• FR757415A - High resistance, impermeable and impermeable magnesian tiles : en fr
  • FR757535A - Ionization process of the explosive mixture of internal combustion engines : en fr
  • SU33595A1 - Liquid rheostat : en ru
  • SU33765A1 - The way to protect the combs in the shops of hives, frames, etc. from envy : en ru
  • GB403574A - Improvements in or relating to house-shoes or slippers : en
  • GB403596A - Improvements in or relating to casings for rotary piston engines : en
  • US1940684A - High pressure sight feed : en
  • CA338238A - Telephone system : en fr
  • US1940969A - Wall panel : en
  • GB403450A - Improvements relating to the discharging of coal, coke and other solid substances from storage chambers and the like : en
  • US1941202A - Alloy steel : en
  • US1940953A - Shock absorbing car structure : en
  • US1941442A - Multistage centrifugal pump : en
  • US1940783A - Apparatus for testing external : en
  • DE590317C - Arrangement of single or multi-pole plug switches : de en
  • DK48184C - Galvanic Element of the Leclanche type. : da en
  • SU33634A1 - Apparatus for recording arterial and venous pressure : en ru
  • SU33760A1 - Device for central air heating of greenhouses, greenhouses, etc. : en ru
  • US1940821A - Hydraulic jack : en
  • FR757623A - Improvements in the automatic evacuation of soot, ash and the like : en fr
  • FR757670A - Clarinet with diatonic touch : en fr
  • GB403640A - Improved means for eliminating smoke and/or improving combustion in boilers of the locomotive type : en
  • FR757388A - Improved method and apparatus for studying mobiles : en fr
  • FR757605A - aircraft balancer-lift : en fr
  • GB403716A - Improvements in and relating to a.c. induction electricity meters : en
  • GB403533A - Improvements in or relating to reels for automatically manufacturing tied up or crossed hanks : en
  • FR757665A - Saddle : en fr
  • SU33665A1 - Adaptation to the trimmer for automatic descent of the rails : en ru
  • US1941229A - Alternating current signaling system : en
  • PL19335B1 - Oil cracker. : en pl
  • US1940968A - Paneling structure : en
  • US1941113A - Terminal for wire cables : en
  • US1941135A - Lubricating device : en
  • FR757653A - Brake device for bicycle : en fr
  • FR757390A - Steam plant : en fr
  • US1941275A - Sanding machine : en
  • AT136091B - Decorative and protective capsule for bottles. : de en
  • BE399929A - : en
  • CH166363A - A tunable oscillation system consisting of capacitively coupled circles. : de en
  • DE590372C - Switch with protective resistor : de en
  • FR757608A - Device for capturing crawling insects with guiding surfaces leading to a trap : en fr
  • US1940994A - Safety zone guard : en
  • US1941114A - Tube building method and apparatus : en
  • DE590208C - Device for the heat treatment of all kinds of goods by means of a traveling grate and a downstream rotary kiln : de en
  • AT136068B - Pressure hose carrier. : de en
  • FR757698A - Method for improving the resistance of cathodes in the electrolysis of molten salts : en fr
  • GB403448A - Improvements in or relating to multiple pin plugs and combined multiple pin plugs and sockets for electrical plug and socket contacts : en
  • CH166161A - Desk for dressing tables and other furniture. : de en
  • SU33701A1 - Machine for measuring skin area : en ru
  • FR757363A - Process for the manufacture of opacified, white or colored glazes, in particular enamel glazes : en fr
  • FR757431A - Improvements to switches and electrical switches : en fr
  • US1940960A - Compressed air power unit : en
  • AT135994B - Method and device for the catalytic combustion of flammable or explosive gas mixtures containing ammonia and oxygen. : de en
  • GB403464A - Improvements relating to the control of direct current electric motors : en
  • FR757444A - Method of manufacturing colorful spouting effect fireworks body : en fr
  • FR757561A - Electrically triggered boules device : en fr
  • SU33758A1 - Manual cotton banding device : en ru
  • CA338101A - Folding chair : en fr
  • CH166267A - Elastic balance for watch movements and other watch movements. : en fr
  • AT135946B - Telecommunication cables with air space cores. : de en
  • CH166117A - Hollow wall, consisting of a concrete outer wall and an inner wall made of insulating material. : de en
  • SU33727A1 - Counting device to typewriter : en ru
  • FR757409A - indirect heat exchanger functioning as a centrifugal dust collector : en fr
  • FR757420A - Reflective system for short electric waves : en fr
  • FR757492A - Improvements to automatic clutch and disengage drives : en fr
  • FR757597A - Internal combustion engine with front chamber : en fr
  • US1940815A - Rubber composition and method of preserving rubber : en
  • US1941134A - Lubricating device : en
  • FR757545A - Board game : en fr
  • DE590325C - Process for the production of objects with a coating or outer part made of rubber, balata, gutta-percha etc. or mixtures of these substances : de en
  • GB403693A - Improvements in or relating to apparatus for waving hair : en
  • FR757658A - Cathode ray tube and mounting device for tubes of the same kind, in particular for television : en fr
  • GB403474A - Improvements in baling presses : en
  • CH166359A - Curling iron. : de en
  • AT136072B - Pneumatic tire jacket with nail protection. : de en
  • FR757703A - Advanced bottle brush for cleaning bottles : en fr
  • FR757398A - Hammer refinements : en fr
  • US1941206A - Fiber scutching and deseeding machine : en
  • DE590213C - Drawing iron and similar tools : de en
  • DE589997C - Device for the preparation of blanks made of paper or cardboard for the production of hollow bodies : de en
  • US1941326A - Pipe : en
  • PL19364B1 - Projectile with saw blades, especially for smooth-barreled cannons. : en pl
  • FR757412A - Device for preparing cocktails or other drinks of varying compositions : en fr
  • FR757611A - Extendable tube, particularly suitable as a support leg branch : en fr
  • FR757662A - Cigarette case device : en fr
  • GB403492A - Improvements in and relating to students' holdalls, pencil and like cases : en
  • US1940846A - Rock drill blowing device : en
  • FR757686A - Propulsion device for vehicles : en fr
  • GB403668A - Improvements in brake mechanism for vehicles and the like : en
  • US1941207A - 3-carboxy-4-hydroxy-diphenyl and salts thereof : en
  • GB403504A - Household brush : en
  • GB403598A - Improvements in or relating to injection pumps for internal combustion engines : en
  • GB403616A - Improvements in and relating to the manufacture of high tension electric cables : en
  • FR757685A - Means for supplying fuel to internal combustion engines : en fr
  • GB403666A - Improvements in and relating to valve mechanisms for internal combustion motors and compressors : en
  • GB403669A - Improvements in or relating to vehicle wind screens : en
  • CA338143A - Solid dispersing method : en fr
  • CH166139A - Pipe connection. : de en
  • FR757376A - Method for producing color photographic images : en fr
  • US1941128A - Container, more particularly for nitriding purposes : en
  • PL19432B1 - A method of producing masses for extruding shapes from them. : en pl
  • US1941037A - Ventilating fan : en
  • US1941409A - Tufting button : en
  • PL19426B1 - Roller cotton wool bag for cigarette tubes. : en pl
  • SU33523A1 - Devices for cutting fabric flooring : en ru
  • SU33839A1 - Dratva machine : en ru
  • US1940670A - Railway draft rigging : en
  • US1940851A - Corn harvester : en
  • BE399792A - : en
  • CH166237A - Device on die setting and line casting machines with die rods guided in a circuit on wires, in order to push each individually set die rod into the collecting point in a vertical position. : de en
  • DE590323C - Pipe connection piece, especially for connecting vacuum cleaner lines : de en
  • PL19416B1 - Conveyor device for removing combustion residues in steam boilers. : en pl
  • US1941214A - Hospital bed adjusting mechanism : en
  • FR757450A - Insecticide and fungicide product : en fr
  • US1940993A - Thickener : en
  • US1941411A - Regenerative glass melting furnace and burner control mechanism therefor : en
  • FR757565A - Improvements in measuring the resistance of earth electrodes : en fr
  • DE590297C - Device for energy storage for the auxiliary work in electrically or mechanically wound clocks or drives : de en
  • FR757650A - A process for removing sticky materials or grease adhering to wool and other animal textile fibers : en fr
  • SU33717A1 - Device for improving the accuracy of readings in devices such as Martens : en ru
  • BE399474A - : en fr
  • DE590161C - Process for hardening the lacquer layers of coils for electrical machines and transformers : de en
  • FR757680A - Process for the preparation of compositions and articles containing rubber or the like : en fr
  • GB403707A - Improvements in kilns for use in the manufacture of lime : en
  • SU33615A1 - Band filter : en ru
  • US1940844A - Relay mounting : en
  • PL19407B1 - A spirit cooker with automatic igniter. : en pl
  • SU33599A1 - Electric machine with forced ventilation : en ru
  • AT135963B - Methods and devices for the production of composite tools and implements. : de en
  • CH166285A - Apparatus for sharpening knife blades. : de en
  • CA338128A - Stove baffle : en fr
  • US1941075A - Electrical induction furnace : en
  • US1941155A - Wireless receiving apparatus : en
  • US1941182A - Flash point testing machine : en
  • US1940845A - Brake : en
  • US1941126A - Medicine cabinet : en
  • US1941343A - Apparatus for making brushes : en
  • SU33755A1 - Flax spreading machine : en ru
  • DE590241C - Device on typewriters to secure the writing limit at the lower edge of the sheet of paper : de en
  • DE590394C - Pump with a cylindrical housing : de en
  • DK48199C - Of two symmetrical halves composed Element boiler. : da en
  • FR757514A - Advanced spring cushion : en fr
  • AT135948B - Multiple mirror screw. : de en
  • CH166111A - Cutting apparatus for mowers. : de en
  • CH166147A - Air heater for furnaces. : de en
  • CH166411A - Process for the preparation of an antimony III complex salt. : de en
  • SU33482A1 - Centrifugal gold platinum washing machine : en ru
  • SU33661A1 - Wood beam : en ru
  • SU33719A1 - Instrument for determining the porosity of bodies and the size of pores in them : en ru
  • GB403609A - Improvements in or relating to speed governors for explosion or internal combustion engines : en
  • US1940732A - Car dumping mechanism : en
  • US1941053A - Process of manufacturing balls and small articles of closed-cell cellular rubber : en
  • GB403480A - Process for the vulcanisation of caoutchouc : en
  • GB403697A - Improved rack or support for detachably supporting hooks, brackets or the like : en
  • AT136034B - Board game. : de en
  • AT136052B - Endless chain for vehicles. : de en
  • US1941180A - Tufting button : en
  • SU33555A1 - Spring bolt for axle boxes with detachable bottom : en ru
  • SU33881A1 - Cathode lamp : en ru
  • US1941157A - Electron discharge apparatus : en
  • GB403979A - An improved means for securing an inner element, such as a spindle, within a hole in an outer element, such as an actuating knob for the same : en
  • SU33625A1 - A method of preventing asphalt tar from sticking to the walls of metal cans, molds, etc. : en ru
  • SU33889A1 - A device for supplying fuel in internal combustion engines with a periodic supply of air under pressure (boost) : en ru
  • US1940665A - Crate for can ends : en
  • US1941133A - Lubricating device : en
  • US1941174A - Hose nozzle : en
  • PL19409B1 - Method] of producing electrodes for welding. : en pl
  • CA338142A - Shovel : en fr
  • CA338132A - Adhesive applicator : en fr
  • US1940907A - Fish lure : en
  • US1940999A - Valve : en
  • US1941349A - Manufacture of vegetable condensation products : en
  • FR757457A - Drawing compass head mounting system : en fr
  • CH166203A - Process for making beer. : de en
  • US1941040A - Process and device for cleaning precious metals, especially silver : en
  • US1941070A - Heterodyne wireless receiver : en
  • US1941122A - Brake : en
  • US1941425A - Air conditioning device : en
  • PL19413B1 - Mill with a drum, equipped with an automatic feeding device. : en pl
  • US1941332A - Antiglare device : en
  • SU33512A1 - Single scraper excavator for loading rocks in the shaft : en ru
  • SU33557A1 - Automatic coupling for railway rolling stock : en ru
  • US1941031A - Window sash latch : en
  • CA338148A - Concrete vibrator : en fr
  • CH166325A - Device for winding rotors of multi-pole electrical machines. : de en
  • SU33847A1 - The composition and method of manufacturing an insulating material for electrical heaters : en ru
  • BE399990A - Beach tennis racket : de en fr
  • AT135992B - Apparatus for the optional recovery of either absolute alcohol or high grade rectified alcohol. : de en
  • CH166352A - Apparatus for suturing tissue, mainly living tissue. : en fr
  • PL19326B1 - Method for the production of metallic magnesium from magnesium oxide. : en pl
  • SU33815A1 - The method of manufacture of printing plates with a set of : en ru
  • US1940807A - Bituminous emulsions and process of making same : en
  • CH166398A - Trouser press. : de en
  • SU33585A1 - Transformer cathode amplifier : en ru
  • US1940745A - Machine for finishing flooring : en
  • US1941160A - Draft gear mechanism : en
  • US1941375A - Automobile trunk : en
  • US1941441A - Liquid-container closer with liquid dispenser : en
  • CH166274A - Automatic time reset device for electric watch installations. : en fr
  • US1940739A - Sign posting hammer : en
  • SU33734A1 - Lag : en ru
  • SU33818A1 - Airboat : en ru
  • SU33685A1 - The device for drawing arcs of a circle : en ru
  • US1941240A - Lifting apparatus : en
  • PL19372B1 - Lasers for making cutouts of fatty dough, marzipan or similar materials. : en pl
  • US1941090A - Radio tuning system : en
  • FR757395A - Lung exerciser : en fr
  • AT135955B - Method for periodically controlling the ignition of a tube filled with ionized gas. : de en
  • CA338250A - Saving bank device : en fr
  • GB403502A - Improvements in or relating to electric conductors, especially communication or high-frequency cables : en
  • FR757645A - Chairs in elastic material : en fr
  • GB403476A - An apparatus for governing the speed of motor and the like vehicles : en
  • FR757355A - Maneuver signal for road vehicles : en fr
  • GB403439A - Improvements relating to the recovery of the principal constituents of pyroligneous acid : en
  • US1941015A - Mail handling apparatus : en
  • US1941102A - Balancing ocean cable : en
  • CH166205A - Process for preparing a food salt intended for animals. : en fr
  • CH166120A - Holder for lightning protection cables on building roofs. : de en
  • CA338254A - Automobile heater and deflector : en fr
  • US1940706A - Leakproof collapsible tube : en
  • US1940811A - Purifying tetryl : en
  • US1940988A - Process for the preparation of organic acids : en
  • CA338112A - Book leaf holder : en fr
  • CH166386A - Device for preventing rail vehicles from derailing. : de en
  • BE399603A - : en
  • US1940908A - Guard finger and ledger plate for mowing machines : en
  • SU33735A1 - Automatic machine for receiving and stamping mailings : en ru
  • CA338141A - Railway car truck : en fr
  • SU33892A1 - Continuous Concrete : en ru
  • CA338151A - Radio receiver control system : en fr
  • FR757493A - Improvements to t devices. s. f. : en fr
  • FR757602A - Device for controlling a valve provided with control grids, for example a mercury vapor rectifier : en fr
  • AT136036B - Method and device for loosening up and removing dust from raw and cut tobacco using an air stream passed through a duct. : de en
  • BE399762A - Sport game : en nl
  • AT136001B - Sand and ballast sorting machine. : de en
  • CA338181A - Winding machine : en fr
  • CH166118A - Chamber building block. : de en
  • CH166172A - Drive device for spinning and twisting spindles. : de en
  • CH166391A - Pressurized fluid braking device. : en fr
  • FR757456A - Dosing device, in particular for filling stylographs : en fr
  • AT135964B - Seating furniture made of resilient material. : de en
  • CA338180A - Iron and steel coating method : en fr
  • FR757712A - Improvements to reciprocating electric motors : en fr
  • GB403572A - Improvements in glass melting furnaces : en
  • SU33598A1 - Device for protection of substations from overvoltages : en ru
  • US1940980A - Power actuator : en
  • US1941251A - Treatment of hydrocarbon oils : en
  • CH166365A - Device comprising an alarm clock and making it possible to control an electrical circuit at a time determined in advance. : en fr
  • DE590148C - Circulatory lubrication device for the transmission of towing vehicles, especially caterpillar vehicles : de en
  • GB403522A - Improvements in and relating to liquid fuel burning apparatus : en
  • US1940682A - Tubing separator : en
  • US1940857A - Secondary vacuum system : en
  • US1941106A - Material handling machine : en
  • DE590200C - Fluid pump with reciprocating pistons driven by an eccentric : de en
  • US1940929A - Electric motor controlling system : en
  • SU33674A1 - Plastering machine : en ru
  • US1941400A - Wrecking car : en
  • CH166261A - Device for conveying and storing a strip-shaped organ used to record vehicle speeds. : de en
  • CH166338A - Equipment for the operation of X-ray tubes. : de en
  • AT136022B - Handle for soap and bar of soap for this. : de en
  • CH166258A - Machine gun with band or. belt-shaped cartridge feeder. : de en
  • DE549851C - Wireless electric television : de en
  • CA338252A - Gasoline tank baffle : en fr
  • CH166407A - Device for monitoring the cooling water temperature in explosion engines for driving motor vehicles. : de en
  • FR757729A - Quick-release buckles enhancements : en fr
  • GB403475A - Improvements in telephone systems : en
  • SU33571A1 - Device for automatic recording in station log : en ru
  • CH166289A - Shirt button. : de en
  • SU33500A1 - Multi-hole drill press : en ru
  • SU33640A1 - Upper limb splint : en ru
  • US1940695A - Safety pocket : en
  • US1941239A - Gauge : en
  • DE582938C - Alloys that are hot-workable : de en
  • US1940713A - Horologic device for closing an electric circuit : en
  • US1941042A - Seal : en
  • US1941242A - Minnow trap : en
  • AT136066B - Automatic brake adjustment device, in particular for motor vehicles. : de en
  • US1940729A - Split sleeve for repairing pipe joints : en
  • DE590006C - Airplane with a wing rotor : de en
  • SU33568A1 - Rail pedal : en ru
  • SU33621A1 - Induction furnace for heating metal blanks : en ru
  • US1941313A - Submersible motor : en
  • US1941187A - Ignition control apparatus : en
  • DE590264C - Mutoscope : de en
  • SU33600A1 - Electric transformer : en ru
  • SU33821A1 - Submarine ship for work at great depths : en ru
  • SU33584A1 - Modulator device : en ru
  • FR757356A - Improvements to devices used to humidify the air : en fr
  • SU33660A1 - Ceramic radiator : en ru
  • SU33799A1 - Press attachment to hold the workpiece during punching : en ru
  • FR757590A - Antifreeze device that can be adapted to fire hydrants, sprinklers, pumps, etc. : en fr
  • AT135931B - Crankshaft with counterweights attached to its cheeks, especially for internal combustion engines. : de en
  • US1941009A - Apparatus for electrothermal dissociation of organic liquids : en
  • US1941154A - Process of reducing the solution viscosity of cellulose fiber : en
  • US1941336A - Scatter load for shotgun shells : en
  • GB403469A - Improved process for the production of finely divided metals by precipitation of their salts by means of metals in powdered form : en
  • FR757624A - Improvements to vehicle brakes : en fr
  • FR757701A - Improvements to the assembly of paintings, panels, medallions or advertising plaques, or other similar objects : en fr
  • US1940750A - Window balancing means : en
  • US1941069A - Radiosignaling : en
  • PL19378B1 - A device for castrating birds, especially roosters. : en pl
  • SU33518A1 - Pipe wrapping machine : en ru
  • US1940709A - Manufacture of cellulose derivatives : en
  • PL19424B1 - A device for self-adjusting of the deformation of the elastic tools connecting the chassis with the body. : en pl
  • US1941168A - Bottle filling and crowning machine : en
  • SU33805A1 - Dewatering part of paper machine : en ru
  • DE590195C - Method for determining the forces and moments occurring on a loaded structure : de en
  • DE590271C - Rudder for two-screw vessels with large width and shallow draft : de en
  • DE590388C - Process for the extraction of metals from ores : de en
  • FR757524A - Costume jewelry : en fr
  • SU33631A1 - Dust Fuel Nozzle : en ru
  • US1941210A - Electric switch : en
  • US1940666A - Battery terminal : en
  • CA338136A - Variable speed power transmission : en fr
  • GB403539A - Turbine plant for elastic fluid : en
  • AT136010B - Process for the preparation of sulphonic acids of the indole series. : de en
  • FR757566A - : fr
  • GB403459A - Improved portable electrically-driven grinding, polishing or surfacing machine for stone and like hard materials : en
  • PL19386B1 - The method of purifying a solution of calcium nitrate. : en pl
  • SU33752A1 - Manual cotton stripper with open bolls : en ru
  • GB403978A - Process for the production of iron or/and steel : en
  • US1940702A - Air service hose rack : en
  • US1940802A - Control device for fractionators and the like : en
  • US1941089A - Safety device : en
  • US1941177A - Combined slider and locking means : en
  • CH166184A - Vat dye preparation. : de en
  • SU33774A1 - Safety device for internal combustion engines : en ru
  • BE399528A - : en
  • DE590181C - Device for displaying hoarfrost deposits on high-voltage overhead lines : de en
  • PL19358B1 - A device that allows various pieces of furniture to be put together. : en pl
  • CH166293A - Ball bearing. : en fr
  • SU33477A1 - Method of making cliches for glass printing : en ru
  • US1940737A - Method of casting stereotype plates : en
  • CH166387A - Circulating conveying element in axle bearings to secure the lubricant conveyance at all rotating speeds of the steering knuckle. : de en
  • GB403500A - Improvements in or relating to wheels for vehicles : en
  • FR757580A - Process for manufacturing antiseptic and disinfectant products and products obtained by applying said process : en fr
  • GB403573A - An exercising or amusement apparatus adapted for carrying passengers : en
  • FR757634A - Process for mixing suspended matter with other matter of all kinds : en fr
  • FR757736A - Process and apparatus for the continuous distillation of miscelles and deodorization of oils and fats in a single operation : en fr
  • DE590186C - Frequency meter : de en
  • US1940677A - Removable cylinder : en
  • GB403571A - Improvements in carrier current signalling systems : en
  • FR757359A - High voltage transformer : en fr
  • GB403652A - Improvements relating to mops or polishing pads : en
  • FR757447A - Annular piston hydraulic cylinder : en fr
  • FR757564A - Apparatus for finishing rough pavements : en fr
  • FR757789A - : fr
  • FR757357A - Artificial resin cage for bearings, especially for ball bearings : en fr
  • FR757556A - Improvements to permanent sanitization processes, sanitizing compositions and products obtained by this process : en fr
  • GB403512A - Improvements in spring balances or weighing machines : en
  • US1940996A - Drill : en
  • US1941342A - Ignition apparatus : en
  • FR757710A - Device for producing pulsating or alternating currents of high frequency : en fr
  • FR757516A - : fr
  • FR757538A - Improvements to vehicles with treads : en fr
  • FR757654A - Process and machine for the manufacture of building elements of all kinds, with reinforced iron frame in the form of a frame : en fr
  • SU33630A1 - Device for protecting metal heat exchangers from extreme heat : en ru
  • US1940945A - Reactive stoker : en
  • US1941189A - Container head or end wall construction : en
  • DK48196C - Door, Gate or similar. : da en
  • PL19339B1 - A method of roasting particles containing zinc and iron sulphides in a gas suspension, and a device for this purpose. : en pl
  • CA338193A - Turbine shaft bearing : en fr
  • PL19421B1 - Method for diffusing beetroot slices to obtain sugar-rich pulp. : en pl
  • PL19311B3 - Device for arc extinguishing in electric switches with contacts immersed in liquid. : en pl
  • CH166202A - Work table for food processing, especially those in butcher shops. : de en
  • DK48194C - Device for pantograph current collection devices for electric railways and the like. : da en
  • FR757694A - Toggle double-sided cufflink : en fr
  • SU33712A1 - Method for making celluloid plates : en ru
  • US1940795A - Pendular suspension for rear driving wheels of motor vehicles : en
  • CH166286A - Process for branding characters on metal surfaces and a burning pen. : de en
  • US1940708A - Leather splitting machine : en
  • PL19337B1 - Coke extinguishing tower. : en pl
  • US1941022A - Method of assembling clutch parts : en
  • AT136027B - Drying system. : de en
  • US1940668A - Hydraulic press surge control : en
  • SU33662A1 - Fitting to the saw-frame for mounting, fixing and tensioning saws : en ru
  • AT135972B - Small electric machine with rotating tool, in particular grinding tool. : de en
  • CA338166A - Spinning machine : en fr
  • SU33772A1 - Device for ignition in internal combustion engines : en ru
  • CH166319A - Absorption chiller. : de en
  • SU33563A1 - Electric switch with internal locking : en ru
  • DE590392C - Manufacture of seamless containers for high-tension or liquefied gases : de en
  • US1940970A - Game : en
  • US1941386A - Curtain stretcher : en
  • CA338218A - Staple making machine : en fr
  • CH166406A - Internal combustion engine of the liquid fuel injection and compression ignition type. : en fr
  • DE590277C - Cooker for boiling liquids : de en
  • DK48181C - Apparatus for use in inflating air rings or other bodies from a source of pressure medium. : da en
  • GB403564A - Improvements in or relating to transportation systems : en
  • US1940948A - Heat treating system : en
  • AT136029B - Cultivator, extirpator, etc. Like. With laterally adjustable rows of shares. : de en
  • DE590176C - Closing device for superheater pipes : de en
  • AT135938B - Circuit arrangement for initiating switching operations in telephone systems. : de en
  • CH166110A - Machine for topping stalk plants. : de en
  • PL19383B1 - Method of producing ethyl alcohol. : en pl
  • CH166125A - Beam with telescopic parts for temporary support when shuttering concrete structures. : de en
  • CH166133A - Electric heat accumulation furnace. : de en
  • DE590156C - Device for accelerating sludge digestion in sludge digestion rooms : de en
  • CA338099A - Stapling machine : en fr
  • USD91254S - Design fob a child s vehicle : en
  • BE399877A - Improvements to inhalers : en fr
  • CH166287A - Process for the production of panels consisting of one or more layers with a refined outer surface. : de en
  • FR757550A - Transmission improvements : en fr
  • DE590266C - Hydraulic fruit and wine press : de en
  • FR757715A - Process for the floating of minerals : en fr
  • GB403449A - Tractors and like vehicles : en
  • GB403580A - Improvements in machines for binding bales or articles with wire : en
  • FR757499A - Beret in several colors and improvements made to so-called `` beret looms '' with a view to its manufacture : en fr
  • FR757731A - Steam production plant : en fr
  • PL19388B1 - Hammer contact for actuators. : en pl
  • SU33689A1 - Instrument for checking the concentricity of the outer and inner surfaces of hollow cylindrical articles : en ru
  • PL19316B3 - Machine for fusing pillars, carrying filaments, into glass banks of electric bulbs or similar closed glass vessels, provided with a device for shaping the necks of glass bubbles. : en pl
  • SU33504A1 - Mechanical shovel : en ru
  • SU33793A1 - Machine for rolling circular and band saws : en ru
  • SU33876A1 - Radio receiver : en ru
  • US1940784A - Lubrication method and installation and the element thereof : en
  • US1941054A - Lathe center : en
  • AT136008B - Process for the production of solid shaped pieces from fibrous materials. : de en
  • PL19345B1 - The method of soldering cells in jewelry chains. : en pl
  • DE590224C - Picture sound film reproducing machine : de en
  • US1940832A - Conveyer belt : en
  • US1941446A - Regenerative air preheating : en
  • SU33579A1 - Dialer test set for automatic telephone exchanges : en ru
  • US1941212A - Means for the preparation of mica products from scrap mica : en
  • DE590296C - Device for loading bulk goods from storage areas into ships : de en
  • AT135949B - Automatic temperature switch. : de en
  • AT135980B - Stackable chairs, tables or the like. : de en
  • SU33591A1 - Method of distributing high frequency energy : en ru
  • US1941352A - Process of making a pectous composition : en
  • PL19318B1 - Method of conducting catalytic reactions. : en pl
  • SU33864A1 - Hydraulic beet conveyor : en ru
  • USD91256S - Design fob a child s scooter : en
  • AT135936B - Mercury interrupter. : de en
  • GB403581A - Improvements in or relating to valves for internal combustion engines : en
  • SU33754A1 - Cutting machine for cleaning machines : en ru
  • SU33801A1 - The method of making hunting shot from cast iron : en ru
  • US1941371A - Process for making fertilizer : en
  • FR757695A - Radio alarm device : en fr
  • SU33810A1 - A method of making two-sided photographic paper : en ru
  • USD91250S - Design for a finger ring : en
  • CH166385A - Disc clutch. : de en
  • CH166399A - Pressure device for stretching mechanisms for textile wicks. : en fr
  • US1940659A - Transport equipment for highway construction machines and the like : en
  • US1940982A - Machine for placing labels on articles : en
  • CH166401A - Process for the preparation of an acidic wool dye of the anthraquinone series. : de en
  • US1940920A - robinson : en
  • PL19330B1 - A method of producing products containing solid potassium hypochlorite. : en pl
  • SU33792A1 - Hole drilling device : en ru
  • US1940974A - Waterproof and water-repellant insulation : en
  • US1941246A - Superheater with temperature control : en
  • USD91241S - Design for an ice cream cone : en
  • CH166328A - Inductor for magnetos. : en fr
  • AT136100B - Device for opening and breaking box sleeves. : de en
  • SU33858A1 - Self-closing faucet for water and washing : en ru
  • US1941101A - Process for producing a steel having a lesser tendency to blue fracture and brittleness due to ageing : en
  • US1940956A - Resettable fuse : en
  • PL19396B1 - Filtering device. : en pl
  • US1940867A - Circuitous elevator : en
  • US1941073A - Pneumatic sound reproducer : en
  • AT135985B - Pyrophoric petrol lighter in pocket watch shape. : de en
  • AT135952B - Circuit arrangement for telegraph switching systems with mutual final signaling. : de en
  • FR757490A - Improvements in petroleum processing by intermediate processing of gas oil, wax oil and lubricating oil fractions : en fr
  • PL19366B1 - Device for setting sheets in folders. : en pl
  • US1941152A - Can machinery : en
  • US1941317A - Shuttle : en
  • SU33721A1 - Device for determining the angle of repose of loose bodies : en ru
  • SU33886A1 - Dual Piston Fluid Piping Gauge : en ru
  • DE590170C - Process for cleaning drinking water of all kinds, especially those waters that contain iron, manganese and aggressive carbonic acid : de en
  • GB403441A - Improvements in dials or adjustment devices for tuning wireless receiving apparatus : en
  • US1940686A - Vibration dampening mounting : en
  • US1940913A - Railway traffic controlling apparatus : en
  • US1941038A - Electric machine : en
  • US1941215A - Electric pencil sharpener : en
  • FR757614A - Control device for drawers for dry type gas meters. : en fr
  • US1941100A - Display fixture : en
  • CH166296A - Method for sealing the butt joints in gas pipelines. : de en
  • US1940897A - Extension table : en
  • US1941225A - Panic-release doorlock : en
  • DE590254C - Electric flow heater, the switch of which consists of a contact arm mounted on the spindle of the stopcock and a contact lamella arranged on the cover of the heater : de en
  • US1941389A - Winding device for use in permanent waving : en
  • CH166372A - Illuminated advertising facility. : de en
  • SU33866A1 - Machine for dry cutting sugar heads : en ru
  • SU33756A1 - Adaptation to the pick-up for feeding the bread folded in the pile to the threshing combine : en ru
  • US1940854A - Reactor : en
  • US1941340A - Nestable chair : en
  • SU33617A1 - Induction type electric heater : en ru
  • CA338242A - Sound translating device : en fr
  • CA338215A - Loose leaf binder : en fr
  • CH166345A - Feed device for gas consumers with built-in gas pressure regulator. : de en
  • AT135999B - Method for unwinding artificial silk spider cake. : de en
  • AT136078B - Pantograph. : de en
  • BE399799A - : en
  • CH166397A - Wooden structure for making walls, floors and the like. : de en
  • BE398497A - Device for the passage of fluids from an air compressor, or other device, mounted on an elastic support, to a reservoir or other component fixed to the frame : en fr
  • SU33475A1 - Automatically adjustable oil seal : en ru
  • SU33487A1 - Impact drilling device : en ru
  • SU33684A1 - Device for the release of aluminum from the electrolyzer : en ru
  • SU33474A1 - Device for feeding a rod on a steam locomotive : en ru
  • SU33800A1 - Adaptation to the press for assembling chain links Gall : en ru
  • US1941296A - Mechanism for knitting full fashioned hosiery : en
  • CH166269A - Self-winding portable timepiece. : en fr
  • SU33483A1 - Gold excavator : en ru
  • US1940747A - Antitheft device : en
  • US1941281A - Ornamented felt and felt material : en
  • AT135962B - Device for oblique parting and dividing of pipes and for making curved cuts using a cutting torch. : de en
  • AT136098B - One-handed repeating pistol. : de en
  • PL19353B1 - Central heating boiler. : en pl
  • AT136082B - Pneumatic wheel. : de en
  • PL19395B1 - Machine for making bottles, flasks and other empty glass items. : en pl
  • SU33532A1 - Water filter for cooling boats : en ru
  • US1941048A - Valve-closed metal container : en
  • US1941220A - Rectal anzesthetics and analgesics : en
  • SU33497A1 - Oil well fire extinguishing device : en ru
  • US1940774A - Method of treating whole grain corn for canning : en
  • US1940976A - Paper trimmer : en
  • AT135957B - Control device for vacuum arc apparatus. : de en
  • CH166370A - Device for displaying advertisements running like leaves. : de en
  • US1940870A - Metal-to-glass seal : en
  • SU33744A1 - Potato harvesting machine : en ru
  • US1940977A - Metallurgical process and apparatus : en
  • US1941321A - Hand operated traffic line painting brush : en
  • DE590298C - Pump storage plant with additional slopes : de en
  • DE590370C - Axle drive for compression refrigeration machines on vehicles, especially refrigerated rail cars : de en
  • CA338198A - Piston skirt expander : en fr
  • CA338217A - Loose leaf binder : en fr
  • CH166119A - Skylight. : de en
  • SU33681A1 - Contact for electrolytic baths : en ru
  • CA338248A - Bobbin : en fr
  • USD91230S - Design for a combined necktie back : en
  • AT135901B - Device for sewing the free thread end of sewn rings, in particular twisted buttons. : de en
  • SU33534A1 - Method for producing barium sulphate : en ru
  • FR757489A - Method and apparatus for the manufacture of electric cables and resulting products : en fr
  • GB403705A - Improvements in or relating to gas producers : en
  • PL19362B1 - Tool for troweling the floor, mortar. : en pl
  • SU33802A1 - The method of grinding materials : en ru
  • CA338091A - Electric heating element : en fr
  • CH166208A - Melting kettles, in particular for impregnating compounds. : de en
  • US1941331A - Vehicle spring : en
  • US1941029A - Harvester thresher : en
  • CH166193A - Exchangeable running stain on shoe heels, especially women's shoe heels. : de en
  • DE590177C - Dowel made of wood or similar material with a bore that narrows downwards : de en
  • DE590313C - Heat exchange device with tubes running parallel to one another and corrugated ribs running transversely to these : de en
  • CA338129A - Steam heating system : en fr
  • DE590245C - Arrangement for generating alternating currents with a given curve shape : de en
  • GB404719A - Improvements in or relating to sighting apparatus : en
  • PL19403B1 - A method of permanent bonding of metal plates with various types of materials and of protecting the external surfaces of the parts to be bonded against the effects of weather conditions. : en pl
  • SU33580A1 - Method of frequency transformation down : en ru
  • US1940672A - Lamp shade and method for making the same : en
  • AT136043B - Device for printing price tags u. like : de en
  • PL19354B1 - -43 ^ 49 C, 22/03. Saw sharpener : en pl
  • SU33722A1 - Apparatus for determining the scatterability of cereals : en ru
  • SU33869A1 - The method of rolling ribbed profiles : en ru
  • US1940690A - Crane : en
  • AT135915B - Method and device for gluing sheets, cards, labels or the like. : de en
  • AT136099B - Trigger device for firearms with a double trigger. : de en
  • SU33530A1 - Salt storage : en ru
  • US1940828A - Feed water regulator : en
  • US1940966A - Pencil sharpener : en
  • US1940836A - Retractable landing gear : en
  • US1941045A - Machine for applying solder to cans : en
  • AT136024B - Process for the production of photographic reproductions in natural colors for viewing in reflected light. : de en
  • PL19404B1 - Squeegee with a cloth holder. : en pl
  • US1940678A - Process of treating alloys : en
  • BE399687A - : en
  • BE399702A - : en fr
  • CA338182A - Sealed receptacle : en fr
  • CH166156A - Foldable sofa that can be used as a double bed. : de en
  • SU33794A1 - Machine for rolling circular and band saws : en ru
  • US1941344A - Dissector target : en
  • US1941422A - Vacuum producing and heating apparatus : en
  • BE399464A - : en
  • CH166190A - Exchangeable tread on shoe heels. : de en
  • CH166379A - Facility for loading and unloading a vehicle onto and from another. : de en
  • DE590301C - Pit lamp holder : de en
  • FR757477A - Improvement in ratcheting or retaining devices : en fr
  • FR757482A - Heat resistant finish intended to make fabrics impermeable to powdery or filamentary products and fabrics provided with said finish : en fr
  • GB403561A - Plain bearings for shafts fitted with a collar : en
  • SU33588A1 - Amplifier : en ru
  • AT135921B - Device to facilitate the starting of internal combustion engines. : de en
  • CA338199A - Hormone production : en fr
  • CA338082A - Catalytic reaction : en fr
  • US1941181A - Card table attachment : en
  • AT136057B - Automatic brake adjustment for motor vehicles and railroad vehicles. : de en
  • CA338104A - Motor driven sleigh : en fr
  • CH166360A - Device on vending machines with two or more goods drawers for the purpose of pulling out any drawer the other respectively. to block each of the other drawers. : de en
  • DE589912C - Process for the production of high quality iron hollow bodies, for example chambers for water tube boilers : de en
  • US1940735A - Limiting amplifier : en
  • DE590178C - Spring tongue switch for grooved rails : de en
  • SU33725A1 - Aneroid barometer : en ru
  • SU33739A1 - Digging Soil Disintegrator : en ru
  • US1940781A - Combined score pad and game score indicator : en
  • CH166108A - Pulling and steering device on mowers. : de en
  • BE399491A - : en
  • FR757399A - Cylinder head for engines : en fr
  • GB403964A - Feed-back circuits : en
  • AT135927B - Pre-chamber with core, especially for crude oil internal combustion engines. : de en
  • CA338145A - Scale locking device : en fr
  • CH166248A - Stringed instrument. : en fr
  • CH166255A - Football game. : en fr
  • CH166257A - Automatic firearm. : de en
  • AT135937B - Automatic timer with push button contacts. : de en
  • CH166341A - Method for periodically controlling the ignition of a tube filled with ionized gas. : de en
  • US1940891A - Vehicle lift : en
  • US1941304A - Means for preventing the overfilling of warm evaporators for liquefied gases : en
  • AT135943B - Liquid switch. : de en
  • CA338100A - Button production : en fr
  • CA338200A - Hormone production : en fr
  • FR757721A - Heating plate : en fr
  • CH166182A - Device for circular knitting machines for transferring one loop of knitted fabrics to the neighboring needles. : de en
  • DE590269C - Device for motorized bicycles : de en
  • PL19415B1 - A method of producing sealing plates with an insert, made of a metal mesh. : en pl
  • SU33485A1 - Mannequin, allowing the change of form : en ru
  • US1940797A - Valve mechanism : en
  • US1941396A - Louver type grille for automobile radiators : en
  • SU33531A1 - Filter to clean the air from dust : en ru
  • US1940986A - Thermionic generator and amplifier of high frequency oscillations : en
  • US1941001A - Recorder : en
  • AT135953B - Liquid switch. : de en
  • BE399452A - : en
  • CH166265A - Device providing constant average force to the escapements of watch movements. : en fr
  • CH166284A - A method and apparatus for the manufacture of articles provided with an abrasive layer. : en fr
  • CH166357A - Curlers and curlers. : de en
  • AT135928B - Stuffing box with L-shaped sealing sleeves, especially for hydraulic slip clutches. : de en
  • CH166280A - Sheet metal cutter. : de en
  • PL19389B1 - Electric discharge lamp for sending rays. : en pl
  • SU33644A1 - Model for forming cylindrical parts : en ru
  • DK48207C - Automatic Coupling, especially for Railway Cars. : da en
  • US1941059A - Treatment of filling and reenforcing materials used in plastic compositions : en
  • US1941282A - Ceiling hanger : en
  • US1941041A - Package for can ends and method of producing same : en
  • US1941360A - Outboard motor transmission : en
  • CA338253A - Automobile heater and deflector : en fr
  • CH166303A - Control device with motor drive. : de en
  • DE590343C - Suspended strap hooks consisting of a hook part and a locking spring for the heel strap that is hinged to the carrying buttons on the toe pieces of ski bindings : de en
  • FR757494A - Automatic braking improvements for towed vehicles : en fr
  • GB403532A - Reinforced concrete building slabs : en
  • CH166281A - Handsaw. : de en
  • FR757525A - Process and equipment for the manufacture of powdered vegetable glues : en fr
  • US1940769A - Coupling device : en
  • DK48197C - Washing Machine for Cleaning Textile Material. : da en
  • AT135933B - Method and apparatus for producing and reconverting an image arrangement for purposes of television and the recording and reproduction of images. : de en
  • AT136089B - Automatic pistol. : de en
  • CH166410A - Radiographic contrast agent. : de en
  • CA338110A - Wear resisting quality determining method : en fr
  • US1941165A - Burial vault fastener : en
  • SU33673A1 - Adjusting to a shelling machine for turning off the gearbox : en ru
  • FR757689A - Particular loading device for solid, pasty or semi-liquid materials in a mobile reservoir box : en fr
  • GB403442A - Improvements in and relating to watering cans and the like : en
  • CH166392A - Rack-and-pinion device for adjusting brake shoe play. : en fr
  • SU33502A1 - Pneumatic jackhammer : en ru
  • FR757393A - Re-priming cartridge with central percussion : en fr
  • BE399901A - Process and apparatus for ridding residual sulfuric acids with nitric acid of organic matter with which they are loaded : en fr
  • US1941012A - Rubber composition and method of making same : en
  • FR757382A - Electromagnetic winding device : en fr
  • GB403597A - Improvements in aerial equivalents for wireless transmission and reception : en
  • FR757416A - Improvements made to agricultural machines such as balers, in particular those for baling hay : en fr
  • GB403959A - Improvements in or relating to hydraulic couplings : en
  • BE399451A - : en
  • CA338113A - Phonograph disk playing apparatus : en fr
  • CA338227A - Metal tube reducing apparatus : en fr
  • GB403667A - Cellulose ester or ether compositions : en
  • CH166144A - Device for automatic adjustment of at least one heavy oil burner for heating boilers. : en fr
  • CA338092A - Tool handle : en fr
  • SU33594A1 - Winding machine for electrical conductors of insulating yarn : en ru
  • FR757735A - Coloring pastes for carbon papers, typewriter ribbons and for mimeographs : en fr
  • GB403506A - Improved arrangement of fuel fired and waste heat steam boilers : en
  • CA338228A - Rod coupling : en fr
  • DE590292C - Device for duplicating punch cards : de en
  • CH166310A - Device for regulating the steam supply in counter-pressure steam engines. : de en
  • US1941011A - Equalizer connection for track laying tractors : en
  • CH166241A - Photographic lens shutter. : de en
  • CH166389A - Steering rack rail car for fast operation. : de en
  • GB403518A - Improvements in or relating to dynamo electric machines : en
  • SU33651A1 - Tool for cleaning and dyeing molds : en ru
  • GB403483A - Improvements in housing machines for joinery work : en
  • SU33649A1 - Tool for ejecting molds from molds : en ru
  • CA338150A - Phase shifting circuit : en fr
  • CA338208A - Hydrocarbon reforming apparatus : en fr
  • GB403471A - Improvements in hydraulic jacks and other hydraulic apparatus : en
  • GB403495A - Improved manner of construction of bridges of standardized members : en
  • PL19329B1 - A method of producing high-molecular organic sulfides. : en pl
  • FR757522A - Pickle tongs : en fr
  • GB403665A - Method of and apparatus for the electrical precipitation of suspended particles from gaseous fluids : en
  • GB403599A - Improvements in and relating to scotometers : en
  • GB403709A - Improvements relating to the reduction of interference in thermionic valve circuits : en
  • AT135984B - Friction wheel lighter closed on all sides. : de en
  • FR757699A - Flame retardant preparation : en fr
  • US1941115A - Welded spigot and socket safety joint : en
  • US1941338A - Fuse clip clamp : en
  • GB403684A - Improvements in or relating to a process of and an apparatus for making pipe, and the pipe produced thereby : en
  • GB403473A - Improvements in and relating to liquid fuel burning plant for boiler furnaces and the like : en
  • FR757502A - Manufacture of composite glass sheets : en fr
  • DE590183C - End shield, especially for electrical machines, which consists of a flux-iron ring and profile iron welded to the ring, bearing the bearing : de en
  • GB403546A - Improvements relating to polyphase alternating current motors : en
  • DE590202C - Three-way tipping device for the body of motor vehicles : de en
  • DE590229C - Device on hexagonal braiding machines : de en
  • GB403479A - A combined kettle and pan : en
  • DE590179C - Reception arrangement to eliminate the rounding off phenomena of tactile characters : de en
  • SU33510A1 - Scraper winch : en ru
  • FR757488A - Improvements in the manufacture of tassels, and equipment for the application of the said process : en fr
  • DE590366C - Process for the preparation of nitrogen-containing derivatives of anthracene : de en
  • US1940662A - Waterinsoluble disazodyestuffs : en
  • US1940903A - Railway light signal : en
  • GB403517A - Improvements relating to sheet metal drawing presses : en
  • SU33860A1 - Weaver's Observer : en ru
  • US1940692A - Electric : en
  • US1941379A - Mold for artificial stones : en
  • US1941062A - Comb making device : en
  • CH166356A - Injection syringe with a device for sterilizing the same with boiling water and steam. : de en
  • DE590191C - Single-acting stage compressor with rectified working surfaces : de en
  • DK48190C - Apparatus for burning, drying, calcining and possibly sintering of substances of various kinds. : da en
  • FR757465A - Coin holder : en fr
  • SU33780A1 - Eccentric gear : en ru
  • FR757559A - Device for adjusting the level in liquid containers : en fr
  • PL19430B1 - A method of preparing cellulose, intended for the production of glued paper. : en pl
  • SU33835A1 - Device for controlling traffic control signals : en ru
  • US1941380A - Brake for motor vehicles or the like : en
  • CH166250A - Ankle holder. : de en
  • CH166114A - Method of preparing a nutrient solution for accelerating the germination and growth of seeds. : de en
  • CA338216A - Ring binder : en fr
  • US1941444A - Potentiometer system : en
  • US1941024A - Amusement apparatus : en
  • AT136005B - Process for the production of practically pure cellulose (alpha cellulose) from raw celluloses of any origin. : de en
  • CH166228A - Process for the manufacture of absorbent rubber. : de en
  • AT135904B - Drive belts, belts, tapes or the like. : de en
  • CH166233A - Line-up device for letter files. : de en
  • SU33509A1 - Tool for loading buckets : en ru
  • CH166306A - Rotary piston machine, in particular for compression purposes. : de en
  • AT135981B - Drive for cross rolling mills. : de en
  • CH166192A - High shaft convertible into a low shoe. : de en
  • CH166253A - Device for fixing skis. : en fr
  • FR757539A - Process for continuously manufacturing, by electrolysis, metal tube in long lengths : en fr
  • SU33562A1 - Rail Lubrication Device : en ru
  • SU33541A1 - Writing machine : en ru
  • US1941388A - Heat controlling apparatus : en
  • FR757472A - Improvements to vineyard plows : en fr
  • PL19406B1 - Cathode ray tube, indirectly heated. : en pl
  • US1941068A - Radiosignaling : en
  • SU33519A1 - Reinforcing device for reinforced concrete work : en ru
  • US1940855A - Knife : en
  • CH166218A - Process for the preparation of a solid, durable diazo preparation. : de en
  • FR757726A - Container device for radium-emitting beverages : en fr
  • PL19391B1 - Electric device for heating water and generating steam. : en pl
  • AT135909B - "Morel" system release device. : de en
  • US1941322A - Dispensing container for toothpicks or other similar articles : en
  • SU33746A1 - Cabbage harvester : en ru
  • US1941199A - Casting apparatus : en
  • PL19342B1 - A method of catalytic pressure hydrogenation of carbon-containing materials. : en pl
  • SU33677A1 - Method for the hardening of proteinaceous plastics : en ru
  • SU33694A1 - Planner : en ru
  • SU33753A1 - Harvesting machine with double cut stalks : en ru
  • AU1571233A - Composite air and waterproof fabric : en
  • CA338203A - Waterproof mortar : en fr
  • SU33496A1 - Core drill : en ru
  • US1940847A - Apparatus for winding coil condensers : en
  • AT136094B - Electric tube. : de en
  • CH166170A - Process for the production of artificial structures. : de en
  • SU33645A1 - Putty for correcting molds : en ru
  • SU33652A1 - Gas generator bath glass melting furnace according to the Gobbe system : en ru
  • US1940813A - Centrifugal basket : en
  • US1941222A - Tube cleaning noise-silencer : en
  • AT135944B - Toggle or push button switches. : de en
  • BE399916A - : en fr
  • SU33698A1 - A pattern for locating circular curves in tangent and bisector fashion : en ru
  • US1941091A - Knitting mechanism : en
  • US1941148A - Printing plate : en
  • US1941158A - Automatic brake for windlasses : en
  • US1940714A - Preparation for storage batteries and process of making the same : en
  • CA338118A - Refrigerator car bunker : en fr
  • CH166300A - High pressure relief device. : de en
  • SU33627A1 - The method of separation of the mixture of acids obtained by the oxidation of petroleum hydrocarbons : en ru
  • GB403538A - Improvements in electric coupling terminals : en
  • CA338183A - Radiator core : en fr
  • CA338221A - Pipe coupler : en fr
  • SU33883A1 - Method of reporting opacity to glass or enamel : en ru
  • US1940852A - Web controlling mechanism : en
  • FR757374A - Construction of "metal tripod blocks" for school tables and drawing chairs : en fr
  • GB403592A - Improvements in and relating to hair pins : en
  • FR757652A - High or low voltage high power direct current machine comprising two armature windings housed in the same grooves and provided with collectors : en fr
  • FR757740A - Device allowing the complete expulsion of pasty or viscous products in tubes, for mechanical lubrication, veterinary and other uses : en fr
  • FR757641A - Multipurpose household utensil : en fr
  • GB403466A - Improvements in or relating to the lubrication of axle bearings for rail vehicles : en
  • BE399625A - : en
  • CH166126A - Clamp for concrete formwork. : de en
  • DE590153C - Security device against theft of motor vehicles : de en
  • DE590378C - Hydrocarbon gas system : de en
  • US1941019A - Method of and apparatus for forming patches : en
  • US1941287A - Apparatus for controlling gas flow : en
  • FR757352A - Improvements to the signaling or remote control system for currents at musical frequencies generated by static generators and superimposed on the electrical distribution networks : en fr
  • FR757697A - Ready-made tie-fixing device : en fr
  • AT136092B - Friction joint. : de en
  • DE590319C - Winding arrangement for rotating field magnets with parallel slots for turbo generators : de en
  • US1941164A - Device for extracting juices from fruits : en
  • SU33484A1 - Tubular analyzer for ores : en ru
  • DK48186C - Carbide alloy. : da en
  • GB403463A - Improvements in wooden fireplace curbs : en
  • FR757546A - Method and device for on-screen television reception of various analyzes and their synchronization : en fr
  • FR757567A - Improvements in the construction of radio receivers : en fr
  • SU33576A1 - Electromagnetic microphone : en ru
  • AT135934B - Universal relay, especially for railway safety devices. : de en
  • CH166290A - Device to reduce torsional oscillations of crankshafts. : en fr
  • CA338212A - Synthetic gum lacquer : en fr
  • DE577485C - Method and device for the permanent, constant display and measurement of gases, in particular the composition of combustion exhaust gases : de en
  • CA338107A - Piston : en fr
  • CH166333A - Electrical insulation consisting of insulating beads on wires, in particular for heating purposes. : de en
  • FR757351A - Improvements to the mcyen remote control and signaling system of high-frequency currents, superimposed on the electrical energy distribution networks : en fr
  • AT136019B - Collection and cleaning container for the sealing liquid flowing out of the bottom cup of a disk gas container provided with a liquid seal. : de en
  • US1940681A - Fire control system for antiaircraft guns : en
  • AT136016B - Process for hydrogenating carbonaceous materials. : de en
  • SU33641A1 - Device for making maxillary splints : en ru
  • US1941245A - Fishing reel : en
  • SU33505A1 - Mining harvester : en ru
  • CH166348A - Burner for liquid fuels. : en fr
  • CH166381A - Electrical machine flanged to a gear box, especially for motor vehicles. : de en
  • DK48191C - Carrier transmission system. : da en
  • AT135968B - Resilient insert for mattresses, pillows or the like. : de en
  • CH166206A - Method of treating tobacco. : de en
  • DE590284C - A rectifier column consisting of several contact rectifier elements lined up on a bolt and pressed together by the bolt : de en
  • AT136088B - Device controlled by a balance for filling liquids according to selectable specific weight quantities. : de en
  • SU33736A1 - Pr : en ru
  • USD91238S - Design for an ophthalmic lens : en
  • PL19397B1 - A way of keeping fruit, especially grapes, permanently fresh. : en pl
  • US1941293A - Clamp for weeder attachments : en
  • US1941324A - Signal device : en
  • US1940819A - Rubber composition and method of preserving rubber : en
  • US1941256A - Uniform corrosion anode and method of making same : en
  • CA338096A - Potato chipping machine : en fr
  • CA338131A - Kneeling stool : en fr
  • GB403940A - Improvements in or relating to radio telephone systems : en
  • SU33822A1 - Device for sharpening round knives on the machine : en ru
  • SU33671A1 - Grinding machine : en ru
  • US1940965A - Water softening apparatus : en
  • US1941354A - Boiler with multiple superheaters : en
  • AT136004B - Process for the preparation of thio derivatives of phenols. : de en
  • AT135935B - Contact in loop form for high-performance switches. : de en
  • AT136074B - Steering rack rail car for fast operation. : de en
  • DK48182C - Icebreaker. : da en
  • SU33840A1 - The way to produce forgive grezhi on coconotal pelvis : en ru
  • CH166367A - Folding trestle for road signage. : en fr
  • CH166402A - Process for the production of molding compounds from cellulose derivatives. : de en
  • DK48183C - Procedure for the Preparation and Use of a Nutrient Solution for Plant Growing. : da en
  • CH166157A - Seating furniture that can be converted into reclining furniture. : de en
  • US1941308A - Awning : en
  • CH166164A - Storage containers for coffee, tea and the like. : de en
  • CH166297A - Hydroelectric storage system. : de en
  • CH166400A - Process for the manufacture of a hydroxyethyl ether of cellulose. : en fr
  • DE590321C - Process for the production of metal-containing azo dyes : de en
  • AT136041B - Connecting device. : de en
  • US1940864A - Electrical apparatus : en
  • US1941362A - Apparatus for drying freshly frinted webs : en
  • DK48203C - Holder for Damebind. : da en
  • PL19313B3 - Device for inductively acting on a train. : en pl
  • PL19328B1 - A camera with a distance meter coupled with a lens hood. : en pl
  • PL19429B3 - Camless distribution system for steam engines. : en pl
  • SU33558A1 - Railway rolling stock buffer : en ru
  • US1941301A - Tray holder for ovens : en
  • US1940691A - Branding machine : en
  • US1941050A - Friction closed container : en
  • AT135941B - Control valve for continuously acting, automatic air brakes. : de en
  • US1940711A - Apparatus for converting petroleum oil : en
  • US1940909A - Display stand : en
  • CH166371A - Advertising sheet to be given to consumers and sellers of butchery products. : de en
  • AT136081B - Seal for slide locks, especially weir gates and lock gates. : de en
  • AT135903B - Dutch with movable base. : de en
  • FR757413A - Connection lug applicable in particular to the terminals of accumulator batteries : en fr
  • GB403454A - Improvements in bed settees : en
  • CA338149A - Split phase motor starting means : en fr
  • US1941039A - Magnesium alloy : en
  • DE590120C - Device to improve the water circulation in locomotive boilers : de en
  • SU33748A1 - Cabbage harvester : en ru
  • US1940800A - Drilling apparatus : en
  • US1940951A - Necktie rack : en
  • AT135940B - Circuit arrangement for telephone systems with dialer operation. : de en
  • AT136025B - Process for influencing the effectiveness of artificial or natural fertilizers. : de en
  • AT135958B - Cable sheath produced by pipe pressing. : de en
  • AT135970B - Machine for the automatic filling of straps with zipper links. : de en
  • AT136062B - Device for automatic dimming or re-lighting of headlights or the like on vehicles that meet one another. : de en
  • CH166177A - Creel for warping in the parade. : en fr
  • SU33775A1 - Solar motor : en ru
  • US1941406A - Apparatus for cementing wells : en
  • AT136009B - Process for the production of finely powdered swelling starch. : de en
  • CH166377A - Crate, especially for bottles. : de en
  • CA338172A - Silver recovery control : en fr
  • CH166382A - Device for blocking and releasing a freewheel mechanism built into the drive shaft train of motor vehicles. : de en
  • AT135916B - Steam system with fluctuating load. : de en
  • AT135986B - Electric discharge tube. : de en
  • SU33723A1 - Bathometer : en ru
  • US1941169A - Making synthetic oil : en
  • US1941196A - Blasting cartridge and apparatus for charging the same : en
  • US1941355A - Bag holder and sewer : en
  • SU33808A1 - Movie projector : en ru
  • US1940892A - Transformer insulation : en
  • US1941183A - Dam : en
  • AT136079B - Device for protection against unexpected, sudden penetration of water into spaces of various types, in particular into ship spaces. : de en
  • CH166227A - Process for making a motor propellant. : de en
  • CA338245A - Driving mechanism : en fr
  • CH166229A - Process for metallization by cathodic sputtering. : de en
  • SU33718A1 - Instrument for fastening strings in acoustic measuring equipment : en ru
  • US1941136A - Lubrication device : en
  • SU33517A1 - Device for the safe inclusion of punching presses : en ru
  • US1941008A - Mining machine : en
  • AT136002B - Process for the preparation of acylaminobenzenestibinic acids. : de en
  • AT136020B - Process for the production of porous masses and objects. : de en
  • AT136049B - Snow plow. : de en
  • CA338085A - Projecting apparatus for advertising : en fr
  • GB403585A - Improvements in water-closet basins : en
  • GB403714A - Improvements in connection with burners of oil lamps : en
  • GB403468A - Improvements in and relating to detachable rims for pneumatic tyred road vehicles : en
  • DE590163C - Process for the preparation of Kuepen dyes of the anthraquinone series : de en
  • AT135942B - Compounded AC-carrying collector machine. : de en
  • USD91236S - Design for a refrigerator cabinet : en
  • CA338097A - Cable support : en fr
  • DE590239C - Process for the preparation of quaternary nodes of heterocyclic nitrogen compounds : de en
  • FR757379A - Improvements in the purification of hydrocarbons : en fr
  • US1941200A - Method of manufacturing rubber goods : en
  • DE590228C - Method and device for picking up, arranging and straightening zipper links : de en
  • GB403582A - Improvements in or relating to pneumatic mixing plants for cotton and similar fibrous materials : en
  • US1940849A - Reclosable carton : en
  • SU33852A1 - Storage for flammable liquids : en ru
  • US1940660A - Diresorcin isatin : en
  • FR757639A - Device for controlling coins in gaming machines : en fr
  • US1941319A - Current-responsive indicating and recording instrument : en
  • PL19427B1 - Impact fuse. : en pl
  • US1940778A - Hair clip : en
  • GB403505A - Improvements in or relating to display devices : en
  • SU33646A1 - Zholob for the release of iron from smelting furnaces : en ru
  • US1941005A - Dobby lever for looms : en
  • CH166179A - Pricking apparatus for sewing machines. : de en
  • SU33490A1 - Downhole Drilling Machine : en ru
  • US1941023A - Combination relief valve : en
  • DE590379C - Procedure for operating heating boilers : de en
  • FR757500A - : fr
  • US1941175A - Nut and nut installation : en
  • US1941271A - Treatment of reaction process apparatus : en
  • FR757422A - Improvements in breast-piercing projectiles : en fr
  • FR757391A - Device for carburizing using heavy oils for fueling combustion engines : en fr
  • FR757693A - Liquid pourer at determined level : en fr
  • SU33553A1 - Profile forming machine for dirt roads and the like : en ru
  • SU33740A1 - Propashnik with swinging bodies : en ru
  • FR757520A - Improvement in altimetric capsules : en fr
  • FR757606A - Pantographic device for reproducing machines, with variable scales, in particular for the manufacture of shoes : en fr
  • DE590199C - Method for recording and reproducing color photographic images using a color zone lens and a recording material provided with a grid : de en
  • FR757370A - Electric wire breaker for warping, winding, doubling, and similar machines : en fr
  • FR757385A - Lock adaptable to several uses : en fr
  • FR757406A - Refinements to trip starters and magnetic restraint devices : en fr
  • FR757510A - Spotting and rescue buoy : en fr
  • DE590255C - Process for the production of water-insoluble azo dyes : de en
  • SU33659A1 - Plunger for central water heating system : en ru
  • GB403523A - Improvements in filtering apparatus : en
  • GB403986A - Improvements in the suspension of machinery subject to vibration : en
  • AT135906B - Device for drying the drying felts on the paper machine. : de en
  • DE590281C - Terminal box for electric motors made of electrically conductive material : de en
  • US1941309A - Calculating machine : en
  • US1941443A - Gate valve assembly : en
  • US1940934A - Method of making supported catalysts : en
  • US1940984A - Front shutter for automobile radiators : en
  • PL19341B1 - A method of processing raw phosphates. : en pl
  • US1940667A - Machine for clinching friction covers to cans : en
  • US1941420A - Process for manufacturing molded products : en
  • US1940838A - View transmission system : en
  • US1940856A - Bolt anchor : en
  • BE399507A - : en
  • CH166350A - Electric daylight lamp. : de en
  • CH166362A - Ventilation device for closed rooms, in particular telephone booths. : de en
  • CH166364A - System for the distribution of modulated, high or medium frequency carrier waves over a power network. : de en
  • AT136065B - Ball joint connection, in particular for steering linkages of motor vehicles. : de en
  • CH166230A - Process for the production of a silvering agent for rub-in silvering. : de en
  • SU33887A1 - Automatic Tank Testing Machine : en ru
  • USRE19034E - fitz gerald : en
  • DE590250C - Device for regulating AC machines working in parallel, especially those belonging to different power plants : de en
  • DE590288C - Sheets of castable plastics : de en
  • SU33552A1 - Dredging machine, for example, for planning purposes : en ru
  • US1940805A - Superheater for water tube boilers : en
  • GB403544A - A removable attachment for use with soda water or other syphons containing aerated liquids : en
  • GB403602A - Improvements in or relating to electric motors or other apparatus mounted inside a submersible bell or the like : en
  • DE590322C - Carrying device for spinning cake in the aftertreatment : de en
  • DE590347C - Membrane gas pressure regulator : de en
  • CA338138A - Marine stoker : en fr
  • AT136047B - Power supply for electrically operated monorails from folk amusement railways. : de en
  • FR757704A - Process for the production of thin-walled hollow bodies for files, rasps and the like : en fr
  • DE590262C - Machine for the production of element sleeves from roll material : de en
  • SU33629A1 - Mechanical nozzle : en ru
  • US1941303A - Modulating system : en
  • US1941307A - Mechanical sound attachment for toy locomotives : en
  • US1941417A - Variable speed unit : en
  • SU33508A1 - Loading machine : en ru
  • US1940893A - Procedure of coking pitch and coal in a by-product coke oven battery : en
  • SU33672A1 - A device for centering the pellets when they are fixed at the centers of the shelling machine : en ru
  • SU33699A1 - Device for measuring skin area : en ru
  • FR757672A - Improvements to multi-plug sockets and to electrical contacts with plugs and sockets : en fr
  • DE590184C - Electric motor, on whose housing a reduction gear with angular teeth is attached, the pinion of which sits directly on the motor shaft : de en
  • DE590306C - Device for compressing the fuel stock in discontinuously operated coke fuel loafers : de en
  • US1940978A - Apparatus for drying barrels and like articles : en
  • CA338237A - Sound reproducing system : en fr
  • US1941243A - Manufacture of artificial cream : en
  • CA338167A - Spinning machine : en fr
  • SU33657A1 - Banner poster : en ru
  • SU33724A1 - Instrument for determining the fat content of grinding pulp : en ru
  • SU33813A1 - Photographic plate dryer : en ru
  • US1940716A - Shock absorbing switch handle : en
  • PL19419B1 - Absorbent mass for filters, absorbing fumes, mists or gases with gas masks or for filters to protect closed rooms and the method of its production. : en pl
  • SU33745A1 - Conveyor to beet harvesting machines : en ru
  • USD91232S - Design for a candy box : en
  • PL19334B1 - The method of producing silica stones. : en pl
  • US1941194A - Condenser and like heat exchange apparatus : en
  • US1941382A - Webbing clamp : en
  • FR757657A - Method for characterizing mixed fertilizers containing ammonium nitrate : en fr
  • GB403981A - Improvements in fuel-injector pump timing devices for internal combustion engines : en
  • CH166137A - Process for the production of lime-containing molded plastics. : de en
  • CH166131A - Method and device for the draft-free distribution of an air or gas flow in a room. : de en
  • CA338109A - Stoker : en fr
  • CA338188A - Voltage regulation : en fr
  • AT135947B - Television reception arrangement. : de en
  • CA338185A - Carbon paper holder : en fr
  • DE590101C - Vegetable slicer for smooth, strip and colored cuts : de en
  • FR757707A - Gyroscopic toy : en fr
  • SU33873A1 - Radio transmitter : en ru
  • US1941437A - Composition of matter and method of making the same : en
  • US1940663A - Steam generating system : en
  • US1940887A - Control system : en
  • SU33560A1 - Driver's tap for automatic air brakes with electric air control : en ru
  • US1941234A - Garment finishing table : en
  • SU33663A1 - The method of changing saws in the sawmill frame a whole set : en ru
  • US1940752A - Agitator : en
  • AT135923B - Lockable tap, in particular for the fuel line of motor bicycles. : de en
  • CA338088A - Rail manufacture : en fr
  • CA338161A - Light relay : en fr
  • AT136014B - Flash powder. : de en
  • SU33767A1 - Device for dragging the net under the ice : en ru
  • US1941107A - Thermionic tube construction : en
  • US1941166A - Coil forming machine : en
  • US1940701A - Air service hose rack : en
  • GB403965A - Improvements in or relating to a method of and an apparatus for forming pipe blanks, and the pipe blank produced thereby : en
  • DE590142C - Self-closing valve with counter-pressure chamber and an auxiliary valve seated in the main valve body, in which the seat for the main valve body is designed as an exchangeable nozzle opening into the outlet : de en
  • FR757667A - Electric traction motor vehicle for extra-urban and urban service, powered by an overhead line or by an accumulator battery : en fr
  • US1940689A - Manufacture of phosphoric acid : en
  • SU33676A1 - Device for treating substances in a gaseous medium with elevated or reduced pressure : en ru
  • US1941109A - Holder for refractors : en
  • US1941170A - Spark plug : en
  • USD91257S - Design for a cash register cabinet : en
  • US1940736A - Electric control system : en
  • US1940936A - Building covering : en
  • SU33575A1 - Wiring device : en ru
  • US1940938A - Earth anchor : en
  • AT135991B - Electric resistance furnace. : de en
  • CH166135A - Process to make cementitious compounds water-repellent and waterproof. : de en
  • DE590350C - Device for limiting short-circuit currents : de en
  • CH166299A - Device for the actuation of gate valves for pipelines with an end plate movable on the end body. : de en
  • SU33781A1 - Device for transmitting rotation from one shaft to another : en ru
  • AT136003B - Enamelled vessels and processes for their manufacture. : de en
  • CA338158A - Electrical control circuit : en fr
  • GB403586A - Improvements in or relating to rail guided vehicles : en
  • SU33766A1 - Ice cream machine : en ru
  • CA338219A - Grounding fitting : en fr
  • SU33606A1 - Relay Test Device : en ru
  • AT135997B - Process for the preparation of symmetrical and asymmetrical polymethine dyes substituted at the central carbon atom. : de en
  • SU33582A1 - Device for radiotelephone transmission : en ru
  • PL19394B1 - A method of producing an aqueous printing ink. : en pl
  • SU33619A1 - Sulfur recovery method : en ru
  • AT135965B - Device for determining the gas density in a vessel, pipe or the like. : de en
  • BE399645A - Device for compounding and protection of electric shock devices : en fr
  • CA338124A - Air compressor : en fr
  • PL19347B1 - The magnetic coil of electrical instruments, in particular meters or other measuring instruments. : en pl
  • GB404272A - Improvements in or relating to apparatus for converting reciprocating into rotary motion or vice versa : en
  • SU33546A1 - Pneumatic device to remove metal from the furnaces in open-hearth furnaces : en ru
  • US1941097A - Production of sterols : en
  • US1940927A - Electrical equipment : en
  • US1941421A - Rectifying means : en
  • US1940843A - Flash light cap : en
  • US1941392A - Process and apparatus for producing compound glass sheets : en
  • CH166113A - Frame for storing hay and emd in heaps and for placing grain outdoors. : de en
  • US1941116A - Communication system : en
  • DE590095C - Process for the independent execution of any work movements : de en
  • IE12695L - Coin freed vending machine : en
  • DE590267C - Regulator for power machines with pumping station, flow control valve and pressure valve : de en
  • US1941078A - Method of corrugating sheets and means therefor : en
  • GB403659A - Improvements relating to interrupters for the ignition apparatus of internal combustion engines : en
  • DK48188C - Milling and sanding machine for shoemaking. : da en
  • FR757679A - Shut-off valve with parallel shut-off discs that can be moved along the axis : en fr
  • SU33817A1 - Centrifugal Pump Guide Plate : en ru
  • US1940770A - Adjusting device and burglar alarm for casement windows : en
  • US1940889A - Baker's oven and means for controlling and distributing the products of combustion throughout the same : en
  • CA338173A - Two colour photographic print : en fr
  • CA338157A - Electrical induction apparatus : en fr
  • SU33544A1 - Log stamping numerator : en ru
  • SU33797A1 - Pa lnic for soft solders : en ru
  • SU33590A1 - The method of transmission and reception of modulated oscillations : en ru
  • SU33670A1 - Sanding machine using sandblaster : en ru
  • US1941131A - Ironing machine : en
  • US1941401A - Corset : en
  • CA338139A - Cellular building material : en fr
  • PL19360B1 - K4r 47 b, 13, Ball or roller bearing with two-part running rings and the method of fixing the inner running ring in the bearing. : en pl
  • US1941263A - Articulated bedspring : en
  • PL19319B1 - Metal saving mortar. : en pl
  • SU33827A1 - Control lock : en ru
  • AT135925B - Tap for water pipes u. like : de en
  • CH166368A - Display device attached to a door. : de en
  • AT135917B - Artificial ice rink. : de en
  • FR757691A - Electric igniter : en fr
  • GB403529A - Improvements in rock drills : en
  • FR757368A - Device for detaching, mixing and moistening tobacco leaves : en fr
  • GB403717A - Tire grooving machines : en
  • CA338192A - Moulding : en fr
  • CH166195A - Waterproof shoe bottom. : de en
  • DE590211C - Process for the manufacture of chamber furnaces consisting of a plurality of essentially horizontal stone layers : de en
  • GB403543A - Improvements in and relating to hydraulic couplings : en
  • PL19380B1 - Kl-dZLiyi. y Plug for plugging the arrow holes when breaking rocks. : en pl
  • SU33589A1 - Radio reception method : en ru
  • CA338209A - Acid anhydride manufacture : en fr
  • CA338226A - Metal stock reducing apparatus : en fr
  • CH166163A - Mixing and beating machine with friction wheel speed change gear. : de en
  • SU33885A1 - Oven for roasting flotation pyrites : en ru
  • US1940685A - Latch : en
  • US1940699A - Process and apparatus for con : en
  • US1941393A - Dynatron circuits : en
  • CH166245A - Fountain pen. : de en
  • CH166374A - Umbrella. : de en
  • DE536422C - Extraction of ammonia and carbonic acid separately from their common mixtures : de en
  • GB403670A - Loud speakers : en
  • SU33499A1 - Electric percussion instrument : en ru
  • US1940912A - Treatment of ores : en
  • US1941290A - Dump scow : en
  • US1941373A - Support : en
  • US1940798A - Running gear for road vehicles : en
  • FR757364A - Improvements to hydraulic couplings : en fr
  • US1940972A - Blast nozzle : en
  • SU33738A1 - Plow fitting for soil loosening : en ru
  • US1941323A - Trailer nose construction : en
  • AT135918B - Fluid change transmission. : de en
  • CH166132A - Electric boiler system. : de en
  • CH166358A - Device for generating permanent hair waves. : de en
  • PL19367B1 - Electric vibrating device, e.g. for massaging. : en pl
  • DE590203C - Ramp for motor vehicles : de en
  • AT135910B - Stairs. : de en
  • GB403614A - Improvements in and relating to the production of cymene : en
  • US1941004A - Combined photographing, endorsing, and perforating machine for checks and the like : en
  • US1940915A - Railway traffic controlling apparatus : en
  • US1941348A - Joint fitting : en
  • USD91253S - Design for a display cabinet : en
  • SU33700A1 - Device for measuring skin area : en ru
  • GB403575A - Improvements in and connected with flasks for moulding and/or vulcanising dental plates : en
  • CA338247A - Cooking utensil exhaust : en fr
  • US1940911A - Automobile top : en
  • SU33713A1 - Okulararny nozzle for microcopy in incident light : en ru
  • SU33833A1 - The method of transmission to the distance measuring instrument : en ru
  • US1941448A - Voting machine : en
  • CH166160A - Sliding door for cupboards running on a rail. : de en
  • FR757491A - Slot shape without cavitation : en fr
  • GB403960A - Improvements in or relating to mould boxes for forming concrete blocks and such like articles : en
  • US1941117A - Indicating device for punch tables : en
  • GB403590A - Improvements in and relating to the production of soap : en
  • DE590260C - Self-collecting small seller : de en
  • AT135924B - Piston machine with crosshead moving back and forth along a guide. : de en
  • AT136015B - Process for cleaning painted, varnished or waxed objects. : de en
  • US1941252A - Electric switch : en
  • FR757423A - Hot gas dryers : en fr
  • FR757569A - Dental prosthesis appliance, parts used in its manufacture and its manufacturing process : en fr
  • GB403613A - Improvements in multi-engine aeroplanes : en
  • FR757615A - Method and apparatus for improving the efficiency of solid, pulverized or liquid fuel stoves and for increasing the carbonic acid content of the exhaust gases by reducing the proportion of air : en fr
  • GB403969A - Improved method and apparatus for finishing moulded clay rings intended for use as supports for incandescent gas mantles : en
  • SE79249C1 - : en
  • USD91240S - Design for a clock case : en
  • FR757454A - Process for preparing a food product : en fr
  • FR757483A - Improvements to dispenser receptacles, in particular for powdery and liquid products : en fr
  • AT135939B - Remote control system for remote control and remote monitoring. : de en
  • CH166239A - Clamping device for loose sheets of paper, forms etc. intended for copying : de en
  • US1940949A - Ticket or check issuing machine : en
  • US1941086A - Mechanism for and method of preparing tufting yarns : en
  • US1941211A - Structural floor : en
  • SU33609A1 - Method of measuring self-induction : en ru
  • SU33636A1 - X-ray fixator : en ru
  • US1941063A - Dyestuff of the anthraquinone series : en
  • US1941351A - Pectose resins and method of making same : en
  • CA338204A - Barium compound : en fr
  • SU33871A1 - Device for transmitting still images : en ru
  • AT135998B - Aluminum solder, consisting of aluminum, tin, zinc and silver. : de en
  • CA338230A - Railway car retarder : en fr
  • CH166212A - Process for the production of monobasic aluminum sulfite. : de en
  • CH166283A - Process for the continuous production of rubber hoses, device for carrying out the process and rubber hose produced according to the process. : de en
  • CH166302A - Push button control device. : de en
  • SU33702A1 - Instrument for determining the average water flow velocity in water bodies : en ru
  • US1940723A - Amplifier energizing : en
  • US1940669A - Apparatus for numbering paper sheets : en
  • SU33710A1 - Method and device for measuring the speed of sound propagation in solids : en ru
  • GB404311A - Improvements in or relating to alarm devices for preventing unauthorised use of motor car engines or other prime movers : en
  • DE590154C - Rotary mixer for tobacco leaves : de en
  • FR757418A - Pipe enhancements : en fr
  • GB404003A - An improved method of providing a protective covering on nonmetallic articles : en
  • DE590172C - Boiler enamelled inside and equipped with outside heating : de en
  • FR757702A - Process for bleaching and brightening zinc, cadmium and magnesium : en fr
  • GB403535A - Improvements in or relating to devices for drawing curtains, blinds and the like : en
  • DE590383C - Device for lighting stove loads : de en
  • FR757496A - Improvements to gasoline and heavy oil carburetors for internal combustion engines : en fr
  • FR757473A - Multiple element heating boiler : en fr
  • FR757511A - Improvements to windows and the like : en fr
  • GB403451A - Improvements in the manufacture of terpenes : en
  • FR757677A - Improvements relating to door braking or stopping devices : en fr
  • FR757449A - Antenna directed unilaterally : en fr
  • FR757530A - Further training in photoengraving cylinder polishing machines : en fr
  • US1940995A - Side windshield attaching construction : en
  • US1941027A - Button feeding apparatus : en
  • GB403589A - Improvements in ball and socket joints for pipes : en
  • FR757682A - Electric pocket torch : en fr
  • FR757585A - Bucharde with purlins or interchangeable heads : en fr
  • FR757674A - System of superimposing currents of higher frequency signals on an alternating current network : en fr
  • GB403567A - Improved grinding and abrading wheel : en
  • SU33592A1 - Self-induction coil : en ru
  • FR757555A - Dual-use jet breaker, making a jet breaker or shower at will : en fr
  • GB403526A - Switch device for adapters for electric lamps : en
  • SU33768A1 - Snar d for catching seashells : en ru
  • US1941346A - Rug hooker : en
  • AT135978B - Floor brush. : de en
  • DE590396C - Wheel hub, especially for prams and dolls' prams : de en
  • DE590001C - Device for the automatic control of the light source of photographic enlarging and copying machines : de en
  • GB403467A - Improvements relating to playing apparatus : en
  • GB403656A - Improvements in or relating to riser mechanisms for yarnwinding machines : en
  • CH166158A - Device for attaching a length of fabric to a frame. : de en
  • FR757468A - : fr
  • GB403527A - Improvements relating to gas heated heating apparatus : en
  • GB403559A - Improvements in or relating to electrical oscillation generators : en
  • FR757426A - Ship propeller : en fr
  • FR757603A - Palette for tennis or other ball games : en fr
  • AT135945B - Circuit arrangement for monitoring call connections via connecting lines. : de en
  • FR757713A - Combined vibrating device and servo motor relay : en fr
  • US1940850A - Joining layers of sheet metal : en
  • US1940862A - Leaded window trussed joint : en
  • DE590207C - Process for the manufacture of refractory bricks : de en
  • DE590342C - Process for the production of fiber-free pressed glass replicas : de en
  • DE590190C - Process for the production of metal-containing azo dyes : de en
  • FR757497A - Piston improvements : en fr
  • FR757675A - Metal case for mineral water bottles or other similar applications : en fr
  • GB403615A - Improvements in or relating to roofs and floors and to structural elements therefor : en
  • CA338236A - Signalling device : en fr
  • FR757519A - Improvements to movable knife type disconnectors with fixed contacts : en fr
  • US1941370A - Fish lure : en
  • FR757659A - Turbo-diffuser intended to improve the supply of combustion engines : en fr
  • FR757417A - Method for producing color photographic images : en fr
  • GB403603A - Improvements in or relating to valves : en
  • GB403496A - Improvements in bill and letter files : en
  • GB403980A - Improvements in internal combustion engines of the liquid fuel injection type : en
  • FR757378A - Improvements in methods and apparatus making it possible to determine the variations in the external dimensions of a part whose section has a limited maximum template : en fr
  • FR757402A - Improvements to games of chance called roulettes : en fr
  • FR757526A - : fr
  • FR757723A - Skirted engine piston independent of the bosses : en fr
  • GB403563A - Improvements in hydraulic variable-speed gearing : en
  • PL19346B1 - Drum filter with pressure fights. : en pl
  • SU33729A1 - Device for demonstrating the thermal conductivity of various metals : en ru
  • US1941278A - Manufacture of ether derivatives of carbohydrates like cellulose : en
  • US1941369A - Sash window : en
  • FR757543A - Special machine for tying sausages, sausages, etc., using ordinary strings properly tied : en fr
  • FR757586A - Fife beak : en fr
  • SU33511A1 - Suspended mechanical loader for loading rock and tubs when conducting vertical shafts : en ru
  • US1940749A - Yarn dyeing and twisting apparatus : en
  • FR757724A - Process for the production of solid carbon dioxide : en fr
  • US1940883A - Turret punch : en
  • US1941233A - Megaphone : en
  • CA338126A - Fruit preservation : en fr
  • SU33824A1 - Hollow Glass Faceting Machine : en ru
  • PL19428B1 - The method of producing asbestos-rubber masses and products from these masses. : en pl
  • SU33747A1 - Cabbage harvester : en ru
  • SU33761A1 - Tree Juice Collector : en ru
  • CH166173A - Process for drawing fibers, in particular cotton fibers, and drawing equipment suitable for carrying out the process for spinning machines, such as ring spinning and carriage spinning machines. : de en
  • CH166210A - Process and installation for obtaining liquid ammonia from ammoniacal waters obtained from the distillation of fossil coals. : en fr
  • AT136084B - Control valve for heating systems. : de en
  • US1941391A - Machine for winding disk coils : en
  • SU33632A1 - Device for determining visual acuity at close range : en ru
  • US1940661A - Radio receiving system : en
  • US1941153A - Body separating and spacing device : en
  • US1941224A - Page-end indicating device : en
  • CH166134A - Device for pouring concrete pipes. : de en
  • CH166390A - Triple valve for pressurized fluid brake. : en fr
  • SU33705A1 - Recording device to measuring instruments : en ru
  • SU33770A1 - Fishing gear : en ru
  • PL19425B1 - Device for fixing the engine to the bicycle frame. : en pl
  • SU33769A1 - Device for pulling lin under the ice : en ru
  • FR757448A - Cigarette holder : en fr
  • US1941061A - Elastic shaft coupling : en
  • US1941081A - Switch : en
  • US1940848A - Adjustable bottom for containers : en
  • DE590198C - Adjustment device on projection and enlargement devices for adjusting the lens and a filter that works with it : de en
  • DE590253C - Mixed frequency device for achieving flicker-free lighting when connected to networks with a low fundamental frequency : de en
  • FR757462A - Process for refrigerating and transporting perishable goods, in particular foodstuffs, and device for carrying out said process : en fr
  • GB403976A - Improvements in conveying devices : en
  • CH166294A - Claw coupling for gear parts. : de en
  • FR757506A - Hose with tight fitting, for gas or other pressurized fluids : en fr
  • US1940879A - Liquid fuel burner : en
  • US1940922A - Aluminium silicon alloy with a phosphorus content of 0.001 to 0.1% : en
  • US1940931A - Process of reproduction by printing : en
  • US1940759A - Thermal electric meter : en
  • US1940861A - Process for refining sour hydrocarbon oil : en
  • GB403713A - Improvements in the construction and arrangement of power unit and transmission gearing for motor vehicles : en
  • SU33613A1 - X-ray ionization dosimeter : en ru
  • US1941018A - Variable spacer attachment for typewriters : en
  • FR757612A - Further development of chain stitch sewing machines, in particular for shoe soles : en fr
  • FR757571A - Process for obtaining resinous soaps with a very high content of free resin : en fr
  • GB404000A - Improvements in or relating to incubators : en
  • DE590251C - Single armature converter with two separate rotor windings and commutators connected in parallel : de en
  • GB403560A - Improvements in or relating to the anodic coating of aluminium : en
  • DE590126C - Oscillograph : de en
  • CA338222A - Electrical connector : en fr
  • CA338234A - Electric motor : en fr
  • CA338235A - Electric motor : en fr
  • FR757533A - Vending machine for sale : en fr
  • FR757638A - Connection : en fr
  • FR757787A - Improvements in automatic firearms : en fr
  • AT135993B - Induction furnace. : de en
  • CH166314A - Cable entry device shielding against electromagnetic waves. : de en
  • AT136085B - Tin can with expanding lid. : de en
  • FR757419A - Hard metal alloy : en fr
  • FR757475A - Drawing pencil or mechanical pencil for thin and flat leads : en fr
  • GB404274A - Improvements in relieving and locking mechanism for cooperating knife-edged centres and bearings, particularly applicable for use with weighing apparatus : en
  • US1940880A - Spring clutch : en
  • US1941201A - Garment or ironing press : en
  • US1941146A - Vulcanization of rubber : en
  • GB403545A - Improvements in playing cards : en
  • FR757440A - Anchor insulator in oil bath : en fr
  • DE590315C - Electric capacitor with automatic regulation of the capacity depending on the temperature : de en
  • FR757717A - Orientation device : en fr
  • GB403460A - Improvements in or relating to plant pots : en
  • DE590064C - Rotatable, eccentrically mounted grinding piece for pantograph hoops with several grinding surfaces to be used alternately : de en
  • US1940992A - Implement attachment for tractors : en
  • US1941426A - Method of making sulphur trioxide : en
  • SU33604A1 - Contact fixture and recording measuring device : en ru
  • US1941179A - Weather screen : en
  • US1941266A - Treatment of hydrocarbon oils : en
  • USD91245S - Design for a bottle : en
  • SU33874A1 - Radio receiver : en ru
  • FR757549A - Improvement in automatic power transmission systems : en fr
  • GB403708A - Improvements in or relating to the de-oxidation of phenolic compounds : en
  • FR757568A - Improvements to automatic longitudinal stabilization devices for aircraft : en fr
  • FR757458A - Remote control quick drain device for liquid tank : en fr
  • SU33513A1 - Method for thawing frozen wines by electric current : en ru
  • SU33759A1 - The method of sieving using mulch : en ru
  • US1941394A - Woodworking machine : en
  • GB403520A - Improvements in devices for circulating liquids and for reversing the direction of flow thereof : en
  • AT136000B - Method for mimicking the appearance of marble or the like in more than one color. : de en
  • GB403611A - Improvements in and relating to fluid fuel burning apparatus : en
  • SU33804A1 - Paper reel for thread : en ru
  • SU33832A1 - Time delayed switch for signaling devices : en ru
  • FR757575A - Electrically insulating plastic capacitor housing : en fr
  • GB403453A - Improvements in the construction of rotary shuttle-boxes for looms : en
  • GB403681A - Improvements relating to firebars for firegrate bottoms : en
  • US1941204A - Manufacture of useful products from cellulose derivatives : en
  • GB403555A - Improvements in or relating to protuberate surfaced rollers, cylinders or the like for use in printing or textile or other manufacture : en
  • IE12885L - Solid carbon dioxide : en
  • US1940840A - Electrical apparatus : en
  • SU33691A1 - Device for automatic installation of all kinds of geodetic instruments : en ru
  • US1940768A - Bleaching fur skins : en
  • US1940865A - Switch plug : en
  • CA338114A - Gas holder : en fr
  • AT135911B - Backpack. : de en
  • CH166412A - Process for the preparation of an N-alkylated derivative of barbituric acid. : de en
  • SU33608A1 - Method of measuring torque of electric machines : en ru
  • DE590308C - Tubular electrode suspension with internal cooling for hot electrostatic precipitators : de en
  • CA338123A - Lumber drying apparatus : en fr
  • CH166153A - Lever intended in particular to be used for lifting doors while they are being lubricated and for removing doors, windows and shutters. : en fr
  • US1941077A - Production of acetylene from hydrocarbons in electric arcs : en
  • SU33527A1 - Peat cutting machine : en ru
  • SU33607A1 - Device for measuring voltage across arc electrodes in mercury rectifiers : en ru
  • US1941384A - Electrical system : en
  • USD91237S - Design for a bottle : en
  • AT136038B - Method and device for the automatic folding of the cover sheet around cigar wraps with frustoconical ends that are rotated around their longitudinal axis in a winding roller nest or the like. : de en
  • CH166337A - Filter circuit. : de en
  • SU33816A1 - Hydraulic press for punching saw blades : en ru
  • US1940964A - Radiator construction : en
  • US1941221A - Glass cutter : en
  • PL19405B1 - X-ray tube with rotating anode. : en pl
  • SU33720A1 - Moisture meter : en ru
  • BE399777R - : fr
  • CH166413A - Process for the preparation of an N-alkylated derivative of barbituric acid. : de en
  • CA338220A - Grounding fitting : en fr
  • CH166394A - Safety device at level railroad crossings. : de en
  • US1940676A - Process and means for resoling shoes : en
  • CA338111A - Artificial stone : en fr
  • CA338102A - Wheel straightening apparatus : en fr
  • US1941156A - Snap fastener member : en
  • US1941320A - Bath mitt : en
  • US1941151A - Flexible metallic tube : en
  • AT136054B - Dust seal for axle bearings with mechanical lubrication. : de en
  • BE399480A - : en fr
  • CH166225A - Process for the preparation of a dye of the anthraquinone series. : de en
  • CH166326A - AC electric motor. : en fr
  • US1940804A - Radiator : en
  • SU33597A1 - Device for remote protection of electrical installations : en ru
  • SU33567A1 - Device for locking routes of the center of the lysis apparatus : en ru
  • SU33787A1 - Speed Box for Metalworking Machines : en ru
  • SU33879A1 - Void electrical switch : en ru
  • CA338125A - Container sifting and dispensing device : en fr
  • SU33501A1 - Lamellar drill : en ru
  • SU33891A1 - Alarm device to indicate the temperature rise of materials stored in barns, heaps, etc. : en ru
  • US1940740A - Cooking utensil : en
  • US1940754A - Apparatus for forming flanged bearings and the like : en
  • US1941418A - Device for connecting scaffold poles and the like : en
  • SU33525A1 - Brush for cleaning clothes and various fibrous materials : en ru
  • US1940806A - Filling head for can filling machines : en
  • CH166231A - Process and apparatus for bleaching pulp. : de en
  • CH166317A - Water tube boiler. : de en
  • DE590249C - Seal for bushing insulators and other bodies which are inserted into oil-filled housings of electrical apparatus : de en
  • FR757371A - Improvements made to the presentation of processed cheeses or other : en fr
  • GB403481A - Process for the destructive hydrogenation of distillable carbonaceous materials : en
  • FR757706A - Device for forming boxes on a table to receive any products : en fr
  • FR757583A - Local application of the microphone to wireless telephony receiving devices : en fr
  • FR757572A - Improvements relating to the use of heavy combustible liquids such as gas oils in internal combustion engines : en fr
  • FR757375A - Manufacturing process of hard metal parts, compressed and profiled, which can be machined without prior concretion : en fr
  • US1940664A - Process of forming metal containers : en
  • US1940885A - Method of and apparatus for assembling universal joints : en
  • CH166244A - Photo machine. : de en
  • CH166282A - Process for the production of inner layers of plywood panels from rods. : de en
  • SU33551A1 - Clinker paving machine : en ru
  • CH166151A - Process for the production of an easily soluble cleaning agent containing alkali silicate in powder form. : de en
  • AT136059B - Single axle drive with spring clutch that is flexible on all sides for vehicles. : de en
  • SU33706A1 - Device for measuring tree trunks : en ru
  • US1940801A - Carburetor : en
  • PL19433B1 - A method for producing colored cellulosic material. : en pl
  • SU33819A1 - Ball bearing bush for wheelbarrow axles : en ru
  • FR757486A - : fr
  • GB403674A - Improvements in or relating to two-way telephone systems : en
  • CH166169A - Device to compensate for fluctuations in the flow rate of spinning pumps. : de en
  • CH166106A - Device on mowers, in particular on motor mowers, for producing a narrow mowing on one side of the machine. : de en
  • CH166375A - Horseshoe. : de en
  • SU33834A1 - Device for alarm single-loop alarm : en ru
  • US1941428A - Bobbin crate : en
  • CA338152A - Gaseous discharge device : en fr
  • CH166378A - Closure for tubes with deformable walls. : en fr
  • US1940707A - Inorganic insulation for electrical sheets : en
  • US1940738A - Smoothing machine : en
  • US1940896A - Telegraph system : en
  • CH166322A - Process for the production of zinc cans for electrical elements. : de en
  • US1940719A - Squeeze tube container : en
  • AT135954B - Device for reducing the control times of generators. : de en
  • PL19336B1 - Method for the decomposition hydrogenation of carbon-containing materials. : en pl
  • SU33811A1 - Sensitometer : en ru
  • US1941255A - Felted fabric : en
  • US1941315A - Temperature control : en
  • CH166312A - Regulating device for internal combustion engines, in particular for vehicle drive machines. : de en
  • CA338086A - Alpha cellulose production : en fr
  • SU33476A1 - Screw clamp valve for flexible pipes or hoses : en ru
  • US1940728A - Shoe cleaning and polishing glove : en
  • US1941217A - Broaching tool : en
  • SU33526A1 - Device for thermal processing of combustible minerals : en ru
  • US1940694A - Method of making pistons for shock absorbers : en
  • US1941399A - Hydraulic buffer with closing device for doors : en
  • SU33783A1 - Drive for oscillating motion : en ru
  • US1940710A - Alkacyl-alkoxyalkacyl esters of cellulose and process of making the same : en
  • US1940930A - Electrical apparatus : en
  • SU33837A1 - Lacquer fixing device : en ru
  • FR757478A - Improvement brought to the teaser game : en fr
  • AT135922B - Cylinder head for hot-head engines. : de en
  • CH166211A - Process for the extraction of basic aluminum sulphites from silicic acid-containing clay minerals. : de en
  • FR757557A - Axleless plow with double lift and single lever : en fr
  • AT136086B - Lighting fixtures. : de en
  • FR757537A - Mechanical process for the recovery of carbon dioxide contained in exhaust gases and fumes, combustion, etc. : en fr
  • AT136083B - Packing of peat. : de en
  • DE590278C - Extraction of anhydrous alkali polysulphides : de en
  • DK48189C - Method for Assembling Wooden Structures. : da en
  • GB404308A - An improved process for the mechanical manufacture of glass bottles with precisely dimensioned neck opening : en
  • PL19323B1 - A method of making wadding. : en pl
  • PL19418B1 - Optical system. : en pl
  • US1940860A - Synthetic production of ammonia : en
  • US1941295A - Locomotive : en
  • SU33884A1 - A method of manufacturing sheets of plywood and cardboard : en ru
  • US1940762A - Separator for treated emulsions : en
  • US1941277A - Manufacture of ether derivatives of carbohydrates like cellulose : en
  • SU33762A1 - Device for absorbing juice from the roots of rubber plants : en ru
  • DE590295C - Method of converting quartz : de en
  • CA338133A - Modulated high frequency transmission : en fr
  • CH166215A - Process for the preparation of bromo-2-butadiene-1,3. : de en
  • CA338093A - Metal treating furnace : en fr
  • SU33638A1 - Functional maxillary article tor : en ru
  • SU33480A1 - Mandrel for making curved casing wall of centrifugal fans : en ru
  • SU33545A1 - Log stamping numerator : en ru
  • DE590252C - Measuring arrangement for alternating current with a measuring circuit containing a direct current measuring device and two separately excited synchronous switches : de en
  • AT135960B - Method and device for determining the fineness modulus of loose heaps by mechanical means. : de en
  • CH166149A - Gas stove with hot water tank. : de en
  • BE399952A - : en fr
  • PL19376B1 - The way of moving a heavier body, immersed in another body, is lighter, and the device used to carry out this method. : en pl
  • US1940937A - Sound recording and reproducing system : en
  • FR757684A - Cycle handlebars : en fr
  • IE12827L - Electrical plugs : en
  • SU33503A1 - Combined Coal Mining Machine : en ru
  • US1941065A - Flusher : en
  • SU33656A1 - Apparatus for drawing glass sheet from the free surface of the molten glass mass : en ru
  • DE590205C - Storm hook : de en
  • FR757696A - Improvements to universal joints : en fr
  • CA338241A - Wave translating system : en fr
  • AT135908B - Sliding window. : de en
  • US1941285A - Titanium sulphate compounds : en
  • US1940757A - Process for dyeing furs, hairs, and feathers : en
  • CH166384A - Lighting system on vehicles such as bicycles and motorcycles. : de en
  • AT135951B - Controllable mercury vapor converter for coupling AC networks of any frequency and number of phases. : de en
  • US1941260A - Superheater : en
  • CH166236A - Visas on filing pockets. : de en
  • AT136063B - Wheel tires for rail vehicles and processes for their manufacture. : de en
  • CH166268A - Limiting device for double-plate anchor escapement. : en fr
  • FR757582A - Improvements to refrigeration : en fr
  • FR757742A - Heavy oil carburettor for all internal combustion engines : en fr
  • US1940775A - Percolator : en
  • US1940990A - Valve : en
  • US1941000A - Cooling tower : en
  • PL19412B1 - : en pl
  • USD91246S - Design for a bottle : en
  • SU33529A1 - Fixture for the distribution of summary statistical and accounting statements : en ru
  • CH166266A - Regulator for pocket watches. : de en
  • US1940971A - Door hanger lock and release : en
  • CA338174A - Photographic emulsion : en fr
  • CA338239A - Magnetic material : en fr
  • DE590261C - Epicyclic reversing gear : de en
  • FR757467A - Device for the control and automatic adjustment of the chemical composition of an electrolyte by measuring its electrical resistance : en fr
  • GB403606A - Improvements in, or relating to, joints for the rails of railway, tramway and similar tracks : en
  • US1940905A - Matrix-setting and type-line-casting machine : en
  • AT135990B - Process for cementing iron, steel and their alloys. : de en
  • CH166165A - Storage and sales facility for coffee and similar goods. : de en
  • DE590351C - Process for the production of bare electrodes for electric arc welding : de en
  • FR757515A - Advanced air suspension system : en fr
  • FR757666A - Method and device for spraying liquids : en fr
  • SU33473A1 - High pressure valve : en ru
  • SU33561A1 - Wagon retarder : en ru
  • GB403524A - Road pavement : en
  • US1940746A - Clothesrack : en
  • FR757544A - Further development in V-belt drive systems : en fr
  • GB403654A - Improvements in the absorption of olefines and in the manufacture of oxygenated organic compounds therefrom : en
  • SU33669A1 - Apparatus for making artificial plugs of paper pulp : en ru
  • PL19384B1 - A method of granulating crystallizable salts. : en pl
  • US1940742A - Combination drain and pipe coupling : en
  • US1941088A - Egg opener : en
  • SU33820A1 - Device for spilling liquids in metered portions : en ru
  • US1941014A - Heat transmission and distribution : en
  • US1941056A - Method and device for polishing two edged razor blades : en
  • BE399723A - New system for producing the rotor windings of electrical machines : en fr
  • DE590214C - Arrangement for receiving ultra-short electrical waves : de en
  • SU33750A1 - Maize harvesting machine : en ru
  • AT136012B - Process for the preparation or regeneration of catalysts for the conversion of terpenes. : de en
  • US1941447A - Radio telephone signaling : en
  • CH166207A - Process for the evaporation of liquids, in particular sea water or other liquids containing substances which are separated out during evaporation. : de en
  • PL19392B1 - A method for sorting coal and similar materials, and an apparatus for carrying out the method. : en pl
  • SU33572A1 - A device for determining at the station the location of a moving train. : en ru
  • US1941127A - Radiator cover : en
  • PL19355B1 - A method of sealing bituminous road surfaces, preventing the penetration of moisture. : en pl
  • PL19374B1 - Foot automatic bicycle brake. : en pl
  • SU33679A1 - The method of preparation of marble fiber : en ru
  • CH166138A - Nozzle for spraying sludge in rotary kilns. : de en
  • US1940958A - Head rod clamp : en
  • US1941429A - Apparatus for supplying a machine with material : en
  • CA338201A - Antenna : en fr
  • US1941016A - Die-clearing mechanism : en
  • US1941280A - Friction material and method of making the same : en
  • US1941305A - Wireless receiving circuit : en
  • AT136077B - Device for adjusting the loading width of upper parts of the vehicle. : de en
  • CA338232A - Power transmitting mechanism : en fr
  • DE590223C - Footwear sewing machine with ribbon spreader : de en
  • FR757628A - Process for the preparation of water-insoluble azo dyes and dyes obtained by this process : en fr
  • USD91244S - Design fob an electric light shade : en
  • BE399643A - Preparation of masses composed of or containing cellulose esters and / or ethers. : en fr
  • SU33542A1 - Device to install the letter before soldering it to the lettered lever : en ru
  • USD91234S - Design for a shoe : en
  • US1940950A - Air brake : en
  • AT136037B - Winding roller nest for cigars. : de en
  • DE590316C - Device for switching a radio receiver on and off : de en
  • US1940790A - Fluid conducting passage : en
  • CA338175A - Photographic emulsion : en fr
  • CA338210A - Halogenation process : en fr
  • SU33855A1 - Intermittent method of drying pasta : en ru
  • CH166373A - Goods display stand. : de en
  • FR757410A - Telephone transmission system by loaded cables, in particular by pupin cables, for long distances : en fr
  • PL19351B1 - Wooden ceiling with wooden beams to attach machines and pedestals : en pl
  • CH166115A - Method of accelerating the germination and growth of seeds. : de en
  • CH166275A - Contact device for electric timepieces. : en fr
  • PL19333B1 - Metal processing method. : en pl
  • US1941035A - Azodyestuffs insoluble in water and process of making same : en
  • US1940765A - Railway draft rigging : en
  • SU33690A1 - Device for checking the size of rectangular sheet blanks : en ru
  • SU33857A1 - Portable chlorite : en ru
  • DE590122C - Stencil stamp : de en
  • FR757660A - : fr
  • US1941017A - Railroad crossing gate : en
  • CH166124A - Communication window. : de en
  • SU33635A1 - Instrument for the psychotechnical study of motility by rotation or shock : en ru
  • SU33695A1 - The device for applying contour lines on the plan : en ru
  • US1941363A - Apparatus for cooling a passenger vehicle : en
  • US1941412A - Process of making envelopes : en
  • SU33841A1 - Adaptation to winding machines to break the second thread when one of the spliced threads breaks : en ru
  • US1941013A - Tractor plow : en
  • AT136046B - Ski binding. : de en
  • SU33495A1 - Elevator hinge clamp : en ru
  • PL19314B3 - Device for inductively acting on a train. : en pl
  • PL19361B1 - Grease pump. : en pl
  • US1941043A - Line control for can making machines : en
  • US1941084A - Paper box : en
  • SU33682A1 - Electrolyzer for obtaining magnesium from molten chloride salts : en ru
  • GB403511A - Improvements relating to stands for supporting articles for table or like use or for window display : en
  • GB403699A - Improvements in and relating to the manufacture of boxes : en
  • FR757366A - Valve for high pressure fluids : en fr
  • FR757584A - Animal Skin Wool Removal Machine : en fr
  • GB403578A - Improvements in or relating to washing coppers : en
  • GB403691A - A new or improved puzzle : en
  • GB403696A - Improvements in or relating to loading coil cases : en
  • CH166187A - Drum washing machine with swivel device for emptying the laundry drum. : de en
  • DE590028C - Saettiger : de en
  • FR757601A - Guide spider for adductions with needle nozzle of free jet turbines : en fr
  • CH166141A - Mortise lock for rebated doors. : de en
  • FR757452A - Improvements in the application of hydrogen to gas engines : en fr
  • FR757678A - Improvements relating to door brakes : en fr
  • FR757688A - Method and apparatus for controlling the temperature in heating, refrigerating, etc. installations. : en fr
  • FR757554A - Safety razor : en fr
  • GB403583A - Improvements relating to axle boxes : en
  • DE590157C - Process to create an extraction of volatile distillation products from the middle parts of the fuel mass in existing chamber furnaces : de en
  • FR757581A - Method and device for producing a so-called line of weakness in the lids of cans of food preserves or the like : en fr
  • FR757720A - Flavored alcoholic lemonade : en fr
  • GB403658A - Improvements relating to interrupters for the ignition apparatus of internal combustion engines : en
  • US1941093A - Sheet feeding mechanism for printing machines : en
  • US1941223A - Page-end indicator : en
  • FR757540A - Process for manufacturing sensitive paper for securities : en fr
  • GB403477A - A secret signal system : en
  • FR757722A - Improvements to feed systems for carburetors : en fr
  • GB403452A - Improvements appertaining to let-off mechanism for looms : en
  • FR757360A - Safety device for steam generators, refrigerants and similar installations : en fr
  • GB403494A - Improvements in and relating to wringers : en
  • FR757445A - Lifting device and dispenser for lockers and racks : en fr
  • GB403712A - Improvements in packing or jointing material : en
  • DK48206C - Automatic marking Ring slider. : da en
  • DE590242C - Siemens-Martin furnace made of cast refractory materials : de en
  • DE590155C - Process for producing a dense, homogeneous blast furnace slag : de en
  • GB404294A - Improvements in mowing machines : en
  • GB403963A - Improvements in or relating to process of and apparatus for making pipe, and the improved pipe resulting therefrom : en
  • AT135914B - Closure for bags, in particular women's handbags. : de en
  • AT135969B - Shaving device. : de en
  • US1941262A - Cellulose acetate composition : en
  • US1941080A - Thermostat for electric ovens : en
  • FR757711A - Universal pliers for bending, removing and cutting insulating tubes and conductors : en fr
  • FR757708A - Fireplace for arc extinction in antenna-shaped electrode switches : en fr
  • DE590117C - Incombustible charcoal lighter : de en
  • GB403938A - Improvements in tools and appliances for working glass and other vitreous substances in the liquid or plastic state : en
  • SU33675A1 - Method and device for rolling rubber compounds, eliminating their overheating : en ru
  • GB403540A - Valve repeater circuits for telephony : en
  • FR757367A - Letter envelope : en fr
  • FR757397A - Device making it possible to maintain horizontally all equipment on wheels intended to operate on hillsides, whatever the slope of the ground, with horizontal articulation of the stretchers : en fr
  • FR757527A - Register selector-distributor-binder magazine or similar parts : en fr
  • FR757401A - Reproducing machine, with variable scales, in particular for the manufacture of shoes : en fr
  • GB403503A - Improvements in arm chairs transformable into medical tables : en
  • GB403554A - Improvements relating to the production of cellulose acetate : en
  • PL19387B1 - Device preventing corrosion of iron mercury rectifier tanks cooled with water. : en pl
  • SU33514A1 - Liner for rolling mill bearings : en ru
  • US1941129A - Tipped lace : en
  • US1940788A - Internal combustion engine : en
  • US1941060A - Apparatus for manufacturing cigar fillers : en
  • US1941361A - Air inlet control and method of operating a pump-turbine : en
  • FR757369A - Appliance for salting meats using brine to introduce : en fr
  • FR757718A - : fr
  • GB403715A - Improvements in metal doors : en
  • BE399607A - : en
  • CH166152A - Wall stamp. : en fr
  • CH166354A - Method for the preparation of a cardiac active glucoside. : de en
  • FR757588A - : fr
  • DE478559C - Collectors for loose sheets, which are lined up with outwardly open incisions on continuous flexible means between two strips, one of which can be attached to the flexible means at any point : de en
  • FR757749A - Self-winding wristwatch : en fr
  • DK48208C - Device for removing air from a liquid, namely milk, which is heated in a heat exchange apparatus. : da en
  • SU30010A1 - Locking device to the wing of the snow plow system Bjerke : en ru
  • SU33714A1 - Clear mirror : en ru
  • US1941191A - Prepayment meter : en
  • US1941227A - Fishing reel : en
  • SU33715A1 - A device for pyrometry and gas analysis of rotary kilns, in particular, cement kilns : en ru
  • SU33757A1 - Cotton banding machine : en ru
  • US1940872A - Illumination apparatus : en
  • USRE19036E - Preparation of rosin solutions : en
  • FR757609A - Removable eclipse signaling arm for trucks, trailers, etc. : en fr
  • CA338177A - Carbonaceous material conversion : en fr
  • DE590216C - Circuit breaker with residual current coil and testing device : de en
  • DE558785C - Deflagration gas turbine : de en
  • BE399561A - : en
  • GB403440A - Improvements in or relating to speed governors : en
  • FR757630A - Film case for cameras : en fr
  • US1941057A - Azo dyestuffs and fiber dyed therewith : en
  • US1941118A - Gut cleaning machine : en
  • SU33683A1 - The method of obtaining metallic magnesium : en ru
  • SU33789A1 - Adaptation to the lathe for securing the sectors during their processing : en ru
  • US1941185A - Support for shirt collars : en
  • CH166249A - Ski binding. : de en
  • SU33549A1 - Muffle furnace with suction of air from the muffle : en ru
  • AT136096B - Safety igniter for gas appliances. : de en
  • US1941440A - Process of converting hydrocarbon oil : en
  • PL19312B3 - Device for arc extinguishing in electric switches with contacts immersed in liquid. : en pl
  • SU33648A1 - The method of casting magnesium and its alloys : en ru
  • US1940712A - Method and means for braking vehicles : en
  • BE399611A - : en
  • CA338202A - Antenna coupling : en fr
  • US1941314A - Temperature control : en
  • US1941419A - Frictional connecting means for straight knitting machines : en
  • CH166200A - Apparatus for the anesthesia of living beings. : en fr
  • US1940878A - Set screw : en
  • US1941144A - Strap conveyer system : en
  • US1941272A - Method of and apparatus for making bags : en
  • US1941415A - Method of treating milk and milk products to recover the contained milkfat in substantially pure and neutral condition : en
  • PL19399B1 - Distance meter with built-in sight. : en pl
  • SU33578A1 - Telephone finder : en ru
  • US1941178A - Saw sharpening machine : en
  • SU33785A1 - Automatic crane device : en ru
  • AT135966B - Foldable, portable table with seats. : de en
  • DK48193C - Device for sharpening razor blades and the like. : da en
  • FR757648A - Bra : en fr
  • GB403498A - Improvements in or relating to liquid pressure braking means for vehicles : en
  • US1940760A - Organic arsenic compound : en
  • CH166166A - Process for the production of bristle strips. : de en
  • FR757433A - Process for the thermal treatment of hydrocarbons : en fr
  • SU33842A1 - Method of making hockey ball : en ru
  • DE590289C - Electromagnetic strain or tension meter : de en
  • FR757747A - : fr
  • FR757730A - Steam plant : en fr
  • GB403660A - Improvements relating in air compressors : en
  • US1940957A - Pump unit : en
  • US1940900A - Brief case : en
  • DE590300C - Candle saving burner : de en
  • PL19369B1 - Self-made firearm. : en pl
  • US1941092A - Knitting mechanism : en
  • SU33838A1 - Comb mechanism for preparatory spinning machines of flax-hemp-jute production : en ru
  • US1940904A - Surgical appliance : en
  • DE590352C - Process for the production of rayon : de en
  • AT135919B - Screw locking. : de en
  • CH166197A - Machine for applying glue to cracks and crack lips of soles. : de en
  • CH166343A - Built-in, especially anode grids in a rectifier. : de en
  • GB403510A - Machine for stripping the waste sliver from condenser or like bobbins used in the textile trade : en
  • DE590349C - Process for regulating turbine generators equipped with sensitive turbine regulators : de en
  • US1940839A - Roller bit : en
  • US1940987A - Process for the preparation of organic acids : en
  • US1941033A - Machine for closing filled cans : en
  • DK48204C - Device for high-speed DC compound generators. : da en
  • SU33596A1 - Device for differential protection of transmission lines and electrical anergy : en ru
  • DE590307C - Rotary drum filter : de en
  • FR757470A - Distributor of heavy, gravel or granular materials for self-unloading trays, self-pushers, tippers and fixed hoppers : en fr
  • CH166220A - Process for the preparation of a copper-containing azo dye. : de en
  • PL19408B1 - The method of carburizing the outer layer of wire or metal tapes. : en pl
  • US1940772A - Oil tester : en
  • SU33764A1 - Cabinet Incubator : en ru
  • US1940898A - Stone and asphalt spreader : en
  • US1941066A - Radio signaling system : en
  • US1941283A - Diamond drill and method of making the same : en
  • US1940731A - Electric sadiron : en
  • DE590243C - Procedure to prevent sagging and warping of workpieces during case hardening : de en
  • US1940874A - Automatic volume control : en
  • US1940939A - Metal working : en
  • US1941359A - Radiator valve : en
  • FR757681A - Electronic tube feeding device : en fr
  • US1940794A - Treated oil settling device : en
  • US1941330A - Air distributor for automobile heaters : en
  • CH166222A - Process for the preparation of a chromable green monoazo dye. : de en
  • DE590057C - Oven for cementing iron objects : de en
  • DE590294C - Split body rudder for ships : de en
  • FR757551A - Rotary polisher : en fr
  • GB403663A - Improvements in electric snap-action switches : en
  • FR757548A - Process for obtaining long framing times in split-sheet printing machines : en fr
  • GB403956A - Improvements in or relating to continuous-feed motion picture apparatus provided with optical compensators : en
  • GB403576A - Improvements in and relating to coin holders or purses : en
  • GB403577A - Improvements in or relating to washing coppers : en
  • FR757629A - High voltage discharge tube : en fr
  • US1941372A - Elastic fluid turbine : en
  • US1940787A - System or apparatus for humidifying air : en
  • GB403478A - Improvements in or relating to the assembly and fixing of exhaust pipes of internal combustion engines : en
  • PL19344B1 - A method for the purification of fermentative carbonic acid and an apparatus for carrying out the method. : en pl
  • US1941416A - Improved tobacco product : en
  • US1941445A - Electromechanical oscillator : en
  • AT135912B - Basic material for tapestry work. : de en
  • CH166347A - Collection and cleaning containers for the sealing liquid of waterless gas containers. : de en
  • FR757534A - Improvements to automatic or semi-automatic telephone systems including prepaid stations : en fr
  • DE582937C - Alloys that are hot-workable : de en
  • FR757512A - Petard : en fr
  • FR757636A - Air brake training : en fr
  • GB403661A - Improvements in and relating to sight-testing apparatus : en
  • SU33784A1 - Switching valve with ball valve for air distribution valve in the brakes Kazantseva and others. : en ru
  • US1940853A - Mounting for coil springs : en
  • US1940989A - Preparation of organic acids : en
  • US1941439A - Hair curling device : en
  • US1940789A - Lock : en
  • SU33540A1 - Rail for distribution mechanism of typesetting machine "Linotype" : en ru
  • US1941030A - Means for controlling the flow of fluids : en
  • US1941292A - Photographic shutter : en
  • US1941316A - Upper cutting machine : en
  • CH166259A - Multi-piston volumetric meter. : en fr
  • DE590263C - Spool storage for roll film cameras : de en
  • CA338190A - Separable fastener : en fr
  • CH166243A - Cinematographic apparatus. : en fr
  • FR757541A - Improvements to mechanical separation devices for dust in gases : en fr
  • SU33853A1 - Hydraulic valve for pipes connected to a storage for flammable liquids : en ru
  • US1940947A - Clutch mechanism : en
  • US1941071A - Container and closure means for the same : en
  • PL19420B1 - Engine mounts, especially in motor vehicles. : en pl
  • US1940764A - Time sender : en
  • US1940933A - Wall and ceiling construction : en
  • US1941311A - Oil filter : en
  • US1941318A - Combined check writing anx : en
  • AT135905B - Mixture regulator monitoring the consistency of the substance. : de en
  • CH166162A - Drawer with exchangeable box guide rails that can be adjusted using rotatable adjustment means. : de en
  • SU33890A1 - Fixture for leveling the amount of fluid supplied in twin pumps : en ru
  • SU33778A1 - Composite piston primarily for internal combustion engines : en ru
  • SU33686A1 - Pantographic ruler : en ru
  • US1941413A - Spool : en
  • SU33539A1 - Gas nozzle : en ru
  • US1940914A - Compensating suspensions for multiwheel vehicles : en
  • US1941302A - Water cooled vacuum tube : en
  • SU33678A1 - Ornamental material and method of processing : en ru
  • USRE19037E - Refrigerator cabinet : en
  • FR757480A - : fr
  • FR757574A - Method for increasing the sound effect of sirens and other alarms : en fr
  • GB403594A - Improvements in or relating to the rims of metal plate walling such as that of wagonbodies, tanks and the like : en
  • DE590149C - Support roller arrangement for belt vehicles : de en
  • DE590257C - Process for the production of blood albumin glue : de en
  • GB403556A - Leather imitations : en
  • GB403541A - Improvements in luminous tube signs : en
  • DE590136C - Floor polisher : de en
  • AT136053B - Yoke for the production of concrete lanes in road structures. : de en
  • US1941076A - Voltage regulator for electric generators : en
  • FR757596A - Combination mask and protective device against dust and gas : en fr
  • AT136056B - Traffic route cover. : de en
  • FR757589A - Improvements in processes to prevent the impregnation of materials with moisture from neighboring moist substances, especially for pastry articles comprising surface or intermediate layers of fruit, berries, jelly, meat preparations, creams or analogues : en fr
  • FR757437A - Time mechanism for billiards with ball collector : en fr
  • FR757640A - Internally washable injector : en fr
  • US1940780A - Insulator for coaxial conductors : en
  • US1941378A - Stretcher jack : en
  • US1941434A - Foundry plant : en
  • US1940782A - Safety device for locks : en
  • DE590302C - Closing piston for container for storing gas : de en
  • US1940962A - Contact for electrical circuit breaker mechanisms : en
  • SU33538A1 - Boiler Cap : en ru
  • SU33709A1 - Device for weighing grain residues in automatic scales : en ru
  • FR757542A - Electro-mechanical control device for any trade : en fr
  • FR757430A - Further training in lighting devices and in particular in electric lanterns and ceiling lights for motor vehicles : en fr
  • AT135976B - Suspension clip for attaching curtain rails to holding irons. : de en
  • CA338127A - Staple band : en fr
  • US1940981A - Canopy support : en
  • SU33587A1 - Regenerative amplifier : en ru
  • US1941289A - Rock drill : en
  • FR757746A - Process for reciprocal refrigeration or heating of chambers or vessels : en fr
  • PL19332B1 - A method of producing wetting, foaming, dispersing and cleansing agents. : en pl
  • US1941047A - Container for spools : en
  • US1941085A - Telephone system : en
  • GB403565A - Improvements in or relating to oil-break switches and the like : en
  • GB403653A - Improvements in casement or like fasteners : en
  • FR757381A - Process for preparing potassium formate : en fr
  • USD91243S - Design fob a rug : en
  • US1941297A - Attachment for plain looms : en
  • SU33865A1 - A device for determining the size of crystals : en ru
  • US1941291A - Photographic shutter : en
  • FR757744A - Direct current generator with shunt excitation, for adjustable short-circuit currents, in particular for electric welding : en fr
  • GB403548A - Improvements in and relating to change speed gears, particularly for motor cycles, boat engines and the like : en
  • SU33498A1 - Separator for degassing mud : en ru
  • US1940675A - Wheel mounting : en
  • US1940841A - Candelabra : en
  • SU33653A1 - Glass melting installation : en ru
  • CA338246A - Oil burner : en fr
  • CH166349A - Removable ring for oil burner cap. : en fr
  • PL19348B1 - A device for setting the counter in electric measuring instruments, especially counters. : en pl
  • SU33743A1 - Potato harvesting machine : en ru
  • US1940921A - Expansible fluid meter : en
  • CH166130A - Oven door. : de en
  • US1941096A - Dental bridge : en
  • FR757464A - Automatically controlled image projector : en fr
  • US1940785A - Method of welding tanks : en
  • US1941219A - Apparatus for directing oval cigarettes : en
  • PL19359B3 - Concrete cover for cables. : en pl
  • US1940916A - Railway light signal : en
  • PL19320B1 - Garter belt. : en pl
  • SU33726A1 - Vessel for receiving and storing samples of bulk and liquid substances : en ru
  • CA338211A - Substitution reaction inhibition : en fr
  • PL19371B1 - Fan driven air turbine. : en pl
  • PL19400B1 - A method of obtaining multiform materials in a specific crystal form. : en pl
  • SU33880A1 - Starting rheostat : en ru
  • US1940803A - Condenser control device : en
  • CH166383A - Coupling auxiliary device for motor vehicles. : de en
  • SU33550A1 - Method for determining temperature effects on rail track with welded joints : en ru
  • US1941142A - Process of making dinitro-phenylbenzothiazyl-sulphides : en
  • US1941381A - Magnetic chuck circuits : en
  • PL19381B1 - A toy for children. : en pl
  • SU33637A1 - Method and device for making functional records of chewing movements of jaws on plastic material : en ru
  • US1941190A - Tobacco supply means for cigarette machines : en
  • FR757377A - Process for the treatment of raw vegetable fibers such as jute. hemp, coir and the like, or for treating yarns or fabrics made from these fibers : en fr
  • DE579707C - Vibrating device for musical instruments : de en
  • CH166409A - Gas burner. : en fr
  • CA338105A - Hydrogen sulphide removal from gases : en fr
  • SU33830A1 - Tank and armored observation device : en ru
  • US1940932A - Pressure control valve : en
  • US1941247A - Control apparatus for valves : en
  • US1941306A - Farm implement : en
  • USD91235S - Design for a fish lure : en
  • AT136060B - Concrete and iron dam and retaining wall. : de en
  • FR757428A - Operating mechanism intended to be maneuvered using the knee, for electric sewing machines : en fr
  • FR757725A - New sulfuric derivatives soluble in water : en fr
  • US1941254A - Automatic telephone system : en
  • US1940824A - Rubber composition and method of preserving rubber : en
  • US1941357A - Fluid control system : en
  • AT136050B - Methods of building underground railways. : de en
  • SU33867A1 - Device for automatic control of drill string pressure : en ru
  • AT135926B - Blow-down valve with knee lever closure. : de en
  • CA338098A - Earth anchor : en fr
  • CA338135A - Fuel pump : en fr
  • SU33854A1 - Device for reading the height of the level of flammable liquid in the storage : en ru
  • US1940941A - Foot arch support : en
  • DE590217C - Process for the production of resistant protective coatings on metallic objects, especially iron pipes : de en
  • SU33664A1 - Assembly tool set outside the saw-frame : en ru
  • CH166339A - Dry rectifier. : de en
  • CH166388A - Method for lubricating axle bearings, in particular rail vehicles. : de en
  • US1940717A - Refrigerating apparatus : en
  • US1941341A - Method and apparatus for synchronizing photoplays : en
  • US1941432A - Metallic window structure : en
  • SU33730A1 - Good Chemistry Allowance : en ru
  • US1941067A - Radio broadcasting and receiving : en
  • US1941198A - Ice making apparatus : en
  • US1941339A - Thermostatic control for vapor electric devices : en
  • AT136061B - Rotating compression chiller. : de en
  • CH166256A - Aiming device for dropping objects from aircraft. : de en
  • CH166318A - Steam generator in which, in addition to the feed liquid, liquid is also fed in at points between the inlet end and the outlet end of a pipe string. : de en
  • AT136067B - Spindle steering for motor vehicles. : de en
  • CH166307A - Double acting high pressure pump. : de en
  • CH166330A - Electrical conduit and process for its manufacture. : de en
  • CH166320A - Device for storing dry ice blocks, which has a double-walled, evacuated insulating vessel. : de en
  • SU33823A1 - Pipe end grinding machine : en ru
  • CA338205A - Electric motor : en fr
  • AT135967B - Device for automatic control of the arc length during electric arc welding. : de en
  • CH166213A - Process for the preparation of a mixed anhydride between boric acid and an organic acid. : de en
  • FR757599A - Swivel device for hinged doors : en fr
  • CA338162A - Ketene reaction product : en fr
  • CH166321A - Electric cell and method for making it. : en fr
  • US1940882A - Sorting apparatus : en
  • CH166159A - Spring insert for mattresses, seat cushions and the like. : de en
  • DE590227C - Process for the production of molded bodies from a lean substance and a clay binder treated with alkalis or other liquefying agents : de en
  • FR757455A - Ironing cylinder : en fr
  • SU33732A1 - Mobile table for competitions and tournaments. : en ru
  • PL19357B1 - The tub has a heater. : en pl
  • SU33628A1 - The method of obtaining jelly from various organic liquids : en ru
  • US1941407A - Vibrating blade rectifier : en
  • PL19349B1 - The method of building cylindrical roads made of crushed stone. : en pl
  • US1940799A - Mining machine : en
  • USD91239S - Design for a qtjin-focal ophthalmic : en
  • CA338103A - Folding spectacle : en fr
  • CH166408A - Radiator, in particular for oil cooling for transformer boxes. : de en
  • AT136070B - Motor vehicle with three or more axles. : de en
  • CA338206A - Soy bean flour : en fr
  • AT135979B - Articulated connection for collapsible pieces of furniture, such as folding tables, folding armchairs or the like. : de en
  • AT136033B - Ski whose metal strips are connected to a strip-shaped surface on the side facing the running wood. : de en
  • GB403985A - Systems for controlling operations by means of sound waves : en
  • SU33520A1 - Device for reducing the tension of the fabric during the unleashing of knots on the shaft of machines : en ru
  • US1941364A - Apparatus for removing the lead covering of electrical cable : en
  • US1941438A - Process for metallizing with reflecting highly polished surface celluloid in sheets and any other form by chemical means : en
  • AT135907B - Device for draining damp rooms. : de en
  • GB403490A - Improvements relating to oil vapour stoves : en
  • CA338115A - Metal fastener : en fr
  • SU33875A1 - Device for secret telephone communication : en ru
  • US1941006A - Stopping and brake-applying mechanism for narrow ware looms : en
  • US1941231A - Alloy of beryllium and aluminum : en
  • DE590171C - Cross air frames for drying fabrics : de en
  • FR757716A - Improvements made to dredge buckets : en fr
  • CA338170A - Brick machine : en fr
  • DE590187C - Electrically heated hotplate with high heat output, the heating conductor of which is embedded in insulating compound between ribs attached to the inside of the hotplate : de en
  • GB403958A - Arrangement for switching inductive loads on to networks of relatively small capacity : en
  • SU33547A1 - Manganese non-magnetic steel : en ru
  • SU33696A1 - Device for the breakdown of built embankments : en ru
  • US1941410A - Glass melting furnace : en
  • US1941082A - Toy parachute and projecting means therefor : en
  • PL19331B1 - Steel alloys intended, in particular, for products subject to permanent mechanical stress, such as tanks, pipes, parts for the construction of boilers, etc. : en pl
  • US1940827A - Feed water regulator : en
  • AT136090B - Method and device for removing dust and chips from an air stream. : de en
  • SU33537A1 - Device to prevent the deposition of scale on the walls of boiling tubes of steam boilers : en ru
  • US1940726A - Treatment of hydrocarbon oils : en
  • CH166414A - Process for the preparation of an N-alkylated derivative of barbituric acid. : de en
  • SU33570A1 - Device for automatically stopping a train from the track : en ru
  • US1941230A - Beryllium-aluminum alloy : en
  • SU33807A1 - Device for continuous demonstration of films : en ru
  • SU33861A1 - Helicoidal water per turbine : en ru
  • US1941195A - Can closing machine : en
  • US1940895A - Internal combustion engine : en
  • US1941020A - Heating installation : en
  • US1941265A - Rail lubricator : en
  • FR757743A - Device for attaching end pieces of rubber, leather or the like to heels of shoes : en fr
  • US1941120A - Manufacture of goods of rubber or : en
  • FR757394A - Gearshift for bicycle, sliding pinion and chain tensioner : en fr
  • US1940881A - Combined receiver and transmitter : en
  • DE590188C - Electric iron with an automatic signaling device arranged directly on the iron : de en
  • DE586534C - Process for the production of a rigid filling compound for storage purposes : de en
  • FR757637A - Manufacturing process of a product promoting fermentation and cooking : en fr
  • GB403974A - Sensitization of photographic silver halide emulsions and manufacture of a sensitising dye therefor : en
  • FR757558A - Inflation connection : en fr
  • BE399461A - : en fr
  • CH166174A - Method and device for producing weft coils. : de en
  • SU33848A1 - A method for increasing the hydraulicity of dolomitic lime : en ru
  • AT135987B - Method and device for the production of grid electrodes. : de en
  • AT135929B - Process for controlling hydraulic clutches and clutches suitable for carrying out the process. : de en
  • CA338153A - Detachable contact : en fr
  • BE399644A - : en
  • CH166263A - Process for the recording of sounds on a talking machine disc, apparatus for implementing this process and disc provided with a recording of sounds and obtained by this process. : en fr
  • CH166127A - Device for introducing garbage into a garbage chute. : en fr
  • SU33624A1 - The method of preparation of fire-resistant and waterproof paints for painting wooden surfaces : en ru
  • US1941268A - Boiler : en
  • CA338095A - Equipoising mechanism : en fr
  • SU33882A1 - Scroll chuck : en ru
  • US1940816A - Rubber composition and method of preserving rubber : en
  • CH166140A - Locking device for doors. : de en
  • CH166301A - Control mechanism for the continuous delivery of equal amounts of liquid, steam or gas. : de en
  • GB404310A - An improved appliance for protecting crops from the weather especially applicable for roofing hayricks : en
  • CA338108A - Radio remote control : en fr
  • CH166155A - Wall hook. : de en
  • CH166232A - Paper sacks, in particular for packaging food. : de en
  • AT136095B - Gas cooker. : de en
  • CA338155A - Grid structure : en fr
  • CA338164A - Ore treating apparatus : en fr
  • CH166105A - Motor mower with a front, pull-up cutting unit. : de en
  • AT136006B - Process for the production of moisture-resistant films. : de en
  • SU33782A1 - Transmission for speed change : en ru
  • US1941138A - Lubricating device : en
  • CH166107A - Scythe angel machine. : de en
  • SU33680A1 - Method for electrolytic co-precipitation of cadmium and iron in spongy form : en ru
  • CH166167A - Toothbrush. : de en
  • CA338146A - Safety ladder : en fr
  • US1940673A - Conversion of hydrocarbon oils : en
  • US1940979A - Mechanism for locking vehicles : en
  • US1941269A - Rotary sprinkler : en
  • FR757700A - Fastener for belt fasteners, or other similar applications : en fr
  • CH166342A - Arrangement for converting direct current into alternating current. : de en
  • SU33602A1 - Electric meter : en ru
  • SU33751A1 - Combine for harvesting silage crops : en ru
  • US1940703A - Method of and machine for producing gears : en
  • US1941105A - Interlocking shingle construction : en
  • US1941130A - Coal distillation and coke produc : en
  • CH166335A - Arrangement for monitoring the dielectric losses of a conductor structure by measuring the displacement current. : de en
  • SU33773A1 - Device for cooling internal combustion engines : en ru
  • USD91233S - Design for a memorandum device : en
  • US1941300A - Vehicle signaling device : en
  • AT136013B - Process for preventing and reducing the decomposition of carbonaceous gases in contact with refractory bricks containing iron oxide at higher temperatures. : de en
  • CH166369A - Advertising stand with signaling device. : de en
  • CH166313A - Method and device for utilizing the energy of the exhaust gases from internal combustion piston engines. : de en
  • CH166316A - Light metal pistons for internal combustion engines. : de en
  • US1940954A - Suction cleaner : en
  • SU33479A1 - Belt Coupler Hitch : en ru
  • US1941430A - Machine for making wire garment hangers : en
  • AT136031B - Ski with a base plate that can be removed from the board. : de en
  • SU33809A1 - Method for increasing the sensitivity of an emulsion of ferroprous paper, improving its tone and preserving : en ru
  • US1940858A - Sound recording and sound reproducing system : en
  • SU33577A1 - Phonical switch : en ru
  • SU33796A1 - Bolt head : en ru
  • US1941145A - Cooking utensil : en
  • FR757507A - Button-clasp : en fr
  • FR757668A - Improvements in processes and apparatus for the concentration of wines and fruit juices : en fr
  • SU33554A1 - Method of reinforcing metal bridges : en ru
  • SU33639A1 - Gloves for lubricating nipples : en ru
  • SU33812A1 - Sensitometer : en ru
  • US1940688A - Cleaning fluid : en
  • US1941236A - Correspondence book : en
  • PL19365B1 - Incendiary projectile, bomb, mine or the like. : en pl
  • US1940755A - Iron handle : en
  • US1941163A - Automatic gas valve : en
  • US1941273A - Vacuum switch : en
  • US1940942A - Contact clip : en
  • CA338251A - Filament, yarn and thread processing : en fr
  • CA338081A - Soya bean disembittering process : en fr
  • SU33749A1 - Head cutting apparatus for beet harvesting machines : en ru
  • AT135913B - Paper machine. : de en
  • US1940975A - Apparatus for producing mineral wool : en
  • AT135983B - Process for the production of buoyant soap. : de en
  • FR757705A - Improvements in photoelectric devices : en fr
  • GB403657A - Process for the production of aluminium sulphate from clay : en
  • GB404001A - Improvements in and relating to the manufacture of ropes and cords : en
  • CH166209A - Process for the production of virtually to completely silicon-free ferrophosphorus. : de en
  • US1940829A - Feed water regulator : en
  • US1941007A - Mining machine : en
  • CH166235A - Folder for households, craftsmen and tradespeople. : de en
  • SU33633A1 - The tip to the device type Schatz-Malinowski to determine the functional ability of the muscles of the pelvic floor and ligament apparatus of the uterus : en ru
  • US1941098A - Sealed wire roll and method of making same : en
  • US1941405A - Demountable rim wheel : en
  • US1940763A - Comb sterilizer : en
  • US1940825A - Pneumatic pressure control device for fleshing machines, etc. : en
  • SU33825A1 - Door lock : en ru
  • US1941055A - Insecticide : en
  • SU33814A1 - Table for the installation of sound films : en ru
  • PL19373B1 - Artillery equipment suitable especially for shooting at aircraft. : en pl
  • CH166191A - Shoe insert. : de en
  • FR757692A - Mechanical device for heaving-hiding and hoeing the vines adaptable to all tractor plows : en fr
  • PL19422B1 - Device for issuing chips. : en pl
  • FR757513A - Advertising device : en fr
  • PL19393B1 - Electric adapter. : en pl
  • US1940777A - Cooker and cooler combination collar and connecting coupling : en
  • US1940955A - Process and apparatus for refining mineral oils : en
  • CH166171A - Scraper tape for the brush roller of carded yarn cards. : de en
  • CH166181A - Flat knitting machine. : de en
  • CH166188A - Tie. : de en
  • CH166366A - Fire alarm device with mercury thermometers. : de en
  • CH166334A - Electric roller switch operated by means of push buttons. : de en
  • US1941237A - Hand telephone : en
  • US1941436A - Building structure : en
  • CH166122A - Support for the rapid laying of cables, especially lightning protection cables, on tiled roofs. : de en
  • US1941110A - Electron discharge device : en
  • SU33478A1 - Buksa for railway pavozok : en ru
  • US1941345A - Resistance-capacitance coupled amplifier : en
  • CA338243A - Continuous film processing machine : en fr
  • CH166201A - Universal machine for food processing for butchers. : de en
  • CH166204A - Feed cooker. : de en
  • PL19322B3 - The method of obtaining azo dyes containing chromium. : en pl
  • US1940727A - Resin and coating or plastic composition containing the same : en
  • US1941010A - Multiple-step partial oxidation method : en
  • US1940985A - Electrically operated hot air furnace : en
  • US1941032A - Glare shield : en
  • US1941288A - Electrical apparatus : en
  • PL19363B3 - Castle with two stops. : en pl
  • SU33707A1 - Single-platform levers for Falco-type weighted scales : en ru
  • AT135950B - Energy transmission system from three-phase to three-phase current with intermediate generation of direct current with the help of controlled rectifiers. : de en
  • US1941203A - Method of improving the mechanical workability of high chrome steels : en
  • US1941137A - Lubricating device : en
  • US1941232A - Telephone system : en
  • PL19370B1 - KL-5 c, o / oi.- Mining support. : en pl
  • SU33863A1 - Transmission from wind turbine to generator : en ru
  • CA338159A - Photo-acoustic cinematographic apparatus : en fr
  • CH166327A - Large electrical machine that can be dismantled for rail transport. : de en
  • CH166336A - Distance protection device for three-phase current. : de en
  • GB403579A - Improvements relating to the treads of road wheel tyres : en
  • SU33573A1 - Electrical current distributor : en ru
  • US1941385A - Acoustic system : en
  • SU33566A1 - Wand key when blocking for sending workers to drive trains with closed output semaphore and pushers with open output semaphore : en ru
  • CH166331A - Candlestick clamp. : de en
  • SU33790A1 - Adaptation to the drilling machine for boring conical holes : en ru
  • US1940935A - Method of sintering ores and apparatus therefor : en
  • FR757446A - Safety device for level crossings : en fr
  • CH166260A - Measuring pump for liquids of all kinds. : de en
  • CH166109A - Seat equipment on agricultural machines. : de en
  • CH166288A - Process and device for the production of coatings which contain stand oils. : de en
  • CA338225A - Metal stock reducing apparatus : en fr
  • SU33626A1 - The method of obtaining the product replacing the tar : en ru
  • US1940696A - Locomotive boiler structure : en
  • US1941424A - Interference eliminator : en
  • US1940859A - Perpetual calendar : en
  • US1940901A - Anchoring device for transportable hoisting and hauling appliances : en
  • US1941408A - Tufting button : en
  • AT136045B - Device for spraying the printed sheets with liquid paraffin or the like for sheet-fed printing machines. : de en
  • CH166178A - Textile fabric. : de en
  • CH166242A - Photographic lens shutter. : de en
  • CH166252A - Ski binding. : de en
  • SU33569A1 - Track pedal : en ru
  • US1940983A - Adjustable pipe joint clamp : en
  • US1941235A - Thread protector : en
  • AT136064B - Device for achieving the same rotational speeds of the dog clutch parts to be engaged in gear change transmissions with combined friction and dog clutches. : de en
  • CA338233A - Disc wheel : en fr
  • DE590364C - Device for separating specifically heavier components from gases and vapors : de en
  • BE400037A - Swimming and rescue apparatus : en fr
  • CA338134A - Internal combustion engine : en fr
  • SU33486A1 - Liquid sealing device for dry gas tanks : en ru
  • SU33877A1 - Cable for connecting to a complex antenna : en ru
  • US1940733A - Valuable-paper wallet : en
  • USD91251S - Design for a measuring spoon or : en
  • US1941049A - Friction closed container : en
  • SU33779A1 - A method of manufacturing a thermal insulating paper material : en ru
  • AT135982B - Drive for cross rolling mills. : de en
  • BE399729A - LUMINOUS FOUNTAINS IMPROVEMENTS : en fr
  • CA338137A - Separator : en fr
  • CA338156A - Door operating apparatus : en fr
  • CH166276A - Method and device for round bending of flat sheet metal edges on longitudinally open pipes. : de en
  • US1940868A - Compound tubular fabric : en
  • US1941208A - Safety razor : en
  • CH166183A - Method and device for the production of plush-like fabrics with the aid of the sewing machine. : de en
  • SU33605A1 - Potentiometer for temperature measurements : en ru
  • US1940793A - Metering fluid feeding device : en
  • US1941347A - Automatic fruit gripping and cutting mechanism : en
  • SU33788A1 - Method and device for temperature measurement during metal cutting : en ru
  • US1940963A - Condenser : en
  • US1941387A - Anode for fused bath electrolysis : en
  • SU33658A1 - Catching device for conveyor ropes : en ru
  • CA338231A - Dross processing : en fr
  • CH166199A - Universal machine for food processing for bakeries and pastry shops. : de en
  • SU33535A1 - The method of producing tetrabromethane : en ru
  • SU33565A1 - Device for single-track route key blocking of arrows and signals : en ru
  • US1940812A - Means for discharging material from centrifugal baskets : en
  • USD91231S - Design for a knitted fabric : en
  • AT135988B - Voltage-divided hot cathode tube, in particular hot cathode x-ray tube. : de en
  • CA338171A - Rubber article : en fr
  • BE399138A - : en
  • SU33850A1 - Device for holding in hands a thin slate plate when grinding its surface : en ru
  • SU33574A1 - Device for transferring fonts from one to another in the Bodo telegraph apparatus : en ru
  • AT135961B - Float valve for toilet cisterns or the like. : de en
  • US1940715A - Locomotive structure : en
  • US1940833A - Oscillation generator : en
  • US1940786A - Cross drum boiler : en
  • US1940967A - Stoker : en
  • US1941368A - Nickel alloys : en
  • SU33708A1 - Automatic scales for loose bodies : en ru
  • SU33870A1 - Fixture for continuous processing of liquids and fibrous materials in the form of skeins : en ru
  • US1940730A - Method of delustering fabric and product thereof : en
  • US1941249A - Combined inflating device and pressure gauge : en
  • SU33643A1 - Shishlny box : en ru
  • US1940679A - Article of furniture : en
  • US1940842A - Process for the crystallization of aluminum nitrate obtained in the treatment of leucite and similar silicates : en
  • US1941328A - Method and apparatus for drying freshly printed webs : en
  • AT135995B - Method and machine for the uninterrupted production of synthetic threads. : de en
  • PL19431B1 - A method of producing non-piercing and non-marking color copy coatings on substrates such as carbon paper, copy forms, etc. : en pl
  • US1941270A - X-ray apparatus : en
  • US1941310A - Thermostatic switch : en
  • AT135902B - Machine for the production of boxes, in particular the sleeves of matchboxes. : de en
  • AU1562233A - Voltage-steadying device withthe use of glow-lamps : en
  • CA338196A - Telephone system : en fr
  • SU33667A1 - Motorized archery saw with manual control : en ru
  • SU33851A1 - Stonecutter : en ru
  • SU33856A1 - Wall clock with weights and signaling device : en ru
  • US1941083A - Sewing machine : en
  • AT136044B - Machine for stringing tobacco leaves. : de en
  • CA338090A - Fracture reducing appliance : en fr
  • CA338179A - Variable transmission control : en fr
  • CA338223A - Metal working apparatus : en fr
  • FR757386A - Fuels in the form of pastes, jellies or the like and process for their preparation : en fr
  • FR757741A - : fr
  • SU33668A1 - Wood ring grinding machine : en ru
  • US1940671A - Therapeutic appliance : en
  • DE590357C - Process for the production of highly refractory bodies : de en
  • US1941398A - Coating composition : en
  • BE399928A - : en
  • CA338147A - Unitary manifolding assembly : en fr
  • CH166278A - Device for clamping the boom support of radial drilling machines on the base. : de en
  • CH166277A - Process for the production of the metal links of zippers. : de en
  • AT136021B - Process for the preparation of N-monoallyl or N. N'-diallyl derivatives of 5,5-disubstituted barbituric acids. : de en
  • AT136080B - Device for accelerating the filling and releasing of air brakes. : de en
  • CH166247A - Device for producing electrical vibrations which correspond to musical tones. : de en
  • PL19385B1 - Device for granulating salt. : en pl
  • AT136007B - Security paper. : de en
  • AT136017B - Printing ink. : de en
  • US1940890A - Drill bit : en
  • DK48192C - Stove. : da en
  • FR757421A - Sponge rubber mat and its manufacturing process : en fr
  • DE590276C - Loom with fixedly mounted shuttle boxes and movable drawer : de en
  • FR757414A - Skill game : en fr
  • CA338165A - Food product : en fr
  • CH166311A - Two-stroke injection internal combustion engine. : de en
  • CH166298A - Method for regulating the flow rate of control valves, in particular those on hot water radiators. : de en
  • PL19317B1 - Two-piece grate for chain grates. : en pl
  • SU33489A1 - Automatic device for feeding a drilling tool to the bottom of a well : en ru
  • US1940698A - Control head : en
  • US1940899A - Method of preparing horticultural dust : en
  • CH166395A - Electrical equipment in railway systems to secure railway operations, in particular to prevent train collisions. : de en
  • PL19401B1 - Method of saturating decaffeinated coffee beans with decaffeinated coffee extract. : en pl
  • SU33528A1 - A device for mechanical feed to the pick-up table to be interlaced into a book of sheets : en ru
  • CH166270A - Winding and time-setting mechanism for watch movements. : en fr
  • GB403446A - Improvements in or relating to power plant for ship propulsion : en
  • DE590344C - Device for conveying muddy material : de en
  • DE590246C - Telecommunication transmission device : de en
  • DE590361C - Winding device for fish hook : de en
  • DE589694C - Circuit arrangement for signaling series of current impulses in telecommunications systems : de en
  • USD91249S - Design for lace : en
  • GB403557A - Improvements in or relating to pneumatic tyres and the suspension of vehicles thereby : en
  • FR757474A - Method and servo-retarder device for a freewheeling motor vehicle, and related device for controlling the speed of such a vehicle : en fr
  • DK48185C - Armor for Doors or Walls for Safes, Boxes and the like. : da en
  • FR757373A - Connection device for flush-mounted boxes : en fr
  • FR757532A - Improvements made to friction linings : en fr
  • FR757591A - Process intended to modify the radioactive balance of mineral waters : en fr
  • US1940923A - Strainer : en
  • US1941072A - Candle extinguisher : en
  • CH166353A - Protection device for balls and other pressure-sensitive areas of the foot. : de en
  • DE590189C - Device for electrical spot welding : de en
  • GB403672A - Improvements in the manufacture of leather dyes : en
  • FR757503A - Process for purifying liquids having suspended matter : en fr
  • GB403605A - Improvements relating to steam traps : en
  • DE590375C - Process for the preparation of o-oxyazo dyes : de en
  • DK48202C - Procedure for rendering paper and paper products impervious to water and the like. : da en
  • FR757663A - Advanced red tube device : en fr
  • GB403487A - Improvements in starting rheostats for electric motors : en
  • FR757451A - Binder for photographic emulsions : en fr
  • FR757646A - Unfermented fruit juice sterilization apparatus : en fr
  • FR757778A - : fr
  • FR757745A - Process for removing weak acids and ammonia from gases : en fr
  • GB403682A - Improvements in or relating to perambulators and like vehicles : en
  • AT136032B - Turntable-like reversible feeding trough for pig or the like. Cattle sheds. : de en
  • CA338130A - Wrapper : en fr
  • CH166376A - Packaging system for doughy masses, especially edible fat. : de en
  • GB403462A - Improvements relating to arrangements for mounting electric switches and the like inwall boxes and the like : en
  • GB403595A - Process and apparatus for producing water gas in chamber and retort ovens : en
  • FR757647A - Mechanism for maneuvering a sailboat by one man : en fr
  • FR757529A - Rectifying mirror for all applications : en fr
  • IE13024L - Refrigerators : en
  • FR757384A - Process for coating the walls of premises : en fr
  • GB403953A - Improvements in jacks or lifting devices for motor vehicles : en
  • FR757436A - Improvements to the analyzer mechanism for statistical machines controlled by recording cards : en fr
  • CA338184A - Slidable seat : en fr
  • CH166315A - Injection pump for internal combustion engines with strongly changing speed. : de en
  • DK48187C - Electric Bicycle Light. : da en
  • GB403482A - Improvements in the attachment of spoke-enclosing discs to wheels : en
  • GB403499A - Improvements relating to conveyors : en
  • DE590312C - Process for the preparation of compounds of chloral and its homologues with quinine : de en
  • US1941051A - Dispensing container : en
  • DK48209C - Cinematographic Camera or Projection Camera with a Swivel Mounted Claw that Causes the Performance of the Film. : da en
  • US1941171A - Hosiery : en
  • CH166121A - Sliding window. : de en
  • GB403542A - An improved water heater for supply systems : en
  • GB403607A - Improvements in and relating to hydraulic motors : en
  • GB403525A - Portable apparatus for discharging or spraying liquids from drums or barrels : en
  • GB403488A - Improvements in lubricators : en
  • US1941167A - Brake : en
  • US1941192A - Machine for shaping cigar fillers : en
  • FR757633A - Perfect blowjob : en fr
  • FR757643A - Ultra-shortwave dual receiver lamp : en fr
  • FR757461A - Method and apparatus for the separation of solids by flotation : en fr
  • GB403673A - Improvements in or relating to oscillating joints : en
  • US1940751A - Dispensing receptacle : en
  • US1941365A - Art of heat transfer : en
  • US1941149A - Hydraulic shock absorber and the like : en
  • US1941188A - Manufacture of plaster of paris : en
  • FR757380A - Lining for motor vehicle brakes and shoe therefor : en fr
  • SU28662A1 - Machine for simultaneous cutting of roots of plants and lining sprouts : en ru
  • US1941279A - Spark plug : en
  • AT135930B - Swivel frame for hydraulic gears. : de en
  • CH166404A - Electric musical instrument capable of emitting the sounds of the organ. : en fr
  • CH166154A - Pulling device for curtains, drapes and the like. : de en
  • US1941267A - Treatment of hydrocarbon oil : en
  • US1941312A - N-substituted derivatives of the pyridone series : en
  • AT136026B - Two-sided pig or similar dry feed stand. : de en
  • CH166142A - Device for locking shutters and similar closure parts in the open position. : de en
  • SU33492A1 - Instrument for measuring borehole curvature : en ru
  • US1941103A - Rail anchor : en
  • US1940926A - Motor control system : en
  • SU33872A1 - Receiver for electrical telescopes : en ru
  • US1940771A - Burial urn : en
  • PL19343B1 - Method of tanning animal skins. : en pl
  • US1941143A - Harvester : en
  • US1941264A - Operating handle for articulated bedsprings : en
  • FR757732A - Safety device preventing spontaneous separation of couplings, especially steam-heated couplings for railway vehicles : en fr
  • DE589785C - Gas generator with cooling jacket : de en
  • GB403662A - Improvements relating to traffic controlling apparatus for railways and the like : en
  • SU33828A1 - Drawing device : en ru
  • US1941159A - Car truck : en
  • CH166216A - Process for the preparation of 2: 4-dimethylbenzaldehyde. : de en
  • US1940761A - Fastening-pulling machine : en
  • SU33521A1 - Sliding bobbin : en ru
  • BE399711A - : en
  • US1940756A - Bearing : en
  • US1940820A - Means and method of displaying rugs : en
  • US1941395A - Jack attachment : en
  • GB403700A - Improvements in aluminium alloys and the production thereof : en
  • PL19377B1 - Rotary machine for coloring and printing metal foil. : en pl
  • US1940873A - Trolley wire splicer : en
  • US1941404A - Tile setting machine : en
  • GB403677A - Improvements in telegraphic and similar repeating systems employing vacuum tube amplifiers : en
  • US1941046A - Method of forming collars for tearing strip containers : en
  • US1941216A - Outside covering for buildings : en
  • US1940877A - Extension-shelving for display cabinets : en
  • GB403591A - Apparatus for operating, locking and controlling switch blades for railways, tramways and the like : en
  • FR757714A - Improvements in stereoscopic photography : en fr
  • SU33716A1 - Apparatus for determining the amount, intensity and time of precipitation : en ru
  • FR757651A - Process for white annealing metal objects : en fr
  • GB403692A - Improvements in beer or counter taps : en
  • FR757635A - Heating appliance : en fr
  • SU33515A1 - Automatic clamping for drawing machines : en ru
  • FR757453A - Manufacturing process for new indophenols : en fr
  • AT135989B - Process for the production of ammonia by the contact process. : de en
  • AT136093B - Metal capsule seal made of two halves flanged into each other. : de en
  • DE590346C - Mouldable, diastatic malt extract and swelling starch containing baking aid : de en
  • CH166176A - Device for automatic adjustment of the tension of a thread, in particular applicable to winders and bobbins. : en fr
  • CH166219A - Process for the preparation of a 4-amino-diphenylamine derivative. : de en
  • US1940818A - Rubber composition and method of preserving rubber : en
  • US1940973A - Steam generating boiler : en
  • GB403458A - Improvements in and relating to whole wave electric rectifier valves : en
  • DE590180C - Procedure for carrying out single-frequency broadcasting : de en
  • FR757631A - Improvements made to electric discharge tubes : en fr
  • FR757387A - Advanced cutting device for mowers or similar machines : en fr
  • GB403553A - Improvements in elastic wheels for railway vehicles : en
  • GB403694A - Improvements in or relating to cable and the like telegraph systems : en
  • GB403982A - Improvements in the manufacture of benzyl cellulose : en
  • FR757617A - Process for the recovery of compression work during the production of nitrogen acid under pressure : en fr
  • US1940809A - Laundry unit : en
  • US1940831A - Traffic signal : en
  • FR757625A - Improvements to aluminum-based alloys and their manufacturing process : en fr
  • GB403537A - Improvements in the manufacture of safety razor blades : en
  • FR757460A - Improvements to the regeneration of burnt out electric lamp bulbs : en fr
  • FR757587A - Improvements to lubrication devices : en fr
  • FR757600A - Perfect layout for maps, tables or more : en fr
  • GB403957A - Process for treating vegetable and animal fibres and products resulting therefrom : en
  • SU33693A1 - Device for lining points by coordinates : en ru
  • DE590165C - Process for the production of emulsions : de en
  • FR757531A - Printing telegraph, particularly applicable to ultrafast telegraphy : en fr
  • FR757560A - Installation and apparatus for electric generators : en fr
  • DE590182C - Liquid-cooled switch for large currents with gaseous dielectric : de en
  • FR757439A - Improvements to vehicle wheels : en fr
  • FR757372A - Electric rocker or push switch : en fr
  • FR757632A - Device intended for the ventilation of a room to be protected against gas : en fr
  • GB403461A - Improved method for attaining a difference in pressure between two chambers filled with gas, and an improved gas-pump for use in connection therewith : en
  • US1940687A - Electromagnet : en
  • US1940658A - Collar can and method of making same : en
  • US1940830A - Form for making aircraft fuselages : en
  • US1940943A - Sliding and folding partition caster : en
  • CA338154A - Heating apparatus : en fr
  • CA338168A - Twisting machine : en fr
  • CH166194A - Shoe. : de en
  • AT135932B - Sharpening device for razor blades. : de en
  • FR757518A - Ferrous alloy, forgeable and castable, corrosion resistant : en fr
  • CH166415A - Process for the preparation of an N-alkylated derivative of barbituric acid. : de en
  • GB403550A - Marine vessels : en
  • CA338186A - Elastic article : en fr
  • CH166112A - Agricultural rake with a device for cutting off litter, brushwood and heather. : de en
  • US1941366A - Bearing : en
  • US1941021A - Heat regulator for ovens and the like : en
  • SU33733A1 - Arrangement for image organization charts : en ru
  • US1940753A - Method of heating settling liquids : en
  • PL19338B1 - A method of obtaining protein-rich foods. : en pl
  • SU33481A1 - Trough for gold and other metals : en ru
  • CA338106A - Catalyst : en fr
  • CH166234A - Holders for magazines, newspapers, etc. : de en
  • US1940693A - Slip rotation for rock drills : en
  • CA338089A - Elevator signalling mechanism : en fr
  • CH166346A - Closing flasks on containers, in particular waterless gas containers. : de en
  • SU33488A1 - Yass for rotary drilling : en ru
  • US1940697A - Locomotive boiler structure : en
  • US1940748A - Yarn dyeing apparatus : en
  • SU33493A1 - Method of hardfacing of hard alloys Tina Vocar or Stellite on the working part of the tool for rotary drilling : en ru
  • CA338213A - Oil cracking method : en fr
  • CH166264A - Apparatus for advancing an image sound film. : de en
  • DE590144C - Quick change chucks for machine tools, especially drilling machines : de en
  • DE590324C - Interchangeable formwork : de en
  • DE590159C - Process for the preparation of hormones from urine of human or animal origin : de en
  • FR757484A - Manufacturing process for hydraulic and refractory binders and resulting agglomerated products : en fr
  • GB403445A - Improvements in and relating to means for heating the feed water of boilers : en
  • US1940944A - Process for biologically transforming carbon monoxide into methane : en
  • PL19350B1 - Packaging, especially for fragile items. : en pl
  • SU33491A1 - Side grouser for sampling from borehole walls : en ru
  • SU33692A1 - The device for lining plans for the coordinates : en ru
  • US1940814A - Metal coating method : en
  • US1941125A - Detergent dispenser for washing machines : en
  • CA338229A - Mixing apparatus : en fr
  • SU33494A1 - Casing unscrewing device from a specific point in a well bore : en ru
  • US1940959A - Advertising display device : en
  • AT135971B - Pipe welding machine. : de en
  • SU33846A1 - The method of preparation of cement clinker lining bricks for rotary kilns : en ru
  • CH166344A - Electron tube. : de en
  • CA338160A - Photo-sensitive apparatus : en fr
  • US1940837A - Stock food and process of making same : en
  • US1941238A - Cloth reel : en
  • US1941241A - Sheet feed rotary printing press : en
  • US1940928A - Electrical apparatus : en
  • US1940998A - Bread slicing machine : en
  • US1941074A - Electric discharge device : en
  • US1941284A - Charge forming device : en
  • US1941294A - Pressure cooker clamp : en
  • SU33763A1 - Irrigation device for greenhouses, etc. : en ru
  • PL19402B1 - The method of processing langbeinite. : en pl
  • SU33548A1 - Quench cooling device : en ru
  • US1941003A - Photographic accessory : en
  • SU33610A1 - Moving contact for electrical wire resistors : en ru
  • SU33614A1 - Instrument for simultaneous use of ionized air and ultraviolet rays in the open cavities of the body. : en ru
  • US1941104A - Cotton opener or picker : en
  • AT136069B - Device for protection against unforeseen, sudden penetration of water into spaces of various types, in particular ship spaces. : de en
  • CH166196A - Side lacing shoe. : de en
  • PL19325B1 - Method of oxidation of carbon monoxide by steam. : en pl
  • SU33581A1 - The method of heating in an electric field a pair of crystallized bodies : en ru
  • SU33703A1 - Device for accurate power transmission in a given direction : en ru
  • US1941172A - Method for manufacturing calcium cyanamide : en
  • US1941228A - Feed mechanism for automatic machine tools : en
  • US1941433A - Electrical system for automobiles : en
  • US1941356A - Safety mechanism : en
  • CH166405A - Process for the production of artificial structures. : de en
  • SU33777A1 - Straight hitch for drive belts : en ru
  • US1940705A - Floor construction : en
  • US1940724A - Parking device : en
  • AT135973B - Machine tool, in particular milling machine, with counter holder. : de en
  • US1940776A - Car roof structure : en
  • US1941298A - Fire extinguisher : en
  • CA338194A - Pipe joint : en fr
  • DE590204C - Vessel lid with bayonet lock : de en
  • CA338169A - Racket stringing apparatus : en fr
  • SU33556A1 - Automatic coupler for railway rolling stock : en ru
  • SU33601A1 - Electric meter : en ru
  • IE13106L - Dispensing liquefied gases : en
  • SU33536A1 - Method for the purification of morphine : en ru
  • GB403447A - Improvements relating to rotary kilns : en
  • GB403507A - Engine starter mechanism : en
  • CA338119A - Guy wire protector : en fr
  • FR757362A - Marker for games of billiards, cards and the like : en fr
  • US1940884A - Universal joint : en
  • US1941276A - Manufacture of ether derivatives of carbohydrates like cellulose : en
  • US1941299A - Concrete form : en
  • AT136028B - Device for smoking compressed tobacco smoke and without burning tobacco. : de en
  • CH166279A - Countersink cutter with replaceable guide pin. : de en
  • GB403999A - Improvements in combined air compressor and engine units : en
  • CH166185A - Electro-magnetic device for moving selvedge gripping members, applicable in particular to machines for rowing, widening, drying or guiding fabrics. : en fr
  • CH166254A - Ski binding with adjustable jaws. : de en
  • GB403509A - Improvements in means for removably supporting sealing boxes or other connecting units for electric cables : en
  • US1940866A - Sample taking apparatus : en
  • US1941197A - Fuel feeding mechanism for mechanical stokers : en
  • US1941390A - Gas and liquid separator : en
  • CH166351A - Plotter device for recording devices. : en fr
  • DE590196C - Injection carburetor : de en
  • CH166224A - Dye mixture. : de en
  • US1940810A - Hoisting mechanism : en
  • US1940871A - Shock absorber : en
  • US1941257A - Method of making uniform corrosion anodes : en
  • PL19382B1 - Soap preparation. : en pl
  • CA338116A - Diesel engine : en fr
  • CA338178A - Hide and skin preparation : en fr
  • CA338121A - Projectile : en fr
  • CH166272A - Water-resistant case winding watch. : en fr
  • CH166128A - Device for collecting snow. : en fr
  • FR757734A - Improvements to mine explosive devices : en fr
  • US1941435A - Paving : en
  • DE590318C - Voltage regulation of separately excited direct current generators : de en
  • GB403566A - Method of and means for producing blanks for roll threaded bolts and the like : en
  • GB403604A - Improvements in and relating to electric discharge devices : en
  • CH166403A - Process for the production of moldings. : de en
  • USD91255S - Design for a platform scale : en
  • GB403484A - Improvements in apparatus for the teaching of mechanics : en
  • SU33737A1 - Ripper-ripper : en ru
  • CA338244A - Plastic forming apparatus : en fr
  • FR757649A - Method for closing gas containers : en fr
  • FR757577A - Improvement in phonographs : en fr
  • CA338197A - Silver alloy : en fr
  • CH166217A - Process for the preparation of an arylisothiazolone. : de en
  • CH166332A - Contact clamp on installation equipment. : de en
  • CH166129A - Furnace with built-in hot water generator. : de en
  • CH166340A - Magnet and method of making the same. : de en
  • CA338117A - Travelling case : en fr
  • CA338189A - Voltage regulation : en fr
  • FR757536A - Method and devices for the manufacture of hollow glass objects : en fr
  • FR757661A - Detachable rim for vehicles : en fr
  • FR757618A - Blow cleaning device for threshers and other applications : en fr
  • FR757626A - Driving mechanism for sewing machines : en fr
  • GB403944A - Improvements in the manufacture or treatment of pigments and of textile materials, films and the like containing such pigments : en
  • SU33728A1 - A device for demonstrating the resistance of a connected system of internal forces to external pulses and forces : en ru
  • US1940991A - Radio amplifying circuit : en
  • US1941325A - Valve control : en
  • PL19414B1 - Device indicating the heating of the shell. : en pl
  • US1940919A - Welding tool : en
  • FR757407A - Improvements relating to abrasive sheet products such as glass paper or other similar products and manufacturing processes for these products : en fr
  • FR757432A - A method of making compositions and articles containing at least two plastics substantially insoluble in each other : en fr
  • FR757748A - : fr
  • SU33731A1 - Device for building moving charts : en ru
  • FR757578A - Carburetor for internal combustion engines : en fr
  • GB403516A - Improvements relating to sheet metal drawing presses : en
  • FR757466A - : fr
  • GB403968A - Improvements in or relating to jacquard mechanism for looms : en
  • US1941377A - Time selector mechanism : en
  • US1941147A - Classifying apparatus : en
  • FR757365A - Improvements to envelope printing machines : en fr
  • FR757479A - Continuous and reversible insufflation device for pneumothorax : en fr
  • GB403528A - Bust uplift : en
  • FR757517A - Improved container and cover for said container : en fr
  • GB403465A - Improvements in curling tongs : en
  • FR757396A - Automatic device for cleaning farm tractor wheel studs : en fr
  • FR757400A - Capacitor refinements : en fr
  • FR757592A - Improvements in the manufacture of molding products : en fr
  • FR757604A - Process for manufacturing finely divided metal compounds : en fr
  • FR757737A - Surface hardening process for golf balls : en fr
  • GB403608A - An improved device for use by smokers and substances for use with same : en
  • FR757576A - System for the recovery and accumulation of excess force from water distribution pipes : en fr
  • FR757607A - Two-stroke engine : en fr
  • FR757619A - square for sorting paper : en fr
  • SU33642A1 - Method of making molds for mass castings : en ru
  • AT136039B - Grist mill. : de en
  • CH166150A - Universal machine for food processing for kitchens in hotels, restaurants and guest houses. : de en
  • AT135996B - Process for the aftertreatment of rayon. : de en
  • CH166189A - Process for the production of zip fasteners and a zip fastener produced according to this method. : de en
  • US1940902A - Direction finding : en
  • BE399791A - Improvements in processes for obtaining metallic magnesium by electrothermal reduction of magnesium compounds : en fr
  • US1941132A - Lubricating device : en
  • CH166305A - Hand pump with tubular boot. : de en
  • CA338087A - Air brake device : en fr
  • SU33704A1 - Plow Recording Device : en ru
  • SU33741A1 - Sowing for square sowing : en ru
  • US1941253A - Relay testing apparatus : en
  • US1941403A - Method of making tile : en
  • SU33593A1 - Electrical cable : en ru
  • US1940718A - Electrical switch and control circuit therefor : en
  • US1940796A - Storm window : en
  • GB403617A - Improvements in or relating to high powered burners : en
  • SU33516A1 - Method and machine for driving pipe ends before drawing : en ru
  • US1941337A - Jar : en
  • CA338084A - Reflector : en fr
  • DE589924C - Dosing device for dental purposes : de en
  • GB403456A - Improvements in or relating to motor vehicles : en
  • GB403472A - Improvements in or relating to brake apparatus for railway and other vehicles : en
  • US1940940A - Motor driven pumping apparatus : en
  • USD91247S - Design fob a fruit jar : en
  • US1940792A - Pressure metering device : en
  • FR757622A - Automatic counter hole billiard table : en fr
  • CH166295A - Piston, in particular for explosion engines. : en fr
  • BE399510A - Products for the destruction of weeds and soil pests : en fr
  • CH166123A - Sealing device on doors and similar closing organs. : de en
  • CH166145A - Firing system for liquid gaseous or powdered fuels. : de en
  • AT136040B - Feeding of tobacco leaf veins or similar materials to flattening or other processing machines. : de en
  • CH166323A - Transportable electric accumulator. : en fr
  • AT135977B - Taring device for scales with load and weight pan. : de en
  • US1941335A - Submergible apparatus : en
  • USD91248S - Design for an ash tray : en
  • SU33622A1 - Self-continuous, continuously acting electrode : en ru
  • GB403444A - Improvements in or relating to electrical musical instruments : en
  • GB403655A - Improvements in or relating to spectacle frames : en
  • PL19410B1 - Two-way automatic telephone line. : en pl
  • PL19423B1 - -Kk-49 h, 31/01, Brazing agent for aluminum or its alloys. : en pl
  • PL19411B1 - A method of producing reinforced metal wires with one or more wire layers around the circumference, wound around the wire along the helix. The patent depends on the patent No. 15048. : en pl
  • US1941052A - Dispensing container : en
  • US1941119A - Lock cap : en
  • US1941184A - Torch holding and adjusting mechanism : en
  • US1941353A - Timing device for coin operated radios : en
  • US1941095A - Flexible connection : en
  • PL19375B1 - Device to prevent air intake in the pump air tube. : en pl
  • US1940721A - Bottle cap sealing device : en
  • SU33862A1 - Device for regulating water turbines Kaplan : en ru
  • CA338195A - Sanctuary candle lamp : en fr
  • CA338207A - Olefine segregation : en fr
  • CH166175A - Method for producing cross-wound bobbins. : de en
  • CH166393A - Device for influencing safety devices in railway systems. : de en
  • US1940683A - Disazo dye and method for its preparation : en
  • FR757487A - Extinguishing foams improvements : en fr
  • PL19417B1 - A device for sorting minerals and agricultural crops. : en pl
  • SU33472A1 - Apparatus for controlling pneumatic locking valves of an automotive differential : en ru
  • CH166146A - Electric crematorium oven. : en fr
  • DE590194C - Device for the production of cork stones from crushed cork : de en
  • AT136076B - Tires for wheels. : de en
  • AT136097B - Electric light bulbs, in particular for headlights. : de en
  • DE590280C - Device for keeping voltage constant by means of gas discharge paths : de en
  • US1940744A - Stair tread device : en
  • AT135959B - Photocell with external photoelectric effect. : de en
  • AT136075B - Pneumatic cord tires with side reinforcements. : de en
  • CH166226A - Process for the production of a new indigoid dye. : de en
  • CH166324A - Electric alternating current synchronous machine. : de en
  • AT136048B - Process for growing sugar beet and other root crops. : de en
  • CA338214A - Fuel distributor : en fr
  • CH166273A - Detent escapement for electric timepiece. : en fr
  • US1940997A - Aerial connecter for radio apparatus : en
  • US1941213A - Tufting mechanism : en
  • CA338083A - Gold saving machine : en fr
  • CH166214A - Process for the preparation of methylamino-6-methyl-2-hepten-2. : de en
  • CA338140A - Combustion engine : en fr
  • GB403671A - Improvements in or relating to cathode ray and like electric discharge devices : en
  • US1941209A - Roller bearing separator : en
  • CH166238A - Multi-motor drive of rotary printing presses. : de en
  • FR757427A - Kitchen utensil with interchangeable rotary cutting and pressing tools arranged in a cylindrical casing : en fr
  • SU33611A1 - Dielectric capacitor with a large dielectric constant : en ru
  • US1940917A - Multicore cable with cradle : en
  • BE399640A - Development of static capacitors : en fr
  • CA338122A - Engine fuel production : en fr
  • CA338187A - Gyroscope flying machine with oscillating wings : en fr
  • SU33655A1 - Method of drawing glass tubes or drafts : en ru
  • US1941111A - Production of metal carbonyls : en
  • SU33888A1 - Device for supplying fuel to internal combustion engines with a periodic supply of air under pressure exceeding atmospheric : en ru
  • SU33603A1 - Electric meter : en ru
  • US1941026A - Combined harvester-thresher : en
  • US1941186A - Ventilator for cars : en
  • US1940720A - Water softener : en
  • US1941244A - Feed mixer : en
  • US1940869A - Amplifying system : en
  • US1941150A - Lock : en
  • US1941334A - Charge forming device : en
  • CH166271A - Winding mechanism and pulling the time, direct effect. : en fr
  • CH166396A - Process for enabling valve-controlled AC motors to work back on the mains supplying them. : de en
  • DE590384C - Mattress, pillow or the like made of a flexible hollow body : de en
  • FR757616A - Improvements made to platelet buchardes : en fr
  • DE547713C - Ashtray : de en
  • GB403497A - Apparatus for distant and near operation of railway switch points : en
  • GB403704A - Hair-waving apparatus : en
  • SU33612A1 - Mercury Rectifier Training Device : en ru
  • SU33616A1 - The method of processing electrodes : en ru
  • SU33618A1 - Electric resistance furnace for melting solid solders and immersion brazing : en ru
  • GB403489A - Improvements relating to electric discharge tubes : en
  • CH166223A - Process for the production of a new anthraquinone derivative. : de en
  • SU33687A1 - Stand for sliding gauge when measuring in needle needles : en ru
  • US1940741A - Apparatus for cooling liquids : en
  • US1940875A - Hand reading glass : en
  • US1941431A - Method of treating trees and the product thereof : en
  • GB404002A - Improvements relating to meters : en
  • AT136035B - Garden plow. : de en
  • PL19324B1 - Cigarette case. : en pl
  • GB403519A - Means for measuring the growth or production of hair : en
  • CA338249A - Scissors : en fr
  • CH166186A - Preparation for printing animal fibers with vat dyes. : de en
  • US1940674A - Preparation of organic acids : en
  • GB403531A - Improvements relating to cases for lipstick, pencils for the eyes and like articles : en
  • US1941087A - Yarn humidifier : en
  • US1941123A - Drag conveyer discharge deflector : en
  • SU33543A1 - Machine for printing numbers and tick marks on oval steel tapes : en ru
  • SU33826A1 - Control lock : en ru
  • US1940700A - Internal combustion engine : en
  • US1941414A - Method of improving cream : en
  • AT135975B - Shoe scraper. : de en
  • GB403695A - An improved universal burner cutting and welding machine : en
  • DE589967C - Process for the production of rhodan salts : de en
  • DE590192C - Rod-shaped auxiliary device for attaching and drawing together catgut threads prepared according to patent 566173 : de en
  • DE590279C - Method for moistening printing paper : de en
  • GB403601A - Improvements relating to induction coils : en
  • GB403470A - Improvements relating to engine cylinder liners : en
  • US1941139A - Lubricating device : en
  • US1941329A - Pasteurizer : en
  • FR757523A - Water backflow preventer : en fr
  • GB403455A - Improvements in and relating to apparatus for supplying current impulses from mains alternating current : en
  • FR757563A - Hand held fire extinguisher : en fr
  • GB403570A - Improvements in or relating to a device for grinding and sharpening razor blades : en
  • FR757438A - Improvements to protective devices for electrical machines : en fr
  • FR757481A - Method and devices for light projection in relief of photographic and cinematographic images : en fr
  • GB403514A - Improvements in and relating to electric switches with arcextinction by vapour-blast : en
  • FR757750A - Cold pressure spinning process : en fr
  • GB403600A - Improvements in and relating to liquid-break electric switches : en
  • GB403534A - Improvements in or relating to machines for drilling holes in doors and inserting retaining pins in such holes and within the joining dowels : en
  • GB403558A - Improvements in machines for straightening metal and like bars : en
  • DE590268C - Door training, especially for motor vehicles : de en
  • FR757733A - Further training for researchers for cameras : en fr
  • US1940906A - Moistening of textile fibers and yarns : en
  • US1941108A - Production of vinyl ethers : en
  • US1941036A - Device for the magneto-electric generation of alternating currents for sound production : en
  • BE399886A - Coffin : en fr
  • FR757521A - Automatic and continuous sounding device at sea by hammer blows echoes : en fr
  • DE590138C - Filters, especially for fuels for internal combustion engines : de en
  • AT135920B - Hydraulically operated control device for speed change gears. : de en
  • CH166143A - Automatic apparatus for feeding molten glass to glassware making machines. : en fr
  • DE590185C - Damper winding for electrical machines, especially single armature converters : de en
  • SU33522A1 - A device for recording the lengths of pieces of cloth measured on measuring machines : en ru
  • FR757442A - Rubber vulcanization process : en fr
  • US1941397A - Terminal for refrigerating apparatus : en
  • US1941402A - Lubricating device, particularly adapted to be used in connection with rotary distributors for internal combustion engines : en
  • FR757727A - Machine for forming stone and tar mixtures or other similar applications : en fr
  • GB403486A - Improvements in and relating to paper or other bags, envelopes or the like : en
  • CH166246A - Electrically operated pencil sharpener. : de en
  • CH166292A - Pillow block. : de en
  • PL19368B1 - A device for driving low-pressure internal combustion engines with liquid high-boiling fuel. : en pl
  • US1940725A - Process for treating carbonaceous material : en
  • SU33533A1 - A device for the preparation of mixtures of two liquids : en ru
  • SU33795A1 - Klupp : en ru
  • US1941058A - Spirit varnish : en
  • PL19352B1 - Air preheater for furnaces of room stoves, boilers and similar devices. : en pl
  • US1940863A - Electrical apparatus : en
  • US1941358A - Connecting truss for drain pipes : en
  • US1940680A - Refrigerating apparatus : en
  • US1941064A - Fish tongs : en
  • US1941121A - Ribbon cable : en
  • CH166180A - Circular shuttle arrangement for multi-needle embroidery machines, with grippers that can be moved independently of the circular shuttle. : de en
  • BE399728A - : en fr
  • US1940817A - Rubber composition and method of preserving rubber : en
  • FR757434A - Electrical conductors and manufacturing process : en fr
  • US1940822A - Hydraulic braking system : en
  • US1940823A - Hydraulic jack : en
  • US1941226A - Dispensing receptacle : en
  • AT136011B - Process for the production of beads or similar moldings from waxy, chlorinated hydrocarbons. : de en
  • DE590273C - Basque bolt lock : de en
  • US1940888A - Concealed fastener for wall brackets : en
  • US1941250A - Fair lead : en
  • US1941333A - Table or chair : en
  • CH166355A - Process for obtaining female sex hormone. : de en
  • SU33742A1 - Potato planter : en ru
  • SU33859A1 - Shut-off device for sewer manhole covers : en ru
  • US1940886A - Universal joint : en
  • US1941427A - Method of making sulphur trioxide : en
  • AT136018B - Terry towels for bathing purposes. : de en
  • AT136051B - Seamless safety connection for railroad tracks. : de en
  • US1940826A - Packing machine : en
  • AT136071B - Facility for turning automobiles on site. : de en
  • US1940722A - Vending device : en
  • FR757671A - Device and method for measuring mechanical forces or moments : en fr
  • AT136023B - Coated soap. : de en
  • US1940758A - Process for burning phosphorus : en
  • US1940766A - Measuring machine : en
  • SU33666A1 - Circular saw machine : en ru
  • US1941327A - Drinking cup : en
  • FR757709A - Waterproof faucet : en fr
  • DE589781C - Single-floor turbine : de en
  • DE590166C - Method and device for splitting hydrocarbon oils : de en
  • US1940734A - Refrigerating system : en
  • GB403939A - An improvement in or relating to the flat pressing of textile fabrics : en
  • FR757664A - Suction cleaning device for threshers and other applications : en fr
  • US1941079A - Lighting apparatus employing rectilinear light sources : en
  • US1941205A - Water valve : en
  • PL19379B1 - Fluid suction device. : en pl
  • SU33524A1 - The method of obtaining waterproof silk : en ru
  • US1941112A - Fire extinguisher hanger : en
  • SU33583A1 - Device for radiotelephone transmission : en ru
  • SU33831A1 - Device for automatic signaling on a specific schedule : en ru
  • US1940704A - Electric cable clamping plate : en
  • CH166304A - Device for the automatic opening and closing of the cabin and shaft doors of passenger elevators with a guide. : de en
  • DE590193C - Device for introducing drugs into body cavities : de en
  • SU33849A1 - The device for burning cement raw mix in the sprayed state : en ru
  • US1941034A - Container for spools : en
  • US1941094A - Method of shaping hollow bodies : en
  • US1941376A - Electrolytic apparatus : en
  • CH166380A - Trailer with metal beams. : en fr
  • FR757404A - Method and device for the manufacture of laminated glass plates, optionally furnished with relief designs : en fr
  • FR757485A - Manufacturing process of plastics, rubber and derivatives, as well as the resulting products : en fr
  • US1941173A - Process and device for cooling the animal body : en
  • AT135956B - Device for shifting the ignition point of a grid-controlled rectifier. : de en
  • CH166168A - Tin can with sheet metal membrane closure and opener for the same. : de en
  • DK48198C - Procedure for Operating Discontinuously Operating Chamber Furnaces for the Production of Gas and Coke. : da en
  • FR757358A - Improvement in the filters of steam or water pressure coffee machines : en fr
  • US1940773A - Whole grain corn and method of canning the same : en
  • FR757361A - Preparation of hydrochloric acid : en fr
  • FR757547A - Luminous device by transparency for motor vehicle : en fr
  • GB403562A - Improvements in closure for jars and like containers : en
  • GB403955A - Improvements in keys for turning stop cocks, bib cocks and the like, when situated in inaccesible places : en
  • PL19321B1 - Method of obtaining azo dyes containing chromium. : en pl
  • US1940876A - Regulating system : en
  • US1941124A - Cotton picking and cleaning machine : en
  • CA338144A - Brake mechanism : en fr
  • US1941028A - Oil and gas separator : en
  • FR757570A - Call device for watertight stations : en fr
  • FR757739A - Game : en fr
  • GB403568A - Improvements in or relating to wearing apparel : en
  • GB403508A - Improvements in or relating to telephone systems : en
  • GB403530A - Appliances for playing a board game : en
  • GB403992A - Improvements in remote control electro-magnetic switches : en
  • FR757610A - Improvements in processes for the manufacture of mixed fertilizers containing nitrogen in the form of ammonia and nitrate as well as phosphoric acid : en fr
  • DK48210C - Device for electric watches. : da en
  • FR757552A - Quiet valve control : en fr
  • CA338176A - Organic liquid electrothermal dissociation apparatus : en fr
  • DE590169C - Process for the production of silver mirror coatings using the cold process : de en
  • DE590360C - Straightening and cutting machine for cold wire or the like. : de en
  • GB403493A - Improvements in connection with imitation fuel : en
  • SU33564A1 - Pedal lock device : en ru
  • SU33697A1 - Apparatus for measuring ordinates in urban surveys : en ru
  • USRE19035E - E a arndt : en
  • SU33620A1 - Electric device for the transfer of arrows from the tram car : en ru
  • US1941162A - Double roof construction for vehicles : en
  • FR757683A - Anti-theft cap for automobile tanks : en fr
  • FR757690A - Raffia fiber duster : en fr
  • CH166291A - Drawn tin bronze tube for the manufacture of bearing shells and method of making the same. : de en
  • GB403549A - Improvements in or relating to permanent hair waving apparatus : en
  • US1941261A - Milk product and the manufacture thereof : en
  • FR757471A - : fr
  • FR757562A - : fr
  • US1940952A - Screen plate : en
  • US1941141A - Pump : en
  • FR757429A - Flying machine : en fr
  • SU33654A1 - Press for making lenses for microscopes and other optical lenses : en ru
  • FR757673A - Light metal piston : en fr
  • GB403515A - Improvements in or relating to clocks combined with advertising devices : en
  • GB403569A - Improved draught and weather excluder and rattling preventer for doors and windows : en
  • DK48200C - Automatic firearm with cartridge belt. : da en
  • GB403551A - Improvements in razor sharpening devices : en
  • SU33803A1 - Device for facilitating the precipitation of material from the conveyor bucket in vegetable roasting ovens : en ru
  • SU33829A1 - Shading unit : en ru
  • SU33650A1 - Suspension device for extruding molds from molds : en ru
  • US1941274A - Electric switch : en
  • DE590158C - Process for the production of potash : de en
  • DK48205C - Yarn wrench with protective winding. : da en
  • SU33776A1 - One side lug locknut : en ru
  • FR757687A - Sewing machine with support arm and work drive : en fr
  • FR757443A - Device for producing boiling water and steam that can be used for preparing coffee or any infusions : en fr
  • FR757392A - Improvements to alloys : en fr
  • FR757408A - Device for regulating the quantity of water contained in the steam generators : en fr
  • GB403501A - Improvements relating to window operating and securing means : en
  • FR757642A - Improvement brought to decanter-extractors operating by extravasation : en fr
  • SU33786A1 - Pressure reducing valve : en ru
  • FR757411A - Weighing device automatically indicating the weight of the brine to be introduced into the meat to be salted : en fr
  • DK48201C - Process for the production of gaseous sulfur compounds from sulfur-containing material. : da en
  • FR757656A - Method and device for heating solid food : en fr
  • USD91252S - Combined lighter and clock : en
  • GB403552A - Apparatus for a new table game : en
  • GB403521A - Improvements in or relating to vehicle road lamps : en
  • FR757498A - Liftable landing gear for amphibious central hull aircraft : en fr
  • FR757728A - Signaling for carriageways : en fr
  • FR757676A - Improvements to electro-magnetic devices allowing the transformation of mechanical vibrations into electrical impulses, devices such as gramophone pick-ups : en fr
  • AT136087B - Procedures and devices for ventilation of rooms. : de en
  • FR757405A - Manufacturing process of metal wheels, punches and dies and metal wheels : en fr
  • DK48195C - For Building Cabinet Furniture specific, six-sided, right-angled Element of Metal or Wood. : da en
  • FR757598A - Induction electricity meter and the like : en fr
  • FR757620A - Improvements in electric discharge tubes : en fr
  • GB403485A - Improvements relating to cast metal road surfaces : en
  • PL19390B1 - Device for separating individual wires from a bundle, for example wires, intended to supply a current in electric bulbs, and to transfer them to their destination. : en pl
  • US1940743A - Box lining machine : en
  • CA338120A - Insulated floor covering material : en fr
  • CA338094A - Grain cleaning machine : en fr
  • CA338224A - Metal working apparatus : en fr
  • CH166148A - Equipment on gas generation systems to regulate the gas pressure at the extraction point of gas generators. : de en
  • CH166251A - Anti-skid and braking device that can be attached to skis or shoes. : de en
  • CH166136A - Process for the production of a weatherproof and volume-resistant, acid-free cement-concrete mass with wood flour as filling material. : de en
  • SU33647A1 - A device for mixing molten metal : en ru
  • AT136073B - Vehicle with driven carriage rotating in an annular hollow body. : de en
  • AT136058B - Rail joint connection by angle brackets connected to the rail base. : de en
  • CH166262A - Device for protecting lead seals. : de en
  • US1941350A - Treatment of vegetable fibers to separate and recover the fibrous and nonfibrous constituents : en
  • FR757403A - Improvements in processes for drawing sheet glass : en fr
  • FR757595A - Rotary combustion engine : en fr
  • GB403610A - A method of starting asynchronous machines and also synchronous machines which run asynchronously by means of their damper winding during the starting period, by means of controlled rectifiers : en
  • US1941161A - Clutch : en
  • FR757509A - Improvements to installations using dynamos of the so-called three-brush type and to these dynamos themselves : en fr
  • US1940834A - Controller : en
  • US1941258A - Interlocking hanger : en
  • FR757719A - Container made of aluminum or its alloys : en fr
  • GB403698A - Improvements in or relating to bonding compositions and to abrasive articles made therewith : en
  • DE590259C - Aerodynamic curve and inclined position indicator for aircraft : de en
  • GB403547A - Improvements in automatic draw-benches : en
  • GB403588A - Detachable closure for bottles and other vessels : en
  • GB403664A - An improved process for making light-sensitive layers : en
  • DE590173C - Extraction of pure sulfur : de en
  • FR757594A - : fr
  • FR757644A - Manufacturing and assembly process for touring shoes : en fr
  • CH166308A - Gap with an invariable wall distance transverse to the direction of flow between areas of different pressure in liquid ducts. : de en
  • US1941140A - Lubrication device : en
  • US1940961A - Airplane : en
  • FR757553A - Sofa bed : en fr
  • GB403618A - Improvements in electromotor-driven lift operating mechanism : en
  • CH166309A - Device with servo motor for adjusting the impeller blades of water turbines depending on the position of the guide vanes. : de en
  • US1940808A - Rifle grenade clinometer : en
  • PL19327B1 - Camera for developing and fixing films and a film spool adapted to it. : en pl
  • GB403643A - A templet for facilitating the drawing of geometrical patterns : en
  • GB403967A - Improvements relating to the filling of motor spirit and other containers : en
  • DE590286C - Machine for making schnitzel from plastic materials, especially soap : de en
  • AT135974B - Fitting for fold-down doors of cupboards or the like. : de en
  • DE590345C - Method of stacking lignite briquettes : de en
  • CH166221A - Process for the preparation of an azo dye. : de en
  • SU33791A1 - Taper hole boring device : en ru
  • US1941002A - Machine for treating pipes and the like : en
  • US1941423A - Method of heat treating piano string frames : en
  • SU33507A1 - Metal fixing clearing faces : en ru
  • SU33688A1 - Adaptation to a commercial machine for setting the cutter blind : en ru
  • US1941367A - Hand sharpener for scissors : en
  • CH166198A - Device for peeling and polishing all kinds of grains. : de en
  • USD91242S - Design for a stapling machine frame : en
  • AT136055B - Device for fastening ladder rungs to the stiles. : de en
  • CA338191A - Spark arrester : en fr
  • FR757593A - Process for sealing fluid conduits operating by direct or indirect gravity and apparatuses carrying out said process : en fr
  • AT136042B - Depositing device for cigars or cigarettes. : de en
  • DE590209C - Process for the production of compressed yeast using ammonium phosphate compounds : de en
  • AT136030B - Tractors, especially for agricultural purposes. : de en
  • SU33806A1 - Machine for folding fur to a photographic camera : en ru
  • US1941286A - Combination water circulator and feed water heating unit for boilers : en
  • CH166361A - Current impulses for printing telegraph apparatus, electric typewriters and the like. : de en
  • FR757495A - Improvements to signaling and remote control systems using high frequency currents superimposed on electric power distribution currents : en fr
  • CA338240A - Method of treating magnetic materials : en fr
  • CH166116A - A spring and piston device for exerting pressure on a liquid and pushing it out of a container. : en fr
  • CH166240A - Photographic camera for shots and projections. : en fr
  • CH166329A - Process for producing telephone cables free of secondary coupling, device for carrying out this process and telephone cable produced according to this process. : de en
  • GB403584A - Improvements in differential pressure motor : en
  • US1941218A - Tea bag or the like and method of and means for securing it : en
  • US1941374A - Attachment plug : en
  • US1941383A - Operating mechanism for curtains, shades, or the like : en
  • SU33798A1 - Box solder : en ru
  • SU33844A1 - Brick making machine : en ru
  • US1941099A - Material handling and cutting apparatus : en
  • US1940918A - Hydraulic or fluid clutch : en
  • US1940946A - Material control apparatus and method : en
  • US1941193A - Method of making composition containers : en
  • US1940910A - Flange clamp for welding : en
  • PL19315B3 - The method of tanning hides. : en pl
  • SU33586A1 - Supergenerative Radio : en ru
  • US1940925A - Oil brake : en
  • SU33878A1 - Hollow stranded wire for high voltage transmission lines and method of manufacturing such : en ru
  • US1940894A - Soot valve and self-feeding intake : en
  • PL19398B1 - A method of smelting zinc from zinc dust, zinc powder and similar zinc-containing products. : en pl
  • PL19356B1 - Cover for piles or stacks. : en pl
  • CA338163A - Hoist : en fr
  • SU33623A1 - The method of obtaining indantron : en ru
  • SU33845A1 - Adaptation to the cutting machine : en ru
  • US1940924A - Cushion material : en
  • US1941176A - Windshield for automobiles : en
  • GB403491A - Improvements in or relating to apparatus for conditioning air for ventilation and other purposes : en
  • GB403457A - Improvements relating to brake operating mechanism : en
  • FR757459A - Improvements to rigid jaw couplings for railway wagons : en fr
  • FR757501A - Automatic device for handling injection syringes : en fr
  • SU33506A1 - Wooden bottom mount : en ru
  • US1940835A - Truss wheel construction : en
  • SU33559A1 - Air distributor for automatic air brakes of the air distributor type in a conventional Westinghouse brake : en ru
  • US1940779A - Ball and socket universal joint : en
  • DE590162C - Process for impregnating electrical machines and apparatus, especially capacitors : de en
  • DE590231C - Process for promoting cyanogenesis in the manufacture of alkali cyanides : de en
  • FR757383A - Vertical tube boiler : en fr
  • FR757508A - Method of mounting brushes and other brush-making objects, and mounting for the implementation of this method : en fr
  • US1941044A - Process of crosswise wrapping of goods : en
  • US1940767A - Sewing machine attachment for stamping and hammering sheet metal and the like : en
  • US1941259A - Washing machine : en
  • IE12016L - Neck tie : en
  • FR757738A - Plug-in portable light handle : en fr
  • GB403612A - The manufacture of ureas : en
  • FR757505A - Cooling system : en fr
  • DE590230C - Process for the production of ammonium sulfate : de en
  • US1941248A - Sheet registering device : en
  • US1941025A - Shaft sealing device : en
  • FR757528A - Fire alarm device : en fr