• US2308518A - Keyboard perforator transmitter : en
  • US2308844A - Direction indicator : en
  • AU116388B2 - Facsimile recording paper : en
  • FR878319A - Support device for ceramic sinks : en fr
  • US2308524A - Toy : en
  • US2308919A - Stapling machine : en
  • DE730770C - Device whose piston, sliding in a cylinder, acts on an exchangeable tool : de en
  • CA410110A - Elevator closure operating mechanism : en fr
  • US2308576A - Method for the manufacture of artificial fibers and staple fiber yarns : en
  • US2308903A - Process for the production of the carbon chloride compounds c4cl6 : en
  • AU116401B2 - Coupling circuit : en
  • USD134841S - Design foe a dkess : en
  • FR878446A - Waterproofing of fabrics against liquids and gases : en fr
  • GB550683A - Improvements in the working of mineral or mineral-like bodies : en
  • FR878338A - Process for separating gas from anode and cathode of electrolytic devices with liquid electrolyte : en fr
  • US2309001A - Refrigerator : en
  • US2309018A - Method of making composite strip stock : en
  • CA410078A - Engine starter gearing : en fr
  • FR878441A - Process for preparing 4-chloracolein and its homologues : en fr
  • GB550762A - Improvements relating to holding fibre and like building boards on the flanges of metal laths : en
  • CA410122A - Catalyst reactivating method : en fr
  • CA410069A - Fluorescent lighting unit : en fr
  • CA410076A - Drier felt : en fr
  • USD134852S - Design for a dress : en
  • US2308689A - Broaching machine : en
  • US2308881A - Flexible coupling : en
  • FR878499A - Improvements to high or medium frequency transformers, used more particularly in radioelectric devices : en fr
  • IE17340L - Multiply paper sacks. : en
  • US2308956A - Floating type hydraulic piston : en
  • US2308605A - Cotter pin : en
  • FR878312A - Process for the preparation of alpha- (4-methyl-phenyl) -beta-methylaminopropane : en fr
  • DE730782C - Arrangement for electrical heating and drying of the surface of electrically poorly conductive bodies : de en
  • US2308963A - Cam mechanism : en
  • USD134848S - Design for a dress : en
  • US2309060A - Illuminating phonograph pickup : en
  • US2308501A - Master cylinder : en
  • US2308784A - Apparatus for dyeing wool : en
  • US2308796A - Fighting airplane : en
  • GB550643A - Improvements in or relating to optical systems : en
  • FR878528A - Monoanodic mutator : en fr
  • FR878317A - Getter non-vaporizable for electric discharge vessels : en fr
  • GB550731A - Improvements in coincidental locking systems for motor vehicles : en
  • US2308853A - Article of resin bonded abrasive grains : en
  • US2308722A - Article assembling apparatus : en
  • CA410142A - Staple fibre yarn producing device : en fr
  • US2308506A - Full-fashioned stocking heel construction : en
  • US2308565A - Structural unit : en
  • AU437042A - A device for removing fencing posts andthe like fromthe ground : en
  • US2308708A - Milling machine transmission and control mechanism : en
  • FR878392A - Device making it possible to evacuate the air contained in the compression cylinder of hydraulic brakes, in particular for automobiles, as well as to perfect the filling thereof : en fr
  • FR878487A - Container closure : en fr
  • DE730800C - Vibrating contact inverter for generating a fundamental wave and a harmonic : de en
  • FR878358A - Process for slaughtering and loading coal and device for applying this process : en fr
  • FR878397A - Wooden wheel : en fr
  • FR878471A - Mercury switch for supplying two electrical circuits jointly or simultaneously : en fr
  • GB550700A - Improvements in and relating to caps or closures for bottles and like containers : en
  • US2308639A - Signaling and communication system : en
  • US2308742A - Pump : en
  • DE730816C - Device for determining the angular position of balancing weights to be attached to rotating bodies to be balanced : de en
  • US2308595A - Drier : en
  • US2308849A - Apparatus for manufacturing upholstery pads : en
  • GB550739A - An improved potato harvester : en
  • FR878428A - Electrical assembly intended for rectifying the amplitude or frequency of very short waves : en fr
  • GB550631A - Improvements in or relating to shaded photo-electric devices, more particularly for exposure meters : en
  • CA410146A - Window ventilator : en fr
  • FR878383A - Improvements to radio transmitters in order to avoid over-modulation : en fr
  • FR878543A - Device for automatic adjustment of various sizes : en fr
  • US2308545A - Dielectric for electrostatic condensers and condensers made therefrom : en
  • US2308781A - Stabilized gasoline : en
  • FR878391A - 1.5-Dichloro-naphthalene-4.8-dicarboxylic acid, 1.5-dichloro-4.8-di- (omega-chloroacetyl) -naphthalene acid and process for preparing these products : en fr
  • US2309034A - Method for cooling fluid catalysts : en
  • US2308882A - Switching device : en
  • FR878451A - Process for the treatment of lignino-sulfonic acids : en fr
  • US2308892A - Filler pipe cap lock : en
  • CA410063A - Electrically heated clothing : en fr
  • US2308511A - Fabric treatment : en
  • US2308835A - Polynuclear cyclic oxyketones and derivatives thereof and process of making same : en
  • FR878384A - Device for holding towels, packages, etc. on bicycles, motorcycles and similar vehicles : en fr
  • US2308594A - Manufacture of aliphatic compounds : en
  • US2308584A - Production of metal powder : en
  • US2308843A - Grinding wheel mount : en
  • FR878355A - Method and agent for combating fungal pests of plants : en fr
  • CA410055A - Clinch-nut : en fr
  • US2308489A - Manufacture of halogenated olefins : en
  • US2308985A - Centering device : en
  • USD134825S - Wrist locket or similar-article : en
  • GB550656A - Improvements in or relating to insoles for shoes : en
  • GB550691A - Improvements in the manufacture of red oxide of iron and sulphate of magnesia from waste sulphuric acid pickle : en
  • US2308676A - Composition and blank for recording sound : en
  • FR878519A - Adherent substrate for synthetic resin sheets : en fr
  • AU116404B2 - Improvements in tractor-operated mobile cranes : en
  • FR878308A - Method and apparatus for electromechanical force transmission, particularly applicable to motor vehicles : en fr
  • FR878354A - Improvement in control devices : en fr
  • USD134811S - Swinging teapot or article of similar nature : en
  • US2308896A - Sliding window : en
  • CA410059A - Helmet forming method : en fr
  • US2308734A - Method of relief-grinding cutters : en
  • DE730766C - Method and device for driving shaped pieces, e.g. B. Confectionery : de en
  • US2308851A - Carrier member for display racks : en
  • US2309008A - Vending machine : en
  • FR878536A - Fire-lighters and constituent material of these fire-lighters : en fr
  • US2308960A - Dispensing apparatus : en
  • US2308570A - Cook stove : en
  • DE730743C - Process for the production of welding steel strings : de en
  • GB550734A - Improvements relating to valves or cocks : en
  • GB550665A - A process for the manufacture of boxes and other hollow articles : en
  • FR878337A - Vertical file resting on its long side, for index cards reading flat : en fr
  • DE736951C - Spindle steering for motor vehicles : de en
  • USD134850S - Design foe a comb : en
  • US2308848A - Treatment of fats and oils : en
  • DE1527570U - : de en
  • US2309025A - Tire pressure indicator : en
  • FR878506A - Protection for armored machines and electrical devices, in particular transformers : en fr
  • DK60524C - Drive device for small pump systems. : da en
  • US2308887A - Heating system : en
  • CA410132A - Grinding material : en fr
  • US2308809A - Dispensing device : en
  • CA410101A - Wheeled track replacement unit for tractors : en fr
  • US2308571A - Shower cabinet : en
  • US2308713A - Shipping element : en
  • US2308799A - Cartridge lifting device for repeating and automatic firearms : en
  • US2309030A - Identification tag : en
  • GB550711A - Improvements relating to boron trifluoride catalysts : en
  • AU437842A - Improvements in lubricating apparatus : en
  • US2308539A - Telegraph transmitter : en
  • GB550647A - Improved tanning process : en
  • GB550745A - Improvements in coincidental locking systems for motor vehicles : en
  • FR878381A - Improvements in electric incandescent lamps and the like : en fr
  • FR878310A - Method and devices for continuous metal pickling : en fr
  • US2308718A - Holder for book matches : en
  • US2308746A - Booster pump and suction switch : en
  • GB550622A - Improvements in and relating to gear pumps : en
  • US2308552A - Macaroni spreader device : en
  • SE106358C1 - : en
  • US2308863A - Variable impedance : en
  • US2308913A - Reinforcing exhaust conduits : en
  • DE730774C - Circuit for amplification, rectification or vibration generation : de en
  • FR878407A - Device for supporting high-frequency iron cores in coil bodies : en fr
  • US2308547A - Variable speed transmission : en
  • US2308964A - Seat cushion : en
  • US2309003A - Cooling arrangement for gas turbines : en
  • US2309027A - Planographic plate process : en
  • USD134826S - Design for a calculator : en
  • US2308839A - Internal combustion engine : en
  • GB550628A - Improvements relating to the manufacture of galvanic batteries : en
  • GB550753A - Improvements in or relating to variable-pitch airscrews : en
  • US2308725A - Photographic shutter and synchronizing system : en
  • GB550676A - Improvements in or relating to upholstery spring assemblies : en
  • GB550692A - Improvements in clips such as are used for securing rubber and like hose to metal and other tubes : en
  • US2308485A - Safety grip : en
  • FR878367A - Multiple automatic folding systems : en fr
  • FR878301A - Manufacturing process of rayon, fibers and yarns using viscose : en fr
  • US2308918A - Double window : en
  • FR878325A - Electric starting device for internal combustion engines, in particular for motor vehicles : en fr
  • FR878516A - Automatic firearm with two independent magazines : en fr
  • CA410119A - Sectional scaffold : en fr
  • DE730786C - Process for the production of a metallic sprayed or pressed body from light metal : de en
  • FR878510A - Shoe brush with handle : en fr
  • US2308737A - Table : en
  • US2308705A - Timing mechanism : en
  • US2309071A - Black glass and method of making the same : en
  • DE730759C - Friction roller gear for stepless speed control : de en
  • FR878330A - Pliers for mounting pneumatic casings on their rim : en fr
  • FR878437A - Manufacturing process of yeast pastry pieces : en fr
  • US2308484A - Catheter : en
  • US2308723A - Sales promotion apparatus : en
  • USD134835S - Design for a license plate frame : en
  • US2308760A - Method of repairing damaged fabric : en
  • US2309004A - Well logging winch truck : en
  • DE730814C - vinyl record : de en
  • CA410085A - Electric lens : en fr
  • DE730806C - Rotary piston machine with a runner made of flexible building material and rotating off-center in the housing : de en
  • FR878467A - Improved degasser for the circulation of combustion engine oil : en fr
  • FR878545A - Sheet pile : en fr
  • CA410048A - Pitot tube : en fr
  • DE730794C - Suspension bridge with continuous stiffening beams : de en
  • FR878335A - Improvements to ignition devices for discharge lamps : en fr
  • FR878433A - wire rope stirrup for ski bindings : en fr
  • FR878486A - Lattice load-bearing beam : en fr
  • US2308678A - Washing machine : en
  • US2308894A - Brake control means : en
  • USD134831S - Design for a lamp lens : en
  • GB550668A - Improvements in the manufacture of blankets and the like : en
  • CA410064A - Paper fastener : en fr
  • US2308577A - Rug : en
  • FR878478A - Improvement in solid fuel stoves specially designed for fuels with a high ash melting point : en fr
  • US2308900A - Shading film : en
  • USD134842S - Design for a dress : en
  • FR878369A - Spindle for conical supports : en fr
  • FR878508A - Elastic bond : en fr
  • GB550657A - Improvements in the production of coloured artificial fibres : en
  • GB550758A - Improvements in or relating to draw-off taps, cocks or valves : en
  • IE16380L - Non-saponaceous detergents : en
  • FR878311A - Removable frame and hut : en fr
  • FR878418A - Lubricants manufacturing and improvement process : en fr
  • FR878372A - Device for optical printing of stereoscopic negatives : en fr
  • FR878514A - Motorcycle fuel tank : en fr
  • FR878339A - Corrugating machine for metal sheets, especially non-annealed sheets : en fr
  • US2308551A - Strip trimmer : en
  • GB550730A - Improvements in or relating to brush holders for paste, gum, paint and like receptacles : en
  • AU417342A - Luminescent screens : en
  • AU420242A - Frequency modulation receiver : en
  • US2308920A - Hair cutting device : en
  • FR878452A - Electric contact : en fr
  • FR878427A - Cooling bed for tubes : en fr
  • US2308568A - Metal wool pad : en
  • US2308757A - Expansion joint : en
  • US2308899A - Mechanism control : en
  • IE16430L - Block printing : en
  • US2308953A - Apparatus for punching and working metal : en
  • US2309002A - Apparatus for sewage treatment : en
  • US2308536A - Damming device : en
  • DK60519C - Procedure for the manufacture of healing preparations of embryonic substances. : da en
  • FR878457A - element to facilitate the bolt connection of construction parts : en fr
  • US2308877A - Bumping post : en
  • US2309069A - Column adjuster for bookkeeping machines : en
  • US2308500A - Braking system and control therefor : en
  • US2308745A - Pipe joint : en
  • USD134822S - Design for a shoe or similar article : en
  • US2308612A - Dissolving apparatus : en
  • FR878431A - Manufacturing process for fusible organic adherent coatings, emulsions and suspensions by recovering and products resulting from their application : en fr
  • US2308961A - Brake : en
  • US2308673A - Electric cable : en
  • US2308791A - Liquid level gauge : en
  • AU521542A - Improvements in removing aldehydes from mixtures such as essential oils : en
  • GB550727A - Improvements in or relating to electric arc welding : en
  • CA410134A - Hydrocarbon conversion : en fr
  • FR878333A - Device for heating thermoplastic masses : en fr
  • DK60525C - Drive unit device at Rear motor vehicles. : da en
  • US2308978A - Window frame structure : en
  • USD134844S - Design for a lady s hax : en
  • US2308544A - Terpene-modified phenolic resin and process for preparing same : en
  • US2308793A - Pile shield : en
  • US2308886A - Acoustic wave filter : en
  • USRE22253E - Testing and weighing device : en
  • CA410053A - Liquid egg material salvaging apparatus : en fr
  • AU354341A - Amplifying-circuit arrangement for ultra-short waves : en
  • AU116383B2 - An improved oil burner : en
  • CA410102A - Mineral wool furnace : en fr
  • US2308871A - Album for holding disk records : en
  • US2308840A - Web dispenser : en
  • US2308986A - Fluorescent bed lamp : en
  • US2308762A - Superheater arrangement and support therefor : en
  • DE730811C - Central heating boiler for small-grain, gas-rich fuels with an upright combustion shaft with a cross-section that increases downwards and with a side supply of combustion air : de en
  • FR878513A - Centrifugal filter ensuring the separation of solid particles suspended in fluids : en fr
  • US2308957A - Tire shaping apparatus and method : en
  • US2308496A - Folding seat : en
  • US2308507A - Stoker controlling system : en
  • US2308598A - Trigger mechanism for firearms : en
  • US2308979A - Engine starter gearing : en
  • DE730799C - Electromagnetic contactor with exchangeable magnetic coil and in connection with thermal overcurrent protection : de en
  • US2308614A - Bedspring or the like : en
  • US2308714A - Adjustable chair : en
  • CA410144A - Web cutting adjuster : en fr
  • FR878497A - Process for the treatment of waste cellulose liquors containing nitric acid : en fr
  • GB550679A - Improvements in golf ball winding machines : en
  • AU116413B2 - Improvements in or relating to gasfilled high-tension rectifiers : en
  • DK60528C - Valve for Air Hoses for Vehicles. : da en
  • US2308652A - Oil field derrick or the like : en
  • US2308869A - Acoustic wall panel : en
  • US2309024A - Center brace for car bolsters : en
  • AU421840A - Improved apparatus for dispensing beer andthe like : en
  • DE730749C - Wood fiber board : de en
  • FR878373A - Gear shift clutch intended in particular for automobiles : en fr
  • GB550671A - Improvements in diamond tools : en
  • CA410080A - Electric plug receptacle : en fr
  • US2308752A - Thermionic valve circuit having a constant output : en
  • GB550680A - Improvements in or relating to hydraulic press circuits : en
  • US2308533A - Saw rack : en
  • US2308667A - Plow construction : en
  • FR878302A - Single-acting steam engine : en fr
  • GB550770A - Improvements relating to water gas generators and gas producers : en
  • CA410120A - Electric motor : en fr
  • FR878403A - Process for the production of sulfones : en fr
  • FR878502A - Very small synchronous motor, intended in particular for navigation indicating devices : en fr
  • CA410096A - Carton : en fr
  • US2309032A - Unitary fluid control valve and method of operation : en
  • FR878549A - Safety device and consumption limiter for gas appliances : en fr
  • GB550725A - Apparatus for the administration of anaesthetics or for use in oxygen therapy : en
  • US2308628A - Multisection book : en
  • FR878413A - Method and apparatus for gas generation : en fr
  • US2308633A - Sand bailer and perforator cleaner : en
  • US2309064A - Pressure control system : en
  • US2308567A - Combination lamp structure : en
  • FR878376A - Process for embroidering fabrics with patterns : en fr
  • US2308794A - Kick stand for bicycles : en
  • GB550655A - Improvements in or relating to cathode ray tubes : en
  • US2308648A - Loading and unloading mechanism for trucks : en
  • US2308588A - Maleic anhydride purification : en
  • US2308801A - Brazing flux composition : en
  • US2308825A - Process for the manufacture of wall plugs : en
  • US2308958A - Method of dispersing rubber : en
  • US2308867A - Injection device for injection molding machines : en
  • USD134849S - Design for a hat : en
  • US2308917A - Apparatus and method for controlling pulp density : en
  • FR878362A - Electrical measuring device with non-uniform graduation scale : en fr
  • FR878463A - Process for the production of combustible gas with a high calorific value by treatment, with gasifier, of a mixture of fuel and carbonate : en fr
  • GB550633A - Improvements relating to radio course-indicators : en
  • US2308959A - Wheel construction : en
  • FR878447A - Waterproofing of yarns to obtain fabrics impermeable to liquids : en fr
  • US2308569A - Tool and method for making the same : en
  • US2308603A - Pressure cooker : en
  • FR878416A - Electrical assembly for the transmission of very high frequency oscillations : en fr
  • US2308965A - Bushing : en
  • FR878511A - Electric discharge vessel : en fr
  • FR878328A - Machine for harvesting the seeds of sainfoin raygras and brome : en fr
  • US2308907A - Printing mechanism for accounting machines : en
  • US2309000A - Rotary lipstick holder : en
  • DE730781C - Poking device for bunker outlets : de en
  • GB550644A - Improvements in or relating to optical elements : en
  • GB550682A - Alarm-clock electric switch : en
  • FR878304A - Process for preparing 1-keto-2-gulonic acid : en fr
  • GB550663A - A process for printing textile materials : en
  • US2308589A - Apparatus for producing siding : en
  • US2308704A - Instrument illumination : en
  • US2308973A - Magneto : en
  • DE730788C - Process for the production of phenanthridine from coal tar : de en
  • GB550741A - Substitutes for natural felspathic rocks : en
  • FR878444A - Electronic relay : en fr
  • FR878491A - High percentage stable dispersions of polymerization products and method of preparing such dispersions : en fr
  • DE730810C - Rod-shaped radiator holder made of two parts that can be screwed into one another and two axially displaceable clamping pieces that are used to clamp the radiator elements : de en
  • FR878425A - Counting and weighing system for wagons in circulation on a cable car : en fr
  • FR878482A - Rotary filter with automatic discharge of solid residues : en fr
  • DE730809C - Storage of door leaves for oven doors etc. like : de en
  • US2308768A - Domestic appliance : en
  • US2308654A - Desk pad : en
  • US2308527A - Container and wrapper for articles of manufacture and commerce : en
  • US2308999A - Coke oven door : en
  • US2308618A - Wheel structure : en
  • US2308909A - Mechanical atomizing burner : en
  • FR878426A - Drain pocket with decanting separation device, foreign bodies entrained in the steam circuits : en fr
  • DE730780C - Pump holder for bicycles u. like : de en
  • US2309058A - Hydraulic ram : en
  • CA410124A - Automobile frame : en fr
  • FR878533A - Support device for cameras : en fr
  • US2308821A - Switchless multiple bulb electric lantern : en
  • US2308778A - Automatic telephone system : en
  • FR878305A - Process for the production and precipitation of finely divided oxides and the like : en fr
  • FR878351A - Water-tube marine boiler heated with liquid or atomized fuel : en fr
  • FR878396A - Manifold block for accounting : en fr
  • US2308996A - Clamp : en
  • US2308684A - Wire cutter : en
  • GB550701A - Improvements in photographic materials containing dyes : en
  • FR878469A - Improvements in fuels for internal combustion engines as well as in processes and devices for fueling these engines : en fr
  • US2308906A - Typewriting-calculating machine : en
  • GB550706A - Improvements in knitting needle latches : en
  • FR878401A - Advanced stretching bench : en fr
  • US2308519A - Photographic film washing device : en
  • US2308663A - Warping machine : en
  • FR878315A - Device for determining the plane of incidence of an electromagnetic field : en fr
  • CA410125A - Condensation product : en fr
  • US2308680A - Clutch control mechanism : en
  • USD134818S - Design fob a batteky chargee : en
  • US2308952A - Rubber valve stem : en
  • US2308719A - Feed water heater : en
  • US2308927A - Sorting machine : en
  • US2309065A - Alarm clock electric switch : en
  • DK60530C - Wrench with Tightening control. : da en
  • US2308630A - Duplex respirator : en
  • US2308731A - Hydraulic regulator : en
  • US2309052A - Fish line floating solution : en
  • US2308641A - Conduit fitting : en
  • US2308664A - Coating composition : en
  • USD134845S - Design for a dress : en
  • AU348941A - Facsimile recording paper : en
  • US2308935A - Aircraft wing : en
  • CA410104A - Bread slicing apparatus : en fr
  • FR878542A - Improvements to tractor plows : en fr
  • GB550650A - Roof supports for coal mines : en
  • US2308727A - Valve mechanism : en
  • CA410145A - Central heating system : en fr
  • CA410067A - Ice harvesting device : en fr
  • US2308724A - Rubber article : en
  • CA410075A - Telephone system : en fr
  • US2309016A - Composite grinding wheel : en
  • AU465942A - Improvements in tractor-operated mobile cranes : en
  • CA410099A - Carcass saw : en fr
  • US2308655A - Variable speed pulley : en
  • US2308685A - Spin neutralizing vane : en
  • FR878468A - Multi-Disc Friction Couplings Improvements : en fr
  • GB550720A - An improved dispensing capsule : en
  • DE730772C - Elastic disc wheel, especially for rail vehicles : de en
  • USPP565P - annar lee weaver : en
  • US2308666A - Brush bag holder : en
  • GB550728A - Improvements in or relating to pentode or like electron discharge tubes having suppressor grids : en
  • GB550751A - Improvements in or relating to the application of phosphate coatings to ferrous metal surfaces : en
  • US2309059A - Lighting fixture : en
  • FR878485A - Device for assembling a tubular bar for radio-electric pylons or poles : en fr
  • US2308803A - Truss : en
  • GB550653A - Improvements relating to alternating electric current control apparatus : en
  • USD134847S - Design for a dress : en
  • US2308561A - Alkylation of hydrocarbons : en
  • US2308537A - Method of and apparatus for the manufacture of rodlike articles : en
  • US2308535A - Bulldozer : en
  • US2308797A - Parachute : en
  • FR878420A - Manufacturing process for steel fittings or gland nuts : en fr
  • GB550721A - Improvements in or relating to thrust bearings for shafts : en
  • US2309039A - Lighting system : en
  • US2309063A - Directional radio beacon : en
  • US2308950A - Tire balancing apparatus : en
  • USD134812S - Design fok chessmen : en
  • GB550704A - Improvements in or relating to electrically heated soldering apparatus : en
  • US2308482A - Pipe fitting : en
  • US2308637A - Telephone system : en
  • US2308864A - Lubricating apparatus : en
  • US2308699A - Portable pump or analogous machine and skid base or support therefor : en
  • US2309072A - Manufacture of thread or the like : en
  • FR878327A - Method and device for introducing air in a highly divided state into liquids, particularly fermentable liquids : en fr
  • CA410060A - Tamping means for blasting bores : en fr
  • DK60515C - Apparatus with Amplifier tube and an Incandescent lamp, in particular a Radio apparatus with a Scale lighting lamp. : da en
  • FR878382A - Improvements to incandescent electric lamps : en fr
  • US2308806A - Concrete form : en
  • US2309055A - Delivery cooler for packaged goods : en
  • FR878466A - temperature exchanger for refrigeration cabinets : en fr
  • FR878548A - Improvements to non-slip pads for shoes of all kinds : en fr
  • US2308717A - Method of repairing damaged spots in fabrics : en
  • US2308776A - Corrective and protective knee brace : en
  • DE730758C - Control device for overpressure water storage : de en
  • DE730754C - Row sowing machine adjustable for sowing in rows with wide spacing : de en
  • US2308549A - Voltage transforming and rectifying vibratory contactor arrangement : en
  • US2309036A - Apparatus for conditioning molding sand : en
  • FR878386A - Improvements in obtaining stretched cellulose acetate yarns with improved elongation : en fr
  • GB550699A - Improvements in or relating to apparatus for the control of internal combustion engines : en
  • GB550687A - Improvements relating to electric motor power drive units adaptable to different appliances : en
  • CA410091A - Mineral piercing and cutting apparatus : en fr
  • CA410115A - Chair : en fr
  • FR878387A - Contactor actuated periodically, especially for mechanical converters : en fr
  • US2308607A - Exhaust pipe guard : en
  • CA410139A - Fish extract evaporating method : en fr
  • FR878346A - Method and apparatus for separating crystals from solution : en fr
  • GB550703A - Improvements in the degreasing of metal articles : en
  • IS328A7 - Method for processing average liver oil. : en is
  • US2308540A - Drawer slide : en
  • DE730764C - Interchangeable pen with two jacket sleeves that can be moved inside one another against the action of the spring : de en
  • GB550712A - Improvements in or relating to containers for petrol and like liquids : en
  • US2308593A - Knitted fabric and manufactured knitted articles : en
  • FR878375A - Claw, especially for cinematographic projectors : en fr
  • US2308800A - Electron discharge device : en
  • US2309073A - Diaphragm face plate : en
  • CA410068A - Fly swatter : en fr
  • CA410093A - Coated abrasive : en fr
  • DE730807C - Process for the preparation of an irritation-free, fat-free ointment : de en
  • CA410052A - Liquid egg material salvaging apparatus : en fr
  • CA410058A - Wheel-flange and rail lubricator : en fr
  • FR878537A - Machine for mining coal and similar minerals : en fr
  • US2308850A - Combined apparatus for welding and sizing tubes : en
  • US2308893A - Antilanding device for pigeons and other birds : en
  • US2308548A - Window construction : en
  • US2308513A - Lubricating system : en
  • US2308895A - Insole and shank stiffener therefor : en
  • AU116414B2 - Improved stuffing box seal for rotatable shafts : en
  • US2308862A - Delivery mechanism for printing presses : en
  • US2308486A - Immersion process of food freezing : en
  • IE16316L - Detergents : en
  • CA410123A - Covered welding electrode : en fr
  • AU116390B2 - Improvements in ophthalmic mountings : en
  • US2309045A - Trimming machine : en
  • CA410083A - Electric discharge apparatus : en fr
  • US2308712A - Press and the like : en
  • US2308846A - Steering mechanism : en
  • US2308904A - Antiskidding device : en
  • US2308916A - Vertically rising flying device : en
  • US2309049A - Refrigerator latch : en
  • FR878336A - Fluorescent material and its manufacturing process : en fr
  • AU417542A - Improvements in facsimile recorders : en
  • AU408842A - Improvements in or relating to mixing valves in internal combustion engines : en
  • DE730744C - Shaker for salt, sugar, etc. like : de en
  • US2308969A - Resilient mounting : en
  • FR878520A - Device for insulating aircraft cabins and in particular airplanes : en fr
  • AU116419B2 - Improvements in facsimile recorders : en
  • US2308754A - Spring leaf bearing and the like : en
  • US2308765A - Unit heat generator : en
  • DK60518C - Apparatus for Measurement and Administration of Liquid Medicines. : da en
  • FR878456A - Wood dryer adaptable to an existing carbonizer and combined dryer-carbonizer : en fr
  • GB550763A - Improvements in and relating to fourdrinier paper-making machines : en
  • CA410056A - Carton : en fr
  • CA410070A - Step-ladder : en fr
  • FR878349A - Micrometer : en fr
  • US2308738A - Candle : en
  • US2308941A - Flatiron supporting mechanism : en
  • FR878504A - Autonomous distillation plant for the production of industrial fresh water with practically zero salt content : en fr
  • GB550623A - Improvements in or relating to optical objectives : en
  • GB550640A - Improvements in or relating to hydraulic torque transmitting devices : en
  • DE730797C - Device for generating electrical vibrations of extremely high frequency, especially millimeter waves : de en
  • DE730815C - Checker for wires or sheets : de en
  • GB550689A - Power transmission gearing : en
  • DK60512C - Process for the Preparation of Tetrahydroisoquinoline Compounds. : da en
  • US2308573A - Landing gear for aircraft : en
  • US2308991A - Gas mask : en
  • FR878344A - Method for increasing the stability of skin creams and the like : en fr
  • AU116392B2 - Improvements in and relating to prefabricated buildings : en
  • CA410098A - Sausage preparation : en fr
  • US2308802A - Aircraft : en
  • US2309074A - Fuel injection pump : en
  • FR878377A - Switch with overcurrent circuit breaker actuated by pulses and executed as installation automatic circuit breaker : en fr
  • FR878409A - Process for preparing photosensitive products : en fr
  • FR878544A - Wind motor : en fr
  • FR878356A - Method and plant for aerobic retting of flax and other fiber plants : en fr
  • FR878475A - Advanced manometric device : en fr
  • GB550641A - Improvements relating to dirt or the like excluders : en
  • US2308721A - Feed-water heater : en
  • US2308911A - Fire alarm device : en
  • US2308989A - Selective bottle vending equipment : en
  • GB550754A - Improvements in or relating to optical objectives : en
  • GB550675A - Improvements in and relating to apparatus for testing photographic shutters : en
  • US2308514A - Soap conserving device : en
  • CA410050A - Combined basket and field stretcher : en fr
  • DE730750C - Folding machine for the production of protective covers made of celluloid or the like. : de en
  • DE730798C - DF antenna system : de en
  • GB550642A - Improvement in and relating to conveyor system : en
  • FR878307A - Shoe : en fr
  • GB550735A - Improvements in traffic signal lights : en
  • US2308782A - Stabilized gasoline : en
  • DK60529C - Razor or Hair Clipper. : da en
  • DE730779C - Trailer coupling for motor vehicles : de en
  • DE730745C - Sewing frame : de en
  • FR878370A - Soluble oil substitutes and manufacturing process : en fr
  • US2308756A - Watt-hour meter magnet : en
  • US2308709A - Control system : en
  • US2308944A - Pressure control device : en
  • GB550722A - Improvements in and relating to electric motor control systems : en
  • US2308880A - Automatic phonograph : en
  • US2308481A - Container for projectile fuses : en
  • US2308599A - Production of lubricants containing lead soap of hydrogenated ricinoleic acid : en
  • US2308824A - Leather staking machine : en
  • US2308866A - Progressive purification of biologically impure liquids : en
  • FR878415A - Electrical assembly intended for the transmission of high frequency electrical oscillations : en fr
  • FR878479A - Process for obtaining improved silicate paints : en fr
  • US2308962A - Motor mounting : en
  • DE730747C - Spreading device for painter's ladders : de en
  • GB550696A - Improvements in variable reactance transformers : en
  • US2308645A - Indicator : en
  • US2308890A - Brake mechanism : en
  • US2308805A - Paint hanger : en
  • FR878347A - Wooden shoe for shoes, manufacturing process and shoe provided with this shoe : en fr
  • FR878500A - Wear-resistant rotating body with an interchangeable profiled surface, such as a wheel for a railroad track : en fr
  • FR878532A - Device for aiming exercises constructed as a successive image camera : en fr
  • FR878449A - Device intended to prevent the propagation of flames or explosions in the pipes of carbon disulphide installations : en fr
  • US2308743A - Barge : en
  • US2309057A - Apparatus for enameling rectangular wire : en
  • US2308554A - Printing telegraph apparatus : en
  • US2308885A - Brake : en
  • GB550681A - Improvements in or relating to printing presses comprising a plurality of printing units : en
  • FR878318A - Gasoline lighter : en fr
  • US2308749A - Propeller adjusting device for marine motors : en
  • US2308604A - Clutch driven plate assembly : en
  • US2308498A - Process for formation of ester bodies : en
  • FR878379A - Single retort gasifier produces tar-free gas : en fr
  • FR878534A - Indicator device for directing rays manipulated by points and lines, intended for radio navigation : en fr
  • FR878524A - Azo dyes, their production process and hydroxy-naphthalene-sulfamido-n- (methylene carboxylic acids) used as intermediates : en fr
  • FR878405A - Quiet, especially for four-stroke internal combustion engines : en fr
  • GB550708A - Improvements in or relating to carburetting systems for internal combustion engines : en
  • US2308587A - Door mat : en
  • US2308858A - Hydromechanical clearance regulator : en
  • US2308526A - Wrapper and protective covering for articles of manufacture and commerce : en
  • DK60513C - Device at Printing Machine Sheet Laying Table for Correction of Fitting Differences. : da en
  • FR878389A - Rectilinear hosiery loom with picking fitted with a device to keep the advancement of the thread guide constant : en fr
  • US2308924A - Typewriting calculating machine : en
  • CA410109A - Compression tool : en fr
  • US2308538A - Method of and apparatus for manufacturing confection sticks : en
  • US2308697A - Centrifuge : en
  • FR878360A - Improvements to fluorescent materials : en fr
  • US2309075A - Method of operating high pressure oil and gas wells : en
  • US2308998A - Method and means for cutting and forming sheet metal : en
  • AU116381B2 - Improved weed eradicator : en
  • USD134837S - Design for a textile fabric : en
  • US2308529A - Resilient insert-insole combination : en
  • FR878366A - Airplane landing braking device by means of the propeller : en fr
  • GB550759A - Improvements in or relating to caliper and like gauges : en
  • US2308490A - Art of producing lubricating oils : en
  • US2309067A - Window construction : en
  • GB550726A - Photographic developing apparatus : en
  • FR878448A - Waterproofing of textile fibers against liquids : en fr
  • US2308550A - Amplifying hearing aid : en
  • US2308767A - Apparatus for dehydrating yarn : en
  • US2308837A - Pump : en
  • US2309013A - Current limiting fuse : en
  • DE730417C - Testing device for spring pens, key punches, typewriters, etc. like : de en
  • DE731707C - Process for the isomerization of chloroalkanes : de en
  • FR878465A - Synthetic fuel processes and all products obtained by these processes : en fr
  • US2308786A - Alkylation : en
  • GB550630A - Improvements relating to tubular heat interchange apparatus : en
  • US2309043A - Float valve and humidifier construction : en
  • US2308651A - Pole-carrying means for endless chain conveyers : en
  • US2308859A - Process for making brake applying assemblies : en
  • US2308616A - Wheel structure : en
  • US2308688A - Milling machine control mechanism : en
  • US2309041A - Tower support : en
  • FR878345A - Mechanical filing cabinet of several flat objects having a character of homogeneity, such as files, phonographic records, folders and others, allowing the rapid and automatic search of any classified object, designated by names or by numbers : en fr
  • US2309047A - Motion conversion mechanism : en
  • US2308912A - Method for incorporating gum guaiac in fats : en
  • FR878340A - Method of manufacturing metallic filling bodies for gas scrubbers and similar apparatus : en fr
  • FR878501A - Device for winding films into an unstretched spiral for developing, fixing and washing the film : en fr
  • GB550634A - Improvements in a motor vehicle construction : en
  • FR878388A - Improvements to vehicles used to transport movable materials : en fr
  • DE730755C - Narrow threshing machine with remote depositor : de en
  • US2308530A - Container : en
  • US2308711A - Conditioning anthraquinone vat dyestuffs : en
  • US2308716A - Filter and process of filtration : en
  • US2308830A - Nonoverfill device with centering means : en
  • US2308777A - Loose-leaf binder : en
  • US2308925A - Current-voltage regulator : en
  • US2309029A - Hand luggage : en
  • CA410116A - Television system : en fr
  • US2308735A - Hog trough : en
  • US2308804A - Collator : en
  • US2308686A - Endless pan or like conveyer : en
  • US2308497A - Suction pump : en
  • US2308615A - Wheel cover : en
  • AU116428B2 - A device for removing fencing posts andthe like fromthe ground : en
  • US2308560A - Alkylation of hydrocarbons : en
  • US2308636A - Apparatus for injection molding vinyl resins : en
  • CA410065A - Oil stabilizing process : en fr
  • US2309026A - Thread tensioning mechanism for textile fabricating machines : en
  • DK60516C - System for Charging Electric Accumulators from an AC mains. : da en
  • FR878515A - Fiber board manufacturing process : en fr
  • DE730003C - A window made of a cell horn disc for gas protection masks or gas protection hoods : de en
  • SE106343C1 - : en
  • FR878309A - Method and devices for the continuous working of coiled metal in coils : en fr
  • GB550715A - Improvements relating to the desulphurization of hydrocarbon oils : en
  • GB550686A - Control valve for differential air pressure power braking and like systems : en
  • GB550629A - Improvements in rotary engines of the piston vane type : en
  • FR878412A - Process for the production of a wetting agent and well-wetting aqueous baths, where appropriate strongly alkaline, for the treatment of textile products : en fr
  • US2308818A - Folding double wall box : en
  • US2308836A - Metering device and coin selector : en
  • US2308649A - Method of and apparatus for producing dress-shield inner liners : en
  • US2308929A - Convertible garment : en
  • US2308532A - Vending machine : en
  • US2308726A - Two-way lighting device for refrigerators : en
  • US2308946A - Adjustable gauge : en
  • US2308747A - Stirrup for physicians' examining tables and the like : en
  • US2308606A - Method of making solder connections : en
  • US2309062A - Treatment of waste water : en
  • AU417642A - Improvement in microphones : en
  • US2308559A - Solid bowl type of centrifuging apparatus : en
  • AU116418B2 - Improvements in and relating to television transmitting cathode ray tubes : en
  • US2308674A - Brush : en
  • US2308610A - Bearing lubrication : en
  • CA410147A - Sulphuric acid solution purification : en fr
  • USD134832S - Combined casing cover and handle for an electric switch : en
  • USD134806S - Design for a chair : en
  • GB550756A - Improvements in or relating to piezo-electric laryngophones : en
  • US2308661A - Thread carrier bar : en
  • US2308975A - Flexible electric conductor : en
  • USD134821S - Design for an intertable statuette : en
  • USD134827S - Vacuum cleaner attachment kit : en
  • US2308602A - Tire bead aligner : en
  • US2308750A - Spring suspension for wheeled vehicles : en
  • US2308842A - Apparatus for grinding billets or slabs : en
  • US2308901A - Concrete mixer : en
  • GB550624A - Improvements in or relating to resilient supporting surfaces for seats, chairs, sofas, divans, bedsteads and like furniture : en
  • US2308656A - Fuel feeding means : en
  • US2308790A - Building structure : en
  • US2308826A - Guard for safety pins : en
  • CA410131A - Knob connection : en fr
  • CA410148A - Synthetic hormone production : en fr
  • GB550635A - Improved apparatus for drawing articles : en
  • AU407942A - An improved oil burner : en
  • US2308687A - Measuring instrument : en
  • US2308930A - Hearing aid apparatus : en
  • US2308810A - Desk set : en
  • US2308522A - Thermal relay switch : en
  • US2308954A - Braking mechanism : en
  • US2308542A - Coupling : en
  • US2308759A - Hinge construction : en
  • DE730795C - Friction disc for chain drives of chain tracks : de en
  • US2309015A - Air mileage register for aircraft : en
  • DE730762C - Shaft seal for Voith Schneider propeller blades : de en
  • US2308620A - Electronic control circuit : en
  • US2308795A - Supporting arm for sound boxes and sound recorders : en
  • AU116420B2 - Improvement in microphones : en
  • US2308997A - Electric wave translation : en
  • US2308516A - Method and means for irradiating blood : en
  • US2308642A - Automatic gate : en
  • US2308508A - Hay drier : en
  • DK60511C - Semi-automatic Maneuvering device for Washing Machines. : da en
  • FR878353A - Device for dispensing a liquid, for example milk, in measured quantities and method for implementing this device : en fr
  • US2308575A - Attachment for cultivators : en
  • USD134839S - Design foe a suit : en
  • US2308681A - Clutch : en
  • CA410121A - Railway car truck : en fr
  • FR878414A - Instrument for checking the surface quality of machined parts : en fr
  • FR878438A - Process for continuously adjusting the quantity of fluid delivered by reciprocating compressors : en fr
  • AU116417B2 - Luminescent screens : en
  • AU116411B2 - Amplifying-circuit arrangement for ultra-short waves : en
  • AU118116B2 - Process for the manufacture of derivatives of p-aminobenzene sulphonamides : en
  • US2308990A - Lathe toolholder : en
  • US2309017A - Terpene ether : en
  • CA410071A - Calculating machine locking mechanism : en fr
  • USD134814S - Design fob a bird house or the like : en
  • US2308580A - Knitting machine : en
  • US2308764A - Airplane : en
  • US2308914A - Screw and the like : en
  • FR878400A - Process for the homogeneous coating of the interior surfaces of tubes and device for carrying out this process : en fr
  • CA410143A - Staple fibre yarn producing device : en fr
  • US2308590A - Grading machine : en
  • US2308736A - Luminescent material : en
  • US2308624A - Resilient nail file : en
  • US2308729A - Weight classifier : en
  • US2308596A - Electrical connection means : en
  • US2309010A - Deicing mechanism : en
  • FR878443A - Improvements to machines for checking the thickness of sheets and the like : en fr
  • US2308625A - Closed receptacle or case : en
  • US2308981A - Abrasive articles : en
  • CA410088A - Air purifying and circulating device : en fr
  • AU116424B2 - A carrier and filler container for charcoal or like fuel for gas producers : en
  • AU33641A - Improvements in and relating to water pressure regulators : en
  • US2308517A - Method of and apparatus for mining : en
  • US2308706A - Vehicle barrier : en
  • CA410079A - Electrical cable for welding machines : en fr
  • FR878498A - Process for removing water from plant or animal tissue : en fr
  • GB550716A - Radio communication system : en
  • FR878429A - Device for the exact phasing of single-phase consumers by means of discharge vessels controlled by a starting rod : en fr
  • FR878364A - Electronic tube control device : en fr
  • GB550670A - Improvements in or relating to means for collecting litter on lawns and the like grass covered ground : en
  • GB550724A - Improvements in and relating to the dyeing of textile fibres : en
  • AU116421B2 - Improvements in and relating to electron beam discharge devices : en
  • GB550761A - Improvements in or relating to the damping of vibrations of audio-frequency : en
  • GB550740A - Improvements relating to gas and like governors : en
  • DE730767C - Method for making a concrete pile : de en
  • US2309046A - Apparatus for preserving dressed and drawn fowl : en
  • US2308707A - Needle-vibrating mechanism for sewing machines : en
  • FR878306A - Mine sedan or similar vehicle mounted on idler wheels with tapered rollers or balls, and method of manufacture thereof : en fr
  • CA410138A - Hydraulic power transmission : en fr
  • IE16434L - Treating keratinous fibres; hair waving : en
  • GB550757A - Improvements in the manufacture of detergents : en
  • US2309044A - Testing system : en
  • USD134834S - Bouet-willaumez : en
  • US2308525A - Traffic control sign : en
  • US2308658A - Apparatus for tipping metal bases with metal tips : en
  • GB550654A - Improvements in or relating to windows of road vehicles : en
  • US2308974A - Positive displacement pump : en
  • FR878352A - Process for giving rayon and cellulosic wool a squealing feel : en fr
  • GB550639A - Improvements in or relating to axles boxes : en
  • CA410100A - Statistical recording apparatus : en fr
  • CA410127A - Hydrocarbon processing : en fr
  • US2308520A - Absorption refrigerator : en
  • US2308789A - Building structure : en
  • GB550652A - Rubber hydrohalide film : en
  • FR878435A - Safety device, in particular for automobile doors : en fr
  • DE730775C - Detergent for raw wool : de en
  • US2308622A - Lubricating oil : en
  • US2308902A - Method of producing heat radiating flames : en
  • DE730808C - Drawer guide with side guide rails that can be extended to a limited extent for complete pulling out of the box : de en
  • US2308910A - Sewing machine : en
  • FR878343A - Carburetor without float : en fr
  • FR878442A - Switch ceiling light for motor vehicle : en fr
  • GB550636A - Improvements in or relating to hygienic combs made of metal : en
  • IE16397L - Electric soldering tools. : en
  • US2308546A - Milling machine and the like : en
  • US2308787A - Indicating mechanism for amusement devices : en
  • US2308495A - Interpolymerization product of an unsaturated alkyd resin and a monoallyl ester of anonvinylic monoesterifiable acid : en
  • US2308634A - Coin chute : en
  • US2308875A - Piston for wheel cylinders and the like : en
  • FR878374A - Engine comprising: an explosion turbine, one or two compressors and a coupling : en fr
  • GB550664A - Improvements in duplicating machines : en
  • FR878492A - Speed multiplier for cycles : en fr
  • USD134823S - Glass coffee maker or article of similar nature : en
  • US2308558A - Gear : en
  • US2308592A - Hospitalization and posture bed : en
  • US2308694A - Electric condenser : en
  • AU116400B2 - Improvements in or relating to electric carrier wave signalling systems : en
  • CA410118A - Cyclical knife adjustment : en fr
  • FR878458A - Machine tool reproducing device : en fr
  • US2308815A - Lubrication : en
  • FR878422A - Cardboard washer as safety closure for milk bottles : en fr
  • US2309009A - Transparent cigarette case or the like : en
  • SE106370C1 - : en
  • US2308758A - Device for smokers' pipes : en
  • US2308643A - Valve : en
  • US2308629A - Bin : en
  • FR878546A - Process to obtain a zinc plating of a pure white, very shiny, and resistant to corrosion : en fr
  • CA410126A - Sugar derivative : en fr
  • US2309079A - Treatment of paper : en
  • US2308966A - Friction device : en
  • US2308696A - Water insoluble resinous condensation products of semicarbazide with formaldehyde : en
  • DE730813C - Device for pulling up sliding formwork : de en
  • FR878440A - Process for reducing the proportion of water for mixing in the preparation of mortar and concrete : en fr
  • GB550737A - Improvements in or relating to cushioning devices for reciprocating parts of machinery : en
  • GB550645A - Improvements in or relating to optical elements : en
  • FR878488A - Process for bonding various materials : en fr
  • FR878408A - Yard installation for rail vehicles operated by t. s. f. : en fr
  • GB550772A - Improvements in gas burners : en
  • FR878550A - Improvements in electric incandescent lamps and the like : en fr
  • US2309077A - Rock drill : en
  • US2308555A - Fuel burner system : en
  • USD134816S - Design for a velocipede frame member : en
  • US2308488A - Controllable-pitch aeronautical propeller : en
  • FR878341A - Amplification process and thermionic amplifiers for the application of this process : en fr
  • FR878518A - Method for assembling metal frames and frames and for fixing electrical equipment and pipes to said frames : en fr
  • US2308878A - Brake control means : en
  • US2308983A - Bonded abrasive articles containing fillers : en
  • GB550713A - Improvements in or relating to aerofoils : en
  • GB550618A - Improvements in or relating to statistical machines : en
  • FR878436A - Fixing the roof covering of bodywork, in particular for motor vehicles : en fr
  • IE16433L - Treating keratinous fibres; hair waving : en
  • GB550743A - Improvements in or relating to circuit arrangements for the maintenance of the terminal voltage of electric apparatus supplied from a source of current of variable voltage : en
  • GB550632A - Improvements in and relating to coffee infusers : en
  • FR878540A - Underwear against the cold : en fr
  • IE16371L - Recovering oils and fats : en
  • FR878432A - Universal screwdriver : en fr
  • US2308698A - Hinged connector : en
  • GB550729A - Improvements relating to collapsible metal tubes : en
  • FR878419A - Semi-continuous oven, mobile, to roast wood : en fr
  • GB550750A - Treatment of metallic and silicon halide vapors : en
  • FR878461A - Wind motor for various applications : en fr
  • FR878493A - Energy switch for automatic regulation of any variables, such as temperature, pressure, humidity : en fr
  • GB550755A - Improvements in and relating to creping treatment to paper or the like and product : en
  • FR878529A - Method and device for obtaining an automatic variation of the transmission ratio in the controls of vehicles and in particular of airplanes : en fr
  • GB550666A - An improved button-stick : en
  • FR878527A - Protective weapon for divers : en fr
  • GB550695A - Improvements in or relating to haymaking or like machines : en
  • GB550760A - Improvements in the manufacture of bonded electrical insulating material : en
  • US2308591A - Conveyer : en
  • US2308770A - Binding folder for periodicals : en
  • US2309020A - Jig for shoe heel wedges : en
  • US2308659A - Apparatus for tipping metal bases with metal tips : en
  • US2308583A - Valve : en
  • US2308937A - Extrusion die for hollow food paste articles : en
  • DK60514C - Transmission system for emitting modulated high-frequency oscillations. : da en
  • GB550621A - Improvements in and relating to gear pumps : en
  • US2308660A - Time delay relay : en
  • US2308888A - Heater : en
  • US2308988A - Aluminum stearate solution and process of preparing the same : en
  • FR878496A - Push button electrical switch : en fr
  • US2308807A - Ventilated wooden ironing board : en
  • US2308855A - Brake platform : en
  • DE730791C - Device for the evaporation of additional feed water and for the step-by-step preheating of feed water by bleeding steam from steam turbines : de en
  • US2308928A - Control element for statistical machines : en
  • US2308987A - Electric lighting system : en
  • US2308994A - Motor control system : en
  • USD134836S - Design for a display case : en
  • US2308657A - Cocktail shaker : en
  • USD134807S - Combined display and sales cabinet : en
  • US2308915A - Signet locket-ring : en
  • CA410081A - Lamp regulating system : en fr
  • US2308693A - Adhesive tape : en
  • US2308772A - Wire spring back construction for upholstered furniture : en
  • US2308955A - Inner tube : en
  • US2308942A - Laminated plasterboard : en
  • CA410136A - Hydrocarbon catalytic conversion : en fr
  • US2308798A - Compressed air practice firing device : en
  • US2308613A - Ball and socket unit : en
  • AU511242A - Improvements in or relating to electrified water-spray dust-precipitator : en
  • US2308665A - Refrigeration : en
  • US2309021A - Method of treating bristles and product thereof : en
  • US2309038A - Electric lighting fixture : en
  • USD134830S - Design for a lamp lens : en
  • US2308847A - Chain saw : en
  • DE730777C - Process for achieving high brilliance and constant gradation when drying silver images : de en
  • AU345841A - Improved weed eradicator : en
  • AU417842A - Improvements in and relating to electron beam discharge devices : en
  • GB550694A - Improvements in or relating to hydraulic remote indicating apparatus : en
  • AU773742A - Process for the manufacture of derivatives of p-aminobenzene sulphonamides : en
  • CA410128A - Thermostatic heating system : en fr
  • DE730812C - Temperature controller with periodic sampling and elastic feedback : de en
  • FR878421A - Method and device for manufacturing spring networks for box springs, seat bottoms, etc. : en fr
  • GB550733A - Improvements in or relating to the mounting of indirectly heated cathodes for electron discharge tubes : en
  • US2308710A - Recording measuring instrument : en
  • US2309028A - Coke oven battery : en
  • US2309050A - Diamond holder : en
  • US2308982A - Abrasive article comprising a bond having a filler therein : en
  • US2308617A - Wheel structure : en
  • US2308640A - Lipophilic substance : en
  • DK60526C - Bodywork for Motor Vehicles with Reduced Air Resistance. : da en
  • FR878423A - Concrete sleeper for railway : en fr
  • CA410061A - Indicia applying apparatus for shells : en fr
  • CA410094A - Compressor or vacuum pump : en fr
  • GB550765A - Improvements relating to the sealing of closure members for openings in vessels : en
  • AU116430B2 - Improved appliance for smothering and disposing of incendiary bombs orthe like : en
  • USRE22252E - Method of making coiled coils : en
  • US2308563A - Printing mechanism : en
  • US2308923A - Pressure relay unit : en
  • FR878522A - Device for making sound recordings (without background noise) on cinematographic films or other similar media : en fr
  • US2308817A - Pastry gauge : en
  • DE730787C - Process for distilling low quality fuels : de en
  • USD134819S - Design fob a textile fabkic : en
  • US2308578A - Hammer mill : en
  • US2308980A - Concrete preservation : en
  • US2309078A - Grinding mill : en
  • FR878503A - Device for discharging the liquid required for the operation of motive power installations incorporating hydraulic circulation clutches : en fr
  • US2308905A - Barbed wire : en
  • US2308775A - Vegetable cleaning machine : en
  • US2308564A - Recovery of cellulose and lignin from wood : en
  • US2308668A - Apparatus for treating wells : en
  • US2308951A - Continuous manufacture of rubber sheeting : en
  • US2308521A - Automatic radio direction indicator : en
  • DE730753C - Counter clearing device, in particular on calculating machines : de en
  • GB550690A - Improvements in mechanism for feeding, gumming and folding sheet material : en
  • GB550705A - Improvements in or relating to the treatment of oil or fat-containing material for the recovery of oil or fat therefrom : en
  • SE106354C1 - : sv
  • FR878474A - Improvements to processes and devices for the use, in particular on engines, of mixed fuels : en fr
  • US2308856A - Recovery and conversion of olefinic hydrocarbons : en
  • US2308977A - Vulcanizing press : en
  • USD134817S - Design for a clock ok similar article : en
  • FR878411A - Anti-slip chain for vehicle tires : en fr
  • US2308883A - Process for the treatment of cotton seed and the like : en
  • USD134829S - Design for a combined compass and match case : en
  • US2309070A - Process for the preparation of selenium ruby glass : en
  • US2308774A - Catalytic hydrocarbon conversion : en
  • GB550719A - Method of and apparatus for producing thin walled containers, tubular articles and the like from cellulose derivatives and other plastic masses : en
  • US2308499A - Braking system : en
  • GB550714A - Improvements in patterned screens for use in photographic printing processes : en
  • US2308908A - Saw-tooth oscillator : en
  • AU116433B2 - Improvements inthe separation of solid materials of different specific gravities : en
  • US2308732A - Colored cellulosic film : en
  • US2309006A - Refrigerating apparatus for vending machines : en
  • FR878417A - Method of drying gas containing water : en fr
  • FR878390A - Mounting for supporting rollers of conveyor belts and similar devices : en fr
  • FR878334A - Sight glass for high pressure vessels : en fr
  • GB550684A - Manufacture of androstene-17-ol-ones and derivatives and substitution products thereof : en
  • DE730805C - Process for two-stage capacity control of recharging compressors : de en
  • US2308816A - Baseball game : en
  • US2309080A - Work holder for grinding machines : en
  • CA410112A - Sterol compound : en fr
  • GB550766A - Improvements in or relating to typewriting machines : en
  • US2308972A - Guide plate apparatus : en
  • US2309056A - Insulating material : en
  • US2308608A - Play yard : en
  • US2308845A - Foam-type fire extinguisher : en
  • FR878410A - New sole : en fr
  • FR878517A - Device for deep freezing of fruits and vegetables : en fr
  • DE730742C - Clamping device with pressure cylinder for molding boxes in molding machines : de en
  • DE730803C - Electromagnetically driven compressor : de en
  • US2308739A - Centerless grinder : en
  • US2309005A - Method of making sponge rubber : en
  • FR878395A - Reinforced concrete construction device combined with a ribbed heeling : en fr
  • FR878316A - Grid for electric shock receptacles : en fr
  • FR878320A - Receiver device for manipulation signals transmitted at carrier wave frequency : en fr
  • FR878378A - Contact device in particular for switching in electrical machines, converters or rectifiers : en fr
  • FR878455A - Mixing tunnel burner with large adjustment range : en fr
  • US2308700A - Method of treating fabricated tungsten wires or rods : en
  • GB550625A - Improved means for suspending pendant fittings : en
  • IE16398L - Chemical treatment of textiles : en
  • FR878359A - Needle roller bearing without cage : en fr
  • FR878477A - Heating appliance : en fr
  • FR878361A - Fluorescent material manufacturing process : en fr
  • FR878323A - Process for the purification of liquids based on ethyl acetal : en fr
  • US2308780A - Stabilized gasoline : en
  • US2308626A - Baby walker : en
  • AU116425B2 - Frequency modulation receiver : en
  • US2308874A - Scale : en
  • CA410111A - Sterol compound : en fr
  • US2308938A - Method of recovering magnesium scrap : en
  • CA410095A - Tire debeading apparatus : en fr
  • US2308766A - Convertible structure for buildings or the like : en
  • US2308703A - Cutting apparatus : en
  • GR10026B - METHOD FOR TREATMENT OF SULFURIC ACID BATHS COMING FROM THE VISCOSE SPINNING MACHINE. : el en
  • US2308505A - Spring bar for wrist watches : en
  • FR878424A - Process for matting fabrics of regenerated cellulose or cellulose derivatives : en fr
  • FR878445A - Waterproofing of fabrics against liquids : en fr
  • FR878329A - Improvements to building blocks and elements for construction works and games : en fr
  • USD134813S - Wind vane for bicycles or the like : en
  • DE730763C - Machine for honing long bores : de en
  • US2308574A - Felt conditioning device for papermaking machines : en
  • DE730792C - Type bar typewriter : de en
  • DE730761C - Copy machine for perforated film strips : de en
  • GB550769A - Improvements in or relating to directional gyroscopes : en
  • US2308926A - Pawl freewheel : en
  • FR878490A - Process for fractionating gas mixtures into their constituents using an auxiliary substance circuit : en fr
  • GB550702A - Improvements in or relating to rubber-soled footwear : en
  • DE730741C - Device for bisecting thin roots, stems and the like. Like. For plant physiological purposes : de en
  • GB550626A - Improvements connected with scissors or shears, more particularly pinking scissors or shears : en
  • FR878483A - Stop light switch : en fr
  • FR878539A - gasifier filter scrubber : en fr
  • GB550685A - Improvements in or relating to the panel type of control means for railway signalling systems : en
  • GB550620A - Improvements in or relating to moistureproof sheets or films and methods of producing the same : en
  • FR878484A - Method of preparing oxytocin : en fr
  • USD134846S - Design for a jacket : en
  • GB550646A - Improvements in thermal insulating material made from corrugated paper : en
  • GB550738A - Improvements relating to aluminium alloys : en
  • US2308827A - Acoustic wave filter panel : en
  • FR878326A - Coffee substitute and its manufacturing process : en fr
  • CA410113A - Organic amine derivative : en fr
  • US2308650A - Decorative wall covering : en
  • US2308819A - Hair roll foundation : en
  • DK60522C - Valve with vertical spindle. : da en
  • GB550637A - Three-roll mills for crushing sugar cane and the like : en
  • CA410073A - Container sealing apparatus : en fr
  • FR878454A - Special treatment of oils and tar pitches for their application in the leather, textile, varnish and color industries, and as solvents : en fr
  • GB550742A - Centrifugal wheel for feeding two liquids or gases which are to be mixed with one another : en
  • FR878342A - Slow Acting Over Current Cutout : en fr
  • FR878430A - Device for causing the sudden appearance of the anode current of an electron tube : en fr
  • DK60523C - Electric Flashlight and Procedure for its Manufacture. : da en
  • US2308733A - Bitumen heating kettle : en
  • US2308976A - Lapping machine : en
  • GB550746A - Improvements in hair waving solutions : en
  • FR878402A - Economical device for heating homes, which uses direct and stored heat from ovens, especially those of bakers and pastry chefs : en fr
  • GR10023B - BASIS I PROTECTED THE SOAP FROM ITS CONTACT WITH LIQUIDS AND PREVENTED ITS FAST DISSOLUTION. : el en
  • AU413242A - Coupling circuit : en
  • CA410087A - Metallic strip pickling method : en fr
  • US2308932A - One-way dispensing closure for bottles and the like : en
  • US2308531A - Machine tool : en
  • US2308647A - Hydraulic machine tool : en
  • US2308868A - Power transmission system : en
  • CA410086A - Sea drome lighting apparatus : en fr
  • US2308936A - Radio direction finding means : en
  • US2308971A - Mold filling method and apparatus : en
  • CA410107A - Plastic container manufacture : en fr
  • US2308771A - Soap holder : en
  • US2308921A - Gas producer for vehicles and tractors : en
  • US2308572A - Rod screen : en
  • US2309048A - Color correcting method and device : en
  • US2309037A - Garment construction : en
  • US2308619A - Applying and removing antiskid chains : en
  • DE730756C - Straight-way valve without stuffing box : de en
  • US2308889A - Brake mechanism : en
  • CA410133A - Window operator : en fr
  • US2308852A - Transmission casing : en
  • AU460442A - Improved appliance for smothering and disposing of incendiary bombs orthe like : en
  • US2308491A - Preserving wooden poles and posts : en
  • SE106324C1 - : en
  • GB550677A - Improvements in boxes, tins, cans or the like containers : en
  • US2308861A - Temperature controlled valve : en
  • FR878324A - Process for the purification of liquids based on ethyl acetal : en fr
  • AU419542A - A carrier and filler container for charcoal or like fuel for gas producers : en
  • US2308541A - Refrigeration : en
  • US2308945A - High-frequency induction furnace : en
  • GB550747A - Improvements in electrically heated boiling, cooking and like apparatus : en
  • US2308879A - Coating composition and process of making the same : en
  • USD134828S - Design for a closure fok gasoline container : en
  • US2308493A - Spinning machine : en
  • US2309019A - Electron discharge device circuits : en
  • USD134809S - Combined cup and dish holder or similar article : en
  • US2308769A - Method and apparatus for forming granulated slag : en
  • US2308669A - Composite control cable : en
  • GB550710A - Process for the manufacture of low-carbon ferro-alloys especially low-carbon ferro-chromium : en
  • CA410137A - Fluid heater : en fr
  • US2308621A - Window structure : en
  • AU414042A - Improved stuffing box seal for rotatable shafts : en
  • US2308512A - Grinding machine : en
  • CA410047A - Eye-shade : en fr
  • CA410108A - Fuel injection apparatus : en fr
  • US2308992A - Method for producing washing, cleansing, bleaching, and rinsing agents containing percompounds : en
  • CA410049A - Phospho-gluconate of iron : en fr
  • US2308504A - Spray nozzle : en
  • US2308702A - Frame for fishing reels : en
  • FR878303A - Process for supplying consumption centers with liquefied or compressed combustible gases and in particular methane : en fr
  • GR10024B - METHOD TO REFINISH THE TEXTURE OF MAGNESIUM AND MAGNESIUM ALLOYS. : el en
  • US2308553A - Artificial tooth : en
  • US2308792A - Catalytic conversion of hydrocarbon oil : en
  • FR878399A - Electromagnetic measuring device : en fr
  • US2308898A - Mechanism control : en
  • US2308632A - Method of plasticizing hard plastic materials : en
  • GB550771A - Improvements in type-wheel apparatus for addressing and like printing machines : en
  • FR878512A - Sieve, in particular for cleaning or sorting root or tuber crops : en fr
  • US2308947A - Ash disposal device : en
  • DK60527C - Oil cooler device for streamlined motor vehicles with air-cooled rear engine. : da en
  • FR878476A - Removable oven for carbonization of wood in the forest : en fr
  • GB550651A - Rubber hydrochloride : en
  • US2308515A - Electrical cord connector : en
  • US2308728A - Safety control for machine tools : en
  • US2308931A - Hearing aid apparatus : en
  • DE730778C - Windows for gas masks : de en
  • US2308585A - Overhead door : en
  • USD134833S - Van den borre badge or similar article : en
  • US2308763A - Textile printing paste : en
  • FR878525A - Improvements to machines for harvesting radical tubers : en fr
  • FR878530A - Double piston machine, especially as a compressor or motor-compressor : en fr
  • FR878509A - Cutting press, for simultaneous cutting of stator and rotor sheets of electric machines : en fr
  • US2308833A - Polynuclear cyclic oxyketones and derivatives thereof and process of making same : en
  • US2309035A - Illuminating razor handle : en
  • USD134824S - Design for a badge or similar article : en
  • GB550697A - Improvements in or relating to electrical water heaters : en
  • US2308940A - Tens transfer mechanism for : en
  • US2308677A - Joint device for paving construction : en
  • US2308672A - Method and apparatus for testing gun chokes : en
  • US2308943A - Bridge and flooring therefor : en
  • GB550749A - Improvements in or relating to the emergency control of electrical switch gear : en
  • GB550707A - Improvements in or relating to the treatment of non-fibrous cellulosic sheet materials : en
  • US2308556A - Combination utility board and sign : en
  • US2308502A - Compounded oil : en
  • US2308562A - Alkylation of hydrocarbons : en
  • US2308841A - Manufacture of secondary aliphatic monoketomonosulphonates : en
  • US2308823A - Pump jack : en
  • US2308873A - Shoe construction : en
  • US2308509A - Match-book construction : en
  • US2309022A - Breakwater : en
  • GB550752A - Improvements in or relating to apparatus for training fighter pilots, air gunners and like personnel : en
  • US2309053A - Apparatus for and method of making blanks for self-tapping screws : en
  • US2308751A - Means for dispersing one fluid in another fluid : en
  • US2308948A - Vulcanizer : en
  • US2308967A - Bushing : en
  • USD134820S - Lady s belt or similar article : en
  • US2308566A - Magnetic repeater or compass : en
  • FR878365A - Loudspeaker installation for public transport vehicles : en fr
  • FR878371A - Reamer for finishing deep holes : en fr
  • GB550662A - Improvements in devices for delivering a mixture of fluid and solid suspended therein : en
  • DE730757C - Valve, especially compressed air valve for electrical pressure gas switch : de en
  • DE730760C - Method for compensating the influence of temperature on the effectiveness of photographic processing baths : de en
  • FR878489A - Recording device at or for a weighing device : en fr
  • GB550673A - An improved position indicator for use on aircraft, ships and the like : en
  • GB550717A - Improvements in unwoven fibrous sheets : en
  • US2308534A - Wheeled scraper : en
  • US2308623A - Automatic control device : en
  • US2308692A - Greaseproof paper : en
  • US2309023A - Shoe stiffener : en
  • US2308557A - Cracking process : en
  • GB550688A - Colour photography : en
  • CA410129A - Pipe fitting : en fr
  • US2308788A - Heat treating machine : en
  • DE730784C - Device for cleaning baking trays : de en
  • CA410103A - Egg packing material : en fr
  • AU386541A - Improvements inthe separation of solid materials of different specific gravities : en
  • CA410106A - Price tag : en fr
  • AU417442A - Improvements in and relating to television transmitting cathode ray tubes : en
  • DE730785C - Articulated coupling, especially for driving the rollers of rolling mills : de en
  • FR878523A - High efficiency method and device for ventilating mobile enclosures, such as vehicles of all kinds : en fr
  • AU495542A - Improvements in and relating to prefabricated buildings : en
  • CA410092A - Blowpipe machine : en fr
  • FR878462A - Improvements to tires for vehicle wheels : en fr
  • FR878547A - Microphone : en fr
  • US2308865A - Lubricating system : en
  • DK60517C - Glare-free Projector, especially for Motor Vehicles. : da en
  • FR878368A - Silencer, especially for internal combustion, two-stroke engines : en fr
  • GB550723A - Improvements in the manufacture of continuous sheets or webs of thermoplastic material : en
  • GB550678A - Improved means for measuring and indicating temperatures of rotating surfaces : en
  • FR878453A - Substitutes for drying and semi-drying oils : en fr
  • US2308949A - Apparatus for manufacturing continuous rubber articles : en
  • FR878357A - Conductive device or distributor of magnetic flux, in particular for ignition magnetos for internal combustion engines : en fr
  • GB550744A - Improvements in and relating to fluorescent materials : en
  • FR878531A - Azo compounds for diazotyping : en fr
  • US2308609A - Self-aligning bearing : en
  • US2308891A - Method and apparatus for gear generation : en
  • US2309054A - Circuit breaker for storage battery system or the like : en
  • FR878348A - Shoe : en fr
  • US2309042A - Method of treading tires : en
  • USD134843S - Design for a dress : en
  • FR878380A - Device for perfecting the filling of the compression cylinders of liquid brakes, in particular for motor vehicles : en fr
  • US2308528A - Grounding equipment for electrical apparatus : en
  • US2308884A - High voltage generator : en
  • US2308671A - Commutator trimming tool : en
  • AU116409B2 - Improvements in and relating to water pressure regulators : en
  • FR878538A - Suspension for aprons or conveyor belts in mines : en fr
  • FR878313A - Loudspeaker enhancements : en fr
  • US2308813A - Variable-speed power device : en
  • US2308627A - Grip : en
  • GB550693A - Improvements in or relating to laminated structrues : en
  • GB550768A - Improvements in or relating to means for transferring or conveying loosely laid layers of fibrous material, such as kapok : en
  • US2308828A - Nonrefillable bottle : en
  • US2308970A - Vulcanization method : en
  • US2308597A - Car retarding or braking mechanism : en
  • US2309068A - Directional radio beacon : en
  • USD134838S - Design for a shirt : en
  • US2308829A - Electrolyte control device : en
  • DE730748C - Hand drive for pulleys : de en
  • US2308785A - Golf practice putting device : en
  • US2308683A - Chain shot : en
  • CA410074A - Ironing machine : en fr
  • US2308492A - Motion conversion mechanism : en
  • US2308638A - Manufacture of coated products : en
  • US2308834A - Polynuclear cyclic oxyketones and derivatives thereof and process of making same : en
  • CA410114A - Chair : en fr
  • US2308984A - Synthetic ore : en
  • CA410105A - Price tag : en fr
  • FR878314A - Ultra-short wave generator system : en fr
  • US2308631A - Interchangeable display : en
  • US2308753A - Valve : en
  • FR878464A - Improvements to electric vehicles : en fr
  • GB550709A - Improvements relating to rope and cable grips or jockeys : en
  • AU116410B2 - Improved apparatus for dispensing beer andthe like : en
  • US2308494A - Interpolymerization product of a polycrotyl ester and an unsaturated alkyd resin : en
  • US2308922A - Temperature responding device : en
  • US2308682A - Dust bag for vacuum cleaners : en
  • US2308934A - Photographic camera : en
  • CA410062A - Tandem roller skate : en fr
  • CA410141A - Coin-controlled and change-making vending apparatus : en fr
  • US2308662A - Jet pipe relay : en
  • US2309066A - Timing relay : en
  • USD134810S - Design fob a hair ornament : en
  • US2309051A - Transmission control system : en
  • FR878321A - Control device for phase inverters : en fr
  • CA410066A - Sewing machine ruffling device : en fr
  • US2308968A - Spark plug crimping method and apparatus : en
  • CA410090A - Sheet feeding apparatus : en fr
  • GB550638A - Improvements in or relating to absorbent tampons and applicators therefor : en
  • US2308635A - Combat vehicle gunnery sight : en
  • US2308783A - Stabilized gasoline : en
  • AU116406B2 - Improvements in or relating to electrified water-spray dust-precipitator : en
  • AU116402B2 - Improvements in lubricating apparatus : en
  • FR878393A - Tram car : en fr
  • FR878322A - Measuring instrument combined with a measuring switch : en fr
  • US2308811A - Electrical cable connector : en
  • US2308586A - Manufacture of rubber coated footwear : en
  • US2308740A - Sausage smoking device : en
  • USD134853S - Design for a dress : en
  • US2308543A - Tape perforator : en
  • US2308854A - Abrasive article : en
  • US2308939A - Anode bushing for metal-vapor arc converters : en
  • USD134851S - Design fob a dress : en
  • CA410084A - Gain controlled amplifier : en fr
  • CA410097A - Skinning machine : en fr
  • DE730804C - Device for the idle circuit of recharging air compressors : de en
  • CA410077A - Cloud measuring apparatus : en fr
  • US2308653A - Hair-curling device : en
  • US2308691A - Lubricating oil : en
  • US2309040A - Automatic time control for radios : en
  • AU442442A - Improvements in ophthalmic mountings : en
  • US2308581A - Copolymerized substances containing methacrylic anhydride : en
  • US2308857A - Sodium calcium borosilicate glass : en
  • FR878535A - Detachable advanced heel tab : en fr
  • GB550764A - Improvements in the projection of fluids through pipes or conduits : en
  • US2308670A - Means for separating materials of different physical characters : en
  • US2309031A - Converter circuits : en
  • GR10025B - METHOD TO REFLECT THE TEXTURE OF MAGNESIUM AND MAGNESIUM ALLOYS. : el en
  • CA410089A - Hydrostatic braking system fluid control : en fr
  • CA410072A - Ophthalmic mounting : en fr
  • CA410082A - Electric discharge apparatus : en fr
  • CA410140A - Variable reactance transformer : en fr
  • US2308523A - Electron discharge device : en
  • US2308690A - Beneficiated mineral oil : en
  • US2308822A - Automatic vehicle brake : en
  • CA410051A - Radio receiving apparatus : en fr
  • CA410057A - Rail lubricator : en fr
  • FR878394A - Process for obtaining photographic or cinematographic effects : en fr
  • AU398041A - Improvements in or relating to electric carrier wave signalling systems : en
  • US2308646A - Automatic desurfacing machine : en
  • US2308872A - Conveying mechanism : en
  • DE730783C - Method for the electromagnetic separation of ores or the like. : de en
  • US2309033A - Method for multifrequency vibration : en
  • US2308838A - Water craft : en
  • US2308510A - Welding apparatus : en
  • FR878398A - Siphon : en fr
  • FR878494A - Radiator for combustion engines of aircraft and vehicles : en fr
  • FR878541A - Veneer splicer : en fr
  • CA410135A - Fluid heater : en fr
  • FR878526A - Process for the manufacture of amidines substituted with a sulfonyl residue : en fr
  • US2309012A - Tunnel construction : en
  • US2309076A - Tubular curtain stretching device : en
  • CA410130A - Steam heating system : en fr
  • GB550736A - Controlling the temperature of superheated steam or other vapour : en
  • AU116384B2 - Improvements in or relating to mixing valves in internal combustion engines : en
  • US2308487A - Thermostatic valve construction : en
  • GB550698A - Improvements in or relating to lifting jacks : en
  • US2308480A - Container for projectile fuses : en
  • US2308720A - Feed-water heater : en
  • US2308876A - Valve construction : en
  • DE730464C - Process for the production of chlorine-containing aliphatic sulfonic acids : de en
  • US2308870A - Equalizing valve device : en
  • DE730746C - Leg connection on frames of furniture, especially tables : de en
  • CA410117A - Running register adjustment : en fr
  • AU383041A - Improvements in or relating to gasfilled high-tension rectifiers : en
  • FR878480A - Inductance system for radioelectric devices to cover a wide band of frequencies : en fr
  • US2308741A - Brake operating mechanism : en
  • US2308755A - Method of treating oil : en
  • US2308860A - Means of drilling rock, concrete, and the like : en
  • FR878439A - Device for extracting water, tar and other vapors from gasifier hoppers : en fr
  • GB550674A - Improvements in or relating to rotary driers and kilns : en
  • DE730769C - Diesel hammer with stepped piston : de en
  • GB550667A - A mechanical device, relating to brakes and clutches for use on machinery where driving and braking devices are needed : en
  • AU116379B2 - Improvements in removing aldehydes from mixtures such as essential oils : en
  • GB550660A - Improvements in or relating to the blind landing of aircraft : en
  • US2308579A - Method and means for making lock washers : en
  • US2308831A - Structural member : en
  • US2308730A - Knitting machine : en
  • AU116416B2 - Improvements in amplifiers : en
  • GB550672A - Improvements in or relating to electric motor control systems : en
  • FR878460A - Articulated sole of wood or of another rigid material and improvements made to the manufacture of shoes comprising soles of the aforementioned type : en fr
  • US2308679A - Clutch : en
  • US2309014A - Multiband tuning system : en
  • US2308701A - Poultry feeder support : en
  • US2308600A - Metal container : en
  • US2308715A - Process for refining turpentine : en
  • US2308744A - Handle : en
  • AU417242A - Improvements in amplifiers : en
  • US2308675A - Diazoamido compounds : en
  • US2308761A - Fluid hoist construction : en
  • US2308582A - Pressure-recording instrument : en
  • US2308748A - Stabilizer for independent front wheel suspension assembly : en
  • US2308808A - Wheel alignment gauge : en
  • GB550669A - Improvements in and relating to domestic washing machines : en
  • DK60521C - Wood chipper. : da en
  • US2308644A - Reclining chair : en
  • GB550658A - Improvements in or relating to the production of cellulose esters : en
  • DE730793C - Wind heater system for blast furnaces : de en
  • DK60520C - Method and Furnace for the Production and Treatment of Molten Glass Mass. : da en
  • FR878331A - Composite part consisting on the one hand of a very refractory metal, such as tungsten, mobybdenum or tantalum or of carbon or graphite and on the other hand of a ceramic material, for example beryllium oxide : en fr
  • US2308483A - Method of forming a device from a plurality of plastic members, the product thereof, and a prepared material for use therein : en
  • US2308820A - Armored ship construction : en
  • US2308993A - Dynamo circuit : en
  • US2308812A - Dental unit : en
  • US2308832A - Scaffold : en
  • FR878481A - System of aeromotors with generator groups driven by two opposing propellers, with automatic control and adjustment devices, and its applications : en fr
  • GB550659A - Improvements in the colouration of textile and other materials : en
  • USD134815S - Design for a velocipede frame member : en
  • FR878350A - Cellulose acylation process : en fr
  • FR878406A - High frequency coil : en fr
  • GR10022B - GEARBOX TRANSMISSION SYSTEM. : el en
  • FR878459A - Improvements in the assembly of lanterns and the like : en fr
  • FR878470A - Automatic ignition device for electric heaters for liquids : en fr
  • FR878434A - Very high voltage direct current generator armature : en fr
  • GB550619A - Improvements in radio bearing indicators and control means : en
  • GB550767A - Improvement in differential pressure switch : en
  • FR878404A - Improvements to electrically heated stools : en fr
  • CA410054A - Slicer device for explosive powder : en fr
  • GB550627A - Attachment of skin or covering layers to framework : en
  • FR878495A - Electric variometer : en fr
  • GB550732A - Improvements in and relating to electrothermic reduction of volatile metals : en
  • US2308503A - Compounded hydrocarbon oil : en
  • US2308779A - Golf club grip : en
  • US2309011A - Snuffer-lighter device : en
  • USD134808S - Design for a clothes hanger : en
  • US2308814A - Electric rifle range : en
  • US2308695A - Separable fastener : en
  • US2308601A - Method for the production of cooked foods in a dried state : en
  • DE730776C - Copy device for machine tools with straight cutting movement, especially for planing machines and slotting machines : de en
  • US2308773A - Lubricator : en
  • US2309061A - Inflation valve : en
  • US2308897A - Turbine cylinder apparatus : en
  • USD134840S - Design for a hat : en
  • US2308995A - Method of electrically heating metallic strip : en
  • US2309007A - Apparatus for preserving food products : en
  • FR878332A - Sulfonation process for fatty alcohols : en fr
  • US2308933A - Psychogalvanometer : en
  • US2308611A - Stapling machine : en
  • GB550661A - Improvements in or relating to sifting apparatus : en
  • FR878385A - Process for the preparation of a dry potato product : en fr
  • FR878472A - Elastic suspension bicycle : en fr