• CH290913A - Reproduction process. : en fr
  • CH291043A - A method of preparing a material for the treatment of wounds. : en fr
  • US2639599A - Closed system dry cleaning apparatus utilizing volatile solvent : en
  • US2639712A - Obstetrical forceps : en
  • AU1014152A - Variable speed transmission device : en
  • US2639473A - Hinged door chicken coop : en
  • CA493209A - Magnetic tape controlled punch : en fr
  • CH290972A - Device on a driving shaft for clamping a tool located in an axial bore of this shaft. : de en
  • CH290977A - Connection piece for piping. : en fr
  • AU164400B2 - Improvements in or relating to garment and like presses : en
  • US2639643A - Attachment for lathes : en
  • US2640029A - Process for preventing corrosion : en
  • DE1656459U - WINDING AND HAND SETTING DEVICE FOR BUILT-IN CLOCKS. : de en
  • DE877511C - Seed dressings : de en
  • US2639917A - Pile elevator : en
  • USD169666S - Place mat or similar article : en
  • USD169680S - Necklace or the like : en
  • DE1656445U - ENTERTAINMENT GAME. : de en
  • US2639528A - Display device : en
  • DE1656393U - CONTACT DEVICE FOR ELECTRIC IRON. : de en
  • DE1656407U - SMOKE VENT COVER. : de en
  • DE877428C - Method and device for producing a roof tile : de en
  • US2639508A - Sheet marking and measuring apparatus : en
  • US2639580A - Valveless pulse jet engine : en
  • US2640118A - Coaxial cable connector : en
  • AU1712753A - Improvements in or relating to plastic compositions : en
  • CA493241A - Device for carrying off lubricant : en fr
  • DE1656421U - VIBRATIONS, IN PARTICULAR RUETTLER. : de en
  • DE752280C - Process for the preparation of the purest silicon : de en
  • FR1028736A - Improvement in the attachment devices of metal bed bases : en fr
  • GB692090A - Improvements in and relating to pirn winding and like machines : en
  • US2639743A - Artificial fishing plug and lure, also means and method for making : en
  • US2639554A - Method of and apparatus for sealing ampoules : en
  • US2639573A - Nut harvesting machine : en
  • US2640051A - Process for the decomposition of : en
  • AU1712653A - Manufacture of trialkoxyalkanes : en
  • DE1656322U - MECHANICAL CLEANING DEVICE. : de en
  • FR1029026A - High Frequency Electron Discharge Tube : en fr
  • GB691935A - Improvements in or relating to connecting means for pipes or tubes : en
  • DE1656392U - WIRE PROTECTIVE PIECE ON FIXING SCREWS FOR SCREW TERMINALS. : de en
  • AT174945B - Device for testing the clamping force of the coupling devices on cable cars : de en
  • US2639603A - Hide and skin working machine employing rotating rolls : en
  • US2639694A - Gear motor or pump : en
  • CH291019A - Mica treatment process. : en fr
  • CA493103A - Process and apparatus for the rapid production of cement-asbestos sheet material : en fr
  • DE1656418U - EQUIPMENT FOR MATERIAL TESTING USING ULTRASOUND. : de en
  • CH290974A - Viscosity vibration damper. : de en
  • FR1028557A - Elastic frame for bicycles, motorcycles and the like : en fr
  • FR1028861A - Process for obtaining a hepatic extract containing the antianemic principles of the liver : en fr
  • CA493111A - Beaver tail cutter bars for portable chain saws : en fr
  • AT175019B - Process for the production of molds for the precision casting process : de en
  • US2639727A - Valve structure : en
  • US2639787A - Brake : en
  • DE757923C - Head for pit punch : de en
  • DE877574C - Fastening device for paring knives for centrifugal machines : de en
  • DE877853C - Reversal for tilting brushes moving back and forth under vibrating screens : de en
  • DE877892C - Production of pure chlorine from solutions of chlorine : de en
  • FR1029091A - Mechanical torque converter : en fr
  • US2639850A - Machine for dating and applying closures to bottles : en
  • DE1656550U - MOTOR SCOOTER. : de en
  • DE877719C - Ejector for especially automatic firearms : de en
  • FR1029058A - Safety brake for vehicles : en fr
  • DE877503C - Optical balance : de en
  • DE877860C - 35mm photographic camera : de en
  • AT174984B - Device for direct voltage transformation : de en
  • CH290826A - Device for hinging a door, in particular for a stove. : en fr
  • DE1656431U - PACKING FOR STRINGS. : de en
  • DE1656488U - WATERPROOF PROTECTIVE COVER FOR SLEEPING BAG, BLANKETS, LINEN, WOOL AND THE LIKE. : de en
  • DE877964C - Electron spectrograph for the analysis of irradiated preparations : de en
  • US2640194A - Plate heat exchanger : en
  • AU1712553A - Heat treatment of liquids : en
  • DE1656437U - WARNING SIGNAL DEVICE FOR MOTOR VEHICLES. : de en
  • DE1656483U - WALLET AND COVER WITH INTERIOR COMPARTMENTS. : de en
  • GB692074A - Improvements in luggage racks : en
  • CA493163A - Couplings for beaded pipes or tubings : en fr
  • AU1013152A - Improvements in apparatus for sawing timber : en
  • CA493073A - Machine for separating adhesively united multi-ply fabrics : en fr
  • CH290897A - Process for making leather waterproof. : de en
  • AU1711153A - Improvements relating to cation-exchange resins and processes : en
  • CA493171A - Insulating material and method of making it : en fr
  • CH291002A - Tubular element on tubular steam generators. : de en
  • GB692009A - Improved bonnet latch for motor vehicles : en
  • DE1656577U - CAR DETERGENT PACK. : de en
  • GB691978A - Improvements in or relating to lamp caps for tubular electric lamps : en
  • AT174978B - Iron core for transformers, choke coils or the like, especially for miniature current transformers : de en
  • CA493081A - Process for recovering bitumen from tar sands : en fr
  • US2639498A - Bearing insert removing and applying tool : en
  • US2639548A - Toy railway auxiliary : en
  • FR1028941A - Textile stabilization process : en fr
  • US2639767A - Curtain : en
  • US2639994A - Process for manufacturing composite board : en
  • US2640019A - Oil-shale eduction apparatus : en
  • DK75896C - Toy firearms with projectile magazine. : da en
  • US2640087A - Manufacture of latex foam sponge : en
  • USD169653S - Necklace or similar article : en
  • US2639943A - Machine for applying material to walls : en
  • US2640073A - Dehydrohalogenation of dihalopropionic acid compounds : en
  • DE753557C - Electrical switch that is designed as a contactor and as an automatic switch : de en
  • DK75871C - File with card-bearing rotors. : da en
  • DE1656243U - PRESSURE WAVE REMOTE IGNITIONER FOR GAS LIGHTS. : de en
  • DE877714C - Tool for regrinding long cylindrical drill holes : de en
  • DK75882C - Wall consisting of plates. : da en
  • AU160240B2 - Improvements in and relating to hydraulic control valves : en
  • US2640173A - Suppression of spurious oscillations : en
  • US2640067A - Grignard reagents of organoalkoxysilanes : en
  • DE1656590U - LETTER. : de en
  • AT174935B - Process for the heat treatment of corrosion-resistant hardenable steel with a high carbon content : de en
  • AT175017B - Means for cold permanent waving of the hair : de en
  • US2639799A - Pikal : en
  • DE1656423U - EARRING. : de en
  • DE877513C - Elastic coupling, preferably one that can be engaged and disengaged, with elongated, radially arranged elastic loops : de en
  • DE1656230U - DECORATION EQUIPMENT. : de en
  • DE1656466U - DEVICE FOR CLEANING PERMANENT REPRODUCTION TEMPLATES. : de en
  • DE877618C - Electric switch for sending characters with high telegraph speed : de en
  • DK75872C - Receiver for signals marked by different electrical signal criteria. : da en
  • GB692088A - A process for making hydraulic binding material and refractory bricks : en
  • FR1028954A - Process of mixing a gas with a viscous, plastic or fluid substance : en fr
  • GB692134A - Improvements in or relating to window regulators : en
  • CH290874A - Mason jar lid. : de en
  • USD169712S - Handkerchief or the like : en
  • US2640028A - Intercrystallized lithium hypochlorite-sodium sulfate composition : en
  • DE877451C - Process for the separation of dinitriles used as solvents from the substances dissolved in them : de en
  • DE1656409U - LOCKING DEVICE FOR INTERCHANGEABLE HOOK BLADES ON SPREADING DEVICES, INTERCHANGEABLE ATTACHMENTS FOR HANDLES AND INTERCHANGEABLE PLIERS OR SCISSORS-LIKE INSTRUMENTS. : de en
  • CA493186A - Electron gun and mounting therefor : en fr
  • US2640005A - Succinhydrazides : en
  • CA493121A - Fatty amide polymers : en fr
  • CH291078A - Device for the preparation of detergent foam, particularly for washing shiny surfaces, such as vehicle bodies, glass and the like. : en it
  • AT174922B - Tubular steam generator : de en
  • US2639873A - Wire package : en
  • DE1656286U - BOTTLE SPOOL. : de en
  • DE1656306U - IRONING BOARD. : de en
  • DE1656533U - QUICK CHANGE HOLDER FOR TOOLS DRIVEN BY A MACHINE TOOL. : de en
  • DE877905C - Device for automatic depositing of the printed sheets in platen printing presses : de en
  • AU1700453A - Improvements in and relating to regenerative repeaters for use. in telegraph systems : en
  • DE1656329U - DRYING RACK FOR AGRICULTURAL PRODUCTS. : de en
  • DE1656347U - DRIVE OF THE AIR COMPRESSOR FOR THE COMPRESSED AIR BRAKES OF MOTOR VEHICLES. : de en
  • DE877448C - Process for the treatment of chlorination gases from oxidic ores : de en
  • FR1029042A - Preparation of heavy metal naphthenates : en fr
  • DE1656362U - MOUNTING RAIL ARRANGEMENT, ESPECIALLY FOR BUTCHERIES. : de en
  • DE877462C - Loading device for ore treatment furnaces : de en
  • FR1028625A - Method of establishing wooden formwork that does not adhere to cement and concrete : en fr
  • DE764606C - Switching arrangement for interruption devices : de en
  • DE877743C - Combined filter and printing press : de en
  • GB692141A - Improvements in or relating to jig washers : en
  • US2639704A - Miniature knockdown stove : en
  • US2639922A - Simplified pack of cards for playing canasta or the like : en
  • DE1656588U - DEVICE FOR HOLDING THE U-LINE WHILE IRONING. : de en
  • DE877695C - Device for the constant separation of specifically heavy impurities from fiber suspension : de en
  • US2639776A - Aircraft rotor with tilting hub and damper control of blade swinging : en
  • CA493090A - Hoists, cranes or the like : en fr
  • DE1656225U - CIGARETTE TIP. : de en
  • DE877950C - Adjustable vulcanizing press for repairing rubber shoes or similar objects : de en
  • GB691952A - Improvement in cross talk eliminating apparatus in a time division multiplex system : en
  • US2640187A - Seismic surveying : en
  • GB692150A - Improvements in or relating to stabilising natural rubber latex : en
  • DE1656254U - CRUCIFIX. : de en
  • DE758449C - Process for the manufacture of refractory products cast from the melt flow : de en
  • FR1028686A - cigarette case : en fr
  • FR1029094A - Improvements to indoor boilers : en fr
  • DE877434C - Extraction machine : de en
  • GB691917A - Playing surfaces for games : en
  • GB692135A - Improvements in or relating to underframes for motor vehicles : en
  • AU1706553A - Selector-switch for -use in-an automatic 'telecommunicition exchange system : en
  • DE1656548U - ARRANGEMENT OF AN ELECTRIC WIPER MOTOR IN MOTOR VEHICLES. : de en
  • DE877749C - Electrolytic water decomposer, especially intended for overpressure operation : de en
  • DE1656231U - MOUNTING THE FRAME ON PRICE AND POSTER STANDS FOR SALES SHOPS. : de en
  • DE877803C - Downlights : de en
  • DE877830C - Process for the production of fuel and oil-proof masses : de en
  • DE767704C - Blower for generating propulsion, especially for aircraft : de en
  • DE877515C - Pipe string, especially for fire extinguishing : de en
  • US2639582A - Mount for reaction motors : en
  • US2640031A - Hydrolysis resistant heat transfer composition : en
  • US2640036A - Process for making latex sponge rubber : en
  • CH290990A - Magnetic steering wheel. : en fr
  • DE1656592U - FLAME PIPE BOILER. : de en
  • GB692153A - Improved printing plate for addressing and like printing machines : en
  • GB692178A - Backlash eliminator for fishing reels : en
  • CA493274A - Method and apparatus for preventing offset in printing : en fr
  • DE1656416U - SUMMER HOOD WITH GOGGLES FOR MOTORCYCLE DRIVERS. : de en
  • DE877944C - Process for gluing laminated and compressed wood : de en
  • US2639827A - Pan dumping device : en
  • US2639860A - Partial product machine : en
  • FR1029144A - Folding machine for cylindrical paper packaging : en fr
  • DE877952C - Process for the production of adhesive shells from organic plastics : de en
  • FR1028976A - Transmission mechanism for vehicles : en fr
  • GB692037A - Improvements in chucks for machine tools : en
  • AT174924B - Pipe heating surface for steam boiler or the like. : de en
  • AU163286B2 - Improvements in plant forthe removal of ash and dust : en
  • CH291000A - Jet outlet device of a hot gas jet engine. : de en
  • CH291055A - At least semi-automatic telex exchange system. : de en
  • US2639928A - Sealing device : en
  • USD169665S - Food warmer or similar article : en
  • US2639615A - Barometric measurement of elevation : en
  • USD169713S - Handkerchief or the like : en
  • USRE23661E - Socket wrench extension : en
  • DE1656295U - KEEP FRESH CLEAR PACK FOR SWEET GOODS. : de en
  • DE1656546U - MOTOR VEHICLE SIGHTING DEVICE. : de en
  • FR1028933A - automatic spreader for pasta : en fr
  • AU1710453A - Improvements, in or relating to molded pulp carton : en
  • DE877430C - Process for the production of metal-ceramic connections : de en
  • US2639488A - Process for producing a textile fabric : en
  • CH291067A - Illuminated exhibition device. : en fr
  • US2639693A - Hydraulic control valve and system : en
  • US2640022A - Composition, bath, and process for chromium plating : en
  • DE1656394U - CONNECTING CABLE FOR ACCUMULATORS. : de en
  • DE877674C - Price indicator for fully automatic scales : de en
  • IE20594L - Discharge tube cathodes : en
  • FR1028525A - Improvements to pumps : en fr
  • DE741620C - Device for preventing the propagation of ignition or explosion waves : de en
  • DE877790C - Adjustable frame made of profile bars for electrical high-voltage cells : de en
  • DE877845C - Gear, especially high-speed worm or gear gear : de en
  • DE877887C - Balancing device for rotating bodies of operationally changing imbalance, especially for the drums of washing or cleaning machines and spin dryers : de en
  • FR1029005A - Improvements relating to new compounds and their preparation processes : en fr
  • DE1656383U - APRON RING. : de en
  • DE877585C - Schraemmaschine : de en
  • DE877553C - Fire extinguishing device for large containers containing flammable liquids : de en
  • DE877571C - Shaped charge projectile : de en
  • DE877891C - Process for the preparation of colloidal solutions : de en
  • GB691991A - Improvements in spooling machine : en
  • GB692148A - Mechanism for converting reciprocating movement of pistons into rotary motion of a shaft and vice versa : en
  • DE877835C - Method and device for the graphical registration of changes in the state of liquids : de en
  • DE877832C - Device for the construction of parallel or central perspective representations from a given floor plan : de en
  • DE877893C - Process for the continuous production of hydrogen peroxide : de en
  • FR1028517A - Improvements to ultra-shortwave receiving stations : en fr
  • DE877881C - Method and device for producing collars : de en
  • US2639486A - Adjustable thread advancing roll : en
  • US2639491A - Transfer machine : en
  • DE877992C - Spring hub, especially for motor vehicles : de en
  • US2639757A - Apparatus for forming metal articles : en
  • DE752487C - Two-stage forming process for metal coatings on electrolytic capacitors : de en
  • US2639778A - Electrically controlled dashpot for carburetor throttles : en
  • GB692038A - Improvements in or relating to demarkation strips or the like : en
  • FR1028648A - Polystyrene coloring process and resulting products : en fr
  • GB691977A - Improvements in or relating to holders for tubular electric lamps : en
  • DE877932C - Electric drive for rocker tables of rolling mills : de en
  • FR1029077A - Manufacturing process of injection syringes and syringes obtained : en fr
  • FR1029082A - Mechanical milking process and equipment allowing the implementation : en fr
  • FR1029149A - Mortiser-tenoner : en fr
  • CH290900A - Process for the fine and even distribution of fillers in rubber. : de en
  • US2639436A - Collar holder : en
  • GB692091A - Improvements in or relating to apparatus for charging material into mixing or other machines : en
  • FR1028591A - Device for filtering the light emitted by fluorescent lighting tubes : en fr
  • US2639886A - Shrouded wheel : en
  • USD169674S - Display unit : en
  • DE1656434U - ROTATING PUMP. : de en
  • GB692155A - Improvements relating to welding generators : en
  • FR1028710A - Device for cutting ice cream sticks obtained in tubular freezers : en fr
  • GB692140A - Improved means for launching guided missiles : en
  • DE1656218U - ANCIENT TREE. : de en
  • FR1029044A - Cigarette lighter : en fr
  • FR1028798A - Improvements to spongy elastomeric compositions and processes for manufacturing spongy rubber articles : en fr
  • US2639733A - Leno-weave loom : en
  • US2639553A - Process of treating and harvesting of forage crops and the like : en
  • US2639655A - Hot-air register : en
  • US2640160A - Exposure monitor for horizontal cassette changer : en
  • DE1656599U - ROTATING GRATE GAS GENERATOR. : de en
  • DE1656507U - BUCKET SCALE. : de en
  • DE877911C - Single-axis towing device for shunting movements of railroad cars : de en
  • FR1028678A - Chair lift : en fr
  • DE1656489U - HERDRING, IN PARTICULAR MADE OF TEMPERED CASTING : de en
  • FR1028743A - Vacuum contactor : en fr
  • GB691930A - Improvements in spool winding machines : en
  • DE877488C - Process for the production of double-shell walls from building boards and building board, in particular lightweight building board, for this purpose : de en
  • DE877578C - Device for flushing the weir pit : de en
  • DE1656467U - ROLLER PROTECTION PAPER FOR TYPEWRITER. : de en
  • DE1656579U - CUCKOO CLOCK WITH ROTARY ORGAN PLAYER. : de en
  • US2639859A - Transitory memory circuits : en
  • DE1656426U - CASSETTE WITH PRESENTATION DEVICE. : de en
  • CH291098A - Process for the preparation of methyl-phenyl-polysiloxane. : en fr
  • DE1656315U - TERMINAL BOARD FOR SMALL ELECTRIC DEVICES, IN PARTICULAR TOY TRANSFORMERS. : de en
  • AU1702553A - Radiofrequency coupling device : en
  • AU1707153A - Improvements in clack valves : en
  • GB692142A - Improvements in or relating to the manufacture of expanded thermoplastics : en
  • AU161135B2 - Improvements in radar systems : en
  • DE1656345U - HOLDING DEVICE FOR COPY PAPER LOADED IN CONTACT COPYING MACHINE. : de en
  • FR1028928A - Coagulated hydrophilic colloid products and their manufacture : en fr
  • FR1029146A - Improvements to devices for extracting dust from gases : en fr
  • GB692016A - Aqueous solutions for use in redox catalyst systems : en
  • DE883084C - Aircraft cooler located in a box in front of the wing nose : de en
  • DE877466C - Stranded high voltage conductor : de en
  • DE877869C - Shoe with built-in springy footrest : de en
  • FR1029122A - Light switch : en fr
  • DE877567C - Device on rotary plan grinders : de en
  • FR1029093A - New water skis powered by user action alone : en fr
  • DE877961C - Procedure for determining the filling height of liquid containers : de en
  • FR1028582A - Ultra-fast clamping device for various parts to be worked, for series work : en fr
  • FR1028911A - Device for determining low inclinations or horizontality : en fr
  • FR1028907A - Device for transmitting optical signals in bursts : en fr
  • DE877652C - Traveling grate converted to zone-controlled underwind control : de en
  • FR1028697A - Distributor of wire-holder tubes for ring spinning machines, twisting looms and similar machines : en fr
  • GB692052A - Improvements relating to therapeutic sulphonamide and like compounds : en
  • US2639913A - Crash decelerator : en
  • AT174982B - Electric incandescent lamp with a glass envelope in which at least a part consists of pressed glass : de en
  • DE1656539U - EXHIBITION AND DEMONSTRATION COLUMN FOR PIPES, FUEL HOLDER AND SIMILAR OBJECTS. : de en
  • DE753280C - Detergent for leather, especially for clothing leather : de en
  • DE877766C - Process for the preparation of heterocyclic compounds : de en
  • US2640103A - Synchronizing signal separator : en
  • US2640162A - Electronic transmission system : en
  • US2639697A - Air-cooled internal-combustion engine with exhaust jet : en
  • US2639832A - Holding seal for crankcase gaskets : en
  • AU163709B2 - Improvements in or relating to electromagnetic switches adapted to trip on overload : en
  • US2640114A - Shockproof conductor for electrified material handling apparatus : en
  • FR1028550A - Hand lacquering and varnishing process for all wooden objects : en fr
  • FR1028781A - Adjustable smoke-eating round : en fr
  • FR1028782A - Process for the preparation of cellulose xanthogenate : en fr
  • FR1028807A - Swivel container device for the transfer of bulk materials : en fr
  • FR1028987A - Method and device for treating hydrocarbon oils : en fr
  • CA493100A - Playing ball and method of making the same : en fr
  • CH290817A - Process for facilitating the sintering of sinterable materials, especially cement, during firing. : de en
  • CA493109A - Rectal dilator : en fr
  • CH291079A - Single-track sled with two runners, the front of which is steerable. : de en
  • DE877505C - Brake dynamometer : de en
  • DE877522C - Constantly changeable throttle body : de en
  • DE877565C - Control for controllable pitch propeller : de en
  • AU158823B2 - Process of manufacturing acrylonitrile by dehydration of ethylene cyanohydrin : en
  • US2639784A - Leveling device for tin plate feeder platforms : en
  • US2639824A - Battery separator dispensing mechanism : en
  • AU1700353A - Electrical apparatus for controlling fluid pressure power mechanisms : en
  • CH291101A - Equipment for recording signs. : en fr
  • FR1028650A - Lantern ring seal : en fr
  • AU158343B2 - Improvements relating to parachutes : en
  • CA493210A - Facsimile device : en fr
  • US2639814A - Apparel rack : en
  • CH290932A - Electric thermostat. : en fr
  • CA493125A - Method of, and implement attachment for, cultivating plants : en fr
  • CH291104A - Electric heating device for baths of molten material. : en it
  • DE1656369U - FIXING DEVICE FOR TRAFFIC SIGNS, SIGNS OD. DGL. : de en
  • DE1656411U - SWAB. : de en
  • CH291005A - Liquid cooler. : de en
  • US2639663A - Keyboard construction for check writers, etc. : en
  • FR1028643A - Straps for carrying parcels : en fr
  • FR1029000A - Star knife machine for dividing and kneading bread dough : en fr
  • DE877454C - Process for the production of ª ‡, ª ‰ -unsaturated carboxylic acid nitriles : de en
  • AT174954B - Circuit arrangement for the transmission of counter current surges via the speech wires of a connecting line. : de en
  • CA493277A - Rapid ripening of cellulose esters : en fr
  • AU167851A - Improvements in or relating to heat transfer media : en
  • FR1028637A - Improvements in the construction of magnetic cores : en fr
  • FR1029054A - Process for the production of higher fatty acid amides : en fr
  • FR1028774A - Visual indicator of the format of photographic reels : en fr
  • FR1028949A - Device for transmitting and varying reciprocating or oscillating movements : en fr
  • FR1029043A - New applications of high molecular weight mono or polyalcohols in paint : en fr
  • DE1656340U - DEVICE FOR ILLUSTRATIVE REPRESENTATION OF SCALE LADDERS, CHORDES AND THE LIKE. : de en
  • CH290867A - Protective cap for ski boots. : de en
  • FR1028821A - Improvements made to pressure exchangers : en fr
  • FR1028646A - Manufacturing process of heavy metal carbides : en fr
  • GB692042A - Improvements in or relating to table and like knives : en
  • DE1656371U - ARMONIC GAME WITH FIGURES IN MILITARY SYMBOLS. : de en
  • DE1656563U - MOLDED SOLE WITH PROFILE FRAME. : de en
  • US2639840A - Liquid weighing and dispensing vessel : en
  • FR1028559A - precipitation electrode for electrostatic precipitators : en fr
  • CA493159A - Dismountable tractor mower : en fr
  • FR1029006A - Improved hunting shot, its manufacturing process and apparatus for carrying out this process : en fr
  • FR1028696A - Music night vase : en fr
  • GB692124A - Improvements in or relating to machines for grading objects by weight : en
  • GB692174A - Improvements in or relating to brushes and more particularly to street sweeping brushes : en
  • US2639552A - Plant and flower holder : en
  • AT174969B - Re-soldering protection : de en
  • CH290888A - Process for the preparation of an addition product of bisnor-5,7,9-cholatrien-22-al-3-one. : de en
  • US2639622A - Driving belt : en
  • US2640184A - Fusible extension cord plug : en
  • DE1656308U - FREEZER. : de en
  • US2640068A - Method of preparing an isocyanate : en
  • FR1028968A - Improvements to purely digital electronic calculating machines : en fr
  • US2639667A - Curved platen printing press : en
  • USD169686S - Card reader : en
  • USD169714S - Jeweled lipstick case : en
  • DE1656290U - WHIRLING PLAYER DISK. : de en
  • FR1029084A - Pear-extinguisher : en fr
  • DE1656438U - HAND-BACK MIRROR FOR CYCLISTS AND MOTORCYCLISTS. : de en
  • DE1656468U - DEVICE FOR ATTACHING METAL TENSIONING STRAPS TO WOODEN BODIES THAT DANGERED BY LONGITUDES, IN PARTICULAR RAILWAY SLEEPERS. : de en
  • DK75889C - Incinerator. : da en
  • FR1028940A - New process and packaging for the packaging of liquid and pasty products : en fr
  • GB691942A - Improvements in or relating to pipe bends : en
  • GB692055A - Improved manufacture of natural cheese with an edible rind : en
  • DE1656569U - BELT OR BELT TENSIONER. : de en
  • DE877418C - Device for filling or transferring moisture-sensitive substances, especially liquids : de en
  • DE877703C - Anti-icing device for aircraft : de en
  • BE519698A - : en
  • CA493194A - Molding machine : en fr
  • CH290813A - Ceiling radiation device. : de en
  • CH291114A - Process for the preparation of a new quaternary ammonium compound. : de en
  • GB692175A - Lathe centre : en
  • GR14453B - METHOD OF DETERMINATION OF SPECIFIC LIQUID WEIGHT. : el en
  • DE754644C - Control circuit for the uniform adjustment of stepping mechanisms running in parallel : de en
  • US2640052A - Alkali-lignin tanning agents and method of preparation : en
  • CH290857A - Raschel machine for the production of elastic, form-knitted articles using elastic weft threads. : de en
  • US2639766A - Closure structure : en
  • AU154691B2 - Improved means for sorting and counting coins : en
  • CH290883A - Process for preparing hydrogen peroxide by hydrogenation and oxidation of alkylated anthraquinones. : en fr
  • US2639534A - Decoy : en
  • FR1028770A - Process for the preparation of uronic acid derivatives : en fr
  • DE1656215U - RECORD CASE. : de en
  • DE752533C - Process for the preparation of a leuco-sulfuric acid ester of the isodibenzanthrone series : de en
  • FR1028563A - Improvement in paints, varnishes, coatings, primers and prints based on polymerizable compounds : en fr
  • DE1656410U - ARMPROTHESIS. : de en
  • FR1028784A - Frequency selection relay : en fr
  • FR1028815A - Improvements made to thermosetting plastics : en fr
  • FR1028822A - Device comprising a closed chamber containing a fluid subjected to pressure variations : en fr
  • DE1656257U - STEEL TUBE SWIVEL CHAIR WITH BALL BEARINGS. : de en
  • DE877975C - Threshing machine with a straw press : de en
  • DE1656294U - LOCKING AND CARRYING DEVICE FOR LIGHTER CONTAINERS, IN PARTICULAR FOR CARTON BOXES. : de en
  • FR1028734A - Drum brake hub for bicycles, mopeds, motorcycles and other vehicles : en fr
  • FR1028893A - Clutch : en fr
  • US2639571A - Spreading attachment for lawn mowers : en
  • US2640177A - Starting circuit for electric motors : en
  • US2640186A - Seismic surveying : en
  • DE1656261U - HORDE FOR FOOD AND TOUCHES. : de en
  • DE1656500U - PARTICULAR KNOB DRILL. : de en
  • FR1028543A - Stacks for heat recovery systems : en fr
  • FR1029089A - Process for obtaining special light effects : en fr
  • FR1028855A - Composition intended to replace albumin or egg white : en fr
  • GB691960A - Improvements in tippers for loading conveyors and the like : en
  • FR1028623A - Pressure regulator, in particular for domestic heating appliances : en fr
  • US2639960A - Cigarette dispenser : en
  • FR1028536A - Process for decorating cast iron or oven-enamelled sheet metal parts with vitrifiable enamels : en fr
  • US2639445A - Hopper-feed apparatus for metal thread screw blanks and the like : en
  • US2639539A - Trap : en
  • DE1656251U - VESSEL WITH STANDING CAPACITY AVERAGEED BY THE COUNTERWEIGHT. : de en
  • DE877477C - Reflector for light sources with preferably actinic light emission of the UV spectrum : de en
  • DE877859C - Mirror reflex device for photographic cameras : de en
  • FR1028849A - Device for adjusting machine tool tables : en fr
  • GB692018A - Improvements in thermally-actuated electrical switching arrangements : en
  • USD169667S - Place mat or similar article : en
  • DE877792C - Circuit breaker for multi-phase power consumers with extended protective properties : de en
  • DE877722C - Device for removing the thread residue left on a pay-off bobbin when changing the bobbin : de en
  • FR1028510A - Games and tones control device for organs and other keyboard musical synthesis devices : en fr
  • FR1029129A - Cinematographic film store for continuous projection : en fr
  • FR1029134A - Device allowing the use of vacuum for fixing denture plates : en fr
  • GB691958A - Single spindle automatic lathe : en
  • FR1028749A - Binocular vision optical device : en fr
  • DE1656246U - DEVICE FOR AUTOMATIC LUBRICATION OF AIR COMPRESSORS OF HEAVY OIL BURNERS. : de en
  • DE1656395U - DEVICE PLUG. : de en
  • FR1028741A - Packaging box, airtight and waterproof : en fr
  • GR14449B - ROTARY WASHING MACHINE. : el en
  • DE1656250U - COMPRESSED AIR VACUUM CLEANER. : de en
  • GB692085A - Improvements in and relating to plug cocks : en
  • GB691973A - Improvements relating to the control of the internal combustion engine of a motor vehicle : en
  • AU1698053A - Resilient mounting structure : en
  • FR1028865A - Further development of valves for controlling fluid flow : en fr
  • CA493208A - Organic compound : en fr
  • CA493139A - Photographic emulsions : en fr
  • DE877599C - Process for the catalytic production of higher alcohols : de en
  • FR1028764A - Process for improving the efficiency of heat accumulators : en fr
  • FR1028834A - Pneumatic system ensuring the opening of a parachute and buoyancy in case of landing : en fr
  • FR1028965A - Laundry dryer rack : en fr
  • FR1029095A - Brightening product : en fr
  • FR1028592A - Electric light meter : en fr
  • FR1029111A - New quaternary ammonium salts and method of preparation : en fr
  • FR1028808A - Hook-tensioner assembly flange : en fr
  • FR1028971A - Process for the continuous casting of ingots, bars or the like, of steel or iron : en fr
  • FR1029032A - Process for neutralizing crude sulfonates : en fr
  • US2639669A - Sheathed fuse : en
  • US2640020A - Formation of a surface easily wettable by mercury : en
  • US2639995A - Process and apparatus for preparing a printing plate : en
  • DE877584C - Sock holder : de en
  • FR1028561A - Device for transforming time-modulated pulsations into amplitude-modulated pulses : en fr
  • US2639439A - Bedpan : en
  • US2639899A - Automobile radiator : en
  • DK75884C - Electrodynamic pick-up. : da en
  • FR1028883A - Reading device for photoelectric microscope : en fr
  • DE877624C - Circuit arrangement for line selectors with hunt groups : de en
  • DE877833C - Device on plate-changing speaking machines : de en
  • FR1028981A - Improvements relating to an apparatus and a method for treating a liquid : en fr
  • GB691937A - Improvements in or relating to the machining of turbine or axial compressor blades : en
  • FR1029076A - Cuvette for the manufacture of synthetic resin dental prosthesis parts : en fr
  • DE1656376U - RADIO-TYPE GIFT WRAP. : de en
  • DE1656427U - INSULATED BOX, SUCH AS BEE HOUSE AND THE LIKE. : de en
  • DK75886C - Apparatus for measuring or regulating the viscosity of a liquid. : da en
  • GB692072A - Method of regulating gas turbine plants : en
  • FR1029138A - Gear selector device with pedal control : en fr
  • GB691941A - Improvements in or relating to braking apparatus for use with pit head winding mechanisms and the like : en
  • US2640056A - Pyrazoline sulphonic acids : en
  • US2640191A - Combined radio direction and distance finding system : en
  • US2639558A - Buffing machine for drawing rolls : en
  • US2640059A - Method of preparing hydroxyalkylthio anthraquinones : en
  • DE1656311U - DEVICE FOR FASTENING OVERHEAD REFRIGERATOR LOCKS. : de en
  • DE1656582U - THREADLESS INSULATION SUSPENSION FOR ELECTRIC LAMPS, CROWNS AND LIGHT ARMS WITH LOCKABLE PENDULUM TUBE RETAINING SPRING. : de en
  • DE877495C - Frame construction made of concrete, steel or reinforced concrete with wall or ceiling panes inserted into the compartments : de en
  • FR1028750A - Improvement in the means of fixing winding supports : en fr
  • FR1029001A - Ring or bearing for grinding wheels : en fr
  • FR1029148A - Tin can : en fr
  • DE1656266U - POCKET DINNER CARRIER. : de en
  • DE877422C - Machine for tumbling mass-produced parts : de en
  • DE877467C - Flexible cable connection for underwater cables : de en
  • DE877663C - Building block with attachments or depressions for securing the position in the masonry : de en
  • CH291046A - Process for obtaining vitamin B12. : de en
  • DE757165C - Step control device for transformers, chokes, capacitors or for ohmic resistors : de en
  • FR1028829A - Drive belt : en fr
  • FR1028936A - Heating process : en fr
  • DE877995C - Securing bicycles or the like and an air pump u. Like. Against theft : de en
  • DE877473C - Differential protection for additional transformer with primary loop-through winding open at both ends and electrically separated secondary chained winding, including associated regulating transformer : de en
  • FR1028595A - Flashlight ignition device : en fr
  • FR1028654A - Process for the preparation of vanillin from sulphited waste water : en fr
  • FR1028963A - Distribution drawer for impact tools : en fr
  • DE877829C - Plasticizer for vinyl polymers : de en
  • FR1029002A - Improvements to air filtration devices and vacuum cleaning devices : en fr
  • US2639489A - Apparatus for making buckles : en
  • DE1656510U - CONNECTOR READER BOX. : de en
  • DE877729C - Process for the execution of large concreting works using cable cranes or systems similar to cable cranes : de en
  • DE877814C - Loading device for acetylene generator : de en
  • DE877974C - Push rod lock, especially for the knife drive of mowing machines : de en
  • GB692161A - Improvements in or relating to controls for change speed gears : en
  • DE1656476U - 'Lighting device on sticks, umbrellas or the like : de en
  • DE752377C - Electrical conductor insulated with asbestos : de en
  • DE1656382U - SOCKS WITH PLUSH INSERT. : de en
  • DE877470C - Cam switches : de en
  • GB691969A - Improvements in and relating to record supporting means for sound reproducing apparatus and also to disc sound records : en
  • DE1656263U - DEVICE FOR LOCKING THE WHEEL ON THE STEERING CASTORS. : de en
  • DE1656561U - INSOLE FOR FOOTWEAR. : de en
  • DE877831C - Circle : de en
  • FR1028636A - Density indicator-recorder : en fr
  • FR1028854A - Device for turning flexible tubes : en fr
  • US2639641A - Glare eliminating device for rearview mirrors of motor vehicles : en
  • US2639898A - Apparatus and method for mixing food products : en
  • FR1029085A - Improvements to self-sealing walls for pneumatic tires and the like : en fr
  • DE1656226U - OVAL LIGHT ALLOY PISTON FOR COMBUSTION MACHINERY. : de en
  • DE1656402U - GEARBOX FOR ROTARY CAPACITORS. : de en
  • DE877541C - Image viewfinders, in particular for photographic and cinematographic handsets : de en
  • DE1656439U - DEVICE FOR LIGHTING CONTROL PANELS, IN PARTICULAR THE CONTROL PANELS OF SHIPS. : de en
  • AU164330B2 - Electrical apparatus for controlling fluid pressure power mechanisms : en
  • US2639681A - Coal conditioning and conveying means : en
  • US2640078A - Preparation of amides : en
  • CH290846A - Pair of pressure rollers for drafting systems of spinning machines. : de en
  • DE1656204U - CLOSET SEAT. : de en
  • DE877912C - Warning signal and advance warning sign for unguarded railway crossings : de en
  • DE877927C - Temperature compensation for bimetal control switch : de en
  • FR1028980A - New accessory for brake mounted on cycle hubs : en fr
  • DE877861C - Rectangular concave mirror for cinema projection : de en
  • CA493119A - Meter box and cover : en fr
  • CH290824A - Process and device for the production of glass ballotins. : de en
  • CH290831A - Top mattress. : de en
  • CH290976A - Steel sealing ring. : de en
  • FR1029108A - Anchor intended to penetrate into a concrete or steel wall under the action of an explosive force : en fr
  • FR1029147A - Automatic gear change for motor cars with automatic disengagement from second : en fr
  • GB691922A - Improvements in or relating to miners' flame safety lamps and the like : en
  • DE876013C - Whale recovery device : de en
  • DE758607C - Circuit breaker : de en
  • DE877461C - Two-part steel bottle and method for filling in protective mass : de en
  • FR1029037A - Improvements to electromechanical controls with multiple ward-leonard transmission : en fr
  • US2640100A - Means for testing rotors : en
  • FR1028729A - Process for hermetic sealing of all opening parts of buildings : en fr
  • GB692063A - Improvements in or relating to manufacture of ferric dithiocarbamates : en
  • US2639934A - Wheel lifter : en
  • DE753802C - Process for the production of mass cores, which are composed of individual threads or strands of a mixture of ferromagnetic powder and insulating binder : de en
  • DE877816C - Method and device for cleaning ampoules or other small glass vessels : de en
  • DE877895C - Process for agglomerating powdered sulphide ores for reducing smelting : de en
  • FR1028892A - Device for microwave amplification : en fr
  • FR1028529A - Method for preventing traffic accidents : en fr
  • AU1708153A - Improvements in annular sweep drills and/or hole cutters : en
  • CH291057A - Electronic switchgear. : de en
  • DE759084C - Device for automatic knocking out of molding boxes : de en
  • FR1028702A - Churns without roller, small capacities : en fr
  • FR1028715A - Improvement in bicycle pedals : en fr
  • FR1028593A - Slit shutter for cameras : en fr
  • USD169687S - Dental cabinet : en
  • DE1656525U - PIPE COUPLING. : de en
  • DE877896C - Process for the production of highly dispersed silica and / or clay : de en
  • US2640007A - Production of alkaloids by clitocybe subilludens : en
  • AU158188B2 - Heat treatment of liquids : en
  • AU161902B2 - Feel simulator system for aircraft : en
  • GR14458B - INTERNAL COMBUSTION ENGINE, ESPECIALLY HEAD ENGINE. : el en
  • DE877676C - Method for fading push-pull sound recordings during playback : de en
  • DK75893C - Device for brake pedals, in particular for automobiles. : da en
  • FR1029130A - Moped mudguard : en fr
  • CA493258A - Manufacture of magnesium : en fr
  • DE1656559U - SHARPENER FOR KNIVES, SCISSORS AND OTHER CUTTER GOODS. : de en
  • AT174937B - Loading table for furnaces for the heat treatment of solid, metallic goods : de en
  • CA493220A - Static apparatus for relief photography, enabling snapshotting : en fr
  • CH290822A - Lock for suitcases, folders or the like. : de en
  • CH290923A - Water skiing. : en fr
  • CH291004A - Absorption refrigeration system. : de en
  • US2639530A - Film holder : en
  • US2639616A - Compensated pressure gauge : en
  • US2639763A - Wire spring : en
  • DE1656310U - ADJUSTABLE LOCKING PISTON, IN PARTICULAR FOR REFRIGERATOR LOCKS. : de en
  • DE877755C - Process for the preparation of new fluorescers of the stilbene series : de en
  • FR1028684A - Motor vehicle fender outer edge trim protector : en fr
  • DE877543C - Device for the detachable attachment of a bracket to a camera : de en
  • FR1028922A - Automatic iron rest for irons : en fr
  • FR1028986A - Cyclonic effect mill with vane rotor rotating in a honeycomb stator : en fr
  • GB692033A - Improvements in or relating to apparatus for clearing obstructions in pipes : en
  • FR1028994A - Mold and its manufacturing process : en fr
  • FR1028809A - Device for obtaining mixtures and dispersions : en fr
  • DE756033C - Splash water protection for ventilation openings : de en
  • FR1028721A - Improvement in remote control and telemensure systems : en fr
  • GB692094A - Methods of heat treating germanium material : en
  • DE1656262U - EXTENDABLE CLOTH RACK. : de en
  • US2640071A - Carbonylation of aryl halides : en
  • GR14454B - SPECIFIC BOTTLE CAN BE USED TO BOTTLE TWO DIFFERENT LIQUIDS INSIDE THE SAME BOTTLE. : el en
  • FR1028600A - Improvements made to containers : en fr
  • GB692025A - Improvements in supply mains for liquid supply systems : en
  • DE877720C - Warning, mandatory and prohibition signs : de en
  • DE877946C - Additional device for a double-sided Kroese machine to achieve barrel sumps of the same length : de en
  • FR1028656A - Method and apparatus for purifying drying air in chemical cleaning : en fr
  • US2639537A - Fish lure : en
  • US2639698A - Internal-combustion engine : en
  • US2640053A - Compounded lubricating oil : en
  • FR1028555A - Internal combustion engine with oblique closing wall with respect to the cylinder axis and limiting the cylinder chamber : en fr
  • FR1028610A - Combined bottom bracket and freewheel for motor bicycles or the like : en fr
  • GB691990A - Improvements in and relating to sheet-feeding devices for printing machines : en
  • DE1656367U - DEVICE FOR THE NOISELESS COLLECTION OF THE SERVICE STAFF IN RESTAURANTS OD. DGL. : de en
  • FR1028961A - Sidereal watch with celestial dial and hour dial : en fr
  • CA493110A - Fence and fence post construction : en fr
  • AU153885B2 - Resilient mounting structure : en
  • DE1656232U - WASHING SYSTEM FOR MOTOR VEHICLES. : de en
  • DE877735C - Schraem loader : de en
  • US2639817A - Baggage rack : en
  • GB691914A - Improvements in centring devices for crankshaft turning and grinding in lathes : en
  • US2639638A - Toggle-actuated carriage bolt wrench : en
  • US2639793A - Portable sample case with collapsible display rack : en
  • US2639986A - Method in sulfite pulping for obtaining concentrated waste liquor : en
  • CA493200A - Process for the manufacture of pure folic acid : en fr
  • DE877826C - Scoring saw : de en
  • CA493083A - Fluid pumps : en fr
  • DE877453C - Process for the preparation of alcohols of the diacetylene series : de en
  • DE877778C - Arrangement for the remote control in particular of railway safety devices : de en
  • GB691928A - A new or improved elevator : en
  • DE1656475U - FILLING DEVICE FOR MOLDS. : de en
  • DE877552C - Centrifugal pump housing : de en
  • DE877800C - Coal tail for arc lamps : de en
  • US2639868A - Strip material winding apparatus : en
  • US2639551A - Greenhouse with means for controlling light and heat : en
  • US2639563A - Grinding wheel feeding mechanism : en
  • US2639935A - Garden tool : en
  • CH291049A - Device for generating air foam. : de en
  • CA493130A - Grip for golf clubs and the like : en fr
  • DE756827C - Process for the production of shiny zinc coatings from cyankali baths : de en
  • DE758994C - Arrangement for generating an alternating voltage that changes in its phase position with respect to a fixed reference voltage with the angle of rotation : de en
  • DE877834C - Method for measuring tensile stress distribution in strip rolling mills : de en
  • DE878047C - Process for sealing the pores in workpieces against the effects of strongly aggressive chemicals : de en
  • GB691984A - An improved method and means for making a glass-to-metal seal : en
  • DE877549C - Reduction or extension socket for electric lamps, especially flash lamps : de en
  • US2639444A - Mattress cover : en
  • US2639625A - Motor driven actuator : en
  • US2639797A - Margin stop assembly : en
  • CH290959A - A method of electrically welding contact lugs at the end of electric cables and a machine for implementing the method. : en fr
  • CH290992A - Safety device for an explosion engine. : en fr
  • DE748537C - Process for the preparation of 1,3-diolefins : de en
  • DE877725C - Rolling, cooling and transport screw : de en
  • FR1028916A - Conveyor device : en fr
  • FR1029124A - Electric timer : en fr
  • CH290818A - Plant for the heat treatment of materials. : de en
  • CH291028A - Device for leading an electrical conductor through the wall of a metallic discharge vessel. : de en
  • US2639560A - Contact wheel : en
  • DK75885C - Systems for measuring hot water. : da en
  • AU164007B2 - Actuating mechanism : en
  • CH291012A - Magnetic core for electrical induction apparatus. : de en
  • CH291032A - Electric double grid tube. : de en
  • US2639686A - Indicator : en
  • US2639844A - Garment display device : en
  • AU1711253A - Improvement infrequency-conversion apparatus : en
  • CA493078A - Tractors having v-belt pulley controls : en fr
  • DE1656399U - STARTER TO TURN ELECTRIC DISCHARGE TUBES, IN PARTICULAR FLUORESCENT LAMPS. : de en
  • CA493235A - Electron discharge device : en fr
  • US2640136A - Electrode for underwater cutting : en
  • US2639561A - Egg cleaner : en
  • CH290830A - Chair with a backrest that can be pushed into the lower part. : de en
  • AT174932B - Process for the production of sintered shaped bodies using a powder of carbonyl iron : de en
  • CH291118A - Monocable cable car. : en fr
  • AT174915B - Process for the production of new Benz (cd) indolines : de en
  • AU164380B2 - Method of treating articles of resilient soft vulcanized rubber and articles so treated : en
  • CA493256A - Asymmetrical conductive element : en fr
  • CH290862A - Dryer for laundry. : en fr
  • DE1656455U - CAKE TOP BOX WITH CAKE PLATE AS BOTTOM. : de en
  • FR1029132A - Valve for balloons or the like : en fr
  • US2639529A - Display sign : en
  • AT174971B - Reclosing device : de en
  • AT175044B - Humidifiers for stoves : de en
  • US2640088A - Vulcanization accelerators : en
  • USD169657S - Combined book end and receptacle : en
  • USD169693S - Necklace or the like : en
  • CA493122A - Oil solutions of basic alkaline earth metal sulfonates and method of making same : en fr
  • CH291090A - Installation for the distribution of pressurized fluid brake equipment for railway vehicles and other similar vehicles. : en fr
  • DE1656253U - MIRROR WITH EDGE DECOR. : de en
  • DE1656323U - TESTING DEVICE, IN PARTICULAR FOR CHECKS ON HOBBING MILLS. : de en
  • DE877689C - Pipe processing machine : de en
  • FR1028693A - Process for the manufacture of shoes or similar articles and shoes conforming to those obtained : en fr
  • FR1028762A - Hunting bag : en fr
  • CA493084A - Eyeglass mountings and the like : en fr
  • CA493197A - Carboy container : en fr
  • CH291010A - Induction machine. : de en
  • CH290968A - Spray gun for spraying more or less viscous materials. : de en
  • AT174909B - Process for the production of new dioxopiperidines : de en
  • US2639710A - Colostomy appliance with a removable adapter device : en
  • US2640127A - Electric circuit breaker : en
  • US2639557A - Gear finishing machine : en
  • US2639702A - Priming device : en
  • US2639852A - Safety belt : en
  • FR1028509A - Process for manufacturing thin papers from vegetable cellulosic materials : en fr
  • FR1028931A - Improvements in the manufacture of cellulose acetate yarns : en fr
  • AU158396B2 - Drive pulley assembly : en
  • CH291048A - Process for the preparation of a substituted succinimide. : en fr
  • CA493072A - Processing of nickel-copper matte : en fr
  • CH291045A - Process for the production of a yeast liver preparation. : de en
  • CH291092A - Railway station track system with signal box with electrical locks. : de en
  • DE1656389U - BOOK CASE. : de en
  • FR1029017A - Generation of chlorine dioxide : en fr
  • CH290809A - Removable construction. : en fr
  • AU1697653A - Improvements in or relating to television pickup tubes : en
  • AU158493B2 - Tape dispensing device : en
  • GB692131A - Improvements in or relating to the recovery of aureomycin : en
  • DE1656318U - SOCKETS FOR FOOTBALL PLAYERS. : de en
  • DE877688C - Ring-shaped hold-down device that can be rotated freely around the axis of the upper knife of circular knife scissors : de en
  • US2639736A - Machine tool feed : en
  • US2639982A - Production of fuel gas from carbonaceous solids : en
  • DE877570C - Door lock, especially for motor vehicles : de en
  • DE877821C - Sound and heat insulating ribbed ceiling with filling bodies : de en
  • AT175006B - Process for washing out impurities from raw gases, in particular from raw acetylene : de en
  • DE877627C - Electrolytic feed-through capacitor for interference suppression purposes : de en
  • DE1656456U - BOX PACK FOR CHEESE OD. DGL. : de en
  • DE1656572U - REWINDING DEVICE FOR HIGH-STARTING GLIDING MODELS. : de en
  • DE877653C - Process for absorbing the low-sulfur cleaning compound that occurs in dry cleaning : de en
  • CA493086A - Photographic composing on cylindrical surfaces : en fr
  • CH291027A - Device in which at least two very closely spaced points are in contact with a bearing surface. : en fr
  • US2639729A - Valve selector and actuator for fluid flow manifolds : en
  • US2639892A - Earth-boring machine : en
  • US2640012A - Treatment of cracked hydrocarbon distillates : en
  • CH290925A - Artillery installation carried by a mobile support. : en fr
  • DE762524C - Process for the production of fixing strips for color images after prior chromogenic development : de en
  • DE877459C - Writing tapes, printing blankets, paints etc. for office machines : de en
  • GB691948A - Improvements in devices for deflecting fluid jets : en
  • GR14450B - METHOD OF WELDING PRINTED CIRCUITS. : el en
  • DE877680C - Device for measuring the changing mutual ratio of the respective speeds of several shafts : de en
  • DE877686C - Drive screw and process for the production of drive screws : de en
  • AT174934B - Multi-furnace process for the production of electrical steel : de en
  • CA493207A - Clamping means for flaring tools or the like : en fr
  • CH291113A - Process for the preparation of a new quaternary ammonium compound. : de en
  • DE877535C - Process for the repair welding of aluminum and zinc-containing magnesium alloys by means of an autogenous welding torch : de en
  • DE877884C - All-weather coat : de en
  • DE877478C - Electric cathode glow tube : de en
  • DE878032C - Pit stamp : de en
  • FR1028616A - Process for the protection of direct current electric machines against overcurrents : en fr
  • AU1705953A - Means for handling andor feeding biscuits : en
  • CH290894A - Process for the preparation of a petrifying paint for walls and other surfaces and paint prepared with this procedure. : en it
  • CH290975A - Multi-disc clutch, especially for speed change transmissions. : de en
  • DE877818C - Collapsible chair : de en
  • DE877851C - Process and system for peeling legumes : de en
  • DE877561C - Switches for electrical systems, especially for motor vehicles : de en
  • DE877773C - Device to prevent soil build-up in conveyor wagons : de en
  • DE877858C - Photographic range finder : de en
  • CH291111A - Process for the preparation of a new quaternary ammonium compound. : de en
  • IE21649L - Feeding continuous stationery assemblies : en
  • FR1028677A - Variable gear transmission : en fr
  • FR1028957A - Aircraft wheel brake improvements : en fr
  • IE21240L - Aminotriazine-formaldehyde resin compositions : en
  • US2639856A - Rural mailbox signal : en
  • AT174908B - Process for the preparation of new monohalogenated 1,3-dioxanes : de en
  • AU154640B2 - Improvements in concrete mixing drums : en
  • US2639512A - Drill hole gauge : en
  • US2639742A - Wedge-heel shaping machine : en
  • DE1656432U - MILK ACCOUNT CARD. : de en
  • FR1028747A - Improvements to devices for joining two machine parts and assemblies obtained : en fr
  • US2639592A - Refrigerator having refrigerant cooled liner : en
  • GB692056A - Improvements in power transmission gearing : en
  • GB692070A - Improvements in or relating to a regulating arrangement for controlling the delivery of an auxiliary liquid into a main duct through which a main liquid flows under pressure : en
  • FR1028989A - Winder : en fr
  • CH291116A - Verfahren zur Herstellung einer neuen quaternären Ammoniumverbindung. : de en fr
  • FR1028700A - Improvements in the production of catalysts : en fr
  • FR1028845A - Magnetic sound recording and reproduction method : en fr
  • DE877502C - Inclination scale, in which the weighing results are transmitted to a printing unit and, if necessary, also to a display device : de en
  • DE877785C - Device to prevent the escape of liquid mist from closed accumulators : de en
  • FR1028596A - High voltage short pulse current electrostatic generator : en fr
  • FR1028740A - New application of varnish to prevent corrosion in batteries : en fr
  • DE877672C - Compasses for rectifying circular arcs : de en
  • DE877704C - Propeller gear : de en
  • DK75873C - Electrical circuit with a cathode ray tube. : da en
  • DE1656461U - POCKET CONTAINERS ON GLOVES AND MITTENS. : de en
  • DE877468C - Swing-proof mercury switch tubes for controlled and additional automatic power cut-off : de en
  • FR1028689A - Ski binding : en fr
  • FR1028974A - Shock absorber improvements : en fr
  • CH290961A - Metal cutting machine tool. : de en
  • CA493106A - Windshield wiper with air and water supply : en fr
  • AU165255B2 - Selector-switch for -use in-an automatic 'telecommunicition exchange system : en
  • CA493141A - Method of masking photographic color images : en fr
  • FR1028879A - Surge arresters : en fr
  • DE877542C - Guide to moving mirrors in single-lens reflex cameras : de en
  • FR1028820A - Hydraulic power plant or current generator : en fr
  • GB692171A - Improvements relating to suction cleaners : en
  • US2639713A - Filler block for loose-leaf binders : en
  • FR1028732A - Individual control for milling machine cylinder for headgear : en fr
  • GB692078A - Work-jogging attachments for sewing machines : en
  • DE1656424U - BRACELET FOR JEWELERY AND PURPOSES. : de en
  • DE877904C - Device for gluing a new web to the unwinding paper web of a rotary machine : de en
  • DE878044C - Process for separating emulsions or the like by means of electrical alternating current : de en
  • FR1028767A - Improvements to pneumatic control devices : en fr
  • DE757563C - Safety valve : de en
  • DE877469C - Disconnector or circuit breaker : de en
  • DE877787C - Crossbar distributor with mechanical locking of the contact plug when the crossbars are live : de en
  • FR1028754A - Caliper with locking device acting at least at two points : en fr
  • DE877852C - Sieve : de en
  • US2639455A - Rotary windshield wiper : en
  • USD169656S - Cox nutcracker : en
  • DE1656234U - ROSETTE FOR DOOR HANDLE. : de en
  • DE871942C - Hood to prevent snoring : de en
  • DE877497C - Construction method for residential buildings separated by transverse walls : de en
  • FR1028544A - Improvements to torque limiting wrenches, also called torque wrenches : en fr
  • FR1028955A - Method and apparatus for automatically cutting a continuous glass ribbon : en fr
  • FR1029216A - Method and apparatus for recording and playing back invisible images on a magnetic surface : en fr
  • CH290799A - Coupling device for agricultural implements attached to a tractor. : de en
  • CH291073A - Apparatus for tensioning and closing hoops. : de en
  • USD169671S - homme : en
  • US2639497A - Coupling screw-on machine : en
  • US2639936A - Parachute harness release : en
  • GB691993A - Improvements in or relating to apparatus for assisting starting of internal combustion engines : en
  • DE1656350U - HEADLIGHT FOR SINGLE-AXLE TRACTOR. : de en
  • DE877639C - Counter test stand : de en
  • FR1028979A - Method and apparatus for the introduction of adducts into molten metal, especially for the production of nodular iron : en fr
  • FR1028524A - Plastic hypodermic injection syringe : en fr
  • FR1028912A - Control of a re-superheating turbine : en fr
  • FR1028523A - heat exchanger : en fr
  • FR1028951A - Sophisticated crampon for securing railway tracks to sleepers : en fr
  • FR1028984A - Circulation oven and method of baking bakery articles : en fr
  • US2639948A - Vehicle wheel ornamental trim ring construction : en
  • DE1656499U - HAND CIRCULAR SAW WITH MOTOR DRIVE. : de en
  • FR1028726A - Improvements in manufacturing processes for parts made of composite materials, in particular based on binder and fibers : en fr
  • DE1656526U - PIPE CLAMP. : de en
  • DE1656562U - DEVICE FOR FEEDING A SINGLE-SIDED RUBBER REINFORCEMENT TAPE, PREFERABLY MADE OF COMPOSITE FABRIC. : de en
  • DE752870C - Process for the preparation of aminobenzenesulfonamidothiazoles : de en
  • DE877479C - Electric hand lamp : de en
  • FR1028806A - Process for the manufacture of metal objects formed from layers of different alloys : en fr
  • AT174914B - Process for the preparation of the new 3'-amino-1-methyl-3-oxy-1,2,3,4-tetrahydro-5,6-benzoquinoline-7-carboxylic acid lactam : de en
  • AU1100252A - Improved implement for bruising bracken andother trash : en
  • CH290855A - Electrical equipment on a household sewing machine. : de en
  • CH290864A - Brassiere. : de en
  • US2639637A - Gear actuated predetermined torque release wrench : en
  • US2640158A - Ion controller : en
  • US2640182A - Automatic switching system : en
  • US2640161A - Energizing system for borehole radioactivity apparatus : en
  • DE877940C - Device on continuous casting molds for casting socket pipes : de en
  • US2639833A - Vacuum seal : en
  • US2639568A - Wrapping machine : en
  • US2640042A - Butadiene-vinylpyridene copolymer and carbon black composition : en
  • GB691989A - Photographic non-diffusing color formers : en
  • FR1028819A - Sliding assembly : en fr
  • US2639708A - Man's undergarment : en
  • DE1656277U - FORMWORK SCAFFOLDING FOR THE PRODUCTION OF CEILINGS AND THE LIKE. : de en
  • DE877707C - Gear shift on motor vehicles : de en
  • DE1656442U - TREEN GAS THROWBODY. : de en
  • DE755753C - Device for the temporary separation of two or more gas-filled, highly heated reaction rooms : de en
  • DE877638C - Magnetic tester for permanent magnets : de en
  • DE877445C - Process and device for the adsorption of gases and vapors by powdery adsorbents such as activated carbon or silica gel, with subsequent desorption with circulation of the adsorbent : de en
  • FR1029041A - Clock regulator device without escapement : en fr
  • FR1029100A - Bra : en fr
  • FR1029114A - Steel sealing ring : en fr
  • DE877684C - Core tubes for multi-layer hollow bodies : de en
  • FR1028839A - Filter press : en fr
  • CH290856A - Establishment with carpet embroidery machines. : de en
  • US2640151A - Blocking oscillator system : en
  • DE877708C - Brake valve for trucks : de en
  • US2639562A - Precision locating device : en
  • US2639761A - Combination sofa and table : en
  • FR1028661A - Zinciferous ores smelting process : en fr
  • FR1028575A - Indicator of maneuvers to be carried out on cameras : en fr
  • FR1028814A - Rubber-to-metal composite articles and adhesives and processes for their preparation : en fr
  • GB691985A - Improvements in or relating to an apparatus and method for treating a liquid : en
  • US2639533A - Process for the manufacture of artificial leaves of plants : en
  • DK75879C - Electric radiator for medical use. : da en
  • DE1656268U - SAFETY LID FOR POTS AND THE LIKE FOR THE SAFE POURING OF HOT LIQUIDS. : de en
  • DE1656273U - INSULATION PANEL AGAINST SOUND, VIBRATIONS AND HEAT MADE OF COCONUT FIBER. : de en
  • GB692003A - Improvements in or relating to frequency-stabilizing circuits for frequency-modulated oscillators : en
  • DK75880C - Regenerative heat exchanger with rotating cell disks. : da en
  • FR1028688A - Trays for coasters designed to absorb drops of liquids when pouring : en fr
  • GB692007A - Improvements in or relating to servo-devices for hydraulic pressure svstems : en
  • IS742A7 - Setting clock. : en is
  • US2639875A - Aircraft control element force producer : en
  • DE760719C - Device on gear shaping machines for lifting the cutting tool from the work gear to be machined on the return stroke : de en
  • GB692013A - Improvements in optical objectives : en
  • FR1028522A - Electrical device controlling the automatic shutdown of the weaving looms in the event of a break in the weaving thread : en fr
  • FR1028868A - Advanced tool holder : en fr
  • DE877576C - Device for inserting and riveting parts in the bodies of instruments : de en
  • FR1028516A - Two-way two-way communication systems : en fr
  • US2639678A - Dispenser : en
  • DE877713C - Fuel container, especially for outboard boat engines : de en
  • US2639452A - Shoe polishing device : en
  • US2639773A - Packing means for wells : en
  • US2640149A - Vehicle light controlling lens panel : en
  • US2639683A - Portable sewing machine : en
  • US2639619A - Relief device for power presses : en
  • DE877827C - Press mold for the production of ball or pear-shaped hollow rubber bodies : de en
  • FR1028944A - Powdered material sintering process : en fr
  • USD169658S - Measuring tape housing : en
  • USD169679S - Separable brooch or the like : en
  • GB692040A - Artificial filaments : en
  • GB692165A - Improvements in or relating to substituted diketones of heterocyclic compounds and the production thereof : en
  • DE1656519U - REVERSING HOOK. : de en
  • DE851837C - Toothpick holder with disinfectant tank : de en
  • FR1028704A - Pipe : en fr
  • FR1028780A - Diffuser for luminescent tubes : en fr
  • DE1656288U - SOCIAL GAME. : de en
  • DE1656297U - DRUM CONTAINER TO BE OPENED IN LONGITUDINAL DIRECTION. : de en
  • DE878034C - Method and device for expanding pipes : de en
  • DE878036C - Process for plating metal pipes : de en
  • FR1028714A - Fishing line stabilizer device : en fr
  • US2639953A - Bearing assembly for absorbing vibrations of centrifuge spindles and the like : en
  • DE877812C - Device to facilitate hand knitting : de en
  • FR1028664A - Packaging : en fr
  • FR1028801A - Electric accumulator charging device : en fr
  • FR1028830A - Steering control : en fr
  • DE877744C - Process for the production of coarse and possibly shaped solid acids for catalytic purposes : de en
  • AT174939B - Device for underfilling railway sleepers by blowing in granular bedding material : de en
  • US2639803A - Stable cleaning device : en
  • US2639925A - Baby carriage or the like having individually rockably supported axles : en
  • FR1028795A - Product for soft and hard welding of metals : en fr
  • US2640183A - Multipoint plug and jack : en
  • GB691999A - Dental articulator : en
  • DE1656512U - ORIENTATION BOARD. : de en
  • USD169705S - Handkerchief or the like : en
  • FR1028624A - Automatic scale : en fr
  • DE756573C - Process for the production of paint resins : de en
  • US2639672A - Controlled pressurizing of pumps : en
  • DE1656235U - ROLLER SHUTTER SECURITY. : de en
  • DE1656375U - SHIPPING BOX WITH LID THAT CAN BE LOCKED WITH A TOGGLE CLOSURE. : de en
  • DE877426C - Roulette game machine for color pools : de en
  • DE877625C - Telecommunications, in particular telephone systems : de en
  • DE877885C - Device for the extraction of coal and other minerals : de en
  • FR1029081A - Process for supplying several reactors, in particular for the lift and propulsion of helicopters : en fr
  • AU158539B2 - Control for liquid operated heating or cooling units : en
  • CH290842A - Method for combing textile fibers and combing machine for carrying out the method. : de en
  • CH290929A - Electrical device for measuring the level of a liquid. : en fr
  • CH291102A - Material revealing a coloration under the effect of a simple pressure and intended for the registration of signs. : en fr
  • DE1656313U - TUNING DEVICE FOR RADIO RECEIVER. : de en
  • DE877926C - Thermal bimetal release : de en
  • AT174944B - Double-row roller axle bearing, especially for rail vehicles : de en
  • USD169683S - Kellerman belt : en
  • US2639470A - Automatic stop device for carding machines : en
  • AU157669B2 - Variable speed transmission device : en
  • CH291077A - Transport container. : de en
  • CH291117A - Shelf made up of removable frames. : en fr
  • AT174919B - Process for the production of morpholines : de en
  • AU163404B2 - Apparatus for distributing pesticide : en
  • DE877481C - Method and device for the production of hollow glass bodies : de en
  • DE877696C - Process for the production of highly wet-strength, grease-, oil- and gas-tight papers : de en
  • AU163036B2 - Bladed rotors for axial flow fluid flow machines : en
  • CA493229A - Fluorinated dibasic acids and method of preparing same : en fr
  • GB691971A - A last remover : en
  • FR1028890A - Aircraft landing gear improvements : en fr
  • US2639433A - Garment parts and foldline-forming means therefor : en
  • US2639751A - Cover for vehicles : en
  • CA493185A - Electric incandescent lamp : en fr
  • FR1028620A - Correction device for spring weighing device : en fr
  • FR1028632A - Improvements to processes for applying coatings : en fr
  • FR1028869A - Device provided with a clamp holder for holding and turning heavy forging parts : en fr
  • US2639746A - Fruit peeling and coring machine : en
  • US2640054A - Process of crystallizing dihydrostreptomycin sulfate : en
  • US2639726A - Apparatus for controlling the pressure in liquid containers : en
  • FR1029141A - Advanced latch bolt : en fr
  • GB691965A - Improvements in or relating to process for producing polymers of high molecular weight : en
  • FR1028641A - Improvements to level control devices for coaxial line transmission systems : en fr
  • GB691988A - Improvements in or relating to continuous rod cigarette making machines : en
  • GB692050A - Improvements in or relating to devices for melting and casting materials under air-exclusion : en
  • US2639597A - Lighter : en
  • LU28360A1 - : en
  • DE1656213U - CRANKSHAFT FOR GAS METER. : de en
  • GB692023A - Process for the continuous manufacture of rayon from viscose and rayon manufactured by such process : en
  • FR1028554A - Instrument for measuring the internal pressure of vessels containing gases or liquids : en fr
  • DE877594C - Production of an alkali metal phosphate consisting essentially of hexametaphosphate : de en
  • DE1656433U - ROLLED FILM CAMERA, IN PARTICULAR SMALL IMAGE CAMERA WITH SLOT SHUTTER AND TRANSVERSE FOR FILM TRANSPORT, PREFERABLY VERTICAL CURTAIN. : de en
  • US2639466A - Method of placing a tire in and removing same from a mold : en
  • US2639954A - Sealed bearing : en
  • US2640011A - Desulfurization of heavy petroleum oils : en
  • DE1656444U - LINE TAPE FOR MARKING SPORTS FIELDS, IN PARTICULAR TENNIS FIELDS. : de en
  • DE1656379U - SCREW SOCKET. : de en
  • DE877872C - Spinning machine, in particular roving, fine spinning or twisting machine with vertically moving parts : de en
  • FR1028882A - Improvements to hatches, such as boat hatches and hatch covers : en fr
  • DE877906C - Margin adjustment device on power operated typewriters : de en
  • GB691983A - Improvements in and connected with porous or sintered metal articles : en
  • DE1656496U - LADDER FOR CLIMBING MASTS. : de en
  • DE877691C - Process for the manufacture of turbine blades : de en
  • DE877955C - Process for the preparation of polymerization products : de en
  • DE877629C - Low voltage switchgear : de en
  • DE1656314U - MICROWAVE OSCILLATOR WITH TEMPERATURE COMPENSATION. : de en
  • DE877636C - Arrangement for power control with rigid converters : de en
  • DE877862C - Device for the photographic recording or reproduction of moving processes : de en
  • DE873904C - Improvements in or with regard to display devices of those types which have a rotatable pointer, a rotatable dial or other rotatable display elements : de en
  • GB692028A - Improvements in roller-type drafting apparatus of textile spinning and analogous machinery : en
  • DE1656222U - CIGARETTE HOLDERS IN CIGARETTE CASES. : de en
  • DE877436C - Device for producing rods or wires twisted under tension : de en
  • DE1656223U - DEVICE FOR REMOVING GOODS. : de en
  • AU1839653A - Improvements in the electrode position of copper from an acid bath : en
  • AT174972B - Synchronous switch with magnetic switching bridge : de en
  • DE877587C - Device for the closed advancement of the face fuselage in the mining operation : de en
  • AU157568B2 - Means for handling andor feeding biscuits : en
  • CH291016A - Device on an electrical device, for example on a fuse element, for fastening it to a mounting rail. : de en
  • CA493144A - Dustless photographic fixing powders and method for their preparation : en fr
  • DE1656446U - DANCE FLOOR FOR DOLLS AND FIGURES. : de en
  • AT175038B - Manual winch, especially construction winch : de en
  • AU151704B2 - Centrifugal, basket valve mechanism : en
  • US2639617A - Method for determining insect parts in cereal flour : en
  • CA493188A - Two-way stretch paper in insulated cables : en fr
  • CA493097A - Method for use in the preservation of eggs : en fr
  • CA493170A - Liquid sealed traps : en fr
  • CH290839A - Plant for the continuous production of an extruded article. : en fr
  • AU164448B2 - Improvements in or relating to snap-action electric switches : en
  • CH290985A - Crane cable car. : de en
  • CH291110A - Process for the preparation of a new quaternary ammonium compound. : de en
  • CA493168A - Facsimile apparatus : en fr
  • CH290983A - Escalator for people and loads. : de en
  • US2639474A - Control mechanism for awning type windows : en
  • AU1706753A - Improvements in or relating to snap-action electric switches : en
  • US2639891A - Sheave block with adjustable eye : en
  • US2639895A - Self-propelled drilling machine : en
  • US2639977A - Chemical process : en
  • CH290865A - Apparatus for projecting steam. : en fr
  • CH291096A - Device for the production of cigarettes with a filter mouthpiece. : de en
  • DE1656324U - GLUTTOERER. : de en
  • DE877822C - Door : de en
  • US2639884A - Fluid valve : en
  • AT174964B - Contact corrosion protection paste, in particular for accumulators : de en
  • AT174987B - Vibration contact controller with variable speed proportional motor : de en
  • CA493129A - Twist-on bus support clamp : en fr
  • AT174988B - Circuit for current limitation in direct current drives, e.g. B. Leonard rolling mill drives : de en
  • AU165104B2 - A process forthe production of carboxylic acids : en
  • CH290997A - Fuel supply device for gas turbine systems. : de en
  • CH291062A - Receiving device for wirelessly transmitted audio-frequency signals. : de en
  • CH291094A - Device for controlling light signals in railway systems. : de en
  • AT174962B - Circuit for changing the gradation of television images : de en
  • DE877424C - Tensioning rail : de en
  • DE877897C - Process for the continuous catalytic conversion of hydrocarbons : de en
  • DE877907C - Throttle or shut-off valve for condensate pump lines connected to steam condensers : de en
  • CH290954A - Method for operating an electric oven with at least one self-baking permanent electrode. : de en
  • DE878020C - Liftable and lowerable belt conveyor with belt tension compensation : de en
  • FR1028853A - Method for forming a protective coating on metal, and resulting composite article : en fr
  • GB692144A - Improvements in or relating to coating compositions : en
  • US2639482A - Safety brooch-fastening device : en
  • US2639513A - Means for optically aligning motion-picture projectors : en
  • US2639541A - Missal stand : en
  • AU164893B2 - Manufacture of trialkoxyalkanes : en
  • CH290958A - Electric arc welding device for welding rod-shaped bodies to a base. : de en
  • DE1656356U - STAMPING PLATE FOR LICENSE PLATE ON MOTOR VEHICLES. : de en
  • GB692080A - Improvements in or relating to roller mills : en
  • US2639907A - Carburetor : en
  • AT174956B - Arrangement for the electromagnetic deflection of electron beams : de en
  • DE749971C - Horizontal cutting press with overall cuts for the production of sheet metal for the iron body of electrical machines : de en
  • FR1028560A - Process for the preparation of rubber mixtures : en fr
  • DE877662C - Prefabricated ceiling : de en
  • GB691957A - Improvements in or relating to mechanical calliper gauges : en
  • GB692024A - Film forming compositions : en
  • IE20672L - Soap composition : en
  • US2639717A - Tobacco pipe and cigarette holder : en
  • US2639910A - Combustion apparatus using preheated air : en
  • US2639919A - Coin controlled ball teeing machine : en
  • US2639442A - Bed, especially a camp bed : en
  • DE1656368U - REFLECTORS AS DIRECTION INDICATORS ON THE ARMS OF CYCLISTS AND MOTORCYCLISTS. : de en
  • DE877910C - Steam inlet regulator for circulation heaters for vehicles : de en
  • DE877918C - Circuit arrangement for telephone systems with several exchanges : de en
  • GB692049A - Improvements in or relating to shelving : en
  • DE1656291U - REDUCED REPRODUCTION OF TRAFFIC SIGN SIGNS OD. DGL. : de en
  • DE1656229U - PLATE. : de en
  • DE877593C - Binder for the briquetting of hard coal : de en
  • AT175036B - Cleaning device : de en
  • CA493077A - Insulated shoe constructions : en fr
  • CA493096A - Surgical instrument : en fr
  • CH290814A - Device for adjusting a ventilation opening. : en fr
  • CH291041A - Process for the preparation of A- (2,4,6-triiodo-phenoxy) -phenylacetic acid. : de en
  • DE1656342U - FILM CASSETTE FOR FILMS WITH MULTIPLE RECORDINGS. : de en
  • DE877670C - Process for the production of less temperature-sensitive acrylic resin mixtures : de en
  • US2639660A - Roll apparatus for localized embossing : en
  • US2640070A - Higher alkyl ester production : en
  • US2639723A - Multiway valve : en
  • AT175049B - Method and device for prestressing and anchoring the reinforcement of supporting structures : de en
  • AU1698953A - Method of manufacturing plastic teeth and products obtained thereby : en
  • CH290936A - Feed channel to a weighing device for automatic weighing and filling of pourable goods. : de en
  • AT174940B - Snow removal machine : de en
  • CA19090S - Rar tool : en
  • CA493094A - Boxing head guard : en fr
  • DE1656359U - SNOW SKIDS FOR MOTORCYCLES. : de en
  • DE1656549U - TUBULAR TIRES. : de en
  • DE877741C - Device to prevent the formation of salt crusts in vacuum crystallizers : de en
  • DE877762C - Process for the preparation of higher tetrahydrofurfurylalkylcarboxylic acids : de en
  • US2639578A - Combustion products reaction motor with variable area exhaust nozzle : en
  • US2639585A - Hydraulic press cycle control system : en
  • FR1028605A - Beet loader : en fr
  • DE1656509U - TESTING DEVICE FOR GRINDING WHEELS DRIVEN BY A LIQUID GEAR. : de en
  • DE1656516U - CIGARETTE PACK WITH MATCHES. : de en
  • DE1656594U - ROUTE SEPARATOR FOR TRAM AND OBUS CABLES. : de en
  • US2639795A - Fluid operated clutch : en
  • US2640180A - Welding apparatus : en
  • FR1029022A - Improvements to brakes, clutches and the like : en fr
  • FR1029048A - Process for the production of a hardly soluble salt of vitamin beta1 and food products enriched with this salt : en fr
  • DE877499C - Process and device for wood treatment : de en
  • AU167449B2 - Bucket type scraper : en
  • CH290872A - Dust filter. : en fr
  • FR1028850A - Improvements made to aerodynes propelled by jet engine with air intake, in particular those with annular wings and stato-reactors controlled by dstance : en fr
  • FR1028778A - Advanced gas filter : en fr
  • FR1028813A - Electric Pulse Coded Railway Track Circuit : en fr
  • GB691916A - Improved mechanism for feeding paper or like bags to bag filling apparatus : en
  • GB691940A - Improvements relating to liquid straining apparatus : en
  • US2639532A - Branched article and method of making same : en
  • US2640058A - Hydroxyalkyl-substituted tocopherols : en
  • CH291059A - Amplifier with conditionally stable negative feedback. : de en
  • CA493098A - Spill proof glass : en fr
  • CA493211A - Communication system : en fr
  • CH291084A - Ventilation device for closed passenger vehicles. : de en
  • US2639703A - Oil control means for poppet valve internal-combustion engines : en
  • US2639990A - Process for improving the whiteness or color of materials and products resulting therefrom : en
  • CH291020A - Device for the transmission of electric current, applicable to plugs, sockets and user devices. : en it
  • US2639816A - Clothes drying rack : en
  • USD169663S - Gross lamp : en
  • FR1028607A - Improvement provided in reversing and oscillating amplitude adjustment equipment for an electric bell ringing system : en fr
  • FR1028867A - Grinding machine intended more particularly for grinding brake shoes : en fr
  • DE877693C - Disk mill : de en
  • FR1029107A - Manufacturing process for carpets and pile fabrics exhibiting special effects, and yarns used for this manufacture : en fr
  • CA493156A - Paste molds : en fr
  • CH291097A - Process for the preparation of methyl-phenyl-polysiloxane. : en fr
  • US2639646A - Apparatus for shaping tampon applicator tube ends : en
  • DE877609C - Process for the production of ª ‡, ª ‰ -unsaturated carboxylic acid nitriles : de en
  • AT174961B - Television receiver : de en
  • CA493146A - Color couplers containing mercaptan groups : en fr
  • CH291072A - Distributor. : en fr
  • DE1656363U - SWIVEL INPUT DEVICE FOR PROFILE PARTS TO BE PROCESSED ON CENTERLESS SANDING OR POLISHING MACHINES. : de en
  • DE1656452U - RING ROLLER PRESS WITH ELECTRIC DRIVE. : de en
  • DE877443C - Process for producing a low-ash brown coal coke : de en
  • DE877471C - Starting and braking resistance for tram cars : de en
  • DE877517C - Pressure accumulator : de en
  • FR1028952A - Device for measuring the water content of a substance : en fr
  • US2639618A - Transmission and clutch for clothes washers : en
  • US2639937A - Grapple : en
  • US2640192A - Shiftable directional antenna : en
  • DE877532C - Saw sharpening machine, especially for band and circular saws : de en
  • DE877564C - Electric controls for rudders, especially of ships : de en
  • US2639431A - Cover garment made from gathered cloth or film : en
  • US2639744A - Adjustable cam actuated hold-down clamp : en
  • US2639720A - Hair curler : en
  • CA493128A - Cam actuated pliers : en fr
  • CA493276A - Oleoylamino-azo-dyestuffs and process for making them : en fr
  • DE1656236U - FURNITURE CUTTERS. : de en
  • AU1701453A - Improvements in or relating to catalytic reactors : en
  • BE519818A - IMPROVEMENTS TO CONSTRUCTION ELEMENTS AND, IN PARTICULAR, TO ELEMENTS MADE OF SLIT METAL BARS, WITH ANGULAR SECTION : en fr
  • US2640167A - Envelope for electron flow device and glass-metal seal embodied therein : en
  • USD169676S - Necklace or the like : en
  • DE877721C - Device for changing bobbins in spinning machines : de en
  • DE877760C - Process for the preparation of ª-(o-chlorophenyl)-succinimide and ª-(o-chlorophenyl-ª-methyl-succinimide : de en
  • FR1028846A - Method and apparatus for restoring knitted fabrics : en fr
  • DE877482C - Onion cutter : de en
  • DE877575C - Centrifuge for the separation of gases and liquids, especially foaming liquids : de en
  • DE877871C - Automatic shoe side lasting machine : de en
  • GB692104A - Improvements in or relating to coupling devices for pipes and the like : en
  • DE877794C - Rectifier system with one or more rectifier tubes and with a common choke coil used with the rectifier tubes for smoothing the rectified current : de en
  • FR1028972A - Insecticide cloths : en fr
  • GB691976A - Improvements in optical objectives : en
  • DE877605C - Process for the production of acid amides by breaking down ª ‡ -substituted carboxylic acids : de en
  • FR1028638A - Sizing machine for fruit and other similar products : en fr
  • FR1028831A - Concentric drum brakes, controlled circuits with emergency lines and shut-off valves : en fr
  • US2639600A - Domestic appliance : en
  • IE20567L - Inlet ports and valves : en
  • DE877620C - Arrangement for remote switching on and off of a mechanical attachment hole for teletype receivers, depending on the scanning of the received step group for switching the punch on or off : de en
  • DE877981C - Fuel injection device for internal combustion engines : de en
  • DK75876C - Surge protection for electrical systems. : da en
  • FR1028856A - Improvements to large aperture optical systems with two reflecting spherical surfaces and their application to microscope objectives : en fr
  • GB691966A - Jacket or casing for jet-injection ampoule : en
  • GB692066A - Improvements in or relating to antibiotics and the preparation thereof : en
  • DE877534C - Process for the production of tin packings and metal vessels of all kinds from tinplate : de en
  • DE877601C - Process for the production of semi-ethers of 1,3-glycols : de en
  • DK75874C - Grain-type microphone. : da en
  • US2639507A - Latch means for telescopic gun sights : en
  • US2639688A - Device for moistening adhesive labels and for feeding sheets : en
  • US2639908A - Flush gun for automobile radiators : en
  • DE1656339U - COPY MACHINE. : de en
  • DE1656469U - MESH CALCULATOR. : de en
  • DE877877C - Drive device for the spindles, bobbin carriers or the like of spinning and twisting machines : de en
  • FR1028768A - Process for protecting photographic images against ultraviolet light and resulting products : en fr
  • DE877657C - Process for the production of composite sheets from steel : de en
  • FR1029065A - Process for the treatment of steel alloys : en fr
  • FR1028927A - Coupling device and its manufacturing process : en fr
  • FR1028966A - Improvements in time division multiplexing signal communication systems devices : en fr
  • FR1028871A - Automatic reverser : en fr
  • GB691931A - Improvements relating to the automatic control of electrical load circuits : en
  • GB692039A - Improvements in or relating to address or like printing machines : en
  • DE877710C - Lock slide for a motor vehicle warm air heater, in which the warm air is supplied directly to the vehicle interior : de en
  • DE877986C - Device for separating hard-to-grind foreign bodies from impact shredders : de en
  • FR1028565A - Mechanical press control device : en fr
  • FR1028707A - Improvements to gravity forceps : en fr
  • DE1656384U - LEATHER TROUSERS FOR CHILDREN OF THE SAME SEX. : de en
  • FR1028712A - Process for the preparation of new disazo dyes, dyes obtained by c process, processes for dyeing and printing using these dyes and materials dyed by these processes : en fr
  • FR1029105A - Calendar enhancements : en fr
  • GB692089A - Improvements in and relating to the production of oxygen-containing compounds : en
  • US2640063A - Fluorohydrocarbon substituted silanols : en
  • GB692059A - Improvements in pyrophoric lighters : en
  • DE1656335U - FLOORING FOR LIVESTOCK OD. DGL. : de en
  • FR1028692A - Electronic musical instrument : en fr
  • DE1656454U - TRANSPORT AND STACKING CONTAINERS. : de en
  • DE760405C - Hysteresis peak counter : de en
  • DE877889C - Electrostatic filter system, especially for the cleaning of blast furnace top gas : de en
  • FR1028622A - Sheath : en fr
  • GB692064A - Improvements in or relating to temperature measuring apparatus : en
  • FR1028527A - System of elastic bracelets, intended to bind objects of all kinds and more particularly postal correspondence, both printed and handwritten : en fr
  • FR1028757A - Device for gradually introducing several liquids in strictly proportional quantities into a container : en fr
  • DE1656511U - MOVABLE TEACHING EQUIPMENT TO ILLUSTRATE PERCENTAGE QUANTITIES IN THE CIRCULAR SECTOR PROCEDURE. : de en
  • DE759453C - Ultrasonic generator with piezoelectric oscillator and a spark gap connected in parallel : de en
  • DE877435C - Process for separating the press residue from the pressed pipe on an extruder : de en
  • CH291064A - Contact device with bimetal spring. : de en
  • FR1028571A - Airplane wing facilitating laminar flow : en fr
  • DE877909C - Cooling system for railroad cars : de en
  • USD169677S - Necklace ob the like : en
  • DE877485C - Brake for winches or the like. : de en
  • DE877727C - Facility for producing stacks of sawn timber : de en
  • DE878021C - Conveyor belt : de en
  • FR1028551A - Cylindrical tanks made from cement-based pipes : en fr
  • FR1028639A - Process for the production of gaseous unsaturated hydrocarbons : en fr
  • GB692005A - An improved vehicle washing machine : en
  • CH291060A - Winding device for connecting cables of telephone sets. : en it
  • DE1656244U - SUCTION PRESS FILTER. : de en
  • DE1656586U - COMPENSATING DEVICE ON BENDING MACHINES AND THE LIKE : de en
  • DE877630C - Remote control device, especially for a stage lighting system : de en
  • AT174950B - Adjustable and controllable band filter : de en
  • US2640030A - Additives for use in extreme pressure gear oils : en
  • CH290960A - Production process of metal wires or rods with alternate zones of different section. : en it
  • CH290829A - Seating furniture that can be converted into a double bed. : de en
  • DE877603C - Process for the preparation of water-soluble solid alkali salts of cellulose ether carboxylic acids : de en
  • DE877798C - Counter cover for electricity meters : de en
  • FR1028521A - Utensil for washing vegetables : en fr
  • GB692036A - Improvements in or relating to sealing glands for pressure vessels : en
  • US2639510A - Micrometer : en
  • FR1029106A - Contact and support device for electrodes : en fr
  • CA493112A - Process of treating asbestos-cement products : en fr
  • AT174975B - Arrangement for the protection of machine foundations and processes for their manufacture : de en
  • CA493091A - Method of manufacturing exhaust valves of internal combustion engines : en fr
  • FR1029074A - Device for quick and removable assembly of the bubbling caps on the trays of the distillation and rectification columns : en fr
  • AU1700553A - Improvements in or relating toa process of imparting resin finishes to fabrics : en
  • DE760415C - Hydraulically driven injection molding device : de en
  • DE1656378U - WATER DISTILLATION PLANT WITH MAGNET SOFTENER. : de en
  • AT175027B - Locking device on tubular parts that can be slid into one another, such as stick parts of shortened umbrellas : de en
  • DE877799C - Tension indicator : de en
  • DE1656252U - BEVERAGE SELECTION. : de en
  • US2640146A - Lighting fixture for elongated tubular lamps : en
  • FR1029011A - Organo-polysiloxanes and their manufacturing processes : en fr
  • GB691901A - Improvements in or relating to gas-filled electric discharge tubes and circuit arrangements therefor : en
  • CH290903A - Preparations for the chemical dissolution of superficial sulphide layers on precious metal objects. : de en
  • DE1656309U - EVAPORATOR HOUSING FOR FAN EVAPORATOR. : de en
  • DE877437C - Drive for jigger for sample and test dyeing : de en
  • FR1028895A - Air compressor for refrigeration devices or other industrial uses : en fr
  • US2639520A - Electric flatiron : en
  • US2639952A - Self-lubricating universal bearing : en
  • DE1656490U - BUILDING BLOCK MADE FROM LIMESTONE. : de en
  • CH290858A - Cleaning supplies. : de en
  • DE877784C - Circuit arrangement for dialers with one direction of movement : de en
  • DE1656224U - BOX FOR CIGARETTES OD. DGL. : de en
  • DE1656558U - SUSPENSION DEVICE FOR BICYCLE AUXILIARY MOTORS ON THE FRONT FORK. : de en
  • DE877415C - Liquid container, especially bottle : de en
  • US2639467A - Bur extractor for unginned or seed cotton : en
  • AU163035B2 - Colour photographic images : en
  • AT175020B - Process for the production of pistons for internal combustion engines : de en
  • CH290870A - Roller mill. : en fr
  • CA493273A - Sulfone compounds : en fr
  • CH291065A - Signal for road traffic. : en fr
  • CH290871A - Roller crusher. : en fr
  • CA493190A - Aldehydes : en fr
  • AU157162B2 - Improvements in and relating to parachutes : en
  • DE877933C - Sliding armature motor with a clutch housed in the motor housing designed as a flywheel : de en
  • FR1028626A - Improvement in dividers for log saws or similar machines : en fr
  • FR1028791A - Reinforced panel and profiles for assembly by keying of two or more contiguous panels : en fr
  • CH290821A - Combination lock. : en fr
  • DE1656403U - IRON BASE FOR ELECTRIC IRONING WITHOUT A CORD ON THE IRON. : de en
  • DE1656564U - MIDSOLE FOR WOMEN'S SHOES AND SANDALS WITH WEDGE HEEL. : de en
  • DE877972C - Tool for tiller : de en
  • AU1706453A - Improvements in or relating to electromagnetic switches adapted to trip on overload : en
  • DE1656377U - PLATE FOR HOLDING THE BOTTLE NECK, FOR MILK BOTTLES IN THE BOX AND THE LIKE. : de en
  • CH290917A - Daylight development box. : de en
  • CH290920A - Automaton. : en fr
  • AT174916B - Process for the production of the new 6-methyl-8-oxy-ergoline : de en
  • AU1702153A - Aluminum shingle : en
  • CH291029A - Electron tubes with fluorescent screens, in particular for tuning display : de en
  • US2639967A - Deliming hides with citric acid fermentation liquor : en
  • AT174976B - Method for manufacturing commutators : de en
  • CH290916A - Establishment for normal film projection apparatus. : de en
  • CH290957A - Arc welding method and apparatus. : en fr
  • US2639549A - Soilless culture : en
  • US2639684A - Sculling apparatus : en
  • CA493261A - Preparation of benzene hexachloride : en fr
  • CH290823A - Clasp. : de en
  • USD169702S - Handkerchief or the like : en
  • CH291042A - Device for sterile blood sampling without using a syringe. : en it
  • DE877711C - Inflation valve for two-chamber safety air hoses : de en
  • DE1656413U - HEATER FOR SOLID FUEL. : de en
  • DE877666C - Tenoning and milling machine : de en
  • GB691992A - Improvements in or relating to counting apparatus : en
  • DE877465C - Arrangement for influencing the frequency of electrical vibrations : de en
  • US2639477A - Resilient fastener for rigid ventilated awnings : en
  • US2639620A - Reciprocator : en
  • AT174990B - Power supply device for the supply of uninterruptible alternating current of low frequency : de en
  • CA493102A - Electro-magnetic driving system : en fr
  • CA493157A - Beverage brewer : en fr
  • CA493142A - Lens mount focusing cap : en fr
  • AU158435B2 - Slushing scraper : en
  • DE1656272U - STONEWOOD SLAB. : de en
  • DE877433C - Schraemmachine for Schraem at different heights : de en
  • DE877939C - Process and device for the continuous extraction of oil from substances containing oil : de en
  • DE877962C - Pure tone aperture : de en
  • AT175016B - Hair care products : de en
  • CA493181A - Sulfonic acids of polyarylethylene derivatives and a process of making same : en fr
  • CA493206A - Automobile door latch : en fr
  • CH290808A - Vertical construction. : en fr
  • CH290962A - Process for the production of iron powder. : de en
  • US2639991A - Canning process : en
  • US2639589A - Method and apparatus for driving pile shells : en
  • CH290934A - Electric thermostat. : de en
  • AT174949B - Band filter : de en
  • AT175050B - Molded stone with cavities : de en
  • US2639716A - Smoking pipe seasoner and rejuvenator : en
  • US2639691A - Antipicking device : en
  • US2640115A - Electrical switch : en
  • US2639639A - Organ stop control : en
  • US2640014A - Oil-shale eduction process and apparatus : en
  • US2640110A - Second order gradient directional microphone : en
  • DE877512C - Fluid cooling device for internal combustion engines, especially in aircraft : de en
  • DE877868C - Swim diving equipment : de en
  • FR1028932A - Switch for automatic or semi-automatic switching system : en fr
  • FR1029036A - Illuminated box with screen allowing the examination by transparency or direct illumination of all thin surfaces and in particular of postage stamps : en fr
  • AT174933B - Process for the production of iron powder with grain sizes of maximum 0.15 mm for powder metallurgical purposes : de en
  • CH290869A - Protective cover for a shoe upper. : de en
  • CH291080A - Vehicle with a height-adjustable loading platform. : de en
  • DE877654C - Sphygmomanometer : de en
  • CA493088A - Pipe couplings : en fr
  • CA493243A - Electron beam tube : en fr
  • CH291024A - Electric resistance element group. : de en
  • CA493175A - Hoppers and like containers : en fr
  • CA493251A - Bore hole gauge : en fr
  • CH290979A - Device for introducing and removing a coolant into or from a rotating hollow shaft. : de en
  • AT175010B - Device for post-treatment of continuously obtained artificial threads : de en
  • US2639586A - Rotary pump and motor hydraulic transmission : en
  • DE877642C - AC current measuring bridge : de en
  • US2639692A - Device for sealing wire lines, including a cable having spaced sealing members : en
  • CA493198A - Combined cover and handle structure for paperboard boxes : en fr
  • CA493232A - Tuning aid for radio receivers : en fr
  • CA493226A - Radio locating apparatus : en fr
  • FR1029057A - New oxazolines and their preparation process : en fr
  • US2639759A - Method of forming glass fiber mats : en
  • US2639661A - Base marking apparatus : en
  • AT174995B - Process for the production of color photographic X-ray images : de en
  • AT175013B - Stroking machine : de en
  • US2639453A - Device for cleaning the tubes of automobile radiators and the like : en
  • US2639457A - Automatic shoe rest and support : en
  • US2640057A - Reactions of heterocyclic compounds with unsaturated carbonyl compounds : en
  • DE1656450U - PLANE SHAPED CHILDREN'S TOYS WITH ELEVATOR AND RUDDER CONTROL : de en
  • DE877640C - Counter adjustment and checking device : de en
  • AT174952B - Relay breaker : de en
  • DE877737C - Process and rolling mill for processing the edges of strip-shaped rolling stock : de en
  • CA493074A - Convertible road grader and snow plow : en fr
  • CA493126A - Slack adjusters for brake beams : en fr
  • US2640033A - Process and apparatus for continuously processing and extruding plasticizing materials : en
  • US2640083A - Manufacture of vanillin and its homologues : en
  • FR1029075A - Improvements in the assembly of the bubbling caps of the trays of distillation and rectification columns : en fr
  • US2639826A - Articulated boom : en
  • US2639874A - Helicopter wings and other aircraft structures with boundary layer control : en
  • US2640093A - High voltage measuring device : en
  • USD169652S - Corner guard for luggage : en
  • US2639701A - Ventilating system for sealed ignition distributors and engine crankcases : en
  • USD169669S - Hardy handbag : en
  • DE877841C - Picking belt arrangement, especially for potato sorting machines : de en
  • FR1028794A - Cider and wine press : en fr
  • GB692180A - Pulse generator : en
  • FR1028945A - Tool for drilling holes with polygonal cross-section : en fr
  • GB692047A - Improvements in or relating to hydrostatic force or weight measuring apparatus : en
  • GB692100A - Treating impure liquids : en
  • DE1656527U - HOSE STRAP FOR FILTER HOSES. : de en
  • DE1656589U - DEVICE FOR LINEING UP SHEETS WITH ROW OPENINGS, ESPECIALLY MADE OF PAPER OR CARDBOARD. : de en
  • GB691910A - Justification mechanism for type-composing machines : en
  • DE878000C - Propeller with adjustable blades : de en
  • DE877547C - Light shutter or fire flap arrangement : de en
  • DE1656239U - MINIATURE INK PERMANENT ERASER WITH PENCIL SHARPENER AND ERASER HOLDER. : de en
  • DE755284C - Device for loading heat treatment baths : de en
  • DE877643C - Bridge circuit to determine the characteristic impedance of electrically short cables by measuring the no-load and short-circuit resistance : de en
  • DE877700C - Device for drying fire hoses : de en
  • DE877823C - Weather protection device for the lower window parts with pane holder : de en
  • GB692179A - Purification of silver nitrate solutions : en
  • USD169664S - Gross lamp : en
  • FR1029053A - Coupling device for superimposing currents at musical frequencies in a distribution network : en fr
  • GB691962A - Improvements in colour photography : en
  • GB692054A - Improvements in indicating means for radio tuning devices : en
  • AU1707353A - Improvements in composite rollers, pulleys andthe like : en
  • US2639806A - Combination package : en
  • US2639880A - Barber clipper holder : en
  • DE1656303U - DEVICE FOR ATTACHING ADDITIONAL PARTS TO PIT SUPPORT SEGMENTS. : de en
  • DE1656321U - MANURE GRAB. : de en
  • DE1656574U - Sanding plant. : de en
  • FR1028611A - Flooring slab : en fr
  • GB691943A - An improved method of and means for producing machine-made tubular bags : en
  • DE1656305U - WATER ENGINE TAMPER. : de en
  • DE877746C - Process for the production of hydrogen : de en
  • DE1656497U - SAW BAND GUIDE ON BAND SAW MACHINES. : de en
  • DE877753C - Process for the production of alkali phosphite : de en
  • DE877991C - Accident protection device for prams and sports cars : de en
  • AT174985B - Multi-phase contact converter with synchronously moving bridge contacts : de en
  • AU1697953A - Colour photographic images : en
  • AT174929B - Process for the production of pure iron and sulfuric acid from iron (II) sulfate heptahydrate : de en
  • US2639517A - Apparatus for drying photographic prints : en
  • US2639645A - Method of making bottle closures : en
  • US2639920A - Seamless cover tennis ball and method of manufacture : en
  • DE878018C - Method and device for centrifuging hollow bodies : de en
  • DE1656353U - VEHICLE FOR PASSENGER TRANSPORTATION WITH ELECTRIC DRIVE. : de en
  • DE751604C - Polymerization process : de en
  • US2639587A - Protection of beaches from erosion : en
  • DE877427C - Board game : de en
  • US2639932A - Push button construction : en
  • DE878035C - Unwinding device for strip-like rolled material : de en
  • AT174948B - Arrangement to protect the direct current devices of a track against the influence of the alternating drive current : de en
  • GB691907A - Improvements in or relating to automatic weighing apparatus : en
  • FR1028530A - Safety shut-off valve for pressurized gas lines : en fr
  • US2639944A - Liquid dispensing device : en
  • AU160385B2 - Improved implement for bruising bracken andother trash : en
  • FR1028956A - Apparatus for the manufacture of cigarette tips : en fr
  • GB692123A - Improvements in and relating to folding mattresses : en
  • FR1028698A - Toy plane : en fr
  • DE1656387U - PIPE ROLLER WITH A SERRATED CAP TO HOLD THE PIPES IN FAST WHILE ROLLING IN. : de en
  • DE1656435U - STEERABLE SKIS. : de en
  • DE877938C - Process for the production of dyes : de en
  • DE877572C - Combat gas detection grenade : de en
  • DE877634C - Contact converter for working on counter voltage with circuit breaker against reverse current : de en
  • DE1656451U - DANCE GIRL. : de en
  • DK75897C - Automatic firearm with safety device for the base. : da en
  • FR1029118A - Improvements to dry straighteners : en fr
  • FR1028613A - Elastic saddle : en fr
  • GB692004A - Soluble esters of yellow triazine vat dyes : en
  • DE877899C - Process for the preparation of alcohols of the acetylene series : de en
  • DE877980C - Working method of an internal combustion engine : de en
  • DE877987C - Amplifier for musical instruments with electrical pickup : de en
  • GB692051A - Improvements in window cleaners : en
  • DE1656270U - YARN AND BALE CONVEYORS : de en
  • DE877807C - Process for the production of air-drying, liquid to balsam-like interpolymers that can be used in paints, varnishes, varnishes, impregnating agents, from aromatic vinyl hydrocarbons and drying oils : de en
  • US2639481A - Shoelace : en
  • GB692034A - Improvements in or relating to sheet separating and forwarding machines : en
  • DE1656279U - TRANSMISSION FOR PIVOTING PLATES. : de en
  • FR1028924A - Convertible furniture : en fr
  • GB692101A - Treatment of fish livers : en
  • DE877432C - Shaving tool for shaving machines : de en
  • DE877921C - Cable lug, especially for aluminum cables in electrical systems on motor vehicles : de en
  • FR1028713A - Cigar cutter : en fr
  • DE1656299U - DRIVE STATION, IN PARTICULAR FOR STEEL LINK BELTS. : de en
  • DE1656547U - CORNER CONNECTION FOR TRUCK BODIES. : de en
  • DE877756C - Process for the preparation of carbonic acid amides : de en
  • US2640069A - Concentration of secondary alkyl sulfate salt solutions : en
  • GR14447B - MODIFICATION ON THE ELECTRIC WATER OF HOT WATER PRODUCTION. : el en
  • US2639711A - Receptacle for irrigating intestinal tract of colostomy patients : en
  • US2640148A - Reflector for controlling at a predetermined angle direct and indirect rays from a light source : en
  • US2639750A - Inflating means : en
  • US2639595A - Thrust coupling : en
  • USD169711S - Handkerchief or the like : en
  • FR1028695A - New game of skill and chance : en fr
  • US2639790A - Emergency exit window : en
  • US2639889A - Fence stretcher : en
  • US2640104A - Volume control : en
  • AT174994B - Safety arrangement for X-ray diagnostic apparatus : de en
  • AU164495B2 - Improvements in or relating toa process of imparting resin finishes to fabrics : en
  • US2639998A - Process for applying ink to ethylene polymer surfaces : en
  • FR1028756A - Spark plug : en fr
  • AU164249B2 - Method of treating seed potatoes for retarding sprouting : en
  • CH290807A - Tubular wall plug made of thermoplastic material. : de en
  • FR1028531A - Improvements to cutting tools for metalworking : en fr
  • DE877566C - Method and device for lapping the bores of workpieces : de en
  • US2639764A - Car seat fabric clip : en
  • US2639801A - Egg handling machine : en
  • USD169699S - Smoking aspirator : en
  • FR1028857A - Device for debarking pieces of wood such as tree trunks : en fr
  • FR1029020A - Oscillators : en fr
  • US2639434A - Collar and like garment parts : en
  • US2639866A - Multiple spool and thread package thereon : en
  • US2640157A - Rapid searching thermal automatic frequency control : en
  • DE877558C - Suspension of the rigid rear axle of motor vehicles : de en
  • DE1656591U - HEAT BOILER FOR POLLUTED GASES OR FUELED GASES IN THE WORK PROCESS. : de en
  • US2639987A - Two-stage pulping process : en
  • FR1028735A - automatic manure spreader : en fr
  • DE877848C - Process for improving the properties of solutions intended for electrolytic purposes, in particular galvanic baths : de en
  • FR1028873A - Improved sealing device for valves and hydraulic or pneumatic control devices : en fr
  • FR1028644A - Further training in machines and instruments comprising pistons moving in cylinders : en fr
  • FR1028925A - Gearbox control for lifting devices : en fr
  • FR1028885A - Resin products which harden rapidly at room temperature, their applications and preparation : en fr
  • GB692132A - Method and apparatus for the manufacture of foam rubber : en
  • DE877849C - Process for the treatment of electrical apparatus made of metal intended to receive OEl : de en
  • GB692136A - Process for producing glass : en
  • DE759853C - Switching arrangement to achieve a constant load current in alternating current circuits : de en
  • US2639575A - Side delivery rake : en
  • US2639564A - Oscillating sander : en
  • FR1028858A - Improvements in the manufacture of concrete poles : en fr
  • CH291013A - Commutator machine with axial air gap. : de en
  • CH291051A - Automatic fire extinguishing system. : de en
  • US2640061A - Process for the preparation of 1-amino-2-alkyl-mercapto-4 hydroxy-anthraquinones : en
  • GB691905A - Phthalocyanine derivatives : en
  • GB692086A - Improvements in hydraulic servo motors : en
  • FR1028594A - Long-life arc lamps : en fr
  • DE1656320U - TOOLS FOR BEING, POLISHING AND THE LIKE. : de en
  • DE1656534U - DEVICE FOR MANUFACTURING PIPE ELBOWS. : de en
  • DE877449C - Process for the halogenation of hydrocarbon mixtures : de en
  • DE877934C - Two-pole circuit to stabilize the control frequency voltage in audio frequency superimposed consumer networks : de en
  • FR1028785A - Improvements in fiber drawing elements used in textile spinning : en fr
  • FR1028946A - Lifting gear : en fr
  • FR1029073A - Process for manufacturing artificial resins from dicyandiamide : en fr
  • IE20490L - Belting. : en
  • GB692159A - Improvements in and relating to a pipe joint of the bell and spigot type : en
  • DE1656212U - FLOW CONTROLLERS, IN PARTICULAR FOR SHIELD GAS. : de en
  • USD169695S - rabinowitz : en
  • DE753538C - Process for cooling ammonia oxidizing gases : de en
  • DE877776C - Device for rerouting rail vehicles of considerable length in underground operation : de en
  • FR1028926A - Metal stud to be installed by welding and its manufacturing process : en fr
  • DE877632C - Flow-cooled electrical resistance : de en
  • FR1028878A - Regulator : en fr
  • FR1028511A - Motorized bicycle leg guards : en fr
  • FR1028617A - Improvements to heat exchangers using the intermediary of a volatile liquid : en fr
  • FR1029040A - Method and tools for chamfering rubber or the like : en fr
  • US2639644A - Machine tool such as boring and milling machine : en
  • US2640027A - Sewage sludge digestion process : en
  • DE1656567U - Cord. : de en
  • US2639607A - Preformed tile and beam floor construction : en
  • US2639830A - Machine for attaching and wiping labels on conduits or other cylindrical articles : en
  • US2639938A - Vehicle body pillar and trim assembly : en
  • DE759194C - Free release clutch for electrical circuit breakers : de en
  • DE877873C - Rotary tubes for spinning and twisting machines : de en
  • DE877966C - Method and device for the determination of components in gas mixtures by absorption of radiation : de en
  • DE877989C - Camera shutter : de en
  • US2640048A - Chlorosulfonation of polythene using azo catalysts : en
  • DE877954C - Process for the production of plastic dispersions : de en
  • FR1028825A - Soapy sheets presented in the form of a notebook, rolls, in envelopes or n boxes and presenting texts, images, drawings or vignettes : en fr
  • FR1028507A - Appliance to keep food warm : en fr
  • FR1028687A - Improvements to the templets : en fr
  • FR1028786A - Process for the preparation of aureomycin complexes : en fr
  • US2639519A - Silicone rubber ironing pad : en
  • US2639883A - Flow regulator : en
  • US2640004A - Strip insulation and method of manufacture : en
  • CA493236A - Glow discharge tube and process of manufacturing it : en fr
  • DE1656498U - CHAIN MILLING DEVICE IN CONNECTION WITH A CIRCULAR SAW. : de en
  • DE754815C - Frame for belt conveyor for mining operations : de en
  • DE877764C - Process for the production of triphenylmethane off-cuts containing sulfone groups : de en
  • DE877683C - Water injection and device for internal combustion engines : de en
  • GB691911A - Method of utilising spent sulphite lye : en
  • DE1656491U - CHIMNEY SHAPED STONE MADE OF BRICK CONCRETE. : de en
  • DE877544C - Film cassette and cassette pouch : de en
  • DE877560C - Steering gear with a manual actuation of the steering device supporting power amplifier, especially for motor vehicles : de en
  • FR1028765A - Electronic counter : en fr
  • CA493182A - Optical brightening agents and a process of making same : en fr
  • CH290841A - Method for piecing an artificial thread on a spinning machine with a set pair of rollers. : de en
  • CH290933A - Instrument for measuring the humidity contained in a gas mixture. : en fr
  • CH291033A - Toggle switch. : de en
  • US2639911A - Sawdust drying apparatus : en
  • US2640010A - Method of removing sulfur from petroleum hydrocarbons : en
  • AT174953B - Circuit arrangement for billing fees for long-distance connections in telephone systems : de en
  • US2639668A - Printing cylinder : en
  • CH291035A - Device for closing and opening electrical circuits by means of an electron tube that takes on the action of several relays. : de en
  • CH291015A - Electrical apparatus comprising metallic elements between which is arranged a dielectric. : en fr
  • CH290950A - Self-winding watch by oscillating weight. : en fr
  • DE1656325U - DEVICE FOR HOLDING CIGARETTES. : de en
  • DE877913C - Arrangement for safety earthing of vehicles with flywheel drive : de en
  • US2639854A - Box : en
  • US2640126A - Fuse adapter plug : en
  • US2639613A - Spring and weight testing device : en
  • US2639783A - Oil filter and pressure regulation system for engines : en
  • AU164233B2 - Electric cutting, shaping and grinding : en
  • US2639516A - Dry cleaning apparatus : en
  • US2640038A - Mar-resistant paint composition : en
  • US2639963A - Secondary emitter and method of manufacture : en
  • US2640188A - Control pulse distributing system : en
  • GB692113A - Molded pulp container : en
  • DE877487C - Room ceiling with slatted frame : de en
  • DE877789C - Frame for switching cells for electrical high-voltage systems : de en
  • FR1029013A - Brake for vehicles of the opposing shoe type mounted in a rotating drum : en fr
  • US2640193A - Radiant energy signaling system : en
  • FR1028694A - Advanced Building Elements Set : en fr
  • DE1656513U - SAMPLE CONTROL BLOCK FOR STATISTICAL QUALITY MONITORING ACCORDING TO THE CONTROL CARD PROCEDURE. : de en
  • FR1029133A - Float intended for spearfishing as well as seabed prospecting : en fr
  • DE877705C - Drawbar for trailers, especially for motor vehicles : de en
  • DE1656343U - FINDERS FOR INTERCHANGEABLE LENSES ON PHOTOGRAPHIC CAMERAS. : de en
  • SE140501C1 - : en
  • US2640116A - Ignition timer : en
  • USD169709S - Handkerchief or the like : en
  • GB692008A - Turret tool-holder device for lathes : en
  • DE877914C - Teletypewriter with combined key and punched tape transmitter : de en
  • US2639837A - Coffee dispenser : en
  • US2640094A - Monitor system insensitive to impedance variations : en
  • LU28356A1 - Movement damping device : en fr
  • US2639496A - Method of making shock absorbing connections : en
  • DE877982C - Pressure chamber sealing on injection pumps, especially for low-viscosity fuels : de en
  • DE1656341U - UPHOLSTERY NAIL. : de en
  • FR1028841A - Hollow toy : en fr
  • FR1028874A - Receptacle for household garbage and other uses : en fr
  • GB692058A - Rotary air or other gas pumps : en
  • GR14457B - METHOD AND INSTALLATION OF CONTINUOUS FORMING OF MELTED METALS. : el en
  • DE1656372U - PLAY VEHICLE GARAGE WITH HINGED SINGLE OR MULTI-LEAF DOOR. : de en
  • DE877673C - Glass scale : de en
  • CH290901A - Process for the preparation of a new synthetic resin. : en fr
  • CH290940A - Paper feed device for the print strip on computing office machines. : de en
  • US2639699A - Two-cycle engine and improved crankcase induction means therefor : en
  • US2640166A - Drive coupling of the permanent magnet type : en
  • FR1028760A - Auxiliary delivery device for simligravue reproduction chamber : en fr
  • FR1029034A - Training in lifting devices : en fr
  • FR1029113A - Inking and moistening roller support device for printing machines : en fr
  • DE877520C - Spring plate arrangement for ring-shaped piston sleeves serving as a valve : de en
  • DE877965C - Process for the determination of components in mixtures of substances by means of radiation absorption : de en
  • DE859028C - Diaphragm compressor with a disk-shaped membrane : de en
  • DE878009C - Machine for polishing footwear parts, in particular heels : de en
  • FR1028599A - Improvements to multi-cut circuit breakers : en fr
  • DE1656484U - HAIR SHAPER. : de en
  • FR1029010A - Process and apparatus for the preparation of concentrated solutions of ammonium nitrate : en fr
  • US2640181A - Dynamoelectric machine : en
  • USD169690S - Bracelet or the like : en
  • CA493138A - Borate optical glass : en fr
  • DE1656408U - DEVICE FOR SCREEN OBSERVATION WITH THE SAME BODY POSITION AND ROENTGENOGRAPHIC RECORDING OF DORSAL PARTS AND / OR ORGANS OF THE BODY, IN PARTICULAR OF THE HUMAN KIDNEY. : de en
  • DE1656317U - ARRANGEMENT OF A SWITCHING MAGNET IN A SELF-SWITCH. : de en
  • DE877754C - Process for the preparation of butanediol- (1, 2) : de en
  • DE877976C - Flax seedling machine : de en
  • GB692107A - Improvements in classifying apparatus for sand commonly called sand cones : en
  • US2639440A - Ventilator for water closets : en
  • USD169650S - Warming bag or the like : en
  • DE1656551U - MOTORCYCLE PASSENGER FOOTPEG. : de en
  • FR1028790A - Apparatus for analyzing gases with several constituents by absorption of radiations and in particular of infra-red radiations : en fr
  • FR1028918A - Combined pipe connection and branching device : en fr
  • DE877824C - Miter saw : de en
  • DE877948C - Process for the production of air-permeable foam sheets covered with textiles : de en
  • DE877733C - Star-shaped filter tube : de en
  • DE877820C - Method for operating a hot water gravity heating system serving to supply an air heater : de en
  • US2639634A - Apparatus for cold welding of metal : en
  • DE877606C - Process for the production of simply unsaturated aliphatic ketones : de en
  • FR1029126A - Dosing tube for dispensing liquids, emulsions and suspensions : en fr
  • DE1656420U - CAR MAP. : de en
  • DE877545C - Film cassette : de en
  • DE1656202U - SEWING CLOSET. : de en
  • DE1656298U - CRATE-LIKE TRANSPORT AND STORAGE CONTAINER FOR CHEESE, E.G. SOUR MILK CHEESE. : de en
  • US2639570A - Reel for gathering low lying crop : en
  • US2639805A - Display package kit : en
  • GB691974A - Toys and amusement devices : en
  • FR1028772A - Machine for photographic reproduction of documents : en fr
  • DE877582C - Rocking lever drive for carrier slide of the stamping and cutting head : de en
  • DE878002C - Grinding device for knife blades : de en
  • FR1028967A - Dryer for reels of textile fibers : en fr
  • AU159021B2 - Method and. machine for winding flexible material : en
  • DK75895C - Device for tin cans. : da en
  • CA493135A - Optical glass : en fr
  • CA493148A - Apparatus for inspection of sensitized materials : en fr
  • AU1697453A - Method of forming small apertures in thin metal plate-shaped articles, by means ofa mandrel; articles manufactured by this method anda device for carrying out this method : en
  • US2639786A - Controlled deceleration device : en
  • US2639821A - Friction shock absorbing mechanism for railway draft riggings : en
  • US2639441A - Sofa and double bed combination : en
  • FR1028528A - Lifting device with speed reducer stepped drum : en fr
  • AT174941B - Snow clearing unit : de en
  • CH290879A - Device for supplying a gas to a vibratory agitator. : de en
  • CH290951A - Device for mounting a removable case back in the middle of a waterproof watch case. : en fr
  • AU163273B2 - Improvements in or relating to methods of making electric discharge tubes and discharge tubes made by means of such methods : en
  • CH290971A - Electric lighter. : de en
  • DE751506C - Reactive power monitoring and control arrangement with any number of levels : de en
  • US2639584A - Emergency fuel supply system : en
  • US2639465A - Automatic multiple cavity molding with dielectric preheat : en
  • US2640050A - Method of copolymerizing vinylidene chloride and vinyl chloride : en
  • USD169654S - Bennett paper cup holder or similar article : en
  • US2640163A - Engine starting apparatus with generator separately excited during starting : en
  • US2639836A - Seed treater : en
  • FR1028663A - Metalloplastic seal : en fr
  • DE751071C - Method and device for processing bones : de en
  • CH291115A - Process for the preparation of a new quaternary ammonium compound. : de en
  • CH291119A - Monocable cable car. : en fr
  • US2639596A - Circular knitting machine having a latch lifter and method of operating same : en
  • CA493254A - Fastener for butt joints : en fr
  • US2640129A - Temperature responsive switch : en
  • US2640025A - Electroplating barrel : en
  • CH290835A - Machine for the preparation of tea and similar drinks. : en fr
  • CH291007A - Fridge. : de en
  • US2639861A - Steam heating circulation system : en
  • DE877500C - Measuring device with two-point support, especially on grinding machines or other machine tools : de en
  • FR1029104A - Improvements to candle holders for birthday cakes : en fr
  • GB692073A - Improvements in the production of water-soluble chromium-containing dyestuffs : en
  • AT175037B - Shoe scraper : de en
  • US2639636A - Power-operated, predetermined torque release wrench : en
  • US2639700A - Flexible governor control for internal-combustion engine throttle valves : en
  • US2640040A - Nonsweating stabilized wax composition and process of making the same : en
  • DE755546C - Phase shift measuring or recording device : de en
  • US2639846A - Coat hanger with integral moth repellent receiving ends : en
  • DE1656501U - TOOL FOR MAKING AGRICULTURAL WOODEN RAKES. : de en
  • DE877960C - Electrical contact micrometer : de en
  • DE1656281U - DRIP CATCHER FOR WET ROYAL FILM AND PHOTO DEVELOPMENT FRAME. : de en
  • AT174983B - Electrical switching element, the individual parts of which are assembled in a tube made of insulating material : de en
  • AU164365B2 - Improvement infrequency-conversion apparatus : en
  • AT175004B - Centrifugal separators, especially for flue gas cleaning in connection with heat exchangers : de en
  • AU154664B2 - Improvements in apparatus for sawing timber : en
  • US2639947A - Liquid distributing tray : en
  • DE877489C - Device for fastening ridge tiles : de en
  • DE877591C - Device for limiting the ram stroke in hydraulic presses : de en
  • DE1656522U - ARRANGEMENT FOR FASTENING SEVERAL DRIVE PARTS ON THE CONE-SHAPED PART OF A SHAFT. : de en
  • DE877734C - Schraem loader : de en
  • CA493203A - Shock absorbing and silencing mounting arrangement for air cleaners : en fr
  • CA493087A - Tandem axle for trailers : en fr
  • DE1656585U - DEVICE FOR PERFORMING FERMENTATION, E.G. IN DISTILLERY AND BREWERIES. : de en
  • DE757583C - Vibrating contact converter : de en
  • US2639774A - Paraffin removal system for wells : en
  • US2639812A - Slurry tank for seed treating machines : en
  • CH290859A - Method of manufacturing a tablecloth. : en fr
  • AT174946B - Automatic clamping device for single cable cars : de en
  • AU164250B2 - Method and apparatus for electrolytic cutting : en
  • CH290965A - Process for discontinuous drying as well as system for carrying out the process. : de en
  • AT175048B - Prefabricated wall element : de en
  • CH290910A - Visual file. : de en
  • FR1028647A - Decorative subject under globe and with base : en fr
  • CA493237A - Radio-receiver indicator : en fr
  • CH290837A - Cooking pot with insert pot. : de en
  • US2640175A - Time keeping device motor : en
  • DE1656211U - PROBLEM. : de en
  • DE877998C - Gravity davit : de en
  • GB692071A - Process and apparatus for the production of nitric acid from nitrous gases : en
  • AT175018B - Process for the preparation of racemic dihydro-nor-lysergic acids : de en
  • CA493228A - Process of molding zirconia : en fr
  • DE874703C - Process for hypersensitizing photographic silver halide emulsions : de en
  • DE877882C - Brassiere : de en
  • DE759776C - Switching arrangement for interruption devices : de en
  • DE877763C - Process for preventing or delaying the auto-oxidation of tetrahydrofurfuryl alcohol : de en
  • DE878008C - Machine for dressing shoe soles : de en
  • DE877838C - Tractor with a hydraulically controlled device jack that automatically regulates the tensile load, especially for agricultural devices : de en
  • DE882918C - Control and adjustment mechanism for cash registers with adjustment levers : de en
  • FR1028797A - Carpet making machine : en fr
  • FR1028942A - Preparation of vinyl esters of chemically stabilized rosins and their polymers : en fr
  • GB692041A - Improvements relating to quick-acting screw fastening devices : en
  • DE1656386U - BASE PLATE, IN PARTICULAR FOR TRACK EXPANSION. : de en
  • DE877556C - Hand pole brake, especially for motor vehicles : de en
  • GB692015A - Improvements in or relating to aircraft provided with crash or impact detecting devices : en
  • GB692029A - Improvements in or relating to machines for manufacturing lead piping : en
  • FR1028667A - Telescopic shock absorber : en fr
  • GB692021A - Device for hygienically storing and releasing milk bottle caps and the like : en
  • AT174904B - Process for the production of substituted carboxylic acids : de en
  • AT175002B - Process for the aromatization of liquid hydrocarbons : de en
  • AU1697753A - A device for screen-image photography, in medical x-ray investigation : en
  • CA493164A - Metallic oxide scale removal : en fr
  • CH290966A - Automatic device for controlling the movements of the tool holder or the workpiece holder of a machine tool with continuous production cycles. : en fr
  • CH291100A - Process for the preparation of a new synthetic polymer. : en fr
  • USD169717S - White etau sandal : en
  • US2639624A - Yieldable power transmission : en
  • US2639629A - Transmission : en
  • US2639808A - Packaging of tacky materials : en
  • AT174958B - Electrical vibration device for generating periodically recurring pulses : de en
  • DE866394C - Method and device for atomizing spray liquors : de en
  • DE877510C - Arrangement of the hand crank for driving the line drum of fishing tackle : de en
  • CA493151A - Dolls, animals and like figures and the manufacture of same : en fr
  • US2639871A - Stock reel : en
  • CA493265A - High frequency induction heating system : en fr
  • DE1656328U - APPARATUS FOR CLEANING PRESSURE SENSITIVE FRUITS, ESPECIALLY TOMATOES. : de en
  • DE1656542U - DEVICE FOR DISPLAYING PRESSURE CHANGES IN PRESSURE MEDIUM SYSTEMS IN VEHICLES. : de en
  • CA493150A - Filament coil feeder and method : en fr
  • DE1656486U - DEPILATION EMERALS. : de en
  • DK75887C - Powdered fuel combustion plant. : da en
  • US2639670A - Liquid pump : en
  • US2640174A - Intensifier : en
  • CA493104A - Insole : en fr
  • CH290860A - Device for the production of a textile material without thread entanglements. : de en
  • CH291001A - Device for the sudden reduction or interruption of the power output of a gas turbine plant. : de en
  • CA493127A - Intermediate jaw pliers : en fr
  • CH290840A - Rolling mill for drawing synthetic threads made of orientable linear polymers. : de en
  • CH290882A - Process for the preparation of hydrogen peroxide by hydrogenation and oxidation of at least one compound containing the para-quinonic group dissolved in a mixture of solvents. : en fr
  • US2639602A - Emergency declutching mechanism for clothes wringers : en
  • CA493213A - Brake : en fr
  • CH291009A - Heat exchanger with finned tubes. : de en
  • FR1028787A - Saturation choke device : en fr
  • AU1710153A - Hardenable glycidyl ether compositions : en
  • DE755617C - Process for the production of condensation products : de en
  • DE877969C - Power switch for the regulation of any controlled variable, such as temperature, pressure, humidity : de en
  • FR1029123A - Improvement of the handles or handles of bags, suitcases, tote bags or other similar receptacles : en fr
  • CH290995A - Injection pump. : de en
  • US2639945A - Car, floor, and wall washer : en
  • DE1656237U - BAR HINGE. : de en
  • FR1028738A - Lower boom control device for lowered loom : en fr
  • DE1656206U - CLEANSER. : de en
  • DE1656481U - EYEGLASSES MADE OF LIGHT ALLOY WITH TENED SURFACE. : de en
  • DE1656565U - Cord. : de en
  • DE877416C - Closure with pouring device for bottles, tubes or similar containers : de en
  • US2639709A - Blood extracting device : en
  • US2640185A - Resilient solder terminal : en
  • US2639518A - Display device : en
  • US2639942A - Machine for applying material to walls : en
  • FR1028901A - Handling device for transportable containers : en fr
  • GB691970A - Method of and means for automatic colour selection : en
  • GB692012A - Combined screwdriver and tyre inflation valve key : en
  • US2639566A - Method of packaging hangered garments : en
  • US2639614A - Thermometer case with means for swinging the same : en
  • US2639735A - Flaw detector for wire mesh looms : en
  • AU1701353A - Method of avoiding explosion Hazards inthe vapour drying and preservative treatment of wood : en
  • DE877525C - Electric heating device for acid baths : de en
  • DE877583C - Stocking with a tube of rubber elastic thread and method for its manufacture : de en
  • GB692057A - Improvements relating to connector strips for connecting panels and the like in edge-to-edge relation : en
  • US2639448A - Heel seat fitting machine : en
  • US2639430A - Glare shield for spectacles : en
  • US2639862A - Pneumatic elevator for flour mill stocks : en
  • US2639569A - Self-propelled harvester with automatically controlled variablespeed drive : en
  • CH290838A - Drawing device for wet spinning. : en fr
  • CH290887A - Process for improving crude benzene. : de en
  • CH291074A - Packing box. : de en fr
  • US2639933A - Bumper for tractors and the like : en
  • US2640141A - Apparatus for dielectric heating : en
  • US2640132A - Electrical resistor and method of making same : en
  • AU164045B2 - Improvements in compressors and pumps : en
  • CA493214A - Brake : en fr
  • AT174917B - Process for the preparation of benzquinoline compounds : de en
  • AU1710353A - Improvements in or relating to clamping apparatus for concrete formwork : en
  • DK75892C - Additive for use in the manufacture of wood pulp and methods for producing wood pulp using this agent. : da en
  • FR1028995A - Elastic bush especially for vehicle spring bearings : en fr
  • US2639900A - Simplified space heating radiator mounted on pipe : en
  • CA493118A - Method and apparatus for opening sheet metal containers : en fr
  • CA493174A - Furnace wall : en fr
  • CA493275A - Rapid ripening of cellulose esters : en fr
  • US2639993A - Basic refractory brick and process : en
  • AU1700753A - Method and apparatus for electrolytic cutting : en
  • DE1656260U - EXTENDING CHILD BED FRAMES. : de en
  • US2639435A - Collar attachment : en
  • AT175023B - Method for determining or regulating the height of the metal level in the mold during continuous casting of metals : de en
  • AT175043B - Centrifugal compressor for vapors and gases for ventilating and venting rooms of all kinds : de en
  • US2640097A - Precision switching assembly for electrical prospecting : en
  • USD169670S - Homan cape : en
  • AT175033B - Side folding bed : de en
  • DE877745C - Process for the deflocculation of finely distributed inorganic substances : de en
  • DE877917C - Magnetic amplifier for small input powers : de en
  • US2639777A - Method and device for imparting lateral movement to an automobile : en
  • US2640072A - Valeric acid derivatives : en
  • DE1656361U - FAILING FOR BICYCLES. : de en
  • US2639682A - Sewing-machine attachment : en
  • AT175011B - Device for treating threads or yarns with various liquids in pipe systems : de en
  • CA493218A - Eyelash curlers : en fr
  • US2639680A - Coupling for joining lengths of trough gutters : en
  • DE1656397U - LOCKING DEVICE FOR DISCONNECTING BLADES OF OVERHEAD LINE DISCONNECTORS. : de en
  • DE1656505U - MAGNETIC COMPASS WITH RANGEFINDER. : de en
  • DE1656598U - DEVICE FOR COMPRESSOR PUMP UNITS FROM NAPHTA BURNING DEVICES. : de en
  • DE878022C - Device for regulating the running of a clockwork equipped with a balance and a spiral spring : de en
  • FR1028628A - Improvements to electrical pulse counters : en fr
  • FR1028725A - Advanced Matrix Holder, Saliva Aspirator, For Dental Care : en fr
  • FR1028751A - Punching machine or other machine controlled by punched cards : en fr
  • FR1028835A - Relaxation oscillator : en fr
  • DE877988C - Shutter device for photographic cameras : de en
  • GB692162A - Improvements in or relating to the preparation of vitamin a and related substances : en
  • CH290970A - Wick burners on fuel containers of friction wheel lighters. : de en
  • DE1656240U - FASTENING OF RING RINGS, SPROCKETS OD. DGL. ON ROTATING DRUMS, E.G. ROTATING TUBE FURNACE. : de en
  • US2639567A - Universal packaging machine : en
  • US2639588A - Barge for offshore well drilling : en
  • DE877675C - Automatic scales with numeric display : de en
  • CH291087A - Device for monitoring the pressure in two or more containers under the same pressure, especially in twin tires of trucks. : de en
  • US2640152A - Control system for cutting apparatus : en
  • AU1699253A - Improvements in and relating to control systems for electric lifts andthe like : en
  • FR1028659A - Improvements relating to the production of alcohols : en fr
  • FR1028886A - Improvements to rotary compressors : en fr
  • CA493136A - Optical glass : en fr
  • US2639612A - Differential tensiometer : en
  • US2639929A - Mower wheel seal : en
  • DE1656365U - INK BALLPOINT PEN. : de en
  • FR1028913A - Improvements in fuel supply equipment for gas turbine engines and similar apparatus : en fr
  • DE877724C - Roulette-like game device with win and loss fields : de en
  • US2639606A - Precast reinforced masonry wall : en
  • USD169716S - Shoe heel : en
  • CA493221A - Polymerization of unsaturated polyesters : en fr
  • DE871033C - Light tube and device for attaching it to an electrical conductor : de en
  • AU1703153A - Improvements in or relating to fluid flow control valves : en
  • US2639628A - Clutch shifting mechanism for geared hand brakes : en
  • US2639610A - Furnace atmosphere indicator : en
  • US2639893A - Safety rope socket for well tubes : en
  • DE877600C - Process for the preparation of ªÏ, ªÏ'-dioxydibutyl ethers and their esters : de en
  • DE877994C - Motorcycle tipping support : de en
  • DE882689C - Procedure for removing the press mandrel from its seat in extrusion presses with an equiaxed operation : de en
  • GR14442B - NEW WAY OF MANUFACTURING RELATED WALL DISHES. : el en
  • US2639576A - Spindle adapter for high-speed strand twisting machines : en
  • USD169708S - Handkerchief or the like : en
  • AU1697853A - Method of treating seed potatoes for retarding sprouting : en
  • US2639572A - Attachment for lawn mowers : en
  • CH291066A - Hollow column to support load-bearing brackets, wedged into transversal millings of the column itself. : en it
  • FR1029121A - Process for separating acid and nitrous impurities from the air and installation for carrying out the process : en fr
  • GB692103A - Improvements relating to holders for surgical and like instruments : en
  • AT174996B - Device for accelerating electrically charged particles : de en
  • CH290953A - Process for treating molten metal in a rotary kiln, and a rotary kiln for carrying out the process. : de en
  • AU161379B2 - Package of flexible material : en
  • AU164496B2 - Improvements in or relating to fluid containers : en
  • AT174963B - Device for the transmission of color television images : de en
  • AU1697553A - Improvements in or relating to methods of making electric discharge tubes and discharge tubes made by means of such methods : en
  • DE1656447U - DANCE AREA FOR DOLLS. : de en
  • DE760522C - Electrolytic capacitor : de en
  • AT174927B - For inserting hectograph sheets with specific frames for addresses : de en
  • US2639841A - Method and apparatus for making collars : en
  • US2639626A - Telescopic steering column : en
  • DE877971C - Tiller pulled by tractors or draft animals : de en
  • CH291089A - Control device with rotating handle for handlebars, in particular for cycles. : en fr
  • DE751827C - Guide track attachment : de en
  • FR1028541A - Improvements to lathes facilitating chip evacuation : en fr
  • FR1028730A - Double ash extraction bowl from large industrial gasifiers : en fr
  • CA493245A - Arsenite catalyst activator : en fr
  • CA493272A - Burial vaults and method of making the same : en fr
  • US2639556A - Pilot operated regulating valve : en
  • US2639804A - Simulated golf club beverage and cup container : en
  • CH290991A - Internal combustion engine with a device for connecting devices to be driven. : de en
  • CH291069A - Sales booth. : de en
  • US2639659A - Broiler : en
  • USD169678S - Brooch os the like : en
  • US2639451A - Portable glass washer : en
  • US2639490A - Formation of metal strip under controlled pressures : en
  • US2639923A - Mechanical puzzle : en
  • US2640060A - Beta-hydroxyethyl-thioanthraquinones : en
  • US2639671A - Self-priming centrifugal pump unit for liquid dispensing apparatus : en
  • CH290850A - Process for the production of threads of hair for weaving into interlinings and stiffening fabrics. : de en
  • DE877645C - Diode voltmeter in which the quiescent current of the measuring diode is compensated by a second diode : de en
  • FR1028566A - Tubular hydraulic cylinder : en fr
  • US2639623A - Belt tightener and slack adjuster : en
  • US2640098A - Electric controlling apparatus : en
  • AT175029B - Dismountable lid : de en
  • US2639494A - Machine tool : en
  • US2639855A - Variable vacuum and pressure rotary pump : en
  • CH291063A - Device for electromagnetic cathode ray deflection. : de en fr
  • AU159457B2 - Composition for stimulating hair growth : en
  • US2639690A - Animal actuated drinking fountain : en
  • US2639849A - Processing container for carbonated beverages : en
  • US2639696A - Two-cycle internal-combustion engine : en
  • CA493253A - Stereoplotting method and apparatus : en fr
  • CA493260A - Process of preparing benzene hexachloride : en fr
  • CH290927A - Instrument for checking internal dimensions. : en fr
  • DE877857C - Musical and physical teaching aid : de en
  • CA19099S - Ornamental table : en
  • CA493187A - Luminescent screen : en fr
  • CH290801A - Insecticidal composition. : en fr
  • CA493195A - Shock absorber : en fr
  • AU157301B2 - Improvements in radar systems : en
  • AT174926B - Device for drawing in and switching forms in writing office machines : de en
  • AU157487B2 - A heater for fluids : en
  • AU1603053A - Improvements in radar systems : en
  • AU161155B2 - Improvements in annular sweep drills and/or hole cutters : en
  • AU161378B2 - Improvements, in or relating to molded pulp carton : en
  • CA493231A - Electrical system : en fr
  • FR1028679A - Device constituting an automatic game : en fr
  • DE748682C - Switching and control device for electrode steam boiler : de en
  • DE758548C - Magnetic electron lens without image rotation : de en
  • DE877677C - Film viewer for eight millimeter cine film recordings : de en
  • US2640034A - Production of mixtures of carbon monoxide and hydrogen : en
  • US2639462A - Hinge construction : en
  • US2639927A - Cable connector : en
  • CA493108A - Hydraulic control of planetary or differential gear assemblies : en fr
  • DE1656552U - VEHICLE RADIO. : de en
  • DE755903C - Condenser bushing : de en
  • DE877528C - Metal cutting machine tool : de en
  • DE877811C - Cylinder for circular knitting machines : de en
  • FR1028701A - Bakery oven : en fr
  • FR1029078A - PH meter : en fr
  • DE1656398U - ELECTRICAL SYSTEM FOR THE GENERATION OF ALTERNATING CURRENTS, PREFERABLY HIGHER FREQUENCY FOR THE PURPOSES OF INDUCTION HEATING. : de en
  • FR1028585A - Process for extracting acetic acid from its aqueous solutions using solvents : en fr
  • FR1028904A - temperature exchange element for industrial applications : en fr
  • FR1029028A - Electric arc furnace : en fr
  • BE519914A - : en
  • DE877752C - Manufacture of tetrapali pyrophosphate : de en
  • DE877854C - Device for cleaning dusty gases : de en
  • FR1028788A - Plane : en fr
  • FR1029056A - Valve seat lapping machine : en fr
  • FR1029060A - Dosing device : en fr
  • CH290915A - Projector for producing living images. : de en
  • AT173085B - Snow removal device : de en
  • AU1703053A - Centrifugal, basket valve mechanism : en
  • AU1023352A - Improvements in or relating to apparatus for clearing irrigation channels, iroads orthe like of sand and soil drift : en
  • BE519696A - LP phonograph records : en fr
  • USD169655S - Lady s handbag : en
  • CH290978A - Safety device for coupling pipes, one of which carries a valve. : en fr
  • DE1656245U - COVER LOCK, ESPECIALLY FOR SUPERHEATERS. : de en
  • DE878013C - Spinning machine with a positive ring rail drive : de en
  • AT175047B - Roof trusses made from lattice girders : de en
  • CA493147A - Mixed grain multi-layer photographic film and process : en fr
  • CA493173A - Energizing spring retainer for one-way clutches : en fr
  • CH290878A - Process for the distillation and rectification of liquids. : de en
  • CH291017A - Feed-through device at the ends of electrical cables which are exposed to internal pressure and which are inserted into a housing, process for their production and bridging element for carrying out this process. : de en
  • CH290943A - Apparatus for generating mechanical vibrations at ultrasonic frequencies. : de en
  • CH290989A - Volumetric pump. : en fr
  • DE1656219U - WRISTWATCH PROTECTIVE STRAP. : de en
  • CH290947A - Racket for timepiece. : en fr
  • DE877718C - High heel nailing machine : de en
  • CH290918A - Device for developing blueprints with gaseous media. : de en
  • DE756603C - Notching machine with a guide frame mounted on a chassis so that it can be tilted about a horizontal axis : de en
  • FR1028666A - Collector truck and, in particular, refuse collection truck : en fr
  • FR1028953A - Process for preparing molded particles containing aluminum oxide : en fr
  • FR1029038A - Copy book, said manifold, with sachets : en fr
  • US2639443A - Support for bed framework : en
  • BE519986A - : en fr
  • AT175035B - table : de en
  • US2639931A - Coupling for earth boring units : en
  • US2640130A - Thermostat : en
  • US2640081A - Process for manufacturing benzidine type compounds : en
  • US2640154A - Achromatic lens antenna : en
  • US2640179A - Electric motor and stabilizing means therefor : en
  • CH290806A - Reinforcement for prestressing concrete. : de en
  • CA493079A - Bathing cap : en fr
  • CH291006A - Refrigeration system. : de en
  • CH291070A - Apparatus for dispensing self-adhesive tape. : de en
  • DE1656503U - GEODAETIC INSTRUMENT. : de en
  • FR1028604A - Improvements to trailers and other similar vehicles : en fr
  • GB692146A - A vertical drilling machine with a revolvable head carrying a plurality of chucks : en
  • CA493234A - Photo-electric device : en fr
  • CH291086A - Passenger cars composed of at least two cells. : de en
  • CH290904A - Process for the production of a condensation product from the organic matter contained in the sulphite waste liquor. : de en
  • DE877947C - Process for peeling or re-peeling logs : de en
  • DE1656554U - DOUBLE BICYCLE SADDLE CUSHIONS. : de en
  • CA493266A - Methods and apparatus for bonding wear-resistant facing elements to machine elements : en fr
  • FR1029087A - Coupling device for polysocs, semi-mounted and offset plows : en fr
  • GB692129A - Improvements in the production of carbon black : en
  • FR1028816A - Electric motor driven hand-held device with plate-shaped cutting tool : en fr
  • DE1656537U - MOMENT RELEASE FOR MUSIC WORKS. : de en
  • DE1656600U - STRAIGHT KNITTING NEEDLE WITH REINFORCED KNITTING TIP. : de en
  • DE877628C - Method for insulating an electrical conductor with a tape : de en
  • GB692156A - Improvements relating to dynamo-electric machines : en
  • US2640105A - Wave transmission system and method for synthesizing a given electrical characteristic : en
  • FR1029033A - Ratchet wrench with reverse direction : en fr
  • GB691918A - A method and apparatus for extracting sugar from sugar beet : en
  • GB692002A - Improvements in or relating to spirit levels : en
  • IE20457L - Cylindrical cathodes : en
  • DE877953C - Injection mold : de en
  • FR1028755A - Device for calling and regulating in powerline transmission systems : en fr
  • US2639689A - Paste applicator for wrapping paper : en
  • US2639921A - Spinning top : en
  • US2640018A - Method of steam distillation : en
  • FR1028948A - Improvements to gas turbine engine ignition systems : en fr
  • FR1028720A - Arrangement of collector brushes : en fr
  • FR1029069A - Rotary agglomerate press : en fr
  • AT175012B - Process for the production of an easily spinnable solution from polyacrylonitrile, its copolymers and mixed polymers : de en
  • GR14448B - SPECIFIC BOTTLE CAN BE USED TO BOTTLE TWO DIFFERENT LIQUIDS INSIDE THE SAME BOTTLE. : el en
  • FR1028962A - advanced equipment for forming, examining and projecting three-dimensional images and other : en fr
  • DE1656242U - WRAP SKIRT. : de en
  • DE1656285U - BRAKE HINGE STRAP. : de en
  • DE1656400U - FLUORESCENT CEILING OR WALL LAMP. : de en
  • FR1029098A - Method and control device for bar casting of metals such as iron or steel : en fr
  • DE877613C - Process for the preparation of alkyl derivatives of ª‰-[2-oxynaphthyl-(6)]-propionic acid with ovarian hormone activity : de en
  • DE878017C - Automatic premix silo : de en
  • FR1028789A - Improvements to loading devices called catapult loaders : en fr
  • GB692147A - A detachable container for vehicles, fitted with a hinged drop door : en
  • US2639879A - Ironing board holder : en
  • US2639903A - Torque converter for mixing drums : en
  • GB692035A - Improvements relating to electrical viscometers : en
  • FR1028748A - Improvements to devices for supporting or supporting panels, such as labels or the like : en fr
  • CH291050A - Carbon dioxide fire extinguishing system. : de en
  • AT175045B - Liquid atomizer, in which liquid particles are thrown against impact surfaces by centrifugal force and atomized on them, especially for air humidification : de en
  • AU1710953A - Improved process for applying protective coverings : en
  • GB692096A - Improvements in or relating to printing machines : en
  • GB692151A - Improvements in polymers : en
  • FR1029083A - Portable projection device : en fr
  • GB691920A - Method and apparatus for producing phospho-nitrogenous fertilisers : en
  • GB691926A - Vehicle window regulators : en
  • FR1028812A - Method and apparatus for mixing plastics : en fr
  • FR1028993A - Process for the separation of hydrogen halides from olefinically unsure organic compounds : en fr
  • FR1028569A - Clothing : en fr
  • CA493167A - Preparation of terephthalic acid : en fr
  • AU163752B2 - Method of producing resin bonded moulds and cores, moulds and cores so formed, methods of casting using these, and castings made thereby : en
  • CA493149A - Vapor lamp and system : en fr
  • CH290909A - Punching tool. : de en
  • FR1028897A - Statistical chronometer tachometer : en fr
  • DE1656349U - WIPER DRIVE. : de en
  • DE1656357U - VENTILATION JET, ESPECIALLY FOR WINDSHIELDS. : de en
  • GB691902A - Improvements in supply circuits for electric discharge tubes : en
  • CA493255A - Transmission : en fr
  • FR1028577A - Pneumatic pad for a sling, harness, thong, or the like, intended to be supported by a part of the body of a human or an animal : en fr
  • DE877592C - Method and device for manufacturing yarn packages : de en
  • DE1656337U - TRANSPORT CARTON FOR YOUNG POULTRY. : de en
  • DE758472C - Communication system for electrical rail operations : de en
  • DE1656307U - NOTEPAD HOLDER. : de en
  • DE1656201U - FACE SHIELD, ESPECIALLY FOR SPORTS PURPOSES OR. DGL. : de en
  • DE877463C - Vehicle body, especially for railroad cars : de en
  • FR1028920A - Mounting of an automatic signaling device to digitally set a switch using a selective marking method : en fr
  • FR1029079A - Display device for flat items such as stockings : en fr
  • DE877516C - Device for recording the changes in length of a pipeline caused by thermal expansion : de en
  • DE877651C - Gas generator, especially for the suction gas operation of motor vehicles : de en
  • GB692111A - Improvements connected with tractor drawn lawn mowers : en
  • DE1656380U - HANDLE FOR SPATULA AND THE LIKE. WORK TOOLS. : de en
  • DE877557C - Rear axle transverse drive block : de en
  • FR1028586A - Round roof tile with stop bead : en fr
  • FR1028603A - Improvements to carbon paper boxes : en fr
  • GB692109A - Improved process for the manufacture of sulphuric acid : en
  • GB691932A - Improvements in pre-combustion chamber diesel engines : en
  • US2640066A - Organo silicon compounds and their preparation : en
  • DE877687C - Core tip : de en
  • DE877751C - Production of trialkali phosphate from phosphorous acid or its salts : de en
  • DE1656264U - WHEEL PLOW WITH SUCTION RUBBER. : de en
  • US2639503A - Guide attachment for hair clippers : en
  • DE1656430U - PILLOW HOLDER. : de en
  • DE1656462U - LADIES SKIRT, PREFERABLY PLISSE SKIRT. : de en
  • DE877480C - Cage drum : de en
  • FR1029062A - Dry powder fire extinguisher and apparatus intended to launch and direct this product : en fr
  • DK75881C - Mechanism for mutual locking of telescopic-like displaceable cane parts for umbrellas. : da en
  • FR1028672A - Drill for digging holes in the ground : en fr
  • FR1028877A - Device for adjusting the exposure determining values on cameras : en fr
  • FR1028923A - Improvements to electrical modulators : en fr
  • GB691923A - Improvements relating to the operation of blast furnaces : en
  • GB692020A - Improvements in or relating to aircraft provided with crash or impact detecting devices : en
  • US2640144A - Indicator illuminating device : en
  • US2639894A - Pipe and casing tongs : en
  • US2640178A - Speed and voltage control of stator fed alternating current commutator motors and frequency converters : en
  • DE1656255U - DEVICE FOR HANGING OBJECTS OF ANY KIND. : de en
  • FR1028651A - Ski carrier for motor vehicles : en fr
  • FR1028898A - Container for paint and similar materials : en fr
  • FR1029088A - Removable filter or strainer frame : en fr
  • US2640008A - Absorption method for separating hydrocarbon gases : en
  • DE1656269U - SALES STAND FOR ROLL-UP BRAIDES AND FABRICS. : de en
  • DE752586C - Process for the production of artificial fibers with reduced swellability and good loop strength using the viscose process : de en
  • DE1656428U - QUICK SWITCHING DEVICE FOR DRUM TURNING PLATES WITH LONG, HORIZONTAL SHIFTING AXLE. : de en
  • FR1028558A - Process for secreting hair or the like : en fr
  • GB691961A - Improvements in or relating to electric heating apparatus for typesetting and composing machines and the like : en
  • GB692000A - An improved method of and device for delivering liquids from sealed cans and like containers : en
  • DE760455C - Unwinding device in which a three-phase asynchronous machine is used for braking with three-phase current : de en
  • DE1656312U - CONTROL CABINET FOR RAILWAY SAFETY DEVICES. : de en
  • DE1656560U - PLASTIC HEEL. : de en
  • DE754618C - Obtaining 1, 12-benzoperylene or coronene or both : de en
  • DE877569C - Door lock for motor vehicles : de en
  • FR1028503A - Self-winding watch movement : en fr
  • US2639828A - Extracting device for bakery products : en
  • US2639654A - Scraper-type cultivator tool : en
  • DE756423C - Booking machine with push-fit device : de en
  • AT174936B - Device for induction coils for heating workpieces : de en
  • CH291091A - Rail lubrication device mounted on a vehicle traveling on a railway track. : en fr
  • DE757718C - Process for the production of super polyamides : de en
  • DE878040C - Method and machine for producing wire nets : de en
  • FR1028660A - Zinciferous material smelting process : en fr
  • DE877494C - Transportable house : de en
  • DK75894C - Support foot for luggage carriers placed on the roof surface of motor vehicles. : da en
  • DE1656584U - HOLDING DEVICE FOR GLASS LUMINAIRES (BOWLS WITH CENTER HOLE). : de en
  • US2639872A - Yarn package formation : en
  • DE1656521U - BEARING FOR ROTATING AND AXIAL SLIDING SHAFTS. : de en
  • CH291025A - Device for generating a constant current. : de en
  • FR1028545A - olive elevator : en fr
  • US2639818A - Folding clothes pole : en
  • US2639782A - Separation of hydrocarbons : en
  • US2640111A - Shoulder support for telephone hand sets : en
  • US2639427A - Box nailing machine : en
  • US2639631A - Mechanism for power transmission : en
  • US2639974A - Method of separating uranium from its ores : en
  • AU165438B2 - Improvements in the electrode position of copper from an acid bath : en
  • CA493242A - Apparatus for reducing excessive lubricant on reciprocating bodies : en fr
  • CH290825A - Process for the manufacture of glass and apparatus for carrying out this process. : en fr
  • FR1028975A - Door lock : en fr
  • FR1028567A - Electric discharge tube control device : en fr
  • GB692014A - Improvements in or relating to dynamo-electric pulse generators : en
  • US2639438A - Joint or coupling between tank ball and lift rod : en
  • FR1028900A - Process for treating non-woven cellulosic materials with modified acid resin colloids and materials according to those obtained by this or similar processes : en fr
  • DE883085C - wheel : de en
  • CA493244A - Machine tool : en fr
  • CH291036A - Lighting device. : en fr
  • CH291076A - Container. : de en
  • US2639721A - Hydraulic servo mechanism : en
  • US2639918A - Display projector : en
  • US2640062A - 1-amino-2-hydroxyalkyl mercapto-4-hydroxy anthraquinone dyestuffs : en
  • US2640065A - Production of organosilanes : en
  • DE877748C - Process for the production of hydrofluoric acid : de en
  • US2639737A - Motor driven reciprocating saw : en
  • US2639864A - Method of and apparatus for winding precision resistors : en
  • US2640150A - Tuner : en
  • GB692046A - Improvements in or relating to means for circulating the heated atmosphere within a furnace : en
  • DE1656209U - BATH STOVE. : de en
  • DE1656576U - SINGLE PACK FOR STOCKINGS. : de en
  • FR1029014A - Apparatus for manufacturing profiles, in particular metal strips : en fr
  • AT174902B - Process for the preparation of 2-dichloroacetamido-1-p-nitrophenylpropane-1,3-diol : de en
  • AT174998B - Process for increasing the shelf life of silicone coatings : de en
  • AU1711453A - Improvements in and relating to parachutes : en
  • CH291112A - Process for the preparation of a new quaternary ammonium compound. : de en
  • DE878015C - Cigarette : de en
  • GB691938A - Improvements in or relating to compressors for cigarettes : en
  • US2639981A - Apparatus for mixing hypochlorite solutions : en
  • FR1028546A - Mechanical traction trailed plow front end with devices using hydraulic cylinders, allowing the instruments to be pressed down and raised to a quasi-vertical position, with locking in both positions : en fr
  • DE877702C - Automatic control for aircraft : de en
  • FR1028606A - Key ring system : en fr
  • GB691936A - Improvements in or relating to the spring suspension of the wheels of road vehicles : en
  • GB692163A - Improvements in or relating to apparatus for crushing ashes of human bodies : en
  • DE1656568U - DEVICE ON THE FOOTWEAR FOR HOLDING THE TONGUE. : de en
  • DE755742C - Circuit arrangement for blocking a cathode ray deflected with coils during its return in television transmitters and receivers : de en
  • DE877797C - Design for electricity meter or the like. : de en
  • US2639635A - Indenting press for the hollow arbor of a cannon pinion : en
  • DE764509C - Bearing metal : de en
  • DE877554C - Monitoring device for lung-controlled altitude breathing devices : de en
  • US2639577A - Novelty clock device : en
  • FR1028843A - Improvements with power hammers : en fr
  • AU158387B2 - An improved trenching machine : en
  • AU1711853A - Slushing scraper : en
  • CA493115A - Method of preparing n-alkyl-substituted-1,2,3,4-tetrahydroquinolines and n-alkyl-substituted-1,2,3,4-tetrahydroisoquinolines : en fr
  • CH291022A - Arrangement for interrupting electrical circuits in the event of a sudden increase in current. : de en
  • FR1028771A - Process for the isolation of glucuronic acids and their derivatives : en fr
  • DE877617C - Method and device for bending and edging sheet metal and plates : de en
  • DE877847C - Infinitely variable friction gear : de en
  • FR1028862A - Method and device for executing foundations : en fr
  • FR1028587A - Improvements to the processes for obtaining crystallized aluminum triformate : en fr
  • FR1028657A - Method and device for assembling a stud in a plate applicable, in particular, to the fixing of electrical terminals : en fr
  • FR1028903A - Static electric transformer transforming two-phase and three-phase currents into single-phase current : en fr
  • GB692127A - Improvements in or relating to pull-chain or cord-operated switches : en
  • US2640037A - Fatty acid salts of nitrogencontaining polyethers : en
  • DE877865C - Device for air improvement in means of transport : de en
  • US2639608A - Brick and tile laying machine : en
  • US2640102A - Current transformer : en
  • US2639437A - Mechanical hand : en
  • US2639675A - Automatic boiler feed : en
  • GB691929A - Improvements in or relating to the preparation of higher alkyl sulphates : en
  • US2639829A - Fork truck having pivotally mounted extension for high level dumping : en
  • US2639912A - Weighing scale : en
  • FR1028690A - Hypodermic syringe holder box : en fr
  • FR1028705A - Mixing device for molding sand : en fr
  • FR1028744A - Lighter : en fr
  • GB691919A - Single spindle automatic lathe : en
  • DE1656293U - TUBE CLOSURE. : de en
  • DE1656316U - ARRANGEMENT FOR FASTENING SMALL ELECTRICAL EQUIPMENT IN AT LEAST TWO-PIECE HOUSING. : de en
  • DE1656530U - CONTROL ROD FOR ROTARY VALVE AND SCREW VALVE ON SINGLE BELLOW AND DOUBLE BELLOW GAS METERS. : de en
  • AT175022B - Centrifugal casting machine : de en
  • AT175028B - Comb : de en
  • CH290931A - Thermostat. : en fr
  • FR1028777A - Improvements made to processes and devices for finishing the surfaces of parts or structures : en fr
  • US2639755A - Chain machine : en
  • US2640024A - Electrophoretic borating of copper wire : en
  • US2639951A - Swing stage scaffold : en
  • DE1656477U - GARDEN UMBRELLA STAND. : de en
  • DE758547C - Magnetic electron lens : de en
  • DE877855C - Device for cleaning dusty gases : de en
  • FR1028676A - Burst toy : en fr
  • FR1029086A - Rail loading device : en fr
  • FR1028645A - Arrangement for parallel operation of asynchronous electric motors : en fr
  • DE1656304U - PIPE CONNECTION FOR BLOWING OR FLUSHING PIPES. : de en
  • FR1028612A - Extendable Body Trailer : en fr
  • FR1028875A - High visibility road signs : en fr
  • DE1656412U - GRIFFIN CLAW FOR ARM PROSTHESES. : de en
  • DE1656566U - FOOTBALL AND HANDBALL BOOTS WITH INTEX LACING. : de en
  • FR1028548A - Bottle packaging : en fr
  • FR1028848A - Method for controlling reactions in hot gas mixtures participating in these reactions : en fr
  • AT174965B - Power clamp : de en
  • FR1028847A - Method for operating equipment used to propel a vehicle by means of a gas turbine, and equipment operated according to this method : en fr
  • GB692099A - Improvements in and relating to electric motor control systems : en
  • FR1028804A - Vehicle-worn induction receiver : en fr
  • GB692120A - Improvements in or relating to devices for collocating substantially rectangular packages : en
  • AT174951B - Compensation of the external voltages transmitted into the symmetrical line circuits by remote power supply : de en
  • AU160043B2 - Method of avoiding explosion Hazards inthe vapour drying and preservative treatment of wood : en
  • CA493259A - Containers : en fr
  • US2639525A - Automatic three-dimensional display device : en
  • US2639652A - Motorized trench roller : en
  • FR1028538A - Maneuvering cylinder for machine tool parts holder : en fr
  • FR1028631A - New neutral esters of thiophosphoric acid and process for obtaining them : en fr
  • FR1028685A - Mobile safety track for elementary practical education of student drivers of multi-speed motor vehicles : en fr
  • GB692069A - Process of heat-setting elastic oriented polyamide fibres, filaments, yarns, threads and like structures : en
  • DE763449C - Reversing device for internal combustion engines : de en
  • DE877450C - Process for the oxidation of propylene and isobutylene : de en
  • DE877801C - Carbon replenishment device for projection arc lamps : de en
  • FR1028758A - Improvements to the processes for preparing a vitamin composition : en fr
  • FR1028896A - Electrical control system for machine tools : en fr
  • GB691903A - Improvements in and relating to electromagnetic devices : en
  • GB692149A - Method of and apparatus for cutting paper and like tubular webs : en
  • US2639543A - Smoke-simulating toy gun and ammunition : en
  • FR1029007A - Installation and device for controlling the sugar content of grapes and other fruits : en fr
  • DE1656479U - SUPPORT AND LUGGAGE SCOOTER : de en
  • IE20646L - Electric discharge tube cathodes : en
  • DE759533C - Arrangement for stepwise switching on of capacitors : de en
  • GB691908A - Polymerization process : en
  • FR1028719A - Protector applicable to the free edge of a wall from which an object is suspended during, for example, a stylograph : en fr
  • FR1029143A - Self-reinforcing brake, especially for motor cars : en fr
  • DE1656391U - COVER FOR ACCUMULATOR BATTERIES, ESPECIALLY MOTORCYCLE BATTERIES. : de en
  • DE1656301U - USE FOR BAKING TRAYS. : de en
  • DE877506C - Method for the determination of gaseous oxygen compounds in gas mixtures : de en
  • GB691981A - Device applicable to vehicle wheels having pneumatic tyres, with a view to enabling the inner tube to be dispensed with : en
  • CA493238A - Circuit-arrangement for controlling the frequency of valve oscillator : en fr
  • CH290815A - Device for storing the slats of ventilation flaps. : de en
  • FR1028863A - Manufacture of short-circuit rings for electromagnets, starting from a metal tube of any profile : en fr
  • GB692076A - Improvements in or relating to gelatin dynamite explosive compositions : en
  • DE877661C - Sectional boiler for upper burnout, made of undivided individual sections : de en
  • GB692092A - Improvements in apparatus for loading weighed quantities of material into a receptacle such as a mixing drum : en
  • DE1656351U - AXLE TUBE STORAGE, ESPECIALLY FOR MOTOR VEHICLES. : de en
  • DE877840C - Beet harvesting device : de en
  • DE877728C - Circuit for monitoring at least two pulse generators that work precisely in time, especially for sympathetic slave clock networks : de en
  • FR1028526A - Mechanical rowing boat : en fr
  • FR1029024A - Improvements in alkyl acrylate polymers : en fr
  • DE878012C - Installation of a folded and soldered side seam with can frames made of sheet metal blanks and for covering the inside of the side seam of the cans with varnish : de en
  • FR1029068A - Device acting as both an electromagnetic clutch and an alternator : en fr
  • AU1700953A - An arrangement forthe joining of frame members of windows andthe like : en
  • BE519817A - IMPROVEMENTS TO CONSTRUCTION ELEMENTS AND, IN PARTICULAR, TO ELEMENTS COMPOSED OF SLIT METAL BARS, WITH ANGULAR SECTION : en fr
  • GB692122A - Pyran derivatives and process for the manufacture thereof : en
  • FR1028800A - Pressurized brake release indicator system : en fr
  • GR14444B - SEA BICYCLE. : el en
  • GB692170A - Improvement relating to change-speed gearing : en
  • GB692172A - Oleaginous compositions suitable for use as hydraulic fluids and lubricants : en
  • DE877690C - Device for producing a tight connection between parts of a container to be produced from cold-weldable metal : de en
  • DE877963C - Procedure for testing used pickling fluids : de en
  • DE878010C - Device for adjusting several templates connected with scissors-shaped carriers : de en
  • GB692110A - Improvements in multicopy attachments for typewriting machines : en
  • DE1656597U - BAR OF SOAP WITH DEVICE FOR HANGING. : de en
  • FR1028674A - Glass assembly process in metal doors : en fr
  • DE759626C - Self-extinguishing discharge section : de en
  • FR1028827A - Improvements to wire feed drums : en fr
  • FR1029061A - Method and device for the execution, by perforation, of underground tubular conduits in non-coherent terrain : en fr
  • DE877660C - Foldable table with scissor-shaped base : de en
  • DE878046C - Swingable knocking hammer, driven by a common oscillating shaft, for vibrating parts of the electrostatic precipitator : de en
  • CH290921A - Wooden bar spar. : de en
  • US2640165A - Ceramic transducer element : en
  • DE759483C - Process for the preparation of aliphatic or araliphatic dicarboxylic acids or their salts : de en
  • DE875767C - Protection for hydraulic shock absorbers in motor vehicles : de en
  • DE767774C - Control procedures for broadcast procedures to prevent targeting according to : de en
  • DE1656390U - SCALE ATTACHED TO THE BASE, IN PARTICULAR FOR RADIO RADIO : de en
  • GB692106A - Improvements in or relating to manually or foot operated wire stitching machines : en
  • DE1656332U - PLANT ARRANGEMENT. : de en
  • DE1656436U - CANOPY SLIDING ON SIDE WINDOWS. : de en
  • DE1656336U - TILTABLE FEED TROUGH FOR PIGS. : de en
  • GB691982A - Improvements in braking control systems for winders and the like : en
  • GB692118A - Improvements in or relating to means for supporting stretchers in ambulances : en
  • AT175042B - Tap, especially for radiators : de en
  • AU1104052A - An improved trenching machine : en
  • US2639705A - Flame arrester : en
  • US2640095A - Coaxial cable splice and methods of making it : en
  • US2640106A - Instantaneous frequency monitor : en
  • US2639501A - Pipe cutter : en
  • US2639718A - Combined cigarette support, extinguisher, and economizer : en
  • US2639813A - Bicycle rack : en
  • US2640112A - Ultrahigh-frequency electron tube : en
  • US2639460A - Door check and holding device : en
  • US2639989A - Treatment of cellulosic pulps : en
  • DE759573C - Universal joint used to drive motor vehicles : de en
  • DE877930C - Closing lock for circuit breakers and disconnectors : de en
  • FR1028670A - Quick-release chuck sleeve gripping device : en fr
  • FR1028969A - New materials distribution pylon and method for the installation of such a pylon : en fr
  • FR1028619A - Electro-thermal valve for remote opening of fluid circuits : en fr
  • AU159426B2 - Improvements in or relating to heat transfer media : en
  • CH290912A - Printing device. : en fr
  • US2639902A - Digester tower : en
  • DE757163C - Circuit for braking three-phase motors : de en
  • FR1029025A - Welded joint : en fr
  • GB692022A - Improved body cleansing agents : en
  • DE1656360U - DYNAMIC SHIFT. : de en
  • DE1656374U - LAMP SHADE CASE. : de en
  • DE1656358U - LIGHT ALLOY HUB FOR RUNNING WHEELS OF MOTORS. : de en
  • FR1029029A - Horizontal slicing machine for veneer lumber and other uses : en fr
  • FR1029080A - Improvements made to devices for measuring dimensions on parts, in particular those for measuring toroidal groove diameters : en fr
  • GB692019A - Improvements relating to tyres for vehicle wheels : en
  • DE877777C - Setup for automatic signal systems with cover signals for platform tracks : de en
  • GB691944A - Improvements in or relating to dead or even-weight weighing machines : en
  • DE877813C - Endless rope and its method of manufacture : de en
  • DE878038C - Press for drawing workpieces from sheet metal : de en
  • DE1656417U - CIRCUIT FOR BLADE-OVER AUDIO FREQUENCY AC VOLTAGES, TAKING INTO ACCOUNT A TIME CONSTANT. : de en
  • CH290866A - Process for the production of women's shoes which have a midsole framed by a cover strip. : de en
  • DE1656508U - INTERCHANGEABLE DOUBLE POLE SHOE WITH ATTACHMENT. : de en
  • DE1656515U - WATCH STRAP WITH WELDING BACKING. : de en
  • DE877726C - Device for achieving a higher conveying capacity and for overcoming the incline of the conveying levels, especially with loading machines in mining operations : de en
  • CA493249A - Lighter construction : en fr
  • US2639632A - Forging machine : en
  • FR1028609A - Device for automatically stopping pendulum chimes : en fr
  • GB691994A - Improved multi-colour sheet printing machine : en
  • DE762787C - Process for the production of a low-boiling gas, in particular for the production of methane from coke oven gas : de en
  • DE877990C - High pressure centrifugal pump with stuffing boxes : de en
  • FR1028840A - Process for the production, in granulated form, of hot-molding aminoplasts : en fr
  • CH290988A - Centrifugal pump, especially for viscous media. : de en
  • DE877444C - Relay view card : de en
  • DE878014C - Cigarette, cigar or the like : de en
  • FR1028519A - Process for sealing castings made of magnesium or magnesium alloys and products conforming to those obtained by this process : en fr
  • FR1029023A - Process for the preparation of derivatives of diamino-1,4-benzenesulfonic acid-nu4 : en fr
  • DE878042C - Process for smoldering coals using combustion gases or other heated gases or vapors : de en
  • IE20413L - Incandescent mantle fitting : en
  • DE877441C - Device for trimming wire brushes : de en
  • DE877715C - Device for the production of lens carriers : de en
  • DE877902C - Exhaust steam or exhaust gas turbine unit attached to a piston engine : de en
  • CH290939A - Accounting machine. : en fr
  • DE877526C - Process for achieving temperature-resistant corrosion protection with a high number of radiation for electrical heating devices : de en
  • FR1028564A - Device for fitting and removing piston rings : en fr
  • US2640099A - Hearing aid test structure : en
  • US2639476A - Awning structure : en
  • US2639843A - Method and apparatus for the manufacture of collars : en
  • AU1709753A - Improvements in or relating to garment and like presses : en
  • CH290877A - Method of manufacturing cigarettes with tips and apparatus for its implementation. : en fr
  • CH291052A - Time recorder. : de en
  • US2639909A - Tower packing : en
  • US2639863A - Hammer and wear-plate structure for attrition pulverizers : en
  • AU163077B2 - Improvements in thermal apparatus for production of hot gases and particularly to boilers for the generation of hot water and / or steam : en
  • AU154175B2 - Improvements in or relating to braiding machines : en
  • DE1656388U - DEVICE FOR LAYING A LAUNDRY ROPE. : de en
  • AU158187B2 - Improvements in clack valves : en
  • CA493089A - Electrode structure for vacuum tube : en fr
  • CA493117A - Polymerization of unsaturated compounds : en fr
  • US2639834A - Fastening means for closures : en
  • US2639956A - Laterally moving detachable leg construction : en
  • CA493105A - Flexible soled shoes : en fr
  • CH291105A - Process for the preparation of a new aldehyde derivative. : de en
  • DE1656457U - REFILL PACK FOR BEAN WAX, BEAN STAINLESS, SHOE CREAM OD. DGL. : de en
  • DE877979C - Nozzle with distribution plate arranged transversely to the flow channel, in particular for devices for combating plant pests : de en
  • US2640023A - Photochemical production of branched paraffinic hydrocarbons : en
  • USD169691S - Link chain for a bracelet or the like : en
  • US2639500A - Can punch : en
  • US2639941A - Self-elevating sprinkler head and system : en
  • JPS282415B1 - Zinc-silver accumulator : en ja
  • US2639446A - Machine for operating on shoes : en
  • US2639749A - Combination brief case and hand protecting pocket : en
  • DE1656478U - TABLE CLAMP FOR GARDEN UMBRELLA. : de en
  • AU1711353A - Improvements relating to parachutes : en
  • CH290834A - Ladder. : en fr
  • CH290945A - Clock with rotating drums mounted on the circumference, bearing the hour and minute numbers. : de en
  • US2640172A - Hyperfrequency vacuum tube : en
  • US2640107A - Telephone pay station circuit : en
  • BE519859A - Resin products derived from mixed esters of glycols and urethanes of glycols and process for obtaining these products : en fr
  • CH290845A - Spinning spindle. : de en
  • DE1656541U - WAGON BODY WALL FOR VEHICLES. : de en
  • AT175008B - Electromagnetic compressor or electromagnetic pump : de en
  • DE1656506U - MAGNETIC COMPASS WITH INDICATOR. : de en
  • CH290804A - Device for receiving means for eradicating garden vermin. : de en
  • US2639664A - Sheet conveyer : en
  • US2640147A - Hinged light bulb protector : en
  • US2639887A - Nail pulling device : en
  • AT174974B - Impulse generator : de en
  • AU1018752A - Improvements in or relating to domestic washing machines : en
  • CA493067A - Pit props and the like : en fr
  • AT174906B - Process for the preparation of new derivatives of benzothiazoles : de en
  • AU1703553A - Electrical control circuit for fluid pressure power feed mechanisms : en
  • US2639768A - Storm window construction : en
  • US2639881A - Electrical fixture : en
  • CH290889A - Process for the production of aliphatic dinitriles by cyanination. : en it
  • CH291038A - Bicycle lamp with a drying element. : de en
  • US2639823A - Tin can stacker : en
  • CA493085A - Guiding support for a reciprocating saw : en fr
  • CH290944A - Interference microscope. : de en
  • DE877586C - Schraemmaschine : de en
  • FR1028779A - Hydraulic cylinder work coordination valve : en fr
  • US2639888A - Railroad car moving jack : en
  • US2639653A - Means for producing microphotographs having a three-dimensional effect : en
  • US2639975A - Processes for the preparation of white zinc oxide, starting from carbonated zinc ores : en
  • AU1700253A - Fluid pressure power feed mechanisms : en
  • DE877717C - Pre-stitching machine and method for pre-stitching and shaping shoe shafts : de en
  • DE877736C - Conveyor means with revolving pulling element and flaps attached to it so that it can pivot : de en
  • DE878043C - Countercurrent extraction system : de en
  • FR1028838A - Closure strip for packaging and labeling of various products : en fr
  • GR14451B - NEW WAY OF PACKAGING CONFECTIONERY PRODUCTS. : el en
  • USD169706S - Handkerchief or the like : en
  • AT175021B - Process for the production of metallic hollow bodies : de en
  • AU1700853A - Method of distributing particles and abrasive articles : en
  • CA493132A - Optical glass : en fr
  • US2639770A - Small gun for perforating casing in oil wells : en
  • AT174910B - Process for the preparation of new isonicotinyl hydrazine derivatives : de en
  • US2639775A - Rotative wing aircraft : en
  • USD169710S - Handkerchief or the like : en
  • AU1701053A - A process forthe production of carboxylic acids : en
  • CA493158A - Supporting means for flexible conduits in hydraulic control systems : en fr
  • CH290969A - Stretch metal strap for wristwatch. : en fr
  • DE877678C - Room image viewer : de en
  • GB691909A - Improvements relating to negative feedback amplifiers : en
  • AT175039B - Radiant heating combined with convection heating using permanent fire heating inserts, especially for use in ovens with ceramic cladding : de en
  • US2639687A - Apparatus for producing glare screens : en
  • US2639961A - Vending machine cabinet : en
  • AU158979B2 - Improvements in or relating to domestic washing machines : en
  • CH290949A - Automatic winding device for a watch and in particular for a wristwatch. : en fr
  • CA493177A - Automobile traffic signal detector : en fr
  • DE877496C - Process for the production of buildings from prefabricated parts and prefabricated parts for the implementation of the process : de en
  • DE882437C - Electric line, in particular cable of the jacket tube type : de en
  • US2639604A - Outboard motor lock : en
  • US2639867A - Tape reel mounting : en
  • US2639666A - Rotary printing machine : en
  • US2640090A - Battery : en
  • BE519658A - : en
  • CH290836A - Pot. : de en
  • DE763777C - Self adjusting camp : de en
  • DE877419C - Ship equipped with board cranes, especially board luffing cranes : de en
  • FR1028534A - Automatic electric current cut-off device : en fr
  • FR1028985A - Method and apparatus for contacting gaseous materials with finely divided solids : en fr
  • GB692061A - Process for the sulphonation of alkylated aromatic hydrocarbons : en
  • GB692115A - Improvements in processes of manufacturing preparations containing physiologically-active oxidation-sensitive substances, more particularly vitamins and/or hormones : en
  • CA493196A - Hose coupling : en fr
  • CH291107A - Process for the preparation of a new quaternary ammonium compound. : de en
  • CH290998A - Fuel injection pump. : de en
  • CA493160A - Retained and guided endless conveyor for corn-husking mechanisms and the like : en fr
  • DE877846C - Process for the production of sealing rings for shut-off devices : de en
  • FR1028824A - Improvements to spray jets : en fr
  • CH291047A - Process for preparing 7-chloro-4- (5 '- (N-ethyl-N-B-hydroxyethyl) amino-pentyl-2') - amino-quinoline. : en fr
  • DE877595C - Process for the production of crystallized acid ammonium pyrophosphate : de en
  • DE877883C - Body-shaping undergarment : de en
  • AT175007B - Detachable acetylene gas burner : de en
  • CA493178A - Brightening agents and process for their manufacture : en fr
  • AU1701253A - Feel simulator system for aircraft : en
  • CA493262A - Compounded lubricants : en fr
  • DE1656581U - PANTS PAD FOR CYCLISTS. : de en
  • DE877924C - Terminal base for busbars and branch bars : de en
  • US2639642A - Valve seat reamer : en
  • US2639650A - Prefabricated runway construction : en
  • GB692017A - Improvements in thermally-actuated electric switching arrangements : en
  • GB692032A - Improvements relating to radio and television receivers : en
  • AU1710553A - Method of producing resin bonded moulds and cores, moulds and cores so formed, methods of casting using these, and castings made thereby : en
  • AT174920B - Process for the preparation of the new 4-amino-5-keto-1,3,4,5-tetrahydro-benz (cd) indole : de en
  • CA493070A - Casting of concrete units : en fr
  • DE877440C - Tensioning and storage device for washing wringing and ironing machines : de en
  • DE883011C - Checker for electrical lines : de en
  • US2640085A - Manufacture of alcohol : en
  • US2639605A - Outboard motor lock : en
  • US2639732A - Weaving machinery and control : en
  • US2639796A - Machine control means : en
  • US2640076A - 1-phenyl-2 (methyl-camphosulfonyl) amino propanols : en
  • US2640113A - Solenoid controlled cord reel : en
  • DE882391C - Countercurrent washing machine : de en
  • FR1028935A - New solvents for acrylonitrile-based polymers and compositions obtained with these solvents : en fr
  • US2639966A - Process for coating cotton fabrics : en
  • US2640009A - Treatment of hydrocarbons with hydrogen : en
  • CA493222A - Bending mold locating devices : en fr
  • CA493263A - Method and device for binding the edges of fabrics : en fr
  • CH290875A - Tongs for unmolding and chocolateing ice cream sticks. : en fr
  • CA493113A - Safety razors : en fr
  • AU1698853A - Tape dispensing device : en
  • CA493165A - Process for heating titanium tetrachloride : en fr
  • US2640016A - Manufacture of coke : en
  • US2640170A - Device for converting motion into electrical energy : en
  • US2639521A - Handle member : en
  • US2639802A - Conveyer belt driving unit : en
  • US2639962A - Portable music stand : en
  • DE877791C - Circuit breaker : de en
  • FR1028752A - Tertiary amino alcohols : en fr
  • FR1028917A - Pneumatic distributor conveyor device : en fr
  • FR1029003A - Improvements in the production of catalysts : en fr
  • USD169661S - gross : en
  • US2640101A - Transformer cooling system control : en
  • DE1656463U - HOLDING DEVICE FOR BRUSHES, MOP AND BROOMS AS WELL AS FOR SCRUB BRUSHES. : de en
  • DE763972C - Photosensitive layer produced according to the process described in patent 713401 : de en
  • DE877431C - Method and apparatus for sorting parts, e.g. B. of pieces of coal, according to their relative gloss values : de en
  • US2639583A - Contrarotating gas turbine having a power turbine and a plurality of compressor-turbines in series : en
  • DE1656241U - ADJUSTMENT DEVICE FOR THE LENGTH OF A TAPE ON SOCKETS OR BRUSHES, SUSPENDERS, SWIMSUITS AND CLOTHES. : de en
  • DE1656406U - COOKING POT WITH BUILT-IN ELECTRIC HEATING RESISTORS. : de en
  • DE877655C - Process for the manufacture of medicinal products from animal tissue and internal secretory pressure : de en
  • DE877780C - Control arrangement for an electromagnetic relay : de en
  • CA493271A - Article feeding mechanism : en fr
  • DE1656485U - APPARATUS FOR CLEANING AND DISINFECTING COMBES. : de en
  • DE877460C - Insert for freezer bowls : de en
  • US2639579A - Turbojet engine having tail pipe ejector to induce flow of cooling air : en
  • US2640043A - Phenol-aldehyde-ketone resins : en
  • FR1029045A - Support device for fixing flowers : en fr
  • US2639485A - Industrial cord treating apparatus : en
  • US2640131A - Slide detecting apparatus : en
  • USD169659S - Clockcase or similar article : en
  • DE877750C - Device for water electrolysis : de en
  • DE877817C - Device for sampling liquids for diagnostic purposes : de en
  • FR1029099A - Adjustable support for containers such as flower pots : en fr
  • CA493176A - Resilient bolster for vehicle spring assembly : en fr
  • CH291034A - Equipment for heating by dielectric losses of dielectric materials in general. : en it
  • DE877464C - Adjustable spring pressure brake acting on the brake rod for rail cars and their motorless sidecars : de en
  • DE877619C - Audio frequency signal receiver : de en
  • DE877623C - TV receiver with pendulum feedback demodulation of the audio signal : de en
  • FR1028580A - Device for adjusting the price per liter in price indicating mechanisms : en fr
  • FR1028759A - Percussion device operated by the centrifugal force of eccentric masses in roation : en fr
  • FR1028880A - Method of reinforcing the insulation of high voltage windings : en fr
  • FR1028938A - Improvements made to the regeneration of spent caustics : en fr
  • FR1029035A - Animated toy : en fr
  • GB692077A - Improvements relating to floor polishers : en
  • FR1028520A - Method for transmitting information : en fr
  • DE762613C - Circuit breaker with rotary movement : de en
  • DE877806C - Method of manufacturing AC rectifiers : de en
  • DE878037C - Process for the production of welding neck flanges : de en
  • US2639540A - Crab trap : en
  • US2639924A - Sound reproducing device : en
  • CA493248A - Gas-turbine engine combustion equipment : en fr
  • US2639523A - Collapsible hinged table : en
  • USD169662S - Gross lamp : en
  • FR1028658A - Preparation process for low carbon alloys : en fr
  • GB692065A - Electroplated moulding compounds : en
  • GB692114A - Improvements in and relating to control means for clutches in motor vehicles : en
  • FR1028680A - Lifting device for working tools of agricultural and forestry machinery and mechanical traction instruments : en fr
  • FR1028618A - Special plastic foam brakes : en fr
  • FR1028642A - Luggage immobilization device on an automobile gallery : en fr
  • FR1028793A - Brake cylinder : en fr
  • FR1029102A - compound nut : en fr
  • DE877671C - Compasses for dividing distances in any, but unchangeable, ratio : de en
  • DK75883C - Method for making thin rubber threads. : da en
  • DE877949C - Extrusion press for shaping masses made of fibers and viscoplastic binders : de en
  • CH290967A - Method and device for flocking objects in assembly line production. : de en
  • DE1656470U - DENTAL PROSTHESIS USING ALUMINUM OR ALUMINUM ALLOYS. : de en
  • FR1028728A - Process for plasticizing rubber and novel plasticizing compositions intended for this process : en fr
  • FR1029071A - Flashing system by expansion : en fr
  • GB692160A - Hinge fastenings for doors and the like : en
  • US2639939A - Deodorizing toilet paper holder : en
  • AT175031B - Electrically heated espresso machine for the preparation of coffee, tea or the like. : de en
  • DE877492C - Connector for rods of scaffolding, stiffeners or the like. : de en
  • FR1028763A - Bottle warmer : en fr
  • DE877685C - Rubber hose for high tension gases and vapors : de en
  • FR1029050A - Method and device for cold stamping bolts, screws, rivets and the like : en fr
  • FR1029051A - Device for driving gas generators connected to recovery furnaces : en fr
  • DE877540C - Production of multilayer structures : de en
  • FR1028823A - Sash window enhancements : en fr
  • GB692060A - Improvements in or relating to the preparation of antibacterial composition of matter : en
  • USD169700S - Watering pot : en
  • DE877951C - Process for welding objects made of thermoplastics : de en
  • FR1028542A - Equipment for heat treatment of products in sealed containers : en fr
  • FR1028552A - Advanced divider for log saws or similar machines : en fr
  • GB691967A - Laminated heat exchanger : en
  • FR1028939A - Device for threading the needle of a sewing machine : en fr
  • DE1656326U - ARRANGEMENT OF AN AUTOMATIC POTATO SEATER ON ONE OF A TRACTOR OR TRACTOR-PULLED POWDER : de en
  • FR1028723A - Ear Cure : en fr
  • FR1029067A - Luminous call and signaling device for tables in restaurants, cafes and similar establishments : en fr
  • GB692158A - Improvements in or relating to the synthesis of hydrocarbons : en
  • FR1028703A - Method of placing concrete and masonry in the work at the sea : en fr
  • US2639547A - Mechanical figure simulating pouring and drinking liquid : en
  • US2640096A - Lightning arrester and parts therefor : en
  • GR14452B - METHOD OF PREPARATION OF ELECTROLYTIC COPPER ALLOWING MOST RESPONSIBLE PREPARATION OF THIS. : el en
  • FR1029103A - Improvement in counterweight press doors : en fr
  • DE1656296U - FOLDING CARTON RAZOR BLADE PACK. : de en
  • DE1656355U - SLIDING GUIDE FOR VEHICLE SEATS. : de en
  • DE877837C - Arrangement for writing and graphic templates, especially for teaching purposes : de en
  • US2639754A - Tool for crimping ferrules : en
  • AT174970B - Differential protection circuit : de en
  • AU161690B2 - Hardenable glycidyl ether compositions : en
  • CA493246A - Shaver head mounting : en fr
  • DE756962C - Process for the preparation of therapeutically applicable compounds : de en
  • DE878023C - Self-winding watch : de en
  • DE877446C - Production of pyrophosphate perhydrate : de en
  • DE877457C - Process for the production of amino alcohols : de en
  • GB692173A - Driving mechanism with pilot control : en
  • DE1656274U - REINFORCEMENT BAR FOR REINFORCED CONCRETE AND STEEL REINFORCEMENT MAT MADE FROM IT. : de en
  • DE877774C - Automatic coupling, especially for rail vehicles : de en
  • FR1029109A - Light metal piston for internal combustion engines : en fr
  • FR1028864A - Multiple shuttle loom : en fr
  • GB691950A - Improvements in or relating to the construction of buildings from poured concrete : en
  • US2639464A - Extrusion apparatus : en
  • US2639870A - Line spooling device for fishing reels : en
  • FR1029117A - Process for the preparation of quinazoline compounds : en fr
  • CH291031A - Fixed beam electronic optical device. : en fr
  • DE1656578U - CARTON INSERT. : de en
  • US2639492A - Machine tool : en
  • US2639765A - Lighter valve unit : en
  • AU1711753A - Bucket type scraper : en
  • DE877649C - Manufacture of titanium color bodies : de en
  • DE877692C - Spindle for fittings : de en
  • FR1029090A - Refinement to locking sockets of thin-walled tubes : en fr
  • DE1656524U - FILLING DEVICE, IN PARTICULAR FOR GREASE PRESSES. : de en
  • GB692121A - Improvements in or relating to aircraft propeller installations : en
  • DE1656258U - MATTRESS PAD. : de en
  • DE1656482U - FOLDING CASE. : de en
  • DE877417C - Bottle cap securing against unauthorized refilling : de en
  • FR1028506A - Gas appliance burner control device : en fr
  • FR1028590A - Welding ramp : en fr
  • GB692082A - Improvements in or relating to apparatus for measuring particle size, shape-factor, specific surface, and concentration of powdered or dispersed materials : en
  • US2639831A - Labeling machine : en
  • US2639838A - Pump : en
  • CA493189A - Section for stator core for induction motor and method of making same : en fr
  • FR1028731A - Special arrangement of a grating arm for an industrial gasifier : en fr
  • GR14445B - NEW TYPE WASHING MACHINE. : el en
  • DE1656265U - CONTAINER TO PLACE UNDER HOUSEHOLD MACHINERY TO RECEIVE THE CRUSHED FOOD. : de en
  • USD169704S - Handkebchief ob the like : en
  • US2640064A - Bromoalkylsilanes and their preparation : en
  • USD169718S - Metal sheet : en
  • US2639499A - Garment hanger hook attaching device : en
  • US2639738A - Power operated push bar log turner : en
  • DE1656443U - METAL FOIL FOR JEWELRY AND USE ITEMS. : de en
  • DE878024C - Clock : de en
  • FR1029072A - Didactic device for teaching the pythagorean table : en fr
  • DE850657C - Lemon wedge press : de en
  • FR1028746A - Electric razor : en fr
  • FR1028947A - Planning device : en fr
  • GB691953A - Improvements in the construction of propulsion nozzles for jet engines : en
  • GB692137A - Improvements in or relating to printing machines : en
  • FR1028742A - Method and device for the manufacture of a carpet : en fr
  • FR1028584A - Glass cone electron tube and its manufacturing process : en fr
  • GB692079A - An improved arrangement for accumulating energy of a bicycle dynamo during cycling : en
  • DE877659C - Holder for sticking to surfaces : de en
  • FR1028635A - Water filter : en fr
  • GB692081A - Improvements in fermentation process for production of penicillin : en
  • US2639820A - Barber's clippers stand : en
  • CH291044A - Process for the manufacture of alphaestradiol. : en fr
  • US2640125A - Extension cord plug with replaceable fuse element : en
  • US2639593A - Refrigerator insulation : en
  • US2640089A - Thermocouple cold-end compensator : en
  • US2640135A - Electrode : en
  • CH290863A - Attachment to vacuum cleaner. : de en
  • CH291082A - Gear change device. : en fr
  • DE1656448U - DRIVE FOR MINIATURE TRAIN SIGNALS AND OTHER MECHANICAL STRUCTURES. : de en
  • FR1028860A - Improvements made to pliers or pliers for tubes : en fr
  • DE1656205U - LINE MAILBOX. : de en
  • DE877886C - Loading machine, especially for mining operations : de en
  • DE877942C - Stone to form wall slots : de en
  • FR1028556A - Curvimeter : en fr
  • IE20284L - Sliding clasp fasteners : en
  • GB691995A - Improvements in and relating to building blocks : en
  • FR1029046A - Brake, in particular for permanent braking of a vehicle : en fr
  • FR1028991A - Tool intended for driving metal parts into structures made of metal, concrete, etc. : en fr
  • GB692133A - Improvements in or relating to the continuous drying of filaments : en
  • DE1656535U - ROLLING MILL. : de en
  • DE877519C - Slip ring seal : de en
  • FR1028792A - Assembly process of panels and profiles for its realization : en fr
  • DE877612C - Process for the production of surface-active sulphonation products : de en
  • DE877796C - Adjustable magnetic shunt to the driving flow of the current iron for Ferrari meters : de en
  • DE1656494U - CORNER BAR WITH CAP-SHAPED TOP FOR SHOP WINDOWS, GLASS WALLS, GLASS DOORS AND THE LIKE. : de en
  • DE1656473U - POWDER SPATULASPOONS. : de en
  • DE877646C - Phase meter with direct display : de en
  • DE878041C - Stretching machine for needles, wire shafts, light rods and the like. like : de en
  • DE882564C - Pulling and pushing device, especially for railroad cars : de en
  • FR1028851A - Installation of an automatic signaling device for digitally setting a terminal selector under the effect of pulses : en fr
  • FR1028876A - Improvements to methods and apparatus for transporting portions of freezable material through a refrigeration zone : en fr
  • DE878029C - Process for making lemonade : de en
  • FR1028826A - Process for improving the adhesion of threads to rubber : en fr
  • FR1029135A - Living room football game : en fr
  • DE877507C - Device for displaying the cruising speed of vehicles : de en
  • DE877712C - Protection of ships against the effects of explosives : de en
  • DE877694C - Method and device for dissolving fibrous materials u. like in liquid : de en
  • DE877880C - Tension ring lock with lever actuation : de en
  • GB691947A - Improvements in or relating to gas-filled electric discharge tubes and circuit arrangements therefor : en
  • US2639851A - Spreader for milk can filling means : en
  • FR1028539A - Improvements to alkaline accumulator plates : en fr
  • GB692166A - Printing stamps : en
  • AT174931B - Hearth delivery for Siemens-Martin furnaces and other melting furnaces : de en
  • AT174989B - Fully automatic electrically driven feed control for electrically driven gates : de en
  • US2639984A - Continuous cupola-bessemer process : en
  • CA493183A - Combination manual and clock operated selector switches : en fr
  • CH291068A - Room closure device. : de en
  • AU1713153A - Method and. machine for winding flexible material : en
  • US2640119A - Flat tire signal device : en
  • US2640168A - Electron tube : en
  • USD169682S - Brooch or the like : en
  • AT174968B - Multi-pole high-voltage isolating fuse : de en
  • AU1012752A - Improvements in or relating to braiding machines : en
  • CH290891A - Process for the hydrogenation of aliphatic dinitriles at low temperatures and low pressures. : en it
  • CH290800A - Closing grilles on feeders in cattle stalls. : de en
  • CH290937A - Induction measuring device with means for low load setting. : de en
  • CH291030A - Traveling wave tube. : en fr
  • US2639555A - Cathode-ray tube sealing process : en
  • US2639769A - Screen insert for storm windows : en
  • CA493270A - Diels-alder adducts of hexahalocyclopentadiene : en fr
  • DE755953C - Mechanical switching fault protection for switchgear : de en
  • DE877919C - Radio antenna arrangement for motor vehicles : de en
  • CA493140A - Automatic contact printer : en fr
  • CA493193A - Refrigerating apparatus : en fr
  • CH290907A - Process for preparing and bleaching a sheet of wood pulp. : en fr
  • CH291106A - Process for the preparation of a new quaternary ammonium compound. : de en
  • CA493240A - Hot-gas reciprocating engine : en fr
  • US2639926A - Dolly or trailer assembly : en
  • DE1656555U - MUDGUARD FASTENING. : de en
  • US2640171A - Vapor electric device cathode : en
  • CH290999A - Fuel injection pump. : de en
  • US2640035A - Nondiscoloring reclaim and process for preparation : en
  • USD169684S - Kress etajl magnetic drum unit : en
  • DE878004C - Latch lock with lockable latch : de en
  • AU158667B2 - Method of forming small apertures in thin metal plate-shaped articles, by means ofa mandrel; articles manufactured by this method anda device for carrying out this method : en
  • AU1702953A - Improvements in or relating to hydraulically operated presses : en
  • FR1028973A - Tractor clutch : en fr
  • US2639970A - Treatment of polyvinyl alcohol fibers by dielectric heating : en
  • FR1029116A - Electrostatic filter : en fr
  • GB692125A - Chaff cutting machine : en
  • US2639715A - Mouthpiece cigarette : en
  • CH290930A - Installation for the delivery of powdery or granular materials. : en fr
  • CH290963A - Belt grinder. : de en
  • FR1028978A - Improvements to non-slip bandages : en fr
  • GB692126A - Improvements in or relating to shoe upper conforming machines : en
  • DE1656502U - VULCANIZING PRESS FOR SHOES WITH RUBBER SOLES. : de en
  • FR1028576A - Sheet metal box with lid opening by finger pressure : en fr
  • FR1029063A - Forceps usable in particular in surgery : en fr
  • GB691912A - Improvements in systems for supplying fluid to components sequentially : en
  • DE1656492U - FIRST AND RIBBON CLIP. : de en
  • DE877706C - Multi-speed synchronized change gear for motor vehicles : de en
  • DE877937C - Feed-through or cooling rings for the electrodes in or on the cover at the feed-through openings in tiltable electric ovens : de en
  • US2639758A - Wire straightener : en
  • AT175025B - Automatic machine for the production of hollow glass objects : de en
  • CH290956A - Machine for high-speed forging of axially symmetrical workpieces. : de en
  • AT174928B - Set of elements for regenerative heat exchangers : de en
  • US2639722A - Pump unloading valve : en
  • US2639992A - Stabilized pulverulent compositions and process of manufacture thereof : en
  • US2640122A - Transitory latching switch mechanism : en
  • DE877476C - Arrangement for one-time deflection of an electron beam over a line grid : de en
  • DE877581C - Spool attachment for electromagnetic rollers : de en
  • DE877775C - Draw hook arrangement with a cross member and a pull rod for railroad cars : de en
  • DE877863C - Air foam generator : de en
  • US2639621A - Sheave and adapter : en
  • DE877579C - Cylinder valve, especially for controlling hydraulically adjustable weirs : de en
  • DE877622C - Circuit arrangement in a television receiver : de en
  • GB692075A - Improved door control mechanism : en
  • US2639890A - Pulling implement : en
  • USD169673S - Brush ob similar article : en
  • FR1028601A - Improvements to means and machines for harvesting beets : en fr
  • DE877523C - Electro-magnetically operated control slide : de en
  • DE877770C - Device for progressive heating, in particular for progressive hardening, of metallic workpieces : de en
  • US2639839A - Regulating pourout for bottles : en
  • US2639741A - Self-propelled woodworking and finishing machine : en
  • US2640082A - Process for synthesis of diamines : en
  • US2639781A - Electrostatic filter : en
  • DE878005C - Gear lock : de en
  • FR1028608A - Menu holder with automatic stability : en fr
  • FR1029137A - Universal static machine for heliography and reflectography : en fr
  • DE1656256U - SEATING AREA FOR CHAIR, BENCH AND OTHER SEATING FACILITIES, ESPECIALLY FOR PEOPLE WITH STIFF LEGS. : de en
  • GB692068A - Improvements in fuel injection pumps for internal combustion engines : en
  • AT174981B - Lighting fixtures with fluorescent lamps, in particular for vehicles : de en
  • AT175005B - Process for washing ammonia and hydrogen sulfide from gases containing carbon dioxide, in particular carbon distillation gases, by means of fresh water : de en
  • DE1656210U - WATER HEATER. : de en
  • DE877916C - Deflector for television reception tubes : de en
  • FR1028943A - Multi-tool head for drilling machine and machining block for medium series : en fr
  • CH290986A - Automatic condensate drainage device for compressed air tanks. : de en
  • DE755657C - Process for finishing an electrolyte for electrolytic capacitors : de en
  • DE877421C - Grinding and coring machine for lithographic plates : de en
  • DE753115C - Dehydration of gases containing nitrogen oxide, especially ammonia combustion gases, after the nitrogen monoxide contained in them has been converted into nitrogen dioxide by oxidation using nitric acid : de en
  • DE767773C - Device for progressive inductive surface heating : de en
  • FR1028614A - Machine to prepare the assembly of shoe uppers on the forms : en fr
  • DE877530C - Roller chuck for clamping and clamping purposes : de en
  • DE877658C - Glasses case : de en
  • GB692157A - Improvements in or relating to sliding-vaned rotary pumps : en
  • GB692048A - Improvements in or relating to magnetic apparatus for crack detection : en
  • DE877786C - Process for the production of collector insulation plates made of synthetic resin with glass fabric insert : de en
  • FR1028708A - Improvements to progression mechanisms for rock drills : en fr
  • FR1028964A - Improvements to electronic tube integrator assemblies : en fr
  • GB692031A - An improvements in or relating to machines for moulding by extrusion plastic or semi-plastic materials : en
  • GB692087A - Process for the production of a building material mixture : en
  • CA493267A - Fastening device : en fr
  • FR1028532A - Visual indicating device : en fr
  • FR1028533A - Cloakroom : en fr
  • DE878030C - Device to prevent water pipes from freezing : de en
  • DE875270C - Optical device for checking the evenness and alignment of surfaces and lines : de en
  • FR1028833A - Claw coupling device, in particular for motor vehicles : en fr
  • GB691906A - Improvements in or relating to weighing apparatus : en
  • GB691934A - Improvements in or relating to the lead sulphide sweetening of petroleum distillates : en
  • DE753116C - Conversion of nitrogen monoxide into nitrogen dioxide : de en
  • DE877810C - Round warp knitting machine : de en
  • DE878011C - Cleaning device for cylinders on painting machines : de en
  • FR1028970A - Roller blind, with swivel slats : en fr
  • GB691968A - Improvements in or relating to object locating systems : en
  • GB692139A - Improvements in power-driven cutters or clippers for bushes, hedges and the like : en
  • US2639463A - Rigid type shackle for hanging poultry : en
  • US2639472A - Door lining : en
  • US2639527A - Sign holder for parking meters : en
  • DE877458C - Stacking conveyor for sheet processing machines : de en
  • DE1656354U - UNIVERSAL JOINT FOR PTO SHAFTS, PARTICULARLY FOR CARS. : de en
  • US2639695A - Vapor generator : en
  • US2640189A - Oiltight switchboard pilot light : en
  • US2639724A - Refrigerated liquid dispensing unit : en
  • US2639825A - Vehicle-mounted hoisting apparatus : en
  • US2639959A - Dispenser for disks, pads, gaskets, and sheetlike members : en
  • US2640120A - Centrifugal switch : en
  • DE877819C - Heating device, e.g. B. Oven, kitchen stove. Like. : de en
  • DK75875C - Coupling for transmission of electrical oscillations. : da en
  • FR1029021A - Preselector device for automobile gear change and others : en fr
  • AU1711553A - Improvements in and relating to hydraulic control valves : en
  • CH290820A - Lock. : en fr
  • DE877486C - Small electric stove : de en
  • FR1029145A - Improvements to track testers for automobiles : en fr
  • FR1028737A - Reciprocating weft feeder drive device for straight loom : en fr
  • GB691959A - Single spindle automatic lathe : en
  • GB692027A - Method of and apparatus for twisting yarn : en
  • FR1028540A - Kit for smokers : en fr
  • FR1028615A - Electric heated insoles : en fr
  • FR1029127A - Flexible pipe fitting : en fr
  • DE877472C - Electric heat conductor in gas atmosphere : de en
  • FR1028887A - Keyless security lock : en fr
  • FR1028562A - Improvements to cathode ray deflection circuits : en fr
  • GB691927A - Improvements in or relating to the determination of shuttle timing in looms : en
  • GB691956A - Improvements in or relating to calliper gauges : en
  • GB692044A - Improvements in or relating to domestic appliances for use in drying and airing clothes towels and the like : en
  • FR1028930A - Pocket diary : en fr
  • GB692167A - Film for packaging meats and other foodstuffs : en
  • US2639745A - Straight beam clamping and like means with adjustable and interchangeable pads : en
  • US2639847A - Trousers hanger : en
  • FR1028578A - Automatic fireplace for solid fuels : en fr
  • DE882635C - Device for connecting gas, in particular propane, bottles : de en
  • GB692083A - Sedimentation pipettes : en
  • DE877598C - Process for the production of alcohols : de en
  • FR1028547A - electron emitting electrode : en fr
  • US2639640A - Muting device for accordions : en
  • US2639739A - Dowel pin cutting and beveling machine : en
  • DE1656583U - BALL JOINT ON REFLECTORS. : de en
  • DE877514C - Easily joinable, high-tensile quick connection of parts, especially pipes : de en
  • DE878006C - Holder for an inkwell : de en
  • DE877439C - Flask washer : de en
  • DE878007C - Shoe or boot with a one-piece shaft : de en
  • FR1028570A - Brake for vehicles of the type with friction pads mounted in a rotating drum : en fr
  • DE877438C - Template for printing textile and other flat structures and process for their production : de en
  • US2639685A - Tire pressure indicator : en
  • CA493191A - Power plant control system : en fr
  • CH290964A - Device for holding drill bits and controlling the chamfer-relief grinding movement of taps for tool grinding machines. : de en
  • US2639524A - Marker : en
  • US2639627A - Clutch shifting means for hand brakes of railway cars : en
  • CH290873A - Process for the production of bread. : en fr
  • US2639798A - Typewriter page bottom margin indicator : en
  • US2640134A - Hydraulic flash welder control : en
  • AU1702353A - Actuating mechanism : en
  • CH290816A - Gas-heated instantaneous water heater. : de en
  • AT173084B - Snow removal device : de en
  • US2639707A - Massage vibrator : en
  • DE1656553U - CHAIN CASE MOUNTING ON DRIVES. : de en
  • DE877602C - Process for the production of organic oxygen compounds : de en
  • FR1028518A - Rotary ball writing device : en fr
  • FR1028649A - Process for preparing phosphorescent products based on halophosphates : en fr
  • GB691972A - Improvements in or relating to aircraft provided with electric systems including crash or impact detecting devices : en
  • GB691987A - Improvements in pneumatic jacks, rams and actuating devices : en
  • DE1656575U - PACKAGE FOR CIGARETTES AND SIMILAR GOODS. : de en
  • AU165053B2 - A device for screen-image photography, in medical x-ray investigation : en
  • CA493169A - Method and apparatus for electronically fusing material in a high partial vacuum : en fr
  • CH290987A - System for generating compressed useful air. : de en
  • US2639648A - Carton setup machine : en
  • US2640046A - Reaction products of an aldehyde and an aldehyde-reactable composition comprising the condensation product of a polyhalogenated compound and a triazine derivative : en
  • DE1656545U - COMBINED VEHICLE LIGHTING. : de en
  • DE874877C - Device for conveying moist and pulpy material, especially wet grain, in pipelines : de en
  • DE877484C - Movement device, especially for moving conveyor wagons : de en
  • FR1028959A - Improvements to fuel supply equipment for gas turbine engines : en fr
  • CA493071A - Eyelash curlers : en fr
  • CA493068A - Structural members : en fr
  • CA493166A - Purification of titanium tetrachloride : en fr
  • CH290832A - Folding seat. : en fr
  • US2639915A - Film reel device : en
  • US2639559A - Cam grinder : en
  • DE762562C - Device for braking the masses that are moved when moving hot iron saws : de en
  • DE877635C - Device for operational determination of the earth fault compensation current to be set in a distribution network : de en
  • DE877850C - Peeling machine for legumes or cereals : de en
  • CA493143A - Photographic imbibition dye printing process : en fr
  • DE1656472U - DRIPPING AND POURING INSERT FOR LIQUID CONTAINERS, SUCH AS BOTTLES OD. LIKE., MADE OF ELASTIC MATERIAL, SUCH AS POLYAETHYLENE. : de en
  • US2639495A - Method for producing a sharply bent corner in a plate : en
  • AT174911B - Process for the preparation of new amides of pyridine-3,5-dicarboxylic acid : de en
  • AU1705153A - Improvements in thermal apparatus for production of hot gases and particularly to boilers for the generation of hot water and / or steam : en
  • US2639955A - Bearing : en
  • US2639504A - Barber shears : en
  • US2640079A - Alkylbenzylthiuronium salts : en
  • US2639906A - Minnow box : en
  • US2639958A - Humidor cigar case : en
  • CH290854A - Weaving method and circular loom for its execution. : de en
  • LU28353A1 - : en
  • US2639780A - Chaff separator and furnace : en
  • US2640026A - Electric filtering apparatus : en
  • CH290881A - Process for preparing a liquid mixture of linear dimethylpolysiloxanes. : en fr
  • CH290980A - With the exception of the seal for the spindle, the shut-off valve is made of plastic. : de en
  • CH290819A - Lock. : en fr
  • CA493155A - Cooling systems for internal combustion engines : en fr
  • GB692010A - Improvements in receptacle tilting and unloading device : en
  • GB692102A - Improvements relating to securing attachments to fibre and like building boards : en
  • CA493099A - Field marker : en fr
  • CA493131A - Apparatus for concentrating residual pulp liquor by direct contact with flue gases : en fr
  • FR1028549A - Improvements to chains for oars with pins or automatic grippers : en fr
  • DE1656208U - HEAT RESERVE STORAGE. : de en
  • DE877539C - Machine for the continuous production of paper bags : de en
  • FR1028906A - Process for the treatment of non-woven materials improving the tensile strength of these materials : en fr
  • US2639538A - Bait box : en
  • USD169689S - Apeon or similar article : en
  • FR1028775A - Assembly formed by a wheel and a brake : en fr
  • FR1028783A - Multipurpose device for both writing and lighting : en fr
  • GR14446B - SPECIAL BALANCE, COMBINES THE QUALIFICATIONS OF LIGHT AND MEDIUM PAINTS BALANCE, OF TEN METRIC SYSTEM. : el en
  • DE877747C - Process for bringing about a balance in the case of chlorine systems working in a network : de en
  • DE878027C - Spring clockwork with motor winding : de en
  • US2639611A - Dead weight tank for testing the bearing value of a column : en
  • DE877551C - Circulation pump : de en
  • FR1028682A - Miniature golf game : en fr
  • CH290895A - Process and device for the continuous melting of fat from animal material for industrial purposes. : de en
  • CH290984A - Elevator. : en fr
  • US2639997A - Metallization of nonmetallic surfaces : en
  • DE877644C - Measuring circuit with amplifier and an alternating magnetic field generated by at least one excitation coil in the amplifier output : de en
  • AU162678B2 - Improvements in or relating to television pickup tubes : en
  • US2640121A - Time-pressure control : en
  • US2640153A - Trigger circuit : en
  • DE877996C - Foldable footrest for motorcycles : de en
  • FR1029125A - Process for manufacturing molds, in particular for food products : en fr
  • US2639865A - Automatic electric stop gauge for winding machines : en
  • US2640133A - Apparatus for electric arc stud welding : en
  • CH291093A - Signal box with electrical locks in railway security systems. : de en
  • US2639428A - Helmet : en
  • US2639542A - Child's pounding toy : en
  • US2639662A - Bed and cylinder address printing machine : en
  • USD169681S - Brooch or the like : en
  • CA493137A - Optical glass : en fr
  • US2639647A - Battery insulator tube manufacture : en
  • USD169660S - Gross lamp : en
  • DE1656207U - SOLID FUEL COOKERS, IN PARTICULAR DOUBLE DRAW COOKERS. : de en
  • DE877420C - Bacon slicer : de en
  • DE877588C - Tool for producing the shelves on rolled sheet steel floors in the cold pressing process : de en
  • GB691954A - Improvements in and relating to electronic motor control systems : en
  • AT174918B - Process for the preparation of 1,4-dihydrazinophtalazines : de en
  • CA493204A - Fender shield : en fr
  • CA493212A - Electric cables for high frequency transmission : en fr
  • AU165211B2 - Improvements in movable awnings formed by plates : en
  • CH290906A - Process for the bleaching of felted wood pulp sheets. : en fr
  • US2639976A - Separation of sulfur dioxide and chlorine with antimony trichloride : en
  • AU1528353A - Improvements in radar systems : en
  • DE877890C - Electric filter, preferably for vehicles with gas generator operation : de en
  • DE877958C - Process for the production of eutectic or approximately eutectic alloys from hypereutectic alloys by means of segregation and filtration : de en
  • US2639545A - Remotely controlled toy car : en
  • US2639756A - Camber adjusting tool : en
  • US2639771A - Combination envelope opener and paper sheet cutter : en
  • DE1656247U - TOMATO CUTTER. : de en
  • DK75898C - Bearing for spinning or twisting spindle. : da en
  • FR1028950A - Electric induction device : en fr
  • FR1029009A - Improvements to magnetic recording devices : en fr
  • DE1656458U - ADJUSTABLE SPRING PRESSURE STRIPPER FOR CONVEYOR BELTS. : de en
  • DE877501C - Optical testing and projection equipment : de en
  • CA493250A - De-aerating a suspension of cellulosic fibers : en fr
  • US2639454A - Pusher for ice and snow : en
  • US2639469A - Portable cotton cleaner : en
  • US2639714A - Counterbeating device for threshing machines : en
  • US2640143A - Illuminated awning : en
  • US2639479A - Adhesive tie seal : en
  • US2640092A - Low reactance shunt : en
  • DE1656216U - FLAT-SHAPED SOUND RECORDING MEDIA. : de en
  • DE877597C - Process for the manufacture of catalysts : de en
  • US2639609A - Apparatus for determining boiling points : en
  • US2639807A - Shipping package for press inking rolls : en
  • US2639973A - Method of and apparatus for improving gas distribution in bubble-cap tower operating on fluidized solids : en
  • US2640176A - Duplicator speed control : en
  • AT174923B - Water tube boilers for steam and hot water, especially for medium operating pressure : de en
  • US2639674A - Oil well pump cleaner : en
  • CA493075A - Motor vehicle, especially automobile : en fr
  • AT174921B - Process for the hydrolysis of organosilicon compounds : de en
  • DE877604C - Process for concentrating acetic acid : de en
  • DE878019C - Machine for packing bottles and similar items : de en
  • FR1028574A - Improvements to pyrometers : en fr
  • GB691955A - Improvements in or relating to mechanical calliper gauges : en
  • CA493225A - Alkylxanthogen-alkylformates : en fr
  • US2639649A - Box staying machine : en
  • DE1656352U - DEVICE FOR DISTRIBUTION OF HOT AIR FLOW FROM CAR HEATERS OVER THE WINDSHIELD AND THE FRONT SIDE WINDOWS. : de en
  • DE877870C - Ice spores : de en
  • FR1028652A - Device for controlling the price of consumption in bars, cafes, restaurants and similar establishments : en fr
  • US2639762A - Folding chair : en
  • DE1656514U - SPLINT TO FIX A WATCH ON A BRACELET. : de en
  • DE877568C - Cross support, especially for grinding wheel lathes : de en
  • CA493219A - Eyelash curlers : en fr
  • CH291003A - Cooker unit for absorption chillers. : de en
  • DE1656267U - CORD AND TAPE CONTAINER WITH CUTTING DEVICE. : de en
  • GB692145A - Improvements in the production of acetic acid : en
  • FR1028572A - Composition for making floorboards and similar coverings : en fr
  • US2640041A - Process for preparation of melamine-formaldehyde reaction products : en
  • US2640128A - Circuit interrupter : en
  • US2639478A - Process of preparing patterns : en
  • US2639772A - Sheet tearing device : en
  • FR1028653A - Apparatus for measuring the difference between two variable pressures and making it act on a third pressure : en fr
  • BE519745A - Improvements to shock and vibration absorbers : en fr
  • DE877527C - Taper turning device on turret turning arms : de en
  • DE877771C - Device for hardening double-sided reed saws, knives or the like by electro-inductive heating and subsequent quenching : de en
  • FR1028711A - One wheel tow tractor : en fr
  • GB692169A - Improvements in or relating to a process for the preparation of dialkoxythiophosphoryl chlorides : en
  • DE1656271U - JACK. : de en
  • DE877429C - Mass for dowel stones : de en
  • DE877508C - Method and device for numerical determination of workpiece production by electrically powered machines : de en
  • DE877740C - Regeneratively heated industrial furnace with sole channel : de en
  • DE877970C - Multi-share plow : de en
  • DE882614C - Permanent magnet alloy : de en
  • FR1028655A - Cathode ray tube and its deflector system : en fr
  • FR1028671A - Interchangeable tube coil : en fr
  • DE877664C - Folding or harmonica : de en
  • DK75891C - Apparatus for holding remends during assembly of these. : da en
  • US2639877A - Christmas tree stand : en
  • CA493224A - Coin loss preventer : en fr
  • DE1656415U - DEVICE FOR SURFACE TREATMENT OF ASPHALT FOOTBOARDS. : de en
  • DE877738C - Washing device that can be inserted in a washing vessel : de en
  • DE877984C - Magnetic particle clutch or brake with an annular working chamber : de en
  • FR1028673A - Motor regulator : en fr
  • US2639985A - Bearing and steel therefor : en
  • USD169688S - Meister foldable clothesrack : en
  • US2639535A - Fishing trolley with improved trolley frame : en
  • US2639980A - Apparatus for determining carbon and sulfur : en
  • DE877768C - Foot control for office machines, especially address printing machines : de en
  • GB691915A - Improvements in or relating to rigid frameworks for polyhedral structures : en
  • US2639800A - Article transfer for bakery conveyer system : en
  • US2640074A - Process for synthesis of higher aliphatic oxygen-containing compounds : en
  • DE877524C - Closure for pipes, valves or the like. : de en
  • FR1028997A - Advanced devices to ensure contact between gases and liquids : en fr
  • DE1656275U - SPIRAL REINFORCEMENT BAR. : de en
  • US2640045A - Manufacture of phenol-furfural resins : en
  • CH291039A - Socket for fastening tubular, electric lamps, in particular low-pressure mercury vapor discharge tubes, which consists of a housing and a rotatable member in this, the rotation of which can switch the current to the lamp on or off. : de en
  • US2639487A - Air blower for linearly feeding a continuous strand : en
  • US2640108A - Wiper-switching selector : en
  • US2639857A - Accounting machine : en
  • FR1028992A - Retainer for removable leaflets : en fr
  • US2639658A - Butter melting and applicator unit for bread toasters : en
  • FR1028706A - Method and device for sharpening saw blades with set teeth : en fr
  • US2639591A - Liquid cooling apparatus : en
  • US2639964A - Multiple diagram-frame recorder : en
  • US2639972A - Ion controller : en
  • DE882993C - Process for the preparation of solutions containing cystine-rich amino acid mixtures, which can also contain hydrohalic acid : de en
  • CA493082A - Tractor hitch and drive means for portable concrete mixer : en fr
  • US2639429A - Carrier for eyeglasses, dimmerglasses, and the like : en
  • AT175015B - Process for the manufacture of medicines for tuberculosis : de en
  • CH290994A - Crankcase for piston engines, in particular for two-stroke engines. : en fr
  • DE877925C - Triggering device for synchronously controlled switches : de en
  • US2640156A - Automatic frequency control apparatus : en
  • FR1028583A - Improvements to tennis or other balls and their manufacturing process : en fr
  • CH290922A - Ski and its method of manufacture. : de en
  • GB691996A - Improved method of manufacturing tube bends : en
  • US2639594A - Freezing machine : en
  • CH290803A - Process for the preparation of 6,7-epoxyhexachlorotetracyclododecene. : de en
  • DE1656214U - MEASURING PANEL FOR GAS METER. : de en
  • DE877723C - Bowling alley : de en
  • DE877732C - Rust-shaped immersion device for the treatment of food in liquid baths, especially for baking pans or lye pans : de en
  • FR1028745A - Manufacture of esters of solid acids or anhydrides : en fr
  • GB691939A - Improvements in attenuators for use in connection with the transmission of electromagnetic waves through waveguides or the like : en
  • GR14455B - IMPROVEMENTS IN THE CONSTRUCTION OF CHIOS MASTIC CHICK CHIOS. : el en
  • FR1028508A - Gun for penetrating anchors into concrete or steel walls : en fr
  • FR1028905A - Process for improving the resistance to shrinkage of cotton fabrics without reducing their tensile strength and products conforming to those obtained by this process : en fr
  • DE877697C - Flashlight device : de en
  • DE877888C - Floor covering and process for its manufacture : de en
  • AT174979B - Electric blasting machine with time step control : de en
  • CH290844A - Textile machine. : en fr
  • DE877531C - Cutting tool, especially roller milling cutter with inserted hard metal cutting edge : de en
  • US2639471A - Wall construction, including upper and lower panels and diagonal strips joining the same : en
  • US2639815A - Tool rack : en
  • US2639835A - Paint brush rest : en
  • US2639950A - Portable traveling scaffold : en
  • US2639999A - Method of forming a transparent reflection reducing coating on glass and the articleresulting therefrom : en
  • AT174938B - Prestressed concrete railway sleeper : de en
  • DE877922C - Housings, especially for electrical devices and machines : de en
  • DE1656518U - COLLAR DRILLS. : de en
  • DE877614C - Process for the production of clusters of p-aminosalicylic acid : de en
  • DE877679C - Device for the continuous measurement and labeling of the density of liquids : de en
  • FR1028915A - Hydraulic transmission with radially arranged pistons : en fr
  • GR14456B - CONSTRUCTION OF ROOF AND WALLS THROUGH SHEETS OF OVERLOADING LAYERS RECEIVELY WITH TRANSMITTING RIBS AS A METHOD AND MACHINE BY LIGHTING. : el en
  • US2639550A - Apparatus for growing tender plants : en
  • DE1656573U - FORM FOR THE MANUFACTURING OF BUILDING PANELS. : de en
  • DE751877C - Locking at runway crossings : de en
  • US2640075A - Manufacture of polycarboxylic acids : en
  • CH290812A - Refuse collection truck. : de en
  • AT174913B - Process for the preparation of new thioketopiperidine compounds : de en
  • CA493257A - Point-contact semi-resistor assembly : en fr
  • GB692011A - Improvements in or relating to a machine for sowing bulbs : en
  • DE868047C - Dental prosthesis, especially for the use of artificial end teeth : de en
  • DE877759C - Process for the production of condensation products : de en
  • DK75888C - Gas turbine system and rotary dynamic compressor for use in the same. : da en
  • FR1029049A - Electrical installation with neutral to earth : en fr
  • CH290886A - Process for manufacturing carbon agglomerates. : en fr
  • AT174912B - Process for the preparation of new tetrahydropyridine compounds : de en
  • DE877804C - Electrical lighting equipment, in particular Christmas tree chains : de en
  • US2639845A - Sock drier : en
  • CH291088A - Bicycle support. : de en
  • DE1656233U - HEATABLE MOTORCYCLE ROTATING HANDLE WITH ROTATING CONTACT. : de en
  • DE877699C - Device for limiting the stroke of hydraulic presses : de en
  • US2639511A - Taper gauge : en
  • US2639753A - Tire chain and chain tightener : en
  • US2640086A - Process for separating hydrogen fluoride from chlorodifluoromethane : en
  • USD169701S - Brooder heater : en
  • CH290982A - Infinitely variable generating gear. : de en
  • DE1656396U - : de en
  • DE877742C - Device for the filtration of liquids : de en
  • DE877521C - Three-way cock : de en
  • US2639779A - Deaerator for oil or the like : en
  • US2639930A - Curtain rod and bracket therefor : en
  • US2640124A - Combined starting and protective switch : en
  • US2639897A - Vessel with turbine for rotating container while heating or cooling : en
  • CH290908A - Method and device for producing adhesive labels. : de en
  • US2639901A - Pin mixer : en
  • US2639979A - Urinalysis device : en
  • DE877447C - Production of polyphosphate mixtures which are particularly high in lime soap solubility : de en
  • FR1029139A - Kinetic energy transmission mechanism : en fr
  • US2639969A - Method of preparing a dye-receptive synthetic fiber : en
  • US2640080A - Preparation of primary diamines : en
  • US2640142A - Microwave heating : en
  • CH290880A - Ozonizer. : de en
  • CH290905A - Process for the production of semi-pulp. : de en
  • DE877900C - Process for separating phytosterols from undiluted resin soaps : de en
  • DE752677C - Process for finishing textile fabrics : de en
  • DE755027C - Process for the production of condensation products from polyvinyl esters and aldehydes : de en
  • DE877562C - Hand switch for electric direction indicators on motor vehicles : de en
  • DE878045C - Filter device : de en
  • FR1028811A - Propulsion device : en fr
  • GB692026A - Improvements in and relating to formers for winding coils : en
  • GB692097A - Improved means for sealing a spindle : en
  • AT175030B - Container for roasting, baking, etc. like : de en
  • CH290919A - Device for moistening and sealing envelopes. : de en
  • DE877425C - Dryer equipped with infrared emitters for shoe manufacture : de en
  • DE877716C - scissors : de en
  • US2639965A - Recording system : en
  • DE1656429U - DAMPER FOR STRING INSTRUMENTS. : de en
  • DE1656480U - CASE. : de en
  • DE882586C - Electrostatic machine : de en
  • FR1029018A - Plow : en fr
  • CH291109A - Process for the preparation of a new quaternary ammonium compound. : de en
  • DE1656441U - CROSS GRAIN. : de en
  • DE751840C - Copying device with fluid control for machine tools, especially lathes : de en
  • FR1028937A - Improvements to selective protection systems : en fr
  • US2639480A - Strap connector : en
  • CA493269A - Weighing scale poise : en fr
  • USD169651S - Expansible chain for a bracelet or similar article : en
  • DE1656422U - BUCKLE AND PLUG CLOSURE FOR BRIEFCASE OD. DGL. : de en
  • DE877550C - Pump for pumping concrete : de en
  • DE877805C - AC circuit for operating discharge lamps : de en
  • DE1656570U - SPARGEFAESS. : de en
  • GB692119A - Improvements in or relating to blade pitch changing systems for aircraft propellers : en
  • DE1656523U - FILLING DEVICE FOR GREASE CARTRIDGES OF LUBRICATORS. : de en
  • DE877876C - Sliver compactor for drafting systems of spinning machines : de en
  • FR1028899A - Interference filter : en fr
  • US2639657A - Automatic cooker : en
  • FR1028501A - Protected disconnectors operating in oil : en fr
  • FR1028842A - Adapter device to transform a caliber into a dial indicator : en fr
  • GB691986A - Improvements in rotary regenerative air preheaters : en
  • FR1029119A - Improvements to metal spring clips, especially clothespins : en fr
  • DE877548C - Process for the formation of direct positive images in a silver halide emulsion layer : de en
  • DE877920C - Ceramic dielectric and process for its manufacture : de en
  • AU1712253A - Improvements in movable awnings formed by plates : en
  • DE1656425U - FRICTION LIGHTER WITH WINDSHIELD. : de en
  • FR1028634A - Improvement in cooling systems, water, explosion engines : en fr
  • CH290861A - Washing machine. : de en
  • CH291011A - Method and device for the production of electrical apparatus with seamless, layered, ring-shaped magnetic core. : de en
  • DE877608C - Method and device for the heat splitting of fissile compounds : de en
  • DE877782C - Cathode ray scanner : de en
  • AU1148952A - Folding case : en
  • CA493180A - Nitro-distyrylbenzene-disulfonic acids and a method of making same : en fr
  • AT174997B - Process for the preparation of new trisazo dyes : de en
  • CH290851A - Flock needle. : de en
  • AU161901B2 - An arrangement forthe joining of frame members of windows andthe like : en
  • AT174960B - Control device : de en
  • AT175046B - Ribbed ceiling made of precast reinforced concrete : de en
  • US2639502A - Combined can opener and handle : en
  • US2639677A - Sandwich machine : en
  • CH291056A - Arrangement for the optional delivery of different pulse sequences, especially for teleprinters. : de en
  • AU157205B2 - Radiofrequency coupling device : en
  • AU162616B2 - Aluminum shingle : en
  • AU1701153A - Method of treating articles of resilient soft vulcanized rubber and articles so treated : en
  • CA493107A - Circular cutting tool : en fr
  • DE1656453U - SELF-FILLING ELEVATOR BUCKET AND CHARGING DEVICE FOR CONCRETE MIXER. : de en
  • DE877518C - Pistons for displacement machines : de en
  • AU158955B2 - Improvements in or relating to clamping apparatus for concrete formwork : en
  • US2639536A - Live bait holder : en
  • US2639940A - Orchard spraying machine : en
  • AU1697353A - Annular vapourizer : en
  • USD169675S - Bracelet or the like : en
  • CA493092A - Circular tray : en fr
  • CA493223A - Circuit controlling devices : en fr
  • US2639526A - Album : en
  • US2640003A - Method of cleaning chocolate molds : en
  • GB692105A - Improvements in photographic paper and in coating compositions therefor : en
  • AT174991B - Diverter switch for step transformers working in voltage divider circuit : de en
  • CA493076A - Anti-skid device for tires : en fr
  • DE1656419U - HUB TO ILLUSTRATE HISTORICAL EVENTS. : de en
  • DE757663C - Device for changing the pulse value for telemetry or counting systems, etc. like : de en
  • DE877758C - Process for the production of condensation products : de en
  • FR1028844A - Improvements in shipbuilding : en fr
  • CH290914A - Photographic and cinematographic camera with coupled rangefinder. : en fr
  • AU1047752A - Improvements in concrete mixing drums : en
  • DE1656487U - WORK COMB. : de en
  • DE877641C - Construction of electrical measuring or display instruments using a process for the production of metallic connections (weights) on vibrating systems : de en
  • DE877802C - Method for applying a light-diffusing covering : de en
  • CA493268A - Pendulum weighing scales : en fr
  • CH290926A - Shutter for automatic firearms. : en it
  • CH290981A - Device for transforming a rotary movement into several movements whose shape and amplitude vary from one to another. : en fr
  • DE1656300U - DIAL LIGHTING. : de en
  • FR1028640A - Process for the production of isobutyl alcohol : en fr
  • GB692116A - Improvements in compensated thermopiles : en
  • GB692128A - Improvements in electric hot plates : en
  • DE756820C - Pointer measuring instrument with a scale divided into sections : de en
  • CA493114A - Method of and apparatus for forming articles such as patty pans from paper or other thin material : en fr
  • CH291018A - Electric cable. : de en
  • CA493201A - Gas atmosphere generating means for heat treating furnaces : en fr
  • CH290876A - Double conche for processing chocolate masses. : de en
  • AT174907B - Process for the preparation of new 2,3-dihydropyran-2,4-dione : de en
  • CA493215A - Furniture with mountable and removable legs : en fr
  • AT174992B - Cathode for electrical discharge vessels : de en
  • CA493202A - Trouser fly construction : en fr
  • DE1656248U - BASE MADE OF RUBBER OR ANY OTHER ELASTIC MATERIAL FOR PLASTER STONES, TABLES OR. DGL. : de en
  • DE751797C - Vehicle with adjustable car body floor : de en
  • FR1028776A - Vaporizer, elastic container, advanced : en fr
  • GB691980A - Improvements in or relating to holders for tubular electric lamps : en
  • GB692084A - Improvements relating to intersecuring attachments and fibre and like building boards : en
  • AU1706653A - Improvements in or relating to jet nozzles for jet propulsion units : en
  • CH291053A - Device for punching and notching registration cards. : en fr
  • BE519957A - Improvement in electric watches with motor balance : en fr
  • FR1028796A - Improvements to straight bar knitting machines : en fr
  • FR1028881A - Improvements in methods and devices for the introduction or removal of granular solids in closed spaces where there is a higher pressure : en fr
  • FR1029047A - Multiple tool holder mounted on the tailstock of the lathes : en fr
  • DE1656327U - FROM THE WAGON FOR SINGLE-AXLE MANURE SPREADERS AND TRANSPORT WAGONS. : de en
  • DE1656404U - HIGH FREQUENCY PREHEATING OVEN. : de en
  • GB692098A - Improvements in or relating to the purification of naphthalene : en
  • DE1656465U - DIE GUIDE AND WIPER SPRING FOR THE COLLECTORS OF DIE SETTING AND LINE CASTING MACHINES. : de en
  • FR1029016A - Watch case : en fr
  • FR1029115A - Shock absorber for motor vehicles, motorcycles and motor scooters : en fr
  • GB691904A - Marine lubricating oil : en
  • DE1656504U - MAGNETIC COMPASS WITH BACTERIA PROTECTION. : de en
  • DE877455C - Process for the preparation of sulfuric acid esters of aliphatic oxy compounds : de en
  • GB691946A - Improvements in or relating to gas-filled electric discharge tubes and circuit arrangements therefor : en
  • US2639842A - Method and apparatus for the manufacture of collars : en
  • DE877945C - Stop device in a woodworking machine, in particular a chain mortising machine : de en
  • USD169707S - Handkerchief or the like : en
  • DE1656364U - RAZOR BLADE SHEARER. : de en
  • FR1028621A - Improvements to wireless receiving frames : en fr
  • GB691949A - Improvements in or relating to shutters for casting concrete : en
  • FR1028535A - Indicating device for motor vehicles for recording running speed : en fr
  • FR1028629A - Improvements to parts intended to be joined by screwing with corresponding parts : en fr
  • FR1028817A - Means of protection for electrical devices : en fr
  • FR1028914A - Photoelectric device : en fr
  • DE878026C - Device for automatically stopping the striking mechanisms of pendulum clocks : de en
  • DE878025C - Shock absorber bearings for track pins in clockworks : de en
  • FR1028866A - Gluing machine for labels or similar sheets : en fr
  • GB691951A - Improvements in or relating to self-propelled vehicles : en
  • US2639719A - Cigarette holder for automobile ash trays : en
  • GB691933A - Improvements in or relating to the manufacture of blades for axial-flow turbines and compressors : en
  • GB692154A - Improvements in or relating to the production of moistureproof coated sheets and films : en
  • DE877843C - Staeubegeraet for pest control : de en
  • DE882801C - Device for the automatic actuation of the clutch of a motor vehicle : de en
  • DE877864C - Filter breathing apparatus equipped for mouthpiece breathing : de en
  • DE1656220U - THORN BUCKLE. : de en
  • DE1656284U - HYGIENIC DRINK PROTECTION MOUTH PIECE. : de en
  • DE1656528U - PRESSURE REDUCING VALVE. : de en
  • FR1029096A - Method and device for the production of low sodium alumina : en fr
  • FR1028990A - Slider closures improvements : en fr
  • DE877731C - Magnetic separation : de en
  • DE877772C - Actuating device for box tippers : de en
  • DE877978C - Device for attaching a fishing line to a float or sinker : de en
  • FR1028960A - metal mine prop : en fr
  • CA493217A - Manufacture of derivatives of ethyl naphthalene : en fr
  • US2639493A - Transfer machine : en
  • FR1028668A - Construction process in reinforced cement without formwork, and prefabricated elements for the implementation of this process : en fr
  • FR1028718A - Heating device for cars and motor vehicles : en fr
  • DE877650C - Method and carburator for carburizing water gas : de en
  • DE882720C - Telephone system : de en
  • FR1028630A - Improvements to turbine blades : en fr
  • FR1028724A - Acoustic disturbance detector : en fr
  • FR1028852A - Shock absorber for automobiles using self-regulating sliding friction : en fr
  • GB691924A - A process for recovering carotene from carotene-containing oils and derivatives thereof : en
  • DE877631C - Toggle switch : de en
  • US2640047A - Reaction products of a polyhalogenated compound and a triazine derivative and methods of preparing the same : en
  • FR1028722A - Direction-finding system : en fr
  • FR1028802A - Spray : en fr
  • AU1113752A - Control for liquid operated heating or cooling units : en
  • FR1028581A - Lifting device with a cable device similar to that of a drive pulley : en fr
  • GB691963A - Apparatus for cutting and forming textile fibres into continuous slivers : en
  • DE1656373U - WHEEL AXLE FOR PLAY VEHICLES. : de en
  • DE877999C - Electrical control system for water, air or land vehicles or the like. : de en
  • DE1656203U - FOOD TRANSPORT CART. : de en
  • DE1656331U - MEMBRANE PULSATOR. : de en
  • DE877709C - Heating and ventilation equipment for motor vehicles : de en
  • DE877757C - Process for the production of N-vinyl compounds : de en
  • FR1028513A - Statoturbojet : en fr
  • DE1656333U - HORD REARING BATTERY FOR POULTRY. : de en
  • DE877538C - Machine for the continuous production of paper bags : de en
  • DE877555C - Fire extinguishers, in particular for combating phosphorus incendiary bombs : de en
  • DK75878C - Luminaire for fluorescent lamps. : da en
  • DE1656283U - WHEEL CAP PULLER. : de en
  • US2639531A - Slide binder : en
  • FR1028983A - Improvements in the manufacture of electric capacitors : en fr
  • DE871372C - Device for the automatic regulation of the volume ratio of two flows : de en
  • DE877504C - Projection screen with a Fresnel area and projection device provided with this screen : de en
  • GB692043A - Improvements in or relating to lever-operated electric switches : en
  • GB692067A - Improvements relating to apparatus for the recovery of zinc : en
  • US2639819A - Knockdown shelving : en
  • US2639633A - Cold welding of metal : en
  • DE1656517U - THRESHING MACHINE WITH ATTACHED STRAW PRESS. : de en
  • FR1029052A - Brake fluids : en fr
  • GB691998A - Improved bag or field case : en
  • CA493230A - Tool for expanding cylinder liner : en fr
  • FR1028888A - Composite wood plate of the plywood type : en fr
  • DE877915C - Traveling field tubes for ultra-short waves : de en
  • GB692138A - Improvements in or relating to weighing apparatus more particularly for use with mixing and like machines : en
  • DE877491C - Closure for rooms or the like, especially for emergency openings : de en
  • GB692130A - Improvements in the production of carbon black : en
  • DE877866C - Light, especially for motor vehicles : de en
  • DE1656287U - POLE CLEANING DEVICE. : de en
  • DK75900C - Centrifuge for separating components from a mixture of solid and liquid or gaseous substances of different specific gravity. : da en
  • FR1028803A - group selector equipment for central offices : en fr
  • FR1029055A - Fluid cap : en fr
  • FR1029120A - Sealed in two parts, sliding one inside the other and secured by a locking member : en fr
  • GB692062A - Excess voltage protective device of the spark gap type : en
  • US2639447A - Apparatus for use in making insoles : en
  • DE877626C - Audio frequency remote selection receiver for two signal frequencies : de en
  • DE878003C - Drive device for honing tools : de en
  • US2639676A - Cable supported propelling device : en
  • US2640002A - Cladding metal : en
  • US2639544A - Toy engine kit : en
  • US2639734A - Stop motion mechanism for looms : en
  • US2639794A - Drive clutch for washing machines or the like : en
  • CA493239A - Hot-gas piston engine : en fr
  • US2639505A - Knife for carving leather and the like : en
  • US2639706A - Gas furnace and draft hood assembly : en
  • US2639848A - Luggage carrier for motor vehicles : en
  • US2639730A - Combination fueling and relief valve : en
  • US2639791A - Window construction : en
  • US2640039A - Resins capable of producing viscous aqueous solutions and method for the manufacture thereof : en
  • FR1028699A - Laundry dryer : en fr
  • FR1028902A - Polyphase electric power transmission system : en fr
  • FR1029008A - Process for the preparation of high molecular weight polymers : en fr
  • AU159474B2 - Improvements relating to cation-exchange resins and processes : en
  • BE519816A - IMPROVEMENTS TO CONSTRUCTION ELEMENTS AND, IN PARTICULAR, TO ELEMENTS MADE OF SLIT METAL BARS, WITH ANGULAR SECTION : en fr
  • DE868067C - Ladder rung : de en
  • FR1029136A - Valve : en fr
  • FR1028832A - Chi ray emitting device : en fr
  • US2640123A - Smoke detector relay and resetting mechanism : en
  • DE872932C - Process for the production of artificial leather : de en
  • DE877795C - Direct writing oscilloscope : de en
  • DE877901C - Process for the selective increase of the concentration of alcohols or organic acids in an aqueous mixture containing aldehydes and / or ketones : de en
  • US2639456A - Handle assembly for vacuum cleaners : en
  • USD169697S - Automobile door .handle and lock protective.glove : en
  • DE1656557U - AXLE FOR RUBBER BLOCKS FOR PEDALS. : de en
  • DE1656302U - FULLY SWIVELING WALL LAMP. : de en
  • FR1028998A - Magnetic toy : en fr
  • US2639475A - Operating mechanism for multiple sash windows : en
  • FR1028589A - New arsenicals and their preparation process : en fr
  • FR1028733A - Improvements to removable assemblies for furniture and construction elements, in wood, metal, or any other material : en fr
  • US2640155A - Frequency control system : en
  • DE877767C - Method for conveying address printing plates : de en
  • USD169696S - Mobile stool : en
  • DE1656381U - STOCKING MARKER MARKING ON LADIES 'STOCKINGS. : de en
  • FR1028669A - Improvements to disk binders : en fr
  • FR1028908A - Steering device for motor cars : en fr
  • US2640139A - Air fan heater : en
  • US2640190A - System for measuring the thickness of opaque objects : en
  • US2640049A - Preparation of acrylonitrilevinylpyridine polymers : en
  • AU158323B2 - Improvements in composite rollers, pulleys andthe like : en
  • CH290852A - Bobbin winding machine. : en fr
  • CH291008A - Heat exchanger. : de en
  • US2639988A - Production of textile fibers from bast fiber material by alkaline digestion : en
  • USRE23662E - larkin : en
  • AT174947B - Route signal box for power switches : de en
  • CA493133A - Optical glass : en fr
  • CH290868A - Removable non-slip device for shoes. : en fr
  • CH290885A - Process for the production of gases containing sulfur dioxide. : de en
  • DE1656414U - REINFORCED CEMENT-BONDED CEILING HOLLOW BODY TO PUSH BETWEEN STEEL BEAM. : de en
  • AU1702253A - Improvements in plant forthe removal of ash and dust : en
  • US2639789A - Extensible joint structure : en
  • AU1706153A - Apparatus for distributing pesticide : en
  • AT174980B - Power transmission system equipped with electric motors : de en
  • AT174999B - Abrasives and cleaning agents : de en
  • AT175001B - Process for the production of a loose dust mixture from adhesive bituminous substances : de en
  • CH291037A - Set of elements for assembling the heating fitting of gas water heaters. : de en
  • CH290893A - Process for the preparation of a vat dye of the phthalocyanine series. : de en
  • AU158395B2 - Annular vapourizer : en
  • CA493227A - Method of preparing aromatic dicarboxylic acids : en fr
  • DE760363C - Ball joint made of housing, ball pin and multiple subdivided ball shell : de en
  • AU1697053A - Process of manufacturing acrylonitrile by dehydration of ethylene cyanohydrin : en
  • US2639574A - Side delivery rake : en
  • US2640109A - Telephone instrument : en
  • DE873242C - Process for the preparation of estradiol and its derivatives : de en
  • DK75899C - Collapsible transport box. : da en
  • GB691925A - Improvements in or relating to scintillation detectors for alpha particles : en
  • AU1029752A - Improvements in compressors and pumps : en
  • DE877668C - Process for stabilizing natural rubber milk : de en
  • DE1656289U - MAGNETIC TOP GAME. : de en
  • DE877788C - Indoor switchgear for high voltage purposes : de en
  • DE877959C - Cell for the melt electrolysis : de en
  • FR1029142A - Magnetic drain plug : en fr
  • US2640000A - Flameproofing method and product : en
  • AU161144B2 - Method of manufacturing plastic teeth and products obtained thereby : en
  • DE1656292U - PACKAGING FOR FRAME PUTTY. : de en
  • DE1656529U - TAP. : de en
  • DE1656571U - TOTOCUBE. : de en
  • DE757490C - Indicator device for aircraft for visual display of the pre- and main signal of the approach beacons : de en
  • DE877783C - Blocking addition for number switch : de en
  • US2640044A - Heat stabilization of polyamides : en
  • CH290942A - Device for erasing recordings on magnetic sound carriers with a plurality of sound tracks lying directly next to one another. : de en
  • DE1656595U - COVER OF THE ENTRY OPENING FOR THE CONNECTION AND OUTPUT PIPES FROM COUNTERS ON COUNTER PANELS. : de en
  • DE877842C - Machine for combing out the flax and separating the flaxseed from the capsules and other impurities : de en
  • DE1656282U - PACKAGING FOR RESPIRATORY EQUIPMENT STORED IN READY BIN. : de en
  • DE753949C - Absorption of gases containing nitrogen oxides, in particular ammonia combustion gases, by means of aqueous nitric acid : de en
  • DE877682C - Means for combating fungal diseases on green plants : de en
  • FR1028514A - System for supplying fuel to the ejection nozzle of a turbojet powered airplane : en fr
  • FR1028691A - Photographic camera with coupled rangefinder : en fr
  • FR1029031A - Advanced lifting device : en fr
  • GB692053A - Improved mop, method of and apparatus for making it : en
  • DE877456C - Process for the production of cyclopentenolone homologues (pyrethrum analogs) and their esters from oxyketones : de en
  • DE877483C - Adjustment device for the spring-operated disc brakes of elevators with a drive motor with a conical runner that can be moved in its field : de en
  • AU1089952A - Treatment of textile materials formed of fibres other than animal fibres to increase their wear resistance, abrasion resistance, dimensional stability and resistance to snagging : en
  • CA493116A - Filter panel : en fr
  • CH291103A - Cigarette case. : de en
  • US2639904A - Mixer : en
  • US2640091A - Battery : en
  • US2640001A - Method for bright metal plating : en
  • DE877903C - Control and switching device for printing machines, especially two-cycle machines, with double coloring of the printing form : de en
  • GB692152A - Improvements in and relating to scythes : en
  • AT174959B - Tilting vibration generator : de en
  • DE877610C - Process for the preparation of sulfamidoalkylsulfonic acids or their salts : de en
  • AT174957B - Device for simultaneous projection of the partial color images composing a color television image : de en
  • US2639484A - Embalming instrument : en
  • US2639748A - Grater : en
  • US2640084A - Dehydrogenation catalyst and process : en
  • AU158470B2 - Improvements in or relating to jet nozzles for jet propulsion units : en
  • DE759019C - Circuit for braking the masses moved when moving hot iron saws : de en
  • AT174986B - Electromagnetic coal column regulator : de en
  • CA493162A - Microporous resin : en fr
  • CH290896A - A method of making hard toilet soaps. : en fr
  • DE877637C - Arrangement for recording the power on a rigid network of synchronous machines working as a function of the load angle? of these machines : de en
  • DK75890C - Coupling for machines for spreading fertilizer. : da en
  • US2639809A - Extrusion of continuous metal articles : en
  • CH290810A - Artificial block for the construction of hydraulic works. : en fr
  • CH290892A - Process for the production of metal-free B-phthalocyanines in dispersible form. : de en
  • AT174930B - Nozzle for refining liquid iron and metal alloys : de en
  • CH290833A - Bathing facility. : de en
  • CH290935A - Counter with protection against unauthorized resetting. : de en
  • US2639651A - Flux oil and method of revivifying asphalt roads therewith : en
  • US2639853A - Ladder structure : en
  • CH291071A - Packaging facility. : de en
  • DE877589C - Semi-automatic can seaming machine : de en
  • FR1028739A - Folding camping trailer : en fr
  • GB692177A - Improvements in centrifugal machines : en
  • DE1656440U - DEVICE FOR LIFTING DOORS OR LIFTING WINDOWS. : de en
  • DE753565C - Process for the production of animalized synthetic fibers : de en
  • AT174903B - Process for the preparation of the new 1,2,3,4-tetrahydrofluorenone : de en
  • AU158322B2 - Method of distributing particles and abrasive articles : en
  • AT175040B - Combined electric and coal cooker : de en
  • DE877931C - Process for the production of resistance elements which can withstand high temperatures : de en
  • DE1656278U - VENTILATION OF FUEL LINES IN GEFAELLE CONVEYORS, IN PARTICULAR IN MOTOR WHEEL ENGINES. : de en
  • FR1028727A - Documentary sheet : en fr
  • US2639598A - Cigarette lighter case : en
  • CH291058A - Method and device for encrypted transmission of messages. : de en
  • AT175024B - At least partially mechanically driven injection molding device : de en
  • CA493278A - Cut off tool holder : en fr
  • DE1656405U - ELECTRIC BABY BOTTLE WARMER. : de en
  • US2639810A - Extrusion of metal billets having a temperature gradient : en
  • CA493120A - Fatty amide polymers : en fr
  • AU159416B2 - Improved process for applying protective coverings : en
  • AU1699753A - Composition for stimulating hair growth : en
  • CA493199A - Fortifying grain products : en fr
  • BE519657A - : en
  • AT174967B - Tension meter for ropes or the like. : de en
  • CA493172A - Position indicator systems : en fr
  • CH290802A - Thread guide. : de en
  • US2639957A - Control means for film reel storage cabinets : en
  • DE1656544U - INDICATOR SYSTEM FOR MOTORCYCLES. : de en
  • CH290898A - Process for the preparation of a rubber milk composition. : de en
  • CH291083A - Steering wheel intended for a vehicle, in particular a motor car and fitted with a watch. : en fr
  • US2639728A - Four-way valve : en
  • DE1656366U - AIR RIFLE BULLET. : de en
  • AU1711953A - Bladed rotors for axial flow fluid flow machines : en
  • DE1656276U - CHANNEL OUTLET. : de en
  • DE1656334U - INTERNAL FILTER DEVICE (PUMP) WITH VENTILATOR FOR AQUARIUMS. : de en
  • DE877973C - Root crop harvester : de en
  • FR1028505A - Air or gas compressor : en fr
  • US2639731A - Reinforced concrete pipe : en
  • US2639785A - Top shoe brake operator : en
  • US2639968A - Tanning agents and method of preparation : en
  • US2639983A - Growth promoting preparations for plants : en
  • DE1656401U - CARRIER, IN PARTICULAR FOR FLUOR TUBES. : de en
  • CH290849A - Spinning spindle fitted with a device for immobilizing a spool on the spindle's spool holder element. : en fr
  • CH290811A - Refuse collection truck. : de en
  • DE877781C - Process for the production of a photoelectrically sensitive storage electrode : de en
  • DE877977C - Decoupling device, especially for uncoupling the cattle in the barn : de en
  • FR1028537A - Machining chuck : en fr
  • CH290924A - Ski binding. : de en
  • DE1656259U - SITTING AND/OR LOUNGING OPPORTUNITY USED IN SWINGING SUSPENSION. : de en
  • DE724083C - Process for the production of knock-proof petrol : de en
  • CA493161A - Chaffer for threshing machines : en fr
  • DE878033C - Pit stamp : de en
  • AT175041B - Stove top : de en
  • DE1656227U - SEWING MACHINE CABINET WITH SEWING BOX. : de en
  • DE1656344U - FLASH TUBE DEVICE, IN PARTICULAR FOR PHOTOGRAPHICAL PURPOSES. : de en
  • DE1656520U - HARMONIC-SHAPED FOLDED BELLOWS TO PROTECT THE GUIDEWAY OF MOVING PARTS OF MACHINE TOOLS. : de en
  • DE877761C - Process for the preparation of tri- and tetramethylol compounds of 2,6-diamino-1,3,5-triazines : de en
  • CH290899A - Process for the production of artificial casings and similar structures by processing fiber masses from skin substance. : de en
  • US2639509A - Device for measuring workpieces such as screw threads and the like : en
  • US2639656A - Potato chip bleaching equipment : en
  • AT174955B - Circuit arrangement for multiple telephones : de en
  • CH290996A - Injection nozzle for diesel engines. : de en
  • AU164622B2 - Improvements in and relating to control systems for electric lifts andthe like : en
  • US2639673A - Pump or motor : en
  • US2639914A - Spring group : en
  • US2640138A - Heater for the coolant liquid of internal-combustion engines : en
  • CH290938A - Calculator. : en fr
  • DE877442C - Control platform for coke oven batteries : de en
  • DE877808C - Methods and devices for the extraction and utilization of the latent heat of non-combustible gas mixtures, in particular exhaust gases : de en
  • DE877967C - Automatic measuring device to determine the consistency of porridge and pasta as well as the proofability of the dough : de en
  • CA493134A - Optical glass : en fr
  • US2640077A - Preparation of amides : en
  • CA493069A - Method of photography employing a scanning camera : en fr
  • CA493101A - Vehicle wheel compensating suspension : en fr
  • AU164297B2 - Improvements in or relating to catalytic reactors : en
  • DE1656474U - STAND BOTTLE. : de en
  • FR1028958A - Direction indicator device for automobiles : en fr
  • GB692095A - Automatic control for electric welding : en
  • US2639885A - Rotor construction for compressors and turbines : en
  • FR1028805A - Improvements to color television sets : en fr
  • FR1029140A - Advanced freewheel : en fr
  • CH291081A - Coupling device with a brake linkage for connecting a vehicle to at least one trailer. : de en
  • CH290847A - Multi-spindle spinning machine driven by helical wheels and tangent screws. : en fr
  • US2640159A - Machine for convergent irradiation : en
  • US2640169A - Heated cathode electron multiplier : en
  • CA493205A - Automobile door latch : en fr
  • DE1656238U - FITTING FOR A RETRACTABLE FLOOR STAIR. : de en
  • DE1656330U - WATER SPRAYER FOR AGRICULTURAL PURPOSES SUCH AS FARMHOUSE, GREEN FACILITIES AND THE LIKE. : de en
  • US2639905A - Portable room humidifier : en
  • US2640117A - Multiple time switch : en
  • US2639468A - Cotton cleaner : en
  • CH290848A - Lubricating device for a shaft of a drafting system. : de en
  • CH291085A - Direction indicator. : en fr
  • CA493216A - Horizontal reference : en fr
  • DE1656217U - MAGNETIC SOUND DEVICE. : de en
  • DE877730C - Method and device for atomizing and mixing liquids : de en
  • DE1656319U - POCKET INHALER. : de en
  • DE877490C - Skirting board to create a connection between a wall and a floor surface : de en
  • CH290941A - Process for the production of a magnetogram carrier with guide grooves. : de en
  • AT175026B - Umbrella with telescope-like telescopic pole and roof pole parts : de en
  • CH291108A - Process for the preparation of a new quaternary ammonium compound. : de en
  • FR1028766A - Heavy vehicle to ensure long journeys : en fr
  • FR1028910A - Television method and device : en fr
  • FR1029030A - Advanced process for insulating the exterior surface of iron and steel to prevent rusting : en fr
  • DE877985C - Rohrmühle with longitudinal installations : de en
  • DE877997C - Scooters : de en
  • FR1029097A - Advanced power outlets : en fr
  • CH291023A - Electric switch. : de en
  • AT174925B - Stencil printing machine : de en
  • AT174973B - Extinguishing chamber switch with static contact arranged in the extinguishing chamber : de en
  • AU162867B2 - Improvements in or relating to hydraulically operated presses : en
  • US2639565A - Buffing device : en
  • US2639811A - Unloading extractor : en
  • US2639878A - Receptacle support : en
  • AU1704553A - Drive pulley assembly : en
  • CH290948A - Watch with automatic winding by rotating mass. : en fr
  • DE877615C - Device with a piston pump for removing sheets of paper or the like by means of suction cups, in particular for destackers : de en
  • DE877878C - Winding or bobbin template for spinning machines : de en
  • US2639822A - Pneumatic lifting and rotating machine : en
  • US2639971A - Inhibiting storage tank corrosion : en
  • US2639978A - Gas analyzer and method of use : en
  • AT174977B - Distribution transformer : de en
  • CA493252A - Anti-foaming compositions : en fr
  • CA493247A - Formation of x-ray images by refractive focusing : en fr
  • DE877493C - Clamp for scaffolding struts or the like. : de en
  • US2639876A - Molded structure : en
  • AU164055B2 - Electrical control circuit for fluid pressure power feed mechanisms : en
  • CH290805A - Heterogeneous floor in prefabricated elements and reinforced concrete. : en fr
  • CH291014A - Housing for electric motor. : en fr
  • CA493154A - Mobile crane : en fr
  • US2639747A - Rotary granulating machine : en
  • US2640137A - Temperature control system : en
  • DE1656460U - ANNUAL CLOCK. : de en
  • DK75877C - Coupling for protection of steam- or gas-filled, controlled discharge pipes. : da en
  • FR1028573A - Improvements to safety devices for presses and similar machines : en fr
  • GB691921A - Improvements in or relating to draw benches : en
  • CH290884A - Process for the production of gases containing sulfur dioxide. : de en
  • CH290911A - Binder for loose sheets. : en fr
  • CH291099A - Wood putty. : de en
  • CH290952A - Rotary kiln for metallurgical purposes. : de en
  • DE1656280U - LATHE WITH CLAMPING DEVICE. : de en
  • DE754598C - Auxiliary equipment arrangement for aircraft engines : de en
  • DE877616C - Furnace for overheating liquid slag : de en
  • FR1028602A - Improvements made to ampoules containing drugs to be injected : en fr
  • FR1028837A - Hydraulic transmission device for vehicle : en fr
  • FR1029027A - Lock or bolt mechanism : en fr
  • CA493152A - Television pick-up tubes : en fr
  • CA493264A - High frequency inductor heat treating apparatus : en fr
  • US2639740A - Hafer : en
  • US2639882A - Valve : en
  • CH290827A - Support for carpet rod. : en fr
  • FR1029064A - Process for alkylation of arylmethyl-methyl-ketones : en fr
  • CH291095A - Special part for electrical contact line systems. : de en
  • CH290973A - Device to prevent involuntary movement of the tightening and adjusting nuts along the relative screws in machines and apparatus subject to vibrations, and particularly in cycles or the like. : en it
  • CH291054A - Vending machine. : en fr
  • DE1656493U - ANGLED WEATHER RAIL FOR WINDOWS AND DOORS. : de en
  • IE20539L - Improvements relating to zip fasteners : en
  • CA493179A - Brightening agents and a process of making same : en fr
  • CA493192A - Sealing strip : en fr
  • CA493095A - Method and apparatus for forming and applying bottom stops : en fr
  • AT175000B - Water-soluble reaction products of 1-alkoxybutadiene-maleic acid copolymers and alkaline substances as dispersing, thickening and cleaning agents and as auxiliaries for the treatment of materials with aqueous liquids or dispersions : de en
  • CA493123A - Telephone systems : en fr
  • AU164006B2 - Improvements in and relating to regenerative repeaters for use. in telegraph systems : en
  • DE877815C - Process for the production of dental prosthesis parts, such as artificial teeth, crowns, bridges, plates or the like, from synthetic resins : de en
  • DE877935C - Arrangement for the stabilization of the control frequency voltage in audio frequency superimposed consumer networks : de en
  • US2639788A - Structural joint : en
  • USD169715S - Toy airplane : en
  • AT175032B - Hydraulically driven peeling machine for potatoes or the like. : de en
  • CH290946A - Instrument for measuring time. : en fr
  • CA493279A - Explosive compositions : en fr
  • DE742695C - Profile seal, especially for sheet metal hoods of internal combustion engines : de en
  • DE759497C - Method for contacting ground resistors : de en
  • DE877825C - Plywood press with a loading frame that can be moved between the press plates : de en
  • US2639869A - Fishline holder : en
  • USD169698S - Automobile door handle and lock protective glove : en
  • AT175034B - Cabinet or the like with a fold-out writing surface : de en
  • AU165083B2 - Improvements in or relating to plastic compositions : en
  • FR1029101A - Improvement in fixing removable wheels : en fr
  • FR1029131A - Elastic stopper for bottles or the like : en fr
  • AT174901B - Process for the production of new phenolic ethers : de en
  • AU161602B2 - Treatment of textile materials formed of fibres other than animal fibres to increase their wear resistance, abrasion resistance, dimensional stability and resistance to snagging : en
  • US2639515A - Drier and method : en
  • DE754128C - Process for the desulfurization of iron ores : de en
  • DE877779C - Telegraph arrangement with conversion from start-stop to synchronous operation : de en
  • FR1028512A - Device for actuating a control relay : en fr
  • GB692030A - Improvements relating to moulding mixtures : en
  • FR1028761A - pneumatic lower limb elevator : en fr
  • FR1029110A - Relay device : en fr
  • US2639432A - Zipper shirt : en
  • US2639752A - Metallic resilient wheel : en
  • DE755779C - Adcock system with remote-controlled receiver arranged at the level of the horizontal connecting lines : de en
  • US2639450A - Dock loading ramp unit : en
  • US2639896A - Rotary rock drilling bit : en
  • FR1028919A - Installation for the production of hot gases under pressure : en fr
  • GB692093A - Improvements in or relating to mixing machines : en
  • DE755112C - Arrangement for preventing a drop in speed when loading AC commutator motors with adjustable speed : de en
  • DE1656543U - LUGGAGE RACK. : de en
  • GB692045A - Coating of textile materials : en
  • FR1028716A - Thermal switch-off device for blocked timer : en fr
  • USD169672S - Tiltable board game apparatus : en
  • AU1713053A - Package of flexible material : en
  • DE877936C - Wave knife for short waves : de en
  • CA493145A - Color photographic materials : en fr
  • US2639506A - Curve pen adapter : en
  • US2640145A - Jacketed and double ended lamp unit : en
  • SU95492A1 - Development system of high-grade steeply dipping seams with horizontal layers : en ru
  • US2639725A - Pilot operated relief valve for pumps and the like : en
  • AU1700653A - Electric cutting, shaping and grinding : en
  • DE1656370U - FASTENING DEVICE FOR TRAFFIC SIGNS, SIGNS OD. DGL. : de en
  • DE877577C - Device for longitudinal sealing between the height of the defense bodies adjustable in relation to each other in water dams : de en
  • FR1028683A - Portable automatic warning device : en fr
  • GB692006A - Improvements in or relating to engine starter drives : en
  • CH290955A - Forge casting process. : de en
  • US2639483A - Device for guiding weblike material : en
  • DE1656249U - STREUDOSE. : de en
  • DE877943C - Parquet board : de en
  • DE1656471U - LOWER LEG PROSTHESIS. : de en
  • FR1029015A - Advanced hem folding device for sewing machines : en fr
  • US2639760A - Adjustable resilient shock absorbing support for vehicle saddles : en
  • DE877580C - Shuttle : de en
  • AU1712353A - A heater for fluids : en
  • CH291075A - Tube closure. : de en
  • DE877867C - Holding device for the rear axle of a bicycle : de en
  • DE851608C - Device for venting oil dispensing devices with oil knife : de en
  • DE877875C - Centrifuge spinning or twisting machine : de en
  • DE877908C - Process for surface hardening by carbonitriding : de en
  • DE877452C - Process for the production of olefins : de en
  • DE877621C - Method for the transmission of moving images : de en
  • DE877894C - Process for the production of pure selenium : de en
  • DE877898C - Process for the preparation of ester-like condensation products : de en
  • US2639459A - Door closer : en
  • US2640017A - Production of substantially pure and anhydrous alcohols by distillation : en
  • DE1656385U - ADVENT TABLE CHANDELIERS. : de en
  • US2639946A - Molecular spray carbonator assembly : en
  • US2639996A - Filamentary cathode : en
  • DE765521C - Process for the preparation of 1,3-diolefins : de en
  • DE839069C - Acoustic guidance device for the blind : de en
  • DE877475C - Housing foot for electrical machines : de en
  • DE757278C - High voltage electrical cable : de en
  • DE877533C - Electrically or gas-heated copper soldering iron : de en
  • DE877590C - Drawing press : de en
  • FR1028662A - Electronic guns for the production of tube bundles and applications to tubes with beam propagation perpendicular to crossed electric and magnetic fields : en fr
  • FR1028681A - Improvements to hydroelectric installations : en fr
  • USRE23660E - Fastening device : en
  • US2639522A - Clothes catcher for ironing boards : en
  • USD169694S - Ash teay : en
  • FR1029004A - Improvements to electrical storage devices : en fr
  • FR1029070A - Device for improving the hot air heating of automobile bodies : en fr
  • US2639590A - Means for defrosting refrigerators : en
  • US2640140A - Portable hot beverage preparation apparatus : en
  • FR1028909A - Improvements to valves likely to be applied more particularly to the control of hydraulic systems : en fr
  • DE877474C - External rotor motor with additional insulation : de en
  • DE877563C - Locking device for the raised axle of a double axle arrangement of road vehicles : de en
  • DE877701C - Automatic control for an aircraft : de en
  • DE882389C - Front loaded washing machine and / or drying machine : de en
  • USD169703S - Handkerchief or the like : en
  • US2640006A - Nu-organolead-phthalimides as fungicides : en
  • FR1028633A - Rescue collar : en fr
  • FR1028870A - Method of transmitting signals and transmitting and receiving devices suitable for the implementation of this method : en fr
  • CA493093A - Shuttle winders : en fr
  • CA493184A - Coincidence timing system : en fr
  • GB691975A - Cleaning device for containers for food and the like : en
  • DE877611C - Technique for the steric rearrangement of cinchona alkaloids : de en
  • CH290890A - Process for the preparation of 4-amino-5-keto-1,3,4,5-tetrahydro-benz (cd) indole. : de en
  • DE755771C - Circuit for receiving or amplifying high frequency signals : de en
  • US2640013A - Distillation of tars and like liquid hydrocarbons : en
  • AT174966B - Two-part cable protection tube : de en
  • AU1704053A - Improvements indirect current electricity generators : en
  • US2640021A - Composition, bath, and process for chromium plating : en
  • FR1028717A - Windscreen wiper mounting head : en fr
  • GR14443B - CLOSED CANNON SEAT. : el en
  • AT174993B - An electric discharge tube having a cathode consisting of a porous body of refractory metal and a method for producing such a cathode : de en
  • AU164379B2 - Fluid pressure power feed mechanisms : en
  • CA493233A - Method of transmitting signals by means of a carrier wave : en fr
  • DE878039C - Manufacture of scythes from sheet steel : de en
  • DE877546C - Light shutter or fire flap arrangement : de en
  • FR1028773A - Liquid product dosing machine : en fr
  • FR1028921A - Spring seat : en fr
  • US2639601A - Swingable door for tumbler type clothes washing machines : en
  • DE877844C - Method for operating a gas turbine system with pressurized gasification of the fuel : de en
  • FR1028753A - Apparatus for launching rocket bombs from an aircraft : en fr
  • FR1028502A - Alkoxy-polysiloxanes : en fr
  • GB692001A - Improvements in or relating to ultrasonic inspecting devices : en
  • DE877839C - Potato harvester : de en
  • US2640032A - Heat transfer liquid of disproportionation mixture of alkyl orthosilicates : en
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  • FR1028982A - Improvements to electronic tubes : en fr
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  • FR1029092A - Hydraulic brake for vehicle, especially for motor vehicle : en fr
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  • AU1711053A - Improvements in or relating to fluid containers : en
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  • FR1028515A - Process for manufacturing advanced refractory materials : en fr
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  • FR1028709A - Automotive direction change indicator control : en fr
  • FR1028859A - Process for manufacturing footwear or the like and footwear or other articles obtained by this or similar process : en fr
  • FR1029066A - Electric drive device for obtaining alternative movements, particularly in refrigeration machines : en fr
  • FR1028665A - Winch : en fr
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  • FR1028579A - Device for fixing brake handles or other control member for cycles, motorcycles or the like : en fr
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