• US2057432A - Treatment of hydrocarbon oils : en
  • US2057615A - Pile wire for doup heddle looms : en
  • US2056984A - Separation of unsaponifiable matter from saponifiable materials containing the same : en
  • US2057076A - Preparation of tetranitromethane : en
  • US2057233A - Faucet : en
  • US2057626A - Pencil plunger : en
  • CA361069A - Photographic layer : en fr
  • CH187004A - Umbrella canopy for dreariness and other purposes. : de en
  • CH186768A - Frame with glass fitting for windows. : de en
  • CA361091A - Electric switch : en fr
  • CH186947A - Process for producing a magnetic core and magnetic core produced by the process. : de en
  • US2057142A - Appliance for the extraction of weeds and the aeration of the soil : en
  • DE636533C - Hole punch with a gear for moving two stop rails against each other in order to center the documents to be punched : de en
  • DE636874C - Cash register or accounting machine : de en
  • GB455060A - Improvements relating to electric gas-blast circuit-breakers : en
  • DE636491C - Machine for producing worm mills, in particular globoid worm mills, using the hobbing process : de en
  • DE636655C - Cooking device for liquid and gaseous fuels or electrical heating with pull-out dirt slide : de en
  • US2057598A - Process of separating a liquid into its constituent parts : en
  • CA361139A - Can seamer : en fr
  • CH186810A - Device for cooking vessel lids to hold cooking utensils. : de en
  • CH186976A - Anode material for electrothermally modulatable emitters and process for their production. : de en
  • US2057637A - Cooling system for dynamo-electric machines : en
  • USD101558S - Design fob a panel : en
  • US2057166A - Manufacture of sheeted fiberbinder products : en
  • US2057220A - Brake testing and adjusting device : en
  • US2057606A - campos : en
  • CA361116A - Rubber stock operating apparatus : en fr
  • CH186886A - Process and upsetting machine for upsetting thickenings on workpieces. : de en
  • DE636704C - Pull trolley for draw bars : de en
  • ES142957A1 - An electric discharge valve. : en es
  • US2057114A - Apparatus for braking shuttles in looms for weaving : en
  • US2057510A - Arch supporting apparatus : en
  • US2057491A - Control of clutches in automobiles : en
  • DE636651C - Electric light tubes with alkali metal vapor filling : de en
  • FR804059A - Electric toaster : en fr
  • CA361159A - Dolomite brick : en fr
  • CH186797A - Cross beams for curtain rails. : de en
  • CH186796A - Rubber dowel, intended to be introduced into a cavity. : en fr
  • CH186946A - Multiple converters. : de en
  • US2057113A - Process for purification of solvents : en
  • DE636672C - Device for controlling the drive electric motors of the end stations of belt conveyors that can be moved in the transverse direction from an excavator that brings the material to be conveyed and that can be moved along the belt conveyor : de en
  • GB455268A - Improvements relating to magnetic material : en
  • ES4449Y - Automatic air intake valve. : en es
  • FR804105A - Device for testing internal combustion engines, in particular aviation engines : en fr
  • DE636914C - Double-sided glove and process for its manufacture : de en
  • ES4401Y - Folding metal chair. : en es
  • US2057317A - Driving mechanism for windshield wipers : en
  • CH186882A - Method and device for decarburizing metals and alloys. : de en
  • CH186764A - Method for producing a moth repellent. : de en
  • ES142987A1 - IMPROVEMENTS INTRODUCED IN KNITTING LOOMS WITH NEEDLES : en es
  • GB455147A - Improvements in and relating to mixing machines : en
  • FR803936A - Roller with internal combustion propellant device : en fr
  • CA361157A - Enamelling method : en fr
  • CA361065A - Safe knob covering : en fr
  • US2057046A - Control mechanism for the loose course motion of flat knitting machines : en
  • AU70936A - Improved method of manufacturing permanent magnets : en
  • US2057310A - Metal pile : en
  • DE636550C - Method for determining the fatigue strength of materials : de en
  • DE636606C - Ringing device for circular knitting and edging machines : de en
  • FR803997A - Advanced articulation device : en fr
  • GB455092A - Process for the manufacture of new anthraquinone derivatives : en
  • US2057176A - Pipe armor : en
  • US2057245A - Roofing : en
  • GB454995A - Improvements in sliding clasp fasteners : en
  • CA11216S - Christmas tree holder : en
  • CH186824A - Device for actuating hand washing plungers. : de en
  • CH186876A - Method and apparatus for raising the profile of a roadway. : en fr
  • CH187001A - Device for fixing a reflective patch on a vehicle such as a bicycle. : en fr
  • US2057092A - Suspended platform : en
  • US2057390A - Protecting socket for spark plugs : en
  • US2057427A - Retarded electric interrupter and switch : en
  • US2057306A - Aluminum catalyst : en
  • US2057480A - Control system for a group of elevators : en
  • US2057003A - Concealed roofing nail : en
  • US2057577A - Elastic thread : en
  • USD101545S - Design for a shoe : en
  • DE636921C - Frame for semi-trailer : de en
  • US2057138A - Electrical protective system : en
  • US2057616A - Apparatus for making infusions of coffee or the like : en
  • US2057396A - Massage device : en
  • US2057535A - Fishing rod handle : en
  • DE636782C - Working cylinder for internal combustion engines : de en
  • DE636840C - Process for the production of matted rayon : de en
  • DE636620C - Device for measuring, in particular remote measurement of the sum of measured quantities, in which the current strengths corresponding to the individual summands are regulated according to a compensation method : de en
  • ES4424Y - Drum holder to facilitate the spillage of the liquid it contains. : en es
  • GB455217A - Improved solvent, softening and swelling agents : en
  • US2057596A - Hydraulic regulating mechanism : en
  • NL40332C - : en
  • USD101539S - Design for a bottle : en
  • CA361169A - Suction pump : en fr
  • US2057319A - Benzyl-benzo-thiazyl sulphide and method of making the same : en
  • US2057579A - Apparatus for purifying and otherwise treating air : en
  • DE636767C - Umbrella frame with telescopic pole and roof pole parts that can be pushed together : de en
  • GB455075A - Improvements in and relating to weft thread stop motion for looms : en
  • GB455136A - Improvements in balanced valves : en
  • US2057273A - Copper or copper alloy bus or conductor for electrical currents : en
  • US2057578A - Dust collector : en
  • DE636631C - Process for impregnating friction bodies : de en
  • DE636866C - Ship loading system : de en
  • DE636611C - Lead alloys : de en
  • ES142810A2 - IMPROVEMENTS MADE IN THE PURPOSE OF THE PATENT BY PROCEDURE AND DISINFECTION AND CONSERVATION : en es
  • ES4482Y - A roll of toilet paper : en es
  • GB454957A - Improvements in carburetters for internal combustion engines : en
  • GB455104A - Apparatus for separating hollow bricks from a hollow rod or column of clay or the like and for closing said bricks in one operation : en
  • FR804044A - Skill game said to : en fr
  • US2056957A - Chair attachment : en
  • US2057353A - Vaporizing unit fob therapeutic : en
  • US2057378A - Bracing system for concrete forms : en
  • US2057562A - Electric cable : en
  • DE636599C - Electric discharge tubes, especially for emitting light rays, for horizontal burning position : de en
  • USD101592S - Design fob woven fabric : en
  • DE636687C - Synchronization arrangement in which the speed of the receiver motor is controlled by an alternating synchronization voltage transmitted by the transmitter : de en
  • US2057428A - Dyeing apparatus : en
  • US2057629A - Treatment of hydrocarbon oils : en
  • FR804009A - Process for stabilizing cellulose esters and products obtained by this process : en fr
  • FR804031A - Automotive : en fr
  • ES4466Y - Rigid, hand-removable cap-capsule : en es
  • GB455169A - Improvements relating to saddles or seats for motor cycles, cycles and the like : en
  • GB455354A - Improvements in and relating to cans and like metal containers : en
  • DE636565C - Locking device for the taeckshaemmer drive of heel lasting machines : de en
  • DE636905C - Underground irrigation system : de en
  • FR804153A - Apparatus for studying adhesives, glues or binders : en fr
  • ES142954A1 - An optical system. : en es
  • FR804117A - Device for crushing and chopping bones, bacon, etc., particularly intended for the treatment of cetaceans : en fr
  • FR804168A - Fire extinguisher cartridge : en fr
  • GB454948A - Method of increasing yield in the catalytic synthesis of aliphatic hydrocarbons : en
  • DE636748C - Collapsible boot jack : de en
  • DE636760C - Process for the production of well drying wool grease naphthenate driers : de en
  • ES143010A1 - A MACHINE FOR ELECTRIC TUBE WELDING : en es
  • ES142653A1 - A system, with its corresponding installation, for the industrial exploitation of the force of the sea. : en es
  • FR804074A - Device to neutralize the tension of the cycle brake cable : en fr
  • FR804199A - Pop-up door handle with locking mechanism intended for closing automobile, aircraft and other doors : en fr
  • US2056945A - Aromatic mercury alcoholates of hydroxy fatty compounds : en
  • CH186827A - Undershorts for women. : de en
  • CH186880A - Method for determining fat content in milk, cream and dairy products. : de en
  • CH186885A - Welding agent containing halogen salts for welding magnesium and magnesium alloys. : de en
  • CH186791A - Electric cooker. : de en
  • DE636922C - Compensating lock for motor vehicles : de en
  • FR804111A - Method and devices for determining the orientation and possibly the value of the dip of the land intersected by a sounding : en fr
  • GB455050A - Improvements in window fasteners : en
  • US2057230A - Car mover : en
  • US2057460A - Apparatus for the treatment of meat : en
  • US2057565A - Vehicle wheel : en
  • US2057174A - Glass grinding machine : en
  • US2057525A - Electric switch : en
  • US2056997A - Weighing device : en
  • GB455124A - An improved bobbin or spool for electrical apparatus : en
  • GB455351A - Improvements in or relating to cathodes for electron discharge devices : en
  • GR6050B - DEVICE FOR CONSTRUCTION AND DOWNLOADING BASIN COVERS. : el en
  • FR803994A - Mercury jet switch rectifier : en fr
  • GB455493A - Improvements in or connected with petrol pumps : en
  • GB455073A - Improvements in or relating to moulds for hat manufacture and methods of treating such moulds : en
  • US2057640A - Radio communication system : en
  • DE636753C - Device for automatic shooting in of protective bows : de en
  • US2057005A - Permanent waving apparatus : en
  • CA361202A - Brick furnace and sawdust burner : en fr
  • CH186872A - Apparatus for explaining the scales. : de en
  • US2057561A - Elastic fluid turbine arrangement : en
  • US2057297A - Handle for confections and method of joining : en
  • FR804048A - Man-made plastics capable of swelling or dissolving in water, and method of preparing them : en fr
  • FR804027A - Self-adjusting device with current and voltage regulators for variable speed dynamos of vehicle electrical systems : en fr
  • FR804029A - Improvements in the manufacture of flexible hats : en fr
  • CH186870A - Inkwell. : de en
  • FR803921A - Improvements in the construction of heating devices : en fr
  • ES142984A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • GB455118A - Improvements in and relating to apparatus for stemming, shredding and conditioning tobacco : en
  • ES143003A1 - Procedure for obtaining and using new derivatives of azo dyes, containing at least one hydroxylic group. : en es
  • GB455000A - Improvements in or relating to machines for pounding-up lasted shoes : en
  • GB455187A - Improvements relating to the reduction of interference in radio-receivers : en
  • DE636518C - Diesel engine with airless injection and an air storage : de en
  • US2057203A - Grease trap : en
  • DE636729C - Device for continuous cleaning and sifting, in particular of paper stock : de en
  • GB455087A - Improvements in or relating to the manufacture of polymerisable compounds : en
  • DE636309C - Process for the preparation of hydrogen halide addition products of monovinylacetylene : de en
  • FR804060A - Colander device applicable to buckets and other containers : en fr
  • GB454971A - Improvements in and relating to the construction of hollow floors such as for pig sties : en
  • GB454985A - Improvements in, or relating to, electric switches of the tumbler type : en
  • DE636619C - Device for measuring the supply of liquid or solid substances in a container by determining the change in pressure caused by a specific change in volume of the empty space in the container : de en
  • US2057163A - Preparation of solutions of hydroxy-cellulose ethers : en
  • US2056943A - Combined beverage container and serving tray : en
  • US2057401A - Conversion of hydrocarbon oils : en
  • FR804130A - Method and device for operating gas or steam turbines with variable load : en fr
  • GB455081A - Improvements in or relating to fire extinguishing apparatus : en
  • FR803954A - Improvements to cigarette paper notebooks : en fr
  • US2057538A - Bottle filler : en
  • USD101588S - Design fob a plate or similar : en
  • GB454967A - Improved jack : en
  • US2057099A - Production of sulphur dioxide : en
  • FR803950A - Reverse Propeller Aviation Engine : en fr
  • GB455098A - Improvements in and relating to tobacco treating apparatus particularly for the preparation of cigarette tobacco : en
  • CH186948A - Arrangement for monitoring the operation of converting devices working with steam or gas discharge paths. : de en
  • ES4551Y - Improved showering device. : en es
  • GB455056A - Improved means for treating the charges of internal combustion engines : en
  • US2057599A - Tennis practice machine : en
  • DE636929C - Cylinder lock, the rotary cylinder of which is locked against the fixed part of the housing by a cross bolt controlled by disc locking devices : de en
  • DK52288C - Light reflector. : da en
  • FI17224A - Self-closing valve : en fi
  • GB455213A - Improvements in and relating to coin-freed prepayment meter : en
  • GB455223A - Improvements relating to wringing, mangling and washing machines : en
  • GB455053A - Improvements in or relating to slide rules : en
  • ES142992A1 - A system of electrodes. : en es
  • FR804156A - Command and control station for machine guns or other automatic weapons : en fr
  • DE636661C - Ignition current switch for the starter of aircraft engines that are started with compressed air : de en
  • DE636915C - Chain stitch shoe sewing machine : de en
  • CH187000A - Equipment on bicycles to protect against getting caught on train tracks. : de en
  • USD101575S - Design for a combination screw cap : en
  • USD101582S - Design for a textile fabric or simi : en
  • DE635286C - Electrically heated device for brewing coffee : de en
  • DE636564C - Directional indicator with electrical lighting that can be fastened to the wrist or arm : de en
  • DE636930C - Box-shaped snap bolt made of sheet metal : de en
  • GB455062A - Improvements in or relating to the manufacture of non-caking granular sugar : en
  • DK52292C - Method and Apparatus for the manufacture of clichés and similar printing plates. : da en
  • DK52303C - Device for Intestinal Flushing Devices. : da en
  • DE636728C - Dressing roller for profile grinding tools : de en
  • US2057196A - Dynamo-electric machine filter : en
  • US2057509A - Method of and apparatus for applying starch : en
  • US2057215A - Carburetor : en
  • GB455054A - Improvements relating to looms for weaving pile fabrics : en
  • ES4391Y - Stockings. : en es
  • CH186932A - Light alloy pistons. : de en
  • CA361077A - Sealing machine : en fr
  • DE636830C - Accumulator column : de en
  • US2056941A - Electrically heated liquid container : en
  • US2057055A - Combination fish net and basket : en
  • US2057504A - Golf device : en
  • CH186913A - Load hook that releases automatically, especially for hay powder elevators. : de en
  • CH186786A - Window hinge. : de en
  • US2057441A - Method of burning coke from heater tubes : en
  • US2057569A - Apparatus for use in case hardening of glass sheets : en
  • US2057514A - Loose leaf binder : en
  • CH186782A - Conveyor device for items treated in continuously operated ovens. : de en
  • CH186981A - Collapsible shipping box. : de en
  • DE636868C - Process for the production of cellulose esters : de en
  • US2057300A - Fruit halving and pitting machine : en
  • CH186829A - Sleeping bag. : de en
  • US2057513A - Water level control : en
  • CH186794A - Drive device for pastry machines. : de en
  • DE636769C - Board curtain : de en
  • GB455200A - Improvements in or relating to deflecting means for cathode-ray tubes : en
  • US2057302A - Method and machine for lapping cutter blades : en
  • CA361086A - Resinous composition : en fr
  • ES142935A1 - Automatic interlocking cabin for routes. : en es
  • CA361093A - Electric cut-out : en fr
  • US2057241A - Dynamo-electric machine : en
  • DE636735C - Device for hanging up sausages : de en
  • US2057530A - Safety razor, hone strap, and container : en
  • CA361051A - Knitting machine : en fr
  • CA361174A - Panel securing device : en fr
  • CH186897A - Toolbox. : en fr
  • GB455157A - Improvements relating to electromagnetic apparatus : en
  • US2057589A - Extensible buckle construction : en
  • DE636595C - Device for laying electrical submarine cables : de en
  • US2057550A - Coffee urn : en
  • FR804149A - Improvements to beams or similar cylinders with movable cheeks : en fr
  • CA361071A - Electrical copper : en fr
  • CH186795A - Wooden screw anchors made of lead. : de en
  • ES143053A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • USD101531S - Design fob a display cabinet : en
  • DE636496C - Process for drying fluids of vegetable or animal origin, e.g. Fruit juices or whey : de en
  • USD101534S - Design for a water closet : en
  • DE636707C - Process for the precipitation of alumina hydrate from alkali aluminate solutions : de en
  • US2056934A - Mop : en
  • US2056955A - Selectivity control circuit : en
  • US2056956A - Container : en
  • GB455016A - Improvements relating to pressure reducing valves or regulators : en
  • US2057424A - Treatment of hydrocarbon oils : en
  • GB455143A - Improvements in or relating to suspended or overhead conveyors : en
  • CA361099A - Steel welding method : en fr
  • DE636977C - Procedure for reducing or suppressing the muzzle flash : de en
  • GB454979A - Improvements in or relating to machines for sharpening cutting tools : en
  • GB455097A - Improvements in and relating to lubricants : en
  • FR803928A - Process improvements for the manufacture of hollow valves : en fr
  • DE636503C - Device for the production of carriers provided with an abrasive coating : de en
  • FR803947A - Automatic liquid level regulator : en fr
  • US2057363A - Manufacture of textile yarns and the production of fabrics therewith : en
  • US2057511A - System of control : en
  • US2057628A - Wheel rim : en
  • ES4518Y - Shuttle bit : en es
  • US2057532A - Switch and lock device : en
  • DE636694C - Procedure for starting asynchronous three-phase motors with a short-circuited armature : de en
  • DE636751C - Belt closure : de en
  • USD101599S - Design fob a circulation heater : en
  • DE636668C - Hydraulic vacuum fruit press with one or two extendable or swiveling press beds : de en
  • ES143040A1 - An air humidifier. : en es
  • DE636624C - Switching regulator for the winding of goods on ribbon looms : de en
  • FR804134A - Improvements to gearboxes : en fr
  • GB455101A - Improvements in the manufacture of electric discharge devices : en
  • US2057365A - Ice auger : en
  • US2057382A - Cement mortar : en
  • US2057037A - Machine for applying glass panels to can ends : en
  • US2057182A - Lubricator : en
  • DE636153C - Circuit arrangement for telephone systems with main and sub-offices and dialer operation : de en
  • DE636656C - Wire tensioner, the tensioning piece of which can be moved by means of a screw bolt attached to a post : de en
  • DE636724C - Stem material for socket seals : de en
  • FR804008A - Improvement of roller machines for handling wet fabrics : en fr
  • FR804103A - Improvements in sandal making : en fr
  • ES4396Y - A steering wheel for cars and other applications : en es
  • ES142629A1 - A method and device for adjusting the temperature of the glass in the manufacture of glass objects in an oven with a basin. : en es
  • ES4772U - Removable tire for wheels of trucks, cars and similar vehicles. (Machine-translation by Google Translate, not legally binding) : en es
  • IE13920L - Finishing paper pulp articles : en
  • US2057043A - Attaching means for tube machine closures : en
  • DE636575C - Lead pipe press, in particular lead cable press : de en
  • FR803970A - Settling device : en fr
  • US2057501A - Sandwich grill : en
  • US2056947A - Container : en
  • US2057276A - Apparatus for burning fuel : en
  • ES143001A1 - Improvements in the indicators of multiple scales. : en es
  • FI17212A - Anordning for automatic volume control by radio control equipment : en fi
  • GB454992A - Improvements in or relating to cooking grills : en
  • GB455001A - Sewing and trimming machine : en
  • DE636706C - Device for attaching stems to work equipment such. B. wipers, scrubbers, brooms and. Like., By means of a two-part sheet metal sleeve : de en
  • GB455196A - A new or improved method and means of tapping and branching electric cables : en
  • ES141613A2 - An improvement in the conduction of liquids from tanks in which they are expelled under forced pressure.Certificate of addition to patent 134,712 : en es
  • FR804195A - Methods and apparatus for drying, smoking, rubber sheets : en fr
  • GB455038A - Improvements in paper feeding and cutting apparatus : en
  • US2057169A - Automatic firearm : en
  • DE636764C - Circular knitting machine with two needle cylinders : de en
  • FR804023A - Rotary suction and pressure pump for all applications : en fr
  • GB454956A - Improvements in or relating to modulated carrier wave television and like transmitters : en
  • DE636821C - Plate leveler : de en
  • GB454998A - Method for the production of the contours in the drawing to be transferred by photogravure upon the intaglio cylinders or plates : en
  • US2056972A - Purification of ether : en
  • US2057007A - Vapor phase cracking of hydrocarbons : en
  • US2057277A - Convertible washing machine : en
  • US2057331A - Process of producing pulps containing rubber substances : en
  • US2057017A - Spot welding members onto metallic tubes : en
  • US2057602A - Battery terminal connecter : en
  • DE636801C - Feed regulator for beater and winding machines : de en
  • GB455005A - Improvements in or relating to electric starters for motor vehicle engines : en
  • ES143007A1 - PROCEDURE FOR THE MANUFACTURE OF A WATERPROOFING COMPOSITION : en es
  • FR803929A - Lapel point of men's and ladies' clothes provided with an internal lining and process for the manufacture of this lapel point : en fr
  • FR803982A - New refrigerated cabinet : en fr
  • FR804139A - Flexible packing and its application to bogie pivots : en fr
  • CH186906A - Compliant shaft coupling. : de en
  • DK52296C - Replaceable Heel flap. : da en
  • GB455180A - Improvements in mills, for pepper, salt, sugar, coffee and the like : en
  • DE636351C - Process for the preparation of monoazo dyes : de en
  • ES142965A1 - A process for the manufacture of coloring matters. : en es
  • ES143050A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT, REGARDING THE IMPROVEMENT IN THE OPERATION OF MACHINES ALREADY DRIVEN BY THE HUMAN BODY AND THROUGH DYNAMOS, THROUGH THE INTERPOSITION OF A TRANSMISSION : en es
  • FR803932A - A means of conveniently pouring oil into the crankcase of an automobile engine, etc. : en fr
  • US2057296A - Process of bleaching animal fibers : en
  • US2056962A - Method of lacing shoe uppers : en
  • CH186862A - Cinematographic recording camera with mechanical drive. : de en
  • GB455359A - Improvements in telegraph, signalling, and like selective systems and apparatus : en
  • US2057257A - Method of and means for separating fluids : en
  • US2057284A - Fruit packer's stand : en
  • DE636836C - Electric resistance furnace with a cylindrical boiler room : de en
  • USRE20130E - Tape puller : en
  • US2057094A - Electrolytic condenser : en
  • US2057575A - Quick-release strap fastener : en
  • DE636650C - Device for controlling or displaying a frequency : de en
  • US2057274A - Process for heat treating ferrous metals : en
  • FR804173A - A method of fixing on flexible or non-flexible surfaces in fabric or other material, waterproofed or not, signs or characters of advertising or decoration : en fr
  • DE636582C - Device for maintaining the operation of a direct current network : de en
  • DE636762C - Process for the gasification of fine-grain fuel : de en
  • USD101526S - Design for a textile fabric or : en
  • DE636902C - Pressure gauge : de en
  • DE636844C - Process for the extraction of cadmium : de en
  • DE636875C - Connecting rod assembly in internal combustion engines : de en
  • CH186992A - Hydraulic jack. : de en
  • ES142960A1 - Improvements in the manufacture of impregnated fibrous materials, especially paper and similar products. : en es
  • FR804045A - Process for recovering hydrocyanic acid : en fr
  • DE636383C - Elbow for offset pipelines : de en
  • DE636686C - Synchronization process using control pulses transmitted remotely at regular intervals : de en
  • GB455096A - Improvements in and relating to lubricants : en
  • GB455246A - An improved device for holding animals : en
  • ES143008A1 - A method of manufacturing electrical resistances with negative temperature coefficients. : en es
  • FR804129A - Radio receiver with automatic sound volume adjustment : en fr
  • FR804175A - System and apparatus for carrying out shots and measurements at night : en fr
  • NL39235C - : en
  • US2057308A - Combined thermostat and timer control for burners : en
  • US2057457A - Method of making expansion joints for ice trays : en
  • US2057607A - Auxiliary wheel : en
  • DE636591C - Band filter with variable bandwidth for wireless receivers : de en
  • DE636827C - Device for the rapid preparation of ice cream : de en
  • ES142981A1 - An apparatus for manufacturing hollow articles of rubber or similar material or containing such materials. : en es
  • GB455238A - Improvements in or relating to apparatus for photo-chemical treatment of strip material : en
  • DE636847C - Air storage diesel engine with a heart-shaped main combustion chamber opposite the piston displacement : de en
  • DE636920C - Tilt protection for motorized turntable ladders : de en
  • US2056942A - Safety device for brakes for vehicles : en
  • US2057144A - Process for manufacture of vinegar : en
  • US2057150A - Two-stage pressure regulator : en
  • US2057145A - Pharmaceutical preparation for stimulating the respiratory centre and increasing the circulation : en
  • US2057537A - Flower holder : en
  • DE1387298U - : de en
  • DE636243C - Airship with stabilization surfaces : de en
  • GB455265A - Improvements relating to sheet feeding apparatus for printing and like machines : en
  • US2057020A - Impermeable bituminous sheets : en
  • USD101527S - Design for an ashtray or similar : en
  • ES4531Y - A new adjustable pressure clamp : en es
  • ES142945A1 - A method for the manufacture of wheels. : en es
  • US2056988A - Shoe machine : en
  • CA361153A - Road material machine : en fr
  • US2057164A - Internal combustion engine : en
  • US2057474A - Signal means for rail cars : en
  • CA361089A - Electric switch : en fr
  • GB455009A - Improvements in and relating to electric lamps : en
  • US2057259A - Apparatus for chemically cleaning and drying fabrics, textiles, garments and the like : en
  • US2057517A - Driving mechanism for aircraft parts : en
  • US2057523A - Perpetual calendar : en
  • DE636824C - Wash brush for cleaning the body of automobiles and the like like : de en
  • FR803914A - Coffee filter with water supply : en fr
  • GB454982A - Improvements in or relating to flow proportioning means : en
  • NL39236C - : en
  • AU89736A - Improvements in or relating tothe purification of air and gases : en
  • DE636692C - Push button control for cable cars and similar drives with reversible direction of rotation : de en
  • DE636839C - Spinning bobbin for rayon with adjustable size : de en
  • US2057244A - Machine for making heat transfer units : en
  • US2057566A - Endless clothesline pulley : en
  • ES142624A1 - A machine for debarking or defiberizing textile plants, such as silt, hemp, ramie or others. : en es
  • FI17205A - For the purposes of the alcoholic beverages in the mining sector : en fi
  • FR803919A - Comparator photometer : en fr
  • USRE20129E - hewes : en
  • FR804112A - Process for preparing mercaptans and other organic sulfur compounds : en fr
  • GB455224A - Improvements in and relating to froth flotation of ores : en
  • GB455256A - Improvements in and relating to electrodes for electric discharge devices : en
  • GB454983A - Improvements in or relating to aircraft and propulsion means therefor : en
  • GB455250A - Improvements relating to hot water apparatus : en
  • CH186921A - Two-stroke internal combustion engine. : de en
  • US2057503A - Laminated core and method of producing the same : en
  • CH187003A - Single axle drive. : de en
  • ES143060A1 - A process for the manufacture of grooved or boring spike rivets. GO TO UTILITY MODEL. : en es
  • CA361114A - Rail tempering apparatus : en fr
  • US2057644A - Reflector projection lamp : en
  • GB455285A - Process for dyeing cellulose acetate artificial silk : en
  • GB455109A - Fittings for the cylinders of internal combustion engines : en
  • DE636625C - Process for the production of crystalline dextrose : de en
  • DK52300C - Bicycle saddle with upright coil springs. : da en
  • FR803959A - Electrolyser tank more particularly usable for zinc electrolysis : en fr
  • FI17231A - Training device for firing bullets with a machine gun using compressed air : en fi
  • ES142956A1 - Improvements in band filter systems for radiocommunication receivers with variable bandwidth. : en es
  • DE636658C - Process for the production of insulating compounds : de en
  • FR804152A - Process for making wooden pavings or similar surfaces non-slip : en fr
  • FR804170A - Device for screwing and unscrewing studs or other similar parts : en fr
  • GB455103A - Improvements in or relating to looped tube steam generators, water or air heaters : en
  • USD101568S - Design for a combined back and abm : en
  • FR804185A - Process for making concrete piles molded in the ground, with a statically proven widened base, without piling and without drilling : en fr
  • FI17211A - Powerfulness : en fi
  • GB455095A - Sewing machine attachment : en
  • GB455431A - Improvements in or relating to naval gun fire control systems : en
  • GB455436A - Improvements in the production of approximately neutral or reducing atmospheres containing carbon dioxide and carbon monoxide and in apparatus therefor : en
  • DE636936C - Machine group consisting of exhaust gas turbine and blower serving to charge an internal combustion engine : de en
  • FR804124A - Process for preparing cyanohydrins : en fr
  • ES143006A1 - Tocological probe for veterinary. : en es
  • CH186766A - Putty-free glass roof. : de en
  • FR804163A - Further development of tube oscillators : en fr
  • US2057279A - Feeding mechanism : en
  • US2057398A - Sludge detecting and oil sampling gun : en
  • US2057522A - Negative glow lamp : en
  • CH186836A - Machine for trimming heel covers. : de en
  • DE599573C - Stand-up collar : de en
  • IS186A7 - Pants outfit : en is
  • US2057337A - Support : en
  • USD101601S - Design for a dress : en
  • CH186801A - Height-adjustable base for swivel chairs, tables, stands and the like. : de en
  • CA361110A - Radio casing : en fr
  • DE636617C - Process for the production of propellers : de en
  • DE636912C - Process for preventing the corrosion of magnesium and magnesium alloys : de en
  • CA361070A - Fine material granulating apparatus : en fr
  • US2056980A - Air conditioning system for vehicles : en
  • US2057101A - Refrigerating plant : en
  • US2057458A - Electric regulator : en
  • US2057403A - Loading and unloading machine : en
  • USD101537S - Design for a casing fob : en
  • FR804049A - Improvements to articles for the transport or holding of objects, such as in particular baskets for carrier pigeons and the like : en fr
  • GB455160A - Improvements in, or relating to, electric cycle lamps : en
  • ES142663A1 - Improvements in the manufacture of sliders for sliding closing edges. : en es
  • DE636665C - Process for anodic oxidation of aluminum or aluminum alloys : de en
  • US2057089A - Hydraulic road grader : en
  • US2057026A - Drill bit : en
  • US2057483A - Selective oil dispenser : en
  • DE636738C - Container for viscous substances, e.g. B. lubricating oils : de en
  • DE636792C - Drive device, especially for bicycles : de en
  • CA361067A - Pit prop : en fr
  • USD101521S - Design for a book rack or similar : en
  • CA361142A - Heater : en fr
  • CH186771A - Process for the construction of a dam in at least two separate phases. : de en
  • US2056938A - Engine mount : en
  • GB455230A - Improvements in oil feeding systems for internal combustion engines : en
  • CH186967A - Liquid fire extinguishing equipment. : de en
  • DE636632C - Device for the simultaneous playback of image and sound recordings on plate or cylinder-shaped carriers : de en
  • CA361155A - Safety glass manufacture : en fr
  • CH186987A - Conveyor system. : de en
  • ES142951A1 - PROCEDURE FOR MARKING ANGULAR SECTORS, AS NARROW AS WANTED, WITH DIFFERENT WARNING SIGNALS ON BOTH SIDES THROUGH TWO DIRECTING RAYS : en es
  • CH186974A - Arrangement for separating the synchronization characters from the image stream on the receiving side of television systems. : de en
  • DE636740C - Steam burner for low-viscosity fuels : de en
  • DE636771C - Oven for roasting or calcining powdery substances : de en
  • DE636772C - Helical sole stove : de en
  • FR804189A - Amplifier device for photo-telegraphic transmissions : en fr
  • US2057197A - Vending vehicle : en
  • US2057413A - Treating plant material : en
  • FR804042A - Box with opening device for the lid : en fr
  • DE636430C - Paddle wheel for ship propulsion : de en
  • US2057148A - Kite : en
  • US2057222A - Oil ring for locomotive rod pins : en
  • US2057121A - Packaging of fibrous materials : en
  • CH186998A - Coupling device for transmitting the drive movement of the running wheel drive axle of a motor-driven agricultural machine to its running wheels. : de en
  • US2057161A - Calculating machine : en
  • US2057207A - Lubricator : en
  • US2057541A - Supervisory control system : en
  • FR804092A - Light signal for motor vehicles : en fr
  • DE636683C - Device for air cooling heat-emitting parts of refrigerators or the like. : de en
  • US2057431A - Method of making resistance elements : en
  • US2057072A - Manufacture of strap sandals : en
  • US2057442A - Method of producing porous solid matter and products thereof : en
  • CA361076A - Zinc oxide manufacture : en fr
  • CH187028A - Process for maintaining, during transport, the impregnation of electrical cables with insulation impregnated with a liquid, and device for carrying out this process. : en fr
  • CA361150A - Ceramic article : en fr
  • US2057258A - Motor : en
  • CH186802A - Folding cot for children. : en fr
  • FR803937A - Monobloc gearbox-reverser-gearbox for controlling ship propellers : en fr
  • DE636876C - Welding of tool steels with an atomic hydrogen flame : de en
  • US2057346A - Metal barrel with floating inner container : en
  • CH186868A - Photographic light sensitive material. : de en
  • FI17235A - Presses made of or pressed with a crimped press for a pressed press : en fi
  • FR803958A - Apparatus for machining by turning the intersection surface of a circular tube with any cylindrical surface : en fr
  • GB455263A - Improvements in the grinding mechanism of mills for granular materials : en
  • US2057295A - Bag machine : en
  • FR803972A - Improvements to gasifiers : en fr
  • FR803976A - Airplane of a new type : en fr
  • GR6053B - TABLE CALENDAR ADVERTISING PLANTS. : el en
  • ES4529Y - Crown cap with opening device. : en es
  • CA361177A - Disintegrating machinery : en fr
  • DE636358C - Process for the production of copper-containing azo dyes : de en
  • CH186846A - Process for the preparation of 1,4-diamino-2-p-isoamylphenoxy-3-isoamylmercaptoanthraquinone sulfonic acid. : de en
  • DE636014C - Multi-cylinder cooling machine : de en
  • ES142638A1 - A manufacturing process for stable metal phthalocyanines. : en es
  • US2057012A - Safety fastener : en
  • DE636793C - Two-wheeled vehicle moved by pegs : de en
  • FR803963A - Landing gear : en fr
  • GB455178A - Improvements in or relating to metal bands, strips or binders : en
  • CH186890A - Woodworking machine. : en fr
  • US2057477A - Combined directional signal and service lamp : en
  • ES143000A1 - An electrode system for rectifying or controlling high or medium frequency electric oscillations. : en es
  • US2057576A - Measuring device : en
  • GB455058A - Improvements in infants' nursery cars : en
  • ES4464Y - Machine to cut potatoes, turnips and other tubers, into strips. : en es
  • FR803903A - Improvements to washing machines and the like : en fr
  • NL39234C - : en
  • DE636623C - Free fall ram for sheet piles and piles : de en
  • DK52298C - Apparatus for Measuring Heat Consumption. : da en
  • AU402318B2 - Catalyst and process for the steam reforming of hydrocarbons : en
  • CH186931A - Fuel injector for internal combustion engines. : de en
  • FR804192A - Method and device for projecting cinematographic images, permanent images for the transmission of optical signals, etc. : en fr
  • DE636722C - Circular saw for cutting veneers : de en
  • DE636823C - Process for reserving colorings from sulfuric acid esters of the leuco compounds of cottonseed dyes on cellulose fibers : de en
  • GB455069A - Improvements in or relating to devices for automatically increasing the braking effort of compressed air brakes at high speeds : en
  • GB455259A - Improvements in or relating to electric accumulators : en
  • DE636572C - Building game : de en
  • CA361103A - Hydrocarbon compound conversion : en fr
  • US2057106A - Apparatus for conditioning air : en
  • US2057590A - Tire valve stem cap : en
  • US2057122A - Package for fibrous materials : en
  • US2057261A - Fire control computer : en
  • US2057466A - Method of and apparatus for molding refractory blocks and the like : en
  • ES142966A1 - A process for extracting or uniformly distributing floury substances or granules of all kinds, from the containers of provisions, silos, dumps or the like. : en es
  • US2057546A - Electric switch gear : en
  • US2057383A - Oil burner control : en
  • DE636576C - Process for the hydrogenative cleavage of hydrocarbons : de en
  • DE636880C - Process for dyeing leather : de en
  • GB455106A - Improvements in means for controlling internal-combustion engines for aircraft : en
  • US2057486A - Process of coking coal : en
  • DE636877C - Couffinhal press for the production of briquettes : de en
  • FR804166A - Wandering piston machine usable as compressor, pump, motor, etc. : en fr
  • GB455348A - Improvements in or relating to carrier telephone systems : en
  • USD101520S - Design for a plate or similar article : en
  • US2057168A - Bridge : en
  • DE636752C - Closing device for the preheater of the carburetor of a petroleum glow light or heat jet device, which is designed as an atomizer : de en
  • DE636948C - Lid closure for cylindrical openings in vessels under internal overpressure : de en
  • US2057254A - Receptacle : en
  • USD101541S - Design for a jockey s racing boot : en
  • USD101546S - Design fob a cockade : en
  • USD101533S - Design fob a pen desk stand : en
  • ES143033A3 - A method of manufacturing a resistant and waterproof composite fabric. : en es
  • US2057002A - Basket and cover construction : en
  • US2057417A - Gang lawn mower : en
  • USD101529S - Design for a pipe back compact : en
  • DE636858C - Security device against theft of motor vehicles : de en
  • CA361198A - Cultivator relief device : en fr
  • US2057255A - Track shunting apparatus : en
  • US2057405A - Sink, draining board, table top and the like, manufactured of metal : en
  • US2057126A - Slider for fasteners : en
  • US2057447A - Inwardly removable refrigeration unit : en
  • US2057098A - Method and apparatus for manufacturing thoriated filament devices : en
  • US2057557A - Mechanism for automatically causing change in direction of course of travel of toys : en
  • DE636783C - Die holder with several dies and unscrewable, hollow handles : de en
  • GB455191A - Improvements relating to remote controls for marine power plants : en
  • DE636584C - Device for painting documents with viscous aqueous rubber dispersions : de en
  • USD101595S - Design fob book fapeb ob similab : en
  • USD101532S - Design fob a welding electrode : en
  • FR804125A - Granulated fertilizers based on ammonium sulphate or ammonium chloride and dolomite : en fr
  • US2057077A - Dental instrument : en
  • GB454953A - Improvements in and relating to induction furnaces : en
  • GB454975A - Method of and apparatus for hardening of icecream and analogous comestible materials by refrigeration : en
  • GB455105A - Improvements in and relating to transmission system of pedal operated velocipedes and the like : en
  • ES143044A1 - Improvements in the procedure for rubberizing fabrics, which allow it to be applied to knitted fabrics, cloths, cloths and, in general, to fabrics with hairy and delicate surfaces. : en es
  • GB455125A - Improvements in or relating to electric discharge tubes, in conjunction with oscillating circuits : en
  • FR804114A - Method and apparatus for stapling metal straps to be strapped and the like : en fr
  • FR804187A - Process for obtaining white pulp from printed paper : en fr
  • US2056981A - Glass gathering device : en
  • DE636913C - Process for improving the corrosion resistance of magnesium and magnesium alloys by surface treatment : de en
  • FR804079A - Improvements to internal combustion engines : en fr
  • FR804174A - Hydraulic remote control device : en fr
  • FR803916A - Electrical insulating materials and their manufacturing process : en fr
  • GB455214A - Improvements in bridge construction : en
  • FR804034A - Mounting method intended to improve the stability of the initial settings of the transmitting or receiving circuits of t. s. f. or television : en fr
  • FR804039A - Method and device for producing, at different operating speeds, automatic ignition in piston engines operating according to the explosion cycle : en fr
  • GB455173A - Improvements in or relating to the combination and arrangement of parts in fluid-pressure-operated and vacuum-operated systems : en
  • GB455245A - An improvement in or relating to fire extinguishers : en
  • FI17232A - Slagtändare : en fi
  • GB455276A - Improvements in the production of gaseous atmospheres : en
  • GB455055A - Improvements in or relating to measuring devices for use in the game of bowls : en
  • DE636791C - Liquid shock absorbers, especially for cars : de en
  • ES142953A1 - A procedure for manufacturing construction material. : en es
  • US2057516A - Lay-out, checking, and finishing tool : en
  • US2057271A - Method of stripping rhodium plating : en
  • US2057467A - Extruding machine : en
  • US2057100A - Apparatus for treating liquids with gases : en
  • US2057218A - Method and apparatus for producting fire extinguishing foam : en
  • US2056965A - Posture chair : en
  • US2057376A - Regulating device for wireless receivers : en
  • DE636700C - Ribbon storage and switching for calculating and similar machines : de en
  • DE636539C - Electrically driven submersible pump set with stuffing boxes intended for use in salt water or other alkalis : de en
  • DE636864C - Scraper conveyor : de en
  • FR804015A - Improvements in color photography : en fr
  • GB454980A - Improvements relating to high speed lapping heads : en
  • DE636770C - Process for the production of objects made of rubber or the like with a spongy or cellular structure : de en
  • ES143052A1 - A new car or trolley system for the attraction known as the roller coaster. : en es
  • FR804097A - Bifocal parabolic reflectors and their manufacturing process : en fr
  • GB455203A - Improvements in trawl fishing gear : en
  • US2056993A - Method and apparatus for continuous digestion : en
  • USD101569S - Design for a rocker chair frame : en
  • GB455252A - Carpet sweeper casing : en
  • ES142101A1 - Improvements in the transmission mechanisms for mechanical mowers. : en es
  • FR804127A - Process for covering various objects with a homogeneous lead layer of varying thickness : en fr
  • DE636659C - Working process for two-stroke internal combustion engines with reciprocating pistons running in opposite directions : de en
  • FR804151A - Improvements to cathode beam exploration devices usable in particular in television : en fr
  • GB455226A - Improvements in fasteners for stair carpets : en
  • DE636504C - Padlock housing : de en
  • DE636602C - Device for converting electrical energy into heat : de en
  • US2057083A - Signaling system : en
  • US2057260A - Lipstick holder : en
  • DE636677C - Lifting cistern : de en
  • CH186807A - Key holder. : en fr
  • GB455199A - Improvements in or relating to pipe or tube bending machines : en
  • DE636583C - System for the simultaneous pulling of endless glass strips and for removing larger quantities of glass for rolling glass plates : de en
  • CH186901A - Safety bolt and nut. : en fr
  • US2057093A - Fuse-plug type circuit breaker : en
  • AU401467B2 - Improvements in or relating to demodulating circuit arrangements : en
  • FR804121A - Method and device for regulating compressors, and in general refrigerating machines : en fr
  • GB455261A - A process for the production of easily soluble pudding preparations : en
  • DE636806C - Spray and atomizer head piece : de en
  • FI17229A - Med hål försedd malskiva för köttkvarnar : en fi
  • GB454965A - Apparatus adapted for the application of surface coverings for roads : en
  • USD101556S - Design for a band mirror : en
  • USD101596S - Design fob a bag : en
  • ES142998A1 - ARRANGEMENT FOR AMPLITUDE MODULATION : en es
  • GB454974A - Method of grinding and setting the knives of cutting devices of cigarette machines or the like : en
  • FR803911A - Improvements to electrical switches of the rocker type, snap action : en fr
  • FR803956A - Further training in vehicle lighting : en fr
  • DE636721C - Heating furnace with a smoke space arranged next to the furnace and traversed by vertical air circulation pipes : de en
  • DE636531C - Stapler with automatic stapling : de en
  • DE628655C - Compound for the production of a nailable filling : de en
  • DE636943C - Device for the production of the ring attachment on jumping rings : de en
  • DE636802C - Process for the production of a rubbing surface from amorphous phosphorus for purpose : de en
  • US2057303A - Method of grinding cutter blades : en
  • DE636947C - Paper guiding and holding device on typewriters or the like. : de en
  • DE636730C - Method and device for preparing moist pulp for pneumatic conveying : de en
  • FR803927A - Process for the manufacture of hollow valves : en fr
  • DE636671C - Signal horn with signal whistles of different pitch and a common wind pressure regulator for all whistles : de en
  • FR804169A - Deep well pump : en fr
  • GB455159A - Improvements relating to apparatus for removing sediment and scum from settling tanks or reservoirs : en
  • FR804047A - Gear shift mechanism : en fr
  • CA361170A - Ring bound book : en fr
  • DE636605C - Single-needle warp knitting machine : de en
  • FI17209A - Anordning för framställning av etylenglykol : en fi
  • CH187020A - Process for the preparation of an azo dye. : de en
  • US2057143A - Metalworking tools-means for connecting the cutter to the holder : en
  • US2057344A - Lock joint friction electrical connecter : en
  • DE636773C - Process for the extraction of metals from ores : de en
  • DE636790C - Self-sealing cuff for liquid shock absorbers in motor vehicles : de en
  • ES142971A1 - Perfeccionamientos in the disks of calls of automatic telephones. : en es
  • CH186994A - Emergency brake with anti-skid effect on road vehicles. : de en
  • US2057400A - Algebraic totalizer : en
  • CA361171A - Indenting machine : en fr
  • CH187021A - Process for the preparation of an azo dye. : de en
  • US2057081A - Paper glazing machine : en
  • US2057088A - Fluid pressure controlling valve : en
  • US2057631A - Conversion of hydrocarbons : en
  • DE636775C - Process and device for cleaning zinc : de en
  • DE636870C - Device on writing, calculating and similar machines for inserting and aligning continuous writing sheets and to be inserted in front of them : de en
  • CA361186A - Massaging device : en fr
  • US2057239A - Combined observation and speaking port : en
  • NL39484C - : en
  • DE636685C - Kerr cell : de en
  • US2057357A - Method of drawing glass sheets : en
  • DE636831C - Method and device for laying electrical submarine cables with rigid sleeves : de en
  • CA361063A - Drill and holder : en fr
  • CH187007A - Process for the preparation of a cyclic ketone. : de en
  • DE636459C - Device used for lateral alignment of the sheets in printing presses and similar machines : de en
  • FR803948A - Method ensuring automatic resynchronization, in the event of a break in synchronism in alternating current networks : en fr
  • CA361120A - Footwear lasting method : en fr
  • CA361146A - Sprinkler : en fr
  • CH186792A - Gas stove. : de en
  • CA361061A - Low temperature liquid pump : en fr
  • CH186907A - Piston with piston ring on liquid pressure machines. : de en
  • DE636863C - Method of making molds : de en
  • GB455239A - Improvements relating to power transmission mechanism : en
  • US2056982A - Extrusion device : en
  • US2057393A - Process and furnace for making mineral wool : en
  • US2057439A - Tooth setting device for band saw blades : en
  • USD101562S - Design fob a display stand ob similar : en
  • FR804131A - Improvements to rotary kilns, dryers and similar devices : en fr
  • CH186842A - Electrode for electrolytic uses and method for its manufacture. : en fr
  • DE636357C - Process for the production of azo dyes : de en
  • CA361134A - Alcohol and perfume ageing method : en fr
  • CA361158A - Lens system : en fr
  • CA361178A - Restraining device : en fr
  • CH186825A - Electric iron grate. : de en
  • CH187011A - Process for the preparation of a cyclic ketone. : de en
  • US2056986A - Draft arm : en
  • US2057262A - Motor : en
  • US2056970A - Cooling system : en
  • CA361162A - Circuit breaker : en fr
  • CA361168A - Suction generating system : en fr
  • CA361167A - Windshield cleaner power supply device : en fr
  • US2057085A - Lipstick container : en
  • US2057548A - Method of preventing the adherence of stacked sheets : en
  • DE636746C - Electromagnetic sound generator : de en
  • US2057294A - Timed radio switching device : en
  • US2057371A - Induction motor : en
  • GB455002A - Improvements in and relating to washing machines : en
  • GB455113A - Improvements in or relating to cigarette lighters : en
  • US2057157A - Sawing machine : en
  • ES143054A3 - A new hermetic closure system that cannot be missed. : en es
  • DE636519C - Pressure lubrication device : de en
  • FR803983A - Housekeeping improvements : en fr
  • FR804145A - Monobloc wheel with removable rim : en fr
  • GB455184A - Improvements relating to the making and mounting of adhesive pads for foot treatment and like purposes : en
  • AU89836A - An improved process for reclaiming vulcanised rubber : en
  • DE636734C - Meat grinder equipped with a vertical feed screw : de en
  • US2057061A - Device for applying adhesive tape to containers : en
  • US2057560A - Combustion engine piston and the like : en
  • CA361191A - Concrete placing machine : en fr
  • GB454954A - Improvements in or relating to modulated carrier wave receivers : en
  • GB455486A - Improvements in processes for the production of neutral or approximately neutral atmospheres or reducing atmospheres and in apparatus for carrying out the process : en
  • FR804115A - Process for the separation of isomers of the androstane series and intermediate products obtained during this separation : en fr
  • GB455211A - Improvements in or relating to tobacco pipes and cigar or cigarette holders : en
  • GB455193A - Process for the protection of metals against electrolytic corrosion, and means for carrying out such process : en
  • GB455253A - Improvements in preparation of cellulose ethers : en
  • US2057647A - Shelf edging : en
  • US2057137A - Combination oil rig and pumping jack : en
  • US2057542A - Battery clamp : en
  • USD101530S - Design fob an astrological machine : en
  • CH186902A - Method for the imprisonment of an organ in a housing, where it can however rotate, and device obtained by this method. : en fr
  • ES4451Y - Double-walled disc wheel. : en es
  • FR803943A - Heavy oil burner for domestic use : en fr
  • GB454951A - Improvements in or relating to machines for making and cancelling mail matter : en
  • GB455292A - Process and apparatus for the fine distribution of gases in liquids, particularly for fermentation purposes : en
  • DE636800C - Device for the rotatable fastening of cassettes and other utensils on a stationary sheet metal disc provided with a pin : de en
  • CA361131A - Bathing cap : en fr
  • US2057105A - High temperature shaft and method of making the same : en
  • US2057484A - Finger ring and method of making : en
  • CA361124A - Skin treating composition : en fr
  • IE14187L - Artifical stone. : en
  • US2057488A - Apparatus for use with type slug saws : en
  • DE636681C - Process for the production of reduction products with hydrocarbon or alcohol character from naphthenic acid esters : de en
  • DE636809C - Device for transmitting or receiving electromagnetic waves with reflectors arranged in the vicinity of a transmitting or receiving device : de en
  • DE636616C - Device for controlling the colors for the reproduction of color films : de en
  • DE636837C - Retort furnace with vertical retorts for dry distillation : de en
  • DE636931C - Quarter-turn lock and strike plate for double windows lying close together : de en
  • DE636403C - Circuit arrangement for telephone systems for the production of reinforced or unreinforced connections between lines : de en
  • DE636932C - Fish tape : de en
  • US2057528A - Cinder pot : en
  • CA361094A - Electric immersion heater : en fr
  • DE636621C - Board game : de en
  • NL39191C - : en
  • USD101538S - Design fob a bottle : en
  • USD101561S - Design fob a traffic button : en
  • NL71810B - Device for preserving pieces of meat, in particular hams, by injecting a predetermined amount of a preservative solution into the blood vessels under pressure : en nl
  • DE636601C - Electrically heated baking, roasting and cooking equipment : de en
  • DE636939C - Method for lining a car body made of sheet metal with rubber : de en
  • US2057185A - Journal packing washing machine : en
  • ES142970A1 - An apparatus for obtaining indirect photographs by flat and adjustable mirror projection in the direction of three coordinate axes. : en es
  • DE636865C - Chain conveyor with conveyor trough bottom designed as a sieve on one section : de en
  • DE636923C - Differential gear for motor vehicles : de en
  • DE636888C - Electro-hydraulic brake assembled with an electric motor : de en
  • DE636715C - Device for braking rail vehicles : de en
  • FR803992A - Paints, coatings, water-diluting adhesives and processes for their manufacture : en fr
  • FR804004A - Method and device for carding wool : en fr
  • GB455012A - Improvements in and relating to speedometers and revolution meters : en
  • FR804082A - Device for sealing a rotating part in steam turbines and other rotating machines : en fr
  • FR804090A - Process for preparing sweet products from potatoes and other food roots rich in starch : en fr
  • US2057097A - Variable electric condenser : en
  • US2057369A - Cotton picking system and air filter for use in same : en
  • DE636638C - Process for matting dark colored glossy fabrics : de en
  • GB455374A - Improvements in or relating to the production and use of base-exchange materials : en
  • CH186874A - Cock pistol with cocking trigger. : de en
  • ES4489Y - File perfected for cutting or working metal. : en es
  • USD101584S - Design for a pastry cutter : en
  • CA361196A - Booklet : en fr
  • CH186937A - End device for mineral insulated electrical cables. : en fr
  • DE636966C - Production of surface-like, heat-insulating bodies, which consist of a hard-to-tear and little breakable carrier : de en
  • DE636505C - Cartridge feed for machine guns with sliding barrel and longitudinally movable breech : de en
  • FR804018A - Telephone communications counter watch : en fr
  • FR804106A - Method of closing the engravings of the soles of shoes and resulting shoes : en fr
  • GB455293A - Improvements in and relating to electric discharge devices : en
  • FR804014A - Temperature limiter : en fr
  • FR804172A - Ball key valve : en fr
  • GB454973A - Improvements in or relating to devices employing electronic emission : en
  • GB455135A - Improvements in life-buoys : en
  • ES142974A1 - Improvements in air filter apparatus for bottles, jars, cans or other containers for medicinal, food and similar products. : en es
  • FR804022A - Tray for contacting liquids and gases : en fr
  • GB455236A - Improvements in or relating to refractory articles : en
  • FI17227A - Calorator for cellulose particles : en fi
  • FR803939A - Press training : en fr
  • DE636925C - Suspension of the wheel axles or wheels, especially for motor vehicles : de en
  • US2057443A - Watt-hour meter : en
  • CH186899A - Method and device for generating text, images and the like on surfaces, in particular on smooth surfaces. : de en
  • CH186911A - Linkage for multi-cylinder engines with two pistons moving in opposite directions in each cylinder. : de en
  • DE636652C - Electrically heated hotplate with tubular heating element : de en
  • ES142976A2 - A PROCEDURE FOR OBTAINING VALUABLE PIGMENTARY DYES : en es
  • FR804041A - Stamp for entrance doors, directly controlled by a push button : en fr
  • GB455115A - Improvements in arc-rupturing devices for electric circuits : en
  • GB455286A - An improved method for the production of trunk communication electric cables preferably for four-wire operation : en
  • DE636901C - Furnace for performing electrolytic and electrothermal processes : de en
  • US2057334A - Collapsible table : en
  • US2057555A - Overhead door for closed vehicle bodies : en
  • CH187029A - Tin packing jar with overlapping lid. : de en
  • FR804179A - Device protecting, against projectiles, observers on board vehicles such as airplanes : en fr
  • FR804197A - Process for preparing alkaline nitrates : en fr
  • ES4446Y - Container arranged to pierce the lids of cans or drums and transfer the liquid contained therein. : en es
  • FR803981A - Device for rescuing submarine crews, and for surface observation at great depths : en fr
  • FR804005A - Process for the manufacture of cement chipboard tiles imitating marble : en fr
  • FR804021A - Electric pendulum : en fr
  • CH186800A - Adjustable seat and deck chair. : de en
  • CH186930A - Carburettors on internal combustion engines. : de en
  • CH186853A - Paint containing drying oil. : de en
  • CH186884A - Aluminum alloy with high mechanical strength. : de en
  • CA361123A - Hydrocarbon oil processing : en fr
  • FR803909A - Process for the preparation of higher aldehydes : en fr
  • DE634452C - Loading bridge : de en
  • GB455007A - An adjustable high frequency coupling device : en
  • GB455128A - Improvements in and relating to colour photography : en
  • FR804043A - Racing game : en fr
  • US2057052A - Means for pressing the bottoms of shoes : en
  • DE636894C - coffee machine : de en
  • US2057416A - Steam heating plant : en
  • US2057082A - Automatic carton setting-up machine : en
  • CH186985A - Device on a conveyor pipe, which serves to generate a fuel flow, such as. B. introducing a compressed air or press liquid flow, essentially parallel to the inner wall of the pipe and to the direction of the flow of material to be conveyed into the conveying pipe. : de en
  • USPP202P - mallerin : en
  • US2057397A - Nasal inhaler : en
  • USD101528S - Design for a side wall lighting : en
  • CH187006A - Process for the production of o-propionyl-methyl-aminophenol. : de en
  • DK52301C - Screw button. : da en
  • FR803933A - Process for the conversion of hydrocarbon compounds : en fr
  • CH186770A - Tubular forestay. : en fr
  • CH186879A - A method and apparatus for examining eggs for sorting them according to their quality. : en fr
  • DE636211C - Separation of fluorine and aluminum from solutions obtained by digesting phosphate with acids : de en
  • DE628576C - Oil pump drive by means of a piston loaded in bursts with steam for flywheelless steam engines : de en
  • DE636594C - Sealing of the entry point by iron bolts embedded in wooden masts : de en
  • DK52293C - Apparatus for Forming a Cavity in Fireplaces with Solid Fuel. : da en
  • CH186852A - Process for the preparation of an indigoid dye of the pyrene series. : de en
  • CH186860A - Typewriter. : en fr
  • CA361066A - Food freezing method : en fr
  • CA361203A - Tree treating composition : en fr
  • US2057193A - Automatic burner igniter : en
  • US2057195A - Air valve : en
  • CH187026A - Process for the production of a condensation product from urea, thiourea, formaldehyde and hexamethylenetetramine. : de en
  • US2057120A - Shock absorber : en
  • CA361096A - Fluid pressure brake : en fr
  • US2057213A - Roller bearing : en
  • US2056954A - Jacking apparatus : en
  • US2057165A - Apparatus for supplying fuel gases to internal combustion engines : en
  • CH186977A - Leather folder that can be converted into a backpack. : de en
  • ES142939A1 - ARRANGEMENT TO MEASURE DISTANCE BY REFLECTION OF ELECTRICAL WAVES, ESPECIALLY VERY SHORT WAVES, THE OBJECT WHICH DISTANCE IS TO BE DETERMINED : en es
  • DE636640C - Manufacture of mono- or bichromats : de en
  • US2057039A - Method of and apparatus for making casts : en
  • US2057489A - Milk delivery box : en
  • AU114936A - Improvements in sprinkling canisters or containers : en
  • US2057070A - Latch for sliding doors : en
  • US2057102A - Roller bearing : en
  • DE636587C - Device for setting interchangeable lenses on photographic cameras : de en
  • DE636754C - Method for filling and closing electrical cable fittings with pouring compound : de en
  • CH186905A - Crankshaft. : de en
  • US2057356A - Drive mechanism for hot metal mixers and the like : en
  • CH186917A - Press for fruit, grapes and other fruits. : de en
  • CA361075A - Zinc oxide manufacture : en fr
  • CA361187A - Two-cycle engine : en fr
  • CH186978A - Backpack. : de en
  • CH186983A - Containers, in particular made of paper. : de en
  • US2056992A - Process for producing antirachitic substances : en
  • US2057158A - Differential piston connecting linkage : en
  • CA361126A - Storage battery : en fr
  • CA361200A - Hydraulic coupling : en fr
  • CA361062A - Sewing machine : en fr
  • CA361145A - Sprinkler : en fr
  • DE636544C - Process for the production of vegetable tanned leather : de en
  • CA361087A - Synthetic resin : en fr
  • CH186923A - Method and device for controlling injection engines for different speeds. : de en
  • DE636777C - Porous, light hat : de en
  • US2057332A - Machine for dusting plants with an insecticide : en
  • US2057472A - Current interrupter equipment : en
  • CH186935A - Countercurrent heat exchange device for two gaseous media, at least one of which is kept at a constant or approximately constant volume during the heat exchange. : de en
  • US2056937A - Dry masonry : en
  • US2057179A - Ophthalmic lens and method of making same : en
  • US2057361A - Globe grip : en
  • CH186864A - Process for the preparation of a photographically active body. : de en
  • CA361185A - Electric discharge apparatus : en fr
  • US2056968A - Machinery for trimming printing plates : en
  • US2057641A - Single process picker system : en
  • US2057402A - Destructive hydrogenation of organic materials : en
  • US2057475A - Electrodeposition of rhodium : en
  • US2057473A - Semisoud plastic lubricant : en
  • USD101577S - Design for an automotive vehicle : en
  • ES143059A3 - A procedure for the fabrication of transferable graphics decals or subtenacles. GO TO UTILITY MODEL. : en es
  • US2057226A - Method of and apparatus for proportioning fluid mixtures : en
  • US2057290A - Scouring machine : en
  • CH186955A - Dropper for topical liquid eye products and the like. : de en
  • ES4414Y - Folding coat rack. : en es
  • FR804072A - Process for the photomechanical manufacture of plates for intaglio printing with a doctor blade : en fr
  • FR804011A - Device for obtaining cinematographic projections in cars or others : en fr
  • GB455225A - Improvements in prepayment gas meters : en
  • US2057057A - Terminal connecter : en
  • US2057247A - Mechanical counterbalance : en
  • US2057613A - Diversity factor receiving system : en
  • DE636353C - Process for the production of water-insoluble azo dyes : de en
  • GB454991A - Improved means for shielding the ignition system of internal combustion engines : en
  • GB455249A - Improvements in cowls for air-cooled aircraft engines : en
  • DE636634C - Device for feeding and sticking strips of paper or the like onto boxes, bags or other objects : de en
  • DK52297C - Sound emitting device. : da en
  • GB455130A - Amperage flow controlling device : en
  • DE636712C - Device for compacting concrete or similar building materials for road surfaces : de en
  • NL39202C - : en
  • US2057015A - Bumper construction for vehicle tanks : en
  • GB455036A - Connection system for television tubes : en
  • GB455235A - Improvements in or relating to lubricating oils : en
  • CA361111A - Carboxylic acid derivative : en fr
  • FR804100A - Improvements to exhibition furniture, display cases and similar devices : en fr
  • FR804133A - Improvements to dust smoke detector systems or the like : en fr
  • GB455361A - Improvements in variable speed power transmissions for vehicles : en
  • US2057333A - Liquid measuring device : en
  • DE636861C - Window positioning device : de en
  • FI17210A - Förfaringssätt för framställning av kalksalpeter : en fi
  • FR803926A - Mobile guidance method : en fr
  • FR803980A - Method and device for causing and accelerating the evacuation of exhaust gases from internal combustion engines : en fr
  • FR803989A - Improvements to processes for the fermentation of household waste and other similar materials : en fr
  • DE636758C - Electrically heated hotplate with pivotable tubular or rod heating elements of different cross-sections : de en
  • DE633900C - Slider for adjustable electrical resistance : de en
  • CA361138A - Can flanger : en fr
  • CH186799A - Articulated frame for seats. : en fr
  • FR804135A - Process for the protection of all valuable papers and all printed matter requiring control : en fr
  • US2057352A - Method of brewing : en
  • US2057506A - Railway track and track-swtich heater : en
  • DE636604C - Circular knitting machine : de en
  • DE636558C - Device for the sterilization of liquids : de en
  • ES143035A1 - An apparatus consisting of a resting for electric irons : en es
  • ES4490Y - Mechanical device, which acts as a rocker, applicable to armchairs and armchairs, turning these items into rocking chairs. : en es
  • FR803977A - toothpaste soap case : en fr
  • FR804055A - Improvements made to lifting devices or freight elevators : en fr
  • ES143038A1 - An improvement in the construction of scales. : en es
  • FR804183A - Extendable Coil Winder Drum for Strip Rolling Mill : en fr
  • FR804030A - Traffic control system : en fr
  • SE87637C1 - : en
  • GB455150A - Improvements in and relating to windows and window frames : en
  • FR804083A - Lightweight and porous hat : en fr
  • US2057409A - Cloth wind-up for looms : en
  • US2057494A - Adjustable directional grille : en
  • US2057526A - Rotary kiln : en
  • GB455257A - Improvements in or relating to gas compressors : en
  • CA361130A - Coin chute : en fr
  • DE636719C - Gas generator with descending gasification, especially for vehicles : de en
  • ES142968A3 - A process for treating articles of iron, copper, aluminum, or alloys of any of these metals. : en es
  • DE636502C - Machine for deburring and grinding flat, elongated workpieces with rounded corners : de en
  • GB455057A - Improvements in or relating to smoke consuming arrangements for boiler and other furnaces : en
  • DE636540C - Process for the production of multi-layer carbon brushes for electrical machines : de en
  • FR804180A - Progressive combing process for long fibers : en fr
  • IE14534L - Electric wiring installations : en
  • ES4517Y - Aspirator for chimneys. : en es
  • FR803949A - Rotary vane machine usable as compressor, pump, motor, etc. : en fr
  • FR804012A - Improvements in methods of blowing up mines : en fr
  • FR804040A - Improvements made to ski lifts, especially for skiers : en fr
  • FR804160A - fuel saver for carburettors or the like of internal combustion engines : en fr
  • GB455017A - Improvements in streamline vehicle bodies : en
  • US2056978A - Polymerization of hydrocarbon oils : en
  • DE636673C - Mixing device for pieces of bulk goods located on a conveyor belt : de en
  • GB455207A - Improvements in or relating to naval gun fire control systems : en
  • GB455072A - Improvements relating to water softeners : en
  • GB455175A - Improvements in or relating to sawing machines : en
  • DE636666C - Combined cylinder pre-folding and zigzag folding devices for producing alternately folded form strips or the like from paper webs : de en
  • DE636933C - Illuminated circuit diagram : de en
  • US2057192A - Process of and apparatus for making bar soap : en
  • CA361048A - Shipping and storing receptacle : en fr
  • GB455289A - Improvements relating to circular looms for weaving : en
  • US2057139A - Means for cleaning textile machinery : en
  • US2057391A - Ball bearing structure : en
  • USD101543S - Design for a gas stove : en
  • AU5733865A - Improvements in or relating to demodulating circuit arrangements : en
  • US2056973A - Boiler water feed : en
  • ES143020A1 - Apparatus for sharpening the tips of card linings. : en es
  • FR804037A - Carburetor improvements : en fr
  • GB455166A - Improvements in and connected with smoke condensing or depositing chambers : en
  • US2057597A - Counterflow heat exchanger : en
  • US2057461A - Motor vehicle license plate holder : en
  • USRE20131E - Drill steel guide : en
  • ES141534A3 - Improvements in the manufacture of toy cars. : en es
  • FR804157A - Improvements to fabrics or conveyor belts, in particular for agricultural machinery : en fr
  • ES143026A1 - A perfection in the cylinders of the tablets manufacturing machines. : en es
  • ES143051A1 - Joining system or connection for pipes. : en es
  • FR803938A - Reversible hydraulic device constituting a pump or motor : en fr
  • ES142978A1 - Improvements in the construction of bicycle tires. : en es
  • FR804113A - Refrigerator appliance : en fr
  • US2057563A - Manufacture of glue films : en
  • DE636567C - Device for remote display of a pressure or a quantity that can be measured by a pressure by means of a receiver that responds to the effects of heat : de en
  • DE636908C - Metallic fastening tape to be attached to radiator hoods : de en
  • USD101524S - Design for an illuminated altar : en
  • DE636937C - Pusher for a machine with helical toothed comb steel for planing helical gears with helical teeth : de en
  • US2057135A - Fabricated wood floor : en
  • US2057339A - Airplane wing structure : en
  • FR804046A - Rotating rake : en fr
  • GB455158A - Improvements in or relating to the manufacture of starch : en
  • ES143013A1 - A procedure for obtaining lubricating oils. : en es
  • GB455205A - Improvements in insulating casings for electrical apparatus : en
  • DE636458C - Device for drying the printed paper web in rotogravure printing machines : de en
  • DE636860C - Device for the automatic detection of open shutters or the like. : de en
  • ES142985A1 - Improvements in the installation of multiple wire drawing machines. : en es
  • FR804086A - Protective coating against corrosion by gasoline and against gasoline leaks : en fr
  • GB454966A - Improvements in and relating to the application of sealing clips to paper and like containers or collapsible tubes : en
  • DE629580C - Wrap seal for wire ties : de en
  • DE636776C - Process for the pretreatment of starting materials containing vanadium : de en
  • DE636873C - Process for the protective impregnation of wood : de en
  • DE636952C - Process for the production of azo dyes : de en
  • US2057275A - Golf club : en
  • US2057445A - Tire deflation switch : en
  • US2057266A - Ventilated tubular bus bar : en
  • DE636878C - Boiler support frame with two collapsible pairs of supports : de en
  • FR804126A - Captive parachute jumping device : en fr
  • FR803979A - Aluminum plug for plugging the side valve seats when fitting overhead valve supers : en fr
  • US2057040A - Method of and means for lasting shoes : en
  • US2057123A - Means for lubricating and cooling engine valves : en
  • USD101580S - Design for a textile fabric or simi : en
  • GB455189A - Improvements in or relating to electric signalling systems : en
  • GB455144A - Improvements in the lubrication of shaft or spindle bearings : en
  • IE14645L - Dispensing pastes and liquids : en
  • CH186844A - Process for the preparation of a heterocyclic condensation product. : de en
  • DE636642C - Inking device for rotogravure printing machines : de en
  • US2057087A - Fluid pressure controlling apparatus : en
  • US2057415A - Wheel for road and rail transport : en
  • US2057633A - Starter drive for automobile engines or the like : en
  • CA361074A - Railway car coupler : en fr
  • CH186980A - Foldable blank for making a box. : en fr
  • CH186856A - Device for purifying drinking and service water. : de en
  • US2057146A - Submarine eye : en
  • USD101586S - Design for a cooking range : en
  • CA361055A - Motor performance gauge : en fr
  • CH186857A - Method and device for the production of pipes. : de en
  • CH186924A - Fuel injection device for internal combustion engines. : de en
  • GB455280A - Improvements relating to wall plugs : en
  • US2056960A - Manufacture of cyclic ethers : en
  • US2057651A - Register device for game apparatus : en
  • CH186895A - Cord and method of making the same. : de en
  • US2057582A - Continuous wire drawing and annealing : en
  • GB454950A - Transformer for electric arc welding : en
  • DE636869C - Sight glass composed of several layers of independent single glasses : de en
  • NL39481C - : en
  • US2056979A - Process for polymerizing unsaturated hydrocarbons : en
  • FR803967A - New canister, new cartridge and new tubes for use : en fr
  • FR803935A - Machine for scraping seashells such as mussels for example : en fr
  • US2056994A - Force pump : en
  • US2057278A - Spot lamp : en
  • US2057112A - Constant potential system : en
  • US2057160A - Rail brace : en
  • US2057406A - Garment bagging device : en
  • USD101548S - Design for a tub for a domestic : en
  • DE636803C - Mold, especially dovetailing, for lignite briquette presses made of wear-resistant, hard porcelain : de en
  • GB455068A - Improvements in or relating to articles fabricated from copper or copper-base alloys and adapted to be submitted to steam or hot water : en
  • USD101536S - Design fob a water closet : en
  • US2057320A - Electric welding tool : en
  • US2057380A - Relay : en
  • USD101544S - Design for a fruit juice : en
  • DE636818C - Shirt with vertical slits reaching to the lower edge for the ends of the trousers to pass through : de en
  • FI17213A - Radiomottagningsapparat med automatisk ljudstyrkereglering : en fi
  • DE636648C - Socket for piezoelectric crystals : de en
  • FI17220A - Hacking mask : en fi
  • FR803986A - pin to fix the sheets before riveting : en fr
  • IE13925L - Kilns : en
  • CA361109A - Push-pull amplifier : en fr
  • US2057617A - Display device for bottled beverages : en
  • USD101564S - Design fob a bottle : en
  • DE636609C - Slotted expansion sleeve dowel : de en
  • ES143045A1 - A procedure to modify at will the harmful effects of the radiations of a luminous source. : en es
  • FI17218A - Refunds for the production of halogenated and halogenated materials : en fi
  • FR803917A - Container for storing beer or other similar liquids : en fr
  • FR803922A - Product intended to facilitate the complete combustion of fuels and the smelting as well as the purification of metallurgical products, and process for manufacturing the aforementioned product : en fr
  • USD101540S - Design fob a piano ob similar : en
  • US2057379A - Dictating machine : en
  • US2057342A - Basket making machine : en
  • AU2425835A - Improvements in water softening apparatus : en
  • CH186832A - Process for connecting the upper leather to the insole in the manufacture of shoes. : de en
  • US2057394A - Axminster loom : en
  • FR803908A - Metal alloy : en fr
  • USD101572S - Design for a glider : en
  • FR803924A - Improvements to scanning oscillators for television systems and the like : en fr
  • CA361050A - Filamentary product manufacture : en fr
  • FR803925A - Assembly footing for mine supports : en fr
  • GB455278A - Voltage regulator for electrical distribution of lines : en
  • DE636904C - Pocket friction wheel lighter in clock shape : de en
  • US2057373A - Portable oven : en
  • DE636736C - Wire mesh for bag-like nets : de en
  • CH186815A - Apparatus for the manufacture of creped yarns. : en fr
  • CH186957A - Process for the preparation of 1-phenyl-2,3-dimethyl-4-methylamino-5-pyrazolone-4-methanesulfonic acid quinine. : de en
  • GB455035A - Improvements in bodkins : en
  • FI17215A - Säkerhetselement för elektriska fördelningsanordningar : en fi
  • US2057605A - Electrical relay : en
  • US2057001A - Condenser and separator for crankcase vapors : en
  • US2057283A - Process for the manufacture of alcohols : en
  • US2057407A - Machine for leveling land and forming borders : en
  • US2057125A - Coke oven equipment : en
  • US2057449A - Container : en
  • USD101602S - Design fob an ice cream machine : en
  • CH186949A - Device for automatically unblocking the nozzle of a fluid fuel heating appliance. : en fr
  • US2057140A - Friction transmission for motor vehicles : en
  • CA361165A - Fluid motor : en fr
  • NL39393C - : en
  • USD101557S - Design fob a glass globe : en
  • US2057272A - Method of stripping rhodium plating : en
  • CA361166A - Motor vehicle accessory system : en fr
  • CH186914A - Transportable winch, especially for towing heavy loads. : de en
  • CH186803A - Extending leaf table. : en fr
  • CA361054A - Electrical network : en fr
  • US2057436A - Reverse plating knitting machine : en
  • USD101547S - Design for a projector : en
  • CH186841A - Manual device for rolling cigarettes. : en fr
  • US2057054A - Two-temperature thermostat : en
  • CA361195A - Mortar tempering emulsion : en fr
  • US2056998A - Apron : en
  • DE631352C - Steam washing machine : de en
  • CH186865A - Process for improving the properties of photographic gelatins. : de en
  • CA361081A - Hood catch : en fr
  • CH186851A - Process for the production of an indigoid dye. : de en
  • CH187023A - Process for the preparation of a polyazo dye. : de en
  • US2057132A - Vehicle brake and control valve therefor : en
  • DE636919C - Frame for multicolor printing of partial negatives : de en
  • DE636816C - Illuminated circuit diagram : de en
  • US2057454A - Method for making lead sheathed cables : en
  • CH186938A - Process for the production of electrical conductors in the form of fine wires wound with artificial silk. : de en
  • DE636199C - Filament pyrometer : de en
  • FR803941A - Process for preparing chlorinated and brominated organic derivatives : en fr
  • NL39169C - : en
  • CH186765A - Building block. : de en
  • NL39327C - : en
  • DE636447C - Heavy oil burner : de en
  • CH186798A - Mat. : de en
  • CH186891A - Equipment on woodworking machines for pre-cutting the edges of grooves, fillets and folds. : de en
  • CA361060A - Loose leaf binder : en fr
  • US2057008A - Safety device : en
  • US2057079A - Display form : en
  • US2057149A - Flushing tank and method of making the same : en
  • US2057359A - Method and apparatus of bending tubing : en
  • US2057392A - Thread holder for looms : en
  • CH186942A - Circuit breaker. : en fr
  • DE636828C - Contact device for wheel buttons : de en
  • US2057031A - Ticket printing device : en
  • US2057336A - Pendulum inclinometer : en
  • US2057151A - Ratio control for transmission mechanism : en
  • FI17236A - Sätt och maskin för tillslutning av pappaskar ochnike behållare : en fi
  • FI17223A - Gasification and mixing device located in the compression chamber of the internal combustion engine : en fi
  • FR804076A - Elastic moving contact : en fr
  • DE636649C - Capacitor arrangement for push-pull stages of shortwave transmitters : de en
  • US2057216A - Gas burner : en
  • FR803946A - Process for the manufacture of concentrated nitric acid : en fr
  • FR804165A - Variable compression chamber motor according to the load : en fr
  • DK52307C - Code lock. : da en
  • ES143017A1 - PROCEDURE FOR THE MANUFACTURE OF ANTICORROSIVE LUBRICANTS FOR CYLINDERS : en es
  • FR804184A - Process for impregnating sheet fibers with a coagulable liquid : en fr
  • FR803960A - Automatic numbering machine : en fr
  • GB455152A - Improvements relating to electrical resistances for heating apparatus : en
  • CH186805A - Buffet. : de en
  • CA361092A - Electric valve converting apparatus : en fr
  • US2057047A - Thumb rest : en
  • US2057434A - Spray gun : en
  • US2057592A - Splint : en
  • FR803962A - Process for waterproofing special papers able to retain toxic and septic dust and fumes : en fr
  • CH186958A - Process for the production of the crystalline modification of the dye component of the yellow oxidizing ferment. : de en
  • CH186996A - Device for locking the bonnet of automobiles. : de en
  • CH186927A - Fuel injection pump for internal combustion engines. : de en
  • AU2469535A - A typewriting machine, more especially a shorthand writing machine : en
  • CH186777A - Radiator and method of manufacturing said. : en fr
  • US2057060A - Method of and a device for applying adhesive tape to containers : en
  • US2057315A - Electrolytic device : en
  • US2057533A - Pumping unit : en
  • US2057227A - Device for extracting juice from fruit : en
  • CA361190A - Paving machine : en fr
  • AU101636A - Apparatus for concentrating and refrigerating liquids : en
  • CH186793A - Device for heating water when cooking on gas stoves. : de en
  • US2057508A - Vacuum tube device : en
  • US2057634A - Centrifugal pump structure : en
  • US2057212A - Process for stabilizing mineral oils : en
  • US2057225A - Brush holder : en
  • US2057253A - Roller shade fixture : en
  • CH186968A - Device for registering the rotational speed or work performance of machines. : de en
  • USD101554S - Design fob a dress : en
  • CH186945A - Electric capacitor. : en fr
  • FR803974A - Continuous speed change : en fr
  • US2057638A - Process and bath for depositing ruthenium : en
  • DE636743C - Vertical hydraulic metal extrusion press : de en
  • GB454978A - Improvements relating to pressure registering apparatus : en
  • CH186780A - Process and press for the production of chamber stones. : de en
  • US2057221A - Plow shear : en
  • DE636696C - Device for the production of X-ray exposures : de en
  • DE636829C - Method for equalizing the voltage of electrical elements connected to form batteries : de en
  • FR804032A - Automotive : en fr
  • US2056952A - Viscosimeter : en
  • US2057109A - Gas lock for automobiles : en
  • US2057571A - Belt guide : en
  • USD101576S - Design for a remote control : en
  • USD101567S - Design for a chair : en
  • US2056991A - Printing cylinder : en
  • US2056989A - Water heater : en
  • USD101603S - Design fob a glass globe : en
  • DE636574C - Hydraulic mounting of a press part on ring roller presses : de en
  • NL39239C - : en
  • US2057068A - Apparatus for treating and dispensing beverages : en
  • CH186972A - Device with an electric discharge tube for very high frequencies. : de en
  • CH186819A - Process for producing a detergent. : de en
  • CH186959A - Process for the preparation of the dye component of the yellow oxidizing ferment. : de en
  • US2057044A - Insecticide and parasiticide : en
  • US2057282A - Production of hydrocyanic acid : en
  • US2056977A - Container : en
  • US2057134A - Nonrefillable bottle : en
  • USD101517S - Design for a drain cock : en
  • US2057311A - Dispenser : en
  • US2057574A - Elastic boat, particularly applicable to seaplane floats : en
  • US2057269A - Hinge : en
  • US2057270A - Reduction gearing : en
  • US2057381A - Pump for refrigerating means : en
  • US2057584A - Slippage reduction pump : en
  • US2056974A - System of transmitting images : en
  • US2057178A - Fishing reel : en
  • DE636768C - Table clamp with hanging hooks for everyday objects, such as handbags, umbrellas, etc. : de en
  • FR804058A - Double regulator for hydraulic turbines, in particular for kaplan turbines : en fr
  • FR804091A - Advanced comparator device : en fr
  • FR804176A - Vacuum cleaner, booster, air purifier : en fr
  • US2057154A - Flue structure : en
  • USD101518S - Design fob a hotel register : en
  • US2057032A - Apparatus and method for controlling flow of fluid materials : en
  • US2057183A - Process for manufacture of glow lamps : en
  • US2057211A - Tractor : en
  • US2057410A - Percussion fuse : en
  • USD101589S - Design fob a combined transformer : en
  • CH186953A - Electric metal vapor discharge lamp with glow electrodes, noble gas basic filling and surrounding Dewar flask. : de en
  • CH186960A - Non-alkaline, soap-free body cleanser. : de en
  • DE1387424U - : de en
  • DE636676C - Shower head for washing and bathing systems : de en
  • DE636797C - Method and device for faceting the edges of plaques made of glass or the like of a trim piece : de en
  • ES142933A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • FR803988A - Method and apparatus for obtaining films for color cinematography : en fr
  • FR804132A - Manufacturing process of a permeable imitation leather : en fr
  • GB455209A - Improvements relating to the treatment of artificial and natural silks : en
  • US2057090A - Tube socket : en
  • US2057229A - Safety hitch for tractors : en
  • FI17208A - Fertilization requirements for the production of ammonia after thermal treatment of the environment and the genome : en fi
  • US2057545A - Covering for surfaces exposed to the weather : en
  • DE636718C - Electromagnetic overcurrent switch : de en
  • USD101566S - Design for a chair or similar article : en
  • CA361122A - Heel covering apparatus : en fr
  • CH186837A - Electric three-phase oven for bakeries and pastry shops. : de en
  • CH186784A - Mouthpiece with shower head and swiveling spray lance to be connected to a tap with a hose connector. : de en
  • DE636709C - Control device for prime movers that drive electrical generators : de en
  • DE636795C - Single-track caterpillar vehicle designed in the manner of a motorcycle : de en
  • US2057552A - Carburetor : en
  • US2056950A - Lubrication : en
  • US2057128A - Steam heating system for automobile bodies : en
  • US2057042A - Gummed tape : en
  • US2057591A - Seat for automobiles and the like : en
  • US2057485A - Control apparatus : en
  • US2057593A - Steel crosstie for railroads : en
  • GB455141A - Speedometer testing apparatus : en
  • GR6052B - TOBACCO FRAGRANCES METHOD. : el en
  • US2057487A - Binder : en
  • DE636714C - Device on rail vehicles for setting bogies or single axles in right-hand corner : de en
  • US2057426A - Edge holding separable fastener : en
  • US2057453A - Cigarette package holder : en
  • US2057648A - Spreading lock bolt : en
  • US2057127A - Threading eye for shuttles : en
  • US2057625A - Decalcomania : en
  • USD101553S - Design for a dress : en
  • FR804116A - Lighting apparatus incorporating liquid-cooled electric light sources : en fr
  • CA361154A - Valve gear : en fr
  • CA361184A - Fishing tackle : en fr
  • CH186984A - Device for container traffic. : de en
  • CA361084A - Brake drum : en fr
  • CA361105A - Telephone system : en fr
  • DE636660C - Carburetor device for heavy oil and light oil on internal combustion engines : de en
  • US2057268A - Production of cracked gasoline having low gum content : en
  • CA11225S - Candle : en
  • CH186854A - Process for the production of a humus-rich fertilizer with a neutral to slightly alkaline reaction. : de en
  • US2057208A - Apparatus for salting water : en
  • US2057430A - Infusion apparatus : en
  • US2057630A - Treatment of hydrocarbon oils : en
  • CA361193A - Paper container : en fr
  • US2057572A - Clothesline stretcher : en
  • CH186873A - Construction game consisting of a number of cardboard elements, in particular for the construction of toy houses. : en fr
  • US2057059A - Treatment of sulphite process paper machine effluent : en
  • US2057170A - Oscillation generation : en
  • CA361172A - Shoe lacing machine : en fr
  • CH186941A - Toggle switch with a knee lever whose driven arm rests in the rocker switch. : de en
  • CH186993A - Pneumatic braking device. : de en
  • US2057372A - Kingpin : en
  • FR804155A - Method and device for carrying out the extemporaneous industrial preparation of nitrous oxide, pure or mixed, and its application to surgical anesthesia : en fr
  • USD101591S - Design fob a brush ob the like : en
  • US2056987A - Apparatus for preshaping shoe upper material : en
  • CH186887A - Process for reducing the cross section of metal members such as rods, wires, bands for example. : en fr
  • US2056964A - Sewing machine : en
  • US2057496A - Thermostat : en
  • US2057512A - Potential control system : en
  • US2057601A - Combination precast joist and slab : en
  • USD101560S - Design for a compact : en
  • US2056949A - Central lubrication : en
  • CH186808A - Cooking kettle for heating with steam or hot water. : de en
  • CH186813A - Beer serving facility. : de en
  • CA361152A - Separable fastener : en fr
  • DE636737C - Double-sided opening door, especially for refrigerators : de en
  • DE636763C - Gas generator for bituminous fuels with a downward draft : de en
  • DE636852C - Friction bar for single and multi-roller mills : de en
  • ES142983A1 - ROLLING MACHINE TO REDUCE TUBES IN SEVERAL CALIBERS ARRANGED SUCCESSIVELY : en es
  • DE636593C - Device with electron tubes in which a spare tube is provided for one or more tubes : de en
  • USD101598S - Design fob a combined hopper : en
  • GB455045A - Improvements in or relating to the manufacture of heels for shoes and the like : en
  • CH186915A - Mobile lifting platform for motor vehicles. : de en
  • DE636765C - Device for the production of double-layered warp knitted goods on warp knitting machines for single-surface goods : de en
  • FR803910A - Ironing machine : en fr
  • CA361106A - Vulcanized rubber product manufacture : en fr
  • DE636778C - Fertilizer spreader with a spreader slide that moves back and forth : de en
  • US2056985A - Bowling table apparatus : en
  • US2057385A - Flatiron and other heated apparatus : en
  • CH186787A - Process for the production of laminated glasses. : de en
  • US2057624A - Fuel pump : en
  • GB455485A - Improved method of heating a furnace for the heat treatment of materials and simultaneously producing a neutral or approximately neutral gaseous atmosphere or a reducing gaseous atmosphere therein : en
  • CH186867A - Photosensitive gelatin emulsion and process for its preparation. : de en
  • DE636557C - Swash plate transmission : de en
  • DE636610C - Process for removing tin from niobium alloys : de en
  • FR803961A - Recorder and retro-repeater command transmitter : en fr
  • FR804000A - Double-acting refining process for steels : en fr
  • USD101573S - Design for an air-conditioning : en
  • CA361128A - Metal surface finishing method : en fr
  • CH186889A - Process for the refinement of magnesium alloys through a precipitation hardening heat treatment. : de en
  • US2057519A - Cash register : en
  • US2057058A - Refrigerator shipping container for container cars : en
  • US2057289A - Coating composition for dental models : en
  • CA361135A - Fuse switch : en fr
  • ES143023A1 - Extinguishing chamber for electrical switches. : en es
  • GB455011A - Improvements in or relating to ice drawers for refrigerators : en
  • GB455100A - Improvements relating to gas lighters : en
  • DE636811C - Device for the production of flat, unfolded ribbons on rayon spinning machines : de en
  • US2057243A - Cigarette : en
  • DE636885C - Valve arrangement for the compressed air brake line of railroad cars that can be driven on roads by means of a semi-trailer : de en
  • US2057312A - Hydraulic contrinuous press : en
  • ES142995A2 - A procedure, with its inherent device, for ignition in combustion engines in which the explosions are produced by a compressed mixture of air and gas. : en es
  • US2057035A - Cylinder for washing machines : en
  • GB455378A - Process for the production of androsterones : en
  • FR803907A - Improvements in underwater mines : en fr
  • FR803913A - Cracking, in vapor phase, of hydrocarbons : en fr
  • CH186821A - Shrink machine for textile fabrics. : de en
  • GR6051B - GROUNDWATER DETECTION MACHINE. : el en
  • FR804080A - Improvements to sachets and their use for permanent hair waving : en fr
  • FI17222A - The method of attaching the lure hooks and the lure made accordingly : en fi
  • FR803996A - Material for packing boxes and similar applications : en fr
  • GB455064A - Improvements in and relating to the assembling mechanism of typographical composing machines : en
  • US2057075A - Internal combustion engine : en
  • GB455149A - A new or improved hearing appliance for partially-deaf persons : en
  • CH186849A - Process for the production of a vat dye. : de en
  • USD101555S - Design for a christmas tree bell : en
  • ES142990A1 - Method to destroy living organisms of the lowest order. : en es
  • ES143019A1 - A saturation device. : en es
  • US2057115A - Supporting and spacing means for electrodes in discharge tubes : en
  • US2057623A - Antitoxin : en
  • ES142816A2 - IMPROVEMENTS INTRODUCED IN THE MAIN PATENT BY PROCEDURE FOR DISINFECTION AND CONSERVATION : en es
  • ES4486Y - Water walker that is held on each foot and at will in the hands, which by natural actuation of the legs can walk freely through the water in the desired direction, remaining submerged only a little more than half of the body and free : en es
  • FR804067A - Casting device : en fr
  • GB455004A - Improvements in and relating to temperature indicators : en
  • GB455154A - Improvements relating to trolley poles for electrically propelled road and other like vehicles : en
  • FI17228A - Anordning vid snökedja : en fi
  • GB455227A - Improvements in or relating to potato and like planting machines : en
  • FR804119A - New football game : en fr
  • GB455233A - Improvements in or relating to photo-electrically active screens for cathode-ray tubes : en
  • US2057619A - Weft-end clearing and bobbin stripping mechanism for filling replenishing looms : en
  • ES4420Y - Adjustable stilts. : en es
  • GB454993A - Improvements in the production of drinking water from sea-water : en
  • CH186811A - Hangers for cords and ribbons. : de en
  • FR804123A - Soccer game : en fr
  • FR804146A - Filter cartridge : en fr
  • GB455499A - Improvements in or relating to electron discharge devices : en
  • ES143047A1 - Improvements in turbines and similar machines for the centrifugal separation of solids or liquids. : en es
  • FR804148A - Improvements to television receivers : en fr
  • USD101579S - Be sign fob a textile fabric or simi : en
  • USPP201P - aicardi : en
  • US2057437A - Bubble tower apparatus : en
  • DE636726C - Gear reversing gear for coaxial shafts : de en
  • FR804158A - Loading device for norias and similar lifting devices : en fr
  • GB455201A - Improvements in or relating to microscopes : en
  • GB455114A - Improvements relating to polymers of olefines : en
  • GB455215A - Improvements in or relating to counters : en
  • DE636627C - Switching arrangement in double or multiple busbar systems to display the respective switching permissibility of oil-coupling switches and system disconnectors : de en
  • FR804063A - Process for decorating articles of glass, crystal and other similar materials and products resulting therefrom : en fr
  • FR804036A - Method for immunizing the contact surfaces of caps : en fr
  • FR804141A - Electro-magnetic lighting fixture : en fr
  • US2057299A - Heat exchanger : en
  • US2057478A - Apparatus for disintegrating, dissolving, and mixing solids in liquids : en
  • DE636563C - Equipment for the implementation of the process of transferring filling, equalizing or motive gas into ballast water : de en
  • ES143027A3 - A machine for making tablets. : en es
  • GB455291A - Improvements in or relating to liquid-insulated metal-clad electric switchgear : en
  • DE636597C - Device for closing off the hollow space of the waveguide at the ends of oil-filled electrical cables that are to be connected by a sleeve : de en
  • GB454969A - Improvements in and relating to static vacuum or suction cleaning installations : en
  • GB455243A - Improvements in and relating to razor blade packages : en
  • DE636916C - Device for the optical copying of lenticular films : de en
  • GB455267A - Mains supply apparatus for television tubes : en
  • DE636899C - Process for the production of pressed bodies from coal-like fuels : de en
  • FR804200A - Relay rocket : en fr
  • DE636569C - Switching arrangement for remotely indicating or remote control compasses or course pointers with adjusting device controlled by two photocells : de en
  • DE636589C - Underbed for tram and similar rails : de en
  • USD101525S - Design for a refrigerator cabinet : en
  • FR804190A - Apparatus for checking the perpendicularity and parallelism of connecting rods and pistons of an engine : en fr
  • DE636598C - Circuit arrangement for oscilloscope tubes with glow cathode and gas filling : de en
  • DE636679C - Scraper conveyor for mining operations : de en
  • GB455145A - An improved means for controlling the operation of automatic weighing machines : en
  • FR804035A - Medal link for closing bags or sachets of any product : en fr
  • FR804142A - Device for sound distribution : en fr
  • US2057103A - Valve : en
  • CH186950A - Adjustable electric work lamp with double surface downlights. : de en
  • DK52302C - Procedure for the production of edgings, consisting of an edge product. : da en
  • ES139181A1 - A process for the manufacture and obtaining of a new type of bags for the conditioning of food products. : en es
  • CH186956A - Process for obtaining immunizing medicinal products from metabolic products. : de en
  • FR803923A - Improvements to machines intended to be used for testing tubes and other hollow bodies by fluid pressure : en fr
  • CA361119A - Lasting machine : en fr
  • GB455051A - A new or improved damper for application to chicken brooders and other similar heated chambers : en
  • ES4422Y - Combined medicine spoon. : en es
  • GB455132A - Improvements in floor and the like polishing machines : en
  • US2057307A - Machine for grinding material : en
  • ES4512Y - Thermo-irrigator device. : en es
  • US2057116A - Housing for electrodic instruments : en
  • US2057304A - Apparatus for regularizing the exhaust of explosion motors : en
  • GB454962A - Improvements in or relating to sliders for sliding clasp fasteners : en
  • ES142377A1 - Waterproofing procedure for construction materials. : en es
  • FR804016A - Improvements to headlights and projectors : en fr
  • GB455248A - Improvements in cowls for air-cooled aircraft engines : en
  • DE636702C - Sewing foot for making buttonholes with bars on both sides : de en
  • ES142982A1 - A harvester-thresher. : en es
  • GB455111A - Improvements in or connected with water-waste preventers : en
  • DE636525C - Device for removing and aligning oval cigarettes : de en
  • US2057124A - Indirectly heated cathode for discharge tubes : en
  • US2057190A - Reenforced gland massage device : en
  • US2057386A - Engine starting mechanism : en
  • US2057223A - Container cushioning means for container cars : en
  • US2057446A - Filter for removing solids from gases : en
  • ES142964A1 - Improvements in liquid counters. : en es
  • GB455107A - Improvements in or relating to microphones of the type used in telephone systems : en
  • ES142997A1 - Procedure for obtaining new ethers. : en es
  • ES142932A1 - Improvements introduced in the construction of airplanes and aircraft. : en es
  • ES142988A1 - Procedure for obtaining an active substance that breaks down a certain foreign protein in an animal organism. : en es
  • CH187012A - Process for the preparation of a cyclic ketone. : de en
  • GB455121A - Improved method of adjusting the value of an inductance coil : en
  • FR804159A - Improvements to covering surfaces : en fr
  • GB455197A - Improvements in and relating to hand bags and the like and to frames therefor : en
  • DK52304C - Double-walled Kærnetønde. : da en
  • US2057455A - Green azodyestuffs : en
  • DE636635C - swimsuit : de en
  • DE636862C - Method and device for the electrical remote transmission of a measured variable using two different frequencies : de en
  • DE636691C - Procedure for adjusting capacity inequalities in telephone cables : de en
  • DE636757C - Vapor discharge vessel, especially mercury vapor rectifier : de en
  • ES142999A1 - Oven to distill at low temperature or coke fuel in a flat layer. : en es
  • ES4787U - Antenna descent with antiparasitic shielding. (Machine-translation by Google Translate, not legally binding) : en es
  • FR804078A - Improvements to tobacco pipes : en fr
  • CH186936A - Electrical connector. : de en
  • DE1386986U - Advertising insert, especially for cigarette packs : de en
  • GB455240A - Improvements in stop-motions of looms for weaving : en
  • ES142212A1 - Procedure for disinfection and conservation. : en es
  • US2057252A - Folding tent house : en
  • USD101563S - Design for a jar : en
  • GB454970A - Improved manufacture of cosmetic preparations : en
  • DE636485C - Screw locking : de en
  • DE636725C - Switching device for gearbox with series connection : de en
  • US2057388A - Apparatus for cleaning vehicles : en
  • US2057438A - Multiple totalizer cash register : en
  • DE636603C - Coreless induction furnace for operation with three-phase current : de en
  • US2057556A - Tire indicating means and method : en
  • GB455234A - Improvements in rail cars : en
  • GB455284A - Improvements in and relating to lids or closures for metal boxes : en
  • US2057499A - Vacuum cleaner : en
  • US2057642A - Hairspring assembly for timepieces : en
  • FR804108A - Method and apparatus for spinning a single-ended yarn composed of a mixture of animal and vegetable fibers : en fr
  • GB455220A - Improvements in or relating to photography in relief with or without colour : en
  • GB455254A - Improvements in methods of and machines for compressing cotton wads : en
  • GB455052A - Improvements in or relating to multiple-contact electric control apparatus : en
  • GB455163A - Improvements in collar stiffeners : en
  • ES4386Y - Sandal. : en es
  • US2057041A - Radiator valve for steam heating systems : en
  • DE636562C - Film protection device for projection machines : de en
  • DE636935C - Floor polisher : de en
  • FR804070A - Feeder device for machines for pasting labels, banners and other similar sheets of paper : en fr
  • GB455049A - Improvements relating to illuminated signs : en
  • GB454989A - Improvements in vibration dampers for crankshafts : en
  • GB455117A - Improvements in or relating to electric measuring instruments : en
  • FR804026A - Device for damping the oscillations of springs, in particular for motor cars : en fr
  • DE636536C - Radio receiver with display device with two scales : de en
  • FR804050A - Automatic friction disc brake, in particular for electric motors : en fr
  • GB455067A - Aeroplane kite : en
  • FR803945A - Openwork fabric and its manufacturing process : en fr
  • GB455112A - Improvements in or connected with water-waste preventers : en
  • GB455119A - Improvements in and relating to apparatus for spreading, shredding and conditioning tobacco : en
  • US2057328A - Sectional cable suspension assembly : en
  • US2057645A - Pressure gauge : en
  • DK52289C - Apparatus for Extinguishing Glowing Cigarette butts. : da en
  • FR804177A - Safety and reinforcement device for cable moorings : en fr
  • DE636779C - Device for draining and removing weeds from strawberry beds : de en
  • FR804191A - Improved rolling device and its manufacturing process : en fr
  • GB455228A - Improvements in or relating to electric junction boxes : en
  • US2057018A - Fence : en
  • GB455212A - Improvements in carburettors for internal combustion engines : en
  • GB455375A - Improvements in and relating to television and like systems : en
  • GB455273A - Improvements in and relating to reduction gearing : en
  • FR804007A - Device for finding the future firing point on an airplane : en fr
  • IE14727L - Apparatus for the continous production of water - gas : en
  • FR804010A - Front seat arrangement for motor vehicles or others : en fr
  • USD101594S - Design fob a button : en
  • DE636639C - Generation of oxygen by thermal decomposition of oxygen-releasing briquetted masses : de en
  • GB455282A - Metallic tungsten powder, particularly suited for the manufacture of thick filamentary incandescent bodies : en
  • FR804095A - Electric iron : en fr
  • FR804128A - Glue and method including application for increasing the adhesive power of rubber and other substances : en fr
  • FR804186A - Soundproof floor : en fr
  • GB455137A - Improvements in and relating to electron discharge devices : en
  • GB455037A - Improvements in and relating to methods of converting direct current into polyphase alternating current : en
  • US2057603A - Game apparatus : en
  • DE618422C - Method and device for weaving with two warp thread systems : de en
  • FR804143A - Large aperture and wide field lens, for still cameras and cinematography : en fr
  • CH186834A - Insole. : de en
  • DE636711C - Device for surface hardening of arrow-toothed wheels : de en
  • US2057448A - Trolley contactor : en
  • US2057498A - Straining or separating equipment : en
  • US2057096A - Handle construction for utensils : en
  • US2057237A - Water filter and purifier : en
  • ES142967A1 - An electric discharge lamp with cadmium vapor. : en es
  • US2057024A - Defecator weighing device : en
  • US2057111A - Telegraph transmitter : en
  • US2057324A - Production of artificial silk and the like : en
  • US2057374A - Saddle : en
  • CH186843A - Process for reducing the acid content of mixtures of hydrogen peroxide and water vapor. : de en
  • CH186871A - Device for the computational prediction of the temporal possibility of conception in the time interval between two menstruations. : de en
  • DE636785C - Storage channel on display and output devices for bobbins, rolls and. like : de en
  • IE14075L - Packaging. : en
  • CA361064A - Gun arrangement for aircraft : en fr
  • CH186979A - Pliers for removing horseshoe studs. : de en
  • GB455066A - Process for the manufacture of artificial resins : en
  • US2057010A - Baffle for air-cooled cylinders : en
  • US2057502A - Crayon holder : en
  • DE636530C - Device for washing laundry with circulating washing liquid and drying air : de en
  • GB455287A - New or improved sterilizing apparatus : en
  • FR804066A - Adjustable hardware system for skis shaping : en fr
  • GB455116A - Improvements in electrical circuit control devices : en
  • DE636526C - Process for drying coal and other bulk goods in two stages : de en
  • DE636890C - Device for the production of electrical tubular heating elements : de en
  • FR804053A - Sliding bearing : en fr
  • GB455171A - Improvements in or relating to obstetric instruments : en
  • CA361197A - Drum filter : en fr
  • DE636881C - Toothbrush with a narrow brush surface : de en
  • FR804171A - Improvements to elastic bands for windshields of motor cars : en fr
  • CA361059A - Painting or coating device : en fr
  • USPP200P - brownell : en
  • USD101549S - Design for a bun : en
  • US2057028A - Counterbalance mechanism : en
  • US2057366A - Apparatus for treating food : en
  • US2057505A - Condenser for refrigerating apparatus : en
  • CH186775A - Installation allowing the emptying, in an unloading hopper, of the refuse contained in the receptacles, without release of dust. : en fr
  • CH186954A - Orthopedic bandage. : en fr
  • DE636654C - Helical spring arranged on a fixed axis of rotation for oven doors made of sheet metal : de en
  • US2057558A - Oil rig support : en
  • US2057568A - Dust arrester : en
  • USD101552S - Design for a dress : en
  • US2057267A - Bag pocket : en
  • CH186898A - Method and device for drying material webs provided with a coating. : de en
  • US2057034A - Liquid measuring apparatus : en
  • US2057189A - Method of cleaning feed water heaters : en
  • AU2479735A - Improvements in means for opening and closing doors : en
  • CA361201A - Web control device : en fr
  • US2056940A - Hydraulic brake system : en
  • US2057188A - Rock drill : en
  • US2057468A - Buffer mechanism : en
  • US2057479A - Process of treating meat proteins : en
  • US2057554A - Method of and apparatus for the reduction of oxide ores : en
  • DE636903C - Electromagnetic, alternating current method to find flaws in ferromagnetic workpieces : de en
  • US2057240A - Ignition coil and distributor : en
  • US2057314A - Electrolytic device : en
  • US2057549A - Range finder : en
  • CA361160A - Lime brick : en fr
  • CH186822A - Iron. : de en
  • CH186866A - Process for improving the properties of photographic emulsions. : de en
  • CH186940A - Gas pressure switch. : de en
  • FR803906A - Communication bellows between two vehicles hitched to each other : en fr
  • GB455192A - Improvements in or relating to shoe containers : en
  • US2056999A - Control mechanism : en
  • US2057214A - Alternating current motor : en
  • US2057395A - Reflector : en
  • US2057653A - Convertible shift reperforator : en
  • DE636643C - Cross cutter equipped with feed rollers and a continuously variable transmission : de en
  • CA361143A - Sprinkler system : en fr
  • CA361144A - Valve : en fr
  • CH186838A - Device for splitting the backbone of slaughtered animals. : de en
  • ES142955A1 - Improvements in the containers cars shockproof. : en es
  • FI17204A - The textile material with the addition of rubber, exempted from the vulcanisation of rubber or ductile : en fi
  • GB455272A - Improvements in separation of wax from mineral oil by filtration : en
  • CH186790A - Solid fuel burner. : en fr
  • CH186926A - Device for adjusting the delivery rate of the individual cylinders of multi-cylinder fuel pumps for internal combustion engines. : de en
  • CH186788A - Solid fuel burner. : en fr
  • USD101587S - Combination tank and package delivery body for vehicles : en
  • DE636091C - Circuit arrangement for separating different current paths using a differential circuit : de en
  • GB455174A - Improvements in or relating to envelopes : en
  • CH186952A - Electric high-pressure discharge lamp for at least an approximately horizontal burning position with an electromagnet acting as a series choke coil. : de en
  • US2057377A - Molding mechanism : en
  • US2057411A - Washing and after-treatment of yarn : en
  • US2057539A - Oil burner : en
  • CH186848A - Process for the preparation of a dioxazine dye sulfonic acid. : de en
  • DE636612C - Centrifugal distributor : de en
  • NL39126C - : en
  • CH186763A - Liquid container with automatic drain. : de en
  • US2057553A - Tensioning device for eliminating slack in films : en
  • US2057358A - Submergible carpet : en
  • NL39127C - : en
  • US2057219A - Filter : en
  • DE636787C - Substance impermeable to irritant or poisonous gases : de en
  • FR804061A - Ring saw for cutting wood : en fr
  • CA361108A - Detector amplifier circuit : en fr
  • CA361101A - Fuse switch : en fr
  • CH187002A - Reversible bicycle drive. : de en
  • ES143002A1 - Extraction procedure, using sulfuric acid, of aluminum contained in clays, kaolins, bauxites, etc. : en es
  • FR803915A - Improvement in the process of laying tear strips of paper packaging and device for its application : en fr
  • DE636690C - Circuit arrangement for telephone systems with dialer operation : de en
  • FR803990A - Interference suppressor for radio receivers : en fr
  • CA361121A - Shoe bottom pressing apparatus : en fr
  • DE636805C - Closure for tubes and like : de en
  • US2057108A - Folding ironing table : en
  • USD101542S - Design fob a combined beverage : en
  • ES142952A1 - NEW SUPPORT SYSTEM FOR THE TIPPER ON THE ROTATING TRUCK ON SPIRAL SPRINGS : en es
  • US2057650A - Auxiliary power device for tractors : en
  • CA361098A - Piston ring testing device : en fr
  • CH186912A - Device for automatically closing car and floor doors left open in elevator installations. : en fr
  • CA361163A - Automobile heater : en fr
  • US2057236A - Humidifier : en
  • CH186991A - Regulator intended to be inserted in the return pipe of a continuous circulation pump ensuring the adjustment of the shock absorbers. : en fr
  • US2057231A - Faucet : en
  • USD101523S - Design for a bridge bar for ice : en
  • CH186772A - Rail joint connection. : de en
  • DE636717C - Device for distributing the power peaks occurring in a scheduled power plant to several machines working in parallel : de en
  • ES142989A1 - A method to obtain plates for printing in one color or in several. : en es
  • FR803964A - Process for the production of azo dyes on fibers, intermediate products for carrying out this process and new industrial products resulting therefrom : en fr
  • FR803978A - Method for fixing covering elements on floors and walls or any supports : en fr
  • US2057147A - Cylinder head and valve mechanism for internal combustion engines : en
  • US2057587A - Gripping fastener : en
  • CA361173A - Hose fitting : en fr
  • CH186783A - Noise protection device for liquid valves. : de en
  • FR803968A - Improvements to tunnel kilns : en fr
  • US2057011A - Rapid cut-off machine : en
  • US2057471A - Dynamo-electric machine : en
  • US2057610A - Sand drying device : en
  • US2057086A - Controlling apparatus for fluid-pressure motors : en
  • USD101559S - Design for a cocktail shaker or : en
  • US2057354A - Internal combustion engine automatic valve control : en
  • DE636756C - Device for transferring individual wires of a stack, for example individual power supply wires of electric light bulbs, to a wire processing station : de en
  • DE636838C - Process for the production of rayon : de en
  • GB455094A - Preparation of 1-phenyl-3-methyl-pyrazolone-5 and related compounds : en
  • CH187024A - Process for the preparation of a polyazo dye. : de en
  • DE636855C - Automatic fire extinguishing system with a shower pipe network extending over several rooms to be protected and a common main valve : de en
  • ES142927A1 - PROCEDURE FOR THE COLORATION OR TINTING OF CELLULOSE ESTERS AND ETHERS : en es
  • GB455222A - Driving clutches : en
  • ES142979A1 - MANEUVERING, WITHOUT LINKAGES, PACKING MACHINES : en es
  • FI17226A - Sätt och anordning för framställning av föremål av pappersmassa : en fi
  • DE636744C - Swiveling loading device for horizontal metal pipe and extrusion presses : de en
  • US2057155A - Percolator top retainer : en
  • US2057246A - Gas analyzing process and apparatus : en
  • US2057567A - Sewage sludge digester : en
  • US2057419A - Power transmission belt and method of making the same : en
  • GB455082A - Improvements in borosilicate glass containing cerium : en
  • GB455122A - Improvements in and relating to the recording of sound : en
  • ES143031A1 - A procedure for obtaining white pottery. : en es
  • FI17216A - Fuse cover ring for use in electrical enclosures with disc covers : en fi
  • FR803931A - Braun tube deflector assembly device : en fr
  • GB454972A - Improvements in or relating to devices or appliances for hanging or suspending clothing or garments : en
  • GB455185A - Improvements in and relating to methods of purifying graphite : en
  • FR804194A - Process for the manufacture of vinyl ether, morpholine and related compounds : en fr
  • GB455014A - Process for the manufacture of esters of phosphoric acid : en
  • FR803995A - Plane : en fr
  • IE14213L - Colour photography using silver halide emulsions : en
  • US2057021A - Hot knife and method of use : en
  • DE636741C - Device for the production of seamless tubes : de en
  • DE636731C - Storage of the drive device in motor vehicles with a medium supporting structure : de en
  • DE636780C - Bottom trawl gear : de en
  • GB455129A - Anti-dazzle device : en
  • FR804150A - Baby carriage : en fr
  • GB454949A - Improvements in building blocks, bricks and the like : en
  • US2057620A - Number-printing apparatus for printing machinery : en
  • FR804088A - Improvement in compressor lubrication : en fr
  • US2056951A - Electric soldering iron : en
  • DE636508C - Device for regulating the moisture content of tobacco or the like. : de en
  • US2057433A - Treatment of hydrocarbon oils : en
  • US2056966A - Continuously moving film camera : en
  • GB455382A - Improvement in or relating to the precombustion chambers of internal combustion engines : en
  • FR803999A - Improvements to numbering mechanisms for printing machines : en fr
  • FI17233A - Uppsamlingsanordning för de färdiga tändstickorna i komplettmaskiner : en fi
  • FR803985A - Improvements to the methods of printing or applying chemicals and dyes to any textile fibers or yarns in flocks, fleets or skeins, filaments, ribbons or warps : en fr
  • US2057177A - Apparatus for cleaning and degreasing metal articles and the like : en
  • FR804019A - Writing telegraph device, with typing keyboard transmitter : en fr
  • DE636846C - Air storage diesel engine : de en
  • FR804120A - Method and machine for scutching flax and similar stems containing fibers : en fr
  • GB455139A - Improvements in or relating to gaseous pressure systems and valves for use in connection therewith : en
  • FR803918A - Improvements in photomechanical processes, in particular for reproduction by rotating cylinders : en fr
  • FR803973A - Improvements to feeders for automatic weapons : en fr
  • FR803934A - Measuring device for cylinder boring machines and devices : en fr
  • GB455219A - Improvements in pneumatic apparatus for separating dust from coal and the like : en
  • ES142986A1 - Press for the manufacture of shatterproof glass composed of several layers. : en es
  • ES4427Y - Lever lock for fixing lids and for similar applications. : en es
  • FR803942A - Heavy fuel gasification device for combustion engines, with mixed electric and exhaust gas heating, and automatic temperature control by thermostats : en fr
  • GB455164A - Improvements connecfed with directional wireless apparatus for aircraft : en
  • DK52290C - Burner for Gas Appliances, Gas Stoves and similar gas fired Stoves or Heaters. : da en
  • GB455065A - Arrangement for compensating by means of a compensating medium, a force or liquid or gas pressure, exerted upon a movable wall of an enclosed space : en
  • US2057051A - Method of drawing and photographing stereoscopic pictures in relief : en
  • ES4433Y - Armor for the attachment of false pieces to the face of the masks and to the gas protection goggles. : en es
  • FR803940A - Manufacturing process for rubber articles and products obtained by this process : en fr
  • FR804075A - Sliding shaft lubrication device : en fr
  • US2057288A - Eyeglasses : en
  • US2057450A - Wet refuse burning boiler and furnace installation : en
  • CH186812A - Closure device on crown cork bottles. : de en
  • FI17207A - Valspress fv avvattning av vattenbemängda material exempelvis bark, råtorv, cellulosamassa och dylikt : en fi
  • US2057004A - Method and apparatus for distillation of hydrocarbons : en
  • US2057234A - Edward a : en
  • US2057470A - Elastic buckle for men's dress and the like : en
  • CA361118A - Welt butting machine : en fr
  • US2057167A - Manufacture of impregnated sheet products : en
  • US2057654A - Wall assembly : en
  • DE636798C - Two-sash double window with associated bolt lock : de en
  • FR804118A - Towel to hang around the neck for grooming, especially for shaving, and other applications : en fr
  • GB455102A - Improvements relating to compressors for air or other gases : en
  • US2057341A - Artificial denture and method of making the same : en
  • US2057418A - Bolt making machine : en
  • DE636680C - Mechanically driven press for punching and drawing hollow bodies : de en
  • FR803966A - Improvements to pulse-sending devices such as those used for program selection : en fr
  • FR804024A - Arrangement of injection pumps in internal combustion engines with cylinders arranged in a v-shape : en fr
  • ES142950A1 - A process for the destructive hydrogenation of solid carbonaceous materials. : en es
  • US2057263A - Lighting fixture : en
  • US2057048A - Signal control system : en
  • US2057152A - Can washing and sterilizing apparatus : en
  • US2057235A - Combination waist band and belt : en
  • US2057465A - Display device : en
  • US2056971A - Antirattle dovetail for doors : en
  • US2057053A - Loom for weaving : en
  • US2057171A - Anti-slipping tread and floor covering and method of making the same : en
  • US2057194A - Safety discharge valve : en
  • DE636596C - Cable box with oil filling : de en
  • FI17217A - Frequency setting for the magnetic field of the electromagnetic coil : en fi
  • FR804006A - Method and device for filling and capping containers protected from any contact with air : en fr
  • US2057345A - Bumper for carpet sweepers : en
  • CH186779A - Chimney head. : en fr
  • FR804069A - Extendable kitchen table : en fr
  • ES142946A1 - IMPROVEMENTS RELATED TO THE MANUFACTURE OF CARTONED ROOFS : en es
  • ES143046A2 - IMPROVEMENTS IN THE PROCEDURE FOR APPLYING PAINTS, VARNISHES AND COLORS, IN THE FORM OF FILAMENTS ON FABRICS OR OTHER SURFACES : en es
  • GB455088A - Improvements in or relating to boats, canoes and such like craft, and methods of making same : en
  • FR804064A - Automatic goods dispenser device : en fr
  • GB455258A - Improvements in sheet feeding apparatus for printing and like machines : en
  • DE636851C - Coolants and lubricants for internal combustion engines : de en
  • FR803904A - Improvements to closures for bottles, flasks and all similar containers : en fr
  • GB455188A - Improvements in or relating to safety devices in connection with the remote control of electric circuits : en
  • GB455146A - Improvements in or relating to television and like systems and apparatus therefor : en
  • GB455232A - Improvement in heat-insulated receptacles : en
  • SE87636C1 - : en
  • GB455126A - Removable handle for saucepans and frying pans : en
  • DE636520C - Process for achieving lower tensile stresses in the outer layer of components of all kinds : de en
  • FR804028A - Carburetor improvements : en fr
  • FR804104A - Process for preparing synthetic tanning substances : en fr
  • GB455183A - Improvements in infants' garments : en
  • FR804094A - Process for removing oily constituents from hydrogenation residues of carbonaceous materials : en fr
  • FR804101A - Improvements to the control mechanism of motor vehicles controlled by internal combustion engines : en fr
  • GB455162A - Improvements in or relating to oven slices or shovels : en
  • FR804084A - Heating body to make permanent waves of the hair : en fr
  • USD101565S - Design for a chair or similar article : en
  • DE636820C - Device for indicating that the water level in the cups of telescopic gas containers is too low : de en
  • DE636224C - Process for the production of thio, seleno and telluroxanthone dyes : de en
  • US2056967A - Photoelectric thermionic cell : en
  • US2057107A - Phonograph : en
  • US2057351A - Frame transferring mechanism and drive therefor : en
  • US2057544A - Refrigerator shelf construction : en
  • GB455288A - Improvements in and relating to thermostatic switches : en
  • US2057632A - Electric resistance welding system : en
  • US2057200A - Tire changing apparatus : en
  • USD101522S - Design fob a projector : en
  • US2057067A - Weed puller : en
  • US2057621A - Dictating machine : en
  • CA361057A - Elastic fabric : en fr
  • DE636755C - Thermal overcurrent release for electrical circuit breakers : de en
  • CA361117A - Shoe operating machine : en fr
  • CH186944A - Relay. : de en
  • US2057071A - Sound insulation and material therefor : en
  • US2057585A - Electric translating circuit : en
  • CH186878A - Voltage converter. : de en
  • NL39218C - : en
  • US2057187A - Microscope : en
  • US2057202A - Self sharpening razor : en
  • US2057078A - Christmas tree electric socket and support-holder : en
  • US2057256A - Shovel : en
  • NL39279C - : en
  • US2057159A - Track shunting apparatus : en
  • CH186845A - Process for the preparation of Py-3-oxytetrahydro-7-oxynaphthoquinoline. : de en
  • CH186855A - Process for making a water purifying agent. : de en
  • GB455350A - Improvements in covers for bucket seats and other analogous single or other seats in motor-driven vehicles : en
  • DE636688C - Process for the phase control of film images in television broadcasters : de en
  • FR804071A - Stone crusher : en fr
  • GB455138A - Improvements in and relating to the manufacture of rubber products, more particularly of porous and spongy masses and articles : en
  • ES4465Y - Sprayer for liquids : en es
  • ES142973A1 - A PROCEDURE FOR THE GENERATION OF STEAM : en es
  • ES142948A1 - Improvements in the construction of bicycle rims. : en es
  • GB455034A - Improvements in or relating to change-speed transmissions of the planetary gear type : en
  • US2057033A - Multiple service hair drier or the like : en
  • US2057217A - Automatic lawn sprinkler : en
  • US2057326A - Snow plow : en
  • AU2468135A - Improvements in or relating to hydraulic power transmission apparatus : en
  • FR804154A - Cable mooring base : en fr
  • ES142726A1 - IMPROVEMENTS IN THE PROCEDURES AND DEVICES FOR CARBONIZATION AND DISTILLATION IN HALL, SKIST, LIGNITE, HULLA AND ANALOGUE MATERIALS : en es
  • GB454959A - Manufacture of acid-dyestuffs of the anthraquinone series : en
  • GB455008A - Improvements in or relating to the manufacture of condensation products : en
  • DE636703C - Method and device for the production of pozzolana to be used baked clay : de en
  • ES142923A1 - A process for the destructive hydrogenation of solid carbonaceous materials. : en es
  • CH186995A - Successor control valve on pneumatic vehicle brakes. : de en
  • NL39142C - : en
  • US2057293A - Paper box : en
  • DE606567C - Process for the production of palatal plates : de en
  • DE636568C - Telecommunication and security device in which a bimetal spring influences a pointer and switching device under the influence of the respective air temperature : de en
  • US2057000A - Switch construction for automotive vehicles : en
  • US2057614A - Combination jar holder and top remover : en
  • CH186826A - Bag deduster. : de en
  • CH186909A - Connection fitting on tubular bodies, in particular on folded tubes and fuel hoses. : de en
  • US2057091A - Method of and apparatus for magnetic testing : en
  • US2057184A - Electric lighting system : en
  • US2057298A - Heat exchange device : en
  • GB455059A - Improvements relating to slicing machines : en
  • USD101585S - Design for a bracket : en
  • DE636578C - Hearth rail connection : de en
  • ES142947A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • GB455182A - Improvements in or relating to motor vehicles : en
  • GB455379A - Manufacture and application of substances having capillary activity : en
  • ES4782U - A support system for flat feet (Machine-translation by Google Translate, not legally binding) : en es
  • CH186900A - Color card with color comparison device. : de en
  • DE636788C - Suspension of wheels for motor vehicles : de en
  • ES4425Y - Support for fuel containers. : en es
  • GB454990A - Improvements in trepanning tools for the cutting of holes in sheets or plates : en
  • CH186804A - Cast iron base for tables, seating and the like. : de en
  • CH186830A - A closure comprising a row of consecutive male elements which elastically engage by pressure in consecutive elements of a row of female elements. : en fr
  • DE636629C - Two-anodic rectifier tubes with glow cathode and gas filling : de en
  • DE636585C - Grease lubrication device with a sieve plate in the grease storage container in front of the conveyor device and a pressure device with cylinders : de en
  • DE636308C - Process for the production of praseodymium salts or their aqueous solutions : de en
  • CA361164A - Engine fuel system : en fr
  • DE636495C - Centrifugal ball mill : de en
  • DE636570C - Method and device for measuring the phase shift between two alternating current quantities by forming a pulse ratio, in particular for telemetry purposes : de en
  • ES142643A1 - Improvements in the altimeters for aerial devices. : en es
  • FR803901A - Electric shunt : en fr
  • GB455170A - Improvements in anti-slip devices for footwear : en
  • GB455156A - Improvements in or relating to the shaping of shoe uppers : en
  • GB455198A - Improvements in or relating to steam superheaters for boilers of the locomotive type : en
  • FI17225A - Pappersbehållare företrädesvis avsedd för vätskor samt förfaringssätt för deras framställning : en fi
  • DE636819C - Low pressure protection for gas lines : de en
  • CH186965A - A method of manufacturing a filter for gas mask filter cartridges or cans and a filter obtained by means of this method. : en fr
  • ES143057A1 - Procedure for the manufacture of waterproof cement and asbestos plates and pipes : en es
  • DE636732C - Bogie frame, especially for trailers of trucks : de en
  • FR804002A - Process for manufacturing a washable paint or coating and new product obtained : en fr
  • GB455131A - Fuel-injectors for internal combustion engines : en
  • DE636871C - High-voltage switch of the support type with a live drive operated by a gaseous pressure medium : de en
  • GB455181A - Improvements relating to the production of antimony oxide : en
  • DE636579C - Pendulum insert door : de en
  • GB455076A - Improvements in or relating to the projection of light effects on to a screen : en
  • GB455084A - Improvements in or relating to cathode ray tubes and circuits therefor : en
  • FR804196A - Device adaptable to hole billiards with new game : en fr
  • GB454968A - Treatment of textile materials : en
  • US2057080A - Disk plow : en
  • CA361194A - Bait holder : en fr
  • CH186910A - Oil seal. : de en
  • US2056936A - Motor-pump unit : en
  • US2057248A - Tank for petroleum or other liquids : en
  • US2057038A - Fitting and method of manufacturing the same : en
  • FR804198A - Operating method of a pneumatic crusher : en fr
  • CA361188A - Razor vibratory motor : en fr
  • CA361072A - Railway car coupler : en fr
  • CA361085A - Resistance-capacitance coupled amplifier : en fr
  • ES142958A1 - Improvements in the methods to transport pulverulent materials from deposits. : en es
  • FR804093A - Protective device for static converters : en fr
  • GB455244A - Improvements in and connected with mills for mixing, grinding, refining, and other processes : en
  • ES142959A1 - Improvements in television sets. : en es
  • DE636684C - Lattice work of hollow stones for blast furnace heaters and like : de en
  • US2057201A - Insulating handle for pliers : en
  • US2057456A - Dental impression composition : en
  • ES142090A1 - Device for pressing perforated billets, with narrowed bottom, for the process of manufacturing push tubes. : en es
  • GB455262A - Improvements in or relating to conditioning machines for absorptive sheet materials : en
  • US2057131A - Automatic kick-off device : en
  • USD101597S - Design for a lace : en
  • DE636554C - Ticket printer : de en
  • DE636781C - Anti-skid device for horseshoe-shaped hoof fittings consisting of an iron and an attached running part made of elastic material : de en
  • FR804181A - New pulp working cylinder, especially in the paper industry or similar : en fr
  • GB455013A - Apparatus for controlling the pressure in closed vessels or systems : en
  • GB455151A - Improvements in electrical connections to electrodes for use in kinematograph arc lamps : en
  • FR804033A - Lubricator for railway equipment : en fr
  • GB454988A - Twisting machine for producing steel wire strands and cables : en
  • DE636786C - Daylight developing box with attached container for roll film cassettes or cartridges : de en
  • DE636842C - Vulcanizing device for renewing the tread of pneumatic rubber tires : de en
  • GB455039A - Improvements in and relating to the manufacture of porous artificial stone : en
  • US2057281A - Guide : en
  • GB455061A - Improvements in shutters : en
  • US2057618A - Display package for bottled goods and the like : en
  • US2057355A - Beet cutting machine : en
  • CA361053A - Thermo hydrometer : en fr
  • US2056969A - Collapsible box : en
  • US2057016A - Light-sensitive material and process : en
  • CH187025A - Process for the preparation of a thioindigo series dye. : de en
  • US2057175A - Motor circuit : en
  • US2057309A - Heating system control means : en
  • US2057330A - Process of producing artificial stone : en
  • US2057639A - Doughnut machine and the like : en
  • USD101535S - Design fob a water closet : en
  • DE636796C - Device for scratching stones : de en
  • DE636896C - Three-phase circuit for fine adjustment of crane drives : de en
  • FR804137A - Device for preventing the driver of a motor vehicle from being dazzled by the headlights of an oncoming vehicle : en fr
  • GR6057B - Plow Control. : el en
  • CA361140A - Belt : en fr
  • CH186881A - Watch case. : de en
  • CH186943A - Self-contained installation switch that can only be switched on and off with instantaneous connection and cannot be kept in the on position in the event of an overload. : de en
  • DE636856C - Short-circuit-free landing light : de en
  • US2057527A - Method of and apparatus for making nuts : en
  • CH186920A - Injection internal combustion engine with a combustion chamber separated from the displacement. : de en
  • US2057013A - Stilt : en
  • US2057065A - Heating process : en
  • US2057069A - Oil-filled pot head : en
  • US2057367A - Walking beam furnace : en
  • CH186861A - Frame for typewriters, calculating machines and other office machines and process for its manufacture. : de en
  • CH187019A - Process for the preparation of an azo dye. : de en
  • NL74977B - : en
  • US2057224A - Brassiere : en
  • CH186839A - Device for the production of sausage products without casing. : de en
  • US2057238A - Liquid-dispensing apparatus : en
  • USD101570S - Design fob an armchair frame : en
  • NL39300C - : en
  • CH186817A - Sewing machine. : de en
  • GB455255A - An improved process for preparing electrode carbon and ash-free coking products from coals : en
  • DE636832C - Arrangement for a motor fed from the direct current network via grid-controlled steam or gas discharge lines : de en
  • FI17234A - Match sheet making machine : en fi
  • FR804096A - New bodywork of railway cars or other vehicles : en fr
  • FR804164A - Motor with periodically variable strokes : en fr
  • DE636613C - Process for the production of pocket knife blades from strip steel sections : de en
  • ES142936A1 - Improvements in steel alloys suitable for equipment subjected to high temperatures. : en es
  • DE636401C - Key transmitter for telegraph apparatus : de en
  • FR804144A - Improvement in high voltage low oil volume circuit breakers : en fr
  • GB455237A - Improvements in or relating to cathode-ray tubes : en
  • US2057119A - Method of producing oxalic acid : en
  • DK52287C - Procedure for the production of steam. : da en
  • ES143048A1 - A device transforming the three-phase current into single-phase currents of different intensities. : en es
  • US2057611A - Attachment for automobiles : en
  • CA361113A - Electric selecting switch : en fr
  • CH186776A - Additional radiator. : de en
  • DE636799C - Adjusting device for two window sashes : de en
  • DE636886C - Brake rod arrangement for the Kunze-Knorr brake : de en
  • FI17214A - Thermocouple Generator for detonation, with a single signal in the genome and magnetic field : en fi
  • DE636928C - Lock for bicycles : de en
  • US2057399A - Antirachitic product and process : en
  • US2056996A - Magnetic analysis-apparatus : en
  • FR804188A - Electro-mechanical averaging device : en fr
  • CH186962A - Process for the preparation of an aerosol filter media. : en fr
  • CH186975A - Device for ringing bells. : de en
  • US2057036A - Portable refrigerator : en
  • US2057459A - Method for the separation and recovery of krypton and xenon from gaseous mixtures containing them : en
  • US2057515A - Regulating system : en
  • US2057199A - Fabric take-off device : en
  • CA361115A - Sulphur combustion apparatus : en fr
  • DE636695C - High vacuum discharge vessel hanging from the pump, in particular Roentgen tubes, with rotating anode and ground joints for mutual inclination of the pump and tube : de en
  • FR804001A - improved solenoid valves and electro-pneumatic mixed control brakes fitted with these solenoid valves : en fr
  • CA361058A - Knitted fabric : en fr
  • US2056958A - Floor covering : en
  • US2057156A - Method of and apparatus for separating solids from fluid suspension : en
  • CH186966A - Full-view gas mask. : de en
  • CA361148A - Textile machine weighting mechanism : en fr
  • CH186969A - Self-seller, in which the default work is turned back via a summing gear on the one hand by the counter and on the other hand by a basic fee motor. : de en
  • DE636701C - Device for direct printing of total amounts on cash registers, booking machines and similar machines : de en
  • US2057228A - Rate recording attachment for integrating meters : en
  • DE636354C - Process for the production of azo dyes : de en
  • FR804109A - Improvements to automatic windshield wipers operating by vacuum : en fr
  • GB455172A - Improved method of treating wrappers for the preservation of chilled and frozen carcasses : en
  • GR6056B - SYSTEM FOR THE REPRODUCTION AND PRINTING OF LINE DRAWINGS, MONOCHROME OR MULTICOLOR. : el en
  • DE636804C - Process for the production of moldings for advertising, ornament and. Like. Purposes from hydraulically setting building material : de en
  • CA361133A - Automobile hood : en fr
  • CA361179A - Trenching plough : en fr
  • US2057027A - Control device : en
  • US2057210A - Floor leveler for elevators : en
  • US2057570A - Self-priming centrifugal pump : en
  • US2057627A - Ventilation system for cattle barns and the like : en
  • US2057172A - Feed water regulator system : en
  • US2057204A - Metallic baseboard construction : en
  • US2057280A - Gathering apparatus : en
  • CA361079A - Roofing coating apparatus : en fr
  • US2056990A - Ultraviolet ray instrument : en
  • US2057520A - Regulating system : en
  • US2057292A - Washing machine : en
  • US2057350A - Metal awning : en
  • CA361100A - Internal combustion engine : en fr
  • DE636260C - Process for the preparation of higher molecular weight thiosulfuric acid esters and their salts : de en
  • GB455099A - Improvements in respirators, gas masks and the like : en
  • DE635912C - Hydraulic piston press for woodworking : de en
  • DE636817C - Method and device for magnetic cutting : de en
  • US2057429A - Adjustable shelf : en
  • US2057130A - Train pipe connection : en
  • US2057335A - Multipost lift : en
  • ES142631A1 - Command and control posts for machine guns or other automatic weapons. : en es
  • US2057095A - Venetian blind bracket : en
  • FR804102A - Fruit grading machine : en fr
  • US2057338A - Apparatus for ore concentration : en
  • US2057586A - Float switch : en
  • FR803951A - Compressor or rotary vane pump with movable bulkhead with instantaneous eclipses : en fr
  • GB454964A - Improvements in plate heat exchangers for fluids : en
  • GB455140A - Improvements in hydraulic torque transmitting mechanism : en
  • FR804056A - Illuminated advertising : en fr
  • FR804052A - Device for grinding the grinding wheel in flat grinding machines with tangent grinding wheels : en fr
  • GB454994A - Improved method of and apparatus for effecting contact between incompletely miscible liquids : en
  • US2056948A - Carpenter's tool : en
  • DE636739C - Connection for the shots of scratch conveyor troughs with conveyor and return sections arranged one above the other : de en
  • DE636917C - Device for the optical copying of lenticular films : de en
  • US2057064A - Illuminated sign : en
  • US2057084A - Electrical interlocking switch gear : en
  • GB454958A - Improvements in and relating to the preservation of rubber : en
  • CA361102A - Gasoline tractor : en fr
  • US2057500A - Combination waxer and polisher : en
  • US2057609A - Collapsible box : en
  • ES4510Y - Detachable sommier. : en es
  • ES143016A1 - Procedure for obtaining azo dyes. : en es
  • US2057050A - Temperature regulation : en
  • US2057029A - Machine for combining and winding two or more webs of flexible material : en
  • DE636608C - Device for drying artificial silk cakes : de en
  • US2057062A - V-type two-cycle engine : en
  • US2057118A - Elevator guide : en
  • CH186762A - Device with pliers and bow-shaped ear tag for drawing in this tag for animal identification. : de en
  • CH186831A - Slide button. : de en
  • US2057495A - Photosensitive device : en
  • CA361088A - Electric switch : en fr
  • US2057323A - Production of artificial silk : en
  • US2057191A - Roll forming device : en
  • FR803984A - Token or coin skill game : en fr
  • CH186820A - Process for reducing the viscosity and increasing the dispersity of starch paste. : de en
  • CH186896A - Vise-anvil. : en fr
  • GB455077A - Method of mechanically working metal articles : en
  • CH186774A - Snow blower. : de en
  • FR803905A - Sintered Magnetic Powder Core for High Frequency Coils Shaped Wire Coil : en fr
  • GB455352A - Improvements in the manufacture and production of water-soluble azo dyestuffs : en
  • ES143034A1 - Construction system of inviolable warning devices or mechanisms, which act automatically or semiautomatically. : en es
  • US2057360A - Rotary web printing press : en
  • DE635679C - Process for the production of potassium formate : de en
  • DE636845C - Device for removing stems from fruits : de en
  • DE636699C - Magnetic coupling for measuring devices : de en
  • GB455047A - Improvements in knitted fabrics and in the production thereof : en
  • DE636560C - Process for the production of granulated tea grits or dust : de en
  • CH186816A - Trimming device for sectional warping machines. : de en
  • DE636808C - Air cooker for coal preparation : de en
  • ES143058A1 - Stretch and drain machine. : en es
  • US2057464A - Packing apparatus : en
  • USD101590S - Design for a bottle : en
  • US2057435A - Ventilated pulley : en
  • DE636263C - Torsion bar spring for suspension of the chassis, especially of motor vehicles : de en
  • GB455277A - Method and means for cooling and/or drying granular and like solid materials : en
  • DE636600C - Electric baking, roasting and cooking device : de en
  • FR803952A - Improvements to internal combustion engines : en fr
  • GB455063A - Improved box or cabinet construction : en
  • CA361183A - Gaiter : en fr
  • US2057030A - Assembling machine : en
  • US2057153A - Motion picture projector : en
  • DE636590C - Mobile device for compacting bedding under railway sleepers : de en
  • DE636607C - Thread monitor for textile machines, especially warp knitting machines : de en
  • GB455194A - Improvements in or relating to the dyeing and like treatment of hose and other shaped textile articles : en
  • DK52291C - Holder for Socks or Curtains. : da en
  • CA361189A - Annealing furnace : en fr
  • CA361137A - Can collar inserting machine : en fr
  • CA361176A - Aerial lead : en fr
  • CH186869A - Clip, especially for hanging up and weighing down films. : de en
  • GB455071A - Improvements in or relating to suction sweepers : en
  • GB455247A - Process and apparatus for the manufacture of road-making material : en
  • ES4434Y - Device for emptying the content of condensed milk can. : en es
  • CA361052A - Radio receiving system : en fr
  • US2057104A - Method of manufacturing pour point depressors : en
  • US2057265A - Asphalt manufacture : en
  • US2057469A - Delustering of textiles : en
  • CH186840A - Procedure for aeration of liquids in which microbiological processes take place. : de en
  • CH186925A - Oil scraper on two-stroke internal combustion engines. : de en
  • DE636641C - Rotary plate gravure printing machine in which the color is applied using an applicator roller : de en
  • DE636667C - Arc lamp for projecting lenticular film : de en
  • DE636949C - Single-chamber compressed air brake for locomotives, which only comes into effect when the brakes are strong : de en
  • US2057481A - Egg cooker : en
  • CA361107A - Communication system : en fr
  • ES142961A1 - Improvements in the cathodic oscillographs. : en es
  • USD101571S - Design for a glider : en
  • ES142622A1 - Improvements in radio direction-finding antenna systems. : en es
  • FR804013A - Mechanical-pneumatic gear change device by preselection : en fr
  • FR804051A - Device for controlling, by valve, the reverse direction and the advance, in particular applicable to machine tools : en fr
  • GB454986A - Improvements in or relating to rotary pumps : en
  • US2057287A - Eyeglasses : en
  • DE636825C - Handle attachment for brooms, scrubbers, etc. like : de en
  • CH186875A - Lock for automatic firearms with a fixed cartridge carrier and a cartridge wiper. : de en
  • DE636971C - Process for making photocopies and blueprints : de en
  • GB455120A - Improvements in and relating to apparatus for blending shredding and conditioning tobacco : en
  • US2057529A - Electrical distribution system : en
  • US2057305A - Electron discharge apparatus : en
  • FR804167A - Method for concentrating aqueous acetic acid solutions, and application devices : en fr
  • US2057264A - Cutting and gumming machine : en
  • DE636843C - Process for cleaning molten metal : de en
  • DE636815C - Device for disinfecting or sterilizing counter-pressure filling devices, in particular barrel filling and bottle filling devices : de en
  • GB454987A - Improvements in and relating to shock absorbers : en
  • GR6055B - IMPROVED SPRAYER. : el en
  • US2057186A - Signaling system and mechanism therefor : en
  • DE636854C - Photographic film : de en
  • GB455186A - Improvements in a fountain pen : en
  • GB455231A - Improvements in and relating to magneto electric machines : en
  • CH186922A - Two-stroke internal combustion engine with supercharging. : de en
  • CH186997A - Compressed air automobile. : en fr
  • CH186769A - Flexible panel intended for forming formwork for concrete work. : en fr
  • CH186990A - Pressure fluid gear change installation for vehicles. : en fr
  • GB455281A - Improvements relating to folding or pivoted shelves or the like : en
  • CH186806A - Soap dispenser in a pasty state. : en fr
  • DE636647C - Process for the production of one-piece pressed telephone station housings with and without base steps : de en
  • FI17221A - A continuously operating log stacking machine and a way to stack logs with this machine : en fi
  • FR804089A - Alarm clock device : en fr
  • GB455229A - Manufacture of cupriferous dyestuffs : en
  • DE636898C - Sound-absorbing and heat-sealed insulating mat made of paper, cardboard or similar materials with bulges that are pressed out of the mat material : de en
  • GB454996A - Improvements in signal-translating and-modulating systems : en
  • CH186809A - Sales and storage cabinet. : de en
  • CA11222S - Pianoforte casing : en
  • AU11036A - Improvements in water softening apparatus : en
  • US2057316A - Process of preventing injury to frosted vegetation : en
  • US2057622A - Mechanical stoker : en
  • CH186892A - Dovetail milling machine. : de en
  • US2057291A - Rivetless hoop joint : en
  • USD101574S - Design foe a panel : en
  • DE636944C - Device for automatically lifting an iron from the ironing piece in the non-use position : de en
  • DK52294C - Heat regulator. : da en
  • CH186833A - Sports shoe. : de en
  • CH186933A - Thermal installation. : en fr
  • CH186918A - Vacuum piston pump. : de en
  • FR803965A - Floodlight, in particular for lighting the landing strips of aerodromes : en fr
  • FR804065A - Metal pouring cap : en fr
  • US2057198A - Miniature camera : en
  • AU5740465A - Catalyst and process for the steam reforming of hydrocarbons : en
  • DE636646C - Process for improving the properties, in particular the hardness, of iron and steel alloys : de en
  • CH186963A - Sparkling liquid fire extinguisher. : en fr
  • CH186964A - Method and device for generating air foam, in particular for fire extinguishing purposes. : de en
  • NL39246C - : en
  • USD101550S - Design for a shoe sole : en
  • CA361095A - Electric immersion heater : en fr
  • CH186818A - Needle for crocheting or knitting and the like. Made of plastic material with a metal insert. : de en
  • ES141871A1 - A diametrograph to discover radiographically lesions of unequal diameters by means of several projections, with different inclinations, of the normal ray in the same radiographic plate or in different plates. : en es
  • GB455202A - Improvements in and relating to travelling band sorting mechanisms : en
  • DE636727C - Machine tool for machining, in particular by drilling and milling, of dies u. Like. According to a pattern shape : de en
  • CH186828A - Women's overdress. : de en
  • CH187014A - Process for the preparation of a cyclic ketone. : de en
  • FR804020A - Telegraphic apparatus receiving signals in dot and line code and writing in alphabetical characters : en fr
  • FR804140A - Convertible tool for gardening and horticulture work : en fr
  • FR803912A - Gas protection device : en fr
  • FR804182A - Improvements in the manufacture of conductor wires and cables : en fr
  • DE636789C - Support leaf spring, especially for motor vehicles : de en
  • CH187008A - Process for the preparation of a cyclic ketone. : de en
  • DE636209C - Process for reserving colorings from sulfuric acid esters of the leuco compounds of cottonseed dyes on cellulose fibers : de en
  • DE636708C - Process for the preparation of alkylene sulfides : de en
  • DE636759C - Switching device for electrically heated hotplates with a large heat capacity with two heat conductors, the heat output of which can be regulated by series connection : de en
  • FR804122A - Surface condenser for high power steam engines, cooled by a forced stream of dry air : en fr
  • DE636749C - Device for moving or guiding skylight windows : de en
  • FR803920A - Strip-shaped current input : en fr
  • FR803987A - Improvements made to sliding control devices, in particular to the pull tabs mounted on cars : en fr
  • DE636713C - Suspension of prime movers in the sprung part of the vehicle frame : de en
  • CH186916A - Lifting device for trolleys. : de en
  • DK52295C - Impeller pump. : da en
  • ES142977A1 - A PROCEDURE FOR MAKING TEXTILE MATERIALS WATER-RESISTANT : en es
  • FR804110A - Improvements to fuel injectors : en fr
  • GB454999A - Improvements in or relating to speed governing apparatus for internal combustion engines : en
  • GB455216A - Manufacture of azo-dyestuffs : en
  • CA361151A - Packaging device for suppositories, ovules, etc. : en fr
  • DE636566C - Method and device for the manufacture of outsoles and insoles of different sizes from pieces of material of uniform thickness : de en
  • DK52305C - Bicycle support. : da en
  • GB455260A - Improvements in rail cars : en
  • CH187017A - Process for the preparation of an azo dye. : de en
  • DE636352C - Process for the production of azo dyes : de en
  • ES4400Y - Spring or spiral spring, applicable to multiple uses, and especially to the placement of curtains, curtains and the like. : en es
  • US2056995A - Cellulosic substances and process of manufacture thereof from hemp fibers : en
  • ES142993A1 - An electric discharge valve equipped with several grids. : en es
  • CH186761A - Seed drill, especially for sowing granular seeds. : de en
  • CH186835A - Process for the production of pairs of soles consisting of insole and outsole. : de en
  • ES143036A1 - Elastic spring element. : en es
  • GB455195A - Method for the treatment of gases evolved in carbonising or gasifying plants : en
  • DE636895C - Boot jack : de en
  • US2056953A - Discharge lamp : en
  • DE630818C - Method and device for separating individual pellets from pressing trains : de en
  • DE636705C - Massage brush with liquid supply adjustable by screw or lever valve and removable liquid container : de en
  • ES4460Y - New bearing die to make threads. : en es
  • GB455242A - Improvements in electrically illuminated signs : en
  • FR804003A - Hermetic receptacle with salt incorporated in its mass for chemicals and others : en fr
  • GB455015A - Improvements relating to pressure reducing valves or regulators : en
  • ES4721U - Form of execution of carton packs and other similar materials. (Machine-translation by Google Translate, not legally binding) : en es
  • GB454977A - Improvements relating to fusible electric cutouts : en
  • ES143005A1 - IMPROVEMENTS IN DOUBLE ACTION LEVERS, ENSURING A SIMULTANEOUS CONTROL OF THE TENSION AND DEVIATION OF THE CHAIN IN THE SPEED CHANGES IN STAGED PINIONS : en es
  • GB454963A - Improvements in or relating to the manufacture of glues, pastes and like adhesives : en
  • GB455353A - Improvements in or relating to gas meters : en
  • US2057444A - Building construction : en
  • US2057009A - Visor structure : en
  • US2057205A - Combination bearing and sealing means for rotary pumps : en
  • DK52299C - Kneading and Forming Apparatus for Margarine and Similar Edible Fats. : da en
  • ES142592A1 - Coupling device for radiotelecommunications. : en es
  • DE636893C - Methods and devices for hardening glass panels : de en
  • ES143043A1 - A turbine for obtaining products in pieces and especially pieces of sugar. : en es
  • DE636794C - Change gear for bicycles : de en
  • US2057325A - Method and device for measuring thicknesses with penetrating rays : en
  • US2057490A - Regulating system : en
  • US2057507A - Floating mounting : en
  • US2057404A - Level : en
  • US2057583A - Flash lamp : en
  • US2057540A - Machine for molding candles : en
  • US2057023A - Manufacture of soles for shoes : en
  • US2057420A - Automatic mold protector for type casting machines : en
  • US2057551A - Cover for dental chairs : en
  • FR804099A - Model reproducing machine : en fr
  • CA361073A - Railway car coupler : en fr
  • GB454960A - Improvements in machines for cutting bars of ice cream or like material : en
  • GB455127A - Improvements relating to reflecting devices for electric lamps : en
  • FR804038A - Prize-giving skill game : en fr
  • US2057206A - Hygienic catamenial tampon : en
  • US2057643A - Multiple feed lubricator : en
  • DE636678C - Zipper : de en
  • FR804057A - Device for dividing and shaping pasty materials : en fr
  • GB455295A - Improvements in or relating to light-sensitive control apparatus : en
  • US2057073A - Change speed mechanism : en
  • US2057423A - Mechanism for veering the head lamps of automobiles : en
  • ES4828U - Device for cleaning interdental spaces with threads or threads, especially silk threads or threads. (Machine-translation by Google Translate, not legally binding) : en es
  • DE636859C - Sliding door roller with a sound-absorbing intermediate layer designed as a ring : de en
  • US2057600A - A coating composition : en
  • US2057375A - Knitted fabric and method for making the same : en
  • US2057573A - Duplicating device attachable to a lathe : en
  • GB455275A - Improvements in or relating to flexible couplings for transmitting rotary motion : en
  • CH186781A - Process for the production of masses containing lead silicate. : de en
  • US2057612A - Nozzle and miter pipe cutting machine : en
  • US2056963A - Carbon holder : en
  • US2057581A - Railway signaling system : en
  • US2057521A - Arc welding system : en
  • US2057066A - Means for balancing and strengthening of ocular muscles and developing fusion : en
  • CA361161A - Lead purifying process : en fr
  • CA361127A - Telephone number plate : en fr
  • DE636697C - Method and device for hardening glass : de en
  • GB455218A - Improvements in photographic exposure processes : en
  • GB455279A - Improvements in or relating to systems for the exchange of intelligence at carrier frequencies over a common medium : en
  • FR803998A - Motor vehicle door operating system : en fr
  • GB455210A - Improvements in or relating to vacuum cleaners : en
  • GB455204A - Improvements in and relating to electric circuit breakers : en
  • US2056939A - Apparatus for treating sheet material : en
  • US2057362A - Method of wadding cartridges : en
  • GB454997A - A speed-governing apparatus for injection internal combustion engines : en
  • ES143018A1 - A process for obtaining luminescent substance. : en es
  • US2057547A - Cutting device : en
  • CH186894A - Process for increasing the resistance of woods impregnated with vitriol to rot and attack by fungi. : de en
  • DE636541C - Power converter : de en
  • GB454976A - Improvements in and relating to the control of relays by means of electrical discharge tube circuits : en
  • USD101593S - Design fob a facial make-up beauty : en
  • DE636626C - Process for peeling off colorings with Kuepen dyes : de en
  • US2057364A - Fluid pressure motor : en
  • CH186951A - Device for the excitation of at least one luminescent tube in the vicinity of a high voltage conductor. : en fr
  • DE636834C - Device for recording the curves corresponding to the current and voltage course in electric power lines with the aid of a capacitor : de en
  • ES142875A1 - A procedure and its corresponding consubstantial apparatus for low voltage rolling. : en es
  • DE636461C - Contact banks, especially for flat bank voters in automatic telephone systems : de en
  • DE636615C - Impact mill : de en
  • US2057451A - Photographic developer : en
  • USD101581S - Design for a textile fabric or simi : en
  • US2057608A - Cord anchoring device : en
  • US2057635A - Nonrefillable attachment : en
  • DE636822C - Method and device for watering running webs of fabric : de en
  • GB455167A - Improvements in corsets : en
  • GB455274A - Production of fast tints on cellulosic fibres : en
  • US2057181A - Carpet sweeper housing and handle : en
  • DE636774C - Process for removing antimony from lead : de en
  • CH186883A - Process and device for the thermal extraction of magnesium. : de en
  • DE636835C - Device for overload protection of measuring devices : de en
  • US2057349A - Refractory : en
  • US2057421A - Electric cooker : en
  • CH186847A - Process for the production of an acidic wool dye of the anthraquinone series. : de en
  • CH186999A - Method of repairing nail holes and the like in bicycle, motorcycle and automobile tires and tools for carrying out this method. : de en
  • CA361141A - Bushing : en fr
  • US2056975A - Machine-gun and converter therefor : en
  • US2057322A - Front box fender : en
  • CA361078A - Sheet material laying apparatus : en fr
  • CA361199A - Wheel spoke securing method : en fr
  • AU2469735A - Improvements in forks for sheepshearing machine handpieces : en
  • US2057133A - Multistage pressure regulator : en
  • US2057285A - Nail-on counter flashing on concrete : en
  • CH186767A - Cash desk attachment as a security device against robbery. : de en
  • CA361136A - Indicator : en fr
  • CA361149A - Vibration damping structure : en fr
  • CH186929A - Process for the production of light metal pistons for internal combustion engines. : de en
  • ES141729A1 - Capacitor improvements. : en es
  • FR803993A - Quiet burner for gaseous fuels : en fr
  • GB455208A - Improvements in electro-dynamic loud speakers, microphones and the like sound reproducing and recording apparatus : en
  • CH186982A - Box with opening device for the lid. : de en
  • GB455010A - Improvements in or relating to gas burners : en
  • CA361181A - Strand material cleaning device : en fr
  • US2057180A - Carton : en
  • US2057301A - Combined lock and switch : en
  • NL39221C - device for taking X-ray images of short duration : en nl
  • US2056983A - Electrical insulator, terminator, bushing and the like : en
  • GB455155A - Improvements in and relating to squash rackets courts : en
  • US2057594A - Vacuum cleaner : en
  • CH187015A - Process for the preparation of a cyclic ketone. : de en
  • CH186986A - Mobile container with locking device. : de en
  • GB455294A - Improvements in or relating to vehicle windows : en
  • CH186823A - Laundry rammer. : de en
  • CH187027A - Device for airless fuel injection in internal combustion engines. : de en
  • CA361083A - Carbonaceous material distillation : en fr
  • US2057408A - Cooling element for refrigerating systems : en
  • US2057422A - Brake : en
  • CA361129A - Sound transmission system : en fr
  • US2057327A - Piston expander : en
  • CH187005A - Device to facilitate the flow of the yarn from balls of yarn when pulling it off for knitting, crocheting, etc. : de en
  • CH186778A - Air conditioning installation. : en fr
  • CH187016A - Process for the preparation of a cyclic ketone. : de en
  • US2057646A - Shelf edging : en
  • NL39179C - Ship provided with a thruster wheel, each vane of which, during the rotation of the wheel, oscillates back and forth about a separate center line, which is parallel or nearly parallel to the vertical or nearly vertical center line of the thruster wheel. : en nl
  • US2057286A - Feeding means : en
  • US2057564A - Fruit juice extractor : en
  • CH186893A - Wood preservatives. : de en
  • DE636662C - Device for the production of curved brake pads : de en
  • DE636628C - Arrangement for parallel operation between AC synchronous machines and inverters : de en
  • ES143042A3 - A process for the manufacture of tubular, woven and high mechanical resistance hoses. : en es
  • GB454961A - Improvements in and relating to the formation of dry or wet materials into nodules or porous masses : en
  • FR804098A - Advertising device : en fr
  • CA361156A - Screening apparatus : en fr
  • CH186859A - Printing device, method for its manufacture and machine for implementing this method. : en fr
  • DE636653C - Process for the preparation of o-oxyazo dyes : de en
  • GB455032A - Improvements relating to fuel injection systems for internal combustion engines : en
  • US2057384A - Relay circuit : en
  • CH186971A - Process for the generation of electrical vibrations and electrical vibration generators set up to carry out this process. : de en
  • CA361097A - Journal box dust guard : en fr
  • CH186888A - Hacksaw blade. : de en
  • US2056933A - Adjustable suspension means : en
  • US2057006A - Safetypin : en
  • US2057343A - Valve-lubricating device : en
  • DE636556C - Slip clutch : de en
  • DK52306C - Swivel and lockable bicycle handlebars. : da en
  • US2056976A - Production of glycols : en
  • CA361056A - Transmission coupling : en fr
  • CH187018A - Process for the preparation of an azo dye. : de en
  • ES142994A3 - Improvements in air pillows or cushions. : en es
  • FI17219A - Sätt att använda aluminiumlegeringar : en fi
  • GR6054B - HANDMADES OF WORKERS OR ARTISTS FOR THE PERFECT WASHING OF CARS. : el en
  • US2057074A - Method and apparatus for making cast metal articles : en
  • USD101519S - Design for a puree bowl : en
  • US2056944A - Coloring matters of the lead phthalocyanine series and their manufacture : en
  • US2057129A - Window post and guide construction : en
  • US2057141A - Production of filaments, threads, bands, ribbons and the like, from cellulose derivatives : en
  • US2057389A - Carburetor : en
  • US2057440A - Method of making seamless hollow handles for cutlery and the like : en
  • NL39305C - : en
  • US2057249A - Illuminated license plate holder : en
  • US2057493A - Razor : en
  • US2056961A - Machine for lacing shoe uppers : en
  • CH186919A - Single-acting two-stroke internal combustion engine with a closed crankcase. : de en
  • CH186773A - Installation allowing the emptying, in an unloading hopper, of the refuse contained in the receptacles, without release of dust. : en fr
  • CA361082A - Hood catch : en fr
  • US2057531A - Electric indicating system : en
  • CA361175A - Can making machine : en fr
  • DE636742C - Winding drum for band iron reels : de en
  • US2057649A - Auxiliary power device for tractors : en
  • CA361068A - Gas turbine : en fr
  • DE636674C - Device for lifting silo lids : de en
  • DE636897C - Locking device for pallet truck : de en
  • ES142996A1 - Process for the preparation of sugar derivatives 1,2-diamino, 4,5-dimethyl benzole. : en es
  • GB455093A - Improvements in pumps for concrete or the like : en
  • CH187013A - Process for the preparation of a cyclic ketone. : de en
  • CH186989A - Coupling device for trailers of motor vehicles. : de en
  • US2057559A - Multiple clutch device : en
  • US2057595A - Fishing appliance : en
  • CA361147A - Roller carrier dashpot : en fr
  • CH186850A - Process for the production of a black sulfur dye. : de en
  • CA361125A - Paper roll package : en fr
  • US2057348A - Refractory : en
  • US2057492A - Signal and control system for elevators : en
  • CA361112A - Electromotor : en fr
  • CH187022A - Process for the preparation of an azo dye. : de en
  • US2057117A - Process of making vanillin : en
  • CH186903A - Ball bearing. : en fr
  • CH186858A - Process for the deep attack of metals. : en fr
  • FR804162A - Fire starter : en fr
  • GB455153A - A new or improved register device for use in preparing matrices employed in casting stereotype printing plates : en
  • ES4523Y - Articulated toggle clamp, with spring, to attach general ornaments to dresses, and also to join or hold any parts of or for dresses therein : en es
  • US2057497A - Separating apparatus : en
  • CA361182A - Growth promoting cabinet : en fr
  • DE636891C - Process for the preparation of a Kuepen dye : de en
  • CA361180A - Steam boiler : en fr
  • FR804017A - Improvements to apparatus or instruments for remote transmission of angular movements : en fr
  • CH186973A - Television broadcast method. : de en
  • FR803902A - Automatic revolver charger : en fr
  • FR804193A - Morpholine manufacturing process : en fr
  • ES142091A1 - Procedure for the pressing of perforated billets, with narrowed bottom, for the manufacturing process of push tubes. : en es
  • FI17230A - Vikningsmaskin för brevark : en fi
  • CA361080A - Flashing assembly : en fr
  • GB455003A - Improvements in and relating to vacuum pumps : en
  • DE636670C - Shredding device for meat u. like : de en
  • US2057518A - Apparatus for bright annealing metallic products : en
  • CA361192A - Paving and canal lining machine : en fr
  • CH186760A - Device for regulating the depth of the coulters of sowing machines. : de en
  • CH186908A - Process for the production of an anti-corrosion coating on objects and a coating produced by the process. : de en
  • CH187030A - Dome head with guide horn for automatic railway couplings. : de en
  • GB455165A - Union nut for pipe and like joints : en
  • CH186785A - Sliding rail for doors and windows. : en it
  • FR803955A - New industrial tempered glass products and their manufacturing process : en fr
  • FR804073A - Improvements to air navigation devices : en fr
  • US2057370A - Motor support : en
  • CH186934A - Heat exchanger. : en fr
  • US2057209A - Method of making a hard faced cutter : en
  • CA361049A - Display stand, correspondence tray, etc. : en fr
  • CH186970A - Arrangement for generating very high gains on a frequency band. : de en
  • FR804054A - Steam or gas turbine locomotive : en fr
  • US2057524A - Wall construction for tunnels, shafts, and pipe : en
  • CH187010A - Process for the preparation of a cyclic ketone. : de en
  • ES143009A1 - SIGNAL ARRANGEMENT THROUGH DIRECTOR RAYS BY THE POLYTHONIC METHOD : en es
  • US2056935A - Vanity case : en
  • US2057014A - Gauge for nipple cutters : en
  • ES143030A3 - A manufacturing process for flexible couplings for gas masks. : en es
  • GB455161A - Improvements relating to wood and like sawing machines : en
  • FR803957A - Rolling door for hangars : en fr
  • US2057414A - Oil filtering element and process of making the same : en
  • USRE20132E - Adjustable window wing : en
  • US2057063A - Azo dyes and their production : en
  • US2057463A - Control system : en
  • FR803930A - Vise improvements : en fr
  • DE636911C - Group shift for four-speed transmission : de en
  • GB455108A - Improvements relating to apparatus for protecting polyphase alternating current electrical apparatus, and particularly polyphase electric motors : en
  • DE636663C - Lubricating gun with hand lever : de en
  • DE636924C - Flexible universal joint coupling, especially for motor vehicles : de en
  • DE636644C - Device for applying paint to a tape : de en
  • CA361132A - Amide preparation : en fr
  • FR803971A - Filtration method and apparatus : en fr
  • GB455142A - Improvements in filters : en
  • US2057321A - Tire gauge : en
  • USD101600S - Design for a dress : en
  • US2057250A - Combination sandwich holder and knife guide : en
  • US2057025A - Production of fertilizers : en
  • US2057368A - Copper alloys : en
  • DE636812C - Device for promoting the movement of liquids wetting glass in capillaries of thermometers : de en
  • FR803944A - Shoe brake : en fr
  • US2057242A - Process of making electric conductors : en
  • CH186814A - Machine used to prepare the webs resulting from the treatment of textile fibers with a view to their spinning, so that the foreign bodies carried by these webs can then be easily removed. : en fr
  • CH186904A - Device for damping the torsional vibrations of waves. : de en
  • US2057232A - Process of activating bleaching clays : en
  • US2057534A - Knee joint for artificial legs : en
  • US2057425A - Method of producing oil from low pressure wells by use of a plunger lift device : en
  • US2057580A - Method for working standard steel billets : en
  • US2057636A - Nonrefillable attachment : en
  • DE636889C - Device for the production of electrical tubular heating elements : de en
  • DE636675C - Dispensing valve with a protective gas antechamber closed on both sides by an inlet valve and an outlet valve : de en
  • US2057387A - Pressure responsive switch operator : en
  • DE636689C - Arrangement for adjusting the air gap of electromagnetic telephones, in particular capsule telephones : de en
  • DE636750C - Process for the continuous cleaning of sugar juices : de en
  • DE636622C - Double-walled transport vessel for fermentation fluids, e.g. B. Beer, with an outer shell made of wood and a thin-walled inner barrel made of metal : de en
  • US2057136A - Torque loading device : en
  • USD101551S - Design for a spectacle frame : en
  • US2057056A - Stocking : en
  • US2057543A - Remote controlling apparatus : en
  • GB455079A - Improvements in or relating to tumbler contacts for electrical switch mechanisms : en
  • GB455221A - Process of improving the baking strength of flour : en
  • FI17206A - Förfaringssätt for erhållande av kapilläraktiva medel för tvätt, rengöring, befuktning o.dyl. särskilt för textile textile industry : en fi
  • ES142711A1 - Control device by vibration. : en es
  • FR803991A - Cold enamel paint and processes for its manufacture : en fr
  • GB455046A - Improvements in and relating to the manufacture of saws, turning tools, and other edge tools, or sheets, strips or blanks therefor : en
  • ES4774U - Hermetic sealing system for all kinds of containers. (Machine-translation by Google Translate, not legally binding) : en es
  • FR804147A - Elastic support : en fr
  • DE636682C - Process for the production of oxygen-containing organic compounds, in particular lower alcohols such as methanol : de en
  • FR804085A - Safety candle : en fr
  • GB454984A - Improvements in and relating to hydraulically-controlled variable-speed torque-transmission apparatus : en
  • US2057588A - Securing trim material : en
  • ES142630A3 - IMPROVEMENTS IN THE OBTAINING OF COLORED PRODUCTS : en es
  • DE636710C - Method for starting power plants in which the operating medium is circulated and, after work, is compressed in an easily reversible engine by a compressor driven by a non-reversible engine (e.g. internal combustion engine), and device for carrying out the method : de en
  • DE636586C - Form cutter for partly parallel-walled and partly mushroom-shaped grooves : de en
  • DE636645C - Process for separating low-boiling gas mixtures : de en
  • ES4521Y - Body or frame for rotary moldboard plows. : en es
  • GB455168A - Exhaust silencer for internal combustion engines : en
  • GB455283A - Improvements in cooling means for wearing apparel and wrappers of fabric material : en
  • US2057045A - Garment support : en
  • US2057604A - Electrical switch contact : en
  • DE636693C - Multi-motor drive for work machines whose speeds are in a fixed relationship to one another : de en
  • ES4479Y - Mattress especially for sick beds. : en es
  • US2057019A - Process for dissolving cellulose xanthate : en
  • US2057412A - Apparatus for eye testing : en
  • US2057462A - Flashing assembly : en
  • CA361090A - Expulsion fuse : en fr
  • CH186789A - Solid fuel burner. : en fr
  • CH187009A - Process for the preparation of a cyclic ketone. : de en
  • ES143004A3 - A process of screening photographic negatives and positives formed of light-sensitive layers, whether of silver halogen or other analog. : en es
  • FI17203A - Bakery product cooker : en fi
  • DE636941C - Zipper : de en
  • FR804068A - Device for progressive adjustment of the dimensions of formwork fittings, trestles, etc. : en fr
  • FR804107A - Advanced operating mechanism for circular looms : en fr
  • FR804138A - Single resistance cordless heating clamp housed in the hinge pin : en fr
  • GB455179A - Apparatus for indicating the time in various countries or localities on the earth : en
  • GB455251A - Improvements in fountain pens : en
  • US2057162A - Mat : en
  • US2057329A - Tubular scaffolding : en
  • DE636833C - Single phase induction motor with magnetic shunt on the stator poles : de en
  • ES142962A1 - A circuit breaker system for excessive current. : en es
  • USD101583S - Design for a cover for a cigarette : en
  • USD101578S - Design for a cigar piercer : en
  • GB455110A - Improvements in or connected with stiffened air ducts : en
  • US2057049A - Preservation of foods and beverages : en
  • US2057318A - Internal combustion engine : en
  • DE636761C - Garbage incinerator : de en
  • US2057022A - Typewriter type cleaner : en
  • US2057347A - Beer barrel : en
  • US2057652A - Line casting and composing machine : en
  • GB454955A - Improvements in or relating to radio direction finding and directional receiving installations : en
  • US2057536A - Electric switch : en
  • US2056946A - Mower pitman bearing housing assembly : en
  • US2057173A - Conveyer system : en
  • ES143025A3 - A manufacturing procedure for gas masks. : en es
  • GB455241A - An improved device for mixing liquids in flow in proportionate quantities without stirring devices : en
  • US2056959A - Feed table for rolling mills : en
  • US2057251A - Vibration damping assembly and material : en
  • ES142963A2 - A CONNECTION TO STRENGTHEN AND TRANSFORM THE FREQUENCY OF ELECTRICAL OSCILLATIONS : en es
  • FR804025A - Multi-ignition igniter : en fr
  • US2057340A - Internal combustion engine : en
  • US2057313A - Textile machinery : en
  • US2057476A - Electrodeposition of rhodium : en
  • DE636283C - Process for the production of azo dyes : de en
  • DE636720C - Method and device for obtaining spinnable fibers from wood in the form of boards : de en
  • FR804161A - Aircraft bombardment trigger : en fr
  • GR6058B - GREEN BEER OR FIG BEER AND METHOD OF MAKING IT. : el en
  • DE636850C - Temperature regulator with a contact electrically controlled by an expansion fluid, an adjusting nut and a permanent magnet, in particular for a heating device in coolant lines for internal combustion engines : de en
  • DE636807C - Loom for the production of push-button fabrics : de en
  • CA361104A - Electrolytic iron deposit production : en fr
  • DE636516C - Device for regulating prime movers for driving generators working in parallel : de en
  • FR804062A - Security device to prevent automobile theft : en fr
  • US2057452A - Glass-to-metal seal : en
  • US2057482A - Friction gear : en
  • DE636698C - Production of plastic masses, films, foils, etc. like : de en
  • US2057110A - Shirt insert board : en
  • CH186928A - Injection device for internal combustion engines. : de en
  • CH186988A - Metal shutters for vehicle bridges, in particular for motor vehicles. : de en
  • ES4597Y - Device to facilitate the sale of an item of any kind. : en es
  • FR804136A - Improvement with varnishes or lacquers with metallic pigments : en fr
  • FR804178A - Device for coupling, with a telephone receiver, a microphone such as, in particular, that of an electroacoustic device for the deaf : en fr
  • GB455377A - Improvements relating to preventing the attack of solutions containing halides on iron and iron alloys : en
  • GB455176A - Improvements in and relating to dynamo electric machines : en
  • CH186939A - Electric switch. : en fr
  • DE636853C - Device for dividing flat goods made of sugar or confectionery mass : de en
  • FR804077A - Improvements to the hermetic closure of containers : en fr
  • FR803969A - Speed multiplier dynamos for electrical services of railway cars : en fr
  • ES142969A1 - Improvements introduced in the manufacture of welding and heating lamps : en es
  • ES143041A1 - A process for manufacturing viscose fiber from tubular filaments. : en es
  • GB455148A - Improvements in or relating to shoes, slippers and like footwear : en
  • GB455177A - Generators for the production of mixed steam and products of combustion : en