- US2296894A - Apparatus for testing gears :
en
- US2297438A - Wood pulp grinder :
en
- US2296966A - Registering and computing mechanism :
en
- PL30908B1 - :
en
pl
- US2296990A - Backing shoe for surface finishing apparatus :
en
- US2297105A - Hospital bed :
en
- BE446821A - Process for preparing a pure paraffin sulfonate :
en
fr
- CA407656A - Baggage rack :
en
fr
- CH223496A - Process and device for the production of structures made of reinforced concrete. :
de
en
- DE725932C - Electrode salt bath furnace :
de
en
- US2297430A - Antenna insulator :
en
- DE725860C - Ship lift with floats arranged in the middle below the ship's trough :
de
en
- US2297541A - Printing device :
en
- US2297566A - Bird perch cleaner :
en
- PL30871B1 - :
en
pl
- DE725691C - Guiding of paired pressure rollers of drafting systems :
de
en
- DE725715C - Ring valve for two-stroke internal combustion engines :
de
en
- US2296879A - Refrigeration :
en
- US2297035A - Automatic toilet bowl ventilating system :
en
- US2297088A - Upholstery pad support for margins of spring cushion assemblies :
en
- US2297183A - Composition for waterproofing permeable material :
en
- US2297395A - Radio direction finding system :
en
- US2296895A - Lined container and method of packaging with same :
en
- CA407708A - Valve-actuating mechanism for engines :
en
fr
- US2296957A - Clutch and vibration balancer :
en
- FR875643A - Polyurethanes for acid dyeing :
en
fr
- US2296853A - Rail joint :
en
- US2296982A - Bobbin receptacle for looms :
en
- US2297194A - Ozone resistant cable insulation :
en
- US2297292A - Process for producing pour inhibitors for wax containing oils :
en
- USD133934S - Design fob a slip :
en
- US2296903A - Wrinkle eradicator :
en
- US2297530A - Silencer :
en
- CH223492A - Threshing machine with device for adjusting the concave. :
de
en
- DE725806C - Retrospective periscope :
de
en
- CA407619A - Railway car replacer :
en
fr
- US2297281A - Process for oxidizing nitrosyl chloride :
en
- DE725825C - Process for the preparation of carbocyanine dyes :
de
en
- CH223684A - Air hose for tires. :
de
en
- DE725831C - Lubricating oil delivery device for internal combustion engines :
de
en
- GB548142A - Improvements in or relating to supports or holders for cylindrical components and the like :
en
- GB548264A - Improved moulding materials :
en
- US2297584A - Refrigerator :
en
- BE446812A - Tuning device for radio receiver :
en
fr
- CH223713A - Process for the production of a vat dye. :
de
en
- CH223546A - Insulating, plastic, rot-proof and anticorrosive mass. :
en
fr
- US2297507A - Theodolite, particularly for moving objects :
en
- US2296885A - Electron discharge device :
en
- FR875626A - graduated scale for devices in message transmission systems :
en
fr
- US2297032A - Accordion :
en
- US2297100A - Carton for packaging and carrying blasting caps and the like :
en
- DE725803C - Device for constant automatic determination of the gas surplus with reducing gas heaters :
de
en
- US2297465A - Spring suspension for road vehicles :
en
- FR875763A - Toilet soap and usage :
en
fr
- USD133961S - Design for a textile fabric :
en
- US2297125A - Protein composition and foam abatement :
en
- US2297646A - Pugmill :
en
- CA407651A - Merchandise package :
en
fr
- US2297299A - Multiple-row planting attachment for tractors :
en
- US2297597A - Detachable gear head for valves :
en
- US2297459A - Apparatus for producing articles from artificial materials :
en
- US2297138A - Toy log loading device :
en
- US2297433A - Reduction gear attachment :
en
- US2297243A - Division mechanism :
en
- FR875456A - :
fr
- FR875747A - Mounting to adapt an antenna to a transmitter :
en
fr
- FR875708A - Electric vaporization device :
en
fr
- PL30861B1 - Dr. Erich F. Huth G. m. B. H "Berlin H Wj 0 IW A vacuum vessel with a glass bank and a non-fusible closure and the method of making such vessels :
en
pl
- US2297172A - Receiving apparatus for train communication systems :
en
- USD133928S - Design for a glove :
en
- CH223690A - Vehicle suspension. :
de
en
- US2296902A - Razor :
en
- DE725801C - Current collection device for magnet-electric alternators built into vehicle hubs :
de
en
- US2297107A - Electrically operated floor cleaner :
en
- US2296920A - Signal transmission circuit :
en
- US2297118A - Golf practicing device :
en
- US2296954A - Heel-nailing machine :
en
- US2297004A - Distillation of organic liquids :
en
- US2297253A - Machine for the automatic packing of shuttles and such like tools into cases :
en
- US2297325A - Adjustable support :
en
- CA407620A - Portable punch mechanism :
en
fr
- CA407736A - Post driving head :
en
fr
- DE725731C - Power-driven device for driving in fasteners :
de
en
- DK60180C - Procedure for the production of bone wax. :
da
en
- FR875556A - Fuel, absorbent, bleaching material and manufacturing process :
en
fr
- FR875682A - Jet carburettor with float chamber adjustment :
en
fr
- FR875753A - Solid fuel dispenser for gasifiers :
en
fr
- US2297017A - Tire mold structure :
en
- US2297068A - Signaling system :
en
- US2297410A - High frequency circuit :
en
- US2297442A - Filing system :
en
- PL30912B1 - :
en
pl
- US2297087A - Furniture construction :
en
- AU294941A - Improvements in or relating to electrical carrier wave signalling systems :
en
- CA407706A - Journal box lid structure :
en
fr
- DE725916C - Motor vehicle :
de
en
- DE725856C - Mold, especially for briquette extrusions like :
de
en
- DE725894C - Perforated disc, which consists of a thin disc supported by a thicker disc arrangement :
de
en
- FR875574A - Improvements to gasifiers :
en
fr
- USD133912S - Design fob a combined chimney, lamp
supporting structure, and lamps :
en
- FR875651A - Cooling air duct :
en
fr
- FR875800A - Folding seats and tables :
en
fr
- DE725858C - Chute dryer for grainy and lumpy goods :
de
en
- DE725705C - Rotary rubber printing machine for multi-colored printing of metal sheets :
de
en
- GB548232A - Improvements in or relating to adjustable set-squares and the like :
en
- CH223573A - Ammeter with windingless armature. :
de
en
- US2297513A - Transmission line :
en
- DE725693C - Process for the production of Portland cement-like hydraulic binders :
de
en
- DE725974C - Device for freezing :
de
en
- DE725971C - Process for the preparation of trimethylhydroquinone ethers :
de
en
- FR875693A - Improvements made to centrifugal dust separators :
en
fr
- DE725844C - Process for the preparation of ª ‰ íñª ‰ -diphenylaethylamines disubstituted on the nitrogen :
de
en
- FR875636A - Process for increasing the affinity of cellulose for dyes :
en
fr
- US2297564A - Manufacture of chlorinated aliphatic hydrocarbons :
en
- DE725881C - Enforcement punch for making a blind hole in metal parts :
de
en
- DE725907C - Setting gauge for the ignition of internal combustion engines :
de
en
- US2297146A - Unitary tube supporting band :
en
- US2297069A - Apparatus for mixing viscous material with stock feed :
en
- US2297535A - Governing valve for prime movers :
en
- US2297479A - Beam for cultivating attachments :
en
- CA13353S - Combined air nozzle and gauge for tires :
en
- CA407683A - Garment hanger :
en
fr
- DE725785C - Centrifugal drum :
de
en
- DE725852C - Means for deleting and preventing light metal burns that can arise during the machining of light metals and the storage of light metal waste :
de
en
- US2297269A - Test stand for internal combustion engines :
en
- US2297300A - Process for the granulation of crystalline materials :
en
- GB548171A - Improvements in or relating to electrical proportional control systems :
en
- AU489242A - Granular coated articles and their manufacture :
en
- CH223524A - Process for the production of artificial fibers and threads from protein. :
de
en
- CH223724A - Floatable motor vehicle. :
de
en
- US2297002A - Pressure container :
en
- US2297152A - Automatic radio tuning control :
en
- US2297030A - Electrically operated tank heater :
en
- DE725862C - Process for producing a food rich in protein and vitamins :
de
en
- US2297361A - Air operated instrument :
en
- GB548255A - Improvements in or relating to photographic objectives :
en
- FR875560A - Echo distance measuring system :
en
fr
- USD133951S - Design for a savings bank or similar :
en
- DE725714C - Device for lubricating and sealing the piston rings of internal combustion engines :
de
en
- DE725897C - Process for the production of commutators with segments embedded in molded material :
de
en
- US2296929A - Variable speed mechanism :
en
- GB548246A - Improvements in apparatus for drilling diamonds and like purposes :
en
- DE725892C - Pantographs for electrically powered vehicles :
de
en
- DK60189C - Potato harvester. :
da
en
- USD133939S - Design for a woven elastic fabric :
en
- US2297375A - Container :
en
- DE725822C - Process for converting an incongruently melting salt hydrate into lump form :
de
en
- FR875784A - Wood charcoal oven with recovery of by-products :
en
fr
- GB548162A - Improvements in or relating to self interrupters :
en
- US2297277A - Chain swivel :
en
- GB548191A - Improvements relating to the generation of modulated high frequency oscillations :
en
- GB548268A - Improvements in and connected with sole plates, rail chairs and the like for railroad tracks :
en
- US2297224A - Seat :
en
- US2297313A - Light reflecting device :
en
- USD133927S - Design fok a glove :
en
- FR875595A - Capacitor switch for disconnection under load of high voltage direct current lines :
en
fr
- US2297436A - Arrangement for testing the frequency characteristic of electric transmission devices :
en
- DE725737C - Process for repairing the gauges of rolling mills :
de
en
- GB548139A - Improvements in apparatus for disinfecting blankets, bedding, equipment and the like :
en
- US2296936A - Airport lighting and traffic control system :
en
- AU115871B2 - Improvements in arched roof construction :
en
- CA407737A - Recording and controlling system :
en
fr
- CH223505A - Briquetting machine. :
de
en
- CH223552A - System for cleaning objects contaminated with grease, oil, etc. :
de
en
- US2297043A - Dump scow :
en
- US2297131A - Toy railroad track switch :
en
- US2297206A - Nitrogenous textile fiber :
en
- US2297234A - Fuel pump regulation :
en
- CH223567A - Drive device for counters, in particular manual speed counters. :
de
en
- DE725993C - Oxygen breathing apparatus with audible warning device :
de
en
- GB585209A - Improvements in high frequency electrical oscillators :
en
- DE725690C - Lock, especially for main and secondary keys :
de
en
- DE725868C - Expansion joint for hot chimneys, absorption, washing u. like towers :
de
en
- FR875703A - Connection device for removable furniture elements and other applications :
en
fr
- DE725303C - Process for sensitizing photographic silver emulsions :
de
en
- US2297178A - Inhaler container :
en
- DE725904C - Load pressure brake :
de
en
- DE725632C - Method and device for the continuous bleaching of fibrous materials :
de
en
- DE725933C - Movable bridge :
de
en
- US2297590A - Necktie fastener :
en
- US2297619A - Motor coupling :
en
- CH223602A - Internal combustion engine. :
de
en
- CH223554A - Envelope. :
de
en
- CH223591A - Disc spring with centering. :
de
en
- US2297115A - Adjustable false bottom :
en
- US2296873A - Hog scraper-beater :
en
- GB548179A - Improvements in or relating to bundling or gripping devices :
en
- FR875731A - Process for the production of metallic manganese and optionally pure manganese dioxide, starting from manganese ores :
en
fr
- GB548261A - Air mine :
en
- FR875579A - Air-cooled thermal engine with variable compression for gas operation :
en
fr
- FR875617A - Work clothes :
en
fr
- DE725738C - Automatic liquid shut-off device, especially for fuel filters :
de
en
- DE725954C - Process for the production of jewelry :
de
en
- DE725865C - Telex receiver :
de
en
- US2296934A - Edging machine :
en
- CH223542A - Method for bonding materials. :
de
en
- CH223697A - Small motor drive for bicycles. :
de
en
- USD133956S - Hurricane lamp adapter for candlesticks or similar article :
en
- DE725608C - Process for the pressure extraction of coals :
de
en
- DE725957C - Process for the production of printing forms for sound recordings in serrated script :
de
en
- ES151286A1 - A NEW GASOGEN FOR ALL KINDS OF INTERNAL COMBUSTION ENGINES AND FOR DIFFERENT COMBUSTIBLES :
en
es
- US2297076A - Brake controlling mechanism for automobiles :
en
- US2297669A - Electrolytic condenser :
en
- DE725736C - Elastic woven band for bandage purposes :
de
en
- US2296883A - Method of making inlet valves for refrigerating compressors :
en
- US2297418A - Valve mechanism for steam plants :
en
- AU115867B2 - Improvements relating to blow lamps andthe like :
en
- US2297639A - Shampoo pad :
en
- FR875648A - Arrangement of powertrains in multi-engine airplanes :
en
fr
- CH223529A - Method for tensioning and keeping fabrics tensioned when working, in particular when darning or embroidering, with the sewing machine and device for carrying out the method. :
de
en
- AU115891B2 - A process forthe extraction of components from solid mixtures :
en
- DE725796C - Device for winding a wire screw into a pack of sheets of paper perforated parallel to its back :
de
en
- US2297259A - Hydrodynamic power transmission :
en
- US2297376A - Internal combustion engine :
en
- CA407632A - Hot pad :
en
fr
- DE725890C - Laterally outside the wheel plane, spring-loaded sliding pieces for three-axle bogies :
de
en
- DE725895C - Amplifier for a large frequency range :
de
en
- CH223499A - Building construction with reinforced concrete body. :
de
en
- US2297645A - Process of and apparatus for extruding plastic sheets :
en
- US2297659A - Electrical transformer :
en
- CH223531A - Insert to stiffen the end parts of soft and semi-soft collars. :
de
en
- US2297658A - Organic arsenic compound-bearing lubricants :
en
- DE725888C - Tram car with handlebar connection between the body and the bogie :
de
en
- CA407694A - Rivet press :
en
fr
- CH223593A - Variable diameter pulley. :
en
fr
- US2297527A - Safety match book :
en
- FR875717A - Distribution board :
en
fr
- PL30924B1 - :
en
pl
- PL30931B1 - Ruhrhandel G. m. B. H., Hagen-Haspe i. W. "* P 3 ^ ° l ^ Mine carts with a large loading depth :
en
pl
- US2297489A - Toy driving wheel :
en
- DE725961C - Device for removing harmful gases from closed rooms, pipelines, etc. like :
de
en
- DE725882C - Feed device for strip material on presses :
de
en
- AU115896B2 - Improvement in and relating to producer gas units :
en
- CA407695A - Vehicle spring suspension :
en
fr
- CH223599A - Blade lock on axially loaded rotor blade rings of steam or gas turbines. :
de
en
- DE725677C - Process for the production of shaped, elastic structures from polyvinyl chloride plastics :
de
en
- FR875656A - Process for impregnating wood of all types and products thus obtained :
en
fr
- US2297525A - Film guide :
en
- US2297626A - Valve operating electromagnet :
en
- US2297067A - Egg cleaning machine :
en
- USD133933S - Design for a slip :
en
- DK60199C - Ventilation device at Water closets with flushing pipes. :
da
en
- US2296911A - Nitroglycerin resistant plastic container :
en
- DK60193C - Vehicle frame, in particular for Motor Vehicles. :
da
en
- FR875729A - Device for establishing pilot bands controlling the command of one device by another :
en
fr
- CH223557A - Device for attaching a film end to a film spool. :
de
en
- DE725762C - Cooling water centrifugal pump with several pressure levels for internal combustion engines :
de
en
- DE725952C - Process for the production of Schweinfurtergruen suitable for pest control :
de
en
- FR875798A - Polymerized vinyl chloride gelatinized pastes and films :
en
fr
- DE725647C - Device for conveying and upsetting filled flour bags, sachets or the like. :
de
en
- DE725724C - Autonomous spindleless Koetz winder :
de
en
- DE725773C - Mobile and portable conveyor device :
de
en
- CA407613A - Knife sharpener :
en
fr
- GB548263A - Manufacture of polymeric materials :
en
- US2296965A - Retort discharge mechanism :
en
- US2297480A - Centrifugal piston clutch :
en
- CA407693A - Hollow staybolt :
en
fr
- PL30878B1 - :
en
pl
- DE725945C - Preparations for the care of the skin and for rendering odorless :
de
en
- US2296865A - Autographic register :
en
- FR875622A - Device for reducing the slope of the anode current :
en
fr
- GB548234A - Improvements in and relating to the manufacture of paper pulp :
en
- CA407724A - Visual colour comparator :
en
fr
- US2296825A - Slider for slide fasteners :
en
- US2297329A - Wide-band antenna array :
en
- USD133963S - Brooch or similar article :
en
- FR875715A - Method of current limiting by means of voltage dependent resistors :
en
fr
- GB548229A - Improvements in or relating to corsets, corselettes, foundation garments and bathing suits :
en
- DE725911C - Flash lamp :
de
en
- DE725841C - Process for the production of a gap filter :
de
en
- DK60185C - Stiffening apparatus for cherries and similar stone fruits. :
da
en
- DE725666C - Rotor winding for synchronous and asynchronous AC machines :
de
en
- US2296884A - Method of coating :
en
- US2296918A - Apparatus for examining ropes :
en
- US2297668A - Electric compensator :
en
- DK60177C - Process for the Preparation of 13-Methylphenanthrene-14-Monocarboxylic Acids of Compounds of the Eastern Strain. :
da
en
- FR875787A - Process for manufacturing surface products from emulsions of vinyl polymers or with these emulsions :
en
fr
- FR875669A - Process for preparing amines :
en
fr
- GB548194A - Improvements in and relating to boilers :
en
- FR875571A - Automatic coffee maker :
en
fr
- GB548227A - Improvements in or relating to stationery feed devices for machines embodying typewriter mechanism :
en
- GB548273A - Improvements in sound reproducing and receiving devices :
en
- US2297202A - Transmission and/or the reception of electromagnetic waves :
en
- FR875732A - Process for preparing metal surfaces before electrolytic coating :
en
fr
- US2297497A - Spraying process and apparatus :
en
- GB585208A - Improvements in high frequency electrical oscillators :
en
- US2297580A - Process for the manufacture of carboxylic acids of the cyclopentanopolyhydro-phenanthrene-series and their derivatives :
en
- DE725754C - Heat-resistant methacrylic acid methyl ester polymers :
de
en
- DE725920C - Roller drill :
de
en
- USD133903S - Design for a shoe :
en
- PL30894B1 - Paul Rado, Budapest Boiler for cooking linen :
en
pl
- US2297396A - High pressure hydraulic piston packing :
en
- PL30900B1 - Device for separating gas or vapor from a flowing liquid :
en
pl
- US2297235A - Control for supercharged engines :
en
- US2297633A - Refrigerating apparatus :
en
- PL30901B1 - Machine for the production of patterned covered knitted fabrics using a two-cylinder knitting machine with cylinders placed one above the other :
en
pl
- FR875640A - Watering device for laundry cooking boiler :
en
fr
- US2296845A - Telegraph transmitting system :
en
- US2297574A - Card display device :
en
- US2297533A - Cross t connection :
en
- USD133967S - Design for an earring :
en
- US2296991A - Electrical switch :
en
- US2297024A - Diarylsulphone derivatives :
en
- US2297603A - Motion picture camera :
en
- US2297635A - Stereotype mat :
en
- GB548214A - Improvements relating to coupling hooks :
en
- US2297482A - Portable radio equipment :
en
- ES151283A3 - A PROCEDURE FOR THE PRODUCTION OF ALL KINDS OF DRAWINGS ON GLASS OR GLASS SUPPORTS OR SUPPORTS :
en
es
- FR875612A - Process for manufacturing wire-shaped metal electrodes with a core :
en
fr
- USRE22192E - Device for supporting tires in :
en
- GR9985B - DENTAL CEMENT. :
el
en
- FR875783A - Process for the extraction of oily materials and by-products of cellulosic origin :
en
fr
- US2297055A - Twisting machine :
en
- US2297267A - Method of connecting structural parts or plates by means of staples :
en
- DE725988C - Counter for typewriters :
de
en
- CH223603A - Charge group. :
de
en
- CH223723A - Flicker light advertising device. :
de
en
- FR875765A - Tanning product :
en
fr
- US2296890A - Machine for making abrasive disks :
en
- US2297348A - Heat treating of milk products :
en
- US2297605A - Transformer :
en
- FR875667A - Soldering iron tip :
en
fr
- DE725746C - Arrangement for the generation of ultrashort waves in a feedback circuit :
de
en
- GB548167A - Improvements in and relating to piston pumps :
en
- US2297520A - Process for the production of :
en
- PL30904B1 - :
en
pl
- DE725946C - Casting mold for the production of heavy castings from higher melting metals :
de
en
- US2297549A - Method of applying cement coating :
en
- DE725842C - Process for the production of polyhydric alcohols :
de
en
- CH223506A - Compressed air vibrators, especially for vibrating centrifugal molds. :
de
en
- CH223721A - Three-dimensional engraving or Copy milling machine. :
de
en
- US2297257A - Alternating current discharge lamp :
en
- US2297343A - Plate-riding device :
en
- US2297502A - Treatment of dried peas :
en
- US2296947A - Expansible cartridge :
en
- GB548205A - Improvements in the purification of gelatine and other substances :
en
- US2297414A - Direction finding system :
en
- FR875712A - Manufacturing process of synthetic fibers, films, films and sheets :
en
fr
- US2297290A - Synthetic rubberlike composition :
en
- US2297421A - Cooled injection nozzle :
en
- GB548198A - Improvements in and relating to platen-carriages for typewriters :
en
- FR875684A - Jet carburettor whose braking air is supplied through a spongy body :
en
fr
- FR875744A - Needle control pull cord device of radio receiver tuning device :
en
fr
- FR875720A - Esters of non-dyeing sulfurization products of phenols and process for their preparation :
en
fr
- FR875623A - Electrical measuring instrument intended to be adapted to an electromagnet :
en
fr
- DE725827C - Twin motor drive for winches :
de
en
- FR875738A - Apparatus for controlling the nature of the surface of bodies :
en
fr
- FR875759A - Whey-based food product :
en
fr
- US2296824A - Liquid purifying apparatus :
en
- US2296876A - Aircraft fuel system :
en
- US2297016A - Water heater control system :
en
- US2297662A - Tube cleaner motor :
en
- US2297198A - Chassis frame :
en
- CH223538A - Process for the preparation of a new hydrazine derivative. :
de
en
- US2297279A - Duct-enclosed bus structure :
en
- CA407646A - Paper stock hydrator :
en
fr
- CA407700A - Plastic casting device :
en
fr
- BE446834A - :
en
fr
- CH223715A - Process for the production of a high molecular weight mixed polymer from chloroprene and vinyl acetate. :
de
en
- CH223535A - Process for the production of acrylonitrile. :
de
en
- CA407611A - Pumping apparatus :
en
fr
- CH223504A - Process and system for heating individual buildings or building groups using hot water. :
de
en
- FR875572A - Articulated or elastic sole for shoes :
en
fr
- FR875735A - Film cartridge on reels :
en
fr
- CH223571A - Method for expanding the frequency range of measuring and control devices with vibrating reeds, in particular reed frequency meters. :
de
en
- US2296869A - Dual distributor :
en
- US2297387A - Optical indicator for road signaling :
en
- DE725699C - Process for the production of partial copies of multicolored pictures :
de
en
- GB548212A - Improvements in or relating to the production of interpolymers of heat blended oil varnishes and polymerisable esters :
en
- DE725694C - Process for the production of a non-hygroscopic, powdery mixture of water glass and calcined soda :
de
en
- US2297589A - Safety apparatus for mine vehicles :
en
- US2297642A - Planter :
en
- DE725747C - Circuit arrangement for the protection of power lines against operational disturbances :
de
en
- DE725808C - Device for feeding the fuel into the spiral of a charger in internal combustion engines :
de
en
- FR875652A - Aerodynamic brake for aircraft :
en
fr
- US2297534A - Distance measuring device :
en
- GB548146A - Improvements in or relating to the shaping of shoe soles :
en
- USD133917S - Brooch or similar article :
en
- USD133942S - Design for a dress :
en
- FR875630A - Winder or unwinder shaft for clamping round tubes :
en
fr
- GB548148A - Improvements relating to thermionic oscillation generators :
en
- CH223560A - Equipment for coupling two skis to make a vehicle for transporting loads or people. :
en
fr
- DE725732C - Tool holder :
de
en
- CH223564A - Spirit level. :
de
en
- FR875620A - Aircraft dome tile :
en
fr
- GB548158A - Improvements in or relating to stereoscopic optical systems :
en
- CH223619A - Safety device on cooling systems. :
de
en
- DE725950C - Toilet paper containers used to hold horizontally stacked, folded individual sheets :
de
en
- US2297495A - Ventilation of altitude cabins, in particular for aircraft :
en
- CA407628A - Straw briquette manufacture :
en
fr
- CH223680A - Dust protection device on pressure cylinders, in particular for pressure medium brakes in motor vehicles. :
de
en
- FR875688A - Process for making fabrics slip-resistant and for ensuring sturdy knitwear :
en
fr
- FR875691A - Underwater orientable device for the transmission of sound waves or others :
en
fr
- US2296875A - Slow-motion drive for centrifugal casting machine :
en
- US2297181A - Glass supporting apparatus :
en
- US2297327A - Bracket for curtain rods :
en
- US2297427A - Ultra-short wave directive antenna :
en
- USD133901S - Design fob a bug :
en
- AU115866B2 - Improvements in gas cleaners :
en
- US2297140A - Chuck :
en
- US2297477A - Fluid seal :
en
- USD133953S - Design for a novelty toy :
en
- CH223692A - Device on a bicycle for applying a brake. :
de
en
- US2296930A - Incubator :
en
- CH223601A - Blade carrier designed as a disk for radially loaded centrifugal machines. :
de
en
- FR875575A - Electric pocket torch :
en
fr
- GB548156A - Improvements in sliding clasp fasteners :
en
- GB548242A - Granulating agent for use in preparing synthetic resins :
en
- USRE22185E - Boiler :
en
- US2296877A - Dental impression material and method for forming same :
en
- US2297583A - Material handling device :
en
- PL30917B1 - :
en
pl
- DE725745C - Directional microphone arrangement provided with sound amplification means :
de
en
- DE725925C - Hand tool for tillage :
de
en
- PL30862B3 - :
en
pl
- US2297355A - Pressure fluid engine control :
en
- US2297469A - Clamping member for two-part iron mine stanchions :
en
- USD133964S - Design for a pin clip :
en
- CH223494A - Vessel for scooping up and distributing liquids. :
de
en
- CA407661A - Blue-print coating :
en
fr
- FR875557A - Automatic rod and handle lock :
en
fr
- FR875758A - Mounting of a rotating axis inside a sleeve or housing :
en
fr
- US2297010A - Saw filing device :
en
- US2297159A - Garment :
en
- CA407750A - Ski-skate :
en
fr
- US2297191A - Illuminated stand :
en
- US2297337A - Method of making hollow blocks :
en
- CH223523A - Process for the production of artificial fibers, threads, etc. :
de
en
- DE725774C - Two-wheeled handcart :
de
en
- US2297112A - Piston ring :
en
- US2297116A - Two cycle supercharged opposed gas engine :
en
- US2297529A - Rotary motor :
en
- US2297655A - Piston :
en
- CH223609A - Electric starter system on tractor. :
de
en
- DE725767C - Impregnated blank of paper, cardboard, cardboard or the like and its production :
de
en
- BE446725A - :
en
fr
- CA407730A - Motor fuel :
en
fr
- CH223514A - Hotplate. :
de
en
- DE725776C - Device on bicycles and motorcycles for inserting the air pump :
de
en
- US2297203A - Means for controlling the operation of vapor generators :
en
- DE725604C - Process for the cracking or pressure hydrogenation of carbonaceous fuels :
de
en
- US2296858A - Combined truck and trailer :
en
- US2297403A - Contact system :
en
- BE446818A - :
en
- CH223562A - Percussion fuze for rotating projectiles. :
en
fr
- CA407710A - Chemical compound :
en
fr
- US2297154A - Beverage mixer :
en
- US2297494A - Photographic camera :
en
- FR875658A - Auto Car Theft Security Device :
en
fr
- AU295041A - Electro-optical pickup device for use insound reproducing systems :
en
- CH223616A - Control device for base load machines. :
de
en
- US2296948A - Plastics manufacture :
en
- DE725872C - Process for the production of halogen silver emulsion layers for single or multi-layer color photographic material :
de
en
- US2297126A - Directional tuning indicator :
en
- US2297487A - Injector for internal combustion engines :
en
- US2297622A - Manufacture of rubber thread :
en
- USD133947S - Design for a toy missile or similar
article :
en
- PL30859B1 - Device for automatic preservation of the constant power of the combustion engine in drives with electric power transmission :
en
pl
- US2297569A - Height block :
en
- CH223716A - Measuring device for internal measurements. :
de
en
- DE725903C - Coffee or tea brewing device with a liquid container placed in an insulated jacket :
de
en
- DE725935C - Circuit arrangement in direct current main current motors for driving vehicles, in particular electric carts :
de
en
- CA407639A - Portable salamander :
en
fr
- US2297199A - Device for receiving, conveying, or transporting bulky objects :
en
- US2297429A - Cathode ray tube :
en
- US2297005A - Relief printing press :
en
- USD133913S - Design for an airplane :
en
- CA407660A - Blue-print coating :
en
fr
- FR875686A - Electric musical instruments :
en
fr
- AU115881B2 - Improvements in electric torches and similar appliances :
en
- US2297435A - Fuel consumption indicating device :
en
- US2297472A - Phase connection for mechanical rectifiers :
en
- US2297674A - Voltage regulator :
en
- BE446846A - Method for driving wire mesh and removing excess flux for galvanizing and the like :
en
fr
- DE725807C - Cylinder attachment for internal combustion engines :
de
en
- CH223598A - Rotating two-stage compressor. :
de
en
- CH223621A - Electric motor with commutator for driving hand machine tools. :
de
en
- US2297390A - Splined connection :
en
- BE446693A - Process for the production of dicarboxylic acids :
en
fr
- DE725760C - Reversing device for internal combustion engines :
de
en
- DE725936C - Automatic switchgear control with current monitor, especially for motors of electrically powered vehicles operated in series-parallel connection :
de
en
- GB548215A - Improvements in or relating to plug gauges or the like :
en
- CA407643A - Automatic bobbin winder :
en
fr
- US2297567A - Hot water or steam boiler :
en
- FR875564A - Pitch variation control device on two propellers of the same axis with opposite directions of rotation :
en
fr
- FR875599A - Dew point hygrometer :
en
fr
- FR875609A - Diamond grinding tool, grinding apparatus and method of grinding a wheel with this diamond tool :
en
fr
- US2297522A - Generation of saw-tooth synchronized voltages :
en
- CH223497A - Process for the production of walls with reinforced concrete framework. :
de
en
- CH223512A - Device for purifying gas by washing. :
de
en
- CH223720A - Three-dimensional engraving or Copy milling machine. :
de
en
- US2297557A - Fungicidal derivatives of acetanthranilic acid :
en
- US2296835A - Differential type pneumatic piston pump :
en
- CH223678A - Vehicle with a body that can be tilted in different directions. :
de
en
- FR875675A - Fluids for brakes, shock absorbers and hydraulic transmissions :
en
fr
- DE725686C - Device for optical photometry in projection copiers by means of a comparative luminous surface :
de
en
- US2296866A - Aluminum alloy :
en
- US2297505A - Method for the operation of fully automatic presses for artificial substance :
en
- DE725983C - Method for cleaning a coal-fired boiler system :
de
en
- GB548248A - Improvements in or relating to the manufacture of transparent papers and artificial fibres :
en
- CH223631A - Distance protection device. :
de
en
- GB548207A - Improvement in brakes :
en
- FR875797A - Polymerized vinyl chloride pastes and films :
en
fr
- US2297371A - Refrigeration :
en
- USD133962S - Design fob a textile fabric :
en
- DE725723C - Trigger mechanism on automatic firearms with advance firing :
de
en
- GB548208A - Improvements in or relating to internal shoe drum brakes :
en
- CA407755A - Rigid container :
en
fr
- DE725899C - Attachment of carbon brush holders :
de
en
- FR875706A - Carrier intended more particularly for coal mines :
en
fr
- FR875663A - Device to improve the distribution of tension along the windings :
en
fr
- GB548164A - Improvements in or relating to key rings, links and like articles :
en
- PL30916B1 - :
en
pl
- US2296833A - Input air or gas control valve for cased wells :
en
- FR875628A - Process for the production of a particularly active distillation coke which is resistant and suitable for storage :
en
fr
- FR875690A - Closure for tools intended for hot shaping and autogenous welding under pressure of metal parts, in particular of light metal, by the thermo-hydraulic way in a pressure chamber :
en
fr
- US2297540A - Prevention of ice formation :
en
- US2297013A - Method of making t's of metal tubing :
en
- US2297200A - Liquid cooled condenser :
en
- US2297248A - Porous materials and process of making :
en
- US2297254A - Typewriter and like machine :
en
- US2296831A - Safety slide fastener :
en
- FR875660A - Machine for cleaning utensils used for preparing cheeses, in particular clisses :
en
fr
- FR875677A - Coil changer for winders without spindles :
en
fr
- DE725782C - Device for the production of a warpable sliver from endless synthetic threads :
de
en
- PL30898B3 - :
en
pl
- DE725948C - Seating or lying area for deck chairs, day beds or the like. :
de
en
- FR875653A - Compressed glass foot for discharge containers :
en
fr
- US2297001A - Self-priming centrifugal pump :
en
- DE725910C - Process for the production of animal feed containing protein and hormone-like active substances :
de
en
- US2297129A - Pressure regulating valve :
en
- US2297508A - Rotor for turbines :
en
- CH223707A - Process for the preparation of a green chromating dye. :
de
en
- CH223719A - Process for the production of steel alloys with high creep strength at temperatures above 500ºC. :
de
en
- USD133935S - Design for a slip :
en
- US2297034A - Process of crystallizing urea :
en
- GB548243A - Improvements relating to covers for pouring apertures of containers for liquids :
en
- GB548165A - Improvements in and relating to tyre connectors :
en
- US2296975A - Engine starting mechanism :
en
- US2297218A - Loud-speaker :
en
- FR875566A - Chopper knife :
en
fr
- PL30883B1 - A digital plate, especially for the marking of barrels :
en
pl
- DE725915C - Device for making instruments that are outside the pilot's field of vision visible :
de
en
- DE725991C - Device on swiveling jaws for the quick exchange of stocked tool carriers with tools already set in relation to the working axis :
de
en
- DE725840C - Method and device for feeding and aligning sheets on the saddle of book stitching machines :
de
en
- DE725941C - Device for remote setting of the tuning means of devices for wireless communication :
de
en
- US2297312A - Security holder for keys and valuables :
en
- US2297399A - Internal combustion engine fuel injector :
en
- US2297409A - Quartz oscillator :
en
- US2297483A - Elastic connecting link :
en
- DK60196C - Electromagnetic Floating Body for Inactivation of Magnetic Mines. :
da
en
- FR875603A - Improvement of the envelopes of portable dust extractors :
en
fr
- DE725766C - Self-adhesive postcard :
de
en
- DE725839C - Device for installing and removing as well as for cooling and greasing the mandrels intended for tube rolling mills :
de
en
- US2297096A - Machine for operating on ribbon material :
en
- DE725937C - Arrangement for converting an alternating current into a sequence of direct voltage or sensing current pulses of the same frequency :
de
en
- DE725919C - Single-axis mobile carriage frame :
de
en
- FR875563A - Tester for checking threads :
en
fr
- FR875730A - Process for the purification of metallic manganese :
en
fr
- US2296979A - Automatic variable speed control apparatus :
en
- US2297157A - Drill :
en
- PL30902B1 - Gewerkschaft Eisenhiitte Westfalia, Lunen in Westphalia, Screw hopper, especially for mining :
en
pl
- US2297266A - Lecher wire system :
en
- US2297275A - Refrigeration :
en
- US2297426A - Device for the manufacture of zippers :
en
- GB548155A - Improvements in or relating to centrifugal separators :
en
- GB548182A - Improvements in and relating to thermally controlled electric switch devices :
en
- FR875576A - Improvements made to the gasifier supply piping :
en
fr
- USD133940S - Wrapping paper or similar article :
en
- US2296856A - Manufacture of cellulose derivatives and of artificial filaments, films, and other shaped articles therefrom :
en
- GB548272A - Improvements in or relating to de-icing devices for propeller blades :
en
- US2297012A - Apparatus for illustrating economics :
en
- US2297209A - Polishing apparatus :
en
- US2296944A - Television receiver :
en
- US2297147A - Synthesis of carbon-halogenated alkyl amines :
en
- DE725763C - Method for operating internal combustion engine systems equipped with an exhaust gas turbine fan and an exhaust gas turbine that delivers useful power :
de
en
- DE725846C - Process for generating inductive reactive power or for improving the power factor in inverters, in particular arc inverters (Marx inverters) :
de
en
- DE725764C - Machine for manufacturing and inserting box handles into box parts :
de
en
- DE725870C - Device for conveying fuel :
de
en
- FR875683A - Jet carburettor whose jet opens into a spray tube which is introduced from the side of the air inlet into the air cone, is open on both sides and has an inlet between the nozzle and the outlet side additional air :
en
fr
- FR875615A - Process to improve condensation products :
en
fr
- GB548177A - Improvements in the manufacture of stiffened fibrous materials and articles composed thereof :
en
- US2297244A - Circular rolling press for briquetting fine coal and the like :
en
- USD133959S - Design fob a dress :
en
- DE725788C - Closure flap for the removal opening of self-sellers :
de
en
- CA407629A - Folding deck chair :
en
fr
- US2297552A - Arch support :
en
- US2297588A - Separation of phenols and alkylated products thereof :
en
- US2297623A - Slide lock for fish stringers :
en
- FR875606A - Process for matting artificial fibers :
en
fr
- US2297515A - System for landing aircraft :
en
- GB548160A - Improvements in or relating to stereoscopes :
en
- GB548170A - Improvements in or relating to wheels :
en
- AU259941A - Improvements in or relating to nailing machines :
en
- CH223628A - Pneumatic drive for electrical switches. :
de
en
- ES151282A1 - A PURCHASER FOR CENTRIFUGATION OF GASES DESTINED TO THE ENGINE FEEDING :
en
es
- US2297040A - Structural unit :
en
- US2297461A - Television transmission system :
en
- US2296984A - Apparatus for forming concrete domes :
en
- AU115875B2 - Improvements in windows ofthe double casement type :
en
- CH223491A - Swath control connected to a pulling device with fork-shaped work tools. :
de
en
- US2297208A - Bobbin or sleeve :
en
- FR875751A - Plastic material and its manufacturing process :
en
fr
- GB548150A - Improvements in or relating to the production of alkyl, aralkyl and arylacyl organic compounds containing divalent sulphur :
en
- DE725830C - Arrangement for simultaneous magnetic recording and pick-up of vibrations :
de
en
- US2297362A - Cutting bit :
en
- US2296870A - Sound recording and reproducing :
en
- US2296970A - Fluid mixer :
en
- US2297114A - Treatment of gasolines :
en
- PL30907B1 - :
en
pl
- DE725711C - Process for making stereophonic needle-tone recordings :
de
en
- DE725802C - Solvent :
de
en
- DE725884C - Process and apparatus for the preparation of aliphatic amines :
de
en
- USD133919S - Design for a brooch or similar
article :
en
- ES151285A1 - A NEW PROCEDURE TO PRODUCE PRESSURE AIR, USING THE FAN OF THE CONVENIENTLY MODIFIED FAN OF THE INTERNAL COMBUSTION ENGINES THAT HAVE IT OR CAN HAVE IT :
en
es
- FR875752A - Mounting device for bicycle auxiliary motor :
en
fr
- DE725874C - Gearbox for wiper motors for vehicles :
de
en
- DE725997C - Safety device for shutters :
de
en
- US2297109A - Carburetor :
en
- US2297120A - Device for gluing multi-ply products :
en
- USD133966S - Design fob a bracelet :
en
- FR875791A - Advanced process for refining lubricating oil distillates :
en
fr
- US2296969A - Liquid responsive system :
en
- CH223551A - Process for metallizing objects, in particular for aluminizing iron objects. :
de
en
- FR875646A - Device for uniformly illuminating surfaces, including vehicle registration plates :
en
fr
- CA407621A - Airplane landing ski :
en
fr
- CH223574A - Sound film with a recording in string script. :
de
en
- US2296916A - Combined wild grass root and grass extracting tool and hoe :
en
- BE446711A - :
en
nl
- CH223671A - Method and device for wrapping objects, in particular chocolates. :
de
en
- US2296963A - Lead pigment :
en
- US2297084A - Electric reciprocating motor :
en
- USD133900S - Design for a meat block :
en
- USD133965S - Design for a necklace :
en
- US2297135A - Treated textile material :
en
- US2297596A - Direct-acting operation check :
en
- US2297651A - Chewing gum base :
en
- CH223582A - Method and machine for soldering a tear-off element to the lid of a tin can. :
de
en
- CA407729A - Oil well improving method :
en
fr
- DE725708C - Circuit arrangement for telephone systems with dialer operation :
de
en
- DK60181C - Sealant for rubber hoses. :
da
en
- CA407697A - Thresher construction :
en
fr
- US2297524A - Color television system :
en
- CH223528A - Electric chain thread monitor for looms. :
de
en
- CH223584A - Grease pad sealing on compressed air supply devices for rotating chucks or the like of machine tools. :
de
en
- CH223487A - Coupling device, in particular for attaching agricultural machines and implements to a tractor. :
de
en
- PL30910B1 - :
en
pl
- US2297422A - Shifting device for stepped gear drives :
en
- US2296847A - Machine for operating on insoles :
en
- US2296950A - Oven cabinet, shelf, and door :
en
- BE446680A - :
en
- CH223547A - Process for the production of artificial structures from linear, superpolymeric condensation products. :
de
en
- PL30929B1 - :
en
pl
- US2297073A - Slug casting machine quadding and centering device :
en
- US2297240A - Liquid lens, particularly for motor cars :
en
- US2297648A - Mandrel :
en
- CA407624A - Self steering mechanism :
en
fr
- CH223687A - Pump for bicycles. :
en
fr
- CH223490A - Additional equipment on binding mowers for harvesting long cuttings. :
de
en
- CA407685A - Container sealing machine :
en
fr
- CH223550A - Moving device for the wire or rod-shaped material to be atomized from spray guns. :
de
en
- AU409742A - A process forthe extraction of components from solid mixtures :
en
- PL30915B1 - :
en
pl
- FR875670A - Vehicle speed variation indicator :
en
fr
- US2297103A - Electrically heated tool :
en
- US2297503A - Process of detoxicating castor pomace :
en
- DE725687C - Shock absorber assembly, especially for heavy-duty vehicles :
de
en
- CH223676A - Stroller that can be used as a sled. :
de
en
- US2297341A - Method of making adhesives and product thereof :
en
- CA407672A - Switch operating means :
en
fr
- CA407752A - Resilient article making method :
en
fr
- DE725998C - Counting and storage device, especially for impact and similar machines :
de
en
- FR875665A - Method for protecting fuels housed in particular on board aircraft against fire :
en
fr
- DE725835C - Trucks :
de
en
- FR875642A - Winding device for the orderly collection and depositing of spools loaded with yarn :
en
fr
- USD133943S - Vitrified traffic marker :
en
- US2297512A - Arrangement for supressing waves along cable casings :
en
- US2297644A - Power responsive device :
en
- FR875635A - :
fr
- DK60200C - Wind engine. :
da
en
- GB548213A - Improvements in reciprocating pumps :
en
- US2297232A - Magnifying device :
en
- CH223647A - Device for automatic ignition of the burner of gas cookers and gas heaters. :
de
en
- CA407647A - Typewriter :
en
fr
- BE446822A - Paraffin sulfonate purification process :
en
fr
- AU115880B2 - Electro-optical pickup device for use insound reproducing systems :
en
- US2297028A - Knitted fabric and article of wearing apparel :
en
- US2297523A - Titanium dixoide pigment and method of making same :
en
- GB548262A - Improvements in or relating to the protection of metal surfaces from corrosion :
en
- US2297575A - Shotgun sight :
en
- CA407739A - Locking snap fastener :
en
fr
- FR875590A - Device for transferring liquid gases or similar substances :
en
fr
- US2297621A - Method for removing acidic substances from liquid hydrocarbons :
en
- USRE22186E - Internal combustion engine :
en
- FR875755A - New fuel of vegetable composition for heavy oil engines and for diesel and semi-diesel engines, which can also be used for lubricating all engines :
en
fr
- CA407654A - Combine down-grain guard :
en
fr
- FR875726A - Bearing for the elastic support of two machine elements, in particular for the suspension of an aircraft engine :
en
fr
- GB548225A - Machine for generating and cutting gears, sprockets, cams and similar articles :
en
- DE725692C - Process for the production of pressure-resistant, non-slippery and frost-resistant materials for road surfaces :
de
en
- DE725896C - Commutation device for electrical machines with brushes with more than two layers :
de
en
- CH223513A - Gas stove. :
de
en
- US2297249A - Double frame direction finder with visual indicator :
en
- US2297486A - Conveying apparatus :
en
- USD133929S - Design for a glove :
en
- FR875799A - Improvements to arterial pressure measuring devices :
en
fr
- GB548140A - Glue applying device in glueing machines :
en
- USD133914S - Heat-absorbing water conduit for tank water heaters :
en
- DE725703C - Separation of hydrogen chloride and sulfur dioxide in gas mixtures :
de
en
- FR875739A - Fuel chipboard :
en
fr
- USD133955S - Hurricane lamp adapter for candlesticks or similar article :
en
- US2297173A - Mobile crutch :
en
- DE725955C - Process for obtaining a product containing lactalbumin from whey :
de
en
- US2297220A - Motor-compressor unit for refrigerators :
en
- US2297445A - Cutting tool :
en
- CA407740A - Locking snap fastener :
en
fr
- DE725695C - Method of washing vegetable fibers :
de
en
- DE725934C - Impeller for light rail vehicles :
de
en
- PL30921B1 - :
en
pl
- US2297136A - Climbing spur :
en
- US2297042A - X-ray equipment :
en
- US2297143A - Truck for toy railroad cars :
en
- US2297604A - Ice breaking and sizing machine :
en
- US2297080A - 1-methylpentyl-p-aminobenzoate :
en
- US2297585A - Rubber products :
en
- FR875661A - Electric musical instruments :
en
fr
- GB548253A - Improvements in or relating to photographic objectives :
en
- DE725402C - Flat winder with longitudinal grooves :
de
en
- AU115887B2 - Improved self-closing plug and drain assembly for washbasins sinks andthe like :
en
- DE725607C - Process for the preparation of acidic esters of oxalkylamino compounds :
de
en
- DE725689C - Longitudinal bearings for rotating spindles of machine tools, especially grinding machines :
de
en
- DE725836C - Wire basket for cleaning machines :
de
en
- FR875569A - Gasifier and apparatus for converting gasifiers :
en
fr
- GB548219A - Improvements in or relating to dental instruments for boring, grinding and like operations :
en
- GB548157A - Piezoelectric crystal apparatus :
en
- US2297217A - Fuel control for combustion engines :
en
- US2297573A - Cylinder drive mechanism for printing machines :
en
- US2297666A - Internal corrosion prevention in conduits :
en
- FR875553A - Improvements to devices for repeating signals on board rail convoys :
en
fr
- CA407688A - Mixing apparatus :
en
fr
- CH223606A - Control device for suddenly reducing the pressure and restoring the original pressure in closed spaces containing a pressure medium, especially in spaces delimited by pipelines. :
de
en
- DE725725C - Securing device for a pin connecting the upper and lower part of the fuselage or the motor housing of an airplane model made of sheet metal :
de
en
- PL30868B1 - Device for producing narrow strands of welded wire mesh, the meshes of which run in the longitudinal direction of the mesh :
en
pl
- DE725922C - Preservation of photosensitive luminophores containing zinc sulfide :
de
en
- DE725848C - Process for making chlorinated rubber insoluble :
de
en
- FR875764A - Bushing insulator for vacuum vessel :
en
fr
- DE725613C - Process for the production of resinous, fusible condensation products from urea or urea-thiourea mixtures and polymeric formaldehyde :
de
en
- GB548247A - An improved moisture and heat resisting varnish :
en
- US2297221A - Ethers of hydroxyalkyl amine bases, their salts, and quaternary ammonium compounds :
en
- PL30911B1 - Device for utilizing the heat of decoctions from fermented sulfite liquors :
en
pl
- US2297458A - Process of manufacture of mixed yarns of artificial textile fiber and natural silk threads :
en
- US2297345A - Surround for projected images :
en
- DE725718C - Device for generating driving force :
de
en
- DE725769C - Airplane with two single-leaf wings either revolving or fixed in flight :
de
en
- PL30920B1 - International Standard Electric Corporation, New York, N.Y, Coaxial cable :
en
pl
- US2297383A - Differential mechanism foe cash :
en
- US2297499A - Television transmitter :
en
- AU115893B2 - Granular coated articles and their manufacture :
en
- CH223519A - Electrically heated beverage container. :
de
en
- FR875567A - Improvement in self-blowing switches :
en
fr
- GB548236A - Improvements in or relating to apparatus and methods for limiting the duration of anelectric current to a period of time not exceeding one-half cycle of an alternating current mains supply :
en
- US2297039A - Reaction of nonconjugated olefinic compounds with alpha-beta-unsaturated carbonylic compounds :
en
- US2297452A - Photographic objective :
en
- FR875596A - Mirror photographic camera with photoelectric light meter integral with the camera :
en
fr
- FR875696A - Connection mode to keep the number of revolutions of series motors constant, and more especially for remote control of motor vehicles :
en
fr
- AU115883B2 - Improvements in gas producers :
en
- CH223559A - Mechanical pencil with liquid chamber. :
de
en
- CA407702A - Clothes wringer :
en
fr
- CH223656A - Process for the production of a respiratory protection device with a washable, porous sheet as an air and suspended matter filter and a respiratory protection device produced by the method. :
de
en
- US2297614A - Dishwashing and drying apparatus :
en
- US2297672A - Voltage regulator :
en
- FR875728A - Film holder for intermittent film feed :
en
fr
- GB548166A - Improvements relating to collars for personal wear :
en
- US2297317A - Harvester-sickle driving means :
en
- US2296827A - Material collecting and loading apparatus :
en
- US2297556A - Adjustable base support for jacks :
en
- US2297600A - Insulator support :
en
- DE725979C - Vehicle transformer for very high voltages :
de
en
- US2296958A - Production of unsaturated aliphatic aldehydes :
en
- US2297003A - Pressure relief valve :
en
- PL30914B1 - Chuck for clamping at different angles of the cutting tool, e.g. a turning knife in a machine tool :
en
pl
- US2297323A - Lightning arrester :
en
- US2297625A - Forming die :
en
- USRE22188E - Method of regulating and maintain :
en
- CA407692A - Street sweeper :
en
fr
- CH223614A - Spark plug for internal combustion engines. :
de
en
- CA407666A - Gas turbine :
en
fr
- CA407642A - Cop winding machine :
en
fr
- CA407748A - Hoist :
en
fr
- DE725633C - Method for gluing paper :
de
en
- CH223509A - Process for the manufacture of watch glasses. :
de
en
- CH223592A - Device for reducing torsional vibrations in crankshafts. :
de
en
- CA407615A - Turbine antiswirl device :
en
fr
- US2297190A - Apparatus for packaging liquids :
en
- US2297308A - Well bottom assembly for graveling :
en
- CA407662A - Railway car truck :
en
fr
- AU115903B2 - An electrically actuated diaphragm pump :
en
- US2297326A - Valved nonoverfill structure :
en
- US2297647A - Table extension :
en
- CA407670A - Dynamo regulator system :
en
fr
- US2296998A - Firearm :
en
- US2297558A - Ice tray :
en
- CA407741A - Locking snap fastener :
en
fr
- DE725953C - Compressor system with pressure lubrication that is connected to an internal combustion engine :
de
en
- GB548169A - Improvements in catamenial devices :
en
- DE725791C - Protection against flashbacks of flames and the escape of oxygen using a water seal :
de
en
- CH223576A - Waterproof wrist watch. :
de
en
- US2297364A - Electric valve converting system and excitation apparatus therefor :
en
- CH223568A - Electrical display device. :
de
en
- CH223681A - Interior fittings in passenger compartments for land, water or air vehicles. :
de
en
- CH223612A - Magneto. :
de
en
- US2297015A - Machine for coating strips :
en
- USD133906S - Design for an automobile :
en
- US2297210A - Gas turbine :
en
- CH223522A - Device for cutting endless slivers. :
de
en
- CH223532A - Stripping device for grinding rollers. :
de
en
- US2297268A - Shaping machine :
en
- US2297440A - Batting reinforced with knitting stitches and a device for preparing same from raw material as it comes from the carding machine :
en
- US2297663A - Method and apparatus for making rubber goods :
en
- CH223520A - Toothbrush. :
en
fr
- DK60198C - Refractory ceramic objects, such as tools and machine parts. :
da
en
- FI19378A - Anordning förvärmning vid industriell drift, vid varmvattenvärmeledningar m.m. and combinations with angling machines :
en
fi
- CH223570A - Method for fastening the reeds of reed frequency meters. :
de
en
- CH223706A - Process for the preparation of a green chromating dye. :
de
en
- DE725849C - Preparations for combating pests, especially rats :
de
en
- US2296962A - Frequency modulation :
en
- US2296859A - Tractor frame :
en
- US2297579A - Tire and wheel lock :
en
- US2297229A - Machine frame for typewriters :
en
- USD133911S - Design for a pylon smoker :
en
- US2297560A - Apparatus for producing metal bodies :
en
- BE446816A - Machine for grinding bent shafts :
en
fr
- US2297094A - Drainage device for web drying machines :
en
- US2297117A - Oversuit :
en
- DE725927C - Cloth shoe with rubber sole :
de
en
- CH223536A - Process for the production of an asymmetrical urea. :
de
en
- CA407723A - Typewriter case shift mechanism :
en
fr
- DK60188C - Power harrow. :
da
en
- GB548137A - Improvements in polyester resins :
en
- US2297420A - Bearing segment for typewriters :
en
- USD133937S - Design fok a suit :
en
- AU115878B2 - Improved wigand method of making same :
en
- FR875769A - Tractor stud cleaning device :
en
fr
- DE725815C - Inner shoe brake for vehicles, especially bicycles :
de
en
- DE725795C - Process for the finishing of such reticulated textile goods made of cellulose or cellulose hydrate fibers which, when used as intended, are exposed to the action of aqueous wetting agent-containing baths :
de
en
- DE725918C - Ship rudder :
de
en
- DE725963C - Reading device for a paper strip or the like that is printed or written on both sides. :
de
en
- US2297041A - Gun perforator :
en
- US2297553A - Composite color photography :
en
- DE725770C - Switching device in connection with adjusting struts used to move aircraft components :
de
en
- DE725924C - Zero printing device for cash registers, calculating or accounting machines :
de
en
- FR875555A - Plastic fittings for pipes terminated with an olive :
en
fr
- DE725784C - Pot, especially for thick liquids :
de
en
- CA407682A - Fastener member :
en
fr
- CA407722A - Valve assembly :
en
fr
- DE725962C - Fuel tank for motorcycles and similar vehicles :
de
en
- DE717540C - Small telephone with a membrane that vibrates like a piston :
de
en
- DE725819C - Knitted or knitted goods for garments, especially for beach and bathing suits :
de
en
- DE725688C - Sidecar wheel drive with differential gear for motorcycles :
de
en
- FR875625A - Improvements to cylindrical cathodes of axial length less than their diameter :
en
fr
- FR875699A - Jet carburettor whose nozzle opens into a spray tube which has side air inlets :
en
fr
- US2297089A - Truck tail gate spreader :
en
- DK60178C - Safety device for track crossings in streets and roads. :
da
en
- DE725976C - Saving image catcher tubes with image converter part :
de
en
- FR875662A - Jet carburettor with an additional air inlet at the air intake duct :
en
fr
- FR875723A - steel construction elements obtained by means of corrugated sheets :
en
fr
- PL30932B1 - A method for the production of permanent disinfectants from acid radicals :
en
pl
- USD133945S - Design for a game board :
en
- GB548152A - Improvements in slidable-arm drilling and similar machines :
en
- US2297425A - Exhaust conduit assembly :
en
- DE725857C - Schuettelrutsche, the shots of which are combined into a strand by one or more ropes running over the length of the slide and arranged in short guides of the slide shots :
de
en
- DE725978C - Arrangement of the flat ribbon primary winding of current transformers with leg core :
de
en
- GB548153A - Improvements in automatic regulating valves :
en
- DE725812C - Watch control card :
de
en
- US2296941A - Electric control system :
en
- US2297287A - Refrigeration :
en
- FR875721A - Magnetic sound recording process :
en
fr
- GR9984B - HOW TO PROVIDE FLEXIBILITY TO STRONG MATERIALS FOR INDUSTRIAL OR INDUSTRIAL USE. :
el
en
- GB548200A - Rubber and metal units for resilient mountings, couplings and the like :
en
- DE725816C - Embossing, especially small cylindrical screw bolt shafts :
de
en
- US2297175A - Building or structure :
en
- US2297242A - Sound recording and reproducing machine :
en
- US2297419A - Tobacco guiding machine :
en
- US2297450A - Controlling the exposure of photographic sound records :
en
- US2297616A - Socket assembly :
en
- US2297106A - Releasing attachment for chuck :
en
- US2297431A - Fare indicator :
en
- US2297467A - Photoelectric cathode :
en
- CH223530A - Form for stretching and drying woolen stockings. :
de
en
- DE725685C - Method for determining the correct copy filter for copying subtractive multicolor images onto subtractive multilayer material :
de
en
- FR875767A - Process for manufacturing condensation products of the amide type :
en
fr
- US2297139A - Fitting :
en
- US2297283A - Suction cleaner :
en
- US2297150A - Tent :
en
- CA13356S - Flower vase :
en
- US2297011A - Apparatus for illustrating economic principles :
en
- US2297370A - Refrigeration :
en
- US2297550A - Carburetor :
en
- GB548228A - Apparatus for indicating electric currents :
en
- FR875637A - Washcloth :
en
fr
- CH223581A - Method and device for the production of bodies from fusible materials. :
de
en
- DE725834C - Adjusting propeller hub cap :
de
en
- US2297195A - Process for rendering alkaline sludge from sewage putrefactible :
en
- US2296862A - Bladed disk for radial flow rotary machines :
en
- CH223703A - Process for the production of a new azo dye. :
de
en
- PL30882B1 - 3b COl / 15 / óUb Connection system of cylindrical or thumb adjusters :
en
pl
- US2297086A - Eyeglass mounting :
en
- DE725778C - Elastic tension spring, especially for motorcycles :
de
en
- US2297081A - Phonograph record rack :
en
- FR875775A - Further training in ship cranes :
en
fr
- US2297543A - Device for amplifying direct voltage or current :
en
- FR875792A - Ethyl chloride manufacturing process :
en
fr
- DE725750C - Process for the production of radioactive preparations with electropositive properties :
de
en
- DE725818C - Calculating device, especially for artillery purposes :
de
en
- FR875772A - New bow shape for ship hull :
en
fr
- DE725793C - Process for mercerizing :
de
en
- DE725893C - Arrangement at the driving switches of electrically powered vehicles :
de
en
- ES151279A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRIC HAND DRYERS :
en
es
- CA407667A - Electric switch :
en
fr
- GB548196A - Improvements in or relating to plate heat exchangers :
en
- GB548141A - Improvements in or relating to containers :
en
- GB548266A - Improvements in and relating to pencil lead holders :
en
- FR875710A - Heating body for domestic heating :
en
fr
- DE725821C - Improvement of the effect of mercerising liquors :
de
en
- US2297182A - Trailer coupling :
en
- US2297601A - Electric gas cleaner :
en
- US2297169A - Method of particle size grading and product :
en
- FR875774A - Bigue, particularly intended for vessels equipped for lifting wrecks :
en
fr
- US2296881A - Typewriting machine :
en
- US2297176A - Combined automobile chair and bed :
en
- US2297620A - Hydrocarbon oil treating :
en
- US2297471A - Cable terminal :
en
- DK60195C - Hinged, easily releasable Chassis for Bicycles or Motorcycles. :
da
en
- US2297075A - Dispenser :
en
- US2297402A - Electric switch :
en
- US2297460A - Piston for combustion power engines :
en
- US2297468A - Sharpening device for the rotating sickle knife of cigarette rod machines :
en
- FR875741A - Improvements to combustion engines :
en
fr
- PL30897B1 - :
en
pl
- DE725905C - Process for the production of a chemical-resistant, non-adhesive material from polyisoolefins :
de
en
- DE725938C - Device for automatic repeated transmission of ship emergency signals consisting of Morse code :
de
en
- GB548180A - Improvements in and relating to rotary compressors, turbines and the like :
en
- FR875619A - Extensometer with two knives or points delimiting the measurement distance, to measure the elongation of parts under load :
en
fr
- CA407681A - Spring balancer :
en
fr
- US2297177A - Fruit cutting apparatus :
en
- US2297406A - Glow path regulator :
en
- CA407635A - Boot and shoe manufacture :
en
fr
- CA407690A - Electric food mixer :
en
fr
- US2297014A - Magazine phonograph :
en
- US2297437A - Screw device :
en
- US2297571A - Carton :
en
- USD133924S - Design for a lapel pin :
en
- US2297475A - Refrigerator :
en
- US2297264A - Coin-controlled billiard table :
en
- US2297301A - Tractor-attached implement :
en
- US2297373A - Stenciling machine :
en
- US2296848A - Container :
en
- CA407669A - Electric protective apparatus :
en
fr
- CH223610A - Method and device for operating gas engines. :
de
en
- US2296935A - Glassware forming machine :
en
- DK60190C - Procedure for the manufacture of an inner lining of rubber and woven fabric for such hoses, which are intended in particular for conducting lubricating oil, motor fuels and similar hydrocarbons. :
da
en
- FR875568A - Process for extracting edible juice from products not used until now, for human consumption :
en
fr
- DE725783C - Device for the preparation of raw cement for a subsequent firing process :
de
en
- CH223634A - Process for degassing electric metal vapor converters with metal vessels that work without a pump. :
de
en
- FR875770A - Magneto ignition :
en
fr
- DE725656C - Method for protecting wooden containers in storage rooms against drying out :
de
en
- DE725913C - Device for operating the cake mold press in an oil press system :
de
en
- GB548238A - An improved composition for use in the manufacture of grinding materials :
en
- BE446801A - :
en
- PL30913B1 - :
en
pl
- US2297562A - Shock absorber :
en
- US2296855A - Refrigeration :
en
- US2297165A - Tube band :
en
- USD133904S - Design for an automobile :
en
- USPP545P - Rose plant :
en
- DE725729C - Bucket wheel excavator for high and low cut :
de
en
- DE725878C - Rotary luffers :
de
en
- DE725810C - Change gear with electromagnetic multi-plate clutches :
de
en
- DE725985C - Permanent hair waving device :
de
en
- DE725854C - Trigger device for machine guns :
de
en
- DE725929C - Attachment device for wire stitching, nailing or the like. Machines for folding box or box wall stapling or the like. :
de
en
- US2297270A - Connecting film ends :
en
- US2297284A - Container :
en
- US2297018A - Sponge rubber and process of making same :
en
- DE725734C - Device for voltage regulation in stage lighting and similar systems :
de
en
- DE725809C - Replacement ignition device :
de
en
- FR875719A - Process for washing raw wool :
en
fr
- GB548216A - Improved method of alloying calcium with magnesium and product thereof :
en
- AU115879B2 - Improvements in or relating to electrical carrier wave signalling systems :
en
- PL30895B3 - :
en
pl
- US2297401A - Photographic camera :
en
- CA407715A - Roll doctor :
en
fr
- US2297222A - Film inspecting apparatus :
en
- US2297316A - Scaffolding support :
en
- US2297360A - Coin controlled pump :
en
- US2297188A - Electric plug and socket :
en
- US2297357A - Method for brazing high carbon steel :
en
- US2297456A - Signal amplifier :
en
- US2297592A - Can opener :
en
- US2297336A - Electrical connector :
en
- FR875756A - Wooden roofing for hangars, markets and similar constructions :
en
fr
- GB548230A - Improvements in or relating to the concentration of fruit juices by evaporation :
en
- GB548226A - Improvements in or relating to direct current electric motor control systems :
en
- DE725290C - Process for the preparation of polymethine dyes :
de
en
- DE725717C - Internal combustion engine with external combustion in a controlled combustion chamber :
de
en
- USD133908S - Combination gas and liquid seferator or the like :
en
- FR875655A - Halogenated arylmercaptans and process for their preparation :
en
fr
- GB548244A - Improvements in or relating to propeller blades and methods of making the same :
en
- USRE22189E - Lubricating composition :
en
- CA407684A - Ball and socket joint :
en
fr
- CA407713A - Bearing machine :
en
fr
- ES151287A3 - A PROCEDURE TO GIVE SOLUBILITY TO RICINO OILS :
en
es
- FR875585A - Controllers for electric vehicles :
en
fr
- PL30926B1 - Kazimierz Iwanicki, Tschenstochau Device for measuring rail head wear :
en
pl
- US2297531A - Tertiary amines :
en
- US2297368A - Strip or ribbon making method and apparatus :
en
- US2297151A - Clothesline fastener :
en
- US2297432A - System of wrapping articles :
en
- US2297171A - Cleansing apparatus :
en
- CA407733A - Plate forming apparatus :
en
fr
- US2297082A - Valve :
en
- US2297517A - Art of producing sound films :
en
- US2297576A - Valve :
en
- US2296978A - Direction signal :
en
- US2297492A - Electrical discharge device :
en
- CH223555A - Box with cardboard body. :
de
en
- DE725792C - Device for sealing damaged, wet gas containers :
de
en
- DE725875C - Device for counting the number of shots fired by automatic weapons :
de
en
- DE725914C - Device for emergency dropping of devices installed in aircraft :
de
en
- US2297632A - Conveyer :
en
- USD133958S - Design for a dress :
en
- AU293541A - Improved device for attachment to letters, documents andthe like to facilitate filing thereof :
en
- CA407657A - Metal working apparatus :
en
fr
- CH223500A - Dowels for wood connections. :
de
en
- CH223617A - Cooling system with an evaporator built into the cold room. :
de
en
- US2297519A - Artificial tooth :
en
- US2297255A - Phase control in high frequency coupled circuits :
en
- CA407732A - Engine fuel :
en
fr
- FR875582A - Automatic speed variator :
en
fr
- CA407622A - Free wheel ratchet coupling :
en
fr
- CH223674A - Milk transport can. :
de
en
- US2297037A - Gun perforator cartridge :
en
- DE725794C - Process for stiffening felt and straw hats, knitted and sewn hats and technical felts :
de
en
- CA407699A - Pharmaceutical composition :
en
fr
- US2297225A - Vehicle body part and method of forming same :
en
- CH223646A - Non-return valve to prevent a gaseous medium from flowing back into a line. :
de
en
- AU224541A - Improved wigand method of making same :
en
- DE725720C - Method and arrangement for coating paint-insulated metal bodies :
de
en
- US2296871A - Index means for sound translating :
en
- DE725869C - Knob lathe :
de
en
- DE725876C - Cultivation for observation purposes or the like for an air defense tower :
de
en
- FR875709A - Electric vaporization device :
en
fr
- CA407720A - Motion picture projector :
en
fr
- US2297344A - Dump cart :
en
- US2297031A - Circulation valve for cement retainers :
en
- US2297448A - Bomb sight and pilot director :
en
- PL30872B1 - :
en
pl
- CA407689A - Light sensitive photographic coating :
en
fr
- PL30879B1 - :
en
pl
- FR875681A - Ear plow for one or more furrows :
en
fr
- CA407638A - Wheel construction :
en
fr
- CH223702A - Process for the preparation of butyne-2-diol-1,4. :
de
en
- US2296892A - Planetary gearing :
en
- DE725832C - Passage openings in pipe walls for silencers, especially in internal combustion engines :
de
en
- US2297196A - Liquid clutch :
en
- AU115898B2 - Improvements in or relating to nailing machines :
en
- BE446828A - turret for tool holder :
en
fr
- AU258841A - Improvements in or relating to cathodes for electric discharge tubes :
en
- US2297324A - Key holder :
en
- US2296844A - Friction part and method of treating :
en
- US2296888A - Shoe sewing machine :
en
- US2297444A - Color television receiver :
en
- US2297451A - Method of selective filtering of frequency band ranges :
en
- US2296992A - Separating hydrocarbon fluids :
en
- US2296995A - Steam heating system :
en
- DE725887C - Austenitic chromium-nickel steels are safe against intergranular corrosion :
de
en
- GB548147A - Improvements in or relating to cathode ray tubes :
en
- US2296919A - Direct-current insertion :
en
- US2297457A - Universal joint :
en
- FR875657A - Outlet nozzle for grinding liquid directed to the grinding wheel of a grinding machine :
en
fr
- DE725879C - Process for the chemical purification of waste water :
de
en
- US2297276A - Protein composition and foam abatement :
en
- US2297610A - Apparatus for transmitting rotary motion :
en
- CH223587A - Method and machine for dehairing fur. :
de
en
- CH223578A - Power piece on a permanent magnet. :
de
en
- CH223686A - Bike holder. :
de
en
- CA407738A - Windshield cleaner :
en
fr
- CH223632A - Immediately heated bimetal release attached to a base for small currents and high release force. :
de
en
- CA407644A - Oil burner unit :
en
fr
- CA407696A - Tabulating machine :
en
fr
- US2297565A - Biscuit and cooky cutter :
en
- US2297294A - Beet harvesting machine :
en
- CA407659A - Blue-print coating :
en
fr
- US2297161A - Seat ring for rotary valves :
en
- CH223594A - Switching device on multi-step gears. :
de
en
- CH223688A - Device for securing elongated objects such as umbrellas and sticks on bicycles. :
de
en
- US2297261A - Nut locking device :
en
- US2297322A - Stereoscopic apparatus :
en
- CH223597A - Rotary compressor with eccentric rotating piston. :
de
en
- CH223613A - Internal combustion engine with attached magneto and compressor. :
de
en
- AU115886B2 - Improvements in or relating to cotton cord or thread and method of and apparatus for treating the same :
en
- US2297319A - Seismic circuits :
en
- PL30899B1 - Plant for the production of pipes consisting of several layers by casting :
en
pl
- US2296905A - Cabinet top panel :
en
- CA407617A - Plywood panel :
en
fr
- US2297379A - Animal operated stock-watering trough :
en
- US2296933A - Water-dispersible lecithin :
en
- FR875785A - Improvement brought to the manufacture of lead accumulator plates, known as reported oxides :
en
fr
- US2296863A - Reinforced concrete floor construction :
en
- US2297568A - Spontaneous potential by induction :
en
- US2297591A - Vehicle suspension device :
en
- US2297119A - Railway traffic controlling apparatus :
en
- US2296931A - Manufacture of sanitary napkins and the like :
en
- US2297098A - Rectifying column control :
en
- US2297657A - Quickly removable boot :
en
- US2297607A - Electrolytic condenser and method of making the same :
en
- US2297547A - Television power supply :
en
- US2296915A - Resonant circuit :
en
- US2296960A - Package of hooks :
en
- US2297369A - san german :
en
- US2297454A - Cathode :
en
- US2297463A - Device for emptying mixers :
en
- CH223501A - Component. :
de
en
- CH223712A - Process for the production of a vat dye. :
de
en
- US2297215A - Electric filter device :
en
- US2297334A - Pinking and stitching machine :
en
- AU115877B2 - Improvements inthe method and machine for making hats :
en
- CH223652A - Process for the preparation of methylamino- (6) -methyl- (2) -heptane. :
de
en
- DE725947C - Application plate with rollers :
de
en
- US2297363A - Cutting bit :
en
- CA407751A - Textile material :
en
fr
- US2296830A - Cigar container :
en
- US2296940A - Exhaust steam injector :
en
- US2297447A - Apparatus for heat treating metallic goods in baths :
en
- DE725712C - Process for making records :
de
en
- FR875760A - Articulation device :
en
fr
- GB548144A - Improvements relating to liquid dielectric media :
en
- PL30869B1 - :
en
pl
- US2297441A - Method of preserving fish and similar food products of animal origin :
en
- US2297394A - Instrument for measuring elongation :
en
- US2297219A - Evaporator for refrigerating apparatus of the compression type :
en
- US2297352A - Contactor :
en
- CH223673A - Process for the production of tubes and tube produced by the process. :
de
en
- DE725756C - Radial engine :
de
en
- DE725824C - Electric card set multi-motor drive in synchronism circuit with asynchronous motors coupled on the stator and rotor side :
de
en
- US2297516A - High frequency translating device :
en
- CA407716A - Granule colouring process :
en
fr
- CH223630A - Charging process for the power storage of electrical systems in wind power machines. :
de
en
- US2296921A - Reflex audio amplifier control :
en
- US2296841A - Process for beneficiation of manganese ores :
en
- PL30860B1 - Imperial Chemical Industries Limited, London Ammonia decomposer :
en
pl
- DE725908C - Flange connection :
de
en
- US2296917A - Water temperature regulating device :
en
- US2297306A - Facet grinding attachment :
en
- US2297170A - Heavy duty delta connection :
en
- CH223699A - Tow body for high speeds. :
de
en
- DE725765C - Self-adhesive postcard :
de
en
- CH223510A - Device for operating prime movers by means of a gas generator with a downward draft, in particular for motor vehicles. :
de
en
- CH223704A - Process for the production of a new, copper-containing azo dye. :
de
en
- CH223577A - Process for the production of objects which should have high notch toughness at temperatures below 0o C. :
de
en
- CH223596A - Device for moving multi-level conveyor baskets for rack conveying with an electric drive. :
de
en
- US2297158A - Bun coring machine :
en
- US2297285A - Cardholder for key chains :
en
- US2297466A - Frame aerial :
en
- FR875736A - Process for the preparation of polyurethane layers :
en
fr
- DE725829C - Optical sound recording process :
de
en
- CH223682A - Drive wheel equipped with grabs, especially for agricultural tractors. :
de
en
- US2297062A - Separation of oil from gas :
en
- US2296939A - Well bit protector :
en
- US2296922A - Strip brush :
en
- US2296906A - Machine for lining the backs of books :
en
- USD133930S - Year tag for an automobile license plate :
en
- CA407618A - Liquid measuring and delivering apparatus :
en
fr
- US2297048A - Luminescent coating :
en
- US2297047A - Backlash compensator :
en
- US2297649A - Piston :
en
- US2296999A - Feed water economizer :
en
- US2297613A - Process of producing viscose rayon :
en
- CA407747A - Packaging method :
en
fr
- FR875584A - Improvements to electric kitchen appliances and storage heating :
en
fr
- GB548186A - Improvements in or relating to the preparation or maintenance of an electrolyte having a desired characteristic or characteristics and to apparatus for determining the composition or changes in composition of an electrolyte :
en
- US2297551A - Machine for cutting arcuate internal grooves in hollow members :
en
- CH223575A - Anchor gear for portable watches. :
de
en
- CA407714A - Surface decorating mechanism :
en
fr
- CH223526A - Individual drive device on a wing spinning machine. :
de
en
- CH223511A - Process and generator for the continuous generation of water gas from coke dust. :
de
en
- CH223644A - Guard for the weft of cotton thread on fine winding machines. :
de
en
- US2296828A - Method of canning :
en
- US2297351A - Conjoint polymerization of dicarboxylic acids and olefinic compounds :
en
- DE725787C - System for the uninterrupted hardening and tempering of iron parts, especially small workpieces :
de
en
- US2297342A - Culinary mashing device :
en
- CH223589A - Screwless vice. :
de
en
- FR875588A - Temperature regulator with control device for adjusting the temperature degree and acting on the bimetal component :
en
fr
- AU291041A - Improvements in gas cleaners :
en
- CA407649A - Aircraft :
en
fr
- CA407655A - Skinless sausage canning machine :
en
fr
- GB548190A - Improvements in and relating to gyroscopic apparatus, more especially in automatic pilots for aircraft :
en
- CA407744A - Plywood panel treating process :
en
fr
- CH223585A - Hollow turbine blade and process for their manufacture. :
de
en
- CA407625A - Ventilated carton :
en
fr
- US2296887A - Screw :
en
- AU118325B2 - Cheese package :
en
- CA407677A - Protective device for electrical apparatus :
en
fr
- CH223638A - Arrangement for generating high voltage direct currents. :
de
en
- DE725996C - Tin can with heat ladder :
de
en
- CH223660A - Installation of automatic exchange for telecommunications. :
en
fr
- US2297009A - Disintegrating apparatus :
en
- US2297330A - Bowling ball runway :
en
- DE725757C - Internal combustion engine :
de
en
- AU118889B2 - Magnetic structures and method of making same :
en
- CA407650A - Aircraft :
en
fr
- CH223708A - Process for the preparation of a green chromating dye. :
de
en
- US2297594A - Footwear :
en
- US2297007A - Door fastener :
en
- US2297230A - Process of steaming textiles :
en
- CH223620A - Process for the manufacture of refrigerators and refrigerator manufactured by the process. :
de
en
- GB548193A - Radiators and absorbers of electromagnetic waves :
en
- CA407705A - Cast-iron manufacture :
en
fr
- GB548143A - Improvements in or relating to the manufacture of connectors having forked ends :
en
- DE725752C - Water heating system with heating of the water by adding steam in a heater :
de
en
- US2296901A - Tracer and self-destroying device :
en
- US2296900A - Refrigerator car construction :
en
- US2297548A - Coupler :
en
- USD133907S - Design for a lamp lens :
en
- CH223666A - Amplification arrangement for electrical signals. :
de
en
- DE725877C - Process for the preparation of magnesia cement mixtures :
de
en
- US2297163A - Troweling mechanism for pipe coating apparatus :
en
- US2297185A - Pumping apparatus :
en
- US2297303A - Carbon resistance tool :
en
- US2297382A - Bag filling machine :
en
- US2297630A - Slow-acting monocalcium phosphate and process of manufacturing the same :
en
- FR875627A - Sulfuric leucoesters of benzanthronylaminoanthraquinone series tank dyes and their preparation process :
en
fr
- US2297166A - Free wheeling mechanism :
en
- US2297241A - Plating of aluminum :
en
- US2297490A - Paper guide and feed for typewriters :
en
- PL30905B1 - Naftolen-Gesellschaft zur Verwertung der Rostler-Mehner'schen Verfahren m. B. H., Wieden, Rubber compound :
en
pl
- CH223533A - Device for changing the grinding pressure on roller mills. :
de
en
- FR875776A - Equipment for lifting wrecks using a special vessel :
en
fr
- AU653742A - Magnetic structures and method of making same :
en
- CH223710A - Process for the production of a new azo dye. :
de
en
- CA407653A - Ferro-alloy production :
en
fr
- US2297333A - Shipping crate :
en
- FR875666A - Process for the brazing production of light metal honeycomb radiators :
en
fr
- GB548145A - Chlorination of titanium bearing materials :
en
- DE725798C - Process for the production of cerium compounds practically free from other earths :
de
en
- US2297250A - Tension apparatus :
en
- US2297315A - Apparatus to produce bent glass :
en
- FR875624A - Drop-down door with return spring for cookers and similar uses :
en
fr
- GB548184A - Corrosion proofing metal articles :
en
- US2297288A - Fence post :
en
- GB548265A - Improvements in or relating to submersible electric pumps :
en
- US2296938A - Welding rod and method of manufacturing welding rods :
en
- DE725781C - Further training of the device for carrying out the process for operating paint and spray guns according to :
de
en
- FR875633A - Improvements in processes for the production of low ash coke, in particular electrode coke :
en
fr
- FR875616A - Safety strap of metal wires, braids or cables, in particular for oscillating axles of motor vehicles :
en
fr
- FR875685A - Recovery winch for mine pillars :
en
fr
- PL30889B1 - Robert Bosch G, m, b. H>, Stuttgart Spark plug with insulator made of ceramic material :
en
pl
- US2297128A - Loom temple roll :
en
- DE725790C - Method for driving a tunnel pipe composed of pipe sections into a body of water :
de
en
- DK60192C - Device by mitts. :
da
en
- GB548178A - Improvements in supporting means for the roofs of mines and the like :
en
- GB548189A - Improvements in springs :
en
- DE725972C - Cooling system with piston compressor :
de
en
- FR875725A - Device for electro-inductive heating of metal workpieces :
en
fr
- US2297278A - Method of producing swivels in link chain structures :
en
- FR875551A - gasifier gas filter cloth scrubber :
en
fr
- DE725646C - Feeding device for flat combing machines :
de
en
- GB548249A - Improvements in or relating to record controlled tabulating machines :
en
- DE725728C - Electrically heated paint drying cabinet with air circulation :
de
en
- DE725969C - Car body :
de
en
- DE725992C - Method and device for the uninterrupted covering of confectionery mass with a topping :
de
en
- FR875705A - Training device for boats equipped with a reversible diesel engine :
en
fr
- US2296857A - Making artificial structures from xanthates :
en
- US2296924A - Battery charger :
en
- US2297063A - Stabilized mineral matter and method of preparing the same :
en
- US2297332A - Roasting and turning cradle for meat :
en
- GB548206A - Improvements in or relating to the foaming or granulation of molten material :
en
- FR875580A - Thermostatic regulator :
en
fr
- FR875668A - Device for guiding sheets in acid baths or the like by using pairs of cylinders :
en
fr
- GB548174A - Improvements in or relating to the preparation or maintenance of an electrolyte having a desired characteristic or characteristics and to apparatus for determining the composition or changes in composition of an electrolyte :
en
- US2297572A - Hoisting apparatus :
en
- DE725716C - Silencer for highly loaded internal combustion engines :
de
en
- US2297245A - Manufacture of nonmetallic sliding clasp fasteners :
en
- US2297335A - Ampoule and method of making it :
en
- DK60184C - Disinfectant. :
da
en
- DE725761C - Pistons, in particular light metal pistons for high-speed internal combustion engines :
de
en
- DE725989C - Typewriter with automatic summation device :
de
en
- US2297273A - Method for the impregnation of logs :
en
- CH223675A - Vehicle axle with internal hub brake and wheels. :
de
en
- DE725861C - Weight compensation for trough gates of ship lifts :
de
en
- FR875638A - Process for representing and characterizing structures and the like, inside objects or organisms, more particularly human or animal bodies :
en
fr
- US2297309A - Method of molding :
en
- US2296949A - Brush structure :
en
- US2297263A - Producing welts :
en
- US2297064A - Floating toolholder :
en
- DE725605C - Process for the preparation of the acidic alkali salts of dichlorophthalic acids or the free dichlorophthalic acids :
de
en
- CA407668A - Electric switch :
en
fr
- US2297464A - Carbon collector and commutator for electric machines and apparatus :
en
- DE725982C - Drive device for periodically operated switching devices, especially current converters :
de
en
- CH223572A - Fault indicator. :
de
en
- US2297544A - Fire escape :
en
- US2296967A - Contour sawing machine :
en
- US2297637A - Colloid mill :
en
- DK60183C - Skin cleanser. :
da
en
- FR875604A - Device for measuring distances :
en
fr
- CH223679A - Automatic windscreen wiper. :
en
fr
- CH223539A - Process for the production of guanamines. :
de
en
- CH223668A - Arrangement for displaying characters generated by combining individual elements. :
de
en
- US2297545A - Collar attachment :
en
- US2297272A - Toxiferine, the active principle of calabash-curare, and method of purifying the same :
en
- US2297439A - Method for cutting garments :
en
- DE725759C - Inlet control for a rotary piston internal combustion engine :
de
en
- DE725721C - Sled bed body for a slide carrying the hand drill :
de
en
- DE725719C - Gate valve :
de
en
- US2297060A - Drain fixture :
en
- US2297338A - Ophthalmic mounting :
en
- FR875611A - Dynamic pressure measurement for vehicles, preferably for airplanes :
en
fr
- CH223561A - Construction kit with rods and connecting elements. :
de
en
- US2297156A - Machine for making "gem" paper clips :
en
- FR875771A - New hull shape for ships :
en
fr
- CH223627A - Separate pole low volume oil circuit breaker. :
en
fr
- CH223700A - Process for the production of a means for protecting wool, textiles, fur, hair, leather, feathers, natural or artificial fibers BEZW. Products and compounds containing such substances against moths and other animal pests. :
de
en
- CA407665A - Sulphur reduction :
en
fr
- CA407679A - Vapour electric device :
en
fr
- CA407717A - Drill pipe protector :
en
fr
- CH223665A - Device for transmitting signals. :
de
en
- AU115870B2 - Improved device for attachment to letters, documents andthe like to facilitate filing thereof :
en
- CH223677A - Holding device on pressure cylinders of pressure medium brakes. :
de
en
- GB548136A - Improvements in movement transmitting systems :
en
- GB548209A - Improvements in and relating to belting and the manufacture thereof :
en
- FR875618A - Process for the preparation of a dry product :
en
fr
- FR875742A - Process for the purification of sugar solutions :
en
fr
- FR875704A - Advanced broom :
en
fr
- FR875724A - New way of applying special steels :
en
fr
- GB548224A - Four-wheel drive and braking system for vehicles :
en
- GB548187A - Improvements relating to box spanners :
en
- FR875740A - New monoazo dyes :
en
fr
- US2297122A - Process of making multifocal lenses :
en
- US2297654A - Crankshaft grinding machine :
en
- GB548210A - Improvements in the cooling systems of electric machines :
en
- FR875722A - Contact device for converters, rectifiers or similar devices :
en
fr
- FR875793A - Surface coatings for optical light transmitting elements :
en
fr
- US2297293A - Flame hardening apparatus :
en
- US2297602A - Ship berth :
en
- USD133923S - Design fob a ring :
en
- CA407664A - Universal joint :
en
fr
- PL30886B1 - Junkers Flugzeug- urid -Motorenwerke Aktiengesellschaft, Dessau 'Automatic change-over device for a two-speed toothed gear unit connecting the compressor to the aircraft internal combustion engine :
en
pl
- US2296878A - Spring assembling machine :
en
- US2297053A - Speedometer controlled speed governor :
en
- US2297661A - Chain slide :
en
- US2296946A - Apparatus for maintaining the desired temperature of liquids :
en
- FR875577A - Machine for pulling or cutting hemp and other plants :
en
fr
- CH223639A - Device for rectifying and increasing voltage. :
de
en
- US2297054A - Flexible tray :
en
- US2297085A - Phonograph :
en
- US2296899A - Refrigerator car construction :
en
- US2297044A - Bottom hole choke :
en
- CH223722A - Booking engine. :
de
en
- US2297320A - Circuit breaker :
en
- US2297611A - Cutter :
en
- US2297389A - Drive for electric tuning means :
en
- USD133920S - Design i oil a siding :
en
- US2297405A - Radio transmitter for obtaining course lines :
en
- US2297598A - Composite color photography :
en
- DE725850C - Envelope for multiple use :
de
en
- US2297093A - Roll grinding machine :
en
- CA407631A - Phonograph needle :
en
fr
- DE725753C - Dissolving, softening, gelatinizing and swelling agents :
de
en
- DE725864C - Process for the shrinkage and crease resistance of textile goods :
de
en
- FR875714A - Improvements to fouillots :
en
fr
- GB548220A - Improvements in or relating to electrical insulating compositions :
en
- US2297339A - Electromagnetically operated device :
en
- FR875629A - Logarithmic circle for the calculation of reinforced concrete floors :
en
fr
- FR875743A - Process for the treatment of liquids using organic condensation products :
en
fr
- US2297077A - Door lock :
en
- DE725912C - Hydraulic control for presses or the like with low pressure pump and pressure booster :
de
en
- DE725653C - Process for the production of fine baked goods :
de
en
- GB548254A - Improvements in or relating to photographic objectives :
en
- FR875773A - Combination of lifting devices for ships intended for handling wrecks or heavy materials :
en
fr
- CH223565A - Measuring device, in particular for cement. :
de
en
- CH223640A - Single or multi-phase discharge device. :
de
en
- FR875796A - Improvements in threading machine sectors :
en
fr
- US2296886A - Method of producing knitted fabrics :
en
- CH223489A - Planting machine connected to a pulling device, especially for potatoes. :
de
en
- USD133926S - Design for a badge or similar article :
en
- US2297197A - Zigzag sewing machine :
en
- US2297671A - Process of preparing growth promoting vitamin b2 (vitamin g) by fermentation :
en
- AU115868B2 - Improved electrical shielding means for storage batteries :
en
- AU298641A - An electrically actuated diaphragm pump :
en
- US2297236A - Belt shifter :
en
- US2297407A - Magnetic deflecting systems for cathode-ray tubes :
en
- CH223633A - Device to avoid disconnection by the protective relay present in electrical machines, especially transformers, as a result of the inrush current. :
de
en
- CA407704A - Die casting machine :
en
fr
- CA407633A - Infant bathing device :
en
fr
- CH223655A - Colon irrigation apparatus. :
de
en
- PL30884B1 - Device for the registration of vertically hanging files :
en
pl
- US2297162A - Water cooled braking :
en
- US2296943A - Optical system for television receivers :
en
- US2297650A - Method of treating oils :
en
- US2297378A - Pressure control and indicator gauge :
en
- DE725154C - Heat exchange plate and process for its manufacture :
de
en
- FR875602A - Process for making solutions of hydrogen peroxide and its derivatives stable :
en
fr
- GB548199A - Improvements in and relating to carbon-sheet supports for typewriters :
en
- US2297168A - Black out dimmer :
en
- US2297302A - Sealing device :
en
- US2297385A - Method of producing compound cast bearings :
en
- CA407648A - Aircraft :
en
fr
- US2297391A - Grinding mill :
en
- CH223670A - That's enough. :
en
it
- CA407678A - Voltage regulator :
en
fr
- DE725344C - Process for the production of azo dyes :
de
en
- US2296868A - Mechanism for driving tandem machines :
en
- US2297434A - Detoxication of castor pomace :
en
- US2297318A - Drying machine :
en
- US2297582A - Composite color photography :
en
- USD133925S - Design for a siding corner piece :
en
- DE725855C - Lower roller with roller bearings, especially for spinning machines :
de
en
- DK60194C - Device for bicycle handlebars. :
da
en
- CA407749A - Elevator control-signal system :
en
fr
- FR875697A - Manufacturing process for products similar to leather :
en
fr
- US2297638A - Zone heating system and valve therefor :
en
- US2297660A - Nonaqueous drilling fluid :
en
- US2297213A - Change forming device :
en
- US2297500A - Television device :
en
- AU352141A - Improvements in or relating to cotton cord or thread and method of and apparatus for treating the same :
en
- CH223569A - Optical voltage indicator. :
de
en
- US2297046A - Means for preventing shock excitation of acoustic conduits or chambers :
en
- CA407709A - Chemical composition :
en
fr
- CH223525A - Cleaning device for the top rollers of draw frames, flyers and ring spinning machines. :
de
en
- CA407731A - Compression-ignition engine fuel :
en
fr
- CH223586A - Method and apparatus for producing rods from sheet material. :
de
en
- FR875644A - Machine for pushing fittings into the ends of flexible tubes and the like :
en
fr
- PL30906B1 - :
en
pl
- AU296941A - Improvements ingolf clubs :
en
- CA407725A - Light sensitive measuring instrument :
en
fr
- US2297478A - Device for the production of visible or photographic images with the aid of a beam of neutrons as depicting radiation :
en
- US2297144A - Portable lamp :
en
- USD133922S - Design for a pin or similar article :
en
- CH223714A - Process for the production of a vat dye. :
de
en
- CH223698A - Railway vehicle. :
de
en
- DE725959C - Oxygen generation system, especially for breathing apparatus :
de
en
- CA407614A - Screw stock master pusher :
en
fr
- PL30870B3 - A device for multiplication :
en
pl
- USD133931S - Design foe a rivet iron :
en
- DK60197C - Razor. :
da
en
- US2297033A - Luminescent composition :
en
- US2297153A - Scenic well :
en
- US2297274A - Gyroscope :
en
- CA407658A - Wire screen cloth :
en
fr
- DE725823C - Device for tension adjustment without conical pulley in multi-motor drives of paper machines with synchronization control according to the electrical differential system :
de
en
- GB548161A - Method of drying pipe lines such as water pipes and mains preparatory to coating the same :
en
- US2297050A - Blower structure :
en
- CH223518A - Mailbox accessory. :
en
fr
- CH223641A - Device for automatic layer-by-layer winding of any shape body with wire. :
de
en
- CH223604A - Four-stroke gas engine. :
de
en
- DE725867C - Spindle retraction for luffing cranes :
de
en
- DE725889C - Bogie for fast moving heavy rail vehicles :
de
en
- DK60182C - Procedure for Adding Powdered Material and Apparatus for Exercising the Procedure. :
da
en
- CH223583A - Device for fixing the work table of machine tools, in particular fine boring machines. :
de
en
- US2297411A - Process of obtaining the meat of crustaceans :
en
- US2297506A - Elastic mounting :
en
- USD133916S - Design for a water can :
en
- US2297227A - Manufacture of industrial gases :
en
- PL30874B1 - Method for the production of incendiary explosive for riveting :
en
pl
- PL30876B1 - A method for producing scattering of highly polymerized organic compounds :
en
pl
- US2297238A - Fuel supply for internal combustion engines :
en
- CA407742A - Locking snap fastener :
en
fr
- CH223549A - Method and device for spraying wire-shaped metals in metal spray guns. :
de
en
- US2297298A - Vehicle body :
en
- US2296983A - Machine for attaching eyelets to wires :
en
- USD133948S - Combined tib holder and compass :
en
- US2296945A - Centrifugal curb liquid separation :
en
- US2297297A - Treatment of oil, gas, and water mixtures :
en
- DE725696C - Sprinkler device for gas washer :
de
en
- GB548134A - An improved process for the catalytic treatment of hydrocarbon oils :
en
- US2297608A - Dry electrolytic condenser :
en
- US2296952A - Chemical treatment of black liquor and tall oil :
en
- DE725853C - Adjustment screw :
de
en
- DE725671C - Process for the production of casein wool :
de
en
- PL30930B1 - r-ui / fc OH "Pertrix" Chemische Fabrik Aktien-Gescllschaft, Berlin '' Portable electric torch with galvanic battery :
en
pl
- DE725733C - Mine support :
de
en
- DE725771C - Signal control for remote-controlled vehicles, especially air torpedoes :
de
en
- FR875594A - Flotation process for coal and other mixtures of materials :
en
fr
- US2297377A - Fruit treating machine :
en
- US2297673A - Voltage regulator :
en
- US2296925A - Black trisazo dye :
en
- CA407754A - Vehicle springing system :
en
fr
- DE725930C - Ring quick-acting regulator for steam or gas turbines :
de
en
- FR875600A - Process for making artificial leather :
en
fr
- DE725704C - Steam turbine housing with pipe connections on one side :
de
en
- US2297174A - Wire twisting device :
en
- US2297340A - Product thereof :
en
- US2297485A - Caterpillar tractor :
en
- FR875565A - Controlled freewheel gearbox :
en
fr
- FR875733A - Light protection sleeve for film on reels :
en
fr
- DE725828C - Process for the production of chrome or chrome alloys :
de
en
- FR875749A - Mounting plate for electrical appliance elements :
en
fr
- FR875766A - Furnace for the distillation of fuels with vertical chambers with intermittent operation :
en
fr
- GB548239A - Improvements in machines for sewing and like operations :
en
- US2296893A - Illuminated sign :
en
- US2297353A - Lumber :
en
- CA13357S - Flower vase :
en
- DE725949C - Device for attaching and adjusting armrests on seating and reclining furniture :
de
en
- DE725981C - Process for the production of electron tubes :
de
en
- US2296988A - Hook type rotary latch :
en
- US2297212A - Stable vitamin c and process for preparing the same :
en
- US2297474A - Squirting press for thermoplastic masses :
en
- US2296927A - Guy rod grounding clamp :
en
- US2297528A - Fraud prevention device for meters :
en
- US2297667A - Yarn handling device :
en
- DE725813C - Device for releasing loads or the like at preselectable time intervals, especially for aircraft :
de
en
- DE725901C - Electric beater :
de
en
- FR875578A - Improvements to temperature exchangers :
en
fr
- US2297636A - Composition for and method of devitalizing microorganisms :
en
- DE725820C - Methods of washing and cleaning :
de
en
- DE725606C - Process for the extraction of copper and possibly other metals from such and cyanide-containing liquids :
de
en
- DE725749C - Wax substitutes :
de
en
- CH223605A - Free-flight piston engine-compressor with counter-rotating masses. :
de
en
- DE725898C - Carbon brush for electrical machines :
de
en
- GB548240A - Improvements in closures for containers :
en
- GB548202A - Improvements in adjustable antenna devices :
en
- GB548217A - Improvements in power plants for ships :
en
- FR875634A - Quick locking device for tools such as drills or others on the corresponding drive machines :
en
fr
- US2296914A - Current generating device for vehicles :
en
- ES151280A3 - SPECIAL ELECTRIC IRON FOR TROUSERS :
en
es
- GB548260A - Improvements in or relating to devices for the parallel guidance of dental tools :
en
- CH223507A - Cremone bolt for casement windows and doors with bars that can be moved in opposite directions. :
de
en
- FR875702A - Checkered game, for several players :
en
fr
- US2297358A - Collapsible rack :
en
- CA407674A - Perforated plasterboard :
en
fr
- DE725958C - Shut-off valve for pressure medium containers, especially for fire extinguishing purposes :
de
en
- CH223563A - Aircraft variometer. :
de
en
- PL30933B1 - :
en
pl
- US2297518A - Variable speed hydraulic power transmission device :
en
- CH223595A - Chain drive with continuously adjustable transmission ratio. :
de
en
- USD133957S - Design for an engine stand :
en
- US2297374A - Light bulb socket :
en
- US2297617A - Conversion of hydrocarbon oils :
en
- GB548231A - Improved process and apparatus for the production of dispersible sulphur :
en
- GB548235A - Improvements in cathode ray tubes :
en
- DE725975C - Testing device for rail current closers :
de
en
- FR875748A - Cathode for electric discharge tubes :
en
fr
- US2297201A - Ship's berth :
en
- US2296985A - Window installation :
en
- CH223516A - Collapsible, transportable bed. :
de
en
- US2296846A - Telephone calling dial :
en
- US2297066A - Fingerprint cardholder :
en
- US2297311A - Flotation feed control :
en
- US2297413A - Tubing :
en
- US2297526A - Sofa-bed :
en
- US2296961A - Ceramic process :
en
- US2297350A - Dynamoelectric apparatus :
en
- US2297593A - Unrolling device for fourdrinier wires :
en
- US2297108A - Fluorescent material :
en
- US2297328A - Roller skate auxiliary :
en
- DE725739C - Device for discharging the adsorbent from adsorbers :
de
en
- GB548138A - Improved system of inflation units for preventing the accumulation of ice upon airfoil surfaces of aircraft :
en
- GB548185A - Improvements relating to shaving devices :
en
- FR875761A - Support for direction indicator especially for cyclists and motorcyclists :
en
fr
- FR875727A - Anti-foam device for skimmed milk :
en
fr
- FR875559A - Antenna tuning and coupling device :
en
fr
- FR875650A - Aircraft control device :
en
fr
- GB548176A - Improvements in or relating to means for driving and lubricating the valve gear and other auxiliaries of internal combustion engines :
en
- FR875737A - Single valve for gas burner :
en
fr
- DE725944C - Glass putty :
de
en
- DE725726C - Pressing device :
de
en
- DK60176C - Process for the Preparation of Ketols from the Cyclopentanopolyhydrophenanthene Series. :
da
en
- FR875788A - Improvements to machines for mounting on shoe lasts :
en
fr
- DE725713C - Counter :
de
en
- DE725980C - Power supply for electrical discharge vessels, especially made of quartz, and process for their production :
de
en
- US2297133A - Structural device :
en
- US2297559A - Shear :
en
- PL30919B1 - Telephone device for signaling the phonic current along the telephone circuit during a subsequent conversation :
en
pl
- CH223693A - Rim brake for bicycles. :
de
en
- US2297578A - Automatic constant current controller :
en
- US2297164A - Pipe replacing apparatus :
en
- CA407691A - Hydraulic transmission :
en
fr
- CH223548A - Process for the production of artificial leather. :
de
en
- AU340341A - Improved culinary implement :
en
- GB548259A - Improvements in or relating to retractable strake devices for the wheels of agricultural tractors and the like :
en
- US2296994A - Cleaning device :
en
- US2297400A - Driving mechanism for air propellers :
en
- AU115876B2 - Improved tool or appliance for expanding press-in lids of metal containers :
en
- US2297612A - Television and like system :
en
- BE446770A - :
en
fr
- PL30865B3 - :
en
pl
- US2297628A - Recovery of wastes from glass grinding and polishing operations :
en
- US2297141A - Precision balance :
en
- US2297412A - Apparatus for indicating the approach to the stalled condition of airplanes :
en
- CA407726A - Plate filter :
en
fr
- US2297020A - Circulating fluid washer :
en
- US2297670A - Method of protecting boilers and the like against embrittlement :
en
- DE725968C - Tail suspension for aircraft :
de
en
- AU297841A - Improvements in electric torches and similar appliances :
en
- US2297058A - Building framework :
en
- AU115902B2 - Improvements in or relating to cathodes for electric discharge tubes :
en
- PL30903B1 - A device for measuring the length of strands of fabrics :
en
pl
- US2297189A - Staking machine :
en
- US2297262A - Photographic apparatus :
en
- USD133910S - Design for a dispensing container
top :
en
- PL30890B1 - :
en
pl
- DE725900C - Brush holders for electrical machines :
de
en
- GB548135A - Improvements in or relating to the insulation of electroplating equipment :
en
- CA407686A - Carton handling and unloading machine :
en
fr
- PL30867B1 - A method for two-stage electric flue gas cleaning from a fired furnace using wet indirect cooling. :
en
pl
- FR875589A - Device for repeated spraying of water, in particular sea water :
en
fr
- GB548252A - Improvements in or relating to high aperture objectives :
en
- US2296951A - Commodity wrapper :
en
- CH223534A - Method for increasing the capillary activity of liquids. :
de
en
- FR875659A - Reel change device for winders :
en
fr
- FR875700A - Jet carburettor :
en
fr
- DE725863C - Process for the production of lead-saving cable sheaths by extrusion :
de
en
- FR875554A - Rolling seat adaptable to the front of a bicycle, device for connecting to the latter and vehicles obtained by the combination of this seat and a bicycle or other similar machine :
en
fr
- FR875701A - Positive connection between a door closer for pivoting doors and the construction element that connects this door closer to the door panel :
en
fr
- US2297314A - Drying apparatus :
en
- GB548159A - Improvements in or relating to stereoscopic optical systems :
en
- GB548256A - Improvements in or relating to photographic objectives :
en
- US2297237A - Aircraft engine :
en
- DE725917C - Device for securing the set position of the leaf springs on the frame of motor vehicles :
de
en
- DK60179C - Method for Manufacturing Negative Electrodes for Alkaline Accumulators. :
da
en
- US2297349A - Electrical switching device :
en
- USD133968S - Design for a handbag :
en
- US2296842A - Method of and apparatus for inserting indicia in soap :
en
- DE725786C - Thermal power plant in which a gaseous working medium, preferably air, continuously describes a closed circuit under excess pressure :
de
en
- DE725926C - Two-part snap fastener base, especially for fastening protective covers in motor vehicles :
de
en
- DE725967C - Process for the production of starch :
de
en
- US2296926A - Winding machine :
en
- US2297145A - Memo pad index and hinge therefor :
en
- CA407627A - Lamp hanger :
en
fr
- CA407721A - Iron anode :
en
fr
- AU341541A - Improved method of and means for supplying synthetic resin binding material to mineral fibre inthe manufacture of mineral wool :
en
- US2297029A - Whipstocking sleeve for drillable liners :
en
- DE725701C - Method of making bread :
de
en
- US2297008A - Holster lock :
en
- US2297347A - Pallet :
en
- FR875608A - Process for treating fluorine-containing aluminum manufacturing wastes :
en
fr
- FR875689A - Rigid connection to transverse forces for the ribs of aircraft wings and control surfaces :
en
fr
- AU115884B2 - Improved culinary implement :
en
- FR875745A - Insole with inserts :
en
fr
- DE725866C - Procedure for the remote control of signaling devices by Morse code in power systems :
de
en
- FR875654A - Installation for working with sheets of paper presented one by one :
en
fr
- FR875692A - Improvement in flexible wooden soles :
en
fr
- GB548197A - Producing high quality magnesium compounds from magnesium-containing substances :
en
- DE725928C - Device for drying heat-sensitive materials :
de
en
- FR875593A - Rayon cake stand :
en
fr
- GB548181A - Improvements in and relating to screw thread tapping machines and the like :
en
- GB548183A - Improvements in the manufacture of hydrogen :
en
- DE725817C - Computing device :
de
en
- CA407634A - Engine mounting :
en
fr
- FR875455A - :
fr
- DE725814C - Fuel containers for internal combustion engines, in particular for motor vehicles :
de
en
- DE725931C - Device for operating prime movers using liquid gases :
de
en
- DE725534C - Process for the preparation of isoquinoline compounds :
de
en
- DE724550C - Magnetic deflection system for Braun tubes :
de
en
- USD133918S - Design fok a brooch or similar
article :
en
- US2297656A - High overshoe :
en
- US2297397A - Process of insolubilizing protein fibers during their manufacture :
en
- DE1523476U - :
de
en
- US2296973A - Anemometer :
en
- US2297247A - Light-metal barrack :
en
- US2297160A - Angle riveter attachment :
en
- GB548149A - Improvements in or relating to flexible couplings and mountings for machines and the like :
en
- US2297057A - Preformed floor construction for buildings :
en
- US2297542A - Center gauge :
en
- US2297665A - Lubricating means for sewing machine loop takers :
en
- US2297476A - Goniometer :
en
- US2297577A - Counterbalance attachment for fishing rods :
en
- US2297521A - Commutator :
en
- US2297606A - Electric apparatus :
en
- US2297359A - Elevator control system :
en
- US2297643A - Method of forming metallic closures :
en
- DE725697C - Process for removing nitrogen oxides from distillation gases :
de
en
- DE725751C - Gas heated liquid heater for household purposes :
de
en
- DE725811C - Process for the production of protein-containing soups, sauces and the like like :
de
en
- DE725906C - Grain divider for mowing machines :
de
en
- AU322441A - Improvements in gas producers :
en
- CH223653A - Process for the preparation of methylamino-6-methyl-2-heptane. :
de
en
- PL30923B1 - :
en
pl
- US2296867A - Apparatus for controlling the proportionate admixture of ingredients with liquids :
en
- USD133946S - Design for a bottle :
en
- DE725956C - Packaging of sheet-shaped, light-sensitive material :
de
en
- CA407707A - Engine power transmission mechanism :
en
fr
- US2296932A - Clothesline fastener :
en
- US2297398A - Method of receiving and reproducing fast oscillations :
en
- US2296889A - Process of and apparatus for forming seamless fiber stock containers :
en
- US2297408A - Fluid meter :
en
- US2297239A - Discharge nozzle :
en
- US2297231A - Internal combustion engine :
en
- US2297381A - Ancillary driving motor :
en
- US2297470A - Sensitivity control for radio receivers :
en
- US2296837A - Vinyl esters and vinyl ester interchange process :
en
- CH223608A - Internal combustion engine. :
de
en
- PL30927B1 - :
en
pl
- CH223695A - Gear change device. :
en
fr
- DE725885C - Power machine, the shaft of which is carried along by the reciprocating piston, which is set in constant rotation with the aid of a screw groove that returns into itself :
de
en
- DE725970C - Process for charring dry matter obtained from alkaline waste liquors :
de
en
- CH223590A - Template turning device on lathes. :
de
en
- US2296872A - Sound recording and reproducing apparatus :
en
- FR875607A - Device for sealing the shafts of turbo-machines in thermal installations in which a working fluid in the gaseous state describes a closed circuit under pressure :
en
fr
- DE725768C - Airplane wing with swiveling nose :
de
en
- US2297481A - Electrically operated device for transmitting angular movement :
en
- DE725880C - Removable coupling for looms :
de
en
- AU115865B2 - An improved method of mounting producer gas units on vehicles :
en
- CH223537A - Process for the production of mellitic acid. :
de
en
- CH223623A - Electrical installation device with a housing made of synthetic resin that contains hygroscopic fillers. :
de
en
- US2297246A - Apparatus for use in glass tempering :
en
- US2296864A - Data transmission system :
en
- US2297581A - Refrigerator :
en
- PL30888B1 - :
en
pl
- US2297417A - Laminated product :
en
- USD133949S - Design for an artificial bait or
similar article :
en
- PL30885B1 - Ernst Gessner Aktiengesellschaft, Aue Shearing machine with a raised knife roller :
en
pl
- US2297286A - Sagger :
en
- US2297415A - Whipstock :
en
- US2297449A - Electron tube :
en
- CH223541A - Process for the preparation of an acidic disazo dye. :
de
en
- CA407701A - Ball and socket unit :
en
fr
- AU274840A - Improvement in and relating to producer gas units :
en
- CH223625A - Switch with two interruption points and with one arc extinguished by a self-generated extinguishing agent flow. :
de
en
- US2297167A - Coupling :
en
- US2297265A - Gyroscopic instrument :
en
- US2297366A - Suction cleaner :
en
- CH223651A - Apparatus for influencing nerves and muscles with electrical impulses. :
de
en
- CA13355S - Flower vase :
en
- US2296910A - Humidity control for pressing machines :
en
- US2297252A - Process for the purification of solutions that serve as generators for percompounds :
en
- DK60187C - Machine for Splitting Gas Generator Firewood. :
da
en
- CH223515A - Wall plugs of metal. :
de
en
- US2297148A - Railway signaling apparatus :
en
- CH223635A - Device with a cathode ray tube. :
de
en
- US2297102A - Lock nut :
en
- US2297509A - Leather tape drawing frame with drawing guide :
en
- CH223643A - Method for the precise melting of the electrode system of a cathode ray tube. :
de
en
- US2297180A - Typewriter word counter :
en
- US2297488A - Radio-frequency coil and electrostatic shield :
en
- CH223622A - Electrical apparatus. :
de
en
- CA407641A - Cop winding machine device :
en
fr
- DE725921C - Contact wire holder :
de
en
- US2296913A - Flatiron support mechanism :
en
- US2297305A - Magnetic induction accelerator :
en
- CH223493A - Sorting machine, in particular for fruit. :
de
en
- US2296898A - Adjustable thermostatic valve :
en
- US2296861A - Glue applicator :
en
- US2297453A - Optical glass :
en
- FR875762A - Process for the reproduction of sound recordings on color films :
en
fr
- CA407728A - Catalytic hydrogenation :
en
fr
- US2297586A - Aerating machine :
en
- US2297652A - Selective switch and mounting therefor :
en
- FR875605A - Rewinder for paper with two carrier cylinders :
en
fr
- GB548175A - Improvements in and relating to valves adapted for use in hydraulic power transmission systems :
en
- US2297384A - Tractor planter :
en
- CA407680A - Synchroscope :
en
fr
- PL30881B1 - Method of preserving yeast :
en
pl
- DE725744C - Room for microphone recording of acoustic performances :
de
en
- DE725678C - Process for the production of artificial leather :
de
en
- DE725797C - Process for the production of pure amidosulfonic acid :
de
en
- DE725965C - Dolphins :
de
en
- US2297372A - Combined seaming and auxiliary mechanism :
en
- US2297393A - Band transmission testing circuit :
en
- US2296860A - Plant incubator :
en
- FR875795A - Treatment of mineral oils with solvents :
en
fr
- DE725614C - A device that does not influence the measuring pressure of the feeler pin to prevent dead gear in dial gauge gears :
de
en
- US2296891A - Cement :
en
- US2297282A - Color-matching device :
en
- BE446838A - :
en
fr
- US2296836A - Roughing machine :
en
- PL30877B1 - :
en
pl
- US2297380A - Carrier current control system :
en
- PL30864B1 - :
en
pl
- US2297110A - Dusting apparatus and nozzle construction :
en
- US2297473A - Welding appliance :
en
- USD133921S - Design for a stojge front :
en
- US2297026A - Gear shifting mechanism :
en
- US2297127A - Pneumatic cushion :
en
- FR875583A - Removable connection connector for cables :
en
fr
- FR875591A - Automotive cooling device :
en
fr
- PL30936B1 - :
en
pl
- US2296849A - Cabinet for the quick sprouting of soybeans for food :
en
- US2297187A - Potentiometer :
en
- US2296909A - Spreader :
en
- US2296980A - Shell :
en
- FR875597A - Manufacturing process of high strength rayon and bulk fibers from viscose and by alkali stretching :
en
fr
- US2296897A - Dewatering of fibrous materials :
en
- US2297025A - Air pump :
en
- DE725603C - Process for the continuous pressure hydrogenation of solid, non-meltable carbonaceous starting materials :
de
en
- DE725999C - Compound drafting system for roving machines :
de
en
- CH223618A - Small refrigerator. :
de
en
- DE725789C - Nurse call system with emergency call :
de
en
- US2296968A - Utility service clamp :
en
- US2297546A - Refractory casting :
en
- US2297099A - Tunnel lining machine :
en
- DE725942C - Multiple switches for push-button radio receivers :
de
en
- GB548270A - Improvements in or relating to supercharged internal-combustion engines :
en
- FR875676A - Method for the operation of internal combustion engines with several fuels :
en
fr
- US2296826A - Process for the treatment of rubber or the like :
en
- US2296840A - Finishing process :
en
- US2296874A - Printing telegraph apparatus :
en
- US2297021A - Axle box dust seal :
en
- US2297346A - Measuring instrument :
en
- US2297539A - Porous ceramic articles and method of making the same :
en
- US2297211A - Condenser microphone :
en
- US2297130A - Drag preventing means for projectiles :
en
- US2297079A - Solution of chemotherapeutic agents in ethylidene glycerol :
en
- GB548192A - Improvements relating to apparatus for the conversion or inversion of direct electric current to alternating current :
en
- GB548151A - Improvements in or relating to method of and apparatus and means for cutting a traveling web of flexible material :
en
- FR875558A - New process concerning the use of certain meat recognized as unfit for consumption and resulting product :
en
fr
- US2296850A - Acidified diatomaceous earth filter aid :
en
- US2296912A - Apparatus for forming "cloverleaf" rolls :
en
- FR875777A - Photometer :
en
fr
- FR875789A - Internal combustion engine :
en
fr
- FR875790A - Process for processing products shaped into coagulated protein :
en
fr
- CH223672A - A method of packaging a body of revolution and a device for implementing this method. :
en
fr
- DE725847C - Electron beam tubes for examining irradiated objects (electron diffraction tubes or electron microscope) :
de
en
- PL30891B1 - :
en
pl
- US2297514A - Wave coil having a smoothed characteristic impedance :
en
- US2296959A - Winding machine :
en
- USD133909S - Bracket for supporting-an outboard motor :
en
- US2296996A - Directional drift recorder :
en
- US2297184A - Sheet handling apparatus for rolling mills :
en
- US2297484A - Electrode holder :
en
- DE725833C - Mass compensation for vibrating screens :
de
en
- FR875779A - Removable pump device for agricultural pre-pressure sprayers and the like :
en
fr
- DE725709C - Ladder walk on work scaffolding :
de
en
- SE105606C1 - Hair clips have thread-shaped hair clips :
en
sv
- CA13352S - Combined air nozzle and gauge for tires :
en
- CH223611A - Ignition transformer for short-term operation. :
de
en
- DE725743C - Friction plate for multi-disc brakes and clutches :
de
en
- DE725977C - Two-wire intermediate amplifier :
de
en
- CH223503A - Method and device for achieving better combustion of solid fuels in cooking stoves as well as heating ovens and boilers. :
de
en
- FR875695A - Rectifier or inverter device :
en
fr
- US2297258A - Discharge device :
en
- AU385741A - Improved tool or appliance for expanding press-in lids of metal containers :
en
- US2297428A - Reflex camera :
en
- US2297538A - Liquid oxygen explosive :
en
- AU331241A - Improvements in windows ofthe double casement type :
en
- US2297104A - Piston ring :
en
- PL30935B3 - Auto Union Aktiengesellschaft, Chemnitz Bodywork especially for motor vehicles :
en
pl
- US2297027A - Shoe :
en
- AU296841A - Improved process and apparatus for the distillation of materials and the recovery of volatile products :
en
- DE725658C - Process for the production of cellulose ethers, the aqueous solutions of which are resistant to boiling :
de
en
- CA407663A - Jacket unit for slotted plugs :
en
fr
- CA407675A - Photographic material :
en
fr
- CH223624A - Through terminal with a terminal body made of sheet metal. :
de
en
- CH223517A - Device on furniture mounted on castors or wheels to make it easier to drive over obstacles on the ground. :
de
en
- GB548203A - Improvements in means for releasing gliders from aeroplanes or for similar purposes :
en
- US2296896A - Method of making duplex containers :
en
- US2297074A - Manhole grinding machine :
en
- US2297051A - Window and car construction :
en
- AU115892B2 - Manufacture of abrasive coated webs :
en
- CA407735A - Porous concrete well strainer :
en
fr
- CH223717A - Seconds counter on a clock. :
de
en
- DE725780C - Auxiliary device on band knife splitting machines :
de
en
- DE725994C - Brake control, especially for motor tractors :
de
en
- DE725707C - Device for producing mixtures, in particular cement, tar and asphalt concrete for road construction :
de
en
- GB548168A - Improvements in or relating to furnace tilting devices :
en
- CA407626A - Snow-plane :
en
fr
- CA407745A - Fluid pressure braking system :
en
fr
- GB548163A - Improvements relating to electric sheathed wire heaters :
en
- GB548195A - Improvements in and relating to automatic pilots for aircraft :
en
- GB548250A - Improvements in or relating to shoe upper conforming machines :
en
- CH223502A - Cooking stove with sawdust. :
de
en
- CA407630A - Driving control unit for lathes :
en
fr
- CH223521A - Device for filling bottles and similar vessels. :
de
en
- CA13354S - Refrigerator :
en
- PL30928B1 - Martin Vermóhlen, Aachen Illuminated liquid level indicator, especially for steam boilers :
en
pl
- US2297155A - Cutting device :
en
- US2297307A - Process for roasting ore :
en
- FR875713A - emollient for polyurethanes :
en
fr
- PL30918B1 - :
en
pl
- FR875621A - Hand tool for working the edges of thin sheets :
en
fr
- PL30863B1 - A method of obtaining color photographs and a slide material for carrying out this method :
en
pl
- CA407616A - Leather processing :
en
fr
- FR875671A - Improvements to wood gasifiers :
en
fr
- DE725684C - Device for the treatment of fluids by ultraviolet rays :
de
en
- GB548154A - Improvements in or relating to roofing tiles or slabs :
en
- GB548269A - Improvements relating to frequency modulated oscillators :
en
- GB548267A - Improvements in pressure responsive measuring devices :
en
- US2297223A - Means for uniting sheet metal :
en
- PL30875B1 - :
en
pl
- US2297291A - Grappling or pulling tool :
en
- US2297563A - Gear shifting mechanism :
en
- FR875598A - Mounting device for telegraph transmissions by alternating current with phase inversion :
en
fr
- FR875768A - Towing device preventing tractors from pitching up :
en
fr
- CH223637A - Iron body with winding. :
de
en
- CH223648A - Device for starting and supplying under low voltage an electric discharge tube. :
en
fr
- DE725886C - Safety device against water hammer in steam power plants :
de
en
- FR875782A - Process for the manufacture of materials and articles with a cellular texture based mainly on synthetic resins :
en
fr
- US2297367A - Method of producing steroid ketones from steroid alcohols :
en
- FR875754A - Fuel nozzle :
en
fr
- PL30873B1 - Device for changing the height of the setting above the ground surface of the barrel of a firearm, in particular the barrel of automatic weapons :
en
pl
- FR875601A - Method for increasing efficiency in gas diesel engines :
en
fr
- FR875639A - Protection and launching device for lifeboats :
en
fr
- DE725730C - Bucket wheel excavator for high and low cut :
de
en
- FR875610A - Device to prevent the formation of foam in the constrictions crossed by liquids, in particular in the safety valves of pressurized oil installations on board airplanes :
en
fr
- FR875614A - Improvements to frequency changing receivers with automatic antifading adjustment :
en
fr
- US2297059A - Railway switch heater :
en
- US2297423A - Auxiliary switch for electromagnetically operated devices :
en
- US2297536A - Cotton fibers and method of treating same :
en
- US2296986A - Fluid pressure mechanism :
en
- USD133969S - Design fob ultraviolet lamp :
en
- GB548221A - Improvements in or relating to the manufacture of tape covered bundles of insulated wires :
en
- DE725995C - Easily detachable attachment of the decorative cover covering the wheel attachment :
de
en
- BE446802A - :
en
fr
- USD133952S - Design foe, a linoleum ok similar
article :
en
- US2296928A - Projecting apparatus :
en
- US2297664A - Concentrating langbeinite :
en
- US2297310A - Pick-up mechanism :
en
- US2297627A - Venetian blind :
en
- BE446794A - :
en
- US2296987A - Controllable pitch propeller :
en
- US2297443A - Television image projection system :
en
- PL30909B1 - :
en
pl
- US2296851A - Road machine :
en
- CH223658A - Installation of printing telegraph. :
en
fr
- US2297280A - Refrigeration :
en
- US2297356A - Material handling device :
en
- GB548173A - Improvements in or relating to electrolytic cells :
en
- US2296942A - Method of providing fastening material :
en
- US2297049A - Blower structure :
en
- US2296974A - Method of sterilizing containers :
en
- US2297006A - Gun perforator firing system :
en
- US2297618A - Remote control system :
en
- ES151288A1 - A PRINTING SYSTEM OF SIMPLE OR COMPOSITE FREQUENCY OSCILLATIONS, THROUGH PHOTOGRAPHY, PRESERVING ITS NATURAL FORM AT ALL TIMES :
en
es
- CH223711A - Process for the production of a vat dye. :
de
en
- FR875711A - Extendable clasp for lady's bag or other :
en
fr
- US2296937A - Collapsible carrier and display carton for bottles :
en
- US2297331A - Method of preparing fruit sirups :
en
- USD133905S - Design for an automobile :
en
- US2297424A - Process for the manufacture of diolefins from alcohols and aldehydes :
en
- US2297634A - Photographic camera :
en
- USD133902S - Combined armchair and ash receptical :
en
- CH223642A - Method for setting the exact mutual distance between two electrodes of an electrical discharge vessel. :
de
en
- CA407671A - Substance detection method :
en
fr
- CA407652A - Chromium metallurgy :
en
fr
- PL30892B1 - :
en
pl
- CA407687A - Corn steeping process :
en
fr
- CH223663A - Circuit arrangement with at least one reactance tube. :
de
en
- US2296977A - Hydroplane hull structure :
en
- US2297496A - Water ski and like :
en
- CA407712A - Grinding wheel :
en
fr
- CH223543A - Antiseptic soap. :
en
fr
- DE725710C - Orientation compass :
de
en
- DE722293C - Procedure for the detection of sedentary warfare agents :
de
en
- DE725779C - Process for the production of a wall covering :
de
en
- US2297226A - Spinner for the hubs of airscrews :
en
- CA407746A - Pyrolysis method :
en
fr
- US2297091A - Window screen latch :
en
- US2297511A - Liquid injection pump :
en
- US2297186A - Hydrometer :
en
- FR875592A - Electric boiler with steam compressor for industrial production of disilled water :
en
fr
- DE725755C - Braking device, especially for braking power machines on the test bench :
de
en
- CH223553A - Process for the production of security paper. :
de
en
- US2297092A - Telephone system :
en
- AU481042A - Manufacture of abrasive coated webs :
en
- CA407640A - Clamp :
en
fr
- CA407718A - Draft gear :
en
fr
- PL30937B1 - :
en
pl
- PL30938B1 - Alex. Friedmann Kommandit-Gesellschaft, Wieden Low pressure steam heater, made of pipes, arranged in a lattice shape :
en
pl
- US2297019A - Cell cover for storage batteries :
en
- US2297388A - Disinfectant and process of its manufacture :
en
- US2297501A - Feed interruption device for slides :
en
- CA407676A - Electrical oscillation generator and amplifier :
en
fr
- US2297640A - Breech mechanism for automatic firearms :
en
- US2296880A - Fastener :
en
- US2296971A - Bullet retainer for gun perforators :
en
- BE446864A - Pulse rate telemetry :
en
fr
- CH223709A - Process for the production of a new azo dye. :
de
en
- AU291841A - Improved electrical shielding means for storage batteries :
en
- CH223508A - Lock closure. :
en
fr
- CH223579A - Flux for cleaning magnesium and its alloys. :
de
en
- US2296993A - Control disconnect :
en
- US2297233A - Speed warning signal :
en
- CH223683A - Wheel hub. :
de
en
- CH223558A - Photographic layer for suction processes. :
de
en
- USD133941S - Typewriting machine :
en
- US2297193A - Garbage can holder :
en
- CH223488A - Self-holding plow. :
de
en
- CH223685A - Device for joining and gluing two rubber hose ends. :
de
en
- US2296976A - Electric weighing machine :
en
- USRE22187E - Method and apparatus for manufac :
en
- US2297113A - Piston ring :
en
- US2296839A - Duplex plug-in socket device :
en
- US2296964A - Machine for inserting blocks in hollow articles :
en
- US2297404A - Grid controlled amplifying tube :
en
- CA407623A - Shoe :
en
fr
- CA407698A - Power take off :
en
fr
- DE725871C - Milk heater with drum agitator :
de
en
- FR875613A - Servo-motor regulator :
en
fr
- FR875707A - Method for removing grain disturbance from fluorescent material in cathode ray television scanners :
en
fr
- GB548188A - Improvements in and relating to valve supports :
en
- US2297260A - Manufacture of artificial silk :
en
- US2297392A - Arrangement for the background noiseless production of sound films :
en
- CH223626A - Method and device for automatic control with small electrical control powers. :
de
en
- CH223495A - Ear tag to identify animals. :
de
en
- DE725973C - Solenoid controlled valve for refrigeration systems :
de
en
- CH223664A - Device for generating or amplifying sawtooth-shaped vibrations. :
de
en
- US2297256A - Tube control :
en
- PL30934B1 - :
en
pl
- US2297083A - Method for dissolving hard and difficultly soluble fossil resins, especially copal resins :
en
- USD133932S - Design for pajamas :
en
- CH223662A - Amplifier circuit for ultra-short waves. :
de
en
- US2296956A - Stove drawer :
en
- CH223701A - Process for the preparation of pentaerythritol. :
de
en
- US2297289A - Furnace discharging device :
en
- US2296972A - Coated chart paper and method of making same :
en
- US2297214A - Aircraft motor gearing :
en
- US2296981A - Method and apparatus for determining the point of water entry into oil wells :
en
- US2297192A - Earth boring tool :
en
- USD133950S - Design for a deck of playing cakds :
en
- AU115874B2 - Improvements ingolf clubs :
en
- PL30893B1 - :
en
pl
- US2297023A - Hinge mounting for swinging closures :
en
- DE725650C - Method for gluing materials, in particular plywood :
de
en
- DE725838C - Barrel roller :
de
en
- CH223654A - Process for the preparation of the sodium salt of an abietic acid derivative. :
de
en
- US2297038A - Gun perforator :
en
- US2297142A - Socket and the method of its attachment to the root ends of airscrew blades, spars, struts, or the like :
en
- CH223661A - Circuit arrangement for telephone systems with main and sub-offices. :
de
en
- CA407719A - Sterol product :
en
fr
- CH223694A - Three-speed hub for bicycles. :
de
en
- USD133954S - Design fop* a mechanic s apron :
en
- US2297295A - Yieldable connections for cooperation converyer units :
en
- US2296843A - Dyed substance :
en
- US2297124A - Lighting fixture :
en
- CA407734A - Floor protection for railway cars :
en
fr
- AU115899B2 - Improved process and apparatus for the distillation of materials and the recovery of volatile products :
en
- AU115885B2 - Improved method of and means for supplying synthetic resin binding material to mineral fibre inthe manufacture of mineral wool :
en
- AU362341A - Improved self-closing plug and drain assembly for washbasins sinks andthe like :
en
- CA407743A - Locking snap fastener :
en
fr
- CA407753A - Charcoal kiln :
en
fr
- FR875664A - Heating unit, especially for aircraft :
en
fr
- US2297615A - Socket assembly :
en
- DE725700C - Retractable landing gear, especially for tailless aircraft :
de
en
- US2297078A - Drill press :
en
- BE447001A - :
en
fr
- US2296989A - Change box :
en
- US2297072A - Banding for tops of desks and other furniture :
en
- US2297271A - Galvanoplastic multiplication of sound record bands :
en
- CH223650A - Massager. :
en
fr
- CH223696A - Gearboxes for bicycles. :
de
en
- US2296997A - Condensate disposal means :
en
- US2297052A - Sprinkler head :
en
- US2296923A - Scale :
en
- US2297056A - Building structure and wall :
en
- DE714641C - Method and device for the production of curved rubber clichés from single or multi-layered, in particular flat rubber clichés for forme cylinders provided with insert plates made of thermoplastic material :
de
en
- CH223545A - Ignition rod for lighting the fire in gas generators or the like. And process for its production. :
de
en
- CH223615A - Turbine, especially for high temperature propellants. :
de
en
- CA407727A - Generator regulator :
en
fr
- CH223629A - Device with vacuum switch for low force drive. :
de
en
- USD133915S - Design for. a crutch :
en
- AU440142A - Improvements inthe method and machine for making hats :
en
- CH223689A - Device intended to prevent the contact of the cyclist's clothing with the rear wheel of a cycle. :
en
fr
- CH223486A - Device for displaying the depth position for agricultural implements and attachments on tractors with a lifting and lowering attachment device. :
de
en
- US2297532A - Projector :
en
- CH223649A - A gas-filled electric discharge tube comprising thermo-emissive electrodes heated by the discharge. :
en
fr
- CH223636A - Vacuum-tight, heat-resistant, ring-shaped connection between a metallic and a ceramic body. :
de
en
- US2297132A - Bomb sight for airplanes :
en
- US2297641A - Apparatus for determining the freezing point of liquids :
en
- US2297386A - Mounting for control devices :
en
- US2297493A - Floating parachute pack :
en
- CH223566A - Method for determining the fatigue strength of test bars by means of a continuous hammer mechanism. :
de
en
- CH223588A - Safety razor. :
en
fr
- US2297455A - Coal tar pitch and a method for preparing the same :
en
- US2297504A - Method and apparatus for molding plastic material :
en
- US2297561A - Machine for applying cement to flexible strips :
en
- DE725758C - Zuendraentlueftung for internal combustion engines with slide control :
de
en
- GB548222A - Improvements in or relating to dress forms and process of making the same :
en
- US2297653A - Fuel pump :
en
- USD133936S - Design for a cooker pot :
en
- BE446762A - :
en
- AU293641A - Improvements in arched roof construction :
en
- US2297137A - Handwheel and yoke sleeve combination :
en
- US2296907A - Pneumatically operated die-casting machine :
en
- CA407612A - Hairdress device :
en
fr
- FR875587A - Process for producing a sintered iron ore that is strong and resistant to atmospheric influences :
en
fr
- FR875746A - Asymmetric polyazo dyes and method of manufacture :
en
fr
- FR875647A - Multi-engine aircraft :
en
fr
- GB548233A - Improvements in and relating to reciprocating pumps :
en
- US2297090A - Delayed action cam mechanism :
en
- US2297123A - Automobile frame :
en
- CA407703A - Pressure casting die :
en
fr
- CA407637A - Door :
en
fr
- CH223527A - Spool changing device on a spindleless winding machine. :
de
en
- AU275040A - An improved method of mounting producer gas units on vehicles :
en
- GB548251A - Improvements in or relating to photographic objectives :
en
- US2296832A - Portable flame machine :
en
- US2297179A - Underfloor duct system :
en
- CH223667A - Reception and display device for detector license plates, which are transmitted in the form of pulse groups separated from one another by pauses. :
de
en
- US2297205A - Television receiver :
en
- CA407711A - Grinding wheel :
en
fr
- CA407673A - Earth boring method :
en
fr
- GB548237A - Improvements relating to the disposition of blowers on internal combustion engines :
en
- AU481542A - Cheese package :
en
- DE725777C - Anti-theft device acting on the steering mechanism of bicycles :
de
en
- US2297045A - Centerless grinding machine :
en
- US2297101A - Building structure :
en
- US2297599A - Effervescent tablet :
en
- DE725645C - Rolling bearing with cage for slide guides of machine tools :
de
en
- FR875586A - New shuttle lock tongue for looms :
en
fr
- FR875781A - Automatic acetylene generator :
en
fr
- GB548172A - Improvements in matting lustrous fibrous materials and preparations therefor :
en
- US2297216A - Test circuit arrangement :
en
- US2297304A - Wrap stripe device for circular knitting machines :
en
- US2297134A - Stoker mechanism :
en
- US2297554A - Welding :
en
- FR875672A - Projection apparatus for the light image of a cathode ray tube :
en
fr
- CH223705A - Process for the preparation of a green chromating dye. :
de
en
- USD133938S - Design for a woven elastic fabric :
en
- USRE22190E - van cleave :
en
- US2296953A - Apparatus fob feeding and control :
en
- CH223669A - Holding device for signs. :
de
en
- US2296854A - Dielectric material :
en
- US2297207A - Radio frequency switch :
en
- US2297296A - Conveyer :
en
- US2297624A - Bicycle stand :
en
- CA407636A - Carton stitcher :
en
fr
- US2297365A - Telephone system :
en
- US2297462A - Type wheel for telegraph apparatus :
en
- CH223556A - Method for feeding the layers of a stack of layers onto the saddle of a machine processing paper layers, in particular a book stapling machine and device for carrying out this method. :
de
en
- DE725775C - Tension lock for anti-skid chains :
de
en
- DE725805C - Rope binding with thimbles :
de
en
- PL30925B1 - :
en
pl
- DE725727C - Drying oven for shredded tank wood and other combustible materials :
de
en
- DE725943C - Control device for direct current motors, especially for multi-motor drives of paper machines :
de
en
- US2296834A - Pneumatic gun, bellows type :
en
- US2296955A - Flexible coupling :
en
- US2297491A - Method of manufacturing tubular composite metal bodies :
en
- BE446727A - :
en
fr
- CH223498A - Supporting structure. :
de
en
- US2297631A - Refrigerator :
en
- CH223600A - Head support ring with blading for radial pressurized centrifugal machines. :
de
en
- CH223645A - Gas tap with safety device. :
de
en
- CH223544A - Soap. :
de
en
- CH223718A - Process for the production of steel alloys with high creep strength at temperatures above 500ºC. :
de
en
- US2297251A - Device for measuring displacements with carrier frequency :
en
- DE725851C - Process for the production of tubular hollow bodies from parchment paper :
de
en
- US2297510A - Electromagnetic ignition device, particularly for internal combustion engines :
en
- FR875757A - Pressure balancing valve for injection pumps of internal combustion engines :
en
fr
- US2297071A - Steam heating apparatus :
en
- US2297354A - Method of treading tire casings :
en
- US2297629A - Hinged structure :
en
- FR875786A - Safety cofferdam for large dams :
en
fr
- DE725909C - Method for the production of solder connections on light metal, in particular aluminum ropes or strands :
de
en
- DE725939C - Receiver, in particular target flight receiver, with a low frequency tube, the external resistance of which consists of several indicators (telephone, display instrument) :
de
en
- BE446913A - :
en
- FR875673A - Acid dyes for wool and their preparation process :
en
fr
- CH223659A - Amplifier arrangement. :
de
en
- FR875698A - Improvements to electric vibrating switches :
en
fr
- PL30896B1 - :
en
pl
- ES151284A1 - A TIME CONTROL DEVICE FOR AUTOMATIC SWITCHING OF TWO OR MORE ELECTRICAL CIRCUITS :
en
es
- FR875679A - Process for preparing a coffee substitute or coffee addition :
en
fr
- US2297022A - Method of making closed cell rubber :
en
- FR875778A - Agricultural backpack sprayer :
en
fr
- US2296904A - Game :
en
- US2297121A - Railway signaling system :
en
- DE725641C - Bicycle spoke lock :
de
en
- FR875750A - Process for the pure preparation of thiodiglycolic acid :
en
fr
- DE725940C - Tube toggle relay for controlling language-influenced devices :
de
en
- FR875678A - Transparent glass, incandescent lamp or the like for headlights, especially those of vehicles :
en
fr
- FR875694A - Electrical assembly for adjusting the image of a cathode ray tube in position :
en
fr
- US2297111A - Apparatus for operating flashlights and cameras :
en
- US2297498A - Power supply system :
en
- GB548258A - An improved shuttle :
en
- PL30887B1 - Warszawska Fabryka Wienców Metalowych Boleslaw Paliszewski, Artificial flower made of metal sheet, especially for metal wreaths, and the method of its production :
en
pl
- FR875680A - Generation of high voltage current from low voltage :
en
fr
- GB548245A - Improvements in sound reproducing and receiving devices :
en
- CH223691A - Device for attaching handles to handle support tubes, in particular to bicycle handlebars. :
de
en
- US2296852A - Earth exploration :
en
- US2297065A - Peanut harvester :
en
- DK60191C - Procedure for the production of caffeinated cereals. :
da
en
- US2296908A - Color television system :
en
- US2297595A - Footwear :
en
- USD133944S - Design for a grave marker :
en
- PL30866B1 - :
en
pl
- CH223540A - Process for the production of a condensation product. :
de
en
- ES151281A3 - A PROCEDURE FOR THE MANUFACTURE OF A SCRAPING METAL :
en
es
- GB548201A - Improvements in and relating to log band-saws :
en
- DE725845C - Car wash :
de
en
- FR875649A - Hull structure with large longitudinal indentation and box torque :
en
fr
- US2297555A - Electrical precipitator :
en
- CH223607A - Snap-off coupling for coupling magnetos, especially multi-pole magnetos, to internal combustion engines. :
de
en
- US2297446A - Hollow blade for exhaust gas turbine rotors :
en
- US2297070A - Slide fastener manufacture :
en
- CA407645A - Can filling machine :
en
fr
- DE725772C - Handcart for pressure bottles :
de
en
- DK60186C - Wall cladding. :
da
en
- FR875632A - Improvements made to the connecting conductors of electrical resistance bars and their manufacturing processes :
en
fr
- FR875734A - Dental X-ray film package :
en
fr
- FR875794A - Process for improving rubber and similar products :
en
fr
- US2297000A - Floor mat :
en
- US2297061A - Thread-controlling mechanism for overedge sewing machines :
en
- US2297416A - Examination of substances or bodies by means of neutrons and x-rays :
en
- GB548211A - Improvements in or relating to centrifugal governors :
en
- US2297095A - Switch :
en
- US2297228A - Glide path producing means :
en
- AU291441A - Improvements relating to blow lamps andthe like :
en
- US2296882A - Crystal bridge circuit for radio amplifiers :
en
- US2297149A - Glass cutting machine :
en
- US2297587A - Paper feed mechanism for printing machines :
en
- USD133960S - Design for a dress :
en
- USRE22184E - Calculating mechanism for measur :
en
- USRE22191E - Gravity separation of ores :
en
- FR875562A - Process for the desiccation of vegetables and fruits with a view to their preservation :
en
fr
- US2297537A - Petroleum refining :
en
- US2297204A - Process for the manufacture of slidable rubber :
en
- US2296829A - Making alkali cellulose of low water content :
en
- US2297097A - Receptacle :
en
- DE725706C - Replacing the shaft seal on compressors for refrigeration machines :
de
en
- GB548271A - An improved method and apparatus for expressing liquid from pulp :
en
- DE725642C - Two-wheeled pedal or motor bike with a load carrier arranged above the rear wheel :
de
en
- DE712576C - Skid for apron stretchers :
de
en
- DE725698C - Process for making matted halosilver gelatin layers :
de
en
- PL30922B1 - :
en
pl
- CH223580A - Copper-zinc alloy, especially for the manufacture of machine parts subject to sliding stress. :
de
en
- DE725891C - Electrical heating of pantograph contact pieces :
de
en
- DE725702C - Device for guiding fabric, film or paper webs, especially in drying chambers :
de
en
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de
en
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en
fr
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en
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en
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en
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en
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de
en
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en
fr
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en
fr
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en
fr
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en
fr
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en
fr