• US1957525A - Camera : en
  • US1957680A - Stoker mechanism : en
  • US1957659A - Telephone substation system : en
  • AU1460433A - An improved construction of moving coil loudspeaker : en
  • DE596837C - Isolating agent for the protection of surfaces of various kinds : de en
  • CA341507A - Fertilizer : en fr
  • AU1472433A - An improved apparatus and process forthe concentration and/or sizing of mineral particles : en
  • US1957544A - Circulating heating stove : en
  • US1957779A - Heat exchange device : en
  • US1958381A - Carbureting process : en
  • US1957780A - Process for the conversion of hydrocarbon oils : en
  • US1958084A - Filing device : en
  • USD92161S - Design for a combination signal : en
  • AT137488B - Carrier current transmission system via cable lines. : de en
  • US1957819A - Refining metal : en
  • US1957965A - Pulverized fuel burner : en
  • US1958180A - Coupling mechanism for washers and headed fasteners : en
  • US1958233A - Presser-foot for sewing machines : en
  • CA341390A - Vernier height gauge : en fr
  • CA341460A - Cigarette tobacco feeding mechanism : en fr
  • CA341547A - Typewriter : en fr
  • AT137491B - Toilet flushing device. : de en
  • AT137528B - Cover plate for the lower stitch forming tools of a sewing machine. : de en
  • US1957898A - Settling apparatus : en
  • US1958097A - Corrective insole : en
  • US1958144A - Machine for making stick candy : en
  • USD92194S - Design for a bathroom scale casing : en
  • US1958058A - Pamphlet binder : en
  • USRE19158E - Air brake apparatus : en
  • DE596670C - Handling head for electrical fuse links : de en
  • DE596967C - Liquid switches, especially expansion switches : de en
  • US1957668A - Axially movable brake servo : en
  • AT137445B - Insulating body or layer for indirectly to be heated cathodes of electrical discharge vessels. : de en
  • US1957767A - Manufacture of alumina : en
  • AU1439433A - Method of making briquettes : en
  • AT137434B - Sending method. : de en
  • CA341543A - Shoe heel attaching machine : en fr
  • DE596474C - Mopping device for floors with a device for drilling the wipe on the device handle : de en
  • GB409992A - Improvements in or relating to spark arrestors, soot collectors and the like : en
  • FR763973A - Process for manufacturing powder based on magnesium hydrate, for skin care : en fr
  • DE596485C - Knot catcher for paper stock u. like : de en
  • US1958273A - Pressure device for dispensing fluids, grease, and the like : en
  • CA341505A - Token device : en fr
  • DE596836C - Process for the production of gray dyes of the anthraquinone series : de en
  • FR763860A - Household waste incineration furnace : en fr
  • CA341493A - Crinkled elastic material : en fr
  • CA341517A - Tool for cutting tongues in metal sheets : en fr
  • AU1469433A - Improvements in process of treating combustible gas : en
  • US1957967A - Scarf or muffler : en
  • US1958117A - Ski binding : en
  • US1958166A - Electrical signal receiver : en
  • DE596417C - Mixing device at Kollergaengen : de en
  • GB410021A - Improvements in or relating to the ventilation of byres or the like : en
  • US1957807A - Orifice meter fitting : en
  • US1958010A - Control apparatus for liquid separators : en
  • US1958347A - Candelabrum socket : en
  • FR763828A - Light regulator : en fr
  • US1957492A - Preparations for treating textile materials : en
  • US1958236A - Brake mechanism for motor vehicles : en
  • US1957997A - Hydraulic shock absorber : en
  • US1958036A - Means for making depthographs : en
  • USRE19155E - Rubber coated article and method : en
  • US1958346A - Oiling device : en
  • US1958349A - Grid electrode of vacuum electric tube devices : en
  • US1957499A - Metallic propeller and method of making : en
  • US1957538A - Electrical network : en
  • US1958160A - Collar clasp : en
  • US1958355A - Attachment for postage meter : en
  • FR763977A - Typewriter carriage advancement device : en fr
  • DE596895C - Ground connection for the switchboard : de en
  • GB409821A - Improvements connected with the clutch and change gear mechanism of power propelled vehicles : en
  • CA341404A - Textile material : en fr
  • US1957702A - Method of making radiators : en
  • US1958153A - Loud speaker indicator : en
  • US1958338A - Electrical make-and-break contact : en
  • GB410015A - Improvements in or relating to high speed electrically driven portable dulling and like tools : en
  • US1957791A - Pipe painting device : en
  • US1957936A - Manufacture of amino-dihydroxy-anthraquinones : en
  • CA341396A - Clarifying sol preparation : en fr
  • US1957932A - Method of and furnace for heat treatment : en
  • US1958356A - Automatic parking brake : en
  • DE596835C - Revolving electric metal halide lamp : de en
  • US1957826A - Shingle : en
  • US1958242A - Safety cut-off device fob burners : en
  • GB409871A - Production of alkali metal carbamates : en
  • US1957981A - Tire building apparatus : en
  • CA341435A - Dirigible aircraft : en fr
  • AT137554B - Electric discharge tube. : de en
  • DE596983C - Large-length spray device for atomizing liquids using compressed air, especially on the inner surfaces of block molds : de en
  • FR43399E - New Water Insoluble Azo Dyes and Method of Preparation : en fr
  • GB410499A - Improvements in or relating to electrical resonant circuit arrangements : en
  • GB410059A - Improvements relating to windscreen wipers : en
  • US1957519A - Multiple radio receiving system : en
  • US1957942A - Wire coating machine : en
  • US1958336A - Variable pitch propeller : en
  • FR763975A - Marker and folder device for card games : en fr
  • FR763988A - Absorbent fabric for cleaning : en fr
  • US1958022A - Toothbrush holder for tooth powder cans or containers : en
  • US1958125A - Hose coupling : en
  • US1958389A - Emergency brake release and cut-out valve : en
  • GB410022A - A carriage-feeding device for typewriters : en
  • GB410083A - Improvements relating to synchronising clutches for power transmission : en
  • DE596647C - Process for the production of a non-corrosive engine propellant : de en
  • GB409845A - Improvements in hinges : en
  • FR763968A - Method and device for screening materials in jet and impact sprayers : en fr
  • FR763970A - Counting devices for rolled coins or tokens : en fr
  • GB409799A - Improvements in and relating to vehicle lamps : en
  • GB409842A - Improvements relating to automatic circuit-breakers, switches and the like, in whichthermally-sensitive release devices are used : en
  • GB409939A - Improvements in or relating to wheel toys : en
  • GB410134A - Improvements in or relating to apparatus for marking roads or ways : en
  • GB409786A - Means for compressing and inserting piston rings into cylinders : en
  • GB409993A - Improvements in stabilising devices for aircraft : en
  • CA341468A - Flash-removing tool : en fr
  • US1957480A - Disconnect type fuse box : en
  • US1957802A - Spark plug tester : en
  • FR763965A - Pipe enhancements : en fr
  • GB409973A - Composite frame moulds for the preparation of confectionery, such as chocolate : en
  • GB410032A - Improvements in and connected with bag-making machines : en
  • GB410498A - Improvements in or relating to the colouration of cellulose esters and ethers : en
  • US1957980A - Receptacle : en
  • FR763901A - Framed seats for attached frames : en fr
  • FR763937A - Convenient table for washing babies : en fr
  • GB410051A - Improved method of transmitting signal currents through telephone lines : en
  • DE587173C - Food can with clamp-on lid : de en
  • DE596610C - Reusable tap, especially for coal dust pipelines : de en
  • US1957976A - Feed control mechanism : en
  • USD92191S - Design fob a table top : en
  • DE596612C - Device for polishing, cleaning, etc., especially for manicure purposes : de en
  • DK48724C - Flashlight. : da en
  • CA341407A - Traffic guard : en fr
  • US1957773A - Self locking contact plug : en
  • US1958217A - Lubricating device : en
  • US1957608A - Adjustable headrest : en
  • US1958351A - Portable magnetic separator : en
  • DE596540C - Retractable bar, holding the coffin, guided in a coffin raising and lowering device : de en
  • DE596965C - Device for the row-wise arrangement of terminal bodies made of insulating material for electrical lines, which are connected to one another by transverse tendons to the row axis : de en
  • US1957635A - Brake shoe construction : en
  • US1957968A - Smoking pipe : en
  • US1958165A - Hand wheel for manually operable valves : en
  • US1958262A - Valve : en
  • AT137435B - Process for the production of protective substances, in particular disease protection substances and medicinal substances. : de en
  • US1957832A - Speed reducing gearing : en
  • FR763904A - : fr
  • US1957744A - Production of gaseous mixtures containing hydrogen and nitrogen from methane : en
  • DE596407C - Heating boiler : de en
  • DE596600C - Block printer : de en
  • FR763969A - Process for spraying materials by launching a jet : en fr
  • DE596565C - Process for conveying a dust-air emulsion : de en
  • DE596867C - Closure for containers with semi-solid or liquid contents, such as tubes, bottles, etc., with a rotatable, non-longitudinally displaceable cap : de en
  • USD92204S - Design for a shoe : en
  • US1957721A - Ophthalmic mounting : en
  • FR763796A - Radio reception arrangement : en fr
  • GB410045A - Improvements relating to the packaging of thread on bobbins : en
  • FR763871A - Photoelectric device for smoke detection : en fr
  • FR763908A - Process and devices for producing cold using the exhaust gases of internal combustion engines or similar machines : en fr
  • FR763922A - Receiver with automatic volume control : en fr
  • US1958089A - Bearing element : en
  • GB409955A - Improvements in and relating to the art of electric arc welding : en
  • GB410006A - Improvements in or relating to the manufacture of rubber bands, rings and the like : en
  • GB410028A - Toothed wheel pump for artificial silk spinning machines : en
  • DK48711C - Adjustment device for the plow and the wheel on the plows. : da en
  • DK48717C - Procedure for the Preparation of Aminomethylheptene Derivatives. : da en
  • US1957938A - Bleaching process : en
  • US1957846A - Rotating index combination lock : en
  • US1958131A - Method of producing weather : en
  • US1957582A - Attachment plug receptacle : en
  • FR763889A - New process making berets shrink-resistant to moisture : en fr
  • GB410126A - Manufacture of salts of organic esters of cellulose : en
  • FR763936A - Silent automatic volume control circuits, for radio receivers : en fr
  • AT137549B - Control of the shovels on shovel chains for driving vehicles. : de en
  • FR764052A - Drawing palette for easy and precise application of lipstick : en fr
  • US1957598A - Weather strip : en
  • DE596688C - Carburetor device : de en
  • FR763822A - Synthetic lacquers and their preparation process : en fr
  • GB409873A - Connecting device for straps, boots, braces and other articles : en
  • AT137427B - Process for the production of substances enriched in vitamins. : de en
  • US1957594A - Distributor : en
  • US1958025A - Art of making bearing cages and the product thereof : en
  • AT137406B - Tripod for weapons, optical devices, etc. like : de en
  • DE596564C - Armature for remote indicator systems with a four-phase winding : de en
  • DE596381C - Process for the production of guide and bank revetments on bed load-carrying rivers : de en
  • GB409840A - Improvements in or relating to loose leaf binders, and the like : en
  • GB409991A - Metal tube particularly for locating electrical conductors : en
  • FR763954A - Advanced roof frame : en fr
  • DE596704C - Device for inserting tubes into boxes : de en
  • GB409810A - Improvements in or relating to bottle crates or holders : en
  • GB409984A - Improvements in machines for securing together two cup-like sheet metal bodies : en
  • GB410146A - Improvements in or relating to means applicable to vehicles for jacking up or like purposes : en
  • DE596826C - Hydraulic drive for weight-automatic track brakes with vertical pressure cylinders : de en
  • US1958199A - Die-casting machine : en
  • CA10321S - Golf hose : en
  • CA341442A - Razor and stropper : en fr
  • DE596707C - Method and device for drying : de en
  • US1958264A - Valve gear : en
  • US1958357A - Electrical make-and-break contacts : en
  • US1957534A - Bottle feeding mechanism : en
  • US1958345A - Sweatband : en
  • US1957463A - Fastener-inserting machine : en
  • US1957987A - Method and apparatus for making nut blanks : en
  • AT137467B - Standing umbrella with an inclined adjustable canopy. : de en
  • FR43357E - Cooling device for cannons and rapid-fire rifles : en fr
  • GB410054A - Improvements in or relating to sparking plugs : en
  • GB410081A - Improvements in and relating to automatic bag filling and weighing machines for powdered or granular material : en
  • US1957664A - Thermostatic control mechanism : en
  • US1957713A - Toy gun : en
  • US1958307A - Process relating to the dyeing of wool : en
  • US1957709A - Woodworking clamp : en
  • DE596690C - Injection device for internal combustion engines : de en
  • FR763799A - Soft drip mat for cups and glasses : en fr
  • US1957954A - Process for purifying oils and for converting incombustible oils into homogeneous fuels : en
  • AT137471B - Dust catchers for vacuum cleaning devices. : de en
  • CA341525A - Cosmetic container : en fr
  • CA341494A - Fluid pump : en fr
  • US1958050A - Packing material : en
  • AU1115333A - Improvements in and relating to wireless transmission systems : en
  • DE596708C - Dryer with built-in rocking wheels : de en
  • GB409983A - An improved process of and apparatus for the production of bent iron and steel sections : en
  • AU1470333A - Froth flotation or separation : en
  • DE596882C - Device for drying fibrous webs, in particular paper and cardboard webs : de en
  • US1957908A - Esters of carvacrol and their : en
  • AT137446B - Method and circuit for operating a transmitting-receiving arrangement for high-frequency traffic. : de en
  • US1957662A - Locking device : en
  • US1958367A - Thermal electric fuse : en
  • US1957812A - Valve for vacuum systems : en
  • US1957946A - Process for the conversion of hydrocarbon oils : en
  • DE1299891U - : de en
  • DE596799C - Training body for hand looms : de en
  • DE596938C - Back suction protection device for clean water pipes : de en
  • US1957726A - Combined shirt and trunks : en
  • US1958109A - Method of making alpha casting of different metals : en
  • DE596516C - Synchronous motor for clocks and like : de en
  • DE594951C - Cutting device with an upper and a lower knife on upholstery spring coiling machines : de en
  • CA341486A - Coating composition : en fr
  • AT137409B - Mouthpiece for extrusion presses for the production of all systems of roof tiles or the like. : de en
  • US1957551A - Electric motor : en
  • US1958316A - Coupler : en
  • US1957433A - Method of making a photographic printing plate : en
  • US1957907A - Horse collar : en
  • US1958266A - Curb service tray : en
  • GB410123A - Improvements in imitation fuel : en
  • AT137576B - Process for the production of iodine sticks from alcoholic iodine solutions solidified with soap. : de en
  • GB410174A - Improvements in or relating to tobacco cutting machines : en
  • DE586446C - Process for the preparation of guanidine salts : de en
  • AU1381733A - New artificial oil-soluble resinous compositions : en
  • US1957900A - Photo-mechanical resist : en
  • US1958282A - Radio apparatus : en
  • DE596807C - Device for switching off electrical energy : de en
  • US1957764A - Method of increasing strength of salt solutions : en
  • US1957995A - High tension cable : en
  • FR763840A - Process for sizing all textiles : en fr
  • AT137483B - Terminations, connecting sleeves, branch sleeves or the like for electrical cables. : de en
  • US1957530A - Method of manufacturing connecters : en
  • GB409911A - Process for the deoxidation and purification of copper : en
  • US1958107A - Footwear appliance : en
  • US1958263A - Gas tight seal and method for making same : en
  • US1958102A - Fungicide : en
  • FR763920A - Method and device for fixing the end of the wire on the spool and the spindle, in the winders : en fr
  • FR763963A - Media for phonographic recordings : en fr
  • DE596937C - Packing box, especially for fish, with an inner lid that fits the packaged goods : de en
  • FR763789A - High-performance equipment for so-called Lyon printing of fabrics : en fr
  • GB410007A - Improvements in and relating to electrically driven rollers : en
  • DE596924C - Fire protection device with extinguishing device for playback cinematographs (projectors) : de en
  • US1957455A - Automobile brake testing device : en
  • FR43363E - Improvements to vehicles running on rails : en fr
  • GB410109A - Braiding or core covering machine : en
  • GB410118A - Manufacture of organic esters of cellulose and its derivatives : en
  • AT137423B - Film transport device. : de en
  • US1957603A - Water shed plate for clothes wringers : en
  • US1958083A - Method of charging continuous flow reaction containers with alum : en
  • GB409954A - Improvements in caps for pit props and like supports : en
  • US1957829A - Resistance unit : en
  • DE596655C - Bayonet-like lock on press studs : de en
  • US1958185A - Apparatus for hair waving : en
  • US1958188A - Shock absorber : en
  • AT137525B - Process for the production of opanks. : de en
  • AT137589B - Overhaul clutch with rejection claws. : de en
  • US1957813A - Aircraft : en
  • CA341381A - Nitrogen fixation : en fr
  • US1958325A - Flotation machine : en
  • US1958195A - Scraper : en
  • DE596633C - Thread wax device for sewing machines : de en
  • GB409761A - An improved rabbit trap : en
  • GB410013A - Improvements in or relating to games of skill : en
  • FR763881A - Method and device for the treatment of hydrocarbons : en fr
  • GB409807A - Improvements in or relating to the control of fuel injection apparatus for internal combustion engines of the liquid fuel injection compression ignition type : en
  • US1957478A - Method of applying labels : en
  • DE596620C - Microscope for optical length measurement : de en
  • US1957891A - Brake mechanism for vehicles : en
  • FR763931A - Device for the distribution of pasty products : en fr
  • GB409778A - Improvements in or relating to packings for preventing fluid leakage between stationary and rotating members : en
  • FR763813A - Process for the production and placement of bituminous material for road surfacing : en fr
  • FR764044A - Acceleration and deceleration measuring device : en fr
  • GB409850A - Improvements in or relating to electrically heated cooking apparatus : en
  • GB409831A - An improved method for application of closures to cans, jars or like containers : en
  • GB409859A - Improvements relating to emulsifiers, particularly for making artificial cream, and method of use thereof : en
  • GB410093A - An improvement in box or case fasteners or the like : en
  • DE596698C - Replaceable rubber tread : de en
  • GB409825A - Improvements in hydraulic operated brakes : en
  • DE596961C - Paper cup arrangement on typewriters : de en
  • FR763830A - Gear change : en fr
  • GB410097A - Improvements in, or relating to, toy or model motor-driven vehicles : en
  • GB410165A - Improvements in or relating to high frequency liquid cooled thermionic valve arrangements, suitable for use in radio and similar transmission systems : en
  • DE596875C - Closed fuse for high breaking capacity : de en
  • FR43386E - Improvements to liquid displacement and low resistance switches : en fr
  • GB410034A - Improvements in and relating to elastic fluid generators : en
  • GB410080A - Improvements in or relating to sealing or locking devices : en
  • CA341414A - Paper container : en fr
  • CA341501A - Railway signalling system : en fr
  • CA341518A - Paper manufacture : en fr
  • GB410157A - Improvements in machines for applying a layer of plastic material to articles such as biscuits : en
  • DE596869C - Fire lighter : de en
  • FR763791A - Device for controlling lighting or other devices of a motor vehicle : en fr
  • GB410084A - Improvements in cam mechanisms for picking mechanisms for looms for weaving : en
  • US1958190A - Toilet paper pack : en
  • US1958004A - Internal combustion engine and similar machine : en
  • US1958295A - Food product : en
  • GB410082A - Improvements in or relating to welding : en
  • GB409981A - Improvements in floor polishers : en
  • US1957990A - Canopy door : en
  • US1957972A - Multistage regulator : en
  • GB410027A - Improvements in or relating to mountings for belt and rope pulleys and the like : en
  • US1957523A - Flow velocity actuated flowing device : en
  • US1958306A - Bottle capping mechanism : en
  • US1957581A - Shoe support : en
  • US1957749A - Catalytic production of hydrocyanic acid : en
  • US1957879A - Grinding machine : en
  • US1958026A - Automobile hoist : en
  • US1958087A - Automatic control for refrigeration systems : en
  • US1958399A - Reamer for citrus fruits : en
  • FR43381E - Method and apparatus particularly intended for the manufacture of reinforced concrete parts : en fr
  • US1957619A - Adjustable reel for dye kettles and the like : en
  • US1957940A - Body for use in electrolysis : en
  • GB409784A - Improvements in and relating to electrical measuring instruments : en
  • DE596749C - Arrangement for voltage regulation for an electrical three-wire distribution system : de en
  • FR763928A - Nickel-aluminum magnetic steels : en fr
  • GB410047A - Improvements relating to the inlet passages of the cylinders of internal combustion engines : en
  • GB410108A - Improvements in cord-circuit repeaters for use in telephone systems : en
  • US1957510A - Electrical indicating instrument : en
  • US1957853A - Automatic fish striker : en
  • US1958074A - Combined window and sun shade : en
  • GB409802A - Improvements in and relating to electric insulating materials : en
  • GB409862A - Improvements in or relating to direct current generators : en
  • US1957920A - Manufacture of 1-amino-4-hydroxy-anthraquinone : en
  • US1957910A - Liquid dispensing apparatus : en
  • GB409966A - Improvements in gear generating machines : en
  • DE596915C - Vending machine : de en
  • DE596631C - Epicyclic gearbox : de en
  • FR43377E - Improvements to pistons and their applications to superchargers : en fr
  • DE596667C - Device for accelerating the filling and releasing of air brakes : de en
  • DE596757C - Process for the production of acid-tinting wool dyes of the anthraquinone series : de en
  • US1957862A - Drinking fountain : en
  • US1958364A - Heat transfer tube : en
  • FR43356E - Improvements to TV analyzer devices : en fr
  • US1957704A - Envelope : en
  • US1958382A - Rotatable mop : en
  • FR43380E - Seaplane : en fr
  • FR763938A - Process for the manufacture of masses composed of esters and (or) ethers of cellulose or containing them : en fr
  • DE596140C - Hydraulic, hand operated, portable shredding machine with built-in pressure pump : de en
  • DE596575C - Capacitor or capacitor-like apparatus with a solid dielectric that is under the pressure of a gas, an insulating liquid or ground : de en
  • GB409920A - Improvements in yarn winding machines : en
  • US1957761A - Ball joint for conduits : en
  • US1957485A - Cylinder grinding tool adjusting mechanism : en
  • FR763952A - Concrete manufacturing process and resulting products : en fr
  • GB409905A - Improvements in or relating to amusement apparatus : en
  • FR763862A - Improvements to the electrical control of ship rudders : en fr
  • US1957854A - Apparatus for carbonating and dispensing liquids : en
  • DE596682C - Overflow device for pressure gauge : de en
  • US1958108A - Centrifugal pump : en
  • US1957926A - Book jacket : en
  • US1958168A - Combined buck and plinth : en
  • US1958200A - Recuperator structure : en
  • US1957777A - Wrapper for cigarette packages and the like : en
  • US1957476A - Swiveled drill bit for cable tool drilling : en
  • US1958072A - Method of making molds : en
  • US1958239A - Positive column discharge device : en
  • USD92211S - Design for a textile fabric or : en
  • GB409989A - Improved method of and means for testing and correcting want of balance of rotary bodies : en
  • USD92173S - Design for a glass bottle : en
  • FR43392E - Metallic Coated Electrical Switch Refinements : en fr
  • US1958259A - Automatic steering equipment : en
  • US1958309A - Gravel washer and separator : en
  • USD92221S - Design for a housing for coin : en
  • FR763847A - Improvements to the sound emitting devices of talking machines, t. s. f., amplifiers and the like : en fr
  • GB410017A - Improved method and circuit-arrangement for keeping constant an electric current : en
  • US1957498A - Automatic service disconnecter : en
  • US1957654A - Wheel : en
  • GB409816A - Improvements in the refining or purification of benzol, petrol and like light spirits : en
  • US1957468A - Distillation of coke oven tar : en
  • FR763962A - Further training in internal combustion and explosion engines : en fr
  • FR43361E - Device for studying and solving the game and bridge problems and for recording the solutions to said problems : en fr
  • US1958167A - Blocking arrangement in electric signaling systems : en
  • DE596753C - Process for the production of water-insoluble azo dyes : de en
  • DE596791C - Process for preventing dusting in the production of patterns by rubbing on dry paints : de en
  • GB410073A - Improvements in spring hammers : en
  • CA341536A - Moulding powder : en fr
  • FR763792A - Improvements and devices made to hydraulic cylinders : en fr
  • US1957806A - Deck lid lock : en
  • US1957950A - Calculating machine : en
  • US1958333A - Turbine : en
  • US1958401A - Justification control device for typographical machines : en
  • USD92205S - Design fob a picture mat : en
  • DE596466C - Circuit arrangement for motors that are fed by a rectifier : de en
  • US1957636A - Brake : en
  • US1958059A - Metal trimming mechanism : en
  • CA341403A - Gas meter : en fr
  • GB409925A - Improvements in or relating to portable drilling and like rotary machines : en
  • FR763853A - Improvements to remote control devices, particularly contactors or electrical switches : en fr
  • GB409969A - Process of and apparatus for the pyrolytic conversion and coking of mixtures of finely divided solid carbonaceous material and hydrocarbon oil : en
  • US1957824A - Paper making : en
  • US1958342A - Window ventilator : en
  • US1958274A - Method of securing floor edging strips : en
  • CA341491A - Wine manufacture : en fr
  • CA341504A - Metal extruding apparatus : en fr
  • AT137595B - Device for supplying an agent, preferably a liquid, to a reciprocating organ of a machine. : de en
  • AT137425B - Switching arrangement for automatically limiting the duration of an electrical process. : de en
  • AT137474B - Method of heating to high temperatures and means of carrying it out. : de en
  • FR763896A - Lifting eyelet with removal for vehicles with removable body : en fr
  • AT137401B - Cinema recorder with cassette. : de en
  • US1957507A - Piston ring slotting fixture : en
  • US1958202A - Method of making sizing material : en
  • US1957717A - Fluid fuel burner : en
  • US1958249A - Refrigerating system : en
  • USD92180S - Design fob a stocking : en
  • FR763910A - Improvements made to gaseous fuel burners distributed under relatively high pressure : en fr
  • GB409876A - An improved sheath for the horns of cattle : en
  • DE596663C - Cooler with cast iron housing, which contains a tubular passage space and encloses a passage space surrounding the pipes : de en
  • US1957692A - Air brake : en
  • FR763944A - Improvements to notching-drills for railway sleepers : en fr
  • FR763987A - New lace or fabric item : en fr
  • GB409813A - Improvements in the removal of substances forming resins from benzines which are to be employed as motor fuels : en
  • GB410128A - Improvements in or relating to electric signalling and/or remote controlling systems : en
  • DE596475C - Device for brushing and steaming carpets and plush-like fabrics from furniture and the like. like for the household : de en
  • FR43370E - : fr
  • US1958343A - Brooder : en
  • FR763878A - Improvement in external and lateral guiding devices of a film during its passage through the film corridor of projection cinematographic devices : en fr
  • DE596787C - Windshield wipers operated by pressure medium : de en
  • DE596914C - Method for testing metals, especially welded workpieces, by bending test bars : de en
  • USD92195S - Design for a service station for : en
  • IE13146L - Ties and scarves : en
  • US1957580A - Process of preparing azo dyestuffs containing copper : en
  • US1957687A - Toy with spark producing device : en
  • FR763985A - Improvements to shoe trees : en fr
  • CA341492A - Rubber filament making apparatus : en fr
  • DE596255C - Process for the preparation of ketones from citral : de en
  • DE596899C - Iron molding box : de en
  • AT137420B - Cruciate garter belt. : de en
  • AU1266533A - Improvements in and connected withthe construction of belt pulleys andthe like : en
  • DE596732C - Touch mechanism of a die setting and line casting machine with a disengageable coupling between (blank) die release buttons and the wedge space release button : de en
  • FR763983A - Saddle for cycles and similar vehicles : en fr
  • GB410095A - Improvements in couplings for vehicles : en
  • AT137582B - Bicycle support with lock. : de en
  • CA341483A - X-ray apparatus : en fr
  • DE596615C - Device for humidifying and cleaning the air in rooms heated by steam heating : de en
  • GB410135A - Automatic multiple spindle screw machines : en
  • US1957841A - Sleeve pressing machine : en
  • AT137455B - Method and device for the vitaminization of wool fat or wool fatty alcohols for cosmetic skin creams. : de en
  • US1957705A - Spray gun : en
  • US1958203A - Routing machine : en
  • FR763940A - Telescope viewfinder with converging lens for cameras : en fr
  • GB409843A - Device for testing fishing lines and the like : en
  • CA341522A - Phonograph : en fr
  • US1958112A - Electrical filling stop motion for axminster looms : en
  • CA341413A - Paper container : en fr
  • CA341490A - Cathodic film forming means : en fr
  • CA341540A - Shoe stiffener preparing machine : en fr
  • DE596764C - Device for excavating an endless ribbon of glass : de en
  • GB410003A - Razor blade : en
  • CA341471A - Plastic moulding method : en fr
  • IE13272L - Packing machine : en
  • US1957536A - Boiler : en
  • US1958224A - Humidifying apparatus : en
  • US1958305A - Coke oven door : en
  • AT137412B - Method and device for the production of X-rays. : de en
  • AT137424B - Switching mechanism of the rotating goods container of self-collecting goods vending machines. : de en
  • US1958220A - Belt dressing : en
  • US1958403A - Heat transfer structure : en
  • US1957504A - Rotary well drilling rig : en
  • US1958105A - Thread grinding machine : en
  • CA341539A - Shoe machine : en fr
  • DE596728C - Process for the preparation of 2-oxy-5-aminopyridine or its core substitution products : de en
  • CA341464A - Brake : en fr
  • CA341538A - Clip : en fr
  • US1957493A - Treatment of textile and other materials : en
  • US1957639A - Can construction : en
  • US1957695A - Arch support : en
  • CA341482A - Digester : en fr
  • AT137469B - Bag, especially shopping bag. : de en
  • AT137564B - Cross rolling mill for the production of thin-walled tubes from thick-walled tube blanks. : de en
  • DE596694C - Lubricating device on sewing machines : de en
  • US1958040A - Boat launching and stowing apparatus : en
  • US1958098A - Braiding machine : en
  • DE596473C - Razor blade dryers : de en
  • GB409980A - Improvements in and relating to pockets for sports garments : en
  • US1957445A - Cutting apparatus : en
  • US1958178A - Method of making channel forgings : en
  • US1958387A - Tuft fabric forming loom and method of forming tuft : en
  • USD92196S - Design fob a spectacle front : en
  • US1957497A - Dump body for vehicles : en
  • CA341528A - Olefine sulphating process : en fr
  • US1957710A - Door operating mechanism : en
  • US1957894A - Vibration dampener for fluid pressure gauges : en
  • AT137534B - High pressure metal vapor arc lamp. : de en
  • CA341565A - Hydrocarbon production : en fr
  • US1957875A - Bag filling machine : en
  • US1958179A - Handling mechanism for washers : en
  • US1957855A - Hand torch : en
  • US1957453A - Casting machine for stereotype plates : en
  • US1958055A - Tank structure : en
  • US1957529A - Shock absorber for motor vehicles : en
  • US1957638A - Cleaning device : en
  • US1957570A - Truck bolster : en
  • US1957979A - Apparatus for winding artificial silk for treatment : en
  • US1958252A - Sludge level indicator : en
  • AU1195033A - Improvements in or relating to television and like systems : en
  • CA341466A - Wood block flooring : en fr
  • DE596476C - Process for separating the layer formed during the removal of contaminants from lead, tin or alloys of these metals using aluminum from the adhering metals : de en
  • DE596494C - Holder for air pumps and other rod-shaped objects : de en
  • DE596883C - Arrangement for monitoring a system for the remote transmission of measured quantities with the help of a tachometer dynamo : de en
  • AU1375233A - Improvements in process of recovering nicotine from tobacco : en
  • US1958371A - Processes for making nu-chloro azodicarbonamidines : en
  • CA341455A - Aluminium and alloys : en fr
  • CA341513A - Automobile trunk : en fr
  • US1957742A - Wall-wash flange : en
  • AT137403B - Ever-ready case for photographic apparatus. : de en
  • AT137567B - Process for the production of a cement. : de en
  • AU1454033A - Improvements in or related to apparatus for rendering offal andthe like : en
  • US1957909A - Lubricating system for internal combustion engines : en
  • CA341519A - Picture reproducing system : en fr
  • GB409916A - Improvements in or relating to the treatment of pile fabrics : en
  • US1958008A - Collapsible oar and oarlock : en
  • FR763804A - Automatic funnel for all liquids : en fr
  • GB409787A - Improvements relating to rotary pumps or the like for any suitable purpose : en
  • GB409988A - Improvements in devices for mechanical separation of dust in gases : en
  • CA341453A - Universal torch machine : en fr
  • DE574080C - Process for the production of fittings with angled or double curved surfaces, tubes and other rotating bodies : de en
  • US1958395A - Liquid feed device : en
  • DE573599C - Process for the dehalogenation of halogenated utility or waste water : de en
  • DE596509C - Process for the production of pentaerythritol : de en
  • GB410012A - Improvements in or relating to sound transmitters : en
  • DE596718C - Circuit arrangement for the production of group calls in telephone systems : de en
  • FR43353E - Bottle improvement : en fr
  • CA341555A - Multi-pocket ice cream cone : en fr
  • GB409776A - Improvements in or relating to remote control and/or supervisory systems : en
  • GB409832A - Improvements in or relating to methods of and means for effecting centrifugal separation : en
  • GB409849A - Improvements in apparatus for the treatment of flue gases, waste gases from industrial processes, and the like : en
  • GB409892A - Improvements in or relating to machines for cutting bricks and performing like operations : en
  • FR763820A - Device for connecting and bracing close walls : en fr
  • GB410069A - Improvements relating to automatic weighing machines : en
  • FR764006A - : fr
  • DE596515C - Large mirror for advertising, equipment, toilet purposes, etc. Like. With a matt, translucent edge : de en
  • DE596739C - Pantographs for electric railways : de en
  • DE1299597U - : de en
  • GB410164A - Improvements in or relating to the mercerisation of vegetable fibres : en
  • US1957546A - Indicating plug fuse : en
  • US1957915A - Production of seamless tubes : en
  • US1958361A - Method of locating faults in cable conductors : en
  • FR763872A - Electrical connection device : en fr
  • GB409773A - Improvements in or relating to the production and use of diphenyl derivatives : en
  • DE596551C - Method and device for smoothing a metallic coating on wires : de en
  • FR763886A - Mechanically operated tool : en fr
  • FR763864A - Cooling process using refrigerant mixtures : en fr
  • US1957775A - Transmission mechanism : en
  • US1958135A - Shoe : en
  • US1958218A - Calcium hydroxyethylphenylamino para sulphonate and process of preparing same : en
  • FR763989A - Protective, heat conductive and chemical resistant layers : en fr
  • GB409830A - Improvements in or relating to pliers for cutting the insulation on electric cables : en
  • GB410497A - Improvements in or relating to sewing machines : en
  • US1957461A - Acetyl-choline salts, dimethylamino-ethyl acetate, and process for their production : en
  • US1958335A - Slug casting machine : en
  • FR763888A - Improvements in apparatus for reproducing sound films : en fr
  • GB409846A - Improvements relating to the insulation of dynamo electric machines : en
  • DE596646C - Method and device for emptying a viscous liquid with a high freezing temperature, u. a. paraffin-containing petroleum distillation residue, containing container : de en
  • FR763800A - Device for mounting several radio receivers on a common antenna : en fr
  • US1957763A - Lamp : en
  • US1958310A - Process for refining petroleum crude oil : en
  • US1957550A - Transmission for motor cars and control means therefor : en
  • US1957867A - Well pumping valve : en
  • US1958057A - Signal control : en
  • DK48721C - Process for the Preparation of C, C-Phenylethyl-N-n-propylbarbituric acid. : da en
  • US1957495A - Method of straightening fenders and other sheet metal : en
  • US1957774A - Oven regulator : en
  • US1958304A - Electrode housing : en
  • US1957616A - Heating system : en
  • US1957794A - Treatment of hydrocarbon oils : en
  • FR43398E - Oscillating paddle mixer : en fr
  • USD92171S - Design fob a button : en
  • FR763874A - Improvements to electrical contacts : en fr
  • GB409769A - Improvements in and relating to lathes : en
  • US1957590A - Device for pressing sheet material : en
  • DE596892C - Cattle wagon with liquid-tight metal tub : de en
  • US1957535A - Oil gas generator : en
  • US1957733A - Blasting cartridge and charge : en
  • USD92167S - Design for a female child figure or : en
  • FR763915A - Skill game : en fr
  • DE596830C - Method for producing circuits from metal strips on an insulating plate by placing a metal foil on the plate and subsequently punching out the strips : de en
  • FR763919A - Toolbox : en fr
  • FR763979A - Cap for chimney stacks forming fume extractor and ventilation device : en fr
  • USD92202S - Design for a shoe : en
  • DE596519C - Knitted camisole : de en
  • US1958090A - Rubber shoe : en
  • DE596912C - Allocation device for track scales : de en
  • GB409932A - Improvements in or relating to cabinets for wireless receiving apparatus : en
  • GB409922A - Improvements in machines for the manufacture of sliding clasp fasteners : en
  • GB409947A - A method of temporarily reducing the total voltage across two or more series-connected rectifier groups for use with a radio transmitter : en
  • FR763773A - Lighting dynamo with switch for battery ignition : en fr
  • GB409834A - Improvements in air cooled condensers for aircraft : en
  • GB409872A - Improvements in gear change mechanism more particularly applicable to motor vehicles : en
  • USD92165S - Design for a textile fabric : en
  • US1957725A - Combination shirt and trunks : en
  • US1958039A - Elevator cable strain-equalizing connection : en
  • DE596842C - Flat weft knitting machine with undivided needle bar for the production of a stocking in one operation : de en
  • GB410100A - Improvements in and relating to screw propellers and methods of manufacturing the same : en
  • GB409803A - Improvements in and relating to pillow, bolster and like cases : en
  • FR763793A - Improvements in relays : en fr
  • GB409839A - Improvements in and relating to liquid-sprayers : en
  • DE596755C - Process for the preparation of disazo dyes : de en
  • DE596828C - Additional switching device for interference suppression from mains operated tube devices for reception and amplification purposes : de en
  • DE596954C - Headlight cover lens : de en
  • US1958037A - Grab winch : en
  • US1958230A - Clothing container : en
  • US1957881A - Measuring and distributing apparatus for alimentary liquids or others, and more particularly for milk : en
  • US1958012A - Process for the manufacture of alkali metal hydride : en
  • DE596758C - Mixture for a cold sealing compound : de en
  • FR763999A - Rubber wire manufacturing process : en fr
  • GB409751A - Improvements in organ-like instruments for the electrical production of sound : en
  • DE596622C - Feeding device on a machine for the production of perforated and eyelet laundry buttons : de en
  • DE596928C - Steering device for vehicles, especially for electric carts, for changing direction of travel : de en
  • US1958067A - Match package : en
  • USD92184S - Design for a radiator cap : en
  • US1957688A - Treatment of grain products : en
  • US1958069A - Transmission belt and method and apparatus for making the same : en
  • GB410145A - Improvements in or relating to means applicable to vehicles for jacking up or like purposes : en
  • CA341459A - Cigarette rod cut-off : en fr
  • USRE19156E - Electrical controlling apparatus : en
  • CA341426A - Packing : en fr
  • AT137419B - Double-edged punch. : de en
  • AU1272633A - Improved spud grip for wheels : en
  • GB409780A - Improvements in electric cables : en
  • DE596737C - Lever system for operating electrically set points, signals, etc. : de en
  • US1958372A - Processes of preparing : en
  • DE596930C - Leak bolt : de en
  • US1957799A - Artificial fish bait : en
  • US1957896A - Aircraft and propulsion means therefor : en
  • US1957952A - Method of making nut blanks : en
  • US1958248A - Bottle cork feeding machine : en
  • AT137507B - Whip tops. : de en
  • US1958134A - Hair brush : en
  • US1957460A - Convertible wheel structure for vehicles : en
  • CA341400A - Button making machine : en fr
  • DE538375C - Process for the preparation of organic mercury compounds : de en
  • DE596658C - Process for dyeing and printing acetate silk : de en
  • DE596752C - Heizkoerpereinsatz for long wave irradiation with irradiation hand lamps, where the socket is arranged perpendicular to the beam direction : de en
  • CA341387A - Advertising apparatus : en fr
  • CA341458A - Cigarette pasting mechanism : en fr
  • CA341552A - Cable conductor winding : en fr
  • FR43367E - Radiator for motor cars and other applications : en fr
  • GB410172A - Improvements in or relating to power operated clutch and brake mechanism : en
  • US1957437A - Manufacture of modified oil products from fatty oils : en
  • US1957438A - Mercury switch : en
  • US1958095A - Variable speed transmission : en
  • AT137429B - Process for the production of a filling compound from gutta-percha for root canal fillings. : de en
  • AT137550B - Seed dressing. : de en
  • FR763770A - Self-closing armature for leaded cables : en fr
  • GB410058A - Improvements in and relating to welting for boots and shoes : en
  • US1957606A - Processing apparatus : en
  • US1957653A - Electropneumatic braking system : en
  • GB410158A - Improvements in clutch control mechanism : en
  • FR763852A - Improvements made to flexible transmissions, in particular those used for the remote control of valves, taps, etc. : en fr
  • GB409941A - Improvements relating to counter stiffeners for shoes : en
  • DK48720C - Label Stamping Device During Labeling Machine Run. : da en
  • GB409788A - Improved harvesting appliance : en
  • GB410133A - Improvements in, and relating to, the manufacture or production of, chain-cables : en
  • GB409921A - Manufacture of azo-dyestuffs : en
  • GB410113A - Improvements in and relating to ridge ventilators : en
  • DE596671C - Braun's tube for recording periodic or short-term events in which the cathode ray writes a circle as a zero line : de en
  • DE596589C - Drilling machine for rock drilling : de en
  • DE596748C - Automatic starting device for electric motors by means of a load clutch : de en
  • US1957465A - Treatment of maple sirup : en
  • DE596861C - Display device for the wear in vehicle rubber tires : de en
  • DE596862C - Anti-skid sleeve for rubber-tired vehicle wheels : de en
  • DK48712C - Airplane wing for arrow-shaped, tailless Airplanes. : da en
  • US1958283A - Fire extinguishing apparatus : en
  • FR763911A - Back support : en fr
  • FR763760A - Palatal plate and its manufacturing process : en fr
  • FR43354E - Radiator cap : en fr
  • FR763932A - : fr
  • US1957640A - Device for providing carbon dioxide under pressure : en
  • US1957430A - Comb attachment for electric hair clippers : en
  • US1957561A - Engine : en
  • US1957458A - Apparatus for electrical precipitation of suspended particles from gases : en
  • US1957477A - Detector : en
  • US1957882A - Rotary cutter : en
  • US1957916A - Apparatus for and method of producing metal tubes : en
  • GB410138A - Improvements in electric cables : en
  • US1957568A - Cam shaft lapping machine : en
  • US1958352A - Shipping container : en
  • AU1122233A - Amplifiers : en
  • AT137470B - Fabrics, in particular for carpets or upholstery fabrics. : de en
  • US1957751A - Internal combustion engine : en
  • US1957839A - Valve bag : en
  • US1958240A - Apparatus for controlling burners : en
  • US1958162A - Track construction : en
  • US1958226A - Condenser for refrigerating apparatus : en
  • US1958277A - Converting tar or pitch to coke : en
  • US1957657A - Signaling system : en
  • AT137560B - Gas-filled electric discharge tube. : de en
  • AT137533B - Process for the production of proteinoplasts which have a pearly appearance throughout the mass. : de en
  • US1957624A - Air conditioning with ground cooling and solar heat : en
  • DK48725C - Method and Press for the manufacture of feed briquettes. : da en
  • CA341509A - Shoe manufacture : en fr
  • US1957693A - Time instrument : en
  • CA341567A - Pump for concrete : en fr
  • US1957994A - Tree coverer for silkworm culture : en
  • US1957488A - Acid inhibitor : en
  • US1957886A - Device for rapidly determining the fineness of fibers : en
  • US1958063A - Bell and spigot pipe connection : en
  • US1957691A - Mercury switch : en
  • US1957836A - Eyeglass or spectacle mounting and method of making same : en
  • AT137495B - File for saw sharpening. : de en
  • DE596711C - Electric chain thread monitor in the harness : de en
  • AT137505B - Beet harvester. : de en
  • FR763933A - Pumping device, particularly applicable to viscous liquids, such as fuel oil, consistent greases and the like : en fr
  • GB410127A - Improvements in or relating to machines for making steel shavings from wire : en
  • US1957889A - Photographic recording apparatus : en
  • DE596909C - Device on gang saws for simultaneous machine setting of the feed and the curtain : de en
  • FR763890A - Further training in the control of internal combustion or explosion engine starters : en fr
  • AU1155533A - Improvements in or relating tothe stabilisation of chlorinated hydrocarbons : en
  • AT137404B - Method and device for slurrying kaolin or the like. : de en
  • CA341418A - Sanding device for vehicles : en fr
  • CA341448A - Pinking shears : en fr
  • GB409856A - Improvements in or relating to wood block flooring : en
  • GB409967A - Improvements in or relating to sound pick-up arrangements suitable for use in broadcast and like studios : en
  • DE596673C - Process for the production of a mass which sets and hardens by the action of water or steam : de en
  • DE596880C - Lifting device for motor attachments : de en
  • US1957439A - Attachment for power drills : en
  • USD92216S - Design fob an automobile bumper : en
  • US1958365A - Motor control system : en
  • DE596981C - Injection syringe : de en
  • CA341487A - Spool and core : en fr
  • FR43400E - Children's car convertible into a mechanical car forming a sports toy : en fr
  • CA341472A - Electric power converting apparatus : en fr
  • AT137517B - Newspaper holder. : de en
  • CA341564A - Magneto : en fr
  • GB409748A - Improvements in or relating to gripping, crushing or cutting tools : en
  • GB409835A - Improvements relating to the forming of cementitious walls : en
  • US1957558A - Air temperature regulating apparatus : en
  • US1957842A - Die for assembling cloth-covered articles : en
  • AU1262533A - Improvements in, or relating to, holders or containers for tape plasters andthe like in roll form : en
  • US1957902A - Forced draft furnace : en
  • AT137584B - Backpack. : de en
  • AT137413B - Inner formwork (cast core) for the production of hollow bodies made of concrete, plaster and similar materials. : de en
  • GB409865A - Improvements relating to pertused or indented metal sheets and their manufacture and use : en
  • US1957602A - Machine for making razor blades : en
  • US1957532A - Rotary well drilling bit : en
  • GB410169A - An improved means for bringing internal combustion engines to and maintaining at a temperature to ensure efficient operation and easy starting : en
  • US1957553A - Method of feeding water to boilers : en
  • US1957776A - Sharpener for cutting machines : en
  • US1957714A - Swivel cord connecter : en
  • DE596874C - Control for switch with arc extinguishing by flowing pressurized gas : de en
  • AT137563B - Single chamber compressed air brake. : de en
  • US1957787A - Production of valuable liquid products from carbonaceous materials : en
  • US1958205A - Liquid level indicator : en
  • GB409870A - Improvements relating to sparking plugs : en
  • AT137566B - Treatment electrodes for short wave therapy. : de en
  • DE596604C - Interference protection for electric motors with concealed brushes : de en
  • GB410052A - Improvements in or relating to vacuum pans : en
  • US1957924A - Apparatus for forming metal articles : en
  • DE596635C - Grinding wheel, in particular for cutting stones : de en
  • FR43378E - Method and devices for light projection in relief of photographic and cinematographic images : en fr
  • FR763992A - Hand hoe : en fr
  • US1957489A - Arc welding machine : en
  • US1958204A - Stabilization of peroxide solutions : en
  • GB409946A - Improvements in or relating to diaphragm gas valves : en
  • GB409753A - Improvements relating to concrete and like piles : en
  • GB409851A - Improvements in and relating to protective coverings on electron discharge tubes : en
  • GB410114A - Improvements in or relating to fluorescent screens : en
  • US1957565A - Alarm system : en
  • FR763949A - : fr
  • GB409913A - Improvements in feeding devices for poultry : en
  • US1957696A - Vault : en
  • US1957868A - Cellulose acetate composition : en
  • US1958048A - Numbering head : en
  • US1958400A - Vaporizing generator : en
  • USD92169S - Design for a lip stick case : en
  • FR43375E - Advanced varicose stockings : en fr
  • GB410025A - Improvements in anchors : en
  • GB410162A - Improvements relating to the drying of hops : en
  • CA341394A - Log cabin : en fr
  • AT137577B - Hydraulic power transmission device. : de en
  • DE596742C - Circuit arrangement for four-wire connections with echo suppressors : de en
  • DK48734C - Furnace for the production of gas and coke with steam supply to the gasification chambers. : da en
  • DE596700C - Device for opening flat-pressed cross-bottom bags : de en
  • US1958350A - Clock winding mechanism : en
  • FR763950A - Plate clutch : en fr
  • GB409795A - Improvements in safety razors : en
  • US1957617A - Calculating machine : en
  • US1957697A - Door motor : en
  • US1957945A - Apparatus for the conversion of hydrocarbon oils : en
  • US1958255A - High frequency energy dissipator : en
  • US1958140A - Method of seasoning pyroxylin plastic, particularly sheets : en
  • US1957676A - Baling wire : en
  • FR43369E - Tunnel kiln alone or coupled : en fr
  • GB410035A - Improvements in dynamo electric machines : en
  • AT137430B - Glow light amplifier tube. : de en
  • US1957429A - Insecticide and insectifuge : en
  • US1957443A - Process for preparing certain acylcholine esters and their salts : en
  • US1958377A - Brake testing apparatus : en
  • DK48727C - Receiving device with automatic volume control. : da en
  • DE595477C - Process for the absorption of hydrogen sulfide, carbonic acid or other gas components : de en
  • GB410156A - Improvements in or relating to fire extinguishers : en
  • AT137410B - Container for card rolls. : de en
  • FR763891A - Recording device for recording positions occupied by moving parts, in particular for recording positions occupied by switches : en fr
  • GB409882A - Improvements in and relating to cinematographic apparatus : en
  • DE596636C - Hand tool for grinding and polishing with exchangeable covering : de en
  • DE596642C - Swing excavator equipped with an articulated ladder for creating ditches with embankment walls of various inclinations : de en
  • DE596775C - Pivoting seat for agricultural machinery : de en
  • US1957604A - Shoe rest : en
  • FR763900A - Expansion cap, particularly suitable for bottles : en fr
  • GB409868A - Improvements in or relating to sole and heel pads for boots shoes and the like and to the manufacture thereof : en
  • DE596627C - V-belt or pulley : de en
  • FR763905A - Vehicle lighting device : en fr
  • GB410481A - Process for sensitising photographic silver halide emulsions : en
  • DE596933C - Afford : de en
  • FR43362E - Improvements to sound-producing devices : en fr
  • FR763779A - Open rotor for centrifugal pumps : en fr
  • FR763803A - Distribution arrangement for three-cylinder machines : en fr
  • GB409869A - An improvements in or relating to machines for scouring or otherwise treating fabrics with liquids : en
  • GB410130A - Improvements in magazines or hoppers for relatively flat articles : en
  • DE596719C - Circuit arrangement for private branch exchanges, in which exchange and consultation calls are made over the same connection line : de en
  • DE596614C - Seal on oven doors : de en
  • AT137541B - Tilting mechanism for valve gas meter. : de en
  • DE540755C - Production of highly concentrated nitric acid : de en
  • US1957753A - Fuel pump with accessible body : en
  • GB409811A - Improvements relating to fittings for use in making connection between an electric cable and an electrical appliance : en
  • DK48731C - Underfuel for solid fuels. : da en
  • US1957562A - Diaphragm mounting : en
  • US1958397A - Process and composition of matter of protecting and coloring concrete : en
  • DE596537C - Device for preheating the combustion air from waste incineration plants and method for operating the device : de en
  • CA341495A - Insecticide : en fr
  • FR763912A - Manufacture of a fluid to waterproof fabrics : en fr
  • GB409770A - Improvements in the manufacture and production of benzanthrene : en
  • GB410173A - Improvements in leather manufacturing machines : en
  • CA341449A - Wood protecting device : en fr
  • FR763978A - Gear switch : en fr
  • DE589791C - Rollable rod for tripods, supports, carriers, etc. like : de en
  • DE596546C - Turntable loading for automatic scales : de en
  • GB409891A - Improvements in and relating to roads, sidewalks, floors and other surfacings : en
  • GB410463A - Improvements in or relating to sewing machines : en
  • FR763868A - New homodyne reception process : en fr
  • AT137526B - Device for supporting the opened upper part of base sewing machines. : de en
  • AU1273033A - Improvements in interchangeable knife edges for weighing scales andthe like : en
  • CA341546A - Edge finishing machine : en fr
  • DE596792C - Roulette-like calculation game with a revolving dial and a game ball rolling in an inclined plane : de en
  • CA341408A - Click lock : en fr
  • GB409957A - Improved method of, and means for, producing coloured pictorial or ornamental effects on glass or like transparent materials : en
  • GB410005A - Manufacture of a purified cellulose : en
  • FR43368E - Aviation engine automatic tuning process : en fr
  • FR43391E - Knitting machine : en fr
  • AU1267633A - Control unit for line casting and composing machines : en
  • DE596605C - Two-layer winding or such a corresponding single-layer winding for electrical machines with three or more, but an odd number of parallel winding branches per phase that does not have a common divider for the number of pole pairs : de en
  • US1957646A - Art of producing colored pictures : en
  • US1958021A - Fixture : en
  • US1958234A - Double deck coach : en
  • AU1111333A - Improvements in mechanism applicable to race totalizators : en
  • CA341533A - Locomotive tender : en fr
  • AU1235233A - Improved adjusting device for pulsators : en
  • US1957901A - Coin reset time period control device : en
  • DE596774C - Self-collecting electric skill tester : de en
  • US1957597A - Draft mechanism : en
  • US1958402A - Process of treating acid sludge : en
  • US1957928A - Manfolding : en
  • US1957941A - Density controlling apparatus : en
  • US1958123A - Centrifugal machine : en
  • AU1239633A - Improvements in electrical talking machine pickups : en
  • AU1458733A - A sealing device : en
  • US1958246A - Shaft packing : en
  • US1957505A - Throttle : en
  • AT137441B - Broadcast transmission system. : de en
  • AT137586B - Drawing pen for thin flat leads. : de en
  • CA341433A - Massage roller : en fr
  • DE596521C - Safety device for gas container : de en
  • DE596572C - Process for the production of Krarupdraehten : de en
  • DE596916C - Automatic loading valve for starting bottles of internal combustion engines : de en
  • CA341484A - X-ray exposure timer : en fr
  • DE596595C - A back and forth movable spraying device arranged on a sheet-fed printing machine for spraying freshly printed sheets with liquid, solidifying substances : de en
  • FR763827A - Camp beds and their mounting devices in tents : en fr
  • US1958297A - Fluid operated switch : en
  • AU1070232A - Process for the treatment with hydrogenating gases of distillable carbonaceous materials : en
  • CA341541A - Shoe sole positioning mechanism : en fr
  • AU1242233A - Improvements relating tothe drying of timber andother materials : en
  • CA341478A - Floor topping mastic : en fr
  • DE588103C - Measuring device, in particular surveying device : de en
  • US1957464A - Combined bottling and capping machine : en
  • US1957782A - Animated slide advertising film : en
  • US1958092A - Strip rubber article and method of producing the same : en
  • CA341438A - Carbon sheet : en fr
  • CA341502A - Light signal for railways : en fr
  • US1957998A - Valve : en
  • US1957982A - High voltage terminal construction : en
  • USD92223S - Design for a glove : en
  • DE596587C - Heating device for low-boiling hydrocarbons : de en
  • CA341420A - Collapsible tube closure : en fr
  • CA341446A - Atomizer : en fr
  • AT137529B - Process for the production and presentation of synchronous cinematographic image and sound recordings. : de en
  • DE596499C - Winding head for the production of Koetzersulen : de en
  • US1957769A - Shoe ornamenting machine : en
  • CA341463A - Rail vehicle running gear : en fr
  • DE596594C - Process for the preparation of cholesterol esters : de en
  • US1958210A - Method of making aryl phosphates and product thereof : en
  • US1958017A - Apparatus for throwing granular material : en
  • CA341470A - Journal box : en fr
  • CA341409A - Tobacco pipe holder : en fr
  • US1958189A - Apparatus for forming and wrapping articles : en
  • US1958241A - hausler : en
  • US1957452A - Hydraulic shock absorber : en
  • US1958235A - Key cutter : en
  • US1958341A - Roller conveyer : en
  • US1957518A - Machine for backing sheet rubber : en
  • DE596606C - Cascade connection of main asynchronous machine with commutator rear machine : de en
  • GB409986A - Improvements in or relating to thermionic oscillation generator arrangements suitable for use in radio transmitters and the like : en
  • GB410737A - Improvements in and relating to the separation of dry materials : en
  • US1957500A - Power transmitting device : en
  • FR763893A - Toy airplane or glider : en fr
  • US1957781A - Joint : en
  • FR763814A - Cannula for the introduction of therapeutic agents into the human or animal body : en fr
  • FR763926A - : fr
  • DE596886C - Wall tumble dryer : de en
  • FR43379E - Process for the manufacture of alkali salts from chlorides : en fr
  • GB409875A - Improvements in and relating to the cracking of hydrocarbon oils : en
  • FR763947A - Shoe form : en fr
  • DE596905C - Safety device for elevators, especially for ship lifts : de en
  • US1957784A - Self-locking valve tappet : en
  • US1957623A - Slicing machine : en
  • US1957768A - Manufacture of alumina : en
  • US1957729A - Photoelectric system : en
  • US1957857A - Cellulose acetate compositions containing ethylene chloride and an amino plasticizer : en
  • US1957966A - Coupling : en
  • US1958390A - Automobile brake testing device : en
  • FR763788A - Bridge game calculator : en fr
  • GB409896A - Improvements in or relating to synthetic resins and compositions and articles containing them : en
  • FR763967A - Combined household washer-extractor : en fr
  • GB409826A - Device for arresting drip from bottles and other similar receptacles : en
  • DE596451C - Device for the remote transmission of data from measuring devices by means of pulses using an intermediate encoder : de en
  • CA341515A - Forging machine : en fr
  • DK48716C - Shoe. : da en
  • FR43352E - Method and device for methodical leaching of raw sugars : en fr
  • GB409965A - Improvements in and relating to processes and devices for lubricating free wheels, more particularly for rail vehicles : en
  • US1957747A - Integrating apparatus : en
  • IE13367L - Electric cooking stove : en
  • AT137452B - Aperture system for microscope condensers. : de en
  • CA341443A - Train control apparatus : en fr
  • AT137501B - Berry picker. : de en
  • USD92174S - Design for a rubber eraser head for : en
  • GB410163A - Improvements in motor driven vehicles : en
  • US1958270A - Vending machine : en
  • US1958285A - Fire extinguishing apparatus : en
  • GB410125A - Manufacture of organic esters of cellulose and its derivatives : en
  • DE595742C - Belt corset to bring back fractures : de en
  • GB409919A - Improvements in or relating to closure devices for collapsible tubes and other containers : en
  • FR763837A - Board game, dice and pawns : en fr
  • GB410143A - Centrifugal separators : en
  • GB409766A - Improvements in or relating to packing machines : en
  • GB410170A - Wrapping material for all purposes : en
  • CA341425A - Brick : en fr
  • DE596721C - Machine for processing, especially for smoothing, rods made of any material, e.g. B. of wooden rods : de en
  • DE596487C - Device for numbering photographic prints : de en
  • FR763829A - Spinner with movable bottom basket, operating in continuous rotation : en fr
  • GB409933A - Method and apparatus for the production of flexible tubes : en
  • IE13284L - Relief valve : en
  • FR763921A - : fr
  • GB409854A - Improvements in methods of and apparatus for adding reagents to liquids : en
  • GB410137A - Improvements in hose cocks for use with apparatus for dispensing measured quantities of liquid : en
  • FR763914A - Process for the preparation of aldehydes : en fr
  • FR763972A - Filter candles for the artificial silk industry and the like : en fr
  • GB409801A - Improvements in and relating to the treatment of gases or inflammable vapours for the production of light sources for therapeutic, photographic, penetration and other purposes : en
  • US1958331A - Gas fired unit heater : en
  • DE596849C - Wire glass substitute made of tissue with a coating of cellulose esters or ethers : de en
  • US1958257A - Packing and display box : en
  • US1958398A - Liquid feeding device : en
  • DE596483C - Method for producing a combustion mixture for internal combustion engines : de en
  • GB410043A - Improvements in mouldings : en
  • GB410023A - Improvements in or relating to television and like apparatus : en
  • DE596450C - Chain walking grate with grate bars that overlap like roof tiles : de en
  • DE596520C - Brassiere : de en
  • GB409824A - Improvements in carrying out catalytic reactions : en
  • DE596468C - Electrically heated hotplate with a current switching device that switches the heating current on and off by placing and lifting the cooking vessel : de en
  • FR764029A - Manufacturing process of a new intermediate in the manufacture of dyes : en fr
  • US1958404A - Safety motor controlling system : en
  • FR763958A - Signal device : en fr
  • GB410060A - Improvements in refractometers : en
  • US1957673A - Teat dilator : en
  • US1957992A - Tourniquet : en
  • US1958302A - Stern structure for ships : en
  • USD92200S - Design for a shoe : en
  • DE596316C - Liquid manure distributor with round slide closure : de en
  • US1958053A - Electric control for sound amplifying systems : en
  • US1957486A - Electron emitter : en
  • DE596772C - Drive for calculating machines, accounting machines, etc. like : de en
  • FR764050A - Improvements to elastic base plates for machine support : en fr
  • GB410120A - Improvements in or relating to pipe joints for metal pipes having a protective lining : en
  • DE596596C - Cutting device for printing machines : de en
  • US1958062A - Electrical amplifying system : en
  • AU1303633A - Noise suppressor : en
  • GB409730A - Process of producing butyl alcohol and acetone : en
  • FR763984A - : fr
  • CA341401A - Glove : en fr
  • US1958194A - Fuse : en
  • FR763834A - Advanced altimeter corrector for carburetors : en fr
  • FR763873A - Improvements to maneuvering tables : en fr
  • AT137449B - Incandescent socket. : de en
  • DE596743C - Circuit arrangement for two-way transmission systems with echo barriers arranged in the vicinity of the fork point : de en
  • FR763775A - Electric lock with bolt : en fr
  • US1957706A - Envelope fastener : en
  • US1958028A - Signal device : en
  • US1958088A - Bed spring support : en
  • US1957501A - Method and means for obtaining true : en
  • US1958094A - Hydraulic system and nozzle therefor : en
  • DE596661C - Surface heat exchangers, especially superheaters : de en
  • USRE19162E - Cigar lighter : en
  • US1957539A - Apparatus for reading sound on cinematograph sound films : en
  • US1958149A - Apparatus for the control of highway crossing signals : en
  • FR763883A - Process for manufacturing solid carbon dioxide : en fr
  • USD92170S - Design for a batter pitcher : en
  • US1957540A - Apparatus for reading sound on cinematograph sound films : en
  • US1958018A - Window operated screen for automobiles : en
  • US1958038A - Shower bath spray head : en
  • FR43388E - Method and device for aseptic filling and closing of containers : en fr
  • US1957450A - Demountable automobile body : en
  • US1958370A - Nu-chloro compound and its use in sterilization : en
  • US1957843A - Heating system : en
  • DE596822C - Process for the preparation of Oxybenzo- or Oxynaphthothiazolcarbonsaeurearylamiden : de en
  • GB409985A - Improvements in or relating to incandescent wire ignition plugs : en
  • GB409836A - Improvements relating to turning lathes : en
  • DE596697C - Device for cutting flat material webs : de en
  • GB409772A - Improvements in or relating to methods of treating rubber surfaces : en
  • GB410480A - Improvements in or relating to reel or spool holding devices : en
  • US1957904A - Photographic film gate : en
  • USD92201S - Design fob a shoe : en
  • DE596779C - Pulley change gear with a pulley adjustable in diameter : de en
  • DE596788C - Bicycle hub designed as a pendulum hub with brake : de en
  • GB409971A - Improvements relating to the application of rubber : en
  • GB409990A - Improvements in or relating to automobile dashboards : en
  • GB409837A - Improvements in the manufacture and production of chrysene : en
  • DE596793C - Process for the manufacture of water-resistant asbestos-cement products : de en
  • DE596741C - Device for image transmission by telegraphic means with a rotating slotted disc : de en
  • US1957708A - Mechanical base : en
  • DE596873C - Brush rate for voters : de en
  • FR43395E - Improvements to telegraphy and wireless telephony antennas : en fr
  • GB409750A - Improvements in or relating to the treatment of raw coffee : en
  • GB409804A - Improvements in or relating to vices : en
  • GB409883A - Improvements in or relating to the lubrication of gear units : en
  • AT137486B - Device on telephone sets for automatic call recording. : de en
  • CA341475A - Electric power converting apparatus : en fr
  • AU1236133A - Improvements in laundry washing machines : en
  • US1957911A - Cable release for photographic shutters : en
  • US1958106A - Shaper and power transmitting mechanism therefor : en
  • CA341534A - Draft rigging : en fr
  • US1958076A - Concrete form construction : en
  • US1957905A - Wrench : en
  • US1958363A - Knob attachment : en
  • US1957479A - Controlling means for electrical equipment : en
  • USD92185S - Design for a toilet accessory : en
  • DE596628C - Shut-off device : de en
  • US1958096A - Label cutting and folding machine : en
  • US1958024A - Friction spring : en
  • US1958339A - Camera : en
  • AT137556B - Device for regulating operating parameters, in particular for regulating the power output of electric power generators. : de en
  • US1957783A - Piston ring : en
  • US1957931A - Airplane take-off accelerator : en
  • USD92164S - Design for a casing i or liquid : en
  • US1957684A - Envelope : en
  • US1957665A - Advertising device : en
  • FR763892A - Improvements made to systems for the detection of physical or chemical phenomena such as the release of mists, vapors, fumes, gases : en fr
  • US1957795A - Sucker rod locking device : en
  • DE596680C - Process for roasting pyrite : de en
  • US1957719A - Lifting device : en
  • US1957758A - Lawn mower : en
  • US1957766A - Manufacture of alumina hydrate : en
  • US1958120A - Oil seal : en
  • US1957752A - Method and apparatus for amplifying frequency currents : en
  • US1958385A - Lawn sprinkling means and system : en
  • US1957444A - Typesetting machine : en
  • US1958298A - Method of making margin stops for typewriting machines : en
  • US1958209A - Manufacture of ammonium thiocyanate : en
  • DE596859C - Device for the continuous production of edible fat panels u. like : de en
  • DK48726C - Semi-automatic Bedding and Bedding Device. : da en
  • GB409764A - Improvements in and relating to mechanically operated presses : en
  • US1957573A - Leer stacker : en
  • US1957890A - Slack adjusting device for brakes : en
  • US1958103A - Apparatus for welding-flashremoval : en
  • USD92212S - Design for a fountain pen ob similar : en
  • GB409949A - Adjustable guiding device for movable scaffolds : en
  • FR43384E - Device to ensure absolute safety at sea for passengers on all ships, airships and airplanes : en fr
  • GB410030A - Improvements in and relating to foundry moulding machines : en
  • DE596865C - Method for determining whether the grinding wheel has attacked the workpiece : de en
  • US1958030A - Sheet feeding means for rotary printing presses : en
  • US1957681A - Apparatus for measuring fluidflow : en
  • US1958006A - Milmvoltmeter : en
  • DE596913C - Beam splitting system for binocular microscopes : de en
  • DK48718C - Teat cup for milking machines. : da en
  • FR43376E - Improvements made to the use of reinforced concrete, in particular for the establishment of floors and stairs of buildings and industrial premises : en fr
  • GB409838A - Improvements in toys : en
  • USD92182S - Design fob a stocking : en
  • US1957552A - Preheating boiler feed-water : en
  • US1957922A - Method of making nuts and like articles : en
  • US1957944A - Landing net : en
  • US1957658A - Shock absorber control : en
  • US1957711A - Clamp for cutting machines : en
  • AT137571B - Device for influencing telephone stations for signal delivery or for disrupting calls. : de en
  • CA341514A - Draft and buffing gear : en fr
  • GB410019A - Improvements relating to electric discharge tubes : en
  • DE596432C - Removal of the razor blades from the conveyor belt of blade grinding and polishing machines : de en
  • DE596798C - Device for connecting hose lines to well pipes : de en
  • FR763865A - Solid fuel heater : en fr
  • GB409754A - Improvements in and relating to the demolition of piles and structures under water : en
  • FR763996A - Aeration device, ventilation, etc. : en fr
  • GB410011A - Improvements in or relating to ventilated rubber footwear : en
  • DE596350C - Self-collecting sales facility : de en
  • US1958187A - Lubricator structure : en
  • US1958192A - Color match guide : en
  • GB410496A - Improvements in or relating to sewing machines : en
  • DE596855C - Process for utilizing waste heat from internal combustion engines : de en
  • FR763759A - Further training in the establishment of railway lines : en fr
  • FR763819A - Quick-release wire control without adjustment : en fr
  • GB409930A - Improvements relating to glass disc-records for sound reproduction : en
  • GB410155A - Improvements in or relating to machines for making sand cores and moulds : en
  • USD92219S - Design for a drinking glass : en
  • FR763951A - Piggy bank fitted with a device to prevent it from opening before it is completely filled : en fr
  • US1958394A - Filtering apparatus : en
  • AT137482B - Electric cable or wire with non-metallic armouring. : de en
  • DE596936C - Drive for briquette presses with the pressing speed adapted to the working resistance : de en
  • US1957502A - Multiplex telegraph system : en
  • US1957440A - Conduit installation and elements : en
  • US1958066A - Combined lamp and phototube : en
  • USD92166S - Design for a textile tape or similar : en
  • US1957449A - Purification of hydrocarbon oils : en
  • CA341532A - Torsion balance : en fr
  • DE596854C - Thermostatic safety device against flashbacks in multi-cylinder internal combustion engines : de en
  • AT137417B - Free-swinging sound diaphragm for speaking machines. : de en
  • AT137428B - Dressing material, suturing material, etc. Like. And process for their preparation. : de en
  • CA341412A - Lubricating device : en fr
  • DE596477C - Process for the extraction of tin, lead, antimony or bismuth or alloys of these metals from oxidic or oxidic material : de en
  • DE596781C - Round boat drive for multi-needle embroidery machines and sewing machines : de en
  • AT137531B - Kitchen stove. : de en
  • US1957830A - Stretching machine : en
  • US1958275A - Lens testing instrument : en
  • US1958391A - Expansion joint : en
  • US1957556A - Fuel pump cut-out : en
  • US1958384A - Paper napkin : en
  • US1957699A - Flange connection : en
  • US1957852A - Refining white metal scrap : en
  • US1958091A - Cylinder cock : en
  • USD92179S - Design for a stocking : en
  • USD92198S - Design for a spectacle front : en
  • AT137490B - Slice stacking device for slicing machines. : de en
  • US1957698A - Conveyer : en
  • US1957707A - Apparatus for the continuous manufacture of ice cream and other frozen food products : en
  • US1958206A - Refrigerating apparatus : en
  • AU1527833A - Improvements in and relating to diving hoods andthe like : en
  • US1957473A - Crutch head : en
  • US1958056A - Vehicle body ventilator and method : en
  • DE596818C - Process for the extraction of pure constituents or groups of constituents from mixtures of liquids : de en
  • US1958368A - Extension leaf desk : en
  • DE596765C - Eyeglass lens cutting machine : de en
  • CA341399A - Casein material : en fr
  • US1958046A - Hydrocarbon burner : en
  • DE596607C - High voltage transformer or reactor : de en
  • DE596769C - Process for the preparation of polymerization products : de en
  • AT137587B - Sign triangle. : de en
  • CA341445A - Internal combustion engine : en fr
  • DE596853C - Motor winch arranged on a chassis for pulling agricultural equipment : de en
  • DE596518C - Purification plant for keeping the wastewater fresh : de en
  • DE596838C - Atomizers for liquid fuels, especially for oil firing : de en
  • USD92176S - Design fob an ice pick : en
  • USD92197S - Design for a spectacle front : en
  • DK48719C - Freewheel hub with drum entry brake for bicycles or other means of transport. : da en
  • US1957850A - Printing plate and method of making the same : en
  • US1958060A - Stop motion : en
  • AT137499B - Process for sensitizing colloid layers containing fading dyes. : de en
  • DE596541C - Device for cutting pies, cakes, etc. like : de en
  • CA341500A - Light signal for railways : en fr
  • US1957611A - Article of manufacture and process of coating absorbent base materials : en
  • US1958362A - Circuit breaker : en
  • USD92209S - Design for a shoe or similar article : en
  • AT137456B - Thread counter. : de en
  • US1958133A - Sheet phier : en
  • US1958299A - Intaglio printing methods and apparatus : en
  • FR43396E - Improvements made to wheels with removable rims : en fr
  • US1958293A - Railway car retarder : en
  • US1958049A - Molding apparatus for hollow concrete structures : en
  • DE596970C - Arrangement for switching off several electric motors whose remote-controlled switches are preceded by a common main switch : de en
  • US1957935A - Shot shell : en
  • US1957996A - Hydraulic shock absorber : en
  • GB409952A - Improvements in or relating to work-advancing means for pilgering mills : en
  • FR763902A - Control device for shock absorbers : en fr
  • GB409885A - Improvements in or relating to apparatus for use in the storage of milk, cream and other similar perishable liquids : en
  • US1957800A - Visible index or record : en
  • GB409752A - Improvements in mills for grinding paints, enamels, inks and other viscous substances : en
  • GB410099A - Improvements in machines for corrugating cardboard, millboard, paper and the like : en
  • FR763766A - Control device for sound film recording and projection systems : en fr
  • FR763923A - Bevelling machine : en fr
  • US1957887A - Adjustable propeller : en
  • US1957919A - Apparatus for increasing volumetric efficiency : en
  • US1957969A - Nipple construction : en
  • US1958041A - Submarine drill unit : en
  • US1958080A - Roll paper dispenser : en
  • US1957739A - Airplane control side propeller mechanism : en
  • AT137421B - Time switch. : de en
  • US1957490A - Automatic control valve for fluid operated motors : en
  • US1958380A - Machine for making lollipops : en
  • US1958359A - Cloth working machine : en
  • CA341516A - Indicator : en fr
  • CA341469A - Roofing : en fr
  • CA341559A - Textile operation : en fr
  • DE596740C - Short circuit brake circuit for twin car trains : de en
  • US1957866A - Stub type valve stem : en
  • US1957869A - Selenazolinocarbocyanine dye and process of preparing it : en
  • AT137414B - Winding device for sewing machines. : de en
  • US1957986A - High voltage terminal construction : en
  • CA341411A - Arch supporting boot and shoe : en fr
  • US1958292A - Lift truck : en
  • US1957483A - Method and apparatus for multiplying records : en
  • US1957633A - Weaving attachment for stitchforming machines : en
  • US1958286A - Pire extinguishing apparatus : en
  • FR763771A - Automatic block protection by means of axle counters : en fr
  • US1957613A - Carton making machine : en
  • US1958020A - Apparatus for disintegrating and dispersing : en
  • CA341563A - Slip-sheet for printed matters : en fr
  • US1958156A - Internal combustion engine : en
  • US1957533A - Bolt anchor : en
  • US1958065A - Compressor unit : en
  • US1958334A - Last : en
  • USD92215S - Design for a water closet : en
  • DE596648C - Drawing device with a parallel drawing head : de en
  • US1957732A - Floor covering and manufacture thereof : en
  • DE596676C - Powder compact : de en
  • US1958271A - Safety razor : en
  • US1958319A - Plate clutch : en
  • US1957880A - Folding mechanism : en
  • DE596918C - Device for adjusting the ignition time : de en
  • FR763757A - Parasol can be applied to windows to act as a blind : en fr
  • US1957643A - Pivotal coupler connection : en
  • US1958064A - Advertising sign : en
  • US1957579A - Process for treating sand : en
  • FR763832A - Emulsifying powder making it possible to obtain aqueous emulsions of mineral oils with a view in particular to the treatment of plants : en fr
  • FR763833A - Deliquescent powder to improve the treatment of plants with fungicides or pulverulent insecticides : en fr
  • US1958373A - Xf biown ohls : en
  • US1957600A - Shoe lace fastener : en
  • US1958261A - Indicator : en
  • DE596717C - Device to protect the buildings against the vibrations caused by motor vehicle traffic : de en
  • US1957814A - Three-insulator high tension switch : en
  • US1958093A - Control system for fuel burners : en
  • DE596630C - Epicyclic gearbox : de en
  • US1957785A - Seat for motor vehicles : en
  • US1957649A - Process and apparatus for the treatment of soda-treated tars and other residues of the petroleum industry with a view to the conversion thereof into light products : en
  • US1957677A - Liquid container and housing : en
  • US1958340A - Match holder : en
  • CA341557A - Bas-relief production : en fr
  • US1957743A - Production of hydrogen : en
  • US1957988A - Production of diphenyl substances : en
  • US1957526A - Air compressor : en
  • US1958196A - Terminal : en
  • US1958281A - Electric cable : en
  • AT137402B - Apparatus for matching items of clothing. : de en
  • AT137516B - Housings for drying elements, in particular for flashlights. : de en
  • AT137553B - Electric discharge tube. : de en
  • AU1430733A - Improvements in or relating tothe manufacture of coloured extruded products of rubber, bitumen ora like plastic : en
  • FR763986A - Improvements to cases for pastilles or similar products : en fr
  • US1957555A - Lactobacilli concentrate : en
  • DE595775C - Reserve pump device in sulfuric acid operation : de en
  • DE596542C - Chair with tubular steel frame : de en
  • DE596762C - Device for reproducing the shape of human and animal body parts, in particular the human foot, for orthopedic purposes : de en
  • FR763956A - Development of egg cups : en fr
  • AT137462B - Ceiling construction. : de en
  • FR763805A - Eyeglass joint enhancements : en fr
  • FR763955A - Safety hat or headgear : en fr
  • GB410038A - Improvements in mowing machines : en
  • FR43387E - Improvements in coke making with simultaneous production of gasoline, light oils and other by-products : en fr
  • US1957978A - Gearing for laundry machines : en
  • USD92214S - Design fob an umbrella-stand : en
  • US1957609A - Combination fruit juice extractor and kitchen utensil : en
  • US1957895A - Vibration recorder : en
  • AU1110633A - An instrument for enciphering and deciphering : en
  • GB409926A - An improved variable hydraulic power transmission device : en
  • US1957522A - Ice cream freezer for electric iceboxes : en
  • US1957951A - Oxygen regulator : en
  • US1958232A - Preservation of citrus fruit juices and preserved product : en
  • AT137450B - Antenna tower serving as a vertical antenna. : de en
  • US1958139A - Sprocket chain and method for making the same : en
  • DE596702C - Dosing machine and automatic filling and packaging device : de en
  • US1957727A - Tobacco handling machine : en
  • AT137443B - Electric telecommunication lines, in particular antenna cables. : de en
  • US1957506A - Suction cleaner : en
  • US1957441A - Method of securing hood caps on vessels : en
  • US1957481A - Electrical insulator : en
  • US1958256A - Package and method of making the same : en
  • FR763784A - Improvements in the manufacture of aldehyde condensation products : en fr
  • US1958034A - Processing calcium chloride solution : en
  • DE596464C - Device for continuously changing the magnetic resistance of electrical machines : de en
  • DE596731C - Process for the preparation of higher molecular weight diazo compounds : de en
  • US1957577A - Golf bag hood apparatus : en
  • US1957446A - Oscillator system : en
  • US1958035A - Method and apparatus for treating materials : en
  • US1958113A - Tuft forming and spacing device for axminster looms : en
  • US1957734A - Circuit breaker : en
  • DE596669C - Oil switch-extinguishing chamber with two interruption points that come into effect one after the other : de en
  • AU1320833A - Improvements in or relating to stapling devices : en
  • AT137506B - Suction system for conveying liquids, in particular milk and liquid milk products. : de en
  • CA341450A - Collapsible holder : en fr
  • US1957731A - Lubricating fitting : en
  • CA341531A - Hydrocarbon conversion process : en fr
  • US1958184A - Mechanism for molding plastic material : en
  • USRE19159E - Reversible feed mechanism fob : en
  • US1958077A - Floor surfacing machine : en
  • US1958332A - Syringe : en
  • US1958322A - Conveyer or screening apparatus : en
  • US1958201A - Carbureting process : en
  • DE596705C - Method for packing cigarettes or the like in pocket boxes : de en
  • FR763913A - Improvements to motion transmission components for bicycles : en fr
  • FR763980A - Gasifying device for naphtha intended for supplying normal automobile and truck engines : en fr
  • DE596712C - Cable entry for electrical tools : de en
  • FR763812A - Improvements to fire extinguishers : en fr
  • US1957645A - Delivery vehicle : en
  • US1958312A - Glider : en
  • US1958138A - Apparatus for cutting strip material : en
  • US1957563A - Heel plate : en
  • US1957716A - Album fob photographic pictures : en
  • US1958164A - Air conditioning apparatus : en
  • AT137405B - Photographic shutter. : de en
  • US1957801A - Spark plug testing device : en
  • US1957685A - Ironing table : en
  • US1958044A - Torch for removing defects from billets : en
  • USD92189S - Design fob a double deck : en
  • US1958122A - Trimming machine : en
  • US1957736A - Crank case drain pipe for automobiles : en
  • DE596625C - Rotary piston internal combustion engine : de en
  • FR763884A - Device for shooting on embossed films : en fr
  • US1957953A - Electrooptical system : en
  • US1958100A - Apparatus for medical purposes : en
  • AT137472B - Revolving door. : de en
  • CA341506A - Sliding door guide : en fr
  • US1957474A - Paper manufacture : en
  • USD92188S - Design for a novelty stocking : en
  • USD92203S - Design fob a shoe : en
  • AT137442B - Electrode for electrolytic capacitors. : de en
  • CA341480A - Electric blasting cap : en fr
  • CA341429A - Distillation of combustibles : en fr
  • US1957629A - Temperature regulator : en
  • US1958244A - Combined lock and latch bar : en
  • US1958392A - Refrigerating apparatus : en
  • US1957467A - Spacer nail : en
  • US1957737A - Switch : en
  • US1958148A - Device for counterbalancing or diminishing the vibrations occurring in the stationary parts of engine plants and the like : en
  • CA341385A - Hydraulic coupling : en fr
  • DE596611C - Device for reclamping the fiber material on vibrating machines : de en
  • AU1318133A - Improvements in or relating to gasfilled electric discharge tubes for illumination purposes : en
  • AT137519B - Packing box. : de en
  • FR763997A - Engine locomotive or diesel engines : en fr
  • FR763835A - Device for signaling wrecks of submarines or other vessels : en fr
  • DE596926C - Single track vehicle with a vehicle body in a streamlined shape : de en
  • GB409829A - Improvements in stands or supports for display of shirts, woollen jumpers and like garments : en
  • GB410107A - Improvements in clutch operating mechanism for self-propelled vehicles : en
  • CA341406A - Power propelled mower : en fr
  • AT137591B - Stepless speed change gear. : de en
  • FR43389E - Improvements to liquid displacement and low resistance switches : en fr
  • GB410071A - Improvements in or relating to casings for roll-films : en
  • CA341523A - Damped mechanical filter : en fr
  • FR43359E - Improvements to leaf suspension springs : en fr
  • FR763818A - Instant closing and fitting system for crates and other packaging : en fr
  • DE596512C - Coil winding machine : de en
  • AT137520B - House-shaped packaging box. : de en
  • US1957960A - hosack : en
  • US1958376A - Treatment of material containing cellulose : en
  • CA341558A - Safety razor : en fr
  • AT137562B - Machine for bending the edge of pieces of leather by shrinking the leather edge on one side. : de en
  • GB409960A - Improvements in spring balancing devices for vertically sliding sashes and the like : en
  • US1958031A - Radio receiving system : en
  • US1958227A - Pianoforte keyboard : en
  • AU1482933A - Improvements relating to dress-shields : en
  • AT137485B - Control and regulating device for displaying and eliminating disturbing noises in telephone systems with voice amplifiers. : de en
  • DE596885C - Device on wire braiding machines : de en
  • US1958071A - Electrically driven vibrator : en
  • US1958290A - Picket fence : en
  • AT137578B - Method and device for connecting individual objects such as staples and the like. like : de en
  • FR763823A - Rational ventilation device for motor vehicles or others : en fr
  • AT137407B - Device for total measurement with correct sign and total counting of measured quantities. : de en
  • AT137465B - Safety device for scissor bars. : de en
  • AT137522B - Electric heating and cooking apparatus. : de en
  • AU1070632A - Improvements in means for testing the power developed by automobiles, locomotives and other self-propelled vehicles : en
  • US1957672A - Telephone system : en
  • USD92162S - Design foe a food rack : en
  • US1957689A - Sole fitting machine : en
  • USD92222S - Design for a typewriting machine : en
  • CA341431A - Window : en fr
  • GB410063A - Improvements in or relating to lamps : en
  • AT137569B - Hair dryer hood. : de en
  • CA341467A - Welding flash removing apparatus : en fr
  • CA341457A - Cigarette tobacco feeding mechanism : en fr
  • US1957634A - Means for ventilating stock cars : en
  • US1957885A - Method of and system for recording and reproducing : en
  • AT137530B - Process for the production of carrier plates for dentures or other plates, which have to fit snugly against a detailed base, preferably for medical purposes. : de en
  • AU1247933A - Improvements in extrusion of cooked plastic material : en
  • AT137422B - Suitcase cinema apparatus. : de en
  • US1957934A - Magnesium base alloys : en
  • US1957923A - Nut : en
  • AU1244633A - Improvements in distributors for manure, or other fertilizer : en
  • GB409755A - A process for the production of benzoic acid and benzoates : en
  • CA341545A - Cementing machine : en fr
  • FR763998A - Hydraulic binder for mortar or concrete : en fr
  • FR763897A - Balanced lifting system : en fr
  • GB409809A - Improvements in or relating to spring mattresses : en
  • GB410195A - Improvements in or relating to reel or spool holding devices : en
  • US1957863A - Apparatus for handling photographic strip material : en
  • US1958269A - Excavating machine : en
  • GB409961A - Improvements in and relating to water heating apparatus : en
  • US1957686A - Spraying device : en
  • US1957975A - Blower pipe system : en
  • US1958388A - Tufted fabric loom : en
  • DE596856C - Control device for the combustion chamber of back pressure drive devices : de en
  • GB410129A - Improvements in or relating to calculating and like apparatus : en
  • AT137536B - Elastic plaster wound dressing. : de en
  • AT137432B - High performance incandescent cathode tube. : de en
  • CA341561A - Bolt anchor : en fr
  • DE596351C - Feeding device for dry food : de en
  • GB409968A - Improvements in or relating to shock absorbers : en
  • GB409997A - Improvements in or relating to breech bolts for firearms : en
  • FR763877A - Dumpster : en fr
  • FR763925A - Emptying device for sanitary ware : en fr
  • FR763810A - Adjustable die for solid and perforated bricks and other ceramics : en fr
  • FR763935A - Roasting and pastry oven, vapor-proof and electrically heated from the outside : en fr
  • FR43360E - Process and devices for manufacturing vitreous products by stretching or rolling : en fr
  • GB410098A - Improved machine for use in facing nuts : en
  • FR763772A - Device for checking the teeth of interlocking bars in switching devices of railway protection installations : en fr
  • FR763858A - Board game : en fr
  • FR763948A - Cartridge used to extinguish chimney fires : en fr
  • FR763783A - Manufacturing process for stockings and products obtained by this process : en fr
  • GB409903A - Apparatus for testing lubricants : en
  • GB409976A - Improvements in liquid elevators for gas meters of the constant level type : en
  • FR763918A - Grille for automotive radiators or other applications : en fr
  • US1957796A - Tuning arrangement : en
  • US1958301A - Apparatus for cooling coffee, etc. : en
  • GB410037A - Improvements relating to steam generating and superheating installations : en
  • FR763811A - Sliding door with rubber band for finger protection : en fr
  • GB409943A - Apparatus for polishing ground and smoothed surfaces of glass, and method of utilising such apparatus : en
  • DE596677C - Floor polisher with screw conveyor for the floor polish : de en
  • DE596858C - Process for the transmission of tubular mills that run at high speeds : de en
  • US1957545A - Marking implement : en
  • DE596841C - Recuperative heat exchanger serving as a centrifugal dust separator : de en
  • DE596802C - Manufacture of molded articles made of graphite or carbon graphite : de en
  • GB410048A - A new or improved fluid distributor for hydraulic jacks or similar lifting appliances : en
  • FR763939A - Improvements made to starter devices, particularly those with pneumatic or even hydraulic control : en fr
  • US1957701A - Igniting system for smudge pots : en
  • US1957956A - Portable shower : en
  • US1958002A - Faucet : en
  • FR43393E - Improvements to processes for the treatment of mineral oils : en fr
  • DE596689C - air cleaner : de en
  • DE596713C - Zaehekiste : de en
  • US1957620A - Power mowing machine : en
  • US1957462A - Ratchet wrench : en
  • US1957735A - Pressure hand oiler : en
  • US1958027A - Emission valve modulation system : en
  • DE596816C - Process for the preparation and rounding of straight remaining abutting edges in the production of welded slotted pipes : de en
  • DE596714C - Gas pressure regulator : de en
  • FR763751A - Soft steering wheel : en fr
  • GB410467A - Improvements in lift or poppet and like valves : en
  • FR763863A - Method and device for obtaining localized galvanic deposits : en fr
  • US1957914A - Deposit and collection receptacle : en
  • US1958124A - Building construction : en
  • AT137436B - Device for tying off veins, lymph vessels, tissues and the like like : de en
  • GB410029A - Improvements in and relating to foundry moulding machines : en
  • GB410131A - Improvements in or relating to means applicable to vehicles for jacking up or like purposes : en
  • GB410101A - Improvements in or relating to folding mechanisms particularly for printing machines : en
  • DE596891C - Absorption machine : de en
  • FR763776A - Alarm device, in particular for automobiles : en fr
  • US1958182A - Electric fan : en
  • US1958280A - Microscope : en
  • US1958330A - Race puller : en
  • US1958127A - Valve actuator : en
  • AT137558B - Contactor control for induction motors. : de en
  • GB410121A - Process for producing grooved rails and railway rails : en
  • GB410142A - Improvements in or relating to light-sensitive apparatus : en
  • GB410020A - Apparatus for saturating liquids with carbon dioxide : en
  • DE596656C - Pneumatic feed for rock drilling machines : de en
  • US1957933A - Sheet metal joint : en
  • GB410141A - Improvements in or relating to apparatus for washing and screening materials such as gravel and sand : en
  • FR763930A - Combined detection and automatic volume control circuits : en fr
  • US1957760A - Nail pulling hammer : en
  • US1957651A - End fold mechanism : en
  • US1958029A - Door fastener : en
  • CA341417A - Shingle cutter : en fr
  • DE596549C - Clamp : de en
  • DE596668C - Shut-off device for the gas outlet of an oil switch : de en
  • FR763854A - Improvements to taps : en fr
  • FR43371E - lightweight construction elements and their manufacturing process : en fr
  • FR763846A - Clutch-shifting unit : en fr
  • GB410002A - Improvements in or relating to machines for manufacturing metal capsules for closingor sealing bottles and other containers : en
  • DE596745C - Process for increasing the mechanical strength of insulators made of ceramic mass : de en
  • DK48722C - Procedure for the Manufacture of Vinyl Resins. : da en
  • GB409945A - Improvements in hernial trusses : en
  • CA341549A - Vehicle lift : en fr
  • GB410033A - Improvements in and relating to methods of and apparatus for producing refractory bodies : en
  • US1957454A - Power output indicator for high frequency apparatus : en
  • US1958260A - Conduit : en
  • DK48713C - Airplane wings, especially for arrow-shaped, tailless airplanes with aa wingtips placed vertical fins. : da en
  • AT137453B - Denture replacement. : de en
  • AT137415B - Method of measuring exposure conditions in the photographic copying process and copier photometer for practicing this method. : de en
  • AT137599B - Belt drive. : de en
  • GB410175A - Improvements in or relating to the treatment of oils : en
  • DK48715C - Procedure and Apparatus for the Manufacture of Plywood Vases by Winding. : da en
  • FR763836A - Improvements to the blades of pumps or compressors : en fr
  • GB409974A - Improvements in electrode arrangements for electric arc converters : en
  • GB410024A - Device for rendering the shuttles in the multiple boxes of the slay immovable, for weaving looms of all kinds : en
  • FR763831A - Remote control system for points, signals and devices of all kinds : en fr
  • GB410057A - Automatic flooding cocks for ash discharging plants : en
  • GB409889A - Fuel atomiser : en
  • US1957596A - Method of repairing, widening, and resurfacing concrete roads : en
  • US1957870A - Process of preparing 2-methylselenazoline : en
  • US1958000A - Parachute apparatus : en
  • US1958311A - Lithographic ink composition : en
  • DE596871C - Ribbed tube for heat exchangers with surfaces pressed out of the rib plane : de en
  • GB409881A - Improvements relating to grids for gas purifiers : en
  • GB409901A - Improvements in or relating to the refining of hydrocarbon oil distillates : en
  • GB409904A - Improvements in or relating to alternating current interruptors : en
  • GB409940A - Improvements in machines for grinding artificial dentures : en
  • GB409902A - Improvement in safety razor : en
  • CA341441A - Rubber shoe sole : en fr
  • AT137461B - Artificial threads and metal mesh made from them. : de en
  • AT137502B - Cigarette or cigarette tube. : de en
  • US1957851A - Lock : en
  • GB409848A - Improvements in or relating to weft feeler mechanism for looms : en
  • GB409975A - Improvements in or relating to fastening devices : en
  • DE596639C - Building block and process for its manufacture : de en
  • GB409899A - Improvements in and connected with self-propelled vehicles with blade wheels : en
  • GB409914A - An improved container for roll films : en
  • GB409880A - Toy machine gun : en
  • AU1505833A - Transparent sign for illuminating letters, figures, marks andthe like by day and by night : en
  • CA341511A - Make and break contact : en fr
  • GB409877A - Improvements in and relating to road traffic control systems : en
  • GB409852A - Means for opening closed sheet-metal containers such as preserve cans or the like : en
  • GB409774A - Process for the manufacture of insulating materials : en
  • GB409785A - Improvements in tins, boxes and like containers : en
  • DE596888C - Process for dyeing wool with nitro-o-oxyazo dyes : de en
  • FR763821A - Unique high frequency modulated radio transmission method : en fr
  • CA341479A - Electric blasting cap : en fr
  • US1957822A - Insulating material : en
  • FR763855A - Liquid flow indicator : en fr
  • FR763895A - Method of quay equipment by means of support frames : en fr
  • GB409907A - Improved self-opening screw-threading die : en
  • GB409995A - Machines for use in making boxes : en
  • DE596813C - Bayonet coupling for connecting the drill rod and the drill bit insert : de en
  • FR43385E - Crank cycles : en fr
  • GB409998A - Improvements relating to the supply of solid pulverulent fuel to internal combustion engines : en
  • GB409999A - Method of manufacturing charcoal briquettes : en
  • FR763769A - Process for manufacturing sodium nitrate from sodium chloride : en fr
  • FR763943A - Electric contact regulator for controlling a physical quantity : en fr
  • FR763880A - Lead-acid battery : en fr
  • DE596649C - Lock for handguns : de en
  • US1958303A - Friction transmission control device : en
  • USRE19160E - Fishing fly : en
  • GB410110A - Improvements in brackets or holders for pipes : en
  • FR763765A - Rotary gas pump : en fr
  • FR763777A - Improvement in the production of light for therapeutic, photographic, penetrating, etc. purposes. : en fr
  • US1957770A - Fastening device : en
  • FR763764A - Braking mechanism for vehicles and other vehicles of locomotion : en fr
  • GB410111A - Improvements relating to hydraulic accumulator mechanism for the rolls of sugar canemills, rolling mills, mangles and the like : en
  • CA341548A - Vehicle lift : en fr
  • US1957899A - Necktie packaging : en
  • US1958013A - Laminated safety glass : en
  • DE596641C - Drying plant for pottery : de en
  • DE596706C - Clamping and locking device, especially for the overlapping ends of straps for packages : de en
  • GB409790A - A new or improved method of treating food for human consumption : en
  • DE596471C - Phosphate glasses : de en
  • GB409918A - An improved method and means for atomizing and aerating liquids : en
  • AT137546B - Firedamp-proof time fuse. : de en
  • US1957683A - Mechanism for soldering metal containers : en
  • US1958186A - Storage battery : en
  • DE596962C - Device for one or two triggering of route sounds for railway operations : de en
  • GB409867A - Improvements in and relating to paving slabs, road surfaces, flooring and the like : en
  • FR763785A - Method of transporting annealed sheets (packages of sheets) : en fr
  • AT137416B - Needle changing device for gramophone sound boxes. : de en
  • AT137580B - Automatic control for electric drives. : de en
  • US1957622A - Salvaging apparatus : en
  • US1957720A - X-ray tilt table and bucky unit : en
  • GB409994A - Improvements in or relating to washing boilers or the like : en
  • GB410072A - Improvements relating to fittings for use in making connection between an electric cable and an electrical appliance : en
  • GB409737A - Improvements in wireless receiving apparatus : en
  • US1957809A - Toilet bowl : en
  • US1958086A - Power take-off for motor vehicles : en
  • GB409763A - Improvements in and relating to folding beds : en
  • DE596747C - Contactor control for two-stage starting of electric motors : de en
  • AT137559B - Strip cutting and rewinding machine. : de en
  • DE596827C - Intermediate or final transmission for simplex double stream telegraph systems with two-way traffic : de en
  • DE596829C - Kettle for drinking water, in particular electric cables, with successive application of vacuum and pressure : de en
  • GB409908A - Improvements in or relating to the mounting of vehicle number plates : en
  • GB410168A - Improvements in extrusion apparatus : en
  • AT137570B - Device for stapling loose sheets of paper. : de en
  • US1957930A - Refining white metal scrap : en
  • USD92220S - Design for a spoon or similar : en
  • AT137478B - Wire rope. : de en
  • USD92218S - Design for a drinking glass : en
  • DE596644C - Device for the mechanical lateral incision of flat, band-shaped insulation material, in particular strips of paper and linen, for intermediate layers of electrical coils : de en
  • GB409897A - Improvements in cam mechanism for converting reciprocating into circular motion : en
  • FR43364E - Powder for the treatment of vines : en fr
  • GB410016A - Purifying zinc metal : en
  • US1957472A - Rock drill : en
  • US1958161A - Control circuits : en
  • US1958211A - Method and apparatus for treating continuous films : en
  • CA341512A - Typewriter : en fr
  • US1957827A - Envelope sealing machine : en
  • AT137438B - Process for liquefying 2-2-2-tribromoethyl alcohol. : de en
  • CA341430A - Quack grass digger : en fr
  • US1957888A - Process for tinting, dyeing or backing photographic film : en
  • US1957548A - Expansion valve : en
  • US1957912A - Moisture resistant fibrous material : en
  • US1958243A - Apparatus for feeding wires : en
  • AT137574B - Container for card rolls. : de en
  • US1957925A - Method of and apparatus for measuring frequency : en
  • US1958175A - Cylinder connection for printing machines : en
  • US1958300A - Cutting device : en
  • US1958214A - Means for forming the banjo and frame of a rear axle housing : en
  • CA341556A - Roundhouse equipment : en fr
  • AU1408633A - Improvements in and relating to leaf springs : en
  • AT137523B - Device for regulating the gas outlet in gasification burners. : de en
  • US1957564A - Expanding capsule body : en
  • US1957786A - Coating composition : en
  • CA341496A - Shower head : en fr
  • AT137448B - Broadcast Procedure. : de en
  • AT137458B - Device for soldering the power supply wires of electric lamps and discharge vessels to the base. : de en
  • AT137512B - Power transmission system, especially for motor vehicles and. like : de en
  • AT137480B - Cable termination for arrangement in the distribution frame. : de en
  • US1957447A - Printing machine : en
  • US1957797A - Reflector : en
  • US1958250A - Speed responsive means : en
  • US1957958A - Cigarette construction : en
  • USD92175S - Design for an elastic lace braid : en
  • AT137433B - Apparatus for measuring illuminance levels. : de en
  • US1957631A - Carburetor : en
  • AT137463B - Control device for electric knitting machine drives. : de en
  • AT137475B - Method for producing joints and elastic connections between two elements and means for carrying out the method. : de en
  • US1957789A - Chocolate butter and method of making same : en
  • US1957810A - Hydrocarbon oil conversion : en
  • US1958354A - Jet pump and the like : en
  • US1957874A - Bag filling machine : en
  • GB409948A - An improved indexing or filing device : en
  • US1958258A - Automatic steering system : en
  • US1958379A - Valve construction : en
  • AT137459B - With a fiber blanket, inflatable hollow rubber bodies and processes for their manufacture. : de en
  • US1957811A - Circular oven : en
  • US1958344A - Securing means for holding electric light bulbs in sockets : en
  • US1957674A - Washing, cleaning, emulsifying and wetting-out agent : en
  • GB410066A - Improved method of balancing rotating bodies : en
  • US1957527A - Spraying construction : en
  • US1957973A - Method of case hardening : en
  • US1958116A - Brake lining and method of making the same : en
  • CA341462A - Electric thermal switch : en fr
  • AT137508B - Protective device for belts, drawstrings, etc. like : de en
  • US1957834A - Railway car truck : en
  • US1958129A - Loom for weaving tufted fabric with pattern on the back : en
  • CA341395A - Cigarette package : en fr
  • DE583511C - Roll cassette for photographic display devices : de en
  • GB409812A - Improvements in and relating to refining engines for paper pulp : en
  • US1958279A - Filter : en
  • US1958374A - Manufacture of composite air-blown : en
  • AT137503B - Tobacco box with cigarette wrapping device. : de en
  • AT137504B - One-handed cigarette case. : de en
  • AU1238233A - An improved concrete block making machine : en
  • DE596666C - Railway center buffer coupling with steel and rubber springs arranged on the drawbar on both sides of the head sill of the vehicle frame : de en
  • US1957993A - Vacuum discharge vessel : en
  • US1957589A - Fruit clipper : en
  • GB409928A - Improved means for attaching top pieces to heels : en
  • CA341527A - Solvent extraction : en fr
  • FR763957A - Friction damper with different damping action in both directions : en fr
  • US1958111A - Label wiping mechanism : en
  • US1958172A - Well pump : en
  • AT137492B - Shower bath facility. : de en
  • AT137555B - Acetylene developer based on the drawer system with a fixed gas bell. : de en
  • AT137494B - Attachment tape for windows and doors. : de en
  • US1957626A - Envelope or like container : en
  • US1957903A - Wrapping material : en
  • DE596621C - Speedometer with flying pendulum : de en
  • DE596616C - Shop window screen : de en
  • US1958015A - Well pump : en
  • AU1334533A - Improvements inthe method of and apparatus for shrinking cloth : en
  • CA341416A - Cultivating and hilling machine : en fr
  • CA341432A - Fly catcher : en fr
  • US1958176A - Portable water softener : en
  • AT137484B - Socket. : de en
  • US1957754A - Fuel pumping system for internal combustion engines : en
  • US1958154A - Piston expansion means : en
  • US1958329A - Axle puller : en
  • GB409798A - Improvements in or relating to devices for supporting articles to be dried or aired : en
  • US1957571A - Echo suppressor : en
  • US1957858A - Anthraquinone dyestuffs : en
  • CA341424A - Furnace : en fr
  • USD92160S - Design for a powder container : en
  • US1957456A - Method of and apparatus for treating metal castings : en
  • US1957601A - Paint brush ferrule : en
  • US1957615A - Water heater : en
  • US1957860A - Spinning bobbin : en
  • US1957484A - Purification of organic bodies : en
  • US1958157A - Can opener : en
  • US1957883A - Vacuum juicer : en
  • US1957884A - Spindle for a reeling device : en
  • US1958099A - Indicating electric fuse : en
  • CA341553A - Door : en fr
  • US1958043A - Magneto field member : en
  • US1958115A - Window channel : en
  • GB410001A - Improved manufacture of tri-alkali phosphate from ferrophosphorus : en
  • US1957514A - Defoamed product : en
  • US1957621A - Veneer handling machine : en
  • USD92159S - Design for a button : en
  • US1957625A - Rectal bath : en
  • US1957865A - Mold for ice cream and the like : en
  • DE596524C - Casting mold for die setting and line casting machines with inserts : de en
  • GB409806A - Improvements in and relating to washer boxes for coal : en
  • GB410009A - Improvements in an apparatus for the introduction of medicaments into the human or animal body by means of iontophoresis : en
  • USD92210S - Design fob a mixer : en
  • AT137509B - Cigarette tube with cotton filter. : de en
  • GR4708B - PORTABLE MEN'S CLOTHING HANGER. : el en
  • FR763906A - Process for the manufacture of cellulose alfa from bamboo stems, with a view to the manufacture of cellulose esters in place of cotton pulp and derivatives : en fr
  • FR763991A - Combination of moldings and electrical conductors : en fr
  • GB410112A - Improvements in or relating to non-metallic fastenings and to methods of using the same : en
  • CA341437A - Door lock gauge : en fr
  • GB409879A - Improvements relating to vee type knife sharpeners : en
  • GB409959A - Improvements in or relating to drawing rollers for textile machinery : en
  • US1957970A - Method of photographically producing "ben day" tones : en
  • DE591192C - Driver for looms : de en
  • FR763866A - Separator for electric accumulators and the like : en fr
  • US1957583A - Combustion apparatus : en
  • US1958146A - Method of removing welding flash : en
  • USD92187S - Design fok a badge or similar article : en
  • USD92190S - Design for a table top : en
  • GB409789A - An improved electric spot-welder : en
  • DE596988C - Safety device for closed gas stoves, gas stoves, etc. like : de en
  • DE596532C - Control transformer in economy circuit : de en
  • US1957628A - Finger print card holder : en
  • GB409841A - Improvements in or relating to light metal pistons : en
  • US1958324A - Auditorium : en
  • US1957840A - Process of refining hydrocarbons : en
  • US1958231A - Display package : en
  • DE596940C - Method for the simultaneous transmission of the same text over several neighboring telecommunications circuits : de en
  • DE596979C - Method and device for heating vacuum pumps : de en
  • AU1240733A - Improvements in or relating to dough mixing and kneading machines : en
  • DE594393C - Toy image projector with picture book : de en
  • FR43394E - Improvement in the assembly of leather goods or other seamless items : en fr
  • GB409951A - Improvements in dye-sticks : en
  • GB410147A - Television transmission method : en
  • GB410501A - Improvements in and relating to the sealing of waterless gas-holders : en
  • DE596722C - Machine for welding longitudinal or circumferential seams : de en
  • DE596789C - Process for the production of a carrier provided with an abrasive coating, in particular sandpaper : de en
  • GB410061A - Improvements in apparatus for use in permanently waving hair : en
  • GB410076A - Improvements in the production of photographic records of sound : en
  • US1958268A - Filter and filter element and method of making filter elements : en
  • GB409929A - Improvements in and connected with locking means for electric lamps and other devices : en
  • FR43365E - Lightweight wheel with steel tread, particularly intended for railcars : en fr
  • CA341526A - Road or railway vehicle : en fr
  • DE596556C - Cinematographic recording apparatus : de en
  • GB409900A - Method of and apparatus for making thread or strip material : en
  • GB410096A - Governor control for self-propelled vehicles : en
  • US1957756A - Mower : en
  • US1957549A - Billiard chalk holder : en
  • US1957632A - Radio time control : en
  • AT137487B - Device for protecting electrical installations against insulation faults. : de en
  • GB409874A - Improvements relating to dress-shields : en
  • DE596911C - Process for the production of synthetic compositions made from vinyl chlorides : de en
  • GB409936A - Method of manufacturing colours of iron, or crystallized sulphate of iron or other soluble salts of iron from pyrites cinders : en
  • US1957427A - Process for increasing the mechanical strength properties of steel : en
  • FR763838A - Improvements to electric welding machines : en fr
  • GB409915A - Improved method of obtaining sensibly constant retroactive feedback in a thermionic detector : en
  • FR763782A - Improvements to receptacles intended to contain fluids : en fr
  • GB409833A - Improvements in and relating to casting reels used in angling : en
  • GB410117A - Improvements in or relating to the production of raised photomechanical printing surfaces : en
  • USD92183S - Design for a garment : en
  • DE596768C - Compartment mounted on a rotary axis : de en
  • GB409853A - Improvements in or relating to rotors for blowers of the roots type : en
  • DE596701C - Process for filling granular or powdery bulk goods into valve bags : de en
  • DE596812C - Clamping column for rock drilling machines : de en
  • US1957431A - Railway car conditioning : en
  • US1957434A - Process for the production of a covering similar to linoleum : en
  • US1957948A - Vehicle wheel and brake : en
  • US1958158A - Fabricating and welding wide sheets of metal : en
  • US1958245A - Control system : en
  • GB409963A - Improvements in and relating to the operation of gas-blast electric switches : en
  • US1958265A - Combustion chamber : en
  • GB409797A - Improvements in and relating to settee and chair beds : en
  • US1957957A - Tray making machine : en
  • US1958291A - Cooling apparatus : en
  • GB409953A - Improvements in or relating to electric incandescent lamps of tubular form : en
  • DE596643C - Process for the production of gravel roads : de en
  • US1957985A - High voltage terminal construction : en
  • GB409844A - Improvements in or relating to the storage or transport of cold : en
  • GB410018A - Improvements in and relating to pirnless shuttles for weaving looms : en
  • FR763941A - Method for the rational manufacture of sleepers with bosses, and apparatus used therefor : en fr
  • DE596376C - Device for applying and conveying sheet-like blanks made of cardboard, corrugated cardboard or the like to constantly rotating tool sets : de en
  • GB410044A - Improvements in pilger rolls : en
  • DE596482C - Two-part piston for internal combustion engines : de en
  • DE596638C - Process for the production of light wood-like panels from plant fiber material : de en
  • US1958079A - Method and apparatus for testing for internal flaws : en
  • GB410053A - Improvements in or relating to brakes for movable parts : en
  • FR763795A - Continuous motion steam engine : en fr
  • GB409934A - An improved suspension device, more particularly intended for use with electric heaters for hair waving : en
  • GB410166A - Improvements in stuffing-box substitutes for liquid-measuring and like apparatus : en
  • GB409757A - Improvements in or relating to refrigerating apparatus : en
  • DE596754C - Process for the preparation of o-oxyazo dyes : de en
  • DE596454C - Women's pants : de en
  • US1957666A - Double throw switch : en
  • US1957723A - Sweat band flanging machine : en
  • US1958159A - Disconnecting switch with compensated electrodynamic forces : en
  • GB410064A - Improvements in and relating to electric motors : en
  • AT137581B - Process for making soap. : de en
  • AT137583B - Locking device for a hand excavator. : de en
  • GB409782A - Improvements in mechanism for controlling the numbers in rotary numbering boxes for printing machines : en
  • US1957503A - Power transmitting device : en
  • US1957605A - Pipe coupijng : en
  • US1957669A - Fuel pump : en
  • AT137579B - Impulse remote control. : de en
  • US1957765A - Magnetomotive force circuits : en
  • AT137527B - Method and device for the production of panels from fibrous masses. : de en
  • US1957805A - Ball joint for conduits : en
  • AT137575B - Card game. : de en
  • US1957859A - Lock : en
  • US1958126A - Bobbin : en
  • AT137598B - Air pump. : de en
  • US1957494A - Treatment of materials : en
  • US1957715A - Lubricating cup : en
  • US1958081A - Warp switch : en
  • US1957524A - Method of making beturn bends : en
  • CA341423A - Animal snare : en fr
  • US1958082A - Diaper : en
  • US1957457A - Optical rectifying system for moving picture projectors and cameras : en
  • US1958383A - Method and apparatus for obtaining intimate contact between a gas and liquid : en
  • AT137468B - Wall plugs. : de en
  • AU1366033A - An improved machinery belt fastener : en
  • US1957578A - Semiautomatic transmission : en
  • US1957977A - Switch heating device : en
  • AU1470233A - Froth flotation treatment of ores : en
  • US1957947A - Motion picture auditorium : en
  • US1958237A - Brake mechanism for motor vehicles : en
  • GB409759A - Improvements in and relating to polyphase rectifiers : en
  • GB410050A - Device for attaching microscopes to machine tools : en
  • GB409864A - Improvements relating to gas turbines : en
  • FR763857A - Hydrocarbon transformation process : en fr
  • GB409817A - Improvements in or relating to railway and tramway tracks : en
  • GB409775A - The manufacture of new azo dyestuffs : en
  • GB410070A - Improvements in the treatment of bristles for tooth brushes and other brushes : en
  • GB410124A - Improvements in and relating to electric cable installations : en
  • CA341510A - Make and break contact : en fr
  • DE596659C - Process for the production of thiourea from rhodanammonium : de en
  • DE596723C - Self-collecting locking machine that can be attached to typewriters as an additional device : de en
  • GB409814A - Improvements in and relating to wind-screens for use on motor vehicles : en
  • AT137544B - Control arrangement, in particular for power machines. : de en
  • DE596484C - Linking machine : de en
  • CA341434A - Interlocking valve : en fr
  • GB409847A - Improvements in and relating to the preparation of titanium and iron compounds : en
  • GB409950A - Erecting device for movable scaffold poles : en
  • GB409996A - Improvements in joints for soil and flush pipes of w.c. basins : en
  • DE596461C - Side rail for the usual railway superstructure for driving on for rubber-tired vehicles : de en
  • GB409909A - Improvements in or relating to a cooling apparatus and process for annealed material : en
  • GB410000A - Improvements in and relating to rail vehicles : en
  • GB409779A - Improvements in or relating to printing devices for use in addressing or like machines : en
  • FR43373E - Reservoir pen holder : en fr
  • US1957738A - Lister : en
  • US1957771A - Snowplow : en
  • AT137498B - Electric glow igniter. : de en
  • FR763870A - Process for covering ferrous metals with an alloy which protects them against corrosion and new industrial products obtained by applying said process : en fr
  • US1957963A - Paper making machine : en
  • GB409866A - Improvements in or relating to advertising and like signs : en
  • DE596797C - Centrifugal drum with outlet openings arranged on its circumference and leading radially outwards for the solid components separated from the centrifugal fluid : de en
  • DE596948C - Roll film and plate camera with focusing screen setting : de en
  • US1957917A - Tractor : en
  • FR763825A - Elastic bench : en fr
  • GB410115A - Improvements in or relating to the treatment of motor fuel : en
  • FR763974A - Further development in radiators, especially applicable to aircraft engines : en fr
  • GB409793A - Improvements in or relating to the production of road surfaces : en
  • GB409863A - Process and apparatus for the distillation of zinc and other volatile metals : en
  • FR763981A - Spring wheel for vehicles running on rails : en fr
  • GB410014A - Improvements in the manufacture of the inner parts or drawers of match and similar boxes : en
  • US1957432A - System for recording the timing conditions in internal combustion engine ignition circuits : en
  • US1957823A - Portable polishing machine : en
  • GB410104A - Improvements in the method of coating iron or steel articles with aluminium : en
  • GB410055A - Improved method of manufacturing partitioned tubes of glass and the like : en
  • DE589045C - Measuring device : de en
  • DE596674C - Centrifugal casting mold for the manufacture of tubular bodies : de en
  • DE596472C - Phosphate glasses : de en
  • GB410042A - A device for polishing shoe heels : en
  • US1957825A - Boiler feed and low water cut-off : en
  • US1958054A - Apparatus for separating liquids of different gravity : en
  • GB410094A - A device for spraying paint or colouring matter : en
  • FR763861A - Improvement in alcohol dehydration apparatus and in general in distillation apparatus : en fr
  • AU1115033A - Improvements especially relating tothe covering of printed matter andthe like particularly to produce apparent movement : en
  • US1957703A - Radiator : en
  • US1958075A - Means for adjusting the cutters of boring machines and the like : en
  • GB409887A - Improvements in and relating to electron discharge devices : en
  • GB410116A - Improvements in the manufacture of hosepipes and the like : en
  • FR763762A - Fixing or junction piece for ends of metal wires or cables or other objects to be connected : en fr
  • FR763778A - Double blade fixing pliers for stylograph, mechanical pencil, etc. : en fr
  • FR763824A - Rotary wing plane : en fr
  • GB410062A - Improvements in the manufacture of evaporators for cooling air in refrigerating chambers or cabinets : en
  • GB409931A - Clasp or clip for hair waving : en
  • FR763850A - Spinning cakes spinning process by rapidly rotating the cake around its own axis : en fr
  • GB409768A - Improvements in and connected with speed indicators and revolution-speed indicators : en
  • FR43390E - Improvements to electrical devices to produce pulses, especially at low frequencies : en fr
  • GB409972A - Improvements in or relating to carriage escapement mechanism for typewriting and like machines : en
  • FR763885A - Development of warping machines : en fr
  • GB410049A - An improved process of and apparatus for operating explosion chambers and associated heat exchangers, in particular for gas turbines and the like : en
  • GB410154A - Electromagnetic apparatus for producing vibrating or reciprocating motion : en
  • GB409805A - Improved method and means for testing wires, wire ropes and rods by cyclic bending : en
  • GB410065A - Improvements in and relating to electric motors : en
  • FR763971A - Improvements in the construction and operation of filtration devices : en fr
  • GB409771A - Process of and apparatus for eliminating arsenic from concentrated sulphuric acid : en
  • DE556819C - Heat trap bell for covering cooking, roasting or baking equipment : de en
  • US1957584A - Recording and reproducing apparatus : en
  • US1957694A - Electric clock : en
  • US1958032A - Golf club : en
  • GB410136A - A method and mechanism for the purpose of producing linear and angular motion : en
  • US1958278A - Coking of tar or pitch : en
  • US1957487A - Multicore cable with thermoplastic insulation : en
  • GB410176A - Improvements relating to excavators : en
  • DE596800C - Circular loom : de en
  • GB409924A - Improvements in and relating to tennis and other racquets : en
  • US1958313A - Piston ring : en
  • US1957515A - Bumper : en
  • US1958001A - Grinding machinery : en
  • AT137464B - Device for scraping wall and ceiling surfaces. : de en
  • US1957718A - Method of centrifugal molding : en
  • US1957872A - Preservative for wood : en
  • US1958078A - Vacuum pan : en
  • AT137537B - Process for the production of photosensitive layers. : de en
  • US1957470A - Glue applying apparatus : en
  • US1957741A - Apparatus for heating water : en
  • US1957517A - Electric switch mechanism : en
  • US1957591A - Implement to clean textiles : en
  • GB409860A - Improvements in or relating to sweeping brushes : en
  • GB410067A - Improvements in or relating to diaphragm pumps : en
  • DK48710C - Bicycle mirror for placement on the head. : da en
  • DK48729C - Tongue to loose placement in the nozzles of the vacuum cleaner. : da en
  • FR763907A - Improvements to road vehicles : en fr
  • DE596626C - Nut lock : de en
  • US1957828A - Resistance unit : en
  • DE596910C - Process for producing machine hoses made of rubber with a pattern on the outside : de en
  • DE596929C - Flat-bed wooden rim with a removable segment attached by push-in tabs : de en
  • US1958223A - Water meter : en
  • US1957848A - Spindle and collet for tappet end valves : en
  • US1958009A - Pulsation eliminator for rayon systems : en
  • US1958137A - Apparatus for cutting lengths from alpha traveling web : en
  • AT137496B - Device for the production of foam by mechanical means. : de en
  • DE596624C - Clamping device for trellis wires : de en
  • AT137594B - Sealing ring for cast iron socket pipes with stuffing box. : de en
  • US1958045A - Combined lounge robe and jacket : en
  • US1957448A - Stock quotation projecting machine : en
  • US1958222A - Safety lamp guard : en
  • AU1241833A - Improvements in or relating to electric cables for use for conveying radio andother very high frequency energy : en
  • US1958005A - Receptacle and method of producing the same : en
  • CA341393A - Glucoside ester production : en fr
  • AT137426B - Method and device for finishing objects from molten silicic acid-containing substances. : de en
  • US1957496A - friden : en
  • US1958360A - Interlocking system for railroads : en
  • USD92192S - Design for a wheeled toy : en
  • US1957962A - Liquid dispenser : en
  • DK48730C - Procedure and Device for Aerating Liquids. : da en
  • GB410144A - Improvements in or relating to the production of vegetable fibres : en
  • AT137431B - High power transmitter for shorter waves. : de en
  • CA10320S - Ski and hiking hose : en
  • FR763934A - Couple dispatcher : en fr
  • CA341488A - White luminous tube manufacture : en fr
  • DE596866C - Ruler : de en
  • GB409815A - Improvements relating to hose couplings : en
  • FR763927A - : fr
  • US1958110A - Method of drying rubber : en
  • US1958128A - Safety device for machines : en
  • FR43358E - Liftable landing gear for amphibious central hull aircraft : en fr
  • GB409942A - Improvements in tubular heat exchange apparatus for fluids and tube bends or connectors therefor : en
  • AU1070132A - Improved production of ultraviolet and luminous radiations by electric discharge apparatus : en
  • CA341508A - Fertilizer manufacture : en fr
  • US1957788A - Method of refining rosin : en
  • AT137548B - Device for monitoring switch positions. : de en
  • DE596695C - Process for making holding corners for pictures : de en
  • DE596449C - Single rod winding with artificial rods, which consist of interlaced partial conductors : de en
  • DE596808C - Single or multi-phase synchronous machine : de en
  • US1957937A - Process of bleaching fibrous cellulose material : en
  • AT137408B - Conversion device for musical instruments. : de en
  • US1958163A - Hair treating box : en
  • CA341530A - Olefine gas polymerization : en fr
  • US1957929A - Superheater boiler : en
  • US1957722A - Wire stripping tool : en
  • AT137592B - Low or medium compression internal combustion engine with external ignition for heavy oil operation. : de en
  • US1957451A - Lifting cradle for demountable automobile bodies : en
  • US1957652A - Apparatus for the treatment of heavy oils and other similar products with a view to their conversion into lighter products : en
  • DE596730C - Process for the preparation of substituted aminopyridines : de en
  • FR763859A - Liquid fuel hotplate that can be used as the top of a range : en fr
  • GB409938A - Improvements in the construction of hats : en
  • GB409944A - Improvements in arc-extinguishing devices for electric switches : en
  • AT137557B - Adjustable brake linkage for rail vehicles. : de en
  • US1957537A - Multiplex radiocommunication : en
  • US1958247A - Cathode structure for mercury arc devices : en
  • CA341465A - Mineral matter dispersion : en fr
  • US1957838A - Leveling rod : en
  • US1957475A - Window display fixture : en
  • US1958130A - Axminster loom : en
  • US1957804A - Container cover : en
  • US1957845A - Sprayer : en
  • US1958132A - Cutting device : en
  • USD92206S - Design for a tray or the like : en
  • CA341544A - Cementing machine : en fr
  • US1958353A - Means for effecting distant control : en
  • US1958229A - Safety meter : en
  • US1957792A - Outside pipe cleaning machine : en
  • US1958215A - Method of forming the banjo and frame of a rear axle housing : en
  • US1957521A - Lash arresting and vibration dampening means : en
  • US1957877A - Permutation switch : en
  • GB409781A - Improvements in seats, sofas and the like : en
  • FR763946A - Adjustable bypass superheater : en fr
  • GB409794A - Improvements in or relating to spring mattresses : en
  • US1958318A - Door buffer : en
  • USD92157S - Design for an advertising drinking : en
  • US1958314A - Inclinometer : en
  • US1957599A - Dyestuff of the anthraquinone series and process of making same : en
  • DE596919C - Engine with auxiliary spring : de en
  • GB409917A - Improvements in electric time switches : en
  • GB409792A - Improvements in or relating to seats for tramway and other rail vehicles : en
  • US1957567A - Blow gun : en
  • US1957837A - Method of purifying lead, tin, and lead-tin alloys : en
  • FR763794A - Continuous motion internal combustion engine : en fr
  • FR763924A - Device for monitoring shut-off devices operated by push-button control : en fr
  • US1958197A - Means for detecting imperfections in yarn : en
  • FR763966A - Device for improving the power factor in electric discharge devices with polarized grids : en fr
  • FR43351E - Improvements to acetylene reactions : en fr
  • FR763758A - Propulsion system for aerial vehicles : en fr
  • DE596803C - Process for the simultaneous production of concentrated calcium chlorate solutions and lower hydrates of calcium chloride : de en
  • GB410056A - Improvements in or relating to collapsible frame structures of the crossed-leg type, primarily for furniture and like articles : en
  • DK48723C - Method of Manufacturing Fertilizer. : da en
  • GB409964A - Built-up demountable motorcycle : en
  • GB410026A - Pocket mirror : en
  • US1957569A - Apparatus for lapping or grinding : en
  • US1958147A - Flash removing tool : en
  • US1957575A - Apparatus for controlling railway switches : en
  • US1957588A - Tilting mechanism for dump cars : en
  • US1958155A - Automatic multiple valve unit : en
  • GB410139A - Improved method and means for operating and controlling internal combustion engines : en
  • DE596898C - Dust repellent : de en
  • FR763899A - Improvements to aircraft with rotating lifting members : en fr
  • FR763959A - Harmless Repeating Shooting Toy : en fr
  • FR43383E - Tire improvement : en fr
  • FR763761A - Manufacturing process for copying coated printed formulas : en fr
  • US1957559A - Attachment for printing presses : en
  • US1958019A - Tank cap lock : en
  • DE596724C - Method and device for the manufacture of box bases : de en
  • US1958007A - Heater : en
  • US1958213A - Dynamo-electric machine : en
  • US1958267A - Process for treating hydrocarbon oils : en
  • US1957543A - Electric clock : en
  • US1957663A - Razor blade holder : en
  • US1957798A - Gasket : en
  • US1958238A - Spinning of artificial filaments : en
  • US1958378A - Antifriction bearing : en
  • US1957557A - Locking device for sewing machines and the like : en
  • US1957542A - Amplifying circuit arrangement with parallel supply : en
  • US1958219A - Automatic ring plate valve : en
  • US1957554A - Method of forming transparent containers : en
  • US1957730A - Altimeter : en
  • US1958016A - Well pump : en
  • US1957587A - Gas burner : en
  • DE596832C - Device for starting synchronous motors, in particular for sound recording or playback devices : de en
  • US1957469A - Method of melting pitch and producing pitch products : en
  • CA341397A - Hydraulic power transmitter : en fr
  • US1957759A - Hydraulic control : en
  • US1958169A - Automobile : en
  • CA341454A - Locking device : en fr
  • GB409762A - Improvements in or relating to ink ribbon mechanism for typewriters and like machines : en
  • GB410079A - Dusting process and appliance : en
  • US1957974A - Film magazine : en
  • US1957700A - Flange connection : en
  • US1958284A - Fire extinguishing apparatus : en
  • US1958375A - Covering machine : en
  • CA341473A - Electric power converting apparatus : en fr
  • DE596457C - Device for generating gases for use in expansion heat engines : de en
  • FR763849A - Pressurized air boiler : en fr
  • GB409818A - Improvements in charging machines for glass-annealing leers : en
  • FR763953A - Spark plug improvements : en fr
  • GB409822A - Improvements in or relating to spraying devices : en
  • GB409828A - Improvements in and relating to devices for delivering materials of a soapy or greasy consistency : en
  • US1957820A - Wall construction : en
  • US1957893A - Power system : en
  • US1958150A - Wireless receiving system : en
  • US1957614A - Direct chain drive : en
  • US1957630A - Means for supporting vertical guides and other members : en
  • US1958193A - Apparatus for treating fabrics : en
  • GB409978A - Improvements in or relating to wireless aerial systems : en
  • AT137518B - Truss packaging for eggs or fruits. : de en
  • GB409888A - Improvements in hydraulic shock absorbers for automobiles : en
  • US1957650A - Compact and the like : en
  • US1957678A - Umbrella locking device : en
  • US1957831A - Toilet bowl : en
  • US1957509A - Apparatus for moving objects : en
  • US1957821A - Electric light : en
  • US1957856A - Manufacture of mixed cellulose esters : en
  • US1958121A - Drive means : en
  • AT137454B - Device for dosing and mixing liquids. : de en
  • US1957682A - Method of and material for manufacturing apparel : en
  • US1957618A - Demountable hump reel : en
  • US1958288A - Fire protective installation : en
  • US1958317A - Bobbin winding machine : en
  • AT137590B - Silencer. : de en
  • AU1239533A - Improvements in or relating tothe manufacture of sliding clasp fasteners : en
  • FR43372E - Pipe seal : en fr
  • DE596795C - Device for taping packs of rectangular cross-section with banderoles or the like. : de en
  • US1957847A - Mirror : en
  • US1958101A - Dispensing container : en
  • US1958251A - Antijimmy lock : en
  • FR763754A - Electric instrument : en fr
  • AT137476B - Frame for standing internal combustion engines. : de en
  • FR763916A - Instrument for gripping, cutting or crushing organs : en fr
  • CA341520A - Picture reproducing system : en fr
  • CA341542A - Shoe stiffener : en fr
  • US1957844A - Outlet box : en
  • AT137466B - : de en
  • FR763851A - Improvement to boilers with removable internal firebox with flashback : en fr
  • FR763995A - Incandescent wire support in tubular incandescent electric lamps : en fr
  • US1958308A - Device for resharpening razor blades : en
  • GB410036A - Improvements relating to steam generators : en
  • DE596118C - Multiple tube circuit with resistance capacitance coupling : de en
  • CA341410A - Fuel mixer : en fr
  • CA341461A - Paper roll cover and cutter : en fr
  • AT137411B - Card guide for typewriters, calculating or accounting machines. : de en
  • DK48733C - Device for supplying lubricant to pan-shaped lower shells in axle bearings, in particular for rail vehicles. : da en
  • DK48714C - Centering device for machines for making Crown-Cork Capsules and similar Shutters. : da en
  • FR763945A - Improvements to cabinets for refrigerating appliances or to heat-insulated cabinets and to the processes for coating said cabinets : en fr
  • US1958369A - Process of extracting lubricating oils : en
  • CA341392A - Aseptic discharge nozzle : en fr
  • CA341498A - Wool cleaning process : en fr
  • FR43355E - Improvements to containers for mushroom white : en fr
  • FR43397E - Process for the preparation of pure anhydrous sodium sulfide : en fr
  • FR763964A - Transparent, flexible and foldable curtain for display cases, bookcases, cupboards and similar furniture : en fr
  • AU1068432A - An improved cultivator : en
  • US1958366A - Electric fuse : en
  • US1957592A - Weather strip for sliding sashes : en
  • US1957762A - Glow plug for internal combustion engines : en
  • FR763753A - Apparatus for introducing "crepe" fabrics into the reams : en fr
  • US1957516A - Electric switch mechanism : en
  • FR763780A - Assembly intended for the detection of high frequency oscillations with subsequent amplification : en fr
  • AT137538B - : de en
  • CA341503A - Insoluble sulphur : en fr
  • DE596839C - Process for operating water gas generators with alternating gas directions : de en
  • AU1239333A - Improvements in or relating tothe manufacture of sliding clasp fasteners : en
  • AU1155633A - Improvements in coating absorbent materials : en
  • CA341428A - Resin article production : en fr
  • DE596332C - Device for pouring matrices set in a manual setting boat in a die setting and line casting machine : de en
  • AT137444B - Toilet box. : de en
  • CA341499A - Silent gear : en fr
  • DE596650C - Device for the production of seamless, thin-walled pipes from fibrous materials and hydraulic binders on a rounding machine : de en
  • GB410074A - Improvements relating to gramophones : en
  • CA341562A - Biscuit cutter : en fr
  • AT137513B - A ship shape consisting of an upper and a lower ship with a propulsion system in the fore. : de en
  • CA341474A - Electric power converting apparatus : en fr
  • FR43382E - Improvements to nominal tracking devices used in t.s.f. : en fr
  • FR43366E - System for mounting the propeller blades in their hub to adjust their incidence on the ground : en fr
  • US1957675A - Seaplane : en
  • GB409777A - Improvements in and relating to photographic cameras : en
  • US1958393A - Apparatus for reforming can bodies : en
  • USD92158S - Design fob a base unit for a cabinet : en
  • FR763755A - Improvement in the establishment of forks : en fr
  • FR763801A - Game table for public establishments : en fr
  • US1957808A - Fluid analyzing method and apparatus : en
  • US1958068A - Device for automatically reeling strips of stampings : en
  • FR763961A - Automatic heating control device for central heating boilers : en fr
  • DE596806C - Circuit arrangement for telephone systems with dialer operation : de en
  • FR763982A - Tire tire for vehicles running on rails : en fr
  • GB409858A - Improvements in and relating to telephone cables : en
  • US1957531A - Lamp socket : en
  • FR763876A - Improvements to dust vacuum cleaners : en fr
  • GB410196A - Improvements in or relating to pipe joints for metal pipes having a protective lining : en
  • AT137524B - Device for room ventilation. : de en
  • AT137543B - Dry gas meter with four measuring spaces formed by the arrangement of two membranes in two separate capsules and control by means of slides that are located next to one another and move parallel to one another. : de en
  • GB409970A - Improvements in television receiving systems : en
  • GB410167A - Improvements in or relating to road traffic control systems : en
  • GB409979A - Improvements in or relating to photophonographic apparatus : en
  • GB409935A - Improvements in devices for the withdrawal of liquid extracts : en
  • AT137514B - Drive for rail vehicles. : de en
  • GB410046A - Device for preventing blow-downs in chimneys and for ventilating motor cars, buses, railway carriages, ships, buildings, and the like : en
  • GB409783A - Improvements in tubes for economizers or feed water heaters : en
  • GB409855A - Apparatus for separating moisture from and drying steam or other vapours or gases, applicable to the heating of boiler feed water and other liquids : en
  • DE596458C - Device for the continuous production of clear ice : de en
  • DE596552C - Device for separating spherical particles of a certain size from a powdery mixture : de en
  • FR763802A - Current transformers with reinforced windings against short circuits : en fr
  • FR763869A - Heat treatment process for aluminum-magnesium alloys : en fr
  • GB409958A - Improvements in stands or trays for the reception of annealing or cementation boxes : en
  • DE596590C - Folder for punched cards that are lined up on detachable or hinged holding devices : de en
  • CA341521A - Television system : en fr
  • GB409878A - An improved thermostat : en
  • GB410068A - Vaporizing device for liquefied gases : en
  • US1957835A - Safety device for punch presses : en
  • FR763845A - Tube and bar bending machine : en fr
  • GB409819A - Improvements relating to cash and like receptacles or boxes : en
  • US1958386A - Electric phonograph reproducer : en
  • GB409808A - Improved harrow : en
  • US1957436A - X-ray apparatus : en
  • GB409893A - Improvements in or relating to electric furnaces : en
  • US1958212A - Modulated oscillator : en
  • US1958042A - Folding chair : en
  • USD92186S - Design for a textile fabric or : en
  • FR763807A - Artificial bristles with reduced gloss and transparency : en fr
  • DE596894C - Device for influencing the filling and releasing of compressed air brakes : de en
  • FR763816A - Float paddle : en fr
  • GB410171A - Improvements in or relating to rubber surfaces and methods of preparing the same : en
  • GB410132A - Improvements in the manufacture and production of polymerisation products : en
  • US1958170A - Liner pump : en
  • GB410040A - Improvements in and relating to cardboard and like collapsible boxes : en
  • FR763844A - Explosive system and cartridges including application : en fr
  • GB410039A - Improvements in electrical time signalling systems : en
  • US1958396A - Liquid feed system : en
  • US1958191A - X-ray unit : en
  • US1957793A - Shock absorber : en
  • GB409910A - Process for refining crude copper : en
  • CA341389A - Turf puncturing roller : en fr
  • CA341405A - Cellulose material processing : en fr
  • FR763994A - Wide ribbon projector for bright projection of news or other information : en fr
  • US1958287A - Accelerator : en
  • US1957642A - Lock : en
  • USRE19161E - Filtration of petroleum tars : en
  • US1957971A - Ventilator : en
  • FR763867A - Arrangement of surfaces likely to use the sun's rays for the preparation of water or hot solutions : en fr
  • US1958173A - Filled can weighing and sorting apparatus : en
  • USD92224S - Design for a compact or the like : en
  • FR763841A - Driving process for piles, sheet piles, piles, tubes : en fr
  • GB409827A - Improvements in and relating to furnace walls and blocks therefor : en
  • GB410140A - Improvements in the construction of boats : en
  • US1957482A - Electrolytic cell : en
  • USD92168S - Design for a swing plug for use with : en
  • US1957586A - Lock : en
  • US1957661A - Meter : en
  • USD92163S - Design for a combination manicure : en
  • FR763942A - Improvements in the manufacture of olefins and other products : en fr
  • USD92178S - Design for a spoon ob similar article : en
  • AU1240633A - Scorer for 500 with calendar combined : en
  • US1957778A - Separable plug : en
  • US1958171A - Well pump : en
  • US1958183A - Lubricating device : en
  • CA341419A - Multifocal lens : en fr
  • AT137418B - Method and device for forming leather gaiters. : de en
  • DE596459C - Device for conveying condensate from surface condensers : de en
  • AT137481B - Remote control and telecommunication device. : de en
  • AU1329933A - Improvements in cardboard boxes : en
  • AT137565B - Process for the production of resistance masses for electrical resistors. : de en
  • AT137540B - Device for multiple transmission of measured quantities. : de en
  • AU1383133A - Process forthe production of valuable hydrocarbons : en
  • US1957670A - Holder for fastener elements and the like : en
  • US1957918A - Process of making sulphur soap : en
  • US1957816A - Combined natural color kit and chart : en
  • US1957892A - Vat dyestuffs of the dibenzopyrenequinone series : en
  • GB409820A - Builders wall plough for pointing work : en
  • DE596699C - Electric bell ringing device : de en
  • US1957817A - Process and apparatus for making paper : en
  • US1957466A - Valve mechanism : en
  • US1957745A - Method and apparatus for projecting pictures : en
  • US1957949A - Antenna : en
  • US1958228A - Art of coking hydrocarbons : en
  • US1957541A - Ignition device for internal combustion engines : en
  • US1958143A - Control mechanism for sprinkler alarms : en
  • US1957610A - Milk bottle lock : en
  • US1958011A - Pipe packing : en
  • AT137539B - Electric pull-through furnace for the continuous annealing of metal strips, wires, sheets or small parts. : de en
  • AT137532B - Process for the production of artificial threads from viscose. : de en
  • GB409861A - Improvements in devices for the combustion of liquid fuel : en
  • US1957660A - Stenciling process : en
  • US1957746A - Integrating mechanism : en
  • DK48732C - Refrigerator for storing whole milk. : da en
  • US1957943A - Differential chain hoist : en
  • US1957961A - Coating apparatus : en
  • US1957897A - Inclinometer : en
  • GB409927A - Electric boiling plates : en
  • US1958141A - Method of making alpha flexible connection : en
  • AT137451B - Diathermy mask. : de en
  • CA341451A - Welding wire feed device : en fr
  • DE596920C - Device for generating a slow axial reciprocating movement of rapidly rotating machine parts : de en
  • US1957818A - Process of rectification : en
  • US1958033A - Transparent ribbon : en
  • US1957690A - Wheel rim : en
  • AT137497B - Continuous reel. : de en
  • AU1640534A - Process forthe treatment with hydrogenating gases of distillable carbonaceous materials : en
  • US1957637A - Brake : en
  • AT137521B - : de en
  • US1957595A - Electrical pump control for water systems : en
  • US1958073A - Filtering faucet : en
  • AT137573B - Method and device for rapid peeling. : de en
  • US1957655A - Internal combustion engine : en
  • US1957712A - Combination auto driven car and truck : en
  • US1958296A - Tent frame : en
  • US1958327A - Water-insoluble colored products fast to light, to water, and to weather : en
  • AT137551B - Manufacture of objects that must be resistant to the attack of heated hydrogen. : de en
  • FR763848A - Metal frame for brushes, brooms and mops : en fr
  • GB409982A - Improvements in forced fits for connecting metallic elements : en
  • AT137473B - Sealing strips on suction boxes of paper machines or the like and a method for their production. : de en
  • CA341391A - Automobile lift device : en fr
  • US1957667A - Chip-flow lathe for hard-metal and diamond tools : en
  • AT137511B - Drive device for motor vehicles with a tubular support which is arranged in the longitudinal center plane of the vehicle and forms the chassis. : de en
  • AT137439B - Process for the production of bodies consisting of a core and a jacket. : de en
  • US1957983A - High voltage terminal construction and method of assembly : en
  • US1958181A - Apparatus for producing tubing or the like : en
  • DE596744C - Quartz crystal arrangement : de en
  • US1958119A - Outboard motor : en
  • US1958289A - Fire extinguishing installation : en
  • US1957724A - Intermediate connection for haulage cages : en
  • US1958047A - Ventilating apparatus for dynamoelectric machines : en
  • AT137561B - Process for welding fluoro iron, gray cast iron, cast steel, silicon cast and structural steels. : de en
  • AT137479B - Motor starters and regulators, in particular for sewing machines. : de en
  • CA341476A - Electric power converting apparatus : en fr
  • CA341485A - Cellulose nitration : en fr
  • CA341497A - Synthetic resin : en fr
  • FR763809A - Improvements to the mechanisms actuating grid conveyors : en fr
  • FR763917A - Improvements to devices for marking roads or lanes : en fr
  • GB409791A - Improvements in and relating to processes for dehydrating alcohols by azeotropic distillation and apparatus therefor : en
  • GB410161A - Improvements in or relating to methods of and apparatus for preparing an electrolysed antiseptic : en
  • US1957576A - Air moistening device : en
  • US1958142A - Tank : en
  • GB410008A - Improvements in or relating to the manufacture of mixed halogenated compounds for use as di-electric media : en
  • AU1249533A - Improvements in or relating tothe manufacture of wire fabric or network : en
  • AT137588B - Gas turbine unit with multi-stage combustion. : de en
  • CA341386A - Egg beater : en fr
  • CA341384A - Hydraulic transmission gear : en fr
  • AU1301933A - Improvements in or relating to refrigerating by means of solid carbon dioxide : en
  • CA341452A - Welding apparatus : en fr
  • AU1442033A - Improvements relating to shoes made wholly or mainly of rubber : en
  • CA341422A - Tobacco pipe : en fr
  • US1957964A - Method and apparatus for treating fruit and the like : en
  • US1957989A - Gearing : en
  • US1958151A - Power press and the like : en
  • US1958348A - Automatic projecting means for oven trays : en
  • USRE19157E - Apparatus for speed control : en
  • US1957648A - Process and apparatus for the treatment of heavy oils and the like for the conversion thereof into lighter products : en
  • AU1500133A - Improved method of and machine for forming ribbons of glass having spaced bosses thereon : en
  • US1957991A - Cultivator stock : en
  • FR763815A - New Chromatable Yellow Monoazo Dyes and Method of Preparation : en fr
  • FR763909A - Method for lubricating idler wheels of vehicles, in particular rail vehicles, and lubricating device for implementing the method : en fr
  • AT137568B - Process for the production of press powder. : de en
  • AT137545B - Automatic depositing device for slicing machines with rotating circular knife. : de en
  • DE1299840U - : de en
  • US1958315A - Prepaeation of effect threads : en
  • AT137552B - Circuit for amplifying electrical vibrations. : de en
  • CA341383A - Auto top material : en fr
  • US1957750A - Process of recovering solvent from sludge : en
  • US1957921A - Furnace : en
  • US1958051A - Mounting device for electric fixtures : en
  • CA341489A - Display container : en fr
  • DE596684C - Coin dispenser : de en
  • US1957656A - Bread rack : en
  • US1957607A - Water tube boiler baffle : en
  • US1957790A - Floor sander : en
  • CA341402A - Jointed doll or puppet : en fr
  • FR763894A - Cathode ray tube : en fr
  • GB409736A - Improvements in or relating to refrigerating apparatus : en
  • US1958152A - Device for automatically adjusting the size of the loop in cinematographic apparatus : en
  • AT137477B - Internal combustion engine. : de en
  • AT137600B - Sealing bearing. : de en
  • CA341440A - Tooth brush and paste holder : en fr
  • CA341566A - Valve : en fr
  • US1957528A - Method of precipitating titanium compounds : en
  • US1957861A - Cellulose acetate composition containing a mix ture of isomeric cresyl toluene sulphonates : en
  • US1958276A - Child's folding toilet seat : en
  • US1958328A - Tobacco can : en
  • AT137457B - Rubber thermophore. : de en
  • DE596783C - Film counter on roll film cameras for different film switching paths : de en
  • AT137542B - Tabulating machine for evaluating punch cards. : de en
  • GB409895A - Improvements in crushing mills preferably for crushing coke, cinders and the like : en
  • DE596720C - Process for the production of anti-knock motor fuels and highly viscous oils : de en
  • CA341554A - Window fastener : en fr
  • AU1356433A - Improved method of and apparatus for preliminarily shaping inflatable plastic articles such as tyre tubes : en
  • AT137597B - Wall panel with shut-off valve. : de en
  • US1957833A - Railway car truck : en
  • US1957873A - Wood preservative : en
  • US1958323A - Manufacture of aluminium in high power tanks : en
  • AT137437B - Gas-filled electric incandescent lamp for emitting ultraviolet rays. : de en
  • DE596778C - Coupling for connecting pipes, rods, wires, etc. like : de en
  • AT137447B - Device for correcting the position and for supporting the uterus. : de en
  • AU1459033A - Anti-bog device for motor vehicles : en
  • US1958118A - Method and apparatus for homogenizing aqueous dispersions : en
  • CA341560A - Textile apparatus : en fr
  • AT137547B - Photoelectric device. : de en
  • CA341537A - Windshield cleaning system : en fr
  • US1957644A - Pivotal coupler : en
  • US1957803A - Spark plug tester : en
  • CA341535A - Piano action : en fr
  • US1958145A - Fan : en
  • US1957728A - Locking device for bull rings : en
  • AU1512433A - Improved construction of crown-cork : en
  • US1957442A - Flash lighter construction for gas ranges : en
  • US1958198A - Amplifying and reproducing system : en
  • AT137515B - Combined heating element for steam and electric heating. : de en
  • CA341524A - Window channel : en fr
  • CA341550A - Short wave oscillation generator : en fr
  • GB409977A - Improvements in or relating to machines for working liquid, pulverised or granular materials, particularly for mixing and conching cacao and chocolate materials : en
  • US1958023A - Pressure regulator : en
  • US1957491A - Discharge printing : en
  • US1957574A - Shoe buttoning machine : en
  • USD92199S - Design for a spectacle front : en
  • CA341388A - Container : en fr
  • CA341481A - Stabilization of formaldehyde solutions : en fr
  • AU1342433A - Improvements relating to apparatus for decreasing rail contact resistance on railways andthe like : en
  • CA341551A - Telephone transmitter : en fr
  • FR764000A - High voltage electric shock device : en fr
  • FR763768A - Gear and gear change device for locomotives with internal combustion engines, and other applications : en fr
  • AT137500B - Method and device for loading containers. : de en
  • US1958294A - Railway car retarder : en
  • AT137493B - : de en
  • CA341421A - Saw setting device : en fr
  • US1957647A - Boat steering mechanism : en
  • FR763752A - Counter magazine specially for coins : en fr
  • US1957871A - Speed governor mechanism : en
  • USD92217S - Design fob a garter clasp loop : en
  • AT137535B - Process for bleaching delicate fibers. : de en
  • DE596716C - Process for the production of water-soluble, high molecular weight condensation products : de en
  • DE596834C - Electrical resistance with a conductivity that depends on the voltage, especially for electric light bulbs or discharge tubes : de en
  • GB410031A - Improvements in or relating to ship propulsion systems employing internal combustion engines : en
  • GB410077A - Improvements in or relating to manufacture of concrete pipes : en
  • US1958254A - Apparatus for separating a single cylindrical article from a quantity of such articles : en
  • AT137572B - Process for the heat treatment of copper-containing structural and structural steels, which has the same effect as hardening. : de en
  • DE596710C - Electric antifreeze device : de en
  • FR763808A - Improvements to grid conveyors : en fr
  • CA341477A - Electric power converting apparatus : en fr
  • US1957520A - Drop wire frame : en
  • US1957740A - Tubular skate : en
  • GB410010A - Improvements in circuit arrangements for supressing noise in radio receivers : en
  • USD92213S - Design for a lens clip : en
  • US1957426A - Miniature camera spool and winding mechanism : en
  • US1957939A - Process for the production of carboxylic acids : en
  • DE596825C - Deterrents : de en
  • FR763960A - New process for the treatment of musts or fruit juices : en fr
  • GB410075A - An improved method of and apparatus for making boxes of the drawer and shell type : en
  • GB409796A - Improvements in keys for use in railway chairs : en
  • AT137596B - Resilient locking device for disk apparatus for the treatment of liquids. : de en
  • US1957513A - Means and method of defoaming : en
  • US1957560A - Means for cleaning the plates of an electrostatic air or gas cleaner : en
  • US1958052A - Building construction : en
  • US1958221A - Rod packing : en
  • US1958272A - Tank gauging apparatus : en
  • CA341415A - Paper container : en fr
  • CA341436A - Vehicle brake : en fr
  • US1958114A - Jack : en
  • GB410483A - Improvements in carburetors : en
  • CA341447A - Metaldehyde poisoning preventing means : en fr
  • USD92193S - Design for a wheeled toy : en
  • US1957906A - Electric cut-out : en
  • US1958177A - Railway signaling system : en
  • USD92208S - Design for a shoe ob similar article : en
  • GB409823A - Electro-responsive systems, for use particularly for protective purposes : en
  • DE596679C - Process for the preparation of derivatives from polymers of acrylic acid, their derivatives or their homologues : de en
  • US1957757A - Mowing machine : en
  • US1957955A - Refrigerator cabinet with : en
  • DE596617C - Safety device for roof scaffolding suspended from ropes : de en
  • GB409731A - Improvements in and relating to apparatus for aerating liquids : en
  • US1957627A - Envelope or like container : en
  • US1957459A - Anthraquinone body and process of preparing the same : en
  • US1957864A - Method for reproducing on photographic strip material : en
  • AU1253533A - Electric water-heating unit : en
  • FR763790A - Carton for shipping gloves : en fr
  • FR763817A - Electric lamp with two-color light allowing visibility in fog : en fr
  • US1958216A - Lubricating device : en
  • GB409857A - Improvements in and relating to the production of multiple letter sheets or like forms and apparatus to be employed in connection therewith : en
  • GB409937A - Improvements in or relating to aircraft catapulting apparatus : en
  • FR763763A - Improvements made to cutters for pile with double or multiple weft : en fr
  • FR763903A - Foundation pile that can be driven through rip-rap : en fr
  • GB409884A - Improvements in or relating to axminster looms : en
  • GB409886A - Improvements in or relating to chimney pots, cowls and the like : en
  • GB410078A - Improvements in and relating to cut-off devices with sudden closing for cutting off a stream of powdered or granular material circulated in a conduit : en
  • US1957508A - Treatment of artificial filaments, yarns, or threads : en
  • US1958337A - Top feeding mechanisms for sewing machines : en
  • FI15848A - Höj- och sänkbar Rost för eldstäder : en fi
  • US1957755A - Egg carton : en
  • US1957511A - Superaudible phonograph recording system : en
  • FR763929A - Metal seal : en fr
  • DE596210C - Metal cover and decorative rail for curtains, drapes or the like. : de en
  • DE596525C - Device for delivering the cast lines to a die setting and line casting machine with a slide channel : de en
  • DE596687C - Carburetors for internal combustion engines : de en
  • DE596804C - Switching of flue gas heated intermediate superheaters in steam generation systems with several steam generators : de en
  • US1957435A - Pumping mechanism : en
  • US1958321A - Bank protecting device : en
  • US1957612A - Combined pail and mop wringer receptacle : en
  • US1958136A - Method of seasoning sheets containing a solvent : en
  • US1958225A - Ventilating and air conditioning apparatus : en
  • CA341456A - Foil and thread manufacture : en fr
  • GB409923A - Arrangement for inserting pipe sections in a socket pipe line : en
  • US1957572A - Water-insoluble azo dyestuff and fiber dyed therewith : en
  • GB409765A - Improvements in the manufacture of thin metal tubes and like members : en
  • US1958207A - Means for making hemstitched seams and the like : en
  • US1958320A - Concentration of phosphate : en
  • DK48728C - Distillation tank. : da en
  • DE596675C - Hair curling device with hair wraps heated by hot air : de en
  • DE596696C - Cover plate attachment to safety razors : de en
  • FR763842A - New reinforced concrete surface : en fr
  • US1958208A - Electric long-distance indicating system : en
  • FR763856A - Improvement brought to the mechanical control of shoe brakes, and more particularly of self-locking brakes : en fr
  • US1957585A - Organ valve : en
  • US1957512A - Phonograph reproducer with superaudible frequency : en
  • US1957849A - Process and apparatus for the production of ammonia : en
  • USD92177S - Design fob a shoe heel : en
  • CA341444A - Road scraping iron : en fr
  • GB409756A - Improvements in or relating to super-heterodyne radio receivers : en
  • GB409898A - Improvements in and relating to tidal gates of the one-way flap type : en
  • DE596640C - Feed device on wrapping machines for sweets and similar items : de en
  • GB409800A - Improvements in or relating to the protection or covering of metal and means therefor : en
  • GB410122A - Improvements applicable to upholstery pads, beds, cushions and the like : en
  • AT137460B - Vacuum cleaner. : de en
  • AT137510B - Process and device for the comminution, grinding, fiberization or similar treatment of moist and dry materials. : de en
  • DE596989C - Air filter with individual pockets : de en
  • US1957671A - sadgebury : en
  • GB409749A - Improvements relating to paper cartons : en
  • FR763826A - Potato masher : en fr
  • US1957547A - Improved dibenzanthrone and process for its manufacture : en
  • US1958070A - Power transmission clutch : en
  • US1957641A - Mop : en
  • FR763882A - Hydraulic or pneumatic control device : en fr
  • US1958358A - Game : en
  • DE596951C - Method and device for screening, in particular fine-grained moist matter : de en
  • AT137585B - Method for drying paper raw materials, such as cellulose, wood pulp or the like. : de en
  • US1957878A - Cellulose organic ester composition of matter containing a benzyl ether of diethylene glycol : en
  • US1958253A - Retractible discharge nozzle for pumps : en
  • GB410041A - Improvements in water tube steam boilers : en
  • US1957927A - Piston ring : en
  • US1958061A - Folding seat accessory : en
  • DE596756C - Process for the preparation of dyes of the anthraquinone series : de en
  • FR763993A - Process for manufacturing dyestuffs from o-arylene dicyanides : en fr
  • GB409760A - A process for treating porous soils : en
  • US1957959A - Binder : en
  • DE596570C - Process for the operation of absorption refrigerators : de en
  • FR763875A - Process for the assembly by welding of steel parts with a high manganese content and assemblies obtained by this process : en fr
  • US1957566A - Suction cleaner : en
  • US1957876A - Process for the treatment of sugar juices : en
  • US1957815A - Television apparatus : en
  • DE596785C - Motor vehicle sunroof : de en
  • GB410004A - Driving device : en
  • USD92207S - Design for a tray or the like : en
  • GB410193A - Improvements in or relating to telescopic columns, masts and the like : en
  • FR763976A - Bell-shaped dry gasometer : en fr
  • GB409987A - Exercising machine : en
  • US1957772A - Refrigerator and means for circulating air therein : en
  • US1957984A - High voltage terminal construction : en
  • US1957428A - Reverse lock for driving shafts : en
  • US1957913A - Process for making paper : en
  • US1958085A - Nozzle tip : en
  • USD92181S - Design fob a stocking : en
  • US1957999A - Pile driving apparatus : en
  • US1958326A - Racket stringer : en
  • USD92172S - Design for a textile fabric or : en
  • AT137489B - Lead alloy sheath for electrical cables. : de en
  • GB409956A - Improvements in and relating to the assembly of electric wires or conductors : en
  • GB410479A - Process for impermeabilising porous or pervious masonry, concrete and other stony materials : en
  • CA341382A - Magneto-electric machine : en fr
  • CA341529A - Olefine gas polymerization : en fr
  • DE596693C - Method for clamping turbine blades for the purpose of manufacturing blade roots : de en
  • DE596599C - Device to prevent overfilling of hot gasifiers : de en
  • US1958014A - Piezo-electric crystal : en
  • US1957593A - Manufacture of phthaloylphenanthridones : en
  • AT137593B - Regulating arrangement for mechanically coupled turbines connected in series. : de en
  • CA341427A - Fish elevator : en fr
  • DE596634C - Additional device for grinding machines, especially surface grinding machines : de en
  • GB409890A - Improvements in or relating to the soles of boots and shoes : en
  • AT137440B - Electrolytic capacitor. : de en
  • FR763781A - Gear cutting machine : en fr
  • GB409767A - Improvements in and relating to fluid pressure braking apparatus : en
  • GB409906A - Improvements in removable false end caps or adapters for electric lamps : en
  • CA341439A - Speed gear : en fr
  • US1957679A - Lighting system for toy automobiles : en
  • US1957748A - Game : en
  • CA341398A - Garment pressing machine : en fr
  • GB409962A - Improvements in or relating to control and protective arrangements for electric distribution systems : en
  • US1958003A - Brief case : en
  • US1958104A - Condenser induction motor : en
  • US1958174A - Test paper correcting machine : en
  • FR763797A - Tool for making watch glasses from unbreakable materials : en fr