• US2473115A - Hair curler : en
  • AU145409B2 - Diversity receiver for multiplex frequency shift tones : en
  • US2472878A - Fluid turbine power plant with speed reduction transmission gearing : en
  • US2472993A - Means for delivering bread : en
  • US2473466A - Partial products mechanism : en
  • AU147030B2 - Improvements in or relating to radiating or receiving devices for electromagnetic waves : en
  • AU718146A - Moulds and prismatic reflectors made thereby : en
  • AU2699949A - Improvements in or relating to pneumatic guns : en
  • GB624662A - Improvements in or relating to high frequency communication systems : en
  • US2472844A - Maintenance of catalyst activity in hydrocarbon conversion processes : en
  • CH262045A - Clamp stick. : de en
  • US2473321A - Plug-in clip : en
  • USD154134S - Design fob a knife handle : en
  • ES188077A1 - ECONOMIC PROCEDURE TO OBTAIN A RESISTANT AND INALTERABLE POROUS MORTAR FOR ATMOSPHERIC AGENTS : en es
  • CH262175A - Method for determining the azimuth angle of a receiver with respect to a rotating field transmitter. : de en
  • US2472959A - Elevator control mechanism : en
  • US2472909A - Fireless brooder : en
  • US2472915A - Hand brake lever controlled door locking device : en
  • US2473103A - Baffle type muffler : en
  • AU2761449A - Improvements inthe production of regenerated cellulose yarns andthe like : en
  • CA457392A - Device and method for securing corrugated sheets : en fr
  • US2472907A - Focus and magnification indicator for photographic enlargers : en
  • US2473308A - Treatment of cellulosic textiles with strong hydroxide and acrylonitrile : en
  • USD154101S - Extruded metal showcase pitting : en
  • ES188029A2 - SIFoN HEAD SYSTEM : en es
  • US2473389A - Low-pressure absorption refrigerating system : en
  • USD154182S - Design fob a tile floor and wall covering : en
  • US2473062A - Surgical bandage : en
  • US2472810A - Recovery of light oil from absorbent : en
  • US2473436A - Alarm, light, and safety signaling device : en
  • US2473107A - Dual reel wire connector for ironing boards : en
  • US2473489A - Flexible bag with metal gusset : en
  • CA457407A - Cathode structure : en fr
  • CH262055A - Tool spindle. : en fr
  • CH262157A - Device for air humidification. : de en
  • US2473069A - Apparatus for manufacture of paper : en
  • FR946830A - Rotor with a peripheral row of blades : en fr
  • GB624610A - Improvements in or relating to unloading or discharging of coal or other minerals at mine shafts : en
  • CH262040A - A method of improving the resistance to permanent elongation of stretched articles based on superpolyamides. : en fr
  • US2472825A - Pipe lighter : en
  • US2473144A - Winding arrangement in alternating current machines : en
  • US2473335A - Vibration damper : en
  • GB624651A - Improvements in or relating to an arrangement for a telephone substation set : en
  • ES185449A1 - A DEVICE FOR COUPLING A CONTROL TREE AND A MOVED TREE THAT UNLOCKS THE CONTROL TREE WHEN A OVERLOAD OCCURS : en es
  • GB624724A - Improvements in or relating to turbine rotors : en
  • GB624769A - Improved method of and apparatus for producing toothed face clutches : en
  • ES19100Y - Improved liquid valve. : en es
  • GB624603A - Improvements in or relating to circuit arrangements for providing control voltages : en
  • GB624825A - Pivoted louver with seating pad : en
  • AU145801B2 - Improvement in logarithmic-mode separately quenched superregenerafive amplifier : en
  • US2472830A - Preparation of silica containing catalysts : en
  • US2473043A - Shock absorber structure : en
  • ES19934U - Can of canned, with chamber of exothermic reaction, to heat the packaged product. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624895A - Electrode clamp for an electric furnace : en
  • CA457350A - Treated materials and method of production : en fr
  • AU2706049A - Improvements in or relating to electric insulators : en
  • CH261962A - Shoe lasting machine. : de en
  • NL62379C - : en
  • US2473404A - Apparatus for stretching : en
  • USD154193S - Design fob a lace tablecloth : en
  • ES18702Y - Stopper-spigot for all kinds of containers. : en es
  • GB624832A - Improvements in or relating to circuits for cathode ray tubes and methods of operating the same : en
  • GB624911A - Improvements in rotary cultivators : en
  • US2473130A - Electric traction motor : en
  • US2473345A - Rail anchor : en
  • US2473383A - Tube sizing machine : en
  • US2473302A - Dynamoelectric machine having laminated armature with teeth slotted to reduce eddy currents : en
  • ES19935U - Articulated joint for trapezoidal belt splicing (Machine-translation by Google Translate, not legally binding) : en es
  • ES20013U - Sun hat. (Machine-translation by Google Translate, not legally binding) : en es
  • US2472817A - Cartridge belt link : en
  • USD154155S - Design for a tile floor and wall covering : en
  • AU2705449A - Improvements in or relating to portable rubbing machines : en
  • US2473329A - Tail rotor for helicopters : en
  • US2473346A - Teletypewriter exchange system : en
  • ES19028Y - Perfected closure for metal boxes. : en es
  • FR946862A - Adjustable opening device, especially for glazing : en fr
  • US2472983A - Motion-picture projector : en
  • US2473146A - Paper and trash pickup tongs : en
  • FR946712A - Improvement of belts of leather or other similar material : en fr
  • USD154100S - Design for a lace tablecloth : en
  • ES186938A1 - A PROCEDURE FOR GLASS TUNING : en es
  • US2473421A - Search antenna array : en
  • US2473459A - Quick detachable coupling : en
  • US2472911A - Quinoneimine dyes from hydroxybenzamidobenzaldehyde and hydroxybenzsulfamido-benzaldehyde acetals of lower alkanols and 1,2-and 1,3-alkanediols : en
  • US2473349A - Dry chemical fire extinguisher : en
  • IE18839L - Chimney cowls : en
  • US2472879A - Protective device for thermal receivers : en
  • US2473114A - Harness : en
  • US2473408A - Clothes hanger : en
  • USD154132S - Design for a hinge : en
  • ES187970A1 - IMPROVEMENTS IN THE CONSTRUCTION OF LUMINOUS BRACKETS : en es
  • DK69344C - Oscillograph with a cathode ray tube. : da en
  • ES186133A1 - A POWER SYSTEM FOR RADIO APPLIANCES : en es
  • ES188069A1 - A PROCEDURE, WITH YOUR CORRESPONDING DEVICE, TO ACHIEVE SIMILAR ASPECTS TO THE FRENCH HEEL IN THE MEANS OBTAINED WITH LEG AND FOOT IN A SINGLE MACHINE : en es
  • FR946767A - Biological process to jointly and industrially treat household waste and manholes : en fr
  • US2473446A - Antenna : en
  • US2473483A - Mold for lining bearings : en
  • NL63387C - : en
  • ES188060A1 - NEW PROCEDURE FOR THE COTONIZATION OF LINEN, HEMP, RAMIUM AND SIMILAR FIBERS, AS WELL AS THE WASTE OF THE OBTAINING, PREPARATION, YARN AND FABRIC OF SUCH FIBERS : en es
  • ES19949U - Magnetic toy (Machine-translation by Google Translate, not legally binding) : en es
  • FR946820A - Improvements to cisterns : en fr
  • FR946930A - Cookie cutter : en fr
  • ES18673Y - Device applicable to forklift trucks. : en es
  • GB624896A - Improvements in or relating to television receiving apparatus : en
  • GB624748A - Improvements in and relating to dead end couplings : en
  • GB624752A - Printing machine : en
  • ES186683A3 - IMPROVEMENTS IN THE CONSTRUCTION OF REFRACTORY LININGS IN ELECTRIC ARC OVENS AND BLOCKS FOR THEM : en es
  • ES187165A1 - A PROCEDURE FOR THE CONTINUOUS AUTOMATIC CONTROL OF THE SPEED OF A LANE VEHICLE : en es
  • ES20022U - Pocket machine for dry shaving (Machine-translation by Google Translate, not legally binding) : en es
  • GB624684A - Improvements in and relating to the control of electric motors driving winding engines, hoists and the like : en
  • GB624897A - Novel or improved means for attaching upholstery fabric to metal bars or rods of seats used more especially in vehicles : en
  • ES19975U - Special wallet for the documents of the motorist. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624847A - Reinforcing plastics : en
  • GB624767A - Improved closed core-type coil : en
  • FR946946A - High frequency tuning device : en fr
  • ES18953Y - Pocket electric flashlight. : en es
  • GB624586A - Improvements in apparatus for adjusting the lateral spacing of a series of slicing knives in slicing mechanisms : en
  • GB624770A - Improvements in or relating to submarine signalling : en
  • GB624835A - Improvements in or relating to steering tubes and fork heads for bicycles, tandems and the like : en
  • ES185467A1 - AN APPARATUS THAT COMPRISES A HIGH OVEN : en es
  • CA457354A - Beet harvester : en fr
  • ES18644Y - Toy calculating device. : en es
  • FR946828A - Motive power thermal installation in which a gaseous working fluid circulates in a closed circuit : en fr
  • US2473374A - Phonograph needle : en
  • US2473028A - Copper base alloy : en
  • ES186897A1 - A THERMAL SWITCH : en es
  • ES18852Y - Table-stretcher. : en es
  • FR946759A - Spring loaded check valves for pressurized fluids : en fr
  • ES18618Y - Perfect ceramic vault. : en es
  • GB624614A - Improvements in or relating to brake shoes : en
  • GB624652A - Improvements in spectacle frame components : en
  • US2473465A - Apparatus for improving the operation of oxygen cutting torches : en
  • USD154163S - Design for a tile floor and wall covering : en
  • US2472999A - Portable drilling rig : en
  • ES185998A1 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF MUSIC BOXES : en es
  • ES19803U - Rectal cannula (Machine-translation by Google Translate, not legally binding) : en es
  • CH262004A - Transmission arrangement for high-frequency oscillations, with two high-frequency devices to be decoupled, which are connected to a third high-frequency device. : de en
  • ES188068A2 - IMPROVEMENTS IN BOTTLE FILLING MACHINES WITH CARBONIC GAS LIQUIDS UNDER PRESSURE : en es
  • FR946804A - Improvements to portable electric torches : en fr
  • ES19116Y - Perfected leather braiding. : en es
  • ES186697A1 - AN ELECTRONIC ORGAN OF ONE OR SEVERAL RECORDS : en es
  • US2473141A - Outside mounted automobile antenna : en
  • GB624890A - Improvements in or relating to liquid fuel burners for industrial furnaces : en
  • GB624734A - Improvements in and relating to cartons : en
  • GB624859A - Improvements in or relating to electric commutators : en
  • GB624602A - Improvements in or relating to circuits for amplifying high-frequency oscillations : en
  • FR946813A - Process for manufacturing targets for games and sports, and targets obtained by this process : en fr
  • ES19838U - Bigudi hair curling iron (Machine-translation by Google Translate, not legally binding) : en es
  • ES20028U - Peineta perfected (Machine-translation by Google Translate, not legally binding) : en es
  • FR946887A - Improvements relating to a method and apparatus for making brushes : en fr
  • US2473455A - Transporting petroleum distillates : en
  • US2472819A - Mechanical skeleton : en
  • US2473496A - Air conditioning system : en
  • US2473158A - Ski pole : en
  • US2473206A - Process of selectively polymerizing diolefins in an unsaturated and aromatic gasoline distillate : en
  • ES187947A1 - IMPROVEMENTS IN THE SPEED CHANGE MECHANISMS : en es
  • ES18818Y - Electric fuse : en es
  • ES19750U - Improved reel for the textile industry, in its different applications. (Machine-translation by Google Translate, not legally binding) : en es
  • ES19899U - Carpet perfected with fabric that forms relief (Machine-translation by Google Translate, not legally binding) : en es
  • ES19971U - Magnifying optical camera for watching movies, particularly usable as a toy. (Machine-translation by Google Translate, not legally binding) : en es
  • US2472903A - Extension table construction : en
  • US2472946A - Production of trichloroacetkl : en
  • ES187292A1 - IMPROVEMENTS IN THE ELABORATION OF DENTAL PROSTHESES : en es
  • US2473208A - Apparatus for linearizing saw-tooth waves : en
  • US2473453A - Method of extracting oils from fish material : en
  • USD154108S - Electric driven lawn mower a. e. emmons : en
  • FR946709A - Improvements to extinguishers : en fr
  • ES18918Y - Dropper containers. : en es
  • FR946802A - Heat treatment of textiles : en fr
  • GB624564A - Improvements in or relating to gyroscopic artificial horizons : en
  • GB624622A - Improvements in or connected with yariable speed gear transmissions : en
  • CH262174A - A device equipped with a paper strip to facilitate writing on this paper strip with a typewriter. : de en
  • DK69336C - Bearing system. : da en
  • ES188024A1 - OPTICAL LARGE FIELD FOCUSER : en es
  • ES185002A3 - A PROCEDURE FOR THE FORMATION OF ACCUMULATIONS OR LAYERS OF INSULATING FIBERS : en es
  • ES18864Y - Device to prevent breakage of hypodermic syringes. : en es
  • FR946748A - Fungicide and anticryptogamic product : en fr
  • GB624637A - Improvements relating to the recording and sorting or segregating of statistical, accounting or other data : en
  • GB624669A - Improvements relating to indicating instruments : en
  • US2473118A - Coupling for tubes : en
  • US2473338A - Vehicle spring preloading device : en
  • ES187164A1 - A PARACHUTE STRAP : en es
  • ES187284A1 - A MACHINE FOR MECHANICAL CUTTING OF SANDSTONE SANDHOLDERS : en es
  • ES18809Y - Apparatus to determine the points of passage of the contour lines on tachymetric planes. : en es
  • ES19925U - Metallic basket, perfected, for cylinders, especially those intended to contain acids. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946725A - Sole of a shoe : en fr
  • FR946800A - Improvements made or relating to the manufacture of combustible briquettes : en fr
  • GB624868A - Improvements in or relating to apparatus for measuring or indicating the roughness or undulations of a surface : en
  • US2473223A - Combined valve and coupling : en
  • US2473361A - Pneumatic tool for upsetting hollow rivets : en
  • US2473449A - Centrifugal governor : en
  • AU2772649A - Improvements in or relating to gear type pumps : en
  • CA457353A - Blade pitch adjustment : en fr
  • CH262155A - Safety arrangement for flywheel energy storage devices in vehicles. : de en
  • ES19800U - Cinematic toy (Machine-translation by Google Translate, not legally binding) : en es
  • FR946841A - Improvements to hf induction heaters. : en fr
  • GB624661A - Improvements in or relating to supporting structures suitable for use as shelves or the like : en
  • ES187156A1 - PROCEDURES FOR THE MANUFACTURE OF HOLLOW OBJECTS : en es
  • US2473087A - Bowling game ball projector : en
  • AU131616B2 - Improvements in radio navigational systems : en
  • AU2762449A - Improvements in flying controls for aircraft : en
  • CH262039A - Milling machine, in particular for woodworking. : de en
  • CH262105A - Magnetron and method of making the same. : de en
  • DK69366C - Grinding body for grinding material, eg cement, cement raw material or similar materials, in particular in pipe mills. : da en
  • US2472937A - Cooling plate : en
  • ES187946A3 - A PROCEDURE FOR THE TREATMENT OF SUBSTRATES CONTAINING STEROLS : en es
  • ES19921U - Syringe for sulfataction of vineyards and trees (Machine-translation by Google Translate, not legally binding) : en es
  • ES19926U - Wheel-pneumatic balloon for vehicles, aircraft and other uses. (Machine-translation by Google Translate, not legally binding) : en es
  • AU141148B2 - Improvements relating to tee square : en
  • US2473029A - Necktie rack : en
  • US2473419A - Alternating current rectifier : en
  • FR946886A - Improvements to devices used to report fraudulent use or improper operation of motor vehicles or others : en fr
  • FR946805A - Unidirectional antennas : en fr
  • FR946853A - Transmission devices : en fr
  • DK69362C - Apparatus for making cheese, in particular semi-solid and solid cheese. : da en
  • ES19918U - Redecilla with protection, applicable for hair drying. (Machine-translation by Google Translate, not legally binding) : en es
  • DK69367C - Apparatus for treating liquids with ultraviolet rays. : da en
  • ES186921A1 - AN ARC WELDING PROCEDURE : en es
  • FR946812A - Target for games and sports and method for its manufacture : en fr
  • ES187955A1 - IMPROVEMENTS IN THE MILLS OF HAMMERS OF VARIOUS ROTORS : en es
  • US2473092A - Hose clamp : en
  • GB624795A - Improvements relating to protective gloves, mitts, boots and shoes for workpeople : en
  • ES18686Y - Electric powered plane. : en es
  • US2473093A - Machine tool : en
  • US2473291A - Dial mounting : en
  • ES19777U - Manual device for peeling potatoes and other tubers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18759Y - Mechanical picket imitating tortoises and tortoises. : en es
  • US2473145A - Preparation of water-soluble thermosetting resins : en
  • NL63436C - PROCESS FOR TANNING OF SKINS AND SKINS USING POLYMERIC PHOSPHORIC ACIDS AND CHROME COMPOUNDS : en nl
  • US2472896A - Control apparatus : en
  • US2472920A - Folding sled : en
  • US2472806A - Automatic electric animal trap : en
  • DK69364C - Remedy for the control of harmful insects. : da en
  • FR946836A - Lamp with dynamo actuated by a counterweight : en fr
  • GB624878A - Plate-setting for cap jewel : en
  • CH262097A - Electric circuit breaker. : en fr
  • CH262131A - Radio device fitted with a clockwork movement. : en fr
  • CH261902A - Process for the production of basic copper compounds in highly dispersed, aqueous form. : de en
  • CA457411A - Drier : en fr
  • CA457315A - Infant's chair : en fr
  • US2473170A - Automatic spark advance mechanism : en
  • US2473422A - Tens carry mechanism for : en
  • CH262028A - Process for the production of a metal. : de en
  • CH262148A - Reinforcement device for the head tube of a bicycle, tandem and similar apparatus. : en fr
  • CH261968A - Cigarette. : en it
  • USD154114S - Design for a tap handle : en
  • CA457404A - Frequency discriminator circuit : en fr
  • ES18869Y - Leather belts. : en es
  • GB624688A - Pressure-reducing valve device : en
  • GB624785A - Improvements in the method of and mechanism for handling book signatures for stitching : en
  • FR946854A - Improvements in the manufacture of acetylsalicylic acid salts : en fr
  • GB624569A - Improved ventilator : en
  • US2472928A - Piston for use in internalcombustion engines : en
  • US2473059A - Bearing alloy : en
  • ES186909A1 - A PROCEDURE WITH ITS CORRESPONDING DEVICE, FOR PREFABRICATED BUILDING : en es
  • ES187940A1 - IMPROVEMENTS IN AUTOMATIC GREASE AGENTS : en es
  • ES19086Y - Metallic interior for caskets with seamless joints. : en es
  • GB624918A - Improvements in vertical rolling mills : en
  • US2473135A - Method of and apparatus for waving hair : en
  • US2473399A - Electron discharge device of the magnetron type : en
  • US2473433A - Pneumatic drilling tool : en
  • BE489275A - : en
  • USD154146S - Design for a tile floor and wall covering : en
  • DK69372C - Cutting disc for shoe trimming machines. : da en
  • ES20002U - Device for the placement of the glasses, glasses and the like (Machine-translation by Google Translate, not legally binding) : en es
  • GB624677A - Improvements in and relating to rotary fluid-tight joints : en
  • CH261965A - Process for the production of dextrin. : de en
  • FR946818A - Watertight and safety electrical socket without locking nut : en fr
  • GB624675A - Improvements in or relating to pulsed oscillation generators : en
  • US2473297A - Apparatus for clarifying liquors : en
  • CA457358A - Ski binding : en fr
  • ES186862A1 - A NEW TYPE OF POLISHING REVERSIBLE AUTOMATIC POLISHING APPLICABLE TO TRACTORS : en es
  • GB624712A - Improvements relating to electronic circuit arrangements : en
  • BE489269Q - improvements to adjustable metal props : en fr
  • US2472816A - Gripper mechanism : en
  • US2473162A - Liquid phase chlorination : en
  • USPP847P - Flowering quince plant : en
  • ES18748Y - Improved comb for roving machines, "gills" or stretchers of yarn, silk and similar fibers. : en es
  • FR946785A - Fluorescent tube cover : en fr
  • GB624630A - Improvements in electro-thermal gas producers : en
  • GB624884A - Improvements relating to ion-exchange processes and plants : en
  • ES187101A1 - A PULVERIZING DEVICE FOR PULVERULENT PRODUCTS : en es
  • ES187308A3 - A PROCEDURE, WITH THE CORRESPONDING APPARATUS, FOR THE MIXING OF POWDERY MATERIALS : en es
  • ES187969A1 - A PROCEDURE FOR THE PREPARATION OF ESTERS OF THERAPEUTIC VALUE, DERIVED FROM DIPHENYL : en es
  • ES19930U - Sample case for lipsticks (Machine-translation by Google Translate, not legally binding) : en es
  • ES18614Y - Shadow or silhouette projector device. : en es
  • US2473099A - Trapper's hip-length boot : en
  • US2473294A - Venetian blind structure : en
  • FR946772A - Isothermal packaging for the transport of food substances : en fr
  • GB624850A - Improvements relating to the magnetic induction acceleration of electrons : en
  • GB624904A - Improvements in and relating to devices for supporting or hanging articles such as clothes and the like : en
  • US2473019A - Production of ferrochromium : en
  • US2473132A - Snap fastener attachment for button sewing machines : en
  • FR946801A - Heat treatment of textile fabrics : en fr
  • FR946781A - Improvements to balancing installations for rotating parts : en fr
  • FR946852A - Knotter mechanism for balers : en fr
  • ES18881Y - Lid-grate made of reinforced and vibrated concrete for collecting sewage water. : en es
  • FR946716A - Process and machine for obtaining composite wood panels and resulting products : en fr
  • GB624619A - Improvements in or relating to oxygen liberating compositions and methods of preparing same : en
  • ES19151Y - Naughty perfected. : en es
  • GB624730A - Improvements in or relating to rotor constructions for turbines : en
  • US2472811A - Polymers of alpha-fluoromethyl acrylic acid esters : en
  • US2472961A - Circuit breaker mounting means : en
  • US2473333A - Article holding album : en
  • US2472842A - Apparatus and method of dry spinning vinyl compounds : en
  • US2473131A - Color photography : en
  • US2473017A - Building structure : en
  • US2473253A - Stapling apparatus : en
  • ES19955U - Cash box with circular door and concealed hinge. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624755A - Improvements in and relating to domestic cooking ranges : en
  • GB624601A - Improvements in or relating to automatic electric arc welding apparatus : en
  • ES18727Y - Improved sanitary napkin. : en es
  • GB624707A - Improvements in or relating to implements for attachment to tractors having power lift devices : en
  • ES19652U - Toy to learn the multiplication table (Machine-translation by Google Translate, not legally binding) : en es
  • FR946724A - Improvement in the distribution of fluid on aerial or hydraulic wheels, receiving or driving : en fr
  • US2473065A - Lock for closures : en
  • ES19953U - Storage box-filing cabinet (Machine-translation by Google Translate, not legally binding) : en es
  • ES18690Y - Improved tap applicable to all kinds of containers. : en es
  • ES19958U - Improved strap, molded in plastic material. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18915Y - Improved electric cooker. : en es
  • FR946794A - Semiconductor materials : en fr
  • FR946895A - Removable molded rubber sole and its uses : en fr
  • FR946799A - Improvements to record players for phonographs : en fr
  • GB624695A - Improvements in and relating to apparatus for training aircraft personnel : en
  • CA457412A - Treatment of fabric and apparatus therefor : en fr
  • ES187326A1 - AN APPARATUS FOR IMPROVING AND CHECKING THE ACCESSION IN THE EXPLOSION ENGINES : en es
  • GB624706A - Electrical testing systems : en
  • GB624913A - Improvements in or relating to a high-duty safety fuse : en
  • ES20051U - Lead cover for skylights and similar covers. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624803A - Fog nozzle : en
  • US2473260A - Preparation of tetramethyl silicate : en
  • USD154178S - Design for a tile floor and wall covering : en
  • CA457421A - Clamp : en fr
  • CH262017A - Tourbillon escapement wristwatch movement. : en fr
  • CA457318A - Retainer device for demountable punches, dies and the like : en fr
  • ES186895A3 - LOCKING PROCEDURE : en es
  • ES20035U - Rolling toy (Machine-translation by Google Translate, not legally binding) : en es
  • FR946869A - Water cooling tower : en fr
  • GB624600A - Improvements in or relating to radio navigational systems : en
  • GB624655A - Improvements in or relating to the manufacture of synthetic lubricating oils : en
  • GB624691A - Improvements in and relating to suspension means for electric fittings : en
  • GB624562A - Improvements in direction finders : en
  • GB624799A - Improvements in two-stroke internal combustion engines : en
  • US2472837A - Separation of organic compounds : en
  • US2473182A - Pable flue or chimney damper : en
  • USD154113S - Indicator control panel unit for stoves : en
  • FR946876A - Keyboard musical instrument : en fr
  • US2473159A - Counting tube transfer circuit : en
  • US2472948A - Cutting and welding machine : en
  • US2472991A - Optical light wedge : en
  • GB624870A - Casing structure for internal combustion free piston engines : en
  • ES18923Y - Perfected sash window. : en es
  • ES188043A1 - AUTOMATIC CONTROL DEVICE FOR AUTOMATIC BLADES : en es
  • GB624753A - Improvements in or relating to lifting slings : en
  • USD154184S - Design for a tele floor and wall covering : en
  • USD154188S - Design for a refrigerator : en
  • ES18645Y - Hygienic bag for toilets. : en es
  • GB624676A - Improvements in air preheaters and like heat exchange apparatus : en
  • ES19950U - Jewelery ring. (Machine-translation by Google Translate, not legally binding) : en es
  • US2473097A - Thermostatically-operated regulating or controlling apparatus : en
  • US2473388A - Tubing coupler : en
  • ES187162A1 - A TRIGGER APPARATUS OF CARTRIDGES OF SIGNALS AND OTHER USES : en es
  • FR946934A - Improvements to bed warmers and other similar utensils : en fr
  • ES18672Y - Improved stopper for bottles and similar containers, particularly for thermally insulated containers. : en es
  • ES19983U - Mixed carbon paper and writing blocks for copying purposes (Machine-translation by Google Translate, not legally binding) : en es
  • FR946764A - Installation of direct current block-system : en fr
  • FR946782A - Washing machine improvements : en fr
  • FR946931A - Spring axle bearing for road vehicles : en fr
  • GB624782A - Corrosion inhibitors : en
  • US2473281A - Ventilating and heating apparatus for vehicles : en
  • ES19713U - Tilting support for beds in all types of beds. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946738A - Improvements to the device intended to cancel the reverse yaw phenomenon on an airplane : en fr
  • ES18774Y - Improved steering wheel for automobiles. : en es
  • ES188014A1 - A PERFECTED BRUSH BREAKING ELECTRICAL SWITCH : en es
  • ES18796Y - Device-ampoule for the refueling of lighters. : en es
  • FR946849A - Drill foot : en fr
  • ES185040A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • ES18642Y - Winding mechanism for rolling metal doors. : en es
  • ES18631Y - Safety razor. : en es
  • ES18827Y - Perfected hub for bicycles. : en es
  • GB624783A - Improvements in coat and like hangers : en
  • US2472984A - Heat exhange system : en
  • US2472906A - Stretching device for the heel wire of ski ties : en
  • US2473072A - Line dispensing container : en
  • FR946900A - Advanced fixing device : en fr
  • GB624704A - Improved ball floats : en
  • CH261953A - Process for embossing smooth leather cloths. : de en
  • US2473151A - Mercury vapor rectifying apparatus : en
  • USD154147S - Design for a tile floor and wall covering : en
  • GB624791A - Improvements in or relating to splitting, skiving or like machines : en
  • USD154167S - Design fob a tile floor and wall covering : en
  • ES188061A1 - A WEIGHT APPARATUS FOR THE STRETCHING MECHANISM OF A TEXTILE SPINNING MACHINE OR SIMILAR : en es
  • US2472957A - Tuning control system for signal seeking receivers : en
  • US2472874A - Lady's portable powder dispenser : en
  • USD154149S - Tile floor and wall covering : en
  • ES186711A1 - A TELEGRAPH SIGNAL TRANSMITTER SYSTEM : en es
  • GB624849A - Improvements in and relating to vegetable cutters : en
  • ES18681Y - Apparatus for cutting the threads of the beans. : en es
  • ES184742A1 - A PROCEDURE AND MACHINE FOR THE MANUFACTURE OF CONSTRUCTION SLABS, ESPECIALLY OF INDOOR WATERPROOF AND OF LITTLE THICKNESS FROM HARDENED MATTERS BY SCRUB, AS CONCRETE FOR EXAMPLE : en es
  • ES18698Y - Uterine ligamentopexy forceps. : en es
  • USD154125S - Design for a lace tablecloth : en
  • CH261975A - Process for the production of a vat dye. : de en
  • FR946778A - Improvements to board games : en fr
  • ES187163A1 - A METHOD OF PREPARING AN INJECTABLE PENICILLIN PRODUCT : en es
  • FR946827A - Tensioned wire feed mechanism for straight cross needle looms : en fr
  • FR946837A - Improvements to seals of discharge tubes and the like : en fr
  • FR946814A - Assembly of the two separate elements, heating body and tip in an immediately interchangeable assembly for low voltage soldering iron : en fr
  • GB624804A - Means of ascertaining the moisture content of granular material : en
  • FR946937A - Staple-tensioner for transmission belts : en fr
  • DK69333C - Coupling for tone color control of high tone frequency oscillations. : da en
  • ES187161A1 - IMPROVEMENTS IN THE DEVICES FOR AIR COOLING OF ENGINES, ESPECIALLY FOR BIKES : en es
  • FR946842A - Device for controlling the amplitude and phase of an alternating current by a direct current : en fr
  • DK69359C - Process for the production of high-profile sheets of fine aluminum alloys. : da en
  • CH262063A - Friction gears. : de en
  • ES19979U - Protection element for the ignition distributors of the explosion and similar engines. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946925A - Communication system : en fr
  • ES187057A1 - BOGIE DOUBLE AXLE MOTOR FOR VEHICLES OF VIA FÉRREA : en es
  • ES18742Y - Lamp holder with its own device for direct connection to provisional power lines. : en es
  • GB624698A - Electrodes for piezoelectric crystal elements and methods of applying same : en
  • GB624892A - Dust screen for domestic fireplaces : en
  • US2472998A - Method and apparatus for heattreating liquids : en
  • CH261948A - Dye preparation. : de en
  • AU2445445A - Improvements in or relating to electrical timing circuit arrangements and to electrical circuit arrangements for generating electrical waveforms : en
  • CH262169A - Process for the preparation of a brown polyazo dye. : de en
  • GB624742A - Improvements in or relating to control and ignition apparatus for fuel burners : en
  • US2473314A - Supervisory signaling device : en
  • ES187544A1 - A HEATING SYSTEM FOR ENVIRONMENTS : en es
  • FR946751A - Dressing fabric : en fr
  • GB624917A - Preservation of rubber latex : en
  • ES18622Y - Device for sharpening pencils and other pointed objects. : en es
  • FR946815A - Device for demagnetizing iron or steel parts : en fr
  • ES187928A1 - IMPROVEMENTS INTRODUCED IN ELECTRICAL MACHINES : en es
  • US2473243A - Coating machine for flexible sheet materials : en
  • FR946906A - Improvements to scutching machines : en fr
  • GR12066B - METHOD FOR THE CONSTRUCTION OF BUILDINGS FOR PREFABRICATED ELEMENTS. : el en
  • ES188015A1 - MECHANISM MULTIPLIER OF THE REACH OF THE WEIGHTS, APPLICABLE TO THE DEVICE AUTOMATIC INDICATOR OF THE BRIDGE SCALES INTENDED TO THE HEAVY OF TRUCKS OR WAGONS : en es
  • ES18893Y - Mirror-based frame and ornaments on it. : en es
  • FR946843A - Electrical circuit : en fr
  • GB624571A - Improvements in construction of fireplaces and surrounds : en
  • GB624598A - Improvements in trip mechanism of automatic circuit breakers and similar electrical switchgear : en
  • USD154192S - Tucker automobile : en
  • ES18716Y - Device to purify the atmosphere avoiding the dryness produced by heating, due to the conditions it has to be coupled to water radiators or electrical elements. : en es
  • GB624831A - Improvements in or relating to inspection doors : en
  • ES19854U - Applicable crossbow of fittings adaptable to any slope (Machine-translation by Google Translate, not legally binding) : en es
  • CH261907A - Process for treating solid, absorbent materials to protect them from animal pests. : de en
  • AU142604B2 - Improvements relating to gland packings : en
  • ES16309Y - Capachos or capachetes for pressing oil or grape pulps. : en es
  • ES187942A1 - AN ELEVATOR DEVICE FOR AUTOMOBILE TRUCKS : en es
  • AU2191048A - Improved means for spraying sheep andother animals : en
  • FR946787A - Shaped glass pieces : en fr
  • GB624635A - Improvements in or relating to lamp shades : en
  • US2473016A - Method of reducing cut-growth rate of rubberlike butadienestyrene copolymer : en
  • US2473239A - Wall cabinet having a vertically swingable section : en
  • AU132989B2 - Improvements in or relating to sash balances : en
  • AU2702049A - Process and shuttering for moulding material fora building or structure in situ : en
  • CH262110A - Surgical device particularly used for examining and treating hemorrhoids. : de en
  • ES18850Y - Floor for footwear. : en es
  • FR946908A - Packing for pistons, shafts, etc. : en fr
  • GB624889A - Improvements in separator members for use in powder metallurgical processes and in alloys therefor : en
  • ES187938A1 - A PROCEDURE FOR THE PREPARATION OF WHITE CINC OXIDE, STARTING FROM CARBONATED MINES OF CINC : en es
  • CH262153A - Compressed air brake back-engagement device for vehicles. : en fr
  • US2473445A - Spring cambering machine : en
  • US2473007A - Dish cleaning and garbage collecting machine : en
  • US2473015A - Acid treatment of heterocyclic imide and imidazole vat dyestuffs : en
  • CA457324A - Tool for cleaning watch movements : en fr
  • CH262122A - Frequency discriminator device. : en fr
  • CH262025A - Manufacturing process of a steel and steel obtained by this process. : en fr
  • US2472971A - Manufacture of corn products : en
  • US2473426A - Electrical apparatus : en
  • FR946792A - Method for anchoring inserts in sintered bodies : en fr
  • CH261970A - Process for cleaning gaseous media contaminated by solid or liquid components and device for carrying out the process. : de en
  • FR946757A - Store : en fr
  • US2472870A - Mass spectrometry : en
  • US2472912A - Method of drying alcohols : en
  • US2473300A - Ski tow device : en
  • ES187054A3 - PROCEDURE TO REDUCE THE FLAMMABILITY OF FIBROUS MATERIALS AND MAKE THEM RESISTANT TO MOLD : en es
  • CH261893A - Agricultural vehicle. : de en
  • GB624672A - Improvements in or relating to lifting tackle : en
  • GB624765A - Improvements in and relating to apparatus for the drafting of fibres : en
  • US2473076A - Collapsible structure for ice fishing : en
  • US2473210A - Harmonica and wind cell block therefor : en
  • US2472848A - Method of electric butt-welding metallic container seams : en
  • USD154126S - Design for a kound comb : en
  • FR946855A - Process for preparing homogeneous powders and powder mixtures intended for powder metallurgy : en fr
  • CH261921A - Electric boiler. : de en
  • CH262102A - Band stop filter. : de en
  • US2473150A - Gas trap : en
  • US2473263A - Electric switch : en
  • US2473328A - Line balance converter : en
  • CH262152A - Device for regulating the pressure of the brake pipe in an automatic compressed air brake. : en fr
  • AU2279045A - Improvements in radio navigational systems : en
  • CH262082A - DC supply arrangement. : de en
  • CH262047A - Watch band lock. : de en
  • AU138623B2 - Improved bakers peel : en
  • CA457316A - Paint mixing machine : en fr
  • ES18656Y - Pocket case with cleaning sheets. : en es
  • US2472798A - Low-pass filter system : en
  • US2473013A - Valve actuating mechanism : en
  • US2473122A - Open-top refrigerated display case : en
  • CA457341A - Engine starter control : en fr
  • CH262178A - Clasp for link. : en fr
  • US2472796A - Anode rod for plating tanks : en
  • US2473341A - Unsaturated halogen-containing nitro compounds and their production : en
  • ES18907Y - Bullseye focus. : en es
  • CH261947A - Run-resistant knit, process for its manufacture and knitting machine for implementing this process. : en fr
  • CH262118A - Automatic dispenser for ice cream tablets and similar products. : en fr
  • AU2765549A - Copolymeric coating compositions and base materials coated therewith : en
  • US2472809A - Illuminated reticle attachment for telescopes : en
  • US2473325A - Combined electric fan and air heating means : en
  • US2473198A - Hair waver : en
  • US2473494A - Electric motor control apparatus : en
  • US2473058A - Awning bracket : en
  • US2473307A - Shim : en
  • US2473066A - Vacuum cleaner : en
  • US2473358A - Cathode coating for electron discharge devices : en
  • US2473175A - Radio direction-finding system : en
  • ES186820A1 - AN APPARATUS TO STABILIZE THE FREQUENCY OF A MICROWAVE OSCILLATOR : en es
  • ES18708Y - Flexible metal gasket for internal combustion and internal combustion engines, steam machines and generators and pressure vessels in general. : en es
  • FR946780A - Cutting machine for berets, fez, chechias and similar objects : en fr
  • GB624806A - Loader coal mining machine : en
  • ES15473Y - Circular ribbed metal lid for hermetic closing of glass canning glasses. : en es
  • ES19960U - Security displays against bank robberies and other similar establishments (Machine-translation by Google Translate, not legally binding) : en es
  • FR946882A - Intermediates for dyes : en fr
  • CA457370A - Preparation of difluoroethane : en fr
  • CH262094A - Electrical switch, in particular star-delta switch for electric motors. : de en
  • US2473315A - Cotton harvester : en
  • ES19774U - Case for gummed paper ribbons and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • CH261899A - Process for the preparation of 2,4,5-trichloro-phenylacetic acid. : de en
  • CH262123A - Radioelectric device allowing to work with great precision in a wide range of frequencies. : en fr
  • ES186764A1 - A SERVOMOTOR SYSTEM : en es
  • ES18955Y - Perfected nightgown for babies. : en es
  • AU145560B2 - Process and shuttering for moulding material fora building or structure in situ : en
  • CA457344A - Reaction products of aldehydes and triazine derivatives : en fr
  • CH262086A - Device for selective control of several control elements, consisting in particular of electric switches. : en fr
  • CH262059A - Sealing device for shafts, especially with axial movement. : en it
  • AU149440B2 - Brightness and contrast control for television receivers : en
  • CH262111A - Dentist drill. : de en
  • GB624912A - Improvements in or relating to two-stroke cycle internal-combustion engines : en
  • CH261999A - Automatic firearm. : de en
  • AU2757549A - Lid stay : en
  • CA457398A - Selecting and actuating mechanism for electric switches : en fr
  • FR946856A - Boiler with at least two combustion chambers for pulverized fuel : en fr
  • ES18891Y - Deafness correction electrical device. : en es
  • US2473020A - Ferrochromium : en
  • CH262064A - Support and lifting device with a platform that can be raised and lowered. : de en
  • GB624618A - Improvements in and relating to steam power producing plant : en
  • GB624686A - Improvements in and relating to electric control circuits : en
  • GB624693A - Improvements in or relating to printing telegraph apparatus : en
  • CA457359A - Aircraft breathing oxygen regulator : en fr
  • US2472872A - Flareless tube coupling : en
  • FR946732A - Variable contacts : en fr
  • CA457312A - Pulping machine : en fr
  • BE489274A - : en
  • ES186782A1 - AN ANTIPARASITARY TIMBRE : en es
  • GB624854A - Improvements relating to means for tracing or checking the contours of shaped profiles : en
  • GR12070B - CHILDREN'S TOY WAS THE METHOD OF EJECTION EQUIPMENT IN MOVEMENT OF ROTARY WHEEL. : el en
  • ES18739Y - Pocket mirror combined with lipstick case. : en es
  • GB624681A - Improvements in or relating to ratchet and pawl devices for clock mechanism : en
  • GB624874A - Improvements in sound recording and reproducing machines : en
  • GB624919A - Combined notepaper and envelope : en
  • GB624648A - Improvements in or relating to injectors for feeding granular material : en
  • GB624656A - Improvements in and relating to dynamometer apparatus : en
  • US2472917A - Rotary aircraft athodyd motor : en
  • US2473100A - Paper machine wire stringing device : en
  • US2473117A - System for controlling the pressure in the cabin of an aircraft or the like : en
  • US2473178A - Ice tray : en
  • DK69371C - Machine for machining the edge part of a shoe sole. : da en
  • ES19994U - Case briefcase for travel blankets and other uses. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18861Y - Eye and ear coverage. : en es
  • FR946920A - Antenna : en fr
  • US2473438A - Call transmitter : en
  • FR946701A - Ear sound amplifier device : en fr
  • US2473196A - Combined thermal-magnetic circuit breaker : en
  • US2473288A - Combination table utensil : en
  • ES187933A1 - A MACHINE TO CUT CARTON TUBES : en es
  • FR946729A - Device for capturing and purifying gases which are released during electrolyses in aqueous medium : en fr
  • US2473215A - Hop and leaf separator : en
  • ES187943A1 - NEW SYSTEM FOR PROJECTING MOBILE IMAGES IN DEFORMED DISPOSITION : en es
  • ES19005Y - Device to hold the papers, samples or archived documents in a filing folder. : en es
  • GB624560A - Improvements in or relating to double-current audio-frequency telegraphic transmission systems : en
  • CH261960A - Footwear. : de en
  • CH262001A - Precision measuring device. : en fr
  • US2472924A - Electric drive for gas turbine locomotives : en
  • US2473490A - Means to straighten shoe soles : en
  • US2473244A - Dynamoelectric machine : en
  • US2473423A - Antihunt electrical servo system : en
  • USD154137S - Nichols passenger loading ramp : en
  • US2472833A - Process for the preparation of a silica-group vill metal oxide catalyst : en
  • US2473022A - Combined carrying case and table : en
  • FR946740A - Improvements to electronic analyzers : en fr
  • ES18995Y - Floor model for footwear. : en es
  • GB624901A - Improvements in or relating to stop motions for textile milling and scouring machines : en
  • US2473454A - Antenna : en
  • US2473186A - Hair curl holder pin : en
  • ES17065Y - Folding armchair for field and beach. : en es
  • FR946790A - Thermionic tube : en fr
  • GB624561A - Improvements in or relating to electrical signalling systems : en
  • US2473444A - Computing system : en
  • DK69363C - Cattle binding. : da en
  • ES20039U - Inverter electrical interuptor device. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946874A - Special hook for extracting beans or other canned foods : en fr
  • GB624824A - Improvements relating to shaft couplings : en
  • US2473012A - Truck bolster interlocking device : en
  • GB624668A - Improvements relating to hoists : en
  • US2473407A - Disk supporting jig while treating the edge of the disk : en
  • US2473451A - Cloth marking and cutting machine : en
  • USD154131S - Design fob a handbag : en
  • ES18738Y - Upgraded protective goggles for welding and other workshop work. : en es
  • ES19942U - Universal lampholder (Machine-translation by Google Translate, not legally binding) : en es
  • ES18623Y - Fountain pen with multiple ball points, with its independent deposits in parallel. : en es
  • ES20027U - Case cover for clinical thermometers. (Machine-translation by Google Translate, not legally binding) : en es
  • US2473488A - Vortical current separator : en
  • GB624786A - Improvements in or relating to multiple cell electric battery and method of making the same : en
  • ES18812Y - Perfected tap for pressurized water. : en es
  • FR946831A - Improvements to navigation instruments : en fr
  • FR946858A - Seal : en fr
  • US2473286A - Flexible shaft machine : en
  • ES19945U - Guillotine or manual device to cut papers and other uses. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18763Y - Dancing doll. : en es
  • ES18885Y - Ironing board with folding foot, automatic operation. : en es
  • FR946821A - Recording and reproduction process for sound relief : en fr
  • GB624633A - Improvements in and relating to the treatment of fibrous material : en
  • ES187294A1 - IMPROVEMENTS IN THE PHOTOCHEMICAL PROCEDURE OF ENGRAVING OR PRINTING CRYSTAL : en es
  • ES187926A1 - A PROCEDURE ON HAIR DRYERS FOR HAIR : en es
  • ES18909Y - Male to thread. : en es
  • GB624843A - Improved means for injecting fuel into constant pressure (diesel) internal combustion engines : en
  • FR946945A - Building material and artefacts thereof : en fr
  • GB624827A - Combined impeller and closure : en
  • US2473172A - Shuttle-guiding device in circular looms : en
  • USD154173S - Design for a tile floor and wall covering : en
  • US2473370A - Pour point depressant for oil compositions : en
  • ES19893U - Multiple twin toothbrushes. (Machine-translation by Google Translate, not legally binding) : en es
  • ES19988U - Screws for transmission with angular tolerance. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624621A - Improvements in or connected with testing machines : en
  • IE18392L - Transmission mechanisms : en
  • US2472989A - Portable truck : en
  • ES19985U - Insulating handles for kitchenware (Machine-translation by Google Translate, not legally binding) : en es
  • GB624646A - Improvements in guards for machinery : en
  • US2472799A - Method for the production of alkalimetal salts of triorgano-silanols : en
  • US2473410A - Device for lifting and transporting objects : en
  • CA457397A - Thermal retarder unit : en fr
  • ES186845A1 - A NEW PROCEDURE FOR THE CONSERVATION OF RAW ANIMAL FOODS AND PRODUCTS : en es
  • ES187965A1 - A CONSTRUCTION SYSTEM FOR VERITAL FACTORY WORKS BASED ON ASSEMBLED BLOCKS : en es
  • ES18674Y - Rattle-toy. : en es
  • GB624647A - Saw frames : en
  • GB624805A - Cutter-loader coal mining machine : en
  • GB624599A - Improvements in thermal overload release devices for automatic circuit breakers : en
  • US2472910A - Tetrahydro-1-hydroxy-2-and-3-naphthamidobenzaldehydes and their acetals with lower alkanols and 1,2-and 1,3-alkanediols : en
  • US2472947A - Universal cargo aircraft : en
  • ES19976U - Jaw. (Machine-translation by Google Translate, not legally binding) : en es
  • ES19986U - Waterproof with air passages. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624836A - Improvements in and relating to pulse amplifiers : en
  • ES18866Y - Device for signs and indicators on public roads : en es
  • GB624605A - Improvements in or relating to apparatus for effecting intimate and thorough exchange between a gas and a liquid : en
  • US2473003A - Purification of chloral containing under-chlorinated constituents : en
  • USD154119S - Design for a handbag : en
  • ES186852A1 - A PROCEDURE FOR THE OBTAINING OF FIBER OF THE PALM AND ALSO CALLED PALMITO LEAF : en es
  • FR946706A - Power regulator for electric oscillation transmitter : en fr
  • ES18894Y - Tile type for wall coverings. : en es
  • GB624914A - Improvements in carbon black : en
  • US2473085A - Cover clamp for pressing machines : en
  • US2473265A - Audio-frequency amplifier : en
  • USD154118S - Design for a scarf : en
  • ES20001U - Signal disk and order (Machine-translation by Google Translate, not legally binding) : en es
  • GB624574A - A mechanical device for tensioning metal bands entering and leaving rolling mills : en
  • GB624592A - Improvements in or relating to electric arc welding apparatus : en
  • GB624828A - Improvements in or relating to combustion apparatus : en
  • US2473322A - Refrigerator having means for minimizing condensation : en
  • ES187000A1 - A PROCEDURE FOR THE MANUFACTURE OF WAVE PLATES OF FIBROCEMENT OR SIMILAR MATERIALS : en es
  • ES187895A1 - A NEW CENTRIFUGAL PUMP SYSTEM WITH REDUCED SPEED RATE : en es
  • GB624578A - Manufacture of biguanide derivatives : en
  • GB624873A - Improvements in or relating to cans or boxes provided with means for opening by tearing : en
  • US2472829A - Peak accelerometer : en
  • ES187960A3 - IMPROVEMENTS IN THE MANUFACTURE OF PHONOGRAPHIC DISCS : en es
  • ES188053A1 - A ELASTIC CONNECTION ASSEMBLY SYSTEM FOR POCKET LIGHTS : en es
  • ES19952U - Folding support chair. (Machine-translation by Google Translate, not legally binding) : en es
  • US2473326A - Composition suitable for the construction of roads, paths, floors, airdrome runways, and the like : en
  • FR946928A - Turbine equipment : en fr
  • ES19269Y - Clamping device for false jaws on bench vices. : en es
  • FR946893A - Fluid pump improvements : en fr
  • AU142573B2 - improvements relating to highchairs : en
  • US2472802A - Lubrication system : en
  • CA457384A - Wire strapping tool : en fr
  • GB624711A - Improvements in or relating to light-polarizing headlights : en
  • AU147328B2 - A method and apparatus for producing a wall unit : en
  • CH261957A - Apparatus for forming and drying felt for milliners. : en fr
  • CH262108A - Generator for generating pulses of predetermined duration at predetermined time intervals. : de en
  • US2473047A - Portable clothes drier : en
  • CA457409A - Pyrimidine compounds : en fr
  • CA457329A - Transport container : en fr
  • US2473053A - Register construction : en
  • CA457351A - Glass working : en fr
  • AU146053B2 - Improvements in or relating tothe preparation of catalysts : en
  • GB624819A - Process of producing poly-n-vinyl pyrrole compounds : en
  • AU2771749A - Shock absorber : en
  • CA457360A - Non glare safety glass : en fr
  • CA457338A - Production of methacrylates : en fr
  • US2473398A - Device on which to form miniature ladders, etc. : en
  • US2473149A - Mechanical pencil with step-by-steplead feeding means : en
  • BE489099A - : en fr
  • US2473041A - High-frequency electrostatic field apparatus for egg pasteurization : en
  • AU2701449A - Improvements in or relating to moulding concrete blocks : en
  • CH262043A - Parallel jaw pliers. : de en
  • AU141196B2 - Improvements in core shuttering suitable for moulding hollow concrete walls : en
  • CH261932A - Process and device for the production of mainly tar-free carbon-oxide-containing gas. : de en
  • ES187964A1 - A NEW PROCEDURE TO EXECUTE CONSTRUCTION ELEMENTS : en es
  • US2473143A - Electrostatic bonding machine : en
  • US2473230A - Extrusion apparatus : en
  • CH262070A - Four-stroke internal combustion engine. : de en
  • US2472832A - Process for the preparation of a silica-group iv metal oxide catalyst : en
  • US2473443A - Ultra high frequency rotatable joint : en
  • BE489082A - : en nl
  • CH262140A - Folding box. : de en
  • US2473214A - Type lock for mailing galleys : en
  • NL63398C - : en
  • US2472803A - Welding apparatus : en
  • US2473228A - Tool for inserting fasteners in machine belting : en
  • AU132828B2 - Manufacture of pipes and tubes : en
  • FR946761A - Disc stack for rapid processing and continuous automatic lifting of fibrous pastes : en fr
  • BE489237A - : en
  • FR946944A - Improvement in high pressure heat exchangers : en fr
  • ES187897A1 - AN IMPROVED INSTALLATION FOR MANUFACTURING ROUND DROPPED STICKS : en es
  • FR946793A - Heat exchange device : en fr
  • GB624881A - Improvements in or relating to eddy current heating screens : en
  • GB624903A - Improvements in and relating to the injection moulding of plastic materials : en
  • CH261933A - Electric immersion heater. : en fr
  • CH261920A - Process for operating power and heating systems and equipment for carrying out the process. : de en
  • US2473183A - Electrically conductive fabric : en
  • AU2758949A - Improvements in or relating to radiating or receiving devices for electromagnetic waves : en
  • ES18752Y - Aluminum molds for molding rubber. : en es
  • US2472992A - Evaporator for therapeutic : en
  • USD154098S - Design fob a fish lure : en
  • ES18335Y - Floor for footwear. : en es
  • ES187460A1 - A METHOD FOR THE NEUTRALIZATION OF SOLUTIONS OR FUSIONS OF NITRATE CONTAINING PHOSPHATE IONS : en es
  • GB624674A - Improvements in and relating to thermionic valve amplifiers : en
  • GB624745A - Improvements in or relating to feeding devices for threshing machines : en
  • ES18734Y - Double flanged spool or reel. : en es
  • FR946791A - Manufacturing process of iron-antimony alloys : en fr
  • BE489263A - Herbicide products and process : en fr
  • ES187993A3 - PERFECTED INSTRUMENT FOR SHARPENING WRITING, DRAWING AND MARKING MINES : en es
  • ES18820Y - Spigot. : en es
  • ES19961U - Soundy cucurucho (Machine-translation by Google Translate, not legally binding) : en es
  • ES20030U - Automatic and hermetic stopper for bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946879A - Method and apparatus for the continuous distillation of solvents or volatile liquids : en fr
  • CH261923A - Tool for cutting stones. : en fr
  • ES19966U - Cradle with swinging movement. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624808A - Collapsible perambulator : en
  • CH262146A - Motor vehicle with three wheels. : de en
  • ES19969U - Gravity toy (Machine-translation by Google Translate, not legally binding) : en es
  • AU2706249A - An electric insulator chain : en
  • AU2763749A - Improvements relating tothe smelting of raw materials containing titanic acid : en
  • FR946924A - High frequency stabilized amplifier : en fr
  • GB624922A - Protective arrangement for the windings of electrical alternating current machines : en
  • ES18725Y - Plug. : en es
  • ES18892Y - Improved device for cleaning mechanical grates. : en es
  • US2472897A - Xylyl trichlorothiolacetate : en
  • USD154128S - Lamp standard or similar article : en
  • US2473113A - Hosiery support or garter : en
  • US2472835A - Dispensing cigarette lighter : en
  • AU145037B2 - An electric insulator chain : en
  • CH262012A - Stahlton voice recorder. : de en
  • ES17610Y - Comb with adjustable cutting device : en es
  • FR946754A - Prefabrication process for walls and floors : en fr
  • GB624612A - Improvements in and relating to cam devices for imparting varying feed-increments to tool-holders of machine tools and the like displaceable elements of machines : en
  • FR946890A - Improvements in the assembly of floating bearings : en fr
  • ES186950A1 - A PROCEDURE FOR THE MANUFACTURE OF ARTIFICIAL THREADS AND FILAMENTS STARTING FROM VISCOSA : en es
  • FR946912A - Electric verifier-purifier-press : en fr
  • CH261917A - Method of consolidating and sealing soils. : de en
  • CH262041A - Method and device for the fragmentation of wood and other fibrous materials. : en fr
  • US2473192A - Coil for weed burners and pear burners : en
  • ES18747Y - Shaped elastic girdle for women. : en es
  • CH261931A - Process for the production of articulated glass tubes, means for carrying out the process and articulated glass tube. : de en
  • ES186531A1 - A COUPLING FINETA ESTANCA PARA CAÑOS : en es
  • GB624798A - Improvements in hydro-pneumatic or pneumatic accumulators with adjustable power for guns : en
  • NL63342C - : en
  • US2473424A - Gas tube controlled servo system : en
  • CH262029A - Method of centrifugal casting of a tubular metal element and permanent metal mold for the implementation of this method. : en fr
  • US2472813A - Tandem axle construction : en
  • ES19982U - Automatic mercury cut-off. (Machine-translation by Google Translate, not legally binding) : en es
  • US2472845A - Tensiometer : en
  • US2473379A - Teat cup : en
  • AU323646A - Improvements in or relating to sash balances : en
  • CH261904A - Planter. : de en
  • ES18626Y - Shears. : en es
  • ES18800Y - Union for belts and the like. : en es
  • ES20054U - Universal tool (Machine-translation by Google Translate, not legally binding) : en es
  • FR946747A - Wear-resistant, impact-proof cast drill holders for reaming oil heater tubes : en fr
  • ES19604U - Ball game (Machine-translation by Google Translate, not legally binding) : en es
  • FR946896A - Device for using endless strips of fabric on rubbers or the like : en fr
  • GB624650A - Means for gauging or checking screw-threads : en
  • FR946877A - Eye contact lens : en fr
  • US2473027A - Spring product and method of forming same : en
  • CH261984A - Punch and stapler. : de en
  • DK69328C - Holder for calendar block. : da en
  • ES187994A1 - A PROCEDURE FOR THE TREATMENT OF DEAD ANIMALS AND THEIR DEMANDS : en es
  • DK69332C - Apparatus for regulating the synchronous operation of telegraph apparatus. : da en
  • ES186933A3 - IMPROVEMENTS IN THE CONSTRUCTION OF CIRCULAR LOOMS FOR GRIPS : en es
  • DK69354C - Method for the prevention of tearing of the edges of cut, flat products of plastic masses. : da en
  • USD154095S - Brooch or similar article : en
  • FR946835A - Automatic clasp for metal bracelets of all kinds : en fr
  • FR946735A - Bra : en fr
  • CH262023A - Rolling device. : de en
  • ES187031A2 - A PROCEDURE FOR COLORING GLASSES : en es
  • ES20260U - Auxiliary acoustic device for telephone hearing (Machine-translation by Google Translate, not legally binding) : en es
  • GB624642A - Improvements in and relating to fertilizers containing urea : en
  • ES187430A1 - AN ELECTRICAL DISCHARGE PIPE THAT COMPRISES A CATHODE OF INDIRECT CODE TYPE : en es
  • FR946806A - Tuning control systems for radio and analog devices : en fr
  • US2473018A - Building structure : en
  • ES20033U - Improved notebook sheet for annotations (Machine-translation by Google Translate, not legally binding) : en es
  • ES187746A1 - IMPROVEMENTS INTRODUCED IN THE PREPARATION OF SODIUM BICARBONATE COMPOSITIONS : en es
  • ES19297Y - Grotesque figures of people and animals with. luminous eyes : en es
  • ES188003A2 - A PROCEDURE FOR OBTAINING AN INSECTICIDE : en es
  • ES188055A1 - IMPROVEMENTS IN AUTOMATIC LOADING BRAKES : en es
  • FR946749A - Pipe fitting : en fr
  • CA457396A - Snap acting thermostatic switch : en fr
  • DK69339C - Electrical insulation material consisting of highly acylated cellulose esters. : da en
  • GB624725A - Improvements in or relating to radar equipment utilizing the doppler effect for detecting relatively moving objects : en
  • US2473377A - Ground wire system : en
  • USD154191S - Design for a portable beverage dispenser : en
  • FR946894A - Improvements to magnetos : en fr
  • CH262000A - Stop bracket. : de en
  • CH261905A - Device for brushing animals. : en fr
  • CH262074A - Condensate drain for low-pressure steam heating. : de en
  • CH262136A - Briefcase. : en fr
  • US2473485A - Thermal overload device : en
  • ES20023U - Lamp-bell for bicycles and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624743A - A process for the production of catalysts : en
  • GB624872A - Coupling device for two co-linear shafts : en
  • US2473487A - Time-interval indicator : en
  • GB624644A - Improvements in acetylene generators : en
  • AU2769149A - Improvements in or relating to variable reactances and to control devices comprising such reactances : en
  • CA457425A - Treatment of textile materials : en fr
  • ES19954U - Filing cabinet or file incombustible, with body and refractory walls. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946715A - Shower cabin : en fr
  • DK69355C - Method for treating tobacco. : da en
  • US2472869A - Island for well drilling : en
  • US2472889A - Photovision : en
  • US2473384A - Apparatus for and method of returning purged inert gas to an absorption refrigerating system : en
  • USD154153S - Design for a tile floor and wall covering : en
  • US2473084A - Weighing scale poise : en
  • US2473124A - Polyallyl type alcohols and process for production thereof : en
  • US2473464A - Remote control : en
  • CH261973A - A method of making high molecular weight alcohol. : en fr
  • AU145997B2 - Improvements in or relating to pneumatic guns : en
  • US2473256A - Electric controller : en
  • AU2702249A - An improved thresher bar and thresher bar and thresher for removing grain from heads and straw : en
  • ES19927U - Apparatus to extract liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • CH262010A - Measuring device. : en fr
  • ES19980U - Special packaging for the packaging of film rolls for photographic machines. (Machine-translation by Google Translate, not legally binding) : en es
  • USD154094S - Design for an earring rack : en
  • US2472939A - Crate having lifting means : en
  • US2473279A - Curb inlet casting : en
  • AU2704149A - Improvements relating tothe construction of buildings especially temporary or portable covered enclosures : en
  • CH261903A - Method of dressing seeds. : de en
  • CA457401A - Electric discharge device : en fr
  • CH262145A - Windshield wipers for vehicles. : de en
  • US2472900A - Vinyl chloride resins plasticized with diester-amides : en
  • CA457352A - Revolving high-velocity jet for hollow-head-type barkers having low-pressure water-supply : en fr
  • US2472990A - Needle for sewing braided rugs : en
  • US2473111A - Process for production of z-amino : en
  • US2473257A - Dynamoelectric machine construction : en
  • AU2769049A - Improvements in or relating to wiper switches : en
  • CH262069A - Method for operating an internal combustion engine and device for carrying out the method. : de en
  • ES20006U - Elastic joint for ball joints. (Machine-translation by Google Translate, not legally binding) : en es
  • CH262077A - Method for operating an electric motor with direct current variable speed by the field, and apparatus for implementing this method. : en fr
  • FR946940A - Turner : en fr
  • USD154144S - Finger pull for zippers and the like : en
  • BE489336A - : en fr
  • CH262002A - Device for testing pairs of gears according to the single-flank generating method. : de en
  • US2472782A - Wave modifying reflector : en
  • US2473365A - Seat : en
  • AU149368B2 - Improvements inthe production of regenerated cellulose yarns andthe like : en
  • US2472876A - Rotary disk knife : en
  • US2473262A - Wide band high-frequency transmission line : en
  • USRE23123E - Idler system for phonograph : en
  • CH261955A - Slide fastener on a garment. : de en
  • CH261918A - Cooking stove hot plate. : en fr
  • CH262061A - Sealing device. : en fr
  • US2473463A - Alkylated melamine-formaldehyde liquid compositions : en
  • ES187015A1 - A PROCEDURE AND APPARATUS FOR THE SPRAYING OF LIQUIDS : en es
  • ES187957A2 - A PROCEDURE FOR SWITCHING SINGLE-PHASE POLYPHASE COLLECTOR MACHINES : en es
  • ES18838Y - Device for concealing tapes or other maneuvering mechanisms for blinds, curtains, awnings or similar. : en es
  • FR946922A - Principle of electrical assemblies for cookers and other electric heating devices : en fr
  • AU130909B2 - Improvements in or connected with vibration damping mountings for optical observation instruments : en
  • AU2697049A - Improvements in straight bar knitting machines : en
  • CA457336A - Slushing oil : en fr
  • AU151156B2 - Improvements in or relating to information storage means : en
  • CA457413A - Mineral oil composition and improving agent therefor : en fr
  • CH261908A - Process for dehumidifying the subsoil of buildings and systems for carrying out the process. : de en
  • US2472790A - Method of preparing starch paste : en
  • US2473011A - Spring group : en
  • US2473293A - Venetian blind bracket : en
  • US2473432A - Electronic square wave signal generator : en
  • USD154162S - Design fob a tile floob and wall covebing : en
  • CH261927A - Device for holding window sashes and doors in the open position. : de en
  • ES187914A1 - A NEW AUTOMATIC CLUTCH COUPLING SYSTEM FOR JOINTS : en es
  • ES187987A1 - A PROCEDURE WITH ITS CORRESPONDING DEVICE TO PREVENT THE FILLING OF BOTTLES AND OTHER CONTAINERS OF GLASS OR CRYSTAL GOLLET : en es
  • ES188059A1 - A NEW CHEMICAL PROCEDURE TO FACILITATE THE SPINNING OF COTONIZED FIBERS : en es
  • US2473193A - Reciprocating conveyer : en
  • US2473313A - Lawn mower grinder : en
  • USD154157S - Design fob a tile floor and wall covering : en
  • US2473428A - Key holder : en
  • US2472968A - Drilling machine : en
  • US2473254A - Piston with annular heat dam in the head : en
  • USD154189S - Design fob a plane : en
  • US2473327A - Implement for winding and folding harvesting sheets : en
  • US2472886A - Turbine blade lashing : en
  • US2472975A - Machine for making circular form tools : en
  • US2473094A - Control mechanism : en
  • US2472859A - Cylindrical handbag having flexible side walls : en
  • US2473090A - Telescoping collapsible chair : en
  • US2473225A - Reversible buckle : en
  • ES187473A1 - A PROCEDURE OF SAVINGS AND PURCHASE : en es
  • ES188075A3 - IMPROVEMENTS IN THE CONSTRUCTION OF INSULATING GLASSES : en es
  • FR946721A - Special lacquers for paints, cosmetics, eyeshadows, lipsticks and similar products : en fr
  • FR946921A - Device for producing in both directions relative movements of two elements cooperating with each other : en fr
  • US2473121A - 3-alkylsulfonamido-pyridinium salts : en
  • USD154177S - Design fob a tile floor and wall covering : en
  • US2473082A - Toilet seat lifter : en
  • US2473101A - Molder's flask : en
  • US2473202A - Telegraph system with code conversion and error detection : en
  • ES187764A1 - A STRETCHER-OVEN FOR GENERAL BATHROOMS OR LOCAL APPLICATIONS OF DRY HEAT, ESPECIALLY FOR THE TREATMENT OF CHRONIC RHEUMATISM, OBESITY, DROPS, DETOXIFICATION CURES AND OTHER AFFECTIONS : en es
  • ES19781U - Corset perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946742A - New soap purification process : en fr
  • GB624566A - Improvements in or relating to electromagnetic vibratory devices : en
  • ES18718Y - Box for the bells of the electric bells. : en es
  • ES20053U - Perpetual calendar. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624751A - Improvements in and relating to the decoration of non-transparent heat-resisting bases, such as earthenware, china or porcelain : en
  • US2473031A - Electron multiplier for ultra high frequencies : en
  • ES186893A1 - A NEW APPARATUS TO GENERATE DRIVE FORCE : en es
  • ES187082A1 - A PROCEDURE FOR THE MANUFACTURE OF THREADS AND ARTIFICIAL FILAMENTS, DEPARTING FROM VISCOSA : en es
  • ES188010A1 - A PROCEDURE FOR OBTAINING A COATING OF PLATES OF PRESSED WOOD FIBERS CONTAINING AN ARTIFICIAL MATERIAL : en es
  • DK69361C - Machine for picking potatoes and other root vegetables. : da en
  • US2472834A - Cracking catalyst : en
  • US2473289A - Passing of warp threads through reeds : en
  • ES20057U - Universal can opener (Machine-translation by Google Translate, not legally binding) : en es
  • ES186888A1 - AN INSTALLATION FOR THE DISCHARGE AND STORAGE OF BEETS OR OTHER PRODUCTS : en es
  • GB624811A - Improvements in percussion fuzes for ammunition projectiles : en
  • CA457330A - Coffee making apparatus : en fr
  • CA457388A - Ice pack : en fr
  • US2473319A - Gasket and gasket composition : en
  • FR946873A - Sound signaling device for cash drawer or other applications : en fr
  • GB624666A - Improvements relating to cores for electric transformers and chokes : en
  • GB624757A - An appliance for cleaning floors, walls and the like : en
  • ES18653Y - Perfected cap for ice packs. : en es
  • FR946891A - Improvements to fuel supply systems : en fr
  • US2472865A - Gaseous discharge device : en
  • US2473036A - Constant velocity universal joint : en
  • US2473242A - Heat-resisting capacitor : en
  • ES18749Y - Perfected screwdriver. : en es
  • ES186983A1 - A FILTER-PRESS : en es
  • ES187270A1 - METHOD FOR OBTAINING FLOUR AND OIL FLOUR FROM FIRST ANIMAL MARTERIES : en es
  • ES19929U - Improved tap applicable to all kinds of containers. (Machine-translation by Google Translate, not legally binding) : en es
  • ES18856Y - Toy flute. : en es
  • FR946810A - Methods and devices for visual reproduction of signals : en fr
  • GB624764A - Improvements in or relating to pressure-sensitive adhesive tape : en
  • GB624841A - Improvements relating to rotary pipe connections : en
  • USD154117S - Design for a spoon or similar article : en
  • ES18787Y - Perfected bucket. : en es
  • GB624840A - Alternating-current dynamoelectric machine : en
  • CA457380A - Vulcanization of methyl acrylate polymers : en fr
  • FR946809A - Electrical synchronization systems : en fr
  • ES187334A1 - IMPROVEMENTS IN THE MANUFACTURE OF TACOS FOR HUNTING SHOT CARTRIDGES : en es
  • GB624649A - Improvements in or relating to passenger vehicle platforms : en
  • GB624678A - Improvements in ambulances : en
  • ES18859Y - Improved oil stove, usable as a stove. : en es
  • ES20036U - Monobloc body for fountain pens. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624554A - Improvements in or relating to apparatus for controlling a dirigible craft from a bomb-sight : en
  • GB624750A - Magnetic cores, especially designed for high frequency apparatus and method for the manufacture of said cores : en
  • ES188067A1 - IMPROVEMENTS IN THE DEVICES FOR WRITING IN CONTINUOUS PAPER, WITH COPIES TO THE CARBON PAPER, ADAPTABLE TO ANY WRITING MACHINE : en es
  • US2473413A - Electrode : en
  • ES187991A1 - A PROCEDURE FOR FIXING THE HANDLE TO KNIVES OR TOOLS OR TO PARTS OR OBJECTS WHICH ARE IN GENERAL : en es
  • ES186698A1 - IMPROVEMENTS INTRODUCED IN METALIZING SPRAY GUNS : en es
  • ES19956U - Cargo tester for trucks or other carriages. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624653A - Improvements in and relating to temperature measuring systems : en
  • GB624902A - Improvements in pulsators : en
  • US2472960A - Multiple record support for phonographs : en
  • ES19459U - Tire insufflator. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624670A - A control system for an electric motor operating the falls of a ship's boat : en
  • GB624722A - Improvement in waste heat steam boilers : en
  • US2473096A - Connecting rod : en
  • US2473188A - Radio-frequency dielectric heater with constant heating rate control : en
  • US2473241A - Spabking plug : en
  • US2473249A - Antiskid cross strip : en
  • USD154171S - Tile floor and wall covering : en
  • AU126769B2 - Television tubes incorporating an optical system : en
  • ES187085A1 - A METHOD FOR FORMING STRIPS ON THE PLATE TAILS IN BATTERY ELEMENTS OF ACCUMULATORS : en es
  • FR946773A - Traction device for actuating climbing toys : en fr
  • FR946826A - Improvement in manufacturing processes for fabrics comprising elastic threads : en fr
  • GB624899A - Improvements in or relating to stocks and dies for screw-threading of tubes : en
  • US2473033A - Sterilized and air-conditioned chamber for surgical uses : en
  • AU2245145A - Improvements in and relating to systems of wave trains : en
  • US2473008A - Bulb manipulating device : en
  • GB624830A - Improvements in or relating to power plants subject to distortion resulting from temperature changes : en
  • FR946863A - Improvements to carding boards for trades : en fr
  • ES187984A1 - IMPROVEMENTS IN ELASTIC METAL WHEEL SYSTEMS FOR VEHICLES : en es
  • ES20034U - Perfected electrical terminal. (Machine-translation by Google Translate, not legally binding) : en es
  • US2473166A - Process for the production of photographic images by color development : en
  • ES188023A1 - MECHANICAL ADVANCE DEVICE FOR DRILLS : en es
  • ES20017U - Notebook of drawings for children. (Machine-translation by Google Translate, not legally binding) : en es
  • ES19316Y - Safety latches applicable to doors. : en es
  • FR946844A - Apparatus for washing clothes and the like : en fr
  • US2473014A - Preparation of halo-substituted : en
  • ES19991U - Electrical device capable of performing several functions, simultaneously or separately. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624572A - An instrument for measuring the widths of air gaps clearances or the thicknesses of layers of non-magnetic materials : en
  • GB624584A - Improvements in or relating to die casting pumps : en
  • ES18668Y - Clamping device for motors adaptable to bicycles. : en es
  • US2472892A - Digging tooth for excating buckets : en
  • GB624820A - Improvements in oil-immersed electric isolating and selector switches : en
  • ES18917Y - Pedestal table. : en es
  • ES18709Y - Vulcanized rubber sole shoe for women. : en es
  • US2473080A - Bathroom locking latch : en
  • US2473091A - Marble projector : en
  • FR946731A - Beam made up of prefabricated elements : en fr
  • GB624634A - Improvements in or relating to vinyl halides and process of preparing same : en
  • FR946941A - Improvement of vats to be mixed at constant temperature : en fr
  • GB624708A - Improvements in or relating to sectional hot-water or steam boilers : en
  • GB624555A - Improvements in or relating to variable speed devices for computing mechanism : en
  • GB624762A - Method of and means for removal of fumes created in welding operations : en
  • GB624726A - Improvements in or relating to combustion chambers : en
  • ES19782U - String girdle. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624716A - Improvements in and relating to a method of and device for producing laminated materials : en
  • USD154150S - Design for a tile floor and wall covering : en
  • FR946949A - Electrically heated fabrics : en fr
  • ES18888Y - Passwords. : en es
  • GB624663A - Improvements in methods of and apparatus for constructing window and door lintels and the like : en
  • ES18617Y - Perfected mousetrap. : en es
  • FR946703A - Electric orientation system with selection by marking potentials : en fr
  • GB624787A - Improvements in or relating to electric dry cells : en
  • US2473021A - Production of low carbon ferrochromium : en
  • US2472785A - Standing wave detector and indicator system : en
  • US2473001A - Trussed brake beam : en
  • US2473480A - Log impregnating device : en
  • ES187747A1 - IMPROVEMENTS INTRODUCED IN THE PREPARATION OF SODIUM BICARBONATE COMPOSITIONS : en es
  • ES187860A1 - A SYSTEM TO AVOID THE CONSEQUENCES OF AIR LOSS ON THE TIRE OF ALL KINDS OF VEHICLES : en es
  • ES20041U - Fountain pen (Machine-translation by Google Translate, not legally binding) : en es
  • FR946914A - Mechanical spade : en fr
  • ES18713Y - Pressed thread guide table for continuous. : en es
  • ES18830Y - Discharge device, applicable to cisterns in W.C. : en es
  • FR946903A - Mechanism automatically giving the averages of values varying over time : en fr
  • GB624727A - A device for use in attaching a suspension member to a pendant article : en
  • GB624616A - Improvements in regulating valves : en
  • US2472891A - Electric ironing machine : en
  • US2473285A - Sliding door lock : en
  • ES187502A3 - A NEW SYSTEM OF INTERMITTENT SIGNALING INDICATOR OF CHANGE OF DIRECTION IN VEHICLES : en es
  • US2473474A - Apparatus for adding powdered dye to liquids : en
  • AU145645B2 - Improvements inthe manufacture of synthetic linear polyamides and apparatus therefor : en
  • US2473347A - Air directing means in gun type burners : en
  • US2473401A - Sensitivity equalizing circuit for control apparatus : en
  • AU2772549A - Improvements relating to gland packings : en
  • US2473442A - Musical instrument of the string type : en
  • US2473009A - Bulb socket manipulator : en
  • ES18886Y - Sliding closure applicable to purses, bags and pouches. : en es
  • US2472899A - Sanding and finishing tool : en
  • USD154190S - Design for a curtain : en
  • AU1809644A - Television tubes incorporating an optical system : en
  • US2472841A - Valve construction : en
  • USD154174S - Design fob a tile floor and wall covering : en
  • US2473299A - Rotative winged aircraft control : en
  • USD154120S - Locomotive body : en
  • ES186716A1 - A CLOSURE DEVICE OF AT LEAST ONE ELECTRICAL CIRCUIT : en es
  • ES188013A1 - A PERFECTED ELECTRICAL SWITCH WITH A BRUSH BREAK : en es
  • ES20019U - Lip cleaner dryer (Machine-translation by Google Translate, not legally binding) : en es
  • GB624822A - Improvements in or relating to locks : en
  • CH261989A - A process for the preparation of a photosensitive emulsion containing a dye component of a silver salt in a water-soluble binder and a photosensitive emulsion prepared by the process. : de en
  • US2473267A - Bearing mounting : en
  • ES186676A1 - A HOT GAS MACHINE : en es
  • ES188001A1 - A ELECTROLYTIC CELL SYSTEM EQUIPPED WITH A DOUBLE PERMEABLE SCREEN : en es
  • FR946750A - Preparation of soluble polyvinyl chlorides : en fr
  • GB624891A - Supports for pens, pencils, erasers or the like : en
  • CH262138A - Collapsible lid box. : de en
  • DK69327C - Process for refining cellulosic textile materials. : da en
  • ES18810Y - Light surveying equipment. : en es
  • GB624772A - Improvements in projection screen : en
  • US2473371A - Method of making contacts : en
  • US2473461A - Hydraulic barking machine : en
  • US2473337A - Film reel construction : en
  • FR946824A - Constructive system of reinforced concrete walls and floors, without formwork, by dry assembly of prefabricated elements, joined together in a single concrete pouring operation : en fr
  • GB624759A - Improvements in or relating to the preparation of the ammonium salt of penicillin : en
  • DK69353C - Method and machine for making pins for use in assembling pieces of wood. : da en
  • ES20042U - Electric power elevator. (Machine-translation by Google Translate, not legally binding) : en es
  • CH261969A - Device for filtering liquids. : de en
  • CH261993A - Device for buckling together skis and the like. : de en
  • US2472786A - Method of pickling metal contact surfaces : en
  • US2473173A - Outdoor theatre loudspeaker support post : en
  • US2472791A - Overhead door lock : en
  • ES12292Y - Blind. : en es
  • ES186894A3 - A PROCEDURE FOR PREPARING VEHICLES FOR INJECTABLE DRUGS : en es
  • ES187953A1 - A PROCEDURE FOR THE MANUFACTURE OF COLOIDS, OF NATURAL PRODUCTS SUSCEPTIBLE OF FORMING HIDROSOLES OF PH SUPERIOR TO SEVEN AND HYDROGELS WITH A PH NOT LESS THAN SEVEN : en es
  • CH262008A - Method and apparatus for defining and verifying metalworking capability. : en fr
  • US2472851A - Apparatus for electromagnetically controlling welding arcs : en
  • US2473123A - Electronic induction accelerator apparatus and method : en
  • USD154136S - Combined flower stand and trellis : en
  • US2473431A - Treatment of crude petroleum oil : en
  • USD154185S - Design fob a tile floor and wall covering : en
  • US2473296A - Miniature animal toy car : en
  • USD154165S - Design fob a tile floor and wall covering : en
  • USD154116S - Design for a display box : en
  • USD154129S - Toy turtle or similar article : en
  • US2472893A - Twin finger rings : en
  • GB624582A - Improvements in firearms : en
  • FR946838A - Improvements to discharge tubes : en fr
  • GB624801A - Locking device for tubes of telescopic structures : en
  • ES17267Y - Plate adaptable to ordinary table plates. : en es
  • US2473430A - Piston coupling mechanism : en
  • USD154154S - Design for a tile floor and wallcovering : en
  • ES19964U - Reinforced boards susceptible to taking curved shapes. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946923A - Improvements made to electric cooker ovens : en fr
  • GB624760A - Improvements in and relating to ultra-high frequency couplings : en
  • AU142236B2 - Improvements in adjustable structure for building purposes : en
  • GB624823A - Improvements in driving or rear-view mirrors for motor vehicles : en
  • ES186925A3 - A PROCEDURE FOR SEPARATING ZINC FROM COPPER-BASED ALLOYS : en es
  • FR946763A - construction elements and devices for their assembly : en fr
  • FR946784A - Electric discharge apparatus and electrode for this device : en fr
  • US2472954A - Adjustable roof mounting means for top charged electric furnaces : en
  • US2472955A - Coffee filter : en
  • US2473470A - Alighting gear : en
  • CA457346A - Cathode ray screen : en fr
  • US2473106A - Telephone handset supporting fixture : en
  • DK69335C - Coupling for modulation or frequency conversion. : da en
  • ES18728Y - Composite sole for canvas shoes or similar. : en es
  • AU2702549A - Improvements in or relating to totalisators : en
  • AU2766849A - Apparatus for actuating control surfaces of dirigible aircraft : en
  • US2472828A - Tire chain release device : en
  • US2472938A - Point-contact rectifier : en
  • US2473458A - Portable outdoor cooking stove : en
  • CH262044A - Tool for narrowing a wire coil. : de en
  • US2473450A - Vine cutter : en
  • US2472887A - Plasterboard hoist : en
  • ES186545A3 - INTRODUCTION TO THE MANUFACTURE OF DRY ELECTRIC CAPACITORS WITH PAPER DIELECTRIC : en es
  • CH261967A - Casting machine, in particular for confectionery. : de en
  • US2473266A - Self-retaining abdominal retractor : en
  • US2472863A - Apparatus for perforating metallic strips : en
  • US2473354A - Device for transmitting and receiving compressional waves : en
  • US2473380A - Combination diaphragm and clamp chuck : en
  • US2472795A - Control for ranges : en
  • US2473056A - Billfold with gusset pocket : en
  • USD154107S - Design fob a can opener : en
  • DK69350C - Device for welding screens. : da en
  • FR946714A - Concentrated coffee powder and process for making it : en fr
  • ES18801Y - Pressed cement patio siphon. : en es
  • BE489298A - : en
  • US2473168A - Selective operation of systems by a unit cylinder : en
  • USD154143S - Combination cocktail table, radio and phonograph cabinet : en
  • DK69338C - Electrical insulation compound. : da en
  • AU2759849A - Diversity receiver for multiplex frequency shift tones : en
  • CH261934A - Utensil for pitting cherries. : en fr
  • AU2770749A - Improvements in and relating to electrode mounting in electrolytic cells : en
  • CH262088A - Electric switch. : en fr
  • DK69334C - Coupling for stabilizing oscillators for frequency modulated high frequency oscillations. : da en
  • US2472962A - Collapsible table or the like : en
  • CA457423A - Scraper : en fr
  • AU148654B2 - An electrically controlled brake unit and manufacture of parts thereof : en
  • DK69329C - Process for the production of zirconium hydroxide. : da en
  • ES187958A1 - A NEW SALES PROPAGATION SYSTEM : en es
  • CA457314A - Foldable chair : en fr
  • US2472821A - Sensitive fuse : en
  • US2473156A - Process for developing high magnetic permeability and low core loss in very thin silicon steel : en
  • US2473472A - Manufacture of cyclohexene : en
  • AU145036B2 - Improvements in or relating to electric insulators : en
  • CH262046A - Extendable buckle, especially for inextensible belts. : en it
  • CH262151A - Three-position solenoid valve. : en fr
  • AU143401B2 - Shock absorber : en
  • CH261956A - Snap button. : en fr
  • AU222246A - Improvements relating tothe generation of time-modulated pulses : en
  • AU2513145A - Manufacture of pipes and tubes : en
  • US2473402A - Electrical baking mold : en
  • ES187954A1 - A PROCEDURE FOR THE MANUFACTURE OF COLOIDS, OF NATURAL PRODUCTS SUSCEPTIBLE TO FORM HIDROSOLES OF PH LESS THAN SEVEN AND HYDROGELS WITH A pH NOT EXCEEDING SEVEN : en es
  • GB624846A - Improvements in or relating to a method of making coloured mirrors : en
  • US2473235A - Follow-up control system : en
  • CA457420A - Seal construction : en fr
  • US2473048A - Variable resistance unit : en
  • ES187756A1 - IMPROVEMENTS MADE IN THE CARTRIDGES FOR PHOTOGRAPHIC CAMERAS : en es
  • ES186509A1 - A METHOD TO OBTAIN A LOW PATTERN FREQUENCY : en es
  • ES187499A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • GB624658A - Improvements in or relating to soil frames for plant propagation : en
  • DK69326C - Process for the preparation of nutrient solutions, eg molasses solutions, for the recovery of citric acid by fermentation. : da en
  • US2473199A - Music stand : en
  • FR946839A - Improvements to electron beam tubes : en fr
  • ES182950A1 - A GRILLE CLEANER, WITH RAKE, FOR HYDRAULIC INSTALLATIONS : en es
  • ES185154A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • ES187876A1 - A DETACHABLE SYSTEM FOR OPTICAL MEDIA ARMOR : en es
  • FR946942A - Improvement in mixers : en fr
  • FR946899A - American style <Ice> telescope : en fr
  • US2472787A - Flow regulator : en
  • AU146193B2 - Improvements in and relating to current distribution in mercury cathode electrolytic cells : en
  • CH262170A - Process for the preparation of a brown polyazo dye. : de en
  • US2472818A - Timing and control device : en
  • AU2702649A - Improvements inthe manufacture of synthetic linear polyamides and apparatus therefor : en
  • US2473194A - Power supply switching system : en
  • CA457368A - Tetrafluoroethylene-ethylene copolymers : en fr
  • CH261986A - Document holder for documents intended in particular for accounting by transfer. : en fr
  • US2472913A - Azomethine dyes from acylacetamidobenzaldehyde acetals : en
  • US2473362A - Motion transmission mechanism : en
  • CA457387A - Suction cleaner : en fr
  • CH262164A - Process for the preparation of a new oxyhydrophenanthrene derivative. : de en
  • CA457373A - Mechanism for charging containers : en fr
  • CH261985A - Container for storing flat objects in an upright position. : de en
  • CH262142A - Lighting system on vehicles. : de en
  • US2473004A - Galvanizing flux : en
  • CA457327A - Electrical fence : en fr
  • US2472988A - Apparatus for reproducing electric signals, particularly television reproducers : en
  • ES187050A1 - A PROCEDURE, WITH ITS CORRESPONDING DEVICES, TO PRODUCE SOUNDS SIMILAR TO THOSE PRODUCED BY CAMPANAS TOUCHED TO THE FLIGHT : en es
  • FR946907A - Tape for medical and hygienic uses : en fr
  • US2473475A - Water-soluble triazine condensation products and a process of making same : en
  • CH261981A - Polymerizable mixture of substances. : de en
  • US2473240A - Parallel plate capacitor : en
  • CH261944A - Process for the production of textile fabrics. : de en
  • US2473226A - Wrist band : en
  • US2473232A - Discharge tube having a fluid or solid cathode and a capacitative igniter : en
  • US2473126A - Freight platform bridge : en
  • US2473236A - Means for hot pressing materials on sewing machines : en
  • US2473355A - Sinker actuating mechanism for knitting machines : en
  • US2473298A - Window construction : en
  • US2473295A - Miniature animal toy car : en
  • US2473252A - Push-button switch : en
  • US2473261A - Transplanter : en
  • GB624848A - Improvements in or relating to methods for treating corrosive gases to render them innocuous : en
  • US2473000A - Handle and socket structure : en
  • US2473280A - Automatic photographing and developing apparatus : en
  • AU141398B2 - Improvements in or relating to portable rubbing machines : en
  • GB624766A - Means for automatically adjusting arc furnace electrodes : en
  • US2473037A - Chair with folding table leaf : en
  • CH261900A - Apparatus suitable for the pre-sprouting of vegetables and the incubation of animal germs. : en it
  • US2472995A - Apparatus for separating suspended particles from gases : en
  • BE489360A - Safety device for indicating the level in flammable, corrosive or other liquid reservoirs, with glass test tube operating by interposition of a hydro-pneumatic relay : en fr
  • US2472864A - Composition for and method of chemically coating aluminum : en
  • AU147904B2 - Improvements in or relating to variable reactances and to control devices comprising such reactances : en
  • US2473397A - Retarding mechanism : en
  • CH261963A - Toaster. : de en fr
  • CA457399A - Electronic device : en fr
  • CA457402A - Electric discharge device : en fr
  • CH262158A - Stove. : de en
  • US2472857A - Pneumatic dispatch signaling system : en
  • US2473030A - Composition comprising a copolymer of vinyl chloride-vinyl acetate and ground peanuthulls and method of making same : en
  • US2473026A - Nut dish : en
  • USD154112S - Cooking range control panel unit : en
  • US2473120A - Coupling for tubes : en
  • US2473412A - Fuel injection pump : en
  • US2473493A - Stabilizing evaporated milk : en
  • US2472815A - Automatic light control : en
  • AU145125B2 - Improvements in or relating to thermionic valve amplifiers : en
  • GB624595A - Improvements in board games and playing appliances therefor : en
  • GB624845A - Improvements in or relating to the manufacture of insulating sheets and boards : en
  • ES18884Y - Book holders. : en es
  • ES19962U - Ashtray adaptable to the bodywork of cars. (Machine-translation by Google Translate, not legally binding) : en es
  • ES20031U - Trousers with zip closure. (Machine-translation by Google Translate, not legally binding) : en es
  • US2473268A - Adams : en
  • CH262163A - Process for the preparation of a new oxyhydrophenanthrene derivative. : de en
  • US2473155A - Warp beam for looms : en
  • ES19773U - Marker of many for golf game, pocket. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946881A - Advanced dumper : en fr
  • FR946927A - Capacitor devices for electrical transmission circuits : en fr
  • GB624871A - Method and apparatus for the forging of mechanical work-pieces such as in particular screw-propeller bosses : en
  • CH261925A - Lock for rod closure. : en fr
  • US2472847A - Fungicidal lacquer : en
  • US2473039A - Composite ship construction : en
  • ES18846Y - Coffee grinder. : en es
  • AU126651B2 - Television image translating device : en
  • CH261895A - Potato digger. : de en
  • US2473409A - Variable compound resistor : en
  • USD154091S - Design fob a spoon ob similar abticle : en
  • AU2769449A - Improvement inself-quench superregenerative amplifier : en
  • CH261983A - Folder. : de en
  • CH262124A - Primary antenna. : en fr
  • US2472925A - Overload or fixed load clutch : en
  • AU131504B2 - Improvements relating tothe generation of time-modulated pulses : en
  • NL63381C - : en
  • US2472801A - Temperature-stable molded resistor : en
  • US2472824A - Radio scanning apparatus : en
  • US2473317A - Spark plug : en
  • USD154140S - Design for a knitting bag or similar article : en
  • GR12068B - SPECIAL BOX FOR Vials. : el en
  • US2472980A - Measuring system and saturable reactor for use therein : en
  • US2473180A - Smoking pipe cleaner : en
  • US2473197A - Heat detecting system : en
  • CH262078A - Arrangement for reverse control of induction motors. : de en
  • US2472800A - Knife assembly and stripper for meat tendering machines : en
  • FR946845A - Further training in magnetic recording devices : en fr
  • FR946866A - Elastic connecting device between two bodies moving in relative motion and its applications : en fr
  • GB624718A - Improvements in or relating to apparatus for transfer of heat in gaseous media : en
  • AU2771649A - Shock absorber : en
  • CA457369A - Composition of matter : en fr
  • CA457405A - Method and apparatus for making electron discharge devices : en fr
  • CH261916A - Metal structure, especially for scaffolding, with elements connected by openable joints. : en it
  • ES186926A3 - PROCEDURE TO IMPROVE COLD EMPTYING COMPOSITIONS : en es
  • CH262072A - Fuel injector for internal combustion engines. : de en
  • US2472978A - Universal golf club head : en
  • US2473138A - Machine tool : en
  • US2473283A - Coupling pipe : en
  • US2473386A - Grid controlled polyphase rectifier : en
  • US2473486A - Preparation of 1-cyano-1,3-butadiene : en
  • AU2705249A - Improvements in or relating, to puffing of cellular products : en
  • US2472914A - Safety apparatus : en
  • US2473207A - Shoe tree : en
  • US2472964A - Multiple record support for phonographs : en
  • US2473250A - Dual ratio gearing : en
  • DK69341C - High voltage switch. : da en
  • GB624915A - Improvements in or relating to flame machining metal from oxidation-resistant metals and alloys : en
  • CH261943A - Method for printing movement on the shuttle of a loom and loom for implementing the method. : en fr
  • DK69349C - Method for rippling and matting of taver and tavest fabric products. : da en
  • CH262159A - Clamping device for height-adjustable chairs. : de en
  • US2473035A - Spray device : en
  • US2473378A - Electric convulsive therapy : en
  • AU145184B2 - Improvements relating tothe construction of buildings especially temporary or portable covered enclosures : en
  • US2472792A - Air conditioning unit for mounting in windows : en
  • US2473217A - Rod clamp or the like : en
  • CA16975S - Combined drinking cup and guard ring primarily for children's use : en
  • GB624719A - Improvements in taps or valves : en
  • GB624893A - Improvements in or relating to facsimile recorders : en
  • NL63373C - : en
  • US2472805A - Multiple belt conveyer system : en
  • AU2699549A - Improvements in or relating to thermionic valve oscillators : en
  • AU2766049A - Improvements in or relating to information storage means : en
  • CH261991A - Pythagorean table. : en it
  • CH262130A - Circuit for demodulating frequency-modulated oscillations. : de en
  • US2473269A - Papermaking machine : en
  • USD154093S - Microfilm projector or similar article : en
  • BE489316A - Sports machine for children, particularly suitable for gymnastics in jumping. : en fr
  • CH261938A - Unit for the classification of hanging files vertically. : en fr
  • CH261942A - Automatic winding machine. : en fr
  • USD154135S - Design for a tire inflator : en
  • US2473164A - Two-cycle engine : en
  • CH261912A - Wall cladding. : de en
  • AU2683949A - Improvements in foundation templets for buildings : en
  • AU145634B2 - Fluid heating system : en
  • AU142602B2 - Improvements in flying controls for aircraft : en
  • FR946905A - Permanently powered rotor, comprising at least two laminated pole masses, for ignition magnetos : en fr
  • USD154170S - Design fob a tile floor and wall covering : en
  • ES187307A3 - AN APPARATUS FOR TRANSPORTING POWDERY MATERIALS : en es
  • CH262065A - Multi-stage axial compressor. : de en
  • ES18637Y - Perfected glasses. : en es
  • ES19987U - Hairpin, perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • CH261922A - Process for the manufacture of construction elements. : en fr
  • CH261997A - Automatic firearm. : de en
  • FR946919A - Antenna : en fr
  • CH262095A - Arrangement for limiting overcurrents in electrical circuits, especially high-voltage networks. : de en
  • AU129774B2 - Improvements in and relating to systems of wave trains : en
  • AU142726B2 - Improvements in or relating to thermionic valve oscillators : en
  • AU2706149A - Improvements in or relating to electric insulators : en
  • CH262176A - Method for the measurement, in particular for the absolute measurement of the electric field which is established inside a dielectric guide and of the high-frequency power transmitted in this guide, and device for implementing this method. : en fr
  • ES188074A1 - IMPROVEMENTS IN THE CONSTRUCTION OF CEREAL WETTERS : en es
  • CA457419A - Friction gearing with balls or rollers as motion transferring element : en fr
  • US2473303A - Switch : en
  • CH261982A - Apparatus for the separation of solid particles from impure liquids. : en it
  • CH262032A - Multipurpose machine tool. : de en
  • CH262098A - Electric circuit breaker. : de en
  • DK69330C - Process for the preparation of urea derivatives of nicotinic acid. : da en
  • CA457343A - Reaction products of aldehydes and triazine derivatives : en fr
  • CH261939A - Table with equipment for keeping food warm. : de en
  • CH262173A - Process for the production of a book and book produced according to this process. : de en
  • US2472861A - Machine gun ammunition feed belt : en
  • US2473200A - Shaft-pulling tool : en
  • US2473351A - Locking device for telescopic connections : en
  • CH262006A - Directional antenna system with a transmission or reception characteristic, the axis of which performs a spatial pendulum movement. : de en
  • ES20024U - Toy. (Machine-translation by Google Translate, not legally binding) : en es
  • CH262090A - Photoelectric cell size regulator device. : en it
  • CA457334A - Medicinal composition : en fr
  • US2472929A - Double condenser high draft mechanism for roving and spinning frames : en
  • USD154121S - Combined watch and bracelet : en
  • AU146420B2 - Improvements in or relating to totalisators : en
  • CH262027A - A method for producing a hard copper alloy and a copper alloy obtained by this method. : de en
  • ES20044U - Salero (Machine-translation by Google Translate, not legally binding) : en es
  • FR946722A - Advanced razor : en fr
  • FR946857A - Heating device : en fr
  • FR946840A - Improvements to oscillating circuits : en fr
  • GB624641A - Improvements in or relating to temperature indicating apparatus : en
  • GB624589A - Cutting nippers for objects difficult of access : en
  • ES19928U - Perfect security lock for earrings. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946918A - Pressurized fluid brake device : en fr
  • GB624714A - Improvements in wall and like plugs : en
  • GB624851A - A cup for treating muscles and other deeply lying tissues in the human or animal body : en
  • ES186920A1 - A DEVICE FOR THE AUTONOMOUS STOP WELDING OR WITH METAL OF CONTRIBUTION OF ELECTRICAL CONDUCTORS : en es
  • ES188073A1 - A PROCEDURE FOR PRODUCING PENICILLIN : en es
  • FR946760A - Motorcycle Fork Damper System : en fr
  • FR946819A - Fence energizer : en fr
  • ES19097Y - Clamp for mechanical pencils. : en es
  • ES19992U - One and two-stroke switch, with reversal of the direction of travel based on blades or segments. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624580A - Improvements in or relating to recording apparatus : en
  • GB624717A - Protective envelopes for toothbrushes : en
  • US2472965A - Metallized tetrakisazo dyes : en
  • US2473364A - Litter installation for vehicles : en
  • ES17482Y - Wood tile. : en es
  • ES19967U - Harmonica (Machine-translation by Google Translate, not legally binding) : en es
  • ES188016A1 - AN ELECTROVIBRATORY DRIVE SYSTEM FOR SMALL MOBILE PHONES : en es
  • FR946851A - Crack catalysts : en fr
  • GB624754A - Improvements in or relating to water heaters : en
  • NL63536C - : nl
  • US2472854A - Reclining article of furniture : en
  • ES186574A1 - AN ARMED CONCRETE ROOF SYSTEM : en es
  • GB624585A - Improvements in or relating to vapour generators : en
  • CH261910A - Prefabricated element for the construction of reinforced concrete floors. : en fr
  • GB624792A - Improvements in the manufacture of rosin-styrene interpolymers : en
  • GB624557A - Telecommunication system : en
  • GB624875A - Improvements in or relating to plywood arches : en
  • IE18610L - Fuel igniters : en
  • GB624620A - Improvements in and relating to adhesive films and adhesively coated articles : en
  • AU148445B2 - Improvements in or relating to wiper switches : en
  • CA457335A - Vehicle body tool compartment construction : en fr
  • CH262139A - Tube with closure. : de en
  • CH261914A - Flooring and its manufacturing process. : de en
  • US2473360A - Brake : en
  • ES19977U - Rectifier of grinding wheels. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946733A - Improvement in resistance connections for electric irons : en fr
  • GB624692A - Improvements in or relating to electrical oscillators : en
  • GB624739A - Improvements in or relating to freewheel hubs for cycles : en
  • GB624800A - Improvements relating to dish-washing apparatus : en
  • ES18612Y - Projection device for drawing. : en es
  • ES18865Y - Extension tube applicable to the tube of carbonated drink siphons to increase the pressure of its outlet jet. : en es
  • GB624591A - Improvements in or relating to extending ladders : en
  • FR946795A - Semiconductor parts intended for electrical equipment : en fr
  • ES18853Y - Toy. : en es
  • NL63375C - : en
  • FR946926A - Electronic discharge devices : en fr
  • FR946752A - Knitting skills : en fr
  • GB624758A - Improvements in or relating to percussive tools : en
  • ES18769Y - Arrangement of tips in the wave-marking tips for the hair. : en es
  • US2472923A - Method for striking the welding arc in automatic electric-arc welding machines : en
  • US2473460A - Condensation products of citric acid with long chain aliphatic monohydric alcohols : en
  • ES18912Y - Rotating tailstock. : en es
  • FR946736A - Sun visor or headlight shield intended more specifically for motor vehicles : en fr
  • US2473057A - Butter dispensing machine : en
  • GB624728A - Improvements in sight-testing appliances : en
  • USD154172S - Design for a tile floor and wall covering : en
  • GB624842A - Improvements in or relating to gas turbine power plant : en
  • GB624709A - Improvements in or relating to a machine for grinding end milling cutters : en
  • GB624906A - Apparatus for stoning fruit : en
  • ES188031A1 - HYDROTHERY DEVICE FOR FORCED INTERIOR CIRCULATION OF WATER IN PRESSURE VAPOR BOILERS : en es
  • ES19135Y - Midsole for footwear. : en es
  • US2472804A - Combination mount and shoulder rest : en
  • ES18880Y - Box-case with lifting spring mechanism for the service of special folding papers, such as napkins, toilet paper, etc. : en es
  • ES19586U - Planetary speed variator. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946932A - New process for coating metal and other surfaces, with an original decorative effect : en fr
  • GB624615A - A method and apparatus for contacting a liquid and a gaseous fluid : en
  • LU29594A1 - : en
  • NL63492C - : en
  • US2472934A - Control means for internal-combustion-operated free-piston machines : en
  • US2473367A - Multiple turning head : en
  • US2472932A - House moving apparatus : en
  • US2473381A - Heat-treat furnace : en
  • US2473447A - Whiffle tree : en
  • DK69358C - Process for the preparation of insoluble polymers of unsaturated compounds in the polymerization mixture. : da en
  • ES18712Y - Single or double edge tape shaver. : en es
  • ES187944A1 - IMPROVEMENTS IN THE METHODS FOR THE PREPARATION OF MEDIA APPLICABLE TO THE COLD WAVES : en es
  • US2473061A - Shaft seal : en
  • FR946779A - Improvements to percussion musical instruments, applicable in particular to musical toys : en fr
  • FR946859A - Construction box : en fr
  • ES20021U - Supplementary device for telephone headsets (Machine-translation by Google Translate, not legally binding) : en es
  • US2473287A - Multiple switch : en
  • US2472930A - Electrical heating unit : en
  • DK69345C - Electric lamp for cyclists and pedestrians. : da en
  • ES20007U - Flat sieve or plansichter. (Machine-translation by Google Translate, not legally binding) : en es
  • AU2701949A - Improvements in adjustable structure for building purposes : en
  • ES188006A1 - Retention valve : en es
  • ES18867Y - Device for fixing the cover of electrical switches and switches. : en es
  • US2473275A - Machine for applying bands to cigars : en
  • US2472794A - Removal of surface moisture from wet articles : en
  • US2473176A - Expansible shoe tree : en
  • US2473394A - Safety headgear for pedestrians and workmen : en
  • USRE23120E - Coupling : en
  • CA457362A - Organosilicon compounds : en fr
  • CA457374A - Focus control for television image tubes : en fr
  • GB624713A - Improvements in or relating to column stands for supporting apparatus required to be vertically moveable along the column : en
  • US2473276A - Color television system : en
  • ES19069Y - Container whose interior contains freezing liquid to replace the pieces of ice used to cool beverages when they are consumed. : en es
  • US2473060A - Bearing alloys : en
  • US2473468A - Magnetic switch apparatus : en
  • CH262005A - Obstacle detection installation. : en fr
  • GB624570A - Instruments for the presentation of quantitative data in visual graphic form : en
  • CA457337A - Crankcase lubricating oil composition : en fr
  • CH262021A - Barrette for timepiece. : en fr
  • CA457389A - Control means for draft regulators : en fr
  • ES186968A1 - MEJOTAS IN LIGHT CONSTRUCTIONS, SUCH AS A CHOZA : en es
  • FR946807A - Telegraph communications transmission systems : en fr
  • US2472871A - Dispensing container : en
  • US2473137A - Shroud for multiple runner fluid couplings : en
  • US2473411A - Egg separator stand : en
  • FR946711A - Mode of transmission of mechanical energy, particularly applicable as a continuous torque converter : en fr
  • FR946947A - Camera for photographic reproduction, with enlargement and reduction, with direct negative : en fr
  • ES19970U - Mechanical toy (Machine-translation by Google Translate, not legally binding) : en es
  • ES187945A3 - IMPROVEMENTS IN THE MANUFACTURE OF SMALL DIMENSIONAL ELECTRIC MOTORS : en es
  • CH262060A - Process for impregnating textile hoses and hose impregnated according to this process. : de en
  • AU148855B2 - Pin bearing arrangement for dredger bucket mechanism : en
  • GB624920A - Improved carton for containing refreshments : en
  • FR946741A - Method for increasing reaction rates in heterogeneous medium : en fr
  • CH261951A - Device to enable a change in the position of the front rotary brush in fabric clippers. : de en
  • CH262034A - Thread cutting stock with workpiece guide. : de en
  • US2472823A - Combat camera having handgrip operating means : en
  • CH262080A - Bicycle dynamo. : de en
  • ES19999U - Dual action spring, which works vertically, for all kinds of doors. (Machine-translation by Google Translate, not legally binding) : en es
  • ES19993U - Inhaler. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946803A - Multi-lead mechanical pencil : en fr
  • GB624587A - Improvements in or relating to electrically heated coffee percolators : en
  • DK69374C - Process for the production of porous ceramic building materials, bricks or other brick products. : da en
  • GB624886A - Improvements in or relating to circuit-arrangements for the expansion of electrical oscillations : en
  • ES20043U - Magnetic brush for cleaning clothes (Machine-translation by Google Translate, not legally binding) : en es
  • ES187997A1 - A POTASSAL CHLORIDE SOLVENT : en es
  • ES188021A2 - IMPROVEMENT IN INSTALLATIONS OF BATTERY WATER METERS : en es
  • ES18824Y - Sharpener device for pencils. : en es
  • ES19113Y - Device for the drive and retention of loose-leaf books. : en es
  • CH261909A - Ceiling construction. : de en
  • CH262068A - Rotary piston machine. : en fr
  • US2473098A - Hatch cover operating device : en
  • US2472856A - Airplane : en
  • GB616258A - Improvements in or relating to coke oven operation : en
  • ES186066A1 - A SELF-MOVING-CONTINUOUS APPARATUS : en es
  • ES187289A1 - A MACHINE FOR CLOSING WITH METAL CAPSULES BOTTLES AND SIMILAR CONTAINERS : en es
  • GB624869A - Improvements in or relating to process for hydrogenating carbon oxides : en
  • ES19972U - Improved squeegee for glass cleaning. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946769A - Universal handle for household utensils : en fr
  • GB624738A - Device for recording on paper strips : en
  • ES19973U - Sustentºculo, proper for application to shop windows. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946915A - Pipe connection : en fr
  • GB624558A - Improvements in or relating to radio navigational systems : en
  • ES18758Y - Type of lamp for fluorescent lighting. : en es
  • ES19936U - Elastic ankle protector, for skiers. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946726A - Method and device for preventing the propagation of explosions in gaseous masses : en fr
  • ES186940A1 - IMPROVEMENTS IN THE OVENS OF CUBA, ESPECIALLY FOR THE MANUFACTURE OF GLASS : en es
  • ES19933U - Game of articulated rules to indicate orthogonal proportions. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624853A - Improvements in or relating to ventilating units for cooking ranges and the like : en
  • GB624909A - Improvements in or relating to lamps : en
  • US2473221A - Method and apparatus for the continuous casting of metal tubes : en
  • ES187741A3 - A NEW APPARATUS TO DELINEATE : en es
  • US2473278A - Hygroscopic disk : en
  • ES187989A2 - IMPROVEMENTS TO RING MECHANISMS FOR LOOSE-LEAF BOOKS : en es
  • FR946867A - Control device : en fr
  • FR946897A - Machine for cutting earthenware or other tiles : en fr
  • CH262135A - Process for making eyeglass cases and case obtained by this process. : en fr
  • FR946774A - Screwdriver with handle containing a light source that allows the illumination of the object to be worked on : en fr
  • FR946713A - Heavy fuel gasifier : en fr
  • GB624597A - Improvement in record punching machines : en
  • FR946723A - Lever nail pliers : en fr
  • GB624771A - Method of blowing-up air raid shelters and the like buildings : en
  • GB624777A - Improvements in or relating to stator casings for compressors and like machines : en
  • GB624604A - Improvements in or relating to esters of chloroformic acid and the preparation thereof : en
  • US2473273A - Adjustable key for use with locks in which the tumblers are movable parallel to the axis of the plug : en
  • US2473284A - Apparatus for molding sealing rings : en
  • GB624694A - Improvements relating to colour filters for use in colour television : en
  • USD154186S - Sandin refrigerator : en
  • US2472976A - Method of separating solids from liquid suspensions : en
  • DK69342C - Coupling to wind turbines. : da en
  • GB624863A - Improvements in artificial eyes : en
  • CH262103A - Electron tube. : de en
  • GB624682A - Wringers : en
  • US2473414A - Voltage multiplying circuit : en
  • US2473195A - Treatment of oils corrosive to copper : en
  • US2473234A - Helical asymmetrical thread forms for fluid devices : en
  • US2473075A - Condition responsive switch : en
  • US2473127A - Elevator bridge : en
  • ES18663Y - Soaping brush with device for rapid and simultaneous softening of the hair and massage and tightening of the skin. : en es
  • GB624579A - Improvements in or relating to variable-pitch propellers : en
  • ES20000U - Improved sheets for doors and windows. (Machine-translation by Google Translate, not legally binding) : en es
  • US2473032A - Multifilter assembly for filtering oil or liquids : en
  • FR946786A - Improvements to discharge tube circuits : en fr
  • US2473002A - Brake beam : en
  • ES187915A1 - A MACHINE TO SELECT AND CALIBRATE FRUITS : en es
  • DK69356C - Process for the preparation of polyurethane compounds. : da en
  • ES18786Y - Automatic valve for air purge in autoclaves and similar applications. : en es
  • ES18676Y - Letter about. : en es
  • FR946898A - Improvements to the friction drive devices for the turntable of talking machines : en fr
  • US2472822A - Lighter : en
  • GB624596A - A method of making a welded lap joint : en
  • CA457326A - Roll bearing device : en fr
  • CA457418A - Electroacoustic transducer : en fr
  • ES187696A1 - A MACHINE-MOTOR OR ROTARY PUMP : en es
  • ES19516U - Sharpener. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624779A - An improved burner for gaseous, liquid or powdered solid fuel : en
  • ES19093Y - Fan by hand. : en es
  • GB624577A - A method and means of grinding of the end of a workpiece : en
  • CA457361A - Extrusion of synthetic polymeric materials : en fr
  • AU2130348A - Improved bakers peel : en
  • FR946868A - Process for the treatment of liquids : en fr
  • USD154145S - Design for a lamp base : en
  • CH261988A - Film reel. : en fr
  • CH262071A - Device for setting the power of internal combustion engines working on the consumer via a gear. : de en
  • ES187608A2 - A PROCEDURE AND A FACILITY FOR GASIFYING FINE GRAIN CARBONACEOUS SUBSTANCES : en es
  • GB624763A - Ceramic composition : en
  • US2473246A - Adjustable resistor of the tubular type : en
  • US2472952A - Truck dolly : en
  • US2473247A - Electrical rheostat device : en
  • US2473363A - Wire supporting device : en
  • CH262037A - Heat treatment process for strips for razor blades. : en fr
  • US2473046A - Pipe clamp : en
  • US2473045A - Pipe fitting : en
  • US2473495A - Microwave wattmeter : en
  • CH262161A - Method and device for separating foreign bodies from gases. : de en
  • US2473112A - Preparation of sulfonic acid salts of diguanides : en
  • US2472789A - Vehicle clutch control mechanism : en
  • US2473477A - Magnetic induction device : en
  • CH262003A - High frequency device for comparing the phase of electrical quantities. : en fr
  • US2472894A - Echo suppressor : en
  • CA457375A - Signalling system : en fr
  • CH261946A - Knitting machine. : en fr
  • CH261913A - Safety device for locking devices hanging on a cable, in particular for overhead doors. : de en
  • CH262109A - Device for removing hardened bandages. : de en
  • US2472867A - Hydraulic jack : en
  • USD154158S - Design for a tile floor and wall covering : en
  • US2472784A - Method and apparatus for detecting flaws : en
  • GB624671A - Improvements in portland cement base paints : en
  • AU2760149A - Pin bearing arrangement for dredger bucket mechanism : en
  • US2472836A - Reversible propeller : en
  • US2473348A - Fish stringer : en
  • US2473224A - Process of making alcohol : en
  • CH262147A - Device for holding luggage. : de en
  • CA457381A - Accelerator of vulcanization : en fr
  • NL63376C - : en
  • US2473213A - Kite plane device : en
  • CA457349A - Cathode ray tube : en fr
  • CH261906A - Registration device on beehive scales. : de en
  • ES19957U - Tensioner for shirt collars and lapels (Machine-translation by Google Translate, not legally binding) : en es
  • FR946811A - Signaling and communication systems : en fr
  • GB624814A - A process for the manufacture of organo-silicon compounds : en
  • US2472987A - Shoe : en
  • US2473251A - High-frequency dielectric heating apparatus : en
  • US2473049A - Electric motor : en
  • US2472950A - Nonrefillable bottle : en
  • US2473181A - Catch : en
  • CH262009A - Indicating device. : en fr
  • CH262079A - Magnetic electric machine. : de en
  • US2473222A - Chord indicator : en
  • US2473393A - Lady's slip : en
  • US2473258A - Gas-arc torch : en
  • ES184658A1 - A PROCEDURE AND DEVICE FOR THE MANUFACTURE OF HIGH PRESSURE TUBES FROM HARDENED CONSTRUCTION MATERIALS : en es
  • US2473343A - Centrifugal switch device : en
  • US2473216A - Building construction : en
  • US2473277A - Miniature-golf game board : en
  • US2473427A - Regenerative furnace construction : en
  • CH262019A - Watch movement racket. : en fr
  • CH262181A - Method of representing a pentaene. : de en
  • AU133138B2 - Moulds and prismatic reflectors made thereby : en
  • CH261976A - Process for the production of a new dye. : de en
  • CH262149A - Track system of overhead railways. : de en
  • CH261994A - Board game. : de en
  • CH262033A - Apparatus for measuring the relative displacement between a tool and a part being machined on a machine tool. : en fr
  • US2473211A - Recuperator system for airplane cannons : en
  • US2473372A - Unit type airplane heater : en
  • AU2721249A - Improvements in or relating to regenerative repeaters as used in telegraphy : en
  • CA457355A - Two-part sprocket : en fr
  • ES19924U - Heladora-termo with hydraulic closing. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624690A - Improvements in apparatus for controlling the frequency of thermionic oscillators : en
  • GB624837A - Improvements in or relating to resilient wheel bodies : en
  • CH261950A - Detergents for textiles. : de en
  • AU138759B2 - Seal for relatively rotatable elements : en
  • ES19951U - Battery terminal. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624797A - Improvements relating to table and like lamps : en
  • CH262165A - Process for the preparation of symmetrical pentachloroisopropylbenzene. : de en
  • GB624796A - Improvements in and relating to small commutators : en
  • US2472840A - Valve construction : en
  • US2472881A - Process of recovering caffeine : en
  • ES19923U - Flange or clamp for joining pipes. (Machine-translation by Google Translate, not legally binding) : en es
  • FR946720A - Process for manufacturing lightweight materials with a closed cell structure : en fr
  • FR946746A - Advanced continuous soap making process : en fr
  • FR946880A - Improvements to automatic and semi-automatic machines for packaging objects or products of all kinds in boxes, bags, paper envelopes and other packaging : en fr
  • GB624781A - Improvements relating to electromagnetic waveguides : en
  • GB624788A - Improvements in or relating to method of making an electric battery : en
  • US2473071A - Cable clamping device : en
  • AU2617149A - improvements relating to highchairs : en
  • CH262154A - Track circuit of an electric interlocking switching system for controlling rail traffic. : en fr
  • AU145126B2 - Improvements in or relating toa lifting apparatus : en
  • AU140890B2 - Shock absorber : en
  • CA457391A - Pump and pump system : en fr
  • US2472916A - Electromagnetic checkerboard : en
  • US2473052A - Keyless lock : en
  • US2473204A - Free piston engine control : en
  • CH262133A - Undulated metal strip for decorative purposes. : de en
  • ES18706Y - Toilet bowl. : en es
  • ES18755Y - Orthopedic surgery table. : en es
  • GB624839A - Method of manufacturing dynamoelectric machines : en
  • GB624866A - Improvements in or relating to magnetic amplifiers : en
  • US2473316A - Railway brake beam : en
  • CH261896A - Method of drying material suitable for air drying. : de en
  • US2472940A - Brassiere : en
  • US2473434A - Method for preparing hydrocarbometallic halides : en
  • US2472793A - Gas stove valve operator guard : en
  • US2472951A - Method and apparatus for controlling torch spacing : en
  • US2472953A - Tractor drawn hay rake : en
  • US2473220A - Method of manufacturing target electrodes : en
  • US2473067A - Machine for applying rubber tire treads to carcasses : en
  • CH261958A - Process for the production of insoles. : de en
  • CH262026A - Process for the production of a sintered material. : de en
  • ES18753Y - Device-chair. : en es
  • NL63418C - : en
  • US2472807A - Safety razor : en
  • US2472860A - Combined cable guide arm and torque control switch : en
  • US2473050A - Emergency radio signal for airplanes : en
  • US2473169A - Refrigerator car with a movable bulkhead : en
  • US2472862A - Cutting attachment for sewing machines : en
  • US2473342A - Folding sawhorse : en
  • US2473435A - Blowpipe for heating tools : en
  • CA457372A - Working of high tensile sheet metal : en fr
  • FR946911A - Pocket lighter : en fr
  • US2472820A - Bonding machine : en
  • US2473034A - Discharge lamp ballast assembly : en
  • US2473074A - Reel for motion-picture films : en
  • US2472843A - Material handling device : en
  • US2473415A - Mixing nozzle : en
  • US2473331A - Helicopter power and control mechanism : en
  • US2473457A - Potential comparator : en
  • USD154115S - Cabinet for automotive lubrication equipment : en
  • CH261935A - Machine for performing hourglass-shaped spring assemblies for upholstery. : en fr
  • AU2763049A - Brightness and contrast control for television receivers : en
  • CH262144A - Wheel suspension on vehicles. : de en
  • ES19948U - Hammer-magnifying glass (Machine-translation by Google Translate, not legally binding) : en es
  • CA457363A - Organic fluoroethers and their preparation : en fr
  • USD154092S - Design for a valise or similar article : en
  • ES18743Y - Enhanced tubes for continuous spinning and twisting tines. : en es
  • ES18826Y - Walker seesaw especially applicable to recreational objects. : en es
  • ES187962A1 - IMPROVEMENTS IN THE FORM OF BUILDING PROTECTED REINFORCED CONCRETE PIECES : en es
  • ES18819Y - Sharpening apparatus for pencil leads and similar uses. : en es
  • FR946950A - Manufacture in plastic materials, figurines corresponding to the exact denomination of the pieces used in the game of chess : en fr
  • ES18691Y - Pocket wallet to hold toilet paper. : en es
  • CH262100A - Electric valve. : de en
  • FR946743A - Tap : en fr
  • GB624659A - Improvements in and relating to barrel arbors for time-pieces : en
  • GB624731A - Improvements in and relating to grids for electron discharge devices : en
  • GB624876A - Improvements in aerial systems : en
  • US2472949A - Flexible nozzle for supersonic wind tunnels : en
  • CH261990A - Photographic copier. : de en
  • DK69375C - Method and apparatus for marking short-term phenomena. : da en
  • ES18650Y - Flange for pipe connection. : en es
  • FR946753A - Device for keeping accounting books : en fr
  • ES186763A1 - AN ELECTROMEDICINE APPARATUS : en es
  • ES18750Y - Terminally insulating cap for containers. : en es
  • GB624639A - Improvements in washer assemblies for water taps and the like : en
  • ES186962A1 - IMPROVEMENTS IN THE MANUFACTURE OF PLASTIC CONTAINERS : en es
  • US2472826A - Tire chain release device : en
  • US2472812A - Esters of alpha-fluoromethyl acrylic acids : en
  • US2473392A - Drilling mud containing gelatinized starch and monoethanol ammonium 2-benzothiazyl sulfide : en
  • ES18844Y - Pliers with two articulation axes and triple jaw. : en es
  • GB624568A - Process for the manufacture of thioglycollic acid or its salts : en
  • GB624701A - Improvements in radio transmission systems : en
  • GB624867A - Improvements in or relating to electrodes for heat-treating welded articles : en
  • FR946756A - Electric reader : en fr
  • US2473070A - Line printer device for duplicating machines : en
  • US2473356A - Combustion gas turbine arrangement : en
  • GB624793A - Improvements in or relating to apparatus for emptying cans or the like : en
  • CA457313A - Air conditioning apparatus : en fr
  • US2473140A - Self-adjusting slip box : en
  • DK69352C - Hydraulic jack. : da en
  • GB624780A - Improvements relating to electromagnetic waveguides : en
  • US2473077A - Treapnning tool : en
  • ES19510U - Improved packaging (Machine-translation by Google Translate, not legally binding) : en es
  • CH262076A - Process for manufacturing plates for electric accumulators and the plate thus obtained. : en fr
  • DK69360C - Ring-shaped recording head for telegraphs. : da en
  • AU142588B2 - Improvements in foundation templets for buildings : en
  • CH261998A - Cartridge feeder on automatic firearms. : de en
  • ES186870A1 - AN AIRCRAFT PROTOTYPE : en es
  • GB624607A - Improvements in connection with foundation templets for buildings : en
  • DK69340C - Apparatus for spraying plastic and thermoplastic masses, in particular for spraying wires, lids and other electrical conductors. : da en
  • ES18717Y - Device for binding changeable sheets. : en es
  • FR946817A - Control unit for railway signals and level crossing protection : en fr
  • US2473125A - Elevator door and bridge : en
  • US2473369A - Three-dimensional puzzle : en
  • US2472808A - Thermocouple junction with radiation shield : en
  • CH262096A - Control unit for current limiter. : de en
  • ES186991A1 - IMPROVEMENTS IN ZIPPER CLOSURE TEETH : en es
  • CH262162A - Process for the preparation of a new oxyhydrophenanthrene derivative. : de en
  • US2472919A - Mechanical movement : en
  • USD154102S - Design for a spectacle frame : en
  • ES20055U - Cutter roller "croissants". (Machine-translation by Google Translate, not legally binding) : en es
  • GB624627A - Apparatus for facilitating the cleansing and remodelling of neckties : en
  • GB624737A - Improvements in or relating to rod or the like forming machines : en
  • FR946909A - Manufacturing process for nitric oxide : en fr
  • ES19940U - Radio receiver combined with the pedestal of a table lamp (Machine-translation by Google Translate, not legally binding) : en es
  • GB624735A - Motor having an electromagnetic brake : en
  • ES186955A1 - IMPROVEMENTS INTRODUCED IN THE ASSEMBLY AND PRINTING OF PLATES SEMIESMALTE : en es
  • USD154111S - Combined display rack and color selector : en
  • ES18797Y - Tray container for transporting tomatoes. : en es
  • US2472922A - Lawn mower grinder : en
  • US2473282A - Liquid control gear : en
  • US2473102A - Coupling for brittle pipes : en
  • FR946935A - Improvements to electrical installations of motor vehicles : en fr
  • GB624877A - Improvements in or connected with centreless grinding machines : en
  • GB624916A - Frame for pictures or the like : en
  • ES187936A1 - A MACHINE TO CUT TILES : en es
  • ES18925Y - Lock washers. : en es
  • GB624818A - Improvements in the manufacture of leaf springs : en
  • GB624667A - Improvements in oil burning lamps for use with railway semaphore and like signals : en
  • US2472926A - Tethering post : en
  • US2473088A - Electric switch : en
  • ES187257A1 - A NEW TOY WITH A TRACK BASE : en es
  • GB624865A - Improvements in or relating to heat exchangers and filter-presses : en
  • CH262134A - Advertising facility. : de en
  • GB624880A - Dust cap for oil tubes : en
  • FR946871A - Combination gear shift control and brake lever holder for bicycles, tandems or the like : en fr
  • ES188026A1 - DEVICE TO TAKE TORQUE AND STRETCH TO THE WICKLE IN CONTINUOUS MACHINES OF HILAR : en es
  • FR946948A - Photographic reproduction device giving the negatives directly to the desired scale and whose various movements have independent mechanical controls : en fr
  • FR946707A - Furnace, especially cooker : en fr
  • FR946901A - Process for the production of porous fiberglass sheets : en fr
  • GB624565A - Improvements in or relating to electrical resistances and circuits and apparatus for use therewith : en
  • GB624826A - Forced ventilation apparatus : en
  • CH261915A - Parquet board. : de en
  • CH262117A - Device for applying paintable compounds. : de en
  • CH262014A - Frame for glasses. : en fr
  • US2473068A - Syringe : en
  • CH261966A - Apparatus for metering sulphurous gas intended to be introduced into a receptacle containing a drink. : en fr
  • US2473439A - Motor fuel : en
  • US2473448A - Oscillator : en
  • CH261977A - Process for the production of a new phthalocyanine derivative. : de en
  • CH262127A - Device for coupling two tuned oscillating circuits. : en fr
  • CH262057A - Hydrodynamic disc brake with adjustable braking moment. : en it
  • US2473248A - Commutator cone insulator and method of making the same : en
  • USD154142S - Design for a wrist band : en
  • US2473352A - Folder : en
  • CH261911A - Slat for blinds. : de en
  • CH262050A - Pyrophoric lighter. : en fr
  • BE486301A - : en
  • US2473139A - Piston rod packing lubricator : en
  • US2473311A - Method for producing metal alloys in a submerged resistor type induction furnace : en
  • CH262024A - Process for the production of tools to be fitted with hard metal, in particular rock drills. : de en
  • US2472882A - Transformer : en
  • US2472885A - Automatic multiple stage telegraph system : en
  • CH262081A - Cooling device on electric motors. : de en
  • US2473134A - Adjustable rotor blade : en
  • US2473406A - Diol compounds and esters thereof : en
  • US2472966A - Stop means for feed roll units : en
  • US2472827A - Tire chain release device : en
  • US2472788A - Step-up gearing : en
  • CA457348A - Dental operating lamp construction : en fr
  • CH261894A - Motor vehicle for transport purposes in agriculture and horticulture. : de en
  • ES187992A3 - COPETING MACHINE : en es
  • ES19107Y - Frame for glasses with metal protection. : en es
  • GB624790A - Improvements in or relating to filters for air or other gases : en
  • CH261901A - Hedge and lawn trimmers. : de en
  • GB624776A - Improvements relating to electro-magnetic waveguides : en
  • USD154090S - Design for a cigarette lighter : en
  • FR946717A - Method of mounting insulating bottle ampoules in their sheath : en fr
  • GB624559A - Improvements in or relating to circuit arrangements for providing control voltages : en
  • GB624883A - Improvements in, or relating to, the gripper mechanism of axminster-carpet and othertufted-fabric looms : en
  • ES19145Y - Drainer. : en es
  • US2472895A - Floor waxing and polishing device : en
  • US2473073A - Punch : en
  • US2473272A - Toy machine gun : en
  • AU132136B2 - Improvements in or relating to a receiving arrangement for use with a combined radio glide a path and approach indicating system : en
  • AU2771349A - Improvements in or relating toa lifting apparatus : en
  • US2473274A - Ultra high frequency coupling : en
  • US2473420A - Transformer : en
  • AU131469B2 - Improvements in relating to liquid fuel supply devices for use with internal combustion prime movers : en
  • GB624593A - Improvements in or relating to railway-vehicle bogies : en
  • US2472890A - Machine for sorting record cards : en
  • US2472969A - Loose-leaf binder : en
  • US2473055A - Reclosing carton : en
  • ES187001A1 - SOME IMPROVEMENTS IN THE MANUFACTURE OF MERCURY TILT SWITCHES FOR ELECTRICAL INSTALLATIONS AND AUTOMATED MANEUVER EQUIPMENT : en es
  • GB624761A - Improved means for holding or supporting trees : en
  • ES18902Y - Reels perfected for spinning. : en es
  • FR946727A - Device to prevent the propagation of explosions in gaseous masses : en fr
  • GB624789A - Improvements in and relating to optical glass : en
  • US2473006A - Furnace : en
  • US2473203A - Diolefin distillation : en
  • US2473270A - Cylinder mold papermaking machine : en
  • GB624626A - Improvements in and relating to electric traction systems : en
  • ES187199A1 - A COMBUSTIBLE GAS MANUFACTURING PROCEDURE FOR DECOMPOSITION OF PETROLEUM DERIVATIVES : en es
  • ES18851Y - Automatic lifting spring of toilet lid. : en es
  • ES188076A2 - APPARATUS FOR THE EXTRACTION AND LIFTING OF MECHANICAL OPERATING LIQUIDS POWERED BY AIR : en es
  • ES18868Y - Signature drying machine with continuous paper. : en es
  • GB624588A - Improvements in and relating to lighting fittings : en
  • CH261898A - Process for the preparation of sodium 2,4-dichloro-phenoxyacetate. : de en
  • US2472797A - Toy horse : en
  • US2472958A - Cuff link construction : en
  • DK69343C - Low performance wind turbines featuring an alternator that charges a battery over a rectifier. : da en
  • CA457408A - Frequency discriminating circuit : en fr
  • US2473128A - Elevator door bridge : en
  • ES188008A1 - AN ELECTROMAGNETIC APPARATUS ADAPTED TO REGENERATE AEROTHERMAL VIBRATIONS, PARTICULARLY INTENDED FOR ARTIFICIAL HELIOTHERAPY : en es
  • ES188054A3 - A NEW REMOTE ADDRESS CHANGING SYSTEM, APPLICABLE TO SMALL ROLLING MOBILE PHONES : en es
  • FR946704A - Magnetron refinements : en fr
  • GB624624A - Improvements in or relating to medicines or foodstuffs for animals : en
  • ES18711Y - Single or double-edged tape for shaving or shaving. : en es
  • FR946816A - Elastic metal-rubber tire for vehicle wheels : en fr
  • FR946822A - Semen collector artificial vagina : en fr
  • GB624923A - Improvements in or relating to signal transmission systems : en
  • ES187927A3 - IMPROVEMENTS IN ELECTRIC FORKLIFTS WITH LOAD LIFTING MECHANISM : en es
  • GB624643A - Improvements in or relating to mechanical stokers : en
  • US2472933A - Vacuum breaking and dump valve : en
  • US2473441A - Hose coupling : en
  • GB624858A - Improvements in or relating to variable-speed transmissions and control mechanisms therefor : en
  • GB624887A - Bearing for vertical hydro-extractors : en
  • GB624834A - Sewing machine for attaching buttons or other articles : en
  • GB624838A - Improvements in or relating to resilient wheels : en
  • FR946904A - Machine for laying bricks in construction : en fr
  • ES188036A1 - A DEVICE FOR THE GASIFICATION OF LIQUIDS : en es
  • FR946878A - Improvements to high or ultra-high frequency circuit assemblies : en fr
  • FR946929A - Automotive vehicle for agriculture : en fr
  • GB624638A - Improvements in or relating to magnetic recording : en
  • FR946788A - Wave signal energy transmission device : en fr
  • ES19947U - Container wrapping available in parallel in landfill (Machine-translation by Google Translate, not legally binding) : en es
  • FR946864A - Process for the preparation of beta-lactose : en fr
  • GB624636A - Improvements in or relating to variable-ratio power transmission apparatus : en
  • US2473142A - Artificial fish lure : en
  • USRE23121E - Antihunting electrical measuring and control apparatus : en
  • ES186835A3 - A PROCEDURE FOR THE MANUFACTURE OF YARN, FABRICS, ROPES AND OTHER OBJECTS IMPREGATED WITH RUBBER : en es
  • FR946708A - Mixer device : en fr
  • FR946783A - Improvements to ignition and control switches for discharge lamps or tubes : en fr
  • GB624775A - Improvements in or relating to filters for air or other gases : en
  • US2473205A - Fire escape control mechanism : en
  • GB624710A - Improved decorative or ornamental material and method of making same : en
  • US2472880A - Transmission gear for machine tools : en
  • US2473201A - Garment hanger : en
  • GB624833A - Improvements in and relating to drying machines especially for silk stockings and the like : en
  • DK69365C - Diesel engine with auxiliary combustion chamber. : da en
  • CH262104A - Magnetic body made from pressed magnetic powder and process for its manufacture. : de en
  • DK69369C - Device for life jackets. : da en
  • FR946770A - Rotary press for drying fibrous and other materials : en fr
  • FR946834A - Manufacturing process of electric resistances : en fr
  • ES187961A1 - IMPROVEMENTS INTRODUCED IN THE RODS FOR OPTICAL MOUNTS CARRIED OUT IN PLASTIC MATERIALS : en es
  • GB624699A - Process and apparatus for coating wires, cords, tubes, rods, and the like, more particularly with plastic materials : en
  • ES186743A1 - A PROCEDURE TO MAKE A MAGNETICALLY ANISOTROPIC PERMANENT MAGNET : en es
  • GB624583A - Improvements in means for adapting gas fires to ordinary fireplace openings : en
  • ES18899Y - Perfected brief. : en es
  • FR946917A - Complex wires for pulverizing fusible materials : en fr
  • GB624664A - Improvements relating to instruments for measuring heat loss or utilisation : en
  • FR946734A - Receiving device for folding machines and especially for pocket folding machines : en fr
  • FR946829A - Rotor having a peripheral row of blades : en fr
  • DK69351C - Shake molding machine with associated shake piston, lifting piston and press piston. : da en
  • ES18887Y - Buckle. : en es
  • FR946913A - Nutcracker with progressive pressure by screw : en fr
  • ES18771Y - Wood and rubber spigot. : en es
  • GB624813A - A method and a device for making a biased spiral wound tension spring as well as a spiral spring made therewith : en
  • GB624816A - Improvements in or relating to electrical condensers : en
  • ES20052U - Tap or key (Machine-translation by Google Translate, not legally binding) : en es
  • US2472831A - Process for the preparation of a silica-metal oxide hydrogel catalyst : en
  • US2473116A - Pin-forming and button-pinning machine : en
  • CA457400A - Centerless grinder : en fr
  • ES186559A1 - A PROCEDURE, WITH THE CORRESPONDING DEVICE, FOR GASIFICATING FINE GRAIN CARBONATE SUBSTANCES : en es
  • GB624654A - Improvements relating to safety saddle-bars or stirrup-strap suspenders : en
  • ES18680Y - New shut-off valve for taps. : en es
  • ES187861A1 - A CONTAINER SYSTEM WITH REFRIGERATED LINES : en es
  • US2473089A - Anchor leader : en
  • US2473403A - Hydrophilic dye intermediates : en
  • US2473136A - Abdominal pillow : en
  • US2473368A - Suppository : en
  • CH262141A - Folding box. : de en
  • US2473095A - Tilting salt bath furnace : en
  • AU2771249A - Improvements relating to tee square : en
  • US2473040A - Brake rotor : en
  • ES187925A1 - IMPROVEMENTS IMPLEMENTED IN FILE HOLDERS FOR HILAR MACHINES : en es
  • CH262160A - Drawer slide. : de en
  • FR946719A - Process for manufacturing rigid materials having a closed cell structure : en fr
  • AU145873B2 - Liquid or gaseous fuel burners : en
  • AU2766449A - Improvements in or relating to means for sealing and unsealing containers, canisters, drums, vessels andthe like : en
  • CA457331A - Hand operated pump for bicycles : en fr
  • AU2699249A - A method and apparatus for producing a wall unit : en
  • CH262051A - Process for the production of snap rings and snap ring produced by the process. : de en
  • CH262087A - AC contactor. : de en
  • CH262128A - Method for stabilizing the pulse generation of a high-frequency tube oscillator and pulse generator for carrying out the method. : de en
  • DK69370C - Device with completely submersible impeller propeller, especially of large dimensions. : da en
  • US2473366A - Die casting machine : en
  • USD154164S - Tile flooh and wall covering : en
  • USD154168S - Design for a tile floor and wall covering : en
  • CA457382A - Tool for collapsing hollow rivets : en fr
  • CH261949A - Dye preparation. : de en
  • CH261972A - Process for the production of 7-dehydro-cholesterol. : de en
  • AU129146A - Improvements relating to frequency measurements : en
  • US2472944A - Gyroscopically stabilized camera boom : en
  • USD154161S - Design fob a tile floor, and wall covering : en
  • AU2769249A - Improvements in or relating to pulse modulation systems and transmitters and receivers for pulse-modulation : en
  • AU138848B2 - Improved means for spraying sheep andother animals : en
  • US2473375A - Double universal connection for vehicle coupling and steering devices : en
  • US2473425A - Screw cap opener : en
  • CA457357A - Cable binding for skis : en fr
  • AU2769749A - An electrically controlled brake unit and manufacture of parts thereof : en
  • CH261937A - Double bed. : en fr
  • CH262042A - Scouring material for polishing metal objects. : de en
  • CH262119A - Amplifier. : de en
  • US2473165A - Three-way vegetable slicer : en
  • USD154123S - Design for a lace tablecloth : en
  • AU2766949A - Improvements in or relating togas-turbine engines : en
  • CA457379A - Amides of beta-hydroxy mono-carboxylic acids : en fr
  • CA457347A - Lamp filament support and connection : en fr
  • CH262007A - Water level. : en fr
  • FR946777A - Extendable wrench without wheel or notches for tightening nuts : en fr
  • FR946832A - Improvements in the means of reproduction of movement : en fr
  • GB624632A - Improvements in hydraulic reciprocating pumps : en
  • ES187360A1 - A NEW PROCEDURE OF IRONING AND DRYING CLOTHES WITH REHEATED STEAM : en es
  • ES187999A1 - A NEW PROCEDURE FOR THE DISCURSION OF SKINS TREATED TO CHROME OR SEMI-CHROME : en es
  • US2472814A - Testing dielectric materials : en
  • US2472977A - Fluorescent lamp socket : en
  • ES186728A1 - IMPROVEMENTS INTRODUCED IN THE PREPARATION OF CARBONATE FUELS : en es
  • CH262058A - Device for limiting the length of a spring tube, in particular for expansion compensators. : de en
  • ES187949A1 - A MECHANISM FOR IMPREGNATION, IN THE MANUFACTURE OF ENAMELED METAL THREADS : en es
  • US2473064A - Reciprocating pump piston and assembly : en
  • CH262179A - Method of representing a pentaene. : de en
  • ES18721Y - Compact for spraying. : en es
  • CH262054A - Machine part with interchangeable teeth. : de en
  • US2473231A - Adjustable mirror observation unit for smoke indicators : en
  • CH261929A - Process for printing glass objects starting from solid state glass and apparatus for carrying out this procedure. : en it
  • US2473185A - Fluid coupling with unitary die cast vane structure : en
  • USD154139S - Design for a locomotive body or the like : en
  • CA457386A - Wave-signal translating system : en fr
  • US2473218A - Telescoping lamp standard : en
  • US2473227A - Hairdressing device : en
  • USD154141S - Pishing spinner or similar article : en
  • CA457325A - Hot air furnace : en fr
  • CA457367A - Heptafluoromonochlorocyclobutane and process of making same : en fr
  • FR946745A - Device such as faucet : en fr
  • GB624631A - Joining polyvinyl chloride sheets : en
  • GB624729A - Electrical wiring systems with grounding means : en
  • GB624774A - Improvements in or relating to self-contained breathing apparatus : en
  • USD154187S - Design for a refrigerator : en
  • ES18795Y - Folding pourer closure for various containers. : en es
  • GB624844A - Improved apparatus for indicating the air speed and direction of aircraft : en
  • CH262085A - Process for the production of electrical telecommunication cables with at least one shielded conductor pair. : de en
  • US2472943A - Stair elevator : en
  • US2473212A - Aircraft sprayer : en
  • CA457422A - Fastening device : en fr
  • CH262125A - Directional antenna arrangement provided with at least one phase shifter. : de en
  • CH262132A - Projection-type television receiver. : de en
  • US2473187A - Automobile disappearing warning signal : en
  • US2472838A - System for charging and discharging energy storage devices : en
  • US2472936A - Brace for doors and the like : en
  • US2473108A - Center drive lathe power chucking mechanism : en
  • US2473429A - Bottle carrier : en
  • CH262067A - Rotary pump without valves. : en fr
  • USRE23122E - Double-acting pump : en
  • GB624645A - Improvements in the attachment of hand-wheels or the like to shafts : en
  • US2473320A - Cathode-ray tube : en
  • US2473323A - Method and apparatus for treating sewage : en
  • USD154152S - Design fob a tile floor and wall covering : en
  • NL63338C - : en
  • USD154099S - Design for a table lamp : en
  • USD154105S - Rack or the like for billiard cues : en
  • US2473177A - Bicycle coaster brake : en
  • ES18788Y - Portable lantern-lamp. : en es
  • ES19990U - Lamp or lighter for liquid fuels (Machine-translation by Google Translate, not legally binding) : en es
  • FR946883A - Improvements made to the production processes of clichés in organic plastics : en fr
  • GB624732A - Improvements in and relating to gramophones : en
  • CA457339A - Goggle : en fr
  • GB624617A - Improvements in or relating to a process for removal and recovery of acetylene from gas mixtures : en
  • USD154166S - Tile floor and wall covering : en
  • ES18705Y - Container for injection needles. : en es
  • ES18710Y - Toothbrush, with changeable bristle holder. : en es
  • US2473336A - Reciprocatory pump and the like : en
  • ES185660A1 - AN INSTALLATION BASED ON HYDRAULIC SYSTEM FOR PRESSURE PRODUCTION : en es
  • US2473063A - Shear tenderness tester : en
  • US2473229A - Apparatus for stretching and straightening shoes : en
  • GB624696A - Improvements in or relating to method of preparing a stable aqueous theophylline solution and the product resulting therefrom : en
  • FR946789A - shaped glass elements for thermionic tube ampoules : en fr
  • US2472931A - Flow camera document-copying machine : en
  • US2473417A - Sectional shaft : en
  • US2473418A - Box tool : en
  • USD154106S - Design for a lipstick container : en
  • ES186866A1 - A PROCEDURE FOR THE PRODUCTION OF AN ANTIBIOTICS FOR THE GROUP OF HEMOPHILS, SELECTIVE FOR "HAEMOPHILUS PERTUSIS" : en es
  • GB624821A - Improvements in or relating to belt drives for machine tools : en
  • USD154151S - Design for a tile floor and wall covering : en
  • US2473491A - Direction finding device : en
  • FR946884A - Device for mounting several saws or other tools on a single shaft at adjustable intervals : en fr
  • GB624855A - Pyridine recovery by a distillation process : en
  • US2472997A - Firing line catcher : en
  • USD154179S - Design fob a tile floor and wall covering : en
  • ES18641Y - Articulated metal closure. : en es
  • ES19922U - Gleaner for wood. (Machine-translation by Google Translate, not legally binding) : en es
  • US2473081A - Thermostatic switch and sealed adjusting control : en
  • BE489239A - improvements to adjustable metal props : en fr
  • CA457333A - Apparatus for treating materials : en fr
  • US2473109A - Car mover : en
  • US2472884A - Cushioning attachment for game tables : en
  • ES18729Y - Combined skirt. : en es
  • US2473110A - Preparation of colloidal trisulfide of arsenic : en
  • FR946771A - Grinding wheel with its crucible allowing the individual melting of small fusible metal toys at low temperature : en fr
  • GB624657A - Improvements in arc electrode support : en
  • US2473157A - Transmission mechanism : en
  • FR946848A - Seamless hose clamp says : en fr
  • CH262036A - Process for the preparation by electrolysis of porous mat iron and electrolytic iron obtained by this process. : en fr
  • US2472963A - Protected metal article : en
  • GB624700A - Improved indicator comprising a scale with an associated pointer : en
  • CA457356A - Crop compressor : en fr
  • ES19989U - Universal mechanical gauge key. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624689A - Improvements in or relating to producing photographs giving the appearance of relief : en
  • US2472875A - Micrometer caliper : en
  • USD154180S - Design for a tile floor and wall covering : en
  • FR946823A - Electric device for sewing machine : en fr
  • GB624697A - Improvements in or relating to cabinets or the like : en
  • ES20038U - Children's bicycle with rowing drive. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624862A - Improvements in or relating to perforation of sheet material for use in computing orlike machines : en
  • GB624882A - Improvements in, or relating to, the tuft-cutting mechanism of axminster-carpet and other tufted-fabric looms : en
  • ES187123A1 - A PROCEDURE AND APPARATUS FOR THE PRODUCTION OF WATER VAPOR : en es
  • FR946776A - Pressure regulator : en fr
  • US2472979A - Semiautomatic tuner device for radio apparatus and the like : en
  • CH262168A - Process for the preparation of a brown polyazo dye. : de en
  • US2473471A - Carriage cushioning means for : en
  • ES19938U - Articulated joint for the trapezoidal belt connection of trapezoidal section (Machine-translation by Google Translate, not legally binding) : en es
  • FR946755A - Pumping device for spraying device : en fr
  • GB624778A - Improvements in and relating to polysiloxane resins : en
  • GB624563A - Improvements in direction finders : en
  • GB624665A - Improvements relating to the production of molten metal in rotary kilns and the like : en
  • US2472904A - Transmitting antenna with automatic tuning, particularly for aircraft wireless : en
  • US2472846A - Heat power plant : en
  • US2473304A - Condensation of zinc from its vapor in gaseous mixtures : en
  • ES186930A3 - OSCILLATOR, WITH CATHODIC COUPLING, FOR ELECTRONIC MUSIC INSTRUMENTS : en es
  • ES19963U - League brooch (Machine-translation by Google Translate, not legally binding) : en es
  • GB624817A - Improvements in or relating to contact breakers : en
  • CA457323A - Food preparing machine : en fr
  • US2473167A - Two-hand control : en
  • US2473259A - Dynamoelectric machine : en
  • ES188070A1 - CONSTRUCTION PROCEDURE OF DILATATION MEETINGS : en es
  • FR946758A - Process of agglomeration and granulation of powdered or porphyrised phosphates intended for agriculture : en fr
  • US2473376A - Soap tray : en
  • US2472973A - Pressure testing apparatus and control circuits therefor : en
  • USD154169S - Design fob a tile floor and wall covebing : en
  • US2472945A - Apparatus for detecting uncapped bottles : en
  • US2473353A - High-frequency vibrator mechanism : en
  • US2473038A - Electrically controlled valve means : en
  • US2473324A - Fishing lure : en
  • US2473481A - Casting machine for lining bearings : en
  • NL63585C - : nl
  • US2472850A - Antiglare lens structure for headlights and the like : en
  • US2472866A - Marine mine : en
  • AU141568B2 - Apparatus for actuating control surfaces of dirigible aircraft : en
  • US2473024A - Method of making fabricated articles : en
  • US2473105A - Electric motor mounting : en
  • US2473310A - Tunable electrical circuits : en
  • USD154104S - Rack or the like for billiard cues : en
  • ES186977A3 - PERFECTIONS IN THE ASSEMBLY OF HANDLEBAR TUBES FOR BICYCLES : en es
  • ES188007A1 - AN INSTALLATION FOR THE MANUFACTURE OF VINEGAR : en es
  • AU1900045A - Television image translating device : en
  • GB624581A - Improvements in automatic circuit breakers having thermal overload release units : en
  • ES187950A1 - A OVEN FOR THE MANUFACTURE OF ENAMELED METAL THREADS : en es
  • ES188020A1 - A PROCEDURE FOR THE MANUFACTURE OF PLATES BASED ON HARDENED CARTON : en es
  • ES188030A1 - A SYSTEM, WITH THE APPLIANCE, FOR THE SELECTION OF FINES OF MINERAL AND VEGETABLE DUSTS : en es
  • AU2759949A - Improvements in or relating to thermionic valve amplifiers : en
  • CA457342A - Hydrodynamic coupling : en fr
  • FR946916A - Improvements to alternators that generate electricity : en fr
  • CH261961A - Overshoe. : en it
  • CH262020A - Waterproof case for watch movements and measuring devices. : en fr
  • CH262129A - Antenna attached to a carrier and coupled to a transmission line. : de en
  • GB624784A - Improved starting mechanism for reversible internal combustion engines : en
  • US2473154A - Production of soap from hydrogenated vegetable oils : en
  • US2473469A - Method and apparatus for minimizing the horizontally-traveling components of seismic waves : en
  • AU131139B2 - Improvements in or relating to electrical timing circuit arrangements and to electrical circuit arrangements for generating electrical waveforms : en
  • CH261928A - Process for bending glass sheets and apparatus for setting up the process. : en it
  • US2472986A - Cord protector and strain reliever for use with electrical connectors : en
  • US2473161A - Propane chlorination : en
  • US2473301A - Motion-picture screen : en
  • ES186648A1 - A PROCEDURE, WITH THE CORRESPONDING DEVICE, FOR THE GASIFICATION OF THICK GRAIN CARBONATE MATERIALS THAT BIND UP WHEN THEY ARE SUBJECTED TO HEATING : en es
  • ES186762A1 - A PROCEDURE, WITH THE CORRESPONDING DEVICE, TO RAISE ELEVATED SPECIFIC PESOS LIQUIDS : en es
  • ES20040U - Improved rotating knitting device (Machine-translation by Google Translate, not legally binding) : en es
  • FR946710A - Improvements to handling tongs and in particular to sugar tongs : en fr
  • CH261924A - Handcuff. : en fr
  • ES18799Y - Case with support plate for hypodermic needle. : en es
  • GB624573A - Improvements in variable speed gearings : en
  • CA457340A - Styrene-acrylonitrile copolymers : en fr
  • CH262022A - Grandier for watch stones. : de en
  • ES19013Y - Starter. : en es
  • FR946865A - Cleaning utensil, especially for household : en fr
  • USD154097S - Design for a nursery lamp : en
  • GB624608A - Improvements in composite structures, such as shuttering for concrete or as parts of buildings, comprising a number of of panel elements : en
  • CH262120A - Multichannel carrier messaging system. : de en
  • AU2415145A - Improvements in relating to liquid fuel supply devices for use with internal combustion prime movers : en
  • FR946739A - Tie fix device : en fr
  • GB624740A - Improvements relating to television transmitters and receivers or the like : en
  • CH262112A - Tooth plates for holding artificial teeth. : de en
  • US2472972A - Lawn edger : en
  • US2472942A - Electron tube : en
  • US2473219A - Guard arrangement for power presses : en
  • US2473344A - Overload protection system : en
  • US2473473A - Method of preparing regenerated cellulose : en
  • US2472970A - Apparatus for the heat processing of canned products : en
  • USD154183S - Design fob a tile floor and wall covering : en
  • AU147699B2 - Improvements relating to sawtooth waveform generators : en
  • CH261987A - Reflex sighting device. : en fr
  • CH262092A - High-performance switch for extra high voltages. : de en
  • FR946728A - automatic gas pressure balancer : en fr
  • US2472905A - Tractor hitch : en
  • US2473387A - Anti-icing means for aircraft : en
  • AU2763249A - Improvement in reducing specimen contamination in electron optical instruments : en
  • ES20020U - Automatic device to fix, with the height you want, curtains-roller blinds and similar rope. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624613A - Improvements in stereoscopic picture assemblies of the parallax panoramagram type : en
  • CH261930A - Electrically heated oven for drawing threads from rods or tubes made of glass. : de en
  • GB624812A - A process and apparatus for drying pasty materials : en
  • CH262171A - Process for the preparation of a brown polyazo dye. : de en
  • US2472985A - Container : en
  • ES18704Y - Toilet bowl. : en es
  • ES187995A1 - A IMPROVEMENT IN THE CLUTCH SYSTEM OF CONTINUOUS ROTARY MACHINES TO MAKE COMPRESSES : en es
  • ES19959U - Rotary juicer for fruits. (Machine-translation by Google Translate, not legally binding) : en es
  • CA457319A - Stretching device for ties and the like : en fr
  • CH261995A - Method of making dolls furniture. : de en
  • GB624829A - Improvements in or relating to combustion apparatus : en
  • AU2703249A - Seal for relatively rotatable elements : en
  • FR946846A - Process for achieving permanent waving of hair using heat obtained by an exothermic reaction : en fr
  • GB624744A - Improvements in or relating to means for contacting a gas with a liquid : en
  • AU146228B2 - An improved thresher bar and thresher bar and thresher for removing grain from heads and straw : en
  • ES187339A1 - A PROCEDURE, WITH THE CORRESPONDING APPARATUS, TO PERFORM REACTIONS OF GASES WITH FINE GRAIN SUBSTANCES : en es
  • ES18904Y - Reinforcement for the heel of the shoe. : en es
  • ES19943U - Articulated and extendable arm for rear-view mirrors (Machine-translation by Google Translate, not legally binding) : en es
  • FR946850A - Opaque and translucent material : en fr
  • GB624733A - Process of stabilising textile material : en
  • GB624860A - Improvements in or relating to tools for marking animals ears for identification purposes : en
  • AU2702149A - Improvements in core shuttering suitable for moulding hollow concrete walls : en
  • ES186686A1 - A PROCEDURE TO PRODUCE SOLUTIONS WITH DETERMINED COMPONENTS : en es
  • ES186822A1 - A PROCEDURE TO CALIBRATE OR SEPARATE BY SIZE OF CRUSHED OR MILLED MINERAL PARTICLES AND SIMILAR PARTICLE COLLECTIONS : en es
  • ES187129A1 - A RATCHET BUTTON DEVICE : en es
  • GB624556A - Improvements in the making of gas tight joints for the pistons of gas compressors : en
  • US2473357A - Swinging drawbar : en
  • ES18628Y - Scraper. : en es
  • US2473391A - Container : en
  • FR946889A - Improvements to phonographic reproduction devices : en fr
  • GR12072B - LEVEL TACHYPOLYGRAPH. : el en
  • ES188017A1 - A PROCEDURE FOR OBTAINING AN INSECTICIDE COMPOSITION : en es
  • ES187159A1 - IMPROVEMENTS IN PARKING MACHINES WITH AUTOMATIC DISCS CHANGE : en es
  • FR946933A - Automatic electric alarm clock : en fr
  • AU132104B2 - Improvements relating to frequency measurements : en
  • CA457424A - Textile materials : en fr
  • GB624907A - Improvements in grip, clip, or clamp devices : en
  • ES18649Y - Coiled antenna for radios. : en es
  • FR946860A - Improvements to phonograph pick-ups : en fr
  • USD154181S - Design fob a tile floor and wall covering : en
  • US2472956A - Ruffle curtain : en
  • US2473083A - Hydraulic weighing scale : en
  • US2473476A - Method and mold for making boron carbide articles : en
  • DK69373C - Method of applying a color film floating on a water surface to the surface of carriers, in particular textile fabrics. : da en
  • ES187932A1 - A PRESSURE PUMP FOR FORCE TRANSMISSION : en es
  • ES19932U - Injector muffle for dentistry and analogous purposes. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624921A - Improvements relating to endless tracks for vehicles and the like, and for conveyors : en
  • US2473147A - Slip-ring structure : en
  • US2473309A - Rotary balanced vane pump : en
  • GB624756A - Means for releasably securing a dental prothesis : en
  • AU2704549A - Improvements in or relating tothe preparation of catalysts : en
  • GB624809A - Eyeglass frame construction : en
  • ES19968U - Mouth filling machine. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624590A - Improvements in metal cutting and working machines : en
  • GB624715A - Improvements in and relating to fluid operable gauges : en
  • ES187237A1 - A PROCEDURE FOR THE PREPARATION OF METAL TAPES FOR THE MANUFACTURE OF HERRETES OR STAPLES FOR SLIDING CLOSURES : en es
  • US2473191A - Larding and seasoning needle : en
  • ES19123Y - Hot plate. : en es
  • USD154110S - Design for a planter lamp : en
  • ES18678Y - Perfected bed base. : en es
  • GB624815A - Improvements in or relating to manufacture of turbine blades and the like : en
  • ES186901A1 - AN AUTOMATIC VOLTAGE REGULATOR FOR ALTERNATING CURRENT GENERATING GROUPS : en es
  • FR946892A - Feeding device for internal combustion engines : en fr
  • CA457320A - Potato digger : en fr
  • US2473478A - Utensil support for gas ranges : en
  • ES187935A1 - A PROCEDURE FOR THE ANODIC PROTECTION OF ALUMINUM PIECES AND ALLOYS OF THE SAME : en es
  • ES19937U - Basket or suitcase for the transport of victuals and utensils for meals. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624576A - Improvements relating to valves of the diaphragm type : en
  • GB624807A - Use of boron oxide in producing quartz coatings in a vacuum : en
  • FR946938A - Vertical interior furnace, advanced : en fr
  • ES18660Y - Lip pencil case. : en es
  • GR12071B - CONTINUOUS BURNING LIME FIREPLACE. : el en
  • ES186948A1 - PROCEDURES FOR THE MANUFACTURE OF THREADS AND ARTIFICIAL FILAMENTS STARTING FROM VISCOSA : en es
  • ES18793Y - Attachment of sheets forming block for pocket diaries. : en es
  • GB624679A - Improvements relating to electric motors : en
  • AU142824B2 - Improvements in or relating togas-turbine engines : en
  • AU208246A - Improvements in or connected with vibration damping mountings for optical observation instruments : en
  • US2473209A - Buckle : en
  • US2472918A - Aircraft bank and turn control system : en
  • US2473044A - Self-locking safety catch : en
  • US2472877A - Washing cellulose : en
  • US2473189A - Glass cutter : en
  • GB624898A - Improvements in or relating to the electroplating of copper : en
  • FR946765A - Methods and apparatus for the separation of ores : en fr
  • GB624723A - Improvements in rocking horses : en
  • FR946910A - Production of nitrogen dioxide : en fr
  • ES187595A1 - IMPROVEMENTS IN CELLS FOR THE OBTAINING OF CHLORINE-ALLCALI : en es
  • GB624736A - Preparation of polychlorinated aromatic compounds : en
  • US2472873A - Hair drier : en
  • US2472967A - Drilling machine : en
  • GB624741A - Improvements in or relating to frequency shift and like signalling systems : en
  • US2472901A - 2,2' (2-ethylhexanamido) diethyl di (2-ethylhexanoate) : en
  • US2473452A - Force cup for cleaning drainpipes and the like : en
  • ES187985A1 - A PROCEDURE FOR MANUFACTURING BATHROOMS OR APPLIANCES WITH AN INTERNAL STAIR, OF THE TYPE CALLED UNIVERSAL : en es
  • US2472996A - Thermometer : en
  • US2473385A - Absorption refrigeration method and system having provision for the return of purgedgas : en
  • US2473330A - Voltage control system for cathode-ray tubes : en
  • CA457414A - Cable structure : en fr
  • DK69331C - Process for the recovery of ɛ-caprolactam from polyamides. : da en
  • ES186949A1 - A PROCEDURE FOR THE MANUFACTURE OF THREADS AND ARTIFICIAL FILAMENTS STARTING FROM VISCOSA : en es
  • ES20032U - Cat lift. (Machine-translation by Google Translate, not legally binding) : en es
  • CH262182A - Process for the preparation of a phenoxyalkylammonium compound. : de en
  • US2472853A - Shaving apparatus : en
  • US2473350A - Folding push chair : en
  • BE489055A - : en
  • CH262053A - Holding device for a holding member which is arranged displaceably in a guide body. : de en
  • CH261959A - Waterproofing overshoe for skiers' shoes. : en it
  • US2473079A - Traveling bag : en
  • US2473171A - Automatic spark advance mechanism : en
  • CA457406A - Electrical system : en fr
  • CH262016A - Process for cutting spectacle lenses and spinning for its implementation. : en fr
  • CA457317A - Bicycle drive mechanism : en fr
  • ES18770Y - Insurance against theft or loss of pocket wallets. : en es
  • ES184944A1 - A NEW PROCEDURE TO OBTAIN PHOTOGRAPHS IN COLORS : en es
  • FR946702A - Bedding improvements : en fr
  • GB624703A - Improvements in or relating to radial cylinder pumps : en
  • US2473332A - Insulation means for electrical apparatus : en
  • CH262172A - Process for the preparation of a brown polyazo dye. : de en
  • CH262180A - Method of representing a pentaene. : de en
  • ES187694A1 - A HYDRAULIC PRESSURE SELF-SUPPORT SYSTEM, APPLICABLE TO WASHBASINS : en es
  • GB624747A - Improvements in or relating to high frequency electric heating equipment comprising a transformer : en
  • US2473129A - Method of carrying out exothermic reactions : en
  • USD154148S - Design for a tile floor and wall covering : en
  • US2473334A - Potentiometric circuit : en
  • AU145574B2 - Improvement inself-quench superregenerative amplifier : en
  • GB624673A - Battery terminal connector : en
  • FR946808A - Guidance systems, applicable in particular to air navigation : en fr
  • GB624702A - Improvements in or relating to electric discharge tubes : en
  • US2472921A - Cup positioning apparatus : en
  • US2473305A - Window shade guide : en
  • US2472883A - Method and apparatus for producing cartons : en
  • GB624894A - Improvements in or relating to carpet sweepers or suction cleaners : en
  • US2473190A - Method of producing fibrous building compositions : en
  • CH262056A - System with claw coupling. : de en
  • ES187610A1 - A SYNCHROME MOTOR : en es
  • ES188027A1 - IMPROVEMENTS IN PUMPS TO CHORRO : en es
  • CA457332A - Smoker's pipe and method of drainage : en fr
  • CH261980A - Fabrics and processes for their manufacture. : de en
  • AU146794B2 - Improvements in or relating to moulding concrete blocks : en
  • US2472994A - Knife sharpness tester : en
  • US2473382A - Apparatus for treating motionpicture film : en
  • CH262075A - Absorption chiller. : de en
  • CH262166A - Process for the preparation of a pentachloroisopropyl-tert-butylbenzene. : de en
  • US2472927A - Testing device for filamentary material : en
  • AU2758849A - Improvements relating to sawtooth waveform generators : en
  • CH262137A - Bag that can be converted into a seat. : de en
  • CA457377A - Solid diazo complex : en fr
  • US2473054A - Bottle vending machine : en
  • US2473104A - Arrangement for sawing stones : en
  • USD154103S - Rack or the like for billiard cues : en
  • AU145166B2 - Improvement in reducing specimen contamination in electron optical instruments : en
  • CA457378A - Fine edged cutting implements and the manufacture thereof : en fr
  • USD154124S - Design for a lace tablecloth : en
  • CH261979A - Process for the production of a powdery or doughy paint. : de en
  • CH262038A - Machine for regulating internal tensions in band saw blades. : en fr
  • GB624888A - Screw-cutting dies : en
  • CA457416A - Production of motor fuels : en fr
  • AU2772749A - Fluid heating system : en
  • CH261952A - Smoothing press. : de en
  • AU2702849A - Arrangement forthe automatic loading and unloading of transportation vehicles : en
  • US2473233A - Rotor generating : en
  • US2473340A - Bolster for four-wheel commercial and farm trailers : en
  • ES187916A1 - IMPROVEMENTS IN THE CONSTRUCTION OF LOCKS : en es
  • USD154127S - Design for a coin bank : en
  • FR946797A - Automatic ejection tube for makeup sticks or other objects : en fr
  • CH261940A - Machine for loosening and cleaning fibers. : de en
  • GB624861A - Improvements in fluxes for treating magnesium-base lithium alloys : en
  • ES18126Y - Shoulder pad for clothing. : en es
  • ES187446A1 - IMPROVEMENTS IN THE ABSORPTION REFRIGERATOR SYSTEM : en es
  • FR946744A - Tap : en fr
  • GB624628A - Wringers : en
  • US2473160A - Mold jacket : en
  • US2473152A - Tool for reaping asparagus and the like : en
  • CH262093A - Electrical contact whose change in resistance, controlled by the contact pressure, is used. : de en
  • US2473023A - Halftone screen holder : en
  • US2473245A - Forging or upsetting of metal rods or bars using electric resistance heating : en
  • AU143760B2 - Improvements in or relating to means for sealing and unsealing containers, canisters, drums, vessels andthe like : en
  • CH261954A - Method of anodizing the links of zipper chains and device for its implementation. : en fr
  • CH261978A - Process for the preparation of a water-soluble phthalocyanine series dye. : de en
  • CH262031A - Manufacturing process of milling cutters for machine tools. : en fr
  • AU153702B2 - Improvements in or relating, to puffing of cellular products : en
  • CH261992A - Self-tightening buckle for long strap ski binding device. : en fr
  • US2473148A - Radiator valve assembly : en
  • CH262015A - Optical viewing and lighting apparatus for medical and technical purposes. : de en
  • GB624857A - Improvements in vibratory appliances : en
  • USD154175S - Tile floor and wall covering : en
  • AU146255B2 - Improvements in and relating to electrode mounting in electrolytic cells : en
  • CA457371A - Electron tube apparatus : en fr
  • ES186603A1 - A PROCEDURE, WITH THE CORRESPONDING APPARATUS, FOR THE PERMUTATION OF HEAT IN A COUNTERCURRENT BETWEEN GASES TO COOL AND COOLING AGENT, WITH SIMULTANEOUS CONDENSATION OF ONE OR MORE COMPONENTS OF THE GASES : en es
  • CA457322A - Primary battery depolarizer and method of making same : en fr
  • AU151155B2 - Improvements in or relating to regenerative repeaters as used in telegraphy : en
  • CH262073A - Combustion chamber, in particular for gas turbines. : de en
  • CH262177A - Pin placing machine. : en fr
  • FR946943A - Improvement in friction pads for overhead lines : en fr
  • CH261974A - Process for the preparation of an azo dye. : de en
  • CA457383A - Expander and method of manufacture : en fr
  • AU146529B2 - Improvements relating tothe smelting of raw materials containing titanic acid : en
  • US2472908A - Process for treating a hydrocarbon mixture which is contaminated by small amounts oforganic fluorine compounds : en
  • NL65489C - : en
  • CH261941A - Dishwasher. : de en
  • CH262049A - Lighters, in particular pocket lighters. : de en
  • ES187091A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • US2473163A - Plating nickel on aluminum : en
  • US2473359A - Door check device : en
  • CH262018A - Compensating hairspring for watches, chronometers, etc. : en fr
  • CA457364A - Saturated polyfluoro carbonyl compounds and their preparation : en fr
  • CH262013A - Magnetic recorder with automatic shut-off device if the sound carrier breaks. : de en
  • CH262035A - Metal scraper. : de en
  • US2473051A - Adapter : en
  • CH261945A - Loom with a weft gripper. : de en
  • CH262113A - Process for the production of artificial teeth. : de en
  • US2472852A - Filling and venting structure for storage batteries : en
  • CA457345A - High frequency apparatus : en fr
  • CA457376A - Communication system : en fr
  • CH262091A - Electric current interruption arc chamber. : de en
  • ES19981U - Staples for fixing cables, tubes and the like. (Machine-translation by Google Translate, not legally binding) : en es
  • CA457415A - Isomerization of alpha olefins : en fr
  • CH261964A - Slicer. : de en
  • US2473042A - 3,5-dihydroxy-4-dihydro-thiadiazine-1-dioxide and its preparation : en
  • CH262156A - Device for holding together plant shoots, in particular vine shoots. : de en
  • AU2698849A - Ion controller : en
  • US2473238A - Electric valve control circuits : en
  • ES18640Y - Pocket sclerometer. : en es
  • ES187244A1 - IMPROVEMENTS IN AUXILIARY APPARATUS OF THE AUTOMOBILE VEHICLES : en es
  • ES188011A1 - A NEW FLOOR FORGING SYSTEM : en es
  • CH262084A - A method of isolating an electric device and an isolated electric device obtained by this method. : en fr
  • CA457390A - Evaporator unit : en fr
  • CA457395A - End stop for slide fasteners : en fr
  • GB624721A - Feeler mechanism for automatic gramophones : en
  • BE489222A - : en fr
  • CH261996A - Toys which are equipped with at least one movable figure and can be used as an eye-catcher for shop windows and the like. : de en
  • CA457321A - Micrometer lap and guide : en fr
  • AU148596B2 - Ion controller : en
  • CA457426A - Ship hold : en fr
  • CH262115A - Liquid lip make-up. : de en
  • CH262099A - Method and device for controlling the instant of ignition for converters. : de en
  • US2473271A - Hydraulic pump or motor : en
  • US2472902A - Cam making machine : en
  • AU145216B2 - Improvements in or relating to electric insulators : en
  • CA457385A - Method of treating wool : en fr
  • AU145872B2 - Arrangement forthe automatic loading and unloading of transportation vehicles : en
  • US2473405A - Delay electric initiator : en
  • US2473416A - Resuscitator : en
  • CH262116A - Process for the preparation of a new condensation product of 2-sulfanilamido-pyrimidine. : de en
  • USD154138S - Design for a lace tablecloth : en
  • ES186939A1 - IMPROVEMENTS IN THE OVENS OF CUBA FOR THE MANUFACTURE OF GLASS : en es
  • ES18842Y - Screw or bolt fitted with a built-in nut. : en es
  • FR946825A - Stylomine refinements : en fr
  • CA457394A - Sealer for ink containers : en fr
  • GB624575A - Mixing device and method : en
  • GB624629A - Improvements in or relating to the production of multi-ply paper twine : en
  • AU142826B2 - Improvements in or relating to gear type pumps : en
  • CH262150A - Braking method and installation for vehicles. : en fr
  • US2473264A - Support for electric conductors : en
  • US2472898A - Loose-leaf binder : en
  • GB624852A - Improvements in or relating to releasing devices : en
  • CH261936A - Folding cabinet. : en fr
  • CH262114A - Process for the preparation of a new hydrazine compound. : de en
  • FR946718A - Mussel enhancements : en fr
  • FR946861A - Method and devices for enlarging photographic negatives : en fr
  • ES18665Y - Perfected boxing glove. : en es
  • ES188046A3 - NEW CONTROL SYSTEM FOR THE HYDRAULIC OPERATION OF CYLINDERS MOVED BY PRESSURE LIQUIDS : en es
  • ES18901Y - Device for loading and unloading of various objects. : en es
  • GB624905A - Improvements in or relating to thermally actuated electric switches : en
  • CA457365A - Monomeric fluorine compounds containing a four-carbon-atom ring : en fr
  • CA457417A - Concrete construction simulating stone : en fr
  • US2473086A - Holder : en
  • US2473306A - Tandem spindle lathe : en
  • GB624802A - Improvements in treating surfaces of work-pieces : en
  • AU142442B2 - Lid stay : en
  • AU2770849A - Improvements in and relating to current distribution in mercury cathode electrolytic cells : en
  • CH262052A - Method for the captive arrangement of fastening screws on protective hoods for electrical apparatus. : de en
  • BE489083A - : en fr
  • FR946775A - Urban means of transport for people : en fr
  • DK69337C - Electrical appliance with a setting scale mounted on top of a box, especially radio receiver. : da en
  • ES19112Y - Device for clamping sheets in loose-leaf binders. : en es
  • FR946766A - Improvements to the burners of industrial oil-fired heaters : en fr
  • US2473237A - Electric timer : en
  • CH262083A - DC supply arrangement. : de en
  • US2473437A - Mechanical perforator : en
  • AU148875B2 - Copolymeric coating compositions and base materials coated therewith : en
  • BE489116A - : fr
  • CA457410A - Lift truck : en fr
  • DK69346C - Carbon socket with mounting bracket with thread for a fastening screw. : da en
  • DK69368C - Process for the extraction of protein substance from dilute solutions, in particular from technical waste water. : da en
  • US2472935A - Wallpaper pasting and cutting device : en
  • USD154159S - Design for a tile floor and wall covering : en
  • CA457403A - Television transmitting tube : en fr
  • GB624640A - Improvements relating to the vacuum-sealing of bottles, jars and other like containers : en
  • AU2769349A - Improvement in logarithmic-mode separately quenched superregenerafive amplifier : en
  • CH262167A - Process for the preparation of a brown polyazo dye. : de en
  • ES18776Y - Apparatus for launching automobiles and all kinds of vehicles, as well as toy airplanes and gliders. : en es
  • FR946888A - Process for the production of 3, 4-dichloro-1-tetrachlorethylbenzene and its use to fight against harmful organisms : en fr
  • FR946796A - Semiconductor composition and tape made with this material : en fr
  • US2473373A - Bolt head and extractor for firearms : en
  • ES18733Y - Toy. : en es
  • ES19389U - Contonera to reinforce and rigidly protect the toilet peels (Machine-translation by Google Translate, not legally binding) : en es
  • GB624864A - Improvements in or relating to mechanism for operating the clutch drum and pattern drum or drums of a knitting machine : en
  • GB624908A - Improvements in stop cylinder flat bed printing machines : en
  • FR946833A - Starter launcher : en fr
  • GB624567A - Improvements in or relating to resistance measuring apparatus : en
  • GB624623A - Improvements in ejector devices : en
  • GR12069B - ΚΡΟΥΝΟΣ. : el en
  • CH262066A - Gas turbine unit. : de en
  • AU2704449A - Liquid or gaseous fuel burners : en
  • GR12067B - METHOD AND RELATIVE DEVICE FOR THE SIMULTANEOUS production, S SKYRODIMA OR OTHER capable shed WITHIN types of materials, pipes and containers APANTONEPI PLACE AND CONTINUOUSLY ENSOMATOMENAS FROM PLANTS BY IELKTRIKON CURRENT AND FLUIDS. : el en
  • US2473078A - Valve : en
  • US2473292A - Spectacle case : en
  • CH262126A - Arrangement for the transmission of phase-modulated or frequency-modulated vibrations. : de en
  • USD154109S - Design for a fishing lube : en
  • USD154156S - Design fob a tile floor and wall covering : en
  • US2473318A - Phase or frequency modulation : en
  • AU2190245A - Improvements in or relating to a receiving arrangement for use with a combined radio glide a path and approach indicating system : en
  • AU148443B2 - Improvements in straight bar knitting machines : en
  • US2473440A - Reversible oar : en
  • US2472783A - Handle control mechanism : en
  • US2473456A - Passivation of ferrous metals : en
  • ES19984U - Electrothermal curling irons. (Machine-translation by Google Translate, not legally binding) : en es
  • USD154160S - Design fob a tile floor and wall covering : en
  • US2473025A - Baseball glove : en
  • US2473400A - Molding clip : en
  • US2473339A - Stable, sterile aqueous solutions of streptomycin and process of making same : en
  • GB624594A - Improvements in key-operated means for locking latch bolts of locks for attache cases, suit cases, trunks and the like : en
  • CH262011A - Device for testing grain flour and crushed grain for their baking ability. : de en
  • CH262048A - Badge. : de en
  • US2473184A - Process for preparation of dehydrated food products : en
  • DK69357C - Process and apparatus for the continuous polymerization of lactams with more than 6 ring members. : da en
  • CA457311A - Pressure cooker : en fr
  • US2472888A - Apparatus for training pilots and other aircraft personnel : en
  • ES20004U - Devices for cleaning pans, in which the means used for cleaning are fixed in a handle. (Machine-translation by Google Translate, not legally binding) : en es
  • US2472839A - Steering nozzle for jet-propelled aircraft : en
  • ES187937A2 - AN ELECTRIC OVEN FOR THE FUSION OF GLASS, CRYSTAL OR SIMILAR PRODUCTS : en es
  • ES188019A1 - AN ALTERNATIVE HYDRAULIC PRESS : en es
  • US2473119A - Coupling for flareless tubes : en
  • GB624810A - Improvements in or relating to internal combustion engines operating on the four-stroke cycle with compression ignition : en
  • GB624885A - Improvements in and relating to the manufacture of calcium permanganate : en
  • US2473005A - Method and catalysts for polymerizing vinyl and vinylidene compounds : en
  • ES185903A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • ES18715Y - Switch. : en es
  • US2473010A - Quick wheel change railway car truck : en
  • US2473133A - Machine tool : en
  • US2473484A - Method for the preparation of aminophthalidylalkanes : en
  • GB624900A - Improvements in or relating to cartridge belts and belt-engaging devices for machineguns : en
  • ES18825Y - Ascent and descent mechanism for plows with two to five shares. : en es
  • CH262121A - Program selector with station display device for wire broadcast apparatus. : de en
  • US2473179A - Bridge-type hardness tester : en
  • USD154133S - Design for a spectacle frame : en
  • US2472974A - Corset attachment : en
  • US2473482A - Casting machine for lining bearings : en
  • CA457366A - Polyfluoro four-carbon atom ring carboxylic acids and derivatives : en fr
  • CH262101A - Ignition electrode. : en fr
  • ES187542A1 - A MECHANISM TO MEASURE LIQUIDS AND MAKE IRRELLABLE THE CONTAINERS THAT CONTAIN : en es
  • FR946939A - Improvements to cinematographic devices : en fr
  • US2473255A - Process of preparing modified protein : en
  • US2473395A - Hops treatment : en
  • ES187990A3 - APPARATUS FOR FILTERING SPINNING SOLUTIONS IN THE MANUFACTURE OF RAYON AND OTHER ARTIFICIAL FIBERS : en es
  • CH261897A - Method for combating fungal plant diseases, in particular downy mildew. : de en
  • CH262143A - Device for shifting transmission gears. : de en
  • US2472849A - Apparatus for electrically welding container seams : en
  • US2472858A - Lamp-rotating clamp for attachment to tubular lamps : en
  • US2472982A - Form of corset : en
  • ES18862Y - Control for radio receivers equipped with two gears that can be changed at will. : en es
  • GB624746A - Improvements relating to fastening devices : en
  • US2473479A - Lamp for endoscopic instruments : en
  • US2473396A - Reinforced plastic tooth : en
  • CH262089A - Switching device for switching sections of a unidirectional electrical power source on or off. : en fr
  • FR946737A - Cylindrical friction clutch for controlling machine tools or others : en fr
  • DK69347C - Device for fireplaces for hot water and steam boilers. : da en
  • FR946798A - Improvement in flat knitting machines for tubular articles : en fr
  • GB624720A - Treatment of textile materials and apparatus therefor : en
  • GB624625A - Improvements in dog collars : en
  • US2473467A - Attachment for drawers in ovens of stoves or ranges : en
  • ES20058U - Plate and box system for general moldings rotating on the shaft (Machine-translation by Google Translate, not legally binding) : en es
  • GB624687A - Arrangement for switching on and initiating processes by means of telephone calls : en
  • GB624856A - Improvements in or relating to apparatus for feeding liquid fuel to internal-combustion engines : en
  • AU150350B2 - Improvements in or relating to pulse modulation systems and transmitters and receivers for pulse-modulation : en
  • GB624768A - Improvements in or relating to the construction of gas turbine power plant : en
  • ES18619Y - Perfect ceramic vault. : en es
  • ES186857A1 - A PROCEDURE FOR THE DEVELOPMENT OF PACKAGES : en es
  • ES187203A1 - AN AUTOMATIC FIRE PROTECTION APPARATUS : en es
  • GB624749A - Sleeve press : en
  • GB624773A - Improvements relating to a tablet making machine : en
  • ES187447A3 - A PROCEDURE FOR MANUFACTURING AGGLOMERATED BODIES INSULATING THE HEAT OF SOUND AND VIBRATIONS : en es
  • ES20018U - Container for stockings. (Machine-translation by Google Translate, not legally binding) : en es
  • GB624794A - Improvements in or relating to a burner : en
  • CH262030A - Drilling spindle with exchangeable knife holder. : de en
  • ES19920U - Cap provided with perforations and combined with lid for cardboard tubular containers intended to contain powdered or other materials. (Machine-translation by Google Translate, not legally binding) : en es
  • CA457393A - Crank case ventilator valve : en fr
  • US2473390A - Butadiene emulsion polymerization process, including mercaptan and cyanide modifiers : en
  • ES18778Y - Towel rail : en es
  • ES188000A1 - A PROCEDURE FOR MANUFACTURING AN ADHESIVE PASTE FOR STICKING MISCELLANEOUS MATERIALS : en es
  • ES187929A3 - PRESSURE REGULATOR FOR HYDRAULIC OPERATION INSTALLATIONS WHICH AT THE SAME TIME CAN ACT AS A SAFETY VALVE : en es
  • US2473174A - Double exposure photographing and developing apparatus : en
  • US2473290A - Apparatus for plating journals of crankshafts : en
  • ES19997U - File sheet of photographic films, applicable to photograph albums (Machine-translation by Google Translate, not legally binding) : en es
  • FR946872A - Hand or mechanical warping machine with quantity meter donor drum : en fr
  • GB624910A - Improvement relating to safety razors : en
  • US2472941A - Weeder : en
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