• US2376030A - Polyvinyl butyral compositions : en
  • CH237596A - Change frame for pictures. : de en
  • US2376000A - Foot-exercising device : en
  • AU119907B2 - Improved dishwashing apparatus : en
  • CA427567A - Hardenable steel : en fr
  • CH237677A - Sealing device on parts to be connected to one another by means of two cones that can be plugged into one another. : de en
  • DK63486C - Lifting and lowering mechanism for work tools in agricultural machinery and similar apparatus with its own frame, especially steerable machinery. : da en
  • AU1136443A - Improvements in or relating tothe cooling of pistons : en
  • CH237652A - Keyboard for calculating and similar machines. : de en
  • CA427579A - Milkweed gin : en fr
  • CA427539A - Circuit breaker : en fr
  • US2375880A - Refrigeration apparatus : en
  • USD141221S - Design for a rocker chair frame : en
  • US2376187A - Dental mallet : en
  • US2376232A - Testing device : en
  • DK63481C - Procedure for the manufacture of resistors for electric heaters and similar appliances, in particular those exposed to vibrations. : da en
  • US2375833A - Method of producing lacteal food products : en
  • US2376318A - Vehicle anchor device : en
  • CH237726A - Process for the preparation of a water-soluble dye. : de en
  • AU119906B2 - Improvements in or relating to halogenation of aromatic hydrocarbons : en
  • US2375980A - Faucet : en
  • US2376157A - Interconnected bomb rack controls : en
  • US2376293A - Bullet handling apparatus : en
  • US2375986A - Spinning toy : en
  • US2376042A - Brake mechanism : en
  • CH237680A - Guide vane bent from sheet metal for axial fans. : de en
  • USD141198S - Design for an eyeshield or similar article : en
  • US2376060A - Production of motor fuel : en
  • AU119916B2 - Improvements in or relating to induction heating coils : en
  • CH237684A - Process for sucking up and delivering a fluid and installation for implementing this process. : en fr
  • CH237629A - Device for the cancellation of documents which have the form of collective sheets or are drawn onto such, in particular rationing stamps or the like. : de en
  • US2376049A - Grass composition for producing a potable brew : en
  • ES169507A1 - IMPROVEMENTS INTRODUCED IN THE TENSION DEVICES FOR CHAIN CONTROLS : en es
  • USD141253S - Design for paper or the like : en
  • FR52690E - Automatic removal device for lathe tool : en fr
  • ES10427Y - Apparatus for combating insects by means of heat. : en es
  • GB569305A - A new or improved projector for bombs : en
  • CH237587A - Battery-free electric cattle herding device. : de en
  • AU119921B2 - Production of improved skins : en
  • ES8237Y - Purse with scrubber for shoe cleaning. : en es
  • CH237718A - Switches, especially for grooved rail tracks. : de en
  • CA427500A - Guanyl urea formate production : en fr
  • CH237627A - Process for the production of a condensation product. : de en
  • US2375957A - Process for concentrating colloidal dispersions : en
  • US2376165A - Ironing table : en
  • ES169550A1 - PROCEDURE FOR OBTAINING VEGETABLE CURTIENT MATERIALS : en es
  • GB569251A - Improvements in or relating to magnetic holding devices : en
  • US2376098A - Means for securing elastic strips in a support : en
  • ES169577A1 - A MECHANICAL SYSTEM FOR THE CONTROL OF BRAKE IN BIKES AND SIMILAR THROUGH TORSION OF THE HANDLEBAR : en es
  • US2376178A - Apparatus for supplying a treating medium : en
  • AU950243A - Crushers : en
  • US2376169A - Control system : en
  • US2375892A - Thermometer : en
  • US2376202A - Retarding diffusion of sensitizing dyes : en
  • FR52727E - Extinguishing foam downpipe for fuel tank : en fr
  • FR899090A - Device for filing and moving receptacles containing card drawers or other objects : en fr
  • US2376172A - Heating apparatus : en
  • USD141214S - Casing for a calculating machine or the like : en
  • ES169541A1 - PROCEDURE FOR THE SIMULTANEOUS, BUT SEPARATE, VANADIUM AND MANGANESE OBTAINMENT EXEMPT PRACTICALLY FROM PHOSPHORUS : en es
  • FR899021A - Apparatus for making footwear, in particular shoes with uppers of linen or the like and with rubber soles : en fr
  • US2376027A - Preparation of rubber derivatives : en
  • CA427525A - Electric discharge device starting control : en fr
  • US2376092A - Compensated befbigebatof : en
  • US2376265A - Inert gas blanketed arc welding torch : en
  • CH237719A - Coupling with joints for rail engines. : de en
  • US2375818A - Commutator brush : en
  • US2375959A - Steering by braking : en
  • USD141276S - Design fob a condiment server : en
  • US2375901A - Automatic safety device applying to doors and windows : en
  • CH237632A - Storage device for newspapers. : de en
  • FR899056A - Advanced training in open and closed type electrical machines : en fr
  • FR899094A - Process for the manufacture of food extracts by plasmolytic or autolytic conversion into liquid : en fr
  • ES8272Y - File index. : en es
  • FR52665E - Electric soldering irons improvements : en fr
  • FR899066A - Nozzle for shaft furnaces, mainly for blast furnaces : en fr
  • ES169478A1 - INSTALLATION OF MILLS WITH STONE SOLERA MOBILE MOVEMENT ROTARY CONTRARY : en es
  • GB569241A - An improved recessing tool : en
  • FR898969A - Process for the separation of hardly adsorbable gases : en fr
  • FR899100A - Device functioning as a filter and mixer to filter the gasifier gas and at the same time as the air required for carburization : en fr
  • GB569234A - Improvement in engine starter gearing : en
  • FR898987A - Device for heating graphite anodes of discharge tubes : en fr
  • FR52712E - Adjuster for counter-rotating air propellers : en fr
  • ES169272A1 - IMPROVEMENTS INTRODUCED IN THE WRAPS OF THE WRITING MACHINES : en es
  • FR52694E - Spirometer : en fr
  • US2375823A - Polishing composition : en
  • USD141227S - Closure hood for beverage bottles : en
  • ES8227Y - Lined button. : en es
  • US2375984A - Protective apparatus : en
  • GB569347A - Improvements in or relating to hydraulic shock absorbers : en
  • ES167087A1 - A PROCEDURE TO PRODUCE GAS OF POOR SYNTHESIS IN METHANE : en es
  • ES168943A3 - DEVICE FOR ELECTRICAL CONNECTIONS : en es
  • FR898992A - Overlay writing plate : en fr
  • GB569299A - Improvements in and relating to electric relays : en
  • FR52731E - Device of directed antennas for wide frequency bands : en fr
  • GB569213A - Improvements in or relating to speed controls, particularly for synchronizing a number of power units : en
  • GB569331A - An improved word-building or like educational appliance : en
  • US2376175A - Antihalation film : en
  • ES169482A1 - IMPROVEMENTS IN MANUFACTURING CONSTRUCTION LINES : en es
  • FR52711E - Method of automatic adjustment of the supply of respiratory air and of the heating of the pressure chambers in airplanes navigating at high altitude and regulator allowing its implementation : en fr
  • FR899062A - Cast steels for low temperature uses and their applications : en fr
  • US2375900A - Fuel burner control system : en
  • US2376024A - Composition shingle : en
  • FR52721E - Connecting sleeve : en fr
  • US2375771A - Furnace : en
  • US2376020A - Combined windmill and electric generator : en
  • US2376140A - Direct-fired unit heater : en
  • CH237585A - Process for the manufacture of windows with double glazing. : de en
  • US2375807A - Adapter and insulator construction for interior illumination : en
  • US2375876A - Baling machine : en
  • US2376034A - Facsimile apparatus : en
  • USD141237S - Design for a display cabinet : en
  • FR898998A - Machine for the preparatory treatment of plastics, particularly natural and artificial rubber : en fr
  • AU137936B2 - Process and product for treatment of hides and skins : en
  • ES169607A1 - PROCEDURE FOR THE MANUFACTURE OF TUBULAR BEARINGS OF ELASTIC MATERIALS : en es
  • ES8242Y - Special closure for bottles : en es
  • ES8271Y - Shoe remover for boots. : en es
  • FR898952A - elastic rubberized porous fabric and method for its manufacture : en fr
  • US2375924A - Aircraft structure : en
  • FR52730E - Bolt known as indestructible : en fr
  • US2375973A - Pneumatic float for aircraft : en
  • US2375848A - Harvesting equipment : en
  • CA427502A - Di-2-octyl guanidine : en fr
  • CA427548A - Electric discharge device : en fr
  • FR52732E - Further training in sockets for mobile transformer substations : en fr
  • US2376208A - Copolymers of vinylidene chloride and conjugated diene hydrocarbons : en
  • US2375874A - Sterol and steroid derivatives : en
  • FR899020A - Process for the construction of floors and roofs without iron : en fr
  • FR899057A - Viscometer for carrying out measurements and adjustments : en fr
  • ES8247Y - Wardrobe suitcase. : en es
  • ES10883U - Pencil brooch. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169552A1 - CONNECTION FOR DELAYED FADING REGULATION WITH DIRECT HEATED VALVES : en es
  • US2375998A - Methods of making them : en
  • CH237595A - Floor soaking machine. : de en
  • CH237685A - High voltage ignition device for explosion engines. : en fr
  • CA427473A - Stapling machine : en fr
  • US2375918A - Railway car truck : en
  • ES11418U - Electric heater to heat liquids in small vessels, especially those used for shaving. (Machine-translation by Google Translate, not legally binding) : en es
  • ES168730A3 - ENGLISH TYPE STOVE SYSTEM, TOWNHOUSE TO WALLS : en es
  • US2375931A - Full-form shoe tree : en
  • US2376188A - Foundation for elastic fluid turbines and the like : en
  • CH237706A - Telephone station. : de en
  • ES8270Y - Axle for variable gauge railway wagons. : en es
  • ES9699Y - New garment. : en es
  • US2375919A - Means for snubbing springs : en
  • US2376036A - Collapsible commode : en
  • US2375877A - Device for maintaining a fixed bias : en
  • US2375967A - Circuits : en
  • US2375927A - Apparatus for conditioning steel blanks : en
  • CA427576A - Electrical soldering apparatus : en fr
  • CH237597A - Flat duvet. : de en
  • AU1146343A - Improved electrical water heater : en
  • AU119918B2 - Improved electrical water heater : en
  • US2375893A - Projectile : en
  • CH237599A - Device for cleaning the human body. : de en
  • CH237594A - Grating and cutting machine with a passing device for fruits and the like. : de en
  • AU119923B2 - An improved panel locking catch : en
  • CA427575A - Electric soldering iron : en fr
  • FR52740E - Process for removing anions from liquid pectin juices containing mineral acids, by means of exchangers based on synthetic resins : en fr
  • FR899049A - Low remanence, small time constant transverse field generator : en fr
  • GB569276A - Improvements in or relating to heating apparatus and control system therefor : en
  • USD141203S - Design fob a lawn mower ok the like : en
  • ES8265Y - Apparatus for killing moles and other harmful animals. : en es
  • CH235949A - Process for the preparation of p-amino-benzenesulfonyl-amino-pyridine-Bz-N-methylene-sulfonic acid morpholine. : de en
  • US2375773A - Stabilization of pyrethrum preparations : en
  • US2376102A - Door lock : en
  • US2375834A - Fireproof fuel tank system : en
  • US2376207A - Drier for photographic material : en
  • US2376211A - Draft regulating apparatus : en
  • FR898976A - Articulation device : en fr
  • US2376128A - Pocket trommel : en
  • ES11457U - Pocket calculating machine. (Machine-translation by Google Translate, not legally binding) : en es
  • US2376309A - Dehydrogenation of menthane : en
  • US2376313A - Composition of matter : en
  • FR52662E - Method and devices for immediate extinguishing of motion picture film ignition : en fr
  • ES8251Y - Device for lamp holder. : en es
  • ES11413U - Device for the packaging and retail sale of all kinds of cases. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569254A - Improvements in aviation trainer : en
  • CH237724A - Process for the preparation of a new monoazo dye. : de en
  • US2375790A - Power transmission : en
  • FR899054A - Phonograph record : en fr
  • US2376267A - Automatic welt turner : en
  • USD141268S - Design for a desk calendar unit : en
  • US2375789A - Milling machine attachment for lathes : en
  • US2375945A - Plug gauge : en
  • AU119898B2 - Ionic exchange operations : en
  • CH237702A - Electric selector. : de en
  • CA427532A - Electric heating device : en fr
  • CH237623A - Process for making durable cyclic acetals. : de en
  • FR899098A - Contact device with movable contact periodically moved in both directions with respect to fixed contacts : en fr
  • US2376108A - Integrator : en
  • US2376277A - Isostatic balancing : en
  • US2375886A - Pressure type liquid fuel burning device : en
  • US2376181A - Cable lift frame assembly for tractors : en
  • ES169563A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NuM. 167051 : en es
  • FR899004A - Radial impeller can turn in both directions : en fr
  • US2375971A - Apparatus for the preparation of textile threads : en
  • US2376073A - Steel, and method of improving the creep strength thereof : en
  • GB569260A - Frequency modulation reproducing systems : en
  • FR899019A - Improvements to air-cooled refrigeration machines : en fr
  • GB569295A - An improved gear for securing and releasing gripe wires to life boats or the like orloads on lorries or the like : en
  • GB569353A - Improvements in and relating to the production of resinoid materials : en
  • US2376222A - Dispensing container : en
  • GB569358A - Improvements in or relating to thermostatic means for regulating the heat supply to liquid heating apparatus : en
  • ES169545A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF LUBRICATED BAGS : en es
  • FR52659E - Clip-clasp device for bracelets, wristwatches, necklaces, etc. : en fr
  • FR899032A - Enhancements to extended bandwidth bridge quartz filters, especially for shortwave : en fr
  • GB569316A - Tiles : en
  • US2375853A - Diamine derivatives : en
  • ES169510A3 - DEVICE TO ENSURE, AT THE SAME TIME, THE INTERLOCKING OF THE TWO PARTS OF A REMOVABLE JOINT AND ITS LINKAGE WITH ANY ONE OR SEVERAL PARTS : en es
  • GB569302A - Improvements in or relating to heating systems for aircraft : en
  • GB569269A - Improvements in or relating to machine knitting needles : en
  • US2375944A - Method of tempering glass articles : en
  • US2375951A - Aircraft construction : en
  • AU130899B2 - Improvements in and relating to high rupturing capacity electrical fuses : en
  • ES8194Y - Vegetable shredding apparatus and the like. : en es
  • FR52691E - Electric incubator : en fr
  • US2375992A - Tire construction : en
  • ES169566A1 - ELECTRONIC DISCHARGE DEVICES : en es
  • US2376219A - Fabrication of quartz resonators : en
  • FR899099A - Process for preparing adipic diamide : en fr
  • US2376046A - Combined bottle closure and wick : en
  • AU129324B2 - Improvements in or relating to plating of copper oxide members : en
  • GB569343A - Improvements relating to self-starting synchronous electric motors : en
  • FR899067A - Device for engaging skips or wagons in transport installations using rotating cables : en fr
  • GB569306A - Improvements in or relating to processes of treating an impure solution or liquid containing organic material, particularly processes of purifying sugar solutions and the like : en
  • ES169613A2 - IMPROVEMENTS MADE IN THE SCOPE OF THE MAIN PATENT NUMBER 165241 : en es
  • ES8262Y - Pneumatic device for filling narrow-mouth bottles. : en es
  • GB569298A - Improvements in or relating to power driven wood saws : en
  • US2375884A - Oil burner : en
  • US2375885A - Production of pantothenic acid : en
  • US2376296A - Tractor and lift trailer combination : en
  • US2376032A - Drawer arrangement for refrigerators : en
  • USD141195S - Design for an eyeshield or similar article : en
  • ES169608A1 - A PROCEDURE FOR THE TREATMENT OF CINEMATOGRAPHIC FILMS : en es
  • FR898993A - Method of applying a homogeneous coating of lead inside tubes and similar hollow bodies : en fr
  • FR52673E - Improvements to circulation fermentation tanks, in particular for obtaining combustible gas : en fr
  • US2376018A - Dispenser : en
  • FR52652E - Electric boiler and its adaptation principle on central heating radiators by water circulation : en fr
  • FR899072A - Process for manufacturing acid-resistant articles and articles thus obtained : en fr
  • FR52700E - Pressurized fluid control device for closing doors and other applications : en fr
  • ES169568A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SECURITY LOCKS COMBINED WITH HIT LOCK : en es
  • FR898958A - Universal precision sharpener : en fr
  • ES169119A3 - PROCEDURE TO OBTAIN, THROUGH METAL SHEETS APPLIED TO THE FOOTWEAR, A GALVANIC PAIR : en es
  • CA427531A - Electric heating apparatus : en fr
  • US2376151A - Suture spool for surgical stitching instruments : en
  • USD141212S - Design fob an emblem badge : en
  • FR898988A - Electrically controlled compression refrigeration machine : en fr
  • USRE22642E - Tbactob fob agricultural : en
  • FR898991A - Coat, in particular rain coat made of artificial material, with adjustable waist size : en fr
  • US2376021A - Adjustable reamer : en
  • US2376105A - Esters of thiocyano-substituted organic acids : en
  • CA427515A - Traffic control signal : en fr
  • ES169514A3 - PENDOLA AND ITS CLAW FOR ELECTRIC TRACTION AIRLINE : en es
  • ES8275Y - Be careful with the movable girl, applicable to all kinds of dolls. : en es
  • FR898966A - Preservation process for asparagus and other plants : en fr
  • GB569249A - Improvements in aviation trainer : en
  • US2376193A - Gynecologic instrument : en
  • US2376278A - Signal device : en
  • FR899006A - Thrust bearing for machine tool : en fr
  • US2376143A - Control system for aircraft turbosuperchargers : en
  • ES11450U - A key from one to more offshoots (Machine-translation by Google Translate, not legally binding) : en es
  • US2375758A - Control of heat transfer salts : en
  • US2375981A - Snowplow : en
  • US2376136A - Clutch structure : en
  • US2376190A - Chemical process : en
  • CA427558A - Calibrating tool : en fr
  • CH237635A - Device for the simultaneous unwinding and rewinding of an endless film strip forming a single roll. : de en
  • AU1971845A - Process and product for treatment of hides and skins : en
  • CA427479A - Concrete form unit : en fr
  • CA427560A - Electric meter : en fr
  • CH237672A - Electric cigarette lighter. : en it
  • FR899011A - Method of constructing electric heating elements for domestic and industrial uses and products obtained by this method : en fr
  • AU119903B2 - Improvements in color photography using metallic salt coupler compounds : en
  • ES169496A1 - HAND GRENADE : en es
  • US2375780A - Methods of making phthalocyanine pigments : en
  • ES11434U - Apparatus designed to obtain vitamin concentrates from liquids that contain them. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569240A - Improvements relating to valve tappets for internal combustion engines : en
  • US2375799A - Folding crane : en
  • US2376269A - Garment hanger : en
  • ES11405U - Electric capacitor especially electrolytic capacitor (Machine-translation by Google Translate, not legally binding) : en es
  • AU119893B2 - Mulling apparatus with rubber lining : en
  • ES11427U - Stopper, with attached device for its extraction. (Machine-translation by Google Translate, not legally binding) : en es
  • ES9566U - System of continuous circuit of resistance in portions of varied dimensions, established by metallic bridges of connection, applicable to any refractory. (Machine-translation by Google Translate, not legally binding) : en es
  • US2375840A - Liquid heating apparatus : en
  • US2376177A - Furnace : en
  • FR899013A - Film apparatus, more especially sound film : en fr
  • FR899059A - Spring and inclined coils and its application to tires for vehicles : en fr
  • GB569214A - Improvements in or relating to mechanism for use in computing apparatus : en
  • GB569339A - Circuit arrangement for producing trains of sinusoidal oscillations : en
  • US2375852A - Reversible supercharged twostroke internal-combustion engine : en
  • US2375887A - Rearview device : en
  • AU2073645A - Improvements in or relating to plating of copper oxide members : en
  • CH237722A - Process for the production of a water repellent. : de en
  • ES169587A1 - IMPROVEMENTS INTRODUCED IN ROTARY DRUM BEARING RING SYSTEMS : en es
  • ES169594A1 - IMPROVEMENTS IN THE OVENS OF RECOCER : en es
  • FR52717E - Process for splitting hydrocarbons or for hydrogenating them under pressure : en fr
  • CH237602A - Brush. : de en
  • US2376161A - Tooth gearing : en
  • US2375923A - Pump : en
  • ES169543A1 - CONSTRUCTION PROCEDURE IN GALLERIES OR WELLS, IN WHICH THE WALLS ARE SUBJECT TO SELF-CONVENTION : en es
  • USD141282S - Design fob a slipper : en
  • AU129044B2 - Improvements in or relating tothe manufacture of pest control compositions : en
  • CA427566A - Copper alloy : en fr
  • CA427537A - Electric heating unit : en fr
  • US2376056A - Battery charging thermostat : en
  • US2375762A - Floating dry dock : en
  • US2375922A - Treatment of solutions to obtain solid matter therefrom : en
  • US2375753A - Coating composition : en
  • US2375859A - Refrigeration apparatus : en
  • US2376031A - Saw filing guide : en
  • US2376198A - Internal combustion engine oil cooler : en
  • US2376281A - Method and apparatus for producing latex foam : en
  • USD141207S - Projectile-dropping bomb-sight toy : en
  • CA427573A - Diaphragm valve : en fr
  • CH237601A - Ladder. : de en
  • ES169357A1 - IMPROVEMENTS IN REFRIGERATING APPARATUS FOR COLD STORAGE : en es
  • CA427478A - Concrete form panel : en fr
  • DK63488C - Procedure in the manufacture of welded valve housings. : da en
  • US2376082A - Surface treatment of aluminum and aluminum alloys : en
  • US2376304A - Bin level control : en
  • US2376176A - Box stacker : en
  • FR52680E - New insulation for electrical conductors and all other uses : en fr
  • CA427519A - Electrical connector : en fr
  • CH237695A - Device for winding wire onto bobbins. : de en
  • CH237654A - Projector. : en fr
  • CA427518A - Electrical connector : en fr
  • US2375811A - Signal interrupter : en
  • USD141272S - Front end hydraulic loader : en
  • CH237609A - Safety device on electrically powered looms. : de en
  • ES8047Y - Egg-shaped and illuminated device for mending. : en es
  • CH237691A - Bearing block for storing rolls. : de en
  • CH237584A - Tile roofing. : de en
  • FR52682E - Improvement in gasifiers : en fr
  • FR52692E - Automatic metering injector for heat engines : en fr
  • FR899047A - Headlight adjuster arranged in the fender of a vehicle : en fr
  • GB569268A - Improvements relating to electromagnetic relays : en
  • ES169590A1 - COILS FOR CINEMATOGRAPHIC FILMS : en es
  • US2375933A - Process for preparing arsenates by anodic oxidation of salts of arsenious acid : en
  • US2376037A - Apparatus for measuring and adjusting tension in guy lines : en
  • AU1085743A - Propeller fans : en
  • FR899068A - Flexible wooden sole : en fr
  • ES11105U - Luminous shovel for recognition of the pharynx and mouth fundus (Machine-translation by Google Translate, not legally binding) : en es
  • ES11335U - A sound ball for fairground attractions (Machine-translation by Google Translate, not legally binding) : en es
  • US2376246A - Knitting method and product thereof : en
  • CH237636A - Method and recording camera for the production of picture sound films. : de en
  • CH237638A - Nuremberg scissors. : de en
  • US2375784A - Interchangeable matrix tread vulcanizing mold : en
  • US2376240A - Apparatus for cold rolling : en
  • FR899038A - Device for the interchangeable mounting of tools, especially on lathes : en fr
  • FR52716E - Photographic slit shutter : en fr
  • ES169343A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 168003 : en es
  • US2375920A - Electric drier : en
  • FR52672E - Arrangement of horizontal tail planes for airplanes : en fr
  • US2376275A - Signaling system : en
  • FR899015A - End Clip Wire Tape : en fr
  • USD141219S - Design for a tape dispenser : en
  • FR899036A - Process for the preparation of new thiocarbamide derivatives : en fr
  • GB569220A - New thiazole derivatives : en
  • ES11446U - Apparatus for filling ink with fountain pens and protecting them during this operation (Machine-translation by Google Translate, not legally binding) : en es
  • FR52703E - Optical micrometer : en fr
  • GB569247A - Improvements in computating devices for photography : en
  • US2376026A - Spring : en
  • ES8193Y - Gate wrench for pipes. : en es
  • US2376297A - Process of color photography : en
  • US2376272A - Automatic telephone answering system : en
  • FR52707E - Process for improving the initial permeability of iron-silicon alloys : en fr
  • US2375821A - Amplifier : en
  • US2375875A - Electric primary battery : en
  • GB569232A - Improvements in or relating to screws : en
  • ES169540A1 - MECHANICAL CART FOR SPRAYING AND DISTRIBUTING INSECTICIDAL AND SIMILAR LIQUIDS : en es
  • CH237588A - Heat pump. : de en
  • ES169597A2 - SELF-CLOSING HINGE : en es
  • US2375750A - Hydraulic brake system for motor vehicles : en
  • US2376302A - Cinematographic photographing apparatus : en
  • CH237651A - Process for the production of a tablet for the quantitative determination of sugar, in particular in the urine. : de en
  • US2376038A - Extensometer : en
  • ES11407U - Reinforced concrete rod. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169515A3 - DEVICE TO IMMOBILIZE ONE WITH REGARD TO THE OTHER, TWO SLIDING PARTS OF A LENGTH ADJUSTABLE STABILIZER ARM FOR CONTACT LINES FOR MECHANICAL TRACTION : en es
  • US2376064A - Flask or jug liner : en
  • US2376078A - Treatment of light hydrocarbons : en
  • USD141279S - Design fob a place mat or similar article : en
  • US2375994A - Ski and the method of making the same : en
  • US2376307A - Electrical bus bar : en
  • FR52733E - Tap-type transformer, load-adjustable, with stud contactor and switching reactance : en fr
  • GB569250A - Improvements in couplings for hoses and pipes : en
  • ES8276Y - Electric stove with regulating device. : en es
  • ES169487A2 - A PROCEDURE FOR THE PRODUCTION OF ARTIFICIAL SILK, ANALOGUE TO WOOL : en es
  • GB569222A - Improvements in and relating to vitreous products : en
  • US2375895A - Apparatus for sintering : en
  • GB569289A - Improvements in or relating to electric discharge devices : en
  • FR899071A - Beam brake : en fr
  • US2376291A - Process of rendering materials germicidal and germicide therefor : en
  • GB569236A - Process and apparatus for granulating metals and alloys : en
  • FR52686E - Improvements to gasifiers : en fr
  • FR898999A - Tool for cutting, slicing or separating tubes or pipes and the like : en fr
  • GB569226A - Improvements relating to boots, shoes and the like : en
  • USD141243S - Design fob a chuck ob similar abticle : en
  • USD141263S - Design for a coverall uniform : en
  • ES10907Y - Furniture-chair that is made up of or is made up of three different pieces of furniture with different uses, each one. : en es
  • US2375864A - Treatment of cellulose organic ester yarns : en
  • US2376099A - Hot-blast stove : en
  • US2375913A - Charcoal grill : en
  • US2375866A - Battery charging rack : en
  • GB569359A - Improvements in nuts : en
  • ES11440U - Perfected desk (Machine-translation by Google Translate, not legally binding) : en es
  • US2376120A - Fowl-plucking apparatus or the like : en
  • US2376141A - Fine grain developers : en
  • US2376199A - Control for aircraft superchargers : en
  • USD141236S - Design fob a floral piece : en
  • USD141254S - Besign fob an electroplating device : en
  • GB569272A - Improvements in resilient couplings : en
  • CA427484A - Cinder plant draining and disposal plant : en fr
  • CH237611A - Pattern device for circular knitting machines. : de en
  • US2376009A - Hydraulic motor mechanism : en
  • US2376111A - Telegraph system : en
  • CA427486A - Water gas manufacture : en fr
  • US2376015A - Polymerization of unsaturated organic compounds containing a ch2=c<group : en
  • US2376016A - Pump : en
  • US2375794A - Telegraph switching system : en
  • CH237600A - Pressure cooker. : de en
  • CA427550A - Coffee maker control : en fr
  • US2375829A - Mounting for swiveled rings : en
  • GB569354A - Improvements in variable speed gear : en
  • FR899093A - Internal combustion engine with pistons moving one inside the other in opposite movements : en fr
  • AU119911B2 - Receptacle for mulling apparatus : en
  • DK63489C - Electromagnetically controlled gear mechanism. : da en
  • ES11432U - Neck for bottles of all kinds. (Machine-translation by Google Translate, not legally binding) : en es
  • US2375860A - Irrigation appliance : en
  • FR898994A - Process for carrying out catalytic accelerated reactions : en fr
  • ES169493A1 - AN APPARATUS FOR ESTABLISHING WARNING SYSTEMS OF OVERHEATING IN ELEMENTS AND ORGANS OF MACHINES : en es
  • FR899035A - Plow : en fr
  • US2376127A - Frequency discriminator : en
  • FR52689E - Improvements to direct current relays, in particular for controlling track circuits : en fr
  • ES8274Y - Pin for doors, windows and similar applications. : en es
  • US2375777A - Electrical prospecting system : en
  • US2376123A - Vent plug : en
  • US2375851A - Refrigeration apparatus : en
  • USD141220S - Design for a tape dispenser : en
  • ES168826A1 - A NEW PROCEDURE FOR THE AGGLOMERATION OF CARBONS : en es
  • US2375809A - Container : en
  • FR899040A - Method and device for expanding liquids : en fr
  • CH237698A - Orthopedic gaiter for straightening the curved legs of small children. : en fr
  • CA427472A - Stapling machine : en fr
  • CH237681A - Safety device on driven gyroscopes to prevent reverse rotation in the event of a sudden failure of the prime mover. : de en
  • USD141256S - Design fob a cap : en
  • CH237626A - Drilling oil emulsion. : de en
  • CA427598A - Card and envelope unit : en fr
  • CA427583A - Multiple fuse : en fr
  • USD141283S - Combined handbag and picture holder : en
  • US2376218A - Selective high call reversal : en
  • US2376249A - Gastroscope : en
  • USD141200S - Design for a flower holder or the ldxe : en
  • USD141218S - Design fob a monument : en
  • USD141242S - Combined bracket and memorandum pad : en
  • US2376153A - Sawhorse : en
  • CH237604A - Can. : de en
  • CA427481A - Badge and broach retaining means : en fr
  • CH237674A - Endless screw. : en fr
  • CH237655A - Clockwork. : de en
  • CH237731A - Device for regulating a physical variable as a function of a variable physical variable by means of an electrical differential compensation device. : de en
  • CH237711A - Pouring nozzle on petrol canisters. : de en
  • ES169609A1 - A COMPASS FOR THE CONTINUOUS LAYING OF ELIPSES WITH SHORTENING AND EXTENSION EQUIPMENT : en es
  • US2376011A - Windshield wiper unit : en
  • US2376022A - Plural-way cock : en
  • CA427594A - Booster pump device : en fr
  • CH237643A - Leveling device on support devices for machine weapons. : de en
  • CH237579A - Spraying installation, in particular for the disinfection and treatment of trees and plants. : en fr
  • FR899041A - Sterilizer : en fr
  • AU1042243A - Improvements in and relating to liquid meters, particularly water meters : en
  • CA427498A - Disubstituted cyanamide preparation : en fr
  • ES169574A1 - IMPROVEMENTS IN THE MANUFACTURE OF THE ALDOLES : en es
  • GB569216A - Improvements in cells for the electrolysis of magnesium chloride fusions : en
  • CH237605A - Device for dry spinning of synthetic fibers. : de en
  • ES169512A3 - INSULATED SUPPORT INTENDED FOR THE CONSTRUCTION OF SELECTORS OF ELECTRICAL LINES AND APPARATUS FOR THEIR APPLICATION : en es
  • CH237673A - Arrangement for the axial support of rotating drums. : de en
  • FR899082A - Fuel injection pump, drum-shaped, for internal combustion engines : en fr
  • US2376238A - Adjustable standard : en
  • AU764042A - Mulling apparatus with rubber lining : en
  • CH237729A - Process for the production of a condensation product from cellulose xanthate and formaldehyde. : de en
  • CA427565A - Internal combustion engine : en fr
  • US2375891A - Resistance switch : en
  • ES11463U - Unreleased bottle (Machine-translation by Google Translate, not legally binding) : en es
  • ES169024A1 - IMPROVEMENTS IN DYEING MACHINES, DENOMINATED "SINGGERS", APPLIED TO THE TEXTILE INDUSTRY, OF COMPLETELY MECHANICAL AND AUTOMATIC OPERATION : en es
  • ES169079A3 - IMPROVEMENTS IN THE CONSTRUCTION OF PRESSES TO MANUFACTURE BAQUELITE ARTICLES : en es
  • FR52718E - Process for extracting zinc from solutions containing it : en fr
  • US2375968A - Black spot correcting means : en
  • US2376041A - Beam clamp : en
  • GB569336A - Improvements in or relating to endless tracks for vehicles : en
  • ES169362A1 - PROCEDURE FOR OBTAINING ORGANIC COMPOUNDS : en es
  • ES169488A1 - NEW PROCEDURE FOR THE OBTAINED, IMPROVED, OF CINEMATOGRAPHIC SOUND FILMS : en es
  • FR898965A - Electric iron for ironing gathered fabrics and sleeves : en fr
  • US2376093A - Collet chuck : en
  • GB569212A - Improvements in and relating to the manufacture and production of artificial filaments, threads, films and the like : en
  • CH237603A - Bayonet lock on a sheet metal container. : de en
  • FR898962A - Process for obtaining products with high gelifying power : en fr
  • US2375828A - Printing telegraph receiver : en
  • US2375941A - Sound reducing device for beds : en
  • FR899073A - Method and device for spraying liquids, such as paints, varnishes and other similar liquids, for coating surfaces : en fr
  • FR52706E - Device for closing bays : en fr
  • FR898975A - Improvements to artificial teeth : en fr
  • ES8256Y - Cast iron plate for burners. : en es
  • FR52722E - Ultra-shortwave magnetron enhancements with anode split into four or more segments : en fr
  • AU119908B2 - Propeller fans : en
  • FR52681E - Apparatus for the treatment of inorganic or organic substances and methods carried out using said apparatus : en fr
  • US2375804A - Azo compounds and material colored therewith : en
  • US2376311A - Photoelectric recording system : en
  • CA427585A - Alkylation process : en fr
  • GB569325A - Improvements in or relating to post or letter cards : en
  • ES11385U - A special label or tag applicable to register the sale of products (Machine-translation by Google Translate, not legally binding) : en es
  • US2376117A - Doorstop : en
  • US2376216A - Sewing machine and method of operating the same : en
  • CA427492A - Delay electric blasting cap : en fr
  • FR52734E - Mixture separation process : en fr
  • IE16823L - Tractor clutch operating attachment : en
  • DK63492C - Procedure in the manufacture of fibreboard. : da en
  • ES11454U - File. (Machine-translation by Google Translate, not legally binding) : en es
  • FR899022A - Film holder for endless sound films wound in reels : en fr
  • US2376319A - Textile printing paste : en
  • FR52693E - Manufacture of wire mesh with smooth chains and undeformable meshes : en fr
  • FR899089A - Bicycle handlebar grip : en fr
  • FR52663E - Gas mixer for internal combustion engine : en fr
  • FR52674E - Process for the preparation and isolation of complex salts from 2-3-diketo-1-gulonic acid : en fr
  • ES169497A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF SEMIBADANA FOR FOOTBED TEMPLATES AND OTHER USES : en es
  • US2375767A - Dihydronordicyclopentadienyl ethers of ether alcohols : en
  • US2375925A - Aircraft structure : en
  • GB569285A - Piezo-electric device : en
  • FR52743E - Fast reading ohmmeter : en fr
  • GB569309A - Improvements in or relating to electromechanical timing arrangements : en
  • US2376033A - Keto esters : en
  • CA427540A - Current limiting fuse : en fr
  • CA427588A - Coating device : en fr
  • CH237725A - Process for the preparation of a new monoazo dye. : de en
  • ES169502A1 - SPECIAL AUTOMATIC CALCULATION DEVICE FOR THE DETERMINATION OF EFFORTS IN HYPERTESTIC STRUCTURES : en es
  • AU129270B2 - Installation for the automatic control of a vehicle driven by an internal combustion engine : en
  • ES11451U - An installation to produce electric current for the charge of accumulators (Machine-translation by Google Translate, not legally binding) : en es
  • ES169610A1 - PROCEDURE FOR OBTAINING AEROSOLS : en es
  • US2376160A - Supercharged compression-ignition internal-combustion power unit : en
  • FR899005A - Gas or steam turbine with vanes arranged co-axially with respect to each other : en fr
  • ES169193A3 - A PROCEDURE FOR MAKING THE INTIMATE CONTACT OF FILMS OR THE LIKE : en es
  • US2375806A - Float valve : en
  • USD141238S - Design fob a bridge compact : en
  • CH237583A - Device for straightening gutters. : de en
  • CH237614A - Outlet device for the ground material on mills with a high-speed grinder. : de en
  • US2375787A - Single knob price setting mechanism : en
  • US2376221A - Method of and apparatus for degassing liquids : en
  • USD141206S - Design fob a ceibbage board : en
  • CA427506A - Aryl disubstituted alkylol guanidine : en fr
  • US2375842A - Printing machine : en
  • US2376013A - Motion effecting mechanism : en
  • CH237631A - Method and device for producing a watertight connection of the edges of paraffin-impregnated paper sheets. : de en
  • CH237667A - Sander. : en fr
  • CH237671A - Hydraulically operated control device for systems, machines, devices and the like. : de en
  • CA427562A - Magnesium chloride liquor : en fr
  • GB569242A - Improvements in or relating to abrasive wheels : en
  • CH237647A - Temperature sensor. : de en
  • CH237717A - Pressure medium brake, in particular for railways. : de en
  • ES168778A1 - IMPROVEMENTS IN SAFETY SHAVING MACHINES : en es
  • US2376133A - Plastic cement : en
  • USD141190S - Design for a combined dispensing and article display cabinet : en
  • CA427470A - Arc welding circuit regulating apparatus : en fr
  • CA427477A - Rotary pump : en fr
  • US2375911A - Variable inductance tuning : en
  • US2376299A - Reversible hoist motor : en
  • US2375757A - Regulation of catalytic activity : en
  • US2375970A - Hydraulic drawbar lift for tractors : en
  • US2376029A - Boiler feed water regulation : en
  • US2375795A - Carbon black process : en
  • CH237670A - Hair clipper. : de en
  • ES11380U - Assembly of two tubes or bars with any inclination. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169581A2 - A NEW SYSTEM OF SULFATING APPARATUS POWERED BY CAVALRY : en es
  • GB569224A - Improvements in thermionic valves : en
  • GB569290A - Improvements in or relating to means for controlling power operated ailerons and like aerofoils : en
  • US2375983A - Explosive projectile : en
  • US2376007A - Lawn sprinkler : en
  • US2376183A - Photoprinting mask : en
  • US2376205A - Process for producing olefinic compounds : en
  • US2375939A - Babbitting appliance : en
  • CH237630A - Book of forms for cashless payment transactions. : de en
  • CA427572A - Electric water heater : en fr
  • USD141247S - Design for a stuffed tot dog : en
  • AU1080943A - Production of improved skins : en
  • AU1467644A - Bottom plate for mulling apparatus : en
  • US2376227A - Aerial bomb : en
  • US2376308A - p-cymene from monocyclic terpenes : en
  • USD141266S - Design for a plastic box ob the like : en
  • CH237644A - Dial indicator. : en fr
  • DK63484C - Method for Manufacturing Sliding Machine Parts Affected at Higher Temperatures. : da en
  • US2376035A - Facsimile apparatus : en
  • CA427467A - Two-way plough : en fr
  • AU119922B2 - Improvements in and relating togas pressure controllers : en
  • US2375990A - Tentering machine : en
  • US2376192A - Coloe-foeming compounds having : en
  • USD141213S - Casing for a calculating machine or the like : en
  • USD141228S - Towel cabinet or similar article : en
  • US2375765A - Filter unit : en
  • US2376006A - Navigation instrument : en
  • US2376074A - Electric protective arrangement : en
  • GB569307A - Removal of fluorine from water : en
  • US2375936A - Lehr loader : en
  • US2376317A - Vibration isolator : en
  • ES168965A1 - A PNEUMATIC COMPRESSOR APPARATUS TO PRODUCE BLOOD RETENTION IN VENOUS PUNCTIONS : en es
  • GB569344A - Improvements in or relating to looms of the type employing gripper shuttles : en
  • CA427466A - Scissors : en fr
  • CH237645A - Depth. : de en
  • US2376256A - Packaging method : en
  • USD141196S - Design for an eyeshield or similar article : en
  • ES169548A1 - DEVICE, WITH ITS INHERENT DEPOSIT, FOR THE OBTAINING OF HYPOCHLOROUS ACID IN AQUEOUS DISSOLUTION : en es
  • GB569328A - Improvements in or relating to devices for applying buoyancy or a tilting force to objects in water : en
  • USD141208S - Design fob a handbag : en
  • US2375987A - Polymerization of conjugated dienes : en
  • ES11436U - Metal lounge chair (Machine-translation by Google Translate, not legally binding) : en es
  • ES11425U - New shaver. (Machine-translation by Google Translate, not legally binding) : en es
  • CH237618A - Process for removing hydrochloric acid from mixtures thereof with chlorine and chlorinated compounds. : de en
  • US2375837A - Overhead door guiding mechanism : en
  • US2375964A - Oil-soluble resins : en
  • ES11133U - Pasta combs (Machine-translation by Google Translate, not legally binding) : en es
  • FR52750E - DC voltage measuring device : en fr
  • CH237679A - Liquid ring pump for gaseous fluids. : en fr
  • ES168733A1 - IMPROVEMENTS IN THE MANUFACTURE OF STYLLOGRAFTS : en es
  • US2376287A - Sandblasting nozzle : en
  • FR899042A - Coupling for transmission shafts usable in particular for drilling pump shafts : en fr
  • FR52651E - Fuel agglomerates and manufacturing process : en fr
  • GB569327A - Improvements relating to generators of frequency modulated oscillations : en
  • GB569279A - Improvements in or relating to the measurement of the transmission characteristics of electrical apparatus : en
  • FR899009A - Container for materials to be sterilized : en fr
  • GB569281A - Improvements in screening arrangements for radio, television and like apparatus : en
  • GB569248A - Improvements in aviation trainer : en
  • DK63485C - Magasingrammofon. : da en
  • ES8221Y - Electric switch. : en es
  • GB569263A - Improvements in incandescent electric lamp bulbs : en
  • ES11410U - Soccer-calendar finder. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569304A - Improvements connected with cartridges for bomb-throwers or mortars : en
  • FR899078A - Automatic record changer for phonographs, pick-ups and similar devices : en fr
  • ES169546A1 - A PROCEDURE FOR THE MANUFACTURE OF PLATES OR SHEETS OF CELULOID BY REGENERATING WASTE OF THE SAME : en es
  • ES169569A1 - IMPROVEMENTS IN THE CONSTRUCTION OF SECURITY LOCKS : en es
  • FR52726E - Process for the preparation of condensation products of phenolformaldehyde soluble in hydrocarbons and in neutral oils, resins or varnishes : en fr
  • GB569270A - Improvements in power plants : en
  • FR52709E - Process for obtaining a gas for the manufacture of synthetic liquid fuels from lignite and similar fuels : en fr
  • GB569337A - Bearings : en
  • FR899092A - Rotating shuttle for sewing machine : en fr
  • ES11411U - Articulated splint, with mobile upper plane, for special medical and surgical treatments. (Machine-translation by Google Translate, not legally binding) : en es
  • USD141199S - Combined lipstick case and shade indicator : en
  • US2376084A - Play ball and method in making the same : en
  • USD141232S - Design for a window defrosting nozzle : en
  • USD141226S - Closure hood for beverage bottles : en
  • US2376215A - Alternating current control apparatus : en
  • CH237622A - Process for the production of a condensation product. : de en
  • ES169538A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF SEPARATORS OF SECTIONS OF TRACTION THREADS : en es
  • FR52705E - Preparation of crude and purified nucleinic acid and its salts including pure sodium nucleinate, from residual yeasts from breweries : en fr
  • GB569274A - Improvements in or relating to fuel conditioning means and heating devices includingsuch means : en
  • ES11415U - Bottle-container (Machine-translation by Google Translate, not legally binding) : en es
  • ES11447U - Bolt for stringers and folding bars. (Machine-translation by Google Translate, not legally binding) : en es
  • US2376080A - Mechanical time fuse for ordnance equipment : en
  • ES10943U - Rotating cutter mold for cutting, according to form, the mass for the manufacture of dry and analogous pastes. (Machine-translation by Google Translate, not legally binding) : en es
  • FR52653E - Hollow brick for the construction of large walls or partitions : en fr
  • FR52699E - Control device for brakes, derailleurs and other components for bicycles : en fr
  • FR898997A - Fan fin and its manufacturing process : en fr
  • FR52714E - Preparation of a brightening agent from pine oil : en fr
  • FR899060A - Head for fixed pressurized liquid extinguisher : en fr
  • DK63476C - Apparatus for Pressing Pipes in the Soil. : da en
  • ES169348A1 - PROCEDURE FOR THE OBTAINING OF A PRODUCT FOR THE TREATMENT OF YOUNG PLANTS TO INCREASE HARVESTING : en es
  • ES11426U - Hanger hanger (Machine-translation by Google Translate, not legally binding) : en es
  • ES168917A1 - AN AUTOMATIC ELECTRO-MAGNETIC FLASHLIGHT : en es
  • ES169565A3 - IMPROVEMENTS IN THE MOLDS USED FOR THE ELABORATION OF PIECES OF PLASTIC MATERIAL : en es
  • GB569264A - Improvements in pipe couplings : en
  • USD141205S - Design for an eyeshield or similar article : en
  • US2375870A - Control system : en
  • US2375963A - Process of manufacturing lightpolarizing material : en
  • FR899055A - Process for the concentration of spinning baths : en fr
  • US2375838A - Insoluble cellulose derivatives and processes for their production : en
  • FR899076A - Multi-layered materials for color photography : en fr
  • US2376004A - Combination belt and vest : en
  • US2376209A - Dew point indicator : en
  • ES169580A2 - A NEW PROCEDURE FOR CONSTRUCTION OF WALLS AND CEILINGS IN GENERAL : en es
  • FR52710E - Process for preparing formic acid : en fr
  • GB569230A - Improvements in railway rail-joints : en
  • GB569258A - Improvements in or relating to apparatus for testing the acidity of gases : en
  • FR52697E - Drill holder device, called a handpiece for dentists and other applications : en fr
  • DK63479C - Device for Vehicle Brakes, in particular Railway Vehicle Brakes, with Variable Gear Ratio for Setting this in Dependence on the Vehicle Load. : da en
  • US2376090A - Process for polymerization of diolefins : en
  • US2375749A - Process for manufacturing ironfree magnesium sulphate from certain minerals : en
  • US2375797A - Carbon black process and apparatus : en
  • DK63480C - Tuning device for radios. : da en
  • GB569256A - Photographic reflex cameras fitted with exposure meters : en
  • US2375779A - Shirt : en
  • US2376224A - Ol reaction : en
  • US2375975A - Means for detachably connecting a raceway member to the stationary frame of a machine : en
  • US2376258A - Heddle bar support : en
  • US2376003A - Packaging apparatus : en
  • AU1082843A - Improvements in and relating togas pressure controllers : en
  • USD141192S - Combined dispensing and article display cabinet : en
  • US2376230A - Sash ventilator : en
  • US2376251A - Device for pulling steel pins : en
  • FR52719E - Method and device for starting vehicles with internal combustion engines : en fr
  • FR52704E - Belt enhancements for the correction of ptosis of the stomach, intestine and others : en fr
  • CA427517A - Gyro erecting mechanism : en fr
  • US2375997A - Method of making woven resistance units : en
  • FR899018A - Children's romper : en fr
  • FR898960A - Diffusion apparatus for the automatic extraction of useful soluble principles from plants or other materials : en fr
  • ES169509A3 - ELECTRICAL INSULATING ELEMENTS JOINT DEVICE : en es
  • US2376059A - Diolefin production : en
  • US2376091A - Immersion control : en
  • US2375898A - Process for the production of substantially anhydrous calcium nitrate : en
  • US2375907A - Invalid transfer device : en
  • FR899086A - Device for dispensing a product, such as blood, in particular for feeding fry : en fr
  • ES169551A1 - TELEGRAPH RECEIVER WITH REGULATION OF THE FADING : en es
  • US2375798A - Carbon black process : en
  • US2375946A - Control system : en
  • USD141230S - Combination hoisting and excavating machine power unit : en
  • USD141251S - Design fob a tablecloth : en
  • US2376184A - Coating apparatus : en
  • US2376196A - Ionization chamber : en
  • US2376310A - Dimethyl styrene from monocyclic terpenes : en
  • US2375897A - Shock absorber : en
  • US2376072A - Rivet operable by means of hammer blows : en
  • GB569311A - Improvements in or relating to fluid pressure operated ram and cylinder apparatus : en
  • US2376226A - Knife : en
  • ES169063A2 - IMPROVEMENTS IN THE OBJECT OF PATENT NO. 167246 : en es
  • ES11428U - Electric lantern (Machine-translation by Google Translate, not legally binding) : en es
  • ES169479A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF WATCHES : en es
  • ES169599A1 - PROCEDURE FOR THE OBTAINATION OF SULPHONATED ALIPHATIC ACIDS AND THEIR STERES : en es
  • FR899051A - Turbine : en fr
  • US2376149A - Gas generator charged with solid combustible fuel : en
  • AU1094343A - An improved panel locking catch : en
  • US2376126A - Frequency modulated wave discriminator : en
  • US2375752A - Coating compositions : en
  • FR52670E - Wheelbarrow with variable fulcrum and track : en fr
  • US2375776A - Electrical prospecting system : en
  • US2375969A - Railway traffic controlling apparatus : en
  • US2375888A - Skip bar for business machines : en
  • CA427511A - Rail bond : en fr
  • CH237613A - Device for automatically moving at least one of the cylinders of a grain mill with respect to the other. : en fr
  • CA427571A - Injection moulding powder : en fr
  • CA427582A - Electric cooking apparatus : en fr
  • CH237660A - Three-jaw chuck. : de en
  • US2376094A - Apparatus for conditioning cotton seed : en
  • US2375977A - Preparation of alumina from clay : en
  • CA427587A - Production of motor fuel : en fr
  • US2376255A - Printing press : en
  • US2376234A - Registering device for weighing apparatus : en
  • ES11386U - Rubber rolling mills. (Machine-translation by Google Translate, not legally binding) : en es
  • AU865343A - Improvements in and relating tothe manufacture of magnesium : en
  • CA427526A - Titanium oxide pigment : en fr
  • US2376282A - Nonskid attachment for crutches or canes : en
  • FR899063A - Band brake : en fr
  • GB569348A - Improvements in lubricants and cooling emulsions particularly for wire-working : en
  • CA427596A - Centrifugal pump : en fr
  • US2375867A - Alkylation of isoparaffins : en
  • US2376052A - Device for aerating and dispensing liquid products : en
  • CA427557A - Generator core mounting : en fr
  • US2375756A - Catalysis : en
  • CH237646A - Measuring device for fine drill holes. : de en
  • US2376114A - Bed : en
  • CH237709A - Capacitive switching element of ultra-short wave technology arranged between two conductor rod ends. : de en
  • CH237716A - Protective device on bicycle cranks. : de en
  • US2376156A - Pressure gauge : en
  • DK63493C - Map machine. : da en
  • CH237617A - Device for heating liquids to separate the volatile components from less volatile or non-volatile components. : de en
  • US2375985A - Shaft seal : en
  • US2376223A - Lead sulphide catalysts : en
  • CA427475A - Ground breaking attachment for lister ploughs : en fr
  • US2376145A - Gas analysis : en
  • FR899070A - Finned tube heat exchanger, with steel plate fins in the form of wire wheels : en fr
  • GB569284A - Improvements in and connected with electric tumbler switches : en
  • US2376231A - Pipette : en
  • FR899043A - Assembly device for the production of a tilting voltage, linear in time and symmetrical with respect to the earth, for the deflection of the electron beam in the braun tubes : en fr
  • ES11449U - A screw without nut (Machine-translation by Google Translate, not legally binding) : en es
  • ES8261Y - Device for viewing stereoscopic images. : en es
  • ES8303Y - Toy with manual movement. : en es
  • CA427504A - Monosubstituted cyanamide : en fr
  • US2376288A - Electron discharge tube : en
  • CA427556A - Thermionic device : en fr
  • US2375849A - Shoe for cutter bars : en
  • US2376182A - Reversing mechanism for engines : en
  • CH237723A - Process for the preparation of a new monoazo dye. : de en
  • AU119925B2 - Improvements in or relating tothe cooling of pistons : en
  • CH237641A - Board game. : en fr
  • CA427574A - Photographic recording device : en fr
  • CH237689A - Boilers for oil-filled electrical apparatus, in particular transformers. : de en
  • CA427488A - Gaseous fuel manufacture : en fr
  • CA427499A - Guanyl urea formate production : en fr
  • ES11414U - Closing device electromagnetically operated remotely. (Machine-translation by Google Translate, not legally binding) : en es
  • US2376100A - Machine tool : en
  • US2376261A - Toy : en
  • USD141239S - Combined air vent and fluid outlet can punch : en
  • CA427546A - Circuit interrupter : en fr
  • CA427544A - Circuit breaker : en fr
  • FR52742E - Process for increasing the mechanical strength of layers bearing photographic images during image formation in baths : en fr
  • GB569294A - Improvements in electrolytic cells : en
  • US2376112A - Amination of dihydric phenols : en
  • USD141217S - Design fob a night latch or similar article : en
  • US2376002A - Cutter for sprouts or tree suckers : en
  • US2376124A - Valve : en
  • FR52724E - Wooden sole support for shoes and slippers : en fr
  • US2375958A - Chlorinated rubber : en
  • US2375960A - Electrical insulation : en
  • US2376132A - Colored photographic mask : en
  • USD141260S - Design for a savings bank : en
  • ES8206Y - Pants and briefs for men. : en es
  • US2376113A - Elevator system : en
  • US2376303A - Measuring and indicating apparatus for machine tools : en
  • US2375947A - Sleeve ironer : en
  • USRE22641E - Work holding device : en
  • CA427465A - Boat propulsion device : en fr
  • AU2068145A - Improvements in or relating to electrical switches : en
  • USD141231S - Design for a beach chair : en
  • CA14080S - Telephone coin collector shelf mounting : en
  • CH237582A - Line reel for fishing rods. : de en
  • US2375824A - Polishing composition : en
  • USD141240S - Combined display container and bottles : en
  • US2375814A - Coated abrasive : en
  • FR52671E - Improvements to cable traction drive systems for machinery or cultivation tools : en fr
  • US2375938A - Differential control mechanism : en
  • US2375839A - Aqueous tint finish : en
  • US2375772A - Strontium peroxide and method of manufacturing same : en
  • US2375841A - Furnace wall construction : en
  • US2376197A - Shaver : en
  • US2376070A - Continuous production of aldol : en
  • GB569235A - Aluminothermic or like process for the production of alloys : en
  • ES169484A3 - NEW CLOSING DEVICE FOR CALCIUM CARBIDE LAMPS : en es
  • GB569275A - Improvements in or relating to bayonet joints : en
  • US2375862A - Apparatus for serving strands upon articles : en
  • US2375845A - Garment : en
  • CA427489A - Cigarette roller : en fr
  • CA427580A - Draft and buffing gear : en fr
  • CH237591A - Siphon filter, especially for sinks. : en it
  • US2376095A - Dehydrating process : en
  • USD141241S - Design fob a fruit juice extractor : en
  • CH237693A - Electrical resistance grid. : de en
  • US2375785A - Two speed generator drive : en
  • US2376214A - Flexible piston for internalcombustion engines : en
  • US2376301A - Device for controlling the opening and closing of a variable shutter for cinematographic photographing apparatus : en
  • GB569265A - Improvements in or relating to relay or follow-up devices : en
  • US2375825A - Polishing compositions : en
  • CA427494A - Dialkyl cyanamide compound : en fr
  • ES11442U - Folding frame for glasses. (Machine-translation by Google Translate, not legally binding) : en es
  • FR899007A - equipment for automatic radio guidance, in particular for aircraft : en fr
  • FR899050A - Magnesium alloys : en fr
  • AU1005143A - Improvements in color photography using metallic salt coupler compounds : en
  • CA427536A - Resistance welding electrode : en fr
  • CH237665A - Impregnation process for wood and other cellulosic materials. : en fr
  • CH237661A - Semi-automatic threading machine. : de en
  • US2375832A - Sprinkler head : en
  • CA427561A - Magnetic drain plug : en fr
  • CA427547A - Circuit controller : en fr
  • FR899030A - Method and device for the preparation of cotton fibers from flax fibers cut to specified or even uncut lengths : en fr
  • CH237732A - Arrangement for displaying a television picture. : de en
  • CH237634A - Device for adjusting two cylinders against each other in the circumferential direction in the rotating state. : de en
  • US2375868A - Preservative composition and method : en
  • US2376152A - Spool for surgical sutures : en
  • US2375912A - Mower : en
  • US2376242A - Concentration of ores : en
  • GB569346A - Improvements in and relating to the decomposition of chemical compounds by electronic bombardment : en
  • US2376286A - Process of making long chain intermediates : en
  • US2376069A - Adhesive applying machine : en
  • CA427510A - Terpenyl cyanamide : en fr
  • US2376017A - Gland : en
  • US2375961A - Moccasin blank : en
  • US2376210A - Alloy suitable for use as a bearing : en
  • US2376239A - Recovery of olefins : en
  • USD141258S - Diamond or similar article : en
  • CA427482A - Metal strap attaching method : en fr
  • CH237637A - Process for coloring sound film copies. : de en
  • AU1146443A - Improved electrical water heater element : en
  • ES169573A1 - IMPROVEMENTS IN THE CONSTRUCTION OF FIRE EXTINGUISHERS : en es
  • FR899025A - Device, in particular relay, comprising an electromagnet : en fr
  • CA427538A - Phosphorous copper alloy : en fr
  • AU1131143A - Improvements in magnetic devices for transmitting energy : en
  • ES169614A1 - A PROCEDURE FOR ELEVATING LIQUIDS BY ACTION OF THE VACUUM PRODUCED BY WATER VAPOR : en es
  • ES169347A1 - A PROCEDURE FOR THE OBTAINING OF MEDICAL AND VEGETABLE LIVER OIL : en es
  • FR52654E - Drip device with guide stopper for flow : en fr
  • GB569296A - Improvements in or relating to the electrical measurement of short time intervals : en
  • CH237714A - Pneumatic tires for bicycles. : de en
  • CH237650A - Current transformer for very high voltage. : de en
  • AU959343A - Ionic exchange operations : en
  • CH237581A - Pest control methods. : de en
  • CA427493A - Dialkyl cyanamide : en fr
  • US2376180A - Display poster : en
  • US2376019A - Boom stop : en
  • ES169498A1 - PROCEDURE FOR THE MANUFACTURE OF A MATERIAL IMITATING LEATHER OR LEATHER : en es
  • FR899080A - Gasifier : en fr
  • GB569330A - Improvements in or relating to mechanism for operating the hood of the pilot's cabinof aircraft : en
  • GB569342A - Improvements relating to apparatus for testing the corrosion resistance and durability of metals, metallic coatings, protective compositions and other protective finishes generally in liquid and other environments : en
  • USD141277S - Design fob a slipper : en
  • FR898985A - Automatic safety device, supplementing the lubrication indicators of machines lubricated by circulating oil under pressure : en fr
  • FR52715E - Hydrodynamic torque transformer, especially for motor vehicles : en fr
  • FR52737E - Anti-slip lining, especially for rubber blocks of endless vehicle chains : en fr
  • US2376203A - Molding machine : en
  • US2376228A - Nonicing carburetor : en
  • GB569308A - Improvements in and relating to vitreous compositions : en
  • GB569271A - An improved footstep or bottom bearing chiefly designed for use in electric meteringinstruments : en
  • GB569287A - Improvements in or relating to stays for doors : en
  • GB569238A - An improved mounting for an electric hot plate or like unit relative to its terminalconnections, particularly applicable to electric ovens or other cooking apparatus : en
  • ES11462U - New double pointed nail (Machine-translation by Google Translate, not legally binding) : en es
  • FR898986A - Derailleur for bicycles and the like : en fr
  • AU129323B2 - Improvements in or relating to electrical switches : en
  • ES11461U - Unbreakable eyes for dolls. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569227A - Improvements in or relating to diamond tools : en
  • US2376248A - Telegraph system : en
  • ES169547A3 - A VERTICAL BOILER SYSTEM WITH A RIBBED HEART : en es
  • FI20601A - Förstyvad takfilt : en fi
  • ES11456U - Improved hinge for glasses. (Machine-translation by Google Translate, not legally binding) : en es
  • FR52720E - Cleaning product : en fr
  • GB569323A - Improvements relating to diving equipment : en
  • ES169396A1 - A NEW WINDING MACHINE : en es
  • ES8040Y - Gasifier for benzine and other similar liquid fuels. : en es
  • US2375896A - Cot fastener : en
  • US2376053A - Rotary buffing tool : en
  • ES8253Y - Dough cutting machine for bakeries, pastry shops and the like. : en es
  • CH237704A - Circuit arrangement in telephone systems with dialer operation and coin-operated telephones. : de en
  • ES11348U - Mechanism applicable to the construction of toys. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169504A1 - A DISPOSITION IN INTERNAL COMBUSTION ENGINES : en es
  • FR899026A - Adjustable anode electrolyser : en fr
  • GB569340A - Improvements in or relating to the shaping of thermoplastic sheets : en
  • CH237639A - Pen holder with reservoir. : en fr
  • US2376116A - Paper strip lighter : en
  • FR898957A - Photomodulator device : en fr
  • FR899053A - Reduction of gases and fumes from boilers and fireplaces various complete combustion cycle of engine gases by the use of exhaust gases : en fr
  • GB569321A - Improvements in or relating to electrical measuring or recording instruments : en
  • GB569219A - Improvements in or relating to aerial merry-go-rounds : en
  • US2376284A - Beach dressing tent : en
  • ES11299U - Drawings to illuminate, (Machine-translation by Google Translate, not legally binding) : en es
  • US2375956A - Device for removing casings from truck wheels : en
  • US2376054A - Preparation of amino alcohols : en
  • ES168777A1 - IMPROVEMENTS IN THE DEVICES FOR SHARPENING SHEETS : en es
  • US2375791A - Telephone station circuit : en
  • CA427549A - Tension roll drive : en fr
  • FR899002A - Process for the treatment, in centrifuges, of strongly foaming liquids : en fr
  • FR52744E - Permanent Magnet Filter Cap : en fr
  • FR899014A - Film machine for finished and endless films : en fr
  • US2376274A - Gas burner : en
  • FR898990A - Variable track width railway car axle : en fr
  • FR898981A - Gas and air mixer for engines powered by gasifier : en fr
  • ES8224Y - Special scale for domestic uses. : en es
  • GB569303A - Improvements in radio receivers for direction-finding : en
  • DK63478C - Process for the Preparation of (Aminomethylphenyl) -sulfones substituted in the sulfone group. : da en
  • US2376047A - Electrophoretic coating mixture : en
  • US2376048A - Cinder notch stopper : en
  • US2376212A - Elastic fluid turbine arrangement : en
  • US2375905A - Pharmaceutical preparations possessing surface-active properties : en
  • US2376023A - Construction of bridges and other metal frame structures : en
  • CA427533A - Circuit breaker : en fr
  • US2376167A - Fastener : en
  • ES8239Y - A folding last that can be used for footwear in different sizes : en es
  • FR52695E - Reinforcement device for traction power lines : en fr
  • US2376314A - Wiring and the like clip device : en
  • FR898953A - Process for the preparation of substances with a reinforced oligodynamic effect : en fr
  • US2375908A - Invalid transfer device : en
  • FR898954A - Process for the production of yeast-like fungi, particularly suitable for feeding animals : en fr
  • FR899046A - Process for obtaining sugar from molasses : en fr
  • GB569252A - Improvements in and relating to dynamo electric machines : en
  • FR898979A - New hair drying process and related apparatus : en fr
  • GB569356A - Improvements in variable speed gear : en
  • FR898989A - Method and apparatus for the treatment of solids in a high frequency field : en fr
  • FR899048A - Holder for electric lamp socket, especially for spotlights : en fr
  • FR52676E - Portable motor-reducer assembly more particularly for farm equipment : en fr
  • CA427483A - Stove fire box and grate : en fr
  • AU1467744A - Receptacle for mulling apparatus : en
  • USD141246S - Design fok a stuffed toy calf : en
  • US2375769A - Strap stretching and sealing apparatus : en
  • US2375869A - Segmental packing ring : en
  • CA427592A - Hollow valve manufacture : en fr
  • ES169542A1 - PROCEDURE TO AVOID THE MUTTING AND PROJECTING THE MASSES MOLDED WHEN OBTAINING FERROVANADIO BY ALUMINOTERMIA : en es
  • GB569228A - Sulphanilamide derivatives : en
  • GB569283A - Improvements in and connected with the metal sheathing of cores by extrusion : en
  • US2376266A - Mechanical rosary : en
  • ES169501A3 - A CALANDRIA FOR COMBING AND IRONING THE HAIR OF ANIMAL SKINS AFTER TANNING : en es
  • US2376247A - Garment : en
  • US2375879A - Toy pistol : en
  • US2376185A - Closure of collapsible containers : en
  • US2375915A - Process for the preparation of anhydrous compounds of the pentitols : en
  • US2375754A - Trailer : en
  • US2375793A - Printing press : en
  • US2375965A - Portable power-driven conveyer : en
  • FR52660E - Economical insecticide : en fr
  • FR52729E - Darkroom for trichrome photography : en fr
  • FR898973A - Process for manufacturing consumer articles from products of plant origin : en fr
  • CA427591A - High altitude fuel system for aircraft : en fr
  • US2375805A - Coating machine : en
  • ES8263Y - Sole for women's and children's shoes. : en es
  • ES8267Y - Retention device for infantile umbilical hernias. : en es
  • FR899061A - Dispenser for pressurized liquid fire extinguishers : en fr
  • FR899085A - Plastic plaster more particularly prepared for the building industry : en fr
  • GB569318A - Improvements in traps for animals : en
  • USD141216S - Combination baby walker and stroller : en
  • ES11452U - An electric candle with a dry battery (Machine-translation by Google Translate, not legally binding) : en es
  • FR52739E - Mortar for coating construction parts : en fr
  • FR52736E - Cushion for the protrusion of the big toe : en fr
  • FR52747E - Process for preparing organic oxidants : en fr
  • CH237678A - Speed variator. : en fr
  • FR899069A - Circuitry for simultaneous operation of direct current and alternating current circuits on common conductors : en fr
  • FR898961A - Improvements to fuse circuit breakers : en fr
  • GB569237A - Improvements relating to sparking plugs : en
  • USD141204S - Design fob an eyeshield ob simelab article : en
  • GB569215A - A coating composition having fireproofing properties : en
  • ES167860A1 - PROCEDURE FOR PACKAGING FOOD PRODUCTS : en es
  • ES169595A3 - IMPROVEMENTS IN THE MANUFACTURE OF TURBINES FOR ARTIFICIAL SILK, BASED ON FIBROUS ELEMENTS IMPREGATED WITH ARTIFICIAL RESINS HARDENED BY HEAT : en es
  • FR898971A - Vertical feedwater heater for steam power plant : en fr
  • GB569322A - Improvements in or relating to means for sharpening safety razor blades : en
  • FR899058A - Advanced antenna device for directed communications device : en fr
  • CH237713A - Vehicle wheel tires. : de en
  • ES169491A1 - INSECTICIDE PROCEDURE, USING THE CARBON PRESSURE ANHYDRIDE, FOR THE GASIFICATION AND INCREASE OF ACTIVE POWER OF THE SUBSTANCES USED : en es
  • FR898983A - Sheet of writing paper forming an envelope : en fr
  • US2375948A - Direct current voltage amplifier : en
  • GB569225A - A new or improved adjustable gauge for taking internal measurements : en
  • US2376096A - Detergent composition : en
  • DK63491C - Procedure in the manufacture of a layer provided with a compressible gasket for hermetic closure of cans. : da en
  • ES169605A1 - HYDRAULIC REGULATOR, ESPECIALLY INTENDED FOR MACHINES DRIVEN BY HYDRAULIC FORCE : en es
  • US2376236A - Grinding machine : en
  • US2375796A - Process of making carbon black : en
  • ES167657A1 - A PROCEDURE, WITH THE CORRESPONDING INSTALLATION, FOR THE OBTAINING OF USEFUL WORK : en es
  • FR899097A - Three-position electric telecombinator : en fr
  • GB569221A - Making 5-sulphathiazole : en
  • US2375935A - Hair curl clip : en
  • US2376089A - Fastening device : en
  • GB569300A - Improvements in or relating to liquid pressure remote control systems : en
  • GB569362A - Improvements in garment supports : en
  • US2376039A - Packing : en
  • ES11406U - Chain perfected for transformation of vehicles in all-terrain vehicles. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8243Y - Perfected shuttle for power looms. : en es
  • FR899077A - Improvements to powdering methods used in agriculture : en fr
  • US2375831A - Hydraulic duplicating lathe attachment : en
  • US2376312A - Constant viscosity greases : en
  • USD141223S - Design fob a closure hood fob bevebage bottles : en
  • GB569266A - Improvements in and relating to golf clubs : en
  • ES169363A1 - NEW PROCEDURE FOR THE MANUFACTURE OF PAPER PASTE : en es
  • US2376061A - Process for the production of low-boiling diolefins : en
  • FR52667E - Process for the extraction of oily materials and by-products of cellulosic origin : en fr
  • FR899028A - Automatic safety device for presses or the like : en fr
  • GB569341A - Improvements in cartridge-belt feeding mechanism for automatic guns : en
  • ES169589A1 - LAMP OF PROJECTION OF INCANDESCENCE WITH REFLECTOR : en es
  • FR899045A - Superior quality hydrocarbon preparation process : en fr
  • FR898951A - Manufacturing process for elastic, waterproof and air-impermeable rubberized fabrics and knits : en fr
  • FR898967A - Improvements to vibrators, vibrators or similar compressed air devices : en fr
  • ES169500A1 - SOME IMPROVEMENTS IN THE UNITS OR EQUIPMENT FOR DENTAL CLINICS : en es
  • CA427529A - Disconnecting switch : en fr
  • CA427586A - Hydrocarbon processing : en fr
  • US2375953A - Alloy steel : en
  • US2376045A - Process for the purification of ammonium sulphate : en
  • USD141269S - Design fob a splash guabd : en
  • CA427541A - Circuit interrupter : en fr
  • CH237686A - Power plant with a gas turbine and several gas generators. : de en
  • CA427555A - Condenser control system : en fr
  • US2375854A - Heavy-duty disk brake : en
  • US2375930A - Car truck : en
  • CA427590A - Shirt cuff : en fr
  • US2376220A - Garment hanger : en
  • US2376225A - Telegraph transmission measuring system : en
  • US2375979A - Process of obtaining chorionic gonadotropic hormone : en
  • US2376071A - Centrifugal pump : en
  • US2376085A - Process and apparatus for making balls and improved balls : en
  • US2375835A - Wire twisting tool : en
  • US2375950A - Frequency divider : en
  • US2376217A - Color photography : en
  • US2376137A - Indexing means for rotary worktables : en
  • CH237658A - Metallic objects for electrical purposes. : de en
  • AU1069843A - Improvements in or relating to halogenation of aromatic hydrocarbons : en
  • USD141202S - Design for a rocking horse : en
  • USD141261S - Closure hood for beverage bottles : en
  • CH237642A - Entertainment game. : de en
  • US2376077A - Production of motor fuel : en
  • CH237694A - Electrical feed-through capacitor. : de en
  • ES169579A1 - NEW DISTRIBUTOR OF STOPS FOR ELEVATORS, LIFTS AND SIMILAR EQUIPMENT ELEVATORS : en es
  • US2376010A - Windshield wiper mechanism : en
  • USD141235S - Design for a propeller for diameter control : en
  • US2376146A - Still : en
  • CA427469A - Daylight lamp : en fr
  • CA427523A - Starting switch and lock-out device for lamps : en fr
  • US2376138A - Means for completing the packaging of berries or the like : en
  • GB569278A - Improvements in or relating to suspended filing equipment : en
  • GB569293A - Improvements in and relating to glass working apparatus and method : en
  • GB569313A - Improvements in cycle, motor cycle and like hooters : en
  • GB569326A - Improvements relating to die casting, injection moulding and like machines : en
  • GB569352A - Improvements in or relating to electric torches : en
  • CA427513A - Shoe tree : en fr
  • CA427545A - Circuit breaker : en fr
  • CA427507A - Guanidine ferricyanide complex : en fr
  • USD141191S - Combined dispensing and article display cabinet : en
  • US2376233A - Internal-combustion engine : en
  • AU1698444A - Method of preparing hydroxy metal soaps, and mixtures thereof with other compositions, including other metal soaps, and resulting products : en
  • US2375764A - Gyromagnetic compass controlling means : en
  • US2376110A - Machine for machining screw gears : en
  • AU2077345A - Improvements in or relating tothe manufacture of pest control compositions : en
  • CA427530A - Circuit interrupter : en fr
  • CH237606A - Process for the production of matt fibers from viscose. : de en
  • ES169481A3 - A PROCEDURE FOR OBTAINING HERMETIC PROTECTION FOR IDENTITY CARDS AND SIMILAR DOCUMENTS : en es
  • CA427542A - Current limiting fuse : en fr
  • AU119919B2 - Improved electrical water heater element : en
  • US2376306A - Mineral oil composition : en
  • CA427509A - Diaralkyl cyanamide : en fr
  • ES8273Y - Doll that crawls. : en es
  • FR898995A - Process for the preparation of new isothiocarbamidic derivatives : en fr
  • FR899091A - Wheeled tractor with cable winch : en fr
  • CA427521A - Condensation product : en fr
  • CH237697A - Low-frequency induction furnace, the transformer iron body of which has a laminated iron core, two yokes and at least one yoke connection serving as a magnetic yoke and in which furnace the primary winding is arranged within a gap between the iron core and the furnace masonry. : de en
  • ES169511A3 - INSULATOR TO IMMOBILIZE AND ELECTRICALLY ISOLATE TWO CONDUCTORS OR GROUPS OF CONDUCTORS CROSSING : en es
  • AU119899B2 - Improvements in or relating to apparatus for cooling or attemperating oil or other viscous liquids : en
  • AU119920B2 - Improvements in and relating to liquid meters, particularly water meters : en
  • CA427524A - Temperature control device : en fr
  • US2376292A - Fuel injection nozzle : en
  • US2376119A - Process for the alkylation of aromatic compounds : en
  • US2375962A - Method of producing motion-picture films : en
  • CH237728A - Process for the preparation of a water-soluble dye. : de en
  • US2375926A - Fly cutter : en
  • USD141264S - Design fob a snap lock ob similab article : en
  • US2375817A - Spring unit for upholstered furniture, mattresses, and cushions : en
  • US2375846A - Corn harvester : en
  • US2376147A - Piston and piston ring : en
  • ES169598A1 - A MACHINE TO RECTIFY TELARL LANZADERAS : en es
  • USD141274S - Design fob a suit : en
  • US2375858A - Airplane : en
  • US2375872A - Foot adjustment for cabinets : en
  • US2375934A - Reed : en
  • US2376154A - Plastics coned disk : en
  • US2375781A - Power transmission : en
  • CH237682A - Procedure for avoiding pumping of multistage centrifugal compressors. : de en
  • ES169490A1 - A NEW MECHANICAL SCRUBBER : en es
  • US2376066A - Gate lock : en
  • USD141209S - Design fob a propeller blade : en
  • ES8965Y - Suitcase or similar travel device that carries inside another smaller, removable and insertable analog package in the first without having to open it. : en es
  • ES8228Y - Electric oven. : en es
  • FR52698E - Device for operating rocking furnaces : en fr
  • GB569334A - Improvements in or relating to the extraction of fibrous plant material : en
  • FR899081A - Improvements to electric discharge tubes or incandescent lamps : en fr
  • US2375770A - Fountain pen : en
  • US2375943A - Ski-climber : en
  • US2376050A - Machine for knitting : en
  • CA427559A - Imitation mother of pearl : en fr
  • ES168154A1 - A SAFETY DEVICE FOR PNEUMATIC WHEELS : en es
  • US2375803A - Trimming machine : en
  • ES169560A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF AIRCRAFT CABINS : en es
  • DK63495C - Method of firing cement mortar for cement clinker, in which the firing of a mixture mixed with granulated material and granulated takes place according to the suction draft sintering method. : da en
  • FR898963A - Improvements to vaulted constructions by using prefabricated vibrated concrete elements : en fr
  • GB569357A - Improvements in or relating to thermostatic means for regulating the heat supply to liquid heating apparatus : en
  • US2375873A - Sterol and steroid esters : en
  • US2376134A - Air pipe coupling and retaining means : en
  • US2376158A - Surface treatment of zinc and cadmium : en
  • GB569333A - Improvements in or relating to the extraction of fibrous plant materials : en
  • ES11437U - Flange knot fixing support for shop windows. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11431U - Metal wire conveyor belt. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169615A1 - PROCEDURE FOR THE PREPARATION OF COLORABLE POLYZOIC DYES : en es
  • FR52725E - Cast iron, paving and reinforced concrete manhole covers : en fr
  • ES169132A1 - A MACHINE FOR THE DOMESTIC MANUFACTURE OF PASTA FOR SOUP : en es
  • FR898982A - Improvements to spark plugs for internal combustion engines : en fr
  • ES11336U - New type of gloves with transparent surfaces. (Machine-translation by Google Translate, not legally binding) : en es
  • US2375747A - Material handling cradle : en
  • US2375760A - Treatment of heat transfer salts : en
  • FR52696E - Lubrication regulator device : en fr
  • CH237612A - Pants insert to preserve the crease. : de en
  • ES169539A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF INSULATING RODS FOR TRACTION LINES OF TROLEBUS : en es
  • US2375783A - Power transmission : en
  • US2376012A - Driving arm mechanism : en
  • US2376276A - Safety razor : en
  • CH237593A - Baking or roasting oven with an oven hood. : de en
  • ES169413A1 - IMPROVEMENTS IN DEVICES FOR CURRENT CONDUCTION AND ELECTRODE SUSPENSION : en es
  • FR899064A - Hollow body, such as tube, conveyor screw trough, etc. : en fr
  • US2375778A - Apparatus for making geophysical explorations : en
  • US2376067A - Unsaturated carboxylic acids : en
  • ES8931Y - Handle of field cutlery and the like : en es
  • US2376298A - Apparatus for heating hard water : en
  • ES168075A3 - NEW PROCESS FOR THE MANUFACTURE OF NUMBERING DATING MACHINES WITH AUTOMATIC OPERATION : en es
  • GB569262A - Improvements in or relating to apparatus for the delivery of measured quantities of liquids : en
  • ES8250Y - Changeable cutting jaw bit for the mechanical manufacture of cork stoppers. : en es
  • IE16788L - Electric soldering tools. : en
  • US2375826A - Vortex separator apparatus for treating paper pulp : en
  • CA427581A - Internal combustion engine : en fr
  • US2375788A - Machine for assembling uppers and their lasts : en
  • US2376273A - Gas burner : en
  • ES169572A1 - PROCEDURE FOR OBTAINING A PRODUCT FOR PASTRY : en es
  • FR52679E - Beam formed by the coupling of hollow bodies of different shapes to better adapt them to their respective locations in the floor : en fr
  • FR899084A - Wooden sleepers, cut to keep the bottles in their transport case, and the tool to obtain this kind of cutting : en fr
  • IE16766L - Percussion tools. : en
  • ES8184Y - Heating stove. : en es
  • ES165477A1 - PROCEDURE FOR THE MANUFACTURE OF SOILS OR FLOORS OF REGENERATES OF RUBBER FOR ALPARAGATAS, SHOES AND SIMILAR SHOES : en es
  • FR52669E - Improvements to rotary machines, such as pumps, motors and compressors : en fr
  • FR899017A - Protection of starting resistors of induction motors, in particular motors with centrifugal starter, against overloads : en fr
  • FR899033A - Improvements in high frequency pulse message transmission methods : en fr
  • FR52661E - Core removing machine : en fr
  • FR899052A - Continuously variable speed change : en fr
  • GB569231A - Improvements in x-ray diaphragms for intercepting secondary radiators : en
  • ES169578A3 - A PROCEDURE FOR MAKING PHOTOGRAPHIC COPIES : en es
  • ES11381U - Regulator of the position of the edge of the leaves in the shavers. (Machine-translation by Google Translate, not legally binding) : en es
  • US2376264A - Compositions from vulcanizable gums and making same : en
  • US2376063A - Easel : en
  • CA427543A - Light weight electric iron : en fr
  • US2376075A - Stabilization of halobutenes : en
  • AU1111143A - Improvements in or relating to induction heating coils : en
  • US2376086A - Process for hydrogenation of olefins : en
  • AU2072345A - Installation for the automatic control of a vehicle driven by an internal combustion engine : en
  • US2375774A - Stabilization of rotenone preparations : en
  • US2375815A - Cathode ray tube : en
  • CA427577A - Hydrocarbon processing : en fr
  • CH237659A - Device for the control by pulse trains of body movement. : en fr
  • US2375954A - Alloy steel : en
  • CA427474A - Staple : en fr
  • US2375755A - Lead base alloy and cable sheath composed thereof : en
  • US2376186A - Method of preparation of cysteine and glutathione : en
  • US2376159A - Wire stitching machine : en
  • CA427520A - Condensation product : en fr
  • CH237657A - Waterproof watch. : en fr
  • ES169596A3 - MECHANISM FOR WINDING THE LINE ON THE REELS OF THE FISHING RODS : en es
  • US2376079A - Stoker signal : en
  • FR52685E - Knotters for binders : en fr
  • US2376206A - Blade dispensing container : en
  • FR899096A - Safety device for automatic firearms : en fr
  • ES11412U - Fastening without sewing. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569312A - Improvements in or relating to fluid pressure operated apparatus : en
  • US2376130A - Substituted naphthenyl hydroxy methane phosphonic acids : en
  • CA427600A - Lighter for smokers : en fr
  • ES11420U - Flytrap device. (Machine-translation by Google Translate, not legally binding) : en es
  • FR52684E - Two-speed gearbox : en fr
  • US2376125A - Phase modulation receiver : en
  • US2376201A - Protective arrangement : en
  • US2375808A - Electrode for luminous tubes : en
  • US2376280A - Locking mount : en
  • USD141248S - Textile fabric or similar article : en
  • FR52702E - Improvements to mixed heating tunnel kilns : en fr
  • FR898968A - Polychrome printing process on aluminum and its alloys and resulting products : en fr
  • FR899075A - Mounting arrangement for equalization of phase angles of two impedances : en fr
  • CH237688A - Gas heater. : de en
  • FR899088A - Improvements to variable tuning capacitors for frequency changing radios : en fr
  • AU2028445A - Machine tension device : en
  • GB569297A - An improved device for superposing signal currents on an alternating current power network : en
  • GB569351A - Improvements in brush lifting mechanism for electric motors : en
  • FR899037A - Ductile zinc alloy : en fr
  • CA427491A - Helical coil manufacture : en fr
  • US2376253A - Sealing machine : en
  • FR52745E - Fine crystal superphosphate manufacturing improvements : en fr
  • ES169485A2 - PROCEDURE TO MAKE TRANSPARENT NATURAL OR ARTIFICIAL FIBERS : en es
  • FR52749E - Process for the production of clichés for printing on the high-speed press : en fr
  • US2375878A - Calculating device : en
  • GB569319A - Improvements relating to electrical relays : en
  • FR898984A - Envelope intended to be used several times : en fr
  • GB569310A - Improvements in pivotal bearings for levers : en
  • ES11453U - New reel for fishing rod. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11304U - Improved hitch from sommier to headboard and footboard in metal beds. (Machine-translation by Google Translate, not legally binding) : en es
  • ES11459U - Tap. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569324A - Stamping die for sheet metal articles : en
  • US2375801A - Material moving implement : en
  • ES168797A1 - A NEW PROCEDURE FOR THE MANUFACTURE OF JEWELRY AND JEWELERY CASES : en es
  • FR899079A - Cartridge ejector for self-loading weapon : en fr
  • US2376245A - Means for covering cargo hatches and the like : en
  • FR898996A - Condensers upgrades : en fr
  • FR899039A - Basket with advanced articulated base : en fr
  • GB569335A - Improvements in or relating to the extraction of fibrous plant materials : en
  • USD141245S - Design fob a display box fob stationery : en
  • US2375761A - Treatment of alkali metal salts : en
  • US2376118A - Gauge mounting : en
  • USD141197S - Design for an eyeshield or similar article : en
  • US2376229A - Thread remover for weft replenishing looms : en
  • USD141229S - Design fob a toy submarine : en
  • CA427595A - Steam power plant closed feed system : en fr
  • US2375748A - Transmission mechanism for reciprocating engines : en
  • ES169606A1 - A PROCEDURE TO ACHIEVE PERMANENT RELIEF OR PADDING EFFECTS IN ANY CLASS OF TISSUES : en es
  • US2375802A - Pump construction : en
  • US2375976A - Listing calculator : en
  • USD141201S - Design for a creamer : en
  • USD141210S - Combined letter opener and magnifier : en
  • AU119896B2 - Crushers : en
  • CH237687A - Thermal power plant. : de en
  • CA427512A - Washing machine : en fr
  • CH237727A - Process for the preparation of a water-soluble dye. : de en
  • CH237592A - Process for electrically welding glass objects, and device for carrying out this process. : en fr
  • US2376168A - Well logging : en
  • CH237648A - Pressure relay. : en fr
  • CA427535A - Grounding connection : en fr
  • CH237720A - Device for operating ships. : de en
  • US2376028A - Pig racing apparatus : en
  • US2375993A - Shell carrier liner : en
  • US2376155A - Hydraulically operated hardness testing apparatus : en
  • US2376107A - Grave set : en
  • FR899083A - Aerial propeller ship : en fr
  • CA427516A - Baling apparatus : en fr
  • CH237620A - Process for preparing ethyl acetal. : en fr
  • ES169499A1 - NEW SUSPENSION SYSTEM FOR ARMCHAIRS, CHAIRS AND SIMILAR : en es
  • CA427487A - Industrial gas production : en fr
  • CA427514A - Slow make and break switch : en fr
  • CA427589A - Building structure : en fr
  • USD141255S - Design fob a cap : en
  • US2376241A - Card positioning means : en
  • US2376005A - Photographic emulsion and process of making same : en
  • GB569245A - Improvements in or relating to anti-friction screw-and-nut devices : en
  • US2375786A - Method of producing improved calcium sulphite : en
  • CH237633A - Expandable loose-leaf book. : de en
  • ES169561A1 - A PROCEDURE FOR THE PRODUCTION OF IRON FOUNDRIES : en es
  • CH237615A - Process and plant for the production of beer. : de en
  • USD141244S - Design for a diesel engine : en
  • US2375792A - Hammock : en
  • US2375988A - Control apparatus : en
  • US2376270A - Tree faller and undercutter : en
  • US2376195A - Amplifying apparatus : en
  • ES11419U - A pipe for smoking (Machine-translation by Google Translate, not legally binding) : en es
  • CH237589A - Process for manufacturing objects in vitrified insulating materials. : en fr
  • US2375782A - Power transmission : en
  • US2376040A - Electron tube : en
  • USD141233S - Wallen etal. window defrosting nozzle : en
  • US2375910A - Prefabricated building construction : en
  • US2376129A - Trigger control mechanism : en
  • US2376279A - Ceiling hanger : en
  • AU119909B2 - Improvements in magnetic devices for transmitting energy : en
  • US2375816A - Transmission : en
  • US2375850A - Cultivator and planting attachment therefor : en
  • ES168536A1 - A NEW PROCEDURE FOR MANUFACTURING GLASS OR GLASS CONTAINERS, WITH THE FOOT, PEANA OR BASE OF DIFFERENT COLOR : en es
  • ES8252Y - Articulated soles for any kind of footwear. : en es
  • US2375989A - Sheet feeding mechanism : en
  • US2376262A - Milling grinding, turning, or other machine tool : en
  • ES169345A1 - PROCEDURE FOR OBTAINING A PREPARED TO PREVENT THE PUTRIFICATION OF THE SUGAR BEET COGOLLO : en es
  • FR52723E - Direct draft gasifier : en fr
  • US2376068A - Feed water heater : en
  • CA427476A - Gate : en fr
  • GB569332A - Improvements in or relating to portable apparatus for viewing images of transparencies : en
  • US2376164A - Precision threading attachment : en
  • US2376315A - Device for the construction or determination of angles : en
  • ES168905A3 - IMPROVEMENTS IN THE ELECTROLYTIC CHROME : en es
  • ES8301Y - Over-bag, intended to contain solid thermal products for permanent hair waving. : en es
  • GB569291A - Improvements in or relating to the manufacture of vinyl chloride : en
  • GB569320A - Improvements relating to sack holding and supporting devices : en
  • GB569280A - Improvements in arc welding : en
  • ES169414A1 - IMPROVEMENTS IN DEVICES FOR THE COLLECTION OF GASES IN OPEN ELECTROLYTIC FURNACES : en es
  • FR52664E - New arrangement of a single or double row rigid ball bearing combined with a thrust ball bearing in freewheels of bicycles or the like : en fr
  • FR52713E - UHF tube : en fr
  • CA427534A - Circuit interrupter : en fr
  • ES11433U - Crown plug perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • USD141194S - Design for an eyeshield or similar article : en
  • GB569301A - Improvements in or relating to aircraft anti-icing or de-icing arrangements : en
  • US2375855A - Multiple disk brake : en
  • US2375929A - Syringe for medical purposes : en
  • US2375928A - Controller for motor operated machines : en
  • US2376250A - Snowplow : en
  • US2376257A - Preparation of hydrogen peroxide : en
  • US2376142A - Control system for aircraft turbosuperchargers : en
  • GB569288A - Improvements in machines for the production of chenille yarn : en
  • FR52675E - Two-wheeled wheelbarrow transformable into one-wheeled wheelbarrow : en fr
  • FR52656E - Metal frame for reinforced concrete constructions : en fr
  • FR52748E - Process for preparing organic oxo-derivatives : en fr
  • FR899008A - Installation for telephone networks with several central offices in series : en fr
  • US2375942A - Staple puller : en
  • US2376163A - Coating material : en
  • US2375909A - Clutch : en
  • ES169346A1 - PROCEDURE FOR THE OBTAINING OF A PRODUCT FOR THE DISINFECTION OF SEEDS : en es
  • US2375932A - Continuous metallurgical treatment of raw materials : en
  • US2375744A - Half-tubular reinforced concrete beam for use in building construction : en
  • US2375894A - Knob assembly for control devices : en
  • US2376200A - Process for treating fibrous materials and products so produced : en
  • ES8238Y - Special metal container to contain, transform and sell fuel gas for all uses. : en es
  • GB569244A - Improvements in or relating to reversing mechanism for internal combustion engines : en
  • US2375812A - Coating machine : en
  • US2375889A - Color grading apparatus : en
  • CH237700A - Laundry detergent. : de en
  • FR52701E - Improvements to gas generators : en fr
  • ES11439U - A carburetor, mixer and vaporizer key, for gasoline stoves, or other liquid fuel (Machine-translation by Google Translate, not legally binding) : en es
  • FR52655E - Testing machine for determining the resistance of test pieces to prolonged fatigue : en fr
  • DK63487C - Potato harvester. : da en
  • US2375952A - Reversing gearing : en
  • US2376131A - Alternating current generator : en
  • CA427564A - Visible record file : en fr
  • US2375847A - Process for the preparation of cyanoethyl cellulose : en
  • US2376001A - Equalizing trailer hitch : en
  • ES169440A1 - A PROCEDURE FOR THE PLATING OF COPPER OXIDE MEMBERS : en es
  • FR899003A - Improvements to carburettors with a constant level tank : en fr
  • CH237699A - Rubber suction cups. : de en
  • US2375940A - Catalytic process for converting liquid and gaseous hydrocarbons into antiknock spirit and aromatic hydrocarbons : en
  • USD141257S - High frequency heat generator cabinet or similar article : en
  • US2375857A - Fulcrumed fork : en
  • US2376051A - Removal of light hydrocarbons from admixture with hydrogen fluoride : en
  • USD141267S - Design fob a desk calendar unit : en
  • US2375972A - Formation tester : en
  • US2376174A - Drier : en
  • CA427505A - Paint film testing apparatus : en fr
  • US2375899A - Salts of certain substituted aldimines, etc. : en
  • US2375982A - Depth gauge : en
  • CA427508A - Guanidine nitrate purification : en fr
  • USD141249S - Design for a doll : en
  • FR899012A - Support device for the upper rolls of the stretching mechanisms : en fr
  • ES8286Y - Perfected bevel. : en es
  • FR899065A - Process of bending wood in several layers : en fr
  • USD141280S - Design for a toy bank or similar article : en
  • GB569361A - Improvements in or relating to the separation of oils, fats, greases and sedimentarymatter from liquids in which they are contained : en
  • FR52683E - Economical chemical treatment process for manganese ores : en fr
  • ES169612A1 - IMPROVEMENTS INTRODUCED IN THE CONSTRUCTION OF GASÓGENOS : en es
  • GB569338A - Improvements in separation of copper and nickel : en
  • ES169136A1 - A PERFECTION IN A SYSTEM OF SECURITY LOCKS : en es
  • GB569349A - Lead base alloy for bearings : en
  • USD141250S - Design fob a tablecloth : en
  • US2376294A - Dental hand piece : en
  • FR899087A - Continuous film development process : en fr
  • GB569246A - Improvements in or relating to time switches or the like controlled by clockwork mechanism : en
  • ES169429A1 - DEVICE TO FACILITATE THE REST ON TRAVEL : en es
  • FR898974A - Vulcanization mixtures and method of preparing such mixtures : en fr
  • FR899024A - Transmitting antenna system : en fr
  • GB569239A - Improvements in or relating to resilient wheels : en
  • ES168350A1 - A PROCEDURE FOR THE MANUFACTURE OF CURLY YARNS OF ARTIFICIAL FIBERS : en es
  • CA427553A - Voltage regulating system : en fr
  • AU1082043A - Improved dishwashing apparatus : en
  • ES11423U - Pressure switch (Machine-translation by Google Translate, not legally binding) : en es
  • CA427522A - Discharge lamp base and starter : en fr
  • US2376044A - Method of knitting : en
  • US2375955A - Apparatus for producing solid or hollow pellets : en
  • CH237712A - Process for the production of wheel tires for wheels of light vehicles. : de en
  • CA427578A - Building construction : en fr
  • CH237608A - Drive device for the spindles of a textile machine. : de en
  • AU119910B2 - Bottom plate for mulling apparatus : en
  • FR899001A - Flexible frame for carriages for children, patients and others : en fr
  • USD141215S - Design fob a ventilator : en
  • DK63483C - Method of Making Colored, Hard or Semi-Hard Fiber Sheets. : da en
  • CA427597A - Flatiron circuit control : en fr
  • USD141265S - Design for a combined shoe tree : en
  • US2375810A - Cutoff valve : en
  • US2376305A - Molded article : en
  • CA427490A - House furnace : en fr
  • GB569317A - Improvements in the sealing of electrically conducting leads through vitreous walls : en
  • CA427468A - Rope and cable securing member : en fr
  • CH237607A - Method and device for the production of a draftable, coherent sliver. : de en
  • CH237649A - Strobe device for checking electric meters. : en fr
  • CH237669A - Electrically operated device. : de en
  • CA427471A - Stapling machine : en fr
  • GB569218A - Improvements in machines for making glass pinches, for example in the foot-tubes of electric discharge devices and the like : en
  • CH237664A - Mortising machine. : de en
  • US2375813A - Method of making coated abrasives : en
  • FR52741E - Large freight wagons with bottom unloading : en fr
  • DK63477C - Adsorption plant for Solvent Recycling. : da en
  • US2375844A - Toy parachute : en
  • US2376194A - Bottle folder : en
  • USD141193S - Design fob an eyeshield or similar article : en
  • ES169221A3 - A PROCEDURE FOR MAKING MULTIPLE LAYER FILMS AND COLOR IMAGES : en es
  • US2375882A - Adjustable toolholder : en
  • US2376259A - Permanent bowknot : en
  • ES8292Y - Footwear with leather or fabric upper. : en es
  • AU2070345A - Improvements in and relating to high rupturing capacity electrical fuses : en
  • CH237656A - Device for coupling the two sections of a so-called broken winding stem. : en fr
  • GB569350A - Improvements relating to the production of fluorescent materials : en
  • FR898956A - Pot, saucepan and other culinary containers : en fr
  • USD141234S - Design for a watch-box : en
  • US2375836A - Electrode holder : en
  • ES11303U - Hitch coupling to headboard and footboard in metal beds. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569223A - Improvements relating to positioning devices for the plates or panels of drawing-layout tables : en
  • ES11416U - A portable deposit with reserve deposit (Machine-translation by Google Translate, not legally binding) : en es
  • FR52735E - Transposition device for typewriters : en fr
  • FR899027A - Device for fixing flat objects behind a transparent sheet : en fr
  • FR898978A - Socket device for electric vehicles powered by overhead lines : en fr
  • GB569259A - Improvements in or relating to lids for dustbins : en
  • ES8230Y - Rivet nut with box and inner thread fitting, especially for aircraft construction. : en es
  • FR899034A - Sealing device for rollers, shafts or the like, in particular in kneading machines : en fr
  • US2375856A - Satellite teletypewriter switching system : en
  • US2376166A - Sensitometry : en
  • USD141273S - Design fob a suit : en
  • US2376008A - Production of lutidine-urea compounds : en
  • US2375843A - Collapsible shipping and display carton : en
  • USD141222S - Design fob a chair frame : en
  • US2376062A - Flexible knife mounting for bean snippers : en
  • ES8152Y - Box with hinged lid. : en es
  • CA427496A - Hydroaromatic cyanamide : en fr
  • FR52738E - Method and device for obtaining reactions between metal oxides or oxidic ores and coal : en fr
  • US2376150A - Magnetic device : en
  • ES11363U - Closure for pouches, purses, bags and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8223Y - Game for children. : en es
  • US2375763A - Apparatus for shaping tubes : en
  • ES8258Y - Sprinkler bowl. : en es
  • GB569286A - Improvements in or relating to ink reservoir pens : en
  • US2376014A - Polymerization of unsaturated organic compounds : en
  • FR52728E - Apparatus for spreading powdery materials on plants : en fr
  • GB569314A - Improvements in means for feeding measured quantities of a liquid : en
  • US2375827A - Extruded plastic section : en
  • US2376189A - Ignition system : en
  • GB569243A - Improvements in rotatable and retractable power-operated gun turrets for aircraft : en
  • ES169564A1 - NEW FREE PASS VALVE SYSTEM : en es
  • ES11399U - A special container for the conservation and presentation of flowers and plants (Machine-translation by Google Translate, not legally binding) : en es
  • US2376271A - Catalytic converter : en
  • US2376122A - Foam-producing method and apparatus : en
  • ES169397A1 - INDUSTRIAL PROCEDURE FOR THE OBTAINING OF MARBLE AND ARTIFICIAL STONES : en es
  • GB569315A - Improvements in and relating to electric circuit interrupters or vibrators : en
  • ES169616A2 - IMPROVEMENTS IN THE PURPOSE OF THE MAIN PATENT NuM. 165144 : en es
  • US2375904A - Indoor golf practicing device : en
  • AU119895B2 - Improvements in and relating tothe manufacture of magnesium : en
  • USD141271S - Williams front end hydraulic loader : en
  • CH237690A - Method and device for the production of an insulating tape from fiberglass. : de en
  • CH237701A - Circuit arrangement in telephone systems. : de en
  • US2375906A - Engine fuel pump : en
  • CH237590A - Process for the manufacture of a product for building purposes. : de en
  • CH237708A - Arrangement for obtaining a control voltage, the size of which is proportional to the frequency deviation of a high-frequency voltage from a selected frequency and whose sign changes with the sense of the frequency deviation. : de en
  • DK63490C - Apparatus for photographic apparatus with fixed optics for recording continuous images on a single photographic plate or film. : da en
  • FR898955A - Device for giving their final shape to hollow objects made of paper pulp which have been cast beforehand and dried : en fr
  • GB569292A - A needle-holder for use in sewing by hand, leather, felt and other thick fabrics : en
  • US2376043A - Mineral wool apparatus : en
  • CA427527A - Titanium pigment : en fr
  • US2376106A - Agitating mechanism : en
  • US2376285A - Door check : en
  • US2375903A - Fluid dispensing apparatus : en
  • ES9057Y - Folding chair. : en es
  • ES11387U - Apparatus for injection of oxygen or other fluids with flow regulation and existence control. (Machine-translation by Google Translate, not legally binding) : en es
  • ES169506A1 - A DISCHARGING MACHINE : en es
  • GB569360A - Improvements in collapsible containers : en
  • ES169417A1 - IMPROVEMENTS IN THE MANUFACTURE OF ISOMERS OF HEXACLOROBENZOL : en es
  • USD141281S - Design for a slipper : en
  • USD141252S - Design fob paper or the like : en
  • US2375914A - Fluid system interconnector : en
  • US2375861A - Apparatus for wrapping articles with strands : en
  • US2376109A - Device for rectifying the involute tooth-profile of gear grinding disks : en
  • CH237616A - Process for the production of tannin-free pectin. : de en
  • US2376316A - Lamp guard : en
  • CA427552A - Ignitron starter : en fr
  • US2376173A - Heating apparatus : en
  • USD141211S - Design fob a chair frame : en
  • CH237668A - Mechanical razor head. : en fr
  • ES11120U - Curved truss for covers. (Machine-translation by Google Translate, not legally binding) : en es
  • FR52677E - Process for extracting from durum wheat the germ and aleurone still contained in the waste or broken pieces produced during its threshing and other operations : en fr
  • FR52746E - Iron pole for mines : en fr
  • US2375759A - Treatment of heat transfer salts : en
  • US2376144A - Regulating mechanism : en
  • US2376179A - Tire for car wheels : en
  • US2375822A - Spark plug construction : en
  • AU125364B2 - Method of preparing hydroxy metal soaps, and mixtures thereof with other compositions, including other metal soaps, and resulting products : en
  • FR899031A - Enhancements to high bandwidth antennas : en fr
  • GB569282A - Glazing compositions for refractory materials : en
  • CA427501A - Guanidine ferrocyanide complex : en fr
  • CH237707A - Aids for the easy establishment of telephone connections using self-dialing telephones. : de en
  • US2375863A - Conveyer system : en
  • USD141278S - Design for a lipstick case : en
  • FR899010A - Seat construction for vehicles : en fr
  • CH237710A - Tube holder. : de en
  • US2375890A - Railway traffic controlling apparatus : en
  • CA427554A - Electric power distribution system : en fr
  • CA427528A - Chalk resistant titanium pigment : en fr
  • CA427563A - Typewriter justifying and indention control : en fr
  • US2376088A - Method of treating friedel-crafts reaction liquors : en
  • US2376213A - Phenol-formaldehyde resin : en
  • AU602542A - Improvements inthe production of films andother articles composed of derivatives of rubber : en
  • US2375917A - Electric cable reel : en
  • US2375916A - Toolholder : en
  • US2376115A - Control device for scavenged ignition-type internal-combustion engines : en
  • US2376162A - Photographic shutter tester : en
  • US2375966A - System of television in colors : en
  • US2376170A - Heating apparatus : en
  • GB569257A - Improvements in gun turrets : en
  • US2376055A - Torpedo deflecting shield : en
  • US2376252A - Oxide catalysts in dehydrogenation of cymene : en
  • USD141275S - Design fob a suit : en
  • ES11384U - Container bottle to condition pharmaceutical products. (Machine-translation by Google Translate, not legally binding) : en es
  • ES168840A1 - A PROCEDURE FOR OBTAINING AN ORGANIC THERAPEUTIC PRODUCT TO COMBAT PALAPIC INFECTION AND ITS FORMS : en es
  • CH237586A - Retractable stairs on a building floor. : de en
  • CA427584A - Motor fuel : en fr
  • DK63494C - Device for steel rod ski poles. : da en
  • US2376057A - Rifle : en
  • CH237640A - Ice and snow skating equipment to be attached to the shoe. : de en
  • US2376237A - Grinding machine : en
  • US2375937A - Diene reaction products and process : en
  • CA427495A - Dihydroaromatic cyanamide : en fr
  • US2376104A - Process for purification of diolefins : en
  • CH237721A - Pipe made of porous building material for dehumidifying masonry. : de en
  • ES169583A1 - HAMMER MACHINE CERCOS : en es
  • US2376081A - Machine for assembling retainers : en
  • US2376289A - Packaging apparatus : en
  • US2375974A - Sash guide and support : en
  • US2376148A - Piston and piston ring : en
  • CH237624A - Process for the preparation of p, p'-dibromodiphenylmonochlorethylene. : de en
  • US2376076A - Machine for wrapping butter : en
  • US2376171A - Heating apparatus : en
  • US2376254A - Abrasive disk : en
  • CH237663A - Process for degreasing metal powder. : de en
  • CH237619A - Process for the production of aliphatic nitrates. : de en
  • CH237683A - Two-stroke internal combustion engine. : en fr
  • US2376290A - Servicing implement for beacons : en
  • CA427497A - Cyanamide compound : en fr
  • CH237653A - Pickups for speaking machines. : de en
  • CA427568A - Cast iron processing : en fr
  • CH237621A - Process for the preparation of a new amide derivative. : de en
  • CH237692A - Electrical resistance regulator. : de en
  • CA427464A - Decoy : en fr
  • AU124926B2 - Machine tension device : en
  • US2376235A - Light sensitive apparatus : en
  • CH237662A - Chuck for clamping work pieces on machine tools by internal clamping. : de en
  • AU119892B2 - Improvements inthe production of films andother articles composed of derivatives of rubber : en
  • CH237703A - Disc call mechanism for automatic telephones. : en fr
  • CH237610A - Pedal device on sewing machine built into a piece of furniture. : de en
  • US2376103A - Cigarette-making machine : en
  • US2376191A - Chemical process : en
  • CH237675A - Multi-layer leather straps. : de en
  • US2376087A - Sample device : en
  • CA427485A - Gun sight and mounting : en fr
  • ES8209Y - Bicycle hub with drum brake. : en es
  • GB569261A - Protector for tubing : en
  • US2375949A - Geochemical prospecting : en
  • US2375991A - Variable pressure drill feed : en
  • US2376243A - Device for applying viscous liquids : en
  • USD141259S - Diamond or similar article : en
  • FR898972A - Safety locking device : en fr
  • GB569355A - Improvements in variable speed gear : en
  • US2376283A - Dyestuffs suitable for use as indicators : en
  • US2375883A - Internal combustion engine charge forming apparatus : en
  • ES11458U - Automatic device to trigger a game of chance. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569345A - Improvements in or relating to flavouring materials and methods of preparing same : en
  • CH237730A - Electric machine with several working windings. : de en
  • ES8245Y - Fuse holder device for electrical installations. : en es
  • FR899095A - Beet cleaner : en fr
  • US2375766A - Dry spray equipment : en
  • US2376139A - Chemical process : en
  • CH237625A - Process for the preparation of p, p'-dibromodiphenyldibromochloroethane. : de en
  • US2375996A - Folding gate screen : en
  • US2376121A - Extensible suspension for drawers and the like : en
  • US2375820A - Adjustable stylus for facsimile recorders : en
  • ES8204Y - Folding wooden chair with or without arms, provided with a special articulating device. : en es
  • ES11383U - Magnifying glass-special case. (Machine-translation by Google Translate, not legally binding) : en es
  • ES167644A1 - IMPROVEMENTS IN THE INSTALLATIONS OF KITCHENS, STOVES, WATER HEATERS AND SIMILAR : en es
  • ES11441U - Pump or inflator for bicycles and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • ES168426A3 - A PROCEDURE FOR MANUFACTURING POCKET CALCULATING MACHINES : en es
  • ES169537A1 - SECTION SWITCH FOR ELECTRICAL NEEDLE, PARTICULARLY FOR TROUBLUS : en es
  • FR898959A - Improvements to ignition devices for internal combustion engines : en fr
  • GB569229A - Novel or improved safety razor : en
  • GB569255A - Improvements in or relating to steam power plants : en
  • GB569273A - Improvements in luminescent materials : en
  • CA427599A - Purified latex production : en fr
  • CH237598A - Vanity unit. : de en
  • US2376058A - Pipe coupling : en
  • US2375745A - Adjustable band for garments : en
  • CA427480A - Metal casting crack repairing method : en fr
  • CH237628A - Process for the production of phosphate layers on metals. : de en
  • AU961843A - Improvements in or relating to apparatus for cooling or attemperating oil or other viscous liquids : en
  • US2375768A - Halogenated ethers of hydroxydihydronordicyclopentadiene : en
  • US2375881A - Circuit breaker : en
  • US2376263A - Pressure storage tank : en
  • US2376244A - Polymerization mold : en
  • CH237580A - Apiary. : en fr
  • CH237676A - Thermal insulator and method of manufacturing the same. : de en
  • CH237666A - Hammer mill. : de en
  • ES11438U - System to link toys figures. (Machine-translation by Google Translate, not legally binding) : en es
  • USD141262S - Design for a nightgown : en
  • ES8304Y - Disc wheel for motor vehicles and the like. : en es
  • FR899016A - Salt bath furnace for annealing rolled products in light metal alloys susceptible to hardening : en fr
  • FR899044A - Process for carrying out the catalytic cracking of hydrocarbons : en fr
  • DK63482C - Electrolyte capacitor with a capacitor winding arranged in a container. : da en
  • ES11305U - Securing beds to be arranged in bunk. (Machine-translation by Google Translate, not legally binding) : en es
  • US2376083A - Oil stove wick : en
  • US2376025A - Pump : en
  • FR52687E - Automatic locking and manual unlocking device for direction indicator arm of motor vehicles or others : en fr
  • US2375775A - Electrical prospecting system : en
  • USD141270S - Razor blade sharpener for pencils : en
  • GB569217A - Improvements relating to the production of depolarising materials for use in primaryelectrical cells : en
  • CA427503A - Guanidine and biguanide base preparation : en fr
  • GB569329A - Improvements in internal-combustion impulse turbine engines : en
  • ES169513A3 - DEVICE FOR AUTOMATIC REGULATION OF THE MECHANICAL TENSION OF AIR LINES : en es
  • GB569277A - Full opening lighter : en
  • US2376101A - Electrical energy transmission : en
  • US2375800A - Mobile crane : en
  • FR898980A - Process for the agglomeration of pulverized or fibrous fuels : en fr
  • ES167397A1 - PROCEDURE FOR MANUFACTURING CONSTRUCTION ELEMENTS SUBJECT TO PREVIOUS CONTRACTIONS : en es
  • US2376260A - Cranberry picking machine : en
  • GB569233A - Improvements in or relating to teasing machines : en
  • FR899074A - Improvements to plastic zippers : en fr
  • CH237715A - Stamp for cycles. : en fr
  • CA427570A - Chuck for coil winding machines : en fr
  • US2375819A - Combination stool : en
  • US2376300A - Device for controlling the shutter with a variable opening of cinematographic photographing apparatus : en
  • USD141224S - Design fob a cix)sube hood fob bevebage bottles : en
  • FR899029A - New manufacturing process for floats for fishing lines : en fr
  • US2375999A - Pressure vessel construction : en
  • ES167969A1 - A NEW SAFETY CLOSURE PORTIFICATION SPECIALLY INDICATED FOR THE DOORS OF HOUSES AND FOR WOODEN FURNITURE : en es
  • FR52658E - Elastic metal tire to replace the pneumatic tire on vehicle wheels : en fr
  • US2375978A - Composition and compounds utilizing the same : en
  • US2375995A - Test plug for pipes : en
  • US2376295A - Dental hand piece : en
  • CA427593A - Quick disconnect coupling : en fr
  • CH237696A - Device for converting one type of current into another by means of at least one periodically operated contact. : de en
  • US2376204A - Strip feeding mechanism : en
  • US2376268A - Printing business machine : en
  • US2375902A - Teleprinter : en
  • ES169508A3 - PENDOLA CLAW FOR ELECTRIC TRACTION CATENARY LINES : en es
  • US2375865A - Apparatus for underground water storage : en
  • FR52666E - Process for the treatment of compressed fuel gases containing carbon monoxide and hydrogen : en fr
  • FR52668E - Electric boiler : en fr
  • US2376135A - Strawberry huller : en
  • FR898964A - Speed reducer for all road and rail traction motors : en fr
  • USD141225S - Closure hood for beverage bottles : en
  • US2375921A - Reinforced concrete pipe and method for making same : en
  • US2375830A - Device for producing successive electrical impulses : en
  • US2375871A - Liquid heating apparatus : en
  • FR898970A - Film developing method and apparatus : en fr
  • ES169218A3 - A PROCEDURE OF KEEPING THE BALANCE BETWEEN RED AND GREEN RECORDS UNIFORM IN THE TECHNIQUE OF NATURAL COLOR PHOTOGRAPHY : en es
  • GB569267A - Improvements relating to electric discharge tubes : en
  • CA427551A - Vapour-arc discharge device : en fr
  • US2376065A - Comb : en
  • US2376097A - Boot or shoe hanger : en
  • US2375751A - Hunting knife : en
  • CH237705A - Circuit arrangement for the matching setting of locally separated switchgear in telecommunications, in particular telephone systems with main and sub-offices. : de en
  • ES11464U - Roller for the ripple of the hair. (Machine-translation by Google Translate, not legally binding) : en es
  • FI20600A - Matrix for the formulation of the fiber mass genomic sugverka jämte förfaringssätt för dess framställning : en fi
  • ES10925U - Metallic cap perfected for bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • GB569253A - Improvements in and relating to tobacco and methods of treating same : en
  • CA427569A - Filament winding apparatus : en fr