• US1942388A - Hose reel and similar device : en
  • DE543777C - Process for making a low-alcohol drink from milk : de en
  • GB403732A - Improvements in or relating to traffic control signals : en
  • GB403895A - Improvements relating to bicycle handle bars and supports : en
  • DE590466C - Vapor generator to be built into the oven wall with exchangeable sprinkler plates : de en
  • GB403903A - Improvements in and relating to coal cutting machines : en
  • FR42922E - Lighters improvements : en fr
  • GB404331A - Improvements in or relating to the manufacture or treatment of products or articles having a basis of cellulose derivatives : en
  • DE590452C - Automatic fire extinguishing system with compressed air in the shower pipe network : de en
  • ES132572A3 - A method of manufacturing electric incandescent lamps. : en es
  • US1941924A - Apparatus for maintaining the thickness of drawn glass : en
  • US1941613A - Pressure gauge stabilizer : en
  • US1941806A - Injection engine : en
  • FR757838A - Salon game : en fr
  • FR757870A - Recorder for phonograph records : en fr
  • DE590534C - Recording filter for a cinematographic multi-color process : de en
  • US1941620A - Buttonhole sewing machine : en
  • US1942383A - Method for coating paper and the like : en
  • FR42939E - Automatic telephone signaling system for emergency call : en fr
  • FR42945E - Electric and automatic safety lock : en fr
  • GB403931A - The manufacture of pure carbonic acid : en
  • ES1764Y - Covers faucets for gas cookers : en es
  • ES2179U - Shoemaker's last (Machine-translation by Google Translate, not legally binding) : en es
  • DE590235C - Process for the production of cellulose esters which contain halogen-substituted fatty acid groups : de en
  • ES132340A1 - A new bearing. : en es
  • DE590584C - Device for bending and hardening leaf springs : de en
  • US1942005A - Carburetor : en
  • ES131645A1 - Procedure for the manufacture of electric heating elements. : en es
  • ES132309A3 - Procedure for hardening, polishing and adjusting antifriction metal connecting rods and centers. : en es
  • FR42937E - Selective herbicides : en fr
  • FR757771A - Piston and ring for pressurized fluid engine : en fr
  • GB403855A - A new or improved dispenser for liquid soap and other liquids : en
  • US1941555A - Lock : en
  • DE590570C - Device for holding the colliding or colliding parts in the mine : de en
  • GB403922A - Improvements in and relating to rectifier systems for alternating currents : en
  • GB403930A - Mechanical-hydraulic speed gear with continuous automatic or regulated variations of the gear ratio : en
  • FR757782A - Capacitor with capacity independent of thermal variations : en fr
  • DE590413C - Process for driving tunnels or channels in floating mountains : de en
  • FR757753A - Process for the treatment of rails or very long parts, with a view to their hardening : en fr
  • FR757997A - Tool holders with interchangeable combs for metalworking, e.g. for turning, threading, boring pipes, etc. : en fr
  • GB403798A - Improvements in and relating to handles for domestic vessels : en
  • FR757779A - Rotating blade with continuous cut for cutter bars, mowers, reapers, harvesters-binders : en fr
  • DE590627C - Belt conveyor device for discharging material to be conveyed from a hopper arranged above the conveying surface : de en
  • DE590404C - Bicycle drive : de en
  • FR757898A - Device for measuring the exposure time for cameras : en fr
  • DE590331C - Two-stroke internal combustion engine : de en
  • DE590480C - Security stitching for newspapers and magazines : de en
  • US1941534A - Process for forming alloys : en
  • US1941547A - Free scaling and free machining steel : en
  • CA338315A - Steel ladder : en fr
  • DE590369C - Paper carriage switching device on typewriters : de en
  • ES132059A1 - A hydraulic dam of floats. : en es
  • US1941702A - Method of reducing sulphur compounds to elementary sulphur or hydrogen sulphide : en
  • US1942014A - Drilling mechanism : en
  • GB403932A - Improvements in or relating to the joining together of sections of metal pipe provided with one or more thin metal coverings : en
  • ES132302A1 - A device that can be coupled to cars that allows the suppression of the pedals, facilitating their driving and being able to be driven by invalids of the abdominal extremities. : en es
  • ES2194U - Screen with reflector for indirect electric lighting without shade. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757816A - Automatic tobacco scale : en fr
  • ES1659Y - Rotating support for dyeing skeins. : en es
  • FR757765A - Improvements in the means for distributing flat coins, in particular those for coins : en fr
  • FR757803A - Shoe : en fr
  • ES132562A1 - A new system of internal combustion and explosion engines. : en es
  • FR42914E - Improvement in oscillating corridors : en fr
  • US1941661A - Electron discharge device : en
  • US1941724A - Winding machine : en
  • ES132290A1 - A self-pneumatic hammer. : en es
  • GB403975A - Improvements in and relating to electric clutches : en
  • FR757854A - Button to cover with fabric : en fr
  • FR42921E - New process for stabilizing and regulating motor compressors with opposed free pistons : en fr
  • FR757857A - Manual or automatic gear change device, for motor cars : en fr
  • GB403745A - Improvements in clutch devices for transmitting motion : en
  • GB403863A - Improvements in or relating to hinged lid boxes : en
  • GB403864A - Improvements relating to electrical contact plugs or pins : en
  • ES131403A1 - A fastening system for iron or steel rails on a wooden base. : en es
  • FR757896A - Manufacturing process of phonograph records intended for amateur recordings : en fr
  • GB403753A - Improvements relating to clock bezels : en
  • US1941597A - Automatic web measuring and feeding device : en
  • FR757796A - Sealing for pipes : en fr
  • US1941790A - Reamer : en
  • US1941915A - Hydraulic core knockout and cleaning apparatus for castings and the like : en
  • CA338412A - Chlorinated rubber : en fr
  • ES132497A1 - A complementary device to avoid excessive accumulation of the masses of slices in the diffuser and reduce the pressure on the sieve of the same. : en es
  • FR757882A - Process for the production of leuconic acid esters of sulfuric acid based on tank dyes : en fr
  • FR757880A - Suspension device for bogie vehicle : en fr
  • GB403904A - Improvements in and connected with apparatus for producing combustible gas from volatile liquid fuels : en
  • US1941756A - Roller abstractor : en
  • US1941892A - Process for manufacturing metal clips : en
  • US1942065A - Method of and instrument for measuring surge currents : en
  • DE590559C - Device for regulating the volume of musical instruments : de en
  • ES132314A1 - A tachometer recorder. : en es
  • US1941564A - Combination tire cover and luggage carrier : en
  • US1941711A - Self-closing valve : en
  • US1941823A - Pencil sharpener : en
  • CA338324A - Button making means : en fr
  • US1942323A - Gas analyzer : en
  • FR757894A - Time coupling device : en fr
  • FR42924E - Device allowing, in a gassed environment, to supply liquid or semi-liquid products to the wearers of breathing apparatus : en fr
  • US1942149A - Airplane body : en
  • US1941747A - Printer's quoin : en
  • US1942354A - Article of manufacture : en
  • US1941764A - Universal joint : en
  • DK48223C - Posting sheet. : da en
  • CA338389A - Scale : en fr
  • DE590247C - Feedback lock in telephone lines : de en
  • ES2180U - Brooch for stockings and analogues. (Machine-translation by Google Translate, not legally binding) : en es
  • US1941494A - Light sensitive device : en
  • US1941608A - Rolling magnesium alloy : en
  • USD91307S - Design fob a textile fabric ok : en
  • US1941752A - Apparatus for use in or in conjunction with cigarette making machines : en
  • DE590256C - Process for the production of weatherproof phosphors : de en
  • US1942214A - Captive cap : en
  • US1941594A - Hair waving apparatus : en
  • ES132297A1 - Improvements in the manufacture of fuel, based on carbonaceous material. : en es
  • DE590467C - Process for cooling and subsequent drying of dry coal : de en
  • FR757811A - Improvements to indicating devices, in particular to those giving two different expressions of the same factor, such as speedometers and combined tachometers for automobiles : en fr
  • ES131899A3 - Improvements introduced in the means to regulate the cooling action in air-cooled engines, particularly in star-shaped ones. : en es
  • DE590401C - Air pressure monitoring device for vehicle tires : de en
  • FR757820A - Improvements to escapement mobiles for watches, alarm clocks, clocks, etc. : en fr
  • US1941579A - Convertible screen and table : en
  • US1941641A - Closure fastener : en
  • US1941655A - Electromagnetic hammer : en
  • US1941852A - Photographic gelatin layer : en
  • CA338374A - Tapping screw : en fr
  • US1941623A - Recovery of sulphur : en
  • US1942064A - Rotary pump : en
  • US1942207A - Truck body and method of heating same : en
  • FR757843A - Folding packing box : en fr
  • IE12518L - Tapestry or embroidery : en
  • ES132323A1 - Improvements in radio-frequency amplifiers. : en es
  • US1941725A - Electrolytic condenser : en
  • US1942185A - Door closer : en
  • GB403966A - Treatment of textile and other materials made of or containing cellulose esters : en
  • US1941706A - Washing machine : en
  • US1941532A - Slicing machine : en
  • US1941715A - Wide span cable connecter for highvoltage lines : en
  • US1941573A - Conveying system : en
  • US1941685A - Printing machine : en
  • US1942006A - Toy : en
  • US1941662A - Portable collapsible building : en
  • US1941973A - Corn popping apparatus : en
  • ES130886A1 - Device for the stabilization of ships. : en es
  • US1941783A - Indenting paper : en
  • US1941699A - Sock suspender : en
  • US1942215A - Locomotive front end : en
  • DE590519C - Seed machine with rotating drum : de en
  • CA338403A - Barber's tool sterilizer : en fr
  • US1941863A - Electric power distributing system : en
  • CA338397A - Waste material disposal system : en fr
  • US1941957A - Knife-carrier for paper cutting machines : en
  • US1941835A - Rectangular basket : en
  • US1942336A - Totalizator obds indicator remote : en
  • USD91294S - Design for a textile fabric or : en
  • US1941687A - Audion construction : en
  • DE590465C - Underwater tunnel shot made of reinforced concrete : de en
  • US1942170A - Fluid heating apparatus : en
  • US1942324A - Scissors and method of manufacturing the same : en
  • FR757825A - Insect electrocutor device : en fr
  • US1941462A - Method of producing coked fuel agglomerates : en
  • US1941976A - Regenerator construction : en
  • US1942355A - Apparatus for treatment with solvents : en
  • FR757757A - Nail polishers refinements : en fr
  • CA338354A - Separable fastener : en fr
  • DE590382C - Backpack straps : de en
  • US1942098A - Temporary construction mold : en
  • US1942358A - Vacuum cleaner attachment for automobiles : en
  • FR42919E - Improvements in the sectors : en fr
  • US1941650A - Surface condenser : en
  • DE590387C - Insulating board : de en
  • CA338415A - Petroleum sludge regeneration : en fr
  • US1941563A - Hydraulic brake : en
  • US1942223A - Method of making propeller blades : en
  • CA338368A - Electrical filter system : en fr
  • US1941459A - Window fastener and bolt : en
  • US1942128A - Work supporting and guiding means : en
  • US1942357A - Sheet winding machine : en
  • USD91267S - Design fob a wringer head for : en
  • US1941479A - Automatic vacuum regulator : en
  • US1941977A - Grinding device : en
  • DE590459C - Manufacture of sandpaper or the like by applying abrasive grains to a carrier provided with adhesive under the influence of an electric field : de en
  • CA338308A - Propeller and shaft coupler : en fr
  • DE590478C - Shell iron for the pit lining : de en
  • CA338271A - Container evacuator : en fr
  • GB403729A - Improvements in apparatus for producing metal binding strips for boxes, crates or the like : en
  • US1941927A - Folding table : en
  • CA338269A - Carton : en fr
  • CA338411A - Phonograph needle : en fr
  • ES1868Y - Welding lighter with two or more flames. : en es
  • US1941919A - Grate : en
  • US1942045A - Antibandit electric time lock : en
  • US1942063A - Meter testing device : en
  • US1942235A - Method and relative device for applying brakes to aeroplane wheels : en
  • US1941710A - Composition containing derivatives of cellulose : en
  • CA338287A - Foundation garment : en fr
  • US1942272A - Lift-hand truck : en
  • DK48224C - Device by Spotlights. : da en
  • FR757826A - Improvements to valves for sound devices : en fr
  • DE590222C - Device for mixing, emulsifying, homogenizing, triturating, crushing or the like. : de en
  • USD91278S - Design for a table : en
  • DE590373C - Device for the automatic maintenance of the voltage of DC machines : de en
  • DE590577C - Refrigerant for compression refrigeration machines : de en
  • US1941458A - Pack holder and cutter : en
  • US1941670A - Harvester hitch : en
  • US1941869A - Depolarizing electrode : en
  • US1942359A - Windshield heater : en
  • GB403818A - Improvements in or relating to cathode ray and so-called braun tubes : en
  • US1941720A - Potato cutting machine : en
  • CA338338A - Heater : en fr
  • US1941544A - Folding and wrapping machine : en
  • US1942114A - Lifting apparatus : en
  • US1942240A - Monogram : en
  • US1942330A - Automatic coin-operated liquid measuring and dispensing device : en
  • US1941478A - Grinding machine : en
  • US1941984A - Cut-out for series lamps : en
  • US1942057A - Device for heating windshields or the like : en
  • CA338335A - Metal container : en fr
  • US1941681A - Printing machine : en
  • US1941876A - Record : en
  • US1942028A - Intermittent driving mechanism : en
  • US1941879A - Suspension : en
  • US1941922A - Drawer lining or the like : en
  • USD91268S - Design for a neo-classic bathroom : en
  • US1941489A - Electrical attachment fitting : en
  • US1941975A - X-ray tube : en
  • US1942119A - Securing trim panel : en
  • US1941618A - Multiple system : en
  • US1942264A - Machine for coiling solder : en
  • DE590448C - tripod : de en
  • DE590237C - Process for the preparation of ketones and acid anhydrides : de en
  • DK48214C - Remote notification device when the liquid level in a container drops below a certain limit. : da en
  • GB403972A - Improvements relating to indicators for motor vehicles : en
  • US1942283A - Eraser holder : en
  • US1942325A - Electric circuit closing attachment for shoe heels : en
  • US1942273A - Control device : en
  • CA338323A - Electric totalizator : en fr
  • US1942247A - Car handling apparatus : en
  • US1941995A - Rubber spring : en
  • US1942312A - Shoe heel : en
  • US1941960A - Electric feeler for looms : en
  • DE590558C - Hole nozzle for internal combustion engines : de en
  • DE590587C - Arrangements for the regulation of induction motors through discharge vessels : de en
  • FR757889A - Mobile lighting installation for landing fields : en fr
  • US1941683A - Booster pump apparatus for fire extinguishing systems : en
  • US1941753A - Holder for microscopes : en
  • US1942300A - Match package : en
  • DE590398C - Anti-glare device, in particular for motor vehicles : de en
  • US1941962A - Manufacture of open space coated abrasive paper by the use of paraffin and other hydrophobic materials : en
  • DE590334C - Device for regulating the trim angle and increasing the speed of speedboats : de en
  • ES131870A1 - A spray device for carburetors. : en es
  • FR757781A - Illuminated triangle sign : en fr
  • US1941914A - Electrochemical process for the recovery of metals from ores and other metal bearing materials : en
  • US1942310A - Lid connection : en
  • DE590600C - Bathtub for bathing and washing the buttocks and genitals : de en
  • GB403987A - Improvements in and relating to control of electric relays by means including electric discharge devices : en
  • DE590374C - Electric stove with thermal protection of the hotplates, which protrude slightly from the hotplate, against the hotplate : de en
  • FR757829A - Film winding device : en fr
  • DE590285C - Dry rectifier cell : de en
  • DE590233C - Process for the extraction of indene : de en
  • GB404279A - Improvements in or relating to plastic materials : en
  • GB404312A - Improvements in looms for weaving in which the shuttle boxes do not move with the sley : en
  • GB403726A - Improvements in or relating to a method for providing golf balls with a hardened surface finish : en
  • FR757864A - Process for manufacturing porous articles or objects made of metal oxides : en fr
  • US1942039A - Wind signal : en
  • US1942135A - Centralized traffic controlling system : en
  • DE590330C - Holder of the working magnets on the telegraph wire : de en
  • US1941770A - Crusher : en
  • US1941942A - Sewing machine : en
  • FR757899A - Floating signaling post without guard : en fr
  • US1941649A - Water meter : en
  • US1941832A - Thermos bathtub : en
  • US1941535A - Process of forming alloys : en
  • US1941560A - Cement clinker cooling chamber or the like : en
  • US1942306A - Traffic signal : en
  • USD91274S - Design for an ice cream cone : en
  • ES131985A1 - A new system for the manufacture of flush-mounted boxes for recessed electrical appliances. : en es
  • GB403977A - Manufacture and application of new products useful as assisting agents in the textile and leather industries : en
  • CA338404A - Container vacuumizing device : en fr
  • US1941633A - Marking paper : en
  • US1941634A - Loose leaf book : en
  • US1941865A - Steam boiler and furnace therefor : en
  • DE590531C - Device on cardboard machines for the production of thick cardboard and building boards : de en
  • US1941493A - Light sensitive circuit : en
  • US1941945A - Device for transforming motor trucks and similar vehicles into winches : en
  • US1941829A - Conveyer : en
  • US1941816A - Electrolytic method and cell for the decomposition of water : en
  • US1942090A - Process of molding cellulose derivatives : en
  • US1941694A - Alarm device : en
  • US1942055A - Welding apparatus : en
  • US1942110A - Process for making reaction products of ketene : en
  • DE590201C - Universal joint, in particular for driving the drive wheels of motor vehicles : de en
  • GB403734A - Improvements in means for coiling a strip edgewise upon a tube or cylindrical vessel : en
  • US1941705A - Radiator : en
  • DE590541C - Bottle cooler : de en
  • US1941526A - Induction welder : en
  • GB403847A - Improvements in curtain drawing and suspending devices : en
  • DE590402C - Shut-off device for petrol gate valves on motorcycles : de en
  • ES132308A1 - DEVICE FOR EXHIBITIONS : en es
  • US1941824A - See-saw swing : en
  • CA338280A - Coating material : en fr
  • ES2114U - Glasses. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757775A - Process for manufacturing flexible abrasive products, such as sheets, coating composition for said products and products obtained : en fr
  • ES132590A1 - Improvements in the methods of preparing concrete and hydraulic cement. : en es
  • FR42930E - lock nut : en fr
  • GB403784A - A new or improved protective cover for books and the like : en
  • DE590160C - Chiller : de en
  • ES2153U - Smoke extraction and ventilation device. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403775A - An improved metal protecting cap, for compressed gas cylinder valves, and the like : en
  • ES2196U - A soap-saving scrubber device (Machine-translation by Google Translate, not legally binding) : en es
  • FR757769A - Improvements to magazines or chargers for cinematographic cameras : en fr
  • ES131750A1 - Improvements in the construction of anti-thermal metal blinds. : en es
  • FR757807A - Plastic laminating agent, for pastry, and its manufacturing process : en fr
  • US1941940A - Plow : en
  • US1941813A - Tubing anchor : en
  • US1941941A - Ware support for kilns : en
  • CA338314A - Hydraulic valve : en fr
  • US1941538A - Container for iced cake : en
  • DE590566C - Process for sintering cement : de en
  • US1941735A - False teeth : en
  • DE590356C - Ice skate with stealthy running edges : de en
  • US1941819A - Basket : en
  • CA338342A - Safe and vault : en fr
  • DE590578C - Process for the production of glycols : de en
  • ES131833A3 - Improvements introduced in the manufacture of liquid measuring devices. : en es
  • US1941997A - Pry-out for switch boxes and the like : en
  • US1942352A - Welding torch : en
  • US1941678A - Electric gasifier : en
  • US1941780A - Dental flask press : en
  • USD91260S - Design for an ash tray : en
  • US1942143A - Crusher : en
  • US1942127A - Internal combustion engine : en
  • US1941557A - Method : en
  • US1941828A - Time controlled switch : en
  • US1941731A - Transmission line : en
  • US1941791A - Stoker ash dumping mechanism : en
  • US1941451A - Treatment of fibrous materials : en
  • GB403780A - Improvements in or relating to devices for cleaning the rakes of sewage screening and raking plants : en
  • CA338369A - Paper machine suction box : en fr
  • GB403951A - A pump with selecting device for liquids : en
  • US1942011A - Mechanical movement : en
  • US1941877A - Exercising ball : en
  • FR757846A - Articulated plantar heel counter for shoes and shoes : en fr
  • US1941523A - Film reel and support therefor : en
  • US1942267A - Device for sorting articles or packages into groups of various weights : en
  • US1941898A - Spraying device : en
  • USD91293S - Design for a textile fabric or : en
  • FR757892A - Improvements in the production of adhesive films : en fr
  • US1942107A - Engine starter : en
  • DK48218C - Process for the production of tetrahydrofurfuryl alcohol. : da en
  • CA338322A - Selecting system : en fr
  • DE590310C - Process for removing hydrogen cyanide from gases : de en
  • US1941463A - High tension electric distributing system and apparatus : en
  • US1941689A - Motor fuel : en
  • US1942144A - Rod handling apparatus : en
  • US1942164A - Induction meter : en
  • US1941992A - Base feed and staking machine : en
  • US1942286A - Attachment to reaping machines for the purpose of lifting fallen grain : en
  • US1942376A - Apparatus for simulated card games : en
  • US1941848A - Perforating attachment for printing presses : en
  • CA338371A - Lithographic sheet roughening method : en fr
  • FR42947E - Improvements to processes and apparatus for detecting defects in electrical conductors : en fr
  • US1942350A - Storage battery and method of making the same : en
  • US1941727A - Self-sealing dispenser for toothpaste and like commodities : en
  • US1942066A - Means and method for recording and reproducing photographic sound records : en
  • CA338316A - Electric battery : en fr
  • DE590625C - Device for distance measurement according to the echo method : de en
  • DE590433C - Process for the production of formaldehyde : de en
  • DE590420C - Safety device for steam boiler systems with mechanical induced draft system : de en
  • FR757808A - Flaky pastry products and their preparation process : en fr
  • DK48226C - Device for Conversion of Coke Element Boilers for Firing with Fine-grained Fuel. : da en
  • US1941943A - Sewing machine : en
  • FR757815A - Improvements to water heaters or steam generators : en fr
  • CA338420A - Sulphurized cinchona bark inhibitor : en fr
  • US1942313A - Pressure relieving check valve for flow lines : en
  • DK48232C - Bearing antenna system, consisting of a frame antenna and an auxiliary antenna whose electromotive force is less than the maximum electromotive force of the frame antenna. : da en
  • US1941513A - Apparatus for cleaning boiler tubes : en
  • USD91291S - Design for a service station : en
  • US1941472A - Transmitter tube circuit : en
  • USD91271S - Design for a basket : en
  • ES131103A1 - A procedure with its corresponding apparatus to order, collect and bind the continuous mode sheets, documents, books and publications of all kinds. : en es
  • ES2205U - Environment perfuming device. (Machine-translation by Google Translate, not legally binding) : en es
  • GB404617A - Process for the continuous manufacture of work-pieces, particularly the continuous machining of axle bearing housings and arrangements for performing the same : en
  • US1941873A - Pyrophoric lighter arrangement : en
  • US1942061A - Wound treating material : en
  • US1942265A - Straight-line cooking top range or stove : en
  • US1942237A - Fastening means for expansible bodies : en
  • CA338341A - Electrode for thermionic tubes : en fr
  • DE590457C - Connector for flexible pipes of brakes for motor vehicles : de en
  • DE590533C - Sound film cabinet with swiveling top : de en
  • GB403883A - Improvements in the manufacture of high molecular organic esters : en
  • US1941936A - Smoke eliminator and fuel : en
  • US1941789A - Bearing : en
  • US1942192A - Cotton harvester : en
  • US1942332A - Artificial finger nail : en
  • US1941514A - Box : en
  • US1942189A - Mechanism for controlling engine valve mechanisms : en
  • GB404007A - Improvements in and relating to methods and apparatus for the production of lead pigments : en
  • CA338321A - Electrolytic apparatus for sheet metal : en fr
  • US1941551A - Staybolt cap removing tool : en
  • US1941647A - Process for the manufacture of ether derivatives of 1-benzyl-3-methyl-isoquinoline : en
  • US1942173A - Method of treating steel : en
  • US1942262A - Method for determining location in progress over a given area : en
  • US1941627A - Remote control system : en
  • US1942086A - Fabric bag for fruits and vegetables : en
  • US1941512A - Mouthpiece for tobacco smoking devices : en
  • DE590567C - Setting machine with discharge control by a scanning device : de en
  • US1941906A - Refrigerator : en
  • CA338375A - Hydrocarbon gas conversion : en fr
  • US1941899A - Conveyer : en
  • US1942169A - Boiler : en
  • US1942377A - Friction draft gear : en
  • US1942202A - Rotator : en
  • GB403916A - Improvements in or relating to steam injectors : en
  • US1941859A - Cream separator : en
  • DE590556C - Method and device for removing hydrogen sulfide from gases : de en
  • FR757822A - Transmission on agricultural machine by hoist chain and indentation pulley : en fr
  • GB403720A - Improvements in or relating to traffic control signals : en
  • GB403777A - Improvements in or relating to hair curlers : en
  • GB404292A - An improved process for annealing alloys : en
  • GB403792A - Improvements in and relating to furnaces : en
  • CA338276A - Ice carrier : en fr
  • CA338319A - Chuck : en fr
  • US1941550A - Sponge holder : en
  • CA338305A - Steam heating system : en fr
  • US1942238A - Apparatus for grading mushrooms : en
  • US1941592A - Roasting pryites fines : en
  • US1941736A - Process of producing plastic pictures from metal foil : en
  • US1941994A - Gear pinion : en
  • US1942082A - Refrigerated meat grinder : en
  • US1941688A - Catalytic oxidation of organic compounds : en
  • CA338275A - Tire chain applying machine : en fr
  • GB403973A - Improvements in or relating to electronic amplifier valves : en
  • US1942147A - Contact finger for relays : en
  • US1942117A - Article separating and grading apparatus : en
  • CA338391A - Road guard : en fr
  • US1941934A - Process of gemming insoles : en
  • FR757862A - Protective paper tape for photographic reel films : en fr
  • US1941884A - Conversion of hydrocarbons into those of lower boiling point : en
  • US1942368A - Hydraulic pedal depressor : en
  • GB403786A - Improved record lifting means for use with automatic gramophones : en
  • ES2219U - Own metal container for the preparation of cookies, dry pasta and other similar pastry products. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403826A - Improvements in and relating to locks : en
  • FR42932E - Improvements to fluid meters : en fr
  • CA338340A - Food product processing : en fr
  • FR757817A - Process for the preparation of disazo dyes capable of being chromed : en fr
  • ES1763Y - Spigots for kitchens and gas appliances. : en es
  • US1941517A - Trellis : en
  • DE590494C - Support winding for live high-voltage conductors for oil transformers laid under oil : de en
  • US1942024A - Electrical interrupter : en
  • US1942305A - Typewriting machine : en
  • FR757867A - Process for the preparation of higher fatty acid amides : en fr
  • FR42905E - Ball joint development : en fr
  • FR757871A - Electrolytic cell for the production of chlorine and alkaline hydrates : en fr
  • ES2184U - Overlapping cannons for hunting shotguns united and aligned by means of flat surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • DE590481C - Process for the production of finely divided metal compounds : de en
  • US1941974A - Engine oiling system : en
  • DE590418C - Energy direction relay in three-phase networks with two coupled measuring units : de en
  • ES132589A1 - A process of producing light for therapeutic, photographic, penetration and other purposes. : en es
  • US1941810A - Curtain stretcher : en
  • FR757776A - Improvement of caps for casks : en fr
  • GB403735A - Improvements in or relating to golf balls : en
  • FR757751A - Reversible cuff or cuff enhancements : en fr
  • FR757849A - Improvements to electrical conductors : en fr
  • GB403809A - Improvements in coil winding machines : en
  • GB403872A - Improvements in or relating to a method of and means for eliminating rotational eccentricity of work spindles for machine tools : en
  • ES132424A1 - A new inked ribbon holder for typewriters. : en es
  • FR757818A - Lighting installation : en fr
  • GB403724A - A new or improved tap or cock : en
  • DE590456C - Spreader lever with symmetrical force distribution for shoe brakes of motor vehicles : de en
  • DE590353C - Device for measuring or regulating the speed : de en
  • DE590446C - Processes and devices for regulating the ventilation and heating of rooms of all kinds : de en
  • FR757852A - Device for automatic adjustment, during idling, of the engine speed of a vehicle provided with a freewheel mechanism : en fr
  • US1942263A - Steering mechanism : en
  • ES132499A1 - Procedure with its corresponding means for welding or metallizing metals. : en es
  • DE590329C - Measuring device for checking the conicity of collector lamellas while simultaneously checking the flatness of their flanks : de en
  • DK48237C - Oil product, suitable for Coating, Adhesive or Binder, and Procedure for the manufacture of the product. : da en
  • DE590554C - Process for dyeing cellulose esters : de en
  • US1941510A - Bag : en
  • US1941522A - Motion picture film spooling system : en
  • US1942106A - kottmann : en
  • FR757827A - Popular washing machine : en fr
  • GB403736A - Improvements relating to reamers for cylinders : en
  • US1942239A - Metal window frame : en
  • FR42920E - Improvements to purifiers and sorters : en fr
  • US1941730A - Trimming mechanism of typographical line casting machines : en
  • US1942003A - Knock-down leg for furniture : en
  • US1941504A - Harrow : en
  • US1942025A - Blade strip and method of making the same : en
  • USD91296S - Design foe a fabric : en
  • DE590240C - Device for draining auxiliary locomotives : de en
  • US1941787A - Draft gear : en
  • US1942159A - Bag folding machine : en
  • US1942282A - Funnel : en
  • CA338351A - Steel article manufacture : en fr
  • CA338410A - Liquid applying means : en fr
  • CA338363A - Amplifying circuit : en fr
  • US1942051A - Sterilizer : en
  • CA338320A - Chuck : en fr
  • CA338288A - Fluid meter : en fr
  • CA338409A - Mineral recovering machine : en fr
  • FR42941E - Automatic sensitivity adjustment device for radio receivers : en fr
  • GB403917A - Manufacture of symmetrical di-(arylamino)-hydroxybenzenes : en
  • US1941693A - Evaporator : en
  • US1941854A - Automobile jack : en
  • US1941929A - Nonrefillable container : en
  • US1941524A - Air filter apparatus : en
  • US1941674A - Jar sealer : en
  • US1941630A - Game apparatus : en
  • US1941771A - Production of dibenzanthrone : en
  • US1941782A - Reflecting base jewel mounting : en
  • US1942274A - Priming mixture : en
  • ES132304A1 - PROCEDURE FOR THE MANUFACTURE OF A MASS OF ARTIFICIAL STONE BASED ON CEMENT : en es
  • ES132313A2 - AN APPARATUS FOR COPYING FILMS FROM LENTICULAR RETICLE BY MEANS OF PROJECTION : en es
  • ES1639Y - Roll-up caps for metal cans. : en es
  • US1941471A - Mixing device for gases carrying : en
  • US1942205A - Blackboard eraser : en
  • US1942363A - Folding machine : en
  • US1941743A - Sewing machine : en
  • FR757764A - Improvements made to windows (patio doors, doors, etc.), established using metal profiles, especially those for buildings : en fr
  • GB403793A - Improvements in machines for seaming bottoms and covers for receptacles, especially those of large size : en
  • GB404615A - Improvements in elastic equipoising mechanisms : en
  • US1942062A - Process of refining a benzenoid : en
  • US1941723A - Straight hole drilling device : en
  • US1941910A - Filing device : en
  • US1941481A - Single thread sewing machine : en
  • US1942165A - Photo-electric tube : en
  • US1942085A - Air conditioning device : en
  • US1942246A - Water tight bag : en
  • US1942387A - Desk : en
  • US1941475A - Bleached condensation product of carbohydrates and crude hydrocarbons : en
  • US1942123A - Magneto : en
  • USD91289S - Design for a combined cigarette con : en
  • US1941931A - Lay for bobbin changing looms : en
  • US1941798A - Water cooler and method of cooling water : en
  • US1942083A - Refrigerated meat grinder : en
  • FR42933E - Improvements to signaling and control devices for vehicles or railroad trains and others : en fr
  • DE590320C - Electric saucepan with removable heating element : de en
  • US1941804A - Porous ceramic product and the manufacture thereof : en
  • DE590399C - Track light projector for motor vehicles : de en
  • DE590451C - Enhanced cinematographic film and process for making it : de en
  • ES132269A1 - Improvements in obtaining isopropyl alcohol. : en es
  • GB403839A - Improvements in weighing scales : en
  • GB403768A - Method of manufacturing low-carbon chromium alloys : en
  • ES2125U - Handles, handles and insulating gaskets for metal utensils in general (Machine-translation by Google Translate, not legally binding) : en es
  • FR757774A - Improvements to machine guns and automatic gas-operated firearms : en fr
  • DE590601C - Device for holding down the lid of cooking pots : de en
  • DE587920C - Device for the automatic planting of plants : de en
  • GB403929A - Improvements relating to cut-off machines : en
  • FR757821A - Mandatory control device in both directions, for electrical switches, inverters, combiners, etc., particularly used in t. s. f. : en fr
  • FR757879A - Device for damping noise from wheels in rail vehicles : en fr
  • US1941583A - Power operated shaving apparatus : en
  • US1941682A - Fifth wheel connecter for semitrailers : en
  • US1941851A - Flow valve for oil wells : en
  • US1941901A - Vehicle chair : en
  • US1941912A - Nonslipping surface and method of making the same : en
  • ES131827A1 - A procedure for the manufacture of a special sweet. : en es
  • ES132578A1 - A mechanical system to mount connections or outlets in pressure pipes. : en es
  • FR757755A - Vertical post for window frames and other similar applications : en fr
  • GB403936A - Improvements in flow controlling devices : en
  • FR42918E - Manufacturing process of endless flat wire rope tapes : en fr
  • CA338296A - Amusement device : en fr
  • US1941588A - Automatic clutch mechanism : en
  • DE590594C - Electrically heated hot water heater with built-in heating cartridge : de en
  • ES2178U - Portacorbatas. (Machine-translation by Google Translate, not legally binding) : en es
  • ES2209U - A new shaving machine (Machine-translation by Google Translate, not legally binding) : en es
  • GB403869A - Improved guard for guillotine cutting machines : en
  • GB403928A - Improvements in and relating to electric translating circuits : en
  • DE590395C - Vehicle wheel brake : de en
  • GB403718A - Improvements in or relating to prepayment gas meters : en
  • FR757872A - Improvements to air current tube mills : en fr
  • FR42929E - Advanced vibrator, more particularly intended for chipmaking machines : en fr
  • GB403772A - Improvements in and relating to the conveyance of nonhomogeneous mixtures : en
  • US1941505A - Combination garment : en
  • US1941559A - Stringed musical instrument : en
  • US1941896A - Photo-electric control of glass feeders : en
  • FR757887A - Device transmitting, through one or more tubes, the light emitted by a single luminous focal point : en fr
  • CA338352A - Wire treating method : en fr
  • US1941545A - Process for reducing the dust losses from shaft furnaces : en
  • US1941581A - Means to indicate resonance in a crystal resonator : en
  • US1941676A - Film gate for motion picture projection machines : en
  • DE590605C - Process for processing resinous over-vulcanized products obtained from rubber solutions : de en
  • CA338317A - Resistor unit : en fr
  • GB403837A - Improvements in underfeed stokers : en
  • US1941467A - Torch : en
  • US1941758A - Suction cleaner : en
  • US1942386A - Process for producing diphenyl mono-sulphonic acid : en
  • US1942041A - Alloy : en
  • GB403765A - Means for playing a new or improved board game : en
  • DE537878C - Auxiliary device for elongated airships tied to the mast : de en
  • CA338419A - Aeroplane frame : en fr
  • DE590482C - Production of magnesium sulphate monohydrate : de en
  • ES2181U - Overlapping cannons for hunting shotguns united and aligned by means of flat surfaces (Machine-translation by Google Translate, not legally binding) : en es
  • GB403802A - Improved method and apparatus for the removal of dust from articles of clothing : en
  • GB403993A - Sachel for pharmaceutic and like products : en
  • US1941669A - Semitrailer : en
  • US1942385A - Radio receiving circuit : en
  • US1942225A - Motor vehicle : en
  • US1942268A - Signaling device : en
  • USD91277S - Design for a ntjt cracker : en
  • US1941542A - Tuning arrangement : en
  • DE590591C - Small synchronous motor, especially for driving clocks and other timers, with flexible field poles : de en
  • ES1750Y - Guarantee closure device for bottles. : en es
  • CA338289A - Acoustic wall : en fr
  • US1942043A - Method of producing metallic fastener blanks : en
  • US1942304A - Shaft and process of applying noncorrosive metallic sheathing thereto : en
  • CA338387A - Railway truck : en fr
  • CA338277A - Grating or screen cleaning apparatus : en fr
  • DE590368C - Type lever drive for typewriters : de en
  • GB403851A - Improvements in the manufacture of films from cellulose derivatives : en
  • US1941537A - Seepage joint : en
  • US1941866A - Safety gas grate : en
  • US1942134A - Interlocking system for railroads : en
  • US1941870A - Electrical musical instrument : en
  • US1941591A - Sound transmission circuits : en
  • US1942161A - Camera mount : en
  • US1941450A - Air filter : en
  • US1942208A - Means for obtaining lead in metallic condition : en
  • US1941520A - Self-sealing tube : en
  • CA338386A - Exhaust valve seat insert : en fr
  • ES2201U - Container with valve closure under hermetic seal. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403899A - Improvements in and relating to radiant heat installations : en
  • US1941904A - Tape easel for page printers : en
  • US1941853A - Shoe : en
  • US1942034A - Road building machine : en
  • DE579824C - Detachable cable connection for electromagnetic rail brakes : de en
  • ES132008A1 - Process for the preparation of aqueous solutions of heavy metal combinations of the halogenated aromatic sulphonamides. : en es
  • CA338303A - Engine safety device : en fr
  • US1942346A - Process for the manufacture of cellulose solutions : en
  • US1941938A - Conveying apparatus : en
  • USD91304S - Design for a textile fabric or : en
  • US1941465A - Built-up pipe fitting : en
  • US1942077A - Lubricated bearing : en
  • US1942100A - Propeller : en
  • US1942389A - Process for making benzoic acid : en
  • US1941815A - Fluid pressure operated device : en
  • US1942150A - Alloy for surgical needles : en
  • DE590275C - Stiffening fabric : de en
  • US1941614A - Pothead or terminal for electric cables : en
  • ES2220U - Metallic closure device for spherical body bottles for packaging confectionery and chocolates. (Machine-translation by Google Translate, not legally binding) : en es
  • DE590270C - Watercraft : de en
  • ES1729Y - Vaults composed of several pieces for floors and ceilings in all kinds of buildings. : en es
  • ES2186U - Overlapping cannons for hunting shotguns, united and aligned by means of flat surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • DE590579C - Process for the preparation of cyclic ketones : de en
  • FR42934E - Elastic fabric : en fr
  • FR757886A - New device in a set allowing the coded lighting of the bicycle by a single light source : en fr
  • DE590623C - Beer catcher : de en
  • DE590327C - Compasses with reversible double inserts : de en
  • ES2195U - Adjustable portable screen for reflector for indirect electric lighting. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757866A - Improvement in ionic valves : en fr
  • FR757848A - Advanced handle for golf clubs or similar rods : en fr
  • US1942228A - Means for holding articles : en
  • DE590521C - Washing device for field crops : de en
  • FR757873A - Improvements to devices used to project screen views in natural colors : en fr
  • GB404006A - Improvements in and relating to the wheels and axles of tractors and like self-propelled machines : en
  • GB403746A - Improvements in or relating to studs : en
  • DE590495C - Oil circulation device for electrical transformers or similar electrical devices depending on the electrical load : de en
  • DE590477C - Depositing device for pieces of dough : de en
  • ES132239A1 - Diameter apparatus with series spark gauge. : en es
  • FR757839A - Improvements in the manufacture of elastic fabrics : en fr
  • FR757850A - Improvements to the doors : en fr
  • US1941864A - Cooling and ventilating device : en
  • GB403799A - Improvements in flexible or indestructible wings or mudguards for motor vehicles, cycles and the like : en
  • GB404301A - Improvements in apparatus for distributing seed, manure and the like : en
  • US1941891A - Conveyer system : en
  • US1942088A - Adjustable strut for stagings : en
  • GB403918A - Improved method of cutting jacquard cards : en
  • US1941527A - Air heater : en
  • US1941966A - Cutting, trimming, and ornamenting machine : en
  • US1941982A - Filtering device : en
  • US1941580A - Cooker : en
  • US1941786A - Portable hand toothpowder dispenser : en
  • DE590393C - Process for the production of screen meshes for screening and sifting systems that can be applied to screen frames : de en
  • ES132537A1 - A method of manufacturing covers for the wheels of motor vehicles. : en es
  • ES131821A1 - Procedure for performing sterile and resorbable sutures and surgical attachments. : en es
  • FR757856A - Belt and feet assembly device applicable to furniture to facilitate dismantling : en fr
  • GB403725A - Improvements in or relating to electrical recording instruments : en
  • ES131845A1 - Perfections in machine guns. : en es
  • ES132289A1 - A system of lighting for vehicles. : en es
  • FR757891A - Advanced easel stand for pharmaceutical ampoules or the like : en fr
  • GB403860A - Improved processes for making magnesium hydroxide : en
  • DE590544C - Trap for motor vehicles : de en
  • ES132591A1 - An improved process for the manufacture of tire covers. : en es
  • DE590455C - Locking mechanism for motor vehicles that acts in both directions of rotation : de en
  • DE590309C - Process for the continuous introduction or discharge of solid substances into or out of pressure vessels : de en
  • USD91298S - Design for a secretary : en
  • US1942130A - Automobile map mileage indicator : en
  • US1942333A - Ophthalmic lens : en
  • FR757790A - Lady's bag with pocket tab : en fr
  • GB403984A - Tool for cutting screw threads : en
  • US1941659A - Insect trap : en
  • USD91299S - Design for lace : en
  • GB403807A - Device for trimming the side faces of weaving shuttles or the like : en
  • US1941765A - Windshield warmer : en
  • US1942160A - Process for recovering alkaloids from cocoa products : en
  • USRE19040E - Brake mechanism : en
  • US1941635A - Sanitary and antiseptic sputum cup : en
  • DE590290C - Device and circuit arrangement for signaling systems, in particular guard control systems : de en
  • DE590542C - Tank bullet : de en
  • FR757895A - Advanced tread : en fr
  • US1942048A - Indirect exhaust system : en
  • US1942093A - Form for concrete floor construction : en
  • US1942094A - Flow control apparatus : en
  • US1941461A - Manufacture of sugar : en
  • US1942109A - Process of preparing peanut flour : en
  • US1941562A - Manufacture of steel : en
  • ES131973A3 - Improvements introduced in the manufacture of billiards. : en es
  • IE13286L - Vertically-rising aircraft : en
  • GB404008A - Sizing machines : en
  • US1941774A - Dump car : en
  • US1942015A - Process for obtaining metals from siliceous rocks : en
  • CA338388A - Oil burner ignition device : en fr
  • US1941546A - Step control system : en
  • AU1578434A - Television transmission method : en
  • US1942079A - System of and apparatus for gunfire control : en
  • USD91265S - Design fob a coffee percolator : en
  • USD91263S - Design for a turret support for : en
  • US1941454A - Door operating mechanism : en
  • US1941576A - Combined door catch and buffer : en
  • US1942370A - Changeable head : en
  • GB403795A - Improvements relating to gas heated water heaters : en
  • GB403870A - Improvements in and relating to pipe or tube connections : en
  • GB403867A - Improvements in and relating to cigar making machines : en
  • CA338311A - Sliding fastener : en fr
  • CA338373A - Sheet rubber product : en fr
  • US1942322A - Knitting machine : en
  • CA338286A - Lantern and lamp : en fr
  • DE590244C - Process for increasing the image brightness of zone-wise scanned and composite television images : de en
  • FR757884A - Coating, coating or their equivalent for surface protection : en fr
  • US1941606A - Metallurgical apparatus : en
  • US1941653A - Proofing dough : en
  • US1942038A - Corset : en
  • US1942334A - Attachment for removing cigarettes from cigarette packages : en
  • US1942047A - Arc welding : en
  • US1942105A - Apparatus for the lighting of luminescent tubes : en
  • US1942112A - Collapsible chair : en
  • US1942221A - Method of making propeller blades : en
  • DE590335C - meat grinder : de en
  • US1941509A - Bag : en
  • US1941742A - Louver-type radiator grille : en
  • CA338413A - Calcium sulphate plaster : en fr
  • DE590530C - Switching device for several separate circuits : de en
  • US1941570A - Store front sash : en
  • US1941923A - Beater element for pulverizing apparatus : en
  • US1942374A - Process of distilling tar and recovering oils with apparatus therefor : en
  • GB403888A - Process for the production of powder from ductile metals, especially magnesium : en
  • US1941916A - Combined keyboard transmitter and perforated tape transmitter : en
  • US1941959A - Slip and method of making same : en
  • US1942326A - Matrix-setting and type-linecasting machine : en
  • US1941754A - Web cutting and sheet forwarding mechanism : en
  • US1942303A - Screen : en
  • US1942176A - Lock : en
  • DE590550C - Fermentation process for the production of yeast and alcohol : de en
  • FR42950E - Consolidation and waterproofing process for soil layers and rock masses : en fr
  • GB403770A - A method for improving the combustion of fuels : en
  • US1941805A - Injection engine : en
  • US1941878A - Suction gathering bottle machine with overlapping cycles : en
  • GB403806A - Improvements in and relating to steel alloys : en
  • GB403868A - A process for the manufacture of tea free from theine or caffeine : en
  • US1941672A - Brake shoe and method of making the same : en
  • CA338260A - Fishing fly holder : en fr
  • US1942145A - Perforating die : en
  • CA338295A - Vapour generator : en fr
  • US1941498A - Balustrade for moving hand rails : en
  • US1941965A - Brake : en
  • US1942148A - Aircraft wing structure : en
  • US1942298A - Eyeglasses : en
  • US1941796A - Process of applying abrasive : en
  • US1941802A - Apparatus for manufacturing earthenware : en
  • US1942146A - Impregnated and superficially smoothed article : en
  • CA338362A - Foot corrective shoe : en fr
  • US1942081A - Wind motor for wells : en
  • US1941568A - Container : en
  • US1941586A - Speed boat : en
  • US1942158A - Clutch operating mechanism : en
  • US1942311A - Inner tube drier : en
  • US1941690A - Scrubbing machine : en
  • DE590583C - Device for printing or etching of cylindrical objects, preferably made of glass : de en
  • US1942172A - Pile-forming and delivery means : en
  • US1942212A - Method of merchandising preserved fruits : en
  • GB403741A - Improvements in and relating to the tobacco feeding mechanism of cigarette-making machines : en
  • DE590606C - Protective cover for hat shapes : de en
  • US1941809A - Art of hydrogenating and distilling oil shale : en
  • US1941604A - Conveyer : en
  • US1941648A - Ferrous alloy : en
  • USD91279S - Design for a spectacle frame : en
  • GB403794A - Control valve for compressed air brakes : en
  • GB403879A - Envelopes and paper for correspondence : en
  • FR42948E - Diesel-electric locomotive : en fr
  • US1941729A - Magazine adjusting device for typographical composing machines : en
  • US1942032A - Fruit shipping carton : en
  • USD91300S - Design for an automobile radiator : en
  • CA338382A - Line spacing mechanism : en fr
  • GB404270A - Improvements in aircraft : en
  • CA338345A - Cigar head knurling and punching device : en fr
  • DE590458C - Security device against theft of motor vehicles : de en
  • IE12975L - Lighting installation : en
  • ES2204U - An own device to imprison the head to the middle part or extremity of the legitimate or imitated skins of the animals, usable as boa (Machine-translation by Google Translate, not legally binding) : en es
  • ES132213A3 - A device designed to replace the function of different electrical parts of a car in case of failure of any of them. : en es
  • US1941666A - Machine for preparing or spinning yarns or threads : en
  • US1942271A - Sprinkler : en
  • US1941686A - Steam boiler : en
  • CA338358A - Stove : en fr
  • US1942084A - Glass transfer mechanism : en
  • ES132495A1 - A procedure for assembling letters with propellers for the construction of sheds for the reproduction of advertisements and ornaments. : en es
  • US1941582A - Hoist attachment for trucks : en
  • US1941808A - Emulsifier : en
  • US1942103A - Heater casing : en
  • US1941624A - Photographic apparatus : en
  • FR757972A - Systems for the transmission of electric waves along a dielectric guide : en fr
  • GB404662A - Improvements in or relating to remote control means for railway reciprocating engines : en
  • ES132291A1 - Procedure for the manufacture of waterproof footwear by means of a waterproof coating, applicable to espadrilles, slippers, boots and leggings of fabric or other similar types of footwear. : en es
  • US1941502A - Thermostatic switch : en
  • US1941569A - Manufacture of zinc oxide : en
  • ES1871U - Automatic safety and economy valve for tanks or tanks for gasoline, petroleum, alcohol or similar materials. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403910A - Improvements in and relating to means for attaching cams to shafts : en
  • FR42904E - Automatic aerodynamic stabilizer for airplanes : en fr
  • US1941893A - Hosiery drying apparatus : en
  • DE590616C - Jet pipe with changeable mouthpiece width : de en
  • US1942156A - Globe holder : en
  • DE590492C - Radio receiver : de en
  • US1942245A - Egg separating apparatus : en
  • US1941610A - Process for decomposing ores : en
  • US1941857A - Antiskid device for car wheels : en
  • US1941888A - Manifolding device : en
  • US1941911A - Calculator : en
  • US1941867A - Pasting mechanism for stitching machines : en
  • GB403947A - Improvements in electric condensers : en
  • CA338293A - Corrugating apparatus : en fr
  • US1941598A - Machine for turning and grinding : en
  • US1941607A - Cigarette extinguisher and ash tray : en
  • GB403853A - Improvements in door supports : en
  • GB403925A - Improvements in or relating to trolley bases for electric vehicles : en
  • DE590445C - Drawer runners : de en
  • FR757788A - Film reel camera : en fr
  • DE590416C - Selective protection circuit against earth faults for meshed networks or against frame faults for electrical generators : de en
  • GB404300A - Process for deoxidizing steel : en
  • GB403813A - Improvements in or relating to electric discharge devices and circuits associated therewith : en
  • FR757786A - Process for reducing the electric charge of artificial leaves and other artificial products produced by means of colloid with a high degree of polymerization : en fr
  • DE590469C - Method and device for the production of ammonium nitrate : de en
  • DE590479C - Recovery machine with throwing shovel thrown by spring force : de en
  • GB403983A - Improvements in machines for pressing and moulding articles of glass : en
  • GB403769A - A combination pocket tool : en
  • US1941830A - Venetian blind operating mechanism : en
  • FR757761A - Windshield for tedders or swath rakes : en fr
  • GB403752A - Improvements relating to the remote control of boiler feedwater regulators and the like : en
  • GB403927A - Improvements in and relating to organs : en
  • GB404035A - Packing device for solid edible articles of tetrahedral shape : en
  • DE590487C - Letter embossing press : de en
  • DE590546C - Square or round collapsible transport container or container : de en
  • US1941950A - Bobbin guide : en
  • US1941779A - Glass tank : en
  • DE590407C - Traffic light column : de en
  • GB403773A - Improvements in automatic gramophones : en
  • GB403935A - Improvements in coin delivering apparatus : en
  • FR42923E - Cooling process for thermal engines : en fr
  • GB403743A - Improvements in and relating to vacuum braking apparatus : en
  • DE590234C - Method of purifying trinitrotoluene : de en
  • ES132563A1 - A procedure for the manufacture of frames for footwear. : en es
  • DE590412C - Process for the production of a cylindrical, rubber-coated forming roller for printing line sheets and the like. like : de en
  • DE590581C - Process for the preparation of 4-aminodiphenylamine derivatives : de en
  • US1942191A - Process for the heat treatment of liquids : en
  • USD91303S - Design for a textile fabric or : en
  • DE590472C - Process for the preparation of trisazo dyes : de en
  • FR757800A - Headlight or lantern glass, in particular for vehicles : en fr
  • DE590483C - Method for the absorption of isobutylene : de en
  • US1942174A - Material for making decorative devices such as artificial flowers, etc., and method of making such material : en
  • US1941516A - Left foot feed : en
  • FR42940E - Further development of spark plugs for combustion engines : en fr
  • GB403856A - Improvements in power transmission devices : en
  • DE590422C - Sowing device for push-wheel seed drills : de en
  • ES132565A1 - Improvements in the revolving beds for cures. : en es
  • FR757883A - Improvements in the polishing of hydraulic <<cement>> materials : en fr
  • GB403854A - Improvements in receptacles for waste paper, smokers' ash or other refuse, also applicable to ink-wells : en
  • GB403811A - Improvements in and relating to railway tracks : en
  • GB403832A - Improvements in or relating to electrical oscillation generating arrangements : en
  • GB403822A - Improvements in stringed musical instruments : en
  • GB403750A - Improvements in the manufacture and production of artificial materials : en
  • GB403887A - Machine for removing wool from dead skins : en
  • FR757842A - Monolithic cellular partition in reinforced concrete, and element for its construction : en fr
  • GB403882A - Improvements in the manufacture of high molecular organic esters : en
  • GB404634A - Improvements in and relating to picture hangers : en
  • FR42910E - Induction furnace cooling improvements : en fr
  • FR757869A - Tapping device for liquids and viscous materials : en fr
  • DE590220C - Intermediate chamber for multi-chamber mills : de en
  • USD91269S - Design for a neo-classic bathroom : en
  • US1941652A - Convertible excursion outfit : en
  • US1941907A - Seat attachment for dental chairs and the like : en
  • ES2214U - Soap-capsule perfected for bottles and bottles intended to contain soft drinks (Machine-translation by Google Translate, not legally binding) : en es
  • FR757780A - Freewheel with two independent toothed rings : en fr
  • US1942367A - Hand pump for greases, etc. : en
  • US1941728A - Tobacco stringing lath holder : en
  • CA338349A - Underfeed stoker : en fr
  • DE590598C - Sofa bed : de en
  • FR757875A - Method of fixing sheet bundles on the various elements of an electrical machine : en fr
  • US1941963A - Clutch : en
  • US1941999A - Stock feeding collet : en
  • US1941932A - Lock : en
  • US1942200A - Window construction : en
  • US1942255A - Primer for gas engines : en
  • US1942021A - Apparatus for carrying out exothermic chemical reactions : en
  • US1942344A - Obstetrical table : en
  • US1942181A - Mechanism for controlling delivery vehicles : en
  • ES132316A3 - A procedure for manufacturing rubber footwear. : en es
  • US1941750A - Method of thermically coating objects of iron or steel with aluminum or aluminum alloy : en
  • USD91276S - Design for a dress buckle : en
  • GB403919A - Improvements in and relating to railway switch mechanism : en
  • ES132246A1 - Improvements in television systems. : en es
  • GB403766A - Improvements in coal tongs and method of producing same : en
  • US1942335A - Binder packer arm and pitman : en
  • US1941585A - Radio beacon system : en
  • ES132567A1 - A stop mechanism for mechanical looms that acts directly on the fulcrum. : en es
  • GB403778A - Improvements in or relating to permanent magnets : en
  • DE590489C - Rail fastening on iron trough sleepers with flanges rolled on the sides : de en
  • ES132347A1 - Procedure of construction of containers for fruits. : en es
  • DE590551C - Stain removers and detergents : de en
  • GB403816A - Improvements in or relating to lamp-shades : en
  • GB403857A - Thermal relay : en
  • DE584658C - Device for the production of envelopes, paper bags or the like. : de en
  • US1942301A - Furniture : en
  • CA338356A - Shoe protecting method : en fr
  • DE590338C - Barrel replacement device : de en
  • GB403831A - Improvements in and relating to charts and graphical representations : en
  • GB403838A - Process for the manufacture of unsaturated ketones : en
  • GB403924A - Improvements in railway vehicles : en
  • FR757844A - Vending machine : en fr
  • GB403894A - Improvements in or relating to filing registers : en
  • US1941838A - Display device : en
  • USD91286S - Design fob a liquid refreshment : en
  • IE13492L - Glue films : en
  • US1941900A - Testicular extract and method of making the same : en
  • DK48233C - Procedure for the manufacture of rubber footwear and the like. : da en
  • US1941875A - Peach pitting support and tip cutter : en
  • US1941949A - Submarine mine-layer : en
  • CA338270A - Fabricated wood block : en fr
  • ES132284A1 - Improvements in the equipment for the manufacture of footwear with rubber floor. : en es
  • ES2216U - Hanger for soap bars. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403757A - Improvements in ladders for fire escapes, water towers and the like : en
  • GB404009A - Improvements in or relating to knitted articles of clothing : en
  • GB403748A - Improvements relating to the manufacture of jars, bottles and like vessels of pottery ware : en
  • GB403848A - Washing process and apparatus for separating dust from gases : en
  • FR42942E - Automotive device protecting against glare : en fr
  • DE590575C - Device to accelerate the fermentation of beer in storage tanks : de en
  • FR757834A - Valve injector for masonry joints and the like : en fr
  • ES132060A1 - A procedure with the corresponding apparatus to automatically regulate the position of hydraulically actuated prey. : en es
  • DE590572C - Device for conveying materials in pipelines : de en
  • FR757833A - Ground connection in particular for accumulator battery of motor vehicles or other applications : en fr
  • US1942184A - Window shield wiper : en
  • DE590490C - Device for transmitting line signals to the moving train : de en
  • DE590602C - Kitchen stove with a boiler enclosing the combustion chamber : de en
  • ES131684A1 - Procedure for the construction of a wing intended for flying vehicles and divided into semi-wings of independent orientation. : en es
  • ES2193U - A device for closing containers for liquids (Machine-translation by Google Translate, not legally binding) : en es
  • ES132287A1 - A single-wheel trailer for cars and similar vehicles. : en es
  • US1941967A - Metal floor construction : en
  • US1942256A - Wall plug : en
  • GB403952A - Improvements in and relating to reflecting signs for roads and streets : en
  • GB403819A - Improvements in or relating to solid fuel heating apparatus : en
  • FR757760A - Hydraulic force transmission device : en fr
  • ES131775A1 - A bakery and pastry oven with a fixed and closed chamber. : en es
  • ES2183U - Overlapping cannons for hunting shotguns, united and aligned by means of flat surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • ES132277A1 - A device that emits hot air at adjustable temperature and pressure. : en es
  • GB403865A - Improvements in or relating to television and like short wave receiving and distributing systems : en
  • CA338279A - Inflatable rubber goods : en fr
  • DE590636C - Process for the production of resinous condensation products : de en
  • ES131946A1 - New procedure for browning biscuits, cakes, bread and similar products. : en es
  • GB403759A - Improvements relating to settees, lounge chairs, chairs, tables and the like : en
  • US1941762A - Window and door adjusting and holding mechanism : en
  • US1942101A - Lubricating device and system : en
  • ES131495A1 - Process for obtaining copper alloys with higher lead contents, particularly as a construction material for support bearings to be disposed on axle stubs of vehicles on rails, without soft metal lining. : en es
  • AU1081633A - Improvements in and relating to visible card filing appliances : en
  • FR42949E - Differential planetary gear speed reducer : en fr
  • US1941928A - Material for scouring devices : en
  • US1942206A - Engine : en
  • US1941793A - Retting process of textile materials : en
  • US1941466A - Sectional manifold : en
  • US1941611A - Wind driven electric power generator with pumping attachment : en
  • US1941964A - Carrying rope : en
  • US1942289A - Vehicle headlight control apparatus : en
  • CA338301A - Safety razor : en fr
  • ES2199U - Floating suit. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757797A - Tube closure : en fr
  • DE590367C - Machine for writing shorthand and plain text for all languages : de en
  • DE590432C - Process for the preparation of addition compounds of hypochlorous or interruptive acid with organic compounds : de en
  • ES132300A1 - Improvements in the manufacture of fuel briquettes, based on carbonaceous material. : en es
  • ES2211U - A toy (Machine-translation by Google Translate, not legally binding) : en es
  • US1941894A - Drilling machine : en
  • ES132564A1 - A mechanical billiard. : en es
  • US1942320A - Window balancing device : en
  • US1942318A - Reversing mechanism : en
  • DE590463C - Control for the top hatch of a movable weir : de en
  • DE590522C - Four-stroke internal combustion engine with oscillating cylinders : de en
  • ES1851U - Closing mechanism comprising a fixed lid rotating on a base. (Machine-translation by Google Translate, not legally binding) : en es
  • CA338378A - Fuel gas apparatus : en fr
  • US1942152A - Process of weaving : en
  • CA338292A - Heat exchanger : en fr
  • CA338334A - Sound reproduction system : en fr
  • FR42943E - Gasifier for the use of heavy oils in gasoline engines : en fr
  • GB403733A - Improvements in locks for the doors of safes, strong rooms and the like : en
  • DK48238C - Process for the treatment of bituminous substances for the preparation of aqueous dispersions thereof. : da en
  • US1942218A - Mechanism for manufacturing tensionless low-twist wire ropes : en
  • CA338381A - Electrically welded tubular article : en fr
  • US1942056A - Hen's nest : en
  • US1941748A - Slug casting machine : en
  • US1942054A - Process of purifying a hydrocarbon gas and a hydrocarbon oil : en
  • US1942384A - Method of and instrument for measuring surge currents : en
  • DE590299C - Automatic dough dividing machine : de en
  • GB403797A - Improvements relating to carburettors for internal combustion engines : en
  • US1942244A - Mechanical jack : en
  • US1942236A - Elevator dispatching system : en
  • CA338329A - Electronic grid : en fr
  • ES132040A1 - Device for the production of high voltage alternating current, especially for light tubes, medical devices and the like. : en es
  • FR42917E - Device for unwinding cables from their reels or coils, for laying lines : en fr
  • FR757763A - Process for making fatty glycerides containing more combined glycerin than ordinary glycerides : en fr
  • DE567618C - Claw oil replacement : de en
  • FR757762A - Electric transmission device : en fr
  • ES132299A1 - Improvements in the manufacture of fuel briquettes, based on carbonaceous material. : en es
  • US1941811A - Core pulling and ejecting mechanism : en
  • US1941812A - Machine for the production of a plurality of substantially similar units : en
  • US1941981A - Scale : en
  • US1942120A - Hydrogenation system : en
  • US1941499A - Continuous automatically controlled absorption system : en
  • US1941664A - Composition and material comprising cellulose esters or ethers : en
  • US1941709A - Method of coating and product thereof : en
  • CA338416A - Railway truck : en fr
  • US1941696A - Photographic objective : en
  • US1942252A - Device for killing flies and other insects : en
  • US1942391A - Airplane wing spar : en
  • US1941616A - Aircraft control system : en
  • US1942001A - Shoe : en
  • US1942307A - Refrigerator : en
  • GB403827A - Improvements in and relating to valve lifting devices : en
  • DE590328C - Filler pen : de en
  • US1941500A - Internal combustion engine-electric installation for vehicles : en
  • US1941799A - Aircraft propelling and controlling mechanism : en
  • US1942292A - Towel service cabinet : en
  • US1941820A - Liquid fuel burner : en
  • US1942291A - Game board : en
  • DE557354C - Process and device for the production of hollow paper bodies from pulp water by the couching process : de en
  • DE590405C - Device to protect against the ingress of cooling water into the sliding guide and the storage of the grinding spindle in grinding machines : de en
  • GB403804A - A new or improved mechanical toy : en
  • CA338332A - Stapling machine : en fr
  • CA338401A - Drawer slide : en fr
  • US1941470A - Lighting fixture : en
  • US1941503A - Lighting device : en
  • US1941961A - Automobile radio set : en
  • IE12322L - Cases for holding bottles : en
  • ES132254A1 - Improvements in the pneumatic motors. : en es
  • ES132582A1 - A procedure, with the corresponding coupling, to maintain an electric current constant. : en es
  • US1941518A - Art picture : en
  • US1942108A - Hybroxy-benzo-quinoline-cab : en
  • USD91273S - Design for a dresser or similar : en
  • FR757756A - Coupling head allowing coupling in two different ways and particularly intended for steam-heated couplings of railway vehicles : en fr
  • US1942204A - Self cleaning dust mop : en
  • US1942248A - Container for adhesive and the like : en
  • US1941760A - Method of producing valuable prod : en
  • US1941818A - Testing device : en
  • US1942270A - Fluid mixer : en
  • US1942020A - Oil well pump : en
  • FR757791A - Mechanical spinning broom : en fr
  • CA338325A - Aldehyle and ketone condensation product : en fr
  • GB403941A - Improvements in cooking and kitchen apparatus : en
  • US1942183A - Diaphragm for electrolytic cells : en
  • CA338278A - Wall cabinet : en fr
  • DE590633C - Process for the production of alkali sulfates : de en
  • ES2218U - Comb of elastic rubber or other soft and elastic material for shaving machines. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757784A - Improvements in the form of casting and suspension of the bells, as well as in the suspension of the bells : en fr
  • US1941482A - Drain valve : en
  • CA338331A - Asphaltic coating composition : en fr
  • US1941768A - Bearing : en
  • US1942030A - Disk brake : en
  • USD91301S - Design for a textile fabric or : en
  • US1941625A - Dark slide : en
  • US1942276A - Automobile jack : en
  • US1942017A - Machine for wrapping cakes or the like : en
  • GB403900A - Improvements relating to padded rollers for ironing machines : en
  • US1942375A - Method of coal and tar distillation : en
  • ES131399A1 - An automatic indicator and recorder of the speeding of mechanical traction vehicles. : en es
  • ES131846A1 - Improvements in the manufacture of friction lighters. : en es
  • FR757752A - Packaging for powdery or granular products : en fr
  • US1941993A - Propelling mechanism for tube forming machines : en
  • DE590526C - Device for readjusting the axial and radial play of the hollow spindles of machine tools : de en
  • CA338346A - Carbureter : en fr
  • GB403886A - Improvements in gear grinding machines : en
  • GB403880A - An improved method and means for banding boxes or similar articles : en
  • CA338367A - Radio receiver remote control : en fr
  • US1941483A - Table : en
  • US1942348A - Log for cabins and the like : en
  • GB403812A - Improvements in or relating to apparatus for the manufacture, hardening and storing of ice cream : en
  • US1941469A - Lighting fixture : en
  • US1942229A - Razor sharpening device : en
  • US1942284A - Electric insulator : en
  • US1942290A - Refrigerator lighting structure : en
  • US1941468A - Belted coat : en
  • US1941657A - Spring mechanism : en
  • US1941700A - Dual action deluge valve : en
  • US1942285A - Automatic adjusting system : en
  • DE590454C - Towing device for damaged vehicles consisting of a single-axle chassis : de en
  • ES128893A3 - A device to facilitate the use of carbon paper for typewriting copies. : en es
  • FR757805A - Vehicle lighting and ventilation device : en fr
  • US1941645A - Differential gearing for motor vehicles : en
  • CA338259A - Paint spraying apparatus : en fr
  • USD91282S - Design fob a toilet paper holder : en
  • CA338361A - Digester system : en fr
  • US1942016A - Saw filing device : en
  • CA338274A - Electrolytic white lead production : en fr
  • CA338398A - Lubricating oil : en fr
  • US1941772A - Soldering jig : en
  • US1941800A - Paste distributor : en
  • US1942331A - Method and double stocking blank for manufacturing stockings : en
  • FR757773A - Fixing device for sockets in fixtures and portable lamps : en fr
  • US1941956A - System of electrodes for electric glow discharge tubes : en
  • US1942080A - Heater for indirectly heated cathodes : en
  • US1942199A - Carburetor : en
  • USD91288S - Design for a handle : en
  • US1941885A - Steam condenser controls for moving vehicles : en
  • US1941948A - Device for use in waving or curling the hair : en
  • ES2210U - Template for footwear. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403840A - Improvements in sensitising silver halide emulsions : en
  • US1942078A - Electric illuminating apparatus : en
  • US1942243A - Plate depositing table for casting machines : en
  • DE590503C - Ceiling beams : de en
  • US1942361A - Slide buckle : en
  • US1941612A - Attachment plug cap : en
  • US1942341A - Ground clamp : en
  • US1941871A - Container : en
  • US1942209A - Machine tool : en
  • US1941785A - Cushion construction : en
  • US1941883A - Cork sifter : en
  • US1942075A - Charting device : en
  • US1941801A - Motorcycle protecting guard : en
  • US1942071A - Process of purifying hydrocarbon oil from hydrogen sulphide : en
  • US1942381A - Fluid cleaning apparatus : en
  • US1941456A - Grinding gauge : en
  • US1942018A - Resilient wheel : en
  • US1941680A - Paper-carton opener : en
  • DE590414C - Zipline indicator, especially for systems to regulate the flow of freight trains on drainage mountains : de en
  • FR757966A - : fr
  • DE590444C - Process for the treatment of metals, especially iron alloys, in the liquid state for the purpose of producing porous castings : de en
  • GB403948A - Improvements in or connected with cylinder grinders and the like : en
  • FR757840A - Closure of collars of shirts or the like : en fr
  • FR757890A - Improvements relating to a balancing device : en fr
  • CA338273A - Headlight adjusting device : en fr
  • FR757835A - Method for producing a sound-emitting membrane installation comprising a polarized emitter : en fr
  • ES2223U - Packaging for fruits mainly and in general all kinds of products particularly characterized by the closure (Machine-translation by Google Translate, not legally binding) : en es
  • GB403817A - Improvements in controlling devices for variable speed gearing, particularly for motor vehicles : en
  • GB403803A - Improvements in bag-sewing apparatus : en
  • GB403901A - Improvements in and relating to piston packings : en
  • US1941707A - Automatic fare box : en
  • US1942316A - Stream line wire wrench : en
  • ES131979A3 - Improvements introduced in the manufacture of billiards. : en es
  • FR757798A - Control of axially movable work spindles in machine tools : en fr
  • FR42936E - Machine for checking, printing and reclassifying coupons, tickets, sheets, strips of paper, etc. : en fr
  • FR757794A - Small diameter piston of the kind used in sprayers : en fr
  • GB403785A - Means of supporting moveable floors, platforms, base plates and the like : en
  • US1941988A - Dust collector : en
  • FR42925E - Process for the preparation and fixing of photographic layers obtained with diazosulfonates : en fr
  • GB403825A - Improvements in excavators : en
  • ES132549A1 - A process for the manufacture of fluted aperitif liquids. : en es
  • FR757830A - Cooling device for cinematographic devices : en fr
  • GB403871A - Apparatus for drying oleiferous fruits : en
  • FR42935E - Reservoir pen holder : en fr
  • US1941596A - Valve shield : en
  • US1941717A - Sanitary appliance : en
  • US1941745A - Measuring dispensing bowl or receptacle : en
  • US1942126A - Variable pitch propeller : en
  • FR757855A - Feeder with automatic opening and closing : en fr
  • ES132496A1 - A procedure and generator for the gasification of fuels of considerable specific weight. : en es
  • GB403873A - Improvements in or relating to the wrapping of oranges, lemons, apples or similarly shaped fruit or articles : en
  • US1941525A - Conveyer : en
  • US1941913A - Electric cable : en
  • US1941751A - Fountain brush : en
  • US1942133A - Electric insulator : en
  • ES131583A3 - Manufacturing process for impregnating masses and adhesives. : en es
  • ES131990A1 - A procedure for producing fuel gas from the oil. : en es
  • US1941983A - Metallurgy of iron : en
  • US1942166A - Dispensing machine : en
  • US1942210A - Universal folding ladder : en
  • USD91270S - Design for a lip stick holder : en
  • USD91285S - Design fob a cooking vessel ob : en
  • USD91295S - Design for a bottle : en
  • DE590354C - Überwendlichnaehmaschine for bags, floor and bed carpets with two grippers : de en
  • FR757874A - Improvements to the buttresses and manufacturing process : en fr
  • GB403892A - Process for the manufacture of derivatives of di- or trimethoxy-and -ethoxy-benzoic acids : en
  • US1941636A - Radioantenna : en
  • US1941822A - Hot air furnace : en
  • ES2208U - Improved lunch box. (Machine-translation by Google Translate, not legally binding) : en es
  • FR757888A - New method of controlling the continuous crystallization of a solid reaction product resulting from the reaction of a solid and a liquid : en fr
  • FR757860A - Process for the impregnation of concrete, brick or other construction materials with bitumens liquefied by heating : en fr
  • GB404278A - Improvements relating to protective apparatus for electrically operated vehicles : en
  • ES131831A1 - A procedure for the permanent waving of the hair. : en es
  • ES131298A1 - Improvements in the projectiles. : en es
  • US1941497A - Automatic train control : en
  • ES2171U - Mechanical and automatic device that allows you to ascend with skis on the snow without any recoil. (Machine-translation by Google Translate, not legally binding) : en es
  • US1942227A - Engine : en
  • DE590339C - Detonator for anti-aircraft projectiles : de en
  • FR757809A - Improved process and apparatus for the treatment of solids with gases : en fr
  • ES132321A1 - A lightweight radiotelephone device. : en es
  • DK48217C - Procedure for Improving the Magnetic Properties of Coil Cores and Curl Coils. : da en
  • US1941776A - Sound unit : en
  • US1941814A - Well trap : en
  • US1942171A - Separable snap fastener socket : en
  • US1941944A - Cup-like wrapping element for sweetmeats and the like : en
  • US1942281A - Hydraulic power transmitter : en
  • US1941487A - Carbureting process and apparatus : en
  • US1942168A - Apparatus for producing perforated paper : en
  • US1941605A - Strap release for casket and burial vault lowering devices : en
  • US1941889A - Pipe clamping device : en
  • US1942022A - Railway shipping container : en
  • US1942213A - Pipe support : en
  • US1942257A - Steam boiler : en
  • GB403730A - Improvements in or relating to thermionic valve arrangements : en
  • GB403791A - Improvements in supporting devices for railway rails : en
  • US1941587A - Indirect heat exchanger : en
  • US1942217A - Slip clutch : en
  • US1941862A - Carburetor : en
  • US1942132A - Fluid flow control : en
  • CA338299A - Engine feeding system : en fr
  • US1942360A - Bell ringing mechanism : en
  • ES132535A3 - Improvements introduced in the manufacture of apparatus for heating liquids. : en es
  • US1941897A - Apparatus for feeding batch to glass melting furnaces : en
  • DE590425C - Carburetor : de en
  • FR42928E - Method and apparatus for mixing or emulsifying liquids : en fr
  • US1941663A - Printing machine : en
  • US1942099A - Pipe cutting and beveling apparatus : en
  • ES132253A1 - Improvements in refrigerating machines. : en es
  • DE590464C - Sink shoe for sink well : de en
  • FR757837A - Boggies for railway vehicles : en fr
  • US1942131A - Separation of gas mixtures : en
  • USD91272S - Design fob a toilet table ob similab : en
  • DE590430C - Disc gas container : de en
  • DK48240C - PROCEDURE FOR CONSTRUCTION OF WELDED STEEL PLATE BOILERS WITH CONACACALLY STANDING, RING-shaped, water-filled elements. : da en
  • FR757823A - Seed shelling machine : en fr
  • GB403731A - Improvements in or relating to traffic control signals : en
  • US1941991A - Method of treating textile material and product : en
  • US1942302A - Furniture : en
  • USD91266S - Design for a grille or the like : en
  • DE590617C - Automatic fire extinguishing system : de en
  • GB403758A - Improvements in and relating to gramophones : en
  • ES2200U - Container for solid substances such as flour, spices, drugs, legumes, drugs and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • ES130183A1 - Apparatus to avoid the projection of mud and splashes by the wheels of the vehicles of mechanical traction. : en es
  • GB403823A - Improvements in or relating to internal combustion engineelectric power units : en
  • GB403849A - Improvements in apparatus or plant for filtering liquids : en
  • US1942019A - Multiwall bag : en
  • US1941521A - Friction spring device : en
  • US1941540A - Thermostatic switch : en
  • US1941632A - Bottle and like vessel : en
  • DK48221C - Procedure for the Preservation of Vegetable and Animal Foods and Plants and Feedingstuffs in Their Natural Condition. : da en
  • FR757900A - Apparatus for heating liquids : en fr
  • ES132322A3 - Improvements made to the sound devices used in toys. : en es
  • CA338395A - Oscillating motor circuit controller : en fr
  • DE590305C - Device for regulating the conveyance of band or strip-shaped fabrics : de en
  • GB403754A - The manufacture of aldehydes of the benzanthrone series : en
  • USD91264S - Design for an electrolysis : en
  • US1942226A - Engine : en
  • DE590588C - Stand construction for radial ventilation of the stand teeth of electrical machines with stand iron layered from toothed sheets : de en
  • FR757828A - Improvements to directed antennas : en fr
  • ES2182U - Overlapping cannons for hunting shotguns, united and aligned by means of flat surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • ES132303A1 - Apparatus for the projection of advertising images and others. : en es
  • FR757841A - Process for the preparation of condensation products : en fr
  • GB403783A - Improved means for signalling or controlling the timing and sequence of operations : en
  • GB403890A - Improvements in and relating to pistons for internal combustion engines : en
  • DE590363C - Method and device for producing plastic prints on woven, knitted fabrics and like : de en
  • US1942317A - Metal vapor rectifier for heavy currents : en
  • USD91297S - Design for a combined clock case : en
  • DK48212C - Electric Hand Flashlight for Signal Use. : da en
  • US1941951A - Separating acetic acid from acetic : en
  • US1942037A - Harvesting machine : en
  • US1942010A - Train order hoop : en
  • US1942027A - String galvanometer : en
  • US1942254A - Shirt pressing machine : en
  • ES131943A1 - A procedure for the treatment of black and white photographic copies. : en es
  • US1942153A - Electrical condenser : en
  • US1941646A - Brake shoe : en
  • US1942177A - Process for recovering alkaloids from cocoa products : en
  • US1942195A - Method of distillation of tar : en
  • US1941978A - Shockproof x-ray unit : en
  • DE590403C - Seat cushion made of sponge rubber with air holes for bicycle bags : de en
  • DE590628C - Device for loading bulk goods in conveyor wagons with a loading device that can be moved on crawlers : de en
  • US1941464A - Driving mechanism : en
  • USD91292S - Design for a folding chair : en
  • FR757824A - Thermal and acoustic waterproof-insulating coating system for flat roofs and all other applications : en fr
  • ES132574A1 - A new closing device for the lids of drums and other metal containers. : en es
  • GB403749A - An improvements in or relating to knot-tying devices : en
  • ES2197U - Collector of pods or capsules applicable to machine guns (Machine-translation by Google Translate, not legally binding) : en es
  • GB404334A - Combined light and heat radiator for medical purposes : en
  • US1941697A - Transfer : en
  • GB403779A - Improvements in electric cables : en
  • ES131984A1 - A contact push button system. : en es
  • ES132498A1 - An improved tissue manufacturing process. : en es
  • GB403814A - Improvements in and relating to the conversion of current : en
  • ES2213U - Elastic waist applicable to the underpants. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403949A - Improvements in or relating to directional aerials : en
  • FR757810A - Plant and process for cracking and distillation of hydrocarbon oils, tars, etc. : en fr
  • GB403820A - Improvements in or relating to electric liquid heating receptacles : en
  • US1941755A - Blow torch : en
  • US1942197A - Reversible freewheel clutch transmission : en
  • US1942319A - Dump body : en
  • USD91284S - Streng : en
  • GB403764A - Improvements in water softening, purifying and like apparatus : en
  • CA338262A - Acetic anhydride separation : en fr
  • US1942261A - Alloy : en
  • US1941574A - Door operator : en
  • US1941954A - Egg packing : en
  • CA338312A - Harvester : en fr
  • US1941872A - Friction facing : en
  • US1941486A - Auxiliary lateral journal bearing : en
  • US1941996A - Equalizer seat cushion : en
  • US1942287A - Laminated board top or covering for furniture, etc. : en
  • US1941807A - Gas-bulb heating apparatus : en
  • US1941695A - Alarm device : en
  • GB403744A - Improvements in and relating to turnstiles : en
  • DE590206C - Closure device for emptying openings on container floors of processing machines of all kinds : de en
  • DE590548C - Device for emptying tubes : de en
  • DK48227C - Device for Connecting Gas Meters to Two Pipelines. : da en
  • GB403721A - Improvements in and relating to apparatus for filtration : en
  • CA338357A - Detergent composition : en fr
  • GB403891A - Improvements in melting and purifying magnesium and magnesium alloys : en
  • ES131591A1 - A process for manufacturing a stenciled metal mesh. : en es
  • FR757767A - New chemicals and their preparation process : en fr
  • US1941692A - Indirectly heated cathode : en
  • US1941969A - Door control and operating device : en
  • US1941599A - Conveyer type of pair or pack furnace : en
  • US1942113A - Coil winding mandrel : en
  • ES2202U - Toy composed of swing and skates. (Machine-translation by Google Translate, not legally binding) : en es
  • CA338290A - Vehicle suspension rebound damper : en fr
  • ES132324A1 - Improvements in the furnace apparatus for the calorific treatment of metallic articles and others. : en es
  • GB403727A - Improvements in or relating to gas, electric and like fires or radiators and the fabrication thereof : en
  • ES131708A1 - Improvements introduced in the debuggers. : en es
  • GB403836A - Improvements in and relating to electric lamps : en
  • US1941552A - Apparatus for automatically controlling the weight of glass articles made by the gob feed automatic machine process : en
  • US1941722A - Hobby horse : en
  • US1942321A - Submarine cable : en
  • GB403934A - A method of glazing plaster walls and other surfaces : en
  • USD91302S - Design for a textile fabric or : en
  • FR757770A - Fixing device for reflector or diffuser glassware : en fr
  • DE590461C - Manufacture of propeller blades and other elongated objects of irregular cross-sectional shape : de en
  • US1942378A - Radioreceiver : en
  • US1941553A - Apparatus for illuminating clock dials and the like : en
  • ES2217U - Composite sole applicable to the mechanical and manual manufacture of footwear. (Machine-translation by Google Translate, not legally binding) : en es
  • US1942390A - Process for making benzoic acid : en
  • US1941490A - Process and mechanism for separating intermixed divided materials : en
  • DE590517C - Blood lipid analyzer : de en
  • DK48215C - Water Treatment Procedure. : da en
  • US1941644A - Transformer : en
  • US1941858A - Sewing machine attachment : en
  • US1942012A - Dial for multirange radioreceivers : en
  • US1942033A - Revoluble stool : en
  • US1942115A - Automobile appliance : en
  • US1941677A - Diaper : en
  • US1941784A - Photographic camera : en
  • US1941675A - Display stand : en
  • US1942232A - Combination control and gate valve : en
  • DE590326C - Process for the production of vulcanized fiber : de en
  • FR42931E - Process for the simultaneous manufacture of ammonia phosphate and a calcium salt, for example nitrate : en fr
  • GB403738A - Improvements in the manufacture of staple fibre yarns from continuous filaments : en
  • US1941880A - Reel : en
  • US1942337A - Traction belt : en
  • CA338350A - Pulp article drying apparatus : en fr
  • US1941621A - Igniting stick : en
  • US1942129A - Gasoline line lock for automobiles : en
  • US1942315A - Body construction : en
  • CA338393A - Lasting machine : en fr
  • FR42909E - Dam construction system for the constitution of natural reservoirs or other applications : en fr
  • US1942031A - Self lubricating valve : en
  • US1941795A - Thermostat : en
  • US1941714A - Waste and overflow fitting : en
  • US1941673A - Steering and stabilizing construction for individually sprung wheels : en
  • US1941718A - Grass clipper : en
  • CA338359A - Stock quotation projecting machine : en fr
  • DK48225C - Procedure for Combustion of Liquid Fuels. : da en
  • DK48231C - Device for Setting Selectors for Automatic and Semi-Automatic Telephone Systems. : da en
  • US1941837A - Device for adjusting cylinder hones and the like : en
  • US1942073A - Rotary socket for electric lamps : en
  • US1942053A - Artificial leg : en
  • CA338353A - Separable fastener : en fr
  • US1942392A - Wall board joint : en
  • US1942369A - Auxiliary distributing valve for locomotives : en
  • US1942178A - Fuse plug adapter : en
  • US1941539A - Rod weeder : en
  • US1941958A - Acglutinant : en
  • CA338364A - Radio gain control : en fr
  • DE590385C - Mobile children's play chair : de en
  • US1941506A - Process for recovering nonferrous metals from melts containing metal oxides : en
  • US1941589A - Fastening for gratings : en
  • US1941554A - Drawing board and the like : en
  • US1941713A - Foot corrective device : en
  • US1941622A - Automatic train pipe coupling head : en
  • US1941631A - Collapsible tube : en
  • US1942186A - Motion picture reel : en
  • US1942249A - Appabatus fob producing wire : en
  • US1941855A - Thermoelectric radiator : en
  • US1942121A - Process of annealing and zinc coating ferrous articles : en
  • US1941578A - Drainage control : en
  • CA338264A - Cellosolve stearate : en fr
  • CA338347A - Refined distillate production : en fr
  • US1942157A - Testing apparatus for train control devices : en
  • US1942194A - Bearing : en
  • DE590540C - Device for cutting open the protective cover of roll films : de en
  • DE590622C - Anti-skid device for car tires, especially for light vehicles : de en
  • DE590438C - Method for producing stereotypical charts : de en
  • GB403776A - Starting mechanism for internal combustion engines : en
  • US1941905A - Grounding device for electrical wiring systems : en
  • US1941507A - Tapping apparatus : en
  • US1942163A - Bulkhead and sea-wall structure : en
  • US1942342A - Ground clamp : en
  • DK48234C - Method and Apparatus for Sterile Filling and Closing of Containers. : da en
  • ES2207U - Seat or backrest of grid with special system of springs. (Machine-translation by Google Translate, not legally binding) : en es
  • US1941558A - Combined receptacle and tray : en
  • US1942241A - Liquid level controlling means : en
  • DE590391C - Rock drill sharpening machine : de en
  • ES132182A1 - A free-wheel clutch mechanism for the transmission of high loads. : en es
  • US1942309A - Circuit maker and breaker : en
  • US1941763A - Torque stabilizer spring : en
  • US1941567A - Circuit breaker : en
  • US1942175A - Shock absorbing mechanism : en
  • US1942193A - Electric energy indicating instrutment : en
  • USD91283S - Casing for washing machines : en
  • CA338267A - Textile product impregnating process : en fr
  • CA338418A - Calcium chloride : en fr
  • US1941565A - Socket wrench : en
  • US1942004A - Process for improving aluminogenetic iron : en
  • US1941749A - Insulator : en
  • FR757758A - Ultra-short wave generator for high power : en fr
  • USD91305S - Design for a textile fabric or : en
  • DK48235C - Apparatus for Apparatus for Emptying Ointment Containers. : da en
  • FR757766A - Tools for brushing teeth : en fr
  • CA338392A - Typewriter : en fr
  • CA338297A - Safety razor : en fr
  • CA338307A - Bathing suit : en fr
  • GB403994A - Improvements in collapsable boats : en
  • ES131580A1 - Method to superimpose the partial images of polychrome selection and to project them giving a single image in natural colors. : en es
  • US1942328A - Padlock : en
  • US1941698A - Starting gear for internal combustion engines : en
  • US1941826A - Towel-dispensing apparatus : en
  • US1941455A - Gas generator : en
  • US1941528A - Box : en
  • US1942097A - Control for pressure feed lubricating systems : en
  • US1941836A - Paper articles of apparel : en
  • US1941909A - Operator for ventilators : en
  • US1942233A - Window back rest : en
  • GB403805A - Improvements in weighting-means for the rollers of spinningframes : en
  • GB403905A - Improvements in and relating to printing rolls : en
  • US1942095A - Wood barking machine : en
  • US1942259A - Combination lock bolt : en
  • US1942371A - Method of distilling tar : en
  • US1941460A - Double row roller bearing : en
  • US1941617A - Smoker's utensil : en
  • CA338402A - Picture and sound system : en fr
  • US1941841A - Flange construction : en
  • US1941882A - Wire spring fabric : en
  • US1941971A - Mercury switch : en
  • US1942059A - Oscillographic apparatus : en
  • US1942180A - Lubricating system : en
  • US1941845A - Means for the operation of pumping : en
  • CA338258A - Moisture proofing process : en fr
  • ES131668A3 - A process for the production of compound fertilizers based on ammonium nitrate, suitable for spreading. : en es
  • GB403760A - Improved non-slip wheel for tractors and the like : en
  • DE590440C - Arrangement for controlling several synchronous machines working in parallel : de en
  • GB403946A - Improvements in or relating to prepayment gas meters : en
  • DE590435C - Inking unit for high-speed cylinder presses : de en
  • ES132577A1 - A portable device for the direct reproduction, by means of a diffuse light, of any documents. : en es
  • FR757754A - Lighting dynamo or starter dynamo for internal combustion engines : en fr
  • US1941541A - Stove drawer : en
  • US1941739A - Fishing reel : en
  • CA338306A - Writing machine platen roll : en fr
  • US1941987A - Acoustic device : en
  • US1941492A - Anchor for refractory furnace linings : en
  • US1941476A - Method of making sound reproducers : en
  • CA338300A - Humidifier and sterilizer : en fr
  • CA338417A - Calcium chloride : en fr
  • CA338414A - Naphtha gum inhibiting method : en fr
  • CA338255A - Lock nut : en fr
  • ES132294A3 - A new way of manufacturing artificial leather. : en es
  • GB403833A - Improvements in key-locked fastenings for attache and suit cases, boxes, bags, portfolios and the like : en
  • US1942052A - Method of and instrument for measuring surge currents : en
  • DK48219C - Physical Fluids (Phosphors), their Manufacture and Use for Irradiation of Ferments etc. and for Water Purification. : da en
  • US1941781A - Vending machine : en
  • DE590441C - Insulation arrangement for high voltage conductor supports under OEl : de en
  • FR757990A - : fr
  • CA338257A - Solid material coating apparatus : en fr
  • CA338360A - Electrical forging and upsetting apparatus : en fr
  • US1942294A - Circuit breaker : en
  • USD91281S - Design for a spoon or similar article : en
  • CA338304A - Train control apparatus : en fr
  • CA338339A - Rail clamping means : en fr
  • US1941593A - Pumping : en
  • US1942002A - Automatic temperature control device : en
  • US1942353A - Apparatus for and method of forming internal threads by stamping dies : en
  • CA338408A - Engine controlling system : en fr
  • US1941834A - Weighing scale : en
  • US1941778A - Method of and apparatus for making glass : en
  • US1941856A - Hose connection : en
  • US1942295A - Reversible-cycle heating and cooling system : en
  • US1942050A - Gas purification : en
  • US1942122A - Golf club : en
  • US1941737A - Typographical composing machine : en
  • US1941839A - Plug cock : en
  • ES132500A3 - Procedure for the manufacture of footwear. : en es
  • US1942000A - Art of curing concrete : en
  • DE590614C - Method of making multicolor images : de en
  • DK48228C - Procedure for the production of alcohols. : da en
  • GB404306A - Improvements in the manufacture of porous bodies comprising refractory granules and a ceramic bond : en
  • DE590419C - Gas generator for carburized water gas : de en
  • DE590442C - Pulverized coal burners : de en
  • DE590569C - Doorstep timbering for the pit construction : de en
  • ES132325A1 - A procedure to prepare fabrics, underwear, gloves, absorbent cloths, sashes and similar articles against sudoral hypersecretion. : en es
  • US1941584A - Electrical heater : en
  • US1941642A - Fuel feeding system : en
  • US1942046A - Process for testing metals by polarization : en
  • USD91280S - Design for lace : en
  • FR42901E - Improvements to control panels for electrical energy networks : en fr
  • FR42908E - Sorter-separator : en fr
  • US1942277A - Portable agitator : en
  • CA338272A - Coated product : en fr
  • ES131810A1 - A method of construction of a roller shutter and shutter whose tablets are protected by a metal casing. : en es
  • ES2185U - Overlapping cannons for hunting shotguns, united and aligned by means of flat surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • DE590167C - Process and circular knitting machine for the production of reversible clad knitwear : de en
  • CA338282A - Rail supporting device : en fr
  • US1942222A - Method of making propeller blades : en
  • US1941577A - Hydrocarbon conversion process : en
  • US1941452A - Sewing machine : en
  • US1941766A - Pneumatic water system : en
  • US1942280A - Game : en
  • US1941887A - Motor vehicle control system : en
  • US1941921A - Motor operated relay : en
  • US1942013A - Insulating product : en
  • US1941831A - Gas service regulator : en
  • US1941825A - Heating apparatus for automotive vehicles : en
  • US1941833A - Road-grading machine : en
  • US1942340A - Portable desk top : en
  • US1941626A - Process of decolorizing heavy spar : en
  • US1941920A - Motor-operated relay : en
  • US1942116A - Combined blow-out patch and plug : en
  • CA338343A - Conductor supporting and insulating connection : en fr
  • CA338318A - Door knob : en fr
  • US1941986A - Conveyer truck loader : en
  • US1941757A - Display holder or package : en
  • US1942188A - Stabilizer for car trucks : en
  • US1941847A - Envelope : en
  • US1941917A - Means of determining the evenness of textile threads : en
  • US1942299A - Adhesive and film forming composition : en
  • US1941628A - Scanning method and apparatus : en
  • US1941939A - Nut husking machine : en
  • US1941533A - Indicator for aircraft : en
  • DE590389C - Running weight for scales : de en
  • AU1071832A - Improvements in milking machine teat cups : en
  • US1942231A - Automatic reversing mechanism for motion picture apparatus : en
  • USD91306S - Design for a textile fabric or : en
  • US1941665A - Massage apparatus : en
  • US1941738A - Cork covered spindle : en
  • US1942009A - Valve : en
  • ES132584A3 - Process of manufacturing gelatin sheets with drawings. : en es
  • DE590524C - Self-closing valve, especially for dense liquids, with a snap-action device that holds the valve in the open position and is triggered by a deformable housing or the like under suction : de en
  • ES2192U - Hold breasts or bra for lady. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403843A - Improvements in or relating to resonating apparatus associated with loud-speakers and sound diffusers : en
  • DE590555C - Process for regulating the calorific value and the density of carbon distillation gases : de en
  • DE590565C - Hand fire extinguisher with continuously pressurized extinguishing fluid : de en
  • DK48220C - Hair Remover and Procedure for Manufacturing the Same. : da en
  • US1941658A - Carburetor : en
  • US1941495A - Sleeve for printing press paper rolls : en
  • US1941935A - Traction device : en
  • ES132238A1 - PROCEDURE FOR THE PREPARATION OF FOLLICULAR DIHYDROHORMONE : en es
  • ES132570A1 - A manufacturing process for containers, covers, tubes and other hollow objects, without sewing. : en es
  • GB403796A - Improvements relating to domestic fireplaces : en
  • FR757865A - Device for the elimination of overpressures in liquid dispensing systems comprising a deformable element : en fr
  • US1941817A - Process relating to the production of a material from vegetable matter of high pentosan containing pento-cellulose materials : en
  • USD91275S - Design for a toy : en
  • FR757759A - Device for hydrotherapeutic treatment of animals : en fr
  • FR757804A - : fr
  • GB403908A - Improvements in and relating to electric heater resistances : en
  • DE590470C - Process and device for the extraction of evaporated salt : de en
  • DK48230C - Ternær Iron Nickel Alloy with High Initial Permeability and Procedure for Treating Said Alloy. : da en
  • US1941733A - Counting and calculating card : en
  • USD91261S - Design for a chain : en
  • CA338284A - Moulded pulp article : en fr
  • CA338390A - Tape pulling device : en fr
  • DE590377C - Inclined grate firing with upstream drying shaft and a fire vault projecting over the lower end of the grate : de en
  • ES132370A1 - Device for the regulation of the intensity and voltage for mono and polyphase transformers. : en es
  • GB403945A - Improvements in and relating to tools for holding and positioning split cotter sleeves : en
  • ES132263A1 - Procedure for the manufacture of containers. : en es
  • ES132502A1 - Procedure for fast photography. : en es
  • DE590314C - Procedure for blocking discharge tubes and amplifiers : de en
  • DE590529C - Image projector for vehicles with an endless picture band and two angled projectors : de en
  • ES132285A1 - PROCEDURE FOR THE PREPARATION OF OLEFINIC ALCOHOLS AND THEIR DERIVATIVES : en es
  • US1941566A - Supporting structure for use in the production of floors and the like : en
  • US1941719A - Cushioned egg box : en
  • US1942060A - Method of cooling composition tile : en
  • GB403828A - Improvements in decantation apparatus and methods : en
  • ES2203U - Articulated sole of wood or other rigid material. (Machine-translation by Google Translate, not legally binding) : en es
  • GB403824A - An improved method of and apparatus for charging gas generators and the like : en
  • GB403912A - Improvements in spring suspensions for lorries and the like : en
  • GB403971A - Improvements in and relating to wristlets, bracelets and the like and to attachments therefor : en
  • ES130759A1 - A system of frame of special adaptation to light cars for running on railway. : en es
  • ES2187U - Device breakers, pinions and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • DE590340C - Control device for church bells mechanism : de en
  • DE590607C - Method and device for checking the pitches on toothed wheels : de en
  • GB403961A - Treatment of iron pyrites for recovery of sulphur and formation of iron oxide : en
  • FR42911E - Reversing contactor device for ringing bells by electricity : en fr
  • GB403842A - Improvements in pipes for smoking : en
  • GB403923A - Improvements relating to gasholders and similar storage containers : en
  • FR757858A - Reservoir toothbrush using liquid toothpastes : en fr
  • GB403859A - Apparatus for accumulating the blood at a desired point of the human body : en
  • DE590499C - Vertically divided mold for the production of seamless wedding and jewelry rings : de en
  • DE590348C - Furnace for smoldering fuels : de en
  • DE590460C - Device for sharpening and honing razor blades on a trough-shaped surface : de en
  • GB403909A - Improvements in portable hangers for clothes and other articles : en
  • GB403858A - Process of and apparatus for the production of artificial leather and imitation parchment : en
  • CA338261A - Oil burner tube : en fr
  • CA338406A - Safety razor : en fr
  • DE590501C - Backrest adjustment device : de en
  • FR757819A - Flexible band for use in corset stays or other similar articles and method of making the same : en fr
  • DE590439C - Arrangement for fastening the stub shaft to the end faces of a rotating field magnet : de en
  • DE590632C - Process for the production of buckles or similar multi-part bodies : de en
  • DE590497C - Loose bulk material for storing explosive substances, especially acetylene : de en
  • GB576683A - Improvements in bombs or the like intended to be dropped from aircraft : en
  • US1941629A - Attachment for routing machines : en
  • ES131789A3 - A mechanical illusion toy. : en es
  • FR42938E - Device for the gasification of low volatile combustible liquids in internal combustion engines : en fr
  • GB404327A - Improvements in the colouration of cellulose ester or ether materials : en
  • US1941701A - Dynamic flow control method and apparatus : en
  • US1941968A - Method of and apparatus for the treatment and use of liquid fuels : en
  • US1942068A - Sound-controlling device for talking picture apparatus : en
  • FR757768A - New chemical compounds applicable in particular as colorants and as photographic sensitizers and their preparation processes, as well as photographic emulsions containing these sensitizers : en fr
  • GB404275A - Improvements in and connected with elevator systems, conveyor systems, or the like : en
  • ES131682A1 - A clamping device between threaded bolt and its complementary element. : en es
  • US1941480A - Steam boiler and mercury condenser : en
  • US1941651A - Fluid compressor : en
  • DE590609C - Potato harvester with laying wheel rotating in an approximately horizontal plane : de en
  • FR757795A - Elastic calibrated alveoli : en fr
  • GB403739A - Improvements in the manufacture of staple fibre yarns from continuous filaments : en
  • CA338327A - Railway crossing slab : en fr
  • DE590618C - Gear change transmission : de en
  • US1941679A - Line-casting mold : en
  • DE590507C - Stand clamp : de en
  • US1941595A - Musical instrument of the viol and violin type : en
  • US1941843A - Carton : en
  • US1941721A - Pull socket : en
  • US1941775A - Carton : en
  • US1942362A - Box covering method and product : en
  • US1942379A - Fluid current conveyer : en
  • US1942125A - Window sash : en
  • CA338294A - Rotary engine : en fr
  • US1941684A - Band for jewelry purposes : en
  • USD91259S - Design for a touring car body : en
  • US1941767A - Industrial truck : en
  • ES131726A1 - A procedure for the manufacture of own metal containers for liquid perfumery products. : en es
  • GB403789A - An improved process for the development of photographic silver salt layers : en
  • GB403884A - Windows, particularly stained glass windows for churches and other buildings of reinforced concrete, and a process for their production : en
  • US1941602A - Photographic camera : en
  • US1942026A - Spirally-bound sheaf : en
  • DE590409C - Universal rolling mill : de en
  • US1941637A - Coin chute : en
  • US1942250A - Brassiere : en
  • ES131065A3 - An explosive. : en es
  • FR42926E - Seaplane : en fr
  • DE590408C - Ice stick-like device for stick shooting on drying tracks : de en
  • US1941531A - Cigarette holder : en
  • FR757859A - Safety razor : en fr
  • FR757885A - Improvements to low-capacitance self-inductance coils : en fr
  • US1941860A - Automobile trunk : en
  • US1942187A - Fuel vapor and air mixer : en
  • GB403710A - Improvements in or relating to machines for operating upon sheet material : en
  • ES132312A1 - Improvements in the production of strong and impermeable rubber materials. : en es
  • FR757812A - Toy vehicle on wheels : en fr
  • GB403737A - A new and improved apparatus for playing a game : en
  • GB403897A - Improvements in screw propellers : en
  • DE540850C - Method for the simultaneous transmission of letter and picture telegraphy on the same wireless connection path : de en
  • DE590484C - Steam generator with circulating evaporator : de en
  • GB403834A - Improvements in and relating to refrigerating apparatus : en
  • US1941549A - Valve for toilet tanks : en
  • GB403740A - Improvements in or relating to tuning arrangements for use in radio reception and transmission : en
  • US1942297A - Vehicle signal switch : en
  • US1942365A - Machine for cutting or unrolling thongs of leather or other material : en
  • GB403906A - Improvements in bogie frames for railway and like vehicles : en
  • GB403926A - Improvements in means for fixing grids in anode protecting tubes for metal vapour rectifiers : en
  • GB404616A - Improvements in and relating to milking machines : en
  • GB403821A - Improvements in or relating to solid fuel heating apparatus : en
  • ES2189U - Hygienic chicken coop with mechanical device for feeding, cleaning and providing water. (Machine-translation by Google Translate, not legally binding) : en es
  • DE590593C - Switch for hot air blower : de en
  • FR757799A - Log saw : en fr
  • GB403881A - Foot-operated motor-controller : en
  • FR42902E - Improvements to temperature regulators : en fr
  • GB403920A - Apparatus for winding stepped torsion springs : en
  • GB403808A - Improvements in driving pulleys for positively driven flexible tracks of endless track vehicles : en
  • FR757868A - Wood and metal seat : en fr
  • GB403762A - Improvements in the manufacture and production of chrome yellow colours which are stable to light : en
  • US1942288A - Cooling unit : en
  • ES1761Y - Special container or container for pharmaceutical products, particularly for castor oil. : en es
  • GB403787A - Improvements relating to pressure reducing or controlling valves : en
  • US1942036A - Method of and apparatus for projecting motion pictures accompanied by sound : en
  • DE590500C - Handle for suitcases, bags, etc. like : de en
  • GB403728A - Improvements in or relating to governors for internal combustion engines : en
  • US1941488A - Electrical attachment fitting : en
  • US1941744A - Refrigeration with solid carbon dioxide : en
  • US1941952A - Boom construction : en
  • CA338333A - Windshield wiper : en fr
  • US1941575A - Temple hinge or mounting for spectacles : en
  • US1941601A - Separation of oil and wax : en
  • US1942179A - Feed water heater : en
  • FR757957A - : fr
  • GB403788A - Improvements relating to sparking plugs : en
  • DE590238C - Process for the production of lactones : de en
  • DK48213C - Direct locking device for the base and the impact pin by automatic firearms : da en
  • FR757801A - : fr
  • US1942140A - Attemperator for rotary kilns and the like : en
  • US1942155A - Packing ring and valve for internal combustion engines and the like : en
  • US1941930A - Method and means for replacing railroad rails : en
  • US1941947A - Cylinder head assembly for internal combustion engines : en
  • GB403852A - Improved surface-filled paper and processes for making the same : en
  • CA338348A - Steel and alloy annealing process : en fr
  • US1941918A - Valve grinding machine : en
  • CA338407A - Textile material production : en fr
  • US1941990A - Lamp coating : en
  • US1941530A - Elevating and dumping device : en
  • US1941716A - Window sash construction : en
  • US1941511A - Trip coil : en
  • FR757785A - Automatic cash dispenser : en fr
  • GB403844A - Improvements in friction clutches : en
  • US1941890A - Ladder brace : en
  • US1942087A - Steel doorlock : en
  • USRE19039E - Remote control indicator system : en
  • US1941895A - Filter : en
  • US1941485A - Manufacture of leather : en
  • US1941759A - Applicator : en
  • US1941761A - Vaporizer for internal combustion engines : en
  • US1942151A - Trouser supporting vest : en
  • CA338377A - Hydrocarbon decomposition : en fr
  • CA338380A - Oil still : en fr
  • US1941726A - Cement gun nozzle : en
  • US1942124A - Show case : en
  • US1941746A - Stock receptacle : en
  • US1942091A - Manufacture of wire wheels : en
  • US1942219A - Window lock fastener : en
  • US1942104A - Process of extracting rotenone from plant material : en
  • US1942230A - Safety screen for motion picture apparatus : en
  • US1941925A - Liquid meter : en
  • ES132355A3 - Pure, light, precipitated carbonate of lime manufacturing process. : en es
  • US1941792A - Bake oven : en
  • US1941989A - Speed control device for movable grids : en
  • GB403862A - Manufacture of vat-dyestuffs : en
  • DE590337C - Grinding tool for grinding the valve seats of internal combustion engines : de en
  • CA338330A - Building insulation : en fr
  • DE590564C - Process for the production of two and multicolor photographs or cinematographies : de en
  • US1941703A - Casing cutter : en
  • US1942074A - Time switch : en
  • US1942044A - Brake mechanism : en
  • US1942339A - Pictorial art composition : en
  • DE590462C - Plant for the production of dried potatoes : de en
  • US1941980A - Making of sound synchronized motion pictures : en
  • DE590538C - Film drying cabinet with air circulation and automatic temperature control : de en
  • CA338405A - Safety razor : en fr
  • US1941536A - Hard vegetable fiber product of high strength and process of making same : en
  • USRE19038E - Induction compass : en
  • US1941556A - Process of producing high silicon and high manganese steel : en
  • CA338379A - Aluminum coating : en fr
  • GB403898A - Process and apparatus for finishing fused silica articles : en
  • DE590592C - Device for forcing a central entry of the arc into the arc guide sheaths surrounding the anodes of mercury vapor rectifiers : de en
  • FR757806A - Shuttle plow strap attachment : en fr
  • ES132255A1 - Machine gun improvements. : en es
  • US1941868A - Form fitting diaper : en
  • US1941712A - Hermetic seal for bottles : en
  • US1941741A - Typographical line-casting machine : en
  • CA338394A - Lasting machine : en fr
  • US1941794A - Tufted mattress and method of making the same : en
  • DK48236C - Device for Diffusion Batteries for Extraction of Sugar or Other Vegetable Products. : da en
  • CA338365A - High frequency transformer : en fr
  • DE590576C - Process for forming seamless tubes into conical tubes : de en
  • FR757876A - Process for isolating the different elements of a machine or an electrical device : en fr
  • US1941519A - Driving means for slicing machine knives : en
  • USD91308S - Design for lace : en
  • GB403761A - New or improved apparatus for playing a game : en
  • GB403747A - Improvements in or relating to the control of the motors of electrically propelled vehicles : en
  • GB403723A - Improvements in or relating to the manufacture of laminated non-splintering glass : en
  • GB403751A - Improvements in and relating to double doors with rebated meeting edges : en
  • DE590236C - Process and apparatus for the production of carbohydrates such as saccharates from aldehyde, e.g. B. formaldehyde : de en
  • FR42913E - Improvements in the fuel treatment and fabrication processes and means for implementing these improvements : en fr
  • FR757772A - Lighting installation : en fr
  • US1942293A - Carburetor : en
  • FR757863A - Process for obtaining diazotypies : en fr
  • GB403896A - Improvements in flexible instruments for examining tubes and cavities in the human and other bodies : en
  • DE590411C - Radially pressurized double-flow turbine : de en
  • IE12839L - Electric discharge tubes : en
  • US1941640A - Method of preparing aliphatic ketones : en
  • US1941740A - Apparatus for producing theatrical effects : en
  • ES1885U - Poroustopic garments made of porous elastic material (Machine-translation by Google Translate, not legally binding) : en es
  • FR757813A - New chemicals, their preparation processes, and their applications, in particular as colorants and as photographic sensitizers : en fr
  • FR757853A - Cornet or bag for goods : en fr
  • FR757814A - Method and device for the production of granulated materials : en fr
  • GB403829A - Improvements in or relating to the electrical precipitation of suspended material from gases : en
  • DE590436C - On and off device for the ink application rollers on rotary printing machines : de en
  • GB403933A - Improvements in control mechanism for recording devices : en
  • GB403937A - Improvements relating to electric switches : en
  • DE590426C - Device for synchronizing circulating distributors in transmitting and receiving stations, between which several measured quantities are transmitted by means of impulses, the frequency of which corresponds to the quantity to be measured remotely : de en
  • GB403846A - Improvements in fuel injection pumps for internal combustion engines : en
  • GB403874A - Improvements in and relating to voltage control of electron discharge devices : en
  • US1941886A - Emulsion decomposing body : en
  • FR757783A - Improvements made to game markers : en fr
  • GB403771A - Improvements relating to electric horns : en
  • GB403907A - Improvements in stockings or the like : en
  • ES132493A3 - A new mechanical toy represented by a car with lifting movement and slide. : en es
  • GB403830A - Improvements in and relating to vices : en
  • DE590509C - Measuring image chamber, especially cinema theodolite : de en
  • DK48216C - Fuel for Diesel Combustion Engines. : da en
  • FR42903E - Vulcanizing press, particularly applicable to tire repairs : en fr
  • US1941708A - Coating composition and film produced thereby : en
  • CA338383A - Temperature controlled apparatus : en fr
  • US1941656A - Friction brake : en
  • US1942269A - Fluid mixing device : en
  • US1942190A - Serving tray : en
  • USD91287S - Design fob a blackboard : en
  • US1941777A - Indicator map : en
  • US1941881A - Reel : en
  • US1942118A - Gauge : en
  • US1941543A - High frequency radio signaling apparatus : en
  • DE590341C - Device for attaching flags to the flagpole : de en
  • FR757851A - Thruster : en fr
  • US1942076A - Self-starting synchronous motor : en
  • US1942096A - Control for pressure feed lubricating systems : en
  • US1942141A - Railway track circuits and relay therefor : en
  • US1941548A - Lawn edge trimmer : en
  • DE590390C - Drilling device : de en
  • CA338337A - Thread package processing : en fr
  • CA338366A - Radio gain control : en fr
  • FR757897A - : fr
  • CA338326A - Door elevating means : en fr
  • CA338256A - Coating apparatus : en fr
  • CA338355A - Heat treatment of metals : en fr
  • CA338265A - Collar support and necktie retainer : en fr
  • CA338285A - Tamper-proof seal : en fr
  • CA338396A - Phonograph record manipulating machine : en fr
  • US1942111A - Furniture slip cover : en
  • US1942092A - Remote control for movable members of machine tools : en
  • US1942372A - Distillation of tar or pitch : en
  • DE590283C - Switching relay to bring about a delayed switching process : de en
  • FR42907E - Improvements in home construction : en fr
  • US1941473A - Centrifugal speed governor : en
  • USD91262S - Design for a pillow or similar : en
  • CA338302A - Musical toy : en fr
  • CA338313A - Liquid purifying process : en fr
  • US1941660A - Dish and like washing machine : en
  • US1941769A - Impregnated fibrous block : en
  • US1941821A - Harvester : en
  • US1941842A - Brooder : en
  • US1941874A - Half-fruit pitting and coring machine : en
  • FR757832A - Film drive mechanism : en fr
  • US1941908A - Coupling for shafts forming angles : en
  • DE590568C - Drilling dust precipitation device : de en
  • US1942338A - Traction belt : en
  • CA338421A - Pulp moulding machine : en fr
  • US1941572A - Conveying apparatus : en
  • US1942008A - Typewriting machine : en
  • US1942356A - Electrodeposition of chromium : en
  • CA338372A - Rubber thread or tape : en fr
  • DE590400C - Vehicle wheel : de en
  • CA338263A - Milk draining tube : en fr
  • FR757831A - Plug-in connection device for electrical devices, machines or instruments : en fr
  • GB403893A - Improvements in fountain pens : en
  • US1941449A - Separator : en
  • US1941734A - Air conditioner : en
  • ES131713A3 - A process for the manufacture of pipes for conducting liquid solvents or rubber attackers. : en es
  • ES131734A1 - IMPROVEMENTS IN THE MANUFACTURE OF ADAPTABLE AUTOMATIC FIREARMS TO FIRE MINIATURE CARTRIDGES : en es
  • ES2191U - Optical system window, with two or more lenses, for doors. (Machine-translation by Google Translate, not legally binding) : en es
  • US1942203A - Furnace radiator : en
  • US1942266A - Traffic control system : en
  • US1942023A - Interrupter : en
  • ES2206U - Device for disinfecting telephone headsets. (Machine-translation by Google Translate, not legally binding) : en es
  • US1942089A - Tie : en
  • CA338266A - Textile material production : en fr
  • US1941840A - Tool clamp : en
  • US1942138A - Train control : en
  • US1942216A - Paper carriage equipment for : en
  • CA338298A - Two cycle engine : en fr
  • CA338370A - Pipe cutter frame : en fr
  • CA338384A - Crank shaft forming machine : en fr
  • CA338281A - Sight and sound reproducing device : en fr
  • US1942275A - Agitator for sifters : en
  • CA338399A - Valve : en fr
  • US1941615A - Mechanism for radio operated repeat motion : en
  • US1941704A - Thermostatic relay : en
  • CA338268A - Garbage container : en fr
  • US1941861A - Process for the electrical purification of gases : en
  • US1941496A - Economizes : en
  • US1942345A - Manufacture of paper bottles : en
  • CA338283A - Staybolt : en fr
  • ES132305A1 - Improvements in the manufacture of crimps of iron barrels. : en es
  • ES132504A1 - Husking machine for almonds, nuts and other similar fruits. : en es
  • ES131927A3 - Fabrics manufacturing process, specially prepared for later use as frameworks of elastic materials. : en es
  • DE590406C - Switch for electrical signaling devices : de en
  • DE590332C - Device for cooling the valves and their seats in internal combustion engines : de en
  • DE590574C - Method and device for the production of low-alcohol or non-alcoholic beverages : de en
  • GB403756A - Improvements relating to folding or collapsable caravans : en
  • GB403845A - Manufacture of dyes and intermediates therefor, and sensitization of photographic emulsions therewith : en
  • FR757847A - License plate holder for fixing their license plate to the steering bar of bicycles : en fr
  • GB404034A - Electric control and amplifying systems : en
  • GB403921A - Manufacture of alkali alcoholates : en
  • ES128699A1 - A sealing capsule closure device for an opening in a metal container wall. : en es
  • ES1398Y - Flat loom for hand weaving. : en es
  • FR42906E - Retaining wall system : en fr
  • GB403742A - Improved method of extruding metal articles : en
  • GB403767A - Device for trapping and killing rabbits and other vermin : en
  • GB403970A - An improved form of apparatus for repetition weighing of equal quantities of material : en
  • GB403790A - Improvements in or relating to thermally controlled switch operating mechanism : en
  • DE590493C - Process for sealing and insulating element cups : de en
  • DE590596C - Method and device for the electrical welding of suture tubes : de en
  • DE590473C - Process for the preparation of a bluish-green buffalo dye : de en
  • DE590476C - Process for the removal of phenol and its homologues from coke and gas waters using benzene : de en
  • US1942196A - Treating clay for transportation and handling : en
  • US1941849A - Weighing scale : en
  • DE590573C - Locking device for blow molding machines : de en
  • US1941561A - Cement clinker chamber or the like : en
  • US1941619A - Container : en
  • US1941955A - Remote transmission and control device : en
  • US1942182A - Motor vehicle : en
  • US1942242A - Spark plug : en
  • DE590410C - Machine for the production of spirally wound springs : de en
  • DE590604C - Screw-on edge protection for stairs or similar structural parts : de en
  • US1942142A - Relay : en
  • US1942211A - Combination guard and heat transfer device : en
  • DK48222C - Spark Plug Mixer. : da en
  • FR757777A - Roll-out advertising device : en fr
  • US1942035A - Process and apparatus for feeding glass : en
  • US1942137A - Combined metallic base and conduit : en
  • US1941457A - Error compensating device for radiogoniometers : en
  • US1941571A - Head lamp safety device : en
  • US1942278A - Means of and apparatus for transmitting messages through submarine and other like cables : en
  • US1941639A - Waxlike substances and method of preparing the same : en
  • DE590510C - Evaluation device for recordings from aircraft : de en
  • FR757881A - Method and device for cleaning liquids by centrifugation : en fr
  • GB404295A - Improvements in and relating to grabs : en
  • US1941491A - Building product and method of making same : en
  • US1941846A - Shutter for radiator enclosures : en
  • US1942136A - Light signal lens : en
  • USD91258S - Design for a cigar holder : en
  • US1942258A - Test block for meters : en
  • US1942329A - Roller head with endless belts for : en
  • DE590226C - Process for the nodulation or graining of raw materials for cement production : de en
  • DE590397C - Control device for a self-adjusting fluid transmission for motor vehicles equipped with two pump sets and a central distributor plate : de en
  • DE590514C - Support or guide arm for pickups on speaking machines : de en
  • DE590536C - Apparatus for measuring density and copying photographic negatives : de en
  • DE590637C - Process for the hydrogenation of bases of the pyridine and quinoline series : de en
  • DE590539C - Device for trimming photographic papers u. like : de en
  • DE590557C - Welded box frame for standing internal combustion engines : de en
  • DE590475C - Process for the production of a concentrated skimmed milk : de en
  • ES132298A1 - Improvements in the manufacture of fuel briquettes, based on carbonaceous material. : en es
  • GB403781A - Improvements in converting salt mixtures containing ammonium chloride into a granular form : en
  • GB403878A - Improvements in and relating to apparatus for the storage of gases generated by sewage, sewage sludge and like putrefactive liquids and gases of other origin : en
  • CA338344A - Rock-drill : en fr
  • DE590562C - Process for the production of a multilayer wood pulp : de en
  • GB404277A - Improvements in or relating to the ventilation of dynamo-electric machines : en
  • USD91290S - Design for a radiocabinet or the : en
  • US1941638A - Coin slide : en
  • US1941827A - Granulating machine : en
  • DE590571C - Recovery bucket : de en
  • US1942069A - Apparatus for cutting wire into lengths : en
  • US1942347A - Liquid dispensing apparatus : en
  • FR42946E - Advanced heavy oil burner : en fr
  • GB403885A - Improvements in hoisting apparatus : en
  • US1941797A - Radiator shell and grille assembly : en
  • US1942198A - Automatic roller clutch transmission : en
  • ES2212U - A glass container or material (Machine-translation by Google Translate, not legally binding) : en es
  • DE590597C - Crucible for coreless induction ovens : de en
  • DE590427C - Settling device : de en
  • US1941903A - Auxiliary knitting needle : en
  • CA338291A - Basket fastener inserting machine : en fr
  • US1942260A - Alloy : en
  • CA338309A - Vehicle horn : en fr
  • ES1867Y - Bath for the eyes. : en es
  • US1941603A - Coal breaker : en
  • GB403719A - Improvements in or relating to the manufacture of sodium aluminate : en
  • GB403801A - Improvements in or relating to multi-position electric switches, such as for controlling electric motors : en
  • DK48239C - Signal device for Intersections, especially on single-track Railways. : da en
  • DE590537C - Daylight developing device for roll films : de en
  • US1941529A - Hinge : en
  • GB403915A - Manufacture of symmetrical di-(arylamino)-hydroxybenzenes : en
  • ES131849A1 - Device for the reading of direction finders intended for ground-breaking devices with mechanical delivery of sparks. : en es
  • GB403876A - Improvements relating to electron discharge tubes for purposes of sound recording or the like : en
  • GB404269A - Improvements in aircraft and control thereof : en
  • US1941844A - Ash receiver : en
  • US1941926A - Drainage system and fitting therefor : en
  • US1941970A - Process of neutralization for hydrocarbon oils : en
  • CA338310A - Combustible organic substance gasifying apparatus : en fr
  • US1942167A - Ornamental device for use in association with toy electric railways : en
  • FR757861A - Improvement in cooking in their food cans : en fr
  • ES132587A2 - IMPROVEMENTS IN THE MAIN PATENT NuM. 131115 : en es
  • US1941590A - Projectile : en
  • DE590423C - Double-acting two-stroke internal combustion engine : de en
  • ES132320A1 - An apparatus for the extraction of olive oil. : en es
  • ES130884A3 - A new device for fishing at the mouth of rivers. : en es
  • ES1489Y - Cap or capsule with an appendix that facilitates its opening in the container that is applied. : en es
  • DE590333C - Pouring bung for iron and wooden barrels : de en
  • DE590624C - Automatic door lock for railroad cars, buses, etc. like : de en
  • DE581631C - Device for moving the drawer : de en
  • US1942314A - Body construction : en
  • US1941654A - Shoe lace clasp : en
  • US1942351A - Storage battery : en
  • ES131998A1 - Improvements in the appliances to open the cans. : en es
  • US1941668A - Electric control system and recording device : en
  • US1942040A - Dashpot for time lag relays : en
  • US1942251A - Hydraulic press : en
  • US1942373A - Method of preparing creosoting compositions : en
  • DK48229C - Percussion tool. : da en
  • US1941850A - Safety gas cock : en
  • US1941946A - Lubricating of axle bearings for rail vehicles : en
  • US1942139A - Molecular vacuum pump : en
  • DE590527C - Machine tool, in particular jig drilling machine, for drilling, milling or grinding : de en
  • DE590336C - Slicer : de en
  • GB403841A - Improvements in or relating to liquid fuel burning apparatus : en
  • GB403866A - Improvements in or relating to heating apparatus for hovers, brooders and the like : en
  • GB404005A - New or improved process for bringing mutually immiscible liquids of different specific gravity into intimate contact : en
  • US1941477A - Method of making magnetic sound reproducers : en
  • US1942058A - Milk cooler and deodorizer : en
  • US1942067A - Dual shutter control system for photographic sound apparatus : en
  • US1942224A - Storage bag : en
  • US1942349A - Slide rule : en
  • DE590520C - Device for sorting fruits : de en
  • US1941600A - Heater for permanently waving hair : en
  • US1942296A - Cushion and like device : en
  • FR757878A - Device for the simultaneous laying of two and more plates or tiles : en fr
  • DE590582C - Process for the production of soluble derivatives of aminoaryl arsenoarsenoarsenoarsenoarsenoarylarsenoantimony and aminoarylarsenoarseno compounds : de en
  • ES131519A1 - Improvements in cinematographic devices. : en es
  • DE590291C - Punching machine : de en
  • DK48211C - Determination device for bicycle dynamos. : da en
  • FR757793A - Machine for bagging powdery or granular materials : en fr
  • US1942382A - Electrically heated apparatus : en
  • DE590359C - Disc roller grate : de en
  • GB403913A - Grinding device for raw paper-making materials : en
  • FR42912E - Improvements to pneumatic tires for vehicles : en fr
  • DE590589C - Circuit arrangement to avoid network noise : de en
  • FR757877A - Silent exhaust for aircraft. : en fr
  • DE587353C - Weatherproof silver mirror and process for its manufacture : de en
  • DE590471C - Clock spring, preferably for the buffers of railway vehicles : de en
  • GB403889A - Improvements in or relating to turbines or the like : en
  • FR757802A - Appliance using cold, such as cooler, refrigerator, etc. : en fr
  • DE590545C - Method of making speckled paints : de en
  • ES132009A3 - A mechanical counter device combined with a billiard table for the use of the latter during predetermined times, for the introduction of coins. : en es
  • ES132244A1 - Improvements in the switching mechanisms. : en es
  • ES132506A1 - A process for manufacturing wire grids for electric discharge tubes. : en es
  • GB404004A - Improvements in or relating to the scouring, cleaning or performance of like operations on shoes or parts therefor : en
  • GB403800A - Improvements in and relating to electric cooking apparatus : en
  • US1941453A - Automatic pump : en
  • ES132311A1 - A husking and polishing machine for cereals of all kinds and for legumes. : en es
  • US1942162A - Heat insulation : en
  • US1942366A - Casing head equipment : en
  • DE590381C - Heating pads, radiators, heating containers, etc. : de en
  • US1942102A - Hermetic seal for bottles : en
  • ES1695Y - Fastening device for electric screens by pressure and without additional devices. : en es
  • DE590429C - Method and device for washing coal, ore or the like. : de en
  • US1941667A - Printing machine : en
  • US1942220A - Cutting : en
  • ES2215U - Improved device for closing bottles and jars to contain soft drinks (Machine-translation by Google Translate, not legally binding) : en es
  • US1941902A - Baby carrier : en
  • GB403763A - Improvements in and relating to photo-electric cells : en
  • GB404010A - Improvements in the manufacture and production of sulphur : en
  • GB403914A - Improvements in rotary motors : en
  • GB403722A - Improvements in or relating to the manufacture of cases, boxes or crates of timber or the like comprising toothed metal binding strip, and a method of producing the strip : en
  • DE590265C - Cinematographic recording device for recording natural-colored cinematographic images : de en
  • FR757792A - Tilting device for automobile headlights and other uses : en fr
  • US1941508A - Knitted mitten and method of making the same : en
  • DE590498C - Cutting device, especially for foot care : de en
  • US1941484A - Apparatus for bending or creasing cardboard, fiber board, or the like : en
  • US1941501A - Grinding and polishing machine for cutting tools : en
  • US1941643A - Direct current transformer system : en
  • US1941953A - Process and machine for manufacturing tubes : en
  • FR42916E - Improvements to the systems for attaching handles to wooden tedding rakes : en fr
  • GB403755A - Improvements in or relating to mains driven electric clocks : en
  • FR757981A - : fr
  • FR757986A - Improvements to electronic tubes and their circuits : en fr
  • GB403902A - Improvements in or relating to the protection of polished surfaces : en
  • GB404276A - Improvements in and relating to commutators for dynamo electric machines : en
  • GB403962A - Improvements in and relating to a cleaning device or material for windows, silver and other articles : en
  • DE590424C - Two-stroke internal combustion engine with cross-flow or reverse flow flushing and a plurality of flushing slots of different cross-sections : de en
  • GB403875A - Improvements in charging systems for storage batteries : en
  • CA338328A - Non-microphonic tube : en fr
  • GB403850A - Improvements in scuttles for ships' hulls : en
  • CA338336A - Lubricating oil dispensing apparatus : en fr
  • CA338376A - Refrigerating apparatus : en fr
  • US1942327A - Radioreceiver : en
  • US1942364A - Welding electrode : en
  • US1941788A - Bearing : en
  • US1941803A - Method and apparatus for lifting rails : en
  • DE590590C - Device for synchronizing synchronous machines : de en
  • ES131876A1 - A new toy motorcycle system for children. : en es
  • FR757836A - Method and apparatus for bagging materials in valve bags : en fr
  • ES131618A1 - Improvements in the construction of side tables-cabinets, tables-cabinets and other similar furniture. : en es
  • US1942070A - Vehicle seat : en
  • US1942072A - Gas purification : en
  • US1942279A - Airplane : en
  • ES132133A1 - A new automatic trigger system to make way for the extinguishing fluid in firefighting installations on board aircraft. : en es
  • US1941937A - Filling carrier support for looms : en
  • US1941691A - Method of vulcanization : en
  • CA338385A - Water treating compound : en fr
  • CA338400A - Motor vehicle : en fr
  • US1941773A - Electric battery connection : en
  • US1942154A - Animated track diagram for railway systems : en
  • US1941515A - Grab bucket : en
  • US1942234A - Amplifying system : en
  • US1942380A - Radiator : en
  • US1942308A - Window screen : en
  • US1942201A - Process for the production of resins : en
  • GB403782A - Improvements in trucks or the under structure of tramway, railway and other vehicles : en
  • US1941979A - Ticket holder : en
  • US1941985A - Composite sheeting : en
  • FR757893A - Aircraft upgrades : en fr
  • US1941474A - Plastic or coating composition : en
  • US1941933A - Bottle : en
  • US1942042A - Device for sealing machines : en
  • US1941998A - Bread box : en
  • US1942049A - Safety razor and stropping attachment : en
  • US1942343A - Dial for various apparatus : en
  • DE590525C - Automatic heat regulator : de en
  • ES132307A3 - Improvements in the manufacture of light metal pistons for combustion engines. : en es
  • US1941732A - Diverting energy from transmission lines : en
  • US1942029A - Disk brake : en
  • US1941972A - Double seamer : en
  • DE590516C - Device for determining the moisture permeability of packing or insulating materials or the like. : de en
  • GB421808A - Improvements in fuel injection pumps : en
  • GB403911A - Improvements in landing trains for aeroplanes : en
  • ES131412A1 - A procedure to manufacture elastic heels. : en es
  • FR42915E - wire-laying or cable-laying plow prop : en fr
  • DE590560C - Process for the production of boxes covered with metal foils and similar packs pressed from cardboard : de en
  • FR42927E - Washing machine : en fr
  • DE589566C - Process for the preparation of yellow stain dyes : de en
  • DE590515C - Procedure for avoiding the rest field in iron transformers in optical sound, television or similar devices : de en
  • US1942007A - Soft x-ray tube : en
  • ES132571A3 - Procedure for the construction of pavements. : en es
  • US1942253A - Elevator door operating apparatus : en
  • US1941671A - Ductile cast iron and method of making the same : en
  • US1941609A - Process for decomposing ores : en
  • DE590415C - Moving device for withdrawable switchgear : de en
  • DE590585C - Electric starting device, especially for internal combustion engines mounted on vehicles : de en
  • FR757845A - Corrosive gas flow recorder : en fr