• USRE22427E - Handwheel brake operating : en
  • CA417992A - Resin coating : en fr
  • US2340133A - Propeller blade : en
  • US2339754A - Supervisory apparatus : en
  • US2339855A - Machine for testing adherence of sheet coatings : en
  • US2340054A - Drill press : en
  • US2340201A - Glass processing machine : en
  • US2340091A - Spark plug : en
  • US2340186A - Automobile door handle : en
  • US2339775A - Coating composition : en
  • USRE22423E - Honing machine : en
  • US2339773A - Divisible soap bar : en
  • US2340176A - Shear reinforced composite structure : en
  • CA418054A - Laminated structure : en fr
  • US2340164A - Cooling unit : en
  • US2340118A - Locking device : en
  • US2340190A - Conveyer : en
  • CA417966A - Camera depth of field indicator : en fr
  • USD137118S - Design fob a service dish or similar article : en
  • FR890087A - Tea substitute and its method of preparation : en fr
  • FR890010A - Dispenser container for liquid soap or other product : en fr
  • FR890040A - Control, by means of an electro-motor, of the fuel loading system of mechanical undernourished stoves : en fr
  • FR890122A - Automatic device for splitting, after quenching, ribbons of thin safety razor blades : en fr
  • GB558884A - High-voltage direct current supply system : en
  • CA417900A - Belt wrapper for strip material : en fr
  • CA417961A - Photographic emulsion : en fr
  • US2340152A - Air cleaner and silencer : en
  • US2339765A - Staple fiber cutter : en
  • US2340209A - Burial vault and method of making same : en
  • US2340106A - Machine for corking bottles : en
  • US2340148A - Combined display and shipping device : en
  • US2340221A - Roll for carding or garnett machines : en
  • US2340113A - Master cylinder and piston construction : en
  • FR890143A - Heating bath for steels : en fr
  • DE744796C - Simple friction clutch or one that can be switched to two shafts, especially for motor vehicles : de en
  • US2339908A - Dispensing apparatus : en
  • US2340270A - Diesel engine control : en
  • DE744839C - Fire retardant cover : de en
  • FR890085A - Improvement in processes for treating vegetables and fruits with a view to their conservation by dehydration : en fr
  • US2339874A - Balancing hydrocarbon conversion : en
  • US2340218A - Liquid dispensing apparatus : en
  • CA417943A - Telephone system : en fr
  • DE744757C - Process for the preparation of N- (oxaethyl) -aminooxybenzenes and their core substitution products : de en
  • US2340260A - Packaging eggs and the like : en
  • DE744449C - Arrangement for short-circuit forwarding : de en
  • DE744736C - Switching device in which several switching or coupling processes are effected simultaneously by a lever movement, in particular for transfer cases of motor vehicles with four-wheel drive : de en
  • FR889945A - Method and device for precipitating metals from solutions of salts of these metals : en fr
  • FR890105A - Feeding device for loom with automatic shuttle change : en fr
  • FR890032A - Combination of devices to increase the efficiency of internal combustion or internal combustion engines : en fr
  • GB558958A - Improvements in or relating to fluid treatments of yarns and similar materials : en
  • FR890120A - Stretcher : en fr
  • FR890130A - Process for obtaining celluloses for fibers obtained by spinning : en fr
  • FR889905A - Bypass milling machine : en fr
  • FR890115A - Knotters for binders : en fr
  • FR890061A - Method and devices for photographic fixation of periodic phenomena, in particular for radiography : en fr
  • GB558839A - Improvements in operating gear for overhead valves of internal combustion engines : en
  • GB558920A - Improvements in apparatus for the dry cleaning of coal : en
  • FR890025A - Improvement of optical measuring means applied to machines or instruments : en fr
  • GB558929A - Wind turbine : en
  • FR890028A - Wood carbonization process, and production oven : en fr
  • US2340127A - Process of slitting and coating : en
  • DE744742C - Method and machine for joining shoe parts by gluing : de en
  • DE744846C - Sand mold : de en
  • US2339824A - Can opener : en
  • FR890049A - Process for the preparation of monoazo dyes : en fr
  • GB558830A - Improvements in self-regulating motor-generator sets : en
  • US2340010A - Variable stroke combustion engine : en
  • GB558964A - Improvements in high frequency power valves : en
  • US2340028A - Well flowing means : en
  • DE744808C - Process for the production of potato cider vinegar from potato mash or wort : de en
  • DK61833C - Breast pump. : da en
  • GB558932A - An improved inflator valve : en
  • DE744740C - Ventilation device for motor vehicles : de en
  • US2340081A - Magnetic shield for electrical apparatus : en
  • USD137145S - Design fob a domestic water heater : en
  • US2339825A - Drying cellular organic products : en
  • US2340182A - Electric clock : en
  • US2340269A - Sheave device for draping fourdrinier wire : en
  • FR889919A - Sticky wax for dental purposes : en fr
  • FR890095A - Improvements to filters for gasifiers : en fr
  • FR889982A - Use of raw or oxidized galena in the manufacture of protective paints for metal surfaces : en fr
  • GB558904A - Improvements in or relating to the production of hydraulic cement compositions : en
  • US2339881A - Skin fastener : en
  • US2340232A - Process for the extraction of components from solid mixtures : en
  • US2340241A - Aircraft gearing : en
  • FR890019A - Manufacturing process for toys and other glued paper : en fr
  • GB558813A - Improvements in and relating to synthetic resins : en
  • FR889950A - Small heat recuperator : en fr
  • DE744863C - Process for the production of fish protein : de en
  • FR890075A - Stamped aluminum draw-off pressure tap : en fr
  • USD137120S - Joseph lenhrkt : en
  • CA417942A - Desk telephone set : en fr
  • FR890066A - Dropper with adjustable inclination adaptable to the caps : en fr
  • US2340167A - Lighter for gas burners : en
  • GB558836A - Improved means for suspending articles of furniture or the like upon a wall : en
  • GB558852A - Improvements in directional aerial systems : en
  • DE744869C - Process to prevent the encrustation of heating surfaces when evaporating sulphite pulp waste liquor : de en
  • US2339981A - Automatic phonograph : en
  • US2339893A - Method of laying longitudinal wall courses : en
  • US2340255A - Roach run : en
  • USD137126S - Design for a suit : en
  • GB558949A - Improvements in apparatus for feeding ammunition belts to machine guns : en
  • GB558853A - Improvements in boxes for tools and similar implements : en
  • GB558970A - Improvements in and relating to reciprocating ram pumps : en
  • FR889944A - Curved profile spoiler for airplane lifting wing : en fr
  • USD137115S - Design fob a draft arm for beverage dispensers : en
  • GB558816A - Improvements in and relating to electrical insulating compositions : en
  • US2339838A - Cracking petroleum oil : en
  • US2340072A - Solution of water-soluble cellulose ethers : en
  • US2340114A - Indicator : en
  • US2340197A - Safety switch : en
  • US2340244A - Fabric drawoff means for textile machines : en
  • USD137125S - Design foe a suit : en
  • DE744823C - Process for the production of phenols from phenol-containing oils, tars or the like. : de en
  • CA417971A - Photographic colour correction process : en fr
  • CA417930A - Therapeutic bath apparatus : en fr
  • US2340041A - Automatic bank control : en
  • US2339755A - Boat-handling gear : en
  • AU130513B2 - Improvements in or relating to circular independent needle knitting machines : en
  • CA417931A - Strain gauge : en fr
  • DE744143C - Overlay receiver with a multi-grid mixing tube : de en
  • US2340051A - Process for setting twist in rayon knitting yarns : en
  • US2340103A - Apparatus for making tissue type paper : en
  • CA417915A - Hair wave pad : en fr
  • CA418042A - Gyroscope erection device : en fr
  • US2339895A - Dispensing device : en
  • US2340213A - Impulse traffic register : en
  • US2340034A - Refrigerating system : en
  • FR889967A - Acetylene gas generator carbide baskets device, to avoid gas overproduction : en fr
  • GB558946A - Method and apparatus for catalytic conversion : en
  • GB558877A - Noise control circuit for angular velocity modulation receivers : en
  • US2339750A - Time delay circuit : en
  • CA418082A - Railway car door lifting mechanism : en fr
  • US2339896A - Heat sealing machine : en
  • US2339766A - Staple fiber cutter : en
  • US2339768A - Synthetic condensation product : en
  • US2340126A - Control apparatus : en
  • US2340169A - Road grader : en
  • GB558925A - Improvements in and relating to the electrolytic treatment of aluminium and aluminium base alloys : en
  • US2339999A - Telegraph storage and switching system : en
  • CA418018A - Lapping carrier : en fr
  • DE744775C - Method and device for the production of flat glass : de en
  • US2339932A - Chemical process : en
  • US2339892A - Machine for building walls : en
  • FR890001A - : fr
  • US2339971A - Xylophone : en
  • US2339978A - Mechanical movement : en
  • US2339903A - Refrigerating apparatus : en
  • CA418037A - Snap fastener : en fr
  • GB558954A - Improvements in or relating to containers for bitumen or bituminous materials : en
  • US2339783A - Sealed universal mounting : en
  • US2340216A - Cutter for dredges : en
  • US2339941A - Chemical process : en
  • US2340084A - Corn harvester : en
  • US2340143A - Compressed gas release : en
  • USD137152S - Design fob a sachet : en
  • US2339834A - Spark arrester silencer : en
  • US2339972A - Cylinder head : en
  • US2339998A - Method and apparatus for recovering chemicals of sulphate paper pulp : en
  • FR890098A - Hand-operated adjustment lever : en fr
  • GB558906A - Improvements in and relating to containers for fragile articles : en
  • FR889941A - Process for obtaining bifunctional organic derivatives of urea : en fr
  • FR889970A - Improvements to sockets such as multiple sockets for vacuum tubes and their component parts : en fr
  • GB558935A - Improvements in and relating to bearing supports for axially movable rods : en
  • FR889980A - Metallization of ceramic or other molded receptacles, to form elements of electric batteries of the leclanché type : en fr
  • GB558955A - Improvements relating to the art of uniting surfaces of wood or like materials and to compositions suitable for use therein : en
  • GB558960A - Improvements in the production of chlorine dioxide : en
  • FR890042A - Reel adaptable to all fishing gear and spearguns for spearfishing : en fr
  • USD137146S - Design for a lady s suit : en
  • USD137141S - Design for a blouse : en
  • FR889987A - Core removing machine : en fr
  • IE16596L - Lubricant compositions : en
  • US2339781A - Sugar dispensing device : en
  • US2340016A - Oil well pump packing box : en
  • USRE22424E - Engine starting device : en
  • FR890108A - Process for separating the liquid it contains from any material and device for carrying out the process : en fr
  • DK61832C - Installation for automatic closing of one or more circuits at predetermined times. : da en
  • FR890034A - Method of improving combustion conditions in internal combustion engines : en fr
  • GB558827A - Improvements in tobacco stemming machines : en
  • GB558926A - Improvements in and relating to treating aluminium and aluminium base alloy surfaces in preparation for applying an adherent coating to them : en
  • GB558875A - Improvements in means for fixing and securing metal plates or brackets to wooden structures : en
  • GB558896A - Improvements in or relating to bristling filaments : en
  • GB558966A - Improvements in and relating to automatic pick and pick filling mixing loom : en
  • DE744290C - Bridge circuit with two-coil package winder : de en
  • US2340086A - Steam generating and superheating installation : en
  • FR889990A - Frame for glasses : en fr
  • FR889917A - Rectilinear vibration mechanics by single unbalance shaft : en fr
  • US2340071A - Antibackfire device for internal combustion engines : en
  • DE744791C - Method for sterilizing canned food in a pressure cooker : de en
  • US2339950A - Cord or padding material : en
  • US2340210A - Milling machine : en
  • US2340059A - Vapor electric device : en
  • GB558910A - Improvements in or relating to centrifugal blowers : en
  • US2339828A - Combined hold-down and tear-off strap : en
  • US2340101A - Flashlight structure : en
  • FR889904A - Improvements made to sockets for bayonet electric lamps : en fr
  • GB558891A - Improvements in and relating to the dyeing of textile fibres containing nitrogen : en
  • FR890051A - Process for the production of zinc-plated iron refrigerants : en fr
  • GB558927A - Improvements in or relating to television : en
  • US2340181A - Fluid turbulizer : en
  • USD137156S - Design fob a coat : en
  • US2340264A - Method for curing tires : en
  • DE744849C - Plasticizers or resins : de en
  • GB558903A - Apparatus for supplying liquids in an atomised or finely divided condition to the injection systems of internal combustion engines : en
  • DE744853C - Permanently plastic compound for use on tape-shaped carriers for corrosion protection purposes or in connection with fibers as a sealing compound : de en
  • FR889916A - Improvements to heat exchangers : en fr
  • DE744709C - Braun tubes for operation with high voltages : de en
  • FR890144A - Process for the production of porous paper and cardboard : en fr
  • GB558883A - Air filter : en
  • DE744820C - Production of iron powder of certain porosity, especially for pressed bodies : de en
  • CA417978A - Photographic tone correction mask : en fr
  • US2339794A - Apparatus for rectifying electric current : en
  • US2339989A - Automatic speed synchronizing mechanism for twin motors : en
  • DE744721C - Pest repellants : de en
  • US2340058A - Incendiary bomb scoop : en
  • GB558848A - Improvements to photo-electric apparatus for determining with precision the position of an object carrying a graduation : en
  • GB558861A - Improvements in or relating to generators of periodically varying electric currents : en
  • CA417916A - Material testing apparatus : en fr
  • US2339842A - Casting copper chromium steel : en
  • US2340135A - Display device fob beer knobs : en
  • FR889952A - Mixed battery for devices to prepare hot water : en fr
  • DK61828C - Ink ribbons, especially for breakthrough bookkeeping. : da en
  • FR890000A - : fr
  • FR890067A - Improvements to pumps, especially those for deep wells : en fr
  • FR890089A - Peeling tower : en fr
  • AU155041A - Improvements in or relating to undercarriage legs for aircraft : en
  • US2339982A - Dust collector : en
  • FR889949A - Manufacture of profiled plastic parts : en fr
  • DE744865C - Method and device for applying adhesive, in particular dry adhesive, to paper, e.g. B. envelopes, bags and. like : de en
  • US2340025A - Pick counter : en
  • FR889996A - Device for the mechanical-chemical regeneration of files, wood rasps, milling cutters, bits and saws : en fr
  • CA417910A - Lighting assembly : en fr
  • GB558975A - Improvements in cooling devices for electron discharge devices : en
  • CA417906A - Windshield wiper motor : en fr
  • FR890064A - Improvements to freewheels and rear hubs for cycles and motorcycles : en fr
  • AU1194043A - Improvements in and connected with glass melting tanks or furnaces : en
  • CA417905A - Submarine destroying means : en fr
  • CA418078A - Film laminating process : en fr
  • GB558837A - Improvements in and relating to machines for cutting power transmission and conveyor belting or the like : en
  • US2340056A - Thermostat : en
  • USRE22425E - Knockdown closet : en
  • GB558908A - Apparatus for building endless flexible bands : en
  • FR890092A - Electric shutter release for photographic camera : en fr
  • DE744714C - Process for the production of drying binders : de en
  • FR889935A - Rubber seal for rotary kiln : en fr
  • US2340014A - Railway car side door : en
  • FR890104A - Process of agglomeration of coal dust and others : en fr
  • GB558900A - Improvements in abrasive wheels : en
  • US2339762A - Cable pull-off mechanism : en
  • US2340249A - Wiring and the like clip device : en
  • DE744887C - Contactor, especially oil contactor for three-phase motors, with switching coil connected to the operating voltage and self-holding contact : de en
  • CA417965A - Photographic gelatin layer : en fr
  • CA417972A - Dye image production : en fr
  • DE744900C - Accumulator lead : de en
  • GB558831A - Improvements in or relating to water heaters, boilers and like apparatus : en
  • US2339890A - Meat tendering machine : en
  • GB558888A - Ha ogen of unsaturated organic compounds : en
  • GB558892A - Improvements in and relating to the treatment of textile fibres to improve or modify the handle, dyeing affinities, and other properties : en
  • US2339815A - Expansion control : en
  • US2340187A - Cushioning device for absorbing shocks : en
  • US2340230A - Carrier for containers : en
  • US2340093A - Arc welding system and method of arc welding : en
  • US2340275A - Method for seismic surveying : en
  • CA417986A - Television recurrent wave delay arrangement : en fr
  • US2340271A - Alkanedione dioximes : en
  • CA418084A - Pressing machine : en fr
  • DE744772C - Process for the preparation of acidic anthraquinone dyes : de en
  • DE744733C - Aircraft shock absorbers : de en
  • US2340194A - Refractory of insulating material : en
  • AU118032B2 - Improvements in or relating to vibratory relays : en
  • USD137140S - Design fob a dress : en
  • DE744824C - Process for the production of synthetic tanning agents : de en
  • AU118019B2 - Improved mechanized apparatus for the cutting and collecting of standing sugar cane : en
  • CA417937A - Phosphate coating production on ferrous metal articles : en fr
  • CA418025A - Electric power cable : en fr
  • US2340171A - Method of making antiskid chains : en
  • US2340090A - Combined package and dispenser : en
  • DE741592C - Weft, knitted or knitted goods as well as methods and devices for their production : de en
  • US2340207A - Coating apparatus : en
  • DE744855C - Bullet speedometer according to Le Boulenge : de en
  • US2339944A - Refrigerating apparatus : en
  • DE740283C - Process for the preparation of an adhesive layer on cellulose triacetate films : de en
  • CA417918A - Article handling apparatus : en fr
  • CA417958A - Photographic material : en fr
  • US2339812A - Absorption refrigeration apparatus : en
  • FR890128A - Sintered iron cores : en fr
  • GB558819A - Improvements in or relating to the cooling of pistons : en
  • GB558944A - Improvements in or relating to hot-cupboards : en
  • CA417946A - Hydraulic propeller : en fr
  • CA418032A - Radio direction finder : en fr
  • US2339797A - Lubricating oil : en
  • US2340137A - Dmromdithiocyanoethane as a : en
  • US2339790A - Harmonica : en
  • DE744871C - Centrifugal pump : de en
  • US2340250A - Rotary stud fastener installation : en
  • DE720386C - Switching arrangement for the optional reproduction of sound recordings in half-wave writing and normal single-point writing : de en
  • CA418077A - Valve for plural chamber safety tire tubes : en fr
  • FR890005A - Ski attachment : en fr
  • US2339870A - Pipette : en
  • DE744910C - Drive for motor vehicles : de en
  • CA418076A - Belt making apparatus : en fr
  • AU118013B2 - Improvements in or relating to electron discharge devices : en
  • US2340151A - Vinyl resin : en
  • CA417921A - Chair : en fr
  • US2339962A - Control means for roll feeds : en
  • DE741824C - Process for performing chemical reactions in a pipe system : de en
  • US2339921A - Antiaircraft projectile : en
  • FR890099A - Improvements to gasifiers : en fr
  • DE744739C - Heater for vehicles or planes : de en
  • US2339891A - Flock adhesive printing apparatus : en
  • DK61844C - Cigar Wrap Making Machine or similar Inserts. : da en
  • DE744842C - X-ray fluoroscopy device : de en
  • FR890006A - Mechanical device for launching war projectiles : en fr
  • DE744901C - Fixed tariff device with control device : de en
  • FR889981A - Crank operated by crank or eccentric plate, for bicycles and vehicles with human traction : en fr
  • FR890009A - Agglomerated cork plywood and soles : en fr
  • FR890045A - Use of ammoniacal solution as fuel and apparatus for this use : en fr
  • US2340022A - Shaft seal : en
  • FR890048A - Porcelain hook (or socket) with several uses : en fr
  • US2340147A - Recording and reproducing apparatus : en
  • CA417985A - Electron discharge tube amplifier : en fr
  • CA418067A - Vacuum tube circuit : en fr
  • US2340075A - Electrical distribution system : en
  • US2339945A - Rubber chloride manufacture : en
  • US2340021A - Production of catalysts : en
  • US2340253A - Searchlight attachment for gun sights : en
  • FR889988A - Method and apparatus for the total recovery of tallow and its fibers by a single operation : en fr
  • US2340019A - Insect swatter : en
  • US2339807A - Cap forming and assembling machine : en
  • AU118022B2 - Device for ejecting a pen nib from its holder : en
  • DE744753C - Device for foam destruction : de en
  • FR890079A - Lubricating oils and their production process : en fr
  • DE744788C - Cooling system for aircraft internal combustion engines : de en
  • US2339749A - Field control for wind driven generators : en
  • US2339888A - Recovery of molybdenum and tungsten from ores : en
  • FR890050A - Fitting for shoe soles, galoshes and the like : en fr
  • DE744902C - Device for measuring changes in length on statically and dynamically loaded components : de en
  • FR890065A - Small multipurpose universal vice : en fr
  • US2339984A - Antiskinning agent : en
  • USD137144S - Design for a domestic water heater : en
  • FR889924A - Improvements to stoves, burners or the like : en fr
  • FR890107A - Addition powder to make insecticides and other treatment products that are not markable on plants : en fr
  • US2339979A - Drying apparatus : en
  • US2339925A - Suspension bridge : en
  • US2340057A - Distribution transformer for banking service : en
  • DE744847C - Heatable bed : de en
  • FR889943A - Propeller hub : en fr
  • FR890038A - Jacket improving convection in externally heated ovens : en fr
  • USD137119S - Cookie jar or similar article : en
  • FR890081A - Improvements to the crank shaft motion transmission system more particularly applicable to pedaling for cycles or the like : en fr
  • FR889942A - Process for the preparation of omega-amino-carboxylic acids of the aliphatic series and their amides : en fr
  • FR890106A - Connecting rod for controlling blades in looms : en fr
  • GB558898A - Improvements relating to synchronising means for vehicle and other machinery clutches : en
  • IS143B6 - Improvements to or in connection with dissolving unprocessed fibrous materials for papermaking and other purposes : en is
  • US2340098A - Contact rectifier : en
  • US2339840A - Method of manufacture of sheet material and apparatus for the production thereof : en
  • USD137123S - Design fob a suit : en
  • DE744771C - Process for the production of Kuepen dyes : de en
  • DE744878C - Process for the manufacture of sulphonation products : de en
  • DE744888C - Process for the production of an electrostatic capacitor wound from two dielectric strips metallized on one side : de en
  • DE744889C - Electrode suitable for secondary field emission : de en
  • AU118023B2 - Improvements in or relating to dispensing beer andthe like from bulk : en
  • CA418070A - Electrical precipitator : en fr
  • DE744844C - Method for obtaining bee venom : de en
  • GB558921A - Improvements relating to photographic films : en
  • US2340248A - Key-arrangement for fixing wooden tool handles : en
  • US2339833A - Television pickup tube : en
  • US2340160A - Private branch exchange telephone system employing phonographs : en
  • DE744870C - Arrangement for influencing the grinding roller pressure in paper pulp countries : de en
  • USD137128S - Design for a bracelet : en
  • FR889993A - Tubular key lock device : en fr
  • FR889958A - Process for manufacturing tablets made from dried milk, cocoa powder or coffee and sugar : en fr
  • FR889997A - All-round coal burner with double heat recovery : en fr
  • GB558838A - Improvements in multi-cylinder, four-stroke, internal-combustion engines : en
  • GB558818A - Improvements in and relating to radio antennas : en
  • FR890008A - Aluminum bar welding process : en fr
  • US2340215A - Bottle brush spindle : en
  • FR889918A - Access device in aerodynamically shaped vehicles : en fr
  • DE744914C - Device for controlling and pivoting guns, cranes or the like. : de en
  • DE744787C - Cooler composed of interchangeable individual blocks : de en
  • FR890017A - Gaiter : en fr
  • US2339936A - Vegetable peeler container : en
  • US2340030A - Weighing conveyer : en
  • US2340262A - Casting machine : en
  • FR890027A - Pneumatic pump : en fr
  • FR890133A - : fr
  • USD137142S - Design fob a blouse : en
  • US2340092A - Latching means for electromagnetic devices : en
  • AU776042A - Improvements in or relating to dispensing beer andthe like from bulk : en
  • CA417982A - Photographic tone correction mask : en fr
  • DE744877C - Process for the preparation of acetone cyanohydrin : de en
  • CA418044A - Bag bottoming apparatus : en fr
  • DE744885C - Circuit to avoid coupling in carrier wave telephony or telegraphy : de en
  • DE744903C - Hardness checker : de en
  • US2340008A - Flowmeter for hydrofluoric acid : en
  • DE744717C - Device for conveying block forms : de en
  • CA418033A - Radio photograph touching up means : en fr
  • DE744731C - Drive for planes : de en
  • CA418023A - Rot-proofing process for textiles, etc. : en fr
  • DK61826C - Procedure for the manufacture of fuel briquettes of less valuable fuel, such as wood shavings or peat. : da en
  • FR890096A - Refinements to sheet fed rotary printing machines : en fr
  • FR890072A - Microphone : en fr
  • US2339756A - Sheet feeding method and gauging mechanism therefor : en
  • DE744702C - Small self switch : de en
  • DE744898C - Liquid heater : de en
  • GB558854A - Improvements in or relating to hard wax substitutes : en
  • CA417936A - Electromagnetic clutch : en fr
  • FR889959A - Process for the extraction of fats and for obtaining substances from the cells of fattened microorganisms : en fr
  • GB558873A - Improvements in and relating to silver solder alloys : en
  • US2339800A - Hydraulic work holder : en
  • CA418009A - Tire : en fr
  • CA417954A - Electric discharge lamp circuit : en fr
  • DK61835C - Procedure for the manufacture of foam glass articles. : da en
  • DE744908C - Dome-shaped command post for aircraft : de en
  • US2340046A - Condensation product and process of making the same : en
  • US2340055A - Protective device : en
  • DE744905C - Adjustable swash plate gear : de en
  • AU542342A - Improvements in or relating tothe connection of metal elements : en
  • AU504242A - Improved mechanized apparatus for the cutting and collecting of standing sugar cane : en
  • GB558940A - Improvements in and relating to indicator cards used in filing systems and the like : en
  • FR890046A - New application in the construction of isothermal or other apparatus and utensils, and new means in their use : en fr
  • US2339858A - Arc suppressing means : en
  • FR890002A - : fr
  • US2339835A - Letter stripping means : en
  • US2340032A - Automatic jack rafter bevel square : en
  • DE744895C - Method and apparatus for manufacturing small glass bodies : de en
  • FR889974A - Wooden shoe sole digging machine : en fr
  • US2340065A - Telegraph system : en
  • DE744718C - Process for the heat treatment of hardenable aluminum alloys, which at the same time have a high degree of hardness and the dimensional and dimensional stability required for sliding parts at higher operating temperatures : de en
  • DE744805C - Process for the electrostatic separation of batches : de en
  • US2340116A - Package for puttylike materials : en
  • US2339948A - Lawn mower attachment : en
  • US2340155A - Booster wind for spring motors : en
  • US2340236A - Worktable for metal perforating machines : en
  • US2339872A - Remote control system : en
  • AU118021B2 - Improvements in and connected with glass melting tanks or furnaces : en
  • CA417911A - Garbage can holder : en fr
  • DE744724C - Hobbing cutter with teeth back-worked in the direction of the cutter surface line : de en
  • DE744781C - Missile flight timer : de en
  • FR889969A - Carabiner holder : en fr
  • DE744715C - Compressor with pre-inlet openings for the conveyor cells : de en
  • DE744750C - Towing device for rolling mills : de en
  • DE744818C - Process for the production of aluminum oxide from clay : de en
  • GB558914A - Improvements in or relating to electric motors : en
  • FR889913A - Synthetic loop pile manufacturing process using the viscose process : en fr
  • US2340006A - Airplane fire extinguishing apparatus and method : en
  • US2340229A - Container : en
  • GB558961A - Improvements in electric eddy current brakes, dynamometers and clutches : en
  • FR890026A - Improvements made to fuel agglomerates and their production processes : en fr
  • FR890047A - Advanced aneroid thermostat : en fr
  • US2340068A - Catheter : en
  • US2340174A - Automatic steering system : en
  • DE740402C - Marked box with corner protection strips : de en
  • FR889972A - Carbonization furnace : en fr
  • FR890114A - Improvements to the switchgear and control units of electric motors : en fr
  • CA418026A - Grinding machine : en fr
  • GB558817A - Improvements in or relating to pressure gauges : en
  • FR890054A - Hydraulic grid : en fr
  • FR890125A - Spirometer : en fr
  • US2340128A - Lime treatment of sugar liquors : en
  • GB558953A - Improvements in or relating to electrical remote control devices : en
  • CA417968A - Photographic colour correction process : en fr
  • CA418003A - Volatile liquid pumping apparatus : en fr
  • FR889938A - Air conditioning installation : en fr
  • CA417988A - Refrigeration apparatus : en fr
  • FR890149A - Automatic control device for talking machines : en fr
  • DE744314C - Two-part sliding sash double window in height : de en
  • FR890110A - New game : en fr
  • FR889936A - Process for improving polymerized and / or oxidized drying oils : en fr
  • DE744682C - Process and device for the uninterrupted fermentation of low-sugar fermentation fluids on alcohol : de en
  • US2340237A - Control mechanism for airplanes : en
  • CA417932A - Garbage disposer : en fr
  • CA418053A - Gas valve : en fr
  • CA417959A - Photographic printing material : en fr
  • CA418029A - Bottle capping machine : en fr
  • CA418047A - Material loading apparatus : en fr
  • DE740702C - Threshing machine with several threshing devices arranged one behind the other : de en
  • US2340123A - Process of making cold molding compositions : en
  • US2339813A - Absorption refrigerator : en
  • CA418039A - Isobutane production : en fr
  • US2339904A - Range indicator : en
  • GB558874A - Improvements in or relating to propellers : en
  • CA418064A - Electric cable : en fr
  • US2340069A - Clothing for use in fabric brushing machines : en
  • US2339954A - Bowling ball : en
  • CA418030A - Vertical door centre post : en fr
  • CA418034A - Frequency modulation apparatus : en fr
  • CA417934A - Bathing cap : en fr
  • CA418081A - Fibre insulating blanket : en fr
  • US2340276A - Buttonhole sewing machine : en
  • CA418011A - Inking mechanism for printing machines : en fr
  • CA418065A - Terminal bank : en fr
  • DE744907C - Shelter ventilator : de en
  • SE108987C1 - : en
  • CA417975A - Dye image production : en fr
  • CA418063A - Electron discharge apparatus : en fr
  • DE744851C - Use of acylated ricinoleic acid esters as plasticizers for polyvinyl halides : de en
  • AU800643A - Stereoscopic projection system : en
  • CA417981A - Photographic tone correction mask : en fr
  • FR890013A - Quick stapling device for belts : en fr
  • US2340088A - Measuring instrument : en
  • US2339923A - Water feeding device for cement mixers : en
  • US2340107A - Composition containing a pyrimidyl halogeno cyanoalkyl sulphide : en
  • US2340172A - Doll and method of making same : en
  • USD137124S - Design for a suit : en
  • GB558895A - Improvements in or relating to boots and shoes : en
  • FR889955A - Process for the preparation of solid compounds of pyridine-beta-carboxylic acid diethylamide : en fr
  • GB558963A - Improvements in or relating to the stretching of filaments or threads : en
  • FR889983A - Use of raw or oxidized copper ores in underwater paints : en fr
  • GB558909A - Improvements in detachable or collapsible building constructions : en
  • DE744912C - Fireproof cabinet for valuables, files, books, etc. like : de en
  • DE744873C - Folding drop side pivot bearing for three-way tipper : de en
  • FR890024A - Stitching combination for all uses and especially as a belt loop : en fr
  • US2339779A - Liquid cooled, multiringed turbine rotor : en
  • FR890016A - Cross wire winder for the production of tapered spools with tapered edges : en fr
  • AU118029B2 - Improvements in or relating tothe connection of metal elements : en
  • FR890093A - Improvements to valves for high pressure fluids and others : en fr
  • FR889925A - Improvements made to electrical pipes : en fr
  • FR890036A - Method and device for accumulating heat : en fr
  • GB558825A - Improvements in suction gas producers : en
  • GB558922A - Improvements in or relating to the refining of vitamin-containing oils and concentrates : en
  • US2339975A - Method of making glass articles : en
  • DE744716C - Melting furnace for press casting machines : de en
  • FR890088A - Mechanical energy recovery device from exhaust gases : en fr
  • FR890086A - Electrical contact device for connection to overhead lines : en fr
  • DE744778C - Process for protecting gold chloride solutions used in gas burst devices against freezing : de en
  • IE16570L - Amidine salts : en
  • DK61842C - Body with reduced air resistance for high-speed motor vehicles. : da en
  • DE744880C - Device for automatic regulation of the fresh water quantity fed into a forced circulation steam generator with a water ring circulation pump which serves to separate the water from the steam-water mixture : de en
  • DE744730C - Relief device for pump valves : de en
  • DE744817C - Process for the production of sodium carbonate from Glauber's salt : de en
  • FR889977A - Door closing system for cart by steel cable sliding in the upper frame : en fr
  • DE744826C - Process for accelerating the bottle circulation in acetylene delivery plants : de en
  • US2339877A - Undercarriage for rotative wing aircraft : en
  • US2340117A - Two-way band switch : en
  • US2340254A - Method of electrolysis : en
  • US2340141A - Visual exposure meter : en
  • DE744800C - Double wiper system, especially for the windshields of motor vehicles : de en
  • FR889962A - Steam-coal engine for motor vehicle : en fr
  • GB558979A - Improvements in and relating to guards for combing machines for combing textile fibres : en
  • FR889901A - Attachment device for two-wheel tractors : en fr
  • AU118015B2 - Improvements in grinders : en
  • IE17355L - Vinyl interpolymers; coating compositions : en
  • US2340235A - Process of roasting coffee : en
  • FR890070A - Lubricant for internal combustion engines and its preparation process : en fr
  • US2339760A - Non-pipe-mashing wrench : en
  • CA418008A - Battery terminal : en fr
  • FR890083A - Process for recovering cellulosic compounds in alkaline lye : en fr
  • US2340000A - Vaporizing burner for petroleum, methylated spirits, or the like : en
  • US2340035A - Soluble oil : en
  • FR889964A - Acetylene generator : en fr
  • US2339865A - Decorative means and method of applying : en
  • FR889956A - Horseshoe gauge with rollers, comprising support rollers, for determining the ovality of the threads : en fr
  • FR889994A - Centrifugal force dust separator, especially for internal combustion engines : en fr
  • FR890020A - Apparatus allowing the exact placement on a canvas or sheet of paper of objects reproduced from nature : en fr
  • GB558840A - Improvements in stationery feed mechanism for typewriting and like machines : en
  • FR889915A - Process for mechanical fixing, implantation and arrangement on all supports liable to be crossed by a needle and products resulting from its application : en fr
  • GB558849A - Method and apparatus for executing hydrocarbon reactions with the aid of regenerative contact materials : en
  • US2340039A - Brush-holder bracket : en
  • US2340180A - Rapping device : en
  • FR889998A - Control device for gas generators operating in parallel : en fr
  • DE744825C - Process for the production of fertilizers : de en
  • DE744801C - Bridge circuit for remote transmission of measured values : de en
  • FR890022A - Advanced training in filing and transport receptacles, in particular travel bags and ladies' bags : en fr
  • FR890055A - Water filter device, with prior gas expansion, applicable to all gasifiers : en fr
  • FR889931A - Device for stopping the spinning of stockings stitches or the like : en fr
  • DE744745C - Process for preventing the stringing of baked goods made without acidifying agents, in particular yeast baked goods : de en
  • DE744746C - Process for improving baking flours with yeast enzymes : de en
  • FR889934A - Montage intended for the restitution of photo-phonic recordings on double track, in particular photo-phonic recordings in opposition : en fr
  • CA417998A - Electric stove : en fr
  • US2340064A - Internal combustion engine with telescoping pistons : en
  • US2339759A - Hose clamp : en
  • US2339882A - Catalytic treating apparatus : en
  • CA417957A - Dyed photographic emulsion : en fr
  • US2339806A - Surface treatment of aluminum and aluminum alloys : en
  • US2340111A - Process for removing cations from liquid media : en
  • US2339951A - Color photography : en
  • CA417947A - Fuel injection apparatus : en fr
  • US2339875A - Refining mineral oils : en
  • DE744689C - Process for the production of moldings suitable for cyanidation processes : de en
  • DE744763C - Arrangement for tone control in radio receivers : de en
  • DE744850C - Process for the production of multilayer material : de en
  • CA417928A - Strain gauge : en fr
  • GR10212B - METHOD OF PREPARATION OF STABLE SOLUTIONS OF COLLOID SULFUR. : el en
  • US2340066A - Riveting gun : en
  • US2340108A - Synthetic rubberlike composition : en
  • DE744856C - Diesel oil : de en
  • US2339885A - Dialyzing diaphragm : en
  • US2339905A - Weeding implement : en
  • US2340037A - Capsule : en
  • US2340242A - Fabric centering device : en
  • US2340150A - Fault-testing articles of electrically conductive material : en
  • GB558821A - Feed water regulating apparatus for boilers : en
  • CA418017A - Screw machine feed : en fr
  • US2340274A - Fixture : en
  • DE740802C - Process for lamination of foils made of polyamides : de en
  • GB558967A - Improvements in and relating to pick and pick looms : en
  • US2339898A - Lubricant : en
  • US2339816A - Refrigerator : en
  • USD137136S - Design for a venetian blind : en
  • US2339937A - Cigarette case : en
  • DE744906C - Gate valve with two slide plates for hot gases or the like. : de en
  • FR889960A - Reflective signs, letters or similar signs : en fr
  • US2340045A - Condensation product and process of making the same : en
  • DE744533C - Device for pressing the cores and cores of machine tools, in particular turning jaws : de en
  • GB558835A - Improvements in and relating to dynamo-electric machines : en
  • FR890141A - Process for increasing the use value of natural or synthetic fibers and silks or of yarns and fabrics made from these materials : en fr
  • FR890023A - Tool development : en fr
  • GB558846A - Arrangement for the automatic regulation of the compensation condition of a network by influencing the inductance of at ieast one arc extinction coil : en
  • US2340110A - Process for removing cations from liquid media : en
  • US2339894A - Catalytic conversion process and apparatus : en
  • US2339913A - Cellulose treatment process : en
  • US2339914A - Chemical compound : en
  • USD137143S - Design foe a domestic water heater : en
  • US2339786A - Refining of lubricating oils : en
  • US2339808A - Process of treating ferrotitaniferous materials : en
  • USD137157S - Design for a jacket : en
  • CA417969A - Camera view finder : en fr
  • CA417939A - Abrasive article : en fr
  • US2340040A - Bias-cut fabric assembly for tire manufacture : en
  • US2339862A - Apparatus for and method of distillation : en
  • DK61836C - Detachable mourning band for coat storage. : da en
  • DE744765C - Protective device for electrical system parts : de en
  • US2339843A - Beef scribe saw : en
  • US2340102A - Preservation of biologically active and other substances : en
  • US2339970A - Line blind assembly : en
  • US2339983A - Decoy : en
  • US2339868A - Still of the thermogenerator type : en
  • US2340247A - Synthetic lubricant : en
  • CA417908A - Game board : en fr
  • US2339767A - Liquid applicator : en
  • AU354641A - Improvements in or relating to electron discharge devices : en
  • CA418066A - Electron discharge apparatus : en fr
  • DE744831C - Stereophonic transmission with dynamic control : de en
  • CA417967A - Photographic emulsion colour stain prevention : en fr
  • CA417903A - Container for liquids, etc. : en fr
  • US2339928A - Method of treating glass fibers and article made thereby : en
  • US2339974A - Method of cooking food : en
  • AU118026B2 - Improvements in and connected with glass melting tanks or furnaces : en
  • US2340050A - Circuit interrupter : en
  • US2340280A - Nonlivering coating composition : en
  • US2340277A - Spring testing device : en
  • US2339785A - Printing telegraph apparatus : en
  • DE744890C - Process for breaking down raw oils, raw tars or their fractions : de en
  • US2339887A - Sewing machine : en
  • FR889978A - Washable slates for schoolchildren : en fr
  • FR890091A - Use of roasting for fresh, dehydrated and dried vegetables : en fr
  • FR890015A - Automatic gas valve : en fr
  • GB558915A - Improvements relating to dish washing and like machines : en
  • US2340013A - Method of making high silica glass : en
  • USD137132S - Design fob a spectacle frame : en
  • US2339976A - Controller for variable speed drives : en
  • US2340074A - Compressor : en
  • DE744729C - Process for producing color and tonal correct color extracts, especially for the purposes of graphic color printing : de en
  • CA417964A - Coloured photographic mask : en fr
  • CA417920A - Lighting system : en fr
  • US2339968A - Luggage bag : en
  • DE744784C - Pressurized fluid drive, especially for valves and fuel pumps on internal combustion engines : de en
  • USD137139S - Design fob a dress : en
  • GB558880A - Improvements in aircraft towing arrangements : en
  • US2339831A - Shaving device : en
  • US2340195A - Airplane construction : en
  • US2340223A - Nasal filter : en
  • DE744678C - Process for the production of yeast and yeast-like fungi : de en
  • US2339857A - Noise limiter : en
  • US2340018A - Honing tool : en
  • US2340049A - Cam for knitting machines : en
  • US2339799A - Hydraulic work holder : en
  • US2339889A - Refining of mineral oils : en
  • FR889903A - Security system to prevent and report vehicle theft : en fr
  • US2340100A - Road grader : en
  • US2339795A - Welding apparatus : en
  • US2339852A - Register setting device : en
  • US2339931A - Process of preparing rennin compositions : en
  • US2339965A - Track sander for locomotives : en
  • US2340077A - Electric discharge apparatus : en
  • US2340191A - Tire vulcanizing press and method of stripping tires from molds : en
  • CA417993A - Hydroxyalkyl cellulose ester production : en fr
  • US2340112A - Derivatives of blown fatty amides : en
  • GB558951A - Improvements in or relating to coupling means for electric cables : en
  • US2340258A - Tire : en
  • US2339830A - Tractor plow : en
  • DE744833C - Circuit device to prevent harmful influences from line back discharges : de en
  • AU118018B2 - Improvements in connexion with theatre canvas chairs : en
  • CA418060A - Electrical contact : en fr
  • CA417949A - Electrical apparatus : en fr
  • US2339985A - Engine construction : en
  • US2339991A - Viscosity measuring apparatus : en
  • US2339829A - Power operator : en
  • CA418027A - Grinding machine apparatus : en fr
  • US2339848A - Explosion engine : en
  • US2339922A - Fluid level indicator for pressure boilers : en
  • US2339924A - Cigarette dispensing package : en
  • US2339930A - Folding table : en
  • DE744758C - Process for the preparation of N- (oxaethyl) -aminooxybenzenes and their core substitution products : de en
  • US2339821A - Manufacture of wrought iron : en
  • US2340003A - Building column : en
  • DE744636C - Oven for sauna leather : de en
  • DE744785C - Fuel injection pump for internal combustion engines working with pre-injection : de en
  • GB558850A - Improvements in or relating to methods of and apparatus for loading and unloading wheeled vehicles : en
  • GB558924A - Improvements in self-locking nuts : en
  • US2340219A - Beehive : en
  • US2340267A - Apparatus for supplying web material : en
  • CA417979A - Colour photography : en fr
  • CA418000A - Diamond studded tool casting apparatus : en fr
  • AU725242A - Improvements in grinders : en
  • DE744857C - Cooler exposed to atmospheric air : de en
  • US2340115A - Fountain mop : en
  • US2340214A - Apparatus for treating sheer stockings with liquid material : en
  • US2339780A - Automatic focusing device for cameras : en
  • US2339803A - Recording and auditing system : en
  • US2339798A - Lubricating oil composition : en
  • US2339926A - Roll film holder : en
  • CA418071A - Electrical precipitation apparatus : en fr
  • US2340002A - Electrical musical instrument : en
  • US2340185A - Hair drier : en
  • DK61845C - Procedure for Reducing the Addition of Mixing Water to Mortar and Concrete. : da en
  • US2339949A - Piston and packing : en
  • US2340166A - Booster pump entry vane construction : en
  • CA417941A - Ironer roll covering unit : en fr
  • US2340170A - Vacuum drying food products : en
  • CA417987A - Refrigeration apparatus : en fr
  • CA417909A - Universal coupling : en fr
  • CA417953A - Electric discharge lamp circuit : en fr
  • AU807543A - Improvements in connexion with theatre canvas chairs : en
  • CA418085A - Alcohol oxidation : en fr
  • CA417955A - Amplifier resistance network : en fr
  • DE744713C - Process for the production of saponified pastes from oxidation products of synthetic paraffins and ceresins : de en
  • DK61829C - Coal plant built into the domestic water pipeline in Huse. : da en
  • DE744734C - Telescopic tube-like adjustment strut, especially for aircraft : de en
  • DE744767C - Mirror arrangement for locating and tracking aircraft : de en
  • DE744798C - Sand spreaders for motor vehicles : de en
  • CA417925A - Window sash fastener : en fr
  • CA418002A - Welding means : en fr
  • DE744706C - Monitoring device for oil transformers : de en
  • US2340089A - Combined package and dispenser : en
  • US2340129A - Loose-leaf binder device : en
  • US2339958A - Composition of matter containing polyethylene and polyisobutylene : en
  • CA418073A - Composite electrode : en fr
  • CA418006A - Steam temperature regulating apparatus : en fr
  • CA417976A - Photographic colour correction mask : en fr
  • CA417999A - Implement hitch device : en fr
  • USD137153S - Design for a brooch pin : en
  • US2340199A - Feed control for planers and the like : en
  • US2339909A - Paperhanger's table and straightedge : en
  • GB558901A - Improvements in or relating to apparatus for recording variations in movement of a part of a mechanism : en
  • FR889902A - Articulated hook : en fr
  • USD137147S - Design for a lady s suit : en
  • US2340220A - Valve : en
  • GB558893A - Improvements in or relating to hard wax substitutes : en
  • GB558812A - Improvements in or relating to snow ploughs : en
  • CA418010A - Taeniacide : en fr
  • DE744768C - Process for the vapor deposition of metals on several photo and / or secondary emission electrodes to be treated differently located in the same vessel and arrangement for its implementation : de en
  • DE744704C - Multiple spark gap : de en
  • US2339832A - Drinking glass washer conveyer : en
  • FR890003A - : fr
  • FR889911A - Improvements to gear trains and timepieces of counters and similar devices : en fr
  • FR889923A - Process and material for the manufacture of reinforced concrete poles : en fr
  • GB558860A - Improvements relating to adjustable instruments having a rotor and a stator : en
  • FR889968A - Carabiner : en fr
  • FR889957A - Manufacturing process for white or light-colored products with a strong bactericidal action : en fr
  • FR890117A - Improvements to ovens and dryers : en fr
  • FR890109A - Improvements to wooden or similar soles for shoes : en fr
  • GB558887A - Improvements in or relating to the manufacture of ª¤-aminothiophenol (or its alkali metal salts) : en
  • FR890041A - Coal gasifier : en fr
  • US2340140A - Hammer : en
  • FR890121A - Improvement in friction transmissions particularly applicable to mopeds : en fr
  • GB558943A - Improvements in or relating to electric transformers : en
  • FR890142A - Drum cap retainer : en fr
  • US2339961A - Grinder : en
  • US2339934A - Stabilized diazo guanidine compound : en
  • GB558832A - Improvements relating to discharge valves of metal melting and metal holding furnaces : en
  • DE744185C - Process for carrying out the carbohydrate hydrogenation via contacts suspended in a liquid medium : de en
  • US2339860A - Fountain pen : en
  • FR890097A - Valve opening mode and its applications : en fr
  • GB558941A - Mine detector with acoustic and optical indication : en
  • GB558814A - Improvements in and relating to control systems for electric welding and other circuits : en
  • GB558959A - Improvements in or relating to bins for housing stores articles : en
  • US2340227A - Fluorescent glow sheet and the method of manufacturing the same : en
  • US2339770A - Synthetic condensation product : en
  • US2339959A - Shell drawing press : en
  • US2340099A - Thermal switch : en
  • FR890094A - Nozzle for bicycle and bicycle-motor pump fittings : en fr
  • US2339902A - X-ray apparatus : en
  • US2340132A - Liquid clarification : en
  • CA418059A - Multi-conductor cable : en fr
  • US2339955A - Aircraft control : en
  • GB558833A - Improvements in or relating to apparatus for measuring the phase angle between two alternating waves : en
  • DE744816C - Catalytic oxidation of ammonia : de en
  • US2339900A - Loading attachment for trucks : en
  • US2339910A - Accelerator indicator : en
  • FR890060A - Preparation of a combustible gas : en fr
  • USD137116S - Washing -machine or similar article : en
  • DE744893C - Elastic plaster bandage : de en
  • FR890039A - Continuously variable speed change for the control of boiler hearth grates : en fr
  • DE744711C - Circuit for generating saw tooth-like vibrations in which the saw tooth rise is graded in such a way that it contains an area of lesser steepness : de en
  • US2340263A - Wall construction : en
  • DE744828C - Writing system for dot writers : de en
  • GB558872A - Improvements in or relating to solid fuels : en
  • US2339966A - Internal gear pump : en
  • US2340038A - Roofing and shingle therefor : en
  • US2340104A - Process fob making mixtures of : en
  • GB558938A - Improvements in men's underwear : en
  • GB558856A - Wire holding device : en
  • DE744836C - Arrangement for limiting the adjustment angle for adjustment objects driven by an electric motor : de en
  • US2339871A - Clamping device : en
  • DE744834C - Pressure medium drive for electrical high-voltage switches : de en
  • FR890118A - Device for gradual energizing and voltage adjustment of alternating current installations : en fr
  • US2340240A - Potato and bean planter : en
  • US2339793A - Method of treating ferruginous minerals containing other metal constituents : en
  • FR890018A - Synchronized punching pliers : en fr
  • DE744790C - Lead solder, preferably for zinc and zinc alloys : de en
  • GB558917A - Improvements in or relating to optical projection apparatus : en
  • US2339817A - Absorption refrigerator : en
  • US2339853A - Paving composition : en
  • US2340031A - Tamping roller : en
  • FR890052A - Advanced rifle for spearfishing : en fr
  • GB558957A - Improved method of and apparatus for dividing a stream of liquid into two portions : en
  • GB558889A - An improved process for preparing biological nutrients or feedingstuffs from scleroproteins, keratin proteins, cellulose, cellulose derivatives, and products containing same in admixture such as rags, and the like : en
  • US2340168A - Treatment of creosote : en
  • US2339995A - Conversion of hydrocarbons : en
  • US2340173A - Wall protector : en
  • USD137150S - Drafting radius template : en
  • DE744777C - Process for the production of adhesives : de en
  • DE744840C - Process for the production of resins from acid resins : de en
  • FR890124A - Remote control device of a radio receiver : en fr
  • CA418001A - Glassware lehr : en fr
  • USD137155S - Design fob a descent retarder : en
  • GB558857A - Improvements in hydraulic transmission mechanism : en
  • GB558933A - Improvements in impulse phase measuring systems : en
  • GB558905A - Improvements in shuttle guards for looms for weaving : en
  • GB558942A - A fixture for securing water and gas pipes to walls with a space between pipes and wall : en
  • GB558945A - Improvements in and relating to snap fasteners for securing moulding and like strips : en
  • GB558811A - An improved manufacture of olefin polymers : en
  • DE744182C - Process for smoldering rocks containing oil and bitumen : de en
  • FR889927A - Device to instantly pin the nuts and make them unbreakable : en fr
  • AU118027B2 - Improvements in or relating to undercarriage legs for aircraft : en
  • FR889946A - Gasket for explosion-proof electrical switch shafts : en fr
  • US2339977A - Underclearer roll : en
  • US2339963A - Knitted fabric and method : en
  • US2340139A - Indicating climbing device : en
  • FR890080A - Handle, handle or similar fixing system on hollow tube : en fr
  • GB558931A - Improved means for producing low frequency pulsating current from an alternating current supply : en
  • AU770242A - Device for ejecting a pen nib from its holder : en
  • GB558913A - Fish filleting and skinning machine : en
  • US2339901A - Hose reel : en
  • USD137133S - Badge or similar article : en
  • CA418016A - Magnetic core rustproofing means : en fr
  • US2340134A - Tractor : en
  • US2340144A - Pressure actuated tube valve : en
  • GB558829A - Improvements in or relating to illuminating flares : en
  • US2340204A - Moistening device : en
  • CA417989A - Propeller shaft thrust and torque measuring device : en fr
  • GB558866A - Improvements in and relating to nozzles for the discharge of fluids : en
  • DE744862C - Process for the production of a chocolate that remains solid at elevated outside temperatures, in particular at dry temperatures : de en
  • US2339969A - Transmission synchronizer : en
  • US2339952A - Surface coating apparatus : en
  • US2339849A - Treatment of paraffin hydrocarbons : en
  • US2340085A - Glass covered igniter : en
  • US2340043A - Resinous ester : en
  • US2339956A - Compensated displacement meter : en
  • US2339769A - Synthetic condensation product : en
  • CA418087A - Textile material manufacture : en fr
  • CA417913A - Bag closure and sealing means : en fr
  • US2339845A - Hold-down device : en
  • US2340109A - Copolymer of divinyl benzene polymers and unsaturated alkyd resins : en
  • DE744861C - Process to increase the corrosion resistance of zinc coatings : de en
  • DE744879C - Process for the production of pure toluene from an enriched toluene fraction : de en
  • US2340192A - Dressing mechanism : en
  • CA417926A - Relieving tool device : en fr
  • FR890148A - Lighting device for strobe applications : en fr
  • GB558911A - Improvements in and relating to teapots and similar pouring vessels and to the manufacture thereof : en
  • US2340138A - Heat exchanger : en
  • US2339940A - Movable truck jack : en
  • CA417973A - Photographic screen and safelight : en fr
  • CA418028A - Vehicle stabilizer rod : en fr
  • US2340073A - Lubricating oil : en
  • US2340122A - Magnet suspension : en
  • US2340177A - Manufacture of cellulose ethers : en
  • CA418040A - Rotary kiln thrust mechanism : en fr
  • CA417995A - Abrasive article : en fr
  • US2339869A - Ammunition box for machine guns : en
  • AU812943A - Self-locking nut : en
  • US2340083A - Spot welder : en
  • CA418007A - Empty carton rejector : en fr
  • DE744722C - Diesel oil : de en
  • CA417902A - Welding electrode : en fr
  • CA418055A - Accounting and filing system : en fr
  • FR890014A - plate heat exchanger : en fr
  • DE744832C - Arrangement for generating sound delays and reverberation : de en
  • GB558864A - Improvements in suspenders for wearing apparel and clips therefor : en
  • US2339761A - Cable pull-off mechanism : en
  • US2339864A - Dividing head : en
  • FR889922A - Rotary pump with sealing device : en fr
  • AU802043A - Improvements in or relating to vibratory relays : en
  • DE744769C - Process for the preparation of azo dye salts : de en
  • CA417907A - X-ray apparatus : en fr
  • US2340259A - Curing polyvinyl butyral : en
  • CA417956A - High frequency communication system : en fr
  • FR889992A - Reinforced wooden floor for large spans and heavy loads : en fr
  • GB558847A - Improvements in and relating to cinematograph cameras : en
  • CA418004A - Sponge rubber goods manufacture : en fr
  • CA418072A - Electrical precipitator : en fr
  • GB558867A - Improvements in methods of coating substances on surfaces : en
  • US2340272A - Apparatus for recording seismic waves : en
  • US2340159A - Automatic volume control for telephone recording apparatuses : en
  • US2340183A - Eye for wire cables : en
  • US2340023A - Globe : en
  • DE744780C - Device for determining the speed of fast moving objects, in particular aircraft, by photographic means : de en
  • CA417938A - Glass composition and product : en fr
  • CA417991A - Vinyl resin coating : en fr
  • DE744776C - Belt winder for tension belts of shutters, curtains or the like. : de en
  • GR10213B - METHOD OF PREPARATION OF HARDENED IN ORGANIC SOLVENTS METHODS OF SOLUTION PRODUCTS REACTION PRODUCTS OF AMINOTRIADYRIDINE-CONDENSED PRODUCTS. : el en
  • FR890063A - Production of activated gases and their use : en fr
  • CA418057A - Machine tool : en fr
  • FR890139A - Charcoal manifold with metal anchored interior trim : en fr
  • DE744827C - Speed brake for conveyor wagons : de en
  • CA417983A - Colour photography : en fr
  • FR889906A - Log timber unloading device : en fr
  • FR889971A - Chipboard Making Machine : en fr
  • FR890082A - New power transmission system with polyphase currents : en fr
  • GB558834A - Improvements in and relating to the electrical perforation of sheet material : en
  • US2340082A - Metal-clad switchgear : en
  • DE744752C - Trimming device for paper or the like. : de en
  • GB558934A - Temporary service bolt : en
  • FR889939A - Device for starting up deep electrode salt bath ovens : en fr
  • FR890073A - Process for treating woody fibers with a view to their transformation into yarn : en fr
  • GB558820A - Improvements in or relating to the treatment of edible fatty oils and fats more particularly those containing fat-soluble vitamins : en
  • FR889926A - Automatic distress manipulator for navigation : en fr
  • FR890059A - Elastic and removable cycle frame allowing the use of non-rubberized wheels : en fr
  • GR10214B - METHOD FOR THE PREPARATION OF SOLVENTS IN WATER SALT OF 4 - ALKYNOVENZOLOSULPHONYLAMINOMETHANOSULPHONIC ACID. : el en
  • GR10216B - AIRCRAFT REMOTE CONTROL. : el en
  • FR890084A - Improvements to rotary machines, such as pumps, motors and compressors : en fr
  • DE744741C - Air pump : de en
  • US2340079A - Control system : en
  • US2339964A - Submerged resistor induction furnace : en
  • US2340145A - Process of preserving fruit : en
  • FR890058A - Peat extraction and treatment process : en fr
  • DE744793C - Device for treating grain with chemical fluids : de en
  • DE744897C - United driving and safety brake for conveyor machines : de en
  • DE744766C - Inductor body for electrical machines : de en
  • GB558859A - Improvements in and connected with internal combustion engines and rotary valves therefor : en
  • FR890033A - General method of microdosing liquids making it possible in particular to perform the metering and injection of liquid fuels in combustion engines with precision : en fr
  • GR10215B - HUMAN FLIGHT DEVICE. : el en
  • FR889912A - New water-emulsified inks for intaglio printing : en fr
  • GB558822A - Machine for stuffing soft dolls and similar soft toys : en
  • US2340063A - Feeding of poultry : en
  • GB558962A - Improvements in or relating to electron discharge devices : en
  • US2339863A - Cathode ray scanning apparatus : en
  • US2339792A - Apparatus for producing molded plastic articles : en
  • US2339884A - Material working apparatus : en
  • FR890103A - Locking system for folding legs of tables, camp beds or other : en fr
  • FR889976A - Method and device for the decomposition of a function value given by an electrical quantity into partial quantities of its argument : en fr
  • US2340211A - Machine for applying plastic bands : en
  • DK61831C - Electrical Cable with Sheath and Reinforcement. : da en
  • FR890145A - Triple-layer cliché or stencil for reproduction : en fr
  • GB558843A - Improvements in or relating to creep-preventing devices for the permanent way of railways and the like : en
  • GB558886A - Improvements in and relating to electric motor control systems : en
  • GB558871A - Improvements in or relating to apparatus for loading and unloading wheeled vehicles : en
  • FR890053A - Locking system for adjustable dental lathe contra-angle head : en fr
  • GB558826A - Improvements in or relating to radio receivers : en
  • DK61838C - Procedure for Making Multicolor Images. : da en
  • FR890074A - Gasifier for wood and similar fuels : en fr
  • FR890069A - Automatic inserter or selvedge guide for textile machines : en fr
  • FR889921A - Hydraulic pump or other constant power : en fr
  • DE744809C - Device for impregnating veins with internal overpressure : de en
  • CA418074A - Electrode manufacture : en fr
  • US2340009A - Press : en
  • US2340119A - Quick disconnect coupling : en
  • CA418086A - Alcohol oxidation : en fr
  • CA418013A - Valve : en fr
  • CA418058A - Electron discharge apparatus : en fr
  • US2339752A - Piano pin block : en
  • US2340047A - Flare gun : en
  • US2340208A - Casket and method of making same : en
  • US2339847A - Pressure indicator : en
  • US2339996A - Breaker point : en
  • CA417977A - Photographic tone correction mask : en fr
  • US2340165A - Plow : en
  • US2340153A - Perpetual calendar : en
  • CA418024A - Flat knitting machine widening method : en fr
  • US2339897A - Clamp : en
  • US2340202A - Shoe tree : en
  • CA417929A - Package : en fr
  • CA417974A - Motion picture photography : en fr
  • AU1252344A - An improved device for tailing lambs andthe like : en
  • US2339823A - Coin detector : en
  • US2340094A - Control system : en
  • US2339957A - Pipe line control system : en
  • CA418089A - Chair : en fr
  • GB558842A - Method of reinforcing lead burnt and like joints : en
  • CA417912A - Metallic packing : en fr
  • US2340001A - Electrical musical instrument : en
  • USD137137S - Design for a holder for habit forming charts : en
  • FR889999A - : fr
  • DE744755C - Process for cleaning lactic acid : de en
  • USD137154S - Brooch or similar article : en
  • US2339990A - Hydraulic water pump : en
  • US2339771A - Coupling means : en
  • US2340067A - Tensiometer : en
  • GB558937A - An improved device for the obscuring of windows : en
  • FR890007A - Method and device for drying fruits and vegetables : en fr
  • US2339751A - Electric lamp socket : en
  • US2340251A - Educational apparatus : en
  • DE744737C - Process for the production of a self-supporting car body of the open type : de en
  • FR889948A - Method for monitoring the symmetry of alternating voltages : en fr
  • GB558844A - Improvements in or relating to engine-mountings for marine vessels : en
  • GB558878A - Improvements relating to electric circuit breakers having trip mechanism : en
  • DE744743C - Tennis racket stringing machine operated with weight effect : de en
  • CA417917A - Chain crawler : en fr
  • FR890068A - Improvements in the preparation of jams, marmalades, fruit jellies, etc. : en fr
  • GB558969A - Improvements in or relating to electro magnetically-operated step-by-step mechanism : en
  • FR890113A - Process for obtaining adherent electrolytic deposits on aluminum and some of its alloys and objects treated by this process : en fr
  • DE744894C - Core box lifting and clamping device on core blowing machines : de en
  • DE744773C - Process for the production of a viscose fiber with increased spinning, felting and flexing and high heat retention : de en
  • FR890116A - Devices for correcting trapezoidal distortions in cathode ray tubes : en fr
  • CA418062A - Electric switching apparatus : en fr
  • FR889908A - Tandem blowers with double rotor with attached tube blades : en fr
  • FR889932A - Method of reproducing color sound films : en fr
  • CA418048A - Blackened steel electrode for radio tubes : en fr
  • GB558865A - A new or improved screw thread tapping device : en
  • GB558828A - Revolving high-speed search-light for military and naval purposes : en
  • FR889989A - Manufacture of dolls and various toys : en fr
  • US2339861A - Measuring and control apparatus : en
  • DE744915C - Support roller block for trough conveyor belts : de en
  • FR889909A - Solid fuel dryer mounted on gasifier : en fr
  • GB558978A - Improvements in and relating to guards for combing machines for combing textile fibres : en
  • US2340175A - Automatic steering : en
  • US2339933A - Cigar box : en
  • US2339946A - Rubber chloride manufacture : en
  • US2340282A - Instrument landing equipment : en
  • CA417935A - Windshield wiper mechanism : en fr
  • DE744891C - Process for the production of rayon, fibers and threads from viscose : de en
  • FR890136A - Automotive lifting machine : en fr
  • USD137117S - Design for a casserole or similar article : en
  • US2340125A - Fluid pressure accumulator : en
  • US2339878A - Shade : en
  • US2340052A - Electric motor brake : en
  • CA417994A - Abrasive article cloth backing : en fr
  • US2340121A - Grinding apparatus : en
  • US2339846A - Method of and apparatus for the catalytic conversion of hydrocarbons : en
  • DE744680C - Process for the production of long-lasting dry amylase preparations from grain malt : de en
  • DK61840C - Device for gas-powered vehicles with a Gas Generator located in front of the Radiator. : da en
  • CA418043A - Gyroscope erection device : en fr
  • DE744486C - Control method for normally operated without charging and recharging two-stroke internal combustion engines of motor vehicles : de en
  • DE744886C - Unimpregnated single or multi-core cable with compressed gas-filled wound insulation : de en
  • US2339774A - Lasting machine : en
  • CA417914A - Portable seat : en fr
  • CA417948A - Gun bore heat-treating apparatus : en fr
  • DE744732C - Drive for planes : de en
  • US2340120A - Pressure heating device : en
  • US2340261A - Calculating and registering machine : en
  • CA418051A - Selenium type rectifier : en fr
  • US2339920A - Fluid pressure operated pump : en
  • CA417970A - Colour reproduction process : en fr
  • CA418019A - Welding electrode holder : en fr
  • US2339987A - Ventilating system : en
  • CA417922A - Stud welder : en fr
  • CA417933A - Brazing or welding tongs : en fr
  • US2340178A - Mixing machine : en
  • USD137122S - Design for an ice cube tray : en
  • US2339805A - Engine lubrication system : en
  • FR890135A - Improvements in the manufacture of electric wooden chandeliers : en fr
  • AU118028B2 - Self-locking nut : en
  • CA418012A - Rivet and riveted structure : en fr
  • CA418069A - Electrical precipitator power circuit : en fr
  • FR890102A - Evaporator device for convenient drying of fruits and vegetables : en fr
  • US2339822A - Apparatus for producing and viewing stereoscopic photographs : en
  • FR890076A - Loom regulator : en fr
  • FR890134A - Air conditioning and ventilation of cabinets or film installations : en fr
  • US2340011A - Battery terminal : en
  • US2340238A - Chromium iron alloy : en
  • US2339942A - Bag filling apparatus with gravity discharge : en
  • DE744725C - Change cover : de en
  • CA418020A - Glass article making apparatus : en fr
  • CA417951A - Electric switches : en fr
  • US2340061A - Electric discharge apparatus : en
  • US2340146A - Strain gauge : en
  • US2339810A - Camera : en
  • FR890077A - Acetylene generator : en fr
  • US2340179A - Rapper mechanism : en
  • CA418021A - Self propelled combine harvester : en fr
  • FR890012A - Adjusting the number of revolutions in combustion engines with injection : en fr
  • GB558862A - Improvements in or relating to mounting jewels for instrument bearings : en
  • CA418036A - Circular knitting machine : en fr
  • US2339758A - Recording weighing scale : en
  • USD137148S - Design fob a lady s suit : en
  • US2339915A - Hydrocarbon conversion : en
  • US2340203A - Coffee brewer apparatus : en
  • US2340252A - Tempering apparatus for refrigerated air : en
  • US2339866A - Bottle hooding machine : en
  • US2339938A - Elevating mechanism : en
  • US2339777A - Flash hider : en
  • US2340005A - Graving dock and method of construction : en
  • US2340188A - Manganese ore treatment : en
  • CA418088A - Films, foils and sheets impermeable to ultra-violet radiations : en fr
  • US2339772A - Propeller : en
  • CA418038A - Stable bitumen dispersion preparation : en fr
  • US2339919A - Dial with magnetic governor : en
  • DE744685C - Method and device for atomization drying : de en
  • FR890138A - Wirewound electric capacitor, with connecting conductors inserted into the coil : en fr
  • US2340265A - Pump : en
  • FR890057A - Extension handle for all underwater guns allowing fishing from the edge of a glass bottom boat, any boat or from the shore : en fr
  • GB558894A - Improvements relating to safety razors : en
  • GB558879A - Method of and apparatus for contacting solids and gases : en
  • DE744802C - Device for locating noises : de en
  • FR889984A - Advanced crusher working on all materials to be reduced and for all sizes : en fr
  • FR889953A - Pressure treatment of previously molded fibrous material bodies : en fr
  • FR890146A - Manufacturing process of plastics, softeners and lacquers : en fr
  • DE744815C - Device and method for distilling, especially high-boiling liquids : de en
  • US2339753A - Liquid control apparatus : en
  • US2340007A - Treatment of hydrocarbons : en
  • US2340279A - Recorder : en
  • DE744883C - Process for the electrical transmission of characters which are resolved into individual characters in the manner of image telegraphy : de en
  • US2340124A - Container : en
  • US2339757A - Drying normally opaque starchy products by radiant energy : en
  • US2339859A - Wheel : en
  • DE744841C - Automatic control for water gas systems or the like. : de en
  • GB558855A - Improvements in colour forming developers, processes of colour development and photographic emulsions for forming coloured images : en
  • US2339778A - Building construction : en
  • US2339801A - Drilling apparatus : en
  • DE744899C - Nailing machine for nailing bases and lids onto boxes of different sizes : de en
  • CA417997A - Bearing material : en fr
  • US2340154A - Recovery of chemical from the waste heat boiler system of chemical recovery units : en
  • FR889929A - Improvements to electric welding machines : en fr
  • GB558936A - Improvements in or relating to electric switches operated by tension members : en
  • FR890035A - Disc shutter for cameras : en fr
  • DE744688C - Manufacture of disodium arsenate : de en
  • DE744744C - Cable binding : de en
  • US2339918A - Hydrocarbon conversion : en
  • US2339929A - Preparation of catalysts : en
  • US2340029A - Quick-action tool resetting mechanism : en
  • CA417950A - Electric discharge apparatus : en fr
  • GB558923A - Improvements in or relating to thermionic valve amplifiers : en
  • US2339791A - Evacuator for fruit jars : en
  • GB558968A - Improvements in or relating to sewing : en
  • US2340273A - Tow bar : en
  • US2340015A - Visor construction : en
  • FR889937A - : fr
  • FR890100A - Stool enhancements for cycles and more : en fr
  • DK61843C - Cooling air supply device for Rear Motor Vehicles. : da en
  • US2339787A - Substituted para-aminobenzene sulphonamide compound : en
  • DE744703C - Surge arresters : de en
  • DE744911C - Elastic two-point mounting for internal combustion engines arranged transversely to the vehicle longitudinal axis : de en
  • US2340087A - Apparatus for controlling electric circuits : en
  • DK61834C - Stobekokille for the manufacture of plated blocks and plates, in particular of aluminum alloys. : da en
  • US2339906A - Apparatus for irradiating materials : en
  • US2339935A - Stabilized ice color composition : en
  • US2339960A - Drive wheel construction for automotive vehicles : en
  • AU118031B2 - Stereoscopic projection system : en
  • DE744677C - Process for the production of fungal mycelium substance from cellulose accompanying substances : de en
  • CA417927A - Electrical connector : en fr
  • FR890031A - Protective device for burst or punctured tire : en fr
  • FR890126A - Process for the manufacture of fibrous, porous and wood-like moldings containing a binder : en fr
  • DE744762C - Rapid switch, in particular for controlling the electrical generator output in internal combustion-electric vehicles : de en
  • GB558973A - An improved container or holder for screw-taps, drills and other elongated tools : en
  • US2340184A - Spool holder : en
  • CA418005A - Heat exchange apparatus : en fr
  • US2340278A - Sponge rubber mold : en
  • US2339826A - Center sill : en
  • US2339997A - Lifter roof : en
  • US2340163A - Planter : en
  • GB558902A - Improvements in or relating to landing gear for aircraft : en
  • US2340095A - Fluid blast circuit breaker : en
  • FR890037A - Drying and carbonization oven : en fr
  • FR890044A - Improvements to machines for splitting wood into logs for gasifiers : en fr
  • GB558876A - Improvements relating to reinforcing means for fibre or like building boards : en
  • CA417904A - Wind and drift indicator : en fr
  • FR889920A - Combined power unit for cargo ships and others : en fr
  • FR890030A - Cooling of turbo-compressors : en fr
  • GB558868A - Rock drills : en
  • FR890111A - Improvement in the constructive provisions of bimetal bearings : en fr
  • GB558815A - The manufacture of liquid and semi-liquid compositions capable of setting to elasto-plastic condition : en
  • US2340246A - Sands-discharge valve : en
  • US2340136A - Attachment for garment steaming and pressing machines : en
  • AU118017B2 - Improved theft alarm device for motor-vehicles andthe like : en
  • DK61837C - Carburetor without Swimmer. : da en
  • DE744760C - Swiveling or mobile shaft furnace cover : de en
  • AU790043A - Improved multi-spindle machine tool : en
  • FR890078A - Automatic and continuous dough-kneading machine, in particular for feeding continuous presses for pasta : en fr
  • DE744913C - Pen with a cover layer provided on one end : de en
  • CA418035A - Shoe manufacture : en fr
  • US2339883A - Method and apparatus for producing solid fatty food products : en
  • USD137130S - Design fob a banneret : en
  • GB558948A - Improvements in and relating to guards for combing machines for combing textile fibres : en
  • US2339907A - Article of luggage : en
  • DE710049C - Process for breaking down poorly soluble chromium oxide compounds : de en
  • US2339811A - Absorption refrigerator : en
  • FR889928A - Automatic control device for the duration of an industrial operation : en fr
  • GB558858A - Rotary, peripheral internal combustion engine : en
  • DE744896C - Arrangement for controlling lifts supplied with alternating current : de en
  • DE744705C - Surge arrester of the valve type : de en
  • DE744712C - Process for the electrical butt welding of valve housings from two separate housing halves : de en
  • DE744735C - Coupling to connect two trailers : de en
  • USD137127S - Confessional booth or the like : en
  • FR889947A - Improvements to gasifier installations : en fr
  • US2339837A - Dye : en
  • USD137135S - Fluid pressure operated chuck : en
  • FR890112A - Bracelets, belts or the like, of molded synthetic material : en fr
  • GB558930A - Improvements in and relating to solenoid-operated electric bells : en
  • FR889933A - Process for the preparation of polymethine dyes : en fr
  • US2339953A - Tilt back swivel chair : en
  • FR890043A - Movable contact rectifier : en fr
  • FR890147A - Direction change valve : en fr
  • US2340162A - Rim or flange perforating device : en
  • US2340266A - Full fashioned stocking and method of producing same : en
  • USD137151S - Design for a toy gun : en
  • DE744795C - Device for clamping the stages of a multistage centrifugal pump together : de en
  • FR889951A - Process for imparting new properties to solids, but permeable to water : en fr
  • GB558882A - A method of recovering magnesium from sea water : en
  • CA417923A - Fuel treating agent : en fr
  • FR890021A - Metal stopper with elastic stopper for loom : en fr
  • GB558899A - Improvements relating to coated fabrics : en
  • GB558912A - Improvements in or relating to sulphonated and phosphated oils and products prepared therefrom : en
  • DK61827C - Process for the Preparation of Tertiary Carbinols of the Cyclopentanopolyhydro-Phenanthrene Row. : da en
  • FR889973A - Braking device for bicycles fitted with hand brakes : en fr
  • FR890123A - Device applicable to suitcases, etc., to facilitate their transport : en fr
  • US2339850A - Method of forming and assembling vacuum tube supports : en
  • US2339856A - Television receiver : en
  • US2340080A - Ski construction : en
  • US2339943A - Free-flowing barium carbonate and method of making same : en
  • US2339851A - Automatic tuning control : en
  • US2339873A - Grease preparation : en
  • US2340070A - Control device : en
  • US2339986A - Indexing mechanism : en
  • US2339939A - Control system : en
  • US2340078A - Electrical connector : en
  • US2340239A - High water indicator : en
  • FR890137A - Machine for the simultaneous rolling of two threads on bolts, in particular on spacers for locomotives : en fr
  • US2340256A - Roach run : en
  • FR890056A - Installation of internal combustion engines : en fr
  • GB558869A - Improvements in or relating to vehicle bodies : en
  • US2339880A - Wire cutter : en
  • US2340033A - Garment hanger : en
  • DK61839C - Apparatus for the production of regular layers, in particular of metal, by thermal vapor deposition. : da en
  • US2339973A - Vibrator mounting : en
  • US2339782A - Sectional boat : en
  • US2339967A - Motor vehicle : en
  • US2340004A - Control system : en
  • CA418050A - Booster pump : en fr
  • CA418056A - Liquid testing apparatus : en fr
  • US2339788A - Substituted para-aminobenzene sulphonamide compound : en
  • CA418046A - Evaporative condenser and fan : en fr
  • US2339912A - Treatment of cellulose derivatives : en
  • AU118024B2 - Improved multi-spindle machine tool : en
  • CA13609S - Parallel ruler : en
  • CA417924A - Porous fibrous plate production : en fr
  • FR889930A - Wood cutting machine : en fr
  • GB558824A - Improvements relating to valves : en
  • US2339802A - Gas range cooking top : en
  • US2340157A - Refining of oil : en
  • US2339814A - Continuous absorption refrigerator : en
  • US2339827A - Closure cap and package : en
  • FR889986A - Seed drill : en fr
  • US2339789A - Process for producing beta-(1-naphthoyl) propionic acid : en
  • US2339819A - Cover lifter : en
  • GB558885A - Improvements in twin-drum winches : en
  • US2340024A - Sterilizer container : en
  • US2340048A - Method of treating yarns with wax : en
  • DE744884C - Process for eliminating the light scattering that occurs in thin-film films for purposes of television broadcasting : de en
  • US2340017A - Outer garment or coat : en
  • US2339839A - Machine tool : en
  • CA417984A - Electric cable : en fr
  • US2340130A - Polishing apparatus : en
  • US2340212A - Noise maker : en
  • US2340042A - Track switch for toy railways : en
  • DE744687C - Device for splitting ammonia using catalysts : de en
  • DE744843C - Obstetric forceps consisting of at least two parts with upward curved spoons : de en
  • FR890029A - Orientation device for traction and deflection pulleys to automatically obtain the correct alignment of a cable on a winch drum : en fr
  • GB558939A - Improvements relating to air or gas pumps of the roots blower type : en
  • DE744875C - Device for controlling a number of electrical lamps and other electrical apparatus in a motor vehicle : de en
  • US2340156A - Ball bat : en
  • US2339763A - Container and method of making same : en
  • CA417960A - Photographic emulsion : en fr
  • GB558965A - Gardening implements : en
  • FR889995A - Wire unwinder for winders : en fr
  • CA418015A - Plaster bandage : en fr
  • CA417962A - Photographic emulsion : en fr
  • US2339876A - Accumulator : en
  • US2340206A - Device for sterilizing surgical gloves : en
  • US2340233A - Nontarnishing rubber product and method of making the same : en
  • US2339867A - Multiple valve control : en
  • USD137129S - Design for a cup holder : en
  • DE744854C - Process for the production of laminated glass : de en
  • CA418014A - Method apparatus for cutting webs : en fr
  • US2339809A - Thermocouple structure : en
  • US2339947A - Bicycle container : en
  • GB558916A - Improvements relating to means for the avoidance of ignition of particles of carbon or soot suspended in the exhaust gases from diesel engines : en
  • CA417945A - Vapour generator control system : en fr
  • US2340205A - Mixing apparatus : en
  • FR890071A - Automatic milling machine : en fr
  • CA417952A - Electric discharge lamp starting device : en fr
  • US2339879A - Wheel lock : en
  • CA417963A - Photographic emulsion : en fr
  • CA13604S - Can opener : en
  • CA417980A - Photographic tone correction mask : en fr
  • US2340096A - Grinding machine : en
  • US2340226A - Sedimentation apparatus : en
  • US2339854A - Tension device for yarn winding machines : en
  • US2340243A - Method of making rubber articles : en
  • US2339841A - Wall structure and fastener : en
  • US2340053A - Indicator light : en
  • DE744681C - Laeuterverfahren : de en
  • FR889965A - Louver shutter device : en fr
  • AU740242A - Improved collapsible baby carriage : en
  • US2339899A - Nonoffset spraying device : en
  • US2339776A - Stoker : en
  • US2339804A - Multiplex telegraph system : en
  • US2340020A - Pump : en
  • US2340222A - Portfolio display binder : en
  • CA418061A - Radio direction finding system : en fr
  • CA418083A - Liquid pressure remote control system : en fr
  • US2340060A - Regulating system : en
  • CA418045A - Railway car roof seam cap : en fr
  • FR890101A - Device for converting a bicycle into a tandem : en fr
  • CA417899A - High speed milling head attachment : en fr
  • CA417944A - Electrical signalling system : en fr
  • US2340217A - Hose mounting for fluid dispensing apparatus : en
  • DE744761C - Changeover switch for the currentless initiation of switching processes, in particular driving and braking processes in electric vehicles : de en
  • DE744881C - Control device for turbo-electric vehicle propulsion, especially marine propulsion : de en
  • US2340131A - Welding : en
  • AU1281644A - Improvements in or relating to circular independent needle knitting machines : en
  • CA417996A - Air driven generator : en fr
  • CA418079A - Vehicle removable tread block : en fr
  • US2339992A - Pipe hanger : en
  • US2340158A - Thermal time delay control : en
  • US2339844A - Locomotive tender structure : en
  • US2340234A - Trip means for safety control devices and the like : en
  • US2340268A - Esters of nitrohydroxy compounds : en
  • AU118036B2 - An improved means for protecting textile or felt floor coverings : en
  • DE744845C - Process for the production of light metal pistons : de en
  • US2340012A - Alcohol recovery process : en
  • US2340196A - Rotary hydraulic pump and pressure control valving therefor : en
  • AU118030B2 - Improved collapsible baby carriage : en
  • DE744868C - Process for the production of low-pentosan cellulose from plant matter : de en
  • US2339818A - Terpene derivatives : en
  • US2340142A - Surgical dressing : en
  • DK61830C - Device for Releases for Frequency-Dependent Attenuation Compensation. : da en
  • CA418068A - Electrical precipitation apparatus : en fr
  • FR889979A - Use of crushed and oxidized copper ores for anticryptogamic treatments of vines and other plants : en fr
  • US2339994A - Box : en
  • GB558918A - Improvements in apparatus for the dry cleaning of coal : en
  • GB558947A - Improvements in or relating to method and means for forming worm gearing : en
  • CA418052A - Centrifugal casting apparatus : en fr
  • CA418049A - Textile processing : en fr
  • CA418031A - Vertical door bolt : en fr
  • CA418080A - Vegetable fibre forming method : en fr
  • US2340149A - Motor vehicle : en
  • CA418022A - Automatic toaster : en fr
  • US2339916A - Hydrocarbon conversion : en
  • CA418041A - Yarn dyeing machine : en fr
  • US2340027A - Article of footwear : en
  • AU806543A - Improved theft alarm device for motor-vehicles andthe like : en
  • GB558823A - Improvements in and relating to closure caps or stoppers for containers : en
  • FR889907A - Improvements to reservoir pen holders : en fr
  • GB558974A - Improvements relating to the grinding of cutting tools : en
  • GB558950A - Improvements in apparatus for feeding ammunition in belt form to machine guns designed for magazine feed : en
  • FR890127A - Lighting process for chronomicrophotographic shots : en fr
  • CA417990A - Glass furnace charging method : en fr
  • DE744749C - Method and device for dewatering yeast suspensions : de en
  • FR889985A - Auto-cooker system perfecting so-called appliances : en fr
  • US2339911A - Manganese electrowinning process : en
  • USD137138S - Design for a combined cigarette case : en
  • USRE22426E - Suction cleanek : en
  • US2340224A - Telegraph signal distortion measuring circuit : en
  • FR889975A - New latch system : en fr
  • DE744909C - Switching device for multi-speed, especially five-speed gearboxes, especially for motor vehicles : de en
  • US2339886A - Motor toboggan : en
  • US2339836A - Aircraft of the type equipped with sustaining rotors : en
  • USD137121S - Wilson grinding machine : en
  • USD137149S - Design for a dress : en
  • US2340257A - Typewriting machine : en
  • GB558870A - Improvements in or relating to cooling fin construction : en
  • US2340044A - Condensation product and process of making the same : en
  • FR889914A - Covering boats with overlapping and interlocking hatches : en fr
  • GB558928A - Improvements in injection nozzles for internal combustion engines : en
  • US2340283A - Flue control device : en
  • AU805143A - An improved means for protecting textile or felt floor coverings : en
  • US2339993A - Shoe construction : en
  • FR889954A - Product used to impart an unpleasant taste when smoking tobacco : en fr
  • US2340076A - Welding apparatus : en
  • USD137134S - Design fob a hand duster : en
  • FR890090A - Automatic dispenser by weight of any food or other product : en fr
  • US2340026A - Fractionator control : en
  • US2339988A - Fuel proportioning device for internal combustion engines : en
  • US2339784A - Lubrication : en
  • US2340036A - Lubricant composition : en
  • US2340097A - Warming pad : en
  • AU738142A - Improvements in and connected with glass melting tanks or furnaces : en
  • CA417940A - Desk telephone set : en fr
  • CA418075A - Cone brake : en fr
  • DE744789C - Process for preventing the corrosion of metals by acids : de en
  • US2339927A - Process and catalyst for the preparation of predominant quantities of paraffin in the hydrogenation of carbon monoxide : en
  • US2340281A - Air valve for stokers : en
  • US2339980A - Stamped metal outside door handle : en
  • GB558972A - Improvements in or relating to electric furnaces for the electro-thermal production of metallic magnesium : en
  • FR889940A - Assembly of transformers and reactors : en fr
  • GB558897A - Improvements in or relating to shoe upper conforming machines : en
  • FR890119A - Improvements to presses and presses : en fr
  • DE744916C - Process for the repair and reinforcement of structures and for consolidating and sealing cracked rock layers or the like. : de en
  • FR890132A - Nozzle for spray guns for metallizing or steeling : en fr
  • GB558845A - Improvements in quick release spanners : en
  • US2339796A - Lubricating oil : en
  • US2340189A - Safety razor : en
  • DE744794C - Method of making a cough drop : de en
  • DE744837C - Electromechanical device for delay-free triggering of a switching or actuation lever by means of weak electrical impulses : de en
  • US2340225A - Weighing, bag opening, and filling apparatus : en
  • US2340062A - Weatherproof socket for electric light bulbs : en
  • GB558841A - Improvements in and relating to centrifugal pumps : en
  • FR889910A - Alarm clock enhancements : en fr
  • GB558851A - Convertible gasoline-diesel engine : en
  • US2340245A - Corset or foundation garment : en
  • FR889991A - Metal steam generator, with metal and cylindrical vacuum vessel : en fr
  • US2340200A - Screen display : en
  • US2340231A - Vulcanizing press : en
  • GB558907A - Improved means for securing moulds and mould frames to vibrating tables : en
  • GB558952A - Improvements relating to power factor adjustment in electric supply circuits, particularly in welding circuits using transformers : en
  • DE744748C - Process for the production of sour malts : de en
  • FR890140A - Wood gas generator or similar : en fr
  • US2339917A - Hydrocarbon conversion process : en
  • US2340161A - Apparatus for operating phonographs and processing records therefor : en
  • USD137131S - Soap tray or similar article : en
  • US2340228A - Sugar-cane mill : en
  • DE744882C - Type printing telegraph receiver in which the selection mechanism can be locked independently of the operation of the receiving magnet : de en
  • FR890150A - Device for the application of feed rollers on straight combers : en fr
  • FR889961A - Device avoiding any elastic reaction in the fixing of the speaker diaphragms : en fr
  • FR889963A - Horticultural hoe with arms and fulcrum doubling the useful effort : en fr
  • US2340193A - Receiving hopper structure for hot metal mixers : en
  • DE744904C - Spring fastening for Schuettler and return floors on threshing machines : de en
  • DK61841C - Gearshift device for variable gears. : da en
  • US2339820A - Mower cutter bar support : en
  • US2340105A - Wheel : en
  • CA417901A - Brassiere : en fr
  • GB558919A - Improvements in apparatus for the dry cleaning of coal : en
  • GB558863A - Improvements relating to plate clutches : en
  • CA417919A - Sectional boat : en fr
  • FR890129A - Manufacturing process for rayon and cellulosic wool exhibiting reduced swelling power and low solubility in alkaline medium : en fr
  • FR889966A - Chemical to fight : en fr
  • GB558971A - Coal extraction machinery : en