• US2390150A - Valve : en
  • US2390347A - Shoe stiffener and process of making the same : en
  • AU120620B2 - An improved support for garden hoses : en
  • CA431600A - Single unit multiple glass sheet production : en fr
  • IE16997L - Press for rackets, trousers, etc. : en
  • US2390248A - Spreader for water heaters : en
  • US2390169A - Valveless engine : en
  • US2390473A - Talcum powder stick : en
  • US2390267A - Ski pole : en
  • US2390305A - Holder and insulator for electric fence wire : en
  • USD143059S - Design for a hand toy : en
  • CA431675A - Short wave communication system : en fr
  • US2390432A - Preparation of chlorine dioxide and nitrogen oxides : en
  • US2390110A - Spring group : en
  • US2390159A - Handling and pressing means and method : en
  • US2390281A - Brucine-lactone compound : en
  • CA431667A - Container cap : en fr
  • CA431658A - Thread winding machine : en fr
  • CA431706A - Shoe lasting machine : en fr
  • US2390269A - Filter device for coffee makers : en
  • IE16986L - Heating and cooling greenhouses, etc. : en
  • CA431668A - Abrading apparatus : en fr
  • FR905571A - Automatic switching device for measuring devices : en fr
  • CA431724A - Steam generator : en fr
  • AU2385345A - Improvements in or relating to plucking machines : en
  • USRE22701E - Liquid clarification : en
  • FR905417A - One-step viscose preparation process : en fr
  • US2390378A - Method of making silicone resins : en
  • GB573783A - Improvements in or relating to gas turbines : en
  • US2390098A - Preparation of lactonitrile acetate : en
  • CA431644A - Thermostat : en fr
  • USD143063S - Design fob a dress : en
  • US2390408A - Antifouling composition : en
  • US2390257A - Disappearing hanger : en
  • US2390454A - Flier for wrapping yarn around wire : en
  • AU129231B2 - Improvements in or relating to steam irons : en
  • GB573756A - Improvements in or relating to the production of ethylene : en
  • US2390046A - Process for rendering fibrous textile materials fast to slipping : en
  • CA431623A - Hydrocarbon processing : en fr
  • US2390236A - Portable field oxygen therapy apparatus : en
  • US2390438A - Range construction : en
  • FR905538A - Telescope, binocular, or other similar item : en fr
  • US2390265A - Liquid lift : en
  • FR905432A - Improvements to the control of winches with variable winding diameter : en fr
  • GB573742A - Bed cover support : en
  • GB573713A - Improvements in or relating to hydraulic rams : en
  • FR905410A - Process for obtaining a textile material which is solid at the boiling point, preferably from rennet casein : en fr
  • FR905532A - Device for obtaining a regularly screened point distribution of loads on a surface for television applications : en fr
  • FR905592A - Injection pump for aircraft engines : en fr
  • CA431599A - Terpene-modified phenolic resin : en fr
  • DK64130C - High voltage switch with a power cord parts surrounding the double-walled casing. : da en
  • FR905503A - Improvements to reversing and gear changing devices applicable in particular to boats : en fr
  • FR905595A - steam filter for evaporative systems : en fr
  • US2390342A - Compounded hydrocarbon products : en
  • US2390440A - Lead coating : en
  • CA431575A - Shipping and display container : en fr
  • CA431690A - Metal article forming apparatus : en fr
  • US2390295A - Soap composition : en
  • US2390380A - Heater : en
  • GB573700A - Improvements in and relating to optical or like projectors : en
  • US2390301A - Pneumatic telemetering system : en
  • US2390153A - Condensation products and process of producing same : en
  • US2390124A - System of pumping wells : en
  • US2390471A - Cylinder lock : en
  • GB573755A - Improvements in and relating to gun mountings : en
  • US2390213A - Floating supporting structure for automatic washers : en
  • US2390323A - Regeneration of spent catalysts : en
  • US2390326A - Allyl and substituted allyl methacrylates : en
  • USD143093S - Design for a billfold : en
  • AU120626B2 - Anon-capacity resistance coupled circuit : en
  • GB573745A - Improvements in or relating to photographic light-sensitive elements : en
  • USRE22702E - Printing press : en
  • FR905533A - Pressure adapter device for vehicle brakes : en fr
  • GB573833A - Improvement in the method and apparatus for the manufacture of pre-stressed concretepipes for inner pressure : en
  • US2390439A - Optical record interpreter : en
  • US2390435A - Perforating machine : en
  • US2390430A - Apparatus for extracting constituents of mineral oils : en
  • GB573746A - Improvements in electric fuses : en
  • GB573798A - Improvements in the production of photographic stencils : en
  • FR905447A - On-board automatic direction finder : en fr
  • US2390041A - Calculating machine : en
  • US2390114A - Electrolysis of fused baths : en
  • US2390151A - Automatic battery charging system : en
  • FR905577A - Voltage stabilizers : en fr
  • US2390314A - Dispensing device for paste tubes : en
  • US2390231A - Steering mechanism : en
  • USD143070S - Design fob a dress : en
  • CA431580A - Valve tappet screw : en fr
  • FR905354A - Stereophonic acoustic oscillation recording device : en fr
  • FR905403A - Gear change control device by selector for motorcycles and similar vehicles : en fr
  • FR905567A - Washing tank containing flammable liquid : en fr
  • GB573832A - Improvements in or relating to the manufacture of pest control compositions : en
  • US2390070A - Adhesion preventing agent for catheters and the like : en
  • CA431609A - Extensible assembly : en fr
  • US2390302A - Conveyer : en
  • US2390420A - Drilling machine : en
  • US2390419A - Peanut plant harvester : en
  • CA431641A - Automatic ironing machine : en fr
  • USD143087S - Design for a pipe : en
  • US2390176A - Glass feeder : en
  • US2390255A - Airplane heating means : en
  • US2390270A - Method of surface prospecting : en
  • CA431585A - Wheel structure : en fr
  • CA431620A - Deodorized oil : en fr
  • CA431704A - Phasing arrangement for tele-facsimile machines : en fr
  • DK64138C - Butter forms. : da en
  • US2390456A - Garment construction : en
  • US2390290A - Resilient wheel cushion : en
  • CA431577A - Collapsible trailer house : en fr
  • US2390340A - Batt covering machine : en
  • FR905389A - Automatic metering device for supplying heat engines with fuel gases : en fr
  • US2390398A - Machine for applying strips of material to curved surfaces : en
  • GB573692A - An improved pegless clothes line : en
  • US2390318A - Rivet ejector : en
  • FR905482A - Frequency modulated wave detector : en fr
  • US2390263A - Die-casting machine : en
  • US2390158A - Reel for wire-drawing machines : en
  • US2390296A - Method of increasing cetane number of fuel oil : en
  • US2390048A - Piezo-crystal device : en
  • FR905484A - Device for controlling the return of vehicle power outlet poles on overhead electric traction lines : en fr
  • FR905356A - Acid dyes of the anthraquinone series : en fr
  • GB573690A - Improvements in or relating to hair net : en
  • FR905416A - Controlled multiple spark gap, for overvoltage bypass device : en fr
  • US2390192A - Method and means of supporting electric cable : en
  • FR905397A - Use of male cork from Provence in cabinetmaking : en fr
  • FR905489A - Improvements to overhead disconnector switches : en fr
  • FR905502A - Automatic gear change device according to the variation of angular acceleration : en fr
  • US2390131A - Continuous diffusion process : en
  • CA431703A - Band controlled piston : en fr
  • USD143101S - Plastic unit for use on handbags or the like : en
  • FR905495A - Radio-compass with rotating frame : en fr
  • US2390199A - Inflatable life raft : en
  • FR905485A - System for fixing electric cables to conductive parts : en fr
  • FR905492A - Process for preparing products with capillary and epidermal action : en fr
  • FR905509A - Safety knife : en fr
  • GB573794A - New or improved manually operated mechanism for producing rotary motion, and vehicleembodying same : en
  • US2390088A - Enteric gelatin capsule shell or envelope : en
  • FR905380A - Process for obtaining, in submerged culture, microorganisms rich in ether extract : en fr
  • GB573740A - Method of making seamless tubes of refractory metals and the product thereof : en
  • GB573701A - Conduit supporting clip : en
  • GB573735A - Improvements in or relating to rocket discharging gear for aircraft : en
  • GB573714A - Improvements in and relating to two-stroke cycle internal combustion engines : en
  • FR905519A - Part of flexible multi-piece undershoe made of wood or the like : en fr
  • GB573733A - Improvements in or relating to fuzes for projectiles : en
  • FR905414A - Process for preparing alginates and alginic acids : en fr
  • FR905597A - blow-out spark gap acting as a surge arrester : en fr
  • US2390433A - Well survey method and apparatus : en
  • US2390196A - Suction cleaning apparatus : en
  • FR905381A - Manufacturing process, in a single operation and according to the viscose process, of yarns and films from cellulose or cellulosic raw materials : en fr
  • US2390463A - Electrical control system : en
  • FR905398A - The rational construction of the building : en fr
  • GB573814A - Modification of the relative concentrations of cations in fluid media : en
  • US2390206A - Railway car truck : en
  • US2390355A - Water motor for lawn sprinklers, etc. : en
  • US2390359A - Triple action automobile body press : en
  • CA431574A - Denture base : en fr
  • FR905375A - Continuous dryer for short pasta : en fr
  • FR905464A - Method and apparatus for measuring voltages resulting from beats : en fr
  • US2390245A - Corn cutter and sled wagon : en
  • US2390402A - Method of passivating stainless steels : en
  • US2390442A - Ball-operated toy : en
  • US2390364A - Timing apparatus : en
  • US2390485A - Shoe and welt therefor : en
  • FR905566A - Preparation of polyamide solutions : en fr
  • FR905357A - Synchronization device for claw clutches, especially in gear changes with toothed gears : en fr
  • FR905505A - Automatic scale known as personal scales : en fr
  • US2390111A - Aerating apparatus : en
  • DK64135C - Method and Apparatus for Attenuating Weights by Weights. : da en
  • GB573771A - Improvements in the production of photographic relief images : en
  • FR905379A - Electromagnetic device for regulating the voltage of generators operated at variable speed, in particular for installations mounted on vehicles : en fr
  • GB573806A - Improvements in and relating to domestic water boilers or heaters for use in conjunction with domestic ranges, firegrates and stoves : en
  • FR905372A - Film reel camera charger : en fr
  • US2390293A - Work handling unit : en
  • US2390466A - Drawing instrument : en
  • US2390388A - Method and apparatus for solvent extraction : en
  • US2390409A - Electrical logging : en
  • GB573789A - Improvements in or relating to essential oil compositions : en
  • GB573803A - Improvements in or relating to the recording of telephone conversations : en
  • DK64132C - Sandwich box. : da en
  • US2390311A - Hydraulic brake : en
  • FR905478A - Device ensuring the purification of compressed or liquefied gases : en fr
  • GB573722A - Improvements in or relating to the oxidation of unsaturated aldehydes : en
  • US2390477A - Machine gun feed mechanism : en
  • US2390107A - Packaging machine : en
  • FR905564A - Process for preparing stable solutions of bismuth in oils : en fr
  • FR905565A - Device for eliminating interference in radio reception : en fr
  • GB573731A - Steering drive axle for vehicles : en
  • FR905483A - Improvements to variable area diffuser carburetors with multiple jets : en fr
  • FR905594A - System reducing the force on the driving wheel of all bicycles vehicles : en fr
  • FR905413A - Manufacturing process of coiled yarns : en fr
  • FR905370A - Motion picture developing machine : en fr
  • GB573802A - Improvements in and connected with bus bars or connecting links for use in electrical wiring systems : en
  • DK64134C - Spring Floor. : da en
  • FR905427A - Toggle device : en fr
  • US2390102A - Printing inks : en
  • US2390253A - Sulphonyl compounds and processes for their production : en
  • AU2462445A - Tuning control mechanism for radio receivers : en
  • GB573792A - Improvements in and relating to laminated springs : en
  • US2390414A - Stenographic machine : en
  • FR905439A - Improvement in tuning circuits for spread bands and non-spread wavebands : en fr
  • DK64142C - Locking mechanism for securing mutually moving parts, in particular windows, doors or similar structural parts, in different positions. : da en
  • US2390219A - Staple : en
  • US2390251A - Cutter chain : en
  • GB573837A - Improvements in crystal detectors for use on ultra high frequencies : en
  • AU135155B2 - A strap fora paperbag : en
  • FR905556A - Closure for chimney cleaning : en fr
  • FR905589A - Diving temperature regulator with thermal feedback device : en fr
  • USD143099S - Toy automobile or the like : en
  • CA431669A - Expanding ornament : en fr
  • US2390338A - High-tension spark ignition magneto : en
  • CA431588A - Screw thread grinding machine : en fr
  • US2390389A - Cinematograph apparatus : en
  • USD143085S - Littlefield etal breathing apparatus : en
  • US2390307A - Gas powered model airplane control line apparatus : en
  • CA431714A - Land cultivating apparatus : en fr
  • CA431614A - Nickel salt purification : en fr
  • US2390350A - Package : en
  • AU987843A - Improvements in or relating to variable length motion transmitting devices : en
  • FR905518A - Leather covered cork for all industrial applications : en fr
  • FR905568A - Improvements to devices for making false edges : en fr
  • AU2538145A - Tractor crane : en
  • US2390487A - Flow regulating system : en
  • US2390344A - Electric switch : en
  • US2390059A - Liquid fuel burner : en
  • USD143078S - Bilge pump or similar article : en
  • US2390139A - Lead wire threading machine : en
  • AU120625B2 - Improvements relating tc transmission gears and gear toothed clutches : en
  • CA431697A - Discharge tube cathode locating and anchoring means : en fr
  • US2390178A - Drilling rate recorder : en
  • US2390405A - Method and means for processing barium containing glass stock to produce optical elements or the like : en
  • AU130453B2 - v Improvements in or relating to hand sewing needles : en
  • CA431598A - Phenolic resin : en fr
  • FR905446A - Aircraft on-board antenna : en fr
  • US2390073A - Hair treatment : en
  • FR905544A - Air motor with pneumatic transmission : en fr
  • GB573688A - Improvements in or relating to connecting devices for electrical apparatus, for example, piezo-electric acoustic and like devices : en
  • GB573775A - Method of improving the processing of refined chemical pulp into viscose by adding anion active agents : en
  • GB573812A - Improvements in or relating to process of making cellulosic products, process of sizing paper, and process of producing a precipitable paper sizing material, and the improved sizing material resulting therefrom : en
  • CA431584A - Wheel structure : en fr
  • FR905500A - Frequency derivative relay : en fr
  • FR905378A - Method and apparatus for obtaining starch milk from starch-containing ground materials : en fr
  • FR905441A - Tap : en fr
  • US2390413A - Printing machine : en
  • US2390047A - Grab used for boring wells : en
  • FR905473A - Manufacturing process of plastic supports for chemicals and resulting industrial products : en fr
  • CA431571A - Coating composition : en fr
  • US2390095A - Process for manufacture of magnesium products : en
  • US2390423A - Bag closure : en
  • US2390083A - Process for breaking petroleum emulsions : en
  • US2390256A - Coasting sled : en
  • USD143068S - Design for a dress : en
  • USD143090S - Design for a stud welding machine : en
  • AU2455445A - Pattern material, pattern and method : en
  • GB573725A - Improvements in or connected with aircraft structures : en
  • FR905469A - Board game : en fr
  • CA431653A - Phenol-terpene resin : en fr
  • US2390115A - Apparatus for purifying light metals : en
  • US2390147A - Device for testing coins : en
  • US2390306A - Discharge chute for hay balers : en
  • US2390065A - Photographic camera-enlarger : en
  • US2390374A - Trunnion tilt corrector apparatus : en
  • CA431591A - Dish washing machine : en fr
  • CA431632A - Heat exchanger : en fr
  • US2390261A - Conveyer : en
  • US2390434A - Railway car structure : en
  • US2390343A - Piston : en
  • US2390106A - Process for preparing carboxylic anhydrides : en
  • GB573796A - Improvements in and relating to electric stop motions for textile machines : en
  • US2390308A - Moistureproof base : en
  • US2390197A - Method of removing coke : en
  • FR905390A - Process to protect the surface of iron objects against rust and to obtain the blue sheet known as the bulge sheet : en fr
  • FR905576A - Support for the spare wheel attached to motorcycle sidecars : en fr
  • GB573826A - Manufacture of condensation products of lac and compositions made therewith : en
  • FR905491A - Improvements to vehicles for container transport : en fr
  • US2390074A - Protein product and process : en
  • US2390328A - Directional seismograph pickup : en
  • US2390104A - Cooling and dehydrating apparatus : en
  • FR905524A - Luminescence lamp : en fr
  • GB573764A - Improvements in hand propelled vehicles such as baby carriages : en
  • GB573836A - Improvements in and relating to liquid-mixing apparatus : en
  • FR905474A - Binding product, its preparation and its applications, in particular in the manufacture of synthetic leather : en fr
  • GB573782A - Improvements in the priming means of petrol and like oil engines : en
  • FR905399A - Improvements to frame printing machines for fabrics and the like : en fr
  • US2390480A - Metallized azo triazoles : en
  • USD143089S - Design for a die-casting machine : en
  • USD143105S - Design for a strainer : en
  • US2390058A - Gas producer by solid fuel, and suitable to feed gas motors, and especially auto motors : en
  • US2390294A - Display mount : en
  • FR905496A - New connecting rod-crank system : en fr
  • FR905596A - Steam generator : en fr
  • US2390211A - Film holder : en
  • FR905521A - Collapsible crate : en fr
  • US2390094A - Container : en
  • FR905404A - Assembly system by cross brace without rivet, in particular for rods forming the protective casing of mining lamps : en fr
  • GB573706A - An improved method and device for producing balance in rotating bodies : en
  • US2390183A - Stamping die : en
  • GB573815A - Improvements relating to the treatment of triglycerides and their fatty acids : en
  • FR905443A - Remote control device : en fr
  • GB573752A - Improvements in or relating to the production of condensation products of acetylene : en
  • FR905586A - Rubber valve for breathing apparatus : en fr
  • FR905555A - Improvements to thermionic cathodes : en fr
  • FR905355A - Manufacturing process of pharmaceutical or cosmetic preparations of specific forms : en fr
  • FR905466A - Improvements to protractors for topographic plots and navigation : en fr
  • US2390407A - Dispensing container for roll paper : en
  • CA431601A - Rotary file : en fr
  • US2390168A - Device for clamping members to shafts : en
  • US2390235A - Textile treatment : en
  • US2390193A - Automobile roof : en
  • US2390160A - Method of manufacture : en
  • US2390464A - Built-in lens capping mechanism : en
  • US2390272A - Purification of gelatinous hydroxides : en
  • US2390050A - Plate and bearing assembly : en
  • AU2524745A - Hydraulic system : en
  • US2390299A - Air circulating fan : en
  • DK64137C - Apparatus for Making Butter in the Presence of Carbon Dioxide. : da en
  • US2390239A - Counting mechanism : en
  • US2390417A - Method of manufacturing piston rings : en
  • US2390341A - Gyroscopic power transmission : en
  • US2390474A - Electrical coupling network : en
  • AU982643A - Improvements in or relating to container and method of manufacture thereof : en
  • CA431710A - Vitamin production : en fr
  • CA431725A - Steam generator : en fr
  • CA431643A - Printing method and blanket : en fr
  • CA431587A - Floating structure and propelling means : en fr
  • CA431573A - Paper sheet : en fr
  • CA431631A - Filler composition : en fr
  • CA431702A - Valve insert seat : en fr
  • US2390240A - Power transmitting mechanism : en
  • GB573786A - Process for the manufacture of ª‡-substituted, side chain ketones of the cyclopentanopolyhydrophenanthrene series : en
  • AU2536545A - Process and apparatus for electroplating zinc : en
  • CA431592A - Vibration producing mechanism : en fr
  • AU606442A - Improvements in and relating tothe production of shaped articles from polymerised material : en
  • FR905463A - Refractory cement : en fr
  • CA431647A - Grinding device controlling apparatus : en fr
  • FR905430A - Process for the preparation of toilet powders, cosmetics, toothpaste or similar products, products prepared according to this process and tube for said products : en fr
  • CA431693A - Marine propeller : en fr
  • GB573819A - Process for the catalytic conversion of hydrocarbon oils : en
  • FR905534A - Condensation products and process for preparing these products : en fr
  • US2390394A - Window : en
  • US2390264A - Soil correctives : en
  • FR905475A - Thermometric signaling device : en fr
  • CA431645A - Tire rim : en fr
  • FR905581A - Gauge for adjusting the blade thickness of slitting machines : en fr
  • US2390180A - Wooden frame truss : en
  • US2390259A - Carbon interleaved record assembly : en
  • US2390189A - Mastic composition : en
  • GB573691A - Improvements in or relating to controls for internal combustion engines : en
  • US2390250A - Cathode ray tube and circuit : en
  • CA431689A - Electric arc welding method : en fr
  • FR905543A - Electric protection switch : en fr
  • US2390063A - Process for the preparation of products from lignin by hydrogenation : en
  • US2390429A - Processes of extracting constituents of mineral oils : en
  • US2390453A - Fireplace andiron : en
  • US2390067A - Apparatus for preparation of carbon : en
  • US2390254A - Milling cutter unit and assembly : en
  • GB573747A - Writing instrument : en
  • GB573753A - Improved apparatus for clearing land mines or minefields : en
  • GB573776A - Process for the production of toluene : en
  • AU129954B2 - Hydraulic system : en
  • FR905377A - Method and apparatus for joining rubber transmission belts : en fr
  • US2390273A - Combine steering mechanism : en
  • US2390052A - Device for stirring melts : en
  • USD143073S - Design for a handbag : en
  • US2390198A - Hardenable resin composition : en
  • US2390395A - Sorbitan and process for making the same : en
  • US2390370A - Manufacture of glass yarn : en
  • US2390315A - Handbag frame strip for attaching bag material to bag frames : en
  • FR905436A - Housing for dry gas meter : en fr
  • IE17598L - Permutation locks : en
  • GB573730A - Improvements in tyres for road wheels of vehicles : en
  • GB573704A - Pipe or other line supporting clip : en
  • FR905553A - Engine time adjustment device for steam engines : en fr
  • GB573777A - Improvements in or relating to endless track vehicles : en
  • FR905434A - Cinematographic projection process : en fr
  • FR905497A - New apparatus for repeating transmitter and receiver for totalizing electrical signals : en fr
  • FR905573A - Process for the preparation of 6- (p-aminobenzenesulfonamido-2.4-dimethylpyrimidine : en fr
  • FR905585A - Method and device for electrolytic chrome plating, in particular chrome plating of tubular parts : en fr
  • US2390319A - Pressure vessel : en
  • FR905591A - Method and construction for the protection and / or insulation of refractory masonry of thermal appliances : en fr
  • GB573817A - Improvements in and relating to the control of electric motors for winches and like hoisting machinery : en
  • CA431722A - Steam generator : en fr
  • AU120609B2 - An improvement in concrete building construction : en
  • US2390113A - Monoazo compounds : en
  • US2390181A - Hinged ski : en
  • AU129229B2 - Amplitude limiters : en
  • GB573807A - Improvements in or relating to valve-gear for internal combustion engines : en
  • US2390224A - Safety ball trap : en
  • US2390445A - Oiltight joint : en
  • GB573736A - A device for tensioning the holding wires of boarding in concrete work by twisting them together : en
  • CA431686A - Fire alarm signal system : en fr
  • AU120602B2 - Improvements in and relating tothe production of shaped articles from polymerised material : en
  • CA431618A - Brake-drum lathe : en fr
  • FR905574A - Mechanical thread breaker device applicable in particular to rayon assembling looms : en fr
  • DK64143C - Procedure for making colored patterns or images on transparent foil, such as cellophane and glass. : da en
  • US2390086A - Closure operating mechanism : en
  • CA431646A - Friction spring for railway cars : en fr
  • DK64140C - Invoice form. : da en
  • CA431639A - Paper can for powder : en fr
  • CA431607A - Gas heater : en fr
  • CA431683A - Record reproducing system : en fr
  • CA431566A - Cigarette holder : en fr
  • US2390072A - Method of producing a potential opening in a fiber container or other fiber articles : en
  • US2390112A - Well packer : en
  • AU132289B2 - Improvements in space heater : en
  • US2390221A - Alarm system : en
  • US2390436A - Heat exchanger : en
  • CA431605A - Fastener slider : en fr
  • CA431649A - Cement composition : en fr
  • GB573739A - Improvements in and relating to perambulators : en
  • US2390455A - Bake oven conveyer : en
  • USD143080S - Automatic actuator for airplane wing flaps : en
  • US2390412A - Carton : en
  • CA431576A - Dart flight : en fr
  • US2390207A - Friction shock absorbing mechanism : en
  • US2390277A - Wiener vending machine and process : en
  • US2390441A - Adding and subtracting mechanism : en
  • CA431715A - Synthetic yarn processing : en fr
  • CA431583A - Wheel structure : en fr
  • US2390068A - Adjustable pitch propeller mechanism : en
  • CA431684A - Piezoelectric transducer : en fr
  • AU129298B2 - Coaster brake : en
  • US2390363A - Production of acenaphthylene : en
  • US2390230A - Automatic parachute delivery mechanism for aircraft : en
  • US2390303A - Bead locking ring : en
  • FR905461A - Improvements made to weighing scales : en fr
  • GB573772A - Gyro erecting mechanism : en
  • GB573779A - Improvements in the production of ornamental and other effects on organic ester of cellulose materials : en
  • FR905530A - Stone for fireplace : en fr
  • US2390215A - Swivel chair : en
  • GB573699A - Apparatus for treating gases with electric glow discharges : en
  • GB573774A - Improvements in or relating to radio tuning systems : en
  • US2390119A - Control or regulating system employing fluid pressure : en
  • GB573765A - Improvements in or relating to magazines for automatic fire arms : en
  • US2390135A - Double swivel bracket for outboard motors : en
  • GB573822A - Method of forming wire coils : en
  • US2390187A - Seismic surveying : en
  • US2390486A - Record punching machine : en
  • GB573763A - Improvements in or relating to the manufacture of halogenated organic acids : en
  • GB573687A - Improvements in or relating to piezo-electric acoustic devices : en
  • FR905391A - Improvements in the manufacture of titanium dioxide-based pigments : en fr
  • FR905583A - Injection combustion engine and self-ignition : en fr
  • US2390478A - Thread accumulator for weft replenishing looms : en
  • FR905513A - Automatic fire detector : en fr
  • GB573761A - Improved process for the isomerization of normal paraffin hydrocarbons : en
  • GB573791A - Improvements in or relating to mountings for gyroscopic apparatus : en
  • US2390349A - Toy firearm : en
  • US2390369A - Stripping machine : en
  • FR905455A - Radio receiver panel : en fr
  • FR905409A - Device for tying loose sheets : en fr
  • FR905562A - Process for preparing colors for varnishes and coatings, with non-depositing pigments : en fr
  • US2390262A - Acoustical structure : en
  • US2390285A - Conversion of hydrocarbons : en
  • FR905458A - Device applicable to radioelectric devices and intended to prevent the radiation of high frequency oscillations : en fr
  • FR905486A - Gear change : en fr
  • US2390053A - Film mount slide : en
  • US2390383A - Navigational method and apparatus : en
  • FR905450A - Electric darkroom candling machine for checking eggs : en fr
  • US2390214A - Voltage regulator : en
  • GB573809A - Improvements in or relating to the manufacture of interpolymers of aromatic vinyl hydrocarbons with other polymerisable organic compounds and of coating compositions obtained therefrom : en
  • FR905374A - Filing cabinet for photographic or cinematographic films or films : en fr
  • FR905593A - Heating, evaporation or cooling body : en fr
  • FR905575A - Practical razor : en fr
  • GB573716A - Improvements relating to hydraulic jacks : en
  • GB573816A - Improvements in electrically operable winches : en
  • AU129874B2 - Improvements in or relating tothe manufacture of ethylene and polymerisation products therefrom : en
  • US2390040A - Dump scoop attachment for tractors : en
  • FR905433A - Process of carbonization of cellulosic materials : en fr
  • US2390288A - Needlebar mechanism for sewing machines : en
  • FR905361A - Button for clothes : en fr
  • FR905494A - Signaling device, particularly applicable to electrical contactors : en fr
  • US2390145A - Electric switch : en
  • US2390444A - Counting mechanism : en
  • GB573737A - Improvements in seamless air and moisture proof packings and containers : en
  • FR905460A - Radio beacon operation control device : en fr
  • FR905408A - Machine for machining spur and helical gear wheels : en fr
  • FR905445A - Improvements to radio devices : en fr
  • GB573749A - Improvements in or relating to the manufacture of metal ingots : en
  • GB573799A - Improvements in electrical interrupters or vibrators : en
  • US2390331A - Cartridge belt link : en
  • FR905536A - Magnetic core and its manufacturing process : en fr
  • US2390205A - Shock absorber : en
  • US2390336A - Athlete training apparatus : en
  • USD143103S - Design foe a spring-clip hanger : en
  • US2390172A - Burner control system : en
  • DK64131C - Electrical capacitor with moisture-proof, possibly also vacuum-tight metal sheath. : da en
  • GB573723A - Improvements in or relating to the manufacture of polymerisable unsaturated acids : en
  • FR905561A - Window dryer : en fr
  • GB573762A - Aerial mounting : en
  • DK64141C - Device at Slutblik to Laase. : da en
  • US2390223A - Multiple winding and spooling device : en
  • FR905499A - Device for attenuating high-frequency radiation from measuring instruments : en fr
  • US2390103A - Union tube connection locking nut : en
  • FR905353A - Control device for rapid welding devices : en fr
  • US2390229A - Transmission gearing for crankshafts : en
  • US2390188A - Blouse : en
  • AU980343A - Improvements in electrical plug and socket spring contacts or connectors : en
  • CA431593A - Laundry boiling receptacle : en fr
  • FR905510A - Method of establishing geographical maps, starting from the world map : en fr
  • GB573828A - Improvements in or relating to protractors for measuring angles : en
  • US2390136A - Liquid dispensing apparatus : en
  • GB573827A - Improved machine for testing the static balance of propeller blades and the like : en
  • GB573805A - Improvements relating to the production of resins : en
  • AU2512545A - Improvements in space heater : en
  • US2390162A - Method for producing light polarizing bodies : en
  • AU120627B2 - Improvements in or relating to variable length motion transmitting devices : en
  • CA431567A - Street traffic signal : en fr
  • AU1314944A - Method of preparing a cocoa extract : en
  • US2390291A - Receptacle closure : en
  • USD143075S - Design for a pipe cutting tool : en
  • USD143092S - Design for a shoe shine box : en
  • CA14361S - Handle or similar article : en
  • US2390061A - Disconnector means in self-charging firearms : en
  • US2390228A - Transmission gearing : en
  • US2390472A - Wall structure : en
  • US2390468A - Process of canning green vegetables : en
  • FR905516A - Construction game : en fr
  • US2390152A - Substantive azo dyestuffs : en
  • CA431627A - Oscillator circuit : en fr
  • US2390391A - Iodization of textile fabrics : en
  • CA431674A - Radio receiver circuit : en fr
  • US2390313A - Gas and liquid mixer : en
  • AU120643B2 - Method of shave-milling steel : en
  • AU130037B2 - Improvements in throttling and pressure regulating valves : en
  • US2390155A - Spreader stoker : en
  • US2390175A - Diamond holding tool : en
  • US2390268A - Truck elevator : en
  • CA431691A - Tubular body heating and forming method : en fr
  • US2390186A - Portable whipping machine : en
  • US2390066A - Raceway clearing device : en
  • US2390132A - Dry spinning process : en
  • US2390353A - Self-aligning bearing assembly : en
  • FR905423A - Combined bimetallic and electromagnetic instantaneous short-circuit protection relay : en fr
  • FR905525A - Loudspeaker intercom electrical devices with central station with single amplifier : en fr
  • FR905515A - Improvements to indirectly controlled amplifiers : en fr
  • US2390177A - Pull rod carrier : en
  • GB573712A - Improvements in or relating to the production of pest control agents : en
  • FR905554A - Gear shifting device for steam engines : en fr
  • CA431630A - Alkylidene derivative : en fr
  • US2390346A - Art of making deep drawing steel : en
  • US2390467A - Lock : en
  • CA431628A - Television signal translating circuit : en fr
  • CA431708A - Series-connected envelope making apparatus : en fr
  • CA431716A - Rayon manufacture : en fr
  • US2390101A - Suction cleaning apparatus : en
  • US2390099A - Chemical process : en
  • US2390276A - Conveyer structure : en
  • CA431720A - Bottle dispensing machine : en fr
  • CA431586A - Wheel structure : en fr
  • US2390304A - Means for determining and recording the stresses in wire ropes, chains, etc. : en
  • CA431572A - Stiffened fabric : en fr
  • US2390243A - Hearing aid device : en
  • USD143069S - Design for a dress : en
  • US2390416A - Orthopedic child's sandal : en
  • US2390120A - Can body maker : en
  • USD143094S - Design for a cutting machine : en
  • DK64136C - Disc changer for Magasing gramophones. : da en
  • US2390447A - Cultivator plow : en
  • US2390173A - Lock fastener : en
  • US2390298A - Jacket removing plug : en
  • US2390283A - Spring forming machine : en
  • USD143060S - Design fob a refrigerator panel : en
  • US2390381A - Nail cleaning attachment for nail files : en
  • USD143082S - Design for a bathing suit : en
  • FR905368A - Fusion process of various kinds of copal : en fr
  • CA431648A - Cellulose acetate shaping method : en fr
  • CA431664A - Pump : en fr
  • US2390054A - Casting device : en
  • USD143083S - Design for a road broom frame : en
  • US2390080A - Process for breaking petroleum emulsions : en
  • AU2537845A - A strap fora paperbag : en
  • US2390367A - Journal lubricator structure : en
  • CA431670A - Tube extending and flaring machine : en fr
  • US2390062A - Spreader stoker mechanism : en
  • CA431678A - Television system : en fr
  • US2390246A - Syringe : en
  • US2390184A - Cool wet dressing with bandages : en
  • US2390045A - Method of making composite siding and roofing : en
  • US2390284A - Derrick structure : en
  • USD143104S - Young la.vatory : en
  • GB573743A - Gyro erecting mechanism : en
  • CA431570A - Coating composition : en fr
  • US2390327A - Allyl and substituted allyl acrylates : en
  • USD143096S - Design fob a c-clamp : en
  • FR905421A - Adjustable capacitor for high frequency application : en fr
  • US2390316A - Acid recovery process : en
  • US2390397A - Dental X-ray film identifier : en
  • GB573697A - Improvements in or relating to multiple metal hose clips : en
  • US2390361A - Median device : en
  • US2390479A - Mobile accounting device : en
  • US2390282A - Electrolytic barrel pickling and polishing : en
  • US2390044A - Piston ring : en
  • US2390376A - Cutting machine : en
  • US2390483A - Internal construction for stoves : en
  • AU1103743A - Method of shave-milling steel : en
  • CA431624A - Spindle structure : en fr
  • US2390164A - Conjoint polymerization products : en
  • US2390185A - Production of mixed organic esters of cellulose : en
  • US2390217A - Coating and coating methods : en
  • US2390375A - Hemp turning machine : en
  • CA431687A - Diamond drill : en fr
  • CA431681A - Television apparatus : en fr
  • CA431698A - Reciprocating pump : en fr
  • US2390079A - Process for breaking petroleum emulsions : en
  • US2390470A - Preparation of alpha, beta-dichloropropionitrile : en
  • US2390170A - Machine for assembling shafts and armature cores : en
  • CA431640A - Corrugated tube making apparatus : en fr
  • CA431682A - Frequency control for ultra high frequency devices : en fr
  • CA431594A - Gyroscope testing apparatus : en fr
  • FR905531A - Arrangement for motor-wound spring watch movements with a stopper against recoil, at least in the vicinity of the spring housing : en fr
  • FR905438A - New installation of calibrated high frequency voltage generators : en fr
  • AU120623B2 - Method of preparing a cocoa extract : en
  • FR905395A - Improvements to articulated arm cycle brakes : en fr
  • US2390418A - Building structure : en
  • USD143088S - Combined battery tester and charger : en
  • CA431633A - Composite printing plate forming method : en fr
  • GB573729A - Improvements relating to bearings : en
  • IE17481L - Mercury-vapour turbo-generator : en
  • FR905504A - Tangent rectified load cell device for automatic weighing instruments : en fr
  • CA431617A - Shoe sole attaching method : en fr
  • CA431676A - Frequency modulating apparatus : en fr
  • CA431579A - Foot massager : en fr
  • CA431612A - Amino plastic composition : en fr
  • GB573821A - Building construction incorporating beams made of concrete or like material : en
  • CA431692A - Electric welded crankshaft : en fr
  • GB573758A - Improvements in or relating to covering materials for aircraft frame structures : en
  • USD143086S - Design for a nut bowl : en
  • GB573773A - Improvements in or relating to electric motors : en
  • GB573724A - Process for the production of aliphatic ketones : en
  • FR905400A - Brake for cycles : en fr
  • GB573785A - Process for the production of polymerised nitroethylene : en
  • CA431696A - Geochemical prospecting method : en fr
  • FR905579A - Electrical resistance in which the conductor or semiconductor is incorporated into a mass of hardened synthetic resin, and its method of manufacture : en fr
  • GB573784A - Method and apparatus for the consolidation of slubbings or rovings : en
  • FR905385A - Process for preparing, by the viscose process, synthetic yarns exhibiting high dry strength and high curling strength : en fr
  • FR905511A - Device for automatically sowing and distributing small seed in the furrow : en fr
  • FR905471A - Interlocking hollow chipboard : en fr
  • FR905386A - Process for obtaining esters of fatty acids or fatty acids from products or mixtures containing resinous acid and fatty acids : en fr
  • FR905548A - Process for manufacturing hollow bodies, tubes or similar objects subjected to very high forces : en fr
  • FR905437A - Device for eliminating external radiation due to high frequency currents : en fr
  • FR905549A - Assembly intended to generate a voltage proportional to time : en fr
  • US2390360A - Control mechanism for hydraulic pumps : en
  • US2390194A - Grating : en
  • FR905572A - Dispersions of pest control products : en fr
  • USD143084S - Breathing apparatus : en
  • FR905514A - Pressure acetylene generator with calcium carbide drop in water : en fr
  • USD143079S - Bilge pump or similar article : en
  • GB573718A - Improvements in or relating to waggons for draw-benches and like apparatus : en
  • DK64126C - Procedure and Machine for Transforming Tubes. : da en
  • US2390043A - Control apparatus : en
  • FR905599A - Improvements made in the establishment of wood lathes : en fr
  • FR905550A - Device sensitive to pressure differences : en fr
  • US2390174A - Continuous manufacture of welded wire mesh : en
  • FR905373A - Improvements to pump and cylinder safety locks : en fr
  • US2390422A - Method of producing a coating composition : en
  • FR905383A - Manufacturing process, by the viscose process, of synthetic fibers or films having high resistance to use : en fr
  • US2390163A - Typewriting accounting machine : en
  • US2390403A - Method and apparatus for the launching of revetment mats : en
  • FR905479A - Packaging : en fr
  • FR905540A - Industrial slush and manure digester for the production of methane gas : en fr
  • GB573741A - Improvements in or relating to bituminous compositions containing mineral aggregates : en
  • US2390476A - Sulphoaliphatic guanamines : en
  • US2390421A - Machine for removing snow : en
  • USRE22700E - Paul mtjller : en
  • CA431713A - Rotary spiral plough : en fr
  • FR905480A - Network protection improvements : en fr
  • CA431685A - Composite metal coupling member : en fr
  • CA431699A - Motion picture producing method : en fr
  • GB573831A - Manufacture of new sulphur dyestuffs : en
  • GB573770A - Production of organic arsenic compounds : en
  • US2390123A - Printing inks and vehicles therefor : en
  • FR905422A - Acid cosmetic creams for the skin : en fr
  • GB573760A - Improvements relating to ventilating and pressure maintaining apparatus for aircraft, vehicles, motor boats and the like : en
  • CA431621A - Clamp : en fr
  • FR905451A - Assembly lock for removable furniture and other applications : en fr
  • FR905559A - Neck and receptacles fitted with this neck : en fr
  • GB573825A - Improvement in dynamo-electric machines : en
  • US2390443A - Apparatus for filling containers : en
  • CA431665A - Abrasive : en fr
  • CA431616A - Adhesive composition : en fr
  • GB573759A - Improvements relating to the production of flexible films, filaments and the like : en
  • USD143062S - Design fob a dress : en
  • US2390220A - Sewing machine drive : en
  • USD143098S - Housing for threshing and separating mechanism op a harvester-thresher : en
  • US2390064A - Paper hat : en
  • CA431569A - Clutch : en fr
  • CA431694A - Self-locking nut plate : en fr
  • US2390105A - Method and apparatus for converting ore : en
  • US2390165A - Imine condensation process : en
  • FR905452A - Method and device for ensuring the safety of an aircraft control which is to operate only on the ground : en fr
  • FR905429A - Combined transformer and pre-magnetization inductor applied to the supply of an electric arc and circuits using them : en fr
  • FR905358A - Gas burner and heaters built with this burner : en fr
  • USD143076S - Design foe a toy musical merry-go- round : en
  • FR905454A - Advanced fire connection : en fr
  • GB573754A - Improvements in and relating to high intensity light sources : en
  • US2390451A - Tenter drier : en
  • FR905600A - Special fishing rod for light casting : en fr
  • FR905392A - Improvements to methods and devices intended for comparison or measurement of constants in electrical circuits : en fr
  • FR905587A - Sophisticated installation, including central heating with hot water : en fr
  • US2390127A - Combined fairing and chock for aircraft : en
  • US2390425A - Control apparatus : en
  • FR905457A - Improvement in amplitude modulation devices : en fr
  • FR905539A - television image transmitter : en fr
  • GB573707A - Improvements in the formation of rubber treads on vehicle tyres : en
  • GB573708A - Supporting clip for conduits : en
  • IE16985L - Cloches, glasshouses, etc. : en
  • US2390117A - Rolling door construction : en
  • US2390171A - Tube machine : en
  • US2390428A - Universal vise : en
  • US2390335A - Method of preparing hydroxy derivatives of aliphatic acids and new compounds produced thereby : en
  • US2390252A - Apparatus for determining permeabilities of porous media : en
  • US2390457A - Apparatus for spraying container parts : en
  • US2390449A - Alarm system : en
  • FR905506A - economizer for recuperative heaters : en fr
  • US2390087A - Sheathing unit : en
  • US2390238A - Quenching of aluminum-magnesium alloys : en
  • US2390249A - Insect-repellent composition : en
  • US2390222A - Unit transmitter printing and signaling system : en
  • US2390322A - Seismic surveying : en
  • FR905352A - Method for varying the frequency dependence of dip-coil microphones : en fr
  • GB573808A - Improvements in or connected with arrangements for collecting and removing dust and fly from carding machines : en
  • GB573829A - Improvements in or relating to gauges : en
  • US2390204A - Combination booster pump : en
  • FR905508A - Process for preparing neutral copper acetate and equipment for its implementation : en fr
  • GB573695A - Improvements in or relating to metal hose clips : en
  • IE17040L - Cardboard cartons paper bags etc : en
  • FR905517A - Auxiliary fuel gas inlet regulator requiring reheating for internal combustion engines using two or more fuels simultaneously : en fr
  • GB573781A - Improvements in fluorescent electric lighting fittings : en
  • GB573768A - Improvements in or relating to the coating and impregnating of textile materials with cellulose : en
  • CA431610A - Railway crossing : en fr
  • US2390078A - Process for breaking petroleum emulsions : en
  • USD143102S - Design for an air purifying canister : en
  • US2390129A - Casting apparatus and method : en
  • USD143061S - Design for a fluorescent lighting fixture : en
  • US2390057A - Coin holder : en
  • US2390096A - Machine for applying fasteners to paper booklets : en
  • CA431629A - Background noise suppressor : en fr
  • CA431666A - Diamond abrasive : en fr
  • US2390382A - Fuse-setting apparatus : en
  • AU129552B2 - Tuning control mechanism for radio receivers : en
  • AU2532445A - Coaster brake : en
  • US2390097A - Machine for manipulating belts of cartridges for automatic guns : en
  • USD143097S - Design for a breathing apparatus : en
  • US2390354A - Method of molding glass : en
  • US2390244A - Catalytic conversion of hydrocarbons : en
  • CA431597A - Gear shift lever mechanism : en fr
  • AU131493B2 - A pressure, vacuum or temperature gauge : en
  • GB573705A - Improvements in steam and water mixing devices : en
  • US2390357A - Card holding attachment : en
  • US2390386A - Napped fabric and method : en
  • US2390237A - Tuning apparatus for musical instruments : en
  • AU2429245A - Improvements in or relating to means for bonding polythene to metal surfaces : en
  • AU2515345A - v Improvements in or relating to hand sewing needles : en
  • US2390195A - Flour duster : en
  • US2390247A - Toy gun : en
  • AU120621B2 - Improvements in or relating to container and method of manufacture thereof : en
  • FR905584A - Method and device for electrolytically chroming half-bearings : en fr
  • US2390266A - Manufacture of molded composition friction bodies : en
  • AU2502845A - Improvements in and relating tothe production of mashed potato powder : en
  • CA431565A - Rotary machine : en fr
  • CA431590A - Drill reaming apparatus : en fr
  • US2390481A - Modified formaldehyde-acetone resin and process of making same : en
  • US2390116A - Rolling door construction : en
  • FR905570A - Setup for measuring the permeability of iron cores of transformers and coils : en fr
  • CA431657A - Electrical contact : en fr
  • US2390339A - Magnetic hand tool : en
  • CA431660A - Riboflavin compound : en fr
  • US2390406A - Alkaline composition of matter : en
  • FR905411A - Device used to supply AC voltage to a consuming device consisting of two quadrupoles : en fr
  • US2390118A - Coating machine : en
  • US2390081A - Process for breaking petroleum emulsions : en
  • US2390055A - Railway skate control and operating apparatus : en
  • AU2515245A - Improvements in or relating to electric switches ofthe pushbutton type : en
  • AU1320144A - An improved support for garden hoses : en
  • FR905590A - Adjustment device for thermal transformers : en fr
  • FR905418A - Manufacturing process of toes and / or heels of stockings on rectilinear hosiery looms with picking : en fr
  • FR905440A - Improvements to coupling circuits : en fr
  • US2390446A - Vulcanizates of furylethylene polymers : en
  • CA431578A - Game apparatus : en fr
  • GB573720A - Improvements in or relating to the production of derivatives of propionaldehyde : en
  • FR905359A - Game allowing the construction of a circus using spare parts made of metal, wood and canvas : en fr
  • FR905552A - Preservation of perishable products : en fr
  • GB573717A - Improvements in frequency changers : en
  • FR905453A - Process for obtaining a mold intended for the manufacture of artificial teeth in polymerization products and all plastics : en fr
  • GB573728A - Improvements relating to bearings : en
  • US2390286A - Portable elevator : en
  • US2390459A - Apparatus for debarking and cleaning logs : en
  • CA431622A - Gun-turret for aircraft : en fr
  • CA431637A - Mechanical adjuster : en fr
  • FR905351A - Press tool used to make molded glass parts : en fr
  • US2390226A - Motor actuated eraser : en
  • US2390475A - Antifreeze device : en
  • US2390280A - Apparatus for projecting liquid jets : en
  • FR905523A - Projectile velocity measuring device : en fr
  • FR905472A - Improvements to curtain rods, tubes and the like : en fr
  • CA431712A - Moulded article manufacture : en fr
  • CA431709A - Segmental packing ring : en fr
  • GB573703A - Apparatus for securing a handle to a cup or other holloware article made of earthenware or china : en
  • GB573790A - Process for increasing the wash fastness of dyed textiles or flexible organic sheet materials : en
  • US2390130A - Cooling means for dynamoelectric machines : en
  • US2390310A - Turnbuckle tool : en
  • CA431625A - Saw-tooth wave generator : en fr
  • CA431718A - Sealed bag : en fr
  • FR905412A - Electrical measurement bridge and appropriate impedances : en fr
  • FR905467A - Multiple degrees of freedom recorders : en fr
  • FR905402A - Measurements table : en fr
  • GB573800A - Remote control transmission device : en
  • FR905424A - Process for manufacturing electric heating conductors, annealing boxes or the like having a high refractory power from iron-aluminum-chromium alloys : en fr
  • US2390332A - Blower apparatus : en
  • CA431680A - Television pickup tube : en fr
  • CA431723A - Steam generator : en fr
  • DK64129C - Electrical Switch with a single Push Button. : da en
  • CA431604A - Drawer with extension slide arms : en fr
  • GB573787A - Improvements in or relating to the manufacture of soap : en
  • FR905382A - Process for inoculating, with yeast, acidic substrates with addition of phosphates : en fr
  • FR905526A - Improvements to electrical intercom loudspeaker devices with central station with single amplifier : en fr
  • FR905462A - Chain renovation process and resulting product : en fr
  • FR905582A - Spade hammer for extracting clay and other rocks : en fr
  • GB573769A - Improvements in or relating to loading and unloading apparatus particularly for heattreating apparatus : en
  • GB573793A - Amplifying arrangement using saturable bore reactors : en
  • AU129554B2 - Improvements in or relating to electric switches ofthe pushbutton type : en
  • AU2524645A - Improvements in throttling and pressure regulating valves : en
  • GB573710A - Gyro caging device : en
  • USD143072S - Design for a sign : en
  • CA431602A - Brake hanger wear plate : en fr
  • CA431711A - Paper roll dispenser : en fr
  • US2390404A - Method for manufacturing optical lenses and the like : en
  • US2390448A - Dispenser : en
  • CA431677A - Directional antenna : en fr
  • CA431652A - Spraying machine : en fr
  • CA431656A - Rigid article testing method : en fr
  • CA431707A - Shoe part trimming machine : en fr
  • US2390085A - Refrigeration : en
  • FR905545A - Substitute for fibrous materials such as hemp, flax, raffia bast and the like : en fr
  • GB573734A - Improvements in preselective transmissions : en
  • FR905367A - Process for the solubilization of hard fossil resins : en fr
  • US2390390A - Heat drying printing inks and vehicles therefor : en
  • FR905529A - Process for the production of artificial resins starting from lignin : en fr
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  • FR905384A - Process for preparing yeasts exhibiting increased fermentability : en fr
  • US2390424A - Mirror or reflector : en
  • US2390125A - Binder case construction for books : en
  • US2390154A - Spreader stoker apparatus : en
  • FR905363A - Brake for two movable parts longitudinally relative to each other : en fr
  • FR905493A - Elastic terminal for electrical conductors : en fr
  • GB573726A - Improvements relating to tanks for the transport of liquids : en
  • FR905498A - Electro-mechanical remote control device : en fr
  • CA431606A - Temperature compensating accumulator for hydraulic systems : en fr
  • FR905558A - Method, tool and device for lapping cylindrical bores : en fr
  • US2390241A - Lifting apparatus : en
  • FR905588A - Semi-continuous feeder for envidering machines : en fr
  • FR905456A - Frequency modulated wave detection : en fr
  • GB573721A - Improvements in or relating to the production of food : en
  • GB573732A - Improvements in lubricant sealing means for pivoted joints : en
  • GB573738A - Improvements in pads or treads for bottoms of footwear : en
  • GB573788A - Improvements relating to the production of alcohols : en
  • US2390200A - Nonraveling edge, reinforcing rib or joint structure for knitted metallic mesh fabrics and method of producing same : en
  • US2390345A - Automatic control equipment : en
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  • US2390060A - Razor rack : en
  • US2390372A - Open hole sleeve packer : en
  • CA431642A - High frequency electrical conductor or radiator : en fr
  • CA431671A - Tubing coupling : en fr
  • CA431721A - Bottle dispensing machine : en fr
  • US2390148A - Tool mounting : en
  • CA431596A - Cement mortar mixing method : en fr
  • US2390260A - Automotive vehicle : en
  • USD143065S - Design fob a dress : en
  • CA431626A - Electric induction apparatus : en fr
  • CA431654A - Phenol-terpene resin : en fr
  • US2390312A - Roller box or steady for lathes and like machines : en
  • USD143058S - Design for a compact : en
  • CA431661A - Writing machine carbon control : en fr
  • US2390210A - Fortification of rice : en
  • AU135156B2 - Container with flat foldable handle strap : en
  • CA431659A - Alkali metal derivative of riboflavin : en fr
  • US2390392A - Carton and carton blank : en
  • FR905366A - Process for the preparation of substances particularly suitable for application by electrophoresis : en fr
  • CA431695A - Soil gas prospecting method : en fr
  • AU2527245A - Improvements in or relating tothe manufacture of ethylene and polymerisation products therefrom : en
  • CA431719A - Strip-transfer mechanism : en fr
  • FR905501A - New process and product for preserving eggs : en fr
  • FR905520A - Gasifier, in particular for motor cars : en fr
  • CA431564A - Timber saw : en fr
  • US2390450A - Lithium base greases : en
  • US2390100A - Hydrocarbon polymerization : en
  • US2390042A - Shoe and method of making same : en
  • FR905490A - Organic glycerin substitutes and their applications : en fr
  • FR905580A - Home budget filing cabinet : en fr
  • CA431726A - Selectivity control circuit : en fr
  • US2390143A - Controlling or regulating device for internal-combustion engines : en
  • US2390234A - Safety lockable cover for gas ranges : en
  • US2390460A - Double-acting kneader improvement : en
  • US2390203A - Communication system : en
  • US2390368A - Production of para-divinylbenzene : en
  • US2390371A - Punching machine : en
  • GB573813A - Improvements in production of chromium compounds : en
  • FR905426A - Mass remaining permanently plastic, applicable on tape-like substrates for corrosion protection or in combination with fibers as sealant : en fr
  • US2390452A - Method of producing composite metal stock : en
  • US2390128A - Air blast circuit breaker and control therefor : en
  • USD143100S - Design fob. a valve handle : en
  • US2390218A - Motor vehicle : en
  • DK64145C - Automatic Maneuvering Device for Non-Self-Starting Wind Motors for Generating Electricity. : da en
  • FR905560A - Safety razor : en fr
  • GB573715A - Improvements in and relating to two-stroke cycle internal combustion engines : en
  • GB573757A - Improvements in or relating to method of polymerizing allyl alcohol : en
  • FR905481A - Amplitude limitation method : en fr
  • US2390126A - Sewing machine : en
  • FR905551A - Liquid Cathode Ion Discharge Tube : en fr
  • US2390142A - Brassiere : en
  • USD143077S - Design for an eye shield : en
  • GB573818A - Improvements in control equipment for variable speed electric motors and hoisting machinery driven thereby : en
  • USD143074S - Design for a dental press : en
  • GB573801A - Improvements in hydraulic operating systems more particularly intended for hydraulically operated drop hammers : en
  • FR905535A - Soluble alginate products and their preparation process : en fr
  • GB573766A - Improvements in or relating to cartridge feeder strips for automatic fire arms : en
  • US2390141A - Drainage means for floating tank roofs : en
  • US2390426A - Machine for perforating, slitting, or scoring sheets : en
  • US2390109A - Airport landing signal apparatus : en
  • USD143071S - Design for a dress : en
  • AU2538045A - Nicotine concentrate in dry form : en
  • US2390396A - Accounting machine : en
  • AU128509B2 - Improvements in or relating to means for bonding polythene to metal surfaces : en
  • GB573780A - Improvements in and relating to magnetic cores for transformers : en
  • US2390437A - Production of brushes and the like : en
  • GB573693A - Production of benzene hexachlorides : en
  • AU1153743A - Anon-capacity resistance coupled circuit : en
  • AU129128B2 - Improvements in and relating tothe production of mashed potato powder : en
  • US2390208A - Heating apparatus : en
  • US2390356A - Fishing line reel brake : en
  • US2390287A - Sacculated article of footwear : en
  • CA431582A - Vehicle wheel : en fr
  • US2390156A - Platen mounting : en
  • FR905425A - Beam, hollow floor element, reinforced concrete : en fr
  • GB573750A - Device for removing or extracting pipe-cleaners from tobacco pipes : en
  • CA431655A - Aviation trainer : en fr
  • FR905407A - Removable reinforced cement rabbit stand : en fr
  • FR905522A - Process for the preparation of an alpha, gamma-dioxy-beta, beta-dimethyl-butyric acid derivative : en fr
  • GB573694A - Improvements in or relating to automatic firearms : en
  • US2390258A - Hydraulic pressure fluid : en
  • US2390320A - Pressure vessel : en
  • FR905420A - Device for distillation, in particular mineral oils, with distillation gutters : en fr
  • US2390049A - Air brake : en
  • US2390373A - Hot top : en
  • FR905362A - Detachable pen holder : en fr
  • GB573824A - Improvements in and relating to sidecar attachments for bicycles : en
  • GB573719A - Process for the enrichment of vitamin e active compounds : en
  • CA431701A - Fluid transfer mechanism : en fr
  • USD143067S - Design for a projectoe : en
  • FR905449A - Lens shutter for photographic cameras with resistors mounted inside or connected and a barrier layer cell : en fr
  • FR905612A - Automatic table for removing pneumatic tires from automobile wheels : en fr
  • US2390324A - Automatic length adjuster : en
  • AU2524945A - Hydraulic power unit for operating a bulldozer : en
  • USD143081S - Le claire : en
  • US2390138A - Method of conditioning gel molds : en
  • FR905405A - Riflescope with single magnification lenses : en fr
  • CA431673A - Amplifier energizing circuit : en fr
  • FR905435A - Improvement in mold release of objects made from liquid paste : en fr
  • AU2526345A - Improvements in or relating to steam irons : en
  • CA431705A - Bobbin winding machine : en fr
  • DK64139C - Procedure for Regulating a Gas Turbine Operated Using Waste Gas from a Combustion Engine. : da en
  • CA431603A - Partitioning means for partible bodies : en fr
  • AU129150B2 - Tractor crane : en
  • FR905442A - Crusher especially for agricultural products : en fr
  • GB573689A - Improvements in or relating to the production of pest control agents : en
  • FR905546A - Pushing device for formwork elements of extraction galleries : en fr
  • GB573804A - Improvements relating to valves : en
  • CA431634A - Can end sealing compound : en fr
  • CA431662A - Fat-soluble vitamin containing material processing : en fr
  • CA431589A - Water-tight boat lamp : en fr
  • US2390393A - Well casing cap : en
  • DK64127C - Process for the Preparation of Acidic Di-Esters of Alkylated 1,4-Naphthohydroquinones. : da en
  • FR905578A - Process for providing layers of chlorinated polymers on surfaces with multiple linear condensation products : en fr
  • GB573767A - Improvement in and relating to the production of aqueous solutions of cellulose : en
  • AU1297144A - Tread vulcanizing mold for tires : en
  • US2390469A - Picker for spinner frames : en
  • GB573835A - Improvements in or relating to the manufacture of interpolymers of styrene with polyhydric alcoholic mixed esters and of coating compositions obtained therefrom : en
  • GB573711A - Improvements in or relating to water softening : en
  • CA431636A - Slide-lock device : en fr
  • US2390484A - Convertible velocipede : en
  • US2390387A - Telephoto objective : en
  • US2390056A - Oil burner : en
  • US2390411A - Sulphonyl cyanamides : en
  • FR905465A - Device for controlling variable capacitors and its applications, in particular in radio-electricity : en fr
  • FR905537A - Relaxation oscillator comprising a gas discharge lamp : en fr
  • AU128420B2 - Process and apparatus for electroplating zinc : en
  • FR905401A - New application of heat treatment to the purification and enrichment of natural strontium sulphate by the elimination of calcium carbonate : en fr
  • IE17290L - Glass manufacture : en
  • GB573696A - Improvements in or relating to multiple metal hose clips : en
  • US2390297A - Gas purification : en
  • US2390358A - Protective device for ships : en
  • US2390399A - Paper dispenser : en
  • US2390137A - Impression material : en
  • US2390190A - Chemical process and product : en
  • US2390212A - Antifoaming agents : en
  • FR905487A - Snap-on and snap-action switch : en fr
  • FR905542A - Valve without stuffing box : en fr
  • US2390233A - Sealed aviator's suit and helmet and means for controlling gas pressure and oxygen delivery therein : en
  • FR905470A - Electrical switchgear system : en fr
  • FR905488A - Felt calenders for drying fabrics : en fr
  • FR905387A - Mechanics of perforated binder : en fr
  • US2390333A - Air blast circuit breaker and control therefor : en
  • US2390278A - Process for the production of tropic acid : en
  • FR905371A - Self-adjusting mixer for introducing aphrogenic products into pressurized water supply pipes : en fr
  • US2390401A - Ordnance : en
  • AU120619B2 - Tread vulcanizing mold for tires : en
  • AU2462545A - Amplitude limiters : en
  • US2390134A - Ball cock valve structure : en
  • US2390377A - Controller for lifting magnets : en
  • US2390415A - Record controlled annunciator : en
  • AU129695B2 - Nicotine concentrate in dry form : en
  • US2390334A - Aircraft retractable alighting gear : en
  • FR905406A - Grafting tool : en fr
  • US2390133A - Turbine construction : en
  • CA431663A - Tanning composition and process : en fr
  • US2390458A - Game : en
  • AU1119843A - Improvements in automobile tyre retreading rims and clamps : en
  • CA431635A - Cutting tool : en fr
  • USD143064S - Design fob a dress : en
  • US2390093A - Airplane wing deicing means : en
  • US2390201A - Seal assembly : en
  • CA431727A - Analyzing device : en fr
  • US2390084A - Regulating apparatus : en
  • US2390400A - Production of sodium phosphates : en
  • CA431619A - Aircraft cabin pressure control means : en fr
  • GB573834A - Coating textile fabrics and compositions therefor : en
  • FR905448A - Process for the application of paints and decoration, under specific lighting, applicable in particular to the theater, cinematography, photography and television industries : en fr
  • GB573811A - Manufacture of vulcanised materials : en
  • US2390075A - Conveyer for ovens : en
  • US2390179A - Building construction : en
  • CA431700A - Submerged booster pump assembly : en fr
  • US2390337A - Method and machine for making capsules, particularly gelatin capsules : en
  • GB573820A - Improvements in electric control systems for fluid coolers and similar heat exchangedevices : en
  • US2390227A - Damper construction : en
  • US2390321A - Grass catching apparatus : en
  • US2390348A - Building covering : en
  • CA431613A - Amino plastic composition : en fr
  • CA431717A - Thread tension control : en fr
  • US2390182A - Refrigerator equipped with a motordriven refrigerating apparatus of the compression type : en
  • CA431679A - Frequency modulation radio receiver tuning indicator : en fr
  • US2390300A - Shock-absorbing floating dry dock : en
  • CA431728A - Rectification and voltage increase apparatus : en fr
  • GB573751A - Improvements in or relating to cartridge feed mechanism for automatic fire arms : en
  • DK64133C - Spout with retaining plate for placement on pots. : da en
  • CA431615A - Adhesive composition : en fr
  • AU120622B2 - Improvements in automobile tyre retreading rims and clamps : en
  • CA431568A - Engine speed governor : en fr
  • US2390465A - Undergarment : en
  • US2390225A - Manufacture of cement : en
  • US2390289A - Self-aligning piston : en
  • DK64128C - Electrical System for Transmitting Signals through a Line. : da en
  • US2390076A - Lock, latch, and the like : en
  • GB573810A - Fastening clip for bandages, dressings, slings and similar objects : en
  • FR905476A - Elimination of neutral on bicycles and all other vehicles operated by pedals and cranks : en fr
  • AU837643A - An improvement in concrete building construction : en
  • AU2537945A - Container with flat foldable handle strap : en
  • US2390365A - Electric switch : en
  • CA431608A - Signalling apparatus : en fr
  • CA431672A - Wave signalling method and apparatus : en fr
  • US2390216A - Light shutter : en
  • US2390232A - Clamp : en
  • US2390330A - Construction design and shrink joint for ships : en
  • US2390385A - Mounting for lighting tubes : en
  • AU120611B2 - Improvements in electrical plug and socket spring contacts or connectors : en
  • AU137210B2 - Pattern material, pattern and method : en
  • US2390427A - Record controlled computing machine : en
  • CA431611A - Steam fractionating apparatus for terpenes : en fr
  • FR905388A - Contractable punch for molding and the like : en fr
  • FR905393A - Improvements to absorption refrigeration machines : en fr
  • AU131202B2 - Hydraulic power unit for operating a bulldozer : en
  • AU130804B2 - Improvements in or relating to plucking machines : en
  • CA431638A - Clutch and brake assembly : en fr
  • US2390461A - Blockade device : en
  • US2390431A - Piston skirt expander : en
  • FR905459A - Typographic typesetting machine : en fr
  • US2390077A - Drawstring for trouser legs : en
  • USD143091S - Ash tray or similar article : en
  • AU1312644A - Improvements relating tc transmission gears and gear toothed clutches : en
  • CA431688A - Pipe end upsetting apparatus : en fr
  • CA431562A - Bearing : en fr
  • US2390279A - Internal-combustion engine : en
  • CA431563A - Bottle carrier : en fr
  • GB573830A - An improved device for checking angular measurements : en
  • FR905419A - Process for obtaining the rounding of the heel of a stocking on a straight hosiery loom : en fr
  • AU2508145A - A pressure, vacuum or temperature gauge : en
  • FR905563A - Windscreen wiper device, especially for railway wagons : en fr
  • GB573698A - Improvements in or relating to screw mechanism for tightening metal band clips : en
  • GB573778A - Manufacture of aliphatic dienes : en
  • US2390317A - Steering indicator device for vehicles : en
  • US2390191A - Phosphate glass : en
  • US2390462A - Fabric construction : en
  • GB573797A - An improved bottle-washing machine : en
  • FR905369A - Method and device for firing, roasting and sintering materials of all kinds and in particular raw cement in rotary tube furnaces : en fr
  • GB573823A - Improvements in or relating to the production of narrowed goods in flat knitting machines : en
  • CA431651A - Combination incubator and hatcher : en fr
  • US2390161A - Airplane power plant : en
  • USD143066S - Design for a display stand for grind- ing wheels and similar articles : en
  • US2390167A - Dehydrating method and apparatus : en
  • US2390309A - Piercer : en
  • FR905444A - On-board heading center : en fr
  • US2390140A - Preparation of alkyl lactates : en
  • US2390325A - Fastening device : en
  • US2390292A - Holder for upright staffs and the like : en
  • US2390082A - Process for breaking petroleum emulsions : en
  • FR905512A - Improvements to refractory linings for foundry furnaces : en fr
  • US2390271A - Window operator : en
  • US2390351A - Process for making jordan engine linings : en
  • US2390379A - Wall plate : en
  • FR905428A - Process of manufacturing canned food : en fr
  • FR905557A - Device for producing pressure when applying friction linings to their support : en fr
  • DK64144C - Procedure and Plant for the Removal of Coarser Mineral Substances from the Urban Waste and Wastewater Sludge Available for Simultaneous Disposal. : da en
  • GB573702A - Preparation of alkali metal hydracrylates : en
  • FR905527A - Pestle or agrarian boot for mutilated legs having to walk on sands and other inconsistent terrain : en fr
  • US2390157A - Wire pay-off reel : en
  • FR905360A - Process for the manufacture of objects molded from artificial horn, insoluble in water : en fr
  • FR905376A - Charger for packaging machines : en fr
  • FR905431A - Process for drying and concentration : en fr
  • FR905394A - Improvement to silicate-based paints ensuring their adhesion to plaster, wood, metals and other materials : en fr
  • US2390352A - Head protector : en
  • FR905477A - Process for the production of concentrated fruit and vegetable juices : en fr
  • US2390149A - Arc welding device : en
  • US2390275A - Clarinet attachment : en
  • US2390366A - Glass enamel composition : en
  • US2390482A - Printing scale : en
  • FR905468A - Improvements to the fitting of reinforcement linings on shoe soles and heels : en fr
  • GB573795A - Improvements in and relating to storage batteries or accumulators : en
  • FR905396A - New whitewash : en fr
  • CA431581A - Integrating measuring system : en fr
  • US2390329A - Darning attachment for sewing machines : en
  • US2390051A - Means for measuring magnetic fields : en
  • US2390202A - Synthetic drying oils : en
  • US2390069A - Control mechanism : en
  • CA431595A - Sawdust blower : en fr
  • US2390209A - Radio receiving system : en
  • US2390242A - Article transferring apparatus : en
  • FR905569A - Device for preventing members fixed to shafts or the like from moving axially : en fr
  • US2390121A - Method and machine for assembling washers with screw-threaded fasteners : en
  • US2390362A - Optical instrument : en
  • US2390384A - Wind indicator : en
  • USD143095S - Design fob a basket : en
  • FR905365A - Printing frame support for enlargers : en fr
  • US2390144A - Speed control system : en
  • GB573748A - Improvements in or relating to protective systems for locking the protection relays of electrical lines in unstable conditions : en
  • FR905528A - Device for dressing a grinding wheel according to a tooth gap limited by involute curves : en fr