• US2328071A - Apparatus for pug making : en
  • CA414828A - Summary form method and means : en fr
  • US2328023A - Blind rivet : en
  • CA414900A - Textile fibre dyeing process : en fr
  • CA414798A - Vehicle body insulating structure : en fr
  • GB555624A - An improved double-acting friction clutch : en
  • US2327981A - Calculating machine : en
  • US2328384A - Airplane stall and high-speed indicating apparatus : en
  • US2328197A - Building structure : en
  • USD136250S - Design for a riding stick toy : en
  • US2328041A - Steering device for boats : en
  • SE108346C1 - Apparatus for the treatment of bone fractures : en sv
  • AU667642A - Improvements in winches, hoists andthe like : en
  • FR884988A - Acetylene generator : en fr
  • GB555634A - Improved process of decalcomania : en
  • CH228510A - Single-acting two-stroke internal combustion engine. : de en
  • US2327996A - Process of dehydrating mineral oil emulsions : en
  • US2328437A - Lifedoat : en
  • US2328308A - Gun perforator : en
  • PL31996B1 - Ringhoffer-Tatra Werke fl. G., Prague Rear-engine motor vehicle with an auxiliary duct that guides the airflow beyond the rear end of the body : en pl
  • US2328323A - Valve mechanism for water softeners : en
  • US2327991A - Cigar and cigarette : en
  • US2328387A - meats : en
  • PL32027B1 - Device for milling polygons : en pl
  • US2328123A - Adjusting mechanism for gears : en
  • GB555685A - Improvements in drying apparatus : en
  • US2328097A - Display printing machine : en
  • PL32019B1 - Daimler-Benz Aktiengesellschaft, Stuttgart — UnUrtiirkheim Relief valve in n feg fuel injection pumps $> $ : en pl
  • BE451680A - PROCESS FOR MANUFACTURING POLYVINYL CHLORIDE WITH LOW POLYMERIZATION DEGREE : en fr
  • US2328464A - Regulating circuit : en
  • CA414906A - Flocculation apparatus : en fr
  • FR884965A - Method and device for the manufacture of woolly synthetic yarns : en fr
  • CH228538A - High frequency generator for industrial purposes. : de en
  • US2328162A - Plating tank : en
  • ES160873A1 - IMPROVEMENTS IN TUBES, MANDRELS OR SIMILAR HEATING TO VULCANIZE TIRES, PIPES AND ANALOGUE OBJECTS : en es
  • GB555581A - Assembling means for brake shoe retracting springs : en
  • DE738854C - Electric high-voltage switchgear of the cell design with double busbar system : de en
  • FR885057A - Method of protecting plants against plant pests : en fr
  • DE738785C - Quickly established and detachable connection between two or more components consisting of essentially rigid plates : de en
  • FR884945A - Gasifier installation : en fr
  • AU1079943A - Electrodeposition of tin and its alloys : en
  • CA414796A - Lock seam opener : en fr
  • FR884898A - Manufacturing process for cellulosic cardboard containers : en fr
  • DE738648C - Combustion chamber for gas flow machines, in particular for use in aircraft : de en
  • BE451490A - : en
  • US2328431A - Process for rendering textile materials water repellent : en
  • ES161112A1 - IMPROVEMENTS INTRODUCED IN THE GRANADAS FOR ANTI-TANK EXERCISES : en es
  • US2328415A - Electrical contact clip : en
  • DE738736C - Plow trolley : de en
  • CH228541A - Process for the production of induction devices, in particular inductors or transformers for contact converters. : de en
  • CH228460A - Wall. : de en
  • US2328502A - Measuring air-fuel ratio : en
  • CA414894A - Dry shaver comb : en fr
  • PL32000B1 - : en pl
  • PL32053B1 - N. V. Philips * Gloeilampenfabrieken, Eindhoven Electric High Performance Mercury Tubular Discharge Lamp : en pl
  • ES160953A1 - A MACHINE TO OBTAIN THE COMBUSTION OF CARBON FEES AUTOMATICALLY : en es
  • US2328138A - Collapsible trailer : en
  • FR885059A - Fuels and fuels : en fr
  • FR884984A - Process for ensuring the operation of explosion engines by means of a combustible gas such as acetylene : en fr
  • US2328483A - Lifting apparatus : en
  • ES158437A1 - A BACKGROUND PLATE FOR HILATURE NOZZLES : en es
  • ES160900A1 - A TENSION DEVICE : en es
  • US2328457A - Circuit breaker : en
  • DE738917C - Box for ampoules and like : de en
  • US2328062A - Certain water-soluble high molal oxyalkylated esters and method of making same : en
  • ES161075A3 - IMPROVEMENTS IN THE MECHANISM OF THE RECESSED ELECTRICAL SWITCHES : en es
  • US2328516A - Labeling machine : en
  • CH228399A - Curved handle made of wood. : de en
  • US2328180A - Apparatus for the control of highway crossing signals : en
  • DE738735C - Knitting machine for mending socks, bags or the like. : de en
  • CH228584A - Device for accelerating the firing sequence on recoil-operated machine guns. : de en
  • ES159978A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER: 157630 : en es
  • FR885060A - New foaming and disinfectant product : en fr
  • US2328207A - Hair drying hood : en
  • US2328030A - Hot-air heater : en
  • US2328200A - Tool construction : en
  • US2328423A - Ophthalmic mounting : en
  • DK61275C - Tear Closure for Bottles. : da en
  • US2328301A - Wheel theft prevention means : en
  • US2328493A - Method of shave-milling steel : en
  • CH228434A - Process for the preparation of 3-phenylaminotetrahydrofuran. : de en
  • CH228508A - Double-acting rotary lobe compressor with rotary lobe mounted eccentrically in the housing. : de en
  • GB555629A - Screw thread measuring machine : en
  • DE738844C - Volume regulator for compressed air supply systems in overpressure cabins of aircraft : de en
  • DE738885C - Pneumatic impact tool : de en
  • GB555670A - Improvements in and relating to the projection of sterescopic kinematograph images : en
  • GB555607A - Improvements in, or relating to, liquid fuel injection burners : en
  • AU474742A - Improved method of manufacturing a cathode of indirectly heated-type : en
  • ES160912A1 - IMPROVEMENTS INTRODUCED IN THE COOLING DEVICES OF ENGINES BY FORCED CIRCULATION OF LIQUID : en es
  • DE738804C - Arrangement for cleaning the windshield of vehicles : de en
  • GB555662A - Improvements connected with clips for cycle pumps or the like : en
  • ES160312A1 - A MECHANICAL DEVICE OF SELF-REGULATION DEPRESSION FOR ACETYLENE GENERATORS : en es
  • US2328229A - Pressing machine : en
  • ES160825A1 - IMPROVEMENTS INTRODUCED IN THE HEATING OF THE OVENS : en es
  • ES161100A1 - A PERFECTED SEWING MACHINE : en es
  • CH228483A - Self-centering chuck for machine tools. : en fr
  • USD136277S - Design for an airplane : en
  • FR884856A - Filtration apparatus : en fr
  • ES160951A1 - A FRICTION WHEELS CONTROL : en es
  • DE738888C - Fountain pen with writing tube : de en
  • AU117431B2 - Improvements in methods of apparatus for roasting andor sintering ores andother finely divided materials : en
  • US2328307A - Manufacture of rayon : en
  • US2328196A - Refrigeration : en
  • US2328012A - Traveling case for portable radio receivers : en
  • US2328059A - Manufacture of ethers : en
  • ES160870A1 - IMPROVEMENTS IN PORTABLE CUTTING ELECTRIC MACHINES WITH CIRCULAR KNIFE : en es
  • FR884937A - Process for consolidating oxide layers on aluminum and its alloys : en fr
  • CA414957A - Power transmission mechanism : en fr
  • ES161000A3 - A PROGRESSIVE AND CONTINUOUS SPEED CHANGE MECHANISM : en es
  • CA414958A - Power transmission mechanism : en fr
  • DK61278C - Flag button. : da en
  • US2328157A - Objective : en
  • FR884943A - Small circuit-breaker with box, in particular for mounting several switches side by side : en fr
  • FR884872A - Air filter mounted on the fuel tank of a motorcycle : en fr
  • ES157250A1 - A PROCEDURE FOR MANUFACTURING CELLULOSE PASTA : en es
  • FR884869A - Multi-piece diaphragm speaker : en fr
  • FR884929A - Lighting device intended in particular for projection : en fr
  • FR884886A - Twin-articulated sole and insole shoe : en fr
  • US2327998A - Wringer : en
  • US2328008A - Valve : en
  • US2328386A - Conveyer system : en
  • FR885040A - Unalterable nozzle for gasifier for all applications : en fr
  • ES161133A3 - INSTALLATION APPARATUS SYSTEM FOR LAYING ON THE PLASTER, INSIDE THE PLASTER AND COMPLETELY INLET : en es
  • US2328010A - Check valve : en
  • US2328357A - Method and apparatus for forming cores : en
  • GB555673A - Improvements relating to the production of printing surfaces : en
  • FR884858A - Hydraulic working cylinder with automatic locking of the piston in any rest position : en fr
  • CA414803A - Razor : en fr
  • CH228571A - Stand for jacking up a bicycle. : de en
  • DK61264C - Device at low-pressure steam central heating system for railway wagons. : da en
  • US2328458A - Circuit breaker : en
  • US2328417A - Ingot mold : en
  • FR884857A - Pressure device : en fr
  • ES156837A1 - A PERFECTED STOVE-KITCHEN SYSTEM : en es
  • ES150508A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF AUTOMOTIVE VEHICLE FRAMES : en es
  • DE738912C - Power take-off of auxiliary machines on motor vehicles, e.g. for an oil pump driven by the vehicle engine : de en
  • ES156839A1 - A DEVICE TO INCREASE THE RADIATOR SURFACE IN KITCHENS AND STOVES : en es
  • ES160887A1 - IMPROVEMENTS IN THE PREPARATION OF AGRICULTURAL ANTI-CRYPTOGAMIC PRODUCTS : en es
  • FR884942A - Device to take into account the extension factor of the exposure time : en fr
  • US2328426A - Drilling fluid : en
  • FR884998A - Improvements to cylinder top lubrication devices : en fr
  • US2328281A - Photographic jigsaw puzzle : en
  • US2328027A - Manufacture of separators : en
  • US2328525A - Method of preparing sheets : en
  • CH228440A - Process for the preparation of an aminotriazine-formaldehyde reaction product. : de en
  • ES160929A1 - TEST DEVICE FOR VEHICLE TIRE COVERS : en es
  • ES161116A1 - PROCEDURE FOR THE PREPARATION OF N-DIMETHYLACROYL-P-AMINOBENZOLSULFONAMIDE SALTS : en es
  • US2328247A - Casing gun : en
  • CA414908A - Bulkhead construction : en fr
  • CH228432A - Process for the preparation of aromatic hydroxy compounds which are substituted in the o- or p-position to the hydroxyl by an unsaturated, aliphatic radical. : de en
  • CH228470A - Sound recording. : de en
  • FR884892A - Test terminal with fitting protruding from a cover : en fr
  • CH228407A - Appliance for cooking. : en fr
  • PL32008B1 - A method for producing flat glass and an apparatus for carrying it out : en pl
  • US2328035A - Snow ring or wheel : en
  • PL32075B1 - Rheinmetall-Borsig flktiengesellschaft, Dusseldorf Drive according to the Leonard system, in particular for actuating gun interlocks or turret turning machines : en pl
  • DE738843C - Process for the manufacture of a starch product : de en
  • ES160980A1 - HOME WITH THE GRILL FORMED BY WATER-COOLED MOBILE PIPES : en es
  • FR884933A - Spinning regulator : en fr
  • ES161128A1 - IMPROVEMENTS IN THE MANUFACTURE OF INDUSTRIAL OILS BY MEANS OF POLYMERIZATION OF THE OLEFINS : en es
  • ES160853A1 - IMPROVEMENTS IN THE WATER UNION, WITHOUT WELDING, OF TUBES : en es
  • DK61263C - Snow fence. : da en
  • ES160874A1 - A MANUFACTURING PROCEDURE, OF WHITE FOUNDRY, RESISTANT OBJECTS TO WEAR, TO CRUSHING AND TO THE FORMATION OF CRACKS : en es
  • FR885053A - Improvements dropper : en fr
  • PL32042B1 - Jan Cirin, Lviv Folding shoes : en pl
  • DE738732C - Safety device for the lubricating device of machines with a signaling system connected to an electrical circuit : de en
  • DK61280C - Method and Sicentrifuge for the manufacture of starch. : da en
  • CH228453A - Process for the production of color images, in particular for multicolor photography. : de en
  • CH228588A - Circuit arrangement with a rotary selector designed as a square selector. : de en
  • CH228545A - Frame for clamping and holding beaded pipettes for measuring the rate of sedimentation of blood cells. : de en
  • US2328009A - Check valve : en
  • US2328511A - Refrigerant evaporator : en
  • PL32061B1 - : en pl
  • ES159305A1 - A PROCEDURE FOR MANUFACTURING ARTIFICIAL FIBERS BY THE SPRAY PROCEDURE IN DRY VACUUM : en es
  • ES160880A1 - PROCEDURE FOR OBTAINING A CORD : en es
  • FR884882A - Pressure oil control valve for motor vehicle brakes and couplings : en fr
  • IE16617L - Selector switches : en
  • DE738911C - Shelter fan : de en
  • US2328329A - Lens : en
  • US2328034A - Photographic element and process : en
  • US2328004A - Lubricator : en
  • CH228486A - Filing machine. : en fr
  • BE451304A - High melting point superpolyesters manufacturing process : en fr
  • US2328476A - Omnidirectional range : en
  • DE738598C - Belt conveyor for mining operations : de en
  • ES161084A3 - IMPROVEMENTS IN THE MANUFACTURE OF ELECTRIC BURNERS : en es
  • USD136255S - Design for a plate or the like : en
  • AU117427B2 - Improvements inthe manufacture of ampoule type glass containers : en
  • CA414848A - Lead base alloy and cable sheath : en fr
  • CH228458A - A hinged sight on the barrel of firearms. : de en
  • ES160913A1 - PROCEDURE FOR THE MANUFACTURE OF A MILK IN ACIDIFIED POWDER : en es
  • ES161104A1 - IMPROVEMENTS IN THE MANUFACTURE OF SELF COILS OF SLIDING NUCLEUS : en es
  • CA414936A - Anti-friction bearing : en fr
  • US2328127A - Sucker rod stripper : en
  • US2328146A - Typewriting machine : en
  • CH228479A - Process for preheating welds, and installation for its implementation. : en fr
  • BE451689A - : en fr
  • US2328300A - Process for preserving materials of the powdery or mealy type : en
  • US2328335A - Flexible winding spool : en
  • DE738865C - Device for limiting the inrush current in transformers : de en
  • FR885081A - Improvements to gasifiers, in particular to those supplying explosion engines : en fr
  • CA414968A - Electrotherapeutic apparatus : en fr
  • FR885034A - Gas mixer for supplying internal combustion engines : en fr
  • US2328446A - Locking device for throtile valves : en
  • DK61266C - Bicycle dynamo with rotating Star Magnet. : da en
  • GB555579A - Improvements in or relating to colour filters : en
  • DE738897C - Self-propelled caterpillar vehicle with grave vessel : de en
  • GB555639A - Improvements in or relating to cylinder liners for internal combustion engines, compressors and the like : en
  • US2328434A - Speech transmission system : en
  • ES161034A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • AU561542A - Improved rotor ventilator : en
  • FR884941A - Compensation device for the influence of temperature on oscillating circuits : en fr
  • US2327994A - Mechanism for improving the dirigibility of ships, submarines, and aircraft : en
  • US2328080A - Storage and dispensing apparatus : en
  • US2328286A - Process of making heavy magnesium : en
  • ES160075A1 - A PROCEDURE FOR THE MANUFACTURE OF A BOOK WITHOUT THREAD SEWING : en es
  • US2328405A - Cutting machine : en
  • US2327992A - Process for the preparation of compounds of cerium : en
  • US2328471A - Drawing fixture : en
  • CH228388A - Rodent control agents. : de en
  • FR884905A - Device for transmitting frequency modulated carrier oscillations : en fr
  • DK61267C - Protective device for high-voltage direct current transmission systems. : da en
  • US2328029A - Flow proportioning device : en
  • DE738836C - Wide threshing machine : de en
  • ES160999A1 - IMPROVEMENTS IN THE ELECTRICAL HEATERS SYSTEM : en es
  • AU117413B2 - Improvements in or relating to airconditioning apparatus : en
  • ES160649A3 - ARTICULATED ELEMENTS DISPOSITION APPLICABLE TO THE MANUFACTURE OF DOLLS : en es
  • DE738765C - Monitoring device for steam trap : de en
  • GB555602A - Improvements in crucible furnaces : en
  • PL32036B1 - De-icing device for aviation propellers : en pl
  • CA414786A - Building siding material : en fr
  • FR885033A - Improvements to gasifiers : en fr
  • FR885097A - Treatment of objects based on polyvinyl chloride : en fr
  • ES160904A1 - CONNECTION PROVISION FOR TELEGRAPH BY ALTERNATE CURRENT WITH PHASE INVERSION : en es
  • US2328392A - Power transmission : en
  • FR885015A - Fuel for engines : en fr
  • FR884995A - Very large offset automatic ignition advance regulator for internal combustion engines : en fr
  • DE738789C - Device for the electrical measurement of torques by determining the change in inductive resistance : de en
  • GB555586A - Improvements in or relating to valve devices controlled by fluid pressure : en
  • ES160930A1 - IMPROVEMENTS IN FIXING DEVICES AND REGULATION OF OBJECT POSITIONS : en es
  • US2328342A - Heating pad thermostat : en
  • US2328412A - Multiple field magnet ignition magneto : en
  • US2328053A - Process of refining vitamin-bearing materials : en
  • USD136257S - Design for a serving stand : en
  • FR884992A - Distributor of gaseous or other fluids under pressure with obtaining a flow rate always proportional to consumption : en fr
  • GB555689A - Apparatus for use in the retreading and repairing of rubber pneumatic tyres : en
  • US2328167A - Wedge-type clamp and carrier bar : en
  • US2328290A - Method of making cementitious building units : en
  • US2328526A - Juice extractor : en
  • US2328037A - Voltage regulator : en
  • GB555638A - Improvements in or relating to circuit controlling apparatus, and telephone systems including such apparatus : en
  • GB555643A - Improvements in and relating to the regeneration of waste rubber : en
  • GB555655A - Safety razor blade preserving pads : en
  • DE738794C - Process for the production of a flour which is used for the simplified production of potato dumplings : de en
  • US2328082A - Tailgate mechanism : en
  • DE738741C - Support arm on display stands, in particular counter tops : de en
  • GB555679A - Improvements in or relating to paper feed mechanism for statistical and like machines : en
  • US2328063A - Process of cutting fabric : en
  • US2328178A - Manufacture of gasoline : en
  • DE738930C - Scanning hole disk for the interlace method : de en
  • ES161043A1 - A PROCEDURE FOR THE OBTAINING OF CONDENSATION BODIES (SYNTHETIC RESINS) OF THE PHENOL-ALDEHYDIC TYPE : en es
  • GB555671A - Improvements in or relating to turbine devices for the hydraulic transmission of power : en
  • FR884994A - Tap, especially for fluids under high pressure : en fr
  • ES160808A1 - IMPROVEMENTS IN THE WATER UNION, WITHOUT WELDING, OF TUBES : en es
  • FR885036A - Continuous dough mixer for pasta, intended for feeding a continuous press : en fr
  • GB555703A - Improved muffle kiln : en
  • GB555574A - Improvements relating to valves for use with fluid-filled tyres or tubes : en
  • GB555597A - Improvements in or relating to the removal of acetylene from hydrocarbon mixtures : en
  • DE738850C - Device for milling edge surfaces in wood or light metal on copy milling machines : de en
  • FR884888A - Bowl glass furnace : en fr
  • FR885012A - Preparation of aphrogenic substances from cork : en fr
  • US2328453A - Floor construction : en
  • PL32083B1 - Mechanical ammunition counter : en pl
  • CA414818A - Boat stern tube : en fr
  • ES157840A1 - A PROCEDURE FOR THE MANUFACTURE OF RESIN OILS OR SIMILAR SUBSTANCES : en es
  • FR884974A - Process for fixing hydrocyanic acid on butadiene : en fr
  • GB555603A - Improvements in protective electrical interlocking systems : en
  • GB555621A - Improvements in electric flash lamps : en
  • GR10142B - HOW TO MAKE A SPECIAL TIRE FOR WHEELS. : el en
  • US2328223A - Battery filling vent : en
  • DE738868C - Pipe connection, especially for furniture legs : de en
  • ES160890A1 - A DEVICE INTENDED TO EXTINGUISH A DISCHARGE PIPE WITH A MERCURY CÁTODO : en es
  • US2328345A - Fire-extinguishing apparatus : en
  • US2328125A - Method for making filaments : en
  • US2328153A - Trim tool : en
  • GB555580A - Improvements in and in the manufacture of band clips having closing worm gear : en
  • US2328349A - Valve : en
  • US2328120A - Pile raising structure : en
  • US2328372A - Mechanism for and method of charging containers with liquid : en
  • DE738795C - Valve for breathing apparatus : de en
  • PL32009B1 - Deutsche Gold-und Silber-Scheideanstalt vormaIs Roessler, Fran ikfurt n / M. Glass bleaching and bleaching agent : en pl
  • GB555593A - Improvements in and relating to electric supply circuits for electric welding apparatus : en
  • GB555657A - Improvements relating to reinforcements for cement, concrete or similar building slabs, stanchions, pipes, troughs and the like : en
  • DK61272C - Apparatus for Recording Tone Fluctuations. : da en
  • FR884913A - Wedges for table legs and other furniture : en fr
  • IE17479L - Dried potato powders etc. : en
  • US2327999A - Match book holder : en
  • DE738784C - Spacious iron reinforcement using lattice-shaped inserts : de en
  • DE738855C - Arrangement for protective devices of electrical lines, generators, etc. : de en
  • ES161085A1 - AN APPLICABLE MECHANICAL DEVICE FOR THE IMPROVEMENT OF TELESCOPES, BOTH MECHANICAL AND AUTOMATIC : en es
  • ES160852A3 - SPEED CHANGE MECHANISM FOR BICYCLES : en es
  • GB555595A - Improvements in and relating to apparatus for measuring the phase and amplitude of mechanical vibrations : en
  • CA414929A - Sanctuary oil lamp : en fr
  • US2328399A - Coating material recovery medium and process : en
  • US2328346A - Dividing head : en
  • ES5133Y - New suction cup. : en es
  • US2328118A - Means for preventing reverse flow from branch lines to supply mains : en
  • US2328179A - Alternating electric current rectifier of the selenium type : en
  • CA414909A - Propeller pitch hydraulic control device : en fr
  • DE738806C - Anti-skid for vehicle tires : de en
  • ES161048A1 - A PERCUTORING SLOT THREADER : en es
  • ES160976A1 - PROCEDURE FOR THE PREPARATION OF MORTARS AND CONCRETE BASED ON THE MARINE ZOOSPHERE IN UNION OF A MINERAL AGLOMERANTE : en es
  • ES160810A1 - A TORQUE SPRING : en es
  • FR885017A - Silhouette photographic recording process : en fr
  • ES160916A1 - IMPROVEMENTS IN ELECTRICAL HEATING ELEMENTS : en es
  • US2328241A - Coded track circuit signaling system : en
  • US2328294A - Connector : en
  • GB555716A - Improvements in or relating to draw-off cocks for controlling the flow of liquids : en
  • US2328221A - Specimen blade sharfener : en
  • US2328231A - Support for filtering apparatus : en
  • DE738753C - Process for the preparation of polymeric vinyl compounds : de en
  • ES161040A3 - A PROCEDURE FOR THE MANUFACTURE OF PLASTIC MATERIALS (SYNTHETIC RESINS) BY CONDENSATION OF PHENOL, CRESOL OR MIXTURES OF BOTH WITH FURANIC ALDEHYDE : en es
  • AU117433B2 - Improvements inthe production of branched chain alkanes : en
  • CA414962A - Barrel rack : en fr
  • GB555675A - Improvements in needles or reproducing points for use with gramophone tracks or the like : en
  • US2328362A - Power drive mechanism : en
  • US2328194A - Railway track liner : en
  • US2328182A - Arc welding table : en
  • PL31995B1 - Ringhoffer-Tatra Werke fl. G., Praga Room for spare wheels or tools or fuel tank in vehicles with reduced air resistance : en pl
  • CA414836A - Guanamine preparation : en fr
  • CA414950A - Projector for page printer : en
  • AU122199B2 - Electrodeposition of tin and its alloys : en
  • FR885001A - : fr
  • AU117420B2 - Improvements in return smoke tube boilers and steam superheaters for use therewith : en
  • ES152322A1 - A NEW TYPE OF MUELA FOR CRUSHERS OF WHEELS THAT SERVE AT THE SAME TIME OF PUMP : en es
  • US2328510A - Dihalo-ethylene copolymerization product : en
  • DE738752C - Process for splitting hydrocarbons : de en
  • DE738867C - Ointment base : de en
  • FR885024A - Automatic landing device for airplane and seaplane : en fr
  • DE736636C - Two-hand safety indentation for crank or eccentric presses : de en
  • US2328190A - Stabilizing hydrocarbon products : en
  • US2328445A - Blackout light : en
  • ES161106A1 - IMPROVEMENTS IN THE MANUFACTURE OF COMPRESSABLE PIPES : en es
  • FR884976A - Process for the extraction of magnesia from saline solutions which contain it and apparatus used for this purpose : en fr
  • FR885018A - Alpha-olefin isomerization process : en fr
  • FR884928A - Rotating capacitor : en fr
  • GB555622A - Improvements in and relating to wrapping machines : en
  • CA414841A - Guanamine preparation : en fr
  • CA414949A - Printing telegraph apparatus : en fr
  • ES160941A1 - ELECTRIC APPLIANCE VACUUM-AIR EXPULSOR : en es
  • ES161110A1 - APPARATUS FOR THE SIMULTANEOUS PRODUCTION OF HEAT FOR HOME USE AND OF WOODEN CARBON OR RED CARBON : en es
  • GB555665A - Improvements in machine for finishing top lift edges : en
  • US2328233A - Power drive for bicycles : en
  • CH228518A - Steam-gas thermal power plant. : de en
  • CH228553A - Arrhythmic printing telegraph usable at will for covert transmission or plain language transmission. : en fr
  • DE738915C - Stop light switch for motor vehicles : de en
  • FR885011A - Improvements in coupling devices for accumulators intended for electric traction vehicles : en fr
  • CH228413A - Machine with drive power up to 1000 watts. : de en
  • BE451582A - : en
  • US2328031A - Pipe clamp and method and apparatus for applying same : en
  • US2328227A - Transmission control : en
  • AU117415B2 - Improvements in syringe ampoules : en
  • CH228522A - Device for automatic starting of induction motors. : de en
  • DE738807C - Motor bike with drive block built into the rear wheel : de en
  • US2328050A - Conveyer : en
  • CA414817A - Diaphragm valve : en fr
  • FR884854A - Device for the protection of circuit breakers and similar devices against overvoltages, in particular against lightning strikes : en fr
  • DE738810C - Clamping device for hand machines for the production of twist locks for wire wraps : de en
  • ES161041A3 - A PROCEDURE FOR THE TREATMENT OF MINERALS BY FLOTATION : en es
  • FR884921A - Process for increasing the resistance of cement-based building materials and products made from these materials : en fr
  • GB555698A - Improvements in or relating to paper feed mechanism for statistical machines : en
  • CH228415A - Process for increasing the wetting ability of mercerising liquors. : de en
  • CA414954A - Reverse power relay : en fr
  • DE738770C - Covering device for expansion joints of bridges : de en
  • DE738796C - Windows for gas masks and goggles : de en
  • CA414792A - Knitted article : en fr
  • CH228556A - Magnetron circuit for superimposing ultrashort waves. : de en
  • CA414942A - Dense soda ash : en fr
  • CH228563A - Remote electrical control installation. : en fr
  • DE738826C - Receiving device with facility for automatic sharpening : de en
  • ES160814A1 - A PROCEDURE FOR THE DISCOLORATION AND IMPROVEMENT OF CURTIENT EXTRACTS : en es
  • FR885031A - Finishing the gear wheels : en fr
  • GB555669A - Improvements in and relating to reinforced plastic material : en
  • BE451560A - Beta-halogenated acoyl chlororcarbonates and method for preparing these products : en fr
  • US2328188A - Dairy animal restraining arm : en
  • USD136291S - Design fob a dress : en
  • US2328435A - Ticket issuing fuel dispensing apparatus : en
  • ES161062A1 - IMPROVEMENTS IN THE TISAJE WITH FRAME FOR GASA : en es
  • CH228477A - Mold for continuous casting of metallic blocks or hollow bars. : de en
  • CH228569A - Insert for converting a beaded rim into a wire-clad rim. : de en
  • PL32014B1 - Vereinigte Oberschlesische Hiittenwerke flktiengesellschaft, Gliwice Chassis for farm wagons : en pl
  • US2328383A - Article handling apparatus : en
  • BE451683A - OILY CLOTH CLEANING PROCESS : en fr
  • CH228544A - Small machine, especially for hand drive. : de en
  • DE738758C - Block cooler built into an aircraft wing behind the spar (s) wholly or partially within the wing profile : de en
  • CA414932A - Imitation leather finish : en fr
  • CH228481A - Non-metallic working device. : de en
  • AU690742A - Improvements inthe manufacture of metal tubing : en
  • US2328043A - Parking meter : en
  • US2328210A - Kettle : en
  • USD136258S - Design fob a handbag : en
  • DK61273C - Procedure and Installation for Determining the Velocity of Flying Projectiles. : da en
  • CH228420A - Ski boot. : de en
  • US2328385A - Girdle or the like : en
  • US2328131A - Oil filter : en
  • US2328330A - Rubber bushed joint : en
  • US2328396A - Full automatic centrifugal extractor machine : en
  • USD136262S - Design for a pitcher or similar article : en
  • US2328293A - Spectrophotometer monochromator drive : en
  • PL32092B1 - Television device : en pl
  • AU609442A - Improvements in methods of apparatus for roasting andor sintering ores andother finely divided materials : en
  • DE738779C - Process for processing bulky polyamide waste : de en
  • CA414843A - Silicon steel production : en fr
  • US2328463A - Prime mover : en
  • USD136286S - Design for a dress : en
  • AU640942A - Improvements in or relating to airconditioning apparatus : en
  • CA414947A - Stenciling apparatus : en fr
  • DE738763C - Process for dyeing molded structures made of superpolyamides : de en
  • US2328211A - Microscope : en
  • US2328316A - Crib : en
  • US2328428A - Gravity separator for coal : en
  • GB555718A - Improvements relating to collapsible tubes and like containers : en
  • FR884973A - Device for measuring extremely small amounts of radiation : en fr
  • FR884997A - Automatic lubricator for internal combustion engine cylinders : en fr
  • CH228520A - Compression cooling system with reciprocating compressor. : de en
  • ES152781A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF TIRES : en es
  • ES161061A1 - IMPROVEMENTS IN THE WHEELS FOR AUTOMOBILES AND OTHER VEHICLES : en es
  • ES153223A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF AN EXTENSIBLE TRACTION CABLE OF AUTOMATIC CUSHIONING FOR THE CARRIAGE OF VEHICLES : en es
  • ES161014A1 - IMPROVEMENTS IN THE ELABORATION OF YOGURT : en es
  • DE738931C - Microphone capsule largely protected against moisture : de en
  • FR885050A - Automatic lubricator for the top of cylinders of all kinds of engines : en fr
  • DE738769C - Ramp for placing an assembly crane on the top flange of bridges : de en
  • ES161086A1 - IMPROVEMENTS IN THE DEPOSITS, ESPECIALLY IN THE FIXED CUBES FOR LIQUIDS : en es
  • FR884952A - Corset : en fr
  • ES160906A1 - IMPROVEMENTS IN THE OBTAINING OF ANTI-CRYPTOGAMIC PRODUCTS AND ESPECIALLY ANTIPERONOSPORIC PRODUCTS BASED ON BETA-NAPHTHOL AND OTHER NAPTHALINE DERIVATIVES : en es
  • ES160818A1 - PROCEDURE TO OBTAIN A BLEUPHYL BLEACH WITH A BASE WEALTH AND SO2 ADJUSTABLE WITHIN A WIDE LIMIT, ESPECIALLY APPROPRIATE FOR THE TREATMENT OF HIGH SPECIFIC WEIGHT VEGETABLES : en es
  • US2328351A - Polymerized chloroprene compositions : en
  • CH228435A - Process for the production of a mixture of higher molecular weight polyamino compounds. : de en
  • PL32088B1 - Inz. Józef Plebanski, Warschau <7 $ 3c> Radio broadcasting device : en pl
  • GB555683A - Improved mixer for plastic compositions capable of rapidly setting to a solid mass : en
  • FR884925A - Molding process of artificial materials and metals by extrusion and injection : en fr
  • FR885025A - Double tangential action turbine: live force and pressure, which can be used as a compressor or pump : en fr
  • DE738830C - Reinforced concrete reinforcement for bombproof and bulletproof structures : de en
  • ES160820A1 - IMPROVEMENTS INTRODUCED IN THE CYLINDERS OF EXPLOSION ENGINES AND ESPECIALLY IN THE TWO-TIME EXPLOSION MOTOR CYLINDERS : en es
  • US2328111A - Lead extension : en
  • US2328181A - Garment construction : en
  • US2328534A - Rubber derivative product : en
  • DE738750C - Wood propeller from individual manufactured, untwisted and subsequently glued together wood thicknesses : de en
  • FR885051A - Cellular construction material for air circulation : en fr
  • ES161051A1 - AN INSTALLATION OF MECHANICAL TELEGRAPH OR FOR MACHINES : en es
  • ES160854A3 - POST-CRANE, REMOVABLE AND TRANSPORTABLE, QUICK ASSEMBLY, WITH ITS MOUNTING DEVICE : en es
  • GB555706A - Improvements relating to spot-welding machines : en
  • US2328500A - Endless flat elastic belt : en
  • DE738937C - Circuit arrangement for externally controlled saw tooth generators in which there is a voltage feedback : de en
  • ES160923A1 - A DEVICE TO MANUFACTURE MESH TISSUE WORK : en es
  • PL32058B1 - Device for recording and reproducing picture or picture-sound films - Patent dependent on patent No. 28668 : en pl
  • FR884954A - Audiometer : en fr
  • FR885014A - Armatures allowing the connection of small section aluminum conductors to terminals : en fr
  • GB555644A - Improvements in or relating to mechanical loaders for loose materials : en
  • GB555693A - Contact-spring pile-ups for electric switching devices : en
  • US2328085A - Application of cords to food products : en
  • ES160823A1 - A RECEIVER DEVICE FOR SIGNALS TRANSMITTED BY A CARRIER WAVE MODULATED BY SUCCESSIVE IMPULSES OF CONSTANT DURATION AND OF TEMPORARY VARIABLE CHARACTER : en es
  • US2328055A - Record selecting mechanism : en
  • US2328264A - Method of and apparatus for rectifying alternating currents : en
  • GB555584A - Improvements in the manufacture of laminated paper and like tubes : en
  • ES160945A1 - A PERFECTED MANUFACTURING PROCEDURE OF YEASTS : en es
  • ES158909A1 - A PROCEDURE FOR THE MANUFACTURE OF INDIRECT CALDEO CATHODES : en es
  • ES161096A1 - A PROCEDURE FOR THE OBTAINING OF A SUBSTITUTE PRODUCT OF FOREIGN OR COLONIAL COFFEE IN ALL ITS ASPECTS, FORMS, WEIGHTS AND SIZES OF GRAINS, COLOR, AROMA AND TASTE : en es
  • ES160807A1 - IMPROVEMENTS IN THE TELESCOPAS WITHOUT LANZADERA : en es
  • CA414875A - Water repellent agent manufacture : en fr
  • US2328145A - Color television : en
  • DE738755C - Lay wheel : de en
  • US2328315A - Surface drain : en
  • US2328440A - Blocking layer cell : en
  • USD136260S - Loewy locomotive body : en
  • USD136299S - Design for a dress : en
  • US2328011A - Shoe sewing machine : en
  • US2328322A - Tension controlling apparatus : en
  • GB555647A - Improvements in vacuum cleaner : en
  • US2328514A - Electric vacuum cleaner having a suction set which is movable over the surface to be cleaned : en
  • DE738818C - Arch bridge : de en
  • DE738925C - Radiation boiler with a main boiler drum at the front and a separation drum higher than this and above the combustion chamber : de en
  • GB555613A - A new or improved cloche : en
  • FR884944A - Manufacturing process for coloring pigments, coloring lakes and color paints : en fr
  • ES160886A1 - NEW APPLIANCE APPLICABLE TO ALL KINDS OF EXPLOSION ENGINES TO IMPROVE THEIR OPERATION : en es
  • FR884881A - Method and device for magnetic sound recordings for stereophonic reproduction : en fr
  • ES160803A1 - A PROCEDURE FOR THE MANUFACTURE OF POROUS RUBBER : en es
  • ES161097A3 - A HIGH-SPEED UNIVERSAL AND ZIG-ZAG SEWING MACHINE WITH ROTATING SHUTTLE : en es
  • GB555641A - Means for determining the location of a concealed part of a mechanism : en
  • GB555712A - Improvements in or relating to top-or heel-pieces for the heels of footwear and the method of manufacturing the same : en
  • ES160859A1 - IMPROVEMENT IN LIGHT ANTI-FRICTION ALLOYS : en es
  • US2328311A - Hydraulic hoisting and rotating apparatus : en
  • US2328354A - Baby feeding device : en
  • ES160988A1 - PROCEDURE FOR THE MANUFACTURE OF COMBUSTIBLE AGGLOMERATES : en es
  • GB555688A - Signalling and communication systems : en
  • ES161031A1 - PROCEDURE TO OBTAIN THE CONSERVATION OF AGRICULTURAL PRODUCTS : en es
  • FR884932A - Supercharged two-stroke equicurrent engine : en fr
  • GB555571A - Improvements in ribbon-feeding mechanism for typewriters and like machines : en
  • FR884953A - Assembly, in particular radio-electric receiver assembly. comprising a tunable oscillating circuit : en fr
  • ES160957A1 - IMPROVEMENTS IN HAMMER TIRES : en es
  • FR884890A - Support for the suspension clamp of the contact wire of the electric traction lines : en fr
  • ES160838A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRODES FOR THE SOLDERING OF COPPER AND ITS ALLOYS THROUGH VOLTAIC ARCH : en es
  • ES160962A1 - ARTICULATED PROVISION USED IN THE CONSTRUCTION OF FURNITURE : en es
  • FR884884A - Balms, creams, emulsions and the like : en fr
  • US2328026A - Method of and apparatus for washing garments or the like : en
  • US2328104A - Transmission : en
  • US2328280A - Control means and system of control for heating devices : en
  • US2328076A - Driving unit : en
  • US2328081A - Manifolding stationery : en
  • US2328480A - Register rail for double printing : en
  • US2328006A - Engine lubricator : en
  • US2328477A - Toolholder : en
  • US2328122A - Tackle block : en
  • FR884959A - Continuous furnace with oscillating beam conveyor : en fr
  • DE738599C - Conveyor belt : de en
  • FR884967A - Manufacturing process of machine parts with parts subjected to friction forces : en fr
  • US2328299A - Grading apparatus : en
  • DE738906C - Rubber strap showing cord inlays in cross section : de en
  • GB555606A - Improvements in the preparation of sisal fibre : en
  • US2328024A - Radio direction finder : en
  • PL32016B1 - I- G. Farbenindustrie flktiengesellschaft, Frankfurt n / M. Solid core coil : en pl
  • ES161111A1 - IMPROVEMENTS INTRODUCED IN THE LOCKOUT AND UNLOCKING DEVICES OF THE SLIDES ON THE TISSUE TILES : en es
  • ES160650A3 - ARTICULATED ELEMENTS DISPOSITION APPLICABLE TO THE MANUFACTURE OF DOLLS : en es
  • GB555577A - Method of and means for pumping a fluid and promoting constancy of flow of the fluid pumped : en
  • GB555659A - Improvements in or relating to calculating or like machines : en
  • US2328052A - Automatic record changer : en
  • DE738747C - Use of nickel-chromium alloys for dental purposes : de en
  • US2328506A - Heater : en
  • CA414825A - Power driven hoisting and conveying cart : en fr
  • US2328088A - Driving mechanism for hoists : en
  • US2328393A - Fluid coupling : en
  • CH228461A - Precision micrometer. : en fr
  • CA414889A - High pressure lamp exhausting machine : en fr
  • CA414863A - Machine element : en fr
  • ES160822A1 - A RADIOGONIOMETRIC DEVICE : en es
  • US2328083A - Mattress or the like : en
  • ES161130A2 - A SPEED CHANGE MECHANISM VIA PULLEYS, WITH A DRIVE BELT THAT PASSES BETWEEN PAIRS OF CONICAL PLATES : en es
  • GB555618A - Apparatus for receiving frequency modulated waves : en
  • GB555587A - Improvements in or relating to the heat treatment of metals : en
  • BE451583A - PREPARATION OF PHOSPHATE-BASED LAYERS ON METALS AND PRODUCTS FOR THE IMPLEMENTATION OF THIS PROCESS : en fr
  • ES160918A1 - A PROCEDURE FOR THE CONSERVATION AND TRANSPORTATION OF FERMENTABLE OR FLAMMABLE PRODUCTS : en es
  • ES161144A3 - MOTOR APPARATUS FOR THE MANEUVERING AND INTERLOCKING OF NON FORCED OPENING TRACKS WITH ELECTRICAL AND MECHANICAL CONTROL OF THE NEEDLE TIPS : en es
  • GB555695A - Improvements in or relating to hydraulic jacks for aircraft and the like : en
  • US2328270A - Oscillatory hammer : en
  • PL32054B1 - Electric voltage indicator device : en pl
  • ES160876A1 - SERIAL INSURANCE DEVICE FOR THE TOP PARTS OF TEXTILE USES : en es
  • GB555694A - Combined scuff plate and weather strip : en
  • PL32072B1 - Bendix flviation Corporation, Chicago, Illinois (f A measuring instrument based on measuring pressure by means of at least one elastic membrane flexing from it, with automatic compensation for errors or errors caused by temperature changes : en pl
  • ES160867A1 - PROCEDURE FOR THE MANUFACTURE OF CONDENSATION PRODUCTS CONTAINING SULFUR : en es
  • GB555656A - Modulation of cathode ray device : en
  • FR885091A - Installation and method for preparing copies of cinematographic films : en fr
  • DE712295C - Swimming fin to be used on the forearm : de en
  • ES160842A1 - INSTALLATION FOR THE PREPARATION AND TREATMENT OF OLIGODYNAMIC FILTERS FOR THE STERILIZATION AND FILTRATION OF CONTAMINATED LIQUIDS : en es
  • FR884889A - Wheel for pipe cutters : en fr
  • DE738781C - System for radiant heating or cooling : de en
  • DE738866C - Step transformer with flux drainage for regulation from a positive voltage value above zero to a negative voltage value and vice versa : de en
  • GB555700A - A protection shield for aircraft : en
  • GR10146B - METHOD AND INSTALLATION FOR CAPPING THE BOTTLES. : el en
  • US2328209A - Poultry housing : en
  • USD136253S - Design for an embossed leather : en
  • US2328150A - Condenser leadin for high electric potentials : en
  • US2328496A - Magnetostrictive microphone : en
  • GB555704A - Improvements in or relating to cleaner or gummer attachments for coal cutting machines : en
  • US2328217A - Guy tongs : en
  • AU117432B2 - Improvements in or relating to fluid pressure or fluid flow indicators : en
  • CH228475A - Device for continuous casting of metal pipes. : de en
  • PL32051B1 - Method of obtaining multi-colored image and sound films on layers of silver halide emulsion with diffusion-resistant dye components suitable for color development : en pl
  • US2328438A - Press ram : en
  • CH228574A - Cycle brake cable clamping device. : en fr
  • US2328491A - Bomb comprising a compressed mass of fire extinguishing powder : en
  • CA414915A - Flasher switch : en fr
  • CA414820A - Edible composition converting method : en fr
  • CA414857A - Friction clutch : en fr
  • CA414822A - Multi-jawed coupler : en fr
  • CA414842A - Substituted guanamine preparation : en fr
  • US2328077A - Shoe machine : en
  • CA414871A - Electric lamp terminal structure : en fr
  • CH228537A - Short wave tube for decimeter and centimeter waves. : de en
  • CH228450A - Process for the production of phosphate layers on metals. : de en
  • US2328169A - Means for instructing by histophonetics : en
  • US2328416A - Loose-leaf binder : en
  • CH228521A - Heat exchange processes and heat exchangers for carrying out the process. : de en
  • DE738905C - Device for cross-section measurement on thin wires, threads, ribbons or the like. : de en
  • US2328046A - Toaster : en
  • US2328124A - Steam generating electric iron : en
  • CH228524A - Coil insulation for electrical machines and apparatus. : de en
  • CH228532A - Process for the production of wall parts made of glass, in particular electrical discharge vessels. : de en
  • CA414890A - Lamp exhausting method : en fr
  • CA414903A - Asbestos fabric : en fr
  • CH228559A - Device for tuning radio sets with spread spectrum. : de en
  • CH228583A - Process for the production of a soluble synthetic resin mixture from thiourea and acrolein. : de en
  • US2328235A - Sitz bath : en
  • CH228396A - Device for the heat treatment of goods of various kinds, in particular for burning cement, alkaline earth carbonates, e.g. B. lime, magnesite and dolomite. : de en
  • BE451336A - : en
  • DE738811C - laundry detergent : de en
  • FR884986A - Heating and cooling process, means and devices : en fr
  • FR885092A - Mechanism for operating windows and in particular automobile windows : en fr
  • FR885095A - : fr
  • CH228438A - Method of manufacturing a paint. : de en
  • US2328045A - Feed-water heater : en
  • CH228505A - Piston conveying machine with at least one closing element controlled automatically by the conveying means. : de en
  • DE738841C - Process for the production of a pastry-like product from potatoes : de en
  • ES160877A2 - ROTATING TORQUE HYDRODYNAMIC TRANSFORMER, ESPECIALLY FOR AUTOMOTIVE : en es
  • US2328268A - Paper fastener : en
  • US2328324A - Drawing frame clearer : en
  • US2328486A - Stud-plate unit for hose supporters and the like : en
  • DE738856C - Melting and casting plant for the serial production of composite cast bearing shells : de en
  • ES161028A1 - A PROCEDURE FOR ALTERING CELLULOSE : en es
  • FR884901A - Removable wooden bed and box spring : en fr
  • DE738777C - Fault recorder for recording the rapid rise and fall in voltages or currents in interlinked multi-phase networks : de en
  • DE738835C - Device for regulating the density of a suspension : de en
  • CA414829A - Cold cement glaze production : en fr
  • DE738768C - Anchoring for the tension belt of suspension bridges : de en
  • ES160800A1 - PROCEDURE FOR THE EXTRACTION OF ALUMINATES FROM LIME WITH BLEACH OF SOSA CARBONATE : en es
  • ES160829A1 - PROCEDURE FOR OBTAINING LIGHT ALLOYS : en es
  • AU688342A - Heat exchange apparatus : en
  • DE738731C - Definition of the work area of computing devices for target devices : de en
  • ES159898A1 - DEVICE FOR THE AUTOMATIC ADDITION OF CHEMICALS DOSED TO LIQUIDS TO WHICH THEY PASS THROUGH CONDUCTIONS : en es
  • PL31998B1 - Unit for air cooling of car engines in rear engine vehicles : en pl
  • US2328403A - Method of photography and means therefor : en
  • AU117423B2 - Improved rotor ventilator : en
  • PL32004B1 - A method of producing insulating, sealing and road construction materials, as well as adhesives and similar materials, from soft coal tar pitches : en pl
  • CA414816A - Tagline device : en fr
  • CA414833A - Calculating machine : en fr
  • CH228446A - Process for the production of fibers, films and other deformation products with reduced swelling and reduced alkali solubility compared to products made from ordinary viscose. : de en
  • CH228550A - Process for the preparation of stable alkali metal humate solutions containing alkaline earth salts and having good wetting properties for therapeutic purposes. : de en
  • AU647342A - Ilmprovements redating to centrifugal separatoirs for concentrating slurries : en
  • CA414893A - Shaving implement : en fr
  • CA414854A - Centreless turning machine : en fr
  • FR884896A - Power supply device for a rare gas lamp and signaling device fitted with this device : en fr
  • DE738832C - Mold for the production of plastic pressed parts : de en
  • ES161016A1 - A SKIRT TIE SYSTEM : en es
  • US2328252A - Plate holder : en
  • US2328449A - Cultivator : en
  • US2328098A - Method of making lead articles : en
  • USD136261S - Loewy locomotive body : en
  • ES161006A1 - PROCEDURE FOR THE MANUFACTURE OF PERMANENT MAGNETS : en es
  • CA414809A - Auxiliary seat for closet bowls : en fr
  • CA414839A - Beta-alkoxyguanamine : en fr
  • CH228457A - Building element for toy building purposes. : de en
  • CH228456A - Filling pencil with device for attaching the lead to the lead pusher rod. : de en
  • ES159232A1 - PROCEDURE FOR THE PREPARATION OF PIGMENTS IN ORDER TO IMPROVE THEIR DENTAL PROPERTIES : en es
  • DE738740C - Insect repellants : de en
  • CH228576A - Gearbox for bicycles or similar. : en it
  • FR884923A - Improvements in methods and devices for supplying engines with aspirated gas : en fr
  • ES161132A1 - NEW PROCEDURE FOR THE MANUFACTURE OF CIRCULAR BRUSHES OF SPARTO FOR POLISHING METALS : en es
  • GB555633A - Improvements in or relating to pneumatic tires : en
  • GB555605A - Improvements in devices for feeding blanks to cutting and other machines : en
  • GB555710A - Improvements in electric switches for motor-driven pumps : en
  • FR884867A - Method for the vegetative growth of plants : en fr
  • CH228493A - Device comprising a reservoir, the interior of which is stuffed with a material capable of absorbing a flammable liquid, and a wick penetrating into said reservoir. : en fr
  • BE452444A - : en
  • PL32063B1 - Radio Corporation of America, New York, N.Y. A multi-band frequency superimposed radio receiver capable of receiving a number of relatively narrow frequency bands, especially in the shortwave range : en pl
  • PL32096B1 - The method of threading a fibrous yarn : en pl
  • US2328337A - Reciprocating electromagnetic : en
  • CA414826A - Fabricated wood beam : en fr
  • FR884939A - Double-acting compressor with eccentrically mounted rotary piston : en fr
  • FR885073A - Process for the preparation of valuable lubricating oils from anthracene oils : en fr
  • FR885000A - : fr
  • CH228429A - Process for the production of a new condensation product. : de en
  • PL32079B1 - Method of polymerization of diolefins : en pl
  • FR884989A - Mixing device for acetylene or other gas used at reduced pressure as fuel : en fr
  • GB555702A - Improvements in battery charging equipment : en
  • US2328020A - Retractible spout : en
  • PL32023B1 - Method for dyeing fibers, threads, yarns, ribbons, fabrics, etc., of glass and similar mineral materials : en pl
  • CA414872A - Motor control system : en fr
  • CH228552A - Process for the production of foam for technical purposes, in particular extinguishing purposes. : de en
  • ES160964A1 - ELECTRIC METER : en es
  • US2328189A - Refrigeration : en
  • ES160925A1 - A PROCEDURE TO ELIMINATE BY WASHING THE FLUOR, THE CHLORINE AND SIMILAR CONTACT POISONS, OF GASES OF TOSTATION OF WHICH THE FOLLOWING ACT HAS TO BE ELIMINATED THE ARSENIC BY ELECTRIC WAY : en es
  • US2328389A - Blade adjustment for wood planers : en
  • US2328529A - Convertible ice bunker for refrigerator cars : en
  • US2328237A - Window operating mechanism : en
  • US2328267A - Ladle : en
  • FR884879A - Liquid pump, in particular lubricating pump : en fr
  • GB555682A - Means for driving plaster composition mixers and the like : en
  • US2328028A - Ship construction : en
  • US2328159A - Preparation of halogen substituted aminoarylsulphonic acid derivatives : en
  • DE738746C - Springy memo plate with side tongues : de en
  • ES160816A3 - A QUIET RIVETING MACHINE : en es
  • ES160843A1 - PROCEDURE TO ENRICH THE TURBAS IN ITS NITROGEN CONTENT : en es
  • PL32043B1 - Method of hydropolymerization of olefinic hydrocarbons : en pl
  • US2328263A - Windshield safety guard : en
  • DE738863C - Arrangement for feeding an AC power consumption device from a DC power source : de en
  • CH228417A - Upper collar insert for shirt collars. : de en
  • DE738820C - Foot-operated high-voltage drive switch for electric vehicles, especially trolleybuses : de en
  • CA414797A - Positive displacement pump : en fr
  • DE738823C - Frequency converter : de en
  • GB555614A - Improvements in or relating to telephone or like systems : en
  • DE738786C - Hollow pumice concrete slab impermeable to water : de en
  • ES161076A3 - PROCEDURE FOR OBTAINING PRODUCTS FOR THE HANDLING OF TEXTILE FIBER YARN : en es
  • ES161109A1 - PROCEDURE FOR THE ATTACK OF BAUXITAS CONTAINING DIASPORA : en es
  • US2328374A - Device for aiding in hairdressing : en
  • GB555616A - Improvements in and relating to bins and stands or racks for storage and like purposes : en
  • ES160858A2 - A PROCEDURE OF WHITENING NATURAL AND DEGENERATED CELLULOSE : en es
  • DE738793C - Hydraulic remote control with refilling device : de en
  • FR884891A - Locking claw for film machines : en fr
  • FR884917A - Method for washing textiles and the like : en fr
  • GB555674A - Improvements relating to joints in rubber and to tools for use in making them : en
  • CA414948A - Side bearing : en fr
  • ES160927A1 - IMPROVEMENTS IN DEPOSIT GRAMOPHONES : en es
  • ES161081A1 - PROCEDURE FOR THE MANUFACTURE OF BALINES FOR SALON ARMS USING COMPRESSED AIR : en es
  • US2328499A - Control system foe vapor : en
  • ES160921A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF ROTARY PUMPS : en es
  • ES161091A1 - A PROCEDURE FOR THE OPERATION OF THE COGNITIVE POINT MACHINES, USING THE DRIVEN FORCE OF OTHER MACHINES, ESPECIALLY OF THE SEWING MACHINES : en es
  • ES160955A1 - IMPROVEMENTS IN PUMPS, PARTICULARLY IN FUEL PUMPS FOR THE FEEDING OF EXPLOSION AND INTERNAL COMBUSTION ENGINES : en es
  • FR885071A - Transmission hydraulic damper : en fr
  • GB555589A - Improvements in or relating to the regulation of alternating current circuits : en
  • FR885039A - Device for the secrecy of the transmission of messages : en fr
  • CA414896A - Broadcasting system : en fr
  • ES160984A1 - PROCEDURE TO REDUCE THE COEFFICIENT OF SWELLING OF TISSUE MATERIAL OF CELLULOSE HYDRATE : en es
  • ES160950A1 - A ROTATING KETTLE TO PREPARE MATERIAL OF FIBERS CONTAINING CELLULOSE : en es
  • US2328479A - Electric oven for high temperatures working under vacuum or under neutral gas : en
  • DE727660C - Roller frame for caterpillar tractor : de en
  • DE738743C - Rear suspension for motorcycles : de en
  • DE738791C - Vibration dampers under machines, the small oscillation amplitudes of which are superimposed in certain time intervals by impacts of other frequencies : de en
  • DE738873C - Method for soldering seams on vessels or tools made of tungsten or a tungsten molybdenum alloy : de en
  • GR10147B - VALVE AFTER VALVE. : el en
  • US2328014A - Fire detecting and extinguishing : en
  • US2328067A - Electrode holder : en
  • US2328154A - Electric switch : en
  • ES160872A1 - A DEVICE TO IMPROVE THE DEPARTURE OF SLOPES OF THE FUSION CHAMBER : en es
  • CA414930A - Aircraft instrument : en fr
  • ES160848A1 - LOW TEMPERATURE CARBONIZATION OVEN : en es
  • ES160908A1 - IMPROVEMENTS IN SEWING MACHINES OR MOUNT SANDALS AND OTHER SEWING MACHINES WITH METALLIC STAPLES : en es
  • CA414782A - Metal polishing element : en fr
  • PL32091B1 - Method of leaching mineral oils : en pl
  • USD136273S - Design for a combined neurological hammer, brush, and needle : en
  • CA414966A - Electrotherapeutic apparatus : en fr
  • US2328378A - Bumper : en
  • FR884999A - Improvements in the equipment of parachutists allowing their normal and directed descent : en fr
  • ES160967A1 - A STRETCHER APPARATUS FOR PRESSURE-SENSITIVE AND CRISP FIBERS : en es
  • CH228471A - Celluloid temples and method of making the same. : de en
  • FR884874A - Vessel or cauldron of silicon cast iron, acid resistant, heated or cooled by a coil, and method for its manufacture : en fr
  • CH228412A - Coil for automatic web shuttle. : de en
  • CH228452A - Method and device for turning pencils into a specific position. : de en
  • CA414895A - Turning machine : en fr
  • CH228480A - Compressed air hand riveting machine. : de en
  • US2328018A - Package and method of making the same : en
  • US2328288A - Cap for foundation vents : en
  • US2328033A - Prestressing reinforcing device for concrete : en
  • US2328133A - Pull line drum and mounting : en
  • CH228433A - Process for the preparation of 2,4-dibromo-androstanol acetate- (17) -one- (3). : de en
  • US2328456A - Apparatus for studying illumination : en
  • USD136259S - Design fob a locomotive body : en
  • CH228536A - Capacitor arrangement with adjustable capacitance. : de en
  • AU1080043A - Electrodeposition of lead : en
  • US2328507A - Tire stripping vulcanizing press : en
  • CA414937A - Centrifugal clutch control : en fr
  • CH228515A - Fuel delivery system for internal combustion engines. : de en
  • GB555585A - Improvements in and relating to the application of ethylene oxide and carbon dioxide for fumigation purposes : en
  • CA414859A - Universal joint bearing anchor : en fr
  • CH228589A - Pedal cranks for bicycles. : de en
  • US2328388A - Handling of rod bundles or the like : en
  • CA414964A - Shock absorber : en fr
  • US2328350A - Sandblasting apparatus : en
  • CH228529A - Switching drum of electrical installation switches. : de en
  • USD136290S - Design for a dress : en
  • CA414891A - Filament lamp testing machine : en fr
  • PL32076B1 - tfk, P F f / 40 Rheinmetall-Borsig flktiengesellschaft, Dusseldorf Electric drive of interlocks and turners cannon according to Leonard's system, including alternators excited by a manually actuated exciter with variable number of revolutions and in both directions : en pl
  • DE738711C - Ramp of a lifting platform : de en
  • CA414866A - Lignocellulosic material processing and products : en fr
  • CH228547A - Flexible and expandable pneumatic electrode for treatment by short waves and diathermic currents. : en fr
  • PL31997B1 - Device for enhancing the cooling effect of rear-engined motor vehicles and motor vehicles with airborne resistance reduced drag : en pl
  • US2328107A - Electrical connecting and conditioning apparatus : en
  • US2328520A - Condenser winding machine : en
  • CH228387A - Methods of combating nematodes. : de en
  • DE738788C - Multi-part vulcanizing mold for the production of rubber metal bodies : de en
  • CA414941A - Fatty acid amide and free acid manufacture : en fr
  • BE451324A - : en fr
  • US2328187A - Repair of broken lighting filaments : en
  • US2328313A - Mounting structure : en
  • US2328168A - Pipe clamp : en
  • CA414883A - Photoflash lamp : en fr
  • DE738737C - Beet cleaner : de en
  • ES160939A1 - IMPROVEMENTS INTRODUCED IN THE ALMOND AND SIMILAR FRUIT MACHINES : en es
  • USD136264S - Combined towel and wash cloth rack or similar article : en
  • USRE22369E - Collapsible form : en
  • US2328056A - Keying arrangement for electric signaling systems : en
  • US2328523A - Shoe heel : en
  • US2328326A - Door construction : en
  • US2328484A - Process for the preparation of nitrogen chloride : en
  • CA414853A - Gun sight : en fr
  • US2328497A - Winding : en
  • US2328381A - Pipe joint : en
  • AU608342A - An improved pneumatic wheel : en
  • US2328277A - Bomb : en
  • US2328347A - Process of incubation of eggs : en
  • FR885072A - Automatic acetylene lamp : en fr
  • PL32090B1 - The method of refining fibrous materials : en pl
  • FR885080A - Improvements to low temperature carbonization furnaces : en fr
  • CH228384A - Cultivator for cultivating the soil. : de en
  • US2328228A - Core assembly : en
  • ES160902A1 - A VALVE FOR SHORT WAVES : en es
  • US2328220A - Rotary deflection separator : en
  • FR885077A - Large effect derailleur for gear changes by chain and stepped sprockets for bicycles, tandems or the like : en fr
  • ES161123A1 - PROCEDURE FOR THE AUTOMATIC EVACUATION OF THE LIQUID SUPPLIER CONTAINED IN A HIGH PRESSURE CONTAINER : en es
  • FR884860A - Manufacturing process of woolly synthetic fibers : en fr
  • GB555640A - Improvements in or relating to abrasive articles : en
  • GB555594A - Improvements in and relating to the production of insulating tubing having a fabric foundation : en
  • FR884906A - Small size camera : en fr
  • ES161137A1 - IMPROVEMENTS IN THE MANUFACTURE OF OCULAR WINDOWS FOR ANTIGAS CARETAS : en es
  • CH228548A - Process for the production of trans-estradiol from cis-estradiol. : de en
  • ES160915A1 - PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL TEETH WITH DESTINATION TO PROSTHETIC-DENTAL USES : en es
  • US2328100A - Hand luggage construction : en
  • US2328519A - Transmission : en
  • DE738852C - Egg carton : de en
  • ES160997A1 - A SLIDING NUCLEUS DEVICE : en es
  • ES161032A1 - PROCEDURE FOR THE MANUFACTURE OF A REVOKE OR LINKED : en es
  • FR884951A - Contact for cables, especially for ignition cables : en fr
  • GR10148B - DRIVER SYSTEM FOR THE QUICKLY INSTALLATION OF THE ELECTRIC CASTLE OF THE ROD - ANTENNA OF THE TRAFFIC VEHICLES ON THE AIR PIPELINE. : el en
  • US2328219A - Light polarizer and process of manufacture : en
  • US2328204A - Garage door : en
  • ES160839A1 - A PROCEDURE FOR THE MANUFACTURE OF ELECTRODES FOR ELECTRIC WELDING : en es
  • ES161082A1 - A DISHWASHER MACHINE FOR SIMULATED PITCH SHOOTING : en es
  • PL32011B1 - Daimler-Benz flktiengesellschaft, Stuttgart-Unterturkheim Injection nozzle : en pl
  • PL32070B1 - MICP f / flJr 43/00 Sageb Societe Rnonyme de Gestion et d, Exploitation de brevets, Freiburg Missile containing a rocket charge : en pl
  • CA414785A - Hydraulic valve : en fr
  • GB555672A - Improvements in or relating to interferometers for determination of length : en
  • FR884993A - High Power Shotgun Cartridge : en fr
  • GB555705A - Improvements in latches and in combined locks and latches : en
  • US2328089A - Recovery of soluble lead salts from insoluble lead compounds : en
  • AU555042A - Improvements in and relating to pumps : en
  • DE738803C - Sieve insert with filling funnel for fuel container : de en
  • DE738822C - Circuit arrangement for sawtooth-shaped electrostatic deflection of cathode rays : de en
  • FR884865A - Plow and winch for its traction : en fr
  • GB555636A - Improvements in and relating to the treatment of vegetable seeds and particularly to the treatment of soya beans : en
  • ES160885A1 - PHASE DISPLACEMENT COMPENSATION DEVICE FOR POTENTIAL TRANSFORMERS : en es
  • FR884990A - New product presented in the form of agglomerated grains, for use in gasifiers : en fr
  • GB555691A - Improvements in or connected with mechanism for the conversion of motion according to one law into motion according to another law : en
  • ES161121A1 - NEW DOUBLE-RUN DRILLING MACHINE SYSTEM : en es
  • GB555583A - Improvements in or relating to liquid fuel burners : en
  • FR884985A - Device for supplying combustion engines with the aid of a combustible gas such as acetylene : en fr
  • ES160937A1 - A DEVICE TO EQUALIZE RECTIFICATION WHEELS : en es
  • US2328274A - Earth drilling mechanism : en
  • US2328271A - Clamping tool : en
  • USD136274S - Design for a dress : en
  • CH228573A - Luggage racks for bicycles. : de en
  • USD136265S - Design for a badge or the like : en
  • CA414862A - Vehicle spring suspension system : en fr
  • CH228531A - Device for suppressing overcurrents on the primary side of constant voltage-constant current converters. : de en
  • GB555573A - Handle attachment for tinware or other containers : en
  • GB555681A - A process for the preparation of ferric oxide : en
  • AU674442A - Improvements in and relating to starting switches : en
  • US2328114A - Vibration amplitude and center of oscillation indicator : en
  • ES161147A3 - AN APPARATUS FOR REMOTE MECHANICAL CONTROL OF BARRIERS FOR REMOTE MECHANICAL MANEUVER OF TIPPING BARRIERS : en es
  • ES160903A1 - A PROVISION TO DELETE FREQUENCY DEPENDENT COURSE ERRORS IN ANTENNA PROVISIONS IN COMBINATION WITH GONIOMETERS : en es
  • GB555687A - Improvements in or connected with power-operated presses : en
  • ES160907A3 - A SPECIAL HIGH-SPEED SEWING MACHINE, FOR THE MAKING OF CLOTHING AND IN PARTICULAR FOR KNITTING : en es
  • FR884880A - Radiation electron tube, especially high power braun tube : en fr
  • PL32064B1 - The method of obtaining components of vapor mixtures from the gases containing them : en pl
  • FR885075A - Powder box : en fr
  • US2328455A - N-alkali metal-n, n-dihalogen acylsulphanilamides : en
  • DE738805C - Outer sleeve for pneumatic tires : de en
  • US2328524A - Safety device : en
  • GB555570A - A new mixture of unsaturated fatty acids and a process for making same : en
  • ES157636A1 - A PROCEDURE FOR THE MANUFACTURE OF FLAT OR TRAPEZOID BELTS : en es
  • CA414965A - Eye shield : en fr
  • CH228386A - Apparatus for sorting eggs. : de en
  • US2328508A - Apparatus for forming coated frozen confections : en
  • FR884878A - Method or mode of operation of presses for extruding bars, tubes and cables : en fr
  • DE738198C - Process for the preparation of core alkylation products of aromatic compounds : de en
  • FR885010A - Motor vehicle with closed body : en fr
  • ES160849A1 - IMPROVEMENTS IN HOUSEHOLDS FOR BURNING HUSKS, PIGS AND OTHER COMBUSTIBLES : en es
  • FR884969A - Piston for internal combustion engine, in particular piston conforming to the press for aircraft engines : en fr
  • GB555630A - Improvements in and relating to hydraulic governors : en
  • US2328273A - Change speed device : en
  • US2328148A - Filter : en
  • US2328184A - Suction cleaner : en
  • US2328376A - Typewriting machine : en
  • DE738874C - Welded connection between flange and web plate of beams : de en
  • US2328532A - Autographic register : en
  • DE738749C - Process for the size reduction of particles by ultrasound : de en
  • FR884911A - Mold for the continuous casting of metal blocks or the like : en fr
  • CH228527A - Device for the automatic adjustment of contact organs. : de en
  • CH228539A - Circuit for supplying direct current consumers with constant current via power converters. : de en
  • US2328498A - Combustion control system : en
  • CA414914A - Chair : en fr
  • PL32094B1 - N .. V. Philips' <3Ioeilampenfabrieken, Eindhoven Radio receiver, tuneable with one or more buttons : en pl
  • PL32037B1 - Radio Corporation of flmerica, New York, N.Y. Deflection coil assembly for beam cathode ray tubes : en pl
  • US2328136A - Electron tube : en
  • ES161071A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • ES161099A1 - NEW SYSTEM OF PROPULSION AND SUSTAINABILITY IN AERIAL APPLIANCES : en es
  • FR884899A - Contact rectifier with components weakening the current at the contacts : en fr
  • CH228422A - Sieve for granulated materials. : en fr
  • CA414952A - Railway car truck : en fr
  • CH228487A - Splitting knife for splitting machines, especially for splitting gas wood. : de en
  • US2328186A - Automatic box : en
  • US2328312A - Hydraulic hoisting and rotating apparatus : en
  • DE738729C - Sighting device for weapons on moving weapon carriers, especially for airborne weapons : de en
  • GR10144B - SMALL METAL SHOE FLOORS AND NAKES TO FIX THEM. : el en
  • FR884963A - Process for the manufacture of yarns and films obtained from viscose and exhibiting low swelling power at the same time as greater resistance to alkaline substances : en fr
  • FR885068A - Improvements made to means of adjusting free-piston turbogenerator units : en fr
  • USD136284S - Design foe a hat : en
  • DE738871C - Technical inner tube : de en
  • ES160832A1 - PROCEDURE FOR THE MANUFACTURE OF FERTILIZERS : en es
  • ES155361A1 - PROCEDURE FOR MANUFACTURING A SIGNAL, LETTER OR SIMILAR REFLECTOR : en es
  • ES161141A3 - A LATCH PULLEY FOR THE MANEUVERING OF THE TRAFFIC LIGHTS FINS : en es
  • GB555600A - Improvements in or relating to means for fastening rolled fire hose and the like : en
  • ES160339A1 - AN INSTALLATION OF PREVIOUS NOTICE OF TRAINS WITH PRIOR NOTICE AND WITH CONSTANT INDIVIDUAL MAIN WARNING : en es
  • US2328161A - Water cooled silencer : en
  • US2328160A - Fluid sealing device : en
  • US2328461A - Continuous recorder for color changes : en
  • US2328406A - Pressure relief expansible reservoir for condition responsive indicating devices : en
  • CH228445A - Process for the production of thermal insulation compounds. : de en
  • PL32033B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven Unbalanced conductivity electrode assembly : en pl
  • DE738700C - Facility for the production of mineral or slag wool : de en
  • FR885048A - Flying machines, in particular airplanes : en fr
  • DK61265C - Electrical Signaling and Remote Control System. : da en
  • USD136271S - Mastrangelo dining booth unit : en
  • PL32048B1 - Hazeltine Corporation, Jersey City, New Jersey. Tuned parallel high frequency vibration circuit and tube generator linkage with such a vibration circuit : en pl
  • FR884946A - Massager with automatic piston lubrication : en fr
  • FR885046A - Gas metering-mixer for internal combustion engines : en fr
  • FR885016A - Airplane speed and drift indicating devices : en fr
  • US2328047A - Stretcher : en
  • US2328177A - Fuse link construction : en
  • US2328373A - Electric distribution system : en
  • CA414778A - Printing roll : en fr
  • FR884859A - Machine for stripping drawn and rolled products by mechanical friction action : en fr
  • DE738782C - Electrode steam heater : de en
  • GB555653A - Improvements relating to hones : en
  • CA414898A - Frequency modulation distortion correction system : en fr
  • US2328355A - Animal growth promoting substance : en
  • US2328291A - Automatic transmission : en
  • US2328361A - Method of conditioning sludge : en
  • US2328377A - Typewriting machine : en
  • PL31992B1 - Ringhoffer-Tatra Werke f \. G., Praga Arrangement of venting slots in the bonnet of airline vehicles with rear engine, cooled : en pl
  • US2328472A - Split evaporator for cooling systems : en
  • US2328040A - Assembly jig : en
  • US2328266A - Operating mechanism for switches : en
  • DE738849C - Anti-skid chain composed of individual parts : de en
  • US2328325A - Powdered catalyst recovery : en
  • CA414812A - Nut lock : en fr
  • DE738762C - Drive device for the tobacco supply on cigarette machines : de en
  • US2328115A - Rotary valve : en
  • US2328512A - Ribbed dome hollow head valve : en
  • CA414905A - Sedimentation apparatus : en fr
  • CH228419A - Shoe insole. : de en
  • US2327979A - Lined garment : en
  • US2327993A - Vapor and liquid contact apparatus : en
  • US2328101A - Method of providing adherent metal coatings on surfaces : en
  • US2328414A - High-pressure steam generator : en
  • US2328466A - Mechanism for controlling movements : en
  • AU646042A - Improvements inthe production of branched chain alkanes : en
  • CA414869A - Electric circuit interrupter : en fr
  • CA414882A - Photoflash lamp : en fr
  • US2328126A - Pneumatic mote control : en
  • US2328003A - Vacuum cleaner coupling construction : en
  • US2328164A - High speed cutting mechanism : en
  • PL32062B1 - Radio Corporation of America, New York, N. Y. Radio reception system with electronic tuning indicator : en pl
  • US2328256A - Laundry apparatus : en
  • SE108343C1 - : en
  • US2328400A - Billfold or pocket case : en
  • FR885023A - Instantly removable lock with a single bolt constituting either a so-called latch bolt and a dead bolt : en fr
  • CH228546A - Matrix band holder for dental treatment. : de en
  • US2328251A - Index mechanism : en
  • DE738757C - Trellis for peas u. like : de en
  • CA414787A - Fluorescent lamp : en fr
  • US2328068A - Closure seal : en
  • US2328521A - Unit air conditioning system : en
  • USD136282S - Design for a hat : en
  • PL32081B1 - A method of making soap : en pl
  • USD136275S - Design for a dress : en
  • ES161063A1 - IMPROVEMENTS IN THE ELECTRIC IRONS : en es
  • US2328278A - Grain handling mechanism : en
  • USD136252S - Design for a thermostat casing : en
  • USD136294S - Design for an apron : en
  • US2328285A - Dental flask : en
  • DE738870C - Method and device for the production of beryllium, magnesium and alkaline earth metals by fused-salt electrolysis : de en
  • GB555608A - Improvements in nuts : en
  • GB555719A - Improvements in or relating to regulator valve apparatus for locomotives : en
  • CH228406A - Utensil for pitting fruit. : en fr
  • DE738739C - Device for attaching axle journals to butter tubs made of thin metal walls : de en
  • CA414935A - Airscrew : en fr
  • US2328198A - Low electrical resistance paper and method of making same : en
  • US2328001A - Means and method of bringing oil wells into production : en
  • US2328332A - Damper : en
  • US2328488A - Rectifier : en
  • CH228497A - Double seat valve. : de en
  • US2328075A - Heel-end lasting machine : en
  • FR885093A - Method and apparatus for making strips or ribbons for flash lamps : en fr
  • GB555598A - Improvements in liquid fuel burners : en
  • FR884894A - Wringing or filtering press : en fr
  • CA414801A - Aeroplane control device : en fr
  • US2327984A - Production of low viscosity ureaformaldehyde alcohol resin solutions : en
  • CA414793A - Knitted fabrics and article and method of making same : en fr
  • CH228491A - Percussion punch. : en fr
  • US2328158A - Art of refining : en
  • AU645442A - Improvements in or relating to fluid pressure or fluid flow indicators : en
  • BE451420A - Lubricants prepared from benzol for debenzolizing : en fr
  • ES160926A1 - CARBURING PROCEDURE WITH YOUR DEVICES, FOR GASOLINE-FUELED EXPLOSION ENGINES AND OTHER FUELS : en es
  • CH228391A - Sealing device on a door. : de en
  • CH228442A - Process for the production of soft rubber-like, cold-resistant utensils from polyvinyl chloride. : de en
  • CH228496A - Articulated line consisting of individual pipe sections joined together. : de en
  • CH228411A - Process for the production of fabrics, in particular tapes, consisting of elastic and inelastic parts. : de en
  • CH228500A - High pressure central lubrication system. : en fr
  • CA414858A - Constant velocity joint : en fr
  • CH228462A - Device indicating the level of a tank. : en fr
  • PL32055B1 - Bendix flviation Corporation, Chicago Centrifugal tachometer : en pl
  • US2328234A - Process for reactivating used catalysts : en
  • CH228555A - Circuit arrangement in telephone systems with main and sub-offices. : de en
  • PL32002B1 - Ringhoffer-Tatra Werke fl. G., Praga Design of cooling air inlet openings to the engine compartment on air-shaped vehicles with rear engine : en pl
  • ES160895A1 - A PROCEDURE TO REINFORCE THE EFFECT OF PLASTIC REPRESENTATIONS RELIEF : en es
  • FR884987A - Compressed gas cylinder : en fr
  • US2328367A - Container : en
  • CA414970A - Grinding and polishing machine : en fr
  • US2328530A - Steam generator : en
  • PL32065B1 - A method of producing coatings on walls and panels : en pl
  • US2328462A - Refrigerating system : en
  • US2328246A - Condiment holder : en
  • US2328451A - Elastic fluid turbine arrangement : en
  • US2328116A - Fountain pen : en
  • US2328298A - Detachable coupling for high pressure hose : en
  • FR884934A - Balanced modulator for powerline communications, in particular harmonic telegraphy : en fr
  • PL32020B1 - Daimler-Benz flktiengesellschaft, Stuttgart— Unterturkheim Valve needle guide for injection nozzles : en pl
  • AU117422B2 - Improvements in and relating to pumps : en
  • US2328339A - Vehicle wheel lock : en
  • US2328025A - Process for the production of yeast having high vitamin b1 potency : en
  • US2328283A - Disconnect switch : en
  • US2328352A - Liquid composition containing polymerized chloroprene : en
  • USD136292S - Design fob a dress : en
  • US2328394A - Full automatic centrifugal extractor machine : en
  • AU117416B2 - Improvements in valves for pneumatic tyres and other articles : en
  • CA414923A - Anti-friction bearing : en fr
  • CA414835A - Roofing felt : en fr
  • CA414892A - Electrographitic material processing : en fr
  • PL32018B1 - Manufacturing method from manganese ores of metallic manganese and possibly pure manganese dioxide : en pl
  • US2328093A - Kite-type sewer washer : en
  • US2328193A - Vegetative propagation of plants : en
  • CA414805A - Licker grinder : en fr
  • US2328176A - Purification of carbon disulphide : en
  • US2328395A - Apparatus for processing sugars and the like : en
  • US2328522A - Rubber band dispenser : en
  • US2328214A - Oxygen regulator : en
  • US2328257A - Ventilating black-out roller shade : en
  • US2328064A - Steering release mechanism : en
  • US2328475A - Endless belt : en
  • DE738760C - Working arm with grippers for diving chambers : de en
  • DK61270C - Blinds, in particular Blackout blinds. : da en
  • ES154939A1 - METHOD FOR THE MANUFACTURE OF ARTIFICIAL FIBERS FROM PRODUCTS OF POLYMERIZATION OF ACRYLIC ACID HOMOLOGOUS OR OF FUNCTIONAL DERIVATIVES OF THESE HOMOLOGOUSES, BY THE DRY YARN PROCEDURE : en es
  • ES160805A1 - BRUSH MECHANISM FOR MOBILE SCREENS : en es
  • FR884977A - Continuous production of powdered carbon by dissociation of acetylene gas : en fr
  • DE738761C - Machine for stringing tobacco leaves : de en
  • CH228439A - Process for the production of shaped structures. : de en
  • US2328368A - Color photography and cinematography : en
  • USD136272S - Design for a prayer cross : en
  • FR884996A - Gasifier set for motor vehicles : en fr
  • DE738817C - Process for the preparation of condensation products of the pyrrolidine series : de en
  • DE738778C - Process for the production of core wire electrodes : de en
  • US2328429A - Machine for forming wire reinforced tape : en
  • US2328517A - Movable position finding devices, particularly course protractors : en
  • DE738623C - Circuit arrangement for telephone systems with main and sub-offices : de en
  • US2328436A - Filter apparatus : en
  • GB555680A - New method of retreading and repairing rubber pneumatic tyres : en
  • ES152433A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • ES160864A3 - INTRODUCTION PATENT FOR OBTAINING A STEEL FOR FAST TURNING TOOLS : en es
  • PL32047B1 - Method of obtaining beryllium and beryllium alloys : en pl
  • US2328213A - Amalgamator : en
  • CH228454A - Light-sensitive photographic element. : en fr
  • US2328467A - Refrigerator : en
  • PL32071B1 - The method of attaching the metal gsiCTclijii tape and the groove for attaching it in this way : en pl
  • BE449950A - : en fr
  • ES161103A1 - IMPROVEMENTS IN THE MANUFACTURE OF METAL CONTAINERS FOR CANNED PRODUCTS : en es
  • AU648542A - Television transmitting system : en
  • CH228557A - Device for frequency doubling of ultra-high frequency oscillations. : de en
  • ES161044A1 - A PROCEDURE FOR THE OBTAINING OF PLASTIC MATERIALS (SYNTHETIC RESINS) OF WASTE DISTILLING FROM WOOD AND OTHER MATERIALS OF VEGETABLE ORIGIN : en es
  • US2328155A - Expansion joint : en
  • ES160917A1 - IMPROVEMENT IN APPARATUS FOR THE PREPARATION OF INFUSIONS, ELECTRICAL OPERATION AND DESPROVISTOS DE CALDERA : en es
  • CA414850A - Sight for guns : en fr
  • CH228385A - Planter. : de en
  • CH228431A - Process for the production of furfural. : de en
  • CA414938A - Screw conveyer coupling means : en fr
  • US2328007A - Check valve : en
  • AU454342A - Improvements in or relating to means for supplying heated air to furnace and the like fires : en
  • PL31999B1 - Ringhoffer-Tatra Werke R. G., Prague Axial blower for a cooled car engine : en pl
  • US2328206A - Identification badge holder : en
  • CH228499A - Change gear with infinitely variable friction gear and differential gear. : de en
  • US2328216A - Latch construction : en
  • AU117405B2 - Carbonising metals : en
  • CH228495A - Horizontal internal combustion engine. : de en
  • CH228564A - Tube. : de en
  • CH228389A - Device for spreading means for combating pests living in corridors. : de en
  • USD136287S - Design for a dress : en
  • CH228410A - Process for the serial production of fabric bags each provided with a final pulling piece. : de en
  • CH228469A - Control device for drives. : de en
  • CA414784A - Hydraulic valve : en fr
  • CA414838A - Guanamine preparation : en fr
  • FR885074A - Automatic fire starter gun : en fr
  • DE738728C - Resilient return : de en
  • FR885045A - Method and apparatus for hydrolyzing cellulosic materials : en fr
  • FR885096A - Refractory product containing chromium oxide : en fr
  • CA414831A - Printing device : en fr
  • ES160812A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SHEARS TO CUT METAL PLATES : en es
  • CA414864A - Siding panel : en fr
  • AU117425B2 - Television transmitting system : en
  • ES160990A1 - IMPROVEMENTS IN LIGHT METAL STEMS FOR COMBUSTION ENGINES WITH ONE-SIDE ELASTIC STEM : en es
  • ES161115A1 - PROCEDURE FOR THE PREPARATION OF N- (3,4-DIMETHYLBENZOIL) -P-AMINOBENZOSULFONAMIDE SALTS : en es
  • CA414911A - Inorganic fibre mat coherence increasing apparatus : en fr
  • CH228449A - Lime saturator for use in water purification. : de en
  • DE738907C - Light alloy pistons with piston seals using one-piece or multi-piece piston rings made from two different materials : de en
  • AU117417B2 - Improvements inthe manufacture of metal tubing : en
  • CA414969A - Woven belt : en fr
  • CH228468A - Method and device for calibrating meters. : de en
  • US2328408A - Golf stroke teaching machine : en
  • US2328156A - Massaging apparatus : en
  • CH228535A - Ignition device on converters with a liquid cathode. : de en
  • DE738872C - Device for determining the speed of a vehicle : de en
  • DE738876C - Adjusting strut, in particular for actuating aircraft components, e.g. retractable landing gear : de en
  • PL32078B1 - The method of splitting or hydrogenating the materials under pressure : en pl
  • PL32029B1 - Maybach-MotorenbauGesellschaftmitbeschrankterHaftung, Friedrichshafena / B. Roller bearing ring for great speeds and loads : en pl
  • CH228402A - Process for producing glass films by blowing. : de en
  • DE738831C - Injection molding machine for thermoformable plastics : de en
  • FR885066A - Pressure regulator with corrector, in particular for motor vehicles running on gaseous fuels : en fr
  • FR885052A - Grain pulverizer crusher : en fr
  • CH228488A - Method and device for the production of plastic cages provided with rollers for roller bearings. : de en
  • FR885042A - Generator, filter and metering device allowing the use of acetylene gas as fuel in explosion engines : en fr
  • GB555709A - Improved method of applying fire extinguishing or blanketing foam to the surface of liquids in vertical circular tanks and in apparatus therefor : en
  • ES155252A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SOLID AND REMOVABLE CONSTRUCTION WALLS, MADE AT LEAST IN PART OF ARTIFICIAL SUBSTANCE : en es
  • FR884960A - Rotary drum for heat treatment of all types of materials : en fr
  • FR885063A - Secret telegraphy method and devices : en fr
  • BE451515A - : fr
  • CA414846A - Brake arrangement : en fr
  • ES161142A3 - NEW ELECTRICAL CONTROL DEVICE FOR RAILWAY NEEDLES DESIGNED ESPECIALLY FOR CONTROLLING STATIONS : en es
  • PL32046B1 - : en pl
  • ES161047A1 - IMPROVEMENTS INTRODUCED IN THE DEVICES INTENDED FOR REVIVING THE FIRE IN THE GASOGENS, AND ESPECIALLY IN THE GASOGENS OF THE TRANSVERSAL TIRE VEHICLES : en es
  • GB555646A - Improvements in or relating to the enclosing casing of a propeller or impeller : en
  • USD136293S - Casing for a carpet sweeper or similar article : en
  • FR885054A - Improvements made to furnaces, and especially to steel and glass melting furnaces : en fr
  • US2328130A - Method of assembling mechanical refrigerators : en
  • ES161067A1 - IMPROVEMENTS IN THE WELDING LAMPS : en es
  • GB555590A - Improvements in machines for making stems for electric vacuum tubes and the like : en
  • ES161102A1 - A FOOTWEAR DEVICE : en es
  • GB555625A - Improvements in the production of rubber-like materials : en
  • FR885098A - Mixer for gasifier : en fr
  • CA414856A - Transmission mechanism : en fr
  • US2328490A - Diphenylsulphone derivative : en
  • DK61261C - Collector for elastic bands. : da en
  • GB555651A - An invention relating to engines of the internal combustion type : en
  • US2328042A - Headband : en
  • ES160879A3 - A PROCEDURE FOR GLUING WOOD AND OTHER MATERIALS, MAINLY CELLULOSIC, BY USING SYNTHETIC RESINS : en es
  • ES160940A1 - IMPROVEMENTS INTRODUCED IN THE DISTRIBUTION OF LIQUIDS OR GASES : en es
  • US2328192A - Method of hairdressing : en
  • US2328410A - Ceramic insulating material and process for producing the same : en
  • US2328353A - Azo dyestuff intermediate : en
  • US2328424A - Urea-triazine resin : en
  • FR884978A - Compressed air motor generated by an explosive : en fr
  • GB555661A - Improvements in means for adjusting the brake shoes of internally expanding brakes : en
  • ES160995A1 - A PROCEDURE APPLICABLE TO HEATING AND SIMILAR USES, CONSISTING OF THE PRODUCTION AND EMPLOYMENT, FOR THE PURPOSES INDICATED, OF SATURATED WATER STEAM, AT ANY PRESSURE : en es
  • ES154976A1 - A PERFECTION OF A PNEUMATIC HAMMER SUITABLE TO DEVELOP RIVET WORK AND CINCELLATION : en es
  • FR885083A - Anti-aircraft watch device : en fr
  • GB555699A - Improvements in photographic materials and processes, especially processes relating to colour photography : en
  • ES160831A1 - PERFECTED PRESS FOR EXPRESSING THE OILS OF GRAINS OR FRUITS : en es
  • GB555707A - Improved method and means for renewing web rolls in printing and other machines : en
  • ES160857A1 - A DEVICE INTENDED TO PRODUCE VERY HIGH FREQUENCY OSCILLATIONS : en es
  • ES161055A1 - PROCEDURE FOR THE OBTAINING OF NEW PRODUCTS DERIVED FROM SULFAMIDES : en es
  • FR884968A - Circular saw for wood with tilting support for workpieces : en fr
  • DE738622C - Circuit arrangement for telephone systems with main and sub-offices : de en
  • GB555720A - Method of soldering foils of aluminium and aluminium alloys and a solder for use in such a method : en
  • PL32066B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven Delayed automatic loudness control and radio with such an arrangement : en pl
  • ES160954A1 - AN INTERCOMMUNICATION PROCEDURE : en es
  • ES161136A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • USD136276S - Needle worker s utility holder : en
  • FR885027A - Piston engine with closed circular cylinder giving continuous rotary motion : en fr
  • GB555713A - Rivet setting tool : en
  • DE738928C - Method for tempering steel wire : de en
  • FR884870A - Method for giving optical indications in direction beam transmitters, manipulated by points and lines, intended in particular for controlling heading lines : en fr
  • FR884950A - heat exchanger for water heating systems : en fr
  • PL32074B3 - A method of embedding refractory stones or bricks without mortar with the use of intermediate sheet metal inlays : en pl
  • GB555676A - Improvements relating to the control of the tension in lengths of material passing between coiling and uncoiling mechanisms : en
  • FR885028A - Large surface area volume flotation cell : en fr
  • FR885055A - Safety gas filter : en fr
  • GB555617A - Improvements in apparatus for continuously conditioning conveyor rolls : en
  • US2328108A - Recoil-operated self-loading firearm : en
  • US2328444A - Ignition system : en
  • US2328191A - Starch conversion process : en
  • CA414788A - Stove pipe : en fr
  • FR884900A - Ignition transformer for high voltage arc rectifier, especially for marx rectifier : en fr
  • CH228512A - Pneumatic control of the fuel gas inlet into the cylinder of a two-stroke gas engine. : de en
  • CH228533A - Periodically actuated switching device, in particular for forming purposes. : de en
  • ES161027A1 - IMPROVEMENTS IN ELECTRICAL COMBINERS : en es
  • DE738730C - Mirror visor with beam path adjustable according to lead values : de en
  • US2328021A - Derivatives of amines : en
  • US2328427A - Fruit and vegetable basket and cover : en
  • CH228554A - Booster assembly. : de en
  • PL32007B1 - Daimler-Benz flktiengesellschaft, Stuttgart — Unterturkheim "* ^ fff Fuel filter for injection nozzles> j f / bL ** : en pl
  • FR885056A - Standard wings fitted with gasifier for motor vehicle : en fr
  • US2328061A - Hydraulic vise : en
  • US2328218A - Studio couch : en
  • ES161072A1 - A NEW PROCEDURE TO INCREASE THE BRIGHTNESS AND STRENGTH OF VARNISHING OR ENAMELLING, SAVING VARNISH OR ENAMEL : en es
  • FR884948A - Process and tooling for the production of dental prosthesis parts, in particular crowns : en fr
  • PL32039B3 - Device for transmitting signals from the trail to the interior of the train : en pl
  • ES160896A3 - PERFECTED OVEN FOR THE TREATMENT, WITH OR WITHOUT CARBONIZATION, OF PRILEAN MATERIALS AND OTHERS : en es
  • AU605942A - Improvements inthe manufacture of rubber in sheet or crepe form and of rubber articles : en
  • US2328360A - Glare shield mounting : en
  • USD136295S - Qne-fiece molded insulation switch base : en
  • AU716942A - Improvements in return smoke tube boilers and steam superheaters for use therewith : en
  • CA414960A - Wind driven electric unit device : en fr
  • GB555711A - Improvements in or relating to machines for heading and/or indenting cartridge cases : en
  • CA414943A - Electric connector : en fr
  • CH228492A - Drive device for actuating the closing elements of cone locks. : de en
  • US2328230A - Box : en
  • DE738846C - Pipe rupture protection : de en
  • DE738860C - Device on a machine for the production of coils from wire or tape : de en
  • DE738825C - Process for the automatic sharpening of electrical oscillation circuits : de en
  • US2328245A - Water heater with safety drain : en
  • ES157807A1 - A MECHANISM FOR THE ADAPTATION OF SOFT METAL PARTS OR CARTOON SUSTAINABILITIES OR ANALOGUE MATERIAL : en es
  • CA414944A - Asphalt manufacture : en fr
  • FR885041A - Device for hydraulically actuated driving or braking mechanism : en fr
  • PL32056B1 - Societe flnonyme pour les Applications de 1'Electricite et des Gaz Rares Etablissements Claude — Paz & Silva, Paris Luminous mass : en pl
  • CA414967A - Electrotherapeutic apparatus : en fr
  • ES161019A1 - A RECTIFIER INSTALLATION, ESPECIALLY FOR GREAT POWERS : en es
  • ES161039A1 - COMBINED ENGINE UNIT FOR CARGO BOATS AND OTHERS : en es
  • DE738759C - Row drop device for bombs and other loads that can be dropped by an aircraft : de en
  • US2328019A - Desk : en
  • US2328254A - Chair bed : en
  • USD136297S - Van vactor : en
  • ES160993A1 - PROCEDURE FOR THE MANUFACTURE OF A MILK POWDER ADDED OF NUTRITIVE SUGAR : en es
  • US2328255A - Chair bed : en
  • US2328533A - Glass article and method of manufacture thereof : en
  • DE738797C - Breathing cartridge : de en
  • ES160824A1 - A DEVICE FOR LIFTING AND LIFTING A LIFE BOAT SUSPENDED IN TWO RIGGES : en es
  • GB555667A - Improvements in or connected with mechanism for the conversion of motion according to one law into motion according to another law : en
  • ES158253A3 - A CRANE WITH A SWING BOOM : en es
  • GB555631A - Improvements in high-frequency electrical measuring systems : en
  • ES161117A1 - NEW HEAD OR MULTIPLE AUTOMATIC ROTATION TO SPREAD VEGETABLE FIBERS : en es
  • FR884871A - Process for the continuous manufacture of glycols and polyglycols from olefinic oxides : en fr
  • GB555588A - Improvements in or relating to the removal of acetylene from gaseous mixtures : en
  • FR885078A - Carbide distributor for acetylene generator : en fr
  • FR885020A - Processes for obtaining strong glues or gelatins for industrial and other use : en fr
  • FR884919A - Adjustable carbonization furnace with recovery of tars and pyroligneous liquids : en fr
  • CA414927A - Printing press : en fr
  • US2328132A - Relief valve : en
  • FR884938A - Process for improving synthetic materials obtained from albuminoid substances, polyamides or products resulting from a mixture of these components, as well as articles made from said materials such as threads, strips and films : en fr
  • ES160968A1 - A DEPOSIT AND SIMILAR FOR LIQUIDS OF CORROSIVE EFFECT : en es
  • USD136298S - Van vactor : en
  • FR885022A - Device for mixed supply of internal combustion engines : en fr
  • DE738813C - Process for revitalizing catalysts contaminated by carbon or tar deposits : de en
  • CA414781A - Hair net : en fr
  • CA414821A - Edible composition converting apparatus : en fr
  • US2328239A - Projector shutter : en
  • GB555652A - Improvements in sleeping tents for automobiles : en
  • ES160933A1 - IMPROVEMENTS IN THE MANUFACTURE OF IGNITION PLUGS : en es
  • ES160989A1 - ELECTRIC OVEN FOR THE AFINO OF METALS : en es
  • DE738842C - Process for the extraction of albumin, hemoglobin and other protein substances from fresh slaughter animal blood with the addition of anticoagulant substances : de en
  • DE738887C - Process for shading greenhouses : de en
  • DE738780C - Gas-heated large kitchen stove : de en
  • DE738808C - Grinding wheel : de en
  • FR884864A - Improvement in shoes with articulated wooden soles : en fr
  • GB555627A - Improvements relating to cargo sling hooks : en
  • FR884866A - water-in-oil emulsions : en fr
  • FR884914A - Enhancements to pliers for castration of animals : en fr
  • US2328258A - Apparatus for controlling the slide movement in long-bed hydraulic presses : en
  • USD136251S - Design fob an egg separator : en
  • DE738845C - HEPA filter consisting of a folded endless paper band : de en
  • CA414849A - Optical sighting apparatus : en fr
  • CH228530A - Self-blowing switch. : en fr
  • US2328183A - Coating apparatus : en
  • USD136289S - Design fob a dress : en
  • PL32095B1 - The method of producing condensation products from formaldehyde and ammonium salts ,,,, : en pl
  • US2328303A - Clutch control : en
  • US2328418A - Process for color cinematography : en
  • ES160841A1 - IMPROVEMENTS IN THE TELESCOPAS WITHOUT LANZADERA : en es
  • DE738713C - Device for power transmission : de en
  • FR884873A - Filter mounted in a container on the fuel tank of a motorcycle : en fr
  • US2328032A - Airplane running light installation : en
  • US2328441A - Structural member : en
  • ES160850A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SAFETY OR ANTI-DETENNATING CAMERAS : en es
  • ES157999A1 - A NON-COMBUSTIBLE ENERGY PRODUCER PROCEDURE NONE : en es
  • ES160958A1 - IMPROVEMENTS IN THE MANUFACTURE OF APPLIANCES USING RECTIFIER VALVES : en es
  • FR884979A - Principle of water supply of an acetylene gas generator and operation of said generator, by waterfall on calcium carbide, for the supply of gaseous fuel to internal combustion engines, in all their applications : en fr
  • DE738895C - Walking beam hearth, the walking beam of which is connected to each other by cross members and can be moved in the horizontal direction and is suspended from pendulum rods : de en
  • BE451574A - : en fr
  • ES160676A1 - AN ELEVATOR APPARATUS : en es
  • ES160998A1 - A DEVICE FOR THE IGNITION OF A PIPE OF DISCHARGES IN GAS OR STEAM, WITH COLD CÁTODO AND WITH ELECTRODE OF CAPACITATIVE IGNITION : en es
  • FR884862A - Manufacturing process of alloys, containing aluminum, for permanent magnets : en fr
  • FR884910A - Improvements made to the rolling bottoms of rotary tube furnaces with cooling drums established below : en fr
  • GB555601A - Improvements in high frequency amplifiers utilising electron discharge devices : en
  • FR885086A - Acetylene generator device for powering engines : en fr
  • FR885062A - Automatic double safety valve for explosion engines : en fr
  • DE738886C - Process for the production of amber solutions which can be processed directly into lacquers : de en
  • CH228490A - Device to be internally rectified. : en fr
  • CA414860A - Laundry marking pin holder : en fr
  • CH228507A - Guide device on centrifugal pumps or fans. : de en
  • PL32060B1 - N. V. Philips * Gloeilampenfabrieken, Eindhoven. Flash : en pl
  • US2328421A - Box supporting device : en
  • CH228525A - Condenser type electrical insulator. : en fr
  • US2328091A - Fluid operated clutch : en
  • US2328269A - Molding material : en
  • AU122200B2 - Electrodeposition of lead : en
  • CH228404A - Central heating boiler with lighting device. : de en
  • US2328022A - Tape serving machine : en
  • US2328140A - Catalyst resulting from hydrolysis of alloys of catalytic metals and hydrolyzable metals : en
  • CA414834A - Cigar packing device : en fr
  • DE738767C - Hand numbering stamp with a numbering mechanism that can be moved up and down : de en
  • US2327982A - Surveying instrument : en
  • US2328048A - Fountain implement : en
  • USD136296S - Sznycer airplane glider : en
  • CA414823A - Multi-jawed coupler : en fr
  • CA414827A - Vehicle braking system : en fr
  • CH228478A - Method of casting metal blocks. : de en
  • CA414876A - Chemical process and product : en fr
  • CH228414A - Roller stitching needle. : en fr
  • US2328084A - Container : en
  • CA414794A - Circular knitting machine : en fr
  • CH228506A - Axial fan with recovery turbine. : de en
  • ES160894A1 - IMPROVEMENTS IN THE CONSTRUCTION OF VAULTS FOR INDUSTRIAL OVENS : en es
  • ES160959A1 - ELECTRIC MIXER : en es
  • CA414951A - Printing telegraph projector for page printers : en fr
  • US2328224A - Clamp truck : en
  • CA414840A - Beta-alkoxybutyroguanamine : en fr
  • US2328425A - Urea-triazine resin : en
  • FR884927A - Installation of blind landing signals : en fr
  • FR884936A - Assembly for teleprinter exchanges : en fr
  • US2328134A - Mining machine chain bit and holder therefor : en
  • CA414795A - Lumber manufacture : en fr
  • DE738756C - Self depositors for threshing machines : de en
  • DE738833C - Pressing device for gluing synthetic resin film onto the thread : de en
  • DE738910C - Impact airship with an outer protective cover made of rigid material for the supporting body : de en
  • AU645042A - Carbonising metals : en
  • CA414887A - Vitreous vessel sealing machine : en fr
  • CH228489A - Device for connecting respectively. Closing the side edges of celluloid covers for ID cards, cards or the like. : de en
  • CH228519A - Steam power plant with at least two feed water tanks. : de en
  • ES161107A1 - SPEED REDUCER ESPECIALLY APPLICABLE TO ELECTRIC MOTORS : en es
  • GB555664A - Improvements in electrical systems for remote control : en
  • PL32031B1 - Maksymilian Grochowski, Warschau and Wladyslaw Krzyzanowski, Warschau The standing frame : en pl
  • US2328248A - Saw-tooth wave generator : en
  • CH228394A - Installation on canals to remove debris from the water. : de en
  • PL32077B1 - Closing device for flail pawls of mechanical looms : en pl
  • BE451668A - 2,4,6-Triketo-hexa-hydroxy-pyrimidines, spirocyclic, alkylated to a nitrogen atom and process for their preparation : en fr
  • CH228405A - Filtering device for gases, in particular generator gases. : de en
  • DE738838C - Fuel feed device for internal combustion engines : de en
  • CH228551A - Process for the preparation of p-aminobenzenesulfonyl- (a-aminopyridyl) -methylene sulfonic acid hexamethylenetetramine. : de en
  • PL32084B1 - A method of producing clay with a high percentage of A / 203 and a high chemical reaction capacity from monobasic aluminum sulfite : en pl
  • US2328259A - Polar coordinate cathode-ray tube : en
  • US2328409A - Stretcher : en
  • US2328314A - Power system and control therefor : en
  • US2328260A - Convertible davenport and bed : en
  • US2328420A - Compressor : en
  • US2328439A - Heat transfer apparatus : en
  • CA414902A - Building unit : en fr
  • FR885082A - Fork lock for bicycles and others : en fr
  • PL32005B1 - Daimler-Benz flktiengesellschaft, Stuttgart — Unterturkheim F0 £ l »fc4 / fg Injection nozzle : en pl
  • ES160819A1 - IMPROVEMENTS IN THE CONSTRUCTION OF HEATERS FOR HAIR WAVE : en es
  • GB555620A - Improvements relating to building constructions : en
  • AU117401B2 - Improvements inthe manufacture of rubber in sheet or crepe form and of rubber articles : en
  • CA414868A - Insulated electric conductor : en fr
  • CH228504A - Vacuum packing press for fruit juice extraction. : de en
  • PL31993B1 - Ringhoffer-Tatra Werke fl. G., Praga Ventilation slots in the engine compartment on airtight vehicles with rear engine : en pl
  • CH228409A - Process for producing a highly curled synthetic fiber flake. : de en
  • PL32030B1 - : en pl
  • CH228451A - Process for the manufacture of molded wood fiber products. : de en
  • DE738880C - Gas container ceiling protected against fire bombs : de en
  • PL32087B1 - A method of automatic regulation of the vibration amplitude in repeaters, especially television repeaters, and a device for using this method : en pl
  • US2328147A - Fuel mixture : en
  • DE738302C - Device for slitting and pushing pipe ends out of a wall, in particular from a drum wall of a water tube boiler : de en
  • FR885094A - Method and apparatus for carrying out reactions with liquid amalgams : en fr
  • CA414780A - Ironing press : en fr
  • DE738801C - Cooling air supply in vehicles, especially in buses with an internal combustion engine in the rear : de en
  • FR884971A - piston blank : en fr
  • GB555637A - Improvements in polyphase dynamo electric machines : en
  • DE738862C - Device for determining the side of a DF system : de en
  • US2328105A - X-ray shield : en
  • US2328095A - Battery holder : en
  • CA414830A - Gun fire director device : en fr
  • PL32040B1 - Charles Baron, Grenoble and Paul Yerola, Paris Explosives and how to make them : en pl
  • US2328465A - Metalliferous substantive dyestuffs : en
  • US2328398A - Coating composition : en
  • DE738834C - Fluid brake for performance measurement : de en
  • ES160337A1 - AN AUTOMATIC BRAKE FOR CHILDREN AND SIMILAR CARS : en es
  • GB555632A - Adjustable backrests for chairs : en
  • FR884863A - Highly emitting surface cathode : en fr
  • GB555615A - Improvements in or relating to metal rectifiers : en
  • US2328137A - Sleeve shortener : en
  • CH228416A - Haspelkuve. : de en
  • ES155692A1 - A PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL TEETH : en es
  • ES161124A2 - IMPROVEMENT IN THE PRODUCTION OF EXOTHERMAL PACKAGES, ENVELOPES OR PACKAGES TO CURL THE HAIR : en es
  • FR884983A - Processes for manufacturing agglomerates of charcoal resulting from coniferous fruits : en fr
  • FR884904A - Improved fibrous materials and their manufacturing process : en fr
  • ES160992A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • FR885065A - Improvements to pistons, in particular for internal combustion engines : en fr
  • FR885067A - Process for the preparation of a crystallized and non-hygroscopic calcium salt of d-pantothenic acid : en fr
  • ES161007A1 - A MECHANISM OF SPEED CHANGE THROUGH PULLEYS, WITH A TRANSMISSION BELT THAT GOES BETWEEN PAIRS OF CONICAL PLATES : en es
  • GB555721A - Electric selecting systems : en
  • ES160901A1 - EXTREME CONNECTION DEVICE OF TWO-ALTERNANCE TELEPHONE CENTRAL OR WAYS WITH FREQUENCY CARRIER FOR TETRAFILAR AERIAL LINES AND FOR FREQUENCY CARRIER SYSTEM CHANNELS : en es
  • US2328527A - Safety device for sewing machines : en
  • CH228390A - Parquet floor. : de en
  • ES161021A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF TRAVIES OF ARMED CONCRETE FOR RAILWAYS : en es
  • CA414924A - Spark plug electrode : en fr
  • FR884964A - Foam producing apparatus forming pneumatic jet pump : en fr
  • IE17645L - Folding chairs : en
  • US2328163A - Measuring instrument : en
  • FR885003A - Water-soluble high molecular weight acyl-biguanides, and process for their preparation : en fr
  • ES160922A1 - PROCEDURE FOR THE MANUFACTURE OF A FOOD AND MEDICINE PRODUCT : en es
  • DE738879C - Arrangement for the independent transport of armored vehicles by air : de en
  • ES160891A1 - A PROCEDURE FOR THE OBTAINING OF DRY PRESERVES : en es
  • USD136285S - Design fob a handbag : en
  • ES161127A1 - PROCEDURE FOR THE MANUFACTURE OF ALKALINE CLORITES : en es
  • US2328135A - Supporting means for drawing boards : en
  • FR884909A - Improvements made to sealing devices for rotary tube furnaces, cooling drums or the like, by sealing rings applied to one another : en fr
  • DE738819C - Boiler drain valve with two coaxial valve cones that can be moved axially against each other : de en
  • DE738787C - Kneading paddle for two or more paddle rubber kneading and mixing machines : de en
  • ES160856A1 - A SYSTEM OF ELECTRODES, ONE OF WHICH, AT LEAST, IS INTERRUPTED IN A MANNER THAT CONSTITUTES A CERTAIN NUMBER OF DIFFERENT CELLS : en es
  • ES159928A1 - A SYSTEM OF PRODUCTION AND USE OF VEGETABLE GAS CHEMICALLY PURE, FROM WOODS AND CHARGES PROPERLY COMPRESSED IN VESSELS : en es
  • GB555677A - Improvements relating to mixing machines : en
  • US2327980A - Automatic declutching means : en
  • US2328171A - Disconnecting switch : en
  • US2328382A - Flexible check valve and vacuum breaker : en
  • US2328276A - Land mine : en
  • ES160974A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF PAINTS : en es
  • FR884902A - Circular merry-go-round with two rails : en fr
  • GB555599A - Improvements in cloth-cutting machines : en
  • GB555684A - Improvements in and relating to rotary plug cocks and like closure members : en
  • GB555686A - Improvements in or relating to centrifugal friction clutches : en
  • ES161005A3 - HOME MACHINE FOR THE PREPARATION OF FOOD PASTA : en es
  • ES161009A1 - A RECTIFIER INSTALLATION, SPECIALLY INDICATED TO CHARGE BATTERIES : en es
  • US2328262A - Control for clamps : en
  • US2328244A - Circular saw machine : en
  • US2328079A - Means for preventing ice formation on aircraft wings : en
  • CH228534A - Magnetic amplifier. : de en
  • CH228443A - Resin press mix. : de en
  • ES160863A3 - A PROCEDURE FOR OBTAINING A STEEL FOR QUICK TURNING TOOLS : en es
  • FR884895A - Electric dust collector with electrodes formed by parallel plates forming a gas passage, for automobiles operating on generator gas : en fr
  • US2328175A - Hydrodynamic torque transmitting device, with molded plastic rotor : en
  • US2328201A - Bit control for percussive tools : en
  • US2328038A - Suction cleaning apparatus : en
  • ES156918A1 - IMPROVEMENTS INTRODUCED IN THE LAMPS OF INCANDESCENCE OR DISCHARGE PIPES : en es
  • FR884877A - Elastic suspension for bicycle : en fr
  • US2328375A - Typewriting machine : en
  • DE738734C - Receiver with economy circuit : de en
  • ES160862A3 - UNIVERSAL APPARATUS FOR HANDLING STRIPS : en es
  • FR884982A - Trichlorethylene oxidation process : en fr
  • DE738881C - Device for communication between motor vehicles for the transmission of optical overtaking signals : de en
  • ES158306A1 - PROCEDURE FOR THE MANUFACTURE OF CARTON BOXES : en es
  • FR884853A - Device for supplying dough to a dividing chamber : en fr
  • FR885076A - System for fixing the cheeks in the spoked hubs : en fr
  • US2328341A - Coupling hook : en
  • US2328404A - Glass tempering : en
  • CH228427A - Device for sealing the insulating tubes of cell connections on bipolar electrolysers. : de en
  • US2328289A - Engine leakage meter : en
  • USD136269S - Brooch or similar article : en
  • US2328232A - X-moxo-s : en
  • US2328379A - Artificial tooth : en
  • US2328287A - Holder for mops and other articles : en
  • ES157765A3 - PROCEDURE FOR OBTAINING A MEANS FOR DRY CLEANING AND WHITENING OF LEATHER, CANVAS AND SIMILAR ARTICLES : en es
  • FR884957A - Process for the preparation of beta-alanine : en fr
  • GB555649A - Improvements in and relating to electric discharge devices of the liquid cathode type : en
  • GB555596A - Automatic control means for fire-trailer and like pumps for water boosting purposes : en
  • US2328226A - Washing machine : en
  • US2328478A - Piezoelectric transducer : en
  • ES161145A3 - DEVICE FOR MANEUVERING, INTERLOCKING AND CHANGING RAILWAYS : en es
  • GB555604A - Collapsible baby carrying cot : en
  • DE738799C - Inner shoe brake with preferably hydraulic spreading device for motor vehicles : de en
  • GB555626A - Improvements in pressure gauges : en
  • CA414901A - Milking machine teat cup : en fr
  • PL32067B1 - A method for the production of carbon-containing refractory shapes : en pl
  • ES160875A1 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 159025 : en es
  • ES160827A1 - NEW EASILY REMOVABLE BARRACON SYSTEM, ESPECIALLY OF METALLIC CONSTRUCTION : en es
  • FR884893A - Catgut treatment process : en fr
  • DK61262C - Cover for Books or Boxes. : da en
  • ES157709A3 - A PROCEDURE TO REPAIR OVENS AND APPLIANCES FOR HEAT TREATMENT DURING WORK AND ESPECIALLY FOR MARTÍN OVENS : en es
  • ES160813A3 - IMPROVEMENTS IN THE MECHANISMS FOR SOUND READING IN CINEMATOGRAPHIC FILMS : en es
  • ES160985A1 - PROCEDURE FOR CONTINUOUSLY REGENERATING THE SPINNING BATHING DISSOLUTIONS SPENT ON THE PRODUCTION OF ARTIFICIAL FIBERS AND FILMS BY THE VISCOSE METHOD : en es
  • US2328333A - Polymerization process : en
  • PL32024B1 - Henryk Sluzewski, Warschau Disinsection chamber : en pl
  • DE738773C - Method for cementing Seignette salt crystals : de en
  • US2328215A - Burglar alarm for motor vehicles : en
  • US2328321A - Drier drum : en
  • US2328459A - Finishing stone : en
  • BE451505A - Process for the preparation of carbamic ethers-salts : en fr
  • CH228424A - Macaroon dressing machine. : de en
  • CA414808A - Synchronous motor : en fr
  • CH228516A - Starting device on internal combustion engines intended for driving vehicles in particular. : de en
  • FR885029A - Acoustic or gas vibration damper : en fr
  • CH228444A - Process for the production of polycondensation products. : de en
  • CH228441A - Process for the production of artificial structures. : de en
  • PL32093B1 - Bombrini Parodi —Delfino, Rome Explosive mixture : en pl
  • US2328225A - Radio frequency induction heating apparatus : en
  • CH228528A - Terminal block. : de en
  • US2328099A - Wardrobe case cover stay device : en
  • CA414933A - Bolt anchor : en fr
  • US2328195A - Refrigeration : en
  • US2328407A - Ground reflector : en
  • US2328531A - Indicating means : en
  • PL32052B1 - N. V. Philips' Gloeilampenfabrieken, Eindhoven rlv (\ t • H * 0 Gas-filled electric tube discharge lamp : en pl
  • CH228485A - Automatic reversing threading machine. : en it
  • US2328044A - Combination low pressure feed heater : en
  • PL32012B1 - A method of research using the spectral analysis of bodies in the state of fine fragmentation, especially liquid bodies : en pl
  • US2328203A - Paint mask structure : en
  • DE738725C - Impact crushing for furnaces : de en
  • DE738776C - Feedback band filter : de en
  • ES158330A1 - A PROCEDURE FOR THE MANUFACTURE OF A PAINT OF GREAT POWER, DRY AND RESISTANT TO THE WEATHER : en es
  • FR885043A - Calcium carbide carburettor-gasifiers to power stationary or automotive gasoline engines with acetylene gas : en fr
  • ES161035A1 - IMPROVEMENTS INTRODUCED IN THE SUSPENSION OF THE WHEELS OF AUTOMOBILE VEHICLES PROVIDED WITH OSCILLATING SHAFTS : en es
  • PL32017B1 - Manganese purification method : en pl
  • CH228474A - Process for the production of space-stable machine parts. : de en
  • CH228561A - High frequency transformer. : de en
  • FR885089A - Safety valve : en fr
  • FR884908A - : fr
  • CH228467A - Peak meters for multi-phase systems. : de en
  • ES161046A1 - IMPROVEMENTS INTRODUCED IN THE CIRCUITS DESIGNED TO PREVENT THE SURPLUSION OF CERTAIN TEMPERATURES IN ELECTRIC OVENS : en es
  • FR884935A - Long-lasting materials : en fr
  • GR10145B - SHOE STAINS REPLACEMENT OF LACE. : el en
  • US2328049A - Shoe construction : en
  • PL32034B1 - N. V. Philips * Gloeilampenfabrieken, Eindhoven Connection system for easy tuning of radio receivers with changeover frequency : en pl
  • PL32049B1 - S-te fl-me Securifs E. D. L. C, Paris Outer part for the nut, secured against self-unscrewing even with the most abrupt vibrations, and the method of its production : en pl
  • US2328236A - Suction cleaner : en
  • GB555714A - Improvements in and relating to circular braiding machines : en
  • USD136288S - Design fob a dress : en
  • ES158805A1 - EXTRA-RAPID REGULATION PROCEDURE FOR ELECTRICAL MACHINES : en es
  • FR885004A - Sheet metal piston ring : en fr
  • FR885079A - Device for maritime transport : en fr
  • GB555611A - Improvements in filters for fluids : en
  • US2328152A - Thermostatic unit and connection for electric irons : en
  • FR884962A - Bulking agent for washing agents : en fr
  • FR884991A - Apparatus for the instantaneous transformation of crude oil into gaseous fuel : en fr
  • US2328112A - Die for tube reducing : en
  • US2328371A - Lithographic plate preparation : en
  • US2328380A - Combined business reply post card and envelope : en
  • FR884855A - Process for producing butter by cooling highly concentrated cream : en fr
  • CH228430A - Process for the preparation of acetylene series alcohols. : de en
  • CH228558A - Device for converting a frequency-modulated oscillation into an amplitude-modulated oscillation. : de en
  • ES155876A1 - PROCEDURE FOR THE STERILIZATION OF BACTERIA AND ULTRA-VIRUSES FOR THE USE OF CONDITIONED COLD : en es
  • ES161088A1 - IMPROVEMENTS IN THE MANUFACTURE OF HIGH FREQUENCY COILS WITH AN ELECTRIC ORGAN PLACED IN THE SPACE LIMITED BY THE ROLLING : en es
  • FR885044A - Pressurized fluid distributor-mixer, the flow rate of which is always proportional to consumption : en fr
  • IE17212L - Digesting fibrous pulp : en
  • GB555635A - Improvements in or relating to the control of aircraft : en
  • US2328344A - Winding machine : en
  • FR885019A - Electro-magnetic device for the automatic return of carts for typewriters, accountants, calculators, etc. : en fr
  • GB555717A - Improvements in the manufacture of sized paper : en
  • FR885099A - Plasticisable synthetic products and method for their production : en fr
  • CH228511A - Single-acting two-stroke internal combustion engine. : de en
  • US2328284A - Optical instrument : en
  • US2328503A - Butcher block : en
  • FR885021A - Device of a hutch assembly to facilitate, develop and popularize rabbit breeding : en fr
  • US2328317A - Distributing and assembling machine : en
  • US2328366A - Table tennis bat : en
  • US2328174A - Lister : en
  • DK61271C - Fresh air valve. : da en
  • FR884875A - Container, tube or other device for liquids or frame of cast steel with a high percentage of silicon : en fr
  • FR885064A - Improvements in fastening systems for watch straps and the like : en fr
  • FR885100A - Rotary armature electromagnet switch : en fr
  • GB555582A - Improvements in or relating to fluid pressure mechanism, more particularly for windscreen wipers : en
  • GB555666A - Improvements in or relating to apparatus for controlling the operation of automatic guns on aircraft : en
  • ES160943A3 - A DEPOSITION FOR THE ELASTIC SUSPENSION OF THE REAR WHEEL OF MOTORCYCLES AND SIMILAR : en es
  • FR884961A - Preparation of a brightening agent from pine oil : en fr
  • DE738792C - Einrenk connection for pipes : de en
  • DE738851C - Closure for goods bags, especially flour bags : de en
  • ES161042A1 - A PROCEDURE FOR THE OBTAINING OF PLASTIC MATERIALS (SYNTHETIC RESINS) FROM WASTE DISTILLING FROM WOOD AND OTHER MATERIALS OF VEGETABLE ORIGIN : en es
  • FR884930A - Wheels bandage in elastic sections : en fr
  • ES160865A1 - IMPROVEMENTS INTRODUCED IN THE HERMETIC CLOSURE DEVICES, ESPECIALLY IN THE PLASTIC ENVELOPES OF THE CYLINDER HEADS OF THE EXPLOSION ENGINES : en es
  • ES161125A1 - TURBINE WITH FREE MOBILE WHEEL, ESPECIALLY APPROPRIATE FOR HOT GASES : en es
  • DE738883C - Device for shaking silos or the like with falling impact weight : de en
  • DK61274C - Device by Radsaamaskiner. : da en
  • FR884931A - Improvements to spools or spindles for textile or other threads : en fr
  • DE738748C - Dry seed dressings : de en
  • ES159574A1 - A NEW CONSTRUCTION SYSTEM OF ARMED CONCRETE FLOORS : en es
  • US2328000A - Racemic-alpha-hydroxy-beta, beta-dimethylgamma-butyro lactone, esters and salts thereof : en
  • US2328065A - Treatment of sheets and similar materials : en
  • CH228472A - Device on a clock to display the expiry or Winding condition of the watch. : de en
  • ES161024A1 - TELECOMMUNICATIONS TRANSMISSION SYSTEM WITH FIXED TENDERED CABLES WITH PUPPED TRANSFER LINES AND WITH INTERMEDIATE AMPLIFIERS CONNECTED AT CERTAIN DISTANCES : en es
  • US2328265A - Process of treating fruit : en
  • CA414783A - Record controlled statistical machine : en fr
  • US2328328A - Impeller and propeller construction for booster pumps : en
  • PL32025B1 - A method of softening polyvinyl compounds : en pl
  • US2328433A - Tool for removing electrode tips : en
  • ES161073A1 - INDUSTRIAL PROCEDURE FOR THE MANUFACTURE OF SÍLEX MARBLE WITH DIRECT POLISH : en es
  • DE738754C - Hand-operated tiller : de en
  • DE738884C - Device for locking the alarm setting shaft against turning back : de en
  • AU117399B2 - Improvements in or relating to combined lighting, and airconditioning systems : en
  • AU117414B2 - Improvements in winches, hoists andthe like : en
  • ES153611A1 - IMPROVEMENTS INTRODUCED IN THE ARMOR BRACES : en es
  • ES161004A1 - A NEW ROTARY MACHINE PROCEDURE, WITH A CIRCULAR MOVEMENT OF MOVABLE PARTS : en es
  • GB555619A - Improvements in electric signal transmission systems : en
  • GB555645A - Method and apparatus for compressing and electrically heating thermo-plastic materials : en
  • CH228580A - Drive device for the screw of a buoyant motor vehicle. : de en
  • CA414953A - Trim panel assembly and fastener : en fr
  • CH228476A - Device to prevent metal from running out of the sprue onto the floor in the end position of the mold when casting metals by pivoting the casting mold through about 90 °. : de en
  • US2327990A - Adjustable mast : en
  • US2328015A - Pea hulling machine : en
  • US2328058A - Manufacture of hydraulic cement products : en
  • CA414922A - Graphitic nickel alloy and casting production : en fr
  • CH228494A - Pyrophoric lighter. : en fr
  • DE738859C - Process of dismantling disks in mighty floezen : de en
  • CH228393A - Assembly device for demountable building elements. : en fr
  • CA414921A - Basic copper sulphate recovery from rayon manufacture : en fr
  • US2328113A - Heating unit assembly : en
  • US2328250A - Barium sulphate pigments and process for preparing them : en
  • US2328185A - Spinner : en
  • US2328240A - Processing of materials : en
  • BE451350A - : en fr
  • CH228565A - Clear sheet. : de en
  • CA414867A - Resinous composition : en fr
  • AU117412B2 - Improved method of manufacturing a cathode of indirectly heated-type : en
  • CH228408A - Handle with attachment device for floor brushes. : de en
  • ES160963A1 - PROCEDURE FOR MANUFACTURING THE HILL OR TRIMETHYL-ETHANOL-AMMONIUM : en es
  • GB555609A - Improvements relating to filters provided with cleaning means : en
  • DK61277C - Procedure for the manufacture of plywood shoe heels with concave upper side. : da en
  • ES160898A1 - PRESSURE PUMP FOR AUTOMOTIVE VEHICLE LIFT DEVICES : en es
  • ES160996A1 - A DISPOSAL FOR THE CONTROL OF ROTARY DRUMS OF HORIZONTAL OR INCLINED POSITION : en es
  • US2328060A - Sewer sand washer or desander : en
  • US2328103A - Catalytic conversion of petroleum hydrocarbons : en
  • US2328110A - Beverage dispensing apparatus : en
  • ES160936A1 - IMPROVEMENT IN CLAMPS CLAMPS FOR FLEXIBLE PIPES : en es
  • US2328102A - Attachment for ribbon machines : en
  • FR884915A - Short circuit winding : en fr
  • US2328318A - Circuit breaker contact : en
  • CH228587A - Device for the transmission of messages. : de en
  • US2328504A - Conveyer for industrial washing and drying machines : en
  • US2328073A - Washing machine formula control : en
  • US2328443A - Multilayer electrical winding and method and apparatus for making same : en
  • CA414899A - Square can seaming head : en fr
  • US2328492A - Cinematographic registering apparatus : en
  • CA414802A - Machine feed roller : en fr
  • DE738812C - Process for the decomposition of liquid mixtures and solutions by thermal diffusion : de en
  • CH228465A - Controller to keep a state variable such as temperature, pressure, humidity constant. : de en
  • US2328249A - Coating composition : en
  • US2328452A - Speed regulator for engines : en
  • CA414907A - Flocculation apparatus : en fr
  • US2328320A - Remote control and indicator : en
  • CH228586A - Device for operating internal combustion engines with acetylene. : de en
  • DE738742C - Idler bearing for caterpillar vehicles : de en
  • ES160987A2 - BRAKE DEVICE BY VARIABLE TRANSMISSION ON THE BRAKE LINKAGE : en es
  • ES161052A1 - PROCEDURE TO USE THE SENSITIVE AND LATENT HEAT OF THE REACTION GASES OBTAINED IN THE PRODUCTION OF FORMALDEHYDE THROUGH CATALYTIC OXIDATION OR DEHYDROGENATION OF METHANOL : en es
  • PL32082B1 - Telefunken Gesellschaft fur drahtlose Telegraphie m. B. H> Berlin Vacuum bank discharge lamp made in full or in part : en pl
  • DE738771C - Mechanical driving lock for locomotives, especially those moving in two directions : de en
  • CA414939A - Screw conveyer connection inspection port : en fr
  • US2328261A - Mechanical movement : en
  • US2328489A - Devices for controlling the pressure and temperature in altitude cabins, particularly for airplanes : en
  • USD136263S - Design for a pressure cooker : en
  • US2328334A - Brake : en
  • US2328413A - Operating means for fluorescent lamps : en
  • USD136279S - Design for an industrial truck : en
  • DK61268C - Electric Flow Heater with Induction and Edge Current Heating. : da en
  • US2328094A - Boat platform for vessels : en
  • US2328528A - Thermometer armor : en
  • CA414844A - Brake : en fr
  • US2328295A - Fish lure : en
  • US2328054A - Recorder : en
  • US2328051A - Wall construction : en
  • US2328117A - Support device for sinking ships : en
  • US2328370A - Keto carboxylic acid derivatives : en
  • GB555612A - Improvements in and relating to fumigating and disinfecting apparatus : en
  • US2328069A - Ski spreader : en
  • ES160905A1 - IMPROVEMENTS IN THE OBTAINING OF AGRICULTURAL ATTICRYPTOGAMIC PRODUCTS BASED ON UROTROPIN AND ZINC : en es
  • ES159431A3 - A NEW PROCEDURE FOR OBTAINING TEXTILE FIBER FROM THE RAMIO PLANT : en es
  • FR884916A - Horn loudspeaker comprising several exponential horns arranged in a fan-shaped manner with a view to obtaining a predetermined orientation characteristic, in particular loudspeaker for the high register : en fr
  • ES161134A1 - IMPROVEMENTS INTRODUCED IN THE ROMPECHOROS DEVICES : en es
  • FR884897A - Device for hot water production : en fr
  • FR884922A - Oblique tube boiler : en fr
  • ES160975A1 - IMPROVEMENTS IN THE LIZOS STRIP : en es
  • FR885026A - Freestanding support for superimposed mobile beds : en fr
  • SE108371C1 - : sv
  • US2328358A - Organic compound and process for preparing the same : en
  • US2327983A - Slide fastener stringer tape reinforcement : en
  • ES160994A1 - PREPARATOR OF SEED THAT HAS BEEN SERVED BY ASPIRATED AIR : en es
  • FR885087A - Further development of fuel injection pumps for high compression engines : en fr
  • US2328306A - Mechanism for use in computing apparatus : en
  • ES159541A1 - A PROCEDURE TO OBTAIN A NEW COMBUSTIBLE PRODUCT FOR GASOGEN HOMES : en es
  • FR884947A - Process for the preparation of endless films based on solidly polymerized organic bodies : en fr
  • US2328072A - Fan : en
  • USD136268S - Design for a brooch or similar article : en
  • CA414852A - Lens for optical observation instruments : en fr
  • DE738875C - Device for treating grain : de en
  • GB555628A - Improvements connected with boiling and infusing apparatus : en
  • IE16692L - Sulphonamides : en
  • ES160928A1 - PROCEDURE AND ITS DEVICE FOR MAKING LONGITUDINAL CUTS IN RUBBER PIECES IN THE FORM OF PLATES OR STRIPS : en es
  • US2328501A - Machine : en
  • USD136280S - Design for a pen holding stand : en
  • US2328086A - Inseam joint forming machine : en
  • FR884920A - Spiral filter to filter air or gases : en fr
  • FR885088A - New fireplace for wood-burning gasifiers : en fr
  • GB555654A - Improvements in, or relating to, furnace linings : en
  • US2328470A - Dynamoelectric machine coil support : en
  • ES161083A1 - AN ELECTRO-SENSITIVE DEVICE, APPLICABLE TO ALARM APPARATUS : en es
  • CH228447A - Process for the production of a condensation product. : de en
  • PL32050B1 - : en pl
  • ES160882A1 - PROCEDURE FOR THE OBTAINING OF POSITIVE PHOTOGRAPHIC, SUBSTRATE IMAGES, IN COLORS : en es
  • ES160920A1 - TELECOMMUNICATION SYSTEM : en es
  • US2328411A - Convertible couch structure : en
  • US2328292A - Method of depositing phosphor materials : en
  • US2328430A - Production of vinyl chloride : en
  • ES161114A1 - A PROCEDURE FOR DYEING COTTON OR OTHER TEXTILE FIBERS WITH COMPLETE TRANSFORMATION OF THE RIBBON THROUGH A UNIQUE AND DEFINITIVE TORSION AND A THREADING MACHINE FOR ITS REALIZATION : en es
  • ES161146A3 - CENTRAL APPARATUS FOR MANEUVERING SIGNALS AND CHANGING RAILWAYS : en es
  • US2328513A - Insertion for cushions or the like : en
  • USD136281S - Design for a dress : en
  • CH228503A - Gripper with shells rotatably mounted in the gripper head and with a drive motor built into the gripper head. : de en
  • ES161013A1 - A SYSTEM TO IGNITE AND AVIVE THE FIRE IN GAS GAS, SPECIALLY INTENDED FOR CAR VEHICLES AND DEVICE FOR ITS REALIZATION : en es
  • DE738594C - Sprocket for calculating machines : de en
  • DE738766C - Paper insert for typewriters, accounting machines and calculating machines : de en
  • DE738783C - Chute firing for kitchen stoves with built-in boiler : de en
  • ES161017A1 - A COOKING OVEN : en es
  • US2328066A - Coating hydrophilic cellulosic films : en
  • US2328139A - Universal joint : en
  • US2328422A - Method for coating bodies with carbon : en
  • US2328005A - Engine lubricator : en
  • US2328401A - Filling machine : en
  • CH228514A - Liquid-cooled piston with piston pin, in particular for internal combustion engines. : de en
  • US2328078A - Apparatus for drying wire screen cloth : en
  • US2328172A - Warning signaling system : en
  • US2328202A - Process for producing magnesium metal : en
  • FR884955A - Improvements to audiometers : en fr
  • AU117434B2 - Ilmprovements redating to centrifugal separatoirs for concentrating slurries : en
  • FR885009A - Clothes hanger with device containing an insecticide product : en fr
  • CA414920A - Iron-free copper solution : en fr
  • ES161064A3 - MACHINE FOR WASHING INJECTABLE BLISTERS : en es
  • AU117409B2 - Heat exchange apparatus : en
  • CA414885A - Vapour lamp exhausting machine : en fr
  • US2328002A - Metalworking machine : en
  • US2328016A - One-way detachable snap fastener : en
  • CA414931A - Postal machine setting mechanism : en fr
  • AU117430B2 - An improved pneumatic wheel : en
  • DE738727C - Device for emptying molding boxes : de en
  • ES160899A1 - A VARIABLE COUPLING FOR TRANSMITTERS OF SHORT WAVES AND ULTRACORTES : en es
  • GB555696A - An improved artillery projectile : en
  • US2328096A - Method of treating strands : en
  • GB555660A - Improvements in apparatus for drying grain and other discrete materials : en
  • CA414779A - Ironing press : en fr
  • CA414810A - Iron article metalization or aluminization : en fr
  • CA414851A - Optical observation instrument : en fr
  • DE738726C - Process for increasing the volume of tobacco : de en
  • DK61276C - Brake for Swivel windows. : da en
  • CH228459A - Automatic firearm with sliding barrel. : de en
  • ES160884A1 - A STABILIZER TRANSFORMER : en es
  • FR884940A - Alloy with coating layer : en fr
  • BE449425A - Improvement in the fractionation of substances by dewatering foams : en fr
  • BE451576A - Paper match stick and method of making it : en fr
  • CA414799A - Composition panel board : en fr
  • CH228566A - Caterpillar. : de en
  • USD136283S - Design for a cap : en
  • CA414804A - Optical filter : en fr
  • DE738802C - Ribbed heat exchanger for exhaust gas heaters, in particular from motor vehicles, and processes for its manufacture : de en
  • AU707742A - Improvements inthe manufacture of ampoule type glass containers : en
  • AU117400B2 - Improvements relating tothe treatment of linen flax straw andthe like and fibre obtained therefrom : en
  • ES157104A1 - PROCEDURE FOR THE PREPARATION AND PACKAGING IN BLOCKS OR BREADS OF SARDINES SALADAS, PRENSADAS, ESTIVADAS Y MOLDEADAS : en es
  • US2328338A - Cologne container : en
  • BE451401A - : en fr
  • CA414904A - Metal surface protecting method : en fr
  • CA414806A - Toasting machine : en fr
  • CA414945A - Asphalt manufacture : en fr
  • CA414916A - Time element relay : en fr
  • US2328481A - Bituminous emulsion and method of producing : en
  • CH228581A - Method for producing a hollow propeller blade from metal, drawing bodies for carrying out the method and hollow propeller blades produced according to this method. : de en
  • DE738853C - Oscillator mixing tube circuit for superimposition reception : de en
  • DE738935C - Arrangement for interference suppression when switching on contacts in low-voltage systems : de en
  • ES160828A1 - NEW SYSTEM OF BARRACON ESPECIALLY COMPOSITE CHILLER OF CONSTRUCTION UNITED INSULATED IN A REMOVABLE WAY : en es
  • FR884903A - Grinding machine, especially for interior grinding : en fr
  • FR884949A - Substitute for boric acid in refractory adobe : en fr
  • FR885070A - Removable side luggage rack for cycles : en fr
  • CH228570A - Device to prevent theft of a vehicle. : en fr
  • CA414956A - Container bung : en fr
  • DE738809C - Signaling device for acoustic and / or optical signaling which requires a preparation circuit : de en
  • GB555658A - Improvements relating to apparatus for filling bottles : en
  • FR884970A - Automatic firearm with mass lock : en fr
  • FR885037A - Continuous combustion gas turbine at constant pressure : en fr
  • US2328208A - Indicator : en
  • US2328275A - Catalytic process for purifying ethylene : en
  • FR884924A - Pregnancy Corset : en fr
  • US2328419A - Flap gate : en
  • GB555572A - Clipping machine : en
  • ES161074A1 - NEW METHOD FOR PURIFYING CAST IRON AND STEEL : en es
  • US2328518A - Clutch housing insulator : en
  • GB555642A - Coloured photographic layers : en
  • GB555610A - Filters for liquids or gases : en
  • ES160809A1 - WIND ENGINE ORIENTATION AND REGULARIZATION DEVICE : en es
  • FR884876A - Device for closing a bag or making bags by folding and gluing the edges cold and hot : en fr
  • DE738882C - Shaft conveyor vessel : de en
  • US2328087A - Undergarment : en
  • US2328151A - Refrigerating apparatus : en
  • ES160844A1 - PROCEDURE FOR THE TREATMENT OF YARN OF TEXTILE FIBERS OF ANY KIND : en es
  • FR885008A - High pressure pump, rotary drum, with cylinders parallel to the axis of rotation : en fr
  • FR885049A - Secret padlock : en fr
  • FR885084A - New method of preserving cultivated plants against bad weather and parasites : en fr
  • US2328142A - Coat hanger : en
  • US2328509A - Window structure : en
  • ES160840A1 - AN ADJUSTABLE NOZZLE MECHANISM FOR THE COVERING OF NUCLEI IN THE MANUFACTURE OF ELECTRODES : en es
  • CA414926A - Clutch and vibration balancer : en fr
  • CA414961A - Condensation product : en fr
  • CA414963A - Shock absorber : en fr
  • ES161126A1 - IMPROVEMENT IN THE THERMO-ELECTRICAL SYSTEM, AUTOMATICALLY CONTROLLED, TO REDUCE THE INTENSITY OF THE CURRENT, USED TO HEAT THE TUBES USED IN THE PERMANENT HAIR WAVE, AT A MOMENT GIVEN : en es
  • US2328070A - Shoe sewing machine : en
  • US2328460A - Density measuring apparatus : en
  • US2328495A - Method and apparatus for nut manufacture : en
  • DE738914C - Securing the connecting pins of caterpillar links : de en
  • GB555578A - Improvements in chemically excited heating appliances : en
  • FR885005A - Dosing mixer for gaseous fuels applicable to internal combustion engines : en fr
  • PL32085B1 - Method for the production of monobasic aluminum sulfite : en pl
  • PL32021B1 - Daimler-Benz Aktiengesellschaft, Stuttgart-Unterturkheim Injection nozzle : en pl
  • DE738839C - Sealing between the pressure line and the rotating, eccentrically mounted piston drum of a pump : de en
  • ES161030A1 - HYDRAULIC MACHINE FOR GRINDING HOLES : en es
  • ES161033A1 - IMPROVEMENTS IN THE MANUFACTURE OF PLATES FOR TORNOS : en es
  • ES159749A1 - A PROCEDURE FOR THE MANUFACTURE OF A CARBON ELECTRODE ACTIVATED CATALYTICALLY BY PRECIOUS METAL, ESPECIALLY TO PERFORM ELECTROCHEMICAL PROCESSES : en es
  • ES160986A1 - A PROPULSOR MOVEMENT APPARATUS WITH A MINIMUM ENERGY CONSUMPTION : en es
  • GB555648A - Improvements in and relating to the manufacture of cams : en
  • DE738733C - Arrangement for shrinkage control in radio receivers : de en
  • GR10143B - SPECIAL MATTRESSES FOR BEDS, SEATS, AND THE LIKE. : el en
  • CA414918A - Cathode ray signal reproducting unit : en fr
  • US2328121A - Tooth mounting : en
  • US2328106A - Viscous liquid dispenser : en
  • US2328129A - Drier arrangement : en
  • ES161087A1 - PROCEDURE FOR PREPARATION OF METALLIC SURFACES WITH LOOK AT YOUR ENGRAVING : en es
  • CA414847A - Railway brake : en fr
  • FR885032A - Device for obtaining stereoscopic effects : en fr
  • FR885058A - Process for recovering fat, soap and soap from certain waste from sizing operations prior to dyeing artificial fabrics : en fr
  • PL32013B1 - : en pl
  • PL32086B1 - : en pl
  • US2327985A - Acyl isothiocyanate and polymer thereof : en
  • US2328364A - Cable tensioning mechanism : en
  • ES161131A1 - AN ASSEMBLY CONTAINING TWO DISCHARGE TUBES WITH WALL OF INSULATING MATERIAL : en es
  • PL32080B1 - Micp F4le hy ^ O Rheinmetall-Borsig flktiengesellschaft, Dusseldorf Actuator according to Leonard's system, especially for actuating gun interlocks or turret turning machines : en pl
  • FR884885A - Vat dyes, compounds for their manufacture and process for preparing these various products : en fr
  • DE738774C - Tone color regulator with continuously adjustable ohmic voltage divider for optional weakening of the high and low tone frequencies : de en
  • ES161093A1 - BURNER OR GASIFICATION PURIFIER FOR EXPLOSION ENGINES : en es
  • FR884883A - Preparation and impregnation of natural and artificial articles of cellulose : en fr
  • DE738878C - Metallic camouflage net : de en
  • ES160847A1 - IMPROVEMENTS IN THE PLOWS : en es
  • ES161012A3 - NEW SYSTEM OF MILL COUNTER APPARATUS : en es
  • GB555690A - Improvements in and relating to the re-treading of rubber pneumatic tyres : en
  • CA414855A - Universal joint : en fr
  • CH228578A - Pantographs for electric trolley vehicles. : de en
  • DE738738C - churn : de en
  • FR884926A - Light vehicle such as sidecar : en fr
  • US2328238A - Suction cleaner : en
  • US2328391A - Riveting tool : en
  • BE451714A - Purification process for sulfonic acids : en fr
  • CH228577A - Device for automatic on or Switching off the light on rail vehicles. : de en
  • BE451404A - Lathes, in particular for wind engines : en fr
  • CA414819A - Roller leveler : en fr
  • FR885030A - Improvements to gyroscopic verticals : en fr
  • PL32003B3 - Device for supplying cooling air to the engine in vehicles / especially with a streamlined engine with the engine behind : en pl
  • CH228463A - Heat meter for flowing liquids or gases. : de en
  • ES160587A3 - AN IMPROVEMENT IN THE CONSTRUCTION OF REINFORCED CONCRETE FLOOR : en es
  • ES160837A3 - A FLEXIBLE METALLIC TUBE MANUFACTURING SYSTEM : en es
  • US2328039A - Steam generator : en
  • DE738840C - Process to improve the durability of water-attracting substances : de en
  • CA414919A - Engine charge temperature control device : en fr
  • CH228403A - Process for the production of a synthetic fuel. : de en
  • FR885038A - Vane for axial blower drums and cylinders and for axial flow gas and steam turbines : en fr
  • US2328141A - Suspension means for automobile transmissions : en
  • US2328304A - Counter : en
  • US2328310A - Hingedly mounted telephone accessory shelf : en
  • US2328505A - Alkanol amine salts of dinitrophenols : en
  • US2328272A - Cash register : en
  • CH228423A - Process for making baked goods. : de en
  • ES161054A1 - PROCEDURE FOR THE OBTAINING OF PRODUCTS DERIVED FROM THE MOST, ESPECIALLY SWEETENERS : en es
  • FR884868A - Process for filling towers, columns or reaction chambers with packing bodies : en fr
  • CH228428A - Process for the production of highly concentrated alkali solutions by decomposing alkali amalgam. : de en
  • CA414913A - Thermoplastic product : en fr
  • CH228392A - Tensioning device for concrete reinforcement wires. : de en
  • CH228421A - Roller mill. : de en
  • CH228509A - Steam power plant. : de en
  • US2328369A - Theater sound system : en
  • AU117402B2 - Improvements in and relating tothe wearing plates of footwear : en
  • CH228401A - Locking and locking device for a pair of shutters. : de en
  • CH228498A - Stepless change gear. : de en
  • CH228562A - Oscillator for transmitters or heterodyne receivers for ultrashort and shorter waves. : de en
  • DE723809C - Voucher device for conveyor vessels : de en
  • DE738798C - Filters, especially for fans of gas protection rooms : de en
  • DE738847C - Cooling device for streamlined motor vehicles : de en
  • US2328494A - Milling cutter : en
  • CA414813A - Lubricator for wood surfaces, etc. : en fr
  • CH228501A - Circulating elevator for people and loads. : de en
  • CA414917A - Sheet material impregnating and coating apparatus : en fr
  • US2328473A - Electrical system : en
  • CH228398A - Siphon. : de en
  • US2327997A - Torque device for coordinator trainers : en
  • US2328212A - Electric swivel : en
  • US2328356A - Strip metal package : en
  • CA414925A - Rotary pump : en fr
  • CH228575A - Drive device on bicycles with reverse drive chain. : de en
  • FR884972A - emulsions and their preparation process : en fr
  • FR885047A - Method and apparatus for using carbon dioxide in fuel for internal combustion engines : en fr
  • GB555701A - Rolled copper alloy article : en
  • CH228582A - Process for the preparation of a compound of the diaryl series. : de en
  • ES160869A1 - SELF-REGULATING DEVICE FOR THE BEARING OF BALL BEARINGS : en es
  • AU689642A - Improvements in valves for pneumatic tyres and other articles : en
  • CH228437A - Process for the preparation of a polyazo dye. : de en
  • US2328013A - End fitting for high pressure hose : en
  • USD136254S - Design for an embossed leather : en
  • PL32041B1 - Hazeltine Corporation, Jersey City, N. Y. Discharge Lamp : en pl
  • CH228418A - Gaiter attachment device. : en fr
  • CH228542A - Induction furnace. : de en
  • DE738790C - Method and device for testing cartridge and cartridge cases for suitability for firing : de en
  • DE738896C - Shaft furnace for the heat treatment of elongated workpieces : de en
  • US2328119A - Display container : en
  • US2328454A - Latticelike stiffening ribbing for structural plates : en
  • CH228523A - Slot insulation for electrical machines and apparatus. : de en
  • CH228425A - Process for the production of proteins from the cellulose accompanying substances dissolved in the pretreatment of cellulose-containing raw materials by means of organic or inorganic acids. : de en
  • CA414959A - Power transmission mechanism : en fr
  • CH228567A - Elastic wheel. : en fr
  • PL32001B1 - Device for supplying cooling air to the engine in vehicles, especially with a streamlined engine and rear engine : en pl
  • US2328109A - Divisible paper web : en
  • US2328253A - License plate : en
  • CA414861A - Spring suspension for vehicle chassis : en fr
  • CA414886A - Vitreous vessel sealing apparatus : en fr
  • US2328199A - Embalming apparatus : en
  • US2328402A - Mineral jig : en
  • CA414791A - Airplane signal lamp : en fr
  • CH228579A - Regenerative braking circuit for AC vehicles with exciter generators. : de en
  • US2328390A - Piston and ring assembly : en
  • CA414814A - Lighting arrester : en fr
  • US2328057A - Pressure-sensitive adhesive sheet : en
  • US2328468A - Coupling device for the assembly of tubular elements : en
  • USD136267S - Dispenser for paper napkins : en
  • US2328243A - Chair : en
  • CH228473A - Process for the production of space-stable machine parts. : de en
  • CA414879A - Sulphuric acid : en fr
  • CA414955A - Windshield cleaner motor : en fr
  • PL32015B1 - Wood impregnation method : en pl
  • DK61279C - Method for producing gold-colored decorations on ceramic objects, glass and enamel. : da en
  • CA414881A - Rubber product : en fr
  • CA414824A - Water heater : en fr
  • CA414940A - Catalytic agent : en fr
  • ES160796A1 - IMPROVEMENTS IN THE CONSTRUCTION OF THE RULES OF THE MACHINILLAS FOR THE GOVERNMENT OF THE LIZOS IN THE MECHANICAL TILES : en es
  • CA414807A - Relief valve for steam or pressure vessels : en fr
  • ES160801A1 - IMPROVEMENTS IN THE CONSTRUCTION OF WAVE SWITCHES FOR RADIO RECEIVERS : en es
  • PL31994B3 - Device for supplying cooling air to the engine compartment of airline vehicles with rear engine : en pl
  • DE738913C - Self-locking differential gear, especially for motor vehicles : de en
  • ES157849A1 - IMPROVEMENTS IN ILLUMINATING LOADS : en es
  • CA414777A - Electrical communication system : en fr
  • CH228540A - Process for the production of glass parts of discharge tubes. : de en
  • PL32045B1 - Process for the preparation of easily soluble p-aminobenzenesulfamide compounds : en pl
  • US2328340A - Control apparatus : en
  • US2328448A - Universally adjustable automatic spraying device : en
  • USD136266S - Design for a lamp shade : en
  • CA414870A - Electric circuit interrupter : en fr
  • PL32010B1 - A method and device for measuring films produced on the surface of metal objects, in particular steel objects, a method that does not damage these objects : en pl
  • PL32026B1 - Elektrotechnische Fabrik Schmidt & Co., Gesellschaft m. B. H., Bodenbach a / E. Bearing for a bicycle generator : en pl
  • FR885013A - Acetylene gas metering carburetor for internal combustion engines : en fr
  • GB555708A - Improvements in and relating to discharge valves for use in bottle filling machines : en
  • ES160871A1 - A GAS CARBURING PROCEDURE AND A CARBURETOR FOR THE REALIZATION OF SUCH PROCEDURE : en es
  • CA414873A - Cupola : en fr
  • CH228464A - Control device to keep a state variable such as temperature, pressure, humidity constant. : de en
  • CH228543A - Headlight dimming device for bicycles. : de en
  • CA414888A - Double wall discharge device : en fr
  • CA414884A - High voltage gaseous rectifier : en fr
  • CH228466A - Device for forming the sum or difference of two measured quantities. : de en
  • CH228482A - Threading device for automatic lathe. : en fr
  • CA414815A - Power saw : en fr
  • PL32059B1 - Device comprising an electric high-performance discharge lamp cooled with a liquid and a reflector : en pl
  • US2328302A - Method of making parallel fiber filters : en
  • AU597642A - Improvements relating tothe treatment of linen flax straw andthe like and fibre obtained therefrom : en
  • DE729785C - Roller frame for caterpillar tractor : de en
  • CH228526A - Electrical insulator. : en fr
  • ES160868A1 - PROCEDURE FOR THE PRECIPITATION OF IODINE THROUGH THE USE OF THE CELLS OR CONCAVITIES OF ANY MATERIAL USED AS A VEHICLE OF PREFERENTIALLY THERAPEUTIC APPLICATION : en es
  • CH228560A - Switching device for the dial illumination lamp of an all-current radio receiver. : de en
  • BE451473A - : en
  • PL32006B1 - Safety device for combination devices of variable transmissions, especially in motor vehicles : en pl
  • CH228395A - Fireplace wall. : en fr
  • CA414934A - Ammunition : en fr
  • US2328336A - Safety razor : en
  • US2328363A - Dispensing device for filling grease guns and the like : en
  • CA414832A - Printing machine : en fr
  • CH228517A - Steam-gas thermal power plant. : de en
  • US2328090A - Clutch system : en
  • AU117408B2 - Improvements in and relating to starting switches : en
  • CH228448A - Process for the production of artificial masses. : de en
  • CA414837A - Hydroxy-substituted guanamine : en fr
  • FR884887A - Improvements to synchronized gear change or gear controls : en fr
  • ES160855A1 - IMPROVEMENTS IN THE GRAND FLIGHT CRANES : en es
  • PL32032B1 - Maksymilian Grochowski, Warschau and Wladyslaw Krzyzanowski, *) Warschau Standing frame : en pl
  • CA414865A - Dry battery cell making machine : en fr
  • ES160883A1 - PROCEDURE FOR THE OBTAINING OF VISCOSE ARTIFICIAL THREADS : en es
  • ES160914A1 - CATHODE RAYS SWITCH : en es
  • FR884975A - Ashtray : en fr
  • US2328397A - Throw-away pallet : en
  • US2328442A - Load-bearing member : en
  • CH228484A - Tower trolley. : en fr
  • CA414877A - Insecticidal composition : en fr
  • FR885007A - Automatic mixer for supplying all combustion engines with acetylene gas or other gaseous fuel supplemented with air and an appropriate fluid : en fr
  • CA414910A - Electrical measuring instrument : en fr
  • ES161050A1 - PROCEDURE FOR ELECTROLYTIC METALING OF CARBONS FOR DRY BATTERIES : en es
  • USD136256S - Design for a game board : en
  • CH228426A - Process for preparing a feed for cattle. : en fr
  • CA414789A - Electric plug : en fr
  • US2328515A - Phonograph turntable driving device : en
  • CA414928A - Sheet handling apparatus : en fr
  • GB555663A - An improved apparatus for course and position recording in aerial navigation : en
  • GB555715A - An improvement in or relating to wire-drawing machines : en
  • AU516142A - Improvements in or relating to combined lighting, and airconditioning systems : en
  • US2327995A - Mask adapted for use at high altitudes : en
  • US2328297A - Fish stop : en
  • ES160960A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NO. 160089 : en es
  • USD136270S - Design for a locket : en
  • US2328143A - Fountain pen : en
  • FR884966A - Self-lubricating capillary pad : en fr
  • FR885035A - Further training in so-called gas generator installations : en fr
  • FR885085A - New use of a mineral in agriculture : en fr
  • GB555576A - Methods and apparatus for producing finned cylinder barrels : en
  • CH228572A - Stabilization device on bicycles for driving on snowy and icy roads. : de en
  • PL32022B1 - fluergesellschaft Aktiengesellschaft, Berlin Breathing apparatus for riding, draft and pack animals : en pl
  • PL32069B1 - Method for producing melamine : en pl
  • ES157444A1 - IMPROVEMENT IN THE MOUNT OF HAND OR PORTABLE MIRRORS : en es
  • US2328144A - Vehicle : en
  • US2328242A - Sole : en
  • CA414878A - Window shade material : en fr
  • US2328482A - Agitator for washing machines : en
  • ES160815A1 - IMPROVEMENTS IN THE CONSTRUCTION OF THE GUIDE BARS MECHAS FOR THE MACHERAS AND CONTINUAS DE HILAR : en es
  • FR885069A - Improvements made to installations comprising at least one self-generator with free pistons and at least one receiving machine, in particular a turbine driven by the gases delivered by said self-generator : en fr
  • AU669942A - Improvements in syringe ampoules : en
  • US2328170A - Screening mill : en
  • CA414845A - Brake arrangement : en fr
  • DE738916C - Device for filling green beans or similar goods into canning vessels : de en
  • US2328166A - Manufacture of photographic bleaching layers : en
  • DE738837C - Anti-icing intake manifold, especially for the intake lines of internal combustion engines : de en
  • FR884956A - Cathode ray tube : en fr
  • US2328149A - Rivet carrier for riveting machines : en
  • US2328279A - Automatic control means for heating devices : en
  • US2328348A - Manufacture of propeller blades : en
  • CA13525S - Tartan : en
  • CA414790A - Facsimile recorder : en fr
  • CH228400A - Cremone bolt for windows, doors etc. : de en
  • CA414897A - Limiting amplifier : en fr
  • CA414811A - Diary or note-book : en fr
  • CH228455A - A method of forming a photographic image by means of reflection printing. : en fr
  • CH228585A - Internal combustion engine system with supercharging. : de en
  • US2328474A - Stretching device : en
  • USD136278S - Design fob a dress : en
  • ES160934A1 - AUTO-INJECTION PUMP FOR COMBUSTION AND EXPLOSION ENGINES : en es
  • GB555575A - Improvements relating to the mechanical finishing of textile materials : en
  • US2328319A - Heel : en
  • US2328343A - Adjustable trailer hitch : en
  • ES161143A3 - IMPROVEMENTS INTRODUCED IN THE MECHANISM NECESSARY FOR THE MANEUVERING OF THE MECHANICAL INTERLOCKS OF THE LEVER SIGNALING DEVICES : en es
  • US2328222A - Geophone : en
  • US2328327A - Lubricator device : en
  • US2328432A - Washing machine : en
  • FR884980A - Gas regulator-holder for all uses and in particular for supplying explosion engines : en fr
  • PL32073B3 - Method for the preparation of tertiary alcohols of the cyclopentane polyhydrophenanthrene series : en pl
  • US2328305A - Aircraft windshield safety guard : en
  • DE738858C - Compressed air caisson : de en
  • PL32044B1 - International Standard Electric Corporation, New York, N.Y. Insulating cable retainer : en pl
  • ES160952A1 - PROCEDURE FOR THE MANUFACTURE OF ELECTRIC CARBONS : en es
  • ES160970A1 - A RECOVERY OF SOLVENT GASES THAT COME OUT WITH THE WINDS THAT ESCAPE TO THE ATMOSPHERE FROM THE APPARATUS OF THE CARBON SULFUR AND CARBON SULFIDE FACTORY : en es
  • CA414800A - Hair net : en fr
  • FR885006A - Smoky blacks perfected : en fr
  • FR885090A - Agglomerate fuel for gasifiers of motor vehicles and method of its manufacture : en fr
  • GB555668A - Improvements in respirators : en
  • PL32028B1 - Karl Schmidt G. m. B. H., Neckarsulm H fl ^ j 7 / W7 Attaching the crank cover to the head of the lightweight crank rod : en pl
  • US2328017A - Package and method of making the same : en
  • US2328205A - Clutch : en
  • ES161003A1 - SUSPENSION MECHANISM FOR BICYCLES AND ANALOG VEHICLES : en es
  • ES161078A1 - A CONSERVATIVE APPARATUS OF SOLID CARBON GAS, USING ITS EXHAUST FOR A FRIDGE OR ANY OTHER ADEQUATE CONTAINER : en es
  • FR884918A - Umbrella, or others, with displacement spring : en fr
  • GB555678A - Roofing farm silos : en
  • US2327986A - Can cleaning device : en
  • US2328309A - Firing head for gun perforators : en
  • US2328074A - Manufacture of textile yarn : en
  • US2328469A - Coupling device : en
  • US2328485A - Indicating instrument : en
  • DK61269C - Procedure in the manufacture of a printed knitwear. : da en
  • ES5128Y - Recreational game of football. : en es
  • CA414880A - Detergent : en fr
  • DE738800C - Direction indicators, in particular for motor vehicles : de en
  • US2327987A - Circular weaving loom : en
  • US2327988A - Pie pan : en
  • US2328331A - Hair curler : en
  • CH228513A - Speed control device on internal combustion engines. : de en
  • FR884981A - Advanced training in the construction of coach bodies, trams, electrobus, trolleybuses, buses, road trailers, and in all rolling stock : en fr
  • ES160978A1 - A NEW ELECTRICAL TAPPER SYSTEM : en es
  • FR884907A - Cylinder mill : en fr
  • FR885002A - Process for manufacturing a protective paper against toxic gases and resulting new industrial product : en fr
  • GB555697A - Electric selective arrangements for telephone and like systems : en
  • BE451663A - CARTRIDGE STRAP FEEDER, FOR MACHINE GUNS : en fr
  • CH228549A - Process for the production of a bactericidal, virulicidal and toxin-destroying disinfectant which is highly effective in living tissue for the treatment of diseases which are caused by bacteria and virus species. : de en
  • PL32068B1 - Method for the production of chrysene derivatives : en pl
  • US2328487A - Potato slicer : en
  • CA414874A - Lubricant : en fr
  • ES156804A3 - A SYSTEM OF ASSEMBLIES FOR PARTS OF WORKS OF WOOD OR OTHER MATERIAL : en es
  • ES160938A1 - A PROCEDURE FOR SCREENING THE SEED OF ALMOND OR SIMILAR FRUITS CONTAINED IN THE SHELLS CUT BY DESCASCARADORAS MACHINES AND TO CLEAR THE PERFORATIONS OF THE CRIBAS AND DEVICE FOR THEIR REALIZATION : en es
  • PL32089B1 - Kemi factories and Zaklady Chemiczno-Przemyslowe Sp. z o. o., Pruszków and Maciej Maczynski, Warschau Asphalt emulsion for insulation purposes and method of its production : en pl
  • US2328128A - Sewing mechanism : en
  • CH228502A - Crane with luffing jib. : de en
  • PL32035B1 - : en pl
  • ES160799A3 - PROCEDURE TO OBTAIN PERFUMERY AND SIMILAR PASTA AND CREAMS : en es
  • US2328165A - Bag filling apparatus with hand discharge : en
  • US2328359A - Tool holder : en
  • US2328365A - Closure cap : en
  • US2328447A - Film splicing device : en
  • FR884852A - Method for protecting the interior surface of gasoline tanks and liquid fuel lines from rust : en fr
  • GB555650A - Pyrotechnic device suitable for signalling and other purposes : en
  • US2328282A - Electrical musical instrument : en
  • AU117429B2 - Improvements in or relating to means for supplying heated air to furnace and the like fires : en
  • US2328036A - Process of producing soluble benzyl ethers of dextran : en
  • ES161113A1 - IMPROVEMENTS INTRODUCED IN THE MUFLA OVENS : en es
  • FR884958A - Coke manufacturing process for electrodes : en fr
  • GB555692A - Improvements in pipe couplings : en
  • PL32038B1 - Compagnie pour la Fabrication des Compteurs et Materiel cTUsines a Gas, Interlocking system containing one or more blocking relays for blocking the relay system, protecting the electrical lines from the effects of overcurrents : en pl
  • CH228397A - Drain, preferably for sink units. : de en
  • CA414946A - Railway car side door : en fr
  • CH228568A - Puncture-proof elastic tire for cycle, motorcycle and other vehicle wheels. : en fr
  • US2328173A - Gauging and lifting mechanism for implements : en
  • US2328296A - Fluid translating apparatus : en
  • ES160942A3 - A GEAR CHANGE MECHANISM WITH SPROCKET WHEELS OR MOVING CLUTCH BODIES, DRIVEN BY A ROTARY CONTROL BODY : en es
  • GB555623A - Combined mechanically and electro-magnetically operated valve : en
  • US2328092A - Fluid operated clutch : en
  • US2328450A - Carrier frequency system : en
  • AU639742A - Improvements in and relating tothe wearing plates of footwear : en
  • GB555592A - Improvements in, or relating to, the preparation of gaseous atmospheres for use in heat treatment furnaces : en
  • FR884851A - Device for measuring the concentration of hydrogen ions : en fr
  • FR884861A - Water closet bowl and flushing device : en fr
  • CA414912A - Inorganic fibre mat coherence increasing apparatus : en fr
  • ES156940A1 - DISPLACING HEAD FOR TURNING AND THREADING OF CONES APPLICABLE TO AUTOMATIC, MECHANICAL AND REVOLVED LATHES : en es
  • ES158559A1 - PROCEDURE FOR THE MANUFACTURE OF SOPLANTE WHEEL : en es