• SU31400A1 - Automatic jigger : en ru
  • SU31535A1 - Method of making catalyst for hydrogenation of fats : en ru
  • DE583137C - Modification of the multiple tariff meter or meter for the sale of electrical energy or work, of liquids or gases : de en
  • SU31553A1 - Bunker device : en ru
  • US1924260A - Cam testing device : en
  • DE583130C - Circuit arrangement for symmetrical current impulses in telephone systems with dialer operation : de en
  • GB397598A - Improved construction of egg stand : en
  • SU31635A1 - Automatic scales with non-tilting bucket suspended from the beam : en ru
  • USD90596S - Design for a lamp shade : en
  • DE583333C - Process for increasing the melting point of montan wax : de en
  • BE397337A - : en
  • SU31726A1 - Piston with plug-in tank in the bottom : en ru
  • US1924645A - Display rack and reel : en
  • USD90595S - Design for a lamp shade : en
  • DE583066C - Process for image decomposition or for image construction using Weiller's mirror wheel : de en
  • BE397183A - : en
  • FR751293A - Improvements to photographic printers : en fr
  • SU31477A1 - Superregenerative receiver : en ru
  • US1924177A - Automatic control valve : en
  • US1924236A - Balloon : en
  • DE583347C - Putty, especially for cementing the center electrode for spark plugs : de en
  • US1924292A - Ignition system : en
  • PL18575B1 - A device for moving various organs from a distance by pulling or pushing these organs. : en pl
  • US1924141A - Detachable heel lift : en
  • US1924762A - Preparation of carboxylic acids : en
  • PL18559B1 - Rat stompers. : en pl
  • US1924434A - Water-insoluble azo-dyestuffs : en
  • DE583389C - Control valve for form machines : de en
  • ES131526A1 - A procedure, with the corresponding device, to uninterrupte the railroad tracks of your ballast, clean it and lay the tracks on clean ballast. : en es
  • DE583127C - Damping device for rolling movements of railway vehicles with central buffer couplings : de en
  • FR42662E - Improvements in the manufacture or processing of artificial silk and other artificial products : en fr
  • FR751346A - Manufacture of metal carbamates : en fr
  • ES131437A1 - Improvements in the manufacture of shirts with neck strap and collar adaptable to them. : en es
  • GB397562A - Improvements in or relating to bed springs : en
  • DE583143C - Seating made of curved, resilient material : de en
  • FR751114A - Improvement to root cutters : en fr
  • GB397675A - Improvements in or relating to the automatic regulation of mixtures of gases : en
  • FR751238A - Advanced acoustic receiver for underwater signaling, listening and analog applications : en fr
  • SU31763A1 - Method of making photosensitive papers by means of diazocompounds : en ru
  • US1924699A - Heat insulated cooking vessel : en
  • US1924800A - Celluloid embossing process : en
  • US1924910A - Flexible pocket receptacle : en
  • FR751230A - Continuous bleaching process and apparatus for its implementation : en fr
  • DE583331C - Liquid switches, especially expansion switches : de en
  • SU31390A1 - Pneumatic flushing machine for jackhammers : en ru
  • PL18598B1 - A gas-filled electric bulb with a double-ended screw body twisted repeatedly. : en pl
  • US1925009A - Means for retaining alpha marcel wave in hair : en
  • GB397570A - Steel mining prop with collapsible head : en
  • GB397574A - Improvements in speed regulation of direct current motors : en
  • GB397607A - Improvements in instruments for use in tests for detecting faults in masses of magnetic material : en
  • US1924455A - Swinging conveyer mechanism : en
  • US1924927A - Dumping receptacle : en
  • CH163628A - Process for dewatering products. : de en
  • FR751300A - : fr
  • US1924157A - Illuminating device for sewing machines or the like : en
  • US1924178A - Method of obtaining pure carbon dioxide : en
  • US1925019A - Surface treating device : en
  • SU31402A1 - A device for cutting fabric on flooring machines : en ru
  • DE583380C - Process and device for pyrite melting : de en
  • CH163586A - Map measuring device. : de en
  • DE583261C - Device for separating the components of different specific gravity of a gaseous or liquid mixture : de en
  • DE583338C - Injection molding machine with compressed air drive : de en
  • AU922332A - An improved necktie fastener : en
  • FR751121A - Retractable landing gear for airplanes : en fr
  • DE583128C - Device for influencing railway safety devices : de en
  • DE583158C - Device for purging and loading an open combustion chamber for operating gas turbines : de en
  • FR751199A - Improvements in fuel and air supply control for internal combustion engines : en fr
  • CH163674A - Method for controlling metal vapor rectifiers. : de en
  • ES131520A3 - Improvements in the semi-hollow blocks in reinforced concrete, manufactured with a special portable machine. : en es
  • DE583103C - Ski binding with a resiliently displaceable heel holding parts : de en
  • DE583383C - Horizontally split smoke box support for locomotives : de en
  • ES131434A1 - A STEAM BOILER WITH ELECTRIC HEATER FOR ALTERNATING CURRENT HEATING : en es
  • FR751273A - Wood-fired central heating boiler with hot water : en fr
  • GB397847A - Improvements in the purification and decolourisation of phenols and neutral oils : en
  • DE583044C - Device to prevent the front waistband from sagging : de en
  • FR42693E - Powder compacts : en fr
  • GB397754A - Improvements in oscillating screens or sifters : en
  • US1924250A - Automatic drain valve : en
  • US1924541A - Reel : en
  • US1924584A - Press unit drive : en
  • US1924700A - Diaphragm for apparatus for picture telegraphy : en
  • PL18626B1 - Foot measuring device. : en pl
  • US1924280A - Chaplet : en
  • CA335242A - Radio signalling system : en fr
  • CH163773A - Process for the preparation of a vat dye. : de en
  • US1924980A - Solid fuel distilling apparatus : en
  • US1925022A - Combined take-up and safety lock : en
  • ES131450A3 - A new slotted drum cross winding machine system. : en es
  • FR751295A - Advanced coffee filter and its manufacturing process : en fr
  • CH163498A - Transportable and collapsible container. : en fr
  • CA335174A - Calipers : en fr
  • ES130933A1 - Improvements in the concentration of minerals. : en es
  • SU31738A1 - Pneumatic hammer for squeezing riveted sheets : en ru
  • BE397502A - Brushes and broom brushes improvements : en fr
  • CH163694A - Flexible esophageal probe for ruminants. : en fr
  • DE583328C - Directional antenna : de en
  • GB397892A - Improvements relating to blow-down apparatus for steam generators : en
  • ES131496A1 - Improvements in the hydraulic joints applicable especially to diving suits or diving devices. : en es
  • US1924364A - Electric machine : en
  • US1924529A - Receptacle : en
  • DE583057C - Surface condenser with rolled, curved and firmly supported tubes at both ends : de en
  • ES131344A1 - A balanced amplifier. : en es
  • FR751301A - Improvements to separators intended for use in electric accumulators : en fr
  • DE583254C - Chain conveyor for bulk goods : de en
  • US1924756A - Change speed mechanism : en
  • DE583250C - Attachment of spinning pots, centrifuge drums or similar high-speed machine parts : de en
  • FR751177A - Attachment for accumulator batteries : en fr
  • FR42659E - Improvements to electrical servo systems : en fr
  • SU31567A1 - Vaginal-spoon-shaped mirror : en ru
  • SU31746A1 - The method of protection against rust salted intestinal product : en ru
  • US1924479A - Score keeping device : en
  • GB397617A - Loud speakers : en
  • GB398162A - New mercapto compounds of the anthraquinone series : en
  • PL18577B1 - A method of food flour processing. : en pl
  • US1924393A - Pipe and nut wrench : en
  • DE583160C - Device for cutting up cast blanks used for the production of piston rings using a circular knife : de en
  • FR751409A - : fr
  • GB397666A - Improvements in or relating to methods of and apparatus for heat treating comminuted material : en
  • FR751325A - Winder for the manufacture of water-based metal wire : en fr
  • FR751359A - Engine mounting system on motor vehicles and devices including application : en fr
  • FR42680E - Multi Speed Tube Bending Press : en fr
  • GB397723A - An improved arrangement of the lay-out and equipment of public premises : en
  • FR751208A - Advanced bells and whistles activated by the front cycle wheel : en fr
  • FR751344A - Improvements to speed-indicating devices : en fr
  • AU856132A - Improvements relating tothe centrifugal moulding of concrete bodies : en
  • GB397800A - Furs and the production thereof : en
  • AU1088133A - Advertising device : en
  • US1924759A - Process of pressing and packing tobacco : en
  • US1924973A - Spring cushion : en
  • US1924329A - Folding chair : en
  • CH163688A - Tubular electric lamp. : de en
  • CH163626A - Set up on striking tools. : de en
  • ES130599A1 - A chemical-thermal process for the production of an anti-knock fuel for gasoline engines. : en es
  • GB397880A - Methods of and means for converting a range of electrical frequencies into a second range of electrical frequencies : en
  • US1924279A - Boiler drum : en
  • US1924661A - Telephone system : en
  • CA335239A - Draft gear : en fr
  • CA335273A - Liquid treating apparatus : en fr
  • AU1018732A - Improvements in or relating to sports boots and shoes : en
  • BE397893A - Device for controlling electric discharge devices by means of a single direct current source : en fr
  • SU31673A1 - Fluid sampling device : en ru
  • US1925055A - Chain : en
  • DE583266C - Circuit arrangement for telephone systems with dialer operation, in which dialers initially set to a certain traffic direction are redirected to other traffic directions by the following series of number streams : de en
  • ES131499A1 - A heating procedure using generators and distributors of the type of automobile radiators. : en es
  • FR751180A - Improvements to trolleys for electric traction vehicles : en fr
  • SU31710A1 - Device for manually adjusting the timing of the opening of the fuel valve of internal combustion engines : en ru
  • US1924908A - Sheet feeding mechanism : en
  • US1925016A - Packer for oil wells : en
  • CH163762A - Process for the production of ferrophosphorus. : de en
  • DK47681C - Automatically operating firearms, in particular machine guns, with charging handles fixed during firing. : da en
  • FR751101A - Therapeutic device : en fr
  • US1924497A - Discharge tube display : en
  • AU1069332A - Adjustable spoke : en
  • US1924734A - Method of making tubular materials : en
  • ES131340A1 - A process for obtaining chemically pure alpha cellulose from fibrous materials. : en es
  • FR42653E - Process for preparing higher alcohols from ethyl alcohol : en fr
  • FR751336A - Rangefinder improvements : en fr
  • FR751452A - : fr
  • GB397638A - Improvements in esterification of cellulose : en
  • CH163763A - Process for the preparation of normal primary octadecyl alcohol. : de en
  • DE583256C - Lockable slide for zippers : de en
  • US1925010A - Molding machine : en
  • ES130815A3 - A mechanical procedure for packaging tire covers. : en es
  • CH163644A - Steam system. : de en
  • SU31447A1 - Device to use the heat of the blanks to be cooled : en ru
  • SU31580A1 - Device for transporting the sick and wounded : en ru
  • SU31845A1 - Non-corrosive bearing alloy : en ru
  • US1924570A - Metal floor grating : en
  • CH163556A - Process for the production of benzoylated casein. : de en
  • ES129822A3 - Procedure to insulate round and profiled wires, as well as metal rims or plates. : en es
  • FR751202A - Braided straps : en fr
  • DE583053C - Manufacture of a molded activated carbon : de en
  • US1924457A - Briquette and binder for the same : en
  • FR751264A - Folding chair : en fr
  • DE583369C - Drive for ships with shallow drafts : de en
  • DE583394C - Bearings for the roll necks of highly stressed rolling mills : de en
  • DE583318C - Edge filter for liquids : de en
  • GB397821A - Improvements in or relating to absorption refrigerating apparatus : en
  • US1924411A - Window ventilator : en
  • SU31672A1 - Device for automatic sampling of grain : en ru
  • US1924332A - Control system for motor-generator locomotives : en
  • US1925015A - Formation packer : en
  • PL18708B1 - A method of centrifuging crystals or masses that fill crystals from the mother liquor. : en pl
  • SU31847A1 - Bolt cutter : en ru
  • US1924225A - Refrigerator of brine-circulation system : en
  • US1924733A - Blow-off deheater for boilers : en
  • CH163574A - Apparatus for embossing films. : en fr
  • CH163782A - Process for the preparation of a neutrally soluble metal complex salt. : de en
  • DE583243C - Process for the preparation of oxyamino acids and their compounds : de en
  • PL18584B1 - Elastic belt for men's trousers. : en pl
  • AU883232A - Improvements inthe construction of refrigerators, ice-chests andthe like : en
  • CH163687A - Festoon socket. : de en
  • GB397714A - Improvements in or relating to the manufacture of jellies, jams and similar food products : en
  • GB397630A - Improvements relating to filling stations : en
  • SU31539A1 - Mine furnace for co-combustion of large lump and fine bulk fuel : en ru
  • US1924445A - F pig e : en
  • US1924487A - Abrasive applying machine : en
  • USD90593S - Design fob a headlight : en
  • SU31683A1 - Tachometer : en ru
  • US1924333A - Roll mounting : en
  • US1924786A - Crystallized peroxide from tetrahydronaphthalene : en
  • US1924119A - Typewriting machine : en
  • US1924638A - Intermediate pouring unit : en
  • US1924717A - Gasket cutter : en
  • PL18655B1 - Valve for internal combustion engines. : en pl
  • SU31819A1 - Hopper Emptying Device : en ru
  • US1924566A - Vulcanization accelerator : en
  • US1924939A - Curling iron : en
  • US1925026A - Water tube locomotive boiler : en
  • CH163593A - Method and device for determining the fineness modulus of loose heaps by mechanical means. : de en
  • DE583325C - Device for adjusting the forme cylinder of rotary printing machines in the circumferential direction : de en
  • CH163536A - Process for the production of a new textile auxiliary. : de en
  • DE583419C - Pipe connection for hollow impression spoons : de en
  • PL18592B1 - A measure to prevent the spread of vermin along pipes of central heating appliances. : en pl
  • DE570720C - Device for opening and closing bulkheads : de en
  • DE583263C - Drive and control device for heat exchange devices that work using mechanically crushed carbonic acid ice as a coolant : de en
  • FR751272A - Fast, semi-automatic coin changer : en fr
  • FR751392A - Improvement in the regulation of closed circuit refrigeration installations : en fr
  • AU926632A - Improvements in or relating to television systems : en
  • CA335291A - Combinational punch : en fr
  • CH163535A - Process for the preparation of methylamino-6-methyl-2-hepten-2. : de en
  • DE583100C - Gymnastics bar with sleeves pushed onto the fixed bar : de en
  • PL18712B1 - System for telegraph broadcasting with the use of tube generators. : en pl
  • SU31824A1 - Device for cleaning the grate from waste from waste liquid : en ru
  • US1924601A - Composite structure : en
  • DE583156C - Crank pin lubrication and cooling for piston engines : de en
  • US1924996A - Tailless airplane : en
  • BE397875A - : en
  • CA335204A - Corpse treatment before burial : en fr
  • SU31633A1 - Automatic scales for fluid bodies : en ru
  • US1924889A - Time controlled mechanism : en
  • US1925060A - Fuse : en
  • US1924615A - Process for the manufacture of esters : en
  • DK47700C - Arrangement of collapsible cartons for packing eggs or other easily harmful objects of a similar shape. : da en
  • US1924938A - Burner construction : en
  • DE583102C - Anti-skid device for skis : de en
  • CH163785A - Glass plate for the representation of luminous characters. : de en
  • ES131431A1 - A spark plug for railway cars. : en es
  • GB397749A - Improvements in or relating to swivels : en
  • CH163632A - Pyrophoric lighter. : de en
  • CH163635A - Metal wood screw with a conical head. : de en
  • FR751145A - Waterproof bracelet-box : en fr
  • SU31718A1 - Reactive internal combustion turbine : en ru
  • SU31765A1 - A method of making fluorescent screens for Brownian tubes and the like. : en ru
  • US1924611A - Brake operating mechanism : en
  • US1924873A - Machine for making packing material : en
  • US1924964A - Wrapping machine : en
  • US1925049A - Apparatus for forming emulsions : en
  • ES131392A1 - A procedure to impregnate the insulating materials of the appliances intended for electrical uses. : en es
  • DE583189C - Machine with double needle with middle ear for the production of a hand-sewn seam : de en
  • CH163488A - When the room temperature rises, the hold-open device for doors etc. : de en
  • CH163492A - Metal cloth. : de en
  • DE583344C - Insect repellants : de en
  • ES131394A1 - A procedure for making candies. : en es
  • GB397591A - Improvements relating to lifebelts or the like : en
  • FR42686E - Process for working the side faces of rough blocks with a view to manufacturing weaving shuttles and for straightening shuttles already used and worn : en fr
  • FR751379A - Push-in fitting for discharge pipes : en fr
  • GB397785A - Improvements in braun tubes : en
  • GB397855A - Improved apparatus for lubricating axles, rollers, pins or the like : en
  • US1924304A - Fuel burner system : en
  • US1924721A - Watercourse, pool, and like construction and method of landscaping and preparing same : en
  • SU31804A1 - The device for people's entertainment and sports : en ru
  • CH163499A - Lid with cooling device, for kitchen utensils. : en fr
  • AU987132A - Improved wringer-mop : en
  • CA335161A - Ice container : en fr
  • CA335180A - Bedstead : en fr
  • CH163724A - Multi-sound signaling device, in particular for vehicles. : de en
  • DE583287C - Process for the production of drive chain links of U-shape, which can be exchanged by mutual lateral displacement : de en
  • CH163650A - Nozzle. : en fr
  • FR751226A - Soft protector for sponges and metal pads : en fr
  • GB397755A - Improvements in or relating to steam power installations : en
  • GB397799A - Improved means for warming the rider of a motor cycle or other motor vehicle : en
  • SU31686A1 - Device for determining acceleration, speed and distance traveled by a moving body : en ru
  • US1924917A - Glass barrel for hydrometers : en
  • US1924189A - Lubricating device for antifriction spindle bearing : en
  • US1924327A - Elevator control system : en
  • CA335300A - Frequency regulating system : en fr
  • US1924129A - Separation of iron and chromium chlorides : en
  • DE583190C - Machine for cutting a continuously guided tube made of paper : de en
  • AU1023232A - Improvements in or relating to valves : en
  • CH163696A - Process for the preparation of C- (-1.2-cyclohexenyl) -C-methyl-N-methylbarbituric acid. : de en
  • GB397744A - A process for working fusion and reduction furnaces : en
  • GB397788A - Improvements in or relating to identification marks for laundries and similar undertakings : en
  • AU926732A - Improvements inthe treatment of acid sludge : en
  • CH163575A - Device for processing photographic films in a container filled with processing liquid. : de en
  • CH163683A - Stopcock with locking device. : de en
  • CA335240A - Sulphur ore furnace : en fr
  • ES131402A1 - A centrifugal separator. : en es
  • US1924583A - Quick change splicing device : en
  • CA335283A - Road guard : en fr
  • CH163714A - Telephone system with dialer operation and several exchanges. : de en
  • GB397835A - Improvements in or relating to devices for enabling heavy fuels to be used in petrolengines : en
  • CH163569A - Film indexing device for cinema apparatus, in particular for cinema playback apparatus. : de en
  • DE583178C - Game stone for board games consisting of two rigidly connected stones : de en
  • DE583392C - Method and device to keep the magnitude of the deflection of a weakly damped mechanical oscillation system working close to resonance constant over a wide frequency range : de en
  • ES1880U - New metal bed for somiers (Machine-translation by Google Translate, not legally binding) : en es
  • FR42666E - Pencil sharpeners : en fr
  • GB397657A - Improvements in handles for shovels or scoops : en
  • PL18724B1 - A device for folding, unfolding and stiffening skis when unfolded. : en pl
  • SU31569A1 - Psychotechnical Testing Apparatus : en ru
  • SU31787A1 - Device for pulling sunken foot from the bottom of rivers or lakes : en ru
  • SU31827A1 - A set of needles for drums and combs combs : en ru
  • US1924175A - Locomotive structure : en
  • FR751104A - Protective device for corsets and belts : en fr
  • FR751193A - Process for supplying gas turbines and means for implementing this process : en fr
  • GB397748A - Improvements in railway and other refrigerator vehicles : en
  • GB397704A - Improvements in or relating to cinematography in relief : en
  • US1924480A - House for brooding : en
  • US1925072A - Internal combustion engine : en
  • SU31419A1 - The method of obtaining sodium bromide : en ru
  • SU31627A1 - Gravitational variometer : en ru
  • CA335198A - Advertising device : en fr
  • US1924483A - Method of and means for separating cellulose or the like from treating liquid : en
  • US1924737A - Resoling stitching machine : en
  • DE583050C - Water supply line for atomizing nozzles of the sulfuric acid chambers : de en
  • DE583161C - Accordion : de en
  • DE583288C - Triangle bag with side pocket : de en
  • ES131409A1 - An electrolysis process, through its special bath, for obtaining electrolytic chromium coatings. : en es
  • ES131421A1 - A piston suitable for melting in shell and for use in internal combustion engines. : en es
  • US1925075A - Electrode elements of vacuum tubes : en
  • PL18583B1 - Method of obtaining the remedy against anemia : en pl
  • US1924102A - Vending machine : en
  • US1924712A - Hose coupling : en
  • US1924726A - Aluminum alloy : en
  • DE583168C - Auxiliary braking device intended primarily for motor vehicles : de en
  • US1924427A - Paper umbrella : en
  • US1924621A - Cavitation free fluid joint : en
  • US1924975A - Engine tester : en
  • US1924117A - Storage and display cabinet : en
  • SU31715A1 - Parosilov installation : en ru
  • US1924918A - Superheater for high pressure boilers : en
  • CH163476A - Ventilation device attached to windows or doors. : de en
  • DE583225C - Underfeed firing with delivery pistons and auxiliary pushers : de en
  • GB398195A - Improvements in apparatus for manufacturing moulded articles : en
  • SE78202C1 - Device for overconsumption meters driven by impulses : en sv
  • SU31764A1 - The method of copying drawings and drawings : en ru
  • US1924180A - Solid fuel : en
  • US1924552A - Mining machine : en
  • US1924901A - Color cinematographic apparatus : en
  • CA335301A - Radio receiving system : en fr
  • SU31575A1 - Dental drill : en ru
  • US1924220A - Method of making lamp door rims : en
  • CA335246A - Scale : en fr
  • CH163691A - Model plaster for dental purposes. : de en
  • ES1761U - Container or special container for pharmaceutical products, particularly for castor oil. (Machine-translation by Google Translate, not legally binding) : en es
  • FR751312A - New economical process for the production of alkaline detergents : en fr
  • GB397820A - Improvements in and relating to apparatus for drawing glass sheets : en
  • US1924902A - Electrical device : en
  • US1924256A - Self-feeding pencil : en
  • US1924212A - Tufting button : en
  • US1924485A - Radioreceiver : en
  • US1924774A - Production of dyestuffs and intermediates : en
  • US1924776A - Rotatable switch : en
  • US1924969A - Device for testing the viscosity of liquids : en
  • ES131364A1 - A machine for polishing and sharpening wood and bars of the same material, in the cross sections that you want. : en es
  • ES1867U - Bath for the eyes. (Machine-translation by Google Translate, not legally binding) : en es
  • CH163645A - Double-acting two-stroke internal combustion engine. : de en
  • CA335294A - Tabulator : en fr
  • SU31723A1 - Pressure reducing valve : en ru
  • USD90598S - Design for a lamp shade : en
  • PL18707B1 - A method for producing caps and an apparatus for carrying out the method. : en pl
  • SU31481A1 - Rollers for rubber compacting electrical wires : en ru
  • US1924124A - Pump : en
  • AU1060132A - Improvements in railway axle journal lubricators : en
  • SU31849A1 - A device for moving sheets through liquid baths, furnaces, etc. : en ru
  • US1924861A - Treatment of liquids : en
  • DE583341C - Safety device for jib cranes : de en
  • GB397661A - Improvements relating to shielding the ignition systems of internal combustion engines : en
  • GB397822A - High-frequency coupling system : en
  • SU31851A1 - Adaptation to a milling machine for the manufacture of rotating tools such as cutters and the like, having cutting edges of the left and right turn : en ru
  • SU31444A1 - Cutter for descaling boiling tubes of water tube boilers : en ru
  • SU31466A1 - Tool for removing rails from rails : en ru
  • SU31692A1 - Fitting to a plow for digging up seedlings : en ru
  • US1924153A - Stainless steel : en
  • US1924410A - Method and means for forming separable plated coatings on metal surfaces : en
  • US1924504A - Motor mounting : en
  • DE583413C - Rectifier vessel, in particular large-scale mercury vapor rectifier with metal housing : de en
  • ES130721A1 - An oven for baking bread with mixed heating and translational movement of the hearth. : en es
  • ES131471A1 - Improvements in the dyeing and printing processes of textile materials. : en es
  • SU31788A1 - Rowing propulsion for ships : en ru
  • US1924757A - Amusement apparatus : en
  • DE583131C - Voting indicator for wireless apparatus : de en
  • ES131354A1 - Procedure for obtaining protective means against the moth. : en es
  • ES1639U - Roller plugs for metal boats. (Machine-translation by Google Translate, not legally binding) : en es
  • CA335279A - Journal box packing renovating method : en fr
  • GB397766A - Improvements in or relating to means for starting high compression internal combustion engines : en
  • SU31524A1 - Method for preparing indophenol copper complex compound from phenyl-1-naphthylamine-8-sulfo-acid and para-aminophenol : en ru
  • SU31662A1 - Device for transmitting movement of the drum indicator : en ru
  • US1924420A - Pen : en
  • SU31538A1 - Firebox for coal burning furnace : en ru
  • US1925052A - Method and means for producing motor armatures : en
  • USD90600S - Design fob a lamp shade : en
  • AU886232A - Improvements relating to wheels : en
  • CA335276A - High tension condenser : en fr
  • CH163603A - Winding mechanism for watch parts with waterproof case. : en fr
  • SU31533A1 - The method of preparation of solid spirits : en ru
  • US1924147A - Brush : en
  • US1924195A - Dispensing device for collapsible tubes : en
  • SU31782A1 - Davis single wire floater : en ru
  • SU31833A1 - Device for driving a series of dynamos with several winds : en ru
  • US1924796A - Production of waves by cathode ray tubes : en
  • US1924925A - Furnace control means : en
  • US1924976A - Centrifugal casting machine : en
  • US1924991A - Culinary machine : en
  • DE583051C - Equipment for the transport of nitric acid on the Glover : de en
  • PL18636B1 - a camera lens for capturing or projecting photographic images, especially cinematographic images. : en pl
  • SU31397A1 - Sheet Metal Coil Matrix : en ru
  • SU31793A1 - Raspeder for puncturing : en ru
  • US1924533A - Automobile parking meter with thief alarm : en
  • DE583379C - Device for brushing sheet metal, in particular thin sheet metal : de en
  • DE583281C - Fishing box : de en
  • ES131351A1 - A new procedure for obtaining a special felt based on the use of vegetable fibers subjecting them to an adequate compression with or without binder material, applicable to the manufacture of plants and insoles for footwear and in a way : en es
  • GB397561A - Improvements in or relating to absorption refrigerating apparatus : en
  • GB397620A - Improvements in or relating to transmission and receiving arrangements for ultra-short waves : en
  • GB397780A - Improvements in coffee and like making machines : en
  • SU31809A1 - The method of packing caustic soda in a cylindrical drum : en ru
  • GB397868A - Improvements in or relating to the lubrication of journal bearings or the like : en
  • IE12879L - Recovery of alcohol from bakers' ovens : en
  • US1924850A - Boiler : en
  • US1925074A - Vibration damper for explosion motors : en
  • SU31583A1 - Clamp for elastic tubes : en ru
  • US1924556A - Noninterference apparatus : en
  • US1924659A - Meter and switch mounting support : en
  • US1924837A - Electrician's tool : en
  • US1925035A - Tube drawing machine : en
  • CH163537A - Process for preventing or reducing the decomposition of and the evolution of acid in chlorinated hydrocarbons. : de en
  • DE583286C - OE divider for lubrication systems with temporary pressure oil supply : de en
  • FR751217A - Further training in motor vehicles : en fr
  • US1924285A - Mining machine : en
  • CH163474A - Central heating system. : de en
  • CA335192A - Stove pipe fastener : en fr
  • CH163543A - Process for the preparation of an azo dye. : de en
  • CH163562A - Process for the production of fiber boards for the construction, furniture, packaging, etc. : de en
  • DE583129C - Arrangement for monitoring the operating status of the through lines of a telephone intermediate amplifier office : de en
  • DE583213C - Track system with automatic or semi-automatic distribution of the wagons : de en
  • FR751179A - Escalator : en fr
  • GB397773A - Benzyl cellulose compositions : en
  • US1924403A - Valve mechanism for gas engines : en
  • US1924683A - Arm propelled swing : en
  • SU31382A1 - A device for making flour products : en ru
  • GB397595A - An improved device for regulating the clearance of valve tappets in internal combustion engines : en
  • FR751337A - Braces improvement : en fr
  • SU31509A1 - Device to remove the curves of changes in electrical processes : en ru
  • SU31515A1 - Mercury rectifier : en ru
  • DE583082C - Exchangeable step plate for massive stairs : de en
  • ES131425A3 - A procedure for the manufacture of chalk. : en es
  • FR751394A - Lightweight accumulator : en fr
  • US1924765A - Preparation of carboxylic acids from olefinic hydrocarbons, carbon monoxide, and steam : en
  • GB397826A - Improvements in or relating to reinforcing tabs for labels, perforated sheets or thelike : en
  • FR751163A - Device for preventing interference of electric motors with radio broadcasting equipment : en fr
  • GB397632A - Improvements in or relating to spectacle and like frames : en
  • GB397683A - An improved liquid fuel burner : en
  • DE583339C - Injection molding machine with movable bucket : de en
  • GB397590A - Improvements in or relating to differential thermostats : en
  • GB397884A - Process for the production of coloured photographic pictures : en
  • GB398160A - Improvements in or relating to apparatus for low temperature carbonisation : en
  • FR751189A - Improvements in building construction : en fr
  • US1924849A - Adsorption system : en
  • SU31562A1 - Machine for separating delint from cotton seeds : en ru
  • US1924602A - Method and apparatus for distillation of hydrocarbons : en
  • US1924722A - Method and means for removing carbon deposits : en
  • BE397912A - : en
  • SU31646A1 - Talk schA car : en ru
  • SU31702A1 - Internal combustion engine operating on solid pulverized fuel (eg, peat) : en ru
  • CH163588A - Device to be exposed to the action of mechanical forces, in particular for measuring cutting forces in cutting machine tools. : de en
  • SU31596A1 - Circuit breaker for electrified screw jacks with a shoe : en ru
  • SU31606A1 - Grinding machine : en ru
  • CH163730A - Wreath holder for wreath transport baskets. : de en
  • DE583125C - Cast, refractory structure for Siemens-Martin and other industrial furnaces : de en
  • ES131469A1 - Improvements in obtaining ice colors. : en es
  • DE583294C - Driving and motorcycle lighting : de en
  • BE397436A - Selective herbicides : en fr
  • SU31808A1 - Stone Cutting Machine : en ru
  • US1924227A - Artificial rubber : en
  • US1924742A - Clamping device : en
  • GB397579A - Improvements in or relating to house shoes or slippers : en
  • US1924146A - Can feeding mechanism : en
  • US1924287A - Phonograph : en
  • US1924804A - Process for making stainless steel : en
  • CH163532A - Process for the production of a durable granular calcium cyanamide. : de en
  • CH163581A - Rope gripping and climbing apparatus, especially for mountain sports. : de en
  • CH163585A - Device for measuring small changes in shape. : de en
  • CA335193A - Worm screw press : en fr
  • SU31816A1 - Tool for dropping logs, etc. items from their transporting devices : en ru
  • SU31842A1 - Adaptation at the sawmill for lateral movement of the upper end of the log from the butt carriage : en ru
  • AU970032A - Improvements in transformers having variable high tension output andthe control means therefor : en
  • CA335286A - Hydrocarbon processing : en fr
  • CH163601A - Device making it possible to maintain a shaft longitudinally in at least one position relative to a bearing in which it rotates. : en fr
  • CH163746A - Vehicle wheel. : de en
  • US1924628A - Method of and apparatus for receiving high frequency oscillations : en
  • US1924385A - Wheel : en
  • SU31405A1 - Coke oven : en ru
  • US1924257A - Cloth forming mechanism : en
  • US1924486A - Filtering electric currents : en
  • DE583283C - Shoe made of elastic material : de en
  • USD90594S - Design fob a lamp : en
  • CA335203A - Refrigerating mechanism : en fr
  • CH163738A - Folding roof for motor vehicles. : de en
  • SU31740A1 - Device for clamping and turning welded I-beams and similar products : en ru
  • US1924790A - Driving means for warp stop motions : en
  • CA335212A - Package bottom sealing device : en fr
  • CH163522A - Remedy for the heel slipping in footwear. : de en
  • SU31396A1 - A device for trapping carbon dioxide from a fermenting beer wort : en ru
  • USD90608S - Combined casserole and base therefor : en
  • FR751142A - Vehicle brake enhancements : en fr
  • GB398176A - Improvements in or relating to self-adjusting shutters in air flow conduits : en
  • US1924892A - Cleaning gelatinous surfaces and the like : en
  • AU1024632A - Improvements in suction gas producers for use particularly with internal combustion engines : en
  • US1924390A - Aviation instruction apparatus : en
  • US1924715A - Tufting machine : en
  • CH163752A - Pedal crank for bicycle. : en fr
  • CH163780A - Ironless induction furnace. : de en
  • GB397544A - Improvements relating to safety razors : en
  • GB397743A - Packing ring for pipe joints : en
  • GB397857A - Improvements in or relating to devices for storing liquids and feeding them at a constant level : en
  • DE583089C - Wheel with braking device for aircraft : de en
  • CA335270A - Cash register : en fr
  • CH163761A - Process for the production of ferrophosphorus. : de en
  • PL18633B1 - A method of producing pipes with bold ends inside, and a device for this purpose. : en pl
  • DE583317C - Double filter plate for filter presses : de en
  • GB397643A - Improved packing particularly for couplings for pipes and the like : en
  • GB397836A - Improvements in or relating to electron emitting cathodes and methods of manufacturing the same : en
  • CH163596A - Pocket calculator for adding and subtracting. : de en
  • CH163654A - Electric motor with triple T armature, in particular windshield wiper motor for vehicles. : de en
  • CH163679A - Electromagnetic transmission. : de en
  • GB397863A - Improvements in apparatus for playing games : en
  • SU31820A1 - Single track crawler bridge conveyor : en ru
  • US1924667A - Slicing machine : en
  • CH163595A - Power converter. : de en
  • CH163686A - Liquid fuel burners. : de en
  • CA335182A - Windshield cleaner : en fr
  • CH163649A - Adjustable air filter on internal combustion engines. : de en
  • AU928632A - Improved peg for clothes andthe like : en
  • CA335289A - Boiler feed water heating apparatus : en fr
  • CH163710A - Timepieces, especially for determining the duration of long distance calls. : de en
  • ES131268A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • GB397571A - Improvements in electrical wave filters : en
  • AU1390933A - Improvements in machines for washing, drycleaning or dyeing garments andthe. like : en
  • CA335181A - Valve : en fr
  • CH163531A - Outflow electrode for electrostatic precipitators made up of hanging chains and wire. : de en
  • FR751167A - Device for rescuing people from sunken ships : en fr
  • PL18706B1 - Nozzle for spraying liquids. : en pl
  • PL18546B1 - The method of producing rods and pipes from glass or other hot melt material. : en pl
  • PL18549B1 - A method of making shaving soap. : en pl
  • US1924769A - Process for the production of carboxylic acids : en
  • PL18725B1 - Drainer for bubbles, bottles and similar vessels. : en pl
  • SU31640A1 - Scales for determining staple length cotton : en ru
  • SU31756A1 - Mass concentration regulator : en ru
  • US1924226A - Method of and machine for preparing shoe stiffeners : en
  • US1924348A - Tonsillectome : en
  • SU31689A1 - Interrupter to chronograph with airwave controlled electrical contact : en ru
  • SU31707A1 - Internal combustion engine with two opposing pistons : en ru
  • US1924749A - Supporting means for artificial silk : en
  • US1925053A - Implement handle : en
  • SU31545A1 - A device for removing ash and slag from a firebox : en ru
  • US1924278A - Cash register : en
  • US1924944A - Photographic film strip developing device : en
  • CH163704A - Double comb for creating hair tonic waves. : de en
  • US1924524A - Process of treating tung oil : en
  • US1924589A - Brake : en
  • SU31774A1 - Centrifugal mercury pump : en ru
  • US1924482A - Battery terminal clamp : en
  • USD90569S - Design for a toy duck : en
  • PL18587B1 - Armchair on wheels. : en pl
  • US1924405A - Generating odontograph : en
  • US1924264A - Match making machine : en
  • FR751126A - Prepaid radio receiver device, for connection to the network : en fr
  • GB397628A - Improvements in roof supports for pit roadways, galleries and the like : en
  • CH163544A - Process for the preparation of a fat-soluble azo dye. : de en
  • CH163697A - Process for the preparation of the bismuth salt of an arsenic compound. : de en
  • PL18671B1 - Alarm device, shock-sensitive. : en pl
  • US1924895A - Heat exchange system control : en
  • DE583042C - Process for increasing the durability of iron railway sleepers by applying a tar overcoat in continuous operations : de en
  • DE583301C - Process for the manufacture of porous earthenware : de en
  • US1924255A - Machine for tentering and drying fabrics : en
  • US1924289A - Hat and hat-making art : en
  • AU1035632A - An improved brick and method of reinforcing structures built therewith : en
  • SU31727A1 - Cork stoppers : en ru
  • CA335168A - Reverse current relay : en fr
  • US1924766A - Process for the production of carboxylic acids : en
  • PL18545B1 - Hydrogen production method. : en pl
  • US1924932A - Superheater : en
  • US1924972A - Stabilized egg product : en
  • US1924746A - Theft prevention device : en
  • PL18667B1 - A clamp for connecting electric wires and a profile strip for embedding a number of such terminals. : en pl
  • CA335313A - Pulpwood rosser : en fr
  • US1924223A - Table : en
  • SU31667A1 - Goniometer : en ru
  • SU31814A1 - A device for unloading wood with a barge : en ru
  • CH163769A - Process for the preparation of a wetting agent, washing agent, emulsifying agent and dispersing agent. : de en
  • FR751335A - Drain device for bathtubs, sinks, etc. : en fr
  • FR751393A - Self-propelled device for the mechanical operation of presses : en fr
  • CH163638A - Automatic coupling for fluid lines placed on railway vehicles. : en fr
  • SU31607A1 - Grinding machine : en ru
  • ES131515A1 - A procedure to cover the pores of natural cork articles. : en es
  • FR751258A - Process for the preparation of azo dyes : en fr
  • US1924688A - Gyroscopic compass : en
  • US1924449A - Voting machine : en
  • SU31642A1 - Sound Effect Device : en ru
  • SU31713A1 - Pusher for the plunger of the fuel pump of internal combustion engines : en ru
  • US1924367A - Elevator system : en
  • US1924096A - Filing rack : en
  • US1924282A - Spindle mounting for insulating machines : en
  • US1924597A - Glass surfacing tool : en
  • US1924977A - Reel for motion picture machines : en
  • SU31736A1 - Safety device to the scraper for grinding metal : en ru
  • US1924696A - Manufacture of dyes containing chromium and the resulting product : en
  • FR751342A - Heating surface arrangement for steam generators : en fr
  • GB397784A - Improvements in or relating to the packaging of rolled articles : en
  • CH163677A - Vacuum discharge device with liquid-cooled, metal vacuum vessel. : de en
  • GB397853A - Improvements in or relating to thermally operated fluid valves : en
  • GB397541A - Improvements in variable resistances for use in bridges for measuring electrical capacity : en
  • GB397605A - Improvements relating to taps or cocks : en
  • GB397816A - Improved fishing reels : en
  • GB397804A - Improvements in or relating to sheet registering devices in printing machines : en
  • CH163658A - Oil pan suspension insulator. : en fr
  • US1924442A - Dyestuff of the anthraquinone series : en
  • FR751151A - A scale for bagging and weighing equipped with an automatic locking device for the arrival of goods when the desired weight is reached : en fr
  • US1924277A - Television system : en
  • CH163627A - Multipurpose tool. : en fr
  • US1924794A - Counting machine : en
  • PL18629B1 - A shading screen for displaying images or other purposes, and a method of producing the screen. : en pl
  • CH163646A - Internal combustion engine, two-stroke, with connecting rod and crank and with air supply pump. : en fr
  • US1924466A - Pumping mechanism : en
  • US1924446A - Halogenated anthraquinone acridone and the process of preparing it : en
  • US1924130A - Automobile parking tower : en
  • US1924263A - Straight flow volume control register : en
  • US1924542A - Shoe and method of making same : en
  • US1924859A - Apparatus for treating hydrocarbons : en
  • SU31542A1 - Steam nozzle : en ru
  • SU31649A1 - Device for the destruction of interfering sound film projector sound : en ru
  • US1924266A - Process for interrupting connections in vacuum valves : en
  • US1925056A - Equipment for dispensing lubricating oil and other liquids : en
  • AU1082433A - Improved method of poisoning growths or bores in or on wooden piles, poles or the like : en
  • CH163621A - Winding mandrels for machines for manufacturing boxes, in particular outer box parts of sliding boxes. : de en
  • CH163723A - Horn, in particular for vehicles. : de en
  • CA335271A - Refrigerator car mechanism : en fr
  • CH163671A - X-ray system with a capacitor serving as a power source for the X-ray tube. : de en
  • SU31479A1 - Antenna Power Method : en ru
  • US1924321A - Braking system : en
  • SU31668A1 - Apparatus for fractional burning of a mixture over copper oxide : en ru
  • US1924517A - Harrow : en
  • CH163549A - Process for the production of a stable reduction product. : de en
  • DE583171C - Vessel closure with built-in germ filter : de en
  • DE583334C - Plant for obtaining a mixed gas from distillation gas and water gas : de en
  • ES130654A1 - Improvements in elevators for applications of all kinds. : en es
  • GB397671A - Improvements in and relating to electrical fuses of the multiple element type : en
  • CH163580A - Drawing board with drawing rail. : de en
  • US1924331A - Control system for dynamo-electric machines : en
  • US1924380A - Gear wheel lapping tool : en
  • PL18597B1 - Device for controlling the density of threads during weaving. : en pl
  • US1924426A - Paper umbrella : en
  • PL18686B1 - Ball mill. : en pl
  • BE397931A - : en fr
  • PL18609B1 - A method of manufacturing metal cylinders and similar vessels. : en pl
  • PL18702B1 - Garden rake with a knife for trimming weeds and grass. : en pl
  • SU31750A1 - The method of cleaning waste paper and other contaminated fibrous materials : en ru
  • US1924501A - Printing : en
  • FR42688E - Improvements to current transformers incorporating discharge devices : en fr
  • BE397442A - Apparatus for the separation of sedimentary matter from waste water : en fr
  • CH163493A - Shoe shine machine. : de en
  • DE583123C - Heat exchange device : de en
  • SU31598A1 - Shield for formwork for concrete work : en ru
  • SU31699A1 - Method of immunization of silkworms against pebrine diseases : en ru
  • US1924452A - Conveying mechanism for furnaces and the like : en
  • US1924916A - Applicator : en
  • US1924286A - Antiskid chain : en
  • US1924360A - Earth moving device : en
  • CA335238A - Electro-pneumatic brake : en fr
  • SU31790A1 - Mobile goats for skinning the thoracic and abdominal cavities of meat carcasses : en ru
  • SU31856A1 - Press for the manufacture of fittings in the manufacture of refractory bricks : en ru
  • BE397882A - : en
  • GB397753A - Improved regulation for impulse turbines : en
  • ES131347A1 - CONNECTING MULTI-GRID VALVES WITH REACTION COUPLING : en es
  • GB397736A - Improvements in and relating to twin fountain pens : en
  • GB398173A - Manufacture of vinyl compounds : en
  • PL18566B1 - Cartridge for the cartridges. : en pl
  • US1924191A - Weft carrier : en
  • US1924402A - Time signaling system : en
  • USD90579S - Design fob a combination surgical : en
  • AU891432A - An improved clothes clip construction and method of manufacturing thesame : en
  • CH163672A - Electrolytic capacitor. : de en
  • CH163705A - Device for fixed ladders to catch falling people. : de en
  • SU31497A1 - Thermal relay : en ru
  • SU31810A1 - Conveyor for sheet glass : en ru
  • US1924928A - Heating system : en
  • US1924499A - Lubricating device : en
  • USD90566S - Design fob a toy duck : en
  • CH163615A - Process and related plant for the manufacture of pipes shaped from metal sheets. : en it
  • CH163647A - Device for monitoring the cooling water temperature in explosion engines for driving motor vehicles. : de en
  • ES131355A1 - Manufacturing process of rubber soles for footwear of all kinds. : en es
  • SU31590A1 - Device for casting glass watch weights : en ru
  • US1924435A - Condenser : en
  • US1924868A - Gas shut-off fire valve device : en
  • CA335268A - Choke valve : en fr
  • ES131472A3 - Process for the manufacture of potassium persulfate and hydrogen peroxide. : en es
  • FR751204A - Funeral monument : en fr
  • FR751241A - Improvements to glass level indicators or similar indicators : en fr
  • GB397739A - Improvements relating to ceiling roses : en
  • PL18603B1 - A method of simultaneously producing butyl alcohol and acetone by means of fermentation. : en pl
  • US1924421A - Turbine engine : en
  • US1924629A - Hydraulic pump and motor : en
  • US1924655A - Multiple typewriter system : en
  • US1925025A - Process and apparatus for accurately cutting and rectifying gears : en
  • US1924101A - Headlight attachment : en
  • US1924261A - Aeroplane bombing toy : en
  • US1924685A - Anesthetic composition : en
  • SU31494A1 - Device for automatic control of pump electric motor : en ru
  • SU31511A1 - Relay test device : en ru
  • US1924649A - Warp knitting machine : en
  • US1924668A - Banking switch construction : en
  • US1925000A - Remote control apparatus for power driven boats : en
  • CH163552A - Process for the production of moldings. : de en
  • CA335244A - Cushion pad making machine : en fr
  • BE397701A - : en
  • CA335248A - Scale : en fr
  • SU31489A1 - Robot : en ru
  • US1925008A - Sink stopple : en
  • AU1041632A - Swimming and sunbathing trunks : en
  • CH163599A - Instrument intended to be mounted on a vehicle. : en fr
  • CH163727A - Device for the exhibition of goods. : en fr
  • DE583255C - Device for screening and conveying bulk goods : de en
  • DE583442C - Hinge : de en
  • ES131445A1 - A method to perfect electrical insulation. : en es
  • CH163486A - Lock with rotating lock cylinder. : de en
  • CA335269A - Cash register : en fr
  • CA335306A - Wrench : en fr
  • CH163584A - Automatic firearm with clip-on magazine. : de en
  • SU31836A1 - The method of purification of diffusion water by filter press : en ru
  • US1924218A - Continuous heat treating furnace : en
  • US1924303A - Phase shifting reactor : en
  • US1925062A - Bobbin stripper : en
  • CH163702A - Process for the preparation of the calcium salt of a gluconic acid-phosphoric acid ester. : de en
  • US1924974A - Artificial sponge for scouring metal and enamel ware : en
  • US1924176A - Roving frame : en
  • SU31609A1 - Method of mass regeneration from gelatin and glycerin for filling automobile and similar tires : en ru
  • US1924535A - Wringer : en
  • AU987032A - Vacuum soldering machine : en
  • PL18726B1 - Resilient pad or insert for mattresses, cushions, upholstered furniture and similar items. : en pl
  • AU1034932A - Improvements in electric incandescent lamps : en
  • GB397546A - Improvements in folding gates : en
  • PL18595B1 - Apparatus for washing, mixing or dissolving with a uniform method of circulation. : en pl
  • SU31687A1 - Device for measuring movement speed : en ru
  • US1924408A - Radio direction finder apparatus : en
  • US1924543A - Filament : en
  • US1924679A - Microphone control : en
  • AU1019232A - Improvements in reaper threshers : en
  • CH163576A - Film cutting device on film treatment vessels. : de en
  • GB397781A - Improvements in drilling, milling and like machines : en
  • CA335166A - Mop head and wringer : en fr
  • CH163523A - Shoe sole. : de en
  • PL18567B1 - The device for attaching the angle of lifting the barrel works. : en pl
  • US1924915A - Apparatus for electric welding : en
  • FR42678E - Arrangement for automatic adjustment of amplification in telephone systems : en fr
  • CH163633A - Device for locking a nut on its bolt. : en fr
  • ES131516A3 - A ball bearing rebuild procedure. : en es
  • GB397697A - Improvements in or relating to articles or apparatus subject to low temperatures : en
  • CH163577A - Film guiding device in film treatment vessels. : de en
  • CH163470A - Demountable garage in steel and concrete. : en it
  • CA335154A - Metal spraying apparatus : en fr
  • SU31529A1 - The method of producing rosin and rosin soap from pneumatic osmol : en ru
  • SU31548A1 - A device for regulating the steam pressure in the boiler : en ru
  • USD90572S - Design for a chair : en
  • CA335245A - Weighing scale : en fr
  • DE583087C - Page turner : de en
  • PL18574B3 - Method for the production of tertiary nitriles. : en pl
  • US1924284A - Double window or window ventilator : en
  • US1924816A - Directional gyroscope for borehole testers and other uses : en
  • SU31453A1 - A method of making patterns for copying machines : en ru
  • US1924378A - Sewing machine needle : en
  • PL18695B1 - A way to renew floors. : en pl
  • US1924515A - Building wall construction : en
  • BE397879A - : en
  • SU31732A1 - The method of turning tires without rolling out the ramps : en ru
  • CA335156A - Lifting gear for lobster pots : en fr
  • CH163511A - Endless apron rolling mill for textile fiber spinners. : en fr
  • ES130818A1 - A procedure for obtaining insecticides. : en es
  • FR42669E - Photoelectric cell : en fr
  • GB397644A - Improvements in cases or containers for transporting liquids and other goods : en
  • CA335249A - Valve for milking machine : en fr
  • SU31628A1 - A device for recording fuel casting in mechanical fireboxes : en ru
  • US1924313A - Method for making phenates : en
  • CA335278A - Synchronizing system : en fr
  • CA335228A - Arc welding apparatus : en fr
  • CH163663A - Device for regulating the output of electrical power plants. : de en
  • US1924323A - Process for the treatment of raw materials containing silicic acid or silicates and oxides of heavy or light metals : en
  • US1925011A - Low frequency oscillator : en
  • US1924134A - Key retainer : en
  • US1924555A - Machinery packing : en
  • CA335314A - Refrigerating system : en fr
  • DE583067C - Device for displaying the phase deviation of synchronously running devices by means of phase signals given by the transmitter during each revolution : de en
  • CA335225A - Energy-translating device : en fr
  • ES131535A1 - A toy system with circumscribed movement top. : en es
  • SU31681A1 - Recording centrifugal tachometer : en ru
  • US1924412A - Electrically operated pumping apparatus : en
  • US1924714A - Method and system of illumination : en
  • US1924778A - Automobile signal : en
  • ES130665A1 - A procedure to obtain a preparation of castor oil (oleum palma christi), in a mixture thereof with cocoa and sugar, aromatizing the whole to a variable taste and in varying proportions according to the circumstances or dosage of the preparation. : en es
  • DK47684C - Apparatus for placing a book attached to a support rail with its back. : da en
  • FR751141A - Process for transforming continuous filaments into yarns obtained by spinning operations : en fr
  • SU31476A1 - Device for powering the anode circuit of a radiosonde : en ru
  • FR751159A - Grading apparatus for grain materials : en fr
  • FR751229A - : fr
  • FR751363A - Device for propelling vehicles : en fr
  • SU31714A1 - Fuel pump for internal combustion engines : en ru
  • ES1872U - Packaging box for rolls of raw rubber. (Machine-translation by Google Translate, not legally binding) : en es
  • SU31760A1 - Machine for folding fur to a photographic camera : en ru
  • SU31464A1 - A device for changing the speed of filling the air cylinder brake : en ru
  • PL18617B1 - - *>} d. "W * A building element for building and facing walls and the method of its manufacture. : en pl
  • BE397925A - : en
  • ES131522A3 - A procedure for the manufacture of a compost compost. : en es
  • CH163779A - Device for converting direct current into alternating current by means of grid-controlled discharge vessels. : de en
  • CA335196A - Bag holder : en fr
  • SU31555A1 - Method and device for planting a net on a picker thread when visting on a networked machine : en ru
  • SU31838A1 - Method for producing artificial honey : en ru
  • DE583157C - Automatic drive wheel switching device for engine starter : de en
  • GB397566A - Improvements in or relating to wire drawing apparatus and the like : en
  • US1924697A - Two-cycle engine : en
  • US1924771A - Combination bath fixture : en
  • US1924797A - Motor vehicle : en
  • FR751385A - Carburetor : en fr
  • CA335206A - Automobile window screen : en fr
  • CH163548A - Process for the preparation of a vat dye of the anthraquinone series. : de en
  • CH163559A - Dewatering press for strong webs of pulpy fiber material. : de en
  • CH163578A - Winding rod for film treatment vessels. : de en
  • FR751172A - Stretch closure for bracelet, wristwatch and the like : en fr
  • CH163555A - Process for the production of highly viscous products. : de en
  • CH163582A - Swimming aids. : de en
  • GB397808A - Slide brake for the assembler slide of a matrix composing and line casting machine : en
  • CH163659A - Switch for right and left rotation. : de en
  • US1924184A - Shock absorber : en
  • US1924739A - Electric lamp and method of operation : en
  • ES131135A1 - Procedure for the production of polychromic fonofilm. : en es
  • FR751345A - Lamp refinements : en fr
  • CA335230A - Voltage stablizing means : en fr
  • DE582989C - Circuit arrangement for single-pole electrical systems for motor vehicles : de en
  • DE583358C - Crawler chassis for heavy vehicles : de en
  • ES131304A1 - Improvements in the construction of the suction hoods. : en es
  • CH163648A - Fuel pump with storage piston loaded by a liquid spring on internal combustion engines. : de en
  • US1924162A - Cut-off machine : en
  • US1924724A - Concrete wall and method of building and finishing same : en
  • USD90571S - Design for a toy monkey : en
  • CH163538A - Process for the preparation of 2,3-dimethyl-5-methoxyindole. : de en
  • GB397770A - Improvements in automatic coin-controlled apparatus for dispensing drinks : en
  • SE78201C1 - Device for regulating the speed of electric motors : en sv
  • AU1044732A - Improvement in system of transmitting intelligence : en
  • SU31823A1 - Water heater : en ru
  • US1924587A - Spring shackle mechanism : en
  • DE583149C - Wet gas knife with a tumbler : de en
  • FR751165A - Machine for wrapping sweets and other similar products : en fr
  • FR751203A - Ball and locking hitch for trailers : en fr
  • SU31624A1 - The device for installation of locomotive wheel pairs at a certain angle of rotation of the crank before putting on them dyshel : en ru
  • FR751135A - Forging machine : en fr
  • FR751276A - Improvement in control mechanisms for internal combustion engine starters : en fr
  • GB397612A - Two-stage thermionic valve : en
  • GB397771A - Improvements in or relating to axle guiding-arrangements for railway vehicle trucks or bogies : en
  • GB398175A - Process of dyeing : en
  • ES130859A1 - Drum improvements for the transport of liquids. : en es
  • DE568381C - Process for the production of multicolor prints : de en
  • FR751132A - Manufacturing process of zinc chloride and iron oxides from zinc ash : en fr
  • GB397676A - Improvements in or relating to the manufacture of an artificial leather-like composition : en
  • GB397783A - Improvements in and relating to temperature control means : en
  • SU31452A1 - A device for stopping the piston and spools of a locomotive engine when a steam locomotive moves without steam : en ru
  • DE583276C - Device for practicing the process for the production of pressed pieces from synthetic resin and synthetic resin-containing compounds : de en
  • FR751330A - Process for obtaining layers of nickel, strongly adherent non-porous and malleable, on iron and steel : en fr
  • GB397708A - Improvements in and relating to an electrically controlled toy vehicles : en
  • GB398166A - Improvements in or relating to the manufacture of artificial filaments, threads, films, fabrics and the like : en
  • GB397557A - Improvements in and relating to elevator installations : en
  • FR751327A - Process for obtaining an English knit with extensible and non-extensible regions, loom for the implementation of this process and the products obtained : en fr
  • GB397709A - Method of and means for mounting electric immersion heaters in containers : en
  • GB397763A - Improvements in or relating to volume control systems suitable for use in radio receiving and like apparatus : en
  • ES131097A2 - IMPROVEMENTS IN THE MAIN PATENT : en es
  • GB397802A - A new or improved device for filling the containers of capping and like machines with a supply of discs : en
  • DE583313C - Lifting device on flatwork ironers : de en
  • GB397834A - Improvements in or relating to charge forming devices or carburettors : en
  • US1924470A - Snubber : en
  • US1924625A - Press drive : en
  • FR751290A - Regulating mechanism for the continuous distribution of constant quantities of liquids, vapors or gases : en fr
  • PL18570B1 - A method of depositing dust from a gas or air stream, and an apparatus for using the method. : en pl
  • AU886532A - Improvements in and connected with apparatus for handling glassware : en
  • DE583078C - Jack : de en
  • ES1452Y - Arrangement in manicure knife to open and close without spring. : en es
  • GB397691A - Improvements in or relating to inside heel cushions for boots or shoes : en
  • PL18682B1 - Method of obtaining beryllium compounds from minerals containing beryllium. : en pl
  • SU31526A1 - Method for preparing lithopone oil paste with linseed oil, linseed oil and gasoline : en ru
  • US1924930A - Automatic regulator for pumps : en
  • GB397615A - Improvements in and relating to gymnasium applicances : en
  • DE583306C - Removable burner for gas stoves, gas stoves or the like. : de en
  • DE583332C - Boiler lifting and lowering device for oil switch boiler : de en
  • FR42691E - Process for separating hydrocarbons from gases by adsorption and regeneration of the adsorbent : en fr
  • GB398194A - Improvements in or relating to the manufacture of thermoplastic resinous materials : en
  • AU1081333A - Improvements in or relating to fans : en
  • SU31516A1 - Plate etching method for solid rectifiers and photocells : en ru
  • US1924357A - Start-stop telegraph system and apparatus : en
  • CH163463A - Soundproof floor. : de en
  • PL18660B1 - Attaching the rails to the contact of the lovebirds covering the top and bottom surfaces of the rail foot. : en pl
  • SU31572A1 - Fitting to auditory tips : en ru
  • CA335312A - Decorative material production : en fr
  • CH163729A - Pocket-like container with locking handle. : de en
  • AU920032A - An improved trailer for motor vehicles : en
  • CH163606A - Zeitwerk with rate control by a comparative motor. : de en
  • PL18588B1 - Airframe type plane, especially single-plane. : en pl
  • SU31541A1 - Nozzle with turntable : en ru
  • US1924232A - Sewing machine : en
  • SU31380A1 - Flotation agent : en ru
  • CH163700A - Process for the preparation of a therapeutically valuable derivative of veratrum acid. : de en
  • AU882032A - Improvements in or relating to machines for operating on soles : en
  • ES131377A1 - A process for manufacturing air chambers for wheels of motor vehicles, motorcycles, bicycles and the like. : en es
  • BE397660Q - : fr
  • US1924159A - Automatic firing action for guns : en
  • US1924243A - Machine for applying heel covers : en
  • US1925002A - Process of pasteurization : en
  • US1924136A - Process for heating materials : en
  • US1924619A - Protective device for control circuit of electric phonograph or the like : en
  • SU31460A1 - Device for lifting side hooks of railway platforms : en ru
  • SU31588A1 - Scoop feeder to Lynch’s glass making machine : en ru
  • SU31725A1 - Belt stitching machine : en ru
  • US1924983A - Vehicle headlight : en
  • BE397564A - : en fr
  • CA335188A - Floor waxing device : en fr
  • FR751232A - Thread cutter for buttonhole sewing machines : en fr
  • CA335285A - Petroleum acid sludge processing : en fr
  • DE583395C - Production of phosphoric acid-hydrochloric acid mixtures : de en
  • US1924627A - Chain lock : en
  • SU31430A1 - Linatiole acetylation method : en ru
  • SU31578A1 - Antiseptic individual dressing package : en ru
  • US1924211A - Cylinder oil : en
  • DE583401C - Electric cylinder typewriter : de en
  • US1924632A - Fuse device : en
  • US1925067A - Toy : en
  • CA335177A - Film magazine : en fr
  • CH163709A - Circuit arrangement for eliminating interfering alternating voltages between the cathode and the other electrodes of one or more tubes of an amplifier arrangement. : de en
  • CA335185A - Kinematographic apparatus : en fr
  • CA335311A - Agitator for chemical toilets : en fr
  • SU31517A1 - Electric Fluid Heater : en ru
  • DE571467C - Mobile knee protection bench : de en
  • GB397649A - Improvements in and relating to hot water boilers : en
  • USD90611S - Design for a service station : en
  • SU31623A1 - Tool for checking sharpening spiral drills : en ru
  • SU31717A1 - Device to use the sun's rays : en ru
  • US1924179A - Thread cutting shuttle : en
  • CA335250A - Footwear element assembling method : en fr
  • SU31597A1 - Bipod for lifting and installing telegraph and similar poles : en ru
  • US1924514A - Phenolic condensation product and process of producing same : en
  • US1924748A - Abrasive body and method of making the same : en
  • US1924484A - Fuse : en
  • US1924657A - Piping : en
  • SU31500A1 - Core for Korea High Voltage Electrical Machines : en ru
  • SU31844A1 - Fixture with sight tools for leveling log position on butt and top carts : en ru
  • US1924823A - Compartmented carton : en
  • CA335202A - Gravel treating apparatus : en fr
  • DE583240C - Process for the regeneration of adsorbent carbon : de en
  • PL18669B1 - Method of purifying substances intended for exothermic reactions. : en pl
  • SU31846A1 - Electromagnetic Vibrating Device : en ru
  • US1924267A - Method of making linings for casting mold cavities : en
  • US1924522A - Method of and apparatus for extruding tubular metal shapes : en
  • US1924104A - Manometric apparatus : en
  • PL18641B1 - Device for guiding brushes or the like on cleaning machines. : en pl
  • FR751174A - Rubber hot water bottle : en fr
  • DE583075C - Luffing crane : de en
  • FR751105A - Elastic mat with plate element : en fr
  • US1924581A - Alloy : en
  • GB397768A - Speed control of induction motors by means of mercury vapour frequency changers : en
  • FR42668E - Process for producing polychrome cinematographic photographs and images : en fr
  • SU31480A1 - Device for tuning radio receivers : en ru
  • FR751373A - Method and devices for transporting and charging intermittently laminated glass sheets : en fr
  • PL18676B1 - Method of obtaining fertilizer from defecation lime. : en pl
  • ES1877U - Coffee maker with rising water circulation. (Machine-translation by Google Translate, not legally binding) : en es
  • SU31478A1 - Method of two-time wireless transmission : en ru
  • DE583090C - Fluid brake, especially for aircraft : de en
  • GB397812A - An improved guard or protector for use with clamps for securing mincing or other machines or devices to tables or other bodies : en
  • FR42700E - Apparatus for heating, cooking and producing heat anyway by means of heavy liquid fuels : en fr
  • DE583159C - Gear change transmission : de en
  • GB397581A - Improvements in an arrangement for the working of compressed air jigging conveyor motors : en
  • GB397575A - Improvements relating to game apparatus : en
  • GB397898A - Improvements in or relating to pipe joints : en
  • CA335265A - Draft appliance : en fr
  • CH163554A - Process for the production of hardboards from fiber material. : de en
  • ES131538A1 - Improvements in the construction of radiators for internal combustion engines. : en es
  • ES131547A1 - MACHINE FOR SEPARATING, CLASSIFYING AND COUNTING DISCS, TOKENS OR OTHERS AND APPLICABLE MORE PARTICULARLY TO PIECES OF COIN : en es
  • US1924693A - Check indorser : en
  • ES131158A3 - Filtration system for liquids. : en es
  • GB397693A - Manufacture of mono-azo-dyestuffs : en
  • GB397752A - Improved control devices for hydraulic reaction turbines : en
  • GB397875A - Improvements relating to the driving control of motor vehicles : en
  • DE583209C - Method and device for direct iron production : de en
  • ES131108A1 - A method and device that introduce a great improvement in the machines and process for the manufacture of hollow bricks, the device is mainly in a new nozzle with its cores of special shape combined with a : en es
  • FR751222A - Solid shades to friction : en fr
  • SU31719A1 - Device for adjusting Segner or Geron wheel turbines : en ru
  • US1924229A - Engine starting apparatus : en
  • US1924635A - Method of making alpha laminated fabric : en
  • US1924716A - Footwear and method of making same : en
  • US1924981A - Sewing machine attachment : en
  • SU31431A1 - The method of obtaining primary alcohols : en ru
  • PL18625B1 - A method of making the dough on a strudel stable. : en pl
  • US1924244A - Process for improving nickel-tinalloys : en
  • CH163551A - Artificial leather-like material and method for producing the same. : de en
  • CA335296A - Pyritic smelting process : en fr
  • CH163540A - Process for the production of a new azo dye. : de en
  • CA335217A - Cellulose fibre mercerization : en fr
  • CH163689A - Process for the production of artificial light similar to that of the day and device for carrying out this process. : en fr
  • DE583104C - Roller skate : de en
  • CH163616A - Machine tool with mobile table. : en fr
  • ES131350A1 - A process for the manufacture of shatterproof glasses and glasses. : en es
  • GB397682A - Improvements in moving coil loudspeakers : en
  • CA335191A - Combined plumb and level saw handle : en fr
  • CH163591A - Unit counter. : de en
  • PL18618B1 - Rail joint. : en pl
  • CH163675A - Dry rectifier for continuous operation. : de en
  • SU31748A1 - Biscuit Delaminating Device : en ru
  • US1924867A - Control for self-propelled vehicles : en
  • CH163631A - One-handed lighter. : de en
  • SU31425A1 - Method for processing ash of coal near Moscow in order to extract aluminum from it : en ru
  • US1924626A - Cleaner for implement wheels : en
  • US1924828A - Disintegrator : en
  • US1924221A - Casting machine : en
  • PL18646B1 - Straw baler. : en pl
  • SU31408A1 - Coke oven door : en ru
  • US1924197A - Electrical feeler : en
  • ES131449A2 - A SPECIAL APPLICATION DOUBLE POT OVEN SYSTEM FOR GLASSWARE : en es
  • DE583151C - Arrangement for the simultaneous recording of two phonograms with the same content on separate carriers : de en
  • FR42697E - Method and device for obtaining dry slabs of wood pulp, cellulose or other similar substances from a wet strip of this substance : en fr
  • GB398213A - Improvements in or relating to circuit breakers : en
  • FR42698E - Pneumatic and electrical energy transmitter : en fr
  • CH163757A - Electric railway train protection device. : de en
  • US1924758A - Automatic blue printing and finishing machine : en
  • US1924882A - Container for fire extinguishers : en
  • AU989032A - Display carton for packaging soap tablets : en
  • SU31848A1 - Apparatus for continuous electroplating of metal tapes or wires : en ru
  • US1924328A - Blanket for printing presses and method of making the same : en
  • US1924539A - Smoking pipe : en
  • PL18668B1 - A method of purifying substances intended for chemical reactions and a device for carrying out this method. : en pl
  • SU31469A1 - Trackless transport device : en ru
  • US1924307A - Relay system : en
  • FR751117A - Manufacturing process of high molecular weight mercaptans : en fr
  • CH163461A - Device for the oscillating mounting of the winding drums of roller shutters, which are operated by a crank drive. : de en
  • SU31467A1 - Snowplow for rail tracks : en ru
  • CH163524A - Jug, especially for milk. : de en
  • DE583292C - Fastening of the wall cladding on metal walls, especially for motor vehicle body : de en
  • SU31490A1 - Span control device : en ru
  • US1924439A - Process of forming alloy materials by electroplating : en
  • US1924523A - Machine for uniting strips of floor covering, or the like, to present alpha seamlessupper surface : en
  • ES131446A1 - A process for manufacturing rubber yarn. : en es
  • FR751267A - Improvements made to motor compressors with opposing free pistons : en fr
  • GB397827A - Improvements relating to building construction : en
  • CA335216A - Wire bending machine : en fr
  • CH163715A - Radio signaling device. : en fr
  • CH163731A - Closing device on crates for fruit and the like. : de en
  • SU31508A1 - Method and device for measuring time intervals : en ru
  • SU31724A1 - Shaft coupling for shafts : en ru
  • AU882432A - Improvements in or relating to the shaping by machine of strip leather or like material : en
  • CH163742A - Metal carcass for vehicles, such as buses, coaches, vans, etc. : en fr
  • DE583055C - Process for the preparation of bis (halooxyaryl) sulfides : de en
  • DK47704C - Procedure and device for leveling the mutual couplings between the wires in a cable. : da en
  • ES131056A1 - Chromatic optical system for advertising. : en es
  • GB397901A - Improvements in the reduction of aromatic hydroxy compounds : en
  • BE397908A - : en fr
  • CH163472A - Hot air system. : de en
  • US1924880A - Open truss girder : en
  • DE583204C - Process for printing silk with chrome dyes : de en
  • SU31470A1 - Device for automatically adjusting the braking force of a wagon according to the load : en ru
  • US1924386A - Cleaning mechanism : en
  • US1924863A - Cover for containers : en
  • PL18551B1 - A method of making a foodstuff rich in vitamins. : en pl
  • SU31690A1 - Apparatus for counting checks or coupons : en ru
  • US1924546A - Golf bag : en
  • US1924752A - Heat resisting glass giving daylight effects : en
  • AU879832A - Improvements in electrically illuminated signs : en
  • US1924893A - Method of making containers and chimes therefor : en
  • US1925031A - Tube for pneumatic tires : en
  • US1924373A - Shock absorber and valve therefor : en
  • CH163518A - Carpet knocking frame. : de en
  • GB397728A - Improvements in shoe insoles : en
  • CA335210A - Aluminum and alloy surface treating method : en fr
  • CH163682A - Luminaires for glare-free, indirect lighting. : de en
  • CH163775A - Process for the preparation of a resinous copolymer. : de en
  • CA335235A - Welding electrode : en fr
  • SU31599A1 - Tower shell : en ru
  • BE397457A - Match making and packaging improvements : en fr
  • US1924692A - Firearm : en
  • US1925029A - Heat treatment of steel rails : en
  • FR751176A - retort element for the low temperature distillation of coals or other mineral or vegetable products : en fr
  • BE397907A - Device for controlling an electric discharge device using a direct voltage source and a capacitor : en fr
  • CH163490A - Method and device for the combustion of liquid fuels. : de en
  • AU884332A - An improved cultivator : en
  • CH163768A - Process for the preparation of a wetting agent, washing agent, emulsifying agent and dispersing agent. : de en
  • CH163619A - Device for leveling hard objects. : de en
  • CA335237A - Fluid pressure brake : en fr
  • PL18550B3 - A method of obtaining coal with significant active properties. : en pl
  • PL18620B1 - Metal seals for piston rods and similar machine parts. : en pl
  • US1924571A - Counting mechanism : en
  • US1924406A - Display device : en
  • US1924459A - Motor control circuit : en
  • US1924784A - Musical trap holder : en
  • USD90609S - Design for a saucepan or similar : en
  • CH163698A - Process for the preparation of 5-isopropyl-5-methylolbarbituric acid. : de en
  • CH163778A - Process for producing a finely crystalline structure in aluminum. : de en
  • DE583105C - Shuttle spindle : de en
  • DE582827C - Handjaeter with tine handles stored in pairs next to or on top of each other : de en
  • DE583268C - Switching device with several individually operated knife switches : de en
  • DK47707C - Acid Toothpaste and Procedure for Its Manufacture. : da en
  • DE583039C - Method and device for producing electrolytic coatings : de en
  • DE583439C - Theft protection for motor vehicles : de en
  • SU31486A1 - Electric switch : en ru
  • SU31670A1 - Barometer : en ru
  • US1924398A - Ultra violet light transparent glass : en
  • ES130825A1 - Procedure for obtaining a catalytic fertilizer nitrifier. : en es
  • CA335213A - Bread slicing and wrapping machine : en fr
  • ES131482A3 - Procedure for the manufacture of glass containers starting from tubes of this one. : en es
  • FR751239A - Spreading agent for spray applied compositions : en fr
  • DE583110C - Stacking container : de en
  • GB397560A - Improvements in electrical signalling apparatus for rope haulage railways : en
  • GB397801A - Improvements in idler pulley arrangements for belt conveyors : en
  • FR751170A - Automatic closure for tubes : en fr
  • GB397664A - Improved heat-exchange tubes for use in steam boilers, superheaters, economizers, oil stills, or other heat exchangers : en
  • GB397786A - Improvements in and relating to cooling plants for internal combustion engines : en
  • FR751446A - : fr
  • DK47690C - Procedure and Device for Insertion of Cigar Wraps in Press Forms Supplied with a Number of Parallel, Continuous Press Chambers. : da en
  • US1924253A - Condensation product from urea and an alcohol or alpha ketone and process of preparing them : en
  • US1924945A - Convertible bed table : en
  • DE583296C - Device on grinding machines for moving dressing tools or workpieces back and forth on the grinding wheel : de en
  • ES131429A1 - CONVERTER APPARATUS PROVIDED WITH ELECTRIC VALVES : en es
  • FR751250A - Improvements to shortwave oscillation generators : en fr
  • US1924395A - Chime : en
  • FR42670E - Arrangement for blocking, in remote control installations operating with control currents of different frequencies, parts of line against at least some of these control currents : en fr
  • DE583211C - Inclined elevator for rail vehicles with pressure truck operation : de en
  • FR751207A - Automatic lubrication device for locomotive axle and other vehicles : en fr
  • FR751289A - Method and apparatus for perforating and stamping sheet metals and applications of the products obtained : en fr
  • SU31618A1 - The method of obtaining stamping products : en ru
  • US1924787A - Process of imitating onyx, marble, or the like on glass : en
  • US1924814A - Cushioning device : en
  • US1924965A - Remote control for pitot tubes : en
  • ES131372A1 - A system of electric heating device, for the production and distribution of hot, warm or cold water, with balanced pressure hydro-mixer, arranged inside. : en es
  • ES1869U - A thimble for sewing (Machine-translation by Google Translate, not legally binding) : en es
  • CH163534A - Process for the production of an organic product containing chlorine and sulfur. : de en
  • PL18640B1 - Well water de-ironing device. : en pl
  • FR751320A - Improvements to devices for lighting vehicle plates or similar surfaces : en fr
  • US1924912A - Explosive : en
  • SU31835A1 - The method of using waste diffusion water by returning them to diffusion : en ru
  • CH163504A - Closure caps made of sheet metal for containers, bottles, etc. : de en
  • SU31512A1 - Device for measuring AC power : en ru
  • CH163465A - Garage door. : de en
  • CH163693A - Rubberless varicose vein stocking with heel opening. : de en
  • DE583097C - Hunting bullet : de en
  • SU31637A1 - Automatic scales for fluid bodies : en ru
  • SU31532A1 - The method of obtaining casein glue and polish : en ru
  • SU31549A1 - Device to improve heat transfer in the fire and smoke tubes of steam boilers : en ru
  • CA335251A - Blowpipe apparatus : en fr
  • US1924156A - Means and method of measuring distance : en
  • SU31491A1 - Device for starting the engine : en ru
  • SU31674A1 - Liquid Body Sampling Device : en ru
  • IE12884L - Transmission mechanism : en
  • DE583184C - Active coal production furnace : de en
  • DE583362C - Double door for closed vehicles : de en
  • ES130073A1 - A procedure to write the graphics used in tissue theory, pointing out the ligament arrangements, allowing in turn and a greater ease, in the unraveling and transcription on paper. : en es
  • ES131467A3 - Procedure for the manufacture of regenerative cosmetics. : en es
  • ES131497A1 - A method of manufacturing a reinforced material based on rubber, rubber, resins or the like. : en es
  • FR751201A - Shoemaking slicer : en fr
  • GB397725A - Improvements relating to telegraph apparatus : en
  • GB397547A - Improvements in and relating to advertising and like display devices : en
  • GB397672A - Process for tanning animal hides : en
  • GB397751A - Improvements in wrapping and folding devices for packaging machines : en
  • SU31617A1 - Method of making stamped shaped or graduated products from synthetic resins : en ru
  • FR42652E - Explosion turbine, or direct reaction combustion : en fr
  • GB397777A - Improved case for paint sticks, shaving soap and like products : en
  • FR751323A - : fr
  • FR751338A - Gear switch : en fr
  • FR751383A - Automatic cigarette lighter that can be combined with a vending machine : en fr
  • CH163734A - Windshields on motor vehicle bodies, in particular those with a roof or convertible top. : de en
  • SU31463A1 - Air distributor for automatic brakes : en ru
  • SU31828A1 - Armored bail for grabbing reinforced concrete rings and pipes : en ru
  • ES131380A1 - A manufacturing process for flexible conductors, electrical resistance. : en es
  • ES131385A1 - Obtaining heat by means of a refrigeration machine with continuous action absorption. : en es
  • PL18693B1 - Speaker membrane. : en pl
  • SU31554A1 - Adaptation to netting machines for perekidki nodal loops : en ru
  • CH163510A - Ejection device for cards. : de en
  • AU1083533A - Improvements in or relating tothe control ofthe frequency of magnetron oscillators : en
  • CH163482A - Process for manufacturing composite refractory products, and product manufactured by this process. : en fr
  • PL18721B1 - Device for displaying posters, billboards and similar advertisements to the public. : en pl
  • US1924710A - Process for the manufacture of dichromates : en
  • DE583064C - Metal attachment plate for doors of rail freight wagons : de en
  • SU31522A1 - Electrode supply device in volt arc welding machines : en ru
  • US1924196A - Stabilization of naphtha : en
  • US1924582A - Surfacing machine : en
  • US1924836A - Amplifier : en
  • US1924507A - Method and compound for repelling insects : en
  • US1924554A - Material treating machine : en
  • FI15383A - Skaftfäste : en fi
  • CA335292A - Accounting machine : en fr
  • CH163563A - Tab for strips with text. : de en
  • DE583120C - Device for measuring and marking textile webs : de en
  • PL18672B1 - Automatic device for regulating the spacing of the brake blocks on the brakes of railway carriages and the like. : en pl
  • DE583043C - Steam-heated pipe dryer Schulz design : de en
  • AU980332A - Improved pea-shelling machine : en
  • CH163598A - Anchor bridge. : en fr
  • CH163673A - Process for converting multiphase current of a given frequency into alternating current of another frequency and vice versa. : de en
  • DE583139C - Water jet compressor : de en
  • DE583300C - Road traffic signaling device : de en
  • DE583421C - Tooth root prosthesis made of fired ceramic material in the shape of a natural tooth root : de en
  • ES131386A1 - A steam locomotive made up of different units, with the boilers arranged in thermal waterfalls and with cycles balanced by means of thermal valves. : en es
  • ES131534A1 - Procedure for the manufacture of vaults for floors and buildings in general. : en es
  • FR751262A - Translucent body fixed in an opening in the wall of a headlight or similar device, in particular for controlling the headlight lamp : en fr
  • FR42654E - Improvements to the mechanisms for drawing rovings of textile fibers : en fr
  • FR42664E - Improvements in the means of controlling the passage of energy between an alternating current circuit and a direct current circuit : en fr
  • GB397687A - Improvements in and relating to switch adapters, particularly for lamps having two filaments : en
  • ES131513A3 - Two-stroke machine, particularly reversing notch ejection diesel machine. : en es
  • ES130927A1 - A machine for defibering textile plants. : en es
  • FR751124A - Advanced control system, particularly intended for controlling the engine (s) of precision instruments : en fr
  • CH163737A - Motor vehicle. : de en
  • GB397578A - Improvements in devices embedded in walls and the like for securing fittings : en
  • US1924718A - Antishimmy device : en
  • SU31614A1 - The method of obtaining the condensation products of phenol with aldehydes : en ru
  • SU31737A1 - Pipe cutting machine : en ru
  • US1924170A - Method for preparing latex compositions : en
  • DE583049C - Processing of raw materials containing iron and sulfur, especially pyrite, by chlorination : de en
  • DE583274C - Ambulance : de en
  • GB397610A - Improvements in or relating to furnaces and the like and to the conveyance of goods therethrough : en
  • FR751178A - Crusher element for tube, drum and ball mills : en fr
  • FR751310A - Improvements to printing machines : en fr
  • US1924824A - Vapor stove : en
  • DE583069C - Temperature compensation device for carbon pressure resistors : de en
  • FR751326A - Breaker : en fr
  • GB397860A - Transmission gearing for power engines, especially electric motors : en
  • US1924608A - Cutter grinder : en
  • CH163542A - Process for the production of a new metal-containing dye. : de en
  • CH163748A - Process for the production of anti-skid chains. : de en
  • PL18593B1 - A method of producing a fertilizer consisting of ammonium nitrate and an insoluble compound. : en pl
  • SU31560A1 - The method of grinding oak wood chippers : en ru
  • CA335167A - Filter : en fr
  • CA335179A - Air cleaner and humidifier : en fr
  • ES131452A3 - A procedure for the manufacture of stainless steel containers and containers. : en es
  • GB397550A - Improvements in or relating to the manufacture of parchment-like paper : en
  • CA335158A - Mud gauge protector : en fr
  • PL18711B1 - A method of preparing aluminum foil for cutting. : en pl
  • USD90578S - Design fob a laundry tub rim : en
  • ES131502A3 - A process for the production of ammonium salts and solid alkali or alkaline earth salts. : en es
  • SU31398A1 - Adaptation to presses for collecting stamped products in a pack : en ru
  • US1924171A - Device for swaging saw teeth : en
  • US1924706A - Window operating mechanism : en
  • US1924920A - Furnace : en
  • SU31587A1 - Glass blasting plant for making lamp cones, etc. glass products : en ru
  • PL18670B1 - Long-span roof construction. : en pl
  • SU31757A1 - A method of making Japanese paper "silk" : en ru
  • US1924234A - Pneumatic cushion device : en
  • US1924770A - Absorption refrigerating system : en
  • FR751334A - Electric cable : en fr
  • GB397794A - Improvements in and connected with change speed gear selector devices for use on motor road vehicles : en
  • USD90583S - Design for a textile fabric or : en
  • CH163453A - Device for coupling the animals in stables. : de en
  • PL18599B1 - K1.-21 e, 25 / Qlr- Terminal box for electrical measuring instruments, : en pl
  • SU31771A1 - Device for automatic pumping air from the upper knee of the siphon : en ru
  • US1924388A - Running gear : en
  • US1924665A - belt buckle : en
  • US1924942A - Water faucet : en
  • CA335280A - Journal box packing renovating method : en fr
  • CH163558A - Pulp scrubber. : en fr
  • US1924230A - Method of making bushings from strip metal : en
  • DE583224C - Process for the production of cobalt-containing azo dyes : de en
  • BE397308A - : en
  • CA335254A - Engine starter : en fr
  • CH163459A - Weather protection device on double and multi-leaf windows. : de en
  • DE583244C - Device for aligning staggered sheet-like materials : de en
  • ES131289A1 - Procedure for the manufacture of artificial cement by using coal containing many ashes. : en es
  • ES1875U - Strip of steel, for all kinds of bags, (Machine-translation by Google Translate, not legally binding) : en es
  • FR751152A - Improvements to wooden and reed slabs : en fr
  • GB397764A - Improvements in or relating to staple bands for stapling devices of all kinds : en
  • SU31704A1 - Internal combustion engine with several cylinders having a pair of common combustion chamber : en ru
  • PL18547B1 - Device for measuring the duration of telephone calls. : en pl
  • US1924879A - Oil distillation apparatus : en
  • PL18645B1 - A method of producing water-impermeable paper, cardboard and the like. : en pl
  • SU31795A1 - Automatic Fire Detector : en ru
  • PL18553B1 - Two-stroke internal combustion engine with auxiliary piston including the working piston of the engine. : en pl
  • SU31528A1 - Cattle tagging method : en ru
  • SU31785A1 - Steering gear on ships : en ru
  • US1924110A - Method of producing and reproducing films for the reproduction of picture films in combination with sound films : en
  • AU1053532A - Improvements in or relating tothe roasting of sulphide ores : en
  • CH163467A - Fitting for pipe scaffolding and the like. : de en
  • SU31457A1 - Anti-theft device : en ru
  • SU31551A1 - Air Economizer Cleaning Device : en ru
  • US1924415A - Electrical contact : en
  • PL18571B1 - Watertight junction or branch device for electric cables with clamping screws. : en pl
  • SU31552A1 - A device for transporting fuel and sending it to the hoppers of boiler furnaces : en ru
  • US1924592A - Vincent sendee : en
  • US1924689A - Steam engine : en
  • US1924904A - Axminster loom : en
  • US1924982A - Fastener setting machine : en
  • GB397593A - Improvements in, or relating to, electric tumbler switches such as used in connection with electric fires and the like : en
  • SU31761A1 - Automatic apparatus for photographic prints : en ru
  • US1924121A - Welded manway for pressure vessels : en
  • GB397621A - Improvements in pressure emulsifiers : en
  • DE583310C - Washing machine with agitator : de en
  • ES131202A1 - High power high or low voltage direct current machine with two windings in the armature housed in the same slots and provided with manifolds. : en es
  • US1924407A - Gland : en
  • FR751411A - : fr
  • US1924471A - Airplane : en
  • US1924163A - Distillation of tar : en
  • US1925001A - Light dimmer : en
  • US1924299A - Photo-electric tube : en
  • US1924948A - Roller skate : en
  • US1924704A - Removing carbon deposits from internal combustion engines : en
  • BE397651A - : en
  • FR751256A - Conical discs for centrifuge bowls with internal reinforcement : en fr
  • CA335227A - Compensated relay system for ground faults : en fr
  • US1924956A - Cultivator : en
  • US1925024A - Bucket elevator : en
  • AU965732A - An improved flangeway for road vehicles : en
  • AU991232A - Improvements relating to hosiery having integral elastic garter bands : en
  • CA335310A - Door silencer : en fr
  • CH163560A - Envelope with pull opening device. : de en
  • AU929332A - Improved apparatus for the manufacture of pipes and or the lining thereof with cementitious material : en
  • CA335308A - Electric circuit indicator : en fr
  • CH163703A - Carriers for medicines, disinfectants, pesticides etc. : de en
  • PL18665B1 - Voltage divider to measure the effective damping in telegraph and telephone circuits. : en pl
  • PL18613B1 - Screw antenna. : en pl
  • PL18692B1 - The method of obtaining resin-tar products. : en pl
  • US1924729A - Aluminum alloy : en
  • FR751259A - Process for producing foam, in particular for extinguishing fire : en fr
  • SU31437A1 - The method of obtaining allylamine salicylacetic acid : en ru
  • US1924703A - Power take-off mechanism : en
  • SU31417A1 - Gas Processing Apparatus : en ru
  • SU31510A1 - Method for measuring high current direct current : en ru
  • AU917332A - An improved kiln for drying andre-conditioning hardwoods andother timbers : en
  • GB397626A - Improvements in coffee making machines in combination with portable stand for same : en
  • US1924109A - Container for relatively large sheets : en
  • CH163489A - Leaf stop. : en fr
  • AU984332A - Hydrogenation of carbonaceous materials : en
  • CH163471A - Device for lifting a garbage can lid. : de en
  • GB397572A - Improvements in or relating to fluid pressure indicators for pneumatic tyres and other inflated bodie : en
  • DE583207C - Process for the preparation of urea clusters of the heterocyclic series with quaternary ring nitrogen : de en
  • US1924383A - Multiple tool head for drilling, boring, and like machine tools : en
  • US1925006A - Audible figure toy : en
  • FR751384A - Method and apparatus for the production of hydrogen using ferro-silicon, soda and water : en fr
  • US1924139A - Photo-electric control apparatus : en
  • US1924838A - Method of reforming rail ends : en
  • SU31519A1 - Method of joining electrically-welded material with non-conductive or hard-to-weld material : en ru
  • US1924272A - Locomotive feed water system : en
  • CH163620A - Press plate. : de en
  • CH163770A - Process for the preparation of a new condensation product which can be used as a reservation agent. : de en
  • US1924365A - Tabernacle : en
  • SU31473A1 - Speaker : en ru
  • SU31783A1 - Fishing boat : en ru
  • US1924508A - Variable speed transmission mechanism : en
  • ES131457A1 - Mixing machine and mixer. : en es
  • ES131503A1 - Improvements in the procedure for the manufacture of steel shelves. : en es
  • FR42679E - fluorescent screen : en fr
  • FR751115A - Improvements in processes for obtaining phonograms and cinematographic images on separate media : en fr
  • FR751128A - Manufacturing process of ammonium salts : en fr
  • GB397564A - Improvements relating to banjos, banjo-mandolines and like instruments : en
  • SU31830A1 - Hydraulic turbo generator : en ru
  • US1924540A - Thermostat : en
  • US1924764A - Process of preparing aliphatic carboxylic acids from olefinic hydrocarbons, carbon monoxide and steam : en
  • DE583324C - Process for the production of furfural : de en
  • GB397660A - : en
  • CA335163A - Tool : en fr
  • CA335220A - Electric regulating system : en fr
  • GB397871A - Improvements relating to cigarette cabinets : en
  • DE583212C - Locomotive with a low-lying driver's cab : de en
  • FR42683E - Improvements to vehicle front ends : en fr
  • GB397732A - Means for automatically closing gas valves : en
  • CH163455A - Cattle chain. : de en
  • CH163567A - Photography apparatus with an image carrier that can be moved in relation to the lens. : de en
  • GB397648A - Improvements in method and apparatus for transmitting and receiving television images : en
  • US1924961A - Process for mounting decorations : en
  • CA335287A - Convertible couch : en fr
  • CH163487A - Springless security lock. : de en
  • CA335232A - Dynamo-electric machine : en fr
  • DE583136C - Switching device for connecting a consumer with a specified voltage and type of current to networks of any voltage and type of current via circulating or stationary transformer and conversion devices : de en
  • ES131468A1 - Improvements in obtaining ice colors. : en es
  • GB398212A - Improvements in and relating to self-supporting bags for golf-sticks and other stick-like articles : en
  • PL18658B1 - Sediment electrode for electrostatic precipitators with absorbent cavities. : en pl
  • SU31675A1 - Fluid sampling device : en ru
  • DE583121C - Guillotine cutting device : de en
  • ES130860A1 - Improvements in the manufacture of paper especially smoking. : en es
  • USD90603S - Design fob a textile fabric : en
  • US1924345A - Friction brake : en
  • CH163766A - Process for the production of a wetting agent, washing agent, emulsifying agent and dispersing agent. : de en
  • US1924336A - Bifocal lens : en
  • CH163613A - Process for electric arc welding. : de en
  • DK47680C - Flower holder for table decoration. : da en
  • ES131426A1 - Gasoline carburetor with additional air valve electrically controlled. : en es
  • GB397577A - Sewing machines : en
  • GB397667A - Vaporizing liquid fuel for oil engines : en
  • DE583260C - Method and shaker dryer for practicing the method for drying items of laundry : de en
  • DE583423C - Extension tube, especially for tripods : de en
  • ES131165A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • ES131444A1 - Improvements in the method for manufacturing rubber strips. : en es
  • GB397555A - Improvements in or relating to short wave oscillation generators : en
  • US1924306A - Control apparatus : en
  • US1924907A - Electrical control system : en
  • US1924135A - Dynamo-electric machine : en
  • US1924419A - Bin gate : en
  • US1924562A - Bearing mounting for crank shafts and the like : en
  • US1924914A - Absorption system : en
  • US1924528A - Method of welding metals : en
  • PL18653B1 - Electric musical instruments, especially loudspeaker ferUpes, directed by transmitters. : en pl
  • SU31387A1 - Crown : en ru
  • PL18638B1 - An inlay of wrought iron or similar material, for shoes of rubber or other flexible material. : en pl
  • PL18698B1 - A method of splitting heavy hydrocarbons and a device for this purpose. : en pl
  • SU31407A1 - Coke oven : en ru
  • US1924164A - Method of and apparatus for transferring strand-like articles : en
  • DE583303C - Process for the production of adenosine phosphoric acid from animal organs : de en
  • ES130888A1 - A transportable shredder to extract the fiber from the leaves of the Sanseviera agaves and other textile plants. : en es
  • CH163505A - Hooded container. : en fr
  • CH163512A - Twelve-strand strand or twelve-strand rope. : de en
  • US1924922A - Window cleaning apparatus : en
  • US1924118A - Storage and display cabinet : en
  • US1924853A - Alternating current clock : en
  • GB397705A - Improvements in vaporisers for internal combustion engines : en
  • FR751224A - Drive unit for refrigeration unit : en fr
  • FR751348A - A method of manufacturing a rubber-like adhesive mass : en fr
  • US1924806A - Striker plate : en
  • SU31577A1 - Suction chamber for palatine maxillary plate : en ru
  • SU31812A1 - Piece Tray : en ru
  • ES1858U - Steel window (Machine-translation by Google Translate, not legally binding) : en es
  • GB397750A - Improvements in lids or covers for electric accumulator jars : en
  • GB397851A - Improvements in or relating to the purification of gases derived from roasting processes : en
  • US1924856A - Continuous gas manufacture : en
  • FR42673E - Central heating boiler : en fr
  • GB397815A - Improvements in and relating to gas detectors : en
  • US1924631A - Form tie : en
  • US1924658A - Brake and motor tester : en
  • CH163568A - Process for the direct editing of image films. : de en
  • CA335189A - Foldable boat : en fr
  • CH163547A - Process for the preparation of a new sulfonic acid of the anthraquinone series. : de en
  • FR751423A - : fr
  • CA335233A - Electro-pneumatic brake : en fr
  • US1925028A - Heat treating apparatus : en
  • US1925064A - Lock nut : en
  • DE583360C - Vibrating semi-axles formed from resilient articulated quadrilaterals, especially for motor vehicles : de en
  • DE583376C - Pressure vessel for saturating liquids with carbon dioxide : de en
  • US1924290A - Cash register : en
  • PL18556B3 - Machine for digging up potatoes. : en pl
  • PL18722B1 - The method of making molasses mash. : en pl
  • SU31612A1 - The method of obtaining varnishes and pressing products : en ru
  • US1924138A - Control mechanism : en
  • PL18719B1 - The base for a chair, table or other piece of furniture or its height-adjustable part : en pl
  • SU31550A1 - Regenerative air economizer : en ru
  • FR751236A - New aminoanthraquinone sulfochlorides and process for their preparation : en fr
  • FR751358A - Device applicable in particular to moving pictures with a view to obtaining images or photographic patterns different from the objects or subjects photographed : en fr
  • GB397805A - Improvements in or relating to automatic steering apparatus for aircraft : en
  • ES131447A2 - IMPROVEMENTS IN THE PURIFICATION OF METALLIC ZINC : en es
  • GB398249A - Improvements in or relating to electric circuit breakers : en
  • FR751296A - Closure with a top cover making the closure of all round metal packaging watertight : en fr
  • SU31454A1 - Mobile superphosphate chamber : en ru
  • ES131464A1 - A machine for the manufacture of cookies and similar products. : en es
  • GB397565A - Improvements in, or relating to, electro-plating and other vats, tanks, and like vessels : en
  • FR751328A - Clockwork mechanism : en fr
  • ES131439A1 - PROCEDURE FOR THE MANUFACTURE OF SAFETY GLASS : en es
  • FR751284A - Process for extracting acetylene from a gas mixture : en fr
  • GB397793A - Improvements in and relating to electrically driven machines for producing mesh fabric and particularly to knitting machines : en
  • FR751324A - New intermediate products and new coloring matters derived from them : en fr
  • IE12685L - Ticket printing and issuing machine : en
  • DK47698C - Smaller Magnetoelectric Machine. : da en
  • FR751319A - Indicator needle pressure gauge actuated by means of a toothed wheel rotating in a sliding bearing : en fr
  • DE583253C - Process for the production of pure white or colored artificial stones, especially tiles, slabs made of lime and fillers : de en
  • FR751182A - Floating building : en fr
  • GB397580A - A machine for conditioning sand and the like : en
  • ES130347A2 - IMPROVEMENTS IN THE MAIN PATENT : en es
  • FR751149A - Steam inlet and outlet device for drying cylinders of paper machines and similar rotary apparatus : en fr
  • FR751234A - Instrument enhancements for supporting and handling utensils, including pots and pans and hot dishes : en fr
  • FR751285A - Device for illuminating microscopic objects by means of incident light : en fr
  • FR751261A - Method and device for recording and projecting images on lenticular films : en fr
  • FR751139A - Guillotine window : en fr
  • FR751213A - Assembly part for the ends of the metal strapping wires and tools for fixing this part : en fr
  • ES131378A1 - A process for the production of chromatic coloring matters. : en es
  • FR751375A - Reinforced piston for internal combustion engines and other applications : en fr
  • ES130738A1 - Perfections introduced in sharp sharpening discs. : en es
  • ES131345A1 - An elastic wheel for vehicles. : en es
  • FR751374A - Mobile roofing device for motor cars and other applications : en fr
  • GB397668A - Automatic byepass for hydro-electric steering apparatus : en
  • FR751245A - Centrifugal-controlled automatic gearbox changer : en fr
  • FR751270A - Partialization and reversal device for rotary cylinder pumps : en fr
  • FR751351A - Further development of talking machine disc cases : en fr
  • ES130750A1 - Improvements in the treatment of hydrocarbon oils. : en es
  • FR42681E - Improvements to fire extinguishers : en fr
  • FR751175A - Shirt cuff : en fr
  • PL18681B1 - Method of obtaining substituted tetrazole - 5 - carbonic acid amides. : en pl
  • SU31735A1 - Conductor for drilling holes in the flanges : en ru
  • US1924481A - Landing gear assembly : en
  • US1924550A - De los e : en
  • US1924854A - Musical instrument : en
  • US1924997A - Combined mirror and timepiece : en
  • US1924190A - Voltage control for variable speed generators : en
  • US1924474A - Apparatus for insulating electrical resistor elements : en
  • US1924536A - Apparatus for subdividing material : en
  • USRE18929E - Rotary furnace : en
  • CH163764A - Process for the preparation of a mixture of higher alcohols. : de en
  • ES131286A3 - Improvements in the mechanical manufacture of electric bulbs. : en es
  • FR751397A - Improvements to electric accumulators : en fr
  • CA335303A - Soap product : en fr
  • GB397778A - Improvements in carburetters for internal combustion engines : en
  • FR751291A - Operating table : en fr
  • CH163614A - Device for electrical welding. : de en
  • GB397724A - Improvements in and relating to bunch rolling and shaping mechanism for cigar makingmachines : en
  • ES130557A1 - Claims apparatus light with change of the luminous image. : en es
  • DE571008C - Box for sanitary towels : de en
  • DE583071C - Process for the production of water-soluble sulfuric acid esters of the leuco compounds of Kuepen dyes : de en
  • ES131410A1 - A procedure for the recovery of compression work in the manufacture of nitric acid under pressure. : en es
  • GB397776A - Improvements in and relating to the treatment of coffee beans : en
  • DE568134C - Device for lubricating refrigeration machines : de en
  • DE583147C - Air discharge and leakage liquid discharge device in piston type liquid meters : de en
  • US1924422A - Valve construction : en
  • US1924727A - Aluminum alloy : en
  • ES131501A1 - A pump for oil or other combustible liquids. : en es
  • FR751329A - Automatic feeder for printing machines : en fr
  • DE583106C - Process for the direct production of mixtures of calcium chlorate and sodium chlorate : de en
  • FR751113A - Spraying device for liquid fuels for internal combustion engines : en fr
  • GB397606A - Improvements in lockers for bedside use : en
  • DE583293C - Car roof, especially for motor vehicles : de en
  • DE583326C - Method for true-to-form transmission of currents that fluctuate greatly in their amplitude : de en
  • DE583396C - Production of sodium carbonate or hydroxide with the byproduction of ammonia or ammonium salts : de en
  • FR751221A - Filters for vacuum cleaning devices : en fr
  • GB397758A - Contact making device for electric pocket lamps : en
  • GB397703A - Improvements in and relating to wrappers or pouches : en
  • GB397559A - An improved key-escutcheon-plate for use in connection with nozzle night latches : en
  • FR751185A - Improvements to frames for seats convertible into beds : en fr
  • GB397642A - Improvements in and relating to speed recording appliances : en
  • GB397669A - Improvements in or relating to the manufacture of rubber soles from discarded tyre covers and tubes : en
  • FR751161A - Process for the manufacture of molding compositions by the condensation of phenols with formaldehyde or with materials yielding formaldehyde : en fr
  • FR751435A - : fr
  • US1924488A - Conveyer system : en
  • US1924822A - Cell feed : en
  • SU31658A1 - Thermocouple : en ru
  • US1924812A - Pressure fluid operated tool : en
  • DE583340C - Household machine : de en
  • ES131374A1 - Machine for wrapping oranges and fruits. : en es
  • FR751305A - New tar varnish : en fr
  • SU31691A1 - The device for registration of the tractor : en ru
  • SU31734A1 - Device for finishing turning curved surfaces on turret machines : en ru
  • PL18673B1 - A device for the initial teaching of calculus for the first ten. : en pl
  • US1924181A - Roofing and process of manufacturing same : en
  • US1924545A - Drop hammer : en
  • ES131537A1 - A machine for labeling or marking tissue edges. : en es
  • PL18585B1 - A method of obtaining hydrogen or mixtures containing hydrogen from hydrocarbons such as methane, ethane, ethylene or similar gaseous hydrocarbon mixtures. : en pl
  • PL18639B1 - The method of producing Thomas' zuzla. : en pl
  • SU31399A1 - Manual flaring for machining nipples when collecting sectional boilers : en ru
  • SU31784A1 - Floating dock : en ru
  • US1924845A - Sealing tool : en
  • SU31584A1 - The method of manufacturing cement, plaster and cement-plaster models and forms for the manufacture of : en ru
  • SU31780A1 - Trailer for motorcycle : en ru
  • US1924453A - Process of manufacturing iron tetracarbonyl : en
  • US1924966A - Pipe section : en
  • SU31383A1 - Shock drilling machine : en ru
  • US1924660A - Pulp making process : en
  • CH163767A - Process for the preparation of a wetting agent, washing agent, emulsifying agent and dispersing agent. : de en
  • DK47706C - Apparatus for Evaporation, Drying or Condensation of Liquid or Sludge Materials, In particular Cement Sludge. : da en
  • SE78206C1 - Apparatus for administering dental anesthesia by cooling by spraying a gaseous mixture of leftovers and a coolant : en sv
  • SU31420A1 - The method of obtaining colloidal sulfur : en ru
  • US1924133A - Transplanter : en
  • US1924492A - Burlap bag : en
  • CH163516A - Twist device for high-performance spindle plating machines. : de en
  • FR751303A - tear powder ejector : en fr
  • ES1635U - Closing device for all kinds of bags, cartridges or appropriate wrappers, paper or other suitable material. (Machine-translation by Google Translate, not legally binding) : en es
  • US1924123A - Means for feeding pulverized fuel to furnaces : en
  • US1924874A - Method of making dental castings and composition employed in said method : en
  • US1924943A - Water faucet : en
  • PL18675B1 - The method of obtaining and improving artificial resins. : en pl
  • US1924416A - Offset harrow : en
  • CA335307A - Bucket : en fr
  • AU882332A - Improvements in or relating to skiving machines : en
  • PL18720B1 - Cigarettes, thimbles therefor, cigars and other tobacco products, and smoking articles. : en pl
  • SU31592A1 - Floor cleaning machine : en ru
  • CH163521A - Process for the manufacture of rubber soles to be attached to footwear. : de en
  • SU31449A1 - Boiler for steam and gas mixture : en ru
  • FR751280A - Method for removing loads from the walls of very high vacuum cathode ray tubes : en fr
  • CH163707A - Calculator. : en fr
  • ES131381A3 - An automatic machine for the arrest of knitted articles. : en es
  • US1924288A - Printing press : en
  • US1924519A - Treatment of minerals : en
  • US1924623A - Refinement of cellulose fiber : en
  • GB398167A - Improvements in or relating to food for animals : en
  • SU31622A1 - Instrument for determining the inclination angle of the suspended wire sections : en ru
  • US1924151A - Method for the manufacture of beryllium and beryllium alloys : en
  • DE583436C - Illuminated advertising device : de en
  • ES131479A1 - An apparatus with rocker wheel for the asynchronous driving of fruits and other objects. : en es
  • ES131488A1 - An apparatus to prevent the wheels in any application they have, can pass over, attract or run over anything or person. : en es
  • DE583086C - Reducing valve : de en
  • ES131407A1 - An elevator of intensity. : en es
  • FR42663E - Improvements to the frames of panels of all kinds by joined tubes : en fr
  • FR751308A - Louver : en fr
  • GB397686A - Improvements in electro-magnetic pumps with vibratory movement for gaseous fluids : en
  • ES130990A1 - A process for making potassium oxalate of potassium formate. : en es
  • GB397529A - Improvements in machines for grinding, sharpening and polishing cutting tools and inmethods of using such machines : en
  • ES131404A1 - Coffee machine to produce espresso coffee, that is, reconcentrated. : en es
  • ES131531A1 - A machine for the automatic production of force. : en es
  • DE583117C - Process for the production of a waterproof cellulose hydrate skin : de en
  • DK47705C - Device for Pipe Fittings or Pipe Couplings. : da en
  • US1924366A - Reactor : en
  • US1924579A - Rubber cap-wrench : en
  • US1924732A - Bedstead : en
  • ES1662U - Collector for soot. (Machine-translation by Google Translate, not legally binding) : en es
  • GB397633A - Improvements in furnace grates : en
  • DE583375C - Packaging for flat objects, which consists of a zigzag folded strip : de en
  • ES131389A3 - Procedure for the manufacture of solid products to tan or darken the skin. : en es
  • FR751160A - Process for the preparation of acetic acid : en fr
  • FR751381A - Balance weighing currency : en fr
  • SU31619A1 - Washing machine for felt : en ru
  • DE582164C - Process for the production of synthetic resins : de en
  • DE583345C - Internal combustion engine with pistons running in opposite directions in two opposite cylinders and with a thrust cam gear : de en
  • DE583385C - A membrane consisting of stiffened, resiliently connected surface parts : de en
  • FR751278A - Roasted coffee and its production process : en fr
  • SU31653A1 - Device for recording sounds on cinema tape : en ru
  • US1924677A - Fabric and method of treating the same : en
  • DE583349C - Process to improve the rust-protecting phosphate coatings on iron objects : de en
  • ES131514A3 - A device cuts tacks. : en es
  • ES131529A2 - IMPROVEMENTS IN STEAM BOILER WITH ELECTRIC HEATER FOR ALTERNATING CURRENT HEATING : en es
  • GB397729A - Improvements in or relating to annealing furnaces : en
  • ES131415A3 - An electrical connection system. : en es
  • GB397623A - A method of cutting or sawing through blocks of sheets of paper : en
  • SU31803A1 - Fixture for mounting the height of a suspended shield for a punching bag : en ru
  • US1924161A - Flexible track : en
  • US1924843A - Internal combustion engine : en
  • US1925078A - Power plant : en
  • FR751349A - Toothbrush with reservoir : en fr
  • US1924458A - Motor control circuit : en
  • US1924356A - Emergency valve : en
  • DE583222C - Electric incandescent lamp or discharge tube, in which a movement of the screw sleeve against the lamp bulb is possible : de en
  • GB397599A - Improvements in or relating to bridge piers : en
  • CH163657A - Method of attaching the caps to insulators of the cap-bolt or double-cap type. : de en
  • DK47679C - Foldable hat box, especially for men's hats. : da en
  • ES131483A1 - NEW PHOTOGRAPHIC APPARATUS SYSTEM : en es
  • CA335272A - Control switch : en fr
  • GB397545A - Ribbon mechanism for calculating machines, typewriters and the like machines : en
  • ES131373A1 - Procedure for conservation of edible products. : en es
  • GB397833A - Improvements in or relating to automatic prepayment apparatus : en
  • ES131413A1 - Improvements in the lighting devices that allow an object to be perfectly visible both day and night. : en es
  • ES1789U - Device for driving tube plugs. (Machine-translation by Google Translate, not legally binding) : en es
  • DK47694C - Plow iron. : da en
  • US1924763A - Preparation of carboxylic acids : en
  • GB397903A - Improvements relating to hot beds for rolling mills : en
  • DE583134C - Switching arrangement for staircase clocks with additional circuit, z. B. for house number lighting : de en
  • DK47689C - Device for mechanical transfer of a cigar wrapper from the wrapper device to the mold. : da en
  • FR751107A - Device to ensure absolute safety of passengers at sea on all ships, airships and airplanes : en fr
  • ES130924A1 - A procedure to establish the vines or fences of espadrilles and similar footwear so that their sewing is invisible. : en es
  • DE583162C - Device for the production of multiple paper or cardboard with single-cylinder units arranged one behind the other : de en
  • ES130866A1 - A special procedure for the manufacture of shortening. : en es
  • ES131387A3 - Improvements in equipment for retreading tire covers. : en es
  • GB397738A - Improvements in rolls for cold rolling operations : en
  • SU31499A1 - Device for cooling electric shock instruments and other machines : en ru
  • SU31505A1 - Electrodynamic measuring device : en ru
  • SU31621A1 - Micrometer : en ru
  • SU31776A1 - Wagon for transporting logs, pipes and similar long loads : en ru
  • US1924891A - Method of making pipe structures : en
  • SU31766A1 - The method of exorcism scales : en ru
  • PL18548B1 - Packing machine * : en pl
  • FR751271A - Gasoline lighter : en fr
  • FR751371A - Automatic needle handling device for marshalling yards : en fr
  • DE583428C - Additional gear for changing the piston stroke in internal combustion engines : de en
  • US1924682A - Tube end cleaner : en
  • US1924736A - Method of truing gears : en
  • DE583098C - Shotgun barrel : de en
  • CA335263A - Branding device : en fr
  • CH163662A - Contact facility. : de en
  • DE583114C - Charging device for horizontal degassing rooms by means of centrifugal machines : de en
  • SU31664A1 - Apparatus for hydraulic testing of fabrics : en ru
  • SU31767A1 - Impermeable protective layer : en ru
  • US1924352A - Sidewalk sign : en
  • US1924409A - Heated die for drying fibrous articles : en
  • US1924931A - Pulsator for milking machines : en
  • US1924933A - Sock form : en
  • USRE18926E - barringer : en
  • SU31593A1 - Lifting device : en ru
  • SU31794A1 - AC electric bell : en ru
  • DE583277C - Process for improving the aging properties of plastic masses made from dihaloparaffins and polysulfides : de en
  • DE583346C - Carburettor for light and heavy oil : de en
  • ES131453A3 - A method of manufacturing warp beams. : en es
  • GB397616A - Improvements in and relating to tiled curbs, tiled fireplaces, and tiled slabbed hearths : en
  • US1924103A - Squirrel-cage rotor : en
  • SU31770A1 - Adaptation to the pump to obtain the oscillatory movement of the working air : en ru
  • US1924454A - Automatic switch for use in telephone or like systems : en
  • ES130095A3 - Improvement in the manufacture of containers or boxes. : en es
  • FR751372A - Method and device for automatically locking the landing doors of elevators during operation : en fr
  • FR751353A - Drive mechanism : en fr
  • GB397594A - Imitation fuel : en
  • SU31475A1 - Phone Finder for Automatic Stations : en ru
  • SU31525A1 - The method of obtaining sulfur dyes : en ru
  • SU31395A1 - Grab scraper : en ru
  • SU31805A1 - A method of making incendiary mass for matches : en ru
  • US1924337A - troupa : en
  • US1924591A - Loud speaker mounting : en
  • US1924857A - Wireless controlled automatic pilot : en
  • US1925076A - Cleaning and regenerating compound for electronic tubes : en
  • CA335175A - Ventilating system : en fr
  • CH163777A - Calculating machines with result and memory counter and with a device for automatic rounding up and down of the calculation result. : de en
  • DE583441C - Clutch gear for outboard motors : de en
  • DK47697C - Procedure for Manufacturing Ring Brushes. : da en
  • FR751292A - Signaling system for road : en fr
  • FR751352A - Improvement of ski boots : en fr
  • CA335299A - Motor vehicle accessory system : en fr
  • ES1868U - Welding burner of two or more flames. (Machine-translation by Google Translate, not legally binding) : en es
  • GB397737A - Improvements relating to the pressing of clay thimbles used for holding pottery in kilns : en
  • GB397767A - Improvements in or relating to winding, hauling, hoisting and like gear : en
  • DE583271C - Pit fan in which the output can be changed by means of an axially adjustable wall that fits around the blades : de en
  • ES131066A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • DE583330C - Device for operational refilling of switching fluid for electrical switches : de en
  • SU31414A1 - Peat extraction method : en ru
  • US1924188A - Rotary valve for internal combustion engines : en
  • US1924506A - Safety mechanism for elevators : en
  • ES130691A1 - An improvement in the manufacture of paper tubes for spinning. : en es
  • FR751253A - Convertible seats : en fr
  • DE583177C - Circular pushing device for billiard balls that can be rotated around its central axis : de en
  • FR751364A - Improvements to the method of attaching v-masts to aircraft : en fr
  • GB397731A - Improvements connected with holders for casserole or like dishes : en
  • US1924580A - Process for sealing laminated glass : en
  • US1924609A - Cylindrical and the like container made of composite materials : en
  • US1924701A - Process for producing flexible shafts : en
  • US1924731A - Supply mechanism : en
  • US1924760A - Method of pressing and packing tobacco with natural finish : en
  • SU31501A1 - Synchronous machine : en ru
  • SU31600A1 - A device for clamping and moving a chart for determining the relative humidity of the air from the temperature difference between dry and wet thermometers : en ru
  • US1925039A - Television apparatus : en
  • CH163711A - Volume control device. : de en
  • SU31679A1 - Adaptation for scheduling trains : en ru
  • US1924637A - Discharge mechanism for fluid under high pressure : en
  • SU31472A1 - Speaker : en ru
  • US1924107A - Zinc chlorate weedkiller : en
  • US1924494A - Refrigerating trunk for automobiles : en
  • DE583220C - Device for automatic parallel connection of two alternating current networks or machines : de en
  • DE583426C - Indexing mechanism, especially for counters on dispensing devices : de en
  • FR42685E - Hair waving device : en fr
  • SU31496A1 - Apparatus for reducing the current strength of an unbalanced short circuit of a multi-phase electrical line : en ru
  • SU31694A1 - Harvesting machine : en ru
  • SU31393A1 - Soft heading machine : en ru
  • SU31826A1 - Electric hammer : en ru
  • SU31839A1 - The method of attachment of electric welding bandage to the center of the wheel of a railway carriage : en ru
  • US1924698A - Alkylated acidyl polyalkylene polyamines : en
  • AU1413733A - Improvements relating to screen grid valves with compensated resistance : en
  • AU882132A - Improvements in or relating to dust extracting devices : en
  • SU31669A1 - The method of determining the content of husk in oil cakes : en ru
  • US1924613A - Brake : en
  • US1924875A - Shrouded synchronizer : en
  • CH163652A - Compression refrigeration machine driven by an electric motor. : de en
  • CH163480A - A method of manufacturing solid bodies for construction, decoration, ornamentation, etc., and a body obtained by this method. : en fr
  • DE583025C - Film drive : de en
  • FR42672E - Device used to hold horses' feet for shoeing : en fr
  • FR751136A - Improvements made to the fuel tanks of locomotive vehicles, also applicable to all receptacles for combustible materials : en fr
  • GB397680A - Improvements in high-pressure metal vapour arc lamps : en
  • CA335201A - Milk bottle container : en fr
  • US1924154A - Paper machine and process of making paper : en
  • US1924807A - Guide roll mount : en
  • US1924516A - Means for converting motion and the like : en
  • PL18612B1 - A method of separating gaseous or liquid solid materials from centers and a device for carrying out this method. : en pl
  • US1924334A - Electrical and mechanical connection : en
  • FR751251A - Improvements to dies used for the formation of the eye of block letters : en fr
  • US1924903A - Consumer package of meat products : en
  • US1924936A - Furnace construction : en
  • SU31752A1 - Grid part of paper machine : en ru
  • ES130903A1 - A process for the manufacture of insecticides based on fish oils of all kinds. : en es
  • ES131419A3 - A procedure for the manufacture of a chemical product for the purification of wines, waters and oils. : en es
  • FR751378A - Cash dispenser with advance payment : en fr
  • CH163529A - Process for the manufacture of a food, installation for its implementation and food obtained by this process. : en fr
  • FR42675E - Detachable eyelet for shoe laces, cords, etc. : en fr
  • FR751318A - Process for making shoes of all kinds : en fr
  • GB397740A - Improvements in photographic plates or films : en
  • SU31432A1 - The method of producing methyl and ethyl amide salicylacetate : en ru
  • SU31758A1 - Device for automatically obtaining positive prints : en ru
  • US1925077A - Corn picker and husker : en
  • SU31544A1 - Gas generator for motor carts : en ru
  • PL18703B1 - Manufacture of artificial leather. : en pl
  • US1924318A - Thermionic device : en
  • US1924440A - Log turner : en
  • ES131343A1 - A new automatic device for the disinfection and constant deodorization of water in the devices and bowls of toilets and the like. : en es
  • SU31543A1 - Air nozzle : en ru
  • SU31594A1 - Cable crane : en ru
  • SU31659A1 - Device for recording the amount of heat given off by the coolant : en ru
  • FR751116A - Self-tightening fitting or device for cleaning brush handles : en fr
  • FR751146A - Processes for the preparation of soluble cellulose esters, products resulting therefrom and applications thereof, in particular as antihalation layers for photographic films : en fr
  • IE12965L - Electrical animal-stunning implement. : en
  • FR751133A - Improvements to devices for dispensing gummed paper in strips, for example for packaging : en fr
  • GB397877A - Improvements in or relating to electric gramophone motors : en
  • FR751362A - Servo-controlled device for braking motor vehicles and other applications : en fr
  • ES130908A3 - Process for the manufacture of rolled products of copper plated steel or its alloys. : en es
  • SU31530A1 - The method of obtaining varnishes : en ru
  • SU31855A1 - The method of cleaning the internal surfaces of pipes : en ru
  • US1924242A - Closure cap securing device for containers : en
  • US1924112A - Brake construction : en
  • US1924265A - Denture : en
  • US1924382A - Finishing welt : en
  • US1924438A - Strain clamp : en
  • CA335194A - Motion picture camera : en fr
  • CA335197A - Power transmission mechanism : en fr
  • US1924503A - Treatment of complex solutions of salts : en
  • FR42661E - Removable device that can be used as a frame for a camping tent : en fr
  • DE583141C - Process for the manufacture of shaped adsorbents : de en
  • CA335215A - Bag closure : en fr
  • ES130902A1 - Machine perfected to cut the hair. : en es
  • CH163457A - Flat roof. : de en
  • DE583074C - Sink : de en
  • DE583138C - Centrifugal blower or pump with axial inlet and tangential outlet of the agent : de en
  • DE583203C - Washing machine with insertable laundry container : de en
  • US1924291A - Bracket for curtain rods : en
  • US1924312A - Method of concentrating nitric acid : en
  • US1924450A - Door control mechanism : en
  • US1924586A - Shaft and spindle bearing : en
  • PL18607B1 - Method of protecting wool, feathers, bristles, etc. from pests, and the method of producing a suitable agent. : en pl
  • PL18715B1 - Portable oven. : en pl
  • SU31709A1 - Adaptation to carburetors to accelerate the launch of internal combustion engines : en ru
  • SU31825A1 - A device for automatic release to the side when the shuttle is stuck in the throat : en ru
  • BE397793A - Device for maneuvering, locking and controlling lane change points for railways, tramways, etc. : en fr
  • SU31602A1 - Wood Spoon Machine : en ru
  • US1924604A - Draft gear : en
  • BE397890A - Process for dyeing animal fibers : en fr
  • CA335253A - Cellulose ester production : en fr
  • US1924811A - Basket ball backstop : en
  • CA335187A - Relief process : en fr
  • CH163477A - Filter for air purification with a rotating belt made of filter elements. : de en
  • FR751269A - Flashlight with a friction contact attached to a rotating ring : en fr
  • SU31603A1 - Method and apparatus for bonding profiled sheets of plywood to each other : en ru
  • US1924510A - Yarn-support or cop-tube : en
  • DE582892C - Coupling for double folding doors : de en
  • DE583233C - Vehicle wheel with rigid inner wheel hanging on a flexible treadmill : de en
  • US1924097A - Alloy : en
  • US1924894A - Fluid apparatus : en
  • SU31743A1 - Fitting to sewing machines for automatic thread cutting : en ru
  • US1924585A - Paper feeding device for printing presses : en
  • US1924346A - Column pile and method : en
  • SU31433A1 - The method of obtaining furfural : en ru
  • SU31581A1 - The method of drying the organs of animals and the human body : en ru
  • US1924819A - Apparatus for producing gas in coke ovens : en
  • ES131021A1 - A device for the checking and adjustment of the brakes of vehicles, especially automobiles. : en es
  • ES131510A1 - A lock system with a single entry that can be opened and closed with two or more different keys, in order to achieve the manufacture of any number of different locks that in addition to their corresponding key allow to be opened p : en es
  • CH163772A - Process for the preparation of a dye. : de en
  • CH163725A - Advertising system. : de en
  • DE583320C - Precoat filters for liquids and processes for the production of precoat filter sheets : de en
  • GB397690A - Improvements in and relating to the production of artificial resin from resite masses containing a cellulose filling material : en
  • CH163695A - Handle for half stretchers. : de en
  • SU31639A1 - Automatic scales for fluid bodies : en ru
  • US1924108A - Clutch : en
  • US1924876A - Coating refractories with metal : en
  • DK47682C - Device for transmitting pressure-induced movements from one body to another through a tube filled with a continuous row of rod-shaped elements. : da en
  • DE583230C - Photographic camera with range finder : de en
  • CA335277A - Radio gain control : en fr
  • CH163546A - Process for the production of a new azo dye. : de en
  • DE583241C - Removal of carbonic acid and carbon monoxide from gases : de en
  • SU31424A1 - The method of obtaining oxide or aluminum chloride : en ru
  • SU31559A1 - The method of obtaining chromic extract and chrome alum : en ru
  • US1924241A - Mole trap : en
  • US1924846A - Method of treating railroad track members : en
  • SU31565A1 - Method of vacuum washing of viscose silk on bobbins : en ru
  • US1924799A - Eaves-trough clamping tool : en
  • US1924897A - Container : en
  • US1925014A - Conveyer of the belt type : en
  • PL18565B1 - A device for fixing cassettes to fixed discs. : en pl
  • SU31751A1 - A method for preparing kaolin-bitumen emulsion for sizing and impregnating paper, cardboard, etc. : en ru
  • AU1061232A - Improvements in and relating to oil gas generator and process : en
  • US1924662A - Refrigerating apparatus : en
  • US1924302A - Rotatable connecter : en
  • GB397701A - Method of and means for observing the tension occurring, while the nuts are being screwed on, in the jointing bolts of connecting rod big ends : en
  • CH163661A - Multiple break switch with hollow contacts. : de en
  • CH163736A - Device on a motor vehicle for lifting the same. : de en
  • SU31630A1 - Electric recording device for recording temperature and humidity in an incubator : en ru
  • SU31693A1 - The method of adjusting the distance between sockets in rows : en ru
  • US1924205A - Container for shaving cream, tooth paste, and the like : en
  • US1924456A - Intermediate and dyestuff of the dibenzanthrone series : en
  • SU31772A1 - Siphon water lift : en ru
  • US1924198A - Apparatus for and method of producing coke : en
  • US1924783A - Electrical gas daylight holdup protection system : en
  • DE583342C - Anti-aging agent for natural rubber and synthetic rubber-like products : de en
  • GB397586A - Improvements in sliding-clasp fasteners : en
  • US1924553A - Selective tuning device : en
  • US1924639A - Switch mechanism : en
  • US1924681A - Box machine : en
  • DE583235C - Cylindrical grinding device for workpieces made of hard material, for example diamond : de en
  • US1924617A - Latex glove : en
  • DK47687C - Device for automatic gas meters and the like. : da en
  • CH163756A - Automatic route block system with sequence dependency. : de en
  • PL18679B1 - Device for removing fluff when copying stripped films. : en pl
  • SU31650A1 - A device for recording and reproducing sound : en ru
  • PL18666B1 - The way of fixing insulators on shafts and joining individual parts of insulators. : en pl
  • US1924767A - Process for the production of carboxylic acids : en
  • US1924773A - Abrasive disk : en
  • US1924926A - Receptacle protector : en
  • BE397608A - Saving hearth for cookers, stoves and the like : en fr
  • CH163684A - Gas burner device with a main gas valve and a safety device to allow the ignition of the gas burner to be ignited safely. : de en
  • US1924122A - Airplane : en
  • US1924344A - Surface hardened cast iron article of manufacture : en
  • US1924387A - Warp beam : en
  • US1924509A - Corn planter attachment : en
  • US1924530A - Pressure bag for tire molds : en
  • CH163607A - Process for the high-temperature treatment of solid substances in a shaft furnace. : en fr
  • CH163786A - Diesel electric locomotive. : de en
  • DE583175C - Impulse generator for alarm systems, especially fire alarm systems : de en
  • PL18611B1 - A method of obtaining components or groups of components from mixtures of liquids. : en pl
  • US1924612A - Paper drying apparatus of the festoon type : en
  • USRE18927E - Telephone system : en
  • SU31456A1 - Railroad structure : en ru
  • SU31487A1 - Electric switch : en ru
  • US1924252A - Electric switch : en
  • BE397661Q - : fr
  • US1924827A - Production of puffed products : en
  • US1924448A - Threaded spring shackle : en
  • US1924624A - Production controller : en
  • US1924934A - Method of producing esters of resin acids : en
  • US1925044A - Loom : en
  • SU31409A1 - Method for producing coal coke : en ru
  • SU31753A1 - Sectional trap for collecting fiber from wastewater of paper machines : en ru
  • US1924575A - Process of making organic esters : en
  • US1924788A - Device for the heat treating of comminuted materials : en
  • CH163473A - Pipe connector for hot water heating, especially for those whose heat sources are in ovens. : de en
  • FR751219A - Device, in particular press block for the manufacture of tubes, for example lead cable sheaths : en fr
  • GB397830A - Improvements in or relating to physical culture apparatus : en
  • PL18717B1 - Stand with a lock for bicycles or similar vehicles. : en pl
  • US1924324A - Film package : en
  • US1924801A - Concrete building : en
  • USD90587S - Design for a textile fabric or : en
  • ES131423A1 - Procedure for the transmission of signals, news, sounds and images by means of electric waves along any metallic conductor. : en es
  • AU925432A - Improvements in beater type disintegrator and grinder mills : en
  • DE583221C - Automatic synchronizing device : de en
  • ES130164A1 - A procedure to represent texts, figures or marks on photosensitive surfaces or photographic products. : en es
  • CH163634A - Dowel pin for connecting and securing machine and apparatus parts. : de en
  • GB397540A - Improvements relating to the separation of gases from liquids : en
  • FR751260A - Loading device for pneumatic transport systems : en fr
  • FR751158A - Process for the preparation of phenols from halogenated aromatic hydrocarbons : en fr
  • FR751294A - Folding cardboard cage for transporting small animals : en fr
  • GB397601A - Improvements in and relating to apparatus for removing the stoppers of bottles : en
  • GB397789A - Faucet-hole and bung-hole bush for barrels and the like : en
  • GB397806A - Improvements relating to revolving cane-cutting knives : en
  • US1924547A - Golf bag : en
  • US1925043A - Liquid dispensing apparatus : en
  • SU31731A1 - Tool for turning the tires of locomotive ramps without rolling them out of the locomotive : en ru
  • US1924152A - Toothbrush : en
  • FR751169A - Improvements to hand-held fork-lift trucks : en fr
  • DE583145C - Process for the production of self-supporting thin-walled structures, such as threads, tapes, films, discs, from natural rubber : de en
  • ES131455A1 - An improvement in the manufacture of electric lamps. : en es
  • FR751257A - Lifting armchair for performance halls or others : en fr
  • US1924089A - Extension for socket wrenches : en
  • CH163545A - Process for the preparation of an azo dye. : de en
  • CH163587A - Gas meter with several measuring chambers and a creeping control that determines the level of the filling. : de en
  • CH163699A - Process for obtaining a starting material intended for the production of the pure growth-promoting thymus hormone. : de en
  • DE583065C - Electrical device for locating cracks in rails : de en
  • DE583167C - Elastic connecting disk, especially for flexible disk couplings of motor vehicles : de en
  • DE583291C - Device for applying paper stock to the paper machine screen : de en
  • CA335190A - Wall finishing apparatus : en fr
  • CH163541A - Process for the production of a chromium-containing dye. : de en
  • CH163550A - Process for the representation of graphic printing inks. : de en
  • CH163664A - Method for regulating the components of a variable influenced by one adjusting device, in particular for regulating the power output of alternating current generators operating in parallel. : de en
  • US1924429A - Embossed covered picture and process of making same : en
  • US1924950A - Garden tool : en
  • CH163460A - Window with at least one center sash that can be moved horizontally and pivoted about a vertical axis. : de en
  • CH163623A - Shredding machine. : de en
  • CA335214A - Rubber goods manufacture : en fr
  • CA335200A - Wrapper for leather : en fr
  • CH163624A - Grinding wheel. : de en
  • PL18729B1 - Acid-resistant alloys. : en pl
  • SU31698A1 - Method and device for disinfecting soil : en ru
  • US1924315A - Sleep eye shade : en
  • US1924680A - Coil for induction furnaces : en
  • CA335257A - Metal container : en fr
  • DE583404C - Inhibitor for rail vehicles, especially those with rail clearers : de en
  • DE583275C - Locking device for umbrella slide : de en
  • DE583406C - Electrical signal system : de en
  • ES131163A1 - A method of manufacturing a vertical or automatic declining water elevator at great depths and flow rates. : en es
  • CA335288A - Knitting machine device : en fr
  • PL18596B1 - Device for adjusting the thread tension in threading machines. : en pl
  • US1924663A - Footwear and method of making same : en
  • CA335219A - Electric lamp : en fr
  • DE583140C - Flat foot inlay : de en
  • DE583218C - Receiving arrangement for direction finders with rhythmically switchable antennas : de en
  • FR751255A - : fr
  • FR751282A - Internal combustion engine, with variable-volume combustion chamber while the engine is running : en fr
  • FR751356A - Drive speed compensator in synchronized film and sound recording : en fr
  • US1924675A - Pneumatic conveyer : en
  • CH163525A - Kneading and mixing machine. : de en
  • CH163637A - Device for coupling the terminal sleeve of the sheath of a flexible member to the casing of an apparatus to which a rotary movement must be transmitted. : en fr
  • US1924231A - Shock absorber : en
  • SU31716A1 - Collecting mirror for utilizing solar energy : en ru
  • US1924551A - Machine for uniting strips of floor covering or the like to present alpha seamless upper surface : en
  • DE583036C - Process for the production of stilbene dyes : de en
  • DE583285C - Flywheel magnet : de en
  • SU31570A1 - Psychotechnical setup test apparatus : en ru
  • US1924092A - Oil burner head : en
  • SU31527A1 - The method of preparation of mastic for rubbing floors : en ru
  • CA335173A - Motor vehicle testing apparatus : en fr
  • DE583153C - Teaching aids : de en
  • DK47691C - Procedure for the production of hardened shaped bodies of hardenable plastics. : da en
  • US1924905A - Method for heating substances such as gypsum in air currents : en
  • AU1049832A - Ultraviolet light treatment of vulcanized rubber : en
  • SU31471A1 - Device for the collective training of wireless communications : en ru
  • US1924500A - Cheese mold : en
  • US1924558A - Speed control apparatus : en
  • US1924194A - Process of marking coke : en
  • CA335302A - Box : en fr
  • US1924495A - Liquid depth indicator : en
  • US1924350A - Trolling lure : en
  • US1924730A - Combined cigarette, match, and ash holder : en
  • SU31781A1 - Device for laying a second row of logs on a single raft : en ru
  • US1924777A - Limit switch : en
  • PL18713B1 - Gas pressure reducing valve, especially suitable for oxygen rescue devices. : en pl
  • SU31558A1 - The method of impregnation of the skin : en ru
  • SU31792A1 - Retractable Handwheel Lock : en ru
  • SU31796A1 - Depth measuring device : en ru
  • SU31832A1 - Water chain engine : en ru
  • US1924694A - Window and store sash : en
  • PL18696B1 - Method for the production of ammonium nitrate. : en pl
  • PL18614B1 - A method of obtaining hormones from the entire pituitary gland. : en pl
  • PL18652B1 - Water ship. : en pl
  • US1924088A - Roll paper holder : en
  • US1924342A - Delay cap : en
  • ES1850U - Closing for bottles and similar containers, (Machine-translation by Google Translate, not legally binding) : en es
  • DE583028C - Measuring plug : de en
  • GB397902A - Improvements in or relating to electric fires : en
  • DE583079C - Working pit for cars : de en
  • DE583122C - Device to improve the water circulation in water chamber boilers : de en
  • GB397622A - Improvements in broaching machines with hydraulic control : en
  • FR751275A - Process for the manufacture of bornyl oxalates by direct action of anhydrous oxalic acid on the spirit of turpentine : en fr
  • DE556536C - Chiller : de en
  • DK47708C - Procedure for protecting signs or the like painted on the back of glass against moisture and heat. : da en
  • USD90564S - Design for a stereoscope casing : en
  • ES130937A1 - A new method of manufacturing cooked earth. : en es
  • CH163608A - Boron-containing hard metal alloy. : de en
  • FR751102A - Periodic action absorption refrigeration machine : en fr
  • ES131466A3 - An automatic weave change mechanism for binding machines with two cylinders, for heald looms. : en es
  • FR751153A - Constructions mountable by hollow and reinforced interlocking beams, which, superimposed, form a complete elevation wall with exterior and interior plaster, all manufactured in advance : en fr
  • ES131346A2 - IMPROVEMENTS IN GASOLINE, PETROLEUM AND ALCOHOL GASIFIERS : en es
  • DE583096C - Double-digit sole-laying press with air pressure cushions : de en
  • GB397765A - Lathe for turning work of non-circular cross section, for instance workpieces havingthree or more corners and in particular roll ingots : en
  • DE582442C - Control for hoists, such as elevators or the like. : de en
  • DE583201C - Process for the production of smooth double-pitched screws (helix) from thin strip : de en
  • DE583251C - Process for converting rubber into products with the properties of vulcanized sulfur : de en
  • US1924702A - Bill fold : en
  • CH163667A - Protective device for AC systems against earth faults. : de en
  • DE583269C - Device for remote control and remote monitoring of an electrical switch over a single line : de en
  • GB397563A - Improvements in apparatus for measuring electrical resistance : en
  • GB397681A - Arrangement for transmitting topical occurrences to a television sender : en
  • ES131406A1 - Improvements in zinc volatilization. : en es
  • ES131481A1 - Improvements in the treatment of jute fibers. : en es
  • FR42687E - Hygienic bottle teat : en fr
  • ES1763U - Spigots for kitchens and gas appliances. (Machine-translation by Google Translate, not legally binding) : en es
  • USD90570S - Design for a toy rabbit : en
  • PL18663B1 - Door latch. : en pl
  • US1924633A - Starter for engines : en
  • FR751317A - Carburetion process for engines and apparatus allowing the realization : en fr
  • ES130146A1 - Improvements in the manufacture of cambrillones for the manufacture of footwear. : en es
  • FR751138A - Economical cover for ranges and fireplaces : en fr
  • FR751306A - Process for the preparation of tetrazoic compounds : en fr
  • DE583193C - Tar mixer with rotating mixing shaft and swiveling mixing trough : de en
  • FR751155A - Device for suspending and guiding ties in turned-down hard collars : en fr
  • USRE18930E - Refining i : en
  • GB397872A - Method of and means for recording characteristics of voice production : en
  • GB397568A - Improvements in the manufacture of firelighters : en
  • GB397734A - Combined feed water heater and circulater for marine boilers (scotch type) and the like : en
  • FR751173A - Security device and token for all devices or games operating after the introduction of a token or a coin : en fr
  • FR751209A - Gas pressure reloading mechanism type firearm : en fr
  • FR751228A - Hanger : en fr
  • DE583226C - Device for supporting the sacrum and iliac bone as well as the lumbar spine : de en
  • DE583400C - Rotor blade with head and foot widened in such a way that a complete propellant channel is created by lining up two blades, for axially or radially loaded turbines and centrifugal compressors : de en
  • GB397597A - Improvements relating to roller mills for the treatment of grain : en
  • GB397645A - Improvements in and relating to machines for and methods of boring and reboring engine cylinders and the like : en
  • GB397699A - An improved manufacture of artificial resins and resinous products : en
  • FR751357A - Device for the continuous renewal of glass in a drawing capacity attached to a glass furnace : en fr
  • FR42682E - Vibrating screen mounted on tires : en fr
  • FR751156A - Electric arc in vacuum with very intense light, rich in violet and ultra-violet radiations : en fr
  • GB397818A - Improvements in and relating to card index files : en
  • CH163749A - Anti-skid device for the wheel tires of motor vehicles. : de en
  • FR751451A - : fr
  • US1924498A - Flush out fitting : en
  • FR751286A - Catalytic synthesis process of amines : en fr
  • GB397819A - Manufacture of metal tubes : en
  • FR751297A - Push button control for elevators and the like : en fr
  • GB397604A - Apparatus for measuring liquids contained in portable vessels : en
  • SU31426A1 - The method of obtaining aluminum chloride : en ru
  • US1924317A - Mechanism for controlling pressure and feed of tools of rotary well drilling rigs : en
  • US1924684A - Rail joint : en
  • US1924839A - Method and machinery for drawing wire : en
  • USD90573S - Design for an autographic register : en
  • ES131383A1 - New device to keep the arcade of the "jacquard" frames of the knitting machines in tension. : en es
  • ES131540A1 - A perfection in the devices to automatically stop the loom in motion when the shuttle does not properly enter the extreme parts of the batán. : en es
  • GB397854A - Improvements in and relating to billing-typewriters or like machines : en
  • PL18554B1 - Paddle wheel. : en pl
  • PL18701B1 - Device for dropping air bombs in a secured or unsecured condition. : en pl
  • GB397782A - Improvements in or relating to piston rings : en
  • FR751355A - Preparation of a versatile fertilizer based on activated humic acid with high biogenetic power : en fr
  • SU31705A1 - Device for cooling revolving engines : en ru
  • SU31744A1 - Adaptation to sewing machines for hair dressing when sewing fur skins : en ru
  • US1924125A - Orifice meter : en
  • GB397717A - A process for improving lubricating oils : en
  • FR751162A - Packaging, such as bag, for all applications : en fr
  • GB397608A - Improvements in or relating to knitted fabrics and knitting machines therefor : en
  • GB397733A - Improvements in electric motor control systems : en
  • SU31381A1 - Camp kitchen : en ru
  • US1924738A - Hydraulic power transmission and metering device therefor : en
  • US1924755A - Ledger card : en
  • SU31379A1 - Continuously operating centrofuge : en ru
  • US1924207A - Brooder : en
  • US1924274A - Baffle for furnaces : en
  • USD90612S - Design for a lighting fixture : en
  • ES130439A1 - A hygienic defense device for telephone receivers and the like. [GOES TO UTILITY MODEL Nº 1847]. : en es
  • FR751190A - AC motor control system : en fr
  • GB397796A - Improvements in electrical switchgear : en
  • GB397883A - Manufacture of cyclohexyl-cyclohexanol and homologues thereof : en
  • GB397663A - Improvements in or relating to taps or cocks : en
  • FR751298A - Concrete base for posts, and its manufacturing process : en fr
  • PL18622B1 - Kir 47 f, ibT Gland packing for piston rods and shafts of steam and other machines. : en pl
  • SU31806A1 - The method of primary processing of leaf tobacco : en ru
  • US1924984A - Multiwheel road vehicle : en
  • US1924202A - Sack packer : en
  • US1924326A - Bearing for eccentrics : en
  • DE583210C - Device for hardening of iron : de en
  • CH163515A - Lace-making machine with drive plates that are only rotated as required and lockable in the rest positions. : de en
  • GB397685A - Improvements in or relating to vehicle wheels : en
  • ES131473A1 - Machine for dyeing skeins. : en es
  • FR42651E - Improvements to starters and starting circuits : en fr
  • PL18568B1 - Mine stamp. : en pl
  • US1924316A - Method of making diaphragms : en
  • CA335264A - Hydrocarbon production : en fr
  • US1924947A - Stabilized egg product : en
  • US1924992A - Tow line and method of making same : en
  • US1925037A - Tire chain : en
  • CH163622A - Portable machine for debarking logs. : de en
  • CH163670A - Overcurrent switch. : de en
  • ES131349A3 - Improvements in the manufacture of electric irons to verify all kinds of ironing. : en es
  • ES131459A1 - Perfeccionamientos in the circular knitting machines. : en es
  • PL18630B1 - A device for reproducing optical and acoustic phenomena accompanying shooting during combat. : en pl
  • SU31700A1 - Combustion chambers for internal combustion engines : en ru
  • SU31817A1 - Device for unloading timber from water : en ru
  • SU31406A1 - Coke oven : en ru
  • US1924476A - Method of cutting gears : en
  • DE583228C - Vorwerkstueck for the production of slotted piston rings : de en
  • US1924444A - Vat dyestuff and method for its production : en
  • CH163539A - Process for the production of a new azo dye. : de en
  • PL18561B1 - Automatic water gauge. : en pl
  • US1924269A - Shock absorbing wheel : en
  • US1924644A - Lawn roller : en
  • FR751302A - Lid opener for boxes : en fr
  • PL18563B1 - Termite, ignited by water and moisture. : en pl
  • US1924673A - Pump for centralized lubricating systems : en
  • SU31518A1 - Carousel type machine for electric soldering of contacts : en ru
  • US1924128A - Change speed gear : en
  • US1924989A - Packing house bench : en
  • US1925013A - Process for distilling petroleum hydrocarbons : en
  • US1925040A - Radial gas engine demonstrator : en
  • SU31573A1 - Forceps for squeezing trachomatous grains : en ru
  • DE583164C - Ventilation device : de en
  • ES131348A1 - Receiving connection to produce a fluctuating frequency. : en es
  • FR751307A - Process for making compositions containing rubber or the like : en fr
  • US1924247A - Electric protective system and relay for use therein : en
  • US1924424A - Fishing tool for wells : en
  • CH163496A - Anti-glare, clear cover. : de en
  • FR751288A - Apparatus for dispensing measured quantities of liquid : en fr
  • FR42689E - Improvements to electrical devices to produce pulses, especially at low frequencies : en fr
  • SU31610A1 - Method of making ganalite : en ru
  • SU31769A1 - Flashlight for photographic laboratories : en ru
  • US1924860A - Apparatus for bleaching pulp : en
  • SU31665A1 - The method of checking cans for tightness : en ru
  • US1924355A - Belt : en
  • US1924887A - Inserted cutting blade lock : en
  • ES131369A1 - Improvements introduced in the single shot precision pistols. : en es
  • ES131474A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT : en es
  • GB397619A - Improvements in or relating to electric snap switches : en
  • GB397727A - Process for treating coffee beans : en
  • GB397774A - Improvements in luminous electric discharge tubes : en
  • DE570723C - Signal and alarm device : de en
  • DK47696C - Electron discharge tube. : da en
  • DE583417C - Purification process working under cooling effect for gases from coking plants, gas establishments, heavy-duty plants o. : de en
  • FR751144A - Improvements made to the torpedo launching facilities located above the water on board warships operating on the surface : en fr
  • FR751380A - Semi-automatic gasoline lighter : en fr
  • DE583242C - Process for the production of acrylic acid : de en
  • US1924335A - Safety razor : en
  • US1924489A - Ventilating apparatus : en
  • SU31739A1 - Tool for holding the blank during forging : en ru
  • SU31775A1 - Device for automatic start and stop of electric pumps and compressors : en ru
  • DE583314C - Method and device for the production of chenille goods and cut strips therefrom : de en
  • DE583438C - Frame, especially for single-axle trailers for motor vehicles : de en
  • FR751436A - : fr
  • GB397807A - Improvements in and relating to electro-hydraulic operating mechanism : en
  • USD90581S - Design for a portable electric : en
  • CH163656A - Junction box. : de en
  • US1924432A - Washer brush and holder : en
  • DE583295C - Holder for paving slats and row planks on scaffolding : de en
  • PL18608B1 - Non-flammable film for photographic purposes. : en pl
  • SU31498A1 - Reactor : en ru
  • FR751130A - Cylindrical inking device for printing machine : en fr
  • SU31531A1 - The method of preparation of thin sections for microscopic studies : en ru
  • US1924186A - Shuttle checking mechanism : en
  • US1925073A - Vibration damper for crank shafts : en
  • PL18579B1 - : en pl
  • AU882632A - Improved visible dip-measure apparatus for petrol tanks andthe like : en
  • CH163678A - Equipment on mercury vapor rectifiers for the power supply to the metallic control grids assigned to the anodes. : de en
  • PL18610B1 - Color filter for cinematographic photos in natural colors. : en pl
  • PL18649B1 - Photo and projection camera. : en pl
  • DE583265C - Hand lever brake, especially for rail vehicles : de en
  • SU31778A1 - Shock Absorber For Automobile Chuck : en ru
  • US1924669A - Roller side bearing : en
  • GB397747A - Improvements in food-carriers : en
  • US1924565A - Printing register : en
  • US1925071A - Internal combustion engine : en
  • US1924296A - Heat treatment of crank shafts : en
  • US1924417A - Valve : en
  • US1924169A - Antiseptic preparation : en
  • US1924428A - Overhead swivel arm for lubricant supply hose : en
  • PL18552B1 - A device for cocking and protecting tennis rackets. : en pl
  • SU31671A1 - Apparatus for determining the amount of oil or fuel oil : en ru
  • USD90565S - Design fob a textile fabric : en
  • CA335172A - Sidewalk edge router : en fr
  • US1924404A - Shock absorber adjusting device : en
  • US1924564A - Parking meter : en
  • US1924695A - Lock washer assembly : en
  • GB397542A - Improvements relating to disc valves : en
  • GB397556A - Improvements relating to reflectors : en
  • SU31546A1 - Device for loading mine furnaces : en ru
  • FR751123A - Process for the manufacture of edible fats, artificial edible fats or other similar substances, in particular margarine : en fr
  • GB397735A - Process for the production of plates of wood pulp or other fibrous materials : en
  • PL18647B1 - A method of preventing the formation of lumps upon the expansion or dissolution of powdered organic substances forming gels. : en pl
  • PL18664B3 - Metal release valve for foundry spray machines. : en pl
  • US1925027A - Recovery of sulphur from gas purifying materials : en
  • CH163479A - Roller for processing plastic materials. : de en
  • CH163732A - Cup-shaped packaging element for candy articles. : en fr
  • US1924167A - Recuperative counter-flow furnace : en
  • US1924300A - Copper oxide rectifier : en
  • US1924999A - Container : en
  • GB397692A - Process of manufacturing soy bean flour : en
  • DE581928C - Device for electrical remote transmission of multi-digit numerical values : de en
  • DE583198C - Process for burning cement, roasting ores and the like like : de en
  • DE583327C - Circuit arrangement for relay with dropout delay : de en
  • DE583113C - Horizontal retort system for the production of gas and coke : de en
  • FR751215A - Energy recovery control with fluid retarders : en fr
  • GB397810A - Improvements in vacuum cleaning apparatus : en
  • ES131408A1 - A procedure for the pre-treatment of aluminum and its alloys, in order to perform electroplating work, and how to apply said procedure. : en es
  • DE583267C - Vacuum high voltage switch : de en
  • ES131460A1 - Procedure to manufacture knitwear with samples or relief drawings in three colors. : en es
  • GB397798A - Improvements in and connected with the production of bas-relief or embossed plaques : en
  • US1924461A - Attachment for aircraft propellers : en
  • US1924883A - Vacuum seal for driers : en
  • US1924341A - Condensing locomotive : en
  • CH163665A - Load switching device for step transformers for high currents. : de en
  • GB397756A - Improvements in bobbin-winding device for sewing machines : en
  • GB397876A - Improvements in or relating to hand-operated machines for casting stereotype plates : en
  • DE583154C - Device for determining the position difference between two synchronously running shafts : de en
  • DE582995C - Form for the production of artificial stones with particularly precise dimensions and completely flat outer walls : de en
  • DE583311C - Small slingshot : de en
  • US1924330A - Protective closure : en
  • US1924725A - Aluminum alloys : en
  • US1924791A - Cuff link : en
  • PL18560B3 - Method of obtaining soluble asymmetric arsenic compounds. : en pl
  • US1924430A - Portable picnic cabinet : en
  • SU31722A1 - Crank wheel : en ru
  • US1925042A - Spool : en
  • SU31800A1 - Span control device : en ru
  • US1924376A - Brake shoe mounting : en
  • US1924418A - Current supply means : en
  • US1924610A - Brake : en
  • US1924618A - Coin slide : en
  • US1924603A - Remote indication apparatus : en
  • US1924751A - Extensible fire ladder : en
  • SU31797A1 - Signal contact device for rolling : en ru
  • US1924652A - Combined weighing scale and loud speaker : en
  • US1924952A - Radiator construction : en
  • DE583045C - Clothing or laundry : de en
  • DE583366C - Windshield cleaner : de en
  • SU31644A1 - Device for automatic change of gramophone plates during continuous operation of a gramophone : en ru
  • US1924844A - Sealing tool : en
  • USD90580S - Design for a cabinet : en
  • FR751148A - Miscellaneous articles of reinforced rubber : en fr
  • FR751129A - Movable numbers or letters for displays : en fr
  • FR751183A - Process for the production of substantive azo dyes : en fr
  • GB397718A - Improvements in or relating to apparatus for truing the grinding discs of grinding machines : en
  • FR751287A - Welded sheet pile connection : en fr
  • FR751361A - : fr
  • GB397635A - Improvements in or relating to electric transformers : en
  • DE583135C - Electric motor driven control device for the rolls of rolling mills : de en
  • GB397698A - Improvements relating to portable lamps : en
  • FR751265A - Process for improving edible flours for making pastry and bakery articles and doughs prepared using these flours : en fr
  • AU882232A - Improvements in or relating to fastener inserting machines : en
  • US1924271A - Can cooling and transferring mechanism : en
  • US1924353A - Hanger for pipes and the like : en
  • CH163589A - Speeding warning device for motor vehicles. : en fr
  • CH163743A - Sand spreading device on automobiles, in particular on trucks. : de en
  • US1924111A - Method for stemming grapes : en
  • US1924262A - Safety razor blade : en
  • FR751195A - Transmission Mechanism : en fr
  • CH163640A - Device for sealing the passage openings for shafts in gear chambers to prevent the lubricant from creeping through. : de en
  • FR751400A - Fitting for the attachment of half-boats used for the establishment of boat bridges : en fr
  • GB397609A - Improvements in and relating to apparatus for effecting the electro-deposition of metals : en
  • FR751369A - Improvements made to projectiles more particularly intended for blowguns : en fr
  • US1924359A - Roll-over scraper : en
  • US1924567A - Vulcanization accelerator : en
  • US1925023A - Safety lock : en
  • US1924890A - Method of preparing gelatin blanks : en
  • SU31645A1 - Keyboard mechanical tool for playing sounds and speech : en ru
  • US1925036A - Engraving machine and the like : en
  • USD90562S - Design for a curtain or the like : en
  • CA335259A - Moulded pulp article : en fr
  • DE583259C - Process for the production of printed effects on knitted fabrics : de en
  • USD90606S - Design for a textile fabric or : en
  • FR751205A - Automatic disengagement with safety device and assembly outside the gearbox for motor vehicles : en fr
  • GB397583A - Improvements in twist grip controls for operation bowden cables of cycles, motor-cycles and the like : en
  • ES131436A1 - A procedure for the production of alkaline cyanides of high percentage, free of sulfides and chlorides. : en es
  • CA335275A - Current tap fitting : en fr
  • CH163514A - Embroidery loom. : en fr
  • FR751299A - Filter or anti-halo layers for photographic plates or films : en fr
  • ES129394A1 - A dough heating device applicable to oil mills. : en es
  • ES1874U - A wheel for chairs and toy store in general for children (Machine-translation by Google Translate, not legally binding) : en es
  • FR751206A - Electric weft feeler for loom : en fr
  • GB397624A - An improved device for cutting or triming the verge of a lawn or the like : en
  • DE583309C - Clamping device for drills : de en
  • US1924711A - Electrical condenser : en
  • SU31438A1 - The method of producing potassium and sodium xanthates : en ru
  • SU31634A1 - Automatic scales for loose bodies : en ru
  • US1924132A - Lingerie strap holder : en
  • US1924561A - Dispensing structure : en
  • DE583422C - Clamp tripod : de en
  • PL18700B3 - A device for serving beer and for preserving its individual ingredients. : en pl
  • SU31423A1 - Sulphate furnace : en ru
  • ES131417A3 - A process for the manufacture of a liquid bleaching product. : en es
  • ES131440A1 - Perfeccionamientos in airplanes with rotating wings. : en es
  • US1924707A - Pump for lubricating apparatus : en
  • SU31768A1 - Light filter : en ru
  • US1924208A - Warp stop motion : en
  • US1924864A - Picture hanger : en
  • US1924923A - Process for making rubber thread : en
  • US1925012A - Well drilling system : en
  • PL18591B1 - Method for obtaining Utopamt. : en pl
  • GB397551A - Improvements in electrical impedance networks and amplifiers : en
  • DE583181C - Arrangement for uninterrupted announcement of the time : de en
  • DE583192C - Tour control resistor for cinema motors : de en
  • FR751188A - Holding device for piston pins of internal combustion engines or others : en fr
  • PL18589B1 - The method of producing etLuhtti derivatives : en pl
  • SU31730A1 - Tool for turning cones on a turret machine : en ru
  • CA335159A - Mineral separator : en fr
  • SU31465A1 - Tool for interlocking air and electric brakes in carts equipped with both brakes : en ru
  • SU31632A1 - Automatic scales for loose bodies : en ru
  • US1924941A - Power transmitting apparatus : en
  • CH163706A - Fire extinguishing bomb. : de en
  • CH163721A - Installation to give signals at predetermined times. : en fr
  • US1924297A - Crystal oscillator and resonator : en
  • US1924744A - Preparation of refractory mortar : en
  • US1924798A - Plastic pipe forming machine : en
  • CH163475A - Central heating radiators. : de en
  • CH163570A - Shutter release for photographic apparatus. : de en
  • GB397634A - Improvements in water-tube boilers : en
  • GB397636A - Sewing machine : en
  • GB397730A - Improvements in water connections for rock drills : en
  • US1924283A - Phonograph : en
  • US1924443A - Halogenation of cyclic compounds : en
  • US1924648A - Preformed abrasive and process of producing the same : en
  • DE583416C - Diaphragm control valve for the automatic supply of water to the carbide in high pressure acetylene devices : de en
  • SU31712A1 - Injector for internal combustion engines : en ru
  • SU31733A1 - Fixture for fixing the processed products : en ru
  • US1924311A - Insulating material : en
  • US1924463A - Ice cream cone machine : en
  • US1924826A - Production of puffed products : en
  • PL18621B1 - A way of increasing the heating value of charcoal and similar porous opal materials. : en pl
  • CA335165A - Railway car hand brake : en fr
  • SU31660A1 - Electric thermometer : en ru
  • US1924719A - Arrangement of nozzle valve for explosion turbines : en
  • US1924743A - Process of preparing refractory material : en
  • CH163557A - Process for treating water to prevent scale and rust formation. : de en
  • CH163617A - Process for the preparation of a metal foil for dividing the same into woven metallic threads. : de en
  • CH163690A - Device for blood testing using test glasses. : de en
  • SU31708A1 - Safety device for internal combustion engines with electric ignition : en ru
  • US1924131A - Voice current repeater circuits : en
  • FR751223A - Refrigeration unit : en fr
  • GB397641A - Improvements in and relating to antifriction bearings : en
  • CA335282A - Folding chair : en fr
  • DE583077C - Gripper : de en
  • ES131546A1 - A procedure for the construction of glass or glass panels. : en es
  • CA335281A - Extractor : en fr
  • SU31506A1 - Oscillographic imaging device : en ru
  • US1924217A - Air and fuel control : en
  • US1924815A - Process of making felt paper pulp : en
  • US1925034A - Prick punching machine : en
  • PL18602B1 - A method of producing pipes or similar items from fusible material, especially glass, and a device for carrying out the method. : en pl
  • US1924835A - Shoe making : en
  • US1924993A - Cigar and method of making same : en
  • DE583180C - Clamping device for centrifugal molds : de en
  • ES131395A1 - Device for varying the lever arm of bicycle pedals at will. : en es
  • DE551245C - Process for the production of zigzag-shaped wires for rollable, articulated wire mesh : de en
  • DE583357C - Track bogie : de en
  • US1924204A - Bedpan cushion : en
  • US1924240A - Compound lumber and method of making same : en
  • PL18728B1 - The method of powdering solids. : en pl
  • SU31684A1 - Shaft speed counter : en ru
  • US1924281A - Liquid seal for gas holders : en
  • US1924906A - Protecting means for rectifiertransformers : en
  • CA335162A - Surgical sewing material : en fr
  • CH163594A - Arrangement for the acquisition of a symmetrical voltage component of a three-phase system. : de en
  • ES131363A3 - A procedure for polishing and sharpening wood and bars of the same material in the desired cross sections. : en es
  • US1925007A - Fusible unit : en
  • US1924182A - Golf bag stand : en
  • US1924392A - Fruit cutting machine : en
  • US1924963A - Store : en
  • SU31451A1 - Condensing unit with surface condenser : en ru
  • SU31421A1 - Method and apparatus for producing sodium sulfide from sodium sulfate : en ru
  • PL18615B3 - Device for pulling glass pipes or rods. : en pl
  • SU31440A1 - Method for producing aldehydes and ketones from petroleum acids : en ru
  • SU31706A1 - Rotary motor or pump : en ru
  • PL18601B1 - Liquid fuel burner for cookers and liquid heaters. : en pl
  • CA335169A - Metal vapour apparatus : en fr
  • CH163733A - Sliding roof for motor vehicles. : de en
  • US1924520A - Distilling pressure converted products by contained heat : en
  • US1924691A - Safety switch : en
  • CA335226A - Meter testing device : en fr
  • CA335298A - Windshield cleaner system : en fr
  • PL18644B1 - Magneto with adjustable voltage, placed in the wheel with a sprocket. : en pl
  • SU31391A1 - A device for extracting stranded perforation drills from boreholes : en ru
  • SU31616A1 - The method of obtaining urea-aldehyde resins : en ru
  • US1924959A - Storage battery apparatus : en
  • USD90584S - Design for a terminal : en
  • US1924370A - Steam heating system : en
  • BE397407A - : en
  • CH163668A - Installation circuit breaker. : de en
  • PL18543B1 - A method of increasing the fat content of milk and a device for carrying out the method. : en pl
  • CH163483A - Schüttsteinseher. : de en
  • US1924599A - Method and apparatus for drawing sheet glass under pressure : en
  • PL18578B1 - Typewriter handheld unit. : en pl
  • US1924962A - Machine for working wheel, roller, and like blanks : en
  • CH163776A - Device for adjusting the brake magnet of electricity meters. : de en
  • GB397639A - Improved apparatus for utilising the energy of low heads of water : en
  • GB397702A - Machine for making snares, for catching hares, rabbits and the like and fish hook traces : en
  • PL18687B1 - Method for producing sulfur dioxide. : en pl
  • SU31564A1 - Apparatus for blending several batches of viscose : en ru
  • SU31448A1 - Steam boiler with direct impact of combustion products on the water supplied to the combustion chamber : en ru
  • SU31720A1 - Bolt bolt : en ru
  • US1924093A - Film reel for cinematograph apparatus : en
  • US1925033A - Method and apparatus for rapid freezing and handling of comestibles : en
  • CH163491A - Cutting disc. : de en
  • SU31389A1 - Gas lift for operation of two horizons : en ru
  • US1924750A - Socket shell construction : en
  • US1924745A - Bobbin : en
  • US1925050A - Molding machine and method of : en
  • CH163744A - Equipment on passenger automobiles, which by means of a door in the rear wall and removable rear seat cushions are also set up for the transport of luggage and goods, to protect the inner walls of the body from damage and soiling. : de en
  • DE555744C - Flash cartridge : de en
  • US1924433A - Stocking : en
  • US1924437A - Chimney flue cover : en
  • SU31459A1 - Adaptation device for increasing the number of coupling points with the rails of the driving and twin wheels of the locomotive : en ru
  • US1924320A - Elevator safety braking system : en
  • AU981732A - Improvements in or relating tothe manufacture of separable fasteners : en
  • US1924361A - Process of treating waste sulphite liquor : en
  • US1924400A - Fuel burner : en
  • CA335160A - Radio telephone signalling system : en fr
  • CA335305A - Propeller mounting : en fr
  • CH163592A - Method and device for measuring the ratio of angular displacements of two rotating shafts. : en fr
  • US1924295A - stiffson : en
  • US1924374A - Shock absorber and thermostat therefor : en
  • CH163680A - Radiation emitting device with a reflector and an electric discharge tube arranged in the latter. : de en
  • CH163745A - Vehicle wheel fixing device. : en fr
  • AU884932A - Improved volume controller or potentiometer for radio receivers : en
  • SU31651A1 - A device for recording and reproducing sound : en ru
  • US1924347A - Machine for cutting coal : en
  • SU31502A1 - Asynchronous squirrel cage motor for driving machine spindles : en ru
  • US1924309A - Shunt phase-balancer : en
  • US1924460A - Table : en
  • DE583094C - Leak bolt : de en
  • DE583279C - Pulsation teat cup : de en
  • FR751198A - New bearing system : en fr
  • CH163692A - Device for adapting a flexible shaft to a small electric motor. : en fr
  • SU31755A1 - Grid part of paper machine : en ru
  • US1924994A - Process and apparatus for coating paper : en
  • US1924308A - Closure cap : en
  • US1924343A - Bicycle basket : en
  • US1924805A - Apparatus for the production of gaseous ozonides : en
  • CA335255A - Engine starter : en fr
  • PL18714B1 - Chamber choke especially for piston rods of compressors and steam machines. : en pl
  • SU31688A1 - Device for measuring movement speed : en ru
  • SU31759A1 - Device for automatically obtaining positive prints : en ru
  • US1924573A - Fibrous web for artificial leathers or the like : en
  • US1924678A - Apparatus for pitting fruit : en
  • USD90567S - Design for a toy rooster : en
  • AU1043432A - Rim locks : en
  • CH163583A - Skiing brush. : de en
  • PL18558B1 - Pressure reducing valve. : en pl
  • PL18727B1 - An insert for mattresses, pillows, upholstered furniture and similar items : en pl
  • SU31422A1 - Method for increasing solar energy evaporation of water from brines of table salt : en ru
  • SU31678A1 - Diagram for determining the relative humidity of the air by the temperature difference between dry and wet thermometers : en ru
  • US1924606A - Electrolytic condenser : en
  • US1924884A - Mounting device for concrete wall structures and the like : en
  • PL18643B1 - Reversing device in the form of a piston slide with a switch in a fluid delivery device. : en pl
  • US1924100A - Drier : en
  • US1924493A - Means for oscillating alpha baby carriage : en
  • FR42696E - Gate valve : en fr
  • GB397746A - Improvements in poultry houses : en
  • FR42695E - Device for automatic arc welding without interruption, with straight coated electrodes : en fr
  • FR751321A - Improvements to removable toys : en fr
  • GB397653A - Improvements in air pre-heaters for furnaces of water tube boilers : en
  • DE583445C - Device for feeding and arranging tablets, etc. : de en
  • GB397888A - Improvements in screwed pipe joints and in fittings relating thereto : en
  • CH163701A - Process for the preparation of an arseno-arsenic compound. : de en
  • GB397831A - Improvements relating to ferritic chromium steel alloys and articles manufactured therefrom : en
  • FR751242A - Process for reforging rail profiles of all types : en fr
  • US1924120A - Ozone applicator : en
  • US1924569A - Automatic feed for hook fasteners : en
  • US1924578A - Metallic receptacle and closure therefor : en
  • CH163669A - Device for protection against overcurrent in multi-phase networks. : de en
  • US1924560A - Method of forming ditch linings : en
  • US1924831A - Valve locking means : en
  • CH163713A - Telephone dialer to send out certain dialing current bursts set on the device. : de en
  • US1924173A - Stem for pneumatic tires or the like : en
  • US1924502A - Article holder : en
  • US1924723A - Automatic clutch : en
  • AU821032A - Improvements in or relating to insecticides, fungicides bactericides andthe like : en
  • CH163625A - Process for the production of grinding wheels. : de en
  • CA335262A - Knitted fabric : en fr
  • CH163753A - Metal plate that can be used as a wall, floor or ceiling. : de en
  • CH163717A - Cascade amplifier. : de en
  • CH163527A - Process for preserving perishable foodstuffs. : en fr
  • CH163783A - Process for the preparation of a neutrally soluble metal complex salt. : de en
  • AU1049432A - Improvements in machines for interfolding sheets of cigarette papers : en
  • CH163765A - Process for the production of trichloroethyl alcohol. : de en
  • PL18632B1 - Gas mask. : en pl
  • DE583056C - Device for loosening sheets of paper from a stack : de en
  • ES131418A3 - A process for the manufacture of clarifying bleaching and filtering earths based on aluminum and magnesia silicates. : en es
  • ES1878U - Device applicable to dolls that walk and move their heads so they can sit down. (Machine-translation by Google Translate, not legally binding) : en es
  • AU1004532A - Improvement in photoelectric tubes : en
  • PL18627B1 - A three-sacrificial tire. : en pl
  • CA335171A - Pulverized charcoal production : en fr
  • CA335183A - Game : en fr
  • CH163781A - Ignition device for gas flames. : de en
  • SU31641A1 - A device for sound : en ru
  • USD90574S - Design for an ash tray : en
  • CH163720A - Image composing device for television receivers. : de en
  • US1924847A - Internal combustion engine : en
  • CH163506A - Device for cutting open sheet metal containers, in particular canned food. : de en
  • US1924988A - Quick freezing system : en
  • SU31589A1 - Gearless synchronizer for glassblowing automats and similar machines : en ru
  • US1924127A - Apparatus for production of oxides : en
  • US1924114A - Method of making brake shoes : en
  • DE583248C - Device for the automatic replacement of electrical equipment damaged by a short circuit : de en
  • ES131198A1 - An economizer and accelerator radiator device. : en es
  • PL18650B1 - : en pl
  • US1924431A - Saw setting machine : en
  • US1924590A - Brake shoe : en
  • SE78204C1 - Electric light tube : en sv
  • US1924090A - Mono-molecular condensation product of 1.4.5.8-naphthalene-tetra-carboxylic acid andalpha process of preparing it : en
  • US1924740A - Stripper : en
  • PL18555B1 - A method of producing alcohols. : en pl
  • CH163495A - Process for treating floors. : de en
  • CH163501A - Grill. : en fr
  • US1924219A - Train control system : en
  • US1924808A - Brake control mechanism : en
  • CH163458A - Building board for the production of walls, ceilings, coverings and the like. : de en
  • CA335222A - Pulp manufacture : en fr
  • SU31829A1 - Radial-axis water turbine : en ru
  • US1924233A - Shoe rest mechanism : en
  • SU31791A1 - Device for point and straightening knives safety razors : en ru
  • US1924116A - Clock winding mechanism : en
  • SU31728A1 - The way of the mountain is that the tinning or tinning of the tin : en ru
  • US1924935A - Quilted goods and method of making the same : en
  • DE583444C - Device for loosening leaf and cut tobacco : de en
  • DE583085C - Mixing and distributor tap : de en
  • FR751347A - Improvements to tools for dressing valves and their seats : en fr
  • GB397824A - Improvements in and relating to internal combustion engines : en
  • SU31608A1 - Device for compressing loose bodies packed in a package : en ru
  • CH163565A - Collecting container for storing photographs, drawings, documents, etc. : de en
  • CA335234A - Welding electrode : en fr
  • CH163579A - Locking device for closing off the cassette compartment of film treatment vessels. : de en
  • DE583109C - Counter-pressure roller, adjustable perpendicular to the axis of the associated roller : de en
  • SU31507A1 - Method of compensating for the effect of connected wires in decades of resistance of plug bridges : en ru
  • SU31762A1 - Method of preparing drawings for contact copying : en ru
  • CA335304A - Film pack : en fr
  • SU31384A1 - A device for winding a channel onto a winch drum : en ru
  • US1924598A - Elastic fabric : en
  • US1924990A - Stabilized egg product : en
  • US1924842A - Blast furnace : en
  • USRE18928E - Dolly fob washing machines : en
  • US1924362A - Shade bracket : en
  • US1924789A - Egg opener device : en
  • US1924793A - Paint for indicating heat : en
  • SU31576A1 - Functional maxillary article tor : en ru
  • US1924270A - Roller bearing journal box : en
  • US1924785A - Cannula package : en
  • SU31841A1 - Device for controlling the upper drive rollers in the sawmill : en ru
  • US1925020A - Sand spreader : en
  • CH163449A - Lifting device for the cutter bar of mowing machines. : de en
  • US1924720A - Piano construction : en
  • US1924862A - Electrical apparatus : en
  • SU31557A1 - Vacuum pump with hydraulic shutter : en ru
  • CA335252A - Photothermographic composition : en fr
  • CH163681A - As broad or Flat radiator trained lighting fixture. : de en
  • CH163642A - Process for pumping liquids that are almost boiling and saturated with gases. : de en
  • PL18580B1 - A method of producing smokeless nitrocellulose powders with high ballistic efficiency. : en pl
  • US1924888A - Fluid pressure operated device : en
  • DE569088C - Control receipts, tokens or entry tickets in roll form : de en
  • FR751366A - Chassis for motor vehicles : en fr
  • CH163530A - Apparatus for filtering liquids, in particular wine. : en fr
  • CH163719A - Device for volume control in radio reception systems. : de en
  • FR751389A - Pestle leg stirrup system for disabled : en fr
  • US1924913A - Growler type testing device : en
  • DE583290C - Frame for candy glasses u. like : de en
  • DE583353C - Film threading device : de en
  • US1924473A - Golf tee : en
  • US1924818A - Electric switch : en
  • CH163618A - Push-off device for leveling the height of the tooth tips of saws. : de en
  • BE397463A - : en fr
  • CA335207A - Liquid level indicator : en fr
  • CH163653A - Removable electric accumulator. : en fr
  • CH163771A - Process for the production of a vat dye. : de en
  • CA335208A - Electric polisher : en fr
  • CH163629A - Device for the even distribution of material to be spun in a spinner. : de en
  • US1924379A - Trap : en
  • AU919432A - Improvements relating tothe mixture supply systems for internal combustion engines : en
  • CH163494A - Device for cleaning pieces of fabric. : de en
  • US1924145A - Process for manufacturing oxygen evolving preparations : en
  • US1924248A - Switch mechanism : en
  • US1924594A - Combined automatic machine tool : en
  • US1924834A - Fence construction : en
  • US1924544A - Rectifier device : en
  • US1924687A - Art of refining hydrocarbons : en
  • CA335164A - Acetylene soot production : en fr
  • SU31801A1 - Water Reel Changing Machine : en ru
  • US1924607A - Flotation method : en
  • US1924830A - Bracket : en
  • US1924653A - gubelmann : en
  • SU31411A1 - Method of briquetting sawdust : en ru
  • BE397391A - : en
  • DE583352C - Cassette for X-rays : de en
  • BE397909A - Testing an electric shock device using rectified voltages : en fr
  • CH163478A - Gas-heated hot water storage tank. : de en
  • SU31445A1 - A device for descaling or rusting boiler drums, etc. : en ru
  • PL18586B1 - The method of obtaining iodinated 4-pyridone derivatives. : en pl
  • US1925070A - Laying wood block flooring : en
  • DE583264C - Railway superstructure with wedge clamps connecting the rails with support chairs : de en
  • ES131430A1 - A mechanism-support of universal orientation and usable especially in the apparatus for the taking of cinematographic sights, installed on board aircraft and for other applications. : en es
  • US1924841A - Grease gun piston and reservoir latch : en
  • PL18723B1 - A device for the removal of ammonium salt crystals deposited in the gas supply pipe when obtaining coarse crystalline salt from low percentage solutions. : en pl
  • US1924666A - Slicing machine : en
  • DE583252C - Central lubrication device : de en
  • DE583364C - Pressure control valve for braking devices moved by negative pressure, in particular of motor vehicles : de en
  • CA335256A - Engine starter : en fr
  • CH163716A - Band filters, especially for medium frequency amplifiers. : de en
  • CH163639A - Pipe connection. : en fr
  • US1924098A - Fruit grader and cleaner : en
  • US1924886A - Gauge cock or valve : en
  • ES131517A1 - A receiving device with automatic regulation of the sound intensity. : en es
  • US1924924A - Process for making rubber thread : en
  • SU31483A1 - Device for bending insulating tubes with a metal sheath of the Bergman type of various diameters : en ru
  • US1924113A - Brake shoe : en
  • CH163456A - Process for the production of a hollow-core reinforced concrete ceiling without formwork and the ceiling produced by this process. : de en
  • CH163466A - Process for the production of frames and frames produced by the process. : de en
  • CH163561A - Process and device for the production of profiled cardboard tubes. : de en
  • CH163651A - Electrically heated steam boiler for heating with alternating current. : de en
  • US1924126A - Apparatus for production of oxides : en
  • US1924199A - Adjustable connection for draw works girt : en
  • US1924754A - Rotary folder for paper-bag making and similar machines : en
  • SU31571A1 - Hearing aid : en ru
  • US1925057A - Starting motor for internal combustion engines : en
  • CH163741A - Damping device for vehicles with spring suspension. : de en
  • US1924371A - Display case : en
  • US1924525A - Method of cooling liquids : en
  • US1925069A - Grinding mill : en
  • SU31450A1 - Turbine with Curtis wheel active : en ru
  • BE397585A - : en fr
  • PL18564B1 - A key to open boxes of canned food. : en pl
  • SU31661A1 - Apparatus for investigating the work of elastic couplings : en ru
  • US1924572A - Road grading apparatus : en
  • USD90575S - Design for a doll : en
  • SU31488A1 - Device for automatically switching on and off the receivers of electrical energy at a predetermined time : en ru
  • SU31547A1 - Shutter in the loading hopper of mine furnaces : en ru
  • SU31461A1 - Depreciation device in railway cars above buksoy or under a ptiknikoy beam. : en ru
  • US1924249A - Dust bag : en
  • CH163508A - Device for blocking petrol tank pipes on the filler neck of the petrol tank of motor vehicles when refueling. : de en
  • SU31514A1 - Electric rectifier : en ru
  • US1924401A - Fire extinguishing compound : en
  • CH163676A - Electromagnet with a device for changing the influence of fluctuating temperatures. : de en
  • SE78221C1 - Device for providing cheese designations : en sv
  • SU31385A1 - Reducer for turbine engine : en ru
  • SU31474A1 - Device for centering moving coil electrodynamic loudspeaker : en ru
  • US1924155A - Adjustable wire bale-tie : en
  • US1924258A - Method of and machine for manufacturing upholstery : en
  • US1924940A - Electrically operated doorlock mechanism : en
  • US1924813A - Treatment of fuel gas : en
  • US1924821A - Control system for car couplers and electric circuits : en
  • US1924368A - Vacuum tube : en
  • US1924465A - Process of producing propellent powder : en
  • GB397558A - Improvements in presses and other pressure-exerting machines : en
  • GB397588A - Improvements in the transferring of individual articles such as biscuits : en
  • SU31439A1 - Method and device for obtaining turpingidrate from turpentine : en ru
  • SU31629A1 - A device for recording the operation of pipe mills : en ru
  • US1924780A - Delivery mechanism for vending machines : en
  • US1924968A - Process for the manufacture of vaccines : en
  • CH163520A - Method and machine for the production of connector-studded strips for zip fasteners. : de en
  • CH163610A - An intermediate layer consisting of a tough material for connecting high-cut materials with steel by soldering. : de en
  • SU31656A1 - Stereoscopic sketching device on the aerial photograph of the terrain : en ru
  • US1924779A - Overpass : en
  • US1924960A - Nonclogging harrow : en
  • PL18710B1 - Electric cable. : en pl
  • SU31429A1 - The method of purification of N-chloro-nitro-aniline : en ru
  • BE397310A - : en fr
  • DE583246C - Method for extinguishing the interrupting arc in liquid switches which are arranged in alternating current circuits : de en
  • ES131313A1 - Improvements introduced in the frames for the transport of goods. : en es
  • FR751143A - Method of fixing the brush guipons to their support plate : en fr
  • DE583195C - Fireproof ceramic body, resistant to bending and sagging, even at high temperatures, and its manufacturing process : de en
  • DE583402C - Support claw plate for rail fastening with wedge bracing : de en
  • SU31458A1 - Rail butt joint : en ru
  • SU31523A1 - The method of preparation of acid dyes triphenylmethane : en ru
  • US1924251A - Automatic drain valve : en
  • PL18680B1 - Method of color reproduction photographer ij. : en pl
  • CA335224A - Moulded table cover : en fr
  • AU883032A - Improved method of and means for instantaneously coupling members : en
  • CA335231A - Refrigerating apparatus : en fr
  • CA335274A - Non-microphonic radio apparatus : en fr
  • CA335267A - Gilled tube manufacture : en fr
  • SU31663A1 - Instrument for determining the uniformity of metal in rails : en ru
  • US1924538A - Light filter : en
  • US1924642A - Sanitary garment : en
  • US1924192A - Aircraft : en
  • DE583373C - Cleaning device for spinning machines : de en
  • FR751343A - Method and devices for measuring velocities, flow rates, load-bearing force : en fr
  • GB398161A - Anthracene and anthraquinone dyestuffs : en
  • ES131527A1 - ELECTROLYTIC GAS DEVELOPER APPARATUS : en es
  • FR751235A - Agglomeration machine : en fr
  • FR751370A - Stripper for tinning and soldering aluminum bronze to tin solder : en fr
  • FR751388A - Device for regulating the intensity of the current in arc rectifier devices incorporating internal or external control electrodes : en fr
  • FR751212A - Advanced needle nose for straight knitting machines : en fr
  • CH163758A - Axle counting device. : de en
  • PL18590B1 - A way of copying mesh films. : en pl
  • PL18683B1 - : en pl
  • US1924600A - Bumper end construction : en
  • US1924640A - Lumbago belt : en
  • DE583119C - Drive for presses, e.g. B. Sheet metal presses : de en
  • ES1643U - Socks and stockings made with fantasy threads of the type of loops or baguillas (Machine-translation by Google Translate, not legally binding) : en es
  • DE583165C - Retractable undercarriage for aircraft : de en
  • DK47695C - Electric bicycle light with side openings for light emission. : da en
  • FR751106A - Vacuum cleaner and draft regulator device for all types of fireplaces : en fr
  • DE583408C - Beverage antenna arrangement : de en
  • ES131524A1 - DEVICE AGAINST GLARE IN HEADLIGHTS FOR AUTOMOBILE VEHICLES : en es
  • GB397596A - Improvements in or relating to graphical stress and strain recording apparatus : en
  • GB397679A - Improvements in or relating to apparatus for shaking bags or containers for settlingthe material therein : en
  • PL18656B1 - Dishes for garbage. : en pl
  • US1924206A - Process for the removal of cyanogen compounds from gases : en
  • FR42665E - Cooling radiators in particular for transformers : en fr
  • CH163718A - Intermediate frequency heterodyne receiver. : de en
  • ES130752A1 - An improvement in the rectilinear brushes or combers of the heilmann type. : en es
  • DE583080C - Movable jack, which can be carried along by the vehicle to be lifted, on legs that can be folded up like a tripod and hinged to the main body of the jack : de en
  • ES1834U - A table for a game of russian billiards (Machine-translation by Google Translate, not legally binding) : en es
  • FR42658E - Presentation board for lighters or other products with automatic dispenser : en fr
  • FR751244A - Metal log : en fr
  • US1924425A - Blow-out preventer : en
  • CA335199A - Engine cylinder grinding machine : en fr
  • GB397582A - An improved sanitary convenience device for infants and invalids : en
  • GB397825A - Improvements in fuel pumps for heavy oil engines : en
  • DK47693C - Device for keeping the Needleworks room in as Dry Runners built Water meters dry. : da en
  • ES130588A1 - Improvements introduced in the manufacture of transmission belts. : en es
  • ES131475A1 - Improvements in the manufacture of rubber coated spinning cylinders. : en es
  • GB397829A - Improvements in pneumatic tyres : en
  • CH163605A - Electric timepiece. : en fr
  • ES131476A3 - A new die-cutting and embossing system on paper, cardboard and the like. : en es
  • GB397554A - Coating compositions : en
  • DK47703C - Pantograph power take-off device for electric railways and the like. : da en
  • SU31418A1 - Charcoal kiln : en ru
  • FR751387A - Preparation of azo dyes : en fr
  • GB397673A - Shock absorber for protecting, hanging filament lamps from vibration : en
  • DE583384C - Device for eliminating the formation of grid stripes on televisions with perforated discs or panels : de en
  • DE583368C - Measuring plug : de en
  • US1924735A - Means for holding chasers : en
  • FR751181A - Device for checking and automatically selecting solids of revolution : en fr
  • GB397627A - Improvements in holders or cases for rolls or tape : en
  • GB398170A - Improvements in or relating to retroactive thermionic valve systems : en
  • FR751211A - Fire protection panel : en fr
  • FR42699E - Improved baler for straw, fodder and similar products : en fr
  • GB397677A - An improved securing device for permanent magnets : en
  • DE582971C - Electric measuring instrument : de en
  • ES130007A1 - Procedure for manufacturing luminous signs composed of interchangeable elements. : en es
  • ES1873U - Swimwear. (Machine-translation by Google Translate, not legally binding) : en es
  • FR751315A - Damped spark diathermy device : en fr
  • GB397587A - Improvements in or relating to weavers' shuttles : en
  • FR751263A - Printer telegraph : en fr
  • FR751197A - Improvements related to anti-friction bearing applications : en fr
  • GB397553A - Acid pickling baths : en
  • GB397761A - Improvements in and relating to electric motor control systems : en
  • GB397791A - Improvements in or relating to packing machines : en
  • ES1879U - A new layer for the extraction of olive oils (Machine-translation by Google Translate, not legally binding) : en es
  • GB397658A - Improvements in or relating to garden syringes and the like : en
  • GB397811A - Improvements in or relating to spring mounted connecting link joints : en
  • DE583370C - Device for supporting the hand while writing : de en
  • GB397631A - Improvements in micrometer screw gauges : en
  • BE397652A - : en
  • CA335290A - Car truck spring : en fr
  • ES131509A1 - An auxiliary mechanism for guns. : en es
  • GB397787A - Method of treating pulp mill waste cooking liquors : en
  • GB397721A - Improvements in or relating to sound amplifying diaphragms or horns for wireless sets, talking machines, musical instruments or other sound producing devices : en
  • SU31701A1 - Internal combustion engine : en ru
  • SU31741A1 - Machine for bending the ends of the bows (over-weight) of the bucket : en ru
  • US1924616A - Process for manufacturing organic esters : en
  • DE583202C - Overmolding device : de en
  • IE12952L - Electric discharge tubes : en
  • DE583223C - Process for the production of azo dyes : de en
  • DE583367C - windshield wipers : de en
  • US1924531A - Method of making hats : en
  • DE583214C - Electromechanical lifting device, especially for braking electric vehicles : de en
  • FR751200A - Lug backplate : en fr
  • FR751377A - Vibrator device, applicable in particular to the casting of concrete or reinforced cement : en fr
  • GB397745A - Improvements in and relating to grid-controlled rectifiers : en
  • GB397803A - Improvements in or relating to high tension electrical switch installations : en
  • PL18624B1 - Automatic device for measuring specific amounts of liquid. : en pl
  • GB397656A - Improvements in the manufacture of thermionic cathodes for electric discharge devices : en
  • GB397646A - Improvements in or relating to alloy steels : en
  • GB397849A - Improvements in or relating to decarbonising devices for internal combustion engines : en
  • ES131498A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN PATENT : en es
  • GB397706A - Improvements in or relating to plate heat exchange apparatus for liquids : en
  • SU31427A1 - Method of separating manganese from calcium, iron and aluminum in the analysis of manganese ores : en ru
  • US1924728A - Treatment of slag : en
  • US1925038A - Combination washing and drying machine : en
  • US1924792A - Foot instep support : en
  • AU903932A - Improvements in producer gas plant : en
  • AU942632A - Improvements relating to spools andmore particularly toa method of winding thread thereon : en
  • CH163655A - Multi-conductor rotor for induction motors of the so-called squirrel cage type. : en fr
  • PL18569B1 - A line for supplying secondary air to the furnace of central heating boilers. : en pl
  • CA335195A - Sun visor : en fr
  • CH163643A - Rotary piston machine. : de en
  • US1924203A - Sand protected by-pass seal : en
  • US1924955A - Display device : en
  • PL18699B1 - Method for the production of tetra and tetrahydrophthalene. : en pl
  • US1924275A - Photo-electric tube : en
  • USD90586S - Design for a cabinet for radio : en
  • SU31388A1 - Yass for rotary drilling : en ru
  • PL18600B1 - : en pl
  • PL18705B1 - Heating mass for heating pads and the method of its production. : en pl
  • SU31754A1 - The way to eliminate the fallout of the resin from the paper mass on dumplings : en ru
  • US1924622A - Brake apparatus : en
  • US1925018A - Game board : en
  • DK47699C - Stormhaspe. : da en
  • SU31620A1 - Method of making felt for musical instruments : en ru
  • DE583307C - Buckleless ribbon tie bow : de en
  • DE583040C - Classifier for fibrous material, especially for paper making materials : de en
  • US1925061A - Washing machine : en
  • CA335229A - Fluid pressure brake : en fr
  • PL18562B1 - A method of producing water-impermeable and water-resistant paper and cardboard. : en pl
  • PL18619B1 - A method for removing undesirable aromatics from beer and an apparatus for carrying out the method. : en pl
  • US1924183A - Golf bag stand : en
  • US1924245A - Process for improving nickel-molybdenum alloys : en
  • USD90590S - Design for a fly swatter : en
  • SU31412A1 - Peat extraction method : en ru
  • SU31604A1 - The machine for zaprazki paws on the mine fixing wood : en ru
  • SU31798A1 - Compass with a device for transmitting testimony on the implementation of a given course : en ru
  • PL18659B1 - A freely rotating hub, engaged with the axle when rotating in one direction and braked when rotating in the opposite direction. : en pl
  • GB397712A - Improvements in or relating to electric discharge apparatus : en
  • SU31648A1 - Device for recording sound on opaque surfaces : en ru
  • CA335223A - Flexible mat : en fr
  • DE583378C - Device for the automatic limitation of the adjustment movements according to a specific program in rolling mills : de en
  • GB397775A - Process for purifying organic acid chlorides : en
  • SU31484A1 - Drum for transportation of cables and ropes : en ru
  • SU31840A1 - Method of measuring frequency or wavelength : en ru
  • FR751214A - Improvements to devices for synchronized reproduction of cinematographic images and sound : en fr
  • DK47686C - Heat transfer device. : da en
  • SU31685A1 - A device for indicating the train speed according to the track profile and the most advantageous steam cut-off at a given speed : en ru
  • US1924091A - Sound meter : en
  • US1924238A - Cellulose solution and cellulose derivative and process of making same : en
  • US1924832A - Protective lining for vessels : en
  • US1924537A - Spring hinge and adjustable leaf : en
  • US1924775A - Electric motor-controlling means : en
  • DE582999C - Process for the production of rayon : de en
  • FR751112A - Removable and interchangeable fixing device for letters, numbers or attributes : en fr
  • DE583046C - Rock drill : de en
  • DE583186C - Railway body, consisting of several rockfall layers built up on a bed of sand or slag : de en
  • DE583302C - Not fully automatic knife star dough dividing and knitting machine : de en
  • ES131465A1 - A procedure for the manufacture of automatic switches, without float, for the electric pumps. : en es
  • FR751191A - Process and device for the production of sodium cyanide : en fr
  • FR42660E - Funeral cross mounting system and its manufacturing process : en fr
  • GB397625A - Improvements in or relating to lathes or similar machine tools : en
  • AU935132A - Improvements in fuel arrangements for internal combustion engines : en
  • CA335243A - Paper bag : en fr
  • CH163484A - Automatic closing device for tub filling pipes. : en fr
  • SU31680A1 - Adaptation for scheduling trains : en ru
  • SU31843A1 - A device in the carriage for lifting the carcass end of the log, in order to place this end on the feed roller of the sawmill : en ru
  • US1924833A - Brake testing apparatus : en
  • DE583054C - Process for the preparation of a compound of theophylline which is readily soluble in water and diaethanolamine : de en
  • ES131361A1 - A method for the application of text in movies. : en es
  • SU31521A1 - Automatic machine for electric melting tools : en ru
  • SU31773A1 - Injector : en ru
  • US1924213A - Stepladder : en
  • US1924239A - Indicator tab : en
  • DE583188C - An electrical capacitor inserted into a metal housing and hermetically sealed by a plastic mass : de en
  • GB397900A - Improvements in or applicable to spring mattresses and seating surfaces : en
  • DK47701C - Procedure for Impregnation of thick and dense textile products with latex. : da en
  • US1924210A - Plastic stock manipulating apparatus : en
  • US1924354A - Belt : en
  • USD90588S - Design for an electric fan : en
  • US1924641A - Safety razor : en
  • US1924670A - Oil burner construction : en
  • PL18606B1 - Method for the production of iodomethylsulfonic acid or its salts. : en pl
  • FR751171A - Safety glasses : en fr
  • FR751398A - Separating casing for electric accumulator plates : en fr
  • BE397430A - : en
  • ES131339A1 - Coating process by anodic treatment of aluminum or aluminum alloys. : en es
  • DE583142C - Auxiliary device for the use of vacuum cleaners, in particular pot vacuum cleaners, for hanging up for cleaning railroad cars and the like. like : de en
  • DE583231C - Method for producing fire extinguishing foam : de en
  • FR751279A - Box body or isothermal frame : en fr
  • GB398168A - A new or improved wrapping apparatus : en
  • GB397662A - Improvements in and relating to biling machines : en
  • GB397655A - Improvements in or relating to surgical knives : en
  • FR751333A - Improvements to electric cables : en fr
  • GB397647A - Improvements in or relating to change-speed devices for motor vehicles : en
  • DE583133C - Expansion switch : de en
  • FR751314A - Process for the direct compression of agents in the form of gas or vapor, by means of an agent in the form of gas or vapor already under pressure : en fr
  • GB397611A - Improvements in or relating to electrically illuminated advertishing or like signs : en
  • GB397890A - A new or improved material in filamentary or strand-like form : en
  • US1924527A - Unsymmetrical orjective lens system : en
  • US1924958A - Valve seat grinder : en
  • FR751127A - Production of solid shades : en fr
  • GB397814A - Improvements in or relating to shock absorbing devices : en
  • FR751396A - Process for the production of elastic layers formed from bonding agents for compound or laminated glasses : en fr
  • GB379717A - Improvements in or relating to alloy steels : en
  • GB397762A - Improvements relating to radio signal receiving systems : en
  • GB398214A - Improvements in or relating to recording apparatus : en
  • DE583091C - Guide surface rudder for watercraft and aircraft : de en
  • GB398169A - Improvements in mountings for roller spindles : en
  • ES131396A1 - An apparatus for making cigarette shapes and currents. : en es
  • FR42677E - Improvements to altitude measurement systems : en fr
  • GB397790A - A method of and means for securing clips to troughing for supporting electric cables : en
  • DE583182C - Small motor, especially for clock windings : de en
  • DE583414C - Device for the simultaneous electrification and warming of the spinal cord and all sexual pressures : de en
  • ES131291A1 - Improvements in the threshing machines or desgranadores cylinders of the threshing machines. : en es
  • FR751103A - Vulcanizable mask body impermeable to gases such as mustard gas attacking rubber : en fr
  • FR751268A - Manufacturing process for active and stable yeasts : en fr
  • FR751311A - Lighter, and more particularly pocket lighter : en fr
  • ES131382A1 - A procedure for obtaining alpha cellulose from the bambusa and the arundo. : en es
  • ES131512A1 - A new system of sectioned boilers made of cast iron, sheet metal or any other material for steam and hot water applicable to all uses. : en es
  • GB397696A - Improvements in or relating to shearing machines for cutting up cold or hot metal bars : en
  • GB397769A - Improvements in cotter pins of the split type : en
  • ES130182A1 - A procedure for the manufacture of toys that are based on applications of the law of gravity to maintain and find their balance. : en es
  • FR751109A - Convertible Clothes Hanger Hat Rack : en fr
  • FR751154A - Lightweight metal alloy : en fr
  • DE566516C - Process for the production of formaldehyde from methane : de en
  • DE583174C - Single-barrel handgun with additional charges arranged in side chambers : de en
  • DE583217C - Coin operated telephone : de en
  • ES130810A1 - A procedure for the production of knitted goods with relief. : en es
  • ES1764U - Covers faucets for gas cookers (Machine-translation by Google Translate, not legally binding) : en es
  • DE583176C - Process for the production of plastic, moldable materials : de en
  • CA335170A - Ore flotation apparatus : en fr
  • SU31729A1 - The method of etching metals : en ru
  • US1925021A - Combined take-up and safety lock : en
  • CA335258A - Paper web pasting machine : en fr
  • CA335297A - Windshield cleaner : en fr
  • CH163526A - Captive bolt gun. : de en
  • ES131528A1 - PROCEDURE FOR THE PRODUCTION OF VEGETABLE FIBERS : en es
  • SU31711A1 - Fuel injection device for Diesel diesel-free engines : en ru
  • US1925051A - Warp stop motion : en
  • CA335205A - Alkaloid production from ergot : en fr
  • CH163497A - Holder for carrying napkins. : de en
  • CH163747A - Vehicle wheel. : de en
  • FR751331A - Gasket for electric cables : en fr
  • FR751187A - Liquid Fuel Kitchen Stove Frame : en fr
  • GB397797A - Improvements in or relating to non-refillable bottles : en
  • CA335293A - Tabulator : en fr
  • CH163712A - Circuit for mains ac powered amplifiers. : de en
  • SU31537A1 - The method of cleaning liquid toilet soaps and perfume liquids : en ru
  • SU31625A1 - Adjusting to the tailstock of the lathe to determine its shear in the manufacture of conical products of different lengths and the same taper : en ru
  • US1924671A - Collar point pressing machine : en
  • SU31443A1 - Device for monitoring the water level in steam boilers : en ru
  • SU31682A1 - Centrifugal Tachometer Testers : en ru
  • US1924095A - Telephone system : en
  • US1924741A - Fuel supply tank : en
  • US1925047A - Unitary spring cover : en
  • US1924148A - Pneumatic inner tube : en
  • US1925054A - Photoelectric tube : en
  • PL18642B1 - A method of producing a mass for making figures, ornaments and similar decorative objects. : en pl
  • SU31534A1 - Sprinkler for evaporating the hot cracking residue : en ru
  • AU1226833A - Improvements in fuel-injection pumps for internal combustion engines : en
  • CH163750A - Device on bicycles and motorcycles. : de en
  • USD90599S - Design for a lamp shade : en
  • US1924187A - Shuttle checking mechanism : en
  • PL18718B1 - Portable treadmill. : en pl
  • CH163600A - Automatic winding wristwatch. : en fr
  • FR751150A - Improvement to doors currently in use in most transport vehicles and in particular in automobiles : en fr
  • CH163611A - Device for spot welding. : de en
  • DE583427C - Multi-cylinder engine with two parallel groups of cylinders arranged close together and a spring-loaded, non-disengageable clutch : de en
  • FR751281A - Device for projection, in particular of cinematographic films : en fr
  • US1924468A - Method of and apparatus for measuring gases : en
  • SU31495A1 - Device for protecting electrical installations against overload : en ru
  • US1924436A - Safety clamp : en
  • DE583101C - Sports ball cover with facility for electrical lighting : de en
  • CH163507A - Method for closing bottles, in particular milk bottles. : de en
  • DE583183C - Welding torch : de en
  • DE583258C - Flexible and adjustable goods guidance on lifting drums of multi-coated lifting and spreading machines for fabrics : de en
  • FR751108A - Charcoal lighter, gas lighting, for stoves of all heating appliances : en fr
  • FR751350A - Ski binding : en fr
  • US1924158A - Shoe rack : en
  • US1924246A - Spring compressor : en
  • US1925030A - Hollow article : en
  • US1924949A - Water craft : en
  • CH163590A - Centrifugal speed indicator. : en fr
  • CH163597A - Tank device for cylinder watches. : en fr
  • US1924137A - Process for manufacturing acid phosphate : en
  • US1924646A - Vehicle driving mechanism : en
  • US1924899A - Brake mechanism for conveyers : en
  • US1924276A - Automobile lifting mechanism : en
  • US1924394A - Air vent valve : en
  • US1924802A - Shock absorber : en
  • US1925046A - Grooved pulley : en
  • AU1006232A - Improvements in or relating tothe treatment of sugar juices : en
  • CH163740A - Device for heating a motor vehicle. : en fr
  • DE583232C - Semi-trailer coupling : de en
  • DE583282C - Float with attachment device : de en
  • ES130840A1 - New method of wet preparation of coal, especially anthracite, by the flotation process. : en es
  • ES131458A1 - Mixing machine and mixer. : en es
  • SU31818A1 - Stretcher : en ru
  • US1924595A - Carburetor : en
  • PL18616B1 - The method of obtaining purified fuel for internal combustion engines as well as lubricating and flammable oils. : en pl
  • SU31504A1 - Electrodynamic measuring device : en ru
  • US1924310A - Elevator safety brake : en
  • US1924372A - Shock absorber : en
  • SU31482A1 - Method of fastening wires on insulators : en ru
  • US1924686A - Electromagnetic device : en
  • PL18690B1 - Device for draining combustion residues from under boiler and other furnaces. : en pl
  • US1924165A - Fastener : en
  • US1924462A - Portable current supply : en
  • CH163553A - Process for increasing the chemical and electrical strength of compounds containing rubber. : de en
  • SU31520A1 - Electric Wire Welding Pliers : en ru
  • SU31837A1 - Device for pulling darning refineries : en ru
  • US1924995A - Razor blade sharpening device : en
  • SU31585A1 - Method of handling siphon casting of calm steel : en ru
  • DE583273C - The winder is adjustable in scope, especially for freshly spun rayon threads : de en
  • US1924576A - Method of treating rubber compositions : en
  • US1924656A - Superposed barrel, breech-loading firearm : en
  • US1924708A - Packaging of edible oils : en
  • US1925017A - Rat-hole packer : en
  • USD90577S - Design for an automotive vehicle : en
  • USD90601S - Design for a book support : en
  • SU31566A1 - Scraping machine : en ru
  • US1924549A - Biscuit cutting and panning machine : en
  • CA335221A - Thermal testing device : en fr
  • US1924216A - Water-cooled drum shaft assembly : en
  • SU31655A1 - Instrument for measuring the reflectance of surfaces with diffuse or mixed reflection : en ru
  • US1924351A - Switch operating mechanism : en
  • USD90582S - Design fob a building : en
  • DE583062C - Welded rail joint connection : de en
  • DE583093C - Controllable tank stabilization system for ships : de en
  • SU31696A1 - Threshing device : en ru
  • US1924957A - Combined cane and popgun : en
  • FR751247A - Electric heating by incandescent lamps with heat distribution jacket in different thicknesses : en fr
  • DE583424C - Leveling device : de en
  • US1924532A - Machine for sealing : en
  • US1924768A - Process for the production of carboxylic acids : en
  • US1924877A - Boiler : en
  • ES131368A3 - Improvements in the manufacture of electric accumulators. : en es
  • US1924222A - Container : en
  • US1924325A - Fluid controlling device : en
  • AU985432A - An improved cuplike wrapping element for sweetmeats andthe like : en
  • DE583173C - Drawing device : de en
  • DE583308C - Rock processing, in particular rock drilling machine with suction of the rock cuttings through the hollow channel of the tool : de en
  • DE583412C - Electrolytic recorder : de en
  • SU31435A1 - Method for preparing naphthenic acid butyl esters : en ru
  • DE583319C - Filter device for liquids : de en
  • DE583356C - Device for automatic complete shut-off of the fuel supply to the drive engine of motor vehicles to reduce fuel consumption : de en
  • ES131360A1 - A process for the manufacture of lead fluoride and derived products obtained in the course of said manufacture. : en es
  • CH163481A - Process for granulating raw materials for cement production. : de en
  • SU31428A1 - The method of regeneration of benzene from gases produced by neutralizing carbonated crude sulfonated benzene : en ru
  • US1924298A - Electric car heater : en
  • DE569463C - Process for the production of heat and sound insulating bodies : de en
  • DE583348C - Device for regulating temperatures or temperature-dependent processes : de en
  • ES131432A1 - Improvements in or relating to hydraulic transmission mechanisms. : en es
  • DE583059C - Process for glowing billets in a heating furnace : de en
  • DE583234C - Device for measuring liquid or milk : de en
  • DE583343C - Process for the production of pest repellants : de en
  • DK47683C - Trigger mechanism for machine guns. : da en
  • DE583372C - Control device for traffic signal systems : de en
  • DE583433C - String instrument : de en
  • CA335186A - Lighting unit : en fr
  • SU31749A1 - The method of chemical treatment of annual plants and wood in order to obtain wood : en ru
  • SU31834A1 - Vane and Wind Engine Guides : en ru
  • US1924143A - Container : en
  • US1924467A - Internal combustion engine : en
  • US1924478A - Hose supporter : en
  • US1924496A - Stretcher : en
  • SU31416A1 - Hanger for liquids : en ru
  • US1924144A - Indicator for distributing apparatus : en
  • GB398182A - Improved apparatus for producing a combustible charge for use in internal combustion engines : en
  • US1924782A - Window : en
  • PL18704B1 - A device for determining the correction of the distance to the target and direction in indirect targeting for guns and machine guns scattered in the field. : en pl
  • US1924672A - Combination circular saw miter machine : en
  • DE583393C - Method of coating wire : de en
  • CH163451A - Window holding device for putty-free windows, especially cold frame windows. : de en
  • SU31721A1 - Safety device to support drive belt being thrown onto the shaft : en ru
  • US1924209A - Boiler : en
  • US1924235A - Truck and trailer coupling mechanism : en
  • US1924472A - Method of and means for manufacturing sound absorbing material : en
  • US1924820A - Gas producer : en
  • US1924937A - Antifriction bearing : en
  • US1924705A - Draft shield : en
  • US1924305A - Duct support : en
  • US1924810A - Surgical plaster package : en
  • FR751243A - Watertight and removable closing device for electric accumulator elements : en fr
  • FR751391A - Sprayer for liquid fuels : en fr
  • GB397689A - Improvements in cattle drinking bowls : en
  • PL18635B1 - The method of making steel. : en pl
  • BE397438A - : en fr
  • CH163754A - Device for the automatic coupling of rail vehicles. : de en
  • GB397879A - Azo dyestuffs : en
  • DK47692C - Material consisting of a copper alloy, for pans resting immediately on the mud, for axle bearings in rail vehicles. : da en
  • GB398207A - Improvements in or relating to electric alternating current circuit breakers : en
  • DE583245C - Axially releasing jump lock for rotary switch with continuously rotatable axis for right and left gear : de en
  • DE583355C - Overrunning clutch with pinch roller lock for change gears with permanently engaged gears, especially of motor vehicles : de en
  • CH163566A - Shorthand sheet holder for typewriters. : de en fr
  • CH163722A - Device for signaling and detecting an abnormal drop in oil pressure in oil-filled cables. : en fr
  • ES131470A1 - Procedure for dyeing skeins and threads. : en es
  • GB397852A - Improvements in or relating to the carrying out of chemical reactions with carbon monoxide : en
  • FR42694E - Improvements to dyeing works : en fr
  • FR751194A - Improvements to starting mechanisms : en fr
  • CH163503A - Liquid container. : de en
  • CH163464A - Staff panel. : de en
  • AU1074933A - Improvements in or relating to welding electrodes : en
  • CH163739A - A device on motor vehicles which acts during steering and in which the drive between the motor shaft and the two rear wheels can be switched on and off by a cone clutch. : de en
  • DE583070C - Process for the preparation of water-soluble leuco esters of Kuepen dyes : de en
  • US1924475A - Bottle crate : en
  • FR751309A - Improvements made to cinemodrivometers for air navigation : en fr
  • FR751367A - Folding bed : en fr
  • CH163517A - Washing machine. : de en
  • USD90607S - Design for a coffeepot ob similar : en
  • DE583099C - Cross weft winder : de en
  • PL18678B1 - Method for the production of organic acid anhydrides. : en pl
  • PL18694B1 - Smiga with rotating bearing planes supporting the plane in flight. : en pl
  • US1924674A - Lubricating apparatus : en
  • SU31666A1 - Device for mechanical soil analysis by Sabanin method : en ru
  • GB397792A - Improvements in or relating to closures for containers of glass or other frangible material : en
  • DE583388C - Process for the production of durable gelatinous, foam-developing preparations : de en
  • FR751192A - Lightweight, fast-moving tracked vehicle : en fr
  • SU31404A1 - Brushing and washing machine : en ru
  • SU31574A1 - Device for determining the antrum during surgery on the mastoid process : en ru
  • ES131485A2 - IMPROVEMENTS AND IMPROVEMENTS INTRODUCED IN THE MAIN PATENT : en es
  • GB397573A - Locking means for train stops employed on railways and other motor operated apparatus : en
  • ES131505A1 - Safety guard blade for razors. : en es
  • GB397618A - Improvements in gas rings : en
  • DE583166C - Training of aircraft wheel brakes : de en
  • DE583197C - Rotary kiln with chains for burning cement : de en
  • DE583200C - Schuettelsieb : de en
  • FR751354A - indelible labels, signs, signs, posters and their manufacturing process : en fr
  • GB397548A - Improvements in or relating to supply holders for yarn or the like in winding or like machines : en
  • GB397678A - Improvements relating to securing tiles, slabs and the like to surfaces : en
  • GB398163A - Dyeing process : en
  • FR751313A - Safety device for electric cable tractors : en fr
  • FR751360A - Improvement in process and device for obtaining relief photographs and resulting products : en fr
  • FR751386A - Automatic temperature regulator : en fr
  • GB397651A - Improvements in or relating to preparyment meter mechanism : en
  • GB397569A - Improvements in and relating to electrical measuring instruments : en
  • FR751210A - Improvements to machines for melting ingots and others used in printing operations : en fr
  • GB397589A - Improvements in and relating to electric conducting line suspension clamps : en
  • GB397700A - Improvements in or relating to sponge-rubber articles for the treatment and care of the feet : en
  • US1925068A - Floor : en
  • GB397715A - Improved anti-water-hammer device for pipe lines under pressure : en
  • DE583323C - Process for the production of high molecular weight alcohols : de en
  • CA335295A - Weldrod and welding method : en fr
  • CH163751A - Change gears on bicycles. : de en
  • DE583409C - Portable pipe testing device : de en
  • ES1750U - Guarantee closing device for bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • FR751220A - Method of constructing buildings, in particular residential houses : en fr
  • DE583206C - Device for the production of active carbon : de en
  • DE583284C - Safety device to prevent brakes on internal combustion engines : de en
  • BE397473R - Manufacture of wet binders : en fr
  • CA335211A - Copper zinc silicon alloy : en fr
  • CA335309A - Knitting machine : en fr
  • US1924349A - Adjustable pitch propeller : en
  • US1924871A - Boat keel : en
  • US1924140A - Typewriting machine : en
  • DE583132C - Rotary switch with illuminated ring and plug contact device, which is used for a single, group, changeover or cross connection, depending on the clamping : de en
  • FR42676E - Process for forming corrosion-resistant protective coatings on light metals : en fr
  • GB397846A - Improved method of making packages : en
  • US1924185A - Gas purification material and method of using the same : en
  • US1924809A - Liquid measuring device : en
  • PL18688B1 - The method of obtaining anhydrous magnesium chloride or anhydrous salt mixtures containing magnesium chloride. : en pl
  • US1924848A - Process and apparatus for cracking oil : en
  • US1924563A - Safety valve : en
  • US1924985A - Disk damper control : en
  • US1924166A - Production of nitro-sulphonic acids of polyhydroxyanthraquinones : en
  • US1924647A - Thermostat : en
  • SU31799A1 - Way to protect the premises : en ru
  • US1924200A - Furnace for smelting aluminium : en
  • DK47685C - Device for electrical capacitors or other appliances insulated in oil. : da en
  • GB397567A - Improvements in and relating to hand cases for hats and otherwise : en
  • GB397722A - Improvements relating to the suppression of froth in fermentation vats and similar vessels : en
  • US1924664A - Production of anthraquinone derivatives : en
  • DE583068C - Circuit arrangement for telephone systems : de en
  • US1924979A - Acetylene polymers and process of making same : en
  • US1924713A - Synthetic electrical musical system : en
  • USD90568S - Design for a toy dog : en
  • CH163573A - Process for coloring silver images. : de en
  • DE583118C - Device for engaging and disengaging for card striking machines : de en
  • DE583403C - Guide device for ramming piles from road pavers : de en
  • ES131494A1 - Perfections introduced in emboli. : en es
  • FR42671E - New control device for roller shutters and awnings : en fr
  • SU31513A1 - Device to compensate for the error of temperature rise of cold junctions of thermocouples in thermoelectric measuring devices : en ru
  • SU31647A1 - A method of making gramophone records : en ru
  • US1924630A - Wedge bar : en
  • CA335184A - Portable automobile tent : en fr
  • SU31410A1 - Device for producing peat coke and high-calorific gas : en ru
  • US1924094A - Drawing instrument : en
  • DE583272C - Hollow threads and similar tubular structures made of cellulose or cellulose derivatives with or without an insert made of textile threads and processes for the production of such structures : de en
  • CA335218A - Piston ring : en fr
  • GB397640A - Improvements in or relating to the production of gaseous mixtures and their application for use in re-heating processes of steel and alloys : en
  • DE583194C - Process for manufacturing highly refractory products : de en
  • ES131422A1 - Procedure for manufacturing a preparation for cleaning the types of typewriters, types, letters and printing rollers. : en es
  • ES131463A3 - A procedure to transform the melting boilers of bituminous and asphalt products into bitumen-taring machines. : en es
  • GB397726A - Improvements in or relating to gang lawn mowers : en
  • CA335155A - Sulphur dioxide separation : en fr
  • CH163760A - Siphon. : de en
  • CH163533A - Process for the preparation of 1.1.7-trimethylcyclo-heptan-2-one. : de en
  • CH163612A - DC welding machine. : de en
  • CH163735A - Brake cylinders, in particular for truck trailers. : de en
  • USD90563S - Design fob a grave vault or similar : en
  • US1924099A - Thermally hardening steel : en
  • CH163513A - Three- and multi-layer steel wire strand or rope. : de en
  • FR751283A - New anthraquinone derivatives and their preparation process : en fr
  • ES130939A1 - Improvements in the lubrication system of the spindles of the continuous spinning and twisting ring machines with movable holder. : en es
  • GB397694A - Improvements relating to wrappings or dressings : en
  • US1924273A - Striping instrument : en
  • US1924319A - Cathode structure for thermionic devices : en
  • US1924596A - Dog leash : en
  • PL18634B1 - The method of producing pipes with bold ends to the inside on eccentric rolling mills and a device for this purpose. : en pl
  • SU31636A1 - Automatic scales for fluid bodies : en ru
  • SU31591A1 - Fuel tank for kitchens of the Primus type : en ru
  • US1924513A - Sanitary toilet seat pack and container : en
  • US1924970A - Wheel : en
  • SU31434A1 - The method of obtaining furfural : en ru
  • SU31595A1 - Electric drum winch : en ru
  • SU31615A1 - The way to get novolakov : en ru
  • CH163609A - Process for removing metal from metallic objects. : en fr
  • CH163755A - Auxiliary device for accelerating the filling and releasing of the air brakes on railroad trains. : de en
  • US1924413A - Speedometer : en
  • US1924620A - Remote control selective device for automatic multiple-record phonographs or the like : en
  • FR751339A - Third mobile barrel for rifle : en fr
  • US1925045A - Welt for shoes : en
  • USD90589S - Design for a camera casing : en
  • PL18684B1 - A crankless motor-compressor with two counter-rotating pistons. : en pl
  • SU31815A1 - Sliding Crane : en ru
  • US1924168A - Alloy of aluminum and beryllium : en
  • BE397305A - : en fr
  • CH163462A - Sliding window with frameless glass panes to protect against the weather. : de en
  • US1924214A - Method of making articles from rubber dispersions : en
  • US1924259A - Shuttle for badminton and the like : en
  • US1925066A - Spring connecting means : en
  • PL18651B1 - Method of storage and evaporation of liquefied gases. : en pl
  • SU31386A1 - Fractional crown : en ru
  • SU31677A1 - Logarithmic line : en ru
  • CA335260A - Liquid dispenser : en fr
  • US1924215A - Railway traffic controlling apparatus : en
  • US1925004A - Brake or clutch : en
  • US1924399A - Wind instrument : en
  • CH163452A - Greenhouse, especially cucumber house. : de en
  • CH163500A - Payment tray. : de en
  • FR42667E - Blinding device for motor vehicle headlights : en fr
  • US1925003A - Internal combustion engine : en
  • CH163666A - Device for displaying iron or winding shorts in the exciter part of a synchronous generator. : de en
  • ES130877A3 - A method of making strap hooks for sewing straps. : en es
  • FR751252A - Process for improving raw steel ingots, which are cast without a weight : en fr
  • PL18709B1 - : en pl
  • US1924224A - Stick gripping and centering apparatus for frozen confections : en
  • US1924447A - Air conditioning apparatus : en
  • US1924747A - Apparatus for measuring color : en
  • SU31802A1 - Silk coil twisting machine : en ru
  • US1925065A - Granular material and method of making : en
  • PL18677B1 - Plate for dishes. : en pl
  • US1924339A - Inclinometer : en
  • US1924953A - Table : en
  • SU31563A1 - Kulana machine for bast plants : en ru
  • US1924397A - Filter-amplifier combination : en
  • US1924414A - Building structure : en
  • US1924441A - Process for preparing cyclohexylamines : en
  • PL18582B1 - Cap for closing bottles and other vessels. : en pl
  • US1924654A - Cooling air flow control for vehicle-engines : en
  • US1924946A - Power tool : en
  • US1924201A - Apparatus for smelting aluminium and other light metals : en
  • US1924634A - Valve for inflation purposes : en
  • DE583377C - Device for the separate production of intermediate layers : de en
  • ES130487A3 - Improvements in the construction of electrically operated refrigerators. : en es
  • US1924087A - Method and means for measuring and indicating properties of conductors : en
  • CH163728A - Scoreboard for the sale of benzine and other essences, based on at least one tariff. : en fr
  • CA335284A - Escapement : en fr
  • CH163519A - Procedure for creating welding reeds. : de en
  • GB397707A - Improvements in and connected with spring fillers for mattresses, cushions and the like : en
  • ES131303A1 - System of regulation of the pressure in the mechanisms of coupling by oil. : en es
  • ES1714U - Floors for footwear based on rubber latex or derivatives thereof. (Machine-translation by Google Translate, not legally binding) : en es
  • US1924193A - Regulating apparatus : en
  • SU31442A1 - Device for using heat from the hearth : en ru
  • CH163641A - Rotary machine used as a compressor or pump. : de en
  • BE397898A - New method for the manufacture of citric acid : en fr
  • CH163509A - Process for the production of structures from solutions of cellulose derivatives. : de en
  • SU31485A1 - Device for sparkless opening of contacts of contact measuring device : en ru
  • SU31786A1 - Ball Shape Submersible : en ru
  • US1924150A - Hose nozzle : en
  • US1924338A - X xx- - antid antidazzle device : en
  • FR751382A - Improvements to recording tachometers : en fr
  • GB397549A - Improvements in or relating to reinforced concrete piles : en
  • GB397652A - Improvements in mattress tufting frames : en
  • CH163450A - Fruit mill. : de en
  • US1924690A - Cable equalizer : en
  • CH163759A - Device for electrical space heating. : de en
  • PL18637B1 - A device for separating valuable cellulose fibers from seep water. : en pl
  • US1925005A - Coal treatment process : en
  • GB397600A - Explosive substance and method of manufacture thereof : en
  • GB397809A - Apparatus for testing gears for noise : en
  • CH163630A - Fastening device for wristwatches with brackets in order to be able to wear them in the buttonhole of the skirt. : de en
  • DE583112C - Knitwear and process for their production : de en
  • DE583208C - Lining of the dome by Cowpern with a sheet metal jacket : de en
  • US1924254A - Servo-brake of the centrifugal type : en
  • US1924709A - Packing case : en
  • US1924866A - Testing machine for beams : en
  • FR751120A - Process for the manufacture of metal propellers : en fr
  • PL18648B1 - Method for the production of unsaturated amines. : en pl
  • SU31462A1 - A device designed to prevent the reverse movement of cars when a train breaks : en ru
  • SU31586A1 - Casting ditch for casting steel bars : en ru
  • US1924228A - Governor control : en
  • SU31446A1 - Device to use the heat of the cast ingots to be cooled : en ru
  • US1924852A - Window cleaning device : en
  • SU31468A1 - Wand holder : en ru
  • US1924534A - Treating hydrocarbon oils : en
  • US1924896A - Grinding machine : en
  • US1924978A - Mop : en
  • CH163602A - Method of fixing the movement in a calotte watch. : en fr
  • CA335176A - Lock nut and bolt : en fr
  • ES131226A3 - A self-operating device usable as a claim device. : en es
  • FR42690E - Indirect shot billiard game : en fr
  • ES130992A3 - The manufacture of panels to cover square bathtubs. : en es
  • DE571845C - Contiguous pressed coal : de en
  • DE583374C - Process for the production of plastic art masses : de en
  • DE583047C - Device with hot air irradiation device for drying washed, pre-dried pork bristles u. like : de en
  • DE583363C - Seat with backrest, especially for motor vehicles : de en
  • AU1014132A - Improvements in or relating tothe manufacture of separable fasteners : en
  • CH163485A - Door handle. : de en
  • ES131384A3 - A procedure for the manufacture of rubber footwear with a wooden heel. : en es
  • ES130944A1 - An improvement in the manufacture of elastic yarn, rubber cords and the like. : en es
  • GB397720A - Improvements in and connected with combined vehicle head-lamps and audible warning devices : en
  • FR42656E - Method and device for landing by mist on an airfield : en fr
  • ES130597A1 - Procedure for obtaining clichés copy for printing and similar purposes. : en es
  • FR751111A - Pliers for cutting the spokes of bicycles, motorcycles, airplanes and automobiles : en fr
  • DE583092C - Cable guide for boat winches : de en
  • US1924588A - Grinding machine : en
  • DE583148C - Fluid meter with divided measuring drum that is rotated by the weight of the fluid : de en
  • CA335261A - Shock absorber remote control device : en fr
  • DE583239C - Method and device for the production of book blocks from cards, pictures, sheets and. like : de en
  • ES131477A1 - A new system for coating surfaces with curved walls, especially reservoir walls, silos and similar purposes. : en es
  • ES131390A1 - A mechanical brick manufacturing process, without pressing. : en es
  • SU31540A1 - Fine furnace for mining : en ru
  • SU31568A1 - Device for psychotechnical testing of car drivers : en ru
  • BE397580A - Machine for sorting, classifying and counting disks, tokens or the like, and more particularly applicable to coins : en fr
  • FR751184A - Method and device for making molded parts with fibrous material : en fr
  • FR751304A - Turn indicator for vehicle wheels : en fr
  • SU31807A1 - Mica splitting machine : en ru
  • US1924526A - Capacity increasing means for counting wheels : en
  • US1924268A - Thermionic amplifier : en
  • DE583033C - Circuit arrangement for telecommunication, especially telephone systems with company lines : de en
  • US1924772A - Wire rope or cable making machine : en
  • US1924829A - Power pump : en
  • ES131058A3 - Procedure for the suppression in all the fire extinguishers of bottles, containers or other similar, used until today for the projection or exit of the extinguishing product. : en es
  • ES131443A1 - A method for manufacturing rubber yarn. : en es
  • FR42674E - Constant current direct current generator : en fr
  • FR751231A - Piston machine, in particular internal combustion engine : en fr
  • GB397629A - Improvements in or relating to a method of forming an endless wire gauze cloth more particularly for use in the manufacture of paper : en
  • CH163660A - Device controlled by an alternating current for the timing of any switching process. : de en
  • ES131401A1 - New power system for any electrically driven vehicle. : en es
  • GB398179A - Improved appliances for playing board games simulating football : en
  • SU31789A1 - Device for setting ships in motion : en ru
  • US1924391A - Trolling winch : en
  • PL18573B1 - Brush for magneto. : en pl
  • US1924381A - Flush valve rod : en
  • GB397613A - Improvements in or connected with the manufacture of warp beams, or the like used in the textile trade : en
  • PL18631B1 - Rotary cooler for producing cold. : en pl
  • US1924172A - Apparatus for pressing shoes : en
  • PL18657B1 - Electric speed loss warning device. : en pl
  • SU31503A1 - Electrodynamic measuring device : en ru
  • SU31631A1 - Automatic scales for loose bodies : en ru
  • US1924294A - Apparatus and method of extruding pipe : en
  • CA335241A - Crystallizer : en fr
  • GB397742A - Improvements in and relating to two-stroke-cycle gas engines : en
  • GB397759A - Improvements in valved amplifying circuits : en
  • SU31605A1 - Tree preservation method : en ru
  • SU31813A1 - Transport pipe : en ru
  • US1924559A - Change speed gearing : en
  • US1924174A - Means and method of measuring distance : en
  • US1924650A - Siding material : en
  • CH163726A - Vehicle comprising an installation allowing the production of signs and the emission of sounds. : en fr
  • CH163708A - Self-seller of electricity with discount tariffs. : de en
  • CH163604A - Timepiece with automatic calendar. : en fr
  • FR751131A - Manufacturing process of neutral sodium pyrophosphate : en fr
  • FR751168A - Machine for the destruction of weeds : en fr
  • GB397848A - Improvements in and relating to the storage of fruit : en
  • SU31854A1 - Device for supplying measured quantities of liquid : en ru
  • US1924314A - Electric battery : en
  • FR42657E - Automatic petrol dispenser : en fr
  • DE583073C - Process for the production of rubberless orthopedic socks on flat knitting machines : de en
  • DE583298C - Signaling device for alarm systems, especially fire alarm systems : de en
  • BE397607A - : en
  • ES130592A1 - Manufacturing process of extractive phosphorus packaging tape. : en es
  • SU31556A1 - Centrifugal fan : en ru
  • SU31643A1 - A device for mounting the needle in gramophone pickups : en ru
  • US1924557A - Casement window operator : en
  • US1924872A - Method of manufacturing zinc oxide : en
  • DE583111C - Device for the conveyance of Gluehgutbehaeltern through glow ovens : de en
  • ES131442A1 - A method for manufacturing rubber yarn. : en es
  • CA335157A - Stereotype matrix former and drier : en fr
  • BE397132A - : en
  • PL18581B1 - : en pl
  • SU31745A1 - Flue furnace for smoking : en ru
  • SU31747A1 - A device for crushing lumps of tea : en ru
  • SU31853A1 - Trailer cart for motor carts : en ru
  • US1924900A - Symmetrical heating unit : en
  • US1924987A - Combination lock : en
  • DE583088C - Airplane with rotating wing : de en
  • SU31742A1 - Vertical Cone Crusher : en ru
  • US1924921A - Indicating valve stem and low pressure signal switch : en
  • USD90602S - Design for a camera casing : en
  • FR751399A - Illuminated fabric and its manufacturing process : en fr
  • PL18689B1 - A method of controlling plant pests, and an apparatus for carrying out the method. : en pl
  • DE583163C - Schleger-like device for advancing the film in cinema sets : de en
  • ES131371A3 - A procedure for manufacturing lead bullets for firearms. : en es
  • FR751118A - Electrically controlled spinning regulator for spinning machines : en fr
  • FR751137A - Spring balance : en fr
  • FR751147A - Protective cover for cameras : en fr
  • GB397772A - Improvements in gill-box drawing mechanisms : en
  • SU31831A1 - Installation of a vertical hydraulic turbine : en ru
  • SU31582A1 - Method of adrenaline secretion from adrenal glands using electrodialysis : en ru
  • US1924651A - Aircraft : en
  • US1924464A - Smokeless powder and process of manufacturing same : en
  • SU31561A1 - Machine for plucking bristles from skins : en ru
  • US1924614A - Intermittent color textile printing machine : en
  • US1924753A - Capping machine : en
  • US1924870A - Treatment of motor fuel : en
  • US1924909A - Folder or booklet to be attached to alpha can or the like : en
  • US1925032A - Fuel heater : en
  • US1924803A - Loud speaker : en
  • ES131424A1 - Procedure for the manufacture of a paste suitable for the construction of toys in general. : en es
  • FR751390A - Advanced trafusoir for textile processing : en fr
  • GB397637A - Improvements in or relating to cigarette or cigar cases : en
  • SU31697A1 - The way to kill insects : en ru
  • SU31852A1 - Press Press for the manufacture of metal sheets : en ru
  • AU1132733A - Improvements in or relating to electric circuit cutout insulators : en
  • ES131411A1 - A pneumatic cleaning table for coals, minerals or other materials. : en es
  • DE583229C - Device for the changing display of goods : de en
  • DE583410C - Safety device for circuits in which voltage-dependent resistors are switched on : de en
  • GB397695A - Improvements in or relating to the construction of houses : en
  • DE583060C - Method of fastening railroad tracks to masonry : de en
  • PL18604B1 - The way of rolling V-shaped profile iron. : en pl
  • PL18623B3 - Sliding cover for automatic firearms. : en pl
  • DE583386C - Circuit arrangement for telephone systems : de en
  • ES131532A1 - Improved rocking machine. : en es
  • CH163636A - Coupling that acts in one sense of rotation and can withstand impact. : de en
  • DE583170C - Measuring vessel head for dispensing systems : de en
  • DE583126C - Automatic door drive for vehicles, especially one-man cars for electric tram operation : de en
  • US1924293A - Engraving machine : en
  • US1924817A - Combined mop and mop wringer : en
  • USD90597S - Design for a lamp shade : en
  • USD90592S - Design for a stick of chewing gum : en
  • PL18691B1 - Recognition board for all kinds of motor vehicles. : en pl
  • GB397665A - Improvements in or relating to letterpress printing machines : en
  • GB397592A - Improvements in or connected with collapsible or occasional tables : en
  • US1924761A - Inclinometer : en
  • US1924825A - Sand spreader : en
  • US1924106A - Submarine cable loading coil : en
  • US1924878A - Method and apparatus for burning pulverized fuel : en
  • FR751119A - Electric machine with auxiliary machine : en fr
  • US1924885A - Self loading and unloading truck : en
  • DE583052C - Manufacture of calcined trialkali phosphate : de en
  • DE568183C - Process for making raster copies : de en
  • GB397741A - A method for the production of artificial leather : en
  • DE583371C - Press for gluing soles to footwear : de en
  • DE583390C - Tubular casting mold made of copper for the production of centrifugally cast pipes : de en
  • DE583434C - Device for refrigerating or freezing food : de en
  • DE583081C - Suspended ceiling made of panels : de en
  • FR751395A - Cosmetic ointment : en fr
  • SU31493A1 - Device for automatic control of electrical wire planing machine : en ru
  • US1924568A - Magazine or book stand : en
  • DE583432C - Generators of stressed combustion gases : de en
  • ES130744A1 - Improvements introduced in the manufacture of bench screws. : en es
  • GB397813A - Improvements in pressure gas burners for furnaces : en
  • GB397850A - Improvements in reel supporting mechanism for use in printing machines : en
  • SU31492A1 - Electrodynamic braking method of electric motors : en ru
  • SU31654A1 - A device for recording sound on gramophone records : en ru
  • US1924574A - Vulcanization of rubber : en
  • PL18557B1 - Method for the preparation of copper-containing bis-dinium dyes. : en pl
  • DE583146C - Process for the production of porous or microporous objects made of vulcanized rubber or the like from aqueous dispersions : de en
  • GB398165A - Improvements in door latch furniture : en
  • PL18730B1 - Manufacturing method of sliding latches. : en pl
  • SU31703A1 - Internal combustion engine : en ru
  • US1925048A - Fuel composition and method of producing the same : en
  • DE583199C - Device for the automatic starting of a synchronous motor used to drive clocks or the like : de en
  • PL18594B1 - A method of producing choline derivatives of the carbamic acid series. : en pl
  • GB397711A - Improvements in process of treating textile materials : en
  • FR751248A - Motion picture device : en fr
  • US1924858A - Price ticket holder : en
  • DE583115C - Method and device for conveying sheets into a stack : de en
  • DK47702C - Power shut-off and disconnect mechanism for the interaction with a coin machine and a clock, respectively, e.g. for Inserting and Extending a Radio Receiver. : da en
  • US1924505A - Vegetable spray counter : en
  • US1924855A - Treatment of hydrocarbon oils : en
  • FR751341A - Improvements to public lighting devices : en fr
  • DE583144C - Indirectly acting steam heater : de en
  • DE583083C - Spring flap etc. : de en
  • DE565359C - Machine system consisting of several high-speed multi-cylinder internal combustion engines, in particular diesel engines : de en
  • DK47688C - Press Tool for Making Cigar Wrap Inserts. : da en
  • ES131357A1 - A procedure for the destruction of harmful herbs of all kinds. : en es
  • GB397552A - Improvements in or relating to telephone systems : en
  • DE583150C - Membrane gas meter with constant reversal and eight valves : de en
  • FR751134A - Piston pump : en fr
  • US1924115A - Protective means for electrical systems : en
  • US1925063A - Wax-like esters and method of preparing the same : en
  • USD90585S - frank koenigkramer : en
  • USD90591S - Design for a confection : en
  • SU31601A1 - Sanding wheel for circular saws in place : en ru
  • US1924840A - Method for the compensation of capacity unbalances in the groups of cores of telegraph and telephone cables : en
  • US1924898A - Cold storage doorlock : en
  • DE583205C - Process for the production of hydrogen or hydrogen-nitrogen mixtures : de en
  • ES130091A1 - A switching device-counter for automatic signaling of vehicles in motion. : en es
  • GB397719A - Improvements in electric lamps : en
  • PL18661B1 - Wall for cash registers. : en pl
  • SU31657A1 - A device for calibrating maximum thermometers for dropping mercury into a tank : en ru
  • ES131530A1 - A switch, especially pole switch for electric railways. : en es
  • DE583058C - Condenser with cooling tubes arranged in groups in a jacket : de en
  • CA335247A - Scale : en fr
  • CH163502A - Adjustable brush. : de en
  • FR751246A - Construction of walls with reinforcement in a network of metal wires or the like : en fr
  • ES131034A1 - A procedure for the manufacture of cinematographs that use the reflection of light on images printed on opaque surfaces. : en es
  • ES1741U - Nebulizer for the application of nasal sprays. (Machine-translation by Google Translate, not legally binding) : en es
  • GB397603A - Improvements in metallic joints for withstanding fluid pressure : en
  • US1924636A - Crack filler : en
  • FR751266A - Improvements in devices for controlling electric motors, in particular traction motors : en fr
  • US1925041A - Method of producing carbon dioxide in solid form : en
  • US1925058A - Process for forming plastic clay masses : en
  • GB397688A - Television method : en
  • US1924105A - Electrical resistor : en
  • US1924396A - Plastic and resinous compositions of matter and method of making same : en
  • US1924865A - Lapping tool : en
  • DE583063C - Conveyor car for chain tracks : de en
  • FR751254A - Advertising device with color scheme : en fr
  • ES131523A3 - A procedure for the production of ammonium nitrate. : en es
  • GB397654A - Improvements in or relating to gyroscopic compasses : en
  • FR751122A - Process for manufacturing cones and sleeves made of pile, crimped, curly or wavy felt : en fr
  • FR751445A - : fr
  • GB397760A - Improvements in or relating to violins or like instruments : en
  • GB397881A - Improvements in the manufacture and treatment of filaments and the like : en
  • DE583095C - Work stand for shoemakers : de en
  • FR751196A - building element : en fr
  • GB397823A - Improvements in and relating to circuits for relays in alternating current systems : en
  • CA335236A - Weldomatic oscillator : en fr
  • CH163469A - Equipment at pits containing liquids, in particular cesspools, to prevent drowning. : de en
  • GB397650A - Adjustable nature specimen holder with waterwell and background for use in schools and at-classes : en
  • ES131486A1 - A machine for tamping concrete or any other material that serves for the construction of roadway coverings. : en es
  • ES131484A1 - An improved device for the coupling of the replacement barrel in machine guns and other similar firearms. : en es
  • FR42692E - Synchronous motor with variable speed and self-starting : en fr
  • DE583216C - Circuit arrangement for measuring the pulse ratio of a dial : de en
  • DE583913C - Method and device for generating a high quality gas. : de en
  • ES130974A1 - A method to produce electrodes for electric welding. : en es
  • ES131435A1 - Improvements in the procedures, in the devices for taking views and projection and in films for color cinematography. : en es
  • FR751274A - Improvements to cases for makeup sticks or similar products : en fr
  • DE583003C - Process for the production of raw materials for ceramic bodies : de en
  • ES131290A1 - Improvements in the preparation of bituminous mixtures for paving. : en es
  • ES131365A1 - Improvements introduced to internal combustion engines. : en es
  • GB397757A - Improvements in the construction of sea-going cargo vessels : en
  • ES131542A1 - A procedure for the destruction of flies and other insects. : en es
  • GB397684A - Improvements in heat distributing bodies (top plates) for electric cooking plates : en
  • CA335153A - Recording testing machine : en fr
  • FR42684E - Removable carrycot for folding child's bed : en fr
  • US1924340A - Forming apparatus : en
  • US1924377A - Regulator system : en
  • CH163572A - Process for the optical compensation of differences in pitch between the recording and the copier color raster in the production of naturally colored images. : de en
  • CA335209A - Aluminum corrosion preventing method : en fr
  • DE583041C - Stock consistency and quantity regulator for paper and board machines : de en
  • CA335152A - Ash tray : en fr
  • ES131030A3 - New stopcock device. : en es
  • FR751237A - Process for the preparation of 1-iodo-8-oxynaphthalenesulfonic acids : en fr
  • US1924911A - Process for neutralizing and sweetening gasoline : en
  • CH163774A - Process for the preparation of a vat dye. : de en
  • PL18685B1 - Puller for automatic tongs. : en pl
  • US1924781A - Low pressure diaphragm gauge : en
  • FR751186A - Soap holder system : en fr
  • US1924795A - Selective receiver : en
  • DE582894C - Device for the automatic separation of the already cut but still connected stitching threads between two neighboring book blocks in book stitching machines : de en
  • US1924548A - Construction material : en
  • GB397659A - An improved winding apparatus for metals in ribbon-like form : en
  • USD90576S - Design for a fabric : en
  • FR751277A - Process and device for the industrial manufacture of an anticryptogamic powder based on copper oxy-chlorides : en fr
  • GB397845A - Improvements in devices for cutting wooden boards : en
  • USD90604S - Design for a steering wheel : en
  • FR751218A - Tire deflation warning device : en fr
  • US1924518A - Method of producing insecticides : en
  • FR751240A - Cleaning product : en fr
  • GB397891A - Anti dazzle device for motor vehicle lights : en
  • FR751249A - Improvements to direction finders, position indicators and similar devices : en fr
  • FR751216A - Heavy oil gasifier : en fr
  • FR751233A - Motor driven positive displacement pump : en fr
  • US1924363A - Front wheel drive motorcycle : en
  • US1924469A - Push-pull amplifier : en
  • US1924998A - Radiator : en
  • FR751227A - Improvements to mechanical strainers : en fr
  • FR751316A - Process and machine for the production of welded tubes : en fr
  • GB397585A - Improvements in and relating to electric reading lamps : en
  • US1925059A - Window : en
  • ES131353A1 - DEVICE TO SCRAMBLE THE FIELD IN FORESTRY, AS WELL AS TO BE USED IN OTHER JOBS WHERE A STRONG AND FREE FLAME IS REQUIRED : en es
  • ES131489A1 - An electrical resistance with negative temperature coefficient. : en es
  • PL18716B1 - Resonant Vibration Damper. : en pl
  • GB397576A - Improvements relating to bagatelle or like board game apparatus : en
  • CA335178A - Fragile product container : en fr
  • CH163528A - Apparatus for the heat treatment of filled cans and similar objects, in particular for cooking food filled in cans. : de en
  • PL18572B3 - Cigarette tube. : en pl
  • SU31811A1 - Band conveyer : en ru
  • DE583387C - Process for the removal of hydrogen sulfide and organic sulfur compounds from gas mixtures and vapors : de en
  • PL18662B1 - A board made of wooden slats for roofing. : en pl
  • DE583006C - Inductive device for the transmission of characters from the vehicle to the track : de en
  • DE583191C - Device for taking natural color images : de en
  • DE583381C - Method and device for cooling metallurgical ovens, casting molds and the like Like. With the help of circulating high pressure water or high pressure steam : de en
  • DE583038C - Device to prevent dripping when removing hot water from hot water storage tanks : de en
  • DE583219C - Reel arrangement for antennas of variable length : de en
  • DE583257C - Adjusting device for the rolls of rolling mills : de en
  • DE583336C - Waterproof pad in the shape of a pool : de en
  • DE583382C - converter : de en
  • CH163685A - Device used to propagate fire. : en fr
  • US1924971A - Plaster terminal : en
  • US1924986A - Partition wall and method of constructing the same : en
  • CA335266A - Refractory material : en fr
  • PL18628B1 - Floatless carburetor for internal combustion engines. : en pl
  • PL18697B1 - A method of producing a mixed fertilizer containing calcium phosphate and nitrogen : en pl
  • US1924389A - Tongs : en
  • US1924423A - Plunger pump : en
  • US1924676A - Hair clippers : en
  • US1924929A - Yarn spool : en
  • USD90605S - Design for a textile fabric or : en
  • CH163564A - File or document folder. : en fr
  • CH163571A - Reflex camera with movable mirror. : de en
  • FR751368A - Method and device for electrically transmitting signals by high frequency waves : en fr
  • GB397874A - Improvements in or relating to brakes : en
  • DE583359C - Drive device for motor vehicles with several drive axles : de en
  • SU31455A1 - Method of making nichrome wire : en ru
  • AU883732A - Improved separator for recovering particles of gold from material of lesser specific gravity : en
  • DE583289C - Device for shop window displays or the like. : de en
  • ES131393A1 - A heavy oil engine. : en es
  • FR751157A - Exhaust gas cleaning device : en fr
  • CH163468A - Beam for horizontally running scaffolding parts. : de en
  • ES1870U - Letters with grid or paper frame armed on wooden rods and stamped wood background (Machine-translation by Google Translate, not legally binding) : en es
  • FR751225A - Refrigeration group : en fr
  • FR751322A - Installation for motor vehicles : en fr
  • FR751376A - Method of distributing images on cinematographic film : en fr
  • GB397828A - Process for the manufacture of varnish having a base of albuminoid : en
  • US1924301A - Chuck for holding bar stock and the like : en
  • US1924451A - Bowl-holder for melted solder : en
  • US1924512A - Trousers protector : en
  • US1924521A - Washing machine cylinder : en
  • US1924851A - Electric vehicle : en
  • PL18654B1 - The method of producing benzene. Its homologues from naphthalene. : en pl
  • SU31441A1 - Quinine and eihinin separation method : en ru
  • SU31652A1 - Device for reducing noise (background) when playing back soundtracks recorded on film : en ru
  • CH163784A - Process for the preparation of a neutrally soluble metal complex salt. : de en
  • ES131511A3 - Elastic suspension for motor vehicles with four wheels of independent mutual elasticity. : en es
  • GB397795A - Sliding hood on closed vehicles : en
  • USD90610S - Design for a saucepan or similar : en
  • PL18605B1 - A method of securing grates in furnaces, especially in Dwight-Lloyd furnaces and similar devices. : en pl
  • SU31415A1 - Mesh non-shedding distillation column tray : en ru
  • PL18576B1 - : en pl
  • SU31611A1 - The method of preparation of plastics : en ru
  • SU31777A1 - Tricycle for transportation of goods : en ru
  • SU31821A1 - Tractor-type instrument for determining short periods of time : en ru
  • US1924375A - Cathode structure for thermionic devices : en
  • US1924593A - Grinding machine : en
  • SU31579A1 - Mask to protect the face from dust, wind, etc. : en ru
  • PL18544B1 - Hydrogen production method. : en pl
  • US1924919A - Method of distilling : en
  • SU31394A1 - Device for mechanical haulage endless rope on one track : en ru
  • SU31413A1 - Peat agitator : en ru
  • AU1064732A - Improvements in or relating to boiler cleaners or soot blowers : en
  • SU31626A1 - Metering device : en ru
  • SU31676A1 - Circular counting logarithmic instrument with spiral logarithmic scale : en ru
  • US1924384A - Tough tungsten carbide alloy : en
  • SU31822A1 - Device for quenching the energy of water discharging into the downstream : en ru
  • US1924967A - Propellant powder and process of making the same : en
  • US1924358A - Earth moving device : en
  • US1924477A - Power applicator : en
  • SU31436A1 - The method of obtaining oxalic acid from its medium sodium salt : en ru
  • US1924160A - Machine for making blanks : en
  • FR751140A - Improvements to footwear and glues used in their manufacture : en fr
  • GB397817A - Rivet removing device, especially for roller chains : en
  • SU31403A1 - Deployment device duplicated : en ru
  • SU31695A1 - Cotton harvesting machine : en ru
  • US1924369A - Control apparatus for railway switches : en
  • US1924605A - Muffler : en
  • US1924881A - Open truss girder : en
  • ES131539A1 - Hydrophobic and waterproofing process of cements, concretes, mortars and similar materials. : en es
  • US1924954A - Apparatus for obtaining hydrogen peroxide by distillation : en
  • DE582241C - Removal of carbonic acid and carbon monoxide from gases : de en
  • DE582809C - Selection device for the printing plates passing through an address printing machine : de en
  • SU31779A1 - Instrument for determining the degree of filling of pneumatic tire tubes with air : en ru
  • US1924511A - Sand box : en
  • US1924951A - Eyeglass frame : en
  • GB397882A - Process and apparatus for the production of road surfaces and foundations for railway tracks : en
  • US1924237A - Bogie truck for railway and like vehicles : en
  • US1924490A - Work-holder for darning, mending, embroidering, etc. : en
  • DE583187C - Fluid switch : de en
  • FR751110A - Development of side-unloading trucks : en fr
  • FR751166A - Improvements to molds to obtain typographic elements or characters : en fr
  • DE583329C - Arrangement for determining the location of moving bodies by means of directional beams : de en
  • CH163454A - Device for loosening the cattle from outside the stable in the event of fire. : de en
  • DE583196C - Process for the production of road tar emulsions : de en
  • ES131405A1 - A method for making articles containing rubber or similar materials. : en es
  • FR751164A - Box : en fr
  • DE583076C - Luffing crane with almost horizontal load movement : de en
  • SU31638A1 - Adaptation for weight dosage of cement and other bulk materials : en ru
  • US1924149A - Marker and flower holder : en
  • US1924322A - Gear-reduction constant-speed unit with universal motors : en
  • GB397670A - Pipe joint without packing : en
  • GB397584A - Improvements in, or relating to, automatic road traffic control signals : en
  • GB397602A - Improvements in window fastenings : en
  • US1924577A - Brake : en
  • US1924643A - Manually operable cigarette rolling machine : en
  • US1924869A - Protection valve device for water meters and the like : en
  • US1924142A - Process and apparatus for sulphurizing paper board : en
  • PL18674B1 - A method of treating the surface of objects made of aluminum or aluminum alloys. : en pl
  • ES130836A1 - Perfections in the spindles for double twisting. : en es
  • ES131521A3 - A new machine for the manufacture of reinforced concrete blocks. : en es
  • DE583270C - Synchronization device for multi-motor drives of continuous roller lines : de en
  • US1924491A - Method and apparatus for directing the switching of railway cars at yards and terminals : en
  • DE583335C - Process, spin pot and spin pot insert for the production of artificial silk spider cake : de en
  • GB397716A - Improvements in or relating to installations comprising a gasfilled electric discharge lamp : en
  • ES1675U - Shelving and supports for the display of items in shop windows, cabinets and similar purposes. (Machine-translation by Google Translate, not legally binding) : en es
  • ES131506A1 - PROCEDURE FOR THE MANUFACTURE OF SCISSORS : en es
  • ES131500A3 - Procedure for the manufacture of hydrogen peroxide. : en es
  • FR751332A - Terminal assembly for cables : en fr
  • GB397674A - Improvements in and relating to the conversion of continuous current into three-phase current : en