• AU488451A - Fumagillin and preparation : en
  • CA478398A - Directional microwave antennas : en fr
  • DE1630254U - ARTIFICIAL EYELASHES KNITTED ON A THREAD. : de en
  • DE1630459U - DINING FORK. : de en
  • US2574249A - Jointed fishing pole ferrule : en
  • US2574262A - Valve with built-in operating cylinder for pressure fluid operations : en
  • CA478302A - Printing telegraph receivers : en fr
  • AU159255B2 - Floor cleaning appliance : en
  • CA478268A - Grouting processes and apparatus : en fr
  • AT169444B - Grave cover for graves with stone or artificial stone surrounds : de en
  • AT169447B - Tilt-hung sash attachment to profile beams, especially for display windows : de en
  • CA478248A - Artificial legs : en fr
  • US2573911A - Tape-dispensing device : en
  • US2574313A - Wire coating compositions : en
  • FR993602A - Composite pads : en fr
  • FR993716A - Device for securing the drawbar on vehicles with articulated steering : en fr
  • GB660348A - Improvements in and relating to filament coating apparatus : en
  • DE820047C - Process for the production of animal oils and fats : de en
  • DE820287C - Roller pressure regulator for precision rolling : de en
  • USD165077S - Kandarian piano bench : en
  • US2574335A - Fluid-pressure motor device for control systems : en
  • CA478411A - Fluid storage apparatus : en fr
  • US2574368A - Steam generating apparatus : en
  • DE1630321U - CONNECTORS FOR THE STEEL WIRE MESH OF STEEL NETWORK SILOS. : de en
  • DE820016C - Electric memory circuit : de en
  • DE820406C - Entertainment game with characters set in motion by a magnet : de en
  • CA478235A - Goose decoys : en fr
  • CA478337A - Methods of detecting cracks in porous surfaces : en fr
  • US2574085A - Extraction drier : en
  • US2574391A - Apparatus for filling molds with foamed latex : en
  • USD165118S - Wall shelf : en
  • AU53151A - Improvements relating to apparatus for ripping rabbit burrows : en
  • DE1630543U - LUGGAGE BOARD. : de en
  • FR993601A - Process for manufacturing metal powder bearings, in particular iron powder, by pressing and sintering : en fr
  • AU152362B2 - Improved method and machine for producing unwoven fabrics : en
  • USD165067S - Granat watch : en
  • US2574128A - Brush and beater roll for vacuum cleaners : en
  • US2574010A - Shaker table for combines or threshers : en
  • AT169315B - Process for the aluminothermic extraction of metals : de en
  • DE1630430U - JOCKELE WATCH WITH CAT CRYING EVERY 1/4 HOUR. : de en
  • DE820180C - Container for packing plasters or similar products : de en
  • FR994031A - Process for the polymerization of hydrogen carbides by catalysis : en fr
  • DE1630297U - FOOT SHIFTER FOR MOTORCYCLE TRANSMISSION. : de en
  • US2574328A - Color harmonizing card game : en
  • US2573692A - Machine for making wedge heels : en
  • AT169402B - Combustion regulator for stoves and stoves : de en
  • AU489651A - Improvements in framework for use in concrete building construction : en
  • US2574014A - Slide fastener for detachably attaching buttons to fabric and the like : en
  • US2574067A - Flexible track element and structure : en
  • CA478284A - Superregenerative receivers : en fr
  • DE819892C - Method and device for producing a coating on the inside of glass flasks by vaporizing metal : de en
  • DE819979C - Method for connecting a longitudinal rail with cross rails, especially with screw clamps : de en
  • FI25459A - Anordning vid gaffeltransportvagnar, d.v.s. palltruckar eller andra Transportfordon : en fi
  • FR993722A - Device preventing drops of liquid from falling on the tablecloths : en fr
  • FR993964A - Steering device for vehicles : en fr
  • FR994012A - Cables intended to subject a material to prior constraints, their manufacturing processes and their modes of application : en fr
  • US2574321A - Process for operating internal-combustion engines and fuel therefor : en
  • DE819780C - Liquid containers, especially for motor vehicles : de en
  • GB660395A - Storage battery cell cover and construction : en
  • CA478379A - Growth of plants : en fr
  • US2573715A - Digit guard : en
  • GB660279A - Improvements in or relating to the production of thermoplastic materials having grained or patterned surfaces : en
  • FR993652A - Soft shoe assembly process : en fr
  • AU486051A - Improvements in method and means for rounding off and polishing the ends of thermoplastic brush bristles : en
  • DE1630525U - REINFORCEMENT BAR FOR REINFORCED CONCRETE WITH PLATE-SHAPED END ANCHORING. : de en
  • GB660323A - Improvements in or relating to hydraulic jet propulsion apparatus for waterborne vessels : en
  • AT169381B - Device for stopping the drive of magnetic sound devices : de en
  • AT169435B - Detachable connection for bars of lattice walls : de en
  • US2574342A - Pneumatic bore gauge : en
  • DE1630338U - DEVICE FOR THINNING TREE AND PLANT ROOTS AND FOR DISTRIBUTION OF EARTH SHELLS. : de en
  • DE819616C - Gruetzeschneider : de en
  • DE820233C - Mandrel : de en
  • AU153955B2 - Improved packing or oil control ring for pistons, sleeve valves andthe like : en
  • CA478408A - Brassieres : en fr
  • AT169416B - Multipurpose window grilles : de en
  • AT169345B - Electrically heated furnace with a glow chamber for carrying out metallic surface reactions : de en
  • CA478399A - Directional antenna systems : en fr
  • DE819817C - Endless conveyor device : de en
  • DE819865C - Electric pull switch : de en
  • FI25452A - Impact lighter with even a large angle of entry : en fi
  • FR993891A - Piezoelectric crystal frequency inverter device : en fr
  • DE819674C - Bath battery in connection with a washing kettle : de en
  • FR993881A - Motion transmission device : en fr
  • GB660286A - Improvements in or relating to windscreen wipers : en
  • AT169396B - Circuit arrangement for automatic electrical control of the temperature in several rooms, in particular compartments of railroad cars : de en
  • CA478312A - Electron discharge devices employing hollow resonators : en fr
  • CA478287A - Methods and apparatus for ore separation : en fr
  • GB660427A - Improvements in drying machines for grass and other crops : en
  • GB660652A - An improved manufacture of ethyl alcohol : en
  • US2573705A - Method of dyeing only the cellulose acetate ends of a mixed fabric using a dye paste comprising a swelling agent for the cellulose acetate : en
  • US2573956A - Process for treating nonfibrous cellulosic film and resulting product : en
  • US2574180A - Prosthetic devices : en
  • US2574419A - Temperature change responsive means for controlling electric circuits : en
  • DE820193C - Container for storing razors : de en
  • US2574337A - Adjustable dispensing closure : en
  • DE1630282U - BUTTONHOLE KNIFE. : de en
  • DE819619C - Take-up reel for perforated cinema film : de en
  • GB660268A - Improvements in or relating to shock absorbers : en
  • GB660485A - Improvements relating to fanlight and other catches : en
  • DE1630519U - SLIDE ON THE TABLE LEG AGAINST UNEVEN FLOORS. : de en
  • DE824205B - Process for the preparation of 2-mercaptoarylenethiazole-6-sulfonic acids and their salts : de en
  • US2573854A - Airplane engine cooling arrangement : en
  • AU3791450A - Improved blade for rotary hoes : en
  • AT169404B - Burners for liquid fuels, in particular heavy oil burners : de en
  • DE818981C - Polarized relay with mercury contacts : de en
  • DE820374C - Equipment for the screening of cinematographic films : de en
  • FR993781A - Device for automatic adjustment of a washing operation cycle : en fr
  • US2574077A - 4,6-ditertiary-butyl-2-methylcyclohexanol : en
  • AT169375B - Mirror made of thin, flexible material : de en
  • US2574012A - Electron discharge tube and circuit arrangement therefor : en
  • US2573700A - Venetian blind : en
  • DE1630261U - WHEEL WHEEL FOR AIR-FILLED RAIL TIRES. : de en
  • DE819752C - Fishing gear : de en
  • FI25420A - A bucket of grain or the like : en fi
  • US2573788A - Electrolytic cell : en
  • US2573928A - Clamping system : en
  • USD165056S - Paper knife : en
  • DE820247C - Upholstered car seat with adjustable backrest : de en
  • DE820401C - Pneumatic door opening and closing device, especially for vehicles : de en
  • FR993851A - Mechanism for operating tilting frames such as hung windows : en fr
  • FR994013A - Improvement in the execution of distributors and turbine nozzles : en fr
  • DE1630306U - OFFSET BLOWING OR FLUSHING PIPE. : de en
  • DE1630486U - TWO-STROKE COMBUSTION ENGINE. : de en
  • US2573805A - Machine for making dentures : en
  • US2573914A - Antenna system : en
  • AT169327B - Process for the separation of the two optical antipodes of a racemic amino acid : de en
  • DE819904C - Composite ceiling : de en
  • DE819970C - Cutting tool, especially for sheet-like materials such as tobacco leaves, paper, etc. : de en
  • US2574331A - Hydrogenation of unstable petroleum wax : en
  • US2574214A - Straight beam adjustable jaw clamp and spreader : en
  • CA478229A - Multi-chambered driers for fabrics : en fr
  • CA478295A - Heat exchanger conduits having internal fins : en fr
  • DE819723C - Device for adjusting the chip thickness on dressing machines : de en
  • DE819938C - Wedge gate valve : de en
  • DE820212C - Reinforced concrete roof slab : de en
  • USD165073S - Spray head for an aerosol dispenser or similar article : en
  • DE819557C - Wall lamp : de en
  • DE820411C - Toy or advertisement parachute with launcher : de en
  • DE819963C - Reversible toy car powered by a spring mechanism : de en
  • US2574202A - Stapling apparatus : en
  • GB660581A - Improvements in or relating to escapement mechanism : en
  • US2574199A - Three-wheel automotive vehicle : en
  • AT169325B - Process for the production of coarsely crystalline sodium carbonate monohydrate from ammonia soda : de en
  • AU151534B2 - Synthetic resin compositions having improved stability to light and to pipes and tubes and electric cables containing same : en
  • US2573682A - Means and method for electromagnetic-wave investigations : en
  • US2573831A - Rotary fluid brake : en
  • DE1630498U - RUNNING DOLL IN WHEELCHAIR WITH CLOCK. : de en
  • DE819676C - Tamping device for socks, linen and knitwear : de en
  • DE820329C - Brace : de en
  • CA478334A - Remote control systems : en fr
  • DE760107C - Pressure valve for fuel injection pumps : de en
  • DE1630274U - RUEHRER FOR MUS ETC. : de en
  • DE819613C - Universal dividing head : de en
  • FR993834A - Signal transmission networks using semiconductor amplifiers as active elements : en fr
  • DE819540C - Device for the production of paper rolls o : de en
  • DE820245C - Piston pump : de en
  • DE819836C - Process for the production of dry yeast : de en
  • FR993855A - Catalyst and its manufacturing process : en fr
  • FR994005A - Improvements to thermal circuit breakers : en fr
  • GB660429A - Improvements in or relating to the treatment of double silicates of zirconium to reduce the thixotropic properties thereof in ceramic mixes : en
  • IE20820L - Casting metals : en
  • FR993828A - Liquid fuel spraying : en fr
  • DE819740C - Device for vertical adjustment of machine parts, in particular soil cultivation devices : de en
  • DE820099C - Drawing board : de en
  • US2574168A - Method of coating porous masonry to render it water repellent : en
  • CA478353A - Automatic telephone systems : en fr
  • DE820258C - Bearing arrangement for the rotating cylinder of roulette machines : de en
  • FR993950A - Improvements to electric interlocking route stations for controlling rail traffic : en fr
  • DE819573C - Process for producing metal sponges for cleaning pots or the like. : de en
  • US2574179A - Method of producing a stabilizing ingredient for food products : en
  • DE819553C - Oscillographic device : de en
  • DE819841C - Process for saturating large surface area filtration media with neutral gas : de en
  • DE819847C - Filter element : de en
  • DE820064C - Coal stove combined with gas or electric stove : de en
  • FR993947A - Device for fixing and controlling a movable flap placed at the trailing edge of an airplane wing : en fr
  • FR993970A - Engine-tractor unit : en fr
  • DE1630473U - STIRRING DEVICE. : de en
  • DE820275C - Limit force wrenches : de en
  • FR993999A - Contact establishment device for electrical disconnectors : en fr
  • FR994008A - Box diverter, for automatic machines manufacturing metal boxes : en fr
  • GB660663A - Improvements in or relating to protective clothing : en
  • DE1630575U - ANCHOR DEVICE FOR SINGLE OR MULTI-SIDED PLANING AND MILLING MACHINES. : de en
  • CA478333A - Children's tricycles : en fr
  • FR993927A - Process for rapid saponification of fatty substances, even in the absence of coconut oil or palm kernel oil : en fr
  • DE820352C - V-belt with a tension cord and a filler rubber layer underneath : de en
  • GB660466A - Improvements relating to the control of motor vehicle headlamps : en
  • GB660493A - Improvements relating to electromagnetically operable switches : en
  • GB660632A - Cash registers and similar accounting machines : en
  • US2574105A - Locking closure for flexible tank outlets : en
  • US2574156A - Dual wheel lug wrench : en
  • US2574381A - Sewing machine : en
  • CA478381A - Cushion curlers : en fr
  • DE819731C - Process for the protection of surfaces to which electrical strain or voltage meters are attached : de en
  • DE819809C - Method for bundling bricks u. like : de en
  • DE819999C - Process for the preparation of 0, 0-diesters of thiophosphoric acid monochloride : de en
  • GB660343A - Relay for telecommunication : en
  • GR13261B - AUTOMATIC ENGRAVING MACHINE OR LAIKIN. : el en
  • US2574046A - Portable dummy for athletic training : en
  • US2574079A - Play pen : en
  • US2574004A - Balking ring clutch : en
  • US2574340A - Pen holder : en
  • USD165078S - Frame fob barber s seat : en
  • FR993604A - Process for the production of coating materials for road construction and similar applications : en fr
  • GB660282A - Improvements in or relating to turbines, compressors and like fluid flow apparatus : en
  • GB660305A - Pesticidal compositions : en
  • GB660420A - A device for the measurement and quick control of the quality factor, or damping factor, of inductance coils, capacitors and resonant circuits : en
  • CA478368A - Aircraft having pressurized cabins : en fr
  • FI25401A - Axle control arrangements, fitted with an axle body and a clearing body : en fi
  • US2574343A - Watch movement center second hand drive : en
  • US2574425A - Combination magazine rack, table, and leg rest : en
  • US2573680A - Sleeve type relief valve : en
  • US2574088A - Furnace for converting hydrocarbons : en
  • US2574378A - Wire line tensioning device : en
  • US2573874A - Ventilated buffing wheel : en
  • USD165080S - lenneberg : en
  • FR993675A - Arrangement of electric accumulator batteries for liquid recovery : en fr
  • FR993747A - Improvements to portable machines for tube end forming : en fr
  • FR993962A - Improvements in manufacturing processes for hollow bodies : en fr
  • US2573727A - Apparatus for distillation of fatty acids, tall oil, and the like : en
  • CA478363A - Methods of soldering objects constituted by oxydation-proof alloys : en fr
  • DE1630369U - BAR OF SOAP WITH MIRROR INLAYED. : de en
  • DE820291C - Machine for bending sheet metal : de en
  • FR993866A - Improvements to the means for ensuring the exhaust of gases from internal combustion engines : en fr
  • FI25411A - Mortar : en fi
  • DE1630263U - CORROSION-PROTECTED COLLECTOR CONNECTION TERMINAL. : de en
  • DE1630388U - DRILLING DEVICE. : de en
  • AU151700B2 - A screw and driving tool therefor : en
  • DE819984C - Process for refreshing and keeping baked goods made from rye, wheat or mixed flour fresh and fresh : de en
  • DE1630341U - MULTI-PURPOSE TOOL FOR WORKING IN LEAF BOOTS. : de en
  • FR993765A - Attempted : en fr
  • US2574009A - Knitting machine : en
  • US2574020A - Shortstopping an emulsion polymerization reaction with alkyl polysulfide : en
  • DE1630354U - BEVERAGE COLLECTORS FOR DISPENSING SYSTEMS. : de en
  • FR993930A - Electrical resistance : en fr
  • GB660474A - Improvements in or relating to choke coil assemblies for use in discharge lamp circuits : en
  • DE819585C - Device for making an image visible on a screen, in particular for television receivers : de en
  • DE819936C - Crankshaftless thermal engine : de en
  • DE820347C - Crank drive for parallel two-cylinder engines for motorcycles : de en
  • FR993943A - Manufacturing process of finned pipes and resulting pipes : en fr
  • GB660464A - Improvements in or relating to dress ornaments : en
  • GB660258A - Improvements in and relating to electrode structures for high pressure electric discharge devices : en
  • FR993936A - Molding machine : en fr
  • GB660631A - Improvements in radio-location and detection arrangements : en
  • US2574431A - Transmission : en
  • DE1630349U - BAG FOR PHOTO APPARATUS AND ITS ACCESSORIES. : de en
  • DE763469C - Gun with spreading carriage : de en
  • DE767151C - Method and device for the production of solid and hollow centrifugal cast blocks : de en
  • DE819951C - Filling device for liquids, e.g. B. Milk : de en
  • US2574420A - Shock absorber : en
  • US2574432A - Instrument for measuring or indicating the specific gravity of liquids : en
  • US2573736A - Method of making hollow articles : en
  • US2574052A - Electric fence : en
  • IT466638B - : it
  • DE819620C - Magnesium flash unit for cameras : de en
  • DE819895C - Handle for bags and bags : de en
  • DE819916C - Arrangement for adjusting an optical element : de en
  • DE820173C - Magnetic inductor for generating high operating voltages with low yield, especially for measuring purposes : de en
  • US2574094A - Heat-sealing machine of the thermal impulse type : en
  • GB660362A - High frequency line repeaters : en
  • DE819792C - Swivel device for cornering lights on motor vehicles : de en
  • DEP0007323DA - Method and device for the production of artificial stones, slabs and the like. : de en
  • GB660434A - Compositions for and method of impregnating fibrous materials to render the materials resistant to attack by micro-organisms : en
  • DE1630426U - LIGHT CRATE, ESPECIALLY MADE OF WOOD. : de en
  • DE1630567U - MIXING AND ATOMIZING APPARATUS OF PULVERIZED DRY MEDICINES. : de en
  • FR993758A - Device for rapidly approaching the piston in hydraulic presses : en fr
  • GB660271A - Braking system for aircraft : en
  • FR993636A - Improvements in ring spinning machines : en fr
  • GB660300A - Electrode type liquid heaters : en
  • GB660524A - Improvements in or relating to an attachment for vacuum cleaners : en
  • US2574183A - Sprinkler : en
  • US2574076A - Insulated roof and wall covering : en
  • US2574347A - Drilling unit : en
  • DE820264C - Concrete superplasticizer : de en
  • DE815879C - Spreading valve : de en
  • USD165064S - Awning ob similar article : en
  • US2574007A - Clamping device : en
  • US2574015A - Bunch building mechanism for spinning or winding machines : en
  • US2574268A - Manufacture of uranium tetrachloride : en
  • US2573742A - Oscillator frequency control : en
  • US2573889A - Automatic telephone switching mechanism : en
  • US2574374A - Half cycling protective and indicating systems : en
  • FR994041A - Improvements made to explosive devices consisting of a mixture of at least two bodies brought into contact only at the time of use : en fr
  • FI25425A - Arbetsplattform med lyftanordning och yttre ochrere gjutformar for kontinuerlig gjutning av betongväggar : en fi
  • GB660435A - Improvements in or relating to lamps for road vehicles : en
  • US2574086A - Tussle mitten : en
  • US2574122A - Sweetening process : en
  • AU489251A - Apparatus for reproduction of television pictures orthe like : en
  • US2573955A - Safety ski binding : en
  • US2574276A - Trailer hitch : en
  • USD165097S - Combined plant receptacle and chime : en
  • DE819866C - Electric pull switch, especially for installation in lights, devices, etc. like : de en
  • DE824817B - Process for the preparation of a thiazm dye : de en
  • US2573828A - Cosmetic applicator : en
  • FR993625A - Pressing and ironing machine : en fr
  • GB660288A - Improvements in or relating to floor-scrubbing machines : en
  • DE1630253U - FOAM RUBBER SHOULDER PADS FOR WOMEN'S DRESSES. : de en
  • DE820244C - Tubular valve for valve control of piston pumps or hydraulic piston machines : de en
  • FR993656A - Improvements to boxes with removable cover : en fr
  • FR993780A - Support device for a washing machine drum : en fr
  • FR993889A - Piezoelectric frequency adjuster : en fr
  • GB660303A - Method of producing expanded metal : en
  • GB660413A - A method of preparing solid hydroxylamine sulphate : en
  • DE1630535U - COIN CHANGER. : de en
  • DE820012C - Arrangement for displaying images in television receivers : de en
  • DE1630492U - COOLING AIR CONDUCTION FOR VEHICLES WITH FRONT ENGINE, IN PARTICULAR SUCH WITH EFFICIENT CONSTRUCTION. : de en
  • DE820183C - Anti-glare glasses : de en
  • AT169432B - Retractable segment lock : de en
  • US2574417A - Clamp improvement : en
  • USD165085S - Lighting fixture louver : en
  • US2574233A - White side wall tire : en
  • US2574312A - Closure operating means : en
  • GB660468A - Improvements relating to the production of rolled steel beams and like sections : en
  • GB660459A - Improvements in or relating to relay station apparatus for use in telecommunication systems : en
  • GB660511A - Penicillin compositions and methods of preparing them : en
  • DE819571C - Knob holder : de en
  • DE1630302U - GAERWAGEN. : de en
  • DE819541C - Horizontal coke oven with direct draft heating : de en
  • DE820147C - Process for the decomposition of gas mixtures with the aid of cold storage masses : de en
  • FR994020A - Assembly device for sewing pieces of leather goods assembled at an angle : en fr
  • DE819617C - Tube closure : de en
  • DE819903C - Ceiling made of precast reinforced concrete : de en
  • FR993818A - Coupling device for shafts which are not in line : en fr
  • DE820125C - Coupling between the shaker slide and the loading shovel arranged at its front end : de en
  • US2573690A - Method of treating earth formations : en
  • US2573740A - Carpenter's horse or trestle : en
  • US2573756A - Typesetting means in laundry marking machines : en
  • USD165043S - Pendant magnifying lens : en
  • US2574411A - Detachable handle for steak platters and the like : en
  • DE1630383U - HAMMOCK. : de en
  • DE767133C - Four-stroke internal combustion engine that works with flushing of the compression chamber and is equipped with valves suspended in the cylinder cover and trough-shaped depressions in the piston crown : de en
  • DE820421C - Transport device for upright objects, especially barrels and boxes : de en
  • GB660596A - Improvements relating to the suspension of axle hung electric traction motors : en
  • US2574230A - Mobile jack : en
  • US2574258A - Light-sensitive compositions and plates for photolithography : en
  • US2574358A - Vaporizing pot type burner and pilot burner therefor : en
  • US2573898A - Use of naphtha reflux : en
  • DE819813C - Packaging vessel with a flap closure : de en
  • US2573781A - Key selector aid : en
  • US2573822A - Smoking pipe : en
  • DE1630259U - ETCHING MACHINE FOR THE PRINTING INDUSTRY. : de en
  • DE819673C - Mobile conveyor belt with self-loading device : de en
  • AU157340B2 - Improvements in or relating to electric motors, more particularly electric motors for electric fans : en
  • CA478390A - Light signals : en fr
  • DE819655C - Bottle washing machine with pusher guide for the bottle trolleys running in an endless path : de en
  • DE820046C - Device for therapy by means of electrically generated heat jets : de en
  • US2574142A - Radiator fin for pipes : en
  • US2574278A - Automatic circuit closer for electrical wiring systems : en
  • US2574299A - Piston construction : en
  • US2574139A - Depressuring system : en
  • AT169406B - Device for burning liquid fuels : de en
  • DE819688C - Process for the production of lead cyanamide : de en
  • DE820409C - Route and signal lights for vehicles and other equipment of toy and model railway systems : de en
  • AT169426B - Coupling for composite windows : de en
  • CA478354A - Means and methods of controlling wing tip stall in airplanes : en fr
  • US2573683A - Machine for use in making insoles : en
  • US2574389A - Headrest for inside work on automobiles : en
  • GR13271B - HOW TO MOVE AIR GAMES. : el en
  • CA478356A - Conductor support means : en fr
  • DE819788C - Master cylinder, especially for hydraulic motor vehicle brakes : de en
  • DE820357C - Gear for intermittent drive : de en
  • DE820095C - Central locking operation for suitcases and similar containers : de en
  • US2573771A - Automatic release hitch assembly : en
  • DE819802C - Device for cutting conveyor belts, drive belts or the like. : de en
  • DE1630290U - CAR. : de en
  • DE820123C - Film shipping container : de en
  • CA478314A - Image dissectors : en fr
  • DE820316C - Switching device for the protection of three-phase motors : de en
  • US2574091A - Resuscitation apparatus : en
  • DE819667C - Chuck for holding workpieces : de en
  • DE819972C - Construction element made of solid parts and bitumen with low thermal conductivity : de en
  • DE820035C - Device for controlling the coin return on coin telephones : de en
  • GB660302A - Protective wrapper for filamentary packages : en
  • CA478362A - Circuit arrangements for limiting and detecting frequency-modulated oscillations : en fr
  • DE1630380U - COMB CLEANER. : de en
  • DE1630275U - WINCH FRAME FOR CABLE WINCH. : de en
  • CA478308A - Apparatus for heat treating surfaces of rails : en fr
  • FR994037A - Method and apparatus for the continuous electric vulcanization of rubber insulated wires or cables : en fr
  • GB660488A - Seals for high pressure reactor : en
  • DE820096C - Filler pencil : de en
  • DE820222C - Holder for plants and bushes, especially for espalier bushes : de en
  • FI25392A - Förfaringssätt för framställning av konstläder : en fi
  • AT169320B - Transfusion set for blood and plasma reserves : de en
  • AU156803B2 - Fumagillin and preparation : en
  • DE819830C - Puller for races of ball bearings : de en
  • US2574351A - Method for feeding and stitching slide fastener stringers to garment fly pieces : en
  • FR993946A - Improvement of the devices ensuring the mechanical progression of the treated products in the furnaces : en fr
  • AT169332B - Process for obtaining water-soluble carboxymethyl celluloses : de en
  • GB660550A - Process for the manufacture of acid dyestuffs of the anthraquinone series : en
  • GB660540A - Improvements in apparatus for carrying out exothermic catalytic gas reactions : en
  • US2574353A - Screw propelled plow : en
  • US2574223A - Mold assembly : en
  • US2574403A - Differential protective system : en
  • DE1630390U - LIGHTER WITH BALL SEALING SURFACE FOR THE EXTENSION CAP. : de en
  • DE820057C - Electric vacuum cleaner with a dust container that can be removed from the vacuum cleaner housing : de en
  • FR993635A - Toggle press : en fr
  • US2574392A - Roll film camera attachment : en
  • DE1630317U - SHOPPING BAG, FOLD DOWN TO THE UMBRELLA. : de en
  • DE819749C - Procedure for frost protection and instructions for carrying out this procedure : de en
  • GB660347A - Improvements in the production of pipe bends : en
  • US2574320A - Shoe sole straightener : en
  • DE819871C - Circuit arrangement for switching on and operating electric fluorescent discharge tubes, in particular fluorescent tubes : de en
  • DE1630347U - DEVICE FOR PLACING UP AND LIGHTING FREE-STANDING, COLOR TRANSLUCENTED LETTERS, IMAGES, TRADEMARKS OR LETTERS. : de en
  • DE819869C - Bracket for the lamp socket of lights : de en
  • IE19564L - Cavity resonators : en
  • DE820011C - Loose wheel set with fixed axle and rotating wheels : de en
  • AT169337B - Process for the preparation of 7-dehydrosterols : de en
  • CA478378A - Methods of screening fibrous suspensions : en fr
  • DE820209C - Hollow panel wall with posts : de en
  • DE820320C - Dry rectifier : de en
  • FR993850A - Underwear : en fr
  • GB660461A - Improvements in or relating to thermostatic devices for controlling the flow of liquid fuel to burners : en
  • FI25455A - Inductive bend indicator : en fi
  • FR993617A - Turbine rotor : en fr
  • FR993904A - Device for fixing the handles of casseroles, saucepans and other cooking and table utensils : en fr
  • GB660508A - Improvements relating to stands for clothes drying and the like : en
  • US2573882A - Metal coating process and oil finishing composition therefor : en
  • US2574272A - Hook for measuring tape : en
  • US2574302A - Folding wall seat : en
  • US2573713A - Electrical wave guide switch : en
  • US2573867A - Grappling device : en
  • DE1630477U - CARTRIDGE ARM. : de en
  • GB660315A - Improvements in girdles : en
  • US2573900A - Treatment of glyceride oils : en
  • DE820008C - Color machine for typewriters with rocker arms : de en
  • DE820213C - Half-timbered construction made of prefabricated concrete parts : de en
  • GB660292A - Clothes washing machine : en
  • GB660521A - Improvements in circuit-arrangements for use in automatic signalling systems for testing a voltage or a resistance in an outlet of a switch : en
  • USD165072S - Spray head for an aerosol dispenser or similar article : en
  • DE819593C - Computing device : de en
  • GB660314A - Masking device for use in photographic processes : en
  • FI25456A - Anordning for kombinerad fjärrmätning och signalgivning : en fi
  • DE763532C - Process for the external plating of pipes made of iron or steel with copper, copper alloys, nickel or nickel alloys : de en
  • GB660669A - Antenna arrangement for radiating circularly or elliptically polarized waves : en
  • DE1630526U - CONCRETE FORMWORK. : de en
  • DE819914C - Bench planer : de en
  • DE820080C - Detachable body for agricultural multiple devices : de en
  • DE1630331U - DEVICE FOR PROTECTING HEAD COVERINGS. : de en
  • DE820360C - Multi-stage manual transmission : de en
  • FR993796A - Process for decomposing cobalt compounds : en fr
  • FR993626A - Improvements to fuel supply equipment for gas turbine engines : en fr
  • GB660654A - Improvements relating to printing telegraph systems : en
  • DE1630458U - DEVICE FOR ATTACHING A TRANSDUCER TO A HANDLE. : de en
  • DE1630494U - MOLDING CONNECTION. : de en
  • DE819587C - Resistance thermometer : de en
  • DE819856C - Splash plate for trickle cooler : de en
  • DE820172C - Differential protection device : de en
  • FI25393A - The scope of this Regulation is limited to the lignite : en fi
  • FR993649A - Racket : en fr
  • FR993717A - Synthesis of oxygenated organic compounds : en fr
  • GB660330A - Improvements relating to roller bearings : en
  • GB660579A - Improvements in or relating to devices for phase modulation of electric oscillations : en
  • GB660612A - Improvements relating to spherical-grinding machines : en
  • AU494051A - Process forthe production of 1 nitrophenyl-2aminopropane-1-3 diol derivatives : en
  • CA478358A - Electric discharge tubes and their manufacture : en fr
  • US2574135A - Saliva ejector : en
  • US2574206A - Spray boom device : en
  • US2574280A - Vehicle brake diving control : en
  • FR993967A - Iron ore processing process : en fr
  • FR994000A - Improvements made to file folders : en fr
  • GB660522A - Production and regeneration of cobalt trifluoride : en
  • FR993861A - Process for transforming cellulosilignic matter into condensable organic liquid products with ketone character : en fr
  • DE819730C - Method and device for leak detection : de en
  • DE819927C - Board game for learning and teaching arithmetic, writing and reading for pre-school children : de en
  • GB660381A - Improvements in or relating to the production of nitrobenzyl ªÏ-amido acetophenones and derivatives thereof : en
  • GB660598A - Improvements in and relating to the manufacture of electric dry batteries : en
  • US2574440A - Heated knife : en
  • DE1630423U - PIN HOLDER. : de en
  • DE820073C - Process for the production of blockboard u. Like. With a central layer of upright, hollow spaces forming strips : de en
  • DE820350C - Centrifugal pulley or shaft clutch : de en
  • DE819578C - Gyro control unit : de en
  • DE820025C - Circuit arrangement for connecting three or more amplifiers : de en
  • FI25435A - Articulated collar used to measure the upper thickness of logs : en fi
  • FR993836A - Selector electrical circuit : en fr
  • IE20969L - Hot plates : en
  • DE755195C - Cathode ray amplifier tubes : de en
  • DE1630340U - REVERSIBLE DRAWER FOR INCUBATOR. : de en
  • DE819845C - Process for the recovery of the solvent from filter residues during dry cleaning : de en
  • DE820364C - Device for tuning musical instruments : de en
  • US2574325A - Manufacture of alcohols feom : en
  • DE819561C - System of luminaires for U-shaped curved fluorescent lamps : de en
  • DE820034C - Circuit arrangement for telecommunications systems, in particular for telephone systems : de en
  • DE819638C - Fastening device for a tarpaulin provided with OEsen on motor vehicles : de en
  • DE819891C - Glass : de en
  • DE819893C - Device to prevent umbrellas from falling over : de en
  • GB660636A - Improvements relating to taximeters : en
  • FR993839A - New monoazo dyes and process for their manufacture : en fr
  • GB660358A - A method of producing rigid and light materials having a closed cellular structure : en
  • US2573895A - Electric switch : en
  • US2574356A - Process of making photoelectric cathodes : en
  • US2574393A - Control for automatically presetting blocks on sawmill carriages : en
  • DE820015C - Amplifier : de en
  • DE820292C - Pipe or rod cutter : de en
  • DE820237C - Installation for tube mills, drum mills or the like. : de en
  • GB660351A - Improvements in or relating to photographic or cinematographic cameras with image-forming mirrors : en
  • DE820279C - Device for storing items of all kinds : de en
  • DK73326C - Electric discharge tube for illuminating photographic darkrooms. : da en
  • US2573869A - Float rod assembly : en
  • US2573897A - Solvent extraction of vitamin a from fish liver oil : en
  • US2574207A - Magnetic recording and reproducing : en
  • US2574219A - Tack strip : en
  • US2574274A - Shuttering for the construction of walls : en
  • FI25464A - Screw : en fi
  • USD165087S - Marcus slip : en
  • US2574240A - Lathe attachment for cutting spherical shapes : en
  • DE819800C - Motorized bicycle : de en
  • DK73311C - Thermal switch of the glow discharge type. : da en
  • DE819765C - Shaping machine with opposite work tables and opposite tool holders : de en
  • DE819863C - Rewinder for flexible electrical lines : de en
  • GB660322A - An automatic machine for building transformer core laminations into coils : en
  • GB660457A - Improvements in coordinate switches for automatic telephone systems : en
  • US2574099A - Cutlery receptacle tray : en
  • GR13264B - NEW TYPE OF ELECTRIC AUTOMATIC WATER HEATER AND WAY OF SPECIAL INSULATION OF THIS. : el en
  • DE819933C - Swiveling water basin for cattle : de en
  • DE1630326U - METAL ARMORED WINDOW. : de en
  • FR993900A - Safety devices for supplying the burners with liquid fuel : en fr
  • FI25402A - Anordning innefattande en klinkknopp och en gemensam drivmekanism för klinkväljaren och klinkknoppens Axel : en fi
  • FR993849A - Finned tubes improvements : en fr
  • GB660309A - Improvements in or relating to oil-fired furnaces for heating air : en
  • GB660609A - An improved lid for a suspended milker : en
  • DE1630450U - BURN PROTECTION SHEATHING FOR HEATING ELEMENTS, IN PARTICULAR FOR WASHING POTS. : de en
  • FR993932A - Advanced training in modulated carrier current transmission devices : en fr
  • GB660515A - Improvements in or relating to presses for drawing sheet metal : en
  • FR993803A - Clockwork movement : en fr
  • US2573819A - Rotary pump or motor : en
  • US2574182A - Pipe joint : en
  • US2574149A - Article carrier for washing machines and tray therefor : en
  • DE1630487U - DEVICE FOR SHARPENING CIRCULAR SAW BLADES WITH MANUAL OPERATION. : de en
  • DE820205C - Drawing table : de en
  • FR993627A - Freezer compartment, especially for domestic refrigerators : en fr
  • DE819757C - Gas turbine : de en
  • DE820398C - Container with secret lock : de en
  • DE1630501U - FOAM STIRRER. : de en
  • FR993864A - Motorization of a front-end seeder : en fr
  • DE1630310U - TRAIN VEHICLE, IN PARTICULAR RAIL TRAIN VEHICLE. : de en
  • DE1630514U - VESSEL FOR LOADING AIR AND OTHER GASES WITH NARCOTIZING VAPORS. : de en
  • FR993616A - A method of making articles of rubber, rubber mixtures or similar elastic materials, and articles made by said process : en fr
  • FR993768A - Cellulose acetate-based molding compositions, and process for their preparation : en fr
  • DE1630271U - Curlers with lateral beads. : de en
  • DE819784C - Driver's seat, especially for motor tractors : de en
  • DE1630566U - ADDITIONAL DEVICE FOR THE PRODUCTION OF SERIES X-RAYS FOR EXTREMITY ARTERIOGRAMS. : de en
  • DE763528C - Lubrication hole closure : de en
  • DE819907C - Windows for top floor apartments : de en
  • US2574058A - Dishwashing machine : en
  • DE819597C - Potato harvester : de en
  • DE819860C - Electric dry cell : de en
  • DE820325C - Instant water heater : de en
  • FI25389A - Shirt : en fi
  • GB660400A - Improvements in and relating to building structures : en
  • DE819558C - Waterproof lamp : de en
  • GB660390A - Method for the neutralisation of acid calcium nitrate solutions or calcium nitrate melts containing ions of phosphate : en
  • GB660256A - Improvements in processing malting grain on malting floors : en
  • GB660291A - An improved cock capable of being produced in two parts by a moulding operation : en
  • GB660538A - Improvements in or relating to holders for electric discharge tubes : en
  • GR13269B - ELECTRIC TEMPERATURE. : el en
  • CA478346A - Ophthalmic mountings : en fr
  • US2573909A - Cornhusking attachment for portable farm elevators : en
  • DE810607C - Automatic coupling for vehicles on toy trains : de en
  • DE820004C - Process for the preparation of solutions of sulfonamides : de en
  • FR993788A - Self-closing globe valve : en fr
  • FR994024A - Plant for the manufacture of molded articles, in particular concrete construction elements : en fr
  • GB660339A - Device for use in connecting the ends of pipes : en
  • GB660476A - Improvements in or relating to double lock stitch leather sewing machine : en
  • US2574454A - Telephone system : en
  • USD165093S - Piano case : en
  • SE133585C1 - : sv
  • US2574170A - Combined washer and extractor : en
  • US2574438A - Computer using magnetic amplifier : en
  • DE819850C - Device for heating ovens for the production of activated carbon : de en
  • DE820195C - Nestable cleaning, application and shine brush : de en
  • FR993726A - Machine for grinding animal and vegetable substances and process for the development of fats : en fr
  • GB660591A - Improvements in the manufacture of anisotropic permanent magnets and in alloys therefor : en
  • CA478383A - Meat tenderizing machines : en fr
  • AU155268B2 - Improved container supporting and carrying means : en
  • GB660254A - Improvements in the manufacture of reinforced ebonite or like hard rubber conduits : en
  • GB660277A - Improvements in or relating to the production of finely-divided cellulosic material : en
  • DE819942C - Hydraulically or pneumatically operated control devices, especially for power lifts of tractors : de en
  • DK73320C - Trunk stamp. : da en
  • US2574054A - Fluid valve : en
  • GB660528A - Improvements in motor road vehicles : en
  • IE19689L - Improvements relating to swath turners and the like : en
  • FI25428A - Compatibility of the aid to the applicant and the return : en fi
  • US2573841A - Method of weaving loop pile fabrics : en
  • US2573961A - Low-resistance drilling fluids : en
  • US2574078A - Hydrogenated polyalkylated phenols : en
  • FR994030A - Process capable of increasing the capacity of lead-acid batteries by adding chemicals to the electrolyte : en fr
  • GB660338A - Improvements relating to snap-action electrical tumbler switches : en
  • DE819824C - Device for setting the limit level for centrifuges with a plate set : de en
  • DE819827C - Shooting box changing device for mechanical looms with a device for stopping the sley while the shuttle is running : de en
  • DK73334C - Plants for heat treatment of peat and lignite or similar materials. : da en
  • FR993841A - Automatic and stepless gear change device for motor vehicles and other applications : en fr
  • GB660307A - Improved slippers : en
  • FR993714A - Retaining device for the folding panels of the vehicle loading box : en fr
  • GB660319A - Improvements relating to the driver's compartment in a motor vehicle : en
  • DE1630428U - WALL OR TABLE CLOCK CASE. : de en
  • DE820263C - Device for shaping and compacting grainy masses : de en
  • DE1630592U - OPEN HOLDING DEVICE FOR GATE OR DOOR WING. : de en
  • DE820116C - Device for shaping hollow bodies out of Ruettelbeton : de en
  • GB660329A - An improved process for carrying out vapor phase chemical reactions in the presence of a suspended catalyst : en
  • DE819663C - Device for achieving jumping movements in toy figures : de en
  • DE819921C - Division of liquid quantities into small individual flows : de en
  • FR994026A - Apparatus for forging forging parts with large section variations : en fr
  • US2573980A - Safety razor : en
  • US2574418A - Hydraulic motor actuated mechanism for spinner type washing machines and the like : en
  • DE819777C - Vehicle powered by an internal combustion engine : de en
  • DE820301C - Process for the oxidation of paraffinic hydrocarbons : de en
  • DK73323C - Process for the continuous production of chocolate in the form of small fragments of any shape and apparatus for carrying out the process. : da en
  • AU490351A - Heavy duty fibre container for liquids and semi-liquids : en
  • GB660262A - Improvements in or relating to carburettors for internal combustion engines : en
  • GB660304A - Improvements in or relating to poles, standards and the like : en
  • US2574399A - Electrical relay of toggle type : en
  • AT169361B - Change gear : de en
  • CA478371A - Kinematograph sound film projecting and radio receiving units : en fr
  • FR993708A - High heat conductivity refractory bricks : en fr
  • CA478377A - Ventilated baby carriage hoods : en fr
  • AT169304B - Electrically heated sauna heater : de en
  • GB660410A - Improvements in or relating to a car coupler : en
  • DE820231C - Device for securing the tightness of shut-off valves or the like. : de en
  • FR993674A - Apparatus allowing the automatic advancement of a gummed strip in a wetting apparatus : en fr
  • GB660283A - An appliance for stimulating the process of lactation : en
  • GB660679A - Improvements in or relating to draw-leaf tables and like articles of furniture : en
  • GB660418A - Improvements in the manufacture of curved plates particularly for use in the construction of pressure vessels : en
  • FI25441A - A way to preserve animal tissues : en fi
  • DE819589C - Rapid moisture analyzer : de en
  • DE820129C - Mobile conveyor belt : de en
  • DE820330C - Process for the production of artificial teeth and means for carrying out the process : de en
  • FR993776A - Improvement in the preparation of triethylene melamine : en fr
  • FR993827A - Improvements to posts, pipes and similar hollow concrete articles, and to the manufacture of such articles : en fr
  • GB660552A - Improvements in or relating to automatic control systems for aircraft : en
  • US2574436A - Closed type burr : en
  • FR993759A - Vehicle track : en fr
  • DE819608C - Infinitely variable friction-locked gearbox : de en
  • US2574198A - Fluid meter : en
  • DK73312C - Regenerative heat exchanger. : da en
  • FI25430A - For example, the same information is provided : en fi
  • FI25434A - Anordning vid apparater fektpectivisk teckning : en fi
  • US2574244A - Refrigerator door latch : en
  • FR993830A - Improvements to sewing and trimming or serrating machines : en fr
  • GB660398A - Process for obtaining laminated products : en
  • DE819737C - Calculating disk with circular scale : de en
  • AT169395B - Device for driving elevators for agricultural purposes : de en
  • AU491051A - Improvements in or relating toan earth boring apparatus : en
  • AT169450B - Continuously working shaft furnace : de en
  • AU487851A - Improvements in or relating to electromagnetic deflection systems forc. R. tubes : en
  • DE1630402U - DIRECTION INDICATORS FOR MOTORCYCLES AND BICYCLES. : de en
  • DE819826C - Liquid distributor : de en
  • DE819838C - Method and device for purifying beer mash : de en
  • DE820371C - Film spool core with film clamping spring : de en
  • FR993882A - New method of braking the wagons at the exit of the sorting ridges and device for implementation : en fr
  • GB660655A - Improvements relating to fuel systems for gas-turbine aircraft engines : en
  • CA478299A - Machines for treating wood pulp and the like : en fr
  • DE819793C - Warning and protection devices for moving objects, especially motor vehicles : de en
  • DE820342C - Arrangement for displaying measured values on a logarithmic scale of a measuring instrument : de en
  • FR993769A - Sheet metal skewer : en fr
  • GB660529A - Improvements in or relating to footwear : en
  • US2574065A - Process for production of chromic oxide : en
  • US2574193A - Chemical recovery and control in the kraft pulp process : en
  • AT169391B - Swing saddle with puncture protection for bicycles and motorcycles etc. like vehicles : de en
  • AU493651A - Improvements in or relating to combustion apparatus : en
  • DE819651C - Tires, especially for bicycles and motorcycles : de en
  • CA478257A - Seeds for production of titanium dioxide and processes of making same : en fr
  • US2573876A - Fastener for buttons : en
  • US2574318A - Aluminum alloy : en
  • FI25416A - Cannula : en fi
  • GB660602A - Improvements in or relating to lamps providing a concentrated source of illumination : en
  • CA478331A - Brassiere-bandeau garments : en fr
  • FR993658A - Mechanical storage device : en fr
  • GB660376A - Improvements in or relating to circuit arrangements in automatic signalling systems : en
  • FR993810A - Improvements to parasiticidal products : en fr
  • GR13265B - NEW TYPE OF ELECTRIC AUTOMATIC HEATER. : el en
  • DE819653C - Luggage holder, especially for bicycles, motorcycles or the like. : de en
  • DE819654C - Bottle cap : de en
  • DE820031C - Circuit arrangement for determining the performance of female officers in telecommunications systems, in particular telephone systems : de en
  • DE820145C - Apparatus for cooling plastic masses : de en
  • DE820381C - Control device, especially for the actuation of motor vehicle doors : de en
  • AU487651A - Cellulose derivative and process of preparation : en
  • AT169370B - Continuous furnace : de en
  • CA478274A - Chromium-containing monazo dyestuffs : en fr
  • DE819885C - Low-frequency induction furnace with constant melt channel loading : de en
  • DE820052C - Infeed funnel for casting molds : de en
  • FR993807A - Quick coupling for various pipes : en fr
  • GB660296A - Improvements in and relating to endless conveyor belts : en
  • GB660537A - Articulated ramp, more especially for access and discharging of cars or wagons to and from a tipping apparatus : en
  • US2573904A - Shower head : en
  • CA478375A - Rust-proofing paint : en fr
  • DE1630547U - DEVICE FOR ADJUSTING THE SYNCHRONISM BETWEEN IMAGE AND SOUND RECORDS. : de en
  • DE820239C - Aid for a schematic overview of the harmony system : de en
  • US2573997A - Safety device : en
  • US2574323A - Double-webbed rail wheel : en
  • US2573814A - Cataloguing machine : en
  • US2574401A - Electric switch : en
  • DE819775C - Undercarriage for aircraft : de en
  • DE820416C - Metal barrel : de en
  • AT169331B - Acetylene producer : de en
  • CA478307A - Thermochemical cutting : en fr
  • DE819672C - Transport cart for the transport of manure in particular with an agricultural grab lift : de en
  • US2574166A - Device for dispensing discrete particles : en
  • US2573790A - Valve repair tool : en
  • US2574013A - Leaf turner : en
  • DE820036C - Electric battery : de en
  • AT169445B - Furnace for burning sawdust filled in flammable, sack-like envelopes : de en
  • CA478256A - Combined feeding bottle holders and heaters : en fr
  • DE819758C - Counter-rotating compound turbine : de en
  • DE820346C - Process and device for the production of cheese according to Hollaender style : de en
  • CA478281A - Control apparatus : en fr
  • AT169399B - Hand-held device for the rolling transport of logs : de en
  • AT169364B - Mixing device : de en
  • AT169413B - Loading device for with solid fuels, especially wood shavings and. Like. Wood waste operated firing systems : de en
  • DE1630287U - CAMERA WITH CLIP-ON RANGEFINDER. : de en
  • CA478249A - Mowing machines : en fr
  • CA478344A - Ophthalmic mountings : en fr
  • DK73305C - Process for the production of folic acid. : da en
  • FR993709A - Chassis for vehicles, in particular for agricultural vehicles intended to travel in rough terrain, etc. : en fr
  • US2573767A - Device for re-forming metal tiles : en
  • US2574271A - Wave-signal communication system : en
  • DE1630312U - PROTECTIVE BODY TO PREVENT OVERLARGE BENDING IN THE SUPPLY OF ELECTRICAL EQUIPMENT. : de en
  • FR994025A - Ratchet die holder head with interchangeable heads : en fr
  • US2574270A - Holder for waste disposal containers : en
  • US2574000A - Ionization and vacuum tube chamber : en
  • CA478272A - Double-row roller bearings : en fr
  • US2573890A - Separation of tall oil components : en
  • DE1630401U - TOWING ARRANGEMENT ON MOTOR VEHICLES. : de en
  • DE819661C - Suspension device for the roving bobbins of spinning machines : de en
  • DE819946C - omnibus : de en
  • FR993938A - Mechanism for automatic and constant level feeding of a bath of molten metal or alloy : en fr
  • DE1630515U - DEVICE FOR DISTRIBUTING OINTMENTS EMULSIONS, LOTIONS AND THE LIKE. : de en
  • DE756467C - Emergency lock for weir systems : de en
  • US2573910A - Method for burning pulverized coal : en
  • US2574287A - Sand distributor : en
  • DE1630574U - DRAWING ANGLE FOR PUMPUM BLOCK CONSTRUCTION ACCORDING TO DIN 4152 AND DIN 18151. : de en
  • DE819729C - Device for measuring pulsating, hydraulically generated forces : de en
  • DE819759C - Bearings to be exchanged for ball bearings : de en
  • DE819931C - Shovel drive for sorting machines, especially for potato sorting machines : de en
  • DE820126C - Broaching machine for removing stacks of briquettes or the like. : de en
  • GB660607A - Power indicating apparatus for internal combustion engines provided with governor : en
  • AU153849B2 - Improvements in heat exchange devices and method oftheir fabrication : en
  • AU492051A - Beadlike agglomerates'of rubber compounding agents : en
  • CA478264A - Closing devices for bottles : en fr
  • FR993940A - Improvements to circuit breakers : en fr
  • FR993989A - Mold for the manufacture of reinforced plaster hollow boards : en fr
  • CA478410A - Fountain tooth brushes : en fr
  • US2574251A - Dry cleaning machine : en
  • FR993831A - Cap for container intended to contain a liquid : en fr
  • AT169438B - Element made of fired material for the production of reinforced ceiling beams : de en
  • DE819761C - Sealing of bearings or the like by means of a circumferential and a fixed steel disk : de en
  • US2573782A - Needle actuating mechanism for circular knitting machines : en
  • US2574245A - Apparatus incorporating a cathoderay device, particularly television receivers : en
  • US2574250A - Trunnion support for attachments : en
  • USD165101S - orloff : en
  • DE767139C - Photographic double layer : de en
  • DE819684C - Contact furnace for carrying out exothermic reactions under pressure, especially for the conversion of carbon oxide : de en
  • DE820060C - Fastening device for the covering z. B. stretchers, deck chairs and the like. like : de en
  • AT169342B - Process for the production of therapeutically effective wood distillates : de en
  • AT169448B - Immersion vibrator for loose or pulpy masses : de en
  • AU496451A - Process forthe production of aliphatic alcohols : en
  • DE813597C - Process for the manufacture of bicycle tires : de en
  • FR993969A - Improvements to jet propulsion type vehicles and the procedures for establishing them : en fr
  • CA478259A - Contacting methods and apparatus : en fr
  • CA478293A - Mechanical doffing of spinning and like frames : en fr
  • US2573762A - Radar receiver sensitivity control system : en
  • CA478226A - Fuel-economisers and air-cleaners for motor vehicles : en fr
  • FR993702A - Metal copper plating process : en fr
  • GR13267B - CEMENT PULP FOR FRAMES. : el en
  • DE819783C - Seat arrangement for motor vehicles : de en
  • DE820218C - Agricultural multipurpose machine : de en
  • DE820303C - Process for the production of organic acids and their esters : de en
  • DE821498C - Sheet brake on sheet feeders of printing machines : de en
  • CA478290A - Hardenable copper base alloys and their fabrication : en fr
  • US2574029A - Method of making all-textile elastic fabrics : en
  • US2574383A - Temperature control apparatus : en
  • DE820338C - Cutting device for chopping food : de en
  • FI25432A - Refractive index for the interpolymer of the styrene medium and for the production of oil or of low oil oil modifiers alkyd resins : en fi
  • DE1630550U - GELATIN CAPSULE. : de en
  • DE1630600U - PLATE FOR SUPPORTING STANDING TRAVERS. : de en
  • AU491251A - Improvements in apparatus for detecting a selected object from groupof objects : en
  • DE820204C - Children's play furniture : de en
  • AU154229B2 - Cellulose derivative and process of preparation : en
  • GB660399A - Improvements in or relating to ball and roller bearings : en
  • GB660336A - Improvements relating to spring belts and other bands for personal wear : en
  • CA478254A - Building blocks and the manufacture and use of same : en fr
  • US2573845A - Adjustable back rest chair structure : en
  • DE819876C - Electric flat heating element : de en
  • CA478275A - Processes for the preparation of bz1-chlorobenzanthrone : en fr
  • US2574360A - Commutator : en
  • DE1630595U - WINTER SPORTS EQUIPMENT. : de en
  • GB660648A - Improved means for mounting a pulsator on a suspended milker : en
  • US2574087A - Carton handling device : en
  • FR993837A - Automatic collection and weighing device : en fr
  • DE820076C - Attachment head for extrusion presses : de en
  • DE819791C - Anti-glare filters, especially for car headlights : de en
  • US2573870A - Manometric gas detector : en
  • US2574225A - Process for rendering metal surfaces antiseptic and products therefrom : en
  • DE819645C - Method for pulling the rubber strand into the metallic running board of passenger cars : de en
  • DE819843C - Evaporator : de en
  • DE819939C - Machine-made welded joints between metal sheets, in particular locomotive boiler sheets : de en
  • DE753435C - Process for the preparation of an active, carbonaceous colloidal material with ion exchange properties : de en
  • DE820324C - Display tube with fluorescent screen : de en
  • DE819610C - Device for creating polygonal holes : de en
  • FR993733A - Device for reducing the section of a fluid circulation pipe : en fr
  • DE819835C - Process for the production of acidulants for beer preparation by biological means : de en
  • DE1630377U - FILLING COMB. : de en
  • GB660453A - Improvements in or relating to valve actuating mechanism : en
  • DE1630371U - HYGIENIC MOUTH PROTECTION FOR GLASSES, ESPECIALLY FOR DOCTORS AND DENTALS. : de en
  • DE819772C - Flash lamp : de en
  • DE820335C - Ampoule for injection solutions, especially for dental treatments : de en
  • DE820128C - Mobile conveyor belt : de en
  • GB660401A - Improvements in or relating to vapour electric discharge devices : en
  • FR993944A - Batting apparatus : en fr
  • US2573925A - Corn picker and husker with grain recovery device : en
  • GB660633A - Improvements relating to knock-down or collapsible furniture : en
  • FI25391A - Refining conditions for the production of water-based products, films and cellulose ether carbons : en fi
  • US2573826A - Nailing table for box lidding machines : en
  • US2574044A - Shrimp peeling machine : en
  • US2574175A - Tape-dispensing machine : en
  • USD165120S - Combined table lighter and ash receiver rack : en
  • USD165095S - Four-in-hand necktie : en
  • FR993614A - Lock enhancements : en fr
  • US2573766A - Handbag construction : en
  • US2574023A - Wallet protector : en
  • US2573811A - Process for producing 1 amino 2, 3 dicyano 4 oxyalkylamino anthraquinones : en
  • US2574143A - Gun sling : en
  • US2574208A - Head covering : en
  • GB660252A - Improvements in or relating to adhesives : en
  • DE819625C - Exposure device for copier machines with rotating exposure roller : de en
  • DE819753C - Two-stroke internal combustion engine with split pistons : de en
  • DE1630520U - HEATING INSERT IN HOT-AIR STOVE FOR SOLID FUELS. : de en
  • DE819716C - Wringer : de en
  • DE820185C - Electrically heated sauna heater : de en
  • FI25405A - Belysningsarmatur : en fi
  • GB660555A - Improvements in radio-location and detection arrangements : en
  • AT169323B - Process for creating crepe-like shrinking effects combined with color printing effects : de en
  • GB660562A - Improvements in fuel injection pumps particularly for internal combustion engines : en
  • DE819703C - Device socket : de en
  • DE819958C - Swim glove : de en
  • DE819770C - Plansifter : de en
  • US2574450A - Desulfurization of hydrocarbon extracts : en
  • US2574112A - Grinding machine attachment : en
  • USD165046S - Tandem disk harkow : en
  • US2574409A - Tie section for connecting adjacent ladder scaffolds : en
  • DE751180C - Device for receiving or amplifying electrical vibrations with adjustable bandwidth : de en
  • DK73303C - Distillation apparatus. : da en
  • DE819570C - Needle bar drive on flat weft knitting machines, especially cotton knitting machines : de en
  • US2573861A - Food handling apparatus : en
  • FR993934A - Frequency reduction device and the like : en fr
  • FR993909A - Joints for masonry, concrete and reinforced concrete constructions, using expansive materials : en fr
  • GB660578A - Improvements in or relating to a press, particularly a veneering press : en
  • US2573719A - Regulating valve for cooking utensil covers : en
  • DE819566C - Electromagnetic safety system for displaying hidden electrical conductors that have been carried along : de en
  • DE820368C - Process for the production of molded articles, in particular fiberboard : de en
  • DE819640C - Axle steering for road vehicles : de en
  • DE820296C - Process for the production of a vinyl acetate derivative C H O : de en
  • DE1630358U - CLOSURE FOR SAECKE OR THE LIKE. : de en
  • DE1630585U - CLUTCH DAMPER. : de en
  • DE1630445U - TRANSFORMER MOUNTING. : de en
  • FR993668A - Motor-transmission front end for motor vehicles : en fr
  • AU494651A - Wood preservative compositions containing mineral oil and pentachlorophenol : en
  • US2574056A - Test insertion for the checking of the correct shape of the inner and outer treading area of footwear : en
  • USD165047S - Combined table ornament and statuary box : en
  • US2573836A - Strainer for food handling apparatus : en
  • DE820219C - Fingers for the cutting mechanism of mowing machines : de en
  • FR993982A - Underwater mine : en fr
  • FI25421A - Varmluftkamin : en fi
  • FR993762A - High frequency circuit tuning device of a radio wave receiver : en fr
  • GB660678A - Improvements in or relating to bent articles of laminated wood, such as tennis rackets : en
  • GB660479A - Improvements in and relating to model railway locomotives and trains : en
  • US2574451A - Catalytic desulfurization of petroleum hydrocarbons : en
  • GB660519A - Improvements relating to suction cleaners : en
  • US2574118A - Railroad track crib cleaning apparatus : en
  • FR994010A - Coating product such as varnish or lacquers : en fr
  • GB660259A - Optical objectives : en
  • FR993643A - Improvements to machines for bending tubes and the like : en fr
  • FR993991A - Process for the preparation of dyes in readily dispersible form in water and resulting products : en fr
  • FI25406A - Hållare, som tjänar som fäste för ett lysämnesrörs ena ände : en fi
  • GB660593A - Improvements in or relating to methods of making aquasols and organo-aquasols : en
  • US2573846A - Electric load regulator : en
  • DE819577C - Device for producing hollow rubber bodies with an embossed outer surface, e.g. B. bathing caps, on a core : de en
  • GR13272B - SPARE FLOORS AND COLLARS UNITED AND READY, MEN'S CAMPARDINS, MEN'S COATS AND MEN'S BAGS. : el en
  • FR994039A - Hydraulic motor system : en fr
  • GB660545A - Improvements in or relating to herbicidal compositions : en
  • GB660597A - Improvements in and relating to centrifuges : en
  • GB660551A - Improvements in or relating to aircraft flight control systems : en
  • GB660617A - Improvements in and relating to potters' lathes and chucks : en
  • DE1630499U - CRANKSET PRESS FOR BROWN COAL OR THE LIKE. : de en
  • FR993705A - Crankcase cover for auxiliary cycle and moped engines : en fr
  • GB660380A - Improvements in the regeneration of base-exchange material in water softening plants : en
  • DE819634C - Fluid shock absorbers, especially for road and rail vehicles, with a piston provided with passage valves for the brake fluid and an air-filled compensation chamber : de en
  • GB660505A - Improved pressing tools or press moulds, more particularly for the production of articles from hard metal powder and the like : en
  • US2573905A - Sludge removing system : en
  • DE1630265U - PROTECTIVE DEVICE FOR ELECTRIC HOUSE CONNECTIONS. : de en
  • FR993865A - Improvement in formwork devices, such as those used for reinforced concrete constructions : en fr
  • FR994017A - Constant frequency AC generator, variable speed driven : en fr
  • US2573810A - Liquid process duplicating machine : en
  • US2574163A - Mechanism for fabricating building sections : en
  • US2574127A - Attachment for box-covering machines : en
  • DE820253C - Fountain pen in which the nib is clamped between the inner wall of the holder shaft and the ink feed : de en
  • US2574216A - Fish reel : en
  • DE820019C - Semiconductor amplifier arrangement : de en
  • FR993823A - Improvements relating to parachutes : en fr
  • FR993976A - Metal bed base : en fr
  • DE819976C - Sliding coupling for centrifuges : de en
  • FI25399A - Anordning för ekning av utnyttjningsgraden hos ett ledningsnät : en fi
  • FI25445A - Anordning vid stoftavskiljare : en fi
  • GB660475A - Improvements in preparation of trihalogeno-olefinic compounds : en
  • DE1630529U - WIRE NETWORK SILO. : de en
  • DE820203C - Corner sofa convertible into a double bed : de en
  • DE824203B - Process for the condensation of isatin with phenols or their derivatives : de en
  • US2573830A - Impulse testing device : en
  • FI25462A - Shower device : en fi
  • FR993696A - Convertible bag : en fr
  • GB660608A - Power indicator apparatus for internal combustion engines provided with injection pump with governor : en
  • DE820114C - Press tool for compacting concrete masses in molds : de en
  • DE820272C - Clock pendulum with temperature compensation : de en
  • CA478243A - Animal catchers and holders : en fr
  • CA478273A - Solvent compositions : en fr
  • USD165089S - Air circulating unit : en
  • FR993995A - Index facilitating the use of works such as dictionaries : en fr
  • US2573892A - Convertible davenport and bed : en
  • US2573894A - Compositions of matter comprising halogenated organic compounds : en
  • US2574277A - Electrical connection : en
  • GB660260A - Improvements in electric discharge devices : en
  • GB660341A - Improvements in or relating to thermally responsive elements : en
  • GB660433A - Improvements in or relating to radio and television receivers electrically reproducing gramophones and the like thermionic valve reproducing apparatus : en
  • AU493551A - Improved method and machine for producing unwoven fabrics : en
  • FI25450A - Cash register : en fi
  • DE1630509U - SOCKET ARRANGEMENT IN THE HOUSING OF LUMINAIRES. : de en
  • DE1630530U - RIGID HEADGEAR WITH TWO BANDAGE PACKAGES ATTACHED TO THE INSIDE. : de en
  • DE1630588U - SUN VISOR EQUIPPED WITH A POLARIZING FILTER FOR PHOTOGRAPHIC PURPOSES. : de en
  • DE1630460U - WARDROBE FOR SCHOOLS. : de en
  • FR993922A - Device for automatically routing items taken from stock : en fr
  • DE819690C - Process for obtaining an iron powder for powder metallurgical purposes : de en
  • FR994014A - Method of basting felt articles and machine for its application : en fr
  • GB660436A - Improvements in or relating to lubricating systems for internal combustion engines : en
  • US2573786A - Sprinkler : en
  • US2573873A - Hog oiler : en
  • AU156745B2 - Improvements in method and means for rounding off and polishing the ends of thermoplastic brush bristles : en
  • CA478305A - Packaging machines : en fr
  • AU153092B2 - Voltage limiting device : en
  • GB660467A - A new or improved apparatus for measuring the abrading effect of metals : en
  • DE819833C - Winch drive for cutting machines : de en
  • US2574002A - Web handling mechanism for multicolor printing presses : en
  • US2574285A - Yarn package support : en
  • AU156508B2 - Apparatus for extruding plastic material by worm means : en
  • CA478388A - Vacuum tube circuits : en fr
  • US2573824A - Machine for high-frequency determinations of wall thickness of bottles and the like : en
  • FR993615A - Method and apparatus for the manufacture of welded metal tubes : en fr
  • FR993752A - Lighter : en fr
  • FR993793A - Improvements made to shoe insoles : en fr
  • FR994043A - Attachment device for oscillating corridors : en fr
  • GB660352A - Lenses for light projectors and projectors incorporating the same : en
  • USD165122S - Bottle : en
  • AT169339B - Procedure for drag welding and electrode for this : de en
  • DE1630474U - INSULATION BOTTLE. : de en
  • DE819574C - Building block : de en
  • DE820053C - Mixing machine for grainy goods : de en
  • DE820086C - Tensioning parts for ring springs : de en
  • GB660542A - Improvements in tractor hoods : en
  • US2573731A - Acid metering and atomizing nozzle : en
  • US2574288A - Ear protector : en
  • US2573843A - Pneumatic gauging device : en
  • US2573864A - Starter means for hydraulic devices : en
  • US2574017A - Truck body for carrying bottle cases : en
  • FI25415A - Förfaringssätt för framställning av antibiotisk substans : en fi
  • FR993703A - Automatic intensity regulator assembly in a receiver intended for positive modulation television signals : en fr
  • GB660328A - Improvements in or relating to current supply systems for electrical precipitators : en
  • FR993749A - Headrest for seats : en fr
  • FR993612A - Process for the separation of mixtures of particles differing in grain size and specific weight : en fr
  • DE1630557U - INSERT LOCK. : de en
  • DE819722C - Mortar sledge : de en
  • GB660383A - Blade mounting for axial-flow compressors and the like : en
  • GB660327A - Improved process for the production of transparent paper, in particular for drawing purposes : en
  • FR993657A - System for the study and prospecting of land using radio-electric wave trains : en fr
  • FR993676A - Mechanical pencils : en fr
  • GB660514A - Improvements in combination square and bevel tools : en
  • DE819642C - Exhaust pipe trim : de en
  • DE767138C - Arrangement for drilling long small-diameter holes, especially gun barrels : de en
  • DE819668C - Process for the production of panels from bulk material : de en
  • DE1630378U - BLADE SUPPORT PLATE FOR RAZOR BLADE CASE. : de en
  • DE820427C - Picker for upper and lower looms : de en
  • DE761483C - Must sterilizer : de en
  • DE819569C - Process for the complete utilization of the fuel dust entrained in the gas during the gasification of predominantly fine-grained fuels in generators with descending gasification and preparation of the fuel bed by blowing in from below : de en
  • DE819639C - Sunroof for car : de en
  • DE819763C - Oil can, especially for mining machines : de en
  • FR993640A - Improvements to hand-operated trolleys : en fr
  • DE814967C - Hand pack : de en
  • DE820285C - Quick release : de en
  • DE820353C - Drain valve and process for its manufacture : de en
  • DE819636C - Trailer for residential or other purposes : de en
  • DE819705C - Sign for phase designation on pylons : de en
  • DE820288C - Lateral guidance of the rolling stock when rolling blanks in rolling mills : de en
  • FR993672A - Device allowing the continuous and automatic placement of staples or seals from unrolling strips : en fr
  • DE820062C - Wall picture folder for storing unframed pictures, wall maps or the like. : de en
  • US2573922A - Automatic gripping spatula : en
  • US2573924A - Audible electric signaling apparatus : en
  • DE819551C - Arrangement of the sub-units of lighting variators : de en
  • DE819711C - Tiltable low frequency induction furnace : de en
  • DE819954C - Ball socket for ballpoint pen : de en
  • FI25422A - Sauna stove : en fi
  • FI25451A - Gevärssikte : en fi
  • GB660561A - Improvements in lighting fittings : en
  • US2573716A - Mixing valve : en
  • US2574346A - Torsion-rod means for holding grinding rollers in adjustable cooperation with opposing grinding elements : en
  • DE820249C - Device for adjusting the spring preload, especially for truck brake valves : de en
  • DE820403C - Electrical switching device for flashing light signals, especially for motor vehicles : de en
  • FR993868A - Process for the treatment of liquids with a view to their sterilization, activation, irradiation, etc., and apparatus for carrying out this process : en fr
  • USD165059S - Continuous processing machine for butter, margarine, or sim- ilar article : en
  • US2574273A - Hydraulic cylinder assembly and method of manufacturing : en
  • US2574442A - Glider for hand vacuum cleaners : en
  • US2573943A - Telemeter type hydraulic power transmitting system : en
  • US2574284A - Process for the production of high electrostatic charges by self-excitation : en
  • GB660499A - Improved mop wringer attachment to a bucket : en
  • DK73313C - Procedure for aerobic digestion of flax and other fibrous plants. : da en
  • CA478303A - Lock sliders : en fr
  • AU149694B2 - Improved blade for rotary hoes : en
  • DE819689C - Process for the production of solid calcium chloride : de en
  • DE820159C - Circuit arrangement for telephone extension systems with dialer operation : de en
  • AT169418B - Radiant heaters with gas firing : de en
  • CA478245A - Devices for assisting parturition of animals : en fr
  • DE759484C - Multi-stage, radially loaded steam or gas turbine : de en
  • AU157853B2 - Apparatus for reproduction of television pictures orthe like : en
  • CA478409A - Corsets : en fr
  • AU158008B2 - Production of beadlike agglomerates of dithiobis benzothiazole : en
  • CA478326A - Typewriting machines : en fr
  • CA478251A - Non-shanking golfing irons : en fr
  • DE819543C - Screw press for bookbinding : de en
  • DE820078C - Differential thermometer : de en
  • DE820265C - Production of a hydraulic binder : de en
  • US2573919A - Transmission : en
  • US2574167A - Portable and emergency equipment for inductive carrier communication systems : en
  • US2574265A - Separation of organosilicon materials : en
  • CA478349A - Calculating machines : en fr
  • DE820206C - Storage rack for elongated bodies such as bottles etc. : de en
  • DE820307C - Process for the preparation of new naphthylpropionic acids and their functional derivatives : de en
  • AU491851A - Production of beadlike agglomerates of dithiobis benzothiazole : en
  • US2573842A - Fluid control : en
  • USD165086S - marcus : en
  • AT169306B - Musical strings, in particular for string and plucked instruments : de en
  • DE819626C - Stroller convertible into a pushchair : de en
  • CA478277A - Metachrome dyeing procedure : en fr
  • CA478296A - Processes for preparing polymethine dyes : en fr
  • US2573984A - Cover and lock for toilet flush tanks : en
  • USD165076S - Hill combined jars and tray unit : en
  • GB660585A - Improvements relating to platen printing machines : en
  • GB660673A - Improvements relating to electric switches for controlling the starting of internal combustion engines : en
  • US2573763A - Fitted traveling case : en
  • US2574036A - Dispensing device for volatile products : en
  • US2574039A - Magnetic centering device for cathode ray tubes : en
  • US2573689A - Internal-combustion engine variable combustion chamber : en
  • USD165114S - Tie back : en
  • AT169386B - Spring independent suspension for motor vehicles or the like. : de en
  • CA478335A - Holder devices for end-capped electrical discharge tubes provided with control switches : en fr
  • DE820156C - Circuit arrangement for telecommunications systems, in particular telephone systems, with dialer operation and number current surge receivers located behind the line dialer : de en
  • DE820189C - Conveyor belt caster : de en
  • FR993629A - Removable muscle-powered device for nautical devices : en fr
  • GB660253A - Improvements in or relating to electric pulse generators : en
  • GB660285A - Explosively operated device for perforating well casings : en
  • GB660547A - Improvements in and relating to electric fans : en
  • DE819908C - Eaves gutter : de en
  • DE820321C - Electric discharge tubes : de en
  • AT169366B - Transport and circulation device : de en
  • GB660446A - Improvements in plate heat exchangers : en
  • DE819925C - Schlieren process : de en
  • FR994049A - Multiplex telegraphy system : en fr
  • GB660407A - Improvements relating to the incorporation of volatile medicaments, compounded perfumes and other volatile substances in synthetic plastics : en
  • US2573711A - Machine for measuring and dispensing granular material : en
  • US2573907A - Apparatus for handling fish : en
  • US2574421A - Paper tacking machine : en
  • CA478415A - Mountings, more particularly for electric table lamps : en fr
  • DE1630294U - LICENSE PLATE LIGHTING, REAR REFLECTORS. TAIL LIGHT AND BRAKE LIGHT IN ONE HOUSING LIGHT FOR MOTOR VEHICLES, IN PARTICULAR MOTORCYCLES. : de en
  • DE1630335U - ADJUSTABLE DETACHABLE ROW PULLER WITH SHARPENER AND KNIFE. : de en
  • DE1630568U - MEDICAL SYRINGE, IN PARTICULAR INJECTION SYRINGE. : de en
  • AU157190B2 - Improvements in liquid pressure relays : en
  • DE1630434U - DIAPERS FOR TODDLERS. : de en
  • DE819682C - Hanging register : de en
  • DE820124C - Trough conveyor : de en
  • CA478285A - Retainer mechanism for quick disconnect couplings : en fr
  • US2573704A - Making calcium fluoride : en
  • DE1630436U - ZIPPER MAINS VENTILATION. : de en
  • DE767146C - Process for the preparation of basic substituted phenylacetamides : de en
  • DE819906C - Roof construction : de en
  • DE820009C - Natural ice freezer : de en
  • DE820373C - Methods and apparatus for developing photographic sensitized materials : de en
  • FR993730A - Ceramic molded parts press manufacturing process : en fr
  • DE819773C - Copier, especially photocopier : de en
  • DE1630504U - BLIND SHIELD WITH RING MOUNT, INSERTED IN HEADLIGHT, ESPECIALLY FOR VEHICLES. : de en
  • US2574298A - Heat exchanger clothes drier : en
  • DE1630443U - CARD FOR TELEPHONE APPARATUS. : de en
  • DE819879C - Vessel with electric immersion heater : de en
  • DE819964C - Toy vehicles, in particular toy cars with drives : de en
  • FR993984A - Continuous casting machine : en fr
  • GB660613A - Improvements in or relating to electrical measuring instruments : en
  • GB660444A - Improvements in or relating to clockwork toys : en
  • GB660677A - Improvements in and relating to the production of cast iron articles : en
  • DE819677C - Machine vice with one linearly displaceable and one repositionable clamping jaw : de en
  • GB660568A - Improvements in pipe connections : en
  • AU493251A - Improvements in or relating to bunkers, hoppers, and like receptacles : en
  • DE1630572U - GRIPPER HEART. : de en
  • US2574140A - Marine oil well derrick foundation : en
  • GB660523A - Improvements in paint spraying devices : en
  • DE1630281U - CIRCULAR ARC TEMPLATE WITH TANGENTS. : de en
  • DE1630375U - NECESSAIRE, ESPECIALLY FOR MEN. : de en
  • DE1630469U - BOTTLE RACK WITH JOINT COVERING OF THE JOINT CORNERS. : de en
  • DE1630406U - HOLDER FOR BRIEFCASE OR THE LIKE ON MOTORCYCLES. : de en
  • GB660344A - Improvements in or relating to variable resistances and inductances : en
  • DE820331C - Prosthetic eye : de en
  • DE820405C - Reflector : de en
  • FR993884A - Further development of compressor-powered combustion engines, in particular for motor vehicles : en fr
  • US2573795A - Hydrocarbon synthesis process : en
  • US2573774A - Ammunition container : en
  • US2573936A - Leather sanding machine : en
  • US2574069A - Apparatus for cleansing drinking vessels and the like : en
  • GB660324A - Horizontal reference : en
  • GB660527A - A device for use in handling or displaying garments : en
  • DE820169C - Device for pulling in and out of cables, which conduct the current from a fixed point to a mobile device, in particular cable routing for harbor cranes : de en
  • FR993738A - Round saw for glass bulbs : en fr
  • US2573825A - Machine for pretreating plastic materials : en
  • US2574427A - Condyle position indicating apparatus : en
  • CA478393A - Railway traffic controlling apparatus : en fr
  • DE820348C - Process for generating power from the exhaust gases of an internal combustion engine : de en
  • FI25397A - Anordning vid värmeväxlare : en fi
  • AU486951A - Floor cleaning appliance : en
  • US2573880A - Explosively actuated anchor for mine roof bolts : en
  • US2574255A - Single pedal combination hydraulic and mechanical vehicle brake : en
  • US2574110A - Attachment for grinding machines : en
  • CA478292A - Methods of and means for eliminating electro-static charges in industrial processes : en fr
  • DE819584C - Projector : de en
  • DE820039C - Contact arrangement for high-voltage open-air disconnector : de en
  • GB660297A - Method of briquetting dried fish, dried meat and other dried foodstuffs consisting mainly of animal tissue : en
  • GB660417A - Improvements in or relating to electrical inductors : en
  • GB660496A - Improvements in or relating to clamps : en
  • GB660662A - Improvements in or relating to emulsifiers for liquids and semi-solids : en
  • GB660462A - Improvements in scraper-conveyors : en
  • GB660442A - Improvements in or relating to reciprocating pumps : en
  • FI25390A - Mask for framing with a spiral shape : en fi
  • GB660559A - Improvements in or relating to craft control apparatus : en
  • US2574117A - Bubble-blowing device : en
  • DE1630411U - ARRANGEMENT OF THE PISTON WITH RUNNER TUBE AND LOADING DEVICE FOR AIR RIFLE. : de en
  • DE820354C - Check valve : de en
  • DE820074C - Process for sanding wood, plastics, metals and the like Like. On cylinder grinding machines : de en
  • DE819621C - Ejection device for developing machines u. like : de en
  • DE820166C - Electrical cable with a jacket made of insulating material, preferably made of a thermoplastic material : de en
  • DE820083C - Aquarium : de en
  • DE819681C - Machine for leveling peat bogs : de en
  • US2573833A - Electric switch actuator : en
  • US2573963A - Pitch changing mechanism for stringed musical instruments : en
  • US2573738A - Fungicidal compositions : en
  • USD165052S - Cramer arm chair : en
  • USD165053S - Combined sign and trellis : en
  • DE1630337U - FORK ARTICULATED ON A FORK STICK UNDER THE EFFECT OF A SPRING ON HAY TURNERS. : de en
  • DE820042C - Air duct for electrical collector machines, especially AC collector rail motors with fan cooling : de en
  • DE820158C - Circuit arrangement for telephone extension systems with dialer operation : de en
  • US2574134A - Contact spring assembly or the like and method of producing the same : en
  • US2574291A - Telescopic valve device : en
  • US2574334A - Air-blast circuit breaker : en
  • DE1630565U - POWDER WIPER FOR FIXING COPIES. : de en
  • US2574371A - Method of making baskets : en
  • DE1630454U - ASH CAPSULE FOR URNS. : de en
  • DE820098C - Spring insert part for fountain pen : de en
  • DE820428C - Hydraulic turbine with speed regulator : de en
  • FR993815A - Universal frame or shade for light bulb or electric lamp : en fr
  • CA478233A - Fish dressing machines : en fr
  • DE819714C - Storage tent : de en
  • GB660532A - Spray burner installation for use with heavy oil fuels : en
  • DE767117C - Steering device for motor vehicles : de en
  • GR13270B - ALUMINUM HEATERS. : el en
  • US2574194A - Ironing board stand attachment : en
  • US2574295A - Sacking device with pivotally mounted sack support : en
  • DE819751C - Device for preparing the honeycomb for centrifugation : de en
  • DE820144C - Process for making ice cream : de en
  • DE820170C - Step switch, especially for heating pads : de en
  • DE820356C - Pressure reducer with built-in manometers : de en
  • FR993659A - Method of attaching slide fasteners to clothing : en fr
  • DE820201C - Foldable holder for items of clothing u. like : de en
  • DE819576C - Welded node connection of tubular frameworks with double straps : de en
  • FR993857A - Further development in the manufacture of complex granulated fertilizers : en fr
  • FR993872A - Fast charging electric oven : en fr
  • GB660422A - Electrically driven planing machine : en
  • USD165061S - Eichenbaum umbrella : en
  • DE819945C - Drive for a tilting device for trailer or trailer vehicles, especially for agricultural purposes : de en
  • DE820355C - Ring valve with several guide links bent according to the valve ring : de en
  • DE820048C - Process for the production of vegetable and other fats : de en
  • DE820081C - Tillage equipment : de en
  • DE820224C - Method and device for discharging and charging two-stroke internal combustion engines : de en
  • DE820232C - Automatic material bar feed : de en
  • FR993639A - Safety device for freight elevator : en fr
  • DE767136C - Control device for fluid transmission : de en
  • DE820227C - Multi-cylinder two-stroke internal combustion engine : de en
  • DE820339C - Sewing table with rotating drawers : de en
  • DE819554C - Circuit arrangement for displaying direct voltages on the screen of a cathode ray oscilloscope : de en
  • DE819698C - Process for the preparation of basic esters : de en
  • US2573954A - Water pistol with mechanism which discharges a succession of water shots : en
  • US2574357A - Method of and apparatus for forming solder pellets : en
  • DE1630313U - LIGHTING ELEMENT. : de en
  • DE1630582U - DEVICE FOR SIGN MARKING ON CALCULATING MACHINES OR THE LIKE. : de en
  • DE819870C - Electric switch for switching and turning off fluorescent lamps : de en
  • DE820104C - Warning buzzer : de en
  • DE1630455U - KNIFE WITH DISC DEFLECTOR. : de en
  • DE819614C - Hand tool for punching plates, strips or the like. : de en
  • GB660675A - Improvements in frequency-dividing circuits : en
  • DE819898C - Sofa convertible into a bed : de en
  • DE820402C - Sirens, in particular for generating ultrasound : de en
  • CA478348A - Paper feeds for writing machines : en fr
  • US2574294A - Windshield wiper : en
  • GB660331A - Improved refrigeration apparatus : en
  • GB660576A - Improvements in or relating to means for providing a measurement of the speed of an electric motor : en
  • US2574423A - Awning construction : en
  • DE1630569U - PLYWOOD FRAME FOR ALL TYPES OF CASES. : de en
  • DE819646C - Pneumatic tires for vehicles : de en
  • GB660470A - Improvements in or relating to wheatstone bridges : en
  • CA478250A - Hydraulic devices for damping oscillations for spring suspensions of vehicles and the like : en fr
  • DE820103C - Luminous cover cap for signal lamps : de en
  • GB660535A - Improvements in or relating to sectional boilers : en
  • DE1630427U - DEVICE FOR LOADING BULK GOODS FROM LONG STRETCHED CHANNELS IN PARALLEL TO DRESEN MOVABLE RECEPTION DEVICES LIKE BUNKERS AND THE LIKE. : de en
  • DE1630465U - FLOOR LEVELING FITTING FOR FURNITURE. : de en
  • DE1630495U - OVAL TARPAULIN CLAMP WITH ROTATING PLATE. : de en
  • CA478364A - Circuit-arrangements comprising cathode-ray tubes : en fr
  • AT169326B - Process for the production of ready-baked electrodes and electrodes that are self-baking during operation : de en
  • DE819816C - Tubes or similar containers for all ointments, pastes and liquids : de en
  • DE820030C - Circuit arrangement for telephone systems with main and sub-offices : de en
  • DE820305C - Process for the production of valeric acids : de en
  • DE820389C - Device for combating the escape from the driver in motor vehicle accidents : de en
  • GB660565A - Improvements in or relating to the cleaning of boilers and other apparatus : en
  • FR993605A - Ball mill for grinding chemical pulp for matches and the like : en fr
  • GB660671A - Separation from a froth of the gas and the liquid or suspension : en
  • US2573797A - Switch having one or more tubular contacts : en
  • US2573886A - Lasting machine : en
  • GB660647A - Improvements in lighting fittings : en
  • AU160343B2 - Signal phasing system for color television : en
  • AT169384B - Disc brake for bicycle and motorcycle hubs : de en
  • AT169392B - Elastic wheel tire : de en
  • CA478361A - Circuit-arrangements for super-regenerative reception : en fr
  • DE1630398U - DEVICE CONSISTING OF A HAND-HELD CAMERA IN CONJUNCTION WITH A SPECIAL LAMP HOUSE FOR PROJECTION AND ENLARGING PURPOSES. : de en
  • GB660516A - Improvements in or relating to electrical conductor rails and current collecting carriages travelling thereon : en
  • USD165106S - Orloff blouse : en
  • USD165127S - Stand for hanukkah lights : en
  • CA478320A - Alloy steels for use at elevated temperatures : en fr
  • US2573884A - Removable shot magazine for pneumatic guns : en
  • US2574243A - Treatment of colored colloid layers : en
  • AT169308B - Circuit with a DC voltage source of higher voltage for supplying a consumer that receives the power in pulses : de en
  • AT169376B - Transportable mountain frame saw : de en
  • DE1630409U - RAZOR BLADE WITH BEND HOLES. : de en
  • DE819715C - Protective cover for tickets or the like. : de en
  • US2574229A - Flywheel synchronization system : en
  • CA478382A - Meat tenderizing machines : en fr
  • GB660439A - Improvements relating to bottle cap package : en
  • GB660627A - Improvements relating to platen printing machines : en
  • AT169385B - Slewing crane : de en
  • CA478241A - Anchoring sockets for bolts : en fr
  • US2574218A - Magnetic recorder with automatic time delay between reversals of record transport system : en
  • DE819900C - Mothproof box, chest or the like. : de en
  • US2574241A - Truss or beam for metallic building structures : en
  • AT169352B - Process for the production of bodies with high fire resistance : de en
  • USD165092S - Piano case : en
  • US2573969A - Two-way plow : en
  • AT169373B - Mothproof sack for storing clothes hanging on hangers : de en
  • AU491951A - Process of producing beadlike agglomerates of rubber compounding agents : en
  • CA478406A - Bodies for street cleaning machines : en fr
  • DK73331C - Razor. : da en
  • DK73332C - Method and apparatus for treating soles. : da en
  • US2573726A - Catalytic desulphurisation of naphthas : en
  • US2574311A - Magnetic testing of elongated material : en
  • DE819829C - screwdriver : de en
  • CA478321A - Deceleration controls for automatic transmissions : en fr
  • AT169415B - Trigger device for automatic firearms : de en
  • AU154020B2 - Improvements in apparatus for detecting a selected object from groupof objects : en
  • US2573761A - Valve : en
  • US2574449A - Process of catalytic desulfurization of naphthenic petroleum hydrocarbons followed by catalytic cracking : en
  • US2573996A - Side wall for bicycle wheels and tires : en
  • DE820137C - Process for the desulphurisation of relatively low-boiling tar hydrocarbons : de en
  • GB660548A - Pressure relief valve for pressure cookers : en
  • DE1630502U - CANDLE HOLDER. : de en
  • CA478323A - Soldering connectors of dry batteries : en fr
  • AU153395B2 - Improvements in or relating to telegraph transmission by reversals : en
  • CA478263A - Saw setting machines : en fr
  • DE820050C - Gas generators : de en
  • AU495951A - Improved liquid meter. l-r : en
  • USD165081S - Combined cape and scarf : en
  • CA478345A - Ophthalmic mountings : en fr
  • US2574063A - Teat cup liner for milking machines : en
  • US2573978A - Method for dissolving cellulose xanthate : en
  • AT169319B - Process for tempering steel : de en
  • AT169355B - Machine for grinding and regrinding crankshafts : de en
  • US2574160A - Plug : en
  • US2573827A - Hosiery packaging : en
  • US2573840A - Rate measuring and comparing circuit : en
  • US2574070A - Purification of substances by microbial action : en
  • US2574375A - Wood products and method of making : en
  • FR993986A - building element : en fr
  • DE820385C - Anti-glare screen for drivers of land vehicles : de en
  • AT169314B - Process to reduce the tendency to felting of wool : de en
  • US2574446A - Catalytic desulfurization of gas oilkerosene mixtures : en
  • DE1630303U - CUFF GUARDS. : de en
  • US2574120A - Poppet valve assembly : en
  • DE819844C - Method for measuring pressure in rectification and distillation plants : de en
  • FR993797A - Improvements to electromagnetic slip clutches : en fr
  • FR993798A - Improvements to rotary press cylinders bearing engraved sheets : en fr
  • FR993915A - Devices and types of lighting apparatus which make it possible to modify in an improved manner the spectral composition of a light by additive synthesis, and rationally ensure the distribution of the modified lighting : en fr
  • CA478247A - Cooking spoon holders : en fr
  • US2574121A - Apparatus for die rolling : en
  • US2573849A - Thyratron system of control : en
  • US2574330A - Fastening device : en
  • US2573918A - Device for dispensing medicaments : en
  • US2573857A - Metal casting apparatus : en
  • DE819834C - Extraction and loading device for longwall mining : de en
  • DE819985C - Release agent for the bakery industry : de en
  • DE820021C - Device for receiving and transmitting signal frequencies in the voice frequency band : de en
  • DE820111C - Method and shape for hardening raw concrete blocks : de en
  • DE820154C - Circuit arrangement for signaling malfunctions in electrical communication systems : de en
  • DE820323C - Tube measuring device : de en
  • AT169343B - Incense for the spread of thermally vaporizable pest control compounds : de en
  • US2573931A - Clutch plate : en
  • USD165103S - Orloff blouse : en
  • AU488551A - Apparatus for extruding plastic material by worm means : en
  • DE820266C - Production of a powdery latent hydraulic substance : de en
  • US2574387A - Folding chair : en
  • US2574406A - Automatic draft controlled brake : en
  • DK73330C - Window hasp. : da en
  • US2574132A - Shield panty : en
  • DE1630422U - CARDBOARD PACKAGING WITH AIR HOLES FOR BULBS AND OTHER HORTICULTURAL PRODUCTS FOR RETAIL SALE. : de en
  • DE819583C - Ever-ready case with projector : de en
  • FR993953A - Cable conveyor lifting device with mechanical and electrical remote controls : en fr
  • GB660295A - Improvements in wall panels : en
  • FI25419A - Elastic underlag for bed bugs resp. sittmöbler : en fi
  • FR993782A - Process for the construction with concrete of roads, squares or other surfaces exposed to heavy traffic : en fr
  • FR993624A - Improvements to TV receiver synchronization circuits : en fr
  • GB660556A - Improvements in or relating to the suspension of axle-hung electric traction motors : en
  • GB660426A - Improvements in or relating to fire extinguishing equipment : en
  • USD165062S - Portable electric hand saw : en
  • GB660603A - Improvements in or relating to magnetic amplifiers : en
  • GB660674A - Improvements relating to the pulverising of solid materials : en
  • DE819950C - Device for filling hollow bodies : de en
  • DE820235C - Lift and force generator for spot welding electrodes : de en
  • DE820041C - Fuse plug head with test lamp : de en
  • DE820369C - Process for processing wood or other fiber raw materials : de en
  • DE819960C - Adjustment device for ski jaws : de en
  • US2573917A - Sand feeder : en
  • US2574386A - Multiple filing jacket or holder for paper : en
  • US2574407A - High molecular derivatives of piperazine : en
  • DE1630348U - PHOTO CAMERA FOR ROLLED FILMS : de en
  • DE820383C - Internal shoe brake for motor vehicles : de en
  • GB660653A - Improvements in or relating to bandages for orthopaedic and allied uses : en
  • DE820068C - Process for the production of monolithic masonry between removable formwork and formwork supports for this purpose : de en
  • US2573883A - Metal coating process and oil finishing composition therefor : en
  • US2574370A - Equipment for removal of entrained solids : en
  • DE819853C - Process for the production of copper-zinc oxychlorides : de en
  • DE820149C - Track lifting winch : de en
  • DE1630524U - PANEL-SHAPED END ANCHORING OF REINFORCEMENT BARS FOR REINFORCED CONCRETE. : de en
  • DE765933C - Device for supplying the gasification air for rotary grate gas generation systems : de en
  • US2574057A - Resilient seat mount : en
  • DE819811C - Machine for labeling bottles, glasses or cans in an upright position : de en
  • DE1630483U - BUTTONS FOR WATCH CASE. : de en
  • DE819941C - Transparent illuminated by a tube lamp : de en
  • GB660318A - Improvements in or relating to adjustable clamp : en
  • US2573789A - Rear windshield : en
  • US2574263A - Injection apparatus : en
  • US2573679A - Control mechanism for door latches : en
  • US2573770A - Handbag : en
  • US2573938A - Hydraulic drive for winding machines : en
  • FR993806A - Further training in the manufacture of electric cables : en fr
  • GB660667A - Improvements in or relating to telephone systems : en
  • FR993607A - Fitting the tips of the shoes : en fr
  • FR994003A - Improvements to machines such as mechanical rakes : en fr
  • FR994035A - Improvements to washing machines : en fr
  • DE820088C - Mineral feed : de en
  • US2574400A - Electric switch : en
  • FR993603A - cigarette and match case : en fr
  • DE1630308U - MAP GUIDE MAP WITH GRADLE DISTRIBUTION OF THE FIELD OF VIEW. : de en
  • DE819665C - Toy gasoline pump pump : de en
  • DE820194C - Mirrors, especially hand mirrors, for cosmetic purposes : de en
  • DE820286C - Process for deflecting rolling stock : de en
  • FR993846A - New textile articles for thermal, electrical or sound insulation : en fr
  • US2573817A - Luminescent zinc oxide containing a small amount of zinc sulfide : en
  • CA478360A - Variable transconductance amplifying circuits : en fr
  • DE1630363U - DEVICE FOR HANGING OR FIXING CLIPS FROM WAESCHE O. DGL. : de en
  • DE820033C - Circuit arrangement for counting in telephone systems with dialer operation : de en
  • DE819734C - Process for the determination of carbon monoxide and hydrogen in gas mixtures : de en
  • DE819988C - Process for separating gas mixtures according to their molecular weights : de en
  • DE820119C - Method and device for the production of elements from reinforced, pre-compacted cement : de en
  • DE819819C - Vehicle for moving objects, in particular shipping containers provided with rollers : de en
  • FR993886A - Guide device for profiles at the inlet and outlet of rolling mills : en fr
  • GB660455A - Improvements in or relating to a combined typewriter and calculating machine : en
  • GB660563A - Improvements in fuel injection pumps particularly for internal combustion engines : en
  • GB660604A - Improvements relating to casting metals : en
  • FR993931A - Movable seal device : en fr
  • GB660371A - Improved means for guiding a textile fibre-web between a drafting-arrangement and calender-rollers : en
  • DE1630266U - LINE TESTER WITH ACOUSTIC INDICATOR. : de en
  • GB660394A - Improvements in locking devices for sliding jaw calliper gauges : en
  • FI25454A - Automatic brand alarm : en fi
  • DE819671C - Hydraulically operated and preferably hand-operated loading shovel : de en
  • FI25409A - Elektronstrålrör : en fi
  • FR993987A - Light effects known as "light solid" or "light surfaces", and their generation : en fr
  • DE820333C - Device for the continuous production of calibrated masses : de en
  • GB660460A - Thermally responsive signal actuating device : en
  • GB660584A - Improvements in or relating to escapement, counting and like mechanism comprising a rotor coupled by magnetic forces to an oscillatory or reciprocatory device for synchronous movement therewith : en
  • US2574237A - Hand-guided rotary earth-working implement : en
  • FR993642A - Flexible cover prevents birds from hitting with their bill : en fr
  • FR993748A - Process for minimizing swelling and shrinkage of end grain used in the manufacture of flooring and cover panels : en fr
  • FR993800A - Pressure lead pencil : en fr
  • GB660298A - Improvements in plate and like washing machines : en
  • GB660334A - Improvements in swings : en
  • DE819536C - Washing machine with electric motor drive : de en
  • DE820234C - Drive for flywheel screw presses : de en
  • GB660484A - Improvements in or relating to folding trays, boxes or cartons : en
  • DE1630327U - IN PARTICULAR, LALOUSIE TO BE ATTACHED ON THE INSIDE OF WINDOWS. : de en
  • DE819755C - Slide control for four-stroke engines : de en
  • DE820091C - Motor vehicle with one steered front axle and two unguided rear axles : de en
  • DE1630522U - CROSS-HOLE BRICKS. : de en
  • GB660349A - Improvements in or relating to a wind screen support for bicycles and the like vehicles : en
  • US2574447A - Catalytic desulfurization of petroleum hydrocarbons : en
  • CA478240A - Clocks : en fr
  • FR993919A - Improvements to double shut-off valves used in automatic compressed air braking systems : en fr
  • GB660408A - Improvements in or relating to cyanine dyes : en
  • US2574006A - Method of recovering hydrogen fluoride in an alkylation process : en
  • US2574130A - Antiseptic animal appliance : en
  • US2574437A - Linear delay circuit : en
  • US2573804A - Prefabricated artificial tooth retaining member : en
  • US2574119A - Optical controlling or inspecting arrangement for verifying the cross sections of pieces with complex profiles : en
  • USD165075S - Combined cream and sugar vessels and tray therefor : en
  • GB660472A - An improved process for the preparation of chlorinated derivatives of unsym. diphenylethane : en
  • DE819648C - Display device for the escape of air from vehicle tires : de en
  • DE819768C - Internal valve for opening the fuel in paper bags : de en
  • GB660451A - Improvements in or relating to buttons : en
  • US2574109A - Device for adjustably interfitting two coactive members : en
  • AT169446B - Process and devices for the production of masts, chimneys or the like made of concrete and mast, chimney or the like manufactured according to this method. : de en
  • US2574402A - Micrometer gauge : en
  • FR993719A - Improvements in the manufacture or treatment of metals : en fr
  • FR994001A - Method and device for identifying damaged devices : en fr
  • AT169351B - Process for the continuous production of soap : de en
  • FR994047A - Improvements to food products : en fr
  • US2574050A - Phonograph record envelope : en
  • DE819782C - Motor vehicle door : de en
  • FR993887A - Method of loading vertical blastholes with liquid oxygen explosives : en fr
  • FR993905A - New recording device applicable to accounting machines controlled by punched cards : en fr
  • GB660385A - New vat dyes of the benzanthronylaminoanthraquinone acridine series : en
  • FR993824A - animated advertising screen : en fr
  • DE820029C - Circuit arrangement for telephone group stations : de en
  • DE820059C - Curtain clip : de en
  • US2573735A - Wheel and axle seal : en
  • US2574151A - Vapor control : en
  • FR993835A - Carrier frequency transmission systems and more particularly systems of the frequency division multiplex class : en fr
  • US2574141A - Apparatus for cleaning perforations : en
  • US2574259A - Television intermediate frequency amplfier : en
  • US2574452A - Method of finishing furs : en
  • FR993813A - Method and apparatus for inserting a radially compressed elastic tubular rubber sleeve between a rigid outer tube and a rigid inner mandrel : en fr
  • DE820255C - Contact device for alarm systems : de en
  • DE1630476U - SLIDE GAUGE WITH PARALLEL CUSHION EQUIPMENT. : de en
  • DE1630506U - TRUCK COUPLING. : de en
  • DE820167C - Stuffing box to prevent or reduce the escape of a fluid under high pressure, especially for rubber-coated cable cores to be fed to the vulcanizing device : de en
  • US2573835A - Apparatus for coating flat disks : en
  • US2574336A - Wind resolver : en
  • US2573821A - Shuttle for wire-weaving looms : en
  • US2573832A - Rod packing : en
  • DE1630396U - CLAMPING DEVICE FOR BARREL BARS, IN PARTICULAR FOR BUTTON PROCESSING. : de en
  • DE820102C - Acoustic, electromagnetic signaling device operated with alternating current : de en
  • DE820412C - Toy kite : de en
  • FR993791A - Polymerization process of thermoplastic siloxanes : en fr
  • FR993653A - Motor-pump and its assembly : en fr
  • GB660377A - Process for the production of polymers of unsaturated ethers and compositions containing such polymers : en
  • DE819618C - Return drawing picture : de en
  • DE819825C - Process for the production of underwater concrete : de en
  • US2573674A - Sulfonyl halide manufacture : en
  • US2573720A - Scraping, loading, and carry-off earth working machine : en
  • DE1630343U - DEVICE THAT CAN BE ATTACHED TO MACHINE TOOLS FOR MACHINING HOLES. : de en
  • DE819997C - Process for the production of new partial esters of polybasic thioether carboxylic acids : de en
  • GB660270A - Improvements in or relating to telemetering apparatus : en
  • US2573975A - Tone generator : en
  • US2574161A - Apparatus for removing wood waste : en
  • FR993878A - Plastic bituminous material : en fr
  • FR994046A - Manufacturing process of special abrasives : en fr
  • DE820262C - Earth pot making machine : de en
  • FI25463A - Skälbildningsanordning vid rundvävstolar : en fi
  • FR993795A - Process for preparing resinous products from dihydropyran derivatives : en fr
  • GB660317A - Tailpipe or afterburning control for turbojet engines : en
  • DE819922C - Control device operated by means of a float : de en
  • FI25461A - Clock ticker : en fi
  • DE1630269U - EMBEDDED SPRING LATERALLY IN THE SIDE PANEL OF SHOPPING BAGS OR SIMILAR LIKE CONTAINERS. : de en
  • FR993786A - Waxing machine : en fr
  • GB660301A - Locating clamp : en
  • GB660387A - Improvements in or relating to oil bath gas filters : en
  • US2573784A - Apparatus for dispensing materials : en
  • US2573912A - Tape-dispensing machine : en
  • US2574074A - Building construction : en
  • DK73335C - Tool holder that can be attached to a ferromagnetic substrate by means of a fixed permanent magnet. : da en
  • DE819563C - Gas-filled discharge tubes : de en
  • DE819934C - Self-drainer for animals : de en
  • FR993911A - Disc clutch for motor vehicles and other applications : en fr
  • GB660473A - Improvements in and relating to electrical capacitors : en
  • FR993761A - Device for maintaining synchronization in film projection devices while moving the image : en fr
  • GB660622A - Road-paving machine : en
  • DE819799C - License plate for bicycles, motorcycles and cars : de en
  • DE1630323U - BUILT-IN DOOR IN TILED WALL. : de en
  • DE819920C - Gas meter testing system : de en
  • DE820040C - Combined light switch : de en
  • US2574327A - Traction device for automotive tires : en
  • DE820020C - Circuit for amplifying an electrical voltage or an electrical current : de en
  • DE820322C - Electric discharge tubes with a bundled stream of electrons : de en
  • FR993939A - Automatic feeder in lids or bottoms intended for the manufacture of metal cans : en fr
  • US2573856A - Urkey camier : en
  • US2573695A - Hydrohalogenation of olefins : en
  • US2573941A - Water treating apparatus and method : en
  • DE819789C - Master cylinder, especially for hydraulic brakes : de en
  • DE1630389U - LEATHER STRAP FOR WATCHES WITH A SPRING-LOADED METAL LEG. : de en
  • DE756388C - Lifting gear for hoists with a control device acting as a function of the load torque : de en
  • DE820151C - Circuit for amplifying electrical voltages or currents : de en
  • FI25433A - Fertilization conditions for electrolytic framing in the urine : en fi
  • CA478380A - Joint seals : en fr
  • US2573806A - Unidirectional restraining device for a fastening cord : en
  • AT169408B - Winter sports equipment : de en
  • AU490151A - Improvements in liquid pressure relays : en
  • CA478317A - Pulse signalling systems : en fr
  • US2573724A - Gas turbine fuel control with throttle controlled manually and by fluid pressure from an isochronous governor : en
  • US2574146A - Carrying receptacle : en
  • US2574304A - Nail holding attachment for hammers : en
  • USD165107S - orloff : en
  • DE1630577U - PLATTER FOR RECORD PLAYER AND CHANGER. : de en
  • US2574247A - Method for conducting reactions in the presence of a solid material : en
  • US2573787A - Detergent dispenser and timer valve for dishwashing machines : en
  • US2574021A - Clinker crushing furnace grate : en
  • US2574144A - Hair clip : en
  • US2574228A - Grinder support attachment for main journals and the like without removal of the shaft : en
  • US2573688A - Internal-combustion engine variable combustion chamber : en
  • US2574059A - Hydropneumatic recuperator for guns : en
  • US2573952A - Apparatus for depositing strips of adhesive upon a base material : en
  • AT169353B - Method for printing pictures, especially decals, reproductions of oil paintings or the like. : de en
  • US2573972A - Battery lead clamp : en
  • US2574324A - Manufacture of pyrazines : en
  • DE819741C - Power lifting device : de en
  • DE820246C - Self-supporting vehicle bodies, in particular for buses : de en
  • DE819710C - Exciter machine arrangement in converter-excited three-phase generators : de en
  • DE820293C - Method and device for the reinforcement of the head edge of metal vessels : de en
  • DE820171C - Circuit arrangement for the self-loading of collector batteries : de en
  • FI25426A - Elements for the maintenance of the assembly line : en fi
  • GB660346A - Apparatus for hermetically sealing metal cans : en
  • GB660406A - Improvements in or relating to ladder safety device : en
  • GB660554A - Improvements in and relating to the manufacture of electric dry batteries : en
  • US2574055A - Transmitter receiver duplexing circuit for radar apparatus : en
  • DE820397C - Component for the arrangement of tool shafts and their drives according to the modular system, especially for grinding and milling devices : de en
  • DE819977C - Extraction drum : de en
  • US2573697A - Multitube mosaic reso-jet motor : en
  • US2574221A - Method of forming a multilayered mat of intercrossed filaments : en
  • AU487751A - Improvements in or relating to telegraph transmission by reversals : en
  • US2573730A - Process of sulfating olefins : en
  • US2574164A - Smoking stand with reflector and lamp : en
  • US2573988A - Rotary fire-bowl barbecue stove : en
  • US2574275A - Loom check strap : en
  • DE1630257U - SUPPORT ROD FOR FILE BOXES ETC. : de en
  • DE820002C - Process for the separation of hydrocarbons from sulphochlorination mixtures : de en
  • DE820182C - Sunshade : de en
  • DE820387C - Headlights for motor vehicles : de en
  • FR993670A - Multipurpose mcuble : en fr
  • GR13262B - HYDRAULIC SOURCE OF CAR AND VEHICLES IN GENERAL. : el en
  • DE1630471U - INDEPENDENT DEVICE FOR ON AND OFF HEATING OF MILK HEATERS OR THE LIKE. : de en
  • DE820197C - Fixing device for wall mirror : de en
  • DE820220C - Storage container for grain or the like, especially for small farms : de en
  • DE820326C - Hand spot welding machine : de en
  • FR993821A - Improvements to liquid fuels and manufacturing processes for these fuels : en fr
  • GB660402A - An improved construction of coupling for tractor and trailer units of motor vehicles : en
  • DE805576C - Entrance hole training in bee houses : de en
  • DE819873C - Electric heating element : de en
  • DE819886C - Device for treating molten metals, in particular cast iron : de en
  • DE1630447U - DEVICE FOR INCREASING THE BRIGHTNESS AND CONTRAST OF AN IMAGE CREATED BY RAYS, IN PARTICULAR X-RAYS OR ELECTRON RAYS, ON A FLUORESCENT SCREEN. : de en
  • US2573977A - Rock plow or scarifier : en
  • US2574096A - Distributing valve : en
  • DE1630415U - TOY. : de en
  • DE1630295U - LIGHT FOR MOTOR VEHICLES, IN PARTICULAR MOTORCYCLES, WHICH LICENSE PLATE LIGHTS, REAR LIGHTS, TAIL LIGHTS AND BRAKE LIGHTS ARE COMBINED IN ONE HOUSING. : de en
  • DE1630305U - ECONOMY BURNER. : de en
  • US2574303A - Foldable case, box, or container : en
  • US2574257A - Method for manufacturing piezoelectric crystals free of conflicting modes of vibration : en
  • US2574322A - Mouse trap : en
  • AT169330B - Process for the preparation of pyromellitic anhydride : de en
  • AU3818750A - An improved circular saw : en
  • GB660342A - Improvements in and relating to anchorage means for use in concrete and like constructions : en
  • DE819691C - Process for the preparation of N-p-chlorophenyl-N-isopropyl biguanide : de en
  • DE819728C - Process for the precise identification of a surface or curve in space by means of interfering light waves : de en
  • DE820049C - Process for producing a paper size : de en
  • FR993687A - Improvements made to devices to transform a continuous rotary movement into a reciprocating rectilinear movement : en fr
  • FR993988A - Mixer : en fr
  • GB660504A - Miniature toy piano : en
  • DE767132C - Process for inserting filter plates or other plate-shaped parts into glass or quartz vessels : de en
  • DE819349C - Truck with a sideways tilting car body : de en
  • US2574354A - Snap cut pruner : en
  • DE819994C - Process for the production of light-colored and low-odor sulphonation products from Schweloelen : de en
  • DE820186C - Forming machine with a rotary table that can be swiveled in a horizontal plane : de en
  • FR993801A - Device and method for fixing the end of a workpiece to the surface of a sheet metal plate : en fr
  • GB660357A - Improvements in signal receivers : en
  • GB660494A - Improvements relating to eye shields : en
  • DE807708C - Device for drawing glass straps from a molten glass mass : de en
  • DE1630367U - SWITCH FOR ELECTRIC HEATING PAD. : de en
  • FR993697A - Fur tracer : en fr
  • AT169302B - Material testing method for the detection of surface cracks with the help of radioactive substances : de en
  • FR993678A - Installation for the use of wave energy : en fr
  • FR993852A - Improvements to shock absorbers and similar devices : en fr
  • GB660649A - Improvements in supports for cables for electric irons : en
  • DE819544C - Filter device with compressed air supply, especially for water : de en
  • DK73307C - Tool for use when filling out tip coupons. : da en
  • FR993680A - Track drive device for mechanical excavators and similar applications : en fr
  • FR993742A - Improvements to flexible hoses : en fr
  • DE820242C - Fluid pump or gearbox : de en
  • FR993770A - Device used to place wood pigeon calls at the treetops without going up : en fr
  • FR993977A - Metal heater : en fr
  • FR994009A - Multi-directional transshipment device : en fr
  • US2574363A - Coin-controlled ball release mechanism for pool tables : en
  • DE767129C - Elastic expansion shaft for centrifugal machines, especially steam turbines, exposed to internal overpressure : de en
  • GB660544A - Improvements in air inlet ducts for aero-engines : en
  • CA478394A - Track circuit apparatus : en fr
  • AT169417B - Process for the production of the fusion connection of the vent tube with the outer wall of double-walled insulating vessels made of glass : de en
  • DE820105C - Color sample book : de en
  • DE820160C - Circuit arrangement for tone frequency selection system : de en
  • US2573871A - Wearing apparel and method of construction : en
  • US2574332A - Tape-dispensing device : en
  • US2573708A - Parker house roll machine : en
  • US2574253A - Generator : en
  • USD165100S - orloff : en
  • US2574102A - Spreader device for selector devices : en
  • USD165065S - Form an etal embossed metal sheet or similar article : en
  • US2573906A - Multistage catalytic conversion of bituminous solids : en
  • FI25444A - Pneumatic feeder for lathes : en fi
  • AT169424B - Stone screw : de en
  • CA478404A - Series electronic switches : en fr
  • DE1630461U - ROTATING PLATE, IN PARTICULAR CAKE PLATE. : de en
  • DE819650C - Gripping claw for attachment to wheels, especially for motor vehicles : de en
  • DE819995C - Process for the production of organic sulfonates : de en
  • US2574210A - Method of preparing a hydrophilic cellulose gel : en
  • US2573932A - Automatic bank of elevator cars : en
  • AU157744B2 - Improvements in framework for use in concrete building construction : en
  • AU494351A - Improvements relating to substituted quinazolones : en
  • US2574209A - Rod packing for shock absorbers : en
  • FR993879A - Irons improvements : en fr
  • US2573698A - Stirrup for orthopedic braces : en
  • DE1630332U - TRIPOD HEAD. : de en
  • DE820132C - Procedure for the operation of wet dust extractors and the device for its execution : de en
  • DE1630463U - CHAIR OR ARMCHAIR SEAT. : de en
  • DE819878C - Electric heating and cooking apparatus, in particular hotplate : de en
  • AU496251A - Improvements inthe manufacture of dry rectifiers : en
  • AT169397B - Folding box : de en
  • DE1630359U - DEVICE FOR EXTENDING POLES WITH FOOTRESTS FROM THE GROUND. : de en
  • DE820027C - Circuit arrangement for telephone systems with dialer operation : de en
  • CA478297A - PROCESSES FOR PREPARING CYCLAMMONIUM QUATERNARY SALTS CONTAINING A N-SUBSTITUTED .beta.-AMINOVINYL GROUP : en fr
  • DE819556C - Dynamo lamp, especially for non-continuously acting power drives : de en
  • US2573747A - Pebble heater apparatus : en
  • DE820150C - Amplifier circuit, especially for low-frequency vibrations : de en
  • DE1630291U - HANDLEBAR WITH TURN SIGNAL DEVICE FOR BICYCLES AND MOTORCYCLES. : de en
  • DE819602C - Resilient joint and holding device : de en
  • DE819974C - Device for filling containers of the same amount : de en
  • FR993707A - Folding table and chair set in the shape of a briefcase : en fr
  • US2573686A - Temperature indicating device : en
  • DE820143C - Chiller : de en
  • US2573926A - Direction indicating light : en
  • US2574189A - Etheksi of pokychtoko : en
  • CA478400A - Microwave antennas : en fr
  • DE819624C - Photocopier : de en
  • DE819993C - Process for the preparation of blue-fluorescent benzoylamino-stilbene-disulfonate dyes : de en
  • DE1630364U - RICE BROOM. : de en
  • DE1630578U - EVALUATION DEVICE FOR SPECTRAL IMAGES, IN PARTICULAR WITH LIGHT DESK PROJECTOR. : de en
  • DE1630596U - TOY CAR TIRES. : de en
  • US2574089A - Luggage case having a removable lining : en
  • DE819704C - Contact spring arrangement for receiving connector pins, especially for multiple plug devices : de en
  • DE819724C - Collapsible workbench, especially for hobbyist purposes : de en
  • DE819889C - Method and device for introducing vitrifiable substances into glass melting furnaces : de en
  • GB660624A - Improved method of making pipe fittings : en
  • CA478367A - Zero-reset devices for numerical counters : en fr
  • AT169412B - Absorption chiller working with an inert gas : de en
  • US2573723A - Phonograph stylus of small effective tip radius : en
  • US2574373A - Electric valve control circuit : en
  • DE819919C - Recording medium for recording measuring instruments : de en
  • DE820044C - Electron tube with fluorescent screen : de en
  • DE820271C - Method and device for unloading, loading and reloading bricks : de en
  • US2574282A - Cranium suspender : en
  • DE820165C - Electrical waveguide for the transmission of short waves in the centimeter range : de en
  • DE820417C - Packaging for objects with axial cavities, especially for spools with textile threads : de en
  • FI25400A - Axle strings for anchorage and rotation of axles, axles and axles with rotary axles and axles with side axles : en fi
  • GB660491A - Improvements in or relating to containers for the aseptic treatment of surgical instruments and the like : en
  • DE820071C - Pressing device, in particular for producing artificial grain in veneers and plywood : de en
  • DE820188C - Injection molding machine : de en
  • FR993893A - Bottle closure for nail polish or the like : en fr
  • FR993701A - Process for extracting mineral constituents from molasses stillage : en fr
  • DE820022C - Electric amplitude compression device : de en
  • FR993870A - Improvements to the treads of elastic tires : en fr
  • GB660575A - Improvements in or relating to automatic control systems for aircraft : en
  • FR993654A - Improvements to powdery and crystalloid impregnation products for wood : en fr
  • GB660566A - Phonograph apparatus : en
  • US2574187A - Loading appliance : en
  • US2574239A - Screw cap with locking means : en
  • AT169439B - Construction component : de en
  • US2573778A - Grain or seed cleaner : en
  • US2574236A - Hoisting apparatus : en
  • USD165063S - Display fixture : en
  • CA478357A - Sawtooth oscillation generators : en fr
  • DE819601C - nail : de en
  • DE820337C - Waterproof rubber swim bag : de en
  • DE1630385U - HYDRAULIC JACK. : de en
  • DE820254C - Ballpoint pen for liquid and pasty inks : de en
  • AT169369B - Device for the production of strand-shaped or plate-shaped shaped pieces : de en
  • AU151677B2 - Heavy duty fibre container for liquids and semi-liquids : en
  • CA478386A - Steak treating machines : en fr
  • US2573733A - Production of anthraquinone dyestuffs : en
  • US2573992A - Wheeled rotary straw mulcher : en
  • US2574242A - Refrigerated display case : en
  • US2574445A - Catalytic desulfurization of kerosene and white spirits : en
  • CA478332A - Pulverizers having two part housings : en fr
  • CA478387A - Automatic dishwashing machines : en fr
  • AT169449B - Device for the production of steel-string concrete beams in groups : de en
  • CA478261A - Vehicle window regulator mechanism : en fr
  • DE1630425U - SHIPPING BOX FOR SMOKER FISH. : de en
  • CA478269A - Loafer socks : en fr
  • DE819750C - Device for artificial inheritance of chicks : de en
  • AT169346B - Process for the separation of hard and soft paraffin or of hard and soft petrolatum : de en
  • US2573685A - Humidostat : en
  • US2573838A - Ready-built metal outside privy : en
  • DE1630298U - DEVICE FOR PICKING UP, COUNTING AND FILLING FLAT HARD BODIES SUCH AS COINS, TABLETS AND THE LIKE. IN A CLOSED CONTAINER. : de en
  • DE820007C - Process for the manufacture of rubber mats : de en
  • DE820093C - Polishing and grinding machine : de en
  • DE820341C - Glare-free display device with pointer and scale : de en
  • FR993647A - Molding machine and molding process : en fr
  • FR993917A - Improvements to the saccharification of cellulosic materials : en fr
  • US2574155A - Substituted amino-nitroheterocycles and methods of preparing the same : en
  • CA478350A - Calculating machines : en fr
  • CA478369A - Fuse mountings : en fr
  • US2574073A - Bracket rod mounting : en
  • CA478395A - Helicopters : en fr
  • US2574049A - Pickling : en
  • DE1630252U - LADIES SCARF. : de en
  • DE819709C - Overload links fuse : de en
  • US2573863A - Compressor : en
  • US2574095A - Sealing device for heat-sealing machines of the thermal impulse type : en
  • GB660531A - Improvements in or relating to street lighting luminairs : en
  • US2574307A - Building structure : en
  • US2574395A - Torsional balance device : en
  • US2574212A - Parallel shank dual socket wrench : en
  • US2573855A - Process of and batch for making amber glass : en
  • US2574038A - Mailbox bracket : en
  • US2574103A - Gasoline driven hammer : en
  • US2573940A - Method of metal coating and oil finishing composition therefor : en
  • US2574433A - System for directional interchange of energy between wave guides and free space : en
  • FR993693A - Polyamide resin : en fr
  • FR993963A - Automatic thermomagnetic control : en fr
  • US2574154A - Machine for winding a sheath around a core : en
  • AU151535B2 - Improvements in tubulous vapour generating and superheating units : en
  • AU490051A - Improvements in or relating to regenerative heat recovery processes for carrying out chemical gaseous reactions : en
  • US2574169A - Packing tool for forming and installing impressionable comminuted or plastic packing : en
  • AT169322B - Production of magnesium amalgam : de en
  • AT169423B - Wooden beams : de en
  • CA478342A - Button type alkaline dry cells : en fr
  • AT169405B - Lighter for squibs : de en
  • CA478319A - Electron discharge devices and their circuits : en fr
  • USD165113S - Rubin dress : en
  • DE1630329U - MEN'S HATBAND. : de en
  • USD165115S - : en
  • US2574137A - Stop for reciprocating members : en
  • AT169377B - Process for dissipating heat in the continuous casting of metals : de en
  • GB660321A - Improvements in constructional toys : en
  • GB660465A - Improvements in electric lighting fittings : en
  • DE819902C - Device for storing and dispensing packages of goods : de en
  • FI25412A - Forehead wrinkle removal plate : en fi
  • US2574028A - Gas container and dispensing means : en
  • AT169421B - Kneading machine : de en
  • GB660628A - Improvements in and relating to stereo-photogrammetric apparatus : en
  • DE761479C - Stylus-shaped welding machine with a carbon electrode that can be moved towards the parts to be welded : de en
  • DE820418C - Needle pack : de en
  • DE820365C - Dynamic pickup arrangement for string instruments : de en
  • DE819658C - Articulated side fitting for a flap window : de en
  • FR993638A - Receptacle fitted with clips for holding cameras, instruments and optical accessories of all kinds : en fr
  • USD165082S - Mcl. little slicing machine : en
  • DE1630467U - SICK TABLE. : de en
  • US2573800A - Machine tool : en
  • US2573953A - Pest control using a sulfurized halogenated petroleum distillate : en
  • DK73317C - Insulation material and process for its manufacture. : da en
  • CA478407A - Suction street sweepers : en fr
  • DE1630289U - MAP HOLDER FOR BICYCLES, MOTORCYCLES OR OTHER VEHICLES. : de en
  • USD165105S - Orloff blouse : en
  • DE820005C - Process for the production of thioethers : de en
  • DE1630357U - DOLL. : de en
  • DE819962C - Toy that performs walking movements : de en
  • DE820176C - Thread monitor and thread tension control device, especially for wire spinning machines : de en
  • DE820415C - Barrel hoops : de en
  • US2573848A - Pipe transfer apparatus : en
  • US2573942A - Flexible antipicking blinder for poultry : en
  • DE820248C - Arrangement of hydraulic brakes on three-axle motor vehicles, in particular with axles with different tires : de en
  • DE1630376U - LIGHT SHAVER. : de en
  • DE819859C - Protective device against atmospheric charging and discharging of antennas whose operation should not be interrupted : de en
  • US2574306A - Clamping fixture : en
  • AU3242150A - A new propelling pencil with multi-coloured lead : en
  • DE819940C - Device for closing the valve on cross-bottom valve bags : de en
  • DE820332C - Measuring tube for medicine drops : de en
  • DE820382C - Passenger cars : de en
  • AT169336B - Ramming mass containing magnesia, in particular for the manufacture or repair of stoves for metallurgical furnaces, and methods of manufacturing the same : de en
  • CA478310A - Anodizing magnesium alloys : en fr
  • CA478391A - Railway traffic controlling apparatus : en fr
  • US2573820A - Shuttle for wire-weaving looms : en
  • US2574281A - Push or pull toggle clamp : en
  • US2574441A - Hose clamp : en
  • DE819986C - Process for the extraction and extraction of overburden in opencast mining by means of a conveyor bridge : de en
  • AT169443B - Tighter for ski bindings : de en
  • CA478238A - Aircraft with sustaining airscrews : en fr
  • CA478315A - Push pull modulation systems : en fr
  • AT169349B - Prosthetic foot : de en
  • US2573712A - Throttle valve : en
  • US2574011A - Chaff screen : en
  • USD165074S - Herrmann bed : en
  • US2573783A - Propeller pitch change motor : en
  • US2573970A - Cathode-ray tube time-base circuit : en
  • USD165088S - Mcelgin air circulator and furniture unit : en
  • US2573949A - Dissolving of polymers : en
  • US2574022A - Filling and draining attachment for tanks : en
  • US2573844A - Dust filter : en
  • US2574116A - Series distillation process : en
  • DE1630546U - ADVERTISING DEVICE CONSISTING OF GAS DISCHARGE LIGHT TUBES. : de en
  • GB660441A - Apparatus for the hanging storage of documents and the like of large dimensions : en
  • DE820106C - Sliding stick game : de en
  • GB660397A - Method of producing pure zirconium halides : en
  • US2574365A - Time base circuits : en
  • US2574145A - Coincidence indicator for electronic counters : en
  • US2574349A - Machine for grinding and smoothing rollers : en
  • DE1630437U - TAPE KNIFE CUTTING MACHINE. : de en
  • DE820094C - Multi-turn bolt latch lock with locking eyelet : de en
  • DE820260C - Device for removing grainy goods : de en
  • FR993901A - Improvements in seminal fluid collection methods for artificial insemination and devices for their application : en fr
  • CA478228A - Multi-head dry shavers : en fr
  • AU489051A - Improvements relating to floor polishers : en
  • US2574246A - Collapsible disposable container : en
  • US2574279A - Sanitary garment : en
  • CA478322A - Gas turbine-driven auxiliary power and air conditioning systems : en fr
  • AT169403B - Wooden panel for building purposes : de en
  • AT169305B - Waterproof watch : de en
  • AT169409B - Cyclone attached to a dust container : de en
  • US2573748A - Acoustic ranging system, including magnetic recording : en
  • US2574350A - Universal formed metal door frame : en
  • US2573799A - Apparatus for magnetically measuring thickness of ferrous pipe : en
  • DE1630556U - SLICING MACHINE WITH KNIFE CIRCULATING IN FIXED BEARING. : de en
  • DE820101C - Jig for pencil sharpening machines : de en
  • DE820362C - Device for upsetting the heads to the individual parts of a pocket knife or rivet pins connecting the handle with the tang of knives of all kinds : de en
  • CA478232A - Manufacture of carpets and similar pile fabrics : en fr
  • SE133505C1 - : en
  • AU496151A - Improvements in impellers for centrifugal pumps : en
  • AU153876B2 - Improvements in or relating to multiple crystal tuned heterodyne radio receivers : en
  • AT169329B - Continuous annealing furnace : de en
  • AU158120B2 - Improvements in and relating to layer type voltaic cells : en
  • DE820152C - Method and device for the determination of interconnections in telecommunication cables by testing the magnetic alternating field of the interconnected circuits : de en
  • DE1630589U - SELF-SUPPORTING VEHICLE BODY, ESPECIALLY OF BUSES. : de en
  • FR993620A - Improvements to discharge lamp circuits : en fr
  • DE820314C - Electric drive device for overhead railways Tourtellierscher design : de en
  • FR993812A - Improvements to the composition of a parasiticidal product : en fr
  • DE1630433U - TURNING COLLAR WITH POCKETS FOR INSERTING REINFORCEMENT STAFFS. : de en
  • FR993744A - Shut-off valve : en fr
  • GB660445A - Improvements in filters for air and other gases : en
  • GB660571A - Improved apparatus for treating paper-making pulp : en
  • GB660614A - Improvements in or relating to electrical measuring instruments : en
  • FI25436A - Avståndsmätare : en fi
  • DE1630280U - INCOMBUSTIBLE PLASTIC WITH METAL FOIL. : de en
  • DE820037C - Method and device for casting the bridge strips onto the current-carrying lugs of accumulator plates : de en
  • GB660646A - Improvements in and relating to mechanical clutch devices : en
  • GB660487A - Improvements in and relating to reciprocating steam engines : en
  • FR993608A - Method and apparatus for bending and tempering glass sheets : en fr
  • FR993819A - Method and apparatus for making a wire rope : en fr
  • GB660299A - Improvements in or relating to a group of centrifugal separators : en
  • GB660373A - Improvements in dispensing containers for salt and other hygroscopic commodities : en
  • AT169344B - Incense for pest control : de en
  • US2573847A - Keyboard locking mechanism for laundry listing machines : en
  • FR993826A - Improvements to adjustable console brackets, particularly for support legs intended for displays : en fr
  • GB660616A - Improvements in and relating to potters' lathes and chucks : en
  • DE1630382U - RAZOR BLADE DISPENSER MADE OF THERMOPLASTIC PLASTIC, FOR PACKAGED RAZOR BLADES. : de en
  • CA478376A - Combination starting and overload protective relays : en fr
  • AU157703B2 - Apparatus for reproduction of television pictures orthe like : en
  • DE751155C - Switching device for step transformers : de en
  • DE819547C - Setup with an oscillator that is automatically corrected in frequency : de en
  • DE1630320U - CABLE CRANE OR THE LIKE : de en
  • DK73329C - Code lock. : da en
  • DE1630264U - DEVICE FOR FASTENING CABLES, PIPES AND THE LIKE. : de en
  • DE819564C - Electron tubes : de en
  • DE820367C - Flat bag machine : de en
  • DE820372C - Protective capsule for roll films : de en
  • FR993910A - Photocell solar valve : en fr
  • US2574113A - Agricultural implement and support for the same : en
  • AT169317B - Siemens-Martin furnace : de en
  • AU488251A - Synthetic resin compositions having improved stability to light and to pipes and tubes and electric cables containing same : en
  • DE820344C - Chopping machine or cultivator with spring-mounted tines : de en
  • AT169411B - Cutting machine for tobacco u. like : de en
  • US2574338A - Milk can dispenser closure : en
  • DE1630392U - FASTENERS (SCREWS, RIVETS, NAILS) WITH ASSOCIATED WASHER. : de en
  • DE820001C - Process for the preparation of thiopyrophosphoric acid esters : de en
  • CA478324A - Processes of decarboxylating ortho- and para-hydroxy benzoic acids : en fr
  • FI25439A - Mower harvester attached to the mower : en fi
  • FR993715A - Steering device with articulated rockets for towed or towed vehicles, in particular for agricultural vehicles : en fr
  • GB660501A - Apparatus for centrifugally forming canopies and the like, for aircraft, from thermoplastic sheet material : en
  • GB660520A - Improvements in anti-skid devices for motor vehicles : en
  • FR993767A - Inductive electron accelerator : en fr
  • FR993981A - Marking devices for switching systems : en fr
  • FI25449A - Glid- och bärplanbåt : en fi
  • DE820211C - Flat roof : de en
  • US2574413A - Collapsible core : en
  • GB660388A - An improved process for the extraction of elements from fusible materials containingthe same : en
  • USD165091S - Piano case : en
  • DE819678C - Spoke wrenches : de en
  • AU3793250A - Improvements in gas fired water heaters : en
  • CA478351A - Calculating machines : en fr
  • FR993695A - Clutch refinements : en fr
  • DE1630517U - SWIVEL MOLDING MACHINE. : de en
  • FR993956A - New anion exchangers : en fr
  • DE819565C - Electrode connections for hydroelectric bathtubs : de en
  • DE820153C - Electron beam switch : de en
  • DE819607C - Valve for media under pressure : de en
  • DE819858C - Procedure for carrying out construction work on road surfaces : de en
  • GB660261A - Improvements in or relating to the screen printing of fabrics : en
  • CA478402A - Multitarget cathode ray devices : en fr
  • CA478412A - Dry seal gas holders : en fr
  • DE819808C - Drive of a cutting device on packing tables : de en
  • DK73324C - Cylinder paper machine. : da en
  • US2574184A - Sealing means for an end-loading transit mixer or agitator : en
  • US2574316A - Electrical shaving device : en
  • FI25457A - Device for blotting painted surfaces : en fi
  • GB660605A - Improvements in or relating to magnetic amplifiers : en
  • FR993690A - Process for preparing catalysts and converting hydrocarbons : en fr
  • FR993661A - Desktop machine : en fr
  • GB660251A - Electric discharge tube suitable for illuminating photographic dark rooms : en
  • IE19547L - Submersible electric motors : en
  • US2574385A - Tractor mounted pulverizer and roller combination : en
  • DE1630284U - Magnifying glass, reading glass or similar. : de en
  • FR993723A - Attachment system, in particular for attaching pipes, or the like, to a support : en fr
  • GB660368A - Improvements in or relating to the production of vitamin a : en
  • DE1630573U - RETURN HUB FOR CABLE WINCHES FOR MANURE, HAY AND GRAIN TRANSPORT. : de en
  • FI25458A - Setting up and ordering of transport operations in the field of transport : en fi
  • GB660421A - External rotor motor wood planing machine : en
  • FI25453A - Detonator safety device : en fi
  • DE815131C - Flexible connection for pipe elements : de en
  • DE1630361U - SHOULDER PILLOWS FOR WOMEN'S DRESSES, BLOUSES AND THE LIKE. : de en
  • DE819849C - Electrolytic water decomposer : de en
  • DE820017C - Amplifier : de en
  • DE820426C - Device for braking the shuttle : de en
  • FR993727A - Ejector condenser : en fr
  • FR993933A - Sheet metal cutting and chamfering machine : en fr
  • DE819595C - Attaching the stems or shafts of agricultural tillage tools to their carriers : de en
  • DE820079C - Device for measuring low pressures in high vacuum vessels working on the pump : de en
  • DE820251C - Heating and ventilation system for motor vehicle trains with air-cooled engines, especially bus trains : de en
  • GB660582A - Antibiotics : en
  • US2573986A - Ventilator for water craft : en
  • DE1630551U - CORK LIFTER. : de en
  • DE1630576U - SWITCHBOARD FOR AN INTEGRATING SYSTEM. : de en
  • DE819795C - Filler for fuel tanks : de en
  • FR993912A - Game : en fr
  • GB660308A - Improvements relating to suspension devices : en
  • DE820420C - Device for emptying tipping lorries in vehicles, bunkers, etc. like : de en
  • USD165045S - Augenstein jewelry component or similar article : en
  • US2574204A - Cam operated clutch : en
  • US2574430A - Synchronous motor clockwork : en
  • DE820072C - plywood : de en
  • GB660463A - Improvements in and relating to electromagnetic motor control devices : en
  • DE819695C - Method for purifying tetrahydrofurfuryl alcohol : de en
  • DE819718C - Gas accessory for coal stoves : de en
  • GB660525A - Improvements in rotary-valve, multi-cylinder internal combustion engines : en
  • GB660536A - Cribbage scoreboard : en
  • GB660626A - Method of and apparatus for assembling an elastic tubular rubber insert under radial compression between a rigid outer tube and an inner rigid core : en
  • DE819868C - Detachable connection for the jacket pipe of underwater motors with the end shield : de en
  • DE820097C - Pocket clip for pens, such as fountain pens, fountain pens, etc. like : de en
  • FR993960A - Bucket for lifting devices : en fr
  • FR993994A - Improvements to removable barriers : en fr
  • DE1630418U - TOYS WITH PERMANENT MAGNET ON AN ELASTIC STRING FOR PICKING IRON FIGURES FROM THE FLOOR. : de en
  • DE819764C - Chain transmission : de en
  • DK73322C - Heat exchange device for processing both drinking milk and product milk. : da en
  • DE1630420U - DEVICE FOR SEPARATING THE STACKS OF ANGULAR FOLDED AND INTERMEDIATE CIGARETTE PAPER LEAVES. : de en
  • DE763045C - Method and device for feeding electrical spot or spot weld welding machines : de en
  • DE820274C - Adjustable wrench : de en
  • FI25394A - For the production of alicyclic oximers : en fi
  • GB660680A - Improvements in apparatus for cleaning watch parts and other parts of machinery : en
  • USD165055S - Sink strainer : en
  • DE1630598U - CONVEYOR DEVICE. : de en
  • FR993928A - Connecting Rodless Motor Device : en fr
  • US2574426A - Braking system for aircraft : en
  • DE820038C - Divisible terminal strip for electrical lines : de en
  • DE820134C - Process for removing hydrogen and / or oxygen from gas mixtures and means therefor : de en
  • US2574398A - Chance game bevice : en
  • FR993737A - Metallic device for hermetic sealing of sparkling and mineral water bottles : en fr
  • FR993971A - Improvements to rack dryers : en fr
  • DE1630439U - COLLECTION FRAME. : de en
  • DE1630466U - CORNER CABINET WITH HEIGHT-ADJUSTABLE TURNING SHELVES. : de en
  • DE820110C - Mixing and conveying device : de en
  • DE820191C - Device for creating double hair waves : de en
  • FR993764A - Safety lock : en fr
  • FR993894A - Projectiles and moving objects airships using radio waves : en fr
  • USD165068S - Guild accounting machine : en
  • US2574382A - Conduit box cover : en
  • DE1630299U - NEEDLE PACKING. : de en
  • DE820069C - Hollow stone for steel stone beams : de en
  • US2574165A - Process for the manufacture of the gamma isomer of hexachlorocyclohexane : en
  • USD165060S - Doram building : en
  • DE1630404U - PASSENGER CAR WITH COMPRESSOR. : de en
  • DE819794C - Fuel tanks for motor vehicles : de en
  • DE819854C - Process for the production of alcohols, in particular methanol : de en
  • DE820278C - Container for safe storage of gear : de en
  • GB660634A - Improvements in collapsable or knock-down wardrobes and the like : en
  • AU148993B2 - Improvements relating to apparatus for ripping rabbit burrows : en
  • DE1630480U - VACUUM METER. : de en
  • US2574217A - Dentist's mirror : en
  • FR993728A - Process for the preparation of polyethers : en fr
  • GB660498A - Improvements relating to spray devices for use in cask washing and like operations : en
  • DE819953C - Control device for guiding swing door leaves : de en
  • DE820334C - Breast pump : de en
  • US2573991A - Work holding portable circular saw : en
  • US2574047A - Phosphate glass : en
  • US2573947A - Preparation of hydroperoxide compounds : en
  • DE819700C - Sand spreader : de en
  • DE751235C - Longitudinally split socket : de en
  • DE819957C - Spray gun : de en
  • DE820280C - Wind turbine : de en
  • FR993721A - Improvements to dies for upsetting or die-forging machines : en fr
  • US2574314A - Timing device : en
  • FR993630A - Improvements in apparatus for reproducing photograms : en fr
  • US2573803A - Instrument for computing arcuate lengths and lengths having arcuate components : en
  • FR993954A - Process for the preparation of new synthetic resins, resulting products and their applications : en fr
  • FR993843A - Electric razor improvements : en fr
  • DE1630457U - PACK. : de en
  • DE817632C - Device for taking up drop stitches in knitted fabrics : de en
  • DE819978C - Tiltable spoon for spoon excavators : de en
  • DE820065C - Top-mounted stove with a main burner for solid, liquid or gaseous fuels : de en
  • DE1630258U - IN PAIRS OF SLOTS ON A CARD SHEET PLUG-IN NOTEPAD AS A COLOR SIGNAL. : de en
  • DE819776C - Car with a bogie : de en
  • DE820174C - Process for the operation of electromagnetic disturbance devices in closed pressure vessels : de en
  • US2574190A - Turbine apparatus : en
  • GB660372A - Improvements in and relating to anchorage means for props, posts and the like : en
  • GB660502A - Record material for producing visible marks under pressure and method of manufacture thereof : en
  • DE820217C - Device for leveling ground surfaces, especially meadows : de en
  • DE820379C - Frame for motor vehicles manufactured according to cell construction : de en
  • GB660276A - Improvements in or relating to liquid pressure power generating units or pumps : en
  • US2573858A - Projection room wall : en
  • DE819828C - Safety ratchet wrench with the maximum torque that can be set : de en
  • FR993682A - Process for the treatment of powders containing metal and device for carrying out this process : en fr
  • FR993766A - Process for the production of filaments, yarns and the like by the wet process : en fr
  • FR993980A - Heating appliance : en fr
  • DE1630431U - BUST SHAPERS. : de en
  • DE1630293U - FULL RUBBER TIRE FOR IRON GRIPPER WHEELS. : de en
  • GB660490A - Improvements in or relating to phase-shift circuits for grid-controlled gas discharge tubes : en
  • DE819575C - Wooden mast, pole or the like standing in the ground. : de en
  • US2573777A - Television system : en
  • FR994006A - Automatically functioning device for performing engine launching operations, more especially aerodyne engines : en fr
  • DE820112C - Stamping device for the production of panels of various sizes : de en
  • FR993683A - Process for manufacturing powdered metal bodies, in particular iron powder : en fr
  • FR993755A - Lock device combined with the cycle brakes, to prevent theft or misuse of these : en fr
  • CA478289A - Hardenable copper base alloys and fabrication thereof : en fr
  • FR993648A - Bis- [2-morpholino-4-amino-1, 3, 5-triazyl- (6) -] - 4, 4'-diaminostilbene sulfonic and carboxylic acids : en fr
  • FR993871A - Flexible piston for internal combustion engines : en fr
  • GB660267A - Improvements in regulating lever systems adaptable to clocks and watches : en
  • GB660289A - Improvements in surgical dressings : en
  • GB660595A - Improvements in the regulating of spring hammers : en
  • DE819912C - Awning system for projecting parts of the building : de en
  • US2574429A - Snap action switch : en
  • DK73309C - Coupling for amplification of electrical oscillations. : da en
  • DE752525C - Speed control device for keeping the frequency constant in AC machines : de en
  • DE813578C - Electrically heated soldering iron : de en
  • DE816123C - Device for the production of bodies of all kinds according to the centrifugal casting process : de en
  • DE819880C - Electric high-speed boiler : de en
  • US2573809A - Pronged wire pin : en
  • DE819955C - Reversible ink tank for fountain pen : de en
  • DK73319C - Steering mechanism for power machines. : da en
  • FR994015A - Variable pitch helical razor : en fr
  • AU490251A - Improvements in platetype heat exchangers : en
  • CA478239A - Sustaining airscrews : en fr
  • DE820328C - Drills for dental purposes : de en
  • DK73325C - Cylinder paper machine. : da en
  • GB660443A - Improvements relating to spring suspensions of vehicles : en
  • GB660638A - Accounting machines and similar calculating machines : en
  • US2573965A - Combination kitchen sink and dishwashing cabinet : en
  • FR993650A - Removable strap for watch strap : en fr
  • GB660483A - Improvements in machines for separating water from sand and like material : en
  • GB660676A - Improvements in window structures : en
  • US2573901A - Arc welding system : en
  • FR993651A - Method and measuring devices allowing the universal regulation of all machines and devices and in particular allowing the reading of measuring devices by the blind : en fr
  • GB660458A - Improvements in mortar boards : en
  • DE819881C - Process and device for converting electrical energy into heat : de en
  • DE1630268U - COULOMB METER FOR JONOPHORESE UNITS. : de en
  • DE1630479U - MICRO READING AND PROJECTION DEVICE. : de en
  • DE1630496U - DOOR PUSH CONNECTION. : de en
  • DE1630570U - HAIR WRAPS FOR THE PERMANENT WAVING PROCESS. : de en
  • DE1630316U - DEVICE FOR LOCKING MUTUAL SLIDING, PREFERABLY SLEEVE OR TUBE-SHAPED COMPONENTS. : de en
  • DE1630507U - COOKING AND CENTERING DEVICE. : de en
  • DK73314C - Spreading means for ventilation or similar installations. : da en
  • DE820163C - Telephone charge indicator with charge surcharge display device and charge surcharge totalizer for telephones with several charge surcharge levels : de en
  • GB660335A - Improvements in and relating to storage tanks for liquid fuel and the like : en
  • GB660480A - Improved tuning mechanism for radio apparatus : en
  • DE819797C - Device for cleaning the connecting parts, in particular electric motor vehicle batteries : de en
  • US2573758A - Dry shaver : en
  • GB660280A - Improvements in or relating to laundry presses : en
  • GB660389A - Bearings : en
  • FR993942A - Method and device for measuring time constants of oscillating systems : en fr
  • GB660364A - Improvements in shedding mechanism for circular looms : en
  • CA478374A - Catalytic reactions : en fr
  • GB660333A - Method of locking tubular metal ladder rungs and a tool adapted for this purpose : en
  • US2573865A - Flotation of cobaltite : en
  • US2573687A - Sprinkler : en
  • FR993802A - Clip and cap for utensils carried in the pocket : en fr
  • FR993898A - Long base rangefinder : en fr
  • FR993740A - Improvements to tubular and threaded rivets : en fr
  • DE819612C - Chuck : de en
  • DE819786C - Hand release device for memory brakes in vehicles, in particular motor vehicles : de en
  • DE1630334U - THERMOSTAT. : de en
  • DE1630393U - GROOVE DISC BEARING WITH CAPSULE. : de en
  • DE819996C - Process for the production of compounds containing sulfur : de en
  • FR993700A - Improvements to tool holders for cutting tools : en fr
  • GB660361A - Container sealing compositions : en
  • GB660379A - Improvements connected with screw cap sealing machines for bottles, jars and the like : en
  • GB660619A - Improvements in or relating to the cleaning of boilers and other apparatus : en
  • DE1630421U - CORK MOUTH PIECE FOR CIGARS, CIGARILLOS AND DUMPS. : de en
  • DE819586C - Transportable reading device, especially suitcase-like reading device : de en
  • DE820276C - Ratchet lever : de en
  • AT169393B - Running gear brake for cable cranes : de en
  • FR993811A - Improvements to an ovicidal composition and its manufacturing process : en fr
  • FR993925A - Machine for molding concrete blocks or other agglomerated bodies : en fr
  • USD165071S - Tot airplane : en
  • FR994029A - Apparatus for vulcanizing parts of tires under repair : en fr
  • GB660507A - Improvements in or relating to frames for securing display-window panes : en
  • USD165066S - Rocking chair : en
  • FR993929A - Movable joint device for stylographs or others : en fr
  • GB660337A - Improvements in or relating to flat-iron stand : en
  • US2574264A - Color and color difference meter : en
  • FR993637A - Method and device for suppressing or reducing parasitic oscillations in electric and radio circuits : en fr
  • FR993820A - Method and device for rotating the doors : en fr
  • FR993739A - Furniture-bed : en fr
  • FR993787A - wing nut for bicycles and other applications : en fr
  • GB660630A - Improvements relating to snap action electric switches : en
  • DE820082C - Combined articulated meadow harrow with sanding surfaces : de en
  • GB660378A - Improvements in and relating to wire ties : en
  • GB660432A - Improvements in and relating to hose end fittings : en
  • DE820375C - Copy board with automatic ejection of the layer carrier : de en
  • DE1630581U - DOUBLE GLASSES. : de en
  • DE820168C - Tubular conductor, jacket or the like, especially for electrical cables and wires : de en
  • FR993975A - Process for manufacturing a binder for paints and binder obtained by this process : en fr
  • US2574181A - Target operated taping machine : en
  • DE820315C - Cable connection terminal : de en
  • DE820118C - Stone shape with cores and pressure plate : de en
  • DE1630488U - TABLE ADVERTISEMENT. : de en
  • DE1630521U - TOP RING, ESPECIALLY FOR GAS HEATED COOKERS OR THE LIKE. : de en
  • DE820349C - Shaft coupling with one or more bolt-shaped elastic connecting links : de en
  • FR993718A - Improvements to installations with gas turbines : en fr
  • FR993808A - Electric motor control system : en fr
  • GB660658A - Improved means for baling straw, hay or like materials : en
  • DE819706C - Switching device operated by means of a bimetal dome as a function of a temperature : de en
  • DE820407C - Device for opening and closing windows and doors, e.g. B. sliding doors in vehicles for toy and model trains : de en
  • FR993779A - Automatic lock applicable in particular to metal furniture : en fr
  • DE1630583U - DAILY CALENDAR AS FORCED SAVING BOX. : de en
  • GB660290A - Improvements in or relating to fluorescent lamps : en
  • GB660611A - Process for preparing suspensions of solid triglyceride and liquid oil : en
  • DE819539C - Wash cycle controller with measuring device for washing machines : de en
  • GB660404A - Improvement in producing aluminium coated metal articles : en
  • US2573933A - Stabilization of motor fuels : en
  • FR993822A - Improvements to rolling machines : en fr
  • DE1630482U - TIMETABLE DISTRIBUTOR. : de en
  • GB660586A - Improvements in or relating to machines for washing, sterilising or like treatment of bottles or like containers : en
  • DE819604C - Link chain : de en
  • FR993774A - Watertight support in the form of a tubular cup secured to the container forming a case for a dropper : en fr
  • FR993974A - Improvements to methods and devices for generating multiple frequencies : en fr
  • GB660668A - Improvements in or relating to electric transformers : en
  • US2573974A - Demountable pipe coupling : en
  • FR993955A - New polymerized synthetic resins, their preparation process and their applications : en fr
  • FR994050A - Multiplex link system : en fr
  • GB660325A - Mount for periscopic sextant : en
  • GB660656A - Improvements in or relating to very high frequency radio receivers : en
  • CA478230A - Apparatus and machines for statistical tests : en fr
  • CA478265A - Alternating current electro magnets : en fr
  • DE820256C - Electrical lighting system with discharge tubes, in particular fluorescent lamps, using the discharge tubes for signaling : de en
  • FI25413A - Sätt att framställa vattenlösningar av normalt i vatten olösliga, fysiologiskt verksamma ämnen : en fi
  • GB660374A - Improvements in or relating to the carbonisation of sub-bituminous and essentially non-coking coals : en
  • DE1630552U - ROLLER OPENER FOR MAKING JARS. : de en
  • DE819896C - Housing for permanent wave apparatus : de en
  • DE820343C - Compensograph circuit for measuring purposes, in which the tap of the compensation potentiometer is moved periodically from zero to the final value to determine the bridge equilibrium point : de en
  • US2574133A - Sanitary pad support : en
  • US2574150A - Acenaphthenyl amino alcohols : en
  • US2574435A - Burr : en
  • US2574016A - Flexible toolholder : en
  • DE820120C - Method and device for the production of stone slag : de en
  • GB660600A - Improvements in or relating to lighting and transparency holder units for reproduction cameras : en
  • DE1630286U - VALVE ARM. : de en
  • DE1630368U - ELECTRICITY-SAVING LIGHT AMPLIFIER FOR ACHIEVING A MORE INTENSIVE LIGHT FILL IN LIGHT BULBS. : de en
  • FR993684A - Device for polishing and rubbing parquet floors : en fr
  • AU147166B2 - Improvements in gas fired water heaters : en
  • US2574081A - Pipe joint : en
  • DE819590C - Device and method for closing vessels : de en
  • FR993673A - Stapling bands constituting continuous seals usable per unit : en fr
  • GB660369A - Improvements in or relating to apparatus for use in drilling holes in mine shafts or galleries : en
  • US2574176A - Safety razor : en
  • FR993783A - Improvements to fluorescence lighting tubes : en fr
  • GB660623A - Road-finishing machine : en
  • DE1630442U - ACOUSTIC TWO EARS. : de en
  • DE1630558U - PEN. : de en
  • FR993817A - New dyes of the stilbene series and process for their manufacture : en fr
  • US2574388A - Sintering apparatus : en
  • USD165057S - Muffler foe an exhaust gas system : en
  • USD165119S - Stuman handle : en
  • US2573754A - Pretzel dough extruding and rolling machine : en
  • DE1630472U - MULTI-PURPOSE POT. : de en
  • DE819548C - System for transmitting stereophonic sound images : de en
  • GB660412A - A tool for locating holes in drilled structures : en
  • GB660478A - Improvements in or relating to deflectors for the exhaust pipes of automobile vehicles : en
  • DE819918C - Spirit level with illuminated vertical and horizontal vials : de en
  • FR993847A - Contacts for pneumatic circuit breakers : en fr
  • GB660370A - Improvements in machines for manufacturing fish nets and the like : en
  • GB660590A - Improvements in or relating to the extraction of sugar from dates : en
  • DK73327C - Safety brake for ropes. : da en
  • DE1630256U - SET OF REEL CARRIERS. : de en
  • FR993732A - Door lever : en fr
  • GB660306A - High frequency electric resonator : en
  • DE819702C - Method of laying electrical cables inside pipelines : de en
  • DE819948C - Squirt bottle with nozzle and cap : de en
  • DE820408C - Coupling for shafts to transfer torque to articulated swiveling drive racks for vehicles of toy and model trains : de en
  • DK73318C - Brackets for blackboard frames for hives. : da en
  • AT169354B - Process for the production of water-soluble codensation products from urea and aldehydes : de en
  • GB660273A - Improvements in or relating to hair cutting or trimming devices : en
  • AT169374B - Continuous casting mold : de en
  • US2573957A - Process for treating nonfibrous cellulose film and resulting product : en
  • US2574162A - Roller bearing drawer guide : en
  • FR993621A - Prefabricated construction process, elements for its realization and constructions obtained : en fr
  • DE1630251U - APPARATUS FOR RADIATION AND HEATING OF THE NOSES. : de en
  • DE1630399U - PROFILE TRIPOD FOR PHOTOGRAPHIC PURPOSES. : de en
  • DE1630342U - ELECTRIC RAT AND MOUSE DESTRUCTION DEVICE. : de en
  • DE819649C - Belt hose, especially for vehicle tires : de en
  • DE819848C - Process for the recovery and regeneration of the in-organic components in the used filter material : de en
  • DE820413C - Device for throwing off paper snakes : de en
  • GB660635A - Improvements relating to taximeters : en
  • GB660670A - Improvements in differential devices for motor vehicles : en
  • US2573676A - Process for separating the isomers of hexachlorocyclohexane : en
  • US2573903A - Waterproof garment : en
  • DE1630511U - DEVICE FOR ROENTGEN EXAMINATIONS. : de en
  • DE819685C - Contact device for fluids : de en
  • DE820336C - Folding screen : de en
  • GB660287A - Improvements in and relating to transductors and circuit arrangements including transductors : en
  • FR993916A - Process for the preparation of plastics based on guanazyl derivatives : en fr
  • GB660386A - An improved centrifugal moulding machine : en
  • DE819697C - Process for the preparation of ª † - [1-Oxynaphthyl- (4)] - ª † -keto-butyric acid : de en
  • FR993896A - New materials and processes for the manufacture of pipes for great organs : en fr
  • FR993965A - component for the assembly, by assembly, of furniture of all kinds : en fr
  • DE1630386U - RETRACTABLE LOFT STAIRS : de en
  • US2573982A - Nozzle : en
  • US2573751A - Oxidation of petroleum hydrocarbons : en
  • US2573851A - Light fast azoic pigments : en
  • AT169356B - Food crusher : de en
  • DE819823C - Shaft bearing for gas centrifuges : de en
  • AT169334B - Sterilizer with water cooling device on the support edge of the lid : de en
  • AT169341B - Delay set for electric time detonators : de en
  • CA478258A - Contacting apparatus : en fr
  • US2573775A - Incandescent lamp for asymmetrical light distribution : en
  • US2574297A - Diaphragm seal for high pressures : en
  • US2573764A - Variable pitch propeller : en
  • US2573967A - Electrical precipitation method : en
  • US2574203A - Instrument casing for measuring and controlling apparatus : en
  • DE1630314U - TUBULAR RADIATOR FOR ELECTRICALLY HEATED APPLIANCES. : de en
  • DE1630322U - DOUBLE PIPE CLAMP FOR SPRAY CONCRETE PIPES. : de en
  • DE1630356U - POCKET RAZOR SET. : de en
  • AT169372B - Small mixers, in particular concrete mixers : de en
  • AU161814B2 - Process forthe production of 1 nitrophenyl-2aminopropane-1-3 diol derivatives : en
  • US2574083A - Drying apparatus : en
  • CA478253A - Fish dressing machines : en fr
  • US2574367A - Seating furniture : en
  • US2573808A - Apparatus for teaching and practicing skiing : en
  • AT169390B - Folding boat with air tubes : de en
  • DE1630510U - LIQUID HEATER FOR CARS. : de en
  • FR993838A - Lightweight folding stroller for children and other applications : en fr
  • GB660481A - Manufacture of unsaturated aliphatic aldehydes : en
  • CA478227A - Motor driven hand fish scalers : en fr
  • AU151848B2 - Improved liquid meter. l-r : en
  • US2573796A - Production of calcium sulfonate solutions : en
  • US2573802A - Poultry water fountain : en
  • AT169380B - Switching device for speed change transmissions, in particular for bicycles : de en
  • US2573837A - Automatic stirring device for cooking pans : en
  • US2573759A - Animal trap : en
  • US2574396A - Intermediates and process useful in the production of bis-dehydrodo-isynolic acid : en
  • DE819627C - Device for moving heavy trailer vehicles with the vehicle's own drive means : de en
  • DE820268C - tube : de en
  • DE820302C - Process for the production of a new collection of trimethyl acetic acid (pivalic acid) : de en
  • GB660526A - Improvements relating to drawing pens and compass ink points : en
  • GR13263B - NEW TYPE OF AUTOMATIC WATER HEATER WITH CRUDE OIL. : el en
  • DE1630531U - FILLING PIPE WITH DEVICE FOR DETECTING DEVIATING COINS. : de en
  • DE819867C - Multiple rotary switches, especially for electrical measuring instruments and communications equipment : de en
  • DE820238C - Process for comminuting solid materials : de en
  • DE1630553U - INTERCHANGEABLE CORK WITH THREADED SOCKET. : de en
  • DE819549C - Terminating resistor for a coaxial high-frequency line : de en
  • DE820184C - Standard coffin : de en
  • DE819864C - Flush-mounted junction box : de en
  • DE820299C - Process for the production of glutaric acid : de en
  • CA478338A - Methods of detecting surface discontinuities in electrically poor conductive surfaces : en fr
  • AU150445B2 - Improvements in ball-pointed writing instruments : en
  • DE763178C - Shock absorber arrangement, especially for independently suspended wheels of motor vehicles, which are sprung by means of frictionless springs : de en
  • DE819769C - Process and sheets for the production of composite arch structures : de en
  • FR993634A - Roofing or roof tile : en fr
  • FR993729A - Chain Mortising Machine : en fr
  • FR993867A - Gradually variable speed transmission device : en fr
  • US2573699A - Process for making frozen concentrated fruit juices : en
  • CA478370A - Piezo-electric crystals for generating mechanical supersonic waves in fluids and for other purposes : en fr
  • US2574030A - Tobacco stripper and grader : en
  • US2574045A - Fork lift truck : en
  • AT169313B - Furnaces for the electrolysis of molten metal compounds, in particular for the production of aluminum, and methods for operating such furnaces : de en
  • US2573773A - Expansible cloth and method of making it : en
  • GB660264A - Garment pressing machine : en
  • AU159650B2 - Acoustic well logging : en
  • AU156804B2 - Wood preservative compositions containing mineral oil and pentachlorophenol : en
  • DE1630518U - STACKABLE CUP WITH HANDLE. : de en
  • DK73321C - Device for V-belt pulleys. : da en
  • USD165123S - Glove holding attachment for handbags or the like : en
  • US2573722A - Filter for goggles and the like : en
  • US2574364A - Machine for winding strand and ribbonlike materials such as sutures and bandages : en
  • AU153642B2 - Improvements in control of winding and like mechanisms : en
  • CA478252A - Log cabin construction : en fr
  • DE819656C - Bottle filler : de en
  • DE819911C - Sectional flooring : de en
  • DE820054C - Hair curlers : de en
  • FR993688A - Method of removing harmful energy from vibrations in gears and resulting products : en fr
  • FR993902A - Process for granulating fertilizer : en fr
  • FR993945A - Process for the mechanical vaporization of a liquid and its applications : en fr
  • US2573920A - Coupling actuated magnetic switch : en
  • US2574197A - Ophthalmic lens mounting, including frame elements : en
  • DE1630352U - THROUGH HORIZONTAL DIVISION OF THE CAR BODY INTO A BABY CARRIAGE CONVERTIBLE. : de en
  • DE819884C - Device for melting metals by inductive heating : de en
  • US2573677A - Process for the production of apigment complex, including a reacted starch : en
  • US2573815A - Coating press and holiday detector : en
  • US2573948A - Pump jack : en
  • FR993641A - Pumping devices for deep wells : en fr
  • FR993883A - Improvements to electrical connection devices using elastic plugs or sockets : en fr
  • GB660486A - Bagging platform for combine harvesters : en
  • CA478283A - Powered units : en fr
  • GB660405A - Improvements in or relating to the preparation of beta-amino carboxylic acids : en
  • GB660450A - Improvements in or relating to fluid flow control devices : en
  • DE820358C - Self-locking gear drive : de en
  • FR993734A - Improvement in the saddles of vehicles, in particular of motorcycles, mopeds, velocipeds, etc. : en fr
  • GB660438A - Improvements relating to reinforced structural members : en
  • GB660594A - Filter for liquids such as gasoline and the like : en
  • DE1630464U - FURNITURE TAPE WITH SECURED INTERMEDIATE WASHER. : de en
  • FR993863A - Compression adjuster for two-stroke internal combustion engine : en fr
  • GB660533A - Improvements in or relating to machines for forming undulations on wood : en
  • US2573807A - Still : en
  • US2574377A - Quick-release valve : en
  • AU150912B2 - Improvements inthe working of aluminium and aluminium alloys by drawing through dies : en
  • CA478405A - Fastening devices for boxes, crates and the like : en fr
  • DE1630593U - WINDOW HOLDER. : de en
  • DE819568C - Toggle switch : de en
  • DE751285C - Method for the temporary anchoring of prestressed reinforcement wires for the production of prestressed concrete, in particular reinforced concrete : de en
  • DE819735C - Coolers for laboratories : de en
  • DE819781C - Swing door, mainly for vehicles : de en
  • US2573989A - Internal-combustion engine operated on the two-stroke cycle : en
  • US2574114A - Amide-glyoxal-formaldehyde reaction product and shrinkproofing cellulose textile fibers therewith : en
  • US2574369A - Solution of a polymer of vinylidene cyanide in tetramethyl urea : en
  • US2574293A - Fishing spinner : en
  • US2574344A - Jalousie : en
  • USD165099S - Orloff blouse : en
  • USD165083S - Wheel cover or similar article : en
  • US2573745A - Model yacht : en
  • GB660384A - Improvements in and relating to shuttering for concrete : en
  • GB660392A - Improvements in method and apparatus for controlling thread tension : en
  • US2574339A - Hypodermic syringe : en
  • DE819670C - Method and device for serial production of prestressed concrete parts : de en
  • DE820066C - Plaster support : de en
  • AU156484B2 - Improvements inthe manufacture of dry rectifiers : en
  • FI25395A - Refunds for the conversion of aliphatic basal substituents to naphthyloxyalkanes : en fi
  • FR994021A - Flashlight housings improvements : en fr
  • USD165102S - Orloff blouse : en
  • US2574027A - Treatment of wood waste : en
  • US2573973A - Thiocyanated derivative of tetrachlorobutane : en
  • US2574107A - Rod clamp : en
  • DE751001C - Self-igniting, air-compressing injection internal combustion engine : de en
  • US2573749A - Machine gun ammunition feed : en
  • DE819717C - Cooking area for gas stoves or cookers : de en
  • DE819952C - Latch bolt lock : de en
  • DE820032C - Testing device for rotary number switch : de en
  • DE820400C - Rack and pinion gears, especially for double-leaf sliding doors of vehicles : de en
  • US2574410A - Floor rack : en
  • FI25424A - Restrictions on the use of prefabricated structures or vehicles of the same type of construction : en fi
  • GB660573A - Improvements in or relating to the extraction of sugar and other soluble materials from dates : en
  • DE1630276U - HOLLOW BLOCK. : de en
  • US2574131A - Block material handling machine : en
  • US2574097A - Remote control for radio receivers : en
  • US2574404A - Aircraft retractable landing skid : en
  • US2573983A - Temperature fusible plug for spraying apparatus : en
  • US2573696A - Safety feed control device for oil burners : en
  • DE1630590U - DOOR AND WINDOW FITTING. : de en
  • DE819631C - Connection between the vehicle frame and the body of a motor vehicle, in particular a passenger car : de en
  • DE819937C - Adjustable V-belt pulley : de en
  • DE820289C - Straight wire reel : de en
  • DE767152C - Process for the production of centrifugally cast solid and hollow bodies : de en
  • DE819943C - Device for generating a mist from water or another liquid for fire extinguishing purposes : de en
  • DE820055C - Hinged vessels : de en
  • AT169387B - Labeling machine for bottles and similar items : de en
  • AU147502B2 - Improved key for opening tins : en
  • FR993869A - Power amplifier assembly for very short waves : en fr
  • DE1630563U - MODIFIABLE FOLDING SCHEDULE. : de en
  • DE819643C - Device for the automatic provision of a fuel supply for vehicle engines : de en
  • FI25447A - Apparat för att koklet äppelpulp eller dylikt : en fi
  • US2574037A - Buffing wheel : en
  • USD165121S - verrand : en
  • DE819762C - Fluid coupling with several working chambers : de en
  • DE1630374U - S-FOERMIGER HOOK. : de en
  • DE820306C - Process for the addition of hydrogen cyanide to acrylonitrile : de en
  • DE820192C - hair clip : de en
  • DE820304C - Process for the production of isovaleric acid : de en
  • GB660255A - Improvements in sludge pumping apparatus : en
  • DE819924C - Switching device for record player : de en
  • FR993985A - Product intended to repel mosquitoes and its manufacturing process : en fr
  • FR993876A - Knife sharpeners : en fr
  • US2574252A - Egg washer : en
  • DE1630580U - GLASSES. : de en
  • DE819842C - Process and means for preventing foam in the generation of steam : de en
  • DE819923C - Device for measuring the standing height in stores, in particular grain stores : de en
  • DE1630300U - TRANSPORT DEVICE FOR UPRIGHT OBJECTS, IN PARTICULAR BARRELS AND CRATES. : de en
  • DE819944C - Control device for automatic control of the switching device of multi-step gearboxes, especially for motor vehicles : de en
  • AU157116B2 - Improvements in or relating toan earth boring apparatus : en
  • CA478234A - Containers : en fr
  • DE820214C - Planing table adjustment for wood planing machines : de en
  • DE819732C - Process for the recording measurement of the refraction exponent of liquids : de en
  • DE820109C - Concrete mixer with rotating shaft : de en
  • FR993745A - Improvement in the preparation of pigments resistant to flocculation of phthalocyanine and its salts : en fr
  • DE819779C - Drive for four-wheel vehicles : de en
  • DE820210C - Filler for the production of formwork-free support ceilings : de en
  • DE1630414U - DOLL, SOFT TOY, ETC. WITH BUILT-IN SPEAKER OR BROADCAST. : de en
  • DE1630470U - FOLDING TRAY. : de en
  • DE819883C - Electric resistance heater : de en
  • DE820148C - Metal bottle : de en
  • GB660269A - Improvements in microwave coupling and modulation apparatus : en
  • GB660497A - Improvements in epicyclic gears with double helical teeth : en
  • DE1630489U - DECORATION PROTECTION CLIP. : de en
  • DE819615C - Device for controlling flame cutting machines after a scribe on the workpiece : de en
  • US2574035A - Automatic rafter square : en
  • DE1630462U - EGG HOLDER, ESPECIALLY FOR ONE-ARMED PEOPLE AND CHILDREN. : de en
  • DE820179C - Dressing for soaking wounds : de en
  • FR993689A - Polymerization of a monoolefin with monovinyl acetate : en fr
  • USD165084S - Airplane : en
  • US2574104A - Position and movement reproducing apparatus : en
  • DE1630562U - PAPER CUTTING KNIFE WITH CARBIDE PLATE. : de en
  • GB660313A - Improvements in and relating to slatted shutters : en
  • IE19718L - Paper or fabric tubes : en
  • US2573753A - Deep-well working head : en
  • US2573993A - Hydraulic pneumatic system for actuating pressure : en
  • US2574292A - Compact providing facial illumination : en
  • FR993628A - Liquid fuel pump : en fr
  • DE819748C - Hood : de en
  • FR993671A - Photographic exposure time table : en fr
  • US2573813A - Sequential pulse generator : en
  • US2573976A - Stator winding machine : en
  • US2574261A - Moisture detecting apparatus : en
  • DE820092C - Bicycle air pump bracket : de en
  • DE1630339U - WATERING CAN. : de en
  • AT169358B - Cloth attachment to hand brushes, brooms or scrubbers : de en
  • DE1630311U - DISTRIBUTION BOX WITH SUPPORTING RAILS ARRANGED ON MOUNTING RAILS. : de en
  • DE1630505U - PLATE FOR CARD. : de en
  • DK73302C - Method for operating a plant for heat treatment of piece goods and plants for carrying out the method. : da en
  • DK73310C - Direction finder system. : da en
  • DE1630497U - TIP FOR BALLPOINT PEN. : de en
  • DE819707C - Circuit arrangement of a test and setting device for regulators and reverse current switches in electrical vehicle lighting systems : de en
  • DE1630360U - PICKER BAR. : de en
  • DE819542C - Stapling device, especially pocket device : de en
  • DE1630448U - ADJUSTABLE ELECTRIC CAPACITOR FOR HIGH FREQUENCY PURPOSES. : de en
  • DE819910C - Device for pinching off roof tiles : de en
  • USD165109S - Dispensing brush for bottles : en
  • US2573776A - Cigarette ash stand : en
  • USD165117S - St. clair : en
  • GB660278A - Improvements in or relating to self-loading and unloading vehicles : en
  • DE819990C - Method and device for the oxidation of methane and its homologues : de en
  • US2573794A - Dishwashing machine : en
  • US2573852A - Jogger attachment for printing presses : en
  • US2574172A - Tail brace : en
  • DE819798C - Safety hose : de en
  • DE1630579U - ANALYSIS DEVICE FOR SPECTRAL RECORDINGS. : de en
  • GB660570A - Improved method of mechanically processing wood-pulp for paper-making : en
  • DE1630516U - ATOMIZING VESSEL FOR THERAPEUTICALLY EFFECTIVE POWDER. : de en
  • DE1630542U - FORM. : de en
  • DE820077C - Vulcanizing mold for rubber heels or the like and method for producing the vulcanizing mold : de en
  • GB660437A - Improvements in or relating to air preheater systems : en
  • US2574394A - Apparatus for transferring loads from pallets to industrial trucks : en
  • SE133573C1 - : en
  • US2573946A - Three-dimensional mathematical demonstrator : en
  • USD165096S - Muller-munk refrigerator : en
  • US2574205A - Fixture hanger : en
  • US2574213A - Machine for forming the upper segment of in-place concrete pipe : en
  • DE819581C - Stereo viewer : de en
  • DE820043C - Method of manufacturing selenium rectifier plates : de en
  • FR993918A - Drive wheel for cycles : en fr
  • US2573798A - Interlocking door hinge : en
  • US2573995A - Storage tank construction : en
  • US2574031A - Illumination system : en
  • US2573703A - Bore sighting device : en
  • US2574019A - Lighting fixture for elongated tubular lamps : en
  • USD165049S - Budlong radio cabinet : en
  • DE819812C - barrel : de en
  • DE819947C - Swinging or rotating sliding doors, especially for vehicles : de en
  • FR993633A - fuel saver adaptable to internal combustion engine carburettors : en fr
  • FR993771A - Bicycle crank extension : en fr
  • FR993924A - Improvements to course markers, position indicators or any other devices breaking down and integrating speeds : en fr
  • GB660513A - Improved apparatus and method for treating yarns with liquids : en
  • GB660569A - Improvements in and relating to driving means for electrically propelled vehicles : en
  • GB660650A - Improvements relating to spherical-grinding machines : en
  • FR993993A - Solvent and its various applications : en fr
  • US2574062A - Seal construction : en
  • US2573834A - Duct intake or entry for gaseous fluid flow diffuser system : en
  • US2574267A - Differential tire : en
  • US2574434A - Method for refining petroleum hydrocarbons : en
  • US2573791A - Heat applying bandage : en
  • US2574345A - Jacketing, particularly for packets of disposable tissues : en
  • DE1630309U - GLEISTRAEGER. : de en
  • DE1630330U - HEADGEAR. : de en
  • DE1630333U - HEAT METER ACCORDING TO THE EVAPORATION PRINCIPLE, ESPECIALLY FOR HOT WATER SUPPLY SYSTEMS. : de en
  • DE819599C - Device for gasifying or vaporizing, especially pest control agents : de en
  • DE819991C - Process for the oxidative splitting of symmetrical or asymmetrical butynediols-1,4 : de en
  • DE824220B - I Fastening of an electrical conductor in a groove running diametrically on the head of a socket insulator : de en
  • USD165090S - Piano case : en
  • GB660492A - Improvements in centrifugal particle separators : en
  • GB660580A - Improvements in and relating to anisotropic permanent magnets : en
  • DE1630541U - ROUND DIES DIN 223 AND RE-THREADING NUTS DIN 382 WITH GROOVED THREAD BARS. : de en
  • FR993613A - Improvement in ventilation grilles and manufacturing process : en fr
  • FR993862A - Two-stroke engine : en fr
  • GB660665A - Improvements in or relating to the pointing of walls : en
  • USD165098S - Pneumatic tire : en
  • DE762304C - Contact brush consisting of individual layers : de en
  • DE819696C - Process for the production of nuclear-substituted phenylacetic acids : de en
  • DE819872C - Process for the production of heating coils, which by stringing individual hollow bodies made of insulating material, z. B. pearls, are isolated : de en
  • DE820410C - Arrangement of the explanatory texts in a composition game provided with picture templates : de en
  • AU3805950A - Improved packing or oil control ring for pistons, sleeve valves andthe like : en
  • FR993743A - Improvements to hyperbolic roller dressers : en fr
  • FR994038A - New process to avoid deposits that form in bottles of wine intended for aging : en fr
  • DE1630587U - SWIVEL HEAD FOR PHOTO OR CINEMA TRIPOD. : de en
  • GB660509A - Improvements in collapsible trailer caravans : en
  • GB660657A - Improvements in sealing devices for mechanisms under fluid pressure : en
  • GB660430A - Improvements in or relating to reduction gear mechanism : en
  • FR993903A - Improvements made to the means for building hollow bodies, in particular reservoirs : en fr
  • FR993978A - Improvements to spindles for milling machines : en fr
  • DE819756C - Hot gas piston engine with a device for supplying a gaseous medium under pressure : de en
  • DE819909C - Ladder for carrying out work on eaves, gutters or the like. : de en
  • DE765119C - Process for the manufacture of refractory bricks from raw materials rich in silica : de en
  • DE820133C - Desiccant : de en
  • FR993713A - Torsion bar spring : en fr
  • DE1630315U - PILOT HOLDER. : de en
  • CA478401A - Electron camera tubes : en fr
  • FR993907A - Regulator for rotating shafts : en fr
  • GB660660A - Improvements in or relating to electron discharge apparatus : en
  • DE748034C - Use of iron pipes as pipes for drinking water : de en
  • DE757293C - Process for the production of plastic masses from coal tar products and polyvinyl compounds : de en
  • DE820067C - Method for erecting walls or the like and components for use in this method : de en
  • FR993899A - Rotary explosion engine : en fr
  • GB660415A - Improvements in electric fuse igniters : en
  • DE819721C - Device for protection against air as a seal and against impact as a buffer : de en
  • DE819738C - Production control board : de en
  • DE820085C - filter : de en
  • FI25398A - The refining conditions and the application of the color of the mineral particles : en fi
  • GB660606A - Improvements relating to resilient wheels : en
  • AT169414B - Component : de en
  • US2573902A - Solvent concentration of vitamins : en
  • US2574226A - Constant velocity universal joint : en
  • AT169328B - Process for dyeing with o, o'-dioxymonoazo dyes and dye preparations for carrying out the same : de en
  • AT169324B - Process for coloring with metal compounds of dyestuffs which are poorly soluble in water : de en
  • AT169437B - Element made of fired material for the production of reinforced double beams for ceilings : de en
  • US2573999A - Ionization chamber : en
  • US2573675A - Process for the sulfonation of alkyl aromatic hydrocarbons : en
  • US2574185A - Garment hanger : en
  • US2574415A - Door lock : en
  • DE1630594U - WORK SHOES WITH STEEL TOECAP AND WOODEN SOLE. : de en
  • AT169427B - Locking device on staplers, especially on pipe staplers : de en
  • CA478328A - Electron discharge devices : en fr
  • US2574124A - Weather strip : en
  • CA478397A - Die casting apparatus : en fr
  • DE819862C - Device for spinning wires, in particular with tape-like or film-like insulation : de en
  • DE820187C - Process and device for the treatment of grainy material : de en
  • US2574379A - Rolling row crop cultivator : en
  • AT169428B - Support for formwork : de en
  • DE806981C - Expandable braided cuff for connecting a human limb with an artificial limb : de en
  • DE819747C - Machine for the production of plant growing pots : de en
  • DE820399C - Mortise lock : de en
  • US2573801A - Tuning control : en
  • US2574032A - Stoker control : en
  • CA478313A - Sealing mechanism : en fr
  • US2573939A - Automatic locking means for rotary driven members : en
  • US2574215A - Automatic photoprinting and developing apparatus : en
  • FR993842A - Remote control and remote signaling device : en fr
  • FR994036A - Process for obtaining an agglomerating product and its implementation : en fr
  • GB660558A - Improvements in or relating to aircraft wings : en
  • AU160878B2 - Telephone station ringing equipment : en
  • FR994007A - Method and device for assembling sheets, cards, labels, covers or the like for the purpose of making up files : en fr
  • FR993825A - Improvements made to the method of injecting serum or plasmasanguin by automatic temperature regulation : en fr
  • CA478396A - Preparation of vinyldiacetonalkamine : en fr
  • FR993832A - Road roller towed on tires : en fr
  • FR993833A - Self-propelled roller on tires : en fr
  • FR993908A - Improvement in aerodynes with mobile wings in circular translation : en fr
  • GB660365A - Improvements in waterproof watchcases : en
  • FR993698A - Automatic and rational mixer device for watering and irrigation : en fr
  • GB660456A - Improvements in or relating to ventilators of the louvre type : en
  • GB660512A - Improvements in insecticides : en
  • DE819664C - Soccer player figure : de en
  • GB660353A - Improvements in dyes and in photographic materials containing the same : en
  • GB660477A - Butadiene hydrocarbon elastomers having improved light stability : en
  • AT169440B - Sail areas for skiers : de en
  • DE1630336U - LAYER SUBSTRATE LOOSER WITH BUILT-IN PIPING AND TWO-SIDED OPEN THESE FOR EACH LAYER. : de en
  • US2574227A - Shank grip slidable jaw wrench : en
  • USD165110S - Rachins bottle : en
  • DE820340C - Debarking machine for logs and other logs : de en
  • FR993854A - Paint gun : en fr
  • US2573896A - Treatment of glyceride oils : en
  • DE820277C - Handle attachment for axes : de en
  • AT169398B - Elastic closure for the airtight closure of cylindrical containers made of cardboard or a similar material : de en
  • FR993735A - Three-axis motor bogie for a railway vehicle : en fr
  • US2574266A - Flexible valve : en
  • FR993957A - Fairground attraction at plateau louvoyant : en fr
  • GB660425A - Improvements relating to detachable lids of containers : en
  • IE20124L - Plant-growth regulating : en
  • US2574412A - Dust collector : en
  • US2574152A - Adhesive tape package : en
  • DE820404C - Contact device with bimetal spring, preferably flasher unit : de en
  • DE1630571U - PLASTIC HAIR DRESS. : de en
  • FR993753A - Cathode ray tube for the storage of electro-static charges : en fr
  • FR993760A - Packaging : en fr
  • GB660284A - Improvements in or relating to printing inks : en
  • FR993778A - Caliber for timepiece : en fr
  • IE19953L - Sugar manufacture : en
  • DE819837C - Brewing process : de en
  • DE819890C - Method and device for the production of contact shells : de en
  • FR993860A - Protective device against insufficient earthing : en fr
  • GB660482A - Improvements in or relating to a clasping device for trouser belts or the like : en
  • DE1630395U - PRESSURE MEDIUM CONTROL DEVICE. : de en
  • US2574372A - Power take-off device : en
  • DE820313C - Printing machine with clamping devices for printing sheets with mounting holes : de en
  • DE820423C - Automatic emptying device for barrels : de en
  • FR993784A - Wig for doll and doll with this wig : en fr
  • DE820376C - Combined apparatus for exposing and developing blueprints : de en
  • CA478294A - Couplings for vehicles : en fr
  • CA478385A - Steak machines : en fr
  • US2573707A - Methods of processing sulfur-vulcanizable elastomer compounds : en
  • US2574123A - Projection photogrammetric plotting apparatus : en
  • DE1630301U - PUSH LEVER KNEADING MACHINE FOR BAKERY AND THE LIKE. COMPANIES. : de en
  • DE819796C - Enclosed hood lock, especially for motor vehicles : de en
  • DE820396C - Device for centerless grinding and polishing of ring-shaped workpieces : de en
  • FR993724A - Improvements in the manufacture of abrasive polishers : en fr
  • FR993829A - Improvements in insecticides : en fr
  • FR993874A - Process for the preparation of aminoplasts based on hydrazine derivatives : en fr
  • GB660311A - Improvements in and relating to carburetters for internal-combustion engines : en
  • GB660382A - Crystal diodes having a point contact device : en
  • GB660599A - Improvements in the regulating of spring hammers : en
  • FR993692A - Improvements to rectilinear knitters : en fr
  • GB660363A - Heat-sealable packaging : en
  • DE819725C - Method and device for the production of seamless hoses from solutions or melts of high-polymer plastics : de en
  • GB660610A - Permanently pumpable oleaginous suspensions and method for making the same : en
  • AU491751A - Shoemaking apparatus : en
  • FR993694A - Rivet improvements and riveting process : en fr
  • DE1630545U - BUESTE FOR DECORATION PURPOSES. : de en
  • DE819659C - Method and device for unwinding the residual slubs unwound from roving bobbins : de en
  • DE820283C - Process for the production of zippers : de en
  • FR993736A - Prefabricated floor providing insulation and transverse connection by a combination of perforated reinforced concrete beams and lightweight concrete slabs : en fr
  • DE819679C - Wrench with one fixed and one rotatable jaw : de en
  • DE820199C - Device for hanging, in particular hall wardrobes o. : de en
  • DE820228C - Swivel joint : de en
  • FR993948A - Progressive clutch with synchronization device : en fr
  • DE1630307U - LID CLOSURE FOR WASHING POTS. : de en
  • DE819969C - Machine for cutting tobacco and similar goods : de en
  • US2574153A - Combination baking and broiling gas burner : en
  • US2573823A - Altimeter actuated by cosmic rays : en
  • US2573981A - Fishing line trip sinker : en
  • US2574018A - Luggage rack for automobiles : en
  • US2574341A - Boiler feed trap : en
  • DE820386C - Anti-glare shield for vehicles, in particular for motor vehicles : de en
  • GB660672A - Pulse code modulation system : en
  • AT169436B - Combination lock : de en
  • AU495751A - Improvements in tubulous vapour generating and superheating units : en
  • US2574053A - Gas filtering device : en
  • US2574080A - Valve : en
  • GB660440A - Improvements in or relating to carbide-and like tipped tools : en
  • US2574384A - Carton with automatic cover locking means : en
  • DE820018C - Device for amplifying an electrical signal : de en
  • GR13266B - OLD TIRING MACHINE. : el en
  • CA478365A - Impulse control devices : en fr
  • CA478413A - Transports : en fr
  • AT169400B - Saddles for motorcycles and similar vehicles : de en
  • DE1630384U - LIFTING LIFTS, IN PARTICULAR FOR LIFTING MOTOR VEHICLES. : de en
  • DE819546C - Line block system for following car operation on a single-track line : de en
  • GB660449A - Process for manufacturing films from an aqueous dispersion of rubber hydrochloride or chlorinated rubber hydrochloride : en
  • DE819926C - Normal font reader for the blind : de en
  • DE820215C - Optical device, in particular stereophotogrammetric evaluation device : de en
  • FR993840A - Rebated cup tile : en fr
  • GB660661A - Improvements relating to the manufacture of moulding compositions : en
  • GB660360A - Improvements in and relating to variable delivery reciprocating pumps : en
  • GB660469A - Improvements in or relating to heat exchange apparatus : en
  • FR993885A - Execution process of prestressed elements : en fr
  • GB660601A - Improvements in or relating to holders for photographic negatives : en
  • DE1630564U - BOX FOR STORING THE LINES FOR PRINTING PLANTS. : de en
  • FR993983A - Process for destroying soil insects and insecticide products for the application of this process : en fr
  • GB660518A - Improvements relating to pressure-sealed conveyors for powdered material : en
  • DE1630362U - GAS SHUT-OFF VALVE WITH SMALL ADJUSTMENT DEVICE. : de en
  • DE819959C - Closure for sports balls made of leather with a special internal pressure bladder : de en
  • DE820390C - Safety exhaust heating, especially for motor vehicles : de en
  • DE824402C - Electrically operated device for sorting and stacking sheet metal or the like stacks by yourself : de en
  • US2573701A - Polyethylene glycol esters of acyloxycarboxylic acids : en
  • US2574269A - Cutting machine : en
  • FI25429A - Paper wood peeling machine : en fi
  • FR993966A - New synthetic resins, their preparation processes and their applications as ion exchangers : en fr
  • GB660572A - Phonograph apparatus : en
  • DE819804C - Swimming flippers to be attached to the foot : de en
  • DE820240C - Scale teaching : de en
  • US2573881A - Method and apparatus for developing electrostatic images with electroscopic powder : en
  • US2574125A - Basket weave bracelet chain : en
  • CA478372A - Methods of supersonic inspection : en fr
  • US2573990A - Recovery of medicinal creosote : en
  • USD165079S - Spectacle frame or the like : en
  • CA478330A - Short wave amplifiers : en fr
  • DE1630292U - FASTENING THE EXTERIOR COVERING FABRIC OF A SUNROOF OF A VEHICLE. : de en
  • DE1630379U - CLIP. : de en
  • DE820139C - Process for the preparation of ammonium compounds from sulfonated sulfur-containing petroleum : de en
  • FI25414A - Preparation of a sterile solution of 2-sulfanilamido-5-alkyl-1,3,4-thiodiazoler : en fi
  • FR993992A - Aircraft tire inflation and deflation device during flight : en fr
  • DE820028C - Circuit arrangement for dialers with free choice : de en
  • DE820419C - Packaging for bodies of any shape : de en
  • FR993754A - Device for cutting thread or string, in particular combined with a thimble : en fr
  • GB660359A - Improved heat seaming apparatus : en
  • GB660645A - Improvements in or relating to devices for phase modulation of electric oscillations : en
  • DE819760C - Rolling bearings consisting of several runways : de en
  • DE820424C - Removable barrel : de en
  • US2573950A - Indicator for recording instrument : en
  • US2574300A - Veneer gauge : en
  • DE1630288U - BALL CHAIN LOCK, IN PARTICULAR FOR THE OPERATING CHAIN OF MOTOR VEHICLE RADIATOR BLINDERS. : de en
  • DE1630407U - GRINDING AND POLISHING DEVICE. : de en
  • DE1630493U - SAFETY BUFFER FOR PASSENGER. : de en
  • DE819787C - Safety device to prevent vehicles from rolling backwards, especially wheelbarrows : de en
  • US2574071A - Record-changing device for talking machines : en
  • US2574361A - Electrical accelerometer circuit : en
  • US2573792A - Fuel injection pump : en
  • FI25443A - Driving order for the artisanal machine operator : en fi
  • FR993706A - Improvements to wrenches : en fr
  • DE819605C - piston : de en
  • DE819742C - Device for changing the track width on single-axle tractors : de en
  • DE751025C - Putty-free connection of a support or bushing insulator with its metallic fastening ring : de en
  • DE819875C - Electrical resistance heating device for heating vessels, especially heating elements for vacuum ovens : de en
  • DE819983C - Garden cart with column frame : de en
  • USD165126S - Wiggins, jr cabin cruiser : en
  • DE819831C - Dimming device, especially for headlights : de en
  • US2573729A - System of photoelectric exposure control : en
  • US2574222A - Face guard restraining device : en
  • US2574376A - Antenna scanner : en
  • CA478318A - Two-channel oscillators : en fr
  • CA478329A - Receivers for pulse waves : en fr
  • US2573743A - Method of manufacturing colloidal inorganic oxide aquasols : en
  • US2573839A - Single trigger mechanism for double-barrel guns : en
  • US2573985A - Shower bath curtain support : en
  • AT169309B - Preregistration clock : de en
  • DE820196C - Any kind of clay frame : de en
  • DK73315C - Ventilation valve. : da en
  • AU493451A - Improvements in and relating to layer type voltaic cells : en
  • US2573913A - Paper clamp : en
  • CA478392A - Railway traffic controlling apparatus : en fr
  • US2574043A - Insulated extension clip-on test prod : en
  • AU489751A - Improved container supporting and carrying means : en
  • US2574234A - Method for the preparation of 1-acetoxy-1, 1-dicyano ethane : en
  • AU487151A - Method of purifying organic compounds : en
  • US2573732A - 1-amino-2, 3-dicyano-4-oxyalkyl-amino anthraquinones and method of preparing the same : en
  • US2574026A - Screw holding screw driver : en
  • US2574040A - Condensation products of ureides and formaldehyde : en
  • DE819814C - Double-walled transport vessel for liquids : de en
  • DE820084C - Mobile stowing device for eating plant pests : de en
  • FR993725A - Improvements to accumulator battery terminals : en fr
  • CA478389A - Signaling systems for railways : en fr
  • AT169442B - Flooring element : de en
  • CA478325A - Rotary checks for picker stick linkages : en fr
  • DE1630255U - FILM PRINTING STENCIL FRAME WITH IMPACT PROTECTION. : de en
  • DE819733C - Washer fluid for flue gas detector : de en
  • CA478316A - Communication systems : en fr
  • DE819662C - Stretching and rod bearing head for stretching rod and bracing : de en
  • FI25418A - Device for die-casting objects made of plastics, nutrients and non-ferrous metals : en fi
  • FR993632A - Method of reducing the deteriorating action of light on nylon textile materials : en fr
  • FR993666A - Lubrication system of the valve actuator for internal combustion engines with star cylinders : en fr
  • FR994016A - Agglomerated composition and resulting new industrial products : en fr
  • US2574348A - Damping means for railway trucks : en
  • FR993926A - Continuous molding process, in particular for the construction of concrete walls and its means of implementation, known as rolling forms : en fr
  • DE1630270U - LEATHER BAG. : de en
  • DE1630528U - TOOTH RAILS FOR SHUTTERS, DOORS AND GATES. : de en
  • DE819713C - Process for generating fuel, in particular synthesis gases, from coke and coals, in particular coals younger than hard coals, such as brown coals or brown coal briquettes : de en
  • AU157958B2 - Improvements in or relating to pressure or curing bags for tyre vulcanising apparatus : en
  • US2574443A - Variable-speed torque converter : en
  • FR993923A - High power, wide bandwidth speed modulating tube : en fr
  • GB660489A - Improvements in toys and puzzles : en
  • GB660625A - A method of and apparatus for assembling an elastic tubular rubber insert under radial compression between an outer rigid tube and an inner rigid core : en
  • US2574231A - Apparatus having rotatable means for feeding aeratable powdered material from storageand dispensing such material : en
  • AU607651A - Hydraulically controlled power transmission mechanism : en
  • CA478347A - Can crushing mechanism for combined display racks, oil savers, and waste can receptacles : en fr
  • DE1630387U - LOCKING DEVICE AGAINST DRAFT. : de en
  • DE1630490U - TEST DEVICE FOR RESPIRATORY PROTECTION DEVICES. : de en
  • DE1630279U - HANDBAND SAW. : de en
  • DE819657C - Bunghole reinforcement for metal barrels : de en
  • DE820208C - Wall construction made of lightweight panels : de en
  • CA478236A - Labelling machines for cylindrical bottles and like articles : en fr
  • US2573960A - Drilling fluid concentrates : en
  • US2574061A - Back pressure safety valve : en
  • DE819975C - Automatic hydraulic belt tensioning device on a conveyor belt annealing furnace : de en
  • DE750627C - Process for the production of hollow bodies such as pipes and hollow stones from mixtures of bitumen and filling agents : de en
  • CA478340A - Potential producing cells : en fr
  • AT169338B - Covered welding rod for electric arc welding : de en
  • US2574158A - Puzzle game : en
  • CA478286A - Methods and devices for sorting radioactive rocks and ores : en fr
  • DE755095C - Designation sleeve with a continuous longitudinal slot for insulated electrical lines : de en
  • DE820121C - Shaft furnace for burning lumpy debris, especially bituminous slate : de en
  • FR993756A - Viscose spinning method and device : en fr
  • US2573866A - Leg brace : en
  • US2574308A - Multiple pole switch for tariff clocks : en
  • DE751220C - Device for monitoring work that has been carried out at varying levels over time : de en
  • DE824391B - Process for the production of cation-exchanging synthetic resins : de en
  • FR993691A - Method and material for coating articles, eg footwear, with a temporary protective layer : en fr
  • GB660564A - Improvements in fuel injection pumps particularly for internal combustion engines : en
  • AU495451A - Acoustic well logging : en
  • US2573725A - Tunnel freezing apparatus and method : en
  • CA478341A - Potential producing cells : en fr
  • AU158010B2 - Beadlike agglomerates'of rubber compounding agents : en
  • US2574066A - Shears for producing zigzag cuts : en
  • US2574075A - Baseboard for electrical outlets : en
  • DE819559C - Circuit for fluorescent lamps : de en
  • DE819683C - Multi-part closure for pressure vessels : de en
  • GB660312A - Improvements in pick-up devices for separating the top sheet from a pile : en
  • DE1630475U - CONTAINER FOR INSTALLATION IN COFFEE BREWING MACHINES. : de en
  • DE819992C - Process for the preparation of amides and thioamides : de en
  • CA478339A - Apparatus for detecting surface discontinuities : en fr
  • US2574283A - Predetermined electronic counter : en
  • US2573879A - Delivery box signal : en
  • US2573927A - Portable milking machine : en
  • US2574220A - Apparatus for frothing rubberlike material : en
  • US2573934A - Seymour : en
  • US2573959A - Drilling fluids : en
  • US2574286A - Ladder brace : en
  • DE1630412U - MATCHING GAME, PARTICULARLY MADE OF PLASTIC. : de en
  • DK73301C - Tool for producing an elongated reinforcing bead along the dome of a metal can. : da en
  • US2573862A - Pesticidal composition comprising a zinc salt of petroleum sulphonic acids : en
  • CA478384A - Meat tenderizing machines : en fr
  • US2573744A - Regulated current supply apparatus : en
  • US2574235A - Method for the preparation of 1-acetoxy-1, 1-dicyano ethane : en
  • USD165094S - Piano case : en
  • AT169363B - Tool grinding machine : de en
  • GB660356A - Improvements in or relating to coating compositions for use in the production of mineral-coated paper : en
  • DE820177C - Device for displaying the birth of mares : de en
  • US2573921A - Scraper blade : en
  • DE819692C - Process for the preparation of 4-amino-2,6-dialkyl- or -diaralkylpyrimidines : de en
  • FR994019A - Coaxial propellers with independent pitch control : en fr
  • US2574072A - Camera-projector lens supporting attachment : en
  • DE820045C - Device for therapy by means of electrically generated heat jets : de en
  • FR993685A - Motor vehicle gear change control mechanism by a lever placed below the steering wheel : en fr
  • FR993699A - Steam boiler with pulverized or dust coal heating device : en fr
  • FR994002A - Improvements to agricultural machinery, particularly such as tedder rakes : en fr
  • DE819635C - Device for tilting board locking on dump trucks and trucks : de en
  • FI25396A - A 4-aminophenolcarboxylic acid is added : en fi
  • FR993609A - System for controlling the temperature of a heating installation : en fr
  • DE819562C - Spark gap arrangement with low inertia : de en
  • US2573853A - Settling tank for crude oil : en
  • US2574305A - Activating process for plating : en
  • GB660447A - Improvements in the production of copper complex compounds of o.o-dihydroxyazo dyestuffs : en
  • GB660345A - Improvements in free spool fishing reels : en
  • FI25448A - The value is set up or below : en fi
  • GB660557A - Improvements in aircraft : en
  • DE1630429U - QUAIL STRIKE FOR CUCKEY CLOCKS WITH ONLY TWO RUNS. : de en
  • FR993777A - High frequency antenna system : en fr
  • FR993809A - Improvements to parasiticidal compositions : en fr
  • DE820308C - Process for the oxidation of alkyl-substituted aromatic compounds. Aromatic compounds : de en
  • CA478298A - Light valves : en fr
  • US2573750A - Crystallized fruit spread and process for making same : en
  • US2573923A - Ear protector : en
  • DE820061C - Rectangular transformation table with extension leaves : de en
  • DE820063C - Device for cooking and frying fish : de en
  • DE824210C - Process for the production of pure amino acids : de en
  • FR993665A - Improvements to knitting machines and other textile machines : en fr
  • FR993892A - Improvement in the use of aliphatic amines for flotation : en fr
  • FR993814A - A method and apparatus for inserting an elastic tubular rubber sleeve under radial compression between a rigid outer tube and a rigid inner mandrel : en fr
  • FR994040A - Improvements in methods and devices for determining or checking the characteristics of symmetrical assemblies, such as polyphase electrical systems : en fr
  • FR993888A - Landing strut for airplanes : en fr
  • AU485251A - Improvements inthe working of aluminium and aluminium alloys by drawing through dies : en
  • DE816864C - Coupling arrangement for electrical cables : de en
  • US2573966A - Method of dry cleaning : en
  • DE819803C - Circuit arrangement for the simultaneous setting of switching mechanisms via connecting lines in telecommunications systems : de en
  • DE819917C - Geodetic device : de en
  • FR993845A - New textile articles for filtration : en fr
  • GB660553A - Improvements in and relating to the manufacture of electric dry batteries : en
  • US2574359A - Viscosity tester : en
  • DE1630366U - CONTACT WIRE SUPPORT POINT WITH PENDULUM SUSPENSION. : de en
  • DE819846C - Process for solidifying liquid or soft substances : de en
  • DE820422C - Transport device for upright objects, especially barrels and boxes : de en
  • GB660419A - Improvements in or relating to speech-communicating means : en
  • US2573710A - Electrical connector : en
  • US2573916A - Game top : en
  • USD165051S - Portable illuminable direction sign : en
  • CA478270A - Shingle finishing machines : en fr
  • US2574157A - Self-centering holder for container filling machines : en
  • AT169367B - Cleaning bodies and process for their manufacture : de en
  • AU492151A - Improvements inthe working of aluminium and aluminium alloys by drawing through dies : en
  • DE819633C - Suspension of motor vehicles independently by means of two connecting rods, in particular the steering wheels : de en
  • US2573741A - Derivatives of parahydroxy-penicilling : en
  • US2574260A - Die head for cutting threads : en
  • GB660367A - Magnetron for ultra-short electro-magnetic oscillations : en
  • GB660424A - Improvements in or relating to apparatus for indicating the relation between a pre-selected course and the actual course of a mobile vehicle : en
  • DE819887C - Process for the production of Kuepen dyes : de en
  • FR993720A - Improvements to casters for armchairs or the like : en fr
  • FR993623A - Improvements to railway elements : en fr
  • FR993790A - Reversible cuff : en fr
  • GB660510A - Improvements in or relating to oil separators : en
  • DE753816C - Method of continuous casting of steel runs : de en
  • DE819965C - Track system and construction units for toy or model trains : de en
  • FR993968A - Photoelectric cell camera : en fr
  • US2574301A - Automatic speed and feed change mechanism for machine tools : en
  • DE1630416U - BOXER TOYS. : de en
  • DE820014C - Amplifier circuit for small voltages : de en
  • DE820108C - Process for the recovery of adhesive acid from nitrocellulose : de en
  • FI25440A - Boom communication : en fi
  • GB660272A - Improvements in and relating to electric control systems : en
  • DE1630597U - TOY VEHICLE. : de en
  • AT169348B - Holders for lipsticks, eyebrow pencils or other cosmetic purposes, soft, coloring substances : de en
  • AU150911B2 - Improvements inthe working of aluminium and aluminium alloys by drawing through dies : en
  • CA478288A - Production of age-hardened copper base alloy products : en fr
  • US2573765A - Latch mechanism for carry type scraper ejectors : en
  • US2573885A - Underwater camera and casing, including control means : en
  • CA478262A - Rear flap operators for convertible tops : en fr
  • DE1630478U - REVIEW IMAGE VIEWER. : de en
  • DE1630272U - CYLINDRICAL SLEEVE FOR STORING SHAVING TOOLS. : de en
  • DE819629C - Safety coupling for a two-foot lever system in a vehicle : de en
  • FR994044A - Improvements to pistons of explosion or combustion engines : en fr
  • FR993763A - Trailer : en fr
  • US2573793A - Wire-winding apparatus : en
  • US2573908A - Portable elevator with tensioning means for raising conveyer chute : en
  • US2574224A - Circuit for marking a line as busy : en
  • DE820295C - Ironing press : de en
  • DE820395C - Scrubbing and polishing machine for small parts : de en
  • GB660310A - Improvements in or relating to cabinets : en
  • GB660592A - Improvements in the manufacture of anisotropic permanent magnets and in alloys therefor : en
  • DE819805C - Sports ball : de en
  • US2574248A - Pole straightener : en
  • AT169310B - Multi-part vessel, in particular glass vessel, for small-sized electron tubes : de en
  • GB660588A - Improvements in or relating to water-tube boilers : en
  • DE819606C - Control slide for machines with progressively moving power or working pistons in an annular space : de en
  • DE819766C - Metal saw machine : de en
  • FR993775A - Folding stool : en fr
  • DE1630599U - STONEWARE CLOCK CASE. : de en
  • DE818124C - Method and device for determining and displaying the weights of goods conveyed at any time by belts or the like : de en
  • US2574115A - Magnetic lens, especially for electron optical systems : en
  • US2573757A - Ventilator : en
  • DE1630345U - BENDING ROLLS, IN PARTICULAR FOR THE SIMULTANEOUS BENDING OF SEVERAL BARS ON CONCRETE IRON BENDING MACHINES : de en
  • DE819701C - Switching element for shafts, preferably extremely short shaft lengths : de en
  • US2573878A - Corrosion preventive compositions : en
  • USD165054S - Head covering or similar article : en
  • DE808372C - Desk-like device for supporting a book or the like. : de en
  • DE819603C - Joint for coupling two shaft ends : de en
  • DE819971C - Shaped bodies for the construction industry and processes for its manufacture and further processing : de en
  • US2573755A - Locomotive shroud closure : en
  • US2573769A - Herbicide : en
  • DE1630408U - SECURITY LATCH. : de en
  • US2574453A - Lawn edger : en
  • DE819961C - Ski binding : de en
  • DE820241C - pump : de en
  • GB660621A - Improvements in supports for cables of electric irons : en
  • AT169347B - Process for the production of a liquid plasticizer for polymeric plastics or nitrocellulose and its application : de en
  • GB660452A - Improvements in or relating to power-transmission systems : en
  • US2573734A - Calibrator : en
  • DE1630419U - STAGE WAGON WITH DEVICE FOR CREATING A SLOPING FLOOR. : de en
  • DE820394C - Lever lock for bottles and cans : de en
  • GB660274A - Private automatic branch exchanges : en
  • FR993858A - Friction pulley with trapezoidal groove and insert blade : en fr
  • FR993990A - Internal combustion engine : en fr
  • DE820003C - Process for the preparation of condensation products containing sulfur and phosphorus : de en
  • DE820131C - Laundry press : de en
  • DE1630537U - CLEANING DEVICE FOR THRESHING MACHINES, IN PARTICULAR MAINE THRESHING MACHINES, WITH FAN, FIRST AND SECOND CLEANING DEVICE, DUMP ELEVATOR AND BAGGING DEVICE. : de en
  • DE819905C - Belt for connecting building panels in double panel walls : de en
  • AU156022B2 - Improvements in or relating to regenerative heat recovery processes for carrying out chemical gaseous reactions : en
  • CA478414A - Fluid compositions for use in well drilling and methods of applying same : en fr
  • CA478309A - Gas generator controls : en fr
  • DE1630449U - DIRECTORY GROUP. : de en
  • DE1630485U - CIGARETTE AND CIGAR TRAY EQUIPPED WITH GLUTE TUBES T : de en
  • DE819644C - Drive device for windshield wipers of motor vehicles : de en
  • US2573702A - Alumina chromatographic purification of liver extracts : en
  • US2573772A - Smoke box for smoking meat, fish, or poultry : en
  • AU155493B2 - Improvements in or relating to electromagnetic deflection systems forc. R. tubes : en
  • US2574408A - Automatic ball pitching machine : en
  • DE1630440U - COIN CHANNEL FOR COIN TELEPHONE. : de en
  • DE1630484U - ELECTRIC TABLE TO BE CONNECTED. : de en
  • DE1630500U - BARRIER CORD CLOSURE FOR CARRYING BOX. : de en
  • CA478343A - Methods of molding : en fr
  • DE824238B - Bark cutter for tanning purposes : de en
  • FR993611A - Manufacturing process for connection bushings : en fr
  • FR994004A - Method and starting device for gas turbine powertrains comprising an air bypass : en fr
  • AT169357B - Method and device for manufacturing zip fasteners : de en
  • DE820377C - Copier : de en
  • DE819555C - Method and arrangement for measuring electrical vector quantities : de en
  • DE819745C - Device for cleaning, peeling, polishing, etc. of grains and husk fruits : de en
  • DE820294C - Changeover mechanism for washing machine drums driven by an electric motor : de en
  • FR993848A - Electric circuit breaker with delayed movement disconnector : en fr
  • DE1630560U - BOOT IRONS. : de en
  • DE819897C - Electric vacuum cleaner of horizontal design with slide mounting : de en
  • FR993631A - Electronic switch : en fr
  • FR993804A - Device for sharpening razor blades : en fr
  • GB660293A - Improvements in and relating to electric control systems : en
  • FR993677A - Button consisting of several parts with interchangeable coating : en fr
  • AU494251A - Improvements in or relating to electric motors, more particularly electric motors for electric fans : en
  • FR993856A - Binding device without paper perforation : en fr
  • AU151267B2 - Improvements in platetype heat exchangers : en
  • DE819686C - Process for the production of krypton or krypton and xenon : de en
  • DE820257C - Transparent, film-forming plastic material : de en
  • US2574098A - Centrifugal cleaning and drying machine : en
  • US2573785A - Apparatus for roasting sulfide ores : en
  • USD165108S - Perlman bottle : en
  • US2574024A - Air heating furnace dome construction : en
  • DE767140C - Control method for prime movers : de en
  • DE809237C - Tub, especially for foot exchangeable baths : de en
  • DE820216C - Teaching aids for arithmetic lessons or displays for business information : de en
  • GB660587A - Improvements in or relating to pressure vessels or drums for water-tube boilers, stills and similar structures : en
  • US2573694A - Combustion chamber with stepped wall construction : en
  • AT169307B - Device for spring winding and inserting clockwork springs into the spring housing : de en
  • CA478355A - Throttle reversing linkages : en fr
  • DE1630394U - ANTI-ROTATION FOR OBJECTS TO BE SUSPENDED, IN PARTICULAR FOR LIGHTING BODY OF ANY KIND. : de en
  • DE819966C - Two-color flashing sign for electric vehicle toys : de en
  • AU496351A - Improvements in or relating to methods of' applying a thermoplastic adhesive along a workpiece and to apparatus suitable for use therein : en
  • DE767145C - Vessels for storing hydrazine hydrate : de en
  • AT169318B - Process to reduce felting and shrinkage of wool : de en
  • AU489951A - Apparatus for reproduction of television pictures orthe like : en
  • US2573891A - Recovery of sterols : en
  • US2574048A - Animated timepiece : en
  • US2574064A - Educational appliance : en
  • DE819647C - Protection device for vehicle tires filled with compressed air against non-observance of harmful pressure loss : de en
  • AU3847950A - Improved key for opening tins : en
  • DE820282C - Self-locking slide for zippers : de en
  • DK73306C - Process for the preparation of propyl and butyl esters of p-aminosalicylic acid. : da en
  • US2573768A - Dust collecting apparatus : en
  • AT169401B - Switching device of change gears on chain bikes : de en
  • FR993890A - Piezoelectric crystal device : en fr
  • AU155305B2 - Method of purifying organic compounds : en
  • DE758203C - Drive device for towing ships : de en
  • DE815071C - Flat weft knitting or knitting machine for the production of knitted fabrics : de en
  • DE819538C - Washing device : de en
  • DE819611C - Device for drilling, reaming, countersinking and. like : de en
  • DE819669C - Device for producing building blocks : de en
  • FR993996A - Conductive liquid circuit breaker, in particular mercury : en fr
  • GB660332A - Improvements in machines for making a plurality of imprints on a strip or tape : en
  • DE1630278U - DEVICE ADJUSTABLE IN HEIGHT OR LENGTH FOR SCAFFOLDING. : de en
  • DE1630296U - BICYCLE SUSPENSION. : de en
  • DE1630353U - TIRE HOLDER FOR WOODEN WHEELS WITH IRON TIRES. : de en
  • DE819832C - Schraem machine with several Schraem tools : de en
  • AT169433B - Reinforced concrete railway sleeper and mold for its manufacture : de en
  • US2573998A - Oscillograph-galvanometer : en
  • FI25410A - Sätt och anordning för geopysikalisk rekognoscering : en fi
  • GB660534A - Diazotype photoprinting material : en
  • DE820319C - Electrically controllable semiconductor rectifier and process for its manufacture : de en
  • FR993711A - Method and apparatus for joining parts together : en fr
  • DE819852C - Process for the production of carbonate of lime : de en
  • DE819537C - Washing device consisting of washing machine and spin dryer : de en
  • DE820378C - Chassis, especially for motor vehicles : de en
  • AT169333B - Cleaning powder for glass and glass-like surfaces : de en
  • AU156768B2 - Hydraulically controlled power transmission mechanism : en
  • AU159703B2 - Improvements relating to substituted quinazolones : en
  • FI25417A - Device for radium therapy inside the body cavity : en fi
  • FR993731A - Spinning machine for hard-fiber textile materials : en fr
  • FR993792A - Ratchet device without spring : en fr
  • DE1630441U - MAGNETIZABLE SCREW. : de en
  • DK73304C - Emulsifier. : da en
  • FR993606A - Production of organosiloxanes : en fr
  • GB660320A - Improvements in machines for adhesively applying patterns to cards or other carrier means : en
  • DE819630C - Tractor with a short distance between the front and rear wheels, especially agricultural tractors : de en
  • DE820013C - Circuit arrangement for undistorted pulse transmission via amplifier : de en
  • DE819882C - Inductively heated flow heater : de en
  • DE1630481U - DEVICE FOR MEASURING THE TOUGHNESS OF GAS AND LIQUID MATERIALS : de en
  • DE819694C - Process for the production of condensation products with a tanning effect : de en
  • FR993772A - Conversion of the citroe engine: n rocker arms into diesel engine : en fr
  • US2573859A - Slicing machine : en
  • US2574178A - Safety belt : en
  • USD165124S - Hair holder : en
  • FR993973A - Mixed tank-van vehicle for the transport, road or rail, of liquids and goods : en fr
  • DE813698C - Method and device for dyeing, bleaching or other wet treatment of fabrics : de en
  • DE819818C - Conveying device for water vehicles, especially dredgers : de en
  • GB660375A - Improvements in or relating to tubular getter units for vacuum tubes : en
  • GR13268B - TABLE ELECTRIC LIGHTER. : el en
  • DE1630370U - TONGUE CLEANER. : de en
  • DE820122C - Packing device for bagging flour, bran and similar products : de en
  • US2573780A - Film magazine : en
  • US2573812A - Rear-vision means for auto vehicles : en
  • US2574034A - Self-locking retaining ring : en
  • AT169419B - Filling furnace for waste fuels such as sawdust, peat waste, coal dust or the like. : de en
  • AU156379B2 - Improvements in impellers for centrifugal pumps : en
  • DE819998C - Process for the preparation of esters of phosphoric or thiophosphoric acid : de en
  • FR993610A - Production process for coils without support : en fr
  • DE1630400U - CHILDREN'S CARRIAGES, SPORTS CARRIAGES, DOLL CARRIAGES, etc. : de en
  • DE819877C - Electric coffee maker : de en
  • FR993789A - Clamping device : en fr
  • US2574200A - Method of making stretchable woven fabrics : en
  • FR994018A - Press for all applications, especially for riveting and punching : en fr
  • GB660560A - Improvements relating to resilient devices : en
  • US2574173A - Gas heater safety device : en
  • US2574092A - Apparatus for inducing respiration by tilting : en
  • US2574232A - Collapsible golf bag carrier : en
  • US2574310A - Fender flap support : en
  • GB660257A - Improvements in and relating to the extrusion of materials such as metals : en
  • AT169394B - Automatic gear change gearbox : de en
  • GB660265A - Voltage regulator for motor vehicles : en
  • US2574082A - Roto-vibrator : en
  • DE820252C - Device for venting motor vehicles : de en
  • DE819767C - Process for creating tight connections between pipes or container parts : de en
  • DE820318C - Selenium bodies, especially for dry rectifiers, photo elements and light-sensitive resistance cells : de en
  • FR993644A - Improvements to tube bending machines : en fr
  • DE820100C - Pencil sharpener fitted with a razor blade : de en
  • FI25438A - Anordning vid räknemaskiner : en fi
  • FR993669A - Locking device for electromagnetic contactors : en fr
  • GB660659A - Improvements in wire annealing : en
  • GB660517A - Improvements in or relating to rubber powered motors for toys and the like : en
  • DE1630554U - SLICING MACHINE. : de en
  • DE761481C - Spray head for hose machines : de en
  • GB660589A - Improvements in and relating to stereo-photogrammetric apparatus : en
  • DE1630351U - MAGNETIC HOLDER FOR RRPODUCTION AND ENLARGING DEVICES. : de en
  • DE820075C - Copy dovetail machine : de en
  • DE820391C - Flap ventilators for motor vehicles, in particular buses : de en
  • FR993972A - Improvements to tunnel dryers : en fr
  • DE819989C - Process for the production of artificial mica : de en
  • DE820359C - Coupling for electric and other motors : de en
  • DE1630260U - OVEN FOR GLOWING WIRE. : de en
  • DE819888C - Process for the production of sulphurous cow dyes : de en
  • DE820366C - Process for producing pectin-rich beet juice : de en
  • FR993785A - Support, especially for telephone device : en fr
  • GB660393A - Chaff cart for use with combine harvesters and the like : en
  • DE819652C - Air valve for bicycles, motorcycles and automobiles : de en
  • DE819675C - Textile fabrics for use in vulcanization, particularly of damaged fire service hoses, and methods of repairing fire service hoses using such a fabric : de en
  • DE820269C - Closure for glue tubes : de en
  • DK73308C - Coupling for tone-frequency setting of registers from subscriber devices with button sets. : da en
  • DE819822C - Drying drum : de en
  • US2574329A - Process and apparatus for producing laminated paper tubes : en
  • US2574174A - Sanitary hog trough : en
  • US2574201A - Match book : en
  • AT169425B - Device for temperature display for ovens of stoves u. like : de en
  • US2573868A - Hose reel : en
  • US2574106A - Extractor with discharge mechanism : en
  • US2574380A - Staple forming and setting machine : en
  • FR993859A - Brake shoe for trapezoidal belt pulley : en fr
  • FR994033A - Process for the protection against diseases of grapevine and fruit trees in general : en fr
  • AU147272B2 - A new propelling pencil with multi-coloured lead : en
  • GB660454A - Improvements in and relating to apparatus for use in the manufacture of electric filament lamps : en
  • GB660350A - Improvements in or relating to aldehydo compounds and processes of producing the same : en
  • GB660354A - Improvements in or relating to a stock supply system for a paper making machine : en
  • DE1630381U - PLASTIC RAZOR BLADE CASE. : de en
  • GB660577A - Improvements in or relating to hydraulic presses : en
  • US2574051A - Plow wheel and mounting : en
  • FR993686A - Drive mechanism usable in all planes : en fr
  • US2573958A - Bobbin carrier : en
  • US2574196A - Machine for automatically packaging conveyer supported products : en
  • DE1630446U - HOLDER FOR FLASHLIGHTS OR LIKE. : de en
  • DE1630324U - DOOR SEAL. : de en
  • US2574362A - Telegraph transmitter with message numbering : en
  • DE820223C - Trellis system for hop gardens : de en
  • DK73333C - Alarm device for locks. : da en
  • FR994011A - Remover for the removal of varnishes and lacquers deposited on the nails : en fr
  • GB660651A - Filter for liquids such as gasoline and the like : en
  • USD165104S - Orloff blouse : en
  • US2574138A - Selector mechanism : en
  • DE820127C - Method and device for loading and unloading vehicles with grain, hay etc. and for stacking : de en
  • FR993794A - Power sockets for fluorescent tube lamps : en fr
  • FR994032A - Process and devices for the intensive production of methane by fermentation : en fr
  • GB660411A - Improvements in or relating to internal combustion engines : en
  • US2574100A - Mounting for cutting torches : en
  • DE1630513U - MIRROR RASPATORY. : de en
  • AT169379B - Fastening device for aircraft engine hoods u. like. formwork : de en
  • US2573875A - Rotary fan : en
  • DE1630539U - BEARING MADE OF DIFFERENT TYPES OF COMPRESSED PLASTIC MATERIALS, IN PARTICULAR FOR ROLLER BEARINGS. : de en
  • FR993895A - Improvements to briefcases, suitcases, cases, travel kits and the like : en fr
  • AU487551A - Voltage limiting device : en
  • DE1630532U - CHECKOUT FOR RESTAURANT SERVICE STAFF. : de en
  • DE820190C - Hair curlers : de en
  • US2573752A - Method of manufacturing welted shoes : en
  • US2573987A - Building construction : en
  • US2574041A - Yarn carrier for knitting machines : en
  • US2574148A - Cuff marking device : en
  • US2574422A - Swivel cap : en
  • AT169303B - Electromedical device, in particular X-ray examination device : de en
  • US2574025A - Angularly adjustable circular saw mounting : en
  • CA478373A - Hydrocarbon fuel blends : en fr
  • CA478242A - Methods of and apparatus for simulating radio navigation aids : en fr
  • US2574211A - Dirigible floodlight : en
  • DE820070C - Hollow block : de en
  • US2574439A - Plasticized polystyrene composition : en
  • AU491351A - Improvements in ball-pointed writing instruments : en
  • US2574238A - Plaster mixing machine : en
  • CA478403A - Formation of surfaces easily wettable by mercury : en fr
  • AT169410B - Ski binding : de en
  • FR993773A - Device allowing the introduction of a fluid into a reservoir filled under pressure : en fr
  • GB660503A - Improvements in rechargeable electric cells : en
  • USD165044S - Ash teay : en
  • DE820207C - Ladder with facilities for extending the stiles : de en
  • FR993875A - Electric welding arc supply process : en fr
  • GB660471A - Improvements in buttons : en
  • GB660664A - Improvements in coiling and like apparatus : en
  • DE820058C - Scrubbing device with wringer for the scrubbing cloth : de en
  • US2573714A - Side dump for grain wagons : en
  • DE820161C - Circuit arrangement for counting connections during the conversation in telephone systems : de en
  • DE820414C - Bag closer : de en
  • DE1630417U - TRADITIONAL DOLL. : de en
  • DE819840C - Process for the production of sparkling wine with fruit juice as a sugar liqueur : de en
  • DE820327C - Device for determining the essential size ratios of erythrocytes : de en
  • AT169441B - Jumping mat for sports purposes : de en
  • US2574191A - Coupling device : en
  • AT169434B - Multi-purpose hall system with sports areas that can be crossed by large roller bridges : de en
  • US2573681A - Storm window : en
  • US2574111A - Grinding machine attachment for grinding helical teeth : en
  • AT169312B - Compass made of plastic : de en
  • US2573929A - Temperature-compensated phase : en
  • US2574101A - Machine for thermochemically severing metal workpieces : en
  • DE820225C - Two-stroke injection internal combustion engine with reverse scavenging and energy storage : de en
  • AU495551A - A screw and driving tool therefor : en
  • US2574192A - Safety switch for liquid cooled engines : en
  • US2574256A - Method of recovering crystalline cyanoacetic acid : en
  • DE1630373U - MEDICAL ADHESIVE. : de en
  • DE1630435U - HOLDER FOR STOCKINGS, SOCKS OR THE LIKE. : de en
  • DE1630591U - DOOR AND WINDOW HOLDER. : de en
  • DE819801C - Device for operating ship engines : de en
  • DE1630453U - THREE-JAW PLIERS, IN PARTICULAR FOR DENTAL AND ORAL SURGERY PURPOSES. : de en
  • AT169422B - Procedure for replacing dipped tree ceilings with solid ceilings : de en
  • DE1630365U - CARD CONTAINER. : de en
  • DE1630540U - DEVICE FOR SECURING THE BRAKE CABLE AND THE HOOK SCREW ON THE ROPE TENSIONER. : de en
  • DE819743C - Cutting unit for mowing machines : de en
  • DE819949C - Drip-free pouring device for bottles : de en
  • US2574309A - Sway brace : en
  • AT169383B - Telescopic suspension fork for bicycles : de en
  • AU493151A - Improvements in control of winding and like mechanisms : en
  • CA478276A - Alkenoxy amino diphenylamines : en fr
  • US2573706A - Shipping case : en
  • US2574126A - Attachment for box-covering machines : en
  • DE1630273U - MOTORLESS DEVICE FOR PROCESSING (E.G. CLEANING, BEANS, ETC.) OF FLOORS. : de en
  • DE819545C - Liquid filter : de en
  • DE820155C - Circuit arrangement for group dialers in telephone systems : de en
  • FI25442A - Säkringsbricka : en fi
  • GB660391A - Manufacture of vat dyestuffs of the anthraquinone series : en
  • GB660403A - Improvements in steam-generating boilers : en
  • US2574093A - Adjustable trip : en
  • DE819894C - Handbag or suitcase-like packaging : de en
  • DE820270C - Suction nozzle : de en
  • AU495651A - Improvements in or relating to electrical resistance heating elements : en
  • DK73328C - Apparatus for holding the legs of cattle during slaughter. : da en
  • US2574254A - Aircraft cooling valve : en
  • CA478279A - Sealed packages and component parts thereof : en fr
  • AU491451A - Improvements in cables for use in telephony : en
  • AU487451A - Improvements in heat exchange devices and method oftheir fabrication : en
  • US2573721A - Can wiping and shielding mechanism : en
  • AU151317B2 - Improvements in or relating to combustion apparatus : en
  • CA478311A - Radio dial scales : en fr
  • AU151741B2 - Shoemaking apparatus : en
  • CA478244A - Ensilage covers : en fr
  • CA478291A - Copper alloys : en fr
  • DE764327C - Command intercom speaker system : de en
  • GB660448A - An arrangement in sitting furniture : en
  • AT169368B - Collapsible stool : de en
  • DE819771C - Electric power distributor for movable neon signs : de en
  • DE819857C - Process for the production of ferromanganese in a blast furnace : de en
  • DE820162C - Circuit arrangement for billing fees for long-distance connections in telephone systems : de en
  • DE820273C - Washing basket for cleaning fine mechanical parts : de en
  • CA478280A - Control means for turbo-prop units : en fr
  • CA478359A - Stereophonic receiving systems : en fr
  • DE1630424U - PACKAGING CONTAINER. : de en
  • DE815732C - Tie rod head, especially for sewing machines : de en
  • US2574108A - Machine for making looped or tufted fabrics : en
  • AU158009B2 - Process of producing beadlike agglomerates of rubber compounding agents : en
  • CA478306A - Blowpipe apparatus : en fr
  • AU156902B2 - Improvements in or relating to methods of' applying a thermoplastic adhesive along a workpiece and to apparatus suitable for use therein : en
  • AU493951A - Improvements in or relating to multiple crystal tuned heterodyne radio receivers : en
  • GB660263A - Improvements in or relating to power mechanism for typewriters and like machines : en
  • US2573684A - Refrigeration apparatus, including defrosting means : en
  • US2573877A - Lifting jack construction : en
  • CA478282A - Furnace control systems : en fr
  • DE820130C - Vacuum dryer for drying temperature-sensitive substances in paste form : de en
  • GB660281A - Improvements in chain hoist : en
  • CA478278A - Processes of stuffing casings : en fr
  • DE1630413U - TOY VEHICLE. : de en
  • DE1630491U - EXTENDABLE LID OR DOOR SUPPORT. : de en
  • US2573718A - Telegraph system : en
  • USD165116S - Sloan etal shoe : en
  • CA478267A - Magnetic plates and traps : en fr
  • DE819746C - Machine for stripping hop tendrils : de en
  • DE820259C - Mechanical doll : de en
  • GB660396A - Labyrinth seals : en
  • AU149189B2 - An improved circular saw : en
  • US2573893A - Certain polyol ethers : en
  • US2573945A - Glass washer : en
  • US2574424A - Ratchet spanner wrench : en
  • US2574414A - Relief valve : en
  • US2574005A - Magazine shifting safety device : en
  • AT169389B - Equipment on garbage trucks for distributing the load : de en
  • US2573860A - Knife guard for slicing machines : en
  • DE1630534U - MEDAL-LIKE PENDANT, ESPECIALLY FOR KEY CHAINS. : de en
  • DE819623C - Process for producing a perfect contact of the parts to be brought into contact with one another in pneumatic copying frames and pneumatic frames for this process : de en
  • AU491651A - Improvements to disc harrow frames : en
  • US2573937A - Variable-speed pulley and v-belt transmission : en
  • AU155282B2 - Improvements in or relating to electrical resistance heating elements : en
  • FR993646A - Improvements in electrolysis : en fr
  • AT169431B - Multi-part stowage lock : de en
  • AT169382B - Hanging device for items of clothing on bicycles or the like. : de en
  • US2574319A - Smokehouse meat back : en
  • DE820281C - Shirt sleeve holder : de en
  • DE820284C - Slider for zippers : de en
  • GB660416A - Automatic control mechanism, particularly for moving machine parts : en
  • AT169316B - Process for the extraction of low-carbon metals or alloys from slag resulting from metallothermal reactions : de en
  • DE1630468U - KITCHEN CREDENTIAL WITH RETRACTABLE BREAD SLICING MACHINE, CONCEALED KITCHEN SCALE AND PULL-OUT PLATE. : de en
  • DE819901C - Trouser print plaques for cloakrooms : de en
  • AT169360B - Carriage guidance and associated tracks on circular saws and similar machines for processing long wooden parts : de en
  • DE1630355U - HOLDING AID ON SLICING MACHINES. : de en
  • GB660366A - Improvements in or relating to catalysts for accelerating the cure of aminoplasts : en
  • AT169429B - Method of erecting formwork and beams for the same : de en
  • DE820317C - Arrangement for damping the voltage of twice the frequency generated in the excitation winding of reluctance generators : de en
  • DE1630555U - FILL PIPE FOR DESERT OR THE LIKE. : de en
  • DE820023C - Method for the transmission of messages : de en
  • AT169265B - Installation auto or overcurrent switch : de en
  • AT169388B - Device for controlling and maintaining the operating pressure of pneumatic tires in vehicles : de en
  • US2574042A - Reinforcing insert for antidrip attachment for paint brushes : en
  • US2573964A - Filter : en
  • US2574186A - Apparatus for viewing stereoscopic pictures : en
  • US2574444A - Substituted aryl 6-tetrahydropyranyl ethers : en
  • USRE23428E - Railroad car truck : en
  • US2574003A - Spray nozzle : en
  • US2574060A - Hydropneumatic recuperator with adjustable power : en
  • AT169340B - Process for the preparation of levulose from inulin-containing plant substances : de en
  • CA478225A - Processes of indurating boards of fibrous materials : en fr
  • US2574290A - Multiple unit switch with single actuator : en
  • AT169420B - Processes and devices for prestressing pressure-resistant components : de en
  • DE820351C - Adjustment device for inner brake shoes : de en
  • FR993998A - Improvements to combs or other similar toilet articles : en fr
  • FR993844A - Method and apparatus for smoke control : en fr
  • USD165050S - Combination accelerometer and gradometer or the like : en
  • USD165125S - Floral back : en
  • DE819739C - Coupling device for saddling up, in particular agricultural vehicles : de en
  • DE820146C - Chamber cooler for plastic masses : de en
  • DE820250C - Temporarily dimmable headlights : de en
  • AU505451A - Telephone station ringing equipment : en
  • CA478301A - Alarm devices for indicating failure of the paper feed mechanism in teleprinters : en fr
  • US2573899A - Solvent fractionation of glyceride oils : en
  • US2574001A - Pipe nipple chuck : en
  • US2574405A - Lipstick holder : en
  • DE1630372U - APPARATUS FOR DIRECTING CURVED TOES. : de en
  • DE819598C - Ruebenkoepfgeraet : de en
  • DE820384C - Self-reinforcing brake with floating brake shoes, especially for motor vehicles : de en
  • US2574390A - Production of alkenylhalosilanes : en
  • US2573930A - Farm silo personnel elevator : en
  • US2573888A - Beverage dispensing apparatus : en
  • DE1630277U - AIMING DEVICE FOR BOLT SHOOTING DEVICES. : de en
  • AT169335B - Agent for increasing the adhesive strength of bitumen and bituminous binder containing this agent : de en
  • DE819550C - Installation box for electrical installation equipment : de en
  • DE819609C - Piston gear with rapid travel : de en
  • USD165070S - Toy airplane : en
  • DE819720C - Parquet paving : de en
  • DE820267C - Clamping column for column lathes : de en
  • DE1630512U - Three-jaw pliers, especially for dental and orthodontic purposes. : de en
  • GB660266A - Garment pressing machine : en
  • AU160281B2 - Process forthe production of aliphatic alcohols : en
  • CA478366A - Control apparatus and switches therefor : en fr
  • AT169430B - Spinning tops, especially for toto players : de en
  • CA478255A - Methods of making wheel covers : en fr
  • CA478260A - Window regulator mechanism : en fr
  • AT169371B - School chairs : de en
  • SE133506C1 - : en
  • US2573816A - Rayon cake package : en
  • USD165048S - Breath glove : en
  • CA478300A - Water cooling system for internal combustion engines and the like : en fr
  • US2574366A - Window shade control : en
  • USD165111S - Utility tray : en
  • US2574033A - Luggage lock : en
  • USD165058S - Adjustable metal couch chair : en
  • US2573693A - Machine for making hollow plastic articles : en
  • US2573935A - Process for making shot : en
  • US2573968A - Centrifugal switch : en
  • FI25407A - Elektroinduktionsspole samt förfarande för dess framställning : en fi
  • AU151316B2 - Improvements to disc harrow frames : en
  • CA478352A - Relays : en fr
  • DE819956C - Process for the production of wooden hollow bodies decorated on the surface : de en
  • DE820198C - Mirror holder, especially for toilet mirrors : de en
  • US2573746A - Directive antenna for microwaves : en
  • DE819807C - Method for filling bulk goods into containers : de en
  • AT169321B - Device for homogenizing pasty or liquid masses : de en
  • AU155518B2 - Improvements in cables for use in telephony : en
  • CA478246A - Opposed roll-crushers with interlocking teeth of graduated heights : en fr
  • DE1630344U - DEVICE FOR BIGGING ALL THE HEADS ON THE INDIVIDUAL PARTS OF A POCKET KNIFE OR RIVET PINS CONNECTING TO THE ERL OF ALL KINDS OF KNIVES. : de en
  • GB660423A - Improvements in or relating to valves for pressure vessels, e.g. pressure cookers : en
  • AT169350B - Process for printing on plastic films : de en
  • FI25431A - Process for the preparation of synthetic resins binding organic atomic complexes : en fi
  • FR993913A - Mounting mode for oscillator allowing to generate two simultaneous frequencies : en fr
  • DE1630405U - PROTECTIVE STRIP MADE OF RUBBER FOR THE FRAMES OF VEHICLE BODIES. : de en
  • FR993873A - UHF radio-guidance and radio-landing device : en fr
  • FR993952A - Automatic divider, into two equal parts, of the production of a machine making the bodies of canisters : en fr
  • FR993959A - Process for manufacturing bits, drills and similar tools and resulting new product : en fr
  • DE1630403U - CONTROL DEVICE FOR PERIODICALLY ACTUATED DISPLAY DEVICES ON VEHICLES. : de en
  • DE1630549U - BRAKE HUB, ESPECIALLY FOR MOTORCYCLES. : de en
  • US2574147A - Firearm : en
  • CA478271A - Penicillin salts of esters of amino-organic acids : en fr
  • CA478336A - Dynamically equipoised balances : en fr
  • DE1630283U - FILLING NOZZLE ON AUTOMATIC SCALES. : de en
  • DE1630318U - COMB CONTAINER. : de en
  • AT169378B - Holding device for cookware or the like. : de en
  • AU152293B2 - Improvements in or relating to bunkers, hoppers, and like receptacles : en
  • FR994022A - Improvements to projectors : en fr
  • GB660326A - Periscopic sextant : en
  • AU490751A - Signal phasing system for color television : en
  • DE819699C - Road construction machine, especially for the production of bituminous or cement-bound pavements : de en
  • FR993619A - Flexible hoses improvements : en fr
  • FR993750A - Machine for baling and binding hay, straw and the like : en fr
  • GB660541A - Improved method and means for continuously growing crystals : en
  • US2573760A - Mechanical compass pencil : en
  • US2573962A - Sectional door : en
  • US2574188A - Tuning fork structure : en
  • AU153263B2 - Improvements relating to 2, 8-disulfonic acid of 7diaminodiben zothiophenedioxide : en
  • DE819591C - Valve arrangement for chemical apparatus, especially laboratory apparatus : de en
  • DE820226C - Mixture-compressing, self-igniting internal combustion engine : de en
  • DE1630561U - ARRANGEMENT OF FLAT SPRING BARS AS INSERT OF BODIES, BUSTS, BANDAGES, BANDAGES AND THE LIKE. : de en
  • DE1630544U - DEVICE FOR EQUIPPING PYRAMID SHAPED BOTTLES FOR ADVERTISING AND ADVERTISING PURPOSES. : de en
  • DE820181C - Device for separating plaster of paris : de en
  • CA478416A - Automatic adjustable torque wrenches : en fr
  • US2573872A - Method of packaging foodstuffs : en
  • US2574428A - Valve assembly : en
  • AT169365B - Guilloche machine : de en
  • DE819821C - Vertical dryer, especially for the dry treatment of water-rich products : de en
  • US2574448A - Catalytic desulfurization of gas oil : en
  • FI25423A - Cooking and heating oven : en fi
  • FI25460A - Chassis ring for machinery, for use in watchmakers' work or the like : en fi
  • DE1630451U - CORD MADE OF NON-SPANNED FIBER FIBER. : de en
  • DE1630456U - SUCTION AND COMPRESSED AIR CONNECTOR. : de en
  • DE819560C - Socket for glowing electric lights with fluorescent lamps : de en
  • FR993655A - Improvements made to wraps for the impregnation of wood planted in the ground and using water-soluble impregnation salts : en fr
  • GB660409A - Improvements in hot-gas reciprocating engines and refrigerating engines operating onthe reversed hot-gas engine principle : en
  • DE819596C - Harvester for root crops : de en
  • DE819641C - Suction system for internal combustion piston machines in particular arranged under the floor to drive road and rail vehicles : de en
  • DE1630319U - AID HANDLE. : de en
  • FR993935A - New welding process, and its applications : en fr
  • FR993997A - Process for the preparation of stable dispersions of vinyl resins : en fr
  • GB660567A - Improvements in or relating to collapsible or knock-down furniture : en
  • GB660355A - Lubricating oil compositions : en
  • DE1630508U - ELECTRIC CONTACT. : de en
  • CA478304A - Spray guns : en fr
  • DE819632C - Civil engineering vehicle for various purposes : de en
  • DE819727C - Oil scraper for oil measuring rods : de en
  • DE819980C - Puller for bicycle cranks : de en
  • FR993937A - Automatic temperature regulator for gas-heated appliances : en fr
  • GB660428A - Improvements in or relating to a shoe cleaning apparatus : en
  • US2573915A - Folding chair : en
  • DE819588C - Evaporation calorimeter for heater u. like : de en
  • US2573779A - Color stabilizers : en
  • US2574068A - Multiple tube gas triode inverter : en
  • US2574333A - Fish pole light attachment : en
  • FR993681A - Radio transmission system on several separate antennas : en fr
  • US2574289A - High chair : en
  • US2573717A - Process and machine for converting textile filaments : en
  • US2574129A - Rotary fluid coupling : en
  • US2573887A - Rotary stalk cutter and shredder : en
  • US2574177A - Gas fueling system for filling truck-mounted container by using the power of the truck motor : en
  • DK73316C - Reinforced concrete beam. : da en
  • AU153938B2 - Improvements in inductor drum construction for electrical machines : en
  • DE819622C - Front and back ejection device for dry developing machines or the like. : de en
  • FI25403A - Transformer core : en fi
  • AU494451A - Improvements relating to 2, 8-disulfonic acid of 7diaminodiben zothiophenedioxide : en
  • DE819929C - Ignition box : de en
  • DE820024C - Arrangement for the optional connection of devices or exchange lines to two-wire or four-wire carrier frequency trunk lines : de en
  • DE819712C - Device for boiler systems for the allocation of boiler coal : de en
  • DE819785C - Control device for vehicles : de en
  • DE819874C - Electric heater for high temperatures : de en
  • DE819968C - Building game for assembling building models etc. : de en
  • US2573818A - Alternating current magnetic amplifier : en
  • US2573979A - Shaper for trousers : en
  • US2574136A - Vibratory frequency standard apparatus : en
  • DE819810C - Device for bundling wood : de en
  • DE819930C - Inlay with sheaf tape cutter for threshing machines with automatic feeding of the threshed material : de en
  • US2574171A - Tire side wall mold : en
  • DE1630267U - TESTING DEVICE FOR STARTER, GLOW LIGHTER AND LOW-VOLTAGE LUMINOUS TUBES. : de en
  • DE820000C - Process for the production of sulfur-containing reaction products from formaldehyde and hydrogen sulfide : de en
  • GB660546A - Improvements in or relating to mixing circuits for electric oscillations of high frequency : en
  • FR993961A - Tinder lighter : en fr
  • FR993921A - Heating of a piezoelectric crystal : en fr
  • FR993958A - Self-tightening adjustable footrest : en fr
  • US2573737A - Method of making sheet metal hollow ware : en
  • US2573829A - Storage battery and protecting means therefor : en
  • US2574326A - Generating groups of currents : en
  • GB660294A - A two stroke cycle internal combustion engine comprising a blower driven by the energy of the exhaust gases : en
  • US2573728A - Emergency vehicle wheel truck : en
  • DE766456C - Explosion-proof housing with sealing flanges for electrical devices : de en
  • DE819774C - Optical device for a light control effected by means of a diaphragm band in cinematographic copying machines : de en
  • DE1630533U - TIMEKEEPER. : de en
  • AU495851A - Improvements in or relating to pressure or curing bags for tyre vulcanising apparatus : en
  • FI25404A - Medeleffektregulator : en fi
  • FR993704A - Process for the polymerization or copolymerization of unsaturated compounds and products obtained by this process : en fr
  • FR993622A - Tank dyeing process : en fr
  • FR994048A - Improvements in the manufacture of cast stainless steel propellers and new steels and new propellers obtained by applying these improvements : en fr
  • FI25427A - Machine for patching simple plywood veneers and thin boards : en fi
  • DE820089C - Device on strollers for level climbing stairs : de en
  • DE820425C - Schuetzen-braking device for fixed leaf looms : de en
  • US2573691A - Writing instrument : en
  • DE820090C - Tractor or towing vehicle : de en
  • FI25408A - Thank you for the gas and / or other charges : en fi
  • DE1630285U - PLUG-SCREW SOCKET CONNECTION. : de en
  • DE1630584U - LIGHTER. : de en
  • AT169359B - Process for the production of strand-like bodies from plastically deformable masses, in particular concrete or the like. : de en
  • US2573739A - Fungicidal basic berthollide and method of using same : en
  • US2574296A - Parachute canopy release : en
  • AU155494B2 - Improvements relating to floor polishers : en
  • DE820312C - Method and device for setting up offset machines : de en
  • FR993757A - Powder metallurgical cement production process : en fr
  • DE819744C - Hand sheaf ties : de en
  • FR993799A - Processes for taking the imprint of ancient reliefs by molding and processes for reproducing said objects : en fr
  • DE819708C - Speed controller for electric motors : de en
  • DE820178C - Artificial limb, especially an artificial hand : de en
  • FR993805A - Welding installation control device and other installations : en fr
  • FR993920A - Power transmission system from reciprocating straight stroke motion : en fr
  • GB660431A - Improvements in stair carpet fasteners : en
  • US2573951A - Method of making sintered metal stencils : en
  • US2574090A - Roadway with sound tracks and method of forming the tracks : en
  • US2573709A - Apparatus for rapid heat transfer in process material : en
  • DE1630523U - REINFORCEMENT BAR FOR REINFORCED CONCRETE WITH PLATE-SHAPED END ANCHORING. : de en
  • DE820229C - Belt, V-belt or other power transmission pulley made of sheet steel : de en
  • FR993941A - Method and device for measuring time constants of oscillating systems : en fr
  • GB660666A - Improvements in or relating to means for diffusing gases into liquids : en
  • DE1630432U - MEN'S SHIRT WITH INTERCHANGEABLE COLLAR WITH PUSH BUTTON CLOSURE. : de en
  • DE1630548U - ARRANGEMENT FOR MONITORING CARBURETOR PRODUCTION IN MOTOR VEHICLES. : de en
  • FR994042A - Process for bleaching fibers and in particular fabrics : en fr
  • DE819861C - Electrical insulating tape and method for its manufacture : de en
  • US2574352A - Nut placing slotted-socket wrench : en
  • DE820135C - Process for dedusting and defogging gases and vapors : de en
  • DE820164C - Wireless messaging system : de en
  • FR994045A - Improvements to motion transmission devices : en fr
  • GB660543A - Improvements in and relating to buttons for wearing apparel : en
  • GB660549A - Improvements in or relating to the mounting of sheets or panes of glass or other material : en
  • AT169301B - Auxiliary device for drawing work : de en
  • DE819982C - Rounding machine for large pieces of dough : de en
  • US2574084A - Degreasing apparatus : en
  • US2573678A - Preparation and pyrolysis of satu : en
  • FR994023A - Discharge device for hoppers, silos or similar devices : en fr
  • DE820236C - Socket-shaped object manufactured by a spraying process : de en
  • DE767137C - Drive of a reciprocating tool by means of a Bowden cable : de en
  • DE820230C - Friction roller for friction gear transmission : de en
  • US2574008A - Method of extracting gallium oxide from aluminous substances : en
  • USD165112S - Rothchild etal combined belt, purse, and pen : en
  • US2574159A - Spreading device : en
  • US2574416A - Vulnerability valve : en
  • DE819680C - Impact tool : de en
  • FI25437A - Anordning vid automatic skivväxlare för grammofoner : en fi
  • DE820087C - Method and device for the production of articulated shoes for pit lining : de en
  • US2574397A - Device for controlling the operation of electric switches : en
  • DE1630350U - BOX CAMERA 4.5 X 6. : de en
  • FR993816A - Automatic braking system for airplanes : en fr
  • FR993914A - Improved motion transmission device, more specifically applicable to variable-pitch propellers : en fr
  • US2573850A - Means and method of neutralizing the gum accelerating effect of copper in hydrocarbon fuel : en
  • US2574317A - Electrical shaving device : en
  • CA478266A - Structures for the footing in side walls in concrete buildings : en fr
  • DE819572C - Pitting device for stone fruit, such as plums and. like : de en
  • DE819660C - Electrically individually driven hollow spinning spindle mounted on an axis : de en
  • GB660414A - Improvements in or relating to electric motor control systems : en
  • US2573971A - Front end rake means for tractors : en
  • GB660539A - Improvements in or relating to dynamo-electric hand lamps : en
  • US2574355A - Hydrogenation process : en
  • DE1630304U - STOCKING. : de en
  • DE819637C - Windscreen, especially for motor vehicles : de en
  • DE819981C - Actuating device for the switching clutch of stirring and beating machines : de en
  • FI25446A - Exemption from the common market for non-commercial use : en fi
  • GB660530A - Improvements in or relating to pneumatic balloon-tyred wheels : en
  • DE1630536U - CIGARETTE BOX WITH MATCHES. : de en
  • DE820202C - Doormat : de en
  • GB660495A - Anti-slip device for rubber-tyred tractors and the like : en
  • US2574315A - Self-unloading vehicle : en
  • US2574195A - Apparatus to expand and mount solid resilient tires on channelled wheels or rims : en
  • AU493751A - Improvements in inductor drum construction for electrical machines : en
  • FR993880A - Direction finding method and installation : en fr
  • FR993949A - Improvement in "box" construction devices for aircraft parts, automobile bodywork, boat hulls : en fr
  • GB660583A - Antibiotics : en
  • DE1630586U - SEWING AND STOPPING NEEDLE. : de en
  • DE820056C - Vacuum cleaner with sealing ring for housing parts and filter bags : de en
  • CA478231A - Manufacture of pile carpets, floor rugs and mats : en fr
  • DE1630391U - CONNECTOR FOR JOINING INDIVIDUAL FRESH BED WINDOWS TO A CONVENTIONAL GREENHOUSE. : de en
  • DE1630559U - WINTER BOOTS. : de en
  • DE819580C - Drive arrangement for optional drive of records and spoolable recording media : de en
  • DE820107C - Process for continuously displacing water from nitrocellulose with the aid of alcohol : de en
  • DE820221C - Advance for straw cutters and threshing machines : de en
  • FR993667A - Carrier body for motor vehicles : en fr
  • FR993741A - Improvements to tire casings : en fr
  • US2573994A - Film position indicator for motionpicture cameras : en
  • AT169407B - Tube mast and method of manufacturing tubular mast sections : de en
  • DE819913C - Escape cord device for building purposes : de en
  • US2573944A - Method and apparatus for feeding blanks : en
  • DE1630325U - U-SHAPED WINDOW GUIDE AND SEALING RAIL. : de en
  • DE1630410U - INSOLES MADE OF ERASED PAPER. : de en
  • DE753849C - Process for the production of higher molecular weight olefins by splitting paraffin-containing hydrocarbon mixtures in the vapor phase : de en
  • DE820157C - Circuit arrangement for securing the special switching processes for high-quality connections in telephone systems with dialer operation : de en
  • FR993906A - Panel molding machine : en fr
  • GB660629A - Improvements relating to snap action electric switches : en
  • FR993710A - Cast iron graphitization process : en fr
  • FR993897A - Process and apparatus for the electrocolloidal preparation of therapeutic or catalytic agents : en fr
  • GB660275A - Improvements in or relating to internal combustion engines : en
  • GB660500A - Improvements in milk coolers : en
  • FR993712A - Chassis for vehicles, in particular for agricultural vehicles intended to travel in rough terrain, etc. : en fr
  • FR994027A - Advanced washer for molds and containers : en fr
  • FR994034A - Improvement in the hypocycloidal motion transformer device : en fr
  • FR993645A - Device for increasing the grip of the vehicle's wheels on the ground and tool for mounting this device on the wheels : en fr
  • FR993877A - Improvement in harmonic producing systems : en fr
  • DE1630397U - CUTTER HOLDER. : de en
  • FR993618A - Improvements to air intakes for gas turbines and other internal combustion engines : en fr
  • CA478237A - Methods for preparing ligno-cellulosic fibrous material and apparatus suitable therefor : en fr
  • CA478327A - Typewriting machines : en fr