• US2342086A - Method of welding magnesium and alloys thereof : en
  • USD137269S - Combination salt and pepper dispenser : en
  • CA418381A - Waterproofing agent for bricks or stones : en fr
  • CA418455A - Indicator fuse : en fr
  • US2341646A - Combined typing-projection system : en
  • CH230989A - Installation for obstacle detection. : en fr
  • US2341564A - Wrench : en
  • US2341521A - Sheet feeding apparatus : en
  • US2341546A - Light beam projection system : en
  • ES164924A1 - A MIXER AGAINST CURRENT, APPLICABLE TO CERAMIC AND OTHER SIMILAR MATERIALS : en es
  • GB559445A - Windshield wiper and control : en
  • US2341840A - Thread control : en
  • GB559318A - Improvements relating to electric discharge lamps : en
  • GB559386A - Improved unspillable vent, particularly for secondary cells : en
  • US2341582A - Machine for cutting edibles : en
  • US2341650A - Toroidal coil winding machine : en
  • US2341816A - Rubber stripping machine : en
  • US2341988A - Power stitcher : en
  • US2341607A - Cardboard cover for wire coat hangers : en
  • US2341990A - Electric discharge device : en
  • US2341573A - Method of sealing earth formations : en
  • US2341926A - Lathe chuck : en
  • FR890789A - Synchronized converter unit for direct current arc welding : en fr
  • US2341983A - Index device : en
  • CA418369A - Convertible bathing apparatus : en fr
  • FR890786A - Construction method making it possible to obtain in the premises, at will and in all seasons, the desired temperature, transmitted by the walls : en fr
  • CH231001A - Electric truck. : en fr
  • US2341651A - Process and apparatus for continuously producing plastic masses : en
  • FR890742A - Advanced mold for retreading tires : en fr
  • FR890757A - Apparatus for the continuous execution of reaction and separation operations taking place in parallel : en fr
  • BE451953A - : en fr
  • GB559385A - Improvements in and relating to the manufacture of organic sulphur compounds : en
  • AU1304944A - Improvement infrequency stabilization : en
  • CA418399A - Paper machine control system : en fr
  • AU787142A - Means for automatically controlling an electrically driven winding gear : en
  • CA418372A - Bed comforter : en fr
  • CH230898A - Process for removing the residual acid remaining in the hydrolysis juices after the acid hydrolysis of protopectin-containing starting materials before evaporation to pectin extracts. : de en
  • CA418442A - Conveyer belt training device : en fr
  • FR890760A - Production process for ethers-salts : en fr
  • CH230945A - Hydraulic hacksaw. : en fr
  • US2342053A - Bulk fruit weigher : en
  • FR890613A - Torsion dynanometer : en fr
  • AU777442A - Improvements in disconnectible means for coupling loads to parachutes : en
  • US2341788A - Manifold set : en
  • US2341795A - Planter : en
  • US2342033A - Indexing and layout jig : en
  • US2342071A - Variable speed transmission : en
  • FR890849A - emulsifier : en fr
  • USD137292S - Airplane propeller : en
  • US2341694A - Carburetor : en
  • US2341899A - Collapsible wardrobe cabinet : en
  • ES164619A1 - PROCEDIMEINTO TO OBTAIN THE MAXIMUM CONCENTRATION OF BROMO IN THE LEAVES COMING FROM THE WATERS OF THE SEA : en es
  • FR890673A - Method and device for securing tubing or the like in a waterproof manner in thin walls : en fr
  • GB559436A - Improvements in the direct cooling of aircraft engines : en
  • US2341571A - Bottle carrier : en
  • USRE22435E - Wing locking pin warning device : en
  • US2341843A - Shuttle checking device : en
  • ES164890A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF MEMBERS ELECTRICALLY MOLDED SEMICONDUCTORS : en es
  • ES164902A1 - IMPROVED IMPROVEMENTS IN THE PREPARATION OF SUITABLE COMPOSICIONES TO CONDUCT SEMICONDUCTOR COATINGS : en es
  • US2341558A - Marker beacon : en
  • US2341563A - Means for determining metacentric height of ships : en
  • ES164894A1 - TIMEPO SELF-RECOVERY SYSTEM IN ELECTRICAL CLOCKS : en es
  • FR890678A - Improvements to machines with two parallel cylinders with adjustable center-to-center distances driving each other : en fr
  • FR890680A - Process for dyeing mixtures of cellulosic fibers and animal fibers and products obtained by this process : en fr
  • GB559422A - Improvements in and relating to protective arrangements for electric apparatus : en
  • US2342075A - Bleaching process : en
  • US2341810A - Color comparator : en
  • ES164871A1 - MECHANISM VARIATOR ED SPEEDS : en es
  • ES164926A1 - A BICYCLE SPEED CHANGE MECHANISM : en es
  • US2341657A - Production of disinfectants and pest exterminating agents : en
  • US2341768A - Swash plate pump adjusting means : en
  • ES164851A1 - A TELECOMMUNICATION SYSTEM : en es
  • ES164853A1 - A PROCEDURE FOR ISOLATING POLYVINYL CHLORIDE : en es
  • FR890833A - Method of sensitizing silver halide emulsions containing dye formers : en fr
  • ES164981A3 - A RAW RECTIFIER LAMP OR VALVE : en es
  • ES164626A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NO. 164574 : en es
  • FR890716A - Vehicle : en fr
  • US2341886A - Filing cabinet : en
  • DK61902C - Process for the Preparation of Oxyketones and Diketones of the Dicyclohexyldialkyl Ethane Series. : da en
  • FR890648A - Apparatus designed to artificially induce respiratory movements : en fr
  • GB559339A - Improvements in hand levers : en
  • ES164846A3 - IMPROVEMENTS IN THE PHOTOGRAPHIC PROCEDURE FOR OBTAINING IDENTITY CARDS AND CERNETS : en es
  • GB559368A - Improvements relating to adjustable spanners and the like : en
  • CH231016A - Process for the preparation of dihydro-ergocristin. : de en
  • DK61914C - Thermal insulation board. : da en
  • US2341748A - Battery cable connector : en
  • US2341511A - Filler shield : en
  • CA418450A - Wet strength paper manufacture : en fr
  • US2341808A - Lathe drive : en
  • US2341572A - Method of drilling wells : en
  • US2341561A - Porous refractory : en
  • USD137306S - Design for a snow scooter : en
  • FR890661A - Push-in assembly for tubes or pipes : en fr
  • CA418407A - Electron discharge device : en fr
  • US2341620A - Needled fabric and method of manufacture : en
  • US2341645A - Tiling : en
  • US2341545A - Electrically controlled operating system for revolving doors : en
  • US2341882A - Girdle : en
  • GB559382A - Improvements in and relating to electric soldering irons and the like : en
  • ES164612A1 - IMPROVEMENTS IN THE HEADS FOR DRY SHAVING MACHINES : en es
  • CA418441A - Radio tube sealing-off machine : en fr
  • DK61909C - Device by Grating. : da en
  • GB559346A - Improvements in hydraulic valves : en
  • US2341824A - Tractor-mounted implement : en
  • US2342079A - Key-carrying device : en
  • FR890604A - Elastic coupling for high speed motors : en fr
  • GB559371A - Improvements in or relating to reinforced concrete and/or reinforced brick and concrete "pillboxes" : en
  • FR890724A - Strategy game : en fr
  • US2341681A - Slide rule : en
  • US2341631A - Clutch control mechanism : en
  • GB559348A - Improvements in an incendiary material and method of preparation thereof : en
  • US2341880A - Device for determining shrinkage in garments : en
  • US2342018A - Game apparatus : en
  • ES164936A1 - IMPROVED PERFECTIONS IN THE MANUFACTURE OF CRANES WITH BALL OR CYLINDER SETS : en es
  • FR890699A - Spinning wheel : en fr
  • US2341600A - Case for sound films : en
  • US2341959A - Piston expander : en
  • US2341560A - Abrading apparatus : en
  • US2341915A - Brake : en
  • NL55853C - Device for dissolving solids (preferably colloidal dissolving substances) by dropping them on a liquid film : en nl
  • US2341744A - Feed collet : en
  • USD137314S - Design fob a dress : en
  • US2342065A - Oednance : en
  • US2341675A - Shoe and process of making the same : en
  • US2341784A - Method of producing fillets in hollow steel propeller blades : en
  • ES164625A1 - PROCEDURE FOR OBTAINING MAGNETIC CARBONATE FROM MARINE WATERS : en es
  • US2341774A - Time mechanism : en
  • GB559343A - Improvements in or relating to compositions suitable for use as herbicides : en
  • US2341531A - Multiple inlet valve : en
  • CH231018A - Process for producing a chroman compound. : de en
  • US2341609A - Sausage machine : en
  • FR890846A - Process for using components of common cane (arundo donax), other than cellulose, possibly intended for the production of industrial cellulose : en fr
  • ES164828A1 - A PROCEDURE FOR THE MANUFACTURE OF A FABRIC THAT IMITATES THE FABRIC OF MALLS : en es
  • FR890667A - Installation of current rectifiers for high voltages : en fr
  • FR890756A - Coat racks of the kind : en fr
  • AU118101B2 - Improvements in electric cables and joints therefor : en
  • US2341825A - Method and machine for grinding tapered rollers : en
  • US2341943A - Welding transformer : en
  • FR890734A - Tool trolley for machine tools and sewing machines for single and multiple simultaneous jobs : en fr
  • ES164961A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF THE REGULATION TRANSFORMERS OF THE ELECTRICAL TENSION : en es
  • US2341533A - Pliers : en
  • US2341809A - Indicator : en
  • USD137284S - Design for a coin dispensing device : en
  • FR890697A - Rolling gear train having three or more running wheels : en fr
  • US2342035A - Filtering apparatus : en
  • NL107337B - : en
  • CH230943A - Automatic lap. : en fr
  • US2341594A - Manufacture of pregnendione from iso-pregnenolone and intermediates obtained thereby : en
  • US2342092A - Axle bearing seal : en
  • GB559365A - Improvements in cultivators and like land working implements : en
  • CH230966A - Arrangement for replaceable fastening of an electrical device with a cylindrical housing on a device board-like carrier. : de en
  • US2341752A - Electron discharge device : en
  • US2341756A - Clutch control means : en
  • US2341827A - Optical unit : en
  • CA418367A - Paper processing : en fr
  • CA418406A - Coupling loop : en fr
  • US2341956A - Patch applying mechanism : en
  • ES164892A1 - TELECOMMUNICATION SYSTEM : en es
  • FR890637A - Screw-on piston fountain pen holder : en fr
  • US2341658A - Projector : en
  • US2341940A - Selective fluid valve : en
  • US2342063A - Method for treating fruit : en
  • DK61903C - Wear-resistant interchangeable raceway for revolving bodies, in particular rail wheels, and procedure for replacement of the same. : da en
  • CA418380A - Fruit and vegetable processing : en fr
  • US2341727A - Gas analysis apparatus : en
  • AU815743A - Process and apparatus forthe production of wax sheets : en
  • CA418463A - Cellulose ester production : en fr
  • CH230876A - Process for operating industrial furnaces, in particular shaft furnaces and rotary kilns. : de en
  • FR890777A - Fabric covered button : en fr
  • GB559427A - Pocket-books, note-cases, hand-bags, cigarette-cases, purses and the like articles made of braid work and procedure to manufacture the same : en
  • US2342010A - Vehicle signal : en
  • US2342036A - Connecting rod lubrication : en
  • FR890842A - Shoe sole and its manufacturing process : en fr
  • US2341866A - Lighter for mechanized equipment : en
  • US2341834A - Recording galvanometer : en
  • USD137291S - Design for a bomb extinguishing device : en
  • GB559317A - Improvements in or relating to variable speed gears : en
  • US2341731A - Wire coating apparatus : en
  • GB559381A - Improvements in means for measuring forces acting on a wire-drawing die : en
  • CH230870A - Process for the production of plate-shaped pressed bodies using scatterable pressed material. : de en
  • GB559378A - Improvements in or relating to centrifugally operated clutches : en
  • CH230969A - Electromagnetic relay. : en fr
  • GB559329A - Method of treating fibres, yarns or fabrics of glass : en
  • FR890713A - Process for improving industrial thermal cycles : en fr
  • GB559316A - Improvements in or relating to cathode ray tubes : en
  • US2341677A - Cylinder sleeve tool : en
  • US2341728A - Brush and process for forming the same : en
  • US2341790A - Grate shaking mechanism : en
  • US2341894A - Washing machine : en
  • FR890706A - Method and device for the preparation of a liquid fuel for subsequent combustion : en fr
  • GR10228B - SHOES GIVING RESISTANCE TO THE SHORT TERMS. : el en
  • ES164872A3 - NEW PREOCEDURE FOR THE MANUFACTURE OF ARTIFICIAL LEATHERS AND SKINS AND SIMILAR MATERIALS : en es
  • US2342080A - Conversion of hydrocarbons : en
  • FR890840A - Ignition moment adjustment device of ignition magnetos : en fr
  • GB559336A - An improvement in or relating to land-levelling or earth-moving appliances : en
  • ES164965A1 - CONNECTION PROVISION TO DELETE NOISES AND CHASSIS : en es
  • ES164639A1 - AN APPLICABLE SWITCH SYSTEM FOR TEMPERATURE REGULATION : en es
  • ES164836A1 - A NEW SYSTEM FOR THE CONSTRUCTION OF FLEXED ELEMENTS OF ARMED CONCRETE LIGHTED AND WITHOUT AUXILIARY FORMWORK : en es
  • US2341800A - Method and means for ventilating and fertilizing soil : en
  • US2341509A - Viscose solution : en
  • FR890824A - Electric current switch operated by an eccentric shaft : en fr
  • ES164979A1 - IMPROVEMENTS IN QUICK COUPLINGS FOR CARRIER CABLES OF AIRWAYS OR CABLE TRANSPORTATION : en es
  • FR890797A - Pallet beam for machines intended for brewing, disintegrating and exhausting spent grains : en fr
  • FR890825A - Small armature switch motor without winding : en fr
  • US2341771A - Air cleaner : en
  • FR890738A - Method for characterizing the different transmitters of a group of transmitters used for navigation : en fr
  • ES164932A1 - A PROCEDURE OF TEMPLE OF ALLOYS AND THE OBJECTS OF TEMPERED ALLOYS ACCORDING TO THIS PROCEDURE : en es
  • US2341954A - Current transformer : en
  • US2341763A - Silo and silo spacer bar : en
  • FR890790A - Sulfur smelting process : en fr
  • GB559434A - Improvements in the welt turning mechanism of straight-bar knitting machines : en
  • FR890761A - Anti-interference induction coil : en fr
  • FR890650A - Powdered glue and its manufacturing process : en fr
  • US2341624A - Speed-responsive regulator for hydraulic gears : en
  • GB559341A - Improvements in or relating to the swaging or clamping of sleeve members, more particularly for hose connections : en
  • GB559297A - Production of dienes : en
  • ES164837A1 - A PROCEDURE FOR MANUFACTURING AN ELECTROLYTIC DEVICE, IN PARTICULAR AN ELECTROLYTIC CONDENSER : en es
  • FR890636A - Thomas steel stamping thin sheets : en fr
  • GB559324A - Improvements in monitors for fire hose nozzles and branch pipes : en
  • FR890750A - Process for drilling deep holes of a small diameter in articles obtained by molding plastics, and in particular hardenable plastics : en fr
  • GB559357A - Improvements in mechanism for feeding wrappers from a stack : en
  • FR890844A - electric screen : en fr
  • FR890765A - Process for broaching books without sewing them : en fr
  • US2341522A - Card index : en
  • US2341668A - Method of and machine for turning metal and the like : en
  • US2341698A - Production of liquid carbon dioxide : en
  • GB559438A - Improvements relating to telephone systems : en
  • GB559374A - Manufacture of tri-ªÐ-anisyl-bromoethylene : en
  • US2341702A - Mask structure : en
  • US2342014A - Turnover device : en
  • FR890791A - Method and device for treatments by means of ultraviolet rays, in particular for sterilization and vitaminization : en fr
  • FR890671A - Centering device for machine tools, and in particular for drills : en fr
  • FR890751A - Process for the airtight assembly of parts of glass containers : en fr
  • US2341831A - Soldering iron : en
  • US2342044A - Electric radiant energy device : en
  • CH230882A - Drafting system with two endless straps working together. : de en
  • ES164881A1 - MEJROAS INTRODUCED IN ADJUSTABLE RESONANT CIRCUITS : en es
  • DK61927C - Spring-loaded Wheel Ring, especially for Bicycles. : da en
  • FR890798A - Process for the preparation of condensation products : en fr
  • US2341765A - Compound thermostatic bulb : en
  • ES164813A3 - PROCEDURE FOR THE MANUFACTURE OF TOTALIZING DRUMS FOR METERS, CALCULATING MACHINES AND ANALOG APPARATUS : en es
  • FR890847A - Slag grate for steam generator melting chamber : en fr
  • US2341820A - Art of grinding : en
  • FR890672A - Vulcanizing equipment for tire treads : en fr
  • US2341931A - Circuit maker and breaker : en
  • FR890668A - Electrical device with trip unit or thermal relay for installations exposed to firedamp or explosions, in particular contactor in oil : en fr
  • FR890709A - Coach : en fr
  • ES164607A1 - A PROCEDURE TO CARRY OUT A THERMALLY COMPENSATED ASSEMBLY IN DILATATING THERMOR-REGULATOR APPLIANCES : en es
  • FR890685A - Process for dehydrogenation by condensation of organic combinations : en fr
  • US2341538A - System for storing and dispensing fluid pressure mediums : en
  • CA418424A - Graphical analyzing device : en fr
  • CA418459A - Liquid composition testing or controlling system : en fr
  • CH231008A - Device for the automatic connection and disconnection of reactive power generators of various sizes. : de en
  • CA418437A - Inductive coil coupling degree adjusting method : en fr
  • CH230910A - Process for making artificial fibers, films, etc. : de en
  • GB559360A - Improvement in ammonium sulfate production : en
  • GB559326A - Improvements in or relating to ball and roller bearings, particularly those for rectilinear motion : en
  • ES164929A1 - A LIGHT AIR CRANE, FREE MOVEMENT, FOR CINEMATOGRAPHIC CAMERA : en es
  • US2341678A - Aptitude tester : en
  • US2341949A - Pocket guard : en
  • US2342048A - Sanitary individual toilet seat cover : en
  • CH230997A - Device for image decomposition with mosaic electrode and cathode ray scanning. : de en
  • CH231020A - Process for producing a chroman compound. : de en
  • FR890644A - Installation for the continuous and methodical exhaustion of sweet materials : en fr
  • FR890775A - Ozone carbon black treatment : en fr
  • GB559305A - Improvements in or relating to fluid pressure brakes : en
  • CH231019A - Process for producing a chroman compound. : de en
  • US2341578A - Tool for removing railway ties : en
  • US2341832A - Apparatus for introducing fluid into openings : en
  • US2341586A - Wet spinning of cellulose acetate : en
  • US2341619A - Lathe attachment : en
  • US2341654A - Wrench : en
  • ES164605A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SHAVING MACHINES : en es
  • GB559377A - Improvements in or relating to power supply systems for carrier communication systems : en
  • US2341773A - Identification badge : en
  • US2341908A - Door handle assembly : en
  • US2341909A - Parachute harness webbing puller : en
  • CA418373A - Hypodermic needle joint : en fr
  • ES164861A1 - A PROCEDURE FOR THE OBTAINING OF NEW TEXTILE ARTICLES BASED ON SPERPOLIAMIDAS : en es
  • FR890809A - Process for manufacturing vibrated masses for foundry cores and binder for these masses : en fr
  • DK61912C - Method and apparatus for making tavers of molten glass and other substances which are plastic in the heat. : da en
  • CA418427A - Electrical conductor joint : en fr
  • CA418389A - Container sealing and marking apparatus : en fr
  • US2341792A - Catalytic treatment of hydrocarbons : en
  • CA418422A - Cobalt resinate production : en fr
  • US2341947A - Chuck : en
  • US2341856A - Match packet protector : en
  • US2341997A - Airfoil : en
  • ES164624A1 - PROCEDURE FOR THE OBTAINING OF FINE SALT VACUUM TYPE OF MARINE WATERS : en es
  • FR890800A - Desk calendar : en fr
  • CH230991A - Device for voting display. : de en
  • US2342021A - Apparatus for making pierced forged hubs and the like : en
  • USPP616P - Eose plant : en
  • CA418423A - Multiplying device : en fr
  • CH230879A - Four-legged table. : de en
  • CH231007A - Welding blade. : de en
  • CA418438A - Pipe cleaning cutter : en fr
  • CH231025A - Process for preparing para-aminobenzenesulfamido-2-isopropyl-5-thiodiazol-1,3,4. : en fr
  • CH231006A - Support for a bicycle. : de en
  • AU637842A - Improvements in and relating to flexible hose couplings : en
  • CH230953A - Monitoring device for conveyor drives. : de en
  • US2341661A - Tool and holder therefor : en
  • US2342057A - Synchroscope : en
  • US2341608A - Fastener means for bands and the like : en
  • US2342040A - Conveyer : en
  • US2341736A - Power set flowmeter : en
  • USRE22437E - Conveying apparatus : en
  • CH230994A - Tuning device for transmitters of decimeter waves. : de en
  • AU824043A - Method and means for preventing the infection of ale, beer or stout by yeasts or yeast-like organisms : en
  • AU1309244A - Improvements in tuning devices for radio circuits : en
  • CA418382A - Game : en fr
  • US2341539A - Loud-speaking telephone system : en
  • US2341755A - Dual wheel assembly : en
  • CA418414A - Paper web coating process : en fr
  • US2341911A - Reversible and angular control for propellers : en
  • CH230949A - Safety razor. : de en
  • ES164960A1 - IMPROVEMENTS INTRODUCED IN THE MECHANISMS OF BATANADO DE TRAMA PARA TELARES : en es
  • CH230900A - Device for fine mixing of powdery, dry or moist substances. : de en
  • GB559398A - Improvements in foldable stretchers : en
  • CA418421A - Reflector : en fr
  • CH230961A - Gas turbine. : de en
  • US2341955A - Display box : en
  • IE16555L - Abrasive tools : en
  • US2341789A - Cooling system for internal combustion engines : en
  • USD137294S - Design for a beach sandal or similar article : en
  • GB559342A - Riveting yoke : en
  • FR890660A - Manufacturing process of hollow filter bodies in artificial material : en fr
  • FR890683A - Improvements to turning lathes : en fr
  • GB559309A - Improvements in and relating to radiators for cooling fluids : en
  • CA418394A - Dust tight blower : en fr
  • FR890805A - Gear changing device, in particular for motor vehicles : en fr
  • FR890630A - Non-return valve for lubricating oil delivery pumps of internal combustion engines, in particular aircraft engines : en fr
  • ES164974A1 - PROCEDURE FOR THE MANUFACTURE OF STRUCTURED SHEETS, WITH A COATING WATERPROOF TO THE PENETRATION OF WATER VAPOR AND RESISTANT TO WATER AND COOKING : en es
  • GB559315A - Improvements relating to metal vapour electric discharge lamps : en
  • US2341754A - Doll swing : en
  • FR890831A - Brown iron oxide pigments and process for their preparation : en fr
  • US2341597A - Window guide installation : en
  • US2341811A - Steering knuckle : en
  • US2341973A - Package coin inserting machine : en
  • US2341570A - Bottle carrier : en
  • US2341590A - Paper ring mirror : en
  • US2341638A - Power engine plant : en
  • US2341703A - Phonograph : en
  • USD137309S - Design for a textile fabric : en
  • US2341666A - Film developing apparatus : en
  • US2341958A - Regulating transformer : en
  • FR890837A - Masonry for tubular fireplace walls : en fr
  • US2342085A - Signal device : en
  • CH230877A - Gasifier. : en fr
  • US2341700A - Ice tray : en
  • US2342072A - Halogenation of cyclopentane hydrocarbons : en
  • DK61934C - Safety mechanism for short automatic firearms of the gas pressure charger type. : da en
  • CA418396A - Circuit interrupter : en fr
  • CA418448A - Saturated tertiary hydrocarbon and olefin reaction : en fr
  • CH230907A - Process for the production of a metal-containing dye. : de en
  • US2341715A - Masking apparatus : en
  • FR890617A - Device for securing interior fittings of combustion chambers and nozzles in internal combustion engines : en fr
  • US2342006A - Projectile device : en
  • FR890719A - Process for the production of silver powder and device for carrying out the process : en fr
  • US2341733A - Chemical process : en
  • US2342020A - Spring balancer : en
  • ES164862A1 - A PROCEDURE FOR THE OBTAINING OF ARTIFICIAL RESINS DESTINED TO THE CEMENT OF TEXTILE MATERIALS : en es
  • GB559302A - Improvements in or relating to ª‡-galacturonic acid and ª•-galactonic acid and derivatives thereof : en
  • GB559351A - Improvements in and relating to cutterheads for woodworking and like machines : en
  • FR890643A - Further training in load compensators : en fr
  • FR890676A - Apparatus for mechanically separating and bringing to the place of machining rod-shaped parts intended to be notched : en fr
  • US2341995A - Process for the dehydrogenation of liquid and gaseous petroleum hydrocarbons : en
  • GB559328A - Improvements in apparatus for the addition of an inert gas to the fuel and air mixture supplied to internal combustion engines : en
  • GB559311A - Improvements in or relating to sliding clasp fasteners : en
  • US2341628A - Workbench for welding jobs and the like : en
  • US2341636A - Web feed roll : en
  • US2341796A - Gauge for adjusting brakes : en
  • US2341762A - Container : en
  • GB559300A - Improvements in and relating to spirit filters : en
  • GB559408A - An improved device for clamping overlapping perforated sheets and the like : en
  • ES164601A1 - IMPROVEMENTS INTRODUCED IN THE ELECTRICAL REGULATORS OF THE TYPE OF CARBON PILE : en es
  • ES164952A1 - COMPOUND EXCITATION SYSTEM IN ALTERNATE CURRENT GENERATORS WITH PERMANENT MAGNETS : en es
  • FR890801A - Heating vessel of material with the part exposed to heat corrugated : en fr
  • USD137280S - Design for a hobbyhorse : en
  • US2342011A - Furnace for heating fluids : en
  • CA418445A - Chicken brooder : en fr
  • FR890818A - Electro-magnetic player for phonographic recording : en fr
  • US2341775A - Ratchet wrench : en
  • CH230903A - Process for the production of complex organic products of high molecular weight. : en fr
  • US2342031A - Land cultivating apparatus : en
  • ES164916A1 - A PROCEDURE FOR THE OBTAINING OF GRAMA ROOT FLOUR AND ITS PLANT : en es
  • US2342027A - Inhibited oil : en
  • CH231004A - Bicycle lock. : de en
  • CA418457A - Wire surface conditioning apparatus : en fr
  • CH230932A - Method and device for the automatic, metered supply of chemicals to liquid flowing through a line. : de en
  • CA418402A - Coil section winding machine : en fr
  • GB559432A - Improvements in and relating to fire-pots for boiler and other furnaces : en
  • US2341849A - Display package : en
  • ES164955A3 - A COOKIE MACHINE, APPLICABLE TO THE MANUFACTURE OF CERAMIC PRODUCTS AND OTHERS SIMILAR : en es
  • US2341707A - Wire supply mechanism : en
  • US2341971A - Sectionally supported wall : en
  • FR890653A - Timing device for injection molding machine : en fr
  • GB559391A - Rotary pumps : en
  • ES164942A1 - WATER PUMP WITH BALL BEARING FOR EXPLOSION ENGINES : en es
  • FR890608A - Cover for hole in the hob of a kitchen stove : en fr
  • GB559356A - Improvements relating to abrasive wheels : en
  • FR890679A - Vinyl chloride synthesis process : en fr
  • US2341925A - Container closure : en
  • ES164824A1 - IMPROVEMENTS IN THE CONSTRUCTION OF THREE-PHASE OR POLYPHASIC OVENS : en es
  • US2341970A - Cable clamp : en
  • US2341612A - Door frame : en
  • US2341729A - Portable washing apparatus : en
  • GB559335A - Improvements in and in connection with the baking of sponge cake and the like food material : en
  • US2341741A - Circular : en
  • CH230960A - Turbine wheel and process for its manufacture. : de en
  • ES164829A1 - SOME IMPROVEMENTS IN FIBRO CEMENT PRESSURE PIPES : en es
  • CH230878A - Device for controlling the chimney draft from combustion devices. : de en
  • CA418393A - Carpet sweeper : en fr
  • US2341709A - Valve : en
  • US2341680A - Piston means for gas-operated firearms : en
  • CA418426A - Snap-on trim structure : en fr
  • CH230921A - Typewriter with hinged and removable cover. : de en
  • US2341778A - Linoleum rack : en
  • CH230957A - Starting device for large internal combustion engines. : de en
  • CH230923A - Facility for showing films. : de en
  • US2341613A - Cord assembling apparatus : en
  • US2341805A - Recovery of zinc : en
  • AU121964B2 - Improvements in feedback control arrangements for coupled tuned circuits : en
  • CA418395A - Electric switchgear : en fr
  • DK61907C - Device for electrical appliances. : da en
  • GB559442A - Improvements in tool-holders for lathes and other metal cutting mechanisms : en
  • US2341724A - Coffee : en
  • US2341979A - Decoration : en
  • US2342008A - Electric regulator : en
  • CH230902A - Process for de-ironing iron-rich aluminum minerals. : de en
  • ES164635A2 - IMPROVEMENTS IN THE PROCEDURE FOR OBTAINING NEW PRODUCTS DERIVED FROM SULFAMIDES, OBJECT OF THE MAIN PATENT : en es
  • CH230954A - Blade for turbines driven by elastic pressure medium, especially steam turbines. : de en
  • CA418429A - Conveying apparatus : en fr
  • CH230952A - Resilient body. : de en
  • CH230887A - Pedal device on sewing machine built into a piece of furniture. : de en
  • DK61916C - Wood splitting machine. : da en
  • US2341872A - Household refrigerator with distilled water dispenser : en
  • US2342007A - Method and apparatus for treating washed potatoes : en
  • US2342083A - Brake mechanism : en
  • US2341845A - Container and method of making the same : en
  • US2341867A - Treatment of plant buds : en
  • CH230896A - Process for the production of a soluble, long-life milk protein product in powder form. : de en
  • CA418432A - Electric heater : en fr
  • CH230931A - Measuring device for checking bores, especially triangular and polygonal bores. : de en
  • CA418451A - Hood control for motor cars : en fr
  • US2341874A - Manufacture of turbine oils : en
  • DE747943C - Silencer, especially for internal combustion engines with several chambers connected in series : de en
  • FR890815A - Process for refining fibrous materials : en fr
  • DK61915C - Procedure in the manufacture of composite boards and dies for use in the process. : da en
  • US2341726A - Motor vehicle : en
  • GB559332A - Improvements in and relating to printing formes : en
  • GB559439A - Improvements in steam and other vapour generators : en
  • FR890754A - Electrical installation whose pipes are laid in the plaster : en fr
  • US2341627A - Printing machine with rotatable stencils and automatic ink supply : en
  • CA418428A - Process cheese : en fr
  • US2341821A - Handle-bar cushion structure : en
  • ES164614A1 - IMPROVEMENTS INTRODUCED IN DRY SHAVING MACHINE HEADS : en es
  • CA13637S - Emblem : en
  • US2341528A - Vehicle coupler : en
  • US2341618A - Apparatus for inflating hollow articles : en
  • US2341674A - Method of shot-blasting coil springs : en
  • CH231011A - Process for the preparation of B- (p-oxyphenyl) -isopropyl-ethylamine. : de en
  • FR890722A - Process for strengthening the noble metal coating of ceramic objects : en fr
  • FR890804A - Manufacturing process of wooden soles : en fr
  • GB559296A - Improvements relating to ointments : en
  • AU118082B2 - Prevention of distortion : en
  • CA418433A - Plasticized polyvinyl acetal resin : en fr
  • CH230940A - Cutting tool and method of making the same. : de en
  • ES164990A1 - IMPROVEMENTS IN THE CONSTRUCTION OF PHOTOGRAPHIC EQUIPMENT FOR EXTENSION, PROJECTION AND REPRODUCTION : en es
  • CH230955A - Free piston machine. : de en
  • FR890687A - Manufacturing process of a cement mortar that sets quickly : en fr
  • GB559345A - Improvements in or relating to impact members and impact crushers employing such members : en
  • CA418378A - Boat lowering gear : en fr
  • US2341567A - Process for removing fluorine from hydrocarbon distillates : en
  • US2341918A - Method of removing mercaptans from hydrocarbon oil : en
  • ES164825A3 - A PROCEDURE FOR PROTECTING THE RUBBING SURFACES OF PLUNGERS IN EXPLOSION ENGINES : en es
  • US2341517A - Water supply system : en
  • US2341671A - Centrifugal dust separator : en
  • ES164602A1 - IMPROVEMENTS INTRODUCED IN LIQUID COUNTERS OF VOLUMETRIC TYPE : en es
  • FR890736A - Improvements to very shortwave transmission devices : en fr
  • FR890689A - Improvements to manufacturing processes for seamless cylindrical screens for electric discharge vessels : en fr
  • US2341659A - Toolholder : en
  • FR890811A - Process for the manufacture of thickening agents, susceptible to being wetted, for dry cells : en fr
  • FR890764A - Process for the preparation of condensation products : en fr
  • FR890808A - Mirror reflection camera : en fr
  • GB559395A - Method of soft-soldering aluminium : en
  • FR890767A - Heating resistance for irons : en fr
  • GB559410A - Improvements in sequence valves : en
  • ES164940A1 - PUMP FOR THE PROPULSION OF A STRETCHER NEEDLE : en es
  • US2341975A - Sewing machine bed : en
  • GB559394A - Improvements in and relating to photographic processes : en
  • US2341529A - Chuck construction : en
  • ES164876A1 - A PROCEDURE FOR THE OBTAINING OF 2- (P-AMINOBENCENO SULFONAMIDA) TIAZOL EXEMPT FROM RESINOUS SUBSTANCES : en es
  • FR890640A - Method of direct rectification of ternary azeotropic mixtures and in particular of the azeotropic mixture, ethyl acetate, water, ethyl alcohol : en fr
  • ES164617A1 - PROCEDURE FOR OBTAINING MAGNETIC CHLORIDE FROM MARINE WATERS : en es
  • ES164841A1 - A PROCEDURE TO REFREGE THE SAVING OF CERALS OR FOR OTHER SIMILAR APPLICATIONS : en es
  • FR890752A - Contact device for establishing and breaking an electric current : en fr
  • US2341534A - Rein-pull recorder : en
  • US2341705A - Indexing mechanism : en
  • CH230987A - Telecommunication system. : de en
  • AU724142A - Rust-preventive compositions : en
  • US2341537A - Pivotal mounting for draftsmen's drawing boards on draftsmen's drawing tables : en
  • US2341935A - Telegraph apparatus : en
  • US2341962A - Refrigeration apparatus : en
  • US2341932A - Protective system : en
  • ES164976A1 - CONNECTION PROVISION FOR THE AUTOMATIC ADJUSTMENT OF A CONTINUOUS SERVICE VOLTAGE OF A PUSH-PULL AMPLIFIER IN SERVICE B A AB : en es
  • US2341623A - Apparatus for the loosening of matted fibrous materials : en
  • US2341836A - Piston : en
  • USD137266S - Combined display and shipping container : en
  • CA418458A - Solenoid construction : en fr
  • US2342094A - Welding apparatus : en
  • AU1308144A - Improvements relating to spools for photographic films : en
  • AU1252544A - Improvements in or relating to couplings for flexible pipes : en
  • US2341592A - Piston : en
  • US2342002A - Hydraulic transmission : en
  • NL56606C - : en
  • US2341686A - Presser foot for sewing machines : en
  • US2341769A - Method of regenerating curing brine : en
  • US2341785A - Dual oil control device : en
  • CH230929A - Measuring gauge with a stylus and electrical contacts interacting with it. : de en
  • AU118091B2 - Means for automatically controlling an electrically driven winding gear : en
  • CH230908A - Process for the production of fragrance mixtures. : de en
  • CH230976A - Time-of-flight tube with a cavity resonator excited by a density-modulated electron beam. : de en
  • CH230979A - Surgical tourniquet. : en fr
  • US2341588A - Totalizer : en
  • CH230967A - Device for supporting at least one conductive bar. : en fr
  • CH230992A - High frequency circuit with an electron multiplier tube. : de en
  • US2341616A - Convertible furniture : en
  • ES164839A3 - A WAVE WIDTH LIMITING APPARATUS : en es
  • ES164845A1 - IMPROVEMENTS IN THE REGULATORS-REDUCERS FOR THE SUPPLY OF LUMINOUS TUBES : en es
  • ES164850A1 - A PRESS FOR PRESSING CARTON AND SIMILAR PACKAGING : en es
  • CA418420A - Geo-electric and seismic apparatus : en fr
  • US2341559A - Abrading apparatus : en
  • US2341737A - Nailing machine : en
  • CH230963A - Electric boiler. : en fr
  • USD137298S - Design for a teleray signaling device : en
  • US2341901A - Circuit controller : en
  • US2341980A - Device for combustion of solid fuel : en
  • CA418365A - Dual wheel assembly : en fr
  • AU721742A - Improvements in machines for cooking, dehydrating and/or cooling foodstuffs or industrial products : en
  • USPP617P - Rose plant- : en
  • US2341735A - Method and composition for treating yarns and fabrics : en
  • US2341819A - Draft regulator for orchard heaters : en
  • US2341746A - Telephone system : en
  • DK61906C - Ceramic Long Bar Insulator. : da en
  • FR890729A - Rotating vane for turbo-machines : en fr
  • CH231024A - Process for preparing para-aminobenzenesulfamido-2-ethyl-5-thiodiazol-1,3,4. : en fr
  • CA418398A - Paper machine control system : en fr
  • CA418400A - Electron microscope : en fr
  • CH230917A - Means for degreasing respectively. De-oiling of metals. : de en
  • DK61908C - Discharge tubes, in particular electron tubes, with ceramic closure. : da en
  • FR890788A - Process for improving the properties of polycondensation products : en fr
  • GB559384A - Improvements in and relating to the manufacture of organic sulphur compounds : en
  • USD137275S - Design for a padlock : en
  • FR890691A - Process for preparing milk protein products and products resulting therefrom : en fr
  • FR890774A - Improvement in control strips for variations in light intensity in cinematographic film machines : en fr
  • ES164969A1 - IMPROVEMENTS IN THE CONSTRUCTION OF OVENS AND CHIMNEYS : en es
  • US2341569A - Abrasive gun : en
  • US2341684A - Apparatus for lacing moccasin collars : en
  • CH230982A - Sleeping pillow. : de en
  • AU122285B2 - Improvements in tuning devices for radio circuits : en
  • US2342088A - Pump : en
  • US2342066A - Powder container for dispensing insecticide on dogs and similar animals : en
  • GB559364A - Improvements in and relating to clocks with phonetic time-indicating devices : en
  • GB559443A - Improvements in and relating to sleeping and like bags for infants and young children : en
  • FR890659A - Processes and installation for supplying internal combustion engines with alcohol or other fuels : en fr
  • US2341535A - Process for improving tobacco : en
  • US2341941A - Vacuum discharge device : en
  • FR890612A - Improvements made to the silks used for fly fishing for trout : en fr
  • GB559353A - Improvements in or relating to valve stems : en
  • ES164830A1 - A NEW PROCEDURE FOR THE TRANSMISSION OF THE ELECTRICAL CURRENT TO THE MOBILE ALLOY OF ELECTRODYNAMIC OSCILLOGRAPHIES : en es
  • ES164913A3 - IMPROVEMENTS IN THE MANUFACTURE OF SHAVERS : en es
  • CA418467A - Tractor spur cleaning device : en fr
  • FR890731A - Incandescent electric lamp filled with one or more rare gases : en fr
  • GB559301A - Process for producing tablets from fruit or vegetable juices : en
  • GB559354A - Improvements in and relating to self-priming centrifugal pumping apparatus : en
  • FR890701A - Goniometer : en fr
  • FR890796A - Process for preparing ascorbic acids : en fr
  • ES164879A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF SEMICONDUCTOR MATERIALS : en es
  • FR890812A - Improvements to electric motor control systems : en fr
  • GB559405A - Improvements relating to pipe joints : en
  • ES164616A1 - PROCEDURE FOR THE OBTAINING OF CALCIUM CHLORIDE FROM THE MARINE SAGUAS : en es
  • FR890625A - Cylinder block combined by several longitudinal sections, especially for internal combustion engines : en fr
  • GB559299A - Improvements in or relating to finishing treatment of leather : en
  • ES164867A1 - A PROCEDURE FOR OBTAINING COLOIDAL GRAPHITE : en es
  • GB559415A - An improved filling device for electric accumulators : en
  • US2341655A - Variable reactance : en
  • US2341699A - Fkiction shock absorbing mechanism : en
  • US2341994A - Calcium sulphate pigment and method for preparing the same : en
  • CH230978A - Method for applying a rust protection agent to the inner surfaces of containers, in particular gas containers, and apparatus for carrying out the method. : de en
  • FR890827A - Manufacturing process of agglomerated magnetic iron cores for casting molds : en fr
  • US2341891A - Dihydroxy-monoarylaminoanthraquinones and a process for preparing them : en
  • US2341579A - Valve assembly : en
  • US2341972A - Swaging machine : en
  • US2341598A - Fastening device : en
  • FR890746A - Tray filter with pre-chambers to regulate liquid flow : en fr
  • US2341942A - Lamp shade : en
  • ES164980A3 - AN IMPROVEMENT IN THE MANUFACTURE OF LEAD ACCUMULATORS : en es
  • US2341568A - Message tabulating apparatus and system : en
  • US2342001A - Pressure regulator : en
  • US2341913A - Adjustable cutter bar : en
  • FR890642A - Motor vehicle upgrades : en fr
  • FR890717A - Cabling machine, in particular for cabling telecommunications conductors : en fr
  • US2341556A - Flexible bellows : en
  • US2341665A - Shearing device : en
  • DK61933C - Cartridge ejector for firearms. : da en
  • FR890778A - Band for verdol mechanics : en fr
  • FR890783A - Electrical switch, in particular removable short-circuit limiter : en fr
  • FR890629A - Method and device for making vinegar : en fr
  • GB559426A - Isomerization of paraffin hydrocarbons : en
  • US2341921A - Turbo transmission : en
  • ES164621A1 - PROCEDURE FOR THE OBTAINING OF CABOGITA OR POTASSIC SALT (MIXED SALT) : en es
  • FR890601A - Composition replacing antifriction metal : en fr
  • FR890666A - Inductance with agglomerated cores in several parts, advantageously in terms of high permeability : en fr
  • FR890694A - Automatic drawing and coloring method using a prepared canvas : en fr
  • FR890624A - Device for moving the seeding shaft for reversing the direction of rotation of motors : en fr
  • DK61929C - Front fork locking device for bicycles. : da en
  • FR890704A - Improvements to contact rectifiers : en fr
  • ES164957A1 - A PROCEDURE TO ENRICH MOLIEDA MATERIALS WITH ELEMENTS DRESS : en es
  • FR890814A - Separator for metal extrusion presses, to separate unspun metal residues from the die : en fr
  • GB559331A - Improvements in or relating to electron discharge devices such as cathode ray tubes : en
  • GB559370A - Improvements in packing cases, crates and the like : en
  • ES164914A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NO. 163373 : en es
  • US2341697A - Production of liquid carbon dioxide : en
  • US2341637A - Method of constructing or building bonded laminated mica insulation : en
  • USD137271S - Design fob an embroidered lace : en
  • USD137312S - Wood motor car : en
  • ES164615A1 - PROCEDURE FOR OBTAINING MAGNESIUM AXHYDRATE FROM MARINE WATERS : en es
  • ES164632A1 - NEW PREFACE FOR THE MANUFACTURE OF ARTIFICIAL MARBLE : en es
  • FR890662A - Controlled differential : en fr
  • US2341798A - Garment : en
  • USD137310S - Textile fabric or similar article : en
  • US2341641A - Gun actuator : en
  • US2341723A - Treatment of gkeen coffee : en
  • US2342097A - Engine starter gearing : en
  • US2341630A - Paper feeding means : en
  • CH230880A - Process for pre-twisting the yarn on double-sided spinning machines with spindles arranged opposite one another. : de en
  • ES164870A2 - AN IMPROVEMENT IN THE OBJECT OF THE MAIN PATENT NO. 159156 : en es
  • FR890655A - Air motor for driving automobile windshield wipers : en fr
  • US2341853A - Tractor attachment : en
  • US2342087A - Ear shield and acoustic transmitting device : en
  • CA418447A - Saturated tertiary hydrocarbon and olefin reaction : en fr
  • FR890838A - New derivatives of sulfamic acids : en fr
  • US2341890A - Folding ladder and shiftable platform for floating type tank roofs : en
  • US2341770A - Covering wheel : en
  • US2341783A - Complete well screen : en
  • FR890762A - Centrifugal actuator time delay fuze : en fr
  • FR890620A - Carburetor engine with an injection device for operation, optionally with carburetor or injection, in particular to facilitate starting of automobile engines : en fr
  • FR890841A - Gas engine mixer : en fr
  • US2342004A - Simplex street guide : en
  • ES164856A1 - A PROCEDURE WITH THE CORRESPONDING APPARATUS TO DEFINE THE RETAMA : en es
  • US2341837A - Switch : en
  • US2341583A - Luminescent or phosphorescent coating material : en
  • US2342026A - Method of contouring sheet metal : en
  • US2341976A - Punch : en
  • GB559367A - Vibration of concrete : en
  • US2341826A - Coffee-chicory blend : en
  • US2342095A - Closure : en
  • FR890621A - Split plain bearing : en fr
  • GB559430A - A method of securely holding loom reeds : en
  • DK61910C - Automatic Release mechanism, in particular for Releasing the Connection between Regulator and Wooden hatch in a Boiler. : da en
  • CA418366A - Dual wheel vehicle : en fr
  • FR890755A - Carbon collector comprising a body of compressed material : en fr
  • FR890817A - Method and device for manufacturing insulated twisted cables by means of spacers and air gaps : en fr
  • GB559411A - Improvements in or relating to electromagnetically-operated step-by-step switches : en
  • ES164949A1 - BOGIA BAJO GORRÓN BAJO, FOR VEHICLE THAT CIRCULATES ON LANES : en es
  • CH230881A - Drafting system for textile fibers. : de en
  • AU1304444A - ,nprovements in or relating to shuttering fqr use in building structures of concrete or like material : en
  • US2341626A - Tobacco guiding machine : en
  • US2341919A - Telephone system : en
  • US2341936A - Voltage indicating circuit : en
  • US2342082A - Cash register : en
  • FR890619A - Safety fastening of the discharge valve manifold for injection pumps of internal combustion engines : en fr
  • CH230914A - Process for the production of plasticizer-containing products from polycondensates with periodically recurring CONH groups. : de en
  • CA418416A - Rotameter : en fr
  • CA418435A - Multi-unit press register means : en fr
  • US2341730A - Antifriction bearing : en
  • US2342078A - Key-carrying device : en
  • US2341803A - Fluid expansible device : en
  • US2341786A - Open type variable-speed transmission : en
  • FR890702A - Frequency scanner for radio devices : en fr
  • CA418439A - Heating apparatus for machining materials : en fr
  • DK61930C - Apparatus for braking the front wheel fork on bicycles. : da en
  • US2341595A - Refrigerating apparatus : en
  • US2341772A - Bell hoist : en
  • US2341953A - Milk tube : en
  • FR890848A - Process for improving the color fastnesses on cellulose ethers-salts matted with titanium dioxide : en fr
  • GB559435A - Improvements in or relating to stop motions for knitting machines : en
  • CH230883A - Apron stretching system. : de en
  • CH230935A - Apparatus for heating a vessel with warm air. : de en
  • ES164866A1 - A PROCEDURE FOR OBTAINING COLOIDAL GRAPHITE : en es
  • CH231026A - A process for preparing para-aminobenzenesulfamido-2-n-heptyl-5-thiodiazol-1,3,4. : en fr
  • US2341610A - Process for the manufacturing of dextro-pantothenic acid : en
  • CH230869A - Process for preparing an insecticide and anticryptogamic product. : en fr
  • CA418452A - Boot or shoe : en fr
  • CH230980A - Process for the preparation of B- (p-oxyphenyl) -isopropyl-ethylamine. : de en
  • CH230983A - Gas mask for horses. : en fr
  • AU118097B2 - Improvements in or relating to electrical measuring apparatus : en
  • USD137277S - Design for a padlock : en
  • US2341555A - Extrusion device : en
  • AU123584B2 - Improvements relating to spools for photographic films : en
  • FR890696A - Dispensing apparatus, in particular for sheets of cigarette paper : en fr
  • US2341576A - Roller skate : en
  • US2341850A - Organic compound : en
  • FR890682A - Microphone stem with cable balancing : en fr
  • US2341938A - Electric soldering device : en
  • FR890631A - Fitting of spark plugs and jets on internal combustion engines with upside-down valves in the cylinder head and operated from above : en fr
  • US2341692A - Plug valve : en
  • US2341888A - Oil refiner pack casing : en
  • DK61928C - Screen for Bicycle Saddles. : da en
  • CA418371A - Frame for processing photographic negatives : en fr
  • CH230873A - Central heating radiators. : de en
  • CA418374A - Frequency modulation facsimile transmission : en fr
  • US2341596A - Beach and bathing garment : en
  • CH230984A - A particulate filter comprising a folded endless paper belt. : de en
  • US2341854A - Resistance comparator : en
  • US2341897A - Secret panel bathing cap : en
  • USD137303S - Design fob a cutout alphabet panel : en
  • USD137276S - Design for a padlock : en
  • US2341917A - Method of removing mercaptans from hydrocarbon liquids : en
  • US2342046A - Fuel saver for internal combustion engines : en
  • US2341530A - Tacker and stabilizer therefor : en
  • US2341725A - Musical instrument : en
  • US2341656A - Draft apron : en
  • US2341690A - Printing machine : en
  • US2342032A - Spiral cutter : en
  • FR890616A - Method and apparatus for removing turpentines, pine oils, rosins, and deresinated wood from wood waste : en fr
  • US2341883A - Convertible vehicle : en
  • US2341524A - Combined machine for surface grinding and polishing glass and other materials : en
  • US2341907A - Process of removing acidic constituents from fluids : en
  • US2341981A - Shaft coupling mechanism for internal combustion engines : en
  • CA418397A - Regulating circuit : en fr
  • CH231014A - Process for the preparation of dihydroergotamine tartrate. : de en
  • US2342074A - Hydrocarbon mixture : en
  • CH230920A - Equipment on writing office machines for moving the paper cart. : de en
  • US2342069A - Safety device for infants : en
  • CH230948A - Centrifugal wheel for the cleaning agent of cast cleaning machines. : de en
  • CH230975A - Multivibrator circuit. : de en
  • US2341605A - Method of making granular, light building substances : en
  • US2341829A - Fastening means : en
  • US2341879A - Telephone system : en
  • GB559373A - Improvements in or relating to cutting dies : en
  • US2341562A - Electrical control system : en
  • US2341965A - Surge brake trailer coupling : en
  • US2341575A - Fastener : en
  • US2342077A - Electric cooking appliance : en
  • CH230897A - Process for separating the water-soluble constituents from flowable food and luxury goods. : de en
  • US2341611A - Process for the production of high polymeric condsensation products : en
  • USD137288S - Design for a finger ring : en
  • US2341519A - Portable hot line carrier current coupling device : en
  • US2342093A - Dough measuring and lump forming machine : en
  • CH230968A - Electric circuit breaker, fitted with an arc blowing device. : en fr
  • AU118081B2 - Process and apparatus forthe production of wax sheets : en
  • US2342068A - Tool : en
  • FR890686A - Process for manufacturing yarns and synthetic fibers from albuminoid products : en fr
  • CA418466A - Signal-translating system : en fr
  • CH230868A - Plant protection products and process for their manufacture. : de en
  • US2341669A - Windshield wiper motor : en
  • US2341873A - Separation of nickel from ores : en
  • US2341632A - Electric wave generator : en
  • US2341823A - Artificial filament : en
  • FR890670A - Travel disconnector : en fr
  • GB559295A - Improvements in and relating to the production of iron and steel and alloys thereof : en
  • CH230986A - Telecommunication system, in particular telephone system. : de en
  • AU627042A - Improvements in electric cables and joints therefor : en
  • US2341952A - Lace machine : en
  • CA418377A - Boat lowering gear : en fr
  • CH230911A - Process for increasing the water resistance of molded parts made from wood fiber materials. : de en
  • USD137274S - Design for a padlock : en
  • USD137308S - Textile fabric or similar article : en
  • CH230958A - Fully shielded spark plug. : de en
  • CA418409A - Pile fabric : en fr
  • AU118088B2 - Improvements in machines for cooking, dehydrating and/or cooling foodstuffs or industrial products : en
  • CA418434A - Storage battery plate treating apparatus : en fr
  • AU817043A - Prevention of distortion : en
  • FR890645A - Device for closing letters or similar applications : en fr
  • CA418405A - Brazing apparatus : en fr
  • CH230950A - Process for producing a top layer on surfaces. : de en
  • AU822443A - Opacifier and. porcelain; enamel containing thesame : en
  • FR890615A - Removable protective pad for tires : en fr
  • US2341682A - Pulverized fuel burner : en
  • US2342016A - Counter for rifle targets : en
  • CA418404A - Ignitor firing tube : en fr
  • AU118099B2 - Opacifier and. porcelain; enamel containing thesame : en
  • CA418453A - Fastening installation and fastener therefor : en fr
  • US2341898A - Ventilating device for sewing machines : en
  • ES164603A1 - PROCEDURE FOR THE OBTAINING OF PURE LIGNIN FOR THE MANUFACTURE OF SYNTHETIC RESINS : en es
  • CA418408A - Contact member and electrical device : en fr
  • CH230925A - Process for the production of printing forms for offset printing. : de en
  • GB559401A - Improvements in and relating to the laying of pipes, cables and the like in open trenches : en
  • US2341862A - Traffic signal : en
  • CH230901A - Insulating tube for cell connections in electrolyzers with electrolyte circulation. : de en
  • FR890792A - Process for purifying sweet juices : en fr
  • ES164566A1 - SOME IMPROVEMENTS IN THE MACHINES TO PHOTOGRAPH IN QUICK SERIES : en es
  • US2342038A - Automatic conveyer : en
  • CH230938A - Process for the production of objects that must have high fatigue strength. : de en
  • ES164897A1 - REVOLVING WITH DRUM OSCILLABLE OUT : en es
  • FR890766A - Elastic buffer for chip-free forming of sheet metal parts on rigid shaping tools : en fr
  • FR890802A - Leaf calendar pad : en fr
  • ES164875A3 - PERFECTED SYSTEM POWER SWITCH OR SWITCH : en es
  • FR890651A - Improved liquid fuels containing water soluble constituents or hygroscopic constituents : en fr
  • FR890745A - Distribution switchgear with periodically driven contacts, for polyphase alternating currents : en fr
  • FR890806A - Device for cooling the rear wheel tires of aerodynamically streamlined automobiles : en fr
  • FR890772A - Automatic gear change : en fr
  • US2341542A - Variable height jack : en
  • GB559409A - Improvements relating to electric gas-arc heating torches : en
  • CA418410A - Pile fabric : en fr
  • FR890769A - Wood gas generator or similar : en fr
  • ES164854A1 - A STEAM HAIR CURING APPARATUS : en es
  • ES164925A1 - AN INJECTION DEVICE FOR COMBUSTION ENGINES BY MIXING COMPRESSION, ESPECIALLY : en es
  • GB559333A - Improvements in or relating to hydraulic control systems : en
  • GB559393A - Improvements in and relating to photographic processes : en
  • ES164631A1 - NEW ARTIFICIAL MANUFACTURING PROCEDURE : en es
  • US2341906A - Door and window frame : en
  • FR890758A - Alternating current generator (single-phase or polyphase) for constant and non-adjustable voltage : en fr
  • GB559423A - High frequency antenna system : en
  • GB559312A - Improvements in or relating to combination hand tools : en
  • GR10229B - CAST METAL SALT CASE. : el en
  • US2341776A - Loader : en
  • ES164877A1 - HILAR MACHINE : en es
  • FR890821A - Method and device for landing blind airplanes : en fr
  • CH230890A - Electromotive drive of a reciprocating mass. : de en
  • ES164880A1 - IMPROVEMENTS IMPLEMENTED IN THE DRIVES OF THE REGULATOR'S REVERSE MECHANISM ACTING ON THE MOBILE WHEEL OF THE KAPLAN TURBINES : en es
  • FR890707A - Improvements made to means of connecting electrical conductors : en fr
  • US2342070A - Casket display canopy : en
  • US2341934A - Electric signaling : en
  • US2341513A - Process of coating metallic articles : en
  • US2342000A - Method and means for processing motion picture film : en
  • CH230906A - Process for the preparation of a chromable monoazo dye. : de en
  • FR890705A - Advanced lathe that can be transformed into a milling machine : en fr
  • FR890741A - Process for the preparation of 2-halogen butadienes-1. 3 : en fr
  • CH230941A - Casting process. : de en
  • DK61904C - Electromechanical, in particular electroacoustic, Converter with piezoelectric double plates. : da en
  • FR890647A - Process for the use of cellulosic raw materials with simultaneous use of the accompanying cellulose bodies which come from the extraction of cellulose : en fr
  • CH230937A - A method of manufacturing a watch case, mainly but not exclusively a wristwatch case, and a case produced by this method. : en fr
  • US2341512A - Transmission mechanism and control means therefor : en
  • CH230889A - Jacquard flat knitting machine. : de en
  • GB559321A - Improvements in or relating to "knurling" or like machines : en
  • ES164931A1 - IMPROVEMENTS INTRODUCED IN THE PRESSURE INDICATORS : en es
  • US2341691A - Mortar spreader : en
  • FR890611A - Calcium arsenate manufacturing process : en fr
  • FR890737A - Improvements to systems for adapting a tubular line to a determined impedance : en fr
  • US2341565A - Compounded oil : en
  • USD137295S - Design for a case fob a door lock : en
  • GB559306A - Manufacture of phenyl and phenylethyl malonic esters : en
  • CH230922A - Method of marking hard materials with rubber stamps using bronze powders. : de en
  • DK61919C - Engine cylinder, in particular for air-cooled Aircraft engines. : da en
  • GB559444A - Improvements in and relating to tools for turning the ends of bars or rods : en
  • FR890635A - Maintenance and lubrication system for motor vehicles : en fr
  • SE109799C1 - : en
  • US2341557A - Process of preparing ketones of the cyclopentano hydrophenanthrene series and product : en
  • CA418376A - Pleating method for drapes, etc. : en fr
  • CH230899A - Filter. : de en
  • FR890747A - Method and device for shelling and cleaning the stems of bast fibers, in particular flax : en fr
  • US2341835A - Collapsible tube : en
  • US2342051A - Nursing bottle holder : en
  • FR890708A - Tongs device for handling railway tracks : en fr
  • GB559307A - Improvements in or relating to processes for the reclaiming of fibres from wool, wool waste, woollen waste and the like : en
  • GR10230B - METHOD OF MODIFICATION OF THE ORGANOLEPTIC PROPERTIES OF BLOOD FOR THE PURPOSE OF PRODUCTION OF LIVESTOCK FOOD. : el en
  • FR890773A - Process for the production of selected images in color, using subtractive originals in several colors : en fr
  • FR890820A - Improvements to the assembly methods of sawtooth oscillations generators for television and oscillography : en fr
  • CH230993A - Adjustment device, in particular for tuning means for radio systems. : de en
  • US2341587A - Fluid pressure device : en
  • US2341830A - Plant thinning wheel : en
  • US2341817A - Sewage cutting or shredding device : en
  • US2341842A - Method of manufacturing staple fiber : en
  • US2341779A - Sector arm for weighing scales : en
  • DK61922C - Procedure for preserving green fodder. : da en
  • FR890688A - Device for the production of amides of halogenyl carbonic acids : en fr
  • GB559406A - Improvements in metal tube or pipe bending jigs : en
  • US2341547A - Pressure container : en
  • US2341701A - Ironer : en
  • ES164904A1 - A PROCEDURE FOR THE MIXTURE OF PHOTOGRAPHIC, OR TRANSMISSIBLE IMAGES, COLLECTED IN A PLANE, BUT FROM DIFFERENT SOURCES : en es
  • ES164600A1 - INDUSTRIAL PROCEDURE TO OBTAIN A FOOD PRODUCT : en es
  • ES164878A1 - IMPROVEMENTS MADE IN THE AUTOMATIC PERCUTOR TOOLS : en es
  • DK61932C - Machine for incorporating the toes of the upper on Veldtschoen footwear over a last. : da en
  • FR890641A - System for the transmission of electrical energy between a fixed part and a moving part, mechanisms and machines comprising application of this system : en fr
  • FR890787A - Device for measuring distances by means of short, medium or long electromagnetic waves : en fr
  • GB559380A - Means for reduction or suppression of dust in coal-cutting : en
  • FR890669A - Treatment of blown glass sheets in the shape of a balloon : en fr
  • CH230959A - Ignition magnet for internal combustion engines. : de en
  • FR890649A - Device for automatically interrupting the supply of electric current during operation of the public lighting : en fr
  • GB559400A - Improvements in folding beds or camp stretchers : en
  • FR890823A - Improvements to guidance devices for vehicles and, in particular, airplanes, by means of pulses : en fr
  • US2341550A - Bearing : en
  • US2341622A - Combustion chamber : en
  • US2341844A - Process for treating and reducing chromium chloride : en
  • FR890639A - Improvements to horizontal armor mechanics working at open pace : en fr
  • FR890675A - Apparatus for the mechanical separation of workpieces in the form of rods provided with a head : en fr
  • GB559298A - Improvements relating to the production of magnesium hydroxide : en
  • GB559347A - Improvements in or relating to safety equipment for stables : en
  • GB559350A - Improvements relating to hydraulic packing washers : en
  • GB559366A - Ball or roller bearing cage : en
  • FR890748A - Braun tube container : en fr
  • FR890843A - Nonlinear Low Crosstalk Multi-Carrier Communications Transmission System : en fr
  • FR890652A - Improvements to daters : en fr
  • GB559314A - Improvements in or relating to beams, columus and the like : en
  • FR890727A - Iron frame, especially for the construction of round silos : en fr
  • US2341591A - Radio instruction key : en
  • CA418418A - Phenyl o-phenoxybenzoate production : en fr
  • US2342055A - Thrust bearing : en
  • GB559319A - Improvements relating to supporting arrangements for electric circuit conductors : en
  • US2341875A - Center finding device : en
  • US2341804A - Tractor-mounted implement : en
  • US2341828A - Clamp : en
  • US2341841A - Electric power distribution system : en
  • CH231012A - Process for the preparation of B- (p-oxyphenyl) -isopropyl-ethylamine. : de en
  • FR890735A - Modulation device for klystrons : en fr
  • CH230977A - Operating lamp. : de en
  • US2341514A - Box container : en
  • US2342056A - Repair device for leaky tire inflation valves : en
  • FR890654A - Wood cutting machine : en fr
  • US2341543A - Bowl liner for gyratory crushers and means for securing it : en
  • US2341859A - Nozzle : en
  • US2341910A - Method of and machine for preblooming ingots : en
  • FR890768A - Process for passing parisons from the melting tank to the glass working area : en fr
  • GB559372A - New or improved buffing method or device : en
  • FR890714A - Watering device : en fr
  • GB559387A - Apparatus for cane rod bending : en
  • US2341584A - Shakeout station : en
  • FR890740A - Process for the production of an electric discharge tube without a base : en fr
  • GB559340A - Improvements in and relating to the driving mechanism of cycles : en
  • AU118094B2 - Antiglare shield or shade for spectacles orthe like : en
  • FR890732A - Thin-walled heated pressing plates and heated pressing molds : en fr
  • US2341877A - Sublayers for film elements and preparation thereof : en
  • US2341927A - Blade oiling device for stereotype plate shaving machines : en
  • US2341999A - Method of molding : en
  • US2341946A - Transmission : en
  • CA418401A - Radio receiver : en fr
  • CH230942A - Method and device for the production of tubular bodies. : de en
  • US2341846A - Polyhydric alcohol ethers of aliphatic polycarboxylic acid esters and their preparation : en
  • US2341857A - Fruit pitting machine : en
  • US2341639A - Card filing compartment : en
  • CH230981A - Process for making acidic conifer oil foam baths. : de en
  • US2341614A - Process for preparing capillary active substances : en
  • US2341640A - Machine for disbarking logs : en
  • CA418454A - Typewriting and accounting machine : en fr
  • US2342076A - Combined bust supporter and filler : en
  • AU593542A - Improvements in or relating to electrical measuring apparatus : en
  • US2341670A - Pipe and tool joint connection : en
  • ES164972A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF TRANSPORTABLE NORMAL BATTERIES : en es
  • GB559424A - Improvements in the construction of casings or containers for gas and like meter mechanisms and for other purposes : en
  • US2341644A - Automatic steering device : en
  • CH230973A - AC solenoid relay. : de en
  • CH230964A - Cooling system. : de en
  • CH230926A - Ski binding. : de en
  • CH230930A - Device for dividing and indexing workpieces. : en fr
  • US2341900A - Oil seal : en
  • ES164971A2 - IMPROVEMENTS INTRODUCED IN THE VENTRIFUGAL PENDULES, ESPECIALLY THOSE AIMED AT DYNAMIC VIBRATION DAMPER : en es
  • US2341797A - Shirt : en
  • USD137297S - Vented pouring spout for container : en
  • CA418385A - Safety razor : en fr
  • CH230904A - Process for the preparation of a higher molecular weight, water-soluble condensation product. : de en
  • US2341617A - Method of and apparatus for molding : en
  • US2341896A - Circuit controller : en
  • US2341928A - Double wall folding box : en
  • US2341885A - Process for coating plastic materials and the product produced : en
  • US2341902A - Electronic telegraph repeater : en
  • CH230962A - Pipeline crossing a combustion chamber through which a gas to be heated flows. : de en
  • US2341868A - Treatment of storage organs : en
  • US2341967A - Safety control for gaseous fuel burners : en
  • ES164951A1 - IMPROVEMENTS INTRODUCED IN THE ELASTIC WHEELS : en es
  • US2341991A - Injecting mechanism for dental flasks : en
  • US2342028A - Production of organic acids : en
  • CA418387A - Plaster board : en fr
  • CH230895A - Process for making baked goods. : de en
  • US2341712A - Method of making cable : en
  • US2341998A - All ceramic denture and method of producing same : en
  • FR890834A - Sound-visual exploration device : en fr
  • IE16524L - Surgical adhesive dressings : en
  • CA418384A - Paper machine sweat roll : en fr
  • GB559431A - Improvements in and relating to coupling means for connecting conveyor or like screws : en
  • USD137289S - Embroidered trimming or similar article : en
  • CA418444A - Hydrocarbon catalytic condensation : en fr
  • FR890638A - Screw-on piston fountain pen holder : en fr
  • US2341589A - Hot top : en
  • US2341878A - Process for removing acids from hydrocarbons : en
  • FR890607A - Push button lamp socket : en fr
  • FR890779A - Rocket for projectile base : en fr
  • US2341649A - Frequency control : en
  • US2341711A - Telephone circuit : en
  • US2342054A - Tailstock center attachment for bench lathes : en
  • USD137272S - Fullerton doll : en
  • US2341781A - Refrigerating apparatus : en
  • FR890663A - Method for verifying the suppression of short-wave interference in electrical devices on mechanical installations, instruments or apparatus, in particular of motor cars : en fr
  • FR890703A - Insulating and sound absorbing panel : en fr
  • US2341548A - Container : en
  • US2342050A - Fog stream nozzle : en
  • GB559420A - Clamping tool : en
  • FR890782A - Flush : en fr
  • GB559363A - Improvements in mobile mountings for anti-tank mortars or the like : en
  • ES164901A1 - A MONTAKJE INTENDED TO MODULATE IN FREQUENCY OR PHASE ELECTRICAL OSCILLATIONS : en es
  • GR10227B - GAME PLAYED BY TWO PLAYERS. : el en
  • USD137273S - Design for a cookie jar or like vessel : en
  • US2341676A - Shoe and process of making the same : en
  • CA418419A - Paint brush manufacture : en fr
  • GB559396A - Improvements in and relating to miniature furniture sets : en
  • DK61911C - Procedure for the manufacture of footrests of synthetic resin. : da en
  • ES164622A1 - PROCEDURE FOR THE OBTAINING OF MAGNETIC SULFATE FROM MARINE WATERS : en es
  • ES164888A1 - A PROCEDURE FOR THE MANUFACTURE OF A NEW SOLID DETERSIVE : en es
  • GB559323A - Improvements in or relating to conduits or tubing for housing electrical conductors and other purposes : en
  • GB559421A - Improvements in or relating to focal plane shutters : en
  • FR890674A - Machine for the manufacture of notched rods provided with a head : en fr
  • FR890819A - Tuber pulling machine : en fr
  • US2341541A - Flash-producing apparatus : en
  • ES164606A1 - AN ESPOLET OF INERTIA FOR GRANADA OF MORTAR OR LANZAGRANADAS AND GRANADAS DE CAÑÓN AND FUSIL : en es
  • US2341766A - Rapid-quench heat-treating oven : en
  • USD137287S - Game board or similar article : en
  • FR890665A - Overflight signal for flight transmitter, in particular for rotating radiogonometric beacons : en fr
  • ES164634A1 - DEVICE FOR THE DENTADO, BY THE ENVELOPING METHOD, IN UNIVERSAL MILLING MACHINES : en es
  • FR890657A - Improvements to gasifiers : en fr
  • US2341793A - Sheet piler : en
  • AU118105B2 - Method and means for preventing the infection of ale, beer or stout by yeasts or yeast-like organisms : en
  • US2341767A - Ejection opening cover for firearms : en
  • FR890712A - Universal interior for telephone set : en fr
  • US2341787A - Service and maintenance system : en
  • US2341745A - Method for determining the nature of formations encountered in well drilling : en
  • US2341647A - Control device for cooking ranges : en
  • US2341833A - Shaving device : en
  • US2342062A - Device for producing potable water from sea water : en
  • CA418461A - Weighing scale indicating mechanism : en fr
  • CA418430A - Pulp bleaching solution : en fr
  • US2341751A - Torch support : en
  • US2341648A - Heating apparatus and the like : en
  • USD137315S - Design for a dress ensemble : en
  • GB559437A - An improved snap-action mechanical device applicable to electric switches : en
  • GB559310A - Improvements in or relating to sheet metal, particularly for use as container stock : en
  • US2341851A - Organic compound : en
  • FR890822A - Direction-finding installation : en fr
  • FR890816A - Fireplace tube wall : en fr
  • DK61918C - Device for internal combustion engine systems with auxiliary engine, in particular for Motor Vehicles. : da en
  • GB559416A - Machine for generating face gears with teeth unequally distant from the axis : en
  • ES164629A1 - A PERFECTION IN THE PROCEDURE OF MANUFACTURE OF ELASTIC POINT TISSUES : en es
  • US2341642A - Cooling bed : en
  • US2342073A - Isomerizing hydrocarbons : en
  • USD137293S - Design for a hearing aid unit : en
  • US2342015A - Hay stacker : en
  • FR890776A - Film camera : en fr
  • AU836543A - Manufacturing soap : en
  • CH230946A - Process for the production of iron objects that require high fatigue strength. : de en
  • CH230956A - Turbine-driven blower. : de en
  • US2341629A - Tube coupling : en
  • USD137285S - Maccart .airplane : en
  • FR890603A - Internal combustion engine : en fr
  • GB559446A - Device for cooling oil : en
  • GB559383A - Improvements in and relating to a tubular lock : en
  • CA418462A - Cellulose ester production : en fr
  • AU118092B2 - Static frequency reducers : en
  • CA418388A - Container closure : en fr
  • US2342042A - Method of refining liquids : en
  • ES164930A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF CABLES ISOLATED BY AIR : en es
  • US2341881A - Paintbrush : en
  • US2342029A - Method of and means for testing conducting materials by comparison : en
  • US2341807A - Tractor drawbar structure or device : en
  • US2341536A - Method and apparatus for treating substances : en
  • US2341625A - Method of and apparatus for the continuous production of photoprints : en
  • CH231002A - Resilient wheel for vehicles, in particular for heavy vehicles. : en fr
  • US2341689A - Electric control for fluid operated machines : en
  • CH231009A - Fuse device. : de en
  • US2341714A - Shoe sewing machine : en
  • US2341704A - Method of disintegrating metal into abrasive material : en
  • US2341758A - Fuel drain valve for engines : en
  • US2341706A - Monitoring system for sound recording : en
  • AU118084B2 - Improvements in and relating to flexible hose couplings : en
  • CH230974A - Inductance coil with shielding cage. : de en
  • US2341660A - Tool and holder therefor : en
  • ES164967A1 - A PROCEDURE FOR THE MANUFACTURE OF METAL ARTICLES, OF DIVERSE APPLICATIONS, OF HIGH MECHANICAL AND STAINLESS RESISTANCE : en es
  • US2341993A - Concrete form unit : en
  • ES164611A3 - A NEW DOUBLE BELL WITH TWO ROTATING BELLS : en es
  • GB559359A - Improved adhesive composition : en
  • US2341757A - Building block : en
  • FR890720A - Process for the manufacture of bimetallic contacts : en fr
  • CA418411A - Pile and flat fabric : en fr
  • GB559358A - Improvements in or relating to printing mechanism for statistical, accounting and like machines : en
  • GB559322A - Improvements in or relating to electrically heated composite fabrics : en
  • US2341871A - Centrifugal blower with spiral casing : en
  • CH230893A - Vacuum cleaner mouthpiece. : de en
  • US2342022A - Aircraft bomb carrier : en
  • FR890799A - Safety device for rolling carts, in particular for top carts used to load blast furnaces, in combination with a vertical thpe freight elevator : en fr
  • US2341526A - Amplifying and detecting system : en
  • ES164822A1 - IMPROVEMENT IN THE CONSTRUCTION OF AIR COMPRESSORS AND CENTRIFUGAL PUMPS : en es
  • FR890690A - Safety flow regulator for petroleum probes : en fr
  • GB559428A - Improvements in or relating to gas burner apparatus : en
  • USD137267S - Design for a tie rack : en
  • DK61921C - Hot air motor with Recuperator. : da en
  • DK61935C - Cartridge stand mechanism for automatic firearms. : da en
  • US2341634A - Stamp envelope : en
  • US2342061A - Extinction type exposure determining device : en
  • GB559414A - Means for rotating articles to be welded : en
  • FR890700A - Improvements to the circulation of lubricating fluid on engines, internal combustion, of aircraft : en fr
  • GB559304A - Improvements in or relating to electrical condensers : en
  • US2341759A - Method of dispersing pigments in polyamides : en
  • US2341948A - Polymerization of acyclic terpenes : en
  • USD137301S - Design fob a confectionary product : en
  • FR890718A - High frequency driver, especially for? aerial : en fr
  • FR890606A - Installation for the storage of potatoes, beets and other tubers of this kind : en fr
  • FR890793A - Decoration pattern for fashion, clothing, toys and the like : en fr
  • GB559349A - Improvements in dies for the drawing of bar, tube, rod or strip : en
  • CH230905A - Process for the preparation of a new black tetrakisazo dye. : de en
  • US2341577A - Airship : en
  • US2342045A - Apparatus for unsoldering gas meter and the like housings : en
  • GB559389A - Improvements in or relating to hydraulic control systems : en
  • USD137307S - Design for a game device : en
  • ES164898A1 - PROCEDURE FOR THE ELABORATION OF ANALOGUE VEGETABLE FOSSIL XILITHS : en es
  • FR890627A - Device for adjusting the heating of the mixture, in particular for internal combustion engine controlled by the cylinder head : en fr
  • GB559433A - Improvements in and relating to garden frames and like horticultural structures : en
  • FR890622A - Transmission device for propeller drives, especially those with extraordinarily high reduction ratio : en fr
  • US2341996A - Telegraph signal transmitter for sending shaped impulses : en
  • USD137299S - Design fob a molded glass candy container : en
  • US2341929A - Lithographic adapter for letter presses : en
  • US2341544A - Mantle for gyratory crushers and means for securing it : en
  • US2341937A - Radio receiver : en
  • CH230874A - Method and device for the production of moldings. : de en
  • FR890618A - Clutch device for compressors used to charge internal combustion engines : en fr
  • CH230872A - Process for the production of building boards and building board produced by the process. : de en
  • CH230965A - Air gap electrical communication cable. : en fr
  • US2342060A - Doorstop : en
  • US2341708A - Safety device for fire extinguishers : en
  • US2342084A - Transformer tap-changing circuit : en
  • US2341814A - Hasp device : en
  • US2341950A - Dispensing device : en
  • US2341986A - Therapeutic confection : en
  • DK61925C - Bodywork, especially for Motor Vehicles. : da en
  • US2341858A - Snap switch : en
  • US2341944A - Stemming wad for blastholes : en
  • US2341695A - Flywheel : en
  • US2341688A - Safety mechanism for coiler blocks : en
  • US2341643A - Hat hanger : en
  • CA418403A - Portable sterilizer : en fr
  • CH230934A - Lamp voltmeter. : en fr
  • US2341982A - Projection screen : en
  • CA418412A - Loop pile fabric weaving apparatus : en fr
  • US2341939A - Tractor trailer : en
  • CA418415A - Paper web coating apparatus : en fr
  • AU118089B2 - Rust-preventive compositions : en
  • CH231021A - Process for the preparation of a new sulfanilic acid amide derivative. : de en
  • CH230995A - Tube oscillator. : de en
  • CH230999A - Method and device for stacking flat objects into vertical stacks and for feeding the stacks to the wrapping device of a wrapping machine. : de en
  • GB559388A - Improvements in or relating to apparatus for feeding or moving webs or sheets of paper or other flexible material : en
  • CA418370A - Weighing scale : en fr
  • CA418392A - Spark plug : en fr
  • US2342017A - Flag or similar mounting for aerials : en
  • FR890698A - Process for the production of 2-amine-pyridine derivatives : en fr
  • ES164884A1 - PROCEDURES INTRODUCED IN THE MANUFACTURE OF FILTERING ELEMENTS OF PILLOWED FILTERS FOR FLUID FILTERS, PARTICULAR FOR FILTERS WITH COOLANT CLEANING : en es
  • US2341753A - Automatic brake : en
  • FR890753A - Device comprising a discharge tube sensitive to variations in space charge : en fr
  • CA418446A - Electrically heated chicken brooder : en fr
  • US2341822A - Nonglare flashlight : en
  • DK61926C - Cooling air supply device for Rear Motor Vehicles. : da en
  • DK61920C - Air or Gas Filter, in particular for Combustion Engine Machinery for Vehicles or Vessels. : da en
  • US2341957A - Winding reel : en
  • US2341554A - Apparatus for sealing collapsible tubes : en
  • US2341672A - Table covering screen : en
  • CH230933A - Lamp voltmeter. : en fr
  • CH230996A - Device for changing the natural frequency of a cavity resonator. : de en
  • US2342013A - Machine for plucking poultry and the like : en
  • US2341813A - Planter : en
  • US2342058A - Prefabricated stack sections : en
  • US2341734A - Motion picture projector : en
  • FR890646A - Improvements to sockets on overhead power lines : en fr
  • US2341923A - Safety device for submarine crews : en
  • US2341739A - Method of making porous metal : en
  • US2341633A - Starting device for internal combustion motors : en
  • US2341930A - Receptacle : en
  • ES164834A3 - A MACHINE TO MAKE THE SPLICE NISEL IN ALS BELTS : en es
  • ES164886A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NO. 164184 : en es
  • NL106036B - : en
  • US2341992A - Belt adjuster : en
  • US2342003A - Pressure operated valve gear : en
  • US2341799A - Marine vessel locating and lifting apparatus : en
  • USD137296S - Packer flashlight : en
  • FR890835A - Method and apparatus for the orderly deposition of coils of wire : en fr
  • DK61923C - Method for Extraction of Pectin by Mineral Acids Pressure Hydrolysis of Protopectin-Containing Plant Parts. : da en
  • US2342039A - Bucket conveyer : en
  • US2341717A - Pencil construction : en
  • US2341870A - Automatic cutoff : en
  • GB559418A - Improvements relating to collet chucks : en
  • FR890785A - Method for cleaning surfaces immersed in water and apparatus suitable for carrying out the method : en fr
  • FR890743A - Vibration damper : en fr
  • FR890628A - Propeller drive : en fr
  • CA418383A - Warp knitted pile rug : en fr
  • CH230884A - Process for the production of torsion-free steel wire strands and ropes and device for carrying out the same. : de en
  • DK61901C - Bottom grate for file boxes. : da en
  • US2341924A - Refrigeration apparatus : en
  • ES164865A1 - IMPROVEMENTS IN THE MANUFACTURE OF ANALOGUE FURNITURE AND FURNISHINGS : en es
  • FR890830A - Automatic lubrication device without piston : en fr
  • FR890739A - Waterproof feedthrough : en fr
  • ES164855A1 - A PROCEDURE FOR THE USE OF GROWTH FERMENTS LIKE BREAD YEASTS AND SIMILAR : en es
  • US2342009A - Strand handling apparatus : en
  • ES164923A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NO. 159493 : en es
  • GB559425A - Improvements in dry gas meters : en
  • US2341884A - Playing card and process for making the same : en
  • US2342037A - Powder metallurgy : en
  • US2341863A - Alkylation process : en
  • USPP615P - Phlox : en
  • US2342047A - Cap cleaning and stretching block : en
  • US2341922A - Plug type socket : en
  • FR890803A - Method and device for distributing, arranging in parallel and cleaning the stems of bast fibers, in particular flax stems : en fr
  • US2341549A - Heater : en
  • US2341732A - Method and apparatus for briquetting of powdered metal : en
  • GB559390A - Improvements in or relating to high aperture photographic objectives : en
  • US2341802A - Agricultural implement : en
  • US2341974A - Supercharger control : en
  • US2341984A - Colostomy outfit : en
  • FR890605A - Engine system for boats and aircraft : en fr
  • US2341687A - Manufacture of thiazoles : en
  • US2341721A - Spring wheel : en
  • FR890602A - Water treatment process for the removal of iron and possibly carbonates and manganese : en fr
  • US2341951A - Camouflage net : en
  • FR890794A - Seamless paperback book and its production process : en fr
  • DK61931C - Closure plug. : da en
  • FR890730A - Manufacturing process of carbon tetrachloride and perchlorethylene : en fr
  • FR890609A - Interior trim for hairstyles : en fr
  • FR890780A - Oxygenated alkaline detergent : en fr
  • GB559338A - Thiazyl sulphides : en
  • GB559440A - Improvements in or relating to the headlamps of motor vehicles or the like : en
  • US2341747A - Clutch mechanism : en
  • US2341720A - Cycle saddle : en
  • GB559313A - Improvements in or relating to devices for raising sunken vessels : en
  • NL55915C - : en
  • US2341719A - Fuel burner control system : en
  • US2341893A - Air drying device : en
  • ES164613A2 - PROCEDURE FOR CONCENTRRING VEGETABLE JUICES, ESPECIALLY FRUITS AND VEGETABLES : en es
  • AU1290044A - Improvements in feedback control arrangements for coupled tuned circuits : en
  • US2341961A - Refrigeration apparatus : en
  • ES164821A1 - AUTOMATIC REGULATOR MECHANISM OF THE POWER, TEMPERATURE AND PRESSURE OF THE BOILERS : en es
  • US2341989A - Mechanical relay mechanism : en
  • US2341553A - Polyvinyl cyanoethyl ether : en
  • US2341574A - Method of drilling wells : en
  • US2341653A - Long-fiber light-weight timber : en
  • US2341889A - Control apparatus for cinematographic machines, etc. : en
  • US2341777A - Insulating block : en
  • US2341552A - Nozzle lining machine : en
  • US2341780A - Automatic firearm : en
  • US2341635A - Poker chip rack : en
  • CH230951A - Elastic suspension device for machine assembly. : en it
  • FR890658A - Tool shaft for planing machines : en fr
  • GB559413A - Improvements in photographic exposure control devices : en
  • FR890744A - Steering, especially for automobile : en fr
  • CH230928A - Comparator. : en fr
  • US2341987A - Decorticating machine : en
  • FR890721A - Material for contacts, in particular brushes or switch contacts of graphite-silver, and process for its manufacture : en fr
  • US2341969A - Portable support for electric hand drills : en
  • CA418379A - Elevator bucket : en fr
  • USD137311S - Design for an earring or similar article : en
  • ES164848A1 - A PROCEDURE FOR OBTAINING A PREPARATION FOR CURING SKINS : en es
  • FR890715A - Improvement in shot microphones : en fr
  • GB559447A - Improvements in or relating to rotatable broach holder : en
  • US2342023A - Laminated structure and method of making such structure : en
  • US2342089A - Rivet squeezer : en
  • ES164958A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF ELECTRIC BATTERIES : en es
  • FR890826A - Switch motor : en fr
  • CH230915A - Process for the treatment of oxidic protective layers on magnesium and mainly magnesium-containing alloys. : de en
  • GB559308A - Improvements in a tractor mounted loading implement : en
  • ES164620A1 - PROCEDURE FOR THE OBTAINING OF DOUBLE POTASSIUM AND MAGNESIUM SULFATE : en es
  • AU118090B2 - Improvements in disconnectible means for coupling loads to parachutes : en
  • CH231023A - Process for the preparation of methylamino- (6) -methyl- (2) -heptane. : de en
  • CH231000A - Dismountable harass. : de en
  • US2342034A - Control apparatus : en
  • US2341679A - Screw gauge : en
  • US2341738A - Steam plant : en
  • FR890781A - Process for the manufacture of electric capacitors : en fr
  • CH231005A - Device for making bicycles inoperable and for preventing the theft of bicycles. : de en
  • AU123581B2 - ,nprovements in or relating to shuttering fqr use in building structures of concrete or like material : en
  • CA418456A - Multiple fuse : en fr
  • CH230871A - Snow catcher on the tiled roof. : de en
  • CA418386A - Lumber drying apparatus : en fr
  • DK61924C - Mass Preparation Plant Including Cocoa Beans or Products thereof. : da en
  • FR890763A - Navigation system operating on the principle of the directing beam : en fr
  • CA418449A - Resin : en fr
  • CH230936A - Episcopic and transmitted illumination device of optical apparatus. : en fr
  • CH230971A - Electric discharge tube with directed electron beam and photoelectric electrode. : de en
  • FR890733A - Improvements to the processes for engaging, by driving, in the bottom of a river or the sea, a hollow body, open at least at its lower end : en fr
  • CH231010A - Process for the preparation of B- (p-oxyphenyl) -isopropyl-ethylamine. : de en
  • ES164609A1 - IMPROVEMENTS IN PICKING MACHINES, PIPE MACHINES AND SIMILAR MACHINES : en es
  • CA418464A - Cellulose ester production : en fr
  • CH230918A - Process for producing a pulp suitable for the viscose synthetic fiber industry : de en
  • ES164849A1 - IMPROVEMENTS IN THE MANUFACTURE OF BOTTERS, PUNCHES AND ANALOGUE SHOCK TOOLS : en es
  • GB559407A - Improved nut and screwed spindle for machine and like tools : en
  • ES164858A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF CAMPANAS FOR THE TREATMENT OF MUSCLES AND OTHER DEEP TISSUES OF THE HUMAN AND ANIMAL BODY : en es
  • US2341904A - Picker and method of making same : en
  • DK61913C - Procedure for Treating Glass Rods. : da en
  • FR890692A - Method and device for cutting pieces of rubber in the form of plates or strips into lengths : en fr
  • ES164633A1 - PROCEDURE FOR THE CONSERVATION OF FOOD PRODUCTS, ESPECIALLY SAUSAGES : en es
  • CH231015A - Process for the preparation of dihydroergotoxin. : de en
  • GB559294A - Improvements in or relating to the chlorination of polymerised olefins : en
  • USD137302S - Thermometer case or similar article : en
  • US2341520A - Starting and operating circuit for gaseous electric discharge devices : en
  • US2341532A - Liquid dispensing apparatus : en
  • CH230919A - Envelope for two uses. : de en
  • US2341685A - Carburetor : en
  • GB559320A - Improvements relating to surfacing concrete floors : en
  • FR890850A - Hydraulic device with wheel motor and bucket chain : en fr
  • US2341869A - Firearm : en
  • FR890623A - Crank housing for two-shaft engine : en fr
  • US2341515A - Jetty structure for controlling river and surface water : en
  • US2341864A - Pneumatic counterbalance for well pumps : en
  • US2341865A - Fuse link : en
  • US2342030A - Rotary spiral plow : en
  • US2341518A - Grouting system : en
  • US2341683A - Piezoelectric crystal holder : en
  • US2341912A - Striping device : en
  • ES164630A1 - NOISE DAMPING DEVICE OF PULSATORY GAS CURRENTS : en es
  • GB559404A - Improvements in tool holding means for drop stamps and other metal working machines : en
  • US2341749A - Extrusion die : en
  • US2341964A - Display device : en
  • GB559429A - Vacuum-tight high temperature annular connections between a metallic and ceramic body : en
  • FR890726A - Extendable tensioner for tanks and silos in wooden staves : en fr
  • FR890677A - Tailor canvas : en fr
  • US2341525A - Fluid pressure regulator : en
  • US2342064A - Fastening device : en
  • US2341933A - Impulse transmitting device : en
  • FR890684A - Process for manufacturing yarns or fibers of good strength from viscose with simultaneous recovery of carbon disulphide : en fr
  • US2341895A - Fluorescent tube lighting fixture : en
  • ES164874A1 - IMPROVEMENTS INTRODUCED IN THERMAL COMPENSATORS PROVIDED WITH HEAT STORAGE BODIES : en es
  • USD137313S - Design fob a dress : en
  • GB559303A - Means for amplifying a direct current by transductor action : en
  • GB559399A - Improvements in or relating to sculls, oars and the like : en
  • US2341966A - Balanced gate valve : en
  • CA418364A - Dual wheel assembly : en fr
  • US2341794A - Cigarette paper book : en
  • US2341861A - Method of processing swelling coals for use in by-product ovens : en
  • US2341743A - Shaving device : en
  • US2342025A - Method of applying metallic skin coverings to airfoils or the like : en
  • FR890710A - Improvements to electric filters : en fr
  • US2341818A - Porous rubber cleansing article : en
  • AU118100B2 - Manufacturing soap : en
  • FR890723A - Process for the manufacture of silver plating preparations : en fr
  • AU790743A - Static frequency reducers : en
  • US2341945A - Hay rake and loader : en
  • US2341604A - Base blank for dentures : en
  • CA418413A - Plastic composition : en fr
  • CH230972A - Cathode ray tube and process for making the same. : de en
  • FR890610A - Receiver with synchronized tape controller : en fr
  • FR890839A - Composite Core Pest Coil : en fr
  • US2341815A - Material handling apparatus : en
  • USD137283S - Design for a golf club : en
  • USRE22434E - Automatic bag feeder : en
  • ES164941A1 - VALVE FOR REGULATING THE PRESSURE OF AN AIR PUMP : en es
  • US2341602A - Billet centering apparatus : en
  • US2341791A - Yellow disazo dyestuffs : en
  • USD137300S - Design foe a cigarette : en
  • CH230886A - Thimble with cutting device. : de en
  • US2341761A - Dielectric and insulating composition : en
  • CA418417A - Hollow member grooving machine : en fr
  • CH230988A - Electron tube amplifier with negative feedback for high frequency. : de en
  • US2341667A - Means for drawing shells : en
  • US2341718A - Switch machine for railway spring switches : en
  • US2342043A - Tray equipped chair : en
  • US2341812A - Extractive distillation : en
  • AU123583B2 - Improvement infrequency stabilization : en
  • CH230944A - Cam milling machine, in particular for metalworking. : de en
  • CH230985A - A phone booth. : en fr
  • CA418375A - Liquid clarification apparatus : en fr
  • US2341855A - Ball cock valve : en
  • CH230913A - Shaped structure made of nitrogen-containing, linear polycondensation products. : de en
  • USD137279S - Aver etal. airplane : en
  • CA418460A - Striping device : en fr
  • CH231017A - Process for the preparation of dihydroergosine. : de en
  • CA418436A - Bottle hood cap applying machine : en fr
  • DK61905C - Antenna for emitting horizontally polarized waves and with almost circular radiation characteristics. : da en
  • CH230891A - Dye bath for superpolyamide articles. : en fr
  • CH230909A - Process for splitting fats and oils. : de en
  • CA418465A - Cellulose ester production : en fr
  • GB559361A - Improved pitch control mechanism for variable pitch propellers : en
  • CA418391A - Ether : en fr
  • CA418443A - Pectin extraction and recovery : en fr
  • US2341764A - Cathode ray tube system : en
  • US2341860A - Method of making chambered metallic articles : en
  • US2342059A - Clamping device : en
  • US2341696A - Master valve lock for servomotors : en
  • CA418440A - Television transmitting tube and system : en fr
  • AU793843A - Antiglare shield or shade for spectacles orthe like : en
  • CH230912A - Process for softening plastic masses. : de en
  • US2341663A - Process fob the production of un : en
  • US2341722A - Spider : en
  • US2342081A - Dispensing container or carton : en
  • US2341516A - Starter drive : en
  • US2341523A - Coating composition : en
  • US2341782A - Treatment of hydrocarbon oils : en
  • US2341903A - Transformer : en
  • US2341606A - Electroprocessing machine : en
  • FR890728A - High voltage transformer : en fr
  • GB559402A - Mulling apparatus (speedmullor) : en
  • AU120128B2 - Improvements in or relating to couplings for flexible pipes : en
  • US2341978A - Method of making decorative trim panels : en
  • CH230916A - Process for producing coatings on metals. : de en
  • CH230894A - Device for preparing granular grist for grinding. : de en
  • US2341760A - Insulating and dielectric composition : en
  • US2341920A - Electrical discharge device : en
  • US2341968A - Induction voltage regulator : en
  • BE451954A - Process for the preparation of polymerization products : en fr
  • US2341662A - Apparatus for separating loose masses : en
  • CA418390A - Metal finishing process : en fr
  • US2341740A - Barrel or keg : en
  • US2341852A - Water heater : en
  • US2341960A - Reflecting button : en
  • FR890614A - Fixing the electrical contact strips : en fr
  • FR890832A - Irradiation apparatus : en fr
  • US2342019A - Amusement apparatus : en
  • ES164887A3 - AN ARTIFICIAL TUNNL DRYER : en es
  • FR890845A - Device for moving objects in corpuscular ray apparatus : en fr
  • CH230947A - Component connection. : de en
  • CH230892A - Large industrial vacuum cleaner. : de en
  • CA418431A - Pulp bleaching solution : en fr
  • ES164817A1 - A FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES : en es
  • CH231003A - Hand sewing device for Collé bicycle tires. : de en
  • US2342067A - Hospital sterilizer : en
  • FR890836A - Process for depositing finely divided metal on an insulating material : en fr
  • US2341673A - Transparent member : en
  • USD137304S - Design for a fan : en
  • BE451952A - Process for the production of shaped masses : en fr
  • CH230927A - Sealing device on projectiles with an expanding ring at the rear end for pressing into the trains. : de en
  • US2341806A - Door for floor furnaces and like heating appliances : en
  • US2341876A - Hoist line implement : en
  • US2342090A - Production of aromatic compounds : en
  • CA418368A - Tire remover : en fr
  • CH230998A - Arrangement with cathode ray television tube. : de en
  • CH230875A - Mixture for the production of insulating layers for rotary kiln linings. : de en
  • GB559369A - Improvements in and relating to the treatment of nylon yarns : en
  • US2341847A - Deck lid hinge : en
  • USD137270S - Design for a combined watch and mirror : en
  • GB559441A - A castor-action self-centring spring-framed safety motor-cycle of improved design : en
  • CH230970A - Magnet arrangement. : de en
  • GB559417A - Prevention of distortion in thermionic valve repeaters : en
  • CH230924A - Light copier. : de en
  • US2341599A - Perpetual calendar : en
  • US2342049A - Feed control mechanism : en
  • ES164618A1 - PROCEDURE FOR THE OBTAINING OF POTASSIC SULPHATE FROM MARINE WATERS : en es
  • FR890829A - Fuel gas enrichment process : en fr
  • US2341838A - Dragline excavator : en
  • US2342096A - Illuminating projectile : en
  • USD137268S - Design fob a shoe horn : en
  • CA418425A - Punctuating calculator : en fr
  • US2341848A - Threading block : en
  • US2341551A - Mass spectrometer : en
  • USRE22436E - Pressure vessel : en
  • FR890759A - Constant voltage alternating current generator : en fr
  • USD137305S - Design for a window frame : en
  • GB559379A - Improvements in or relating to high aperture photographic objectives : en
  • FR890771A - Method and device for engaging gear changes, in particular for motor vehicles : en fr
  • GB559419A - Improvements in or relating to variable-speed transmission : en
  • GB559376A - Improvements in or relating to electric condensers : en
  • US2341713A - Reinforcing material : en
  • GB559334A - Improvements in or relating to electric flashlights and focussing lamp assemblies therefor : en
  • US2341603A - Device for metallizing : en
  • US2342041A - Method and apparatus for basing electrical devices : en
  • US2341716A - Welded joint and method of making the same : en
  • GB559337A - Improvements in or relating to ground wheels for agricultural tractors and like vehicles : en
  • DK61917C - Optical System according to Schmidt. : da en
  • GB559330A - Improvements in or relating to adjustable inductance devices : en
  • US2341580A - Pajama pants : en
  • US2341750A - Combined volume control and switch : en
  • US2341977A - Loader : en
  • CH231013A - Process for the preparation of 4,4'-diamidino-a, e-diphenoxypentane. : de en
  • CH231022A - Process for the preparation of a new sulfanilic acid amide derivative. : de en
  • FR890770A - Process for the treatment of iron-nickel-aluminum alloys for permanent magnets : en fr
  • US2341615A - Apparatus for dry spinning cellulose acetate yarn : en
  • US2341905A - Operating mechanism for discharge lamps : en
  • CH230990A - Device for coupling a non-balanced transmission line with a balanced transmission system. : de en
  • US2341510A - Roof scaffold : en
  • US2342024A - Method of treating sewage and apparatus therefor : en
  • US2341527A - Recovery of valuable hydrocarbons : en
  • FR890749A - Method of synchronizing television broadcasts with sinusoidal voltages : en fr
  • FR890784A - Improvements to supports and other parts of electrical equipment, in particular brush holders : en fr
  • USD137278S - Design fob a padlock : en
  • GB559325A - Improvements in or relating to spirit levels : en
  • US2341593A - Composition for the production of protheses : en
  • US2342091A - Chain hoist : en
  • ES164935A3 - IMPROVEMENTS IN DEVICES FOR SHOOTING EXERCISES : en es
  • GB559412A - Improvements in or relating to photographic exposure control devices : en
  • FR890633A - Process for the preparation of gamma-gamma-diaryl-propyl-amines : en fr
  • US2341892A - Motor fuel composition : en
  • US2341581A - Preparation of drilling muds : en
  • US2342005A - Luminescent warning device : en
  • CH230885A - Weft thread tensioning device on automatic shuttle. : de en
  • FR890626A - Internal combustion engine controlled by the cylinder head : en fr
  • US2341621A - Apparatus for lifting or transferring metal or objects with flat surfaces : en
  • USD137286S - Design fob a bracelet or similar article : en
  • FR890664A - Method and device for drying substances in suspension or in solution in a volatile liquid : en fr
  • GB559392A - Improvements in or relating to building construction : en
  • US2341914A - Semirigid roll top for desks : en
  • FR890810A - Concentric bearing device of a shaft in a pipe : en fr
  • US2341742A - Machine tool drive : en
  • US2341916A - Wire forming method and device : en
  • US2342012A - Device for treating storage battery cell covers : en
  • FR890795A - Ditch digging machine : en fr
  • US2341585A - Gun hand guard : en
  • US2342052A - Portable cutting tool : en
  • US2341693A - Telephone system : en
  • US2341839A - Thread parting mechanism : en
  • US2341985A - Pump : en
  • GB559403A - Improvements in telephone systems : en
  • GB559352A - Improvements in or relating to airplane heaters : en
  • US2341963A - Foot support : en
  • CH230939A - Process for the production of magnesium by thermal means. : de en
  • US2341664A - Casing for gas turbines : en
  • USD137290S - Design fob a maternity gown : en
  • US2341601A - Package for fluids : en
  • US2341566A - Noncombatant gas mask : en
  • GB559375A - Improvements relating to dynamo regulators : en
  • FR890634A - Airtight seal for containers filled with a powder product, in particular for the closure cover of the drum of refuse dumpers : en fr
  • US2341710A - Compressor or pump : en
  • US2341887A - Cooling of sulphur dioxide gases : en
  • ES164623A1 - PROCEDURE FOR OBTAINING SODIUM SULFATE FROM MARINE WATERS : en es
  • FR890693A - Device provided in aircraft propellers for cooling liquids : en fr
  • CH230888A - Knitting machine. : de en
  • US2341652A - Process for recording by direct lithographic printing, sounds impinging on microphones or the like : en
  • US2341801A - Motor shipping container : en
  • FR890656A - New turning process : en fr
  • GB559397A - Improvements in and relating to firelighters : en
  • FR890807A - Fireplace for wood-burning gasifiers and the like : en fr