• ES134548A1 - An apparatus for the printing and reproduction of phonograms in endless bands. : en es
  • DE601303C - Device for burning cement : de en
  • FR768865A - Centrifugal pump with circulating auxiliary liquid or water ring : en fr
  • FR768967A - TV device in natural colors : en fr
  • GB414782A - Improvements in or relating to holders for cop or like yarn packages for use on creels, winding machines or other textile apparatus : en
  • ES2451Y - One-person shaving brush. : en es
  • FR768979A - Improvements in the manufacture of plastic compositions : en fr
  • FR768799A - Fuse with horn : en fr
  • ES2457Y - Container for liquids. : en es
  • CA343982A - Ammonia distillation apparatus : en fr
  • US1969716A - Hat stand and rack : en
  • CA343981A - Windscreen wiper : en fr
  • ES134656A1 - Device for copying film. : en es
  • FI16007A - Fertilization and anchorage for drift from anchorage, which means that the electrical energy of the genome and the aggregate is improved and that it does not have the effect of electrostatic attraction. : en fi
  • US1969713A - Electrical test set : en
  • US1970042A - Cuff for use with sphygmomanometers : en
  • ES134622A3 - Procedure for making a milk-based mixture or emulsion with various nutritional and aromatic substances and sugar. : en es
  • GB414993A - Improvements in the driving gears of centrifugal separators : en
  • US1969842A - Face cover for playing rackets : en
  • US1969896A - Garment hanger : en
  • DE601301C - Rocking horse, chair or the like with a pair of wheels that are only movable forward and arranged at the apex of the runners : de en
  • FR768888A - Improvements to the attachment of strips, borders, moldings and other trim : en fr
  • GB414799A - An improved process for the manufacture of tanning extracts soluble when cold : en
  • DE598154C - Process for the production of nitrogen-containing anthraquinone derivatives : de en
  • FR768859A - New kill pistol with automatic cocking, start and ejection : en fr
  • US1969777A - Method of making closures : en
  • US1970462A - Winding machine : en
  • CA343995A - Telephone exchange system : en fr
  • DE601455C - Process for generating luminous gas : de en
  • ES134667A1 - A procedure for the purification of gypsum by means of water, with separation of the pure clays. : en es
  • FR769024A - Improvements in processes and apparatus for pressure casting of various objects : en fr
  • GB414791A - Improvements in or relating to electric tumbler switches : en
  • ES134650A1 - A process for the manufacture of cream-based ice cream. : en es
  • ES134911A1 - A process for manufacturing highly refractory coatings for ovens. : en es
  • FR768862A - Treatment process for rare earth combinations : en fr
  • FR768867A - : fr
  • FR768895A - Process for producing liquid-impermeable windings for electric motors : en fr
  • ES134519A1 - A system of placement in the caps called "crown", coins or other gifts that can not be removed without uncovering the container to which the cap is applied. : en es
  • DK49139C - Stand for Urine Bottles or similar. : da en
  • ES134844A1 - A procedure for the automatic regulation and interruption of the current in the circuits of electrical lighting and motive power. : en es
  • ES134917A1 - An installation to mechanically fill bags or bags with powdery material. : en es
  • FR769059A - Processes for heating corrosive metal baths and installations for carrying out these processes : en fr
  • GB414952A - Manufacture of halogenated phenylthioglycollic acids : en
  • DE601291C - Straw tube sewing machine : de en
  • DE601486C - Padlock with two shells made by pressing and punching : de en
  • DE601546C - Detergents for metals : de en
  • FR768796A - Elastic suspension for wheels mounted on oscillating half-axles, in particular for motor vehicles : en fr
  • DE601488C - Device for drilling out an extension for site posts with a widened foot : de en
  • US1969744A - Solution of infusible amine-aldehyde condensation products and process of making same : en
  • US1969797A - Oil sealing device : en
  • US1969839A - Apparatus for absorbing solar energy : en
  • ES134850A1 - An improved device for cooling ship holds. : en es
  • DE601555C - Method and device for creasing or rotary bending of cardboard : de en
  • FR768778A - Chromiferous Azo Dyes Tinting Pink Shades : en fr
  • FR768883A - Rack or vertical frame dryer : en fr
  • ES2377Y - Ball joint hose for greasing. : en es
  • ES2802U - League bra. (Machine-translation by Google Translate, not legally binding) : en es
  • FR768794A - Improvements to the construction of air coolers : en fr
  • US1970074A - Float valve : en
  • US1970365A - Apparatus for producing chenille thread : en
  • USRE19269E - costigan : en
  • CH171071A - Toy. : de en
  • FI16025A - Motor driver and its mode of operation : en fi
  • ES134634A1 - PROCEDURE FOR THE MANUFACTURE OF BINDERS BY ViA HuMEDA : en es
  • ES2507Y - Electric pencil for pyrography. : en es
  • GB414912A - Improvements in or relating to thermostatic control arrangements : en
  • GB414995A - Improvements in computing apparatus for transforming coordinates : en
  • ES134972A3 - A method of manufacturing metal sash windows with sheet metal, strip or bent plate. : en es
  • US1969948A - Car coupler : en
  • US1970493A - Machine for removing wool from dead skins : en
  • CH171134A - Finned tube heat exchange device. : de en
  • CH171236A - Process for the manufacture of dentures. : de en
  • FR768941A - Improvements to the successive electric control of a series of components : en fr
  • ES2804U - Tap special application in public sources. (Machine-translation by Google Translate, not legally binding) : en es
  • GB414785A - Improvements in and relating to electrical control systems for controlling the thickness of strip material : en
  • GB414797A - Improvements in wire tying machines : en
  • US1970248A - Production of valuable hydrocarbons from varieties of coal, tars, mineral oils, and the like : en
  • CA343896A - Liquid filtering and sterilizing apparatus : en fr
  • CA343979A - Piston ring : en fr
  • US1970305A - Spark indicator and controller : en
  • FR769092A - Inflatable air cushion : en fr
  • GB415052A - The manufacture of carbohydrate derivatives : en
  • CA343983A - Cracked petroleum residue processing : en fr
  • CH171170A - Foot bandage. : de en
  • ES134476A1 - A system pump-pump perfected for the transfer and supply of dangerous liquids. : en es
  • ES2809U - Hat for field work (Machine-translation by Google Translate, not legally binding) : en es
  • FR768787A - Guillotine window : en fr
  • FR769063A - Transportable monobloc metal silo : en fr
  • GB415010A - Improvements in and relating to poppet valves for internal combustion engines : en
  • FR768982A - : fr
  • DE601290C - Roller for roller mills : de en
  • DE601419C - Pen with bevelled writing plate for safety fountain pen : de en
  • ES134975A1 - Current distributor for permanent wave devices. : en es
  • DK49110C - Procedure for the manufacture of hard products or articles, e.g. Plates for Building and Assembly purposes. : da en
  • FR768766A - Friction epicyclic transmission mechanism : en fr
  • FR768959A - Process for depositing on a support, in particular on an incandescent filament, a layer which increases the electronic emission or the light output : en fr
  • ES134443A3 - IMPROVEMENTS INTRODUCED IN THE MANUFACTURE OF FORNITURES FOR FURNITURE AND OTHERS BASED ON ABRASIT OR ALBERIT ALONE OR COMBINED WITH ALL KINDS OF METALS : en es
  • DE601332C - Protection device for pen holder : de en
  • US1969988A - Folding rule : en
  • ES134788A1 - Improvements in the construction of boats. : en es
  • US1969766A - Heat exchange device : en
  • US1970004A - Internal combustion engine : en
  • US1970438A - Welded spoke wheel : en
  • GB414869A - Improvements in bed tables, book rests and the like : en
  • ES134496A1 - A perfection in the manufacture of drills. : en es
  • FR768896A - Improvements to electric accumulator batteries : en fr
  • DE601045C - Pendulum timer : de en
  • ES134800A2 - IMPROVEMENTS IN ELECTRIC DISCHARGE TUBES : en es
  • GB414786A - Improvements in tobacco ash receptacles : en
  • GB414955A - Improvements in and relating to the cooling of the fuel injection valves of internal combustion engines : en
  • CA343917A - Cap feeding machine : en fr
  • ES2515Y - Fireplaces with auxiliary draft device and variable location. : en es
  • CH171093A - Veneer press. : de en
  • CH171195A - Advertising device with color schemes. : en fr
  • GB414977A - Improvements in devices for excluding dust from corners and angles of staircases, rooms and like places, and in articles of furniture and the like : en
  • CH171022A - Shoeing on wooden shoes. : de en
  • GB414861A - Game device : en
  • US1970105A - Condenser and method of making the same : en
  • US1969994A - Unstacker : en
  • US1970116A - Safety razor blade sharpener : en
  • FI15998A - Bykknipa med vid handtaget ledat fästa backar : en fi
  • GB414911A - Process for the production of transparent and impermeable coatings on sheets, bands, films or the like of regenerated cellulose : en
  • GB415037A - Improvements in or relating to the electrodeposition of metal : en
  • US1969915A - Lubricating device : en
  • CA343984A - Library conveyer system : en fr
  • US1970161A - Apparatus for music instruction : en
  • US1970439A - Antifrictional bearing : en
  • GB415080A - Improvements relating to gas fire radiants : en
  • CH171221A - Continuous compressed air brake for railway trains. : en it
  • US1970441A - Package wire tying machine : en
  • US1970442A - Condenser controlled follow-up system : en
  • US1969722A - Cable system for the underground transmission of high tension electrical energy : en
  • US1970171A - Molding press : en
  • AU1483433A - Improvements in or relating to electrical signalling systems : en
  • ES134808A1 - A procedure for manufacturing handles for graphic arts. : en es
  • GB414943A - Improvements in and relating to extrusion presses for metal tubes : en
  • AU1403433A - Keyless combination padlock : en
  • CH171228A - Sliding window. : de en
  • ES2505Y - Cover for powder boxes. : en es
  • CA343886A - Barn : en fr
  • ES134660A1 - An explosion engine and compressor. : en es
  • ES134799A1 - A perfect closing system for all kinds of shotguns. : en es
  • US1970197A - Colored asbestos cement shingle : en
  • USD93030S - Design fob a cravat holder : en
  • USD93042S - Design fob a shoe : en
  • ES134604A1 - Improvements in the construction of portable firearms. : en es
  • FR769022A - Coat hanger : en fr
  • CA343975A - Outlet box : en fr
  • US1969743A - Preparation of reptile skins for use as leather : en
  • US1969935A - Vehicle body ventilator and method : en
  • US1970323A - Steam engine valve : en
  • US1970466A - Game : en
  • ES134893A3 - Procedure for fixing all kinds of solidifiable enamel colors and paints on glass, crystal, earthenware and porcelain. : en es
  • FR768822A - Silk cocoon unwinding process : en fr
  • DE601559C - Cleaning brush with two movable brush sets, especially for radiators : de en
  • FR768797A - Method and device for preventing contamination of a liquid to be aerated by impurities in the air : en fr
  • FR769054A - Making and casting molds for easily oxidizable metal parts : en fr
  • US1970245A - Process of and machine for making concrete blocks and article made thereby : en
  • US1970430A - Manufacture of nuts from balls : en
  • ES2819U - Stove to burn liquid fuels, essentially diesel. (Machine-translation by Google Translate, not legally binding) : en es
  • ES134859A1 - Multiple filter paste for wines, beers, liqueurs and other liquids. : en es
  • DE601418C - Process for achieving pure whites and pure yellows in reflective raster images : de en
  • ES134815A1 - An amplification connection with tunable circuits. : en es
  • ES134966A1 - A closing procedure for drawers of all types of furniture. : en es
  • ES2380Y - Electric heater for liquids. : en es
  • US1970252A - Vehicle signal : en
  • USD93000S - Design for a photograph stand : en
  • US1970025A - Charge forming device : en
  • DE601379C - Mechanics for clarinets : de en
  • ES134898A1 - An apparatus for projection copying of lenticular film films. : en es
  • CH171103A - Centrifuge with neck bearing and this protective labyrinth seal. : de en
  • GB415014A - Improvements in and relating to rectifier units and rectifier valves for such units : en
  • ES134458A1 - Improvements in the manufacturing process of commercial ammonia solutions. : en es
  • ES134743A1 - An improvement in the manufacture of billiard blocks. : en es
  • ES2437Y - Car-seat for children. : en es
  • FR769005A - Safety washer : en fr
  • GB414777A - Improvements in synchronous alternating current motors : en
  • GB414999A - Hand controlled power rammer : en
  • US1969836A - Negative impedance : en
  • US1970241A - Lubricated plug valve : en
  • CH171082A - Hermetic watch. : en fr
  • US1969818A - Treatment of hydrocarbon oils : en
  • US1970010A - Fuel vaporizer and carburetor : en
  • CH171065A - Elastic ball. : en fr
  • DE601457C - Process for the production of rubber compounds : de en
  • ES134619A1 - A procedure to create a breathable atmosphere, which allows animal life, regenerating the stale air. : en es
  • ES2165Y - Apparatus for cleaning windows. : en es
  • GB414891A - Improvements relating to the coupling together of vehicles : en
  • CA343980A - Piston ring expander : en fr
  • DE601387C - Grater washing machine with removable mover arms : de en
  • FR768908A - Convertible bedside table : en fr
  • DE601421C - Process for removing oily components from condensation water : de en
  • CH171076A - Device for the in-flight measurement of the speed and drift of an aerial vehicle. : en fr
  • CH171090A - Device for producing helically wound metal strips, in particular those made of hardened spring steel. : de en
  • CH170984A - Support runners for curtains. : de en
  • CH171187A - Surge transmitters for arranging the establishment of telephone connections. : de en
  • US1970128A - Ash tray : en
  • FR769041A - Accounting cash : en fr
  • GB415003A - Improved reflecting system applicable to signals, signs and the like : en
  • DE601431C - Device for switching off electrical power with arc extinguishing : de en
  • GB414845A - Improvements connected with the roofs of motor cars and motor coaches : en
  • NL33359C - : en
  • US1969846A - Highway guard : en
  • US1970187A - Method of chain-looping skeins of rubber thread and warps of rubber thread : en
  • USD93005S - Design for a pressing iron : en
  • DE601489C - Process for the preparation of waste water containing vegetable tannins for biological cleaning : de en
  • CH171132A - Fridge. : de en
  • DE601367C - Adjustment device for hydraulic braking devices of motor vehicles : de en
  • ES134949A1 - Improvements in vehicles for the transport of goods and materials. [GOES TO UTILITY MODEL No. 3039]. : en es
  • FR768885A - Improvements in rubber vulcanization : en fr
  • AU1419233A - Improvements in apparatus or plant for filtering liquids, or separating solids from liquids : en
  • DE601347C - Tank car with a tank that is firmly mounted on the underframe and a protective casing in the shape of a wagon box : de en
  • DE601386C - Spreaders for running webs of fabric : de en
  • ES134896A3 - A refinement in cylinder mill feeding. : en es
  • GB414796A - Improvements in the lubrication of cylinders : en
  • DE601557C - Method and device for the production of rings, spring coils and similar workpieces of round or square shape : de en
  • ES134814A1 - Improvements in circuit arrangements comprising electric discharge tubes filled with gas. : en es
  • DE601345C - Method and device for cleaning vessels, in particular for peeling off vessels : de en
  • DK49119C - Fastening device for turbine blades. : da en
  • GB414895A - Improvements relating to locks : en
  • CA343926A - Photographic sound recording apparatus : en fr
  • DE601471C - Oil switch : de en
  • DE601501C - Device for separating foreign bodies from gases or vapors : de en
  • GB415025A - Improvements in and relating to the bonding of metals with rubber : en
  • US1970208A - Shock absorber for motor cars and other vehicles : en
  • US1970212A - Stereoscopic motion picture apparatus : en
  • CH171017A - Professional apron. : de en
  • CH170977A - Method for making necks on glass vessels from glass tubes and device for carrying out this method. : de en
  • CH171144A - Telecommunication and remote control equipment. : de en
  • GB414802A - Improvements in or connected with tracks such as greyhound racing tracks : en
  • US1970196A - Hinge construction : en
  • US1970382A - Internal combustion engine : en
  • US1970153A - Control device for charging machines : en
  • CH170994A - Bottle cap with opening organ. : de en
  • CH171216A - Device for the compulsory, economical control of the power of a machine set consisting of an internal combustion engine and an unstable generator for vehicles with electrical power transmission. : de en
  • US1970392A - Electric circuit breaker : en
  • ES134886A1 - Improvements in submarine cable systems. : en es
  • GB414926A - Improvements relating to the manufacture of footwear : en
  • DE601319C - Process for the production of emulsifier-free dispersions : de en
  • GB414903A - Improved gyroscopic compass : en
  • DE601561C - Device for fastening turbine wheels on the shaft with tongue and groove : de en
  • FR768912A - Process for the economical treatment of sulfur-containing combinations of copper, containing arsenic and antimony, by a smelting operation : en fr
  • GB414890A - Change speed and reversing gear for the longitudinal and transverse movsment of toolcarriers, of machines for grinding and polishing wooden articles : en
  • US1969721A - Cable system : en
  • US1970228A - Core covering machine : en
  • AU1664334A - Improvements in or relating tothe cooling of liquid milk products, andother liquids after heating : en
  • ES2445Y - New reinforcement to make ties and bows wrinkle-free. : en es
  • FI16049A - Sammanvikbar insats flasklådor : en fi
  • FR769105A - : fr
  • CH171078A - Bureau machine. : de en
  • US1969917A - High tension sleeve insulator : en
  • DE601575C - Storage of the pressure plate of clutches, especially for motor vehicles : de en
  • FR768972A - Hair clip : en fr
  • DE601549C - Roasting or cooking utensils made of sheet metal : de en
  • ES134133A1 - Procedure for preparing a cork composition. : en es
  • FR769091A - Airtight container for internal preparation of solutions or emulsions just before use : en fr
  • US1970071A - Nonremovable display device : en
  • US1970455A - Electric selector : en
  • US1969845A - Safety roadway construction and rotary guard rail apparatus therefor : en
  • CA343898A - Shoe heel : en fr
  • FR768790A - Home Improvements : en fr
  • GB414950A - An improved wheeled gun carriage : en
  • CH171168A - Device for determining the reactivity of a human being with regard to anticipated stimulants and for the methodical exercise of these reactions with regard to these stimulants. : en fr
  • ES134639A1 - Improvements in the manufacture of fuels. : en es
  • US1970145A - Apparatus for burning liquid fuel : en
  • US1970404A - Portable building : en
  • DE601483C - Speed controller for power machines that work in parallel, in particular for driving electrical synchronous generators : de en
  • US1970164A - Bituminous road surfacing material : en
  • US1970167A - Lubricating device for locomotive driver journals : en
  • CA343918A - Screw capping machine : en fr
  • US1970409A - Ratchet tool : en
  • US1970487A - Bread band : en
  • US1969993A - Clutch : en
  • DE601577C - Chassis frame for motor vehicles : de en
  • ES134115A1 - Improvements in the methods of manufacturing parachute or similar equipment. : en es
  • GB414894A - Improvements in means for supplying air to incineration furnaces with zone grates : en
  • DE601337C - Low frequency transmitter : de en
  • DE601490C - Double fabric with terry top fabric and smooth bottom fabric : de en
  • ES134708A1 - An apparatus intended for the rapid preparation of infusions. : en es
  • ES134863A1 - Improvements in the canillera machines. : en es
  • FR768847A - Method and installation of a rotary kiln for the manufacture of cement : en fr
  • FR768874A - Light wave transmission device : en fr
  • US1970158A - Combined cigarette lighter and cigarette package holder : en
  • US1969900A - Towel : en
  • US1970138A - Nozzle for oil burners : en
  • US1970363A - Method of producing orthodihydroxy benzenes : en
  • DE601519C - Slide seal for internal combustion engines : de en
  • DE601592C - Device for the production of objects from small cork : de en
  • ES134630A1 - Improvements in the automatic lighters. : en es
  • GB414936A - Improvements in and relating to fetters such as handcuffs : en
  • US1969793A - Concentrator apparatus : en
  • US1970264A - Warp-stop mechanism for textile apparatus and machinery : en
  • US1970478A - Garment hanger : en
  • DK49111C - Device for Preventing Automobile Wheel Slipping. : da en
  • ES134766A1 - Improvements introduced in the manufacture of incandescent lamps. : en es
  • CH171203A - Device allowing the automatic adjustment of a shock absorber mounted on a vehicle according to the load of this vehicle. : en fr
  • US1969957A - Shelving : en
  • US1970227A - Paper making : en
  • US1970057A - Temperature control and the like : en
  • CH171201A - Machine system for the preparation of macadam road construction material with loading device. : de en
  • US1969724A - Can head and method of hermetically sealing filled cans : en
  • DE601399C - Flat weft knitting machine : de en
  • US1969794A - Method for producing pens : en
  • US1969879A - Structural insert : en
  • USD93076S - Design for a bottle : en
  • GB414849A - Improvements in and relating to electric welding apparatus : en
  • GB414930A - Improvements in or relating to furnaces : en
  • GB415081A - Improvements in processes for the production of light sensitive layers by means of diazo compounds : en
  • US1969826A - - means for stringing tennis rackets with strings : en
  • FR768951A - Slip-free friction transmission : en fr
  • GB414985A - Improvements in and relating to the springing of wheels more particularly for motor vehicles : en
  • US1969720A - Electric power cable : en
  • FR768940A - Candy box toy : en fr
  • DE601327C - Selector gearboxes, especially for machine tools, preferably for vertical turning machines : de en
  • FR769077A - Improvements to reflector lamps : en fr
  • US1970091A - Storage battery connecter : en
  • US1970372A - Process for producing a fertilizer from raw phosphate : en
  • CA343952A - Grinding body manufacture : en fr
  • CA343986A - Copper fungicide : en fr
  • US1970333A - Intermittently operating electrical device : en
  • US1970051A - Grounded resistance unit : en
  • US1970238A - Knitting machine : en
  • CH170990A - Washbasin to be connected to a water pipe, especially for bedrooms. : de en
  • ES134690A3 - Improvements in gasoline dispensers and other similar liquids. : en es
  • ES134867A1 - Improvements in lighters or liquid fuel burners. : en es
  • CH171151A - Thermostat for electrically heated apparatus. : de en
  • ES134635A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF SAID PATENT : en es
  • ES134798A1 - IMPROVEMENTS INTRODUCED IN SEALED TAP : en es
  • ES134818A1 - A cap system for lamps, with the corresponding lampholder. : en es
  • FR769050A - Vacuum : en fr
  • US1970079A - Spectacles or eyeglasses : en
  • USD93039S - Design for a shoe : en
  • US1969800A - Dust mop : en
  • US1969953A - Glove drying device : en
  • FR768998A - Universal clasp : en fr
  • DE601548C - Process for the preparation of preparations containing sulfur in colloidal distribution : de en
  • US1969858A - Photographic roll-film : en
  • US1969808A - Rotary plugging tool : en
  • US1970397A - Slicing machine : en
  • US1970279A - Lubricating device : en
  • CA343890A - Cabinet ironing board : en fr
  • DK49126C - Glass making apparatus. : da en
  • ES133999A1 - A new system of hose sleeves for roving machines. : en es
  • FR769009A - Carburetor : en fr
  • GB414768A - Process for the manufacture of stable diazonium compounds : en
  • GB414902A - Improvements in apparatus for vending newspapers and the like : en
  • US1970068A - Amusement device : en
  • DE601342C - Process for the production of sheets of paper, cardboard and the like covered on both sides with metal foil like : de en
  • DE601572C - Process for making colored photographic materials : de en
  • ES134645A3 - Quick start-up procedure for steam boilers. : en es
  • FI16037A - Apparat för indirect uppvärmning resp. the quality of the cellulose cell or cellulose : en fi
  • GB414748A - Improvements in and relating to copper alloys and articles made therefrom : en
  • GB415050A - An improved railway-coach seat : en
  • ES2537Y - Broom with special grip of the fiber or palm. : en es
  • GB415065A - Improvements in or relating to lubricating oils : en
  • ES134899A1 - A special system device for loading solid, pasty or semi-liquid materials into a mobile storage bin. : en es
  • FI16027A - Räfsa : en fi
  • GB415019A - Stiffener for wearing apparel : en
  • GB414871A - Improvements relating to wringing machines : en
  • GB415083A - The manufacture of hydroxyalkyl-hydroxy derivatives of 2-phenyl-quinoline-4-carboxylic acid : en
  • GB414945A - Improvements in or relating to percussion fuzes for projectiles : en
  • FI15999A - Fertilizers and apparatus for the manufacture of rubber impregnated garments, Tyger : en fi
  • FR768781A - Process for the production of coiled electric capacitors, insulated with paper : en fr
  • GB414996A - Improvements in trolley-heads for tramcars and the like : en
  • FR768948A - Electro-acoustic translator devices : en fr
  • GB414814A - Improvements in the manufacture of moulded porous products from plastic materials : en
  • FR768902A - Curling tongs : en fr
  • GB415001A - Kitchen balance : en
  • GB415098A - Improvements in starters for internal combustion engines : en
  • US1970072A - Knitting machine : en
  • DE601416C - Reaming machine : de en
  • ES134029A1 - Improvements introduced in the mixer distributing machines used in milling. : en es
  • FR769053A - Insecticide product : en fr
  • US1970037A - Surfacing unit : en
  • USD93046S - Design for a space heater : en
  • US1969977A - Method of broaching and broach therefor : en
  • ES134782A1 - IMPROVEMENTS IN THE ACTIVE CARBON MANUFACTURING PROCEDURE : en es
  • US1969725A - Piston pin inserter and remover : en
  • US1970141A - Process for hardening iron, steel, and cast iron alloys by nitriding : en
  • US1970220A - Folding furniture leg : en
  • US1970377A - Centrifugal machine : en
  • US1970304A - Elevator and like apparatus : en
  • CH171141A - Suspension isolator. : de en
  • US1970163A - Art of treating seeds : en
  • US1970424A - High frequency signal system : en
  • CH171220A - Vehicle that can travel on railways and road networks. : en fr
  • US1970422A - Butt joint construction : en
  • US1969840A - Method of welding thin metal structures : en
  • US1969881A - Pump : en
  • FR768751A - Equipment suitable for performing x-rays with a short exposure time : en fr
  • CH171028A - Process for the production of completely water-soluble, solid products that can be used as coffee additives or coffee substitutes. : de en
  • DE598271C - Operating and examination chair that can be tilted from a sitting position to a lying position : de en
  • GB415118A - Improvements in or relating to television and the like systems : en
  • CA343965A - Rubber thread : en fr
  • CA343977A - Oscillator : en fr
  • CH171109A - Hose connector lock. : de en
  • CH171180A - Device for cleaning hoses. : de en
  • US1969747A - Insertion of fastenings : en
  • US1969878A - Cooking utensil : en
  • GB414818A - Improvements in and relating to safety valves : en
  • CA343883A - Display sign : en fr
  • DE601453C - Compression refrigeration machine : de en
  • CA343964A - Rubber thread : en fr
  • CH171153A - Mercury vapor discharge vessel. : de en
  • AU1682034A - Improvements in or relating to regulating transformers for continuous voltage regulation : en
  • CH171077A - Multiplication machine. : de en
  • ES2528Y - Toy. : en es
  • FR768788A - Manufacturing process of non-combustible and refractory insulation for electric wires and cables for example, and resulting products : en fr
  • FR768821A - Friction drive system for rotating machines by direct coupling, chain or belt transmission : en fr
  • FR768886A - Method and apparatus for cooling glass : en fr
  • CH171160A - Candlestick with a candle barrel pretending to be a candle. : de en
  • GB415119A - Improvements in and relating to speed-regulating devices : en
  • US1970467A - Process for working up ferrovanadium containing products : en
  • CH170999A - Dishwasher. : de en
  • DK49112C - Sound-insulating Construction for Building Use and the like. : da en
  • FR768953A - Improvements to the crutches or skids of rotary cultivators used to keep tines or other implements at the desired depth in the soil : en fr
  • GB414880A - Electrical apparatus for anaesthetising dogs, cats and the like : en
  • USRE19272E - kurkchee : en
  • US1970358A - Translucent optical projection screen : en
  • CH171235A - Soldering device. : de en
  • US1969823A - Automatic film developing apparatus : en
  • US1970203A - Method of softening water and water-treating and storage apparatus : en
  • US1970318A - Silver alloy : en
  • CH171011A - Device on shirt and collar for detachable attachment of the latter to the shirt. : de en
  • CA343892A - Electric clock : en fr
  • CA343987A - Hydrocarbon oil conversion : en fr
  • US1970175A - Loom harness : en
  • US1970152A - Lace tip : en
  • USD92999S - Design for a shoe : en
  • US1970286A - Closure operating mechanism : en
  • CA343916A - Metal sheet rolling apparatus : en fr
  • US1970523A - Stoker : en
  • CH171177A - Disinfection and preservation methods. : de en
  • US1969985A - Radiator : en
  • US1970110A - Pocket construction : en
  • DE601424C - Device for crystallizing salts from solutions : de en
  • CH171185A - Phone device. : en fr
  • ES134673A1 - Improvements in the manufacture of glues, jellies, pastes and adhesives. : en es
  • ES2803U - Straight passage valve. (Machine-translation by Google Translate, not legally binding) : en es
  • CH171138A - Process for the production of parts with laminated cores for electrical machines. : de en
  • CH171012A - Protective device on hip holders. : de en
  • AU1407433A - Buckle : en
  • CH171110A - Sealing device with sealing ring. : de en
  • ES134944A3 - A procedure for waterproofing and priming tapes, braids and cords of all kinds. : en es
  • ES134963A1 - A ROTARY GRILL GAS GENERATOR WITH WATER-FILLED ASHTRAY PLATE : en es
  • GB414773A - Improvements in or relating to feeding-appliances for poultry : en
  • US1970017A - Gas cannon : en
  • US1970499A - Roasting apparatus : en
  • GB415377A - Process for separating di-acetylene from gases containing acetylene : en
  • US1970236A - Hydrodynamic power transmission device : en
  • USD93081S - Newspapers : en
  • US1970374A - alpha-methylol-alpha-ethyl-butyraldehyde and process of preparing same : en
  • CH171182A - Counter for liquid with prior payment. : en fr
  • CA343870A - Fruit case : en fr
  • CH171231A - Device for loading the creel on winding machines. : de en
  • CA343969A - Grain fumigation : en fr
  • ES134651A1 - IMPROVEMENTS INTRODUCED IN A SOLE RELAY AND CIRCUIT FOR THE SAME : en es
  • CH171053A - Film recording device intended to be attached to the rear wall of a photographic camera. : de en
  • CH171206A - Braking device for negative or positive pressure on vehicles. : de en
  • US1970135A - Light sensitive apparatus : en
  • CH170976A - Process for drawing glass tubes and glass rods. : de en
  • DE601325C - Straight guidance with high-speed scales : de en
  • ES134724A1 - A new system for manufacturing paper tubes, preferably conical. : en es
  • ES134954A3 - A cooling fan appliance. : en es
  • GB414760A - Improvements in or relating to the manufacture of can bodies : en
  • GB414910A - Screw-locking devices : en
  • US1969811A - Method of and means for building and reenforcing the walls of tunnels, shafts, and the like : en
  • US1969815A - Internal combustion engine : en
  • US1970239A - Shock absorber for motor vehicles and the like : en
  • USD93009S - Design fok a valve handle cap : en
  • US1970379A - Slicing machine : en
  • US1970151A - Skillet : en
  • US1970211A - Brake testing apparatus : en
  • USD93082S - Design fok a combined dispensing : en
  • ES134464A1 - IMPROVEMENTS IN THE COUPLINGS BY GRANULATED MATERIALS : en es
  • ES134962A1 - A new system to refresh rooms during the hot summer season. : en es
  • CA343915A - Film reel : en fr
  • CA343879A - Formic acid synthesis : en fr
  • US1970317A - Radiator : en
  • CH171155A - Device for controlling the grid of a rectifier. : de en
  • CH171214A - Lighting and signaling devices on vehicles, in particular on bicycles. : de en
  • DE601348C - Platform trolley with foldable stakes : de en
  • DE601371C - Inking unit for rotary letterpress machines : de en
  • DE601469C - Device socket for heaters : de en
  • FR768823A - Tanned gelatin for wood bonding : en fr
  • FR768850A - Incandescent electric lamp or electric discharge tube : en fr
  • CH171106A - Cigar cutter designed as a tabletop device. : de en
  • US1969894A - Method of producing soluble phosphates in solid state : en
  • US1969919A - Railway motor truck : en
  • US1969972A - Marker for shoe uppers : en
  • US1970399A - Locking device : en
  • ES134488A1 - Apparatus to prepare and serve soft drinks. : en es
  • US1970194A - Wax package : en
  • US1970180A - Paper making machine : en
  • AU1334033A - Improvements in laminated structures of wood : en
  • US1970035A - Drawing device : en
  • US1970216A - Screw slotting device : en
  • US1970336A - Dough molding machine : en
  • US1970114A - Aircraft propeller : en
  • US1969893A - Photographic developing apparatus : en
  • CH171215A - Freewheel hub with coaster brake. : de en
  • CH170972A - Vanity unit with hairdresser mixer. : de en
  • US1970342A - Process for the reconnaissance of the geological formations, and especially for the study of porous strata, encountered by a bore hole : en
  • US1970258A - Manufacture of pulp : en
  • CH171229A - Dish disinfection, washing and drying apparatus. : de en
  • US1970215A - Card, picture, and sign exhibiting : en
  • AU1531633A - Improvements in appliances for use during the cooking of chickens andother poultry : en
  • GB414819A - Improvements in or relating to means for mounting electrical apparatus : en
  • CH171039A - Process for the preparation of an azo dye. : de en
  • US1970423A - Signaling system : en
  • USD93013S - Design for a shoe : en
  • US1969981A - Single phase induction motor : en
  • US1970352A - Web feeding device : en
  • CH171059A - Lead for pens. : de en
  • US1970281A - Treatment of hydrocarbon oils : en
  • CH171051A - Steep view card index. : de en
  • CH171174A - Process for the preparation of a new cardiac active glucoside. : de en
  • DE601430C - Electric switch for alternating current : de en
  • DK49116C - Inserts for ties and the like and with such an insert provided with ties or the like. : da en
  • ES134779A1 - A procedure for wetting and drying in continuous work of freshly spun artificial silk yarns. : en es
  • CH170982A - Curtain hanging device. : de en
  • CA343949A - Centrifugal bowl : en fr
  • CH171068A - Foldable touring ski. : de en
  • DE601567C - Ball joint for piston : de en
  • CA343924A - Floor covering : en fr
  • DE601383C - Compressed air offset machine with two chambers arranged one above the other : de en
  • US1969827A - Scroll saw chuck : en
  • CA343869A - Cigar box wood treating process : en fr
  • ES2394Y - Device to prevent the removal of the caps of the radiators and gasoline tank of automobiles. : en es
  • FR768852A - Device for the automatic fixing and centering of a removable rim on a car wheel : en fr
  • FR768868A - New protective devices for electric shock devices : en fr
  • FR768763A - Quick-winding device for film cameras, in particular for small cameras : en fr
  • FR768779A - Improvements to directed antenna systems : en fr
  • US1969714A - Headlight lens : en
  • NL33431C - : en
  • DE601280C - Electromagnetic sound reproduction device, the armature of which is elastically fastened on both sides of its center of gravity to a resilient support, the natural oscillation of which is different from that of the armature : de en
  • DE601537C - Wind power machine with pendulum frame : de en
  • ES134915A1 - Device to take a lifeboat out of board. : en es
  • GB414806A - Lathe centre and centre drilling attachment : en
  • GB414846A - Improvements in cases or holders for shaving brushes : en
  • GB414978A - Improvements in balanced doors : en
  • GB415016A - Improvements in or relating to dust and like separators : en
  • US1970200A - Therapeutical bed-pad : en
  • CA343865A - Piston : en fr
  • CA343872A - Sweater stretcher : en fr
  • CH171047A - Method and device for binding books, etc. : de en
  • CH171157A - Ion valve. : de en
  • ES134816A1 - A connection system for electric discharge pipe filled with gas. : en es
  • GB414808A - Improvements in or relating to tension clamps for supporting electric conductors : en
  • US1969929A - Fluid pressure controlled circuit maker : en
  • US1970509A - Belt : en
  • CH171036A - Process for the preparation of 2-nitrodiphenyl. : de en
  • DE601392C - Device for dry extinguishing of coke : de en
  • DE601445C - Road vehicle for the transport of railway wagons : de en
  • DE601504C - Process for the preparation of polymerization products from unsaturated polymerizable non-benzene-type acetylene polymers : de en
  • FR768906A - Electric stove : en fr
  • CA344003A - Rubber sole shoe : en fr
  • US1970295A - Apparatus for treating well fluids : en
  • US1970094A - Means for and method of controlling the temperature and condition of molten glass in forehearths : en
  • US1970491A - Printing press : en
  • US1970080A - Automobile signal : en
  • CA343885A - Pipe connector : en fr
  • CH171074A - Automatic firearm with weight lock for firing cartridges of various calibers. : de en
  • CH171191A - Electric position indicator. : de en
  • CH171056A - Lens shutter. : de en
  • DE601363C - Three-point mounting for the drive motor of motor vehicles : de en
  • DK49132C - Washing machine. : da en
  • DK49133C - Row cleaner insert. : da en
  • FR768806A - Welded frame for polycylindrical piston machines : en fr
  • GB414800A - Improvements relating to poultry rearing appliances, poultry houses, poultry pens and the like : en
  • CH170951A - Watering device. : en fr
  • US1970106A - Refrigeration evaporator : en
  • US1970134A - Hydraulic press : en
  • CH171211A - Car wheel with removable, split rim. : de en
  • US1970348A - Fishing reel mount : en
  • US1970394A - Folder or inclosure : en
  • CH171041A - Sand trap for vertical water flow. : de en
  • ES134784A3 - A procedure for the manufacture of waterproof packing sacks. : en es
  • FI16034A - Method of keeping animal feedingstuffs fresh : en fi
  • US1970063A - Underreamer : en
  • AU1725134A - Improvements in or relating to pneumatic tires : en
  • US1970024A - Bearing sleeve : en
  • US1970108A - Planting implement : en
  • US1970398A - Packing cup for master cylinders : en
  • US1970451A - Container : en
  • US1970002A - Device for relieving manifold vacuum : en
  • CA343878A - Filament, thread and ribbon manufacture : en fr
  • CA343903A - Tubeless tire : en fr
  • DE601515C - Yarn tension regulator for knitting and crochet handicrafts : de en
  • CH170955A - Steel framed windows. : de en
  • US1969906A - Tensioning mechanism for winding apparatus : en
  • US1970483A - Decelerometer indicating instrument : en
  • ES134877A3 - A compensation procedure that cancels the effect of mutual inductions between the elements of a polyphase meter. : en es
  • DE601324C - Process for the preparation of conversion products of polymeric compounds : de en
  • DE601544C - Overcurrent switch for large capacities, especially high-speed switches : de en
  • FR768777A - Chromiferous Azo Dyes Tinting Pink Shades : en fr
  • FR768824A - Socket pipe joint : en fr
  • CH171171A - Storage table for medical treatment with short-wave electrical oscillations. : de en
  • US1970230A - Gripping device in machine for handling tobacco : en
  • GB414829A - Improvements in or relating to heat insulation : en
  • DE601429C - Toggle switch with sliding contact : de en
  • DE601526C - Process for the temporary, repeatedly detachable attachment of photographic films to rigid substrates : de en
  • US1970178A - Safety anchor : en
  • US1970269A - Electrical condenser : en
  • US1970456A - Bathtub and cabinet therefor : en
  • US1970006A - Coin controlled vending machine : en
  • US1970019A - Hinge : en
  • US1970207A - Fuse mechanism for projectiles : en
  • CH171139A - Device for ventilation of electrical machines. : de en
  • DK49120C - Load-bearing construction for roof structures, bridges, floor separations and the like. : da en
  • CH171226A - Boat with frame structure. : de en
  • DE601595C - Drive device for motor vehicles with drive wheels mounted on rocker arms : de en
  • FR768851A - Waterproof textile products : en fr
  • CA343863A - Biograph film winding apparatus : en fr
  • AU1582534A - Improved means for eliminating smoke and/or improving combustion in boilers ofthe locomotive type : en
  • CA343962A - Radiator : en fr
  • CH171030A - Filter with small pieces of filter material. : de en
  • US1970013A - Appliance for facial treatment : en
  • US1970222A - Door : en
  • AU1291933A - An electric vaporiser : en
  • ES2601U - Amusement device composed of a figure on horseback or another quadruped with legs in which it makes him advance. (Machine-translation by Google Translate, not legally binding) : en es
  • ES134803A1 - New procedure for the manufacture of strips or fences, made of rubber, leather or fibers, with patterned or embossed drawings in fire and in relief, applicable to footwear, especially those of children. : en es
  • FR769083A - Improvements to photoelectric cells : en fr
  • GB414964A - Improvements in and relating to winding drums or winches for motor vehicles : en
  • GB415055A - Improvements in yarn manufacture : en
  • CH171061A - Instrument for writing. : en fr
  • ES2498Y - Clasp for holding stockings and socks. : en es
  • ES129245A3 - Improvements made to devices for holding the end of a wire or cable. : en es
  • FR768985A - Process for preparing coffee tablets or coffee-based blends : en fr
  • NL61872B - : en
  • US1969945A - Razor and loading device therefor : en
  • US1970243A - Coating or filling textile fabrics : en
  • US1970357A - Means for mounting lenses : en
  • CH170964A - Device for heating liquids. : de en
  • CH171027A - Device for salting meat by means of brine to be introduced into it. : de en
  • AU1400033A - Tone control : en
  • CH171209A - Air flap for vehicles. : de en
  • FR768832A - Powder compacts : en fr
  • GB414968A - Improvements in convertible bodies for vehicles, and particularly for motor vehicles : en
  • ES134717A1 - Perfections in the machine guns. : en es
  • ES134948A1 - Improvements in a construction process of extensible and shrinkable electrical conductors. : en es
  • US1969767A - Door opening and closing device : en
  • US1970427A - Thyratron equipment : en
  • ES2497Y - Clasp for holding stockings and socks. : en es
  • GB414899A - Improvements in and relating to card indexes : en
  • FR768785A - Device for obtaining a high flashing speed for flashing signals : en fr
  • FR769023A - Device intended to ensure on locomotives or railcars the repetition of signals with multiple indications : en fr
  • FR769034A - Method and device for braking and reversing direction of single-phase commutator series motors : en fr
  • ES2399Y - Board billiards. : en es
  • FR768873A - Method of fixing a printing block and products obtained : en fr
  • GB414868A - A new or improved brake for perambulators, bath chairs and other hand-propelled vehicles : en
  • DE601285C - Process for the manufacture of products containing active sulfur : de en
  • CA343882A - Vehicle suspension : en fr
  • CH170974A - Hinge for doors, window sashes etc. : de en
  • CH171237A - Method for the preparation of a cardiac active glucoside. : de en
  • CH171121A - Jack. : de en
  • US1970077A - Means of separating and collecting dust particles and liquid globules : en
  • US1970440A - Electric translating circuits : en
  • GB414805A - Improvements in and connected with steel or other tubular scaffolding used in building construction and other purposes : en
  • US1970142A - Electric visible surface gauge indicator : en
  • ES134627A1 - Manufacturing process of special, insulated handles for aluminum cookware. : en es
  • US1969888A - Deaerating steam heating system : en
  • US1970448A - Radiator vent valve : en
  • ES134688A1 - A new machine to toast coffee. : en es
  • FI16038A - Förfaringsäätt för kontinuerlig blekning av Cellulosa : en fi
  • DE601496C - Process for the production of glow cathodes : de en
  • ES2478Y - New spigot to extract fluids. : en es
  • USD93051S - Design for a furniture pedestal : en
  • USD93070S - Design for a bottle : en
  • CA343989A - Plankless truck bolster : en fr
  • USD93041S - Design for a shoe : en
  • US1970031A - Stripping machine : en
  • US1970359A - Container for wrenches and the like : en
  • US1970524A - Weaving mechanism : en
  • GB414973A - Improvements in or relating to handles for cutlery : en
  • GB415022A - Improvements in or relating to induction motors : en
  • GB415117A - Improvements in or relating to pressure regulators for fluid systems : en
  • FI16043A - Förfaringssätt och apparatus for försegling ell tillslutning av flaskor eller behållare av papper eller dyl. : en fi
  • FI16033A - Förfaringssätt framställning av coffeinfritt och förädlat kaffe : en fi
  • FR768877A - Roof for vehicles : en fr
  • ES134813A1 - Arrangement to automatically regulate the degree of transmission in telecommunication systems. : en es
  • GB414913A - Improvements in or relating to down leads for wireless aerials : en
  • FI16036A - Fertilization requirements for mechanical overhead contact lines : en fi
  • FI16016A - The procedure produces an insulating material for construction purposes and a substance thus manufactured : en fi
  • ES134738A1 - A procedure for the construction of metal plate partitions. : en es
  • GB414811A - A new or improved trolley mounting for tramway-cars and like vehicles : en
  • AU1479433A - Improvements in or relating to ventilating devices for vehicles : en
  • ES134727A1 - Improvements in desktop fans. : en es
  • ES134870A1 - A procedure for the manufacture of carpets. : en es
  • US1969821A - Umbrella : en
  • US1970104A - Valve operating device : en
  • GB414915A - A new or improved flexible sliding shutter : en
  • GB414744A - Improvements in rotary compression refrigerating machines : en
  • US1969759A - Controlling means : en
  • ES134770A1 - A new DC dynamo system. : en es
  • DE601582C - Device for the production of hollow bodies with conical inner and possibly also outer surfaces : de en
  • ES127388A1 - A new procedure for making baby bottles. : en es
  • ES134947A3 - New process for manufacturing stockings and socks. : en es
  • FR768774A - Self-stabilizing device : en fr
  • FR768775A - Automatic safety cut-out for ignition of explosive gases by electric spark : en fr
  • FR769096A - Luminous advertising device : en fr
  • ES134700A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF SAID PATENT : en es
  • ES134924A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF SAID PATENT : en es
  • ES2509Y - Device to prevent the removal of the caps of the radiators and gasoline tank of automobiles. : en es
  • FI16021A - Power compass : en fi
  • FR769056A - Development of protective spark plug caps : en fr
  • FR769031A - Signal integration method, by a static system indicating only the number of signals sent, regardless of their amplitude : en fr
  • GB415108A - Improvements in and relating to pails, buckets and like receptacles and containers : en
  • FR768887A - Improvements to vibrating devices : en fr
  • FR769095A - Lever for containers of all kinds : en fr
  • DE601361C - Photographic cassette : de en
  • DE601372C - Arrangement for power consumers connected in series, especially for lighting systems on rail vehicles : de en
  • US1970235A - Sheet handling mechanism : en
  • US1970283A - Treatment of hydrocarbon oils : en
  • FR768939A - Liquid fuel stove : en fr
  • DE601465C - Process for the production of cyanamide from its alkali compounds : de en
  • FR768956A - Multi-part cylinder gas engine : en fr
  • US1970069A - Game apparatus : en
  • US1970099A - Endless track construction : en
  • GB415053A - Improvements in combination garments : en
  • FR768828A - Method and device for extracting the air contained in plastic masses, in particular ceramic masses treated in presses such as extrusion presses : en fr
  • CH170998A - Drafting system with endless belts. : de en
  • CA343888A - Shoe lace tipping method : en fr
  • ES134370A2 - PERFECTIONS IN PORTABLE PNEUMATIC GUILLOTINE SHEARS : en es
  • FR768878A - Support pulley for belt conveyor with ball bearings protected from dust : en fr
  • GB415023A - Improvements in and relating to brassieres or bust bodices : en
  • CH171208A - Frost protection window for heating the windshield of motor vehicles. : de en
  • US1969773A - Typewriting machine : en
  • CH170966A - Electric oven. : de en
  • US1969825A - Tightening device for type : en
  • US1970411A - Protective system : en
  • CA343901A - Fibro-cement tube manufacture : en fr
  • USD93059S - Design for a table : en
  • GB414922A - Device for conveying photographic emulsion carriers through treatment baths : en
  • US1970174A - Mechanism for disengaging driving gears : en
  • US1970525A - Spark plug : en
  • USD93020S - Design fob a corner plate for : en
  • US1970497A - Windshield wiper : en
  • FR768753A - Improvement in motor vehicles allowing the camp : en fr
  • FR768863A - Improvements to devices for grinding off-center rotary knives : en fr
  • FR768901A - Electric motor-transmitter device for sewing machines and similar applications : en fr
  • US1969843A - Cutter for and method of cutting gears : en
  • US1970054A - Wall protector for stoves : en
  • US1970183A - Cutting and wrapping device : en
  • US1969956A - Process of refining petroleum : en
  • CH171087A - Process for connecting hollow workpiece parts by internal soldering. : de en
  • DE601541C - Steam power plant, in particular Grez steam power plant, consisting of an upstream machine and main engine : de en
  • US1969751A - Refractory brick : en
  • USD93004S - Design for a chaise longtje : en
  • US1970503A - Floor surfacing structure : en
  • USD93033S - Design for an aquarium : en
  • FR768795A - Elastic suspension for wheels mounted on oscillating half-axles, in particular for motor vehicles : en fr
  • FR768813A - Extrusion press for the manufacture of metal tubes : en fr
  • US1969729A - Formation or production of blocks : en
  • US1970000A - Crowning attachment for roll grinding machines : en
  • CA343889A - Resinous coating composition : en fr
  • CA343902A - Cord take-up reel : en fr
  • CH171165A - Battery flashlight. : de en
  • ES134731A1 - Improvements in the manufacture of discs for closing containers. : en es
  • US1970324A - Locomotive valve mechanism : en
  • US1970453A - Grinding machine : en
  • US1969904A - Bituminous road making composition : en
  • ES134793A1 - A new procedure to separate the woody part constituted by crushed bones of the pulp and skin, that is, the nutritive matter contained in the olive pomace after the fat is extracted by hydraulic pressure. : en es
  • US1970490A - Feed mechanism for rag cutters : en
  • ES134904A1 - Procedure to treat the oxidic smoke that leaves the combustion chambers of the zinc white kilns (zinc oxide). : en es
  • ES2384Y - Billiards. : en es
  • DE601408C - Process for preventing tarnishing of objects made of nickel, copper and alloys of these metals : de en
  • FI16028A - Anordning förrebygga sugning i motorer vid Automobiler vid avbruten eller minimal gastillförsel : en fi
  • FR768792A - Metal coil or similar for the textile industry comprising its centering and drive system : en fr
  • FR768818A - Method of spreading liquid coating compositions : en fr
  • US1970325A - Reduction of distortion in vacuum tube circuits : en
  • DE601336C - Electromagnetic rail brake : de en
  • DE601346C - Drain valve for tank wagons : de en
  • ES134772A1 - An installation to impress films or films. : en es
  • FR768917A - Improvements to container or tank doors : en fr
  • GB415075A - Improvements in or relating to manhole and like covers and grids : en
  • FR769073A - Improvement in tube expansion devices : en fr
  • ES2491Y - Metal hanger for costume suits. : en es
  • ES2821U - Yoke formed by the threaded connection of several iron tubes or other metal alloys, whose central part is a t. (Machine-translation by Google Translate, not legally binding) : en es
  • ES134593A1 - An improved method for blasting or starting materials such as coal. : en es
  • ES134940A1 - Improvements in liquid spray equipment with adjustable nozzle. : en es
  • ES134638A1 - A cash register. : en es
  • DE588884C - Heat exchange plate : de en
  • ES133786A1 - A new synchronized film system for the projection of animated images with musical hearing obtained by means of a harmonic plate or similar medium. : en es
  • ES134971A1 - Improvements in the procedure for degumming textile fibers. : en es
  • US1969819A - Screened coils provided with a device for adjusting the selfinductance : en
  • ES134483A3 - Procedure for dehydrating organic liquids. : en es
  • GB414816A - Door-or like locks : en
  • DE601475C - Skin care products : de en
  • ES134866A1 - A perfection in the manufacture of screws or nails filleted. : en es
  • DE601403C - Scaffolding for the production of walls, especially bunk walls for exhibitions : de en
  • FR768833A - Improvements to folding boxes : en fr
  • FR769048A - Alloy containing gold and glucinium : en fr
  • ES134746A3 - A bottle capping and capping machine. : en es
  • DE601365C - Folding top : de en
  • ES2808U - Parachute toy (Machine-translation by Google Translate, not legally binding) : en es
  • GB414790A - A machine for testing extensible material : en
  • GB414842A - Improvements in shoe and slipper uppers : en
  • ES2480Y - Drilled paper sheet blocks. : en es
  • FR769046A - Device for simultaneously winding the gear bodies of a clock : en fr
  • FR768909A - Internal slide for articulated table legs : en fr
  • FR768968A - Improvements made to flexible pipe fittings : en fr
  • FR768754A - Glide path beacon for guiding aircraft on landing : en fr
  • ES2524Y - Special packaging for products. : en es
  • FI16018A - Anordning vid fönster med metallbågar : en fi
  • ES134725A3 - Device for electric heating of plates without direct coupling to them with conductive cable and with resistors or at least housed in spark plugs. : en es
  • GB415018A - Improvements in and relating to photo-electric devices : en
  • GB415110A - Improvements in engine starter control : en
  • US1970113A - Forehearth for glass melting furnaces and method of conditioning molten glass : en
  • US1970115A - Razor blade sharpener : en
  • US1970355A - Suction cleaner : en
  • US1970137A - Method of making shovels and like implements : en
  • US1970255A - Adsorbent : en
  • US1970277A - Headstock unit : en
  • CH171010A - Method and machine for making reusable feathers gathered in lumps of bed feathers. : de en
  • FR768986A - Gas illuminated railway signal : en fr
  • CA343922A - Sprinkler head : en fr
  • CH171089A - Electric heater for optional use as a soldering iron and immersion heater. : de en
  • CH171123A - Method for operating a steam plant with at least one steam generator with a low liquid content and steam plant for carrying out the method. : de en
  • CH171148A - Device for automatic periodic switching of electric drive motors. : de en
  • DE601321C - Automatic offset device for the needle beds of flat knitting machines : de en
  • CA343960A - Petroleum hydrocarbon conversion : en fr
  • CA343867A - Brick, slab or sheet manufacture : en fr
  • CA343895A - Jewel mounting : en fr
  • US1970371A - Air compressor engine : en
  • US1970040A - Self-drain bonnet valve : en
  • US1970408A - Pinking shears : en
  • CA344013A - Recessing cutter : en fr
  • ES134935A2 - IMPROVEMENTS IN THE DEFEAT SPOLETS FOR PUMPS AND OTHER PROJECTILES : en es
  • GB414934A - Improvements relating to the manufacture of refractory materials and materials possessing heat and sound insulating properties : en
  • CH171118A - Winch. : de en
  • DE576010C - Process for sorting paper or similar materials in web or sheet form : de en
  • DE601481C - Rider or roller cone brush for plansifters : de en
  • ES134974A1 - A device for internal combustion engines, intended to reduce the pressure in the fuel supply conduit to an adequate amount after the feeding operation. : en es
  • GB415038A - Shoe made of rubber and fabric : en
  • US1969817A - Rapid revolver loader : en
  • US1969942A - Ink distributing mechanism for printing machines : en
  • USD93055S - Design for a display device or : en
  • US1970329A - Battery control circuit : en
  • US1970231A - Method and blank for making axle housings : en
  • US1970376A - Method of making tennis strings and the like : en
  • USD93048S - Design for a razor blade sharpener : en
  • CA343866A - Tire : en fr
  • CA343944A - Gas producing process : en fr
  • US1970275A - Compressed yeast product : en
  • US1970518A - Hair clipper : en
  • US1970102A - Sound recording and reproducing apparatus : en
  • ES2461Y - Device for the use of liquid pharmaceutical products packed in dropper bottles. : en es
  • GB415069A - Improvements in the manufacture and production of nitrogenous condensation products of the anthraquinone series : en
  • US1970015A - Soap holding device : en
  • US1970023A - Lathe : en
  • DE601482C - Showcase or the like : de en
  • US1969806A - Valve : en
  • US1969838A - Starting and stopping mechanism : en
  • CH170954A - Device for fastening the cover rails of putty-free skylights on the rungs. : de en
  • CH171043A - Means of publication. : de en
  • ES2447Y - Shotgun wrench. : en es
  • AU1432233A - Improvements in or relating to vulcanizing apparatus : en
  • CH170991A - Foam vibrating machine. : de en
  • CH170971A - Concealed washbasin hanging device. : de en
  • CH171142A - Connection rosette for flush mounting. : de en
  • ES134035A1 - A process for manufacturing electrolytic cells. : en es
  • ES2538Y - One-piece double hook without any welding. : en es
  • FR768860A - Device for protection against arsines, fumes and dust, applicable to gas mask cartridges : en fr
  • DE601449C - Device for exchanging heat : de en
  • ES653U - Toys armed with grapillas, loops or edges that allow you to put on people or objects just by being thrown into space. (Machine-translation by Google Translate, not legally binding) : en es
  • GB414835A - Improvements in metallic packings for rotating rods : en
  • GB415063A - Improvements in or relating to conveyors : en
  • US1970126A - Rotary cam drive sprinkler : en
  • CA343894A - Candy making machinery : en fr
  • USD93065S - Design fob a bottle : en
  • US1969719A - Running vacuum tube light : en
  • US1970186A - Melting furnace : en
  • US1970470A - Road surfacing composition and the like : en
  • US1970362A - Rotary jar : en
  • US1970266A - Folding chair : en
  • CA343994A - Heat treating apparatus : en fr
  • DE601300C - Amusement track with several rotating decks : de en
  • FR768920A - Coupling device : en fr
  • CH171075A - Dial gauge for length measurements. : de en
  • CH170959A - Height adjustable forestay. : en fr
  • ES133942A3 - A procedure for the manufacture of condensed milk. : en es
  • FI16022A - Gasmätare, styrd medelst vevmekanism : en fi
  • CH171136A - Capacitor group for single-phase motors. : de en
  • CA343937A - Fabric coating composition : en fr
  • CA343945A - Dental investment compound : en fr
  • US1970062A - Loom shuttle adapted for automatically stopping the loom on substantial depletion ofthe weft : en
  • CA343935A - Carboxylic acid : en fr
  • CA343904A - Tie for concrete form work : en fr
  • US1970160A - Auxiliary brake and accelerator control : en
  • US1970213A - Cabinet and shelf structure : en
  • US1969984A - Cyclohexyl-aromatic hydrocarbon : en
  • CH171222A - Railway signaling system with multi-aspect signals. : de en
  • DE601304C - Method and device for burning cement : de en
  • DK49124C - Compensation unit for voltage division. : da en
  • GB415067A - Hydraulic press for bending sheet metal : en
  • US1969944A - Trolling spoon : en
  • ES134739A1 - A procedure to attach to the containers and other aluminum pieces the handles of different metal. : en es
  • US1970301A - Air conditioning method and apparatus : en
  • US1970433A - Valve controlling mechanism for steam engines : en
  • US1970058A - Apparatus for storing and dispensing carbon dioxide : en
  • ES2500Y - Toy for distraction and claim. : en es
  • GB415051A - Improvements in or relating to supersonic heterodyne receivers for wireless and like reception : en
  • CH171108A - Sealing device, in particular for slip clutches. : de en
  • ES135005A1 - A potato caliper sorting apparatus. : en es
  • FR768966A - Remote electromagnetic control circuit breaker : en fr
  • GB415058A - Improvements in or relating to spirit pyrophoric igniters : en
  • ES2533Y - Clothes dryer in the form of a folding ladder. : en es
  • US1969804A - Aircraft construction : en
  • GB415054A - Improvements in textile yarns and the manufacture thereof : en
  • DE601302C - Method and device for the production of hollow stones closed on all sides : de en
  • DE601565C - Spiral staircase with movable steps : de en
  • CA343957A - Refrigerating apparatus : en fr
  • CH170962A - Machine for tamping concrete or any other material used in the construction of road surfaces. : en fr
  • DE601350C - Braking device : de en
  • DE601569C - Machine for sewing leather with awl and ripping knife : de en
  • DK49123C - Finger disc for Impulse Transmitters. : da en
  • FR769004A - Signaling and electrical indication device : en fr
  • GB414831A - Improvements in wind and weather screens : en
  • DE601435C - Process for the production of molded plastics from viscose foam : de en
  • FR768965A - Coupling arrangement for telephone systems : en fr
  • US1969912A - Method for forming articles : en
  • GB414873A - Improvements in or relating to safety razors : en
  • DE601369C - Alarm device for operational monitoring and determination of abnormal turbidity of a gaseous or liquid medium, in particular for determining the smoke density as a means of protection for rooms, transformers and other electrical apparatus : de en
  • DK49121C - Patronmagasin. : da en
  • GB414788A - Improvements in pipe couplings or connections : en
  • ES134008A1 - A method for making the extinguishing insulation of an arc in an electrical conductor. : en es
  • US1969939A - Navigating instrument : en
  • ES133957A1 - Improvements in fire extinguishing equipment. : en es
  • ES134862A1 - A process for the preparation of snacks in the solid state. : en es
  • ES2815U - Revolving door. (Machine-translation by Google Translate, not legally binding) : en es
  • GB414897A - Process and apparatus for the determination of the time exposure of photographic copies : en
  • US1969962A - Method of making a rubber article having a molded outer surface : en
  • CA343907A - Filtering apparatus : en fr
  • CH171163A - Device for controlling the gas supply to a gas-heated device. : de en
  • ES134716A2 - IMPROVEMENTS IN THE HAND OPERATED LEVER SWITCH : en es
  • FR769003A - Television method and device : en fr
  • US1969934A - Vehicle body ventilator and method : en
  • US1970302A - Brush : en
  • US1970533A - Saddle : en
  • DE601479C - Canary training and singing box : de en
  • US1970396A - Method of and machine for making capsules : en
  • GB414828A - Improvements in or relating to horse shoes : en
  • GB414970A - Improvements in or relating to furnace firebridges : en
  • US1969866A - Radio shielded cable fastener : en
  • US1969995A - Window sash : en
  • ES134605A1 - Improved procedure for the sterilization of cork that is used for the packaging of agricultural products. : en es
  • GB414747A - Improvements in or relating to rubber coated articles and method of making the same : en
  • ES134977A1 - Perfections in the construction of machine guns. : en es
  • FR768950A - Process for obtaining constituents of air which have a higher boiling point than oxygen : en fr
  • FR768944A - Improvements to billiards and ball games : en fr
  • DE601474C - Cosmetic preparations : de en
  • ES134822A1 - New procedure for the construction of gaskets for liquid and gas pipelines with fast union and disconnection. : en es
  • DE601384C - Blow molding machine : de en
  • FR769058A - : fr
  • GB414947A - Measuring apparatus for measuring the space above the liquid in barrels, containers, bottles and other receptacles : en
  • DE601295C - Knife sharpening device with two intersecting grinding rollers : de en
  • DE601452C - Withdrawal back pressure turbine : de en
  • DE601305C - Process for the production of hydrogen from hydrocarbons : de en
  • FR768756A - Wheel improvements : en fr
  • GB415034A - Improvements in and relating to pistons and packing therefor : en
  • FR768923A - Register for hot air and gas : en fr
  • FR769044A - Improvements to automatic gas valves : en fr
  • USD93034S - Design fob a lace table cloth : en
  • US1970182A - Bending machine : en
  • US1969768A - Advertising folder : en
  • US1970353A - Textile assistants and process of : en
  • US1970384A - Cell for use in spinning cellulose acetate in the dry process : en
  • USD93036S - Design for a lace table cloth : en
  • FR769070A - Driving machine, with elastic fluid, with two opposed pistons, each double acting and with distribution controlled only on the long sides of each of the pistons which face each other : en fr
  • GB415104A - A mechanical testing machine : en
  • US1970130A - Protective device : en
  • US1969775A - Brake drum : en
  • US1970386A - Tobacco pipe : en
  • CH171063A - Device for protecting grave wreaths. : de en
  • CH171111A - Weight safety valve for water pipes and the like. : de en
  • ES2817U - A fundus camera (Machine-translation by Google Translate, not legally binding) : en es
  • FR768804A - Fuse for lamps and electric utensils : en fr
  • FI16008A - The provisions of this Regulation are based on the provisions of this Regulation : en fi
  • FR768769A - Improvements to typographic ingot melting machines : en fr
  • ES134612A1 - An improved process for extracting sulfur from sulphide minerals. : en es
  • ES134806A1 - A perfected high speed motor system of the vertical shaft type. : en es
  • FR768984A - Azo dyes manufacturing process : en fr
  • FR769018A - New shock absorber system applied directly to vehicle wheels : en fr
  • ES2373Y - Armor for portable optical instruments. : en es
  • FR768947A - All-metal wheelbarrow wheel, made of electrically welded flat irons, with round iron axle, without hub : en fr
  • US1969834A - Tipped cigar and method of making the same : en
  • US1969965A - Gyroscopic compass and latitude indicator : en
  • US1970199A - Bushing for locomotive valve motions : en
  • US1969762A - Floating hub liner : en
  • DE601460C - Clock system operated by mains alternating current : de en
  • ES134747A3 - Shock spray mechanism with air stream separation. : en es
  • ES134777A1 - A twin machine that reproduces wooden heels for footwear. : en es
  • GB414865A - Method of and apparatus for compensating for play in machines for grinding or otherwise forming screw-threads : en
  • US1970111A - Railway switch controlling apparatus : en
  • CA343908A - Hot air furnace : en fr
  • CH171145A - Liquid switch. : de en
  • GB414854A - Improvements in pin tumbler locks : en
  • AU1637434A - An improved balancing figure toy : en
  • CH171101A - Screwdriver. : de en
  • US1969931A - Sheet feed mechanism in sheet handling machines : en
  • US1970370A - Floral device or garland : en
  • ES134704A1 - An apparatus for winding raw silk. : en es
  • ES2362Y - Disc to indicate the size of the barrels. : en es
  • FR768976A - Eraser holder : en fr
  • US1970036A - Photoelectric apparatus : en
  • US1970331A - Vehicle lamp controlling means : en
  • US1970265A - Artificial flower : en
  • US1969847A - Lighter : en
  • US1970380A - Pump control : en
  • AU1670134A - Automatic coupling device for vehicles : en
  • GB414951A - Improved convertible equipment for compartments of sleeping cars and similar applications : en
  • CA343978A - Picture reproducing apparatus : en fr
  • CA343900A - Commodity container : en fr
  • US1970093A - Fork : en
  • CA343988A - Vacuum cleaner hose connector : en fr
  • DE601467C - Replica for pupinized two-wire lines : de en
  • FR769087A - Solid, liquid or gaseous fuel roasting or grilling oven : en fr
  • GB414813A - Improvements in and relating to roots' blowers, exhausters, and the like : en
  • US1970343A - Broiler construction : en
  • US1970373A - Grease gun : en
  • US1970061A - Swage for oil wells : en
  • CH171088A - Steel electrode for electric arc welding. : de en
  • US1969829A - Air conditioning means : en
  • US1970202A - Water treating and storage apparatus : en
  • US1970232A - Testing device : en
  • CH170988A - Foldable, mobile underframe for baskets, serving boards and the like. : de en
  • USD93075S - Design for a bottle : en
  • ES134912A1 - A new machine to make cigarettes. : en es
  • CA343913A - Rail joint bridge : en fr
  • CA344010A - Aliphatic acid neutralization : en fr
  • USD93011S - Design fob a buckle : en
  • DE601562C - Installation switch with contact bridge (slide) sliding between the opposing, resilient, fixed contacts : de en
  • ES2460Y - Hand hooks for harvesting olives. : en es
  • CH171004A - Ball holder. : de en
  • DE601507C - Transition coupling, especially for railway vehicles, in which a towing coupling is hooked into the existing towing hook : de en
  • ES134823A1 - A new valve system for liquid and gas tanks. : en es
  • FR768922A - Improvements to circular knitting machines, rotary needle cylinder : en fr
  • US1969865A - Articulated cover for journal boxes : en
  • US1969975A - Clock : en
  • FR768983A - : fr
  • FR769042A - Thermostatically controlled radiator curtain : en fr
  • GB415002A - Improvements in or relating to suction cleaners : en
  • US1970512A - Calculating machine : en
  • US1969933A - Dump wagon : en
  • US1969928A - Collar construction : en
  • US1969930A - Hair waving apparatus : en
  • FR768800A - Device for inflating the inner tubes of pneumatic tires : en fr
  • FR769030A - Apparatus for spreading liquid on a floor or the like and sweeping or scrubbing the same : en fr
  • FR769043A - Process for the manufacture of a glass material based on formaldehyde, urea and guanidine and use of the product : en fr
  • AU1593334A - Improvements in tie ribbons for packaging goods : en
  • US1969949A - Method and apparatus for working arable land, especially for the deeper setting of plants : en
  • CH171009A - Steam generator to be attached to an iron. : de en
  • FR769098A - : fr
  • AU1685634A - An improved specific for preventing blowflies striking sheep for lamb marking, dipping andthe like : en
  • US1970190A - Suction cleaner dust collector : en
  • US1969969A - Depth measuring device : en
  • US1970225A - Gas generator : en
  • CA343927A - Discharge device cathode : en fr
  • CA343947A - Glass-to-metal joint : en fr
  • CA344002A - Plastic mass, foil and coating production : en fr
  • US1969986A - Humidifier : en
  • CA10396S - Tin primarily to contain tobacco : en
  • US1969801A - Hydrocarbon substituted bromophenol : en
  • US1970060A - Machine for grinding splined shafts, gear teeth, and the like : en
  • US1970395A - Mounting device : en
  • USD93027S - Design fob a memorial clockcase : en
  • CH171154A - Discharge tube with gas filling and hot cathode for rectifying alternating current. : de en
  • US1970432A - Switch operating mechanism : en
  • US1970272A - Fluid dispensing apparatus : en
  • US1969967A - Burner control apparatus and system : en
  • US1970344A - Stoker : en
  • FR768805A - Improvements to connecting rods for internal combustion engines : en fr
  • FR768904A - Improvements in cellular rubber manufacturing : en fr
  • FR769100A - Apparatus for quantitatively measuring liquids and gases as they pass : en fr
  • US1969790A - Combination inlet and injector valve for water softeners and the like : en
  • US1970166A - Gas generator for internal combustion engines : en
  • US1970210A - Window : en
  • USD93045S - Design fok a combined washing : en
  • CH171129A - Steam system with a steam generator in which the state changes of the working medium take place in a long pipe run. : de en
  • DE593695C - Lead drive clamp for steering and straightening young lead shoots : de en
  • FR768931A - Production of new water-insoluble azo dyes : en fr
  • FR769037A - Two-stroke engines : en fr
  • GB415057A - Improvements in or relating to the manufacture of zinc chloride : en
  • US1969739A - Method of reforming lasts : en
  • DE601313C - Muffle furnace for smoldering coal : de en
  • DE601566C - Fence-like windbreak device : de en
  • FR768937A - Stretchable material tester : en fr
  • DE601521C - Process for the production of a corrosion protection coating on magnesium and magnesium alloys : de en
  • FR768786A - Closing device by stapling by means of a sliding part : en fr
  • CA344007A - Brake : en fr
  • CH171003A - Clothes and linen. : de en
  • CA343990A - Hydrocarbon oil processing : en fr
  • ES134945A1 - A sander machine. : en es
  • FR768884A - Production of new water-insoluble azo dyes : en fr
  • FR769040A - Vibration or percussion generator mechanism : en fr
  • US1970028A - Wardrobe : en
  • US1970250A - Conveyer : en
  • US1970206A - Fuse mechanism for projectiles : en
  • CH171218A - Rail vehicles, in particular for mountain railways. : de en
  • CH171181A - Cash register with registration device. : de en
  • NL33503C - : en
  • US1969810A - Tunnel lining : en
  • US1970198A - Manicuring instrument : en
  • US1970244A - Electric switch : en
  • CA344000A - Relay system : en fr
  • ES2807U - A new sole applicable to all kinds of footwear (Machine-translation by Google Translate, not legally binding) : en es
  • US1969841A - Gear cutter : en
  • US1970419A - Perpetual calendar : en
  • CH171107A - Bearings, especially block plain bearings, for horizontally and inclined shafts. : de en
  • FR768770A - Improvements made to quick filing files : en fr
  • GB414981A - Improvements in and relating to feed mechanisms for coal cutting machines : en
  • ES134707A1 - A retarding mechanism of the shooting speed for automatic weapons. : en es
  • FI16050A - Apparat för ledning av luft eller gaser i finfördelat tillstånd in i vätskor : en fi
  • GB415017A - Improvements in superheterodyne receivers : en
  • CA344008A - Liquid pressure braking system : en fr
  • DE601340C - Carburetor : de en
  • DE601359C - Device for the machine production of the bead straps on seamless immersion rubber objects : de en
  • FR769028A - Cooling system for large vehicle engines : en fr
  • GB414739A - Improvements in and relating to a.c. boosters : en
  • ES134603A2 - IMPROVEMENTS MADE IN THE PURPOSE OF SAID PATENT : en es
  • FR768991A - Method and apparatus for compressing the wicks stacked in the spinning pots or on the turntables : en fr
  • GB414689A - Improvements in or relating to homogenising or emulsifying apparatus or the like : en
  • GB414809A - Improvements in and connected with machines for washing sand, gravel, and other likematerials : en
  • CH171042A - Process for producing colored coatings on zinc. : de en
  • US1970027A - Method of forming brake drums : en
  • CH170957A - Window. : de en
  • CH171147A - Electrical resistance. : en fr
  • CH171238A - Method for the preparation of a cardiac active glucoside. : de en
  • ES2379Y - Mouthpieces or armor for work bags. : en es
  • US1969940A - Rolling mill and the like : en
  • US1970381A - Photographic copy holding apparatus : en
  • ES134658A1 - An electric discharge tube filled with gas. : en es
  • ES134776A1 - PROCEDURE FOR THE MANUFACTURE OF PROTECTIVE ENVELOPES FOR OVULES, SUPPOSITORIES, PENCILS AND DRUG PLUGS : en es
  • US1969951A - Process for producing dicalcium phosphate : en
  • DE601432C - Electrical resistance, especially series resistance for power supply units : de en
  • DE601425C - Flooding device for refrigeration machines : de en
  • US1970204A - Treatment of diatomaceous earth with chemical agents : en
  • US1970345A - Lens : en
  • US1970537A - Snap-acting thermostatic valve : en
  • AU1497633A - Improved method of and apparatus for washing, filling and emptying bottles : en
  • US1969913A - Back band curtain rod and drapery bracket : en
  • US1969991A - Electrical contact device : en
  • DE601506C - Process for the production of relief clichés or galvanos : de en
  • ES2518Y - About announcer. : en es
  • FR768869A - Separator with discharge of centrifuged material through a hollow shaft : en fr
  • FR768964A - Propeller refinements : en fr
  • ES2820U - Container, especially bottle that has to be closed by a cap. (Machine-translation by Google Translate, not legally binding) : en es
  • CH171173A - Device for dosing powders. : de en
  • CA344001A - Relay circuit : en fr
  • US1969752A - Razor blade holder : en
  • US1969771A - Vacuum machine : en
  • US1969761A - Polyhydric alcohol-carboxylic organic acid-weak polybasic inorganic phenol-aldehyde condensation product : en
  • US1970346A - Distilling apparatus for reclaiming used lubricating oils : en
  • CA343909A - Razor safety device : en fr
  • CH171020A - Insole for light shoes. : de en
  • ES134834A1 - Improvements in the manufacture of fuels. : en es
  • ES2816U - A blind-grid of vertical rotating leaves, manageable from the inside (Machine-translation by Google Translate, not legally binding) : en es
  • FR768977A - Improvements to inner tubes and their manufacturing processes : en fr
  • FR769089A - Sound amplifier : en fr
  • GB414798A - Improvements relating to apparatus for delivering lubricant under pressure : en
  • FR769052A - New double-acting shock absorber and its applications : en fr
  • GB414833A - Improvements in lift-out electric fuse isolators : en
  • GB414881A - Improvements in and relating to speed, distance and drift angle indicators for aircraft : en
  • GB415011A - Improvements in and relating to blast mixing machines : en
  • US1969736A - Automatic by-pass for hydraulic mechanisms : en
  • US1969779A - Motor interference elimination system : en
  • US1970011A - Air mail receptacle : en
  • US1970477A - Lace fabric : en
  • US1969774A - Concrete column reenforce joint : en
  • US1970090A - Floor covering or like material : en
  • GB414850A - Improvements in or relating to devices for collecting electric currents from overhead conductors for transmission to moving vehicles : en
  • DE601339C - Thick-walled, transparent protective bell for electric lights with light-diffusing glass insert : de en
  • DE601509C - Automatic photoelectric switching device operating on the charging method : de en
  • ES133953A1 - A method for manufacturing electrodes for galvanic elements, especially for large-area plates for electric accumulators. : en es
  • DE601553C - Method for braking and reversing hydraulically driven machine tools : de en
  • US1970076A - Electrolytic process for the manufacture of chemical compounds : en
  • US1970249A - Game : en
  • US1969828A - Sedative compounds : en
  • CA343932A - Ceramic material : en fr
  • CH170978A - Glassy object. : en fr
  • CH171018A - Protective device on headgear of all kinds, in particular on hats. : de en
  • CH171057A - Process for copying color lenticular films onto films of the same type and device for carrying out this process. : en fr
  • US1969870A - Valve fixture : en
  • US1969765A - Lighting device : en
  • US1970136A - Protection of molten baths : en
  • FR768827A - Improvements to variable speed electric machines : en fr
  • FR769086A - Improvements in devices for measuring and dispensing gasoline, and other similar products : en fr
  • FR768842A - Low capacitance shielded electrical conductor : en fr
  • GB415041A - Improved method of and means for bending and shaping lawn mower blades and like blades : en
  • US1970009A - Garment hanger : en
  • FR769051A - Temperature indicator and devices with application : en fr
  • ES133902A1 - An apparatus to carry out conversions of thermal and dynamic energy. : en es
  • ES2122Y - Rubber horseshoe without plant. : en es
  • ES2418Y - Cushion for medical belt. : en es
  • GB414946A - Improvements in and relating to gun recoil apparatus : en
  • ES2595U - Balanced lid for quick automatic opening (Machine-translation by Google Translate, not legally binding) : en es
  • ES2324Y - Bathroom glasses holder : en es
  • GB415031A - A process for casting metals : en
  • FR769085A - Improvements in knitting looms : en fr
  • GB414793A - Improvements in stair rod eyes : en
  • ES2479Y - A toy holder : en es
  • GB415398A - Improvements relating to indirectly heated cathodes for electron discharge devices : en
  • GB415105A - Improvements in silencing devices for the exhaust gases of internal combustion engines : en
  • GB414767A - Improvements in or relating to the construction of roads and other surfaces : en
  • ES134655A1 - PROCEDURE FOR THE PURIFICATION OF AQUEOUS OILS OF PLANT AND ANIMAL ORIGIN : en es
  • ES134792A3 - An improved device for coating cement material on tubes. : en es
  • ES2345Y - Collections of complementary jointly drilled templates for the execution of drawings. : en es
  • FI16011A - Refunds for the production of cellulose and cellulose products and for the manufacture of cellulose products : en fi
  • US1970107A - Feeding device : en
  • USD93031S - Weighing machine casing : en
  • ES134509A1 - Improvements introduced in the manufacture of ties. : en es
  • GB414918A - Method of separating the constituents of gaseous mixtures : en
  • FI16009A - Anordning för eldning medelst flytande bränsle : en fi
  • GB414843A - Improvements in and relating to visible indexes : en
  • FR768990A - Apparatus for harvesting algae or similar plants : en fr
  • GB414941A - Process for the production of a new water-soluble derivative of 8-hydroxyquinoline : en
  • FR769075A - Communication method with running trains by high frequency powerline carrier, applications : en fr
  • FR769099A - Universal device for the treatment of wounds with electrolyte antiseptic : en fr
  • GB414949A - Improvements relating to the vulcanisation of rubber and analogous substances : en
  • GB414975A - Batch bobbins : en
  • GB415059A - Improvements in and relating to vehicles for carting refuse : en
  • ES133992A3 - A procedure for the construction of towel racks. : en es
  • GB414821A - Improvements in the manufacture of condenser yarns : en
  • ES134345A3 - A process for the manufacture of an ink eraser and removes stains from coffee, fruit, wine, iodine tincture and the like, in solid state. : en es
  • ES134714A1 - An improvement in automatic looms. : en es
  • FI16041A - Kolsyresnösläckare : en fi
  • GB606875A - Improvements in and relating to protective housings or shields for the accommodation of gunners or observers on aircraft and other vehicles : en
  • US1970224A - Automatic fire alarm : en
  • DE601531C - Combined top game of two cone bodies held together by a screw : de en
  • ES134382A1 - Mechanical liquid measuring device. : en es
  • US1970043A - Dust bag : en
  • US1970149A - Resistance device : en
  • US1970291A - Weighing and delivery mechanism : en
  • US1970515A - Electric valve translating circuit : en
  • DE601334C - Device and production of hollow bodies closed on all sides or on five sides on extrusion : de en
  • DE601442C - Metallic packing made of sealing rings arranged in angular chamber rings : de en
  • USD93023S - Design for an ash receiver : en
  • USD93007S - Design fob a shoe : en
  • CA343930A - Portable loudspeaker : en fr
  • FR769027A - Mobile lifting device more particularly applicable to the loading and unloading of boats : en fr
  • DE601409C - Device for winding sleeves made of cardboard, cardboard, asbestos cardboard, or the like. : de en
  • DE601414C - Device for separating the weft threads for shuttle looms : de en
  • FI16026A - In the vacuum seed drill : en fi
  • FR769090A - Radial Circular Knitting Machine : en fr
  • GB414939A - Improved process for electro-deposition of chromium : en
  • ES134926A2 - A PLUNGER MACHINE WITH SELF-LUBRICATING PACKING RINGS : en es
  • FR768946A - Interchangeable ring for fixing the sheet in billiards with holes : en fr
  • DE601585C - Single-casing steam turbine : de en
  • ES134694A1 - Apparatus for projecting metals or other materials reducible to dust. : en es
  • CA343948A - Container cap remover : en fr
  • CH171234A - Time-setting mechanism for a timepiece. : en fr
  • FR769032A - Renovator-thermodynamic device of spark plugs of combustion engines : en fr
  • ES134749A1 - An apparatus for claims with colored games. : en es
  • FR769015A - Razor blade sharpener : en fr
  • US1969891A - Keyboard apparatus for telegraphs and the like : en
  • ES134125A1 - Indicating device for small electric currents. : en es
  • GB415060A - Improvements in or relating to modulated carrier wave receivers, particularly for radio receivers : en
  • USD93038S - Design fob a shoe : en
  • ES134925A1 - A process for manufacturing synchronous discs or analogous auxiliary elements for the subsequent synchronization of sound films. : en es
  • ES134970A1 - A new procedure for the manufacture of footwear with mixed soles of vegetable fiber and crepe, rubber or rubber. : en es
  • ES134764A1 - An electric appliance to light gas. : en es
  • ES134853A1 - An apparatus for copying by projection images in lenticular lattice films. : en es
  • ES2814U - A new glass plate bearing the registration number of motor vehicles, motorcycles, etc. (Machine-translation by Google Translate, not legally binding) : en es
  • GB415071A - Improvements in or relating to cathode ray tubes : en
  • GB414826A - Improvements in or relating to electric hand-lamps : en
  • ES134781A1 - A procedure for obtaining a product designed to disinfect, mobilize and intensify the fertilization of the land. : en es
  • ES134314A1 - Improvements in microphones feeding systems and other services, in local power stations. : en es
  • ES134927A1 - Procedure for manufacturing luminous signs by refraction. : en es
  • FR768891A - New high-grip motion transmission belt : en fr
  • GB415077A - Improvements in the manufacture and treatment of textile materials containing cellulose derivatives : en
  • FR769064A - Further development of ice cream makers and turbines for ice cream making : en fr
  • GB414779A - Improvements in or relating to the regeneration or purification of catalytic and like contact masses : en
  • AU1428133A - Improvements in and connected with apparatus for pulling up trees andthe like : en
  • US1970020A - Charge forming device : en
  • US1970299A - Low pressure process for separating low boiling gas mixtures : en
  • USD93040S - Design fob a shoe : en
  • USD93063S - Design for a bottle : en
  • US1970157A - Boot and shoe : en
  • US1970316A - Vacuum tube circuits : en
  • ES134643A1 - A security lock : en es
  • ES2456Y - Garter brooch. : en es
  • ES134985A1 - Electromagnetic regenerator. : en es
  • US1969976A - Utility case : en
  • US1970416A - Slicing machine : en
  • US1970464A - Bottle crate : en
  • USD93032S - Design for rubbebette material : en
  • FR769008A - Skill game : en fr
  • GB414960A - Improvements in devices for mending or darning clothes : en
  • FR768919A - Cylinder for two-stroke internal combustion engines : en fr
  • FR768969A - Method of manufacturing embossing cylinders intended for embossing films or casting supports for producing films : en fr
  • US1970309A - Floor and ceiling : en
  • DE601374C - Process for the production of electrical resistors : de en
  • CH170950A - Device for moving the windows or the ventilation flaps on greenhouses. : de en
  • CA343967A - Railway car : en fr
  • CH171038A - Process for the production of a solid, stable diazo preparation. : de en
  • US1969889A - Paper bottle or container : en
  • US1970217A - Telephone system : en
  • US1969733A - Control for heating systems : en
  • US1970485A - Door securer : en
  • USD93079S - Design for a display support for : en
  • CH170961A - Sheet pile wall anchoring with at least one movable anchor connecting iron. : de en
  • DE601410C - Device for winding sleeves made of cardboard, cardboard, asbestos cardboard, or the like. : de en
  • ES134618A1 - New accumulator system. : en es
  • ES2361Y - Perfected brushes. : en es
  • CA344014A - Signalling system : en fr
  • DE601317C - Arrangement for voltage dividers formed from gas discharge paths : de en
  • ES2502Y - A new device for cleaning shoes : en es
  • ES134626A1 - Manufacturing process of special insulating handles, for aluminum cookware. : en es
  • ES134997A1 - A method for manufacturing rubber yarn. : en es
  • ES2424Y - Packing box : en es
  • DE601426C - Ice briquette and process and device for its production : de en
  • ES134665A1 - An apparatus to beat the ground mass of olive and separate the oil that breaks up at the same time. : en es
  • ES134953A3 - Process for the manufacture of endless elastic ribbons or cords and other similar articles. : en es
  • CA343974A - Microphone stand : en fr
  • CH171008A - Machine for washing, rinsing and spinning laundry. : de en
  • US1970075A - Combination stove and heater : en
  • GB415088A - Improvements in or relating to the distillation of liquids containing vitamins : en
  • US1970282A - Treatment of hydrocarbon oils : en
  • ES134768A1 - PROCEDURE FOR THE OBTAINING OF STRONG SUBSTANCES : en es
  • ES134920A1 - A procedure to prepare uric acid solvents. : en es
  • GB414905A - Improvements in or relating to luminescent materials and methods of manufacturing the same : en
  • GB415062A - Improvements in or relating to injection moulding presses : en
  • FR768829A - Single-phase high voltage transformer, especially for large powers : en fr
  • FR768945A - System for bringing on board floating basket boats from fairground attractions : en fr
  • GB414827A - Improvements in steel grates for gully grates and the like : en
  • ES2469Y - Safety device for threaded couplings from the tap to the cap on which the metal drums are mounted when it is not used. : en es
  • DK49136C - Device by Plows. : da en
  • ES134680A1 - An improved process for industrial preparation of butanol and acetone by fermentation. : en es
  • ES134773A1 - A process for the gasification of finely granulated fuels. : en es
  • ES134876A1 - A mechanism for toy shotgun, by compressed air. : en es
  • DE601458C - Fuel injection pump : de en
  • FI16013A - A sterile hexamethylenetetramine solution is provided : en fi
  • GB415027A - Improvements in or relating to the degumming of silk : en
  • GB415106A - Improvements in or relating to apparatus for playing games of skill : en
  • DE601446C - Dipping machine : de en
  • DE601326C - Friction gear change transmission : de en
  • CH171212A - Removable anti-skid fitting on wheel tires of vehicles, in particular tractors. : de en
  • GB414914A - Improvements in and relating to vaporizers for internal combustion engines : en
  • DE601596C - Skylight window opener : de en
  • GB415021A - Improvements in and relating to lighting systems for road vehicles : en
  • DE601427C - Electrode for galvanic elements, especially as a large surface plate for electrical lead collectors : de en
  • ES134657A1 - An electric discharge tube filled with gas. : en es
  • FR768755A - Hand tool refinements : en fr
  • GB414746A - Improvements in the control of electric discharge vessels : en
  • FR768907A - Table of contents and devices facilitating the reading of program parts given simultaneously at times determined by several stations transmitting t.s.f. : en fr
  • GB414963A - Electric distance relay : en
  • GB414847A - Improvements relating to penetrating oils : en
  • GB414896A - A machine for the manufacture of concrete roof tiles : en
  • DE601444C - Hook cover lock for sewing machines : de en
  • FR768994A - Installation of apparatus for the concentration of combined beet distillery stills for the use of vapors in the distillery : en fr
  • GB414862A - Improvements in the production of chlorinated rubber : en
  • USD93052S - Design for a ldp rouge container : en
  • US1969907A - Hair waving clamp : en
  • FI16023A - Panndiopter : en fi
  • US1969753A - Method of operating constant volume explosion chambers : en
  • DE601310C - Safety tap : de en
  • ES2444Y - Case for packing cigarettes. : en es
  • FI16014A - Förfaringssätt för framställning av silverföremål, t.ex. bordsbesticksföremål : en fi
  • GB414815A - Improvements in or relating to touring bags and to their attachment to cycles : en
  • US1969877A - Form aligning device : en
  • US1970489A - Lawn mower : en
  • ES2370Y - Tilt mechanism for X-ray table : en es
  • ES2504Y - Winding spool with preservation ring. : en es
  • DE601351C - Device for automatic adjustment of the braking force according to the vehicle load : de en
  • GB414909A - Improvements relating to sliding sash type windows : en
  • DE601330C - Double acting hydraulic press : de en
  • DK49115C - Chicken nests. : da en
  • ES134632A1 - Improvements in modulated wave transmitters. : en es
  • GB414852A - Improvements in or relating to milk prams : en
  • GB414870A - Improved device for measuring the deflections under load of floors and walls of buildings and structures : en
  • CH171014A - Men's shirt. : de en
  • USD92995S - Design foe : en
  • DE601390C - Trolley for filling coal into degassing chambers : de en
  • FR768929A - Turbine locomotive with gearbox : en fr
  • GB414764A - Improvements in mechanical frequency standards such as piezoelectric crystals : en
  • GB415032A - Improvements in and connected with gates for kinematograph apparatus : en
  • FR769038A - Scraper ring with lights, for pistons of internal combustion engines and other applications : en fr
  • GB415094A - Improvements in or relating to the manufacture of filaments, threads, ribbons, and the like materials comprising cellulose acetate or other organic esters of cellulose and of fabrics containing such materials : en
  • DE601381C - Zipper : de en
  • ES134905A1 - ADJUSTABLE DISTRIBUTION AND MIXING SYSTEM FOR CONCRETE AND MORTAR MIXING MACHINES, CONTINUOUS WORKING AND SIMILAR : en es
  • ES134943A3 - Improvements in equipment for vulcanizing rubber articles. : en es
  • ES2530Y - Device for squeezing fruits in order to extract the juice. : en es
  • US1969798A - Retainer for tools and the like : en
  • US1969833A - Apparatus for treating foodstuffs : en
  • ES134989A1 - A process for making materials for bactericidal dressings. : en es
  • ES134615A1 - Sorting machine for fruits, eggs and other objects of spherical or approximately spherical shape. : en es
  • GB414766A - Improvements in the manufacture of alkyl halides : en
  • US1970347A - Method and apparatus for shaping sheet material : en
  • US1970465A - Foot bath : en
  • US1970492A - Soap dispenser : en
  • GB414976A - Improvements in or relating to knitting machines : en
  • US1969910A - Multi-pose-reflecting apparatus : en
  • DE601357C - Floor locking device for mobile beds : de en
  • DE601498C - Process for sifting cocoa powder and similar powdery substances in circulating air sifters : de en
  • ES134771A1 - An improvement in automatic and semi-automatic scales. : en es
  • ES134842A3 - System for obtaining tubes of any iron or steel section starting from strip. : en es
  • ES2369Y - Sample book of changeable sheets. : en es
  • FR769047A - Sliding door leaf coupling device : en fr
  • ES134684A1 - An apparatus and its procedure that allows by means of the application of the force of the lever to obtain all kinds of energy in its multiple aspects, among them the production of electrical energy. : en es
  • ES2471Y - Folding cardboard boxes and the like. : en es
  • GB415033A - Improvements in flame-proof seals for electric conductors : en
  • ES134699A2 - IMPROVEMENTS IN THE PRODUCTION OF WATER SOFTENING SUBSTANCES AND BASE TRANSFORMERS : en es
  • USD93066S - Design fob a bottle : en
  • US1969998A - Combination of salicylic acid and calcium salts : en
  • ES134614A1 - Improvements in the construction of devices for the reduction of sulfur dioxide to the state of elemental sulfur. : en es
  • ES134961A1 - Improvements in gasoline dispensing devices. : en es
  • FR768882A - Steering system for wheeled vehicles with independent suspension : en fr
  • GB415042A - Process for the production of artificial filaments, threads, films and the like : en
  • GB414817A - Instrument for measuring smoke density : en
  • GB414900A - Improvements in carriers for pneumatic dispatch tube apparatus : en
  • US1970124A - Luminous price sign : en
  • FR768928A - Electric motor, especially for submerged pumps, drilling rigs and the like : en fr
  • FR768981A - Improvements to metal drums for rolling iron curtains : en fr
  • GB414987A - Improvements in and relating to rear axle bearings for motor vehicles : en
  • CH171124A - Internal combustion engine with airless fuel injection. : de en
  • DE601308C - Process for the production of low-twist, tension-free facade wire ropes : de en
  • US1970337A - Telephone system : en
  • DK49134C - Telegraph system with associated Devices for Use in this. : da en
  • GB414888A - An improved anchor : en
  • GB415024A - Improvements in or relating to spray carburetters : en
  • US1969820A - Driving mechanism for textile edge folding machines : en
  • US1970132A - Steam engine piston : en
  • US1970297A - Feeding heads for reciprocating or jigging conveyers : en
  • US1970516A - Guard for loose leaf binders : en
  • USD93029S - Design for a cravat holder : en
  • FR768814A - Method for forming two parallel fold lines in sheets of cardboard, corrugated cardboard or the like : en fr
  • DE601412C - Orbiting wing system for aircraft : de en
  • USD93064S - Design for a bottle : en
  • GB414982A - Improvements in and relating to gear changing arrangements for motor vehicles : en
  • CA343941A - Brake cylinder lubricator : en fr
  • US1970169A - Liquid fuel mixture vaporizer : en
  • US1970335A - Gripping tack : en
  • CH171149A - Contact device for accelerated interruption of circuits in the event of a sudden increase in current by means of an electrodynamic repulsive force. : de en
  • FR768858A - Fireproofing of manufactured rubber : en fr
  • DE601323C - Process for the production of synthetic compositions from polyvinyl chloride : de en
  • ES134582A1 - A machine for printing, stamping, trimming, punching and other similar purposes for paper, cardboard and other appropriate materials. : en es
  • FR768880A - Indirect lighting fixture for gardens, beaches, terraces, etc. : en fr
  • FR768771A - Method and device for widening hollow bodies : en fr
  • FR768871A - Shortenable umbrella : en fr
  • FR769007A - Improvements to shock coils : en fr
  • CA344004A - Vegetable and animal goods protecting process : en fr
  • GB414889A - Improvements in or relating to circuit arrangements for automatically limiting the duration of an electrical process : en
  • USD93043S - Design for a toothbrush : en
  • DE601333C - Fountain pen : de en
  • GB414795A - Improvements in connecting rods for internal combustion engines : en
  • GB415101A - Improvements in tuning and indicating devices for radio receiving sets : en
  • US1969861A - Shoe burnisher : en
  • US1970312A - Electrooptical system : en
  • US1970385A - Lubricating system for transmission gears : en
  • US1969760A - Electric heater : en
  • US1970367A - Barrel agitator and handle : en
  • US1970049A - Restoring conveyer chain for the patrices of type line setting machines : en
  • US1970508A - Flotation of ores : en
  • ES134340A1 - A method of manufacturing an apparatus to avoid the damages caused by the fall of the healds in the looms. : en es
  • FR769081A - Improvements to centralized traffic control installations for railways : en fr
  • ES134116A1 - Improvements in thermionic lamps. : en es
  • US1970293A - Suction cleaner : en
  • US1970319A - Silver alloy : en
  • USRE19273E - Machine tool : en
  • CA343921A - Sprinkler release mechanism : en fr
  • CH171006A - Decating and damping device. : de en
  • CH171058A - Method for obtaining color views and device for implementing it. : en fr
  • CA343928A - Electrical transmission system : en fr
  • FR768791A - Dispenser for sugar, salt, pepper, etc. in powder : en fr
  • GB415009A - Improvements in high frequency amplifying arrangements : en
  • CH171128A - Cable connector. : de en
  • CH171169A - Tripods, in particular for medical purposes. : de en
  • CA343997A - Signal transmission system : en fr
  • CH171070A - Toy in the form of an airplane. : de en
  • US1969730A - Process of improving sweet corn for preserving : en
  • CH170985A - Frame for springy seating furniture. : de en
  • DE601287C - Automatic device for trap nests for remote counting of the hatching of the laying animals : de en
  • FR768844A - Signal for motor vehicles : en fr
  • DE601344C - Dough molding machine : de en
  • GB414924A - Improvements in or relating to hand reaping or harvesting machines : en
  • ES134590A1 - A new procedure to produce colors combined with engraving, on pieces of iron or steel. : en es
  • US1969737A - Electrical insulating oil : en
  • US1970014A - Automatic tractor-trailer combination : en
  • US1969853A - Pattern mechanism for knitting machines : en
  • AU1292633A - Improved dog-spike and method of manufacture : en
  • CA343934A - Kier operation control : en fr
  • ES134967A1 - Improvements in cleaning equipment for threshing machines. : en es
  • ES1991Y - Elastic horseshoe. : en es
  • ES2423Y - Cork plugs for hunting shotguns. : en es
  • FR769067A - Improvements to the metal construction of walls of houses or other buildings : en fr
  • FR768809A - Improvements to materials acting by friction, such as brake linings : en fr
  • FR768987A - Improvements to automatic telephone systems : en fr
  • DE601355C - Process for the manufacture of porcelain jacket crowns : de en
  • ES134711A3 - Improvements in the propellers. : en es
  • ES134860A1 - An improvement in air cooling devices. : en es
  • ES2376Y - Folding tables and the like. : en es
  • FR768773A - Incorporation of metal, whether or not associated with asbestos, in blocks, sheets or objects of all kinds in foam rubber or similar bodies, whether or not incombustible : en fr
  • FR769016A - Motion picture drive device : en fr
  • ES2389Y - Tight-closing device on boxes for easy opening. : en es
  • USD93060S - Design for a lace tablecloth : en
  • ES134695A1 - IMPROVEMENTS INTRODUCED IN THE ANTIPARASITE DEVICES IN THE RADIO-ELECTRIC RECEIVERS : en es
  • GB414937A - Improvements in and relating to shutter devices for wireless tuning dials : en
  • US1969726A - Hot top : en
  • CA344006A - High temperature resistant fan : en fr
  • AU1250833A - Improvements in or relating to television and like signal amplifiers : en
  • US1969911A - High voltage terminal construction : en
  • DE601478C - Process for influencing the solubility properties of organic cellulose derivatives : de en
  • US1970034A - Mechanical movement : en
  • ES134625A1 - Installation to obtain carbonic acid. : en es
  • ES134885A3 - A new procedure for the manufacture of a wood fiber material. : en es
  • AU1295533A - Improvements in or relating to thermionic valves and circuit arrangements incorporating thesame : en
  • CH171032A - Process for the preparation of a nuclear-substituted 1.4.5.8-naphthalenetetracarboxylic acid. : de en
  • CH170948A - Motorized soil and crop cultivation, harvesting and tractor machine. : de en
  • CH170958A - Garage door. : de en
  • CH171183A - Coin validator with catching device for inserted counterfeit coins and hinged side wall. : de en
  • US1970146A - Reversible liquid pump : en
  • US1970292A - Fiber testing apparatus : en
  • AU1679234A - Improvements in or relating to furnaces for gas producers : en
  • CH171096A - Process for producing an easily removable protective layer on materials that are to be protected from damage and contamination. : de en
  • CH171100A - Razor blade puller. : de en
  • CH171102A - Device for fastening automobile wheels on their axle journals. : de en
  • DK49122C - Procedure and Systems for Regulating the Power Output of Diesel-Electric Vehicles. : da en
  • ES134765A1 - Improvements in and related to gas protection masks. : en es
  • ES134875A1 - A mechanism to open and close the doors automatically. : en es
  • CA343971A - Goodyear welting : en fr
  • US1969816A - Engine : en
  • US1969875A - Drop leaf table : en
  • US1970176A - Block signaling system for railways : en
  • US1970476A - Scribing or marking device : en
  • USD93017S - Design for a lace tablecloth : en
  • CA343940A - Fluid pressure brake : en fr
  • US1969952A - Combined corset and diaphragm support : en
  • US1970274A - Citrus fruit reamer : en
  • USD92997S - Design fob a spoon : en
  • US1969807A - Tire rimming tool : en
  • ES134654A1 - IMPROVEMENTS INTRODUCED IN THE IoNICA DISCHARGE DEVICES AND THE CIRCUIT FOR THEM : en es
  • ES134732A3 - A procedure for attaching handles to kitchenware items. : en es
  • CA343897A - Sheave : en fr
  • GB414966A - Anodic coating of zinc base metals : en
  • CH171069A - Device to be attached to skis for pulling the back of the boot against the ski when skiing. : de en
  • DE601142C - Drafting system sliver compactor : de en
  • USD93044S - Design fob a toothbrush : en
  • CH171125A - Automatic adjustment device for filling, ignition or speed regulation of internal combustion engines. : de en
  • DE601316C - Device for keeping voltages constant : de en
  • ES134355A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 122039 : en es
  • GB414841A - Tuning indicator for radio apparatus : en
  • GB414883A - A control valve for containers : en
  • DE601382C - Adjustable closure for belts, items of clothing, bags or the like. : de en
  • CH171131A - Steam system with heat exchangers. : de en
  • US1970109A - Furnace : en
  • US1969867A - Switch for automotive lighting systems : en
  • US1970095A - Wringer : en
  • US1970177A - Toy : en
  • US1970473A - Wall fixture : en
  • US1969973A - Marker for shoe uppers : en
  • US1970278A - Method of making butter tubs and the like : en
  • DK49137C - Bearing for Lighting Machines for Bicycles and Motorcycles. : da en
  • GB415116A - Improvements in and relating to self-lubricating metallic surfaces : en
  • AU1244533A - Improvements in and relating to sparkplugs : en
  • DE601406C - Extensible link band made of sheet metal, especially for bracelets : de en
  • US1969916A - Copyholder : en
  • NL33323C - : en
  • US1969908A - Hair waving apparatus : en
  • US1970260A - Compressor : en
  • CH171224A - Contact wire suspension for structures with low headroom, such as bridges, etc. : de en
  • US1970155A - Control for charging machines : en
  • CA343968A - Separable fastener making apparatus : en fr
  • ES134965A1 - IMPROVEMENTS INTRODUCED IN THE COMBUSTION ENGINES : en es
  • GB414830A - Improvements in or relating to amusement apparatus : en
  • US1970308A - Method of canning salmon and product resulting therefrom : en
  • US1970003A - Internal combustion rotary engine : en
  • US1970223A - Sound recording glow lamp : en
  • US1970267A - Locker : en
  • USD93078S - Design for a spoon ok similar article : en
  • ES134383A1 - Improvements introduced in the manufacture of electric stoves. : en es
  • ES134802A1 - A recording machine. : en es
  • ES134959A3 - A modification in appliances for gas heating. : en es
  • GB414807A - Improvements in apparatus for spraying liquids and distributing chippings on to roadand like surfaces : en
  • GB415085A - Improvements in or relating to power transmission : en
  • US1970375A - Centrifugally controlled circuit closer : en
  • DK49130C - Procedure for the removal of the harmful constituents contained in coffee beans, in particular chlorogenic acid. : da en
  • ES134845A1 - A process for manufacturing vegetable or animal fiber shells for the extraction of oils. : en es
  • ES134821A1 - Brake pad system of removable type with transverse elastic key. : en es
  • ES134873A3 - Procedure for the manufacture of tubes. : en es
  • FR768761A - Quick-acting switchable and switchable rod coupling : en fr
  • FR768866A - Method and apparatus for the manufacture of cushions and other rubber articles filled with pressurized gas : en fr
  • DE601574C - Additional gear, in particular for motor vehicles, consisting of a belt gear with opposing conical pulleys and overrunning clutches : de en
  • CH171062A - Erasers. : de en
  • CH171099A - Shaped bodies for polishing, honing and grinding objects of great hardness. : de en
  • NL33514C - : en
  • US1969974A - Switching device : en
  • US1970413A - Returnable shipping container : en
  • USD93025S - Design for a toothbrush holder : en
  • DE601436C - Process for the production of artificial sponge from viscose solutions : de en
  • ES134930A1 - A physical-chemical mechanical procedure for the enrichment and separation of minerals containing two or more metals in the state of arsenates, arsenides, sulfate, sulphides, carbonates and sulfo-arsenides, by means of a reducing and oxidizing furnace : en es
  • FR768811A - Locking device for drills and similar tools in dental instruments : en fr
  • FR768988A - Sophisticated extendable tavelette, specially designed for unwinding artificial thread cakes : en fr
  • GB415006A - Improvements in or relating to the lubrication of hinges : en
  • CH171050A - Tear-off pad, especially for tear-off calendars. : de en
  • FI16031A - Anordning vid skjutventiler : en fi
  • FR768831A - Railway car tipping device without the use of a tipping platform : en fr
  • FR769068A - Device for emptying, by means of a dispenser-gauge, a standard-type milk jug : en fr
  • GB414792A - Rust and scale removing tool : en
  • US1970044A - Folding spectacles : en
  • US1969971A - Marker for shoe uppers : en
  • US1970118A - Safety razor blade sharpening roll : en
  • CA343931A - Temperature indicator for electrical apparatus : en fr
  • CH171200A - Removable box with metal corners. : en fr
  • US1969769A - Process of extracting metals from ores : en
  • US1970403A - Wrench : en
  • AU1387933A - Improvements in and connected withthe housing and feeding ofthe cutter blades inwood working planes : en
  • CA343923A - Gate-valve device : en fr
  • CH171112A - Three-way or multi-way tap, especially for coffee machines, the paths of which start at different points from a cylindrical central longitudinal chamber. : de en
  • US1969968A - Burner control apparatus : en
  • US1970425A - Auxiliary fueling for internal combustion motors : en
  • CA343954A - Container and closure : en fr
  • CA343891A - Concrete treating apparatus : en fr
  • ES2290Y - Device that allows obtaining two or more simultaneous views or projections. : en es
  • FR768927A - Soles with ventilation chambers and their application to shoes : en fr
  • FR768999A - Remote transmission system with several concentric double lines united in a cable : en fr
  • CH171166A - Device for soldering the power supply wires of electric lamps and discharge vessels to the base. : de en
  • CA343951A - Sanitary napkin making machine : en fr
  • ES2464Y - Hermetic adjustment type applicable to closing bottles, jars, barrels, pipes and, in general, to all kinds of containers and joints of any size, destination material. : en es
  • US1970521A - Freeness tester : en
  • CH171213A - Anti-skid device on pneumatic wheels of motor vehicles. : de en
  • US1970294A - Poultry bleeder and braining device : en
  • USRE19275E - Transmission control : en
  • US1970001A - Vehicle construction : en
  • USD92994S - Design tor fabric or similar : en
  • CH171079A - Sound film system. : de en
  • CH171240A - Method for the preparation of a cardiac active glucoside. : de en
  • US1970368A - Printing press : en
  • US1969848A - Mail chute : en
  • US1970030A - Tractor for semitrailers : en
  • US1970501A - Firearm : en
  • CA343881A - Pharynx treating instrument : en fr
  • US1970488A - Device for arresting cinders, flyash, etc. : en
  • USD93001S - Design for a cigarette holder or : en
  • CA343959A - Heating apparatus : en fr
  • FR768899A - Resilient bearing for pivot, particularly for the balance axis of clockwork movements : en fr
  • US1970287A - Sound and moving picture reproducing machine : en
  • CH171189A - Modulation device for radio transmitter. : en fr
  • US1970328A - Preformed structural unit and method of making the same : en
  • US1969756A - Incense burner : en
  • US1970219A - Device for indicating temperature : en
  • US1970435A - Balanced turbine or pump runner and method of balancing : en
  • US1970460A - Envelope moistener and sealer : en
  • US1970472A - Lens strap for spectacles : en
  • ES134677A1 - Procedure for the preparation of an anti-knock fuel for engines. : en es
  • ES134983A1 - Improvements in cigarette lighters. : en es
  • US1969864A - Oil cooler : en
  • CH171117A - Elevator with endless chains and two stops. : de en
  • US1970494A - Vehicle signal : en
  • USD93024S - Design fob a muffler : en
  • US1969824A - Radiator core : en
  • US1969941A - Submarine rescue device : en
  • USD93049S - Design fob an extensible grille : en
  • CA343875A - Gear case cleaning apparatus : en fr
  • CA343993A - Electrical device enclosure : en fr
  • CH171000A - Winding machine with stationary winding units. : de en
  • CH171225A - Motor vehicle with a driver's cab for both directions of travel. : de en
  • US1969958A - Safety grip for bathtubs : en
  • ES134786A1 - Disconnector and automatic safety connector for electric elevators with alternating or continuous current. : en es
  • FR769026A - Rack and pinion control device : en fr
  • GB414866A - Improvements relating to coating compositions employed in testing oil containers andthe like for the presence and quantity of water : en
  • FR768855A - Suspension device for tracked vehicle : en fr
  • ES2449Y - Puree press. : en es
  • GB415099A - Improvements in roller driving gear of spinning, twisting and similar machines for the production of irregularly spun yarns : en
  • FR768918A - Control system for tubular frame motor cars : en fr
  • GB414874A - Improved device for operating discharge tubes having incandescent cathodes : en
  • GB414908A - A new or improved machine for distributing washers upon cores in moulds, or for likepurposes : en
  • GB415086A - Improvements in or relating to methods of making heat treated white cast iron and the improved iron produced thereby : en
  • FR769118A - Improvements in plants for spinning and finishing artificial silk : en fr
  • ES134852A1 - A process for making briquettes capable of reacting and burning without smoke. : en es
  • FR768784A - Process for the preparation of n (gamma-alkoxy-beta-oxypropyl) n-butylaminobenzol and its derivatives : en fr
  • FR768930A - Device for balancing the pressure in the tires and for signaling deflation : en fr
  • FR769035A - metal screen for incandescent lamps of automobile headlights : en fr
  • GB415030A - Improvements in or relating to rotary fluid motors, compressors and the like : en
  • FR769076A - Crimping of closure caps on smooth-rimmed containers : en fr
  • GB414857A - Improvements relating to bearings : en
  • US1969992A - Protector for electric circuits : en
  • DE601335C - Process for the production of an alkaline-acting mixed fertilizer containing nitrogen, phosphoric acid and potash : de en
  • GB414997A - Temperature compensation in electrical meter devices with cuprous oxide rectifier : en
  • ES2473Y - Automatic closure-seal device. : en es
  • GB414906A - Tubular heat exchange apparatus for fluids applicable to the cooling of lubricating oil by water, and for other like applications : en
  • ES134552A1 - An apparatus for defrosting oil encased in drums. : en es
  • FR769029A - Improvements to the bases of incandescent electric lamps : en fr
  • GB414892A - Improvements relating to insulator bushings for the electrodes in electric gas or vapour discharge devices : en
  • USD93026S - Design for a brush : en
  • FI16029A - Hydraulic clutch balancing load and speed : en fi
  • ES134742A1 - A process for the manufacture of sweetened carbonated beverages. : en es
  • GB414856A - Improvements in optical systems for cystoscopes and the like : en
  • US1970500A - Boiler construction : en
  • DE601437C - Limit gauge (tolerance or fit gauge) : de en
  • FI16042A - Sliding barrier formed partly of transverse and partly of parallel hokes : en fi
  • FR768757A - Improvements to needle selection systems by jacquard mechanics, in single or multiple drop straight knitting machines : en fr
  • FR768934A - Heat resistence : en fr
  • DE601527C - Mobile, erectable and extendable ladder with an erecting traction device acting on the foot of the ladder : de en
  • FR768960A - Oscillating Shaft Pumps Improvements : en fr
  • GB414832A - Improvements in or relating to window or like curtains : en
  • FR768993A - Improvements to television systems : en fr
  • FR769039A - Improvements to gyratory crushers : en fr
  • GB414917A - Improvements in or relating to outgo pipes from water-closet pans : en
  • US1970410A - Extension table : en
  • GB414935A - Improvements in or relating to spring devices particularly for the valves of internal combustion engines : en
  • DE601473C - Secondary draft regulator for firing systems and ventilation systems : de en
  • GB414858A - A device for use in conjunction with telephones for notifying to the caller the time of the return of the subscriber who is absent when called : en
  • GB414971A - Improvements in or relating to the packing of food and similar products : en
  • FR768897A - Double cardan joint : en fr
  • GB414904A - Improvements in telephone systems : en
  • CH171092A - Hand plane with electric motor. : de en
  • CH171137A - Device for compensating for ampere winding differences on transformers whose primary and secondary windings are divided into spatially separated sections and are arranged in different ways within the individual sections. : de en
  • US1969851A - Windshield for automobiles : en
  • DE601322C - Carrying device : de en
  • DE601464C - Device for evaporation of solutions through circulation : de en
  • GB414925A - Method and device for producing pin hinges : en
  • GB415008A - Improvements in fuel pumps for internal-combustion engines : en
  • GB415012A - Improvements in and relating to the production of wire wheels and an improved spoke therefor : en
  • ES134750A1 - Perfeccionamientos in the machines of cut the hair with electrical accionamiento. : en es
  • ES133964A1 - Eccentric turbine. : en es
  • GB415073A - Improvements in or relating to the preservation of rubber : en
  • US1970251A - Mechanical movement : en
  • USD93012S - Design for a burial casket : en
  • FR768926A - Further training provided in the establishment of safety razors : en fr
  • DE601581C - Lock security : de en
  • ES134602A1 - Improvements introduced in the manufacture of footwear. : en es
  • GB415004A - Improvements in or relating to bearings : en
  • ES2440Y - Registration plate for cars. : en es
  • FI16044A - Lock cover : en fi
  • USD93047S - Design for a lamp : en
  • GB414983A - Improvements relating to liquid fuel injection pumps : en
  • GB415397A - Improvements in or relating to sliding clasp fasteners : en
  • DE601375C - Overcurrent time release in which the timer is driven by a running motor : de en
  • ES134979A1 - Method of manufacture of mixed traca in all colors. : en es
  • US1969783A - Liquid gauge : en
  • US1970390A - Braider carrier : en
  • US1970046A - Spark plug : en
  • FR768905A - Improvements to stoves and gas stoves : en fr
  • FR768949A - Method and apparatus for recording sound : en fr
  • ES134774A1 - Installation for the use of the force of the waves of the sea. : en es
  • GB415120A - Pliers, clippers or pinchers : en
  • ES2523Y - Balloon holder with light, diffuser adaptable directly to electric bulbs. : en es
  • FR768764A - Light panel : en fr
  • ES2428Y - New sugar case : en es
  • GB414804A - Improvements relating to heating apparatus for buildings : en
  • ES2493Y - Pop-up cardboard box. : en es
  • ES134080A1 - An apparatus for defibrating stems of plants, for example, of broom and the like, to produce textile fibers. : en es
  • FR768890A - Point marker for various games : en fr
  • GB414884A - Improvements relating to electric clocks : en
  • US1969795A - Gasket : en
  • US1970056A - Tool chuck : en
  • DE601312C - Process for the production of a set for degassing ovens, in particular from badly baking bituminous coal : de en
  • CH171049A - Tear-off calendar. : de en
  • ES2429Y - Finned tubes for heating appliances. : en es
  • GB414844A - Improvements in and connected with printers' chases : en
  • GB415078A - Improvements in radio receiving apparatus : en
  • ES134636A1 - Induction furnace without core. : en es
  • ES134849A1 - An improved system device for maintaining a constant temperature in cold rooms. : en es
  • US1970121A - Cross rolling machine : en
  • US1970188A - Winding machine with mechanical charging of bobbins : en
  • US1970307A - Knitting bag : en
  • US1969970A - Shoe : en
  • CA343929A - Electric distribution system : en fr
  • CA343884A - Colour cinematography : en fr
  • ES134710A1 - Procedure for the production of sausages or minced sauces. : en es
  • GB414920A - Frame or stand for gas stove : en
  • US1970016A - Tool holder : en
  • US1970310A - Electrooptical system : en
  • USD93061S - Design for a shoe : en
  • CA343912A - Granular material conveyer : en fr
  • DK49118C - Swimming figure. : da en
  • US1969937A - Method of treating molds : en
  • CH170997A - Dosing and filling device for liquids. : de en
  • USD93035S - Design foe a lace table cloth : en
  • ES134703A1 - A method of winding raw silk. : en es
  • ES134829A1 - Device for the production of pulsating or alternative high frequency currents. : en es
  • USD92998S - Design fob a shoe : en
  • US1970041A - Bracelet : en
  • US1969723A - Folding table : en
  • US1970400A - Bracelet chain : en
  • CA343871A - Warping spool : en fr
  • ES134728A1 - Improvements in cutting devices, especially in shaving machines. : en es
  • ES134812A1 - PROVISION TO TRANSMIT SIGNAL CURRENT IMPULSES IN TELECOMMUNICATION SYSTEMS WITH DISTURBING LEVEL : en es
  • FI16035A - Method of keeping animal feedingstuffs fresh : en fi
  • US1969874A - Tooth cleaning device and composition : en
  • US1969895A - Phonograph record and method of playing same : en
  • FR768957A - System of expandable segments, ensuring by pressure the sealing of the rods and pistons of engines, pumps and other similar devices : en fr
  • FR769049A - Mobile wall-mounted circular saw for bench or other work : en fr
  • GB415076A - Improvements in or relating to variable speed power transmission mechanism : en
  • ES134897A1 - CROSS WINDING MACHINE WITH SLOTTED DRUM AND ORGAN FIRING GUIDE : en es
  • FR768889A - Process for the production of azo dyes : en fr
  • ES2450Y - Device for disinfection of microphones. : en es
  • ES2801U - Hygienic device applicable to headphones. (Machine-translation by Google Translate, not legally binding) : en es
  • ES2818U - Folding chair. (Machine-translation by Google Translate, not legally binding) : en es
  • ES134620A1 - Transformer for electric arc welding. : en es
  • FR768830A - Device for milking machines : en fr
  • US1970133A - Pump : en
  • US1969781A - Aircraft of the rotative sustaining wing type : en
  • ES134589A1 - An apparatus and its smokeless lighting procedure for obtaining instant photographs. : en es
  • ES134804A2 - EXTENSIONS IN THE OBJECT OF THE MAIN PATENT NUMBER 132075 : en es
  • USD93006S - Design for an illuminated artificial : en
  • GB414958A - Improvements in and relating to drinking troughs for animals : en
  • DE571779C - Three-phase magnet for brakes or the like : de en
  • DE601385C - Device for cutting off razor blades that are perforated on the band and notched with a piece of scrap in between : de en
  • ES134762A1 - Perfection related to an apparatus for infusions of coffee, tea or other substances applicable to heat water and similar uses. : en es
  • GB414885A - Improvements in and relating to pressure fluid containers : en
  • ES134541A1 - CART SWITCHING DEVICE ON TYPEWRITERS : en es
  • ES2392Y - Die for cutting and drilling rubber floors. : en es
  • US1970032A - Fruit washer brush holder : en
  • ES134839A1 - IMPROVEMENTS IN ARADOS : en es
  • FR768881A - Machine for removing tubers, such as potatoes for example : en fr
  • ES2448Y - Automatic toothpick box for toothpicks or cigarette holders. : en es
  • GB415049A - Improvements in or relating to floor coverings and the like : en
  • CH171115A - Gear for motion conversion. : de en
  • US1970205A - Machine for drawing and cutting stock : en
  • US1970431A - Method and apparatus for making shingle elements : en
  • US1970120A - Heat insulated receptacle : en
  • US1969802A - Packing holder for fragile articles : en
  • ES134995A1 - Improvements in the construction of silos for the conservation of forages. : en es
  • US1970007A - Blown fuse signal : en
  • US1970313A - Autographic register : en
  • USD93053S - Design for a bathing cap : en
  • GB414825A - Improvements in or relating to blood transfusion devices : en
  • GB414887A - Improvements in screw drivers : en
  • US1970218A - Hand-operated, electric controlled, tapping device : en
  • DE601571C - Fire-proof container for storing films, x-ray films, etc. : de en
  • ES134901A1 - A machine for stamping oranges and similar fruits. : en es
  • ES2338Y - Developer cylinder for cards. : en es
  • CH171210A - Windshield cleaners for vehicles. : de en
  • CH171217A - Pressure medium control device for speed change transmissions of motor vehicles, in particular rail cars. : de en
  • US1970237A - Blow torch : en
  • ES134685A3 - Improvements in the manufacture of sound-tight telephone mouthpieces. : en es
  • FR768876A - Stabilizer, mainly intended for motor cars : en fr
  • GB414783A - Improvements in alloys : en
  • FR768935A - Method and apparatus for projecting lenticular grating films : en fr
  • ES134672A1 - Spark plug with new double spark ignition system. : en es
  • GB415107A - Improvements in electrically heated hot plates : en
  • CA343972A - Air brake : en fr
  • CH171029A - Apparatus for the distillation of liquids. : en fr
  • DE601441C - Pipe connection or coupling, especially for pipes made of soft metal : de en
  • US1970340A - Defrosting apparatus : en
  • USD93071S - Design fob a bottle : en
  • GB415061A - Improvements in the process of treating blocks of artificial stone with steam and hot air, and in apparatus therefor : en
  • FR768782A - Method for quenching band saw teeth : en fr
  • US1969960A - Drink dispenser : en
  • DE601299C - Dice device : de en
  • DE601491C - Method for the loose storage of coal encased in coking chambers : de en
  • ES134990A1 - Improvements in the preparation of the welding rods. : en es
  • DE601288C - Tension pulley gear for belt transmission : de en
  • US1970085A - Method and apparatus for making tubular rivets and the like : en
  • CA344012A - Headlight indicator : en fr
  • FI16005A - Strange-shaped cradle with stick, slang-shaped hollow, specially designed to lead the cable (cable) as an anchor for the first time : en fi
  • GB414901A - Improvements in or relating to winding-up and unwinding devices of an endless band wound up, except for a loop, in superposed layers forming a spiral : en
  • ES2481Y - Strainer-tap. : en es
  • ES133787A1 - New improvements to join the two threads of a loop sealing them, seal and new useful for the implementation of this procedure. : en es
  • ES134938A1 - A Roman billiard of mechanical start-up. : en es
  • GB414734A - A process and apparatus for intimately contacting immiscible or partially miscible fluids in a washing or extraction process : en
  • US1969832A - Method of freezing fish and other foodstuffs : en
  • US1970315A - Selector system for radio receiving apparatus : en
  • CH171083A - Process for the production of alloys of the alkaline earth metals. : de en
  • DE1300450U - : de en
  • US1970449A - Antifriction bearing : en
  • US1970341A - Toy automobile hoist : en
  • AU1620934A - Improvements in corsets, surgical supports andthe like : en
  • CH171146A - Method for sending out certain pulse sequences in telecontrol systems operating according to the pulse number method using a contact selector influenced by a pulse generator. : de en
  • FR768758A - Improvements to traction sulphates : en fr
  • ES134878A3 - An automatic shuttle change system for looms with one or more wefts. : en es
  • DE601540C - Process for the production of resinous condensation products from phenols and formaldehyde : de en
  • US1969938A - Method of making composite paper : en
  • US1970112A - Method and apparatus for making glass with salt : en
  • US1970259A - Shoe presser element : en
  • US1970300A - Process for the operation of the vaporizers of air resolution plants : en
  • CH171114A - Rolling element planetary gear. : de en
  • US1969796A - Separable fastener and installation thereof : en
  • US1969835A - Flexible pocket receptacle : en
  • US1969837A - Testing fixture for gear cutters : en
  • US1970531A - Road scarifier : en
  • US1970039A - Lavatory valve : en
  • ES134880A3 - A mechanical raster button. : en es
  • DE601328C - Aluminum solder : de en
  • FR769019A - Elastic support with constant reaction : en fr
  • ES134480A1 - A process for manufacturing artificial leather. : en es
  • ES134973A3 - Procedure for the manufacture of rubber. : en es
  • FR768759A - Tie : en fr
  • CH171172A - Medical lighting and heating device. : de en
  • DE601558C - Toothbrush with two brush bodies arranged on a stem : de en
  • DE599772C - Method and device for sorting paper or similar materials in web or sheet form : de en
  • DE601456C - Device for cleaning blankets, fabrics, etc. : de en
  • ES134503A1 - A process for the manufacture of packings or packing intended to seal the containers containing all kinds of fluid liquids and water vapor at high and low pressures based on the cork as an elastic body. : en es
  • ES134817A1 - A cap system for electronic lamps. : en es
  • GB414875A - Price indicating means for use in vending volatile liquids : en
  • FR769000A - Hanging device for paintings, mirrors and the like : en fr
  • CA343950A - Sanitary napkin making machine : en fr
  • US1970349A - Package wrapper : en
  • ES2495Y - New knitwear stocking. : en es
  • US1970070A - Dyeing preparation and its conversion to dyestuffs : en
  • CH171205A - Automatic disengagement and engagement device for clutches, in particular for those between the engine and the subsequent drive part in motor vehicles. : de en
  • IE13170L - Well boring : en
  • US1970498A - Combined electrical motor and generator : en
  • ES135001A3 - Fabric or waterproof fabric with sparkling made of animal hair. [GOES TO UTILITY MODEL No. 2026]. : en es
  • FR768864A - Device for dividing a light beam into two equal and parallel parts : en fr
  • US1970257A - Method of securing together shoe parts and the like : en
  • CH171202A - Connection of the upper frame to the lower frame in road and rail vehicles. : de en
  • US1970418A - Switch attachment for cameras and the like : en
  • CH171015A - Method of decorating pieces of fabric cut for use and pieces of fabric decorated according to the same. : de en
  • FR768970A - Objects of porcelain and stoneware of great compactness and uniformity, and method for their manufacture : en fr
  • ES134718A1 - An improvement in the manufacture of wooden wheels for bicycle wheels. : en es
  • ES134723A1 - A procedure for obtaining fabrics, sponges and similar materials that, by impregnation in a special preparation, clean all kinds of unnatural spots on human skin. : en es
  • CA343961A - Oil burner safety apparatus : en fr
  • CH170987A - Support cushions, in particular upper mattresses or upholstered furniture seat cushions. : de en
  • CH171002A - Heald frame with electrical chain thread monitor device. : de en
  • ES134652A1 - A process for preparing lactones with a large number of links having more than eleven carbon atoms in the lactone nucleus. : en es
  • US1970117A - Razor blade sharpener operating means : en
  • US1970156A - Motor vehicle assembly : en
  • US1970351A - Pivotable window construction : en
  • US1970393A - Method of and means for connecting reservoirs to fluid filled cables : en
  • ES2536Y - Shovel for use in baking ovens : en es
  • ES134715A1 - Improvements in the vane wheel fans. : en es
  • ES134757A1 - Sound controller device applicable to intermediate cards or repasadoras. : en es
  • ES2806U - A new ashtray model (Machine-translation by Google Translate, not legally binding) : en es
  • FR768879A - Photoelectric amplifier device : en fr
  • ES134298A1 - Arrangement to regulate the power of the freely flying piston compressors. : en es
  • GB414998A - Color-filter material and preparation thereof : en
  • US1969860A - Plow : en
  • USD93080S - Design for a lace tablecloth : en
  • US1970073A - Automobile smoking set : en
  • US1970506A - Spool covering machine : en
  • ES2805U - Armchair transformable in bed (Machine-translation by Google Translate, not legally binding) : en es
  • US1969901A - Chair : en
  • US1970081A - Heated hand-covering : en
  • US1970119A - Stropper roll : en
  • US1970154A - Submersible motor construction for deep well pumps : en
  • ES134737A1 - A coating system for walls or other walls. : en es
  • FR768955A - Remote signaling cable particularly intended for the transmission of high frequency currents : en fr
  • US1969924A - Cable winding device : en
  • US1970209A - Furnace structure : en
  • US1970221A - Air supply means and method for cupolas : en
  • US1970262A - Safety device for die presses : en
  • US1970185A - Pitman arm for looms : en
  • US1970361A - Liquid dispensing apparatus : en
  • CA343939A - Non-corrosive alcohol : en fr
  • CH171122A - Piston spinning pump. : de en
  • US1969734A - Automatic armature winding machine : en
  • US1969862A - Latch mechanism for cake formers and the like : en
  • USD93056S - Design for a brake extension lever : en
  • US1970092A - Wheel aligner : en
  • US1970270A - Process of dissolving cellulose : en
  • DE596629C - Volume regulator for liquids : de en
  • ES134692A1 - A dirigible balloon provided at its extremities with one or more protective chambers against the flammable gases contained in the balloon. : en es
  • ES134735A1 - A process for the manufacture of filler material for the welding of aluminum parts or their alloys. : en es
  • CH171232A - Process for the production of a new azo dye. : de en
  • ES134014A1 - Method of manufacturing a means to protect human skin against irradiation. : en es
  • CH170992A - Suspension device for the lids of vessels. : de en
  • DE601255C - Process for the production of vulcanized rubber : de en
  • FR769010A - Process for the preparation of vinyl derivatives : en fr
  • US1969987A - Starter drive : en
  • US1970528A - Drawing mechanism for spinning frames and similar machines : en
  • US1969770A - Production of textile materials : en
  • US1970330A - Screening and refining of fiber : en
  • DE601502C - Device for separating solid or liquid components from gases or vapors : de en
  • ES133862A1 - An apparatus to transform electrical energy into lighting energy. : en es
  • ES134668A1 - A new device for measuring and distributing oils. : en es
  • DE601360C - Collection screen for devices for evaluating measurement images : de en
  • CH171193A - Wrapping paper for goods suitable for creating an advertising effect. : de en
  • US1970334A - Transmission control circuits : en
  • US1970507A - Power rectifying and speed control system for direct current motors : en
  • CH170967A - Process and extrusion press for degassing kneadable press material. : de en
  • ES134712A1 - An improvement in the conductions of liquids from deposits in which they are expelled under forced pressure. : en es
  • ES134783A1 - An apparatus for wetting and drying in continuous work of freshly spun artificial silk yarns. : en es
  • ES134831A1 - Procedure for making chestnut rings or any other fibrous wood intended for pipería, packing boxes and the like. : en es
  • ES2388Y - Lock with security device and alarm. : en es
  • GB414776A - Improvements in and relating to hand operated cultivators : en
  • GB414860A - Spraying device : en
  • US1970444A - Weft pile fabric loom : en
  • US1970407A - Pyrometer lamp : en
  • DE598880C - Pipe steam generator with forced flow of the working medium : de en
  • FR769006A - Apparatus to achieve the undulating waving : en fr
  • US1970038A - Sound reproducing device : en
  • US1970457A - Construction of floors, walls, etc. : en
  • US1970474A - Retaining device for artificial dentures : en
  • USD93014S - Design fob a shoe : en
  • US1969780A - Measuring sugar server : en
  • US1969920A - Lubrication device : en
  • US1970387A - Bed bottom : en
  • USD93057S - Design fob a sandal : en
  • CH171086A - Automatic machine for setting rivets composed of a male element and a female element. : en fr
  • USRE19274E - Process of treating heavy : en
  • AU1596334A - Improvements inthe recoating of surfaces of pipes : en
  • CH171179A - Device for curling the hair. : en fr
  • CH171021A - Ski shoe with toe strap. : de en
  • AU1235133A - Improvements in or relating to method and apparatus forthe manufacture of rubber thread : en
  • CH171024A - Pasta machine. : de en
  • ES134109A1 - NEW CONSTRUCTION SYSTEM OF CONCRETE REINFORCED ROOFS FOR DRIVES : en es
  • ES135008A1 - Procedure for obtaining artificial spare parts for the interior of the human or animal body, especially spare chewing apparatus. : en es
  • ES2527Y - Self-threaded shuttle. : en es
  • US1970147A - Method of treating recovered sulphur : en
  • US1970514A - Thermostatic switch : en
  • US1969880A - Fire extinguisher : en
  • US1969852A - Infra-red ray converter : en
  • NL33315C - roentgen appliance : en nl
  • US1970526A - Register : en
  • CH170956A - Rolling safety grilles on doors, windows and the like. : de en
  • CA343942A - Angle cock device : en fr
  • DE601398C - Electrically heated oven : de en
  • ES134991A1 - A distributor of candles that works by the introduction of a piece of currency. : en es
  • CA343998A - Telephone system : en fr
  • ES2463Y - Wardrobe. : en es
  • FR769066A - Automatic stabilizer device for mechanical handling equipment and other applications : en fr
  • GB415452A - Improvements in or relating to surface-grinding machines : en
  • CA343910A - Snow removing device : en fr
  • AU1674834A - An improved castrating, tailing and dehorning instrument : en
  • CA343963A - Cigar bunch machine : en fr
  • CH171219A - Bogie. : de en
  • AU1678734A - An improved composition for the treatment of the feet of sheep and cattle : en
  • US1970468A - Tire pressure indicator : en
  • US1969830A - Carton filling machine : en
  • US1970192A - Surfacer mounting : en
  • GB414961A - Improvements relating to electric hand boring machines with cooling arrangements : en
  • US1969897A - Hollow rivet : en
  • US1969961A - Burner control apparatus and system : en
  • US1970059A - Pipe coupling : en
  • FI16017A - Dust cover for balconies : en fi
  • GB414940A - An improved cavity brick for building purposes : en
  • GB415416A - Improvements in or relating to seats for water closets : en
  • US1969884A - Small road joint machine : en
  • USRE19271E - Lighting system for : en
  • US1970326A - Brick wall and waterproofing means therefor : en
  • CH171196A - Show stand. : de en
  • USD93069S - Design fob a bottle : en
  • US1970290A - Vacuum cleaner : en
  • FR768958A - Enhancements to t.s.f. receptors : en fr
  • ES134869A1 - Provision provided with a heat accumulator for cooking, roasting, toasting and the like. : en es
  • FR768980A - Improvements in the construction of sheet metal elements for roll-up curtains and iron with articulated elements : en fr
  • FR769065A - Signaling device for pedestrian crossings : en fr
  • US1970067A - Process for the production of ageresisting iron and steel : en
  • US1970234A - Means for and method of humidifying air : en
  • GB414781A - Improvements in and relating to pulverising machines : en
  • ES2400Y - Perfected barrel stopper. : en es
  • DK49125C - Pessary with valve closure and hollow shaft. : da en
  • GB414948A - Improvements in or relating to lubricating media : en
  • CH170949A - Mower. : de en
  • GB414824A - Electric accumulator : en
  • GB414979A - Improvements in or relating to hydraulic couplings : en
  • CH170979A - Fluff. : de en
  • DE587175C - Propeller driving device using wind power : de en
  • CH171046A - Method and device for manufacturing cardboard containers with four side walls. : de en
  • US1970414A - Wall structure : en
  • CA344005A - Vending machine : en fr
  • US1970332A - Automobile signal : en
  • FR768772A - Piston packing : en fr
  • FR769111A - : fr
  • GB415096A - Improvements relating to roofing structures for containers : en
  • AU1487433A - Improvements relating to printed waxed paper : en
  • CH171116A - Device for pressurized lubrication of a machine member movable relative to a stationary oil supply source and in particular of a connecting rod head on the crankshaft. : en fr
  • CH171239A - Method for the preparation of a cardiac active glucoside. : de en
  • US1969814A - Internal combustion engine : en
  • US1969943A - Attachment for jacks : en
  • US1969789A - Pipe joint : en
  • US1970012A - Welding torch : en
  • US1970159A - Automobile tire skate : en
  • USD93019S - Design for an edible container for : en
  • US1969740A - Method of and machine for shaping lasts : en
  • US1970475A - Automatic fuel cut-off : en
  • DE601388C - Washing machine or the like with a drum : de en
  • US1969863A - Air conditioning device : en
  • US1969899A - Coffee grinder attachment : en
  • US1969980A - Ammonium salt : en
  • US1970296A - Air conditioner : en
  • CH171199A - Packet of cigarettes. : de en
  • US1970356A - Rotary printing press : en
  • CA343893A - Table : en fr
  • CH171048A - Tear-off pad. : de en
  • CH171143A - Device for interrupting AC circuits. : de en
  • FR768849A - Assembly strip for superheater element : en fr
  • CA343905A - Arcuate truss : en fr
  • CH170989A - Folding device for tables, chairs, shelves etc. : de en
  • CH171167A - Electric discharge tube. : de en
  • CH171178A - Process for disinfecting and deodorising. : de en
  • US1969778A - Switch device : en
  • US1969813A - Door control device : en
  • US1969997A - Hydraulic wheel feeding mechanism : en
  • US1969763A - Locomotive piston rod crosshead : en
  • ES134009A1 - A method of preparing explosives. : en es
  • GB415082A - Improvements in and relating to roofs for vehicles : en
  • CH170953A - Glass pane fastening device on skylights. : de en
  • CH171197A - Support presenting an enclosure for objects, food, etc., staying in a room or in the open air. : en fr
  • AU1411533A - Improved sterilizer particularly applicable for treating milk and cream containers : en
  • CH171105A - Process for the production of dye coatings on polished metal surfaces. : de en
  • CH171119A - Cable winch set up for motorized drive. : de en
  • CH171204A - Device for the automatic control of the idling speed of the drive motor of motor vehicles with a freewheel device. : de en
  • CA343946A - Glass article treating method : en fr
  • ES134892A1 - Improvements introduced in the manufacture of frozen chocolates. : en es
  • FR768872A - Electromagnetic warning device, especially for vehicles : en fr
  • CH171194A - Luminous sign. : en it
  • US1969741A - Ethanolamine salt of cellulose esters containing dicarboxylic acid radicals and its preparation : en
  • US1969963A - Chlorophenylphenol and method of making same : en
  • US1970459A - Plating rack : en
  • NL33328C - : en
  • US1969717A - Vacuum machine : en
  • US1970443A - Loom for weaving weft pile fabrics : en
  • US1970479A - Clevis hook : en
  • US1969844A - Shock absorbing vehicle frame : en
  • US1970096A - Calculating machine : en
  • US1969996A - Water circulating pump : en
  • US1970320A - Tunnel kiln : en
  • CH170980A - Automatic basket conveyor device on dish washing machines. : de en
  • US1969946A - Feed table for sheet feeding mechanism : en
  • AU1392333A - Improvementlin'!lubricating oils : en
  • US1969950A - Sewing machine attachment : en
  • CA343864A - Manicuring instrument : en fr
  • ES134161A3 - A procedure for the manufacture of solid food for animals. : en es
  • ES134726A1 - Procedure for the manufacture of iodogenic dressings. : en es
  • ES2017Y - Bottle cap with safety valves. : en es
  • GB414994A - Improvements in or relating to fastening hooks for bracelets, watch wristlets and the like : en
  • ES134840A1 - Improvements in the methods of simultaneous folding of the ends of paper containers and other material of frusto-conical shape. : en es
  • ES2472Y - Perfected flap closure for cardboard or cardboard boxes or containers. : en es
  • GB415383A - Improvements in the manufacture of carbohydrate compounds : en
  • US1970510A - Resin and balsam prepared with the aid of an inorganic body and process of making same : en
  • CA343958A - Spreader : en fr
  • CA344009A - Concentrator : en fr
  • CH171164A - Gas burner. : de en
  • US1969964A - Regulator valve : en
  • US1970517A - Double acting electrohydraulic operator : en
  • USD93002S - Design fob a corner plate for : en
  • US1970033A - Fluid compressor : en
  • CH171175A - Process for the production of a preparation by means of which dental and jaw diseases can be prevented or treated. : de en
  • US1969787A - Journal box dust guard : en
  • US1970303A - Method of purifying ammonium thiocyanate : en
  • US1970298A - Window : en
  • NL33393C - : en
  • US1969718A - Water sprinkler : en
  • US1970100A - Endless track : en
  • US1969812A - Quick action valve : en
  • US1970173A - Card table cover : en
  • CA343868A - Tobacco pipe and cigar holder : en fr
  • DE601545C - Electromagnetic time relay : de en
  • ES131217A1 - Procedure for manufacturing a device to prevent the filling of bottles. : en es
  • FR768938A - Process for manufacturing pots, pans and the like molded from pure aluminum or from an aluminum alloy, and apparatus for carrying out this process : en fr
  • US1970391A - Machine for spreading and surfacing road material : en
  • CH171207A - Alarm device, in particular for motor vehicles. : de en
  • US1970047A - Manufacture of match packages : en
  • ES134957A3 - A procedure for the production of natural sparkling wines. : en es
  • ES134752A1 - New procedure for the waterproofing of paper pulp, wood or rags. : en es
  • ES134906A1 - Procedure to treat fresh fruit to prevent it from rotting. : en es
  • FR769060A - Ash and tobacco residue evacuation device : en fr
  • DE601338C - Cap insulator in which the cap and insulator head are provided with conical beads and connected by a spout : de en
  • US1969873A - Grapple : en
  • US1970150A - Ophthalmic instrument : en
  • FR768932A - Resilient device for fixing tanks or other tanks to wagon frames : en fr
  • US1970050A - Hose coupling : en
  • CH170952A - Beehive with separate brood and honey room. : de en
  • US1970226A - Bottle dispensing refrigerator : en
  • US1970378A - Vehicle supporting dual wheel assembly : en
  • CA343996A - Impulse transmitter : en fr
  • DE601394C - Process for smoldering fine-grained or dust-shaped coal : de en
  • DE601439C - Milling hoe in which the star wheels and a pendulum hoe are mounted on a common frame : de en
  • ES134683A1 - A procedure of construction of continuous elastic pavement executed in cold on any firm base. : en es
  • CA343874A - Dental crown : en fr
  • US1969886A - Method of manufacturing ferro alloys : en
  • US1970165A - Oil seal : en
  • US1970529A - Turbulent radiant combustion chamber : en
  • CH171037A - Process for the preparation of a diphenyldiamino-oxybenzene. : de en
  • ES134611A1 - Improvements in vulcanization procedures. : en es
  • ES134941A2 - IMPROVEMENTS IN SUBMARINE CABLE SYSTEMS : en es
  • US1969750A - Silica brick : en
  • US1969732A - Production of ortho-dihydroxy benzenes : en
  • US1970268A - Method and means for bright finishing metals : en
  • USD92996S - Pyrophoric lighter : en
  • CA343899A - Kinematograph apparatus : en fr
  • US1970143A - Process of refining gasoline with zinc chloride : en
  • US1970179A - Power wrench : en
  • US1970083A - Sulphuric acid ester of anthranols : en
  • USD93050S - Design for an extensible grille : en
  • CH171186A - Circuit arrangement for telephone systems with branch points that can be called optionally and located on a common line. : de en
  • CA343877A - Filament, thread and ribbon manufacture : en fr
  • US1969764A - Electrical apparatus : en
  • US1970181A - Back pressure control mechanism for machine tools : en
  • US1969749A - Bearing and friction lock : en
  • US1969982A - Light beam reflecting and controlling means : en
  • DE601249C - Kitchen table that can be used as a washbasin and pull-out table : de en
  • DE601352C - Selective protection arrangement : de en
  • US1970527A - Quadding and centering device for typographical machines : en
  • US1970426A - Paper making process : en
  • CH171060A - Colored chalk. : de en
  • US1969857A - Seed immunizing medium : en
  • CH171158A - Ion valve for converting direct current into alternating current or alternating current with a different frequency. : de en
  • ES134661A1 - A CONDENSER FOR STEAMED SULFUR : en es
  • US1970140A - Switch control system and apparatus : en
  • US1970322A - Steam engine valve : en
  • CH170995A - Spreader capsule bottle closure. : de en
  • DE601307C - Injection internal combustion engine with self-ignition and an air reservoir arranged in the cylinder head and opening into the combustion chamber : de en
  • FR768826A - Improvements to mercury switches : en fr
  • US1969735A - Manufacture and use of new anthraquinone derivatives : en
  • US1970284A - Process of refining hydrocarbon oils : en
  • US1970276A - Unit spindle bearing assembly : en
  • US1970412A - Means for opening and closing circuits at regular intervals : en
  • CH171104A - Tension frames for fabric, in particular for stencil duplication. : de en
  • CH171156A - Device for operating high-voltage discharge vessels with hot cathodes. : de en
  • AU1382133A - Hinges for expansible suit cases, trunks and the like : en
  • CH171025A - Machine for tenderizing meats. : en fr
  • US1970280A - Siliceous product and process of making the same : en
  • US1970193A - Method of packaging : en
  • DE601543C - Process for the production of mixed fertilizers in spherical form : de en
  • ES135006A1 - A process for the preparation of tanning action condensation products. : en es
  • GB414775A - Improvements in and relating to pressure-generating means for hydraulic presses : en
  • GB415089A - Improvements in welded fabricated structural members : en
  • ES134549A1 - Improvements in typewriters. : en es
  • GB414761A - Improvements in or relating to cinematograph colour films bearing a sound record : en
  • DK49127C - Sound-spreading and sound-absorbing Body. : da en
  • CH171023A - Centrifugal classifier for flour or other powdery or granular material. : de en
  • CH171084A - Process for the manufacture of objects made of a hard alloy. : de en
  • DE601529C - Suspension fork with parallelogram, especially for motorcycles u. like : de en
  • ES134722A3 - New coil or winder suspension system. : en es
  • GB415043A - Improvements in and relating to the rolling of helically twisted electrical conductors : en
  • ES134486A1 - New construction procedure for smooth wooden walls applicable to doors, windows, fences and similar. : en es
  • FR769001A - Mirror for powder cases, eyeshadows, etc. : en fr
  • ES134481A1 - A process for manufacturing artificial leather. : en es
  • ES2189Y - Hygienic chicken coop with mechanical feeding, cleaning and water supply device. : en es
  • GB414836A - Improvements in or relating to thermionic oscillation-generators and the like : en
  • CA343933A - Gasoline stabilizer : en fr
  • CH171130A - Process for the elimination of salts in tubular steam generators. : de en
  • FR768768A - Electric machine with support for insulating the grooves : en fr
  • CH171127A - Device for supplying fuel to float carburetors. : en fr
  • DE601415C - Heavy-duty woven electrical resistor : de en
  • ES2420Y - Inviolable envelope. : en es
  • DE601547C - Process for the production of detergents, cleaning agents, dispersants and wetting agents : de en
  • DK49113C - Plastic Material, bl. a. for Sound Registration. : da en
  • ES134666A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 131775 : en es
  • US1969859A - Plow : en
  • DE601573C - Hand fire extinguisher with extinguishing fluid escaping under pressure : de en
  • FR768839A - Device for the treatment of liquids, in particular water, by ozone : en fr
  • GB414882A - Motor-vehicle springing : en
  • GB414834A - Improvements in vices : en
  • DE601070C - Process for the preparation of unsaturated monocyclic primary diterpene alcohols of the vitamin A type : de en
  • DE601510C - Process for impregnating and assembling electrical capacitors : de en
  • ES134167A1 - Improvements in electric lamps. : en es
  • FR768845A - sink : en fr
  • DE601413C - Anti-skid device for motor vehicles : de en
  • DE601578C - Lorry with a motorized, excavator-like loading and unloading device : de en
  • CH171241A - Method for the preparation of a cardiac active glucoside. : de en
  • FR768793A - Chain derailleur gear change device : en fr
  • US1969776A - Window fastener : en
  • US1970482A - Windshield heater : en
  • ES2513Y - Receptacle for extractive matches. : en es
  • FR768780A - Ceilings of metal or of rigid materials other than metal for wooden floors : en fr
  • ES134881A1 - A working device for change of temperature usable for the operation of electrical switches, alarm devices, safety valves and for any other mechanical or electrical purposes. : en es
  • ES134016A1 - A procedure for the limitation by double fuse of the passage of the current through the electric power lines. : en es
  • ES134176A1 - Procedure for manufacturing phonograms in endless bands. : en es
  • FI16030A - Machine belt buckle : en fi
  • GB414919A - Improvements in reclining chairs : en
  • DE601470C - Compressed gas switch : de en
  • DE601405C - Axial thrust knife for single-disc thrust bearing : de en
  • ES134932A2 - AN INSTALLATION TO PRINT FILMS OR FILMS : en es
  • FI15997A - Spänne fåmanhållande av beklädnadspersedlar ocly dylikt : en fi
  • GB414921A - Improvements in electric skill-testing apparatus : en
  • ES134928A3 - Manufacturing process for bicycle tires based on cord fabric. : en es
  • GB414840A - A new or improved method or process of taking foot impressions, and a chart or pad device for use in connection therewith : en
  • FR768807A - Process for manufacturing cyclic esters and resulting products : en fr
  • GB415056A - Improvements in butter churning or working apparatus : en
  • GB415087A - Improvements in and relating to governors : en
  • GB414929A - Improvements in or relating to fountain or reservoir pens : en
  • ES134984A1 - A compressed air brake system for trains traveling at high speeds. : en es
  • FR768762A - Method and device for the manufacture of an extensible band by means of artificial fibers : en fr
  • ES134865A1 - Cinematographic projector. : en es
  • ES134682A1 - PROCEDURE FOR OBTAINING A COMPOSITION FOR COATINGS, PARTICULARLY FOR FOOTWEARS : en es
  • ES2812U - Mattresses and folding mattresses, especially for field and beach. (Machine-translation by Google Translate, not legally binding) : en es
  • GB414932A - Improvements in aqueous dispersions of carbon black : en
  • DE583740C - A coherent whole wage package : de en
  • GB414859A - An improved detachable clip for use in connection with tins, boxes and similar containers : en
  • GB414780A - Improvements in and relating to elastic fluid turbines : en
  • GB415115A - Improvements in and relating to clicking knives or dies : en
  • ES2434Y - Syringes for injections. : en es
  • GB415074A - Improvements in or relating to toy power boats : en
  • CH170968A - Device for manufacturing corrugated sheets. : de en
  • US1970254A - Tread member for shoes : en
  • GB414794A - Improvements in or relating to hydraulic control apparatus : en
  • AU1652334A - Improved process for the treatment of wheat preparatory to milling : en
  • CH170970A - Ceramic washbasin. : de en
  • CH171081A - Device for actuating talking machines. : en fr
  • GB415020A - Hair curler and waver : en
  • ES134910A1 - Improvements introduced in the manufacture of compressors. : en es
  • US1969868A - Hand can opener : en
  • US1969883A - Volume control : en
  • US1969926A - Dial and switch mechanism : en
  • US1970484A - Oil filled submergible electric motor : en
  • US1970388A - Transparent film and process of making the same : en
  • CA343887A - Radium-emanation drinking apparatus : en fr
  • GB414787A - Improvements in or relating to collapsible cartons, or packing cases : en
  • US1970097A - Heel-attaching machine : en
  • US1970520A - Universal base for electric switches, etc. : en
  • US1970534A - Method of heat exchange : en
  • ES134874A3 - Procedure for the manufacture of tubes. : en es
  • FR769055A - Improvement of stopper caps and processes for their manufacture : en fr
  • GB415095A - Improvements in and relating to pails, buckets and like receptacles and containers : en
  • GB415384A - Improvements in corrosion resisting coverings for pipes and other articles : en
  • NL33502C - Method for the preparation of vulcanized mixtures of rubber and organic fibrous substances containing constitutional water : en nl
  • CH171031A - Process and device for gas cleaning by means of wet filters. : de en
  • US1970189A - Storage battery element : en
  • US1970502A - Mattress : en
  • CH171035A - Process for the production of acetic acid by the oxidation of acetaldehyde. : de en
  • CH171073A - Carriage that can be dismantled in single loads. : de en
  • CH171120A - Jack. : de en
  • US1969731A - Stocking form : en
  • US1969822A - Closure for containers : en
  • US1969983A - Water softening composition and method : en
  • US1970053A - Furnace retort cleaning machine : en
  • DE601289C - Disk mill : de en
  • US1970048A - Apparatus for separation of suspended material from gases : en
  • US1970504A - Spectacles : en
  • ES134059A1 - DEVICE FOR AUTOMATIC POSITIONING OF PRESERVATIVE COVERS ON TOILET SEATS : en es
  • DE601539C - Process for the production of resinous condensation products from phenols, urea and aldehydes : de en
  • ES134740A3 - Improvements in electric extractor fans. : en es
  • FR768838A - Rotary kiln manufacturing process for white cement : en fr
  • US1969882A - Manufacture of new cellulose esters : en
  • CA343943A - Fuel gas producing apparatus : en fr
  • CH170975A - Device for automatic opening and closing of a garage door. : de en
  • US1969854A - Pipe working tool : en
  • US1970008A - Doorcheck : en
  • ES2532Y - Tube for permanent wave. : en es
  • FR769078A - Lengthwise hollow gutter for medical uses and method of manufacturing this gutter : en fr
  • ES134017A1 - A current limiting device by double fuse. : en es
  • ES134796A1 - PROCEDURE FOR STABILIZING PHOTOGRAPHIC EMULSIONS OF SILVER HALOGENIDE : en es
  • US1969898A - Tag forming, embossing, and affixing machine : en
  • ES134624A1 - A force transmission device. : en es
  • FR768936A - Central weight and card holder support and cards with visible edges, for horizontal filing : en fr
  • DE601274C - Foaming device for liquid melt material : de en
  • GB414927A - Improvements relating to electron discharge amplifiers : en
  • US1969871A - Power shovel : en
  • US1970089A - Container for explosives : en
  • US1970285A - Binding arrangement : en
  • US1969786A - Piston rod collar : en
  • US1969850A - Condensation product from hydroaromatic ring ketones : en
  • GB414984A - An improved condenser bobbin or spool for wool carding machines : en
  • ES134294A1 - An improved system apparatus applicable as an accessory in writing machines. : en es
  • ES134760A3 - A system of gates with a counterweight sliding on rollers and with hermetic closing. : en es
  • GB414989A - Apparatus for use in the wet doubling of yarns : en
  • FR768921A - Manufacturing process of nitro-arsanilic acid : en fr
  • US1969803A - Internal seam soldering machine : en
  • US1970446A - Transfer sheet control for billing machines : en
  • FR768992A - heat exchanger : en fr
  • FR769014A - Amplifier mechanism for measuring instruments : en fr
  • FR769088A - Meat larder : en fr
  • FI16019A - Method of manufacturing veneered wood panels : en fi
  • FR769069A - Removable track device adaptable to the lifting frame by axles of car lifts, to lift them by the wheels : en fr
  • GB414923A - Improvements in or relating to universal joints and to shaft assemblies including the same : en
  • US1969902A - Hum elimination system : en
  • ES134761A1 - A dual-dam gate system for reservoirs. : en es
  • FR768893A - Clutch release device for automatic intake limiter : en fr
  • US1970314A - Typewriter attachment : en
  • CA343936A - Chlorinated hydrocarbon stabilization : en fr
  • CA343991A - Impeller : en fr
  • CH171001A - Shuttle guide for looms. : de en
  • ES134939A1 - Improvements in vehicles for the transport of goods and materials. : en es
  • DE601368C - Cleaning sieve for fuel taps : de en
  • FR768933A - Use of waterproofed hat felt for the constitution of masks and other anti-gas items : en fr
  • FR769080A - Engine fuel : en fr
  • CH170963A - Equipment on the radiators of electrical hot water storage tanks to protect against overheating. : de en
  • FR768853A - Device for fixing a removable rim on a car wheel : en fr
  • US1970401A - Tinitfo statf j patfnt officf : en
  • ES134337A1 - A process for the manufacture of glasses and glasses of glass, half glass and blown glass. : en es
  • DE601497C - Jacquard flat knitting machine : de en
  • GB415000A - Moistening device for yarn-doubling machines and the like : en
  • FR768835A - Advanced training in rail cars : en fr
  • FR768861A - Monetary contactor with exhaust or silent motors : en fr
  • GB414962A - Improvements in or relating to containers for liquefled gas : en
  • DK49129C - Procedure for Increasing the Alcohol Yield by Ferments by Suppressing the Sugar Consumption Necessary for Fermentation. : da en
  • FR768783A - Sliding cabinet doors refinements : en fr
  • ES134902A1 - Control valve for compressed air brakes. : en es
  • DE601583C - Coil sensor arrangement : de en
  • GB414916A - Improvements in edible baked products : en
  • FR768767A - Improvements to household garbage vehicles : en fr
  • FI16015A - Threaded blind brake device : en fi
  • ES2891U - Baggage device. (Machine-translation by Google Translate, not legally binding) : en es
  • FI16048A - Fertilizers for the production of by-products of hydraulic binders with the aid of cement, lime, gypsum or other vegetative materials, with the aid of fossil fuels, with the aid of hydraulic materials : en fi
  • FR768913A - Process for the preparation of azo dyes : en fr
  • FR768836A - Improvement in spark plugs : en fr
  • GB414801A - Improvements in the manufacture and production of intaglio printing inks : en
  • DE601296C - Cutting device for cutting off the excess thread ends when tying a cat's head knot : de en
  • ES134884A1 - A new filter-purifier for gas-oil. : en es
  • ES134921A1 - A piston machine with self-lubricating packing rings. : en es
  • ES134429A1 - A procedure to avoid fraud in the electric installations at a flat rate. : en es
  • GB414954A - Improvements in or relating to speed governors for injection internal combustion engines : en
  • US1970522A - Treatment of acetate silk : en
  • US1969966A - Liquid measuring device : en
  • AU1711034A - Improvements inthe attachment of headings, edgings mouldings andthe like finishings : en
  • CA343955A - Sulphur compound removal : en fr
  • CH171242A - Process for the preparation of a barbituric acid derivative. : de en
  • CH171054A - Viewfinders for photographic apparatus. : de en
  • FR769021A - Improvements made to spark plugs to prevent water vapor from condensing on the electrodes and on the insulation : en fr
  • CH170993A - Protective insert for rubble stones. : de en
  • CH171094A - Small veneer high-speed press. : de en
  • DE601391C - Coke oven door : de en
  • ES2813U - Boxes destined to be embedded in the wall in the various uses to which they are subject in electrical installations (Machine-translation by Google Translate, not legally binding) : en es
  • FR768856A - Non-slip signal nail : en fr
  • FR768996A - Manually operated direction indicator : en fr
  • DE601556C - Process for producing wood pulp : de en
  • FR768916A - Articulated harrow : en fr
  • GB414803A - Apparatus for forming grooves on road surfaces : en
  • CH170973A - Locking device having a lock which is concealed when the parts to be locked are assembled. : en fr
  • CH171019A - Insole for frame footwear. : de en
  • USD93074S - Design for a bottle : en
  • CH170960A - Sliding device on extension ladders. : de en
  • USD93010S - Design fob a weighing scale unit : en
  • US1969772A - Treatment of hydrocarbon oils and coal : en
  • US1969947A - Pipe wrapping machine : en
  • DE596908C - Wooden box window to be used in plaster : de en
  • ES134791A1 - PROCEDURE TO INCREASE THE PERMUTABILITY OR EXCHANGE CAPACITY IN THE EXCHANGE AGENTS OR BASE EXCHANGE AGENTS : en es
  • FR768810A - Process for the manufacture of beryllium (or glucinium) compounds from minerals containing beryllium : en fr
  • GB414980A - Improvements in or relating to commodes or night stools : en
  • CH171097A - Process for the continuous production of viscose artificial sponge. : de en
  • ES134787A1 - A process of manufacturing a beauty scientific cream. : en es
  • US1970184A - Washing machine : en
  • USD93062S - Design fob a bottle : en
  • US1970131A - Relief valve : en
  • US1970103A - Control system : en
  • ES134648A1 - Improvements in the construction of firearms. : en es
  • USD93037S - Design for a bracelet : en
  • FR768837A - Advertising device : en fr
  • US1970123A - Grease trap : en
  • AU1311133A - Improvements in or relating to electrical coupling devices : en
  • US1970271A - Process of tanning hides : en
  • CH171045A - Process for the production of a container from sheets of cellulose-containing material and containers produced by the process. : de en
  • US1970481A - Process of bonding fins to radiator tubes : en
  • CA343914A - Wrench : en fr
  • GB414991A - Apparatus for producing spinning cakes of artificial thread : en
  • US1970214A - Refrigerating apparatus : en
  • US1970495A - Method of manufacturing an article of neckwear : en
  • US1970098A - Transmission mechanism : en
  • CH171188A - Device for releasing occupied connection devices in telephone systems. : de en
  • US1970289A - Conveyer : en
  • CH171133A - Heat exchange plate. : de en
  • US1969979A - Clay burning furnace : en
  • US1970162A - Reversible induction motor : en
  • US1970273A - Production of materials, decorative articles, and protecting linings or the like, bythe transformation of fibrous cellulose materials : en
  • USD93003S - Design fob an electric lamp : en
  • US1970389A - Electrical control circuit : en
  • CA343880A - Slide caster : en fr
  • US1969788A - Lifting sling for containers : en
  • US1970086A - Means for erecting and straightening the eyelashes : en
  • US1970168A - Meat cooker adjuster : en
  • US1970170A - Slicer feed : en
  • US1970233A - Massage device : en
  • US1970519A - Series lighting system : en
  • US1970536A - Winding machine : en
  • DE601450C - Lowerable structure for tunnel construction and foundations under water : de en
  • DE601476C - Backrest that can be placed on upholstered furniture and supported on its side rest : de en
  • ES2477Y - Mixed rubber or jute insole or other textile for footwear. : en es
  • US1970436A - Combination flat and filler : en
  • ES134778A1 - Improvements in the production of tanned leather. : en es
  • ES134982A1 - Improvements in the installations of kilns to cook cement. : en es
  • US1970139A - Flooring and the like : en
  • CH171233A - Process for the production of a new azo dye. : de en
  • DE601552C - Hydraulic transmission for machine tools, especially milling machines : de en
  • ES134659A1 - An electric discharge tube with positive column discharge. : en es
  • FR768825A - Aviation engine improvements : en fr
  • CH171013A - Suspender belt for corsets, bodices or girdles. : de en
  • FR768975A - Advertising device : en fr
  • ES2485Y - Document classifier. : en es
  • CA343862A - Wire drawing machine : en fr
  • CA343953A - Rubber processing : en fr
  • CA343973A - Television system : en fr
  • US1969887A - Antiglare device for automobiles : en
  • US1970055A - Hoisting machinery : en
  • US1970463A - Valve lock : en
  • FR768914A - Process for separating alkali nitrate and ammonium chloride from salt mixtures resulting from the transformation of alkali chlorides by means of ammonium nitrate : en fr
  • US1970447A - Automatic return type plating machine : en
  • US1970452A - Phonograph : en
  • US1969927A - Lubricating system for sewing machines : en
  • DE601311C - Method and device for the wet treatment of strands of yarn : de en
  • ES134824A1 - System of electric pumps with suppression of all mechanical delay. : en es
  • FR768857A - Improvements to grape must coolers : en fr
  • CH171126A - Injection pump for internal combustion engines. : de en
  • CH171066A - Ski and its method of manufacture. : de en
  • US1969757A - Safety seal : en
  • US1969955A - Current controlling apparatus : en
  • FR769033A - Surge protector : en fr
  • US1969909A - Motion picture moving screen : en
  • GB414745A - Improvements in method and machines for manufacturing boxes, such as match boxes : en
  • DE601512C - Wire clamp : de en
  • CA343920A - Ammonium nitrate production : en fr
  • CA343925A - Electric distribution system : en fr
  • GB414778A - Improved process of treating silk : en
  • DE601320C - Method for protecting from corrosion or the like underlying materials by painting : de en
  • DE601380C - Mechanical pipe coating device : de en
  • CH171184A - Telephone system with group alarm facility. : de en
  • ES2707U - Pool table. (Machine-translation by Google Translate, not legally binding) : en es
  • FR769082A - Printing device using typing perforated clichés : en fr
  • GB414789A - Improvements relating to the manufacture of synthetic resin mouldings : en
  • US1969890A - Process of preparing phenol-furfural condensation products : en
  • US1970029A - Method of and apparatus for forming channeled strips : en
  • ES2531Y - A new opener for all kinds of containers : en es
  • GB414992A - Improvements in devices for attaching a photographic camera or the like to an optical observation instrument : en
  • CH171040A - Process for the precipitation of substances causing the hardness of the water and device for its exercise. : de en
  • GB414972A - Improvements in or relating to retorts for the low temperature distillation of coal or the like : en
  • US1970022A - Terminal connection : en
  • ES134879A1 - Improvements in wireless telegraph lamps with multiple grids. : en es
  • FR769045A - Device for checking the straightness, orientation of lines or translations of mechanical parts and, incidentally, for optical checking of planes : en fr
  • FR768812A - Hydraulic press for sheet metal bending : en fr
  • FR768870A - Backstroke collar to be placed separately on the rods of drills, picks and similar tools and pressed against these rods : en fr
  • FR768903A - Device for connecting a lighting device with a microscope : en fr
  • FR769094A - Veneer press for rounded surfaces : en fr
  • GB415064A - Apparatus for damping paper and textile webs and the like : en
  • ES134988A1 - ELECTRONIC VALVE OR TUBE : en es
  • DE601260C - Photoelectric signal, control or measuring device : de en
  • FI16024A - Vending machines : en fi
  • GB414822A - Improvements in or relating to electric battery lamps for fishing and other marine buoys : en
  • GB414957A - Improvements relating to wave-producing apparatus : en
  • ES134807A1 - IMPROVEMENTS IN THE MANUFACTURE OF HIGH VOLTAGE PASS INSULATORS OF THE TYPE OF ROLL CAPACITORS : en es
  • FR768776A - Recorder tail rack : en fr
  • FR768892A - rubber spring elements : en fr
  • DE601349C - Railway wagon that can be converted into a trailer that can be driven on the road : de en
  • FI16032A - Transmissionsväxel : en fi
  • ES134847A1 - Improvements in the manufacture of bush springs. : en es
  • ES134756A2 - IMPROVEMENTS MADE IN THE MAIN PATENT NUMBER 133818 : en es
  • US1969914A - Apparatus for barking logs : en
  • US1970288A - Curtain and drapery pilot or guide : en
  • FR769012A - Process for the manufacture of valuable papers : en fr
  • FR769074A - Combined controls for aircraft engines : en fr
  • GB414837A - Improvements in or relating to plugs or dowels : en
  • US1969936A - Car coupler : en
  • ES134909A3 - Process for the preparation of bleaching substances, especially clay activation bleaching earths and other suitable natural and artificial starting substances capable of sorption. : en es
  • FR768760A - Storm lantern : en fr
  • FR769062A - Device for opening compressed gas cylinders, more particularly applicable to fire extinguishers : en fr
  • FR768910A - Safety device ensuring the automatic stop of trains : en fr
  • FR769036A - Heat recovery device for kitchen utensils or the like : en fr
  • FR768911A - Electrical resistance welding process and apparatus for implementing this process : en fr
  • DE601215C - Device for automatic interruption of the supply of the work material for spinning, twisting and similar textile machines : de en
  • DE601358C - Skin protection products : de en
  • US1969738A - Reforming last : en
  • US1969785A - Scraper : en
  • ES133773A1 - A process for heat treating iron, iron alloys and the like. : en es
  • FR768840A - Automatic electrical device intended to ensure the safety of the service of a railway installation and in particular to prevent train collisions : en fr
  • ES134642A1 - IMPROVEMENTS INTRODUCED IN THE IONIC AMPLIFIERS : en es
  • ES134664A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE PATENT OF INVENTION NUMBER 123601 : en es
  • FR768954A - Resistor and method for making resistors : en fr
  • ES134592A1 - Improvements in the treatment of olefinic hydrocarbons. : en es
  • GB414774A - Improvements in or relating to wheels : en
  • CA343911A - Piston expansion means : en fr
  • CA343938A - Urea synthesis : en fr
  • CH171091A - Tool drive device applicable to high precision lathes. : en fr
  • DE596386C - Easel card file in which two lateral, interchangeable individual holders are provided for each card holder, guided on the board : de en
  • DE596582C - Safety system with temporary automatic activation by a timer or the like. : de en
  • DE601513C - Protection device for three-phase networks : de en
  • FR768802A - Molded bodies, and in particular plates of fibrous materials, and process for their manufacture : en fr
  • FR768898A - Improvements to alternating current pulse relays : en fr
  • ES134132A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NUMBER 123740 : en es
  • US1969918A - Roof decking : en
  • US1970026A - Charge forming device : en
  • US1970366A - Gas and liquid transfer pump : en
  • US1969905A - Dispensing device : en
  • US1969849A - Blank-making : en
  • US1970082A - Producing of foam by mechanical means : en
  • US1970084A - Electrical resistance thermometer : en
  • DE601503C - Production of linings for containers that are resistant to strong hydrochloric acid and alkalis : de en
  • ES134933A1 - OXYGEN ENGINE FOR STRATOSPHERIC AIRPLANES : en es
  • CA343970A - Piston : en fr
  • US1969758A - Device for making perspective drawings : en
  • US1970421A - Electric switch : en
  • US1970532A - Electric discharge tube : en
  • ES135003A1 - Automatic switch device to prevent fraud or theft of electric power. : en es
  • ES2822U - Double-wall electrode for electric batteries. (Machine-translation by Google Translate, not legally binding) : en es
  • US1969925A - Certificate or like holder : en
  • US1970064A - Remote volume control for talking and/or sound picture equipment : en
  • US1970263A - Roll : en
  • US1970405A - Handling pulverized coal and the like : en
  • GB414990A - Butt strap for laterally joining two or more metallic strips : en
  • ES134916A1 - A system of ignition and operation of electric lamps of gases or vapors. : en es
  • US1969990A - Automatic driving mechanism : en
  • US1970415A - Electrical regulating system : en
  • US1969921A - Automatic control mechanism for water heaters : en
  • US1970469A - Manufacture of rubber : en
  • CA343966A - Adjustable stool : en fr
  • ES2339Y - Girdle for visceral ptosis and for pregnancy. : en es
  • FI16047A - Inspection arrangements for the production of ceramic products : en fi
  • FR768894A - Coin retraction system for billiard counters : en fr
  • CH170965A - Electric underfloor heating. : de en
  • CH170981A - Floor cleaning device. : de en
  • CH171064A - Annual calendar. : de en
  • CH170969A - Process for coloring the surface of unglazed fired brick and pottery. : de en
  • AU1375433A - Improvements in or relating to thermionic valve circuit arrangements : en
  • DE601462C - Process for the production of carburized water gas in chamber furnaces : de en
  • US1969978A - Code setting device for signal systems : en
  • US1970018A - Reaming machine : en
  • US1970005A - Multiple coin separator : en
  • US1970127A - Heat exchange installation : en
  • CA343876A - Batttery plate : en fr
  • CH171034A - Process for the production of ethyl vanillin. : de en
  • US1969855A - Paper fabric and other product : en
  • US1970052A - Garment support : en
  • US1970129A - Fastening device : en
  • GB414759A - Motor-vehicles : en
  • US1970511A - Ironing machine : en
  • DE601563C - Switch with extinguishing of the arc by a flow of compressed gas : de en
  • US1969791A - Horizontal boring machine : en
  • US1969923A - Brake beam safety support : en
  • US1970360A - Electric food heating apparatus : en
  • US1970253A - Well drilling system : en
  • US1970428A - Rotary hook for sewing machines : en
  • USD93028S - Design for a cravat holder : en
  • US1970450A - Clip : en
  • US1970122A - Method of making thin abrasive wheels : en
  • US1970066A - Time controlled switch : en
  • CH171227A - Faired trim for airplane wheels. : en fr
  • AU1375333A - Improvements in or relating to machines for finishing edges of sheet material : en
  • CH171162A - Headlights, in particular for bicycles. : de en
  • US1969754A - Supporting of thread guides of warp knitting machines : en
  • US1970088A - Method of operating internal combustion engines : en
  • US1970354A - Means for feeding molten glass : en
  • USD93021S - Design for a shoe rack or similar : en
  • DE601400C - Drip stopper : de en
  • DE601318C - Electrical switchgear : de en
  • DE601485C - Door handle fastening : de en
  • ES134861A3 - A procedure for the extraction of tartaric matter contained in wine feces. : en es
  • ES2409Y - Ballot box for elections. : en es
  • FR768801A - Process for obtaining metals by electrolysis of metal salts in the molten state : en fr
  • GB415007A - Clamp for assembling boiler sections and for like purposes : en
  • DE601306C - Power generator : de en
  • NL33688C - : en
  • US1969954A - Injector valve : en
  • US1970201A - Water treating and storage apparatus : en
  • US1970242A - Knitting machinery : en
  • DE601298C - Mechanical skittles : de en
  • ES134616A1 - An improved method of manufacturing hollow metal objects, such as turbine blades. : en es
  • GB414988A - Improvements in or relating to filters : en
  • CH171135A - Device for converting electrical energy. : de en
  • DE601397C - Bridge circuit to protect radio receivers against local interference : de en
  • US1970434A - Power plant with intermediate superheaters : en
  • FR768989A - : fr
  • DE601554C - Pendulum mill : de en
  • US1969805A - Floor surfacer and polisher : en
  • US1969999A - Compressor unit : en
  • CA343985A - Glass article : en fr
  • CH171150A - Installation circuit breaker. : de en
  • CA343992A - Sound radiator : en fr
  • CA343999A - Cable sheathing perforating method : en fr
  • ES134663A1 - Procedure for obtaining condensation products. : en es
  • FI16012A - Sauna stove : en fi
  • GB415079A - Improvements in or relating to amplifiers and electron discharge devices therefor : en
  • ES2467Y - Wire guide for winding gathering machines or similar. : en es
  • DE601472C - Arrangement on electrical controllers with intermittently contact-closing parts : de en
  • CH171016A - Tie. : de en
  • US1969755A - Phonograph : en
  • US1970195A - Metal window : en
  • US1970461A - License tag : en
  • USRE19268E - Ventilator construction : en
  • CH170996A - Device for coating corked bottle necks with liquefied paraffin, wax or the like that is solid at normal temperature by dipping the same. : de en
  • ES134960A1 - Improvements in the regulating devices or lifts, applicable to cars, trams and the like. : en es
  • GB414969A - Improvements in or relating to collapsible stands and the like : en
  • GB415084A - Improvements in or relating to electric switches of the quick-make and quick-break type : en
  • GB414886A - Improvements in and connected with waste heat boilers and their application in carbonising plants : en
  • GB414967A - Improvements relating to permanent magnets : en
  • GB415005A - Improvements in the lubrication of cylinders : en
  • ES134978A1 - A process for the production of hydrocarbons by treatment of carbonaceous materials distilled with hydrogenated gases. : en es
  • FR768962A - Improvements to cathode ray lamps : en fr
  • FR768875A - Wind heater or similar heat exchange device in which at least one of the agents used is a gas : en fr
  • GB414810A - Improved scoring device for card and other games : en
  • FR768961A - Device for moving switching levers suitable for a daily dial in switching clocks : en fr
  • US1969892A - Sectionally supported air-cooled wall : en
  • CA343919A - Flooring for bookstacks : en fr
  • DE601528C - Warning device for oxygen breathing apparatus to indicate the approaching exhaustion of the oxygen supply : de en
  • DE601411C - Camera micro attachment : de en
  • ES134858A3 - Procedure for obtaining compresses based on silt, peat, mud or natural schlams or similar synthetic compounds. : en es
  • ES134968A1 - A system of cushioning by spring, for seats, especially for seats of motor vehicles and the like. : en es
  • GB414974A - Improvements in split drum winding machines for threads : en
  • CH171026A - Process for the production of nitrogen-rich fermentation mashes. : de en
  • CH171095A - Process for the production of bodies from hardenable synthetic materials. : de en
  • CH171140A - Process for the production of collectors for small direct current motors, in particular direct current motor meters. : de en
  • CH171230A - Window cleaning device. : de en
  • ES134629A1 - NEW BURNER FOR COMBUSTIBLE OILS : en es
  • US1970172A - Booster : en
  • DE601329C - Tools and methods for making cinematographic animated films : de en
  • FR768942A - : fr
  • GB415040A - Process for producing three-colour photographs and kinematographic films on a film with layers on both sides : en
  • CA10405S - Jar : en
  • GB415382A - Improvements in the manufacture of derivatives of cellulose : en
  • US1970065A - Process of bleaching pulp and other lignified materials : en
  • US1970471A - Granular material : en
  • US1970437A - Method of and apparatus for the rapid freezing of liquids : en
  • USD93058S - Design for shoe upper material : en
  • CH171080A - Sound box for speaking machines. : de en
  • US1970078A - Pipe coupling : en
  • AU1517333A - A method and apparatus for closing or sealing cartons and the like : en
  • USD93022S - Design for a doily : en
  • US1969885A - Highway guard : en
  • US1970402A - Art of producing lubricating oils : en
  • DE601516C - Ringless curtain or curtain rod composed of several rails : de en
  • FR768808A - Improvements in processes for drawing wire, tubes, bars and other similar products : en fr
  • US1969809A - Belt conveyer : en
  • ES134741A1 - High pressure pump suitable for boiler feeding or for spraying liquids. : en es
  • FR768843A - Starting device for motors : en fr
  • GB414863A - Electric advertising lamps : en
  • DK49114C - Procedure for electrolytic precipitation of chromium. : da en
  • DE601341C - Process for the production of long creped paper : de en
  • CH171161A - Lighting fixtures for roads and vehicles. : de en
  • DE601373C - Electric switch : de en
  • US1970191A - Surfacing device : en
  • ES134846A1 - A machine to make precision works, lettering and artistic by means of saw in metal sheets. : en es
  • GB414938A - Improved method of making water-proof matches : en
  • CA344011A - Muller : en fr
  • CA343873A - Window set : en fr
  • US1970530A - Hydraulic actuating mechanism : en
  • US1970364A - Process for preparing orthodihydroxy benzene : en
  • US1970417A - Automatic phonograph : en
  • US1970480A - Adjustment for seat backs : en
  • US1970513A - Hose nipple connection : en
  • USD93067S - Design for a bottle : en
  • DK49128C - Method and apparatus for electrolytic refining of aluminum. : da en
  • ES134871A1 - An announcing device. : en es
  • ES134955A1 - A procedure for the manufacture of shades for shading the eyes and painting the lips. : en es
  • GB415102A - Improvements in or relating to pneumatic tube conveyor systems : en
  • DE601401C - Coat for containers, especially milk bottles : de en
  • DE601493C - Completely encapsulated compression refrigeration machine : de en
  • US1970021A - Apparatus for conveying loose material : en
  • US1970505A - Container closure : en
  • US1969728A - Method of making metal objects : en
  • ES134907A1 - Improvements in the construction of coating plates made of flowable bituminous masses by heating. : en es
  • US1969903A - Superheterodyne receiver : en
  • DE601551C - Process for the production of molded parts with a very hard and dense surface : de en
  • US1969959A - Advertising device : en
  • CH171190A - Magnetic electric bell for alternating current. : de en
  • US1970429A - Eyeglass construction : en
  • DE601447C - Picnic eyes for dolls : de en
  • ES2375Y - Folding turnbuckle for flags and the like. : en es
  • FR768971A - Device for the parallel operation of DC converters using discharge, steam or gas vessels, controlled by grills : en fr
  • GB414853A - Improvements in or relating to electrical accumulators and batteries : en
  • DE601343C - Stack briquette : de en
  • FI16006A - Allowances for the internal security system, whether or not they are used : en fi
  • FR768974A - Device for indicating and printing the results of weighings in scales with tilting lever : en fr
  • DE601593C - Process for the production of building panels from pulp : de en
  • DE601542C - Method for compensating for fluctuations in steam power plants : de en
  • ES134406A1 - A provision of mirrors and prisms for photographic and cinematographic equipment. : en es
  • GB415036A - Improvements in or relating to television apparatus and the like : en
  • ES134753A1 - Adjustable strip-hedge device. : en es
  • ES134789A1 - NEW THERMOSTATIC CONTROL SYSTEM FOR ELECTRICAL SWITCHES : en es
  • GB414959A - Pressed skips, containers and the like : en
  • GB415035A - Improvements in or relating to electrodes for arc welding : en
  • GB414769A - Improvements in or relating to supersonic heterodyne receivers for wireless and like reception : en
  • ES134701A1 - Procedure to devulcanize the rubber. : en es
  • ES134895A1 - A method of preparing a coating composition and applying it to rubber articles. : en es
  • ES2811U - Folding bed in the form of a bench using two spring mechanisms. (Machine-translation by Google Translate, not legally binding) : en es
  • US1970256A - Window dressing : en
  • CH171176A - Process for the preparation of a compound from caffeine and hydrochloric acid quinine. : de en
  • US1970339A - Motor fuel product : en
  • DE601538C - Flushing or blowing line made of wear-resistant material : de en
  • ES134719A1 - Random pump for the elevation of liquids. : en es
  • FI16040A - Med reglerbara bett försedd längdskärningsmaskin för trämassa o.dyl. : en fi
  • FR768943A - Foundation process on sandy or muddy bottoms : en fr
  • ES134828A1 - Procedure to reproduce drawings imitating the painting. : en es
  • US1969715A - Casement window : en
  • US1970458A - Apparatus for plating articles : en
  • DE601505C - Process for the preparation of 3-oxyselenonaphthene and its derivatives : de en
  • FR768995A - Process for the production of spongy rubber articles : en fr
  • GB414812A - Improvements in or relating to trusses : en
  • GB415015A - Improvements in or relating to dust and like separators : en
  • FR768848A - Method and apparatus for hydration of cellulose pulp : en fr
  • FR768924A - Presentation process for almonds removing their sulfur : en fr
  • DE601362C - Centrifugal pendulum governor with radially arranged, spring-loaded flywheels : de en
  • FR769084A - Improvements to wrapping and twisting machines : en fr
  • CH171072A - Foldable rifle cleaning rod. : de en
  • US1969799A - Hat stand : en
  • DE601293C - Friction shock absorbers : de en
  • US1970261A - Flask ring : en
  • ES134566A2 - A PROCEDURE FOR THE CONDITIONING AND PRESENTATION OF COFFEE WITH MILK : en es
  • FR768952A - Method and apparatus for the treatment of carbonaceous materials, and method of forming charges therefor : en fr
  • USD93083S - Design fob a combined dispensing : en
  • DE600909C - Remote control, especially multiple control for electrically powered vehicles : de en
  • DE601560C - Brush holder with conical two-part brush handle : de en
  • FI16010A - Anordning for tillverkning av dekorativa vävnader : en fi
  • ES2810U - Carabiner for bracelets, wristwatches and similar. (Machine-translation by Google Translate, not legally binding) : en es
  • FR768963A - Lifting device for platforms and similar machines : en fr
  • FI16046A - Förpackningsband för dragtändstickor : en fi
  • GB415066A - Improvements in and relating to the production of beryllium alloys : en
  • DK49135C - Method of making a ribbed warp knitting machine on a warp knitting machine with a single row of needles. : da en
  • ES134601A1 - A procedure for obtaining cork stoppers for bottles of spirits at high pressure, such as cider, champagne, etc. : en es
  • GB414893A - New or improved auxiliary control mechanism for motor road vehicles : en
  • GB415100A - Novel or improved means for supporting draining trays for sinks and the like : en
  • ES134769A1 - A machine for working leathers, with flexible shaft drive. : en es
  • ES134951A3 - A new procedure for covering photographs intended to be framed with cellophane, celluloid or other flexible and transparent material. : en es
  • GB414879A - Improvements in anchoring devices for steel sheet pilings : en
  • US1970229A - Adjustable scaffold : en
  • FR768846A - Method of operation of secondary batteries : en fr
  • US1970321A - Steam engine valve : en
  • ES134730A1 - A process for the manufacture of paper, celluloid, cloth or similar materials, velvety, with combined backing. : en es
  • ES134891A1 - An elastic coupling of shafts. : en es
  • GB414763A - Improvements in or relating to the mounting of power units, vehicle bodies and the like : en
  • GB414867A - Improvements in or relating to cases for cigarettes, cigars and the like : en
  • CH171005A - Clamp lock with locking head for push-on spindles. : de en
  • DE601420C - Process for the production of lime-rich binders similar to Portland cement : de en
  • FR768803A - Method for producing a liquid impermeable winding for electric motors : en fr
  • USD93054S - Design for a hat stand : en
  • GB414820A - Improvements in and relating to drawers, more particularly for gentlemen's wear : en
  • GB414839A - Improvements in fuel pumps : en
  • DE601480C - Circular knife scissors for cutting, trimming and trimming long metal sheets : de en
  • DE601589C - Process for the production of spinnable coconut fibers : de en
  • US1969746A - Frequency changing system : en
  • DE601438C - Pendulum inclinometer for vehicles : de en
  • FR768978A - Process for preparing high molecular weight organic, plastic and colored materials : en fr
  • FR769079A - Secondary air intake and heating device in domestic and industrial homes : en fr
  • CH171098A - Mixing mill with device for dust-free emptying. : de en
  • DE601534C - Liquid level regulator for bathtubs : de en
  • ES134996A1 - An alarm device against thieves. : en es
  • FI16039A - Centrifugalsorterare : en fi
  • FR769093A - Self-dosing-spout : en fr
  • ES134848A1 - HIGH VOLTAGE CURRENT PRODUCER APPARATUS FOR THE LIGHTING OF LUMINESCENT TUBES AND OTHER APPLICATIONS THAT NEED THESE CURRENTS : en es
  • FR768816A - Receiver mounting of t. s. f. intended for reception of several wavelength ranges : en fr
  • US1970445A - Flying shear : en
  • US1970496A - Carrier provided with a light sensitive substance and process of manufacturing the same : en
  • US1969831A - Syringe for use by veterinaries : en
  • DE601294C - Saddle that can be used as a chair for bicycles : de en
  • DK49131C - Transport device for ready-mixed concrete. : da en
  • GB414956A - Improvements in furnace grates : en
  • GB415068A - Improvements in carburettors : en
  • GB415103A - Improvements in or relating to cards for holding and displaying articles : en
  • ES134554A3 - A new procedure to give celluloid articles, preferably toys, buoyancy and proper translation in water. : en es
  • ES134833A3 - A procedure to improve the impermeability of footwear and boots : en es
  • DE597315C - Process for processing wet spinning waste from flax and hemp for the production of high-quality paper : de en
  • DE601511C - Permanent magnet, especially made of steel with high coercive force : de en
  • ES134628A1 - Recording thermometer with direct reading and free expansion. : en es
  • GB414741A - Method of operating a vapour generator : en
  • ES134697A1 - A transportable threshing machine : en es
  • GB415013A - Improvements in and relating to pressure pipe lines and more particularly to pressure pipe lines for electric cable installations : en
  • GB414953A - Medical injection syringe : en
  • FR768817A - Safety valve : en fr
  • USD93016S - Design for a cocktail shaker : en
  • USD93072S - Design for a bottle : en
  • ES134414A1 - Procedure for crimping the fixed nozzles of metal containers to the body of the containers. : en es
  • ES134775A1 - Perfections introduced in the spring or folding clasps. : en es
  • DE601522C - Protection device for jaw crusher with break plate : de en
  • CH171055A - Recording device for reproduction work and the recording of small objects using a small camera. : de en
  • CH171152A - Method and device for the production of X-rays. : de en
  • FR768973A - Method and apparatus for directing the luminous flux of a constant light source in television and light sound recording applications : en fr
  • FR769057A - removable light shield or other screen that can be moved by hand : en fr
  • GB414878A - Improvements in cycle saddles : en
  • DE601404C - Sliding window guided on swivel rails : de en
  • ES134617A1 - Improvements in the manufacture of suction whistles for automobiles. : en es
  • ES2391Y - Device for lifting and transporting barrels and other cylindrical containers in order to facilitate their emptying : en es
  • FI16020A - Sätt att skydda i fria luften lagrat virke mot lagringsskador : en fi
  • FR769002A - Improvements to gas-filled incandescent electric lamps : en fr
  • FR768900A - Method and device for the manufacture of hydraulic couplings : en fr
  • FR768915A - Device for opening hatches in hopper trucks : en fr
  • ES134578A3 - New procedure for the preparation of drying oils specially designed for gluing natural or artificial textile fibers. : en es
  • ES134613A1 - An improved process for the treatment of gases containing sulfur dioxide. : en es
  • ES134797A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • GB414864A - Improvements in means for positioning and silencing the doors of vehicles : en
  • DE601331C - Cigarette dispenser in connection with lighter and ashtray for motor vehicles : de en
  • GB414762A - Improvements in or relating to dust extraction apparatus : en
  • DE601434C - Flat weft knitting machine : de en
  • GB414771A - A machine for cutting blocks of wood to obtain shavings for use in the manufacture of match boxes or similar articles : en
  • ES134623A1 - ANTENNA ARRANGEMENT FOR DIRECTED TRANSMISSION OR RECEPTION PREFERENTIALLY OF SHORT ELECTRIC WAVES : en es
  • AU1352533A - Improvements in or relating to method of and machine for the manufacture of continuous sheets of asbestos cements cement reinforced with wire netting : en
  • FR769072A - Improvement in tube expansion devices : en fr
  • GB414838A - Improvements in spectacles : en
  • US1970338A - Constant current direct current generator : en
  • AU1539633A - Improvements in steam boilers : en
  • CH171192A - Switching control device based on the control of a signal lamp circuit on switchable devices, in particular on tooth clutches and gear change transmissions. : de en
  • DE1309016U - : de en
  • FR768925A - Improvements to reflectors for cycles : en fr
  • US1970369A - Hydraulic shock absorber : en
  • US1969989A - Coat : en
  • GB414965A - Improvements relating to the mounting of pulleys on the ends of shafts : en
  • DE601366C - Sponge rubber cushions, for example for vehicle seats : de en
  • ES2508Y - Pen with sharpening device. : en es
  • US1969856A - Paper sizing and composition therefor : en
  • US1970350A - Transmission line : en
  • DE601356C - Porcelain kiln for dental purposes : de en
  • US1970240A - Portable crane : en
  • GB414765A - Improvements in or relating to the manufacture of electric cables : en
  • GB415072A - Improvements in or relating to valves : en
  • ES134641A1 - A new mechanical device for plastering. : en es
  • US1970420A - Emergency governor mechanism for prime movers : en
  • ES134646A1 - A new bonding process, by vulcanizing the floor or sole of jute, hemp or other textile, to the canvas or cloth cuts in all kinds of footwear. : en es
  • ES2499Y - A slider for adjustable length straps or straps : en es
  • USD93015S - Design for a lady s hand bag : en
  • ES2490Y - Elastic last for footwear. : en es
  • FR768997A - Improvements to electrical relays : en fr
  • ES134994A1 - IMPROVEMENTS INTRODUCED IN THE HYDRAULIC DEVICES FOR TRANSMISSION OF MOTION : en es
  • ES2534Y - Container for lubricants and other liquids. : en es
  • DE601370C - Process for the production of projection images for distortion-free projections for the display of stage decorations, in which flexible members with suitable adjusting devices are used : de en
  • ES134280A1 - Liquid meter supply device. : en es
  • GB414933A - Improvements in and relating to adjusting devices for fuel pumps : en
  • FR768765A - Grinding and polishing machine : en fr
  • GB414872A - Process for dyeing furs : en
  • GB414851A - Improvements in or relating to electric generators : en
  • ES134958A3 - Improvements in the manufacture of plates, tubes and other pieces of cement and asbestos. : en es
  • ES134681A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • FR769097A - Improvements to automatic steering rectifiers for airplanes : en fr
  • FI16051A - Eater thrower : en fi
  • GB415093A - Improvements in humidifying systems for air and gases : en
  • ES134591A1 - An apparatus or utensil intended to contain, melt and apply for medical and surgical uses, solid fusible substances to be used in freshly melted liquid state. : en es
  • ES2110Y - Cap and bottle cap that makes it non-refillable. : en es
  • CH170983A - Support tube for curtains connected to a cover rail and slotted on the underside. : de en
  • CH171198A - Method for packing objects in at least two envelopes and means for carrying out the same. : de en
  • ES133604A1 - Railroad wagon with removable part forming a trailer for road transport. : en es
  • FR769011A - New porous or spongy, flexible or elastic articles and their manufacturing process : en fr
  • FR769020A - Process for the fermentation of food substances, particularly applicable to the manufacture of bread, pastry, biscuits and the like : en fr
  • FI16045A - The project and the end of the ballistic fire test : en fi
  • ES134550A1 - Apparatus for grooving used tires. : en es
  • ES134894A1 - Improvements in the manufacture of rubber articles by means of dispersions of natural rubber latex or containing it. : en es
  • DE601576C - Damping valve for an auxiliary power clutch for motor vehicles operated by negative pressure : de en
  • FR768815A - Machine for the continuous production of concrete objects by vibration : en fr
  • CH171033A - Process for the preparation of a nuclear-substituted 1.4.5.8-naphthalenetetracarboxylic acid. : de en
  • GB415097A - Improvements in or relating to brakes for aircraft-wheels : en
  • CA343956A - Refrigerating apparatus : en fr
  • FR768820A - Device for skinning animals : en fr
  • FR768841A - Improvements to stenographic machines : en fr
  • GB414928A - Rear support for firearms : en
  • DE601514C - Method and device for applying markings to soap flakes : de en
  • DE601525C - Device for forming sheets from mixtures of paper stock : de en
  • US1970101A - Stapling machine or tacker : en
  • US1970306A - Baking agent and process of improving dough : en
  • US1970406A - Wire coil : en
  • US1970144A - Fused electric connecter : en
  • CH171067A - Roller skate, especially for negotiating tight turns. : de en
  • US1970246A - Manufacture of new dyestuffs and the application thereof : en
  • CA343976A - Cathode ray apparatus : en fr
  • DE601395C - Method and furnace for warming up and annealing elongated rolled stock : de en
  • DE601494C - Machine and process for the mass production of high-value resistors : de en
  • ES134649A1 - An industrial process for the manufacture of beverages based on natural fruit juices, conserving their vitamins. : en es
  • GB415375A - Improvements in or connected with fastenings for securing railway rails to metal sleepers : en
  • CH171007A - Method of cleaning sanitary napkins and washing machine for practicing the method. : de en
  • US1970148A - Process for the continuous treatment of vegetables with soda and gaseous chlorine for the industrial production of cellulose : en
  • USD93008S - Design for a bicycle : en
  • ES134686A1 - Distribution system applicable to steam engines. : en es
  • ES134794A3 - System for capturing oscillating electromagnetic currents through a closed circuit, for its curative application to the human body. : en es
  • FR768819A - Pourer for liquids, especially canned milk : en fr
  • GB414823A - Improvements relating to spare wheel carriers for motor vehicles : en
  • FR769061A - Pressure cylinders for spinning looms : en fr
  • DE601314C - Process for the purification of tar phenols using organic solvents : de en
  • FR768798A - Method and apparatus for sinking and casing wells in soft ground : en fr
  • US1970247A - Carrier : en
  • USD93077S - Design for a bottle : en
  • US1970125A - Electric distribution system and conductor thereof : en
  • US1969782A - Distilling and conversion process : en
  • CA344015A - Compressed gas preparing apparatus : en fr
  • CH171044A - Embossed cardboard. : de en
  • CH171159A - Shielded grid power supply. : de en
  • ES134918A1 - A procedure for obtaining phosphate fertilizers. : en es
  • USD93018S - Design for a lace tablecloth : en
  • US1969745A - Frequency changing apparatus : en
  • US1969784A - Depth indicator for liquids : en
  • US1970327A - Magneto : en
  • US1970535A - Method of separating or extracting bodies from partial oxidation products : en
  • USRE19276E - Method of and apparatus fob regu : en
  • US1969727A - Adjustable stocking form : en
  • US1969922A - Method for curing hides and skins : en
  • US1969932A - Substitute for rubber and the process of its manufacture : en
  • US1970454A - Cooking utensil : en
  • US1970087A - Transplanting tool : en
  • USD93073S - Design for a bottle : en
  • US1970486A - Puddling machine : en
  • CA343906A - Hydraulic torque transmitting apparatus : en fr
  • CH170986A - Spring support frame for upholstered furniture, in particular for beds. : de en
  • CH171052A - Remote release device for lens shutters on photo cameras. : de en
  • CH171113A - Manual and control gear. : de en
  • DE601315C - Loudspeaker cone clamped at the edge, made up of several curved parts : de en
  • ES134693A3 - Automatic welding system for iron and steel pipes with autogenous welding. : en es
  • ES134887A2 - IMPROVEMENTS IN THE PURPOSE OF PATENT NUMBER 133099 : en es
  • ES134998A1 - Improvements in the unbundling machines straighten, parallelize and purify textile fibers. : en es
  • USRE19270E - Film supporting and driving : en
  • DE601590C - Process for the production of a preparation intended for hemostatic purposes : de en
  • ES134801A1 - A procedure to register texts in sound films or others, already finished. : en es
  • ES134856A1 - Procedure for the production of tightly adhering bituminous covers on asphalt, cement and other hard road surfaces. : en es
  • US1969742A - Electromagnetic valve : en
  • US1969872A - Equalizer for hydraulic brakes : en
  • GB414944A - Improvements in displacement meters for measuring liquids : en
  • ES134826A1 - New warning device for cases of theft applicable to all kinds of locks, doors and windows. : en es
  • ES134919A1 - A procedure to harden plates and other glass objects. : en es
  • GB414877A - Improvements in means for applying labels to articles, particularly wrapped articlessuch as chocolate bonbons. caramel squares and the like : en
  • US1969869A - Stage discharge of pressure cylinder : en
  • US1970311A - Projection of images for viewing in stereoscopic relief : en
  • USD93068S - Design for a bottle : en
  • GB414907A - Improvements in or relating to ribbon microphones : en
  • DE601292C - Machine for making bows and tufts on fabrics : de en
  • DK49138C - Procedure for the production of clichés. : da en
  • CH171085A - Heat-resistant object in the temperature range of 500-1200ºC. : de en
  • ES134745A1 - Improvements in the construction of planes to support aircraft. : en es
  • DE601364C - Air suspension, in particular for motor vehicles : de en
  • GB414986A - Two-stroke cycle internal-combustion engines : en
  • ES134913A1 - A rotary engine. : en es
  • GB414898A - A new or improved power transmission means : en
  • FR769102A - : fr
  • FR768854A - Improvements to independent wheel suspensions : en fr
  • US1969876A - Electric timepiece : en
  • FR769017A - Appliance for baking pastries on direct heat : en fr
  • US1970383A - Automatic furnace : en
  • GB414848A - Improvements in and connected with trawl fishing gear : en
  • US1969792A - Cone belt : en
  • US1970045A - Method and means of treating textile fibers : en
  • ES134864A2 - IMPROVEMENTS IN THE AUTOMATIC DISCONNECT BUTTON SWITCH ESPECIALLY SUITABLE AS CURRENT LIMITER : en es
  • US1969748A - Manufacture of basic derivatives of anthraquinone : en
  • ES133469A1 - Improvements in and related to gliders for flights without motor. : en es
  • DK49117C - Can with associated extruder for oil-based paints or similar. : da en
  • ES134134A3 - Device for projecting animated images on the screen. : en es
  • DE601454C - Loudspeaker and amplifier arrangement : de en