• US2135449A - Process of preparing aliphatic esters : en
  • US2134841A - Artificial fishing bait : en
  • DE667183C - Process for the production of multilayer telecommunication cables for four-wire operation : de en
  • US2135004A - Fluid pressure brake system : en
  • PL27323B3 - A tank on wheels for transporting liquids. : en pl
  • US2135003A - Brake system : en
  • US2135083A - Knitting machine : en
  • US2135360A - Conductor support : en
  • CH200812A - Delayed overcurrent release. : de en
  • FR833754A - Plate straightening machine : en fr
  • GB494767A - Aromatic polyether chlorides : en
  • USD112011S - Design fob a pump : en
  • PL27315B1 - Device on a tracked chassis for deepening the borehole. : en pl
  • US2135371A - Circuit control device : en
  • CA377429A - Brake lever and ratchet : en fr
  • US2135034A - Reduction of tube noises : en
  • PL27330B1 - A method of treating starch in order to make it swell in water, and an apparatus for carrying out the method. : en pl
  • US2135344A - Transposed lead-in : en
  • CH200763A - Piston with piston ring. : de en
  • CH200777A - Method and device for switching the fuel supply off and on when starting and stopping engine brakes on motor vehicles with carburetor engines. : de en
  • CH200689A - Process for making paper. : de en
  • CH200697A - Device for the photomechanical production of contours for textile printing rollers. : de en
  • CH200729A - Centrifugal casting machine. : de en
  • US2135036A - Vacuum cleaner : en
  • US2135317A - Snap action permutation lock : en
  • US2135423A - Residual gum : en
  • US2135257A - Bicycle : en
  • US2135165A - Pressure cooler : en
  • USD111949S - Design fob a goblet or similar : en
  • US2135075A - Laminated glass : en
  • US2135358A - Process for sulphonating and sulphating olefines : en
  • USD111950S - Design for a plate or similar article : en
  • SU53446A1 - Device for destroying funnels at flooded openings of hydraulic structures : en ru
  • DE667105C - Vacuum canning vessel : de en
  • DE667187C - Automatic electric welding machine : de en
  • AU105575B2 - Improvements in screw down cocks and valves : en
  • CH200588A - Ventilation window. : de en
  • PL27203B3 - Corrugated sheet metal shell for gas tank. : en pl
  • US2134956A - Alternating current relay : en
  • CA377474A - Pipe welding method : en fr
  • DE667024C - Bogie, which is rotatable and transversely movable across from the car body by means of an articulated square : de en
  • US2134825A - Chemical process : en
  • US2134843A - Tobacco curing system : en
  • GB494776A - Holder for smoke producers in smoke ejecting toys : en
  • PL27252B1 - The engine timing device used in the device for switching the individual gears of the variable transmission. : en pl
  • SU54013A1 - Iron tube for introducing oxygen into the liquid metal : en ru
  • US2135403A - Emergency tire tool : en
  • DE666938C - Ever-ready case for photo or cinema chambers : de en
  • FR833843A - Recessed headlight for vehicles, in particular for automobiles : en fr
  • AU105555B2 - Improvements in or relating to machines for printing and issuing tickets : en
  • CH200852A - Circuit arrangement for telephone stations. : de en
  • FR833891A - Method and apparatus for obtaining photographs giving the impression of relief : en fr
  • CH200603A - Fluid mixing device. : en fr
  • CA377500A - Shoe last support : en fr
  • CH200648A - Roller mill for gradual grinding of grain. : de en
  • CH200651A - Process for making cigars. : de en
  • CH200605A - Security lock with two lock cylinders. : de en
  • DE667118C - Electric discharge tubes with one or more main glow electrodes and auxiliary electrodes, especially for light emission : de en
  • CA377410A - Radio receiver : en fr
  • BE430108A - : en
  • US2135154A - Brake mechanism for winding reels : en
  • US2134948A - Bulk storage for granular materials : en
  • GB494943A - Improvements in machines for surface hardening metal articles : en
  • US2134787A - Method of and apparatus for preparing beverages : en
  • GB494697A - Improvements in or relating to navigation aiding radio systems : en
  • GB494764A - An improved aluminium alloy : en
  • GB494937A - Method and device for the bottom-fed casting, through the feeding head, of all metalsand in particular of steel : en
  • PL27216B1 - Turbine spark gap. : en pl
  • US2134920A - Internal combustion engine : en
  • US2135068A - Production of blended antiknock motor fuels containing polymerized gasoline : en
  • US2135474A - Radiographic substance : en
  • DE666835C - Plant for burning waste fuels, such as wood, Lohe and the like. Like. Which are processed in a mill, and method for using the system : de en
  • DE666980C - Discharge vessel for the purpose of rectification, amplification and generation of vibrations : de en
  • GB494843A - Improvements in or relating to gas producers : en
  • AU449437A - Improvements in or relating to electrical control apparatus for radio transmitter and the like : en
  • US2134999A - Round corner : en
  • US2135149A - Image dissector and method of electron beam analysis : en
  • PL27347B1 - Heating plate for an electric heater, consisting of at least two parts with mutually variable levels. Patent dependent on patent no. 27188. : en pl
  • US2135106A - Indicating mechanism : en
  • US2135444A - Process for preparing nitrohydroxy compounds of the paraffin series : en
  • US2135460A - Preparation of boron fluoride : en
  • FR833801A - Continuous reading thickness gauges improvements : en fr
  • GB494691A - Improvements in two-stroke internal combustion engines : en
  • US2134847A - Searchlight : en
  • US2135229A - Gyro magnetic compass : en
  • US2135236A - Plaited article : en
  • US2135284A - Cathodic lamp : en
  • DK55393C - Liquid-insulated electric AC switch. : da en
  • FR833768A - Improvements in enamelling and metal wire insulation processes : en fr
  • GB494851A - Improvements in or relating to flexible mountings for machinery : en
  • DE667174C - Armpit flaps for uniforms : de en
  • FR833818A - Security device against theft of bicycles : en fr
  • GB494925A - Dust and insect proof cover, suitable for covering food, and similar uses on plates and dishes : en
  • GB495012A - Improvements in means for connecting pipes : en
  • US2135252A - Furnace blower mounting : en
  • US2135310A - High frequency reed block : en
  • US2134751A - Edge trimmer grinder : en
  • US2134978A - Air cleaner : en
  • US2135014A - Cracking hydrocarbon oils : en
  • US2135397A - Eyeshield : en
  • CH200784A - Ignition device for internal combustion engines equipped with a current buzzer. : de en
  • US2134776A - Hydraulic transmission : en
  • US2134801A - Superregenerative receiver : en
  • US2135413A - Textile fabric and method of making same : en
  • US2135184A - Apparatus for continuous casting of metal rods : en
  • US2135225A - Portable container : en
  • US2135337A - Mesh jetty : en
  • US2135351A - Locking clousre : en
  • US2134979A - Photographic camera : en
  • GB494863A - An auxiliary wing for aircraft : en
  • US2135094A - Brassiere : en
  • US2135302A - Gas measuring and dispensing apparatus : en
  • CA377442A - Selective telegraph system : en fr
  • CA377393A - Optical lens : en fr
  • CH200759A - Device for reducing the wear and tear on gears with surfaces sliding on each other. : de en
  • US2134715A - Selective filing and finding system : en
  • AU423938A - Improvements in and relating to electric lamps : en
  • DE666792C - Device on typewriters for returning the carriage to the central position and for fixing the carriage in this position : de en
  • DE667139C - Pantograph : de en
  • GB494791A - Improvements in or relating to electron discharge devices : en
  • US2135199A - Magnetron modulation system : en
  • US2135452A - Synthesis of aliphatic organic acids and esters : en
  • CH200865A - Electric road traffic control device connected to a telephone system, in which the control currents run via double telephone lines. : de en
  • FR833948A - Improvements to ignition systems for internal combustion engines fitted to air navigation devices : en fr
  • GB495034A - Improvements in or relating to electric conductor cables : en
  • GB494909A - Improvements in or relating to corsets and like garments : en
  • DK55413C - Sewage cleaner. : da en
  • ES144150A1 - A calorimetric control procedure, especially for the poultry industry, and devices for its application. : en es
  • GB494768A - Aromatic polyether chlorides : en
  • GB495313A - Improvements in or relating to automatic frequency control systems for radio receivers and the like : en
  • FR833777A - Feedback circuit electric oscillation amplifier : en fr
  • CH200820A - Electron multiplier device. : en fr
  • CH200872A - Trolley for transporting heavy and bulky parcels. : en fr
  • CH200881A - Frames for license plates for motor vehicles. : de en
  • DE667138C - Double-walled metal vacuum flask : de en
  • GB494808A - Improvements in or relating to detachable electrical indicating instruments : en
  • GB494918A - Improvements in apparatus suitable for the washing or sterilizing of bottle-stoppers : en
  • PL27275B1 - Timing device for starting or stopping a drive shaft of a cinematographic apparatus. : en pl
  • CH200894A - Crossing, especially for contact wires without track. : de en
  • CH200641A - Device for holding and adjusting the width of trousers or similar items of clothing. : de en
  • CA377397A - Photographic hardening emulsion : en fr
  • CH200878A - Device on motor vehicles to change the camber. : de en
  • DE666984C - Flat edge knitting machine with jacquard pattern device : de en
  • DE667054C - Method and device for soaking paper, cardboard or paperboard with an aqueous binder : de en
  • US2135227A - Steel farm truck channel iron reach : en
  • PL27206B1 - A device for kneading and shaping dough masses. : en pl
  • FR833773A - Process for the destructive pressure hydrogenation of infusible solid carbonaceous materials : en fr
  • GB494864A - Duplicating machine : en
  • US2134763A - Egg carton and filler : en
  • FR833877A - General method of dry treatment of certain natural silicates for the purpose of extracting alkalis or other constituents : en fr
  • DE667057C - Handle for stick grenades : de en
  • US2135189A - Process for producing molybdenum alloys : en
  • US2135350A - Process of dyeing multicolored fabrics in the piece : en
  • US2135023A - Liquid congealing apparatus and process of treating same : en
  • FR833850A - Ski binding device : en fr
  • FR833852A - Special automatic ball-lift ping pong game : en fr
  • GB495002A - Improvements in vehicle brakes : en
  • DE667145C - Hose connection : de en
  • US2135234A - Dual band antenna transformer : en
  • DE667087C - Method of operating high voltage cables : de en
  • GB494708A - Improvements relating to lime kilns : en
  • GB495013A - Improvements in and relating to cutting-mechanism for use in trimming the edges of wall-paper and like sheet material : en
  • FR833868A - Method and device for making photographs and films in natural colors : en fr
  • GB494801A - Antenna network particularly applicable to systems for radio guiding of moving vehicles : en
  • GB494912A - Improvements in closures for bottles, jars and like containers : en
  • FR833921A - Improvements to television transmitters : en fr
  • GB495095A - A process for the treatment of sodium sulphate obtained as a byproduct in the manufacture of bichromates : en
  • US2135327A - Motor fuel containing nitriles : en
  • US2135309A - Adjustable broiler grid : en
  • US2135362A - Insulator : en
  • GB494685A - Improvements in or relating to thermionic valve oscillation generators : en
  • US2134854A - Accordion strap adjusting device : en
  • GB494699A - Improvements in gear shifting mechanism for motor vehicles : en
  • US2134887A - Apparatus for feeding and burning fuel : en
  • US2134983A - Blind or shutter : en
  • US2135363A - Solvent refining of mineral oil : en
  • DE667074C - Musical instrument with electric sound generation and exchangeable manual and pedal keyboard : de en
  • DK55399C - Apparatus for Detecting Gas in Atmospheric Air. : da en
  • GB494750A - Improvements in or relating to traction arrangements for agricultural implements : en
  • GB495021A - Improvements in or relating to the production of gas expanded rubber : en
  • USD112007S - Design fob a glove : en
  • US2135366A - Naphthazarine intermediate-aro : en
  • CH200900A - Kötzerspulmaschine. : de en
  • DK55403C - Chicken nests. : da en
  • US2135150A - Printing press cylinder : en
  • US2135210A - Golf ball : en
  • US2135361A - Support : en
  • USD111964S - Design fob a hat : en
  • GB494744A - Process for the manufacture of purified germinal gland hormone preparations : en
  • GB494739A - Improvements in and relating to aircraft sustaining rotors : en
  • GB494901A - Improvements in or relating to electric selecting mechanism : en
  • PL27357B1 - Flanged bearing bushing. : en pl
  • US2134949A - Machine for cutting strip material for shoes : en
  • CH200938A - Cigar or cigarette pack. : de en
  • FR833823A - Lock for reverse stitch machines, in particular reverse stitch flat knitting machines : en fr
  • GB495025A - Improvements in the treatment of cellulosic materials : en
  • US2135126A - Friction clutch : en
  • PL27244B1 - Apparatus for the emission of gases, especially for the production of staple fibers from viscose. : en pl
  • US2134927A - Tack container : en
  • US2135204A - Control system : en
  • US2135445A - Method of preparing cereal product : en
  • PL27298B1 - Braking device for wheels, in particular for electric road vehicles, e.g. omnibuses, supplied with electricity from an overhead line. : en pl
  • CH200730A - Process for the production of cores for the production of hollow metal castings. : de en
  • CA377440A - Fluid reagent reacting method : en fr
  • GB494860A - Improved apparatus for extracting fermented beverages from casks and other vessels : en
  • FR833778A - Device for demagnetizing extinguishing, recording and monitoring heads : en fr
  • GB494777A - Method of manufacturing coils ready for use in electrical apparatus, more particularly for dynamos and transformers : en
  • FR833844A - Device for drying printed paper strips : en fr
  • FR833825A - Multiple bowden cable : en fr
  • GB494785A - Improvements in or relating to hot-water bottles with electric immersion heaters : en
  • GB494799A - Improvements in and relating to the production of white clouded enamels on iron : en
  • AU105563B2 - New briquette fuel and process of manufacturing same : en
  • US2134702A - Separation of hydrocarbons : en
  • US2134879A - Beach shelter : en
  • US2134886A - Core barrel : en
  • DE667158C - Feed device for arc lamp, especially headlight arc lamp electrodes, with a vibrating driver : de en
  • FR833813A - Process for manufacturing a product suitable for use as a seasoning cheese : en fr
  • CA377504A - Travelling bag : en fr
  • CA377499A - Mattress and sheet fastener : en fr
  • PL27197B1 - A method of self-regulation of a pressure-fired steam boiler or the like, and a device for carrying out the method. : en pl
  • US2134831A - Bunion pad : en
  • US2135226A - Racket holder : en
  • DE667114C - Collection or collection container for outdoor switchgear : de en
  • DE667171C - Device for the detachable fastening of protective covers for men's legwear : de en
  • DE667175C - Device for connecting the trousers to the trousers : de en
  • FR833766A - Data transcription machine supported by recording cards : en fr
  • GB494972A - Method of and means for covering the bases and/or heads of rivets : en
  • DE667007C - Exhaust valve for air-cooled internal combustion engines : de en
  • DE667112C - Toy with spring mechanism drive and a gear shifting mechanism that works with a bubble switch to control the work flow : de en
  • GR7754B - SYSTEM OF NEUTRALIZATION OF THE ACQUIRED SPEED AND INACTIVITY OF WHEELS. : el en
  • DE666588C - Device for eliminating snoring caused by mouth breathing : de en
  • DE667127C - Steam boiler with storage tank arranged above and connected on the steam side : de en
  • GB494755A - Improvements in or relating to photographic cameras : en
  • DE666900C - Mill firing with several mills arranged on a combustion chamber : de en
  • PL27281B1 - A device in a firearm that causes the complete combustion of propellant charges. : en pl
  • DE667030C - Electric radiator : de en
  • GB495096A - Improvements in and relating to cooling radiators and other heat interchangers : en
  • GB495257A - Improved retarded or delayed action electric motor controller or switching device : en
  • CA377501A - Window : en fr
  • AU105584B2 - Typewriter ink ribbon with ink reservoir zone : en
  • PL27273B1 - Device for unit drive of spindles and winding coils of coils and strippers. : en pl
  • US2134736A - Lubricant : en
  • DE666918C - Electric foot switch for dental drills : de en
  • PL27322B1 - High frequency coupling coil with iron core. : en pl
  • US2134868A - Gasket : en
  • USD111963S - Design fob a coat : en
  • FR833949A - Wire guiding device for cross winding on a winding machine : en fr
  • US2135162A - Propeller guard : en
  • US2135100A - Filter : en
  • US2135451A - Organic acid synthesis : en
  • AU105553B2 - a A process of treating glass to prevent condensation thereon : en
  • CA377490A - Heating device for engine oil : en fr
  • CH200629A - Device for knotting threads to be joined together for use in the textile industry. : de en
  • CH200848A - Hose body. : de en
  • US2135175A - Roller for conveyer furnaces : en
  • USD111955S - Design fob a lamp : en
  • CH200683A - Process for improving organic body colors. : de en
  • CH200811A - Generator protection device for the detection of interturn and earth faults through a choke coil connected to the generator terminals : de en
  • DE667117C - Process for loosening or breaking up ores, minerals and mineral earth of all kinds : de en
  • US2134680A - Piano : en
  • AU496437A - Process for solidifying normally liquid substances, such as liquid polyhydric alcohols and to the solidified products obtained thereby : en
  • CH200636A - Washing machine and dishwasher. : de en
  • FR833940A - Rocker devil : en fr
  • CH200576A - Push rod head for the knife drive on mowers. : de en
  • DE666994C - Plastic, easily spreadable and non-drying insulating and corrosion protection compound : de en
  • PL27283B1 - Lock for self-reloading firearms. : en pl
  • DE666952C - Soot shut-off : de en
  • DE667088C - Switching arrangement for supplying, regulating or monitoring the heating current in a high-voltage cable heated according to patent 610419 : de en
  • DE667051C - Process for the production of clear and spotless oxide layers, in particular for decorative purposes : de en
  • CH200679A - Process for the preparation of a new monoazo dye. : de en
  • DE666962C - Filling cart for chamber ovens : de en
  • GB495104A - Improvements in and relating to heat interchangers : en
  • BE430173A - : en
  • AU105557B2 - Improvements in or relating to carpet sweepers : en
  • PL27264B1 - A method of measuring magnetic induction and a device for measuring it in this way. : en pl
  • FR833789A - Improvements to television transmission or reception systems : en fr
  • DE667027C - Connection clamp for coaxial electrical overhead line cables : de en
  • GB494927A - Manufacture and application of cold swelling starches : en
  • BE430322A - Perfcetionnements to electric cables : en fr
  • CH200829A - Bell jar for electric lamps. : de en
  • US2134832A - Conveyer : en
  • US2135186A - Lapping machine : en
  • US2135476A - Hold-up alarm : en
  • PL27211B1 - Indicator device for indicating the position of the retracted landing gear of an overhead vessel, especially an aircraft. : en pl
  • US2134940A - Proportioning cooling system : en
  • DE667168C - Hard paper or hard tissue panels : de en
  • AU385737A - Improvements in or relating to electro magnetic relays : en
  • US2135470A - Pad holding device : en
  • US2135183A - Process for continuous casting of metal rods : en
  • CH200626A - Process for the production of viscose silk. : de en
  • CH200780A - Method for igniting the fuel in internal combustion engines and device with an ignition coil and an ignition head for carrying out the method. : de en
  • CH200845A - Process for the preparation of 4-amino-4'-sulfonamido-diphenylsulfone. : de en
  • FR833772A - Mechanical toy : en fr
  • DE666419C - Elastic all-metal coupling : de en
  • DE667082C - Rod lock for hollow drill rods : de en
  • DE666949C - Tube transmitter for telegraphy : de en
  • GB494969A - Improvements in or relating to the production and treatment of textile materials : en
  • GB494997A - Improvements in nautical course correctors : en
  • CA377445A - Borer : en fr
  • CH200584A - Shaped stone. : de en
  • US2135187A - Needle bed for knitting machines : en
  • GB495101A - Improvements in or relating to the heating of the metal pots or crucibles of typographical machines : en
  • US2134870A - Resistance element : en
  • US2135086A - Multiple-electrode holder : en
  • US2135412A - Device for advertising and like purposes : en
  • US2135277A - Cover or shield for garment hangers : en
  • DE666897C - Circuit arrangement for telephone systems : de en
  • DE666950C - Medium and high frequency generator of the homopolar type excited by a permanent magnet : de en
  • FR833915A - Advanced use of tidal energy : en fr
  • CH200827A - Electric furnace for the manufacture of metal products by fusion. : en fr
  • US2135028A - Recording device : en
  • PL27340B1 - A method of obtaining light rosin from dark rosin. : en pl
  • DE667008C - Hydraulic power generator : de en
  • US2135318A - Electric broiler : en
  • GB494745A - Improvements in and relating to typewriters : en
  • GB495031A - Improvements relating to cinematograph apparatus : en
  • GB495035A - Improvements in or relating to illuminating systems for optical-projection apparatus : en
  • DE667084C - Endless conveyor belt carried by an overhead track intended for open-cast mining : de en
  • DE666850C - Thermal power plant with steam generation in the engine by injecting liquid : de en
  • US2135262A - Optical means for increasing rear vision : en
  • US2134966A - Faucet : en
  • US2135233A - Shoe : en
  • US2134773A - Machine to bend or twist connecting rods : en
  • GB495001A - Improvements in or relating to edge filters : en
  • GB495004A - A process for preparing viscous oils, such as lubricating oils, transformer oils andthe like : en
  • FR833932A - Liquid soap : en fr
  • DE666931C - Device for processing dry bread or similar goods : de en
  • DE667045C - Billing machine controlled by punch cards : de en
  • DE666885C - Rescue device for aviators with a seat lifting device that can be operated by an energy store : de en
  • FR833837A - Improvements to electrical filtering devices : en fr
  • GB494955A - Improvements in and relating to liquid fuel injection-system-equipment for internal combustion engines : en
  • DE667095C - Process for securing pressed patterns on nappa leather : de en
  • GB494771A - Improvements in and relating to systems of electric motor control : en
  • US2135442A - Scumming apparatus for liquids : en
  • US2134957A - Vulcanization of rubber : en
  • DE666890C - Device for stripping and mixing tobacco leaves of various types or masses : de en
  • FR833792A - Bowden transmission in detachable parts : en fr
  • GB494827A - Improvements in light sources comprising electric discharge tubes : en
  • FR833946A - Magnetic control system for AC motor : en fr
  • GB494817A - Improvements in and relating to production or assembly line trackways : en
  • CA377386A - Gear shifting mechanism : en fr
  • PL27227B1 - Multi-nozzle sprayer. : en pl
  • DE640792C - Power machine driven by an auxiliary fluid : de en
  • FR833870A - Incandescent electric lamp : en fr
  • GB494839A - Improvements in and relating to cathode ray apparatus : en
  • DK55406C - Stirrer for Drum Heaters. : da en
  • GB494967A - Improvements in or relating to television and like apparatus : en
  • US2134779A - Safety device for clothes wringers : en
  • US2135250A - Metal-clad switch-gear structure : en
  • CH200706A - Metal wheel for guns and artillery vehicles. : de en
  • CH200857A - Link between symmetrically grounded and asymmetrically grounded arrangements. : de en
  • PL27223B1 - An inhalation device. : en pl
  • US2134754A - Apparatus for forming automobile floor mats : en
  • US2135295A - Supervisory control system : en
  • US2134845A - Typewriting machine : en
  • US2135118A - Tile-mounting structure : en
  • US2134938A - Scriber for moving-picture films : en
  • US2135193A - Extrusion : en
  • GB495032A - A process of exchanging ions between a solution and an artificial resin : en
  • US2135090A - Feed mechanism : en
  • DE667191C - Medical treatment chamber for the production of an artificial fever in the human body : de en
  • GB494884A - Improvements in or relating to electrical oscillation generators : en
  • FR833842A - Device for testing devices using high current and high voltage : en fr
  • GR7755B - MECHANICAL MANNER OF MANUFACTURING THE SALT IN THE SALT. : el en
  • US2134722A - Telegraph printer : en
  • US2134989A - Pile-driving attachment for booms : en
  • CH200761A - Method for braking vehicles using gas pressure and gas pressure brakes to carry out the method. : de en
  • CH200815A - Cathode ray tube with image point generation by imaging a diaphragm. : de en
  • GB494738A - New heterocyclic compounds : en
  • GB494861A - Improvements in and relating to antifriction journal bearings for shafts : en
  • DE666881C - Pay slip sheet replacement for copying : de en
  • DE667001C - Lubrication for slot-controlled two-stroke internal combustion engines with crankcase pumps : de en
  • CH200743A - Fournier topping. : de en
  • GB495087A - Method and device to extinguish the arc in vapour-or gasfilled discharge apparatus : en
  • DE667124C - Articulated coupling, especially when driving the rolls of rolling mills : de en
  • GB495028A - Improvements in or relating to containers for toilet articles and accessories : en
  • US2134930A - Tampon and method of making it : en
  • US2135141A - Loading machine : en
  • US2135420A - Nutcracker : en
  • DE667106C - Method for roasting coffee : de en
  • GB494700A - Improvements in or relating to the production of urea-aldehyde synthetic resins : en
  • DE667017C - Process for the production of shoe soles from coconut fibers or yarns made from them : de en
  • GB494743A - Improved method of manufacturing luminescent screens for cathode-ray tubes : en
  • GB494903A - Improvements in or relating to road traffic control systems : en
  • GB495097A - Improvements in or relating to the production of cellulose derivatives : en
  • DE666928C - Joint quadrangle, in which two adjacent links have the same length : de en
  • DK55398C - Holster for use in the manufacture of insulation mats. : da en
  • DE667101C - Press plate for vulcanizing presses or the like. : de en
  • CH200622A - School table. : en fr
  • CH200785A - Air-cooled star cylinder engine with cooling fan, in particular for motor vehicles. : de en
  • PL27214B1 - A method for reproducing images, and an apparatus for carrying out the method. : en pl
  • US2134862A - Tamale machine : en
  • US2135096A - Airplane : en
  • AU450637A - Improvements in or relating to thermionic-valve amplifiers andthe like : en
  • CH200889A - Internal combustion engine system with charging and electrical power transmission. : de en
  • DE666906C - Process for the manufacture of sieve fabrics : de en
  • GB495074A - Improvements in coking retort ovens : en
  • US2135395A - Manufacture of multicolored rubber mixings : en
  • FR833904A - Improvements to optical devices for photography : en fr
  • CH200707A - Container for gun ammunition. : de en
  • US2135159A - Curtain-rod holder : en
  • US2135473A - Laminated lining material : en
  • DK55412C - Automatic closing funnel, especially for milk filters. : da en
  • FR833911A - Process for obtaining polychrome photographic prints : en fr
  • GB494687A - Improvements in or relating to optical projection apparatus : en
  • DE667076C - Motor vehicle equipped with caterpillars and running wheels : de en
  • DK55404C - Apparatus for ascertaining whether a living organism is present in a subject, in particular an egg, and for ascertaining the sex of a sexed, living organism. : da en
  • DE666998C - Method for investigating the afterglow of fluorescent materials : de en
  • FR833776A - Improved rack for mountain bags : en fr
  • AU186238A - Self-inflating life preservers : en
  • CH200597A - Process for the production of hot water BEzw. Steam by means of hot water and equipment for carrying out the process. : de en
  • CH200735A - Clamping device for cans in small closing machines working according to the double fold principle with manual drive. : de en
  • CH200807A - Self-switching mercury contact tube under the influence of heat. : de en
  • DE667146C - Process for the mechanical galvanizing of elongated objects, in particular of steel strips and sheets : de en
  • FR833900A - Maritime supply station with underwater tank : en fr
  • US2134951A - Time delay relay : en
  • US2135137A - Dobby finger for looms : en
  • AU138238A - Improved photographic printing apparatus : en
  • CA377390A - Cascade transformer : en fr
  • CH200742A - Scroll saw. : de en
  • GB494800A - Air feed for diving suits : en
  • CH200915A - Process for the preparation of a pyrimidine derivative. : de en
  • AU309337A - Improvements in or relating to electronic coupling arrangements : en
  • CA377472A - Illuminated card holder : en fr
  • DE666919C - Current transformer with rod-shaped iron core : de en
  • CA377441A - Portable paving plant : en fr
  • CA377506A - Fishing device : en fr
  • CH200765A - Device comprising a rotating member, controlled in both directions, and an associated indicating member. : en fr
  • PL27279B1 - Smooth barrel projectile. : en pl
  • GB494870A - Manufacture of salts of sulfuric ester s : en
  • DE667029C - Glow cathode discharge tubes : de en
  • USRE20905E - Sander device : en
  • DE667128C - High-pressure single-tube steam generator with forced flow of the working medium : de en
  • US2135212A - Crown rest for bottle crowning machines : en
  • USD112004S - Design for a vanity case or similar : en
  • GB494829A - Improvements in and relating to electric switch contacts : en
  • US2134768A - Separating process and apparatus : en
  • US2135440A - Charging apparatus for concrete mixers and the like : en
  • AU460037A - Improvements in radio direction finders and course indicating devices : en
  • DE666855C - Cylindrical or prismatic clamp for electrical lines with a cross hole : de en
  • DE667089C - Magnesium fusible link for open and closed fuses : de en
  • CH200918A - Process for the preparation of an aminosulfone. : de en
  • GB494823A - A device for fixing objects to a wall or the like : en
  • PL27196B1 - Gyroscopic instrument. : en pl
  • US2135218A - Support for mudguards : en
  • US2134993A - Hinge : en
  • US2135239A - Bottle : en
  • USD112019S - Design for a dress : en
  • CH200586A - Process for the production of a building material. : de en
  • PL27350B1 - Paddle closures for ventilation windows. : en pl
  • US2134818A - Automatic oil return system for turbine pumps : en
  • CA377412A - Grating structure : en fr
  • GB494893A - Improvements in sound records of the variable depth type : en
  • GB495003A - An electromechanic apparatus for the operation of railway switches : en
  • GB494806A - Adjustable indicating device for use with recording calculating machines : en
  • PL27280B1 - A bullet with saw blades. : en pl
  • PL27312B1 - Tubular gas heater for obtaining high temperature gases. : en pl
  • SU53976A1 - Method of making welded manifolds : en ru
  • AU182038A - Improvements in ring clamp fasteners for heads of steel barrels : en
  • CA377488A - Hydrocarbon production : en fr
  • CH200656A - Saturator for the production of coarsely crystalline ammonium sulfate. : de en
  • PL27301B1 - A method of making threads of glass or other similar fusible materials containing silicon, and an apparatus for carrying out the method. : en pl
  • USD111956S - Design for a lamp : en
  • AU450837A - Conversion of carbon monoxide with hydrogen into hydrocarbons or their oxygen-containing derivatives : en
  • USD111992S - Design fob a bottle ob sevulab con : en
  • AU105548B2 - Improvements in composite stanchions or rails more particularly for shop furniture : en
  • AU105594B2 - Improvements in or relating to electronic coupling arrangements : en
  • FR833798A - Elastic metal-rubber pad, especially for machines with low rotational speeds : en fr
  • AU448737A - Improvements in or relating to incandescent screen tubes : en
  • DE667170C - Shot search device for dobby machines : de en
  • CH200673A - Process for the preparation of an azo dye containing complexed chromium. : de en
  • US2134881A - Air conditioning device : en
  • US2135155A - Loom with shuttle changing and loom stopping mechanism : en
  • US2134785A - Art of manufacturing ladles : en
  • US2134839A - Adjustable knife : en
  • US2135203A - Device for the continuous treatment of animal carcasses, slaughterhouse offal, etc. : en
  • USD111974S - Design for a game board : en
  • CA377368A - Speed gear : en fr
  • CA377460A - Roller skate wheel : en fr
  • US2135054A - Treatment of milk and milk preparations : en
  • US2135285A - Heat pump : en
  • AU105591B2 - Improved method of manufacturing steel : en
  • US2134816A - Thinning and weeding machine : en
  • US2135432A - Vapor condenser : en
  • CH200677A - Process for the preparation of a substantive polyazo dye. : de en
  • AU449237A - Improvements in screw down cocks and valves : en
  • CA377428A - Washing and wringing machine : en fr
  • AU105567B2 - Improvements in or relating to incandescent screen tubes : en
  • CH200698A - Mechanical pencil. : de en
  • CA377435A - Fire extinguisher : en fr
  • CH200768A - Press or Elevator. : de en
  • GR7756B - AUTOMATIC LIGHT NUMBER OF CARS. : el en
  • US2135019A - X-ray apparatus : en
  • AU105560B2 - Self-inflating life preservers : en
  • AU110562B2 - A method and arrangement for producing glide paths for aircraft by comparing antenna field intensities : en
  • CH200922A - Process for the preparation of a mixture of quaternary ammonium compounds. : de en
  • GB495075A - Process for producing liquid fuels from gaseous olefines : en
  • DE666915C - Control acknowledgment switch : de en
  • US2134749A - Method of making cast iron slips for oil tools : en
  • CH200637A - Method and device for cleaning laundry. : de en
  • CH200818A - Method for eliminating edge blurring in plate deflection in cathode ray tubes. : de en
  • US2135064A - Ureides containing a quaternary carbon atom : en
  • FR833913A - Process for the production of colored artificial textiles : en fr
  • CH200712A - Gyroscopic navigation instrument. : en fr
  • CH200762A - Pistons for prime movers. : de en
  • CA377446A - Air conditioning means : en fr
  • CA377497A - Trousers hanger : en fr
  • US2134872A - Car axle lubricator plate : en
  • PL27295B1 - The method of obtaining aluminum from domestic clays. : en pl
  • US2134703A - Filter drum construction : en
  • PL27233B1 - A method of casting objects from plastics and an apparatus for carrying out the method. : en pl
  • US2135325A - Apparatus for finishing soap : en
  • US2134857A - Hand lamp switch : en
  • US2135152A - Front wheel suspension : en
  • CA377418A - Halogen-substituted alcohol : en fr
  • AU105573B2 - Improvements in or relating to speed governing arrangements for internal combustion engines : en
  • CH200665A - Process for the production of a condensation product. : de en
  • CH200684A - Process for the production of paints. : de en
  • US2134782A - Reciprocating compressor : en
  • US2134877A - Carburetor : en
  • US2135217A - Luggage carrier for bicycles and the like : en
  • USD111997S - Design for a towel back ob similar : en
  • CH200633A - Method for embroidering an embroidery base. : de en
  • CH200758A - Nut lock. : de en
  • FR833839A - Assembly for generating in a coil, in particular in the deflector coil of a television tube or an oscillograph, a linearly increasing current : en fr
  • CA377371A - Aluminium and alloy spot-welding : en fr
  • CH200804A - Electric wire. : de en
  • DE667154C - Shower for bath facilities with a ventilation pipe extending from the shower base : de en
  • DE667131C - Receiver with shrinkage control for optional telephony reception and telegraphy reception with self-oscillating audion : de en
  • US2135031A - Process for the manufacture of a therapeutic organic compound : en
  • USD112022S - Design fob a dress : en
  • CA377406A - Photomechanical process and colour filter : en fr
  • US2134772A - Method of and apparatus for dispensing fluids : en
  • US2134797A - Apparatus for case hardening glass : en
  • US2135457A - Separation of the constituents in organic complexes : en
  • CH200691A - Block calendar with foldable sheets. : de en
  • CH200862A - Television receiving device. : de en
  • DE667060C - Snap fastener matrix : de en
  • CH200612A - Floor cleaning machine. : de en
  • CH200841A - Process for the preparation of oestron, which has the degree of purity of the international standard preparation. : de en
  • CH200880A - Motor vehicle with a self-supporting body. : de en
  • FR833835A - Safety device against backflow of oxygen and backfire, particularly in acetylene gas pipes : en fr
  • GB494934A - Improvements in or relating to filters for liquids : en
  • FR833784A - Improved process for treating the surface of iron or steel products in preparation for painting : en fr
  • CA377413A - High vacuum production : en fr
  • GB494736A - Improvements in or relating to furnaces : en
  • GB494846A - Improvements in or relating to knitting machines for producing plated fabric : en
  • US2134789A - Brake mechanism : en
  • US2135415A - Means for expanding piston rings : en
  • CH200660A - Process for the preparation of a dispersant. : de en
  • PL27302B3 - The method of producing potassium nitrates. : en pl
  • US2135352A - Multiple arcing gap : en
  • US2134822A - Typewriting machine : en
  • US2135385A - Apparatus for applying decorative strips to sheet material : en
  • FR833752A - Window refinements : en fr
  • PL27220B1 - A method for controlling the temperature in carrying out an exothermic reaction and an apparatus for carrying out the method. : en pl
  • DE667125C - Device for the separate extraction of external and internal gases from horizontal chamber furnaces : de en
  • FR833796A - Stopper preventing fraudulent filling of a container : en fr
  • DE667182C - Carriageway covering made of trough-like plates for open railway bridges : de en
  • GB494703A - Improvements in flow regulating devices for fluids : en
  • CA377426A - Copper base alloy : en fr
  • AU105541B2 - Improvements in and relating to electric water heaters and steam boilers : en
  • ES144158A1 - A process for preparing saturated and unsaturated derivatives of pregnan-3-20-dione. : en es
  • FR833883A - Improvements to gas appliances and combi appliances : en fr
  • GB494818A - Improvements in or relating to flat-bed type knitting machines : en
  • DE667083C - Automatic feed device for rock drills : de en
  • GR7750B - TRAFFIC AND PEDESTRIAN TRAFFIC REGULATION SYSTEM THROUGH LIGHT SIGNS AT THE CROSSROADS. : el en
  • US2134792A - Harvester : en
  • USD111980S - Design fob an automobile exhaust : en
  • CA377459A - Cooking vessel : en fr
  • CH200669A - Process for the preparation of a quaternary nitrogen compound. : de en
  • US2134683A - Calculating machine : en
  • GB494696A - Improvements in loud speaking telephones : en
  • FR833939A - Improved straw chopper especially for threshing machines : en fr
  • GB494850A - Process for melting up light metal scrap : en
  • US2134826A - Pocket type cigarette extinguisher : en
  • CH200714A - Measuring instrument with a pointer drive mechanism designed as an independent built-in part. : de en
  • USD111970S - Design for a tire : en
  • US2134923A - Tool for applying seal caps : en
  • US2135289A - Means for attaching together parts of toys and the like : en
  • DE667037C - Backstop for synchronous small motors : de en
  • US2135311A - Theater aisle standard : en
  • USD111984S - Design fob a game board : en
  • DE667196C - Multimeter : de en
  • FR833763A - Improvements to mercury switches : en fr
  • CA377403A - Double exposure prevention camera : en fr
  • USD112006S - Design for an ironer : en
  • DK55395C - Hat holder. : da en
  • CH200853A - Device for coupling an external circuit with a wave guide used to transmit very short electromagnetic waves. : de en
  • PL27325B1 - Treatment of flour and similar products with halogen-nitrogen compounds. : en pl
  • US2134850A - Signal transmission : en
  • USD111981S - Design for an electric cable : en
  • USD111954S - Design for a perfume bottle or : en
  • GB494780A - A suitable device for controlling the operation of railway switches : en
  • GB494813A - Means for the electrical transmission to a distance of movements of at least one control member to at least one controlled member : en
  • FR833866A - Machine for molding, calibrating and wrapping loaves of butter or materials of similar consistency : en fr
  • FR833876A - Improvements to winches and capstans : en fr
  • US2134988A - Core-taking apparatus : en
  • US2135037A - Antenna system : en
  • US2135463A - Wood impregnating apparatus : en
  • DE667061C - Zip with several sliders : de en
  • PL27236B1 - Multiple cast iron boiler for central heating. : en pl
  • DE667075C - Device for indicating the approaching exhaustion of catalytically active filter media which become ineffective due to moisture : de en
  • US2135238A - First-aid kit : en
  • DE667159C - Electric table lamp with box-shaped base : de en
  • DK55410C - Bottle closure. : da en
  • PL27198B1 - Extraction device in the shaft. : en pl
  • US2135342A - Tubed cakepan : en
  • GB494787A - Improvements in or relating to electric discharge tubes : en
  • GB494938A - Improvements relating to the cooling of internal combustion engines having cylindersparallel to the driving shaft : en
  • GB495069A - Improvements relating to cinematograph apparatus : en
  • IE15374L - Dehairing hog carcasses. : en
  • US2135123A - I-aryloxy halo ethylenes : en
  • USD111983S - Design for an outside door handle or : en
  • USD111953S - Design for a combined chair and desk : en
  • DE666930C - Method for producing a top layer : de en
  • GB494805A - Improvements in or relating to safety razors : en
  • GB495099A - Sound measuring arrangement for determining a place of detonation : en
  • FR833834A - Carburetor training : en fr
  • GB494880A - Improvements in or relating to filters for removing aerosols from gaseous media containing the same : en
  • GB495092A - A process for the production of hydrocarbons suitable as fuel for internal-combustion engines : en
  • DE666990C - Method and device for the production of large castings from glass : de en
  • FR833937A - Improvements to threshing machines : en fr
  • GB495088A - An optical method and apparatus for the recording of oscillations, particularly for manufacturing sound-films : en
  • FR833849A - Rotary tube furnace for metallurgical or chemical purposes : en fr
  • FR833874A - Improvements to electric watches : en fr
  • GB494734A - Improvements in radio receivers : en
  • US2134690A - Electrical communication network : en
  • USD111998S - Design for a guide chart or similar : en
  • FR833893A - Method and means for the manufacture, without seam, of shoes, slippers or the like : en fr
  • US2135138A - Automatic sprinkler and deflector therefor : en
  • US2135230A - Railway amusement apparatus : en
  • GB495015A - Improvements in method of and compositions for treating dyed materials : en
  • PL27242B1 - Motorcycle trailer. : en pl
  • US2134724A - Heating and cooling system for vehicles : en
  • US2135153A - Electric system of control for lifts : en
  • US2134711A - Production of nuclear alkyl derivatives of phenols : en
  • US2135017A - Capacity measuring instrument : en
  • US2134734A - Suction gatherer : en
  • US2135130A - Draft regulator : en
  • US2135011A - Means for varying the stroke of pump rods or like reciprocating members : en
  • GB494770A - Improvements in the manufacture of moulded artificial fuels : en
  • GB494907A - Improvements in or relating to vacuum cleaners : en
  • FR833865A - Improvements to frames, magazines, boxes and other receptacles, for photographic products : en fr
  • SU54113A1 - The method of construction of concrete facing tunnels : en ru
  • FR833912A - Improvements to winches and in particular those used for launching and raising lifeboats on ships : en fr
  • AU45638A - Process and apparatus for extracting butter fat direct from milk, utilisable also for whipping cream and cooling milk and cream : en
  • CH200731A - Casting device with a mold. : de en
  • US2134958A - Refrigerant compressor : en
  • PL27237B1 - A method of electrolytic production of subsiaresins. : en pl
  • PL27290B1 - Devices for switching on and off a light generator on a bicycle. : en pl
  • US2134925A - Sanitary protector : en
  • CA377374A - Aluminium surface treatment : en fr
  • GB495024A - Improvements in obtaining fibres from fibre-containing material such as stalks, leaves and the like : en
  • CH200668A - Process for the production of a nitrosamine. : de en
  • DE660239C - Turbine type prime mover : de en
  • DE667035C - Checking device for vehicle dependency circuits for travel locks : de en
  • FR833875A - Adjustable length stick for skiers : en fr
  • US2134745A - Method of and apparatus for proportioning the flow of fluids : en
  • CH200627A - Combing machine for textile fibers. : de en
  • AU196937A - Improvements in glass fibres and method of treating thesame : en
  • DE667023C - Annealing furnace for annealing material that is continuously moved through in a vertical path, such as metal bands, metal wires and the like. like : de en
  • US2135241A - Harrow or drag lift : en
  • US2135355A - Pneumatic tube terminal : en
  • USD112005S - Design for a vanity case or similar : en
  • CA377437A - Locomotive wheel : en fr
  • CA377467A - Diachylum cutting machine : en fr
  • CH200702A - Wooden skis with metal inserts. : de en
  • AU105599B2 - Improvements relating to electric switches : en
  • CA377415A - Aircraft propeller : en fr
  • CH200814A - Method and device for switching, in particular switching off high electrical currents. : de en
  • CA377398A - Yarn : en fr
  • FR833898A - Plug socket : en fr
  • PL27333B1 - Brickwork of the hearth of vehicle generators. : en pl
  • US2135384A - Friction clutch : en
  • US2134916A - Film projecting mechanism : en
  • US2134964A - Container : en
  • US2135418A - Method of providing fastening means in sheet metal : en
  • FR833885A - Improvements to machines for treating fabrics and other surfaces by spraying : en fr
  • PL27303B1 - Braking device, operating with a working medium under pressure. : en pl
  • GB494923A - Improvements in and relating to the lining of pipes with cementitious material : en
  • US2134919A - Air duct : en
  • PL27192B1 - Automatic coupling for vehicles running on rails. : en pl
  • FR833821A - Fan training : en fr
  • ES144159A1 - A gasogen. : en es
  • GB494712A - Improved method and means of rendering buildings and rooms proof against the ingress of toxic gases : en
  • GB494854A - Improvements in or relating to filters : en
  • GB494876A - Apparatus for producing photographic prints : en
  • GB495090A - Device for the treatment of textile materials : en
  • DE667188C - Device for distilling tar : de en
  • PL27305B1 - Two-speed gear for bicycle. : en pl
  • GB494915A - Apparatus for mechanically treating flax straw or stalks or bast fibres for production of a decorticated and cleaned mass thereof : en
  • DK55405C - Procedure for Regulating the Moisture Content of Foodstuffs During Storage in Cold Rooms. : da en
  • US2135314A - Motor-driven vehicle : en
  • US2135374A - Mechanical corrector : en
  • DK55390C - Method and Apparatus for Continuous Preparation of Aqueous Solutions with Active Chlorine Content. : da en
  • GB495106A - Improvements in and connected with door latches, catches and the like : en
  • DE667056C - Gun barrel wiping pads and method of making the same : de en
  • GB495183A - Improvements relating to insectifuges and insecticides : en
  • AU151738A - Improvements in or relating to heat exchange apparatus forthe supply of conditioned air : en
  • CA377453A - Railway car : en fr
  • DE666907C - Brassiere : de en
  • PL27321B1 - A method of producing an audio record, consisting of several identical simultaneous audio records, for recording, copying, duplicating and reproducing purposes, an apparatus for carrying out the method, and a film recorded with this apparatus. : en pl
  • CH200783A - Starting device on internal combustion engines with spark ignition. : de en
  • US2135348A - Variable speed pulley : en
  • AU105549B2 - Improvements in or relating to cathode-ray type direction-finders : en
  • PL27249B1 - Air seat for bicycles and motorbikes. : en pl
  • US2134755A - Electrical distribution system : en
  • USPP302P - Snapdragon : en
  • FR833761A - Refinements to receivers featuring an automatic precise tuning system : en fr
  • AU105580B2 - Improvements in or relating to electric discharge tubes, more particularly output discharge tubes, and amplifying systems therefor : en
  • US2134895A - Cellulose hydroxy ethers : en
  • US2135136A - Reed with detachable dents : en
  • US2135268A - Discharge lamp system : en
  • CA377454A - Floor polishing machine : en fr
  • CH200738A - Apparatus for turning the lower conical seat on Velo front wheel forks without a lathe. : de en
  • AU213938A - Improved method of manufacturing steel : en
  • CH200895A - Watercraft. : de en
  • CA377375A - Composite metallic body : en fr
  • CH200733A - Automatic arc welding device. : de en
  • AU105574B2 - Wagon scraper : en
  • CH200935A - Device with an electric discharge tube. : de en
  • PL27309B1 - Method for the production of vat dyes. : en pl
  • US2135216A - Temperature-control system for pasteurizers : en
  • US2135304A - Elastic fluid turbine packing : en
  • BE430383A - : en
  • US2135426A - Treatment of still residue : en
  • DE666889C - Device for feeding the winding units of spindleless winding machines with empty tubes : de en
  • DE667062C - Belt closure : de en
  • AU105581B2 - Improvements in or relating to electric discharge tubes ofthe pentagrid or octode type : en
  • US2135058A - Catalyst for hydrogen production from hydrocarbons : en
  • DE667015C - Device for placing capsules between the filling and sealing machine : de en
  • DE667143C - Ashtray with an erasure stamp attached to a rigid carrier, counter to the action of a return spring : de en
  • CH200771A - Pistonless liquid pump with motor drive. : de en
  • CH200927A - Process for the preparation of a plastic. : de en
  • AU147538A - Improvements in or relating to circuit breakers : en
  • AU455737A - Improvements in and relating tothe tempering of glass : en
  • CA377377A - Aluminium alloy : en fr
  • AU105579B2 - Process for solidifying normally liquid substances, such as liquid polyhydric alcohols and to the solidified products obtained thereby : en
  • DE667092C - Method for controlling gas or vapor discharge paths : de en
  • AU130138A - Improved method of manufacturing electrodes with a high secondary emission : en
  • CH200639A - Process for determining the individual lengths of lengths of fabric in continuously operating textile machines and systems for carrying out this process. : de en
  • FR833833A - Method for sensitizing silver halide emulsions : en fr
  • CH200830A - Device in lighting systems for dimming light sources in rooms, in particular stairwells. : de en
  • AU127538A - Improvements in or relating to machines for printing and issuing tickets : en
  • CA377420A - Illuminator : en fr
  • USD111959S - Design fob a beer bottle : en
  • USRE20901E - Aibcrafsi : en
  • AU105595B2 - Improvements in corsets or girdles and corselets : en
  • DE666912C - Suspension for rail vehicles : de en
  • US2135251A - Sealing and lubricating device : en
  • USD111982S - Design for a perfume stand : en
  • US2135270A - Electric cigar lighter : en
  • USD111977S - Design for an automobile exhaust : en
  • USD112003S - Design for a vanity case or similar : en
  • CH200851A - Device for automatically adjusting the step-by-step advancement of a ribbon, in steps of determined length. : en fr
  • DE666974C - Push button control for electromotive drives with changing direction of movement and with fixed movement targets : de en
  • GB494702A - Improvements in or relating to the electrolytic production of alkaline earth metals or alloys thereof with base metals : en
  • GB494878A - Improvements in or relating to fire extinguishing apparatus : en
  • DE666895C - Device for weaving on looms with an additional stop comb : de en
  • DE666888C - Process for the production of a strap shoe upper : de en
  • CH200585A - Window pane and process for its production together with device for carrying out the process. : de en
  • FR833806A - Vacuum brush, especially intended for dust vacuum cleaners : en fr
  • AU105585B2 - Improvements in or relating to electrically driven suction cleaning machines : en
  • CH200704A - Puppet play. : de en
  • CH200906A - Process for the preparation of a nitrogen-containing aromatic aldehyde. : de en
  • DE667167C - Device for electrical remote measurement of a liquid level : de en
  • US2134747A - Vacuum tube amplifier : en
  • US2134911A - Method of making a size : en
  • US2135255A - Garment hanger : en
  • PL27276B1 - A picture launcher. : en pl
  • CH200767A - Bearing lubrication device. : de en
  • CA377448A - Railway house car : en fr
  • BE430082A - : en
  • CA377452A - Railway house car : en fr
  • CH200659A - Process for the production of 1,2-cholestenone-3. : de en
  • AU105612B2 - Improvements in or relating to magnesium oxide products and method of making thesame : en
  • CH200753A - Cutting device for cutting sheet material. : de en
  • CH200725A - Device for attaching links to wristwatch boxes. : en fr
  • GB494803A - Electronic discharge device : en
  • US2134943A - Brake arrangement : en
  • US2134967A - Filter : en
  • US2135388A - Method of coating iron or steel articles with aluminum : en
  • GB495076A - Means for recording the travel of hoists : en
  • GB494686A - Improvements in and relating to supplying liquids at constant rates : en
  • CH200578A - Watering can. : de en
  • CH200608A - Hold-open device for doors. : de en
  • CH200670A - Process for the carboxylation of alkali salts of phenols. : en fr
  • CH200831A - Gas-heated device with safety device. : de en
  • CH200813A - Minimum voltage relay with thermal delay. : de en
  • DE667055C - Spring-loaded double clutch for single-lane road tows : de en
  • GB494688A - Improvements in or relating to the reduction of noise in radio receiving and similarapparatus : en
  • DE667097C - Pier construction hammer crane : de en
  • US2134786A - Motor : en
  • US2135419A - Canopy : en
  • GB494765A - Improvements in or relating to fluid pressure apparatus for controlling the operation of machine guns : en
  • DE667181C - Concrete paver : de en
  • ES144161A1 - Improvements in gasogens. : en es
  • US2135411A - Game board : en
  • US2135049A - Apparatus for stereoscopic cinematography : en
  • US2135306A - Display device : en
  • US2135190A - Aeronautical propeller : en
  • AU105590B2 - Chemically bonded refractories : en
  • GB494960A - Manufacture of nitro-dyestuffs : en
  • FR833755A - Improvements to textile materials : en fr
  • FR833856A - Improvements to processes to make a metal passive : en fr
  • GB494983A - A means for holding steady the brake pedal of an automobile or the like : en
  • FR833923A - Aircraft engine cooling device : en fr
  • US2134903A - Oil baffle arrangement for gyratory crushers : en
  • USD111967S - Design for a nightshirt : en
  • PL27213B1 - A method of stuffing projectiles with explosives. : en pl
  • DE667065C - Device for remote reporting and remote control : de en
  • US2135084A - Clothes washing machine : en
  • AU447437A - Improvements in water spray distributing devices for watering gardens, lawns and the like : en
  • CH200809A - Electric gas switch. : de en
  • CH200844A - Dry cosmetic preparation. : de en
  • FR833857A - Lubrication device for can seamers : en fr
  • GB494822A - Radio transmitting arrangements particularly for direction finding systems : en
  • US2134984A - Container cover : en
  • US2134880A - Self-exciting alternating current machine : en
  • PL27265B1 - A device for filling liquids, especially perfume, bottles or vials with narrow openings. : en pl
  • US2134796A - Pipe cutter : en
  • US2134908A - Package structure : en
  • US2134739A - Banding machine : en
  • CH200866A - Facility for alternating presentation of objects. : de en
  • CH200898A - Tap fitting for gas-heated liquid heaters. : de en
  • CH200823A - Device for generating very high DC voltages. : de en
  • US2135433A - Azo dyestuffs : en
  • US2135477A - Motor vehicle : en
  • DE667189C - Sledge stretcher : de en
  • FR833869A - Beverage mixer : en fr
  • DE666970C - Compression valve for electrical high-voltage compressed gas switch : de en
  • GB494797A - Potentiometer : en
  • GB494911A - Improvements in a process for the preparation of crustless cheese : en
  • GB494856A - Improved sprayable cement mortar : en
  • GB494865A - Improvements in and relating to evaporators for refrigerating machines : en
  • US2134838A - Skimming device for glass tanks or furnaces : en
  • US2135305A - Elastic fluid power plant : en
  • DE666894C - Spool exchange device for interchangeable looms : de en
  • DE666911C - Angular roller bearing wheel set : de en
  • DE666925C - Binocular observation instrument for stereophotograpmmetric measuring devices : de en
  • DE667069C - Adjustment device for the back cushion and the headrest on chairs, especially on dental chairs : de en
  • FR833872A - Improvements to lifting devices such as vehicle lifts and similar uses : en fr
  • IE15207L - Deincrusting pipe lines : en
  • FR833895A - Method of manufacturing wigs more particularly intended for dolls : en fr
  • GB494828A - Improvements relating to linear-dimension gauges, particularly of the finest-dimension type : en
  • DE666954C - Inner plunger guide for press arrangements operated with a liquid or gaseous pressure medium : de en
  • DE667119C - Production of high quality carbon black : de en
  • GB494707A - Improvements in or relating to non-curling stiffened fabrics : en
  • DE661496C - Preservative for wood : de en
  • US2135085A - Lightning arrester : en
  • GB494963A - A rust preventative and process of making same : en
  • GB494971A - Improvements in or relating to chairs and fittings therefor : en
  • GR7753B - HOW TO PACKAGE THE VARIOUS THERAPEUTIC SERUMS TO AVOID HERRONISM AND OTHER SURFACE PHENOMENA. : el en
  • CH200710A - Device for creating an auxiliary surface in bores of various sizes for the purpose of displaying the center of these bores. : de en
  • US2135168A - Liquid measuring dispensing valve : en
  • US2135191A - Plate assembly : en
  • US2135370A - Molding machine : en
  • CH200861A - TV transmitter with a dismantling disk with holes or lenses arranged in several spirals. : de en
  • AU105578B2 - Improvements in or relating to the operation of mechanical devices and to cartridges and charges therefor : en
  • DE667080C - Emptying device for brown coal steamers : de en
  • DK55397C - Wall. : da en
  • US2135124A - Display device : en
  • US2135200A - Polishing apparatus : en
  • CH200587A - Device for making dowel holes and the like. : de en
  • CH200667A - Process for the preparation of an aminoarylsulfone. : de en
  • CH200890A - Arrangement for the automatic control of the power consumption of the electrical machines of internal combustion-electric drives with a supercharging fan driven by the exhaust gases of the engine. : de en
  • CA377401A - Photographic film : en fr
  • GB494905A - Improvements in and relating to processes for improving fibrous materials : en
  • US2135020A - Shoulder-strap holder : en
  • GB494689A - Improvements in high speed telepicture system : en
  • GB494811A - Improvements in and relating to resilient supports : en
  • CA377400A - Colour reproduction : en fr
  • PL27254B1 - A method of burning liquid or gaseous fuel in vaulted furnaces and an apparatus for carrying out the method. : en pl
  • US2134684A - Bread slicing machine : en
  • US2135006A - Rectifying device : en
  • DE666884C - Box-shaped component for aircraft : de en
  • DE666922C - Use of a pleating machine to produce gathered leather : de en
  • US2135404A - Device for breaking bottles : en
  • US2134698A - Ventilating pipe : en
  • US2134713A - Fluid heat exchange apparatus : en
  • CA377444A - Magnesium production : en fr
  • US2134694A - Preparation of mercury for use in mercury switches : en
  • US2135151A - Method of multiple-coating or finishing : en
  • US2135287A - Star map : en
  • US2135313A - Teapot : en
  • USD112032S - Design fob a dress : en
  • CA377396A - Titanium compound preparation : en fr
  • CA377470A - Fluid treating mechanism : en fr
  • CH200854A - Wire public address system. : de en
  • US2134811A - Internal combustion engine : en
  • US2134961A - Die for forming glove blanks : en
  • USD112015S - Design tor a miniature religious : en
  • CH200793A - Interference protection device on electrical machines. : de en
  • DE648729C - Steam-driven, double-acting compound air compressor with counter-rotating, coaxially arranged steam and air pistons : de en
  • DE666964C - Absorption cold apparatus : de en
  • DE667148C - Device for the production of animal feed by dewatering and drying parts of plants or field crops : de en
  • US2134824A - Process of treating hydrocarbons : en
  • US2135091A - Refrigerating apparatus : en
  • AU105562B2 - Improved process for the manufacture of steel : en
  • CH200858A - Arrangement for the simultaneous transmission of several messages by means of an ultra-short carrier wave. : de en
  • CH200806A - Electromagnetically operated switch. : de en
  • PL27256B1 - Device for X-ray of body sections and layers. : en pl
  • PL27219B1 - A pointer-pointing measuring device with at least two measuring ranges. : en pl
  • US2134869A - Hair-waving heater : en
  • US2135330A - Dispensing container : en
  • CH200821A - Pendulum inverter to feed a slowly increasing load. : de en
  • CH200582A - Impermeable coating and process and tools for its execution. : en fr
  • CH200600A - Process for the production of mixtures of substances rich in magnesium silicate and material rich in magnesium which can be converted into refractory products consisting essentially of magnesium orthosilicate by firing. : de en
  • CH200868A - Moistener for adhesive strips. : de en
  • DE667137C - Seat suspension, especially on deck chairs : de en
  • FR833762A - Automatic toboggan ski : en fr
  • CH200592A - Method for laying stone beds and device for performing the method. : de en
  • DE666961C - Spreading device for fabric webs : de en
  • IE15331L - Stockings : en
  • AU105598B2 - Mechanism for transmitting power tothe front and rear wheels of motor vehicles : en
  • CA377462A - Oxygenated compound preparation : en fr
  • CH200595A - Insert for hot plates. : de en
  • US2134685A - Method of operating shaded pole motors : en
  • US2134695A - Illuminating attachment for switch devices : en
  • US2135125A - Air cooling system for railway cars : en
  • US2135223A - Coupling : en
  • USD112016S - Design fob a dress : en
  • DE667130C - Arrangement for modulated transmitters, especially for telephone transmitters : de en
  • DK55391C - Process for the Preparation of β- (p-Oxyphenyl) -isopropylmethylamine. : da en
  • PL27250B1 - The method of producing substances influencing the change of surface tension. : en pl
  • US2135073A - Vehicle : en
  • US2135051A - Superheterodyne receiving system : en
  • USD111995S - Design fob a motion picture projec : en
  • US2134900A - Speed control of motors : en
  • US2134918A - Venetian blind ladder-web roll construction : en
  • US2135338A - Capacitance coupler : en
  • US2135469A - Monoazo dyestuffs : en
  • FR833894A - Priming device for automatic cisterns and other applications : en fr
  • BE429409A - : en
  • CH200671A - Process for the preparation of C-alkylated phenols. : de en
  • US2134851A - Television and the like systems : en
  • USPP300P - Rose plant : en
  • CA377422A - Fastener slider : en fr
  • US2134995A - Adjustable stroke and shock absorbing connecting rod : en
  • US2135021A - Handle for drawers : en
  • CH200593A - Procedure and equipment for the construction of ceilings and bed bases for streets, sidewalks, etc. : de en
  • PL27294B1 - Sight optics. : en pl
  • US2134766A - Photographic shutter : en
  • US2135208A - Method and apparatus for coating and protecting metallic objects such as pipes, tanks, and the like from corrosion or other injury : en
  • US2135341A - Pan set stay : en
  • US2135022A - Liquid-congealing apparatus and process of treating same : en
  • US2135092A - Built-up lubricating oil : en
  • US2135258A - Leuco esters of the anthraquinone series : en
  • US2135464A - Aircraft wing structure : en
  • US2134708A - Electric selector mechanism : en
  • US2135308A - Vertical labyrinth bearing : en
  • US2134821A - Typewriting machine : en
  • US2134985A - Pressure and sealing device for containers : en
  • AU455037A - Method of charging an internal combustion engine with fuel, air andan inert gas or vapour : en
  • DE667050C - Carburetor : de en
  • DE667081C - Control and safety device for the flushing pumps of deep drilling rigs : de en
  • DK55411C - Bottle rinse machine. : da en
  • FR833914A - Aircraft air flow straightener : en fr
  • CH200782A - Suppression equipment on electrical ignition systems. : de en
  • FR833920A - Improvement in the coloring of fabrics in black : en fr
  • CA377503A - Refrigerating system : en fr
  • CH200937A - Locking device on metal vessels. : de en
  • US2135174A - Roller and roller and breast mills : en
  • US2135176A - Amusement device : en
  • US2135345A - Carbon transfer set : en
  • US2134681A - Automatic ticket registering and checking machine : en
  • US2134732A - Apparatus for feeding molten glass : en
  • US2134756A - Control device : en
  • US2134770A - Control : en
  • US2134890A - Means for materializing the stream : en
  • US2134955A - Container discharging apparatus : en
  • DE667059C - Shower head connected to a tap with an insert stopper that can be adjusted in length by hand : de en
  • DE667109C - Device for preparing meat : de en
  • FR833804A - Improvements to composite structures made of sheet metal and their manufacturing processes : en fr
  • GB494868A - Writing desk, which can be converted into a bed : en
  • GB494945A - Improvements in or relating to indicating instruments : en
  • FR833787A - Paraffin modifying agents : en fr
  • DE666891C - Device for producing cut tobacco : de en
  • DE666973C - Device for the regulation of stage lighting systems : de en
  • GB495072A - Improvements in and relating to catalytic materials and methods of manufacturing the same : en
  • US2135398A - Printing telegraph : en
  • DK55408C - Mixing and grinding mills, in particular for use in the manufacture of chocolate. : da en
  • GB494729A - Apparatus for simultaneous and independent front and rear wheel steering for vehicles : en
  • US2135243A - Fuel feed system for internal combustion engines : en
  • USD111988S - Design fob a sign fob automobiles ob : en
  • FR833832A - Method for sensitizing silver halide emulsions : en fr
  • DE667185C - Electrical junction and passage box : de en
  • DE667034C - Device for line-by-line or section-wise duplication of mirror-text originals : de en
  • DE667071C - Hard metal alloy : de en
  • CH200688A - Process for the production of wood pulp from wood rich in resin, in particular pine wood. : de en
  • DE666957C - Pilgrim roller calibration : de en
  • DE667091C - Device for controlling gas or vapor discharge lines : de en
  • GB494921A - Improvements in or relating to syringes for surgical and like purposes : en
  • GB495045A - Improvements in or relating to apparatus for painting pipe lines : en
  • FR833808A - Improvements to nuts and their manufacturing process : en fr
  • GB494930A - Improvements in apparatus for mixing pulverulent materials : en
  • CA377383A - Washing machine drying unit : en fr
  • CH200896A - Installation for command and control of the orientation of an aircraft direction finder frame. : en fr
  • US2135300A - Selective control for air-conditioning apparatus : en
  • USD112034S - Design for a combined automobtte : en
  • FR833827A - Improvements to elastic fastening devices for metal cables and others : en fr
  • US2134945A - Relay : en
  • FR833855A - Chassis frame or frame-floor assembly for vehicle : en fr
  • FR833945A - Circuit breaker : en fr
  • FR833829A - Improvements to saucers for cups, glasses and other similar containers : en fr
  • GB494820A - Improvements in and relating to timepieces : en
  • GB494761A - Process for rendering textiles water-repellent : en
  • DE666920C - Process for the manufacture of coils for electrotechnical purposes : de en
  • PL27267B1 - Brake for high-speed vehicles. : en pl
  • PL27318B1 - Body with the lowest air resistance, especially for curved vehicles. : en pl
  • PL27346B1 - Door hinges. : en pl
  • GB494931A - Improved manufacture of gears : en
  • GB494826A - Improvements in vacuum cleaner nozzles : en
  • GB494942A - Improvements in or relating to presses for extruding metal : en
  • FR833760A - Process for producing photographic prints : en fr
  • DE666896C - Type set for typewriters or the like. : de en
  • GB495181A - Improvements in road traffic control systems : en
  • FR833922A - Electric oven electrodes adjustment device : en fr
  • DE667033C - Device for register-based, stepless adjustment of the print images of a paper web to the processing tools : de en
  • FR833873A - Percussion system for grenades : en fr
  • GB494974A - Improvements in or relating to ball or roller bearings : en
  • GB495108A - Improvements in and relating to the setting of the teeth on revolving files : en
  • US2134774A - Engine cooling means : en
  • US2135043A - Apparatus for washing, rinsing and drying crockery, laundry and the like : en
  • CH200864A - Television transmission system. : de en
  • FR833888A - Matrix refinements : en fr
  • SE93186C1 - FILLING FUNTER WITH LIQUID LEVEL INDICATOR : en sv
  • US2134706A - Process of flotation and agent therefor : en
  • US2135224A - Method and apparatus for maintaining adjacent railway cars on a level plane-electricmotor control : en
  • US2135405A - Mine car : en
  • PL27353B1 - A method of increasing the resistance to biting the surface of light metals and their alloys by anodic oxidation. : en pl
  • US2135409A - Carton forming and lining machine : en
  • DE666986C - Obstetric forceps : de en
  • US2134780A - Fluid pressure device : en
  • US2135026A - Moving picture camera : en
  • US2134842A - Weft controlled loom stopping mechanism : en
  • US2135012A - Nitration of aromatic hydrocarbons : en
  • DE666933C - Feed boiler machine : de en
  • GB494904A - Process for the manufacture of vat dyestuffs : en
  • GB494985A - Improvements in the purification of alcohols : en
  • DE667165C - Method and device for creping paper or the like. : de en
  • GB494760A - Remotely adjustable maker or breaker for electrical circuits : en
  • US2134997A - Cooking utensil : en
  • GB494873A - Improvements in constructional elements comprising two or more parts, interconnectedby fuse welding : en
  • CH200874A - Wheel suspension on dolls' prams, prams and other children's vehicles. : de en
  • FR833757A - Heat recovery : en fr
  • DE666926C - Method of joining two ends of a sound film to one another : de en
  • US2134693A - Pumping mechanism : en
  • US2134746A - Bottle holder : en
  • US2134970A - Ingot stool : en
  • US2135117A - Polymerization of olefines : en
  • US2135167A - Swab device for wells : en
  • GR7751B - WATER HEATER ELECTRIC HEATED BY CENTRAL HEATING, PORTABLE OR STATION WITH AUTOMATIC TEMPERATURE REGULATION DEVICE. : el en
  • DE667120C - Use of zinc alloys : de en
  • FR833941A - Improvement in tennis rackets and similar games : en fr
  • DE667093C - Device to increase the stability of AC power lines or machines or networks working in parallel : de en
  • US2134697A - Lubrication : en
  • US2135076A - Well pump : en
  • GB494962A - Improvements in means for suspending curtains : en
  • CA377392A - Electrolytic composition : en fr
  • CH200642A - Device for ironing clothes. : de en
  • GB495023A - Improvements relating to the manufacture of vinyl polymerisation products : en
  • GB494881A - Improvements in or relating to gramophone record playing units : en
  • FR833774A - Process for preparing hydrocarbons of interest by destructive hydrogenation of solid carbonaceous materials : en fr
  • DE667123C - Flashing ignition device for gas fireplaces : de en
  • FR833882A - Flame arresters for aircraft engines : en fr
  • GB494766A - Production of ammonia derivatives : en
  • GB494772A - Manufacture of polymerisation products : en
  • US2135127A - Means for impregnating : en
  • US2135163A - Electric connecter : en
  • DE667141C - Electrical measurement or control arrangement using a bridge circuit : de en
  • US2135111A - Vanadyl lactate and process of making it : en
  • USRE20904E - Window channel : en
  • US2135099A - Feed mechanism for grain separators : en
  • US2135197A - Anaglyph stereoscopy : en
  • FR833878A - Improvement in tissue spray treatment : en fr
  • USD112001S - Design for a belt or similar article : en
  • GB495102A - Improvements in chemical manufacture : en
  • GB494835A - Improvements in or relating to the transmission and reception of electromagnetic waves : en
  • USD111958S - Design for a school desk : en
  • USD111990S - Design for a combined sterilizing : en
  • DE667018C - Films or sheets, in particular made from cellulose derivatives : de en
  • DE666726C - Resilient arched track extension : de en
  • BE428669A - : en fr
  • US2134720A - Spring assembly : en
  • US2134878A - Hair waving device : en
  • CA377417A - Nitrile production : en fr
  • PL27207B1 - Spotib pnygatewyawaia raw skins for tanning. : en pl
  • PL27251B1 - Measuring instrument for measuring changes in acceleration due to gravity. : en pl
  • US2135453A - Preparation of oxygenated organic compounds : en
  • CA377475A - Navigating instrument : en fr
  • US2134744A - Friction material and method of producing same : en
  • US2134977A - Garment and moistureproof cover means : en
  • US2134992A - Mucking machine dipper hoisting means : en
  • US2135207A - Advertising or display apparatus : en
  • PL27310B1 - Liquid meter. : en pl
  • US2135434A - Hose and supporter : en
  • AU452437A - Improvements in water-heating apparatus particularly advantageous for domestic use : en
  • CH200770A - Electric compressor. : en fr
  • PL27311B1 - After-shave aluminum plate holder. : en pl
  • US2135205A - Tractor-trailer combination : en
  • US2135369A - Draftless ventilator : en
  • US2135005A - Firing pin arrangement for guns : en
  • PL27342B1 - A method of producing dietary foodstuffs. : en pl
  • US2135323A - Lock construction : en
  • DE666937C - Device to avoid the secondary rays at manhole covers for X-ray purposes : de en
  • FR833931A - Valve device with remote control by fluid, elastic or not, under pressure : en fr
  • CH200624A - Toothbrush. : de en
  • PL27231B1 - Crank gear for a low-pressure internal combustion engine with self-ignition of the fuel mixture during the compression stroke. : en pl
  • US2135266A - Ironing press : en
  • US2135322A - Lock construction : en
  • US2135437A - Silo roof : en
  • US2134864A - Flowmeter : en
  • US2135321A - High current bushing : en
  • FR833795A - Improvements in dewaxing of hydrocarbon oils : en fr
  • AU487037A - Game apparatus : en
  • US2135146A - Shuttle changing loom : en
  • US2134865A - Liquid storing and dispensing device : en
  • DE667006C - Cylinder head for air-cooled multi-cylinder in-line engines with curved cooling fins across the cylinder bank : de en
  • CA377477A - Dental dam : en fr
  • CH200933A - Process for the preparation of 4-pregnenedione-(3 . 20). : de en
  • US2134898A - Process of blanching wood or like materials : en
  • DE667160C - Mercury vapor discharge tubes : de en
  • DE667176C - Slide for steep inclines : de en
  • FR833845A - Straw press with one or more ligatures : en fr
  • GB494980A - Process for the manufacture and production of valuable hydrocarbon products, more particularly of lubricating oils and diesel oils by hydrogenation : en
  • FR833814A - Method and apparatus for reducing and lengthening metal ingots : en fr
  • DE666999C - Self seller : de en
  • US2135242A - Combination package : en
  • PL27208B1 - Electric arc welding transformer. : en pl
  • US2134791A - Brake : en
  • PL27212B1 - Electric filter. : en pl
  • PL27320B1 - A driving device in electric vehicles, in particular powered by electricity from the mains. : en pl
  • US2135093A - Combined display package and rack : en
  • DE667161C - Electrically heated stove for space heating : de en
  • FR833861A - Process for recovering mixtures of solvents in extraction and dewaxing processes : en fr
  • GB494957A - Improvements in or relating to electric lamps : en
  • GB494999A - Improvements in tubular heat exchangers : en
  • GB495022A - Armoured cars or other military vehicles : en
  • GB494836A - Improvements in or relating to bridles or head-stalls for leading and securing animals : en
  • USD112023S - Design for an ignition coil housing : en
  • DE666681C - Corrugated pipe elbow compensator : de en
  • DE667039C - Rotatable plate-shaped X-ray tube anode made of heavy-duty material : de en
  • DE667042C - Chrome-nickel alloys for electrical resistance : de en
  • US2134884A - Road roller and means for transporting same : en
  • US2135009A - Process of separating hydrocarbon mixtures into fractions : en
  • AU105602B2 - Vacuum cleaner : en
  • CH200711A - Apparatus for producing maps by means of the coincidence of projected images from measurement images taken from the air. : de en
  • CH200744A - Process for the production of porous moldings. : de en
  • GB494784A - Improvements in or connected with coal cutting and like machines : en
  • US2135339A - Rethreading machine for restricted bores : en
  • PL27339B1 - Gun angle with an optical scope. : en pl
  • US2134731A - Eyelash curler : en
  • US2134905A - Manufacture of cast iron : en
  • AU105565B2 - Control mechanism of doors, windows andthe like : en
  • AU105597B2 - Improvements in water-heating apparatus particularly advantageous for domestic use : en
  • AU454337A - Inductance element : en
  • US2134859A - Elevator : en
  • US2134899A - Spraying device : en
  • US2134962A - Track circuit for railroads : en
  • US2135140A - Chick box construction : en
  • US2135244A - Trolley conveyer : en
  • DE667163C - Process for the production of copolymers : de en
  • GB494989A - Improvements in or relating to bomb-throwing apparatus : en
  • US2134889A - Compression control : en
  • CH200583A - Flat, hollow component. : de en
  • CH200699A - Method for attaching a protective cover to pen-shaped objects and device for carrying out this method. : de en
  • CH200789A - Liquid for heat exchange devices. : de en
  • US2134922A - Locking device : en
  • US2134729A - Energy converter : en
  • US2135399A - Absorbable insulating animal membrane and sutures and process of making same : en
  • US2135471A - Traffic control signal : en
  • US2134737A - Inlaid metal surface ornamentation : en
  • US2135273A - Scythe snath web : en
  • USD111976S - Design fob an automobile exhaust : en
  • DE667043C - Machine for sorting payment cards, especially punch cards : de en
  • DE667142C - Gas pressure meter with compression body : de en
  • CH200790A - Process for the production of a depolarization mass. : de en
  • DE666988C - Process for the production of cast bodies by sucking the molten material into molds : de en
  • US2135132A - Bag forming process : en
  • US2135095A - Lifesaving appliance : en
  • US2134707A - Hydraulic transmission : en
  • AU122738A - Improvement in lens : en
  • CH200910A - Process for the preparation of a nitrogen-containing aromatic aldehyde. : de en
  • CA377366A - Meat or cheese slicing apparatus : en fr
  • DE666892C - Method and device for the step-like drying of fibrous materials : de en
  • PL27229B1 - The method of producing dyes of the phthalocyanine series. : en pl
  • SU53986A1 - Device for maintaining the consistency of rotation of several electric motors : en ru
  • US2135292A - Amusement device : en
  • US2135462A - Process for recovering maize oil : en
  • CA377372A - Aluminum alloy : en fr
  • CH200628A - Method for wrapping threads and the like with elastic twine and a stack twister for carrying out the same. : de en
  • CH200716A - Device for dampening humming noises on electricity meters. : de en
  • CH200694A - Keyboard, in particular for booking and business machines. : de en
  • CH200746A - Machine for bending pieces of leather. : de en
  • CA377419A - Exothermic reaction control : en fr
  • CH200687A - Method and device for the production of electroplated rolled products. : de en
  • CH200871A - Conveyor system for small items, especially letters. : de en
  • US2135143A - Tube frame for axminster looms : en
  • US2135459A - Preparation of organic acids from olefines and carbon monoxide : en
  • AU105542B2 - Improvements in water spray distributing devices for watering gardens, lawns and the like : en
  • CH200599A - Extrusion press with venting device, for processing plastic, especially ceramic masses. : de en
  • US2134827A - Stereotype plate casting mold : en
  • AU189038A - Improvements in or relating to apparatus for making welded wire netting : en
  • US2135215A - Ventilation-control means for motor vehicles : en
  • USD111989S - Design for a bottle : en
  • PL27200B1 - Floating separation device. : en pl
  • US2134937A - Sound transmitting ventilator : en
  • US2135035A - Phonograph : en
  • DE667028C - Switching of pole-changing two-phase windings : de en
  • PL27271B1 - Electric lamp with a built-in fuse. : en pl
  • US2134769A - Water resistant zein composition : en
  • US2135240A - Spark plug : en
  • FR833943A - Liquid gas, oil and water : en fr
  • FR833871A - Manufacturing process of artificial leather : en fr
  • GB494684A - Improvements in and relating to cash counting trays : en
  • GB494853A - Improvements in the recovery of high molecular weight carboxylic acids or their salts : en
  • GB494988A - Improvements in or relating to liquid dispensing apparatus : en
  • GR7758B - PREPARATION FOR MAINTENANCE, WATERPROOFING AND INCREASED SKIN RESISTANCE AND SPECIAL WAY OF USE. : el en
  • GB494994A - Improvements in or relating to spectacles : en
  • FR833860A - Heat exchange process and device for implementing this process : en fr
  • GB494978A - Flexible transmission couplings : en
  • USD112026S - Design fob a dress ensemble : en
  • CH200749A - Pull-off straps for fine cutting, especially razors. : de en
  • US2135206A - Multiple ball control : en
  • CH200888A - Speed change hub for cycles. : en fr
  • DE666904C - Device for cooling rotating grinding disks : de en
  • FR833887A - Manufacturing process of transparent sheets in synthetic resins : en fr
  • CA377479A - Atomizer : en fr
  • CH200620A - Bed liners, in particular for cots. : de en
  • CA377385A - Universal joint : en fr
  • CH200652A - Process for flavoring denikotinized tobacco. : de en
  • AU105592B2 - Improvements in or relating toa fermentation process forthe preparation of paper-pulp from incrusted cellulose fibres : en
  • DE667058C - Device for the protection of supply lines laid underground or built into buildings against bomb explosions : de en
  • DE667150C - Hydraulic device for remote actuation, in particular of engine controls installed in aircraft : de en
  • AU105564B2 - Operating handles for doors, windows andthe like : en
  • US2135349A - Impregnation of materials : en
  • AU105543B2 - Device for adjusting the angular position ofan electric element relative to another electric element : en
  • AU200438A - Improvements in or relating to speed governing arrangements for internal combustion engines : en
  • CH200834A - Process for the introduction of luminescent substances into electric discharge vessels. : en fr
  • US2135178A - Closure for collapsible tubes : en
  • CA377370A - Hydraulic turbine propeller blade control : en fr
  • AU448937A - Improved method of producing a luminous picture by means ofan incandescent-screen tube : en
  • CA377430A - Hand brake lever : en fr
  • CH200650A - Machine for the production of plastic candy. : de en
  • CH200846A - Process for the preparation of nicotic acid morpholamide. : en fr
  • US2134936A - Motor compressor unit for refrigerating apparatus : en
  • PL27232B1 - Device for advance signaling for vehicles, especially motor vehicles. : en pl
  • US2134888A - Refrigeration : en
  • US2135039A - Electric discharge device : en
  • CH200618A - Sofa convertible into a bed. : de en
  • AU341237A - Improvements in corsets or girdles and corselets : en
  • CH200911A - Process for the preparation of a nitrogen-containing aromatic aldehyde. : de en
  • CH200657A - Apparatus for the production of anhydrous magnesium chloride. : de en
  • DE667132C - Snap action switch responsive to gas or liquid pressure : de en
  • PL27291B1 - A method of producing clad sheets. : en pl
  • US2135367A - Hot water heating device : en
  • GB494932A - Improvements in and relating to propelling magazine pencils : en
  • GB494947A - An improved process for the decomposition of ores containing tungsten and the like metals : en
  • US2135353A - Arcing electrode : en
  • US2134917A - Antiparasitic compositions : en
  • US2135008A - Water-insoluble azo dyestuffs : en
  • USD112009S - Design fob a shoe ob similab article : en
  • CH200873A - Trailers for automobiles. : de en
  • CH200914A - Process for the production of an imidazole. : de en
  • US2135431A - Means for controlling the supply of supplementary liquids to power generating devices : en
  • USD112027S - Design fob a dress : en
  • DE666882C - Device for moving objects, especially for display objects : de en
  • DE667149C - Process for the production of pinewood tweak : de en
  • US2135465A - Continuous casting of metal shapes : en
  • US2135171A - Wave demodulating means : en
  • AU105605B2 - Improvements in or relating to circuit breakers : en
  • US2135080A - Jack : en
  • DE667070C - Process for the production of pure copper : de en
  • PL27235B1 - A method of electrolytic production of metal coatings. : en pl
  • US2134873A - Chart mounting for recording instruments : en
  • US2134928A - Cycle calendar : en
  • US2134915A - Ironing machine : en
  • FR833793A - Advanced junction staple for belts and other uses : en fr
  • GB494886A - Improvements in and relating to electric thickness gauges : en
  • USD112014S - Design for a shoe or similar article : en
  • AU105561B2 - Improvements in or relating to apparatus for making welded wire netting : en
  • AU105586B2 - Improved photographic printing apparatus : en
  • USD111948S - Design for a bowl or similar article : en
  • USD111972S - Design for an air circulator : en
  • SU54106A1 - Method of making carborundum electric heaters : en ru
  • US2135379A - Attachment for a hay baler : en
  • PL27284B1 - Automatic pistol. : en pl
  • US2135454A - Catalyst preparation : en
  • USD112012S - Design fob a faucet connection : en
  • AU458137A - Improvements in or relating to magnesium oxide products and method of making thesame : en
  • CH200883A - Assembly formed by a cycle wheel hub and its axle. : en fr
  • US2135081A - Soaking silk yarns : en
  • US2135280A - Hinge : en
  • CA377404A - Enlarging printer film gate : en fr
  • CH200926A - Process for the preparation of a chromable anthraquinone dye. : de en
  • USD111952S - Design for a chair seat : en
  • PL27218B1 - Metal cartridge belt. : en pl
  • US2135107A - Apparatus for reforming rail ends : en
  • US2135007A - Distributor for fluid pressure brake systems : en
  • US2134883A - Road roller : en
  • US2135077A - Floor lime spreader : en
  • US2135057A - Fabric belting : en
  • AU90338A - a A process of treating glass to prevent condensation thereon : en
  • PL27335B1 - Steam production method. : en pl
  • PL27222B1 - Device for emptying removable trash cans. : en pl
  • US2134980A - Washing machine driving mechanism : en
  • USD112029S - Design for a dress : en
  • CA377423A - Interlocking fastener : en fr
  • US2134929A - Cloth doll with sleeping eyes : en
  • DE667100C - Process for the manufacture of V-belts from fiber materials and rubber : de en
  • FR833926A - Aircraft upgrades : en fr
  • GB494866A - Improvements in heating and ventilating apparatus : en
  • FR833811A - Improvements in compositions for coatings and process for preparing said compositions : en fr
  • CH200720A - Steel tone machine. : de en
  • CH200786A - Control device for flow tube steam generator. : de en
  • PL27348B3 - A device that allows rubbish to be poured without generating dust. : en pl
  • US2135147A - Tube frame for axminster looms : en
  • USD112017S - Design for a dress ensemble : en
  • US2134760A - Molded composition : en
  • DE667019C - Device for the continuous pulling off of the conical bobbin case from contactor spindles : de en
  • CA377480A - Insulator for handled vessels : en fr
  • US2135393A - Machine for hulling nut meats from their shells : en
  • CH200717A - Computing device on cash registers and computing office machines. : de en
  • PL27351B1 - : en pl
  • US2134777A - Solenoid : en
  • US2134996A - Refrigerating machine of the absorption type : en
  • US2135042A - rossmann : en
  • CA377399A - Photographic colour process and film : en fr
  • CA377451A - Railway car side : en fr
  • CH200867A - Device for anchoring tents, masts, camouflages, etc. by means of a pulling element located on these objects and inclined towards the standing plane. : de en
  • US2135098A - Let-off mechanism for looms : en
  • US2135245A - Casting machine : en
  • US2135356A - Extraction of benzene and its homologues from gases containing ammonia : en
  • US2135407A - Apparatus for washing and refilling boilers : en
  • US2135428A - Mastic tile : en
  • DE667094C - Device for the mutual exchange of power between an alternating current network and a direct current network : de en
  • DE661655C - Protection device for eccentric presses : de en
  • DE666916C - Device for remote control of multi-phase electrical equipment : de en
  • GB494961A - Locking aircraft control surfaces : en
  • GB494986A - Improvements in and relating to the grinding of screw threads : en
  • GB495005A - Improvements in or relating to current collectors for electric vehicles : en
  • US2134833A - Display sign : en
  • US2135010A - Regulator : en
  • AU105610B2 - Method of charging an internal combustion engine with fuel, air andan inert gas or vapour : en
  • GB494775A - Improvements in and relating to blocks for pulley tackles : en
  • US2135001A - Fuel heating and vaporizing system for internal combustion engines : en
  • US2135324A - Gyratory crushing machine : en
  • CH200724A - Device for controlling a clockwork movement. : en fr
  • CH200705A - Parachute. : en fr
  • CA377421A - Slide fastener : en fr
  • CH200638A - Smoothing arm. : de en
  • CA377391A - Powdered chemical substance separation : en fr
  • AU105556B2 - Improved method of manufacturing electrodes with a high secondary emission : en
  • US2134803A - Relief valve for power transmissions : en
  • US2135297A - Spark plug : en
  • CA377492A - Glassware forming machine : en fr
  • PL27278B1 - A method of coating the surface of a woven, knitted, braided material, etc., a layer of rubber and an apparatus for carrying out this method. : en pl
  • US2135312A - Electric vibrator and heater : en
  • US2135438A - Clasp brake : en
  • USPP301P - dramm : en
  • USRE20900E - Design fob an airplane : en
  • CH200816A - Device for delivering current to the cathode of an electric discharge device. : en fr
  • PL27288B1 - Device for damping vibrations of engines with radial arrangement of cylinders. : en pl
  • US2134704A - Field photostating apparatus : en
  • US2134852A - Dispensing apparatus : en
  • PL27240B1 - Foldable screwdriver. : en pl
  • US2135377A - Telegraph transmitter : en
  • PL27257B1 - Machine for the preparation of ripple strips, processed on wool, cotton, hemp and flax carding machines, for removing foreign bodies from them. : en pl
  • CH200772A - Multi-stage high pressure centrifugal pump with two-part housing. : de en
  • US2134759A - Cooking utensil : en
  • PL27285B1 - A method for the production of cyclic sulfamide compounds. : en pl
  • PL27202B1 - The shell of a receiving or transmitting sound device. : en pl
  • US2135406A - Method of and apparatus for coating paper : en
  • US2135422A - Tree clamp or cup protector : en
  • CH200692A - Process for the production of hollow printing forms, in particular for globes. : de en
  • GB494936A - Improvements in or relating to fuselages for aircraft : en
  • GB495071A - Improvements in or relating to paper or like containers : en
  • US2135053A - Centrifugal fan : en
  • US2135364A - Strip fastener release : en
  • US2135475A - Making crystalline monocalcium phosphate : en
  • AU105571B2 - Improvements in and relating to illuminated dials more particularly for radio apparatus : en
  • CA377363A - Fluid pressure control means : en fr
  • US2134959A - Mineral oil products : en
  • USD112031S - Design for a dress : en
  • AU105606B2 - Clamp setter for adjusting railway rails for welding : en
  • CH200828A - Device for making objects in factories, vehicles, etc. visible in the dark. : de en
  • AU306137A - Operating handles for doors, windows andthe like : en
  • CA377380A - Cable clamp : en fr
  • CH200794A - AC motor with a gas-tight rotor sealed from the rest of the motor interior, especially for driving refrigeration machines : de en
  • US2134931A - Automatic hitch and brake mechanism : en
  • PL27193B1 - Electric lamp. : en pl
  • PL27205B1 - Furnace for drying, roasting, degassing or coking loose materials. : en pl
  • US2135040A - Turbine blade tenon spinning machine : en
  • US2135450A - Preparation and recovery of aliphatic esters : en
  • USD111991S - Design fob a coat : en
  • DE655023C - Roll body bearing : de en
  • CH200837A - Earmuffs, especially for the air force and artillery military. : de en
  • CA377498A - Shoe counter manufacture : en fr
  • CA377394A - Optical lens : en fr
  • AU447237A - Improvements in and relating to electric water heaters and steam boilers : en
  • AU105577B2 - Conversion of carbon monoxide with hydrogen into hydrocarbons or their oxygen-containing derivatives : en
  • CH200769A - Two-stage piston compressor with three cylinders. : de en
  • FR833753A - Corner pieces for coupled sash windows : en fr
  • FR833935A - Remote transmission system of an augular movement or an uninterrupted rotation : en fr
  • FR833897A - Stackable Cellular Egg Rack : en fr
  • DE666940C - Conversion of agricultural wagons : de en
  • DE666943C - Bicycle bell with swing mechanism : de en
  • DE667169C - Cigar matting machine : de en
  • GB494910A - Improvements in and relating to lehrs for flat glass : en
  • GB494939A - Improvements in and relating to arrangements for automatically controlling the volume in radio receivers : en
  • CH200912A - Process for the preparation of androstenediol-3,17-monotrityl ether-3. : de en
  • DE666893C - Note tree storage : de en
  • CH200647A - Shoe floor smoothing machine. : de en
  • CH200792A - Housing for accommodating small transformers with their connection terminals. : de en
  • BE430005A - : en fr
  • CH200747A - Device for automatic compensation of pitch errors in screw spindle gears for generating precise longitudinal movements of machine slides, especially in machine tools for thread production. : de en
  • US2134691A - Electric communication network : en
  • GB494885A - Improvements in or relating to pressing, bending or veneering wood : en
  • CH200616A - Device for fixing one object to another. : en fr
  • DE666947C - Circuit arrangement for telecommunication, in particular telephone systems : de en
  • AU105559B2 - Improvements in ring clamp fasteners for heads of steel barrels : en
  • US2134800A - Treadle switch : en
  • US2135427A - Treatment of still residue : en
  • CH200632A - Shuttle for all kinds of looms. : en fr
  • CH200708A - Mitrailleur off-road vehicle. : de en
  • US2135414A - Fish spear : en
  • PL27300B1 - A device for grinding with a blast screen and the method of its drive. : en pl
  • US2135018A - Apparatus for the training of the muscles : en
  • US2135446A - Process for transferring markings : en
  • CA377449A - Railway house car : en fr
  • CH200808A - Electrical circuit breaker with arc extinguishing by a flowing extinguishing agent, especially high-voltage switch. : de en
  • PL27238B1 - Centrifugal pump. : en pl
  • GB494920A - A new or improved case or container for cigarettes : en
  • US2134846A - Display device : en
  • US2135055A - Hair waving apparatus : en
  • CH200817A - External electrode for electrical discharge vessels. : de en
  • CH200885A - Stand device for bicycles and similar vehicles. : de en
  • GB495018A - Improvements in nursery or like toilet trolleys, service wagons or the like : en
  • GB494862A - Process for the manufacture of strips or sheets of metal for tins for preserves, metal packings and the like : en
  • GB494733A - Improvements in or relating to brake and acceleration testing means : en
  • US2134939A - Undergarment : en
  • US2135222A - Coupling : en
  • US2135303A - Selective dash tire pressure indicator : en
  • FR833884A - Process for the separation of compounds containing active oxygen, diluted in liquids, vapors or gases : en fr
  • AU4438A - Vacuum cleaner : en
  • AU451837A - Improvements in or relating to the operation of mechanical devices and to cartridges and charges therefor : en
  • GB494956A - Improvements in or relating to precious metal articles : en
  • GB495093A - Improvements in gas fired geyser type water heaters : en
  • AU105611B2 - Improvements in and relating tothe tempering of glass : en
  • CH200931A - Arrangement with discharge tube. : de en
  • GB495030A - Improvements relating to dynamo regulators : en
  • GB494894A - Improvements in helical chutes for bulk goods : en
  • GB494834A - Improvements in or relating to the extraction of bituminous or brown coal and like solid carbonaceous materials with solvents at high temperatures : en
  • FR833769A - Manufacturing process of side frames for wooden boxes : en fr
  • FR833824A - Scale plow : en fr
  • GB494959A - Improvements relating to the regulation of dynamos : en
  • FR833822A - Method and device for reducing energy consumption during the blowing of liquid molten materials : en fr
  • GB495180A - Improvements in road traffic control systems : en
  • DE667022C - Weft wire tensioning device for wire looms : de en
  • GB494889A - Improvements in or relating to fuel feeding devices for internal combustion engines : en
  • GB495017A - An improvement in or relating to yarn winding machines : en
  • FR833785A - Tuning system for high frequency signaling circuits : en fr
  • FR833826A - Drive wheel with motor carried by this wheel for motor vehicle : en fr
  • GB494748A - Polymerised organic compounds and their manufacture : en
  • DE667066C - Electromagnet : de en
  • US2134740A - Coat hanger and pants support : en
  • US2135179A - Smoker's pipe with removable adjustable cover : en
  • DE667194C - Settlement construction with rows of apartments and walkways on top of one another : de en
  • DE666210C - Locking device for the slide of telescope-like collapsible umbrella sticks : de en
  • DE667113C - Toy with spring mechanism and a bubble switch : de en
  • GB494954A - Improvements in or relating to speed-responsive governors for controlling fuel injection systems for internal combustion engines : en
  • GB494917A - Improvements in or relating to variable impedance devices : en
  • FR833944A - Coloring process for color photographs and films : en fr
  • GB494832A - Improvements in electric high-pressure metal-vapour discharge tubes : en
  • FR833886A - Repeater for phonographs : en fr
  • US2134858A - Clamping device : en
  • US2135119A - Airplane device : en
  • DE666956C - Device for monitoring the oil cover in gas containers : de en
  • FR833905A - Slave ammeter acceleration relay : en fr
  • DE666996C - Method and device for determining the fineness of substances that can be suspended in liquids : de en
  • PL27224B1 - ftezkorfcewa piston machine with counter-rotating pistons in one cylinder. : en pl
  • US2135047A - Method for cutting agatized petrified wood : en
  • US2135335A - Shoe heel member : en
  • DE667067C - Gas-filled discharge vessel serving as a rectifier : de en
  • US2135164A - High tension expulsion fuse : en
  • US2135326A - Method of assembling electric insulators : en
  • DK55401C - Portable threshing machine with associated straw baler. : da en
  • GB494798A - Improvements in or relating to advertising and display devices : en
  • GB495000A - Improvements in automobile engine starters : en
  • USD111987S - Design for a fuel tank structure : en
  • GB494892A - An oscillatory wet mill : en
  • CH200623A - Clothes rack. : de en
  • CH200855A - Public address system. : de en
  • USRE20907E - Method of making friction elements : en
  • US2135425A - Paevt oil : en
  • US2134721A - Steering mechanism : en
  • US2134767A - Charge diluting attachment for engine intake manifolds : en
  • US2135439A - Concrete-mixing apparatus : en
  • BE430268A - Continuous process for the preparation of highly concentrated nitrogen acid : en fr
  • DE666993C - Wide-span shed roof construction : de en
  • FR833805A - Watering apple : en fr
  • DE667021C - Weft search device for looms : de en
  • US2134765A - Clamp nail or fastener : en
  • US2134784A - Automobile body construction : en
  • CH200681A - Process for the preparation of a new monoazo dye. : de en
  • PL27293B1 - : en pl
  • FR833899A - Method and apparatus for air conditioning : en fr
  • DE666953C - Methods and apparatus for producing, copying and reproducing optical sound recordings : de en
  • US2134733A - Suction gatherer : en
  • US2134778A - Viscosity regulator : en
  • US2135101A - Air conditioning system : en
  • US2135129A - Apparatus for arc welding : en
  • CH200826A - Magnetron tube with at least two anode segments. : de en
  • CH200722A - A method of molding an optical element, and an optical element obtained by means of this method. : en fr
  • FR833819A - Diazotization dyes and their production process : en fr
  • GB494821A - Controlling device for battery charging apparatus : en
  • GB494704A - Improvements in apparatus for shaping grinding wheels : en
  • US2134742A - Supercharger for gas engines : en
  • US2134897A - Automatic mixing and fine-grinding mill for chocolate, colors, etc. : en
  • US2135173A - Remodeled shoe last : en
  • US2135211A - Plumb bob : en
  • DE667031C - Arc welding electrode : de en
  • US2134764A - Plasmc : en
  • US2134781A - Smoker's pipe : en
  • USD112025S - Design for a dress : en
  • USD111973S - Design fob a game board : en
  • CH200630A - Device for braking the threads in textile machines, in particular warping machines. : de en
  • GB494837A - Improvements in driving gear for automatic lathes : en
  • GB494976A - Improvements in or relating to boring or drilling tools : en
  • DE667195C - Method of making plywood panels : de en
  • CA377414A - Heel lift cutting machine : en fr
  • AU157837A - Method and apparatus for recovering valuable constituents from citrus fruit : en
  • US2134700A - Separation of hydrocarbons : en
  • DE667040C - Device for fixing dental arches, jaw fracture splints or the like on toothed rings by means of a resilient loop and pliers for producing the device, formed from the ends of the straightening arch and insertable into a tube fastened horizontally on the toothed ring : de en
  • US2134861A - Safe and liner therefor : en
  • US2135246A - Variable speed gearing : en
  • US2135386A - Closure for containers : en
  • DE654688C - Process for the production of long-life animal feed : de en
  • DE666972C - Expansion switch : de en
  • GB495009A - Improvements in electric oscillating devices having a piezo-electric crystal suspended in a bulb : en
  • AU110305B2 - Improvements in and relating to electric lamps : en
  • GB494883A - Improvements in and relating to load carrying apparatus for transport on the person : en
  • DK55392C - Machine for drawing cards, sheets and similar objects from the underside of a stack. : da en
  • US2135185A - Pattern mechanism for knitting : en
  • GB494816A - Improvements in or relating to couch-beds or the like articles of furniture : en
  • US2134981A - Power unit for washing machines : en
  • US2135013A - Clamping means for folders : en
  • US2135044A - Pour inhibitor and method of manufacturing the same : en
  • US2135000A - Round corner : en
  • DE667048C - Paper cigar tip with a coating of glue in the spigot end : de en
  • US2134705A - Means for securing sheathing to metal : en
  • US2134896A - Electron discharge device : en
  • US2134932A - Gyrocompass : en
  • US2134757A - Control system : en
  • GB494964A - Improvements in or relating to the treatment of textile materials : en
  • FR833817A - Cartridge for pneumatic tubes : en fr
  • FR833918A - Calculation apparatus more particularly for topographic operations : en fr
  • USRE20908E - Friction element : en
  • CH200810A - Control switch with momentary switching. : de en
  • FR833863A - Process for the manufacture of a powdered product for stopping the flow of blood, by sealing and mechanically protecting wounds : en fr
  • GB494790A - Improvements in and relating to apparatus for operating windscreen wipers : en
  • GR7757B - SPECIAL BEACLESS LEAF FOR ALCOHOL FUEL FOR COMMON FURNITURE. : el en
  • BE430414A - : en
  • CA377395A - Combustion train element and fuse : en fr
  • US2134828A - Spring lock : en
  • PL27286B1 - A smooth-barrel projectile with saw blades and a tail in which the expelling charges are placed. : en pl
  • US2135272A - Mail crane and means for operating the same : en
  • US2135334A - Process of aging and pickling meat and the like : en
  • GB495105A - Improvements in photographic papers having stripping substrata : en
  • DE666955C - Stocking top : de en
  • FR833841A - Vending machine for potato planting machines : en fr
  • GB494953A - Improvements in and relating to distributors for hydraulically controlled injectors in liquid fuel injection systems for internal combustion engines : en
  • FR833782A - Casing straightening machine : en fr
  • FR833770A - Electric discharge tube : en fr
  • US2134696A - Illuminated switch : en
  • US2134829A - Mold : en
  • US2135131A - Sensitive door edge structure : en
  • US2135435A - Electrical apparatus : en
  • FR833788A - roller bracket for hanging curtains and the like : en fr
  • FR833810A - Method and device for reversing the operation of marine propulsion machinery with polyphase currents : en fr
  • GB494833A - Process for rendering textiles water-repellent : en
  • GB494946A - Improvements in desiccation : en
  • US2134976A - Garment and fastening means : en
  • DK55389C - Method and Apparatus for continuous steam distillation of liquids with a high boiling point. : da en
  • FR833906A - Combined wad and powder charge for hunting ammunition : en fr
  • GB494871A - Improvements in the manufacture and production of substances having tanning action : en
  • DE1430912U - : de en
  • GB494867A - Improvements in and relating to processes for the production of of cellulose films, threads and the like : en
  • GB494742A - Manufacture of hydroxy-trimellitic acid : en
  • GB494948A - Improvements relating to electric cables : en
  • FR833756A - Wrinkle-resistant products and processes for making them : en fr
  • CH200913A - Process for the preparation of an imidazole. : de en
  • DE667110C - Device for roughening played tennis balls : de en
  • DE667144C - Balanced bellows expansion compensator : de en
  • FR833881A - Pore filler block designed to mechanically and simultaneously ensure the filling and waterproofing of wood and other porous materials : en fr
  • GB494810A - Improvements in electric battery lamps : en
  • GB494979A - Improvements in and relating to radio frequency receiving systems : en
  • GB494694A - Improvements in or relating to gas pressure electric cables : en
  • GB494928A - Method of deacidifying and drying of retted flax : en
  • US2134965A - Brush for venetian blinds : en
  • US2135387A - Coating iron or steel articles with aluminum : en
  • CH200798A - High voltage switchgear cell. : de en
  • FR833831A - Method for sensitizing silver halide emulsions : en fr
  • GB494895A - Improvements in sight correction devices for guns firing against moving targets : en
  • DE666963C - Indirectly heated smoldering furnace : de en
  • FR833864A - Reflector system for illuminating an elongated rectangular field : en fr
  • PL27338B1 - A method of making mats from glass fibers or similar inorganic fibers, and an apparatus for carrying out the method. : en pl
  • USD112030S - Design for a dress : en
  • US2134750A - Railroad anticreeper : en
  • US2135235A - Air heater : en
  • USD111978S - Design for an automobile exhaust : en
  • US2134794A - Temperature-independent oscillatory circuits : en
  • GB494941A - Improvements in or relating to presses for extruding metal : en
  • GB494992A - Improvements in and relating to fountain pens : en
  • GB495014A - Improvements in maternity belts and the like : en
  • ES144152A2 - A CALORIMETRIC CONTROL PROCEDURE, ESPECIALLY FOR THE POULTRY INDUSTRY, AND DEVICES FOR ITS APPLICATION : en es
  • ES144164A1 - Procedure for obtaining a substitute for coffee, from soybeans. : en es
  • US2135288A - Machine for making filament supporting structures : en
  • US2135461A - Portable ventilating attachment for radiators : en
  • FR833816A - Process for manufacturing photographic papers by development : en fr
  • US2134848A - Tractor plow : en
  • US2135110A - Power apparatus : en
  • GB494995A - Improvements in coil arrangements for electric traffic counting apparatus and the like : en
  • US2134963A - Plaster bandage : en
  • USD111986S - Camera or similar article : en
  • DE667049C - Friction wheel lighter with a Loeschkappentraeger, which is linked to a pressure lever and can be thrown open under the action of a spring, and which carries the friction wheel : de en
  • FR833803A - Helical elastic ring for piston packing : en fr
  • GB494875A - Improvements in or relating to lintels in the construction of buildings : en
  • GB494908A - Improvements in or relating to folding seats : en
  • DE666914C - Circuit for grid rectifier : de en
  • GB494869A - Improvements in or relating to the scavenging of the cylinders of two-stroke internal combustion engines : en
  • DE667014C - Device for the independent implementation of the landing process of an aircraft : de en
  • PL27313B1 - A method for the separation of ground minerals and a device for using this method. : en pl
  • US2135050A - Rail flaw detector mechanism : en
  • US2135201A - Gas cleaner : en
  • DE667193C - Curtain rod holder for window curtains : de en
  • GB494949A - Method of and apparatus for producing corrugated patterns in textile fabrics : en
  • AU105603B2 - Improvements relating to displacer boxes for use inthe construction of concrete floors : en
  • CH200901A - Process for the production of androsterone benzoate. : de en
  • DE667151C - Device for grinding helical cone milling cutters : de en
  • FR833889A - Removable and extendable construction suitable for use as a hangar and for other applications : en fr
  • USD111957S - Design fob a bottle : en
  • US2135267A - Electrical plug and socket : en
  • CH200748A - Grinding and polishing apparatus. : de en
  • US2135359A - Suspension insulator : en
  • GB494779A - Improvements relating to handles for cooking utensils : en
  • US2135281A - Shock absorber : en
  • US2135436A - Apparatus for mixing concrete and the like : en
  • GB494693A - Improvements in absorption refrigerating machines : en
  • GB494773A - Process for the manufacture of compounds of the cyclopentano-polyhydrophenanthrene series : en
  • AU454237A - Matching networks : en
  • AU210838A - Wagon scraper : en
  • CH200700A - Device for the encryption and decryption of messages to be transmitted according to codes which vary as a function of time. : en fr
  • CH200859A - High-frequency amplifier with at least two cascade-connected oscillating circuits coupled by means of an amplifier tube and tuned to the same frequency. : de en
  • CH200936A - High frequency cable line. : de en
  • US2134834A - Compressor : en
  • US2135108A - Manufacture of gasoline and coke : en
  • CH200690A - Device for moistening the fingers. : de en
  • US2135447A - Ester synthesis process : en
  • AU105572B2 - Improvements in and relating to the fastening of knobs on adjustable spindles : en
  • US2134812A - Valve handle : en
  • US2135061A - Fluid meter tester : en
  • US2135041A - Display device : en
  • US2135221A - Coupling : en
  • AU105568B2 - Improved method of producing a luminous picture by means ofan incandescent-screen tube : en
  • US2134795A - Magnetic structure for dynamoelectric machines : en
  • US2135417A - Adapting sheet metal for receiving bolts, screws, or the like : en
  • PL27199B1 - Lattice scissor pole. : en pl
  • US2134723A - Press for attaching rubber trim : en
  • CA377505A - Electrical vibratory apparatus : en fr
  • AU52538A - Improvements in or relating to electric discharge tubes ofthe pentagrid or octode type : en
  • US2135121A - Brake arrangement : en
  • CA377473A - Land surveyor's stake : en fr
  • PL27247B1 - A method of etching objects made of zinc alloys containing copper in order to give them a shiny surface. : en pl
  • PL27308B1 - A device for the electrowinning of potassium hydroxides and chlorine. : en pl
  • US2135024A - Drill : en
  • US2134752A - Method of making resistor elements : en
  • CA377384A - Passive hydraulic medium : en fr
  • DE666997C - Method for determining the content and composition according to grain sizes of grain mixtures suspended in liquids or gases : de en
  • DE667099C - Spray plastering device with clamps attached to a rotatable roller and offset from one another : de en
  • AU105589B2 - Improvements in volume control circuits : en
  • US2135105A - Latch : en
  • USRE20903E - Clutch : en
  • AU105570B2 - Improvements in or relating to electrical control apparatus for radio transmitter and the like : en
  • BE430021A - : en
  • US2135025A - Butter mold : en
  • AU483638A - A method and arrangement for producing glide paths for aircraft by comparing antenna field intensities : en
  • CH200764A - Process for lining flexible metal pleated pipes with a rubber jacket and pleated pipe manufactured according to this method with a raw rubber lining. : de en
  • CH200924A - Process for the production of a condensation product. : de en
  • US2135249A - Distributor head for stokers : en
  • US2135172A - Shoe last : en
  • CH200635A - Device for introducing a fabric, paper or similar product into a machine. : en fr
  • PL27274B3 - Floating outflow pipe attachment for sedimentation tanks with variable water levels in the treatment chamber. : en pl
  • CA377493A - Non-refillable bottle : en fr
  • CH200680A - Process for the preparation of a new monoazo dye. : de en
  • CH200658A - Process for the preparation of androstenol-3-one-17. : de en
  • USD112024S - Design for a dress or similar article : en
  • US2135467A - Variable pitch sheave : en
  • GB494840A - Improvements in and relating to golf practising devices : en
  • US2134741A - Pigmented synthetic resin composition : en
  • CH200644A - Shoe. : de en
  • US2134788A - Electric light reflector : en
  • US2135196A - Window regulator mechanism : en
  • CH200923A - Process for the production of a condensation product. : de en
  • CH200929A - Shock-absorbing bearing for watchmaking mobile. : en fr
  • CH200649A - Oven. : de en
  • CH200643A - Garnish or ornamental body. : de en
  • DE667026C - Circuit arrangement for amplifying current surges : de en
  • GB494996A - Improvements in or relating to refrigerating machines : en
  • PL27255B1 - System for automatic switching off of the radio transmitter. : en pl
  • US2134982A - Track circuit for railroads : en
  • US2135104A - Method for the treatment of dried cassava roots to obtain starch : en
  • CH200932A - Process for the pure representation of compounds of the androsten series. : de en
  • AU105538B2 - Method and apparatus for recovering valuable constituents from citrus fruit : en
  • BE430373A - : en fr
  • CH200835A - Device for supplying electric discharge tubes by means of alternating current. : en fr
  • US2134874A - Valve handle securing device : en
  • US2134893A - Closure for containers : en
  • US2135177A - Margin-regulating stop : en
  • US2135381A - Aeroplane propeller drive mechanism : en
  • CH200925A - Process for the preparation of a chromable anthraquinone dye. : de en
  • DE667135C - Anti-rust paint containing chromium compounds : de en
  • CH200686A - Plant for the extraction of compost soil. : de en
  • AU454637A - Improvements in or relating toa process forthe fermentation of organic matter : en
  • CH200736A - Device for vertical displacement and clamping of the boom of radial drilling machines. : de en
  • GB494788A - Improvements in or relating to carburettors for internal combustion engines : en
  • GB494872A - Improvements in and relating to typographical composing and distributing machines : en
  • CA377378A - Flexible wire tubing : en fr
  • CH200930A - Method and device for applying material to bodies of elongate shape. : de en
  • PL27344B1 - Method of making insulation material from leather waste. : en pl
  • US2135062A - Preparation of aromatic dihydro dicarboxylic acids : en
  • PL27297B3 - A driving device in electric vehicles, in particular powered by electricity from the mains. : en pl
  • US2135468A - Solvent refining with nitroalcohols : en
  • CH200715A - Apparatus for finding current losses in alternating current power lines. : en fr
  • CH200791A - Process for the production of a depolarization mass. : de en
  • GB494754A - Method and apparatus for electrically measuring the thermal conductivity of gases : en
  • GB494902A - Improvements in or relating to steering gear for vehicles : en
  • AU86938A - Display container for articles of merchandise : en
  • CA377450A - Railway house car : en fr
  • CH200663A - Process for the preparation of a new quaternary ammonium salt. : de en
  • CH200803A - Device for watertight connection of shielded cables. : de en
  • CH200875A - Foot-operated control for road vehicles fed from an overhead line. : de en
  • DE667136C - Firebox for oil firing : de en
  • PL27329B1 - Starter motor for internal combustion engines, especially with a spinning flywheel. : en pl
  • IE15405L - Alloy steel : en
  • PL27307B1 - Automatic firearm with a removable barrel. : en pl
  • AU105613B2 - Improvements in or relating to car trucks : en
  • GB494683A - Process and furnace for the heating of fluids : en
  • GB494940A - Improvements in the manufacture of separable slide fasteners : en
  • PL27270B1 - Christmas tree stand. : en pl
  • USD111975S - Design for a finger ring : en
  • US2134867A - Corn harvester gathering mechanism : en
  • USD111979S - Design fob an automobile exhaust : en
  • US2135198A - Transmitter modulation : en
  • US2134813A - Track aligning tool : en
  • US2134904A - Combination baby carriage or crib and play-yard : en
  • USD112000S - Design tor a burial casket shell : en
  • US2135195A - Turntable for wheel aligners : en
  • USD111969S - Design for a cigaeette container : en
  • DE666975C - Device for maintaining the synchronization of electromotive drives of conveyor belts : de en
  • CH200701A - Folded object, in particular printed land or other maps. : de en
  • PL27272B1 - Cigarette tube. : en pl
  • US2134710A - Method and apparatus for exhausting tubes : en
  • US2134806A - Oil gauge rod wiper : en
  • US2135097A - Trailer : en
  • US2135182A - Game apparatus : en
  • US2134855A - Hood for baby carriages : en
  • DE666945C - Gas cylinder check valve : de en
  • GB494814A - Improvements in or relating to electron discharge devices : en
  • CA377439A - Centrifugal separator : en fr
  • CA377482A - Transparent mounting device : en fr
  • DE667107C - Flash device : de en
  • GB495089A - Improvements in paper bags : en
  • FR833907A - Systems using cathode ray oscillographs : en fr
  • PL27215B1 - A method of revealing iron cracks in the walls of holes, especially rivet and screw holes. : en pl
  • US2135286A - Sleeping garment : en
  • US2135209A - Latch : en
  • US2135373A - Magnetic loom : en
  • GB495010A - Improvements relating to drafting devices : en
  • GB494781A - Improvements in and relating to combustion apparatus provided with thermostatically controlled draught regulating means : en
  • GB494807A - Improvements in or relating to road rollers : en
  • US2134856A - Flashlight : en
  • US2135115A - Current motor : en
  • US2135301A - Road vehicle construction : en
  • AU105614B2 - Improvements in radio direction finders and course indicating devices : en
  • DE666995C - Roestofen : de en
  • DE666927C - Procedure for determining the humidity inside large quantities of material : de en
  • PL27204B1 - A method of television broadcasting of images. : en pl
  • US2134823A - Ladder holder : en
  • DE666902C - Counter drive for adding machines : de en
  • DE667012C - Process for the production of security paper, banknotes, documents, textiles or similar materials with secret identification : de en
  • GB495006A - Improvements in and relating to devices for sharpening safety razor blades : en
  • DE667016C - Process for the production of artificial ring-shaped hoses, so-called wreaths : de en
  • US2134975A - Staging : en
  • US2135260A - Apparatus for imparting shunt speed characteristics to polyphase commutator motors : en
  • US2134730A - Pipe or tube protector : en
  • US2134991A - Mucking machine dipper : en
  • US2135169A - Collar holder : en
  • US2134820A - Telegraph repeater : en
  • GB494705A - Improvements in method of producing hard cemented carbide : en
  • US2134933A - Stop mechanism for presses : en
  • US2134953A - Box loom : en
  • US2135271A - Method of recovering olefin oxides from gaseous mixtures and hydrolyzing to form corresponding glycols : en
  • USD111968S - Design fob a child s step-up stool : en
  • FR833930A - Advanced wire winding machine : en fr
  • GB495027A - Improved composition of materials containing silicon or metallic silicon alloy which composition is fired : en
  • GB495086A - Improvements in or relating to apparatus for internally deincrustating pipe lines : en
  • US2134735A - Fluid operated apparatus for the delivery of a fluid or semifluid material : en
  • US2134885A - Dust seal for gyratory crushers : en
  • US2135410A - Teapot : en
  • DK55402C - Beet and potato unloading machine. : da en
  • FR833779A - Distribution controlled by rolling levers for steam locomotives : en fr
  • FR833867A - Device for performing business calculations : en fr
  • GB494711A - Improvements in means for raising fixed floor boards : en
  • US2135088A - Treating textile yarns and products therefrom : en
  • PL27343B1 - Sound reproduction recorder and reproduction apparatus with a circulating, coiled sound carrier placed on a horizontal turntable. : en pl
  • DE666989C - Process for the production of workpieces which are provided with hard metal supports : de en
  • CH200589A - Reinforced concrete tank intended to contain liquids immiscible with water. : en fr
  • CH200739A - Process for achieving a well-defined cube texture in iron-nickel alloys with more than 30% nickel. : de en
  • CH200805A - Control panel for buildings, e.g. B. Churches and hall buildings. : de en
  • CH200869A - Machine for the production of bundles from rod-shaped objects, such as stump ropes, which are combined into groups. : de en
  • DE667079C - Schulzsch design tube dryer : de en
  • IE15745L - Fuses for projectiles : en
  • GB494906A - Improvements relating to soldering fluxes : en
  • PL27259B1 - Water boiler with natural circulation. : en pl
  • PL27243B1 - Rotary duplicator. : en pl
  • US2135188A - Moving stairway : en
  • CH200757A - Ashtray. : de en
  • CH200899A - Device for the quick fastening of fabrics, cardboard and the like on masonry, metal and wood. : de en
  • CH200672A - Process for the production of a new azo dye. : de en
  • GB494740A - A composition for destroying vermin or other noxious organisms : en
  • US2134934A - Dental implement : en
  • USD111951S - Design fob a relish dish or sevddlar : en
  • CA377373A - Aluminum alloy : en fr
  • US2135346A - Process for the preparation of aminoanthraquinone sulphonic acids and new compounds obtainable thereby : en
  • DE667098C - Air heater : de en
  • GB494692A - Improvements in or relating to electric steam-raisers of the electrode type : en
  • GB494896A - Variable electric circuit element : en
  • US2135389A - Cement and iron combined post base : en
  • USD112010S - Design for a tie : en
  • FR833783A - Building materials and its manufacturing process : en fr
  • US2135282A - Power transmission device : en
  • US2135448A - Organic acid synthesis : en
  • US2135299A - Press : en
  • CH200917A - Process for the preparation of an aminosulfone. : de en
  • US2134853A - Method of making bent pipe elements : en
  • US2135400A - Highway guard : en
  • DE667047C - Hook lock for belts, chains or the like with a shaft arranged in a locking sleeve so that it can be pulled out against the action of a spring : de en
  • GB494812A - Device for mounting balls in multiple row bearings : en
  • ES144153A2 - A CALORIMETRIC CONTROL PROCEDURE, ESPECIALLY FOR THE POULTRY INDUSTRY, AND DEVICES FOR ITS APPLICATION : en es
  • CH200676A - Process for the preparation of a water-soluble monoazo dye. : de en
  • GB494804A - Method of manufacture of metal sheathed electric heating tubes and of metal sheathedelectric conductors : en
  • US2134840A - Water separator : en
  • US2134875A - Crate : en
  • CA377486A - Curtain drier : en fr
  • DE1449974U - Hot air shower for all types of vacuum cleaners : de en
  • GB494830A - Process for improving the working of metals by processes, such as drawing, not involving the use of cutting tools : en
  • DE667041C - Sofa bed with linked seat and backrest parts that can be moved together : de en
  • GB494746A - Working process and appertaining apparatus for the erection of houses of reinforced concrete : en
  • GB494944A - A machine for hardening the edges of templates and similar articles : en
  • DE666286C - Pressure-controlled fuel shut-off device with flexible skin control for internal combustion engines : de en
  • US2135220A - Typewriter punch combination : en
  • DE666909C - Method of making washers : de en
  • GB494796A - Improvements in or relating to gas flasks for storing gas under pressure : en
  • CH200824A - Electric discharge tube. : de en
  • US2134810A - Combined bed table and book holder : en
  • CA377379A - Flexible conduit and fittings : en fr
  • AU472437A - Improvements in composite stanchions or rails more particularly for shop furniture : en
  • AU47338A - Improvements in or relating to electric discharge tubes, more particularly output discharge tubes, and amplifying systems therefor : en
  • CH200703A - Ski binding. : de en
  • CA377461A - Oxygenated compound preparation : en fr
  • CH200822A - Device for the electrostatic ignition of apparatus with an essentially arc-shaped discharge and a liquid cathode. : de en
  • PL27225B1 - A device for regulating furnaces of boilers for steam production. : en pl
  • USD112028S - Design fob a dress ensemble : en
  • AU448337A - Improvements in pipe couplings : en
  • AU105552B2 - Display container for articles of merchandise : en
  • PL27239B3 - A method of separating valuable ingredients from tobacco ground. : en pl
  • AU105554B2 - Arrangement for transmitting course lines or directional signals forthe guidance of aircraft : en
  • US2134973A - Knife : en
  • US2135248A - Compressor control : en
  • PL27246B1 - J £ 1 ^ 34 g, 15 / 03T- 'Foldable folding bed. : en pl
  • CH200723A - Projector. : en fr
  • CH200796A - Asynchronous machine with slotless rotor. : de en
  • PL27261B1 - ^ -Kl. 57 b, 16 / 04r. Support for colored halftone copying. : en pl
  • PL27230B3 - A device for the automatic adjustment of the engine gear, driving the shaking conveyor beds, depending on their load. : en pl
  • US2135368A - Method of preparing quinone : en
  • USRE20902E - Projection system : en
  • PL27336B1 - Process for the production of 2-chloro-1,3-butadiene from halogen derivatives of vinyl. : en pl
  • CA377367A - Vegetable fibrous material processing : en fr
  • AU105600B2 - Game apparatus : en
  • AU105558B2 - Tool for machining rail ends for alumino-thermic welding thereof : en
  • US2134807A - Spatula : en
  • US2135113A - Measuring and severing device : en
  • PL27266B1 - KK 72 i, 3/08. A head impingement fuse for projectiles that is deployed after a considerable amount of time. : en pl
  • US2134808A - Well surveying device : en
  • US2135376A - Telegraph printer : en
  • US2135378A - Dispenser : en
  • CH200797A - High voltage electric power cable. : de en
  • CH200893A - Route signal box in which the routes are set by stepping devices. : de en
  • CH200602A - Stone saw. : de en
  • CH200856A - Method for receiving oscillations of variable frequency. : de en
  • USD111993S - Design fob a bottle stopper : en
  • AU127438A - Arrangement for transmitting course lines or directional signals forthe guidance of aircraft : en
  • PL27327B1 - Pneumatic device for launching from a distance of machine guns. : en pl
  • US2135139A - Garment : en
  • FR833880A - Safety device for hydraulic transmissions and distributions and similar applications : en fr
  • GB494890A - Improvements in and relating to tubular conveyor systems : en
  • US2134941A - Building block : en
  • CH200849A - Automatic extinguisher device. : en fr
  • GB494749A - Improvements in pocket electric igniters : en
  • US2134689A - Machine for spreading and finishing plastic pavements : en
  • CH200662A - Process for the preparation of a new quaternary salt. : de en
  • DE667186C - Arrangement of electrodes in electric rotary ovens : de en
  • PL27260B1 - A method of making colored mesh copies on paper by optically copying colored mesh or colored negatives or slides, colored projection images or colored transparent objects. : en pl
  • US2134950A - Graphitized carbon black : en
  • US2135354A - Fruit picker : en
  • AU105587B2 - Improvements in or relating to heat exchange apparatus forthe supply of conditioned air : en
  • DE667162C - Device for the power supply to the arc welding electrodes : de en
  • USD112018S - Design for : en
  • PL27194B1 - Self-propelled manual firearm. : en pl
  • US2135027A - Manufacture or production of material and garments therefrom for bathing and swimming : en
  • DE667068C - Modification of the device for the verification of the stress on vacuum tubes in X-ray systems : de en
  • US2135078A - Combination well and bulb construction for thermosensitive devices : en
  • US2135161A - Rotary fluid motor : en
  • US2135365A - Method of and agent for producing fire extinguishing foam : en
  • GB494857A - Improvements in or relating to electromagnetic resonators for use in radio or like apparatus : en
  • CH200611A - Fireplace fitted with a secondary air adjustment device. : en fr
  • DE667064C - Bearing lubrication device for rail vehicles with cylindrical Schoepfkoerper and storage grooves : de en
  • DE667180C - Method and device for separating water and salt from steam : de en
  • US2134716A - Measuring speed and distance by radiant energy : en
  • US2134891A - Duck decoy : en
  • GB494732A - A new or improved means and method for treating land, for purposes of draining : en
  • GB494842A - Treatment of metals in electrically heated salt baths : en
  • FR833879A - Luminescent carpet : en fr
  • AU105569B2 - Improvements in mechanism for operating sliding doors : en
  • BE430231A - Purified rubber and processes and apparatus for its preparation : en fr
  • AU173138A - Clamp setter for adjusting railway rails for welding : en
  • CH200737A - Lathe intended for machining helically twisted parts. : en fr
  • DE667177C - Method of joining the ends of two or more parallel tubes into a common end : de en
  • GB494984A - Improvements relating to working up the product of the hydrolysis of cellulosic bodies : en
  • DK55400C - Steering gear for agricultural machinery, in particular seed drills. : da en
  • GB494769A - Aryloxy polyalkylene ether sulfonates : en
  • US2134909A - Process for regenerating waste sulphuric acid by oxidizing impurities : en
  • DE666958C - Process for the production of steel jacket rolls : de en
  • FR833775A - Process for preparing oily hydrocarbons from lignite, peat and oil shales : en fr
  • GB495007A - Improvements in and relating to flash lamps : en
  • FR833765A - Combined garment : en fr
  • GB494859A - Improvements relating to detergents and like substances : en
  • GB494735A - Improvements in or relating to the jointing of pipes : en
  • GB494841A - Improvements in or relating to articles requiring great resistance to creep and in steel alloys therefor : en
  • CH200580A - Artificial fly for fishing. : en fr
  • DE662953C - Working pit for cars : de en
  • DE666923C - Artificial tooth : de en
  • GB494891A - An improved process for the production of white cement : en
  • DE645510C - Permanent magnet with increased coercive force due to mechanical tension : de en
  • FR833925A - Method and device for dosing fluid mixtures : en fr
  • GB494975A - Improvements in and relating to plants for the manufacture of asphaltic compositions : en
  • US2134709A - Nondrip nozzle : en
  • US2135263A - Spot lamp : en
  • US2135142A - Knitting darning machine : en
  • USRE20906E - Work table for boring mills ano the : en
  • US2135202A - Means for shaping the operative surfaces of grinding wheels : en
  • US2134762A - Hair curler : en
  • CH200928A - Process for the production of a synthetic resin suitable for paint preparation. : de en
  • GB494730A - Improvements in and relating to the production of light concrete bodies : en
  • GB494793A - Improvements in or relating to sound recorders : en
  • GB494795A - Improvements relating to pistons for gas compressors : en
  • US2134952A - Automatic train control system : en
  • US2135122A - Vinylidene chloride reaction product : en
  • PL27210B1 - A method of heating or cooling powdered materials, and an apparatus for using the method. : en pl
  • US2134717A - Electric switch : en
  • US2134924A - Method of achieving absolute sterilization : en
  • CA377405A - Camera attachment : en fr
  • US2135144A - Radio receiving set : en
  • US2135156A - Ribbon shift mechanism : en
  • US2135016A - Sole-pressing last : en
  • USD111960S - Design for a mirror : en
  • US2135264A - Process of making tough styrol polymers and product : en
  • CH200850A - Cash register. : de en
  • CH200655A - Process for the production of hyposulfite. : de en
  • US2134738A - Artificial pulp grinding stone and method of making same : en
  • US2135416A - Traffic signal : en
  • DK55414C - Compressed air tool for sheet metal working. : da en
  • CH200682A - Process for the preparation of a vat dye of the anthraquinone series. : de en
  • US2135232A - Retriever : en
  • PL27201B1 - Muzzle brake for guns. : en pl
  • DE666921C - Glycerine substitute : de en
  • DE667005C - Connecting rod training for piston engines with cylinders arranged in a star shape : de en
  • DK55409C - Cassette for Cinema Cameras. : da en
  • US2135372A - Molding machine : en
  • CH200773A - Propeller impeller machine. : de en
  • CH200832A - Ignition device for gas burners. : de en
  • US2135103A - Lock-joint subdrainage pipe : en
  • US2135069A - Vibrating screen : en
  • CA377485A - Bread pan greasing machine : en fr
  • CH200754A - Method for influencing the shape of the jet of paint from spray devices, in particular for painting, and device for carrying out the method. : de en
  • AU131438A - Typewriter ink ribbon with ink reservoir zone : en
  • CH200606A - Window and door lock. : de en
  • CH200908A - Process for the preparation of a nitrogen-containing aromatic aldehyde. : de en
  • PL27296B1 - A driving device in electric vehicles, in particular powered by electricity from the mains. : en pl
  • US2134819A - Base for powered apparatus : en
  • US2134998A - Apparatus for pulling tape : en
  • US2135033A - Airplane launching : en
  • DE667111C - Driving or flying toys with spring mechanism and a bubble switch that controls the work flow : de en
  • CH200879A - Electric road vehicle for passenger transport. : de en
  • CH200719A - Sound recording camera. : de en
  • GB494970A - Improvements in or relating to electric water heaters : en
  • FR833909A - Lighthouse-lantern block : en fr
  • GB494809A - Improvements in or relating to percussion fuzes : en
  • PL27328B1 - Discharge lamp. : en pl
  • US2135315A - Coil insulation : en
  • USD111999S - Design for a burial casket shell : en
  • US2135394A - Power plant suspension means : en
  • CH200645A - Foundry shoe. : de en
  • DE667153C - Polygonal drive turas for bucket chain excavators, depositors and similar devices : de en
  • DE667173C - Weatherproof clothing, in particular made of rubber fabric : de en
  • DE666965C - Device for bright annealing of straps, wire u. Like. In a closed annealing pot at the top of the annealing furnace : de en
  • PL27226B1 - : en pl
  • US2135079A - Method of forming concrete walls : en
  • US2134726A - Machine for applying pressure to shoe bottoms : en
  • US2135180A - Dispenser : en
  • AU454437A - Improvements in and relating to illuminated dials more particularly for radio apparatus : en
  • CA377382A - Washing machine water discharge mechanism : en fr
  • CH200863A - Method for correcting the amplification excess of low frequencies of line-fed image intensifiers. : de en
  • PL27341B1 - A furnace for a steam-generating and spray-fired device. : en pl
  • US2135269A - Method of and apparatus for testing ignition coils : en
  • CH200870A - Container containing a fluid, pasty or powdery material. : en fr
  • DE667134C - Method of manufacturing an electrolytic capacitor : de en
  • CH200838A - Operating table. : de en
  • US2134844A - Damper and damper-clip construction : en
  • US2134960A - Shaving implement : en
  • US2134968A - Quick-acting closure for tubes, bottles, and the like : en
  • US2135112A - Windmill pump attachment : en
  • CH200727A - Process for manufacturing iron from iron ore and installation for its implementation. : en fr
  • CA377495A - Suction cleaner : en fr
  • CH200613A - Holder for brooms or similar stick devices. : de en
  • US2135089A - Heater : en
  • CA377471A - Calculating device for weighing machines : en fr
  • US2135002A - Metal shearing machine : en
  • US2135391A - Termite control : en
  • US2135071A - Vehicle control apparatus : en
  • CH200892A - Pressure medium brake, in particular for railways. : de en
  • DE667009C - Gas plunger : de en
  • ES144166A1 - A trolley retention device for trams. : en es
  • US2135052A - Nasal douche : en
  • US2135228A - Method and apparatus for marking fabrics : en
  • FR833836A - Assembly for obtaining reversing oscillations at high frequency constancy, in particular for electric musical instruments : en fr
  • DE666924C - Process for the production of sintered hard metals : de en
  • CH200833A - Process for transforming the light emitted by an electric discharge device into a gas. : en fr
  • CH200907A - Process for the preparation of a nitrogen-containing aromatic aldehyde. : de en
  • US2135382A - Rod weeder : en
  • CH200617A - Mattress. : de en
  • US2135329A - Thread carrier control mechanism for straight knitting machines : en
  • CA377443A - Spring suspension : en fr
  • CH200909A - Process for the preparation of a nitrogen-containing aromatic aldehyde. : de en
  • DE1449099U - : de en
  • US2135145A - Mirror device : en
  • PL27228B1 - A method of making cigarette bags, tubes or smoking utensils, and an apparatus for carrying out the method. : en pl
  • US2134935A - Fireplace hot air circulator : en
  • PL27292B1 - Piston cylinder gland, especially for air shock absorbers. : en pl
  • FR833917A - Loudspeaker telephone set : en fr
  • PL27269B1 - A device for mixing, cleaning and feeding tobacco leaves to the slicer. : en pl
  • US2134866A - Car body : en
  • US2135160A - Prevention of corrosion : en
  • CA377463A - Anti-knock motor fuel : en fr
  • CH200609A - Gas generator system on vehicles. : de en
  • GB494778A - Improvements relating to declutching devices for the spool carriers of cinematographic projection apparatus : en
  • GB494792A - An improved receiving device for an electric remote control system : en
  • US2134758A - Governor mechanism : en
  • US2135458A - Separation of constituents from : en
  • GB494935A - Improvements in or relating to sound-proof ventilating windows : en
  • DE667116C - Mirror device for looms : de en
  • US2134679A - Process for treating biologic material : en
  • US2134686A - Pumping apparatus : en
  • FR833786A - Advanced tuning circuits : en fr
  • CH200751A - Holder for razor blades. : de en
  • IE15351L - Reinforced concrete floors s, floors¹and the like. : en
  • FR833759A - Excess air regulator : en fr
  • US2134743A - Position indicating mechanism for machine tools : en
  • US2134860A - Folding paper box : en
  • US2135357A - Cinematographic film winding mechanism : en
  • US2135396A - Optical reproduction op lbnticulated or goffered : en
  • USD112033S - Design fob a dress : en
  • GB495026A - Improvements in the process of removing ammonia from gases : en
  • DE667192C - Pulling device for two curtains, blinds, etc. that can be moved horizontally on a curtain rod : de en
  • GB494819A - Improvements in and relating to the production of three-dimensional ornamentation inplane surfaces : en
  • DE666899C - Process for the production of arc welding electrodes, in which a layer of reducing agents is pressed onto the electrode core under high pressure : de en
  • US2135192A - Disk mounting : en
  • US2135194A - Extrusion of tubular shapes of aluminum and alloys thereof : en
  • US2134817A - Reciprocating cooker : en
  • US2134876A - Dust seal for crushing machines : en
  • US2135133A - Axminster loom : en
  • US2135148A - Suction apparatus : en
  • CA377465A - Circular loom : en fr
  • CH200774A - High speed polycylindrical motor. : en fr
  • FR833794A - Advanced device for practicing artificial respiration : en fr
  • FR833858A - Electro-mechanical device for maneuvering railway track changes : en fr
  • CA377389A - Protective circuit : en fr
  • CA377427A - Rubber hydrohalide preparation : en fr
  • GB494966A - Improvements in or relating to spanners : en
  • FR833771A - Advanced training in cleaning units and their assemblies in spinning looms, twisting looms, and similar machines : en fr
  • US2135320A - Conductor clamp : en
  • PL27352B1 - Screw fastener. : en pl
  • US2134946A - Radio shielding means : en
  • USD111966S - Design for a reflector signal device : en
  • CH200607A - Joint. : de en
  • FR833851A - Ski fixing device, recoil orochet : en fr
  • PL27287B3 - Method for the production of basic esters of polyaryl acetic acids. : en pl
  • US2135030A - Treatment of wood : en
  • US2135067A - Automatic-releasing thread-cutting tool : en
  • DE666883C - Device for moving objects, in particular for display purposes : de en
  • CA377402A - Two part roll holding camera : en fr
  • CA377409A - Thermionic valve : en fr
  • CH200718A - Calculating machine with built-in writing device. : de en
  • US2134753A - Detachable collector : en
  • US2135455A - Alcohols from olefines : en
  • DE666971C - Boiler arrangement for electrical pressure gas switch : de en
  • GB494824A - Sheet metal closure for cardboard containers and process for attaching same : en
  • CA377466A - Valved nozzle : en fr
  • DK55396C - Steering mechanism for Games. : da en
  • US2134894A - Wall construction : en
  • SU54059A1 - Movable unloading device, mainly for unloading bulk materials from barges : en ru
  • DE666959C - In the diagonal direction, flexible storage of the stand rollers of block and sheet rolling mills : de en
  • FR833916A - Process for manufacturing ice packs and other objects in the form of a solid of revolution and device for carrying out this process : en fr
  • CA377376A - Heat treated alloy : en fr
  • DE666934C - Lockstitch double machine : de en
  • DE666982C - OElzerstaeuber with a regulating element controlling the oil inflow : de en
  • CH200621A - Locking device for adjustable drawing tables. : de en
  • DE666978C - Differential protection device for apparatus and machines : de en
  • DE667036C - Rotary switch with a switch axis standing on the base or parallel to the face of the base : de en
  • US2135063A - Method of producing pentaglycol : en
  • PL27248B1 - Diving burner. : en pl
  • US2135102A - Safety guard for glass coffee makers : en
  • AU173038A - Tool for machining rail ends for alumino-thermic welding thereof : en
  • AU452937A - Device for adjusting the angular position ofan electric element relative to another electric element : en
  • CH200577A - Method and device for crushing vegetable feed. : de en
  • DE666908C - Electric fabric cutting machine with band knife : de en
  • US2135408A - Electrode clamp : en
  • US2134906A - Metallic lithographic oven : en
  • CA377381A - Wire belt for paper machines : en fr
  • US2135290A - Sealing-in apparatus for electric lamps and the like : en
  • GB494763A - Improvements in or relating to reclining chairs : en
  • FR833799A - Improvements to selectivity control devices combined with automatic tuning adjustments acting on the local oscillation frequency in a frequency changing receiver : en fr
  • DE666944C - Scraper conveyor : de en
  • DK55394C - Cleaning hatch for the chimneys. : da en
  • USD111962S - Design for a bottle : en
  • CH200904A - Process for the preparation of a nitrogen-containing aromatic aldehyde. : de en
  • DE666936C - Seam connection for metal wire mesh : de en
  • GB494847A - An improved means for producing powders from liquids and semi-liquids : en
  • CH200776A - Device for controlling engine systems with internal combustion aviation piston engines and propellant gas engines. : de en
  • DE666946C - Spin dryer : de en
  • GB494965A - Method of and apparatus for treating molding sand : en
  • US2135048A - Joint : en
  • DE666979C - High-voltage fuse with blow-out insulating tube : de en
  • FR833924A - Pedal for railways actuated by convoys in a selective manner according to the direction of travel : en fr
  • US2134901A - Electric signaling or controlling system : en
  • GB494998A - Process and apparatus for treating materials in grains, such as minerals, coals and the like, containing particles of comparatively small sizes : en
  • FR833800A - Improvements to discharge tubes : en fr
  • CH200921A - Process for the preparation of a quaternary ammonium compound. : de en
  • GB494914A - Improvements in and relating to hose reel supports and the like : en
  • BE430151A - : en
  • USD111971S - Design for a confection : en
  • CA377411A - Radio receiver : en fr
  • US2135336A - Copper base alloy : en
  • USD111994S - Insect exterminator : en
  • US2135059A - Device for continuously vacuumizing containers : en
  • US2135134A - Packaging device : en
  • US2135135A - Heel construction for shoes : en
  • US2135279A - Needle carriage for hypodermic needles : en
  • FR833797A - Improvements to shirts, blouses, etc., with reversible collar and cuffs : en fr
  • CH200581A - Cavity wall. : de en
  • CH200920A - Process for the preparation of an aminosulfone. : de en
  • DE666932C - Switching device on decorative stitch devices for sewing machines : de en
  • CA377455A - Millstone : en fr
  • CH200887A - Chain transmission. : de en
  • CH200795A - Self-starting synchronous small motor. : de en
  • CA377416A - Heterocyclic compound : en fr
  • CH200654A - Process for the production of commercially pure alkali phosphates. : de en
  • FR833807A - Valve for bicycle tires and other pneumatic vehicles : en fr
  • US2135060A - Cotton cutting machine : en
  • DE667122C - Gyro compass with floating gyro carrier : de en
  • DE667129C - Friction damper of the spring hooks effective against transverse vibrations : de en
  • CA377407A - Tripod leg clamp : en fr
  • PL27262B1 - Method for separating sodium chloride from potassium chloride contained in sylilinita. : en pl
  • PL27217B1 - Method of mixing artificial resins with filling materials. : en pl
  • DE667121C - Cadmium alloy : de en
  • FR833938A - Improvements to straw fullers for threshing machines : en fr
  • AU213738A - Improved process for the manufacture of steel : en
  • CH200721A - Grain-free film made of translucent material. : de en
  • CH200903A - Process for the preparation of a nitrogen-containing aromatic aldehyde. : de en
  • CH200905A - Process for the preparation of a nitrogen-containing aromatic aldehyde. : de en
  • AU95438A - Improvements relating to displacer boxes for use inthe construction of concrete floors : en
  • CH200836A - Electric gas discharge tube surrounded by a closed bulb. : de en
  • CH200860A - Voltage transmission device in television amplifiers. : de en
  • GB494789A - Improvements in or relating to lawn perforating attachments for lawn rollers : en
  • GB494916A - Improvements in or relating to motor-vehicle light projector apparatus : en
  • GB494987A - Improvements relating to electrically-driven screw fans : en
  • AU458237A - Improvements in or relating to car trucks : en
  • ES144160A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NUMBER 144158 : en es
  • FR833927A - Manufacturing process of insulating bricks and products obtained by this process : en fr
  • GB494844A - Improvements in and relating to under-arm dress shields : en
  • DE667164C - Pendulum machine arrangement : de en
  • CH200787A - Condensate drain with shut-off valve controlled by a bimetal expansion body. : de en
  • PL27245B1 - Bearing between parts, sliding in a straight line. : en pl
  • US2134719A - Coupling connection : en
  • US2134944A - Tractive type relay : en
  • US2135429A - Method of producing a tile base : en
  • DE666977C - Electrical switchgear with additional quick switch-off : de en
  • DE667046C - Feeder conveyor frame for multi-line sorting conveyor belts : de en
  • GB494898A - Improvements in or relating to household vessels or containers and like articles : en
  • GB495082A - Improvements in washing agents for leather, in particular clothing leather : en
  • DE667004C - Two-metal pistons for internal combustion engines : de en
  • DE666968C - Bandwidth regulator for an intermediate frequency receiver with automatic sharp tuning by regulating the oscillator frequency : de en
  • DE666960C - Equipment on a machine for the production of continuous lines of semi-finished raw work pieces for the production of horseshoe nails : de en
  • DE666939C - Fire protection switch for film projection devices : de en
  • CH200579A - Transportable sprayer for liquids. : en fr
  • US2135032A - Valve gear for distribution valves of steam locomotives : en
  • DE666987C - Dentifrices : de en
  • GB494888A - Improvements in and relating to the positioning of jigs or the like for supporting aworkpiece during construction or assembly : en
  • GB494899A - Improvements in or relating to ventilators : en
  • GB494874A - Improvements in supplementary propelling mechanism for bicycles and like foot-propelled vehicles : en
  • GB494879A - Improvements in and relating to grinding mills for paints and the like : en
  • GB494882A - Improvements in or relating to apparatus for detecting the presence of poisonous gases or vapours in the atmosphere : en
  • CA377425A - Copper alloy : en fr
  • CH200614A - Frame reinforcement on basins and table tops made of sheet metal. : de en
  • CH200842A - Process for obtaining a durable, water-soluble medicinal product from the milk juice of Lactuca virosa. : de en
  • US2134701A - Separation of hydrocarbons : en
  • US2135219A - Receptacle-making machine : en
  • US2135276A - Garment hanger : en
  • US2135293A - Medicinal azo dyes : en
  • IE15206L - Painting pipe lines : en
  • PL27306B1 - Automatic calendar. : en pl
  • DE666942C - Press for molding insoles : de en
  • DE667115C - Attachment of an odor trap to the outlet nozzle of a basin, in particular a sink : de en
  • GB495016A - Improvements in or relating to electro-magnetic deflecting coils for cathode ray tubes : en
  • GB494698A - Improvements in or relating to traffic control systems : en
  • GB494815A - Improvements in or relating to apparatus for measuring blood pressure : en
  • DE667104C - Process for regulating propellant gas, in particular for motor vehicles : de en
  • GB494802A - Anthraquinone dyestuffs and a process for their manufacture : en
  • DE666951C - Saturation current transformer : de en
  • ES144079A1 - Procedure for hardening or hardening profiled parts. : en es
  • FR833780A - Improvements to insulating glass containers, double-walled empty air : en fr
  • US2134718A - Electron discharge apparatus : en
  • US2135316A - Point or plane finder : en
  • GR7752B - ADVERTISING LIGHTING LIGHT. : el en
  • FR833936A - New forging process and machine for its application : en fr
  • US2134987A - Method of aerial advertising : en
  • FR833820A - Photoelectric sound reproducer : en fr
  • GB494919A - Improvements in rubber suction caps adapted for supporting articles such as signs orshelves : en
  • PL27331B1 - A device for bottling milk and a bank adapted to this device. : en pl
  • US2134809A - Skiving machine : en
  • DE667052C - Sewing needle with thread cutting edge : de en
  • GB495033A - Improvements relating to the reproduction of sound films : en
  • CH200775A - Pre-chamber injection internal combustion engine. : de en
  • FR833892A - Aircraft enhancements for vertical dive bombing : en fr
  • FR833902A - Agitator device for agricultural and industrial sprayers : en fr
  • FR833934A - Seal for vehicle doors and windows : en fr
  • GB494897A - Improvements in or relating to means for adjusting the driving-chains of bicycles, motorcycles and the like : en
  • GB495098A - Improvements in or relating to a method for applying a phosphatic coating to metallic surfaces : en
  • US2134907A - Apparatus for filling cartons : en
  • US2135296A - Electrode positioning device : en
  • PL27299B1 - Charge for disintegrating cartridges or mechanisms operated by gas pressure on the piston. : en pl
  • US2135375A - Telegraph printer : en
  • US2134775A - Wire connecter : en
  • US2135402A - Refrigerator : en
  • USD111965S - Design for a game board or similar : en
  • BE430219A - : en fr
  • CA377447A - Rock drilling machine clamping means : en fr
  • ES144163A1 - Appropriate method and apparatus for the production of hollow metal bodies. : en es
  • GB494774A - Improvements in or relating to chairs : en
  • GB494825A - Improvements in and relating to tubular conveyor systems employing travelling containers : en
  • GB494981A - Improvements in or relating to gas-operated firearms : en
  • US2134972A - Gas burner : en
  • FR833790A - Process for manufacturing photographic papers by development : en fr
  • FR833838A - Improvements to tuning devices for receivers and the like : en fr
  • US2135066A - Cleaning composition and method : en
  • US2135298A - Beer faucet : en
  • US2134688A - Erasing shield : en
  • US2134761A - Spare wheel cover and lock : en
  • DE666983C - Cooling device for the grates of furnaces with cooling bars through which water flows : de en
  • PL27317B1 - Razor and clipper head. : en pl
  • GB494751A - Improvements in operating devices for the starter switches of internal combustion engines : en
  • DE667020C - Method and device for weaving with two warp thread systems : de en
  • US2135166A - Enclosed fuse : en
  • US2134805A - Electric tray : en
  • US2134912A - Rosin size : en
  • US2135070A - Spider : en
  • US2135254A - Copper alloys : en
  • AU480437A - Improvements relating to electric switches : en
  • CA377432A - Brake lever : en fr
  • US2134954A - Windshield cleaner : en
  • CA377388A - Electrolytic device protective means : en fr
  • DE666991C - Protective frame for outdoor work on windows or the like. : de en
  • US2135347A - Vehicle : en
  • AU105576B2 - Improvements in or relating to thermionic-valve amplifiers andthe like : en
  • CA377464A - Tamperproof and non-refillable closure : en fr
  • CH200750A - Grinding wheel. : de en
  • PL27258B1 - Impact fuse. : en pl
  • US2134692A - Machine used in construction twine heddle : en
  • US2135424A - Modified pitch : en
  • DE666590C - Suction and pressure pump for therapeutic treatment : de en
  • CA377456A - Theft alarm in handbags : en fr
  • CH200601A - Ceramic building material. : de en
  • CA377494A - Soil conditioner : en fr
  • US2134771A - Electric cable : en
  • US2135072A - Apparatus for making glass fiber mats : en
  • US2135390A - Method and machine for fitting closures on containers : en
  • CA377365A - Thermionic valve amplifier : en fr
  • PL27324B1 - The method of obtaining the preparation containing vitamin H. : en pl
  • USD112013S - Design for a film viewer : en
  • CA377369A - Musical instrument : en fr
  • CA377476A - Mounting means for objects : en fr
  • AU190438A - Chemically bonded refractories : en
  • CH200695A - Mechanism intended to perform a large number of different actions, not exceeding one thousand and twenty-four however, moved by any force commanded by a keyboard of keys brought into play by the fingers of both hands of an operator. : en fr
  • CH200788A - Motor-compressor unit, in particular for refrigeration installations. : en fr
  • CH200884A - Wheel tires. : de en
  • US2135158A - Means for maintaining the fluid level of storage batteries : en
  • ES144162A1 - Apparatus for the evaporation of water from a solution by dragging said water by means of the vapor of a body not mixable with water. : en es
  • GB494951A - Improvements in or relating to liquid fuel injectors for internal combustion engines : en
  • DE666913C - Signal box with direct current monitoring : de en
  • GB494747A - Improvements in egg case platforms and holders for fillers thereof : en
  • US2134830A - Process of producing corrosion resistant coatings on magnesium and high percentage magnesium alloys : en
  • US2135074A - Photographic enlarger : en
  • US2135109A - Art of cracking petroleum oils : en
  • DE666941C - Lasting machine with ledge support : de en
  • US2134725A - Measuring device : en
  • US2135340A - Stay for pan sets : en
  • CA377484A - Liquid sterilization : en fr
  • BE430263A - Improvements to instantaneous closures with non-metallic closures : en fr
  • AU105582B2 - Seal for rotating shafts : en
  • AU134338A - Improvements in or relating to electrically driven suction cleaning machines : en
  • PL27326B1 - Round weaving loom. : en pl
  • US2135331A - Advertising device : en
  • GB494952A - Improvements in or relating to pressure regulating devices for fuel pumps for injection systems of internal combustion engines : en
  • DE666901C - Method for adjusting the fluorescent spot at Braunschen Roehren : de en
  • BE430291A - Method and device for dissolving solid substances in liquids : en fr
  • CH200610A - Wood gasifier. : en fr
  • CH200664A - Process for the production of melamine. : de en
  • DE666917C - Arrangement on a follower control for electric motors : de en
  • DE667077C - Siren with impeller and a housing provided with sound openings, on the air inlet side of which a rotary valve is provided : de en
  • US2134802A - Air conditioning device : en
  • US2135265A - Pressure switch : en
  • CH200640A - Holder for hanging the lower leg dress on the men's trousers. : de en
  • US2135214A - Self-adjusting pulley : en
  • US2135275A - Fluid fuel burning apparatus : en
  • US2135307A - Vehicle wheel : en
  • FR833950A - Device for the transmission of values within one or between several office machines : en fr
  • PL27277B1 - A method for the preparation of partially esterified compounds of the dihydro-ester series having a free phenolic hydroxyl group. : en pl
  • PL27314B1 - and Arthur Abraham Ruben {Berlin - Charlottenburg, Germany). Cooling appliance for storing and keeping fresh goods. Wteftt Mitowi to pie nr 14971; : en pl
  • US2134871A - Oil-burning fire box : en
  • AU105551B2 - Process and apparatus for extracting butter fat direct from milk, utilisable also for whipping cream and cooling milk and cream : en
  • DE666887C - Electrical switching device for the direction indicators on motor vehicles : de en
  • BE430112A - : en
  • CH200696A - Method of refreshing ink ribbons for typewriters and the like. : de en
  • CH200634A - Process for the production of mixtures containing organic substances. : de en
  • PL27356B1 - A method of producing prints with partially the same and partially different content and a rotary duplicator for carrying out this method. : en pl
  • US2134942A - Implement : en
  • US2135443A - Process of manufacturing polymerization products : en
  • CH200675A - Process for the preparation of a water-soluble disazo dye. : de en
  • AU245138A - Improvements in or relating toa fermentation process forthe preparation of paper-pulp from incrusted cellulose fibres : en
  • PL27263B1 - Teletechnical cable. : en pl
  • US2135045A - Control for welding generators : en
  • US2134798A - Plate glass surfacing table : en
  • US2135128A - Manufacture of derivatives of cellulose and other polymeric hydroxy compounds : en
  • US2135237A - Closure for containers : en
  • CH200594A - Cooking and heating unit. : de en
  • CH200847A - Process for the production of aqueous solutions of insoluble or insufficiently water-soluble organic substances. : de en
  • DE667038C - Electric discharge lamp or tube : de en
  • FR833928A - High frequency modulation limiter and multiplex signaling system including application of this limiter : en fr
  • GB494701A - Improvements in methods of and compositions for sealing electrical conductors in insulators : en
  • AU105593B2 - Improvements in or relating to electro magnetic relays : en
  • CH200604A - Insert cylinder lock on mortise locks with change lever. : de en
  • US2135029A - Impregnation of porous materials : en
  • US2135253A - Well tubing catcher : en
  • US2135328A - Sounding signal device : en
  • CA12137S - Ticket : en
  • CA377361A - Sash latch : en fr
  • PL27355B1 - A method of producing light glues from dark grades of rosin for bonding paper pulp. : en pl
  • GB494731A - Improvements in or relating to articles of footwear : en
  • US2135430A - Treatment of still residue : en
  • CH200596A - Central heating boiler. : de en
  • CH200916A - Process for the production of a new chemical substance. : de en
  • AU364337A - Control mechanism of doors, windows andthe like : en
  • DE667178C - Device for patterning socks on forms : de en
  • GB494922A - Apparatus for separating chaplets for casting moulds : en
  • DE667108C - Thrust compensation for screw pumps with at least two screw spindles in contact : de en
  • PL27241B1 - A method of making stable products from milk, especially from cream : en pl
  • US2134863A - Crayon holder and protector : en
  • US2135015A - Selector for electric connecting systems : en
  • CH200919A - Process for the preparation of an aminosulfone. : de en
  • DE666981C - Hot pan : de en
  • DE667000C - Box trap for catching several rats at the same time with a rocker switch : de en
  • US2134947A - Protective cosmetic : en
  • US2135116A - Can opener : en
  • US2135247A - Compressor valve control : en
  • USD112008S - Design fob a shoe ob similar article : en
  • US2135333A - Woven wire fabric : en
  • CH200625A - Sheet metal vessel with reinforced bottom fold. : de en
  • CA377457A - Cigarette lighter : en fr
  • CH200598A - Electrically heated instant water heater. : de en
  • CA377438A - Vitamin concentrate : en fr
  • CH200779A - Plunger. : de en
  • CA377433A - Lever : en fr
  • CH200825A - Device for separating electrical frequency mixtures. : de en
  • US2134687A - Drive axle construction : en
  • US2134814A - Addressing and tabulating machine : en
  • CA377387A - Bar welding apparatus : en fr
  • FR833815A - Adjustable drafting table : en fr
  • GB495065A - Improvements in display signs and the like : en
  • AU121538A - Seal for rotating shafts : en
  • US2134799A - Marker : en
  • CH200591A - Riflemen. : de en
  • FR833812A - Footrest : en fr
  • GB495008A - Improvements relating to sliding-vane compressors : en
  • CH200653A - Regulating device on steam-heated apparatus. : de en
  • FR833828A - Improvements to road lighting as well as to devices and light sources for this purpose : en fr
  • GB494991A - Improvements in or relating to bottle caps : en
  • GB494741A - Improvements in or relating to insulators : en
  • CH200726A - Electric clock. : en fr
  • CH200843A - Process for the preparation of a basic compound of the heterocyclic series. : de en
  • PL27195B1 - Duplicating device. : en pl
  • CA377502A - Pressing apparatus : en fr
  • DE667133C - Procedure for measuring the rotor temperature in electrical machines during operation : de en
  • PL27289B1 - Envelope wetter. : en pl
  • US2134835A - Compressor unloader : en
  • US2135291A - Pivoted axle for motor vehicles : en
  • US2135038A - High frequency magnetron amplifier : en
  • AU105583B2 - Improvement in lens : en
  • CH200800A - Device with connection terminals and organs for releasably connecting the same. : de en
  • CH200728A - Permanent magnet alloy. : de en
  • CH200778A - Carburetor. : de en
  • CH200886A - Cushioning device on bicycles, in particular on motorcycles. : de en
  • CA377478A - Aerial flight instrument : en fr
  • CH200760A - Shaft with radial plain bearing, especially for high speed. : de en
  • PL27345B1 - A device for two-sided grinding of glass sheets. : en pl
  • CH200840A - Method of making a skin ointment. : de en
  • CH200877A - Motor vehicle for operation under very different conditions. : de en
  • AU105609B2 - Improvements in or relating toa process forthe fermentation of organic matter : en
  • BE430248A - : en fr
  • CA377496A - Washing machine : en fr
  • US2134971A - Carton : en
  • US2135157A - Vertical hydraulic broaching machine : en
  • PL27349B1 - A round for smooth barrels, with saw blades. : en pl
  • AU105539B2 - Improvements in glass fibres and method of treating thesame : en
  • CH200740A - Method and apparatus for the surface hardening of metal parts by electric current. : en fr
  • CH200802A - Cable connection device with device to secure a cable connection bolt against twisting. : de en
  • PL27316B1 - Magnetron system. : en pl
  • US2135120A - Brake arrangement : en
  • USD112020S - Design for a dress : en
  • PL27304B1 - Device for presetting the time of fuel injection in internal combustion engines. : en pl
  • AU105588B2 - Method of smelting zinc containing material in shaft furnaces : en
  • AU170938A - Improvements in volume control circuits : en
  • US2134974A - Display form : en
  • US2135283A - Method of producing polychromatic light : en
  • US2134921A - Propeller : en
  • AU105566B2 - Improvements in pipe couplings : en
  • CH200839A - Bidet. : de en
  • BE429991A - Movable-sheet album for presentation of postage stamps on various colored polygons with various colored frames : en fr
  • CH200646A - Fitting element on shoes, in particular soccer shoes. : de en
  • AU162038A - Improvements in or relating to carpet sweepers : en
  • US2135213A - Athletic pants : en
  • US2135383A - Vacuum breaker : en
  • CA377434A - Hand brake lever : en fr
  • CH200801A - Tubular wire system for interiors. : de en
  • FR833947A - Tracer projectile and its manufacturing process : en fr
  • GB494877A - Improvements in or relating to pottery ware and the manufacture thereof : en
  • CH200902A - Process for the preparation of a nitrogen-containing aromatic aldehyde. : de en
  • US2135392A - Receptacle : en
  • CH200799A - Extensible electrical conductor. : en fr
  • AU454537A - Improvements in and relating to the fastening of knobs on adjustable spindles : en
  • PL27268B1 - A method of inserting sticks to hold ice cream blocks and a device for carrying out this method. : en pl
  • CA377362A - Free wheeling and clutch : en fr
  • CA377458A - Razor blade sharpening apparatus : en fr
  • CH200713A - Hydraulic device. : en fr
  • CH200693A - Device on printing machines for observing paper or fabric webs passing by. : de en
  • US2134882A - Fractionating apparatus and method of fractionation : en
  • US2134682A - Popcorn machine : en
  • US2135065A - Tool : en
  • CH200709A - Automatic firearm. : de en
  • CH200755A - Sprayer. : de en
  • DE667002C - Pistons for air-compressing internal combustion engines : de en
  • US2134849A - Bus clamp : en
  • CA377424A - Electrolytic condenser unit : en fr
  • FR833846A - Hair waving device enhancements : en fr
  • FR833908A - Closing device for headlights and electric lanterns in particular : en fr
  • AU105546B2 - Inductance element : en
  • US2135401A - Shipping crate : en
  • US2134783A - Cylinder cup : en
  • GB494926A - Actuating mechanism for the oxygen-supply valve of respiratory appliances controlled automatically by the lungs : en
  • GB494982A - Improvements in or relating to looms with stationary weft supplies : en
  • CH200666A - Process for the production of a new stable, water-soluble, neutral, non-toxic chemical substance, which is suitable for reducing the surface tension of water-oil mixtures. : de en
  • GB494973A - Noise damping machine mountings : en
  • FR833758A - space saving and new presentation of bowling pins for games : en fr
  • GB494845A - Improvements in or connected with winding mechanism : en
  • FR833942A - Improvements to low consumption internal combustion engines : en fr
  • CA377436A - Separable fastener : en fr
  • CH200745A - Process for the production of moldings from rubber dispersions. : de en
  • US2135261A - Pulp stock agitating apparatus : en
  • US2135170A - Shoe and method of making the same : en
  • CH200876A - Motor vehicle. : de en
  • DE666967C - Single relay for railway safety devices : de en
  • CH200674A - Process for the preparation of a metal-containing azo dye. : de en
  • GB495091A - Improvements in gas-tight doors of shelters for protection against gases : en
  • DE667013C - Rod relief for borehole pumps : de en
  • GB494855A - Improvements in or relating to rubber-tyred vehicle wheels : en
  • US2134727A - Knitting machine : en
  • US2134748A - Steering mechanism : en
  • CA377469A - Air conditioning system : en fr
  • AU229038A - New briquette fuel and process of manufacturing same : en
  • CH200756A - Hand-held device for spraying paint and similar spray material. : de en
  • GB494706A - Stand or holder for a preserve dish or jar or like container for table use : en
  • GR7760B - PTERODETIC MACHINE. : el en
  • CH200781A - Method for starting internal combustion engines by means of an auxiliary internal combustion engine. : de en
  • PL27253B1 - Device in motor vehicles for switching the clutch and variable ratio gears by means of a pressurized device. : en pl
  • US2134836A - Vapor-feed condenser and stabilizer : en
  • US2135278A - Attachment for hydraulic jacks : en
  • FR833848A - Device for starting up thermal installations in which a working fluid in the gaseous state constantly describes a closed circuit under pressure : en fr
  • GB494786A - Improvements in or relating to suction cleaners : en
  • GB494782A - Improvements in and relating to bearings for supports for small rotating parts such as the rotors of electricity meters : en
  • US2134837A - Protective coating : en
  • DE666929C - Process for enamelling heavy metals : de en
  • US2134712A - Production of alkyl phenol sulphonates : en
  • US2135343A - Grain separator : en
  • DE667155C - Briquette cooling system with protective roofs : de en
  • FR833830A - Motor vehicle theft protection device : en fr
  • GB494848A - Improvements in or relating to the manufacture of foils, films and the like from cellulose esters : en
  • GB494900A - Improvements in and relating to electric control for electric motors, steam engines and other prime movers : en
  • GB495103A - Improvements in or relating to portable electric lamps : en
  • DE667096C - Adjustable and foldable seat and deck chair : de en
  • CH200891A - Single axle drive on rail vehicles, with piston steam engines firmly mounted in the frame. : de en
  • CH200882A - Automobile with spare wheel and holder for skis and other items. : de en
  • FR833791A - Starting device for combustion engines : en fr
  • US2135114A - Vacuum brake booster : en
  • US2135294A - Summer and winter temperature control : en
  • BE430105A - Method for avoiding fogging phenomena in light-sensitive halogen silver layers : en nl
  • CH200741A - Saw chain. : de en
  • FR833847A - Elastic suspension for bicycles and in particular for motorcycles : en fr
  • GB495073A - Improvements in coking retort ovens : en
  • CA377364A - Ignition composition : en fr
  • CA377408A - Lens attachment : en fr
  • US2135082A - Amusement device : en
  • USD111985S - Design for an electrical meter : en
  • DE666985C - Apparatus for obtaining spinnable fibers from New Zealand flax leaves : de en
  • PL27354B1 - Method for the production of cigarette paper. : en pl
  • DE666898C - Bracket of baffles for cathode ray tubes : de en
  • US2134913A - Radio or like receiver : en
  • USD112021S - Design fob a dress : en
  • BE430129A - Process for obtaining by electrolytic deposition of protective layers on magnesium and its alloys : en fr
  • CA377468A - Gauze bandage : en fr
  • DE666910C - Heat exchanger with a number of sheets wound in a spiral shape : de en
  • US2134914A - Roll-forming machine : en
  • AU152738A - Method of smelting zinc containing material in shaft furnaces : en
  • CH200661A - Furnace for the production of carbon tetrachloride. : de en
  • CH200897A - Process for protecting hair, fur, feathers, fibrous materials and other goods from moth damage. : de en
  • US2135380A - Method of making composite articles : en
  • DE667090C - Abrasive brush for commutators in electrical machines : de en
  • US2135421A - Game : en
  • US2135441A - Welded bitubular column : en
  • GB494933A - Improvements in or relating to opening devices for tins : en
  • USD111961S - Design for a crumber : en
  • USD112002S - Design for a furnace casing : en
  • US2134969A - Production of magnesium : en
  • US2135046A - Control for welding generators : en
  • US2135332A - Conversion of hydrocarbon oil : en
  • US2135456A - Separation of constituents from an organic complex : en
  • GB494929A - Improvements in uniting materials comprising cellulose or hydrophilic derivatives thereof together or with other substances : en
  • US2134990A - Mop : en
  • FR833809A - Electric filter : en fr
  • US2134910A - Paste tube : en
  • US2135256A - Assembly for hulling peas and slicing beans : en
  • FR833929A - Improvements to signaling systems : en fr
  • GR7759B - METHOD OF HARDENING OF IRONS, IRON STEEL OR STEEL OBJECTS OF ALL KINDS. : el en
  • FR833802A - Articulation joint : en fr
  • GB494950A - Improvements in or relating to optical devices : en
  • US2134892A - Interlocking fastener : en
  • CA377481A - Centrifugal pump priming means : en fr
  • CA377487A - Lens grinding machine : en fr
  • CA377489A - Ball mill : en fr
  • PL27332B1 - Device for converting liquid fuel into gaseous fuel mixture to drive internal combustion engines. : en pl
  • GB494913A - Improvements in or relating to packing cases : en
  • US2135087A - Aligner and holder for screw spiking machines : en
  • DE666903C - Rodent extermination : de en
  • CA377483A - Potato slice treating apparatus : en fr
  • GB495011A - Filling and stamping apparatus for coke chambers, especially of distillation ovens : en
  • PL27319B1 - A driving device in electric vehicles, in particular powered by electricity from the mains. : en pl
  • US2134714A - Saccharine-aspirin tablet : en
  • GB495019A - Improvements in or relating to ultra-short wave transmitting and receiving devices : en
  • US2134699A - Separation of hydrocarbons : en
  • US2134815A - Printing : en
  • FR833840A - Connection lug : en fr
  • GB494852A - Improvements in and relating to fluorescent materials : en
  • CH200678A - Process for the preparation of a new monoazo dye. : de en
  • DE667179C - Device on winding machines for the production of fabric rolls, in particular for dyeing : de en
  • FR833910A - Bed : en fr
  • GB494737A - Improvements in lubricating apparatus : en
  • PL27337B1 - Ad Aa / 1 SZIOO Productive gear. : en pl
  • US2134994A - Taping head for winding apparatus : en
  • DE666935C - Device for pulling in loose thread loops : de en
  • GB495029A - An improved adjustable stay for casement windows and like service : en
  • CH200934A - Process for the preparation of a compound of theobromine. : de en
  • US2134790A - Mullion construction : en
  • US2135181A - Double wall refrigerator : en
  • US2135466A - Treatment of titanium bearing iron ores or spongy iron obtained therefrom : en
  • FR833859A - New billiard game : en fr
  • GB495094A - Improvements in or relating to electric socket and plug coupling connectors : en
  • DE667103C - Silencer for internal combustion engines : de en
  • GB494993A - Improvements in and relating to apparatus for shaping ice-cream : en
  • GB495184A - Improvements in the catalytic polymerisation of olefines : en
  • US2135231A - Attachment for flush-tank valves : en
  • FR833751A - Manufacturing process for flexible layered products : en fr
  • GB494990A - Method and apparatus for removing surface metal by means of oxidising gas : en
  • PL27221B1 - The feed or feed additive and the method of producing the feed. : en pl
  • CA377431A - Brake lever : en fr
  • DE666976C - Device for controlling the speed of an electric motor : de en
  • DE666905C - Oscillating structure for underwater sound transmitters and receivers that works according to the magnetostriction principle : de en
  • FR833862A - Method for limiting the modulation voltage of cathodic oscillator receivers : en fr
  • GB494690A - Improvements in maximum demand indicators : en
  • US2134926A - Process of cracking hydrocarbon oil and recovering stabilized distillate : en
  • US2135056A - Method for making loose leaf book sheets : en
  • CH200734A - Machine for producing gutters with beaded edges and similar workpieces from sheet metal plates. : de en
  • GB494968A - Improvements in or relating to the cartridging of gelatinous and semi-gelatinous blasting explosives : en
  • DE667157C - Circuit arrangement for correcting distorted adjustment currents : de en
  • DE667166C - Device for recording and playing back audio films with a magnetic sound device : de en
  • DK55407C - Procedure and Apparatus for Treating a Liquid Stored Under a Protective Atmosphere. : da en
  • GB494838A - Improvements in and relating to paper containers for oil and the method and machinesfor manufacture of same : en
  • FR833853A - Improvements to motor mowers, and similar apparatus in which the motor is carried on the back by the operator : en fr
  • US2134728A - Azo dyestuffs : en
  • US2135274A - Variable speed transmission : en
  • US2135319A - Secondary recovery of oil from underground reservoirs : en
  • AU508537A - Improvements in or relating to cathode-ray type direction-finders : en
  • USD111996S - Design fob a velocipede : en
  • FR833896A - Dynamometric device to limit a torque to an adjustable maximum value : en fr
  • CH200752A - Safety razor. : de en
  • US2135472A - Traffic control system : en
  • CH200631A - Sagittarius drivers for lap looms. : de en
  • GB494858A - Manufacture of carbazole-alkyl ketones : en
  • AU449337A - Improvements in mechanism for operating sliding doors : en
  • AU464037A - Mechanism for transmitting power tothe front and rear wheels of motor vehicles : en
  • CH200732A - Method and device for the further processing of ring-shaped metal blanks cast using the centrifugal method. : de en
  • US2134902A - Combined master cylinder and stop light switch for hydraulic brake systems : en
  • DE666969C - Installation switch with glow lamp glowing in the off position : de en
  • DE667003C - Internal combustion engine pistons, especially for high-speed diesel engines : de en
  • US2134804A - Air heater for blast furnaces : en
  • US2134986A - Cover interlocking device for safety switches : en
  • US2135259A - Esters of high molecular weight : en
  • US2134793A - Process of recovering alumina and potash from aluminous ores : en
  • AU105545B2 - Matching networks : en
  • CH200590A - Two or multiple flap weir. : de en
  • GB494924A - Steering wheels : en
  • CH200615A - Device for cleaning window panes, wall surfaces and the like. : de en
  • GB494695A - Improvements in or relating to coaxial conductor electric cables : en
  • FR833854A - Process for removing the harmfulness of substances, foodstuffs or their aqueous extracts, etc., containing caffeine : en fr
  • GB494831A - Improvements in and relating to electrical plug and socket outlets : en
  • DE666966C - Raising and lowering road wheelset for vehicles that are mainly designed as rail vehicles and can be used on roads and rails : de en
  • DE667072C - Method for mechanical sound recording : de en
  • FR833781A - Counter-rotating steam or gas turbine : en fr
  • CA377491A - Cooking apparatus : en fr
  • PL27234B1 - Device for ejecting signal cartridges. : en pl
  • FR833933A - Improvements to welded joints : en fr
  • PL27282B1 - Hand grenade, adapted to be fired from throwers. : en pl