• ES130871A1 - A procedure to take advantage of fibrous waste, such as rags, spinning and fluffs of vegetable and animal origin, alone or mixed, to obtain pulverulent coal, pyrogenic acid and tar, usable in the industry. : en es
  • SU31326A1 - Manual shaking molding machine with tilting and shaping device : en ru
  • US1920747A - Gathering pool level regulator : en
  • FR750008A - Micro oscillograph : en fr
  • SU31073A1 - Apparatus for changing the potential distribution in the soil for mining exploration : en ru
  • SU31347A1 - Driving chain of steel forged links : en ru
  • DE581769C - Additional optical sound device for cinema playback machines : de en
  • GB396324A - Improvements relating to overhead electric lines : en
  • CH163013A - Process for the preparation of an anthrapyrimidine derivative. : de en
  • CH163140A - Process for obtaining a starting material intended for the production of pure corpus luteum hormone. : de en
  • AU860332A - Apparatus for use in forming tubular concrete structires : en
  • GB396387A - Improvements in or relating to electro-acoustic devices : en
  • SU31024A1 - Steam Superheater Element : en ru
  • US1920322A - Paper bag : en
  • US1920436A - Vibration insulator : en
  • US1920837A - Crate for sheet materials : en
  • ES1783U - Simplification tab for loading cartridges for hunting (Machine-translation by Google Translate, not legally binding) : en es
  • SU31273A1 - Device for cooling the working fluid coming from the throttling body to the servomotor for rotating the rotor blades of hydraulic turbines : en ru
  • ES130857A1 - A new variable diffusion carburetor for gasoline consumption adaptable to all types of internal combustion engines. : en es
  • FR42461E - Windshield wipers for motor vehicles : en fr
  • SU31013A1 - The method of obtaining compounds of bismuth with tartaric or citric acid : en ru
  • SU31293A1 - Device for cooling fats, emulsion for margarine, etc. : en ru
  • DE581992C - Roll-shaped tool with screw teeth of the same direction and alternating pitch : de en
  • FR42464E - Process for detecting the presence of certain bodies in the soil or elsewhere, and for studying their properties : en fr
  • ES131047A1 - A hidden key system for hunting shotguns equipped with an interposition lock of another piece in the advance of the firing pin that prevents accidental firing of the weapon. : en es
  • DE581983C - Control device for an air refill valve of a domestic water tank : de en
  • SU31195A1 - Combined Slip for Drive Belts : en ru
  • GB396371A - Improved warning device for vehicles : en
  • ES131105A1 - Procedure for the dehydration of copper sulphate in its application as dehydrating organic matter. : en es
  • ES130963A1 - A new lamp system for mines. : en es
  • FR749859A - Improvements to metal caps for the hermetic closure of bottles and similar containers : en fr
  • FR749892A - Improvements made to devices for dispensing flat elements, previously stacked, one by one, such as envelopes, in particular those for post-stamping machines : en fr
  • FR42487E - Advanced container for metallic varnish or other : en fr
  • FR749907A - Ski attachment : en fr
  • GB396439A - Improvements in controlling the humidity of air in enclosed spaces such as containers, picture frames and rooms : en
  • GB396227A - Improvements in or relating to beer or like engines or pumps : en
  • IE13453L - Bogies for rail vehicles. : en
  • FR749994A - Combined extendable coat rack and tie rack and the like : en fr
  • FR750021A - Spark plug cleaning device for internal combustion engines : en fr
  • FR750041A - Truss : en fr
  • US1920346A - Fixed condenser : en
  • US1920802A - Hand bag : en
  • SU30993A1 - Device for cleaning rolls : en ru
  • DE581539C - Machine tool combined from a lathe, milling and shaping machine : de en
  • FR750129A - Hydraulic machine tool table control : en fr
  • ES130832A1 - A process for the manufacture of concentrated lyes. : en es
  • FR749931A - Advanced Electric Switch, Remote Control, says: : en fr
  • SU31163A1 - Landing machine for sugar beet landings : en ru
  • DE581981C - Control device for motors of electrically operated toy locomotives : de en
  • CH163086A - Device for electromechanical locking of the shaft doors of elevator systems. : de en
  • GB396183A - Improvements relating to electrical plug sockets and their manufacture : en
  • ES1713U - System league perfected. (Machine-translation by Google Translate, not legally binding) : en es
  • CH163109A - Process for the regulation of self-excited asynchronous generators. : de en
  • DE581810C - Liquid shock absorbers : de en
  • DE581811C - Brake shoe spreader, in particular for motor vehicles : de en
  • SU31109A1 - Starting device for electric motors : en ru
  • FR749969A - Improvements to reel mechanisms in printing machines : en fr
  • IE12662L - Tinsel strings : en
  • US1920783A - Electrical regulator : en
  • GB396141A - Improvements relating to the coiling or piling of sliver delivered from textile preparing machines : en
  • ES1736U - Apparatus for gathering or stringing sheets of carbon paper. (Machine-translation by Google Translate, not legally binding) : en es
  • FR42512E - Process for the preparation of insecticide products : en fr
  • FR750087A - Crusher-grinder : en fr
  • US1920451A - Manufacture of condensation products of alpha urea and formaldehyde : en
  • US1920452A - Desk : en
  • GB396728A - An improved arrangement of a base support spring mattress : en
  • US1920502A - Hygrostatic control : en
  • US1920558A - Oil-less spring shackle : en
  • GB396226A - Method of manufacturing wooden vessels : en
  • DE581917C - Musical instrument with sound generated by electrical oscillation circuits : de en
  • ES131062A1 - A new device to open cans of preserves. : en es
  • GB396729A - Process for the production of mixed fertilisers : en
  • ES130839A1 - A surgical device to perform the ligature of the arteries remotely. : en es
  • FR750064A - Construction process for tunnels in aquifers : en fr
  • CH163092A - Hydroelectric storage machine group. : de en
  • ES131003A2 - IMPROVEMENTS INTRODUCED IN THE OBJECT OF THE MAIN PATENT NUMBER 130749 : en es
  • FR749948A - Device for sealing shaft crossings in gas-cooled electrical machines : en fr
  • DE581799C - Door sealing strip guided in arched slots and also acting as a stopper : de en
  • FR749985A - Safety circuit breaker, more particularly for motor cars : en fr
  • FR749887A - : fr
  • US1920323A - rossman : en
  • CH163029A - Address printing machine with device for selecting the printing plates to be printed. : de en
  • DE581908C - Camera used to record the fluctuations of a light beam on photosensitive film : de en
  • GB396410A - Improvements relating to the control of direct current electric motors : en
  • DE581798C - Warm air generator for air heating : de en
  • FR42523E - Long-life battery with constant electromotive force applicable in particular to electric watchmaking and other similar uses : en fr
  • US1920491A - Safety razor blade honer : en
  • FR749925A - Advanced training in aeromotor devices : en fr
  • GB396319A - Improvements in and relating to machines for spinning or twisting : en
  • ES1711U - Metal cage for the pressing of olive paste. (Machine-translation by Google Translate, not legally binding) : en es
  • FR750130A - Multipurpose appliance including, clothes and shoe dryer : en fr
  • FR750147A - Economizer cover for stove : en fr
  • GB396398A - Improvements in apparatus for use in the manufacture of artificial films and foils : en
  • DE581773C - Device for depositing the cigarettes coming from a stick cigarette machine : de en
  • ES131078A3 - Automatic bread dough divider-weighing machine. : en es
  • US1920712A - Freewheeling device : en
  • US1920310A - Signaling device : en
  • US1920826A - Animated illuminated sign : en
  • DE581876C - Damper, especially for scales : de en
  • FR749968A - Improvements in signaling devices for telephone installations, in particular for those with central battery : en fr
  • FR750165A - Invisible vision device : en fr
  • SU31282A1 - Machine for riveting tongue with knitting needle : en ru
  • SU31143A1 - Remote compass : en ru
  • SU31213A1 - Adaptation to the support lathe gaggle for automatic shutdown of the self-propelled : en ru
  • US1920182A - Cable forming machine : en
  • CA334532A - Rotary interrupter : en fr
  • DE581889C - Electrically heated thermal timer : de en
  • GB396217A - Manufacture of dyes and intermediate products therefor, and of sensitized photographic emulsions : en
  • DE581651C - Two-part mounting rings made of strip metal for loose-leaf books, the parts of which are connected to one another like a hinge : de en
  • DE581721C - Tube dryer : de en
  • FR749972A - Device intended to transform a single or polyphase current of any frequency into a single or polyphase current of another frequency, lower than the first : en fr
  • FR749851A - Astrological and horoscopic game : en fr
  • FR749930A - Furniture such as armchair or sofa convertible into bed : en fr
  • FR749878A - Auxiliary treads : en fr
  • FR750013A - Improvements to compositions for moisture protection : en fr
  • CH163003A - Process for the production of a wetting, dispersing, emulsifying and washing agent. : de en
  • ES130897A3 - Single furrow plow, reversible, automatic, special for tractors. : en es
  • GB396096A - Improvements in absorption refrigerating apparatus of the reversing type : en
  • GB396149A - Improvements in the construction of electrical storage water heaters : en
  • CA334488A - Air distributing method : en fr
  • CH162984A - Packaging for conical packages, especially rayon packages. : de en
  • CH163058A - Timepiece whose winding takes place automatically. : en fr
  • CH163084A - Power transmission device. : de en
  • DE581775C - Adjusting device for rolling mills : de en
  • GB396131A - Improvements in multi-spindle drilling machines : en
  • GB396202A - A method of converting polyphase current of a given frequency into alternating current of another frequency : en
  • GB396352A - Improvements in radial flow steam or gas turbines having axially displaced bladings : en
  • US1920435A - Full-fashioned knitting machine : en
  • US1920291A - Educational appliance : en
  • BE396799A - : en
  • BE396999A - : en fr
  • CA334549A - Naphtha debutanization : en fr
  • FR749917A - Apparatus for fuel injection in internal combustion engines : en fr
  • US1920166A - Vax and sulphur dyestuff : en
  • CH162944A - Solid fuel stove for high efficiency cooking and frying. : en fr
  • CH162980A - Foldable ironing table. : de en
  • GB396178A - Improvements relating to ironing cabinets : en
  • SU31245A1 - The method of obtaining clinker cement : en ru
  • US1920567A - Heating system : en
  • US1920742A - Protective system : en
  • ES130879A3 - A device for pipe ventilation. : en es
  • US1920479A - Recording meter : en
  • CA334482A - Angle cock bushing : en fr
  • US1920625A - Electrical detection and separation of coins from substitutes : en
  • CH162966A - A device for lubricating rings and sliders in twisting, spinning and similar looms. : en fr
  • DE581899C - Chair with an adjustable backrest : de en
  • CH162995A - Process for the purification of magnesium chloride. : en fr
  • CA334578A - Automotive air cleansing device : en fr
  • US1920225A - Tractor lubricating system : en
  • SU31345A1 - Fusible carburetor : en ru
  • DE581978C - Braking device for motor vehicles : de en
  • ES130894A1 - Improvements introduced in the manufacture of hats. : en es
  • GB396329A - Improvements in or relating to electro-optical apparatus for indicating acoustic signals and other sounds : en
  • CA334534A - Adzing machine : en fr
  • DE581996C - Mobile and swiveling removal scraper with discharge conveyor : de en
  • CH163108A - Electric collector, in particular for vehicles. : de en
  • DE581856C - Writing sheet set : de en
  • US1920554A - Moccasin : en
  • DE581848C - Injection ampoule : de en
  • FR750152A - Metal door : en fr
  • ES130885A1 - CONTROL DEVICE FOR CONCENTRATION AND INDUSTRIAL CRYSTALIZATION : en es
  • ES130891A3 - A magnetic speaker device. : en es
  • DE581714C - Production of low-silica hydrofluoric acid : de en
  • SU31019A1 - The method of obtaining sulfonic acids and tetraoxidine or their derivatives : en ru
  • US1920492A - Therapeutic silica compounds and method of making the same : en
  • GB396100A - Process for the manufacture of 2-alkyl-aminobenzene-1-carboxylic acid-4-sulphonic acids : en
  • GB396254A - Improvements in or relating to the manufacture of playing-cards : en
  • US1920439A - Tinning long strips : en
  • DE581650C - Air dry sizing machine : de en
  • DE581921C - Device for opening doors, windows, etc. like : de en
  • ES130949A1 - Process for the manufacture of molten aluminous cement. : en es
  • FR750191A - Improvements to carders, waste openers and agricultural machinery : en fr
  • CH163064A - Hard metal alloy. : de en
  • FR750171A - Improvements to articles covered with rubber and to methods of manufacturing such articles : en fr
  • GB396690A - Treatment of sulphide ores : en
  • ES130854A1 - A procedure, with the corresponding apparatus, to produce concentrated nitric acid. : en es
  • ES130952A3 - A procedure for the manufacture of splattered mosaics. : en es
  • FR749863A - Improvements made in the establishment of injection cannulas : en fr
  • US1920188A - Production of artificial materials : en
  • US1920896A - Radiator valve : en
  • US1920397A - Revolving door : en
  • US1920618A - Voltage regulating apparatus : en
  • US1920876A - Adjustable garment supporter : en
  • SU31188A1 - Power installation : en ru
  • SU31269A1 - Adaptation to weaving machines for shawls to the length of the fringe : en ru
  • AU1197533A - Improved means for drenching or spraying sheep or other livestock : en
  • BE396739A - : en fr
  • SU31185A1 - Method for producing powdered insecticide containing anabazine alkaloid : en ru
  • SU31050A1 - Device for single track autolock : en ru
  • US1920623A - Gas and liquid contact apparatus : en
  • SU31295A1 - Switchgear for sequencing in the sequential order of the locking bodies in power plants and working machines, etc. : en ru
  • US1920606A - X-ray cathode shield : en
  • US1920889A - Carpet sweeper : en
  • SU31074A1 - The method of obtaining brown dyes acridine row : en ru
  • DE581746C - Claw coupling with an intermediate piece that can be rotated between the claws of the coupling halves to secure the safe engagement of the claws : de en
  • CA334495A - Electric range : en fr
  • CH162939A - Process for firing ceramic pieces. : en fr
  • US1920358A - Insulating concrete : en
  • DE581613C - Bogie for trailers of motor vehicles : de en
  • CA334543A - Antenna : en fr
  • SU31177A1 - Sorting : en ru
  • US1920710A - Luminescent tube terminal connection sockets : en
  • CH162986A - Tie holder. : de en
  • DE581705C - Electrical switching device, especially for signal lamps : de en
  • CA334518A - Magnesium anti-corrosion process : en fr
  • CH163188A - Process for the preparation of a water-soluble dye of the anthraquinone series. : de en
  • SU31265A1 - Razborn dam : en ru
  • CH163069A - Device for winding a metal wire under a determined and constant tension around a rotating body to form an armature. : en fr
  • SU30994A1 - Device for switching the measuring and folding machine on and off from work : en ru
  • SU31291A1 - Mechanism to enable carriage in typewriter : en ru
  • US1920846A - Preparation of alkyl halides : en
  • FR750131A - Hydro-pneumatic pump with special tubes : en fr
  • DE581661C - Sheet feeding device for printing machines with a suction cup : de en
  • FR749901A - Slide rule on flexible support : en fr
  • GB396098A - Apparatus for determining the moisture content of flour, corn, beet pulp, tobacco and other moisture containing substances : en
  • SU31198A1 - Wedge scramble to connect pipes : en ru
  • US1920304A - Indicator : en
  • BE390074A - Advanced syringe. : en fr
  • CA334539A - Voltage transforming system : en fr
  • AU826932A - An improved process and apparatus for evaporating liquids at low temperatures : en
  • DE581754C - Swiveling, two-stage tilt stand for motorcycles : de en
  • DE581829C - Process for the extraction of fatty acids : de en
  • ES1744U - Die system for cutting and splitting carbon paper. (Machine-translation by Google Translate, not legally binding) : en es
  • FR42507E - Constant current direct current generator : en fr
  • GB396437A - Improvements in or relating to distributing valves for fluid pressure engines : en
  • US1920670A - Fabric envelope covered metal shank for shoes : en
  • DE581951C - Device for releasing compressed air from the fuel tank of lamps and stoves for liquid fuel : de en
  • ES1739U - A rubber hose (Machine-translation by Google Translate, not legally binding) : en es
  • CA334493A - Butyl and isopropyl alcohol : en fr
  • DE581922C - Device for locking window sashes in a gap-wise open position : de en
  • DE581932C - Inflatable hollow rubber bodies assembled from flat outer sheets and from one or more flat double-lobed inserts using edge seams : de en
  • DE581681C - Box front window : de en
  • BE396681A - : en fr
  • CA334427A - Headlight : en fr
  • DE581826C - Device for producing emulsions : de en
  • DE581656C - Manufacture of potash nitrate : de en
  • DE581820C - Grinding bar arrangement for pantographs or pantographs of electrically operated vehicles : de en
  • AU1061132A - Improvements in antiglare mechanism applicable to vehicle windshields : en
  • US1920543A - Fan : en
  • US1920823A - Bag stringing machine : en
  • DE581880C - Method of sinking open cesspools using pressurized medium flows : de en
  • ES130459A1 - Apparatus to supply heat to radiators. : en es
  • ES1425Y - Waving device for hair. : en es
  • AU832932A - Improvements in or relating to thermionic valve circuits : en
  • CA334439A - Closure cap : en fr
  • CA334506A - Electric cable : en fr
  • DE581814C - Process for the production of explosive mixtures of highest homogeneity : de en
  • SU31039A1 - Automatic coupler for railway rolling stock : en ru
  • US1920499A - Apparatus for continuous solvent extraction and method thereof : en
  • US1920870A - Slasher hood : en
  • CH163008A - Process for the production of a new azo dye. : de en
  • US1920815A - Distillation of crude oils : en
  • US1920761A - Method of and apparatus for the production of covered boxes : en
  • US1920331A - Conversion of high-boiling hydrocarbon oils into lower boiling hydrocarbon oils : en
  • CH163196A - Process for the preparation of a pigment dye. : de en
  • GB396161A - Improvements in or relating to vehicle brakes : en
  • FR42475E - Preparation process for powdered cements and mortars : en fr
  • GB396095A - Improvements in or relating to processes and apparatus for the distillation or deodorisation of liquids at low pressure : en
  • GB396315A - Improvements in or relating to luminous electric discharge tubes : en
  • FR749854A - Coupling device for railway vehicles : en fr
  • GB396150A - Manufacture of a gluten-like product : en
  • SU31240A1 - Training and demonstrative device for air defense : en ru
  • US1920875A - Jewelry : en
  • CA334496A - Fabric folding machine : en fr
  • CH162982A - Rotary stirrer for vacuum cleaning machine. : en fr
  • CH163185A - Process for the production of a new condensation product. : de en
  • CH163126A - Procedure for regulating the power factor in systems with grid-controlled mercury vapor rectifiers. : de en
  • ES1794U - Platero or dish rack. (Machine-translation by Google Translate, not legally binding) : en es
  • CA334557A - Matrix-setting and type-line-casting machine : en fr
  • CH163078A - Bearings. : de en
  • ES131071A2 - AN IMPROVEMENT IN A MOTOR HORN, OPERATED BY ASPIRATION : en es
  • GB396084A - Wave filter circuits : en
  • GB396205A - Improvements in and relating to high vacuum distillation systems : en
  • DE581772C - Method and apparatus for mixing tobacco leaves : de en
  • FR42502E - Improvements in processes and machines for collecting fresh cut fodder : en fr
  • FR750037A - Improvement in high frequency devices : en fr
  • SU31066A1 - Electric button switch : en ru
  • US1920337A - Marking machine : en
  • US1920501A - Trimming machine : en
  • US1920526A - Ice forming device : en
  • US1920884A - Suction stack for chimneys : en
  • ES131009A1 - A process of making frozen confections. : en es
  • GB396169A - Improvements in or relating to devices for use in supporting mine roots and analogous purposes : en
  • GB396233A - Improvements in separators or classifiers for ore pulp and the like : en
  • DE581655C - Purification of rock phosphates, especially calcium phosphates : de en
  • GB396212A - Improvements in and relating to apparatus for folding wrappers around tablets : en
  • DE581644C - Burner hood for safety lamps : de en
  • FR42484E - Improvements in the manufacture of knitted objects : en fr
  • FR749855A - Method for operating electric power generating installations comprising several dispersed factories : en fr
  • FR750141A - Process for manufacturing biscuits and similar products and machine for implementing this process : en fr
  • FR749905A - Safety clip for pens, wallets and similar items : en fr
  • SU31311A1 - Device for multiple radio transmission by wire : en ru
  • SU31204A1 - Pressureless valve for pipelines : en ru
  • US1920409A - Swaged tip for mechanical pencils : en
  • AU928432A - Improved method of extinguishing fires : en
  • US1920824A - Draw string bag and method of making the same : en
  • SU31167A1 - Cabbage harvester : en ru
  • US1920215A - Direction finder loop and control : en
  • US1920746A - Airplane toy : en
  • CH163153A - Record case. : de en
  • DE581806C - Process for the digestion of vegetable fibers : de en
  • DE581875C - Feed device for belt vulcanizing presses : de en
  • DE581878C - Device for the automatic determination of the mutual position of two points in a relative movement to one another : de en
  • DE581918C - Car with an articulated arrangement in the bracing : de en
  • US1920290A - Grinding machine or the like : en
  • US1920332A - Scale : en
  • US1920856A - Cooling device : en
  • US1920903A - High tension cable : en
  • US1920925A - Electrically operated valve : en
  • US1920275A - Method of forming metal type tubes : en
  • US1920396A - Medicine glass cover and marker : en
  • ES1740U - Graduated tricuarcicle with rotating radius and slider portatiralºneas, pens or punches. (Machine-translation by Google Translate, not legally binding) : en es
  • SU31333A1 - Quenching bath for quenching copper : en ru
  • USD90429S - Design for a bent window glass : en
  • SU31216A1 - The method of obtaining cellulose from the husk of cotton seeds and other plant materials : en ru
  • US1920888A - Destructive hydrogenation of distillable carbonaceous materials : en
  • US1920851A - Process for producing formates of alkaline earth metals : en
  • US1920412A - Harness connection for looms : en
  • FR749960A - Base for calibrated fuse cartridges : en fr
  • DE581825C - Friction disk spindle press with up and down spindle and slide guided in the press body : de en
  • SU30997A1 - Tool for agitating milled peat : en ru
  • SU31201A1 - Plug for water pipes : en ru
  • ES129882A1 - A device applicable to the mixture and for regulating the passage of the gas before entering the consumer device. : en es
  • GB396368A - Improvements in and relating to amphibious turbines : en
  • US1920300A - Teeming nozzle : en
  • US1920811A - Outlet box : en
  • US1920545A - Pipe coupling : en
  • GB396332A - Improvements in and relating to jigger conveyors : en
  • SU31350A1 - Multi punch punching machine : en ru
  • FR750007A - Two-stroke internal combustion engines with reverse gear : en fr
  • GB396144A - Improvements in or relating to relief printing machines : en
  • DE581904C - Hollow reinforced concrete ceiling : de en
  • BE397135A - : en fr
  • CH163101A - Gas or gas steam turbine. : de en
  • CH163179A - Process for the preparation of normal primary hexadecyl alcohol. : de en
  • FR749868A - Improvements made to containers for sticky pasty materials : en fr
  • GB396257A - Improvements in and relating to filtering devices : en
  • US1920631A - Sound amplifying horn : en
  • US1920782A - Automatic starting system for internal combustion engines : en
  • US1920357A - Heat exchange device : en
  • US1920886A - Valuable products from carbonaceous substances : en
  • DE581596C - Device for checking milk for cleanliness : de en
  • DE581882C - Switch-off device for washing machines : de en
  • SU31312A1 - Radio reception device : en ru
  • DE581617C - Locking device for bicycle alternators : de en
  • FR42514E - Process for obtaining marquetry effects on wood or other support : en fr
  • US1920472A - Sewing machine : en
  • US1920776A - High pressure boiler : en
  • SU31170A1 - Cotton harvesting machine : en ru
  • US1920551A - Wreath structure : en
  • SU31223A1 - Front for horse removal of logs from the forest : en ru
  • US1920508A - Refrigerating apparatus : en
  • DK47603C - Device for deep-water fishing gear with seine without belly and with free sub-counter. : da en
  • CA334440A - Carbureter : en fr
  • CH163035A - Coupling device between rangefinder and lens extension on photographic cameras. : de en
  • BE396946A - : en fr
  • CH163163A - Switching device for the lights of motor vehicles used to illuminate bends in the road. : de en
  • FR750114A - Hydraulic jet thruster for colonial ships and boats : en fr
  • DE581780C - Compressor, especially for refrigeration machines : de en
  • DE581986C - Production of hydrogen or hydrogen-nitrogen mixtures from methane or methane-rich gases : de en
  • FR750198A - Assemblies of parts forming a car body : en fr
  • GB396309A - Improvements relating to the manufacture of cellulose esters : en
  • SU31342A1 - Device for transmitting motion using double planetary gears to an overload fan for internal combustion engines : en ru
  • US1920714A - Lubricating means : en
  • DE581619C - Pen : de en
  • US1920476A - Traversing support for metal working machines : en
  • US1920801A - Distillation of tar, etc. : en
  • US1920664A - Time switch : en
  • US1920787A - Process of obtaining purified sulphonic acids : en
  • US1920559A - Thermoelectric element and thermocouple : en
  • CA334525A - Chrome nickel steel alloy : en fr
  • US1920226A - Telephone system : en
  • CH162985A - Carrying belt for rubberless compression stockings. : de en
  • BE396960A - : en
  • US1920391A - Water bicycle : en
  • CH162970A - Reel. : en fr
  • CH163134A - Electric lighting device. : de en
  • CH163106A - Heat exchange apparatus comprising parallel tubes. : en fr
  • FR42451E - Improvements to current transformers incorporating discharge devices : en fr
  • GB396313A - Composite or laminated glass and the production thereof : en
  • GB396356A - Cloth feed for sewing machines : en
  • ES1809U - Crimp of mouths of metallic containers fixed to the body of the containers (Machine-translation by Google Translate, not legally binding) : en es
  • SU31014A1 - Continuously operating apparatus for producing acetic acid : en ru
  • ES1753U - Cat for cars. (Machine-translation by Google Translate, not legally binding) : en es
  • DE581871C - Expansion switch for interrupting alternating current : de en
  • FR42459E - Membrane device and vibrating body suitable for producing sounds under aerodynamic action : en fr
  • GB396342A - Improvements in water-tube steam boilers : en
  • GB396145A - Improvements in or relating to wireless receiving apparatus of the superheterodyne type : en
  • GB396250A - Metallic powder and its process of manufacture : en
  • GB396253A - Rotary internal combustion engine : en
  • US1920474A - Shingle : en
  • US1920750A - Manually operated press : en
  • FR42457E - Mount for variable focal length lenses with decentring device simultaneous with focal lengthening : en fr
  • DK47599C - Superheterodyne radio receiver for Receiving two or more Wave Areas. : da en
  • ES130997A1 - A device that added to the engines built to work with essences, puts them in conditions to work with heavy oils or crude oils. : en es
  • DE581914C - Hay collecting, bundling and binding machine : de en
  • GB396407A - Improvements in or relating to universal joints : en
  • FR749872A - Improvements to welding processes : en fr
  • ES1804U - Column of combined advertising. (Machine-translation by Google Translate, not legally binding) : en es
  • FR42520E - Spring in ferro-nickel alloy, particularly for thermo-compensated oscillating systems : en fr
  • FR750012A - Assembly system of toy construction elements : en fr
  • GB396214A - Improvements in postage, employment, health, and otherlike adhesive stamps : en
  • GB396128A - Improvements in ships' hatch beams : en
  • FR750194A - Radiant Heaters Improvements : en fr
  • GB396133A - Improvements in or applicable to mechanical stokers for furnaces : en
  • US1920352A - Thermal type carbon black : en
  • FR42504E - Improvements to amplifier systems : en fr
  • FR42454E - Improvements in the manufacture of artificial filaments or threads : en fr
  • US1920423A - Composite steering wheel : en
  • ES130901A1 - A simple effect rotary motor or receiver. : en es
  • ES1790U - Coin purse. (Machine-translation by Google Translate, not legally binding) : en es
  • FR750136A - Light metal piston : en fr
  • GB396722A - Improvements in or relating to underfeed stokers for solid fuel : en
  • US1920740A - Steam boiler : en
  • FR42517E - Method and device for drying and cleaning hides : en fr
  • FR749989A - Bodies exposed to the risk of corrosion as a result of repeated shocks due to cavitation or the shock of drops of water : en fr
  • SU31309A1 - Handling device : en ru
  • SU31088A1 - Method for making flat belts and belt links from livestock intestines : en ru
  • US1920347A - Razor blade sharpener : en
  • SU31228A1 - Constipation for stiles, boxes, etc. : en ru
  • USD90406S - Design for a textile fabric or : en
  • CA334538A - Oscillation amplifying system : en fr
  • CH162958A - Float to protect the liquid contained in a vessel. : de en
  • DE581636C - Method of processing candles : de en
  • DE582003C - Combined longitudinal and transverse bearing for wheel sets, especially for conveyor wagons : de en
  • FR42532E - Colloidal filter for masks or other respiratory devices, intended to protect from harmful or toxic suspensions : en fr
  • GB396408A - Improvements in and relating to voltage regulators : en
  • DE581779C - Process for the preparation of 1-phenyl-2, 3-dimethyl-5-pyrazolone : de en
  • FR42486E - Apparatus for launching and raising lifeboats on ships : en fr
  • DE581717C - Device for influencing biological processes by means of a gas stream that carries electrical charges of predominantly one polarity : de en
  • US1920366A - Manufacture of drawn glass : en
  • SU31175A1 - Baker : en ru
  • DE581807C - Process for the production of reinforcement screens for X-ray recordings : de en
  • US1920266A - Assembling machine : en
  • US1920313A - Heat exchange apparatus : en
  • CA334422A - Flexible pocket receptacle : en fr
  • CH163071A - Band saw machine. : de en
  • US1920572A - Furnace grate stoker control : en
  • US1920929A - Process for cracking petroleum hydrocarbons : en
  • CA334573A - Straw or tube manufacturing machine : en fr
  • AU1879453A - Improvements in apparatus tobe tripped into operation by radiation andmore especially proximity fuzes : en
  • CH163177A - Process for the production of high percentage nitric acid by the catalytic combustion of ammonia with oxygen-containing gases. : de en
  • DE581927C - Firearm with barrel moved forward : de en
  • GB396153A - A machine for sealing paper or other bags, sacks and the like : en
  • DE581695C - Box for sewing thread rolls : de en
  • CH163154A - Paper pulp litter bins. : de en
  • CA334479A - Air strainer : en fr
  • DE581831C - Process for obtaining pure tetrahydronaphthylamines : de en
  • SU31082A1 - Sharpening machine : en ru
  • DE581997C - Sealing wall on the water side for dam clamps : de en
  • IE12450L - Electrically heated washing machine : en
  • AU842132A - Improvements in or relating to cereal foods and methods apparatus for the preparation thereof : en
  • SU31250A1 - Bag Hanging Holder : en ru
  • US1920791A - Method of soldering together cylindrical surfaces : en
  • SU31031A1 - Device for starting the pump that feeds the steam boiler condensate : en ru
  • SU31071A1 - Device to protect mercury rectifiers from short circuits and reverse ignitions : en ru
  • CH163161A - Vehicle construction. : de en
  • DE581604C - Device for rotating chucks with radially movable jaws : de en
  • CH163065A - Method and device for mixing granular material, in particular for processing molding sand. : de en
  • CH163093A - Guide vane adjustment device on centrifugal machines, in particular on water turbines. : de en
  • FR749981A - Automatic kettle : en fr
  • SU31358A1 - Pneumatic well pump : en ru
  • US1920183A - Microscopic projector : en
  • CA334545A - Wire handling device for bolt making machines : en fr
  • DE581872C - Electric discharge tubes : de en
  • DE581948C - Impregnation of wood and other vegetable matter : de en
  • ES1664U - Pants for men, boys and amazons. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396272A - Pumps for lubricants : en
  • CA334497A - Metal carbonyl : en fr
  • CA334587A - Salvage buoy : en fr
  • CH163007A - Process for the production of amines. : de en
  • CH163192A - Process for the separation of a mixture of isomeric vat dyes. : de en
  • ES130981A1 - An improved process for the preparation of a fuel oil for combustion engines. : en es
  • ES130998A1 - A process for manufacturing sulfuric acid by the contact method. : en es
  • FR749939A - Racing set with draw elements : en fr
  • SU31308A1 - Frequency multiplier : en ru
  • US1920200A - Knitted headwear : en
  • US1920336A - Method and apparatus for drawing glass : en
  • CH163012A - Process for the preparation of a dye of the triarylmethane series. : de en
  • SU31043A1 - Turntable : en ru
  • SU31236A1 - Apparatus for signaling in the blast furnace of metallurgical plants : en ru
  • US1920453A - Telegraphic intercommunicating system : en
  • CH163039A - Process for the preparation of photosensitive silver salt emulsions. : de en
  • US1920325A - Electric induction furnace : en
  • US1920873A - Excavating apparatus : en
  • CA334542A - Signalling device : en fr
  • CH163110A - Automatic controller for network coupling devices for setting a power dependent on the frequency of one network. : de en
  • US1920799A - Seal for electrolytic condensers : en
  • US1920773A - Granule and method of producing same : en
  • SU31133A1 - The method of obtaining refined copper : en ru
  • US1920172A - Activation of carbonaceous substances : en
  • US1920647A - Siphon breaker for oil burning : en
  • CA334547A - Protein solution : en fr
  • US1920242A - Hydrogenation of monovinylacetylene : en
  • US1920417A - Conveying mechanism for alpha stitching machine and the like : en
  • DE581732C - Gate valve for hot wind lines : de en
  • FR42473E - Double plow : en fr
  • GB396293A - Device for drawing metal tubes : en
  • SU31298A1 - Rail Attachment to Sleepers : en ru
  • US1920738A - Cleaning and polishing device, particularly applicable for manicure purposes : en
  • FR750045A - Loudspeaker enhancements : en fr
  • CH163083A - Gear change transmission. : de en
  • SU31243A1 - Sliding core (rolling pin) for the manufacture of asbestos-cement pipes : en ru
  • US1920562A - Radiator construction : en
  • US1920796A - Purification of organic compounds : en
  • USD90398S - Design fob a burial vault : en
  • US1920340A - Manufacture of coated papers : en
  • US1920717A - Process for producing aniline black and for preventing the weakening of the fibers : en
  • SU31149A1 - The method of determining the profile of the soil surface when testing agricultural machines, etc. : en ru
  • US1920335A - Bottle stopping liquid lifter and dispenser : en
  • US1920838A - Time indicator : en
  • SU31374A1 - Dam : en ru
  • US1920721A - Spraying device : en
  • USD90418S - Design fob a textile fabric or : en
  • US1920579A - Transmission : en
  • SU31022A1 - The method of separation of acetic acid from wood powder : en ru
  • SU31113A1 - Safety device for hoist lifting machines : en ru
  • US1920557A - Process of producing and treating sulphocyanate salts : en
  • BE396986A - : en fr
  • US1920808A - Surgical bandaging : en
  • CH163121A - Overcurrent switch with spark chamber. : de en
  • FR750124A - Automatic wire rewinder device : en fr
  • FR750163A - Device for suppressing suction in automobile engines in the event of interruption or restriction of the gas supply : en fr
  • CH163164A - Device for lifting vehicles on one side. : de en
  • CA334413A - Hand-tool for removing paint, etc. : en fr
  • SU31000A1 - Paper clip : en ru
  • US1920330A - Handle for vessels containing hot liquids : en
  • US1920343A - Core splicing machine : en
  • US1920806A - Control device : en
  • US1920299A - Dynamic loud speaker : en
  • US1920386A - Ring holder : en
  • US1920511A - Safety gas cock : en
  • US1920282A - Process of producing chlorinated hydrocarbon liquids : en
  • US1920284A - Water heater control : en
  • US1920353A - Merchandising carton : en
  • USD90403S - Design for a textile fabric or the : en
  • SU31137A1 - Device for testing shaped surfaces : en ru
  • US1920643A - Sewing machine : en
  • SU31197A1 - Cover to the breather grease fitting for steam locomotives : en ru
  • SU31211A1 - Spool valve type with spherical mirror : en ru
  • SU31340A1 - Seabed for fishing on the bottom : en ru
  • USD90410S - Design for a vending machine casing : en
  • US1920195A - Curtain support : en
  • DE581758C - Device for guiding Z-shaped sheet piles when ramming : de en
  • FR42468E - Improvements to assemblies using electronic relays : en fr
  • CA334522A - Production of iron and steel alloys : en fr
  • CH163193A - Process for the preparation of an indigoid vat dye. : de en
  • CH162938A - Process for the production of a pulverulent hydraulic building material containing bitumen. : de en
  • FR42482E - Cold glue : en fr
  • FR750095A - Large surface lighting fixture : en fr
  • SU31329A1 - Head for precise installation and strengthening of saws in the saw-frame : en ru
  • CA334498A - Acid dyestuff : en fr
  • US1920341A - Machine for operating upon hides, skins, and leather : en
  • US1920404A - Nut shredding machine : en
  • US1920887A - Production of valuable liquid products from solid distillable carbonaceous materialsby destructive hydrogenation : en
  • SU31032A1 - Refrigeration unit for diesel locomotives : en ru
  • SU31277A1 - Pressing automatic machine : en ru
  • DE581693C - Device for sprinkling enamel on iron objects : de en
  • ES130723A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 126363 : en es
  • CA334562A - Vitamin concentrate : en fr
  • CH163203A - Process for the preparation of a complex compound of antimony. : de en
  • SU31035A1 - Shutter for tipping cars : en ru
  • US1920490A - Wall construction : en
  • US1920951A - Gas manufacture : en
  • CH163079A - Device for automatic coupling of rotating machine parts. : de en
  • SU31042A1 - Mechanical brake with manual and automatic braking : en ru
  • CA334502A - Motor air supplying apparatus : en fr
  • DE581698C - Roll film processor : de en
  • SU31128A1 - Grinding machine : en ru
  • SU31168A1 - Combine dl for sunflower harvesting : en ru
  • SU31103A1 - The method of making glass limbs : en ru
  • ES130801A1 - IMPROVEMENT IN AND RELATED TO THE METHODS OF MIXING AND SUPPLYING MORTAR OF CEMENT AND ANALOG THROUGH THE APPARATUS DESCRIBED : en es
  • GB396699A - Improvements in means for coupling rotatable members : en
  • CH163122A - Mercury vapor rectifier, especially with a metal wall. : de en
  • SU31134A1 - Way to remove halfs : en ru
  • US1920302A - Metal working machine : en
  • US1920615A - Conveyer : en
  • US1920749A - Starting means for alpha split phase motor : en
  • CH162996A - Process for the preparation of a condensation product from 1,1,7-trimethyl-cycloheptene- (2) -aldehyde- (3) and acetone. : de en
  • SU31336A1 - Method for determining linear dimensions of bodies : en ru
  • US1920271A - Mining machine : en
  • SU31190A1 - Internal combustion turbine : en ru
  • US1920375A - Cash register : en
  • US1920946A - Rotary material reducing machine : en
  • CA334526A - Spare tire cover : en fr
  • CA334548A - Thermostat : en fr
  • CH163059A - Watch box-waterproof. : en fr
  • CA334564A - Grate bar : en fr
  • CH162977A - Process for dry cleaning of pieces of fabric, clothes, carpets and similar articles of daily use. : de en
  • CH163113A - Device for closing and interrupting a circuit by means of a mercury interrupter in a vertical arrangement. : de en
  • FR42545E - Improvements in temperature control of internal combustion engines : en fr
  • GB396389A - Improvements in devices for spraying insecticidal or other liquids : en
  • SU31046A1 - Arrow control lock : en ru
  • SU31054A1 - Speaker : en ru
  • US1920407A - Yellow azo dyestuff : en
  • CA334443A - High voltage bushing : en fr
  • CH162965A - Device for the manufacture of threads. : en fr
  • DE581608C - Scraper for the rolls with hard surface of paper machines, paper presses, calenders and the like. like : de en
  • US1920246A - Preparation of alkyl halides : en
  • US1920616A - Press unit drive : en
  • US1920622A - Gas manufacture apparatus : en
  • CA334475A - Automotive brake : en fr
  • SU31255A1 - Wooden seal : en ru
  • US1920213A - Telephone system : en
  • DE581730C - Attachment of steam or gas turbine blades : de en
  • DE581883C - Device for generating ultra-high pressure steam : de en
  • US1920305A - Locomotive : en
  • US1920364A - Surfacing machine : en
  • US1920381A - Lubricating means for pumps : en
  • FR42510E - Device intended to purify the intake air of the engines by removing the water in suspense : en fr
  • FR749896A - Method and device for detecting metals, metallic objects and ores : en fr
  • SU31202A1 - Deaf gland : en ru
  • US1920388A - Sheet-feeder : en
  • US1920932A - Pipe wrapping machine : en
  • DE568578C - Locking device on rucksacks : de en
  • ES1728U - A new ampoule for injectable liquids and especially serums (Machine-translation by Google Translate, not legally binding) : en es
  • FR42452E - Improvements to current transformers incorporating discharge devices : en fr
  • FR750055A - heating radiator screen : en fr
  • SU31314A1 - Oscillatory circuit : en ru
  • US1920542A - New dyeing preparation and its conversion to dyestuffs : en
  • DE581602C - Cattle tank with inflow chamber : de en
  • AU860932A - Improvements in or relating to apparatus for straining liquids or gases : en
  • DE581841C - Submersible antenna : de en
  • DE581892C - Electromagnetic pattern device for selecting the needles of a flat knitting machine : de en
  • US1920865A - Atomizer or sprayer : en
  • SU31196A1 - Driving Belts : en ru
  • SU31278A1 - An apparatus for making fasteners for clothes, shoes, etc. stamping from metal tape : en ru
  • US1920444A - Engine mounting : en
  • US1920533A - Material for wrapping or covering articles : en
  • US1920947A - Rotary material reducing machine : en
  • CA334467A - White pulp production : en fr
  • SU31145A1 - Pneumatic tube : en ru
  • US1920274A - Wave translating system : en
  • US1920512A - Pipe coupling : en
  • SU31084A1 - Nozzle protection box : en ru
  • US1920659A - Device for indicating wear of brushes : en
  • USD90431S - Design fob a container cap : en
  • SU31179A1 - Method of calling rain : en ru
  • US1920730A - Windshield wiper : en
  • ES131099A3 - Improvements introduced in cold bituminous pavement compositions. : en es
  • CA334583A - Heat treatment of steel rails : en fr
  • US1920320A - Paper bag and closure therefor : en
  • USD90430S - Design for a textile fabric or : en
  • US1920658A - Pressure packed swing joint : en
  • CH163155A - Pack. : de en
  • SU31307A1 - Modulation Device : en ru
  • US1920191A - Method of and system for impregnating articles : en
  • US1920319A - Subgrading machine : en
  • SU31140A1 - A device for automatically recording the radii of curves and angles of rotation in instruments for shooting a longitudinal profile of the path : en ru
  • SU31141A1 - Curve breaker : en ru
  • SU31218A1 - Gauch-shaft of folder, cardboard, etc. cars : en ru
  • US1920428A - Optical testing apparatus : en
  • US1920614A - Window structure : en
  • FR42549E - Membrane device and vibrating body suitable for producing sounds under aerodynamic action : en fr
  • SU31018A1 - The method of obtaining aniline hydrochloride : en ru
  • SU31348A1 - Pipe welded joint for pipelines : en ru
  • SU31268A1 - Handloom : en ru
  • CA334465A - Manifolding machine : en fr
  • CA334579A - Automotive air cleansing device : en fr
  • US1920419A - Printing machine : en
  • SU31286A1 - The method of obtaining antipyrine : en ru
  • US1920697A - Phosphoric acid salt of beta-bromethyltrimethyl-ammonium-theobromine-1-acetate and process of producing the same : en
  • CH163102A - Water tube boiler. : de en
  • ES1641U - Liquid bottled aperitif aperitif (Machine-translation by Google Translate, not legally binding) : en es
  • GB396200A - Improvements relating to the manufacture of loom shuttle pegs : en
  • CA334535A - Ball stud : en fr
  • DE542979C - Silencers for internal combustion engines, especially for aircraft engines : de en
  • FR750003A - Portable high pressure container for compressed and liquefied gases : en fr
  • CH163184A - Process for the preparation of an azo dye. : de en
  • FR749956A - Removable packing box : en fr
  • FR750044A - Static generator of electric pulses with adjustable frequency : en fr
  • ES130781A1 - Improvements in the manufacture of the head of the siphons. : en es
  • GB396154A - Improved process for the manufacture of conversion products of rubber : en
  • CA334420A - Cutter : en fr
  • SU31330A1 - Device for straightening the position of the log before entering it into the frame wood sawdust : en ru
  • US1920477A - Multiple register calculating ma : en
  • US1920915A - Dehumidifier : en
  • FR42456E - Improvements to hard metal alloys : en fr
  • CA334520A - Loading machine : en fr
  • CH163167A - Seat upholstery for saddles, in particular for vehicles. : de en
  • SU31244A1 - Method for increasing mechanical strength of cement concrete : en ru
  • US1920237A - Signal recorder : en
  • US1920561A - Photographic printing machine : en
  • BE396800A - : en
  • AU897732A - Improvements in and connected with lithographic and photolithographic processes : en
  • DE581720C - Gear drive for direction of rotation and speed change for machine tools, especially milling machines with changeable gears that can be changed by hand : de en
  • ES1787U - A new flycatcher (Machine-translation by Google Translate, not legally binding) : en es
  • FR750083A - Device for moving selvedge grippers in oars or other machines for widening, drying or guiding fabrics : en fr
  • FR750092A - Automatic circuit breaker : en fr
  • FR750154A - Process and devices for the production of stereoscopic films : en fr
  • USRE18910E - Process fob coloring toy balloons : en
  • DE581860C - Two-stage sludge digester : de en
  • DE581937C - Drive device for riflemen and gun-like locks : de en
  • US1920513A - Bathtub hanger : en
  • US1920527A - Dirigible headlight : en
  • DE581737C - Differential protection device for tap transformers with two controllable parallel branches : de en
  • DE581771C - Circular grinding spindle bearing, eccentrically adjustable on inclined surfaces : de en
  • FR42503E - Improvements to malleable tubes and similar receptacles containing thick or semi-liquid materials : en fr
  • FR750104A - Improvements to chains, and in particular to vehicle link tracks : en fr
  • CA334550A - Drying kiln : en fr
  • FR750145A - Fuel injection device for diesel engines : en fr
  • US1920524A - Coupling : en
  • US1920608A - Battery connection : en
  • US1920649A - High amperage rectifier : en
  • US1920940A - Means for holding slide valve to seat : en
  • CA334436A - Driving axle arrangement : en fr
  • CA334536A - Elevator indicator : en fr
  • CH163131A - Fuel oil gasifier burner, and other low volatile liquid fuels. : en fr
  • CH163202A - Electric multi-conductor cable. : de en
  • FR749906A - Piston with the bottom edge curved in a curve in space, for internal combustion engines : en fr
  • US1920916A - Selective seam detector : en
  • CH162937A - Device for automatic regulation of the temperature of sleeping places and bedrooms. : de en
  • FR749937A - Bottle tumbler device : en fr
  • FR750006A - Lid system for pressure vessels : en fr
  • US1920171A - Shoe shine box : en
  • FR749946A - Improvements to automobile hood closers : en fr
  • SU31107A1 - Mobile stair lift : en ru
  • FR750183A - Method and apparatus for the continuous distillation of magnesium : en fr
  • CA334533A - Garden hose support : en fr
  • CA334571A - Boat : en fr
  • ES1784U - A radiator element for all kinds of ortiginal heating that facilitates its assembly and increases the heating surface in relation to its weight (Machine-translation by Google Translate, not legally binding) : en es
  • US1920713A - Safety switch : en
  • US1920926A - Mineral oil emulsion : en
  • GB396338A - Sleeve or wristband polisher and duster : en
  • CH162954A - Dismountable and expandable rack. : de en
  • CH163204A - Wireless connection device. : de en
  • GB396099A - Improvements in or relating to oil burners : en
  • ES130317A1 - IMPROVEMENT OF THE APPARATUS FOR THE TREATMENT OF COTTON AND SIMILAR FIBROUS MATERIAL : en es
  • FR749877A - Flash lamps : en fr
  • FR750173A - Process for the preparation of aqueous suspensions of barium sulphate intended for chi-ray examinations and means for carrying out said process : en fr
  • GB396134A - Improvements in drilling machines : en
  • GB396400A - Improvements in or relating to disintegrating or grinding apparatus : en
  • FR749954A - Process for the separation or purification of substitutes for phthalic acids or anhydrides : en fr
  • GB396432A - Improved dispersions of coal in oil : en
  • CH162990A - Device for cleaning air and gases, in particular for vacuum cleaners, exhaustors, street dust collectors and air cleaners. : de en
  • CH163151A - Sign composed of a support and representative signs. : en fr
  • CH162987A - Means for producing a permanent crease. : de en
  • ES131046A1 - Arrangement for regulating the water content of steam generators. : en es
  • BE397278A - : en
  • CH163085A - Device for controlling a moving machine part. : de en
  • CA334563A - Coin freed weighing apparatus : en fr
  • CH162991A - Filter. : de en
  • CH163046A - Device for separating from a liquid contained in a pipe leading to a meter the gases which are occluded therein. : en fr
  • US1920939A - Valve seating device : en
  • DE581719C - Connection for pipes butt welded to one another at the end faces : de en
  • FR749902A - Bracelet with eyeshadow box : en fr
  • DE581621C - Game in which a special triggering device for a projectile falling from an airplane is provided for each player : de en
  • US1920236A - Police signal system : en
  • US1920414A - Flier construction : en
  • US1920845A - Refrigerating system : en
  • SU31189A1 - Pressure gas apparatus for operation : en ru
  • US1920180A - Electric cable : en
  • US1920249A - Aluminum base alloy containing copper, nickel, and silicon : en
  • US1920523A - Oleaginous solution of mercury compounds and method of preparing the same : en
  • DE581839C - Arrangement for practicing the method for periodic, fast changing (wobbling) of transmitter waves : de en
  • ES130632A1 - Improvements in the manufacture of products based on cement and asbestos or similar materials. : en es
  • GB396745A - Improvements in and relating to hollow metal structures such as masts, poles, and crane jibs : en
  • DE581973C - Air humidifier : de en
  • ES130892A1 - Device for telemechanical control for shock absorbers. : en es
  • FR749890A - Operating table for veterinary art : en fr
  • GB396165A - Improvements in or relating to loud speakers : en
  • DE581924C - Process and device for shrinking leather : de en
  • AU833232A - Improvements in or relating to paving roads, pathways, floors andthe like : en
  • FR749982A - Mattress cover : en fr
  • FR750040A - Section rotary compressor : en fr
  • FR750188A - Switch for electrical control of a meter : en fr
  • GB396094A - Improvements in or relating to step-by-step switches : en
  • FR42541E - Combiner specially applicable to lamps with two filaments : en fr
  • US1920758A - Hair waving pad : en
  • US1920790A - Gaff : en
  • ES131104A1 - Quick action electric switch. : en es
  • ES1560U - Seeder machine (Machine-translation by Google Translate, not legally binding) : en es
  • ES1759U - Apparatus for preparing and spreading powdered wax. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396327A - Improvements relating to electric lamps : en
  • FR749858A - : fr
  • ES130968A1 - An improved system apparatus for shrinking or shrinking fabrics or cloths. : en es
  • FR749951A - Manufacturing process of olefin hydration products : en fr
  • GB396346A - Improvement in hose and the manufacture thereof : en
  • DE581862C - Metal bobbin for automatic looms : de en
  • GB396316A - Improvements in or relating to reproducing machines : en
  • GB396334A - Improvements in exercising apparatus : en
  • GB396764A - Improvements in or relating to electric and engine electric traction : en
  • GB396219A - Improvements in the manufacture of knitted fabrics : en
  • GB396264A - Improvements in aeroplanes : en
  • US1920762A - Method of treating articles produced in one machine and consumed in another machine : en
  • FR749945A - Means and devices for the protection of marine propellers during their rotation : en fr
  • FR749947A - Improvements made to spring latches, and more particularly to automobile hood closers : en fr
  • SU31122A1 - Device for hanging to the sides of the vessels of cradles : en ru
  • US1920720A - Method of applying retread rubber to tires : en
  • US1920794A - Engine starter : en
  • USRE18907E - Tricalcium phosphate and alumixijm : en
  • ES131100A1 - A process for the production of a paste intended for actinic and rapid illumination. : en es
  • GB396267A - A new or improved lookout reflector for motor vehicles and the like : en
  • FR749996A - Improvements to riveting, punching, pressing, stamping and similar machines : en fr
  • FR42536E - Parabolic bulb lamp forming reflector : en fr
  • CH163017A - Rolling machine for mixing and kneading plastic masses, in particular soaps. : de en
  • CH163141A - Process for the preparation of the goldbenzimidazole-4-sulfonic acid sodium. : de en
  • SU31192A1 - Ball bearing fixture : en ru
  • CH163197A - Reflector. : de en
  • CH162936A - Equipment on buildings for fresh air supply to heated rooms. : de en
  • CH163103A - Electrically heated boiler system. : de en
  • SU31160A1 - Sheet metal dispenser : en ru
  • US1920192A - Remote control device for shock absorbers : en
  • US1920214A - Telephone system : en
  • US1920707A - Packing machinery : en
  • US1920774A - Trolley for conveyer systems : en
  • SU31365A1 - Alarm device for indicating the temperature rise of stacked or stacked materials : en ru
  • US1920495A - Method of making woven wire screen : en
  • US1920505A - Refrigerating apparatus : en
  • USD90415S - Design fob a textile fabric or : en
  • AU578432A - Improvements in burners for catalytic combustion : en
  • CH163168A - Shock absorption device on container transport trolley. : de en
  • DE581949C - Process for the production of shaped objects from aqueous dispersions etc. : de en
  • FR42540E - Reamer with blades adjustable by micrometric scale with direct reading : en fr
  • US1920549A - Slide loop : en
  • SU31288A1 - Spool steam distribution mechanism : en ru
  • US1920311A - Fungicibe : en
  • FR750067A - Improvements to multiple rack presses : en fr
  • CH163137A - Distributor of powdery products. : en fr
  • FR749940A - Racing game with dice : en fr
  • GB396143A - Improvements in thermionic valve circuits : en
  • CH163015A - Method and installation for the recovery of oils from used lubricating oils. : en fr
  • ES130853A1 - A new device to prepare homeopathic dilutions, or homoeopathic dynamizer. : en es
  • SU31068A1 - Relay : en ru
  • US1920548A - Battery terminal clamp : en
  • SU31304A1 - Tube generator : en ru
  • US1920333A - Method for the production of nitrosylchloride : en
  • US1920187A - Starter for engines : en
  • DE581687C - Method for microscopic examination of living objects : de en
  • GB396105A - Improved starting device for an internal combustion engine : en
  • GB396443A - Improvements in or relating to terminating circuits for two-way electrical signalling systems : en
  • SU31364A1 - Method of scorching hair from slaughterhouse waste : en ru
  • US1920360A - Automatic record changing phonograph : en
  • US1920424A - Inking mechanism : en
  • SU31101A1 - A device for transferring sheets laid out from the stretchable panels on a Fourco machine to the cutting places : en ru
  • SU31182A1 - Watering device for animals : en ru
  • CH163130A - Automatic ignition device on gas apparatus. : de en
  • CH163118A - Electrical control device, in particular for train lighting. : de en
  • SU31093A1 - A device for casting metal in a semi-fluid state under vacuum and under pressure : en ru
  • CH162978A - Method and device for dry cleaning of pieces of fabric, clothing, carpets and similar articles of daily use. : de en
  • CH163175A - Wide dyeing machine. : de en fr
  • DE581967C - Switching of electrical heating devices with several heating resistors and heated temperature controller : de en
  • GB396112A - Improved draught and weather excluder and rattling preventer for doors and windows : en
  • GB396742A - Improvements in and relating to frames for reciprocating engines : en
  • US1920411A - Apparatus for conditioning shoe stiffener parts and the like : en
  • USD90416S - Design for a textile fabric or : en
  • CH163076A - Metal plate for sharpening blades. : en fr
  • SU31129A1 - The device for clamping (stitching) galoshes tensioned on the front of the block : en ru
  • SU31346A1 - Fuel pump for internal combustion engines : en ru
  • US1920287A - Container closure : en
  • CH162948A - Briquette tongs. : de en
  • CH162993A - Process when working with organic compounds, these being converted into dispersed form. : de en
  • SU31148A1 - Seismograph : en ru
  • US1920416A - Collapsible grillage guard for door and window openings : en
  • US1920677A - Kiln lining : en
  • SU31323A1 - Air nozzle : en ru
  • US1920920A - Building construction : en
  • SU30992A1 - The method of processing recruited needles for combing machines : en ru
  • US1920373A - Process of synthesizing organic compounds containing oxygen : en
  • US1920489A - Combination padlock : en
  • DE581808C - Partially pressurized impeller pump : de en
  • ES130714A1 - An apparatus for the manufacture of waterproofed materials. : en es
  • GB396723A - Improvements in the manufacture of artificial films or foils and apparatus therefor : en
  • CA334484A - Furnace wall : en fr
  • AU840532A - Improvements in draft attachments of disc cultivators andthe like : en
  • US1920671A - Apparatus for making medley pictures : en
  • SU31047A1 - Double arrow lock : en ru
  • SU31355A1 - Safety device against breakage of shafts and axles device for presses, scissors, etc. cars : en ru
  • DE581671C - Electromagnetic charging switch for batteries : de en
  • GB396269A - Improvements in or relating to centrifugal machines for the manufacture of hollow bodies of cement, concrete or the like : en
  • GB396294A - Improvements in rotary engines and pumps : en
  • ES131004A1 - A procedure, with its corresponding apparatus, for the separation of coal, ores and other minerals and materials from their impurities and bargains by sand flotation. : en es
  • FR749973A - Process for the destruction of weeds : en fr
  • GB396422A - Improvements in or relating to cathode ray apparatus : en
  • GB396404A - Improvements in or relating to electric water-heating arrangements : en
  • GB396311A - Improvements in and relating to processes for the reduction of fats, oils, waxes, fatty acids and the like : en
  • DE581784C - Vehicle propulsion : de en
  • US1920390A - Fifth wheel construction : en
  • ES1727U - Glass container to display items. (Machine-translation by Google Translate, not legally binding) : en es
  • ES131044A1 - A system of change of speeds adaptable to bicycles. : en es
  • FR42463E - Method and apparatus for making concrete piles : en fr
  • DE581607C - Fourdrinier paper machine with fixed screen table and shaken screen : de en
  • DK47598C - Electrodynamic Sound Conversion Device. : da en
  • FR749933A - Leaf stop : en fr
  • GB396292A - Improvements in or relating to automatic lathes : en
  • FR749898A - Method and apparatus for the continuous production of solid litharge from pieces of metallic lead : en fr
  • GB396278A - Improvements in pneumatic and electric conductors for use particularly in connectionwith milking machines : en
  • US1920186A - Heating system : en
  • US1920788A - Device for transmitting measured values to alpha distant point : en
  • FR750132A - Improvements to machines for stripping wool and other textile materials : en fr
  • GB396277A - Improvements in balloons : en
  • GB396372A - Improvements in and relating to methods of converting direct into alternating current : en
  • GB396392A - Improvements in and relating to ladders, step ladders or pairs of steps : en
  • ES1716U - Sofa bed. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396195A - Improvements in leaf springs and bearing elements therefor : en
  • DE581999C - Playing cards or similar cards for advertising purposes or the like. : de en
  • ES130441A3 - Rubber soles and heels manufacturing procedure. : en es
  • CH163045A - Device for measuring and searching for underfloor fittings, measuring points and the like. : de en
  • DE581626C - Fuel container : de en
  • DE581673C - Process for the production of magnetizable alloy powder for mass cores : de en
  • US1920293A - Optical pyrometer : en
  • DE581672C - Electromagnetic overcurrent release or relay with delay through a heat-sensitive element : de en
  • DE581925C - Air rifle : de en
  • GB396191A - Electrodeposition of metal alloys : en
  • ES130905A3 - An apparatus for the automatic injection of air into the wheels of automobiles. : en es
  • FR749867A - Improvements made to cooling devices using liquid circulation, for internal combustion or internal combustion engines : en fr
  • FR750062A - Odorless manhole cover : en fr
  • ES130365A1 - AUTOMATIC DEACTION APPARATUS BY THE ACTION OF HEAT : en es
  • ES1645U - Sanitary container for waste. (Machine-translation by Google Translate, not legally binding) : en es
  • DE525426C - Device for determining eye astigmatism, in which a disc with a curved curve can be rotated within a graduation : de en
  • ES131048A1 - Improvements in the manufacture of glasses and special anti-glare glasses for glasses, visors, screens and similar articles. : en es
  • GB396260A - Improvements in automobile wind screens : en
  • DE581752C - Musical instrument with sound generation by electrical means : de en
  • FR750134A - Device preventing the formation of ice or mist on vehicle windshields or windows : en fr
  • DE581709C - Lubricating device for the rings and runners of ring spinning and ring twisting machines : de en
  • GB396125A - Improvements in and relating to foundry moulding machines : en
  • GB396215A - Improvements relating to the control of the volumetric output and discharge pressure of centrifugal fans and blowers, particularly of the free intake type, by modification of the intake conditions : en
  • SU31114A1 - Hand drum with cable clips around the circumference : en ru
  • US1920371A - Floating pump unit : en
  • SU31038A1 - Auto Scene : en ru
  • CA334530A - Hydraulic turbine runner : en fr
  • AU1006632A - Improvements in or relating to centrifugal separators : en
  • BE397280A - Manufacturing process for flooring : en fr
  • CH163116A - Time switch for daily and weekly switching with electrical elevator device. : de en
  • DE581830C - Process for the preparation of substituted acetamides : de en
  • AU840132A - Hand tool for sewing the neck closures of fabric sacks : en
  • CA334581A - Filing device : en fr
  • CH163138A - Process for the preparation of an organic bismuth compound. : de en
  • CH163041A - Strip of sealskin. : de en
  • BE397249A - : en fr
  • US1920537A - Guide for correct grinding of twist drills : en
  • US1920651A - Steering arrangement for motor cars : en
  • US1920438A - Treatment of absorbent material : en
  • SU31353A1 - Sewing machine for sweeping fabric edge : en ru
  • US1920839A - Pointing device for stone carvers : en
  • US1920900A - Apparatus for producing electrically welded pipe and tubing : en
  • US1920312A - Collapsible crate : en
  • US1920661A - Spring suspension : en
  • US1920872A - Regenerative furnace : en
  • DE581988C - Closed fuse cartridge : de en
  • DK47608C - Device for riding and lace trousers. : da en
  • DE581812C - Security device against theft of motor vehicles : de en
  • FR749961A - Device for increasing the breaking capacity of circuit breakers in oil : en fr
  • FR750024A - Cable terminal for arrangement in support or distribution board : en fr
  • CH163087A - Hydraulic-pneumatic jack. : de en
  • FR749964A - Preparation of aromatic amino bases : en fr
  • US1920199A - Closure for collapsible tubes and the like : en
  • US1920571A - Combined chassis frame and support : en
  • US1920927A - Ferrule for cable ends and method of forming same : en
  • CH163095A - Rotary piston internal combustion engine with auxiliary fluid. : de en
  • SU31263A1 - Device for unloading firewood, etc. wood : en ru
  • US1920700A - Paper bag : en
  • SU31184A1 - Mobile device for spraying and pollinating with poisonous substances of plants in order to eradicate insect pests : en ru
  • SU31048A1 - Device for signaling on sorting slides : en ru
  • US1920475A - Track clearing implement : en
  • USD90404S - Design for a textile fabric or the : en
  • SU31070A1 - The method of manufacture of electronic devices : en ru
  • SU31303A1 - Semi-automatic telephone device : en ru
  • CH162935A - Cross slide. : en fr
  • CH162946A - Device for dust removal, etc. : en fr
  • SU31225A1 - Leaf spring for crews : en ru
  • CH163077A - Hand tool usable as screwdriver, window cleaning and cutting tool, especially for painters and joiners. : de en
  • CH163194A - Process for the preparation of an indigoid vat dye. : de en
  • DE551312C - Device for cooling glowing material to be kept blank : de en
  • ES130443A1 - A procedure for the hardening and waterproofing of cardboard for the manufacture of packaging and all kinds of boxes for food products. : en es
  • GB396286A - Process and apparatus for applying ink to the printing plates of high speed intaglio printing machines : en
  • GB396370A - An improved process for producing shaped articles : en
  • AU1099833A - Improved apparatus for governing and correcting register and web tension in previously printed or marked rolls of materials in web form, and particularly for the synchronous unwinding and insetting thereof in connection with rotary web printing, folding, cutting and assembling machines, or the like mechanisms : en
  • CH162932A - Process for the production of a floor covering. : de en
  • CH162955A - Steam boiling and warming device for coffee, tea etc. : de en
  • CH162963A - Method and device for supplying the spinning bath to the spinnerets when spinning rayon. : de en
  • US1920550A - Accelerator foot pedal : en
  • US1920891A - Driving gear for printing presses : en
  • SU31235A1 - Otoscope : en ru
  • CH163186A - Process for the preparation of a water-soluble dye of the anthraquinone series. : de en
  • DE581632C - Switch with a rocking lever : de en
  • DE581736C - Reversing pole excitation for multi-phase generators : de en
  • CA334505A - Electrical coil : en fr
  • CA334584A - Heat treatment of steel rails : en fr
  • CH163200A - Reversible rotary pump. : en fr
  • GB396197A - Improvements in high tension electric fuses : en
  • GB396386A - Improvements in extensible clothes props : en
  • US1920777A - Typewriter : en
  • USD90402S - Design fob a changeable sheet : en
  • US1920855A - Sliding door cabinet : en
  • CH163005A - Process for the preparation of a new sulfonic acid. : de en
  • CH163026A - File box. : de en
  • US1920702A - Manufacture of cellulose ethers, in particular benzylcellulose : en
  • US1920345A - Fog penetrating apparatus : en
  • CH162962A - Cleaning device with bristles. : de en
  • DE581666C - Tunnel boring machine : de en
  • AU855532A - Sterilization of liquids : en
  • FR749884A - Device for sharpening razor blades : en fr
  • CA334470A - Fluid pressure brake : en fr
  • US1920198A - Superheater : en
  • US1920248A - Process for refining gasoline-containing distillates : en
  • US1920830A - Method of making propeller blades : en
  • CA334421A - Railway hand brake : en fr
  • CA334429A - Safety razor : en fr
  • DE581691C - Drain valve : de en
  • ES130829A1 - An apparatus for simultaneously or individually replacing the coil, capacitor or plates of the electrical system, whether this type delco or magneto type, of the explosion engines and to find and locate the faults in the cables, rotor, spark plugs : en es
  • FR750106A - Firing efficiency control process : en fr
  • US1920657A - Reel for films and other flexible material : en
  • US1920232A - Numbering attachment for printing machines : en
  • US1920736A - Process of carrying out fermentations and similar biochemical reactions by means of bacteria : en
  • CA334445A - Ice cream freezer : en fr
  • CH163022A - Device on paper machines for the continuous drying of the drying felts. : de en
  • DE581817C - Device for releasing the leaf in loose leaf looms : de en
  • US1920514A - Recording speed indicator : en
  • US1920943A - Self-supporting hosiery : en
  • CH163091A - Centrifugal pump with suction air vessel. : de en
  • DE581768C - Method for winding a web of material made of paper o. : de en
  • SU31009A1 - The method of obtaining ethyl alcohol : en ru
  • SU31294A1 - Blast Furnace Closing Machine : en ru
  • US1920334A - Locomotive stoking mechanism : en
  • CH162983A - Clip, in particular for textile goods. : de en
  • ES130928A1 - PROCEDURE FOR THE MANUFACTURE OF LIGHT STONES, REVOCATIONS FOR WALLS AND INSULATING MATERIALS AGAINST SOUND AND HEAT : en es
  • GB396312A - Improvements in or relating to turbine blading : en
  • CA334446A - Mower cutter sharpening machine : en fr
  • ES131110A1 - PROCEDURE FOR OBTAINING FINALLY DIVIDED METAL COMBINATIONS : en es
  • US1920406A - Process of preparing derivatives of naphthalene-1.4.5.8-tetracarboxylic acid : en
  • US1920528A - Process of reclaiming electric lamps and bulbs : en
  • ES130828A3 - Improvements in hair drying devices. : en es
  • CH163105A - Refrigeration system with centrifugal compressor. : de en
  • FR749955A - Device for making price tags : en fr
  • FR749997A - Photocinematographic diaphragm indicator : en fr
  • FR750138A - Float, in metal, with extendable antenna for angling : en fr
  • DE581749C - Welding compounds or welding wires : de en
  • DE581936C - Tubular, full-walled centrifugal drum : de en
  • DE581822C - Impeller pump with circulating auxiliary fluid, which is guided in a channel of variable radial height and axial width : de en
  • FR749978A - Device for obtaining stamping, embossing and clear or coiling impressions on paper or cardboard during production : en fr
  • USRE18908E - Film forming element : en
  • CA334425A - Wood drying apparatus : en fr
  • GB396763A - Structural bracing means for vehicle chassis frames : en
  • GB396348A - Improvements in or relating to the manufacture of photo-electric cells : en
  • US1920599A - Vaporizer : en
  • US1920694A - Automatic engine stopping means : en
  • US1920724A - Bearing : en
  • ES130994A1 - Improvements in the manufacture of hunting shotguns. : en es
  • FR750010A - Device for locking zippers : en fr
  • DE581762C - Insulating body made of hard paper with metallic inserts embedded in this : de en
  • FR42485E - Sealing device for waterless gasometers : en fr
  • FR750049A - Device for gas washing : en fr
  • DE581748C - Copper solder for soldering sintered or melted carbide, nitride, silicide and boride alloys that may contain auxiliary metals : de en
  • DE581873C - Process for the decomposition of hydrocarbon oils under pressure : de en
  • GB396231A - Improvements in abrasive tools, and in methods and apparatus employed in their manufacture : en
  • US1920882A - Display case : en
  • DE581646C - Electrically powered hand scraper : de en
  • FR750082A - High speed regulator : en fr
  • FR750060A - Handwheel for motor vehicles and other applications : en fr
  • CA334415A - Motor cycle saddle : en fr
  • SU31096A1 - Portable funnel for metal pouring : en ru
  • US1920327A - Briquette and method of manufacturing briquettes : en
  • SU31110A1 - Slingshot : en ru
  • SU31249A1 - Nozzle for spraying sludge into a rotary kiln : en ru
  • US1920422A - Metallic spool : en
  • CH163081A - Pipe connection. : de en
  • DE581657C - Production of pure iron oxide suitable as a titre material : de en
  • DE581787C - Device for regulating prime movers for driving alternating current machines : de en
  • ES130876A3 - An improvement in textile fiber spinning machines. : en es
  • GB396152A - Improvements in furnaces for use with steam boilers, and the like : en
  • ES1785U - Heating stove (Machine-translation by Google Translate, not legally binding) : en es
  • SU31012A1 - The method of obtaining the products of condensation of furfural with higher fatty acids and their use in dyeing and sittsepravleniya : en ru
  • US1920516A - Article of tableware : en
  • SU31352A1 - Electric forging machine : en ru
  • US1920387A - Wave saving cap : en
  • DE581759C - Overmolding device : de en
  • GB396240A - Improved packing devices to prevent oil leakage along shafts : en
  • GB396363A - Improvements in apparatus for cleaning and treating feathers : en
  • FR42513E - Process for clarifying the contents of fermentation and settling vessels : en fr
  • FR749993A - Game marker : en fr
  • FR750036A - Device for dispersing paraffin or any other substance on any objects : en fr
  • GB396326A - Improvements in d. c. dynamo electric machines : en
  • DE581804C - Machine for punching, pressing, bending and cutting metal or similar malleable material with tools arranged like a turret : de en
  • DE581898C - Device for shredding logs : de en
  • ES130161A1 - IMPROVEMENTS IN THE METHODS OF PRODUCING PAINT : en es
  • FR749929A - Detachable metal frame mounts to the tires to increase grip : en fr
  • FR750057A - Improvements to measuring devices with moving equipment returned by a spiral spring : en fr
  • CH163148A - Remote temperature display device. : de en
  • GB396097A - Improvements in or relating to the manufacture of unsplinterable composite articles such as safety glass : en
  • DE581909C - Device for determining the liquid level in a container : de en
  • DE581958C - Rail fastening with rail guide rails welded onto the iron sleeper : de en
  • SU31258A1 - Mobile Swinging Loader : en ru
  • US1920725A - Bearing : en
  • ES130923A1 - Improvements in the facilities to mix pulverulent materials and make them homogeneous. : en es
  • US1920716A - Concrete and like block making : en
  • US1920168A - Operating member or stick for hot line equipment : en
  • US1920772A - Locomotive driving box : en
  • FR749924A - Improvement in arrows and other projectiles for rifles and pistols for children : en fr
  • CH162931A - Reinforcement panel that can be used as formwork and plaster base. : de en
  • US1920646A - Protective relay for tube transmitters : en
  • CH163096A - Internal combustion engine with cam gear. : de en
  • USD90396S - Design for a textile fabric or : en
  • DE581664C - Condenser divided into sections, where the condensate is discharged from the individual sections through special pipes : de en
  • CA334450A - Inductive control device : en fr
  • FR42493E - Improvements to wheels or pneumatic tires for vehicles of all types : en fr
  • FR750200A - Method and means for treating or using cotton pits and other fibers from hats traveling in rotary hat cards : en fr
  • GB396271A - Improvements in or relating to long distance telephone cables : en
  • FR750179A - Maneuvering device using pressurized fluid : en fr
  • CH162998A - Process for the preparation of a uniform crystallized peroxide from tetrahydronaphthalene. : de en
  • FR42499E - High breaking capacity calibrated fuse cartridge for high current installations : en fr
  • GB396132A - An improved strap for wristlet watches : en
  • SU31136A1 - Skin thickness measuring machine : en ru
  • US1920748A - Electrical switch gear : en
  • US1920518A - Fastener : en
  • US1920520A - Circle suspension : en
  • SU31087A1 - Steam Dust Fuel Furnace : en ru
  • US1920519A - Police club : en
  • US1920894A - Electric switch : en
  • SU31119A1 - Shaped stone for masonry walls : en ru
  • ES130982A1 - A procedure of decoration on glass. : en es
  • ES1762U - Tablets and medicated tablets for birds (Machine-translation by Google Translate, not legally binding) : en es
  • ES1786U - Indescendible cameras. (Machine-translation by Google Translate, not legally binding) : en es
  • US1920862A - Spring assembling machine : en
  • FR749958A - Turbine operated by steam or other elastic fluid : en fr
  • DE581785C - Device for wavy looping through an intermediate insulation made of ribbon or thread-like material between the individual wires of one or more wire layers of a conductor : de en
  • DK47587C - Method for Spraying Materials in the Sprayed State by means of a condensed gas in which the material to be sprayed is dissolved. : da en
  • DK47601C - Fastening device for curtain rods, porter rods and the like. : da en
  • ES130986A1 - Spring drive for switches with connection spring and interrupting spring. : en es
  • ES130175A1 - Improvements in the manufacture of electrical conductors. : en es
  • US1920351A - Mop connecter : en
  • DE581879C - Electrical remote measuring device with suppression of the lower part of the measuring range : de en
  • DE581835C - Circuit arrangement for coin telephones : de en
  • SU31092A1 - Model Machine Molding Plate : en ru
  • US1920425A - Motor vehicle : en
  • US1920944A - Thread-cutting mechanisms for sewing machines : en
  • US1920202A - Lubricating composition : en
  • ES130605A3 - Improvements in the manufacture of metal pins or safety pins covered or lined with perforated celluloid. : en es
  • ES1720U - Collective mailbox for tenement houses and similar buildings. (Machine-translation by Google Translate, not legally binding) : en es
  • ES1751U - A new layer (Machine-translation by Google Translate, not legally binding) : en es
  • ES130855A1 - An electric arc discharge pipe filled with gas. : en es
  • ES131033A3 - A procedure for making a perfume or cosmetic. : en es
  • FR749871A - New siphon : en fr
  • FR750065A - New amino compounds : en fr
  • GB396135A - Manufacture of an adenosine phosphoric acid : en
  • GB396291A - Marine engine plant : en
  • US1920317A - Process of decorating buttons : en
  • US1920592A - Wheel holding device : en
  • FR749952A - Improvements to the hydration of olefins : en fr
  • US1920462A - Carbonated beverage refrigerating apparatus : en
  • CA334501A - Brake mechanism : en fr
  • CA334527A - Sling : en fr
  • SU31077A1 - The method of obtaining grinding polishing powder : en ru
  • CH163062A - Sintered hard metal alloy for implements and tools. : de en
  • ES131043A3 - A rotating cylinder circular loom system for making patterned or non-patterned stockings and socks. : en es
  • FR750074A - Product allowing the autogenous bonding of the paper as well as obtaining transparent protective films : en fr
  • GB396103A - Improvements in or relating to vacuum-tight seals for current leads into quartz or refractory glass vessels : en
  • GB396247A - Improvements in or relating to anti-skid horse-shoes, and the like : en
  • GB396283A - Improvements in or relating to rolling friction bearings for sliding doors and windows : en
  • US1920257A - Practice bomb : en
  • US1920506A - Traction device : en
  • CH163009A - Process for the preparation of an easily soluble basic dye. : de en
  • SU31208A1 - A method of manufacturing all-metal hulls of airships to other items : en ru
  • US1920298A - Manufacture of rubber substitutes and products derived therefrom : en
  • US1920517A - Purification of solid aromatic compounds containing adhering impurities : en
  • SU31161A1 - Tool for cutting tracks in the snow on the floor x : en ru
  • SU31214A1 - Chuck with a device for quick changing drills and shooting it from the spindle of the machine : en ru
  • US1920440A - Fluid fuel controller : en
  • US1920683A - Electrical generating and distribution system and apparatus therefor : en
  • US1920256A - Apparatus for assembling heel-lifts and rands : en
  • CA334503A - Pump : en fr
  • SU31111A1 - Pneumatic drum winch on a trolley : en ru
  • US1920590A - System of control for electric elevators : en
  • US1920928A - Draw works : en
  • DE581633C - Process for the operation of several asynchronous motors, which are electrically coupled on the stator and rotor side : de en
  • SU31159A1 - Coin sorting machine : en ru
  • US1920369A - Elevator door operating system : en
  • CH163143A - Gas mask. : de en
  • DE581852C - Wheel pressure compensator, especially for railway vehicles : de en
  • US1920521A - Locking device : en
  • US1920907A - Steam generator for automotive vehicles : en
  • FR749895A - Mechanical kneader-mixer : en fr
  • SU31169A1 - Motor floating mower for cleaning reeds : en ru
  • US1920252A - Presser foot mechanism : en
  • SU31344A1 - Method and device for restoring lubricating oil in internal combustion engines using exhaust gases : en ru
  • US1920385A - Can perforating and contents pouring lid : en
  • SU31317A1 - A device for making laminated insulators of capacitors, etc. : en ru
  • SU31356A1 - The control mechanism to the pneumatic pump for deep wells : en ru
  • US1920220A - Aerating device : en
  • US1920813A - Receptacle lock : en
  • US1920899A - Haircloth holder : en
  • CH163050A - Device for shutting down control and similar apparatus on rotating machine parts. : de en
  • DE581789C - Protection arrangement for three-phase lines : de en
  • SU31191A1 - Rubber shock absorber : en ru
  • USD90417S - Design for a shoe : en
  • US1920596A - Hydraulic actuating and control valve means : en
  • CH163135A - Process for the production of an X-ray contrast medium. : de en
  • US1920245A - Nozzle : en
  • US1920795A - Production of hydrocyanic acid : en
  • USD90428S - Design fob a nut cracker : en
  • SU31328A1 - Construction plate for wall cladding, panels, etc. : en ru
  • US1920329A - High-speed relaying equipment : en
  • US1920624A - Floor polisher : en
  • US1920735A - Process of effecting bacterial fermentation without multiplying the cells : en
  • CH163094A - Shear-resistant disc. : de en
  • USD90419S - Design fob a textile fabric ob : en
  • DE564076C - Device for washing and rinsing dishes and cutlery : de en
  • SU31215A1 - Bell crusher : en ru
  • SU31217A1 - Device for removal of wood pulp in thickeners : en ru
  • US1920272A - Shock absorber : en
  • SU31166A1 - Beet harvesting machine : en ru
  • SU31003A1 - Automatic switch for double oil filter : en ru
  • US1920181A - Reel : en
  • US1920227A - Storage carton : en
  • US1920756A - Softening water : en
  • US1920673A - Air circulating means for portable hammers : en
  • DE551609C - Bracket connection for railroad tracks : de en
  • ES131001A3 - Procedure for obtaining ammonia sulfates. : en es
  • SU31135A1 - The method of obtaining hard alloy : en ru
  • SU31222A1 - Rotary Mooring for airship : en ru
  • US1920905A - Lime slaking apparatus : en
  • FR42533E - Improvement in the process of tempering glasses and glasses by air jets normally directed at their surface : en fr
  • US1920295A - Sheet feeding mechanism : en
  • US1920410A - Railway car coupler : en
  • US1920442A - Purification of solutions of zinc salts : en
  • US1920667A - Rotary brush : en
  • US1920732A - Spinning centrifuge : en
  • ES130663A1 - A procedure and its corresponding special apparatus for the refrigeration, conservation and transportation of fresh produce, beverages and other articles susceptible to breakdown due to heat. : en es
  • ES130804A1 - Vaporizer device of insecticides and fungicides immunizing the seeds of all the parasites that can be carriers. : en es
  • FR749889A - Small parts rollover automatic filing cabinet : en fr
  • CA334452A - Screw nut manufacturing device : en fr
  • DK47595C - Process for the preparation of reaction products of ketene, in particular acetic anhydride. : da en
  • ES1757U - Bottle to throw ink or similar that can be closed by a threaded cap (Machine-translation by Google Translate, not legally binding) : en es
  • FR750199A - continuous drainer-flattener : en fr
  • USD90400S - Design for a radio cabinet : en
  • CA334509A - Calendar clock : en fr
  • CH163176A - Cutting scissors. : de en
  • US1920638A - Method of preparing oxide free metal containing no voids : en
  • CA334448A - Necktie : en fr
  • US1920265A - Spring and spring cup maker and assembler : en
  • US1920833A - Closure : en
  • US1920481A - Manufacture of fiber sheets and apparatus therefor : en
  • US1920840A - Hose nozzle : en
  • CA334507A - Sulfite manufacture : en fr
  • ES131035A1 - A procedure for the manufacture of footwear with rubber sole. : en es
  • FR750120A - Nipkow disc telecision receiver with multi-turn spiral and synchronous motor cover control : en fr
  • FR750155A - Process for the projection of stereoscopic images : en fr
  • SU31094A1 - Method of casting steel inserts with lead bronze : en ru
  • BE397192A - : en fr
  • CH163074A - Machine tool driven by an electric motor to drive a tool rotating around its axis. : de en
  • CA334492A - Exhausting mechanism : en fr
  • AU1012132A - Improvements in or relating to hygienic appliances for use in combination with telephones, speaking tubes and like apparatus : en
  • SU31036A1 - Wheel brake of railway vehicles : en ru
  • CA334559A - Sweeper : en fr
  • CH162952A - Foldable double bed furniture. : de en
  • US1920825A - Page storage cabinet : en
  • CA334449A - Beam scale poise : en fr
  • CA334569A - Meter recording mechanism : en fr
  • CH163090A - Multi-stage centrifugal pump with axial thrust relief. : de en
  • CH162988A - Peaked cap. : de en
  • GB396190A - Improvements in oil-immersed and like electric switches or circuit breakers : en
  • SU31016A1 - The method of producing chlorisoprene and its polymerization products : en ru
  • SU31241A1 - Press for artificial stones : en ru
  • US1920362A - Hollow rivet setting tool : en
  • SU31377A1 - A device for driving piles, tamping, paving, etc., operating internal fuel explosions : en ru
  • US1920288A - Container closure : en
  • US1920812A - Locomotive : en
  • US1920816A - Vehicle door construction : en
  • AU637232A - Improvements in or relating to airline oilers : en
  • SU31180A1 - Refrigerator for milk and cream : en ru
  • US1920544A - Automatic regulating system : en
  • CA334481A - Flexible diaphragm device : en fr
  • FR750026A - Insole : en fr
  • US1920238A - Wave translating system : en
  • SU31105A1 - Device for automatic feeding of sheet metal to a stamping machine : en ru
  • SU31173A1 - Tractor sheaves zalka : en ru
  • US1920535A - Locomotive stoker : en
  • US1920612A - Refrigeration : en
  • DE581846C - Process for liquefying tribromomethyl alcohol : de en
  • ES1767U - Wooden container for handling fish on fishing boats. (Machine-translation by Google Translate, not legally binding) : en es
  • FR42471E - Corrugated cardboard and battleship : en fr
  • FR749857A - Type wheel typewriter : en fr
  • CA334491A - Ventilator latching mechanism : en fr
  • CH162934A - Sealing device on doors with adjustable guide rails and sealing rails. : de en
  • CA334561A - Vitamin concentrate : en fr
  • SU31370A1 - Sealing device in rotary kilns and the like. buildings : en ru
  • US1920224A - Rotating mechanism : en
  • US1920421A - Metallic spool : en
  • SU31157A1 - Fiber Break Tester : en ru
  • US1920864A - Frame for cigarette packages : en
  • ES130712A2 - NEW APPLICATIONS OF PATENT NUMBER 130378 : en es
  • GB396119A - Improvements relating to steam boilers : en
  • GB396171A - Fuse for anti-aircraft shells : en
  • ES130921A3 - Improvements in talking machines. : en es
  • DE581733C - Tilting device for railway tipping wagons : de en
  • DE581950C - Tobacco container with pipe stoppers : de en
  • GB396151A - Improved electric insulating material or other substances which need to be very hard and with high insulating properties : en
  • SU31178A1 - The method of isolation of seeds from grape marc : en ru
  • US1920279A - Automatic train pipe connecter : en
  • SU31271A1 - Machine for cleaning weaving ber : en ru
  • SU31284A1 - The method of separation of iron from mineral salts : en ru
  • US1920575A - Wheel rim ornamental bead : en
  • CH162930A - Reinforced concrete slab and its construction process. : en fr
  • CH163157A - Containers made of paper, wood pulp or other paper-like material. : de en
  • CA334478A - Fluid pressure brake : en fr
  • DE581935C - Paring knife for centrifugal machines : de en
  • ES131083A3 - A process of making natural American pineapple syrups. : en es
  • FR750032A - Further training in papermaking : en fr
  • CH163142A - Powder box. : en fr
  • US1920584A - Sawing of logs : en
  • SU31305A1 - The method of stabilization of the cathode generator : en ru
  • SU31067A1 - Electrostatic Voltmeter : en ru
  • DE581723C - Circular knitting machine with endless ribbons : de en
  • FR750052A - Whale for belts, corsets and the like : en fr
  • FR750047A - Electrically equipped bell automatic control device for the ringing of the angelus : en fr
  • GB396335A - Improvements in resiliently articulated joints : en
  • US1920201A - Alternating piston rotary engine : en
  • DE581902C - Device for boiling eggs without a shell : de en
  • ES130720A3 - A procedure for curling and waving hair. : en es
  • GB396441A - Improvements in or relating to emergency exits more particularly for closed passenger vehicles : en
  • GB396385A - Improved process of and apparatus for the manufacture of abrasive articles : en
  • FR749870A - Wagon pusher device : en fr
  • ES1292Y - Car seat for children. : en es
  • FR749990A - Hole punch foil : en fr
  • ES1746U - Apparatus for gymnastics of the type called wall pulley. (Machine-translation by Google Translate, not legally binding) : en es
  • FR749998A - Improvements to machines intended for the manufacture of shoes and particularly for the glassing of soles : en fr
  • FR750081A - Helical wire for sawing marble, granite, hard or soft stones, or natural or artificial materials : en fr
  • GB396194A - Improvements in and relating to means for supplying current to direct current motors from an alternating current source : en
  • FR750111A - Process for making natural fur more full, and resulting products : en fr
  • FR750027A - : fr
  • GB396318A - Esters of fatty-aromatic acids with aminoalcohols and process for obtaining the same : en
  • US1920259A - Method for determining and measuring distances : en
  • FR749864A - Machine to wash straws, blinds, boards, and similar cheese equipment : en fr
  • DE581654C - Cleaning of tar or bituminous sulfur using oleum : de en
  • DE581913C - Fork tedder : de en
  • GB396281A - Improvements in or relating to the manufacture of elastic textile goods : en
  • GB396341A - Improvements in water-tube steam boilers : en
  • ES129888A1 - A construction procedure of a mechanical saddle horse. : en es
  • ES1718U - Device applicable to all kinds of domestic burners and homes to burn heavy oils. (Machine-translation by Google Translate, not legally binding) : en es
  • ES130883A1 - A device to prepare the wheat or grain to its descaling. : en es
  • FR750016A - Process for the preparation of dyes of the azine series : en fr
  • GB396339A - Improvements in hobs for cutting worm wheel teeth : en
  • FR750043A - Cash collector : en fr
  • US1920857A - Dental impression material : en
  • US1920507A - Airplane construction : en
  • US1920719A - Aerating device : en
  • ES126969A3 - A new spittoon system. : en es
  • US1920251A - Shock absorber : en
  • US1920276A - Corner fastener : en
  • US1920666A - Rolling shelf : en
  • DE581903C - Bag gripper : de en
  • FR749980A - Improvements to pulse-emitting mechanisms : en fr
  • FR749987A - Improvements to corsets, bras or other similar underwear : en fr
  • GB396691A - Improvements in late news and like boxes : en
  • DE581881C - Spin for laundry or the like. : de en
  • DE581989C - Machine for pressing liquid materials of all kinds into porous workpieces, especially leather, fabric and the like. like : de en
  • DE581642C - Device for tensioning and locking iron straps around boxes : de en
  • ES130881A1 - Braking connection for AC motors of elevators without free fall position. : en es
  • FR750176A - Tap : en fr
  • CH163119A - Control device for DC motors fed with constant amperage. : de en
  • DE562061C - Ceiling or wall made of room-length or floor-to-ceiling molded concrete pieces : de en
  • DE581977C - Thread cutting stock with automatically opening, wedge-shaped cutting jaws : de en
  • DE581821C - Automatic electric regulator : de en
  • FR749965A - Refrigeration improvements : en fr
  • ES131037A3 - A procedure for coloring skin with hair. : en es
  • FR42501E - Method and apparatus for the flow of sweat steam baths : en fr
  • GB396354A - Improvements in and relating to resinous compositions : en
  • DE581640C - Adjustment and glazing tool : de en
  • US1920841A - Paper wrapper for expansible materials : en
  • DE581710C - Form for games, e.g. B. Racing Games : de en
  • FR42526E - Improvements made to level indicators for liquids, in particular to gauges for fuel tanks : en fr
  • GB396401A - A new or improved display device for use with hosiery, neckties, scarves and like articles : en
  • FR42455E - Panel for subscriber meter board : en fr
  • FR749915A - Process for manufacturing aliphatic anhydrides : en fr
  • FR749988A - Pipe enhancements : en fr
  • FR750118A - Mop : en fr
  • ES130453A1 - Improvements in radio transmitters. : en es
  • DE581711C - Device for introducing cooling gas into rotary tube furnaces : de en
  • CH163125A - Device to facilitate the starting of mercury vapor rectifiers. : de en
  • FR750088A - Improvements to rotary displacement compressors : en fr
  • FR42547E - Curler fixing device for hair waving devices : en fr
  • US1920418A - Means for conveying and cleaning cotton in alpha harvesting machine : en
  • SU31026A1 - Steam boiler : en ru
  • US1920933A - Liquid fuel vapor burner : en
  • DE542950C - Heating jacket for agitators : de en
  • DE581718C - Control device : de en
  • DE581770C - Capsule making machine : de en
  • ES130907A1 - A procedure for making books for accounting. : en es
  • FR749938A - Electric hob : en fr
  • FR750075A - Electric servo device controlled by members having a very low torque : en fr
  • ES1756U - Bucket chain for the extraction of water from wells or wells of any system. (Machine-translation by Google Translate, not legally binding) : en es
  • FR42544E - Improvements to gear changes : en fr
  • ES130851A1 - A new system that allows the automatic coupling of DC machines. : en es
  • DE581735C - Electric commutator o. The like. With movable, z. B. circumferential lamellas and brushes formed from conductive fluid jets : de en
  • DE581946C - Arrangement for material examination by means of X-rays : de en
  • FR749992A - Refrigeration process using solid carbon dioxide : en fr
  • FR750054A - Method and devices for pneumatic transmission for locomotives with diesel engines : en fr
  • FR749926A - New Water Insoluble Mono-Azo Dyes and Method of Preparation : en fr
  • GB396220A - Improvements in or relating to ladies' handbags : en
  • FR42467E - Device for synchronizing and paralleling alternators : en fr
  • GB396086A - Improvements in or relating to shoe upper conforming machines : en
  • GB396298A - Improvements in or relating to vehicle bodies : en
  • GB396206A - Improvements in the manufacture of yeast and other microorganisms : en
  • SU31193A1 - Variable diameter pulley : en ru
  • US1920674A - Variable pitch propeller : en
  • US1920922A - Process for dewaxing and refining oils : en
  • US1920722A - Means for fastening glass : en
  • SU31172A1 - Reaping threshing machine : en ru
  • US1920211A - Refining of lead : en
  • US1920836A - Cone winding apparatus : en
  • US1920949A - Coke oven apparatus : en
  • CH163201A - Single or multi-phase, three or multi-winding transformer. : de en
  • FR749984A - Electric motor running at low speed : en fr
  • GB396391A - Improvements in or relating to traffic signal posts : en
  • GB396213A - Improvements in or relating to washing machines : en
  • US1920441A - Self-closing outlet-fitting for air-gauges : en
  • US1920763A - Valve controlled fluid pressure tool : en
  • SU31132A1 - The method of processing sulfite concentrations : en ru
  • CH163180A - Process for the preparation of triallylacetonitrile. : de en
  • USRE18906E - Flexible metallic coupling : en
  • SU31037A1 - Colic to strengthen the locomotive box boxes : en ru
  • SU31299A1 - Driving device for regulating the size of kickbacks when braking railway cars, etc. : en ru
  • CH163060A - Instant calendar timepiece. : en fr
  • CA334426A - Sheet, film or foil manufacture : en fr
  • CA334444A - Animal trap : en fr
  • CH162999A - Process for the preparation of acetoethyl alcohol. : de en
  • DE581599C - Ten key calculator : de en
  • CA334418A - Metal tapered tubing making machine : en fr
  • ES1774U - Hinge-hinge whose two elements combined allow the assembly and disassembly of metal doors, windows and balconies with ease. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396138A - Improvements in seats, chairs and like furniture : en
  • ES1595U - Rolling table. (Machine-translation by Google Translate, not legally binding) : en es
  • DE581815C - Ventilation device with sight glass and bayonet lock for filling devices : de en
  • DE581893C - Circular knitting machine : de en
  • FR750034A - Methods of manufacturing felt articles and in particular gaiters : en fr
  • GB396301A - Improvements in or relating to safety razor blades and razors : en
  • SU31351A1 - Method and device for riveting items accessible from one side : en ru
  • US1920174A - Carburetor : en
  • ES131032A3 - A mechanical procedure for placing thin razor blades with their side holes hooked into holding tabs of a strip of paper or other suitable material that can be folded at equal intervals and used to pack the blades : en es
  • GB396208A - Improvements in or relating to electric signs : en
  • GB396434A - Improvements in or relating to the dry-cleaning or dyeing of fabrics and other materials : en
  • AU843632A - Improvements in and relating to connecting means or adapters for placing electrical appliances into electric circuits : en
  • GB396249A - Improvements in or relating to pistons and method of making the same : en
  • FR42476E - Process for producing insoluble azo dyes on fiber : en fr
  • GB396295A - Collar stud or fastening : en
  • ES131059A1 - Improvements in general projectiles launched with smoothbore weapons. : en es
  • FR750020A - Hygienic and protective cover for insulated bottles and baby bottles : en fr
  • DE581606C - Process for the production of full, undivided chocolate eggs to be wrapped in a metal foil : de en
  • ES130655A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT NUMBER 123954 : en es
  • US1920368A - Method of producing nitrogen containing cases : en
  • FR749883A - Improvements relating to electrical circuit breakers : en fr
  • FR750099A - Machine for the continuous printing of positive films and counter-types by means of sonic cinematographic film negatives : en fr
  • FR750161A - Automatic train heating control device : en fr
  • GB396730A - Improvements in and relating to the manufacture of tinsel strings or garlands and like articles : en
  • SU31007A1 - The method of distillation of crude products of benzene chlorination : en ru
  • ES130598A1 - Improvements in mechanical transmission mechanisms. : en es
  • FR42472E - Motorcycle chassis : en fr
  • FR42496E - Brake improvements for automobiles and the like : en fr
  • AU940432A - Photographic roll film : en
  • CH163104A - Refrigeration installation. : en fr
  • DE581609C - Scraper for cleaning surrounding surfaces : de en
  • GB396124A - A resilient stuffing material or thick wad or bat with method and means for production : en
  • FR750031A - liquid current electrolyser for sterilizing food liquids : en fr
  • GB396424A - Improvements in the production of films and foils : en
  • FR750023A - Automatic coupling with central buffer : en fr
  • US1920570A - Distributive refrigerating evaporator : en
  • US1920644A - Hat finishing machine : en
  • US1920904A - Rock-boring machine : en
  • DE581615C - Metal doors for motor vehicles, especially for convertibles : de en
  • FR42494E - Device for automatically maintaining constant the power of an internal combustion engine, in particular for diesel-electric vehicles : en fr
  • SU31220A1 - Centrifugal pump : en ru
  • US1920349A - Process of separating and isolating the active substances of the posterior lobe of the hypophysis : en
  • ES1680U - Pattern designed to facilitate cutting, (Machine-translation by Google Translate, not legally binding) : en es
  • FR749943A - Loudspeaker enhancements : en fr
  • SU31315A1 - Variometer : en ru
  • DE581774C - Switching device for stirring and beating machines : de en
  • DE581828C - Process for the production of glycolic acid from acetic acid : de en
  • DE581941C - Process for obtaining the products in the pressure hydrogenation of types of coal, tars, mineral oils and the like. like : de en
  • GB396167A - Improvements in and relating to diesel-electric and like power transmission systems : en
  • DE581842C - Device for charging batteries via voltage-reducing ballast resistors and with detachable cable connections between the charging switchboard and battery as well as with a special voltage circuit for the voltage coils of measuring instruments and switchgear that are to be connected to the battery voltage and are only measured for the battery voltage : de en
  • ES1769U - Guide tab for wheel of mobile vehicles on rails. (Machine-translation by Google Translate, not legally binding) : en es
  • DE581713C - Overmolding device : de en
  • DK47597C - Steam heater for use in railway vehicles and for other purposes. : da en
  • FR749873A - Motor boat engine improvements : en fr
  • GB396237A - Improvements in or relating to electric switches : en
  • GB396276A - Process for the manufacture of anhydrides of fatty acids : en
  • CA334517A - Degreasing method : en fr
  • ES131068A1 - Perfeccionamientos in the manufacture of espadrilles and slippers of canvas, cloth or other fabrics. : en es
  • GB396224A - Improved method of making salad servers : en
  • GB396351A - Manufacture of a peroxide from tetrahydronaphthalene : en
  • DE581809C - Tilt protection for mobile, erectable and extendable fire brigade turntable ladders : de en
  • DE581906C - Rolling grilles : de en
  • GB396357A - Arrangement of the motor in electrically operated sewing machines : en
  • ES130454A1 - Amplifier improvements with resistance and capacitance coupling. : en es
  • ES1709U - Print or copy all kinds of drawings or photogravures. (Machine-translation by Google Translate, not legally binding) : en es
  • FR42500E - Process for obtaining metal ingots : en fr
  • GB396273A - Improvements in methods of and apparatus for interleaving sheets of paper : en
  • DE581912C - Device for planting plants with the soil surrounding the root : de en
  • SU31064A1 - Oil circuit breaker : en ru
  • GB396189A - A baking, roasting and sterilising apparatus : en
  • ES130989A1 - A method of manufacturing shoes provided with a fence or strip. : en es
  • FR42491E - Trailer wagon : en fr
  • FR749894A - Stick ski wax box : en fr
  • GB396359A - Improvements in and relating to processes of sifting pasty materials particularly cement pastes, treated in a wet state : en
  • ES131008A1 - A mechanical calibrator for olives. : en es
  • FR750071A - Developments to shippers : en fr
  • FR750196A - Bending machine : en fr
  • GB396168A - Improved means for indicating the position of sunken ships : en
  • DE581628C - Weaners : de en
  • DE581792C - Arrangement for taking constant consumer voltage from a network with variable voltage : de en
  • ES130875A1 - Improvements related to gyroscopic devices, particularly for aircraft use. : en es
  • FR749888A - Double leaf dam : en fr
  • FR42508E - Heliograph : en fr
  • FR750146A - Racket game : en fr
  • GB396198A - Improved latch bolt : en
  • SU31224A1 - Brake device for carts : en ru
  • FR749922A - Process for the preparation of color photographs : en fr
  • GB396369A - Improvements in and relating to internal combustion engines : en
  • GB396780A - Improvements in the preparation of catalytic materials and of carriers therefor : en
  • FR750127A - Device for spreading and maintaining webs of paper or fabric in this form : en fr
  • DE553831C - Additional device for the telephone : de en
  • ES130878A3 - Bottle capping-capping machine. : en es
  • ES1765U - Padding or filling material for upholstery applications and as a sound insulator. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396170A - Improvements relating to the rheostatic braking of electric motors : en
  • CH163004A - Process for the preparation of camphene. : de en
  • SU31116A1 - The method of heating buildings with a two-pipe system of central water or air heating : en ru
  • US1920810A - Process for making cigarette cartons : en
  • DK47586C - Locking device for cow straps, consisting of opening neck straps. : da en
  • ES130202A2 - A PROCEDURE FOR REPRESENTING TEXTS, FIGURES OR MARKS ON PHOTOSENSITIVE SURFACES OR PHOTOGRAPHIC PRODUCTS : en es
  • GB396166A - Improvements in and in the manufacture of tables : en
  • GB396446A - Improvements in or relating to display devices for articles of merchandise : en
  • US1920522A - Double wire and cable gripping device : en
  • USD90408S - Design fob a textile fabric : en
  • ES130959A1 - Improvements in bicycles, tricycles and similar. : en es
  • FR749963A - Preparation of infusible artificial masses : en fr
  • FR750175A - Improvements to television systems and the like : en fr
  • GB396310A - Improvements in and relating to thermal air and vapour cabinets : en
  • DE581887C - Method and device for producing an autogenous welding or soldering connection between cables : de en
  • FR750185A - Improvement of the seats and backs of chairs in general and carriages for children or patients and chairs and cars with application : en fr
  • DK47604C - Intermediate layer made of a tough material for connection by soldering very high-strength materials with especially high-alloy steel. : da en
  • FR750035A - Process facilitating the handling, use and storage of zinc phosphide : en fr
  • CH163067A - Method and apparatus for reducing the thickness of metal webs by prescribed amounts. : de en
  • DE581870C - Electromagnetic speaker system : de en
  • ES130943A3 - A mechanical procedure for securing tire casings or packaging. : en es
  • FR749918A - Ventilation system, for closed cars, and window device specific to its realization : en fr
  • GB396367A - Improvements in automatic telephone systems : en
  • US1920525A - Method for manufacturing toothed v-type belts of rubber impregnated cloth : en
  • US1920565A - Separation of mixtures of water with oil : en
  • US1920652A - Method of heating, hardening, and tempering of hollow steel propeller blades : en
  • US1920718A - Paper cutting machine : en
  • US1920804A - System of distribution : en
  • CA334462A - Bag and lining : en fr
  • CH163120A - Timing relay. : de en
  • DE581685C - Extension tube, especially for tripods : de en
  • CH162972A - Process for the mechanical production of pile fabrics and installation on looms for carrying out the process. : de en
  • DE581843C - Beam passage window, especially for cathode ray or X-ray tubes : de en
  • ES130890A3 - A process to produce a vegetable or artificial fuel based on vegetable matter and waste. : en es
  • FR750116A - Improvements to ephemeris, office blocks or similar : en fr
  • DE581874C - Soot blow-off device for pipe preheater : de en
  • ES130966A3 - Automatic shutter for the entry of liquids into all kinds of tanks and containers. : en es
  • GB396116A - Improvements in or relating to electric signalling systems : en
  • ES130926A1 - Improvements in underwater mines. : en es
  • FR750053A - Process for the manufacture of organic bodies, applicable in particular to the preparation of ethyl alcohol and acetone : en fr
  • US1920645A - Concrete form construction apparatus : en
  • CA334476A - Valve seat : en fr
  • CA334504A - Animal skin tanning process : en fr
  • FR749876A - Support device with clip loop for bandages and other similar articles of clothing : en fr
  • USD90420S - Design fob a textile fabric ob : en
  • CH163132A - Headlights. : de en
  • ES1733U - Comb brooms and changeable handles. (Machine-translation by Google Translate, not legally binding) : en es
  • AU897132A - Improved lawnmower fitting to minimize roller-rising andthe like : en
  • US1920446A - Oil burner : en
  • SU31057A1 - Device for selective removal of telephones included in a common line : en ru
  • SU31212A1 - Multi-threading method : en ru
  • SU31209A1 - The method of preparation of steel bearings for casting antifriction alloy : en ru
  • CH162943A - Method of manufacturing heating blocks. : de en
  • US1920405A - Process of making fine line printing plates : en
  • US1920752A - Fluid pressure regulator : en
  • CH162942A - Device intended to hide an object, in particular a lock cover. : en fr
  • US1920372A - Papier-mache article : en
  • GB396164A - Improvements in or relating to control equipments for direct current electric motors : en
  • DE581667C - Device for automatic control of the heating of several mutually closed rooms, e.g. B. the compartments in railroad cars : de en
  • DE581624C - Frame connection for building kits : de en
  • SU31205A1 - Planetary gear transmission : en ru
  • US1920901A - Pipe wrapping machine : en
  • SU31118A1 - Concrete building : en ru
  • US1920384A - Stove wick and its composition : en
  • US1920685A - Electric water heater : en
  • CA334521A - Egg product : en fr
  • DE581641C - Process for the production of electrical timers of all kinds : de en
  • ES129953A3 - Water intake column in case of fire. : en es
  • US1920426A - Vat dyestuffs of the pyrazolanthrone series and process of making them : en
  • CH163107A - Thermocouple. : de en
  • CH163133A - Incandescent lamp with reflective coating. : de en
  • US1920254A - Pyrotechnic composition for producing yellow smoke : en
  • SU31164A1 - Beetroot Planting Machine : en ru
  • US1920586A - Brief case, portfolio, and other container : en
  • US1920318A - Submersible power unit : en
  • CH163098A - Fuel injection device for internal combustion engines. : de en
  • DE581634C - Method of relieving animal glue of the tension that arises during drying : de en
  • FR42505E - Process for the manufacture of lime chloride : en fr
  • US1920639A - Composition of matter for use in treatment of diseases of the skin : en
  • US1920786A - Container of the hand opening and closing type and cover therefor : en
  • US1920913A - Coke oven apparatus : en
  • CA334528A - Lithium alloy : en fr
  • FR749944A - Brake lever : en fr
  • SU31176A1 - W lka sorting : en ru
  • SU31233A1 - Hand Grenade : en ru
  • US1920459A - Method of making alpha ceramic container : en
  • SU31099A1 - Draft bucket with safety shutter : en ru
  • US1920296A - Transmitting system : en
  • DE581975C - Three-part double clamp for connecting intersecting scaffolding tubes, scaffolding posts or similar scaffolding parts : de en
  • AU709832A - An improved combined wall protecting and fixing plate and reinforced wall plug : en
  • CA334523A - Iron and steel alloy : en fr
  • FR749912A - Burner in particular for heating homes : en fr
  • FR749891A - Improvements made to internal combustion engines, in particular those operating by fuel injection into pre-compressed air : en fr
  • FR750140A - Biscuit oven : en fr
  • GB396373A - Time switch : en
  • DE581750C - Method for achieving vibrato in musical instruments with electrical sound generation : de en
  • ES130798A1 - Improvements in the appliances for sharpening and softening razor blades. : en es
  • FR750182A - Phonic indications of times, signals, etc., transmitted to subscriber stations by automatic telephone exchanges : en fr
  • GB396136A - Process for the saturation of lime containing or lime treated sugar juices or syrups by gaseous sulphur dioxide or carbon dioxide : en
  • FR749941A - Locked signaling device : en fr
  • FR750107A - Device allowing the use of toilet soaps until complete wear : en fr
  • US1920743A - Coupling device : en
  • US1920457A - Conveyer stairs : en
  • CA334516A - Degreasing apparatus : en fr
  • CA334560A - Ring traveller : en fr
  • CH163127A - Device for converting direct current into three-phase current with the help of controlled rectifiers. : de en
  • DE581907C - Process for coloring the surface of cured phenol aldehyde resin blue or black : de en
  • CH163006A - Process for the preparation of 1-phenyl-3-methyl-4-isopropyl-pyrazolone. : de en
  • US1920179A - Time distribution system : en
  • CA334487A - Gas heating system : en fr
  • CH163030A - Clamping device for holding the forms to be written on in carbonless bookkeeping. : de en
  • SU31115A1 - Device for lifting wheelsets : en ru
  • US1920566A - Force feed lubricator : en
  • SU31053A1 - Device for wiring duplex without artificial line : en ru
  • US1920231A - Color preparation for butter, oleomargarine, etc. : en
  • CH162961A - Tools for brushing teeth. : en fr
  • DE581630C - Device for attaching the flap strap to the flap arm of top flap looms : de en
  • DE581947C - Pick-up needle : de en
  • CH162971A - Automatic bobbin changing device on mechanical looms. : de en
  • FR42481E - Decantation filter, particularly applicable to hydrocarbons : en fr
  • US1920277A - Automatic train pipe connecter head : en
  • US1920445A - Machine for stamping soft kneadable masses into bon-bons and the like : en
  • US1920923A - Outboard motor assembly : en
  • USRE18905E - allen : en
  • USRE18911E - Calculating machine : en
  • CA334477A - Bushing : en fr
  • CA334576A - Brake element : en fr
  • SU31324A1 - Device for blowing soot in furnaces : en ru
  • US1920541A - Process for saturating fabric : en
  • US1920753A - Vapor electric discharge device : en
  • ES1738U - Container for typed tapes. (Machine-translation by Google Translate, not legally binding) : en es
  • ES130858A1 - Device for the automatic regulation of the shock absorbers according to the load of the vehicle. : en es
  • SU30999A1 - Sifting device for milling peat : en ru
  • US1920208A - Process for the recovery of copper compounds from the waste liquors of the cuprammonium silk stretch spinning process : en
  • US1920827A - Method of and apparatus foe regu : en
  • ES131112A1 - A method with the corresponding means and instruments, to close blood vessels. : en es
  • FR750139A - Improvement in pumps for injecting liquid cement under pressure : en fr
  • DE581934C - Point setting device for toy trains : de en
  • DE581966C - Method of manufacturing stacked capacitors : de en
  • CH163048A - Device for measuring the deformations of solids and in particular the internal deformations of concrete. : en fr
  • US1920348A - Railroad truck centering device : en
  • US1920458A - Control valve : en
  • SU31219A1 - Screw press to remove water from mr. : en ru
  • SU31325A1 - Apparatus for producing gas from a liquid fuel : en ru
  • SU31008A1 - The method of obtaining hydrochloric alcohol : en ru
  • US1920235A - Rand forming machine : en
  • AU159501B2 - Improvements in apparatus tobe tripped into operation by radiation andmore especially proximity fuzes : en
  • SU31318A1 - Clamp for connecting electrical wires : en ru
  • SU31280A1 - Machine for the final bend of a pre-prepared knitting needle tail : en ru
  • US1920539A - Package sealing method and apparatus : en
  • DE581678C - Retaining plate for removable handles on suitcases : de en
  • FR750137A - Device making rain, fine or drip, and luminous at will : en fr
  • GB396270A - Improvements in or relating to trunk locks and the like : en
  • FR750017A - Heavy oil locomotive with electric transmission : en fr
  • GB396321A - Improvements in thermionic valve amplifiers : en
  • GB396325A - Improvements in devices for illuminating microscopic objects with incident light : en
  • US1920650A - Cone machine : en
  • USD90413S - Design for a textile fabric : en
  • DE581697C - Process for the production of photosensitive colloid layers by means of diazo compounds : de en
  • DE581797C - Travel clothes hanger, consisting of a rod made of elastic material, which can be curved with an adjustable tension cord : de en
  • US1920383A - Shank piece and method of making shoes : en
  • CH163031A - Auxiliary device for carbonless bookkeeping. : de en
  • CH162975A - Lock for jacquard knitting machines. : de en
  • ES130849A1 - A process to make portland and clay cement. : en es
  • US1920771A - Shoe filler : en
  • SU31147A1 - The device for determining the position of the line of support at the yokes of unequal-weights : en ru
  • SU31274A1 - Method and device for selective control of sound power during reproduction of sound pictures : en ru
  • CH163072A - Electric chain milling and drilling machine with swiveling motor. : de en
  • CA334417A - Cable splicing machine : en fr
  • DE581674C - Device for spraying and drying skins : de en
  • ES1778U - Abarca or espadrille made of used car tires and cameras. (Machine-translation by Google Translate, not legally binding) : en es
  • SU31045A1 - Device for transferring items from and to the train : en ru
  • USD90427S - Design fob a set of plating cards : en
  • US1920819A - Electrolytic refining of brass : en
  • SU31078A1 - Method for producing polishing paste for celluloid, films and surfaces coated with nitrocellulose lacquer : en ru
  • US1920739A - Strap tightener : en
  • SU31331A1 - Drum for winding plywood in the manufacture of box casings from it : en ru
  • US1920701A - Potato sorter : en
  • US1920775A - Centralized radio system : en
  • US1920709A - Cigarette making machine : en
  • SU30995A1 - Method of making rubber mass for soles and outsole : en ru
  • US1920449A - Pipe joint : en
  • GB396287A - Improvements in ventilating apparatus : en
  • SU31367A1 - Apparatus for sealing cavities in freshly formed hollow bricks : en ru
  • CA334463A - Oil processing : en fr
  • DE581662C - Device for the silent return of the paper cart from typewriters : de en
  • DE581991C - Device for regulating the air supply in internal combustion engines : de en
  • GB396229A - Improvements in or relating to brakes for railway or like vehicles : en
  • US1920370A - Extension boom for cranes : en
  • DE581837C - Arrangement for keeping the shaft of a vacuum tube transmitter completely or approximately constant : de en
  • CH162967A - Device for circulation leveling and for holding larger diameter bobbin tubes in twisting spindle equipment. : de en
  • DE581757C - Bag filling machine : de en
  • GB396700A - Improvements in and relating to suspension insulators for overhead electric transmission lines and the like : en
  • DE581857C - Device for cleaning picture and sound films when copying by means of a draft : de en
  • FR750046A - Carburetor : en fr
  • DE581616C - Vehicle brake : de en
  • ES130893A1 - Device for automatic adjustment of shock absorbers according to the speed of the vehicle. : en es
  • ES131090A1 - System of tempering of glass plates by aspiration of hot air. : en es
  • CA334464A - Meat sawing apparatus : en fr
  • US1920580A - Child's bed : en
  • US1920757A - Radiator valve : en
  • US1920843A - Cable reel : en
  • US1920942A - Paper manufacture : en
  • US1920469A - Wool scouring : en
  • US1920950A - Bracket for belt pulleys : en
  • DE581864C - Water column machine with cuff lubrication device : de en
  • ES131017A1 - An improved process for the production of solid carbon dioxide. : en es
  • ES1772U - Chick breeders (Machine-translation by Google Translate, not legally binding) : en es
  • GB396179A - Improvements in or relating to adapters for use in electrical circuits : en
  • CH162964A - Process for the preparation of spinnable aqueous solutions of silk fibroin. : de en
  • CH163043A - Planimeter. : en fr
  • DE581777C - Method and device for removing filter cakes from rotary filters : de en
  • CH162960A - Brew fitting with brewing bell for coffee machines. : de en
  • GB396304A - Improvements connected with water heaters or geysers : en
  • SU31056A1 - Selector device : en ru
  • SU31300A1 - Imaging device : en ru
  • US1920803A - Control system for alternating current motors : en
  • AU844032A - Improvements in or relating to high frequency transmitters and receivers suitable for use in radio signalling : en
  • CA334572A - Lock for safes : en fr
  • US1920573A - Curtain stretcher : en
  • US1920935A - Artificial fish bait : en
  • SU31287A1 - Device for separating water from steam : en ru
  • US1920564A - Agent for sizing textile fibers and alpha process of sizing textile fibers : en
  • FR42465E - Freewheel for automobiles : en fr
  • DE581663C - Adjustment device for the edge stops of typewriters : de en
  • GB396340A - Improvements in or relating to neckties : en
  • DE581665C - Intermediate cooler for air compressors, in which the air is guided in a zigzag through steering plates around the cooling water pipes : de en
  • GB396126A - Improvements in furnace fire bars : en
  • SU31120A1 - Pillar : en ru
  • US1920303A - Method of and machine for making wheel rims : en
  • US1920342A - High frequency amplifier : en
  • SU31349A1 - A device for automatic switching of a multi-way crane in devices for filling out liquids with two measuring tanks : en ru
  • CA334461A - Brake mechanism : en fr
  • CH163115A - Electric remote control device. : de en
  • CH163144A - Radio interference protection device in connection with cash registers with collector motor. : de en
  • US1920197A - Train control system : en
  • US1920793A - Engine starter : en
  • SU31327A1 - Building element for the construction of walls, doors, etc. : en ru
  • SU31262A1 - Floating device for beam raft wood : en ru
  • CH162951A - Mattress with struts that are braced against a joist and are suspended from the frame. : de en
  • CH163159A - Motor vehicle with brake actuation device. : de en
  • US1920478A - Hook and bait holder : en
  • SU31030A1 - Apparatus for using exhaust steam of a high pressure steam engine : en ru
  • US1920321A - Paper bag and closure therefor : en
  • US1920621A - Hose connecter for vacuum cleaners : en
  • US1920484A - Rotary pump : en
  • BE397125A - : en fr
  • CA334466A - Cooking liquor compound recovery : en fr
  • FR749986A - Improvements in gas production by complete gasification : en fr
  • FR750066A - Underground metal tank : en fr
  • US1920797A - Cabinet and analogous device : en
  • CA334510A - Electric clock : en fr
  • SU31321A1 - Device for determining the number of turns in the coils : en ru
  • SU31063A1 - Pliers-type pliers for cutting Bergman tubes : en ru
  • US1920392A - Pulp beating engine : en
  • US1920829A - Manufacture of basic dyestuffs : en
  • US1920389A - Shearing mechanism : en
  • US1920686A - Hauling and lifting apparatus : en
  • USD90421S - Design fob a textile fabric ob : en
  • US1920283A - Means for cleaning boiler and condenser tubes : en
  • DE581868C - Device for filling carbide : de en
  • GB396258A - A new or improved hair packing or wrapper for use in hair waving : en
  • DK47590C - Separate packaging box, which is assembled by rerouted binding wire. : da en
  • GB396284A - Improvements in or relating to the preparation of metal workpieces : en
  • FR42462E - Improvements to abdominal belts : en fr
  • GB396350A - Improvements in steaming units for tentering machines : en
  • ES131053A1 - A system machine perfected for the contraction and finishing of fabrics and cloths. : en es
  • FR749856A - Device for coin-operated dispenser : en fr
  • FR749900A - Control for multiphase electric discharge vessels, controlled by grid : en fr
  • FR750056A - Temperature warning device for all applications : en fr
  • GB396263A - Improvements in driving gear for vehicles : en
  • GB396232A - Improvements in or relating to copying machines particularly hectograph copying machines : en
  • GB396255A - Improvements in and relating to the cleansing and sterilising of filter mass : en
  • CA334442A - Electric current interrupter : en fr
  • ES1656U - A protective device to avoid rubbing the threads of razor blades with their wrappings or other objects (Machine-translation by Google Translate, not legally binding) : en es
  • ES129794A1 - Procedure of construction of a mechanical toy driven by magnet. : en es
  • FR750178A - Valves and other plugs for vapor, liquid or other fluid : en fr
  • DE581614C - Hydraulic tipping device for trucks : de en
  • GB396782A - Improvements in apparatus for opening, filling and sealing paper bags and like containers : en
  • DE581945C - Cooling water supply for mercury vapor rectifiers, in which the cooling water flows in close to the cathode, flows off close to the lid of the rectifier vessel and its flow rate is adjusted by operating a temperature regulator : de en
  • ES130846A1 - Device for rapid heating of tars, bitumens or similar materials. : en es
  • DE581696C - Device for cutting rolls of cardboard or the like into sections : de en
  • ES130835A1 - An improvement in the semiautomatic balance. : en es
  • ES130864A1 - A speed reducer. : en es
  • FR749971A - Azo dyes and their preparation process : en fr
  • GB396242A - Improvements in or relating to devices for the surgical treatment of internal organs, in particular the uterus : en
  • FR749886A - Mermaid with two reed cones facing the wind : en fr
  • FR750000A - Cigar or cigarette box : en fr
  • ES1791U - Plate combs for razors. (Machine-translation by Google Translate, not legally binding) : en es
  • FR750029A - Method for connecting a body subjected to periodic stresses to a fixed or mobile frame : en fr
  • GB396274A - Improvements in or relating to electrically heated steam boilers : en
  • GB396308A - Improvements relating to gas pressure regulators : en
  • US1920678A - Protection of metallic surfaces from corrosion : en
  • US1920754A - Locomotive tender construction : en
  • US1920866A - Sled : en
  • GB396783A - Improvements in coin-freed delivery machines : en
  • FR42527E - Improvements to lighting gas meters : en fr
  • ES129918A1 - A DEVICE FOR THE EVAPORATION OF A LIQUID AND THE ABSORPTION OF BAD ODORS, SMOKES AND THE LIKE : en es
  • FR750100A - Improvements to machines applicable to the processing of films or cinematographic films : en fr
  • FR750148A - Warp yarn dyeing process on beams : en fr
  • DE581905C - Rolling grilles for windows and doors : de en
  • ES130806A1 - A procedure, with the corresponding device, that allows the application of rubber and obtaining it in a spongy state on fabrics and other supports. : en es
  • FR750022A - Elastic coupling : en fr
  • FR750072A - Improvements to electrical hour distributions : en fr
  • GB396322A - Improvements in tin containers with glass lids : en
  • US1920515A - Heat exchange containers and batteries thereof : en
  • US1920531A - Permanent wave heater : en
  • GB396160A - Improvements in and relating to electric power converting apparatus : en
  • GB396314A - Improvements in and relating to moving coil loud-speakers : en
  • GB396403A - Improvements in or relating to driving means for a moving strip, or wire, sound record carrier : en
  • GB396130A - Improvements in latch or bolt-fastenings for cold storage and like doors : en
  • FR749866A - Automatic device for opening and closing the suction opening of centrifugal fans : en fr
  • FR42546E - Sodium bicarbonate manufacturing process : en fr
  • FR749904A - Tie enhancements : en fr
  • FR750159A - Electric cigar lighter : en fr
  • GB396201A - Improvements in or relating to coal cutting machines : en
  • FR749879A - Process for obtaining positives with sounds and images in which image and sound are photographically recorded on separate soundtracks : en fr
  • CH162959A - Pan for electric and gas stoves. : de en
  • US1920239A - Process of preparing cellulose : en
  • US1920294A - Measuring mechanism : en
  • US1920488A - Gyratory cone crusher : en
  • US1920672A - Receptacle closure : en
  • DE581971C - Process for the production of artificial threads, films and the like. Like. From cellulose derivative solutions : de en
  • US1920704A - Tracing chart : en
  • GB396083A - Improvements in or relating to stokers for solid fuel : en
  • GB396203A - Improvements in or relating to superchargers for internal combustion engines : en
  • SU31097A1 - Foundry bucket : en ru
  • DE581800C - Device for electrical measurement of the thermal conductivity of gases and vapors : de en
  • ES130914A3 - A process for manufacturing special strawberries to sharpen the root cutter blades used in sugar mills. : en es
  • GB396444A - Improvements in or relating to transmission systems such as long distance telephone systems : en
  • DE581952C - Valve body, especially for gas pressure regulators : de en
  • US1920781A - Power plant : en
  • GB396181A - Improvements in earthing devices for electrical apparatus : en
  • GB396256A - Process of and apparatus for the production of bleaching powder : en
  • GB396210A - Improvements in or relating to electric lamps : en
  • FR749865A - Circular track decor, with transformations : en fr
  • CH163169A - Spring-loaded pulling and pushing device on railway vehicles. : de en
  • FR42528E - Further training in the establishment of magnetic action speedometers : en fr
  • FR749882A - case for safety razor blades : en fr
  • DE581729C - Multi-part blade for steam and gas turbines : de en
  • GB396360A - Filter box for respirators and other uses, and a method for charging this box : en
  • ES1743U - A shaving brush with forearm (Machine-translation by Google Translate, not legally binding) : en es
  • SU31226A1 - Metal spring wheel : en ru
  • US1920460A - Fluid fuel burner : en
  • SU31069A1 - Magnetization machine for permanent magnets : en ru
  • SU31261A1 - Logging rafts into multi-raft rafts : en ru
  • ES1773U - Device for the recoil of the pinion of start-up of automobiles. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396158A - Improvements in or relating to the manufacture of goods containing rubber or similar materials : en
  • FR42548E - Manufacturing process of disinfectant action soap : en fr
  • GB396147A - Improved gear lubricants, and a method of preparing the same : en
  • US1920859A - Metal wheel structure : en
  • CA334438A - Fibre combing machine : en fr
  • CH163073A - Locking device for the thicknessing planing table on planing machines. : de en
  • DE581765C - Egg yolk substitute for the manufacture of leather : de en
  • DE581838C - Arrangement for keeping the natural frequency of circles containing piezoelectric crystals constant : de en
  • US1920546A - Bearing support : en
  • US1920703A - Dipper front : en
  • CA334565A - Road roller : en fr
  • CH163047A - Device responsive to the temperature of at least one flow means. : de en
  • CH163097A - Starting device for internal combustion engines. : de en
  • DE581994C - Process for the production of molded bodies with a grained surface : de en
  • ES1745U - A suit or jersey for sun and air baths (Machine-translation by Google Translate, not legally binding) : en es
  • SU31076A1 - The method of obtaining bromo - or chlorine derivatives of tetraoxidine, bottoms dyes from them and tetrahaloiso-tetraoxynerilene : en ru
  • SU31181A1 - Cattle Feeding Device : en ru
  • GB396172A - Improvements in and relating to showcards : en
  • US1920204A - Abrasive wheel mount : en
  • US1920382A - Neutral-impedance device : en
  • US1920821A - Distraction bone forceps : en
  • CA334554A - Lateral motion truck : en fr
  • US1920555A - Neon tube sign : en
  • FR750080A - Process for preparing light-sensitive layers : en fr
  • US1920270A - Refining and purification of hydrocarbon oils : en
  • US1920307A - Method and apparatus for the liberation or concentration of acids by heating under reduced pressure : en
  • US1920467A - Palette : en
  • US1920780A - Machine for affixing frames to bags or purses : en
  • SU31171A1 - Adjusting to harvesting machines (for m-threshers, headers, mowers, etc.) to separate mowed and tangled plants that are not yet mown : en ru
  • SU31322A1 - Method of cooling soap : en ru
  • US1920314A - Flash light : en
  • US1920480A - Distributor head : en
  • CH163075A - Process for obtaining very hard parts, in particular grinding wheels, made of silicon carbide. : en fr
  • GB396746A - Improvements in and relating to the treatment of non-ferrous alloys to protect them against corrosion : en
  • US1920212A - Method of manufacturing artificial threads or filaments : en
  • CA334513A - Boiler feed water de-aerating apparatus : en fr
  • FR42518E - Pants press : en fr
  • GB396275A - Improvements in the sterns of screw-propelled ships : en
  • ES130384A2 - IMPROVEMENTS MADE IN THE PURPOSE OF MAIN PATENT NUMBER 126304 : en es
  • GB396182A - An improved apparatus for the transmission to a distance of measured magnitudes, more especially the indications of electricity meters : en
  • FR750051A - Body roof and bodywork including application : en fr
  • US1920844A - Oil changing indicator : en
  • US1920784A - Hemstitch and embroidery seam : en
  • CH163051A - Apparatus used to facilitate the calculation of additions. : en fr
  • GB396701A - Improvements in or relating to the manufacture of alkali metal chlorates : en
  • GB397111A - A collapsible drying rail for wearing apparel and the like : en
  • FR750091A - Plate for vehicle identification and signaling : en fr
  • GB396155A - An interrupter for adjusting or rectifying electric currents : en
  • SU31254A1 - Filling method : en ru
  • US1920196A - Bobbin stop motion : en
  • US1920206A - Spring suspension for individually sprung wheels : en
  • US1920413A - Device for applying box straps : en
  • SU31369A1 - Tunnel oven : en ru
  • FR42498E - Rigid rolling doors, pivoting at angles and without curves : en fr
  • FR749950A - Glass cleaning machine : en fr
  • FR750097A - Process for obtaining pure metallic cobalt powder : en fr
  • DE581704C - Fountain pen with a sliding sleeve : de en
  • DE581753C - Press frame for presses with an assembled body and guide tools : de en
  • DE581782C - Liquid separator for ice cream makers : de en
  • DE581911C - Potato planting machine with pre-separation device : de en
  • FR749923A - Advanced training in flying machines : en fr
  • GB396104A - Improvements in apparatus for treating water or other liquids utilising a regenerating process : en
  • CH163129A - Lamp. : de en
  • GB396185A - Improvements in back-spreaders for slaughtered animals : en
  • GB396218A - Improvements in or relating to combination under-garments : en
  • DE581778C - Process for solidifying pure lactic acid : de en
  • US1920241A - Gyroscopic compass : en
  • US1920253A - Seam finishing machine : en
  • US1920918A - Ventilator cap : en
  • SU31275A1 - Device for installing cores of tube mills : en ru
  • SU31279A1 - Machine for partial bending of the tail of the knitting needle : en ru
  • SU31366A1 - Centrifugal clutch for spindle, torsional, etc. drive wheels cars : en ru
  • DE581595C - Gas analytical apparatus : de en
  • DE581796C - Air cushion arrangement : de en
  • DE581819C - Process for the production of betaine or betaine hydrochloric acid : de en
  • BE397076A - : en fr
  • CA334577A - Gas burner alarm : en fr
  • ES130965A1 - A strand holder in tubular incandescent electric lamps. : en es
  • FR750167A - Improvements relating to pneumatic tires : en fr
  • DE581659C - Boiler blowdown valve : de en
  • DE581715C - Circuit arrangement for setting switching devices with correction of distorted currents : de en
  • DE581923C - Dotting ruler : de en
  • DK47600C - Circuit device for Radio receivers. : da en
  • SU31334A1 - Counting device for automatic dispensing of certain quantities of liquid : en ru
  • GB396347A - Undercarriage for flying machines : en
  • GB396433A - Improvements relating to means for supplying to the charge of internal combustion engines, exhaust-heated air, or aqueous vapour, or exhaust products : en
  • FR749949A - Pressurized liquid switch to cut electrical circuits : en fr
  • ES129696A1 - New procedure to synchronize movies. : en es
  • SU30998A1 - Machine for lifting peat and putting it on the field : en ru
  • SU31112A1 - Tal with disengaged worm gear : en ru
  • US1920415A - Center plate and guide structure : en
  • ES131007A1 - Improvements in the methods to manufacture articles and objects made of rubber or containing rubber. : en es
  • SU31290A1 - Rotating conical (or cylindrical) steam distribution valve : en ru
  • US1920273A - Shock absorber : en
  • US1920589A - Ring cup for fictile pipes : en
  • ES130672A1 - A process for the manufacture of fertilizers based on acid and taking advantage of all kinds of waste. : en es
  • FR750086A - Improvements to devices for refueling aircraft in flight : en fr
  • CA334447A - Egg box : en fr
  • CH163056A - Device for equalizing the force transmitted by a mainspring. : en fr
  • CH163178A - Process for the preparation of a neutrally soluble mixture of complex salts of trivalent antimony. : de en
  • SU31021A1 - The method of producing tetraoxyperylene or their derivatives : en ru
  • US1920496A - Insulating or wall board product : en
  • US1920656A - Automatic adjustment of circuit breakers : en
  • FR750050A - Improvement in frequency changers : en fr
  • CH163191A - Process for the separation of an isomeric vat dye mixture. : de en
  • SU31151A1 - Device for changing in projection lanterns of transparencies and for turning off the light source at the time of changing transparencies : en ru
  • US1920532A - Machine tool carriage control : en
  • ES131060A1 - A light mortar : en es
  • DE581760C - Squeegee arrangement in rotogravure printing machines : de en
  • FR42539E - Improvements made to pressurized liquid tanks : en fr
  • ES131019A1 - Thermo-blender machine applicable to the extraction of olive oils, without pressure of any kind. : en es
  • ES1734U - Refrigerator cabinet. (Machine-translation by Google Translate, not legally binding) : en es
  • FR750119A - Improvements to the chemical pulp manufacturing process : en fr
  • US1920680A - Pencil ferrule : en
  • SU31283A1 - A device for distilling off aromatic hydrocarbons from washing oil : en ru
  • US1920264A - Valve pin washer and ferrule maker and assembler : en
  • US1920689A - Power plant : en
  • ES131098A1 - POWER SUPPLY DEVICE FOR HYDRAULIC TRANSMISSIONS : en es
  • FR42537E - Dust vacuum cleaner : en fr
  • FR750048A - Improvements to hydraulic motion transmission devices : en fr
  • BE397202A - : en
  • CH162997A - Process for the production of n-polymerized glycerine. : de en
  • DE581724C - Coupling for rolling mills : de en
  • SU31207A1 - Device for transmitting rotary motion from the outside into the space with rarefied gas : en ru
  • US1920463A - Artificial stone : en
  • CA334580A - Direction indicator : en fr
  • CH162933A - Plywood door. : en fr
  • ES131061A2 - IMPROVEMENTS MADE IN THE FINISHING OF THE PIECES IN WHICH THE SKINS DECOMPOSE : en es
  • ES1721U - Apparatus for scrubbing floors. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396300A - Improvements in or relating to safety razors : en
  • GB396725A - Improvements in and relating to electric discharge lamps : en
  • FR750004A - Zipper closure : en fr
  • FR750033A - Improvements to grenades and their means of launching : en fr
  • SU31252A1 - Metal clamp to strengthen the corners of wooden log cabins : en ru
  • DE581755C - Container lockable under negative pressure : de en
  • US1920822A - Bag stringing machine : en
  • SU31095A1 - The method of obtaining the bubbly products : en ru
  • US1920635A - Gasket-attaching means : en
  • CA334423A - Sign : en fr
  • ES131102A3 - A mechanism applicable to all kinds of mechanical toys, for remote control of their movements. : en es
  • DE581816C - Overburden spreader : de en
  • SU31102A1 - Level ampoule with compensation chamber : en ru
  • USD90399S - Design fob a sign standard : en
  • SU31123A1 - Storehouse for tubers and roots : en ru
  • US1920308A - Golf bag : en
  • CH162945A - Hand tool for cutting bread and the like. : de en
  • SU31339A1 - Bee feeder : en ru
  • SU31363A1 - Can Opener : en ru
  • US1920898A - Sash hanger : en
  • SU31098A1 - Foundry bucket : en ru
  • US1920487A - Automatic fuel regulator for internal combustion engines : en
  • US1920731A - Dredger : en
  • US1920878A - Hitching device for tractors : en
  • US1920711A - Safety razor : en
  • US1920860A - Window cleaning device : en
  • US1920897A - Control system : en
  • US1920250A - Combination padlock : en
  • US1920184A - Carton for frozen food products : en
  • US1920229A - Periodic switch : en
  • US1920316A - Railway draft rigging : en
  • US1920600A - Machine for finishing bolts and screws : en
  • US1920339A - Fish dressing machine : en
  • US1920363A - Pump mechanism : en
  • US1920654A - Drawer locking mechanism for trunks : en
  • AU836732A - Improvements in and connected with locking devices for electric lamps andthe like : en
  • CH163036A - Actuating device with a knurled knob for the rewind spool of roll film cameras. : de en
  • US1920906A - Tube tester : en
  • FR750014A - Process for the manufacture of artificial products, such as, for example, viscose yarns : en fr
  • GB396176A - Improvements in willows and like machines for opening cotton and like fibres : en
  • GB396697A - Improvements in or relating to photographic cameras : en
  • FR749959A - Advanced hoist for soundings : en fr
  • GB396365A - Improved insecticide for agricultural or horticultural use : en
  • CA334511A - Glass making apparatus : en fr
  • DE561209C - Container for ampoules : de en
  • CH163053A - Dispensers for needles, in particular speaking machine needles. : de en
  • FR749874A - Tissue clamp : en fr
  • FR750102A - Improved process for the purification of gases and installations including application : en fr
  • DE581767C - Coin checker for self-sellers u. like : de en
  • ES130889A1 - A method to produce an improved vaccine. : en es
  • GB396156A - Improvements in or relating to filtering or straining apparatus : en
  • GB396223A - Improvements in incubators : en
  • DE581850C - Chair with tubular steel frame : de en
  • DE581886C - Device for weighting and centering carbon electrodes : de en
  • GB396113A - Improvements in and in connection with surface illumination : en
  • US1920628A - Combined radio and phonographic recording and reproducing system : en
  • AU1006432A - Improvements in centrifugal separators : en
  • AU849632A - An improved clothes peg : en
  • US1920818A - Electroresponsive device : en
  • US1920210A - Calling device and calling device indicia ring support : en
  • US1920620A - Die casting machine : en
  • ES1752U - Block with changeable blade device. (Machine-translation by Google Translate, not legally binding) : en es
  • SU31158A1 - The method of obtaining agar-agar : en ru
  • US1920315A - Dynamo-electric machine : en
  • DE581938C - Flushing device, especially for machine parts : de en
  • ES130751A1 - Improvements in intermittent spinning machines with differential movement. : en es
  • ES131069A3 - Apparatus for washing clothes. : en es
  • DE580427C - Inclined seat valve : de en
  • ES131057A1 - Loading mouth with removable inner filters for gasoline tanks in dispensing devices. : en es
  • ES1766U - Mechanical spray pump apparatus. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396106A - Improvements in or relating to the treatment of webs of material : en
  • FR42480E - Compression table pottery for the construction of reinforced concrete floors, without formwork : en fr
  • GB396362A - Improvements in and relating to methods of making rubber coating mixtures : en
  • US1920626A - Separation and purification of gaseous mixtures : en
  • US1920858A - Process of converting gases rich in methane into more valuable products : en
  • US1920486A - Pickling vat and coating therefor : en
  • GB396139A - Improvements in spring mattresses and seating surfaces : en
  • SU31373A1 - Unloading machine for lime calcining shaft kilns : en ru
  • GB396239A - Improvements in index drawers or the like for cards, stencils and the like : en
  • USD90423S - Design for a textile fabric or : en
  • ES130960A3 - Construction procedure of steel presses with resistant elements in one piece. : en es
  • ES130838A1 - Perfeccionamientos in the machines of molding soles. : en es
  • ES130899A1 - Improvements in the procedures for the continuous treatment of vegetables with soda and gaseous chlorine for the industrial production of cellulose. : en es
  • ES130950A3 - Improvements in the manufacture of sausages and cold cuts. : en es
  • SU31260A1 - Device for rafting wood through dams : en ru
  • US1920696A - Saw attachment for tractors : en
  • SU31246A1 - A method of manufacturing a waterproof construction material : en ru
  • US1920393A - Container and holder unit : en
  • SU31337A1 - A device for determining the capacity of the soil : en ru
  • SU31001A1 - Adaptation to vacuum filters : en ru
  • SU31313A1 - Horizontal non-directional antenna for short waves : en ru
  • US1920877A - Power transmission unit : en
  • SU31302A1 - Electrodynamic loudspeaker : en ru
  • US1920497A - Button and its manufacture : en
  • CA334486A - Abrasive testing method : en fr
  • CH162950A - Wooden support board for window curtains with rollers. : de en
  • CA334480A - Piston gasket : en fr
  • US1920563A - Apparatus for transferring boxes from alpha pile : en
  • DE581638C - Method for producing improved phonograms from existing ones : de en
  • DE581794C - Kaesereikesselofen with the boiler ring-shaped surrounding heating channel and Zugumstelleinrichtung : de en
  • DK47592C - Pliers for cleaning and lubricating leaf springs for motor vehicles and the like. : da en
  • GB396187A - A method of connecting the parts of a track band for the wheels of vehicles : en
  • US1920465A - Refining ferrous metals : en
  • DK47593C - Suitcase for Business Travelers. : da en
  • SU31083A1 - Device for heating liquid fuels, in particular, paraffin oil : en ru
  • US1920919A - Building structure : en
  • US1920408A - Coupling device : en
  • CA334441A - Safety razor : en fr
  • US1920602A - Clamp for tubes, bars, and the like : en
  • SU31237A1 - Signaling device for loading and unloading bins : en ru
  • US1920937A - Shade roller : en
  • FR750058A - Method for verifying and graphically recording threshing regularity in looms : en fr
  • AU818832A - Improvements in and relating to grading or separating grain from chaff : en
  • DE581861C - Scraper device for computer cleaning machines : de en
  • DE581625C - Mixing centrifuge : de en
  • DE581751C - Device for retuning keyboard instruments with sound generation by electrical oscillation circuits : de en
  • DE581766C - Device for detecting malfunctions in machine systems and the like like : de en
  • DE581929C - Method for receiving and determining the direction of sound waves : de en
  • GB396364A - Improvements in electrical brush holding devices : en
  • SU31033A1 - Cage for poultry and livestock : en ru
  • US1920209A - Lathe and method of turning round bodies : en
  • CH162940A - Manhole cover. : de en
  • US1920230A - Telephone system : en
  • SU31239A1 - Theatrical scene : en ru
  • SU31272A1 - Tool for automatic filing of nails under the hammer head : en ru
  • US1920267A - Distillation of tar, etc. : en
  • CH162953A - Impeller for mobile tables and the like. : de en
  • US1920430A - Automatic sound reproducer : en
  • US1920728A - Cellular slag : en
  • SU31230A1 - M chopping : en ru
  • DE581623C - Racing game machine in which each racing figure is moved by a special drive : de en
  • DK47594C - Electrical resistance and method of its manufacture. : da en
  • CA334473A - Work control system : en fr
  • CA334500A - Electrode for discharge tubes : en fr
  • CH163024A - Process for the production of building panels. : de en
  • DE581605C - Pneumatic drop hammer : de en
  • DE581629C - Woven drive belts made up of several layers : de en
  • DE581788C - Electrical voltage-dependent overcurrent switch for direct current, in which a release acts on a latch mechanism : de en
  • DE581823C - Drilling support for fine drilling using single steel : de en
  • DK47602C - Holster or tubular Murdybel. : da en
  • FR750168A - : fr
  • GB396440A - Improved method for the electro-acoustical reproduction of oscillations : en
  • US1920675A - Refrigerating machine : en
  • SE77957C1 - : en
  • US1920456A - Transmission testing apparatus : en
  • CH163147A - Device for synchronous operation of an image splitting and composing device. : de en
  • SU31058A1 - Device for inter-selective removal of selector telephones : en ru
  • CA334437A - High speed tool steel : en fr
  • US1920500A - Conveyer apparatus for loading cars : en
  • SU30996A1 - Device for feeding under the mouthpiece of the peat press backing boards transmitted from the lower branch of the rope conveyor to its upper branch : en ru
  • US1920292A - Pulp molding machine : en
  • SU31121A1 - Brick wall with grout filling : en ru
  • BE396861A - : en fr
  • US1920379A - Producing and melting sponge iron : en
  • AU1354033A - Improvements in stockings and similar articles and in their fastening and stretching devices : en
  • SU31259A1 - Mobile loader : en ru
  • SU31034A1 - Trolley with folding platform : en ru
  • CA334424A - Electrical generator : en fr
  • DE581702C - Ventilation device for motor vehicles : de en
  • SU31006A1 - Method for preparing mezodichlorantracene and anthraquinone beta monosulfonic acid : en ru
  • US1920258A - Perforating die : en
  • US1920380A - Electric induction furnace : en
  • US1920642A - Cooling tower construction : en
  • US1920766A - Motor fuel : en
  • US1920902A - Machine for making pads for sock holders : en
  • CA334558A - Matrix-setting and type-line-casting machine : en fr
  • GB396175A - Improvements in models of dwellings and other buildings : en
  • US1920218A - Shock absorber : en
  • CH163166A - Anti-skid device for the wheels of motor vehicles. : de en
  • CH163117A - Device for automatically switching on and off an electrical appliance such as an iron. : en fr
  • SU31375A1 - Massive water holding dam : en ru
  • US1920598A - Heating coil : en
  • US1920679A - Box lid support : en
  • CH163040A - Device for tracing, recording or reproducing curves with precision. : en fr
  • GB396265A - Wet process and means for treating slurry in rotary kilns for cement and similar manufactures : en
  • CA334556A - Horse collar pad hook fastener : en fr
  • CH163018A - Process for producing a synthetic resin. : de en
  • CH162929A - Mouse trap. : de en
  • CA334566A - Toilet comb : en fr
  • SU31186A1 - Internal combustion engine : en ru
  • US1920792A - Nut lock : en
  • SU31075A1 - The method of producing chloro derivatives-dihydro-1, 2, 2 ', 1'-dianthrohinonazina : en ru
  • SU31139A1 - Device for recording slopes : en ru
  • US1920431A - Drum controller : en
  • US1920637A - Development of oil fields : en
  • ES1777U - On an opening device. (Machine-translation by Google Translate, not legally binding) : en es
  • SU31142A1 - Cordless camera for accurate sighting when shooting locations : en ru
  • SU31354A1 - The method of obtaining photomechanically etched and dyed image on cellulose : en ru
  • FR750144A - Pistons of internal combustion engines : en fr
  • ES1797U - Arrangement for heating boiler or with internal heating device. (Machine-translation by Google Translate, not legally binding) : en es
  • FR750098A - Improvements to cooking stoves for kitchens and the like : en fr
  • US1920629A - Device for melting wax disks : en
  • US1920861A - Protective system and radiant energy apparatus : en
  • CH163160A - Air heater for space heating, especially for motor vehicles. : de en
  • US1920871A - Heating device : en
  • SU31165A1 - Device for feeding roots to planting machines : en ru
  • US1920727A - Bearing : en
  • SU31041A1 - Electro-pneumatic brake : en ru
  • US1920178A - Traveling offset web controlling mechanism for multicolor printing presses : en
  • US1920297A - Crotyl cellulose and crotyl cellulose compositions : en
  • US1920609A - Bearing structure : en
  • US1920617A - Door type slip elevator : en
  • FR750084A - Ski coating and how to use it : en fr
  • US1920605A - Ice cream mixer : en
  • US1920655A - Overload protection means for piezo-electric crystals : en
  • FR750189A - Socket devices for electric vehicles : en fr
  • DE521691C - Electrically driven skinning device with a two-part handle that accommodates the drive consisting of the worm and worm wheel : de en
  • GB396331A - An improved method of and electrode for welding steel : en
  • GB396345A - Mop for use with vacuum cleaners : en
  • DE581653C - Circulation evaporator : de en
  • FR749977A - Valve enhancements for swelling some devices : en fr
  • GB396323A - An improved method of filling respiratory filters : en
  • FR42511E - Expandable reamer refinements : en fr
  • SU31210A1 - The method of oxidation of iron and steel products : en ru
  • SU31238A1 - Template for mounting the upper exhaust rollers on the boats : en ru
  • FR749970A - Nitriles of resinous acids and their preparation process : en fr
  • FR750122A - Heater : en fr
  • CH162974A - Palette needle, in particular for knitting machines, process for manufacturing it and device for carrying out this process. : en fr
  • US1920640A - Carbon copying system : en
  • DE575657C - Contactor driver : de en
  • CA334515A - Engine fuel : en fr
  • AU843532A - A self adjusting seat and back fora lounge chair : en
  • CA334472A - Fluid pressure brake : en fr
  • CH163149A - Arrangement for remote measurement, in particular total remote measurement. : de en
  • DE581743C - Single image projector : de en
  • FR750128A - Hyper vertical oil or gasoline burner : en fr
  • FR750164A - Jet carburettor : en fr
  • CA334460A - Safety clutch : en fr
  • CH163152A - Illuminated sign. : de en
  • CA334468A - Chemical pulping and refining process : en fr
  • CA334537A - Cylindrical x-ray tube : en fr
  • US1920552A - Detachable safety ladder step : en
  • DE581660C - Wiper mechanism arrangement with dry and damp wiper mechanisms for rotary copper printing machines : de en
  • US1920890A - Steering mechanism : en
  • US1920401A - Eyelash curler : en
  • US1920948A - Electrical filter : en
  • US1920448A - Mold for matrix setting and typeline casting machines : en
  • CH163174A - Liquid dispenser. : de en
  • US1920301A - Life saving device for submarines : en
  • US1920597A - Flat hosiery frame : en
  • CA334430A - Binnacle lamp : en fr
  • SU31194A1 - Variable diameter pulley : en ru
  • SU31251A1 - Cotton packaging press : en ru
  • AU850532A - Envelope stamping and cancelling machine : en
  • CA334485A - Abrasive toughness determining apparatus : en fr
  • CA334552A - Lateral motion truck : en fr
  • SU31086A1 - Spark arrester : en ru
  • SU31310A1 - Directional antenna for short waves : en ru
  • US1920485A - Vehicle for collection and hauling of garbage : en
  • US1920581A - Supporting device for golf bags : en
  • US1920219A - Supporting device : en
  • US1920222A - Process of treating comestibles : en
  • US1920365A - Radiator : en
  • US1920534A - Corrosion resistant lining for cracking apparatus : en
  • US1920578A - Device for producing cast chains composed of single links : en
  • US1920921A - Arc carbon : en
  • DK47585C - Apparatus for cooling milk or similar liquids. : da en
  • FR750197A - Manufacture of rust-resistant articles using cold-rolled sheets and strips of a chromium-molybdenum-iron alloy, non-hardening, pure and highly deformable when cold : en fr
  • CH163158A - Elevator. : en fr
  • CA334419A - Crankcase assembly : en fr
  • CH163124A - Frequency converter with transformers and controlled rectifiers. : de en
  • US1920636A - Sprayer construction : en
  • SU31060A1 - The way radio reception undamped oscillations : en ru
  • SU31357A1 - Control mechanism for the pneumatic pump : en ru
  • USD90414S - Design fob a textile fabric : en
  • CH162992A - High performance fine filter and process for making the same. : de en
  • FR750018A - Improvements to pneumatic vacuum wipers : en fr
  • DE581682C - Connection clamp for crossing scaffolding tubes, scaffolding poles or similar scaffolding parts : de en
  • DE581931C - Play doll imitating drinking : de en
  • FR750101A - Process for obtaining artificial silk thread, the unit strands of which are momentarily agglomerated : en fr
  • US1920464A - Cash register : en
  • CA334541A - Television system : en fr
  • US1920223A - Short wave signaling apparatus : en
  • CH163123A - A device for rectifying a current of mercury vapor or other ionized gas allowing the transfer of power from an alternating current network to a direct current network, and vice versa. : en fr
  • US1920207A - Strand working apparatus : en
  • US1920706A - Cigarette making machine : en
  • SU31316A1 - Device for suspending or supporting conductors carrying high frequency current : en ru
  • SU31051A1 - Device for automatic electrical signaling at the intersections of tram lines : en ru
  • US1920461A - Manufacture of malt extract : en
  • US1920832A - Typographical composing machine : en
  • US1920852A - Tire retreading machine : en
  • BE397074A - Advanced syringe. : en fr
  • US1920779A - Radiator : en
  • US1920883A - Engine cooling system : en
  • US1920338A - Shoe and method of making the same : en
  • SU31130A1 - Method for producing artificial asphalt from petroleum acids : en ru
  • SU31372A1 - Rotary kiln for cement and the like of materials : en ru
  • US1920705A - Bust-holder : en
  • CH163037A - Photosensitive layer and process for its production. : de en
  • CH163100A - Multi-cylinder fuel pump with storage piston, in which the fuel delivery is controlled by exposing and covering slits in the pump chamber. : de en
  • DE581854C - Sewing machine with a device for cutting through the thread chain forming between successive workpieces : de en
  • US1920454A - Signal distortion indicating device : en
  • US1920634A - Outer knickers : en
  • DE581851C - Piston fluid meter with oscillating measuring cylinders : de en
  • DE581844C - Process to improve the rubability of colored bodies with binders : de en
  • SU31199A1 - Lock for piston and generally spring sealing rings : en ru
  • SU31247A1 - A method of manufacturing building boards, boards, etc. products : en ru
  • SU31306A1 - Modulator device : en ru
  • ES130929A1 - An apparatus to luminous tubes by ionization of rarefied gas, for exhibition or propaganda in shop windows, showcases and the like. : en es
  • CA334435A - Fly catcher making apparatus : en fr
  • BE396896A - : en
  • US1920764A - nickle : en
  • USD90401S - Design for a textile fabric or : en
  • CA334568A - Therapeutically active product : en fr
  • AU864932A - Improvements in or relating to protective gear for alternating current systems : en
  • US1920759A - Hair waving pad : en
  • SU31124A1 - Watchdog booth (mushroom) : en ru
  • US1920510A - Boiler return and vacuum trap : en
  • US1920530A - Oil filling device for crank cases : en
  • US1920733A - Spinning centrifuge : en
  • CH163172A - Electric traction installation with compound and recovery motors. : en fr
  • DE575155C - Diaphragm for diaphragm pumps : de en
  • US1920493A - Eye nut : en
  • CA334555A - Projection screen : en fr
  • CH162979A - Laundry cooker. : de en
  • CH163182A - Process for the preparation of an azo dye. : de en
  • CA334453A - Structural clay unit : en fr
  • SU31319A1 - Core for dynamo inductors : en ru
  • US1920741A - Radiocabinet : en
  • SU31081A1 - Evaporating cube : en ru
  • US1920691A - Apparatus for heating articles : en
  • US1920800A - Heat exchanger : en
  • CA334454A - Pencil tip eraser : en fr
  • ES130842A1 - Portable filleting machine with hand or motor drive. : en es
  • GB396290A - An improved valve for dental plates : en
  • SU31126A1 - Theater : en ru
  • SU31221A1 - Aviation landing headlight : en ru
  • AU982032A - Improvements in or relating to door and like fastenings : en
  • US1920434A - System of manufacture of solidified carbon dioxide gas : en
  • US1920814A - Electric distribution system : en
  • US1920930A - Apparatus for treating hydrocarbons : en
  • SU31062A1 - Flexible electrical conductor : en ru
  • SU31200A1 - V-bolt for steam valve : en ru
  • ES1748U - An ignition coil for explosion engines (Machine-translation by Google Translate, not legally binding) : en es
  • GB396442A - Improvements in or relating to television receivers : en
  • CA334540A - Superheterodyne system : en fr
  • DE581818C - Process for the preparation of iodomethanesulfonic acid or its salts : de en
  • FR42469E - Improvements in dielectric materials : en fr
  • GB396127A - Improvements in and relating to electric battery charging apparatus : en
  • US1920660A - Glow discharge rectifier with hollow cathodes : en
  • US1920842A - Grading and evening machine : en
  • USRE18909E - Water softening apparatus : en
  • CA334456A - Fishing bait : en fr
  • SU31015A1 - Method for producing isopropenylacetylene : en ru
  • SU31065A1 - Push button switch : en ru
  • ES130941A1 - Improvements in tire manufacturing methods. : en es
  • CH163066A - Process for the production of real silver objects. : de en
  • CH163170A - Coupling head for automatic wagon couplings. : de en
  • US1920470A - Piston, packing, and the like : en
  • US1920669A - Lock for window sashes and doors : en
  • SU31138A1 - The method of processing the lining of magnesium baths : en ru
  • CA334551A - Draft rigging : en fr
  • FR749999A - Improvements to hand percussion tools : en fr
  • US1920760A - Eddy current car retarder : en
  • SU31117A1 - The method of moving buildings in the two-pipe system of central water heating : en ru
  • US1920432A - Nickel welding wire containing titanium : en
  • US1920482A - Belt : en
  • US1920751A - Shoe binding : en
  • SU31203A1 - Vantuz : en ru
  • US1920560A - Wirebound container : en
  • AU840432A - Improvements in and relating to tanning : en
  • US1920234A - Method of producing aluminum bronze powder and lubricants therefor : en
  • US1920595A - Closure fastener : en
  • CA334434A - Shoe heel and toe plate : en fr
  • AU844132A - Improvements in or relating to television systems : en
  • US1920867A - Dispensing apparatus : en
  • US1920509A - Hinge : en
  • US1920917A - Method of and means for loading and transporting merchandise : en
  • US1920911A - Coking apparatus : en
  • CH163034A - Device for generating light images, consisting of a photographic recording camera and an apparatus for the enlarged reproduction of the images recorded therewith. : de en
  • CH163111A - Device for fixing one end of a wire or metallic cable, in particular for fixing one end of an electric wire. : en fr
  • BE396704A - Positive pulse arc rectifier control device : en fr
  • US1920755A - Tender structure : en
  • US1920912A - Coal stoker : en
  • US1920770A - Mechanical pencil : en
  • CA334433A - Zinc oxide producing apparatus : en fr
  • CA334474A - Reciprocating motor : en fr
  • CH163052A - Method and device for regulating the volume when playing back sound films. : de en
  • CA334431A - Engine supercharger impeller mechanism : en fr
  • SU31162A1 - Gnezdovskaya sa lka : en ru
  • US1920604A - Treatment of liquids containing tar acids : en
  • DE581582C - Method for adjusting machines by means of a measuring device : de en
  • DE581742C - Photographic lens : de en
  • GB396303A - Bathing caps : en
  • US1920205A - Cable reel : en
  • US1920466A - Hinge : en
  • US1920536A - Poultry feeder : en
  • US1920633A - Machine for laying off surface contours to scale : en
  • US1920692A - Glass drawing tank : en
  • CA334416A - Combination spool and bobbin : en fr
  • CH163099A - Interrupter for ignition devices. : de en
  • CH163198A - Device for fastening buttons, in particular to trousers. : de en
  • CH163128A - Mercury vapor rectifier with graphite grids in the arc guiding sleeves for the anodes and the latter. : de en
  • SU31089A1 - A device for psychotechnical testing of determination in character : en ru
  • US1920881A - Manufacture of tubes from paper, cardboard and the like materials : en
  • FR42495E - Process for laying and renewing railway tracks : en fr
  • FR749927A - Process for examining the thickness of filaments, threads, tapes or similar products and apparatus for carrying out this process : en fr
  • DE581795C - Stovepipe connection : de en
  • DE581600C - Division device for calculating machines u. like : de en
  • DE581781C - Continuously working absorption refrigeration apparatus : de en
  • ES1735U - Tent or beach tent. (Machine-translation by Google Translate, not legally binding) : en es
  • FR750001A - Protection device for radio receivers adapting to electric motors of household appliances : en fr
  • CH163033A - Switching device for cinema sets. : de en
  • CH163061A - Tool and method of making the same. : de en
  • CH163010A - Process for the preparation of a sulfuric acid ester of tetrahydrodianthraquinone azine. : de en
  • US1920582A - Traffic marker : en
  • US1920594A - Ring balance : en
  • US1920715A - Laundry flat piece spreader and carrier : en
  • ES131081A1 - A new heald mechanism consisting of a group of groove eccentrics placed below the loom and in a transverse direction to one side of the same communication, thus movements to the aforementioned heddles. : en es
  • FR750070A - Multi-ring electric alarm clock system : en fr
  • FR749852A - Collar button : en fr
  • FR750109A - Assemblies employing piezoelectric crystals and particular applications of piezoelectric pickups : en fr
  • US1920583A - Motor controlled steering mechanism : en
  • FR42529E - Device intended to drive the control devices of doors, doors, etc. : en fr
  • FR42535E - Improvements to central heating boilers : en fr
  • GB396251A - Improvements in or relating to derivatives of 2-hydroxy-diphenyl : en
  • ES130936A3 - Liquid dosing device. : en es
  • ES1749U - Installation provision of x-rays. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396279A - Improvements in and connected with combs for the hair and for cleaning dogs and other animals : en
  • DE581647C - The mining machine working at full height in longitudinal strips : de en
  • FR42515E - Method and apparatus for producing drawn glass : en fr
  • DE581916C - Injection pump with pre-delivery : de en
  • DE581972C - Drawer : de en
  • US1920569A - Device for keeping constant the terminal voltage of sources of current : en
  • DK47588C - Plejlstangslaas for Mowers. : da en
  • ES130951A1 - Improvements in the mechanisms of secrecy for security locks. : en es
  • ES1754U - Device adaptable to the facilities of radiodiagnosis to obtain radiographs of choice and series in unlimited number. (Machine-translation by Google Translate, not legally binding) : en es
  • DE581853C - Device for setting the type wheels in measuring devices : de en
  • GB396087A - Improvements relating to the manufacture of smokeless fuels : en
  • DE581776C - Process for making the cutting edges of thin razor blades : de en
  • ES1755U - Bracelet. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396384A - Improvements in and relating to the molds of typographical line casting machines : en
  • US1920473A - Periscope attachment for cash registers : en
  • ES131067A1 - Procedure to keep liquid dairy products fresh. : en es
  • FR750158A - Yeast manufacturing process : en fr
  • GB396177A - Process for the manufacture of readily soluble basic dyestuffs : en
  • SU31049A1 - Device for single-wire blocking signaling for two railroads : en ru
  • DE581627C - Swing conveyor system with automatic tilting and loading device that can be influenced by adjustable stop rails : de en
  • ES130931A1 - Improvements in the manufacture of belts or transmission cables. : en es
  • GB396328A - Apparatus for guiding endless-track vehicles on railway tracks : en
  • ES1795U - Springs for upholstery. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396732A - Improvements in diffusers for blowing air or other gas into liquids : en
  • DE581969C - Ash removal device : de en
  • FR42534E - Electrical insulating impregnation material : en fr
  • ES130152A1 - A procedure to waterproof the tissues of horsehair, wool, cotton, linen and hemp used in the manufacture of waterproof suits, coats, all, etc, and in general for everything that is used to protect against rain and water. : en es
  • FR42492E - Adjustment device for hydraulic brakes : en fr
  • FR750089A - Carding machine : en fr
  • GB396282A - A lubricating system for gear cutting machines : en
  • US1920591A - Reciprocating mechanism : en
  • FR749909A - Spark plug, in particular for internal combustion engines and its manufacturing process : en fr
  • FR750112A - Process for the preparation of intermediate products derived from aminoanthraquinones, and products resulting therefrom : en fr
  • FR749957A - Rotary assembly for grinding wheel shaft : en fr
  • ES130872A3 - A procedure for printing cellulosic coated fabrics. : en es
  • FR750038A - Improvements to evaporator devices for liquids, for example for perfumes and antiseptic liquids : en fr
  • FR750096A - Electrode wire coating process for automatic and semi-automatic electric arc welding machines : en fr
  • FR750157A - Fire starter log : en fr
  • GB396689A - Improvements in or connected with packing cases or containers : en
  • FR750150A - Application of metallization to metals presented in the form : en fr
  • ES131094A1 - A coolant carburetor. : en es
  • FR750042A - Umbrella handle and manufacturing process : en fr
  • GB396299A - Improvements in corn plaster packages : en
  • DE581725C - Metalworking press : de en
  • DE581744C - Magneto : de en
  • DE581963C - Pressure equalization tank for oil-filled cable systems : de en
  • ES1729U - Floors composed of several pieces for floors and ceilings in all kinds of buildings. (Machine-translation by Google Translate, not legally binding) : en es
  • FR749966A - Device for humidifying rooms : en fr
  • FR750077A - Dropper : en fr
  • DE581739C - Floor board : de en
  • DE581747C - Device for cutting a continuous sinusoidal guide groove in a cylindrical workpiece : de en
  • DE581900C - Elastic floor for seating and reclining furniture : de en
  • FR750078A - Device for suspending engines on frames or chassis : en fr
  • FR749908A - Method and device for producing color images : en fr
  • FR749976A - Improvements to pliers to set saws and others : en fr
  • GB396209A - Improvements in padlocks : en
  • ES130935A1 - A refinement of the machines for dyeing skeins. : en es
  • ES130953A1 - A procedure for the production of hoses with external reliefs. : en es
  • GB396353A - Improvements in lubricating devices for driving chains : en
  • FR750005A - Improvements made to t receptor devices. s. f. with automatic amplitude adjustment : en fr
  • ES130874A1 - Procedure to obtain on support sheets, layers of color to be traced or copied, that does not go through the support and does not get dirty. : en es
  • FR750069A - Seamless sling mount device : en fr
  • FR749983A - Improvements to dust collectors or separators and the like : en fr
  • DE467429C - Combustion chamber for pulverized coal firing of approximately rectangular cross-section : de en
  • FR750002A - Electrolytic gas generator : en fr
  • FR42538E - Improvements to devices for suspending and moving curtains or doors : en fr
  • GB396396A - Improvements in steam reciprocating engines : en
  • GB396320A - Manufacture of arylamino-1-hydroxynaphthalene-carboxylic acids : en
  • US1920690A - Hair waver or curler : en
  • GB396173A - Improvements in exhaust silencers : en
  • CH163183A - Process for the preparation of an azo dye. : de en
  • DE581612C - Device for towing vehicles, in particular motor vehicles : de en
  • DE581756C - Method for attaching metal caps to bottles and similar containers : de en
  • ES1732U - Apparatus or pipette to fill with ink the pens and other drawing instruments. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396244A - Improvements in or relating to electric insulators : en
  • ES131005A1 - Provision to prepare beverages containing carbonic acid. : en es
  • FR749893A - Electrical remote indicators for meteorological or other readings : en fr
  • FR750126A - High pressure pulp inlet device for round cylinders and cylindrical cell filters : en fr
  • GB397161A - Improvements in or relating to the oxidation of olefines : en
  • US1920914A - Dehumidifier : en
  • FR749916A - Improvements in the conversion of methane to other hydrocarbons : en fr
  • GB396222A - Improvements in or relating to brushes : en
  • GB396765A - Improvements in despatch and like cases : en
  • FR749897A - Carburetor training : en fr
  • GB396140A - Improvements relating to percussive hand tools : en
  • SU31156A1 - Device for testing materials in the form of a ring to break : en ru
  • US1920834A - Belt buckle : en
  • US1920850A - Shoulder rest for stringed musical instruments : en
  • ES130201A2 - A PROCEDURE FOR REPRESENTING TEXTS, FIGURES OR MARKS ON PHOTOSENSITIVE SURFACES OR PHOTOGRAPHIC PRODUCTS : en es
  • SU31276A1 - Device for installation of disk rolls of pipe mills : en ru
  • SU31289A1 - Steam Turbine Control Device : en ru
  • DE581692C - Device for cleaning metal parts : de en
  • US1920687A - Electrically driven cradle : en
  • US1920603A - Method of revivifying fouled gas purifying material : en
  • US1920879A - Variable splicing means for knitting machines : en
  • SU31183A1 - Device for unloading fish from the slot : en ru
  • US1920324A - Dye compounds and process of producing same : en
  • US1920455A - Box car construction : en
  • US1920880A - Propeller construction : en
  • DE581745C - Locking device for the starter pinion of starters for internal combustion engines : de en
  • ES130955A1 - A heating process for the ovens by compartments. : en es
  • DE581727C - Method and device for the production of carbonic acid ice : de en
  • DE581869C - Process for the production of iron in a shaft furnace : de en
  • US1920668A - Safety sadiron : en
  • ES130970A1 - A new procedure whose industrial purpose is to produce the reciprocating rectilinear movement of a piston. : en es
  • ES131013A1 - Improvements in electric discharge tubes. : en es
  • SU31320A1 - Automatic controller to evenly distribute the load between parallel-acting alternators : en ru
  • BE396792A - : en
  • CA334531A - Sprinkler system : en fr
  • SU31004A1 - The method of obtaining potassium nitrate by the interaction of calcium nitrate and potassium chloride : en ru
  • SU31232A1 - Rod combination lock : en ru
  • US1920260A - Mechanism for supplying fastenings : en
  • US1920377A - Selective reduction : en
  • US1920729A - Telephone message recording and reproducing apparatus : en
  • SU31079A1 - The method of obtaining resin : en ru
  • SU31027A1 - Car with a vacuum refrigerator : en ru
  • SU31292A1 - Endless tape recorder : en ru
  • US1920556A - Extensible swift for the winding of hanks of silk, cotton, or other yarns of different diameters : en
  • BE397118A - : en fr
  • CH163002A - Process for the production of a wetting, dispersing, emulsifying and washing agent. : de en
  • DE581866C - Manufacture of chemical-resistant vessels : de en
  • FR749962A - Single-pole electrical installation for automobiles : en fr
  • FR750061A - Device to make the projection of the headlights comply with the highway code : en fr
  • FR42530E - Process for processing sweet juices : en fr
  • FR750028A - Metal propeller : en fr
  • FR749921A - Alèze, or hospital sheet : en fr
  • FR749920A - Universal protective helmet : en fr
  • DE581801C - Billet or billet shears cutting from bottom to top : de en
  • FR750063A - Static polarization of AC devices : en fr
  • US1920247A - Treatment of hydrocarbon oils : en
  • FR42489E - Hose clamp for piston rings : en fr
  • DK47589C - Separate packaging box, which is assembled by rerouted binding wire. : da en
  • CH162969A - Method and device for winding rayon threads and other thread material. : de en
  • US1920737A - Filament treating : en
  • DE581658C - Process for the sulfonation of fats and fatty acids in the presence of organic acid anhydrides or acid chlorides : de en
  • FR750085A - Improvements to liquid pumps comprising a helical-shaped rotor, and application to liquid transfer devices : en fr
  • DE581761C - Pulp : de en
  • ES130956A1 - A procedure to avoid the formation of lumps and increase the dissolution speed of powdered or granular detergent products. : en es
  • CH163189A - Process for the separation of mixtures of isomeric vat dyes. : de en
  • US1920285A - Fluid motor : en
  • ES131036A1 - Steam generator with fluid kinematic circulation. : en es
  • FR750151A - Shade or reflector in opaque material : en fr
  • GB396358A - Improvements in or relating to devices for washing and separating impurities from cereals and the like : en
  • SU31011A1 - The method of purification of anthraquinone : en ru
  • SU31108A1 - Automatic barrier for lifts : en ru
  • DE581703C - Sports sailing wagon : de en
  • ES130930A1 - A surface insertion cofferdam. : en es
  • DE581863C - Water column machine with valve slide mechanically controlled by the working piston and arranged perpendicular to the cylinder axis : de en
  • DE581998C - Automatic electric ignition device for gas appliances : de en
  • GB396252A - Improved means for holding brake magnets : en
  • ES131050A3 - Improvements in or relating to bottle capping machines. : en es
  • FR750192A - Single or multiple squirrel cage armature asynchronous motor : en fr
  • GB396234A - Process for the manufacture of tools : en
  • GB396285A - Improvements in and relating to pneumatic sheet delivery or feeding apparatus : en
  • GB396445A - Improvements relating to electrically operated elevators, lifts and like installations : en
  • GB396302A - Improvements in vanity cases : en
  • US1920309A - Electric motor : en
  • DE581891C - Process for increasing the melting point of montan wax : de en
  • ES131085A1 - A process for the manufacture of unalterable rubber products. : en es
  • GB396129A - Improvements in and relating to metal compositions : en
  • FR750186A - Excavator dredge working in depth : en fr
  • GB396406A - Improvements in or relating to boxes or cartons used as display devices : en
  • FR42490E - Fast and economical process for baking sheets and other molded products, expanded agglomerated cork : en fr
  • FR750156A - Process of photography and cinematography of polychrome plastic-effect images : en fr
  • FR750195A - Tapered roller bearings improvements : en fr
  • GB396296A - Improvements in machines for testing the balance of rotary bodies : en
  • DE581637C - Hot water circulation heating with a displacement heat storage tank and circulation pump connected between the flow and return lines : de en
  • DK47605C - Device with four-wheel brakes, especially for Automobiles. : da en
  • ES130896A1 - IMPROVEMENTS IN THE CHANGES OF NEEDLES WITH FLEXIBLE BLADE : en es
  • ES130985A1 - Improvements in thermionic valves. : en es
  • DE581895C - Cover for injection needles : de en
  • DE581649C - Device for opening and relocating the washing lines in rope washing machines : de en
  • DE581824C - Process for the production of pre-machined, hardened or tempered workpieces : de en
  • DE581965C - Device for ventilating the resistance connections of AC commutator machines between the winding and the commutator segments of the armature : de en
  • ES130904A1 - PROCEDURE FOR THE WHITENING OF VEGETABLE FIBERS : en es
  • GB396101A - Improvements in or relating to electric secondary or storage batteries : en
  • FR749860A - Device to facilitate the reading of navigation instruments : en fr
  • USD90426S - Design fob a textile fabric or : en
  • GB396383A - Improvements relating to alloy steel articles or parts of machinery : en
  • FR750172A - Baby toiletries : en fr
  • SU31376A1 - Method of casing immersion for forming concrete piles in the ground : en ru
  • SU31378A1 - Electro wind station : en ru
  • DE581877C - Welding socket connection : de en
  • ES130700A1 - Procedure of construction of folding boxes for sugar cases. : en es
  • ES130822A3 - Improvements in the manufacture of valves for automobile pneumatic tubes. : en es
  • GB396207A - Improvements in or relating to advertising and display devices : en
  • ES130946A1 - A new procedure for obtaining vulcanized rubber strips with perforations spaced and reinforced with galvanized wire. : en es
  • FR42458E - Automatic ignition device for liquid hydrocarbon burners : en fr
  • FR750162A - economizer for internal combustion engines : en fr
  • GB396245A - Improvements in or relating to vacuum jars or like containers : en
  • GB396724A - Improvements relating to the manufacture of ethyl alcohol : en
  • AU844232A - Improvements in or relating to electrical oscillation generators : en
  • US1920262A - Aluminum alloy : en
  • USD90411S - Design for a shoe : en
  • CH162976A - Apparatus for the manufacture of a textile yarn impregnated to the heart with a substance capable of uniting the fibers to each other. : en fr
  • CA334489A - Turbine : en fr
  • DE581849C - Dishwasher, especially for bowls or the like. : de en
  • FR750079A - Combustion chamber and its construction method : en fr
  • US1920688A - Electric controlled timing device : en
  • US1920849A - Transformer supporting means : en
  • CH163020A - Process for the production of molded masses. : de en
  • GB396337A - Hemstitch and embroidery seams : en
  • CA334585A - Heat treatment of steel rails : en fr
  • CH163070A - A process for surface hardening alloys of stainless steel and stainless steel alloy, surface hardened by this process. : en fr
  • CH163016A - Device for holding the work piece on machines for shredding soap or other plastic materials. : de en
  • US1920817A - Fire box construction : en
  • CH163112A - Spring-loaded suspension device for tariff devices. : de en
  • US1920593A - Means for and method of delivering molten glass charges to shallow molds : en
  • US1920698A - Adjustable gate for both ways of flow in substantially horizontal sluices : en
  • SU31044A1 - A device for slipping the rolling stock of railways : en ru
  • CA334544A - Frequency control system : en fr
  • CH163023A - Sheet intended for statistical machines and manufacturing process of this sheet. : en fr
  • US1920892A - Spirit level : en
  • CH163082A - Throttle valve with hose seal. : de en
  • CA334471A - Electrical resistance unit : en fr
  • SU31104A1 - Device crane supports for construction cranes : en ru
  • SU31361A1 - Pneumatic wheel for crews : en ru
  • US1920399A - Photo-composing machine : en
  • US1920443A - Machine for-placing plastic : en
  • US1920553A - Connecting means for screened cables : en
  • SU31080A1 - The method of obtaining drying varnishes : en ru
  • BE396776A - : en
  • ES131164A1 - Improvements in the treatment and packaging of liquid food products. : en es
  • ES130526A1 - A NEW MANUFACTURING SYSTEM FOR PAPER RING CURTAINS : en es
  • ES131000A1 - A gasifier device. : en es
  • US1920682A - Method and device for cooling gases by contact with alpha liquid : en
  • ES130999A1 - A method for separating materials comprised in a mixture. : en es
  • ES130527A1 - A piston pump for simultaneous aspiration and measurement of liquids. : en es
  • US1920240A - Apparatus for vacuum sealing screw cap containers : en
  • CH162981A - Electric iron. : de en
  • CH163014A - Cleaning and polishing preparations, in particular for automobiles. : de en
  • US1920354A - Edge-wound core : en
  • DE544990C - Spring-loaded plug socket : de en
  • DE581675C - Prosthesis for dental or other medical purposes : de en
  • SU30991A1 - Depth gauge : en ru
  • US1920193A - Display package : en
  • US1920498A - Means for mounting electrically actuated mechanisms for driving lathes and other machines : en
  • US1920684A - X-ray device : en
  • US1920789A - Film driving apparatus : en
  • USD90409S - Design for a bag lock : en
  • SU31152A1 - Device for controlling the temperature of the mixture : en ru
  • US1920778A - Casing or cover for radiators : en
  • BE395488A - : en
  • DE581982C - Waterproof bag made of paper or fabric for insertion in household waste containers : de en
  • ES130464A1 - A procedure and its corresponding special device for the preparation and formation of the stringers of the so-called zip fasteners with a sliding clasp. : en es
  • GB396268A - Improvements in stud fastenings : en
  • US1920427A - Automatic machine for making patterned hosiery : en
  • SU31028A1 - Rail way guard : en ru
  • SU31264A1 - Device for automatic feeding bins : en ru
  • US1920601A - Electron discharge device : en
  • CA334459A - Extruded tubing : en fr
  • CA334494A - Range grid and cover : en fr
  • US1920395A - Process of producing yeast without alcohol : en
  • SU31231A1 - The method of pouring holes for spindles in grinding wheels : en ru
  • SU31155A1 - Adaptation to Mac-Leod-type manometer for moving fluid : en ru
  • SU31257A1 - Capture to elevator for bags : en ru
  • US1920355A - Mop : en
  • AU844332A - Improvements inthe manufacture of packing materials for sliding bearings andthe like : en
  • SU31296A1 - Furnace for the direct production of iron and steel from ores : en ru
  • US1920228A - Feeding mechanism for machine tools : en
  • US1920767A - Stop motion for roving and spinning machines : en
  • US1920828A - Amino-xylenois and process of : en
  • US1920359A - Vessel and track construction for refrigerators : en
  • BE395375A - : en fr
  • DE568235C - Heating jacket for cookers : de en
  • DE581670C - DC amplifier arrangement : de en
  • DE581890C - Overcurrent circuit breaker with two or more interruption points : de en
  • SU31234A1 - Spherical Bomb : en ru
  • SU31052A1 - A device for indicating the presence of a nudging locomotive or train on a stretch to be returned to the station of departure : en ru
  • US1920281A - Shoe support : en
  • CH163038A - Process for the preparation of red-sensitive silver halide emulsions. : de en
  • US1920619A - Laminated glass and process of making it : en
  • GB396261A - Method of and apparatus for manufacturing soldered zinc coverings for galvanic cells : en
  • ES1663U - Folding blind for closing of any kind and hollow shape. (Machine-translation by Google Translate, not legally binding) : en es
  • US1920306A - Process of preparing cellulose esters : en
  • US1920653A - Carton spout : en
  • US1920863A - Amplification of radiant energy : en
  • BE396701A - : en fr
  • CH163089A - Device to avoid resonance vibrations in pump pressure pipes that are connected to an air tank. : de en
  • US1920610A - Steel hose joint : en
  • CH163011A - Process for the preparation of a derivative of 1.9-anthrapyrimidine. : de en
  • CH163156A - Locking device on wooden vessels. : de en
  • SU31206A1 - Friction transmission : en ru
  • DE581676C - Compression bandage : de en
  • US1920588A - Method of treating tobacco : en
  • DE581919C - Flexible coupling serving as a universal joint, especially for motor vehicles : de en
  • SU31017A1 - The method of obtaining dimethylacetylene carbinod : en ru
  • GB396361A - Loud speaker system or the like with a permanent magnet : en
  • ES1719U - A hydraulic press to obtain olive oil (Machine-translation by Google Translate, not legally binding) : en es
  • DE581764C - Gas generators for automobiles : de en
  • GB396111A - A process for utilising the waste heat and gases obtained from the blast furnace hot air stoves, boilers and connecting channels : en
  • FR749910A - Improvements to the means to ensure the lighting of traffic areas such as, in particular, the arteries of a built-up area : en fr
  • SU31010A1 - Method for producing methylpropyl ketone and methyl butyl ketone : en ru
  • SU31301A1 - Device for decomposing a still image when it is transmitted to a distance : en ru
  • US1920289A - Method for dehydrating, without decomposition, hydrated salts : en
  • US1920269A - Packing unit : en
  • US1920328A - Cash kegistee : en
  • US1920483A - Preservation of the aroma of tobacco and tobacco goods : en
  • US1920934A - Corrosion resisting steel : en
  • CA334455A - Lifting jack : en fr
  • DE581954C - Process for the production of mixed esters of cellulose : de en
  • DK47591C - Procedure and Device for Forming and Assembling Reinforcing Iron. : da en
  • DK47606C - Electric Clock. : da en
  • ES130861A3 - A process for making electric discharge tubes provided with luminescent substances. : en es
  • DE582005C - Circuit for electrically driven turnouts or signals : de en
  • CH163028A - Die setting and line casting machine with die rods suspended from wires in a circuit. : de en
  • FR42477E - Improvements to temperature exchangers : en fr
  • FR749853A - New speed change system for transmissions by movable groove pulleys and V-belts : en fr
  • GB396246A - Improvements in and relating to the control of the feeding mechanism of machine tools : en
  • GB396374A - Improvements in and relating to ropeways : en
  • DE581827C - Process for the esterification of cellulose : de en
  • GB396235A - Improvements in and relating to the fixing of plates made of fusible bituminous material on to surfaces and walls : en
  • GB396262A - Improvements in and relating to spectacles : en
  • GB396289A - Improvements in or relating to water-tube locomotive and like fireboxes : en
  • CA334428A - Rotary harrow : en fr
  • USD90424S - Design for atextdle fabric ob : en
  • SU31253A1 - Sealing Device : en ru
  • SU31297A1 - Device for loading into the reflective furnace of pulverized materials to be processed : en ru
  • US1920938A - Valve loading device : en
  • SU27267A1 - Adjustable lining for the installation of products when processing them on milling machines : en ru
  • US1920221A - Advertising display device : en
  • US1920529A - Paper container : en
  • FR749975A - Improvements to amplifiers : en fr
  • FR750090A - Improvements to assembly processes for metal bars or tubes : en fr
  • SU31154A1 - Dynamometer to determine cutting torque : en ru
  • BE397262A - Lighting installation : en fr
  • ES130909A3 - A bomb intended to be dropped by aircraft. : en es
  • ES131049A3 - A machine for making caps or caps for bottles. : en es
  • ES131089A1 - An apparatus for the study of the vision of the colors or chromatopsia. : en es
  • GB396307A - Improved hydraulic pass and by-pass valve for use with gas plant : en
  • CH163145A - Flat bank multiple for voters in telephone systems. : de en
  • US1920574A - Exercising machine : en
  • US1920641A - Process and apparatus for separating glass sheets : en
  • SU31002A1 - Apparatus for separating oil from water : en ru
  • GB396114A - Improvements relating to hot-water bags and surgical irrigators : en
  • CH163187A - Process for the preparation of a water-soluble dye of the anthraquinone series. : de en
  • CH163162A - Transmission gears for vehicles. : de en
  • CH163025A - A bookmark that can be used as a line or column pointer. : de en
  • FR749880A - Accessory for inserting the junction plugs into the slotted terminals of junction boxes and the like and for removing them from them : en fr
  • FR750113A - New sliding or hung window system : en fr
  • GB396280A - Improvements in knitting machines : en
  • CH163019A - Process for making a liquid rubber product. : de en
  • FR749953A - Rubber vulcanization process : en fr
  • ES130754A1 - IMPROVEMENTS IN THE PRTA-UTILES, PARTICULARLY FOR TOOLS USED FOR DENTIST : en es
  • DE581620C - Push-off device for billiard balls with springy and rotating piston : de en
  • US1920908A - Machine for making articles from molten material : en
  • GB396427A - Improvements in and relating to fuels for internal combustion engines : en
  • FR750105A - Device for adjusting shooting against moving goal : en fr
  • FR42543E - Door without lut for coke oven : en fr
  • FR750125A - Improvements in processes for the manufacture of superoxygenated combinations, in particular of peroxides and persalts with a high oxygen content : en fr
  • SU31229A1 - Column for tempering in measured quantities of liquid : en ru
  • GB396120A - Improvements in and relating to signalling apparatus for road traffic and like purposes : en
  • GB396375A - Improvements in or relating to the synthesis of formic acid : en
  • FR749911A - coffee grinder : en fr
  • FR750160A - Swing : en fr
  • GB396393A - New indophenols and sulphur dyes therefrom : en
  • SU31023A1 - Water economizer : en ru
  • FR750115A - Development of lanterns and headlights for bicycles and motorcycles : en fr
  • GB396110A - Mechanism for making nuts and other articles : en
  • FR749899A - Improvements to rotary piston pumps : en fr
  • FR750166A - Safety clasp that can be opened with one hand and can be applied to adornments and other items : en fr
  • GB396336A - Improvements relating to electric condensers : en
  • ES1796U - Apparatus for the conservation, transport and display of eggs. (Machine-translation by Google Translate, not legally binding) : en es
  • FR42522E - New ammeter protection relays for alternating current electrical devices : en fr
  • SU31343A1 - Kolovratny engine : en ru
  • FR750019A - Simplified glazing iron device allowing the installation of windows without sealant : en fr
  • ES131020A1 - Machine to tin automatically the edges of metal boxes or cans. : en es
  • FR42524E - Improvements to internal combustion engines : en fr
  • ES131111A1 - Improvements introduced in the fuel supply means for internal combustion machines. : en es
  • GB396306A - Improvements in or relating to apparatus for packeting cigarettes and like articles : en
  • GB396193A - Improvements in and relating to lifting trucks : en
  • ES130841A2 - APPARATUS INTENDED FOR JOINTLY COMBINED MUSICAL SPOKEN ADVERTISING : en es
  • DE581783C - Device for generating cold, especially for liquefying difficult to liquefy gases : de en
  • DE581840C - Reflector arrangement for short electric waves : de en
  • FR750110A - Time indicator-controller clockwork mechanism : en fr
  • GB396297A - Improvement relating to sliding doors, gates, shutters and the like : en
  • CH163205A - Tube with automatic locking device. : de en
  • DE581712C - Device for simultaneous, double-sided notching of roof tiles : de en
  • FR750009A - Container for products which must retain a certain degree of humidity : en fr
  • SU31055A1 - Phone : en ru
  • US1920471A - Sewing machine : en
  • BE397093A - : en
  • CH163054A - Sound-permeable projection screen and process for its manufacture. : de en
  • CH163146A - Television method and apparatus for carrying it out. : en fr
  • FR42506E - Container, blank for its manufacture and means and method for its sealing : en fr
  • US1920708A - Method of manufacturing cigarettes : en
  • US1920194A - Frequency multiplier : en
  • US1920177A - Capacitor : en
  • US1920931A - Roofing material : en
  • DE581700C - Breathing filter : de en
  • FR750142A - Support for accessories: headlights, fenders, bodyguards, etc., oriented by vehicle wheels : en fr
  • CA334575A - Textile bobbin : en fr
  • GB396317A - Improvements in or relating to means for connecting piston rods to cross heads : en
  • US1920429A - Printing apparatus : en
  • US1920494A - Manufacture of coumarin : en
  • DE581622C - Game for catching loose bodies : de en
  • DE581968C - Carrierless adhesive film made from glutinous protein : de en
  • FR42516E - Cooling device for reciprocating pistons : en fr
  • FR750190A - Hydraulic brake for cars or motor vehicles : en fr
  • GB396243A - Obtaining useful products such as fibres and fillers for plastic compositions from the centres or cores of kapok pods and similar fruits of the botanical family bombaceae : en
  • GB396349A - Improvements in the manufacture of ceramic earthenware and the like articles : en
  • CH163001A - Process for the production of a wetting, dispersing, emulsifying and washing agent. : de en
  • US1920805A - Heating system for internal combustion engines : en
  • CH163000A - Process for the production of a wetting, dispersing, emulsifying and washing agent. : de en
  • SU31227A1 - Air pressure regulator : en ru
  • CH162941A - Jet breaker device. : en fr
  • US1920185A - Glare screen : en
  • DE581689C - Starting device : de en
  • DE581731C - Connection of power-transmitting machine parts : de en
  • CA334514A - Copper ore flotation : en fr
  • DE581716C - Small synchronous motor, especially for driving clocks and tariff devices : de en
  • GB396343A - Improvements in and relating to shock absorbing or damping devices for hydraulic steering gears : en
  • CA334582A - Filing device : en fr
  • CA334451A - Bath installation : en fr
  • US1920403A - Process for producing polymerization products of vinyl halides : en
  • FR749903A - Improvements to valves and their control mechanism, more particularly in internal combustion engines and the like : en fr
  • IE12647L - Wireless receivers. : en
  • SU31187A1 - Fuel pump : en ru
  • US1920402A - Car dumper : en
  • USD90405S - Design fob a combined voting : en
  • SU31174A1 - Sheaves of bulk with no-elevator sheaves with visual apparatus : en ru
  • CH163181A - Process for the preparation of tert-butyl-m-cresol methyl ether. : de en
  • AU885232A - A lining for horse collars and saddles : en
  • DE581858C - Speed governor for prime movers, in which the force of the governor spring is adjustable by a piston acted upon by a pressure medium and acting parallel to the spring force : de en
  • SU31090A1 - Apparatus for effecting condensed carbon dioxide on the surface of the body : en ru
  • SU31362A1 - Wheel hub for outdoor conveyances with automatic lubrication of the neck with cameras : en ru
  • US1920547A - Press : en
  • US1920945A - Rotary material reducing machine : en
  • CH163136A - Dentures. : de en
  • US1920745A - Electroresponsive device : en
  • US1920632A - Contrivance for carrying out gas reactions at high temperatures : en
  • US1920374A - Cash register : en
  • US1920630A - Automatic electrode mounting machine : en
  • US1920769A - Refrigerated burner nozzle : en
  • CH163139A - Process for obtaining female sex hormones in crystallized form. : de en
  • CH163173A - Propeller drive device, in particular for aircraft. : de en
  • DE581990C - Soap for cleaning and protecting wool, feathers and hair against textile pests : de en
  • FR749936A - Ear protectors : en fr
  • SU31106A1 - Stationary construction elevator : en ru
  • US1920175A - Driving mechanism for the wheels of : en
  • CH162968A - Machine for winding a plurality of yarn threads and the like in closely spaced turns on a winding spindle. : de en
  • US1920420A - Metallic spool or reel : en
  • US1920577A - Folding table : en
  • CH163042A - Record counter for card games. : en fr
  • US1920798A - Baffle for straight tube boilers : en
  • DE581575C - Furnace for burning alkaline earth carbonates : de en
  • US1920895A - Sugar dispenser : en
  • SU31338A1 - Windrower : en ru
  • US1920398A - Shaving brush : en
  • US1920648A - Athletic supporter : en
  • CA334574A - Roller blind or shutter : en fr
  • US1920734A - Automatic arc welding apparatus : en
  • CA334567A - Physiologically active extract : en fr
  • CH163171A - Shock absorbers. : de en
  • DE581643C - Method of adding flotation additives : de en
  • ES131088A1 - System of axles and filming so that the vehicles can circulate by road indistinctly or by railroads of different width. : en es
  • GB396423A - Refrigerating apparatus : en
  • US1920268A - Metal coffee receptacle : en
  • US1920367A - Electric water closet : en
  • CA334432A - Trolling lure : en fr
  • CA334457A - Steel girder : en fr
  • US1920831A - Transverse bracing for metallic floor joists : en
  • ES130856A1 - An electric discharge tube. : en es
  • SU31091A1 - Pripyl for molds for casting magnesium alloys : en ru
  • CH163049A - Installation on apparatus that periodically records values. : de en
  • DE581396C - Blades for impellers of pumps, turbines and turbo compressors : de en
  • DE581734C - Device for suppressing interference in speech or signal circuits : de en
  • US1920568A - Cigar box hinge : en
  • DE581603C - Dusting powder for combating softwood diseases, especially the Schuette : de en
  • AU841832A - Improvements in or relating to joints for pipes andother metal receptacles : en
  • FR42488E - Automatic grain measuring machine for cereals and others : en fr
  • FR750133A - Improvements to electrical contacts : en fr
  • SU31335A1 - Searchlight for poppies : en ru
  • SU31341A1 - Fixture preventing the lowering and sticking of the bottom rope of fishing nets : en ru
  • SU31281A1 - Knitting needles tongue making machine : en ru
  • CA334524A - Armour plate : en fr
  • CH163190A - Process for the separation of an isomeric vat dye mixture. : de en
  • CA334570A - Flush valve : en fr
  • GB396180A - Improvements relating to electric accumulators : en
  • FR42478E - One side hardened armor plate : en fr
  • GB396196A - Improvements relating to bushing insulator type of current transformers : en
  • GB396438A - Improvements in and relating to a special steel, destined for the manufacture of light weight cylinders or bottles for storing compressed gases : en
  • DE581686C - Listening device with adjustable resonator : de en
  • DE581897C - Permanent hair waving apparatus : de en
  • ES131028A1 - A procedure for making razor blades. : en es
  • ES130870A1 - Perfeccionamientos for the manufacture of blown glass objects to the cane. : en es
  • GB396188A - Improvements in fusible electric cut-outs : en
  • ES131076A1 - A new system of sharpening the blades of the tools to mow. : en es
  • FR42521E - Process for waterproofing paper and cardboard : en fr
  • DE581690C - Thread-shaped, hollow insulating material made of metal or textile : de en
  • US1920176A - Spring cushion : en
  • US1920868A - Latch operating means : en
  • DE581680C - Stove top : de en
  • DE581669C - Display device for track occupation : de en
  • CH163055A - Shooting glasses. : en fr
  • ES1788U - A pendant for the suspension of lamps (Machine-translation by Google Translate, not legally binding) : en es
  • FR42483E - Improvements to dental impression devices : en fr
  • SU31267A1 - Sediment Trough for water purification devices : en ru
  • GB396174A - Improvements relating to equipments for the control of direct current electric motors : en
  • GB396266A - Improvements in windows : en
  • ES130852A1 - A regulator of the amount of water injected into the suction pumps according to the pressure increase. : en es
  • GB396698A - Smelting process for solid substances with high melting point : en
  • FR749928A - Rubber vulcanization process : en fr
  • FR750153A - New rubberized wood sole system : en fr
  • ES130873A1 - Dosing device and distributor of food or other liquids, especially milk. : en es
  • ES130568A1 - A new system for manufacturing rubber heels. : en es
  • ES131080A1 - Improvements in liquid refrigeration appliances. : en es
  • FR749935A - Process for manufacturing homogeneous and non-deformable woody material, in particular blocks, boards, plates, etc., and device for implementing this process : en fr
  • GB396411A - Improvements in flash-light lamps : en
  • US1920726A - Bearing : en
  • CH162947A - Cleaning and polishing preparations for metals. : de en
  • DE581802C - Control for scissors for cutting rolling stock in motion : de en
  • ES130741A1 - Burner for liquid fuel. : en es
  • DE581920C - Gliding vehicle : de en
  • FR749942A - Lubricants and process for their preparation : en fr
  • GB396122A - Improvements in settings for vertical retorts used in the production of gas and for like purposes : en
  • US1920350A - Device for mounting wheels on hubs : en
  • US1920785A - High frequency current measuring apparatus : en
  • US1920356A - Hasp fastening for suit and attache cases and the like : en
  • DE581684C - Process for the production of purified rubber : de en
  • USD90407S - Design for a textile fabric : en
  • US1920169A - Weed and grass cutter : en
  • US1920744A - Material for preparing metal for painting : en
  • FR42519E - New tight fitting for liquid pipelines : en fr
  • FR749919A - Horseshoe with interior trim : en fr
  • AU838532A - Device for use in fastening wool packs andthe like : en
  • CH162956A - Coffee machine. : de en
  • CH163114A - Arc extinguishing device for electric switch. : en fr
  • DE581645C - Steam burner : de en
  • FR750011A - Improvements in regeneration by distillation of gas scrubbing oils : en fr
  • GB396333A - Improvements in automatic lathes : en
  • GB396355A - Improvements in or relating to valve gear for internal combustion engines : en
  • US1920848A - Lock mechanism : en
  • US1920261A - Storage battery ventilating plug : en
  • US1920286A - Two-piece jar closure : en
  • SU31368A1 - Tunnel oven : en ru
  • US1920681A - Condensing apparatus : en
  • SU31040A1 - Brake pads acting on the bandage of the wheels of a railway carriage : en ru
  • US1920361A - Pencil and method of finishing same : en
  • US1920447A - Vehicle windshield wiper, the like normally used on motor cars and other propelled carriages : en
  • US1920468A - Separation of immiscible liquids : en
  • US1920910A - Alloy steel and its manufacture : en
  • CH163063A - Hard metal alloy. : de en
  • SU31061A1 - Oil filling cable : en ru
  • CA334553A - Lateral motion truck : en fr
  • SU31150A1 - A device for playing sounds : en ru
  • AU1006532A - Improvements in centrifugal separators : en
  • DE581701C - Car body assembled from sheet metal : de en
  • GB396787A - Improvements in absorption refrigerating apparatus : en
  • DE581598C - Reagent tube holder : de en
  • DE581845C - Process for coloring solvents, fats, oils, waxes or products made from them : de en
  • FR750174A - Rotary motion machine : en fr
  • SU31359A1 - Apparatus for the formation of fire extinguishing foam : en ru
  • DE581611C - Trailer coupling for semi-trailer : de en
  • ES130962A2 - IMPROVEMENTS INTRODUCED IN THE PURPOSE OF THE MAIN PATENT NUMBER 125859 : en es
  • FR750169A - Drying apparatus intended more specifically for drying photographic images : en fr
  • GB396159A - Improvements in or relating to the manufacture of compositions containing rubber or similar materials : en
  • DE581618C - Coreless cylindrical grinding machine : de en
  • SU31371A1 - A device for increasing heat transfer in rotary kilns from hot gases to the calcined material : en ru
  • US1920924A - Rotary valve : en
  • DK47596C - Boiler boiler box with transverse water pipes. : da en
  • FR749979A - Visible spark spark plug : en fr
  • GB396259A - Improvements relating to alternating electric current motors : en
  • FR750170A - Automatic brake, especially for goods lifts and elevators : en fr
  • FR750187A - Process for the manufacture of high-strength artificial agglomerates, specially adapted for forming small blocks for paving streets : en fr
  • CA334529A - Leaf tobacco preparing apparatus : en fr
  • CA334458A - Neoarsphenamine : en fr
  • US1920676A - Revolving fish lure : en
  • SU31100A1 - Glass Shutter : en ru
  • SU31085A1 - The method of cleaning smoke tubes from soot : en ru
  • US1920869A - Machine for applying friction covers to containers : en
  • ES130867A1 - Improvements in the looms for silk fabrics or other textile fiber. : en es
  • ES130988A1 - An automatic measuring spout for liquors. : en es
  • FR750094A - Gas and vapor treatment process : en fr
  • DE581786C - Device for generating current pulses : de en
  • FR750121A - Cleaning product : en fr
  • GB396121A - Improvements in and relating to tobacco pipes : en
  • SU31125A1 - Clinical operating room device : en ru
  • SU31144A1 - A device for determining the flow rate of a fluid : en ru
  • US1920723A - Bearing : en
  • US1920504A - Container : en
  • FR42474E - Pylons or metal poles for force transport or any other use : en fr
  • SU31029A1 - Mobile device for watering streets : en ru
  • US1920503A - Structural glass for covering walls and ceilings : en
  • FR750073A - Impermeable pipe for laying small pipes or electric cables : en fr
  • ES130816A1 - Improvements in two-stroke internal combustion engines. : en es
  • FR749967A - Baby carriage rocker device : en fr
  • FR749991A - Chipboard : en fr
  • GB396162A - Improvements in or relating to doors : en
  • US1920662A - Radiotube base pin locating device : en
  • US1920854A - Heat insulating means for use in producing metallic castings : en
  • FR42466E - Device for decomposing tissue attaching to the finger and method of decomposition : en fr
  • FR750181A - Triode refinements : en fr
  • ES1487U - New bracelet (Machine-translation by Google Translate, not legally binding) : en es
  • BE397005R - : fr
  • CH163057A - Timepiece with multiple moving dials. : en fr
  • FR749875A - Improvements to torsional oscillations damping devices for drive shaft sets, in particular for submarines : en fr
  • US1920165A - Mouth cleansing device : en
  • FR749881A - Bodywork for pedal cars and toys or the like : en fr
  • GB396118A - Improvements in mechanism or apparatus for removing the india rubber treads from the outer covers of pneumatic tyres : en
  • FR749861A - Heated razor : en fr
  • FR42479E - Item such as umbrella, parasol, cane, etc. : en fr
  • FR750030A - Aerial sounder : en fr
  • FR750135A - Anti-glare device : en fr
  • SU31059A1 - Automatic telephone talk time meter : en ru
  • CA334490A - Liquid separator : en fr
  • ES130948A3 - Improvements in wastewater treatment facilities. : en es
  • GB396148A - Improvements in or relating to the mounting of power units of rail motor coaches and like rail vehicles : en
  • US1920437A - Separating device : en
  • DE581896C - Closure for suitcases, bags, etc. like : de en
  • GB396115A - Improvements in cake baking tins : en
  • ES131006A1 - A DEVICE FOR THE COUPLING OF TUBES OR BARS BETWEEN If : en es
  • ES131072A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 130525 : en es
  • DE581677C - Machine for making mats from glass wool : de en
  • GB396241A - Safety device for automobiles, the gas valve and brake of which are operated by one and the same pedal : en
  • DE581833C - Feed water regulator : de en
  • DE581683C - Plywood board : de en
  • ES131026A3 - An automatic machine for making paper tubes. : en es
  • GB396117A - Improvements in and relating to the voltage regulation of hot cathode rectifiers : en
  • FR749869A - Coupling arrangement for line protection : en fr
  • US1920378A - Electric furnace electrode holder : en
  • DE581940C - Heating wall for ovens for the production of gas and coke, consisting of a series of vertical heating trains : de en
  • FR42470E - Apparatus for drawing and refrigerating liquids : en fr
  • FR750068A - Improvements to mechanisms using adhesion, for all applications : en fr
  • FR750180A - lock nut : en fr
  • DE581885C - Lightning protection fuse for electrical overhead lines : de en
  • ES130518A1 - IMPROVEMENTS INTRODUCED IN THE COATING TREATMENT : en es
  • SU31072A1 - Irradiation device : en ru
  • US1920376A - Electrothermic reduction process : en
  • US1920255A - Electbode fob therapeutic abc : en
  • US1920394A - Watch-shaped golf-scorer : en
  • DE581859C - Thread tensioning device : de en
  • SU31127A1 - Hand-operated motor tools : en ru
  • US1920585A - Condensation product of alkali : en
  • US1920936A - Phonograph : en
  • US1920278A - Automatic train pipe connecter : en
  • FR750059A - : fr
  • ES130934A1 - Improvements in woodworking machines. : en es
  • DE581694C - Method for regulating the speed of pressurized fluid motors, in particular for the table drive of machine tools : de en
  • USD90397S - Design fob a burial vault : en
  • DE581738C - Air humidifier : de en
  • ES131012A1 - PADDING MANUFACTURING PROCEDURE : en es
  • GB396394A - Improvements in and relating to tipping bodies for motor vehicles : en
  • ES130895A3 - A process for the manufacture of glacé brown (glazed chestnut) chocolates. : en es
  • SU31020A1 - The method of obtaining acetyl phenetidine : en ru
  • FR749913A - Improvements in the manufacture of artificial materials : en fr
  • FR750123A - : fr
  • FR750143A - Vehicle suspension : en fr
  • GB396377A - Improvements in pivots : en
  • US1920909A - Iron or steel and process of making or treating same : en
  • USD90425S - Design for a milk bottle spout : en
  • SU31256A1 - Elevator bucket : en ru
  • SU31285A1 - The method of obtaining anise aldehyde : en ru
  • FR750103A - Improvements to hydraulic shock absorbers : en fr
  • DE581961C - Device for automatic train control according to the point control system : de en
  • DE581688C - Circulation cooling device for rotary piston internal combustion engines : de en
  • DE581976C - Starting device : de en
  • ES131022A1 - PROCEDURE FOR OBTAINING MEANS FOR THE DESTRUCTION OF INSECTS AND HARMFUL FUNGI : en es
  • FR42497E - Security device for locks : en fr
  • US1920203A - Apparatus for handling material : en
  • DE581652C - File box with foldable walls : de en
  • FR750015A - Engine cylinder : en fr
  • GB396405A - Improvements in or relating to relatively bullet-proof sheet materials or moulded compositions : en
  • ES130419A1 - Procedure for obtaining means to combat insects. : en es
  • ES130593A1 - PROCEDURE FOR THE MANUFACTURE OF CHEESES CALLED CREAM : en es
  • ES131106A1 - Improvements in the construction of typographic machines with ingot casting equipment. : en es
  • GB396184A - Improvements in or relating to endless belt or band conveyors : en
  • GB396409A - Improvements in pulsators for milking machines : en
  • SU31248A1 - A method of manufacturing a waterproof construction material : en ru
  • GB396388A - Improved construction of sealed sheet metal cans : en
  • US1920540A - Process for coloring fruits and vegetables : en
  • US1920807A - Container : en
  • DE581933C - Double-acting multi-stroke piston machine for toy purposes moved by means of a cam groove : de en
  • ES131064A1 - A process for the preparation and shaking of masses of ground olives for the extraction of oils, by means of the use of a new vertical rotating system of heating vanes articulated to a central common core, whose set of cores and : en es
  • GB396137A - Improvements in money or change trays for shop-counter use : en
  • ES130868A3 - Apparatus for cold bending the valves of the tire tubes. : en es
  • FR749885A - Improvements in loose-leaf bindings and in the methods and means of making provisional booklets using loose-leaf : en fr
  • FR749862A - Method and device for automobile lighting : en fr
  • GB396199A - Improvements in or connected with lifts, hoists and the like : en
  • GB396192A - Pneumatic spring suspension means for vehicles : en
  • FR750039A - New manufacturing process for nitrided calcium carbide : en fr
  • GB396221A - Improvements in or relating to containers for molten material : en
  • GB396731A - Improvements in or relating to interlocking devices for movable or rotatable memberssuch as valve stems : en
  • GB396204A - Improvements in or relating to the treatment of the surfaces of aluminium or aluminium alloy articles : en
  • DE581791C - Multi-phase power transmission system : de en
  • DE581930C - Ball deflection device in triangular shape for table billiards : de en
  • DE581894C - Process for the production of durable enzyme solutions : de en
  • DE581888C - Switch drive with a spring-loaded energy store that is preferably to be tensioned by a motor : de en
  • FR750108A - combination electrode for electric ovens, alternately made up of cooked and raw peripheral elements : en fr
  • DE581867C - Process for the production of ammonium sulphate nitrate : de en
  • GB396228A - Improvements in hospital or institution bedsteads : en
  • GB396744A - Improvements in methods of and apparatus for assisting chemical reaction between gases and liquids : en
  • FR750093A - component for heat exchangers, recuperators, air heaters and others, and devices or installations incorporating application : en fr
  • GB396781A - Improvements in machines for preparing and vending food products : en
  • US1920189A - Luggage latch : en
  • USD90412S - Design for a shoe : en
  • CH163044A - Self-reducing device for measuring distances or heights with a measuring stick at the target. : de en
  • AU950232A - Improvements in and relating tothe treatment of natural butter : en
  • CH162973A - Multi-part spool, especially for automatic looms. : de en
  • CH162994A - Process for the preparation of calcined trialkali phosphate. : de en
  • ES130900A1 - DEVICE FOR AMETRALLAR IN ALL KINDS OF AUTOMATIC, SHORT AND LONG SPRAY GUNS, OF ALL CALIBERS : en es
  • ES130969A1 - A process for manufacturing fuels in the form of gelatinous paste or the like. : en es
  • ES1775U - Improved hunting cartridge (Machine-translation by Google Translate, not legally binding) : en es
  • GB396216A - Improvements in means for measuring and dispensing substances such as sugar : en
  • CH163068A - Process for spot welding stainless steel sheets and an object welded according to this process. : de en
  • CH163150A - Heel with a device to identify pedestrians on traffic routes at night. : de en
  • CA334519A - Can : en fr
  • US1920344A - Production of fatty acids : en
  • US1920607A - Tie strap : en
  • US1920243A - Loading vehicle : en
  • ES130954A1 - An automatic circuit breaker in excess electrical current. : en es
  • US1920280A - Submarine propulsion : en
  • FR42531E - Folding box : en fr
  • GB396225A - Improvements in or relating to welded joints for tubular structures : en
  • FR750193A - Method and device for automatically synchronizing high power synchronized or synchronized asynchronous motors : en fr
  • DE581790C - Direct current-alternating current single armature converter for generating several alternating currents of different frequencies : de en
  • US1920576A - Combined amplifying and rectifying system : en
  • US1920893A - Powder compact : en
  • FR750117A - Process for the manufacture of porous agglomerates consisting of hydrosilicate decalcium : en fr
  • ES131146A1 - Improvements in the methods to perfect electrical conductors. : en es
  • ES1724U - Cardboard box with adhesive closing strips. (Machine-translation by Google Translate, not legally binding) : en es
  • FR749914A - Improvements in the manufacture of products based on cellulosic derivatives and resulting products : en fr
  • ES130942A1 - Mechanism for the use of energy. : en es
  • DE581740C - Metal composite frame for window and door leaves : de en
  • DE581635C - Device for cleaning hydrocarbon vapors with adsorbents : de en
  • ES131091A3 - An escalator with moving steps. : en es
  • ES130991A1 - A method of manufacturing by centrifugal casting of hollow bodies having the form of a solid of revolution and mechanization of the process. : en es
  • FR749974A - Process for the production of cellulose esters in the fibrous state : en fr
  • FR750177A - Solid perforated bricks and hollow bricks allowing the use of metal reinforcements : en fr
  • GB396426A - Improved device for automatically controlling humidifiers : en
  • US1920613A - Apparatus for moving material : en
  • ES131070A3 - Procedure for the manufacture of tubes. : en es
  • US1920190A - Apparatus for grading material : en
  • ES1793U - Device to avoid glare by the headlights of cars. (Machine-translation by Google Translate, not legally binding) : en es
  • GB396211A - Improvements in or relating to sliding windows : en
  • ES130863A3 - A wedge seat gate valve, constructed from forged brass parts. : en es
  • GB396344A - Improvements in or relating to cellulosic compositions : en
  • DE581601C - Device for printing multi-digit factors and the product of a multiplying calculating machine : de en
  • GB396186A - Manufacture of mixed polymerisation products : en
  • ES130309A1 - PERFECTED CLOSING SYSTEM FOR BOTTLES AND OTHER GLASS CONTAINERS : en es
  • FR750076A - Advanced tubular rivet : en fr
  • GB396236A - Improvements in or relating to photo-composing machines : en
  • DE581834C - Mirror wheel for the purposes of television, remote cinema or the like. : de en
  • DK47607C - Method of Making Cement Mixtures to be Used for Coatings or Coatings. : da en
  • ES131025A1 - Improvements in the guide arrangements for the belts of the stretching mechanisms with endless belts. : en es
  • DE581728C - Process for the alkylation of acid nitriles : de en
  • DE581939C - Compressed air tool : de en
  • DE581901C - A table that can be attached to bed frames, deckchairs or the like : de en
  • FR749932A - Closure or shutter for vases and containers : en fr
  • DE581803C - Scissors for cutting wide, stacked rolling stock : de en
  • CA334546A - U-bolt manufacture : en fr
  • CH162989A - Shoe. : de en
  • ES130542A1 - Improvements in transmissions. : en es
  • AU667332A - Improved apparatus for governing and correcting register and web-tension in previously printed or marked rolls of materials in web form, and particularly for the synchronous unwinding and insetting thereof in connection with rotary web printing, folding, cutting and assembling machines, or the like mechanisms : en
  • CA334499A - Chrome yellow colour : en fr
  • FR749934A - Improvements to telegraph and similar systems : en fr
  • CA334512A - Plier type stapling machine : en fr
  • CA334483A - Glass feeder : en fr
  • CH162949A - Canopy cornice. : en fr
  • CA334414A - Locomotor : en fr
  • CH163088A - Rotary piston machine in which the rotary piston works together with a slide that moves back and forth in the housing. : de en
  • US1920450A - Mining machine : en
  • CH163195A - Process for the preparation of a pigment dye. : de en
  • AU846632A - Improvements in apparatus for drying the hands by means of warm air : en
  • FR749995A - Syringe enhancements : en fr
  • US1920665A - Symmetrical loop receiver : en
  • CH163080A - Reinforcement for concrete pipes, cement mortar and the like. : en fr
  • CH163199A - Tobacco pipe. : de en
  • DE581668C - Air brake device for railway vehicles : de en
  • DE581722C - Lifting device for trough : de en
  • CH163027A - Weekly tear-off calendar. : de en
  • CA334469A - Aerial : en fr
  • CA334508A - Gas processing : en fr
  • ES130987A1 - NEW OVEN SYSTEM FOR LOW TEMPERATURE DISTILLATION OR FUEL COQUIFICATION WITH A ROTATING SUPPORT PLATFORM FOR THESE : en es
  • CA334586A - Electrical switching station : en fr
  • DE581855C - Device for dividing and removing pieces of doughy goods from an extrusion press : de en
  • SU31270A1 - Hook for threading utokina in a weaving shuttle : en ru
  • US1920809A - Method of producing box or container parts having alpha curved bottom : en
  • SU31131A1 - Agitator in kilns for burning pyrites : en ru
  • US1920768A - Apparatus for operating on spinning frames and other machines : en
  • US1920941A - Process for recovering gasoline and other hydrocarbon liquids from natural gas : en
  • US1920847A - Sharpening device for safety razor blades : en
  • US1920173A - Priceometer : en
  • US1920835A - Door operating mechanism : en
  • US1920885A - Checker chamber for regenerative furnaces and the like : en
  • CH163032A - Method for recording sound and photographic image recordings on a common carrier and for reproducing the recordings. : de en
  • CH163165A - Soft top for automobile. : en fr
  • US1920611A - Amplifying system : en
  • SU31242A1 - Hollow Brick Forming Press : en ru
  • US1920263A - Apparatus for measuring braking components : en
  • US1920587A - Antiricketic substance and the production thereof : en
  • US1920663A - Vehicle for collecting containers : en
  • USD90395S - Textile fabric or similar article : en
  • US1920217A - Rheostat : en
  • SU31153A1 - Hygrometer : en ru
  • SU31266A1 - Device for uniform supply of wash water to the drainage of high-speed filters : en ru
  • SU31332A1 - A device for the manufacture of rollers of leather mass for offset printing and lithographs : en ru
  • US1920853A - Heat flask : en
  • ES130869A1 - A perfection in the manufacture of drills. : en es
  • DE581699C - Blueprint machine : de en
  • US1920167A - Tire cover : en
  • US1920400A - Means for making registered prints : en
  • US1920695A - Trap gun : en
  • US1920216A - Automatic vehicle jack : en
  • GB396123A - A mechanical figure for demonstrating the swing of a golf or like club : en
  • GB396425A - Improvements in and relating to gas compressors : en
  • ES130898A1 - IMPROVEMENTS IN THE DEVICES FOR HOLDING A MIRROR ON THE HEAD OF A CYCLIST : en es
  • FR750025A - Preparation of artificial masses : en fr
  • GB396428A - A new or improved method of treating wool : en
  • SU31146A1 - Device for indicating the rate of water flow : en ru
  • US1920326A - Vertical oil bearing : en
  • US1920765A - Percussion tool : en
  • DE581726C - Rolling machine for rolling chain wheels u. like : de en
  • DE581741C - Method for operating induction furnaces with the melting channel surrounding the melting hearth : de en
  • DE581926C - Bulletproof checkout counter closure with through-holes : de en
  • US1920170A - Heel attachment device for shoes : en
  • US1920233A - Aluminum-copper piston alloy : en
  • US1920627A - Means and method of coating concrete silo blocks : en
  • US1920874A - Spraying nozzle : en
  • DE581679C - Backrest, especially for typewriter chairs : de en
  • FR42525E - Device for measuring the pressure inside a chamber : en fr
  • US1920820A - Refining of brass : en
  • GB396102A - A new or improved method of boring : en
  • GB396109A - A new or improved method of transmitting the drive and varying the gear ratios chiefly for use on motor vehicles : en
  • DE581970C - Device on flat weft knitting machines for automatic, pattern-controlled changing of the knitting depth : de en
  • CH162957A - Utensil holder. : en fr
  • GB396163A - Improvements in or relating to rakes and like implements : en
  • ES131027A1 - A mechanical procedure to treat a tape of razor blades. : en es
  • GB396366A - Improved device for supporting the arch or/and other parts of the foot : en
  • ES130932A1 - Improvements in wire binding machines. : en es
  • FR42509E - Device for controlling an electric current, in particular for regulating electric machines : en fr
  • GB396696A - Improvements in plate apparatus for exchanging heat between fluids : en
  • FR750184A - Improvements made and relating to photogelectric systems or devices : en fr
  • DE581944C - Circuit for the automatic commissioning of power generators that are driven by internal combustion engines : de en
  • ES131045A3 - Divider device for the roving card. : en es
  • US1920538A - Switching mechanism : en
  • US1920693A - Doorstop : en
  • USD90422S - Design fob a textile fabric ob : en
  • GB396288A - Improvements in or relating to advertising or displaying placards : en
  • GB396230A - Method of and apparatus for treating cigar bunches : en
  • US1920244A - Method of making cast products : en
  • US1920433A - Shoring device : en
  • FR42542E - Scaffolding process : en fr
  • FR42550E - Process and apparatus for the production of mixtures suitable for carburization or combustion, from oils which are not very clean or unsuitable for these uses : en fr
  • DE581708C - Needle bar section : de en
  • US1920699A - Metal die : en
  • ES130964A1 - A lock with bolts or bipartite springs. : en es
  • DE581648C - Process for the production of galleries and tunnels with moving delay : de en
  • ES1397U - Leaves, binding or not, for the fixation in them of the different parts that make up any graphic composition, as a puzzle (Machine-translation by Google Translate, not legally binding) : en es
  • GB396157A - Improved air cleaner and combined air cleaner and flame trap for internal combustion engines or other applications : en
  • FR42453E - Automatic gearbox for the distribution of round articles, preferably fishing weights : en fr
  • GB396142A - Improvements relating to air-porous paper and process of making the same : en
  • ES130925A3 - Powder-based fire extinguisher powered by compressed carbonic acid bottle. : en es
  • GB396238A - Improvements in or relating to lummous advertising apparatus : en
  • DE563157C - Device for washing and rinsing dishes and cutlery : de en