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  • DE691693C - Permanent magnet system, especially brake magnet system for electricity meters : de en
  • DE691973C - Letterpress form, which prints markings or characters in representations of the terrain, which are printed in an offset duplicating machine by means of a readable planographic printing form : de en
  • FR50424E - Method and devices for the reduction of evaporative losses in tanks of volatile products : en fr
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  • US2203169A - Tool for cleaning and dressing fish : en
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  • US2203537A - Nozzle adjusting construction : en
  • US2203573A - Glass article bottomer : en
  • USPP401P - Chrysanthemum : en
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  • US2203569A - Musical instrument : en
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  • DE691804C - Hydraulic engine governor : de en
  • GB521961A - Improvements in light-sensitive materials and processes of colour photography : en
  • CA389101A - Footwear ventilation : en fr
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  • US2203194A - Calculator : en
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  • FR856171A - Assembly to transform a frequency difference into a direct voltage : en fr
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  • USD120952S - Wrapping paper or similar article : en
  • US2202952A - Window sash fastener or holder : en
  • US2202935A - Cardiac recording apparatus : en
  • US2203581A - Shaving and clipping tool : en
  • US2203244A - Mirror sign : en
  • US2203580A - Door catch : en
  • AU110707B2 - Improvements in and relating to protective switches for controlling earth leakage and overload currents in electrical installations : en
  • DE691765C - pen spring shut-off closure member : de en
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  • AU110678B2 - Improvements in or relating to flashlights and attachments therefor : en
  • US2203657A - Curtain shutter : en
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  • FR50429E - New curvature flap system : en fr
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  • US2203068A - Method and apparatus for manufacturing barbed wire : en
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  • GB521900A - Improvements in the manufacture of vehicle and aircraft bodies : en
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  • DE691841C - : de en
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  • GB522068A - Improvements relating to means for preventing mats and the like from slipping on smooth or polished surfaces : en
  • FR50431E - Improvements to signal recording devices for railways : en fr
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  • AU110675B2 - Improvements in or relating to neutrally mounted gyroscopes having air jet erecting means : en
  • GB521905A - Cord or chain-operated electric switches : en
  • DE691696C - Device for keeping the zero position of an electromagnetic sound recording device constant : de en
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  • US2203594A - Radio instruction device : en
  • US2203228A - Process of knitting : en
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  • CA389170A - Cathode disintegrating method : en fr
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  • US2203408A - Ophthalmic mounting : en
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  • DE691824C - Device on a centrifugal fan for conveying gases mixed with solid components : de en
  • IE15911L - Finishing cellulosic textiles : en
  • US2202892A - Cereal grinding mill : en
  • US2203210A - Flexible cutting nozzle : en
  • DE691849C - r or the like : de en
  • US2203151A - Welding of lengths of strip metal : en
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  • GR9037B - CAR ELECTROMAGNETIC TORPILL. : el en
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  • DE691679C - Process for making low-smoke powder : de en
  • FR50415E - Device for controlling the focus of cinematographic and photographic cameras : en fr
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  • US2203205A - Method of bleaching pulp : en
  • DE691714C - Arrangement for television to carry out an interlacing process with a cathode ray tube as a display device : de en
  • US2203133A - Detachable spout for containers : en
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  • FR50405E - Improvements to oxygen inhalers : en fr
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  • FR50446E - Friction articulation device particularly applicable to track elements : en fr
  • FR856208A - Further development of four-stroke internal combustion engines : en fr
  • FR856218A - Improvements to the attachments of watch straps or the like : en fr
  • FR856183A - Eccentric drive for sewing machine stitch forming tools : en fr
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  • US2203051A - Heat detector : en
  • US2202883A - Apparatus for operating on coiled sheet material : en
  • DE691827C - Demolition, collapse and fusing machine : de en
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  • FR856214A - Seat cane : en fr
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  • US2203134A - Rolling rule : en
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  • CA389084A - Grinding machine : en fr
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  • US2203619A - Mounting for oscillating members : en
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  • US2203166A - Card index cabinet : en
  • US2203184A - Sash lock and holding device : en
  • US2203098A - Locomotive tender : en
  • US2203464A - Pump : en
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  • US2203483A - Cathode ray tube : en
  • DE691663C - : de en
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  • US2203043A - Radio receiver : en
  • US2203288A - Container for molten glass : en
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  • AU110662B2 - Mounting the components ofa direction finding system onan aircraft : en
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  • DE691767C - Fusible link detector : de en
  • DE691930C - Seamless small diaphragm, dynamically driven on the outer edge, of conical or dome shape for funnel loudspeakers : de en
  • FR856190A - Removable device to make vehicle wheels slip-resistant on ice and snow : en fr
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  • US2203065A - Sulling apparatus : en
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  • USD120881S - Lace trimming or similar article : en
  • US2202814A - Bracket for lamps and the like : en
  • US2203539A - Caster : en
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  • US2203173A - Felted fabric sheet : en
  • DE691953C - Seal for circumferential sight cylinder : de en
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  • DE691662C - Hammer mill or similar grinding machine : de en
  • DE691862C - Ventilation device for water fluids, especially when preparing yeast : de en
  • FR50438E - Improvements in the manufacture of cardboard boxes or similar material : en fr
  • DE691935C - of conveyor drives : de en
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  • DE691809C - Absorption modulation circuit : de en
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  • US2203504A - Manufacture of new urea derivatives : en
  • USD120966S - Design for. a dress : en
  • US2202874A - Heating element mounting construction : en
  • US2203319A - Tube welding apparatus : en
  • USD120886S - Design fob a medal : en
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  • GB522069A - Improvements in and relating to wearing apparel : en
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  • DE691722C - Arrangement for the automatic maintenance of the level in multiple carrier frequency systems with the help of control elements influenced by a control frequency (pipes, damping elements, etc.) : de en
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  • US2203478A - Data transmission and control system : en
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  • DE691963C - Drainage regulator for oil separators : de en
  • FR50416E - Device for changing the lighting in the event of an alert : en fr
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  • CA389171A - Valve for dual receptacles : en fr
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  • GB521982A - Improvements in or relating to the surface treatment of glass and other mineral fibres : en
  • US2203072A - Method of making rubber articles : en
  • US2203654A - Ventilating device for centrifuge casings : en
  • US2203376A - Blank for forming collapsible tubes : en
  • US2203284A - Metering plug : en
  • FR50412E - Adjustable length stick for skiers : en fr
  • FR856241A - Electric cables for high frequencies : en fr
  • DE691698C - Stamp machine with self-cashier : de en
  • GB521951A - A process for the manufacture of alloy steels by metallothermic reaction : en
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  • USD120852S - Design for a bird feeding rack : en
  • US2202985A - Pipe cutter : en
  • DE691886C - Changeover switch with zero position : de en
  • DE691774C - Device for conveying dusty or fine grain material in conveyor channels : de en
  • DE691908C - Balancing joint for the storage of mill irons during grinding : de en
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  • DE691892C - Arrangement for regulating the braking force of a three-phase slip-ring motor designed as a sliding armature motor : de en
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  • DE691723C - Device for breastfeeding coordination of recipients : de en
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  • GB522071A - Improvements in or relating to suspenders for cards and the like : en
  • US2203301A - Apparatus for depositing foam on liquid surfaces : en
  • US2203351A - Electrical switch : en
  • US2203140A - Method for seismic prospecting : en
  • US2203197A - Spring door hinge and check : en
  • US2203265A - Perforating gun for oil wells : en
  • DE691720C - Receiver with noise elimination : de en
  • FR50411E - Improvements to turbo-machines for compressing or moving fluids : en fr
  • FR856179A - Pressurized fluid brake : en fr
  • GB521930A - Flexible stand or support : en
  • GB522077A - Improvements in or relating to cellulose ether coating compositions : en
  • US2202852A - Valve : en
  • US2202983A - Suction cleaner : en
  • CA389090A - Stitch down shoe : en fr
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  • GB522048A - Improvements in or relating to electrical switchgear for starting electric motors : en
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  • USD120959S - Design fob a dress : en
  • DE691866C - Method for applying a protective cap made of scaling-resistant material to reversing ends on pipe runs of heat exchangers : de en
  • DE691903C - Process for producing a transparent, light protective layer on aluminum and aluminum alloys by chemical means : de en
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  • USD120880S - Design fob a dress : en
  • CA389110A - Aluminium article treating method : en fr
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  • US2202854A - Fastener tape : en
  • FR50430E - Combined gasifier and internal combustion engine for traction on roads, rails and other applications : en fr
  • FR856181A - Snap button : en fr
  • FR856185A - Improvements to electrostatic screens : en fr
  • AU110672B2 - Improvements in or relating to powerdrive devices and liquid dispensing apparatus employing such powerdrive devices : en
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  • US2202823A - Rectification system : en
  • US2202940A - Yieldable mount means : en
  • US2203057A - Pen release mechanism : en
  • US2203220A - Tufting attachment for sewing machines : en
  • US2203406A - Air conditioning apparatus : en
  • GB521843A - Slide, caster or the like for furniture : en
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  • US2202889A - Strip punching machine : en
  • US2202896A - Doll eye mounting : en
  • USD120933S - Design foe a coffee maker : en
  • CA389107A - Welding apparatus : en fr
  • GB522041A - Improvements in or relating to lifting devices : en
  • USD120941S - Design fob a bottle collar ob the like : en
  • GB522012A - : en
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  • FR856247A - Process for dyeing textiles, animal hair, hair or other materials of all kinds : en fr
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  • US2203062A - Apparatus for electroplating wire or the like : en
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  • FR50406E - Automatic level crossing road signs : en fr
  • DE691879C - modulated vibrations : de en
  • US2203493A - Treatment of cellulosic material : en
  • CA389128A - Modulated carrier wave radio receiver : en fr
  • AU110693B2 - An improved electrically operated indicator for recording totals : en
  • US2203302A - Concrete hardening composition of the metal salt type : en
  • AU110668B2 - Improvements in agitating apparatus of cheese vats : en
  • US2203407A - Radiator and air cleaner assembly : en
  • US2203519A - Periodic wave generator : en
  • US2203564A - Water gate for pneumatic tires : en
  • US2202862A - Partition structure : en
  • US2203023A - Refrigeration : en
  • GB521917A - Improvements in and relating to vitreous stems for electric lamps or discharge devices : en
  • DE691653C - Control device for gas machines : de en
  • GB522057A - Improvements in bonding of rubber to metal : en
  • US2203033A - Lettuce pack and method of packing lettuce : en
  • US2203145A - Game : en
  • US2203460A - Apparatus for measuring fluid pressure : en
  • CA389192A - Coffee aroma preservation : en fr
  • CA389117A - Luminescent sign : en fr
  • AU110671B2 - Improvement in dental equipment stands : en
  • DE691757C - Process for the manufacture of a respiratory protection half mask from sponge rubber : de en
  • DE691913C - Process for the electrolytic development of photographic metal salt layers : de en
  • DE691950C - Fluid-tight connection of metal sheets riveted together : de en
  • GR9039B - HOW TO MAKE A FARM TEETH OF FOUR TEETH. : el en
  • DE691835C - Noiseless thrust valve for hydraulic rams : de en
  • DE691926C - Toy drive : de en
  • DE664187C - Magnetic field tubes : de en
  • US2202956A - Building block : en
  • US2203352A - Method and apparatus for producing echo effects : en
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  • DE691829C - n line font : de en
  • CA389216A - Railway light-weight vehicle : en fr
  • USD120853S - Lady s handbag or similar article : en
  • US2202869A - Justifying means for typewriters and other machines : en
  • CA389092A - Tractor wheel lug : en fr
  • AU135039A - Process for applying coatings of nonferrous metals on cast iron : en
  • CA389112A - Sifter top container : en fr
  • DE691861C - Pit stamp : de en
  • GB521948A - Improvements in stripping processes for use in photo-engraving : en
  • US2202968A - Line clamp : en
  • US2203549A - Device for compressing materials of or into a more or less viscid condition : en
  • US2202975A - Welt shoe : en
  • US2202901A - Treatment of carbonaceous materials : en
  • CA389121A - Electric discharge device : en fr
  • AU312339A - Improvements in electric motor control systems : en
  • DE691876C - Circuit for the simultaneous limitation of large and the suppression of small amplitudes : de en
  • FR50408E - Amphibious motor vehicle : en fr
  • FR50418E - : fr
  • US2203218A - Hair curler : en
  • US2203309A - Electrical switching device : en
  • DE691735C - Procedure for shortening the restart time of el : de en
  • US2203221A - Electron discharge device : en
  • US2203473A - Fish lure : en
  • US2203559A - Automatic accelerator : en
  • US2202930A - Towel cabinet and dispensing mechanism therefor : en
  • US2203660A - Objective mount : en
  • US2203591A - Flexible refrigerating package production : en
  • DK57657C - Mass plate for lead accumulators. : da en
  • GB522052A - Device for changing the magnification of optical instruments : en
  • AU110703B2 - Improvements relating to colour photography, the projection of coloured pictures, and to colour cinematorgraphy : en
  • CA389218A - Hydraulic power transmitter : en fr
  • US2202955A - Gyroscope : en
  • US2202839A - Cigarette mouthpiece : en
  • US2203397A - Plate attaching device : en
  • DE691966C - catch basin : de en
  • US2203644A - Pocket seal press : en
  • FR856167A - Improvement in runners and umbrella nuts : en fr
  • GB522072A - Improvements in or relating to internal combustion engines using dust fuel : en
  • AU135639A - Improvements relating to colour photography, the projection of coloured pictures, and to colour cinematorgraphy : en
  • DE691684C - Conveyor device for thread sewing machines : de en
  • AU239439A - Improvements in golf clubs : en
  • DE691707C - Cover rail for letter folder : de en
  • AU228439A - An egg substitute and method of preparing same : en
  • AU389939A - Improvements in or relating to neutrally mounted gyroscopes having air jet erecting means : en
  • CA389097A - Shaft coupling : en fr
  • US2203172A - Window construction : en
  • DE691776C - Process for the regeneration of ammonia-free washing solutions : de en
  • DK57664C - Machine for making Containers of Paper, Cardboard or similar Materials. : da en
  • CA389134A - Bottle filling machine : en fr
  • FR856231A - Improvements to electrical devices used to indicate the level of a liquid : en fr
  • GB522005A - A new form of collapsible fabric pipe for the discharge of liquids from aircraft : en
  • US2202924A - Loom apparatus : en
  • US2203354A - Power transmission : en
  • GB521870A - Improvements in and relating to ironing machines : en
  • GB521926A - Improvements in separators for use in separating documents, cards or the like filed in vertical filing cabinets or the like : en
  • GB521955A - Improvements in the manufacture of pneumatic tyre covers and apparatus therefor : en
  • US2203130A - Beer energizer : en
  • FR856219A - Device for drying fabric samples after dyeing : en fr
  • GB521914A - Improvements in or relating to means for conveying rectangular articles, for example, labelled packages : en
  • DE691661C - Millstone : de en
  • GB522091A - Improvements in folding benches : en
  • DE691895C - Device for maintaining a predetermined load distribution on two or more grid-controlled discharge vessels working in parallel : de en
  • US2203440A - Process for the sulphonation of unsaturated organic substances : en
  • US2203584A - Warper beam : en
  • US2203611A - 22, 23-dibromostigmasterolacetate and a process of preparing it : en
  • USD120854S - Lady s shoulder handbag or similar article : en
  • US2202931A - Disk plow : en
  • CA389141A - Alkali metal reaction process : en fr
  • CA389217A - Railway shunting apparatus : en fr
  • USD120919S - Design for a combined radio and lamp : en
  • GB521863A - Improvements in and relating to soap : en
  • GB521970A - Improvements in and relating to methods of and apparatus for regulating electric resistance heating apparatus : en
  • GB522014A - Improvement in filters : en
  • US2203296A - Device for control and operation by fluid servo-motor : en
  • US2202856A - Boat anchor : en
  • US2202995A - Multiple oven heating and control system : en
  • US2203637A - Variable speed transmission : en
  • USRE21474E - Heating pad : en
  • GB521989A - A process for the production of stable, concentrated, aqueous solutions of theophylline and caffeine, suitable for injections : en
  • US2203175A - Piston expanding tool : en
  • US2203320A - Counter chair : en
  • USRE21479E - Machine for bending wood sheets : en
  • US2203379A - Adjustable valve gear for steam engines : en
  • FR856242A - mechanical excavator equipment for narrow trenches : en fr
  • US2203025A - Conversion of hydrocarbon oils : en
  • US2203070A - Ductor roller control for printing presses : en
  • DE691745C - Process for the production of irreversible emulsions by emulsifying chlorinated rubber solutions with water : de en
  • US2202960A - Valve assembly : en
  • GB521978A - Improvements in or relating to sliding windows : en
  • DE691744C - Encapsulated log winch with rope always running up and down on the same level : de en
  • US2203328A - Manufacturing selenium valve disks for rectifiers and photoelectric cells : en
  • US2203442A - Antenna circuit for radio receivers and the like : en
  • DE691668C - r brakes : de en
  • US2202870A - Creped article including metal foil : en
  • US2203088A - Suction nozzle : en
  • GB521884A - Improvements in or relating to the manufacture of cellulose esters : en
  • GB521895A - Improvements in or relating to a plant and process for the heat treatment or fermentation of granular or loose materials : en
  • GB522082A - Motor fuel for internal combustion engines : en
  • US2203437A - Apparatus for projecting cinematographic images carried on disks : en
  • US2203568A - Magnetic shuttle motion : en
  • US2203518A - Patty forming machine : en
  • US2203628A - Production of butane-polycarboxylic acids : en
  • DE691788C - Device for the uniform drive of tapes or the like, in particular of sound films : de en
  • DE691674C - Peephole for air raid shelter doors : de en
  • DE691832C - Lamella valve for air and gas pumps : de en
  • US2202972A - Container cover : en
  • US2203545A - Piezoelectric device : en
  • GB521997A - Improvements in or relating to calcium sulphate plasters and cements and products made therefrom : en
  • DE691656C - Shaft coupling : de en
  • USD120913S - Design fob a fluorescent lighting fixture : en
  • US2202900A - Indicating apparatus : en
  • US2202907A - Dauber : en
  • US2202949A - Gearshift mechanism : en
  • US2203391A - Car coupler : en
  • US2203370A - Power boiler : en
  • DE691921C - Zuendsatz : de en
  • FR856155A - Equipment for electric wave transmission systems : en fr
  • US2203317A - Locomotive smokestack : en
  • USD120939S - Design for a vehicle heater : en
  • USD120873S - Design foe a display box : en
  • GR9044B - METHOD OF MANUFACTURE OF RESIN CONCENTRATION PRODUCTS. : el en
  • DE691920C - Device for regulating turning traffic : de en
  • DE691947C - Device for illuminating objects to be depicted with incident light : de en
  • US2203500A - Door and window latch : en
  • US2203213A - Alloy : en
  • DE691852C - Device for moistening sheets in rotary mirror type duplicators : de en
  • US2203185A - Force cup : en
  • DE691665C - Control device for aircraft : de en
  • DE691960C - Process for cutting cylindrical rods or tubes made of charcoal : de en
  • US2202820A - Commutator : en
  • USD120921S - Design for a cigarette dispenser : en
  • US2203482A - Gaseous conduction lamp : en
  • AU318039A - Improvements in or relating to powerdrive devices and liquid dispensing apparatus employing such powerdrive devices : en
  • US2203101A - Reel for moving picture film : en
  • US2203232A - Means for protecting sheaths of electric cables, pipes, and other metal articles agaist corrosion : en
  • US2203273A - Milling machinery : en
  • DK57670C - Carton box with Lining. : da en
  • FR856230A - Cigarette and match dispenser device : en fr
  • FR856173A - Device for draft-free ventilation of motor vehicles : en fr
  • GR9043B - METHOD FOR THE PREPARATION OF OXIMONS. : el en
  • US2203629A - Tooth paste dispenser : en
  • US2203165A - Oil burner : en
  • US2203639A - Vacuum tube construction : en
  • GB522040A - Improvements in or relating to abrasive articles : en
  • US2203525A - Sealing means for shafts : en
  • GB521933A - Improvements in or relating to restoring and damping arrangements of speed governingapparatus : en
  • GB521991A - Mixing apparatus : en
  • GB521998A - Improvements in or relating to the manufacture of composite board material : en
  • DE691798C - Tropical-proof index signal : de en
  • DE691659C - Process for passivating the surface of bright, rustproof chrome steels : de en
  • DE691918C - A freewheeling brake hub that is combined with a motor built into the driven wheel of a bicycle and driven by it : de en
  • DE691975C - Device for automatic and continuous ironing : de en
  • GB522038A - Improvements in or relating to machines for moulding counters for boots or shoes : en
  • US2203271A - Container : en
  • US2203030A - Handle for drawers and the like : en
  • US2203040A - Means for purifying water : en
  • US2203110A - Thermostatically controlled valve : en
  • AU110661B2 - Improvements in golf clubs : en
  • US2203295A - Lecithin product and method of making the same : en
  • US2202851A - Explosive : en
  • US2203077A - Pumping structure : en
  • CA389148A - Wood processing : en fr
  • US2203350A - Electrical switch : en
  • US2202813A - Adjustable screw propeller : en
  • US2203248A - Means for assorting articles : en
  • US2203456A - Game : en
  • CA389094A - Vacuum cleaner dust bag : en fr
  • US2203534A - Humidity controller : en
  • CA389131A - Can drying apparatus : en fr
  • CA389208A - Coloration process for ribbons, foils and films : en fr
  • AU110660B2 - An egg substitute and method of preparing same : en
  • AU110702B2 - Process for applying coatings of nonferrous metals on cast iron : en
  • US2202991A - Polymethine dyes and method for preparation thereof : en
  • US2202996A - Method of forming open mesh bags : en
  • CA389204A - Double coating apparatus : en fr
  • US2202920A - Automobile heating structure : en
  • USD120875S - Combined advertising and vending device : en
  • DE691967C - Process for removing sizes and preparations from textile material, which consist entirely or partially of resinified oils or fats : de en
  • DE691702C - Safety device on a vessel cleaning machine : de en
  • US2203071A - De-icing windshield wiper : en
  • US2203645A - Process for the distillation of tar or pitch : en
  • US2203240A - Nested box : en
  • US2203373A - Method of deodorizing oils : en
  • DE691837C - elements in cantilever aircraft spring struts : de en
  • GB521889A - Improvements in machines for moulding plastic material by injection : en
  • DE691822C - Measuring rectifier with a magnetic switch oscillating between the exciter poles, the switching phase of which can be adjusted using a rotating field : de en
  • CA389191A - Cyclopentanopolyhydrophenanthrene derivative : en fr
  • AU110687B2 - Improvements in or relating to ultrahigh frequency electromagnetic wave transmission : en
  • DE691869C - Identification strip file : de en
  • US2202849A - Resins, gums, and balsams : en
  • US2202969A - Convertible light : en
  • AU250839A - Improvements in or relating to electric signal transmission systems : en
  • US2202944A - Seal : en
  • US2202890A - Pressure and vacuum forming papermaking machine : en
  • US2203181A - Web handling apparatus : en
  • USRE21480E - Radio receiver : en
  • US2203392A - Spring suspension : en
  • DE691756C - Device for the circulation of photographic baths, in particular developer fluids, on film processing machines : de en
  • FR50444E - Device ensuring the hermetic and rapid closure of the receptacles : en fr
  • US2203224A - Electric switch : en
  • US2203234A - Shoulder strap for accordions and other musical instruments : en
  • US2203245A - Motion display device : en
  • CA389157A - Tele-typewriter : en fr
  • CA389202A - Railway traffic controlling apparatus : en fr
  • GB522089A - Improvements in belt fasteners : en
  • USD120916S - Design for a vehicle heater : en
  • DE691952C - Milk heater : de en
  • FR856212A - Method for producing concordance marks on the stubs and films of photographic film-packs : en fr
  • US2203012A - Rotary-winged aircraft : en
  • GB521886A - Apparatus for measuring fluid pressures : en
  • DE691851C - Method of sealing cavities containing gases under high pressure, especially in the case of high pressure electrolytic water decomposers : de en
  • US2203233A - Valve operating mechanism : en
  • CA389100A - Shaft coupling : en fr
  • US2203299A - Fountain type soldering iron : en
  • US2202838A - Internal combustion engine piston : en
  • US2203420A - Warning signal : en
  • US2203486A - Supporting means for piezoelectric plates : en
  • FR50450E - Light bulb improvement of lamps and electronic tubes : en fr
  • GB521986A - Improvements in mechanisms for converting rotary movement into reciprocating movement : en
  • US2202871A - Radio tube and the like : en
  • US2203090A - Process for treating rubber and product obtained thereby : en
  • US2203608A - Feeding mechanism for grinding wheel truing apparatus : en
  • USD120891S - Design for a dress : en
  • US2203017A - Button fastener : en
  • USD120937S - Design for a vehicle heater : en
  • US2202919A - Process of polymerizing acetylene : en
  • US2203290A - Motor vehicle : en
  • GB522036A - Improvements in or relating to universal couplings : en
  • FR50427E - Positive drive differential : en fr
  • GB522088A - Improvements in or relating to pipe-wrapping machines : en
  • US2203553A - Oil burner : en
  • GB522067A - Improvements in or relating to screw conveyers, especially for feeding coal : en
  • GB522066A - Method for the production of urane compounds and product thereof : en
  • US2202903A - Fender shield : en
  • US2203148A - Pumping unit : en
  • GR9042B - FELT. : el en
  • US2202932A - Filtering apparatus : en
  • US2203287A - Rotary hopper and inclined chute : en
  • USD120860S - Design for a lubricator sight feed : en
  • DE691782C - Arrangement for the protection of power converter systems : de en
  • DE691875C - : de en
  • DE691759C - Electrically operated swing device on strollers : de en
  • GB522075A - Improvements in or relating to flexible couplings for transmitting rotary motion : en
  • GB522017A - Improvements in the production of staple fibre yarns and like products : en
  • US2203522A - Weather strip and mounting therefor : en
  • GB521893A - Improvements in and connected with sealing means for enclosed apparatus, such as electrical apparatus : en
  • IE15863L - Moulding rubber articles : en
  • CA389224A - Bottle capping machine head : en fr
  • DE691872C - Electrolytic water decomposer of concentric design : de en
  • GB521904A - Bi-visual fluoroscope : en
  • DE691669C - Control device for the pressure medium of a switching device for change gears, especially in motor vehicles : de en
  • FR50409E - vane pump : en fr
  • CA389158A - Selective film printer : en fr
  • AU110657B2 - Improvements in and relating to lawnmowers andthe like : en
  • DE691889C - Device for transmitting commands, signals or the like by means of pulses : de en
  • DE691969C - Device for holding strips of writing on index cards arranged next to one another in a staggered manner : de en
  • GB522047A - Improvements in and relating to temperature control devices : en
  • DE691704C - Resistor with center tap and quotient measuring instrument : de en
  • GB522019A - Improvements in means for imparting reciprocating movement to a rotating shaft : en
  • US2202848A - Acetylene generator : en
  • US2203623A - Aerial advertising streamer : en
  • FR856158A - Improvements to shard shelters : en fr
  • FR856172A - Improvements to automatic bandwidth regulators for t-receivers. s. f. : en fr
  • DE691815C - Wireless bearing receiving system : de en
  • US2203414A - Thermal alarm : en
  • US2203583A - Antishimmy device : en
  • US2203094A - Control system for photocomposing machines : en
  • US2203403A - Lock seam soldering attachment : en
  • AU110706B2 - Improvements in or relating to multiple machine tools : en
  • CA389206A - Oil burner : en fr
  • US2203369A - Miter box : en
  • CA389187A - Hydrocarbon oil refining process : en fr
  • GB522054A - Improvements in process for drying whey : en
  • GB522083A - Improvements in the production of cellulose xanthate : en
  • DE691941C - Centrifugal casting machine : de en
  • DE691951C - : de en
  • US2203078A - Compensable joint : en
  • AU235239A - Improvements in or relating to ultrahigh frequency electromagnetic wave transmission : en
  • US2203114A - Scaffold jack : en
  • AU110674B2 - Improvements in boiler or other fluid heater cleaners : en
  • CA389080A - Cribbing construction : en fr
  • CA389120A - Visible light producing device : en fr
  • CA389200A - Valve for feed water heaters : en fr
  • US2203485A - Voltage double circuit : en
  • CA389190A - Carbonyl compound purification : en fr
  • DE691676C - otors : de en
  • AU110691B2 - Metal coating solution : en
  • DE691766C - : de en
  • US2203318A - Process for preparation of meat products : en
  • US2203069A - Apparatus for eye treatment : en
  • US2202981A - Oil burner : en
  • CA389168A - Liquid atomizing device : en fr
  • US2203471A - Binding agent for foundry cores and method of manufacture thereof : en
  • DE691718C - Voting display device for recipients : de en
  • AU110684B2 - Improvements in or relating to electrical oscillation generators adapted to generate square or rectangular waves : en
  • DE691667C - the surface of an aircraft component provided through opening for a retractable landing gear : de en
  • DE634712C - Image projection device with two image projectors : de en
  • US2203535A - Humidity controller : en
  • CA389219A - Impact crusher : en fr
  • DE691946C - Large field eyepiece : de en
  • US2203285A - Regenerative coke oven : en
  • US2203138A - Sprinkler control system : en
  • CA389074A - Centrifugal pump : en fr
  • CA389154A - Television receiver : en fr
  • CA389166A - Accounting machine : en fr
  • US2202909A - Drag link body and method of making same : en
  • USD120958S - Design for a textile fabric : en
  • US2202946A - Air conditioning system : en
  • US2203100A - Art of bonding metal to insulation : en
  • US2203366A - Power boiler : en
  • USD120890S - Design for a stretchable braid : en
  • USD120902S - Double ended jar or similar article : en
  • US2203093A - Mechanical pencil : en
  • US2203112A - Flange oiler : en
  • US2203308A - Antiskid finger clip : en
  • US2203565A - Boat : en
  • US2203063A - Method of treating and coiling wire : en
  • US2203492A - Dyed cellulosic material : en
  • US2203613A - Motorized burner controller : en
  • USD120895S - Spoon or other article of flatware : en
  • US2203279A - X-ray apparatus : en
  • US2203470A - Cracking hydrocarbon mixtures : en
  • GB522029A - Improvements in or relating to flexible couplings for rotatable shafts : en
  • USRE21478E - Aircraft : en
  • US2203236A - Electric switch : en
  • US2202876A - Antioxidants : en
  • US2203164A - Seal : en
  • US2203298A - Machine tool : en
  • US2203258A - Distributing apparatus : en
  • US2203477A - Ventilating system for automobiles : en
  • FR856248A - Gas discharge tube link amplifier : en fr
  • USD120942S - Design for a brooch or similar article : en
  • GB521847A - Improvements in, and connected with, apparatus for extracting grit and dust from airand gases : en
  • GB522000A - Improvements in or relating to carrier current signalling systems : en
  • DE691758C - Airplane cockpit with glare screens : de en
  • DE691959C - Cigar matting machine : de en
  • US2203200A - Method of making briquetting rolls : en
  • US2203634A - Television system : en
  • GB522030A - Improvements in electric cable systems : en
  • GB522032A - Improvements in and relating to shafts of healds for looms : en
  • DE691786C - Electric tubular heater : de en
  • FR50447E - Improvements to electrical conductors : en fr
  • AU110699B2 - Improvements in or relating to metallic compounds : en
  • US2203267A - Oil treating plant : en
  • USD120905S - Combination disk record display and sales counter : en
  • FR50410E - : fr
  • DE691882C - Radio receiver or the like with projection scale : de en
  • US2203008A - Tool and tackle box : en
  • USD120884S - Design fob a lace trimming ok similar article : en
  • DE691800C - Blading for steam or gas turbines in particular with radial pressure : de en
  • DE691899C - internal combustion engines : de en
  • DE691740C - hlen arranged braking device, especially for theater, concert and cinema rooms : de en
  • USD120858S - Design for a holder for garbage cans : en
  • US2203345A - Gun turret : en
  • US2203598A - Form fitting metal spring seat : en
  • DE691820C - Electrical discharge vessel with at least one cathode and a strutless grid surrounding the cathode in a helical manner : de en
  • FR856195A - Sun blind in paper or other materials : en fr
  • DE691873C - Production of activated carbon pellets : de en
  • DE691901C - ship internal combustion engines : de en
  • DE691831C - content of flours : de en
  • DE691701C - Arrangement of the drive motor in a motor vehicle : de en
  • DE691752C - Diesel engine, in particular air-cooled two-stake axle arranged prechamber : de en
  • FR856220A - Installation intended for the manufacture of vibrated concrete construction elements such as slabs, tiles, bricks, segments, slabs and others : en fr
  • DE691789C - Device for the automatic swiveling back of an aircraft tail into its central position : de en
  • DE691742C - Stumbling block for hay lifts : de en
  • FR856227A - Manufacturing process of titanium pigments : en fr
  • DE691768C - Circuit arrangement for alarm systems : de en
  • GB522094A - Improvements in or relating to automatic or semi-automatic telephone systems : en
  • DE691747C - Oarlock with force measuring mechanism : de en
  • US2203266A - Bottle : en
  • US2203527A - Electric control system : en
  • US2203528A - Television scanning system : en
  • DE691867C - Bottle cap for stain remover or the like. : de en
  • GB522033A - Improvements in or relating to the manufacture of high-molecular ketenes : en
  • GB521867A - Improvements in or relating to the mixing concrete : en
  • FR856250A - Rubber flame retardant process : en fr
  • IT380776B - : it
  • DK57658C - Method for the manufacture of a casing-shaped metal part connected to an electrically conductive connecting element. : da en
  • US2203588A - Heater : en
  • US2203119A - Wall trim : en
  • US2203141A - Pasteurizing apparatus : en
  • US2203402A - Spectacle case : en
  • US2203561A - Manufacture of chenille yarn : en
  • US2203027A - Bending table : en
  • GB521875A - Improvements in or relating to boring tools : en
  • US2202962A - Coal mining machine : en
  • US2203515A - Container making machine : en
  • US2203251A - Machine for cleansing and treating : en
  • US2203316A - High frequency system : en
  • DE691787C - Process for cleaning zinc-containing cadmium dus with caustic soda : de en
  • FR856239A - Improvements in artillery equipment pointing devices : en fr
  • GB522024A - Improvements in or relating to constructions incorporating a scraper ring : en
  • GB521994A - Improvements in oil stones and similar sharpening implements : en
  • US2203530A - Abrading : en
  • US2203262A - Grinding apparatus : en
  • CA389106A - Toilet paper holder : en fr
  • GB521892A - Improvements in or relating to reciprocating scavenging pumps of two-stroke internalcombustion engines : en
  • US2203388A - Apparatus for deaerating sirup : en
  • US2203497A - Refrigeration : en
  • US2203307A - Furnace charger : en
  • FR50403E - Modulation process for t.s.f. : en fr
  • DE691738C - Process for the serial, as even as possible, cooling of light metal pistons produced by casting : de en
  • US2203227A - Anthraquinone vat dyestuffs : en
  • US2203060A - Sled : en
  • DE690473C - Method of unrolling skins : de en
  • US2203419A - Top roll saddle : en
  • FR856196A - Notebook or pad for multiple copies : en fr
  • FI18666A - Wood bending method and articles made according to this method : en fi
  • DK57672C - Procedure and Full Cap Centrifuge for Treatment of Centrifuges. : da en
  • DE691813C - Resonance curve : de en
  • US2202817A - Controllable lubricating system : en
  • FR50423E - Beaconing system usable in the event of hostilities : en fr
  • US2203418A - Swather bar : en
  • FR856174A - Lubrication device for double crown motors of star-mounted cylinders : en fr
  • GB521896A - Improvements relating to proof printing presses : en
  • DE691897C - Periodic switch for inverter : de en
  • FR856169A - Cable shells for firing against planes : en fr
  • US2203180A - Heating of bakers' and like ovens : en
  • USD120907S - Design fob a combined lamp and radio receiving set : en
  • US2203461A - Continuous sheet facsimile system : en
  • US2203627A - Fruit cutting machine : en
  • DE691844C - Toys in the form of a cannon, a machine gun or the like. : de en
  • US2203409A - Apparatus for and method of treating hat bodies : en
  • US2203621A - Spring clamp : en
  • FR856237A - Single-band telephone communication method : en fr
  • GB521855A - Improvements in and relating to the chilling of glass for tempering : en
  • US2203586A - Vertical retort setting for carbonization of coal and like materials : en
  • DE691728C - High-voltage fuse with two or more fuse wires that switch on automatically one after the other : de en
  • DE691936C - Arrangement to suppress the circular currents in a cross connection of two converters with mutually dependent control : de en
  • GB522008A - Improvements in and relating to the production of copper base alloys : en
  • GB522003A - Improvements in or relating to devices for the automatic control of change speed gears for motor vehicles : en
  • GB522064A - Screw propeller blade : en
  • US2203146A - Fastening device : en
  • US2203438A - Comb protector : en
  • US2203253A - Electroplating process : en
  • CA389071A - Fluid dispensing apparatus : en fr
  • US2203332A - Piezoelectric device : en
  • US2203641A - Stable emulsion : en
  • US2203042A - Valve mechanism for fluid pressure systems : en
  • US2203372A - Headrail assembly for venetian blinds : en
  • US2203459A - Nonskid and braking device for vehicles : en
  • GB521935A - Improvements in gentlemen's braces : en
  • CA389177A - Television apparatus : en fr
  • CA389201A - Corrugating machine : en fr
  • US2202948A - Calculating machine : en
  • FR856211A - Shaft drive mode for a tractor to which a mower is fitted : en fr
  • FR856164A - Improvements to adjustable fasteners : en fr
  • US2203341A - Latch : en
  • USD120893S - Design for a dress : en
  • US2203401A - Garment : en
  • US2203514A - Speedometer : en
  • US2203385A - Lehr feeder : en
  • US2203449A - Internal combustion engine : en
  • DE691859C - Device for fuel extraction by the aircraft engine from widely spaced containers in aircraft : de en
  • DK57662C - Fuel Injector for Combustion Machines. : da en
  • GB522025A - Improvements in draught-excluding means for doors and windows and the like : en
  • DE691971C - Process for the preparation of cyclic lactones : de en
  • US2203016A - Miniature artificial christmas tree : en
  • DE691939C - Device for the extraction of spinnable fibers from bast strips of hops and similar bast stems : de en
  • FR50425E - Thruster with zero reaction torque : en fr
  • FR50414E - Single rod centrally controlled clutch : en fr
  • AU110666B2 - Improved drag type fish casting reel : en
  • US2202824A - Knitting machine : en
  • US2203201A - Vehicle rocking apparatus : en
  • US2203255A - Apparatus for making bobbin core tubes : en
  • US2203283A - Foil condenser and method of producing same : en
  • US2203635A - Variable speed transmission : en
  • GB522043A - Improvements in reflectors for street and highway lighting : en
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  • CA389153A - Vacuum cleaner handle : en fr
  • CA389085A - Pile fabric : en fr
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  • US2203587A - Device for controlling vertically sliding windows : en
  • US2203196A - Polyazo dyestuffs and process of making same : en
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  • US2203121A - Preparation of diacetyldihydromorphinone : en
  • US2203501A - Adhesive : en
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  • CA389221A - Footwear sole : en fr
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  • US2203019A - Gauge : en
  • US2203081A - Asphaltic product and method of producing same : en
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  • US2203595A - Device for use in wells : en
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  • DE691739C - Clamping device on shortenable umbrella frames with telescopic roof poles : de en
  • US2203547A - Power actuated gauge for paper cutting machines and the like : en
  • CA389174A - Radio receiving system : en fr
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  • US2202882A - Conveyer : en
  • US2202959A - Method of the recovery of values from lignite liquor : en
  • USD120872S - Design for a flower bowl or similar article : en
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  • DE691833C - Belt drive for roller frames : de en
  • DE691896C - Device for generating neutrons : de en
  • CA389160A - Railway car finishing structure : en fr
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  • US2203563A - Sewing cabinet : en
  • CA389161A - Bread and bakery products : en fr
  • DK57655C - Procedure and Apparatus for Receiving Television Broadcasts. : da en
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  • US2202863A - Detachable tool handle : en
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  • CA389186A - Ester oil stabilization : en fr
  • DE691688C - Process for the production of an insulating intermediate layer for image cube electrodes of storing image capture tubes with cathode ray scanning : de en
  • DE691671C - Light monitoring device for motor vehicles : de en
  • DE691691C - Dielectric material made from a textile material consisting mainly of asbestos and treated in an acid solution : de en
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  • CA389111A - Moisture-proof fibre container manufacture : en fr
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  • US2203149A - Variable speed drive system : en
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  • GB521963A - Improvements in electrolytic condensers : en
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  • FR856206A - Improvements to cinematographic devices : en fr
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  • US2203250A - Device for applying treating material to leather : en
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  • CA389159A - Cream can : en fr
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  • US2203365A - Beer cooling device : en
  • USD120865S - Design fob a clock ok similar article : en
  • US2203168A - Printing mechanism : en
  • AU234539A - Improvements in electric accumulators : en
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  • US2202905A - Staple blank : en
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  • US2203529A - Striping machine : en
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  • AU442039A - Improvements in or relating to metallic compounds : en
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  • US2203176A - Time controlled subterranean camera : en
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  • US2203167A - Means for identifying and reproducing color harmony : en
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  • US2203484A - Amplifier linearized by negative feedback : en
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  • US2203059A - Body elevating mechanism for dumping wagons or the like : en
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  • US2203452A - Electronic discharge tube : en
  • US2203555A - Electric switch : en
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  • US2203206A - Resin from cashew nutshell oil and another phenol : en
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  • US2203638A - Vacuum cooking and cooling : en
  • SE99067C1 - : en
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  • US2202951A - Treatment of beef carcasses : en
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  • FR856233A - Rocket for various projectiles : en fr
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  • CA389077A - Textile processing : en fr
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  • CA389129A - Circuit interrupter : en fr
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  • CA389164A - Shock absorbing mechanism : en fr
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  • US2203390A - Anchor holder : en
  • US2203606A - Apparatus for coating metal strips : en
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  • US2203122A - Contact attachment for electrical connections : en
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  • CA389138A - Mercapto-aryl-thiazole : en fr
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  • US2203297A - Control mechanism : en
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  • US2203423A - Long draft apparatus : en
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  • DE691927C - Electric gas purifier : de en
  • FR50437E - Device for activating the alcoholic fermentation of fermentable liquids or for the sterilization of these liquids : en fr
  • FR50401E - Process for sensitizing photographic emulsions and resulting photographic emulsions : en fr
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  • CA389108A - Method of laying floors in mastic : en fr
  • USD120866S - Design for a vehicle heater : en
  • US2203269A - Method of and apparatus for making glass : en
  • US2203238A - Tool for splicing and tightening barbed wire : en
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  • US2203614A - Process for making magnesium silicate products : en
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  • FR856228A - Connection device for automatic teletype transmission systems : en fr
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  • DE691943C - Gas grate burner for water heater : de en
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  • US2203263A - Apparatus for and method of inducing pyrexia : en
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  • GB522034A - Improvements in or relating to dry electrolytic condensers : en
  • US2203424A - Top roll pressure mechanism : en
  • US2203458A - Bowling alley : en
  • US2203475A - Fountain pen filling device : en
  • USD120929S - Design for a spark plug tester : en
  • US2203326A - Electrical switching device : en
  • USD120962S - Design foe an embroidered trimming : en
  • US2202859A - Combined body and chassis underframe : en
  • US2203558A - Thermostat : en
  • DE691724C - cher : de en
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  • GB521876A - Apparatus for collecting and conveying sludge or solids in connection with the treatment of sewage : en
  • US2202937A - Thread guide : en
  • US2203579A - Ignition circuit : en
  • GB521995A - Improvements in or relating to badges, emblems or other insignia : en
  • GB522059A - Braking device for cycles : en
  • GB521851A - Improvements in and relating to electromagnetic devices for imparting movements to lamps : en
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  • US2203085A - Electrical oscillator for generation of high frequencies : en
  • US2203144A - Drying agent and process of making and using the same : en
  • US2203487A - Superheterodyne receiver : en
  • US2203632A - Receptacle holder : en
  • USD120878S - Linked chain or similar article : en
  • US2203007A - Cushion assembly : en
  • USD120879S - Merchandising display bracket : en
  • DK57659C - Electron Tube with Concentration Electrode and Acceleration Electrode. : da en
  • DK57666C - Freewheel brake hub, preferably with Retraction brake, connected to and driven by an Engine built into a bicycle's driving wheel. : da en
  • US2203264A - Door construction : en
  • US2203336A - Computing and listing machine : en
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  • DE691761C - Auxiliary device for a motor vehicle clutch : de en
  • DE691799C - Standing piston steam engine : de en
  • FR856188A - Process for the preparation of phenols : en fr
  • US2202963A - Laminated trim panel : en
  • CA389196A - Valve manifold : en fr
  • US2203022A - Operating position adjustment for harvesting machines : en
  • US2203604A - Kite string holder : en
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  • GB521988A - Improvements relating to the application of lock washers to threaded fasteners : en
  • US2203410A - Lamp : en
  • US2203585A - Timing relay : en
  • FR856178A - Process for cooling concrete : en fr
  • GB521872A - Improvements relating to thermionic valve circuits : en
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  • DE691733C - grounding condition : de en
  • FR50443E - Illuminated decorative objects : en fr
  • AU242239A - Metal coating solution : en
  • US2203137A - Apparatus for producing gas from carbon containing materials : en
  • USD120936S - Design for a vehicle heater : en
  • US2202988A - Picture projection screen : en
  • US2203064A - Method of and apparatus for treating and drawing wire : en
  • US2203050A - Hair curler : en
  • USD120896S - Design fob a bracelet : en
  • US2203538A - Baby dressing table : en
  • US2203321A - Switching device : en
  • US2203120A - Damper control : en
  • US2203076A - Infant's folding toilet seat : en
  • US2203466A - Steel for hawailan guitars : en
  • US2202925A - Controlling and illustrating band for phonographic disks : en
  • CA389126A - Knitted fabric manufacture : en fr
  • US2202999A - Suction cleaner : en
  • AU271439A - Improved drag type fish casting reel : en
  • CA389095A - Vehicle : en fr
  • US2203277A - Thermionic tube circuit : en
  • CA389078A - Yarn, foil and film manufacture : en fr
  • US2202845A - Denatured alcohol containing aldol : en
  • US2203503A - Air intake and filter : en
  • DE674511C - Pendulum clockwork : de en
  • DE691715C - Method for remote synchronization of television receivers : de en
  • CA389076A - Fire kindler : en fr
  • CA389087A - Recuperative heat exchanger : en fr
  • US2203055A - Fire alarm aerotube apparatus : en
  • US2203257A - Dry dyestuff preparation : en
  • USD120957S - Design for a textile fabric : en
  • DE691675C - Device for stopping stranding machines u. like : de en
  • DE691779C - Circuit arrangement for telecommunication, especially telephone systems with dialer operation : de en
  • US2202881A - Structural assembly : en
  • US2202864A - Quaternary ammonium salts : en
  • CA389183A - Gas range : en fr
  • CA389081A - Sulphite pulp production : en fr
  • CA389212A - Low substituted alkyl cellulose : en fr
  • US2203158A - Chisel for removing boiler tubes : en
  • US2203246A - Underreamer : en
  • US2203340A - Assist cord assembly : en
  • CA389142A - Acetylene solution : en fr
  • DE691689C - Circuit arrangement for telecommunication systems with dialer operation, in particular telephone systems : de en
  • US2202858A - Manure spreader : en
  • US2203339A - Abietyl sulphate and process for its manufacture : en
  • CA389124A - Equivalent capacitance network : en fr
  • CA389207A - Textile material processing : en fr
  • DE691408C - Clamping and sealing device : de en
  • CA389088A - Atomizing nozzle : en fr
  • DE691792C - Electroacoustic direction finder for airborne sound : de en
  • DE691666C - Aircraft ailerons : de en
  • US2203214A - Method of making alloys : en
  • US2203577A - Means for measuring and controlling fluid pressures : en
  • CA389182A - Pump unit : en fr
  • AU358239A - Improvements in automatic switches for use in telephone or like systems : en
  • US2203560A - Air conditioning method : en
  • CA389147A - Porous material impregnation process : en fr
  • US2203396A - Control surface lock : en
  • US2203429A - Shoe covering : en
  • US2203058A - Means for wrapping packages : en
  • US2203191A - Sound recording : en
  • US2203413A - Armrest : en
  • US2203003A - Buffing machine : en
  • USD120906S - Design for a brooch : en
  • DE691965C - Press head for lead cable presses : de en
  • US2202828A - Preparation of polyalkylene ether thioammeline ethers : en
  • US2202853A - Electric signaling, supervising, and recording system : en
  • US2202884A - Magnetic analysis : en
  • US2203156A - Combined container opener and liquid dispenser : en
  • US2203013A - Perforated record sensing device : en
  • US2202837A - Cot fastener : en
  • US2203021A - Mechanical shaving or hair clipping device : en
  • US2203108A - Refrigerator freight car : en
  • US2203324A - Production of dextrose : en
  • US2202865A - Dialkylaminobenzoates and process of making them : en
  • US2202965A - Telephone lock device : en
  • US2203174A - Vehicle window : en
  • US2202967A - Vibration damper : en
  • US2203371A - Venetian blind of guided type : en
  • CA389179A - Moving picture apparatus : en fr
  • CA389203A - Duplex electromagnetic separator device : en fr
  • FR856199A - Improvements relating to the improvement of hydrocarbon fuels : en fr
  • US2202917A - Depositing machine : en
  • US2203102A - Lubricant : en
  • US2203426A - Wringer : en
  • US2202914A - Method and apparatus for removing burrs : en
  • USD120950S - Artificial leather fabric or similar article : en
  • FR856162A - Sports toy : en fr
  • GB521887A - Improvements in variable pump flow control : en
  • GB521987A - Improvements relating to the application of lock washers to threaded fasteners : en
  • CA389083A - Right and left radio direction finder system : en fr
  • US2202825A - Prevention of motor-bearing corrosion : en
  • USD120930S - Design for a spark plug cleaner : en
  • US2203292A - Gearing : en
  • US2203357A - Pressure vessel connection : en
  • DE691795C - Method of cleaning springs : de en
  • DE691934C - Device for ensuring the timely contact movement of a mechanically moved contact converter fed from a high-voltage network : de en
  • FR856205A - Improvements in the manufacture of rubber swimming caps : en fr
  • DE691923C - Spin machine with endless belt : de en
  • DE691778C - Device for heat or material exchange between gases or vapors and liquids : de en
  • GB521947A - Improvements in or relating to the regulation of gas flow : en
  • US2203239A - Holder : en
  • US2203243A - Liquid pressure actuated regulator : en
  • DE691785C - Regulating transformer or regulating choke coil with iron core parts that move against one another and are constantly pressed against one another : de en
  • DK57656C - Coupling device at Telephone system. : da en
  • DK57663C - Method and apparatus for applying self-adhesive substances to the closing part of paper bags. : da en
  • US2203116A - Cash register : en
  • US2203039A - Shaft bearing : en
  • US2203435A - Cable layer : en
  • US2202993A - Carburetor float support : en
  • FR856244A - Spark plug heater for easy starting of internal combustion engines : en fr
  • FR856165A - Improvements to flexible cable controls by rotating handle for motorcycles and cycles : en fr
  • GB521903A - Improvements in and relating to dust excluders for the corners of rooms and the like : en
  • DE691915C - Centrifugal governor, in which the control element of the drive machine to be controlled, preferably an electric motor, is connected differentially via two friction clutches : de en
  • GB522007A - Improvements relating to overhead electrical equipment for trackless cars or like vehicles : en
  • GB521943A - Improvements in or relating to apparatus for dispensing powdered materials : en
  • GB521979A - Improvements in or relating to the manufacture of high pressure containers : en
  • US2203636A - Variable speed transmission : en
  • FR50449E - Process and machine for the manufacture of metal tubes : en fr
  • GB521902A - Improvements in or relating to asbestos cement pipes : en
  • GB522044A - Improvements in swivels or couplings for use with chains, cables and the like : en
  • AU110712B2 - Improved airconditioning apparatus : en
  • CA389210A - Variable speed transmission : en fr
  • GB521874A - Improvements in or relating to electrical condensers : en
  • US2203212A - Bleaching pulp : en
  • US2202992A - Photographic material : en
  • US2203624A - Double pressure compensating rail fastening : en
  • GB521890A - Improvements in or relating to gas pressure generating cartridges for the operation of mechanical devices, and to charges therefor : en
  • GB522016A - Improvements in or relating to methods of and machines for seam reducing : en
  • US2203313A - Dispensing container : en
  • GB522026A - Improvements in or relating to trays for filing cards and similar records : en
  • GB522045A - Improvements in and relating to electric inverting systems : en
  • US2202970A - Oil well pump : en
  • DE677759C - Process for the manufacture of paper vessels : de en
  • DE691877C - Ultra-short wave transmission arrangement : de en
  • DE691673C - Double-edged safety razor : de en
  • FR856200A - Glazing without mastic for roofs, walls, etc. : en fr
  • GB521983A - Improvements in tuning indicators in radio receiving sets : en
  • USD120923S - Design for a grille for stoves or the like : en
  • US2203395A - Gas cock : en
  • USD120953S - Wrapfinq paper or similar article : en
  • US2203095A - Spring system : en
  • US2203117A - Centrifugal clutch : en
  • US2203193A - Folding litter : en
  • US2203601A - Separating fragmentary materials : en
  • US2203084A - Fiberboard structure and method of making the same : en
  • GB521854A - Improvements in and relating to the chilling of glass for tempering : en
  • GB521888A - Production of coloured pictures : en
  • GB521954A - Improvements relating to liquid-fuel-injection internal combustion engines : en
  • GB522006A - Improvements in or relating to electrical signalling systems : en
  • USD120949S - Design for a dress : en
  • USD120940S - Design for a handbag : en
  • US2203001A - Suction cleaner : en
  • US2203374A - Process for the stabilization of metal organic compounds : en
  • FR856236A - High sensitivity percussion fuze : en fr
  • GB521966A - Improvements in or relating to automatic means for indicating the completion of the iron circuit of electro-magnetic apparatus : en
  • GB522074A - Improvements in adjustable fittings for shop furniture : en
  • FR856225A - Device for bringing a gas into contact with a liquid with mixing of the liquid : en fr
  • AU236939A - Improved airconditioning apparatus : en
  • FR50433E - : fr
  • GB521964A - Improvements in or relating to devices for coupling conduits to vacuum cleaners : en
  • FR50426E - Improvements to the attachments of the blades of aerial propellers : en fr
  • DE691727C - Small self switch : de en
  • FR856215A - Alphabet in marine letters : en fr
  • GB521927A - Improvements in and relating to the production of copper base alloys : en
  • GB522063A - A safety automatic stopping device for automobiles and the like vehicles : en
  • US2202911A - Pump : en
  • GB521971A - Improvements in and relating to method of and means for packing discs : en
  • US2203322A - Mechanical resonator, such as piezoelectric crystal devices : en
  • US2203380A - Power operated automotive gear shifter : en
  • US2202847A - Acetylene generator : en
  • CA389072A - Sectional flooring : en fr
  • US2203254A - Sweeper dust bag : en
  • US2203412A - Box strap holder and loader : en
  • US2203031A - Means for drawing in loose loops of thread in superposed layers of fabric : en
  • US2203097A - Hydraulic control mechanism : en
  • US2203294A - Nail for fastening sheeting : en
  • CA389136A - Metal body surface hardening apparatus : en fr
  • US2203198A - Lawn mower : en
  • US2203207A - Refrigerating apparatus : en
  • US2203445A - Balancer for ladders : en
  • US2203009A - Manufacture of nu-tertiary amino acyclic carboxylic acids and their salts : en
  • CA389140A - Alkali metal derivative : en fr
  • AU236439A - An improved race barrier : en
  • US2203457A - Stenciling apparatus : en
  • US2203383A - Washing device for photographs and the like : en
  • US2203633A - Waxed wrapping paper : en
  • US2203342A - Spring device : en
  • AU110698B2 - Improvements in automatic switches for use in telephone or like systems : en
  • AU240939A - Mounting the components ofa direction finding system onan aircraft : en
  • USD120938S - Design for a vehicle heater : en
  • DE691751C - Self-igniting, air-compressing internal combustion engine with a chamber arranged laterally in the cylinder head : de en
  • FR856184A - Improvements to turbo-electric controls for vehicles and vehicle control method : en fr
  • FR856213A - Food cylinder for spinning machines : en fr
  • GB521969A - Improvements in and relating to means for producing impulse voltages : en
  • GB522080A - Improvements in or relating to internal combustion engines using dust fuel : en
  • US2203035A - Tubular magazine firearm : en
  • US2203447A - Brick forming machine : en
  • CA389122A - Electric discharge lamp device : en fr
  • GB522090A - Improvements in or relating to means for protecting the journals of rolls : en
  • US2203124A - Inner tube for automobile tires : en
  • US2203252A - Fishing float : en
  • US2203494A - Cup holder and dispenser : en
  • FR856159A - Method and devices for obtaining, in sound films, glued cuts and fittings which do not give rise to any noise : en fr
  • US2202843A - Shredding machine : en
  • US2203229A - Means for aging liquids : en
  • US2203557A - Switching system : en
  • CA389211A - Spring plank for car trucks : en fr
  • FR856186A - Free heel milling machine : en fr
  • USD120951S - Carter wrapping paper or similar article : en
  • US2202894A - Piercing machine or the like : en
  • DE1486796U - : de en
  • US2202998A - Phase failure and overload protective system : en
  • US2203128A - Cutout figure or object : en
  • DE691773C - Lifting and tilting device for garbage cans, especially on garbage trucks : de en
  • GB521918A - Improvements in and relating to methods of sealing vitreous receptacles : en
  • CA389137A - Circle cutting apparatus : en fr
  • GB521853A - Apparatus for the reversal of pictures by an electrical process : en
  • IE16040L - Alloy treatment for permanent magnets : en
  • US2203335A - Incubator : en
  • FR856249A - Advanced automatic drinker : en fr
  • DE691717C - Device for automatic sharpening of a receiver : de en
  • GB521839A - Improvements in or relating to percussion fuzes for bombs : en
  • FR856168A - Apparatus collecting hay and putting it into mills : en fr
  • US2203247A - Shoe lasting : en
  • US2203334A - Electron discharge devcie : en
  • DK57665C - Suspended Vehicle Axle. : da en
  • GB521850A - Improvements in and relating to thermionic electrodes for electric discharge devices : en
  • GB521879A - Improvements in or relating to telephone systems : en
  • DE691771C - Reflector : de en
  • DE691848C - Piezoelectrically controlled time standard : de en
  • US2203111A - Toilet venting device : en
  • DE691948C - microscope : de en
  • DE691839C - Add-on calculator : de en
  • GB521913A - Improvements in or relating to gyroscopes : en
  • AU141139A - An improved electrically operated indicator for recording totals : en
  • US2202926A - Device for curing ingrowing toenails : en
  • US2203139A - Drilling hook : en
  • USD120862S - Combined shelf and support therefor : en
  • USD120915S - Design fob a water-faucet filter : en
  • US2203300A - Printing telegraph apparatus : en
  • US2203543A - Rubber heel mold : en
  • DE691709C - Device for treating water : de en
  • GB521958A - Improvements in or relating to the production of knitted fabrics : en
  • DE691823C - Multi-phase mechanical high voltage converter for high voltage : de en
  • GB522073A - Improvements in or relating to internal combustion engines using dust fuel : en
  • USD120868S - Dispensing device or similar article : en
  • US2202885A - Apparatus for geophysical exploration : en
  • GB521844A - Improvements in or relating to funnels for liquids : en
  • US2203310A - Hoisting mechanism for vehicles : en
  • US2203364A - Sealing means for high pressure heads : en
  • US2202897A - Coin-operated device : en
  • AU483139A - Bearings for crushers : en
  • GB521871A - Improvements in or relating to computing, calculating and like apparatus : en
  • GB521939A - Improvements in or relating to plant and mechanism for the manufacture of fertilizers : en
  • GB521899A - Improvements relating to fluid flow regulating cocks : en
  • US2203061A - Apparatus responsive to accelerations : en
  • US2202977A - Laminated trim panel : en
  • USD120947S - Design for a dress : en
  • US2203422A - Apparatus for drying : en
  • US2203570A - Air cleaning or filtering device : en
  • US2203092A - Shaft or tube press : en
  • US2203155A - Card holder : en
  • US2203631A - Condition controller : en
  • US2202888A - Sign and sign character : en
  • US2203177A - Power transmission : en
  • DE691731C - Monitoring device for electrical machines and apparatus : de en
  • DE691863C - Process for dewatering alcohol in the liquid state : de en
  • DE691843C - Vehicle toys with different speeds : de en
  • CA389193A - Railway car roof : en fr
  • US2203115A - Cash register : en
  • US2202958A - Writing machine : en
  • US2203476A - Bottle mouthpiece : en
  • DE691807C - Method for measuring the irregular distortion of rapid, periodic current surges : de en
  • US2203075A - Heat exchange apparatus : en
  • US2203398A - Combination couch and bed construction : en
  • US2203436A - Masticatory : en
  • US2203347A - Electro-optical method and apparatus : en
  • US2203104A - Tool holder and clamp : en
  • US2203384A - Percussion or repercussion apparatus : en
  • CA389145A - Semi-stiff collar : en fr
  • US2203187A - Heating apparatus : en
  • USD120948S - Design for a redingote : en
  • US2203600A - Automatic window closer : en
  • USD120883S - Lace trimming or similar article : en
  • US2203226A - Artificial denture : en
  • AU229639A - Improvements in or relating to electrical oscillation generators adapted to generate square or rectangular waves : en
  • FR856222A - Method and set of apparatus relating to the transmission of secret messages by optical telegraphy : en fr
  • GB521907A - Improvements in and relating to dry sealing envelopes and similar receptacles : en
  • US2202877A - Antioxidants and petroleum oils containing the same : en
  • US2203605A - Drier and overlapper : en
  • US2202878A - Drill press guard : en
  • DE691769C - Acoustic signal device : de en
  • DE691914C - Machine for the production of printing forms by photoelectric transmission of images : de en
  • DE691699C - Photoelectric light meter assembled with the viewfinder of a photo or cinema camera : de en
  • US2203433A - Mooring device : en
  • USD120882S - Lace trimming or similar article : en
  • US2203360A - Treatment of wood hydrolysate solutions : en
  • US2203651A - Color process and camera therefor : en
  • DE691654C - Carburetors for internal combustion engines : de en
  • DE691880C - Receiver with adjustable feedback and several wave ranges : de en
  • CA389213A - Cellulose glycollic acid : en fr
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  • US2203161A - Combined shade support and stop : en
  • US2203343A - Apparatus for producing molded pulp articles : en
  • US2202910A - Trimming machine : en
  • CA389109A - Aluminium base alloy processing : en fr
  • DE691664C - Copier : de en
  • DK57660C - Method of Manufacturing an Electric Discharge Pipe. : da en
  • US2202846A - Copolymers of polyallyl esters and polymerizable unsaturated compounds : en
  • US2203106A - Mop : en
  • US2203495A - Nodulated oil filter : en
  • US2202927A - Collapsible tube cap holder : en
  • AU232539A - Improvements in or relating to multiple machine tools : en
  • US2203323A - Laundry tray unit or the like : en
  • US2203506A - Nitrogen-containing organinc compound : en
  • US2202835A - Mercury boiler : en
  • US2202953A - Gas therapy apparatus : en
  • US2203079A - Conveyer transfer and seal means : en
  • US2203037A - Truss : en
  • US2203157A - Shoe : en
  • USD120967S - Design for a pin clip : en
  • GB521911A - Improvements in piston extrusion apparatus : en
  • US2202936A - Apparatus for treating granulated coffee : en
  • US2203276A - Flatiron : en
  • US2203625A - Knockdown box or crate : en
  • US2203208A - Piston sealing device : en
  • USD120864S - Design fob a clock ob similab abticle : en
  • US2202966A - Fruit tree reproduction : en
  • CA389079A - Shellfish cultivation apparatus : en fr
  • US2203467A - Arrangement for converting direct current into alternating current : en
  • CA389113A - Fire extinguishing system : en fr
  • US2203647A - Ornamental glassware : en
  • CA389133A - Electrodeposited metal treating method : en fr
  • US2203002A - Counting scale : en
  • US2203421A - Method of molding containers from plastic materials : en
  • FR856193A - Improvements to vehicles, especially amphibious vehicles : en fr
  • GB521934A - Improvements relating to wharve-driven flyer spindles : en
  • US2203517A - Radio receiver : en
  • US2203649A - Acid solution : en
  • GB522031A - Heat and sound insulating building element : en
  • CA389155A - Suction cleaner : en fr
  • GB521952A - Improvements relating to apparatus for indicating rate of consumption of energy : en
  • FR50417E - Barrier intended to ensure the safety of automobile traffic : en fr
  • GB521901A - Improvements in or relating to electrical contacts : en
  • FR50448E - Self-dosing cap : en fr
  • DE691801C - Geared turbine : de en
  • US2203067A - Mail-sacking accessory : en
  • US2203014A - Web roll controlling mechanism for printing machines : en
  • GB522055A - High-speed forging press : en
  • DE691711C - Sound absorbing stop for typewriters : de en
  • US2203183A - Game : en
  • USD120964S - Design for a textile fabric : en
  • CA389104A - Roasting grid : en fr
  • US2203498A - Frequency discriminating network : en
  • DE1487005U - : de en
  • US2202836A - Rate mechanism : en
  • US2203346A - Windshield wiper : en
  • US2203472A - Apparatus for regulating a condition : en
  • GB521849A - Improvements in the bacterial fermentation of carbohydrates : en
  • DE691828C - Suspension of sensitive measuring systems : de en
  • US2203132A - Viscosimeter : en
  • FR856201A - Suspender : en fr
  • GB521864A - Improvements in electric switches or cut-outs : en
  • GB521960A - An improved buoyancy device : en
  • US2202880A - Container closure : en
  • US2203548A - Protective arrangement : en
  • CA389096A - Shaft coupling : en fr
  • GB521920A - Improvements in or relating to the protection of direct current electric supply systems : en
  • DE691685C - Device for precipitating excess boiler steam when the power plant is suddenly shut down : de en
  • DE691906C - Process for the production of semi-finished products (e.g. sheet metal, strips, wires) made of composite metal with strip-shaped overlays made of precious metal : de en
  • US2203179A - Process for the manufacture of hematite cast iron : en
  • DE691925C - Pliers for pulling out nails : de en
  • DE691834C - Plansifter : de en
  • DE691956C - Orthopedic footwear or shoe insoles to support the sole of the foot : de en
  • US2203337A - Electrical connector : en
  • US2202922A - Electrically operable control mechanism : en
  • US2203592A - Gas scrubber : en
  • USD120914S - Design for an ash tray : en
  • US2203225A - Electron discharge device utilizing electron multiplication : en
  • US2203566A - Method for removing bones from fish : en
  • US2203047A - Rotary engine : en
  • US2203230A - Process for the manufacture of conserving ice : en
  • US2203261A - Pickup for sheet feeders : en
  • US2203125A - Roller blank and process of making rollers therefrom : en
  • DE691883C - guessed : de en
  • US2203463A - Suction cleaner : en
  • US2203029A - Dishwashing machine : en
  • USRE21473E - Receiving means : en
  • CA389114A - Brake arrangement : en fr
  • DE691652C - Button with a fabric-covered upper part designed as a press-stud matrix and a lower part with a counter disc that can be pressed into it : de en
  • DE691858C - Process for producing the explanatory texts for the images on finished cinematographic positive films : de en
  • US2203011A - Pipe cutter : en
  • GB521845A - Improvements relating to heat exchange apparatus : en
  • GB521842A - Improvements in securing joints between wood, metal and other solid materials : en
  • GB522039A - Improvements in or relating to autographic registers : en
  • CA389151A - Kiln : en fr
  • DE691961C - Vertical vacuum dryer designed as a trickle dryer : de en
  • FR856170A - Improvements to tuning devices for high frequency circuits : en fr
  • GB522028A - Method and apparatus for measuring the colour of light : en
  • USD120870S - Design for a brush cabinet : en
  • DE691929C - : de en
  • US2203268A - Comfort wave machine : en
  • US2203597A - Box toe material : en
  • GB522015A - Improvements in or relating to the combustion spaces of internal combustion engines : en
  • DE691660C - Device for automatic control of the feed rates of a tool or workpiece : de en
  • DE691962C - Method and device for reinforcing bank retaining walls, pillars and similar structures : de en
  • FR856177A - Method and device for the manufacture of ribbons of short fibers or bristles, capable of being drawn : en fr
  • FR856240A - Signal broadcasting systems over automatic or similar telephone networks : en fr
  • FR50439E - Machine for the production of phonograph records : en fr
  • GB522079A - Improvements in or relating to the casting of ingots : en
  • CA389222A - Anthraquinone series compound : en fr
  • USD120926S - Design fob a louver lamp shade : en
  • US2202872A - Cutting mechanism : en
  • US2203367A - Valve device : en
  • GB521866A - Improvements in or relating to ceiling ventilators : en
  • US2202994A - Process for making alkali metal amides : en
  • GB521919A - Improvements in or relating to means for operating control surfaces of aircraft : en
  • USD120857S - Design for a bicycle stand : en
  • CA389163A - Friction shock absorbing mechanism : en fr
  • US2203353A - Method and apparatus for signal translation : en
  • US2202831A - Mercury boiler : en
  • US2203642A - Sulphonation product : en
  • DE691682C - Air heater for drying devices : de en
  • CA389172A - Ether derivative manufacture : en fr
  • DE691814C - Adcock direction finder with elimination of the night effect : de en
  • DE687721C - Dam bedding or connection : de en
  • GB522020A - A new or improved method of and/or apparatus for effecting automatic control by means of fluid pressure : en
  • DE691891C - Motor generator for welding purposes : de en
  • US2203053A - Recipe and menu cabinet : en
  • US2202827A - Process of preparing cyanine dyes from substituted mercapto derivatives : en
  • DE691805C - Device for casting semi-cylindrical stereotype plates : de en
  • DE691905C - Tapping machine : de en
  • DE691830C - Measuring tube for performing mass analysis determinations : de en
  • GB521932A - Improvements in or relating to bearings : en
  • GB521996A - Improvements in domestic wringers and the like : en
  • CA389169A - Electron discharge device : en fr
  • DE691865C - Bending device for rounding tubes from sheet metal : de en
  • US2202812A - Clearer roll : en
  • DE691705C - Stacking shaft for zipper machines : de en
  • US2202809A - Die holder : en
  • USD120871S - Design fob a vaporizer : en
  • FR856238A - Silent, especially intended for firearms : en fr
  • US2203105A - Earpiece manufacture : en
  • US2203178A - Anchoring device : en
  • US2203425A - Apparatus for heating : en
  • DE691783C - Control device for a converter : de en
  • GB522001A - Improvements in or relating to the scavenging and charging of the cylinders of two-stroke internal combustion engines : en
  • DE691712C - Railway coupling, in particular conveyor wagon coupling : de en
  • GB522087A - Improvements in or relating to internal combustion engines using dust fuel : en
  • CA389139A - Metal surface protection : en fr
  • DE691694C - Compressed air slide device for conveyor wagons : de en
  • GB521949A - Transmission of graphic or pictorial material over submarine cables : en
  • US2203450A - Pile fabric : en
  • US2203153A - Thermoresponsive metering valve : en
  • GB522085A - Spring unit for mattresses, seats, cushions and the like : en
  • FR856235A - Advanced adjustment system for binoculars and its applications : en fr
  • DE691922C - Process for the production of insulation against heat and hot wind lines : de en
  • FR856210A - Improvements to rotary duplicators for reverse writing clichés : en fr
  • GB521860A - Improvements in or relating to closures for bottles and like containers : en
  • DE691741C - Two-part book support : de en
  • FR856232A - Process for the preparation of products for initiating explosive charges for exploded rivets : en fr
  • FR50420E - Automatic feed water regulator : en fr
  • US2203427A - Window construction : en
  • US2203516A - Metal radio tube : en
  • AU478139A - Improvements in or relating to flashlights and attachments therefor : en
  • US2203154A - Piston ring : en
  • US2203278A - Skate : en
  • US2203575A - Portable cover : en
  • US2203502A - Side lamp arranged for beam and turn indication : en
  • US2203554A - Exhaust gas burner : en
  • USD120887S - Design for a leg garment protector : en
  • USRE21476E - Naoss : en
  • DE691887C - Electric gas switch : de en
  • GB521976A - Improvements in or relating to frames for collapsible structures for hangars and thelike : en
  • US2203556A - Timer : en
  • GB521906A - Improved process of producing glazed fabrics : en
  • US2202891A - Apparatus for preparing granular coffee : en
  • US2203066A - Cable anchoring device : en
  • FR856221A - Device for transmitting the movement of the piston to the crankshaft in internal combustion engines : en fr
  • US2203496A - Refrigeration control : en
  • DE691762C - Doors for vehicles, especially motor vehicles : de en
  • DE691909C - Schlaegermuehle with radial feeding of the goods : de en
  • USD120856S - Design fob a flexible pocket receptacle : en
  • AU110711B2 - An improved race barrier : en
  • DE691968C - Writing or drawing pad with a flat knife for cutting the pens : de en
  • US2203026A - Electric outlet box : en
  • USD120955S - Textile fabric or similar article : en
  • CA389175A - Sound recorder and reproducer : en fr
  • US2202929A - Tilling implement : en
  • USD120935S - Design for a vehicle heater : en
  • AU240839A - Improvements in multi-range indicating devices for radio receivers : en
  • US2203451A - Mop : en
  • US2203640A - Hand grenade : en
  • US2202834A - Door locking system : en
  • CA389127A - Synthetic fibre production : en fr
  • DE691790C - Braking device for twist handles and Bowden cable levers on motorcycles u. like : de en
  • US2202844A - Strand or cable : en
  • US2202941A - Method of and means for attaching heels to shoes : en
  • US2203361A - Fountain brush : en
  • US2203020A - Hair clipping and shaving device : en
  • US2202902A - Coloration of textile and other materials : en
  • DE691904C - Automatically adjustable reamer in two mutually perpendicular coordinate planes : de en
  • CA389162A - Porous material processing : en fr
  • USD120910S - Phonograph record changer standard : en
  • US2203272A - Apparatus for determining seismic velocities : en
  • US2203289A - Telegraph switching system : en
  • DE691655C - Securing for chamfered castle nuts : de en
  • CA389119A - Independent brake adjustment : en fr
  • US2203481A - Concentric lines and circuits therefor : en
  • US2203541A - Sliding blade scissors : en
  • US2203223A - Infant's bathing device : en
  • US2203399A - Valve : en
  • US2203237A - Coupling : en
  • US2203363A - High molecular weight substituted ethinyl carbinols : en
  • CA389069A - Fluid measuring apparatus : en fr
  • DE691706C - Block of paper, cardboard or the like sheets : de en
  • DE691874C - Device for moving the universal rail for typewriters or the like. : de en
  • DE691938C - Three-phase rectifier or inverter for high voltage power current : de en
  • US2202893A - Process for treating slimes : en
  • USD120917S - Combined bottle and closure therefor : en
  • USD120901S - Design for a shoe : en
  • DE691932C - facilities : de en
  • GB521868A - Improvements in or relating to propelling or impelling apparatus of the axial flow type : en
  • USD120889S - Design for a pinking machine : en
  • USD120900S - Tray or other article op hollow ware : en
  • USD120869S - Design fou a dress : en
  • USD120894S - Design for : en
  • FR856224A - Insulated electrical conductors : en fr
  • FR856198A - Electrical adjustment assembly : en fr
  • GB521968A - Apparatus for supplying oxygen, anaesthetic or like gases to remote points : en
  • US2203091A - Tube cake pan with cake loosening means : en
  • AU125139A - Improvements in and relating to lawnmowers andthe like : en
  • US2203123A - Gasketed plate : en
  • US2202923A - Blue flame burner : en
  • US2203182A - Annealing lehr and method of annealing glassware : en
  • US2203576A - Atomizer : en
  • USD120898S - Design for a stapler : en
  • DE691746C - Piston fluid meter : de en
  • DE691784C - Arrangement at tap changers for transformers : de en
  • DE691836C - Removable aircraft canopy : de en
  • CA389089A - Lock nut : en fr
  • DE691864C - Device for regulating the winding speed when winding wire onto spools : de en
  • US2203235A - Truss : en
  • US2203526A - Method of and apparatus for controlling temperature : en
  • US2203658A - Lens shifting and focusing mechanism : en
  • CA389178A - Protective circuit : en fr
  • US2203126A - Bookholder : en
  • US2203432A - Electrical musical instrument : en
  • US2202815A - Ground leveler : en
  • US2203306A - Accumulating mechanism : en
  • US2203490A - Railway car frame : en
  • USD120888S - House coat or similar article : en
  • US2203028A - Illuminated hat : en
  • US2203550A - Electric lamp : en
  • US2203080A - Electrical conductor : en
  • USD120965S - Design for a dress : en
  • AU317539A - Improvement in dental equipment stands : en
  • US2203552A - Warm air register : en
  • AU110704B2 - Improvements in oil fired water heaters : en
  • CA389123A - Electric discharge device : en fr
  • DE691890C - Arrangement for keeping the voltage of current tubes constant : de en
  • AU181739A - Improvements in oil fired water heaters : en
  • US2203109A - Computing counter : en
  • US2203521A - Modulated-carrier wave-signaltranslating system : en
  • US2202974A - Ribbon soap : en
  • CA389068A - Bandage : en fr
  • DE691791C - Securing to grinding machines : de en
  • DE691743C - Working device with undercarriage : de en
  • US2202810A - Motor vehicle chassis : en
  • US2203394A - Folding bench and table construction : en
  • US2203480A - Pickling and cleaning device for strips of sheet metal : en
  • US2203448A - Apparatus for attaching slide fastener locking members to flexible tapes : en
  • AU281739A - Improved means for use ina milking machine installation for measuring and sampling each cows milk : en
  • DE691681C - Process for the production of a heat-resistant electrical insulating material : de en
  • GB521992A - Improvements in or relating to television transmitter cathode ray tubes : en
  • DE691919C - Bulkhead duct for pipelines on ships : de en
  • FR856204A - Compressor check valve : en fr
  • US2203160A - Magazine pencil of the type comprising a lead-conveying tube : en
  • US2203596A - Process for the manufacture of transparent foils, films, and threads of cellulose formate : en
  • CA389184A - Line throwing rocket : en fr
  • DE691683C - Metal membrane, especially for gas pressure remote controls and gas pressure regulators : de en
  • DE691902C - Process for the production of flat or wedge-shaped rubber drive belts : de en
  • US2203142A - Valve seat grinding implement : en
  • US2203441A - Water-soluble and oil-soluble sulphonic or sulphate derivatives of hydrocarbons : en
  • US2203468A - Regulator for time delay circuits : en
  • US2203531A - Bank feed : en
  • US2203567A - Machine for polishing rollers, such as used in printing machines : en
  • CA389173A - Hydrocarbon nitrating process : en fr
  • US2203593A - Saxophone : en
  • US2203190A - Bobbinless loom : en
  • FR50445E - Process and product for the treatment of yarns and fabrics : en fr
  • CA389149A - High frequency electric transmission line : en fr
  • US2202842A - Brake shoe mounting : en
  • US2203356A - Mixing machine : en
  • US2203520A - Television system : en
  • FR50435E - Improvements to signal repeater devices on board railway convoys : en fr
  • GB521910A - Improvements in detergents and in the manufacture thereof : en
  • CA389132A - Motor control system : en fr
  • US2202950A - Gearshift mechanism : en
  • US2203333A - Safety bolt : en
  • US2203589A - Treatment of wood : en
  • US2203231A - Treatment of cellulosic materials such as paper and fabrics to make them resistant to water : en
  • CA389180A - Camera film winding device : en fr
  • GB522027A - Improvements relating to coin operated vending machines : en
  • CA389103A - Brake mechanism : en fr
  • CA389176A - Sound recorder and reproducer : en fr
  • CA389146A - Polyamide treatment with steam : en fr
  • CA389156A - Electro-magnetic register setting mechanism : en fr
  • CA389189A - Aminotriazine manufacture : en fr
  • US2202887A - Well casing perforator : en
  • US2203291A - Motor vehicle : en
  • GB521916A - Improvements in and relating to electric valve converting circuits : en
  • GB521950A - Improvements in or relating to gearing for driving the valve push rods and the oil pumps of internal combustion engines : en
  • US2203430A - Portable mixer : en
  • US2203006A - Paper tube and method of making : en
  • GB521975A - Improvements in and relating to the production of anhydrous metallic chlorides : en
  • US2202873A - Apparatus for rectifying alternating currents : en
  • US2203159A - Cultivating tool : en
  • US2203275A - Salt block holder : en
  • US2203147A - Measuring and testing instrument for oxygen breathing apparatus : en
  • USD120954S - Design for a textile fabric : en
  • FR50404E - Quick-release ball joint requiring no tools : en fr
  • DE691825C - Process for the production of artificial structures, such as threads, from xanthates of ether-like and ester-like cellulose compounds : de en
  • GB522021A - Improvements in or relating to electrical switching apparatus : en
  • GB521894A - Improvements in or relating to a process for the manufacture of fertilizers : en
  • US2202979A - Suction cleaner : en
  • US2203349A - Surge arrester : en
  • USD120904S - Design for an illcminable whatnot : en
  • USD120920S - Design for a cigarette dispenser : en
  • AU110708B2 - Improvements in electric accumulators : en
  • USD120885S - Design for sunglasses : en
  • CA389118A - Diesel engine control system : en fr
  • US2203455A - Piston : en
  • US2203045A - Handling device for invalid cots : en
  • US2203359A - Garment press : en
  • DE691686C - Process for the production of a fertilizer containing ammonium nitrate : de en
  • GB522065A - Hydraulic press : en
  • US2202978A - Toy aircraft : en
  • US2203000A - Machine for reading perforated record cards : en
  • DE691957C - Spinning regulator for electrically driven ring spinning and ring twisting machines : de en
  • GR9040B - LIME OVEN AND CERAMIC CONTINUOUS COMBUSTION. : el en
  • US2202860A - Stirrer : en
  • US2203143A - Valve seat grinding implement : en
  • USD120903S - Design for a light transmitting globe : en
  • DE691725C - Electric train lighting system with a generation of cables : de en
  • DE691716C - Directional beam transmission tubes for ultrashort waves : de en
  • US2203189A - Mop : en
  • US2203270A - Belt buckle : en
  • DE691933C - Switching device for electrical lighting systems with different voltages at times : de en
  • DE691945C - Device for counting power levels : de en
  • DE691911C - Production of a feed containing yeast : de en
  • US2202850A - Building structure : en
  • US2202933A - Sulphanilamido-aminopyridines and process for producing the same : en
  • US2203393A - Musical instrument : en
  • USD120960S - Design for an embroidered trimming : en
  • FR856216A - Arc transfer surge arrester : en fr
  • US2203602A - Rail clamp for mine cars : en
  • US2202984A - Staple remover : en
  • US2203578A - Mailing card : en
  • US2203453A - Reel : en
  • US2203375A - Process for mercerizing fabric : en
  • US2203434A - Steam and sediment trap for a pressure responsive instrument : en
  • CA389197A - Pantie girdle : en fr
  • GB521981A - Improvements in or relating to collapsible boxes : en
  • US2203650A - Suction nozzle : en
  • DE691802C - Pressure compensation disc for centrifugal machines, especially steam turbines : de en
  • FR50413E - Advanced cooling arrangement for so-called air-powered aircraft engines : en fr
  • US2203241A - Apparatus for manufacturing inked ribbons : en
  • US2203293A - Force measuring device : en
  • US2203524A - Making sulphonated products : en
  • US2203612A - Electric discharge lamp : en
  • US2203590A - Air conditioning device : en
  • DE691690C - Circuit arrangement for telecommunications, especially telephone systems : de en
  • DE691842C - Signal system with several detectors lying in parallel on a double line, in particular a fire alarm system : de en
  • DE691703C - Machine for smoothing footwear, in particular long-shaft and collar boots : de en
  • FR856229A - Magnetic tape treatment process for charging carrier frequency cables : en fr
  • US2203630A - Annunciator : en
  • USRE21472E - jcaijr it xt : en
  • US2202898A - Pipe welding : en
  • DE691870C - Filters for purifying air : de en
  • US2203044A - Lubricant : en
  • US2202811A - Bracket : en
  • USD120924S - Design for a portable lighting fixture : en
  • US2202986A - Pipe cutter : en
  • DE691856C - Wood preservatives : de en
  • DE691937C - Incandescent lamp socket contact, consisting of a current-carrying, wave-shaped curved spring strip with a contact pin for the incandescent lamp contact, especially for Swan sockets : de en
  • CA389125A - Input circuit amplifier : en fr
  • GB521921A - Improvements in posting and like sheet or card holding trays : en
  • DE691651C - Working time recorder : de en
  • GB521925A - Method and device for regulating the quantity of fuel injected into the cylinders ofinternal combustion engines : en
  • CA389185A - Biologically active substance preservation : en fr
  • DE691721C - Receiver with noise elimination : de en
  • DE691944C - solutions in organic solvents : de en
  • GB522046A - Improvements in or relating to motion transmitting means : en
  • US2202841A - Braking mechanism : en
  • US2203086A - Disappearing stairway : en
  • US2202899A - Piston ring and method of making same : en
  • GB521980A - Improvements in hydraulic receivers more particularly for hydraulically actuated brakes : en
  • US2203542A - Cushioning mechanism : en
  • USD120963S - Design for a dress : en
  • US2203572A - Striping or banding machine : en
  • US2203256A - Rail flaw detector mechanism : en
  • US2203188A - Treatment of air : en
  • USRE21475E - olsen : en
  • GB522053A - Improvements in and relating to the marking of tinplate : en
  • DE691850C - a jacquard machine : de en
  • US2202886A - Microphone : en
  • AU110680B2 - Improvements in means for venting axle-boxes, bearing housings gearboxes and like casings or enclosures : en
  • CA389195A - Stoker fuel distributor : en fr
  • DE691860C - Multiple switch for branched pneumatic tube systems : de en
  • GB522004A - Improvements in or relating to systems for the transmission of oscillations : en
  • AU110690B2 - Improvements in multi-range indicating devices for radio receivers : en
  • GB521909A - Improvements in connection with the levelling of charges in coke-ovens and the like : en
  • GB521923A - Improvements in dental instrument stands : en
  • FR856182A - Heat exchange plate : en fr
  • FR856156A - Stabilized negative conductance or resistance devices : en fr
  • FR50422E - Improvements to locking devices for parachute belts : en fr