• AU120010B2 - Improved hoist : en
  • US2378003A - Dispensing container : en
  • USD141522S - Design foe a ball-cage toy : en
  • AU120021B2 - Pump drive : en
  • US2378056A - Resistance unit and element thereof : en
  • US2378215A - Inserted tooth milling cutter : en
  • US2377990A - Fire protective means for safes, cabinets, etc. : en
  • CH238049A - Multipole small circuit breaker in socket form with a zero voltage release device. : de en
  • US2378186A - Process for stabilizing textiles : en
  • US2378319A - Decelerator : en
  • CA428116A - Electron discharge device : en fr
  • CH237967A - Process for the production of a condensation product. : de en
  • CA428073A - Liquid testing apparatus : en fr
  • CH237940A - Device to prevent the undesired closing of doors equipped with a security lock. : de en
  • US2378284A - Vending machine : en
  • US2378149A - Emergency valve structure for locomotive boilers and the like : en
  • US2378261A - Knurling tool : en
  • FR899816A - Method of applying a weld-resistant coating on metals, particularly difficult-to-weld metals : en fr
  • US2378170A - Telephoto lens : en
  • US2378369A - Universal joint and ratchet device : en
  • DK63590C - Electrolytic Capacitor with Metallic Cup serving as Power Connector. : da en
  • AU131260B2 - Improvements in or relating to substituted quinolines and processes of making them : en
  • US2377937A - Stirring and mixing device : en
  • US2378195A - Preparation of partial polymers and copolymers of divinyl benzene : en
  • US2378226A - Altimeter : en
  • US2378281A - Method of dehydrating organic solvents, petrols, oils, and the like : en
  • GB569960A - Improvements in electric insulating material : en
  • CH237991A - Sinusoidal voltage comparison device. : en fr
  • ES169911A1 - IMPROVEMENTS IN THE MANUFACTURE OF SLIDING CLOSURES OF THE ZIPPER TYPE : en es
  • ES169932A1 - IMPROVEMENTS INTRODUCED IN THE SYSTEMS OF PORTABLE ELECTRICAL APPLIANCES, FOR HAIR WAVE : en es
  • FR899762A - Ski point tensioner : en fr
  • US2378224A - Crate : en
  • CA428140A - Ferrous casting production : en fr
  • CA428055A - Paint mask : en fr
  • CA428053A - Sheet metal core for fibrous sheets : en fr
  • CA428088A - Fluid pressure device : en fr
  • ES8621Y - Pliers for welding electrodes. : en es
  • FR899889A - Device for fixing electrical conductors to standard form support insulators : en fr
  • FR899767A - Manufacturing process of welded construction elements in high-grade alloys : en fr
  • CH238085A - Process for the production of vinyl esters. : de en
  • AU1141843A - Improvements in or relating to laminated connectors : en
  • ES169933A1 - A PROCEDURE FOR MANUFACTURING SHOES : en es
  • US2378050A - Gun mounting system for turrets : en
  • FR899993A - Device for heating heating devices used in particular for making permanent corrugations : en fr
  • US2377861A - Flowmeter : en
  • FR899753A - Trunk : en fr
  • US2377979A - Coating articles with an impermeable cloth, felt, or the like : en
  • US2378201A - Pressure gauge : en
  • US2378219A - Method and apparatus for determining liquid level : en
  • US2377881A - Cable drum for motor vehicles : en
  • ES8542Y - System of changeable character signs. : en es
  • US2378017A - Shape burener : en
  • ES169866A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF PULVERIZING APPLIANCES : en es
  • ES8588Y - Faucet applicable to all kinds of plumbing and sanitary installations. : en es
  • FR899799A - Centering device for pipe fittings : en fr
  • US2377924A - Sliver pan : en
  • US2377974A - Method of upsetting channel edges for welding : en
  • US2378138A - Apparatus for carrying out chemical reactions : en
  • US2378348A - Atomizing nozzle : en
  • US2378179A - Lawn mower sharpener : en
  • US2378037A - Engine regulating means : en
  • USD141571S - Design for a tie back : en
  • CH238025A - Vibration dampers on the blades of turbo machinery. : de en
  • FR899956A - Process for preparing thiosulfonic salts : en fr
  • USD141537S - Decorative wall material unit or the like : en
  • GB569829A - Improvements in or relating to hydraulic control valves : en
  • US2377992A - Automatic turret grinding or polishing machine : en
  • US2378202A - Hammock : en
  • FR899966A - Ion ray tube : en fr
  • ES169912A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NUMBER 157784 : en es
  • ES169976A1 - A PROCEDURE FOR THE PREPARATION OF POLYAZOROUS METALIZABLE DYES : en es
  • GB569893A - Novel or improved tool for use in inserting spring clips and the like : en
  • US2378289A - Walking push tcy : en
  • GB569942A - A tool for performing dimpling, press-riveting and other operations : en
  • GB569870A - Improved form clamp for use in securing forms and sheets to feeding means on addressing and form-printing machines : en
  • GB569966A - Improvements in or relating to the construction of welded articles : en
  • FR899989A - Improvements to sawtooth generators : en fr
  • GB569842A - Improvements relating to beer and like pumps : en
  • ES169847A1 - A MECHANISM OF PICADA FOR THE PROPULSION OF THE TACOS OF THE TELARES : en es
  • US2378192A - Magneto : en
  • CA428105A - Discharge lamp : en fr
  • ES168442A1 - IMPROVEMENTS IN THE OBTAINING OF PLASTIC RESINS : en es
  • ES169966A1 - A PROCEDURE FOR THE MANUFACTURE OF RECTIFIER ELEMENTS : en es
  • ES8456Y - Automatic switch for polyphase power lines. : en es
  • ES169611A1 - A PROCEDURE FOR THE MANUFACTURE OF FLEXIBLE FOLIAGE BODIES : en es
  • CA428166A - Eyelet setting tool : en fr
  • ES8624Y - New bra or curler device for winding hair into permanent waves. : en es
  • US2378268A - Protective apparatus : en
  • US2377967A - Rattrap : en
  • US2378060A - Forging apparatus : en
  • FI20632A - Method for making a notch board : en fi
  • US2378251A - Poultry fountain and feeder : en
  • US2377920A - Textile spool : en
  • US2377916A - anderson : en
  • US2378372A - Turbine and compressor : en
  • ES11515U - Clamp wristwatch holder equipped with straps for fastening (Machine-translation by Google Translate, not legally binding) : en es
  • FR899914A - Process for the mechanical manufacture of ampoules having a narrowed neck and an adjoining funnel-shaped enlargement : en fr
  • CH238053A - Contact device with periodically actuated contacts. : de en
  • USD141535S - Design for a decorative wall material unit or the like : en
  • US2378079A - Treatment of hydrocarbons : en
  • ES11519U - Container to contain threads in the form of balls, spools, skeins, coils or others and present them for sale (Machine-translation by Google Translate, not legally binding) : en es
  • ES8930Y - New type of bicycle. : en es
  • FR899847A - Process for collecting aliphatic dicarboxylic acids : en fr
  • ES11539U - Metallic protector adaptable to all kinds of shoe heels. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169926A1 - A PERFECTED MECHANICAL TELAR : en es
  • ES8846Y - Replaceable parts gallows. : en es
  • FR899769A - Electrified fence for pastures : en fr
  • FR899932A - Sound recording process and medium provided with a sound recording obtained by this process : en fr
  • GB569835A - Improvements in apparatus for use in playing a game : en
  • ES169940A1 - A MECHANISM TO REVERSE THE MACHINES OF THE TELESCOPES BY HAND : en es
  • FR899890A - Improvements in means for preparing emulsions : en fr
  • FR899919A - Camera placed on a mobile support on earth or in space : en fr
  • ES169865A1 - PROCEDURE TO REGENERATE TENNIS BALLS : en es
  • ES169420A1 - A TIBERINE SPLICE PROCEDURE : en es
  • ES8878Y - Protective mask for underwater fishing. : en es
  • FR899873A - Salon boules set : en fr
  • ES169710A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF AUTOMATIC PRESSURE DEVICES ADAPTABLE TO HANDLEBARS OR GUIDES FOR BIKES, MOTORCYCLES AND SIMILARS : en es
  • GB569881A - Improvements in or relating to vehicle dump bodies : en
  • GB569938A - Improvements in or relating to pipe couplings : en
  • US2378015A - Polyvinyl ethers of beta guanylethanols : en
  • GB569944A - Improvements in or relating to fluid pressure remote control systems for aircraft : en
  • FR899766A - Improvements to installations for domestic hot water distribution : en fr
  • CA428068A - Vaporizer : en fr
  • CH237932A - Slab. : en fr
  • US2377955A - Lubricant : en
  • US2378140A - Synthetic rubberlike materials comprising butadiene -1, 3 -interpolymers : en
  • GB569875A - Improvements in and relating to safety razors and blades therefor : en
  • ES169065A1 - MACHINE FOR THE MANUFACTURE OF SHOES : en es
  • ES169968A1 - PERFECTED METHOD FOR THE MANUFACTURE OF RECTIFIER DISCS : en es
  • US2377978A - Telegraph tape transmitter : en
  • ES8879Y - Box-case for the sale, display and use of pencils, especially pencils for blush. : en es
  • ES11530U - A new pedagogical game (Machine-translation by Google Translate, not legally binding) : en es
  • ES8480Y - Paraffiners punching apparatus. : en es
  • US2378332A - Coded centralized traffic control system : en
  • US2378154A - Flexible wheel : en
  • US2377899A - Conduit : en
  • ES10636U - Adjustable razor blade (Machine-translation by Google Translate, not legally binding) : en es
  • GB569924A - Improvements in control apparatus for hydraulically operated elements : en
  • ES8850Y - Device or perfected label for sheep, horse, bovine and sow cattle. : en es
  • GB569825A - Improvements in meat presses : en
  • FR899813A - Sole of a shoe : en fr
  • GB569882A - Improvements in conveyor mechanism : en
  • US2377975A - Method of solvent extraction of oil from seeds : en
  • CA428173A - Light reflector sheet : en fr
  • USRE22650E - Fibroin spinning solutions : en
  • US2377848A - Selective conveyer : en
  • US2377930A - Tapped stator winding : en
  • ES8711Y - Vertical container for the development and development of X-rays, photographs and the like. : en es
  • ES169895A1 - IMPROVEMENTS INTRODUCED IN ALLOY MANUFACTURE : en es
  • FI20660A - Somparengas : en fi
  • GB569859A - Improvements in or relating to combination tools : en
  • ES8725Y - Convertible divan into bed. : en es
  • FR899759A - Gear shift mechanism : en fr
  • ES8688Y - Removable boot device. : en es
  • ES166634A1 - A PROCEDURE TO DEVELOP PLYWOOD BOARDS : en es
  • FI20642A - Returfläkt samverkande med rensapparat för tröskverk : en fi
  • US2377961A - Manufacture of water-soluble egg albumen : en
  • US2378200A - Catalytic cracking of hydrocarbons : en
  • USD141593S - Drop leaf bed table unit or analogous article : en
  • ES8932Y - Curling hair clip. : en es
  • FR899777A - Device for stereophonic sound reproduction : en fr
  • GB569841A - Improvements in folding or collapsable kites : en
  • CH237987A - Method of measurement and apparatus for its implementation. : en fr
  • US2378087A - Ice pack : en
  • USD141530S - Design for an eraser and holder therefor : en
  • US2377864A - Pulp molding and reforming : en
  • CA428102A - Ampere hour meter : en fr
  • FI20620A - Luftkyld blästerforma : en fi
  • US2378176A - Glass forming machine : en
  • US2378241A - Quick adjustable wrench : en
  • US2378286A - Corn harvester : en
  • CH238011A - Device on the molding machine for clamping the molding knife. : de en
  • AU1140543A - Treatment of fatty glycerides : en
  • AU1140143A - Method and apparatus for making pile fabrics : en
  • US2378168A - Process for preparing 2, 6-dintro-4-sulpho-toluene : en
  • FR899856A - Process for giving fibrous materials a wash resistant finish : en fr
  • FR899954A - Process for preparing higher cyano-derivatives : en fr
  • AU951843A - Improvements in or relating to hydraulic presses : en
  • CA428103A - Pressed board manufacture : en fr
  • CA428142A - Room foldable closure : en fr
  • CH238050A - Extinguishing spark gap for surge arresters. : de en
  • DK63592C - Apparatus for the Prevention of Skewed Hands in Arthritis Patients. : da en
  • DK63605C - Centrifugal regulator. : da en
  • CA428066A - Cutting-off blade : en fr
  • US2378129A - Magnetic device : en
  • US2378285A - Bag valve : en
  • US2377943A - Means for cooling material : en
  • GB569886A - Improved air distributing outlet for ventilating systems : en
  • AU120018B2 - Improvements in or relating to internal combustion engines : en
  • ES8782Y - Letter about. : en es
  • US2378317A - Seamless knitted stocking : en
  • FR899788A - Sound cinematographic projection device : en fr
  • US2378259A - Bomb control unit : en
  • US2378365A - Coating compositions containing methyl methacrylate : en
  • CH237982A - Machine gun trigger on return mounts. : de en
  • ES8779Y - Packaging for writing and especially copying paper. : en es
  • ES8811Y - Artificial eyelashes. : en es
  • ES169921A1 - A PROCEDURE FOR THE MANUFACTURE OF YARNS : en es
  • US2378216A - Conversion of hydrocarbons : en
  • US2377970A - Means for mounting lenses : en
  • US2378093A - Measuring device : en
  • ES169293A1 - CHANGE OF AUTOMATIC SPEED FOR BICYCLES, WITH FIVE SPEEDS (BLOCK OF FIVE SPROCKETS) AND REAR WHEEL ON SPECIAL HUB, REMOVABLE WITHOUT LOOSING THE CHAIN : en es
  • US2378229A - Car truck : en
  • US2378320A - Fluid pressure motor : en
  • ES169877A1 - SMALL VOLTAGE LUMINOUS PROJECTOR APPLICATION AND DRAFT APPLICATION : en es
  • ES169886A1 - IMPROVEMENTS IN THE MECHANICAL TRILLOS : en es
  • ES8508Y - Cuts for bodies of boxes or cans with longitudinal welded seam simply overlapped or squared and overlapped. : en es
  • CA428153A - Electronic discharge tube exhaust : en fr
  • FI20626A - Signaling at the electric spark : en fi
  • ES8793Y - Magnetron or magnetically modulable discharge tube. : en es
  • FR899815A - Improvements to dressing-type items, especially sanitary napkins : en fr
  • FR899883A - New complex carbohydrate compounds : en fr
  • FR899934A - Antenna installation for devices emitting or receiving electromagnetic radiation : en fr
  • GB569954A - Improvements relating to guiding means for vehicle windows : en
  • ES8452Y - Small collapsible packaging for food to be frozen and the like. : en es
  • GB569900A - Improvements relating to coupling or connecting devices : en
  • FR899784A - Process for extracting plant materials containing essential oils and other active ingredients : en fr
  • GB569914A - Process for the production of food preparations from potatoes and similar farinaceoustubers : en
  • US2378242A - Aircraft control : en
  • US2377926A - Refrigeration : en
  • ES169879A1 - A PROCEDURE FOR THE CONSERVATION AND CONDITIONING IN CANS, OF MEAT PREPARED, SAUSED AND DERIVED FROM MEAT : en es
  • CH238019A - Transmission channel. : en fr
  • US2377895A - Apparatus for controlling draft : en
  • US2378312A - Inkwell : en
  • US2378208A - Production of synthetic benzene : en
  • US2378225A - Hoist control : en
  • FR899756A - Coupling device for organ keyboards : en fr
  • FR899921A - Metallic pad : en fr
  • US2378304A - Control means for power operated machinery : en
  • ES11571U - Hanger for folding suits (Machine-translation by Google Translate, not legally binding) : en es
  • ES8657Y - Jug, thermos. : en es
  • US2377969A - Apparatus for determining the duration of a transient effect : en
  • ES169688A1 - AN APPARATUS TO ACCUSE THE FAILURE OF ONE OR TWO PHASES IN THREE-PHASE ELECTRICAL MACHINES AND MOTORS THROUGH CONDENSERS : en es
  • US2378305A - Stabilization of coloring compositions containing diazonium salts : en
  • ES8554Y - Espresso machine and its infernillo. : en es
  • ES8808Y - Closing device or fastener for rails of cribs or children's beds. : en es
  • ES8876Y - Dual-purpose heat radiator element. : en es
  • GB569821A - Improvements relating to oil retaining and dirt excluding seals for use with machinery bearings : en
  • US2378164A - Electron discharge device : en
  • US2377917A - Centrifugal casting machine : en
  • US2378035A - Hydraulic planetary transmission : en
  • GB569947A - A device designed to facilitate practice and training in sighting and shooting small arms without the use of ammunition : en
  • ES8560Y - Scissors for slotting punched cards. : en es
  • FR899990A - Shortwave tube improvements : en fr
  • US2378117A - Power winch : en
  • GB569962A - Improvements in variable pitch airscrews : en
  • FR899861A - Electric boiler for heating water for vehicle engines and other stationary or mobile engines : en fr
  • FR899782A - Acetylene generator : en fr
  • US2378260A - Quick detachable gun mount : en
  • ES11550U - Insurance element for shavers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169962A1 - A SYSTEM OF AUTO-TRANSFORMER WITH PRIMARY AND SECONDARY WITH A SINGLE ANTENNA FOR VARIOUS RECEIVERS WITH THE SAME WAVE LENGTH : en es
  • CA428171A - Flexible conduit support on railway cars : en fr
  • CH237958A - Device for finishing wool blankets. : de en
  • CH238035A - Procedure for operating a superheated steam system. : de en
  • ES169929A1 - A NEW DRYING SYSTEM FOR ROTARY ELEMENTS FOR CAOLINES AND INDUSTRIAL LANDS : en es
  • ES11563U - Stapled metal sheet with embedded spring (Machine-translation by Google Translate, not legally binding) : en es
  • ES8618Y - Folding stool for bar. : en es
  • ES8715Y - Family ration card folder. : en es
  • ES8484Y - New system roller rotation bearing. : en es
  • US2378068A - Hydraulic stripper for punch presses : en
  • ES11523U - Clinical thermometer with double scale. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569836A - Improvements relating to the recovery of hemimellitene : en
  • US2378131A - Post driver : en
  • US2377905A - Navigation instrument : en
  • US2378097A - Coil spring suspension : en
  • ES11555U - Knife sharpening device. (Machine-translation by Google Translate, not legally binding) : en es
  • FR899780A - Process for obtaining dry yeast after prior dehydration : en fr
  • FR899963A - Electrolytic capacitor composed of several units connected in series and method of manufacturing this capacitor : en fr
  • FR899869A - Electric furnace for melting glass : en fr
  • US2378016A - Process and apparatus for producing laminated safety glass : en
  • US2377852A - Attachment for internal combustion engines : en
  • ES169269A1 - METHOD OF OPERATION OF A THERMAL VALVE AND CÁTODO FOR THE SAME : en es
  • FR899910A - Mixed salts for the impregnation of wood : en fr
  • ES11574U - Semi-hollow blocks of resistance and insulation construction (Machine-translation by Google Translate, not legally binding) : en es
  • ES8685Y - Oil can : en es
  • FR899981A - Slag mold : en fr
  • GB569863A - Improvements in buckles : en
  • CA428162A - Railway signal system : en fr
  • US2377993A - Method of operating oil-cracking retorts : en
  • US2377907A - Garment trimming apparatus : en
  • ES169971A1 - IMPROVEMENTS IN THE CONSTRUCTION OF LEADING OR SIMILAR HEATING OVENS : en es
  • ES8523Y - Roller cage for bearings. : en es
  • FR899950A - Cooling device for valves, in particular for exhaust valves of internal combustion engines : en fr
  • ES169888A1 - A PERFECTED BURNER OF LIGHTING GAS AND OTHER COMBUSTIBLE GASES THAT GIVE THE AIR AN EXPLOSIVE MIXTURE : en es
  • ES169949A1 - AN APPARATUS FOR THE TREATMENT OF ALL CLASS OF TEXTILE MATERIALS : en es
  • GB569891A - Improvements in or relating to loading ramps or the like : en
  • US2378166A - Cigar machine reroller mechanism : en
  • USD141574S - Design fob a baby s bootee drier : en
  • CH238008A - Device for the surface treatment of metal objects. : de en
  • ES11538U - A new hygienic crib for children (Machine-translation by Google Translate, not legally binding) : en es
  • ES8718Y - Folding box. : en es
  • ES8823Y - Children's high chair. : en es
  • CH237947A - Method and device for the enrichment of combustible gases. : en fr
  • ES8723Y - Rail connection with head pressed on the cable. : en es
  • ES11569U - Mechanism for the subjection and movement of the graphite mine in the hidden mine pens. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8506Y - Tin of preserves. : en es
  • US2378326A - Carrier frequency communication system : en
  • US2377867A - Condensation products : en
  • USD141564S - Design fob a combination stamp hold- er, pad and ink besebvohl unit : en
  • FR899973A - Diesel engine with pre-ignition chamber in the working piston : en fr
  • ES8507Y - Can or can of preserves. : en es
  • FR899814A - Method and apparatus for manufacturing hollow articles, including steel bottles, from tubes : en fr
  • GB569932A - Improvements relating to the sealing of preserving jars or the like containers : en
  • GB569948A - Mechanism for transmitting movement at a distance : en
  • FR899823A - Aromatic compounds containing sulfonamide groups and process for the preparation thereof : en fr
  • GB569950A - Means for recovering coating material from melted electrolytically coated continuous strip material : en
  • GB569911A - Improvements in and relating to indicator gauges for linear dimensions : en
  • FR899783A - Method and devices for impacting emissive electrodes of electrostatic filters : en fr
  • CA428176A - Separable fastener bottom stop : en fr
  • ES8865Y - Electric oven for domestic uses. : en es
  • GB569887A - Improvements in or relating to gas-fired water heaters : en
  • US2377987A - Combination range or distance finder and try square : en
  • ES11516U - Special fountain pens, fill device. (Machine-translation by Google Translate, not legally binding) : en es
  • US2377959A - Agricultural cart : en
  • ES8637Y - Special nozzle with variable and adjustable air inlet section for all kinds of coals. : en es
  • ES8841Y - Razor. : en es
  • FI20639A - Optical system with an anchor system for the operation of the detection system : en fi
  • CA428146A - Cam lapping machine : en fr
  • CH237989A - Thermometer combined with a clock. : de en
  • CH238038A - Process for the production of laminated stator cores for electrical machines and laminated stator core produced according to this process. : de en
  • US2378213A - Photographic tone correction mask : en
  • CA428086A - Water treatment apparatus : en fr
  • ES8731Y - Perfected cylindrical case, especially for musical records. : en es
  • FR899774A - Distance indicator, in particular altimeter for airplanes : en fr
  • GB569847A - Improvements in and relating to electric valve circuits for controlling current impulses in welding and other load circuits : en
  • ES169871A1 - NEW REINFORCED LOCK MECHANISM : en es
  • ES8758Y - Identification system for document portfolios. : en es
  • FI20623A - Double paper collar : en fi
  • ES8933Y - Machine for cutting paper strips. : en es
  • FR899798A - Friction blades for electromagnetic clutches with blades : en fr
  • GB569822A - Improvements relating to devices for holding safety razor blades during sharpening : en
  • FR899995A - Device for transporting suitcases or cases by rolling : en fr
  • ES169848A3 - A NEW PROCEDURE FOR GALVANOTECHNICAL METALLIC : en es
  • ES8488Y - Ball. : en es
  • FR899800A - Elastic fixing of all axle components : en fr
  • DK63602C - Procedure for the manufacture of carbon paper. : da en
  • ES8842Y - Trouser bra. : en es
  • ES8845Y - Radioaxial ball bearing shaft, applicable to different uses, especially water pumps. : en es
  • CA428164A - Coating material spray recovery means : en fr
  • CH238089A - Process for the preparation of 4-amino-benzenesulfone-3'-methyl-4'-methylmercapto-benzamide. : de en
  • FR899908A - Elastic mounting of a horn in a headlight housing : en fr
  • CA428139A - Transfer paper : en fr
  • ES8529Y - Automatic fuse holder. : en es
  • FR899809A - Process for the preparation of valuable products from the copolymerization products of vinylidene halides and vinyl halides, and substances prepared and processed with the products thus obtained : en fr
  • US2378265A - Color photography : en
  • USD141570S - Design for a toy stove : en
  • US2378133A - Tobacco cutting mechanism : en
  • US2378264A - Pliers : en
  • CH238048A - Melting protection to prevent excessive temperatures in furnace systems. : de en
  • CA428122A - Pure melamine manufacture : en fr
  • CA428147A - Grinding machine : en fr
  • CH238079A - Handle on bicycles. : de en
  • GB569877A - Improvements in or relating to stop-motion and pressure release mechanism for rollers of wringing and other machines : en
  • GB569934A - Improvements in the production of tubing : en
  • DK63591C - Drive device at Stokere. : da en
  • GB569873A - Improvements in or relating to supersonic inspection devices : en
  • GB569955A - Improvements in or relating to means for controlling the operation of engine coolingsystems : en
  • CA428124A - Ammonium sulphate and sulphur production : en fr
  • CH238041A - Impregnated, voltage-dependent resistor. : de en
  • US2378277A - Folding machine : en
  • US2378299A - Radio service system : en
  • ES8561Y - Safety handlebars for doors. : en es
  • CA428056A - Paint mask : en fr
  • CH238022A - Steam compressor. : de en
  • USD141546S - Design for a plating ball : en
  • CH238037A - Process for the manufacture of coal collectors. : de en
  • US2377853A - Protein manufacture : en
  • US2378193A - Paper and method of manufacturing same : en
  • US2378254A - Adjustable and collapsible floating crane : en
  • USD141580S - Design fob a dress : en
  • US2377922A - Production of soft cold reduced steel : en
  • ES11566U - Espadrille sole or footwear formed by the paired plinth and rubber band, (Machine-translation by Google Translate, not legally binding) : en es
  • CA428047A - Plastic supported winding element : en fr
  • CH238046A - Mechanical device for displaying and / or regulating speed differences. : de en
  • CA428051A - Acetylene torch : en fr
  • CH237986A - Adjustable fork gauge. : en fr
  • CH237981A - Spinning top toy. : de en
  • ES8694Y - Foldable Secafirmas. : en es
  • US2377997A - Trim panel : en
  • CH238052A - Protection relays for electrical machines and apparatus. : de en
  • US2377900A - Fractionation temperature gradient method of analysis : en
  • US2378010A - Manufacture of shoes : en
  • US2378167A - Foundation garment : en
  • CH238069A - Case for storing coupons, stamps, etc. : de en
  • AU938443A - Improvements in or relating to dyestuffs, pigments and dyestuff intermediates : en
  • CH238043A - Electric switch with switching magnet. : de en
  • US2378109A - Fuse construction : en
  • US2378007A - Process of modifying the molecular structure of oils and fats : en
  • US2378294A - Posting unit : en
  • US2378155A - Treatment of adsorbent alumina : en
  • US2377889A - Force measuring instrument : en
  • US2378128A - Container : en
  • US2378240A - Center fork stop motion : en
  • US2377996A - Level-wind mechanism : en
  • US2378059A - Manufacture of propeller blades : en
  • ES169840A1 - A SYSTEM TO EXHIBIT INFORMATION REGARDING A PLURALITY OF DIFFERENT EPIGRAFTS : en es
  • FI20657A - Anordning vid elektriska alarmanläggningar : en fi
  • CH237941A - Electric furnace for melting glass. : en fr
  • CH238016A - Pyrophoric lighter. : en fr
  • US2377951A - Sewing machine : en
  • AU1137443A - Making selenium elements : en
  • CH238076A - Vehicle wheel. : en fr
  • US2377860A - Oil delivery control system : en
  • AU120025B2 - Making selenium elements : en
  • ES8744Y - Inhaler for therapeutic applications. : en es
  • FR899924A - Metallic Azo Dyes : en fr
  • GB569861A - Improvements in appliances for sharpening safety razor blades : en
  • FR899900A - Multi-layer negative material or multi-layer inversion material for subtractive color photography with overlay sensitization for individual layers : en fr
  • CH237939A - Push bolt sliding lock. : de en
  • CA428072A - Meat cooking carton : en fr
  • CA428161A - Slicing machine unit : en fr
  • ES8636Y - Skate for strollers. : en es
  • ES8677Y - Packaging for powdery and similar products. : en es
  • ES8739Y - Steel helmet. : en es
  • ES168983A1 - A PROCEDURE FOR THE SIMULTANEOUS OBTAINING OF PRECIPITATED CALCIUM CARBONATE AND INDUSTRIAL MAGNESIUM OXIDE, OR ANY OTHER COMPOUND DERIVED FROM IT (LIKE THE NEUTRAL OR BASIC CARBONATES), STARTING FROM THE DOLOMY AND THE SWEET OR DEVILED WATER : en es
  • US2378019A - Gas testing method and apparatus : en
  • CH237966A - Method of making testosterone. : de en
  • US2378126A - Container : en
  • US2378301A - Optical system : en
  • CH237934A - Machine for transporting soil. : en fr
  • ES8852Y - Supply of ink in fountain pens. : en es
  • USD141543S - Decorative wall material unit or the like : en
  • ES169963A1 - IMPROVEMENTS IN OSCILADORES-MODULADORES : en es
  • DK63604C - Bearing device for rotating Pumps with a cylindrical Rotor arranged eccentrically in a cylindrical housing. : da en
  • US2378021A - Magnetic templet-following machine : en
  • CH237946A - Train locking system for boilers, especially those with additional electrical heating. : de en
  • DK63597C - Speed indicator. : da en
  • ES8609Y - Cover button : en es
  • ES8635Y - Protective ring for washing the head. : en es
  • FR899935A - Method and device for making yarn, rope, etc., from rushes, straw, or stiff fibers, and products obtained by this method : en fr
  • GB569812A - Improvements in the manufacture of pentaerythritol tetranitrate in a granular form : en
  • US2377945A - Drawbar for harrows : en
  • US2378063A - Refrigerating means for vehicles : en
  • ES169883A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NUMBER 161886 : en es
  • ES8613Y - Currycomb. : en es
  • FI20631A - A tent or similar building formed of boards : en fi
  • FR899884A - Electric capacitor : en fr
  • GB569922A - Improvements in or relating to linear dimension gauges or linear measurement checking devices : en
  • ES8795Y - Bakelite folding glass or similar material. : en es
  • FR899820A - Crotonic acid manufacturing process : en fr
  • GB569846A - Production of esters of trichlorpropionic acid : en
  • USD141524S - Design for a coin slide : en
  • FR899812A - New assembly device for metal profiles : en fr
  • AU120014B2 - Improvements relating to telephone systems : en
  • ES8797Y - Foldable glass made of Bakelite or similar plastic material, with base and lid, constituting a protection box. : en es
  • GB569817A - Screwthread locking devices : en
  • USD141560S - Tackett toy castle : en
  • US2377876A - Metal cleaning process and composition : en
  • USD141557S - Design for a spray pump : en
  • US2377940A - Stretcher : en
  • FI20649A - The pressure is applied to the water or to the slurry by means of a tritical water ring and by the chemical to the reaction reaction resp. lösning eller uppslamning : en fi
  • FR899826A - Constructive devices constituting improvements to folding tables : en fr
  • US2377941A - Refrigerator : en
  • US2378247A - Concentrated liquid hardeners and process for preparing : en
  • CA428109A - Circuit safety device : en fr
  • US2377976A - Continuous solvent extraction of oil from seeds : en
  • US2378025A - Coating apparatus : en
  • US2378048A - Method of making haloacetyl halides : en
  • USRE22651E - Filter : en
  • CH237945A - Process for the elimination of soot, fly ash and fly dust from the combustion gases of combustion plants and equipment for carrying out the process. : de en
  • CH238017A - Bearing shell. : en fr
  • US2378209A - Process for the production of aromatic hydrocarbons : en
  • GB569816A - Improvements in or relating to shopping bags or like carriers : en
  • GB569848A - Improvements relating to railway traffic controlling apparatus : en
  • GB569965A - Improvements in or relating to electric control switches : en
  • ES8659Y - Hygienic rubber adaptable to any bed-cot or car. : en es
  • USD141567S - Design for a toy church : en
  • DK63589C - Device for amplifiers for ultra-high frequency oscillations. : da en
  • US2378014A - Method of determining the effective range of magnetic detectors : en
  • FR899804A - Process for manufacturing corrugated artificial material separators for accumulators : en fr
  • FR899837A - Blank for the production of bearing housings cast from the inside by centrifugal casting : en fr
  • US2378012A - Air diffusing and ventilating unit : en
  • FR899926A - Game : en fr
  • GB569858A - Improvements in means for generating high-frequency electric oscillations : en
  • GB569820A - Improvements in shaving or hair cutting appliances : en
  • GB569883A - Positive cross feed stop assembly attachment for turning lathes : en
  • US2377932A - Microscopic calendar for fountain pens and pencils : en
  • USD141568S - Design fob a towered l holding : en
  • ES8655Y - Elastic belt. : en es
  • ES8880Y - Metal sill for looms : en es
  • GB569961A - Improvements in or relating to telegraph apparatus : en
  • ES8868Y - Perfected radiator. : en es
  • FR899802A - Rotating field converter : en fr
  • FI20629A - Building board : en fi
  • FR899943A - Air Defense Shelter Gas Protection Filter : en fr
  • ES169892A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUM. 167236 : en es
  • FR899882A - Further training in talking shop machines : en fr
  • ES11559U - Jaws or pliers. (Machine-translation by Google Translate, not legally binding) : en es
  • FI20653A - Anordning för navigation av fartyg : en fi
  • GB569969A - Apparatus for drilling polygonal or other non-circular holes : en
  • ES8551Y - Express calls coffee maker. : en es
  • FR899952A - Process for the manufacture of cylindrical pre-stressed concrete hollow bodies with pre-tensioned cross reinforcement : en fr
  • ES8656Y - Thermos bottle. : en es
  • US2378070A - Cooling means for abrasive cutters : en
  • USD141534S - Decorative wall material unit or the like : en
  • US2378257A - Fastening device : en
  • US2377981A - Well flowing means : en
  • CA428059A - Snow hurler : en fr
  • CH238007A - Process for the production of commutator bars and other contact bodies. : de en
  • USD141584S - Design fob a pin ob similar abticle : en
  • GB569840A - Improvements in or relating to combined electric switchgear and fusible cut-outs, distribution boards and the like : en
  • CH238078A - Procedure for re-rubbering rubber tire treads. : de en
  • CH237983A - Profile testing device. : de en
  • FR899879A - Device for fixing drive plates to the headstock shaft of a machine tool : en fr
  • US2378271A - Reinforced abrasive article mounted on a backing plate : en
  • CA428156A - Composite pigment manufacture : en fr
  • GB569926A - Improvements in and relating to electric cable terminals : en
  • US2377877A - Hair waving device : en
  • US2378107A - Pickup : en
  • US2378150A - Clothes reel : en
  • US2377858A - Carrier wave modulation : en
  • ES8627Y - Secafirmas perfected. : en es
  • FR899918A - Very high pressure steam trap : en fr
  • FI20650A - Multicellulär, icke pneumatisk gummiring för bilar, cyklar och dyl. : en fi
  • ES169214A3 - A PROCEDURE OF MAKING THE SOUND RECORDING IN CINEMATOGRAPHIC FILMS : en es
  • GB569854A - Containers for liquids : en
  • US2377946A - Method of and apparatus for shaping thermoplastic sheets : en
  • US2378353A - Fluid coupling : en
  • GB569905A - Radio receivers : en
  • ES169956A1 - A PROCEDURE TO PREVENT THE COUNTERFEITING OF DOCUMENTS AND THE REPLACEMENT OF THE PHOTOGRAPHS ADHERED TO THEM : en es
  • ES8586Y - Shoulder pads for making clothing. : en es
  • ES169864A3 - IMPROVEMENTS IN THE MANUFACTURE OF RUBBER BALLS, LINED WITH CLOTH, TO PLAY TENNIS : en es
  • FR899866A - Stand for directories, catalogs, etc. : en fr
  • GB569959A - Improvements relating to plant for the treatment of water : en
  • US2378196A - Preparation of divinyl benzene products : en
  • GB569943A - Improvements relating to control systems for regulating the rate of flow of liquids or other materials capable of flowing : en
  • ES169985A1 - A PROCEDURE FOR DEODORIZATION AND HARDENING OF OILS AND GREASES WITH THE HYDROGEN FROM THE ATTACK OF THE METALS BY THE ACIDS : en es
  • ES6096Y - Living room game. : en es
  • DK63606C - Device for Motor Vehicles with Trailer. : da en
  • ES8869Y - Perfected radiator. : en es
  • ES8709Y - Segment extractor for internal combustion engines. : en es
  • US2377988A - Oil reclaiming device : en
  • US2378104A - Preparation of chlorhydrins and polyhydric alcohols from olefins : en
  • FR899849A - Device for regulating the voltage at the terminals of an alternator : en fr
  • FI20659A - Ski : en fi
  • CH238020A - Control device for a gear that can be regulated by a manual actuator. : de en
  • CH238074A - Rectangular box. : de en
  • US2378022A - Electric switch : en
  • CA428113A - Discharge lamp : en fr
  • US2377966A - Stabilization of monoethanolamine solutions : en
  • US2378120A - Rotary valve for internalcombustion engines : en
  • ES8857Y - Membership badge to designate objects for personal use. : en es
  • FI20651A - Fästanordning för stänkskärmen till en velociped : en fi
  • GB569937A - Improvements in and relating to safety razors : en
  • CH237997A - Wristwatch. : en fr
  • AU129855B2 - Bonding agent : en
  • US2378328A - Means and method of identifying manufactured products : en
  • CA428154A - Door lock : en fr
  • US2378020A - Portfolio : en
  • US2378246A - Carbonaceous char : en
  • US2378085A - Transmission : en
  • US2378321A - Electrical silicon steel : en
  • US2378142A - Method for making furnaces for the electrolytic production of aluminum : en
  • US2378038A - Heel support : en
  • CA428074A - Toy parachute : en fr
  • AU120008B2 - Method and material suitable for use inthe production of molten metal products : en
  • CH237956A - Gauze fabric. : de en
  • ES169948A1 - A PROCEDURE FOR THE MANUFACTURE OF A PRODUCT INTENDED TO ROOT SCREENINGS : en es
  • US2377960A - Machine for the manufacture of piston rings : en
  • CH238001A - Device for automatic continuous loading of the melting crucible of injection molding machines. : de en
  • FR899938A - Two-stroke polycylindrical opposed piston engine : en fr
  • AU2115445A - Improvements in or relating to substituted quinolines and processes of making them : en
  • CH237937A - Electrically heatable stove. : de en
  • CH238028A - Internal combustion engine with several valves in the cylinder head. : de en
  • ES8512Y - Cut for box bodies with joined longitudinal seam, simply welded by flap or square and joined by flap. : en es
  • ES8749Y - Note taking apparatus. : en es
  • CH238059A - Cosmetic preparation. : de en
  • ES8647Y - Metallic back for covered buttons. : en es
  • FR899962A - Streamer : en fr
  • US2377874A - Automatic stoker : en
  • US2377956A - Silo and method of making same : en
  • US2378101A - Method and means for treating fruit having a pit : en
  • CH238083A - Contactor control for multi-stage voltage regulation of transformers, especially for rail vehicles. : de en
  • CA428095A - Power distribution system : en fr
  • CA428160A - Trailer knockdown body : en fr
  • CA428181A - Child protecting and restraining device : en fr
  • ES169907A1 - IMPROVEMENTS IN THE PRESSES OF PROPELLERS FOR THE MANUFACTURE OF PASTES OR CERAMIC PRODUCTS : en es
  • DK63587C - Rotating Files. : da en
  • FI20652A - Kapsyleringshuvud : en fi
  • ES169913A1 - IMPROVEMENTS IN THE MANUFACTURE OF PORTALRETRATOS : en es
  • US2378144A - Apparatus for the mechanical loading of beetroots : en
  • US2378349A - Universal joint construction : en
  • FR899770A - Handlebar grip : en fr
  • FR899819A - Device for regulating the voltage at the terminals of an alternator : en fr
  • CH238063A - Circuit arrangement for determining occupied lines in telecommunications systems. : de en
  • CH238014A - Buckle for connecting two sections of cord to each other. : en fr
  • ES169869A1 - PROCEDURE FOR HOT MANUFACTURE OF METAL TUBES WITHOUT WELDING, BY STRETCHING ON LONG MANDREL WITH SPECIAL ROWS : en es
  • FR899992A - Guide and drive system for thin safety razor blades during sharpening and other treatments : en fr
  • ES8510Y - Body for canning cans. : en es
  • ES8738Y - Headgear, especially metal shell. : en es
  • FI20640A - Manure spreader : en fi
  • FR899832A - Electrical feed-through capacitor : en fr
  • FI20655A - Anordning vid livräddnings- och skyddsdräkter : en fi
  • ES169836A1 - PROCEDURE TO INSULATE AN ISOMERA FORM OF HEXACLOROBENZOL : en es
  • AU120031B2 - Straw walker for reaper-threshing machine : en
  • US2378137A - Vacuum caponizing instrument : en
  • ES8592Y - Automatic change punch holder. : en es
  • FR899917A - Reciprocating steam engine with downstream exhaust steam turbine : en fr
  • ES8881Y - Protective jacket for siphons or seltzer bottles. : en es
  • ES8929Y - Extension device for lampshade and lamp on tilting radiological tables. : en es
  • GB569862A - Improvements in or relating to lathe tool holders : en
  • US2378057A - Treatment of hydrocarbons : en
  • USD141587S - Design for a compotier or article of similar nature : en
  • US2378136A - Method and apparatus for making blanks from cans : en
  • ES8735Y - Automatic tray for use in bed. : en es
  • US2378214A - Expansion means : en
  • US2378077A - Method of and system for dispensing liquefied fuel : en
  • CH238034A - Procedure for securing the heating surfaces of rotating steam generators that work with centrifugal effect. : de en
  • ES8770Y - Wardrobe folder with changeable dresses doll. : en es
  • FR899975A - Device for driving jet bars mainly in straight looms of the cotton type : en fr
  • US2378172A - Apparatus for mounting safety pins on cards : en
  • DK63598C - Support bracket for trunks, beams or rods. : da en
  • ES169854A1 - IMPROVEMENTS IN THE APPARATUS FOR HANDLING AND TREATMENT OF FLEXIBLE METAL PLATES : en es
  • GB569880A - Improvements in cartons or containers comprising sheets of cardboard, paper or the like material : en
  • FR899893A - Mechanical safety razor : en fr
  • US2377986A - Unit and multiple door operator : en
  • US2378105A - Electric service wire coupling means : en
  • ES8599Y - Toy aircraft. : en es
  • ES169975A1 - A PROCEDURE FOR THE PREPARATION OF CONDENSATION PRODUCTS : en es
  • ES8888Y - Machine for drilling belts, which at the same time serves to bend and rivet the hooking clips used to join them. : en es
  • FR899860A - Weighted float combined with a special line for land handline fishing : en fr
  • ES168850A1 - IMPROVEMENTS INTRODUCED IN THE MEANS TO DAMPEN OR LIMIT THE MOVEMENTS OF AN ALTERNATING DISPLACEMENT MASS, PARTICULARLY FOR PNEUMATIC HAMMERS : en es
  • ES8583Y - Folding chair of the so-called hammocks. : en es
  • GB569899A - Improvements relating to the treatment of water and other aqueous solutions of electrolytes : en
  • CA428064A - Umbrella ferrule : en fr
  • ES8819Y - Blade system for windmills. : en es
  • US2378036A - Fuel metering device : en
  • US2378309A - Parasiticidal compositions : en
  • CH238027A - Free piston internal combustion engine. : de en
  • ES169567A1 - COMBINED ANTENNA AND OSCILLATION GENERATOR SYSTEM : en es
  • DK63607C - Luggage carrier and Highchair for Bicycles. : da en
  • ES169920A1 - AN ELECTRICAL TOY SYSTEM MOVED REMOTELY BY THE VOICE : en es
  • AU929243A - Improved hoist : en
  • CH238080A - Luggage racks for bicycles and motorcycles. : de en
  • CH238040A - Insulator for electric lines. : de en
  • FI20658A - Tubular arm of a ski pole : en fi
  • FR899754A - Injection pump : en fr
  • ES8662Y - Lined button type. : en es
  • US2378174A - Vacuum cleaner : en
  • FR899970A - Process for supplying heat engines and engines for its implementation : en fr
  • GB569869A - Improvements in or connected with gas meters : en
  • CH237931A - Construction process for large structures and in particular large dams. : en fr
  • US2377971A - Means for use in splicing webs : en
  • ES167551A1 - A PROCEDURE FOR THE SEPARATION OF MINERAL MIXTURES : en es
  • FI20661A - Shower device : en fi
  • US2378013A - Synthetic modulator system : en
  • US2377928A - Stretching cast elongate bodies : en
  • US2378095A - Fluid seal : en
  • US2378152A - Recovering resins from coal : en
  • US2378175A - Smoking device : en
  • CA428101A - Discharge lamp mechanism : en fr
  • CH237961A - Installation to be used for the transfer of liquids. : en fr
  • US2378354A - Range finder : en
  • CH238064A - Telephone installation. : en fr
  • CA428057A - Paint mask : en fr
  • USD141562S - Design for a toothbrush : en
  • AU927243A - Improved method for treating iron sulphide-bearing material : en
  • FR899915A - Two-stroke combustion engine without valves : en fr
  • AU2086545A - Agents for combating pests : en
  • CH238061A - Umbrella and cloakroom stands. : de en
  • CA428100A - Electrical protective device : en fr
  • CH237995A - Accessory optical device applicable to photographic and cinematographic cameras. : en fr
  • CH237974A - Agraffe nail gun. : de en
  • US2378238A - Furnace control apparatus : en
  • CH237929A - Spray pipe, especially for pest control. : de en
  • US2378335A - Massage device : en
  • CH238045A - High-voltage switch with multiple interruption and arc extinguishing by a flowing extinguishing agent. : de en
  • CH238058A - Process for obtaining products, sterile and unsuitable for the development of microorganisms, relating to vaccino- and serotherapy. : en fr
  • US2378356A - Method of concentrating minerals : en
  • US2377896A - Carbon separator : en
  • US2377984A - Lawn mower sharpener : en
  • US2378221A - Twin grid casting : en
  • ES8630Y - Folder for storing documents, particularly ration cards. : en es
  • CA428138A - Thermistor : en fr
  • CA428137A - Adhesive : en fr
  • US2378311A - Rectifier for change-over work : en
  • US2378352A - Aviation oil cooler : en
  • CA428149A - Radio relaying system : en fr
  • CH237996A - Waterproof external control unit for a timepiece. : en fr
  • FR899833A - Microphone mount : en fr
  • CA428117A - Stabilized liquid coating composition : en fr
  • US2378159A - Storage tank : en
  • AU1140243A - Improvements in or relating to internal combustion engines : en
  • CH238003A - Tool holder with rotating tool. : de en
  • CH238077A - Method for hermetically sealing an air hose made of rubber and air hose manufactured according to this method. : de en
  • ES169843A1 - ELECTRO-HYDRAULIC BRAKE SYSTEM AND HYDRAULIC SHOCK ABSORBER FOR TRAILERS OF ONE OR MORE AXLES : en es
  • FR899991A - Ultra-shortwave frequency multiplier : en fr
  • US2378047A - Oxygen flow regulator : en
  • US2378132A - Inking utensil : en
  • US2378045A - Cylinder construction : en
  • US2378069A - Hydraulic stripping mechanism : en
  • ES8443Y - Machine to join papers by embossing. : en es
  • FI20654A - Breathing apparatus : en fi
  • GB569845A - Improvements in multi-range inductance-capacity tuning circuit arrangements and tuning scales therefor : en
  • ES11570U - Wallet-purse, garment or similar object, provided with a secret department. (Machine-translation by Google Translate, not legally binding) : en es
  • FR899903A - Dust separator : en fr
  • GB569811A - Improvements in and relating to the reduction of iron ores containing titanic acid : en
  • US2378253A - Animal trap : en
  • US2378315A - Knitting machine : en
  • ES8558Y - Luminous advertisement type. : en es
  • CH237935A - Rustless hot water boiler. : de en
  • CH238000A - Balance screw tool. : en fr
  • ES168620A1 - A PROCEDURE TO STOCK THE EBONITE PIECES, PLASTIC MATERIALS OR THEIR SIMILAR EMPLOYEES IN MACHINERY : en es
  • ES169941A3 - AN AUTOMATIC NUMBERING DEVICE WITH PRINT PLATE : en es
  • ES169950A1 - IMPROVEMENTS IN APPLIANCES TO CLEAN INTERIORLY ALL KINDS OF FLUID CONDUCTION PIPES THAT ARE LIQUIDS OR GASES : en es
  • USD141545S - Design for a wrench : en
  • ES11551U - Trimmed cards that allow a double classification simultaneously. (Machine-translation by Google Translate, not legally binding) : en es
  • CA428097A - Insulating and dielectric composition : en fr
  • US2378274A - Weighing scale : en
  • USD141529S - Design fob a locomotive : en
  • GB569919A - Improvements in springs : en
  • US2378351A - Multiple heat exchange unit : en
  • ES169914A1 - A PROCEDURE FOR THE MANUFACTURE OF INSECTICIDE POWDER : en es
  • FR899974A - Device for automatic change of rolls in spinning preparation machines : en fr
  • FR899829A - Elastic fixing of all axle components : en fr
  • ES168947A1 - PROCEDURE FOR MANUFACTURING AN ARTIFICIAL RESIN : en es
  • FR899951A - Laboratory accessory : en fr
  • FR899764A - Process for plasticizing unvulcanized rubber or regenerating vulcanized rubber : en fr
  • FR899928A - Improvements available to the timing mechanism in engines with oscillating levers transmitting piston movements to the crankshaft : en fr
  • GB569827A - Improvements in or relating to electric terminal assemblies : en
  • ES8686Y - Doll and her wardrobe in the form of a book. : en es
  • ES169939A1 - IMPROVEMENTS IN THE MECHANICAL URDIDORS FOR SILK TISSUES AND OTHER SIMILAR FIBERS : en es
  • ES8671Y - Device applicable to vaporizers. : en es
  • ES168398A1 - PROCEDURE FOR THE MANUFACTURE OF SIMPLE AND COMPLEX HUMATS TO BE USED AS FERTILIZERS AND IN CHEMICORGANIC FERTILIZERS : en es
  • ES169849A1 - A PROCEDURE TO BENEFIT, BY SPARKLING FLOTATION, OXIDIZED IRON MINERALS : en es
  • ES8684Y - Heating clip, perfected, for permanent waving of hair. : en es
  • ES8814Y - Switch for electricity. : en es
  • GB569931A - Improvements relating to sound reproducing and like apparatus : en
  • ES8563Y - Rear fittings for buttons. : en es
  • ES8765Y - Toilet seats. : en es
  • US2377863A - Window : en
  • ES169937A1 - A SYSTEM FOR ATTACHING PARTS BY TRACTION DEBRIDAS SEMIRRÍGIDAS DISPLACABLE BY THREAD TENSION : en es
  • ES8629Y - Pliers to seal. : en es
  • ES11556U - New closure for cardboard side edges used in packaging (Machine-translation by Google Translate, not legally binding) : en es
  • ES168803A1 - PROCEDURE TO MANUFACTURE FOOTWEAR WITH FABRIC OR LEATHER CUT AND RUBBER SOLE : en es
  • USD141575S - Design fob a brassiere : en
  • ES11560U - Combined furniture that performs functions of bedroom, dining room, office, living room and living room. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569912A - Improvements in and relating to indicator gauges and like instruments : en
  • US2377911A - Pallet : en
  • US2378123A - Smoke and fume eliminator : en
  • US2377908A - Extruded thermoplastic tubing : en
  • US2378124A - Circuit breaker : en
  • US2378018A - Apparatus for balancing wheels : en
  • US2378272A - Air conduit : en
  • US2377985A - Polyamide solutions : en
  • ES8860Y - Viras making apparatus for footwear. : en es
  • ES8874Y - Ball game that can be played without fronton. : en es
  • FR899984A - Adhesive : en fr
  • ES11537U - Bicycle brake fork with variable tensioning device. (Machine-translation by Google Translate, not legally binding) : en es
  • FR899901A - Process for preparing vinyl chloride : en fr
  • ES8604Y - Slanted edge razor. : en es
  • FR899755A - Injection pump : en fr
  • FR899768A - Thermal motive power installation in which at least the major part of a gaseous working fluid circulates in a closed circuit : en fr
  • GB569844A - Improvements in the manufacture of an anti-bacterial agent : en
  • GB569915A - Apparatus for conveying and treating tins and the like : en
  • CA428108A - Gaseous discharge lamp : en fr
  • US2378086A - Automatic phonograph : en
  • US2378177A - Means for refrigerating : en
  • FR899779A - Process for preparing crotonic acid : en fr
  • ES169861A1 - IMPROVEMENTS IN THE TELEPHONE CENTRAL SYSTEM : en es
  • US2377921A - Grinding machine : en
  • US2378171A - Apparatus for mounting safety pins on cards : en
  • FI20627A - Gas generator : en fi
  • US2378364A - Batavia dammar resin coating compositions : en
  • FR899885A - Method and apparatus for the treatment of stones containing asbestos : en fr
  • FR899937A - Device for controlling the speed of rotation of DC motors : en fr
  • DK63588C - Method for Preparation of Aqueous, Colloidal, High Viscosity Solutions of Alkaliment Phosphates. : da en
  • US2378295A - Cribbing : en
  • FR899765A - Protective device for windows, doors, etc. : en fr
  • CH237969A - Manufacturing process for vinyl chloride. : en fr
  • USD141521S - Design for a seal stamp : en
  • FR899789A - Process for electrically welding very thin metallized sheets, such as papers or sheets of artificial material covered with metal : en fr
  • GB569872A - Improvements in or relating to supersonic inspection devices : en
  • ES8757Y - Device for preparing aromatic infusions. : en es
  • US2378346A - Apparatus for mixing and burning fuel : en
  • ES8553Y - Apparatus for repairing knitwear. : en es
  • GB569814A - Improvements in the production of rubber-like materials : en
  • ES169942A1 - A PROCEDURE FOR THE DESTRUCTION AND TREATMENT OF TURBA AND SIMILAR SUBJECTS : en es
  • ES8675Y - Handle and automatic tensioner. : en es
  • GB569923A - Improvements in catalytic hydrogenation of fatty acids and esters : en
  • US2378343A - Machine tool guideway : en
  • ES169185A1 - A POSITION INDICATOR FOR AIRCRAFT : en es
  • ES8548Y - Endless wheel for skates. : en es
  • FR899801A - Process for preparing vitamin C : en fr
  • GB569852A - Improvements in melting pots : en
  • GB569889A - Method of and apparatus for determining moisture in various substances : en
  • GB569910A - Improvements in and relating to speed governors : en
  • GB569951A - An improved method of and apparatus for treating waste liquor : en
  • ES169286A1 - A NEW SUSPENSION SYSTEM FOR BOATS ON CIRCULAR ONDULATORY CARROUSELS : en es
  • AU1004943A - Pump drive : en
  • CH238066A - Piezoelectric quartz plate. : de en
  • US2378350A - Single effect evaporator : en
  • US2378028A - Heel for boots or shoes : en
  • CH237925A - Peening device. : de en
  • US2378081A - Device or means for supporting the ropes or cables of aerial ropeways or the like : en
  • US2377903A - System for geological exploration by elastic waves : en
  • US2378103A - Window operator : en
  • FR899996A - Further training in jet propulsion systems : en fr
  • FI20622A - Refund provisions for gas and oil products and waste products : en fi
  • US2378053A - Production of iron carbonyl : en
  • FR899806A - Porous material container for galvanic elements : en fr
  • GB569839A - An electrical course indicating navigation instrument : en
  • US2378024A - Strip coiling apparatus : en
  • US2378333A - Cloth string feed apparatus : en
  • ES11525U - Tool to mechanically improve the ornamental moldings of plaster with which the ceilings and walls are decorated. (Machine-translation by Google Translate, not legally binding) : en es
  • US2377854A - Artificial fibers and manufacture thereof : en
  • US2378199A - Synthetic resinous compositions comprising intercondensation products of vinyl esters, guanazoles, aldehydes, and/or ketones : en
  • USD141594S - Design fob a smoker s pipe : en
  • US2378064A - Catalytic desulphurization process : en
  • US2378302A - Method and means for generating helices : en
  • ES169947A1 - A PROCEDURE FOR MANUFACTURING CIGARETTES PROVIDED WITH SELF-REFLECTING TIP : en es
  • USD141542S - Decorative wall material unit or the like : en
  • US2378323A - Method of purifying oil field waste waters : en
  • GB569952A - Improvements in or relating to spanners : en
  • US2378273A - Fluid distributing mechanism : en
  • USD141558S - Design for a vaporizer : en
  • CA428168A - Fluosilicate addition to latex : en fr
  • CH237943A - Retort for distillation or pyrogenation. : en fr
  • CH237980A - Structure. : de en
  • US2378134A - Apparatus for preparing solutions : en
  • US2378235A - Process for ground fixation : en
  • FR899864A - Method for drying shoes during manufacture by infrared radiation, and device using this method : en fr
  • CA428104A - Lamp glow relay mounting : en fr
  • GB569895A - Improvements in and relating to speed control devices : en
  • ES8489Y - Simplified packaging with guarantee seal. : en es
  • CA428052A - Press : en fr
  • ES8697Y - Shoelace : en es
  • US2378039A - Device for measuring pressures exerted by certain body portions on a support therefor : en
  • US2378180A - Apparatus for formation and packing of containers : en
  • US2378074A - Platform shoe : en
  • US2378288A - Polyvinyl acetal plastic compositions : en
  • CH237978A - Device with writing pad for storing paper strips provided with notes. : de en
  • AU2133345A - Automatic change-speed gear for bicycles andthe like : en
  • US2378267A - Case : en
  • US2378337A - Shoe tree : en
  • US2378282A - Optical instrument : en
  • CH237975A - Card index. : de en
  • US2378156A - - office : en
  • ES169935A1 - A PERFECT MECHANISM FOR LEVER SWITCHES : en es
  • ES8745Y - Transportable rolling table for typewriter or similar. : en es
  • GB569927A - Interpolymers of ethylene and vinyl organic esters : en
  • GB569946A - Improvements in a rotary tool for grinding, filing, sanding, polishing and similar operations : en
  • CH237971A - Process for the polymerization of 2-chlorobutadiene-1,3. : de en
  • CH237977A - Rotogravure printing machine for sheets. : de en
  • CH238051A - Surge arresters. : de en
  • CA428084A - Shirt folding table : en fr
  • ES169872A2 - PRE-STRESS ARMOR FOR PRE-COMPRESSED CONSTRUCTION : en es
  • FR899828A - Control of bicycle brakes using the handlebars : en fr
  • GB569970A - Improvements connected with boat lowering gear : en
  • US2378263A - Fabric cutting, edge trimming, and rewinding machine : en
  • USD141566S - Design fob a sheet metal repair hammer : en
  • CA428070A - Hinge pin : en fr
  • CA428175A - Mortise joint fastener : en fr
  • US2377965A - Positioning fixture : en
  • US2378276A - Stabilization of coloring compositions, containing diazonium salts : en
  • CH238070A - Sports bag. : en fr
  • CH237930A - Fence wire insulator. : de en
  • US2378000A - Trim panel : en
  • US2378371A - Transcribing apparatus : en
  • DK63593C - Powder can or similar container. : da en
  • ES8451Y - Arrangement to examine the porosity of masses of fine pores. : en es
  • ES165518A1 - PROCEDURE AND APPARATUS FOR PRINTING THROUGH INJECTIONS, ESPECIALLY OF SYNTHETIC RESINS AND IN PARTICULAR OF THERMOPLASTIC MATERIALS : en es
  • FR899998A - Manufacturing process of direct recording phonograms and new industrial product obtained by application of this process : en fr
  • ES8514Y - Wooden tray for transporting apricots and other fresh fruits. : en es
  • FI20621A - Sätt att förebygga hartsavskiljningar vid pappersframställning : en fi
  • ES8681Y - Rocking chair. : en es
  • FR899922A - Clasp : en fr
  • ES169973A1 - A NEW DEVICE FOR THE IRONING OF HATS : en es
  • US2378342A - Catalytic conversion process and apparatus : en
  • US2377894A - Automatic control for locked oscillators : en
  • ES169853A1 - PROVISION FOR THE REGULATION OF TENSIONS : en es
  • CA428183A - Stainless steel manufacture : en fr
  • CH238021A - Reversing gear, especially for gas turbine systems. : de en
  • CH238042A - Spring-loaded clamping screw for electrical power connections. : de en
  • CA428134A - Irreversible transmission : en fr
  • CH238010A - Process for the continuous production of long timber. : de en
  • CA428054A - Turnip loader : en fr
  • US2378076A - Piston : en
  • US2378250A - Counting and printing mechanism : en
  • CA428155A - Steam locomotive control device : en fr
  • FR899939A - Improvements made to shoes with rigid soles, particularly in wood : en fr
  • US2378223A - Explosive cartridge : en
  • ES8571Y - Perfected holder for portable work or workshop lamps. : en es
  • GB569850A - Improvements in electric current converting systems : en
  • USD141551S - Design fob a chair : en
  • US2378141A - Method for recovering quebrachitol from rubber latex serum : en
  • US2378151A - Sheet mount : en
  • ES169891A1 - A MECHANISM FOR THE OPERATION OF ROTARY SWITCHES : en es
  • ES8695Y - Permanent envelope for letters. : en es
  • US2377902A - Direction finder : en
  • CH237985A - Optical device for checking the coincidence of parallel geometric axes of two mechanical parts. : en fr
  • US2378275A - Building construction : en
  • CH237952A - Book holder. : de en
  • US2378092A - Method of copper sweetening : en
  • US2378106A - Machinery base : en
  • US2378197A - Preparation of divinyl benzene products : en
  • US2377873A - Apparatus for cooking food : en
  • FR899982A - Process for removing organic sulfur compounds from gases : en fr
  • US2377938A - Locomotive sand trap : en
  • CH237949A - Peeler with movable blade. : en fr
  • CH238062A - Method and device for obscuring spoken messages. : de en
  • CA428120A - Stainless steel production : en fr
  • AU1018143A - Improvements in or relating to thermionic valve amplifiers : en
  • USD141532S - Decorative wall material unit or the like : en
  • US2378341A - Diesel fuel : en
  • US2377882A - Bearing : en
  • USD141563S - Spectacle frame or similar article : en
  • USD141595S - Dispensing closure for paste containers : en
  • ES8727Y - Special suitcase for travel. : en es
  • GB569885A - Improvements in or relating to endless track vehicles : en
  • US2378188A - Chuck : en
  • US2378357A - Method of concentrating minerals : en
  • FR899880A - High precision lathe : en fr
  • US2378089A - Production of high viscosity polystyrene : en
  • US2378194A - Interpolymerization products of vinyl chloride and di-esters of itaconic acid : en
  • US2378228A - Car truck : en
  • US2378291A - Laminar structure : en
  • FR899835A - Electrical control device for machine tools, in particular grinding machines : en fr
  • US2377886A - Fluid operated power transmitter : en
  • US2377964A - Treating apparatus : en
  • ES8699Y - Compressor for injecting air through liquid masses to be fluffed or whipped : en es
  • US2377871A - Lamp hanger stem and guide : en
  • US2377904A - Structural toy assembly aid : en
  • USD141572S - Design fob a sewing kit : en
  • US2377885A - Process of manufacture of synthetic wool from soybean protein : en
  • ES8665Y - Concave lined buttons. : en es
  • US2377919A - Textile spool : en
  • US2378183A - Resilient synthetic yarn : en
  • US2378130A - Cushion tire : en
  • USD141531S - Combined eraser and brush with holder therefor : en
  • FR899787A - Process for breaking down fatty acid soaps into fatty acids and salts : en fr
  • GB569917A - Improvements in or relating to flooring : en
  • CA428060A - Dinnerware decorating machine : en fr
  • CH238073A - Moisture-absorbing structure and method of manufacturing the same. : de en
  • CA428141A - Tubular casing : en fr
  • USD141569S - Design for a milk bottle : en
  • USD141591S - Design fob a toy stable : en
  • CH237954A - Process for producing ripple effects. : de en
  • ES168911A1 - A DEVICE FOR DRIVING THE CUTTING DEVICES OF CINEMATOGRAPHIC APPLIANCES : en es
  • US2377947A - Valve for fire protective systems : en
  • US2377868A - Synthetic compositions : en
  • US2378287A - Pencil pointing device : en
  • ES169903A1 - A PROCEDURE TO OBTAIN AMYLACEAN SUBSTANCES AND ESPECIALLY STARCH, FROM GRAMINE PLANTS : en es
  • US2378073A - Toasting apparatus : en
  • US2378173A - Latch mechanism : en
  • US2378325A - Coded track circuit signaling system : en
  • US2378027A - Strip shingle : en
  • CH238032A - Power plant. : de en
  • US2377982A - Grinding machine and method of grinding : en
  • CA428169A - Sponge rubber : en fr
  • FR899851A - Electric distribution station with double row of devices, especially indoor type : en fr
  • ES8696Y - Case for the conditioning of cloths for cleaning. : en es
  • FR899913A - Process for obtaining a spinning solution from plant and animal albumin : en fr
  • FR899971A - Device for loading logs : en fr
  • US2377857A - Method of manufacturing bands : en
  • US2377875A - Compound clarifier : en
  • US2377878A - Dioxolane-acid halide reaction and product : en
  • US2378032A - Apparatus for feeding articles from a container : en
  • FR899793A - Hammer crusher : en fr
  • ES11558U - New rear part for coupling wheels on bicycles (Machine-translation by Google Translate, not legally binding) : en es
  • CH237999A - Bumper device for watchmaking bearings. : en fr
  • ES8658Y - Thermo food holder. : en es
  • CH238067A - High frequency tube amplifier. : de en
  • FR899751A - Process for chrome tanning animal hides : en fr
  • ES8754Y - Saddlebag without leather, quickly adaptable to quadrupeds of any size. : en es
  • FR899927A - Braking device, in particular for motor sleds : en fr
  • CA428077A - Screwless valve plug : en fr
  • CH238088A - Device for regulating a physical quantity as a function of one or more other physical quantities by means of an electrical differential compensation device. : de en
  • FR899821A - Two-panel sliding door with one-sided retraction : en fr
  • US2378062A - Press : en
  • US2378252A - Projection screen : en
  • ES169908A1 - A PROCEDURE FOR THE MANUFACTURE OF A SUBSTITUTE WOOL PRODUCT : en es
  • ES169881A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF METAL SOMMIERS : en es
  • AU117750B2 - Process forthe purification of magnesium chloride : en
  • CA428129A - Lamp and control circuit : en fr
  • CH237959A - Method for cleaning the porous wall of a filter of a vacuum cleaner and vacuum cleaner for the implementation of this method. : en fr
  • FR899929A - Safety valve : en fr
  • GB569857A - Improvements in or relating to the treatment of the surface of glass to reduce the proportion of incident light reflected thereby : en
  • US2377973A - Horn bushing puller : en
  • US2377980A - Reinforcing bar : en
  • US2378002A - Electrolytic apparatus : en
  • USD141578S - Design fob a dress : en
  • US2378049A - Fluid propeller : en
  • US2377999A - Trim panel : en
  • ES169258A1 - PROCEDURE FOR THE MANUFACTURE OF A NEW SUPERRESISTENT, HYDRAULIC AND INSULATING AGLOMERANT, BASED ON CORK : en es
  • ES8576Y - Shielding for the protection of the security lock boxes. : en es
  • ES8747Y - Closure applicable to all kinds of bags and purses. : en es
  • CH237984A - Device for checking round openings. : de en
  • FR899838A - Manufacture of free-cutting steels : en fr
  • GB569856A - Automatically actuated candlesticks : en
  • GB569876A - Improvements in mountings for reciprocating engines and the like : en
  • FI20624A - Fertilization requirements and order for use of the torch material : en fi
  • USD141590S - Design for a shoe : en
  • ES11561U - Electric plug model with automatic ignition. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169878A1 - IMPROVEMENTS IN THE APPARATUS FOR THE MANUFACTURE OF MINERAL WOOLS : en es
  • ES4638Y - A new clothes hanger system for wardrobes and trunks-wardrobes : en es
  • US2378044A - Armor plate quenching : en
  • ES8485Y - Quick connector for bicycle pumps. : en es
  • ES8670Y - Sunshade hat. : en es
  • FR899874A - Process for preparing polyacetylenic compounds : en fr
  • FR899896A - Check book, in which the back of the cover sheet covering the check forms has a table used to record the particulars of the checks : en fr
  • FR900000A - Volumetric dispenser : en fr
  • ES11543U - Case for containment exhibition of objects. (Machine-translation by Google Translate, not legally binding) : en es
  • FR899909A - Cathode luminescence tube for regulating electrical voltages : en fr
  • US2378300A - Method of heat treating alloy steel : en
  • FI20641A - Device in threshing machines : en fi
  • FR899808A - Strategy game : en fr
  • ES169842A1 - IMPROVEMENTS IN HAND TILES : en es
  • ES8587Y - Electric battery for hot water installations. : en es
  • ES8672Y - Tap. : en es
  • GB569830A - Improvements in or relating to means for suspending t-section strips, laths, and thelike from purlins and other structural members : en
  • ES8806Y - Notebook with cutouts inside. : en es
  • GB569929A - Improvements in and relating to vent structure for ovens and the like : en
  • ES169880A1 - A QUICK MACHINE FOR THE MANUFACTURE OF NAILS OR TIPS : en es
  • FR899771A - Process for the preparation of fermentation acids : en fr
  • FR899945A - Heterodyne receiver for frequency modulated oscillations at different rates : en fr
  • AU2136245A - Bonding agent : en
  • ES8568Y - Clamping clamp for thermionic lamp holders. : en es
  • ES8619Y - Air pump, with auxiliary chamber, for the inflation of tires of all kinds of vehicles. : en es
  • GB569918A - Improvement in ammonium salt production : en
  • ES8538Y - Goniometric square level. : en es
  • US2378203A - Ethyl trichloroacetate antifoggant : en
  • ES8741Y - Mixed braziers. : en es
  • ES8807Y - Counter-mold to cover buttons. : en es
  • CA428087A - Fuel injection apparatus : en fr
  • FR899778A - Variable capacitor, in particular trimmer : en fr
  • FR899948A - Mechanical razor : en fr
  • GB569843A - Improvements in or relating to rivets and like devices : en
  • ES169870A1 - PROCEDURE FOR HOT MANUFACTURE OF METAL TUBES WITHOUT WELDING, BY LAMINATION ON LONG MANDREL BETWEEN ACTUATED ROLLERS : en es
  • GB569819A - Improvements in or relating to methods of carbonising the metal electrodes of electron discharge devices : en
  • ES8615Y - Button with separate ring, attached to the armor without the need for tin. : en es
  • ES11544U - Holder of thread spools. (Machine-translation by Google Translate, not legally binding) : en es
  • FR899942A - Device for rolling up (or wrapping) coins, pellets and the like : en fr
  • FR899842A - Axial clamping knob by wedging for t stations. s. f. and all devices or machines comprising axis controls by buttons, cranks, levers, etc. : en fr
  • US2378094A - Metal boring or cutting tool : en
  • ES8518Y - Thin sheet metal tube for pasta. : en es
  • FR899786A - Process for preparing nitrochlorinated hydrocarbons : en fr
  • ES169890A1 - A PROCEDURE FOR THE PREPARATION OF A MEANS TO EXTERMINATE INSECTS AND HARMFUL PARASITES : en es
  • US2377931A - Cutter and device for forming curved slots under lips of continental type heels : en
  • US2378153A - Prewelt lasting machine : en
  • US2378258A - Fastening device : en
  • GB569940A - Methods of and apparatus for testing and calibrating meters having a continuously rotating element such as electric energy meters : en
  • CH237938A - Electric heater. : de en
  • USD141527S - Design fob a doll s sulky : en
  • US2378303A - Spike puller : en
  • US2378344A - Vaporizing manifold for internal combustion engines : en
  • CH238036A - Tube cooler. : de en
  • FR899888A - Knit hand towel : en fr
  • ES8541Y - Homemade electric stove, perfected and armored. : en es
  • ES8634Y - Gramphonic needle sharpening apparatus. : en es
  • ES8802Y - Razor-shaped holder for razor blades. : en es
  • FR899980A - Manufacturing process of sintered metal castings : en fr
  • US2377862A - X-ray analysis apparatus : en
  • GB569826A - Improvements in or relating to degreasing plant : en
  • US2378005A - Process for treating fats and fatty oils : en
  • ES8603Y - Double portable mirror, easy to disassemble and with the possibility of serving as a support or frame for badges or portraits, which can be exchanged or varied. : en es
  • ES169856A3 - PROCEDURE FOR OBTAINING ACID -A- AND -B- NAPHTHYL ACETIC ACID AND ITS DERIVATIVES : en es
  • ES169860A1 - ADJUSTABLE MULTIPLE LUBE : en es
  • US2378367A - Apparatus for inflating and deflating an expansible plug by means of a liquid content : en
  • US2378191A - Ammunition feed : en
  • US2377952A - Purification of alkyl methacrylate monomers : en
  • ES169720A1 - NEW DOOR CLOSURE, HYDRAULIC AND SELF-REVERSIBLE : en es
  • GB569967A - Improvements in or relating to cut-off machines : en
  • US2378355A - Glass receptacle : en
  • GB569902A - Improvements in shopping and like bags : en
  • ES8614Y - Destroying apparatus for flies, cinifes, ants, cockroaches, etc. : en es
  • GB569824A - Improvements in trench cutters : en
  • ES169775A1 - AN ELECTRICAL SOCKET LAMP AND MOBILE VOLTAGE CONTACT : en es
  • US2378084A - Nutcracker : en
  • FR899805A - Lick system for fairly wide tuning scales : en fr
  • FR899867A - Method and device for the manufacture without shuttering of bodies, having the form of caissons, with reinforced and pre-tensioned walls of prestressed concrete, in particular of steel wire concrete : en fr
  • FR899844A - Process for preparing reactive compositions for the detection of carbon monoxide : en fr
  • USD141582S - Design for a shoe : en
  • GB569853A - Choking coil with a double-bend characteristic : en
  • AU120024B2 - Selenium element and treatment : en
  • CA428167A - Moccasin sewing machine : en fr
  • USD141592S - Tractor seat cushion or similar article : en
  • ES169964A1 - A SYSTEM FOR THE WELDING OF THERMOPLASTIC MATERIALS : en es
  • ES8544Y - Reel for winding ropes, : en es
  • ES8853Y - Crucifix that can be transformed into a portable altar. : en es
  • FR899946A - Advanced band saw for sawing wood and metals : en fr
  • ES169970A1 - A VANO ELECTRONIC TUBE PROVIDED WITH AMPOLLA HERMÉTICA AND A PERMANENT OPERATING ELEMENT (GETTER) : en es
  • GB569868A - Improvements in and relating to safety razors : en
  • US2377869A - Apparatus and method for measuring work : en
  • USD141526S - Design fob a drafting board : en
  • US2378158A - Hydraulic governor control : en
  • ES169900A1 - A PROCEDURE FOR THE MANUFACTURE OF JULIAN SOUPS : en es
  • ES8648Y - Ashtray for smokers. : en es
  • FR899865A - Electrical distribution substation for high operating voltages : en fr
  • FR899967A - Tubular trimmer comprising a fixed capacitor plate and a movable plate : en fr
  • FR899969A - New condensate products : en fr
  • ES11573U - A device for the supply of wrapping paper or for other applications (Machine-translation by Google Translate, not legally binding) : en es
  • ES8710Y - Cockroach. : en es
  • FR899868A - Method for increasing the solubility of Thomas slag in citric acid and ammonium citrate : en fr
  • AU1137343A - Selenium element and treatment : en
  • FI20638A - Automatic control for gramophone : en fi
  • US2378316A - Machine for producing knitted fabric : en
  • US2378160A - Dielectric : en
  • ES8667Y - File tab. : en es
  • GB569907A - Improved method of applying coloured patterns to fabrics : en
  • ES8505Y - Small collapsible packaging for food to be frozen and the like. : en es
  • ES8616Y - Container for sterile preservation of surgical suture thread. : en es
  • FR899955A - Process to improve collagen matter : en fr
  • ES11568U - A new lipstick (Machine-translation by Google Translate, not legally binding) : en es
  • ES8796Y - Bakelite electrical switch, the so-called mercury type. : en es
  • FR899824A - Domestic and economical running water heater using the calories passing through the chimneys : en fr
  • GB569884A - Improvements in and relating to lathe and like tool posts : en
  • FR899859A - Improvements made to the manufacture of two-color ink ribbons for typewriters, calculators, addresses and the product resulting from these improvements : en fr
  • CA428083A - Shirt press device : en fr
  • USD141533S - Decorative wall material unit or the like : en
  • CA428152A - Frequency modulation system : en fr
  • ES9270Y - Auxiliary furniture for bedroom. : en es
  • GB569864A - Improvements in and relating to labyrinth packings : en
  • ES8450Y - Trailer car for children, especially adaptable to bicycles. : en es
  • ES8674Y - Box or case with special characteristics. : en es
  • FR899841A - Sheet or card for alphabetical classification with at least two series of stubs to be cut and alphabetical map library made up of these sheets : en fr
  • FR899822A - Covered or enamel for ceramic objects : en fr
  • CA428143A - Pressure control valve : en fr
  • ES169838A3 - PROCEDURE FOR OBTAINING HYDROGENATION AND DEHYDROGENATION CATALYSTS INTENDED FOR THE CHEMICAL INDUSTRY : en es
  • FR899899A - Process for the manufacture of a specific remedy for eczema of the skin : en fr
  • FR899904A - Process for the preparation of enamel coatings by the wet enamel method : en fr
  • ES8935Y - Recessed electric switch-switch. : en es
  • FR899961A - Game : en fr
  • FR899964A - Device producing an electron beam and acting on the characteristics of this beam : en fr
  • ES169544A1 - PROCEDURE FOR THE CONSTRUCTION OF MOLDED DUCTS WITH METALLIC SEALING SHIELD : en es
  • US2378279A - Orthodontic band clamp : en
  • GB569920A - Improvements relating to transparent materials : en
  • ES169876A1 - A PROCEDURE TO PREPARE MEIAMINE : en es
  • US2378370A - Fish lure : en
  • US2377849A - Process for bending glass : en
  • USD141556S - Onofrio material loading machine : en
  • US2378198A - Reaction products of aldehydes and triazine derivatives : en
  • FI20636A - Anordning vid automatic skivväxlare för grammofoner : en fi
  • ES8660Y - File with tab selector device. : en es
  • CA428118A - Metallic coating alloy : en fr
  • CH237990A - Device indicating the instantaneous pressure, speed and direction of flow of a fluid in a conduit through which a periodically variable current of this fluid flows. : en fr
  • GB569874A - Improvements in or relating to supersonic inspection devices : en
  • GB569936A - Improvements in carbon interleaving sets : en
  • USD141565S - Design fob a knife holder : en
  • CA428063A - Haysweep and stacker : en fr
  • FR899931A - Assembly intended to transform oscillations modulated in frequency into oscillations modulated in amplitude : en fr
  • FR899965A - Method and device for manufacturing molded parts : en fr
  • GB569894A - Improvements relating to artificial teeth and dentures : en
  • US2377939A - Safety snap catch : en
  • FR899836A - Process for the production of pyrimidine compounds : en fr
  • US2377909A - Lubricating oil compositions : en
  • FR899925A - Cable brake for towed vehicles : en fr
  • CH237963A - Process for separating a liquid body from a homogeneous liquid mixture. : en fr
  • CH238026A - Method for cooling the blades of a turbine. : de en
  • CH238086A - Hot metal spinning process. : en fr
  • DK63596C - Automatic Adjustment Device for Gramophones. : da en
  • ES11521U - Safety device to prevent theft of bicycles. (Machine-translation by Google Translate, not legally binding) : en es
  • FR899923A - Cooling unit for refrigeration devices operating by absorption : en fr
  • US2378090A - Can opener : en
  • CA428082A - Shirt finishing apparatus : en fr
  • CH238023A - Turbomachine blades and processes for their manufacture : de en
  • US2378080A - Thermal switch : en
  • US2377851A - Apparatus for controlling fluid volume in fluid couplings : en
  • DK63601C - Cutter with adjustable inserts. : da en
  • USD141573S - Design fob a fan propeller : en
  • CA428069A - Hinge pin : en fr
  • CH237962A - Kettle for concentrating liquids, especially high-boiling acids. : de en
  • US2378270A - Switch operating mechanism : en
  • CA428159A - Counting mechanism : en fr
  • US2378322A - Method of making porous insulating articles : en
  • CA428075A - Parlor game : en fr
  • CH237927A - Irrigation facility. : en fr
  • US2378161A - Container : en
  • US2378329A - Swivel joint : en
  • US2378368A - Production of hydrides of alkaline earth metals : en
  • US2377949A - Wallpaper removing device : en
  • CA428062A - Frost proof window sash : en fr
  • CH237973A - Electric drive for winding devices for fabric webs, in particular paper webs. : de en
  • US2377847A - Process for converting hydrocarbons : en
  • CA428048A - Flax cleaning and separating machine : en fr
  • FR899760A - Coat hanger : en fr
  • CH237965A - Process for the preparation of 7-hydroxy-cholesteryl monobenzoate (3). : en fr
  • US2378051A - Advertising device : en
  • US2378359A - Preparation of fatty acids : en
  • AU709942A - Method and material suitable for use inthe production of molten metal products : en
  • AU129098B2 - Automatic change-speed gear for bicycles andthe like : en
  • CA428132A - Halogen manufacture : en fr
  • CH238072A - Wave chair with tie for brushwood waves and the like. : de en
  • FR899871A - Bimetal contacts : en fr
  • CA428110A - Quartz lamp : en fr
  • US2378218A - Elevator safety control : en
  • US2378096A - Sewing machine attachment : en
  • AU128952B2 - Automatic switches ofthe type used in telephone systems : en
  • US2377944A - Method of concrete floor construction : en
  • USD141583S - Design fob a dress : en
  • FR899830A - Mounting device for reception by recording or indicating devices : en fr
  • FR899983A - Agent for degreasing tripe skins : en fr
  • ES8497Y - Female for automatic push buttons. : en es
  • US2378148A - Process of treating titanium oxide pigments : en
  • CH238029A - Method for regulating a gas turbine that is driven by the exhaust gases of an internal combustion engine. : de en
  • US2378066A - Grinding machine control : en
  • CA428180A - Aliphatic acid concentration : en fr
  • CA428112A - Full wave rectifier : en fr
  • CA428127A - Pressure sensitive adhesive : en fr
  • US2378083A - Vacuum exhaust muffler : en
  • US2377850A - Remote control system : en
  • US2377991A - Automatic abrading machine : en
  • US2378041A - Process of forming can-end blanks : en
  • CA428145A - Cam lapping machine : en fr
  • BE457922A - : en fr
  • GB569963A - Improvements relating to fly-wheels : en
  • US2377957A - Wire stretcher : en
  • US2378046A - Landing gear protecting boot : en
  • US2378071A - Thread lock : en
  • US2378058A - Apparatus to change the length of corrugated wires : en
  • FI20646A - For weight and other network drives are supplied with electric drives : en fi
  • FR899858A - Process for increasing the strength of soaps : en fr
  • US2378345A - Indicator and detector for fire extinguishers : en
  • USD141541S - Decorative wall material or the likfi : en
  • US2377872A - Multiple contact lamp hanger : en
  • US2377918A - Scarifying tool : en
  • USD141585S - Design fob a shoe heel : en
  • USD141555S - Design foe a nursery bottle holder : en
  • US2377892A - Bag molding apparatus : en
  • US2378266A - Color couplers having six-membered rings : en
  • US2378091A - Method for separating glass sheets and the like : en
  • US2378220A - Fire pot : en
  • ES8870Y - Radiator, perfected. : en es
  • FR899870A - Construction process using universal elements, reinforced concrete, prepared in advance : en fr
  • AU738242A - Process forthe purification of magnesium chloride : en
  • ES11531U - Clamp for rubber tube. (Machine-translation by Google Translate, not legally binding) : en es
  • FR899817A - Electrical resistance wound : en fr
  • ES8911Y - Luminous annunciator device. : en es
  • IE17356L - Styrene interpolymers; coating compositions : en
  • CA428065A - Magnetic separator : en fr
  • US2378026A - Bottle carrier : en
  • CH237936A - Radiator element consisting of two panels lying next to one another. : de en
  • GB569906A - Improvements in washing machines : en
  • ES11557U - New method of cutting and making garments (Machine-translation by Google Translate, not legally binding) : en es
  • ES11534U - Own closing for prayer books, frequently used books, wallets and folders in general. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569971A - Improvements in or relating to automatic electric circuit breakers : en
  • FR899791A - Building block : en fr
  • US2377995A - Vitrified grinding wheels : en
  • US2378283A - Pigment dyestuffs and process for the improvement of the tinctorial properties of pigments : en
  • US2378184A - Apparatus for applying coating material : en
  • CH238082A - Handle of the towing device of a ski lift. : de en
  • ES169934A1 - A MANUFACTURING PROCEDURE OF ALPARAGAS AND SIMILAR : en es
  • ES8664Y - Central fixation lined buttons. : en es
  • FI20648A - Centrifugal pendulum for kraftmaskeri och dylikt : en fi
  • ES169904A1 - A PROCEDURE FOR THE OBTAINING OF PREPARATIONS OF COLORING MATTERS : en es
  • ES8608Y - Bottle externally lined by a paper or cardboard sleeve. : en es
  • US2378042A - Multiple centrifugal casting : en
  • GB569834A - An improved rule, set-square, straight-edge or the like : en
  • US2378244A - Method of edge gluing wood veneers : en
  • US2378324A - Packaging machine : en
  • USD141579S - Design for a dress : en
  • USD141528S - Design fob a child s jumper : en
  • FR899912A - Perfume manufacturing process : en fr
  • ES8509Y - Can or can of preserves. : en es
  • ES8646Y - Elastic buckle mount. : en es
  • ES169967A1 - VARIABLE CONDENSERS : en es
  • US2378147A - Process for the preparation of a mixture containing sodium bicarbonate : en
  • ES169862A1 - AN OIL PROPULSION MECHANISM FOR TEXTILE FIBER MACHINES : en es
  • FI20643A - Spenkopp for mjölkningsmaskiner : en fi
  • ES8789Y - Electric foot warmer and other uses. : en es
  • FR899920A - Gas or liquid filter : en fr
  • US2377950A - Manufacture of spiral wound members : en
  • ES11524U - Distinguish a folder with tubular closure. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8570Y - Pencil with body or rolled paper. : en es
  • FR899772A - Thermal process for extracting fluids from solids and apparatus for carrying out this process : en fr
  • CA428177A - Contour separable fastener : en fr
  • ES11577U - Tin can, with lining and snap lid. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8788Y - Tap or tap for barrels or vats. : en es
  • ES169955A1 - IMPROVEMENTS INTRODUCED IN THE CART OF THE MACHINES INTENDED TO MANUFACTURE TABLET IN COMPRESSES : en es
  • US2378306A - Sheet feeding mechanism : en
  • USD141536S - Decorative wall material unit or the like : en
  • US2378102A - Composition of matter : en
  • US2378373A - Signal receiving and reproducing system : en
  • FR899811A - Method to amaze light metal alloys : en fr
  • FR899794A - Air and gas mixer for gas extraction systems : en fr
  • GB569838A - Improvements in or relating to foundry moulding machines : en
  • ES164158A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 160078 : en es
  • FR899853A - Electric current protection device : en fr
  • FR899999A - Process for manufacturing fuel agglomerates for all applications, means of implementation and new industrial product obtained : en fr
  • US2377898A - Converting device : en
  • US2378237A - Method and apparatus for ultrasonic testing : en
  • CA428058A - Electric switch contact : en fr
  • US2378033A - Mechanical motion : en
  • US2378052A - Etching process : en
  • US2378239A - Filter bottom : en
  • US2378236A - Production of ethylene : en
  • US2378181A - Auxiliary hot air heater : en
  • GB569904A - Improvements connected with contact fingers for electric controllers : en
  • ES169894A1 - IMPROVEMENTS INTRODUCED IN ALLOY MANUFACTURE : en es
  • ES8815Y - Protective glasses from the sun. : en es
  • FR899818A - Assembly intended to transmit electrical oscillations : en fr
  • ES8766Y - Wooden mold to cover buttons. : en es
  • FR899877A - Capacitor : en fr
  • GB569823A - Improvements in the metallic coating of metal articles : en
  • ES8861Y - Punch pistol to kill cattle : en es
  • FI20645A - Control valve for cars with gas generator : en fi
  • AU130800B2 - Agents for combating pests : en
  • CH238015A - Method of manufacturing a bracelet. : en fr
  • FR899773A - Device equipped with a discharge tube filled with gas or vapor : en fr
  • ES8632Y - Metal clamp applicable to film development and to the transport and packaging of laminar bodies. : en es
  • FR899827A - Cooling device for internal combustion or combustion engines or on vehicles : en fr
  • FR899976A - Propulsion system for bicycles, tri-carriers, cycle-cars, etc. : en fr
  • GB569871A - Improvements in rudder couplings of ships : en
  • ES8440Y - Stirrup or toe kick for bicycle pedals. : en es
  • GB569890A - Improvements in or relating to trousers or similar garments : en
  • GB569933A - Improvements relating to desk lockers : en
  • CA428081A - Bacteria removing apparatus : en fr
  • US2377998A - Trim panel : en
  • FR899958A - Process for improving the workability and stability of polyvinyl chloride : en fr
  • USD141549S - Design for a meat packing table unit : en
  • US2378145A - Cord adjusting apparatus for venetian blinds : en
  • US2378269A - Method of vulcanizing rubber : en
  • CH238039A - Collector for electrical machines and process for their manufacture. : de en
  • USD141544S - Decorative wall material unit or the like : en
  • CH238047A - Circuit for the regulation of two electrically opposing DC reel motors. : de en
  • USD141554S - Rotary actuator for movable parts of an aircraft or the like : en
  • US2378040A - Process for the alkylation of hydrocarbons : en
  • CA428144A - Grinding machine : en fr
  • CH238068A - Frequency modulated UHF transmitter. : en fr
  • USD141581S - Design fob a centrifugal pump : en
  • AU2116845A - Automatic switches ofthe type used in telephone systems : en
  • CH237994A - Talking machine with automatic disc feed. : en fr
  • CH238071A - Device for carrying a pair of skis. : en fr
  • CH238056A - Process for the manufacture of an agent for diagnosing cancer. : de en
  • ES168405A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION AND DESIGN OF TEMPLATES OR GALIBOS : en es
  • USD141559S - Toy turreted building : en
  • ES166530A1 - PROCEDURE FOR OBTAINING HARDENED BEANS THAT HAVE HIGH ABSORPTION POWER : en es
  • FI20625A - Celluloid photo clip holder : en fi
  • FR899988A - Refinement to Receptors Using Super Reaction : en fr
  • US2378292A - Catalytic conversion of hydrocarbon oils : en
  • CH237964A - Device for continuous dialysis of liquids. : de en
  • ES8716Y - Package specially designed to contain footwear. : en es
  • ES11541U - Coated plates for olive presses. (Machine-translation by Google Translate, not legally binding) : en es
  • US2377866A - Aminoplasts having intercondensed therein a partial amide of a polycarboxylic acid : en
  • ES11518U - Container box without points, screws, wires or glues but constituted by simple assembly (Machine-translation by Google Translate, not legally binding) : en es
  • CH237951A - Seat with drawer. : en fr
  • GB569908A - Improvements in or relating to torpedoes : en
  • ES11529U - New floating suspension for all kinds of small carriages, especially crib cars and children's chairs (Machine-translation by Google Translate, not legally binding) : en es
  • US2377887A - Lasting machine : en
  • US2378055A - Manufacture of carbon black : en
  • ES169944A1 - IMPROVEMENTS INTRODUCED IN THE MACHINES FOR THE MANUFACTURE OF TILES AND SIMILARS BY CENTRIFUGATION OF A MASSAGE PASTOSA AND FRAGUABLE : en es
  • ES8776Y - Interchangeable cap for heels. : en es
  • FR899907A - Bar for drying textile products : en fr
  • GB569878A - Improvements in or relating to the production of films, filaments and like shaped products of cellulose ethers : en
  • GB569939A - Improvements in and relating to compressors : en
  • FI20644A - Fiskfångstredskap : en fi
  • GB569818A - Process for reducing the water imbibition of cellulose hydrate products : en
  • CA428151A - Multiple channel signal transmission system : en fr
  • ES8654Y - Clip perfected to hold papers, and particularly suitable for mounting inside the spine of filing cabinets or "dossiers". : en es
  • CH238031A - Pistons for piston machines, in particular two-stroke engines. : de en
  • ES169873A1 - A PROCEDURE FOR VARNISHING TISSUES : en es
  • FR899972A - Tennis racket training : en fr
  • GB569903A - Improvements in toasting apparatus : en
  • ES11513U - Container in the form of a tetrahedron for packaging purposes. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11552U - Letter about (Machine-translation by Google Translate, not legally binding) : en es
  • USD141596S - Design fob a book stand ob similar article : en
  • ES8631Y - Reinforced combs or similar. : en es
  • FR899949A - Process for obtaining by molding flexible and elastic hollow objects made of artificial plastics and objects thus obtained : en fr
  • ES8520Y - Belt tensioner. : en es
  • FR899887A - Method for the destruction of parasitic insects and apparatus for its implementation : en fr
  • FR899855A - Raw hides and pelts pickling process : en fr
  • FR899848A - Process for preparing condensation products : en fr
  • ES8663Y - Buttons lined with ring or crown. : en es
  • GB569833A - Improvements relating to the manufacture of valves for the control of fluids : en
  • ES8453Y - Double stitching machine for sewing shoes. : en es
  • US2378248A - Photographic art : en
  • FR899994A - Electric contactor with sudden on and off : en fr
  • US2378217A - Film processing apparatus : en
  • US2377927A - Roofing compound and process for making same : en
  • US2378008A - Tractor crane : en
  • FR899776A - Receiver of t. s. f. with built-in speaker : en fr
  • GB569865A - A jig for supporting crankshafts during the machining or grinding of the crankpins : en
  • GB569958A - Safety apparatus for the fuel gas systems of coke oven installations : en
  • ES8565Y - Perfumery case. : en es
  • ES8748Y - Type of binding for albums, books and the like. : en es
  • FR899803A - Process for the manufacture of osmotic membranes for the dialytic purification of alkaline liquors : en fr
  • GB569813A - Method of and apparatus for shaping thermoplastic sheets : en
  • FI20630A - A tent formed of boards : en fi
  • FR899790A - Screening channel, working horizontally or inclined, especially for grading wet coal : en fr
  • FR899906A - Process for preparing aliphatic dicarboxylic acids : en fr
  • GB569956A - Improvements in light current electrical switches, such as may be used on radio receivers : en
  • USD141540S - Decorative wall material unit or the like : en
  • ES11576U - New bottle or container with special closure (Machine-translation by Google Translate, not legally binding) : en es
  • GB569832A - Fluid pressure operated vice : en
  • FI20647A - Anordning vid automatic skalmaskiner for spannmål : en fi
  • US2377913A - Pumping apparatus : en
  • CH237928A - Machine to work the soil. : en fr
  • US2377890A - Selective telegraph system : en
  • US2378100A - Braking apparatus : en
  • US2378232A - Purification of alkyl phenols : en
  • US2378072A - Tip holder and feeder for sewing machines : en
  • US2378190A - Animated toy : en
  • CA428179A - Aliphatic acid concentration : en fr
  • ES8606Y - Electric stove with water container. : en es
  • US2378362A - Stable amino plastic sirups and processes of producing same : en
  • USD141539S - Decorative wall material unit or the like : en
  • USD141577S - Design for an electrical polishing device : en
  • US2377923A - Road engaging means for automobiles or the like : en
  • CA428111A - Vacuum discharge device : en fr
  • USD141586S - Design fob a mailing envelope : en
  • US2378113A - Paper manufacture : en
  • US2378075A - Safety traffic signal belt : en
  • ES168980A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CUTTER BANKS : en es
  • CA428170A - D'arsonval electrical measuring instrument : en fr
  • US2377883A - Spring suspension for railroad car bodies : en
  • US2378157A - Bubble cap : en
  • US2378278A - Continuous tube rolling mill : en
  • CA428174A - Projectile trapping method and apparatus : en fr
  • CH238057A - Collapsible elevator device for the sick. : de en
  • LU27697A1 - : en
  • US2378112A - Adjustable labeling device : en
  • USD141550S - Design fob a chaib : en
  • USD141552S - Design fob a hammer head : en
  • CA428158A - Wire supply mechanism : en fr
  • ES8533Y - Articulated soles for footwear. : en es
  • US2378330A - Actuating mechanism : en
  • ES167889A1 - IMPROVEMENTS IN THE HOMOGENIZING DEVICES OF MILK AND IN GENERAL OF LIQUIDS CONTAINING FATS IN SUSPENSION : en es
  • DK63600C - Device at turret benches. : da en
  • ES8481Y - Coupling device for filters and other applications. : en es
  • GB569957A - Cord fastenings for paper files : en
  • US2378031A - Multiple glazing unit and mounting therefor : en
  • US2378088A - Lady's garment : en
  • US2378230A - Resin dispersions and method of producing : en
  • GB569921A - Electro deposition of rubber-like substances on the windings of electrical devices : en
  • US2377962A - Cementing jig : en
  • US2378116A - Method and apparatus for control of vapor pressure : en
  • ES11562U - Safety coupling for the connection between the bed frame and the head and feet of the metal beds (Machine-translation by Google Translate, not legally binding) : en es
  • CH238012A - Tool for tapering the insertion end of wooden dowels by pressing. : de en
  • US2377859A - Actuating mechanism : en
  • CA428091A - Paper container : en fr
  • DK63608C - Handles for bicycle handlebars or similar maneuvering rods. : da en
  • FR899854A - Process for obtaining reproductions and objects provided with reproductions made by this process : en fr
  • US2377948A - Roasting rack : en
  • US2377963A - Collapsible boat : en
  • US2378331A - Gun mechanism : en
  • CH238024A - Bucket for turbo machinery. : de en
  • CA428079A - Wire stock working apparatus : en fr
  • US2377972A - Television transmitting system : en
  • US2378290A - Process of preparing oxide gels : en
  • FR899843A - Process for preparing chlorobutadiene directly from acetylene and chlorinated hydrogen : en fr
  • US2377910A - High dielectric constant ceramics : en
  • AU1159043A - Improved composite material for industrial uses and method of manufacture : en
  • US2378314A - Process for carrying out continuous fusion reactions : en
  • US2378165A - Fuel injection device : en
  • CA428133A - Sulphonic acid and n-substituted product manufacture : en fr
  • CH238065A - Telephone installation. : en fr
  • US2377870A - Organic phosphorus abietates and process of manufacture : en
  • US2378243A - Method and apparatus for grinding and polishing wedges : en
  • ES169960A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 161802 : en es
  • GB569898A - Improvements in spectacles : en
  • GB569913A - Improved means for reducing clearance or backlash between the moving parts of instruments such as indicator gauges : en
  • US2378212A - Machine construction : en
  • CH238009A - Lath gluing machine. : de en
  • US2377914A - Resin from petroleum : en
  • US2378233A - Magnetic core structure : en
  • GB569828A - Improvements in cutting-speed indicators for lathes and other machine-tools : en
  • ES8687Y - Toothbrush, detachable. : en es
  • FI20634A - Anordning vid automatic skivbytare för gramofoner : en fi
  • GB569867A - Improvements in variable pitch propellers : en
  • ES8805Y - Card case. : en es
  • FR899930A - Stop layer rectifier : en fr
  • FR899941A - Speed variator : en fr
  • GB569837A - Improvements relating to supercharged internal combustion engines : en
  • GB569930A - Improvements in or relating to the filtering and conditioning of air : en
  • ES8500Y - Universal switch plug for electrical applications. : en es
  • FI20637A - Anordning vid automatic skivväxlare för grammofoner : en fi
  • ES8912Y - Machine for washing clothes. : en es
  • US2378006A - Process for treating fats and fatty oils : en
  • US2378210A - Process for the synthesis of toluene and xylenes : en
  • AU1168843A - Straw walker for reaper-threshing machine : en
  • ES11572U - Pala matamoscas. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8598Y - Boxes equipped with a lever opening system. : en es
  • ES8730Y - Cylinder equipped with an automatic mechanism to eject and mold the pasta with which the churros and other confectionery articles are made that acquire the shape or section of the used matrix. : en es
  • GB569897A - Improvements in or relating to sheet metal drums and like containers : en
  • US2377935A - Catalytic hydrocarbon conversion system : en
  • USD141553S - Design for an extension ladder hook : en
  • ES8602Y - Ink bottle, internally equipped with a secondary or auxiliary tank. : en es
  • US2378127A - Grinding machine : en
  • US2378163A - Combined screen frame and weather stripping : en
  • US2378262A - Door or like operating device : en
  • ES8737Y - Shuttle model obtained from duralumin casting, for use by the textile industry. : en es
  • CA428099A - Reaction product : en fr
  • US2378338A - Coating for and method of scale formation control on slabs and the like : en
  • FR899850A - vacuum test tube for gas detection : en fr
  • US2378108A - Electromagnetic multiple-disk clutch : en
  • US2378111A - Power snow sled : en
  • CH237992A - Device for testing and calibrating three-phase electricity meters with a single-phase testing or calibration device, in particular equal load calibration meters. : de en
  • US2378110A - Biuret derivatives : en
  • ES8728Y - Apparatus for squeezing lemons, oranges and similar fruits. : en es
  • FR899947A - Safety device for internal combustion engines, in particular those of motor vehicles : en fr
  • ES169054A3 - A PROCEDURE FOR DEALING WITH CINEMATOGRAPHIC FILMS : en es
  • FR899933A - Burner head for regenerative furnaces : en fr
  • US2377958A - Convertible settee : en
  • FR899876A - Device for producing sawtooth oscillations : en fr
  • ES11522U - Syringe for hypodermic injections. (Machine-translation by Google Translate, not legally binding) : en es
  • FR899761A - Process for the production of artificial teeth, crowns, etc. in artificial resins : en fr
  • FR899985A - Process for the continuous treatment of sulfuric acid baths containing sodium sulfate for the spinning of viscose : en fr
  • FR899752A - Multiple carrier frequency system : en fr
  • US2378347A - Noiseless vacuum cleaner : en
  • CA428182A - Boundary post : en fr
  • US2377936A - Method of making pastry products : en
  • US2378182A - Flight test photographic recording equipment : en
  • US2378043A - Method of airframe assembly : en
  • CH238054A - Removable, highly evacuated tube. : de en
  • US2378114A - Filing cabinet : en
  • US2378249A - Trimmer : en
  • USD141589S - Design for a fan or similar article : en
  • DK63595C - Kogekar. : da en
  • FR899881A - Magneto with large spark advance offset : en fr
  • US2377893A - Radio tube socket adaptations : en
  • US2378004A - Dispensing container : en
  • US2378065A - Concrete grading machine : en
  • ES11535U - Tire for vehicles. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8668Y - Envelop. : en es
  • FR899839A - Miner's electric lamp : en fr
  • CA428107A - Discharge lamp : en fr
  • FR899897A - Method and apparatus for the manufacture of articles of metals, more especially of precious steels, by hot rolling and heat treatment : en fr
  • CA428119A - Steel production : en fr
  • FR899987A - Improvements to television circuits : en fr
  • US2378078A - Decalcomania seal : en
  • US2378231A - Collapsible crib : en
  • CA428092A - Bracket for box springs : en fr
  • ES169131A1 - ELECTRICAL SONG SUPPLEMENT FOR MUZZLE CLOCKS : en es
  • ES8791Y - Eye protection means. : en es
  • GB569953A - Improvement in cross rolling mills : en
  • ES8525Y - Enhanced revolving door system applicable to turntables. : en es
  • ES8934Y - Perpetual tea. : en es
  • CH237979A - Drawing device with adjustable angle. : de en
  • FR899968A - Anode for electrolyser and electrolyser : en fr
  • FR899902A - Process for preparing primary aliphatic, aromatic-aliphatic or cycloaliphatic amines : en fr
  • ES169855A1 - ELECTRICAL APPARATUS OF VISIBLE INDICATORS FOR PEDAGOGICAL PURPOSES : en es
  • CA428136A - Mechanical press : en fr
  • CA428172A - Straight bar knitting machine : en fr
  • CH237976A - Card index. : de en
  • CH237948A - Equipment for cleaning and drying wood and charcoal gas. : de en
  • ES8790Y - Improvements in razors. : en es
  • ES8800Y - Perfect case for glasses and glasses. : en es
  • US2378011A - Apparatus for applying elastic covers : en
  • US2378255A - Window structure : en
  • CA428098A - Reaction product : en fr
  • CA428130A - Electrical control apparatus : en fr
  • CH238004A - Lathe chucks. : de en
  • DK63603C - Guide mechanism for Cassette Holders in Cameras. : da en
  • CA428080A - Dispersible thiocarbanilide : en fr
  • CH237972A - Process for fusing glass with metal. : de en
  • US2378023A - Automatic tuner : en
  • CH237968A - Process for obtaining anhydrous aliphatic acids from their aqueous solutions. : en fr
  • CA428049A - Tire tube testing apparatus : en fr
  • CA428089A - Tin-plated lead tube manufacture : en fr
  • CH238044A - Arc-quenching switch in an insulating medium. : de en
  • CH238060A - Heating pad with chemical heating element for making permanent waves. : de en
  • ES11532U - Apparatus for sharpening and softening razor blades. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8494Y - New glove model. : en es
  • CA428078A - Fluid turbine : en fr
  • CH238081A - Hub with gear change device for cycles. : en fr
  • ES8611Y - Fixing mechanism, earrings, neck tip fasteners, and the like. : en es
  • FR899977A - Tea towel : en fr
  • ES11546U - Cardboard box or folding laminar material. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8552Y - Curled Hair Retainer Curler. : en es
  • FR899795A - Device for transporting masses of materials liable to sink : en fr
  • ES169884A1 - AN AUTOMATIC MACHINE FOR DYEING WOVEN FABRICS : en es
  • ES169851A1 - SYMMETRICAL LOOP FOR SERVICE WITH BROAD BAND FOR ULTRACORTAL WAVES, DESTINED BY PASSING A SYMMETRICAL LINE TO ANOTHER SYMMETRICAL, AND INVERSELY : en es
  • ES168687A1 - IMPROVEMENTS IN THE MANUFACTURE OF LIGHTING APPLIANCES, WITH VARIABLE DIRECTION DEVICES, LENGTH AND COUPLING : en es
  • FR899878A - Variable capacitor housed in an airtight tank : en fr
  • ES8840Y - Manual lined button. : en es
  • ES8698Y - Clasp or buckle for watch bracelets. : en es
  • ES8778Y - Protective shoe device. : en es
  • GB569866A - Improvements relating to the removal of fine solid particles from gases : en
  • FR899810A - Process for the preparation of copolymers of vinyl compounds and of vinylidene compounds, and products prepared or treated with the aid of these copolymers : en fr
  • US2377856A - Gas heated sadiron : en
  • FR899763A - folding ladder : en fr
  • ES8531Y - A grill for homes : en es
  • GB569860A - Improvements in perambulators : en
  • DK63599C - Bottom valve for collecting containers for condensate at gas generator systems. : da en
  • ES8444Y - Shear mechanism for photographs. : en es
  • CA428071A - Fluid and solid separating apparatus : en fr
  • ES169922A1 - A PROCEDURE FOR THE PREPARATION OF LUBRICATING OILS AND RESULTING PRODUCTS : en es
  • ES165314A1 - BUTT WELDING PROCEDURE : en es
  • US2377983A - Smoker's pipe : en
  • US2378169A - Esters : en
  • US2378189A - Modified butadiene polymers and method of making the same : en
  • GB569851A - Improvements in and relating to seed drills and the like : en
  • US2377888A - Forming tool : en
  • ES169483A1 - PIRETO TERÁPICA CAMERA : en es
  • GB569888A - Improvements in or relating to control gear for 3-phase induction motors : en
  • DK63610C - Procedure for Making the Patterned Fiberboard. : da en
  • FR899905A - Process to slow down the maturation of alkali-cellulose : en fr
  • GB569968A - Improvements relating to the perforation of sheet material by electrical discharges : en
  • US2378146A - Apparatus for sealing glass tubes : en
  • FR899758A - Automatic contactor for t station. s. f. : en fr
  • GB569949A - Improvements in or relating to riveting : en
  • ES8816Y - Sound and light electrographic device applied to geographic wall maps, anatomical charts and other graphics for school study. : en es
  • CA428178A - Fastener slider : en fr
  • FR899892A - Process for the preparation of bactericidal substances : en fr
  • GB569901A - Improved method of and means for applying coloured patterns to fabrics : en
  • ES8883Y - Device to keep the sole of the shoe flat. : en es
  • US2377879A - Compressor : en
  • US2377934A - Radius wheel dresser : en
  • CA428165A - Shoe part edge gauging mechanism : en fr
  • ES169172A1 - A TERMINAL AND MULTI CABLE COMBINED TERMINAL FOR AUTOMATIC TELEPHONE SYSTEMS : en es
  • US2378358A - Brake support bracket : en
  • ES8724Y - Rail connection with head welded to the cable. : en es
  • FR899757A - Iris diaphragm : en fr
  • US2378307A - Process for exchanging cations from aqueous solutions : en
  • FR899940A - Illuminated shoe : en fr
  • FR899960A - Method and device for obtaining endless cable wraps : en fr
  • GB569855A - Improvements in or relating to floors and floor compositions : en
  • US2378067A - Process of cracking petroleum : en
  • ES8511Y - Water-tight folding box, open at the top and intended to receive frozen items. : en es
  • US2378121A - Fixture holder : en
  • US2378308A - Boiler : en
  • ES169919A1 - AN IMPROVEMENT IN THE INSTALLATIONS OF WATER METERS IN BATTERY : en es
  • FI20656A - Rubber heel cover rail : en fi
  • FR899775A - Discharge tube coated with luminescent substance : en fr
  • US2378205A - Bottle : en
  • US2378363A - Alkylated melamine-formaldehyde coating compositions : en
  • ES8810Y - Covers perfected for blocks. : en es
  • ES8689Y - Endless Mechanical Rosary Device for Forklift : en es
  • CA428085A - Gasoline barge : en fr
  • CH237988A - Installation on measuring devices with a driving mark to be guided over the boundary line of the area to be measured. : de en
  • CH238075A - Road vehicle with electric drive. : de en
  • ES8540Y - Set of precise tools to facilitate eyebrow makeup. : en es
  • US2377901A - Oil heater : en
  • CH237953A - Sieve cover. : de en
  • US2378098A - Spoke connector : en
  • US2378030A - Manufacture of synthetic elastomers : en
  • US2378336A - Machine for everting ball casings and similar articles : en
  • DK63586C - Procedure for Impregnation of Textile Fabrics. : da en
  • FR899894A - Coating product for buildings, sanitary or kitchen appliances and furniture and similar applications : en fr
  • ES8893Y - Doors for flows. : en es
  • ES169943A1 - A PROCEDURE FOR THE DESTRUCTION AND TREATMENT OF TURBA AND SIMILAR SUBJECTS : en es
  • US2377855A - Bearing assembly : en
  • FR899863A - Fuel injection nozzle for internal combustion engines : en fr
  • US2377942A - Cushioned tie plate : en
  • USD141525S - Design fob a figube toy : en
  • CH238033A - Gas heater with a heat exchange surface. : de en
  • ES8692Y - Berets and visor caps. : en es
  • GB569896A - Improvements in or relating to means for trimming or shaping the edges of metal or like sheet material : en
  • FR899857A - Leather dyeing process with aniline colors : en fr
  • US2378143A - Portable beet thinner : en
  • US2377933A - Composite fabric : en
  • US2378206A - Light control for photographic printers : en
  • CA428106A - Discharge lamp : en fr
  • ES169495A1 - A PROCEDURE, WITH ITS CORRESPONDING DEVICE, TO SEE THROUGH THE FOG AND IN THE DARK : en es
  • US2378001A - Flame hardening torch : en
  • CH238018A - Electromagnetic coupling device, in particular for gears. : de en
  • US2378082A - Differential steering mechanism : en
  • FR899953A - Piston ejector pump for die casting machines : en fr
  • AU120012B2 - Improvements in or relating to hydraulic presses : en
  • CA428067A - Double window interlocking device : en fr
  • ES169844A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 169073 : en es
  • FR899898A - Reversing pole, with variable field curve : en fr
  • US2378185A - Adjustable step guide attachment for paper feed trays : en
  • USD141576S - Design fob a blouse : en
  • US2378034A - Table tennis ball manufacture : en
  • US2377906A - Nonmetallic molded replaceable blade shears : en
  • CA428094A - Spot welded sheet material : en fr
  • CA428123A - Overhead carrier system : en fr
  • CH238013A - Mobile tool box. : de en
  • US2378234A - Automatic web register correcting means for printing presses : en
  • CA428096A - Contact mechanism for electric switches : en fr
  • CA428114A - Electrical discharge device : en fr
  • CA428115A - Electrode supporting pin : en fr
  • US2378280A - Means or machinery for clearing or excavating ditches : en
  • US2377915A - Quick opening and sealing envelope : en
  • US2378298A - Composite-modulation radio service system : en
  • CH238030A - Regulator. : en fr
  • AU120027B2 - Treatment of fatty glycerides : en
  • AU120020B2 - Improved composite material for industrial uses and method of manufacture : en
  • US2378054A - Seam : en
  • ES169889A1 - IMPROVEMENTS INTRODUCED IN SHAVING MACHINES : en es
  • FR899916A - Marine reciprocating steam engine with exhaust steam turbine : en fr
  • CH237957A - Pedal device on sewing machine built into a piece of furniture. : de en
  • ES169958A1 - A NEW DEVICE FOR THE OPERATION OF THE BRUSHES, APPLIED TO ROTARY MACHINES FOR ELECTRIC WELDING : en es
  • GB569925A - Improvements in infants' chairs : en
  • CH237950A - Holding device for attachment to walls and other mounting surfaces. : de en
  • AU120022B2 - Improvements in or relating to thermionic valve amplifiers : en
  • ES11514U - Special mold for the pressing of the sardine and its packaging in a box. (Machine-translation by Google Translate, not legally binding) : en es
  • DK63609C - : da
  • CA428157A - Wire coiling mechanism : en fr
  • US2378178A - Governor : en
  • CA428150A - Multiplex telegraph system : en fr
  • US2377880A - Centrifugal abrasive-sheet holding wheel : en
  • LU27698A1 - : en
  • US2378340A - Container handle : en
  • CH237942A - Method and device for the production of a continuous nonwoven strip from glass fibers or similar fibers. : de en
  • AU120017B2 - Method and apparatus for making pile fabrics : en
  • CA428163A - Track rail contactor : en fr
  • ES11578U - Mortise lock for furniture, with fluted key ring (Machine-translation by Google Translate, not legally binding) : en es
  • GB569815A - Improvements in or relating to emulsion polymerisation of butadienes : en
  • ES11009Y - Brush. : en es
  • ES8569Y - Electric welder. : en es
  • ES8780Y - Syringe for washes and injections. : en es
  • CA428148A - Plastic rivet : en fr
  • SE114243C1 - : en
  • US2378297A - Coupling device : en
  • US2377989A - Car lining : en
  • ES169188A1 - ROLLING LUMINOUS BILLBOARD APPARATUS, WITH ADVERTISING PROJECTOR : en es
  • FI20633A - Anordning vid barkning av timmerstockar enligt friktionbarkningsprincipen : en fi
  • CH237998A - Bumper bearing for timepiece. : en fr
  • GB569928A - Improvements in and relating to fastenings for boxes, cases and other containers : en
  • CH237993A - Calculation aid consisting of one or more tables. : de en
  • US2378256A - Heel gluing machine : en
  • AU120009B2 - Improved method for treating iron sulphide-bearing material : en
  • CA428135A - Ice prevention device for aircraft parts : en fr
  • CA428121A - Hairpin threading device : en fr
  • CH238006A - Process for the production of blades for turbo machines from light metal and pressing tool for the production of blades according to the process. : de en
  • CH237944A - Device for separating coke from clinker from a mixture of these two materials. : en fr
  • CH238084A - Air conditioning system. : de en
  • CA428131A - Bag or suit case : en fr
  • AU120011B2 - Improvements in or relating to dyestuffs, pigments and dyestuff intermediates : en
  • CA428090A - Circular object rolling machine : en fr
  • US2377994A - Stair structure : en
  • US2378139A - Awning and operating means therefor : en
  • ES8557Y - Electric switch. : en es
  • US2378245A - Variable frequency oscillator : en
  • CA428050A - Salvaging apparatus : en fr
  • CA428076A - Paper stock processing : en fr
  • CH238087A - Drive device for actuating the closing elements of cone locks. : de en
  • ES8626Y - New system for security locks and padlocks. : en es
  • ES8594Y - Tilting swivel. : en es
  • FI20635A - Anordning vid skivväxlare för grammofoner med kamskivereglerad skivväxling : en fi
  • US2378296A - Manufacture of purified crystalline products : en
  • USD141561S - Tackett toy depot : en
  • CA428126A - Blowtorch : en fr
  • AU1031443A - Improvements relating to telephone systems : en
  • CH237926A - Cereal cupper. : de en
  • ES169352A1 - NEW PROCEDURE FOR ELABORATING SULFUR TABLETS WITHOUT DRIPPING : en es
  • CH238005A - Process for the production of a blade for turbomachinery and the blade produced according to the process. : de en
  • US2378313A - Tobacco stick : en
  • CA428061A - Walking aid : en fr
  • AU120019B2 - Improvements in or relating to laminated connectors : en
  • FR899785A - Vehicle crate : en fr
  • US2377977A - Calculator : en
  • CH237933A - Indicating device used for orientation from a given parking point. : en fr
  • CH237955A - Process for the production of artificial threads. : de en
  • US2377925A - Loom shuttle : en
  • US2378310A - Insecticide composition : en
  • CA428093A - Spooling device for cable tool drills : en fr
  • GB569916A - Improvements in carriers for cycle and motor cycle pumps : en
  • ES8564Y - Universal key. : en es
  • NL54623C - : en
  • ES169909A1 - A PROCEDURE TO OBTAIN A SUBSTITUTE PRODUCT FROM LA RABA, INTENDED AS A BAIT FOR FISHING : en es
  • US2378222A - Electric discharge apparatus : en
  • US2378061A - Nozzle for pressure-operated containers : en
  • US2378227A - Rate-of-climb indicator : en
  • ES8455Y - Simplified tap. : en es
  • GB569849A - Improvements in or relating to the retting of flax : en
  • FR899872A - Device for dosing and spreading of granular or powdery materials : en fr
  • GB569935A - Improvements in curlers for use in waving hair : en
  • GB569831A - Improvements in or relating to supporting and guiding means for sliding doors or gates : en
  • FR899957A - Process for preparing non-aromatic sulfinic acids : en fr
  • CH237970A - Process for the production of elastic structures. : de en
  • ES8700Y - Stocking needle, especially for serger. : en es
  • US2377865A - Life preserver : en
  • USD141547S - Design for a sectional display table unit : en
  • US2377884A - Means for measuring wind velocity : en
  • USD141588S - Kahn fountain pen : en
  • ES169915A1 - IMPROVEMENTS IN THE MECHANISM OF FOUNTAIN PENS : en es
  • ES169927A1 - AN INSTALLATION FOR GAS PRODUCTS : en es
  • US2378293A - Time element relay : en
  • CA428125A - Manganous sulphate solution purification : en fr
  • US2378366A - Rosin-modified phenol-formaldehyde resin coating compositions : en
  • US2378211A - Apparatus for and method of manufacture of cuproammonium rayon : en
  • CA428128A - Ironing machine : en fr
  • ES8601Y - Ink bottle, the side walls of which have areas of grooved surfaces, to prevent it from slipping between the fingers. : en es
  • US2378115A - Globe construction : en
  • USD141523S - Design for a toy horse : en
  • US2378204A - Mandelic acid antifoggants : en
  • GB569941A - Dividing engines : en
  • ES11575U - A suitcase-emergency kit (Machine-translation by Google Translate, not legally binding) : en es
  • FR899840A - Magazine for automatic firearms : en fr
  • FR899978A - Rod-shaped igniter for gasifiers : en fr
  • ES8693Y - Wooden box, removable and foldable. : en es
  • FR899845A - Process for preparing synthetic resins : en fr
  • FR899846A - Process for preparing light-colored esters from fatty acids and polyvalent alcohols : en fr
  • FR899797A - Process for the preparation of aqueous emulsions of waxes, hydrocarbons, paraffins, fatty acids and resinous acids : en fr
  • FR899862A - Lounge chair : en fr
  • GB569892A - Improvements in beams and pillars for supporting building boards : en
  • US2378119A - Closure actuating and locking mechanism : en
  • US2377954A - Camera : en
  • ES8546Y - Utensil for cutting potatoes and other vegetables. : en es
  • USD141548S - Design fob a doll : en
  • ES169936A1 - AN APPARATUS FOR THE TAKING OF CINEMATOGRAPHIC VIEWS OR PHOTOGRAPHS : en es
  • CH238002A - Welding pliers for butt welding thin wires. : de en
  • US2378029A - Apparatus for heat treating liquids : en
  • ES8555Y - Folding hanger type : en es
  • FR899997A - Device for preparing infusions of coffee and other substances : en fr
  • ES11553U - A tow truck for auxiliary services in airfields (Machine-translation by Google Translate, not legally binding) : en es
  • ES8691Y - Glass cleaning device. : en es
  • FR899936A - Method for manufacturing flanged sleeves without chips : en fr
  • US2377953A - Abrasive stick holder : en
  • US2378099A - Coupling : en
  • US2378339A - Safety stand : en
  • US2378334A - Comparator gauge : en
  • US2378360A - Methods of finishing cellulosic fabrics : en
  • ES169863A1 - IMPROVEMENTS IN THE CONSTRUCTION OF ELECTRIC SHEETS : en es
  • FR899911A - Mixtures of salts for the impregnation of wood : en fr
  • GB569909A - Improvements in or relating to the tanning of leather : en
  • US2378009A - Production of esters : en
  • US2378361A - Apparatus for cleaning textile machines : en
  • FR899852A - Mobile and extendable formwork for molded materials : en fr
  • US2377929A - Drawer construction : en
  • DK63594C - Folding Chair. : da en
  • FR899825A - Protective devices against shocks that could damage clockwork mechanisms : en fr
  • FR899986A - Treatment method to obtain non-clotting or slow clotting blood or blood products : en fr
  • US2378135A - Fixed temperature responsive device : en
  • US2378327A - Dynamic fuse testing device : en
  • CH237960A - Zipper. : de en
  • US2378125A - Airscrew : en
  • CH238055A - Remote control resonance relay. : de en
  • FR899834A - Elastic coupler especially for electrical conductors : en fr
  • US2378122A - Fastening device : en
  • FR899959A - Urea-formaldehyde condensation products : en fr
  • ES11517U - Shoulder strap for garments. (Machine-translation by Google Translate, not legally binding) : en es
  • US2378318A - 2-amino 4-methylpyrimidine : en
  • US2377897A - Razor blade envelope : en
  • US2378187A - Device for throwing missiles such as hand grenades : en
  • US2378207A - Camera shutter : en
  • US2377968A - Foldable visual album : en
  • USD141538S - Decorative wall material unit or the like : en
  • ES11548U - Plywood board. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8713Y - Segments for (internal combustion engine pistons. : en es
  • FR899891A - Gear shifting with partially automatic clutch : en fr
  • FR899781A - Process for preparing sulfanilamide derivatives : en fr
  • US2377891A - Compression fitting : en
  • US2377912A - Communication system : en
  • ES169899A1 - A TRACK APPARATUS FOR RACES OF SMALL ANIMALS, ESPECIALLY MICE : en es
  • US2378162A - Electric switch : en
  • CA428184A - Radio signalling system : en fr
  • ES165298A1 - NEW PROCEDURE FOR OBTAINING DENTÍFRICAS PASTAS AND, IN GENERAL, ALL PRODUCTS USED FOR THE CLEANING AND DISINFECTION OF THE MOUTH BASED ON CHLOROPHYLL : en es
  • US2378118A - Explosive rivet : en
  • GB569945A - Circuit breaker and overload protective device : en
  • ES8530Y - Set of tensioners for pants. : en es
  • FI20628A - Anordning vid sport sport eller militära ändamål avsedda, av textileil- eller annat warm plastic material framställda artiklar : en fi
  • FR899831A - Solenoid : en fr
  • FR899792A - Hammer crusher : en fr