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