• US2290368A - Boiler cleaning device : en
  • US2290723A - Toilet case : en
  • USRE22135E - Refining of oil : en
  • CA406233A - Stable vitamin e manufacture : en fr
  • US2290333A - Flanged metal pipe with plastic lining : en
  • US2290486A - Method of producing expanded metal lath : en
  • US2290708A - Gas blast circuit breaker : en
  • US2290272A - Method of treating cast iron : en
  • US2290546A - Apparatus for heat treating steel stamp blanks : en
  • US2290787A - Strain relief : en
  • US2290807A - Handle : en
  • CA406190A - Lamp exhausting machine : en fr
  • US2290838A - Temperature and pressure responsive excess flow valve for liquefied gas systems : en
  • USD133124S - Design for a badge ob the like : en
  • CA406225A - Ice removing jacket for loop antennae : en fr
  • CA406249A - Cylindrical grinding and lapping machine : en fr
  • US2290591A - Hollow milling tool : en
  • USD133118S - Display box for jewelry or the like : en
  • CA406253A - Flat iron thermostatic indicator : en fr
  • US2290257A - Stop motion for knitting machines and the like : en
  • US2290291A - Thresher construction : en
  • US2290740A - Gravity meter : en
  • USD133105S - Nattenheimer lady s handbag or the like : en
  • AU216741A - Machine and mould for making concrete blocks and units : en
  • FR873978A - Sewing machine for making buttonholes : en fr
  • US2290746A - Slab : en
  • DE722948C - Oven for alternating heating and cooling of the fire : de en
  • CA406228A - Piston groove depth gauge : en fr
  • US2290524A - Vulcanizing rubber : en
  • CA406198A - Organic amine production : en fr
  • US2290458A - Motion picture projector : en
  • DE722904C - Process for the production of an airspace-insulated telecommunication line : de en
  • DE722942C - Procedure for the commissioning of electric arcs fed by controlled rectifiers to carry out chemical reactions : de en
  • DK59979C - Beet top iron. : da en
  • FR873983A - Manufacturing process for linear polyamides with high degrees of polymerization : en fr
  • US2290311A - Lock bolt means : en
  • GB546621A - Improvements in or relating to variable-pitch airscrews : en
  • AU285341A - Improvements in or relating to small ware looms : en
  • CA406195A - Filament spinning apparatus : en fr
  • CA406202A - Camera focusing means : en fr
  • DE722929C - Method of utilizing the ribs of tobacco leaves : de en
  • US2290364A - Surface treatment of aluminum or aluminum alloys : en
  • USD133149S - Design for a fur collar : en
  • DE722823C - Electron tubes with flat bottom : de en
  • FR873861A - Device with two transmission channels by means of a high frequency carrier wave : en fr
  • US2290811A - Projector for time indications : en
  • USD133119S - Design for a portable grease dispenser : en
  • USD133154S - Design fob a dress : en
  • US2290214A - Process of producing ice cream : en
  • US2290823A - Double carrier facsimile : en
  • US2290255A - Furnace : en
  • US2290661A - Resilient wheel : en
  • DE722879C - Device for the automatic recording of work processes in electrically driven machines : de en
  • GB546612A - Improvements in or relating to bearings mountings : en
  • US2290361A - Press : en
  • US2290765A - Drier for aggregates and the like : en
  • USD133098S - Terminal post for bowling ball racks or the like : en
  • US2290508A - Variable capacitor : en
  • US2290514A - Casket bed : en
  • US2290812A - String bean slicer : en
  • USD133150S - Design for a dress : en
  • CA406294A - Circuit control system : en fr
  • US2290642A - Vulcanization of rubber : en
  • DE722759C - Process for the production of running rails for snowshoes composed of several longitudinal parts : de en
  • FR873911A - Improvements to underground deposit prospecting processes : en fr
  • GB546648A - Improvements in method of dyeing woollen material : en
  • DE722691C - Process for preserving vegetable feed materials in silos : de en
  • US2290271A - Apparatus for conditioning the surfaces of metal bodies : en
  • US2290426A - Air conditioning system : en
  • US2290647A - Refrigerated display case : en
  • DE722806C - Cover for headlights : de en
  • USD133125S - Hand cart or similar article : en
  • DE722920C - Gear change transmission with countershaft : de en
  • US2290632A - Electromagnetic control device : en
  • DE722745C - Pressure gauge connection : de en
  • FR873832A - Hollow gate valve open in the direction of the screw : en fr
  • DE722598C - Device for reducing the initial stability of ships : de en
  • CA406160A - Tool grinder : en fr
  • US2290409A - Means for withdrawing casing from wells or boreholes : en
  • US2290618A - Slippage recorder : en
  • DE722956C - Method and device for distilling glycerine : de en
  • US2290417A - Process for breaking petroleum emulsions : en
  • GB546555A - Improvements in or relating to change-speed mechanism for use in registering and computing mechanism : en
  • GB546576A - An improvement in or relating to self-closing valves : en
  • US2290443A - Selective multiple feed device for rolling mills : en
  • US2290782A - Rug or carpet cleaning machine : en
  • US2290229A - Frequency modulation facsimile transmission : en
  • US2290366A - Method of making ceramic bonded articles : en
  • US2290302A - Road marking machine : en
  • US2290410A - Worktable seat : en
  • AU208641A - System of modulating a television cathode ray tube : en
  • DE722836C - Electric musical instrument with multiple current resonance formant circles : de en
  • DE722849C - Small excavator for excavating construction pits, for road construction and similar earthworks of a smaller scale : de en
  • DE722986C - Device for searching for and measuring the distance of objects using the echo sounder method : de en
  • US2290432A - Knitting device : en
  • US2290745A - Lifesaving device : en
  • DE722980C - Automatic adjustment device for the brakes of motor vehicles : de en
  • US2290542A - Clutch : en
  • FR873882A - Development of lifting landing gear : en fr
  • CA406179A - Sewage and waste treating method : en fr
  • FR873878A - Furniture for dentists : en fr
  • US2290623A - Tractor tire mounting : en
  • DE722782C - Process for the production of porous, thermal and acoustic insulating material in small pieces : de en
  • FR873889A - Auxiliary acetylene starter for engines powered by gasifier : en fr
  • FR873855A - Feeding device for tubular product packaging machines : en fr
  • GB546681A - Processes and products for the production of low carbon chromium alloys : en
  • FR873953A - Improvements in methods for cutting objects, in particular with a view to allowing their examination under a microscope for medical purposes : en fr
  • DE722938C - Drying process : de en
  • DE722988C - Device for clarifying liquids, especially waste water : de en
  • US2290346A - Chair : en
  • GB546641A - Improvements in and relating to an electrical insulating material and method of producing the same : en
  • US2290529A - Device for measuring rotating workpieces : en
  • DE722750C - Gas goggles for horses : de en
  • US2290316A - Lubricant : en
  • FR873874A - Universal bell for high dose inhalations of oxygen or other gases : en fr
  • USD133097S - Design foe a drafting implement : en
  • US2290178A - Scraper attachment for push brooms and the like : en
  • US2290182A - Shackle for spring suspensions : en
  • DE722862C - Process for the production of apparatus and cable stands for workshops : de en
  • US2290208A - Process for the manufacture of gaseous discharge lamps : en
  • US2290644A - Radio receiving set : en
  • US2290668A - Degreasing metal strip : en
  • US2290755A - Cam lapping machine : en
  • US2290296A - Process for preparing lead alloys : en
  • FR873811A - Joint for transport aprons and belts and method of manufacturing fasteners : en fr
  • DE722968C - Crankless pneumatic shaker slide motor : de en
  • GB546631A - Improvements in or relating to photographic materials : en
  • US2290173A - -nhxco-ch : en
  • AU115494B2 - Improvements in or relating to electron discharge apparatus : en
  • AU230941A - An improved double cylinder pump : en
  • FR873859A - Device for keeping files or files in file drawers : en fr
  • US2290222A - Method of making cotton picker spindles : en
  • US2290814A - Combined stern frame and ship's rudder assembly : en
  • US2290429A - Mud scraping device : en
  • DE722845C - Lashing for the tubular slide of artillery pieces that can be dismantled for transportation in partial loads : de en
  • FR873850A - Substitute for oil and at the same time resin : en fr
  • FR873894A - Improvements to speedometers : en fr
  • DE722779C - Interlocking roof tiles : de en
  • FR873795A - Process for the production of concrete coverings on ground worked by milling plows : en fr
  • FR873807A - Mounting device for polar coordinate operation of a braun tube with wehnelt cylinder : en fr
  • FR873991A - Use as fertilizers of certain sodium-based products derived from sodium chloride, and processes for their manufacture : en fr
  • GB546614A - A process for the manufacture of carboxylic acid esters of quaternary ammonium compounds : en
  • US2290511A - Cabinet : en
  • US2290523A - Roller skate : en
  • US2290230A - Stylus mounting : en
  • US2290690A - Glove or other wearing apparel : en
  • DE722905C - Current collection device for magneto-electric bicycle alternators : de en
  • DE722902C - Damping circuit arrangement using two absorption tubes connected in push-pull, in particular to achieve a pendulum reception : de en
  • GB546657A - Process for the improvement of viscose textile materials by esterification : en
  • DE722970C - Automatic release device for shaft couplings in the event of shaft breakage : de en
  • US2290684A - Phosphorous copper alloy : en
  • CA406229A - Piston skirt drilling jig : en fr
  • US2290259A - Hair drying apparatus : en
  • US2290269A - Internal grinding machine : en
  • US2290322A - X-ray tube safety switch : en
  • US2290681A - Display carton : en
  • USD133146S - Design for a dress : en
  • GB546676A - Improvements in statistical card devices for use in the identification of aircraft : en
  • CA406267A - Air conditioning system : en fr
  • FR873769A - Process for obtaining corrosion-resistant surfaces on steel by diffusion of chromium : en fr
  • US2290190A - Refrigerating apparatus : en
  • US2290336A - Handle construction : en
  • CA406199A - Polyamide production : en fr
  • CA406224A - Ice accumulation preventing apparatus for aeroplanes : en fr
  • US2290224A - Control means for airplanes : en
  • US2290220A - Fabric stretching frame : en
  • AU218141A - Ultrahigh frequency receiving electron discharge tube arrangements : en
  • DE722866C - Electron tubes with a filamentary or ribbon-shaped, directly heated cathode : de en
  • US2290192A - Operation of shaft furnaces : en
  • GB546606A - An improved horseshoe magnet of material of high coercive force : en
  • DE722981C - Device for the servo control of vehicle fluid brakes : de en
  • US2290667A - Power system : en
  • US2290743A - Blank-holder press : en
  • DE722858C - Changeable uniqueness device for plug couplings : de en
  • DK59984C - Apparatus for Preparing Wrapping Paper. : da en
  • FR873809A - Articulated sole : en fr
  • GB546663A - Manufacture of normal ferric sulphate : en
  • CA406140A - Oil well rig : en fr
  • US2290282A - Piano lamp : en
  • US2290450A - Device for aiding workmen in decorating ceilings : en
  • FR873947A - Material reminiscent of paper, and its preparation process : en fr
  • GB546593A - Improvements in or relating to processes of preserving dairy products and the improved dairy products resulting therefrom : en
  • FR873922A - Swivel and swivel suspension wheel for direct-back trailer : en fr
  • US2290532A - Refrigeration : en
  • US2290730A - Grinding device : en
  • US2290688A - Switch arrangement, particularly for use in electrotherapeutic treatments : en
  • USD133100S - Design fok a game board : en
  • US2290619A - Method of reinforcing protuberances on metallic members : en
  • US2290758A - Trichlorostyrene and method of preparing the same : en
  • DE679664C - Chair convertible into a table : de en
  • DE722829C - Slide version : de en
  • DE722855C - Folding machine for parallel folding : de en
  • DE722856C - Pantographs for trams : de en
  • FR873802A - Blade holder for looms : en fr
  • FR873870A - Automobile trailer hitch : en fr
  • FR873940A - Automobile chassis : en fr
  • US2290533A - Carbon cleaning brush : en
  • US2290817A - System of communication : en
  • FR873995A - Process for removing arsenic and antimony from ores containing iron : en fr
  • GB546643A - Improvements in and relating to a method of making electrical insulating material : en
  • US2290643A - Railway truck construction : en
  • US2290241A - Method of polishing cured casein articles and composition for use in such method : en
  • US2290662A - Fishing reel : en
  • US2290288A - Battery pasting machine : en
  • US2290401A - Method of preparing polycyclic aromatic carboxylic acids : en
  • FR873900A - Improvements to electric vehicle transmission systems : en fr
  • CA406260A - Refrigerator car : en fr
  • DE722780C - Process for stabilizing pressure cooked waste from products containing nitrocellulose : de en
  • FR873909A - Rotating torpedo for marine : en fr
  • US2290629A - Spark plug cleaner : en
  • FR873999A - Quick binding or filing cabinet : en fr
  • GB546570A - Improvements in or relating to ball and float valves : en
  • FR873830A - New reinforced cement system with fiber reinforcement : en fr
  • FR873948A - Process for the manufacture of Thomas and Bessemer steels : en fr
  • US2290418A - Trim panel : en
  • US2290576A - Applicator : en
  • US2290363A - Dispensing device : en
  • US2290531A - Mechanically controlled discharge tube : en
  • US2290578A - Expansible hair curling device : en
  • DE722861C - Outdoor switchgear : de en
  • FR873928A - Temperature compensation device for pressure sensitive instruments : en fr
  • FR873988A - Hydraulically actuated friction clutch : en fr
  • US2290832A - Hydraulically operated machine tool table : en
  • US2290516A - Enclosed circuit interrupter : en
  • GB546664A - Method of and apparatus for controlling searchlights : en
  • FR873860A - Yellow luminescence stable zinc sulfide phosphor and method of manufacture : en fr
  • USD133109S - Combination serving counter and entertainment stage unit : en
  • US2290464A - Adjustable seat mounting for vehicles : en
  • DE722769C - Time relays, especially for resistance welding machines : de en
  • US2290530A - Display rack : en
  • US2290520A - Spring cushion or mattress assembly and upholstery pad therefor : en
  • US2290808A - Window guard and screen : en
  • US2290698A - Electric power cable : en
  • US2290627A - Apparatus for building tires : en
  • US2290671A - Insulated conducting member and method of applying the insulation : en
  • FR873959A - Cathode ray tube : en fr
  • FR873803A - Vertical furnace with circulation of the heating gases : en fr
  • US2290414A - Composition of matter and process for preventing water-in-oil type emulsions resulting from acidization of calcareous oil-bearing strata : en
  • US2290276A - Motion picture projector : en
  • US2290152A - Film developing apparatus : en
  • US2290210A - Transmission mechanism : en
  • FR873887A - Signaling device for electric vehicles powered by a contact line : en fr
  • DE722841C - Command post for aircraft with gunner's seat and weapon on the turntable : de en
  • CA406214A - Metal body severing apparatus : en fr
  • GB546574A - Improvements in and relating to operating mechanism for mechanical brakes : en
  • AU115502B2 - An improved double cylinder pump : en
  • US2290270A - Self-binding nut : en
  • FR873825A - Control for energy storage, especially for quick-acting switches : en fr
  • DK59977C - Fruit press. : da en
  • FR873876A - Improvements to lighting alternators for cycles and motorcycles : en fr
  • US2290588A - Inertia device : en
  • DE722996C - Form-fitting stocking and process for its production on the flat weft knitting machine : de en
  • US2290555A - Detection of fuel gases : en
  • US2290715A - Portable container : en
  • FR873967A - Device comprising a cathode ray tube equipped with deflector members and intended to produce very high frequency oscillations : en fr
  • US2290841A - Corn sheller shaft guard : en
  • USD133095S - Design for a ring : en
  • GB546607A - Improvements in and relating to air conditioning apparatus : en
  • DE722777C - Device for carbonizing rags : de en
  • GB546646A - Improvements in or relating to devices for atomising and vapourising a medicament, moe particularly for the treatment of the skin and of wounds : en
  • DE722802C - Circumferential tool with helically wound teeth : de en
  • US2290176A - Wire drawing : en
  • FR873836A - Device for machining stamps, dies or the like on mobile tool machine tools : en fr
  • USD133142S - Design for a sugar spoon : en
  • FR873797A - Toy with minifigures automatically walking in downward direction on an inclined plane : en fr
  • GB546566A - Improvements in or relating to dyestuffs : en
  • US2290286A - Apparatus for cooling metal molds : en
  • US2290752A - Rolling extruder : en
  • US2290472A - Painter's masking shield : en
  • US2290497A - Cooling system : en
  • DE722876C - Protective device on speaking machines : de en
  • FR873884A - Improvements to agricultural tractors : en fr
  • DE722776C - Process for the recovery of ammonia from copper oxide ammonia cellulose solutions : de en
  • DE722960C - Control device for boilers for solid fuels of air heating systems : de en
  • FR873783A - Sintered core and method of manufacturing this core : en fr
  • GB546658A - An improved device for indicating or measuring the angular disposition of surfaces : en
  • USD133129S - Design fob a badge or similar article : en
  • DE722661C - Coupling for traction and pressure means with guide sleeve, cables or the like. : de en
  • US2290292A - Photographic printing device : en
  • US2290326A - Dry shaving appliance : en
  • FR873946A - Printing telegraph devices : en fr
  • US2290402A - Air conditioning apparatus : en
  • AU115520B2 - Velocity modulated electron discharge tube : en
  • FR873833A - Conveyor cables undergoing stress rarely interrupted by breaks : en fr
  • US2290683A - Circuit breaker control : en
  • DE722843C - Device for skinning animals : de en
  • USD133144S - Design for a key holder : en
  • US2290462A - Dihalogenated ethers : en
  • USD133143S - Spectacle case or the like : en
  • FR873801A - Automatic transmission device : en fr
  • FR873856A - Bonding process : en fr
  • FR873933A - Locking device for the hydraulic device for controlling the pitch of aircraft propellers : en fr
  • GB546590A - Improvements in or relating to statistical machines : en
  • DE722791C - Tin can : de en
  • FR873777A - Device for fixing the end of films wound on reels : en fr
  • AU369341A - Improvements in or relating to cutting members fora dry-shaving : en
  • CA406143A - Portable saw : en fr
  • CA406218A - Welding tip and process : en fr
  • DE722864C - Castable ceiling and wall incandescent lamp fitting made of insulating material with straight and inclined support surface for pipe and cable connection in utility rooms : de en
  • DE722931C - Gripper wheel for picking up the tobacco in cut tobacco loading systems : de en
  • CA406208A - Electric immersion heater : en fr
  • CA406213A - Airscrew : en fr
  • GB546609A - Adjusting arrangement for guiding gibs of a reciprocable element : en
  • US2290716A - Container and measuring device therefor : en
  • CA406261A - Internal combustion engine : en fr
  • DE722955C - High-speed switch for grid-controlled rectifiers, which responds to reverse current in the DC circuit : de en
  • AU208241A - Method and means for joining metallic bodies : en
  • US2290265A - Displacement compression and engine supercharging : en
  • US2290312A - Insole margin cementing machine : en
  • US2290415A - Composition of matter and process for preventing water-in-oil type emulsions resulting from acidization of calcareous oil-bearing strata : en
  • US2290575A - Wheel brush : en
  • GB546595A - Manufacture of disazo dyestuffs : en
  • US2290738A - Motorized hauling and dumping vehicle : en
  • US2290848A - Shoe machine : en
  • CA406280A - Telephone system : en fr
  • AU115513B2 - Control valve : en
  • DE722828C - Method for determining exposure values : de en
  • DE722813C - Copy device for loose-leaf accounting : de en
  • US2290150A - Electrical switch : en
  • US2290561A - Process of vulcanizing rubber : en
  • US2290592A - Television scanning system : en
  • CA406254A - Compressed air condenser : en fr
  • US2290261A - Electric sign : en
  • CA406210A - Reduction drive mechanism : en fr
  • CA406264A - Air conditioning system : en fr
  • US2290521A - Door interlock : en
  • DE722888C - Process for influencing electrostatic debris : de en
  • CA406193A - Electric valve control circuit : en fr
  • CA406175A - Hot metal working method : en fr
  • DE722762C - Luminaire with alternately switchable main and secondary light source : de en
  • DE722846C - Device for evenly distributing, preferably cut or leaf tobacco : de en
  • GB546608A - Improvements in and relating to vehicle headlamps : en
  • US2290560A - Circuit breaker : en
  • US2290167A - Preparation of sulphonation derivatives : en
  • CA406279A - Time-of-day announcing system : en fr
  • DE722748C - Pendulum mill : de en
  • CA406148A - Telescope rifle sight : en fr
  • US2290537A - Pressure boosting cylinder : en
  • US2290780A - Railway truck device : en
  • USD133111S - Combined hairpin holder and finger ring : en
  • US2290431A - Extraction of fluids from the earth : en
  • USPP533P - - carnation v : en
  • USRE22143E - Electric fence : en
  • CA406196A - Synthetic fibre crimping process : en fr
  • CA406131A - Concrete slab joint : en fr
  • DE722936C - Tube closure with springy closure cap : de en
  • DE722983C - Chain tensioning device and stop light system for bicycles and motorcycles : de en
  • FR873950A - Process for filling the clarification tanks with mash : en fr
  • GB546637A - Improvements in or relating to sensitive photographic materials : en
  • US2290651A - Television system : en
  • CA406194A - Filament spinning apparatus : en fr
  • DE722957C - Dismountable bed frame made of wood with several bed bases arranged one above the other : de en
  • US2290770A - Combustion control apparatus : en
  • GB546669A - Improvements in or relating to grilling and toasting apparatus : en
  • FR873897A - Magneto phone call : en fr
  • DE722947C - Paper conveyor device, especially for cross conveyor tables of buckling machines : de en
  • AU205541A - Wideband antenna : en
  • GB546610A - Improvements in or relating to a microscope objective : en
  • US2290496A - Method of making storage battery separators : en
  • DE722954C - Arrangement to avoid flashbacks in ion valves with glow or arc discharge : de en
  • FR873971A - Improvements to devices intended for lining heating elements with insulating material : en fr
  • DK59976C - Method of Manufacture of Dentures. : da en
  • US2290362A - Flashlight photographic shutter : en
  • US2290665A - Diagnostic instrument : en
  • FR873810A - Tubular saws for cutting cheese box rings : en fr
  • FR873929A - Piston straw press : en fr
  • US2290577A - Eucharistic table : en
  • USD133110S - Combined hairpin holder and finger ring : en
  • US2290373A - Cooling and condensation of vapors of distilled organic liquids : en
  • US2290798A - Duplex combination settle blow head and baffle mechanism for glassware forming machines : en
  • US2290835A - Tractor power take-off : en
  • US2290535A - Scaffold : en
  • GB546581A - Improvements in and relating to fasteners : en
  • US2290314A - Feedback system for traveling wave antennas : en
  • DE722785C - Conveyor for lifting plant matter out of washing tubs : de en
  • USD133134S - Design fob. a handbag frame : en
  • USD133122S - Automobile or similar article : en
  • DE722765C - Inlet regulator for circulating steam heaters of railway vehicles : de en
  • DE722901C - Control device for two motor groups of DC vehicles that are permanently connected in parallel : de en
  • US2290736A - Method for the production of sponge rubber : en
  • US2290218A - Garment parachute : en
  • US2290499A - Piston ring : en
  • US2290699A - Machine for debutting and husking green corn : en
  • DE722756C - Device for transferring the regulating movement from the regulating rods to the regulating shaft on guns with adjustable reverse brake, in which the regulation takes place via a lever and bevel gears : de en
  • DE722985C - Device for generating acoustic effects by means of a siren arrangement : de en
  • USD133132S - Design for a jar : en
  • FR873927A - Device for spinning artificial materials fusible by the rod melting process : en fr
  • GB546580A - Slabs for marking traffic lanes on carriageways : en
  • GB546638A - Supercharging device for aircraft engines : en
  • DE722752C - Device to prevent the joint gaps on aircraft from icing up : de en
  • DE722604C - Adaptation network : de en
  • US2290714A - Elevator dispatching system : en
  • USD133139S - Design for a spoon ok : en
  • DE719339C - Process for metallization by cathode sputtering : de en
  • FR873786A - Production process for sheet-shaped products : en fr
  • FR873982A - Sticky tape for films : en fr
  • IS322A7 - Equipment for aluminum ovens. : en is
  • US2290227A - Fuel supply system for automobile heaters : en
  • US2290319A - Transmission : en
  • FR873831A - Injection internal combustion engine with automatic ignition : en fr
  • DE722810C - Process for the refinement of printed extracts from lignite : de en
  • FR873895A - Process for the preparation of substitutes for gustatory and aromatic plant products, particularly those used for making infusions for drinking, in particular tea, and products resulting therefrom : en fr
  • US2290399A - Thermal safety switch : en
  • US2290189A - Conversion of straight chain olefins to isoparaffins : en
  • DE722885C - Inlet shoot bolt lock for windows, doors, etc. like : de en
  • GB546596A - A process for the manufacture of quaternary ammonium compounds : en
  • FR873767A - Manufacturing process of high frequency coils and electrostatic screens : en fr
  • FR873773A - Device for starting internal combustion engines : en fr
  • DE722725C - Drum magnetic separator : de en
  • FR873760A - Toggle lever pressing mechanism for machine for casting, under pressure, masses capable of being shaped : en fr
  • FR873989A - Multiple disc clutch : en fr
  • DE722787C - Pressing device, especially for pressing pulp webs : de en
  • US2290615A - Bed construction : en
  • USD133133S - Plaque for automobiles or the like : en
  • DE722811C - Steam power plant : de en
  • US2290199A - Tube-forming machine : en
  • DE722969C - Claw coupling : de en
  • US2290328A - Gauge housing construction : en
  • FR873812A - Improvements to image sensor tubes, in particular for television : en fr
  • DE722814C - Coiler furnace : de en
  • US2290345A - Resinous product having anion exchange properties : en
  • GB546682A - Improvements in or relating to the production of chromium alloys : en
  • AU209641A - Improvements in or relating to looms with stationary weft supplies : en
  • DE722973C - Device for generating and conveying air foam by means of a centrifugal pump : de en
  • US2290492A - Switching apparatus : en
  • US2290179A - Method of detecting washouts in rotary well drill strings : en
  • US2290766A - Machine tool, and especially radial drilling machine : en
  • AU203641A - Improvements in or relating tothe production of interpolymers of drying oils and polymerisable esters : en
  • US2290289A - Photographic element containing water soluble salts of alkyd resins as dispersing agents : en
  • US2290621A - Resilient support for pipes and the like : en
  • US2290171A - Cigar wrapping mechanism : en
  • US2290700A - Corn husking machine : en
  • US2290246A - Sewage control apparatus : en
  • US2290833A - Laminated wood product : en
  • US2290834A - Slider : en
  • US2290645A - Flag holder : en
  • US2290420A - Weather surfacing material : en
  • DK59983C - Drain valve. : da en
  • US2290149A - Method of making tubs : en
  • US2290849A - Electrical measuring instrument : en
  • DK59972C - Procedure for the preparation of esters of oxy compounds of the stilbene series substituted in the ethylene bridge with hydrocarbon residues. : da en
  • FR873842A - Process for regenerating waste zinc alloys containing copper : en fr
  • GB546598A - Improvements in or relating to fuel-injection apparatus for internal-combustion engines : en
  • FR873964A - Universal burden carrier : en fr
  • DE722772C - Method for soldering a cable into a carbon : de en
  • US2290747A - Spout construction for coffee mills and the like : en
  • DE722786C - Procedure for restoring spark plugs : de en
  • FR873815A - Process of plastic reproduction of sound : en fr
  • US2290239A - Milker claw construction : en
  • US2290675A - Condensation product of an aliphatic aldehyde and an unsaturated amide : en
  • US2290169A - Bread slicing machine : en
  • DE722764C - Incombustible fire-maker, especially fire-lighter : de en
  • FR873969A - Device for ultra-short waves, in particular for wavelengths of the order of one decimeter and one centimeter, intended to ensure the transition between a concentric conduct of energy and a double line consisting of metal wires or tapes : en fr
  • GB546636A - Production of composite articles with rubber : en
  • US2290442A - Process for the rectification of impure alcoholic liquids : en
  • USD133114S - Design for a flower container : en
  • USD133141S - Design for a button : en
  • AU218241A - Velocity modulated electron discharge tube : en
  • AU115507B2 - Improvements in or relating to cutting members fora dry-shaving : en
  • CA406154A - Ornamental wheel member : en fr
  • AU208741A - Improvements in or relating to metal rectifier assemblies : en
  • US2290331A - Door check for automobiles : en
  • US2290444A - Electromagnetic relay : en
  • USRE22137E - Refining of oil : en
  • US2290164A - Polymerization product of styrene and unsaturated esters and method of making the same : en
  • US2290425A - Continuous absorption refrigerating system : en
  • US2290449A - Vehicle ventilating apparatus : en
  • USD133136S - Design foe a doll : en
  • CA406176A - Aluminum and products working method : en fr
  • US2290843A - Method of recovering manganese : en
  • CA406186A - Electron lens system for electric discharge tubes : en fr
  • CA406136A - Air conditioned garment : en fr
  • CA406177A - Flask operating head : en fr
  • CA406257A - Carrier carton : en fr
  • CA406244A - Heavy oil or residue hydrogenation process : en fr
  • CA406221A - Apparatus for tensioning cord : en fr
  • US2290609A - Process for producing fatty acid polyhydric esters from glycerides : en
  • US2290654A - Azeotropical distillation with antimony trichloride : en
  • GB546577A - Improvements in motor operated step-by-stcp electric switches : en
  • US2290463A - Ventilated closure : en
  • CA406240A - Sliding fastener : en fr
  • FR873961A - Photoelectric cell : en fr
  • US2290564A - Making of bags and envelopes : en
  • US2290713A - Grille for air circulators : en
  • US2290731A - Chuck : en
  • DE721802C - Device for soundproofing rooms : de en
  • FR873867A - Manufacturing process of riveted duplicate contacts : en fr
  • GB546650A - Power lift mechanism for tractor propelled implements : en
  • USD133127S - Design for a badge ob similar article : en
  • USPP534P - Carnation : en
  • CA406250A - Wrapped package with rip cord : en fr
  • FR873813A - Improvements to amplifier systems, in particular for power amplification, in very short waves : en fr
  • DE722838C - Revolving fastener : de en
  • GB546579A - Distillation apparatus and process : en
  • FR873787A - Dispersion : en fr
  • US2290777A - Suction box : en
  • DE722972C - Pressure gas dry fire extinguisher : de en
  • US2290481A - Flame eliminating system from power take-off of combustion engines : en
  • US2290602A - Recovery of phenols and olefins : en
  • US2290411A - Process for breaking petroleum emulsions : en
  • CA406209A - Combined fluid pressure clutch brake and fly wheel : en fr
  • FR873800A - Plate springs with centering : en fr
  • FR873904A - Process for preparing oxidative transformation products : en fr
  • FR873908A - Improvements to gyroscopic devices : en fr
  • DE722753C - Device to prevent icing up of the joint gaps between the auxiliary flaps and the flap supports on aircraft : de en
  • US2290590A - Indexing mechanism : en
  • US2290446A - Railway track circuit apparatus : en
  • CA406155A - Ornamentation applying means : en fr
  • FR873780A - Process for the preparation of molded articles of thermoplastic materials and molded articles obtained by this process : en fr
  • GB546591A - Improvements in or relating to brakes : en
  • US2290391A - Strand winding device : en
  • FR873892A - Advanced anti-slip and anti-slip chain for mechanical traction vehicles : en fr
  • US2290232A - Gyroscopic instrument : en
  • US2290706A - Cable joint and method of making the same : en
  • US2290635A - Process of stuffing and finishing leather : en
  • USRE22134E - Coin selector for pay telephones : en
  • US2290818A - Silencer : en
  • US2290324A - Method of machining crankshafts : en
  • US2290181A - Tandem axle suspension : en
  • FR873752A - Further training in drilling drills : en fr
  • FR873792A - Novel cyclic ketone derived from acenaphthene and method of preparation thereof : en fr
  • DK59980C - Knotter shaft coupling for self-binding straw balers. : da en
  • CA406268A - Sugar solution treatment : en fr
  • DE722804C - Storm lantern that can be used as an air raid lantern : de en
  • FR873910A - Improvements to underground deposit prospecting processes : en fr
  • US2290829A - Fuel pump : en
  • DE722505C - Oven for the local heating of workpieces with constant supply of flammable protective gases : de en
  • FR873994A - Locomotive with steam accumulator : en fr
  • US2290783A - Regulator valve for fluids : en
  • CA406230A - Cylinder ridge reamer : en fr
  • DE722874C - Compass filled with a dampening fluid : de en
  • USD133135S - Badge or similar article : en
  • DE722854C - Piston engine with tangentially arranged cylinders : de en
  • FR873864A - Reinforcement for reinforced concrete : en fr
  • GB546594A - Improvements in and relating to the excitation of polyphase dynamo-electric machines : en
  • FR873906A - Device suitable for all hydraulic shock absorbers and used for filling them : en fr
  • FR873843A - Improvements to processes to increase the endurance of zinc alloys : en fr
  • DE722993C - Switching arrangement for the ignition point control of vapor or gas discharge paths : de en
  • CA406133A - Shoe : en fr
  • FR873872A - Survey instrument for measuring short horizontal distances and differences in altitude using a horizontal or vertical staff : en fr
  • GB546630A - Improvements in bevel-gearing : en
  • FR873804A - Process for the stabilization of synthetic rubber-like products : en fr
  • FR873782A - Weir or cofferdam dam with two or more gates or mobile elevations : en fr
  • US2290543A - Welding timer : en
  • USD133155S - Design fob a dress : en
  • CA406215A - Multi-flame welding tip : en fr
  • FR873954A - Improvements made to throttle valves, especially for high vacuum devices : en fr
  • CA406299A - Radio beacon : en fr
  • AU269941A - Production of resinous felted fibrous composition : en
  • AU271741A - Control valve : en
  • DK59989C - Street traffic signal system, which in Periods with little or no Traffic can be put out of continuous Operation. : da en
  • FR873793A - Electrical oscillation amplifier assembly : en fr
  • FR873932A - Device for fixing the terminals to the ends of the conductors : en fr
  • US2290628A - Apparatus fob feeding elastic : en
  • US2290764A - Fluid motor or pump : en
  • AU115516B2 - Improved adjustable louver shutter : en
  • FR873968A - Process for preparing sulfuric leucoesters belonging to the anthraquinone series, and products obtained according to this process : en fr
  • DE722807C - Iron pit stamp : de en
  • US2290761A - Method of edge gluing veneer strips : en
  • AU115524B2 - Production of resinous felted fibrous composition : en
  • DE722974C - Process for generating air foam for fire extinguishing purposes : de en
  • FR873758A - Improvements to hydroelectric heating radiators : en fr
  • DE722789C - Device for refining foam, in particular for fire-fighting purposes : de en
  • US2290290A - Process and apparatus for desurfacing metal bodies : en
  • US2290837A - Glass severing apparatus : en
  • US2290720A - Tar applicator for filling crevices : en
  • CA406292A - Traffic control system : en fr
  • AU115505B2 - An improved gas producer : en
  • DE722830C - Piece goods counting device with several counters connected in series : de en
  • US2290830A - Up-and-over door : en
  • US2290200A - Adhesive applying machine : en
  • USD133113S - Design for a thermometer : en
  • US2290172A - Plug-in device and socket receptacle : en
  • US2290657A - Discharge apparatus : en
  • DE722958C - Steel wire mesh strap with rubber protection designed for lifting loads : de en
  • US2290759A - Tetrachlorostyrene and method of preparing the same : en
  • FR873779A - Dual balanced modulator : en fr
  • US2290195A - Roof and floor construction : en
  • US2290773A - Electric seismograph : en
  • GB546582A - Improvements in or relating to electromagnetic switches : en
  • US2290260A - Mortise connector : en
  • US2290274A - Process of making same : en
  • US2290682A - Regulating system : en
  • US2290209A - Distillation apparatus : en
  • USD133153S - Design for a dress : en
  • US2290636A - Distillation process : en
  • DE722840C - Storage for automatic firearms arranged on aircraft : de en
  • DE722886C - Device for the production of slag and mineral wool by means of steam or compressed air jets : de en
  • FR873973A - Photographic camera with photoelectric exposure meter mounted in the device : en fr
  • US2290439A - Hydrogenolysis process : en
  • FR873849A - Hub with gear change mechanism : en fr
  • USD133101S - Design for a settee : en
  • DE722788C - Tilt protection for motorized turntable ladders : de en
  • USD133112S - Design for a cake of soap : en
  • DE722887C - Method and device for grinding garbage and similar waste : de en
  • DE722781C - Process for stabilizing pressure cooked waste from products containing nitrocellulose : de en
  • USD133138S - Design for a spoon or similar article : en
  • USRE22140E - Electric tracer control machine for : en
  • IE16289L - Electric soldering irons. : en
  • DE722763C - Drill pipe for rock drill with a larger inner longitudinal bore than required for the passage of the flush : de en
  • DE722914C - Boiler with a hot water generator built into the boiler water room : de en
  • DE722825C - Herdring : de en
  • FR873828A - Process for improving the efficiency of apparatus and machines using with expansion a working gas which flows at speeds greater than that of sound in the gas under consideration : en fr
  • FR873918A - Vaginal tampon : en fr
  • GB546649A - Sheet feeder : en
  • GB546644A - Improvements in or relating to the manufacture of tubing or sleeves of fabric formed of threads or cords : en
  • FR873997A - Method and installation for preserving fish on board fishing vessels : en fr
  • US2290216A - Dish mop : en
  • US2290428A - Ornamental article of manufacture : en
  • US2290527A - Valve adjusting mechanism : en
  • US2290660A - Electric drip coffee maker : en
  • US2290170A - Method for inspecting coated surfaces : en
  • US2290253A - Crepe yarn : en
  • US2290729A - Rubber material and method of and composition for making same : en
  • US2290744A - Insignia ornament : en
  • US2290775A - Stabilization of photoelectric electron multipliers : en
  • US2290562A - Container spinner for beverage mixers : en
  • FR873770A - Assembly to generate several pulses with phase rigidity with respect to each other : en fr
  • DK59986C - Pedal for Bicycles and Motorcycles. : da en
  • FR873844A - Improvements to the assembly process of two parts end to end by screw and nut, in particular in the case of tubes : en fr
  • GB546680A - A machine for breaking up vegetables, roots, greens and the like : en
  • DE722923C - Tiltable feed steamer made of rammed earth : de en
  • GB546675A - Improvements relating to the chemical extraction of vegetable matter : en
  • GB546558A - Improved control system for electric valve apparatus : en
  • GB546620A - Improvements in or relating to the fireproofing of fibres and fabrics : en
  • GB546655A - Method and apparatus for surveying wells : en
  • US2290297A - Target practice device : en
  • DE722682C - Process for the production of green ceramic decorations, especially underglazes : de en
  • DE722726C - Drum magnetic separator : de en
  • US2290694A - Sending unit for indicators : en
  • FR873851A - Single anode metal steam rectifier centrally located to the cathode : en fr
  • GB546617A - Process and apparatus for creating a flow of gas in apparatus for the separation of suspended particles from gaseous fluids : en
  • US2290791A - Reinforced protection for culverts : en
  • DE722989C - Gas pressure regulator : de en
  • DE722860C - High voltage switchgear : de en
  • FR873816A - Electric motor with friction clutch fitted in this motor, in particular for sewing machines : en fr
  • US2290304A - High voltage condenser : en
  • FR873899A - Improvements to store fuse devices : en fr
  • FR873921A - Improvements in carburetion : en fr
  • US2290275A - Bottle vending machine : en
  • US2290424A - Expansion joint : en
  • US2290474A - Photochemical stabilization : en
  • US2290753A - Remote tallying : en
  • GB546679A - Fountain pen : en
  • US2290158A - Automatic bag package making and filling machine : en
  • FR873896A - Improvements to electrical switchgear devices : en fr
  • US2290569A - Light modulating device for use in television receivers : en
  • US2290721A - Display box : en
  • US2290831A - Film holder : en
  • US2290613A - Rubber composition : en
  • DE722894C - Process for heating vertical smoldering furnaces : de en
  • US2290242A - Selective stage assembly : en
  • US2290238A - Flocked material and method of producing the same : en
  • FR873840A - Process for the preparation of methine dyes : en fr
  • DE722758C - Process for the production of copy models and templates for copy milling machines u. Like. Using synthetic resin : de en
  • US2290466A - Machine for perforating paper sheets : en
  • DE722952C - Overlapping two-layer three-phase winding : de en
  • GB546634A - Improvements in or relating to aerial explosive mines : en
  • CA406290A - Vibrating screen : en fr
  • US2290480A - Loading machine : en
  • US2290792A - Manufacture of spiked shoes : en
  • US2290826A - Draft regulating device for orchard heaters : en
  • US2290725A - Vibrator device : en
  • DE722877C - Photometric device for measuring or checking the reflection capacity : de en
  • DE722906C - Process for the production of azo dyes : de en
  • GB546652A - Improvements in and relating to the freeing and/or discharge of loaves or the like from the tins in which they are baked : en
  • DE697048C - Hose with an inner lining made of rubber and fabric for conducting hydrocarbons, lubricants and the like. like : de en
  • US2290692A - Antenna and support structure : en
  • FR873775A - Fiber and sheet manufacturing process : en fr
  • DE722917C - Control for counters : de en
  • US2290305A - Ingot mold coating : en
  • US2290673A - Article handling apparatus : en
  • DE722896C - Process for the production of sulfuric acid from gases containing SO : de en
  • US2290268A - Automatic fishing reel : en
  • US2290617A - Method of making inner tubes : en
  • US2290396A - Molding vessel : en
  • DE722925C - Can closure : de en
  • DE722967C - Photoelectric testing and sorting device for the detection of holes in thin-walled cylindrical hollow bodies : de en
  • USD133102S - Design for a settee : en
  • US2290735A - Automatic cathead : en
  • US2290161A - Spectacle temple : en
  • US2290702A - Hook attaching means for plug lures : en
  • GB546628A - Improvements in the manufacture of cement from blast furnace slag : en
  • DE722991C - Arrangement for the amplification and generation of undamped electrical, especially ultrashort-wave oscillations according to the lateral control principle : de en
  • CA406248A - Traffic signal system : en fr
  • FR873776A - Single sheet packaging for chi-ray films : en fr
  • DE722859C - Plug-in self-switch for side-by-side assembly : de en
  • USD133121S - Spence airplane : en
  • US2290300A - Automobile heater : en
  • US2290760A - Voltage tester : en
  • CA406223A - Fuel hose nozzle : en fr
  • GB546557A - Manufacture of new benzene-sulphonamido derivatives : en
  • FR873958A - Process for preparing aliphatic or alicyclic hydrochlorides : en fr
  • AU211541A - Improvements in or relating toa. C. electric circuit-breakers ofthe gas-blast type : en
  • US2290639A - Overvoltage protector : en
  • US2290162A - Vapor and liquid contact apparatus : en
  • US2290489A - Relay : en
  • US2290522A - Cellulose ether composition : en
  • US2290251A - Fluid controlling valve : en
  • US2290175A - Self-locking nut : en
  • US2290383A - Display printing machine : en
  • US2290412A - Methylene diamine ester and method of making same : en
  • AU174241A - Improved apparatus forthe manufacture of confections, particularly chocolate roughs, coconut roughs and like confections : en
  • US2290213A - Bearing assembly : en
  • US2290633A - Coated paper and paper products : en
  • US2290574A - Moisture measuring device : en
  • US2290596A - Bowling alley surfacing and leveling machine : en
  • US2290349A - Valve : en
  • USD133094S - Design for a combined chair and storage cabinet : en
  • CA406281A - Ultra short wave altimeter for aircraft : en fr
  • USD133120S - Design for an electric fan : en
  • DE722567C - Process for the production of acidic dyes of the anthraquinone series : de en
  • DE722919C - Coupling lock secured against unintentional opening : de en
  • USD133140S - Design for a spoon or similar article : en
  • US2290495A - Circuit breaker : en
  • CA406271A - Printing telegraph apparatus : en fr
  • DE722895C - Cutting device for paper or the like : de en
  • CA406285A - Reversible pallet : en fr
  • USD133128S - Design for a badge or similar article : en
  • DE722998C - Lid closure for photographic cameras : de en
  • GR9923B - METAL PLATE OF BUILDINGS HEAT INSULATION. : el en
  • US2290652A - Mine car transporting vehicle : en
  • GB546674A - Improvements connected with hand shearing tools : en
  • GB546625A - Improvements in and relating to air or gas blast electric switches : en
  • FR873960A - Dyes capable of being developed with copper compounds : en fr
  • GB546653A - Improvements in or relating to electric power systems : en
  • US2290248A - Smoking pipe : en
  • US2290669A - Game : en
  • CA406150A - Cushion seat template : en fr
  • CA406297A - Phase modulation radio receiver : en fr
  • US2290664A - Separating apparatus : en
  • US2290772A - Automatic regulating system for pressure-fired steam generators or the like : en
  • USD133115S - Combined stand and electric pan : en
  • CA406277A - Permanent magnetic chuck : en fr
  • US2290256A - Pneumatic tool : en
  • USRE22139E - Adjustable inductance : en
  • GB546601A - Improvements in or relating to fuse carriers for cartridge type fuses : en
  • GB546677A - Improvements in or relating to systems for maintaining a constant mean frequency in transmissions by frequency modulated carrier wave : en
  • CA406156A - Rapid sand filter for water : en fr
  • US2290544A - Liquid fuel burner : en
  • US2290180A - Polyvinyl acetal sheet material : en
  • DE722910C - Rotatable connection for the hose of a vacuum cleaner : de en
  • US2290685A - Flocked material and method of producing the same : en
  • CA406158A - Hollow rubber ball moulding appliance : en fr
  • US2290437A - Eye operation mask : en
  • US2290188A - Machine for forming and applying shunts : en
  • CA406262A - Heating and humidifying system : en fr
  • US2290697A - Ship's propulsion device : en
  • AU208341A - Improvements in or relating to electron discharge apparatus : en
  • US2290548A - Gluing method : en
  • US2290367A - Circuit breaker with an automatic and manual release : en
  • FR873877A - Folding articulated trestle : en fr
  • US2290392A - Wax coating composition and method of preparation : en
  • US2290600A - Vinyl alcohol-acrylic or methacrylic ester copolymers : en
  • US2290722A - Collapsible garment hanger : en
  • AU3641A - Thermal insulation : en
  • US2290703A - Motor vehicle : en
  • US2290795A - Enamelware : en
  • US2290203A - Pinking shears : en
  • CA406151A - Manhole frame reseating machine : en fr
  • DE722743C - Casting mold made from stacked, plate-shaped molded parts : de en
  • CA406157A - Bimetallic flat metal product producing apparatus : en fr
  • US2290610A - Auxiliary carburetion device for supercharged internal combustion engines : en
  • US2290534A - Brush and process for cleaning telephone dials : en
  • DE722819C - Device for controlling the armature current of direct current generators for electric arc welding : de en
  • US2290624A - Method of making tires : en
  • CA406204A - Titanium dioxide pigment : en fr
  • FR873924A - Process for separating unsaponifiable constituents from their mixtures or compounds with saponifiable constituents : en fr
  • CA406182A - Fuel injection apparatus : en fr
  • CA406278A - Ultra-high frequency transmission system : en fr
  • US2290460A - Vehicle for transporting granular material : en
  • US2290388A - Demountable wheel : en
  • US2290484A - Bearing : en
  • DE722999C - Piston drive on filling machines for thin and thick liquids : de en
  • AU469342A - Improved adjustable louver shutter : en
  • US2290279A - Zinc sulphide pigment : en
  • US2290185A - Protected fluid container : en
  • DK59971C - Roll with steam-heated, hollow Rolling table. : da en
  • FR873893A - Improvements to speedometer controls for cycles and motorcycles : en fr
  • CA406232A - Photographic shutter : en fr
  • DE722842C - Nozzle for a propeller : de en
  • US2290557A - Machine and method for perforating plasterboard : en
  • US2290379A - Pulverizing mill : en
  • US2290526A - Spark gap : en
  • US2290310A - Desk calendar : en
  • US2290656A - Apparatus for manufacture of : en
  • US2290693A - Gaseous electric discharge apparatus : en
  • FR873821A - Electric discharge tube : en fr
  • US2290357A - Toothbrush : en
  • CA406203A - Camera shutter : en fr
  • US2290223A - Tape cutter : en
  • US2290659A - Parasitic oscillation suppressor : en
  • CA406191A - Lamp basing machine : en fr
  • CA406256A - Multiphase gaseous discharge tube system : en fr
  • AU115499B2 - Improvements in dynamo electric machinery : en
  • US2290369A - Structural body : en
  • US2290502A - Apparatus for forming subterranean cavities : en
  • DE722746C - Process for the detection of defects caused by glazing on thin non-metallic surface layers applied to a metallic base : de en
  • US2290262A - Salts of dimethylene dithiocarbamic acids : en
  • US2290658A - Electrical heated cooking grill : en
  • US2290741A - Impregnated fiberboard : en
  • US2290221A - Vehicle for transporting bulk granular material : en
  • US2290799A - Rotary slip : en
  • US2290400A - Camera stand : en
  • US2290689A - Hair clipping or shaving device : en
  • US2290407A - Osteopathic device : en
  • US2290433A - Fishing lure : en
  • US2290339A - Block mold : en
  • US2290663A - Bookbinding : en
  • USRE22141E - Suction cleaner : en
  • US2290228A - Color picture : en
  • CA406181A - High tension magnet coil : en fr
  • US2290774A - Oil well swab : en
  • CA406269A - Motor control and phasing system : en fr
  • CA406282A - Electric transformer : en fr
  • US2290451A - Bicycle hub and method of making it : en
  • US2290498A - Liquid circuit breaker : en
  • AU115525B2 - Improved apparatus forthe manufacture of confections, particularly chocolate roughs, coconut roughs and like confections : en
  • CA406185A - Electric lamp : en fr
  • CA406293A - Circuit control system : en fr
  • AU115493B2 - Method and means for joining metallic bodies : en
  • CA406217A - Comminuted solid distributing apparatus : en fr
  • US2290441A - Well cleaning device : en
  • US2290287A - Motion picture projection apparatus : en
  • US2290776A - Attaching device : en
  • US2290836A - Combined crusher and freezer : en
  • US2290839A - Method of and apparatus for dispensing liquefied gas mixtures : en
  • DE722916C - Ring scales : de en
  • FR873756A - Process for the color development of silver halide emulsion layers with dye components : en fr
  • GB546651A - Improved lubricating means for fuel injection pumps : en
  • DE722987C - Signaling device for the overtaking traffic of motor vehicles : de en
  • US2290243A - Offset harrow : en
  • DE722848C - Control device with feedback for electrically controlled drive motors, especially in composite conveyor systems : de en
  • DE722900C - Cold distributor as an evaporation system with dry ice condenser and basket-like or cage-like evaporator : de en
  • DK59988C - Fireproof type firearms. : da en
  • AU210041A - Improvements in dynamo electric machinery : en
  • CA406183A - Engine starter : en fr
  • DE722793C - Bolt lock for double-leaf windows with tiltable skylight : de en
  • DE722809C - Process for the preparation of indole compounds : de en
  • DE722796C - Signal receiving device on motor vehicles : de en
  • FR873761A - Cooling air guiding system in air-cooled combustion machines and more especially for aircraft engines : en fr
  • US2290525A - Honing machine : en
  • CA406266A - Air conditioning system : en fr
  • DE722953C - Pole-changing winding : de en
  • US2290153A - Temperature controlling device : en
  • US2290434A - Vibratory conveyer and screen : en
  • FR873826A - Line with articulated trestle supports and independent conductors : en fr
  • CA406159A - Window ventilator : en fr
  • DE718888C - Process for the production of hexachloroethane : de en
  • CA406205A - Ignitron system : en fr
  • US2290375A - Floor-polishing apparatus : en
  • US2290454A - Mechanical toothbrush : en
  • CA406170A - Aircraft altitude ascertaining apparatus : en fr
  • US2290457A - Fur stretcher : en
  • CA406239A - Food and beverage containing milk or cream : en fr
  • US2290347A - Heating system : en
  • CA406134A - Vacuum tube socket : en fr
  • GB546587A - Improvements in or relating to heavier-than-air aircraft : en
  • DE722797C - Ski binding : de en
  • GB546678A - Improvements in or relating to air compressors : en
  • DE722891C - Dough press made of a pot with dough outlet holes and a hand stamp : de en
  • US2290165A - Method of dehydrating castor oil : en
  • US2290487A - Flashlight head : en
  • US2290549A - Process for the separation and recovery of metals from metallic alloys : en
  • AU252441A - An improved gas producer : en
  • IE16290L - Electric soldering apparatus. : en
  • FR873853A - Advanced training in handling equipment : en fr
  • GB546633A - Improvements relating to apparatus for temporarily closing gas mains and the like with the use of an inflatable stopper bag : en
  • US2290389A - Fastening means for rimless glasses : en
  • US2290815A - Handle for remote control : en
  • US2290734A - Manufacture of metal products : en
  • FR873956A - Process for coating articles, in particular with a view to modifying their appearance and resistance, and articles obtained by this process : en fr
  • FR873805A - Metal steam discharge vessel : en fr
  • FR873869A - Supports for correcting hammer toes and other similar disabilities : en fr
  • FR873936A - Two-stroke internal combustion engine : en fr
  • GR9924B - BUILDING PLATE HEAT INSULATION. : el en
  • FR873949A - Compression plant : en fr
  • US2290637A - Generator : en
  • GB546575A - Improvements in or relating to ships navigation lanterns : en
  • FR873905A - Pendulum eye-catcher advertising device : en fr
  • CA406149A - Window for trailers : en fr
  • SE105013C1 - : sv
  • FR873931A - Device for applying seamless coatings, rubber or the like, to wires or electrical conductors : en fr
  • DE722853C - Device for producing a gas suction device for chamber furnaces : de en
  • DE722883C - Arrangement of an engine in the fuselage tail of an aircraft : de en
  • US2290566A - Lens centering, marking, and testing instrument : en
  • DE722299C - Process for making bread and other pastries : de en
  • FR873822A - Electrical assembly for amplification and transformation, in frequency of electrical oscillations, of very high frequency : en fr
  • FR873981A - Process for extracting resin from tomato peels : en fr
  • FR873998A - Monobloc arrangement of a helical torque with a polycylindrical piston, steam or other engine : en fr
  • FR873772A - Self-tightening cotter pin : en fr
  • FR873990A - Slip clutch : en fr
  • GB546654A - Processes for hydrolyzing fats : en
  • GB546554A - Improvements in or relating to sound recording : en
  • FR873923A - Removable wheel hitch device for trailer : en fr
  • DK59982C - Air cooling device for Engines with Cylinders located in a horizontal plane. : da en
  • FR873858A - Advanced wood-fired gasifier : en fr
  • GB546645A - Improvements in or relating to the manufacture of concrete articles by extrusion : en
  • DE722832C - Bar for grain binder reel : de en
  • GB546660A - Improvements in and relating to hydraulic operating mechanism for gun turrets and other rotatable structures : en
  • DE720336C - Candle tester trained as a screwdriver for motor vehicles : de en
  • DE722734C - Installation switch with toggle switch : de en
  • DE722982C - Device for securing the bike and the air pump at the same time : de en
  • DE722695C - Control device for electrical power generator sets, in particular Leonard dynamos : de en
  • DE722757C - Rohrruecklaufgeschuetz with a cradle : de en
  • DE722994C - Transmission gear for calibration counter : de en
  • US2290427A - Bearing puller : en
  • US2290448A - Telephone impulse sender : en
  • AU115510B2 - Thermal insulation : en
  • AU115491B2 - Improvements in or relating tothe production of interpolymers of drying oils and polymerisable esters : en
  • US2290482A - Instrument for making measurements : en
  • FR873941A - Improvements to protected chi-ray tubes : en fr
  • US2290842A - Window channeling : en
  • DE722889C - Device for the electrostatic separation of fine-grained mixtures : de en
  • DE722911C - Curtain iron with cord guide : de en
  • US2290370A - Garment : en
  • USD133156S - Design for a dress : en
  • US2290277A - Hair drying unit headrest : en
  • FR873823A - Elastic coupling for railway vehicle generators : en fr
  • US2290330A - Method of and apparatus for testing properties of materials : en
  • US2290237A - Discharge for separators : en
  • US2290845A - Catalytic process for treating hydrocarbons : en
  • US2290585A - Table for multiple negative duplicator machines : en
  • DE722959C - Sheet metal foot for tall stoves : de en
  • GB546635A - Improvements in hydraulic valves : en
  • DE722926C - Control device for ship stabilization systems : de en
  • FR873944A - Device for adjusting the pressure prevailing in gas-filled bodies, in particular in rigid aerostats or balloons fitted with balloons : en fr
  • US2290390A - Shoe : en
  • DE722817C - Installation circuit breaker : de en
  • DE722767C - Rotary switch with a two-part rotary switch body that receives the centrifugal spring : de en
  • DE722774C - Measuring device for ohmic resistances to determine the percentage deviation of your resistance value from a nominal value using a tube megohmmeter with adjustable grid resistance : de en
  • FR873903A - Improvements made to propeller machines, particularly boats of this type : en fr
  • GB546671A - Improvements in or relating to the preparation of shoes for a conforming operation thereon : en
  • US2290294A - Process of tanning hides and skins : en
  • US2290506A - Refrigeration : en
  • DE722951C - Stator plate pack for electrical machines, especially for single-phase induction motors : de en
  • GB546564A - Improvements in the surface hardening of bombs or like metal objects : en
  • GB546613A - A process for the manufacture of carboxylic acid chlorides of quaternary ammonium compounds : en
  • DE722607C - Method for better utilization of the transmission path : de en
  • FR873862A - Method for manufacturing selenium rectifier valve discs : en fr
  • GB546665A - Manufacture of azo dyestuffs : en
  • US2290455A - Protective device : en
  • US2290762A - Machine for edge gluing veneer strips : en
  • GB546563A - Improvements in wheel hubs : en
  • US2290582A - Cathode ray tube : en
  • DE722995C - Practically directional moving coil relay : de en
  • US2290266A - Game : en
  • GB546667A - Improvements in the production of composite photographic prints : en
  • USD133126S - Woods airplane : en
  • US2290196A - Aeronautical propeller : en
  • US2290435A - Quinhydrones from vat dyestuffs and process of making same : en
  • FR873966A - Motion picture film projector with uniform forward motion and optically compensated image displacement : en fr
  • US2290445A - Spur : en
  • US2290552A - Heat treating furnace : en
  • DE722851C - Lifting device for removing the wort from the top layer : de en
  • FR873847A - Method and device for producing exactly known quantities of heat, in particular for calorimetric applications : en fr
  • DE722978C - Automatic circuit for gear change or continuously variable transmissions of motor vehicles or the like. : de en
  • DK59978C - Mounting machine, especially for gas and electricity meters. : da en
  • FR873957A - Cable-operated clamp carriage drawing bench : en fr
  • GB546611A - Improvements in or relating to photo-electric barrier layer cells : en
  • USRE22138E - Gyromagnetic compass : en
  • DE722792C - Device for rapid cooling of cooked sausages : de en
  • FR873873A - How to prepare soap substitutes : en fr
  • FR873835A - Method of constructing reinforced concrete buildings using twisted bars : en fr
  • FR873827A - Device to reduce transient oscillations : en fr
  • GB546562A - Improvements in or relating to the production of wax-like resinous compositions : en
  • FR873771A - Process for manufacturing ceramic objects and objects obtained by this process : en fr
  • US2290267A - Garment pressing machine : en
  • US2290473A - Method and apparatus for controlling concentration : en
  • US2290767A - Fluoroscope : en
  • FR873963A - Improvements to electrical assemblies intended to amplify and separate two or more oscillations : en fr
  • GB546668A - Aircraft landing systems : en
  • US2290217A - Mop squeezer : en
  • DE722798C - A heel part and tensioner lever as well as a joint strap used to shorten and lengthen the ski binding : de en
  • US2290717A - Signal structure : en
  • GB546662A - Improvements in or relating to rail joints : en
  • CA406188A - Lamp exhausting and sealing apparatus : en fr
  • CA406246A - Traffic signal : en fr
  • US2290240A - Seeding attachment : en
  • US2290313A - Process for separating nickel and cobalt in solutions : en
  • US2290198A - Electromechanical relay : en
  • FR873753A - Method and device for the continuous metering of the constituents of a gas mixture : en fr
  • US2290166A - Close fitting, insulating, watertight underwear : en
  • GB546672A - Improvements relating to apparatus for the analysis of gases : en
  • US2290329A - Nursery chair : en
  • US2290395A - Thread milling machine : en
  • GB546588A - Improvements in or relating to aircraft : en
  • DE722915C - Device for measuring rod forces : de en
  • FR873891A - Detachable wheel : en fr
  • USD133106S - Cushion support for furniture : en
  • DE722591C - Process for the production of alcohol sulfonates by sulfonating alcohols or mixtures of substances containing alcohols : de en
  • DE722966C - Device for the continuous recording of the limit values of loads on materials testing machines that change in opposite directions : de en
  • US2290505A - Safety skid for mine cars : en
  • US2290785A - Proportioning burner : en
  • DE722760C - Loader with a pick-up head provided with several scoop points and an adjoining conveyor tube : de en
  • FR873871A - Icing detectors based on the selective distribution of frost according to certain geometric profiles : en fr
  • GB546626A - Improvements in or relating to the prevention of ice accretion : en
  • US2290343A - Heating device : en
  • US2290540A - Drying hanger : en
  • FR873766A - Process for obtaining rolled taps : en fr
  • DE722773C - Device for displaying or recording small changes in resistance with an automatically balancing direct current branching circuit that acts as a differential circuit : de en
  • GB546683A - Improvements relating to the production of baked goods : en
  • DE722739C - Adhesive : de en
  • FR873794A - Improvements to electric lamps and their supports : en fr
  • FR873979A - Dyes capable of being developed with copper compounds : en fr
  • US2290587A - Phase modulator : en
  • DK59975C - Radio receiver with Page Tuning. : da en
  • CA406242A - Hydrocarbon product hydrogenation process : en fr
  • US2290159A - Frequency modulation system : en
  • US2290438A - Venting device : en
  • US2290184A - Means for and method of forming tubing : en
  • US2290513A - Centrifugal clutch : en
  • US2290847A - Carpet sweeper : en
  • US2290177A - Valve : en
  • US2290846A - Therapeutic agent : en
  • US2290539A - Preparation of rutile titanium dioxide : en
  • US2290285A - Freewheeling device for bicycles : en
  • US2290597A - Vacuum-cleaner bag emptying device : en
  • US2290786A - Folding bed rest for beaches, camps, etc. : en
  • US2290245A - Power lift for implements : en
  • US2290348A - Container : en
  • US2290233A - Remote control system : en
  • CA406153A - Hip-rest : en fr
  • AU115521B2 - A composition for plugging walls : en
  • CA406235A - Cadmized bearing : en fr
  • CA406152A - Design forming method in polarizing materials : en fr
  • USD133117S - Support for telephone base and hand set : en
  • US2290154A - Process for breaking petroleum emulsions : en
  • US2290247A - Pipe racker : en
  • US2290804A - Ingot mold : en
  • AU115503B2 - An improved container and method of packaging materials : en
  • AU115526B2 - Improvements in or relating tothe shaping of shoe soles andthe like : en
  • DE722775C - Process for the continuous production of spinning solutions from cellulose derivative solutions : de en
  • US2290386A - Machine for manufacturing tying members : en
  • US2290501A - Ignition means : en
  • US2290403A - Irrigation pipe joint : en
  • DE722863C - Automatic control device : de en
  • AU115514B2 - Improvements in or relating to small ware looms : en
  • DK59985C - Gearshift device for Motorcycles, in particular Lightweight Motorcycles. : da en
  • CA406303A - Fluid delivery meter : en fr
  • CA406174A - Aluminum base alloy heat treatment : en fr
  • US2290447A - Motion picture projector : en
  • US2290779A - Railway truck structure : en
  • US2290194A - Process of producing molybdenum containing alloys : en
  • AU115527B2 - Improvements in and relating to paper creping treatment : en
  • AU115506B2 - An improved oil burning attachment to heating appliances : en
  • CA406302A - Semi-automatic wrench : en fr
  • US2290264A - Attachment for cameras : en
  • CA406286A - Night latch : en fr
  • SE105079C1 - : en
  • US2290850A - Folding wing airplane : en
  • US2290422A - Fish lure : en
  • FR873926A - Ceramic filters for filtering chemically active compressed gases : en fr
  • CA406241A - Locomotive valve : en fr
  • USD133108S - Design for a fence : en
  • AU201341A - Improvements in or relating to carrier wave signalling systems : en
  • US2290156A - Firearm : en
  • US2290598A - Twin slide fastener mattress for studio couches, sofa beds, etc. : en
  • US2290325A - Excavating machine : en
  • AU115512B2 - Wideband antenna : en
  • DE722783C - Method of treating vegetable gum : de en
  • US2290321A - Piston ring : en
  • US2290453A - Electrical key switching device : en
  • US2290478A - Contact copying apparatus : en
  • US2290801A - Display device : en
  • US2290568A - Coke oven leveler bar sealing device : en
  • US2290594A - Fire extinguisher : en
  • US2290201A - Multichannel start-stop telegraph system : en
  • US2290293A - Power transmission means : en
  • US2290477A - Combined bulldozer and trail builder : en
  • US2290378A - Combined bath brush, soap holder, and spray : en
  • US2290581A - Light valve : en
  • US2290751A - Program holder : en
  • DE722799C - Electric screwdriver : de en
  • DE722801C - Nozzle cooler, especially for aircraft : de en
  • DE722816C - Arrangement for reducing the influence of mains voltage fluctuations on the voltage generated by a rectifier that feeds a battery, in particular a reserve battery that is rarely used, and for simultaneously achieving a breakover characteristic : de en
  • DE722875C - Method for measuring the amount of wind conveyed by propeller fans : de en
  • DE722984C - Meat grinder knife : de en
  • DE722677C - Resilient contact wire suspension : de en
  • US2290202A - Internal combustion engine : en
  • US2290273A - Composition and method for treating cast iron : en
  • US2290737A - Excavating and loading attachment for motor driven dump trucks : en
  • FR873938A - Automotive : en fr
  • USD133096S - Design for a shuttle case bearing : en
  • DE722619C - Ointment base : de en
  • DE722747C - Damping device between the internal combustion engine fuel supply and the variable speed screw speed control element in aircraft engines : de en
  • DE722827C - Electromechanical sound recorder or pickup : de en
  • FR873857A - Ascending and descending annealing furnace for sheets and large dishes : en fr
  • FR873935A - Auxiliary motor bicycle housed in the rear wheel : en fr
  • DE722844C - Slicer : de en
  • US2290298A - Automobile heater : en
  • US2290757A - Air conditioning system : en
  • FR873885A - Improvements to electric heating devices : en fr
  • FR873866A - Device for the remote control of information transmission devices : en fr
  • GR9922B - AIRCRAFT CAR SYSTEM MANUFACTURING SYSTEM. : el en
  • FR873837A - Process for the production of zippers with u-links : en fr
  • US2290709A - Circuit interrupter : en
  • US2290219A - Door closing device : en
  • US2290408A - Exploration of boreholes : en
  • DE722865C - Electric high pressure discharge lamp : de en
  • US2290763A - Method of tempering glass articles : en
  • US2290797A - Universal governor : en
  • GB546556A - Improvements relating to the manufacture of studded chain links : en
  • DE722729C - Process for improving the wet fastness properties of ice paints : de en
  • DE722815C - Carrier stream telephony system with two carrier streams and intermediate amplifier stations : de en
  • US2290727A - Dead locking tubular night latch : en
  • FR873993A - Process for the manufacture of polycondensation products and products, capable of being shaped, obtained by this process : en fr
  • USD133147S - Design for a dress : en
  • DE722751C - Process for the manufacture of filters for suspended matter : de en
  • FR874000A - Process for the manufacture of an interior trim in helical springs for seat bottoms, box springs, etc. : en fr
  • US2290470A - Method of and apparatus for dehydrating liquid products : en
  • US2290493A - Meat treatment : en
  • CA406275A - Sticker packet : en fr
  • US2290494A - Binding device : en
  • FR873751A - Combined pneumatic device making it possible to regulate the power of a device with free pistons, and, incidentally, its operating safety and its starting : en fr
  • FR873846A - New dyes from the merocyanine series : en fr
  • FR873848A - Radioelectric receiver fitted with a receiving frame consisting of one or a few turns : en fr
  • GB546605A - Improvements in or relating to statistical machines : en
  • SE105011C1 - : en
  • CA406137A - Collapsible box, case and crate : en fr
  • AU204641A - Compositions for use in horticulture and agriculture : en
  • FR873798A - Device for determining unintentional frequency modulations in amplitude modulated transmitters : en fr
  • US2290547A - Styrene polymer : en
  • DE722937C - Pneumatic tube system : de en
  • US2290187A - Air turbine speed controlling device : en
  • US2290352A - Liquid control device for duplicating machines : en
  • US2290625A - Tire tread : en
  • GB546616A - A process for the production of acetylene : en
  • FR873785A - Electron tube : en fr
  • FR873789A - Wood-burning gasifier : en fr
  • US2290354A - Geophysical instrument mounting : en
  • DE722656C - Process for increasing the shelf life of butadiene polymers : de en
  • US2290340A - Concrete block mold : en
  • US2290567A - Method of coagulating aqueous dispersions of or containing rubber : en
  • FR873838A - Articulated sole in wood or other material : en fr
  • GB546599A - Improvements relating to headwear : en
  • US2290509A - Refrigeration : en
  • US2290571A - Rectal dilator : en
  • US2290695A - Traffic signal : en
  • FR873962A - New molding material and manufacturing process : en fr
  • FR873943A - Improvements to the adjustment of fixed capacitors : en fr
  • DE722640C - Drive of the drying drum provided with a slip clutch in rotary printing presses, in particular rotogravure printing presses : de en
  • GB546640A - Improvements in or relating to motor fuels : en
  • GB546661A - Improvement in process for producing anhydrous magnesium sulphate which may be subsequently converted into crystallized epsom salt : en
  • FR873881A - Oleo-pneumatic shock absorber : en fr
  • DE722884C - Device for convex grinding on cylindrical grinding machines, roll grinding machines and similar machines : de en
  • AU209441A - Improvements in and relating to paper creping treatment : en
  • US2290565A - Hoisting sling : en
  • CA406227A - Flame or temperature operated switch control device : en fr
  • CA406270A - Telegraph bias transmitter : en fr
  • AU115528B2 - Improvements in or relating to looms with stationary weft supplies : en
  • FR873914A - Improvements to automatic disc-changing mechanisms for gramophones and similar speaking machines : en fr
  • CA406298A - Oil sand processing : en fr
  • US2290687A - Inner tube : en
  • US2290809A - Dust spraying apparatus : en
  • US2290750A - Illuminated clock : en
  • US2290616A - Wheel construction : en
  • CA406135A - Dating device for cameras : en fr
  • CA406169A - Electric liquid heater : en fr
  • AU115523B2 - Sound absorbing apparatus and methods : en
  • CA406211A - Internal combustion engine : en fr
  • CA406146A - Food refrigerating and handling apparatus : en fr
  • USRE22136E - Refining of oil : en
  • US2290710A - Morpholine periodide : en
  • CA406166A - Straight line harrow disc : en fr
  • US2290503A - Treatment of silk : en
  • USD133123S - Design for, a slip : en
  • US2290701A - Mounting socket : en
  • US2290824A - Coal breaking machine : en
  • DE722808C - Filter plate : de en
  • CA406287A - Aircraft navigation apparatus : en fr
  • GB546578A - Improvements in or relating to collapsible tubular containers : en
  • FR873980A - Interior pressure chamber for airplanes flying at high altitude : en fr
  • GB546572A - Improvements in or relating to aircraft launching apparatus : en
  • CA406197A - Pigment production : en fr
  • CA406251A - Bean and pea treatment : en fr
  • FR873865A - Electric current converter device : en fr
  • GB546639A - Method of and means for controlling the supply of water to conduits : en
  • US2290155A - Tire tool : en
  • US2290456A - Conveyer : en
  • CA406219A - Welding method : en fr
  • DE722964C - Automatic stop device for the supply line of liquid measuring devices with volume presetting : de en
  • US2290806A - Still : en
  • FR873970A - Process to improve the taste, smell and color of beer : en fr
  • FR873817A - Footwear and its manufacturing process : en fr
  • US2290337A - Alleviator : en
  • FR873757A - Device for the treatment of materials or others by sound waves : en fr
  • US2290430A - Internal coupling for awning rollers : en
  • US2290528A - Heat exchanger : en
  • US2290756A - Heel knitting machine : en
  • FR873784A - Tube carrying out the concentration of electronic current : en fr
  • FR873808A - Adjustable pressure oil sprayer : en fr
  • FR873888A - Fast heating shield plate for electric heaters : en fr
  • FR873886A - Process for lowering the firing temperature of any ceramic paste : en fr
  • CA406273A - Spring for resilient wheels : en fr
  • DE722939C - Pliers for bending cotter pin ends : de en
  • CA406162A - Piston ring manufacture : en fr
  • DK59973C - Microphone for Retention between Ear and Shoulder. : da en
  • US2290353A - Automotive brake : en
  • USRE22144E - Sewage treatment : en
  • FR873765A - Device for lowering the electrical stiffness in any environment : en fr
  • FR873819A - Process for preparing leukosulfonic esters of 1-arylaminoanthraquinone : en fr
  • GB546647A - Improvements in or relating to the production of alkali cellulose and cellulose derivatives : en
  • FR873883A - New annuity security system or any other transferable security and its method of use : en fr
  • CA406163A - Vehicle coupling : en fr
  • GB546559A - Improvements in photographic materials : en
  • FR873930A - Improvements to vehicle bodies : en fr
  • US2290485A - Maternity garment : en
  • US2290620A - Vehicle suspension : en
  • US2290820A - Child's garment : en
  • DE722805C - Headlights for vehicles : de en
  • FR873942A - Further development of t receiving devices. s. f. superheterodynes : en fr
  • US2290234A - Buckle : en
  • US2290380A - Machine for hose construction : en
  • US2290678A - Pivotal connection : en
  • DE722945C - Cam control device for steam engines : de en
  • CA406236A - Nickel and alloy coating process : en fr
  • CA406289A - Dye manufacture : en fr
  • DE722467C - Process for the production of organozinc compounds : de en
  • GB546560A - An improved sanitary container : en
  • GB546673A - Improved process for imparting non-shrinkage properties to yarns and fabrics : en
  • FR873917A - Installation of silos for green fodder and conservation process : en fr
  • FR873818A - Cycles with auxiliary motor, spring loaded : en fr
  • DE722820C - Electric motor with planetary roller gear mounted on the same axis as the motor shaft : de en
  • US2290301A - Luminaire for tubular lamps : en
  • CA406145A - Comestible freezing and handling apparatus : en fr
  • US2290471A - Method of and apparatus for controlling concentration : en
  • CA406252A - Tin plating of aluminium : en fr
  • FR873796A - Press for the production of agglomerates : en fr
  • US2290148A - Support : en
  • US2290359A - Brush retainer : en
  • US2290504A - Carton : en
  • US2290536A - Container : en
  • AU115498B2 - Improvements in or relating to metal rectifier assemblies : en
  • US2290475A - Battery clamp tool : en
  • US2290236A - Rotary abrading tool : en
  • USD133137S - Design for a flag or similar article : en
  • CA406288A - Azo-dye : en fr
  • DE722771C - Electric water turbine unit in which the impeller outer rim of the water turbine carries the rotating poles of the associated synchronous generator : de en
  • US2290541A - Lapping or honing : en
  • US2290168A - Printing press : en
  • US2290235A - Pest control : en
  • US2290650A - Circuit controller : en
  • CA406245A - Signalling system : en fr
  • US2290677A - Grease gun adapter : en
  • US2290707A - Composition for preventing moisture from attacking paint films on surfaces of porous masonry from therebelow : en
  • US2290819A - Electron discharge device and circuit : en
  • US2290649A - Synthetic resin from phenols and acetylenic acids : en
  • US2290231A - Continuous facsimile synchronizing system : en
  • US2290355A - Preservation of desiccated biologically active substances : en
  • US2290712A - Fertilizer distributor : en
  • US2290183A - Spring suspension for vehicles : en
  • CA406234A - Hosiery : en fr
  • GB546603A - Improvements in or relating to statistical machines : en
  • DE722878C - Display device, especially for aircraft and vehicles : de en
  • GB546622A - Improvements in or relating to airscrews : en
  • CA406258A - Mercaptan removal from mercaptide solutions : en fr
  • DE722778C - Machine for the production of tablet glasses, ampoules and other hollow glass bodies : de en
  • FR873907A - Improvements in the treatment of materials containing synthetic proteins and in the products thus obtained : en fr
  • US2290599A - Chemical feeding device : en
  • US2290510A - Apparatus for molding spongelike articles : en
  • US2290822A - Radio program selector and identifier : en
  • DE722732C - Loudspeaker system for dynamic loudspeakers : de en
  • US2290186A - Luminescent coating for electric lamps : en
  • US2290572A - Stove utility drawer : en
  • US2290641A - Electric switch : en
  • US2290358A - Sprinkler system with pressure tank water supply : en
  • US2290593A - Fluid seal : en
  • DE722800C - Transverse hole current transformer : de en
  • US2290519A - Game : en
  • US2290638A - Combination garment : en
  • US2290742A - Removable tank heater : en
  • US2290360A - Gas range : en
  • US2290421A - Flexible coupling : en
  • US2290570A - Telephone and like system : en
  • US2290584A - Miniature railway and method of assembling the same : en
  • US2290283A - Apparatus for heat treating metal bodies : en
  • US2290648A - Biscuit cutter : en
  • CA406144A - Comestible multi-stage freezing apparatus : en fr
  • CA406168A - Friction clutch : en fr
  • US2290338A - Method of manufacture : en
  • US2290640A - Method of making machinery packing : en
  • US2290696A - Automatic friction clutch : en
  • US2290711A - Co2 recovery apparatus : en
  • AU115522B2 - Improvements in or relating toa. C. electric circuit-breakers ofthe gas-blast type : en
  • AU203141A - Improvements relating to the fuel feed control of oil stoves and the like : en
  • US2290479A - Hydraulic control system : en
  • US2290704A - Wire stretcher : en
  • FR873754A - Reversible aluminum copper connector block for electrical conductors : en fr
  • FR873863A - Apparatus, and in particular rectifier, composed of cells with a barrier layer : en fr
  • FR873763A - New fibrous product and manufacturing process : en fr
  • USD133103S - Design for a settee : en
  • SE105075C1 - : sv
  • US2290416A - Composition of matter and process for preventing water-in-oil type emulsions resulting from acidization of calcareous oil-bearing strata : en
  • FR873912A - Evaporator for central heating radiators : en fr
  • DE722880C - Adjustable stop on garden rake : de en
  • FR873854A - Treatment of dehydration : en fr
  • US2290813A - Compressor shaft seal : en
  • FR873987A - Hydraulically actuated friction clutch : en fr
  • GB546584A - Improvements in or relating to electric discharge tubes : en
  • FR873937A - Gear switch : en fr
  • US2290691A - Electrical connector : en
  • US2290788A - Slush pump : en
  • US2290377A - Anode modulated tube : en
  • US2290646A - Starting apparatus for diesel engines : en
  • US2290827A - Record card controlled statistical machine : en
  • GB546602A - Improvements in or relating to statistical machines : en
  • DK59981C - Combustion engine with separate Combustion chamber. : da en
  • FR873972A - Device for electrically inverting images : en fr
  • US2290583A - Chemical process and the product thereof : en
  • US2290748A - Vacuum tube and method of manufacture thereof : en
  • DE722963C - Process for the mechanical production of sculptures : de en
  • US2290781A - Cooking range : en
  • US2290371A - Antenna system : en
  • US2290469A - Electric circuit interrupter or breaker : en
  • USD133157S - Design fob a dress : en
  • US2290215A - Tool holder for machine tools : en
  • US2290518A - Automatic phonograph : en
  • US2290672A - Surgical chair : en
  • FR873868A - Trolley for high voltage devices, for example for high power switches low in oil : en fr
  • US2290157A - Treatment and distillation of pyroligneous liquor : en
  • DE722821C - Rod winding for electrical machines : de en
  • US2290500A - Locomotive boiler : en
  • US2290163A - Electrolytic device : en
  • USD133131S - Design fob a box : en
  • US2290467A - Stovepipe cleaner or scraper : en
  • FR873965A - Safety device for bolts or pins : en fr
  • FR873925A - Acyl-sulfonamides, process for the preparation of these compounds and their use for the protection of wool, furs, horsehair, feathers, etc., against the ravages of moths and other textile pests : en fr
  • DE722794C - Carriage seat designed as a folding seat : de en
  • DE722899C - Cooling system : de en
  • GB546571A - Improvements in or relating to vapour electric discharge devices : en
  • GB546583A - Improvements in or relating to electric discharge tubes : en
  • US2290622A - Method of manufacturing cellular rubber : en
  • US2290204A - Shoe and method of lasting : en
  • FR873984A - Method for producing color photographic images : en fr
  • FR873945A - Method for producing cinematographic images in several colors with sound recording : en fr
  • GB546600A - Improvements in or relating to telephone systems : en
  • FR873834A - Process for improving the structure of rolling products : en fr
  • DE722867C - Circuit arrangement for the precise switching of quantities of electricity that can be determined in advance for electrical devices with switch-off delay : de en
  • US2290341A - Lathe chuck mounting : en
  • US2290452A - Method and composition for waxing fruit : en
  • US2290771A - Relay system : en
  • USD133107S - Adjustable-length window cornice : en
  • US2290840A - Conversion apparatus for liquefied gas systems : en
  • US2290608A - Foil crumpling method and apparatus : en
  • US2290626A - Sequence controller : en
  • DE722977C - Retractable aircraft landing gear : de en
  • US2290423A - Air moving apparatus : en
  • US2290376A - Ozonizing apparatus : en
  • US2290488A - Stamp pad : en
  • FR873841A - Liquid impregnated filter for flue gas and the like : en fr
  • CA406147A - Bottle stopper : en fr
  • CA406220A - Insulated liquefied gas container : en fr
  • DE722946C - Device for the regulation of power machines working in parallel : de en
  • FR873824A - Benzenesulfonamide derivatives and process for their production : en fr
  • US2290589A - Rotary inertia device : en
  • US2290631A - Abrasive tool and method of making same : en
  • US2290705A - Selectivity control in broadcast receivers : en
  • AU115500B2 - Improvements in or relating to carrier wave signalling systems : en
  • DE722831C - Device for counting the movements covered by exceeding a certain speed limit, in particular the kilometers covered by a vehicle : de en
  • CA406201A - Camera finder hood : en fr
  • US2290666A - Automatic adjustable propeller : en
  • US2290733A - Fuse link : en
  • FR873977A - Sewing machine for making buttonholes : en fr
  • CA406226A - Upholstery cord : en fr
  • CA406255A - Sound recording apparatus : en fr
  • DE722744C - Process for the production of porous, thermal and acoustic insulating bodies : de en
  • FR873768A - Improvements to image and curve recording cathode ray tubes : en fr
  • GB546615A - Improvements in hand grenades : en
  • USD133104S - Base for a display stand or the like : en
  • FR873781A - Method of manufacturing spiral and at the same time helical envelopes or coverings by means of tapes, for wires, conductors, etc. : en fr
  • CA406247A - Traffic signal : en fr
  • FR873790A - Tool controlled by an internal combustion machine : en fr
  • DE722768C - Additional switchgear for alarm clocks : de en
  • US2290517A - Frequency-modulation television signal receiver : en
  • US2290258A - Lawn sprinkler : en
  • US2290342A - Electrodeposition of metals : en
  • US2290344A - Fluid pressure resistance welder : en
  • US2290603A - Recovery of phenols and olefins : en
  • US2290844A - Unloading toy vehicle and operating device for the same : en
  • CA406161A - Tire finishing method : en fr
  • CA406187A - Lamp filament mounting apparatus : en fr
  • DE722672C - Tail whistle for bombs : de en
  • US2290315A - Bucket dredge : en
  • US2290393A - Method of preparing a wax-isobutylene polymer coating composition : en
  • US2290436A - Diagnostic composition and method : en
  • US2290614A - Method of making reinforced porous rubber cushions : en
  • DE722755C - Protz coupling of gun spreader mounts : de en
  • DE722835C - Light metal pistons for internal combustion engines : de en
  • US2290249A - Injection molding : en
  • US2290284A - Individually illuminated instrument casing : en
  • US2290206A - Process of metal recovery : en
  • US2290674A - Condensation product of ingredients comprising an aliphatic aldehyde and maletic diamide : en
  • AU115519B2 - Ultrahigh frequency receiving electron discharge tube arrangements : en
  • FR873764A - Method for increasing the range of intensities in sound recordings : en fr
  • CA406295A - Traffic responsive device : en fr
  • DE722603C - Adjustable DC amplifier : de en
  • DE722976C - Access ladder formed by an edge of the aircraft wing : de en
  • DE722892C - Ignition device for wick burner : de en
  • GB546656A - Improvements in and relating to boxes or containers : en
  • GB546627A - Improved method of and apparatus for granulating blast furnace slag : en
  • DE722881C - Clutch that can be engaged and disengaged for a machine set consisting of an internal combustion engine and a piston working machine : de en
  • FR873820A - Improvements to two-stroke internal combustion engines, comprising several juxtaposed cylinders : en fr
  • FR873759A - Process for the manufacture of polycondensation products and products, capable of being shaped, obtained by this process : en fr
  • FR873879A - A method of making a hard material capable of replacing tungsten carbide : en fr
  • AU115515B2 - Improvements in flour sifters orthe like : en
  • DE722913C - Washbasin convertible into a table : de en
  • DK59987C - Window opener and Window shutter. : da en
  • US2290559A - Electrical measuring instrument : en
  • DE722790C - Device for distributing fire extinguishing foam : de en
  • US2290365A - Mechanical means to transfer decalcomanias to receiving surfaces : en
  • US2290491A - Plug and jack connector unit : en
  • US2290769A - Brush sterilizer and drier : en
  • DK59974C - Device for Pass-through connections between four-wire remote wires. : da en
  • GB546666A - Improvements relating to the production of baked goods : en
  • DK59990C - Hydrant. : da en
  • GB546569A - Improvements in or relating to machines for testing the curves of gear tooth faces and other machine elements or parts having surfaces of involute or other curvature : en
  • DE722824C - Process for the production of hormones from the male sexual apparatus : de en
  • DE722912C - Roller hanger with double roller : de en
  • US2290554A - Method of fabricating reinforced material : en
  • GB546567A - Improvements in and relating to methods of and means for hydraulic generation of power : en
  • CA406200A - Corrosion inhibiting method : en fr
  • FR873898A - Plain pipe fitting : en fr
  • FR873852A - Accounting sheet layout to save separate posting of totals in loose leaf accounting : en fr
  • GB546670A - Acid recovery process : en
  • AU215041A - Sound absorbing apparatus and methods : en
  • AU279841A - An improved oil burning attachment to heating appliances : en
  • DE722742C - Device for lining steel pipe sections with plain bearing metal : de en
  • DE722761C - Dough dividing machine : de en
  • FR873986A - Device for deburring machined toothed parts : en fr
  • DE722818C - Armature shaft for electric bicycle alternators : de en
  • DE722928C - Device for binding sausages with wire : de en
  • FR873951A - Hydraulic fluid circulation coupling or transmission : en fr
  • DE722749C - Method and device for erasing braids with high magnesium content and similar substances : de en
  • US2290586A - Registering device for multiple negative duplicator machines : en
  • US2290351A - Swab : en
  • US2290601A - Bleaching of ground wood pulp with preliminary bisulphite treatment : en
  • CA406284A - Vertical spinning or twister ring positioning means : en fr
  • US2290468A - Rack and the like : en
  • US2290732A - Electrical switching, timing, and synchronizing apparatus : en
  • US2290805A - Apparatus for calcining gypsum : en
  • GB546618A - Improvements in or relating to apparatus for removing dust from loosely bound material such as chaff : en
  • GB546629A - Improved method of manufacturing supersulphated slag cement : en
  • US2290309A - Flashlight bulb : en
  • FR873875A - Multi-worker woolen upgrades : en fr
  • US2290507A - Wiper and polisher for hydraulic hoist piston rods : en
  • US2290580A - Method for converting hydrocarbon oils : en
  • US2290252A - Adjustable hitch device : en
  • USD133099S - Design for a doll : en
  • FR873791A - Stopper frame for working on sewing machines : en fr
  • US2290191A - Delivery bed : en
  • US2290459A - Fastening attachment for fishhooks or baits : en
  • US2290465A - Air conditioning system : en
  • FR873774A - Acrylic acid nitrile production process : en fr
  • US2290394A - Dado machine : en
  • US2290768A - Automotive battery container : en
  • US2290821A - Transmission : en
  • GB546619A - Improvements in and relating to apparatus for washing, dyeing and like processes for articles of clothing and other textiles : en
  • DE721795C - Pipe connection, especially for blow-off lines : de en
  • FR873845A - Cinematographic apparatus : en fr
  • US2290356A - Machine for treating soles with heat : en
  • US2290630A - Vulcanizing press : en
  • CA406237A - Sanitary napkin : en fr
  • USD133151S - Design for a dress : en
  • CA406222A - Calculating machine : en fr
  • CA406283A - Yarn covering spindle : en fr
  • US2290151A - Automobile heater : en
  • US2290225A - Bar solder mold : en
  • US2290307A - Camera case : en
  • US2290320A - Circuit breaker mechanism : en
  • AU209241A - Improvements in or relating tothe shaping of shoe soles andthe like : en
  • FR873806A - Link between the two parts of a chain link : en fr
  • GB546585A - Improvements relating to fasteners : en
  • GB546597A - Improvements in and relating to small-arms : en
  • US2290197A - Wrench : en
  • US2290794A - Aqueous dispersions of ethylene polymers : en
  • USD133116S - Combined portable battery charger and compressor : en
  • FR873799A - Air-purifying heating method and apparatus for confined atmosphere premises : en fr
  • FR873829A - Device for containers loaded with spilled products, in particular for gasifiers : en fr
  • US2290419A - Tackle box : en
  • CA406265A - Ventilator : en fr
  • US2290335A - Repeater system : en
  • US2290350A - Atomizing system : en
  • US2290207A - Gas blast electric circuit breaker : en
  • US2290676A - Articulated rail car structure : en
  • US2290318A - Safety belt : en
  • US2290778A - Bolt-action firearm : en
  • US2290211A - Alkylation of aromatic hydrocarbons : en
  • DE722918C - Logarithmic slide rule with stop adjustment : de en
  • USD133130S - Design for a badge ob similar article : en
  • DE722847C - Filling machine for plastic masses, e.g. B. soft soap : de en
  • US2290686A - Treatment of material particles : en
  • DE722962C - Device for sintering powdery or fine-grain ores or similar raw materials : de en
  • US2290607A - Propeller : en
  • US2290250A - Control means for motor driven skates : en
  • US2290579A - Right angle drive : en
  • CA406304A - Photographic shutter : en fr
  • US2290193A - Laminated glass : en
  • CA406207A - Abrasive article : en fr
  • AU115501B2 - Improvements in or relating to vibrating apparatus for agitating and consolidating concrete : en
  • GB546573A - Self locking supporting struts for vehicles : en
  • DE722850C - Floating suction dredger with a paddle wheel attached to one side at the free end of a suction pipe : de en
  • FR873880A - Pneumatic measuring and control device : en fr
  • DE722932C - Device for cutting off stumps and cigar rolls : de en
  • US2290332A - Valve : en
  • US2290825A - Permeability tuning loop antenna : en
  • US2290483A - Process of separating volatile chemical compounds : en
  • CA406272A - Heating unit : en fr
  • CA406274A - Synthetic resin moulding apparatus : en fr
  • CA406189A - Electric incandescent lamp : en fr
  • CA406291A - Velocipede : en fr
  • US2290372A - Automatic record changing apparatus : en
  • US2290512A - Fishing lure : en
  • DE707139C - Method for breaking up the bast in stems of bast fiber plants : de en
  • US2290397A - Reduction furnace : en
  • US2290254A - Lightning arrester : en
  • US2290563A - Wax coating : en
  • US2290718A - Means for atomizing cleaning fluids : en
  • CA406231A - Paper sizing method : en fr
  • CA406300A - High frequency radio receiver : en fr
  • USD133148S - Design for a dress : en
  • CA406164A - Selvage forming device : en fr
  • CA406192A - Electric lamp : en fr
  • US2290406A - Brake : en
  • AU313341A - Improvements in flour sifters orthe like : en
  • US2290553A - Negative feedback circuit arrangement : en
  • US2290749A - Container : en
  • US2290387A - Means for recording the gait and muscle functioning of animate bodies : en
  • US2290327A - Frequency monitor and detector : en
  • IE17610L - Radar : en
  • CA406180A - Siliceous magnesia refractory manufacture : en fr
  • CA406212A - Starch processing : en fr
  • US2290653A - Washing apparatus : en
  • AU115497B2 - System of modulating a television cathode ray tube : en
  • US2290299A - Automobile heater : en
  • US2290281A - Substituted amine derivatives : en
  • US2290739A - Expansion hone : en
  • US2290381A - Armature assembling machine : en
  • AU168241A - A composition for plugging walls : en
  • DE722949C - Stopcock for air brake systems on railroad vehicles : de en
  • AU247041A - Improvements in vapour-proof containers for foodstuffs orthe like : en
  • US2290461A - Automatic shutoff valve : en
  • GB546586A - Electron discharge devices : en
  • US2290612A - Mold for rubber products : en
  • DE722566C - Circuit arrangement for compensating the resistance dependence of a magnetizing winding on the temperature : de en
  • CA406206A - Vinyl resin injection moulding apparatus : en fr
  • CA406165A - Hat device : en fr
  • CA406139A - Pyrophoric lighter : en fr
  • CA406259A - Aliphatic dicarboxylic acid : en fr
  • AU115504B2 - Improvements in vapour-proof containers for foodstuffs orthe like : en
  • US2290816A - Circuit connecting means for earpieces of hearing aids : en
  • CA406132A - Convertible tooth-brush : en fr
  • CA406238A - Fuse link package : en fr
  • AU115511B2 - Improvements relating to the fuel feed control of oil stoves and the like : en
  • US2290551A - Heat treating furnace : en
  • US2290545A - Folding rifle rest : en
  • FR873976A - Device for indicating that a combustion engine is ready to operate at full load : en fr
  • CA406130A - Refractory material bonding method : en fr
  • FR873939A - Device for bringing the rotating parts to be coupled to the same speed of rotation : en fr
  • US2290550A - Method of setting coating compositions : en
  • US2290680A - Electromagnetic coil : en
  • US2290724A - Volt-ampere measurement : en
  • CA406171A - Universal torch machine : en fr
  • CA406276A - Sticker packet : en fr
  • AU213241A - Improvements in or relating to vibrating apparatus for agitating and consolidating concrete : en
  • AU115517B2 - Machine and mould for making concrete blocks and units : en
  • US2290515A - Welding end plug for piping : en
  • US2290611A - Swing frame grinder : en
  • US2290802A - Cooking stove : en
  • US2290398A - Antiskid device : en
  • CA406178A - Railway car coupler : en fr
  • US2290800A - Antenna : en
  • GB546592A - Improvements in or relating to phonographic apparatus : en
  • US2290828A - Electric discharge lamp : en
  • USD133145S - Design fob a bain cap : en
  • DE722979C - Motor vehicle or vehicle trailer : de en
  • US2290784A - Flue construction and immersion : en
  • CA406173A - Rolling mill spindle : en fr
  • FR873996A - Process for preparing a preservable yeast and resulting product : en fr
  • FR873762A - Crown, and more especially blading crown head of rotary machines with radial admission, in particular for steam turbines : en fr
  • CA406263A - Air conditioning system : en fr
  • CA406142A - Animal trap : en fr
  • US2290655A - Paper electrode element : en
  • US2290308A - Trailer vehicle : en
  • DE722975C - Protective hood : de en
  • US2290226A - X-ray generating device : en
  • US2290728A - Dead locking tubular night latch : en
  • US2290334A - Oil burner : en
  • US2290317A - Facsimile transmitter : en
  • US2290205A - Shoe and method of attaching outsoles : en
  • US2290384A - Hoisting apparatus : en
  • DE722924C - Mold frame for casting sugar bodies : de en
  • DE722965C - Method for comparing brightnesses : de en
  • GB546589A - Improvements in medicines : en
  • CA406172A - Flame machining method : en fr
  • CA406184A - Cathode ray tube magnetic focusing means : en fr
  • CA406243A - Hydrocarbon product hydrogenation process : en fr
  • DE722770C - Timing relay with switching disks driven by a motor : de en
  • FR873985A - Oil-pneumatic friction clutch : en fr
  • GB546553A - Illuminating devices providing polarised light : en
  • US2290573A - Buckle : en
  • US2290793A - Combination camera and illuminator : en
  • US2290374A - Suction nozzle : en
  • US2290404A - Pickup guard : en
  • US2290278A - Illuminated indicating device : en
  • AU115492B2 - Compositions for use in horticulture and agriculture : en
  • US2290323A - Water and gas separator : en
  • USRE22142E - System and apparatus fob pumping : en
  • US2290606A - Apparatus for measuring high speed shafts and spindles : en
  • US2290789A - Manufacture and production of artificial filaments, threads, and the like : en
  • DE699965C - Coin checking device with an actuation slide for coin cashiers : de en
  • DE722795C - Switching device for tachometer : de en
  • CA406296A - Electrical timing apparatus : en fr
  • US2290280A - Display apparatus : en
  • DE722927C - Geared steam turbine plant : de en
  • FR873839A - Photographic equipment for color shots : en fr
  • US2290174A - Bactericidal, germicidal, and antiseptic materials : en
  • US2290263A - Slide fastener element and method of making slide fasteners : en
  • US2290719A - Typographical plate : en
  • US2290754A - Frequency indicator : en
  • FR873755A - Device for fixing films to the hub of film reels : en fr
  • US2290726A - Electric circuit breaker : en
  • DE722871C - Method and device for determining gas metabolism : de en
  • FR873814A - Low frequency amplifier with selective feedback : en fr
  • US2290244A - Implement attachment for tractors : en
  • US2290476A - Car coupling system : en
  • US2290634A - Venetian blind ladder tape : en
  • CA406138A - Telephone system selector : en fr
  • US2290796A - Filter : en
  • DE722784C - Installation in front of water measuring devices in water pipes with a natural gradient to prevent false display or destruction of the measuring device by air : de en
  • FR873934A - Device for the protection of a transformer against overvoltages : en fr
  • US2290558A - Lubricating push rod : en
  • USPP532P - Rose plant : en
  • US2290670A - Inner tube : en
  • US2290810A - Ball bearing lubricating system : en
  • GB546642A - Improvements in and relating to a method of treating magnesia : en
  • US2290605A - Lock-washer testing machine : en
  • DE722837C - Camera with automatic exposure adjustment : de en
  • DE722812C - Address printing machine with a device for intermittent, automatic feeding through of the papers to be printed : de en
  • US2290803A - Adhesive applicator : en
  • USD133152S - Design for a dress : en
  • FR873975A - Cleaning device with ribbed electrostatic wiper : en fr
  • DE722990C - Process for impregnating or covering fibrous webs u. Like. With paints : de en
  • GB546659A - Improvements in or relating to gas meters : en
  • US2290303A - Electric stop mechanism for knitting machines : en
  • US2290405A - Pneumatic mote control : en
  • US2290790A - Method of distributing fluid in accurately measured quantities : en
  • US2290413A - Composition of matter and process for preventing water-in-oil type emulsions resulting from acidization of calcareous oil-bearing strata : en
  • DE722930C - Machine for the production of cigar wraps or the like. : de en
  • US2290306A - Socket for radio tubes : en
  • DE722922C - Shredding device for the production of feed and humus fertilizer : de en
  • FR873955A - Switching device for starting motors fitted to motor vehicles with a foreign current source : en fr
  • US2290295A - Method and apparatus for desurfacing metal : en
  • US2290440A - Riveting machine : en
  • US2290490A - Tower : en
  • FR873915A - New condensation products and their industrial uses : en fr
  • DE722754C - Fresh air heater for motor vehicles : de en
  • US2290595A - Rotary drill bit : en
  • US2290160A - Dual wheel vehicle : en
  • CA406301A - Dialysis of waste pulp liquor : en fr
  • US2290538A - Treatment of glue and gelatin : en
  • US2290382A - Fuse construction : en
  • US2290679A - Flush valve control : en
  • DE722708C - Circuit for electrical track vacancy detection systems with several insulating sections : de en
  • DE722822C - Holder of a grid for electron tubes : de en
  • FR873992A - Simplified and rigid control derailleur for gear changes for bicycles, tandems or the like : en fr
  • GB546604A - Improvements in or relating to statistical machines : en
  • US2290556A - Theater chair : en
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