• US2037100A - Machine for dusting bran : en
  • US2037434A - Pump : en
  • US2037435A - Adjustable lamp stand : en
  • NL37829C - : en
  • CH183452A - Process for the preparation of an aryldiazonium salt. : de en
  • FR796921A - Device allowing plows to penetrate the earth in times of great drought : en fr
  • US2037452A - Slippage compensator for sound units : en
  • US2037462A - Coin controlled mechanism : en
  • CA357183A - Door : en fr
  • CA357231A - Friction clutch : en fr
  • US2037009A - Process of treating food materials : en
  • US2037034A - Braking system : en
  • CA357136A - Belt fastener : en fr
  • CH183404A - Humidifiers for radiators. : de en
  • US2037641A - Auxiliary locomotive : en
  • US2037663A - Flow controlling device : en
  • US2037502A - Carton : en
  • CA357130A - Spring : en fr
  • US2037512A - Method of producing cross-wound warp beams and apparatus therefor : en
  • GB445757A - An improved process for the conversion of mineral oils into oils of lower boiling point : en
  • US2037031A - Machine for making rubber threads and method of making the same : en
  • US2037362A - Sliced loaf bagging device : en
  • US2037533A - Grid structure for vapor electric devices : en
  • CA357165A - Bicycle frame : en fr
  • US2037117A - Air brake : en
  • DE628715C - Process for the production of ethers or esters of ether alcohols : de en
  • DE628719C - Device for load-dependent speed control with alternating loads DC drives, e.g. for folding bridges : de en
  • CA357149A - Foot arch support : en fr
  • DE628810C - Process for the production of socks in one operation on the flat weft knitting machine : de en
  • US2037456A - Automatic volume control : en
  • FR796797A - Method and means for carrying out anion exchanges in solutions : en fr
  • US2037109A - Quick detachable brake lining unit : en
  • GB445516A - A locking device for motor cycles and the like : en
  • GB445630A - Improvements in or relating to high-pressure gas-lighting systems : en
  • US2037337A - Heating apparatus : en
  • FR796859A - Power generator installation for airplanes : en fr
  • GB445494A - Servo-motor for operating brakes : en
  • CH183507A - Automatic lathe with circumferential guide bush for the material bar. : de en
  • ES4064Y - New type of blotter to dry signatures. : en es
  • FR796743A - Bottle with combined drinking cup and measuring container : en fr
  • CH183505A - Process for the production of strip metal and sheet metal. : de en
  • AU93636A - Improvements in or relating to electric discharge tubes : en
  • CA357212A - Power lift clutch mechanism : en fr
  • CH183592A - Process for the preparation of an azo dye. : de en
  • US2037281A - Universal joint : en
  • US2037550A - Ironing machine : en
  • GB445670A - Improvements in paper-adjusting devices for typewriters, calculating and like machines : en
  • US2037437A - Xanthates : en
  • US2037211A - Method of baling paper pulp : en
  • USD99278S - Design for a shoe : en
  • DK51506C - Pump for Oil or other liquid Fuel. : da en
  • GB445660A - Improved watch with concealable dial : en
  • GB445513A - Improvements in and relating to spectacles : en
  • US2037119A - Continuous bleaching process : en
  • US2037464A - Motor vehicle driving mechanism : en
  • US2037041A - Illuminated sign : en
  • USD99320S - Design for a shoe or similar article : en
  • US2037629A - Duplex curtain : en
  • DE628731C - Weighing device for automatic, periodic and group-wise weighing of cigarettes : de en
  • DE628780C - Tank stabilization system for ships : de en
  • DE628815C - Lens with a light filter consisting of different colored zones : de en
  • GB445567A - Diaphragm valves : en
  • ES4043Y - Detachable hammock. : en es
  • GB445637A - Improvements relating to door latch or latch and lock operating mechanism : en
  • CA357195A - Filter : en fr
  • CH183536A - Magneto. : de en
  • DE627722C - Vehicle for railways : de en
  • DE628680C - Steep winder for permanent hair waving devices : de en
  • US2037154A - Radio receiving system : en
  • US2037054A - Rotary driving connection : en
  • US2037019A - Boiler : en
  • GB445553A - Improvements in methods and apparatus for ventilating or heating vehicle bodies : en
  • US2037433A - Aircraft with rotary sustaining wings : en
  • US2037012A - Process for the production of polyvinyl compounds : en
  • US2037087A - Device for producing artificial silk threads of perfectly uniform cross-sectional shape : en
  • US2037128A - Compressor control structure : en
  • US2037583A - Actuating mechanism for aeroplane flotation devices : en
  • DE628742C - Device for operating individual electrical devices in electric toy trains powered by direct current by remote control : de en
  • DE628777C - Device for turning spherical surfaces : de en
  • US2037534A - Vehicle jack : en
  • DE628857C - Rotary grate gas generator with rotatable ash pan : de en
  • GB445581A - Process for the manufacture of heterocyclic hydroxy compounds : en
  • US2037021A - Tank truck : en
  • ES3937U - Cancel, more particularly destined to shop windows and samples (Machine-translation by Google Translate, not legally binding) : en es
  • DE628705C - Circuit arrangement for telecommunication systems, in particular telephone systems, in which, on a common line, optionally callable branch points can lead individual and group calls : de en
  • GR5738B - LIME FURNITURE CONTINUOUS BURNING FOR CRUDE OIL. : el en
  • GB445644A - Electrostatic charging apparatus : en
  • CA357168A - Gypsum plaster : en fr
  • CH183590A - Process for the preparation of a chromium-containing azo dye. : de en
  • CA357143A - Tennis ball : en fr
  • US2037086A - Automatic web guide : en
  • DK51525C - Method for non-mechanical regulation of the performance of a pump for gaseous liquids and a pump intended for the performance of the method. : da en
  • FR796963A - Suction gas production apparatus working with prior compression : en fr
  • DE628915C - Thread connection for pipes : de en
  • US2037330A - Apparatus for feeding and severing webs : en
  • US2037210A - Roll changing apparatus : en
  • ES3940Y - Protective fixative for elastic strips on clothing and orthopedic devices. : en es
  • ES4026Y - Paper container for liquids. : en es
  • GB445654A - Improvements in typewriting machines : en
  • DE628855C - Monitoring device for electric motors : de en
  • US2037321A - Clutch and brake operating mechanism : en
  • USRE19930E - Hose supporter : en
  • USD99270S - Design for a bottle : en
  • USD99306S - Design for an instrument case : en
  • US2037121A - Power-driven reciprocating hand tool : en
  • US2037540A - Control valve : en
  • US2037450A - Rotary internal combustion engine : en
  • DE628899C - Process for the production of fusible conductors for electrical fuses : de en
  • US2037174A - Coin collector : en
  • US2037354A - Internal combustion engine and cooling apparatus therefor : en
  • US2037387A - Electric gaseous discharge device : en
  • DE1370465U - : de en
  • US2037276A - Insecticide and process of making same : en
  • US2037473A - Bottom stop for fasteners : en
  • GB445674A - Improvements in composite safety glasses : en
  • GB445777A - Method of calcining diatomaceous earth : en
  • GB445784A - Improvements in or relating to supporting means for photographic cameras : en
  • FR796929A - Process for the preparation of pectin : en fr
  • US2037483A - Method of and apparatus for drying artificial silk cakes : en
  • FR796983A - Addition to deer forages for antler development : en fr
  • GB445855A - Improvements in yarn winding machines : en
  • FR796776A - Electric discharge tube : en fr
  • ES4056Y - Folding fan. : en es
  • DE628739C - Viewfinder for photographic cameras : de en
  • USRE19925E - Driving mechanism fob combined : en
  • ES140892A2 - An industrial product consisting of cement and asbestos channels. : en es
  • US2037505A - Steering mechanism : en
  • FR796907A - Hanging seat armchair : en fr
  • GB445766A - Improvements in or relating to clutches and means for operating the same : en
  • GB445651A - Improvements in or relating to molybdenum alloy steels : en
  • FR796785A - Device intended to prevent fraud in prepayment mechanisms : en fr
  • US2037624A - Berry picking machine : en
  • USD99282S - Design for a shoe or similar article : en
  • FR796818A - Method and devices for cleaning the exhaust gases of internal combustion engines : en fr
  • GB445712A - Improvements in the method of and means for storing gramophone records : en
  • GB445726A - Folding tables and like articles of furniture : en
  • GB445736A - Improvements in or relating to casting machines for the casting of plane stereotype plates : en
  • GB445860A - Improvements in or relating to telephone systems : en
  • US2037047A - Blast cleaning machine : en
  • US2037480A - Detachable blade for agricultural implements : en
  • USD99265S - H t burrow : en
  • US2037504A - Envelope : en
  • US2037118A - Automobile generator regulator : en
  • US2037476A - Mechanical riveting machine : en
  • CH183492A - Automatic firearm. : de en
  • DE628704C - Switching arrangement for railway fuse circuits : de en
  • GB445716A - Improvements in or relating to plotting maps : en
  • FR796952A - Metal door : en fr
  • GB445759A - Improvements in and relating to free-wheel hubs for cycles : en
  • GB445700A - Improvements in process of making cast iron of improved characteristics : en
  • CH183559A - Dropper bottle. : en fr
  • CA357236A - Sanitary pad shield : en fr
  • GB445730A - Improvements in joints of spectacle frames and method of producing the same : en
  • FR796711A - Improvements to roller conveyors acting by gravity : en fr
  • GB445520A - Means for simultaneously determining the volume, the weight and the density of granular and other materials : en
  • FR796985A - TV transmitter : en fr
  • US2037256A - Railway signaling system : en
  • US2037448A - Manufacture of thioflavine t : en
  • US2037175A - Sanitary handkerchief kit and method of forming same : en
  • US2037653A - Socket for cove silvay lamps : en
  • CA357200A - Metal coating method : en fr
  • DE628876C - Verdol paper : de en
  • FR796824A - Hygienic diaper for children and patients : en fr
  • FR796975A - Improvements to presses, in particular to riveting and pressure punching presses, as well as to the equipment of these presses : en fr
  • GB445616A - Improvements in or relating to cans, canisters, and like containers : en
  • US2037226A - Car roof : en
  • US2036994A - Photographic film and method of treating same : en
  • DE628862C - Automatic drill : de en
  • DE628868C - Device for taking up ballast water : de en
  • GB445485A - Improvements in or relating to television transmitting apparatus : en
  • US2037564A - Axle restraint device : en
  • US2037067A - Method and apparatus for treating woven wire fabric : en
  • US2037284A - Ophthalmic mounting : en
  • US2037424A - Water tube boiler construction : en
  • US2037000A - Flat-knit non-run or strongly runresistant stocking and blank therefor and method ofmaking same : en
  • US2037638A - Radio receiver : en
  • CH183465A - Process for the production of a condensation product from urea, formaldehyde and hexamethylenetetramine. : de en
  • CA357129A - Tea bag : en fr
  • DE628616C - Device for generating slow mechanical vibrations using an asynchronous motor fed by a single-phase network : de en
  • CA357224A - Tire vulcanizing method : en fr
  • CA357133A - Gas-charged liquid dispenser : en fr
  • US2037297A - Tile-like element : en
  • US2037331A - Air drying imitation leather finish : en
  • CH183513A - Process for the production of middle layers for carpentry purposes. : de en
  • DE628690C - Process for preserving shortening : de en
  • US2037333A - Glider : en
  • DE628347C - Method of making rubber figures : de en
  • CH183566A - Superheterodyne recipient. : de en
  • US2037134A - Filter : en
  • US2037569A - Sanitary tooth brush holder : en
  • DE628798C - Laundry kettle with pouring device and display device : de en
  • US2037378A - Method of and means for making spirally corrugated tubing : en
  • DK51512C - Framework for the Formation of Flow Channels in Heat Exchange Apparatus, Especially for Dairy Technical Purposes. : da en
  • FR796759A - Automatic feed head for cutting, milling, boring, drilling machines, etc. : en fr
  • CH183472A - Binder. : de en
  • GB445932A - Improvements in or relating to material handling equipment : en
  • FR796957A - Improvements to annular steam superheaters : en fr
  • GB445719A - Improvements in or relating to electro-plating : en
  • US2037407A - Shaking conveyer : en
  • DE628716C - Partial inclined tube boiler : de en
  • FR796758A - Process for treating, by preparations in the liquid state and in the vapor state, objects, parts or worked products such as toes or buttresses of shoes : en fr
  • FR796854A - New thruster for airplanes and automobiles : en fr
  • FR796950A - Composite shatter-proof safety glass : en fr
  • ES4027Y - Bra with garter belt. : en es
  • GB445933A - Improvements in and relating to electric direction control apparatus for electric vehicles : en
  • GB445532A - Improvements in and relating to electric heat radiators : en
  • DE628784C - Machine for packing edible fat u. like : de en
  • GB445594A - Improved cover for use with display stands and the like : en
  • US2037092A - Cushioning and centering device for railway car couplers : en
  • DE628685C - Ring valve with handlebar guidance : de en
  • US2037459A - Valve for eliminating odor and smoke in exhaust gases : en
  • ES140798A1 - A process for building tungsten incandescent bodies with two or more coils. : en es
  • FR796724A - Advanced machine for grinding gear wheels : en fr
  • ES4045Y - Apparatus for squeezing oranges, lemons and similar fruits. : en es
  • FR796754A - Bicycle frame : en fr
  • FR796976A - Improvements made to bearings and their lubrication process : en fr
  • GB445859A - Closure for containers for use in strewing powders and the like : en
  • FR796792A - Improvements to cameras with rangefinder based : en fr
  • FR796878A - High-frequency field strength electrical measuring device : en fr
  • FR796988A - Improvements to methods and devices for establishing packaging : en fr
  • GB445870A - Improvements in or relating to photographic developing apparatus : en
  • DE628856C - Electric headlight : de en
  • ES4031Y - Calendar rolled in the form of a reel or coil printed on one side with your dates. : en es
  • US2037678A - Fastener installation and stud member : en
  • USD99331S - Design fob : en
  • FR797000A - Advertising wall lamp whose letters are driven by a translational movement using a solenoid : en fr
  • US2037292A - Manufacture of films : en
  • US2037236A - Volume control apparatus and method : en
  • US2037268A - Roofing element : en
  • FR796717A - Method and device for transmitting images and sounds : en fr
  • GB445861A - Improvements in and relating to the treatment of ores : en
  • US2037517A - Ice freezing device : en
  • CH183586A - Method of preserving food. : de en
  • US2037442A - Producing organic compounds capable of splitting off halogen : en
  • US2037596A - Welding electrode : en
  • US2037607A - Pump : en
  • DE628698C - Process for making anhydrous alcohol : de en
  • DE628828C - Process for the preparation of sulfonated fatty acid coagulants of heterocyclic bases : de en
  • FR796962A - Bonding medium composed of a polymerization product for the assembly of composite glass elements or other layered products : en fr
  • DE628878C - Device for sieving material : de en
  • US2037184A - Clamp : en
  • USD99329S - Design fob a set of game pieces : en
  • DE628920C - Self-adjusting gear change transmission, especially for motor vehicles : de en
  • US2037670A - Ornament mounting structure : en
  • ES4029Y - Briefs with an elastic waistband or waistband with no buttons anywhere. : en es
  • GB445560A - Improvements in and relating to kinematographic cameras and projectors employing moving film, and film gates therefor : en
  • US2037114A - Hatch construction : en
  • US2037460A - Motion device : en
  • US2037546A - Transmission network : en
  • ES3841Y - Device to increase the duration, stability and filtering power of olive oil press pads. : en es
  • FR796897A - Folding and habitable trailer : en fr
  • GB445783A - Improvements relating to cycle lamps : en
  • US2037639A - Phonograph pick-up : en
  • DE628895C - Device for removing cooling vessels : de en
  • DE628820C - Device for demonstrating advertising on a universal light or color flap structure : de en
  • GB445862A - Improvements in the manufacture and production of azo dyestuffs : en
  • US2037075A - Phototube : en
  • FR796898A - Process for the preparation of heavy metal compounds from salts of compounds : en fr
  • CH183518A - Process for the production of hand-drawn images in pastel colors. : de en
  • CH183532A - Valve-controlled four-stroke internal combustion engine. : de en
  • GB445658A - Improvements in or relating to the mechanical recording of sound or other oscillations : en
  • DK51508C - Electron Beam Tube with Gaseous Filling for Television Use. : da en
  • US2037045A - Smoker's outfit : en
  • US2037085A - Overhead sliding door : en
  • CH183516A - Adjustable wrench. : de en
  • US2037484A - Packaging machine : en
  • SE86100C1 - : en
  • GB445678A - Improvements in windows and the like : en
  • GB445765A - Improved method and device for the reproduction of sound : en
  • FR796736A - Device for emptying single-hole containers : en fr
  • GB445487A - Improvements in draught excluding beadings, strips, and the like, for doors, windows, and the like closures : en
  • GB445624A - Dart boards or like targets : en
  • GB445681A - A device for consulting annuals, time-tables, directories and like books : en
  • FR796863A - Process of soil sterilization and stimulation of plant metabolism : en fr
  • FR796922A - Improved method and apparatus for controlling the ignition of internal combustion engines : en fr
  • DK51526C - Removable Close for Bottles and Other Containers. : da en
  • FR796771A - Method for analyzing electron rays and decomposing or analyzing images : en fr
  • US2037062A - Condition indicating means for fuses : en
  • US2037172A - Snap cap closure : en
  • US2037492A - Valve for pneumatic engines : en
  • GB445505A - Improvements in or relating to bicycle and like rim brakes : en
  • US2037091A - Printing press : en
  • ES4037Y - Special t-shirt for men. : en es
  • CH183525A - Stuffing box for rotating shafts, especially for centrifugal pumps. : de en
  • GB445754A - Improvements in hermetically sealed fluid containers : en
  • GB445554A - Improvements in or relating to the manufacture of aldehydic compounds : en
  • GB445490A - Improvements in or relating to dynamo-electric machines : en
  • US2037178A - Typewriting and similar machine : en
  • US2037518A - Liquid congealing apparatus : en
  • US2037662A - Automatic electric cut-out : en
  • US2037684A - Safety control apparatus for : en
  • US2037093A - Receptacle closure : en
  • FR796836A - Automatic distribution box : en fr
  • DE628822C - Switching device adjustable by pressure medium for gear change transmissions, in particular of motor vehicles : de en
  • GB445748A - Improvements in method and system for distributing signal currents : en
  • GB445530A - Improvements in or relating to pianos : en
  • GB445605A - Process of and apparatus for the production of magnesium sulphate with a low water content or in the anhydrous condition : en
  • US2037344A - Model duplicating device : en
  • DK51534C - Device for rotating Explosion or Combustion engines. : da en
  • GB445767A - Improved electric heater for water and other liquids : en
  • FR796807A - Hand utensil for the preparation of whipped cream : en fr
  • FR796734A - Improvements to internal combustion engines : en fr
  • FR796945A - Cereal grain shelling machine : en fr
  • DE628713C - Equipment on machines for the production of wire grids, which consist of lay and cross wires welded together : de en
  • FR796881A - Reinforced concrete articulated breastplates : en fr
  • FR796780A - : fr
  • GB445634A - Improvements relating to aeroplanes : en
  • US2037156A - Needle bearing spring end mounting means : en
  • US2037237A - Vehicle wheel : en
  • US2037457A - Silver faced slip ring : en
  • US2037248A - Vending machine : en
  • DE628850C - Periodically acting absorption refrigeration machine : de en
  • GB445703A - An improved hydraulic system for operating brakes or other devices : en
  • FR796914A - New game adapting to billiards and similar games : en fr
  • US2037587A - Producing gas and coke in chamber ovens : en
  • CA357173A - Heat motor : en fr
  • CA357157A - Ice cube shattering device : en fr
  • CA357186A - Wallboard construction : en fr
  • CH183421A - Device for protection against flies and mosquitoes. : de en
  • DE628919C - Half mask made of sponge rubber : de en
  • IE13931L - Sealing tungsten wire in quartz : en
  • US2037671A - Foul line signal : en
  • FR796899A - Projectile improvements : en fr
  • FR796920A - perpetual motion water elevator : en fr
  • FR796974A - Improvements to cigar making machines : en fr
  • FR796880A - Process for the rapid construction of booms, quay walls, etc. : en fr
  • GB445863A - Improvements in or relating to electrical connectors : en
  • GB445673A - Universal joint : en
  • FR796810A - Process for producing cinematographic views and photographs in natural colors : en fr
  • FR796761A - Softening process : en fr
  • FR796867A - Method and device for preserving powdered or other materials : en fr
  • DE1370464U - : de en
  • GB445576A - Improvements in or relating to conduits and methods of forming the same : en
  • CH183508A - Bearing for the thread cutting spindle on thread cutting devices for automatic lathes. : de en
  • GB445753A - Blotter : en
  • US2037351A - Reversible rotary motor : en
  • USD99292S - Design for a lapel emblem ob : en
  • US2037203A - Treatment of plants to expedite bud development : en
  • US2037582A - Thermostat control for gas burners : en
  • USD99313S - Design fob a handle for a fly : en
  • GB445714A - Improvements in or relating to the production of yeast : en
  • US2037588A - Safety razor : en
  • ES3907Y - Cardboard and wooden container to transport and contain vegetable fruits. : en es
  • GB445564A - Bags of tea and other essence containing products, and method of making same : en
  • CA357234A - Roller conveyer : en fr
  • DE628708C - Process for avoiding scratch formation when melting purified lead : de en
  • GB445627A - Improvements in or relating to signal lights : en
  • USD99330S - Design for a quilted fabric article : en
  • DE628752C - Hair clipper : de en
  • GB445599A - Improvements in, or relating to, lehrs for annealing glass ware : en
  • FR796967A - Method of igniting gas or vapor atmosphere discharge paths : en fr
  • DE628789C - Sleeve seal for axle bushes of rail vehicles : de en
  • GB445506A - A process for burning oil : en
  • GB445573A - Improvements relating to electro-magnetically actuated horns : en
  • GB445597A - Collapsable canoe : en
  • FR796893A - Method of manufacturing adjustable film resistors : en fr
  • ES140507A1 - Procedure to put canned meat or fish in cans. : en es
  • FR796839A - Improvement in filters against arsines and toxic fumes : en fr
  • FR796905A - Multiple remote control game by photo-ballistic processes : en fr
  • GB445566A - Improvements in or relating to electrically driven centrifugal machines : en
  • US2037204A - Mold for type casting machines and the like : en
  • DE628726C - System for heating flammable gases under high pressure : de en
  • FR796991A - Measuring device for use by shoemakers : en fr
  • GB445702A - Improvements in mills of the roll and breast bar type : en
  • US2037138A - Apparatus for collapsing flexible containers : en
  • US2037145A - Irrigation nozzle : en
  • USRE19928E - Vacuum operated gear shift : en
  • US2037221A - Telephone system : en
  • US2037477A - Safety release for riveting machines : en
  • US2037193A - Teletypewriter switchboard : en
  • US2037213A - Crankcase oil comparator : en
  • US2037665A - Boiler : en
  • US2037002A - Grinding machine having an electrically controlled sizing device : en
  • US2037458A - Flexible grille : en
  • DE628457C - Device for automatic delivery of emergency signals : de en
  • DE628801C - Method and device for oiling piston engines : de en
  • FR796830A - Frequency changer device for radio receiver : en fr
  • DE628643C - Storage of the wheel journal in hollow axles, especially for motor vehicles : de en
  • GB445635A - Improvements in or relating to wave-generating mechanism for swimming pools and the like : en
  • GB445740A - Improved time operated switch mechanism : en
  • US2037538A - Gasoline turbine motor : en
  • CA357233A - Pocket case : en fr
  • CH183517A - Method and apparatus for producing a replica of objects. : de en
  • CH183403A - Hot water heating system. : de en
  • FR796757A - Device for removing clichés in a casting machine for stereotype clichés and galvano supports : en fr
  • CH183538A - Device for supplying an internal combustion engine with heavy oil. : en fr
  • CH183531A - Rotary compressor. : de en
  • US2037279A - Fastening device for lenses : en
  • DE628788C - Manufacture of krypton and xenon : de en
  • ES4040Y - Device in a circular shape to prevent ants and other insects from climbing up the trunk in the trees. : en es
  • US2037317A - Packing material : en
  • US2037664A - Vehicle construction : en
  • USRE19926E - Process of forming sheet pyroxylin : en
  • US2037522A - Hard board and method of making same : en
  • CH183541A - Centrifugal switch, especially for centrifugal starters. : de en
  • NL37886C - : en
  • US2037426A - Oil and gas separator : en
  • US2037529A - Plastometer : en
  • CH183574A - Wheel rim. : de en
  • FR796775A - Pneumatic tire inner tube deflation device : en fr
  • US2037146A - Traffic signal switch : en
  • NL38087C - : en
  • CA357113A - Safety razor : en fr
  • CH183393A - Agricultural machine with ground drive, in particular mower. : de en
  • US2037516A - Ice tray and grid : en
  • USD99269S - Design for an illuminated crucifix : en
  • DE628759C - Process for separating mono-, di- and trimethylamine from their mixtures : de en
  • FR796979A - Method and device for the manufacture of artificial silk : en fr
  • CH183527A - Gear transmission. : de en
  • DE628764C - Regenerable electric battery : de en
  • US2037440A - Nonmetallic gear, pulley, or the like, and method of producing the same : en
  • US2037532A - Induction motor secondary : en
  • DE628890C - Device for thickening or drying solutions : de en
  • US2037361A - Milk bottle safe : en
  • US2037436A - Automatic pulley arrangement : en
  • US2036996A - Engine radiator : en
  • DE628900C - Process for the production of high-emissivity cathodes in multi-system tubes : de en
  • DE628786C - Drying plant for wood and other materials : de en
  • FR796826A - Rubber balloon with object suspended or otherwise secured inside : en fr
  • US2037554A - Disappearing feeder : en
  • IE13987L - Automobile bodies; air ducts : en
  • CH183560A - Process for the preparation of a readily soluble salt of a 9-aminoacridine derivative. : de en
  • US2037159A - Wave range changing over device for radio receiving apparatus : en
  • US2037359A - Musical tone modulator : en
  • CA357124A - Yarn and filament manufacture : en fr
  • CH183426A - Containers, especially for storing tea. : de en
  • CH183535A - Light metal pistons on internal combustion engines. : de en
  • CH183556A - Socket for an electrical device which develops a high temperature in the part receiving the socket, and method for its manufacture. : de en
  • ES3840Y - Flytrap : en es
  • US2037063A - Ventilator : en
  • US2037181A - Printing and collating machine : en
  • US2037335A - Tension equalizer for spinning frames : en
  • US2037371A - Mono-acetoxy-mercuri-alkylphenol-sulphonic acid : en
  • FR796737A - Articulated frame for road vehicles with mechanical traction : en fr
  • CH183442A - Method and device for the automatic reciprocation of organs rotating about an axis in the direction of their axis of rotation. : de en
  • CH183519A - Grief sign. : de en
  • GB445685A - Improvements in escapement mechanism for typewriting machines : en
  • ES140979A1 - A BEARING BODY PROVIDED WITH TORCIDED GREASE FOR RECESSED SLIDING BEARINGS : en es
  • FR796884A - Improvements to remote control devices for motor starters : en fr
  • GB445579A - Improvements in and relating to electric discharge devices : en
  • US2037620A - Binding post : en
  • US2037680A - Burner for acetylene floodlights : en
  • CA357221A - Fuel injecting pump : en fr
  • CH183412A - Process for the manufacture of mirrors. : de en
  • US2037010A - Cellulose derivative composition : en
  • FR796937A - Token dispensing device : en fr
  • FR796981A - Rail fastening device allowing the establishment of fixed railway tracks without sloping : en fr
  • US2037190A - Admission counter : en
  • DE628872C - Rolls-on-roll with rubber tires consisting of superimposed layers of different hardness : de en
  • FR796971A - Headlamp, in particular for vehicles : en fr
  • DE628853C - Switch with multiple interruption and arc extinguishing by a circulating gas or steam quantity used repeatedly for extinguishing : de en
  • USD99276S - design for a vending cabinet : en
  • DE628753C - Screwable Christmas tree candle holder : de en
  • FR796791A - Process and apparatus for the preparation of metal alkyl compounds and resulting products : en fr
  • DE628695C - Synchronous alarm clock : de en
  • FR796768A - Device for reinforcing cable chains and the like : en fr
  • DE628723C - High-voltage capacitor in the form of a one-piece, bottle-shaped porcelain hollow body, which is seamlessly closed at one end : de en
  • US2037323A - Pigments and film-forming compositions containing the same : en
  • US2037513A - Photographic camera : en
  • US2037557A - Vacuum cleaner : en
  • US2037580A - Triangle meter : en
  • GB445521A - Improvements relating to cigarettes and tobacco cartridges for tobacco pipes : en
  • GB445653A - Process and apparatus for the manufacture of coloured glass : en
  • US2037017A - Method of photographic mapping : en
  • CH183486A - Ski binding. : de en
  • CH183549A - Mercury switch. : de en
  • NL38191C - : en
  • US2037123A - Electric signal means for vehicles : en
  • FR796955A - Process for obtaining composite safety glass against shattering : en fr
  • US2037257A - Process of making nonstructural activated carbon : en
  • US2037561A - Tab end folding mechanism : en
  • GB445583A - Improvements in or relating to roller blind telephone directories : en
  • GB445701A - Improvements in the production of printing inks comprising the dispersion of pigments in oils : en
  • DE620867C - Process for the production of insoles with joint supports on both sides : de en
  • DK51511C - Heat exchange apparatus, in particular for dairy purposes. : da en
  • GB445514A - Process for the production of intensifying foils for x-ray photography : en
  • GB445733A - An adjustable weave-correcting winch for materials which are in open widths and long lengths : en
  • US2037432A - Braking apparatus : en
  • DE628837C - Process for the production of artificial threads or the like from viscose : de en
  • DK51533C - Armchair with movable upper part. : da en
  • US2037048A - Coupling : en
  • US2037524A - Rotor with spark gap : en
  • CA357132A - Hemoglobinometer : en fr
  • CH183397A - Half-timbered wall. : de en
  • US2037192A - Visible inventory and sales recording device : en
  • US2037280A - Pie pan : en
  • US2037310A - Fish lure : en
  • FR796723A - Method of manufacturing electrical resistors in the form of layers : en fr
  • ES3895Y - Pliers to castrate animals. : en es
  • GB445588A - Improvements in the manufacture of pigments : en
  • DE628886C - Point chisels for breakers : de en
  • DE628905C - Ringing device on knitting and loop knitting machines with rotating cylinder : de en
  • US2037220A - Siphon head for mineral water bottles : en
  • US2037591A - Horse collar pad : en
  • DE628897C - Equipping roads to protect against obstruction by snow and ice : de en
  • DE628628C - Suction and cleaning device operated with a gaseous pressure medium, especially for suctioning off dust : de en
  • DE628832C - With amplifier operated telecommunication cable with large line attenuation (over 8 Neper) for four-wire operation : de en
  • DE628867C - Relief device for fluid conveying systems : de en
  • CH183399A - Up-and-over door. : en fr
  • USD99312S - Design for a handle for a fly : en
  • US2037176A - Air register grid : en
  • ES4055Y - Intermediary for the start-up devices of internal combustion engines. : en es
  • GB445632A - Improvements in and relating to autographic registers : en
  • US2037309A - Combination tray and door bolt : en
  • FR796819A - Improvements made to the acoustic coverings of walls, ceilings or walls : en fr
  • GB445645A - Improvements in or relating to yarns, threads and the like containing staple fibre made of or containing an organic derivative of cellulose : en
  • GB445725A - Improvements in heels for boots and shoes having heel tips inserted therein : en
  • FR796858A - Drive device for electric generators : en fr
  • GB445555A - Manufacture of stable preparations of anaesthetic agents : en
  • US2037463A - Coin controlled dispenser : en
  • GB445524A - New or improved packing for stuffing-boxes and the like : en
  • FR796885A - Improvements to cinematography in natural colors : en fr
  • GB445534A - Improvements in the production of rubber goods : en
  • US2037139A - Bottle wrapping machine : en
  • US2037171A - Wave filter : en
  • DE628809C - Yarn guide changing device for flat weft knitting machines : de en
  • GB445481A - Improvements in a pectous material and process of making the same : en
  • FR796916A - Vehicle braking control system : en fr
  • GB445747A - Improved means for operating internal combustion engines with liquefied gases : en
  • FR796986A - Swimming machine : en fr
  • FR796869A - Paver and its applications : en fr
  • FR796769A - Tennis racket training : en fr
  • GB445734A - Rotary automatic breech mechanism for generating combustion products under pressure : en
  • US2037676A - Cloth finishing : en
  • FR796703A - Device for displaying flowers or the like : en fr
  • FR796750A - Razor and blade refinements : en fr
  • GB445708A - Improvements in and relating to plates for secondary batteries : en
  • US2037198A - Automatic safety backstop : en
  • DE628740C - Cinema recorder : de en
  • DE628697C - Drive for forwards and backwards running toys with a toothed segment driving the wheel axle : de en
  • FR796755A - Operating method for combustion engines : en fr
  • US2037024A - Tank truck : en
  • US2037136A - Tractor wheel tread : en
  • DE605145C - Spiral built into pipes to achieve a helical flow : de en
  • DE628825C - Method and machine for compression molding of finished cigars to be packaged : de en
  • US2037186A - Apparatus for making candle holders : en
  • US2037196A - Mixture of and method of admixing sodium morrhuate and quinine solution : en
  • CH183406A - Electric hot water boiler. : de en
  • FR796935A - Annular rotor, with segments and movable vanes, for rotary pumps, compressors, etc. : en fr
  • US2037110A - Bag making machine : en
  • US2037551A - Ironing press : en
  • DE628738C - Device for moving photographic lenses in the direction of their axis : de en
  • USD99285S - Design fob a doily : en
  • CH183395A - Apparatus for treating earth with steam. : de en
  • CH183501A - Talking machine with tape or wire-shaped sound carrier made of magnetic material. : de en
  • GB445666A - Improvements relating to the construction of staircases : en
  • DE628730C - Machine for the production of lattice frames and housings for fire lighters from wooden sticks : de en
  • FR796801A - Armchair for doctors, dentists, hairdressers, etc. : en fr
  • US2037515A - Gift wrapping package : en
  • DE628936C - Process for the production of abrasive grains : de en
  • DE628908C - Shoe shine container : de en
  • DE628769C - Electric heating plate that works according to the induction principle : de en
  • DE628826C - Device for separating flat bodies from materials to be sorted : de en
  • FR796720A - Improvements for assemblers of typographic typesetting machines : en fr
  • US2037032A - Mounting : en
  • USD99315S - thomas : en
  • ES3990Y - Removable container box made of cardboard, wood or similar materials. : en es
  • FR796802A - Process and apparatus for molding tiles : en fr
  • FR796999A - Process for the vulcanization of rubber articles : en fr
  • ES3141Y - Molded glass bottle with filleted neck. : en es
  • DE628483C - Process for removing inorganic impurities from aqueous solutions of acetic acid : de en
  • DE628803C - Device on writing business machines to secure the writing limit on the lower edge of the writing sheet : de en
  • USD99325S - Design for a spot welder : en
  • DE628870C - Wiper device for license plates of motor vehicles : de en
  • DE628925C - Cushioning, especially for trucks : de en
  • DK51518C - Iron. : da en
  • FR796849A - Mechanical chip spreader : en fr
  • DK51535C - Apparatus for Moving Irrigation Pipes in Horticulture, Gardens and Fields. : da en
  • GB445737A - Improvements in and connected with apparatus for feeding films in kinematograph projectors : en
  • US2037308A - Projectile : en
  • US2037511A - Floor covering or rug : en
  • US2037562A - Electric plug : en
  • US2037428A - Box : en
  • US2037219A - Railway rail support : en
  • CH183396A - Process for the production of acid-free coverings that insulate against heat, sound and moisture : de en
  • CA357118A - Tobacco can : en fr
  • CA357180A - Lubricant production : en fr
  • CH183478A - Photographic lens shutter with front mechanism. : de en
  • US2037336A - Railway car truck : en
  • US2037600A - Method of making chromite refractories : en
  • US2037208A - Locomotive crosshead : en
  • US2037338A - Key case : en
  • USD99267S - Design for an instrument case : en
  • CA357116A - Metal sheet joint : en fr
  • DE628627C - Dental handpiece : de en
  • DE628844C - Float valve for water flush boxes : de en
  • GB445519A - Improvements in or relating to covers for loose leaves or the like : en
  • GB445689A - Improvements in electric spot-welding installations : en
  • US2037187A - Sound translating device : en
  • DE628765C - Device for the production of asbestos-insulated electrical wires : de en
  • CA357197A - Welding method : en fr
  • CH183533A - Fuel injection device on vehicle internal combustion engines. : de en
  • US2037008A - Method of making decorative lustrous sheet material : en
  • US2037064A - Game : en
  • US2037068A - Beater for mixing machines : en
  • US2037445A - Radio receiver : en
  • US2037673A - Method and apparatus for effecting the discharge of a volatile liquid : en
  • US2037466A - Reamer : en
  • CH183515A - Safety razor. : en fr
  • US2037417A - Refrigerating apparatus : en
  • US2037541A - Control valve : en
  • CH183539A - Cooling system. : de en
  • NL37977C - : en
  • CA357218A - Textile material : en fr
  • CA357154A - Aircraft : en fr
  • US2037013A - Manufacture or treatment of products or articles having a basis of cellulose derivatives : en
  • US2037122A - Attaching means for metal parts and insulating materials : en
  • DE628845C - Method and device for attaching washers to sealing washers of vessel closures : de en
  • CH183433A - Process for the production of long-life finishing agents and long-life finishing agents prepared according to the same. : de en
  • US2037316A - Method of and apparatus for fractionating : en
  • CA357158A - Card punching machine : en fr
  • DE628696C - Device for remote transmission of the position of water level measuring devices u. Like. According to the pulse number method : de en
  • FR796813A - New aminoalkyl sulfonic acids and their preparation process : en fr
  • DE628681C - Storage device for stoves, especially gas and electric stoves, with a support body mounted on a pull-out bracket : de en
  • DE628911C - Locking device for measuring devices with stamping mechanism, especially for liquid measuring devices : de en
  • ES4072Y - Pincushion with changeable core. : en es
  • CH183457A - Process for the preparation of a new trisazo dye. : de en
  • FR796779A - Traction device usable as a brake and as a pump control : en fr
  • CA357208A - Granular material separator : en fr
  • CH183595A - Process for the preparation of an azo dye. : de en
  • GB445850A - Exhaust device for internal combustion engines : en
  • CH183547A - Electric circuit breaker with a switching fluid consisting at least partly of mercury. : de en
  • US2037267A - Power supply network for thermionic tubes : en
  • CA357135A - Vehicle finger guard : en fr
  • CA357206A - Cyclic compound alkylation : en fr
  • CH183581A - Brakes on wheelsets, especially on railway vehicles with rapid braking. : de en
  • ES4018Y - Jockstrap intended to contain different parts of the human body. : en es
  • GB445662A - Internal combustion engine cylinder head : en
  • US2037133A - Rubber heel : en
  • ES4020Y - Device to divide any stack of paper into a group of equal number of sheets. : en es
  • FR796814A - Extraction process for splitting a mixture of liquids into its constituents : en fr
  • US2037610A - Disk clutch : en
  • GB445570A - Improvements in electric couplings : en
  • GB445659A - Improvements in synchronous motor alarm clocks : en
  • US2037217A - Cathode : en
  • US2037408A - Writing implement : en
  • US2037288A - Milk can indicator : en
  • FR796841A - Improvements to the lift and propulsion of aerial vehicles : en fr
  • GB445785A - Improvements in or relating to the manufacture of stockings : en
  • CA357148A - Handkerchief substitute : en fr
  • US2037113A - Method and apparatus for forming rubber articles : en
  • FR796805A - Device for installing wallpapers : en fr
  • GB445601A - Ore roasting furnace : en
  • US2037358A - Reversible fluid pressure motor : en
  • USD99264S - Design for a combined vanity case : en
  • DE628750C - Double vessel for the extraction of emanation from a radioactive solution : de en
  • FR796825A - Enhancements to extenders for men and women hats : en fr
  • US2037482A - Concrete structure : en
  • USD99262S - Design for a clip for a fountain pen : en
  • DE628728C - Gas burner with a height position that can be changed depending on the gas and air volume control by turning around a horizontal transverse axis : de en
  • US2037244A - Machine gun : en
  • US2037055A - Braking mechanism : en
  • US2037283A - Meat slicer : en
  • US2037357A - Ultra short wave tube : en
  • US2037360A - Shutter for photographic cameras : en
  • US2037558A - Slide : en
  • USD99296S - Design fob a hair drier : en
  • DE613413C - Control device, in particular alternating current relay : de en
  • CH183548A - Switch with push button contacts and insulating chamber. : de en
  • US2037189A - Method and composition for treating friction fabric : en
  • GB445539A - Improvements in and apparatus for drying cakes of artificial threads, filaments and the like : en
  • GB445493A - Improvements in belt and rope drives : en
  • FR796844A - Method and device for exposing motion picture film to a flux of radiation : en fr
  • DE628733C - Harpoon line for catching large sea animals, especially whales : de en
  • FR796866A - Device for surfacing and polishing : en fr
  • FR796887A - Movable shutters for aircraft lifting surfaces : en fr
  • DE628712C - Prevention of boiler damage : de en
  • DE628779C - Advertising eye-catcher, especially for shop windows, with tape running around a hollow body : de en
  • ES140797A1 - Improvements in the vacuum devices. : en es
  • FR796941A - Manufacture of shoes with first cord by double-stitched welt system : en fr
  • ES4048Y - Solid wooden rod covers for glass bottles and jars. : en es
  • GB445675A - Improvements in and relating to packing-boxes divided into compartments : en
  • DE628939C - Cistern float valve : de en
  • FR796961A - Manicure device applicable for cleaning and dyeing the undersides of finger nails : en fr
  • GB445591A - Improvements in the manufacture of rubber products : en
  • GB445482A - Improvements in and relating to devices for delivering measured quantities of liquids : en
  • FR796912A - Preparation of colored products : en fr
  • DE628629C - Stool with an insert with a wash basin guided in its frame : de en
  • USD99314S - Design fob a shoe ob similab abticle : en
  • DE628912C - Self-seller for gas, water, electricity or the like. : de en
  • GB445642A - Vehicle wheels : en
  • DE628721C - Closed, short-circuit-proof fuse cartridge with a fusible link made of tin or a metal with a similarly low melting point : de en
  • US2037617A - Manually driven casting machine : en
  • DE628666C - Method and device for producing a glass object, in particular a glass beaker : de en
  • DE628774C - Lens with variable optical effect : de en
  • DE628805C - Rotary switch with sound insulation : de en
  • FR796732A - Electric measuring instrument and in particular calibration counter : en fr
  • USD99305S - Design for a combined pedestal cus : en
  • FR796939A - Improvements in the attachment of bushings for mops : en fr
  • CH190308A - Remote display device. : de en
  • GB445715A - Improvements in bottle washing, filling and capping machines : en
  • CH183476A - Device for printing hand-written type lines in line typesetting and printing machines with rotating male molds. : de en
  • ES3229Y - Hinge-hinge for double leaves. : en es
  • GB445489A - Improvements in incandescent electric lamps : en
  • DE616215C - Anti-skid chain with exchangeable grippers : de en
  • ES3970Y - A box for calculations and number combinations : en es
  • FR796949A - Manufacture of a device for introducing a powder into air chambers : en fr
  • CH183495A - Device for measuring, remote transmission and recording of changes in shape of test pieces subjected to mechanical stress. : de en
  • CA357204A - Alternating current transmission system : en fr
  • DE628792C - Procedure for disinfection and preservation : de en
  • DE628847C - Method and device for processing acid sludge on sulfur dioxide and coke : de en
  • CA357230A - Rotary engine or pump : en fr
  • USD99335S - Design for a coat : en
  • CH183511A - Veneer screw press. : de en
  • US2037070A - Furnace : en
  • ES4077Y - Inhaler. : en es
  • GB445710A - Improvements in or relating to electrical condensers : en
  • CH183431A - Thread damper with spring loaded brake disc. : de en
  • US2037619A - Liquid fuel admission valve for internal combustion engines : en
  • US2037623A - Transference of glass bottles, jars, and the like to leers : en
  • CH183451A - Process for obtaining active ingredients from drugs without further purification. : de en
  • CA357147A - Vibration absorber for steering wheels : en fr
  • CA357151A - Motor vehicle brake mechanism : en fr
  • US2037166A - Electrooptical system : en
  • US2037195A - Belting : en
  • US2037143A - Display package : en
  • CH183398A - Wood door. : en fr
  • CA357152A - Steam generator : en fr
  • CH183443A - Device for mincing meat. : de en
  • CA357163A - Heat insulating material : en fr
  • GB445704A - Improvements relating to hydraulic operating valves : en
  • CA357120A - Light sensitive surface treating apparatus : en fr
  • DE628588C - Casting mold for cement pipes or the like. : de en
  • US2037537A - Process for cracking oils : en
  • CA357119A - Ventilator : en fr
  • US2037108A - Game apparatus : en
  • US2037197A - Adhesive applying device for tube forming machines : en
  • USD99321S - Mystic robot : en
  • GB445503A - Improvements relating to motor fuels : en
  • CH183579A - Underframes, in particular for rail motor vehicles. : de en
  • CH183553A - Device for the operation of converters working with grid-controlled steam or gas discharge paths. : de en
  • USRE19927E - Method and machine fob forming : en
  • CH183458A - Process for the preparation of an azo dye. : de en
  • CA357146A - Transmission and change-speed mechanism : en fr
  • CA357210A - Tanning drum : en fr
  • CH183436A - Dry cleaning facility. : de en
  • USD99259S - Design fob a textile fasric or : en
  • DE628861C - Method for determining the mechanical properties of wire or strip-shaped materials during processing on processing machines : de en
  • US2037301A - Fastener for trimming material : en
  • CH183456A - Process for the preparation of a new trisazo dye. : de en
  • US2037082A - Regulating system : en
  • US2037363A - Fuel valve and damper control for furnaces : en
  • US2037431A - Fly paper protective device : en
  • CA357150A - Typewriter mechanism : en fr
  • FR796940A - Low speed synchronous motor starting automatically : en fr
  • GB445620A - Improvements in and relating to copper-tin alloys : en
  • US2037471A - Electrooptical system : en
  • CH183450A - Process for the preparation of 2-keto-l-gulonic acid. : de en
  • US2037039A - Apparatus for baling paper pulp : en
  • US2037065A - Firearm : en
  • US2037405A - Method of tempering cream : en
  • US2037057A - Automatic leveling device : en
  • FR796827A - Flexible, waterproof and non-combustible coating : en fr
  • GB445625A - Fluid epicyclic power transmitter : en
  • FR796751A - Grid cleaning device : en fr
  • FR796809A - Electrical transformer especially for neon tubes or other electric discharge tubes : en fr
  • FR796873A - Road lighting mode for crossing vehicles : en fr
  • GB445979A - Improvements in and relating to pumps for use more particularly in braking and retarding apparatus : en
  • US2037149A - Reversible regenerative furnace : en
  • US2037376A - Wearing apparel : en
  • ES3809Y - Hollow bricks. : en es
  • DE628843C - Circuit arrangement for small conveyor systems, especially for electric mail and cable mail systems : de en
  • GB445781A - Manufacture of pyridine dyestuffs : en
  • GB446170A - Improvements in or relating to jacking apparatus for road vehicles : en
  • GB445727A - Improvements in catalysts : en
  • CH183416A - Holding bearings for stair runners. : de en
  • US2037273A - Filament testing apparatus : en
  • DE628880C - Arrangement to avoid interfering noises when operating amplifiers fed from an alternating current network via full-wave rectifiers : de en
  • FR796919A - Metal pipe press and other drawing presses, incorporating an electrically heated receiving element : en fr
  • GB445500A - Improvements in or relating to apparatus for playing table games : en
  • GB445528A - Improvements in and relating to baling presses : en
  • US2037590A - Light translating system : en
  • FR796934A - Process for the manufacture of self-lubricating bodies, composed of an intimate mixture of metal powder or metal alloy and graphitic powder : en fr
  • DE628767C - Device for practicing the method for testing instrument transformers : de en
  • CH183573A - Heating device on motor vehicles. : de en
  • CH183524A - Pipe connector. : de en
  • FR796760A - Improvements to cells or electric accumulator batteries : en fr
  • GB445497A - Improvements relating to route indicators for motor vehicles : en
  • US2037116A - Dispensing top for containers : en
  • DE628860C - Swimming pool with changing cells arranged in rows and wardrobes opposite : de en
  • GB445484A - Method and arrangement for conveying material to a centrifugal pump of the vertical type : en
  • DE628871C - Edge strip for skis : de en
  • DE628901C - Hydrocarbon gas generator : de en
  • US2037231A - Shielded electrode tube : en
  • ES4049Y - Top or musical pawn. : en es
  • FR796847A - Loudspeaker membrane used as a sign holder : en fr
  • DE628768C - Arrangement for calibrating the standard converter used in the process according to patent 612691 : de en
  • DE628833C - Suspension insulator with a support sleeve for the beater that is tapered towards the outside and is fastened in the cavity of the insulating body : de en
  • US2037265A - Pump : en
  • US2037650A - Light signal : en
  • ES3954Y - Electrical device for car taxis. : en es
  • FR796834A - Contactor friction device applicable in particular to signaling on railways : en fr
  • GB445756A - Improvements in or relating to ceramic baths : en
  • DE628756C - Kuepen dye pastes for stuff printing : de en
  • CH183502A - Snap-fastening, in particular for toothed moving parts of watch movements. : en fr
  • FR796900A - Cover to give books of all kinds the appearance of hardcover books : en fr
  • ES4041Y - Circular brush with fibers towards the inside of it. : en es
  • DK51532C - Perennial and bush stand. : da en
  • FR796969A - Filing cabinet : en fr
  • FR796707A - Piston for internal combustion engine, the head of which is fixed by means of a flange projecting inwardly to a corresponding flange of the piston guide body : en fr
  • GB445577A - Improvements in and relating to permanent magnet generators used as tachometers : en
  • GB445664A - Improved attachment device for use in connection with tubes or rods : en
  • FR796872A - Ball joint for pressure transmission pipes : en fr
  • DE628771C - Roughening roller for buffing rubber tires : de en
  • GB445713A - Improvements in or relating to vehicles propelled by internal combustion engines : en
  • FR796948A - Process for producing hollow bodies made of chocolate or the like : en fr
  • GB445663A - A structural wall composed of supporting posts and sheet metal facings : en
  • GB445496A - Improvements relating to the remote control of the tuning of a radio receiver : en
  • ES4065Y - Hygienic reservoir for shaving cream or soapy paste. : en es
  • FR796947A - Radio receiver with remote control : en fr
  • ES4091Y - Combined letter-envelope. : en es
  • FR796821A - Anti-ice and anti-snow heater for automobile glass : en fr
  • FR796908A - Process and apparatus for welding, applying coatings as well as for carrying out chemical reactions : en fr
  • US2037382A - Railway car construction : en
  • USD99332S - Design for a regulator or : en
  • US2037043A - Pipe wrapping machine : en
  • US2036999A - Wireless receiving apparatus : en
  • US2037177A - Fountain pen : en
  • US2037472A - Switching system : en
  • DE628814C - Plywood board : de en
  • US2037402A - Blower : en
  • CH183444A - Process for the preparation of emulsions and emulsions prepared according to the same. : de en
  • USD99261S - Combined motor and pump : en
  • GB445596A - Improvements in electrical signalling means : en
  • FR796857A - Improvements to liftable landing gear for aircraft : en fr
  • US2037634A - Convertible high chair and baby walker : en
  • GB445508A - Improvements in or relating to butter churning means : en
  • GB445585A - Improvements in or relating to typewriting machines, calculating machines and similar accounting machines : en
  • GB445668A - Improvements in or relating to high frequency telegraph transmitters : en
  • FR796725A - Improvements to machines for grinding gear wheels : en fr
  • FR796973A - Weekly memorandum calendar with detachable daily sheets : en fr
  • US2037103A - Semiautomatic self-feed and selfcoiling snake tool : en
  • US2037147A - Manufacture of bituminous road material : en
  • FR796938A - Correspondence indicator of the Paris metropolitan area : en fr
  • US2037672A - Method of producing metal powders : en
  • USD99281S - Design for an instrument case : en
  • FR796796A - Manufacturing process and applications of synthetic resins : en fr
  • GB445499A - Improvements in or relating to electron discharge tubes : en
  • US2037028A - Contact sulphuric acid process : en
  • US2037391A - Spring mounting for eye sets for dolls : en
  • GB445631A - Improvements in or relating to the manufacture of goods of or containing sponge-likeor cellular rubber or the like : en
  • GB445731A - Improvements in or relating to the production of mineral lubricating oils : en
  • FR796748A - Sole pressing device : en fr
  • US2037500A - Means for delivering measured quantities of liquid : en
  • GB445782A - Improvements in and relating to control systems for electric motors : en
  • DE628917C - Hang dryer for table goods, especially cardboard : de en
  • GB445622A - Improvements in or relating to stockings and socks : en
  • US2037269A - Molding process : en
  • CH183413A - Process for decorating glass objects. : de en
  • FR796773A - Switched socket outlet : en fr
  • FR796708A - Chain derailleur : en fr
  • US2037252A - Hydrodynamic power transmission device : en
  • USD99275S - Design fob a merchandise display : en
  • US2037095A - Typographical machine : en
  • DE628787C - Note gate : de en
  • GB445606A - Improvements in or relating to coin-operated devices : en
  • GB445621A - Improvements in or relating to grinding or abrading machines : en
  • GB445699A - Auxiliary steering apparatus for dirigible vessels : en
  • US2037022A - Tank truck : en
  • US2037246A - Tumbling machine : en
  • US2037296A - Chuck mechanism : en
  • DE628645C - Safety door with sloping sliding surfaces for vehicles of all kinds : de en
  • DE628846C - Bed feather washing machine : de en
  • FR796958A - Method and device for affixing inscriptions, images and emblems, in particular on smooth surfaces : en fr
  • GB445865A - Improvements in or relating to the manufacture of coloured bitumen emulsions : en
  • FR796799A - Chair : en fr
  • GB445551A - Improved method of and means for separating and/or estimating particles suspended ingases or vapours : en
  • GB445764A - Improvements relating to spray heads : en
  • DK51507C - Procedure and Plant for Regulation by Pasteurization of Milk and Similar Liquids. : da en
  • DE628709C - Turret switching on turret swivel arms : de en
  • US2037249A - Apparatus for baling paper pulp : en
  • US2037104A - Plumber's snake tool : en
  • USD99302S - Design for a bicycle : en
  • CH183467A - Process for the preparation of an alkaline reacting medium for feeding hot water and steam generators. : de en
  • FR796753A - Calculating or tabulating machine controlled by punched cards and fitted with a device for transferring orders of magnitude or quantities from one meter to another : en fr
  • GB445535A - Improvements in or relating to cash registers, accounting machines and similar machines : en
  • US2037666A - Manufacture of diaphragms : en
  • US2037370A - Filtering medium and processes of producing the same : en
  • US2037597A - Apparatus for making multicolored paperboards : en
  • US2037076A - Sled : en
  • US2037467A - Continuous milk delivery system : en
  • USD99298S - Design for a lighting fixture : en
  • US2037206A - Shaft bearing : en
  • US2037571A - Control of plugging : en
  • FR796726A - Process for obtaining rail joints by gas welding, with the use of shoe calipers or soles with calipers : en fr
  • CH183445A - Process for the production of fluorine. : de en
  • USD99277S - Design for a phonograph cabinet : en
  • GB445461A - Improvements in or relating to boiler feed recording and control apparatus : en
  • US2037420A - Sealing means for wrappers : en
  • FR796710A - Cast steel wheels : en fr
  • FR796715A - cathode ray tube screen : en fr
  • US2037535A - Vacuum apparatus : en
  • DE628817C - Sochkel sewing machine : de en
  • US2037209A - Locomotive crosshead : en
  • DE628848C - Process for transferring potassium chlorine into agglomerated masses : de en
  • ES4485U - Automatic device for the placement of road signs on the road surface (Machine-translation by Google Translate, not legally binding) : en es
  • CH183466A - Method for producing a hardened synthetic resin. : de en
  • US2037668A - Cable releasing device : en
  • DE628729C - Machine for trimming the heads of pit wood stamps : de en
  • GB445669A - Improvements in pistons of internal combustion engines : en
  • CH183491A - Sighting and control apparatus for handguns. : de en
  • US2037397A - Turnstile : en
  • US2037399A - Protective system : en
  • US2037651A - Three-position mechanical movement : en
  • USD99317S - Design fob a drawer pull or : en
  • GB445598A - Improvements in and relating to rotary distributors for sewage and other liquids : en
  • GB445575A - Improvements in or relating to electric discharge devices : en
  • FR796745A - Improvements relating to the mixing of concrete mortar or similar products : en fr
  • DE628751C - Welded T-beam : de en
  • US2037659A - Interlocking circuits : en
  • US2037049A - Gas retaining fabrics and method of preparing the same : en
  • US2037365A - Method and means for determining the lubricating qualities of liquids : en
  • US2037542A - Light sensitive materials containing light sensitive diazo compounds : en
  • FR796831A - Tedder fork : en fr
  • FR796970A - Device for testing motor vehicles : en fr
  • FR796795A - Process for increasing the efficiency of processes for the artificial production of radioactivity by neutron bombardment : en fr
  • GB445611A - Improvements in or relating to carriers for photographic film or other light-sensitive material : en
  • GB445648A - Improvements in electric discharge devices : en
  • CA357237A - Variable speed transmission : en fr
  • GB445492A - Improvements in and relating to bodies, or containers for general transport of merchandise, or the like : en
  • GB445755A - Improvements in manifold writing attachment for typewriters : en
  • US2037507A - Composition material : en
  • CA357127A - Motor vehicle lighting arrangement : en fr
  • US2037274A - Twist counter : en
  • DE628714C - Laundry dryer with rods lined up rotatably on a bolt or the like : de en
  • FR796960A - Heat exchanger installations for fluids : en fr
  • GB445682A - Improvements in or relating to electric conductors and methods of insulating them : en
  • US2037390A - End plate mechanism for roller mills : en
  • US2037652A - Shoe and method of making same : en
  • USD99274S - Design for a closure cap or : en
  • US2037044A - Method of and apparatus for measuring the evenness of materials : en
  • US2037637A - Atmosphere testing device : en
  • US2037011A - Manufacture or treatment of products or articles having a basis of cellulose derivatives and of reagents therefor : en
  • US2037384A - Connecting rod : en
  • CH183470A - Procedure for binding books. : de en
  • DE628538C - Zinc-carbon element with alkaline electrolyte and air-depolarized carbon electrode : de en
  • US2037030A - Navigation instrument : en
  • US2037074A - Transmission mechanism : en
  • US2037409A - Relative humidity and temperature recording apparatus : en
  • US2037611A - Frame : en
  • US2037349A - Waxing apparatus : en
  • US2037563A - Mineral oil composition : en
  • NL38002C - : en
  • CH183482A - Filling pencil. : de en
  • FR796997A - Stool enhancements for cycles : en fr
  • US2037566A - Cleaner for tin, zinc, and aluminum : en
  • US2037180A - Safety razor : en
  • US2037654A - Process for the preparation of organic acids from ketones : en
  • USD99324S - Design for a plating board for : en
  • CH183411A - Door hinge. : en it
  • CH183523A - Device on pipes that are embedded in a concrete layer and form a string for anchoring the same. : de en
  • CH183567A - Circuit for the amplification of high or medium frequency vibrations with automatic volume control. : de en
  • DE628851C - Process for filling insulation elements with poorly heat-conducting gases : de en
  • DK51515C - Procedure for Manufacturing Fuel. : da en
  • DE628760C - Device for casting flat stereotype plates : de en
  • NL37802C - : en
  • CH183575A - Removable device used to ensure the adhesion of a vehicle wheel tire to the ground. : en fr
  • CH183429A - Recording device for electric immersion beer warmers. : de en
  • DK51527C - Procedure and means of clearing cloudy juices and extracts. : da en
  • ES3587Y - Bottle for all kinds of soft drinks. : en es
  • US2037594A - Harness for looms : en
  • USD99326S - Design for a combined supporting : en
  • US2037608A - Method of forming metal pipe blanks : en
  • CH183462A - Process for the transformation under pressure and in the liquid phase of hydrocarbons with high boiling points into hydrocarbons having lower boiling points. : en fr
  • DE628734C - Lubrication for internal combustion engines with controlling piston valve : de en
  • US2037214A - Telephone system : en
  • USD99297S - Design fob a camera : en
  • ES4044Y - Recreational announcing device. : en es
  • FR796954A - Process for the separation of suspended particles in gases and vapors : en fr
  • FR796777A - Process for treating lignite with a high wood content, also containing a high proportion of clay or sand : en fr
  • DE628744C - Quenched and tempered molybdenum-containing steel alloys with high heat resistance : de en
  • DK51519C - Method and Apparatus for Receiving Sheets. : da en
  • US2037422A - Gun sight : en
  • USD99333S - Design for a bottle or similar : en
  • FR796822A - Improvements to indirect lighting devices : en fr
  • FR796738A - Mechanical transmission for so-called suspended vehicles : en fr
  • FR796966A - Multiplication machine with multiple components : en fr
  • GB445517A - Improvements in or relating to concrete mixers : en
  • US2037543A - Electric cable : en
  • CA357171A - Ethylpropylacrolein hydrogenation : en fr
  • US2037430A - Wood heel machine : en
  • US2037165A - Vibration translating device : en
  • US2037167A - Electrooptical system : en
  • US2037282A - Take-up device for knitting machines : en
  • CA357114A - Safety razor : en fr
  • CH183542A - Fastening of contact pieces in the insulating bodies of electrical plug contacts. : de en
  • GB445684A - Testing apparatus for fluid-tight casings : en
  • CA357213A - Cultivator : en fr
  • CH183594A - Process for the preparation of an azo dye. : de en
  • DE628834C - Ring-shaped arc protection device for isolator chains : de en
  • DE628874C - Valve bag filling machine or similar : de en
  • DK51524C - Method for Making Multicolored Bleaching Layers for Multicolored Photocopies. : da en
  • US2037250A - Electric fan : en
  • US2037461A - Stapling machine : en
  • US2037628A - Needle receptacle : en
  • CH183597A - Process for the production of a new, acidic dye of the anthraquinone series. : de en
  • CH183528A - Process for the production of Stauffer bushes with welded lower part. : de en
  • CA357201A - Boron carbide manufacture : en fr
  • CA357169A - Container handle : en fr
  • NL38056C - : en
  • US2037545A - Manufacture of concrete blocks and the like : en
  • US2037674A - Distillation of hydrocarbon oils for the production of lower boiling hydrocarbon oils : en
  • CA357193A - Precipitating apparatus : en fr
  • CH183514A - Method and device for the production of horse blankets from leather. : de en
  • DK51514C - Process for the preparation of a flavoring agent for fats and fatty mixtures other than butter. : da en
  • US2037015A - Crutch pad : en
  • DE628460C - High emission cathode : de en
  • CA357192A - Valve : en fr
  • US2037003A - Articulator : en
  • US2037161A - Apparatus for the optical calibration of timepieces : en
  • US2037272A - Vehicle wheel : en
  • CA357159A - Heat exchanger : en fr
  • US2037615A - Automobile wheel : en
  • FR796838A - Process for manufacturing tubes for superheaters, heat exchangers or others, and new tubes obtained : en fr
  • FR796918A - Device for examining machine parts for chi rays : en fr
  • US2037160A - Radio frequency oscillator : en
  • CH183587A - Process for the preparation of an amine oxide. : de en
  • US2037247A - Machine for beading bodies of sheet metal barrels : en
  • NL37775C - : en
  • US2037061A - Variable coil : en
  • US2037496A - Furnace : en
  • CH183418A - Wooden grate. : de en
  • US2037018A - Boiler : en
  • US2037621A - Tillage combine : en
  • US2037592A - Refrigeration : en
  • GB445718A - Improvements in and relating to coin-freed prepayment mechanism : en
  • USD99263S - Design for a game board : en
  • US2037069A - Blade wheel propeller : en
  • USD99323S - Design for a trailer vehicle : en
  • US2037131A - Hay press : en
  • US2037294A - Laminated material : en
  • US2037125A - Pressure control : en
  • US2037527A - Apparatus for determining the toughness of abrasive bodies : en
  • US2037574A - Separating and concentrating machine : en
  • DE628794C - Dry gas container with a concertina-like sheet metal jacket : de en
  • DK51517C - Hair clips. : da en
  • FR796845A - Device for automatic suspension and disengagement of portable motors used for boiler work : en fr
  • US2037223A - Tongs for removing and putting in place the key rings of typewriting machines and the like : en
  • FR796860A - Treatment process for household waste and urban waste : en fr
  • DE628882C - Porous, partially glazed clay vessel for keeping milk fresh : de en
  • CA357112A - Adjustable machine support : en fr
  • US2037377A - Construction for aircraft : en
  • US2037295A - Phenol extraction : en
  • DE628737C - Paper container : de en
  • DK51522C - Elastic Coupling, especially for Combustion Machines. : da en
  • DK51516C - Cutting device for paper folding machines. : da en
  • US2037199A - Bearing removing and inserting device : en
  • US2037481A - Adhesive applicator for french folding mechanisms : en
  • US2037191A - Registering device : en
  • US2037385A - Refining hydrocarbon oil : en
  • US2037455A - Brake : en
  • US2037088A - Sewing machine : en
  • US2037238A - Hydrocarbon oil conversion : en
  • US2037042A - Food material and process of making it : en
  • US2037205A - Method of manufacturing paper tacking strips : en
  • US2037575A - Alarm device for sprinkler systems : en
  • US2037170A - Shoe : en
  • CH183522A - Sealing device for rotating shaft. : en fr
  • CA357117A - Liquid dispenser : en fr
  • US2037155A - Control structure : en
  • US2037254A - Process of printing advertising on rubber bands : en
  • US2037547A - Plow sweep : en
  • US2037016A - Indicating system for pneumatic tires : en
  • US2037270A - Paper fastener : en
  • US2037585A - Method of making phenolic resins : en
  • DE628929C - So-called artillery wheel consisting of sheet metal parts with pressed spokes : de en
  • US2037201A - Clinical surface thermometer : en
  • USD99336S - Design for a flashlight head : en
  • US2037098A - Push-back curtain and drapery hook : en
  • US2037163A - Roofing : en
  • US2037625A - Trap joint and drain outlet : en
  • US2037185A - Sound translating device : en
  • USD99283S - Design for a dress : en
  • US2037393A - Venetian blind : en
  • DE628836C - Protection device for cold smoking chambers against smoking chamber fire : de en
  • DE628854C - Heat timer for electrical lighting systems : de en
  • CA357175A - Thiazoline dye : en fr
  • CA357184A - Heating device : en fr
  • CH183435A - Ironing device. : de en
  • US2037501A - Roundhouse equipment : en
  • US2037107A - Transmission gain control : en
  • CH183598A - Multi-piston hydraulic press for lifting devices, in particular for tiltable vehicle bridges. : de en
  • CH183473A - Device for casting matrices set in a manual setting boat in a line casting machine designed in the manner of a die setting and casting machine, in which the line of dies to be cast is arranged on the vice. : de en
  • DE628747C - Circuit for eliminating mains hum in a non-earthed, mains-fed amplifier : de en
  • CH183512A - Veneer press. : de en
  • FR796835A - Improvements to convertible bodies : en fr
  • US2037497A - Reciprocating valve : en
  • US2037612A - Amusement device : en
  • GB445638A - Improvements in the production of a mixture of coal-gas and water-gas : en
  • DE628938C - Collapsible, cell-divided packaging container for eggs or the like. : de en
  • FR796942A - Force amplifying mechanism : en fr
  • GB445728A - Improvements in the heat treatment of coal and oil mixtures and distillates obtainedtherefrom : en
  • CA357198A - Furniture corner : en fr
  • US2037447A - Multiple rate meter : en
  • CH183394A - Adjustable support for items to be held over drift beds. : de en
  • DK51509C - Control device for multi-cylinder internal combustion engines with Fuel injection and Air throttling at less than full Load. : da en
  • GB445724A - Improvements in or relating to oil burners : en
  • CA357131A - Aircraft : en fr
  • FR796782A - Molding process and apparatus for its implementation : en fr
  • AU121036A - A rubber bag for protecting foodstuffs : en
  • CA357153A - Water heater : en fr
  • DE628746C - Vibration generator maintenance with an oscillator with negative internal resistance : de en
  • US2037642A - Blade lock for metal cutting tools : en
  • US2037614A - Band pass amplifier coupling : en
  • CH183479A - 35mm photographic camera with viewfinder chamber. : de en
  • FR796852A - New rotary engine : en fr
  • CH183571A - Multi-speed change gear on motor vehicles. : de en
  • GB445629A - A new or improved machine or apparatus for cutting, slicing, mashing, or squeezing vegetables, fruit, and other foodstuffs : en
  • GB445851A - Improved method and plant for the manufacture of shaped fuel : en
  • DE628852C - Device for extinguishing the alternating current arc in current interruption devices : de en
  • US2037033A - Vibration insulating joint : en
  • US2037059A - Internal combustion engine : en
  • US2037258A - Radio amplifier with arrangement for electric-phonograph reproduction : en
  • US2037290A - Refractory brick construction : en
  • US2037347A - Locking closure for containers : en
  • US2037656A - Spray material : en
  • FR796735A - Internal combustion engine housing : en fr
  • USD99299S - Design for a dressing table : en
  • FR796930A - Force transmission mechanism : en fr
  • US2037364A - Ice cube tray : en
  • USD99280S - Design for an instrument case : en
  • GB445463A - Improvements in or relating to machines for planting potatoes and the like : en
  • FR796910A - Improvements to electric heaters : en fr
  • FR796925A - Carburetor improvements for internal combustion engines : en fr
  • FR796906A - Coating and impregnation compositions and their application methods : en fr
  • FR796871A - Level device for measuring the slope of curved tracks : en fr
  • GB445574A - Improvements in or relating to extrusion devices for forming pellets : en
  • FR796832A - heat exchanger : en fr
  • NL43062C - : en
  • GB445480A - Improvements in twist-lace machines : en
  • CH183565A - Shielding device for high frequency conductors. : de en
  • US2037372A - Tricoin register bank : en
  • FR796868A - Improved transmission mechanism, usable, in particular, in braking devices with servo-motor : en fr
  • GB445527A - Improvements in link chains for transmission of power between sprocket wheels : en
  • GB445741A - A new or improved foldable or collapsible hat box : en
  • GB445510A - Improvements in crushing and grinding mills : en
  • GB445515A - Improvements in track circuits for railways : en
  • GB445557A - Improvements in and relating to electric motor control systems : en
  • US2037038A - Artist's painting board : en
  • FR796812A - Preparation process for plastics : en fr
  • GB445705A - Pigments and their manufacture : en
  • GB445650A - Process for producing a special malt : en
  • GB445739A - Process for the manufacture of mercury compounds containing nitrogen : en
  • US2037400A - Gas burner : en
  • US2037526A - Circuit maker and breaker : en
  • GB445559A - Improvements relating to controlling valves for fluid systems : en
  • DE628776C - Process for the production of corrosion-resistant and poorly heat-conducting iron or steel plates : de en
  • GB445745A - Improvements in quick-action electric switches suitable for controlling refrigerating plants : en
  • GB445568A - Improvements in or relating to containers or cartons for photographic roll film cartridges : en
  • US2037130A - Imitation leather and manufacture thereof : en
  • US2037644A - Individual drive transmission unit : en
  • DE628909C - Oven or stove wall with thin tile plates : de en
  • US2037135A - Rug beater : en
  • DE628763C - DF device with two identical, separately tunable receiving antennas : de en
  • ES4042Y - Device for cage feeders. : en es
  • CA357167A - Sink making apparatus : en fr
  • US2037235A - Drive screw and method of making same : en
  • FR796784A - Process for increasing the volume of tar for road works : en fr
  • GB445495A - Improvements in and relating to electric condensers : en
  • DE628689C - Method of heating milk : de en
  • GB445722A - Improvements in machines for separating liquid from reduced ore products and the like : en
  • US2037521A - Liquid congealing apparatus : en
  • DE628933C - Ignition device for smoke candles, incendiary devices, smoldering devices or the like for nebulizers : de en
  • US2037077A - Garment hanger : en
  • DE628785C - Machine for labeling rolls with an axial hole : de en
  • US2037079A - Oral cavity appliance : en
  • GB445562A - Bag forming, handling and filling mechanism : en
  • DE628754C - Cool ship for wort : de en
  • DE628883C - Process for the production of photographic copies on material with superimposed, differently sensitized and colored light-sensitive layers after color halftone images : de en
  • GB445586A - Improvements relating to aircraft instruments : en
  • USD99304S - Design for a jab or similar article : en
  • US2037367A - Vehicle heating system : en
  • USD99307S - Design for an article supporting : en
  • DE624812C - Switch for automatic interruption of the electrical circuit : de en
  • DE628745C - Resilient contact wire suspension : de en
  • DE628802C - Tabulation device on typing, writing calculators, adding machines, etc. : de en
  • GB445582A - Improvements in or relating to thermionic valve circuit arrangements : en
  • CA357166A - Mixed cellulose ester and product : en fr
  • FR796892A - Smoke detection fire signaling device : en fr
  • GB445752A - Improvements in and relating to fountain pens : en
  • CH183425A - Container with a sliding filter intended for preparing and filtering infusions. : en fr
  • CH183438A - House and slipper. : de en
  • GB445615A - Improvements relating to machines for spreading material on roads and similar surfaces : en
  • GB445683A - Underground shelter : en
  • DE628829C - Process for the preparation of N-alkylated imino compounds : de en
  • US2037182A - Shaker conveyer : en
  • GB445706A - Improvements in or relating to the production of effects on fabrics, foils, films, fibres and the like containing cellulose esters or ethers : en
  • DE628797C - Device for finishing socks and knitted goods on forms : de en
  • FR796909A - Sheet steel or iron file : en fr
  • FR796946A - Advanced automatic shuttle change mechanism for looms : en fr
  • US2037469A - Folding machine : en
  • US2037627A - Device for controlling the action of a fluid under pressure : en
  • DE606873C - Seamless metal tooth crown with porcelain facet : de en
  • DE628796C - Process for matting artificial silk textile goods, in particular stockings : de en
  • DE628865C - Process for breaking down cocoa : de en
  • US2037389A - Nitriles of higher unsaturated fatty acids and a process of preparing them : en
  • US2037549A - Ironing machine : en
  • FR796883A - Two-way electrical switch relay : en fr
  • DE628706C - Circuit arrangement for telecommunications, in particular telephone extension systems : de en
  • GB445864A - Improvements in electric lamp holders and the like : en
  • CA357194A - Filter : en fr
  • CH183558A - Polishing felt for mechanical drives, in particular for polishing dental prosthesis clips. : de en
  • USD99272S - Design for a coat or similar article : en
  • DE628720C - Differential relay : de en
  • US2037111A - Chemical process for the preparation of white beeswax from crude beeswax : en
  • US2037253A - Casing cleaning machine : en
  • US2037183A - Carrier line power supply : en
  • FR796964A - Speedometer for film projectors, especially narrow films : en fr
  • GB445735A - Improvements relating to the setting and flues of fire-back boilers : en
  • FR796811A - Further training in film developing machines and the like : en fr
  • US2037004A - Process of producing saponified material : en
  • FR796865A - Improvements to processes and installations for the artificial drying of ceramic products and in particular tiles and bricks : en fr
  • GB445968A - Improvements in or relating to aerial systems : en
  • GB446092A - Improvements in pyrophoric igniters : en
  • FR796993A - Eclipse bodywork : en fr
  • GB445672A - Improvements in or relating to brakes : en
  • GB445697A - Improvements relating to the digestion of sewage sludge : en
  • DE628906C - Centrifugal wheel for pumping gases and liquids : de en
  • US2037539A - Printed crinkled rubber and method of making same : en
  • US2037381A - Heddle frame : en
  • US2037579A - Filing folder and method of manufacturing the same : en
  • USD99334S - Design for a radio receiver : en
  • GB445590A - Improvements in darts : en
  • CA357181A - Tire tube : en fr
  • CH183469A - Envelope. : en fr
  • GB445657A - Improvements in and relating to friction race and roller variable speed transmission : en
  • US2037066A - Connecter : en
  • DE628902C - Rotary grate gas generator with a rotatable water-filled ashtray : de en
  • USD99287S - Design for a casing fob a toaster : en
  • GB457549A - An improved process for making washing agents containing soap : en
  • DE628806C - Zero voltage release for starter with automatic return : de en
  • FR796927A - Mounting system to increase the use of operating telephone installations : en fr
  • ES140743A3 - Preparation process of sodium 4-4'-dioxy-3-3'-diaminoarsenobenzene-metasulfoxylate. : en es
  • GB445711A - Improvements in and relating to the recovery of sulphur dioxide from gas mixtures : en
  • US2037142A - Thermostatic structure : en
  • GB445592A - Improvements in and relating to light filtering media : en
  • FR796739A - Process for transforming gluten and starch contained in plants into digestible elements : en fr
  • FR796926A - Maneuvering device for loading devices for extraction installations with well containers : en fr
  • DK51513C - Impeller with swivel Buckets. : da en
  • FR796882A - Advanced harvester-binder : en fr
  • FR796770A - Luminous arc current rectifier, comprising electrodes arranged in a stream of extinguishing fluid : en fr
  • FR796772A - Method and apparatus for pulling knitted loops by the combined action of needles and platens : en fr
  • CH183475A - Planographic printing form, in particular offset printing form, and method for producing such a printing form. : de en
  • FR796728A - Current inverter for dynamo supplying a battery and a consumer network : en fr
  • FR796817A - Multi-layered photographic printing equipment for producing multi-color photographs : en fr
  • ES141180A1 - An electrochemical process for coating objects made of iron, brass, copper, alpaca and other metals from a shiny layer of electrolytic zinc that protects against oxidation. : en es
  • DE628887C - Process for lining shafts, tunnels, sections or tunnels with concrete : de en
  • DE1370387U - : de en
  • DE628904C - Process for the production of circular knitted fabrics : de en
  • DK51528C - Lubricant, especially for Lubrication at very high system pressures. : da en
  • CH183485A - Orientation board. : de en
  • DK51521C - Expandable Cufflinks. : da en
  • ES4033Y - Tap. : en es
  • GB445751A - Improvements in chairs constructed of tubular metal and the like : en
  • CH183561A - Process for preparing a product intended to regenerate stale air. : en fr
  • US2037287A - Water closet seat and cover : en
  • US2037127A - Fluid pump : en
  • US2037245A - Fluid separator : en
  • GB445593A - Improvements in and relating to electric discharge devices : en
  • DE628799C - Process for the production of valuable chemical products in the regeneration of alkaline waste liquors of organic substances : de en
  • GB445742A - Process for reducing the viscosity of cellulose ester waste : en
  • US2037319A - Process for treating mineral oils : en
  • US2037340A - Composite metal article of manufacture : en
  • US2037395A - Multistage fan : en
  • CH183434A - Capillary active agent. : de en
  • US2037388A - Hair waving and curling device : en
  • CH183554A - Arrangement for regulating converters by means of a grid. : de en
  • US2037415A - Method of forming track shoes : en
  • FR796875A - Improvement in amplification processes : en fr
  • FR796894A - Fly trap : en fr
  • GB445569A - Improvements in artificial teeth or repair parts for natural teeth : en
  • GB445618A - Improvements in or relating to photographic cameras : en
  • US2037598A - Combustion chamber air feed means : en
  • GB445488A - Improvements in carburetters : en
  • US2037239A - Spark plug : en
  • US2037479A - Drop cabinet : en
  • USD99268S - Design for an adjustable initial in : en
  • US2037573A - Concrete construction : en
  • DE628707C - Switch with extinguishing of the arc by a flow of compressed gas : de en
  • FR796870A - Hub for propeller, rotary wing, fan, compressor, etc. : en fr
  • US2037412A - Tractor wheel accessory : en
  • FR796714A - Proportional partition : en fr
  • DK51510C - Procedure for the manufacture of endless belts. : da en
  • CH183414A - Electrically heatable grill. : de en
  • US2037601A - Biograph film winding apparatus : en
  • FR796901A - Static device for automatic regulation of the flow of a fluid : en fr
  • DE628807C - Device for tension-free insertion of high-performance fuse cartridges or strips : de en
  • GB445643A - Improvements in or relating to pressure compensating devices : en
  • US2037215A - Automobile bumper : en
  • US2037441A - Measuring device : en
  • GB445563A - Fabric bags for essence-containing products such as tea and the like : en
  • CA357209A - Dewaxing system : en fr
  • GB445522A - Vehicles for collecting refuse : en
  • GB445743A - Improvements relating to the winding of yarns and filaments : en
  • US2037152A - Liquid agitator : en
  • US2037494A - Liquid pressure braking means for vehicles : en
  • CH183599A - Atomizer. : de en
  • US2037026A - Vaporproof mounting for receptacles : en
  • US2037232A - Trolley anchor : en
  • US2037259A - Wood flooring : en
  • US2037470A - Vehicle wheel : en
  • CH183584A - Overtemperature protection, especially on electrical hot water storage tanks. : de en
  • USD99311S - Design for a finger ring : en
  • CH183503A - Watch movement. : en fr
  • CH183447A - Process for the preparation of a detergent containing active oxygen. : de en
  • CH183580A - Bogie with relieved pivot pin, for rail vehicles. : de en
  • US2037508A - Football dummy : en
  • CA357177A - Dye : en fr
  • FR796850A - Viscometer : en fr
  • US2037375A - Method of tempering electric heater shells made of phenol-formaldehyde condensation product : en
  • US2037630A - Pliable electrical fitting : en
  • CH183494A - Device for determining the altitude of an aircraft whose speed with respect to the ground is known. : de en
  • FR796816A - Improvements to thin body cutting processes : en fr
  • CA357222A - Vibrator : en fr
  • US2037320A - Hook : en
  • US2037647A - Gun : en
  • DE628775C - Spark plug : de en
  • CH183498A - Device for performing calculations. : en fr
  • CA357220A - Clamp : en fr
  • US2037137A - Plant cultivation : en
  • CH183463A - Fuel or heating fuel, in particular propellants for vehicle internal combustion engines. : de en
  • US2037313A - Gun : en
  • US2037386A - Lock leg for stoves : en
  • CA357185A - Wall construction : en fr
  • CH183428A - Shaving brush. : de en
  • DE628885C - Safety burner, the valve of which is actuated by a disk-shaped heat spread : de en
  • GB445511A - Improvements in or relating to the manufacture of malt : en
  • US2037411A - Door closing device : en
  • USD99310S - Design for a door handle or : en
  • US2037403A - Trailer hitch : en
  • US2037609A - Carton edge protector and tie retainer device : en
  • US2037271A - Woven wire screen : en
  • US2037366A - Slidable seat for vehicles and the like : en
  • US2037589A - Car stop : en
  • CH183591A - Process for the preparation of an azo dye. : de en
  • CH183493A - Air conditioning installation for combat gas shelters. : en fr
  • GB445652A - Improvements in aerial propellers with variable pitch : en
  • CA357179A - Crystalline material conditioning process : en fr
  • CA357155A - One button switch : en fr
  • CA357122A - Bed for automobiles : en fr
  • CH183589A - Process for the preparation of a chromium-containing azo dye. : de en
  • US2037173A - Lubrication system for rear axle differential bearings : en
  • DE628773C - Sheet-shaped sound recording medium : de en
  • US2037227A - Piston : en
  • ES3987Y - Mechanism that makes armchairs, armchairs, stools and similar items articulated and foldable. : en es
  • CH183440A - Method of making a bread. : de en
  • US2037439A - Fumigant composition : en
  • US2037667A - Computing mechanism : en
  • CH183569A - Apparatus for demonstrating advertising items. : de en
  • CA357137A - Gluing machine : en fr
  • DE628813C - Manually adjustable shut-off device for the gas and liquid supply to gas-heated liquid heaters : de en
  • US2037586A - Locking means for threaded elements : en
  • US2037006A - Process for producing soap having a definite water content : en
  • US2037419A - Manufacture of halogenated hydrocarbons : en
  • US2037162A - Camera supporting and controlling device : en
  • US2037322A - Pigmented film-forming composition : en
  • US2037491A - Straw saving device for combines : en
  • US2037218A - Separation of colloidal and other suspended matter from oils : en
  • US2037369A - Door construction : en
  • US2037679A - Method and apparatus for rejecting heat from a cascade system : en
  • US2037488A - Method of decorating paper and the product thereof : en
  • DE628493C - Filter device for water : de en
  • US2037685A - Dehydration and purification of co gas : en
  • NL37864C - : en
  • US2037636A - Stepped shaft and method of making the same : en
  • USD99293S - Design for a candlestick : en
  • FR796944A - Compressed air device for practice firing, particularly for light machine guns and submachine guns : en fr
  • GB445760A - Improvements in devices for opening cartons, paper pots and like fibrous-walled containers : en
  • US2037001A - Alcoholic treatment of ligneous cellulosic material : en
  • US2037097A - Safety point bar for flat knitting machines : en
  • US2037427A - Dust collector for mops : en
  • US2037392A - Eddy current control for leers : en
  • US2037263A - Transmission : en
  • USD99279S - Design for an instrument case : en
  • CA357189A - Mechanical pencil : en fr
  • DE628691C - Methods and aids for setting light : de en
  • DE628758C - Note plates made of springy fabric for index sheets with oppositely directed insert tongues : de en
  • FR796998A - Glass grinding machine : en fr
  • GB445778A - Improvements in and relating to electric fuses for overhead distribution lines : en
  • CH183453A - Process for the preparation of an azo dye. : de en
  • GB445509A - Improvements in and relating to cutting mechanism for cigarette making machines : en
  • GB445595A - Improvements in or relating to the propulsion of models, vehicles or miniature figures or toys : en
  • DE628782C - Perforated metal plate to reinforce the individual nail holes of rubber heels, rubber corners, etc. like : de en
  • FR796837A - Improvements to refrigerated cabinets : en fr
  • US2037300A - Combined pea harvester and huller : en
  • US2037343A - Card for corn pads and the like : en
  • GB445541A - Rubber and its preparation for manufacture : en
  • GB445720A - Improvements in or relating to temperature control of pre-heated oil for oil burners : en
  • DE628749C - Electrical switch with electrodes moved in resistance fluid : de en
  • FR796932A - Counter with new clutch device for tabulating machine : en fr
  • FR796978A - Improvements to coils to produce a uniform magnetic field, particularly applicable to cathode ray tubes : en fr
  • CH183432A - Rawhide shooters for loft looms and process for making the same. : de en
  • FR796943A - Free piston engine gas generator : en fr
  • CH183552A - Cooling device for thermionic tubes. : en fr
  • DE628842C - Process for metallizing porcelain : de en
  • DE628937C - Process for the production of ceramic bodies : de en
  • GB445779A - Improvements in or relating to chairs, seats or the like : en
  • US2037401A - Pumping apparatus : en
  • USD99284S - Design fob shelf papek : en
  • FR796853A - Silent improvements : en fr
  • DK51520C - Waterproof branch box, lamp box or similar cable box. : da en
  • GB446269A - Manufacture of condensation products containing nitrogen and sulphur : en
  • DE628710C - Method for the production of tools, in particular for processing embossing rollers for lenticular lens films, with a ground working diamond : de en
  • USD99308S - Design for a combined cigarette : en
  • NL37828C - : en
  • CH183455A - Process for the preparation of an azo dye. : de en
  • FR796793A - Lowering device for bundles : en fr
  • GB445866A - Improved method of making hollow wire : en
  • ES3325Y - Recoil device applicable to automatic pistols. : en es
  • FR796917A - Products containing sulphonic groups and process for their preparation : en fr
  • FR796840A - Automatic variable pitch propeller : en fr
  • US2037339A - Internal combustion engine of the liquid fuel injection type : en
  • USD99300S - Design for a make-up cabinet : en
  • FR796891A - Washing machine, rinsing and spinning the laundry : en fr
  • FR796877A - Development in sensitive relays : en fr
  • GB445656A - Sharp pointed penetrative implements : en
  • US2037286A - Jointer fence adjustment : en
  • USD99318S - Design for a cooking range : en
  • FR796895A - Nozzle device forming an electrical resistance, for heating the liquid fuel : en fr
  • GB445518A - Improvements relating to method of and apparatus for treating plastics : en
  • GB445587A - Improvements in the manufacture of pigments : en
  • DE628584C - Pair of needle rollers for opening up fiber material : de en
  • US2037144A - Shaft seal : en
  • US2037572A - Definite time relay : en
  • GB445501A - Process for the preparation of basic copper sulphates and ammonium sulphates : en
  • US2037099A - Illuminating lamp : en
  • US2037126A - Motor vehicle : en
  • US2037341A - Box : en
  • CH183487A - Ball throwing game. : de en
  • US2037633A - Method of and apparatus for cleaning stainless steel : en
  • FR796996A - Speckled textile and its manufacturing process : en fr
  • FR796778A - Acid hardening fixing composition and method of preparation : en fr
  • FR796989A - Improvements to pumps, compressors, rotary motors and similar machines : en fr
  • GB445466A - Improvements in or relating to the dyeing or printing of textile materials : en
  • DE628684C - Device for generating gaseous fuel mixtures from liquid fuel and combustion air : de en
  • US2037115A - Carline assembly : en
  • US2037510A - Pan set : en
  • CH183550A - Switch with arc extinguishing by a pressure medium. : de en
  • US2037314A - Printing part color picture : en
  • US2037570A - High speed circuit breaker : en
  • GB445935A - An improved sound reproducing device : en
  • FR796721A - Ball valve with direct flow : en fr
  • FR796851A - Process for making any surface or capacity unalterable or waterproof : en fr
  • GB445649A - Musical drum : en
  • FR796764A - Improvements in color photography : en fr
  • FR796987A - Improvements in the manufacture and production of interesting hydrocarbons : en fr
  • FR796808A - Plunger utensil for the preparation of mousse such as whipped cream or eggs with snow : en fr
  • FR796965A - Transmissions : en fr
  • GB445623A - Settee beds : en
  • GB445498A - Improvements in or relating to light valves : en
  • FR796787A - Improvements made to devices providing passage to a fluid, in particular carburettors for internal combustion engines : en fr
  • FR796829A - Bipolar magneto with rotating magnet : en fr
  • FR796890A - Improvements to grain mills, etc., with horizontal metal discs : en fr
  • ES3993Y - Formwork rail for road construction. : en es
  • GB445523A - Improvements in and relating to cathode ray tubes : en
  • DE628907C - Furnace for melting aluminum : de en
  • DE628735C - Automatic valve : de en
  • DE628783C - Alarm clock with light switch : de en
  • US2037141A - Gasoline dispenser : en
  • CA357139A - Rotary crude oil burner : en fr
  • US2037486A - Thermostatic control : en
  • CH183572A - Combined anti-theft and lifting device on motor vehicles. : de en
  • US2037073A - Liquid dispensing applicator : en
  • US2037080A - Wrapping and banding machine : en
  • US2037328A - Hydrometer : en
  • CH183555A - Tube for wireless communication devices. : de en
  • US2037037A - Method of treating coffee : en
  • CA357203A - Spring making apparatus : en fr
  • CH183402A - Procedure for laying ropes when assembling cable bridges in order to reduce the slack in the ropes during assembly. : de en
  • CH183417A - Door template. : de en
  • CH183557A - Sewing lamp. : de en
  • CH182080A - Device for taking correct-sided images using photomechanical paper. : de en
  • CA357214A - Electrical control device : en fr
  • US2037374A - Mine car : en
  • US2037528A - Wind motor : en
  • US2037255A - Electromagnetic translating device : en
  • CH183471A - Supply device for relay files. : de en
  • CH183490A - Device for determining and setting the lead angle for dropping objects from aircraft. : de en
  • DE628931C - Heel lasting machine : de en
  • US2037325A - Garment hanger : en
  • CA357190A - Heating pad : en fr
  • CH183546A - Electric regulator for organs to be controlled depending on pressure, temperature or humidity. : de en
  • US2037429A - Tire cover : en
  • US2037531A - Jack : en
  • USD99258S - Design for a textile fabric or : en
  • CH183392A - Mower. : de en
  • CA357161A - Welding rod : en fr
  • CA357187A - Wallboard construction : en fr
  • GB445676A - Improvements in cathode-ray oscillographs and other electric discharge tubes : en
  • NL37903C - : en
  • US2037105A - Laminated article and method of manufacture : en
  • US2037616A - Knotted carpet and method of manufacturing same : en
  • FR796904A - Manufacturing process of o-oxyazo dyes : en fr
  • GB445852A - Improvements in and relating to the manufacture of engine, hydraulic and other packings : en
  • CA357162A - Coated article preparation : en fr
  • CA357174A - Rod weeder : en fr
  • DE628898C - Electric rotary switch with lubrication of the contact track : de en
  • US2037090A - Sulphur preparation : en
  • US2037556A - Retort for use in the low temperature distillation of carbonaceous material : en
  • US2037632A - Meter test block : en
  • US2037261A - Locking device : en
  • US2037444A - Form or mold for walls of concrete and the like : en
  • US2037157A - Pay telephone station : en
  • ES3582Y - Rubber galoshes device in the shape of high boots, with covered zip closure. : en es
  • US2037418A - Circuit breaker : en
  • US2037342A - Hat block chuck : en
  • US2037454A - Film framing device : en
  • FR796719A - Improvements in the manufacturing of chlorinated rubber : en fr
  • GB445479A - Improvements in and relating to electric control systems for apparatus operating on a strip of material : en
  • CA357196A - Chain link shearing device : en fr
  • CH183543A - Method for manufacturing electric current conducting members, in particular heating resistors, and conducting member obtained by this method. : en fr
  • GB445679A - Improvements in or relating to connectors for electrical conductors : en
  • GB445723A - New or improved storing means for meal, flour, sugar, salt, and analogous commodities : en
  • FR796722A - Process for preparing a yellow substantive dye for cotton : en fr
  • GB445768A - Improvements in and relating to cakes and other cake-like baked products and methodsof making the same : en
  • CH183564A - Telegraph system for dual stream operation. : de en
  • DE625648C - Sports costume convertible into a coat : de en
  • US2037346A - Tool bit and holder therefor : en
  • DE628699C - Machine for the automatic cleaning of barrels : de en
  • DE628808C - Underneath the wind wander grate with grate bars lined up on cross members : de en
  • FR796765A - Production of a new dihydroxypyrene : en fr
  • DE628841C - Airplane landing sail with cross pads : de en
  • CH183578A - Device for the electrical transmission of the power of an internal combustion engine to vehicles. : de en
  • US2037289A - Refractory brick construction : en
  • USD99327S - Design for a container cap : en
  • GB445628A - Improvements in concrete : en
  • US2037228A - Mold and method of manufacturing the same : en
  • US2037677A - Apparatus for fractionally distilling oils : en
  • FR796972A - Process for producing interesting organic compounds and in particular liquid hydrocarbons by treatment of carbonaceous materials with hydrogenating gases : en fr
  • DE628894C - Dust protection plate for typewriters : de en
  • DE628703C - Driving trolley for shifting system : de en
  • FR796820A - Medical and surgical cabinet for the application by spraying and projection of medicinal products : en fr
  • GB445636A - Improvements relating to valves or cocks : en
  • FR796783A - Slider closures improvements : en fr
  • GB445580A - Improvements in or relating to electrical signalling systems : en
  • ES4039Y - Folding box intended for sugar case. : en es
  • FR796744A - Pen with interchangeable reservoir : en fr
  • FR796924A - Improvements to automatic gear change mechanisms : en fr
  • GB445667A - An improved carburettor for internal combustion engines : en
  • GB446171A - Safety means for television tubes : en
  • US2037396A - Electron discharge apparatus : en
  • US2037658A - Spray material : en
  • FR796794A - Television process : en fr
  • FR796992A - Guillotine window : en fr
  • DE628891C - Injection device for steam generator : de en
  • FR796902A - Double punching machine with complementary mechanism : en fr
  • GB445661A - Improvements in paper containers : en
  • CH183407A - Electric heater. : de en
  • US2037242A - Paper machinery : en
  • FR796727A - Process for improving the mechanical strength properties of magnesium alloys, in particular in the form of workpieces : en fr
  • GB445502A - Improvements in or relating to hinges for window sashes : en
  • GB445761A - Improvements in or relating to a method of and apparatus for use in testing the tension of gas tight fabrics and/or skins : en
  • GB445578A - Improvements in and relating to electric discharge devices : en
  • FR796815A - Method of manufacturing rubber objects by coagulation : en fr
  • US2037348A - Automatic lap-winding machine : en
  • DE628766C - End collar clamp for overhead lines : de en
  • DE628892C - Piston engine : de en
  • FR796803A - Zirconium oxychloride production process : en fr
  • FR796959A - Electrically heated cooking appliance : en fr
  • GB445640A - Improvements in or relating to controllable pitch propellers : en
  • DE628804C - Sealing of a shaft, consisting of creaks of rigid ring segments, which are drawn together radially by springs, axially driven apart for the purpose of sealing and encapsulate an inherently elastic sealing ring resting on the shaft : de en
  • US2037053A - Adhesive : en
  • US2037443A - Dynamic balancing machine : en
  • US2037446A - Electrical make-and-break contact : en
  • CA357199A - Cathode for electro-deposition : en fr
  • CH183400A - Horizontal sliding window with several sashes that can be individually moved and swiveled out. : de en
  • US2037071A - Apparatus for removing deposits of carbon, paints, varnish, and the like from engine parts : en
  • FR796931A - Cement pole for oyster and shellfish farming : en fr
  • GB445665A - Ray deflection system for braun tubes : en
  • US2037240A - Clutch device adapted for spray guns : en
  • CH183430A - Spinning process, especially for soft-twisted yarns and spinning device for carrying out this process. : de en
  • USD99316S - Design fob a flashlight casing : en
  • CH183401A - Process for the production of road surfaces, tennis courts, foundations, etc. : de en
  • DE628831C - Stranding machine for stranding several wires or strands twisted along their axes with a non-circular cross section : de en
  • US2037413A - Refrigerating cabinet : en
  • US2037635A - Profiling machine : en
  • US2037251A - Propeller : en
  • US2037327A - Ophthalmic lens and method of making the same : en
  • US2037302A - Safety gas valve : en
  • US2037350A - Flexible tube and union : en
  • US2037212A - Composite brake drum : en
  • US2037368A - Wiring device : en
  • US2037315A - Railway rail support : en
  • CH183576A - Automatic tire pump, especially for bicycles. : de en
  • CA357164A - Ceramic material : en fr
  • US2037169A - Fuel economizer : en
  • DE628781C - Device for sharpening mower knives : de en
  • US2037106A - Telephone system : en
  • US2037514A - Nonrefillable bottle : en
  • CH183497A - Device for gradual registration of a size, in particular for the implementation of a graduated tariff. : de en
  • US2037225A - Window construction : en
  • US2037530A - Carburetor : en
  • NL39010C - : en
  • US2037474A - Hydraulic brake : en
  • US2037503A - Machine for coating metal plates with metals or alloys : en
  • CH183510A - Saw jig for full frame saws. : de en
  • NL37807C - : en
  • US2037559A - Drying apparatus : en
  • ES4021Y - League. : en es
  • CA357142A - Adjustable bracket : en fr
  • DE628748C - Flush-mounted box made of molded insulating material with arch-shaped recesses provided on its outer wall : de en
  • FR796903A - Material for sliding bearings, composed of a light metal alloy : en fr
  • FR796886A - Improvements to cinematography in natural colors with sound : en fr
  • US2037423A - Rubber latex composition : en
  • DE628875C - Device for uniform loading of conveyor wagons with bulk goods : de en
  • US2037414A - Thread separator for spinning machines : en
  • CA357121A - Duplicate book : en fr
  • US2037544A - Circuit breaker contact : en
  • US2037305A - Transmission mechanism for motor vehicles : en
  • CA357215A - Hinge : en fr
  • CA357141A - Hair pin : en fr
  • US2037084A - Leak clamp for pipe joints : en
  • CA357128A - Steel beam or spring : en fr
  • FR796763A - Method and device for the manufacture of a knitted article and products obtained : en fr
  • CH183446A - Process for the production of liquefied sulfur dioxide. : de en
  • USD99289S - Design for an ornamental plate for : en
  • US2037475A - Package size indicator for winding machines : en
  • US2037640A - Pneumatic tire : en
  • US2037120A - Socket for plug fuses : en
  • US2037124A - Dual cam intermittent movement : en
  • CH183577A - Device on motor vehicle wheels for increasing the adhesiveness of the latter. : de en
  • DE628725C - Process for the production of Kuepen dyes : de en
  • DE628859C - Protective device on building hatches : de en
  • US2037453A - Film gate : en
  • US2037682A - Fastening installation and fastener therefor : en
  • DE628757C - Kuepen dye pastes for stuff printing : de en
  • DE628893C - Method of operating engines using butane or other heavy hydrocarbons and engine equipment : de en
  • US2037275A - Saddle tree : en
  • US2037200A - Bag sealing method and apparatus : en
  • CH183424A - Cleaning rags. : de en
  • US2037056A - Process of producing acetylene gas : en
  • FR796911A - Mechanical operating device : en fr
  • GB445491A - Improvements relating to windows, ventilators and the like : en
  • US2037285A - Electrical network : en
  • US2037509A - Razor stropper : en
  • DE628694C - Painting lock with several setting discs : de en
  • GB445762A - An improved excess electricity consumption meter : en
  • CH183422A - Use for cupboards, tables and other furniture, namely filing cabinets. : de en
  • GB445772A - Improvements in and relating to electric motor control systems : en
  • US2037498A - Variable radio frequency selectivity control : en
  • ES4059Y - Flower or distinctive that, placed inside a loose cardboard tube or forming part of a pistol-shaped device, is thrown by a blow, elastic spring or crossbow at a person, attaching to their clothing or hair by means of a chumbito or flexa with multiple bent tips. : en es
  • FR796749A - Disc for friction clutch : en fr
  • GB445780A - Improvements in or relating to folding tables : en
  • US2037298A - Hydraulic jack : en
  • GB445687A - Improvements in or relating to optical viewing instruments : en
  • CA357219A - Yieldable mounting : en fr
  • CH183480A - Process for making copies of reflex copies. : de en
  • IE13992L - Bags : en
  • FR796774A - Electromagnetic automatic circuit breaker : en fr
  • DE628835C - Device for controlling valve-controlled motors for direct or alternating current : de en
  • US2037334A - Fastener applying implement : en
  • FR796789A - Process for preparing heptacarbocyanines and their application as photographic sensitizers : en fr
  • FR796876A - Rotary propulsion unit for all fluids applicable in particular to air and water : en fr
  • FR796995A - Improvements to television sets : en fr
  • USRE19931E - Airplane shock absorber : en
  • IE13893L - Treatment of cakes of artificial thread : en
  • DE628888C - Recovery wheel with horizontal axis : de en
  • US2037577A - Television method and apparatus : en
  • US2037595A - Process for the production of crystals of salts : en
  • NL37803C - : en
  • USD99303S - Design fob an article fob : en
  • GB445536A - A process of and means for the conversion of unmatured spirits into brandy or whisky : en
  • GB445729A - Wheels for pneumatic tyres : en
  • US2037311A - Vending machine cabinet : en
  • US2037555A - Dispensing mechanism : en
  • FR796741A - Method and apparatus for the production of tubes for transporting liquids : en fr
  • FR796896A - Removable skis for road vehicles : en fr
  • GB445746A - Improvements in weighing apparatus : en
  • CA357145A - Stove : en fr
  • CH183526A - Automatic shutter for water pipes. : en fr
  • US2037216A - Sleeping cover : en
  • DE628819C - Advertising machine with swiveling, exchangeable signs : de en
  • US2037188A - Resilient car wheel : en
  • US2037416A - Projector : en
  • FR796804A - Improvements to sound reproduction systems : en fr
  • GB445758A - Improvements relating to seats : en
  • GB445936A - Improvements in or relating to arrangements for mounting the components of wireless receiving apparatus : en
  • US2037312A - Musical instrument : en
  • US2037229A - Production of sulphonic acids : en
  • US2037332A - Water softener : en
  • GB445709A - Improvements in the separation of dust from coal : en
  • ES3455Y - Stackable chairs. : en es
  • GB445732A - Amusement apparatus : en
  • CH183489A - Sighting device for dropping objects from aircraft in a dive. : de en
  • US2037581A - Ophthalmic device : en
  • CA11080S - Jar : en
  • US2037356A - Multiplying gear : en
  • GB445584A - Improvements in and relating to metal windows and stays therefor : en
  • USD99294S - Design for a tube ob similar : en
  • US2037096A - Piston ring compressor : en
  • DE628717C - Steam system to compensate for fluctuations : de en
  • DE628863C - Circular knife scissors for trimming curved metal sheets : de en
  • ES4067Y - Cap to prevent the filling of bottles, drums and similar containers. : en es
  • FR796842A - New chain derailleur for changing cycle speeds : en fr
  • US2037604A - Electrical metal gathering machine : en
  • US2037132A - Holster : en
  • FR796718A - Image transmission methods and device : en fr
  • FR796861A - Improvements to explosive cartridges or drilling charges : en fr
  • US2037478A - Thermochemical process for the production of an antidetonating fuel for explosion engines : en
  • US2037202A - Variable vacuum tube resistor : en
  • US2037094A - Telephone booth : en
  • CH183439A - Anti-skid fitting element for sports shoes, in particular for athletics shoes. : de en
  • US2037027A - Lighter : en
  • US2037490A - Rotary heat exchanger : en
  • CA357160A - Material heating process : en fr
  • DE628812C - Boilers for burning slag-forming, fine-grain fuels : de en
  • US2037101A - Flash lamp : en
  • US2037005A - Flaked sulphur dyes : en
  • USD99319S - Design for a cycle saddle seat : en
  • GB445600A - Improvements in and relating to the manufacture of packets of cigarette papers : en
  • US2036993A - Hitch : en
  • US2037593A - Blow-out preventer : en
  • US2037613A - Securement of heels to shoes : en
  • FR796730A - Improvements to terminals for high frequency electrical devices : en fr
  • CA357205A - Pure mercaptan production : en fr
  • CA357226A - Anti-skid device : en fr
  • CH183499A - Calculating machine with rotating number wheels, preferably under punch card control. : de en
  • FR796790A - Phase circuit breaker relay : en fr
  • FR796823A - Apparent solidification process, temporary or permanent, of certain liquids and in particular of hydrocarbons : en fr
  • CA357126A - Vibrating apparatus for ramming concrete : en fr
  • US2037584A - Automatic fire alarm fuse-bulb : en
  • US2037243A - Paper machinery : en
  • US2037394A - Lady's handbag or pocketbook : en
  • US2037567A - Electron discharge device control system : en
  • DE628930C - Process for the production of a wheel by assembling a pressed spoke star and a rim : de en
  • US2037487A - Window channel : en
  • FR796977A - Improvements to gas protection devices : en fr
  • GB445626A - An improved distance thermometer : en
  • GB445677A - Improvements in or relating to pressure cooker : en
  • CA357235A - Implement shank : en fr
  • CH183596A - Process for the preparation of an azo dye. : de en
  • FR796990A - Improvements to pump tips : en fr
  • AU102317B2 - Improvements in or relating to electric discharge tubes : en
  • CH183460A - A method of manufacturing a waxing product. : en fr
  • DE628811C - Process for the desulphurization of gases : de en
  • US2037602A - Motion picture projector attachment : en
  • CA357123A - Locomotive boiler : en fr
  • US2037078A - Separator box : en
  • DE628727C - Yarn guide drive device for flat weft knitting machines : de en
  • DE628932C - Machine for screwing heels onto shoes : de en
  • GB445525A - Improvements in or relating to delivery mechanism for use with newspaper printing machines or the like : en
  • GB445639A - Improvements in the manufacture of a mixture of coal gas and water-gas : en
  • US2037153A - Transmission : en
  • DE613973C - Circlip for fastening bolts in suspension insulators made of several co-rotating wire screws screwed into one another : de en
  • CH183484A - Device for extracting liquid from a container, in divided quantities. : en fr
  • DE628743C - Resilient iron pit die made of open rolled sections : de en
  • DE628879C - Paper web guide : de en
  • DE628688C - Automatic embroidery transmission : de en
  • DE628778C - Apparatus for stopping : de en
  • CH183405A - Device for atomizing liquids with simultaneous electrostatic charging of the liquid particles. : de en
  • DE628761C - Pressure roller bearing for two-drum stencil printer : de en
  • CA357125A - Weather-proofing device : en fr
  • CH183483A - Fountain pens for graphite leads, in particular for drawing purposes. : de en
  • CH183593A - Process for the preparation of an azo dye. : de en
  • DE628866C - Method and device for the detachable connection of layers of paper or the like. : de en
  • CH183585A - Method of making yogurt. : de en
  • GB445721A - A process for the production of fibrous material from animal skins : en
  • DE628623C - Device for loading systems with mixed grained material : de en
  • FR796843A - Thruster refinements : en fr
  • FR796846A - High fidelity system with variable selectivity for t receiving devices. s. f. : en fr
  • FR796956A - Process for the recovery of copper in the manufacture of copper silk : en fr
  • GB445571A - Delustring of lustrous textile materials and articles made therefrom : en
  • DE628790C - Circuit arrangement for telephone systems with dialer operation and several traffic directions, especially for private branch exchanges : de en
  • DE628827C - Device for generating a rectified electrostatic field for treating the surface of textiles u. like : de en
  • FR796716A - screen for cathode ray devices : en fr
  • FR796994A - Bain-marie dish : en fr
  • DE628772C - Device for the evaluation of indicator diagrams which are recorded in polar coordinates : de en
  • DE628927C - Hydraulic braking device for motor vehicles : de en
  • FR796729A - Improvements to steel parts and their manufacturing process : en fr
  • DE628701C - Boiler system with mixed and surface evaporation : de en
  • FR796712A - Pipe assembly device : en fr
  • FR796936A - Improvements to electric heaters or radiators : en fr
  • FR796733A - Improvements to transmitting devices for television : en fr
  • GB445561A - Improvements in and relating to the casting of metals : en
  • CA357211A - Projection lens system : en fr
  • US2037383A - Remote-control device : en
  • US2037495A - Foot massaging device : en
  • USD99286S - Design for a headlight : en
  • DE628722C - Outdoor high-voltage capacitor for high-frequency communication, consisting of a bottle-shaped porcelain hollow body in the manner of the usual bulbous bushing insulators : de en
  • DE628913C - De-stoning tools on de-stoning machines with swivel-mounted, controlled grippers : de en
  • GB445589A - Improvements in or relating to apparatus for regulating the tension of rotary springs on power vehicles : en
  • GB445617A - Improvements in or relating to cans, canisters, and like containers : en
  • DK51531C - Electrical Image Transfer Method and Apparatus. : da en
  • FR796767A - Light sensitive material for the production of swelling reliefs : en fr
  • US2037052A - Doll : en
  • US2037230A - Shoe : en
  • CA357207A - Steam generator : en fr
  • US2037560A - Wall sheathing : en
  • GB445869A - Improvements in or relating to steam generators : en
  • DE628840C - Hand press for embossing edge strips in photos : de en
  • FR796833A - Safety primer, in particular for the initiation of explosives of the deflagrating and non-detonating type : en fr
  • FR796951A - Economical laundry washer : en fr
  • FR796742A - Derailleur for cycles : en fr
  • GB445603A - Improvements in or relating to sheet metal buckets, drums or like containers : en
  • US2037051A - Valve timing compensator for internal combustion engines : en
  • US2037233A - Cotton rolling machine and method of making cotton absorbent rolls : en
  • US2037318A - Process and apparatus for treating mineral oils : en
  • US2037102A - Muffler : en
  • US2037194A - Thermometer : en
  • US2037140A - Compressor unloader : en
  • US2037606A - Electric motor : en
  • US2037648A - Vacuum sweeper : en
  • US2037234A - Hand bag : en
  • FR796747A - Method and device for manufacturing hollow bricks closed on five sides : en fr
  • FR796705A - Improvements to the construction of metal folding seats : en fr
  • GB445775A - Improvements in or relating to the dispersion of fog or other particles suspended in air, with or without other gases mixed therewith : en
  • FR796864A - Improvements to sizing processes based on aqueous emulsions of drying oils : en fr
  • DE628903C - Circular knitting machine with pattern pusher : de en
  • GB445707A - Improvements in or relating to miniature upright pianos : en
  • FR796746A - Improvements to devices for heating fluids by electricity, in particular to electric water heaters : en fr
  • FR796800A - Air conductor : en fr
  • FR796968A - Metering filler for all liquids : en fr
  • GB445538A - Manufacture of 2-methyl-ª‰ª‰-naphththiazole and substitution products thereof : en
  • GB445763A - Improvements in arrangements for eliminating disturbances in radio receiving sets : en
  • US2037553A - Portable lemon slice squeezer for table use : en
  • US2037007A - Concrete construction : en
  • US2037353A - Web control for printing presses : en
  • DE628838C - Rubber springs : de en
  • DE628921C - Switching device for gear change transmission, especially for motor vehicles : de en
  • FR796953A - Pouring and pouring cap : en fr
  • USD99322S - Design for a piano : en
  • USPP174P - : en
  • CA357115A - Elastic plug : en fr
  • CH183529A - Central lubrication device with vertical cam disk shaft. : de en
  • CH183474A - Spring space for line typesetting and printing machines. : de en
  • DE628877C - Connecting links for shaft and jacquard cards : de en
  • USD99291S - Design fok a casing for air : en
  • US2037373A - Hydraulic locomotive : en
  • CH183551A - Electromagnetic overcurrent switch. : de en
  • FR796982A - Inhaler : en fr
  • GB445483A - Improvements in steam generators for cloth pressing and steaming devices : en
  • US2037525A - Washing appliance adapted to the blower portions of a vacuum cleaner device : en
  • US2037661A - Green corn husking machine : en
  • US2037669A - Bituminous dispersions : en
  • US2037050A - Process for making oxygen containing products from hydrocarbons : en
  • US2037081A - Grain washer and drier : en
  • DE628762C - Rail joint connection by means of a one-piece, bow-like foot strap : de en
  • US2037072A - Railway car door : en
  • US2037179A - Pilot control reducing valve : en
  • USRE19923E - Balloon tire jack : en
  • US2037207A - Combined liquid dropper and discharging device : en
  • US2037649A - Clamping screw : en
  • CH183488A - Water carousel. : de en
  • DE628824C - Device for filling receptacles : de en
  • DE628755C - Device for the continuous unwinding of the wire from a plurality of wire bundles : de en
  • US2037291A - Laundry cart : en
  • US2036995A - Collapsing basket for fruit or other fragile articles : en
  • NL38018C - : en
  • USD99290S - Design for a trailer tank : en
  • US2037506A - Wire rope and machine for and method of making : en
  • DE628923C - Adjustment device for the radially movable gripper on drive wheels for motor vehicles : de en
  • CH183521A - Link for belts, chains or the like. : de en
  • USRE19929E - Method of heat insulating : en
  • US2036997A - Process for stabilizing chlorinated rubber : en
  • US2037345A - Mileage counter for the hubs of vehicle wheels : en
  • USD99301S - Design for a bicycle handle bar : en
  • CA357140A - Signal switch : en fr
  • CH183410A - Window lock for three-sash and multi-sash pivot windows. : de en
  • DE628926C - Locking device for movable vehicle parts, especially for motor vehicle seats : de en
  • FR796731A - Portable toiletry bag combined with handbag : en fr
  • GB445867A - Improvements in moving-diaphragm control devices : en
  • FR796874A - Improvements to clocks and electric clocks : en fr
  • DE628718C - Process for producing telephone groups : de en
  • US2037683A - Cap : en
  • US2037631A - Method of wrapping an article : en
  • USD99273S - Design for a knitting needle : en
  • CH183570A - Natural sponge pack. : de en
  • DE628702C - Die setting and line casting machine with a device for filling or centering short lines : de en
  • CA357134A - Oil package : en fr
  • AU102145B2 - A rubber bag for protecting foodstuffs : en
  • CA357191A - Anti-anemic substance and process : en fr
  • GB445633A - An improved block for use in the construction of kerbs : en
  • CH183537A - Radio protection cap, in particular for spark plugs. : de en
  • GB445686A - Improvements in means for end tipping the deck or top platform of lorries and such like : en
  • FR796701A - Absorption refrigeration machine whose operating cycle is automatically controlled by gravity : en fr
  • FR796855A - Improvements to high pressure seals : en fr
  • GB445744A - Improved manufacture of container caps for bottles, jars and other receptacles : en
  • CH183540A - Refrigerator isolation. : de en
  • CA357202A - Refrigeration apparatus : en fr
  • CH183454A - Process for the preparation of an azo dye. : de en
  • US2036998A - Suction tonshllectome : en
  • CH183477A - Photographer apparatus. : de en
  • US2037451A - Disk clutch : en
  • US2037406A - Rigging for saddles : en
  • AU2226635A - An improved wire binding machine : en
  • US2037129A - Electric gas gun : en
  • US2037241A - Arrangement of the reaction chamber for the treatment of material : en
  • US2037404A - Door stop : en
  • CH183468A - Writing paper. : de en
  • NL38064C - : en
  • US2037449A - Collar holder : en
  • US2037158A - Apparatus for production of inert co2 containing gas : en
  • CH183441A - Method and machine for mechanically pressing a plastic mass into the recesses of a forming roller and for emptying these recesses. : de en
  • US2037578A - Bedside toilet chair : en
  • US2037465A - Building block : en
  • DE628914C - Inclined bean slicer : de en
  • ES3843Y - Device for the display of all kinds of articles or objects. : en es
  • FR796788A - Improvements to devices such as nozzles, in particular for gasifiers : en fr
  • CH183582A - Centrifugal governor for controlling the braking device of fast moving vehicles. : de en
  • CA357182A - Hydrocarbon oil processing : en fr
  • CA357144A - Seasickness preventing device : en fr
  • DE628770C - Process for the production of toy balls, in particular golf balls : de en
  • CA357228A - Folding container : en fr
  • NL37895C - : en
  • US2037657A - Spray material : en
  • CA357229A - Traction line for ski-runners : en fr
  • US2037014A - Optical system : en
  • US2037468A - Apparatus for the purification of carbon bisulphide : en
  • US2037519A - Liquid congealing apparatus : en
  • US2037029A - Process of producing a food product : en
  • US2037266A - Potato grading and cleaning apparatus : en
  • NL37942C - : en
  • DE609797C - Method and device for the production of a fabric with a high weft density : de en
  • CH183481A - Process for producing castable texts or drawings on finished films. : de en
  • US2037438A - Window cleaning seat : en
  • US2037686A - Insulating and dielectric compositions : en
  • FR796702A - Non-slip for shoes and in particular for sports shoes : en fr
  • US2037675A - Collapsible paper can : en
  • GB445558A - Improvements in or relating to thermionic valve circuit arrangements : en
  • CH183530A - Winch. : en fr
  • US2037352A - Electronic vacuum tube : en
  • US2037618A - Motor driven casting machine : en
  • USRE19924E - Tourniquet : en
  • CH183545A - Spring-loaded contact pin. : de en
  • CA357176A - Dye : en fr
  • US2037306A - Method and apparatus for logging a well : en
  • US2037603A - Safety plate for gas burners : en
  • US2037058A - Motor vehicle : en
  • US2037262A - Transmission mechanism : en
  • US2037485A - Radio receiving system : en
  • USD99295S - Design for a trailer : en
  • DE628570C - Method and device for hardening glass : de en
  • CH183423A - Device ensuring the automatic placement of preservative covers on the seats of water closets. : en fr
  • US2037040A - Spot welding gun : en
  • US2037264A - Apparatus for treating material : en
  • CH183449A - Process for the preparation of esters of aromatic sulfodicarboxylic acids. : de en
  • GB445641A - Improvements in or relating to spraying bottles : en
  • FR796915A - Advanced trailer for vehicles traveling on roads : en fr
  • GB446172A - Improvements in or relating to photographic reversal processes : en
  • CH183409A - Process for the production of bituminous setting building material mixtures. : de en
  • CH183563A - Card punch machine for hole reproduction. : de en
  • US2037089A - Fabric engaging device : en
  • US2037148A - Electric gas lighter : en
  • US2037643A - Multiple drive transmission unit : en
  • CH183437A - Zip fastener and method and device for manufacturing the same. : de en
  • CH183583A - Metal boat. : de en
  • CA357223A - Fire extinguishing foam producing apparatus : en fr
  • US2037355A - Method of making a food product : en
  • US2037379A - Cracking of oil : en
  • US2037520A - Liquid congealing apparatus : en
  • GB445655A - Improvements in cans, drums and like containers for food or other substances : en
  • CH183419A - Armchair. : en fr
  • CH183509A - Process for interlocking files, milling tools or the like. : de en
  • CH183544A - Device for connecting shielded electrical lines to apparatus and machines. : de en
  • CA357156A - Tobacco pipe : en fr
  • US2037536A - Cover lock for rayon spinning buckets : en
  • US2037645A - Wide range mechanical atomizer : en
  • US2037307A - Rock drill : en
  • CA357227A - Train order device : en fr
  • CH183534A - Plungers for internal combustion engines. : de en
  • CH183420A - Spring mattress with double suspension. : de en
  • US2037548A - Pile fabric : en
  • CA357217A - Textile material : en fr
  • CA357188A - Garment : en fr
  • DE628793C - Chip-removing pen for sound recording : de en
  • AU2438735A - Improvements in or relating totin boxes intending tobe vacuumised or like containers : en
  • DE628830C - Steam power plant with high pressure piston engine and low pressure steam turbine : de en
  • DE628849C - Process for the preparation of aminoalkylsulphonic acids : de en
  • GB445486A - Improvements in or relating to holders for vacuum tubes : en
  • US2037020A - Tank truck : en
  • US2037151A - Multichambered reservoir : en
  • US2037421A - Treatment of strip material : en
  • CA357232A - Wringer mop : en fr
  • CA357216A - Filament manufacture : en fr
  • CH183562A - Substance protecting against war gases of the yperite type and process for the production thereof. : de en
  • US2037046A - Cartridge packing : en
  • US2037112A - Salts of tetrahydro-n-methyl nicotinic acid-methylester with aminosubstituted arsonic acids : en
  • ES3930Y - Piggy bank in the form of a telephone. : en es
  • ES140448A3 - A procedure for the preservation of food products, especially fruits, vegetables and other products of the land. : en es
  • USD99288S - Design for a vibrator or similar : en
  • USD99271S - Design fob a comb : en
  • US2037060A - Undergarment construction and method of making the same : en
  • US2037324A - Device for winding up electric flexible cords : en
  • US2037023A - Siphon breaker : en
  • US2037168A - Tube construction and circuit arrangement : en
  • GB445604A - Improvements in electric circuit arrangements for use in conjunction with electric discharge devices : en
  • GB445849A - Improvements in or relating to a method of and apparatus for refining magnesium : en
  • FR796752A - Improvements to rail joint constructions : en fr
  • GB445512A - Improvements in and relating to grinding or abrading tools : en
  • GB445868A - Improvements in bust supports or brassieres : en
  • CH183506A - Welding transformer. : de en
  • GB445691A - Improvements in or relating to cash registers : en
  • CH183496A - Method and device for recording the magnetization curve of iron. : de en
  • US2037293A - Pump packing : en
  • CA357178A - Cyanine dye : en fr
  • CH183461A - Method for cementing components made of metallic and ceramic materials. : de en
  • US2037036A - Can piercing device : en
  • US2037150A - Error indicator for open-wire circuits : en
  • US2037660A - Monogram frame : en
  • US2037278A - Beer meter : en
  • US2037687A - Moldable composition and process for making the same : en
  • DE628791C - Device for modulating alternating currents (carrier currents) by signal currents : de en
  • FR796781A - Forced circulation steam generator : en fr
  • GB445537A - Methods or process of producing protective gases for use in the heat-treatment of metals : en
  • CH183427A - Passing device. : de en
  • CH183588A - Process for the preparation of a new monoazo dye. : de en
  • US2037398A - Coating of surfaces and in the manufacture of coated or compound materials : en
  • US2037576A - Dispensing and display cabinet : en
  • US2037626A - Airplane : en
  • CH183500A - Calculator. : en fr
  • GB445934A - Improvements in and relating to studs for road-surface markings, traffic signs and the like : en
  • US2037599A - Process for reacting rubber with halogen and oxygen gases : en
  • USD99328S - Design for a wheel : en
  • US2037222A - Automatic dumping wheelbarrow : en
  • CA357170A - Circuit interrupter : en fr
  • GB445619A - Improvements relating to fluid pressure cylinders : en
  • CH183459A - Process for the preparation of an azo dye. : de en
  • US2037380A - Art of cracking hydrocarbons : en
  • US2037425A - Means for measuring fluid pressures : en
  • DE628889C - Clamping rail for files or the like to hold unperforated documents : de en
  • US2037164A - Air cleaner : en
  • FR796848A - Lighting device for gun aiming collimator : en fr
  • US2037299A - Cultivator : en
  • US2037260A - Stoker : en
  • DK51530C - Procedure for the production of writing, drawings, patterns and other depictions of aluminum and its alloys. : da en
  • GB445698A - Improvements in or relating to means for distributing the air supplied to furnace grates : en
  • US2037568A - Washing machine : en
  • FR796766A - City, swimming and lifesaving belt : en fr
  • GB445717A - Improvements in or relating to electric condensers : en
  • GB445565A - Mixed polyvinyl resins and method of making same : en
  • DE628795C - Method of removing beer stone : de en
  • FR796862A - Connection device for flexible cables : en fr
  • FR796879A - Sound damper device to promote the exhaust of internal combustion engines : en fr
  • GB445556A - Improvements in or relating to two-stroke internal combustion engines : en
  • CH183448A - Process for the preparation of organic fluorine compounds and apparatus for carrying out the process. : de en
  • US2037025A - Bilge barrel : en
  • CA357225A - Braking apparatus : en fr
  • CH183504A - Method and device for the production of hard bodies for tools and implements. : de en
  • FR796888A - Automotive battery circuit switch : en fr
  • FR796933A - Multiplier machine with decimal order selector : en fr
  • US2037035A - Television synchronization method and apparatus : en
  • US2037410A - Can opener : en
  • US2037499A - Fuel tank closing cap : en
  • US2037688A - Automatic drink vending machine : en
  • FR796713A - Device for the electrical control of the totalizing elements by the type bars of a tabulating machine : en fr
  • FR796798A - Process for producing plates for flat printing and offset printing on metal plates : en fr
  • FR796984A - Tubular airplanes improvements : en fr
  • CH183415A - Curtain board for pull and spinning curtains and curtains. : de en
  • DK51523C - Speaker. : da en
  • GB445680A - An improved method of adjusting the regulator lever of watches and clocks and the like : en
  • GB445776A - Method of calcining diatomaceous earth : en
  • USD99266S - Design for a head for electric : en
  • US2037646A - Foot measuring stick : en
  • FR796762A - Process for the manufacture of construction equipment : en fr
  • GB445602A - Improvements in pumps, such for example as scavenging pumps of internal combustion engines of the two-stroke cycle type : en
  • DE628916C - Device for quick chrome plating of knife blades : de en
  • FR796786A - Transmitter and receiver signaling device with perforation device : en fr
  • GB445646A - Convertible table : en
  • GB445774A - Improvements in the treatment of textile fabrics : en
  • FR796928A - Improvement in automatic telephone communication devices, in particular telephone devices operating with carrier waves on high current lines : en fr
  • US2037303A - Universal joint unit : en
  • US2037552A - Cable system : en
  • ES3848Y - Portable electric lamp with concealed switch. : en es
  • GB445749A - Index device : en
  • DE628724C - Process for the production of bromine-containing dyes : de en
  • DE628869C - Stabilizer for vehicles, especially aircraft : de en
  • US2037605A - Sorting machine for punched cards : en
  • DE628732C - Vibration converter for electromechanical sound recording or sound pickup : de en
  • ES3684Y - Electric accumulator batteries. : en es
  • FR796913A - Clip : en fr
  • US2037565A - Control system : en
  • GB445507A - Improved means for moving from the outside of a cathode ray tube, a body disposed within the envelope : en
  • US2037655A - Control apparatus for centrifugals : en
  • GB445738A - Improvements in and relating to electron discharge devices : en
  • DE628884C - Oven door with an extractor hood above the locking door : de en
  • US2037083A - Magneto mounting : en
  • US2037277A - Casket handle : en
  • US2037304A - Feed collet : en
  • US2037329A - Soap grater : en
  • USD99309S - Design for a door handle or : en
  • CA357172A - Ester of 2-ethylbutanol-1 : en fr
  • US2037489A - Handle for flowerpots and the like : en
  • US2037622A - Timing device : en
  • USD99260S - Design for a shoe : en
  • US2037224A - Adustable reamer for die stocks : en
  • FR796806A - Method and device for fitting zinc roof joint covers : en fr
  • GB445543A - Improvements in or relating to electrical high frequency oscillating circuit arrangements : en
  • GB446337A - Manufacture of condensation products containing nitrogen and sulphur : en
  • GB445542A - Rubber and its preparation for manufacture : en
  • US2037523A - Dry cleaning or washing apparatus : en
  • US2037493A - Heavy duty steam generator : en
  • CH183408A - Process for obtaining fireproof and heat-insulating parts based on asbestos. : en fr
  • US2037681A - Tool holder : en
  • DE628736C - Device for grinding dry substances, patsten, u. Like. Using quartz sand or similar fine-grain grinding bodies : de en
  • DK51529C - Device for Insoles for Footwear. : da en
  • FR796706A - Heating appliance : en fr
  • CA357138A - Dish-washer motor mounting : en fr
  • US2037326A - Leveling washer and thrust bearing cage : en
  • CH183520A - Radial plain bearings with centrifugal lubrication. : de en
  • CH183464A - Process for the separation and regeneration of solvents and precipitants in the production of structures from cellulose derivatives. : de en
  • GB445750A - Improvements in soluble ink fountain pen : en
  • GB445526A - Improvements in or relating to preserving jars : en
  • GB445552A - Foot guard : en
  • CH183568A - Parasol on curved display panes. : de en
  • DE628816C - Ball-moving quick connection for pipes and hoses : de en
  • FR796709A - Hair bleaches : en fr
  • FR796756A - Hydraulic brake : en fr