• DE744150C - Bandpass according to the chain principle of mutually adapted links (with regard to the wave resistance) of different damping behavior, which only consist of parallel resonance circles : de en
  • DE743449C - Process for improving the adhesive strength of bitumen, bitumen-like substances and their solutions : de en
  • DE744272C - Process for processing fungal mycelia for the production of food, luxury goods and animal feed : de en
  • DE743915C - Process for the production of transparent, water vapor impermeable foils : de en
  • US2339182A - Power unit and mounting for frictionally driving bicycles : en
  • FR889505A - All fuel gas generator : en fr
  • DE744264C - Process for the production of color photographic images with the aid of non-diffusible dye formers : de en
  • GB558522A - Improvement in flat work ironer : en
  • DE744422C - Machine group consisting of aviation piston engines : de en
  • US2338758A - Shaft coupling : en
  • US2338763A - Portable grinding machine : en
  • US2338918A - Processes for the manufacture of artificial textile fibers : en
  • DE699050C - Circuit for listening control when recording sound in half-wave writing : de en
  • CA417640A - Worm gearing : en fr
  • GB558557A - Composite catalysts suitable for use in catalyzing hydrocarbon conversion reactions and process for manufacturing the same : en
  • FR889514A - Device for the automatic weighing of materials or mixtures of grain materials of different sizes : en fr
  • FR889504A - Device for supplying overhead line buses : en fr
  • US2338919A - Process for the manufacture of artificial textile fibers : en
  • US2339141A - Method and apparatus for forming composite metal articles : en
  • USD137019S - Embroidered trimming or similar article : en
  • FR889627A - Improvements to light boxes used for examining x-rays : en fr
  • FR889482A - Guanidine derivatives and their manufacturing process : en fr
  • GB558633A - Improved means for securing control knobs to their spindles : en
  • DE744337C - Rim brake, especially for bicycles : de en
  • FR889577A - Slag disintegrator for powdery coal stoves and others : en fr
  • GB558642A - Improvements in hair nets and caps : en
  • US2338941A - Process of refining mineral oils : en
  • US2338826A - Device for testing and adjusting springs : en
  • US2339016A - Auxiliary carriage for turning lathe cutters : en
  • FR889539A - Orthopedic device providing restraint of the head of the clavicle on the acromion : en fr
  • CH230515A - Clockwork time fuse. : de en
  • FR889439A - Spray drying process : en fr
  • FR889582A - Protective device against inadmissible overloads of automatic circuit breakers, in particular resistance circuit breakers : en fr
  • CA417615A - Marking machine : en fr
  • FR889404A - Manufacturing process for products with hair activity : en fr
  • US2338898A - Follower for file drawers : en
  • US2339206A - Loom : en
  • FR889538A - Gas detector tube : en fr
  • US2338892A - Shellac naphthenate operative as plasticizer in varnishes, paints, and lacquers : en
  • DE744221C - Putty for glazing : de en
  • GB558650A - Improvements in or relating to portable motor driven nibblers : en
  • CA417647A - Cylinder honing machine : en fr
  • CH230468A - Method and device for cleaning generator gas, preferably produced from wood or peat, using cooling. : de en
  • FR889549A - Oscillating shear for cutting continuous rolled product : en fr
  • FR889483A - Solid and purified alkyl sulfonates and process for their preparation : en fr
  • DK61795C - Grinding machine of the Rørmøle type with Intermediate bottoms. : da en
  • DE744176C - Circuit fermentation process and device for the production of yeast or for the simultaneous production of yeast and alcohol : de en
  • FR889467A - Nut Locking Device : en fr
  • FR889472A - Device for carrying out the heat treatment of metals successively in different containers : en fr
  • GB558655A - Improvements in and relating to earth moving machines : en
  • FR889443A - Improvements to centrifugal devices with horizontal shaft : en fr
  • CA417698A - Radio landing beam for aircraft : en fr
  • CH230473A - Pressure display device on containers, in particular on pressure cookers. : de en
  • CH230504A - Process for preparing plastic and coating compositions, and product obtained according to this process. : en fr
  • US2339025A - Circuit protective equipment : en
  • FR889422A - Color varnish manufacturing process : en fr
  • FR889547A - Sophisticated beehive frame : en fr
  • GB558555A - An improved manufacture of monocyclic hydrocarbons and their derivatives : en
  • GB558598A - Improvements in or relating to thermoinic valve receiving circuits : en
  • CH230453A - Apparatus for force-fitting a package into a groove. : en fr
  • CH230563A - Drum-shaped fuel injection pump for internal combustion engines. : de en
  • AU117951B2 - Improvements in or relating to washing apparatus : en
  • CH230561A - Inlet control on internal combustion engines. : de en
  • US2338751A - Folding wing on aircraft : en
  • USD137005S - Design for a suit : en
  • US2338852A - Vacuum sealing machine : en
  • AU117939B2 - Improvements in or relating to controls for ships' engines : en
  • CA417633A - Pneumatic submersible container : en fr
  • DE744112C - Device for carrying out the process for the production of artificial threads of any fineness : de en
  • US2339226A - Gun mount : en
  • GB558568A - Improved process for converting straw into straw-semi-stuff for use in the production of paper and the like : en
  • CH230618A - Pedestal bearing motor drive for electrically operated rail vehicles. : de en
  • US2339019A - Blank forging machine : en
  • GB558521A - Means for transporting ammunition drums to a container for loading guns : en
  • DK61800C - Made with Split Tail. : da en
  • GB558560A - Improvements in or relating to the stiffening of shoe parts : en
  • US2338811A - Level indicator : en
  • US2338827A - Method of making reinforced rubber articles : en
  • CH230598A - Containers with a stamping tool that serve as a pack and for storing ointment, as well as for introducing and massaging the ointment into body cavities. : de en
  • DE744388C - Permanent magnet system for multi-phase generators : de en
  • GB558651A - Improvements relating to the setting devices of mechanical clockwork time fuzes for ammunition : en
  • US2339106A - Production of motor fuels : en
  • DE744412C - Device for heating and directional magnetization of permanent magnets : de en
  • GB558583A - Rotary pumps : en
  • AU117932B2 - Improvements in or relating to receptacles : en
  • CA417706A - Shipping container : en fr
  • USD137015S - Embroidered trimming or similar article : en
  • USD137033S - Toy glass nursing bottle for candy pellets : en
  • CH230529A - Container tilting device, in particular for tilting containers in furnaces for melting metals. : de en
  • US2339059A - Acid-curing resin composition : en
  • DE744309C - Process for greasing and impregnating leather : de en
  • FR889535A - Assembly for activating an installation that produces effects on pulses : en fr
  • US2338944A - Alarm clock movement : en
  • US2339147A - Electrical connector plug : en
  • US2339177A - Automatic tuner : en
  • US2338883A - Mine car coupling : en
  • CH230576A - Arrangement for keeping the voltage constant in DC systems. : de en
  • US2338707A - Valve latch device for pneumatic piston pumps, differential type : en
  • US2338910A - Change-over carburetor : en
  • US2339073A - Automatic lock : en
  • FR889425A - Skirting for hermetic closing of doors : en fr
  • USD137043S - Portable concrete mixer : en
  • US2338750A - Gas flow indicator : en
  • US2339033A - Plasticizing rubber : en
  • US2339230A - Suspension of self-baking electrodes : en
  • US2339205A - Steering arrangement for motor road vehicles : en
  • DE743918C - Process for improving the baking quality of flour : de en
  • US2339204A - Web alignment detector : en
  • CH230517A - Indicating device on an internal combustion engine. : de en
  • DE743875C - Hose made from webs of a non-dimensionally stable material for conveying low-tension gaseous fluids : de en
  • DK61802C - Method of Apparatus for the manufacture of reinforced sheets of a mass of fabric. : da en
  • AU117944B2 - Improvements in or relating to optical systems : en
  • AU112285B2 - Purification by precipitation of isoolefin-diolefin copolymers : en
  • DE744107C - Leather fatliquor : de en
  • US2339032A - Forming die : en
  • CH230506A - Business card that is intended to serve as a ticket on public transport. : de en
  • AU117974B2 - An improved apparatus forthe manufacture of chocolate roughs and like confections : en
  • US2338860A - Headstock for lathes : en
  • GB558546A - Improvements in friction clutches : en
  • CA417753A - Metal blank handling apparatus : en fr
  • AU91840A - Purification by precipitation of isoolefin-diolefin copolymers : en
  • CH230629A - Process for the preparation of a stilbene dye. : de en
  • DE744392C - Protection device for electrical devices with liquid insulation, e.g. B. Oil transformers : de en
  • FR889604A - Dosing-mixer with corrector for supplying combustion engines with all gaseous fuels : en fr
  • FR889632A - Renewal process (removal and installation) of railway tracks : en fr
  • AU117976B2 - Improvements relating to portable engine-driven pumps : en
  • DE744400C - Process for processing waste from casein hardened with formaldehyde and from formaldehyde compounds of other proteins : de en
  • DK61792C - Fetal Partitioning Instrument. : da en
  • FR889533A - Process and apparatus for the continuous distillation of tars or oils : en fr
  • FR889540A - Cooling device for gasifier air nozzles : en fr
  • AU25141A - Improvements in detectors for frequency modulation : en
  • CH230476A - Process and device for the production of spinnable cellulose fibers. : de en
  • AU117922B2 - Electrical contact assembly for use in electron discharge devices : en
  • CH230500A - Process for the preparation of di-n-propyl ether-w, w'-dicarboxylic acid. : de en
  • CH230630A - Process for the preparation of a trisazo dye. : de en
  • CH230607A - Radio receiver with a single or multi-wind loop antenna. : de en
  • DE744019C - Process for the production of violet to blue water-soluble basic dyes : de en
  • CH230541A - Process for manufacturing a transparent sheet and transparent sheet obtained by this process. : en fr
  • AU756842A - Converter circuits : en
  • US2339022A - Regulator for brake rigging : en
  • USD137031S - Scheidlinger jacket or similar article : en
  • USRE22416E - Fatigue-testing machine : en
  • AU478842A - Ignition timing interrupter and regulator for internal combustion engines : en
  • DE744110C - Device for carrying out the process for the production of artificial threads of any fineness : de en
  • DE744124C - Transport device for surface treatment, especially for galvanic and electrochemical purposes : de en
  • DE744268C - Switching system for electric vehicles : de en
  • GB558605A - Method of preparing stencils : en
  • CA417677A - Metal heating method : en fr
  • CH230509A - Viewer for motion pictures. : de en
  • GR10210B - RESIN SOAPS IN SOLID FORM. : el en
  • CH230464A - Process for the production of vacuum-tight metal layers on unglazed ceramic. : de en
  • AU117952B2 - Improved apparatus for manufacturing briquettes andthe like : en
  • CA417712A - Kettle body : en fr
  • CH230538A - Device for driving tools going back and forth. : de en
  • FR889429A - Detachable leaf block or peel : en fr
  • CA417621A - Fire extinguisher : en fr
  • US2339039A - Drop frame body hoist : en
  • USD136998S - Design for a brooch pin : en
  • US2338713A - Half-cell for making potential measurements in substances : en
  • US2339152A - Hydrostatical weighing apparatus : en
  • CA417626A - Vehicle body : en fr
  • CA417667A - Spinning machine pressure apparatus : en fr
  • DE744243C - Device for the verification of the quality of the mass balance of balanced circulating bodies : de en
  • FR889571A - Process for reducing the efficiency losses of the electric current and the energy consumption in the electrolysis of molten baths : en fr
  • AU772842A - Improvements relating to power driven cranes : en
  • DE744170C - Floating and sinking vessels for separating goods : de en
  • US2338990A - Method of producing tools : en
  • US2338839A - Method of manufacturing mineral wool products : en
  • US2338801A - Conduit : en
  • US2338968A - Display stand : en
  • US2339211A - Method and apparatus for making tubular articles : en
  • FR889413A - Gas washing apparatus : en fr
  • CH230497A - Process for the preparation of a new oxidation product of the dimethyl-cyclopentanopolyhydrophenanthrene series. : de en
  • US2339165A - Loop-taker mechanism for sewing machines : en
  • FR889522A - Wetting products and their preparation process : en fr
  • US2338855A - Filament connection for electric lamps : en
  • US2338923A - Aircraft control : en
  • US2339157A - Method of hardening contiguous areas : en
  • US2339170A - Automobile door lock control device : en
  • DE743317C - Process for finishing films or the like made from cellulose triesters : de en
  • US2339180A - Combined container and display stand for lollipops : en
  • DE744108C - Device for cutting an endless artificial thread bundle into stacks : de en
  • CA417727A - Liquid countercurrent contact apparatus : en fr
  • US2338764A - Sole-laying machine : en
  • CA417696A - Hydrogen peroxide : en fr
  • DE744316C - Process for the production of compacts from peat : de en
  • US2339221A - Method of making double walled vessels : en
  • US2338699A - Airplane landing gear : en
  • US2338727A - Cabinet construction : en
  • US2339031A - Micrometer : en
  • FR889603A - Process and installation for the preparation of granular materials, in particular cereal grains, for milling : en fr
  • US2339161A - Cone bit construction : en
  • CA417758A - Hardenable steel treatment by heat : en fr
  • US2338760A - Pressure regulator : en
  • GB558538A - Improvements in or relating to soles for footwear : en
  • US2338874A - Change-over switch : en
  • US2338730A - Velocipede : en
  • US2339058A - Coating composition comprising partially polymerized allyl esters containing polymerization inhibitor : en
  • CH230558A - Continuous speed change. : en fr
  • FR889591A - Mold making process : en fr
  • GB558648A - Improvements in or relating to electrical transformers : en
  • FR889519A - Solid rubber tire with tread surface lining : en fr
  • GB558638A - Windshield cleaner control : en
  • GB558669A - Improvements in or relating to types for typographical printing : en
  • FR889589A - Piston machine such as internal combustion engine : en fr
  • DE744306C - Process for the production of unfired, moisture-proof writing and drawing leads : de en
  • FR889457A - Plate changer for vacuum imaging of corpuscular ray machines : en fr
  • FR889608A - Process for preparing a dessert and resulting new product : en fr
  • FR889419A - Light metal piston for internal combustion engines : en fr
  • DE744303C - Process for the preparation of chromium-containing o-oxyazo dyes : de en
  • GB558619A - Improvements in or relating to instruments or devices for use in navigation : en
  • US2339060A - Diazine derivatives : en
  • DE744378C - Piezoelectric element for acoustic purposes consisting of two crystal plates combined to form a double plate : de en
  • FR889417A - New tobacco pot system : en fr
  • FR889525A - Electric lamp socket : en fr
  • GB558547A - Improvements in buttons and the sewing on of the same : en
  • GB558645A - Electric measuring, indicating, recording or controlling apparatus : en
  • FR889613A - Glove manufacturing process and resulting industrial product : en fr
  • CH230569A - Regenerator. : de en fr
  • DE744145C - Multiple vacuum switches or relays : de en
  • DE743850C - Process for the preparation of disazo dyes : de en
  • USD137011S - Embroidered trimming or similar article : en
  • DE744360C - Process for the outgassing of hydrogen chloride gas from acidic wood sugar solutions : de en
  • CH230585A - Working stroke magnet. : de en
  • CA417627A - Laminated wood product : en fr
  • CH230619A - Device on internal combustion engines used to drive aircraft to utilize the energy of the exhaust gases from the latter. : de en
  • CA417648A - Cylinder honing machine : en fr
  • CA417659A - Vinyl ester preparation : en fr
  • US2338929A - Starting device for internal combustion engines : en
  • US2338805A - Production of organic compounds : en
  • CA417732A - Electric welding system : en fr
  • CH230492A - Process for the preservation and briquetting of powdery substances. : de en
  • CH230579A - Device for reducing the stress on windings consisting of several coils in the event of shock wave-like overvoltages. : de en
  • DE744391C - Low power single phase capacitor motor : de en
  • US2339148A - Bone conduction receiver : en
  • FR889621A - Heat recovery device for furnaces and other applications : en fr
  • CH230519A - Electrical measuring instrument. : en fr
  • FR889601A - Turbine blade : en fr
  • US2339191A - Electric multistep controller : en
  • AU720242A - An improved stabilizer for sound films : en
  • NL55821C - : en
  • DE744287C - Procedure for balancing two-stage or multi-stage direct current amplifiers : de en
  • CH230505A - Process for the chlorination of polyvinyl acetate. : de en
  • DE744460C - Method for producing quartz threads : de en
  • SE109512C1 - : en
  • FR889636A - A method of manufacturing a wrapping paper that protects against the action of solar rays and ensures impermeability to water and to fatty substances : en fr
  • DE744278C - Device for splitting ammonia : de en
  • GB558635A - Improvements in knitting machines : en
  • US2338819A - Separable track for self-laying track type vehicles : en
  • DE738861C - Process for the production of aromatic copper mercapto compounds : de en
  • FR889578A - Reinforced concrete sleeper : en fr
  • AU117905B2 - Ignition timing interrupter and regulator for internal combustion engines : en
  • US2339200A - Process for preventing tarnishing of metals : en
  • US2338947A - Fountain pen : en
  • CA417622A - Floating wall : en fr
  • CA417747A - Paraffin hydrocarbon processing : en fr
  • AU117967B2 - Corset closure : en
  • US2339102A - Transmission and control mechanism : en
  • US2339117A - Control : en
  • US2339214A - Safety control for punch presses and the like : en
  • CA417680A - Volatile liquid pumping apparatus : en fr
  • CH230572A - Arrangement for speed compounding of a three-phase commutator cascade as the drive machine of an asynchronous frequency generator. : de en
  • US2338800A - Locking guide on syringe needles : en
  • US2338806A - Cast resin mold : en
  • US2338824A - Automotive vehicle license tag : en
  • CH230540A - Machine for cutting long pieces of wood into short sections. : en fr
  • CH230552A - Tree and process for the manufacture of this tree. : en fr
  • DE744149C - Process for the production of mass cores for magnetic cores, high frequency cores u. Like. Made of magnetizable metal powder : de en
  • DE744259C - Process for the production of a food by digesting legumes and the like. Like. With the help of plant proteolytic enzymes : de en
  • AU769142A - Surgical stitching instrument : en
  • CH230522A - Gas detector. : de en
  • CH230614A - Multi-compartment cassette. : en it
  • DE744146C - Arrangement for suppressing the harmonics of ferrous three-phase transformers or three-phase choke coils : de en
  • FR889459A - Materials for relay contacts or low current regulators, especially telegraphic : en fr
  • US2338871A - Hat sweatband : en
  • US2339127A - Temperature measuring instrument : en
  • US2339046A - N,n-(alpha-beta-alkylene)-acet-amides and a process of preparing them : en
  • USD137016S - Embroidered trimming or similar article : en
  • US2338794A - Conversion of hydrocarbon oils : en
  • US2339234A - Directional antenna system : en
  • AU606542A - Improvements in or relating to collecting mechanism : en
  • CA417646A - Liquid cooling system for engines : en fr
  • CH230490A - Device for conveying and depositing pieces of dough. : de en
  • GB558637A - Improvements in or relating to hydraulic pumps : en
  • CA417735A - Packing case : en fr
  • DE744425C - Device for regulating the mixture formation in internal combustion engines : de en
  • FR889437A - Process for the preparation of alkali metal phenolates of para and meta-hydroxy-benzoic ethers-salts having three or more carbon atoms in the alkyl radical of ether-salt : en fr
  • DE744329C - Drilling machine with a headstock that can be adjusted by a motor drive and locked in its respective position : de en
  • AU117933B2 - A process of treating wool, wool goods andother fibrous materials : en
  • AU117962B2 - Process for ornamenting vases andother ornaments : en
  • DE744274C - Detergents, cleaning agents and softeners : de en
  • CA417634A - Goggles : en fr
  • CA417694A - Enclosed circuit breaker mechanism : en fr
  • BE453472A - : fr
  • US2338991A - Magnetic well logging : en
  • US2339164A - Refining vegetable phosphatides : en
  • US2339149A - Cyclic circuit controller : en
  • CH230628A - Process for the preparation of a stilbene dye. : de en
  • AU646842A - Improvements in or relating to optical systems : en
  • CH230559A - Mechanism lubricating device. : en fr
  • CA417710A - Envelope handling device : en fr
  • CH230568A - Heat exchanger. : en fr
  • US2339068A - Paper sack : en
  • USD137029S - Picture frame or similar article : en
  • AU824343A - Process for ornamenting vases andother ornaments : en
  • US2339153A - Warp knitting machine : en
  • CH230463A - Means to be applied to concrete formwork to facilitate stripping. : de en
  • US2338712A - Boiler-absorber assembly : en
  • AU117919B2 - Frequency and phase modulation receivers : en
  • US2338793A - Testing apparatus : en
  • US2339067A - Coil unit : en
  • USD137035S - Tool for installing conduit clips : en
  • CH230467A - Gas generator with additional steam device. : de en
  • CA417750A - Tipped tool : en fr
  • DE744168C - Method of processing cement : de en
  • DE744297C - Lattice-shaped impact electrode for secondary electron multiplier : de en
  • US2339168A - Bottle carrier : en
  • DE744352C - Press for deforming and compressing materials : de en
  • IE16569L - Ranges: boiler furnaces : en
  • US2338816A - Musical instruction device : en
  • CA417630A - Hair dressing apparatus : en fr
  • CH230589A - Table lamp. : de en
  • US2338857A - Railway car truck : en
  • US2339213A - Color development process using aromatic hydrazines : en
  • US2338864A - Vulcanization of rubber : en
  • US2338880A - Magazine safety razor : en
  • CA417756A - Metal sheet packaging method : en fr
  • USD137007S - Embroidered trimming or similar article : en
  • FR889618A - Shaver : en fr
  • CH230577A - Electrical switchgear. : de en
  • AU117920B2 - Improvements in or relating to sliding clasp fasteners : en
  • CA417744A - Shoe upper shaping machine : en fr
  • CH230574A - Junction box for surface and flush mounting. : de en
  • US2339035A - Apparatus and method for vacuumizing containers : en
  • AU117972B2 - Improvements in and relating to blower heads for the separation of card or paper stock : en
  • US2339217A - Water cooled hopper : en
  • CH230542A - Process for processing coil springs on precise inner or Outer diameter. : de en
  • GB558661A - Improvements relating to foundry gantries, overhead runways and the like : en
  • US2338784A - Work supporting tray for heat treating furnaces : en
  • DE743034C - Mouth closers to prevent mouth breathing while sleeping : de en
  • DE744210C - Pendulum multiplier with two opposing impact electrodes : de en
  • DE744276C - Method and device for multiple use of the cutting pads in three-knife machines for trimming stacks of paper o. : de en
  • ES9289U - Tonel for powdered, pasty or similar substances, which facilitates their filling "without deterioration", with removable lid that facilitates the closure of the product and that when you want to proceed to its emptying is done in a way that does not harm it. (Machine-translation by Google Translate, not legally binding) : en es
  • GB558581A - Improvement in art of mounting piezo-electric crystals : en
  • DE744347C - Skis, in particular made of plastics : de en
  • GB558676A - Improvements in or relating to hand operated agricultural implements : en
  • FR889645A - Tool for mounting cycle brakes : en fr
  • CA417645A - Poppet valve : en fr
  • US2338820A - Concrete mixer : en
  • CA417688A - Tire building apparatus : en fr
  • US2338753A - Implement for removing selfsealing jar covers : en
  • US2338836A - Grooming kit : en
  • US2338894A - Highway marking system and device for applying same : en
  • US2338945A - Knitted fabric : en
  • DE744201C - Electromagnetic clutch : de en
  • AU117950B2 - Frequency modulation receiver : en
  • CH230582A - Contact converter with lifting contacts. : de en
  • CH230641A - Device for lowering the midpoint surge voltage of single and multi-phase transformers. : de en
  • CA417669A - Engine pressure lubrication system : en fr
  • US2338993A - Refrigerator car construction : en
  • DE744358C - Process for felling and separating the colloids in the effluent from diffusion in beet sugar production : de en
  • AU575842A - Improvements relating to telephone systems : en
  • CH230560A - Method and installation for obtaining high pressure compressed air at high altitudes. : en fr
  • FR889580A - purification of prehydrolysis products of raw materials containing cellulose for the cultivation of yeast : en fr
  • CH230534A - Spindle bearings on machine tools. : de en
  • CH230565A - Fuel pump. : de en
  • FR889449A - Product to protect metals during work or other applications : en fr
  • GB558594A - Improvements in or relating to joints for concrete rafts of roads, runways and foundations : en
  • DE744114C - Process for the production of powders containing sulfur : de en
  • AU117907B2 - Improvements in or relating togas blast electric circuit breakers : en
  • CH230594A - Process for the preparation of m-oxyphenylethanolamine. : de en
  • CA417624A - Barium sulphate decomposition : en fr
  • AU773442A - Improvements in or relating to washing apparatus : en
  • GB558550A - A process for the permanent marking of mica : en
  • CA417661A - Alumina insulating material : en fr
  • CH230459A - Water boiler with fuel container for burning solid fuels in finely divided state. : de en
  • CH230605A - Circuit arrangement in telecommunication systems with at least partial voter operation. : de en
  • CH230483A - Apron with strap. : de en
  • CA417686A - One-way disc harrow : en fr
  • US2339130A - Threaded attachment : en
  • DE744348C - Ski binding : de en
  • CA417617A - Internal combustion engine : en fr
  • DE744258C - Process for the production of animal feed or additives to dietetic nutrients : de en
  • US2338732A - System for measuring force and acceleration : en
  • CA417757A - Motor control apparatus : en fr
  • US2339197A - Cooking range : en
  • FR889450A - Perfumery product : en fr
  • GB558647A - Electric measuring, indicating, recording or controlling apparatus : en
  • DE744121C - Process for improving the properties of pure aluminum : de en
  • DE744433C - Aircraft landing facility : de en
  • FR889496A - : fr
  • DE744209C - Arrangement for suppressing undesired feedback in secondary electron multipliers working as high-frequency amplifiers : de en
  • DE743518C - Starting device for flying piston internal combustion engines, in particular flying piston propellant gas generators : de en
  • DE744228C - Device for air freshening : de en
  • FR889431A - Device for closing electrical switches : en fr
  • FR889463A - Front part of automobile body : en fr
  • DE744076C - Process for the catalytic conversion of gas mixtures containing carbon dioxide and hydrogen into hydrocarbons : de en
  • DE744307C - Process for cleaning and preserving stone walls, stone monuments, masonry and lime paints : de en
  • FR889513A - Sophisticated envelope letter : en fr
  • DE744234C - Lid for ceramic jugs with an open mouth : de en
  • US2339189A - Protective cover applicable to the rims of metal shrapnel helmets and the like : en
  • CH230567A - Cylinder head on, in particular, compressed air-cooled internal combustion engines. : de en
  • FR889441A - Electric control for carburettors : en fr
  • GB558595A - Improvements in or relating to motor-driven centrifugal pumps for liquid : en
  • US2338952A - Truck : en
  • US2339185A - Combustion turbine : en
  • FR889611A - Process for the rapid and economical carbonization of wood and other plants, previously treated, for the extraction of their by-products : en fr
  • US2339051A - Discharge lamp apparatus : en
  • CH230489A - Electric bread toaster. : de en
  • CA417685A - Fire detecting device : en fr
  • US2339017A - Air impeller : en
  • AU685342A - Improvements in apparatus for softening or other treatment of water : en
  • CA417662A - Container filling device : en fr
  • CH230479A - Spool holding device on the winding machine. : de en
  • CA417618A - Stitch-down shoe manufacture : en fr
  • US2338780A - Rear-vision mirror : en
  • US2338985A - Method of making sign panels : en
  • US2339005A - Fluid supply control : en
  • AU773342A - Improvements in or relating to sliding clasp fasteners : en
  • PL32530B1 - Daimler-Benz flktiengesellschaft, Stuttgart Injection nozzle : en pl
  • US2339041A - Self-set magnesium carbonate composition and method for preparing the same : en
  • CH230524A - Piezoelectric conversion device. : de en
  • CH230580A - Device with at least one barrier electrode system. : de en
  • US2339080A - Safety hat : en
  • DE744413C - Printing telegraph receiver in which the printing process and the punching of strips are controlled by the same code disks : de en
  • US2338741A - Substituted styrene-polybutadiene copolymer : en
  • US2338970A - Fluorescent tube socket : en
  • AU770842A - Corset closure : en
  • AU781842A - Starting gates : en
  • US2339018A - Drawbar for harrows : en
  • US2339114A - Method op forming and filling capsules : en
  • DE744344C - Device for remote transmission of pointer positions : de en
  • CH230457A - Hot water boiler with forced circulation and forced distribution of the heat transfer medium. : de en
  • US2338790A - Table leg mounting : en
  • US2338893A - Higher molecular substance from allyl chloride and its homologues : en
  • US2339036A - Spray device : en
  • FR889537A - Table football game launch figure : en fr
  • DE744326C - Agitator for upright cylindrical liquid containers : de en
  • GB558596A - Improvements in or relating to apparatus for casting metal ingots : en
  • GB558634A - Improvements in or relating to electrode soldering irons : en
  • CH230620A - Resistant preparation for dyeing and printing textile fabrics. : de en
  • DE744165C - Aircraft fuselage with pressurized cabin : de en
  • FR889416A - Device for the manufacture of hollow bodies, in particular heads or limbs of dolls, made of materials molded from artificial resin : en fr
  • DE744451C - Differential protection device : de en
  • DK61789C - Discharge pipe in full glass design and associated socket. : da en
  • FR889418A - Device for roughly graduating the excitation of DC machines working in a ward-leonard connection : en fr
  • GB558602A - Control device for gravity separation : en
  • FR889562A - Manufacturing process of dental prosthesis parts : en fr
  • FR889617A - Improvements to compressors for supplying gasoline explosion engines : en fr
  • DE744407C - Ski pole : de en
  • GB558587A - Improvements in or relating to tool holders for machine tools and the like : en
  • CH230507A - Device for storing and conveying index cards and similar objects arranged in upright carriers. : de en
  • US2339062A - Phonograph : en
  • US2339223A - Method of case hardening : en
  • DE744144C - Device for reducing the flashover distance at which pre-discharges occur when switches are switched on : de en
  • FR889528A - Printing process on fabrics : en fr
  • FR889615A - Bicycle brake : en fr
  • FR889574A - Process for the manufacture of a washing, cleaning and disinfecting product, more especially intended to be incorporated into soaps low in or free from fat : en fr
  • FR889433A - Process for manufacturing agglomerated magnetic cores having threaded parts : en fr
  • FR889466A - Process and machinery for the continuous adjustment of cold-rolled sheets : en fr
  • GB558614A - Electric measuring, indicating, recording or controlling apparatus : en
  • FR889428A - Pneumatic indicator : en fr
  • GB558673A - An improved cushion, shock absorber, vibration damper or the like : en
  • DE744229C - Ingot puller for continuous casting machines : de en
  • AU117966B2 - Improvements in and relating to starting circuits for electric discharge devices : en
  • CA417654A - Electron discharge device stabilizer system : en fr
  • CA417742A - Dust separating system : en fr
  • DE698935C - Switching arrangement for generating the half-waves for sound recordings in half-wave writing : de en
  • DE744260C - Process for the freshness of fresh pomace for the production of pectin : de en
  • FR889426A - Standing and visible card file : en fr
  • CA417664A - Moulding resin : en fr
  • CH230499A - Process for the purification of paraffin sulfonates. : de en
  • DK61786C - Procedure for Deleting Textile Yarns of Polyamides. : da en
  • CA417665A - Electrical socket and installation : en fr
  • DE744212C - X-ray device with oil-filled pipe protection housing : de en
  • CH230553A - Roller basket for roller bearings. : de en
  • US2338958A - Clarification of liquids : en
  • CH230615A - Snow runner for strollers. : de en
  • US2338788A - Whipstock : en
  • DE744237C - Full frame saw : de en
  • AU117931B2 - Improvements in or relating to collecting mechanism : en
  • AU646542A - Improvements in or relating to attemperators : en
  • DE744247C - Insecticides : de en
  • US2338710A - Method of treating fibrous web material : en
  • US2339109A - Ice refrigeration and cube forming : en
  • US2339119A - Closure reforming method and apparatus : en
  • CA417713A - Infusion package manufacture : en fr
  • USD137008S - Embroidered trimming or similar article : en
  • US2338904A - Apparatus for screening paper pulp : en
  • CH230642A - Process for the preparation of a basic amide. : de en
  • US2339144A - Cutting tool : en
  • US2338740A - Quick release magazine catch : en
  • CA417755A - Clamp : en fr
  • CH230523A - A gas detection tube made of glass. : de en
  • DE744194C - Arrangement of the braking elements for rail brakes, especially for conveyor wagons : de en
  • US2339061A - Reaction product of aldehydes and poly-(diazinyl hydrazino) derivatives of polycarboxylic acids : en
  • CA417714A - Grinding wheel : en fr
  • CA417672A - Refractory zirconia-alumina casting : en fr
  • US2338895A - Means for preventing wobbling of vehicles provided with pneumatic shock absorbers : en
  • US2338931A - Refrigerating apparatus : en
  • CH230496A - Process for the production of an emulsifier for technical and pharmaceutical purposes. : de en
  • CH230525A - Aiming device for shooter. : en fr
  • FR889460A - Device for integration or determination of averages : en fr
  • FR889600A - Articulated wooden soles : en fr
  • CA417636A - Unit sheet binding machine : en fr
  • CH230475A - Can opener attached to the bottom of the can on cans with a lid. : de en
  • DE728351C - Cutting device for lasting machines : de en
  • DE744289C - Rotary switch : de en
  • US2339004A - Optical measuring instrument : en
  • US2339086A - Booster and economizing system for air compressors : en
  • DE744227C - Insert for dropper bottles : de en
  • US2338868A - Gauging apparatus : en
  • GB558542A - Improvements in or relating to fluid-pressure-regulating-reducing-valves : en
  • CA417728A - Acidic gas separation from fluids : en fr
  • CH230501A - Process for the preparation of m-oxyphenyl-w-aminoacetophenone. : de en
  • CA417651A - Brake mechanism : en fr
  • AU117912B2 - Diversity receiving system : en
  • AU780942A - Method forthe purification of cyclic organic compounds : en
  • CH230455A - Stove top. : de en
  • US2338884A - Apparatus for making slide fasteners : en
  • US2338700A - Variable-speed shaving implement : en
  • US2338714A - Vending machine : en
  • DE744238C - Device for raising and lowering pivotably suspended brush rollers in powder machines for rubber plates : de en
  • GB558562A - Improvements in and relating to pistons for internal combustion engines : en
  • US2338853A - Remote control system : en
  • US2339015A - Fluid drive : en
  • US2339145A - Embossing method and means : en
  • CA417689A - Riveting apparatus : en fr
  • US2339009A - Film reel : en
  • CH230543A - Machine for grinding hard metal polishing discs. : de en
  • US2338946A - Device for interrupting overloads : en
  • CH230494A - Process for the preparation of a substance suitable for obtaining hot infusions. : en it
  • DE744018C - Process for the preparation of disazo dyes : de en
  • FR889506A - cast iron boiler element, in particular for central heating boilers : en fr
  • US2339215A - Water sealed hopper : en
  • FR889593A - Four-pole magnetic system : en fr
  • DE744159C - Device for the production of metallic coatings on metal bands : de en
  • DE744454C - Process for the production of metal discharge vessels, in which the metal base carrying the electrode holder is screwed onto the bulb with the aid of a screw connection : de en
  • DE744104C - Small electric refrigerator motor : de en
  • US2338982A - Self-contained die set : en
  • FR889456A - Use of iron-aluminum alloys with 15-25 p. 100 aluminum : en fr
  • FR889536A - Measuring resistance with lever contactor : en fr
  • GB558535A - Improvements in screw-cutting lathes : en
  • US2339218A - Substituted pimelic acids : en
  • DE744419C - Procedure for testing the knock resistance of fuels : de en
  • DE744116C - Casting mold for the production of clad blocks and plates : de en
  • FR889423A - Pliers for a slicing machine : en fr
  • FR889424A - Die for bending pipes in presses : en fr
  • FR889411A - Contact device for mechanical or static current converters : en fr
  • GB558646A - Electric measuring, indicating, recording or controlling apparatus : en
  • FR889445A - Film store for cinematographic equipment : en fr
  • CA417616A - Marking method : en fr
  • CA417674A - Tempered hollow glass article : en fr
  • CA417729A - Dynamometer : en fr
  • FR889455A - Manufacturing process of coiled capacitors of constant capacity : en fr
  • US2338842A - Phonograph recording : en
  • FR889495A - : fr
  • FR889530A - Method for setting rivets : en fr
  • FR889559A - Device for increasing the sensitivity of bridge assemblies : en fr
  • DE744211C - When making X-ray recordings, a device provided with a measuring capacitor for switching an amount of electricity that can be determined in advance is used : de en
  • GB558540A - Improvements relating to oil burning heating stoves : en
  • FR889503A - : fr
  • DE743673C - Process for the production of azo dyes : de en
  • US2338798A - Terpene compound : en
  • US2339173A - Bone conduction receiver : en
  • USD137027S - Design fob a badge ob similar abticle : en
  • US2338791A - Composition of matter : en
  • GB558672A - Improved method and apparatus for moulding powdered material : en
  • FR889566A - Improved press corridor for metal turnings and other waste, fodder, etc. : en fr
  • US2338762A - Apparatus for firing powder : en
  • FR889454A - Method of isolating magnetic particles for cores in compressed iron powder for the high frequency technique : en fr
  • CA417749A - Paraffin hydrocarbon processing : en fr
  • US2338851A - Glass-door lock : en
  • USD137018S - Embroidered trimming or similar article : en
  • FR889569A - Process for purifying gas from automobile generator : en fr
  • GB558593A - Improvements in machines for folding, cutting and packaging articles such as stamp hinges : en
  • DE744342C - Protective sleeve for the nib on the fountain pen when filling : de en
  • US2338739A - Steam iron : en
  • US2339108A - Manufacture of hydrocarbon oils : en
  • DE740757C - Electric salt bath oven : de en
  • DK61793C - Door or Panel. : da en
  • CH230581A - A timing relay with parallel capacitor to increase the fall time and a switch for the relay actuation containing circuitry. : de en
  • USD137012S - Design for an embroidered trimming or similar article : en
  • DE744109C - Device for conveying threads, in particular artificial silk threads : de en
  • USD136999S - Design foe a brooch pin : en
  • CA417690A - Wave band pass selector : en fr
  • DE744255C - Process for the production of zinc layers deposited on carriers : de en
  • AU786842A - Improvements in, or relating to, hoists, cranes, lifts andthe like lifting apparatus : en
  • FR889567A - Dividing wall for the exit of the reserve chamber of the hoppers feeding the automatic scales : en fr
  • DE744239C - Production of iron-rich zinc alloys : de en
  • US2338840A - Method and apparatus for seasoning electric lamps or similar lamps : en
  • CH230612A - Multi-stage amplifier with negative feedback. : de en
  • US2338872A - Electrical system for firing guns : en
  • US2339070A - Sheet decurling apparatus : en
  • AU117943B2 - Improvements in or relating to attemperators : en
  • AU697042A - Improvements in or relating to sheetmetal, particularly for use as container stock : en
  • CH230462A - Ceramic hard tool. : de en
  • FR889646A - Crankshaft made up of standardized elements : en fr
  • US2338795A - Wire plating apparatus : en
  • US2338834A - Recovery of cyanoacetic acid from aqueous inorganic salt solutions thereof : en
  • US2338815A - Vulcanization accelerator : en
  • US2338861A - Method and apparatus for synchronizing magnetos : en
  • CH230609A - Circuit for influencing electrical vibrations by means of a piezoelectric element. : de en
  • US2339187A - Towel or cloth holder : en
  • US2338725A - Valve starting shock wheel : en
  • US2339081A - Adjustable support : en
  • DE744195C - Contact wire suspension : de en
  • AU117970B2 - Improved apparatus for retorting shale, coal andthe like : en
  • DE744166C - Car body for motor vehicles : de en
  • DE744397C - Process for the production of skin blooms ready for tanning : de en
  • GB558641A - Improvements in or relating to strip material adapted for application to shoe insoles to shoe insoles to form sewing ribs or in or relating to machines suitable for use in applying such strip material : en
  • DE744384C - Electric switch with toggle mechanism : de en
  • CH230584A - Periodically operated electrical contact device for converters and commutator motors. : de en
  • GB558531A - Improvements in the construction and method of manufacture of solid rubber wheels and rollers : en
  • GB558570A - Improvements in fuzes, particularly for bombs, depth charges and the like : en
  • GB558654A - Improvements in and relating to the production of modified phenol-aldehyde resinous condensates and compositions comprising said condensates : en
  • US2338778A - Ship ladder : en
  • US2339142A - Carpet underlay or the like and method of making same : en
  • US2339093A - Snap clamp : en
  • US2339029A - Thermosensitive relay : en
  • CA417644A - Cyanomethyl chloroformate : en fr
  • CA417649A - Cylinder honing machine : en fr
  • CA417708A - Fabric web handling apparatus : en fr
  • CH230511A - Lead pencil sharpener. : de en
  • CH230471A - Fastening device for household machines. : de en
  • USD137025S - Design fob a pressing device : en
  • AU117956B2 - Improvements in or relating tothe production of drills : en
  • AU780142A - Improvements in or relating to permanent magnet electric motors : en
  • CA417718A - Filing folder : en fr
  • US2338908A - Anthraquinone compounds and material colored therewith : en
  • US2338856A - Car truck : en
  • US2339053A - Spectrophotometer : en
  • USD137023S - Design for a food chopper : en
  • CA417707A - Adhesive sheet : en fr
  • CH230571A - Nested, three-legged iron body for transformers. : de en
  • CH230586A - Procedure and arrangement for operating inverters. : de en
  • US2338742A - Substituted styrene-polyisoprene copolymer : en
  • US2338738A - Toy : en
  • US2338772A - Stabilization of terpene products : en
  • US2338736A - Riveting : en
  • GB558519A - Means for loading a cannon or the like : en
  • US2338835A - Lamp base and socket : en
  • US2338974A - Master cylinder unit : en
  • CH230613A - Arrangement for displaying a television picture. : de en
  • CA417730A - Traffic counting apparatus : en fr
  • FR889521A - Surface-active substances and their preparation process : en fr
  • DE744105C - Process for increasing the secondary emission yield of secondary emission-capable layers : de en
  • FR889606A - New process for obtaining purified edible oil and purified industrial oil extracted from grape seeds : en fr
  • US2339095A - Truss structure : en
  • AU117942B2 - Improvements in or relating to hydraulic remote control apparatus : en
  • AU117969B2 - Chromate recovery : en
  • CH230481A - Elastic band on items of clothing. : de en
  • CH230570A - Unipolar machine. : de en
  • US2339143A - Machine key extractor : en
  • US2338744A - Injection nozzle for internal combustion engines : en
  • GB558572A - Improvements in or relating to typographical composing machines : en
  • US2338831A - Dragline bucket : en
  • AU606642A - Improvements in or relating to receptacles : en
  • DE744106C - Method for achieving high depths of focus in electron-optical imaging in high-vacuum cathode ray tubes with an inclined screen, in particular in the case of projection tubes : de en
  • FR889534A - Attachment or strut mount connection for aircraft propulsion mechanisms : en fr
  • CH230474A - Boot puller. : de en
  • US2338818A - Sprocket wheel assembly : en
  • US2338897A - Means for reducing the slanting to a side of pneumatically supported vehicles : en
  • US2339208A - Flexible abrasive product : en
  • AU648242A - Improvements in or relating to pulverised fuel burners : en
  • US2338759A - Choke valve : en
  • US2338765A - Centering device for drills : en
  • US2338823A - Cutout construction : en
  • US2339220A - Building construction : en
  • CH230452A - Process for the production of insulating layers. : de en
  • FR889532A - Ampoule for diluted blood or other applications : en fr
  • CH230488A - Process and device for cleaning gases. : de en
  • DE743746C - Production of ion exchangers from lignite : de en
  • US2339008A - Coating machine : en
  • AU117935B2 - Improvement in acoustic device : en
  • FR889438A - structural element for forming a tensile-resistant wall : en fr
  • FR889598A - Sealing two-stage check valve for high pressure fluids : en fr
  • US2338959A - Internal combustion engine : en
  • DE744459C - Method and coating for making casting molds : de en
  • FR889560A - High-performance aeromotor or aerodynamic wing for all ships : en fr
  • FR889440A - Application of chrome-cobalt alloys containing nickel and suitable for cold deformation in the manufacture of parts intended to be placed inside the body of humans or animals : en fr
  • US2339001A - Molding machine : en
  • US2338954A - Shaking conveyer : en
  • DE743582C - Conveyor device for sheets in continuous ovens : de en
  • GB558523A - Wringer spring and adjusting screw assembly : en
  • GB558554A - Process of preparing a tetrahydrodibenzopyran : en
  • US2339012A - Cellulose solution and a process of preparing such solution : en
  • GB558656A - Improvements in and relating to resinous compositions : en
  • JP338613Z1 - : ja
  • GB558644A - Improvements in or relating to instruments or devices for use in navigation : en
  • GR10208B - A CHEMICAL THAT IS APPLIED ON THE GLASSES, PREVENTS THEIR BLINDING AND THE DEPOSITION OF RAIN DROPS ON THEM. : el en
  • DE744065C - Clock system : de en
  • GB558620A - An improved injection-moulding machine for plastic substances : en
  • US2338770A - Method and apparatus for treating strip plastic material : en
  • FR889494A - Switch for the electric remote control of repeating weapons, in particular on board airplanes : en fr
  • US2338737A - Machine tool : en
  • GB558532A - Improvements in and relating to electric lamps : en
  • GB558649A - Apparatus for the manufacture of articles by a dipping process : en
  • FR889507A - Sole for shoes and shoes comprising such a sole : en fr
  • GB558549A - Improvements in or relating to mechanism for generating curved surfaces, particularlyadapted for lens grinding : en
  • DE744252C - Light metal pistons for internal combustion engines : de en
  • US2338925A - Anchor for tank cars : en
  • GB558609A - Improved means for fastening paper sheets together : en
  • GR10211B - MILK TURKEY OR FOAM CREAM. : el en
  • DE744409C - Wedge gear for raising and lowering the top roll of rolling mills : de en
  • DE744293C - Countershaft drive regulated to constant speed and driven by an auxiliary motor, the mean speed of which corresponds approximately to the set speed to be kept constant : de en
  • DE744453C - Emission electrode with an active layer made of strongly electron-emitting substances with a support wire made of a nickel alloy : de en
  • US2338745A - Dyeing of hair : en
  • US2338976A - Collapsible boat : en
  • US2338709A - Azo compounds and material colored therewith : en
  • US2339224A - Carton : en
  • US2338729A - Drawing machine : en
  • US2338966A - Elastic connector : en
  • FR889412A - Process for the preparation of endless shaped products using a hollow rotating body : en fr
  • FR889498A - : fr
  • US2338870A - Partition construction : en
  • FR889402A - : fr
  • DE744119C - Plastic masses made from super polyamides : de en
  • GB558667A - Improvements in preparing photographic emulsions for transport : en
  • US2338900A - Cup or container : en
  • GB558524A - Improvements relating to the handling or conveying of materials : en
  • FR889475A - Cellulosic glass sheet resistant to atmospheric agents and process used for its manufacture : en fr
  • US2339110A - Sewer trap : en
  • FR889616A - Improvement in wooden box springs : en fr
  • FR889435A - Process for the saponification of organic sulfochlorides and purification of the products of saponification : en fr
  • FR889648A - Improvement in jet engines : en fr
  • AU117930B2 - Method forthe purification of cyclic organic compounds : en
  • US2338911A - Machine for applying aplastic bindings and the like : en
  • FR889527A - Plant for the continuous treatment of flax or other fibrous plants : en fr
  • FR889622A - Curved wood heel counter : en fr
  • US2339201A - Timing controller : en
  • GB558525A - Improvements relating to variable speed epicyclic gearing : en
  • US2339136A - Heat treating device : en
  • US2338994A - Electric fuse plug cap : en
  • US2338995A - Sharpener for meat-chopping machines : en
  • FR889485A - Process for reactivating molded catalysts composed of siliciferous substances and metal sulphides : en fr
  • CH230465A - Device for the heat treatment of goods of various kinds, in particular for burning cement, alkaline earth carbonates, e.g. B. lime, magnesite, dolomite and the like. : de en
  • US2339014A - Pontoon boat : en
  • US2339134A - Butane gas tank feed device : en
  • AU478942A - Coupling for magnetos to internal combustion engines : en
  • CA417700A - Foldable vehicle body top : en fr
  • DE744191C - Three-axle steering frame for railroad locomotives with two coupling axles and a running axle connected to them by means of a drawbar : de en
  • US2338720A - Manufacture of bobbin-spun rayon : en
  • US2339135A - Threaded coupling : en
  • DE744385C - Compressed air drive for electrical switches : de en
  • FR889515A - Pressure compensator for multiple presses : en fr
  • FR889584A - Cross wire winder : en fr
  • US2338935A - Helicorter : en
  • FR889610A - Process for the preparation of lubricating products and new products resulting therefrom : en fr
  • US2339151A - Method and apparatus for spreading tubular fabrics : en
  • GB558527A - Improvements in or relating to coupling means for co-axial cables : en
  • GB558590A - Darning device : en
  • DE743088C - Process for the selective scrubbing of hydrogen sulfide from gases containing carbon dioxide, in particular distillation gases by means of acid-free ammonia water : de en
  • FR889432A - Process for producing alloys of lead with alkaline earth metals : en fr
  • DE744196C - Cathode ray tubes in which a z. B. intensity-controlled electron beam generates a charge image on an insulator : de en
  • GB558658A - Improvements in or relating to electrical systems, particularly systems for converting direct current into alternating current : en
  • US2338877A - Clamp for roller printing : en
  • DE744283C - Process for the extraction of active ingredients from flowers of Arnica montana : de en
  • DK61788C - Keyboards for Typewriters, Typewriters, Teletypewriters and the like. : da en
  • FR889607A - Process for extracting oil from grape seeds and similar oilseed products using volatile solvents : en fr
  • FR889480A - Dispensing drawer intended to control the inlet and outlet of a fluid : en fr
  • FR889493A - Spinning reel : en fr
  • FR889563A - Devices for measuring angles of torsion in driving shafts such as crankshafts, etc. : en fr
  • US2338989A - Release mechanism for broach pulling chucks : en
  • DE744148C - Incandescent body made of a hollow wire for light bulbs : de en
  • DE744389C - In a two-pole bell magnet, wound double-T armature for electric bicycle alternators revolves around : de en
  • DE744536C - Process for the production of animal feed from stillage, in particular in agricultural potato distilleries : de en
  • US2338773A - Automatic boiler feed regulator : en
  • FR889542A - Broadband amplifier incorporating a screen grid lamp : en fr
  • DE744163C - Method of manufacturing composite bearing shells : de en
  • GB558578A - Synchronizing generators : en
  • FR889558A - Process for preparing amides : en fr
  • GB558678A - Improvements in an electrical apparatus and method of construction thereof : en
  • USD137026S - Design fok a game board : en
  • US2338775A - Electromagnet : en
  • AU729742A - Transmission networks for use in conjunction with monitoring systems : en
  • DE744103C - Surge arresters : de en
  • FR889427A - Sealing device applicable to doors and replacing the threshold : en fr
  • DE744177C - Process for the cold forming of metal pipes that have been coated with oxide and ignition layers after the previous annealing treatment : de en
  • AU759542A - Improvements in and relating to starting circuits for electric discharge devices : en
  • FR889512A - Further training in grinder hearth installations : en fr
  • GB558567A - Improvements in and relating to tipping trailers or waggons : en
  • DE744431C - Cutter head for cutting toothed wheels, especially spiral bevel wheels : de en
  • GB558626A - Packing machine : en
  • GB558610A - Can opener : en
  • GB558576A - Improvements in rotary fluid tight joints : en
  • GB558536A - Improvements in or relating to the production of hollow articles : en
  • GB558545A - Improvements in or relating to pedestals for colliery corves or tubs : en
  • US2339084A - Filter bed filtration with filter bed cleaning : en
  • US2339113A - Window blind : en
  • FR889471A - Process for the preparation of highly esterified condensation products of formaldehyde with aminotriazines : en fr
  • FR889554A - Manufacturing process of sand molds for casting molten metals : en fr
  • DE744435C - Flat combing machine with tacking rollers going back and forth across from the tear-off roller : de en
  • GB558659A - Improvements in or relating to well drilling : en
  • GB558616A - Improvements in or relating to clinometers : en
  • FR889469A - Accumulation image analyzer tube : en fr
  • US2338768A - Method and apparatus for decoding locks : en
  • US2338953A - Refrigerating apparatus : en
  • DE744171C - Process for making baked goods : de en
  • DE744129C - Centrifugal pump with axial shaft adjustment : de en
  • USD137010S - Embroidered trimming or similar article : en
  • US2338755A - Thread-storage, thread-advancing device : en
  • US2338776A - Garment steaming and drying device : en
  • DE744299C - Anode tube for X-ray tubes with external anode : de en
  • DE744202C - Rectifier circuit : de en
  • DE744154C - Process for coating welding rods made of light metal, which are used in particular for arc welding, with a covering that consists exclusively of salts : de en
  • FR889510A - Process for the production of benzol derivatives : en fr
  • US2338706A - Signaling system : en
  • US2338721A - Manufacture of rayon : en
  • US2339163A - Protective cement coating : en
  • US2338810A - Gas burner assembly : en
  • DE744441C - Ice cream machine : de en
  • FR889634A - Improvements to power outlets : en fr
  • US2338867A - Machine tool turret : en
  • US2338973A - Synthesis of toluene : en
  • US2338961A - Transferring device for the figures : en
  • US2339115A - Machine for and method of packaging capsules : en
  • AU117908B2 - A process forthe preparation ofa cleansing agent andthe application thereof : en
  • CA417682A - Hydraulic back-pressure arrester : en fr
  • CH230466A - Lock without spring. : en fr
  • US2339227A - Gun : en
  • FR889508A - Slab used to manufacture clad sheets and method of making this slab : en fr
  • GB558608A - A device for use in the sharpening of razor blades : en
  • CH230640A - Device for lowering the midpoint surge voltage of single and multi-phase transformers. : de en
  • FR889541A - Induction meter : en fr
  • FR889568A - Blade for rotary machines : en fr
  • USRE22417E - Receptacle : en
  • CH230573A - Socket with safety device. : de en
  • CA417683A - Bar cutting machine : en fr
  • CH230596A - Process for the preparation of a salt of N1- (3,4-dimethylbenzoyl) -p-aminobenzenesulfonamide. : de en
  • AU117925B2 - An improved stabilizer for sound films : en
  • US2338849A - Positive printing in color photography : en
  • CA417721A - Fatty acid distillation : en fr
  • CA417720A - Fatty acid distillation : en fr
  • US2339077A - Position retainer for hats : en
  • FR889586A - Process for the preparation of condensation products of phenolformaldehyde soluble in hydrocarbons and in neutral oils, resins or varnishes : en fr
  • US2338761A - Centrifugal governor : en
  • US2338887A - Art of labeling : en
  • US2339120A - Industrial truck : en
  • CH230548A - Process for labeling glass and other surfaces. : de en
  • USD137041S - Design for a dress : en
  • FR889414A - Machine for continuous electric welding of cans : en fr
  • FR889477A - Contact segment for telephone selector : en fr
  • DE743992C - Process for dyeing cellulose fibers in the form of piece goods or wrapped goods with sulfur dyes : de en
  • FR889444A - Sharp blade enhancements : en fr
  • US2338992A - Operating means for piano actions : en
  • USD137032S - Design for a compact : en
  • DE744126C - Process for increasing the yield of potato fruit water : de en
  • DE744345C - Painting process : de en
  • FR889649A - Shaped watch glasses machine : en fr
  • GB558541A - Improvements in or relating to cigarette and the like lighters : en
  • US2338754A - Wire bundle clamp : en
  • US2339194A - Material handling apparatus : en
  • CH230616A - Rolling element transmission. : de en
  • CA417623A - Bracket for swings : en fr
  • DE744447C - Concentric cable insulated using a high-quality dielectric for the transmission of audio frequencies and medium frequencies : de en
  • CH230533A - Device on machine tools with high-speed work spindle for setting the work spindle. : de en
  • US2339139A - Reed and method of constructing the same : en
  • US2339209A - Game and game apparatus : en
  • US2338841A - Fire polishing machine : en
  • US2338933A - Winding carrier for freshly spun threads of artificial silk : en
  • AU117916B2 - Improvements in or relating to thermionic feedback amplifiers : en
  • US2338957A - Electromagnetic control device : en
  • US2339104A - Drill bit : en
  • DE744139C - Process for increasing the softening point of coal tar pitches : de en
  • DE744365C - Floor for the exchange between liquids and vapors or gases : de en
  • FR889499A - : fr
  • FR889605A - Instant Meatloaf Canned Patty : en fr
  • GB558631A - Improvements in and relating to thread tensioning mechanism for machines for winding yarns, threads and the like : en
  • CH230454A - Oven attachment. : de en
  • AU782542A - Improvements in or relating to thermionic feedback amplifiers : en
  • CA417723A - Dispensing carton : en fr
  • CH230554A - Tooth coupling. : de en
  • CH230638A - Process for the production of diazo visor layers. : de en
  • CH230611A - Arrangement for generating electrical oscillations of ultra-short wavelength. : de en
  • DE744294C - Contact arrangement on installation circuit breakers : de en
  • US2338783A - Adjustable stool : en
  • US2338838A - Seat or bench structure for bowling alleys : en
  • US2338899A - Doorstop : en
  • CH230595A - Process for the manufacture of compositions for personal care and cosmetics. : de en
  • CA417743A - Shoe upper shaping machine : en fr
  • CA417724A - Shipping container for asphalt or resin : en fr
  • CH230484A - Method and device for the production of fastener links for zippers. : de en
  • US2338703A - Radio range visualizing device : en
  • US2338718A - Centrifugal governor : en
  • US2339225A - Plow : en
  • NL55805C - : en
  • CH230544A - Razor. : de en
  • US2339167A - Liquid level control for evaporators : en
  • CA417620A - Phonograph needle and record protector : en fr
  • FR889619A - Gelation of mineral oils : en fr
  • AU693642A - Copolymers of vinyl chloride, vinylidene chloride and vinylacetate : en
  • CA417697A - Radio frequency modulation system : en fr
  • CH230637A - Flushing device on a filter chamber. : de en
  • US2338825A - Apparatus for measuring density of circulating fluid : en
  • US2339049A - Control device : en
  • US2339063A - Nonnumerical hunting switch : en
  • GB558552A - Improvements in or relating to dictating machines : en
  • AU117906B2 - Coupling for magnetos to internal combustion engines : en
  • CH230546A - Process for producing a body, the surface of which has characters of different colors. : de en
  • US2338938A - Generator relay shield : en
  • AU775142A - Electrical contact assembly for use in electron discharge devices : en
  • USD137038S - Design fob an automobile bumper : en
  • AU787942A - Process of treating wool greases andthe like : en
  • US2338875A - Vehicle tire : en
  • CH230622A - Process for the preparation of lycopene. : de en
  • AU749942A - Improvements in and relating to blower heads for the separation of card or paper stock : en
  • DE744197C - Device for pulling electrical cables into open cable trenches : de en
  • ES142859A3 - A procedure for the production of tablets for livestock feed. : en es
  • US2338766A - Sound recording method and system : en
  • US2338812A - Weld rod : en
  • US2338951A - Device for cutting threads sidewise with automatically withdrawing tool : en
  • DK61787C - Partial Procedure Reduction of Polycarbonyl Compounds of the Saturated and Unsaturated Cyclopentanopolyhydrophenanthene Series. : da en
  • FR889451A - Method and equipment for reacting to abrupt changes in speed, in particular short circuits in electrical circuits : en fr
  • GB558630A - Improvements in or relating to electrically heated garments : en
  • CH230593A - Cosmetic instrument. : de en
  • US2338865A - Base for electric lamps and similar devices : en
  • CA417736A - Windshield cleaner : en fr
  • GB558569A - Improvements in and relating to devices for resisting abrasion : en
  • FR889590A - New model of freewheel for bicycles : en fr
  • AU1264344A - Ultrahigh frequency inductors : en
  • CH230537A - Process to prevent coarse-grain recrystallization in aluminum alloys of the type Al-Cu-Mg. : de en
  • US2338735A - Manufacture of toothed articles : en
  • AU117978B2 - Improvements in apparatus for softening or other treatment of water : en
  • US2339199A - Printing apparatus : en
  • US2339076A - Accumulator : en
  • US2339232A - Braking and locking mechanism : en
  • CH230551A - Matchbox. : de en
  • AU117910B2 - Condenser and control circuit : en
  • AU393341A - Improvements relating to portable engine-driven pumps : en
  • DE744225C - Process for the production of single-material prostheses : de en
  • CA417691A - Signal-generating system : en fr
  • FR889461A - Workpiece table for riveting machines or the like : en fr
  • US2338901A - Vehicle lamp : en
  • US2339171A - Tool for performing internal machining operations at an angle to the axis of bores or tubular members : en
  • USD137006S - Design for a combined brooch and locket : en
  • USRE22419E - Method for making abrasive articles and apparatus therefor : en
  • AU117913B2 - An improved machine for planting potatoes : en
  • CH230512A - Locking insert for stick erasers in hollow pencil, pen and similar holders. : de en
  • CH230590A - Gas burner. : en fr
  • FR889642A - Bread making process and bread obtained by this process : en fr
  • US2339027A - Firearm : en
  • US2338909A - Electromagnetic oscillating device with freely oscillating armature : en
  • US2338926A - Turbine disk : en
  • US2338984A - Magazine for firearms : en
  • US2339024A - Pneumatic power cylinder and means for preventing over-travel of its piston : en
  • USD137020S - Embroidered trimming or similar article : en
  • GB558558A - Improvements in and relating to the decarburizing of steel containing silicon : en
  • GB558580A - Improvements in screw-cutting die heads : en
  • US2339071A - Sheet decurling apparatus : en
  • CA417687A - Tire building apparatus : en fr
  • US2338964A - Frying apparatus : en
  • USRE22418E - : en
  • AU756642A - Condenser and control circuit : en
  • GB558588A - Improvements in plant training or supporting devices : en
  • DE744308C - Compressor with vertical drive shaft and pre-compression of the conveying medium by a fan : de en
  • FR889410A - Weighbridge with shaking device : en fr
  • US2338859A - Speed responsive device : en
  • FR889468A - Manufacturing process of mosaic electrodes intended for image storage tubes : en fr
  • FR889647A - Process of copper-plating white glass for the manufacture of mirrors : en fr
  • DE744420C - Electric coin machine for passenger lifts : de en
  • GR10206B - APPLIANCE BRUSHING MOVING TESTING SIZES. : el en
  • GB558674A - Improvements in the production of road tars : en
  • FR889614A - Product intended for breadmaking : en fr
  • GB558657A - Improvements in lenses : en
  • DE744175C - Trestle for the hanging wall in mining : de en
  • FR889401A - : fr
  • DE743826C - Process for dyeing fibrous materials made from natural or regenerated cellulose with mordant dyes containing at least one salicylic acid group : de en
  • US2338734A - Food conveyer : en
  • US2339064A - Packaging method and means : en
  • USD137040S - Design for an automobile bumper : en
  • FR889624A - Adaptation of belt tracks on agricultural tractor : en fr
  • DE744169C - Magnetic separator : de en
  • DE744357C - Scaffolding structure for heat or cold insulating double walls of drying, heating and cooling systems : de en
  • US2339082A - Beverage handling and dispensing apparatus : en
  • GB558664A - A new or improved route indicator : en
  • GB558584A - Improvements in or relating to walls or like structures : en
  • FR889490A - Chain tensioning device, in particular for motor vehicle tracks : en fr
  • US2339006A - Swinging dome cover : en
  • US2339023A - Control for steering apparatus : en
  • US2339137A - High frequency core material and core and process for making said material : en
  • FR889635A - Product intended to improve the efficiency of gasifier fuels : en fr
  • US2338858A - Method of forming bearings : en
  • US2339045A - Means for impregnating and coating sheet material : en
  • US2339166A - Circular electric lamp : en
  • FR889409A - Shaking device : en fr
  • FR889570A - Device for assembling crossed construction elements in the form of bars or tubes : en fr
  • FR889572A - Large caliber portable firearm : en fr
  • FR889420A - Internal combustion engine piston : en fr
  • FR889550A - Axis counter device for wheel trains running on rails : en fr
  • GB558548A - Loop-takers for sewing machines : en
  • DE744083C - Soil improver for reclaiming rural areas and combating heather moor disease : de en
  • DE744271C - Process for the production of a protein-containing, persistent foaming agent : de en
  • DE743849C - Process for the preparation of primary disazo dyes : de en
  • GB558611A - Improvements in relief valves : en
  • DE744257C - Vessel for making yoghurt : de en
  • DE744414C - Process for dissolving cellulose : de en
  • DE744343C - Machine gun with longitudinally divided cartridge chamber formed by two rollers : de en
  • FR889434A - Continuous drying device for painted cans : en fr
  • AU117947B2 - Improved device for locking connecting members in timber andother constructions : en
  • DE744188C - Steam locomotive : de en
  • GB558573A - Improved concrete units for use in building construction : en
  • GB558528A - Automatic phonographs : en
  • DE744120C - Process for the processing of ores or other mining and mining products : de en
  • DE744131C - Winders for ropes, cables, wires, threads, flat copper, mainly for stranding machines : de en
  • US2338950A - Embrasure shutter for airplane combat hoods : en
  • GB558640A - Improvements in wiper devices for windscreens of motors and the like : en
  • CH230588A - Arrangement for the control of vapor or gas discharge paths, which relieve the contacts of mechanical switches from switching power. : de en
  • CA417639A - Roofing strip : en fr
  • CA417657A - Ignitron header : en fr
  • US2338998A - Multiple hook lifter : en
  • US2338813A - Method of manufacturing sound deadening material : en
  • US2339083A - Production of sulphathiazole : en
  • US2339131A - Manufacture of fluorescent lamps and screens : en
  • DE744438C - Clarification plant for cleaning waste water : de en
  • CA417737A - Window operator : en fr
  • DE744152C - Switching arrangement for resistance point and seam welding machines with the modulator controlling the welding circuit : de en
  • FR889548A - Vehicle : en fr
  • DE744408C - stopwatch : de en
  • DE744382C - Device for synchronously switching electrical circuits consisting of a control circuit and a switching circuit : de en
  • US2338943A - Interlock : en
  • CH230601A - Switching device for writing registers. : de en
  • FR889557A - Foodstuffs intended for and kept in silos and method of preparation thereof : en fr
  • FR889612A - Harpoon point for spearfishing : en fr
  • DE744017C - Process for the preparation of monoazo dyes : de en
  • DE744375C - Device for maintaining the voltage on electric vehicles : de en
  • FR889620A - Articulated wooden shoe sole : en fr
  • GB558599A - Photographic articles and compositions : en
  • AU777642A - Improved apparatus for manufacturing briquettes andthe like : en
  • US2339007A - Transfer and walker device : en
  • USD137024S - Design for a street-sweeper body : en
  • US2338888A - Nozzle for liquid discharge : en
  • US2339183A - Toaster : en
  • US2339098A - Portable bridge structure : en
  • US2339159A - Beauty parlor chair : en
  • US2338807A - Portable power driven tool : en
  • US2338971A - Grease separator : en
  • DE744157C - Process for preventing corrosion in pipes for tar-free, dust-containing distillation gases : de en
  • DE744421C - Two-stroke internal combustion engine in a U-cylinder arrangement : de en
  • DK61790C - Leather cover varnish and leather cover color on a nitrocellulose basis. : da en
  • USD137014S - Embroidered trimming or similar article : en
  • US2338847A - Method of making ribbed rolls for slashing machines and other textile machines : en
  • US2338997A - Communication system : en
  • US2339021A - Electrical translating instrument : en
  • US2339101A - Check valve assembly : en
  • FR889588A - Process for the preparation of substituted arylenedioxane derivatives : en fr
  • US2338808A - Means for smoothing sleeved articles on pressing tables and operating means therefor : en
  • FR889509A - Process for the production of bivalent alcohol : en fr
  • US2338711A - Alkylation of aromatics : en
  • CA417717A - Abrasive article : en fr
  • US2339195A - Key-operated telephone call transmitter : en
  • AU117914B2 - Seed-sowing implement : en
  • GB558618A - Improvements in recovery of olefin oxides : en
  • FR889623A - Mechanical engine with compound power without fuel : en fr
  • US2338907A - Blocking layer cell unit : en
  • US2339037A - Generator regulating system : en
  • FR889464A - Airtight assembly, in particular for thin-walled metal parts, for example for wall elements in altitude chambers on board airplanes : en fr
  • GB558529A - Improvements in and connected with electric heating appliances for gaseous fluids : en
  • GB558675A - Improvements in or relating to apparatus for use in the reclaiming of fibre from wool, wool waste, woollen waste and the like : en
  • FR889520A - Interior cable-stayed pylon : en fr
  • US2338771A - Dolly unit for two-wheel tractors : en
  • US2338948A - Solvent for chlorinated rubber : en
  • CA417738A - Laminated propeller blade : en fr
  • DE744064C - Process for the production of mixed cements : de en
  • DE744403C - Process for the polymerization of butadiene hydrocarbons : de en
  • US2338767A - Surface controlled combination pump and gas lift : en
  • GB558537A - Machinery guard : en
  • GB558677A - Apparatus for the manufacture of articles by a dipping process : en
  • US2338967A - Esters of alpha chloroacrylic acid : en
  • US2339176A - Carton for bottles : en
  • US2338702A - Garment hanger : en
  • FR889576A - Waterproof seal for shafts : en fr
  • CA417673A - Cast refractory product : en fr
  • FR889531A - Derailleur device for cycle or other similar vehicle : en fr
  • US2339003A - Method of making thin-wall insulators : en
  • AU744842A - An improvement in caravans : en
  • CH230477A - Method and device for generating additional tension in running threads. : de en
  • US2338905A - Continuous towel cabinet : en
  • USD137036S - Combined child s vehicle and package carriage : en
  • US2339229A - Beverage cooling apparatus : en
  • US2338822A - Snubbing clamp for cables : en
  • US2339047A - Recovery of excess glycerin in residues from the preparation of mono- and di-methyl ethers of glycerol : en
  • GB558556A - Manufacture of new condensation products : en
  • GB558665A - Improvements in or relating to belt drives for machine tools : en
  • CH230634A - Process for the preparation of an azo dye. : de en
  • CH230587A - Arrangement for the operation of mercury vapor rectifiers with base load resistance. : de en
  • DE744132C - Network monitoring image : de en
  • DE744134C - Rolling mill for the production of seamless tubes : de en
  • DE744147C - Power converter : de en
  • GR10207B - METHOD FOR MAKING MEANS OF PROTECTION OF THE SKIN AND TREATMENT OF THE BODY. : el en
  • DE744458C - Manufacture of copper oxide pigments : de en
  • FR889489A - Folding metal cart, movable by hand or in tow : en fr
  • CH230526A - Waterproof watch box. : en fr
  • DE744198C - Locking device for gas- and watertight coupling plug-in device : de en
  • GB558544A - Improvements in oil seals : en
  • US2338728A - Azo compounds and material colored therewith : en
  • US2338891A - Loose-leaf binder : en
  • US2338962A - Conveyer : en
  • ES9437U - Dietary or book with provision to indicate the current sheet. (Machine-translation by Google Translate, not legally binding) : en es
  • DE744461C - Process for the production of centrifugally cast hollow bodies : de en
  • US2338866A - Apparatus for discriminating telemetric impulses : en
  • US2339055A - Safety device for labeling machines : en
  • US2339175A - Forging retarder for drawbenches : en
  • US2339107A - Production of motor fuels : en
  • FR889436A - Process for preventing enamels or ceramic glazes from cracking : en fr
  • FR889430A - self-tightening and self-loosening metal prop : en fr
  • FR889631A - Coupling controller for gasifier vehicle batteries and other applications : en fr
  • GB558566A - Improvements in or relating to record-card controlled accounting machines : en
  • DE744246C - horseshoe : de en
  • GB558607A - Improvements in apparatus for administering anaesthetics : en
  • US2339020A - Elevator truck : en
  • DE744100C - Blow-out tube spark gap : de en
  • FR889594A - Method for adjusting the content of iron in phosphorus : en fr
  • USD137017S - Embroidered trimming or similar article : en
  • AU117963B2 - Improvements in detectors for frequency modulation : en
  • DE744411C - Blade ring association for radial pressurized centrifugal machines, especially steam turbines : de en
  • DE744081C - Process for the preparation of 2-methyl-butyn- (3) -ol-2 : de en
  • US2339154A - Transmission mechanism : en
  • US2338906A - Ignition device for internal : en
  • CA417722A - Sound recording and reproducing device : en fr
  • US2338715A - Arc splitting plate : en
  • USD136997S - Design for a bottle : en
  • CA417656A - Electron discharge device : en fr
  • USD137013S - Embroidered trimming or similar article : en
  • CH230502A - Durable ready-to-use dry mix of hardenable substances. : de en
  • FR889478A - Mixture used in the manufacture of soft and flexible articles : en fr
  • GB558553A - Improvements in or relating to motor power plants : en
  • GB558613A - Improvements in or relating to wire drawing machines and method : en
  • FR889596A - Device for hair removal by light rotating friction : en fr
  • USD137004S - Design for a brooch pin : en
  • CA417637A - Emergency and parking brake : en fr
  • DE744325C - Method and testing machine for determining the force required when stretching textile material with high tensile strength : de en
  • US2338733A - Indicator means for bowling pin setting machines : en
  • US2338821A - Threading apparatus : en
  • FR889407A - Medium for coloring liquids, especially those to be added to canned fruits and vegetables : en fr
  • DE744213C - High voltage bushing for X-ray systems : de en
  • FR889545A - Glass container for sterilization cooking : en fr
  • IE17240L - Fining glass : en
  • USD137021S - Embroidered trimming or similar article : en
  • US2339123A - Bottle cleaning device : en
  • US2339099A - Rotary seal for pumps : en
  • US2339121A - Manufacture of golf club grips : en
  • CH230532A - Hand-operated electric spot welding gun. : de en
  • US2338769A - Lift for bundle carriers : en
  • CH230564A - Cast light metal pistons for internal combustion engines. : de en
  • FR889473A - Small pocket lighter : en fr
  • US2339118A - Shoe lining and process of making the same : en
  • US2339116A - Temperature measuring apparatus : en
  • US2339111A - Signaling apparatus : en
  • DE744241C - Device for harmonic analysis and synthesis : de en
  • US2338928A - Supporting device for bubble caps : en
  • US2339203A - Treatment of cellulosic textile material : en
  • USD137009S - Embroidered trimming or similar article : en
  • US2338777A - Suction roll : en
  • AU117968B2 - Starting gates : en
  • US2338920A - Process for the manufacture of artificial textile fibers : en
  • US2339097A - Cutting-off machine : en
  • DE744205C - Transformer for fine-level control through a contact piece that grinds on n parallel, isolated from one another and bare-made windings on the same leg at the contact points : de en
  • US2339216A - Hopper with metal bottom : en
  • CH230498A - Process for the preparation of a new tetracyclic ketone. : de en
  • AU117915B2 - Improvements in or relating to permanent magnet electric motors : en
  • CH230495A - Process for the production of caramel by heating water and sugar masses containing an alkaline substance. : de en
  • DE744291C - Mercury wiper relay operating through electrical heating or cooling of gases : de en
  • FR889564A - Fast reading ohmmeter : en fr
  • GB558563A - Method of improving the qualities of hydraulic binding agents : en
  • GB558629A - Improvement in engine starters : en
  • US2338787A - Method of making articles : en
  • US2339079A - Apparatus for tipping metal bases with metal tips : en
  • US2338697A - Golf practice device : en
  • US2338977A - Railway wheel : en
  • US2339089A - Centralizing device : en
  • US2338956A - Machine for separating meats and shell fragments of edible nuts : en
  • NL55793C - : en
  • FR889500A - : fr
  • US2338942A - Cash register : en
  • US2339088A - Electric induction apparatus : en
  • US2338987A - Preparation of nitrogen-phosphoric acid compounds for water softening : en
  • USD137002S - Design for a brooch pin : en
  • DE744410C - Lifting table system for rolling mills : de en
  • FR889518A - Improvements to cycle executives : en fr
  • FR889486A - Process for coating the inner wall of molds used in the manufacture of praline cores with a film coating : en fr
  • AU773242A - Improvements in or relating to sliding clasp fasteners : en
  • FR889633A - Method of centering resistance wires in electric heating tubes and resulting products : en fr
  • CH230624A - Process for the preparation of an ester of a non-coloring sulphurisation product of phenol. : de en
  • US2339155A - Bicycle trailer hitch : en
  • DE744142C - Circuit arrangement for sub-exchanges, e.g. B. PBXs : de en
  • CA417709A - Method of making a catalyst and resulting product : en fr
  • CA417716A - Abrasive article : en fr
  • CH230631A - Process for the preparation of a trisazo dye. : de en
  • AU117926B2 - Converter circuits : en
  • CA417676A - Closure composition : en fr
  • CH230575A - Electric circuit breaker for high voltage direct current. : de en
  • US2339188A - Work positioning means for imprinting machines and the like : en
  • CH230555A - Belt tensioning device on engines. : de en
  • CH230592A - Prosthesis mitt. : en fr
  • CH230472A - Room furnishings. : de en
  • AU117946B2 - Improvements in or relating to heating appliances : en
  • CA417703A - Organic solution of formaldehyde-urea reaction products : en fr
  • CH230556A - Sealing membrane moved by a rod that moves back and forth. : de en
  • CH230621A - Mountain fittings for shoes, in particular ski boots. : de en
  • AU117909B2 - Transmission networks for use in conjunction with monitoring systems : en
  • US2338789A - Foldable table leg mounting : en
  • DE744440C - Gas suction device for coke stoves : de en
  • CH230597A - Process for the preparation of a blood substitute fluid. : de en
  • US2338963A - Adjustable hone : en
  • CH230549A - Two-piece button. : de en
  • CA417638A - Instrument mounting device : en fr
  • GB558653A - Manufacture of basic ethers : en
  • US2338748A - Direction signal : en
  • USD137000S - Design for a brooch pin : en
  • USD137034S - Design fob an ironing board : en
  • AU784042A - An improved apparatus forthe manufacture of chocolate roughs and like confections : en
  • US2339000A - Nonslip holder for cake soap : en
  • CH230491A - Process for the preparation of pure solutions of non-nutritional dextrose. : de en
  • CH230633A - Process for the preparation of an azo dye. : de en
  • US2338757A - Telephone set : en
  • US2338889A - Refrigeration apparatus : en
  • US2339096A - Solvent composition and method of cleaning lubricated apparatus : en
  • CH230486A - Lightweight crampon. : en fr
  • AU117948B2 - Improvements in or relating to sheetmetal, particularly for use as container stock : en
  • US2338873A - Diaphragm seal : en
  • CA417684A - Malleable iron production : en fr
  • FR889447A - New aralcoholic derivatives of organic sulfonamides : en fr
  • AU117945B2 - Improvements in or relating to optical objectives : en
  • CH230527A - Tracing machine. : en fr
  • FR889650A - Development of telephone systems : en fr
  • US2339150A - Blower control system : en
  • CA417663A - Package and apparatus : en fr
  • DE744220C - Drying agents for paints and. like : de en
  • US2339092A - Amalgam mixing machine : en
  • USD137003S - Design for a brooch pin : en
  • US2339193A - Footwear safety device : en
  • US2338774A - Game board : en
  • US2338803A - Predetermining time delay : en
  • USD137037S - Design for a wallpaper or similar article : en
  • US2338930A - Reel carrier : en
  • US2339202A - Photographic camera : en
  • CA417641A - Drawer slide : en fr
  • CA417671A - Refractory zirconia casting : en fr
  • AU708442A - A process of treating wool, wool goods andother fibrous materials : en
  • DE744349C - Single track roller skate : de en
  • CA417699A - Cigar shaping machine : en fr
  • CA417701A - Dry shaver cutter head : en fr
  • CH230521A - Arrangement for displaying the ignition point of controlled discharge paths. : de en
  • AU780642A - Improvement in acoustic device : en
  • CH230603A - Communication system with two-way speaker traffic. : de en
  • CH230636A - Process for the preparation of an azo dye. : de en
  • US2338752A - Telephone system : en
  • US2339074A - Game : en
  • US2339140A - Automatic lathe : en
  • CA417666A - Electrical contact member : en fr
  • US2339042A - Packing : en
  • CA417668A - Coated non-inflammable glass fabric : en fr
  • CA417678A - Volatile liquid pumping apparatus : en fr
  • CA417675A - Coated confection making apparatus : en fr
  • US2338902A - Process for manufacture of isothiocyanates : en
  • CH230547A - Process for the production of coatings. : de en
  • FR889641A - Improvements to selective power line protection devices : en fr
  • US2339040A - Heating system for railway cars : en
  • AU117938B2 - Improvements in, or relating to, hoists, cranes, lifts andthe like lifting apparatus : en
  • GB558639A - Improvements relating to valve mechanism for fluid motors : en
  • CH230520A - Electricity meter. : de en
  • US2338972A - Tool for cutting grooves : en
  • US2338696A - Tire loosening device : en
  • US2338726A - Rocker arm : en
  • AU778342A - Seed-sowing implement : en
  • US2338785A - Construction of roads or runways : en
  • US2339044A - Selector and display device : en
  • DE723509C - Arrangement for coupling a directional antenna system consisting of several individual antennas : de en
  • DE744279C - Process for the partial or complete azotization of calcium carbide : de en
  • US2339124A - Disk harrow : en
  • US2338716A - Swivel coupling : en
  • DE744366C - Device for the automatic distillation of sea water and other liquids : de en
  • DE744416C - Process for the preparation of drugs and. Like. Filled capsules made of gelatin or other elastic material : de en
  • CH230535A - Method for processing rotatably mounted workpieces, e.g. B. crankshafts, and machine for performing the method. : de en
  • US2338949A - Telautograph : en
  • US2339128A - Digger tooth construction : en
  • US2338912A - Internal combustion engine governor : en
  • US2338878A - Means for supporting the masks in printing rollers : en
  • AU117958B2 - Improvements in or relating to cutting dies : en
  • US2339087A - Thermostatic control device : en
  • US2339126A - Process of forming esters : en
  • US2339156A - Dispensing container : en
  • US2338792A - Method of preparing textile fabric : en
  • USD137042S - Design for a badge : en
  • US2339028A - Preservation of potatoes, fruit, and vegetables : en
  • US2339050A - Improving the odor of thiocyanate insecticides : en
  • DE744117C - Protective device on surface planing machines : de en
  • FR889587A - P-oxazinylmethylbenzodioxanes and process for their preparation : en fr
  • GB558617A - Coating compositions : en
  • US2338915A - Manufacture of artificial textile fibers : en
  • US2338978A - Process of producing rubber threads and rubber fabric : en
  • CA417739A - Electrical socket : en fr
  • AU701542A - A process forthe preparation ofa cleansing agent andthe application thereof : en
  • CH230562A - Light metal pistons for internal combustion engines. : de en
  • US2338939A - Automatic portioning and molding mechanism : en
  • CA417632A - Headgear : en fr
  • CH230470A - Electric heater. : en fr
  • GB558606A - Improvements in or relating to water taps or valves : en
  • CA417725A - Carton taping machine : en fr
  • CH230599A - Withdrawal signal device on isolation devices with high pressure nutrient gas. : de en
  • CH230626A - Process for the preparation of a stilbene dye. : de en
  • CH230493A - Process for preserving agricultural products, in particular fruits and potatoes. : de en
  • US2339112A - Display container : en
  • US2338879A - Veneer apparatus : en
  • DK61797C - Lap for Repair of Car Tires. : da en
  • GB558577A - An improved welding helmet : en
  • DE744300C - Facility for operating Roentgen pipes : de en
  • GB558615A - Improvements in driving mirrors : en
  • CA417628A - Solid fuel briquette manufacture : en fr
  • GB558668A - Improvements in and relating to electric gas blast circuit breakers : en
  • US2339048A - Compressor : en
  • CA417613A - Dual wheel assembly : en fr
  • CH230456A - Cooking insert with air preheater. : de en
  • DE744266C - High pressure sectional centrifugal pump : de en
  • DE744390C - Forming arrangement : de en
  • DE744423C - Internal combustion engine with compressed air inlet device and a chamber which is adjustable in size and is connected to the combustion chamber and in which a piston is slidably arranged : de en
  • US2338980A - Baby spoon : en
  • DE744240C - Use of copper-zinc alloys for mechanically and slidingly stressed machine parts : de en
  • DE743460C - Process for printing fabrics with ester salts of leukokuepen dyes or ice dye preparations : de en
  • DE744128C - Machine for the production of paper sleeves : de en
  • DE744270C - Soaps with a fragrant tobacco odor : de en
  • FR889629A - Device for automatically switching on and off the auxiliary phase of a single-phase induction motor : en fr
  • DE744315C - Device for sealing windows : de en
  • GB558539A - Improvements in and relating to heat exchangers : en
  • DE744135C - Charring retort : de en
  • FR889497A - : fr
  • FR889487A - Pouring cap for bottles : en fr
  • FR889446A - Process for manufacturing extremely active electron-emitting substances : en fr
  • FR889595A - Wood distillation and carbonization processes : en fr
  • FR889470A - Book made up of text pages and fixed dividers : en fr
  • FR889644A - Improvements made to excavators, more especially those of the electric type : en fr
  • GB558565A - Improvements in and relating to electric discharge lamps : en
  • FR889501A - : fr
  • FR889553A - Valve cone, especially intended for marine machines : en fr
  • GB558652A - Improvements in and relating to synthetic resinous moulding compositions : en
  • FR889556A - Process for the preparation of dioxane derivatives : en fr
  • GB558660A - Improvements in and relating to tobacco feeding mechanism particularly for cigarette making machines : en
  • FR889442A - Improvements to paper soles : en fr
  • AU649042A - Improvements in or relating tothe production of drills : en
  • AU758242A - Diversity receiving system : en
  • AU747142A - Frequency and phase modulation receivers : en
  • CA417660A - Shoe stiffening member : en fr
  • GB558671A - Improvements in or relating to permanent magnet structures : en
  • AU117971B2 - Improved rotary engine : en
  • CA417614A - Dual wheel assembly : en fr
  • CH230458A - Electric heating device for heating at least one heating element, in particular one of central heating systems. : de en
  • US2338817A - Self-laying track mechanism : en
  • US2339057A - Foot protector : en
  • CA417731A - Electric welding system : en fr
  • US2339010A - Combined light fixture and sterile lamp : en
  • GB558628A - Conductive footwear : en
  • US2338913A - Welding electrode holder : en
  • US2338955A - Automobile carrier : en
  • DE744077C - Process for the production of high-boiling hydrocarbons - mainly paraffin - by catalytic conversion of gases containing carbon oxides and hydrogen : de en
  • CA417670A - Refractory zirconia casting : en fr
  • US2339125A - Electromagnetic time element device : en
  • CA417754A - Gable trim shingle unit : en fr
  • DE744445C - Electromagnetically controlled radiator valve, especially for railway vehicles, with a rotary valve : de en
  • DE744457C - Production of a pigment for paints from clay or loam containing sand : de en
  • US2338869A - Riveting peen extension : en
  • FR889476A - Aircraft rudder and aileron locking device : en fr
  • AU771642A - An improved machine for planting potatoes : en
  • FR889597A - Pedaling crank, which gradually lengthens according to the effort : en fr
  • DE744262C - Process for the production of diazotypes : de en
  • GB558564A - Improvements in traps for animals : en
  • CH230600A - High pressure gas breathing apparatus with warning device. : de en
  • US2338756A - Copper-base alloy : en
  • GB558574A - Improvements in pipe joints and the like : en
  • GB558627A - Metal cores for casting hollow metal articles : en
  • GB558526A - Improvements in spindle mountings for spinning and twisting frames : en
  • CA417704A - Blowpipe head : en fr
  • FR889523A - Process for preventing transcrystalline corrosion of iron and steel : en fr
  • AU788042A - Improvements in or relating to controls for ships' engines : en
  • GB558670A - Improvements in and relating to the rectification of vapours : en
  • DE744125C - Device for the production of bores with a curved surface line : de en
  • DE744386C - Dampening pot for electric time switches or the like. : de en
  • DK61791C - Method for Making Curled Tavers of Synthetic Linear, Superpolymer Compounds : da en
  • US2338996A - Potato seed cutter : en
  • US2338885A - Electron multiplier : en
  • US2339026A - Method of and apparatus for measuring and testing the end point of volatile liquids : en
  • CA417745A - Shoe sewing and lasting machine : en fr
  • DE744111C - Device for carrying out the process for the production of artificial threads of any fineness : de en
  • FR889474A - Method of applying to sheets of cellulosic glass a water-repellent coating impermeable to water vapor and resistant to boiling water : en fr
  • GB558561A - Improvements in jacks : en
  • FR889561A - Rocket for striped projectiles : en fr
  • FR889479A - Polyvinyl alcohol soft consistency parts : en fr
  • FR889628A - Device : en fr
  • FR889488A - Device for collecting Colorado beetles : en fr
  • GB558559A - Improvements in electric circuit breakers of the gas blast type : en
  • GB558579A - Improvements in or relating to electric circuit breakers having automatic tripping means : en
  • US2338890A - Electrical rectifier : en
  • GB558533A - Improvements in and relating to detachable connections for flexible pipe lines : en
  • DE744292C - Time switch with an adjustable wheel escapement : de en
  • US2339181A - Bracket for locomotive steam gauges : en
  • DE733673C - Device for the instrument display of the course deviation for target course recipients : de en
  • DE744430C - Moving steady rest with two jaws arranged at an angle to each other to support turned parts, the diameter of which changes continuously : de en
  • DE744393C - Roentgen system with a Graetz rectifier circuit : de en
  • FR889408A - Process for the preparation of a product which, after dilution with water, is suitable for the control of harmful organisms : en fr
  • DE744130C - Fire extinguishers : de en
  • DE744200C - Electric fuse : de en
  • CH230514A - Toy. : en fr
  • AU124446B2 - Ultrahigh frequency inductors : en
  • CH230460A - Ventilation device. : de en
  • AU117921B2 - Improvements in or relating to sliding clasp fasteners : en
  • CH230480A - Method and device for feeding and replacing threads in knitting machines. : de en
  • FR889609A - Apparatus for collecting human blood for the separation and collection of blood serum : en fr
  • CA417681A - Blowpipe plate-riding attachment : en fr
  • CH230530A - Adjustable counter pressure plate on molding machines. : de en
  • US2339186A - Centrifugal pump : en
  • US2338936A - Electrode frame structure : en
  • US2339105A - Carburetor for internal combustion engines : en
  • CA417741A - Thread tension device : en fr
  • CH230539A - Wood circular saw. : de en
  • AU117965B2 - An improvement in caravans : en
  • US2339002A - Oxidative condensation product of organic mercaptans and primary amines : en
  • US2339146A - Electrical connector : en
  • CA417631A - Gaseous medium filtering apparatus : en fr
  • US2339179A - Apparatus for making corded-edged textiles : en
  • US2338832A - Holding device for the thread package supporting means on winding spindles : en
  • US2338846A - Oil burning apparatus : en
  • USD137039S - Cadwallader automobile bumper : en
  • DE744164C - Photographic roll film : de en
  • US2339043A - Feeding apparatus : en
  • US2339138A - Clamp : en
  • CA417702A - Golf club joint : en fr
  • US2338746A - Dyeing of hair : en
  • US2338844A - Control mechanism for gas burners : en
  • US2338722A - Manufacture of rayon : en
  • CH230604A - Control circuit for transmission systems with two speech directions. : de en
  • US2338903A - Fluid operated pump assembly : en
  • US2338937A - Open line shaft bearing : en
  • US2338717A - Ceramic mix and method of preparing the same : en
  • US2338723A - Manufacture of bobbin spun rayon : en
  • US2338779A - Grading or separation of particles of solids, liquids, or gases : en
  • US2338979A - Electric motor control : en
  • CH230518A - Device for keeping constant the winding tension of the writing strip of recording measuring devices. : de en
  • CH230485A - Leather substitute material. : de en
  • US2338708A - Heater : en
  • US2339034A - Mooring bitt : en
  • CH230469A - Device for warming up the generator gas intended for internal combustion engines. : de en
  • US2338924A - Process for the protection of magnesium-base metals : en
  • US2338981A - Method and device for measuring the thickness of light transmitting layers : en
  • CA417695A - Circuit grounding device : en fr
  • US2338701A - Insulating coating for electrical space discharge tube elements : en
  • US2338837A - Electrode for discharge devices : en
  • US2339133A - Facsimile apparatus : en
  • US2339233A - Refractory manufacture : en
  • DE744123C - Control device for internal combustion engines, especially aircraft engines : de en
  • FR889555A - Plunger core coil, variable coupling by displacement of the core : en fr
  • CA417642A - Container filling and sealing method : en fr
  • DE744153C - Welding rod for carrying out the welding process by means of electrically and chemically generated heat : de en
  • FR889643A - Automatic starting device for electric motors : en fr
  • US2338828A - Pile strip : en
  • US2339219A - Method and machine for making tubes : en
  • US2338796A - Driving unit for boats : en
  • DE744310C - Process for the representation, identification, visualization or recording of structures within the human or animal body : de en
  • FR889481A - Gas detector tube : en fr
  • CH230482A - Gaiter. : en fr
  • GB558543A - Improvements in or relating to electric wall switches : en
  • US2338854A - Extruding apparatus : en
  • FR889630A - Nozzle for gasifiers : en fr
  • DE744356C - Wooden stave with a tongue and groove that is circular in cross section : de en
  • CH230513A - Harmonica. : de en
  • US2338833A - Fire rescue device : en
  • US2338960A - Process and apparatus for the impregnation of fiber fleeces with binding agents : en
  • CA417658A - Plasticizer and plastic composition : en fr
  • CH230623A - Process for the production of indole-3-acetic acid. : de en
  • CA417652A - Friction clutch and spring : en fr
  • CH230627A - Process for the preparation of a stilbene dye. : de en
  • DE744313C - Switchable back gear for elevators, winches or the like. : de en
  • US2338932A - Forage cutter : en
  • US2339090A - Torque operated propeller pitch changing device : en
  • DE744158C - Rubber riser and sprue model : de en
  • FR889579A - Cyanurea manufacturing process : en fr
  • CH230557A - Rotary valve used to close pipelines. : de en
  • NL55804C - : en
  • CA417653A - Telephoto objective : en fr
  • US2338876A - Magnesium compound from calcined dolomite : en
  • CA417679A - Volatile liquid pumping apparatus : en fr
  • FR889517A - Resilient wheel, with rigid rim, especially for bicycles : en fr
  • FR889573A - Process for producing a non-conductive protective layer on the surface of parts made of magnesium and magnesium alloys : en fr
  • DE744080C - Process for the production of fatty acids by ozonizing olefin-containing hydrocarbon mixtures : de en
  • DE744167C - Tubular attachment for the upper part of spinning or twisting spindles : de en
  • FR889405A - Process for making paper having low absorbency for printing inks : en fr
  • DE744434C - Brake rod arrangement for equipped with handbrake and footbrake, especially three-wheeled transport vehicles : de en
  • US2338731A - Circuit controller : en
  • DE744140C - Process for the production of armor sheets or plates : de en
  • DE744377C - Teletype transmitter for five-alphabet with several, preferably two type groups and automatic transmission of a type group change character when changing to another type group : de en
  • FR889565A - Method and device for making locks, padlocks, bolts or the like inviolable : en fr
  • FR889639A - Machine perfected to treat ramies, leaves and textile plants : en fr
  • FR889452A - protective equipment for converter mounting : en fr
  • FR889526A - Scutching machine for flax or other fibrous plants : en fr
  • DE743029C - Process for the preparation of undekamethine dyes : de en
  • FR889585A - Process for the construction of walls, partitions, floors or ceilings using concrete blocks, aerated concrete, or any other lightweight, suitable construction material : en fr
  • GB558585A - Wagon-, and tub-tippler : en
  • GB558597A - Improvements in or relating to thermionic amplifiers : en
  • IE16632L - Telecommunication selector switch : en
  • IE18413L - Modulating circuits : en
  • US2339065A - Sorting machine : en
  • FR889544A - Coupling Fork for Auto Truck Trailer : en fr
  • FR889599A - Thread guide control device for bobbin winders : en fr
  • GB558636A - Improvements in or relating to plywood : en
  • FR889484A - Axial gas or steam turbine with shaft passing through the casing on each side : en fr
  • GB558571A - Socket and collar handle coupling for household sweeping or yard brush : en
  • GB558575A - Improvements in and relating to hair curlers : en
  • GB558600A - Improvements in, or relating to, steam separators : en
  • US2338886A - Causticizing of waste magnesia products : en
  • US2339085A - Refrigerator : en
  • GR10209B - SPRAYER SYSTEM. : el en
  • DE744288C - Procedure for transferring calls in carrier frequency systems : de en
  • AU117928B2 - Improvements relating to power driven cranes : en
  • DE744162C - Method for measuring illuminance levels, in particular for measuring exposure times : de en
  • DK61805C - Procedure for Securing the True Order of a Thread Layer or Thread Groups. : da en
  • AU1176043A - Improvements in or relating to variable speed mechanism : en
  • US2338814A - Sofa : en
  • CH230632A - Process for the preparation of an azo dye. : de en
  • US2338983A - Process of treating fabrics : en
  • CH230608A - Circuit with one or more reactance tubes. : de en
  • US2338850A - Educational device : en
  • AU117940B2 - Improvements in or relating to variable speed mechanism : en
  • AU809243A - Improved apparatus for retorting shale, coal andthe like : en
  • CA417612A - Reinforcement angle : en fr
  • DE744437C - Pressing device, especially for asbestos fiber rings : de en
  • FR889453A - Arrangement for setting high voltages with switches loaded in a liquid dielectric, in particular for transformers : en fr
  • AU584642A - Improved rotary engine : en
  • DE744446C - Arrangement for reducing the distortion factor of amplifiers connected in push-pull : de en
  • US2338975A - Controlling mechanism for lathes : en
  • US2339198A - Electric wave circuit : en
  • US2338743A - Substituted styrene-polypiperylene copolymer : en
  • DE744217C - Process for the preparation of trisazo dyes containing a salicylic acid group : de en
  • GB558666A - The oxidation of organic compounds : en
  • CA417693A - Cylindrical press : en fr
  • CA417655A - Metering circuit for x-ray apparatus : en fr
  • CH230531A - Pair of electrode holders for final arc welding of thin metal parts. : de en
  • CH230516A - Device for the continuous measurement of the quantity of a flowing fluid. : de en
  • CA417726A - Hair fastener : en fr
  • DK61804C - Boron- and lead-poor Glaze for ceramic objects and Procedure in the manufacture of this Glaze. : da en
  • US2339158A - Worktable and method of laying glass sheets to be surfaced thereon : en
  • US2339100A - Light fixture : en
  • USD137001S - Design for a brooch pin : en
  • DE728448C - Cooling air duct for the drive motor of vehicles with box bodies : de en
  • DE744339C - Gravity folding davit : de en
  • DE744383C - Differential extinguishing chamber : de en
  • DK61798C - Wooden wheel ring. : da en
  • CA417734A - Screw conveyer and joint : en fr
  • AU117924B2 - Improvements relating to telephone systems : en
  • US2339190A - Tape lifting device and spindle brake mechanism : en
  • AU117957B2 - Copolymers of vinyl chloride, vinylidene chloride and vinylacetate : en
  • US2339160A - Distillation process : en
  • US2338749A - Tie band, label, and similar article : en
  • US2338845A - Hydraulic piston snubber : en
  • US2339129A - Radiological method of surveying wells : en
  • CA417733A - Oil well paraffin deposition preventing method : en fr
  • CH230508A - Accounting system. : en fr
  • AU117961B2 - Process of treating wool greases andthe like : en
  • GB558586A - Improvements in and relating to the dyeing of nylon fibres : en
  • AU117955B2 - Improvements in or relating tothe manufacture of nuts andother screwthreaded members : en
  • US2338719A - Surface marking signal : en
  • US2338921A - Rear axle for motor vehicles : en
  • US2339103A - Transformer system : en
  • USD137028S - Design fok a padlock : en
  • AU778542A - An improved method of and device for securing splints ona broken or damaged limb : en
  • DE744118C - Process for protecting combustible materials against combustion : de en
  • DE743467C - Process for the preparation of nicotinic acid alkamine esters : de en
  • AU117960B2 - An improved method of and device for securing splints ona broken or damaged limb : en
  • AU645642A - Improvements in or relating to hydraulic remote control apparatus : en
  • CA417643A - Meter holder : en fr
  • US2339075A - Adjustable bed : en
  • FR889543A - Process for preparing esters from acrolein and its alpha-substituted compounds : en fr
  • AU117954B2 - Improvements in or relating to pulverised fuel burners : en
  • CH230602A - Process and machine for the simultaneous dispensing of soap and paper napkins. : de en
  • US2338896A - Pneumatic shock absorber : en
  • GB558582A - Improvements in or relating to the treatment of oleo resins : en
  • GB558591A - An improved method of supporting and locating wires of electrical circuits : en
  • CA417711A - Pressure cooker : en fr
  • US2339132A - Hydraulic remote-control apparatus : en
  • GB558530A - Improvements in and relating to electric contact mechanism incorporated in the indicating dials of weighing scales : en
  • DE744189C - Device for the automatic regulation of a heating system, especially for railway vehicles : de en
  • US2338705A - Cap : en
  • US2338848A - Tension controlling apparatus : en
  • GB558621A - Improvements in electric regulators of the carbon pile type : en
  • FR889465A - Device for dressing the flat surface on grinding wheels with different outer diameters : en fr
  • FR889502A - : fr
  • FR889626A - Device intended for trimming the rubber of worn automobile tires in order to restore them to their original grip : en fr
  • CA417619A - Fire extinguishing nozzle : en fr
  • DE743718C - Wheel hub made of plastic for prams or similar vehicles with a low number of revolutions : de en
  • DE744436C - Tear-off device for flat combing machines : de en
  • DE744235C - Device for attaching the lying surface to a bed base or mattress frame : de en
  • DE744160C - Process and device for the condensation of zinc vapors : de en
  • FR889458A - Method for determining the direction of a variable locus relative to a fixed transmitter : en fr
  • GB558612A - Improvements in or relating to fans : en
  • DE744415C - Instrument for loosening tooth roots from the tooth socket : de en
  • DE744406C - Mixing and storage vessel for liquids consisting of two nested cups of different sizes : de en
  • AU787042A - Means for automatically controlling an electrically driven winding gear : en
  • CH230606A - Circuit arrangement with connection lines that can be used in both directions in telephone systems. : de en
  • CA417692A - Cathode ray tube : en fr
  • CA417751A - Toy squawker : en fr
  • CH230610A - Circuit for generating frequency-modulated high-frequency oscillations. : de en
  • US2339078A - Eye shield : en
  • US2339172A - Window screen : en
  • DE744127C - Process for the production of pure, in particular albumin-free solutions of technical acid casein : de en
  • FR889529A - Raincoat : en fr
  • CH230528A - Tool for grinding pushers and anvils of gallows to drive out watch stones. : en fr
  • US2339091A - Stabilized halogenated compound and apparatus containing it : en
  • DE744286C - Membrane produced from pulp by dipping or pouring for electroacoustic devices : de en
  • DE744432C - Tracking tripod for film cameras : de en
  • US2338782A - Cyanine dyestuff : en
  • US2339178A - Fluorescent tube coating : en
  • DE744230C - Method and mold for producing clad cast blocks : de en
  • CH230566A - Process for the production of forged pistons for internal combustion engines. : de en
  • DE744204C - Voltage and frequency regulation in a three-phase network mainly fed by self-controlled inverters : de en
  • DE744115C - Sterilizer for sterilizing laundry, instruments, etc. like : de en
  • US2338922A - Continuous envelope assembly : en
  • US2339122A - Antitheft device : en
  • CA417752A - Electron discharge device : en fr
  • CH230635A - Process for the preparation of an azo dye. : de en
  • US2338829A - Chemical process and product : en
  • US2339196A - Housing and support for pilot lights : en
  • FR889640A - Seat, including bench seat for trucks, coaches and other vehicles : en fr
  • DE744173C - Dismantling and loading machine : de en
  • DE744353C - Method for soldering out remaining dovetails for briquette extrusion on plates : de en
  • CA417760A - Basic ester production : en fr
  • CH230461A - Method and device for the production of semi-cylindrical insulating shells from glass fibers or other inorganic fibers for pipelines. : de en
  • CA417650A - Clutch control mechanism : en fr
  • AU679242A - Improved device for locking connecting members in timber andother constructions : en
  • CA417705A - Friction clutch and radial springs : en fr
  • CH230583A - Housings for electrical components. : de en
  • US2339069A - Fin type belt supporting pulley : en
  • US2339207A - Drying apparatus for granular material : en
  • USD137030S - Necklace or similar article : en
  • FR889448A - Folding cabinet with transformation, which can be used as chair, bed, stretcher, and other applications : en fr
  • US2338704A - Loading machine : en
  • GB558604A - Improvements in spray producing nozzles : en
  • US2339222A - Flight calculator : en
  • CA417759A - Sulphur dioxide extracting and concentrating process : en fr
  • CH230550A - Small pocket lighter. : de en
  • DE744374C - Switchgear intended for electric vehicles : de en
  • US2338747A - Means for shortening the effective length of lines or cords : en
  • US2339072A - Method of producing getter and formed metal ribbon : en
  • US2339094A - Method of preparing polyaryl selenazoles : en
  • DE744151C - Coil for coreless induction ovens : de en
  • CH230578A - Fuse device. : de en
  • DK61803C - Procedure for the production of solid shaped bodies with foam structure by raising hydraulically bonding masses. : da en
  • US2338988A - Car truck : en
  • US2339192A - Method of treating vessels having refractory linings : en
  • US2339210A - Screw driver type tool : en
  • AU117927B2 - Surgical stitching instrument : en
  • AU794243A - Chromate recovery : en
  • CH230591A - Audiometer. : de en
  • ES157960A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF CUBAS FOR IMMERSION IN SALT BATHS, WITH PROTECTION AGAINST CORROSION : en es
  • FR889415A - Improvements to electrically welded cans : en fr
  • GB558632A - Improvements in or relating to thermionic valve circuits : en
  • US2338917A - Process for manufacturing artificial textile fibers from casein : en
  • US2339013A - Steering wheel : en
  • US2339056A - Polyvinyl acetal resin composition : en
  • AU716042A - Improvements in or relating to cutting dies : en
  • US2338802A - Treated turpentine composition : en
  • US2339231A - Process of preparing paving mixtures : en
  • US2338804A - Time controlled valve : en
  • US2338843A - Phonograph recording : en
  • GB558592A - Improvements in or relating to electrically actuated fire preventing and extinguishing systems for use upon multi-engined aircraft and to devices for use in such systems : en
  • DE744427C - Gas turbine plant for the production of blast furnace compressed air : de en
  • US2338797A - Terpene compound : en
  • GB558625A - Improvements relating to rods for drain cleaning, cable laying chimney sweeping and the like purposes : en
  • DE743934C - Wave filter made up of several elements connected in series, which all have the same transmission range and which each contain piezoelectric crystals as impedances : de en
  • DK61801C - Projectile for rifled Shots. : da en
  • GB558603A - Improvements in a connector : en
  • US2338916A - Embodiment in the process for manufacturing artificial textile fibers from animal casein : en
  • USD137022S - Embroidered trimming or similar article : en
  • DE744183C - Filling of separating columns : de en
  • DE744249C - Lubrication for gas-powered internal combustion engines : de en
  • FR889421A - Light metal piston for internal combustion engines : en fr
  • US2338986A - Process and apparatus for separating dispersions of oil and water : en
  • FR889638A - Self-locking maneuvering and adjustment device, and objects, such as seats, ladders and the like incorporating this device : en fr
  • GB558534A - Improvements in or relating to the measurement of ratio and phase angle errors in voltage transformers : en
  • US2338969A - Empty-bottle rack : en
  • US2339169A - Projector : en
  • AU671642A - Improvements in or relating togas blast electric circuit breakers : en
  • DE744311C - Seating and reclining furniture that can be converted into a bed : de en
  • DE744141C - Device for monitoring devices in the basic and working position, especially for railway light signals : de en
  • DE744133C - Fermentation process and device, in particular for the production of yeast or other microorganisms : de en
  • DE744174C - Pair of knives for double-sided coal planers : de en
  • DE744439C - Suspension of the articulated coupling spindles of the rolls of rolling mills : de en
  • FR889546A - Removable assembly method of orthogonal parts, in particular of wood for beds, frames, etc. : en fr
  • GB558662A - Improvements in ball bearing devices : en
  • GB558520A - Means for loading a cannon or the like : en
  • DE744199C - Multiple rotary switches, especially package switches : de en
  • DE744193C - Coupling tap for compressed air brake lines : de en
  • AU646942A - Improvements in or relating to optical objectives : en
  • AU736242A - Frequency modulation receiver : en
  • FR889583A - Key security device : en fr
  • DE744376C - Process for the transmission of telegraphic characters in carrier flow telegraph systems : de en
  • FR889551A - Device for balancing weight for a photographic enlarger device : en fr
  • FR889524A - Azo dyes and a process for their production : en fr
  • DE744296C - Electron tubes : de en
  • GB558643A - Improvements in or relating to electric soldering apparatus : en
  • DE743986C - Process for the production of proteolytic defense ferments : de en
  • GB558623A - Improvements in apparatus for the preparation of contour lines and former and rib stations for the development of drawings in the production of aircraft, ships, boats, and the like : en
  • AU117975B2 - Means for automatically controlling an electrically driven winding gear : en
  • CA417740A - Hydrocarbon recovery : en fr
  • CA417748A - Hydrocarbon processing : en fr
  • CH230450A - Device for cleaning generator charcoal. : de en
  • CA417625A - Protective armor : en fr
  • FR889602A - Gas heater-mixer for explosion engines : en fr
  • GB558551A - Improvements in or relating to perfecting printing presses : en
  • FR889491A - Lifting and lowering device for working tools of agricultural machines and implements having their own undercarriage, in particular of machines capable of being steered : en fr
  • GB558589A - Darning device for use with sewing machines : en
  • US2338882A - Guano distributor : en
  • US2339228A - Dynamoelectric machine : en
  • US2338934A - Automatic tow bar for automotive vehicles : en
  • US2339038A - Higher alkyl acid ester production : en
  • GB558601A - Improvements in the manufacture of wrappers for needles, knitting pins or the like : en
  • DE744444C - Circulating furnace with a shut-off device that can be switched into the circulation path : de en
  • CA417746A - Welt feeding device : en fr
  • CH230478A - Kötzerspulmaschine. : de en
  • GB558622A - Improvements in electric regulators of the carbon pile type : en
  • FR889637A - Spinning wheel device adaptable to sewing or embroidery machines or other similar machines : en fr
  • GB558624A - Improvement in cloches : en
  • DE744354C - Method and device for the production of reinforced concrete pipes : de en
  • US2338786A - Fuel burner control system : en
  • US2338914A - Cross winding frame : en
  • FR889492A - Process for preparing reeds for obtaining spinnable fibers : en fr
  • FR889552A - Further training in contact converters : en fr
  • DE744155C - Arrangement for the electrical welding of metals with the help of a loose mass applied to the weld seam, into which a welding electrode is immersed, and method for carrying out the welding : de en
  • DE744186C - Process for the preparation of esters : de en
  • GB558663A - Improvements in and relating to propeller blades : en
  • DE743743C - Process for smoldering and coking all kinds of fuels in a nitrogen stream : de en
  • DE744417C - Process for producing a digitally-like-looking substance from the thymus : de en
  • FR889581A - Electromagnetic oscillating motor : en fr
  • FR889592A - Separation of ethyl chloride from mixtures containing it : en fr
  • CH230625A - Process for the preparation of a stilbene dye. : de en
  • US2338999A - Spring tire : en
  • DE744404C - Drive with steering for caterpillar vehicles : de en
  • DE744401C - Process for the production of polyvinyl chloride with a low degree of polymerization : de en
  • CA417629A - Electric locomotive drive : en fr
  • AU647042A - Improvements in or relating to heating appliances : en
  • AU648942A - Improvements in or relating tothe manufacture of nuts andother screwthreaded members : en
  • CH230451A - Air pump with electric drive, especially for indoor aquariums. : de en
  • US2339184A - Stabilization of aqueous dispersions of polymers of vinyl esters : en
  • DE744231C - Method and machine for blowing hollow glass bodies : de en
  • DK61796C - Opens for canned glass with rubber gasket. : da en
  • FR889575A - Fastening connector serving in particular to connect a propulsion mechanism or transmission mechanism of an airplane to the airframe or to a similar element : en fr
  • AU117929B2 - Improvements in and relating to bottle stoppers : en
  • FR889406A - Manufacturing process of polyfunctional carbamic acid derivatives : en fr
  • FR889511A - Propulsion device for land vehicles fitted with a torque transformer operating on the flow principle : en fr
  • CA417635A - Concrete mould stay system : en fr
  • CH230639A - Contact device on electrical machines and apparatus. : de en
  • DE743376C - Process for the refining of iron ores : de en
  • US2339054A - Coil unit : en
  • US2338862A - Container : en
  • US2339030A - Article conditioning shakeout tumbler : en
  • CH230510A - Process for the preparation of color photographic images. : de en
  • US2338809A - Batch meter : en
  • US2339212A - Boiler for steam cookers or the like : en
  • CA417719A - Plural lens mount : en fr
  • DE744367C - Process for cleaning up chlorine gas : de en
  • US2338781A - Method and apparatus for continuously casting metal : en
  • US2338965A - Operating mechanism for ventilating wings : en
  • CH230545A - Wrench with spring-loaded jaw insert. : de en
  • US2338698A - Disk harrow : en
  • CA417715A - Cup-shaped abrasive wheel : en fr
  • DK61794C - Screw button. : da en
  • US2338799A - Method for selectively plugging water sands : en
  • FR889462A - Direction finder for very short electric waves : en fr
  • CH230487A - Method and device for the production of shoe soles. : de en
  • US2338927A - Closing and clamping device : en
  • US2339052A - Electric circuit : en
  • US2338724A - Dam gate and operating apparatus : en
  • US2338881A - Reactivation of spent catalysts : en
  • DE744373C - Device for supplying power to electrically operated vehicles : de en
  • DE744161C - Tied gyro to determine angular acceleration : de en
  • DE744245C - Device for selecting and driving adding units on cash registers and similar machines : de en
  • US2339162A - Apparatus for washing clothes and other articles : en
  • US2338863A - Vulcanization of rubber : en
  • DK61799C - Drying element holder for bicycle lights. : da en
  • AU779842A - Improvements in and relating to bottle stoppers : en
  • CH230536A - Metal cutting tool for bores. : en fr
  • DE744351C - Pressure equalizer for the simultaneous pressing of several bodies from Zuendsaetzen, explosives, plastic masses o. : de en
  • DE744368C - Production of hydrogen chloride : de en
  • DE744232C - Method and device for the production of glass objects : de en
  • US2338830A - Chemical process and product : en
  • US2339066A - Process for the manufacture of : en
  • DE742426C - Purification of nickel carbonate : de en
  • US2339011A - Glider torpedo : en
  • US2338940A - Broaching machine : en
  • US2339174A - Socket pin : en
  • DE744248C - V-shaped 12 cylinder engine : de en
  • FR889403A - Stirring and beating machine for bakeries, etc., with change of speed of the beater for stirring and beating : en fr