• US2520601A - Polymerization promoters : en
  • US2520747A - Fluid current drier for grass and the like : en
  • CH270231A - Suction device for vacuum cleaners. : de en
  • CH270358A - Small generator for generating electricity for lighting and heating for vehicles. : de en
  • US2520549A - Spout, including a split circular channel-shaped attaching band : en
  • US2520738A - Posting tray : en
  • AU146139B2 - Improvement in refrigerating systems : en
  • CH270192A - Machine for countersinking fine stones. : de en
  • CH270464A - Power plant with continuously variable transmission. : de en
  • DE1612599U - MOUNTING STRIP FOR FLUORESCENT LAMPS. : de en
  • DE1612682U - CORD SWITCH. : de en
  • DK71415C - Directional antenna system. : da en
  • US2520354A - Air operated apparatus for cleaning small parts by jiggling in a turbulent cleaning solution : en
  • AU3528350A - Improvements in speed governors : en
  • AU3530350A - Improvements relating tothe sterilization of liquid foodstuffs and beverages : en
  • CA467720A - Direct coupled automatic release tractor ploughs : en fr
  • US2520313A - Fence : en
  • AU3526050A - Improvements in or relating to axial flow turbines and compressors : en
  • US2520495A - Shear press back gauge : en
  • US2520500A - Switch-operating means for bin alarms : en
  • USD159930S - Ross automotive vehicle steering wheel and horn ring assembly : en
  • FR964925A - : fr
  • FR965020A - : fr
  • GB642109A - Improvements in or relating to thermally responsive electric circuit controlling devices : en
  • US2520240A - Cathode-ray tube : en
  • DE1612573U - BENDING DEVICE FOR TUBE, ROUND, FLAT AND SQUARE EDGE MATERIAL. : de en
  • US2520659A - Artificial limb and method of making the same : en
  • FR964934A - : fr
  • SE129285C1 - : en sv
  • US2520149A - Process for producing olefins : en
  • SU85515A1 - A method of making color cartoons or slides : en ru
  • US2520751A - Reaction motor with fluid cooling means : en
  • DE800085C - Pattern setup on circular knitting machines : de en
  • ES193428A3 - A GASOLINE STARTING DEVICE FOR DIESEL ENGINES : en es
  • DE1612578U - RAIL FASTENING. : de en
  • US2520341A - Resilient mounting for phonographs : en
  • SU82249A1 - A method of making extrusions and surges in a single exposure : en ru
  • US2520286A - Twine cutting machine : en
  • US2520267A - Grinding machine : en
  • US2520314A - Fence : en
  • US2520567A - Sign fabricating stencil : en
  • CH270197A - Secret lock. : en fr
  • DEK0000263MA - Industrial furnace gas combustion : de en
  • CH270186A - Device intended for heating purposes, in particular for the production of hot water and steam. : de en
  • AU3539050A - Improvements in and relating to speed indicating devices with reduction gearing : en
  • CH270212A - Rail holders, in particular for clothes rails. : de en
  • US2520260A - Emergency traction device for vehicle wheels : en
  • US2520652A - Adjustable tool handle : en
  • US2520698A - Trailer for hauling automobiles : en
  • USD159891S - Chevalier crucifix : en
  • DEP0056012DA - Pot oven for burning lime and producing pure carbon dioxide. : de en
  • FR965013A - : fr
  • DE1612657U - TOTO DIALER. : de en
  • ES24127U - Device for making long cuts on paper. (Machine-translation by Google Translate, not legally binding) : en es
  • CH270333A - Volumetric rotary compressor. : en it
  • AU2959149A - Improved supporting or mounting means for upholstery springs : en
  • CA467588A - Elastic snap ring fasteners : en fr
  • DE1612669U - DEVICE FOR HOLDING WATCHES, IN PARTICULAR WRISTWATCHES OR THE LIKE. : de en
  • GB642282A - Improvements in fishing reels : en
  • CA467636A - Combined brake beams and brake heads : en fr
  • CA467654A - Control circuits : en fr
  • AU3527250A - Improvements in thermally operated electric switches : en
  • GB642180A - Improvements in and connected with filters : en
  • FR964979A - Improvements to aralkyl carbonates and their preparation process : en fr
  • CH270309A - Press casting machine. : de en
  • CH270215A - Sealed tin can. : en fr
  • AU150824B2 - Air delivery devices for ventilating apparatus : en
  • AU3537150A - Method of forming molds for casting thermosetting transparent enclosures : en
  • CA467617A - Printing machines : en fr
  • CH270189A - Refractory product. : en fr
  • US2520819A - Sanitary toothbrush holder : en
  • US2520497A - Contact for small diameter telescopic antennas : en
  • US2520718A - Material spreading apparatus : en
  • US2520872A - Flush-type bulb for thermosensitive tube systems : en
  • US2520578A - Oven : en
  • US2520242A - Confection dispensing and container covering apparatus : en
  • US2520779A - Steerable sled : en
  • GB642146A - Improvements in or relating to circuits for operating on electric waves : en
  • FI24540A - Anordning vid apparater för befuktning av air : en fi
  • GB642196A - Improvements in or relating to shoes or methods of making the same : en
  • DE1612362U - MECHANICAL PENCIL WITH REFILL CAP. : de en
  • DE1612372U - FRAMELESS WRAPPING AND TAPE BOARD. : de en
  • US2520540A - Scum breaker : en
  • CH270339A - Injection device for internal combustion engines. : de en
  • DE1612379U - ICE CREAM MACHINE WITH REVOLVING KETTLE. : de en
  • PL34142B1 - : en pl
  • US2520126A - Expansible shaft : en
  • US2520148A - Ultra high frequency apparatus : en
  • US2520331A - Anacardic-chloroanacardic : en
  • US2520734A - Transmission operating means : en
  • DE1612587U - LATCH FOR TIP-PROOF ACCUMULATORS. : de en
  • CH270266A - Method and device for the continuous production of a fibrous web. : de en
  • DEP0034146DA - Axis control for bogies : de en
  • FR964956A - : fr
  • CA467677A - Vinylidene fluoride copolymers : en fr
  • CH270250A - Process for preparing 1,1,1,3-tetrachloropropane. : en fr
  • US2520365A - Auto mirror bracket : en
  • US2520657A - Ventilating system for dry closets and septic tanks : en
  • US2520229A - Machine for breaking up surface material : en
  • US2520183A - Process of making cheese : en
  • US2520756A - Exhaust silencer for internalcombustion engines : en
  • CA467590A - Grinding wheel dressing mechanism : en fr
  • DE1612513U - INTERIOR FOR PACKAGING BOX. : de en
  • DEP0001016DA - Process for the preparation of the acid sulfuric acid esters of alkanolamines : de en
  • AU3537550A - Water impermeable films comprising a coated regenerated cellulose base and their manufacture : en
  • CH270365A - Electric pressure gas switch. : de en
  • DE800087C - Device for automatic bobbin change in winding machines, in particular rayon bobbin spinning machines, with distribution roller drive for the bobbins : de en
  • GB642199A - Improvements in, or relating to, induction furnaces : en
  • GB642247A - Improvements relating to the hydraulic transmission of power : en
  • DEP0013991DA - Self-tightening drill chuck : de en
  • DESC001243MA - Conveyor system for bulk goods that works with suction and compressed air, especially for mills. : de en
  • ES24115U - Tumbling toy (Machine-translation by Google Translate, not legally binding) : en es
  • DE1612359U - LUGGAGE HOLDER FOR BICYCLE. : de en
  • GB642264A - Improvements in or relating to electric heating units : en
  • GB642336A - Improvements in or relating to railway vehicle bodies : en
  • GB642344A - Improvements in or relating to radio receiving apparatus : en
  • US2520883A - Container for liquefied gases : en
  • FR965036A - : fr
  • GB642359A - Improvements in or relating to a method of treating a tow of filaments or threads ina limited space : en
  • DE1612408U - ARTIFICIAL HORN PANELS. : de en
  • DE1612531U - CHEWING GUM ALSO USED FOR INFLATING. : de en
  • CA467776A - Closures for exhaust pipes : en fr
  • SU85287A1 - Device for loading label-glue machines with coils : en ru
  • US2520389A - Roasting rack : en
  • DESC001772MA - laundry detergent : de en
  • FR965030A - : fr
  • CA467748A - Measurement of light values : en fr
  • CH270279A - Continuous operation apparatus for photographic reproduction of documents. : en fr
  • CH270349A - Flame tube for gas turbine combustion chamber. : de en
  • DE1612637U - SYNC FLASH LAMP. : de en
  • GB642134A - Preparation of quinazolones : en
  • USD159902S - Clock case ob similar article : en
  • DE1612501U - Single-axle transport trolley for boxes or the like : de en
  • DE1612570U - EQUIPMENT AT SILOS FOR THE QUICK DRAINAGE OF THE GRAVEL AND SAND THAT ARE ADDED BY THE EXCAVATION. : de en
  • DEP0055147DA - Sports ball : de en
  • US2520303A - Knockdown shipping container : en
  • US2520507A - Kinescope for simultaneously picking up an object and presenting an image : en
  • US2520542A - Automatic gas burner control : en
  • US2520136A - Superregenerative receiver for electromagnetic waves : en
  • US2520211A - Shoe sewing machine : en
  • GB642251A - Improved thread-furnishing mechanism for winding and other textile machines : en
  • ES192491A1 - A MIXED PLOW : en es
  • FR965080A - : fr
  • AU3537450A - Improvements in or relating togas and/or vapour discharge tubes : en
  • GB642103A - Improvements in brooms, brushes and other sweeping and brushing implements : en
  • US2520278A - Means and method of putting mercury in evacuated tubes : en
  • US2520376A - Layerized high dielectric constant piece for capacitors and process of making the same : en
  • US2520165A - Roll-shaper supporting bracket : en
  • US2520367A - Arranger for carbon and typewriter paper : en
  • US2520466A - Guide means : en
  • SU83967A2 - Sliding trolley on six balancers : en ru
  • US2520168A - Method and apparatus for fiberizing molten material : en
  • US2520219A - Signaling device : en
  • US2520703A - Disposal of waste cyanide : en
  • DE1612521U - SWIMWEAR. : de en
  • US2520817A - Clip pin : en
  • FR965066A - : fr
  • GB642083A - Improvements relating to cathode ray tubes : en
  • CA467671A - Polymerization of chloro-ethenoids in presence of aliphatic carboxylic acids : en fr
  • USD159923S - Brooch or similar article : en
  • FR964908A - : fr
  • DE1612389U - PLATE HOLDER : de en
  • DE1612516U - CHEESE CLOTH DRYING RACK. : de en
  • GB642321A - Improvements in or relating to the treatment of coconuts : en
  • US2520151A - Adjustable-electrode arc welding torch : en
  • US2520489A - Means for exact reading of the phase position of an arbitrary impulse in a periodically recurrent series of impulses : en
  • US2520806A - Welding electrode : en
  • GB642082A - An electric arc-welding device : en
  • GB642281A - Improvements in or relating to oil or like containers : en
  • ES24028U - Rigid link device for telescopic fork tubes for front bicycle wheels (Machine-translation by Google Translate, not legally binding) : en es
  • DE1612522U - HAND DEVICE FOR SEAMING SEAMS ON CLOTHES. : de en
  • DE1612688U - CABINET FOR ELECTRICAL EQUIPMENT. : de en
  • DK71427C - Apparatus for batch delivery of lubricants. : da en
  • US2520631A - Radio tuning system : en
  • FR965010A - : fr
  • US2520855A - Closure operator : en
  • US2520885A - Dry shaver with hair receiving receptacle : en
  • US2520825A - Reverse flow countercurrent condenser : en
  • GB642341A - Improvements relating to voltage control circuits : en
  • ES190878A1 - A NEW FLOOR FORGING SYSTEM : en es
  • GB642310A - Improvements in or relating to frequency discriminators : en
  • CH270183A - Sectional radiators. : de en
  • US2520251A - Relay actuating device for automatic phonographs : en
  • US2520297A - Tiltometer system : en
  • US2520586A - N-substituted carbamic acid esters : en
  • US2520709A - Control switch : en
  • DEP0002772BA - Manufacture of transformer steel : de en
  • US2520736A - Gun turret : en
  • FR965075A - : fr
  • GB642102A - Apparatus for maintaining in predetermined ratio the volumes of liquid in two containers : en
  • GR12587B - ARTIFICIAL SHARPENING SHARPEN FOR MINUTE CUTTER TOOLS. : el en
  • ES24083U - Band inverter for secret telephony. (Machine-translation by Google Translate, not legally binding) : en es
  • AU150825B2 - Improvements in or relating togas and/or vapour discharge tubes : en
  • DE800073C - Discharge device for the sediment from processing machines : de en
  • US2520427A - Razing tool : en
  • USD159899S - Gun sight : en
  • CA467634A - Sleeping car arrangements : en fr
  • ES24065U - Useful for sharpening knives and cutting glass (Machine-translation by Google Translate, not legally binding) : en es
  • US2520667A - Grain separator : en
  • US2520568A - Governing mechanism for extracting type turbines : en
  • DE1612506U - HAND GAME MACHINE. : de en
  • GB642148A - Improvements in the production of surface designs on thermoplastic sheet materials : en
  • GB642235A - Improvements in and relating to clothes washing machines : en
  • GB642302A - An automatic airscrew and air speed control unit governed by air speed pressure for single or multi-engine aircraft : en
  • DE1612617U - RECTANGULAR CLOSING PLATE WITH DIAGONAL STRUT. : de en
  • US2520526A - Contact device : en
  • DE1612530U - LEG SUPPORTS FOR GYNAECOLOGICAL EXAMINATIONS. : de en
  • DEP0002694DA - Screw connection with wire helix nut : de en
  • AU145566B2 - Filter assembly : en
  • PL34162B1 - : en pl
  • GB642137A - Improvements in boiling pans : en
  • US2520111A - Terminal structure for electric cable systems : en
  • US2520616A - Spring hinge : en
  • US2520676A - Surface grinder attachment for milling machines : en
  • US2520175A - Liquid dispensing machine with means for controlling the pressure at point of discharge : en
  • US2520377A - Swing seat : en
  • US2520637A - Apparatus for heat-treating granular materials : en
  • ES24077U - Apparatus for the manufacture of helical furniture. (Machine-translation by Google Translate, not legally binding) : en es
  • FR965096A - : fr
  • GB642119A - Improvements in or relating to luminescent signs : en
  • DE1612442U - BENDING DEVICE FOR REINFORCED CONCRETE STRAPS. : de en
  • GB642186A - Improvements in or relating to electrical relays : en
  • GB642313A - An apparatus for plastering : en
  • DE1612409U - TOTO TYPING DEVICE. : de en
  • DE1612502U - LEVER-Crank. : de en
  • DE1612593U - RETRACTABLE OIL-LOW CIRCUIT-BREAKER WITH PROTECTIVE COVERING. : de en
  • DE1612681U - DEVICE FOR KINKING INSULATING STRIPS. : de en
  • DEP0015806DA - Device for separating dust from gases : de en
  • DEP0055708DA - Movable cab for cable excavators : de en
  • SU84909A1 - Mechanism for synchronous change of pitch of coaxial propellers : en ru
  • US2520243A - Illuminated sign : en
  • AU3027149A - Improvements in fittings for fluorescent lamps : en
  • CA467613A - Shoe heels : en fr
  • AU3534450A - Method of and apparatus for splicing rubber : en
  • US2520156A - Process for the manufacture of folic acid : en
  • USD159886S - Becker cup : en
  • US2520157A - Nursing nipple : en
  • US2520643A - Cap : en
  • DE1612579U - VIBRATION CIRCUIT COMBINATION. : de en
  • GB642195A - Improvements in or relating to moulds for use in building walls : en
  • AU3531250A - Electrical current generating and distributing means adapted for use in internal combustion engine ignition systems orthe like : en
  • DE1612360U - BICYCLE SUSPENSION. : de en
  • US2520862A - Air separation process : en
  • US2520527A - Conveyer : en
  • US2520774A - Electric iron : en
  • DE1612677U - SIGNAL LANTERN. : de en
  • CA467643A - Circuit interrupters : en fr
  • CH270462A - Process for the preparation of a heterocyclic amine salt. : de en
  • DE800110C - Boat davit : de en
  • US2520373A - Turbine blade and method of making the same : en
  • AU3074049A - Improvements in or relating to radar systems : en
  • AU3526150A - An artificial tooth, the enamel portion ofwhich comprises the copolymerisation product ofan olefinic substance andan unsaturated polyester : en
  • SU74694A1 - Collapsible scaffolding : en ru
  • USD159912S - Motion-picture projector : en
  • USPP977P - Meilland : en
  • BE495525A - : en
  • CA467707A - Agricultural instruments : en fr
  • DE1612367U - CHILDREN'S TOYS. : de en
  • DE1612432U - INDEPENDENT SPRING TROUSER TENSIONER. : de en
  • DE1612619U - BLOCK SPLITTING MACHINE. : de en
  • DE1612623U - WATCH STRAP. : de en
  • ES24041U - Coating of plastic materials intended to cover metal objects (Machine-translation by Google Translate, not legally binding) : en es
  • ES24060U - Shielded box model for electric power distribution systems. (Machine-translation by Google Translate, not legally binding) : en es
  • DE1612656U - MECHANICAL EDUCATIONAL GAME, DRIVING SCHOOL WITH AUTOMATIC ERROR DISPLAY. : de en
  • GB642269A - Packing materials comprising fluorine-containing polymers : en
  • CH270185A - Distributor-regulator. : en fr
  • DE1612633U - THREAD REEL TENSIONER. : de en
  • CH270455A - Automatic firearm with one-piece breech block. : de en
  • PL34151B1 - : en pl
  • US2520345A - Power lift for grain drills : en
  • GB642110A - Improvements in luges for winter sports : en
  • US2520115A - Servomotor for aircraft controls : en
  • GB642295A - Improvements relating to rectifier circuits : en
  • ES190937A1 - IMPROVEMENTS MADE IN THE PACKAGING AND SIMILAR : en es
  • ES24054U - Pacifier. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642311A - Improvements in and relating to heat-exchange apparatus : en
  • AU3532950A - Apparatus for textile printing : en
  • CA467699A - Vapour generators : en fr
  • CH270306A - Device for resetting an indicator member of a timepiece, in particular the seconds hand. : en fr
  • GB642265A - Improvements in scrubbers : en
  • US2520506A - Sectional wall cabinet : en
  • USD159907S - Kod gripping tool : en
  • USD159936S - Expansible bracelet : en
  • US2520121A - Lock screw or the like : en
  • US2520420A - Tank turret control : en
  • US2520668A - Game board for playing a simulated game of football : en
  • US2520896A - Fluid transmission connection : en
  • DE1612616U - BUILDING BLOCK, IN PARTICULAR HOLLOW BLOCK. : de en
  • FR964984A - : fr
  • DE1612496U - BRACKET FOR ADVERTISING FRAMES, IN PARTICULAR ON THE WINDOWS OF VEHICLES. : de en
  • US2520550A - Multiple cavity mold for single tube tires and the like : en
  • DEP0048338DA - Exchange tray for the rectification of liquid mixtures : de en
  • FR964989A - : fr
  • FR965091A - : fr
  • DE1612568U - SMALL CONCRETE MIXER WITH SWIVELING DRIVE MOTOR. : de en
  • FR964983A - : fr
  • AU147290B2 - Improvements in or relating to apparatus lor feeding materials to bucket conveyors : en
  • CA467785A - Enclosed dynamo-electric machines : en fr
  • PL34160B1 - : en pl
  • US2520280A - Nitbile substituted dithiocar : en
  • US2520517A - Apparatus for drilling wells : en
  • US2520618A - Overhead rolling door assembly : en
  • US2520726A - iota-cholesterylmalonic acid and derivatives thereof : en
  • IE19531L - Endless tracks for vehicles : en
  • US2520192A - Wool card rub apron : en
  • ES24068U - Foldable paper hat or similar. (Machine-translation by Google Translate, not legally binding) : en es
  • US2520216A - Snap action suction valve : en
  • US2520403A - Wire-wrapping machine : en
  • US2520384A - Furnace : en
  • DE1612541U - ASHTRAY. : de en
  • CA467704A - Cyclone dust separators : en fr
  • CH270221A - Machine for winding strands of yarn, for tying the beginning and end of each strand together and for folding the strands together. : de en
  • CH270228A - Embroidery process on fabric and embroidery obtained by this process. : en fr
  • AU147179B2 - An improved construction of revolving and adjustable chair for typists andother operatives : en
  • FR965086A - : fr
  • US2520746A - Ash tray : en
  • GB642225A - Improvements in or relating to securing means for linings for ceilings, walls and the like : en
  • PL34141B1 - : en pl
  • US2520422A - Continuous hydrogenation of unsaturated fatty acids and fatty esters : en
  • US2520432A - Viewer for transparent pictures : en
  • US2520554A - Lading strap anchor for freight cars : en
  • US2520585A - Branding chute for cattle : en
  • DE1612397U - ENVELOPE. : de en
  • GB642354A - Improvements in and relating to machines for beading and/or curling receptacle caps : en
  • FR964947A - : fr
  • GB642326A - Magnetic control system : en
  • DE1612465U - TIE BOARD. : de en
  • DE1612487U - DEVICE FOR PREVENTING GAME AND FEGE DAMAGE. : de en
  • DE1612525U - LID CLOSURE FOR WASHING MACHINES. : de en
  • DE1612511U - DOG FIGURES WITH STEEL MAGNETIC CORE AS PLAY AND JOKE ARTICLES. : de en
  • FR965076A - : fr
  • FR965095A - : fr
  • ES24067U - Brooch for purses cases and similar (Machine-translation by Google Translate, not legally binding) : en es
  • US2520273A - Window shutter : en
  • ES192383A1 - A FLEXIBLE RAIL SYSTEM FOR TRAINS OF TOYS AND THE LIKE : en es
  • DE1612583U - BRAKE FOR HOLDING SLIDING BODIES, IN PARTICULAR SCREW CORES OR THE LIKE. : de en
  • GB642271A - Improvements in or relating to a refrigerated transportation unit : en
  • FR964965A - : fr
  • DE1612519U - BOWL-LIKE VESSEL. : de en
  • FR964919A - : fr
  • GB642384A - Improvements in or relating to builders' fittings for use in erecting scaffolding and for other purposes : en
  • US2520131A - Selector switch carriage control means : en
  • US2520622A - Corn picker mounting frame : en
  • ES22618Y - Hanger : en es
  • GB642319A - Improvements in or relating to photographic roll film cameras : en
  • US2520322A - Mechanism for mounting sheet material on backing sheets : en
  • US2520338A - Azo compounds containing carboxyl and cyano groups : en
  • DE1612388U - INTERNAL KNOT FOR THE FABRIC-FRIENDLY KNOT OF THE SPRINGS : de en
  • GB642374A - Improvements in or relating to circular knitting machines of the independent needle type : en
  • DE1612382U - COFFEE GRINDER. : de en
  • ES24055U - Capsule for closing bottles and similar type containers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES192904A1 - A PROCEDURE FOR WATERPROOFING HOLLOW OBJECTS MADE OF FABRICS : en es
  • GB642387A - Improvements in or relating to scaffolding : en
  • GB642298A - Improvements in wipers for drill pipes : en
  • DEF0000728MA - Process for lining cylindrical bearing bodies with lead bronze alloy : de en
  • FR964966A - : fr
  • US2520749A - Motor-driven push-button tuner : en
  • BE495579A - Process for preparing a foaming agent. : en fr
  • CH270284A - Switch device for toy trains. : de en
  • ES24066U - Pieces or after continuous textiles with weft and warp to the bias with or without mpregnacºn (Machine-translation by Google Translate, not legally binding) : en es
  • FR965079A - : fr
  • PL34158B1 - : en pl
  • US2520701A - Adjustable head for golf clubs : en
  • PL34147B1 - Engine brake : en pl
  • PL34159B1 - Radio receiver, powered from an alternating current network and adapted to be supplied from a direct current network : en pl
  • US2520469A - Folding support : en
  • USD159919S - Munn handbag : en
  • DE1612661U - FREE FLYING TOY PLANE. : de en
  • ES192148A1 - A PRECISION SHADING MACHINE : en es
  • SU84802A1 - Champagne Bottle Unlocking Machine : en ru
  • US2520745A - Break-back mower : en
  • FR965048A - : fr
  • FR964969A - : fr
  • ES190892A1 - A ROTATING DEVICE FOR POPULAR RECREATION : en es
  • GB642100A - Improvements in or relating to lifting dogs and like appliances : en
  • US2520764A - Pickup device for corncobs and the like : en
  • DE1612470U - COOLING PLANT USING DRY ICE FOR REFRIGERATED GOODS. : de en
  • FR964942A - : fr
  • DE1612654U - BALL GAME. : de en
  • CA467587A - Filter elements : en fr
  • CA467638A - Mechanical finishing of textile materials : en fr
  • FR964917A - : fr
  • GB642393A - Improvements in connection boxes for electric conductors : en
  • DE1612671U - IRON MINE STAMP. : de en
  • ES24038U - Double elastic seal for counting and analogous pipettes. (Machine-translation by Google Translate, not legally binding) : en es
  • FR965024A - : fr
  • GB642239A - Improvements relating to fishing devices : en
  • US2520163A - Hand-operated seed planter with rotary agitator : en
  • US2520306A - Pressure balanced packing : en
  • US2520860A - Process for the production of water gas and like synthesis gases : en
  • GB642138A - Improvements in conductors batons : en
  • DE1612419U - SAND CATCHER FOR RAINFALL PIPES. : de en
  • FR964990A - : fr
  • GB642149A - Improvements in cable tensioning means for hoists : en
  • US2520394A - Apparatus for determination of moisture content : en
  • US2520233A - Decoy anchor : en
  • DE1612658U - PLAYING CARD HOLDER. : de en
  • GB642139A - Improvements in or relating to the production of organo-silicon compounds : en
  • CA467623A - Methods of preparing cyanuric chloride : en fr
  • US2520269A - Sheet metal lock nut wrench : en
  • US2520893A - Relief valve : en
  • DE1612557U - BICYCLE STAND. : de en
  • CH270456A - Talking machine with disc changer. : en fr
  • DK71416C - Navigation systems with a radar or pulse echo-scanning station. : da en
  • FR965044A - : fr
  • US2520293A - Mercaptoacetanilide derivatives : en
  • CH270173A - Process for ensiling green forage. : de en
  • GB642087A - Improvements in or relating to tuning arrangements for radio receivers : en
  • GB642290A - Improvements in and relating to electric kettles and the like : en
  • GB642303A - Improvements in electromagnetic apparatus for determining a direction : en
  • US2520480A - Frequency modulation receiver : en
  • US2520743A - Break-back implement attachment for tractors : en
  • ES24090U - An improved polishing device for photographic reproductions (Machine-translation by Google Translate, not legally binding) : en es
  • GB642346A - A process for the manufacture of heterocyclic bases : en
  • US2520309A - Foot and leg rest : en
  • US2520740A - Voting machine : en
  • GB642379A - Improvements in packing materials for stuffing boxes : en
  • FR965053A - : fr
  • GB642280A - Improvements in or relating to metal bobbins or spools : en
  • FR964911A - : fr
  • ES23885U - Table, perfected football distraction. (Machine-translation by Google Translate, not legally binding) : en es
  • AU2954349A - An improved compression pump : en
  • DE1612559U - HOLDING CLAMP, ESPECIALLY FOR BICYCLES. : de en
  • DEP0055369DA - Method and device for filling beverages under counter pressure. : de en
  • FR965011A - : fr
  • FR965074A - : fr
  • FR964958A - : fr
  • GB642242A - Improvements in means for recording and reproducing the moves in a game of chess or the like : en
  • DE1612376U - LINER. : de en
  • DE1612630U - TRANSPORT DRUM WITH HANGING SELF-ACTING CATTLE BATTERY. : de en
  • FR964931A - : fr
  • US2520206A - Silver brazing flux : en
  • ES24126U - Lipstick case. (Machine-translation by Google Translate, not legally binding) : en es
  • US2520604A - Microwave mode changer and integrator : en
  • FR964907A - : fr
  • DK71422C - Gas-fired water heater. : da en
  • CA467598A - Alternating current relays : en fr
  • CA467755A - Electric relays : en fr
  • US2520473A - Spring pressed center pin for lathes : en
  • USD159896S - Radio cabinet or similar article : en
  • CH270180A - Method and device for lifting and aligning tracks. : de en
  • CH270234A - Method and device for tying threads to punched strips to form sample cards. : de en
  • US2520205A - Toolholder : en
  • DEP0010552DA - Method for operating multi-cylinder internal combustion engines and device for its implementation : de en
  • FR964918A - : fr
  • GB642252A - Inserts for articles of plastic and similar materials : en
  • DK71424C - Weight for weighing live animals. : da en
  • GR12585B - CANNER OF BEVERAGES AND OTHER BEVERAGES OF CELLULAR MOVIES OF CINEMATO MOVIES. : el en
  • US2520317A - Bomb handling means : en
  • US2520488A - Lawn renovating machine : en
  • FR965052A - : fr
  • GB642178A - A thermal electric switch : en
  • DE1612445U - GLUING MACHINE. : de en
  • DE800102C - Hinge arrangement and gap seal, especially for motor vehicle doors : de en
  • GB642135A - Improvements in the imprinting mechanism of tabulating and like recording machines : en
  • GB642156A - Improvements in or relating to apparatus for assessing the amount of a gas of relatively high magnetic susceptibility contained in a mixture of gases : en
  • USD159925S - Brooch or similar article : en
  • GB642246A - Improvements in machines for continuously spinning textile fibres : en
  • CH270417A - Low oil signaling device. : en fr
  • CH270270A - Method and device for applying advertising images to corrugated cardboard. : de en
  • CH270288A - Device for the optical comparison of the profile of a workpiece with the enlarged profile of a model. : de en
  • DE1612554U - READY CONTAINER FOR FILTER RESPIRATORS : de en
  • US2520200A - Ram construction : en
  • US2520167A - Direction finder system : en
  • US2520245A - Air jet pin wheel : en
  • US2520441A - Switch : en
  • US2520263A - Method of separating sprues from molded articles : en
  • US2520704A - Kite : en
  • GB642367A - An improved method of, and means for, supporting and adjusting movable shuttering for use in the construction of walls or the like from concrete or similar material : en
  • DE1612385U - SELF-LOCKING CHAIN WINCH FOR GARMENT LIFT. : de en
  • DET0000131MA - Loudspeaker arrangement : de en
  • US2520381A - Condensation of ethylene oxide with carboxylic acid amides : en
  • US2520541A - Device for setting or checking gauges : en
  • US2520773A - Orthodontic device : en
  • CH270230A - Clothes dryer. : de en
  • CH270322A - Tool for inserting a part forming an external thread into a threaded bore. : de en
  • CH270301A - Process for depositing silicon dioxide films. : de en
  • GB642324A - Dry shavers : en
  • DE1612434U - COMPONENTS FOR THE PRODUCTION OF IRON CONCRETE CEILINGS. : de en
  • CA467752A - Alpha, alpha'-dithiocarbono-dialiphatic acids : en fr
  • CH270452A - Process for the preparation of an acidic disazo dye. : de en
  • GB642130A - Pulse-discriminating system : en
  • SU85378A2 - Pneumatic ratchet wrench : en ru
  • CA467786A - Series-coupled carriers : en fr
  • CH270248A - Process for dehumidifying gaseous media and system for carrying out the process. : de en
  • AU3536450A - Improvements in or relating to apparatus lor feeding materials to bucket conveyors : en
  • CH270269A - Stop device for the material to be processed, on paper block and cardboard drilling machines. : de en
  • US2520214A - Process for treating legumes to enhance coloration preparatory to freezing : en
  • US2520670A - Polyglycerols : en
  • US2520711A - Composition of crotyl cellulose and compatible butadiene copolymer : en
  • DE1612377U - PAPER HOLES. : de en
  • GB642375A - Improvements in or relating to electrical control equipment : en
  • CH270210A - Desk with at least one adjustable device for holding a bureau machine in order to be able to supply it when not in use. : de en
  • CA467672A - Production of polyvinylidene chloride : en fr
  • CH270372A - Protective device on a distribution line with several branches of an electrical installation. : de en
  • US2520324A - Apparatus for conveying and sorting tin plate or the like : en
  • DE1612626U - TOBACCO PIPE. : de en
  • PL34156B1 - : en pl
  • CH270394A - Process for the production of a footrest to be used as a shoe insert and device for performing this process. : de en
  • DE1612490U - FREE-WHEEL CRANKS, IN PARTICULAR FOR THE HANDBRAKES OF TRAMWARDS. : de en
  • ES22903Y - Universal use clinical mask for the application of analgesics through the respiratory route. : en es
  • CH270321A - Shaving head on dry shaver. : de en
  • BE495485A - : en
  • CA467650A - Circuit interrupters : en fr
  • DE1612479U - COVER GRID. : de en
  • BE497526A - : en fr
  • GB642181A - Improvements in or relating to radio beacons and beacon systems : en
  • US2520234A - Method of preparing y-hydroxy : en
  • DE1612561U - HARD FIBER PADDLE BOAT. : de en
  • DEP0009339DA - Circuit arrangement for hum compensation : de en
  • ES22633Y - Extendable bed adaptable to all kinds of furniture. : en es
  • DE1612613U - PNEW DEVICE. : de en
  • US2520447A - Device for accelerating electrically charged particles, such as electrons and ions : en
  • US2520887A - Forward rotor transmission for helicopters : en
  • US2520228A - Arrangement at centerless grinding machines : en
  • US2520460A - Game disk projector : en
  • CH270371A - Overcurrent fuse. : de en
  • DE1612605U - ELECTRIC FRATER. : de en
  • DEP0014881DA - Process for the production of plastics from silicon esters : de en
  • US2520276A - Halogenated compounds of the cholenic acid series : en
  • DE1612553U - LIGHT TRANSPARENT FOR BEER BUFFETS OR THE LIKE. : de en
  • DE1612634U - SYRINGE DEVICE FOR BAKERY. : de en
  • US2520664A - Safety rod for folding gates : en
  • SU84992A1 - Instrument for determining the magnitude of the beating of rotating parts : en ru
  • SU81186A1 - Nodal connection of wood trusses and similar structures : en ru
  • US2520446A - Thermostatic mixing valve : en
  • US2520884A - Clamp : en
  • US2520839A - Boiler : en
  • US2520467A - Receptacle and closure means therefor : en
  • US2520532A - Electrically heated oven : en
  • US2520820A - Safety shutoff for oil treaters : en
  • US2520374A - Fluid operated pressure intensifier : en
  • AU145337B2 - Method of and apparatus for splicing rubber : en
  • CH270241A - Process for the production of a shoe and shoe produced according to the process. : de en
  • CH270343A - Gas turbine engine. : de en
  • CA467679A - Processes for the preparation of thionyl chloride : en fr
  • DEP0000428DA - Method for gluing parchment paper to form artificial casings : de en
  • CH270181A - Ejection device on snow blowers. : de en
  • CH270261A - Process for preparing a copolymerized product. : en fr
  • CA467731A - Door operators : en fr
  • CA467782A - Dynamo-electric machines : en fr
  • ES24042U - Fuse cutout model. (Machine-translation by Google Translate, not legally binding) : en es
  • CH270275A - Device for setting the circumferential register on printing machines, in particular offset machines. : de en
  • CA467783A - Motor ventilation : en fr
  • DEP0037912DA - Filter device : de en
  • US2520236A - Signaling device : en
  • DE1612475U - STRAP FOR MINING LIGHTS. : de en
  • DE1612428U - ELECTRICAL CHRISTMAS TREE LIGHTING USABLE FOR ALL TYPES OF CURRENT. : de en
  • DE1612527U - CARRIER FOR WRAP OF YARN. : de en
  • GB642107A - Improved vacuum pans : en
  • CA467696A - Shoe construction : en fr
  • CH270401A - Teleprinter receiving device. : en fr
  • DE1612572U - LIGHTING EQUIPMENT WITH FLUORESCENT TUBES. : de en
  • DE1612676U - SEAT BARS. : de en
  • GB642202A - Printing press : en
  • AU144342B2 - Improved apparatus for performing finishing operations on moulded articles : en
  • AU3531450A - Handle and shaft assembly : en
  • BE495516A - : en
  • DEP0004598DA - Record game machine : de en
  • CH270170A - Liquid manure distributor intended for a hose installation. : de en
  • CA467612A - Containers with locking devices : en fr
  • GB642348A - Improvements in parallel rulers : en
  • ES193603A3 - A FLUID MIXING DEVICE : en es
  • CA467768A - Sliding windows, roof lights, ventilators, shutters, doors and the like : en fr
  • AU148757B2 - Improvements in or relating to power driven lubricating apparatus : en
  • AU3530250A - Launching arm for self-propelled projectiles : en
  • CH270236A - Glove. : en fr
  • US2520479A - Substituted piperazines and method of preparing the same : en
  • DE1612564U - TAPE MONITORING DEVICE. : de en
  • DEP0051538DA - Hydraulic transmission, in particular on motor vehicles : de en
  • FR965099A - : fr
  • GB642101A - Improvements in or relating to electroplating : en
  • US2520281A - Recoil simulator for shooting gallery apparatus : en
  • FR965002A - : fr
  • GB642309A - Improvements in and relating to electric motor control : en
  • DESC001557MA - Process for the production of seamless surfaces from asphalt or bitumen and aggregates. : de en
  • DE800091C - Roof hook : de en
  • DEP0042620DA - Small regulating transformer with taps on the secondary side : de en
  • GB642256A - Improvements in or relating to resilient collapsible containers : en
  • FR964923A - : fr
  • DE800105C - Wheel hub for motorcycles : de en
  • PL34150B1 - : en pl
  • DE1612405U - RISK STRAPS, IN PARTICULAR FOR SKI BOOTS. : de en
  • DE1612412U - HEADGEAR. : de en
  • DE1612484U - DEVICE FOR CALCULATING ANNUAL HOROSCOPES. : de en
  • DE800083C - Two-part sliding platform for passenger and freight cars : de en
  • GB642315A - Improvements in power transmission in jaw crushers : en
  • DE1612510U - SPEAKER FOR ANNOUNCING MESSAGES FOR RAILWAY BOOTS OF TOY AND MODEL RAILWAYS. : de en
  • US2520762A - Room ventilator : en
  • DE1612577U - CONTAINER FOR STORING AND SELLING ICE CREAM. : de en
  • GB642164A - Improvements in or relating to engine test benches : en
  • US2520387A - Hardness testing device : en
  • US2520525A - Magnetic switch : en
  • US2520553A - Radio reflection distance finder : en
  • US2520829A - Cylinder ridge reamer : en
  • US2520853A - Bread cubing machine : en
  • DE1612543U - OELKAENNCHEN. : de en
  • GB642163A - Improvements in and relating to refrigerant flow controlling devices : en
  • CH270207A - Convertible seating and reclining furniture. : de en
  • US2520201A - Stereotype plate casting machine : en
  • GB642151A - Improvements in and relating to a precision machine tool : en
  • GB642243A - Improvements in mechanism for the manufacture of elastic shape-knitted articles by using elastic weft threads, with or without elastic warp threads : en
  • US2520755A - Multiple tube heat exchanger : en
  • US2520838A - Emergency control apparatus for gentralized traffic control systems : en
  • US2520181A - Process of preparing amines and nitriles from ammonia and olefins : en
  • US2520253A - Ice upending machine : en
  • US2520633A - Optical system : en
  • GB642276A - Improvements in or relating to builders' hoists : en
  • ES18875Y - Rubber floor footwear. : en es
  • FR965025A - : fr
  • DE800119C - Handle attachment for AExte u. like : de en
  • US2520445A - Model railroad signal : en
  • US2520691A - Ornamental bubbling light : en
  • GB642177A - An improved process for the manufacture of fertilisers : en
  • CH270285A - Automatic firearm. : de en
  • US2520437A - Ornamental glass for picture and mirror mountings : en
  • US2520877A - Vacuum cleaner : en
  • ES24039U - Improved flask : en es
  • DE1612512U - HEADGEAR FOR Mardi Gras. : de en
  • US2520332A - Chlorinated anacardic compositions : en
  • US2520170A - Pulse responsive circuit : en
  • US2520450A - Portable tray stand : en
  • US2520611A - Diethers of polyoxyalkylene diols : en
  • US2520874A - Manually operable thermostatic switch assembly : en
  • FR965016A - : fr
  • GB642293A - Improvements in trucks or trolleys : en
  • DE1612485U - LIQUID TRANSPORT DRUM, IN PARTICULAR PUMP DRUM. : de en
  • US2520794A - Air-volume control mechanism : en
  • DEM0000512MA - Device for the automatic termination of the drying process when drying at temperatures above 100 ° : de en
  • LU30095A1 - : en
  • SU85646A1 - Method for measuring well curvature : en ru
  • DE1612452U - AIR PUSH BUTTON. : de en
  • DE1612639U - SNAP LOCKING FOR BIKES OF BABY CARRIERS OR THE LIKE. : de en
  • GB642317A - Improved oil well drawworks : en
  • DE800081C - Electrically insulating reinforced concrete sleeper : de en
  • SU85775A2 - Steam distribution mechanism for direct-acting compounding machine : en ru
  • CH270300A - Process for the production of an optical body provided with a thin coating, optical body produced by this process and apparatus for carrying out this process. : de en
  • US2520623A - Automobile ventilating device : en
  • ES192674A1 - A MACHINE FOR THE MANUFACTURE OF STAPLES FOR SEWING PAPERS AND ANALOGUES : en es
  • GB642316A - Improvements in or relating to polisher components for use in machines adapted for polishing floors and the like : en
  • US2520520A - Marine marker : en
  • US2520610A - Egg candling machine : en
  • FR964924A - : fr
  • DEP0055712DA - A warming cover for coffee, teapots or the like consisting of a padded cover. : de en
  • ES24114U - Toy (Machine-translation by Google Translate, not legally binding) : en es
  • GB642301A - Improvements in or relating to sound producers and receivers : en
  • FR965040A - : fr
  • PL34153B1 - : en pl
  • US2520639A - Grooving tool : en
  • FR965000A - : fr
  • ES192668A1 - A PROCEDURE WITH ITS CORRESPONDING DEVICE FOR THE CIEERE OF CONTAINERS : en es
  • DEB0000222MA - Adjustable device for holding spinning cake o. : de en
  • ES24097U - New articulation mechanism for dolls with movement (Machine-translation by Google Translate, not legally binding) : en es
  • ES24121U - Pacifier model with interior sponge. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642123A - Improvements in discharge chokes of continuous screw presses or expellers : en
  • FR964986A - : fr
  • DE800115C - Device for picking up the goods carried by the lower belt : de en
  • FR964938A - : fr
  • ES24085U - Electric drive device for automatic disengagement of wagons from toy trains. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642118A - Improvements in power plant : en
  • DE1612563U - WALL MONITORING DEVICE. : de en
  • FR964913A - : fr
  • FR964949A - : fr
  • GB642198A - Improvements in ditching and tile laying machines : en
  • GB642337A - Improvements in or relating to direct current motor control systems : en
  • USD159920S - Medicine spoon : en
  • US2520811A - Power line antenna : en
  • USD159922S - Brooch ob similar article : en
  • US2520428A - Center of gravity calculator : en
  • US2520503A - Electric light unit for use in connection with swimming : en
  • FR964995A - : fr
  • US2520426A - Hydraulic jack : en
  • DE800112C - Surface grinding and polishing machine : de en
  • AU154575B2 - Alkylsulfamyl benzoic acids : en
  • US2520513A - Fluorescent sign lamp : en
  • GB642214A - Improvements in cigarette or the like lighters : en
  • GB642357A - Improvements in or relating to processes of preparing cycloalkyl ethers of p-hydroxybenzoic compounds and the compounds resulting from said processes : en
  • CH270200A - Combustion system with at least one burner. : de en
  • DEST000811MA - Weather whistle : de en
  • FR965051A - : fr
  • DE1612698U - ATTACHMENT DEVICE ON SOIL WORKING EQUIPMENT FOR TRACTOR. : de en
  • PL34175B1 - : en pl
  • US2520577A - Apparatus for mixing molten glass : en
  • USD159888S - Bourner heater : en
  • US2520892A - Ice tray : en
  • CH270367A - Switchgear with exchangeable switch insert. : de en
  • AU3535650A - Amill for compounding, mixing and sheeting plastic material : en
  • CH270190A - Manufacturing process of cement clinker. : en fr
  • CH270303A - Static camera of so-called relief photography. : en fr
  • FR964926A - : fr
  • GB642204A - Manufacture of pigments : en
  • US2520347A - Cartoon toy : en
  • CH270187A - Electric heating element. : de en
  • CH270426A - Wagons, in particular for agricultural purposes. : de en
  • FR965067A - : fr
  • GB642168A - Improvements relating to couplings or fastenings for scaffolding and like poles : en
  • US2520370A - Control device : en
  • US2520584A - Armrest cover : en
  • US2520750A - I-acyloxy-z-butyne-x-ols : en
  • GB642105A - Improvements relating to the application of protective coatings such as enamel compositions to metal surfaces : en
  • DEP0001278DA - End caps of collectors, especially in the case of steam boilers : de en
  • DE1612621U - MICROSCOPE, IN PARTICULAR FOR THE EXAMINATION OF FIBER FIBER. : de en
  • DEP0036017DA - Cover for insulating layers : de en
  • US2520565A - Portable electrical highway signal : en
  • PL34146B1 - A device for regulating and controlling traffic by means of radio signals : en pl
  • ES24052U - Perfect floor for espadrilles and other footwear (Machine-translation by Google Translate, not legally binding) : en es
  • FR965058A - : fr
  • DEP0007747DA - Display device on film camera cartridges : de en
  • DE1612355U - HOLDER FOR CLEAR LENSES, IN PARTICULAR HEAVY WINDOWS. : de en
  • US2520215A - Union : en
  • US2520398A - Oil dispensing pump : en
  • US2520645A - Ship hull construction : en
  • USD159932S - Slip or similar article : en
  • ES190948A1 - A DIRECT ELASTIC SUSPENSION OF THE MOUTHPIECE SHAFT ON MILLING MACHINES : en es
  • ES22970Y - Seat with folding backrest for buses. : en es
  • FR964975A - : fr
  • DEP0002361BA - Welded gate valve body : de en
  • DEP0031083DA - Process for achieving a required concentration of the yield in the top of a cyclone : de en
  • GB642090A - Keyboard impulse transmitter for step-by-step printing telegraph : en
  • US2520830A - Space heater : en
  • USD159921S - Play pen for infants and children : en
  • ES192252A1 - ONE GASOLINE TWO STEP VALVE KEY : en es
  • US2520416A - Insertable sanitary unit for telephone transmitters : en
  • DE800096C - Straightening press for bent beams : de en
  • DE1612641U - LATCH LOCK, IN PARTICULAR FOR SLIDING WINDOWS, SLIDING DOORS AND THE LIKE. : de en
  • DE1612424U - KNITTED FABRIC. : de en
  • GB642159A - Improvements in or relating to the preparation of diphenyl ethers : en
  • US2520429A - Process for coloring aqueous emulsions of resins : en
  • US2520478A - Firing system for electric discharge tubes : en
  • CH270245A - Centrifugal liquid separator. : de en
  • SU82070A1 - Mine lifting machine brake : en ru
  • AU145929B2 - Rotary internal combustion engine : en
  • DE1612503U - BOARD WIPER. : de en
  • AU146797B2 - Improvements relating tothe feeding of moulding powder andthe like : en
  • CA467649A - Reclosing circuit interrupters : en fr
  • AU142093B2 - An improved compression pump : en
  • CH270375A - Relays comprising electronic discharge devices. : en fr
  • US2520462A - Recalibrating motor control apparatus : en
  • GB642323A - Kiln structure : en
  • AU149922B2 - Improvements in recording instruments suitable for use in echo sounding andother submarine signalling systems : en
  • CA467668A - Electric arc furnaces : en fr
  • DE1612602U - FUSE FOR BALANCING CORES. : de en
  • CA467757A - Cracking hydrocarbon oils : en fr
  • US2520727A - Transfer machine for bottles and like articles : en
  • CH270334A - Blade carrier in axial centrifugal machines. : de en
  • CA467749A - Suction rolls for paper-making machines : en fr
  • BE501970A - : en
  • CH270305A - Clock. : de en
  • CH270433A - Pivoting device, in particular for locomotives. : en fr
  • CH270454A - Automatic firearm with one-piece breech block. : de en
  • US2520352A - Automatic variable-speed transmission : en
  • US2520522A - Precut ice cream cake and method of making the same : en
  • US2520337A - Extruding machine : en
  • AU3532850A - An improved wrapping machine for newspapers andthe like publications : en
  • AU146646B2 - Improvements in portable power tools : en
  • AU145397B2 - Improvements in or relating to road making and road repairing apparatus : en
  • CH270402A - Electrical telecommunications installation. : en fr
  • CA467585A - Illuminating flares : en fr
  • BE495551A - MANUFACTURE OF CYCLIC ALCOHOLS AND THEIR ESTERS. : en fr
  • CA467790A - Dispersive agents and their production : en fr
  • AU2893949A - Improved apparatus for performing finishing operations on moulded articles : en
  • FR964976A - : fr
  • GB642160A - Improvements in or relating to apparatus for treating rubber : en
  • PL34148B1 - : en pl
  • US2520223A - Tonometer : en
  • US2520239A - Delivery system : en
  • US2520545A - Feeder with rockable oscillatable discharge element and oscillatable hopper agitating plates : en
  • AU153105B2 - Improvements in and relating tothe manufacture of cheese : en
  • FR964985A - : fr
  • GB642368A - Improvements in or relating to radio navigation systems : en
  • CA467761A - Antennae for broad frequency band operation : en fr
  • CH270418A - Collapsible umbrella. : de en
  • CA467609A - Grain distributors : en fr
  • CH270293A - Device for determining the torque of machines. : de en
  • US2520516A - Cyclic amines and method of making them : en
  • DE1612550U - SHEET FOR BOOKINGS WITH DETACHABLE STRIPES. : de en
  • US2520871A - Method and apparatus for drying material : en
  • DE1612351U - ADVERTISING FIGURINE FOR LADIES 'STOCKINGS. : de en
  • DE1612653U - DOMINO GAME. : de en
  • CH270407A - Device with group selector. : en fr
  • DE1612691U - MAGNET FOR MEASURING DEVICES. : de en
  • DE1612665U - ROTATING TUBE FURNACES, IN PARTICULAR FOR BURNING CEMENT CLINKERS. : de en
  • DE1612680U - ULTRA SHORTWAVE ANTENNA, IN PARTICULAR ROOM ANTENNA. : de en
  • CH270369A - Electric switch. : de en
  • DE1612371U - REDUCED SPORTS SHIRT. : de en
  • ES191010A1 - A CONTINUOUS PROCEDURE FOR THE SULFONATION OF ORGANIC PRODUCTS BY MEANS OF SULFURIC HYDROCHLORINE : en es
  • BE495669A - IMPROVEMENTS TO RECORDING AND SIMILAR DEVICES. : en fr
  • DE1612444U - FORMS FOR TRANSPARENT BOOKING. : de en
  • FR964936A - : fr
  • AU2940349A - Improved mechanism for numerically grouping booklets andthe like : en
  • CA467647A - Circuit interrupters : en fr
  • US2520320A - Process and apparatus for winning kaolin and the like : en
  • US2520455A - Surgical table with hydraulic adjusting system : en
  • CA467689A - Ultrahigh frequency power oscillators : en fr
  • DE1612524U - IRON JACKET. : de en
  • CA467644A - Low loss thermosetting resins : en fr
  • CH270182A - Radiant gas furnace. : de en
  • CH270315A - Drilling tool for making center holes. : de en
  • DE1612491U - VALVE LUBRICATION SCREW. : de en
  • GB642096A - Improvements in and relating to the production and refining of metals : en
  • GB642162A - Improvements in or relating to the ornamentation of workpieces : en
  • GR12584B - SHAVING DISINFECTANT SUBSTANCE ON THE STRIP. : el en
  • DE1612504U - WOOD HEEL. : de en
  • DE1612537U - PERMANENT CALENDAR. : de en
  • ES23767U - Device to avoid the glare of the driver of a vehicle by the light bulbs of another vehicle (Machine-translation by Google Translate, not legally binding) : en es
  • US2520237A - Warning signal for hydraulic brakes : en
  • FR965019A - : fr
  • DE800120C - Impeller for Kaplan turbines : de en
  • DE1612483U - SCALE FOR INCLINATION SCALES. : de en
  • DE1612664U - DRAGON WITH SOUNDING DEVICE. : de en
  • FR964993A - : fr
  • FR965028A - : fr
  • CA467736A - Tuning dial arrangements for radio apparatus and the like : en fr
  • FR964992A - : fr
  • GB642331A - Improvements in or relating to methods of preparing new resinous compositions from cyclopentadiene and liquid coating compositions containing same : en
  • DE1612697U - WOOD SHREDDING MACHINE WITH TRANSPORT DEVICE. : de en
  • DEP0024287DA - Process for controlling the setting process of mixtures of anhydrite, unfired gypsum (double hydrate) and cement activated with sulphate solutions. : de en
  • US2520196A - Transferring device : en
  • CH270376A - Capacitor. : en fr
  • AU3527350A - Improvements in lids for kettles andother water boilers : en
  • FR964959A - : fr
  • DE1612425U - WASHING MACHINE. : de en
  • ES24105U - Price marker perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • US2520795A - Harp construction for supporting electric lamp shades : en
  • CH270307A - Device on a spring drive mechanism for the automatic winding of the mainspring. : de en
  • US2520683A - Toy bank : en
  • ES190821A1 - AN IMPROVEMENT IN THE PROCEDURE OF CONDUCTING INK-REPELLENT MATERIAL TO THE CYLINDER-PRINTER OF FLAT PRINTING MACHINES : en es
  • GB642187A - Improvements in or relating to optical systems : en
  • GB642297A - Improvements relating to the securing of shafts in synthetic resin mouldings : en
  • FR964946A - : fr
  • FR964968A - : fr
  • GB642190A - Improved shaft bearing : en
  • GB642395A - Improvements in or relating to gumming or pasting machines particularly for use in connection with bookbinding : en
  • CH270299A - Device for speaking sets with automatic record changer and adjustable pause for changing two records. : de en
  • CH270387A - Liquid fuel burner. : en fr
  • DE1612481U - COMPONENT FOR DIFFERENT USES. : de en
  • DE1612581U - VOLTAGE PROTECTION DEVICE FOR TELEPHONE LINES. : de en
  • DE800095C - Belt drive : de en
  • DET0000084MA - Circuit arrangement for telephone private branch exchanges with preferred subscriber connections : de en
  • DE1612699U - COUPLING DEVICE ON TRACTORS FOR AGRICULTURAL ATTACHMENTS. : de en
  • US2520827A - Mixing machine : en
  • AU2893749A - Improvements relating tothe feeding of moulding powder andthe like : en
  • CA467629A - Altimeters : en fr
  • US2520308A - Frequency shift converter : en
  • US2520674A - Compressor unloader : en
  • US2520166A - Radio echo device for velocity determination : en
  • US2520307A - Foot massaging apparatus : en
  • US2520796A - Mechanical pencil having different leads selectable from magazines therein : en
  • US2520865A - Remote control and indication system : en
  • DE1612480U - SHELL CEILING FILLS. : de en
  • ES24103U - Board with table football game (Machine-translation by Google Translate, not legally binding) : en es
  • DE1612358U - BICYCLE STAND. : de en
  • ES24100U - Water sports safety device : en es
  • GB642209A - Improvements relating to bells for cycles and the like : en
  • GB642171A - Manufacture of metallisable monoazo dyestuffs and dyeings therewith : en
  • DE1612391U - GLARE DEVICE FOR PROJECTING STANDING IMAGES. : de en
  • GB642339A - Improvements relating to the agglomeration of iron ores : en
  • FR965046A - : fr
  • GB642291A - Improvements in or relating to caisson shells : en
  • DE1612415U - CIGARETTE RAPERS FORMED IN A BELTS, EACH OF WHICH THE LENGTH OF A LEAF IS GUMMED AND PERFORATED. : de en
  • GB642226A - Improvements in and relating to paper-dispensing cabinets : en
  • US2520362A - Quick-change slush nozzle : en
  • CA467706A - Vinyl polymers : en fr
  • DE1612532U - TRAFFIC SIGN OR THE LIKE MADE OF CAST LIGHT ALLOY MOLDED CASTING. : de en
  • DESC000918MA - Clip : de en
  • PL34163B1 - : en pl
  • FR965055A - : fr
  • GB642241A - Improvements in television receiving apparatus : en
  • GB642390A - Forging aluminium alloy : en
  • DER0001195MA - Steel bottle : de en
  • FR964910A - : fr
  • DE1612406U - HOOKS FOR SHOES. : de en
  • CH270359A - Clamp. : de en
  • GB642353A - Improvement in magnetic bearings : en
  • US2520453A - Bearing : en
  • US2520530A - Absorption refrigeration : en
  • US2520425A - Continuous hydrogenation of unsaturated oils : en
  • CH270196A - Toilet cistern with tilting vessel. : de en
  • FR965069A - : fr
  • FR965081A - : fr
  • GB642245A - Fibre board and the like containing resins : en
  • CA467740A - Hoists : en fr
  • ES24086U - Improved tap (Machine-translation by Google Translate, not legally binding) : en es
  • DE1612655U - MAGNETIC ATTACHMENT OF MOVABLE FIGURES. : de en
  • CH270256A - Protective coating, in particular for metal surfaces and process for preparing this coating. : en fr
  • DE1612696U - HEATING REGISTER. : de en
  • CH270184A - Electric water heater. : de en
  • DE1612394U - POWER TRANSFER WITH FLOW COUPLING. : de en
  • GB642314A - Improvements relating to selector switches for electrical resistance networks : en
  • GR12588B - METAL DISTRIBUTION SYSTEM. : el en
  • DE1612469U - PAY HAND COPY BOOK. : de en
  • FR964909A - : fr
  • GB642356A - Roller bearings : en
  • CA467711A - Scaffolding : en fr
  • CH270220A - Spindle drive device on a textile machine, in particular on spinning and twisting machines. : de en
  • CH270384A - Device for supporting and operating the cover of an electric oven. : en fr
  • DE1612603U - MASS CORE. : de en
  • US2520301A - Shoe and method of making the same : en
  • CA467721A - Methods of making dies for the injection moulding of plastics : en fr
  • ES190965A1 - AN APPARATUS FOR THE PNEUMATIC TRANSPORT OF ARTICLES IN BULK, ESPECIALLY CEREALS AND MILLING PRODUCTS. : en es
  • DE1612606U - CRAFT NEEDLES MADE OF PLASTIC WITH A STEEL INLAY. : de en
  • ES24057U - Porta-portraits and posters announcing (Machine-translation by Google Translate, not legally binding) : en es
  • GB642332A - Improvements in and relating to food-drying apparatus : en
  • US2520393A - 2-nitrophenyl dialkyl phosphates and thiophosphates : en
  • DE800111C - Device for lifting and moving sunken ships and other heavy loads : de en
  • FR964957A - : fr
  • GB642233A - Improvements in latches : en
  • GB642335A - Improvements in and relating to a method facilitating chemical processes by means ofelectrical discharges : en
  • US2520230A - Printing press ink control means : en
  • DE1612534U - HANDLE FOR CARRYING BAGS OF ALL KINDS, IN PARTICULAR BRIEFCASE. : de en
  • AU3533650A - Improvements relating to brake cylinders forthe vacuum brake apparatus of railway and like rolling stock : en
  • CA467608A - Scaffolding and like structures : en fr
  • US2520636A - Optical objective : en
  • DE1612458U - SHOE. : de en
  • DE1612686U - SOCKET AND SLIDING PLATE FOR SWITCH TOGGLE IN VEHICLE HEADLIGHTS OR SWITCH FRONT PANELS IN CARS. : de en
  • US2520470A - Process of treating fatty acids : en
  • US2520589A - Suction cleaner : en
  • US2520562A - Line advancer : en
  • CA467729A - Electric power cables : en fr
  • US2520529A - Pinking machine : en
  • CH270385A - Sheet metal frame to support an inverted incandescent sleeve. : en fr
  • CA467745A - Morpholine salts of sulphonated azo dye components and their preparation : en fr
  • CH270352A - Dispositif de réglage de la puissance d'un ensemble de machines synchrones. : de en fr
  • CH270332A - Centrifugal compressor for internal combustion engine. : de en
  • ES24117U - Hygienic container for prophylactic elements (Machine-translation by Google Translate, not legally binding) : en es
  • US2520128A - Litter rack : en
  • US2520675A - Mounting stud for junction boxes : en
  • CA467764A - Flash welder construction : en fr
  • CH270392A - Sports glasses. : de en
  • US2520327A - Cylinder mold papermaking machine : en
  • CH270171A - Potato harvester. : de en
  • US2520248A - Foot measuring device : en
  • CH270179A - Vehicle cleaning, repair or assembly pit. : de en
  • US2520434A - Control system for turbojet engines with reheat fuel supply system : en
  • US2520852A - Pharmaceutical article : en
  • ES190566A2 - IMPROVEMENTS IN THE CONSTRUCTION OF WHEELS, ESPECIALLY FOR AUTOMOBILE VEHICLES : en es
  • GB642364A - Improvements in or relating to indirectly heated cathodes : en
  • FR965092A - : fr
  • GB642167A - Improvements in or relating to pockets for overcoats or the like : en
  • GB642240A - Improvements in the apparatus used for the distillation of aluminium : en
  • DEP0022042DA - Air-cooled internal combustion engine : de en
  • SU84957A1 - Shaping machine for cutting non-circular gears by running : en ru
  • DEP0037700DA - Device for tuning oscillation circles at ultra-high frequencies : de en
  • DEP0049460DA - Method and device for filling ballpoint pens or refills for ballpoint pens. : de en
  • US2520468A - Pneumatic control apparatus : en
  • US2520195A - Lock keeper cover : en
  • US2520383A - Ultra high frequency oscillator : en
  • CH270350A - System for utilizing the sensible heat contained in flammable gases arising from chemical processes. : de en
  • DE1612478U - LITTLE CONCRETE AND CONCRETE BUILDING BLOCK. : de en
  • DE1612368U - MODEL SAIL SHIP. : de en
  • DE1612398U - STAND FOR SHOP WINDOWS O. DGL. WITH ROTATING AND SLIDING SELF-CLAMPING SHELVES. : de en
  • CA467630A - Band blade guides : en fr
  • CA467678A - Fluoroprene copolymerized with 2,2-difluorobutene-3 : en fr
  • US2520793A - Wheel for foot attachment : en
  • CA467686A - Production of metals : en fr
  • US2520275A - Aromatic diquaternary ammonium compounds : en
  • DE1612528U - EXTENDABLE CLICHEE FOR ROTATION MULTIPLE. : de en
  • ES24074U - Kaleidoscope (Machine-translation by Google Translate, not legally binding) : en es
  • AU3538450A - Improvements in mobile trimming apparatus : en
  • AU3534550A - Improvements in and relating to flexible hose couplings : en
  • CH270340A - Multi-cylinder two-stroke internal combustion engine with compressed air starting device. : de en
  • DE800078C - Device for opening the pivoting bottom closure of vertical furnace chambers : de en
  • CH270451A - Process for the preparation of an acidic disazo dye. : de en
  • DE800106C - Device to facilitate wheel changes in vehicles. : de en
  • DE1612618U - WALL ANCHORS, IN PARTICULAR FOR PIPE CLAMPS. : de en
  • CA467765A - Welding pressure controlling apparatus : en fr
  • CA467770A - Selenium rectifiers : en fr
  • LU30151A1 - : en
  • USD159900S - Plastic cutlery receptacle tray : en
  • CA467789A - Methods and means for drying moist material of any description : en fr
  • CH270416A - Failure detection and indication device. : en fr
  • AU3535550A - Improvements in or relating to power driven lubricating apparatus : en
  • CA467717A - Electrical relays : en fr
  • US2520318A - Method of making mushroom spawn : en
  • US2520258A - Secondary breaker : en
  • US2520603A - Method of and means for utilizing charged-particle radiation : en
  • US2520433A - Directed missile : en
  • US2520647A - Apparatus for grinding drills and the like : en
  • US2520732A - Sound amplifier muting means : en
  • DE1612410U - SOCIAL GAME. : de en
  • US2520840A - Apparatus for automatically checking the operation of pulse-echo radio detection systems : en
  • AU3531350A - Improvements in or relating tothe drafting of textile fibres : en
  • DEP0039550DA - Metal rollers for trawl ropes : de en
  • ES24110U - Folding Wall Lunch Box : en es
  • CA467685A - Apparatus for winding wire or other continuous threads : en fr
  • CA467716A - Distortion analysis : en fr
  • US2520292A - Planer toolbox : en
  • FR965062A - : fr
  • GB642361A - Improvements in and relating to the manufacture of electric dry batteries : en
  • SU85308A1 - Centrifugal casting mold for individual piston rings : en ru
  • US2520518A - Work holder : en
  • US2520364A - Gate valve : en
  • US2520400A - Production of sulfenamides : en
  • DE1612538U - REPLACEABLE TOBACCO PIPE LID TO PREVENT FIRE. : de en
  • ES190872A1 - A SYSTEM OF COUPLING RODS AND THE LIKE : en es
  • FR965097A - : fr
  • GB642117A - Improvements in power plant : en
  • DK71417C - Receiving system for receiving time-modulated impulses. : da en
  • DE1612467U - DEVICE FOR APPLYING CREAMS AND THE LIKE ON BRUSH AND BRUSH. : de en
  • GB642172A - Improvements in and relating to the construction of vehicles : en
  • US2520132A - Electronic line finder system : en
  • US2520371A - Laundry rack : en
  • DE800113C - Method and bell-twisting spindle for producing a twisting cop : de en
  • GB642382A - Improvements in or relating to scaffolding : en
  • US2520409A - Device for use in winding threads : en
  • US2520591A - Control cock for gaseous fuel burners burning a mixture of two gases : en
  • FR964962A - : fr
  • FR965084A - : fr
  • GB642188A - Improvements in or relating to a windshield cleaner : en
  • GB642170A - Improvements in refrigerators or the like : en
  • DE1612689U - PRESSURE-RESISTANT ENCLOSED, WITH SCREWED OR WELDED LIDS, LY, CYLINDRICAL HOUSING FOR TRANSFORMERS. : de en
  • DEP0043456DA - Dispensing hose counter : de en
  • CA467739A - Recovery of anhydrous aluminum chloride from fluid aluminum chloride-hydrocarbon complexes : en fr
  • CH270345A - Gas turbine power plant. : de en
  • DEV0000449MA - Continuously working drum filter with automatic filter cake ejection : de en
  • AU151073B2 - Compass system : en
  • CA467657A - Circuit breakers : en fr
  • CH270286A - Weapon for electrifying an enemy. : de en
  • CH270389A - Starting device for discharge lamps. : en fr
  • CH270461A - Process for the preparation of a heterocyclic amine salt. : de en
  • US2520634A - Optical objective employing reflecting elements : en
  • US2520741A - Swinging lawn chair : en
  • FR965098A - : fr
  • DEP0045130DA - Process for the preparation of 6-alkyl-2-thiouracil compounds : de en
  • DE1612533U - SPIN CASTING MACHINE WITH WATER FLOW COOLING, MOVABLE ON RAILS IN ITS AXIAL DIRECTION. : de en
  • CH270436A - Contact device on a catenary for activating signals, switches or the like. : de en
  • CH270445A - Device for sealing house chimneys. : de en
  • AU3535850A - Improvements in or relating tox-ray apparatus embodying operator screening means : en
  • ES22712Y - Perfected snaps. : en es
  • DE1612492U - SEAL RING. : de en
  • GB642133A - Directional transmission projection screens : en
  • GB642166A - Improvements in evaporating apparatus : en
  • GB642176A - High tension compressed gas switch : en
  • DE1612493U - STRAIGHT GUIDE FOR CRANK DRIVE. : de en
  • AU3534850A - Improvements in and relating to devices for closing up containers more particularly bottles by means of tin lid : en
  • CA467730A - Electric cable systems : en fr
  • DEP0052424DA - Air conditioning, especially for textile companies, printing companies, etc. : de en
  • ES192694A1 - A NEW INDUSTRIAL PROCEDURE FOR THE MANUFACTURE OF LIQUID SOAP BASED ON CAUSTIC SODA : en es
  • FR964952A - : fr
  • GB642349A - Improvements in or relating to magnetic sound recorders : en
  • US2520765A - Symmetrical neutralized mounting of amplifiers of large power for short waves : en
  • CH270251A - Process for the preparation of a new intermediate dye. : de en
  • DE1612636U - PHOTOGRAPHIC, IN PARTICULAR KINEMATOGRAPHIC CAMERA. : de en
  • GB642142A - Method of grinding lenses : en
  • CH270422A - Device for emptying collapsible containers. : de en
  • CH270430A - Device for transferring the braking effect of a hydraulic vehicle brake to a hydraulic trailer brake. : de en
  • DE1612576U - PERFORATING MACHINE. : de en
  • GB642158A - Improved arrangement for radio beacon transmitters : en
  • GB642122A - An improved alloy : en
  • GB642260A - Improvements in or relating to lathes and like machines : en
  • DE1612402U - SAUSAGE PIPE WITH WIPER RING. : de en
  • FR965017A - : fr
  • DE1612455U - BICYCLE SCOOTER. : de en
  • GB642106A - Improvements in and relating to the manufacture of iron and steel : en
  • DE1612647U - GUN BARREL BULLET. : de en
  • FR965059A - : fr
  • GB642229A - Improvements in or relating to gas-turbine or jet-engines : en
  • GB642201A - Improvements in or relating to a windshield washing apparatus : en
  • DE1612417U - DEVICE FOR LIGHT OR RADIATION DRYING OF WORKPIECES. : de en
  • DE1612575U - WASHING COMPRESSOR. : de en
  • FR964973A - : fr
  • DEP0002496BA - Precision measuring device for tactile measurements : de en
  • US2520898A - Electrical instrument : en
  • DEP0045600DA - Feed mechanism for bucket wheel excavators. : de en
  • AU148427B2 - Improvements in metal cabinet frames : en
  • CA467610A - Endless driving belts and means for producing the same : en fr
  • CH270364A - Electric pressure gas switch. : de en
  • FR964980A - : fr
  • GB642343A - Improvements in or relating to juice extractors : en
  • SU88162A3 - Method and device for pulling articles on circular, for example, two-cylinder machines : en ru
  • US2520302A - Pressure regulator for float systems : en
  • US2520319A - Hat blocking apparatus : en
  • US2520671A - Polyhydroxy compounds : en
  • CA467737A - Refrigerating machines : en fr
  • ES24099U - Device for maneuvering and closing the retractable legs of the tables for the service of lying down persons. (Machine-translation by Google Translate, not legally binding) : en es
  • US2520187A - Pump jack : en
  • CA467606A - Tire fabrics : en fr
  • GB642383A - Improvements in or relating to scaffolding : en
  • FR964937A - : fr
  • US2520597A - Method of making flour size : en
  • ES22800Y - Safety latch applicable to locks. : en es
  • GB642200A - Improvements in, or relating to, induction furnaces : en
  • GB642272A - Improvements in or relating to boxes or like containers : en
  • GB642115A - An improved process for the treatment of solid particles in fluidised condition : en
  • GB642185A - Improved method of and apparatus for applying covers to balls and the like : en
  • DE1612591U - FOOT SWITCH. : de en
  • DEP0033961DA - Lowering device for sewing machines : de en
  • GB642268A - Land- grubbers : en
  • GB642222A - Improvements in apparatus for use in running stocking blanks on to heeling machines : en
  • GB642296A - Improvements in and relating to shackles for perambulators and the like : en
  • US2520220A - Electron discharge device and associated cavity resonator : en
  • US2520343A - Pounce bag for dusting molds : en
  • US2520602A - Microwave mode changer and integrator : en
  • US2520270A - Multipole electric switch : en
  • US2520788A - Automatic cooking device : en
  • ES191026A1 - A PROCEDURE FOR GLAZING GYPSUM, CEMENT AND OTHER AGGLOMERATES AT LOW TEMPERATURE : en es
  • ES191900A1 - IMPROVEMENTS IN THE FRAME CLOSURE SYSTEM TO DIVIDE HARD STONES : en es
  • US2520463A - Grass cutter employing razor blades : en
  • US2520129A - Lubricating system : en
  • US2520197A - Hydrolysis of streptomycin hydrochloride : en
  • FR964932A - : fr
  • DE1612645U - NEW FASTENING OF THE RUBBER HOES. : de en
  • DE1612352U - ADHESIVE LABEL MADE OF LEATHER, PRINTED. : de en
  • LU30145A1 - : en
  • US2520599A - Art of scudding hides : en
  • US2520842A - Multicolor cinematography method : en
  • GB642238A - Process for preventing or reducing scale formation in steam boilers, preheaters and economisers : en
  • GB642210A - Improvements relating to the conditioning treatment of cereal grain : en
  • US2520249A - Jig for connecting rods : en
  • US2520262A - Cooler of discharge tubes : en
  • CH270292A - Device for displaying the extremum of a force. : de en
  • US2520531A - Suction cleaner : en
  • GB642161A - Improvements in or relating to tie-rod joints : en
  • DE800107C - Vehicle wheel : de en
  • DEP0000757DA - Device plug : de en
  • GB642307A - Cooking ranges : en
  • DE1612365U - METAL DISC REEL. : de en
  • ES24122U - String for string music instrument (Machine-translation by Google Translate, not legally binding) : en es
  • GB642131A - Improvements relating to chucks : en
  • GB642165A - Tertiary amines and methods for obtaining the same : en
  • GB642179A - Silica-extended tin oxide and method of preparing the same : en
  • US2520596A - Recessed lighting equipment : en
  • USD159897S - Spray gtjn : en
  • US2520579A - Pneumatic thread remover for weft replenishing looms : en
  • ES190249A2 - IMPROVEMENTS IN THE ROLLER BLINDS : en es
  • GB642203A - Improvements in and relating to the production of hollow moulded whistling toys : en
  • GB642223A - Improved method of and device for gauging the level of water in the bottom of storage tanks for hydrocarbons and the like : en
  • ES22273Y - Molded and reinforced rubber retention device, designed to prevent gas or liquid leaks from rotating shafts. : en es
  • US2520547A - Linear pneumatic converter : en
  • DE800089C - Double sofa bed : de en
  • US2520847A - Gasoline pump housing for mounting moving sign mechanisms : en
  • DE1612462U - COLLAR STICK. : de en
  • DE1612514U - PACKAGING BOX. : de en
  • ES190925A1 - AN APPARATUS TO MANUFACTURE CONTINUOUS SHEET BASED ON PLASTIC MATERIALS. : en es
  • SU82163A1 - Method for the qualitative determination of elements : en ru
  • ES24049U - Armored security bolt (Machine-translation by Google Translate, not legally binding) : en es
  • ES24080U - A mechanical pump for the supply of small quantities of gasoline or other liquids (Machine-translation by Google Translate, not legally binding) : en es
  • US2520635A - Optical system : en
  • US2520684A - Self-closing dispensing device : en
  • BE495711A - Electrode assemblies for electric discharge lamps and in particular for discharge lamps with fluorescent screens : en fr
  • US2520810A - Lateral moving table leg fastener : en
  • CA467607A - Wrenches : en fr
  • US2520238A - Overhead carriage and hoist for milk cans : en
  • AU3525450A - Improvements relating to surgical, suture, andother sewing needles : en
  • CH270233A - Holding device for sample collections. : de en
  • AU2893649A - Improvements relating to plastic moulding machines : en
  • DE1612690U - MEASURING TRANSDUCERS, IN PARTICULAR RAIL TRANSDUCERS. : de en
  • US2520713A - Shoulder bow : en
  • US2520760A - Method of producing cathodes for electronic tubes : en
  • US2520849A - Variable position bed : en
  • US2520595A - Visual indicator of distance between two points and the bearing of a line connectingthem : en
  • US2520665A - Gyroscope control device for bombs : en
  • AU1503447A - Improvements relating to disc cultivators andthe like : en
  • US2520828A - Motor-generator construction : en
  • US2520572A - Pivoted low center of gravity animated toy : en
  • US2520798A - Device for the stereophonic transmission of sound : en
  • DE1612400U - AIR TIRED FARMING CART WITH DIVIDED SIDE PANELS AND DIVIDED BOX FLOOR. : de en
  • ES24058U - Children's bathtub-basket (Machine-translation by Google Translate, not legally binding) : en es
  • US2520247A - Flat tire detector switch : en
  • US2520748A - Polymeric oxide lubricant containing organic disulfide : en
  • DE1612505U - RACING SHOE WITH SEVERAL PINS ON THE OUTSOLE. : de en
  • CH270466A - Body with a slot for sucking off the boundary layer that is created at the interface between fluid and body. : de en
  • US2520259A - Self-locking nut and washer : en
  • DEP0050585DA - Crushing mill : de en
  • PL34131B1 - : en pl
  • DE1612651U - BALL GAME DEVICE. : de en
  • US2520363A - Combined ignition and starter switch : en
  • US2520391A - Liquid-liquid contacting : en
  • US2520519A - Marine derrick : en
  • US2520209A - Operating mechanism for change speed gears : en
  • US2520346A - Double-walled tank and discharge fitting therefor : en
  • US2520421A - Post peeling machine having rotatable chain-carrying drum : en
  • DE1612370U - SEAL FOR SIPHONS OR SIMILAR ODOR SEALS IN THE WASHBASIN OR SINK, OR THE LIKE. : de en
  • CA467662A - Light projectors : en fr
  • US2520744A - Break-back implement attachment for tractors : en
  • GB642211A - Improvements in and relating to removable caps for liquid containers : en
  • DE1612659U - FREE FLYING TOY PLANE. : de en
  • DEP0031372DA - Dismountable truss roof trusses : de en
  • CH270403A - Feedback electric wave amplifier. : en fr
  • US2520290A - Latch for carriage and translating device of phonographs : en
  • US2520581A - Preparation of marshmallow : en
  • DE1612413U - BLOW DEVICE FOR THE PRODUCTION OF FOAM BALLOONS. : de en
  • US2520355A - Paring knife having a handle grooved for finger rests : en
  • US2520725A - Support construction and fastening device therefor : en
  • US2520757A - Phonograph-shock and vibration absorbing support : en
  • USD159892S - Pinking machine : en
  • CH270361A - A method of manufacturing an electric heating body and a heating body obtained by this process. : en fr
  • DE1612494U - DEVICE FOR PROCESSING STEREO DISKS AND THE LIKE : de en
  • PL34176B1 - : en pl
  • USD159914S - Ice cube maker : en
  • US2520203A - Bottleholder : en
  • CA467673A - Bending single crystals of corundum and spinel : en fr
  • CA467796A - Means for handling tiered loads : en fr
  • US2520846A - Collapsible baby crib convertible to play pen : en
  • DE1612461U - PANTS HOLDER. : de en
  • CA467700A - Vapour generators and superheaters : en fr
  • CH270201A - Oil burner equipment, in particular for heating systems. : de en
  • US2520430A - Needle valve : en
  • US2520538A - Paper cup container and dispenser : en
  • US2520570A - Method for producing detergent blocks : en
  • US2520685A - Laundry machine having rockable tubs : en
  • US2520848A - Locking device : en
  • DK71430C - Can opener. : da en
  • US2520348A - Discharging apparatus : en
  • DE1612685U - DISCONNECTOR. : de en
  • FR964999A - : fr
  • AU149953B2 - Improvements in mobile trimming apparatus : en
  • GB642227A - Improvements in amplifier circuits : en
  • DEP0054450DA - Plating package provided with a button plate : de en
  • DE1612488U - SYRINGE FRAME. : de en
  • DE1612612U - HEAD BANDAGE FOR HEALING CURVATION OF THE RESPIRATORY TRAIL, IN PARTICULAR OF THE NOSE AND THROAT AREA, THE FOREHEAD AND MUCUSAGE OF THE NOSE. : de en
  • US2520791A - Compensating motor starting relay for single split phase motors : en
  • GB642273A - Improvements in and relating to apparatus for winding threads or the like : en
  • ES192930A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF BALLS USED IN SPORTS : en es
  • AU3532150A - Improvements in or relating to oil burners : en
  • AU149391B2 - Improvements in speed governors : en
  • GB642249A - Improvements in or relating to antibiotic substances : en
  • US2520114A - Apparatus for applying protective coverings : en
  • US2520730A - Illuminated vehicle ornament : en
  • US2520179A - 4-thiazolidones and a method for preparation thereof : en
  • CH270396A - Process for the preparation of a novel antimalarial compound, 6-methoxy-8- (1'-methyl- (4'-isopropylaminobutylamino) -quinoline. : en fr
  • US2520147A - Tunable radio frequency circuits : en
  • US2520406A - Shock absorber : en
  • US2520456A - Selective two-speed brace : en
  • US2520282A - Speed reducing power transmission : en
  • AU145441B2 - Improvements in and relating to flexible hose couplings : en
  • CA467701A - Evaporators : en fr
  • CH270174A - Process for manufacturing hexachlorcyclohexane. : en fr
  • CH270311A - Cold tube bending machine. : en fr
  • CH270439A - Retractable landing gear on aircraft. : de en
  • US2520556A - Babcock test mixer : en
  • CA467727A - Nozzle construction for use in the pneumatic handling of flour and the like : en fr
  • CH270191A - Cladding panel for walls. : de en
  • CH270355A - Method and device for operating an absorption refrigeration apparatus with auxiliary gas. : de en
  • CH270457A - Device for controlling a clockwork movement mechanism. : en fr
  • DE800109C - Unicycle vehicle : de en
  • AU150694B2 - Improvements relating to washing machines : en
  • US2520648A - Changeable sign : en
  • US2520342A - Tool : en
  • US2520640A - Electroacoustic transducer : en
  • CH270420A - Process for packaging pieces of material covered on one of its faces with an adhesive composition, and machine for carrying out the process. : en fr
  • US2520656A - delta-3-hydroxysteroid and derivatives thereof : en
  • US2520818A - Receptacle support : en
  • US2520707A - Memo recorder : en
  • US2520733A - Polymers of trimethylene glycol : en
  • USD159931S - Schlenker clock : en
  • DE1612648U - Additional unit for the flashing pulse generator : de en
  • FR965032A - : fr
  • US2520257A - Thermally operated secondary breaker : en
  • US2520272A - Vertical blind : en
  • DEP0048410DA - bicycle : de en
  • AU146093B2 - Improvements in and relating to valves for water softeners : en
  • CA467779A - Frequency control systems : en fr
  • CH270195A - Sanitary apparatus for water closet. : en fr
  • DE1612427U - DRIVE WIRE SUSPENSION. : de en
  • CH270318A - High frequency seam welding machine for joining dielectric materials. : de en
  • CH270354A - Device for separating sludge in steam generating systems. : de en
  • DE1612687U - ELECTRICAL SWITCH. : de en
  • DESC000398MA - Cigarette paper : de en
  • DE1612565U - BALL GAME IN LOCKED CAN. : de en
  • DE1612675U - WATER REFRIGERATOR. : de en
  • CA467602A - Mould construction : en fr
  • DE1612540U - CONTAINER TO ACCEPT A CIGARETTE PACKAGE WITH A SINGLE DISPENSER. : de en
  • DE1612614U - PIPE WINDOWS FOR COOKERS OF ALL KINDS. : de en
  • FR964941A - : fr
  • GB642380A - Improvements in method of making therapeutic preparations for subcutaneous or intramuscular injections : en
  • CA467675A - Higher alkoxy-silicon halides and materials treated therewith : en fr
  • DE1612418U - DEVICE FOR DRYING CERAMIC OBJECTS. : de en
  • CH270252A - A process for the preparation of high boiling esters of polycarboxylic acids and unsaturated aliphatic alcohols. : en fr
  • ES24047U - Seat for double use water. (Machine-translation by Google Translate, not legally binding) : en es
  • CH270415A - Device for stabilizing the image reproduction in television receivers. : de en
  • DEP0031410DA - pen : de en
  • AU3529250A - Bob pin : en
  • CH270448A - Process for the production of a new amine derivative. : de en
  • CH270199A - Process for the melting of powder having a melting point between 1000 and 2000ºC, and apparatus for setting up the process. : en it
  • CH270438A - Cartridge ignition device for a catapultable airplane seat. : en fr
  • CA467795A - Injection moulding : en fr
  • US2520474A - Make-ready gauge using simulated printing pressure : en
  • US2520789A - Convertible table : en
  • DE1612453U - FOOTREST FOR VEHICLES. : de en
  • FR964914A - : fr
  • FR964950A - : fr
  • GB642399A - Improvements in or relating to radio navigation systems : en
  • DE800103C - Closure for liquid container : de en
  • US2520241A - Tire pressure switch unit : en
  • GB642194A - Improvements in sheet feeding mechanism : en
  • ES24082U - New bathtub (Machine-translation by Google Translate, not legally binding) : en es
  • DE1612539U - CIGARETTE LIFTER. : de en
  • US2520304A - Honey capping melter : en
  • DE1612650U - FOOTBALL TOTO GAME. : de en
  • GB642253A - Reaction of vinyl ethers with thiols : en
  • GB642397A - A screw-driving device for an operating screw of a hose or like clip : en
  • GB642098A - Improvements to systems including aerial trackways : en
  • GB642376A - Improvements in hydraulic apparatus for supplying fluid under pressure : en
  • CH270317A - Rubber molding process. : en fr
  • US2520681A - Caution signal switch for motor vehicles : en
  • CA467674A - Processes of reducing ferric oxide to ferrosoferric oxide : en fr
  • AU150693B2 - An improved automatic blowdown valve : en
  • US2520162A - Bushing replacer : en
  • CH270330A - Continuous press for squeezing liquid-rich materials. : en it
  • CH270427A - Foldable car for children. : en fr
  • CH270302A - Light reflector, which also reflects light rays inclined to its plane approximately in their direction of incidence. : de en
  • CH270277A - Stamp with interchangeable printing types. : de en
  • CA467614A - Collapsible carriers : en fr
  • CH270419A - Bag, especially for sports purposes. : de en
  • CH270290A - DF arrangement with a wide frequency band. : de en
  • US2520340A - Emergency alarm system : en
  • US2520557A - Rain gauge : en
  • US2520588A - Shutoff for automatic sprinklers : en
  • CH270255A - Process for the preparation of a heterocyclic amine. : de en
  • US2520673A - Acid salts of an n-acetyl-10-trimethylammoniumdihydrohomomeroquinene ethyl ester and their production : en
  • CA467618A - Hard-faced metal and methods of producing the same : en fr
  • CH270388A - Vaporization burner for liquid fuels. : en fr
  • AU149374B2 - Improvements in or relating tox-ray apparatus embodying operator screening means : en
  • AU3528450A - Improvement in refrigerating systems : en
  • CH270399A - Process for the preparation of p-amino-salicylic acid. : de en
  • CH270213A - Drawer, especially for storing forms. : de en
  • DEP0006321DA - Gate valve with independently movable slide plates : de en
  • ES193501A3 - A SUPPLEMENTARY APPLIANCE FOR GASOLINE ENGINES POWERED BY GAS-OIL : en es
  • GB642197A - Improvements in or relating to amplifier : en
  • PL34164B1 - : en pl
  • USD159941S - Game piece : en
  • CA467601A - Furfuraldehyde-ketone resin : en fr
  • CA467773A - Railway train interval detection systems : en fr
  • US2520514A - Automatic self-indexing commutator slotter : en
  • US2520880A - Centrifugal pump : en
  • US2520261A - Combination button and snap fastener stud : en
  • CA467604A - Burial vaults : en fr
  • CA467624A - Cap dies : en fr
  • GB642212A - Improvements in grass and other agricultural green crop drying plant : en
  • GB642294A - Improvements in and relating to the mounting of gas turbine units : en
  • SU83758A1 - Form for centrifugal cast iron : en ru
  • BE495568A - ELECTRICAL INSTRUMENT OR APPARATUS CONSISTING OF AT LEAST TWO ELEMENTS OR CELLS. : en fr
  • US2520501A - Connector : en
  • US2520289A - Track switch stand : en
  • US2520695A - Automatic sequential operation type clothes washing machine : en
  • DE1612558U - BICYCLE OR DGL. SUPPORT. : de en
  • DE1612598U - ELECTRIC LAMP, IN PARTICULAR HAND LAMP WITH A HEAD MADE OF RUBBER. : de en
  • AU146570B2 - Improvements in or relating to oil burners : en
  • DE1612608U - CUTTING DISC. : de en
  • GB642338A - Improvement in non-dusting water-soluble organic dyestuff : en
  • US2520334A - Method of selective carburization : en
  • USD159918S - Covered cooking utensil : en
  • AU3537250A - Materials for use in tumbling barrel finishing and method of preparing thesame : en
  • US2520294A - Control of free piston type internal-combustion engines : en
  • US2520496A - Slider for slide fasteners : en
  • US2520630A - Beta-keto acids of the cholenic acid series : en
  • US2520699A - Belting : en
  • CH270460A - Process for the preparation of a heterocyclic amine salt. : de en
  • CH270278A - Device for making bookings and other copy work. : de en
  • US2520574A - Laterally swingable flush valve : en
  • US2520859A - Drum trap : en
  • US2520612A - Diethers of polyoxyalkylene diols : en
  • DE1612692U - MULTIPLE CAPACITOR FOR DIFFERENT FREQUENCY RANGES AND ULTRA SHORT WAVE RANGE IN A COMMON HOUSING. : de en
  • CH270259A - Process for the preservation of hides and casings. : de en
  • US2520628A - Label pasting mechanism with variable throw label pickup and transfer means : en
  • CH270320A - Hammer mill. : de en
  • FR965021A - : fr
  • US2520555A - Storing and feeding structure for stock : en
  • US2520344A - Windshield wiper actuating means : en
  • CH270444A - Glass plate roof. : de en
  • US2520873A - Manually operable thermostatic switch assembly : en
  • DE1612369U - AUTONOMOUS CONTAINER LOCK. : de en
  • US2520680A - Corn planter : en
  • US2520687A - Spinner mounting : en
  • DE1612440U - Plastic chocolate vending machine : de en
  • GB642191A - Wear means for railway car truck connections : en
  • GB642232A - Improvements in or relating to door locks : en
  • US2520808A - Grip for pliers : en
  • CH270319A - Grinding process and apparatus for carrying out this process. : en fr
  • US2520492A - Speed regulator for electric motors : en
  • USPP975P - Rose plant : en
  • GB642266A - Improvements in or relating to fire boxes or flues for hot water or steam boilers : en
  • DK71435C - Machine for emptying containers, in particular milk jugs. : da en
  • ES190820A1 - IMPROVEMENTS MADE TO THE PLUGS : en es
  • GB642236A - Improvements in fasteners for doors, windows and other closures, and in means for locking the same : en
  • CH270353A - Tubular steam generator. : en fr
  • CA467683A - Door closing means for load discharging cars : en fr
  • DE1612495U - HOLDER FOR INTERCHANGEABLE CUTTERS. : de en
  • ES24030U - Box-container for cutlery and similar (Machine-translation by Google Translate, not legally binding) : en es
  • AU3538250A - Line identification : en
  • CA467620A - Refining of crude 1-naphthylacetic acid : en fr
  • CH270366A - Light switch. : en fr
  • US2520210A - Mower sickle grinder : en
  • AU147497B2 - Improved fittings use in respect ofthe tailgates of motor andother trucks or waggons : en
  • DE800104C - Closure for fastening screws, especially on motor vehicle wheels : de en
  • US2520125A - Pulse code system : en
  • US2520566A - Grit blasting apparatus and the like : en
  • DEP0050083DA - Screw conveyor, in particular for powdery material. : de en
  • US2520424A - Continuous hydrogenator : en
  • PL34172B1 - The method of producing emulsifiers for the preparation of water-in-oil emulsions : en pl
  • CH270188A - A method of manufacturing a sign such as a letter and a sign obtained by this method. : en fr
  • DE1612449U - AXLE BUSHINGS FOR LUBRICATION AXES ON FARMING CART. : de en
  • US2520118A - Mobile heavy ordnance : en
  • US2520265A - Method and means for making artificial dentures : en
  • US2520587A - Power wheel : en
  • US2520457A - Pole gaining machine : en
  • US2520769A - Sewed seam ripper : en
  • US2520771A - Diaphragm valve : en
  • DE1612393U - CLEAR DISTRIBUTION CAP WITH CANDLE CONTROL. : de en
  • US2520402A - Wire-wrapping machine : en
  • AU3525050A - Improvements in or relating toa driving mechanism and pump assembly employing said driving mechanism : en
  • DEP0027674DA - Circuit arrangement for telephone systems with local trunk line selectors for single and multiple connections : de en
  • GB642111A - Improvements in or relating to electromagnetically-operated reciprocating pumps : en
  • GB642205A - Constant mesh transmission : en
  • SU84970A1 - Bolt for flange joints for tunnel tubing : en ru
  • US2520419A - Frequency-modulation demodulator : en
  • US2520535A - Control system for air-conditioning apparatus : en
  • CH270314A - Clamping device for tools with a clamping shank. : de en
  • US2520498A - Pyrophoric lighter : en
  • US2520582A - Rotating machine : en
  • US2520785A - Rotary and sliding ball bearing : en
  • CH270246A - High vacuum still for fractional distillation in a short distance with the help of centrifugal force. : de en
  • DE1612383U - HOOKS FOR SLING CURTAINS. : de en
  • GB642141A - Improved heating element for electric resistance furnace : en
  • CA17805S - Water mixing valve : en
  • CA467741A - Moulding plastics : en fr
  • CH270276A - Type lever typewriter. : de en
  • DE1612595U - FLEXIBLE ELECTRIC HIGH CURRENT CABLE, IN PARTICULAR LEAD-LESS CABLE FOR RAISED AND EXPLOSION HAZARDOUS OPERATIONS. : de en
  • CA467718A - Circuit breakers : en fr
  • USD159934S - Kocket tank toy : en
  • CH270312A - Method and machine for manufacturing bevel gears with helical teeth. : de en
  • CH270459A - Process for the preparation of a new derivative of streptomycin. : de en
  • US2520790A - Adjustable clam opener : en
  • AU3018649A - Improved manually operated sifter : en
  • US2520361A - Combined filing spindle, guard, and punch : en
  • SU75010A1 - Movable reference table : en ru
  • DE1612638U - PHOTO CLIP. : de en
  • ES24087U - Crown cap perfected (Machine-translation by Google Translate, not legally binding) : en es
  • FR965007A - : fr
  • GB642234A - Improvements relating to gib key extractors : en
  • CH270172A - Fruit sorting machine. : de en fr
  • SU84149A1 - A method of manufacturing a foaming agent for air-mechanical foam : en ru
  • US2520624A - Leakage indicating device for gasfilled electric cables, pipe lines, or the like : en
  • US2520283A - Pivotal ball return means for pin games : en
  • US2520339A - Araliphatic azo catalysts for addition polymerization : en
  • US2520834A - Dialing and for dial telephones : en
  • US2520537A - Electromechanical high-speed operating gear : en
  • US2520650A - Accessory system operable from a fluctuating pressure source with a normally by-passed secondary source : en
  • US2520876A - Core bit : en
  • USRE23263E - Wxxteg : en
  • PL34155B1 - : en pl
  • BE495488A - Telemetry process : en fr
  • USD159937S - Figure toy : en
  • DE800092C - All-metal window frames : de en
  • US2520145A - Broken blade hack saw attachment : en
  • US2520717A - Contacting : en
  • AU145586B2 - Bob pin : en
  • AU3533050A - Alkylsulfamyl benzoic acids : en
  • US2520576A - Tank heater : en
  • AU149718B2 - Apparatus for textile printing : en
  • US2520380A - Beverage dispensing apparatus : en
  • CA467619A - Brake riggings : en fr
  • AU147522B2 - Improvements in or relating toa driving mechanism and pump assembly employing said driving mechanism : en
  • CH270178A - Frame on window. : de en
  • US2520721A - Clutch control mechanism : en
  • USD159928S - Game board : en
  • US2520797A - Bath level and temperature control : en
  • CH270223A - Loom equipped with a weft thread control device. : en fr
  • CH270254A - Process for the preparation of 4-chloro-2-amino-6-methyl-pyrimidine-1-methiodide. : de en
  • USD159903S - Combined game chip rack and ash tray or the like : en
  • DE1612387U - DIVAN, COMBINED AS A BED OR BOOK CABINET. : de en
  • DE1612464U - DOUBLE TIE. : de en
  • CA467775A - Pipe couplers : en fr
  • CH270176A - Suspension device for cladding panels. : de en
  • CH270382A - Electromagnetic cavity resonator with a high quality factor. : de en
  • CA467627A - Machines for sewing mattress boxing strips : en fr
  • CA467658A - Circuit breakers : en fr
  • CA467709A - Telecommunication switching systems : en fr
  • CH270441A - Control device for aircraft gas turbine power plants. : de en
  • CA467753A - Enamelled insulator bushings : en fr
  • AU150274B2 - Improvements relating to surgical, suture, andother sewing needles : en
  • DE1612448U - DEVICE FOR VISIBLE UNWINDING OF ROLLED FILM. : de en
  • US2520117A - Trash clearing device for harrow teeth and the like : en
  • ES190876A1 - A GOVERNMENT APPARATUS FOR THE RUDDER OF A VESSEL BY HYDRAULIC TRANSMISSION : en es
  • AU3528250A - Method of forming passages in concrete beams orthe like : en
  • AU145889B2 - Improvements in or relating to metal degreasing apparatus : en
  • GB642129A - Manufacture of quinazoline derivatives : en
  • CA467690A - Selenium cells and lacquer therefor : en fr
  • CH270398A - Process for the manufacture of liquid dyes and cream dyes for hair. : en fr
  • CA467784A - Movable coils with rectifiers for electrical instruments : en fr
  • US2520772A - Brassiere : en
  • CA467631A - Methods of assembling fin tubes : en fr
  • AU146483B2 - Improvements relating to brake cylinders forthe vacuum brake apparatus of railway and like rolling stock : en
  • DES0001090MA - Spring-loaded, height-adjustable swivel chair support. : de en
  • SU83859A1 - The method of obtaining the flanked profile of involute gear cutting chisels : en ru
  • US2520881A - Portable stand or rack : en
  • AU147880B2 - Improvements in and relating tothe production of translucent polymeric material from liquid monomeric esters : en
  • AU147288B2 - Improved safety means for locking vehicle doors to prevent unintentional opening : en
  • AU150423B2 - Method of forming passages in concrete beams orthe like : en
  • DE800080C - Food cooling device : de en
  • DEJ0000148MA - Noise-dampening table or chair base made of soft, elastic material : de en
  • FR965043A - : fr
  • GB642208A - Improvements in or relating to containers for powder : en
  • GB642352A - Improvements in or relating to vehicle heating devices : en
  • US2520333A - Truss end construction : en
  • AU3534050A - Improved safety means for locking vehicle doors to prevent unintentional opening : en
  • US2520697A - Internal-combustion turbine plant : en
  • US2520222A - Lattice type grille : en
  • CH270235A - Sanitary napkin holder. : en fr
  • DE1612378U - PERCOLATING DEVICE. : de en
  • AU147149B2 - Preheater and vapourizer for gas turbine engines : en
  • CH270357A - Device on electrical generators for automatic regulation of the magnetic flux, especially for bicycles. : de en
  • US2520414A - Hat or clothes tree : en
  • CA467642A - Switching devices : en fr
  • US2520837A - Saw gauge : en
  • DE1612375U - FILE TYPE. : de en
  • DE800086C - High vacuum pump for extracting gases and vapors : de en
  • DEP0040712DA - Loading device for pressure rollers on drafting systems. : de en
  • GB642369A - Improvements in or relating to process for preparing pure crystalline salts of penicillin, and the pure crystalline salts of penicillin resulting therefrom : en
  • FR964930A - : fr
  • GB642213A - Improvements in or relating to cutlery, forks, spoons and the like : en
  • GB642085A - Frozen food dispenser : en
  • US2520649A - Grammar game : en
  • US2520232A - Screw : en
  • US2520561A - Meathook : en
  • GB642104A - Improvements relating to the surface coating of aluminium and aluminium base alloys : en
  • ES190999A1 - A QUICK BRUSHER WITH FRICTION WHEEL MOVEMENTS : en es
  • ES24118U - Apparatus for cooking oranges, lemons and citrus fruit (Machine-translation by Google Translate, not legally binding) : en es
  • FR965061A - : fr
  • PL34171B1 - : en pl
  • CH270295A - Electronic calculating machine. : en fr
  • GB642143A - Improvements relating to gill boxes : en
  • FR964902A - : fr
  • FR964915A - : fr
  • GB642157A - Improvements in and relating to steam generators : en
  • GB642255A - Lubricating compositions : en
  • ES24093U - Apparatus for signaling waterway or flood (Machine-translation by Google Translate, not legally binding) : en es
  • DK71420C - Vacuum-tight container, especially for electron tubes. : da en
  • DE1612620U - LOCKING RING FOR THE SCALE OF MEASURING INSTRUMENTS. : de en
  • ES23996U - Portable continents cash money keepers (Machine-translation by Google Translate, not legally binding) : en es
  • CH270356A - Accumulator cell, in particular alkaline accumulator cell. : en fr
  • FR964928A - : fr
  • CA467665A - Foundation garments : en fr
  • CA467698A - Vapour generating and superheating apparatus : en fr
  • DE1612473U - CLIP. : de en
  • DE800074C - Lighter for the gas stove or the like. : de en
  • FR964939A - : fr
  • US2520521A - Fastener forming and inserting machine : en
  • FR965033A - : fr
  • IE19378L - Rubber sole : en
  • GB642182A - Improvements in or relating to radio beacon systems : en
  • GB642254A - Improvements in or relating to brush-making machines : en
  • ES192456A1 - IMPROVEMENTS IN THE MEANS OF COUPLINGS IN THE FRINGED BRUSHES TO ITS HANDLE : en es
  • FR965064A - : fr
  • AU3534650A - Selection system tor electrical circuits or equipments : en
  • CA467615A - Car door handle lights : en fr
  • GB642248A - Mothproofing preparations : en
  • DEP0039768DA - Collapsible packing box : de en
  • DE1612457U - KNIFE BLADE. : de en
  • FR964988A - : fr
  • DE1612670U - WATER PUMP PLIERS. : de en
  • FR964945A - : fr
  • FR965015A - : fr
  • GB642089A - Grain cleaners : en
  • USD159910S - Coin bank : en
  • DE1612399U - Shop counter. : de en
  • DE1612552U - ILLUMINATED ADVERTISING DEVICE. : de en
  • GR12589B - MEANS FOR THE PRODUCTION OF MILK, CHEESE AND OTHER PRODUCTS MILK FROM POWDERED MILK BY RICH ENRICHMENT THROUGH FAT. : el en
  • ES24108U - Improved packaging for syringe needles for injections. (Machine-translation by Google Translate, not legally binding) : en es
  • ES24044U - Pinza for all kinds of marine monsters. (Machine-translation by Google Translate, not legally binding) : en es
  • US2520227A - Binder for shirt cuffs and plackets : en
  • DE1612459U - SHIPPING BOX. : de en
  • FR964974A - : fr
  • US2520161A - Carboxyalkyl ethers of carbohydrate gums : en
  • US2520330A - Tire loosening tool : en
  • ES190976A1 - A COMBINED PROCEDURE FOR ATTRACTION OF SHOWS AND INCREASE OF SALES : en es
  • FR965072A - : fr
  • FR964972A - : fr
  • GB642358A - Improvements in temperature control means for use with gas ovens and other gas heated receptacles : en
  • GB642362A - An improved method of, and means for, supporting and adjusting movable shuttering for use in the construction of walls or the like from concrete or similar material : en
  • GB642327A - Improvements in or relating to control systems : en
  • FR965056A - : fr
  • GB642207A - Improvements in and relating to vehicle rear lamps : en
  • US2520471A - Traveler for ring twisters : en
  • US2520776A - Steering assembly for loaded trucks and trailers : en
  • US2520404A - Process for preparing substituted furo-imidazoles : en
  • US2520890A - Saw frame : en
  • DEP0056045DA - Method and device for closing cracks in wooden sleepers, in particular those in railroad tracks : de en
  • GB642125A - Blast-preheater : en
  • DE1612668U - ROPE REEL, IN PARTICULAR FOR USE IN SCRAPPING OPERATIONS. : de en
  • DEB0000963MA - Rotary switch type electrical light switch : de en
  • DE800116C - Saddle box : de en
  • ES22581Y - Perfected tooth garment. : en es
  • FR965077A - : fr
  • GB642124A - Improvements in footwear : en
  • US2520140A - Welt shoe sewing machine : en
  • US2520766A - Intermodulation meter : en
  • US2520571A - Precision square : en
  • DE1612542U - TENSIONING DEVICE FOR THE DRIVE BELT OF A COOLING AIR BLOWER ON COMBUSTION ENGINES. : de en
  • DE1612520U - WHEEL NUT WRENCH WITH FOLDING CLAW TO TAKE OFF THE WHEEL COVERS. : de en
  • CA467645A - Single- or polyphase switch arrangements : en fr
  • GB642099A - Improved method and apparatus for the manufacture of air-tight bags, boxes or the like : en
  • FR964960A - : fr
  • US2520836A - Brassiere : en
  • US2520712A - Catalytic purification of unsaturated hydrocarbons : en
  • ES24051U - Union for belts (Machine-translation by Google Translate, not legally binding) : en es
  • CH270449A - Process for the production of a new amine derivative. : de en
  • FR965006A - : fr
  • SU80095A2 - Mold Extrusion Device : en ru
  • US2520841A - Polarized type of coded track circuits : en
  • CH270348A - Regenerator. : de en
  • GB642094A - Improvements in or relating to radio navigational aid systems : en
  • DEP0025413DA - Process for the production of alumina : de en
  • US2520152A - Radiant energy receiving device : en
  • CA467639A - Vapour-proof building construction : en fr
  • ES24107U - Refined bottle (Machine-translation by Google Translate, not legally binding) : en es
  • USD159905S - Child s costumer : en
  • DE1612551U - ILLUMINATED SIGN DEVICE. : de en
  • DK71433C - Apparatus for conveying moistened rubberized strips of paper. : da en
  • DE1612684U - MAGNETIC TRIGGER FOR MOTOR CIRCUIT BREAKER. : de en
  • US2520349A - Induction apparatus for metal coating : en
  • US2520386A - Refrigeration expansion valve : en
  • US2520858A - Railway traffic controlling apparatus : en
  • GB642144A - Machine for grinding toothed tools : en
  • DE1612374U - FASTENING ARRANGEMENT FOR HANDLES. : de en
  • GB642288A - System for dispensing measured quantities of liquefied gas : en
  • PL34157B1 - A method of producing fabrics with the use of gripper looms and a device for performing this method : en pl
  • CA467714A - Electrical discharge devices : en fr
  • DK71414C - Test circuit for group selectors. : da en
  • FR965070A - : fr
  • FR965085A - : fr
  • GB642127A - An improved method of and apparatus for vacuum distillation : en
  • GB642155A - Improvements in or relating to refrigerated vehicles : en
  • US2520512A - Electron discharge device : en
  • DEP0016251DA - Jig : de en
  • GB642385A - Improvements in therapeutic products : en
  • CH270463A - Process for the production of a new hydrophenanthrene derivative. : de en
  • USD159885S - Finger king ob the like : en
  • DE1612649U - DEVICE FOR SPRAYING A PAINTING MATERIAL. : de en
  • US2520410A - Film viewing device : en
  • US2520710A - Body restraint : en
  • US2520139A - Method of preparing acylated hydroxypolycarboxylic acid anhydrides : en
  • US2520418A - Smoking pipe reamer : en
  • US2520742A - Hasp : en
  • CA467669A - Cabinet construction : en fr
  • CH270227A - Drive device on sewing machines. : de en
  • GB642366A - Improvements in scaffolding clamps : en
  • DEP0000001DA - Process for the economical operation of pulverized coal firing systems, in particular fuels rich in ash : de en
  • ES24040U - Closing device for own rubber bottles for hot water and ice (Machine-translation by Google Translate, not legally binding) : en es
  • PL34168B1 - : en pl
  • DEP0036316DA - Tunnel furnace for burning porcelain and similar masses in a reducing fire : de en
  • DEP0051050DA - Magnet system for speed and tachometer : de en
  • US2520360A - Flash type steam iron : en
  • USD159898S - Joker card for a deck of playing cards : en
  • GR12583B - WIRE TYPE FOR PACKAGING OF ALL NATURE BOXES AND HOW TO TREAT IT. : el en
  • US2520436A - Wound protector : en
  • US2520484A - Cigarette package opener and container : en
  • US2520663A - Glass to metal seal for high-frequency electric discharge tubes : en
  • PL34154B1 - : en pl
  • CA467751A - Alpha, alpha'-trithiocarbono-dialiphatic acids : en fr
  • US2520127A - Method of purifying rutin : en
  • FR965038A - : fr
  • FR964929A - : fr
  • DE1612486U - PLANT AND ORNAMENTAL POT. : de en
  • DE1612695U - COOKING STOVE. : de en
  • DEP0001246DA - Heel for shoes : de en
  • GB642300A - Improvements in sheet registering mechanism : en
  • FR964944A - : fr
  • GB642292A - A method and device for concentrated heating by induction currents : en
  • DE1612628U - SCHAREGGE. : de en
  • AU148908B2 - An artificial tooth, the enamel portion ofwhich comprises the copolymerisation product ofan olefinic substance andan unsaturated polyester : en
  • CH270168A - Double plow. : en fr
  • GB642312A - Method and means for cooling internal-combustion engines : en
  • GB642230A - Improvements in or relating to the production of sponge rubber : en
  • US2520130A - Night switching for private automatic branch exchanges : en
  • US2520235A - Rotating disk game : en
  • US2520452A - Demountable stair structure : en
  • GB642244A - Improvements in or relating to printing telegraph systems and apparatus : en
  • DEC0000768MA - Device for preheating the combustion air in stoves and ovens : de en
  • US2520575A - Flush tank and bowl combination : en
  • USD159933S - Game board : en
  • ES24079U - Case with special mechanism for lipsticks. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642342A - Improvements in ovens for baking and other purposes : en
  • GB642365A - Improvements in or relating to scaffolding : en
  • GB642391A - Improvements in wire fabric tyre casing : en
  • DE1612629U - HAND MOTOR MACHINE WITH UPSTANDING HEADING DEVICE. : de en
  • GB642371A - Improvements in or relating to processes for preparing pure crystalline salts of penicillin, and the pure crystalline salts of penicillin resulting therefrom : en
  • GB642394A - Improvements in devices for holding and fixing adhesive tape : en
  • DE1612582U - ELECTRICALLY INSULATING FASTENER. : de en
  • GB642267A - Condenser with a laminated dielectric thickened at its marginal portions : en
  • GB642355A - Improvements in dentures and artificial teeth : en
  • GB642154A - Improvements in stop motion mechanism for circular knitting machines : en
  • CA17807S - Link for a bracelet : en
  • DE800099C - wheelbarrow : de en
  • ES24072U - Utensil washer with water distribution. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642116A - Improved method and means for moulding plastic articles : en
  • GB642370A - Improvements in or relating to process of preparing pure crystalline salts of penicillin, and the improved pure crystalline salts of penicillin resulting therefrom : en
  • US2520754A - Railway tie : en
  • US2520660A - Pressure switch : en
  • DE1612556U - PUMP HOLDER WITH LOCK FOR BICYCLES. : de en
  • DE1612666U - PACK. : de en
  • CA467599A - Agricultural machines : en fr
  • CA467621A - Corrosion inhibitors : en fr
  • CH270237A - Spat. : de en
  • DE1612373U - HOLLOW HOLDER WITH BRUSH AND A CARTRIDGE THAT CONTAINS THE MEASURING MEASURES. : de en
  • DE1612693U - SMALL STOVE. : de en
  • DE1612395U - PIPE HANGER. : de en
  • FR965078A - : fr
  • CH270453A - Ski binding with deep draw organ. : de en
  • DE1612667U - Holding device on tubes for their caps : de en
  • US2520198A - Service indicator : en
  • US2520415A - Sewing-machine guide : en
  • US2520895A - Sheet material spreading machine : en
  • US2520299A - Safety control means with flash tube for oven burners : en
  • USPP976P - Rqsje plant : en
  • US2520288A - Plug cock : en
  • USD159893S - Child s slipper holder : en
  • DE1612446U - PUNCH DEVICE. : de en
  • GB642381A - Improvements in or relating to the manufacture of containers such as barrels : en
  • DE800097C - Wheel pump with several suction and pressure points, especially for conveying lubricating oil, e.g. B. for multi-cylinder two-stroke engines : de en
  • CA467747A - Signalling : en fr
  • DE1612673U - TYPEWRITER TROLLEY. : de en
  • ES24045U - A closing device (Machine-translation by Google Translate, not legally binding) : en es
  • US2520435A - Resilient faceplate for recessed vise-jaws : en
  • DEP0000351DA - Flush-mounted junction box : de en
  • GB642398A - Improvements in or relating to receiving apparatus for radio navigation systems : en
  • US2520485A - Safe failure measuring and controlling apparatus : en
  • US2520702A - Adjustable head for golf clubs : en
  • ES24109U - Box to hold knives. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642284A - Apparatus for sorting small articles : en
  • US2520375A - Adapter : en
  • FR965090A - : fr
  • DE1612420U - FOLDING-UP WALLPAPER TABLE. : de en
  • DE1612547U - CUTTING PLUG FOR CUTTER HEADS IN GEAR HOBBING MACHINES. : de en
  • US2520358A - Heterocyclic bis acetones, thioacetones, and selenoacetones : en
  • AU3527750A - Improvements in metal cabinet frames : en
  • CA467705A - Pulverizers : en fr
  • CA467780A - Circuit breakers : en fr
  • DE1612624U - SCISSOR BAND. : de en
  • PL34135B1 - : en pl
  • US2520385A - Animal confining means : en
  • US2520822A - Infeed attachment for centerless grinding machines : en
  • CH270383A - Moving coil relay. : de en
  • DEP0029637DA - Shaft furnace, especially cupola furnace. : de en
  • GB642175A - Automatic electric circuit breakers : en
  • DK71428C - Hose clamp and method of making the same. : da en
  • FR965022A - : fr
  • GB642215A - Improvements in and relating to gas turbine plant : en
  • GB642262A - Improvements in bed settees and the like : en
  • GB642306A - Improvements in or relating to pressure-sensitive adhesive tape, and method of producing same : en
  • US2520870A - Purification of hydrogen peroxide : en
  • FR965042A - : fr
  • CH270347A - Piston gas machine with colder and warmer working space. : de en
  • GB642325A - Improvements relating to the catalytic cracking of heavy hydrocarbons : en
  • GB642345A - Coated and laminated articles : en
  • US2520669A - Knob spindle securing means : en
  • PL34170B3 - : en pl
  • US2520138A - Panoramic receiving system : en
  • CA467652A - Circuit breakers : en fr
  • PL34152B1 - : en pl
  • AU146656B2 - Launching arm for self-propelled projectiles : en
  • US2520609A - Cross-linked polymeric materials and method of making same : en
  • USD159935S - Simon combination telephone instrument and memorandum pad support : en
  • US2520801A - Fractional separation of fatty oil substances : en
  • CA467635A - Rail car underframes : en fr
  • CH270265A - Process for the production of a new plastic. : de en
  • US2520752A - Cap holding means for fountain pens : en
  • DE1612679U - MONITORING DEVICE FOR SUCKLINGS AND SMALL CHILDREN. : de en
  • US2520705A - Shielded ignition cable : en
  • US2520515A - Casket handling apparatus : en
  • US2520824A - Spray gun for fire apparatus and the like : en
  • US2520851A - Wiring harness and control device for electric blankets or the like : en
  • CA467651A - Rectifiers : en fr
  • CH270204A - Device for cleaning floor rags and the like. : de en
  • CH270391A - Flask for the production of synthetic resin dentures. : de en
  • CH270194A - Sink unit. : de en
  • CA467750A - Automatic valves : en fr
  • CH270177A - Mechanical plastering device. : en fr
  • US2520295A - Control of free piston type internal-combustion compressors : en
  • US2520524A - Blind construction : en
  • US2520666A - Gamma, gamma-dicarbalkoxy butyraldehydes and process : en
  • US2520866A - Method of aligning highway crossing signal lamps : en
  • CH270258A - A method of making soap. : en fr
  • AU151635B2 - Formation ofa filmon a matt surface : en
  • CH270404A - Device for retransmission of alternating current signals. : en fr
  • CH270377A - Speed modulated electron tube. : en fr
  • AU149658B2 - Improvements relating to plastic moulding machines : en
  • AU149027B2 - Improvements in television apparatus : en
  • PL34143B1 - : en pl
  • CH270362A - Clamp for connecting overhead lines. : de en
  • SU85307A1 - Rack pusher to the methodical thermal heating furnace : en ru
  • DE800118C - Device for the automatic conveyance of bulk goods from a fixed loading point to a fixed unloading point with an electrically driven conveyor carriage : de en
  • CH270379A - Circuit arrangement with an electron beam switch. : de en
  • DEP0041144DA - Coat rack : de en
  • FR965073A - : fr
  • GB642086A - A method of removing carbon from steel : en
  • CA467724A - Tubular frame structures : en fr
  • USD159904S - Toy pistol : en
  • SU85360A1 - Press for packing cotton fiber into cylindrical bales : en ru
  • US2520459A - Locking apparatus : en
  • USD159911S - Combination piano, radio, and phonograph : en
  • GB642285A - Improvements in or relating to spring balances : en
  • AU146737B2 - Improvements relating to disc cultivators andthe like : en
  • AU148791B2 - Improvements in and relating to speed indicating devices with reduction gearing : en
  • DESC000127MA - Machine for cutting bread, meat products, cheese and the like. : de en
  • AU3537350A - Improvements in or relating toa non-stressed dimensionally stable tape and method of making thesame : en
  • US2520548A - Ice skate : en
  • US2520564A - Load holding attachment for industrial trucks : en
  • CA467778A - Fluid pressure control apparatus : en fr
  • CH270232A - Dust vacuum cleaner. : en fr
  • DE1612422U - MANY BAKING AND COOKING PAN. : de en
  • GB642228A - Improvements in process for enameling aluminium-rich alloys and products produced thereby : en
  • CA467713A - Automatic doughnut formers : en fr
  • AU150443B2 - Water impermeable films comprising a coated regenerated cellulose base and their manufacture : en
  • CH270423A - Fitting from which at least part of a box is to be made by folding. : de en
  • DE1612404U - INTERCHANGEABLE RUNNERS AND INTERCHANGEABLE RUBBER HEELS ON THE RELATED HOLDING PLATE. : de en
  • DE1612610U - PROTECTIVE COAT FOR TABLETS. : de en
  • US2520509A - Resistor : en
  • US2520714A - Electrodynamic hand microphone of the pressure gradient type : en
  • US2520451A - Tractor loading attachment : en
  • US2520813A - Electron optical system : en
  • US2520284A - Time announcing phonograph : en
  • US2520835A - Harvesting tractor and drive control therefor : en
  • CH270374A - Electromagnetic relay. : en fr
  • DE1612585U - WINDOW ANTENNA. : de en
  • DE1612604U - PROTECTIVE HANDLE FOR ELECTRODE HOLDER, FORGING TOOLS SUCH AS PLIERS AND THE LIKE. : de en
  • CH270409A - Magnetron oscillator with two tuned oscillation circuits. : de en
  • DE1612644U - JACKING SHEARS MADE OF CAST METAL OR PLASTIC. : de en
  • ES191747A1 - AN INDUSTRIAL PROCEDURE FOR THE MANUFACTURE OF A NEW SOLE FOR FOOTWEAR, MAINLY ESPADRILLES : en es
  • ES24113U - Garment for bathroom exit (Machine-translation by Google Translate, not legally binding) : en es
  • AU148943B2 - Improvements in or relating tothe drafting of textile fibres : en
  • ES24059U - Feet for folding bassinet-cradle (Machine-translation by Google Translate, not legally binding) : en es
  • CH270313A - Cutting tool. : de en
  • CH270331A - Compressors, in particular for refrigeration systems. : de en
  • CA467648A - Shorting bars for concentric lines : en fr
  • US2520185A - Pulse intercommunication telephone system : en
  • CH270428A - Device for driving a machine attached to a tractor with a power take-off shaft. : de en
  • DE1612450U - Motor vehicle trailer with load and sleeping space : de en
  • DE1612627U - CAN WITH SLIDING LID, ESPECIALLY FOR TAKING TOBACCO. : de en
  • CA467708A - Telephone register control systems : en fr
  • CA467723A - Pellets and methods of making the same : en fr
  • PL34132B1 - Device for the production of pulp from materials containing lignocellulose : en pl
  • US2520658A - Method of galvanizing cylindrical tanks : en
  • CA467703A - Continuous ball mills : en fr
  • US2520264A - Substituted 3, 1-benz-2, 3, 4, 5-tetrahydroazepines : en
  • US2520832A - Coupler operating rod bracket : en
  • US2520661A - Crucifix : en
  • US2520814A - Impulse emitting device : en
  • CA467734A - Methods of manufacturing indirectly heated cathodes : en fr
  • FR964971A - : fr
  • FR965023A - : fr
  • CA467695A - Testing circuits : en fr
  • PL34136B1 - : en pl
  • AU149728B2 - Improvements in lids for kettles andother water boilers : en
  • DE1612437U - MOTOR VEHICLE BOX, ESPECIALLY MADE OF SHEET METAL. : de en
  • ES23155Y - Needle needle threader : en es
  • ES24094U - Apparatus for determining the level of water near and distant from it, applicable to ships, wells, reservoirs and similar places. (Machine-translation by Google Translate, not legally binding) : en es
  • BE495557Q - Radiant thermal conditioning device : en fr
  • BE495686A - MECHANICAL COUPLING AND BREAKING DEVICE OF INDEPENDENT TOTALIZING SYSTEMS. : en fr
  • CA467611A - Bedsteads : en fr
  • CH270218A - Method and device for compensating for errors in weighing at feed devices for cards. : de en
  • PL34161B1 - : en pl
  • USD159942S - Stirring apparatus drive wheel : en
  • US2520431A - Attachment for cranes : en
  • US2520693A - Direction finder : en
  • US2520763A - Abrasive article of manufacture : en
  • US2520891A - Drying of starchy foodstuffs : en
  • US2520401A - Production of thiosulfenamides : en
  • US2520899A - Electrical instrument : en
  • PL34144B1 - : en pl
  • US2520323A - Landing gear unit for airplanes : en
  • DE1612526U - ENGINE MOUNTING FOR WASHING MACHINES. : de en
  • CA467732A - Reflex harmonic generators : en fr
  • US2520124A - Rock wool mass : en
  • USD159895S - Child s slipper holder : en
  • DE1612354U - PARKING SWITCH FOR WIPER MOTORS. : de en
  • FR964933A - : fr
  • USD159894S - Child s slipper holder : en
  • CA467660A - Circuit breakers : en fr
  • DE800088C - Spring push rod for curtains : de en
  • DK71419C - Device for winding machines, spooling machines or similar machines. : da en
  • ES24050U - Toy ball gun machine. (Machine-translation by Google Translate, not legally binding) : en es
  • DEP0039225DA - Dividing apparatus : de en
  • DE1612364U - PRESSED OR INJECTED OBJECTS FOR EVERYDAY NEEDS MADE OF TRANSLUCENT RESIN. : de en
  • DE1612592U - DEVICE PLUG. : de en
  • US2520142A - Code translator : en
  • AU3538850A - Improvements in portable power tools : en
  • CA467726A - Shipping containers : en fr
  • CA467767A - Hole closure knock-out plugs : en fr
  • FR964961A - : fr
  • FR964982A - : fr
  • GR12582B - UNFORTUNATELY (AUTOMATIC REPEATING WEAPON). : el en
  • CA467664A - Control systems : en fr
  • DE1612523U - DEVICE FOR PARKING IRONS. : de en
  • PL34127B1 - A method of equalizing and controlling the pressure of rollers while processing rolls * or runes, and a device for performing this method : en pl
  • DK71434C - Tube closure with a sliding piston in a cap that closes the tube opening. : da en
  • DE1612700U - MECHANICAL RETRIEVING AND RELEASE DEVICE FOR DRIVING NETS ON HERRING LOGGERS. : de en
  • DE1612416U - PACKAGING FOR CHEESE. : de en
  • DE1612594U - RUBBER-INSULATED ELECTRICAL CABLE, IN PARTICULAR FOR UNDERGROUND MINING. : de en
  • AU3533750A - Improvements relating to washing machines : en
  • CH270341A - Cylinder head for internal combustion engines. : de en
  • USD159883S - Tube holder : en
  • USD159915S - Combined siren and spotlight or the like : en
  • GB642092A - Manufacture of therapeutically active sulphur compounds : en
  • DE1612468U - VACUUM COOKING UNIT IN TWIN VERSION. : de en
  • GB642340A - Improvements in or relating to apparatus for and methods of bending sheet metal : en
  • PL34137B1 - : en pl
  • DK71421C - Method for making artificial teeth from porcelain or similar ceramic masses. : da en
  • DE1612435U - BUILDING BLOCK. : de en
  • US2520396A - Die structure for metallic cartridge belt links : en
  • US2520625A - Storm ventilator : en
  • US2520722A - Log grapple : en
  • US2520739A - Electric coupling : en
  • FR965045A - : fr
  • FR965041A - : fr
  • GB642347A - Improvements in the construction of vehicle bodies : en
  • FR964987A - : fr
  • GB642216A - Improvements in or relating to electrical frequency-multiplying arrangements : en
  • SU84801A1 - Continuous aeration apparatus for sparkling wines and other liquids in bottle containers : en ru
  • US2520316A - Means for controlling the movement of a tool : en
  • US2520886A - Cuff link : en
  • DE1612456U - ENGINE AND CHAIN GUARD FOR MOTORS. : de en
  • US2520256A - Method of producing glucuronic acid : en
  • DEP0007813DA - Talk head with high frequency oscillator : de en
  • US2520605A - Brush applicator carried by closure : en
  • US2520803A - Carrying rack for roll-ball game equipment : en
  • US2520856A - Fuel pump control means : en
  • GB642088A - Plough body : en
  • PL34149B1 - : en pl
  • DE1612546U - WORK SHAFT FOR ROTATING TOOLS. : de en
  • DE1612366U - THROWING SKILL GAME. : de en
  • FR964922A - : fr
  • DEU0000081MA - Device for shaping sanding with centerless sanding machines using the straight-through method. : de en
  • FR965088A - : fr
  • US2520353A - Tire pressure alarm switch : en
  • US2520646A - Electroacoustic transducer : en
  • USD159929S - Automotive vehicle hood ornament : en
  • AU2954949A - Improvements in and relating to refrigerating cabinets : en
  • CA467646A - Breaker mechanism : en fr
  • DK71429C - Device for kneading machines for edible fats. : da en
  • CA467712A - Fishing reels : en fr
  • DEP0027025DA - Process for sealing pressure vessels : de en
  • ES24048U - Protective cover. (Machine-translation by Google Translate, not legally binding) : en es
  • US2520213A - Gas proportioning apparatus : en
  • US2520511A - Pinless clothesline : en
  • DE1612498U - FOLDING SAMPLE SUITCASE, IN PARTICULAR FOR SHOES. : de en
  • ES23609U - Heel for footwear (Machine-translation by Google Translate, not legally binding) : en es
  • ES24106U - Dropper for dosing (Machine-translation by Google Translate, not legally binding) : en es
  • DE800101C - Double hinge, especially for motor vehicle doors : de en
  • DER0001311MA - Process for the production of sandpaper, abrasive cloth and the like. : de en
  • US2520141A - Panoramic receiver for radio signals : en
  • US2520357A - Child's garment : en
  • US2520720A - Bituminous compositions : en
  • AU145657B2 - Handle and shaft assembly : en
  • US2520583A - Buckle for overall suspender straps : en
  • US2520159A - Igniter for vaporizing oil burners of the open receptacle type : en
  • US2520728A - Cathode-ray tube deflection sensitivity correction circuit : en
  • DE1612683U - HIGH CURRENT DISCONNECTOR. : de en
  • US2520543A - Table trolley, or the like : en
  • US2520679A - Thermoelectric generating device : en
  • FR964951A - : fr
  • FR965027A - : fr
  • FR964996A - : fr
  • GB642193A - Improvements in or relating to filter-elements : en
  • FR964981A - : fr
  • DE1612586U - RADIO RECEIVER WITH BATTERY TUBES. : de en
  • US2520778A - Dual axle vehicle suspension : en
  • US2520897A - Electrical instrument : en
  • GB642308A - Methods of shaping sheet thermoplastic material centrifugally : en
  • FR965047A - : fr
  • FR965014A - : fr
  • GB642259A - Improvements in light-reflecting signals : en
  • DE1612601U - POSITION LAMP LIGHT BULB. : de en
  • DE1612642U - DOOR LOCKING DAMPER FOR SOCKET LOCK. : de en
  • DEP0043713DA - Tool for hammering numbers into work pieces : de en
  • DE1612632U - NOZZLE DISTANCE GAUGE FOR TURNING MACHINES. : de en
  • DE1612363U - LETTER OPENER WITH INSERTED MAGNIFIER. : de en
  • DE1612466U - LINE REEL FOR ELECTRIC PENDANT LAMPS. : de en
  • FR965018A - : fr
  • GB642389A - Manufacture of graphitic material : en
  • FR964994A - : fr
  • FR964953A - : fr
  • FR965012A - : fr
  • FR965065A - : fr
  • PL34125B1 - : en pl
  • US2520160A - Bath cloth with soap container : en
  • US2520558A - Oarlock : en
  • DE1612517U - WATERPROOF WATCH CASE. : de en
  • GB642320A - Improvements in or relating to magnetically operated, speed responsive control apparatus : en
  • CA467691A - Pulse width measuring systems : en fr
  • CH270229A - Method and device for the manufacture of knitted goods. : de en
  • US2520137A - Retiring cam mechanism for unlatching elevator doors : en
  • US2520844A - Device for dumping trucks : en
  • AU3534150A - Compass system : en
  • CA467702A - Azo dye components of the amino naphthol series for diazo types : en fr
  • CH270410A - Method for multichannel message transmission with pulse modulation. : de en
  • US2520423A - Partial hydrogenation of unsaturated glyceride oils : en
  • CH270393A - Orthopedic shoe insole. : de en
  • GB642108A - Improvements in or relating to electric switches of the multi-pole type : en
  • BE495672A - : en nl
  • AU148410B2 - Improvements in or relating to radar systems : en
  • DE1612381U - FOLDING LIGHT STICK LADIES UMBRELLA WITH ELECTRIC INTERIOR LIGHTING AND ELECTRIC STICK LAMP IN THE HANDLE OF THE UMBRELLA, TO BE USED AS UMBRELLA AND ELECTRIC STICK LAMP. : de en
  • AU3535350A - Improved fittings use in respect ofthe tailgates of motor andother trucks or waggons : en
  • CA467762A - Methods of producing composite plates or sheets : en fr
  • US2520592A - Telephone test set with line resistor : en
  • US2520613A - Adjustable window curtain : en
  • CH270408A - Device for modifying the characteristics of an electromagnetic wave. : en fr
  • BE495522A - : en
  • BE495630A - PROCESS FOR PREPARING TOOTHPASTE AND OTHER MOUTH HYGIENE PRODUCTS, AND ARTICLES THUS OBTAINED. : en fr
  • CA467682A - Processes for obtaining laminated products : en fr
  • PL34165B1 - : en pl
  • US2520217A - Curtain rod guide : en
  • AU151297B2 - Thrust indicator system : en
  • US2520296A - Electric still camera : en
  • US2520442A - Combined shock and vibration mount : en
  • CA467593A - Dry egg compositions : en fr
  • CA467667A - Agricultural implements : en fr
  • AU150548B2 - An improved wrapping machine for newspapers andthe like publications : en
  • DE1612403U - BALLPOINT PEN FOR PASTE AND INK FILLING. : de en
  • ES190988A1 - AN APPARATUS CONSISTENT OF AN AUTOMATIC TEMPERATURE REGULATOR : en es
  • CH270447A - Process for the production of a new amine derivative. : de en
  • AU151597B2 - Improvements relating tothe sterilization of liquid foodstuffs and beverages : en
  • GB642128A - Improvements relating to methods of decomposition of waste sulphuric acid to sulphurdioxide : en
  • GB642132A - Drying and conditioning apparatus : en
  • DE1612566U - Dexterity slot machine. : de en
  • US2520882A - Process for the manufacture of : en
  • AU145496B2 - Thread storage-thread advancing device : en
  • CH270260A - Process for the production of shaped bodies from coal. : de en
  • CH270360A - A method of manufacturing an electrically insulating material using magnesium oxide and a material obtained by this method. : en fr
  • DE1612439U - Sparkasse, in which a lever mechanism is operated when a coin is inserted : de en
  • GB642095A - Improvements in or relating to receivers for pulse-modulation signalling systems : en
  • GB642351A - Improvements relating to sealed packages : en
  • DE1612622U - DRAWING FOLDER FOR EXERCISE AND TEACHING PURPOSES. : de en
  • US2520190A - Cathode-ray tube : en
  • US2520191A - Refrigerant expansion valve : en
  • US2520523A - Universal device for sharpening hypodermic needles : en
  • US2520528A - Damped spring device for use with vehicles : en
  • US2520212A - Time-delay relay : en
  • US2520724A - Rotary roller pump : en
  • US2520708A - Electromagnetic circuit controller : en
  • FR965082A - : fr
  • US2520682A - Method and mold for making candles : en
  • US2520833A - Concrete compacting device : en
  • US2520854A - Collating board : en
  • FR964916A - : fr
  • DE1612508U - ARRANGEMENT OF A FLOATING DISC DEVICE WITH CUBE SYMBOLS AS AN ENTERTAINMENT GAME. : de en
  • US2520700A - Attachment for adjusting the pitch of a level body : en
  • PL34134B1 - : en pl
  • US2520277A - Collapsible box : en
  • US2520408A - Lawn edging device : en
  • USD159889S - Nventor by : en
  • ES23404U - A special armor for electric motors (Machine-translation by Google Translate, not legally binding) : en es
  • US2520510A - Capacity control for steam generators : en
  • ES24091U - Support for placement of price indicator numbers. (Machine-translation by Google Translate, not legally binding) : en es
  • CA467633A - Diaphragm supports for railway cars : en fr
  • CA467659A - Circuit breakers : en fr
  • DE1612678U - DRIVE DEVICE FOR TUNING AN ADDITIONAL VHF DEVICE BUILT IN A RADIO RECEIVER. : de en
  • CH270268A - Installation for perforating and superimposing strips of foldable material. : en fr
  • US2520629A - Automatically operated venetian blind : en
  • DE1612562U - DEVICE FOR OPENING AND CLOSING SHUTTERS. : de en
  • US2520753A - Heat-treatment of magnesium base alloys : en
  • US2520861A - Sled construction : en
  • BE495611A - : en
  • FR965054A - : fr
  • DE1612353U - SEAT CONSTRUCTION FOR CHILDREN'S SPORTS, DOLL CARS, OR THE LIKE. : de en
  • DE1612401U - WATER RESERVOIR TO HANG IN PERSONNED VEHICLES. : de en
  • FR964991A - : fr
  • US2520590A - Apparatus for treatment of stiff joints : en
  • US2520780A - Crab net : en
  • ES24004U - Liquid filler cap for bottles and all types of containers (Machine-translation by Google Translate, not legally binding) : en es
  • GB642192A - Improvements in or relating to electrical heating elements and process of making same : en
  • DE1612386U - DOUBLE BED COUCH. : de en
  • DE1612544U - SHUT-OFF VALVE, IN PARTICULAR FOR FUEL LINES ON MOTOR VEHICLES. : de en
  • USD159890S - Tot savings bank : en
  • GB642218A - Improved track construction for model railways : en
  • CA467632A - Methods of and means for making dies : en fr
  • US2520250A - Luggage cover having side and end walls laterally stretchable and longitudinally yieldable : en
  • US2520119A - Electron tube : en
  • US2520388A - Apparatus for supporting combustion in fast-moving air streams : en
  • US2520482A - Insulated conduit : en
  • US2520621A - Frequency discriminator : en
  • US2520487A - Swinging blade razor : en
  • AU143630B2 - Improvements in and relating to refrigerating cabinets : en
  • DE1612357U - FOOTREST DEVICE FOR MOTOR VEHICLES. : de en
  • DK71412C - Typewriter for typewriters and similar machines. : da en
  • ES190266A2 - DEVICE APPLICABLE TO HANDLEBARS OF BICYCLES AND SIMILAR VEHiCLES TO MAKE THEM ARTICULABLE : en es
  • FR964955A - : fr
  • ES190822A1 - IMPROVEMENTS MADE IN THE PREPARATION OF CATHODIC RAY TUBE SCREENS : en es
  • FR965071A - : fr
  • USD159884S - Combination box and display device : en
  • USD159924S - Brooch or similar article : en
  • GB642372A - Improvements in or relating to processes for preparing pure crystalline salts of penicillin, and the pure crystalline salts of penicillin resulting therefrom : en
  • FR964903A - : fr
  • DEP0035496DA - Process for the production of alloys : de en
  • US2520816A - Cooking stove : en
  • US2520869A - Fluid flow indicator : en
  • CH270326A - Joint, in particular for connecting the shafts of a loom with their drive parts and the latter with one another. : de en
  • CH270327A - Fluid torque transfer device. : de en
  • CH270443A - Device on motor mowers to form a side mowing. : de en
  • FR964977A - : fr
  • US2520207A - Game board and arcuate playing pieces : en
  • US2520843A - Film projection apparatus with pivotally controlled claw feed : en
  • PL34133B1 - Method for the production of highly polymerized esters of polymethylene glycol and terephthalic acid : en pl
  • US2520735A - Synthetic rubber composition containing a fatty acid nitrile or polymer thereof and method of making the same : en
  • FR964964A - : fr
  • US2520224A - Tube assembly machine : en
  • US2520792A - Multirange overcurrent relay : en
  • DEP0028023DA - Mixer tap : de en
  • AU3534250A - Thrust indicator system : en
  • US2520221A - Joint : en
  • US2520350A - Clutch plate : en
  • CA467694A - Radio direction finders : en fr
  • US2520291A - Unloading truck : en
  • CA467738A - Electric discharge tubes : en fr
  • CH270203A - Apparatus for cross-cutting the thread on a bean. : de en
  • US2520305A - Curb indicator switch for vehicles : en
  • US2520559A - Portable pumping apparatus : en
  • US2520472A - 5-phenacylpyrimidines and method of preparing same : en
  • GB642279A - Improvements in and relating to bottle filling machines : en
  • PL34138B1 - : en pl
  • US2520177A - Variable rejection filter : en
  • DE1612509U - TOY SHOVEL. : de en
  • AU3527150A - Improvements in and relating to sparking plugs : en
  • CA467661A - Two-station control of fluid motors : en fr
  • US2520438A - Bis (4-aminophenyl)-sulfone ascorbate : en
  • US2520475A - Process for the chemical oxidation of aluminum and alloys thereof : en
  • DE1612384U - SPICE SHAKER WITH MULTIPLE CONTAINERS FOR DIFFERENT SPICES. : de en
  • DE1612560U - COMBINATION ROLLER AND ROLLER. : de en
  • CA467605A - Plant transplanters : en fr
  • CH270280A - Method for perforating cinematographic films and apparatus for carrying out said method. : en fr
  • CH270440A - Gas turbine power plant for aircraft propulsion. : de en
  • US2520411A - Rotary pruning saw : en
  • AU151876B2 - Line identification : en
  • US2520653A - Curtain assembly : en
  • CH270329A - Automotive crane. : en fr
  • US2520255A - Glucuronic acid synthesis : en
  • US2520382A - Pot strainer : en
  • CA467763A - Recovery of poly-glycerol resin : en fr
  • US2520642A - Remote control gate : en
  • US2520395A - Method and apparatus for anchoring draw cords : en
  • CA467600A - Anti-glare devices : en fr
  • CH270175A - Building construction with reinforced concrete. : de en
  • USD159938S - Baby s bottleholdee : en
  • US2520805A - Carboxy alkyl cellulose impression materials and impressions made therefrom : en
  • ES24096U - Zip closure with stirrup-shaped links. (Machine-translation by Google Translate, not legally binding) : en es
  • ES24119U - Reinforced and non-deformable armored racket (Machine-translation by Google Translate, not legally binding) : en es
  • CA467594A - Methods of and apparatus for producing films and products thereof : en fr
  • CH270205A - Machine for cleaning floors. : de en
  • AU3525250A - Preheater and vapourizer for gas turbine engines : en
  • AU3532250A - Method and apparatus forthe production of phenols by fusion reaction : en
  • CA467596A - Lock screws : en fr
  • DE1612640U - MAGNETIC PROTECTIVE LID FOR MEAT GRINDER. : de en
  • ES191017A1 - A LEVEL REGULATOR MECHANISM FOR MINING FORKLIFTS AND OTHER LIFTS : en es
  • PL34129B1 - A method of pre-softening water used to feed steam boilers and similar tanks and a device for carrying out the method : en pl
  • ES190832A1 - A PROCEDURE FOR MAKING A SHEET OF PAPER : en es
  • ES24036U - Auxiliary nozzles for filtering. (Machine-translation by Google Translate, not legally binding) : en es
  • CH270294A - Electrical device for monitoring the intensity profile of audio-frequency signals. : de en
  • AU3534350A - Improvements in television apparatus : en
  • CH270264A - Process for making articles obtained from superpolyamides previously treated with formaldehyde less sensitive to the action of solvents. : en fr
  • US2520464A - Grass cutting implement : en
  • US2520690A - Sawing guide attachment for band saws : en
  • AU146076B2 - Improvements in or relating to axial flow turbines and compressors : en
  • CH270238A - Suspenders. : de en
  • AU3531550A - Thread storage-thread advancing device : en
  • DE1612433U - ALL-BURNER CONTINUOUS OVEN. : de en
  • DE800084C - Garment made of knitted fabric with a plated waistband : de en
  • CA467589A - Load snubbing apparatus : en fr
  • US2520821A - Heat exchanger and method of assembling the same : en
  • AU3536850A - Air delivery devices for ventilating apparatus : en
  • CH270378A - Dry contact rectifier and process for its manufacture. : en fr
  • DE1612443U - CARBIDE PLATES. : de en
  • ES24056U - Closing cap applicable to bottles and containers of variable mouth diameter perfected (Machine-translation by Google Translate, not legally binding) : en es
  • AU3538350A - Improvements in pneumatic elevators for flour mill stocks : en
  • CA467769A - Direct reading capacity meters : en fr
  • USD159882S - Tube holder : en
  • US2520494A - Distilling column and the like : en
  • US2520826A - Means for preventing deformation of tubular cores : en
  • USD159908S - Meat tenderizer or similar article : en
  • US2520176A - Pocket wallet or letter case : en
  • US2520268A - Sustaining rotor for rotating wing aircraft : en
  • US2520298A - Safety control means with flash : en
  • US2520329A - Work holder : en
  • US2520662A - Indicating device for bowling alleys having elevatable pin. receiving means : en
  • US2520894A - Thermostatic control device : en
  • CH270458A - Process for the preparation of a new derivative of streptomycin. : de en
  • DE1612396U - BET PAYING CARD. : de en
  • DE1612643U - DOOR LOCKING DAMPER WITH LOCKING LOCK FOR MOCKET LOCK ON GLASS LOCK. : de en
  • DE1612694U - PAPER BAG. : de en
  • DE1612555U - Support arm for holding the side flap of a dump truck during tipping : de en
  • AU144303B2 - Improvements in fittings for fluorescent lamps : en
  • CA467722A - Wash basin installation : en fr
  • US2520285A - Gun support : en
  • CA467735A - Gas and/or vapour-filled rectifying tubes : en fr
  • CH270282A - Ballpoint pen with water-soluble ink concentrate filling. : de en
  • DE1612631U - VACUUM CLEANER FOR PIPELINES AND TANK. : de en
  • US2520274A - Bark stripper and splitter : en
  • ES24088U - An improved fashion magazine (Machine-translation by Google Translate, not legally binding) : en es
  • US2520651A - Artificial carbons for electrical and the like uses : en
  • US2520122A - Lock nut : en
  • USD159939S - Baby s bottleholder : en
  • US2520626A - Gas liquefaction process and apparatus : en
  • US2520857A - Lift truck : en
  • CA467592A - Electrolytic water correction devices : en fr
  • US2520440A - Partial hydrogenation of unsaturated glyceride oils in solvents : en
  • US2520868A - Grinding machine and like machine tools : en
  • CH270344A - Gas turbine power plant. : de en
  • DK71413C - Process for the preparation of antiseptic ice cream. : da en
  • CH270400A - Cabinet for sorting documents. : en fr
  • US2520417A - Sanitary attachment for disinfecting telephone mouthpieces : en
  • US2520688A - Ink roller vibrating means : en
  • US2520777A - Means for utilizing brake torque in a vehicle suspension : en
  • US2520879A - Lubricating system : en
  • AU146645B2 - Improvements in or relating to vented shaft seal : en
  • CA467655A - Measuring apparatus : en fr
  • DK71425C - Device with tone arms for gramophones. : da en
  • ES190927A1 - A DEVICE FOR THE CONTROL AND REGULATION OF THE PRESSURE OF VEHICLES : en es
  • US2520692A - Gas and air mixing device : en
  • US2520412A - Swinging cooker : en
  • US2520759A - Setting and releasing emergency foot brake mechanism : en
  • US2520799A - Camera having film cutoff knife and removable magazine : en
  • US2520552A - Bait casting reel : en
  • GB642120A - Improvements in or relating to fume exhausters particularly for welding : en
  • GB642400A - Improvements in or relating to receiving apparatus for radio navigation systems : en
  • DE1612574U - BENDING MACHINE. : de en
  • CA467663A - Overload relays : en fr
  • CA467681A - Hydrogenation processes for obtaining alicyclic amines using ruthenium catalysts : en fr
  • FR965050A - : fr
  • GB642274A - Improvements in or relating to burners : en
  • US2520536A - Door hinge : en
  • GB642145A - Improvements in heat engines particularly internal combustion engines : en
  • FR965008A - : fr
  • US2520627A - Combined dust-ridding and sand-reclaiming shield : en
  • CH270338A - Electrical ignition device with an ignition magnet intended for internal combustion engines. : de en
  • CH270395A - Device on bandage material reel, for cutting bandage material. : de en
  • DE1612421U - ADJUSTABLE BAKING FORM. : de en
  • DE1612536U - ADVENT CALENDAR. : de en
  • FR964954A - : fr
  • DE800093C - Bracket for shuttering and cleaning high walls and like : de en
  • DEP0025669DA - Gap sealing on waste water centrifugal pumps and water turbines. : de en
  • FR964920A - : fr
  • DEP0005325DA - Pneumatically controlled shut-off valve : de en
  • US2520231A - Corner brace for furniture : en
  • US2520787A - Pleating of draperies : en
  • US2520135A - Warping apparatus : en
  • US2520607A - Cam-making lathe attachment : en
  • DE1612663U - BALLOON, IN PARTICULAR AIR BALLOON. : de en
  • DE800079C - Evaporator for refrigeration systems : de en
  • GB642250A - Improvements in or relating to devices for cutting or trimming grass banks and the like : en
  • GB642373A - Thermionic valve circuit for the generation of a current varying linearly with time : en
  • DEP0052692DA - High pressure shut-off valve : de en
  • ES192205A1 - A SPECIAL TWO-STROKE BIKE ENGINE : en es
  • IE19246L - Manufacture of cigars, cigarillos, etc. : en
  • CA467746A - Scanning circuits : en fr
  • DE1612518U - PROTECTIVE CAPSULE FOR WATCHES. : de en
  • US2520815A - Lifting tongs : en
  • US2520328A - Cigar lighter locking mechanism : en
  • US2520533A - Ribbon-type parachute canopy : en
  • ES192332A1 - A PROCEDURE FOR THE MANUFACTURE OF FOOTWEAR : en es
  • FR964970A - : fr
  • US2520366A - Apparatus for washing clothes : en
  • US2520598A - Tilting type electric induction furnace : en
  • US2520768A - Coating roller adjusting mechanism : en
  • US2520686A - Jack : en
  • DE1612549U - TRANSLUCENT NEAR FOOT. : de en
  • DE1612438U - TIME STAMPING DEVICE. : de en
  • CH270267A - A method of manufacturing articles, such as sheets, bands, etc. bearing materials for transfer copying, and article obtained by this process. : en fr
  • DE800100C - Push cart, in particular for use in greenhouses : de en
  • US2520254A - Rescoring apparatus for golf clubs : en
  • US2520368A - Dispenser for deodorants : en
  • US2520783A - Tubular type oil well fishing tool : en
  • CH270208A - Recliner. : de en
  • DE1612436U - CEILINGS TO BE INSTALLED BETWEEN I-GIRDERS - HOLLOW BLOCK. : de en
  • ES190897A1 - A GUN FOR DISPERSION OF FUSABLE MATERIALS : en es
  • FR964935A - : fr
  • PL34169B1 - : en pl
  • US2520178A - 2, 3-diaryl-4-thiazolidones and their preparation : en
  • US2520443A - Planetary gear speed wrench : en
  • US2520782A - Boat : en
  • GB642258A - Improvements relating to moulding compositions containing amino-resins : en
  • US2520606A - Portable shovel : en
  • USD159916S - Slide viewer : en
  • DE800094C - Farm buildings, especially for agricultural purposes : de en
  • CA467684A - Beneficiating iron ores : en fr
  • DK71426C - Electrodynamic sound box and gramophone with such a sound box. : da en
  • US2520737A - Process of joining thick sheets of polyethylene : en
  • CH270346A - Device for the combustion of fuel in a rapidly flowing air stream. : de en
  • DE1612672U - BODY & DRAW LINKS. : de en
  • ES24070U - Game with interchangeable cards for educational purposes. (Machine-translation by Google Translate, not legally binding) : en es
  • US2520499A - Roof : en
  • DE1612569U - TOUR PROVIANT PACKAGE. : de en
  • GB642289A - Improvements in or relating to double layer cavity walls or wall slabs : en
  • ES24029U - Closing device for drawers (Machine-translation by Google Translate, not legally binding) : en es
  • US2520300A - Child's suit : en
  • US2520729A - Machine for producing heat energy : en
  • CA467591A - Placenta filters : en fr
  • CA467692A - Ultra high frequency electron discharge devices : en fr
  • DE1612584U - RADIO ALARM. : de en
  • CH270411A - System for the selective reception of the channels of a multi-channel pulse train with time modulation. : de en
  • AU145792B2 - Amill for compounding, mixing and sheeting plastic material : en
  • DEP0026961DA - Damping device for scales : de en
  • US2520864A - Closure for pressure vessels : en
  • US2520143A - Isolation of stigmasterol : en
  • CH270328A - Helical involute gear teeth produced using the hobbing process and hobbing process for producing such a gear. : de en
  • CH270414A - Control device with a variable reactance. : de en
  • US2520491A - Puppet for stop-motion technique : en
  • CA467680A - Production of fluoro-1,2-diazetidines : en fr
  • US2520889A - Apparatus for cleansing eggs in bulk : en
  • GB642153A - Process and apparatus for generating cold : en
  • DK71432C - Machine for processing shoe soles. : da en
  • ES192118A1 - AN IMPROVEMENT APPARATUS TO PRODUCE EXUDACTION BY SUPERVAPORIZATION FOR THERAPEUTIC PURPOSES : en es
  • FR964901A - : fr
  • US2520182A - Electron discharge apparatus : en
  • US2520454A - Production of dry sulfur trioxide : en
  • CA467759A - Reactors : en fr
  • DE800090C - Rafter and collar beam roof made of reinforced concrete : de en
  • FR964978A - : fr
  • GB642174A - An improved method for the production of sheets and moulded articles from cork : en
  • US2520199A - Ditch pipe forming machine : en
  • DEP0007815DA - Single motor drives : de en
  • GB642136A - Magnetic recording-reproducing head : en
  • US2520593A - Venetian blind bracket : en
  • DK71418C - Electric alternator. : da en
  • GB642318A - Improvements relating to absorption media for carbon monoxide and to the treatment of gases containing carbon monoxide : en
  • DE1612423U - PRESSURE REGULATORS FOR GASES AND LIQUIDS. : de en
  • ES24071U - Apparatus to prevent deterioration of the decoration of the walls by the back of the chairs (Machine-translation by Google Translate, not legally binding) : en es
  • GB642333A - Improvements in the manufacture of textile yarns and fabrics : en
  • GR12586B - ENGINE OF SMALL AND SPECIAL BOAT. : el en
  • GB642224A - Improvements relating to dial plates for spring balances and for other weighing machines : en
  • AU3029649A - An improved construction of revolving and adjustable chair for typists andother operatives : en
  • CA467719A - Centrifugal clutch controls : en fr
  • CH270421A - Wrapping machine. : de en
  • ES22158Y - Semi-chromatic or fourth tone guitar. : en es
  • AU3537750A - Improvements in and relating tothe production of translucent polymeric material from liquid monomeric esters : en
  • DES0001029MA - Horseshoes for clawed cattle : de en
  • ES24081U - New case for paper holders and paper for condoms. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642184A - Improvements in and relating to electrical condensers : en
  • AU3533350A - An improved automatic blowdown valve : en
  • ES191543A1 - A FLOOR FORGING SYSTEM BASED ON REINFORCED CONCRETE BEAMS WITH IRON RODS FILLED BY PIECES OF COOKED CLAY : en es
  • US2520378A - Internal-combustion engine : en
  • CH270297A - Accounting machine. : en fr
  • CH270405A - Microphone. : de en
  • US2520174A - Transmitter biasing circuit : en
  • US2520336A - Agitator for laundry machines : en
  • US2520164A - Fluid heating : en
  • AU3530150A - Method of removing excess impregnant from impregnated wood : en
  • CH270336A - Internal combustion engine. : en fr
  • CH270337A - Method of operating a two-stroke explosion engine, and engine for implementing this method. : en fr
  • DE1612545U - SELF-SEALING GLAND FOR GATE AND VALVES : de en
  • CH270206A - Change frame for pictures. : de en
  • CH270342A - Jet powertrain. : en fr
  • CA467656A - Rotor type contactors : en fr
  • CA467676A - Squeegee positioning devices : en fr
  • CH270211A - Holder to be attached to a piece of furniture for carrying objects. : de en
  • CH270262A - Process for producing a deformable mixture. : de en
  • AU155094B2 - Method and apparatus forthe production of phenols by fusion reaction : en
  • AU3527050A - Improvements in and relating tothe manufacture of cheese : en
  • CA467777A - Control valve mechanism : en fr
  • CH270434A - Rail vehicle with spring-loaded axle guide. : de en
  • AU152983B2 - Electrical current generating and distributing means adapted for use in internal combustion engine ignition systems orthe like : en
  • CA467670A - Manufacture of acetic anhydride : en fr
  • DE1612451U - DEVICE FOR SEALING THE GUIDE SLOTS IN THE FLOOR BOARD FOR THE ROD OF THE INDIVIDUAL PEDALS OF MOTOR VEHICLES. : de en
  • DE1612635U - LETTER ENVELOPE WITH TEAR STRING. : de en
  • DE800076C - Pit stamp : de en
  • DE800108C - Bicycle tire valve : de en
  • CA467754A - Clothes driers : en fr
  • US2520731A - Temperature compensated force and motion transmitting hydraulic system : en
  • ES24064U - Mechanism for the advance of the mines in the pens (Machine-translation by Google Translate, not legally binding) : en es
  • CA467710A - Sun visors : en fr
  • CA467728A - Facsimile overload controls : en fr
  • CH270209A - Bedroom furnishings. : de en
  • CH270291A - Ring scale for pressure and volume measurement. : de en
  • DE800114C - Process for decorating ceramic and glass objects : de en
  • DEP0028184DA - screwdriver : de en
  • DE1612380U - ICE CREAM MACHINES WITH REVOLVING SPATULAR SCREW. : de en
  • CH270281A - Auxiliary device for selecting image sections. : de en
  • CA467640A - Catadioptric television projectors : en fr
  • DE1612414U - ENTERTAINING GAME WITH FASTENING AND BRINGING JOKE CHARACTERS. : de en
  • FR964940A - : fr
  • CA467597A - Flooring manufacturing methods : en fr
  • CH270219A - Double drawing device, applicable in particular to continuous and spinning rewinders, spindle beds and drawing benches. : en fr
  • CH270442A - Device for controlling the acceleration thrust on an aircraft. : de en
  • DE1612596U - FASTENING CLAMP FOR CABLES. : de en
  • PL34173B1 - : en pl
  • FR964948A - : fr
  • CA467641A - Arrangements for improving the commutation in contact converters : en fr
  • USD159913S - Vehicle cab : en
  • US2520481A - Magazine or container for holding and dispensing razor blades : en
  • FR964905A - : fr
  • DEP0028149DA - Process for the production of composite metal bodies : de en
  • DE1612390U - LEAF SAW. : de en
  • CA467688A - Photocell multipliers : en fr
  • GB642275A - Improvements in fusible electric cut-outs : en
  • US2520189A - Processing alcholic beverage distillates : en
  • GB642270A - Improvements in and relating to the manufacture of viscose : en
  • CA467793A - Electrolytic water correction devices : en fr
  • DE800098C - Dump truck : de en
  • DE1612500U - STAND FOR DEMONSTRATION PURPOSES AND THE LIKE. : de en
  • DE1612535U - Curlers. : de en
  • ES24125U - Closure for belts. (Machine-translation by Google Translate, not legally binding) : en es
  • FR965089A - : fr
  • US2520311A - Shuttle eye block : en
  • US2520539A - Garment and collar construction : en
  • PL34139B1 - : en pl
  • US2520321A - Game marker dispenser : en
  • FR965029A - : fr
  • DE1612460U - HOLDER FOR WRENCH IN TOOL POCKETS OR THE LIKE. : de en
  • GB642140A - Improvements in or relating to the mounting of rotary cutting means for paper, card and the like : en
  • ES24063U - Foldable box for injectables (Machine-translation by Google Translate, not legally binding) : en es
  • US2520390A - Portable drill rig : en
  • US2520490A - Playing card holder : en
  • US2520218A - Gas-filled rectifying tube : en
  • US2520244A - Television pickup tube : en
  • US2520551A - N-substituted oxyacetamides : en
  • US2520560A - Vehicle wheel : en
  • US2520706A - Windscreen for microphones : en
  • FR965049A - Manufacture of glycolic esters of terephthalic acid : en fr
  • GB642263A - Improvements in the welt turning mechanism of straight-bar knitting machines : en
  • US2520169A - Method and apparatus for fiberizing molten material : en
  • US2520850A - Process of whitening alkaline earth carbonates : en
  • DEM0000739MA - Electrical clamp : de en
  • CH270225A - Circular loom for making tight fabrics. : en fr
  • ES24116U - Container to contain chemical and soapy substances, suitable for travel, washing and hygiene equipment. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642305A - Improvements in and relating to furniture constructions : en
  • ES190833A1 - A METHOD OF PREPARING A LOBSTER GUM MIX : en es
  • ES24123U - Cane with electric battery lamp (Machine-translation by Google Translate, not legally binding) : en es
  • GB642152A - Improvements in and relating to an arrangement for controlling the pitch of a variable-pitch propeller with two speeds of pitch-changing : en
  • DE1612407U - SHOE FILLER BLOCK FOR DECORATION PURPOSES. : de en
  • DEP0035535DA - Process for the preparation of derivatives of aliphatic high molecular weight sulfohalides : de en
  • FR965009A - : fr
  • GB642206A - Addition compounds of organic amides : en
  • DE1612482U - FLOATING ARRANGEMENT OF STONE WOOD FLOORING ON MASIVE CEILING. : de en
  • GB642221A - Improvements in or relating to evaporator calorimeters for radiators and the like : en
  • GB642396A - Improvements in or relating to fluid pressure-operated electrical switching devices : en
  • DEP0042713DA - Process for producing an electrical resistor : de en
  • FR964997A - : fr
  • ES21871U - Pacifier (Machine-translation by Google Translate, not legally binding) : en es
  • FR965093A - : fr
  • US2520823A - Oscillator frequency control : en
  • US2520204A - Electromagnetically controlled brake : en
  • US2520486A - Method of making stainless steel double sinks : en
  • USD159940S - Souvenir plaque : en
  • GB642081A - An improved clamping device for rods, bars and tubes : en
  • AU142181B2 - Improved supporting or mounting means for upholstery springs : en
  • FR965037A - : fr
  • FR964921A - : fr
  • GB642121A - Improvements in straight-bar knitting machines : en
  • US2520573A - Ball cock lever assembly : en
  • ES190938A1 - AN IMPROVEMENT IN MIXED OR COMBINED CARDS FOR COTTON : en es
  • GB642150A - Improvements in or relating to differential pressure responsive devices : en
  • US2520407A - Removal of inorganic matter from petroleum residua : en
  • US2520594A - Apparatus for the liquid treatment of thread : en
  • US2520632A - Hydraulic pump or motor : en
  • SE129257C1 - : en sv
  • US2520615A - Process for recovery of lactalbumin : en
  • DE1612463U - HOLDER FOR APRONS. : de en
  • GB642112A - Improvements in or relating to electron discharge devices : en
  • GB642377A - Method of manufacture of shaped articles from organic bodies or parts thereof : en
  • GB642386A - Improvements in or relating to scaffolding : en
  • FR964906A - : fr
  • GB642388A - Improvements in or relating to scaffolding : en
  • US2520325A - Tow or anchorage cable : en
  • FR965060A - : fr
  • GB642334A - Improvements in and relating to the clinching of nails, when joining pieces of wood or the like : en
  • FR964963A - : fr
  • US2520134A - Bunch building mechanism for bobbin winding machines : en
  • US2520563A - Rockable bed : en
  • CA467687A - Production of metals : en fr
  • CA467744A - Antenna systems for radio drift indication : en fr
  • US2520246A - Spring projector : en
  • US2520608A - Concussion relief hood for flash tubes : en
  • CH270373A - A device for testing devices using a high current and high voltage electric current supplied by separate power sources. : en fr
  • DEP0039428DA - Radiant steam generator : de en
  • FR964998A - : fr
  • US2520770A - Bath spray : en
  • US2520641A - Photographic apparatus : en
  • US2520678A - Windshield cleaner mechanism : en
  • US2520807A - Manufacture of basic chocolate liquor : en
  • AU3525950A - Improvements in recording instruments suitable for use in echo sounding andother submarine signalling systems : en
  • CH270397A - Process for the preparation of a new barbituric acid derivative. : de en
  • CH270316A - Saw. : de en
  • US2520477A - Lead-trail control system for electric discharge tubes : en
  • DE800077C - Device for robbing iron pit stamps u. like : de en
  • CA467628A - Regulators : en fr
  • CH270198A - Two-part mandrel for attaching door handles, lock sockets, cranks etc. : de en
  • CH270247A - Filter device. : de en
  • DE1612356U - Device for hosing down and washing vehicles. : de en
  • SU84956A1 - Gearbox : en ru
  • US2520279A - Knife sharpener : en
  • AU3525350A - Improvements in or relating to metal degreasing apparatus : en
  • CH270368A - Resonance relay. : de en
  • CH270380A - A method of manufacturing a dielectric film and dielectric film obtained by this method. : en fr
  • CH270435A - Electromagnetic method for controlling traffic on a communication channel. : en fr
  • DE1612392U - CALCULATION GAME. : de en
  • SU84969A1 - Grinding profile of finger mills : en ru
  • GB642189A - Process for preparing organo-silicon fluorides : en
  • USD159927S - Vanity case ob the like : en
  • CH270273A - Device for registering on a locking device for the graphic industry. : de en
  • AU151687B1 - Improvements in or relating to a non-stressed dimensionally stable tape and method of making the same : en
  • US2520786A - Machine for testing elongation : en
  • US2520392A - Disk and pin game : en
  • US2520694A - Underarm garment shield and clip therefor : en
  • DEG0000604MA - Two-stroke internal combustion engine with flushing of the crankcase : de en
  • US2520767A - Extinguisher : en
  • DEP0041908DA - Circuit arrangement for triggering switching processes in telephone systems with dialer operation : de en
  • ES193830A3 - A MECHANISM TO IMMOBILIZE THE STEERING WHEEL OF AUTOMOBILES : en es
  • AU146462B2 - Method of forming molds for casting thermosetting transparent enclosures : en
  • US2520831A - Abdominal appliance : en
  • DE1612497U - ADVERTISING CALENDAR. : de en
  • DE1612489U - HOLDER FOR HOSPITAL BODIES, SUCH AS SMOKING TABLETS AND THE LIKE. : de en
  • DEB0001322MA - Haulm conveyor for beet harvesting machines : de en
  • DE1612625U - SCISSORS LINK BAND. : de en
  • GB642147A - Improvement in the processes for manufacturing electric discharge apparatus : en
  • CH270308A - Process for manufacturing castings by die-casting molten magnesium-based alloys. : en fr
  • US2520208A - Sterility slide rule : en
  • US2520226A - Combined golf bag and caddie cart : en
  • GB642183A - Improvements in or relating to radio beacons and beacon systems : en
  • US2520153A - N-(diarylmethyl)-tertiary-aminoalkanamides and their preparation : en
  • US2520315A - Machine for assembling closure caps and sealing gaskets : en
  • US2520448A - Oil well tool gripping element : en
  • CH270406A - Carrier wave telecommunications installation. : en fr
  • DE1612426U - TELEPHONE DIRECTORY WITH REGISTER. : de en
  • DE1612611U - DEVICE FOR INTESTINE AND THE LIKE FLUSHING. : de en
  • DEM0000341MA - Process for the production of rail couplings on the tracks of toys and model railway systems : de en
  • US2520146A - Art of producing hydrocarbon vapors : en
  • CH270202A - Process and installation for the conversion of a fuel gas rich in gas of lower calorific value. : en fr
  • CH270381A - Passive electrical network element with two primary and two secondary terminals. : de en
  • AU2960449A - Improvements in and relating to box-making : en
  • CA467733A - Electrical systems : en fr
  • US2520369A - Piston ring : en
  • US2520715A - Method of separating organic : en
  • CH270425A - Electric current supply device for vehicles traveling along suspended tracks. : en fr
  • DE1612454U - FORK BRIDGE FOR MOTORCYCLES. : de en
  • CH270324A - Roller bearing. : en fr
  • AU3535050A - Rotary internal combustion engine : en
  • CA467586A - Cooling means for dynamo-electric machines : en fr
  • CH270287A - Device for determining the channel profile of V-belt pulleys. : de en
  • AU3529450A - Improvements in speed change mechanism for use in counting apparatus : en
  • CH270363A - Socket. : de en
  • FR964967A - : fr
  • DE1612567U - ELECTRIC QUESTION AND ANSWER GAME. : de en
  • US2520144A - Bow unit for suspending a boat from a trailer : en
  • US2520888A - Mechanical pencil of screw feed type : en
  • CH270257A - Process for the manufacture of products containing cold curable resins. : de en
  • CH270310A - Continuous casting mold. : de en
  • CA17804S - Stem for a smoker' s pipe : en
  • CH270424A - Process for vacuum-tight packaging of solid consumer goods. : de en
  • DE1612474U - RAZOR BLADE CONTAINER MADE OF PLASTIC. : de en
  • ES190902A1 - AN IMPROVEMENT IN THE CARDS, FOR COTTON, MIXED OR COMBINED AND OF SIMILAR TYPES. : en es
  • GB642328A - Improvements in or relating to a character spacing mechanism for typewriting machines : en
  • CH270351A - Gas turbine power plant. : de en
  • CH270386A - Oil burner. : de en
  • CH270272A - Object comprising assembled elements. : en fr
  • DE1612660U - TOY TELEGRAM JERSEY ITEMS. : de en
  • CA467693A - Electrical wave analysing circuits : en fr
  • GB642277A - A process for the preparation of 2,5-diacyloxy-2,5-dihydrofurans : en
  • CA467788A - Foot shields : en fr
  • CH270335A - Rotary piston machine. : de en
  • DE1612477U - AIR CONDITIONERS FOR DAIRIES, CHEESE-MAKES AND SIMILAR PLANTS. : de en
  • ES190935A1 - PROCEDURE TO JOIN CONCRETE PIPES. : en es
  • ES24035U - Base of double action for toys (Machine-translation by Google Translate, not legally binding) : en es
  • CH270304A - Luminous clock. : en fr
  • CA467792A - Covering materials for walls and other objects and processes for the manufacture of said materials : en fr
  • SU77850A1 - Loading machine : en ru
  • US2520188A - Diversity reception employing frequency shift keying : en
  • US2520878A - Method of preparing products for storage and packaged products produced thereby : en
  • US2520155A - Sweep circuit for cathode-ray tubes : en
  • US2520677A - Magnetic gradient measurement : en
  • CA467653A - Circuit breakers : en fr
  • CA467743A - Turbines : en fr
  • US2520171A - Electric discharge device : en
  • US2520202A - Treatment of filaments, foils, and similar articles : en
  • US2520458A - Bale carrier : en
  • AU144595B2 - Method of removing excess impregnant from impregnated wood : en
  • US2520449A - Transparent protective and display envelope : en
  • US2520359A - Road-grading attachment : en
  • US2520534A - Multiplex pulse repeater : en
  • GB642286A - Improvements in and relating to the manufacture of isoquinoline derivatives : en
  • PL34128B1 - : en pl
  • US2520461A - Combined filing and display device : en
  • US2520508A - Hinge construction for receptacles and the like : en
  • PL34126B1 - Package! tetrahedral : en pl
  • US2520758A - Parallax correction lenticular : en
  • US2520875A - Flexible face hand planing machine : en
  • DE1612411U - SOCIAL DICE. : de en
  • DE1612580U - LOETOESE. : de en
  • CH270214A - Device with bristle-like elements. : de en
  • DE1612507U - SOCCER BOARD GAME. : de en
  • DE1612447U - ADVERTISEMENT CARD OR BILLBOARD. : de en
  • ES24120U - Car fasteners. (Machine-translation by Google Translate, not legally binding) : en es
  • DE1612600U - ELECTRIC LIGHT BULB WITH SEVERAL LIGHT WIRES ADJUSTABLE ON THE SAME METAL HEAD. : de en
  • DE1612609U - OPERATING CHAIR WITH INSTRUMENT HOLDER. : de en
  • CH270370A - Electric switch. : en fr
  • US2520617A - Electric supply circuits : en
  • AU150094B2 - Improvements in and relating to sparking plugs : en
  • CA467756A - Sizing material : en fr
  • CH270242A - Pulsator for generating pulsations in a suction milking machine with two-chamber milking cups. : de en
  • US2520638A - Flash synchronizer for cameras, including shutter trip safety switch : en
  • AU147630B2 - Improvements in speed change mechanism for use in counting apparatus : en
  • CH270390A - Electric gas discharge lamp, which has the shape of a closed loop. : de en
  • CH270431A - Direction indicators on motorcycles. : de en
  • US2520193A - Valve control system for scarfing machines : en
  • US2520716A - Method of separating organic com : en
  • CH270413A - Ultra-short wave multiplex communication installation. : en fr
  • DE1612429U - CAKE PLATE, ALSO ROTATABLE, WITH NOVEL FLOOR MOUNTING. : de en
  • CA467725A - Tubular frame structures for bicycles and methods of assembling the same : en fr
  • CA467787A - Garment hangers : en fr
  • US2520150A - Compositions comprising an acrylonitrile polymerization product and an oxo-oxazolidine : en
  • US2520812A - Electrolytic phonograph pickup : en
  • US2520186A - Process for removing dissolved salts from the liquid solvent : en
  • CH270253A - Process for the preparation of a gentisic acid oxyalkylamide. : de en
  • CA467766A - Striping elongate strip material : en fr
  • DEP0028317DA - Sliver guides and compressors on drafting devices or the like of spinning machines. : de en
  • GB642091A - Process for the production of substituted diphenylamine 2-monocarboxylic acids : en
  • GB642220A - Improvements in or relating to the construction of model railway track : en
  • ES191001A1 - A PROCEDURE FOR THE QUICK LAUNCHING OF CONCRETE BLOCKS FOR MARINE CONSTRUCTION INTO WATER : en es
  • GB642084A - Improvements in and relating to the refining of metals : en
  • GB642287A - Improvements in and relating to the connection of spigotted components of multi-stage compressor rotors : en
  • SU84986A1 - Receiving part for coins in automatic machines, for example, for issuing tickets : en ru
  • AU2977949A - Improvements in and relating to valves for water softeners : en
  • ES24124U - Improved fuel filter (Machine-translation by Google Translate, not legally binding) : en es
  • US2520804A - Watercraft with pivoted flappers : en
  • US2520800A - Device for tying baling wires : en
  • US2520405A - Portable pit : en
  • CH270298A - Device for transmitting waves. : de en
  • DK71431C - Movement mechanism for garage doors. : da en
  • CA467742A - Combustion apparatus : en fr
  • CH270249A - Apparatus for the manufacture of chromic acid. : en it
  • CH270325A - Machine element. : en it
  • AU3528150A - Filter assembly : en
  • DE1612652U - SOCIAL GAME FROM SMALL TABLES. : de en
  • DEM0000283MA - Multi-plate clutch that can be engaged by an electromagnet : de en
  • CA467637A - Production of shaped articles from coal : en fr
  • DE800045C - Mixer : de en
  • CA467774A - Driving units for motor vehicles : en fr
  • DE1612674U - DEVICE FOR CLEANING METAL TYPES AND RUBBER STAMPS. : de en
  • DEP0001235BA - Rotating transformer in connection with roller electrodes for welding pipes : de en
  • FR964912A - : fr
  • ES191038A2 - A PADDLE FOR REMOTE CONTROL : en es
  • AU3529950A - Improvements in or. relating to safe box : en
  • CH270450A - Process for preparing 5,6-3B,12a-dioxy-etiocholenic acid. : de en
  • BE495524A - : en
  • US2520158A - One-piece spring jack frame : en
  • US2520252A - Reversing mechanism for skids of paper : en
  • US2520504A - Electric printing : en
  • US2520696A - Dynamometer : en
  • AU3538650A - Improvements in or relating to vented shaft seal : en
  • CH270289A - Device with at least two circuit units provided with electron tubes and periodically operating switching means, by means of which each of these circuit units is allocated successively predetermined time intervals as operating periods. : de en
  • AU152322B2 - Improvements in thermally operated electric switches : en
  • US2520326A - Reversible automatic lock slider for separable fasteners : en
  • US2520372A - High-pressure hose fitting and coupling : en
  • US2520644A - Repeater switching telephone system : en
  • US2520845A - Snubbed truck : en
  • SU84885A1 - A method of making spiral ribs on elliptical tubes by winding a tape : en ru
  • CH270412A - Tube amplifier with automatic gain control. : de en
  • AU3527850A - Formation ofa filmon a matt surface : en
  • CA467595A - Popguns : en fr
  • DE800082C - Support strips for reinforced concrete sleepers : de en
  • PL34167B1 - Device for graining melted chemical products : en pl
  • US2520351A - Hand tool for making cloth-covered buttons : en
  • CA467794A - Spinning apparatus : en fr
  • CH270193A - Concrete roof water shaft. : de en
  • CH270274A - Roller lock for the application rollers on printing machines. : de en
  • AU3528650A - Improvements in or relating to road making and road repairing apparatus : en
  • CH270429A - Device on vehicles for turning a headlight in a curve. : de en
  • PL34140B1 - : en pl
  • US2520116A - Shaper blade holder : en
  • US2520505A - Shutter operating attachment for cameras : en
  • AU147523B2 - Improvements in pneumatic elevators for flour mill stocks : en
  • BE497370A - Machine à dépouiller les tiges de houblon. : en fr
  • CA467625A - Thermostats : en fr
  • FR965087A - : fr
  • AU143201B2 - Improved mechanism for numerically grouping booklets andthe like : en
  • GB642169A - Airplane landing gear : en
  • DE800075C - Adjustable pit punch : de en
  • US2520173A - Process for preparing unsupported films of tetrafluoroethylene polymers : en
  • US2520781A - Button structure : en
  • PL34145B1 - Electrical signaling system, where the high-frequency current is sent along the wires of the power grid for the purpose of starting • shunting devices : en pl
  • SU85392A1 - Device for automatic elimination of gantry cranes : en ru
  • US2520444A - Plastic fishing plug : en
  • DEP0002552BA - Device for lubricating the upper neck bearing of centrifugal pumps with a vertical shaft : de en
  • US2520120A - Engine fuel system : en
  • US2520312A - Synthesis of amino acids : en
  • DE1612476U - WASTE HEATER : de en
  • FR965004A - : fr
  • CA467626A - Oxidation of hydrogen : en fr
  • FR965094A - : fr
  • CA467771A - Processes of making insulated electrical conductors : en fr
  • GB642261A - Improvements in abrasive blasting machines : en
  • AU140208B2 - Materials for use in tumbling barrel finishing and method of preparing thesame : en
  • US2520413A - Hand tool for gardening : en
  • US2520180A - Clutch plate : en
  • CA467622A - Cyanuric chloride preparation : en fr
  • CH270222A - Yarn reel to make it easier to wind up yarn, but especially to unwind it during knitting. : de en
  • CH270244A - Method and device for separating solid particles from a gaseous medium. : de en
  • DE1612588U - EXHAUST HOOD FOR TIP-PROOF ACCUMULATORS. : de en
  • DEP0013032DA - Process for the production of an electrically conductive wire for currents of high frequency : de en
  • US2520493A - Sandwich making machine : en
  • USD159926S - Fireplace type radiant heater : en
  • US2520184A - Electrical wave signaling system : en
  • CH270437A - Equipment for the gradual and uniform control of several motors or groups of traction motors. : en it
  • US2520580A - Lock for pneumatic thread removers : en
  • AU152124B2 - Selection system tor electrical circuits or equipments : en
  • AU145777B2 - Improvements in or. relating to safe box : en
  • DEP0022167DA - Card : de en
  • DEP0042287DA - Plug pipe drawing bench : de en
  • GB642329A - Azo dyes : en
  • GB642363A - Improvements in or relating to tyre mountings : en
  • US2520502A - Method of making synthetic brush bristles : en
  • DE1612646U - SHOP WINDOW TRIM. : de en
  • US2520802A - Pipe patch : en
  • DE1612607U - CARPET OR MAT MADE OF RUBBER STRIPS. : de en
  • FR965063A - : fr
  • ES24104U - Numerator case for prices in shop windows. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642322A - Temperature responsive control mechanism : en
  • FR965031A - : fr
  • GB642304A - Improvements in or relating to paper making machines : en
  • GB642113A - Improved method and device for the manufacture of warps or rayon with a high twist, specially crepe-rayon : en
  • GB642299A - Improvements relating to collapsible trestles : en
  • AU143008B2 - Improvements in and relating to box-making : en
  • US2520379A - Brush support : en
  • USD159917S - Spoon or similar article : en
  • US2520867A - Frequency meter : en
  • CA467715A - Threshold plates for railway cars : en fr
  • US2520225A - Brassiere : en
  • FR965057A - : fr
  • US2520133A - Oven rack : en
  • US2520465A - Combined billfold and change purse : en
  • ES21815Y - Sound doll with movement. : en es
  • USRE23264E - Washing machine having rotary : en
  • GB642219A - Combined knife holder and guard : en
  • US2520266A - Hydraulic leveling and controlling device : en
  • US2520439A - Wet grinding process : en
  • US2520483A - Process of making upholstery material from palmetto fibers : en
  • US2520654A - Fishline sinker : en
  • US2520600A - Air traffic control : en
  • US2520775A - Room heater : en
  • DE800117C - Unloading device for railway log wagons : de en
  • CH270271A - Packing paper designed as a cushion. : de en
  • DE1612615U - DEVICE FOR MOISTURIZING AND MOISTURIZING TOBACCO PRODUCTS. : de en
  • GB642257A - Improvements in and relating to combustion chambers : en
  • CH270226A - Device for separating the weft threads in interchangeable looms. : de en
  • DEP0041434DA - Operating instructions for radio devices : de en
  • US2520761A - Facsimile recording apparatus : en
  • CA467603A - Tooth positioning appliances : en fr
  • ES190949A1 - A MECHANISM FOR AUTOMATICALLY PLACING, REMOVING AND CHANGING THE TWO WEIGHTS ON PRECISION BALANCES : en es
  • ES24076U - Fruit juicer, perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • US2520113A - Method of covering weather stripping composed of a web having a continuous bead extending along and bonded to one edge thereof : en
  • US2520476A - Overheating safety system for electric discharge tubes : en
  • GB642217A - Improvements in or relating to drill bits and processes of making the same : en
  • FR965026A - : fr
  • FR965003A - : fr
  • US2520194A - Higher speed gear : en
  • DE1612571U - UEGEL FOR THE TAILORING. : de en
  • DEP0031856DA - Pulverized coal firing : de en
  • DE1612529U - SET OF INSTRUMENTS FOR ROOT TREATMENT, IN PARTICULAR ROOT TIP RESECTION. : de en
  • DE1612662U - BUFFER FOR TOY VEHICLES. : de en
  • US2520619A - Preparation of triethylenemelamine : en
  • PL34124B1 - : en pl
  • US2520655A - Toolholder : en
  • FR964943A - : fr
  • GB642126A - Improvements in aeroplane and like propellers : en
  • GB642231A - Improvements in toy models : en
  • US2520356A - Method for inhibiting corrosion of ferrous metal : en
  • US2520809A - Plant setting machine : en
  • US2520863A - Painting roller of the detachable sleeve type : en
  • CH270243A - Semolina and haze cleaning machine. : de en
  • ES23405U - Improved inhaler. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642360A - Improvements in or relating to the stressing of the reinforcing means for prestressed reinforced concrete : en
  • CA467772A - Contact assemblies for plug-in devices : en fr
  • CH270296A - Electric calculating machine. : en fr
  • US2520719A - Blanching apparatus : en
  • AU143323B2 - Improved manually operated sifter : en
  • ES192746A1 - A NEW SALES SYSTEM VIA FILM TICKETS : en es
  • FR965100A - : fr
  • GB642378A - Improvements in and relating to felts for paper making machines : en
  • US2520620A - Tow glider release : en
  • ES24037U - Wrench for nuts (Machine-translation by Google Translate, not legally binding) : en es
  • FR965005A - : fr
  • CA467760A - Electro-magnetic wave radiators : en fr
  • DEP0000997DA - Filter structure, especially for ultra-high frequency vibrations : de en
  • ES24073U - Game of construction, perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • US2520546A - Counter for chemical feeders : en
  • DK71423C - Wall dowel of fibrous material as well as method of manufacturing the same. : da en
  • FR965039A - : fr
  • US2520310A - Bearing : en
  • US2520399A - Pilot burner and thermally con : en
  • US2520784A - Speed reduction gearing : en
  • GB642392A - Improvements in or relating to the hardening of steels and like materials employing high-frequency induction heating : en
  • US2520672A - Method for its preparation : en
  • USD159906S - Jrun watch : en
  • USD159909S - Clip ob similar article : en
  • DE1612361U - SCISSORS WITH POCKET KNIFE BLADE OR SIMILAR CUTTING TOOL. : de en
  • AU148034B2 - Improvements in and relating to devices for closing up containers more particularly bottles by means of tin lid : en
  • DE1612472U - CIRCULAR KNITTING NEEDLE. : de en
  • US2520271A - Fountain type screen painter : en
  • GB642237A - Improvements in catches more particularly for the doors of refrigerators, cold storage chambers and the like : en
  • US2520614A - Variable coupling device : en
  • DE1612499U - PLATE FOR DELIVERY OF COLONIAL GOODS. : de en
  • ES24089U - Universal tip for functions in ophthalmic interventions (Machine-translation by Google Translate, not legally binding) : en es
  • DK71411C - Methods and apparatus for treating water, waste water and similar aqueous liquids. : da en
  • FR965083A - : fr
  • GB642283A - Improvements in and relating to the sorting of small articles : en
  • CA467781A - Vibration dampers for dynamo-electric machines : en fr
  • CH270283A - A method of manufacturing construction toy elements and a device for implementing this method, constituting a toy. : en fr
  • FR965068A - : fr
  • US2520287A - Golf club guiding device : en
  • US2520112A - Arc welding electrode : en
  • ES24053U - Protective fence for sweeping brooms (Machine-translation by Google Translate, not legally binding) : en es
  • ES24069U - Hygienic panty. (Machine-translation by Google Translate, not legally binding) : en es
  • GB642330A - Improvements in or relating to electric pulse communication systems : en
  • PL34174B1 - : en pl
  • US2520123A - Polygalacturonide alkylamides : en
  • US2520544A - Grab hook : en
  • US2520335A - Closure device for containers : en
  • CA467697A - Thixotropic investment material : en fr
  • CH270323A - Device for securing buttons against falling out of buttonholes. : de en
  • GB642097A - Improvements in or relating to signal transmission systems : en
  • GB642278A - Improvements in or relating to couplings for detachable connection with lubricant nipples : en
  • FR964927A - : fr
  • CA467758A - Separation and purification of hydrocarbons : en fr
  • CH270240A - Process for the production of shoes and shoes produced by the process. : de en
  • US2520172A - -sound intensifier : en
  • US2520689A - Voltage regulating apparatus : en
  • DEP0035101DA - Process for the preparation of 6-alkyl-2-thiouracil compounds : de en
  • BE494174A - : en
  • CH270217A - Pincer-like can opener. : de en
  • DE1612441U - JOINT DRIVE BELT CONNECTOR. : de en
  • CH270169A - Pal for injecting liquid into the soil, especially fertilizer. : en fr
  • CH270239A - Holding device with resilient engagement of a button-shaped and a bow-shaped part. : de en
  • CH270465A - Crawler chassis. : de en
  • DEP0004179BA - Process for the production of housings for high pressure gate valves : de en
  • USD159887S - Belsky display case : en
  • CH270224A - Loom. : en fr
  • CH270263A - Process for the production of a layer structure. : de en
  • DE1612515U - SMALL PACKAGE FOR STACKABLE GOODS. : de en
  • ES190915A1 - A STARTING DEVICE FOR DISCHARGE TUBES IN GAS AND7O IN STEAM : en es
  • US2520154A - Radio antenna : en
  • US2520397A - Spraying apparatus for internally coating pipes : en
  • DE1612430U - COMBINED CABINET, SEAT AND SLEEPING FURNITURE. : de en
  • DE1612597U - ISOLATOR FOR ELECTRIC FENCES. : de en
  • FR964904A - : fr
  • CA467791A - Precast concrete structural members and their connections : en fr
  • ES190950A1 - AN IMPROVED SINGLE SCALE OPTICAL PROJECTION SYSTEM ON A SCREEN : en es
  • GB642350A - Improvements in or relating to resinous compositions : en
  • CA467616A - Processes of recovering potassium from diluted solutions : en fr
  • CA467666A - Insulating pads : en fr
  • CH270446A - Pricking device. : de en
  • USD159901S - Front for a spectacle frame : en