• US2022723A - Egg turning tray : en
  • US2022797A - Means for spinning metal : en
  • CA354501A - Shirt and collar : en fr
  • US2023099A - Motor vehicle license plate : en
  • US2023307A - Artificial ground surface : en
  • US2023325A - Bottle capping machine : en
  • US2023009A - Folding table : en
  • FR791020A - Keychain enhancements : en fr
  • US2022675A - Ammoniacal composition containing calcium nitrate, its preparation, transportation and use : en
  • US2023359A - Whey preparation : en
  • US2023302A - Protective block for the tubes of fluid-cooled furnace walls : en
  • CA354563A - Television system : en fr
  • US2022744A - Process of providing knitted fabrics with self-fringe : en
  • CA354572A - Fuel oil preparation : en fr
  • DE622642C - Facility for brief exposure to roses : de en
  • DE622648C - Production of phosphorus trichloride from ferrophosphorus : de en
  • GB439464A - Improvements in or relating to collars for personal wear : en
  • US2023078A - Bumper : en
  • US2023340A - Tree holder : en
  • US2023391A - Shirt and collar : en
  • CA354473A - Steam generating apparatus : en fr
  • FR791302A - Automobile body : en fr
  • GB439208A - Improvements in hydraulic air blowers : en
  • CA354560A - Electric furnace : en fr
  • US2022673A - Composition of matter containing fertilizer materials, its preparation and use : en
  • US2023205A - Treatment of hydrocarbon oils : en
  • US2023282A - Sign : en
  • DE612925C - Pipe steam generator with forced flow of the working medium : de en
  • US2023376A - Card punching machine : en
  • DE622889C - Paper roll brake for rotary printing machines : de en
  • FR791187A - Air conditioning system : en fr
  • US2023034A - Shock absorber : en
  • US2023065A - Motion picture apparatus : en
  • USD97712S - Design for a flower holder or similar article : en
  • DE622834C - Pendulum suspended countersink for abrasion-sensitive goods : de en
  • FR791058A - Signaling device, particularly for central call systems : en fr
  • US2023138A - Electrically operated pump : en
  • US2023312A - Amphibian aircraft pontoon : en
  • FR791007A - Clothing : en fr
  • FR791095A - Soot sweeping device for steam generator : en fr
  • FR791162A - Universal automatic folding cart : en fr
  • GB439390A - Improvements in or relating to the polymerisation of acrylic acid esters : en
  • DE622748C - Dry gas backflow protection for autogenous welding systems : de en
  • US2022716A - Automatic furnace : en
  • US2022864A - Machine for slitting the face of nuts : en
  • US2022779A - Seed harvesting machine : en
  • US2023041A - Abrasive device : en
  • US2023301A - Track shunting apparatus : en
  • FR791194A - Method and apparatus for separating granular material of all kinds in the form of slurry or slurry : en fr
  • GB439265A - Process for the production of valuable products from coal varieties, tars, mineral oils and the like : en
  • GB439438A - Improvements relating to control arrangements for trolley buses : en
  • FR791081A - Electrically operated washing machine : en fr
  • US2023352A - Vehicle wheel : en
  • US2022842A - Meat-treating appliance : en
  • US2022973A - Rosin drying oil and process of producing the same : en
  • DE622743C - Hand block welding torch : de en
  • US2023337A - Resin acid derivatives and process of preparing the same : en
  • CA354514A - Cable end fitting : en fr
  • US2022758A - Ground detecting arrangement : en
  • US2023135A - Vehicle suspension : en
  • FR791309A - Crown pallet for axleboxes with automatic lubrication : en fr
  • US2023020A - Wood heel turning machine : en
  • US2023032A - Textile drafting device : en
  • US2023072A - Oil burner : en
  • US2022841A - Two-cycle internal combustion engine : en
  • US2022863A - Arcing guard : en
  • FR791336A - Porcelain bridge with support frame for dental prosthesis and its manufacturing process : en fr
  • FR791086A - Manufacturing process for coloring materials : en fr
  • AU2026334A - Improvements in or relating to television and like systems : en
  • US2022712A - Clothes drier : en
  • US2022909A - Shaft coupling : en
  • US2023107A - Washing machine : en
  • US2023209A - Fly swatter : en
  • GB439347A - Improvements in method and means for installing valve seats : en
  • US2022656A - Means for filling and sealing a vessel : en
  • US2023375A - Process of manufacturing refined products from mineral oils : en
  • GB439398A - Improvements in or relating to a method of removing size dressing and the like from textiles : en
  • FR791070A - Process for splitting relatively low volatile hydrocarbons into more volatile hydrocarbons : en fr
  • GB439348A - Letter file : en
  • FR791222A - Assembly intended to keep electric voltages constant by means of non-ohmic resistance conductors : en fr
  • US2023070A - Protective system : en
  • US2023313A - Telemeter or like instrument : en
  • US2023381A - Centrifugal molding of concrete bodies : en
  • DE622784C - Shooting toy with electrical release of the ignition plate : de en
  • DE622866C - Process for the production of photosensitive layers for photographic purposes : de en
  • GB439166A - Improvements relating to electric regulating systems : en
  • GB439198A - An improved manufacture of portland cement and the like : en
  • US2023233A - Power actuated dump wagon : en
  • FR791003A - Device ensuring the maintenance of automatic communications obtained by selective calling : en fr
  • FR791321A - Rubber plasticization process : en fr
  • GB439396A - Improvements in gripping and lifting devices for well casings, pipes and the like : en
  • DE622766C - Device for reproducing the shape of human and animal body parts, in particular the human foot, for orthopedic purposes : de en
  • DE622773C - Method and device for measuring the slack of textile threads : de en
  • DE622783C - Skis made from two types of wood : de en
  • GB439286A - Improved method of and means for controlling the performance of electric motors : en
  • FR791349A - Tâte-lie dispenser for drawing liquids and in particular wines : en fr
  • FR791050A - Medical instrument, especially for dental surgery : en fr
  • GB439302A - Lenses : en
  • GB439343A - Improvements in or relating to waterproofed fabric gloves : en
  • GR5547B - ENGINEER FOR CONSTRUCTION OF VERTICAL CLAYS DURING THE SIDE OF CLAY VESSELS. : el en
  • DE622618C - Induction furnace without an iron core with a screen made of non-magnetizable, well-conductive metal : de en
  • GB439474A - Improvements in or relating to compound regenerative coking ovens : en
  • US2023171A - Reel : en
  • US2022826A - Electric control apparatus for fuel burners : en
  • US2023387A - Wetting agent : en
  • USPP156P - byrum : en
  • US2023112A - Crystal holder : en
  • GB439309A - Improvements in or relating to ventilating systems for vehicles : en
  • GB439221A - Improvements relating to card index trays : en
  • FR791044A - Shock absorber device for automobile doors : en fr
  • GB439271A - Improvements in and relating to high frequency electric cables : en
  • GR5549B - INSIDE THE ROULETTE GAME MATHEMATICALLY REPLACES THE MACHINE OF THE SAME NAME. : el en
  • US2022965A - Page end indicator : en
  • US2023037A - Split peach pitter : en
  • FR791133A - Appliance for household use of activated carbon and other absorbents : en fr
  • GB439478A - An article of use composed of a watch and a pocket lighter in a decorative casing : en
  • CA354474A - Remote control apparatus for valves : en fr
  • US2022847A - Process of sweetening light naphthas : en
  • USD97673S - Design for a goblet or similar : en
  • US2022840A - Inking mechanism for multicolor printing presses : en
  • US2023038A - Shoe stretcher : en
  • US2022648A - Tool for extracting tierods from cast concrete : en
  • GB439337A - Improvements in and relating to cigarette collecting mechanism for continuous rod cigarette making machines : en
  • FR791343A - Full flow or adjustable flow quick open and close valve : en fr
  • USD97749S - Design for a hand mirror : en
  • CA354532A - Creel : en fr
  • FR791235A - Box for packaging or other applications : en fr
  • GB439324A - Improvements relating to a method of and apparatus for observing the nature of a magnetic field : en
  • DE622862C - Process for the production of undercut recesses in the rail guide ribs of iron railway sleepers : de en
  • FR791041A - Brake pads : en fr
  • FR791043A - New coloring materials and their manufacturing process : en fr
  • DE622820C - Automatic centrifugal friction clutch : de en
  • FR791012A - Improvements to cutter bars for mowers and harvesters : en fr
  • GB439231A - Internal combustion engine combined with a part adapted to work eventually as a compressor in a single machine : en
  • GB439434A - Improvements relating to television or like apparatus : en
  • GB439473A - Improvements in or relating to joints for high tension electric cables : en
  • DK50978C - Lamp with Element, especially for Bicycles. : da en
  • USD97729S - Design fob a bathtub : en
  • GB439277A - Improvements in or relating to devices for the straightening of teeth : en
  • DE622814C - An anchor bent from a metal rod for attaching wall blocks, wall dowels, dowel stones, wooden frames or the like. : de en
  • DK50967C - Electromagnetic Relay. : da en
  • FR791190A - Further training in servo-clutches for motor vehicles : en fr
  • FR45788E - Process for manufacturing electrical conductors, in particular heating resistors, and conductors obtained by this process : en fr
  • DE622720C - Circular loom : de en
  • US2022918A - Pumping power : en
  • US2022886A - Rumble seat lock : en
  • GR5548B - CENTROFYX PUMP. : el en
  • CA354499A - Boiler incrustation removing means : en fr
  • US2022862A - Electric motor controller : en
  • FR791211A - Arc welding method and device : en fr
  • GB439255A - Improvements in apparatus for degassing liquids : en
  • US2023114A - Range control system : en
  • FR791163A - : fr
  • GB439264A - Improvements in or relating to spectacle frames : en
  • GB439289A - Improvements in or relating to abrasive sheet material : en
  • DE622636C - Process for detoxifying tobacco smoke : de en
  • DE622687C - meat grinder : de en
  • FR791245A - Lighting lamp for sewing machines : en fr
  • US2022746A - Newspaper printing machine : en
  • DE622819C - Method for operating a mixture-compressing four-stroke internal combustion engine : de en
  • GB439472A - Improvements in and relating to coreless induction furnaces : en
  • US2022680A - Humidifier : en
  • US2022953A - Vulcanization of rubber : en
  • DE622838C - Sliding play : de en
  • US2022822A - Pilot wrench : en
  • US2023084A - Regulating system : en
  • FR791199A - Advanced enclosure for air-cooled aircraft mounted engines : en fr
  • FR791327A - Process for separating mixtures of substances of high molecular weight, for example hydrocarbon oils : en fr
  • US2022721A - Display carton : en
  • DE622801C - Process for the production of calcium cyanamide fertilizers and phosphorus or phosphorus oxides : de en
  • FR45767E - Manufacturing process of cathode ray oscillographs : en fr
  • FR791320A - Improvements in color photography : en fr
  • GB439207A - Improvements in or relating to the conveying of slurry : en
  • GB439476A - Improvements in and relating to spraying devices : en
  • DE622632C - Spool holder for roll film cameras : de en
  • DE622682C - Device for operating an X-ray tube or cathode ray tube operating with a pulsating current : de en
  • DE622800C - Process for the preparation of substitution products of butadiene and its homologues : de en
  • US2023199A - Process for the treatment of liquids with ammonia : en
  • US2022782A - Process for condensing vapors from gas mixtures : en
  • DE622600C - Process for the production of light-diffusing hollow glass bodies : de en
  • DE622737C - Injection molding machine for pouring bearing shells or similar workpieces : de en
  • GB439361A - Improvements in stockless anchors : en
  • USD97698S - Design fob a lamp chimney : en
  • GB439465A - Improvements in or relating to folding chairs : en
  • US2023232A - Soldering apparatus for can bodies and the like : en
  • USD97746S - Design for a lace : en
  • US2023113A - Range control system : en
  • USRE19772E - Rotary pump or motor : en
  • US2022969A - Electrical wave production : en
  • US2023074A - Method of burning oil : en
  • USD97736S - Design fob a cab moveb : en
  • FR791093A - Adjustable valve, self-closing, capable of delimiting a determined quantity of fluid : en fr
  • US2022926A - Machine for the separation of gold or other concentrate from sand or other material : en
  • US2023000A - Cushioning mechanism : en
  • GB439463A - Improvements in folding sash windows : en
  • US2022705A - Apparatus for producing solid carbon dioxide : en
  • US2023090A - Refrigeration : en
  • US2023191A - Abrasive : en
  • US2023224A - Hood construction : en
  • DE622669C - Process for the production of a glossy protective coating on fruits and other vegetables : de en
  • DE622728C - Process for the production of water-soluble fatty bodies with a high content of ester-like bonded sulfuric acid : de en
  • US2022741A - Method of and apparatus for weaving fabric with flat filling strips : en
  • US2023204A - Heat insulation : en
  • CA354497A - Garment closure : en fr
  • FR791271A - Self-regulating burner for liquid fuels : en fr
  • FR791147A - Photoelectric selection device : en fr
  • FR791130A - Local tracking system for air and sea navigation : en fr
  • GB439251A - Process for the separation of electrically charged substances from very diluted trueor colloidal solutions : en
  • FR791160A - Process for enriching rubber milk : en fr
  • GB439805A - Improvements in jet propulsion apparatus for aircraft, projectiles and turbine apparatus : en
  • USD97660S - Design for a table cooker or : en
  • GB439427A - Improvements in and relating to mountings for electric motors : en
  • US2023068A - Bituminous paving mixture : en
  • US2023190A - Socket for vacuum tubes and the like : en
  • DE622605C - Lifting device for swimmers in light fluid separators : de en
  • DE622621C - Inhalation device : de en
  • DE622657C - Russblaeser : de en
  • GB439266A - Improvements in electric incandescent lamps : en
  • US2023057A - Wave-band filter : en
  • DE622751C - Plate leveler : de en
  • FR791071A - Process for reducing the affinity of animal fibers for dyes : en fr
  • FR791283A - Permanent magnet : en fr
  • DE622625C - Control for aircraft engines with star-shaped cylinders : de en
  • DE622634C - Gear change gearbox that switches automatically depending on the speed of the driven shaft, especially for motor vehicles : de en
  • US2022667A - Bumper construction : en
  • FR45755E - Process for gluing the assemblies constituting the wooden mosaic floors and produced by allowing the realization : en fr
  • DE622645C - Hand wash rammer with bristles in the bell : de en
  • GB439433A - Improvements in or relating to processes for the preparation of therapeutic and diagnostic means for the treatment of tumours : en
  • US2023181A - Method of dewaxing hydrocarbon oils : en
  • GB439571A - Improvements in electric cooking stoves : en
  • GB439232A - Naturally or artificially granulated, activated or unactivated anhydrous sodium peroxide : en
  • GB439283A - Improvements in or relating to electric carrier signalling systems : en
  • GB439321A - Improvements in electric thermal switches : en
  • US2022671A - Automatic sprinkler system : en
  • US2023122A - Butter slicing machine : en
  • US2023298A - Manual zero-setting mechanism fob : en
  • US2022877A - Bread slicing machine : en
  • US2023026A - Fountain syringe : en
  • USRE19781E - Radiator : en
  • FR791189A - Improvement in electric salinometers : en fr
  • US2023042A - Open die header : en
  • DE622607C - Slotting machine : de en
  • FR791191A - Improvements in the construction of wrenches for clamping tubes : en fr
  • GB439402A - Improvements in apparatus for making glass building blocks : en
  • DK50969C - Automatic firearm. : da en
  • FR791128A - Improvements to packaging used for the transport and storage of ice cream and other foodstuffs : en fr
  • FR791289A - Curved slide mechanism for cinematographic devices : en fr
  • GB439417A - Improvements in or relating to electrically insulating bodies : en
  • GB439263A - Improvements in or relating to nut-crackers : en
  • FR791074A - Incandescent lamps for projectors : en fr
  • GB439303A - Improvements connected with garden shears : en
  • GB439363A - An appliance for compensating automatic circuit breakers for temperature variations : en
  • US2023343A - Self-wringing mop : en
  • US2022807A - Curtain roller : en
  • FR791077A - Rail improvements : en fr
  • GB439189A - Improvements in and relating to lanterns for electric and other lamps : en
  • GB439203A - Improvements in the treatment of artificial filaments, yarns, ribbons and similar materials : en
  • FR791136A - Method, apparatus and installation for the preparation of plaster : en fr
  • GB439346A - Improvements in or relating to heating and cooking vessels : en
  • FR791004A - Selective calling device for powerline communications : en fr
  • US2022713A - Beam counterbalance : en
  • US2022868A - Pressure cooker : en
  • DE622654C - Lightning rod : de en
  • DK50961C - Procedure for Conversion of Starchy Natural Products. : da en
  • FR791285A - Device applicable to thread knotting machines for forming lathe threads : en fr
  • GB439358A - Improved method and apparatus for the construction of inspection, intercepting and similar chambers for drainage systems : en
  • GB439461A - Improvements in and relating to electric welding systems : en
  • FR791135A - Inks improvement : en fr
  • FR45751E - Crusher for coals and cokes, with automatic disengagement : en fr
  • FR791132A - Method and device for the static separation of solid products of different densities : en fr
  • GB439469A - Improvements in and relating to automobile body construction : en
  • GB439490A - Improvements in manually propelled contrivances for operation on water : en
  • GB439444A - Electrostatic flying toy : en
  • DE622655C - High-voltage switchgear with a double busbar system : de en
  • AU2029834A - Improvements in process and apparatus for the storage of perishable substances : en
  • FR791242A - Refractory building materials, and in particular mortar : en fr
  • US2022718A - Latching means for quickly detachable roof closures : en
  • GB439226A - Improvements in or relating to vehicle head lamps : en
  • FR791142A - Protective device and sound amplifier for loudspeakers of t. s. f. : en fr
  • US2022765A - Gauge : en
  • US2023366A - Rolling extruded magnesium alloy : en
  • FR791209A - Hydraulic cylinder : en fr
  • GB439233A - Improvements in and relating to dynamo electric machines : en
  • DE622686C - Brushless plane : de en
  • FR791328A - Improvements to thermo-ionic lamp circuits : en fr
  • FR791345A - Improvements to the drawing or drawing of metal wires : en fr
  • GB439229A - Improvements in and relating to television : en
  • US2022851A - Crinkling apparatus : en
  • US2023073A - Water feeder : en
  • US2022988A - Oscillation generator : en
  • DE622667C - Hydraulic drive device, especially for brakes and. like : de en
  • DE622759C - Method for modulating transmitters : de en
  • DE622809C - Process for the production of spun-dyed rayon from cellulose hydrate : de en
  • DE622588C - Control device for aircraft wheel brakes : de en
  • GB439218A - Improvements in or relating to spraying apparatus : en
  • GB439284A - Method of and means for preventing the accumulation of ice on aircraft : en
  • GB439336A - Improvements in and relating to boots or shoes : en
  • FR791021A - Manufacturing process of pure alumina and raw potassium sulphate starting from alunite : en fr
  • FR791241A - Slabs particularly suitable for paving bridges and the like : en fr
  • DE622616C - Support insulator made of ceramic material : de en
  • DE622594C - Device for the mechanical production of briquette bundles : de en
  • GB439316A - Improvements in or relating to flexible shaft drives : en
  • DE622881C - Device for changing the springing component of the heel link of ski bindings : de en
  • DE622855C - Process for the production of corner stiffening parts of iron constructions that are welded together at an angle : de en
  • FR791015A - Magnetic alloy with high initial permeability : en fr
  • US2023021A - Self wringing mop : en
  • GB439344A - Improvements relating to the manufacture of articles from plastic materials : en
  • FR791055A - Process for preparing tea not containing theine : en fr
  • FR791120A - Improvements to amplifier systems : en fr
  • FR791293A - Centrifugal governor for controlling a brake control device in high-speed vehicles : en fr
  • GB439420A - Improvements relating to gas taps : en
  • DE622690C - Process for generating mercury vapor and equipment for practicing the process : de en
  • USD97724S - Design for a cosmetic box : en
  • DE622614C - Arrangement for radio transmission by means of ultra-short waves : de en
  • DE622736C - Safety device for pressure acetylene bottles : de en
  • FR45782E - Device for pneumatic control of fixed or mobile equipment, for example vehicles : en fr
  • FR791204A - Mounting of highly sensitive cascade amplifiers : en fr
  • US2022696A - Printing machine : en
  • US2023225A - Signaling system : en
  • US2023063A - Process of cracking petroleum hydrocarbons : en
  • USD97738S - Design for a sandal : en
  • US2023053A - Indicating attachment for plows : en
  • US2023115A - Range control system : en
  • DE622713C - Bicycle for transporting long items : de en
  • GB439486A - Improvements in and relating to the control of internal combustion power plants : en
  • FR791141A - Exhaust system for machine with automatic change of cans : en fr
  • GB439380A - Improvements in the manufacture and production of nitrogenous condensation products : en
  • US2022882A - Apparatus for cleaning liquid conduits : en
  • US2022902A - Acoustic and cinematographic apparatus : en
  • US2022880A - Rail anchor : en
  • US2022991A - Alarm transmitting system : en
  • US2023363A - Nongelling lacquer : en
  • CA354580A - Colouration process : en fr
  • GB439428A - Improvements in light projection apparatus : en
  • GB439314A - Improvements in the production of knock-stable motor fuels : en
  • FR791275A - Adjustment of refrigeration machines : en fr
  • US2023380A - Goodyear welt : en
  • FR791202A - Improvements to pressurized fluid brake devices : en fr
  • CA354476A - Railway wheel : en fr
  • FR791340A - Method and apparatus for tamping hollow bodies and articles of various sections obtained with said apparatus : en fr
  • US2022929A - Adjustable foundation pattern : en
  • US2023172A - Reel : en
  • GB439282A - Improvements in or relating to apparatus for use in the grading or selection of leather and other sheet materials or substances according to thickness : en
  • DE622793C - Indirectly acting speed controller operated with pressurized fluid : de en
  • GB439228A - Improvements in or relating to date indicators : en
  • GB439291A - Improvements in or relating to cleaners for boilers and the like : en
  • GB439334A - Machine for the continuous projection printing of moving picture films : en
  • FR791150A - Process for sizing strips and means for implementing this process : en fr
  • FR45783E - Device preventing loosening of nuts : en fr
  • DE622760C - Electric heating element with a helical heating resistor : de en
  • DE622829C - Device for operating aircraft landing sails on the longitudinal side of a ship : de en
  • FR791069A - Process for preparing coloring compositions : en fr
  • DE622586C - Stitch forming device for sewing machines : de en
  • US2022791A - Valve : en
  • CA354566A - Fractional distillation apparatus : en fr
  • FR791087A - Method of modulating electric currents : en fr
  • FR791225A - Shoe shaping improvements : en fr
  • CA354477A - Windshield defroster : en fr
  • US2022781A - Deep well pumping and pumps : en
  • US2023120A - Cake pan : en
  • USD97671S - Design for a goblet or similar : en
  • FR791085A - Napkin paper and similar applications : en fr
  • US2022707A - Composition tile : en
  • US2022783A - Positioning of lasts : en
  • US2023330A - Gate control for vehicle dump bodies : en
  • DE622890C - Inking unit for gravure printing machines : de en
  • US2023173A - Receptacle for beverage bottles and refreshment containers : en
  • FR791248A - Soaking process for leather soles : en fr
  • FR791298A - Method for removing metal deposits : en fr
  • FR791217A - Fading process for dyed textiles : en fr
  • FR791088A - Improvements to molds for typographic lines or bars casting machines : en fr
  • DE622811C - Method and device for drawing glass tubes : de en
  • GB439397A - Synchronised firing mechanism for automatic firearms : en
  • US2023010A - Electrical counting system : en
  • FR791036A - Improvements to processes and installations for the distribution of electric current, in particular for lighting : en fr
  • GB439210A - An improved resilient coupling for transmitting rotary motion : en
  • GB448025A - Improvements relating to the control of aircraft : en
  • DE622592C - Match ball for football, basketball, handball u. like games : de en
  • FR45758E - Automobile front end anti-shimmy suspension : en fr
  • FR791112A - Ball joint device allowing movement to be transmitted in all directions : en fr
  • FR791249A - Arrangement to prevent mutual interaction of transmitter and receiver in duplex carrier current traffic, especially when using a single carrier frequency : en fr
  • GB439333A - Set of loose wheels for railway vehicles : en
  • US2022658A - Stock quotation projecting machine : en
  • US2023308A - Floating roof for tanks : en
  • FR791256A - Improvements to broadcast receivers : en fr
  • GB439352A - Improvements in or relating to continuous feed envelope assembly : en
  • DE622612C - Vaulted carbon grinding piece with vaulted inner armature for pantographs of electrical railways : de en
  • GB439292A - Improvements in or relating to knot-tying devices : en
  • GB439365A - Improvements in aircraft : en
  • US2023281A - Comb : en
  • DE622849C - Mill firing : de en
  • FR45752E - Lighting system for rooms, public places and others : en fr
  • FR791350A - Cookie cutter : en fr
  • FR791213A - Improvements to skis : en fr
  • GB439574A - Improvements in or relating to the manufacture of foot-wear : en
  • USD97735S - Design for a lace : en
  • US2022934A - Film editing and splicing apparatus : en
  • CA354541A - Regulator spring device : en fr
  • DE622672C - Bung lock with piercer attached to the bung socket with a quick release : de en
  • US2023219A - Oscillating snap switch : en
  • US2022714A - Undertaker's table : en
  • US2022717A - Inking mechanism : en
  • DE622650C - Radially loaded turbine, in particular counter-rotating turbine : de en
  • DE622709C - Device for masking the secondary rays in X-ray exposures : de en
  • GB439240A - Improvements in and relating to aircraft : en
  • DE622659C - Sewing thread for surgical needles : de en
  • DK50972C - Method with associated machine for attaching soles to footwear by means of an adhesive. : da en
  • DK50973C - Form plate for Forming Dough. : da en
  • US2022674A - Composition of matter containing urea and nitrates, process for its preparation and use : en
  • US2023110A - Motor fuel distillate : en
  • US2023195A - Combination quad and printer's plate registering hook : en
  • US2023321A - Static removing apparatus : en
  • US2023184A - Dump truck : en
  • DE622635C - Roller skis : de en
  • DE622633C - Airplane with a firearm stored inside the wing and attached to the longitudinal beams of the wing frame : de en
  • DE622681C - Device for protection against shorted turns : de en
  • DE622658C - Process for the production of socks in one operation on the cotton knitting machine : de en
  • DE622732C - Process for the production of ferro-alloys : de en
  • US2023364A - Metal coated ferrous article and process of making it : en
  • GB439215A - Vulcanising rubber : en
  • US2023289A - Aseptic pack : en
  • US2022999A - Draft rigging : en
  • US2023315A - Dough cutting grain converter : en
  • US2022734A - Drill : en
  • US2022939A - Take-out for glassware making machines : en
  • US2023246A - Bichromatic device for ocular refraction : en
  • DE622473C - Method and device for purifying zinc by distillation and reflux condensation : de en
  • DE622798C - Conveyor device for inclined construction by means of a circulating conveyor : de en
  • CA354584A - Can opener : en fr
  • CA354508A - Holder for threads, cords, wires etc. : en fr
  • FR791167A - Improvements relating to internal combustion engines : en fr
  • GB439311A - Manufacture of zinc sulphide pigment : en
  • GB439385A - A display device or rack for plaques, crockery and the like : en
  • US2022952A - Beer dispensing system : en
  • DE622828C - Process for the production of halftone or high-pressure forms by photomechanical means : de en
  • US2022995A - Mechanical stoker : en
  • US2023175A - Glass articles provided with designs : en
  • CA354480A - Vacuum cleaner : en fr
  • US2023300A - Toy design or figure forming set : en
  • US2023117A - Range control system : en
  • US2023369A - Mineral oil and method of its manufacture : en
  • USD97697S - Design for an automobile : en
  • US2022941A - Moth bag : en
  • DE622742C - Press for forming floors, especially those of long, tubular workpieces : de en
  • GB439186A - Improvements in or relating to spools for photographic roll film cameras : en
  • GB439628A - Improvements relating to hydraulic transmission gear : en
  • DE622842C - Equipment for driving the piles for the tunnel construction : de en
  • US2023118A - Range control system : en
  • US2023368A - Production of butyl alcohol by fermentation : en
  • FR791106A - Improvements made to turrets for machine guns or other weapons, equipping navigation vehicles : en fr
  • GB439202A - Improvements in or relating to emergency doors : en
  • US2022704A - Rail anchor : en
  • US2022990A - Low pour point mineral oil composition : en
  • DE622680C - Clamping device attached to an insulating base for connecting branch lines to continuous main lines with clamping plates and several clamping screws : de en
  • US2022962A - Arc extinguishing device : en
  • FR791149A - Improvements to clutch devices : en fr
  • DE622869C - Car spinner with an epicyclic reversing gear and a device for stepless regulation of the spindle speed : de en
  • DE622697C - Process for refining, preferably inferior, fats : de en
  • CA354573A - Typewriting and computing machine : en fr
  • GB439331A - Improvements in and relating to electric power converting systems : en
  • US2022961A - Process for the manufacture of artificial silk : en
  • DE622765C - Coupling for converting dental straight elbows into contra elbows : de en
  • GB439246A - Improvements in or relating to cheese preparations : en
  • US2022726A - Automatic oiling device : en
  • US2023011A - Telephone system : en
  • FR791155A - Improvements to clutch devices applicable more particularly to control members used in t receiving devices. s. f., television, etc. : en fr
  • US2022793A - Pocket display device : en
  • US2023320A - Roller shade attachment : en
  • US2023059A - Metal strap joint and method of making the same : en
  • US2022925A - Clasp : en
  • FR45761E - Process for the hydrogenation of distillable carbonaceous materials : en fr
  • GB439421A - Improvements in or relating to a method for raising plants from seed : en
  • FR45789E - Electric circuit breaker with liquid injection cut-off pot : en fr
  • FR45778E - Improvement in lift carburetors : en fr
  • FR791312A - Air carrier tracks : en fr
  • GB439403A - Process for the production of coloured designs on articles of aluminium : en
  • DE622689C - Process for cleaning alkaloids and alkaloid-like substances : de en
  • FR791037A - Wiper : en fr
  • US2023016A - Jacquard loom and carpet fabric produced thereby : en
  • US2023358A - Musical instrument : en
  • DE622647C - Two-layer stab label : de en
  • US2022942A - Method of sweetening hydrocarbon oils : en
  • FR45776E - Capping machine for bottles of all sizes : en fr
  • GB439432A - Improvements in, or relating to, electric fuses or fusible cut-outs : en
  • DE622763C - Device for uninterrupted processing of fuels and ores in several separate, externally heated chambers : de en
  • GB439234A - Improvements in and relating to electric discharge devices : en
  • GB439804A - Improvements in the heat treatment of aluminium alloys : en
  • US2022795A - Method of brazing joints and the like : en
  • FR791131A - Pilot valve for gas line : en fr
  • FR791161A - Improvements to variable speed transmissions, in particular for motor vehicles : en fr
  • GB439252A - Improvements in frames for moulding paving slabs : en
  • GB439318A - Improvements relating to telephone systems : en
  • FR791236A - Transmission intended more particularly for automobiles : en fr
  • GB439335A - Improvements in and connected with boilers and other furnaces : en
  • US2023006A - Wet drum meter : en
  • US2023028A - Jet propelled float for fire nozzles : en
  • US2023253A - Rubber and rubberized sanitary garment : en
  • US2023310A - Apparatus for refueling aircraft in the air : en
  • US2023328A - Handle for shipping boxes : en
  • CA354502A - Electric welder : en fr
  • US2022897A - Safety flare burner and snuffer : en
  • US2022950A - Reenforcing structure in buildings : en
  • US2023155A - Canopy and supporting means therefor : en
  • USD97710S - Design fob a shoe : en
  • GB439393A - Improvements in heated drum apparatus for desiccating liquids and semi-liquids : en
  • US2022981A - Automatic weight indicating scale : en
  • USD97668S - Design fob a goblet or similar : en
  • GB439460A - Improvements relating to the production of a mirror polish on paper, fabric and similar material : en
  • FR791322A - Freewheel hub and brake fitted with a brake locking device : en fr
  • FR791006A - Method of adjusting the filling of a container or apparatus : en fr
  • FR791176A - Improvements to folding cardboard boxes, and the like : en fr
  • US2022684A - Advertising sign : en
  • FR791078A - Intermittent discharge device for vertical chamber furnaces : en fr
  • CA354478A - Feeding bottle : en fr
  • US2022804A - Device for applying tire chains : en
  • USD97739S - Design for a tire demonstrator : en
  • US2022927A - Siphon : en
  • US2022974A - Drying oils for bronzing inks : en
  • US2022732A - Coupler and yoke connection : en
  • US2023229A - Controls for reverse gearing : en
  • US2023264A - Method of making composite : en
  • USD97659S - Design for a toaster or the uke : en
  • FR45777E - Improvements to sulfur plants used in agriculture : en fr
  • FR791045A - Process for manufacturing suction and assembly rollers for the implementation of this process : en fr
  • GB439339A - Improvements in telephone systems and pay stations for use therein : en
  • FR791280A - Process for pressurizing gaseous agents from supply tanks containing granular or powdered materials : en fr
  • US2023044A - Core for and method of producing hollow refractories : en
  • US2023159A - Photographic apparatus : en
  • DK50974C - Root Vegetable Cleaning Machine. : da en
  • US2022985A - Art of converting hydrocarbon oils : en
  • US2023111A - Silent fan : en
  • GB439216A - Improvements relating to ferro-magnetic alloys : en
  • GB439338A - Improvements in bags and methods of making same : en
  • US2022767A - Bumper post : en
  • US2022895A - Method of making casein buttons : en
  • US2022955A - Chair : en
  • FR791305A - Process for making a coating preparation : en fr
  • FR791306A - Aerodynamically shaped device ensuring draft and ventilation : en fr
  • GB439364A - Improvements in or relating to the treatment of rubber and like latices and compositions and for the manufacture therefrom of articles of various kinds : en
  • FR791100A - Method and apparatus for double vulcanization of rubber shoes : en fr
  • GB439477A - Improvements in or relating to ironing presses : en
  • GB439306A - Improvements in or relating to corset belts for ladies' wear : en
  • USD97751S - Design for a heel : en
  • FR791039A - Gas turbine : en fr
  • FR791254A - Method and apparatus for compensating for variations in light in optical systems for recording, reproducing, etc., sound : en fr
  • GB439322A - Impermeable coating for rubber : en
  • GB439293A - Improvements in or relating to coils for electric ignition apparatus : en
  • US2023277A - Method of making intersecting rail structures : en
  • FR45781E - Method and apparatus for concentrating and pasteurizing fermented wines : en fr
  • GB439213A - Improvements in or relating to rodless slide-valve gear for double-acting piston engines : en
  • FR791274A - Device for controlling ionic valves by means of grids : en fr
  • FR791134A - Method and device for forging the shank of a nail or the like : en fr
  • FR791175A - Containers, particularly suitable for cooking : en fr
  • US2022967A - Shoe and method of making the same : en
  • FR45771E - Perforated punch device, without lock, with combination wheel for printing machines : en fr
  • USRE19775E - Control device for alarm : en
  • DE622619C - Injection syringe : de en
  • DE622854C - Vacuum cleaner nozzle with a rim on all sides and ribs on the inside : de en
  • US2022896A - Eyelash applicator and curler : en
  • DE622615C - Transmission method for directing the fog landing of aircraft : de en
  • DE622779C - Photo chamber with protective pane : de en
  • USD97718S - Design for an ensemble dress : en
  • US2023133A - Mop wringer : en
  • USPP158P - howard : en
  • DE622640C - Dispersant : de en
  • FR791097A - Distributor of inexpensive items with prepayment : en fr
  • GB439439A - Improvements in dynamo electric machines : en
  • GB439455A - Improvements in kinematographic projecting machines : en
  • US2023329A - Setting head for machines for the grinding of worms : en
  • DE622796C - Safety tap, especially for gas pipes : de en
  • CA354490A - Insert applying apparatus : en fr
  • US2023165A - Winding machine : en
  • USD97714S - Design for a sign : en
  • GB439462A - Improvements in and relating to reflex or twin-lens cameras with photoelectric exposure meters : en
  • DE622587C - Double-lined packaging sleeve and method and device for producing the same : de en
  • DE622643C - Process for the production of rubber coagulates : de en
  • US2022748A - Vat dyestuff printing paste : en
  • US2023306A - Tire valve retainer : en
  • DK50985C - Electrode intended to be in Contact with Mercury. : da en
  • GB439220A - Improvements in tilting seats for cinema halls and the like : en
  • CA354542A - Colour photography : en fr
  • US2023197A - Freewheeling device for automobiles : en
  • USD97681S - Design for an ink bottle : en
  • GB439249A - Improvements relating to screw propellers : en
  • US2022753A - Weighing scale : en
  • US2023203A - Process for the manufacture of sulphuric acid : en
  • FR791273A - Inductance : en fr
  • GB439881A - Improvements in cabinets or stands for sound and vision reproducing apparatus : en
  • US2023087A - Production of butyl alcohol by fermentation : en
  • FR791068A - Device for adjusting ionic valves by means of grids : en fr
  • GB439340A - Process and apparatus for the manufacture of artificial leather : en
  • US2022700A - Pin for artificial teeth and method of producing same : en
  • US2023270A - Sponge rubber sheet material having broken cells, said cells being filled with fertilizer, insecticides, or plastic fillers : en
  • US2023067A - Moving stairway : en
  • FR45768E - Metal formwork for making cement stairs : en fr
  • DE622623C - Talk head for recording or playing back magnetograms : de en
  • GB439368A - An improved method of constructing and assembling spoked wheels for vehicles : en
  • GB439419A - Improvements in manually-operated contract bridge scorers : en
  • FR791212A - Device for heating fine granular fuel in motion : en fr
  • GB439294A - Manufacture of dressed textile materials : en
  • DE622776C - Fluid change gearbox : de en
  • DE622861C - Workpiece feed device on automatic riveting machines for row riveting and similar work : de en
  • US2022799A - Cutting machinery : en
  • USD97688S - Design for a buckle : en
  • DE622757C - Loading bucket for electric furnaces : de en
  • FR791339A - Improvements to electric irons : en fr
  • GB439199A - Improvements in the manufacture of copper alloy firebox plates and stays : en
  • US2023069A - Liquid refrigerating unit : en
  • DE622725C - Process for the extraction of sulfur : de en
  • DE622804C - Warning sign circuit for electrically braked sidecars of trams or similar trains : de en
  • GB439408A - Improvements in or relating to apparatus for shaping drum built pneumatic tyre casings : en
  • CA354564A - Bitumen sheeting : en fr
  • DE622673C - Press pads for footwear glue presses : de en
  • CA354570A - Electric razor : en fr
  • US2023108A - Boiler cleaner : en
  • US2022869A - Vehicle body : en
  • US2022878A - Garment cuff : en
  • US2023189A - Float valve : en
  • US2023263A - Safety appliance : en
  • CA354471A - Shield for neon tubes : en fr
  • US2022644A - Rectifier : en
  • DE622696C - Device for cooling high-frequency apparatus and method for their manufacture, in which a winding cool water path in a block of insulating material, e.g. B. made of porcelain or earthenware : de en
  • US2023269A - Knife : en
  • US2023304A - Tractor wheel : en
  • US2022873A - Manufacture of pulp : en
  • US2022946A - Bolt lock : en
  • AU1903234A - Improvements in and relating to rotary air or gas compressors vacuum or liquid pumps orthe like : en
  • AU2028634A - Improvements in means for use in the jetting of sheep : en
  • DE622752C - Laundry washing machine with a spherical sieve drum mounted in an outer container by means of a universal joint frame : de en
  • US2022692A - Musical instrument : en
  • CA354504A - Speed changing device : en fr
  • FR791067A - Continuous purge sand trap : en fr
  • GB439310A - Improvements relating to levers for actuating bowden wire and like mechanism : en
  • US2022932A - Liquid dispensing apparatus : en
  • CA354577A - Balancing apparatus : en fr
  • DE622698C - Temperature regulating device for controlling machines, in particular those of furnace systems : de en
  • US2022825A - Drawing board clamp : en
  • US2022894A - High molecular alcohols and unsat urated hydrocarbons : en
  • DK50966C - Printing machine. : da en
  • DE622631C - Tube bending machine with bending mandrel : de en
  • GB439415A - Direction-signalling apparatus for personal wear : en
  • DE622789C - Device for frequency conversion of alternating current by means of controlled arc vacuum apparatus without direct current intermediate circuit : de en
  • FR791333A - Improvements to thermostats for heat regulators : en fr
  • FR791231A - Method and apparatus for sintering, calcining, drying and like processing operations : en fr
  • US2022777A - Coating apparatus : en
  • US2022796A - Prepared sulphur and process : en
  • US2022678A - Process for rendering water-soluble compounds soluble in organic solvents and substantially water insoluble and product of such process : en
  • USD97733S - Design for a textile fabric : en
  • CA354531A - Bi-metallic strip manufacture : en fr
  • DE622747C - Conveyor system for hanging loads with drag chain at the rising points : de en
  • GB439470A - A process and apparatus for the removal of cracks in the shells of rolls : en
  • US2023142A - Motor fuel of high antiknock value : en
  • DE622874C - Production of nitrogen oxides from ammonia : de en
  • DE622845C - Process for the production of benzyl cellulose : de en
  • US2022861A - Mechanical toy : en
  • US2022949A - Apparatus and method for forming caps for receptacles : en
  • FR791030A - New edge tensioning device on mower : en fr
  • US2022947A - Internal brake for automobiles : en
  • FR791026A - Advanced servo brake mechanism : en fr
  • FR791279A - Compound soap and process for making it : en fr
  • CA354576A - Rubber valve stem : en fr
  • FR791065A - Automatic control device for machines such as shoelaces : en fr
  • FR791317A - Syringe for hypopermic injections : en fr
  • GB439205A - Improvements in or relating to modulated carrier wave transmitters : en
  • FR791210A - Very wide section pneumatic tire for vehicles : en fr
  • USD97689S - Design for a refrigerator : en
  • US2022784A - Concrete floor construction : en
  • US2023373A - Dispensing apparatus : en
  • GB439315A - Improvements in or relating to alternating current electric motors : en
  • DE622666C - Self-seller with fan drum : de en
  • DE622733C - Expansion switch : de en
  • DK50970C - Procedure for bleaching cotton yarns. : da en
  • USD97696S - Design fob a garment hanger : en
  • US2023106A - Stock consistency regulator : en
  • GB439362A - Web tensioning mechanism for printing and other machines : en
  • GB439457A - Improvements in or relating to electrical amplifiers and other control arrangements and devices : en
  • GB440176A - Improvements in or relating to controlling devices for auxiliary steam engines : en
  • FR791098A - Process for obtaining inorganic materials with high swelling power : en fr
  • FR791220A - Improvements to vacuum cleaning devices : en fr
  • US2022785A - Electric plug : en
  • USD97699S - Charles emmey : en
  • FR45795E - Method and device for adjusting the rectilinear motion carriage of jig or coordinate drilling machines : en fr
  • FR791072A - Magnetoelectric generator for lighting, especially for bicycles : en fr
  • FR791113A - Improvements to dispensing containers for pasty materials : en fr
  • US2023390A - Shirt and collar : en
  • DE622596C - Process for the preparation of basic azo compounds of the quinoline series : de en
  • US2023071A - Progressive distributing lubricator : en
  • US2022725A - Locking device for vehicles : en
  • USPP155P - byrum : en
  • US2023047A - Tubular extruded shape : en
  • DE622868C - Device for the subsequent attachment of two cylinder locks on both sides of an ordinary mortise lock : de en
  • DE622877C - Switch with compressed gas cooled contacts : de en
  • US2023326A - Starting system for alternating-current motors : en
  • GB439370A - Improvements in the manufacture of boxes : en
  • USRE19773E - Euectrocleanuxg process : en
  • GB439377A - Improvements in or relating to means for renovating or restoring stonework : en
  • FR791091A - Method of muffling sounds and application of this method to the constitution of silencers : en fr
  • FR791119A - Process for the preparation of nitriles of the anthraquinone series, as well as their hydrolysis and cleavage products, and products thereof : en fr
  • GB439494A - Natural colour systems for use with television and the cinematograph : en
  • FR791310A - Steam sampling device for multiple expansion steam engines : en fr
  • DE622810C - Glass suction blowing machine : de en
  • FR45763E - Special application of the elastic on the wooden sole shoe : en fr
  • US2022719A - Snuffer for oil lamps and lanterns : en
  • US2023015A - Front drive snowmobile : en
  • US2023371A - Knitted fabric : en
  • CA354549A - Automobile suspension system : en fr
  • DE622711C - Air pressure, testing and regulating device : de en
  • GB439209A - Improvements in control devices particularly for use in the time control of lightinginstallations : en
  • GB439369A - Improvements in nozzles for fire extinguishing : en
  • GB439633A - Improvements in or relating to photographic flashlight apparatus : en
  • FR791290A - New pyrene derivatives and process for their production : en fr
  • GB439332A - An improved process of dehydration for plastic earths : en
  • GB439425A - An improved fastening for casement windows or doors : en
  • DE622848C - Suction gas generator for making city tags from younger fuels : de en
  • GB439446A - Automatic successive reproducing phonograph : en
  • GB439412A - Improvements in or relating to telescopic drawing board easels : en
  • GB439483A - A supporting and advertising or display device for persons standing in public vehicles : en
  • US2022966A - Fuel distributing apparatus : en
  • GB439248A - Improvements in and relating to advertising devices and the like : en
  • DE622786C - Flexible pit lining made of profile iron : de en
  • DE622867C - Device for the machine development of cinematographic films or the like. : de en
  • FR791219A - Improvements to electrical circuits for deflecting cathode ray beams : en fr
  • CA354537A - Continuous milk delivery system : en fr
  • CA354509A - Drill bit : en fr
  • DE621691C - Wrapping machine with a feed ring with a vertical axis of rotation : de en
  • CA354486A - Chisel sharpener : en fr
  • DE622802C - Heating bath : de en
  • FR45810E - : fr
  • FR791076A - Improvements to discharge tubes : en fr
  • GB439379A - Improvements in and relating to hard alloys : en
  • GB439454A - Improved means for delivering whitewater in paper and paperboard machines : en
  • GB439386A - Swimming bath : en
  • GB439482A - Improvements in and relating to the manufacture of heating elements for mercury boilers : en
  • US2022928A - Perforated building brick or block : en
  • AU2031634A - Improvements in and relating to retardation controller devices in power operated brakes for vehicles : en
  • US2023231A - Rolling mill driving means : en
  • US2023252A - Rubber and rubberized sanitary garment : en
  • US2023353A - Automobile wheel : en
  • US2023170A - Storage battery plate : en
  • USD97658S - Design fob a coffee urn or similar : en
  • CA354540A - Welding and cutting apparatus : en fr
  • US2022747A - Incandescent lamp : en
  • US2022802A - Safety driving arm for automobiles : en
  • US2022892A - Spring seat construction : en
  • DE622591C - Pair of swimming fins for increasing the propulsion through the arms of a swimmer : de en
  • US2023152A - Cap forming machine : en
  • USD97743S - Design for a textile fabric : en
  • SE84979C1 - : sv
  • US2022919A - Electric cell testing tool : en
  • USD97706S - Similar article for wearing ap- : en
  • DE622767C - Device for rolling up trousers or the like by means of wrapping strips : de en
  • FR45756E - Relief projection : en fr
  • FR791061A - Pulley or advanced sheave : en fr
  • CA354571A - Electric razor : en fr
  • US2023129A - Die casting alloy : en
  • USD97687S - Design for a store : en
  • US2023002A - Method of removing vulcanized articles from molds, and apparatus therefor : en
  • CA354551A - Egg treating method : en fr
  • DE622408C - Winding machine for the production of electrical coils : de en
  • FR791107A - Vehicle with automatic unloading for all applications but can be used in particular for loading sandblasting or gravel spreaders in operation : en fr
  • GB439268A - Improvements in or relating to game apparatus : en
  • DE622581C - Platform scale : de en
  • CA354561A - Electric furnace : en fr
  • US2022858A - Machine for and method of placing tuft yarns : en
  • US2022693A - Composite wood and concrete construction : en
  • CA354525A - Impedance reactance relay : en fr
  • FR791033A - Improvements to silos : en fr
  • GB439447A - Improvements in and relating to control systems for electric circuit breakers and the like : en
  • US2022729A - Stable colloidal solution of iodine : en
  • US2023314A - Swimming appliance : en
  • US2022819A - Grinding apparatus : en
  • US2023355A - Electromagnetic operating mechanism : en
  • US2023022A - Watch and other time instrument : en
  • USD97737S - Design for a corner ornament for : en
  • US2023007A - Adjustable support for cleaners : en
  • GB439280A - Improvements in and relating to hydraulic operating mechanism : en
  • USD97682S - Design foe a shoe : en
  • US2022677A - Urea composition and method of making and using : en
  • GB439345A - Improvements in and relating to oil-filled high tension electric cables : en
  • US2023324A - Inhalator : en
  • US2022679A - Press and filter : en
  • DE622664C - Printing device, especially for tabulating machines : de en
  • FR791237A - Improvements to printing processes and printing inks : en fr
  • GB439225A - Improvements in or relating to electro-optical image transmission systems : en
  • GB439392A - Improvements in or relating to mould adjusting means for glass shaping machines : en
  • FR791206A - Improvements to fixing devices for filing cabinets : en fr
  • GB439459A - Improvements in or relating to inking mechanism for use with printing machines : en
  • GB439450A - Improvements in brushes : en
  • GB439394A - Improvements in or relating to leg supports or leg irons for use in cases of fracture or breakage of the legs : en
  • USRE19782E - Heat-conducting tube : en
  • FR791049A - Method and apparatus for holding a glass sheet during annealing : en fr
  • GB439371A - Improvements relating to road vehicle wheels : en
  • DE622694C - Method for the detection of amplitude and frequency modulation of modulated vibrations : de en
  • DE622710C - Rearview mirror for motor vehicles : de en
  • US2022887A - Colored rubber and method of producing the same : en
  • US2023157A - Plug-in coil mounting : en
  • US2023290A - Electrical transmission bank : en
  • GB439270A - Artificial masses and processes for their production : en
  • AU1907234A - Starting and handicapping apparatus for dog racing : en
  • CA354545A - Locomotive : en fr
  • FR791198A - Powerline transmission system : en fr
  • GB439374A - Improvements in or relating to liquid flushing apparatus : en
  • SE84977C1 - : sv
  • FR791126A - Improvements to armored candles : en fr
  • FR791103A - Rail seal for furnaces, in particular for continuously operating furnaces for heat treatment of sheet metal and the like and for furnace rails of heat-resistant material : en fr
  • USD97672S - Design for a goblet or similar : en
  • US2023372A - Motor fuel : en
  • FR791265A - Transparent dial with reference points indicating the desired stations by luminous lines : en fr
  • FR45760E - Improvements to risers : en fr
  • GB439468A - Improvements in and relating to thermostatic electric switches : en
  • FR791013A - Improvements to typographic bar casting machines : en fr
  • DE622611C - Device for conveying paper sheets u. ae. by means of a toothed wheel disc : de en
  • FR791205A - Improvements to the process for preparing hydrocarbons of interest by treating distillable carbonaceous materials with hydrogenating gases : en fr
  • FR791089A - Pressure device for hydraulic brakes, more especially for motor vehicles : en fr
  • GB439738A - Improvements in or relating to mechanism for feeding and cutting a bar of plastic-toffee or like material : en
  • GB439307A - Improvements in and relating to low frequency amplifying systems : en
  • DE622726C - Process for the complete or almost complete recovery of the compression work in the production of nitric acid under pressure : de en
  • FR45800E - Shooting equipment for colored films : en fr
  • GB439253A - Improvements relating to loom shuttles : en
  • US2022830A - Fluid-cooled wall structure : en
  • DE622703C - Vending machine token : de en
  • FR791108A - Improvements to processes and apparatus for separating sludge and mixtures and for removing dust from gases : en fr
  • GB439320A - Improvements in or relating to electric motor controllers : en
  • DE622863C - Thread cutting device for the insert cord and the bobbin thread for buttonhole sewing machines : de en
  • FR791024A - Electric radiator with internal heating and liquid circulation device : en fr
  • FR791200A - Instrument for taking stock, applicable in navigation : en fr
  • GB439312A - Improvements in or relating to the preparation of composite pigments containing titanium : en
  • DE622876C - Process for the preservation of ammonium bicarbonate, preferably intended for fertilization purposes : de en
  • FR791146A - Sealed connection head for lubrication pumps : en fr
  • US2023018A - Speed control mechanism : en
  • US2023128A - Roller skate : en
  • FR791318A - Improvements to wrapping or packaging machines : en fr
  • US2023240A - Telephone system : en
  • US2022727A - Cork insulation : en
  • US2022908A - Method of making shoes : en
  • US2022739A - Cutting apparatus : en
  • US2022940A - Apparatus for cooking : en
  • CA354494A - Safety razor : en fr
  • GB439224A - Improvements in or relating to photo-electric exposure meters and attachments therefor : en
  • GB439401A - Improvements in glass building blocks and method of making them : en
  • GB439475A - Improvements in or relating to single-type casting and composing machines : en
  • US2023200A - Art of molding pulp containers : en
  • FR791228A - Electric lamp fixing support : en fr
  • GB439305A - An improvements in or relating to machines for washing or scouring textile fabrics : en
  • FR791063A - Non-slip lining for wheels, in particular of automobiles : en fr
  • DE622724C - Shell-like reinforcement of iron extensions made of rolled sheet metal : de en
  • GB439568A - Improvements in and relating to the manufacture of compound glass : en
  • USD97678S - Design for a shoe : en
  • FR791018A - Improvements to aircraft, particularly marine planes : en fr
  • US2022743A - Inkstand : en
  • DE622702C - Sound carrier with parallel or spiral optical sound tracks in serrated script : de en
  • FR791156A - Improvement in composite safety glass : en fr
  • DE622660C - Lowering device for Saerge : de en
  • DE622822C - Tapping device for machine tools with feed of the tool by a hand lever and an interchangeable coupling influenced by this : de en
  • FR791084A - Improvements to methods and apparatus for making powdered materials flowable : en fr
  • USD97679S - Design for a shoe buckle : en
  • DE622701C - Volume reducer : de en
  • DK50988C - Fire pipes with detonator protection. : da en
  • GB439183A - Improvements in or relating to breathing apparatus for the use of airmen, miners and others : en
  • GB439193A - Improvements in hydraulic air blowers : en
  • FR45759E - Three-phase induction furnace : en fr
  • FR791303A - Improvements in the manufacture or treatment of textile yarns : en fr
  • GB439798A - Method for sensitising photographic emulsions : en
  • FR791129A - Assembly of electrical controls of railway track switches : en fr
  • GB439562A - Improvements in method of manufacturing water gas : en
  • GB439184A - Improvements relating to the manufacture of work tables for metal cutting and like machine tools : en
  • GB439448A - Improvements in the reproduction of solid objects by photographic means : en
  • US2023046A - Car body structure : en
  • US2022865A - Newspaper holder : en
  • US2022982A - Exhaust manifold : en
  • US2023386A - Wrapped package and method and means for forming the same : en
  • FR791214A - Improvements to suspension springs for baby carriages and the like : en fr
  • FR791272A - High voltage winding, consisting of short cylindrical coaxial coils, in particular for transformers, the potential of which is fixed on one side, instrument transformers or reactance coils : en fr
  • US2022756A - Tape measure : en
  • US2022893A - Rubber bonded abrasive article : en
  • USD97716S - Design fob a table fob an ironing : en
  • US2022666A - Variable speed tension impact machine : en
  • US2023273A - Method and apparatus for making fibrous sheet material : en
  • DE622891C - Switch arrangement : de en
  • FR791143A - Safety device for level crossings : en fr
  • DE622870C - Device for automatic row-wise stacking of mass-produced parts in holders : de en
  • US2023024A - Engine muffler : en
  • CA354548A - Automobile suspension system : en fr
  • DE622729C - Steep tube boiler : de en
  • FR791262A - Constant vacuum carburettor : en fr
  • FR791316A - Device for viewing stereoscopic views on glass : en fr
  • FR791344A - spiral upward motion elevator, for persons : en fr
  • GB439378A - A process for the production of artificial resins : en
  • US2023125A - Face cream : en
  • US2023266A - Protected shafting : en
  • US2022801A - Sheet metal yoke and process of making same : en
  • US2023126A - Subdivided roller bottom for sheet normalizing furnaces : en
  • US2023029A - Lawn mower : en
  • USPP153P - nicolas : en
  • US2022659A - Electrically controlled scale mechanism : en
  • US2023100A - Electrical conversion system : en
  • GB439319A - A gauge for checking dimensions relating to welded joints : en
  • FR791158A - Improvements in the manufacture of yarns made of fibers in rovings from continuous filaments : en fr
  • US2022915A - Metal bending machine : en
  • DE622613C - Centrifugal control for electromotive vehicles : de en
  • DE622676C - Front tire for dials of clocks u. like : de en
  • FR45753E - Process for the manufacture of asbestos cement paths without a break in continuity or of corrugated asbestos cement sheets with the insertion of one or more wire mesh : en fr
  • US2023001A - Concrete : en
  • DE622624C - Cash register : de en
  • DE622735C - Process for the processing of the distillates formed during the coking of pitch : de en
  • GB439443A - Improvements in or relating to absorption refrigerating apparatus : en
  • US2022654A - Treatment of cellulosic materials : en
  • DE622662C - Hygroscope : de en
  • US2023296A - Process of making cellular rubber : en
  • USD97670S - Design fob a goblet ob similar : en
  • US2022813A - Process for manufacture of ammonium sulphate : en
  • US2023258A - Davit : en
  • DE622638C - Procedure for replacing the shooters in double fire chairs and double fire chairs for carrying out the procedure : de en
  • US2022916A - Vehicle construction : en
  • USD97719S - Design for trousers : en
  • USD97713S - Design fob an airplane : en
  • DE622629C - Cooling hub for high-speed saw blades, especially high-speed friction saws : de en
  • FR791148A - Treatment process for bleaching and filtering earths : en fr
  • FR791259A - Device acting on train safety devices : en fr
  • GB439182A - Improvements in or relating to self-filling fountain pens : en
  • GB439492A - Improvements in or relating to cathode ray apparatus : en
  • CA354498A - Liquid cooling apparatus : en fr
  • FR791319A - Advanced color photography processes : en fr
  • USD97693S - Design fob a glass dish : en
  • US2023101A - Furnace : en
  • USD97676S - Design fob a shoe : en
  • DE622782C - Cutting punch for the production of elongated insertion holes for the flat pins of the covering boards of tearing machines : de en
  • DE622626C - Slide control for internal combustion engines : de en
  • FR791152A - Device to facilitate the complete emptying of containers : en fr
  • DK50979C - Electric Discharge Pipe. : da en
  • DE622599C - Seamless cone or cone-like membrane made of paper for loudspeakers : de en
  • FR45770E - Testing apparatus for motor vehicle drivers : en fr
  • AU2267635A - An improved cone, nozzle and burner for flamethrowers andthe like : en
  • FR791145A - Dentures enhancements : en fr
  • DE622734C - Coil winding machine : de en
  • FR791326A - Process for separating mixtures of substances of high molecular weight, for example hydrocarbon oils : en fr
  • DK50987C - Device by Elevators. : da en
  • FR791308A - Mode of propulsion of motor vehicles, in particular multi-wheeled or tracked vehicles : en fr
  • CA354516A - Automobile door panel : en fr
  • US2022889A - Method of desulphonating diaminodiphenylamine-2-sulphonic acid compounds : en
  • US2022670A - Cementing machine : en
  • US2022852A - Method of crinkling or puckering elastic material : en
  • US2022771A - Refrigerating apparatus : en
  • US2022968A - Frequency changing system : en
  • US2022921A - Amino azo compound : en
  • US2023279A - Forehead shield for beauty work : en
  • CA354513A - Welding rod : en fr
  • CA354479A - Cyclic ether production : en fr
  • US2023040A - Centrifugal ring-ingot casting machine : en
  • USRE19777E - Sirup valve for bottle fillers : en
  • USRE19778E - Method of making evaporators : en
  • US2022657A - Permanent waving heater : en
  • DE617573C - Packing of charcoal filling for gas generators : de en
  • DK50984C - Device for Foam Extinguishers. : da en
  • DE622639C - Process for the production of pourable products by condensation of formaldehyde with urea : de en
  • DE622879C - Device to prevent crooked crane browbones : de en
  • US2023017A - Pump unit : en
  • US2023039A - Pumping unit : en
  • US2023192A - Electrolytically formed tank : en
  • CA354487A - Garter : en fr
  • DE622717C - Carrying device connected to an adhesive strip for closing a package : de en
  • CA354510A - Bright aluminium surface production : en fr
  • US2022652A - Inboard power unit : en
  • US2023096A - System of distribution : en
  • CA354527A - Thermostatic control system : en fr
  • DK50971C - Preserving salt. : da en
  • US2022668A - Bumper construction : en
  • US2022691A - Musical instrument : en
  • US2022817A - Centrifugal bowl for separating heavy sludge and solids from lighter liquids : en
  • US2023392A - Coat hanger : en
  • DE622852C - Hair folder for long women's hair : de en
  • DE622821C - Process for coloring aluminum oxide coatings : de en
  • CA354569A - Cigar container : en fr
  • FR791288A - Device for making inviolable the coin slides determined in automatic vending machines in general, or any counters : en fr
  • GB439376A - Improvements in or connected with wearing apparel : en
  • CA354533A - Metal-vapour lamp : en fr
  • AU2032234A - Improvements in and relating to method of and apparatus for making icecream blocks : en
  • CA354518A - Paper : en fr
  • AU2121135A - Method of and apparatus for metal separation : en
  • AU2300535A - Improvements in firebars : en
  • US2023185A - Fuel volatilizing device : en
  • CA354519A - Non-ferrous metal : en fr
  • US2023379A - Textile reenforced articles, and method of making same : en
  • US2023208A - Cylinder lock : en
  • US2023214A - Mask : en
  • US2023193A - Door construction : en
  • US2023257A - Apparatus for use in the fire control of antiaircraft guns : en
  • DE622610C - Production of phosphorus or phosphoric acid from rock phosphates : de en
  • FR791314A - Tube cutting device : en fr
  • FR45757E - Medium for obtaining illuminated signs or designs : en fr
  • GB439196A - Improvements in chains : en
  • GB439391A - Improvements in method of producing compacted folded stacks of paper tape and the product thereof : en
  • GB439681A - Improvements in or relating to engine control devices, more especially for motor vehicles : en
  • FR791032A - Improvements to wireless telephony speakers and receivers : en fr
  • FR791014A - noise eliminator for electro-acoustic devices : en fr
  • FR791227A - Method and devices for the electrical recognition of land intersected by a borehole : en fr
  • US2022702A - Typewriting machine : en
  • US2022776A - Lasting machine : en
  • CA354522A - Wireless direction finding system : en fr
  • US2023144A - Foundation bag and cover therefor : en
  • US2023154A - Cabinet : en
  • US2022763A - Machine for driving tubes into heels : en
  • CY47A - Improvements in or relating to the pulverizing of minerals and similar materials : en
  • US2022910A - Golf training device : en
  • US2023014A - Preparation of soluble lactalbumin : en
  • US2022811A - Mineral wool and manufacture thereof : en
  • CA354526A - Gasket : en fr
  • US2022650A - Hydrogen peroxide process : en
  • US2022699A - Apparatus for manufacturing welded tubing : en
  • US2023064A - Sand point puncher for wells : en
  • GB439227A - Improvements in and relating to electric incandescent lamps : en
  • GB439259A - Scaffolding for buildings : en
  • USD97666S - Design for a finger ring : en
  • CA354503A - Minnow hook : en fr
  • US2023194A - Garment construction : en
  • CA354555A - Separable fastener manufacture : en fr
  • US2022853A - Doorlock : en
  • GB439273A - An improved composition for the manufacture of floor, wall and or roof tiles : en
  • US2023334A - Aeroplane : en
  • US2023167A - Bulb cleaner : en
  • US2022938A - Looper mechanism for sewing machines : en
  • US2023176A - Disazo dyestuffs : en
  • US2022832A - Spinning frame draft roll cleaner : en
  • US2022986A - Stand for electric irons : en
  • AU1906334A - Seasoning compound for sausage meat andthe like : en
  • US2023331A - Discharge means for ball or rod mills and the like : en
  • US2023080A - Bumper : en
  • US2023335A - Portable grinding machine : en
  • FR791101A - Hydraulic brake, in particular for motor cars : en fr
  • GB439254A - Lever press for pressing fruit or the like : en
  • GB439276A - Improvements in optical colour-matching apparatus : en
  • US2022850A - Face lifter and massager : en
  • US2022906A - Mailing carton : en
  • AU2044934A - An improved locking and folding device for legs of trays and tables : en
  • US2023116A - Range control system : en
  • US2023136A - Air heating and conditioning device : en
  • US2022806A - Airfoil : en
  • GB439387A - An improved apparatus for the electromagnetic separation of materials : en
  • US2022844A - Indicator : en
  • US2022963A - Compact and the like : en
  • US2023091A - Roller bearing assembly : en
  • FR45793E - Vacuum cleaner for continuous draft of chimneys : en fr
  • US2023188A - Automobile top : en
  • FR791011A - Process for the separation of gas mixture components : en fr
  • GB439323A - Improvements relating to automatic telephone and like selective systems : en
  • GB439357A - Improvements relating to vertically-hinged window sashes, also applicable to fanlights : en
  • US2022698A - Hydraulic steering mechanism : en
  • US2022948A - Lid removing means for cans : en
  • US2023140A - Livestock spray : en
  • US2022752A - Unbuttoning device : en
  • US2023294A - Paper carriage drive : en
  • US2022738A - Bleaching of fatty acids, oils, and fats : en
  • DE622661C - Device for checking and selecting colors for fingernails : de en
  • US2023292A - Pressure controlled windmill regulator : en
  • DE622803C - Mechanical signal box : de en
  • CA354529A - Granular garnet processing : en fr
  • US2022980A - Shipping container : en
  • US2022992A - Shoe calk : en
  • US2022808A - Excavating machine : en
  • USD97715S - Design for a vanity case or : en
  • USD97734S - Design for a cycoi saddle seat : en
  • US2023186A - Joist support : en
  • US2023054A - Ski harness : en
  • DE622652C - Cover to prevent the oxidation of blocks : de en
  • DE622795C - Artificial casing made from parchment paper : de en
  • DE622644C - Regulators for power machines : de en
  • FR791099A - Improvements to mechanical razors : en fr
  • FR791195A - Elastic coupling : en fr
  • US2023079A - Bumper construction : en
  • USD97695S - Design for a cabinet : en
  • DE622880C - Sausage filling device for stuffing zon divided sausages and those of any weight : de en
  • US2022834A - Feeding of textile materials : en
  • US2022879A - Liquid fuel burner : en
  • US2022812A - Air heater : en
  • US2022964A - Mounting for electrical devices : en
  • FR791046A - Apparatus for treating objects with tinctures or other liquids : en fr
  • FR791337A - : fr
  • AU2045934A - Improvements in or relating to miniature upright pianos : en
  • US2023237A - Condenser motor : en
  • US2022709A - Thermostatic control apparatus for vehicle fans : en
  • US2023244A - Balance indicator : en
  • AU2312235A - Improvements in bobbins : en
  • US2023139A - Automatic reversible electric switch : en
  • US2022835A - Hot air furnace for heating homes : en
  • US2022900A - Supercharging of power plant : en
  • US2023008A - Regulating and metering apparatus : en
  • US2023158A - Hand grenade : en
  • FR791122A - Method and devices for the modulation of electromagnetic waves by phase variation : en fr
  • AU2537535A - Improved device for testing sparkplugs and ignition circuits : en
  • US2022816A - Centrifugal bowl for separating heavy sludge and solids from lighter liquids : en
  • USD97722S - Design for a high wing monoplane : en
  • US2022789A - Holder : en
  • US2022954A - Orange peeler : en
  • US2023207A - Lock key : en
  • US2022976A - Apparatus for perforating well casings : en
  • US2023202A - Mop : en
  • USD97709S - Design for a jewelry display case : en
  • US2023109A - Extraction process : en
  • US2022839A - Electrical conductor : en
  • US2023265A - Valve and spring retainer therefor : en
  • CA354506A - Gasoline production : en fr
  • AU2200035A - Improvements in or relating to helicopter and rotating wing aircraft : en
  • US2023150A - Device for displaying containers : en
  • USD97707S - Charles eflmey : en
  • US2022843A - Hen nest : en
  • US2023228A - Magnetic flux generation and magnetic testing : en
  • US2023303A - Computing scale : en
  • DE622582C - Thrust bearings : de en
  • DE622894C - Collector for electric motors : de en
  • DE622777C - Peeling machine for grain : de en
  • CA354534A - Engine starting and reversing mechanism : en fr
  • FR791105A - Injection device for diesel engines with pre-injection and main injection : en fr
  • DE622731C - Device for the production of sponge iron by reducing iron ores : de en
  • DE622875C - Process for the preparation of tertiary nitriles : de en
  • FR791240A - Arc welding machine : en fr
  • GB440170A - Improvements in transmission drive gear : en
  • DE622790C - Procedure for connecting capacitors : de en
  • USD97721S - Design fob an exerciser : en
  • FR791243A - Improvements to establishing heels : en fr
  • GB439262A - Improvements in or relating to a process for the production of starch : en
  • DE622468C - Device for the production of sheet glass : de en
  • FR45772E - Automatic speed change for variable speed motion transmission : en fr
  • DE622683C - Process for the decomposition of hydrocarbon oils under pressure : de en
  • GB439206A - Improvements in or relating to radio receivers : en
  • CA354539A - Welding and cutting apparatus : en fr
  • GB439481A - Improvements in and relating to dynamo electric machines : en
  • US2022829A - Washing machine : en
  • US2022859A - Deep well pumping apparatus : en
  • US2023130A - Card printer : en
  • DK50975C - Electric Taillight for Bicycles. : da en
  • DE622750C - Device for adjusting the support rolls for the work rolls in rolling mills : de en
  • DE622602C - As a roll cover for paper machines serving felt with a tubular fabric as an insert : de en
  • GB439389A - Improvements in and relating to electric battery lamps : en
  • US2023030A - Method of wrapping packages : en
  • US2023127A - Toilet-bowl ventilator : en
  • US2023163A - Log scrubbing machine : en
  • US2023295A - Sludge digesting tank : en
  • US2022975A - Pressure regulator : en
  • AU2224335A - Starting and handicapping apparatus for dog racing : en
  • FR791165A - Improvements in apparatus used to dispense, in an intermittent manner, predetermined quantities of a liquid : en fr
  • FR791172A - Insecticidal or pest control agent : en fr
  • GB439627A - Variable gear : en
  • DE622738C - Electrically operated elevator for high conveyor speed with photoelectric devices attached to the car : de en
  • US2023098A - Handle : en
  • USD97744S - Design fob a burial vault : en
  • FR791059A - Method of coating bodies such as electrodes and other discharge tube components with foreign matter : en fr
  • FR791304A - Process for the fractional distillation of hydrocarbons and the like : en fr
  • GB439409A - Carbonising retorts for use in coke and gas-producing chamber ovens : en
  • FR45762E - Improvements to darts : en fr
  • FR791233A - Process for the manufacture of resinous substances which are similar in composition and properties to lacquer : en fr
  • CA354579A - Colouration process : en fr
  • DE622797C - Gas burner with removable burner cover : de en
  • US2022686A - Aluminum alloy casting and method of making the same : en
  • US2023341A - Hermetically sealed tin : en
  • US2022722A - Train-line relief valve : en
  • USRE19779E - Sorel-cement product and method : en
  • GB439416A - Improvements in or relating to water softening apparatus : en
  • GR5550B - OIAX CONTROLLER OF THE VOICE MACHINE OR GRAMOPHONE. : el en
  • FR791346A - Armchair for theaters or other similar uses : en fr
  • GB439247A - Improvements in or relating to cakes and cake stands : en
  • CA354521A - Spoked wheel manufacture : en fr
  • DE622685C - Process for increasing the blue sensitivity of photosensitive halogen silver emulsions : de en
  • FI16826A - Device in rubber-based footwear : en fi
  • FR791257A - Oil dewaxing process : en fr
  • CA354483A - Tire : en fr
  • CA354530A - Liquid flow controlling means : en fr
  • FR791323A - Cement preparation process : en fr
  • GB439214A - Improvements in and relating to wheel removing jacks : en
  • FR791029A - Application of light to the ringing call button by transparent indicator light indicating absence or reception time : en fr
  • GB439260A - Improvements in or relating to the production of artificial materials : en
  • GB439445A - Improvements in or relating to methods of gluing veneers and cross-ply sheets of wood : en
  • FR791140A - Counter-hunting for loom with automatic shuttle change : en fr
  • GB439495A - Improvements in means for controlling the tension of wires, during their winding on or from spools : en
  • FR45787E - Hydraulic servo control for vehicle brakes and other applications : en fr
  • FR791040A - Installation for the filtration of all liquids by vacuum : en fr
  • FR791251A - Advanced thermostatic device : en fr
  • FR791009A - Device for the suspension of the pivot cross member in bogie vehicles using equalizing beams : en fr
  • GB439257A - Improvements relating to a method for the production of seamless extruded sheathings of electric cables, from metals of relatively high melting points : en
  • GB439278A - Improvements in and relating to exhalation valves for gas protection masks : en
  • FR791234A - Makeup instrument : en fr
  • FR791301A - Cement : en fr
  • FR791114A - Machine for checking cards : en fr
  • FR791096A - Acetylene generator device : en fr
  • FR791031A - Velocipede chain derailleur control device with tensioner braking : en fr
  • FR791258A - Fuel for engines : en fr
  • FR791002A - Device preventing a transmitter and a receiver from influencing each other in traffic in opposite direction by carrier waves, and in particular in traffic with a single carrier wave : en fr
  • GB439325A - Improvements in well drills : en
  • US2022881A - Loading mechanism : en
  • USD97665S - Design for a shoe : en
  • FR791201A - Assembly for the synchronization of television receivers by the transmitter : en fr
  • FR791094A - Application of an alarm signal to the inner tubes of all vehicles : en fr
  • FR791102A - Hydraulic compression device, in particular for motor cars : en fr
  • DE622606C - Body strap with shoulder strap secured against displacement : de en
  • GB439449A - Improvements in and relating to cleansing and rinsing apparatus : en
  • FR791125A - Vacuum cleaner : en fr
  • GB439245A - Improvements in the manufacture of highly acetylated cellulose : en
  • IE13505L - Match packages : en
  • US2022736A - Reed for musical instruments : en
  • US2022922A - Hair net : en
  • US2023179A - Thread guide : en
  • US2023351A - Lifesaving suit : en
  • FR791052A - Improvements to ball dispensing devices : en fr
  • FR791186A - Fixing device for broom handles, brushes, fixed bars, etc. : en fr
  • DE622674C - Entertainment game with many differently designed objects lying one above the other : de en
  • GB440175A - Improvements in or relating to lubricating oils and the like : en
  • FR45786E - Improvements to autopilot devices : en fr
  • FR791282A - Voltage relay, particularly applicable to the control of voltage regulating devices : en fr
  • GB439222A - A device for supporting a hank of wool or other yarn during unwinding : en
  • US2023161A - Method of heating fluids : en
  • US2022837A - Cinch rigging ring : en
  • FR791137A - New performance hall for fixed or cinematographic projections : en fr
  • CA354517A - Paper : en fr
  • GB439355A - Process for the production of plastic materials : en
  • DK50989C - Device for two-row row cleaners. : da en
  • US2023305A - Nonrefillable bottle : en
  • US2023345A - Slicing device : en
  • US2022774A - Refrigerating apparatus : en
  • US2023104A - Display device : en
  • US2023293A - Necktie : en
  • FR791278A - Hydrocarbon treatment process : en fr
  • GB439400A - An improved wardrobe suitcase : en
  • US2023174A - Furnace construction : en
  • US2022646A - Grinding wheel feeding mechanism : en
  • USRE19771E - Plumbing fixture : en
  • DE622835C - Water tube boiler with a grate that automatically moves the fuel forward : de en
  • US2023286A - Mechanical separator : en
  • DK50968C - Lifting mechanism for Vehicles. : da en
  • FR791060A - Improvements to fishing panels : en fr
  • US2022757A - Adjustable means and operating assembly for road working machines : en
  • US2023206A - Shaft seal construction : en
  • US2023036A - Lint collecting apparatus : en
  • FR791151A - Filtration apparatus : en fr
  • DE622668C - Device for the transfer of knot points of wires over the stripping plates during molten coating : de en
  • DE622617C - Socket and socket for electric light bulbs, flash lamps, discharge vessels and similar closed glass vessels : de en
  • US2022735A - Drill : en
  • GB439395A - Improvements in handle guard for well casing elevators : en
  • FR45774E - Manufacturing process of 2-keto-1-gulonic acid : en fr
  • US2023322A - Timepiece : en
  • DE622791C - Electromagnetic relay, in particular telephone relay, with a recess in the yoke located in the region of the rear armature extension : de en
  • DK50965C - Wheel suspension for Vehicles. : da en
  • FR45799E - Improved process for producing seed germination and apparatus for its application : en fr
  • FR791270A - Improvements to toy airplanes : en fr
  • US2022821A - Automobile valve seat grinder : en
  • US2022937A - Tree band : en
  • GB439258A - Improvements in apparatus for the manufacture of the grooved rolls as used in pilger-rolling mills : en
  • FR791038A - Skill game : en fr
  • FR791325A - Improvements to vehicles, such as internal combustion engines, comprising a sliding fluid distributor : en fr
  • US2022803A - Process for cracking oil : en
  • GB439410A - Improvements in collapsible seats or chairs : en
  • US2023077A - Automobile bumper : en
  • US2023095A - Fastening device for electrical appliances : en
  • US2023169A - Quick priming and ignition attach : en
  • GB439219A - Improvements in double ply woven fabrics for garments : en
  • FR45791E - Improvements to multiple dispensing devices for drinks and other liquids : en fr
  • US2023060A - Coupling : en
  • US2023297A - Rotatable die : en
  • DE622799C - Quick connection for angled slides : de en
  • GB439267A - Improvements in and relating to hydraulic couplings : en
  • FR791115A - Method and device for bottling liquids or other materials, protected from air : en fr
  • FR791118A - Slow-running toy vehicle thruster : en fr
  • FR791173A - : fr
  • GB439313A - Mechanism for securing together a label or like band and a web or band of wrapping material by the application of heat : en
  • GB439372A - The manufacture of azodyestuffs : en
  • FR791057A - Folding lectern : en fr
  • CA354524A - Flexible abutment : en fr
  • USD97685S - Design fob an ensemble dress : en
  • DE619939C - Pot for brewing and pouring coffee with a protrusion located in the lower part on the inside of the pot : de en
  • DE622837C - Arrangement at electric induction ovens without a closed ferromagnetic circuit : de en
  • GB439356A - Improvements in the manufacture and production of aromatic hydroxy compounds : en
  • DE622716C - Folding box with hinged lid with tuck-in flap and two fields hinged to this, through which the tuck-in flap and the lid are doubled : de en
  • GB439236A - Light modulating device : en
  • GB439471A - Improvements in screw propellers : en
  • FR791300A - Advanced cowling for aircraft engines : en fr
  • DE622628C - Boring mill, especially fine boring mill : de en
  • FR791291A - Transport facility : en fr
  • GB440174A - Improvements in machines for husking grain : en
  • GB439350A - Improvements in means for supplying air to furnaces : en
  • FR791348A - Advanced training in electrical appliances : en fr
  • FR791123A - Electro-dynamic speaker : en fr
  • DE622649C - Process for the preparation of hydrocarbons : de en
  • US2022701A - Controller hitch for soil-working implements : en
  • US2022983A - Control circuit : en
  • USD97723S - Design fob a cosmetic jar : en
  • FR791027A - Contact Mechanism : en fr
  • FR791053A - Vehicle body, applicable in particular to motor vehicles : en fr
  • FR791335A - Fired dental filling block and method of making it : en fr
  • GB439285A - Improvements in axminster tuft yarn pattern setting frames : en
  • DE622730C - Device for drying paper or fabric webs printed with gravure inks by means of cold blown air : de en
  • US2022764A - Refrigerating apparatus : en
  • US2022653A - Fuel feeding means for internal combustion engines : en
  • US2022989A - Stopper : en
  • US2023045A - Ticket feeding and printing : en
  • USD97748S - Design for a bottle : en
  • USPP157P - catron : en
  • US2023151A - Container : en
  • DE622831C - Underwater torpedo ejection device : de en
  • GB439422A - Improvements in electric cables : en
  • GB439466A - Improvements in lifting jacks for motor vehicles and the like : en
  • DE622603C - Sound signal device : de en
  • FR791193A - Perfected percolator : en fr
  • GB439351A - Improvements in or relating to automatic lathes : en
  • GB439442A - Improvements in or relating to continuous absorption refrigerating apparatus : en
  • US2022827A - Samuel ruben : en
  • US2022848A - Window operating mechanism : en
  • US2022959A - Seat ventilating and cooling device for automobiles : en
  • US2023062A - Wall finishing material : en
  • GB439426A - Improvements in or relating to internal combustion engines of the liquid-fuel injection compression-ignition type : en
  • DE622691C - Device for forming a continuous path of partially overlapping sheets : de en
  • US2023384A - Mold disk for typographical machines : en
  • GB439453A - Improvements in or relating to facsimile printing telegraph receivers : en
  • US2022792A - Peach pitter : en
  • GB439570A - The manufacture of new vat dyestuffs : en
  • US2023153A - Fluid operated valve for fermentation receptacles : en
  • US2022724A - Automatic drain valve : en
  • FR791180A - Improvement to compositions containing paraffin : en fr
  • FR791253A - Cutting device for mowers : en fr
  • US2022770A - Pyrotechnic device : en
  • US2023088A - Intermittent cooling system : en
  • US2022772A - Method of and apparatus for trimming top lifts of heels : en
  • US2023103A - Motion picture apparatus : en
  • US2022695A - Method and apparatus for controlling the flow of volatile liquids : en
  • US2023198A - Overrunning clutch mechanism : en
  • US2022790A - Frequency indicating system : en
  • CA354520A - Universal joint : en fr
  • DE622677C - Device for optical scanning of reflecting surfaces : de en
  • FR791197A - Improvements to vehicle bodies : en fr
  • US2022904A - Vacuum pump : en
  • USD97750S - Design for a tire casing : en
  • US2022903A - Household cabinet for motion picture projection : en
  • US2022944A - Coin inserting mechanism for coin controlled vending apparatus : en
  • USD97677S - Design fob a sandal : en
  • DE622593C - Machine for tensioning the strings of tennis rackets : de en
  • FR791019A - Improvements in control devices, in particular those for variable speed transmissions for automobiles : en fr
  • DE622746C - Process for the production of reinforced concrete bodies with straight reinforcement bars offset under prestress : de en
  • CA354488A - Armature winding machine : en fr
  • FR791144A - Box structure with working coating, more particularly applicable to the construction of aircraft wings : en fr
  • FR791177A - Process for impregnating wood : en fr
  • FR791229A - Self-powered refrigeration machine : en fr
  • GB439195A - Manufacture of substituted aldols : en
  • US2023097A - Network system of distribution : en
  • US2023272A - Electron discharge device : en
  • USD97730S - Design for a hand bag : en
  • CA354475A - Condensate recovery apparatus : en fr
  • US2023012A - High pressure water tube steam generator : en
  • US2022720A - Railway traffic controlling apparatus : en
  • FR791139A - Central weft breaker for loom : en fr
  • FR791281A - Manufacturing process of tanned hides and skins by combined tanning : en fr
  • GB439304A - Improvements in or relating to wallboard joints : en
  • GB439493A - Improvements in or relating to cleansing and like agents : en
  • US2023083A - Outlet box and hanger bar : en
  • US2023147A - Wrapping machine : en
  • CA354558A - Outboard motor mounting : en fr
  • CA354484A - Lawn mower sharpener : en fr
  • CA354493A - Well casing head : en fr
  • US2023187A - Picker stick bumper : en
  • USD97694S - Design for a glass dish : en
  • US2023276A - Gas shut-off for hot water systems : en
  • GB439299A - Improvements in means for prevention of erosion or pitting in hydraulic pipes : en
  • AU2194335A - Improvements relating togas fires : en
  • US2023123A - Carburetor apparatus : en
  • DE622775C - Free-flight piston machine with counter-rotating masses : de en
  • DE622824C - Endless conveyor device for chocolate molds to be cooled : de en
  • CA354535A - Container closure : en fr
  • US2023242A - Shipping and display container : en
  • US2023374A - Butyl-acetonic fermentation process : en
  • USD97745S - Design for a lace : en
  • DE622598C - Glow lamp for generating a point light source : de en
  • DE622714C - Device for studying the bridge game : de en
  • GB439185A - Improvements in and relating to holders or containers for surgical dressings, medicated plasters and the like : en
  • US2022733A - Coating and filming machine : en
  • USD97726S - Design fob an electric lamp ob : en
  • US2022888A - Valve actuating device : en
  • FR791263A - Removable and adjustable steering knuckle chairs, eliminating the need for axles in all vehicles : en fr
  • US2023076A - Automobile bumper : en
  • US2022833A - Mechanism to be used upon motor vehicles : en
  • US2022987A - Steering means : en
  • DE622656C - Process for the production of water-insoluble azo dyes : de en
  • US2022708A - Railway traffic controlling apparatus : en
  • US2023055A - Object supporting means : en
  • US2023243A - Control system : en
  • DE622813C - Chimney top : de en
  • FR791174A - Domino card : en fr
  • US2023327A - Electric flatiron : en
  • US2022970A - Apparatus for manufacturing vinegar : en
  • US2022737A - Ring expander : en
  • US2022997A - Aryl mercuric heterocyclic carboxylates : en
  • US2023137A - Locking mechanism : en
  • US2023146A - Electric switch : en
  • GB439191A - Improvements in or relating to apparatus for indicating or recording the level or volume of water and other liquids : en
  • DE622704C - Hand cultivator adjustable to different working widths : de en
  • FR791073A - Process and device for the separation or recovery of materials contained in gases, vapors or mists : en fr
  • US2022996A - Stoker structure : en
  • USD97711S - Design for a beverage dispenser : en
  • FR791330A - Improvements to vertical retorts for the continuous distillation of carbonaceous materials : en fr
  • GB439436A - Improvements relating to mercerising liquors : en
  • FR791079A - Glassy material and its manufacturing process : en fr
  • US2023222A - Ringing circuit for radio : en
  • GB439341A - Improvements in the production of craped or crimped artificial yarns : en
  • GB439383A - Improvements in or relating to electric circuit breakers : en
  • USD97740S - Design fob a radio dial window : en
  • USRE19780E - Hydraulic press : en
  • CA354552A - Accounting machine : en fr
  • DE622753C - Process for dyeing leather : de en
  • FR791025A - Silencers and shock absorbers for furniture legs, etc. : en fr
  • FR45766E - Elastic suspension for wheels mounted on oscillating half-axles, in particular for motor vehicles : en fr
  • FR791207A - Voltage monitoring relays : en fr
  • GB439329A - Improvements in or relating to food safes and the like : en
  • FR791332A - Waterproof headgear : en fr
  • US2022751A - Girdle : en
  • DE622780C - Fuel pump with constant piston stroke and cup-like control cylinder : de en
  • DK50977C - Procedure for cooling material of all kinds by means of air, gases or mixtures of gases. : da en
  • US2023318A - Continuous pair furnace : en
  • US2022809A - Method fob fractionation control : en
  • FR791010A - Device for damping transverse oscillations of suspension components in rail vehicles : en fr
  • FR791109A - Improvements to devices for supplying fuel to explosive engine carburetors : en fr
  • FR791221A - Improvements to fuse electrical circuit breakers : en fr
  • US2022907A - Thermostatic switch : en
  • FR791181A - Improvement in elastic threads, rubber tubes or other similar products and in processes and apparatus for their manufacture : en fr
  • DE622630C - Automatic tapping machine with fast approach movement and slow working of the tool : de en
  • DE622756C - Process for the removal of gases stored in a storage container in a liquefied state : de en
  • DK50964C - Paper packaging for Bread or other bread-shaped Baking products. : da en
  • FR791299A - Antomatic sander for millinery bells : en fr
  • GB439441A - Improvements in or relating to holders for paper doyleys and like articles : en
  • FR791157A - Device for determining the content of a compound in one or more of its constituents : en fr
  • FR791324A - Improvements made to pistons, particularly those for internal combustion engines : en fr
  • US2022890A - Maggot extract and process of obtaining it : en
  • US2022706A - Lubricating device : en
  • DE622670C - Device for producing package flags with hanging thread : de en
  • FR791048A - Electric socket : en fr
  • GB439399A - Machine for shelling rice and other hard kernelled grains, seeds and beans : en
  • GR5544B - LAMP HEATING SYSTEM FOR LABORATORIES ETC. WITH AUTOMATIC FLAME REDUCTION SYSTEM WHEN THE OBJECT TO HEAT IS REMOVED. : el en
  • GB439217A - Improvements in and relating to electric transformers : en
  • DE622641C - Method of connecting thin insulated relay coil wires : de en
  • US2022911A - Conveyer mechanism for machines for handling bread : en
  • US2023350A - Valve : en
  • FR791183A - Elastic system comprising multiple elements reacting in series : en fr
  • US2022754A - Sewing machine : en
  • US2023031A - Boiler for pulp mills and the like : en
  • US2023201A - Evaporator for refrigerators : en
  • US2023370A - Method of forming cigars : en
  • DE622700C - Production of films, threads and molded bodies of all kinds from film-forming plastic materials, in particular cellulose derivatives : de en
  • DE622860C - Two-part roller bearing cage made of synthetic resin or the like. : de en
  • GB439349A - Improvements relating to building material and building construction : en
  • GB439256A - Manufacture of blue dyestuffs on the fibre : en
  • GB439367A - Improvements relating to floating covers for storage tanks for liquids : en
  • FR791083A - Carburetor improvements : en fr
  • US2023149A - Blood collecting machine for serum apparatus : en
  • USD97664S - Design for a corner trimmer for : en
  • USD97680S - Design for a shoe : en
  • US2023085A - Welding method : en
  • USD97700S - Similar article for wearing ap- : en
  • US2022898A - Internal combustion engine : en
  • FR791292A - Brakes for motor vehicles and other applications : en fr
  • GB439197A - Improvements in or relating to illuminated signs : en
  • GB439212A - Improvements in and relating to optical instruments : en
  • FR791017A - Lingerie piece comprising an inserted reinforcement piece and a location prepared for folding, and its manufacturing process : en fr
  • USD97691S - Design for a cabinet for phono : en
  • FR791168A - Improvements in the manufacture of solvents by fermentation : en fr
  • FR791269A - High pressure pump or rotary type motor : en fr
  • DE622721C - Contactor replacement device : de en
  • GB439298A - Improvements in helicopter flying machines : en
  • FR791286A - Safety gas burner : en fr
  • GB439342A - Improvements in or relating to magnetron arrangements and to electron discharge devices for use therein : en
  • DE622816C - Timers, especially for echo sounders : de en
  • FR791104A - Electronic discharge device : en fr
  • US2023056A - Butter churning means : en
  • DE622755C - Process for the production of potassium formate : de en
  • CA354538A - Valve stem : en fr
  • US2022917A - Bearing : en
  • US2023217A - Television scanning apparatus : en
  • US2023336A - Jacking unit for automobiles : en
  • CA354562A - Radio receiving circuit : en fr
  • US2023094A - Electric switch : en
  • CA354505A - Belt fastener : en fr
  • USD97683S - Design for a display stand : en
  • US2022984A - Mount for electron discharge devices : en
  • US2023280A - Resilient construction unit : en
  • CA354544A - Wheel aligning equipment : en fr
  • US2023220A - Holder or package for belt lacer hooks : en
  • US2022749A - Well flowing device : en
  • US2023267A - Feeding means for gas masks : en
  • AU2033234A - Improvements in or relating to modulated carrier wave receivers : en
  • US2022931A - Garment hem marker : en
  • US2023274A - Rubber footwear : en
  • US2022870A - Metal clad switch gear : en
  • US2023338A - Sealing device and assembly for rotating shafts : en
  • DE622722C - Classifying grate : de en
  • FR791171A - Plow with one coulter and double mobile mouldboards : en fr
  • US2022740A - Air conditioning device : en
  • US2023050A - Cultivator attachment : en
  • US2023131A - Steel shaft for golf clubs : en
  • US2023342A - Accordion : en
  • US2022715A - Electric clock : en
  • AU1947434A - Improvements in or relating to printing telegraph systems : en
  • US2022883A - Combination adjustable splint for fingers, hands, lower arms, and feet : en
  • DE622805C - Switch with arc extinguishing by compressed gas : de en
  • GB439354A - Improved means for operating impulse electric clock systems : en
  • GB439573A - Improvements in switchgear specially applicable to motor starters : en
  • DE622764C - Process for the production of matt rayon from viscose : de en
  • DE622888C - Machine for the production of register strips for the control of die setting and line casting machines with a counting device that is switched according to the die width : de en
  • US2023247A - Mill-drying process and apparatus : en
  • US2022762A - Power transmission assembly for motor-driven vehicles : en
  • GB439290A - Improvements in or relating to tuft-yarn spool and tube carrier frames for use in looms for weaving axminster carpets and like tufted pile fabrics : en
  • US2023003A - Process for the production of formic acid : en
  • US2023121A - Printing telegraph apparatus : en
  • DE622768C - Automatic controller for heating systems : de en
  • US2023180A - Gyrating sifter drive : en
  • DE622851C - Process for the production of plastics from cellulose compounds : de en
  • GB439404A - Process for the production of anti-corrosive oxide films on aluminium and its alloys : en
  • US2022731A - Liquid rectifying method and apparatus : en
  • US2023377A - Switch : en
  • FR791226A - Device for leveling concrete and all products in layers of regular thickness : en fr
  • CA354491A - Bucket : en fr
  • USD97705S - Similar article for wearing ap- : en
  • FR45779E - Bead : en fr
  • GB439279A - Manufacture of vat-dyestuffs : en
  • DE622886C - Die setting and line casting machine that can also work with a manual setting ship : de en
  • GR5546B - MOTORCYCLE TRANSMISSION FOLDING AND DEMOLABLE CAMPAIGN. : el en
  • FR791047A - Advanced adjustment device for binders : en fr
  • DE622604C - Process for the production of a bituminous or tarred stone material which can be installed cold and which remains grainy for a long time, especially for road construction purposes : de en
  • AU2026134A - Improvements in or relating to telephone systems : en
  • DE622622C - Process for the extraction of manganese from ores, slag and other raw materials : de en
  • DE622651C - Seal for radially acted blading of centrifugal machines, especially steam turbines : de en
  • DE622792C - Method for filling an acetylene bottle with commercially available kieselguhr : de en
  • FR791261A - dental prosthesis components (crowns and bridge pieces), preferably porcelain, and methods for the fabrication of bridges : en fr
  • DE622665C - Printing device : de en
  • GB439327A - Improvements in and relating to electric insulators : en
  • DE622706C - Process for producing durable suspensions : de en
  • FR791008A - Single-phase collector shunt motor : en fr
  • FR791179A - Improvements to paraffin capsules : en fr
  • GB440173A - Improvements in and relating to shaft distributors for looms : en
  • GB439424A - Improvements in or relating to apparatus for raising plants from seed without soil : en
  • GB439572A - A new beverage and method of preparing same : en
  • GB439366A - Improvements in the manufacture and production of valuable hydrocarbons by the cracking or destructive hydrogenation of carbonaceous materials : en
  • DE622744C - Process for preventing discoloration, especially reddening, of unsized cellulosic material : de en
  • FR45784E - Improvement in projection devices of images received on television : en fr
  • GB439480A - A plunger for washing clothes and washable fabrics : en
  • FR791297A - Marine water tube boiler : en fr
  • FR791023A - Toolbox : en fr
  • GB439452A - Improvements in pencils : en
  • GB439162A - Improvements in firebars : en
  • FR45769E - Mechanical chain grate for small households : en fr
  • US2023245A - Frequency changer : en
  • US2023354A - Method of and apparatus for brazing : en
  • FR791232A - Ram formed by a piston machine : en fr
  • FR791238A - Method and apparatus for reuse of used steel wire ropes and cables : en fr
  • GB439406A - Manufacture of bromination products of vat-dyestuffs : en
  • DE622839C - Process for producing ceramic masses : de en
  • GB439269A - An improved process for obtaining a highly swellable body from waxes : en
  • GB439297A - Improvements in and relating to clutches or brakes : en
  • US2022914A - Door operating mechanism : en
  • DE622833C - Tube closure in which the closing element consists of a roller that sits on the middle part of a resilient, pivotable wire bracket attached to the tube neck and, in the closed position, lies in a hollow cylindrical sealing surface of the tube mouth : de en
  • USD97669S - Design for a goblet ob similar : en
  • US2022760A - Shoe and method of making the same : en
  • US2023005A - Radio dial mechanism : en
  • US2022662A - Heating device : en
  • US2023278A - Method of purifying sand : en
  • US2022697A - Eyelash curler : en
  • US2023383A - Production of alcohols : en
  • US2023089A - Refrigeration : en
  • DE622895C - Pull switch socket : de en
  • GB439382A - Improvements in or relating to feeding-appliances for animals : en
  • DE622608C - Unrolling device for coils made of straps like : de en
  • DE622590C - Control of projectiles for mechanical centrifugal weapons equipped with a centrifugal rotor : de en
  • DE622715C - Process for the production of mineral wool : de en
  • US2023223A - Compensating superheater : en
  • US2023227A - Method of and apparatus for deconcentrating steam : en
  • US2023285A - Heat treating : en
  • US2022875A - Combination spout and shower diverter valve : en
  • CA354575A - Bristles treating method : en fr
  • US2022828A - Molding pan : en
  • US2023061A - Apparatus for the incorporation of a liquid with a gas : en
  • US2023168A - Control mechanism for hydraulic devices : en
  • US2022768A - Process of printing copies from : en
  • CA354512A - Welding electrode : en fr
  • CA354553A - Resistance unit : en fr
  • US2023102A - Tag : en
  • US2022901A - Process fob clarification of sewage : en
  • US2023058A - Grater and shredder : en
  • US2023093A - Doughnut forming machine : en
  • USD97674S - Design for a goblet ob similar : en
  • CA354489A - Dowel pin : en fr
  • CA354550A - Tractor track : en fr
  • FR791117A - Security device auxiliary check of authenticity of an identity document : en fr
  • FR791252A - Disc wheels and their manufacturing process : en fr
  • GB439479A - Improvements in or relating to electrolytic condensers : en
  • FR791196A - Manufacturing process for ankle boots and shoes and resulting industrial products : en fr
  • US2022972A - Variable gain amplifier : en
  • DE620353C - Device for the automatic interruption of the dispensing process with a piston measuring device after dispensing a certain number of liters : de en
  • USD97690S - Design for a cabinet for phono : en
  • US2023367A - Industrial water composition : en
  • US2023389A - Casein solution : en
  • DE622815C - Process for increasing the resistance of boilers or pipelines, in particular of dental vulcanizing kettles : de en
  • US2023311A - Minnow trap : en
  • US2023226A - Rectifier unit for electrolysis control : en
  • CA354585A - Refrigerating apparatus : en fr
  • USD97720S - Design for a bottle : en
  • USRE19783E - Compressor : en
  • US2022884A - Preparation of vat dyestuffs of the dibenzanthrone series : en
  • US2023261A - Knitting machine : en
  • US2023262A - Blade holder : en
  • US2023081A - Bumper construction : en
  • US2023230A - Collapsible tube and valve for dispensing fluids : en
  • DE622719C - Electric thread monitor arrangement for slip gate : de en
  • US2022676A - Composition of matter comprising ammonia, urea, and potassium salts, its preparation and use in making fertilizers : en
  • US2023235A - Spring drive : en
  • DE622825C - Process for making waterproof paper : de en
  • GB439451A - Process for the preparation of azodyestuffs capable of forming metal compounds and new products resulting from this process : en
  • CA354565A - Sulphonic acid soap : en fr
  • CA354567A - Hydrocarbon oil processing : en fr
  • US2022687A - Saturating machine and method of using same : en
  • US2022766A - Chemical composition : en
  • US2023196A - Hydrometer : en
  • US2023339A - Ventilator : en
  • US2023323A - Potato cutter and planter : en
  • US2023388A - Ester of polyglycerols and method of producing the same : en
  • DE622871C - Slide box for cigarettes : de en
  • US2023259A - Electric machine : en
  • US2023271A - Processes for reduction of contamination in solutions : en
  • US2023347A - Roll grinder for leather dressing machines and the like : en
  • USD97662S - Design for a tray or similar : en
  • US2023052A - Window construction : en
  • FR791223A - Fluid Supply Regulators Enhancements for Metalworking and Other Machines : en fr
  • FR791215A - Method for the use of gas discharge vessels, in particular mercury vapor rectifiers, as well as other current rectifiers : en fr
  • DE622707C - Process for the production of jelly confectionery pastes : de en
  • US2022936A - Jewelry : en
  • US2023051A - Automatically controlled electric circuit : en
  • US2022775A - Multiple pocket tool : en
  • US2022836A - Double sole attachment for knitting machines : en
  • DE622620C - Insert ampoule for injection syringes : de en
  • FR791311A - Device for mechanically recording oscillations, in particular sound vibrations on a film : en fr
  • US2022810A - Treatment of hydrocarbon oils : en
  • GR5545B - GOURETOPAYNION ADVERTISING PROFITABLE. : el en
  • US2022672A - Composition of matter and its use in the production of fertilizers : en
  • US2022711A - Barrel agitator and handle : en
  • US2023216A - Variable delivery pump or motor : en
  • USD97701S - Charles emmet : en
  • US2022951A - Beverage dispensing device : en
  • GB439360A - Method of and apparatus for preparing pulp stock for delivery to a paper-making machine : en
  • US2022905A - Thermostatic piston : en
  • US2023178A - Vacuum breaker : en
  • GB439192A - Improvements in vehicle tyres : en
  • DE622884C - Fixing device for ignition stones pyrophoric igniter : de en
  • FR791064A - Smoking pipe : en fr
  • FR791296A - Process for the separation of fluorine and aluminum in solutions obtained by treating crude phosphate with acids : en fr
  • GB440168A - Improvements relating to boilers : en
  • US2023043A - Homogenizer : en
  • US2023332A - Transparent partition : en
  • FR791066A - Audible warm-up indicator : en fr
  • US2023013A - Method of and apparatus for treating textile and other materials : en
  • FR791051A - Improvements to impedance networks : en fr
  • DE622832C - Echosounder for large differences in depth : de en
  • DE622826C - Double cassette for cinematographic apparatus : de en
  • DE622882C - Tura drive for the bucket chain of heavy bucket chain excavators : de en
  • US2022651A - Tractor : en
  • GB440171A - Improvements in or relating to collapsible boxes and box lids : en
  • US2022661A - Apparatus for effecting clarification of liquids : en
  • US2023212A - Apparatus for casting hollow articles : en
  • US2023346A - Static-releasing shoe : en
  • USD97684S - Design for an ensemble dress : en
  • DE622843C - Blow stowing machine with a cell drum for feeding in the stowed goods : de en
  • US2023260A - Display case : en
  • US2022854A - Treatment of filamentary materials : en
  • US2023299A - Necktie holder : en
  • GB439274A - Improvements in the manufacture and production of amines : en
  • US2023251A - Rubber material : en
  • GB439328A - Indirectly heated electronic tube : en
  • US2023160A - Alkyl chloro-dioxy-benzols : en
  • DE622741C - Centering device for blocks to be introduced into the transducer of a horizontal hydraulic press and to be punched according to Ehrhardt's method : de en
  • US2022958A - Automobile lock : en
  • DE622740C - Record with a metallic core : de en
  • FR791116A - Capping device for bottles and other containers : en fr
  • FR791276A - High ohmic value resistors manufacturing process : en fr
  • CA354495A - Anti-glare headlight : en fr
  • CA354559A - Outboard motor : en fr
  • US2023250A - Pump : en
  • US2022655A - Antiskid attachment for shoes : en
  • US2022805A - Radio receiver : en
  • USD97747S - Design fob a lace : en
  • US2022872A - Manufacture of pulp : en
  • US2023356A - Concealable furnishings : en
  • DE622788C - Device for controlling the closing of switches : de en
  • US2022924A - Margarine and method of making the same : en
  • US2023288A - Jaw-brace : en
  • US2023086A - Welding apparatus : en
  • US2023166A - Rectifier : en
  • GB439194A - Machine for polishing yarns or threads of fibrous substances : en
  • GB439440A - Device for holding drill bits during the forging and hardening or like operations : en
  • DE622671C - Two-cylinder fluid brake for motor vehicles : de en
  • FR791218A - Buttonhole sewing machine : en fr
  • CA354507A - Seed sower : en fr
  • GB439353A - Piston-rings : en
  • DK50963C - Resilient steel wire mesh for couches and beds. : da en
  • CA354583A - Aircraft : en fr
  • FR45796E - Typewriter : en fr
  • US2023382A - Interposed disk rheostat : en
  • USD97667S - Design fob a sandal : en
  • DE622745C - Color storage compartment for paint boxes : de en
  • US2022943A - Alarm : en
  • USD97675S - Design for a cocktail shaker or : en
  • CA354557A - Bearing unit : en fr
  • US2023141A - Extension handle for control levers : en
  • US2023239A - Automatic telephone system : en
  • FR791034A - Hot air sterilization method and apparatus : en fr
  • FR791347A - Spiral control device for converting one rotary movement into another : en fr
  • FR791182A - Process for water improvement : en fr
  • FR791313A - Safety device intended for mechanisms slaved to an automatic control : en fr
  • DE622761C - Process for the preparation of stable reducing compounds of substituted dyes of the thioindigo series : de en
  • AU2190235A - Improvements in adjustable spring mattress beds : en
  • FR791268A - Bath cabin : en fr
  • US2022689A - Automatic reduction gear : en
  • FR45819E - : fr
  • AU1906934A - A screen registering device forthe production of signs, showcards orthe like : en
  • USD97692S - Design fob a cabinet fob phono : en
  • CA354528A - Glass furnace : en fr
  • US2022665A - Plastic sound reproduction system : en
  • DK50980C - Elastic footrest that is shaped like a shoe insert and consists of a slotted plate. : da en
  • CA354568A - Offsetting eliminating method : en fr
  • CA354472A - Fluid delivery and measuring device : en fr
  • GB439200A - Process for the manufacture of dyestuffs of the triaryl-methane series : en
  • US2022933A - Photographic printing : en
  • DE622812C - Device for cutting potatoes, fruits or the like into strips : de en
  • DE622830C - Device for porking luffing booms, especially for ships : de en
  • DE622699C - Coupling for high-speed vertical motors, especially for driving spinning pots, twisting spindles, centrifuges or similar high-speed machine parts : de en
  • US2023019A - Apparatus for saturating sheet material : en
  • US2023283A - Electric fixture : en
  • DE622769C - Polishing device : de en
  • DE622718C - Mobile conveyor device for coal or similar materials with an endless belt : de en
  • GB440172A - Improvements in or relating to the exothermic treatment of solid materials in rotary furnaces : en
  • US2022814A - Centrifugal bowl for separating heavy sludge and solids from lighter liquids : en
  • US2022945A - Keyless combination lock : en
  • DE622678C - Circuit arrangement for inductive transmission of direct current surges via connecting lines : de en
  • FR791124A - building element and its applications : en fr
  • US2022831A - Identification branding machine : en
  • US2023249A - Covered joint hinge : en
  • USD97703S - Similar article for wearing ap- : en
  • DE622627C - Testing device for interrupters of internal combustion engines : de en
  • FR791287A - Improvements to bottle filling and capping devices : en fr
  • GB439326A - Improvements in coupling apparatus for vehicles and especially for railway vehicles : en
  • DK50962C - Procedure for laying rails, in particular railway and tram rails, on rubber. : da en
  • FR791028A - Tamper-evident device for presenting postage stamp collections in the form of visible decorations : en fr
  • DE622858C - Tool for checking weld seams : de en
  • FR791001A - Improvements to magnetron tubes : en fr
  • FR791208A - Process for treating skins and products obtained : en fr
  • GB439467A - Process of recovering sulphur from gases containing sulphur dioxide : en
  • GB439181A - Improvements in or relating to the treatment of fabrics : en
  • US2022998A - Battery cell : en
  • FR791042A - Graduated spoon : en fr
  • GB439204A - Improvements in or relating to obtaining alkaline earth metals by electrolysis : en
  • US2022891A - Photocopy machine : en
  • US2023210A - Electrical game device : en
  • US2023254A - Spring suspension for vehicles : en
  • DE622827C - Device for rolling up and unrolling an endless movie : de en
  • DE622864C - Method for removing moist paper sheets or the like from a sieve and for drying the sheets : de en
  • DE623423C - HEATING SYSTEM CONNECTED TO A STEAM NETWORK WITH SEVERAL WEAR ONE CONNECTION : de en
  • FR791164A - Improvements to hydraulic presses for scrap metal coming out in compressed blocks : en fr
  • DE622595C - Process for the production of methyl alcohol and other oxygen-containing organic compounds : de en
  • FR791110A - Drum brake improvements : en fr
  • FR791169A - Swivel swing on vertical axis and horizontal axis : en fr
  • US2022885A - Windshield cleaner : en
  • FR791329A - Improvements to cardan bearings : en fr
  • US2022745A - Traffic safety device : en
  • US2022849A - Textile machine : en
  • GB439301A - Improvements in and relating to piston engines with self-lubricating packing rings : en
  • GB439308A - Improvements in and relating to the grips, handles or shafts of percussion or swinging implements : en
  • GB439423A - Improvements in or relating to internal combustion engines : en
  • FR791266A - Dial of t. s. f. giving the illuminated marker alone the desired station : en fr
  • GB439430A - Process for the treatment of hydrocarbon oils : en
  • US2022759A - Abrading tool : en
  • USD97686S - Design fob a crucifix : en
  • DE622425C - Process for the production of a bag by folding and stitching a rectangular blank : de en
  • GB439680A - Improvements in the manufacture and production of azo dyestuffs : en
  • FR791188A - : fr
  • GB439230A - Method and means for securing the adhesion of driving belts on pulleys : en
  • FR791056A - Method and device for the mechanical manufacture of window glass : en fr
  • FR791170A - Warping machine improvements : en fr
  • FR791224A - Cream tube : en fr
  • US2022876A - Razor blade knife : en
  • USD97704S - Similar article for wearing ap- : en
  • US2023360A - Slicing machine : en
  • US2023348A - Apparatus for optical printing : en
  • US2023357A - Paper toweling : en
  • US2022664A - Manufacture of cellulose from lignocellulose materials : en
  • GB439458A - Improvements in or relating to taximeters : en
  • FR45794E - Improvements to automatic rivet setting machines and similar machines : en fr
  • FR791294A - Improvements to packaging for triangular objects : en fr
  • GB439569A - Improvements in rubber heels : en
  • US2023234A - Collapsible chair : en
  • USD97732S - Design for a textile fabric : en
  • USRE19770E - Production of sponge ibxn : en
  • US2023082A - Adjustable cylinder hone : en
  • FR791295A - Improvements at t receiving stations. s. f. : en fr
  • GB439414A - Improvements in or relating to cathode-ray tubes : en
  • IE14267L - Weft-carriers for weaving looms : en
  • US2022730A - Work supporting attachment : en
  • GB439250A - Purification of hydrocarbon oils : en
  • GB439384A - Improvements in and relating to copper alloys and to methods of heat-treating the same : en
  • US2023213A - Aeroplane construction : en
  • FR791264A - Door lock : en fr
  • DE622878C - Winding arrangement for high voltage transformers : de en
  • US2022690A - Rope : en
  • US2023211A - Casket handle : en
  • US2022856A - Method of producing cellulose acetate : en
  • US2022912A - Machine for forming automobile frames and the like : en
  • US2023238A - Vehicle body : en
  • DK50983C - Procedure for Making Reflective Copies. : da en
  • FR791090A - Method and devices for electrical measurements with direct reading and visual indicator : en fr
  • DE622857C - Volume reducer : de en
  • US2023049A - Universal harrow and cultivator : en
  • US2023145A - Paper hanger's gauge : en
  • CA354581A - Colouration process : en fr
  • US2023284A - Refrigerating apparatus : en
  • AU2129635A - Process of preparing homogeneous solutions of cellulose in sulphuric andother acids or mixtures of acids, andthe preparation of artificial threads, films, ribbons and suchlike artificial products therefrom : en
  • CA354500A - Shirt and collar : en fr
  • CA354485A - Sealing system for reciprocating members : en fr
  • USD97663S - Design for a coffee percolator or : en
  • DE622589C - Tension lever arrangement on air rifles with lever tension : de en
  • DE622723C - Drive for device with two oscillating masses which act against one another with respect to the drive and are connected to one another by elastic means, in particular for sham sieves : de en
  • US2022761A - Drying method and apparatus : en
  • US2022957A - Carburetor : en
  • US2023268A - Method of making a strip of rubber material : en
  • GB439330A - Improvements in or relating to gasfilled electric incandescent lamps : en
  • US2023075A - Nitrogen containing esters : en
  • US2022649A - Stock support for heating furnaces : en
  • US2022794A - Brake : en
  • FR45773E - Device for adjusting the number of revolutions in internal combustion engines with injection : en fr
  • US2023182A - Paper container : en
  • USD97702S - Emmey : en
  • AU2033134A - Improvements inthe tempering of plateglass andother glass sheets : en
  • DE622771C - Relief device for bridge scales : de en
  • CA354574A - Upholstery installation : en fr
  • US2023333A - Method of making caffein-free coffee : en
  • US2022860A - Stabilized hydrogen peroxide composition : en
  • US2022867A - Machine for weighing and packing pulverulent material : en
  • US2023143A - Valve construction : en
  • FR791178A - Improvements to electric ovens : en fr
  • US2022971A - Coin collector apparatus : en
  • US2023255A - Electric valve operated motor : en
  • DE622850C - Device for cleaning and cooling generator gases in motor vehicles : de en
  • CA354543A - Goffered film duplicating apparatus : en fr
  • DE622808C - Flat weft knitting machine with a press consisting of sheets guided between the sinkers : de en
  • US2022913A - Aerator for furnaces : en
  • US2023248A - Removable adjusting cushion : en
  • US2022930A - Automatic door bottom : en
  • US2023033A - Control head : en
  • US2023241A - Oil separator for refrigerating systems : en
  • US2022786A - Apparatus for handling glassware : en
  • USPP154P - byrum : en
  • CA354554A - Sliding fastener : en fr
  • FR791075A - Process and control devices in the manufacture of incandescent lamps : en fr
  • GB439375A - Improvements relating to means or apparatus to be employed in testing or investigating and in maintaining or correcting or remedying and/or developing the power of humanvision : en
  • FR45764E - Artificial bristles with reduced gloss and transparency : en fr
  • FR791216A - Development in sockets : en fr
  • AU2030634A - Device for cutting sugar cane trash : en
  • US2022742A - High colonic therapy apparatus : en
  • CA354547A - Roots type blower : en fr
  • US2022956A - Manufacture of dyestuffs of the anthraquinone series : en
  • US2023164A - Method and apparatus for determining molecular weights of gases or vapors : en
  • DE622708C - Device for a drying chain for staggering, closing and stacking envelopes provided with sealing flaps : de en
  • FR791307A - Pipe seal : en fr
  • FR791166A - Cement part for the formation of flashings for floors or roofs of buildings : en fr
  • CA354492A - Building insulation : en fr
  • US2022855A - Speed wrench : en
  • US2023362A - Adjustable knife frame for bread-slicing machines : en
  • USPP152P - M h horvath : en
  • CA354536A - Heat regulator for stove ovens : en fr
  • CA354556A - Hand operated postal machine : en fr
  • AU2026434A - Improvements in or relating to navigation aiding radio systems : en
  • US2022688A - Cutting and collecting mechanism for printing machines : en
  • US2022798A - Manufacture of coated aluminum articles : en
  • US2023291A - Butter-chip machine : en
  • US2022780A - Container : en
  • USD97728S - Design for a textile fabkic : en
  • US2023218A - Pneumatic dispatch tube carrier : en
  • US2022645A - Two-hand control for presses : en
  • US2022682A - Vacuum pump : en
  • US2023134A - Portable mop wringer and pail unit : en
  • DE622727C - Process for the production of pure benzene from crude benzene : de en
  • DE622883C - Cutting device for the production of individual baking slices : de en
  • FR791054A - Process for the destructive hydrogenation of distillable carbonaceous materials : en fr
  • US2022787A - Refrigerating apparatus : en
  • US2023156A - Loose leaf binder : en
  • US2023215A - Operating means for washing machines, driers, and the like : en
  • GB439405A - Method of making covered book form savings banks : en
  • DE622885C - Process for printing textile fabrics of vegetable origin with dyes : de en
  • GB439429A - Improvements in or relating to meters adapted for measuring and/or indicating the quantity of fluid passing therethrough : en
  • DE622846C - Process for the production of dyes : de en
  • DE622749C - Rock drill for underwater drilling : de en
  • US2023287A - Separator : en
  • US2023004A - Electrical wiring system : en
  • CA354496A - Sectional glass container : en fr
  • US2022755A - Apparatus for treating molten material : en
  • USD97727S - Design fob lace : en
  • USRE19774E - Bail anchor : en
  • DE622663C - Method and device for the display of individual components in gas mixtures : de en
  • DK50976C - Milk cooler. : da en
  • US2023092A - Roller bearing : en
  • US2023365A - Automatic alternating-current welder : en
  • AU2027934A - Treatment with hydrogenating gases of distillable carbonaceous materials : en
  • DE622807C - Multi-pole electrical machine with small expansion in one direction : de en
  • GB439413A - Improvements in or relating to suction cleaners : en
  • CA354523A - Galvanic cell : en fr
  • CA354546A - Locomotive booster motor : en fr
  • US2023361A - Fluid-pressure operated diaphragm device : en
  • US2023066A - Flooring : en
  • FR45797E - Process for producing dyes for vats : en fr
  • FR791331A - Advanced gas generator : en fr
  • DE622770C - Device for controlling the work processes in machine tools, in particular grinding machines : de en
  • DE622785C - Drum magnetic separator : de en
  • CA354586A - Roof or wall covering : en fr
  • FR791185A - Improvement made to magnesian floors : en fr
  • FR791121A - Anti-parasite perception system for t. s. f. : en fr
  • US2022994A - Mechanical stoker : en
  • DE622772C - Lens changer : de en
  • CA354578A - Roving controller : en fr
  • US2022845A - Process for the oxidation of hydrocarbons : en
  • USD97731S - Design fob a concrete vibrator : en
  • AU2048434A - Pre cipitation * : en
  • DE622695C - Concentric high frequency cable : de en
  • US2022728A - Steam generator of the water tube type : en
  • US2022823A - Calculating machine : en
  • US2023256A - Control device : en
  • CA354515A - Ethylene oxide production : en fr
  • GB439300A - Improvements in apparatus for dry cleaning tennis or other inflated balls : en
  • USD97742S - Design for a buckle : en
  • DE622774C - Device for coring corn : de en
  • FR791184A - Single observation station acoustic altimeter : en fr
  • FR791244A - Machine allowing prolonged and simultaneous testing of several test bodies : en fr
  • US2023349A - Valve : en
  • FR791230A - Eyepiece tube changer for microscopes or optical instruments : en fr
  • GB439281A - Improvements in and relating to hearths for domestic fires : en
  • FI16827A - The refining conditions for the production of cement : en fi
  • GB439359A - Manufacture of carbocyanine dyestuffs : en
  • DE622646C - Double bowl shortage : de en
  • DE622872C - Process for the extraction of minerals from ores by the floating process : de en
  • FR45780E - New method of using electromagnetic waves : en fr
  • FR45790E - Method and apparatus for taking, reproducing and projecting photographs or cinematographic films giving relief and changing-appearance images, and optionally in color : en fr
  • FR791092A - Security device against theft of motor vehicles : en fr
  • FR791267A - Method and device for removing dust from gas flowing in a pipe : en fr
  • GB439418A - Improvements in or relating to designer wheels for knitting machines : en
  • CA354511A - Bright aluminium surface production : en fr
  • FR791005A - Receiver device for carrier current systems with switching on of the carrier current by means of signaling currents modulating this carrier current : en fr
  • FR791111A - Receipt and evacuation device for household and industrial waste : en fr
  • FR791277A - Selvedge guide introducer device for fabrics : en fr
  • GB439431A - Improved drive for wire spooling machines : en
  • US2023025A - Insulated blowpipe : en
  • US2022769A - Can holder : en
  • DE622787C - The use of a silicon-manganese-chromium-copper-aluminum steel : de en
  • US2022703A - Gear type coupling : en
  • US2022710A - Process of coloring synthetic resin articles : en
  • FR45825E - : fr
  • US2022815A - Centrifugal bowl for separating heavy sludge and solids from lighter liquids : en
  • FR791022A - Welding process and welding machine : en fr
  • US2022750A - Method of manufacturing moistureresistant mineral wool : en
  • DE622712C - Lock for wheeled vehicles : de en
  • US2022978A - Objectives for taking, printing, and projecting lenticular films : en
  • US2023148A - Hydraulic apparatus : en
  • US2022818A - Regulator : en
  • US2023119A - Range control system : en
  • US2023177A - Pen wiping device : en
  • FR45785E - Sulfur wetting process : en fr
  • GB439388A - Improvements relating to telephone systems : en
  • GB439456A - Improvements in wet starch systems : en
  • FR791153A - Improvements to devices used for the application of therapy by touching the great sympathetic : en fr
  • GB439411A - Improvements in or relating to vacuum cleaner nozzles : en
  • DE622705C - Floatless carburettor for motor vehicles : de en
  • GB439373A - Improved means for connecting a tractor to a binder or other implement : en
  • FR791203A - Installation for signaling and showing the positions of moving parts : en fr
  • GB439201A - Improvements in or relating to the manufacture of cigarettes provided with filter tips : en
  • FR791250A - Improvement of the tread surface of tires : en fr
  • US2022820A - Drum : en
  • US2023316A - Sack sewing machine : en
  • US2023344A - Point and switch : en
  • CA354582A - Aircraft propeller : en fr
  • US2023132A - Skirt closure : en
  • US2023319A - Crank press : en
  • US2022683A - Rope : en
  • DE622688C - Method and device for the production of sleeves or rolls from strip material : de en
  • DE622762C - Device for the automatic control of the shut-off elements in gas generation systems with a pressure medium that actuates the shut-off elements : de en
  • DK50982C - Metalworking machine. : da en
  • DE622597C - Process for the production of printing forms for planographic printing : de en
  • FR791062A - removable protective screen in all directions for spectacles and the like : en fr
  • US2023309A - Viscosimeter : en
  • GR5543B - LUCKY GAME. : el en
  • DE622684C - Control arrangement for gas turbine systems with constant speed : de en
  • US2022647A - Buckle : en
  • US2022920A - Revolving fan : en
  • US2023035A - Piston skirt expander : en
  • US2022923A - Diazonium compounds : en
  • USD97717S - Design fob a textile fabric : en
  • USRE19776E - judd r : en
  • FR45765E - Devices for projection on screen and photographic recording of indications of indicating devices in general and in particular of weighing devices : en fr
  • GB439211A - Improvements relating to means for locking the doors of coin-freed vending machines : en
  • GB439317A - Improvements in and relating to the automatic regulation of an electrical supply : en
  • US2022935A - Asymmetrical ureas and their production : en
  • US2023385A - Stabilizing oils : en
  • US2022773A - Blank-making machine : en
  • US2023221A - Transmitting measurements to a remote point : en
  • FR791138A - Watertight shelter, mobile or fixed, against asphyxiating gases : en fr
  • FR791127A - Improvements to wireless telegraphy broadcasters : en fr
  • DE622609C - Umfuehrungseinrichtung for rolling mills : de en
  • US2022979A - Manufacture of dithiocarbamates : en
  • US2022993A - Stoker mechanism : en
  • US2023162A - Detachable and collapsible : en
  • USD97661S - Design for a waffle iron or : en
  • FR791255A - Process for improving the shelf yield of braun tubes : en fr
  • FR791315A - Device to facilitate the interpretation of indications from gyroscopic devices : en fr
  • GB439295A - Manufacture of substituted aromatic amino-compounds : en
  • US2023378A - Apparatus for binding cut edges of pile fabrics : en
  • US2023124A - Aerial toy : en
  • DK50986C - Device for Laundry, which must be stiffened. : da en
  • FR45798E - Process for the manufacture of tapes, threads, sheets and flexible tubes of polystyrol or similar artificial materials : en fr
  • GB439223A - Apparatus for building roads : en
  • GB439487A - Improvements in hydraulic transmission : en
  • GB440169A - New method of manufacturing cheese for grating : en
  • US2022857A - Machine for making burners : en
  • DE622739C - Process for the production of artificial masses : de en
  • DK50981C - Air cushion or pneumatic Upholstery containing two or more Separation of Separate Air Passage Separate Departments. : da en
  • DK50990C - Device at Grinder with rotating Column and self-adjusting Column. : da en
  • US2022663A - Speed transmission : en
  • US2023105A - Autocopter aircraft : en
  • US2023275A - Method and means for surfacing glass : en
  • FR45792E - Plots and similar elements used in road signs : en fr
  • AU2239135A - Improvements relating tothe froth flotation of minerals : en
  • FR791341A - Motor with oblique crank and cylinders parallel to the crank shaft : en fr
  • GB439188A - Manufacture of basic copper chlorides : en
  • GB439272A - Improvements relating to bituminous road and the like materials and the method of making same : en
  • FR791192A - Cable thimble strop for mining cages : en fr
  • FR791338A - Azo dyes and process for their production : en fr
  • GB439261A - Manufacture of alkylated imidazoles of high molecular weight : en
  • FR791035A - Combination base for gas mask : en fr
  • FR791239A - Tilting trolley : en fr
  • GB439187A - Improvements in or relating to golf clubs : en
  • US2023048A - Internal combustion engine : en
  • GB439435A - Improvements in the manufacture of washing preparations and the like : en
  • DE622637C - Process for the production of glaze-like coatings on building bodies : de en
  • FR791159A - Manufacturing process for uric acid dissolving products : en fr
  • GR5542B - SHEET SHARPENER. : el en
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  • GB439407A - Improvements in the manufacture of screw propellers : en
  • US2022846A - Safety gas and fuel valve : en
  • US2023023A - Building block : en
  • USD97741S - Design for a fluid treating vessel : en
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  • US2022874A - Thermostatic control device : en
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  • GB439381A - Improvements in tobacco cutting devices : en
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  • US2022788A - Telephone communicating system : en
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  • CA354482A - Cow bell strap : en fr
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  • GB439190A - Improvements in or relating to electrical signalling systems : en
  • USD97725S - Design fob a combined display stand : en
  • GB439626A - Improvements in and relating to water gas generators : en
  • DE622781C - Device for closing fireproof doors with two door leaves : de en
  • GB439437A - Printing telegraph receiver : en
  • FR791342A - Control of rotary pistons of internal combustion engines : en fr
  • FR791080A - Improvements to greenhouse constructions : en fr
  • US2022685A - Disintegrating cartridge belt : en
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  • GB439275A - Improvements in or relating to the treatment of rubber : en