• CH189938A - Method for operating a steam engine with high-pressure steam and steam engine for carrying out this method. : de en
  • US2075044A - Heat exchanger : en
  • US2075600A - Valve : en
  • USD103898S - Design for an atomizer cap : en
  • USD103861S - Design foe a packing sheet : en
  • US2075775A - Filling-feeler for looms : en
  • US2075184A - Liquid cooler : en
  • US2075303A - Shedding mechanism for looms : en
  • US2075255A - Setting of rubber hydrochloride transparent sheets : en
  • US2075399A - Fluorescent material : en
  • CA365044A - Glass-to-metal seal : en fr
  • CH189858A - Cutting apparatus, in particular for cutting wallpaper. : de en
  • DE643247C - Device for debarking tree trunks or the like. : de en
  • US2075310A - Knife : en
  • US2075467A - Valve operating mechanism : en
  • US2075577A - Syringe : en
  • USD103908S - Design for an electric fan : en
  • US2075616A - Metal weather strip for mechanically balanced windows : en
  • US2075641A - Gaseous electric discharge device : en
  • GB463630A - Improvements in or relating to hydraulically operated means for driving intermittently moving apparatus : en
  • US2075056A - Meter : en
  • USD103801S - Design for a shoe ob similar article : en
  • CA365089A - Can testing machine : en fr
  • FR810997A - Trailer for airplanes and similar loads : en fr
  • CH189919A - Method and device for the production of sheet metal arches with changing radius of curvature and profile. : de en
  • CH189948A - Heat exchanger. : de en
  • US2075469A - Valve gear for steam and other engines : en
  • FR810996A - Improvement in centrifugal spreaders of road surfacing products : en fr
  • BE420085R - : fr
  • US2075272A - Air inlet for internal combustion engines : en
  • US2075355A - Discharge tube : en
  • DE643229C - Rail fastening by means of cross wedge bracing : de en
  • FR810828A - Rewinding device for endless films : en fr
  • GB463691A - Improvements in and relating to ammunition magazines for small arms, light automatic guns, or the like : en
  • DE643298C - Device for operating the throttle valve, engine clutch and braking of motor vehicles through a common foot lever : de en
  • FR810803A - Variable ratio transmission : en fr
  • GB463572A - Improvements in high tensile structural steels : en
  • CA365165A - Tillage implement : en fr
  • FR810875A - Deformable Electric Heating Pad-Bag for Permanent Hair Ripple : en fr
  • CA365141A - Elastic fluid turbine : en fr
  • CH190038A - Process for the production of an anthraquinone derivative. : de en
  • US2075491A - Dental x-ray film holder : en
  • US2075738A - Dynamic braking of induction motors : en
  • US2075322A - Rolling screen : en
  • US2075763A - Method of making same : en
  • FR810879A - Injector pump with torsionally susceptible pistons for combustion engines : en fr
  • FR810982A - Device comprising an electric discharge tube in a gas atmosphere : en fr
  • GB463794A - Improvements in the preservation of liquids : en
  • PL24630B1 - A piston for stamping round and oval flat and convex bottoms from sheet metal. : en pl
  • GB463351A - Improvements in steam desuperheaters : en
  • DE643178C - Hand grinder : de en
  • DE643204C - Protective device for railway and other catenary networks of high AC voltage against impermissible short-circuit stress : de en
  • PL24627B1 - Wind wheel. : en pl
  • CA365065A - Brake drum : en fr
  • US2075376A - Resinous composition : en
  • US2075109A - Preparation of acylated polyalkylene polyamines : en
  • US2075157A - Combined rolling pin and die : en
  • US2075171A - Process for desulphurizing hydrocarbons : en
  • US2075222A - Boiler : en
  • GB463634A - Improvements relating to internal combustion percussive tools : en
  • US2075745A - Bearing mounting : en
  • PL24591B1 - Device for locking the differential of a motor vehicle. : en pl
  • US2075338A - Building construction : en
  • GB463593A - Overhead-light : en
  • CH189868A - Process for producing a stable organic ferrous compound. : de en
  • USD103864S - Design for a plastic sheet ob similar : en
  • ES143432A1 - A closed magnetic circuit transformer and adjustable magnetic dispersion. : en es
  • FR810905A - Axial fixing device for metal tubes sliding telescope on top of each other : en fr
  • US2075085A - Motor vehicle : en
  • US2075195A - Railway car wall : en
  • US2075457A - Winding device : en
  • US2075282A - Bench saw : en
  • SU50734A1 - Mechanical ejector pusher from heating furnaces : en ru
  • US2075091A - Aluminum alloy : en
  • US2075417A - Carton : en
  • US2075732A - Sandblast apparatus : en
  • GB463612A - Improvements in and relating to windows, casements, and the like : en
  • USD103808S - Design for a slipper : en
  • CH190021A - Rack railway locomotive. : de en
  • USD103910S - Design fob a jab ob similar container : en
  • DE643110C - Punch card duplicator : de en
  • DE643089C - Machine for planing leather : de en
  • GB463504A - A depositing chamber for electric gas purification : en
  • FR810897A - Gasifier device, applicable in particular to road vehicles, making it possible to operate combustion engines using coal gas or charcoal : en fr
  • US2075782A - Antidripping device : en
  • US2075023A - Method of preparing wood for grinding : en
  • USD103850S - Design for a jewelry box : en
  • CA365047A - Incandescent projecting lamp : en fr
  • DE643146C - Process for introducing a carrier frequency into gas-filled photocells equipped with a positively biased auxiliary electrode : de en
  • FR810825A - Apparatus for detaching sections of a moving glass sheet : en fr
  • DE626897C - Electro-automatic target : de en
  • DE643153C - Device for the further treatment of the plaster from malt cleaning machines : de en
  • GB463567A - Improvements in the manufacture of films, foils, ribbons and like products : en
  • GB463692A - Improvements in and relating to electric discharge devices : en
  • US2075208A - Electron discharge device : en
  • USD103839S - Design fob a vacuum tank fob sur : en
  • DK52876C - Transformer with Sockets. : da en
  • GB463433A - Improvements in or relating to the manufacture of artificial resins : en
  • DE643180C - Method of making a flexible summer shoe : de en
  • US2075083A - Electronic control system : en
  • DE643051C - Process for the production of butyl alcohol and acetone by fermentation : de en
  • CH189906A - Device to be calculated. : en fr
  • GB463390A - Improvements in and relating to elastic fluid turbines : en
  • GB463544A - Improvements in or relating to the manufacture of products especially suitable for use as vermin destroying and insecticidal agents : en
  • GB463590A - A method of and apparatus for decorating the surfaces of articles : en
  • US2075657A - Collapsible merchandise displaying device : en
  • US2075723A - Insole for ski-boots : en
  • FR810970A - Improvements to welds between glass and metal : en fr
  • US2075606A - Gaseous discharge lamp apparatus : en
  • GB463343A - Motor-vehicle transmissions : en
  • DE643194C - Storage for sieve device : de en
  • PL24568B1 - Nut protection. : en pl
  • US2075012A - Apparatus for feeding biscuits or the like to ovens, pans, conveyers, or the like : en
  • FR810860A - Advanced extendable table : en fr
  • FR810904A - Improvement of joints for metal tubular constructions : en fr
  • FR810993A - New product intended for soundproofing and thermal insulation : en fr
  • DE643173C - Rotary servo motor : de en
  • DE643152C - Centerless grinding machine : de en
  • FR810872A - New heating clamp for permanent waves : en fr
  • US2075120A - Electronic apparatus : en
  • GB463580A - Improvements relating to slicing machines : en
  • GB463411A - Improvements relating to electrical circuit-breakers having arc-quenching arrangements : en
  • US2075351A - Electrolytic condenser : en
  • GB463505A - Improvements in and relating to recording and measuring instruments : en
  • DE643239C - Electric multi-motor drive in Leonard circuit for continuous conveyors : de en
  • GB463422A - Improvements relating to spectacle cases : en
  • GB463581A - Improvements in and relating to surgical bandages : en
  • US2075437A - Defrosting control for automatic refrigerators : en
  • GB463498A - A steel covering for light structures : en
  • GB463571A - Improvements relating to handles primarily for attachment to chains operating flushing cisterns : en
  • CH189820A - Reel for casting fishing. : en fr
  • CH189856A - Loom. : de en
  • CH189955A - Device for cooling the stator, which is provided with subdivided radial air slots, of self-ventilating electrical machines, in particular turbo generators, by means of a fan arranged on one side. : de en
  • US2075077A - Knitting machine : en
  • US2075730A - Support and lifting attachment for wheels : en
  • USD103916S - Design fob a multiple compartment : en
  • FR810789A - Process for the production of caustic soda : en fr
  • GB463693A - Improvements in or relating to lifting jacks : en
  • FR810787A - Double irreversible click : en fr
  • US2075506A - Drying apparatus : en
  • GB463525A - Hydraulic power transmission system specially applicable to brake mechanism : en
  • US2075300A - Filter : en
  • US2075773A - Building construction : en
  • US2075570A - Brush and method of making same : en
  • CA365028A - Windshield operating device : en fr
  • CH189910A - Dust cover for watch movement. : en fr
  • US2075503A - Reception of frequency modulated waves : en
  • CA365138A - Metal plate securing device : en fr
  • GB463366A - Improvements in or relating to kinematograph apparatus : en
  • GB463495A - Improvements in or relating to apparatus for feeding sheets of paper or other similar material : en
  • US2075585A - Vehicle and spring suspension therefor : en
  • DE643275C - Electric high-performance hotplate : de en
  • CA365144A - Weighing apparatus : en fr
  • CH189891A - Pen holder with blotting paper. : de en
  • CH190027A - Vehicle, especially for transoceanic express traffic. : de en
  • PL24569B1 - : en pl
  • US2075063A - Coat hanger : en
  • US2075544A - Cop doffing and tube donning mechanism for cop winding machines : en
  • BE420074A - : en
  • PL24598B1 - Differential. : en pl
  • US2075080A - Universally mountable container : en
  • US2075323A - Radiator cabinet : en
  • PL24557B1 - A method for the continuous distillation of crude oil and other hydrocarbons and an apparatus for carrying out the method. : en pl
  • ES143493A2 - IMPROVEMENTS MADE IN THE SCOPE OF THE MAIN PATENT NUMBER 143240 : en es
  • FR810756A - Hand polishing device : en fr
  • FR810790A - Improvements to reflector lighting fixtures : en fr
  • GB463599A - Improvements in and relating to superchargers for internal combustion engines : en
  • US2075567A - Steering mechanism for vehicles : en
  • US2075279A - Rack : en
  • US2075766A - Loose leaf binder : en
  • CH189949A - Antifreeze, in particular for cooling liquids for internal combustion engines. : de en
  • CH189878A - Method and machine for the production of match packs and pack produced by the method. : de en
  • FR810981A - Gas fireplace for surface combustion without flame : en fr
  • US2075626A - Hat stretcher : en
  • DE643251C - Rotary oven : de en
  • FR810847A - Detergent, materials derived therefrom and process for the preparation of these various substances : en fr
  • US2075476A - Machine for molding plastic substances : en
  • PL24617B1 - A method of achieving the short duration of the current for igniting electric detonators and a contact device in electricity generating machines. : en pl
  • US2075346A - Receptacle for closure by sealing cap : en
  • US2075356A - Liquid delivering apparatus : en
  • US2075112A - Vacuum tube circuit frequency changing : en
  • US2075285A - Echo recording apparatus : en
  • CA365105A - Sliding fastener stop applying machine : en fr
  • CA365066A - Separable fastener : en fr
  • CH189822A - Device for sealing joints in doors or windows. : en fr
  • SU50768A1 - Device for cleaning sediments from the inner surface of vertical pipes of multi-tube heat exchangers, for example, evaporators : en ru
  • CA365082A - Slicing machine device : en fr
  • CH189843A - Insert frame for seating furniture. : de en
  • CA365053A - Liquid medium for heat and pressure transfer : en fr
  • CA365158A - Traffic marker : en fr
  • GB463345A - Improvements in or relating to rotary filters : en
  • CH189912A - Watch box. : en fr
  • PL24558B1 - Device for attaching rails to wooden sleepers. : en pl
  • CA365067A - Braid elastic fabric : en fr
  • CA365101A - Fuse indicator : en fr
  • CH189859A - Suspenders. : de en
  • CH189928A - Device for regulating the pressure of fluids. : de en
  • US2075148A - Sealing device : en
  • PL24562B1 - Continuous burning oven. : en pl
  • USD103904S - Design for a door handle for refrig : en
  • FR810815A - Cyclone for separating dust from their drive air : en fr
  • CH189947A - Refrigerator and process for its manufacture. : de en
  • FR810888A - End cap for levers or joysticks : en fr
  • GR6405B - TOY MAGIC CASE. : el en
  • DE1403380U - : de en
  • DE643237C - Arc extinguishing device for expansion switch : de en
  • GB463587A - Improvements in and relating to illuminating bowls and the like : en
  • US2075252A - Modified halogen containing : en
  • US2075335A - Spar-tree strap and adjustable clamp-eye therefor : en
  • US2075676A - Store front construction : en
  • DE643273C - Device for monitoring the operation of grid-controlled rectifiers : de en
  • GB463434A - Improvements in or relating to the welding of magnesium and magnesium alloys : en
  • ES143436A1 - A procedure for obtaining diesel oils. : en es
  • US2075081A - Folding camera : en
  • US2075711A - Method and means for transporting logs : en
  • US2075755A - Fluid pumping device : en
  • USD103822S - Design for a perpetual desk calendar : en
  • US2075226A - Ventilating window : en
  • US2075221A - Smoke washer : en
  • US2075423A - Air turbine : en
  • US2075013A - Acylamino alkyl-aryl ethers and their sulphonation products : en
  • US2075422A - Telegraph system : en
  • US2075110A - Extensible steering wheel post : en
  • ES143488A1 - Improvements introduced in the engine-driven groups. : en es
  • DE643184C - Machine for attaching soles to shoes using glue : de en
  • ES143441A1 - Procedure for the registration of oscillations. : en es
  • GB463583A - Improvements in and relating to mechanism for winnowing disintegrated tobacco leaves : en
  • GB463623A - An improvement in or relating to innersoles for boots and shoes to make them very flexible : en
  • US2075141A - Cathode ray tube system : en
  • FR810841A - Mosaic-type parquet improvements : en fr
  • FR810870A - Electrical installation with permanent current relay : en fr
  • US2075344A - Contacting process and apparatus : en
  • DE643054C - Illuminated circuit diagram in connection with a command circuit : de en
  • GB463460A - Improvements in, or relating to, electrical switch-fuse combinations : en
  • US2075640A - Protection system : en
  • US2075006A - Easel spray : en
  • CH189942A - Centrifugal regulator, in particular applicable to the adjustment of the ignition advance in an internal combustion engine. : en fr
  • CH189816A - Cutter bars for mowers. : de en
  • US2075759A - Stop-motion device for sewing machines : en
  • US2075062A - Selective control and compensator unit for hydraulic brakes : en
  • US2075548A - Flush device : en
  • US2075118A - Speed transformer : en
  • USD103915S - Design for a hat form : en
  • DE643306C - Circuit arrangement for electromagnets : de en
  • DE643017C - Four-wire carrier frequency telecommunications cable system : de en
  • FR810859A - Gasket for bearing rails : en fr
  • GB463418A - Improvements in and relating to hydraulic motors, rotary engines, pumps, blowers and the like : en
  • ES142652A1 - A procedure for obtaining valuable condensation products. : en es
  • FR810838A - Improvements to calculating machines controlled by recordings : en fr
  • GB463508A - An improvement in braces : en
  • CA365073A - Nitrate recovery : en fr
  • US2075410A - Impregnated dielectric materials : en
  • US2075572A - Feeding mechanism for rock drills : en
  • US2075637A - Transforming die : en
  • US2075673A - Snow removal machine : en
  • US2075049A - Paper cup : en
  • FR810822A - Trolley particularly suitable for transporting loads in factories : en fr
  • US2075485A - Heating structure : en
  • US2075574A - Alignment maintenance for the rolls of rolling mills : en
  • FR810773A - In-flight variable-pitch aerial propeller control device : en fr
  • DE643304C - Switch with arc extinguishing by flowing compressed gas : de en
  • ES143435A1 - A procedure for obtaining a suitable fuel for the service of diesel engines. : en es
  • US2075178A - Dispensing device for sheet rubber deposited from an aqueous dispersion of rubber and the process of forming and using same : en
  • USD103880S - Design fob a washing machine dolly : en
  • US2075492A - Storage battery plate : en
  • DE643086C - Electromagnetically operated compressor : de en
  • US2075206A - Lighting fixture : en
  • GB463631A - Improvements in and relating to cut offs for cigarette making machines : en
  • ES143447A1 - Portable device for individual steam baths. : en es
  • US2075396A - Tuning apparatus : en
  • US2075304A - Jewelry construction : en
  • CH189904A - Tariff apparatus for determining, in particular, maximum excesses. : de en
  • CH189937A - Guide device for turbo machines, in particular for gas and steam turbines and axial compressors. : de en
  • GB463490A - Improvements relating to electric cooking apparatus : en
  • IE14238L - Mills for pepper, coffee, etc. : en
  • FR810990A - Improvements made to sliding or rotating operating devices, in particular electrical switches for motor vehicles : en fr
  • GB463380A - Improvements in or relating to adjustable spanners : en
  • US2075031A - Chuck device : en
  • DE643082C - Process for the production of new condensation products of the anthraquinone series : de en
  • USD103840S - Design fob a drip coffeepot or : en
  • US2075592A - Phonographic dictation machine : en
  • US2075302A - Metal severing tool : en
  • USD103874S - Design for an air conditioning : en
  • US2075204A - Hydration of olefines : en
  • PL24614B1 - Method of cracking hydrocarbon oils. : en pl
  • USD103813S - Design foe a fountain pen clip or : en
  • GB463521A - Improvements in or relating to machines for attaching buttons : en
  • GB463340A - Fluid-controlling valves : en
  • FR810964A - Safety device for gas appliances : en fr
  • GB463536A - Improvements in or relating to means for propelling ships and other vessels : en
  • GB463421A - Improvements in grooving devices : en
  • US2075501A - Radio receiving system : en
  • PL24528B1 - A method of obtaining fur with white-tipped hair. : en pl
  • US2075634A - Automatic telephone apparatus : en
  • GB463867A - Improvements in or relating to optical projection systems : en
  • GB463416A - Improvements in overtaking signalling devices for vehicles : en
  • DE643163C - Cathode ray tube for recording rapidly changing events with a rotating beam : de en
  • GB463360A - Printing device, especially for record card controlled machines : en
  • GB463431A - Improvements in or relating to visors, goggles and the like for use in working with metals subjected to the electric arc : en
  • GB463497A - Improvements in cycle stands : en
  • ES143459A1 - Improvements in rubber shredding machines. : en es
  • DE638850C - Harp with multiple retuning devices : de en
  • US2075135A - Awning construction : en
  • US2075372A - Game device : en
  • US2075709A - Selective protective device for electric lines : en
  • PL24539B1 - Device for pointing clichés of addressers. : en pl
  • DE643283C - Process for suppressing the moire effect during optical copying of lenticular films : de en
  • FR810856A - Metal grating : en fr
  • FR810932A - Operating device for a gear change mechanism of motor vehicles : en fr
  • US2075545A - Slicing machine : en
  • US2075599A - Conversion and coking of hydrocarbon oils : en
  • FR810834A - Device for recovering energy from waves generated by a moving ship : en fr
  • GB463690A - An improved down draught preventing chimney pot or ventilator : en
  • GR6407B - LOCKS AFTER KEY TO REFRIGERATED. : el en
  • DE643252C - Lighter with removable fuel tank in the lighter housing : de en
  • CA365133A - Key operable lock : en fr
  • USD103858S - Design for a knitted fabric : en
  • USD103844S - Design for a receptacle for bat : en
  • DE643168C - Thermostat with a contact thermometer that responds to changes in the volume of the heating fluid : de en
  • US2075494A - Ladder : en
  • US2075183A - Control for pressing machines : en
  • US2075247A - Fare box : en
  • US2075541A - Stoker furnace : en
  • US2075573A - Rock drill front end : en
  • GB463605A - Improvements in locks and latches : en
  • FR810760A - Automatic gear shifting device for motor vehicles and other applications : en fr
  • GB463491A - Improvements in spectacle frames : en
  • FR810770A - Improvements to remote control systems : en fr
  • USD103832S - Design for a clock casing : en
  • GB463619A - Improvements in electric switches with compressed-gas blow-out : en
  • US2075689A - Door panel assembly : en
  • FR810916A - Improvements to course towels : en fr
  • GB463516A - Improvements in the manufacture of refractory articles : en
  • GB463614A - A method of and apparatus for decorating the surfaces of articles : en
  • CA365013A - Compound metal body manufacture : en fr
  • CH189861A - Filter disc for milk filter. : de en
  • CH190020A - Process for manufacturing handlebars for bicycles. : en fr
  • US2075392A - Process of packaging straws and apparatus therefor : en
  • US2075291A - Transfer means for registering wrappers and bands : en
  • US2075523A - Scanning device : en
  • DE643061C - Bookkeeping machine : de en
  • FR810873A - Furnace for the distillation or coking of thin-film fuels : en fr
  • GB463610A - Improvements in or relating to the driving mechanism of sound film apparatus : en
  • FR810896A - Device for amplitude modulation : en fr
  • GB463464A - Improved manufacture of blood product : en
  • US2075348A - Device for sharpening and stropping cutting implements : en
  • FR810943A - Improvements to automatic firearms, in particular light guns for aircraft : en fr
  • CH189980A - Process for the preparation of androstandion- (3,17). : de en
  • US2075107A - Mixed esters and process for making the same : en
  • US2075622A - Extrusion press with electrically heated container : en
  • USD103888S - Design fob a bread box : en
  • DE643058C - Process for the preparation of o-aminoazo compounds : de en
  • FR810765A - Display mannequin and its manufacturing process : en fr
  • FR810863A - Steering device for toy cars and similar applications : en fr
  • DE643259C - Cylinder lock : de en
  • GB463457A - Improvements in or relating to devices for removing the lids of canisters or like containers : en
  • US2075268A - Solvent refining of lubricating oil : en
  • FR810830A - Electric furnace, especially applicable to die casting : en fr
  • GB463562A - Improvements in or relating to rolling mills : en
  • FR810994A - Reflection light meter for photography : en fr
  • GB463349A - Improvements in or relating to measuring valves for use with collapsible tubes : en
  • DE643192C - Electric switch : de en
  • GB463586A - An improved decorative panel and method of producing the same : en
  • US2075103A - Apparatus for converting continuous motioninto interrupted motion : en
  • USD103866S - Design for a receptacle for bat : en
  • FR810930A - Installation for the remote control of moving parts and for the transmission of position signals : en fr
  • GB463589A - A method of imparting decorative finishes to articles : en
  • FR810855A - Adsorption device for vapor recovery : en fr
  • USD103907S - Design for a cup : en
  • USD103807S - Design fob a slipper : en
  • DE643226C - Machine for the production of the end hems on tubular clothes bandages : de en
  • DE643308C - Zero printing device for cash registers, calculating or accounting machines : de en
  • GB463374A - Improvements in or relating to sheet-metal straightening machines : en
  • GB463535A - Improvements in means for mounting wooden airscrew blades : en
  • CH189890A - Device for making copies by means of photosensitive layers. : de en
  • CA365072A - Nitrate production : en fr
  • US2075289A - Burner control apparatus and system : en
  • BE419807A - Improvement in nutrient solutions intended for seed germination in soilless devices : en fr
  • US2075243A - Closure fastener : en
  • CA365057A - Centrifugal separator bowl : en fr
  • CA365147A - Rug making tool : en fr
  • PL24602B1 - A stove for heating the interior of houses. : en pl
  • US2075053A - Box feeding device for lidders : en
  • US2075162A - Rivet setting device : en
  • US2075177A - Fluid meter : en
  • USD103849S - Design for a receptacle for bat : en
  • US2075057A - Method of securing contact members : en
  • GB463606A - Improvements in or relating to gland-packing : en
  • DE1402637U - Shop window display stand : de en
  • DK52881C - Sealing device at Doors. : da en
  • PL24512B1 - The way of covering materials, especially sheets of regenerated cellulose, a protective layer. : en pl
  • US2075306A - Device for developing photographic prints : en
  • USD103895S - Design fob a lace tablecloth : en
  • CA365018A - Sour hydrocarbon oil sweetening process : en fr
  • CA365146A - Glaziers' strip : en fr
  • FR810759A - Electric pocket lighter : en fr
  • FR810925A - Elastic suspension for vehicles : en fr
  • GB463591A - Improvements in electric cable systems : en
  • FR810867A - Universal dish washer : en fr
  • US2075305A - Diaphragm controlled switch : en
  • US2075753A - Safety device for motion picture machines : en
  • CH189985A - Inhaler. : en fr
  • FR810934A - Spinning or twisting spindle with lubricating device : en fr
  • CA365021A - Sky sign : en fr
  • CA365097A - Microporous rubber : en fr
  • CH189920A - Apparatus for cutting and closing cans. : de en
  • CH190029A - Shaving brush. : de en
  • US2075088A - Means for silencing gaseous currents : en
  • CH189935A - Rotary lobe compressors. : de en
  • USD103835S - Design foe a curtain display rack : en
  • DE643083C - Process for the production of Kuepen dyes : de en
  • AU100433B2 - Improvements relating to railway track circuit apparatus : en
  • CA365038A - Incandescent lamp : en fr
  • DE643096C - Wedge connection between a forked link and a second link to be inserted between the fork legs : de en
  • CA365055A - Hydraulic pressure fluid : en fr
  • CA365016A - Load-shifting device for land vehicles : en fr
  • CA365030A - Rotary strainer : en fr
  • CH189841A - Arrangement of electrically heated boiling kettles in which the inner kettle containing the food is surrounded by a steam bath. : de en
  • CH190009A - Preselection gear change mechanism. : en fr
  • GB463511A - An improved process for coating pure and alloyed light metals with a firmly adhering protection against corrosion : en
  • US2075218A - Device for removing undesirable frequencies from electric circuits : en
  • CA365113A - Hydraulic grinding machine : en fr
  • DE643215C - Device for conveying cardboard and similar goods through a dryer : de en
  • GB463538A - Improvements in or relating to catering hot plates : en
  • US2075536A - Call transmitter : en
  • USD103914S - Design for a combined wrench stand : en
  • CA365110A - Ice cream freezer system : en fr
  • US2075596A - Safety clamp for holding panes of glass of showcases and the like : en
  • CH189908A - Method and device for recording sound or images. : de en
  • CA365039A - Electric switch : en fr
  • US2075260A - Laundry cart : en
  • US2075329A - Saw : en
  • US2075477A - Glass closure for metal containers and method of making it : en
  • US2075529A - Juvenile book : en
  • PL24594B1 - A method of making ceramic plates, pots and similar thin-walled and glazed objects from clay in enamel kilns. : en pl
  • US2075446A - Colored glass article and method and means for making it : en
  • US2075581A - Apparatus for snow removal : en
  • US2075777A - Tire carcass cord and manufacture of same : en
  • FR810890A - Process for treating tars and mineral oils containing paraffin : en fr
  • CH189842A - Duvet. : de en
  • CA365070A - Coke oven battery : en fr
  • CH189832A - Press for making pipes, in particular from cement. : de en
  • US2075017A - Pump and method of silencing and operating pumps : en
  • CH189901A - Building construction for shelters. : de en
  • GB463565A - Coin-operated time controlling mechanism for use in connection with the supply of gas, electricity and other commodities : en
  • PL24533B1 - Cigarette holder with smoke purge. : en pl
  • CH189993A - Intermediate frequency heterodyne receiving circuit with automatic tuning correction. : de en
  • PL24626B1 - The method of producing magnesium hydroxide and ammonium salts. : en pl
  • CH189940A - Wall with nozzle-like passage channels. : de en
  • US2075646A - Method of making a record mold : en
  • US2075747A - Dry placer machine : en
  • GB463613A - Improvements in and relating to safety devices for stamping machines, presses and the like : en
  • US2075470A - Toy cinematograph and sound apparatus : en
  • US2075481A - Coupling : en
  • CA365063A - Larding needle : en fr
  • CA365012A - Steam heating plant : en fr
  • CA365080A - Oil dewaxing process : en fr
  • CA365127A - Engine mounting : en fr
  • CA365041A - Signal lamp : en fr
  • DE643214C - Storage of two oscillating rotary movements against each other : de en
  • USD103798S - Design for a combination desk unit : en
  • CA365162A - Harvesting apparatus : en fr
  • FR810901A - Horse set with cam motion transmission : en fr
  • GB463621A - Improvements in reflectors for vehicle and like lamps : en
  • US2075151A - Process of forming wax and product therefrom : en
  • GB463689A - Improvements in control valves for compressed air brakes : en
  • PL24605B1 - The method of making silage from green fodder. : en pl
  • US2075380A - Means for modulating high frequency currents : en
  • FR810884A - Method and apparatus for cutting continuous fiber : en fr
  • FR810958A - Improvements to detergents : en fr
  • US2075320A - Knock-down stand for display trays : en
  • US2075480A - Patterned materials produced particularly by printing : en
  • US2075578A - Typewriting machine : en
  • US2075675A - Nut : en
  • USD103804S - Design for a slipper : en
  • CA365122A - Storage bin for refrigerator cabinets : en fr
  • CH189998A - Packaging. : en fr
  • GB463602A - Process for the destructive hydrogenation of solid carbonaceous materials : en
  • FR810894A - Process for applying wallpapers and glue for the application of this process : en fr
  • FR810959A - Process for refining lead containing bismuth : en fr
  • GB463617A - Improvements in or connected with the delivery mechanism of platen printing presses : en
  • CA365137A - Cartridge case manufacture : en fr
  • GB463685A - Improvements in recovery of sulphur : en
  • US2075514A - Wall construction : en
  • FR810972A - Harvester-binder : en fr
  • GB463566A - Improvements in or relating to sleeve-valve two-stroke internal combustion engines, operated in conjunction with exhaustdriven turbo-blowers : en
  • FR810852A - Scraper conveyor for mine lanes : en fr
  • US2075366A - Game board : en
  • USD103836S - Design for a clock case : en
  • GB463494A - Improvements in and relating to vibrators, more particularly for the vibration of concrete : en
  • US2075630A - Multiple check signer : en
  • US2075068A - Illuminating means for indicating instruments : en
  • US2075069A - Steam engine : en
  • US2075170A - Housing for cut-out switches : en
  • US2075701A - Detector : en
  • US2075776A - Container : en
  • US2075500A - Sweatproof burial vault : en
  • FR810971A - Auto pressure regulation and flow variation of a revolver pump : en fr
  • FR810768A - Advanced gum cutting machine and rolling mill for use in the rubber industry : en fr
  • GB463482A - Improvements in or relating to collapsible cartons, boxes and the like : en
  • US2075147A - Automatic burglar alarm : en
  • US2075768A - Fiber composition and method of making the same : en
  • US2075230A - Production of siccatives : en
  • US2075561A - Rotary engine : en
  • GB463638A - Improvements in or relating to means for opening and closing doors : en
  • DE643309C - Resilient elastic joint : de en
  • DE641921C - Moving grate made of alternating, in its longitudinal direction, resting and obliquely backwards and forwards moving partial grids : de en
  • GB463452A - Improvements in or relating to spring buffers for ships' steering gear and other purposes : en
  • US2075038A - Method and apparatus for manufacturing aerating blocks for sewage disposal filter beds : en
  • US2075048A - Photographic emulsion containing supersensitized carbocyanines : en
  • PL24540B1 - Device for multi-colored impressions. : en pl
  • USD103812S - Design for a fountain pen clip ob : en
  • USD103889S - Design for a band for a hat : en
  • USD103811S - Design fob a vehicle : en
  • FR810820A - Process for manufacturing knitted or crocheted articles and products obtained by this process : en fr
  • PL24530B1 - Method for the production of zinc oxide. : en pl
  • US2075441A - Cemetery urn : en
  • US2075678A - Transferring combustible liquefied gases : en
  • FR810871A - Process for the production of low phosphorus thomas steel : en fr
  • GB463357A - Improvements in or relating to the manufacture of electric contacts : en
  • GR6408B - PERFECTIONS ON ADVERTISING BY LIGHT AND NON-REFLECTIVE SIGNS. : el en
  • GR6402B - PERFECTION OF THE PYROGENIC METHOD OF BOCKSITE TREATMENT THROUGH THE USE OF SODIUM SULATE. : el en
  • CA365010A - Wheel brake apparatus : en fr
  • CA365086A - Ophthalmic mounting : en fr
  • US2075588A - Mirror and picture frame : en
  • USD103869S - Design for a display stand or simi : en
  • GB463461A - Improvements in or relating to filters for purifying liquids or gases : en
  • US2075005A - Copper-silicon-zinc-lead alloy : en
  • DE643151C - Device for starting and overcoming large suction heights on portable pumps for fire extinguishing and similar purposes : de en
  • FR810881A - Tube assembly without threads : en fr
  • GB463341A - Improvements in or relating to the preparation of protocatechuic aldehyde from heliotropine : en
  • GB463463A - Ignition interrupter : en
  • FR810924A - Monetary trigger mechanism : en fr
  • US2075264A - Spark arrester and silencer : en
  • US2075684A - Excised photographic plate system of composite motion-picture photography : en
  • DE1402964U - : de
  • ES143431A1 - Improvements in the manufacture of incandescent electric lamps with air vacuum and tungsten filament in the form of a propeller. : en es
  • FR810889A - Electrically lit fishing gear : en fr
  • FR810944A - Burner for coal dust and oil fireplaces and the like : en fr
  • GB463454A - Improvements in electric signs : en
  • USD103816S - Design for a fountain pen clip or : en
  • FR810966A - Heater for liquids heated by gas and incorporating safety devices for ignition and against lack of liquid : en fr
  • GB463554A - Improvements in or relating to rear-wheel supports for motor vehicles : en
  • GB463524A - Packing device for eggs and other fragile objects : en
  • GB463723A - Improvements in or relating to the transmission of power by co-operating hydraulic and mechanical gears : en
  • FR810926A - Food product from a cereal and its manufacturing process : en fr
  • US2075215A - Sewer cleaning apparatus : en
  • US2075465A - Container : en
  • US2075687A - Apparatus for developing photographic films : en
  • USD103883S - Design for a tire pressure indicator : en
  • PL24629B1 - Metalworking tool with a special ITH blade. : en pl
  • US2075505A - Mining and loading system : en
  • US2075093A - Device for packing concrete and the like : en
  • US2075478A - Skeleton jar closure : en
  • US2075560A - Building construction : en
  • US2075725A - Writing instrument : en
  • US2075244A - Process for solidifying earth : en
  • US2075681A - Dental cleaning and massage device : en
  • USD103820S - Design for a terminal link for a : en
  • US2075554A - Meat slicer : en
  • USD103909S - Design fob an ensemble dress : en
  • GB463475A - Improvements in means for impregnating cartons or like articles with wax or the like : en
  • DE643220C - Process for the production of vinyl ethers : de en
  • GB463376A - Beer dispensing apparatus : en
  • DE635553C - Securing for screw connections in the form of toothed, toothed, serrated or fanned washers : de en
  • FR810868A - Improvements to knitwear and knitted articles and their manufacturing process : en fr
  • CA365106A - Magnetic interrupter : en fr
  • CH189988A - Throwing in at self-sellers for coins of different values. : de en
  • US2075405A - Pouring display means for contained liquids : en
  • US2075726A - Method of heating safety glass assemblies : en
  • FR810983A - Process improvements for the production of high molecular weight alcohols : en fr
  • GB463506A - Improvements in electric signs, notices or the like : en
  • CH189972A - Feeding device to burners of lamps, cookers or soldering devices operated with liquid fuel, to which the fuel is fed from a container arranged separately from the burner. : de en
  • FR810942A - Improvements in the means of protecting inhabited premises against harmful gases contained in the outside atmosphere : en fr
  • DE643155C - Fabric tensioning and drying machine : de en
  • PL24624B1 - Air-hydraulic device for driving moving parts of motor vehicles, especially airplanes. : en pl
  • FR810778A - Tamper-evident closure, in particular for metal cans : en fr
  • US2075152A - Football game : en
  • DE643091C - Electric totalizer : de en
  • US2075296A - Bottle-capping machine : en
  • CH189834A - Combination lock. : en fr
  • US2075720A - Appliance for tensioning and fastening bale ties : en
  • USD103829S - Design fob a receptacle for ciga : en
  • US2075191A - Method of producing colored photographs : en
  • CH189930A - Apparatus for lifting the axles of a motor vehicle comprising a device for the rear axle and a device for the front axle. : en fr
  • US2075128A - Standing wave oscillating system : en
  • US2075337A - Ash and soot trap : en
  • BE419987A - : en fr
  • CH189875A - Process for the production of copper phthalocyanine. : de en
  • GB463489A - Improvements in or relating to rotary internal combustion engines : en
  • US2075450A - Extruding machine : en
  • US2075741A - Crankshaft : en
  • GB463410A - Arrangements for supplying current to thermionic valve amplifiers from commercial supply mains : en
  • US2075374A - Saddle float : en
  • GB463573A - Improvements in or relating to means for controlling the gas supply to burners adapted for electro-catalytic ignition : en
  • US2075530A - Warning speed indicator : en
  • FR810869A - Method for examining the walls of rivet holes, bolt holes and the like : en fr
  • US2075105A - Regulating system : en
  • US2075693A - Wood preserving and fireproofing composition : en
  • DE643277C - Process for dewaxing hydrocarbon oils : de en
  • GB463635A - Improvements in or relating to knitting machines : en
  • DE643250C - Method and device for producing air-cushion covers from two rubber sheets : de en
  • DE643280C - Locking device for a slide that can be moved along two guides : de en
  • DE643127C - Method for drying veneers to be glued : de en
  • DK52890C - Sunshade for Strollers. : da en
  • US2075166A - Bag : en
  • US2075576A - Lubricator : en
  • DE643246C - Protective device on long-cut circular saws : de en
  • DE635841C - Calendar block, the pages of which are attached to a surface by wire stitching : de en
  • FR810782A - Improvements to devices comprising an electromagnet actuating a mobile pallet : en fr
  • FR810806A - Improvements to vehicle tracks : en fr
  • US2075556A - Artificial teeth : en
  • US2075729A - Percussive spinning toy : en
  • US2075388A - Heat insulating metal body : en
  • DE643150C - Quick connection for pipes : de en
  • GB463368A - Aggregate of single-anode ionic valves : en
  • US2075186A - Metal flowerpot and method of decorating same : en
  • DE643193C - Electrically conductive varnish : de en
  • GB463375A - Improvements in or relating to balance spring arrangements for clockwork mechanisms : en
  • GB463560A - Improved light-sensitive photographic material : en
  • PL24588B1 - Electric burglary alarm device. : en pl
  • CH190048A - Adjustable guide block for long workpieces to be processed on woodworking machines. : de en
  • US2075704A - Firearm : en
  • BE419922A - : en
  • CA365157A - Photographic printing machine : en fr
  • DE643271C - Electric planing machine drive by a pole-changing motor for forward, reverse and reverse movement : de en
  • DK52895C - Self-marking Shooting target. : da en
  • GB463487A - A portable projector for opaque pictures : en
  • CA365087A - Carbonaceous electrode element processing : en fr
  • CA365121A - Warning signal : en fr
  • CA365142A - Dry cleaning machine : en fr
  • US2075040A - Protective device for automobiles : en
  • USD103900S - Design fob a textile fabric : en
  • AU107062B2 - Anew or improved lighting device for gas cookers : en
  • US2075114A - Annealing box : en
  • US2075632A - Plug electric switch : en
  • US2075270A - Egg breaking and separating apparatus and process : en
  • US2075579A - Operating mechanism for motor vehicle clutches and the like : en
  • CA365083A - Fishing reel : en fr
  • CA365064A - Electrolytic iron and alloy manufacture : en fr
  • US2075087A - Airplane provided with an automatic firearm : en
  • US2075369A - Marble refacing machine : en
  • US2075479A - Skeleton jar closure : en
  • USD103819S - Design fob a brush : en
  • CH190012A - Power transmission device with epicyclic gear and electric machine. : de en
  • PL24522B1 - A method for leaching sludge from waste water and an apparatus for carrying out the method. : en pl
  • CH189815A - Cutter bars for mowers. : de en
  • CA365029A - Ore flotation frother : en fr
  • US2075092A - Coin controlled postage affixing device for letters : en
  • US2075240A - Speed change mechanism for screw machines : en
  • BE419789A - : en fr
  • CH189877A - Process for the production of light soap using sulphite cellulose waste liquor. : de en
  • CH189954A - Magnetic frame for small machines, in particular for wheel light machines. : de en
  • CH189846A - Metal vessel with at least one heat-insulated handle, in particular for cooking and serving purposes and a method for its production. : de en
  • DK52875C - Tumbler switch. : da en
  • DK52878C - Procedure and Remedy for Permanent Waving of Hair. : da en
  • US2075438A - Refrigerating apparatus : en
  • US2075456A - Compounds of the dibenzanthrone series : en
  • DE643270C - Remote monitoring and remote actuation device for the load distribution in electrical power plants : de en
  • FR810947A - Dispenser, at constant dose, of oil for two-stroke engines, or of super-lubricant for four-stroke engines : en fr
  • GB463633A - Improvements in or relating to the treatment of absorbent fibrous material : en
  • AU245236A - Improvements relating to railway track circuit apparatus : en
  • PL24608B1 - A device that allows you to drink or eat liquid food while wearing a gas mask. : en pl
  • CH189848A - Dispensing device with a serving vessel made of glass, in particular for fruit juice. : de en
  • DE643162C - Overcurrent switch : de en
  • FR810753A - Pitch correction device for machine tools, threading lathes or others : en fr
  • GB463382A - Improvements in and relating to continuous rolling mills : en
  • US2075146A - Metallic roentgen tube with revolving anticathode : en
  • US2075647A - Controlling apparatus for refrigerating systems : en
  • US2075382A - Container : en
  • FR810914A - Capacitor made up of partial capacitors arranged in receptacles : en fr
  • CH189857A - Hemstitch. : de en
  • CH190000A - Device comprising a covered part for the display and preservation of foodstuffs. : en fr
  • GB463492A - Improvements in self administering air and gas apparatus : en
  • US2075313A - Production of halogenated ethers : en
  • USRE20317E - Nonlinear circuit : en
  • CH190022A - Braking device, in particular for rail and road vehicles. : de en
  • US2075082A - Cotter device : en
  • US2075100A - Dehydrogenation of aliphatic ethers : en
  • DE643236C - AC switch : de en
  • DE643097C - wheelbarrow : de en
  • DE643179C - Additional device for grinding machines : de en
  • US2075428A - Pump : en
  • US2075507A - Method and means for the production of nonmetallic printing plates : en
  • GB463582A - Improvements in or relating to the preparation of felts of glass and like materials : en
  • GB463546A - Improvements in or relating to motion picture projectors embodying sound units : en
  • FR810795A - Compressed gas intake device on an internal combustion engine : en fr
  • FR810802A - Shut-off, dispensing or orientation device for gases, liquids, vapors or the like : en fr
  • FR810874A - Electrical switch connection : en fr
  • GB463568A - Improvements relating to the actuation of controllers for electric motors : en
  • CH189870A - Process for the production of l-threose. : de en
  • FR810864A - Device for giving a great acceleration to the armature of the moving field motors used to control the shuttles of the weaving looms : en fr
  • US2075402A - Pile fabric loom : en
  • US2075610A - Stocking : en
  • US2075666A - Control system : en
  • CH189824A - Holding clamp for the side-form boards when concreting wall coverings. : de en
  • CH189984A - Process for the preparation of N-diethylaminoethyl-5-amino-m-phenanthroline. : de en
  • GB463364A - Power system for combined gathering and loading machines : en
  • DE643217C - Central shutter for photographic lenses : de en
  • GB463424A - Improvements in display devices : en
  • US2075484A - Top roll saddle : en
  • GB463499A - Improvements in cover glasses for signalling and floodlighting projectors : en
  • CA365107A - Interrupter mounting : en fr
  • US2075126A - Apparatus for the measured dispensing of liquids : en
  • FR810902A - Improvements to devices comprising luminous electric discharge tubes : en fr
  • CA365071A - Hollow metal bar : en fr
  • FR810751A - Device for enlarging and projecting photographic images : en fr
  • USD103918S - Design for a table mat or similar : en
  • CH189956A - Device for through ventilation of electrical machines in a common housing. : de en
  • FR810827A - Board game of the genre called : en fr
  • US2075276A - Protein and urea resin molding composition and process of making same : en
  • USD103806S - Design fob a slipper : en
  • US2075340A - Condensation products and process : en
  • US2075089A - Aluminum alloy : en
  • US2075201A - Line spacing machine : en
  • US2075464A - Combination automobile heater and windshield defroster : en
  • GB463373A - Improvements in conduits for housing and screening electric ignition leads of internal combustion engines : en
  • CA365117A - Lubricating oil improving process : en fr
  • FR810812A - Method and apparatus for obtaining motion picture films and cartoons : en fr
  • GB463352A - Improvements in end couplings for metal-lined rubber hose : en
  • FR810893A - Control for bells, post pullers, sounding or drilling apparatus and similar devices : en fr
  • DE643274C - Control device for electric ship propulsion : de en
  • DE643254C - Procedure for the harmless transport of bulk goods : de en
  • FR810980A - Incandescent cathode with acceleration screen for electron ray tubes, especially for television, sound recording and measurements : en fr
  • FR810880A - Lubricating oil collector device for connecting rod bearings and crank rods for combustion engines : en fr
  • GB463387A - An improved filter pad : en
  • ES143457A1 - Typewriter tape, with an ink deposit area. : en es
  • GB463577A - Improvements in or relating to cigarette making machines : en
  • FR810784A - Gearbox arrangement for motorcycles and similar vehicles : en fr
  • FR810920A - Improvements to the insulation of electric coils : en fr
  • FR810783A - Improvements to hydraulic motion transmission devices : en fr
  • GB463470A - Improvements in address printing stencils : en
  • DK52882C - Scaffolding supports. : da en
  • FR810754A - Process and devices for the neutralization and purification of waste water from beet distilleries : en fr
  • GB463423A - Improvements in and relating to typographical slug casting machines : en
  • DE643287C - Circuit arrangement for a photocell filled with noble gas : de en
  • DE643292C - Winch with slack rope drive : de en
  • CA365161A - Engine combustion chamber : en fr
  • CH189977A - Sanitary napkin. : de en
  • FR810798A - Apparatus for storing liquids and distributing them at different temperatures : en fr
  • US2075072A - Spring terminal clip : en
  • US2075404A - Transmission gearing : en
  • DE643130C - Canning vessel : de en
  • DE643213C - Safety chain for collar buttons : de en
  • FR810931A - Mains filter : en fr
  • US2075194A - Hairpin : en
  • CH190050A - Permanent magnet and method of manufacturing this magnet. : en fr
  • FR810927A - Method for transmitting images : en fr
  • GB463444A - Improved method for depositing catalyst metals on metallic supports for effecting catalytic hydrogenation : en
  • GB463455A - Improvements in mountings for swingable and slidable doors of showcases, bookcases and the like : en
  • GR6394B - METHOD OF MAKING TILES TO COVER ATTICA AND GENERATORS OF OPTICBLICKERS. : el en
  • US2075121A - Resistance welding apparatus : en
  • USD103893S - Design for a dress : en
  • GB463564A - Improvements in or relating to packing devices for rotary shafts or axles : en
  • CA365032A - Heating system : en fr
  • CH189981A - Process for the preparation of a disazo compound useful in medicine. : de en
  • CA365027A - Stapling device : en fr
  • CA365051A - Camera exposure control : en fr
  • CH190005A - Transport object, in particular transport container. : de en
  • US2075015A - Automatic chain lock : en
  • DE643164C - Process for the preparation of anthraquinone dyes : de en
  • FR810823A - Control unit for the lifting mechanism of wing spinners, twists and others : en fr
  • GB463639A - Improvements in or relating to lifting jacks : en
  • GR6399B - EC RUBBER WATER MANUFACTURING SYSTEM. : el en
  • US2075125A - Beacon system : en
  • US2075740A - Duplex valve : en
  • CA365020A - Precious metal ore flotation process : en fr
  • CH190045A - Process for the preparation of a nitro dye. : de en
  • US2075073A - Electric cable : en
  • US2075311A - Sugar beet harvester : en
  • US2075454A - Electric signaling system : en
  • US2075368A - Means for heating rooms : en
  • CA365129A - Carpet sweeper comb : en fr
  • CH189986A - Booking engine. : de en
  • US2075014A - Copper silicon alloys : en
  • CH189968A - Switching device for rectifiers with delayed activation of the anode circuit. : de en
  • CH189817A - Plant protection procedures. : de en
  • US2075158A - Fuel distributor : en
  • CA365074A - Hydrocarbon oil processing : en fr
  • CA365045A - Evacuated device manufacture : en fr
  • CH189950A - Separator for accumulators. : de en
  • DE643059C - Process for the preparation of o-aminoazo dyes : de en
  • US2075188A - Flashing gaseous discharge lamp : en
  • CA365093A - Cementitious material : en fr
  • PL24563B1 - Plate and busbar for electric lug batteries. : en pl
  • CA365009A - Electrical distribution system : en fr
  • CH189931A - Hydraulic yoke press. : de en
  • CH189888A - Rangefinder combined with a viewfinder for photographic and cinematographic recording devices. : de en
  • GB463447A - Multiple draft drawing frame for jute, flax, hemp, sisal and the like fibres : en
  • GB463456A - Improvements in the manufacture and production of compounds of the azaphenanthrene series : en
  • DE643157C - Device for the electrolytic production of caustic alkaline solutions : de en
  • FR810777A - Tamper-evident closure device, in particular for metal cans : en fr
  • GB463534A - Rotary hook and thread case devices for sewing machines : en
  • GR6395B - AUTOMATIC FOOD DISTRIBUTOR. : el en
  • CH189865A - Meat carving machine. : de en
  • PL24620B1 - The way of making inscriptions, drawings, patterns, etc. on the surfaces of aluminum and its alloys. : en pl
  • US2075433A - Fire box : en
  • US2075413A - Body brush : en
  • PL24515B1 - Method of degumming of weaving fibers. : en pl
  • US2075130A - Clutch : en
  • US2075559A - Plate clamp : en
  • DE643087C - Process for tanning animal hides and skins : de en
  • DE643140C - Bobbin wrapping device : de en
  • DE643195C - Range finder coupled to the lens for photographic or cinematographic apparatus : de en
  • CH189973A - Device for the automatic pushing of the coals on electric arc lamps of photo projection apparatus. : de en
  • CH190035A - Process for the production of a new azo dye. : de en
  • CH190053A - Process for the preparation of a pyridylethylbarbituric acid. : de en
  • CH189896A - Living room football game. : en fr
  • US2075496A - Photographic recording and reproduction of sound : en
  • US2075645A - Sealed bearing : en
  • CH189835A - Tape for windows and doors. : de en
  • US2075367A - Light projector : en
  • PL24573B1 - A method for producing stereoisomeric alcohols. : en pl
  • CH189936A - Centrifugal pump for pumping liquid manure, sludge water and the like. : de en
  • USD103868S - Design for macaroni or similar : en
  • US2075265A - Sound attenuating device : en
  • US2075663A - Process for producing chicory beans : en
  • US2075733A - Resistance and impedance elements for electric circuits : en
  • US2075161A - Heating unit : en
  • USD103796S - Design fob a casing fob fluid filters : en
  • US2075584A - Quick changeable automobile wheel : en
  • USD103878S - Design for a dress : en
  • CA365134A - Key operable lock : en fr
  • CH190004A - Pack with tear-off device for stick-shaped objects, in particular pillars. : de en
  • FR810973A - Arrangement of auxiliary turbines for steam engine installations, in particular for locomotives with steam turbines : en fr
  • GB463448A - An improved chair or lounge for medical treatment : en
  • CA365139A - Outdoor seat : en fr
  • USD103867S - Design for a receptacle for bat : en
  • PL24554B3 - A method of direct distillation-rectification of wines with double use of steam. : en pl
  • US2075046A - Photographic emulsion containing supersensitized pinacyanol : en
  • US2075223A - Pencil lead and the art of making the same : en
  • US2075317A - Base for floor converings and the like : en
  • US2075699A - Process for making bakers' products in various shapes : en
  • USD103885S - Design for a refrigerator handle : en
  • US2075487A - Effective temperature thermostat : en
  • US2075736A - Fuel distributing apparatus : en
  • GB463425A - Improvements in and relating to rotary moulding machines for biscuit doughs and the like : en
  • PL24535B1 - Method for the production of anhydrous magnesium chloride from magnesium carbonate. : en pl
  • DE643132C - Treatment of milk and similar liquids : de en
  • FR810779A - Products inhibiting the attack of metals by acids or salts and their applications : en fr
  • FR810986A - Improvements to the lowering device for hydraulic jacks : en fr
  • GB463597A - Improvements in or relating to starting and stopping mechanism for coinfreed film apparatus : en
  • GB463526A - Improvements relating to sole pressing machines : en
  • US2075156A - Apparatus for effecting the removal of foreing bodies from carded webs : en
  • US2075653A - Method of stabilizing alcoholic beverages : en
  • US2075656A - Rug and carpet binding sewing machine : en
  • DE643260C - Completely concealed three-part hinge for vehicle doors : de en
  • FR810819A - Valve spring and other applications : en fr
  • DE643076C - Method of measuring nonlinear distortion : de en
  • US2075024A - Adapter bushing : en
  • FR810866A - Perfected cushion : en fr
  • DE643154C - Cast hollow starting workpiece made of forgeable metal for the production of rolled or drawn tubes : de en
  • GB463627A - Improvements in or relating to resilient supporting devices : en
  • FR810854A - Furnace for making charcoal : en fr
  • DE643311C - Method for obtaining wort : de en
  • US2075033A - Toy : en
  • US2075761A - Electron discharge tube and the like : en
  • GB463417A - Improvements in and relating to hydraulic motors, rotary engines, pumps, blowers and the like : en
  • GB463415A - Improvements relating to electrical circuit-breakers having arc-quenching arrangements : en
  • US2075079A - Induction heating coil : en
  • US2075154A - Control mechanism for empty and load brakes : en
  • US2075390A - Bee poison preparation : en
  • FR810755A - Solid substitute for bleach : en fr
  • ES143438A1 - PROCEDURE FOR OBTAINING LEAD FROM THE SUBSTANCES THAT CONTAIN IT : en es
  • FR810792A - Assembly device for the elements constituting metal constructions : en fr
  • US2075019A - Stop joint for electric cables : en
  • US2075095A - Cutter register control : en
  • DE643211C - Medical syringe : de en
  • DE643278C - Process to protect the mechanical exposure gap in optical sound recording devices from contamination : de en
  • PL24548B1 - The method of dyeing leather. : en pl
  • CA365140A - Grade indicator : en fr
  • FR810781A - Detachable assembly method of a bra to a sheath or belt : en fr
  • GB463507A - Improvements in and relating to methods of recovering gas from the pipes or ducts of apparatus for filling electric incandescent lamps or discharge tubes : en
  • GB463436A - Improvements in drying boxes and incubators : en
  • FR810811A - Improvements to whistle sound signals : en fr
  • GB463543A - Improvements in or relating to hydraulic power transmission gears : en
  • GB463784A - Improvements in and relating to feeding mechanism for underfeed stokers : en
  • GB463520A - Improvements in or relating to refuse collecting containers : en
  • GB463369A - Improvements in air conditioning plant : en
  • GB463478A - Improvements relating to apparatus for rectifying alternating electric currents : en
  • GB463450A - Hygienic drinking device for attachment to drinking vessels such as drinking glasses and the like : en
  • DE643159C - Vice for die setting and line casting machines, in which the ends protruding over the die line cover the casting slot with a casting surface in such a position that the non-written parts of the upper line edge can be used to carry printing blocks : de en
  • FR810851A - Decorative artificial light production system : en fr
  • FR810857A - Machine with control pistons producing or using force : en fr
  • FR810951A - Refinements to tube amplifiers featuring dynamic amplitude adjustment : en fr
  • GB463438A - Recovery of sulphur : en
  • GB463469A - Improvements in faucets : en
  • GB463473A - Improvements in electric motor starting switches or circuit breakers : en
  • US2075280A - Bearing : en
  • US2075575A - Process for polymerizing vinyl compounds : en
  • US2075624A - Container : en
  • US2075627A - Sandbag support : en
  • USD103906S - Design for a lace tablecloth : en
  • GR6398B - CONTAINERS OR BARRELS FROM MISCELLANEOUS METAL SHEETS TRANSPORTED OR STORAGE OF VARIOUS LIQUIDS. : el en
  • US2075409A - Frame assembly : en
  • US2075445A - Method of forming ceramic bodies : en
  • US2075604A - Electronic amplifier : en
  • US2075779A - Corn knife : en
  • USD103903S - Design for a lace tablecloth : en
  • DE643202C - Device for duplicating writings, drawings or the like. : de en
  • PL24609B1 - Multipole redundant relay. : en pl
  • US2075175A - Method and apparatus for purifying liquids : en
  • US2075354A - Collapsible game table : en
  • US2075686A - Heating : en
  • DE643114C - Process for the production of a floor surface, inlays and strips : de en
  • US2075540A - Combined typewriting and computing machine : en
  • US2075589A - Spray head : en
  • GB463694A - Improvements in apparatus for detecting electric impulses : en
  • US2075287A - Sample box making machine : en
  • BE340278A - Process for producing imitations of oil paintings : en fr
  • FR810799A - Improvements in the manufacture of automotive fenders : en fr
  • GB463514A - Improvements in electron multipliers : en
  • US2075274A - Fuel stoker : en
  • US2075694A - Furnace wall and the like : en
  • US2075090A - Aluminum alloy : en
  • US2075381A - Container : en
  • US2075067A - Generation and superheating of steam : en
  • FR810952A - Process for obtaining stable asphalt and bituminous emulsions : en fr
  • US2075695A - Parchmentized fabric and process of producing the same : en
  • US2075331A - Method and apparatus for the electrodeposition of metal : en
  • US2075511A - Heat exchanger : en
  • FR810816A - All vehicles powered by traction or aerial propulsion intended to operate on ice or snow : en fr
  • FR810954A - Thread guide control, particularly for centrifugal artificial silk spinning looms : en fr
  • PL24578B1 - Shuttle for weaving looms. : en pl
  • IE14356L - Synthetic resin products : en
  • GB463344A - Improvements in and relating to adhesive sheet material : en
  • DE643256C - Spring upholstery for seating and reclining furniture, especially for motor vehicle seats : de en
  • GB463622A - Improvements in or relating to fountain pens : en
  • GB463414A - Improvements in or relating to screw sockets : en
  • FR810923A - Improvements in the manufacture of molded articles of paper or similar felted materials : en fr
  • FR810963A - Internal combustion engine with fuel injection pump separate from the cylinder : en fr
  • FR810941A - Reinforced concrete pipes and shrink-wrapped by metallic liner tensioning and manufacturing processes : en fr
  • US2075362A - Metal polish : en
  • US2075537A - Sewing machine : en
  • FR810805A - Process and product for water repellency of fabrics : en fr
  • US2075094A - Signaling system : en
  • US2075387A - Bathing suit : en
  • DK52870C - Procedure with associated Apparatus for Treatment of Liquids with Vibration Energy. : da en
  • US2075452A - Glass annealing lehr : en
  • US2075555A - Rake teeth for raking cylinders : en
  • USD103870S - Design for a sign : en
  • DE640158C - Closing link for elastic band or the like. : de en
  • FR810922A - Closure for stores and others : en fr
  • US2075104A - Method of and machine for grinding or lapping bearing rolls : en
  • US2075251A - Treatment of stabilized rubber derivatives : en
  • FR810985A - Improvement of the magnetic steering gyroscopic compass : en fr
  • US2075316A - Silencer for internal combustion engines : en
  • US2075168A - Wire forming machine : en
  • CA365115A - Hydraulic surface grinding machine : en fr
  • CH189885A - Pneumatic valve for sheet feed mechanisms. : en fr
  • CH189953A - Polarized synchronous small motor. : de en
  • PL24580B1 - A method of wet processing a tree in the form of logs, trunks, etc., and a device for carrying out the method. : en pl
  • US2075598A - Sewing machine : en
  • USD103891S - Design for a study lamp : en
  • GB463615A - Improvements in or relating to apparatus for stripping films from the feed rolls of film kinematograph apparatus : en
  • US2075342A - Clutch : en
  • PL24543B1 - The method of making sugar sugar. : en pl
  • US2075708A - Water heating apparatus : en
  • US2075513A - Radio receiving circuit : en
  • US2075583A - Foot for artificial limbs : en
  • US2075609A - Steam boiler : en
  • US2075629A - Combined tobacco pouch and pipe holder : en
  • CH190055A - Process for the preparation of a cyclohexenylalkylhydantoin. : de en
  • US2075052A - Curtain rod construction : en
  • DK52892C - Awning. : da en
  • PL24561B1 - A method for cracking hydrocarbon oils, tar and carbon-oil suspensions and a device for performing this method. : en pl
  • US2075187A - Method of weaving cut pile fabric : en
  • US2075638A - Locomotive stoker : en
  • USD103805S - Design fok a slipper : en
  • USD103841S - Design fob a drip coffeepot or : en
  • DK52884C - Culture Block for Frying Mushrooms. : da en
  • DK52888C - Procedure for the production of non-intoxicating or non-intoxicating alcoholic beverages. : da en
  • US2075471A - Hot water preheated bathtub : en
  • ES143489A1 - Procedure for the concentration of fruit and vegetable juices. : en es
  • GB463537A - Improvements in matrix composing and type line casting machines : en
  • DE643234C - Termination with plug connection device and adapter plug : de en
  • US2075528A - Beam compass carriage : en
  • US2075771A - Method of and apparatus for producing glass containers with reentrant bottoms : en
  • DE643172C - Resilient, resilient shaft coupling with an annular intermediate link made of rubber with an arcuate cross-section : de en
  • PL24511B1 - The method of spray-casting with the use of self-working casting machines, secured against improper start-up, and a device for this purpose. : en pl
  • US2075398A - Car jack : en
  • PL24603B1 - A method of producing nitrogen nutrient solution for yeast by acid hydrolysis of protein bodies. : en pl
  • SU50712A1 - Adaptation to the automatic brake air distributor to achieve a loosened brake release : en ru
  • CH190054A - Process for the production of 1-ascorbic acid. : de en
  • USD103860S - Design for a packing sheet : en
  • US2075531A - Vehicle chassis-front end construction : en
  • US2075724A - Garment steaming device : en
  • US2075625A - Torsion balance : en
  • USRE20313E - Clothes washing machine : en
  • US2075360A - Television apparatus : en
  • USD103856S - Design for an automobile heater or : en
  • US2075231A - Internal combustion engine : en
  • US2075286A - Sheet metal product : en
  • US2075293A - Well casing attachment : en
  • CA365056A - Phosphoric acid tri-ester production : en fr
  • DK52896C - Method of Manufacturing Concrete. : da en
  • US2075547A - Wiring device : en
  • USD103821S - Design for a tank vehicle : en
  • USD103852S - Design for a textile fabric : en
  • ES143487A1 - Procedure to protect medicines against premature destruction in the stomach and intestines. : en es
  • CA365015A - Motor fuel vaporizing device : en fr
  • GB463384A - Improvements in gas analyzers : en
  • GB463709A - Improvements in or relating to the manufacture of synthetic resins : en
  • CA365096A - Brake beam support structure : en fr
  • FR810761A - Asphyxiating gas protection device : en fr
  • FR810763A - Stereoscopic effect projection : en fr
  • FR810960A - Improvements to folding type cameras : en fr
  • GB463558A - Improvements in or relating to splash-plates and plate-racks for gas cookers : en
  • CH190032A - Process for the preparation of an azo dye. : de en
  • US2075386A - Ammunition : en
  • US2075116A - Means for defrosting refrigerators : en
  • US2075434A - Combination box toe and heel seat steamer : en
  • US2075582A - Float valve : en
  • US2075621A - Knitting device and method of knitting : en
  • FR810780A - Pipe joint : en fr
  • FR810987A - Cleaners for grooved cylinders : en fr
  • US2075401A - Display stand : en
  • US2075612A - Sorting machine : en
  • USD103799S - Design fob a scalpel : en
  • USD103851S - Design for a band for a hat : en
  • AU101108B2 - Improvements in telephone systems : en
  • US2075649A - Aquatic amusement and exercising device : en
  • CH189818A - Process for the production of a crop protection spray. : de en
  • US2075134A - Card for congratulation and advertisement purposes : en
  • US2075679A - Container and method of making same : en
  • CH190015A - Motor vehicle. : de en
  • DE643165C - Method and device for introducing molding compound into molds : de en
  • GB463488A - Improvements in electric toasters : en
  • DE643210C - Rotary grate, especially for steam generator furnaces : de en
  • US2075661A - Fountain pen : en
  • CH189911A - Watch. : en fr
  • US2075728A - Bow holder : en
  • US2075483A - Drill stem coupling : en
  • US2075504A - Remagnetizing device : en
  • USD103824S - Design for a soap holder : en
  • US2075748A - Electric circuit breaker : en
  • PL24553B3 - A method of printing color protections. : en pl
  • US2075436A - Incandescent lamp : en
  • DE1402935U - : de en
  • CH189960A - Switch arrangement for electrical equipment. : de en
  • US2075101A - Treatment of carbonaceous materials with reducing gases : en
  • US2075224A - Sewage disposal : en
  • DE643156C - Feed device for dryers of fiber material, especially textile fibers : de en
  • CH189880A - Process for the production of basic phosphate-containing products suitable for fertilization purposes. : de en
  • CH190017A - Dimming devices, in particular for headlights and tail lights of vehicles. : de en
  • GB463501A - Improvements in or relating to gaseous fuel induction pipes for internal combustion engines : en
  • US2075106A - Moistureproofing composition : en
  • USD103884S - Design foe a lady s sox : en
  • US2075022A - Orange disazo dyes : en
  • BE419825A - : en
  • DE643149C - Drive device for turntables : de en
  • CH190033A - Process for the preparation of an azo dye. : de en
  • DE643182C - Women's shoe with a hollow metal heel : de en
  • CA365037A - Electric discharge device manufacturing apparatus : en fr
  • US2075757A - Metal treatment : en
  • US2075142A - Braun tube : en
  • CH190039A - Process for the production of an anthraquinone derivative. : de en
  • US2075318A - Means for holding a cover for a beehive box or the like : en
  • US2075144A - Antihalation layers for photographic plates and films : en
  • US2075586A - Gin : en
  • USD103886S - Design fob an advertising sign : en
  • DE643209C - Thermometer capacitor, the capacity of which is dependent on the level of a dielectric fluid in the capacitive space between two fixed occupancies : de en
  • PL24556B3 - The method of producing lacquer dyes. : en pl
  • PL24615B3 - Method of saturating and coloring cut tree trunks by means of osmosis. : en pl
  • US2075042A - Transport cargo aircraft : en
  • US2075324A - Humidifier : en
  • DE643207C - Arrangement for the operation of direct current consumers connected to an alternating current network via two converters working as rectifiers and inverters : de en
  • DE643223C - One or two-sided weight-dependent track brake : de en
  • ES143450A1 - Procedure for obtaining azo dyes and their intermediate products. : en es
  • GB463426A - Improvements in or relating to dart boards : en
  • GB463944A - Improvements in clay cutting devices : en
  • US2075391A - Chain slip link connection : en
  • FR810849A - Improvements to objects intended for structural and other purposes : en fr
  • FR810936A - Developments in portable cinematographic cameras : en fr
  • GB463403A - Improvements in and relating to the preservation of eggs : en
  • DE643212C - Copier for audio or audio negatives : de en
  • FR810935A - Process and plant for concentrating rubber latex using creamers : en fr
  • USD103825S - Design for a combined tooth brush : en
  • US2075443A - Combined strainer and valve : en
  • US2075760A - Ankle protector : en
  • USD103862S - Design for a packing sheet : en
  • CA365026A - Illuminated sign : en fr
  • US2075295A - Organic sulphides and a method for their preparation : en
  • US2075524A - Wildcat for windlasses : en
  • CH189982A - Depilatory preparations. : de en
  • US2075680A - Trouser pocket and waistband construction : en
  • CH190052A - Heavy oil burner. : en fr
  • PL24619B1 - A method of operating coal-dust furnaces with direct blowing and drying of flour, especially for irradiated steam boilers for load peaks, and an apparatus for using this method. : en pl
  • CH189970A - Safety gas burner. : de en
  • CH190008A - Axle bearings on light wagons. : de en
  • PL24567B1 - Connector for electric wires. : en pl
  • US2075618A - Container : en
  • US2075635A - Cash register : en
  • PL24542B1 - Metal and rubber horseshoe. : en pl
  • PL24606B1 - A device for the production of semi-coke or coke obtained at average coking temperatures in the existing coking furnaces. : en pl
  • GB463389A - Improvements in or relating to the manufacture of oxygenated organic compounds : en
  • PL24601B1 - Closing to dishes, especially for canned food. : en pl
  • USD103894S - Design fob a wbench stand ob the : en
  • USRE20316E - Vehicle tibe : en
  • PL24564B1 - A method of mechanical recording of vibrations, especially sound vibrations, that can be reproduced optically and electrically. : en pl
  • PL24589B1 - Pendulum apparatus for measuring the intensity of the load field. : en pl
  • US2075214A - Venetian blind fitting : en
  • CH189897A - Hockey game. : de en
  • US2075199A - Bed lamp : en
  • US2075071A - Modulation : en
  • DE643040C - Process for copying reflex copies obtained by means of raster-shaped division of the radiation or of further copies thereof : de en
  • CA365058A - Composite casting : en fr
  • CA365159A - Engine humidifying device : en fr
  • CH189831A - Bath heater. : en fr
  • CH189924A - Percussion device. : en fr
  • USD103803S - Design fob a slipper : en
  • PL24628B1 - The way of impregnating wood. : en pl
  • US2075425A - Carton : en
  • US2075764A - Illuminated display apparatus : en
  • US2075639A - Electrode for thermionic discharge devices : en
  • US2075658A - Ice preventing device : en
  • CH189898A - Dexterity game apparatus with goods dispenser with a rotatable goods carrier that can be driven by means of an electric motor and a device for pushing the goods away from the goods carrier with the aid of a goods pusher. : de en
  • US2075232A - Method and means for scavenging : en
  • DE643161C - High-frequency line consisting of two ribbon-shaped conductors : de en
  • CA365100A - Fuse indicator : en fr
  • CH190041A - Process for the preparation of a nitro dye. : de en
  • CH189889A - Developing and fixing process for a continuous film with sound recordings. : de en
  • GB463427A - Improvements in hardening gelatine especially in photographic emulsions : en
  • US2075746A - Suspension and springing means for motor-cars and motor vehicles : en
  • US2075250A - Measuring machine : en
  • US2075343A - Synthetic resins : en
  • US2075418A - Power transmission : en
  • US2075325A - Manufacture of paper tubes : en
  • US2075595A - Clearer : en
  • US2075710A - Small motor : en
  • USD103912S - Design for a wrench case or the like : en
  • DE643227C - Rate monitoring device for clocks, especially for electric clocks : de en
  • FR810957A - Improvements relating to the purification of metaphosphates : en fr
  • US2075677A - Store front construction : en
  • US2075458A - Disk valve assembly : en
  • US2075750A - Seed celling knife : en
  • DE643265C - Process for the continuous regeneration of auxiliary water-absorbing fluids : de en
  • GB463471A - Improvements in or relating to bag filters for air and gases : en
  • GB463533A - Sewing machine safety device : en
  • USD103833S - Design fob a decorative comb : en
  • FR810883A - Propeller propeller : en fr
  • DE643295C - Quick pipe connection with wedges penetrating a coupling sleeve : de en
  • US2075179A - Recovery of chlorates by selective extraction with acetone : en
  • US2075359A - Insecticide : en
  • US2075039A - Apparatus and method for controlling freezing of ingots : en
  • US2075181A - Reception system : en
  • CH189886A - Method for mechanically loading a writing business machine, in particular a typewriter, with a paper sheet layer of the desired number of sheets from a supply stack and device for carrying out this method. : de en
  • DE643133C - Filling device for sugar mass flow : de en
  • FR810877A - Improvements to vehicles and machines comprising bogies, wheel sets, rollers and the like : en fr
  • CH189965A - Electric discharge tube. : de en
  • US2075613A - Display advertising device : en
  • DK52880C - Pull-out table. : da en
  • US2075734A - Vehicle brake : en
  • USD103876S - Design fob a game piece : en
  • USD103897S - Design for a cup : en
  • FR810767A - Optical projector : en fr
  • US2075050A - Article handling mechanism : en
  • US2075752A - Lehr stacker : en
  • GB463595A - Improved operating means for spring-controlled latches : en
  • PL24529B1 - Electrolytic capacitor. : en pl
  • US2075027A - Manufacture and treatment of artificial silk and like products : en
  • US2075041A - Vehicle : en
  • CH189829A - Boiler for long-life wood burning. : de en
  • PL24586B1 - Camera for cinematographic photos. : en pl
  • USD103877S - Besign for a thermostat mechanism : en
  • US2075593A - Apparatus for cleaning coal of foreign matter : en
  • PL24549B3 - The method of dyeing leather. : en pl
  • DE643289C - Electric flow heater with plate-shaped electrodes : de en
  • FR810892A - Liquid fuel and its manufacturing process : en fr
  • CA365061A - Suction cleaner : en fr
  • CA365092A - Electric lamp : en fr
  • AU95637A - Improvements in telephone systems : en
  • CH190019A - Direction indicators for bicycles and motorcycles or the like. : de en
  • US2075315A - Self-priming centrifugal pump : en
  • US2075102A - Electric elevator system : en
  • CH190003A - Device for connecting bodies lying against one another. : de en
  • CA365166A - Compressor stuffing box : en fr
  • CH189907A - Motorized calculating machine. : de en
  • US2075558A - Car door : en
  • US2075754A - Adjustable spring ratchet for micrometer spindles : en
  • PL24566B1 - The method of making propellers. : en pl
  • US2075460A - Valve assembly : en
  • US2075196A - Receiver support : en
  • US2075307A - Safety razor : en
  • US2075352A - Driving mechanism : en
  • US2075526A - Radio signal receiving system : en
  • US2075455A - Compounds of the dibenzanthrone series : en
  • PL24555B3 - A device for generating foam. : en pl
  • PL24595B1 - Electric starter for internal combustion engines. Patent dependent on Patent No. 20799. : en pl
  • US2075430A - Manufacture or treatment of artificial materials : en
  • US2075636A - Art of molding and matrix : en
  • PL24570B1 - Electric bulb or discharge lamp. : en pl
  • US2075448A - Husking roller : en
  • DE643199C - Process for the manufacture of a light, waterproof and breathable fabric : de en
  • PL24611B1 - A method of obtaining liquid sulfur dioxide containing at most about 22% water. : en pl
  • CH189992A - Electric telecommunication system. : de en
  • PL24596B1 - Cross reel with drums provided with guide grooves and with thread guides placed at the front. : en pl
  • CA365154A - Razor blade sharpener : en fr
  • US2075261A - Trolley conveyer : en
  • US2075051A - Rotary utility cabinet : en
  • US2075163A - Synchroscope : en
  • CA365151A - Vehicle suspension : en fr
  • CH190056A - Process for the preparation of a cyclohexenylalkylhydantoin. : de en
  • CH190024A - Electric signal box. : de en
  • CH189902A - Gyroscopic instrument. : en fr
  • DE643056C - Arrangement to reduce the load on the conductor in interlinked multi-phase networks in which the interlinked current flows : de en
  • US2075605A - Machine for covering boxes and the like : en
  • FR810836A - Protective helmets for motorcyclists, aviators and the like : en fr
  • DE643293C - Feed device on debarking machines : de en
  • FR810853A - Optical instrument allowing vision from certain angles : en fr
  • DE643196C - Jet pipe for liquefied extinguishing gases under high pressure : de en
  • CH189847A - Brush with exchangeable brush body. : de en
  • CH189903A - Liquid meter. : en fr
  • US2075219A - Animal head form : en
  • US2075227A - Soldering iron and accessories : en
  • CH189976A - Menstrual pad. : de en
  • CH190010A - Vehicle with endless tracks. : en fr
  • DE642949C - Process for producing vulcanized rubber by hot air vulcanization : de en
  • FR810840A - Necessary for oral hygiene : en fr
  • CH190030A - Method and device for evaporating liquids. : de en
  • CH189869A - Process for the preparation of a toluenesulfamide-formaldehyde condensation product. : de en
  • DE643240C - Electrical consumer system, consisting of several consumers of different tariffs : de en
  • DE643290C - Thread guide for cotton knitting machines : de en
  • PL24610B1 - A device for degassing fuel at low temperatures in ordinary coke ovens. : en pl
  • CA365163A - Hob producing apparatus : en fr
  • US2075301A - Lawn edge trimmer : en
  • US2075762A - Separable interlocking fastener and method of making same : en
  • US2075241A - Valve pulling device : en
  • US2075242A - Liquid fuel burner : en
  • US2075210A - Process for the agglomeration of fine iron ores : en
  • CA365025A - Mineral flotation process : en fr
  • CH189923A - Device for sharpening scissors. : de en
  • CA365068A - Uncoupling mechanism : en fr
  • CA365148A - Tire spreader and rim remover : en fr
  • DE643189C - Thread braking device for clippers : de en
  • DK52877C - Purifier for Fyrriste. : da en
  • DE643225C - Storage for loose disks : de en
  • CH189989A - Telegraph system. : de en
  • US2075237A - Method of cleaning water conduits : en
  • US2075420A - Shoetree : en
  • GB463522A - Improvements relating to the combustion chambers and pistons of internal combustion engines : en
  • GB463413A - Improvements in or relating to means for supporting confectionery jars, cordial containers and the like : en
  • US2075562A - Printing press margin bar : en
  • GB463420A - Manufacture of aromatic compounds containing fluorine in a side chain : en
  • CH189866A - Surface evaporator. : de en
  • FR810865A - Rubber suspension for motor vehicles : en fr
  • GB463539A - Improvements in variable-pitch propellers : en
  • FR810912A - Method and apparatus for the decomposition of ammonia : en fr
  • CH189849A - Method and device for twisting rayon. : de en
  • GB463496A - Improvements in and relating to knitting machines and needles therefor : en
  • CA365155A - Rotary machine : en fr
  • BE420151A - : en
  • CA365048A - Speed ratio indicator : en fr
  • US2075602A - Furnace wall structure : en
  • FR810882A - Air insulated high frequency conductor : en fr
  • FR810948A - Windows, doors and the like of metal : en fr
  • GB463532A - Improvements in and relating to clockwork time fuzes for projectiles : en
  • GB463678A - Improvements in or relating to the tempering of glass : en
  • FR810915A - Point counter marker device in particular for bridge : en fr
  • FR810992A - Fully collapsible metal tube lounge chair : en fr
  • GB463561A - Improvements in electric timing circuits : en
  • FR810826A - Process for treating sisal fibers : en fr
  • US2075591A - Expansible and contractible mold core : en
  • FR810762A - Variable reverse bend ski : en fr
  • FR810937A - Safety device intended to facilitate the starting of internal combustion engines : en fr
  • PL24560B1 - A method of continuously converting liquid, semi-solid or solid hydrocarbons of all origins and types into gaseous hydrocarbons. : en pl
  • FR810810A - improved screen in spun glass, forming a filter and usable in particular as a separator for electric accumulators : en fr
  • CH189922A - Puller for straight razors. : de en
  • GB464175A - A process for the removal of asphaltic substances and paraffin wax from petroleum or petroleum products : en
  • GB463439A - Recovery of sulphur : en
  • GB463585A - Method and apparatus for conditioning fabric articles preparatory to ironing : en
  • GB463710A - Improvements in and relating to electric switches : en
  • USD103905S - Design for a doob hinge fob : en
  • DE643020C - Device for extinguishing high-power alternating current arcs : de en
  • DK52879C - Filling carbon box. : da en
  • FR810878A - Synchronization method : en fr
  • US2075660A - Stock quotation system : en
  • PL24517B1 - Cooling solution. : en pl
  • DK52869C - Storage binders for Trade Books. : da en
  • DE643103C - Brush drilling and tamping machine : de en
  • US2075525A - Regulating feeding and forming roll in opening and picking machinery : en
  • US2075783A - Sound picture system : en
  • CH190036A - Process for the production of an anthraquinone derivative. : de en
  • GB463458A - Improvements in and relating to the treatment of paper mill and similar wastes : en
  • GB463527A - An improved method of joining superposed pieces of cloth : en
  • GB463365A - Improvements in or relating to printing machines for printing on cylindrical objects : en
  • US2075277A - Tool handle : en
  • US2075165A - Electric discharge tube : en
  • GB463708A - An improved down draught preventing chimney pot or ventilator : en
  • PL24607B1 - The hub, especially for bicycle wheels, and the method of its manufacture. : en pl
  • US2075123A - Double disk gate valve : en
  • US2075174A - Process for desulphurizing hydrocarbons : en
  • US2075692A - Carburetor for internal combustion engines : en
  • US2075706A - Rock drill : en
  • USD103830S - Design for a trimming for recep : en
  • GB463632A - Improvements in or relating to methods of making shoes : en
  • GB463559A - Manufacture of trifluoromethylarylsulphonic acids : en
  • FR810774A - Device for achieving a momentary and tamper-proof overload on automatic feed regulators, such as those of injection pumps of compression ignition engines : en fr
  • US2075357A - Placer machine : en
  • US2075735A - Continuous method of and apparatus for making plastic products : en
  • GB463519A - An improved pipe testing machine : en
  • IE14443L - Punches and method of manufacture : en
  • GB463409A - Improvements in carrier signalling systems : en
  • US2075370A - Production of sodium aluminium fluoride : en
  • US2075758A - Exhaust pipe : en
  • US2075269A - Solvent refining of mineral oil : en
  • USD103896S - Design for a lace tablecloth : en
  • US2075108A - Range : en
  • US2075099A - Compressor : en
  • US2075314A - Air conditioning apparatus : en
  • DK52897C - Process for the preparation of aqueous dispersions of bituminous substances. : da en
  • US2075538A - Safety paper : en
  • CA365135A - Knife sharpener : en fr
  • US2075515A - Resistance : en
  • US2075519A - Coin collector housing : en
  • US2075565A - Foundation garment : en
  • US2075669A - Connecter and switch for control circuits : en
  • US2075137A - Drinking vessel : en
  • US2075421A - Wheel-balancer-static type : en
  • USD103875S - Cigarette supporter : en
  • CA365060A - Suction cleaner : en fr
  • CH189881A - Process and device for the production of manure from garbage, slaughterhouse and other waste. : de en
  • CH189819A - Device for scattering powder. : de en
  • DK52885C - Atomizer for Combustion or Explosion Engines. : da en
  • FR810785A - Optical arrangement for color shooting : en fr
  • US2075350A - Folding chair : en
  • US2075358A - Process for cooling liquids : en
  • US2075411A - Fastener stud : en
  • GB463620A - Improvements relating to motor vehicles : en
  • GB463338A - Phonograph records and methods of making mouldable material for the production thereof and for other purposes : en
  • CH189909A - Watch. : en fr
  • FR810850A - Automotive car suspension : en fr
  • GB463592A - Improvements in machines for performing cutting-off and other operations on bar stock : en
  • GB463440A - Improvements relating to gas cookers : en
  • GB463445A - Machine for fixing locks, fastenings and fittings to cardboard, leather and like materials : en
  • GR6401B - IMPROVEMENTS IN THE MANUFACTURE OF HANDMADE CARPETS. : el en
  • FR810911A - Apparatus for the continuous manufacture of ice-cream articles : en fr
  • DE643272C - Device for regulating DC shunt machines that are used to excite synchronous machines : de en
  • US2075580A - Apparatus for snow removal : en
  • USD103863S - Design for a handkerchief or simi : en
  • US2075339A - Bread slicing machine : en
  • FR810978A - Improvements in boilers for thermosiphon heating : en fr
  • CH190047A - Electrically serviced clockwork movement. : en fr
  • GB463465A - Process for the manufacture of screws with a self-cutting screw thread : en
  • FR810788A - Process for the preservation of fermentable liquids and more especially of milk : en fr
  • BE420181A - : en
  • CH189987A - Coin slot device on a machine, for example on a gaming machine or vending machine. : de en
  • GB463335A - Improvements in and relating to glass-to-metal seals : en
  • GB463553A - Arrangement for practicing firing by means of compressed air particularly from light machine guns and automatic pistols : en
  • US2075672A - Manufacture of bag handles : en
  • US2075751A - Method of reclaiming waste material for reuse and products made thereby : en
  • DE643147C - Arrangement for voltage regulation in self-excited inverters working with grid-controlled vapor or gas discharge paths in parallel arrangement : de en
  • US2075594A - Stabilizing means for ships : en
  • US2075267A - Toy airplane device : en
  • US2075670A - Camera back and focusing device : en
  • US2075246A - Defiberizing device : en
  • US2075532A - Oiling device : en
  • FR810814A - Improvements to suspension devices : en fr
  • CA365124A - Hydrocarbon oil dewaxing method : en fr
  • GB463377A - Improvements in and relating to ships' sterns : en
  • CH189979A - Massager. : en fr
  • CA365059A - Aerial advertising device : en fr
  • CH189983A - Process for the preparation of 5-amino-m-phenanthroline. : de en
  • US2075535A - Motor vehicle control : en
  • USD103902S - Design for a lace tablecloth : en
  • GB463484A - Improvements relating to electrical stop mechanism for circular looms : en
  • DE643228C - Device for introducing the fabric web into felt calenders : de en
  • GB463486A - Improvements in apparatus for operating the doors of coke ovens and like plant : en
  • CH190014A - Control device for motor vehicles. : de en
  • CH190023A - Brake for rack railway vehicles. : de en
  • GB463517A - Improvements in or relating to steel floors or platforms : en
  • FR810807A - Device for fixing skis, boats, trunks and the like, for example on the roof of automobiles : en fr
  • US2075427A - Pipe joint : en
  • DE643079C - Electric cathode glow lamp in dwarf lamp size : de en
  • ES143437A1 - A large vacuum valve lamp. : en es
  • GB463393A - Improvements in or relating to coil assemblies for wireless receivers : en
  • GB463687A - Improvements relating to gas meters : en
  • FR810861A - Method and device applicable to wringer turbines, in particular in sugar refineries, for the direct production of lumpy products : en fr
  • GB463480A - Improvements in or relating to washing machines : en
  • GB463793A - Improvements in and relating to methods of and means for effecting vibration and to apparatus in which vibration is effected : en
  • FR810794A - Transparent plastic bottle : en fr
  • US2075780A - Cable riser : en
  • USD103857S - Design for an automobile heater or : en
  • GB463379A - Improvements in stock quotation projecting machines : en
  • GB463510A - Improvements in or relating to trailer vehicles : en
  • GB463459A - Improvements in fuel injection pumps : en
  • GB463626A - Improvements in or relating to traffic indicating or marking devices or the like : en
  • GB463545A - Improvements in or relating to the production of boron compounds and their use as catalysts : en
  • DE643124C - Device for modulating ultrashort oscillations : de en
  • FR810928A - Arrangement for elastic converters : en fr
  • DE643169C - Clamping mechanism for counters, especially for gas meters : de en
  • USD103817S - Design for a metallic grill : en
  • FR810976A - Optical sight device for rifles : en fr
  • PL24545B1 - Folding and portable oven. : en pl
  • US2075349A - Refrigeration : en
  • GB463552A - Improvements in and relating to dielectric compositions : en
  • GB463688A - Improvements in or relating to synthetic resin products : en
  • US2075459A - Cylindrical valve : en
  • FR810793A - Improvements to coolers : en fr
  • GB463443A - Improvements in and relating to cages for poultry : en
  • DE642830C - Process for the production of multinuclear ring systems : de en
  • FR810786A - Fire fighting process and agents : en fr
  • US2075176A - Braking mechanism : en
  • US2075444A - Method of making a bearing material : en
  • US2075212A - Manufacture of phosphoric acid : en
  • US2075412A - Shoe stretcher : en
  • USD103848S - Design fob a receptacle for bat : en
  • US2075131A - Container : en
  • US2075172A - Process for desulphurizing hydrocarbons : en
  • GB463479A - Method for removing liquid from thixotropes or masses of like nature : en
  • DE643166C - Protective cap for drivers u. like : de en
  • US2075164A - Method and apparatus for converting hydrocarbons : en
  • DE643300C - Multiple guilloché device : de en
  • FR810831A - Grinding wheel usable in particular for the production of wood pulp : en fr
  • CH190007A - Tipper body vehicle for spreading materials such as sand on the ground. : en fr
  • US2075055A - Cigar piercing machine : en
  • FR810940A - Ceramic hollow body, large dimensions and high resistance for metal floors : en fr
  • US2075328A - Method of impregnating cellulosic materials and product of said method : en
  • US2075715A - Fish net : en
  • USD103846S - Design for a receptacle for bat : en
  • DE643197C - shoe : de en
  • US2075400A - Apparatus for the linear measurement of strip materials : en
  • US2075727A - Machine for making and applying bottle caps or capsules : en
  • US2075435A - Apparatus for making glass building blocks : en
  • DE643144C - Additional switching device on control devices, especially for cooling systems : de en
  • DE635624C - Process for the production of hop extracts : de en
  • FR810766A - Improvement to two-crankshaft engines : en fr
  • CH189838A - Device and method for the production of briquettes from waste paper and waste. : de en
  • PL24518B1 - Apparatus for the electrolytic decomposition of water. : en pl
  • US2075608A - Knife sharpener machine : en
  • US2075769A - Seal for refrigerating apparatus : en
  • GB463600A - Improvements in fuel injection nozzles for internal combustion engines : en
  • CA365079A - Lubricating composition blending agent : en fr
  • US2075259A - Toy construction card : en
  • US2075447A - Traffic signal device : en
  • DE643281C - Hydraulic fluid feed drive for machine tools, in particular turning benches : de en
  • FR810955A - Apparatus for producing photocopies : en fr
  • GB463570A - Improvements in sliding sash windows : en
  • FR810817A - Oxidizer-catalyst : en fr
  • GB464023A - Improvements relating to advertising and like signs comprising luminous electric discharge tubes : en
  • DE642794C - Process for the production of substituted barbituric acids : de en
  • GB463466A - Process and apparatus for the damping of oscillations in gases : en
  • CH189969A - Method for operating closed electric melting furnaces and melting furnace for practicing the method. : de en
  • US2075377A - Means and method of forming discrete areas : en
  • US2075453A - Combined blow-out patch and plug : en
  • US2075644A - Extensible utility shelf : en
  • CH189995A - Adjustment device for radio receiver with several wavelength ranges. : en fr
  • USD103892S - Design fob a dress : en
  • US2075200A - Means for lighting gas discharge tubes : en
  • US2075075A - Method and apparatus for the manufacture of sulphuric acid : en
  • US2075489A - Cutting machine : en
  • CH189876A - Sealant for pneumatic tubes. : de en
  • CH190031A - Process for the preparation of an azo dye. : de en
  • DK52893C - Razor. : da en
  • US2075772A - Stud or joist : en
  • USD103810S - Design for a vehicle : en
  • US2075119A - Engine starting mechanism : en
  • US2075347A - Tertiary amines of the benzene series and a process of making the same : en
  • CH190002A - Easy-to-open lid closure for boxes and the like. : de en
  • CA365104A - High frequency coupling device : en fr
  • PL24525B1 - Artificial horizon. : en pl
  • PL24585B1 - A method for obtaining a material suitable for the manufacture of artificial jaws and similar dental products. : en pl
  • US2075308A - Toilet signal device : en
  • US2075781A - Tractor semitrailer fifth wheel structure : en
  • CA365035A - Telemetering apparatus : en fr
  • USD103847S - Design for a receptacle for bat : en
  • US2075035A - Process for preparing carboxylic anhydrides : en
  • US2075697A - High voltage discharge tube : en
  • PL24527B1 - : en pl
  • US2075620A - Coating apparatus : en
  • USD103842S - Design for a drip coffeepot or : en
  • CH189900A - Carrying device for cartridges housed in magazines or magazine-like boxes. : de en
  • US2075617A - Container : en
  • FR810956A - Submerged electric motor : en fr
  • GB463449A - Improvements in control valves for liquid elevating apparatus : en
  • GB463624A - Improvements in the manufacture and production of washing, cleansing, dispersing, solvent and like agents : en
  • SU50288A1 - Method for making reflex copies : en ru
  • US2075192A - Roll handling mechanism : en
  • CA365023A - Brewing process and apparatus : en fr
  • US2075553A - Knife : en
  • US2075705A - Vulcanizing unit : en
  • PL24552B1 - A method of printing protections using ester salts of vat leuco dyes. : en pl
  • US2075064A - Direction control mechanism for well drilling tools : en
  • USD103882S - Design for artificial leather : en
  • CH189893A - Roller skates. : en fr
  • BE420038A - Self-priming multistage pumps : en fr
  • CH189934A - Single or multi-housing, multi-stage axial compressor with at least one external intercooler. : de en
  • US2075569A - Control and indicator device for radio receivers : en
  • USRE20315E - Diaper : en
  • CA365052A - Cooling system : en fr
  • FR810899A - Channeling and distribution of hydrogen and oxygen gases obtained by electrolysis : en fr
  • GB463392A - Improvements in chain conveyors : en
  • CH189874A - Process for the production of a new condensation product. : de en
  • CH190011A - Control device for the pressure medium of a switching device for change gears. : de en
  • US2075140A - Tilting oscillator and modulator : en
  • CH189853A - Device applicable to the weaving mechanics of a loom, in particular of a loom. : en fr
  • DE643312C - Signature folder : de en
  • CA365120A - Electric clock : en fr
  • CH189963A - Circuit breaker. : en fr
  • FR810938A - Devices allowing the normal suspension of a motor vehicle and the independence of its wheels : en fr
  • PL24520B1 - A method of producing round sheet metal targets by rolling out thicker targets with a smaller diameter. : en pl
  • CH189959A - Switching device. : de en
  • DE634725C - Cutting roller mill for cutting strips of ignition sticks, consisting of two cutting rollers that mesh with one another by means of knives arranged in a toothed manner : de en
  • CA365043A - Refrigerator evaporator : en fr
  • PL24524B1 - A method of producing coating paints in the form of pastes or in the form ready for painting. : en pl
  • CA365167A - Rotary valve driving mechanism : en fr
  • DE633125C - Paper container with screw cap : de en
  • GB463578A - Improvements relating to means for heating water in domestic and other water supply systems : en
  • AU115737A - Anew or improved lighting device for gas cookers : en
  • PL24599B1 - Lampholder for electric bulbs. : en pl
  • PL24521B1 - A method of cladding iron sheets and similar products. : en pl
  • PL24532B1 - Press for grease. : en pl
  • CH189821A - Process for molding a ribbed slab. : en fr
  • CH189941A - Glow wire plug. : de en
  • CH190034A - Process for the preparation of an azo dye. : de en
  • PL24513B1 - An insert for exploiting heat in kitchens. : en pl
  • US2075150A - Process for the producing of metals and utilization thereof : en
  • GB463394A - Improvements in and relating to elastic fluid turbines : en
  • GB463441A - An improved transporting carriage for motor lawn mowers, also applicable for facilitating the cutting of long grass : en
  • DE643158C - Shelf rail for die setting and line casting machines with pairs of ribs arranged one above the other : de en
  • CH189855A - Circular loom. : en fr
  • BE420059A - Compressed gas switch : en fr
  • US2075235A - Hydraulic press and similar apparatus : en
  • US2075731A - Separating and classifying apparatus : en
  • US2075009A - Radio receiving system for vehicles : en
  • US2075564A - Steering drive axle : en
  • US2075258A - Gas mixing apparatus : en
  • PL24613B1 - Release valve for compressed air brakes. : en pl
  • DE643238C - Monitoring device for three-phase induction motors, which are braked by countercurrent, depends on the running voltage : de en
  • DE643276C - Process for the production of paints and plastic bodies : de en
  • US2075431A - Ignition booster system : en
  • US2075203A - Hydration of olefines : en
  • US2075393A - Hydroxyphenylaminoaryles of the : en
  • USD103826S - Design for a goblet or similar : en
  • US2075566A - Soap holder for scrub pails : en
  • GB463530A - Improvements in and relating to sewing machines : en
  • ES143453A1 - Method of obtaining 2,4,6, triamino-1,3,5.triazine (melanin). : en es
  • CH189943A - Centrifugal governors, in particular for ignition devices for internal combustion engines. : de en
  • GB463790A - Improvements in and relating to the coating and protection of aluminium : en
  • CA365078A - Oil composition : en fr
  • PL24550B1 - The method of dyeing leather. : en pl
  • US2075463A - Heater : en
  • DE643244C - Process for the production of azo dyes : de en
  • USD103887S - Design for a combination container : en
  • US2075508A - Suture retainer : en
  • US2075718A - Heat-resisting implement : en
  • CH189952A - Transformer for regulating alternating voltages. : de en
  • FR810917A - Pivot window : en fr
  • CA365145A - Weighing scale : en fr
  • GB463337A - Improvements in and relating to machines for tempering or moistening products : en
  • GB463485A - Improvements in or relating to the formation of staple products from continuous filaments and to the use of such products : en
  • PL24623B1 - The method of making bread. : en pl
  • US2075327A - Horticultural binding tape : en
  • US2075603A - Meat grinder and cutting knife therefor : en
  • DE643222C - AC traction unit with a transformer housed within the bogie frame : de en
  • FR810903A - Shielding device for spark plugs : en fr
  • GB463481A - Dyeing medium for live hair : en
  • US2075159A - Method of treating beet seed : en
  • US2075631A - Means for making permanent waves : en
  • US2075160A - Modulated radiator control : en
  • FR811000A - Piston improvements : en fr
  • GB463385A - Improvements in and relating to processes for the production of pure alcohol, and apparatus therefor : en
  • GB463483A - Improvements in dividing and arranging yarns into warp or sheet form : en
  • GB463493A - Improvements in resistance-coupled thermionic amplifiers : en
  • US2075008A - Degree plate : en
  • GB463712A - Improvements in or relating to plastic compositions comprising for example cellulose derivatives or resins : en
  • CA365031A - Diving dress : en fr
  • GB463462A - Collars for personal wear : en
  • DE643167C - Arrangement for determining the rate of clocks : de en
  • FR810829A - Periodic reversal system of electric motors : en fr
  • DK52872C - Signal system for securing railway crossings. : da en
  • FR810962A - Welding process more particularly intended for dentistry and welder comprising application : en fr
  • FR810995A - Removable aerator device for cold rooms and other applications : en fr
  • FR810984A - Reel for cables with end connectors : en fr
  • US2075271A - Wheel for roller skates : en
  • CA365114A - Automatically controlled abrading machine : en fr
  • FR810900A - Method and apparatus for bending tubes : en fr
  • GB463616A - Improvements in or relating to rotary engines : en
  • USD103838S - Design for a timer case : en
  • US2075722A - Button fastener : en
  • CA365085A - Photographic filter layer : en fr
  • CH190018A - Bike support. : de en
  • CA365098A - Wrench socket manufacture : en fr
  • CA365164A - Blotter : en fr
  • FR810961A - Active diastase and vitamin generator : en fr
  • CA365102A - Cartridge fuse indicator : en fr
  • US2075419A - Furnace : en
  • USD103800S - Design fob a shoe ob similar abticle : en
  • US2075155A - Vehicle wheel : en
  • US2075403A - Apparatus for dispersing materials : en
  • US2075498A - Pump for liquid cooling systems of internal combustion engines : en
  • FR810752A - Knee joint enhancements for artificial leg : en fr
  • GR6393B - IMPROVEMENTS IN AND IN RELATION TO BRIDGE FLOATING. : el en
  • GB463358A - Toy firearm : en
  • GB463551A - Improvements in the manufacture of metallic carbonates more particularly carbonate of magnesia and their oxides : en
  • GB463608A - Improvements in or relating to friction clutches : en
  • US2075018A - Tertiary alkylaryloxy alkylols : en
  • US2075474A - Electrical cooking and toasting device : en
  • US2075623A - Zinc plating : en
  • PL24516B1 - Automatic device for cleaning the main drum of carding machines with the use of electricity. Patent dependent on patent No. 24098. : en pl
  • PL24593B1 - Device for distributing tens in addition machines. : en pl
  • US2075778A - Folding table : en
  • US2075043A - A process for producing a copper phthalocyanine compound : en
  • US2075408A - Transfer of liquefied gas : en
  • USD103818S - Design for a clock case : en
  • IE14180L - Controlling automatic electric generators : en
  • DE643284C - Contact dryer with circulating heat transfer bodies : de en
  • US2075115A - Annealing box : en
  • US2075426A - Pipe holding apparatus : en
  • US2075473A - Spacer for stacking cut meats : en
  • US2075714A - Anchorage : en
  • CA365077A - Residual oil processing : en fr
  • CH189860A - Fabric made from fibers for stiffening linings of clothing. : de en
  • GB463404A - Improvements in steel hatch covers : en
  • USD103879S - Design for a spectacle case : en
  • FR810764A - Admission regulator of a working fluid : en fr
  • GB463604A - Improvements in or relating to multi-position change-over electric switches : en
  • FR810769A - Method and apparatus for making and projecting cinematographic films giving the illusion of relief : en fr
  • GB463611A - Improvements in laminated wood plates : en
  • DE643297C - Regulating pulling device, especially for controls on motor vehicles from the dashboard : de en
  • GB463354A - Improvements in and relating to exhaust silencers for internal combustion engines : en
  • GR6396B - PIPELINE HYDRO TURBINE ENGINE MACHINE. : el en
  • CH189951A - Positive oxygen electrode. : de en
  • GB463502A - Improvements in or relating to the construction of cycle tyre pumps or inflators andthe like : en
  • FR810848A - Paper folding machine : en fr
  • DE643302C - Switching device for any single or group drive of fire fighters : de en
  • GB463528A - Improvements in or relating to the overhead trolleys of electric vehicles : en
  • CH189845A - Bathtub. : en fr
  • US2075442A - Educational game : en
  • US2075522A - Ice shaving machine : en
  • US2075597A - Internal combustion engine : en
  • US2075770A - Film and recording system therefor : en
  • CA365126A - Computing machine : en fr
  • CH189852A - Thread cleaner for use when processing thread. : de en
  • CH189957A - Dielectric. : en fr
  • CA365149A - Ore separator : en fr
  • PL24546B1 - KL 45 g, 15/12. The patent depends on the patent No. 23077. : en pl
  • US2075266A - Disinfecting dispensing apparatus : en
  • CH189871A - Process for the preparation of a leather dye. : de en
  • CA365062A - Suction cleaner : en fr
  • US2075149A - Stoker : en
  • US2075229A - Safety bath foot pad : en
  • US2075533A - Method of removing odor from labels and other printed material : en
  • CH189945A - Process for operating compression refrigeration machines and compression refrigeration machines for carrying out the process. : de en
  • US2075034A - Dishwashing machine : en
  • US2075189A - Crinkled rubber and method of making : en
  • BE420055A - : en
  • CA365091A - Telemetering apparatus : en fr
  • US2075037A - Wrapper feeding and cutting device : en
  • US2075097A - Grading machine : en
  • US2075278A - Burner : en
  • USD103854S - Design fob a textile fabric : en
  • USD103890S - Design fob a flashlight casing : en
  • DK52883C - Process for the production of fine-grained and easily cast aluminum alloys. : da en
  • PL24519B1 - A method of removing the above boiling solvent components from solutions of organic substances, e.g. oil, in a mixture of solvents. : en pl
  • US2075451A - Wrist watch adapter : en
  • CH189844A - Armchair convertible into a double bed frame. : de en
  • CH189932A - Screw machine that can be used both as a compressor and as a motor. : de en
  • US2075066A - Method of rolling metal : en
  • US2075682A - Screw propeller : en
  • US2075744A - Decorative illuminating bulb : en
  • GB463542A - Improvements in or relating to platen printing presses : en
  • CH189944A - Method for speed control of electric generators driving engines. : de en
  • DE643143C - Steam generator : de en
  • GB463381A - Improvements in and relating to arc lamps : en
  • GB463353A - Improvements in closure caps for bottles and like containers : en
  • IE14649L - Colour photography : en
  • FR810979A - Pendulum motion and mechanically operated windshield wipers for automobiles : en fr
  • PL24571B1 - Pipe connector. : en pl
  • PL24583B3 - A device for generating air foam. : en pl
  • US2075716A - Folding and sliding door window, and the like : en
  • FR810758A - Standpipe : en fr
  • FR810913A - Improvements to wire tying machines : en fr
  • GB463601A - Improvements in visual monitoring devices for cinematograph cameras combined with or operating with sound recording systems and apparatus : en
  • USD103815S - Design for a fountain pen clip ob : en
  • USD103827S - Design for a lucky piece : en
  • US2075424A - Speedometer for bicycles : en
  • CH189964A - Apparatus with liquid damping. : de en
  • PL24514B1 - Cobblestones and paving stones for paving. : en pl
  • DE643057C - Device for displaying iron shortages in the stand of electrical machines : de en
  • US2075167A - Pneumatic valve inside construction : en
  • US2075743A - Mordant azodyestuffs and their production : en
  • US2075546A - Apertured structural elements and machine parts : en
  • GB463342A - Improvements in or relating to presses for the manufacture of multi-layer non-splintering glass : en
  • GB463442A - Improvements relating to means for interconnecting single phase and polyphase supply networks : en
  • PL24559B1 - A product for protecting human skin from the harmful rays of the spectrum. : en pl
  • US2075059A - Boiler drum equipment : en
  • US2075633A - Reenforced ceramic building construction and method of assembly : en
  • FR810910A - Hinged device for doors of tubular metal constructions and the like : en fr
  • US2075113A - Work support for riveting machines : en
  • US2075664A - Cream separator : en
  • US2075297A - Belt drive : en
  • GB463609A - Improvements in or relating to spectacles or the like : en
  • GB463453A - Improvements in and relating to the manufacture of clay-pozzolana : en
  • DE643219C - Process for the production of acetylene from reaction gases, exhaust gases u. like : de en
  • ES143454A1 - A process for the manufacture of a protective and insulating material, against acids, alkalis and gases. : en es
  • GB463432A - Improvements in or relating to the manufacture of gelatine : en
  • FR810885A - Machine for carding or cutting fiber : en fr
  • US2075373A - Building material : en
  • US2075702A - Irrigation device : en
  • USD103865S - Deflector foe a heater : en
  • DK52871C - Open refrigerated counter. : da en
  • ES143446A1 - Improvements in the valves of passage. : en es
  • GB463467A - Improvements in gear cutters and method of cutting gears : en
  • GB463557A - Improvements in or relating to sight-testing apparatus : en
  • CA365088A - Shingle element : en fr
  • CA365156A - Rail joint : en fr
  • DE643242C - Device for treatment with high frequency electrical vibrations : de en
  • GB463513A - Automatic control mechanism for change-speed gearing for motor and the like vehicles : en
  • FR810771A - Improvements to electric discharge luminaires : en fr
  • DE643241C - Process for reducing the development of vapor in metal vapor discharge apparatus : de en
  • FR810967A - Enema pear : en fr
  • US2075197A - Operating means for press control mechanism : en
  • US2075650A - Watch case : en
  • US2075145A - Antihalation layer : en
  • DK52874C - Electric Accumulator. : da en
  • CA365036A - Potential indicator : en fr
  • CA365094A - Wall covering : en fr
  • GB463388A - A process for improving lubricants, particularly mineral lubricating oils : en
  • GB463503A - Improvements in or relating to classifiers : en
  • DE636147C - Process for the production of hop extracts : de en
  • GB463355A - Improvements in and relating to rotary commutator switching-apparatus for converting electric currents : en
  • DK52887C - Solder connection between Metal pipes, one of which is inserted into the other. : da en
  • GB463446A - Improvements in and relating to knotting appliances for textile yarns : en
  • GB463523A - Improvements in chain liquid pumps : en
  • GR6404B - AERODYNAMIC AIRCRAFT. : el en
  • GB463386A - Improvements in the wings of metallic coach-work : en
  • US2075619A - Game apparatus : en
  • CA365046A - Refrigerating system : en fr
  • DE643235C - Adapter with connector shells and connector pins for electrical devices, especially electron tubes : de en
  • DE643248C - Knife carriers on wood peeling or cutting machines : de en
  • US2075288A - Control mechanism for steering wheels : en
  • GB463383A - Improvements in or relating to dartboards : en
  • US2075262A - Wall tie : en
  • CA365017A - Solid fuel carbonization process : en fr
  • US2075078A - Driving mechanism : en
  • CA365128A - Sound reproducing system : en fr
  • DE643255C - Coupling device for gears, especially on motor vehicles : de en
  • US2075283A - Production of magnetizable alloy : en
  • US2075667A - Process for making safety glass : en
  • USD103828S - Design for an automobile hood : en
  • US2075217A - Bottle holder : en
  • US2075334A - Oil burner draft control : en
  • US2075502A - Liquid level horizon : en
  • US2075628A - Washer : en
  • US2075213A - Article covering machine : en
  • US2075468A - Leavening process : en
  • US2075652A - Hair-waving apparatus : en
  • DE643233C - Automatic winding and unwinding cable drum with electrical drive for portable electrical machines : de en
  • FR810991A - Device for supplying injection pumps for compression ignition engines : en fr
  • PL24577B1 - KL 33 a, 9/01. Rubber umbrella. : en pl
  • CH190025A - Electric contact line made of bi-metal. : de en
  • US2075021A - Fastener for typewriters : en
  • US2075615A - Windshield cleaner : en
  • US2075721A - Can drinking rim : en
  • US2075756A - Adjustable noncircular orifice ring structure for glass feeders : en
  • US2075254A - Vulcanized halogen containing rubber derivatives : en
  • US2075193A - Process for the treatment of gaseous fluids : en
  • CH189946A - Refrigerator appliance. : en fr
  • US2075238A - Watershedding garment : en
  • US2075363A - Apparatus for forming hollow glass articles : en
  • CH189991A - Device to enable the utilization of company telephony systems that work with the help of high-frequency currents transmitted along lines to be increased. : de en
  • US2075011A - Excitation system for mercury arc rectifiers : en
  • US2075273A - Method of rolling metals : en
  • US2075539A - Shield for optical units : en
  • CH189978A - Breath regulator useful in clinical examination of animals. : de en
  • US2075220A - Rake : en
  • CH189836A - A hollow construction element and method for its manufacture. : en fr
  • CH190013A - Motorized transport vehicle for use on sites of various types. : de en
  • CH189916A - Method of finishing machined bars and apparatus for performing the same. : de en
  • PL24612B1 - A method of producing non-knock engine fuel. : en pl
  • US2075007A - Razor and device embodying razor : en
  • US2075551A - Paring machine : en
  • US2075228A - Stock-quotation system : en
  • US2075517A - Aluminum alloy : en
  • GB463556A - Improvements in or relating to dredger buckets : en
  • CA365042A - Electric discharge device : en fr
  • CA365143A - Engine muffler : en fr
  • CA365153A - Grain separator : en fr
  • DE643160C - Mold for casting a stereotype plate : de en
  • FR810919A - Internal combustion engine with spool valve distribution : en fr
  • CA365118A - Piston sealing device : en fr
  • DE643117C - Method and device for introducing wort into the Gaerbotich : de en
  • GB463588A - A decorative glass panel and process for the manufacture thereof : en
  • USPP240P - bertanzel : en
  • GB463359A - Improvements in or relating to manufacture of zinc sulphide : en
  • US2075378A - Means and method for collecting secondary electrons : en
  • US2075521A - Multiflow cooling system for internal combustion engines : en
  • US2075665A - Cream separator : en
  • BE420183A - Method for sensitizing photographic emulsions : en nl
  • DE643176C - Photoelectric light meter on photographic roll film cameras : de en
  • DE643208C - Relay device which responds when the phase position between two periodic electrical quantities to be compared exceeds a certain limit value : de en
  • US2075045A - Thermo-plastic : en
  • PL24537B1 - Device for illuminating translucent glass advertising signs. : en pl
  • US2075365A - Plug receptacle : en
  • GB463451A - Improvements in or relating to packages for sheet material : en
  • GB463529A - Improvements in or relating to rolling mills : en
  • PL24538B1 - hlf4j 31/06 Flare pipes. : en pl
  • US2075248A - Spear : en
  • CA365024A - Drying house : en fr
  • CH189895A - Skill game. : en fr
  • CA365049A - Sodium perborate production : en fr
  • US2075384A - Portable air conditioner for rooms : en
  • US2075690A - Article deposit and pick-up apparatus for airplanes : en
  • CA365034A - Tube making machine : en fr
  • CH189962A - Rheostat with progressive adjustment, for strong currents. : en fr
  • US2075084A - Motor vehicle : en
  • US2075642A - Greenhouse sash bar : en
  • US2075703A - Toy sparking pipe : en
  • US2075074A - Closure : en
  • US2075440A - Antiglare device : en
  • DE643186C - Ski with ski cheeks that converge towards its rear end : de en
  • US2075086A - Machine provided with an automatic firearm : en
  • US2075493A - Cigar : en
  • US2075058A - Roofing element : en
  • US2075543A - Stabilization of vinyl resins and compositions produced thereby : en
  • US2075375A - Calculating machine : en
  • US2075512A - Stock quotation projecting machine : en
  • US2075549A - Antioxidant : en
  • CA365069A - Railway car coupler mechanism : en fr
  • US2075432A - Shoe : en
  • BE420156A - : en fr
  • CA365112A - Journal box : en fr
  • US2075028A - Rotary well drilling apparatus : en
  • USD103913S - Design for a wrench stand or the : en
  • GB463347A - Apparatus for sorting and distributing coins, tokens and other similar articles : en
  • PL24621B1 - K1.-6S b, 35 ^. B 65f, S / o. Submarine with rescue boats : en pl
  • GB463729A - Improvements in and relating to waterproof concrete and the like roofs : en
  • US2075263A - Sound attenuating device : en
  • US2075774A - Vibration actuated controller : en
  • FR810801A - Carburetor improvements : en fr
  • GB463607A - Improved construction of mowing machine : en
  • CH189833A - Device for generating oscillating movements of a working organ, especially for driving faecal agitators. : de en
  • FR810965A - Lack of liquid protection device : en fr
  • FR810998A - Removable crown gear : en fr
  • GB463759A - Improvements in motor car bodies : en
  • US2075070A - Apparatus for rendering and refining fats : en
  • US2075383A - Container : en
  • FR810776A - Device intended to remotely control the receiving devices of t. s. f. : en fr
  • FR810975A - Metal chimney for corrosive gases : en fr
  • US2075674A - Terminal plug for electric cords : en
  • GB463625A - Improvements in or relating to electrical oscillation generators : en
  • DE643187C - Extendable loading arm : de en
  • GB463346A - Fluid pressure apparatus for brakes : en
  • FR810791A - Improvements to wooden pipes : en fr
  • US2075025A - Coating compositions and processes of preparing the same : en
  • CH189975A - Device for aseptic root treatment. : de en
  • GB463531A - Improvements in hinges : en
  • US2075133A - Apparatus for producing a compressed and heated gas : en
  • US2075518A - Art of surfacing one metal with another : en
  • FR810945A - Splice bridging the junction of the rails and avoiding jolts : en fr
  • GB463378A - Improvements in vulcanization of rubber : en
  • USRE20318E - System for air conditioning rail : en
  • FR810977A - Burner for liquid fuels : en fr
  • USD103921S - Design for a cover for spare wheels : en
  • FR810842A - Machine for husking and combing flax or other fibrous tow material : en fr
  • USD103845S - Design for a receptacle for bat : en
  • PL24531B1 - ^ Metal pipe. : en pl
  • US2075696A - Apparatus for producing therapeutic rays : en
  • US2075136A - Opening device for packages : en
  • US2075389A - Air conditioning device : en
  • GB463725A - Improvements in adhesive coating, moulding, sizing, binding and the like compositions : en
  • PL24597B1 - Method of recovering solvents used for extraction. : en pl
  • US2075319A - Mirrored furniture : en
  • US2075520A - Tool : en
  • US2075233A - Mechanical relay apparatus : en
  • US2075542A - Filtration of sewage and the like : en
  • PL24576B1 - Method for the production of ready-to-paint paints with low oil content or thinning agents. : en pl
  • GB463474A - Cooling of aircraft engines : en
  • GB463419A - Improvements in or relating to filters : en
  • GB463477A - Improvements in and relating to safety razor blades : en
  • US2075190A - Colored photographic materials and method of producing them : en
  • US2075216A - Valve seat lapping machine : en
  • US2075749A - Electric circuit breaker : en
  • FR810909A - Support device for demountable grandstand platforms of tubular metal construction : en fr
  • FR810918A - Portable battery-free lamp with spring-loaded dynamo : en fr
  • FR810974A - Camera : en fr
  • FR810895A - Process for preparing valuable lubricating oils : en fr
  • DE643313C - Control of flat-form printing presses with a printing cylinder that can be moved back and forth over the stationary foundation : de en
  • CH189933A - Method for cooling a rotary machine, and rotary machine for implementing this method. : en fr
  • PL24551B3 - The method of dyeing leather. : en pl
  • US2075668A - Loom attachment : en
  • CA365152A - Pollen solution : en fr
  • CH189917A - Device for metal extrusion. : en fr
  • FR810837A - Device for dispensing slices or rings for slicing machines for ham, sausage, etc. : en fr
  • FR810846A - Polymerization process of gaseous olefins : en fr
  • FR810969A - Improvements to the instructions for using the electric arc as a light source, for television receivers : en fr
  • PL24584B1 - A method of separating petroleum distillates and concentrates into paraffinic, naphthenic and aromatic components, while refining paraffinic and naphthenic components. : en pl
  • PL24592B1 - The method of electrolytic production of concentrated solutions of heavy water. : en pl
  • US2075054A - Sealing machine : en
  • USD103871S - Design fob a toy boat : en
  • DE643185C - Foldable table tennis table : de en
  • GB463371A - Improvements in emergency gear for stopping internal combustion engines : en
  • US2075429A - Process for producing vinyl resins : en
  • USD103919S - Design for a range : en
  • ES143490A1 - Improvements in the elevating carburetors. : en es
  • GB463563A - Improvements in or relating to window stays : en
  • CH190006A - Closure device on tubes. : de en
  • PL24604B1 - A method of producing improved hydrocarbon oils, resins and products for the production of mineral oil sheet. : en pl
  • US2075124A - Electrical system : en
  • US2075143A - Treatment of textile fabrics : en
  • US2075341A - Pruning apparatus for trees and the like : en
  • US2075563A - Steering wheel drive fob vehicles : en
  • US2075449A - Vehicle body : en
  • US2075472A - Spacer for stacking cut meats : en
  • CH190051A - Permanent magnet and method of manufacturing this magnet. : en fr
  • USD103797S - Design for an implement handle : en
  • FR810968A - Wheel with internal elasticity device obtained by means of articulated spokes and springs : en fr
  • CA365131A - Lock mechanism : en fr
  • ES143460A1 - Procedure for obtaining polyoxycarbonates. : en es
  • PL24536B1 - A method of producing arylaminonaphthalene derivatives. : en pl
  • PL24541B3 - : en pl
  • CA365090A - Telemetric receiver indicator : en fr
  • DE643288C - Electrical discharge apparatus with arc or glow discharge and an ignition electrode that is permanently immersed in the liquid cathode : de en
  • US2075655A - Sign and method of manufacture thereof : en
  • US2075739A - Bird nest : en
  • GB463574A - Improvements in or relating to model and structural articles available also for containers and display purposes : en
  • US2075098A - Metering system : en
  • USD103859S - Design for a combined display recep : en
  • US2075784A - Waste water heat recovery apparatus : en
  • USD103814S - Design fob a fountain pen clip or : en
  • DK52886C - Method for providing Copper or Copper alloy articles with a protective coating. : da en
  • DE643257C - Device for cleaning bottles or the like. : de en
  • FR810809A - New process for the execution of piles molded in the ground and apparatus for its implementation : en fr
  • FR810921A - Method of automatic translation of folded sheets in uninterrupted continuation of the folding operation, from the folder to the broaching machine, and device for the application of this method : en fr
  • GB463428A - Manufacture of polycyclic compounds from chrysene : en
  • GR6403B - INSTRUMENT FOR LISTENING TO THE LUNGS, HEART, ABDOMINAL viscera and SKULL. : el en
  • DK52873C - Teletype communication system. : da en
  • CH189851A - Device for the production of so-called "slub" fancy yarns. : en fr
  • CH190044A - Process for the preparation of a nitro dye. : de en
  • FR810858A - Copy or reproduce machine : en fr
  • CA365109A - Ice cream freezer system : en fr
  • CH189826A - Heat pump designed as a compression refrigeration machine. : de en
  • GB463598A - Improvements in or relating to electrically driven hand-tools : en
  • US2075292A - Safety appliance for elevators : en
  • CH189905A - Device for regulating the phase angle of high-value resistors. : de en
  • PL24523B3 - A combination of a collar and a shirt and its fastening. : en pl
  • BE420189A - : en
  • US2075127A - Clarification of molasses : en
  • US2075466A - Method of electromagnetically separating ores : en
  • BE419776A - : en fr
  • US2075117A - Cutter bar guard resetting device : en
  • GB463518A - Fluid-controlling valves : en
  • DE643188C - Process for the production of rubber buffer heads on pneumatic tube sockets : de en
  • CH189854A - Weft breaker fork for looms. : en fr
  • CH189958A - Encapsulated connector. : de en
  • CA365132A - Lock key : en fr
  • CH190043A - Process for the preparation of a nitro dye. : de en
  • CH189825A - Heater. : de en
  • CH189961A - Gas pressure switch. : de en
  • CH189840A - Gas purifier with a water seal. : de en
  • CH189926A - Fastening bolts with longitudinal ribs. : de en
  • CH190026A - Voltmeter circuit arrangement for electric catenary traction vehicles. : de en
  • DK52889C - Marker for Specifying a Person's Meeting Time. : da en
  • CA365011A - Shoe : en fr
  • US2075281A - Smoker's pipe : en
  • DE643108C - Arrangement for achieving the correct operation of apparatuses based on the two-watt meter principle : de en
  • CH189914A - Device for recording the rate of a timepiece. : en fr
  • CH189921A - Combined sharpener for knives and scissors. : de en
  • CH189862A - Storage and transport container. : de en
  • DE643267C - Method for filling a cooker absorber for refrigerating machines working with solid, swellable absorbent materials : de en
  • GB463791A - Production of higher boiling hydrocarbons from olefines : en
  • DE643139C - Device for bringing about the siphon effect, especially in waste flushing tanks : de en
  • US2075207A - Sand dewatering apparatus : en
  • US2075712A - Start-stop telegraph : en
  • FR810988A - Device for closing the fluid or gas inlet or outlet ports with automatic flow rate adjustment : en fr
  • GR6400B - EXTRACTION METHOD AND EXTRACTION MACHINE. : el en
  • FR810907A - Fixing device for corrugated sheets, flat panels and the like on tubular metal constructions : en fr
  • GB463636A - Improvements in or relating to shoe upper conforming machines : en
  • US2075691A - Window stop : en
  • USRE20314E - Pencil : en
  • CH189882A - Process for dechlorinating liquids. : de en
  • DE643296C - Device for controlling hydraulic gears on machine tools : de en
  • ES143442A3 - A process for the manufacture of rubber mats combined or not with fabric. : en es
  • FR810876A - Device for the safe landing of air vehicles : en fr
  • US2075439A - Connecting device for harness or jack levers : en
  • DE643279C - Control air supply lines for the starting valves of multi-cylinder internal combustion engines : de en
  • FR810999A - Improvements to vehicles with folding running gear : en fr
  • US2075326A - Manometer : en
  • US2075406A - Gas range : en
  • FR810862A - Turbine or the like for the centrifugal separation of solids from liquids : en fr
  • GB463629A - Improvements in or relating to brakes : en
  • CH189867A - Process for the production of emulsions. : de en
  • FR810887A - Clutching and automatic disengagement device for couplings, in particular for the coupling placed between the engine and the transmission shaft entering the gearbox of a motor vehicle : en fr
  • FR810818A - Powerline transmission system : en fr
  • ES143456A1 - PROCEDURE, WITH ITS CORRESPONDING DEVICE, FOR THE MOLDING OF METALS : en es
  • PL24600B1 - Spatial goniometer. : en pl
  • US2075239A - Concrete form clamp : en
  • US2075527A - Telephone system : en
  • USD103911S - Design for a bottle : en
  • GB463584A - Improvements in door operating apparatus : en
  • US2075294A - Method of forming vehicle wheels : en
  • GB463395A - Improvements in or relating to mercury-vapour rectifier valves : en
  • FR810933A - Spur gear differential for controlling coaxially arranged half-shafts of land vehicle wheels : en fr
  • US2075499A - Switching device : en
  • US2075076A - Monoazodyestuffs : en
  • USD103917S - Combined jar cap and ashtray top : en
  • FR810949A - Process for the manufacture of decorative coatings in superimposed layers : en fr
  • GB463348A - Improvements in and relating to magnetic cores : en
  • FR810813A - Way to get bright daytime and notural views : en fr
  • PL24526B1 - A device for uniform admixture of one liquid to another in a defined ratio. : en pl
  • US2075169A - Apparatus for imprinting tax indicia on items : en
  • US2075587A - Automatic deflector and draft regulator : en
  • US2075397A - Hole lapping tool : en
  • PL24547B1 - A degassing furnace, in particular for the distillation of solid fuel, and an industrial furnace unit with such a furnace. : en pl
  • US2075353A - Separator for liquids and solids : en
  • US2075719A - Reversible fluid-distributing system : en
  • FR810775A - Moisture-proof insulating metal box for refrigerated, refrigerated and insulated wagons : en fr
  • FR810946A - Improvements to machines for gluing sole engravings : en fr
  • USD103899S - Design for a curtain : en
  • DE643093C - Bearing shell made of gray cast iron : de en
  • GB463350A - Condenser for acetic acid fumes rising from acetifiers : en
  • US2075026A - Manufacture of aliphatic anhydrides : en
  • US2075394A - Method of surfacing metallic rolls for rolling metals and apparatus therefor : en
  • US2075486A - Vulcanizing unit : en
  • US2075713A - Telegraph keyboard apparatus : en
  • USD103873S - Design for a textile fabric : en
  • FR810757A - Carrier body for vehicles and more especially for motor vehicles : en fr
  • GB463400A - Improvements in or relating to mechanism for indicating the movement and/or position of adjustable mechanisms on aircraft : en
  • GB463596A - Improvements in and relating to spring-covers and their manufacture : en
  • CH189837A - Process for the production of shatterproof laminated glass or similar products. : de en
  • CA365084A - Valve stem grinder : en fr
  • CH190042A - Process for the preparation of a nitro dye. : de en
  • US2075475A - Cultivator attachment : en
  • CH189823A - Metallic water return for bay closing. : en fr
  • CH189994A - Overlay receiver with automatic tuning correction. : de en
  • USRE20312E - Bailer : en
  • USD103855S - Design for an automobile heater or : en
  • CH189913A - Repeater watch. : de en
  • CH189839A - Wood fireplace. : en fr
  • US2075552A - Sock liner foot corrector : en
  • US2075611A - Electron discharge tube and the like : en
  • DE643261C - Glass lens plate for light signals : de en
  • DK52868C - Machine for screw twisting of profile wire. : da en
  • GB463724A - Improvements in or relating to propagating or tuning coils for the reception or transmission of radiated power : en
  • DE643245C - Device for carrying out the method for deburring fish : de en
  • FR810843A - Chain conveyor, especially for mine lanes : en fr
  • US2075685A - Detachable handle for cans or the like : en
  • US2075717A - Cathode ray tube : en
  • CH189830A - Device for cleaning, ozonizing and humidifying room air. : de en
  • GB463509A - Improvements in pedestrian barriers : en
  • USD103802S - Design for an electric wall bracket : en
  • US2075209A - Elevator for conveyer trucks : en
  • US2075737A - Locomotive stoker : en
  • CH189971A - Heavy oil burner. : en fr
  • GB463361A - Improvements in or relating to measuring devices for determining the inside diameters of elongated hollow chambers : en
  • US2075205A - Purification of alcohols : en
  • PL24565B1 - Thermostatic control device for low-pressure gas nozzles of internal combustion engines. : en pl
  • PL24625B1 - Method for the production of low-lime magnesia from dolomite. : en pl
  • US2075482A - Tractor scraper : en
  • FR810886A - Improvements to pressurized fluid brake devices : en fr
  • FR810906A - Fixing device for corrugated sheets for tubular metal constructions and the like : en fr
  • GB463370A - Improvements in or relating to electrical measuring apparatus : en
  • US2075004A - Copper-silicon-zinc-tin-lead alloy : en
  • US2075312A - Production of halogenated ethers : en
  • DE643263C - Device for plastering and grooving stoneware pipes : de en
  • CA365108A - Ascorbic acid production : en fr
  • CH189925A - Process for the production of colored images and characters on posters, packaging and the like. : de en
  • USD103809S - Design fob a slipper : en
  • CH189828A - Device on boilers intended for central heating systems. : de en
  • US2075060A - Snap fastener tape : en
  • CA365099A - Duplicating machine ink distributing means : en fr
  • DE643177C - Rangefinder for photographic equipment coupled to the lens setting : de en
  • GB463476A - Improvements relating to gear vacuum pumps : en
  • DE643249C - Dip mold with synthetic resin coating for the production of seamless rubber objects : de en
  • BE420246A - : en fr
  • CA365160A - Aircraft flight directing apparatus : en fr
  • US2075614A - Electric switch : en
  • US2075698A - Shaving implement : en
  • CH189997A - AC remote display device. : de en
  • CH189939A - Method and device for operating rail and road vehicles driven by an internal combustion engine. : de en
  • DK52894C - Hydraulic Auxiliary Machine. : da en
  • FR810800A - Leak gutter : en fr
  • US2075256A - Circuit isolating plug : en
  • CH189879A - Process for the preparation of a resinous condensation product. : de en
  • GB463362A - Improvements in precombustion chamber internal combustion engines : en
  • CA365095A - Wall covering : en fr
  • CH189883A - Method of tinning boilers with the help of gas flames. : de en
  • USD103881S - Design for a bird cage : en
  • US2075379A - Time delay oscillator : en
  • PL24581B1 - A method of softening celluloid and fiber derivatives. : en pl
  • PL24582B1 - A method for producing a waterproof cellulose material, and an apparatus for carrying out the method. : en pl
  • US2075414A - Garment : en
  • CA365111A - Electric switch : en fr
  • CA365125A - Scaffold : en fr
  • DE643203C - Process and device for the direct production of ready-to-cast cast iron from ores in the foundry : de en
  • CH189927A - Multi-disc brake for limited rotation angle. : de en
  • US2075330A - Engine : en
  • US2075020A - Goggles, spectacles, or the like : en
  • US2075198A - Delusion apparatus : en
  • US2075742A - Shaped bodies manufactured from an alloy of tungsten carbide or molybdenum carbide : en
  • CA365019A - Razor blade honer : en fr
  • CA365081A - Clothes washing machine : en fr
  • US2075173A - Process for desulphurizing hydrocarbons : en
  • FR810950A - Glass tube in which the level of a colorless or weakly colored liquid is visible by coloring : en fr
  • BE419856A - Color preparation process : en fr
  • CH189887A - Reproducing machine. : en fr
  • CH189999A - Combined timetable and orientation plan. : de en
  • PL24534B1 - Ratchet device for switching the attack of the worm gear. : en pl
  • US2075571A - Mechanism for drawing textile rovings : en
  • USD103920S - Design fob a chaib ob similab abticle : en
  • CA365150A - Paste tube clamp : en fr
  • CH189884A - Process for producing rust-protecting layers on iron surfaces. : de en
  • US2075333A - Treatment of paper : en
  • US2075488A - Electromagnetic switching device : en
  • DE643200C - Overmolding device for laundry kettle : de en
  • PL24622B1 - A method of producing an oxide coating on aluminum or alloy objects : en pl
  • CH190037A - Process for the production of an anthraquinone derivative. : de en
  • FR810953A - Cones control for reel spinning machines for the production of artificial silk : en fr
  • US2075257A - Receiver control : en
  • US2075568A - Inking mechanism for rotary printing machines : en
  • CH190040A - Process for the preparation of a nitro dye. : de en
  • US2075671A - Rolled paper feeder : en
  • USD103872S - Design for a range : en
  • US2075654A - Rotary engine, pump, or compressor : en
  • USD103831S - Design for a watch-bracelet or the : en
  • PL24579B1 - A device for regulating the air supply to the furnace in a solid fuel central heating boiler. : en pl
  • CA365050A - Sodium metasilicate hydrate purification : en fr
  • CH190046A - Process for the preparation of a nitro dye. : de en
  • US2075234A - Dowel for roadway expansion joints : en
  • US2075767A - Shiftable binder : en
  • CA365022A - Calcium aluminate processing : en fr
  • US2075129A - Combined bag rack and twine holder : en
  • US2075122A - Indirectly heated cathode : en
  • US2075180A - Kier : en
  • DE643266C - Device for regulating and approximately maintaining the salt content in steam boilers : de en
  • CH190049A - Permanent magnet and method of manufacturing this magnet. : en fr
  • CH189899A - Automatic locking device for firearms comprising movable parts with respect to fixed support parts. : en fr
  • FR810891A - Cabin-cupboard : en fr
  • CH189918A - Process for the production of frame molds for chocolate production and frame mold produced by this process. : de en
  • US2075249A - Closure for containers : en
  • US2075700A - Structural element : en
  • US2075065A - Display window : en
  • USD103837S - Design fob a clock case : en
  • CH189974A - Electrical connection device, in particular lamp holder. : de en
  • DE643218C - Device for lifting and moving heavy loads, especially loading containers : de en
  • PL24574B1 - Device for fixing steel helms on a schoolbag. : en pl
  • US2075371A - Process for dyeing animal fibers : en
  • CA365119A - Piston ring : en fr
  • CH189966A - AC rectifier device. : en fr
  • US2075061A - Combined water closet and bidet : en
  • US2075707A - Collotype process : en
  • GB464019A - Improvements in or relating to deposited rubber articles and the manufacture thereof : en
  • US2075298A - Display rack : en
  • US2075416A - Conveying mechanism : en
  • CA365123A - Loom harness : en fr
  • DE643216C - Device for copying lenticular films : de en
  • DE643230C - Compressed air sand spreader : de en
  • PL24572B1 - Handbag, transformable into a shopping bag. : en pl
  • US2075153A - Light filteis : en
  • DK52891C - Lock to Prevent Theft of Automobiles. : da en
  • USD103823S - Design fob a bottle : en
  • CH189892A - Apparatus for developing finger fluency. : de en
  • CH190057A - Process for the preparation of a cyclohexenylalkylhydantoin. : de en
  • CH189929A - Control installation for electric lift or lift. : en fr
  • CH189967A - Liquid jet rectifier. : de en
  • GB463363A - Improvements in taps or valves for controlling the flow of fluids : en
  • GB463628A - Improvements in relation to guns, rifles and other small arms and to cartridges for use therewith : en
  • CA365040A - Incandescent lamp base uniting apparatus : en fr
  • CH189827A - Radiator. : de en
  • BE420136A - : en fr
  • FR810845A - Gyroscopic navigation instrument : en fr
  • GB463356A - Improvements in or relating to hinged closures for petrol tanks : en
  • PL24590B1 - Elastic seating of motor vehicle bodies with transverse flat springs. : en pl
  • PL24618B1 - Electromagnetic rail brake. : en pl
  • CH189990A - Pressure telegraph receiver. : de en
  • CA365116A - Record-card-controlled business machine : en fr
  • DE643055C - Grid control for converters with gas or vapor discharge paths with arc discharge : de en
  • PL24544B1 - A method of making soap. : en pl
  • CH189894A - Roller skate. : de en
  • CH190028A - Back wall on a piece of furniture to sit or lie on. : de en
  • GB463603A - Improvements in or connected with fuel economisers and like heat exchangers : en
  • DE643181C - Insole-outsole combination : de en
  • DE643232C - Process for the production of a conductive shell of an airspace-insulated concentric line consisting of metal strips laid in helical lines : de en
  • CH189864A - Brush scraper for roller mills. : de en
  • FR810833A - Advanced walk called <second hand> for children : en fr
  • CA365076A - Lubricating oil processing : en fr
  • USD103834S - Fan housing : en
  • FR810824A - Process for the solidification of certain gases, starting from their liquids : en fr
  • GB463711A - Improvements in or relating to the manufacture of amines : en
  • US2075415A - Tube tester : en
  • US2075461A - Ventilator for windows and the like : en
  • US2075534A - Mouth prop : en
  • DE643109C - Process for the production of therapeutically usable solutions from drug extracts : de en
  • FR810772A - Improvement in aircraft photographic machine guns : en fr
  • FR810796A - Improvements to insulating and soundproof ceilings : en fr
  • GB463402A - Machine for hackling, spreading and drawing manilla, sisal and like hard fibres : en
  • GB463372A - Improvements in or relating to processes for manufacturing luminous substances : en
  • DE643299C - Rohrrücklaufgeschuetz with box or spreading carriage : de en
  • DE643148C - Self-regulating transformer : de en
  • GR6406B - HORIZONTAL DOUBLE PRESSURE HYDRAULIC OIL PRESS. : el en
  • GB463435A - Improvements in washing-boilers, boiling pans and the like : en
  • CH189850A - Process for making a yarn from flax, hemp, jute or ramie. : de en
  • GB463336A - Improvements relating to the letting off mechanism of looms for weaving : en
  • US2075047A - Photographic emulsion containing supersensitized pseudocyanines : en
  • US2075462A - Venetian blind : en
  • US2075607A - Molding apparatus : en
  • CH189872A - Process for the preparation of a dye of the anthraquinone series. : de en
  • CH189996A - Electronic device for television transmitters. : en fr
  • DE643174C - Method and device for the production of hinged-lid boxes made of cardboard o. : de en
  • GB463515A - Improvements in the manufacture of stabilised diazo compounds : en
  • US2075309A - Christmas tree stand : en
  • US2075385A - Method of heat treating sheets : en
  • US2075096A - Fireproof bus body : en
  • US2075361A - Bearing : en
  • US2075688A - Electrolytic apparatus : en
  • FR810804A - New process for hardening castings : en fr
  • DE643098C - Chubb lock with two vertically stacked tumbler groups and a key with two independently rotatable blades : de en
  • US2075659A - Apparatus for preventing ice accumulation on aircraft : en
  • US2075643A - Volume control and noise suppression system : en
  • DE643205C - Multipole overcurrent toggle switch : de en
  • CH189915A - Transformer with choke coil for electric arc welding. : de en
  • US2075202A - Electron discharge tube : en
  • DE643111C - Card filing device for machines for processing payment cards : de en
  • USD103853S - Design fob a cap ob similar article : en
  • US2075510A - Process and apparatus for the treatment of gases : en
  • ES143439A1 - Plow-sower. : en es
  • US2075284A - Gas meter bellows : en
  • US2075651A - Internal combustion engine control : en
  • US2075111A - Wire guide control : en
  • DE643015C - Circuit arrangement for the transmission of impulses with the help of frequencies lying in the speech range via connecting lines in telephone systems with dialer operation : de en
  • GB463594A - Improvements in and relating to spring latches or bolts : en
  • US2075032A - Clutch control mechanism : en
  • US2075185A - Portable drill mounting : en
  • US2075590A - Golf green or the like : en
  • PL24575B1 - Ktr5T ~ hrt8- A hydraulic pedal with several specific fluid circuits. : en pl
  • US2075557A - Combined typewriting and comput : en
  • GB463468A - Improvements in or relating to electrically-operated fastener-applying devices : en
  • US2075030A - Toilet : en
  • US2075299A - Pressing machine : en
  • USD103901S - Design for a lace tablecloth : en
  • CH189873A - Process for the production of a new sulfur-containing dye. : de en
  • PL24587B1 - An exhaust device for increasing the draft in steam engine chimneys by means of exhaust steam. : en pl
  • US2075016A - Sheet feeding machine : en
  • US2075253A - Hydrohalogenated vulcanized butadiene bodies : en
  • US2075290A - Piston : en
  • CA365075A - Hydrocarbon oil processing : en fr
  • US2075407A - Cooking device : en
  • USD103843S - Design fob a traffic line marker : en
  • US2075395A - Trousers construction : en
  • US2075516A - Multiple fuse and signal plug : en
  • US2075662A - Corrugated fabric and method for making same : en
  • US2075490A - Relay mounting : en
  • US2075550A - Rubber glove : en
  • GB463555A - Improvements in door springs : en
  • GB463851A - A process for preparing isooctane : en
  • FR810908A - Device for fixing wooden shelves or other similar parts to tubular metal shelves or similar constructions : en fr
  • US2075336A - Traveling sprinkler : en
  • US2075601A - Heating of fluids : en
  • US2075497A - Smoking pipe : en
  • US2075648A - Power plant : en
  • DE643264C - Process to increase the baking quality of flours : de en
  • US2075495A - Door lock : en
  • US2075139A - Jacquard apparatus for flat knitting looms : en
  • US2075225A - Humidity control for refrigerating mechanism : en
  • CA365103A - Indicating fuse : en fr
  • DE643201C - Method and device for preventing the smearing of printed paper webs : de en
  • FR810821A - Transmission and steering mechanism for automobiles : en fr
  • FR810844A - Spinning Fishing Reel : en fr
  • FR810939A - Microphone refinements : en fr
  • CA365014A - Saw, cutter bar and tool manufacture : en fr
  • US2075275A - Plow : en
  • US2075785A - Motorcycle : en
  • DE643262C - Expandable core for extrusion presses : de en
  • US2075029A - Flush valve : en
  • PL24616B1 - Stabilization device for aircraft. : en pl
  • US2075132A - Network system of distribution : en
  • US2075332A - Apparatus for the electrodeposition of metal : en
  • DE643269C - Glow lamp, especially for TV reception or sound film recording, with artificially cooled hollow cathode : de en
  • CA365033A - Carbureter : en fr
  • CH189863A - Device for molding butter. : de en
  • CH190001A - Suspension device for soup sausages or the like. : de en
  • GB463391A - Machine for twisting profile wires : en
  • GB463429A - Improvements in electric switches applicable to railway signalling : en
  • GB463579A - Improvements in or relating to sealing means for engine valves : en
  • US2075236A - Heat exchange apparatus and element or plate therefor : en
  • CA365136A - Heating apparatus for rod, bar or tube ends : en fr
  • US2075010A - Dry cleaning apparatus and fluid circulating system therefor : en
  • DE643231C - Device for stranding several pre-twisted sector conductors together : de en
  • US2075211A - Automatic clutch mechanism : en
  • US2075345A - Frame for holding detachable covers with special reference to dust mops : en
  • DE643253C - Chopping machine with fertilizer spreading device : de en
  • US2075182A - Plow tip : en
  • DE643170C - Electric totalizer : de en
  • DE643268C - Brake control for electric traction vehicles : de en
  • US2075036A - Air conditioning apparatus and process : en
  • US2075765A - Liquid xylylheptadecyl ketones and process of preparing the same : en
  • US2075138A - Pantograph lubricator : en
  • FR810989A - Method for modifying the internal pneumatic state of hollow elastic bodies : en fr
  • GB463437A - Improvements in or relating to wood pulp adapted for chemical use : en
  • GB463569A - Improvements in the manufacture and production of unsaturated hydrocarbons : en
  • US2075509A - Copper base alloys : en
  • US2075364A - Convenience light fixture : en
  • US2075683A - Image frequency rejection system : en
  • US2075321A - Control mechanism for empty and load brakes : en
  • BE420058A - : en fr
  • GB463500A - Improvements in apparatus for the damping of textile fabrics, paper and the like : en
  • CA365130A - Lock key : en fr
  • CH190016A - Device on oscillating axle drives to support the toothed gear parts that roll on one another when they oscillate. : de en
  • US2075245A - Rotary sign : en
  • US2075786A - Rotary internal combustion engine : en
  • FR810839A - Refrigerated cabinet : en fr
  • FR810898A - Improvements to high frequency power transmission lines : en fr
  • CA365054A - Ceramically bonded abrasive article manufacture : en fr
  • GB463367A - Improvements in or relating to rotary brushes : en
  • GB463575A - Improvements in or relating to the storage of fruit, vegetables and the like : en