• US1991724A - Grinding machine : en
  • US1991744A - Combination spot and flood light : en
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  • US1991435A - Metallic spool : en
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  • US1991386A - Shoe last : en
  • US1991556A - Manufacture of pressure vessels : en
  • US1992081A - Arch supporter : en
  • US1991863A - Thermostatically operated emergency gas shut-off valve for hot water heaters : en
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  • DE609606C - Device for mixing gas and combustion air for gas burners : de en
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  • US1991895A - Loom for weaving : en
  • FR777549A - Aircraft upgrades : en fr
  • FR777561A - Monitoring device for condensate drain : en fr
  • US1991645A - Process of distributing solids : en
  • DK49899C - Optical Projection Apparatus. : da en
  • GB424879A - Improvements in the manufacture of yarns containing staple fibre from continuous filaments : en
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  • US1991666A - Riffle pan : en
  • US1992059A - Electric wiring apparatus : en
  • FR777498A - Pendulum deflection adjustment device on arc welding machines : en fr
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  • US1991885A - Dyestuffs of the naphthoquinone series : en
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  • FR777559A - : fr
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  • CA348245A - Heat exchanger : en fr
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  • US1991750A - Process for the pyrolytic treatment of hydrocarbons and carboniferous material : en
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  • US1991436A - Vibration dampener : en
  • US1991437A - Method of making boxes : en
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  • US1991729A - Record card controlled statistical machine : en
  • US1992076A - Lighter : en
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  • US1991824A - Production of paper pulp : en
  • US1991881A - Fluid pressure brake : en
  • US1991807A - Control system for plural valves : en
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  • US1991482A - Rhodamine dyes : en
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  • FR777419A - circular parasol extension, with variable and removable opening : en fr
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  • GB424287A - Improvements in hydraulic or like power presses : en
  • US1991455A - Conduit and conduit system : en
  • US1991753A - Flash lamp : en
  • US1991362A - Loose leaf binder : en
  • US1991773A - Road torch : en
  • US1992162A - Machine for pressing and shaping points of collar tops : en
  • CA348253A - Hay press : en fr
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  • DE609652C - Rope pulley : de en
  • GB424371A - Improvements in bronchoscopes and the like : en
  • US1991779A - Manufacture of gum inhibited motor fuels : en
  • US1992097A - Surface heat exchange apparatus for fluids : en
  • US1992148A - Venetian blind bracket : en
  • GB424360A - Improvements in electric safety cut-outs : en
  • GB424372A - Improvements in the production of articles by condensation of vinyl alcohol : en
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  • FR777547A - Improvements to stabilizing mechanisms for ships and other vessels : en fr
  • FR44529E - Automatic scale registration and remote registration device : en fr
  • GB424310A - Improvements in or relating to directional receiving antenna systems : en
  • GB424510A - Improvements relating to the attachments for mounting lighting-dynamos and allied appliances upon cycle frames : en
  • GB424546A - Improvements in or relating to fluid-reaction propelling apparatus : en
  • GB424760A - Improvements in looms for weaving double pile or like tufted fabrics : en
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  • GB424455A - Improvements in or relating to high frequency electrical oscillation generators, radio transmitters and the like : en
  • FR44525E - Improvements to husking machines : en fr
  • GB424530A - Improvements in or relating to arcuate carbon sliding contact members : en
  • US1991789A - Bicycle construction : en
  • FR777461A - : fr
  • USD94612S - Design fok a negligee garment : en
  • FR777531A - Improvements to communicating vessel time switches : en fr
  • GB424294A - Improvements relating to suspension devices for overhead electric conductors : en
  • FR777436A - Stringed instrument refinements : en fr
  • US1991456A - Sewing machine : en
  • DE609560C - Compressed air brake device with a valve for gradual release of the brake : de en
  • US1992032A - Evaporator : en
  • US1992150A - Electric truck : en
  • US1991804A - Carburetor : en
  • GB424290A - Carving forks : en
  • CA348285A - Clutch plate : en fr
  • DE609530C - Sleeve closure for band iron tires placed around packages : de en
  • US1991725A - Means for lubricating car wheels and rails : en
  • DK49901C - Procedure for Preparing Oxide Coatings on Aluminum and Aluminum Alloys. : da en
  • GB424204A - Combined folding perambulator and suit case : en
  • USD94614S - Design for a hot tamale steamer or : en
  • GB447741A - Improvements in or relating to medical and surgical syringes : en
  • US1991821A - Wood block flooring : en
  • DE609462C - Cover needle for flat weft knitting machines : de en
  • IE13439L - Manufacture of bag tubes or bags. : en
  • US1991538A - Hydraulic cable equalizer : en
  • US1991748A - Muffler : en
  • US1991991A - Ironing machine : en
  • DE609586C - Process for processing a fuel gas consisting of compressed gaseous and liquefiable hydrocarbons, especially methane and ethylene and their homologues, for the operation of vehicle engines : de en
  • DK49907C - Radio receiver with switch for setting in different wavelength ranges. : da en
  • FR777476A - Advanced training in centrifuge baskets : en fr
  • FR777596A - Improvements made to bits, drills, reamers, taps and similar tools : en fr
  • DE609820C - Hollow stone for stone iron ceilings, floors, etc. like : de en
  • FR44523E - Tin cans, in particular cans : en fr
  • FR777537A - Key lever support device for typewriters with character carrier levers : en fr
  • US1991562A - Journal bearing : en
  • DE609514C - V-belt drive with movable conical pulleys : de en
  • DE609707C - Gap seal on Roots blowers : de en
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  • GB424387A - Improvements in pivoted disc valves controlling flow of fluid through pipes : en
  • GB424425A - Improvements in high frequency inductance coils : en
  • GB424556A - Centrifugal pump with vertical shaft : en
  • GB424559A - Improvements in or relating to the production of compounds of the cyanine type : en
  • DE609734C - Horizontal coupling for electric lights hanging on overhead tension cables : de en
  • GB424543A - Improvements in willows and like machines for opening cotton, wool, and like fibres : en
  • US1991585A - Means for guiding plansifter brushes : en
  • US1991446A - Trimming machine : en
  • GB424499A - Improvements in and relating to fluid pressure braking apparatus : en
  • GB447394A - Improvements in or relating to variable pitch screw-propellors : en
  • US1991775A - Variable color luminous device : en
  • GB424226A - A process for refining alloys : en
  • GB424429A - Oscillation generators for scanning in television and like systems : en
  • GB424448A - Improvements in or relating to sliding roofs for vehicle bodies : en
  • US1991690A - Slippage permitting clamp : en
  • FI16379A - Procedure and apparatus for cellulosic fibers y.m.s. constantly to whiten : en fi
  • FR777441A - Spacing grid for centrifuge filters : en fr
  • FR44503E - Signaling device for road traffic : en fr
  • FR777477A - Process for obtaining reproductions on wood by using transparent sheets as dyes : en fr
  • GB424286A - Improvements relating to condenser microphones and circuit arrangements for use therewith : en
  • GB424836A - Improvements in and relating to explosion turbines : en
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  • GB424483A - Improvements in and relating to exciting arrangements for dynamo electric machines : en
  • US1991644A - Fuel oil filter : en
  • DE609585C - Vibration damper for power machines : de en
  • FR44547E - Variable gauge trolley : en fr
  • US1991805A - High speed turning bit, milling tool, and similar tool, and process for manufacturing the same : en
  • US1992137A - Electric motor : en
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  • FR777381A - Method and device for the purification of crude hydrocarbons : en fr
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  • US1991550A - Tile construction : en
  • USD94608S - Design fob a kitchen cabinet unit : en
  • US1991716A - Rotary printing machine : en
  • FR44511E - Luminescent tube signaling devices for use in aviation : en fr
  • US1991547A - Ant poison feeder : en
  • US1992161A - Variable condenser : en
  • FR777469A - : fr
  • US1991842A - Feeding device for stokers : en
  • US1991443A - Direction finder : en
  • DE609665C - Device for opening, adjusting and closing bottom hung windows : de en
  • US1991380A - Patch vulcanizing outfit : en
  • US1991410A - Process for crystallizing borax from solutions : en
  • US1991741A - Precooling apparatus for refrigerator cars : en
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  • US1992020A - Fireproof, waterproofing, and polishing compound : en
  • US1991602A - Table ornament : en
  • CA348250A - Panel mounting : en fr
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  • GB424379A - Improvements in or relating to valve control and regulation means for stationary piston operated steam engines : en
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  • DK49892C - Method of Apparatus for Purifying Liquids Using Centrifugal Force. : da en
  • US1991546A - Meat tenderer : en
  • DK49911C - Device for Reversible Windows. : da en
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  • US1991673A - Identification band : en
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  • GB447735A - Improvements in and relating to circuit breaker contacts : en
  • US1991414A - Electric welding : en
  • GB424397A - Improvements in electro-magnetically operated mercury switch relays : en
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  • US1991570A - Variable governor linkage : en
  • US1991635A - Hair waving clamp : en
  • US1991758A - Air cleaner : en
  • US1991921A - Process for flanging hats : en
  • FR777434A - X-ray tube casing : en fr
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  • US1991434A - Thermostatic valve : en
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  • FR777541A - Sealing device for pressurized pipes : en fr
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  • US1991888A - Lenticular full tone reproducing screen : en
  • US1991928A - Device for testing, adjusting and focusing headlights : en
  • GB424345A - Improvements in automatic door closing devices : en
  • GB424414A - Improvements in or relating to apparatus for treating gases with liquids : en
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  • US1991920A - Incandescent lamp base lock : en
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  • US1991438A - Thermostatic metal : en
  • US1992006A - Automatic spring apparatus to raise overhead doors : en
  • US1991440A - Hydrocarbon oil conversion : en
  • US1991752A - Waterproofing and polishing compound for wood : en
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  • US1991985A - Lock : en
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  • GB424237A - Improvements in and relating to gas burners for furnaces : en
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  • US1991730A - Lead salt of dinitro benzoic acid and priming composition containing the same : en
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  • US1991811A - Impregnating wood and the like : en
  • US1991505A - Disazo dye and method for its preparation : en
  • US1991945A - Crank driven mechanism : en
  • US1991652A - Conveying system : en
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  • FR777525A - Improvements to supercharged internal combustion engines : en fr
  • FR777579A - Device with patellar joints for transmission between two rotating shafts : en fr
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  • GB424553A - Improvements in or relating to methods of and means for aerating cyanide solutions : en
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  • US1991837A - Building element : en
  • US1992018A - Refrigerator evaporator : en
  • US1991969A - Container : en
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  • US1992055A - Photo-electric relay apparatus : en
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  • US1992144A - Container : en
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  • US1991365A - Pulp digesting method and system : en
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  • US1992053A - Oxidation of arsenious acid : en
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  • US1992062A - Impregnation of textile fabrics : en
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  • US1991871A - Eating implement : en
  • US1992000A - Display apparatus : en
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  • US1991755A - Waterproof composition for flooring and the like : en
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  • US1991651A - Wing construction : en
  • US1991409A - Television system : en
  • US1992140A - Flash light : en
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  • US1991689A - Method of making quoits : en
  • FR777385A - Selective circuit layout : en fr
  • GB424683A - Improvements in the manufacture of staple fibre yarns from continuous filaments : en
  • FI16377A - Composition of asphalt emulsion : en fi
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  • US1992100A - Testing flaws and the like in working materials : en
  • US1991470A - Method of making solid rubber articles : en
  • US1992154A - Preparation of alpha-naphthol : en
  • GB424482A - Improvements in and relating to flat knitting machines : en
  • US1991995A - Platinum metal ammino cyanide plating bath and process for electrodeposition of platinum metal therefrom : en
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  • DE609780C - Device for cutting off the air pipes of slaughtered pigs before they are quenched : de en
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  • GB424422A - Improvements in delivery mechanism for use in delivering the products of printing machines in counted batches : en
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  • US1991511A - Check indorser : en
  • AU1696534A - Improvement in devices for watering land : en
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  • US1991495A - Thermostatic element : en
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  • GB424391A - Improvements in or relating to earth trenching machines : en
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  • DK49915C - Method and Apparatus for heat-treating material by means of gases in a rotary kiln or drum. : da en
  • FR777394A - Diaphragm gas pressure regulator with additional pressure device : en fr
  • US1992143A - Resistance for electric heating devices : en
  • GB424240A - Improvements in endless track devices for vehicles : en
  • DE609757C - Device for the production of thread loops in fabric : de en
  • US1991715A - Packing set shape : en
  • US1991857A - Detonator : en
  • FR44537E - : fr
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  • DK49890C - Device at Kværne. : da en
  • GB424348A - A process for the production of 1-(3, 4, 5,-trialkoxyphenyl)-6, 7-dialkoxyisoquinolines : en
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  • US1991509A - Collapsible pipe and pneumatic transmission : en
  • US1991655A - Metered piston truss : en
  • US1991612A - Registering device : en
  • US1991868A - Box or crate : en
  • US1991478A - Plant package in box : en
  • US1991891A - Steam driven compressor : en
  • GB424222A - Improvements relating to electrically-operated thermal devices for closing and opening electric circuits : en
  • FR777447A - Alembic meter for traveling still : en fr
  • FR777481A - Incandescent cathode whose surface is activated and which is more particularly intended for gas-filled discharge tubes : en fr
  • US1991554A - Potato cutter : en
  • DE609619C - Vice for die setting and line casting machines, in which a device for setting the jaws over short lines of dies can be switched on and made effective for each of the jaws alone or for both of them together : de en
  • GB424210A - Improvements in means for reducing or comminuting and in some cases classifying or grading ore and other materials : en
  • GB424426A - Improvements in portable heating stoves or radiators : en
  • US1991793A - Washing machine : en
  • US1991589A - Carton : en
  • US1991808A - Complex metal compounds of azo dyestuffs : en
  • US1992147A - Workholder : en
  • US1991377A - Variable capacity pump : en
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  • US1991968A - Boiler tube cleaning apparatus : en
  • US1991873A - Means for relieving pressure on top rolls : en
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  • US1992107A - Safety razor : en
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  • US1991625A - Inertia brake : en
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  • US1991606A - Method of making thermionic tube grids : en
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  • FR777581A - Tool holders for hand or other horticultural instruments : en fr
  • CA348342A - Mu amplifier circuit : en fr
  • GB424557A - Improvements in and relating to elevators or tube gripping devices as used in well drilling or operation : en
  • US1991896A - Sewage treating process : en
  • DE609380C - Device for creating gaps in a tobacco rod : de en
  • DE609607C - Horde for cleaning compound : de en
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  • US1991457A - Press for cutting metal and other sheets : en
  • US1991703A - Locomotive front end construction : en
  • GB424295A - Improvements relating to seats, chairs, and the like, and their manufacture : en
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  • US1991687A - Vat dyestuff and intermediated of the pyrene-quinone and perylenequinone series : en
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  • FR777546A - Catalyst for carrying out the reaction of gas with water and its manufacturing process : en fr
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  • GB424474A - Improvements relating to electric power cable systems for the underground transmission of electrical energy : en
  • FR777569A - Improvements in the manufacture of materials containing gelatinous sizing and products thereof : en fr
  • GB424548A - Improved combined paper knife and letter balance : en
  • GB424453A - Manufacture of new monoazo dyestuffs : en
  • GB424489A - Improvements in and relating to devices for facilitating the marking up of scores atbridge or other games : en
  • US1991557A - Water heater : en
  • US1991654A - Toy : en
  • US1991874A - Centrifugal apparatus : en
  • FR44514E - Chemical cooking vessel : en fr
  • GB424468A - Shoe lasts and method of manufacturing same : en
  • GB424520A - Improvements relating to the storage cylinders of hot water installations : en
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  • FR777359A - Improvements to television systems and similar transmission systems : en fr
  • FR777362A - Mechanical rocket : en fr
  • FR777433A - Lighting device and its fixing method : en fr
  • FR777506A - Indirectly heated cathode for electric discharge tubes : en fr
  • FR777512A - Electric reflector for general lighting and headlights : en fr
  • DE609641C - Drive arrangement, especially for elevators and hoists, with motors working in Leonard circuit : de en
  • US1992091A - Photographic roller holder : en
  • FR777595A - Hinged shutter with interchangeable slats : en fr
  • US1991916A - Method and apparatus for oxidizing phosphorus : en
  • USRE19473E - Bracket : en
  • US1992064A - Cigar maker's table : en
  • GB424638A - Improvements in and relating to the manufacture of paper or like bag tubes or bags : en
  • FR777380A - Improvements to flooded water chamber hydraulic turbines : en fr
  • FR777573A - Universal plain bearing : en fr
  • US1991400A - Regulation of transformers : en
  • AU1783134A - Improvements in or relating to electric discharge tubes : en
  • FR44528E - Improvements in the manufacture of hernial bandages using plastics : en fr
  • US1991823A - Reclaiming pulp from waste paper : en
  • US1992149A - Automatic stoker : en
  • FR777418A - Improvement in electric blow-off switches by pressurized gas : en fr
  • GB424228A - Improvements in and relating to automatic vacuum braking apparatus : en
  • AU1634434A - Improvements in and relating to door or like latches and locks : en
  • US1991530A - Dissolve device for cameras : en
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  • USD94625S - Design for an apeon : en
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  • US1992139A - Air compressor : en
  • GB424444A - Improvements in and relating to means for feeding labels to labelling machines : en
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  • FR44548E - Continuous and progressive effect press : en fr
  • FR777599A - Improvements in the composition and treatment of extinguishing powders and dry powder extinguishers : en fr
  • GB424542A - Improvements in sheet separating and conveying device : en
  • US1991421A - Fluid compensator : en
  • US1991925A - Centrifugal cream tester : en
  • US1991984A - Stock quotation board : en
  • US1991849A - Electric plug construction : en
  • US1992014A - Motor fuel product : en
  • US1991754A - Tool driving mechanism : en
  • US1991617A - Method and apparatus for applying insignia to confection : en
  • US1991705A - Charge severing mechanism : en
  • US1991521A - Windshield control mechanism : en
  • US1991624A - Stocking foot : en
  • DE609709C - Process for the extraction of substances with a hormone-like effect : de en
  • DK49913C - Calendar pencil. : da en
  • FR777590A - Device for removably connecting electrical conductors : en fr
  • US1991732A - Process for the production of formic acid : en
  • US1991899A - Grinding apparatus : en
  • GB424341A - Improvements relating to drag devices for spinning, twisting, laying and like machines : en
  • GB424625A - Manufacture of dyestuffs containing chromium : en
  • US1991403A - Pneumatic propulsion device : en
  • US1991810A - Manufacture of artificial materials : en
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  • FR44526E - Device for flexible blade mowers : en fr
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  • FR777457A - Improved device for preserving materials that can be damaged by heat : en fr
  • FR777568A - Improvements to the printing mechanism of tabulating machines and similar machines : en fr
  • FR777576A - Sofa bed : en fr
  • GB424232A - Improvements in tobacco pipes : en
  • FR44532E - Improvements to electronic tubes and their circuits : en fr
  • FR777396A - Conversion process for hydrocarbon oils : en fr
  • FR44515E - Copper enrichment process for copper slurries : en fr
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  • US1992092A - Securing trim panels and fastener therefor : en
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  • US1992024A - Electrical switch gear : en
  • FR777486A - One-piece sandal cut from leather or any other material : en fr
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  • US1991391A - Ester of polycarboxylic acids : en
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  • DE609554C - Method for casting long lines composed of several partial lines : de en
  • US1992096A - Robberproof fixture, lock, and alarm for banks and the like : en
  • DE609678C - Mason's hammer : de en
  • DE609558C - Device for guiding the wind in converters : de en
  • GB424486A - Improvements in or relating to spectacle frames : en
  • FR777361A - Automatic gas (air fuel) mixer for internal combustion engines : en fr
  • FR777487A - Device for obtaining uniform rotational movements for sound film devices : en fr
  • CA348369A - Photocell compensating system : en fr
  • US1991783A - Bismuth salts of organic carboxylic acids : en
  • US1991827A - Container and fastener therefor : en
  • DK49902C - Procedure for Treatment of Bearing Surfaces. : da en
  • GB424293A - Improvements in and relating to flexible electrical conductors and in particular to telephone leads : en
  • GB424883A - Improvements in and relating to tobacco feeding apparatus for cigarette-making machines : en
  • FR777454A - Headdress crown cleaver : en fr
  • FR44509E - Mechanical link command transmitter : en fr
  • GB424366A - Improvements in the manufacture and production of glass which is permeable to ultra-violet light and stable to irradiation : en
  • FR44540E - Improvements to devices to be sterilized by ultra-violet rays : en fr
  • GB424299A - Improvements in liquid fuel supply systems for internal combustion engines : en
  • US1991786A - Manufacture of cellular substances : en
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  • DE609721C - Device for moving photographic lenses in the direction of their axis : de en
  • DE609732C - Switching device for switching and switching on hand or motor generators for block works : de en
  • US1991488A - Expanding earth anchor : en
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  • DE609691C - Automatic parking device for speaking machines : de en
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  • FR777560A - Device for increasing the propulsive force of a swimmer : en fr
  • US1991553A - Thermometer : en
  • US1991573A - Stove construction : en
  • US1992085A - Method of dealing playing cards : en
  • GB424466A - Improvements connected with folding chairs and stools : en
  • GB424962A - Improvements in rotary washing or mixing apparatus : en
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  • CA348289A - Manifolding assembly : en fr
  • US1991548A - Gas pumping system : en
  • US1991993A - Process for producing products of fermentation : en
  • US1991473A - Direction finder : en
  • US1991707A - High tension condenser : en
  • US1991955A - Process of pyrolytically treating higher fatty acid substances : en
  • US1991762A - Refrigeration apparatus : en
  • US1992028A - Indicating device : en
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  • US1992039A - Method of producing high silicon steel articles : en
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  • US1991935A - Electrical resistance, resistance heater, and the like : en
  • US1992104A - Mixing and distributing cock for hydrotherapy : en
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  • CA348361A - Engine combustion chamber : en fr
  • CA348278A - Envelope flap drying apparatus : en fr
  • US1992066A - Thermostat : en
  • CA348351A - Radio tuning mechanism : en fr
  • US1991726A - Composition of matter : en
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  • US1991862A - Treatment of bottled goods : en
  • US1992089A - Apparatus for making malt beverages : en
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  • US1991947A - Shoe harbor : en
  • US1991626A - Game apparatus : en
  • US1991731A - Priming mixture : en
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  • US1991640A - Fruit curtain : en
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  • US1991598A - Positive two-hand control : en
  • US1991976A - Conditioning unit : en
  • US1992033A - Window lock : en
  • FR777534A - Saliva collection device during dental procedures : en fr
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  • GB424535A - Improvements in processes of impregnating cellulosic fabrics : en
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  • US1991797A - Collar flap and necktie holder : en
  • US1991964A - Automatic record changing phonograph : en
  • US1991663A - Differential pressure amplifier and flow controller : en
  • FR777389A - Electric amplification process : en fr
  • FR777518A - Barrel closure : en fr
  • DE609608C - Holding bracket reinforced with rubber, especially for protective goggles : de en
  • DE609777C - Hydraulic braking device for motor vehicles : de en
  • DE609689C - Energy direction relay for multi-phase networks : de en
  • FR44507E - : fr
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  • US1991452A - Process for the preparation of concentrated nitric acid starting from the oxidation of ammonia : en
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  • US1991519A - Stove construction : en
  • US1992080A - Method of making safety attachment for wheels : en
  • US1991363A - Bracket for mirrors or the like : en
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  • US1992152A - Tobacco pouch : en
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  • GB424285A - Improvements in or connected with magnetic compasses : en
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  • US1991942A - burne burner : en
  • US1991972A - Eyelet sewing machine : en
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  • FR777392A - Simple device allowing rapid measurement of the various elements required for air navigation : en fr
  • FR777444A - Shoe with a second sole made partially of a flexible material : en fr
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  • FR777509A - Apparatus for mixing photographic prints in developing and washing baths : en fr
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  • US1991872A - Color composition : en
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  • GB424404A - Cap-like attachment for securing to the top of revolving cowls or tops for chimneys,ventilating shafts, and the like : en
  • GB424552A - Improvements in drier felts for use on paper making machines : en
  • US1991426A - Light emitting device : en
  • DE609372C - Gas pressure charger : de en
  • DK49898C - Arrangement of rotatably placed ovens by gas stoves and electric stoves. : da en
  • GB424423A - Improvements in hand-operated indicators for facilitating identification of wireless transmitting stations : en
  • US1991675A - Insulated boat construction : en
  • US1991910A - Vapor electric device : en
  • FR777407A - : fr
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  • GB424443A - Pneumatic operating mechanism for engine controls : en
  • GB424487A - Improvements in or relating to indicators for displaying variable information : en
  • CA348294A - Motion picture apparatus : en fr
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  • DE609369C - Bullet feeding device for air rifles and air pistols with attachable, self-acting magazine : de en
  • US1992008A - Sanitary attachment lining for containers : en
  • US1991684A - Cushion tow hook : en
  • US1992078A - Safety attachment for wheels : en
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  • AU1765434A - Improvements in and relating to refrigerating machines ofthe absorption type : en
  • GB424344A - An improved joint for surgical and dental forceps and other instruments : en
  • GB424502A - Improvements in and relating to filter presses : en
  • DE609365C - Machine for grinding and polishing sheet metal : de en
  • AU1631334A - Improvements in thermally operated switches : en
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  • US1991650A - Coupler carrier and striking casting : en
  • GB424630A - Improvements in or relating to machine guns : en
  • CA348353A - Desuperheater : en fr
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  • US1991462A - Filler device for shoes : en
  • US1992048A - Controller : en
  • US1991828A - Incinerating furnace : en
  • US1991368A - Electric power cable : en
  • US1991637A - Application of mud-laden fluids to oil or gas wells : en
  • US1991792A - Method of separating heavy petroleum mixtures : en
  • US1991831A - Slide locking device for multiple fasteners : en
  • CA348259A - Reverse motion preventer : en fr
  • US1991489A - Wheel : en
  • US1992102A - Method of making nuts : en
  • US1991499A - Method of making paper : en
  • GB424381A - Improvements in or relating to thermo-regulator taps applicable to radiators for central heating : en
  • US1991564A - Apparatus for packing coffee : en
  • US1991578A - Photographic camera : en
  • US1992095A - Display cabinet : en
  • US1991496A - Process of making a compound metallic inlaid structure : en
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  • CA348312A - Silicon alloy casting treating process : en fr
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  • US1991590A - Germicide : en
  • US1991711A - Air box for furnaces : en
  • US1991544A - Bifocal lens : en
  • US1991525A - Brake : en
  • US1991571A - Tank closure latch : en
  • US1991777A - Combination spring and shock absorber : en
  • US1991393A - Protective composition and method of making same : en
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  • DK49905C - Emblem. : da en
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  • GB424386A - Distance relay for the protection of electric plants : en
  • US1991497A - Wheel assembly : en
  • US1991867A - Brush kit : en
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  • US1991636A - Die head : en
  • US1991619A - Motor car or like vehicle : en
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  • GB424886A - Improvements in and relating to shutter arrangements for photographic cameras : en
  • DE609629C - Catenary catenary with permanently installed main suspension cable and retensionable auxiliary suspension cable : de en
  • DE609568C - Device for changing the speed of an electric motor according to the intermittent procedure : de en
  • US1991374A - Apparatus for heat treating material : en
  • US1991632A - Thermionic tube : en
  • US1991865A - Vending machine : en
  • US1991907A - Adjustable flush valve bracket : en
  • FR777351A - Coupling arrangement for telephone systems with main and secondary offices and operation with selectors : en fr
  • US1991965A - Receptacle : en
  • USD94601S - Design for a lady s suit : en
  • GB424214A - Improvements in or relating to vehicle chassis frames : en
  • GB424430A - Improvements in or relating to indicators for displaying variable information : en
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  • DE609659C - Process for the production of high colloid reliefs for relief printing purposes : de en
  • DE609609C - Counter for calculating and recording machines with addition and subtraction effects : de en
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  • GB424433A - Machine for shaping the ends of the teeth of gear wheels, also applicable for shaping other articles : en
  • FR44531E - Further training in mechanical fireplaces : en fr
  • FR777458A - Fuel valve for internal combustion engines with ignition fuel and engine fuel : en fr
  • DE609593C - Aircraft control surfaces : de en
  • US1991439A - Chicken steak machine : en
  • US1991712A - Grinding machine : en
  • US1991962A - Dampening device for lithographic offset presses and the like : en
  • FR777535A - Elastic suspension, in particular for motor vehicles : en fr
  • GB424571A - Improvements relating to electrically propelled vehicles : en
  • DE609393C - Mixing, stirring and kneading machine : de en
  • US1991360A - Attachment for automobile brakes : en
  • GB424631A - Improvements in devices for eliminating the air bubble formed when launching a torpedo under water by means of compressed air : en
  • GB424364A - Improvements in and relating to sleeves for electric cable ends : en
  • CA348324A - Embossed belting : en fr
  • GB424307A - Improvements in and relating to bungs : en
  • DE609591C - Flash lamp : de en
  • DE609774C - Storage of the car body frame of motor vehicles : de en
  • FR777482A - Oxide cathode more particularly intended for gas atmosphere discharge tubes : en fr
  • GB424302A - Improved plaster of paris compositions : en
  • GB424565A - Improvements in or relating to automatic guns : en
  • DE609826C - Aircraft chassis : de en
  • GB424291A - Improvements in or relating to electric hotplates and the like : en
  • GB424437A - Improvements in hat stands : en
  • DE609569C - Delayed responsive electromagnetic overcurrent release for asynchronous motors : de en
  • FR777445A - Bottle capping device : en fr
  • FR777383A - Improvements in the manufacture of nitrates of alkali and alkaline earth metals : en fr
  • US1992012A - Process of making knitted fabric : en
  • US1992094A - Game : en
  • DE609518C - Arm sewing machine : de en
  • DK49895C - Receiving device. : da en
  • CA348263A - Moulded building unit : en fr
  • FR777360A - Device for the remote stabilization of a body mounted on board a ship : en fr
  • FR777435A - Advanced inhaler : en fr
  • GB424350A - An improved carburetter for internal combustion engines : en
  • GB424633A - Improvements in or relating to television or like systems : en
  • US1991671A - Game apparatus : en
  • US1991743A - Process for the preparation of alkyl aryl ketones according to the friedel and crafts reaction : en
  • USD94613S - Design fob an ash tray : en
  • US1991756A - Apparatus for changing speed and direction of rotation by reversing a constant speed motor : en
  • FR44512E - Improvements to the capping processes for bottles and containers using metal and rubber caps : en fr
  • GB424349A - Improvements in or relating to cardboard and like boxes or cartons : en
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  • DE609552C - Process for the representation of glycocolla : de en
  • DE609781C - Grinding and polishing machine, especially for razor blades : de en
  • FR777495A - Housing for oscillating piston machines : en fr
  • FR777356A - Boiler installation for use of exhaust gases from combustion machines : en fr
  • GB424773A - Improvements in television and photograph transmission systems : en
  • FR777500A - Heater for internal combustion engines, in particular for diesel engines with pre-ignition chamber : en fr
  • AU1700834A - Improvements in or relating to electric discharge tubes : en
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  • FR777484A - : fr
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  • US1991572A - Steam generator : en
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  • GB424503A - Improvements in or relating to electric carrier signalling systems : en
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  • FR777548A - : fr
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  • US1991986A - Incineration : en
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  • US1991980A - Heat reclaimer : en
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  • US1991975A - Suction cleaner : en
  • US1992021A - Volume control system : en
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  • US1991825A - Anti-theft device : en
  • US1991844A - Process of making chemically pure benzene : en
  • US1992022A - Electrical measuring apparatus : en
  • FR777387A - Improvements in ionization processes and their applications : en fr
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  • US1991657A - Pitman rod connection for radial cylinder engines : en
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  • US1991765A - Aldehyde-hydrogen sulphide reaction product : en
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  • US1991915A - Machine tool having fluid pressure feeds : en
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  • FR777464A - : fr
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  • US1991431A - Paper cutting machine : en
  • US1991774A - Photoelectric tube : en
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  • US1991790A - Process for separating mono-and dialkyl amines of the benzene series : en
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  • US1991392A - Thermostatic valve : en
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  • DK49912C - Procedure and Device for Combustion of Fuel Air Mixtures in Explosion Chambers, in particular for Combustion Turbines. : da en
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  • GB424361A - Improvements in or relating to coal-cutting and like machines : en
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