• US2304253A - Circuit breaker : en
  • CA409165A - Camera spool device : en fr
  • DE729282C - Ventilation system for grains u. like : de en
  • CA409284A - Spring assembly making machine : en fr
  • US2304165A - Railway signaling system : en
  • FR877590A - Aircraft propellant device : en fr
  • CA409185A - Rear end brake valve : en fr
  • US2304581A - Apparatus for applying trim rings to wheels : en
  • USD134530S - Design for a statuette : en
  • US2304251A - Garment : en
  • CA409221A - Article holder : en fr
  • DE729171C - Anti-skid device, especially for rubber-tired motor vehicle wheels : de en
  • US2304485A - Body vibrator : en
  • US2304519A - Production of anhydrous aluminum sulphate : en
  • US2304104A - Therapeutical zinc peroxide : en
  • US2304252A - Process of insolubilizing hydroxylcontaining sizes : en
  • US2304257A - Floor cleaning and polishing device : en
  • US2304094A - Refrigeration apparatus : en
  • US2304631A - Receptacle : en
  • FR877491A - Process for the preparation of a product for food, especially livestock, and resulting product : en fr
  • CA409168A - Circuit breaker contact system : en fr
  • US2304248A - Liquor treating apparatus : en
  • CA409204A - Vibrator current converting system : en fr
  • US2304123A - Embossed decorative fabric : en
  • US2304330A - Apparatus for operating upon lateral walls in earth borings : en
  • DE1526138U - : de en
  • DE728974C - Improvement of chromium-containing colored bodies : de en
  • GB549890A - Electron camera : en
  • FR877436A - Carbon sealing ring for glands for rotating machine shafts or for piston rods : en fr
  • CA409181A - Speed controlled brake : en fr
  • US2304232A - Method and means for controlling drilling muds : en
  • GB549795A - Improvements in or relating to electron velocity modulation discharge tubes : en
  • GR9784B - COMPLETED CONSTRUCTION OF SHIP CASES TO INCREASE SAILING SPEED BY ARRANGEMENT OF LEAST WAVES. : el en
  • DE725009C - Method for measuring air temperature from high-speed aircraft : de en
  • CA409245A - Synchronizing apparatus : en fr
  • USD134528S - Design fob a display standard : en
  • US2304700A - Beach or lawn lounge : en
  • FR877552A - Feeding device for chipboard presses : en fr
  • US2304562A - Ceramic insulating composition : en
  • US2304606A - Electric switch : en
  • US2304592A - Rug cleaning machine : en
  • USD134531S - Fluorescent fixture or similar article : en
  • GB549843A - Improvements in or relating to parachutes : en
  • US2304665A - Combined hairbrush and comb : en
  • US2304342A - Apparatus for packing units of material : en
  • FR877434A - Heating device for motor vehicles : en fr
  • US2304388A - Frequency modulator : en
  • DE728952C - Terrestrial telescope, especially telescopic sight : de en
  • US2304311A - Fastener means : en
  • US2304703A - Screw driver : en
  • FR877540A - Process for the intensive production of synthetic nitric acid : en fr
  • GB549798A - Combined rotary steam generator and engine : en
  • FR877418A - Steam generator with vertical firebox and horizontal flue at its top : en fr
  • FR877534A - Cork concrete : en fr
  • CA409164A - Moulded sheet manufacture : en fr
  • FR877412A - Box for packaging pharmaceutical ampoules or other applications : en fr
  • US2304265A - Gauge slide : en
  • US2304345A - Traffic marker : en
  • CA409098A - Density measuring apparatus : en fr
  • DE729251C - Breast pump : de en
  • CA409174A - Electrical bushing cap : en fr
  • FR877629A - Method and device for unwinding bands from rolls : en fr
  • FR877608A - Rosin Curing Process : en fr
  • GB549862A - An improvement in or relating to tool-holders for metal-cutting machines : en
  • DE729146C - Hose rupture protection : de en
  • DK60403C - Grinding machine with Paint container moved in Circle or Elliptical oscillations. : da en
  • GB549778A - Improvements in or relating to electron discharge devices : en
  • CA409231A - Fuel injection device : en fr
  • USD134540S - Design for a toy machine gun : en
  • DE729107C - Process for drying, maturing and storage-proofing of dune salts, in particular potash salts, by means of dry gas flows : de en
  • DE728722C - Nut for aircraft construction : de en
  • US2304193A - Waste and dust mop cleaning can : en
  • US2304402A - Weight indicator : en
  • US2304557A - Manufacture of thiazyl sulphur halides : en
  • US2304647A - Licker grinder : en
  • US2304317A - Work holder : en
  • FR877576A - Beater device intended for the manufacture of cellular concrete : en fr
  • DE729165C - Process for the production of refined metal pipes : de en
  • US2304222A - Flashlight switch : en
  • US2304129A - Multiple bubble sextant or other altitude measuring device : en
  • US2304119A - Knuckle joint lock : en
  • US2304160A - Elevator signal machine and system : en
  • US2304089A - Process of producing artificial fibrous material : en
  • US2304202A - Lighting fixture : en
  • US2304221A - Drying apparatus : en
  • US2304476A - Food and beverage mixer : en
  • DE729168C - Device for mechanically locking an adjusting piston in a pressure cylinder, in particular in the case of adjusting devices on aircraft : de en
  • US2304553A - Solenoid : en
  • FR877451A - Reinforced cardboard box : en fr
  • FR877559A - Process and products for starching and finishing of linen and fabrics : en fr
  • CA409268A - Catalyst processing : en fr
  • DE729030C - Compressed air internal combustion engine : de en
  • GB549853A - Improvements in and relating to packing open-mouth paper sacks : en
  • GB549816A - A test bar device for fixing to the head stock of a lathe or the like : en
  • FI19436A - Härdade, glycerin innehållande tillverkningar : en fi
  • US2304272A - Ball cock : en
  • FI19443A - Forwarding provisions for dispersion and for setting dispersion : en fi
  • FR877453A - Tuning device for radio receivers of the superheterodyne type : en fr
  • FR877610A - Oscillating Sidecar Motorcycle : en fr
  • FR877584A - Precision machine tool with automatic adjustment of its slides : en fr
  • CA409188A - Locomotive sanding control apparatus : en fr
  • CA409169A - Enclosed circuit breaker : en fr
  • CA409195A - Hydrostatic brake : en fr
  • US2304578A - Smokehouse : en
  • US2304628A - Ventilating air distributing apparatus : en
  • US2304393A - Cooperating hinges : en
  • USD134519S - Remote control box for a motion picture display machine : en
  • US2304139A - Wire tightener : en
  • US2304747A - Blade shroud template : en
  • FR877569A - New process for the electrical connection of dissimilar metal conductors : en fr
  • DE728894C - Process for obtaining vitamin E acetate concentrates : de en
  • GB549770A - Improvements in scanning radio receivers : en
  • DE729129C - Announcement device : de en
  • USD134512S - Design for a cookie jak : en
  • US2304751A - Foundry mold and core and composition therefor : en
  • DE729127C - Flange sealing with several ring webs placed one behind the other in the sealing body : de en
  • DE728870C - Mash or wort treatment to improve the beer quality : de en
  • DE729224C - Filling head for liquid container : de en
  • US2304344A - Educational appliance : en
  • US2304358A - Alarm apparatus : en
  • US2304697A - Mechanical toy : en
  • CA409184A - Compressor control means : en fr
  • US2304145A - Catch operator : en
  • US2304109A - Fluid conditioning system : en
  • GB549783A - Improvements in method and means for supporting articles of plastic material : en
  • US2304238A - Cutting apparatus : en
  • DE729054C - Device for inclining a longitudinally displaceable spindle head on machine tools, in particular the clamping head on short thread milling machines : de en
  • US2304224A - Radiator valve : en
  • US2304604A - Dynamoelectric device : en
  • USD134513S - Design for a cookie jab : en
  • US2304351A - Method of manufacturing primary carbon : en
  • FR877578A - Circular copper pipe in the cupro-ammoniacal rayon manufacturing process : en fr
  • CA409140A - Fluid heat exchange apparatus : en fr
  • DE728999C - Device for lighting long, narrow areas : de en
  • DE729154C - Pants urinal that can be worn on the body and can be used without opening clothing : de en
  • AU481442A - Packaging : en
  • US2304366A - Car coupler supporting means : en
  • US2304758A - Cosmetic container : en
  • US2304169A - Safety device for drawing machines : en
  • US2304294A - Fluid fuel burner : en
  • US2304542A - Control system : en
  • US2304768A - Electric lamp : en
  • GR10009B - ECONOMIC FOUNDRY OVEN. : el en
  • AU116214B2 - Improved photographic emulsions : en
  • DE729189C - Process for the preparation of light colored aromatic sulfonation products containing alkyl groups : de en
  • US2304426A - Thiazyl sulphides : en
  • US2304623A - Reaction of ethylenimines with thiols and product thereof : en
  • DE729136C - Method for producing durable lettering or the like, in particular on metal parts, plastics, etc. : de en
  • US2304410A - Pedal cover : en
  • USD134520S - Electrical meter or similar article : en
  • FR877591A - Adjustment device of a fuel pump : en fr
  • CA409126A - Crude oil distillation process : en fr
  • DE720185C - Wide threshing machine : de en
  • US2304255A - Oil pan baffle : en
  • FR877650A - Colorimeter : en fr
  • US2304418A - Transportation equipment : en
  • DE728949C - Pull magnet control for driving switches, especially for driving switches of electrically operated vehicles : de en
  • FR877544A - Metal saddle for velocipede : en fr
  • DE728951C - Device for automatic temperature control of water-heated devices : de en
  • DE729273C - Timers, especially timers working according to the echo method : de en
  • CA409127A - Surface covering material : en fr
  • DE729285C - Stocking tensioner : de en
  • US2304323A - Pressure operated throttling valve : en
  • USD134535S - Design for a clip ob similar : en
  • US2304674A - Brake lining grinder : en
  • DE728943C - Magnetically switched Maltese cross : de en
  • US2304331A - Sound recording apparatus : en
  • FR877539A - Hollow glass handle for door locks : en fr
  • GB549670A - Improvements in or relating to rotary pumps : en
  • US2304525A - Hair clipper : en
  • US2304430A - Bicycle attachment : en
  • GB549861A - Improvements in and relating to electric transformers : en
  • DE728968C - Electromagnetic relay with piston magnet : de en
  • FR877464A - Process for preparing dyes of the phthalocyanine series : en fr
  • US2304609A - Pipe fitting : en
  • US2304770A - Ranging device : en
  • DE729277C - Automatic ignition device for electric direct current arc lamps with highly loaded wick charcoal (effect charcoal) and Beck effect that acts as a positive main electrode and is arranged at an obtuse angle to the cathode, and at least 50 amp operating current and more than 12 mm distance between the main electrodes, especially for tiltable headlights : de en
  • DE729283C - Automatic control device for the lifting tables of rolling stands : de en
  • FR877478A - Cufflink : en fr
  • US2304675A - Gnathodynamometer : en
  • US2304062A - Window construction : en
  • US2304721A - Hydraulic transmission : en
  • FR877423A - Device for fixing the shutter of headlights and lights to the casing, in particular for vehicles : en fr
  • US2304261A - Sock saver : en
  • US2304352A - Separation of materials of different specific gravities : en
  • GB549865A - Improvements in high-voltage power-supply systems : en
  • US2304670A - Centering tool : en
  • US2304762A - Trolley tender : en
  • DE729092C - bottle : de en
  • DE729027C - Gas stove : de en
  • DE728834C - Process for the production of carboxylic acids, alcohols and carboxylic acid esters : de en
  • GB549863A - Improvements in and relating to high voltage electric windings : en
  • FR877468A - Filter fabrics or diaphragms particularly intended for electrochemical industries : en fr
  • GB549842A - A device for attachment to the port holes of marine vessels to prevent the egress of light while permitting the passage of air therethrough for the purpose of ventilation : en
  • DK60405C - Sprinkler closure. : da en
  • US2304654A - Conversion of hydrocarbons : en
  • CA409082A - Washing machine : en fr
  • GB549832A - Improvements connected with gaseous electric discharge devices and their manufacture : en
  • US2304270A - Flotation apparatus : en
  • US2304301A - Method of applying hobnails to shoes : en
  • US2304150A - Solution concentration system : en
  • US2304579A - Method and means for making refrigerated comestibles : en
  • US2304527A - Scraper : en
  • GB549789A - Cross talk balancing : en
  • US2304357A - Typewriting machine : en
  • US2304446A - Method of and means for utilizing received electromagnetic energies : en
  • GB549814A - Loop-taker mechanism for sewing machines : en
  • FR877492A - Multiple combination padlock : en fr
  • GB549838A - Improvements in the production of gases rich in hydrogen : en
  • US2304340A - Method of making sliders for slide fasteners : en
  • US2304653A - Operation of catalytic processes : en
  • US2304657A - Electron discharge device : en
  • GB549848A - Improvements in or relating to automatic telephone exchange systems : en
  • DE729255C - Indicator, the drum of which rotates freely at a practically constant angular speed while the diagram is being recorded : de en
  • CA409178A - Low-starting-current motor : en fr
  • GB549872A - Improvements in lock stitch sewing machines : en
  • FR877603A - Process for manufacturing neutral gray polarization filters : en fr
  • DE729161C - vinyl record : de en
  • DE729288C - Hand protection device on paper cutting machines : de en
  • US2304083A - Conversion of hydrocarbons : en
  • DE729103C - Method and device for operating cell drum rotary filters and rotary filters in general with a filter cake take-off roller : de en
  • DE728875C - Device for pressing peat : de en
  • US2304177A - Legging : en
  • US2304549A - Reclaimed rubber : en
  • DE728930C - Oxide cathode exciter for very short waves : de en
  • US2304682A - Surgical baker : en
  • CA409137A - Bearing mounting : en fr
  • DE728963C - Process for the production of anhydrous magnesium chloride from magnesium chloride leaches or higher magnesium chloride hydrates : de en
  • FR877480A - Foot rests for cycles : en fr
  • FR877437A - Connection terminal for power lines : en fr
  • FR877648A - Ultramarine manufacturing process : en fr
  • FI19452A - Procedure and apparatus for handling fibrous matter : en fi
  • US2304369A - Condensation product : en
  • FR877502A - Further development of mixers for gas vehicles : en fr
  • FR877604A - Loudspeaker membrane : en fr
  • US2304504A - Dual lens construction : en
  • US2304629A - Machine for forming plastic bindings : en
  • GB549811A - Improvements in ploughs or other ground-working implements : en
  • FI19447A - Transportvagn : en fi
  • USD134505S - Slipper or similar article : en
  • DE729206C - Mattress with springy wooden strips : de en
  • DE729210C - Optical device for reproducing stereoscopic images : de en
  • DE729140C - Device for taking samples from the ground : de en
  • FR877514A - Saddle for cycles and others : en fr
  • GB549782A - Method of and apparatus for preparing facsimile master copies : en
  • DE729114C - Lubricant for gas compressors and gas pumps : de en
  • CA409156A - Resinous composition : en fr
  • US2304289A - Conversion of hydrocarbon oils : en
  • US2304377A - Automatic frequency control system : en
  • US2304190A - Appliance for molding hollow rubber balls and the like : en
  • DE728972C - Resistance seam welding machine with a turret head carrying several electrodes : de en
  • US2304491A - Relief valve : en
  • US2304563A - Process for the production of racemic menthol : en
  • US2304599A - Alternating current motor : en
  • US2304108A - Electric lamp socket : en
  • US2304306A - Sling : en
  • FI19431A - Stöt- och ljuddämpande underlag för skrivmaskiner : en fi
  • CA409183A - Fluid pressure system valve device : en fr
  • CA409283A - Boiler feed regulator : en fr
  • CA409094A - Eccentric satellite crank : en fr
  • CA409211A - Printing method : en fr
  • US2304173A - Chuck and grinding wheel : en
  • FR877523A - Advanced security padlock : en fr
  • GB549881A - Improvements in pressure sensitive devices in which the displacements of a diaphragm are translated into an electrical effect : en
  • USD134557S - Tashman handbag : en
  • US2304732A - Sealing means for joint structures linking movable members : en
  • FR877510A - Regulator-metering device : en fr
  • GB549818A - Improvements in or relating to wheel mountings : en
  • FR877494A - Automatic expansion valve : en fr
  • FR877448A - Preparation of polyamide solutions : en fr
  • FR877497A - Dry acetylene gas generator, in particular for motor vehicles : en fr
  • FR877563A - Improvements to electric vehicles : en fr
  • US2304067A - Production of rotors for electric machines : en
  • US2304641A - Control apparatus : en
  • FR877458A - Rotary device for drying cut pasta : en fr
  • US2304661A - Water treating apparatus : en
  • GB549776A - Improvements in or relating to facsimile telegraph receivers : en
  • CA409203A - Vibrator current converting system : en fr
  • FR877462A - Drive wheel for endless chain vehicles : en fr
  • CA409171A - Circuit interrupter : en fr
  • DE728960C - Device for determining the driving pressure of coal during its coking : de en
  • US2304303A - Flow valve for wells : en
  • AU116202B2 - Improvements in means for controlling the flow of fluid in spray dips : en
  • FR877645A - Improvements to electric lamp holders : en fr
  • US2304308A - Dispersible composition : en
  • US2304520A - Winding machine : en
  • USD134552S - Design fob a dress : en
  • CA409252A - Baked goods and composition : en fr
  • DE729067C - Electric free jet gas switch : de en
  • CA409107A - Combustion turbine : en fr
  • US2304539A - Container closure : en
  • FR877580A - Device for periodic opening and closing of contacts or switches : en fr
  • US2304187A - Manufacture of balanced motor fuel and aviation safety fuel : en
  • US2304548A - Reclaimed rubber : en
  • US2304338A - Halter : en
  • DE728979C - Device for automatic opening and closing of sliding gates, especially property and garage doors : de en
  • CA409145A - Food preserving process and apparatus : en fr
  • US2304350A - Rotary drawworks : en
  • DE728997C - Shooter driver guide for loom looms : de en
  • DE729088C - Respiratory protection device that can be used as a filter device or oxygen device : de en
  • AU388741A - Improvements in means for controlling the flow of fluid in spray dips : en
  • CA409214A - Electric cable and joint : en fr
  • DE729051C - Device for uniform hardening of glass plates, etc. : de en
  • DE729219C - Filling device for sugar mass flow o. The like. : de en
  • US2304685A - Filament drier : en
  • FR877586A - Process for producing removed or reserved designs on dyed fabrics made from organic fibrous materials : en fr
  • CA409280A - Ice formation preventing means for airplanes : en fr
  • CA409144A - Fabric bag : en fr
  • US2304364A - Closure device : en
  • US2304540A - Generating apparatus : en
  • US2304429A - Casein manufacture : en
  • CA409219A - Hydrogenating catalyst reactivation : en fr
  • CA409279A - Electric incense vaporizer : en fr
  • CA409147A - Heat exchange conductor : en fr
  • CA409080A - Golf practice scoring device : en fr
  • DE729200C - Soap : de en
  • AU454042A - Improvement in carrier-signal detector : en
  • GB549866A - Improvements in or relating to disintegrators for sewage sludge and for like purposes : en
  • DE729173C - Car percussion fuse for throwing mines or similar projectiles with a fuse : de en
  • GB549879A - Improvements in or relating to receptacles in or for use with collecting mechanism for cigarettes, filter wads and other rod-shaped articles : en
  • CA409238A - Radio receiver remote control : en fr
  • US2304136A - Power generator : en
  • US2304286A - Apparatus for repairing kegs : en
  • DE728941C - Device for the simultaneous damping of torsional and bending vibrations of rotating bodies : de en
  • DE728946C - Device for receiving can lids to be dried, freshly painted or coated with a liquid sealant : de en
  • DE728987C - Brake force regulator for air brakes, especially of trailer trucks : de en
  • DE729005C - Cooling device for liquid-cooled internal combustion engines, especially in aircraft : de en
  • FI19442A - The way to make animal feed : en fi
  • FR877405A - Single wheel drawbar for agricultural machinery : en fr
  • FR877426A - Rotary switch with indicator lamp housed in the handle or shaft : en fr
  • CA409235A - Telephone switching apparatus : en fr
  • DE729007C - Process for the pretreatment of electrically separated amounts of dust : de en
  • DE729074C - Ring dowel made of bent wood : de en
  • DE729256C - Method for measuring the viscosity of adsorbed liquid layers : de en
  • DK60410C - Procedure for the Execution of Foundations of Pillars for Bridges and Similar Structures. : da en
  • GB549894A - Improvements in securing bands and straps to pneumatic tyres and other articles : en
  • FR877647A - Silver and copper alloy for electrical contacts : en fr
  • CA409100A - Multiplex communication system : en fr
  • US2304205A - Ironing machine : en
  • US2304219A - Perforated foldable sheet : en
  • US2304341A - Roundabout : en
  • FR877606A - Sisal shoe : en fr
  • FR877564A - Electric heating process : en fr
  • FR877550A - : fr
  • GB549845A - Improvements in or relating to liquid-filled compasses : en
  • US2304404A - Automatic pressure loss cutoff valve : en
  • US2304379A - Glassware distributor for lehrs : en
  • FR877429A - Device for rolling tapes, wires or the like of steel and other metals : en fr
  • GB549898A - Improvements in hose clips : en
  • US2304242A - Diesel fuel : en
  • US2304353A - Heat resistant alloy : en
  • US2304128A - Fluid catalyst process and apparatus : en
  • DE729184C - For different widths adjustable trial bust : de en
  • DE728956C - Filters for fans of gas protection rooms : de en
  • DE729188C - Process for the preparation of cyanoacrylic acid esters : de en
  • CA409122A - Multi-phase transmission line protection process : en fr
  • US2304162A - Yielding drive for loom box motion : en
  • US2304603A - Conveying element : en
  • US2304118A - Electromagnetic friction apparatus : en
  • DE729145C - Guide horn for self-actuating rigid central buffer couplings, especially on rail vehicles : de en
  • FR877640A - Control derived from that of the lower roll for the upper roll of a rolling stand : en fr
  • US2304673A - Process of dyeing panama hats : en
  • US2304482A - Core drill bit : en
  • US2304474A - Heat treatment of textile fabrics : en
  • US2304480A - Building assembly and bracket therefor : en
  • DE729001C - Device for remote control and monitoring of street lamps : de en
  • US2304423A - Metal window sash : en
  • FR877442A - Ring body heating chamber : en fr
  • FR877545A - Anti-theft device for bicycles : en fr
  • US2304620A - Fluid operated slowdown mechanism for presses : en
  • DE729060C - Process for the production of contact masses for the gasoline synthesis : de en
  • DE729164C - Pipe socket connection : de en
  • GB549828A - Improved process for the treatment of textile fabrics : en
  • US2304195A - Thread control for axminster needle motion : en
  • US2304262A - Trimming board : en
  • DE729172C - Sea mine : de en
  • FR877404A - Individual control device for machine tools : en fr
  • FR877579A - Process for manufacturing electrodes for electric cathodic luminescence lamps or tubes : en fr
  • US2304373A - Package : en
  • DE729104C - Tubular device for separating fluids from gases or gas mixtures by centrifugal force : de en
  • FR877493A - Instant-on semi-armored soles and heels for all types of shoes : en fr
  • FR877495A - Protection device against theft of cycles and motorcycles : en fr
  • DE729057C - Method for reducing the driving pressure of the coal : de en
  • GB549791A - Improvements in and relating to surgical specula : en
  • US2304765A - Method of sorting citrus fruits and the like : en
  • US2304688A - Rotor for synchronous motors : en
  • US2304188A - Control apparatus : en
  • DE729010C - Process to increase the stretchability of stretched acetate : de en
  • DE729053C - Device for heat treatment and processing of thickened or thick milk for the production of cheese : de en
  • DE729100C - Shell construction method for hollow bodies made of wood, in particular for aircraft : de en
  • DE729125C - Device for regulating the fuel supply of internal combustion engines : de en
  • US2304626A - Water treating apparatus : en
  • FR877596A - Process for the manufacture of a product with a spongy or honeycomb structure suitable for insulation : en fr
  • GB549892A - Improvements connected with the cutter chain mechanism of coal cutter machines : en
  • CA409255A - Fastener lock slider : en fr
  • US2304223A - Visor : en
  • US2304417A - Safety device for low pressure vessels : en
  • DE728953C - Rocket propellant with soul charge : de en
  • FR877637A - Telautographic device : en fr
  • US2304220A - Telephone system : en
  • DE729232C - Cover rail for letter folder u. like : de en
  • US2304494A - Candy forming method : en
  • US2304749A - Parasiticidal compositions containing sulphur and method for the preparation thereof : en
  • US2304212A - Spinning artificial silk : en
  • FR877528A - End sleeve for electric cables : en fr
  • US2304489A - Control instrumentality : en
  • US2304396A - Wrapping machine folder : en
  • US2304433A - Reflector : en
  • US2304711A - Clamp terminal construction : en
  • USD134500S - Design for a slide hooe : en
  • DE729112C - DF system : de en
  • DE729266C - Device for processing fibrous materials mainly intended for papermaking by simultaneous pounding and rubbing : de en
  • DK60407C - Closure plug with rubber ring. : da en
  • US2304713A - Noise reduction in electric transmission systems : en
  • FR877595A - Road vehicle for railway wagons and heavy loads with horizontal position of the springs : en fr
  • FR877582A - Process for preparing coatings and products obtained by this process : en fr
  • FR877513A - Improvements to devices for obtaining recesses, notches, grooves or other : en fr
  • DE728938C - Four-stroke internal combustion engine working with recharging : de en
  • DE729159C - Process for the production of anodes for the production of earth or alkaline earth metals such as aluminum, magnesium, beryllium by molten electrolysis : de en
  • DE729085C - Process for the impregnation of cigarette mouthpiece paper : de en
  • GB549867A - Improvements in or relating to means for connecting agricultural implements to tractors : en
  • DE729006C - Device for applying sealant to the edges of sleeves, container bodies or the like, in particular those made of paper : de en
  • DK60397C - Electric Motor Blower for Cream Whiskers. : da en
  • FR877450A - Electric stove : en fr
  • US2304077A - Method of telegraphic communication : en
  • DE728962C - Process for the production of solid, anhydrous alkaline earth oxide moldings from alkaline earth hydrates : de en
  • US2304405A - Unitary cylinder reconditioning tool : en
  • DE728980C - Process for the production of resinous condensation products : de en
  • FR877622A - Process for impregnating wood and similar materials : en fr
  • FR877558A - Sewage disposal device on board ships : en fr
  • US2304432A - Continuous strip pickling and cleaning device : en
  • USD134511S - Design fob a cookie jar : en
  • CA409154A - Electron tube : en fr
  • AU334941A - Improvements in valves used for engineering purposes : en
  • US2304535A - Direct current measuring instrument : en
  • CA409210A - Automobile window assembly : en fr
  • USD134537S - Design for a deck of playing cards : en
  • FR877489A - Broom pulp and its manufacturing process : en fr
  • CA409091A - Fluid pressure and flow regulator : en fr
  • US2304456A - Self-cleaning orifice member : en
  • US2304460A - Dial test indicator : en
  • CA409084A - Window wiper : en fr
  • CA409258A - Upright piano action : en fr
  • AU372241A - Improvements relating to infusion : en
  • US2304318A - Lock device for antiskid chains : en
  • US2304347A - Thermal control device : en
  • US2304279A - Motor : en
  • CA409199A - Liquid clarification apparatus : en fr
  • AU339041A - Frequency modulation receivers : en
  • AU400341A - Improvements in or relating to boxes, cases andthe like : en
  • AU377541A - Improvements inthe purification of hot impure gases : en
  • CA409247A - Waterlaid felt manufacture : en fr
  • CA409281A - Sealed can : en fr
  • CA409225A - Electric motor : en fr
  • US2304378A - Caster wheel fork : en
  • CA409253A - Rubber filament producing apparatus : en fr
  • CA409118A - Electric clock : en fr
  • USD134534S - Design fob a bumperette : en
  • AU116195B2 - Improvements inthe purification of hot impure gases : en
  • CA409124A - Gas blast circuit breaker : en fr
  • FI19438A - Statur for the purpose of the office machine tool on the board or on the floor : en fi
  • FR877600A - Brake and steering device for vehicles with endless chains : en fr
  • DE729148C - Antenna arrangement to give preference to ground radiation : de en
  • FR877566A - Improvements to two-wheel motor vehicles : en fr
  • US2304134A - Frequency comparator : en
  • US2304157A - Process for improving textiles : en
  • US2304085A - Explosion-proof lighting unit : en
  • US2304508A - Averaging device : en
  • USD134542S - Design foe a belt : en
  • DE728940C - Auxiliary pump for fuel injection engines : de en
  • FR877547A - Device constituting both an automatic safety shutter and a metering device for the use of acetylene gas in internal combustion engines : en fr
  • GB549833A - Improvements in or relating to the production of moistureproof sheets or films : en
  • FI19445A - A papermaking method in which starch is added to paper : en fi
  • US2304124A - Heating and cooling apparatus : en
  • US2304695A - Peanut vine stacking stake : en
  • CA409228A - Marking machine : en fr
  • AU116203B2 - Improvements in or relating to boxes, cases andthe like : en
  • CA409198A - Glassware forming apparatus : en fr
  • CA409224A - Composite metal article : en fr
  • US2304472A - Control mechanism for internal combustion engines : en
  • DE728920C - Production of a fluorescent substance : de en
  • US2304130A - Process for the conversion of metals into finely divided form : en
  • US2304184A - Hand reel for antennas : en
  • GB549773A - Improvements in or relating to damping apparatus for swivelling wheels of aircraft and other vehicles : en
  • US2304178A - Sulphating process and apparatus therefor : en
  • DE729181C - Electrostatic separator with wire-shaped spray electrode : de en
  • DE729227C - Method and device for producing pore-free, clay-containing masses : de en
  • CA409200A - Classifying apparatus : en fr
  • CA409212A - Wheel balancing means : en fr
  • CA409256A - Paper tear-off device for typing apparatus : en fr
  • DE729098C - Process and furnace for melting glass and the like like : de en
  • FR877624A - Method and balancing device for the production of overhead propellers with replaceable blades or with replaceable hubs : en fr
  • GB549878A - Improvements in or relating to variable speed mechanism : en
  • US2304572A - Upper-fastening mechanism : en
  • CA409093A - Electric air heating appliance : en fr
  • FR877538A - Acetylene generator device particularly intended to actuate all explosion engines and in particular those of motor vehicles : en fr
  • DK60394C - Device by antenna systems with a pronounced directional effect to avoid radiation. : da en
  • US2304274A - Treating sewage : en
  • FR877432A - Weather protection device for passenger cars : en fr
  • US2304260A - Apparatus for packing containers with yarn : en
  • US2304072A - Wrench : en
  • US2304374A - Safety device : en
  • GB549876A - Improvements in or relating to collecting mechanism for cigarettes, filter wads and other rod shaped articles : en
  • FR877403A - Pipes for domestic water drainage installations or the like, and method of making such pipes : en fr
  • CA409095A - Face protecting shield : en fr
  • US2304571A - Conveyer lubrication : en
  • DE729101C - Fuel feeder for motor vehicles : de en
  • DE728935C - Lounge furniture : de en
  • DE729235C - Booking engine : de en
  • US2304275A - Collar : en
  • US2304512A - Toilet flushing mechanism : en
  • DE728873C - Process for the production of washable and waterproof fabrics : de en
  • US2304565A - Laboratory delinter : en
  • US2304299A - Composition for treating metal surfaces preparatory to painting : en
  • US2304475A - High molecular weight aliphatic diamide of sebacic acid and process of preparing same : en
  • US2304167A - Grounding and sealing device : en
  • USD134521S - Design for a back bar : en
  • DE729142C - Control for multi-cylinder, flywheelless piston steam engines : de en
  • DE729109C - Cold storage : de en
  • US2304397A - Catalytic cracking : en
  • US2304420A - Scissors sharpener : en
  • DE729096C - Storm-protected wind power plant : de en
  • GB549805A - Improvements relating to dynamo-electric machines having sliprings : en
  • US2304149A - Lasting machine : en
  • US2304199A - Adjustable ambulance chair : en
  • FR877509A - heat exchanger : en fr
  • FR877546A - Use of refractory earths of different compositions to form supports for electric heating resistors : en fr
  • GB549888A - Improvements in and relating to aircraft : en
  • FR877554A - Heat treatment process and furnace : en fr
  • FR877455A - Condensation products and process for preparing these products : en fr
  • GB549895A - Improvements in or relating to the treatment of vulcanised rubber articles and the products obtained thereby : en
  • DE729086C - Shaft seal for roller presses : de en
  • FR877474A - Support device for film reels of cinematographic devices : en fr
  • US2304079A - Rail bond and electric rail connector : en
  • US2304698A - Meter reading apparatus : en
  • FR877567A - Equipment for the dehydration of tar and the continuous production of road tar : en fr
  • US2304099A - Process for isolating vegetable proteins : en
  • US2304705A - Portable tray or table : en
  • CA409160A - Synchronous machine control system : en fr
  • CA409206A - Liquid atomizing method : en fr
  • GB549839A - Improvements in goggles and the like : en
  • CA409163A - Circuit breaker : en fr
  • CA409166A - Screw stick head burnishing method : en fr
  • US2304421A - Cutting apparatus : en
  • AU116188B2 - Improvements relating to submersible electric motors : en
  • CA409090A - Illuminated umbrella stick : en fr
  • DE729044C - Hand-powered audio frequency generator for portable telecommunication devices with a contact device located in the circuit of a local battery : de en
  • GB549830A - Improvements relating to alternating current rectifier apparatus of the dry surface contact type : en
  • FR877416A - Compositions based on aluminum soaps : en fr
  • FR877452A - Improvements in devices intended for the transformation of very short wavelengths : en fr
  • US2304506A - Drier : en
  • USD134545S - Design fob a tape dispenser : en
  • FR877446A - Improvements made to dry ash removal devices for gasifiers or the like, in particular those for vehicles and small installations : en fr
  • FR877511A - Method of assembling armatures for electric air capacitors and the like and capacitors obtained by applying this method : en fr
  • GB549840A - Improvements in conduits for electric cables : en
  • US2304125A - Emulsion and dispersion : en
  • US2304401A - Adapter unit for loose-leaf binders : en
  • US2304693A - Saw : en
  • US2304197A - Tin recovery process : en
  • CA409209A - Porous metal structure : en fr
  • AU116213B2 - Improvements relating to oil burning heating stoves : en
  • CA409088A - Supplementary book leaf attaching means : en fr
  • DE728926C - Harmless meshes of the hardeners in water in textile treatment baths : de en
  • DE728934C - Rotary plate with an attachment plate loosely placed on the footplate : de en
  • DE729138C - Pressing process for the production of lighters for lighters : de en
  • DE729066C - Galvanic element, especially dry element, with increased shelf life : de en
  • CA409179A - Brake control means : en fr
  • US2304771A - Cutter : en
  • CA409146A - Strip coating machine : en fr
  • US2304445A - Screen for lighting fixtures : en
  • US2304582A - Die for drawing sheet metal articles : en
  • US2304726A - Indicating mechanism for paint striping machines : en
  • CA409148A - Wood flooring : en fr
  • DK60393C - Projection device for TV receivers. : da en
  • FR877456A - advanced evaporator for industrial fresh water production : en fr
  • US2304708A - Douche : en
  • US2304470A - Machine for resawing slabs : en
  • US2304686A - System of ice removal : en
  • CA409083A - Wind driven impeller : en fr
  • CA409117A - Nail clinching tool : en fr
  • US2304291A - Wheel suspension : en
  • CA409135A - Sunburn preventing composition : en fr
  • DE729155C - Support frame for stretchers : de en
  • US2304391A - Cement : en
  • US2304741A - Sewing machine lubricating means : en
  • CA409273A - Telephone system : en fr
  • US2304531A - Powder box : en
  • US2304597A - Musical instrument string tensioning means : en
  • US2304667A - Electrical condenser : en
  • US2304744A - Dust disposal unit : en
  • US2304113A - Treated textile product : en
  • DE729026C - Garment made from right-right knitted goods : de en
  • DE729153C - Device for mechanical-electrical measurement of the circumference of a body : de en
  • FR877570A - Method and apparatus for pumping liquids : en fr
  • DE729073C - Boiler system for central heating with a directly heated hot water boiler and a water heater assigned to it : de en
  • US2304761A - Variable permeability tuning device : en
  • CA409263A - Nail cutting machine : en fr
  • US2304066A - Feeding apparatus for maintaining a constant level of liquid : en
  • US2304754A - Light reflecting and transmitting article : en
  • DE729082C - Pistons for internal combustion engines : de en
  • GB549808A - A machine for printing upon shells and like projectiles : en
  • GB549777A - Improvements in sliding windows : en
  • DE728709C - Drive wheel for caterpillar vehicles : de en
  • DE729095C - Spaindelantireb with rotatable spindle for ship lifts with weight compensation : de en
  • DE728957C - Hollow bodies made from bindable masses and process for its production : de en
  • FR877439A - Switchgear for transformers, reactors or capacitors : en fr
  • FR877459A - : fr
  • GB549864A - Improvements in or relating to stretchers : en
  • FI19434A - Värmeutbytesanordning : en fi
  • DE729062C - Electric train signaling system for vehicle trains for command transmission, especially for electric trams : de en
  • DE729083C - Hydraulically operated fuel injector for internal combustion engines : de en
  • FR877519A - Nut wrench : en fr
  • GB549779A - Absorption refrigerating apparatus : en
  • US2304356A - Mechanism control : en
  • FR877457A - : fr
  • US2304622A - Demountable body : en
  • US2304701A - Sword knot : en
  • US2304672A - Material handling apparatus : en
  • GB549784A - Improvements in charging arrangements for electric accumulator vehicles : en
  • DE729037C - Film guide for motion picture projector : de en
  • DK60396C - Electrical Remote Signaling Cable. : da en
  • FR877619A - Uniform Tobacco Feeding System For Cigarette Making Machine : en fr
  • GB549860A - Improvements in or relating to thread guide feed devices for cop winding machines : en
  • USD134522S - Car stop or similar device : en
  • DE729250C - Dental syringe for the optional delivery of different spray agents : de en
  • DE729196C - Corrosion protection agent consisting of hydrocarbons with an ointment-like quality for the pole terminals of lead collectors : de en
  • DK60392C - Device by Lasker for Insulation of Rail Strings. : da en
  • FI19449A - Sät för förbättring av vidhäftningsförmågan hos hydrophoba skikt vid cellulosahydratfolier : en fi
  • GB549800A - Improvement in processes and materials for thickening latex and like materials : en
  • DE729208C - Process for the production of high-molecular masses containing nitrogen : de en
  • DE728933C - Device for solidifying curtain sheets, tarpaulins, or the like. : de en
  • DE729207C - Spring upholstery edge frame for the springs of top mattresses : de en
  • DK60408C - Skudrigellaas. : da en
  • DE729117C - Method for preventing valve seat cracks : de en
  • DE729178C - Conveyor chute for conveying powdery or fine-grained bulk goods, through whose porous bottom a gaseous pressure medium is introduced into the conveyed goods : de en
  • US2304088A - Apparatus for manufacturing filters : en
  • US2304153A - Variable pitch propeller : en
  • GB549836A - Improvements in or relating to perambulators and like carriages : en
  • DE729166C - Process for producing picture and sound films : de en
  • FR877473A - Vaginal tampon : en fr
  • FR877560A - Heating device for beds or others : en fr
  • DE729211C - Measuring device for image reduction : de en
  • US2304247A - Carburetor : en
  • US2304588A - Fluid pressure generation : en
  • US2304649A - Material handling apparatus : en
  • DE729217C - Spring roller mill : de en
  • US2304484A - Vending machine : en
  • CA409157A - Synchronous motor control system : en fr
  • CA409244A - Television receiver : en fr
  • US2304074A - Dehydrated castob oil treatment : en
  • US2304174A - Roller chain sickle : en
  • US2304328A - Smoking pipe : en
  • US2304756A - Combination display rack and storage cabinet : en
  • US2304723A - Process for the manufacture of articles of sintered metallic constituents : en
  • DE729185C - Process and device for backflow formation and distillate cooling in reinforcement columns : de en
  • US2304259A - Rotating heat engine : en
  • FR877431A - Support for cooking vessels to be heated on gas stoves : en fr
  • GB549874A - Improvements in circular saw machines for removing surgical bandages and the like : en
  • US2304635A - Frequency modulation monitor : en
  • FR877410A - Gasifier : en fr
  • DE729176C - Tip for inner rattle : de en
  • FR877632A - Method of using condensation water in steam installations, in particular in railway cars, and device for implementing this method : en fr
  • FR877548A - Automatic clamping device for holding laundry and upholstery : en fr
  • GB549807A - Improvements in or relating to shipbuilding : en
  • US2304544A - Package incorporating filament content cutter : en
  • US2304385A - Book protector : en
  • FR877415A - Switches, converters or electrical machines operating with periodically actuated contacts : en fr
  • AU116194B2 - Photoelectric phonograph : en
  • US2304142A - Glass filter : en
  • FI19439A - Sågblad : en fi
  • FR877607A - Process for the production, on magnesium and magnesium alloys, of protective layers capable of being dyed : en fr
  • DE729194C - Arrangement for the amplitude modulation of cm and dm wave transmitters : de en
  • US2304444A - Liquid level control apparatus : en
  • IE16468L - Enclosed electric switchgear : en
  • FR877612A - Bomb for aircraft launching exercises : en fr
  • FR877465A - Automatic switch with fusible lock : en fr
  • DE729079C - Pack of goods to be dispensed from a self-seller : de en
  • GB549875A - Improvements in or relating to collecting mechanism for cigarettes, filter wads and other rod shaped articles : en
  • FR877516A - Air dash-pot for time switches and the like : en fr
  • US2304736A - Mold lock : en
  • US2304292A - Refrigerator cabinet construction : en
  • US2304487A - Control mechanism for combination flap and aileron for airplanes : en
  • DK60400C - Branch holder for Fruit Trees. : da en
  • FR877479A - Improvements to acetylene generators : en fr
  • US2304737A - Mass clamp for gravity meters : en
  • US2304677A - Dandelion extractor : en
  • US2304322A - Hockey stick : en
  • DE728986C - Method and device for increasing the image frequency in cinematographic recording apparatus with optical compensation : de en
  • DE729024C - Locking device for the heating circuit of glow cathode tubes : de en
  • DE729036C - Roll film camera with rewind device : de en
  • USD134548S - Design for a dress : en
  • US2304720A - Overhead carrier system : en
  • DE729236C - Fastening of enamelled tanks on vehicles, in particular horizontal tanks on railway chassis : de en
  • FI19451A - Heating equipment for use in buildings intended for the drying of peat : en fi
  • FR877562A - Automatic winding mechanism for chronographs and the like : en fr
  • CA409114A - Collar clip : en fr
  • CA409176A - Condenser bushing : en fr
  • US2304715A - Loose-leaf binder : en
  • CA409190A - Bearing lubricating device : en fr
  • CA409257A - Radio shielded ignition system : en fr
  • US2304117A - Container transfer equipment for vehicles : en
  • US2304152A - Explosive projectile : en
  • US2304509A - Spraying apparatus : en
  • US2304240A - Coin control device : en
  • CA409158A - Audio frequency amplifier : en fr
  • DE729022C - Electric motor drive, especially for stage signal boxes : de en
  • USD134538S - Design for a game board : en
  • USD134527S - Holder for memorandum fads or the like : en
  • DE729000C - Lamp signal circuit : de en
  • DE729163C - Process for the production of water-soluble pest repellants containing redone : de en
  • DE729002C - Device for monitoring control organs : de en
  • DE729035C - Method for gluing paper : de en
  • FR877593A - Process for manufacturing son or other artificial cellulose objects : en fr
  • DE729087C - Oxygen breathing apparatus with boy-controlled oxygen supply : de en
  • GB549856A - A device for use in cleaning chimneys : en
  • DE729003C - Device for generating several electron beams in a cathode ray tube : de en
  • US2304595A - Self-aligning rod end bearing : en
  • US2304605A - Vacuum regulator for air driven aircraft instruments : en
  • FR877501A - Improvements to gasifier vehicles : en fr
  • DE729122C - Method for the joint examination of transparent objects according to the Schlieren and interference method : de en
  • DK60409C - Rainproof Box with removable Shutters. : da en
  • DE729157C - Sun and rain protection roof : de en
  • US2304651A - Spring structure : en
  • US2304468A - Oil burner : en
  • US2304422A - Mowing machine : en
  • USD134515S - Design fok a game boabd : en
  • US2304707A - Hot air stove : en
  • US2304642A - Automobile air conditioning unit : en
  • DE728924C - Work jacket : de en
  • DE729094C - Reflex sight with a device for measuring distance and correcting the line of sight : de en
  • DE729070C - Method of making a paint binder : de en
  • DE729106C - Process for the extraction of phlobaphene-free structural substance from pine bark : de en
  • GB549859A - Improvements in or relating to telephone instruments : en
  • DE729009C - Process for the production of a finned tube : de en
  • DE729151C - Boiler firing with oil or dust burners with a rotating atomizer beaker : de en
  • US2304663A - Method for preheating lens making materials : en
  • DE729199C - Arrangement for remote control in three-phase networks : de en
  • DE729043C - Process for obtaining gasolines with good knocking properties : de en
  • DE729193C - Procedure for level control of a transmitter : de en
  • US2304689A - Homogenizing valve : en
  • US2304740A - Method for recording seismic waves : en
  • FR877518A - Junction piece for aluminum and copper conductors : en fr
  • US2304239A - Production of primary alkyl chlorides : en
  • US2304718A - Structural member and method of fabricating the same : en
  • CA409246A - Machine tool ram back brace : en fr
  • CA409259A - Electrical shunt : en fr
  • US2304064A - Process for producing aldehydes : en
  • US2304154A - Catalytic conversion of hydrocarbons : en
  • US2304206A - Process for producing filaments : en
  • USD134523S - Design for a clasp forming pliers : en
  • USRE22232E - Refrigerator car : en
  • DE729090C - Device for checking the water absorption capacity of gas mask clear panes : de en
  • DE729204C - Disinfectants and preservatives : de en
  • US2304228A - Spinning and twister frame : en
  • US2304407A - Internal combustion engine : en
  • US2304712A - Winding machine with auxiliary device for initiating the winding operation : en
  • CA409125A - Linear dimension gauge : en fr
  • US2304267A - Combined closure and applicator : en
  • US2304371A - Bearing : en
  • US2304634A - Motor : en
  • US2304724A - Projection of stereoscopic images : en
  • CA409177A - Brake control means : en fr
  • CA409274A - Braid covered electric cord : en fr
  • US2304481A - Joint construction : en
  • US2304096A - Fluid system pressure booster : en
  • US2304395A - Rear folder for wrapping machines : en
  • US2304490A - Television apparatus : en
  • CA409191A - Spindle bearing : en fr
  • DE729120C - Device for measuring the clear width of bores using compressed air or pressurized fluid : de en
  • CA409202A - Photo electric device : en fr
  • DE729252C - Sofa, preferably a couch, with loosely positioned, low backrest cushions : de en
  • CA409241A - Light sensitive diazotype layer manufacture : en fr
  • CA409153A - Ladle tilting apparatus : en fr
  • FR877425A - Headlight with tachometer housed inside : en fr
  • FR877621A - Method and apparatus for creating new sound effects : en fr
  • CA409101A - Mixed briquetting process : en fr
  • CA409161A - High frequency modulation system : en fr
  • DE729045C - Electric fast regulator with damping and springy feedback device : de en
  • DE729202C - Device for the step-by-step control of single and multi-step reciprocating compressors : de en
  • FR877505A - Anthraquinone derivatives containing nitrogen : en fr
  • AU116217B2 - Frequency modulation receivers : en
  • US2304452A - Blending edible fats : en
  • DE729156C - Electrically internally heated hair curling rod for the permanent wave method : de en
  • DE729203C - Stretcher to be carried by two porters : de en
  • US2304722A - Parasiticidal material : en
  • US2304186A - Velocity modulated tube : en
  • FR877498A - Acetylene Generator For Automotive Cars : en fr
  • FR877508A - High pressure gasifier using all fuels : en fr
  • FR877543A - Washing and cleaning, laundry and toilet products replacing soap and its manufacturing process : en fr
  • US2304602A - Method for the production of sebacic acid and methylhexylcarbinol : en
  • CA13392S - Parka : en
  • CA409134A - Cigarette end forming mechanism : en fr
  • CA409097A - Ship propeller reaching means : en fr
  • CA409106A - Conveyance safety control device : en fr
  • US2304246A - Chewing gum : en
  • FI19440A - Centralograf : en fi
  • DE728543C - Electric motor, especially underwater motor, whose stand space is sealed off from the runner space by a bushing : de en
  • US2304237A - Pump : en
  • CA409275A - Gas cleaning apparatus : en fr
  • US2304227A - Toothbrush container : en
  • FR877549A - Improvements to the trangulation of bicycle frames, tandems or similar : en fr
  • US2304511A - Bedstead : en
  • CA409243A - Glass batch feeding apparatus : en fr
  • US2304411A - Refrigerating apparatus : en
  • FR877572A - New lightweight accumulator : en fr
  • US2304250A - Fuse link : en
  • US2304499A - Cutting device : en
  • US2304210A - Insulated electric cable : en
  • US2304451A - Quenching bath and method of quenching metal : en
  • US2304406A - Rotary motor : en
  • US2304434A - Projecting device : en
  • US2304241A - Engine starter gearing : en
  • DE729281C - Cardboard disc bottle cap : de en
  • GB549801A - Food preparation and process for the production thereof : en
  • US2304263A - Manufacture of adhesive films : en
  • USD134525S - Design for a body for a trailer vehicle or the like : en
  • DE729179C - Turbine or pump system : de en
  • US2304183A - Multistage dehydroaromatization : en
  • CA409180A - Electrical induction apparatus : en fr
  • CA409282A - Television light valve projection apparatus : en fr
  • US2304098A - Process of preparing zinc peroxide : en
  • US2304528A - Waterproof container latch : en
  • US2304390A - Coupling : en
  • US2304465A - Refrigerator with deep freezing chamber : en
  • US2304710A - Tester for battery containers : en
  • FR877512A - Coupler or combiner control system for electric vehicle engine : en fr
  • US2304731A - Method of determining the density and shrinkage of the wool in a bale of wool : en
  • CA409217A - Variable speed mechanism : en fr
  • US2304392A - Film driving mechanism : en
  • DE728929C - Automatic regulation of air heaters for several rooms, especially railway vehicles : de en
  • DE729049C - Process and device for the production of encased welding electrodes for arc welding : de en
  • CA409089A - Expanding fish hook : en fr
  • US2304678A - Rubber cement and method of making the same : en
  • CA409141A - Boiler steam and water separator : en fr
  • CA409234A - Demountable tank body : en fr
  • DE729128C - Seal made of elastic material for rotating shafts or rods going back and forth : de en
  • US2304310A - Thread locking device : en
  • US2304748A - Gravity meter : en
  • US2304750A - Ceramic pigment : en
  • USD134541S - Mastrangelo dining booth : en
  • US2304459A - Hand tool : en
  • US2304080A - Preparation of alpha trioxymethylene : en
  • US2304399A - Banding machine : en
  • US2304427A - Recovery of silver from scrap films : en
  • US2304442A - Relay commutator : en
  • DE729028C - Device to avoid dripping water caused by thermal expansion in overflow storage tanks : de en
  • FR877460A - Manufacturing process of pyridin-3-acetic acid or its derivatives : en fr
  • GB549831A - Improvements in or relating to electro-magnetic switches : en
  • FR877581A - Self-tightening chuck : en fr
  • US2304425A - Pneumatic riveter : en
  • US2304437A - Cap-feeding apparatus : en
  • US2304078A - Cuprous oxide : en
  • US2304419A - Conveyer : en
  • FI19432A - Generator : en fi
  • FI19435A - Gas generator furnace grate unit : en fi
  • US2304416A - Dental alloy : en
  • US2304471A - Manufacture of yeast : en
  • US2304614A - Template for fashioning elements of roof trusses and like structures : en
  • CA409260A - Friction damped engine mount : en fr
  • US2304569A - Telegraph system : en
  • US2304280A - Process of recovering sulphuric acid from spent sulphuric acid : en
  • GB549824A - Improvements in and relating to electric lamp manufacturing machinery : en
  • FR877499A - Elastic transmission : en fr
  • US2304559A - Electric scraper : en
  • CA409086A - Hair waving method : en fr
  • US2304090A - Copper oxide rectifier : en
  • US2304483A - Electrical insulator : en
  • US2304671A - Lister harrow : en
  • US2304334A - Bushing : en
  • US2304408A - Gun perforator : en
  • US2304566A - Fire control mechanism : en
  • USD134514S - Design for a cookie jar : en
  • DE728996C - Device for driving the shuttle for hand looms : de en
  • DE729135C - Encoder for the remote position of non-rotating measuring mechanisms : de en
  • US2304503A - Action toy : en
  • US2304492A - Filter : en
  • AU372341A - Improved means for admitting fuel to internal combustion engines : en
  • US2304127A - Mop : en
  • US2304061A - Switching device for telephone instruments : en
  • US2304598A - Window construction : en
  • CA409230A - Knitted metallic fabric : en fr
  • CA409285A - Liquid particle suspension in a gas atmosphere : en fr
  • FR877542A - Ball toothed gears : en fr
  • DE729012C - Plunger roller coupling for writing machines : de en
  • DE729240C - Flashlight to be attached to the steel helmet : de en
  • DE729004C - High frequency coil with iron core : de en
  • CA409155A - Frequency control device : en fr
  • GB549884A - Improvements in or relating to wheeled stretcher carriages and the like : en
  • DE728903C - Made of easily inflammable materials, such as B. Metaldehyde, red phosphorus, camphor and sodium chlorate, existing ignition stick for pyrophoric lighters : de en
  • CA409242A - Glass batch feeding apparatus : en fr
  • DE729223C - Switch-on device for bicycle alternators : de en
  • AU116221B2 - Improvements relating to infusion : en
  • US2304375A - Change speed transmission mechanism : en
  • US2304690A - Keyhole illuminator : en
  • US2304158A - Photo mount : en
  • US2304329A - Calculating machine : en
  • US2304735A - Paper making apparatus : en
  • US2304742A - Flashlight : en
  • US2304214A - Dispensing container and top closure therefor : en
  • AU371341A - Improvements in amplifiers : en
  • US2304133A - Production of anhydrous aluminum sulphate : en
  • USD134509S - Design for a pneumatic drill : en
  • CA409175A - Measuring instrument : en fr
  • GB549855A - Improvements in and relating to hats and caps : en
  • DE729216C - Bending of pipes made of non-malleable centrifugal cast, such as cast iron : de en
  • US2304448A - Condenser for soil moisture meter : en
  • US2304556A - Door control apparatus : en
  • US2304584A - Wheel structure : en
  • US2304256A - Treatment of well drilling fluids : en
  • US2304319A - Toothbrush : en
  • US2304461A - Injection molding apparatus : en
  • US2304728A - Stabilization of polymerizable vinyl aromatic compounds : en
  • USD134501S - Design for a clock : en
  • FR877488A - Further training in lean gas generators intended for supplying internal combustion engines : en fr
  • US2304068A - Refrigeration : en
  • US2304716A - Loose-leaf binder : en
  • GB549870A - Improvements in lock stitch sewing machines : en
  • US2304215A - Wind wheel : en
  • US2304517A - Mailing device : en
  • FR877517A - Intermediate fitting for aluminum, copper and their alloys and other valves : en fr
  • FR877408A - Process for the preparation of an alumina-pectin adsorbate, effective primarily as an emulsifying and cleaning agent : en fr
  • FR877635A - Azo dyes and process for preparing these dyes : en fr
  • FR877649A - Packaging for products subjected to maturation or aging of a bacterial or other nature : en fr
  • US2304073A - Method of making electrolytic devices : en
  • FR877588A - Method and devices for reducing wind stress on conductors of overhead power lines and similar structures : en fr
  • GB549826A - Improvements relating to electrically operated sound producing horns : en
  • DE729032C - Bearing for shafts rotating at high speeds : de en
  • DE729137C - Device for keeping the viscosity and the paint level constant in painting facilities : de en
  • FR877527A - Improvements to electric lighters : en fr
  • GB549899A - Improvements in altimeters : en
  • FR877476A - Motor assembly with adjustable speed : en fr
  • US2304327A - Calculator : en
  • DE729008C - Process for the separation of non-magnetizable metal bodies by magnetic means : de en
  • GB549851A - Improvements in or relating to the softening or purification of water : en
  • US2304414A - Locking device : en
  • DE728823C - Storage box for slides, micrographs or the like. : de en
  • CA409172A - Circuit interrupter : en fr
  • DE729015C - Circuit arrangement for single or double current operated local circuits of relay transmissions in telegraph systems : de en
  • FR877625A - Electromagnetic warning device, especially for vehicles : en fr
  • FR877541A - Damping effect drawbar : en fr
  • FR877592A - Method for inserting additions and modifications of dictations recorded by the magnetic sound process : en fr
  • FR877421A - Carburetor for gas engines : en fr
  • GB549786A - Improvements in hairwaving apparatus : en
  • GB549794A - Improvements in absorption refrigerating apparatus : en
  • DE729183C - Trousers, especially underpants : de en
  • FR877533A - Reciprocating power tool holder for remeshing stockings, stitching patterns, pushing back or performing similar work : en fr
  • US2304204A - Electrical insulator : en
  • DE729228C - Tube made from a sheet of film by winding : de en
  • DE729201C - Method for processing the heel parts on a piece of hosiery consisting of length and foot parts on the flat weft knitting machine : de en
  • FR877467A - firearm : en fr
  • US2304121A - Welding mechanism : en
  • US2304120A - Misselection indicator : en
  • US2304436A - Cap feeding apparatus : en
  • US2304218A - Holding device for loom let-off mechanism : en
  • US2304681A - Container : en
  • US2304457A - Dispensing mechanism : en
  • DE728927C - Business book : de en
  • DE729197C - Clamp for electrical overhead lines, especially for lines made of different metals : de en
  • FR877435A - Pulverized coal burner : en fr
  • DE729245C - Braun cathode ray tubes : de en
  • US2304086A - Carrier unloader : en
  • CA409150A - Aircraft structure : en fr
  • CA409229A - Plough lift : en fr
  • US2304349A - Auxiliary back rest : en
  • DE729065C - Circuit for signals, especially those of the semi-automatic type : de en
  • FI19444A - Pappersbehållare, tillskärning av en pappersbehållare jämte förfaringssätt och anordning fill tillslutning av en pappersbehållare : en fi
  • USD134547S - Design for slacks : en
  • FR877609A - Cleaning device for roller drawing benches of spinning machines : en fr
  • US2304632A - Wrinkled surface article : en
  • CA409142A - Vapour generator : en fr
  • DE729115C - Process for making a resin soap in solid form : de en
  • DE728803C - Process for the preparation of aromatic sulfonamide-substituted antimony compounds : de en
  • US2304496A - Slide loop : en
  • US2304065A - Prod : en
  • US2304380A - Hydraulic valve : en
  • US2304541A - Plastic offset press printing plate and method of making same : en
  • DE728975C - Gas generator with a rotating ash pan : de en
  • GB549793A - Improvements in or relating to vehicle bodies : en
  • US2304611A - Carrier wave signal transmission system : en
  • USD134551S - Design fob a dress : en
  • DE728959C - Mashing process for the production of alcohol-free or low-alcohol beers or beer-like beverages : de en
  • GB549771A - Improvements in methods and apparatus for radio receiving : en
  • DE729222C - Device for covering a retractable landing gear passage opening provided in an outer wall of the airframe : de en
  • DK60391C - Process for the Preparation of Aralkylamines by Catalytic Hydrogenation of Halo-Hydrogen Acidic Esters of Aromatically Substituted Amino Alcohols. : da en
  • FR877487A - Locking device for cycles : en fr
  • GB549869A - An improved spring hinge : en
  • USD134524S - Design for a cover for tobacco pipes : en
  • US2304646A - Brake control for slusher hoists : en
  • USD134543S - Design foe a dress : en
  • USD134550S - Design fob a dress : en
  • US2304600A - Production of adhesives : en
  • DE728969C - Electromagnetic relay with spring armature : de en
  • US2304147A - Rake : en
  • DE729105C - Manufacture of hydrazine : de en
  • AU102641A - Improvements relating to submersible electric motors : en
  • USD134502S - Bromm armored tank track coupler : en
  • US2304394A - Oil well tubing coupling : en
  • FR877628A - Current generator for vehicle lighting, in particular cycles : en fr
  • DE729017C - Device for transmitting pulses, in particular telegraphic pulses, by means of carrier currents, in which alternating currents of different frequencies are used to transmit the separating and character flow steps : de en
  • GB549854A - Improvements in and relating to the manufacture of bread : en
  • US2304463A - Process for treating and reducing chromium chloride : en
  • GB549781A - Improvements relating to fuel injection systems for two-stroke internal combustion engines : en
  • US2304201A - Vehicle truck and suspension system therefor : en
  • US2304613A - Delayed operation circuit : en
  • US2304640A - Window regulator : en
  • FR877449A - Automotive window selective control mechanism : en fr
  • FR877454A - optical element : en fr
  • FR877466A - Internal combustion engine fitted with a centrifugal sweeping or supply fan : en fr
  • CA409136A - Gas returning method for wells : en fr
  • CA409143A - Fluid system : en fr
  • US2304269A - Air conditioning system : en
  • US2304281A - Pipe cleaner : en
  • US2304376A - Lister plow : en
  • US2304387A - Illuminated handbag : en
  • US2304683A - Hamper manufacture : en
  • US2304110A - Production of titanium oxide pigments : en
  • GB549841A - Manufacture of sodium percarbonate : en
  • USD134506S - Slipper or similar article : en
  • DE728911C - Process for making photomechanically produced screen printing stencils resistant : de en
  • DE728982C - Process for making custard powder : de en
  • FR877577A - Installation for dosing, mixing and distribution of bulk materials : en fr
  • FR877626A - License plate with interior lighting, especially for vehicles : en fr
  • GB549825A - Improvements in or relating to contacts for electrical switchgear : en
  • US2304176A - Spring sash balance : en
  • GB549799A - Manufacture of organic halogen-containing compounds : en
  • US2304082A - Reversible slider : en
  • FR877524A - Improvements in the construction of saddle frames and in the methods of attaching coil springs in the saddles of bicycles, tandems, or the like : en fr
  • DE729279C - Control for star internal combustion engines : de en
  • FR877565A - Improvements to automatic skips : en fr
  • FR877589A - Current supply device for weak traffic signals : en fr
  • US2304271A - Wrench for spark plugs and the like : en
  • US2304335A - Process for heat-sensitizing latex : en
  • FR877433A - Process for extracting oils from animal or vegetable substances : en fr
  • DE729071C - Process for the polymerization of fatty oils : de en
  • DE728958C - Air suction device for dusty goods : de en
  • FR877575A - Orientable pulley and its application to goods transport vehicles and traction machines and gear : en fr
  • FR877440A - Trigger : en fr
  • FR877611A - Hand pliers for perforating thin sheets of various materials : en fr
  • FR877638A - Snap ring and latch : en fr
  • FR877574A - Process for manufacturing glue or adhesive with seaweed : en fr
  • DE729056C - brush : de en
  • DE729205C - Method and mold for casting plates or similar large-area objects made of aluminum or magnesium alloys : de en
  • US2304650A - Piston : en
  • US2304170A - Furnace roof : en
  • US2304507A - Art of cracking mineral oil : en
  • CA409216A - Shelf bracket : en fr
  • DE729186C - Process for the production of basic complex thorium sodium taratate : de en
  • DE729258C - Valve arrangement for multi-cylinder internal combustion engines : de en
  • USD134510S - Design for a game board : en
  • US2304478A - Process of treating materials comprising albumin, such as hair, bristles and the like : en
  • FR877598A - Process for preparing solutions or pastes based on polyamides : en fr
  • US2304717A - Cured rubber article and method of making same : en
  • USD134556S - Design for a lady s suit : en
  • FR877616A - Receiving rectifier : en fr
  • US2304617A - Electric motor control : en
  • USD134532S - Mastrangelo chair : en
  • SE106070C1 - Electrical installation device : en sv
  • DE729134C - Device for unscrewing the filling screws from bullets : de en
  • GB549847A - Improvements in or relating to radio navigational instruments : en
  • DE728944C - Device for protecting babies from chemical warfare agents : de en
  • FR877521A - One-piece handle with central core ensuring its attachment to the handlebars of bicycles, tandems, sports toys or any other application : en fr
  • GB549844A - Improvements in and relating to mechanically operated electrical contact mechanism having magnetic biasing : en
  • DE729143C - Process for making exhaust steam invisible : de en
  • DE729215C - Countersink tool, especially for screw head countersinks, with adjustable stop sleeve : de en
  • US2304696A - Bicycle frame and head shroud therefor : en
  • GB549868A - Improvements in copying lathes : en
  • DE729072C - Device for adjusting the height of a seat of swivel chairs : de en
  • DE728887C - Process for the production of pigment pastes : de en
  • FR877417A - Cooling system for forced circulation boiler : en fr
  • FR877515A - Filter for gasifier gas and the like : en fr
  • FR877422A - Electric headlight for vehicles : en fr
  • US2304191A - Gravity meter : en
  • US2304706A - Attachment for oil burners : en
  • AU116222B2 - Improved means for admitting fuel to internal combustion engines : en
  • CA409108A - Electric lighted ornamental device : en fr
  • US2304624A - 5-substituted tetrahydrotriazone : en
  • AU379941A - Improvements relating tothe hermetic sealing of metal into vitreous materials : en
  • DE728937C - Inevitably acting, retractable protection device for cellar hatches : de en
  • DK60399C - Process for the production of transparent plastics by heat condensation of polyamide-forming compounds. : da en
  • US2304278A - Paper cup : en
  • CA409186A - Compressor control means : en fr
  • US2304757A - Refrigerator construction : en
  • USD134517S - Compressor for a hydraulic brake unit or the like : en
  • US2304126A - Structural joint : en
  • US2304586A - Hob for generating crown gears : en
  • US2304283A - Ironing board pad : en
  • US2304568A - Vulcanization accelerator : en
  • AU375441A - Methods and devices for creating novel sound effects : en
  • AU375641A - Photoelectric phonograph : en
  • DE729077C - Process for the production of a felt-like material : de en
  • US2304332A - Scraping device : en
  • US2304112A - Sensitizing dyes containing thienyl thiazole radicals and intermediates therefor : en
  • US2304368A - Vehicle brake : en
  • US2304753A - Rotary feeding device : en
  • FR877587A - Acetylene generator from carbide : en fr
  • US2304309A - Vertical-axis canister-type vacuum cleaner : en
  • DE728908C - Process for removing unpleasant smells and flavors from beetroot : de en
  • DE729167C - Retractable aircraft landing gear : de en
  • DE729182C - Additional device for dough processing, especially for the preparation of sour foam in dough kneading machines with few stirring arms : de en
  • GB549897A - Improved manufacture of double-walled articles : en
  • US2304763A - Trolley wire support : en
  • US2304307A - Safety razor box : en
  • US2304400A - Snap switch : en
  • US2304488A - Dispensing apparatus for liquefied gas : en
  • DE728970C - Arrangement for the operation of discharge lines with submersible transmitters : de en
  • GB549823A - Improvements in reciprocating pumps : en
  • US2304365A - Tractor : en
  • CA409215A - Salt making apparatus : en fr
  • CA409269A - Liquid filter : en fr
  • AU377341A - Improvements relating to oil burning heating stoves : en
  • CA409265A - Shoemaking method and apparatus : en fr
  • GB549873A - Improvements in or relating to fluid seals and self-contained sealing units : en
  • US2304111A - Uniform : en
  • US2304296A - Tray guard rail protector : en
  • US2304547A - Receptacle suspension : en
  • US2304295A - Printing telegraph system and apparatus : en
  • US2304591A - Flexible cheese package : en
  • DE728971C - Electric salt bath oven : de en
  • DE728994C - Two-part bollard : de en
  • US2304070A - Hydrocarbon conversion process : en
  • DK60395C - Coupling for providing a phase shift of 180 °, in particular for transmission systems for generating guide lines. : da en
  • CA409128A - Surface covering material curing process : en fr
  • US2304752A - Railway tie tool : en
  • DE728886C - Process for the preparation of copper complex compounds of substantive azo dyes : de en
  • DK60404C - Trugsvingmølle. : da en
  • DK60406C - Valve device for Inhalers and Oxygen Treatment Devices. : da en
  • CA409159A - Liquid heater : en fr
  • US2304652A - Spring structure : en
  • US2304226A - Abrasive wheel : en
  • US2304304A - Defoamer : en
  • GB549852A - Improvements relating to hydraulic brake pumps : en
  • CA409151A - Cellulosic material bleaching method : en fr
  • US2304171A - Rake : en
  • US2304063A - Window construction : en
  • US2304691A - Windshield defroster : en
  • US2304146A - Feeding and serving mechanism : en
  • US2304479A - Combined switch and rheostat : en
  • CA409131A - Surface covering material : en fr
  • FR877444A - Camera for films on reels with perforated films : en fr
  • US2304235A - Sleeping garment : en
  • US2304655A - Corner lock for bedsteads : en
  • US2304501A - Yarn carrying device : en
  • DE729244C - Electric cathode glow tubes to keep voltages constant : de en
  • US2304580A - Grinding machine : en
  • US2304522A - Advertising pencil, pen, or like styliform devices : en
  • FR877557A - Relays sensitive to frequency and speed variations : en fr
  • US2304523A - Data recording form : en
  • US2304175A - Adjustable spring sash balance : en
  • US2304428A - Wrapping machine : en
  • DE729080C - Agent for accelerating wound healing in plants : de en
  • AU116196B2 - Improvements relating tothe hermetic sealing of metal into vitreous materials : en
  • DE729118C - Device for preheating or cooling centrifugal casting molds : de en
  • FR877536A - Filter to purify the gases leaving the gasifiers directly : en fr
  • DE729234C - Forced circulation steam generator : de en
  • CA409218A - Production of alpha-naphthylacetic acid, its esters and salts : en fr
  • US2304644A - Lubricator : en
  • DE728955C - Filter breathing apparatus : de en
  • DE729221C - Procedure for extinguishing magnesium or other light metal brakes : de en
  • GB549785A - Improved means for testing and selecting electrical circuits, particularly in automatic telephone systems : en
  • FR877583A - Photoelectric equipment for accurately locating the position of an object bearing a division : en fr
  • FR877627A - Multi-tool revolving turret with adjustable tool holders, for application to machine tools, and in particular to carriage lathes or similar : en fr
  • CA409227A - Coating anchoring method : en fr
  • DE729253C - Folding shutter guide : de en
  • FR877503A - Process for the production of purified latex and rubber from this latex : en fr
  • DE729033C - Friction gear change transmission : de en
  • US2304314A - Magazine safety razor : en
  • DE728884C - Process for the production of glow path regulators : de en
  • US2304534A - Venetian blind : en
  • FR877445A - Lamp device : en fr
  • DK60398C - Device with resilient bed bases. : da en
  • DE729016C - Circuit arrangement for alternating current telegraphy : de en
  • DE728876C - Process for the production of oily, fat or waxy products : de en
  • DE729160C - Extendable tripod leg : de en
  • DE729018C - Polarized flat relay with only one excitation coil, especially for telegraphy : de en
  • FI19430A - Restriction of rotation by means of a rotating or rotating cylinder according to the rotation of the rotation cylinder : en fi
  • FR877477A - Metal cans crimping process : en fr
  • US2304638A - Circuit interrupter : en
  • DE729229C - Chest protectors or bras, especially for bathing suits : de en
  • GB549883A - Improvements in or relating to containers for liquids : en
  • DE728863C - Process to prevent the threading of bread and pastries : de en
  • US2304093A - Removing iron from magnesium alloys : en
  • US2304386A - Printing mechanism : en
  • US2304161A - Reversing and lead controlling mechanism for fuel injection engines : en
  • US2304469A - Apparatus for converting metals and the like : en
  • US2304664A - Lens molding press : en
  • CA409173A - Motor control system : en fr
  • DE728966C - High-performance arc lamp, especially for headlights : de en
  • GB549769A - Improvements in radio receivers : en
  • US2304760A - Piezoelectric crystal element : en
  • GB549849A - A method of making pen nibs : en
  • US2304059A - Nickel anode : en
  • US2304415A - Toy bank : en
  • US2304524A - Control for shovels : en
  • US2304230A - Metallic salts of mahogany sulphonate and the process of making the same : en
  • US2304702A - Synchronizing system : en
  • US2304277A - Typewriting machine : en
  • CA409205A - Window regulator : en fr
  • CA409249A - Capillary active compound : en fr
  • FR877553A - Fuel chipboard and manufacturing process : en fr
  • FR877636A - High Power DC Machine : en fr
  • FR877643A - Improvements to speed modulated electron tubes : en fr
  • GB549796A - Improvements in x-ray and other high tension electrical apparatus : en
  • US2304755A - Telelectroscope : en
  • GB549880A - Improvements in and relating to metal extrusion presses and methods of operating same : en
  • GB549893A - Improvements relating to the damping of vibrations in members : en
  • FR877506A - electric propellant for bicycles : en fr
  • FR877401A - New weapon : en fr
  • FI19448A - Corkscrew : en fi
  • FR877631A - Manufacturing process of bread flour and bread : en fr
  • GB549834A - Improvements in thermionic amplifier circuit arrangements : en
  • DE729180C - Wind turbine with propeller-like blades that can be folded down in the direction of the wind : de en
  • FR877463A - Method of telegraphy for the transmission of communications on electric waves : en fr
  • GB549772A - Improvements in or relating to apparatus for damping movements of vehicle and other wheels : en
  • US2304285A - Rack : en
  • CA409239A - Radio receiver remote control : en fr
  • US2304284A - Engine starter gearing : en
  • USD134544S - Shield for billiard table pockets or the like : en
  • CA409133A - Briquette carbonizing process : en fr
  • US2304590A - Remote control apparatus for selectively operated machines : en
  • US2304138A - Control of simultaneous endothermic and exothermic reactions : en
  • US2304288A - Tung oil substitute : en
  • CA409121A - Sawing apparatus : en fr
  • CA409222A - Oil burner : en fr
  • US2304254A - Manifold heater : en
  • US2304326A - Reduction of fibrous materials : en
  • US2304714A - Method and apparatus for use in reconditioning gas filled lamps : en
  • US2304367A - Safety battery belt : en
  • US2304097A - Bobbin spinning machine : en
  • DE728965C - Clamp for kink-free connection of overhead lines : de en
  • US2304424A - Traction increasing device for dual wheels : en
  • GB549819A - Improvements in or relating to combing machines : en
  • DE728992C - Process for coloring sand and the like like : de en
  • FR877413A - Non-flammable electrical pipes : en fr
  • DE729264C - Device for fine adjustment of feed lengths during operation on machines with intermittent feed : de en
  • US2304627A - Switching apparatus : en
  • US2304633A - Electric recording and reproducing system : en
  • DE729119C - Use of lead alloys for sockets : de en
  • DE729237C - Arrangement for voltage, frequency and power measurement with short waves : de en
  • DE729271C - Elastic vehicle wheel : de en
  • US2304529A - Circuit interrupter : en
  • US2304574A - Knapsack jacket : en
  • US2304719A - Manufacture of titanium dioxide pigments : en
  • DE728871C - Process for interrupting fermentation in the production of non-alcoholic or low-alcohol beers, beer-like or other fermented beverages : de en
  • DE729246C - Voting display device for recipients : de en
  • FR877402A - Safety leads : en fr
  • US2304258A - Method of treating metals and metal alloys during casting : en
  • US2304266A - Brake actuating system and apparatus : en
  • US2304363A - Crane scale : en
  • US2304608A - Electrical cutout for motor vehicles : en
  • FR877529A - Auxiliary device intended for the mechanical machining of workpieces : en fr
  • DE729031C - Rotary valve control for internal combustion engines, especially two-stroke engines : de en
  • DE729076C - Process for the production of curved see-through panels from thermoformable plastic sheets : de en
  • DE729116C - Process for the production of sterile bandages or sterile catgut : de en
  • US2304290A - Alkylation process : en
  • US2304497A - Door elevating and supporting mechanism : en
  • US2304679A - Apparatus for saccharifying starchy materials : en
  • US2304458A - Lamp fixture and a method for producing same : en
  • US2304738A - Seismograph : en
  • DE728981C - Process for the production of polyurethanes or polyureas : de en
  • DE729121C - Method for the joint examination of transparent objects according to the Schlieren method and the interference method : de en
  • GB549810A - Improvements in or relating to electric metal-vapour discharge tubes : en
  • FR877407A - Improvements to nozzles for gasifiers : en fr
  • FR877594A - Frame for sliding doors, especially car doors : en fr
  • GB549669A - Improvements in vehicle structures : en
  • US2304244A - Coupling : en
  • DE729213C - Means for combating the bee mite : de en
  • US2304398A - Catalytic cracking : en
  • DE728877C - Process for the production of fertilizers : de en
  • DK60401C - Roller-shaped swivel slide. : da en
  • FR877642A - Improvements to high frequency current measuring devices : en fr
  • GB549889A - Improvements in or relating to means for supplying heated air to furnace and the like fires : en
  • GB549780A - Improvements in or relating to means for connecting agricultural implements to tractors : en
  • FI19437A - Portable load carrier on the back : en fi
  • US2304439A - Typewriting mechanism : en
  • US2304450A - Voting machine of the recording : en
  • US2304573A - Screening apparatus : en
  • FR877500A - Automatic flow oil lubricator : en fr
  • GB549885A - Improvements in or relating to the manufacture of caps for closures of containers : en
  • GB549815A - Improvements in and relating to gang channel nut structures : en
  • GB549806A - Improvements in or relating to ornamental moldings : en
  • FR877522A - Process for manufacturing coal agglomerates and in particular charcoal for gasifiers and products obtained by this process : en fr
  • FR877532A - New sulfonation products, their manufacturing process and their use : en fr
  • US2304545A - Wave transmission network : en
  • US2304759A - Means for preparing pie crusts : en
  • FR877490A - Retractable Bottom Garbage Bucket : en fr
  • FR877615A - Goniometric frame : en fr
  • US2304554A - Method of separating scrapped vulcanized rubber : en
  • FR877485A - Filter for gasifiers : en fr
  • FR877641A - Improvements to high frequency equipment : en fr
  • US2304180A - Coal mining auger mount : en
  • US2304709A - Method of coating ferrous articles : en
  • FR877471A - Patient stretcher with support pads : en fr
  • US2304300A - Shaker conveyer : en
  • US2304268A - Gas and air operated valve : en
  • US2304337A - Fish machine : en
  • FR877573A - Pressure reducer for supplying explosion engines with compressed or liquefied gases : en fr
  • GB549809A - Improvements in dust-collecting filters for vacuum cleaners : en
  • DE728890C - Flat weft knitting machine with device for automatic hanging of the double edge : de en
  • DE729247C - Heat and power saving device for electric cookers : de en
  • DE729068C - Electric circuit breaker with arc extinguishing by gases and vapors : de en
  • DE729020C - Mains connection device for medium and high voltages for devices with resistance amplification : de en
  • DE729144C - Release device for an automatic coupling on rail vehicles with vertically rotating coupling elements : de en
  • DE729220C - Process for making casings, e.g. Photo bags, envelopes, bags, etc. Like., And workpieces produced by this process : de en
  • GB549788A - Improvements in tubular elements having a base, end cap or like fitting : en
  • FR877483A - Direct manufacturing process for a staple fiber roving : en fr
  • GB549871A - Manufacture of phenylcyclohexyl-fatty acids and esters thereof : en
  • US2304648A - Vehicle runway support : en
  • US2304208A - Luminaire for blackout lighting : en
  • US2304355A - Motor drive system : en
  • DE729133C - Closure of propellant fillings from mines, projectiles, grenades etc. similar : de en
  • US2304293A - Stapler : en
  • US2304619A - Repeating fuse device : en
  • USD134533S - Design fob a woven textile fabric : en
  • US2304412A - Electric high pressure discharge lamp : en
  • AU116201B2 - Improvements in or connected with reciprocating pumps : en
  • CA409119A - Textile decorating process : en fr
  • US2304209A - Car card : en
  • US2304435A - Treatment of dyed textile fabric : en
  • US2304245A - Fluid actuated window operator : en
  • US2304372A - Pump plunger : en
  • DE728832C - Process for producing colored images in projection : de en
  • USD134529S - Design fob a badge or similar article : en
  • US2304135A - Modulating system : en
  • US2304264A - Apparatus for pulverizing and classifying materials : en
  • DE728947C - Fine slot filter for gases and liquids : de en
  • US2304168A - Making hydrocarbon conversion catalyst : en
  • US2304231A - Calculating machine : en
  • US2304312A - Dispensing cabinet : en
  • US2304532A - Nursing bottle : en
  • US2304743A - Signboard hanger : en
  • USD134555S - Design fob a card blank fob gbeeting cards, calling cards, and the like : en
  • AU346041A - Improvements in or connected with reciprocating pumps : en
  • US2304287A - Manufacture of grease-resistant paper : en
  • CA409272A - Cathode ray device : en fr
  • US2304106A - Mechanical time fuse : en
  • US2304505A - Mining machine cutter bar : en
  • US2304636A - Automatic transmission : en
  • US2304095A - Method of and apparatus for inducing and sustaining sleep : en
  • DE729265C - Method and device for operational monitoring of the grinding process in Dutch and similar machines : de en
  • GB549790A - Improvements in or relating to soap containers or soap supporting devices : en
  • US2304273A - Combined document photographing and endorsing machine : en
  • US2304746A - Pulsator for milking machines : en
  • DE729225C - Exchange pen : de en
  • FR877441A - Contact line needle : en fr
  • CA409092A - Skin covered structure : en fr
  • DE729152C - Grate for coals in kitchen stoves : de en
  • DE729039C - Cushioning for bicycles, especially motorcycles : de en
  • CA409103A - Hydraulic clutch : en fr
  • US2304370A - Spindle mounting for spinning and twister frames : en
  • US2304585A - Polo mallet head making : en
  • USRE22233E - Voltage regulator : en
  • US2304076A - Wheeled scraper : en
  • US2304767A - Treatment of organic materials : en
  • US2304551A - Reclaimed rubber : en
  • USD134553S - Design for a dress : en
  • US2304615A - Tubular knockdown containers : en
  • DE729214C - Securing a lathe spindle that can be reversed to increased counterclockwise rotation speed by a pole-changing motor against excessive counterclockwise rotation speeds : de en
  • DE729023C - Multi-phase relay based on the Ferraris principle : de en
  • CA409149A - Wood finishing machine : en fr
  • CA409201A - Electron multiplier : en fr
  • US2304725A - Automatic stenciling machine : en
  • US2304141A - Molding machine : en
  • US2304500A - Chimney : en
  • US2304100A - Preparation of tertiary carbinols of the cyclopentanophenanthrene series : en
  • CA409109A - Shoe polishing machine : en fr
  • CA409182A - Rail sanding control device : en fr
  • US2304217A - Method and apparatus for making lenses : en
  • DE729132C - Grinding machine : de en
  • CA409223A - Knitted garment : en fr
  • US2304359A - Refrigerating apparatus : en
  • US2304764A - Encased electrical unit : en
  • DE728967C - Dimming device : de en
  • DE729011C - Method for holding the not yet separated sheets on sheet feeders : de en
  • US2304558A - Cinematographic apparatus : en
  • US2304630A - Plastic binding machine : en
  • DE729158C - Process for preheating hardenable synthetic resin mixtures : de en
  • FR877430A - Rolling device for sliding doors : en fr
  • US2304233A - Method of insulating panels : en
  • US2304060A - Projectile : en
  • US2304156A - Organic compound and process of preparing the same : en
  • US2304637A - Resinous anion exchange material : en
  • DE729047C - Electric rod heater : de en
  • DE729239C - Luminaire suspension for electrical outdoor lighting systems : de en
  • FR877414A - Converter, switch or electrical machine with mechanical contacts actuated in synchronism : en fr
  • DE729111C - Device for converting a frequency-modulated oscillation into an amplitude-modulated oscillation : de en
  • GB549813A - An improved construction of rotary pump : en
  • GB549891A - Improvements in or relating to train describing signalling systems : en
  • US2304536A - Safety match box : en
  • USD134559S - Design for a dress : en
  • FR877568A - Improvements to methods of connecting electrical conductors of dissimilar metals : en fr
  • FR877472A - Shoemaking Shapes Series : en fr
  • DE728976C - Device for cleaning chimneys : de en
  • DE729048C - Carbon wick electrode for melting objects made of quartz or quartz-like, highly siliceous glass by means of the electric arc : de en
  • US2304143A - Kerf-cutting machine : en
  • US2304200A - Safety control mechanism for fuel burners : en
  • US2304618A - Filter : en
  • US2304766A - Universal coupling : en
  • US2304179A - Speech transmission system : en
  • US2304515A - Theft preventing device : en
  • DE729269C - Firearms storage for aircraft : de en
  • FR877634A - Support easel for conveyor aprons with steel elements : en fr
  • US2304181A - Electric weft detector for looms : en
  • US2304225A - Method of electrically heating wires and the like and apparatus therefor : en
  • DE728989C - Teaching for marking large standard characters, numbers, etc. : de en
  • DE729063C - Electric track closer with position compensation : de en
  • US2304684A - End construction for paper containers : en
  • US2304348A - Bow-tie clasp : en
  • US2304516A - Counter : en
  • FR877406A - Hydraulic device for raising and lowering tillage implements pulled by a tractor : en fr
  • US2304607A - Method of making electric motors : en
  • US2304676A - Method of producing comparatively rigid containers by the repeated immersion of a core in film-producing substances : en
  • US2304163A - Modulation system : en
  • US2304213A - Take-up for intermittently fed strips or sheets : en
  • DE729064C - Rail contact device : de en
  • US2304687A - Process for the production of polymeric compounds : en
  • US2304570A - Cabinet heater : en
  • DE728998C - Device for weaving double velvet and double plush from smooth threads using a spring-loaded rod tensioning the pile threads : de en
  • US2304075A - Bulldozer : en
  • US2304621A - Power brake : en
  • CA409105A - Game canal device : en fr
  • US2304084A - Inertia actuated device : en
  • DE729147C - Magnetic field tube for a receiver : de en
  • US2304069A - Metal coating process : en
  • US2304384A - Adjustable foot support : en
  • US2304454A - Water conditioning systme : en
  • US2304196A - Glass melting tank structure : en
  • US2304594A - Illuminating apparatus : en
  • GB549850A - Improvements in or relating to tire shaping apparatus : en
  • DE729141C - Container for storing loose card sheets : de en
  • DE729254C - Feed device for wood shredding machines for the production of end grain chips : de en
  • US2304305A - Wheel chock : en
  • US2304596A - Measuring device : en
  • US2304733A - Gas scrubber : en
  • GB549882A - Measuring instruments : en
  • FR877530A - Thermal insulation process : en fr
  • US2304185A - Broach : en
  • US2304560A - Brake control mechanism : en
  • USD134518S - Design for a wagon : en
  • USRE22231E - Photographic exposure meter : en
  • DE729046C - Device for voltage regulation in alternating current circuits by means of inductors with controllable direct current bias : de en
  • DE729110C - Arrangement for modulating high-frequency oscillations, especially ultra-short waves : de en
  • FR877496A - Gas mixer : en fr
  • GB549775A - Improvements in or relating to facsimile telegraph equipment : en
  • CA409113A - Tractor trailer vehicle : en fr
  • GB549887A - Improvements in, and relating to the manufacture of, copying paper : en
  • US2304189A - Hydrocarbon conversion : en
  • US2304362A - Interlocking means for boxes : en
  • US2304453A - Water softener : en
  • US2304561A - Liquid contact circuit closer : en
  • DE729226C - Ammunition container for aircraft : de en
  • DE729061C - Circuit arrangement for manually and electromagnetically controlled switch levers for track plan signal boxes : de en
  • US2304466A - Stabilization of vinyl aromatic resins : en
  • US2304727A - Glass blowing machine : en
  • US2304182A - Method of forming metallic films : en
  • US2304498A - Typewriting machine : en
  • US2304107A - Nut anchor : en
  • US2304625A - Gradometer : en
  • US2304593A - Birdproofing : en
  • US2304704A - Screw : en
  • DE729055C - Method for baking loose bread made from soft dough : de en
  • US2304521A - Method of closing : en
  • US2304198A - Bearing and seal construction : en
  • CA409167A - Timer connection block : en fr
  • DE729075C - Barracks, in particular made of light metal : de en
  • US2304343A - Clamping device : en
  • USD134526S - Design for a spoon or similar article : en
  • CA409096A - Finned cylinder barrel producing apparatus : en fr
  • DE729059C - Process for the recovery of thorium from spent carbon oxide hydrogenation catalysts : de en
  • FR877602A - Process for the preparation of filter cloths, particularly intended for electrochemical industries : en fr
  • GB549835A - Safety circuit for cathode ray tubes : en
  • FI19433A - Värmeväxlare av spiralplåtstypen eller liknande jämte sätt för tillverkning av dylika : en fi
  • GB549837A - A device for sharpening safety razor blades : en
  • DE729191C - Stamp plate for pressure vessel : de en
  • CA409220A - Electric signalling system : en fr
  • US2304413A - Refrigerating apparatus : en
  • GB549857A - Improvements in and relating to rotary valves for internal combustion engines : en
  • DE729169C - Motor vehicle with a middle frame tube : de en
  • DE729198C - Electric switch with a rotatable switching piece that is locked in the switching positions by two straight-line sliding locking bolts : de en
  • FI19446A - Suglåda för vira-pappersmaskiner eller liknande Maskiner : en fi
  • US2304325A - Cloth cleaner for sifters and the like : en
  • CA409162A - Motor control system : en fr
  • US2304114A - Faucet attachment or coupling : en
  • US2304467A - Machine for forming angularly bent drinking tubes : en
  • US2304692A - Side guard for conveyers : en
  • DE729274C - Conveyor device : de en
  • CA409081A - Electric fence charging device : en fr
  • DE729175C - Tobacco feeding device for cigar machines : de en
  • AU387541A - Improved photographic emulsions : en
  • DE728919C - Process for the production of cookable solutions from cellulose-containing raw materials : de en
  • DE729270C - Rear-engined vehicle with folding top, in which the cooling air inlet for the engine is formed by flaps that open to the side and face the direction of travel : de en
  • FR877507A - Leakproof casing device to facilitate sterilization of wounds, dermatoses and gynecological conditions, also applicable to wet dressings : en fr
  • DE728954C - Filter breathing apparatus : de en
  • US2304518A - Silicon electrical steel : en
  • US2304576A - Eyeglass structure : en
  • US2304610A - Process of washing resins : en
  • CA409123A - Multi-phase transmission line protection process : en fr
  • CA409116A - Sheet material clamping device : en fr
  • CA409233A - Engine starter : en fr
  • DE729050C - Process for the direct production of a rayon sliver : de en
  • CA409087A - Pipe thread cutting apparatus : en fr
  • CA409170A - Demand register : en fr
  • FR877411A - Improvements made to elastic steel tape measures : en fr
  • GB549886A - Improvements in or relating to apparatus for the production of photographic reflex copies : en
  • DE728978C - Process for the preparation of durable suspensions of the anterior pituitary lobe hormones : de en
  • DE728961C - Process for the production of lumpy coke from fluidized coal : de en
  • FR877620A - Device for the rapid collection of insects and particularly Colorado beetles : en fr
  • DE729187C - Process for the preparation of methylenecarboxylic acid alkyl esters : de en
  • DE729124C - Control device for internal combustion engine systems with charging and indirect power transmission : de en
  • US2304662A - Ice shaper : en
  • US2304745A - Handle and latch construction : en
  • DE728931C - Process for the production of water-soluble dyes of the phthalocyanine series : de en
  • CA409102A - Ball bearing : en fr
  • FR877470A - Method for distinguishing media from magnetograms : en fr
  • FR877486A - Combination lock : en fr
  • US2304616A - Hydrotherapy apparatus : en
  • US2304164A - Keying filter : en
  • DE729241C - Relay device : de en
  • DE729042C - Device for the production of a verzeugsfaehigen sliver from synthetic thread bands : de en
  • CA409254A - Record projector : en fr
  • GB549812A - Improvements in or relating to the manufacture of shoes : en
  • US2304389A - Bearing mounting : en
  • US2304172A - Method of and apparatus for withdrawing lowermost sheets from stacks : en
  • GB549787A - Improvements in and relating to refrigerating apparatus : en
  • US2304229A - Fountain pen construction : en
  • US2304103A - Control device : en
  • US2304159A - Combination opener : en
  • US2304194A - Harness cord for looms : en
  • DE729102C - Device for regulating the pressing pressure generated by spring force in a ring roller press : de en
  • FR877481A - Soap substitute and its preparation process : en fr
  • FR877585A - Manufacturing process of cork agglomerates : en fr
  • GB549827A - Improvements in or relating to control devices for superchargers : en
  • DE728893C - Process for the production of durable colloidal solutions of poorly soluble oxalates from rare earths : de en
  • FR877535A - fixed or removable scrubbers constantly supplying the engine regardless of the fuels burned in the gasifier : en fr
  • DE729192C - Circuit for frequency tripling by means of a distorting, non-linear four-pole connection : de en
  • AU116212B2 - Methods and devices for creating novel sound effects : en
  • CA409261A - Cutting die : en fr
  • US2304132A - Management instrument : en
  • US2304315A - Hair curling device : en
  • US2304555A - Trap : en
  • US2304321A - Electrode holder : en
  • US2304383A - Reversible moldboard plow : en
  • US2304493A - Jig for plate welding : en
  • US2304699A - Pneumatic shoulder pad for garments : en
  • CA409187A - Traction increaser apparatus : en fr
  • CA409271A - Injection moulding machine : en fr
  • FR877646A - Tapping adjustment for steam or gas turbines : en fr
  • US2304236A - Footwear : en
  • US2304513A - Apparatus for detecting imperfections in insulating materials : en
  • USD134536S - Design fob a poster : en
  • US2304514A - Motion repeating machine : en
  • US2304473A - Conveyer control : en
  • US2304734A - Container spinner for beverage mixers : en
  • FR877630A - Gasifier : en fr
  • FR877617A - Electrode metal for electric discharge vessels : en fr
  • DE728983C - Cutting machine for soft caramel candies : de en
  • DE729170C - Safety device for fluid brakes, especially for motor vehicles : de en
  • FR877409A - Friction path insert for the handwheel of screw presses and friction wheel presses : en fr
  • US2304546A - Safety brake control mechanism : en
  • US2304601A - Pocketknife : en
  • US2304137A - Protective glove : en
  • US2304360A - Electric lifting device : en
  • US2304543A - Fiber separating apparatus : en
  • CA409240A - Timing signal circuit : en fr
  • US2304105A - Printing telegraph operation : en
  • US2304441A - Scraper and earth mover : en
  • FR877424A - Headlight with adjustable ring mount, intended to fit into an opening in the outer wall of a vehicle and in particular of an automobile : en fr
  • US2304151A - Air conditioning system : en
  • US2304203A - Conducting catalytic conversion reactions : en
  • US2304438A - Dishwashing machine : en
  • US2304403A - Match book : en
  • US2304587A - Two-way double stepladder : en
  • CA409120A - Clamp : en fr
  • US2304354A - Method of increasing the height of storage tanks : en
  • US2304739A - Electrical prospecting : en
  • US2304249A - Detachable truck unloader : en
  • USD134554S - Design fob a dress : en
  • FI19441A - Adjustment of the bayonet for the tank lock : en fi
  • US2304694A - Scavenging of two-stroke sleeve valve internal combustion engines : en
  • CA409207A - Vitamin containing emulsion : en fr
  • FR877526A - Acetylene generator for all uses and in particular for motor vehicle engines : en fr
  • FR877614A - Mounting for external control of decimetre wave transmitters comprising two triode tubes : en fr
  • FR877633A - Automatic speed regulator brake for wagons or sedans : en fr
  • US2304166A - Method of producing machined carbon articles : en
  • USD134507S - Combined perfume bottle and holder therefor : en
  • US2304552A - Electric regulator : en
  • US2304643A - Automobile ventilating device : en
  • DE728977C - Sealing device for regenerative preheater : de en
  • DE729019C - Method for modulating ultra-short waves : de en
  • DE729139C - Gas pressure regulator : de en
  • GB549858A - Improvements in and relating to shaft couplings : en
  • DE729261C - Indirectly controlled safety valve : de en
  • IE16399L - Wheel hub reduction gear : en
  • DE729272C - Detachable lock for wooden boxes : de en
  • US2304155A - Joint washer : en
  • US2304316A - Refrigerating system : en
  • CA409193A - Cutting tool with a tungsten carbide tip : en fr
  • US2304243A - Air conditioning system : en
  • US2304382A - Apparatus for making granular superphosphate : en
  • DE729150C - Arrangement of a sling spring in the handle of an electric clockwise and counterclockwise rotary switch with snap-action mechanism : de en
  • US2304361A - Method of making paper : en
  • US2304381A - Sintering machine and pallet : en
  • US2304462A - Display stand : en
  • US2304530A - Brake shoe burnisher : en
  • DE729291C - Superheater arranged between two tube groups of a superheater : de en
  • US2304447A - Box conveyer switch : en
  • US2304449A - Accounting machine : en
  • CA409110A - Ramie fibre processing : en fr
  • CA409196A - Metal fabric and article : en fr
  • US2304071A - Sandblast booth : en
  • US2304567A - Shaving implement : en
  • USD134516S - Design for a stirrup pump : en
  • AU116215B2 - Improvement in carrier-signal detector : en
  • DE729257C - Money-changing goods dispensing device or the like with several coin insertion slots intended for different coin types : de en
  • DE729126C - Hose connection : de en
  • AU116209B2 - Improvements in amplifiers : en
  • DE729021C - Electric motor drive, especially for stage signal boxes : de en
  • US2304336A - Hydraulic coupling : en
  • FR877427A - Flash light : en fr
  • US2304477A - Electric valve actuator : en
  • CA409226A - Furfuryl alcohol resin : en fr
  • DE729162C - Slide rule : de en
  • FR877613A - ultra-short wave transmitter in reaction arrangement : en fr
  • CA409236A - Telephone system : en fr
  • CA409189A - Aromatic 1,3-diketone preparation : en fr
  • US2304440A - Method of treating the rock, aplite, and of making ceramic ware : en
  • CA409266A - Shoe sole edge setting machine : en fr
  • AU116200B2 - Improvements in valves used for engineering purposes : en
  • CA409213A - Multiple reporting form : en fr
  • US2304537A - Preparation of alpha-chlormethyl naphthalene : en
  • US2304645A - Means for indicating defects in threads : en
  • US2304276A - Automobile control device : en
  • US2304409A - Dry steam generator : en
  • US2304486A - Crowd for boom structures : en
  • USD134508S - Design for a bracelet os like article : en
  • US2304730A - Adhesive : en
  • CA409130A - Surface covering material curing process : en fr
  • CA409099A - Stencil film : en fr
  • AU116197B2 - Packaging : en
  • US2304639A - Conversion of hydrocarbon oil : en
  • US2304656A - Spinning cot : en
  • DE729038C - Braking device for road vehicles pulled by draft animals : de en
  • DE729149C - Disconnector : de en
  • US2304192A - Refrigeration of hygroscopic material : en
  • CA409250A - Wax suppressor : en fr
  • CA409208A - Packing and display case : en fr
  • US2304658A - Shelf bracket : en
  • US2304533A - Cigarette dispenser : en
  • US2304550A - Reclaimed rubber : en
  • USD134503S - Shadow box or similar article : en
  • DE729081C - Process for the production of a liquid, practically anhydrous fuel produced only from sulphite waste liquor : de en
  • DE729195C - Ring goniometer : de en
  • USD134558S - Tashman handbag : en
  • CA409129A - Surface covering material curing process : en fr
  • CA409085A - Electric boiling plate : en fr
  • FR877443A - Process for preparing sheet iron to make it suitable for the manufacture of containers for the preservation of various products, such as food products, varnishes and the like : en fr
  • GB549896A - Rubber and like press pads for metal working presses : en
  • US2304510A - Box-making machine : en
  • CA409277A - Aliphatic acid : en fr
  • US2304298A - Chair bed : en
  • US2304443A - Apparatus for handling bulk materials : en
  • CA409262A - Brake mechanism : en fr
  • DE728991C - Process for the manufacture of silica stones : de en
  • CA409197A - Tire valve inside : en fr
  • CA409152A - Machine tool power feed mechanism : en fr
  • FI19429A - Anordning för hoppackning av ett transportabelt block av löst textilfibergods för detsammas våtbehandling : en fi
  • GB549803A - Process and apparatus for sealing packages : en
  • CA409264A - Shoe assembling machine : en fr
  • DE728936C - Parquet floor : de en
  • DE728995C - Flap gate for locks with a filling flap sealing against the sole : de en
  • DE729025C - Putty resistant to hydrocarbons : de en
  • CA409115A - Phonograph record changer : en fr
  • US2304583A - Wheel structure : en
  • CA409276A - Animal trap : en fr
  • DE729113C - Reception arrangement for altitude measurements on aircraft : de en
  • US2304102A - Protein composition : en
  • US2304122A - Well pumping apparatus : en
  • CA409237A - Tire valve : en fr
  • US2304589A - Cylinder liner : en
  • AU374441A - Improvements in and relating to signal lamps : en
  • CA409267A - Shoe lasting and welting machine : en fr
  • US2304680A - Gauge : en
  • DE728984C - Device for producing photographic difference images : de en
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  • FR877561A - Slow wick ignition device : en fr
  • GB549774A - Improvements in or relating to vehicle bodies : en
  • FR877639A - Wall anchor : en fr
  • FR877618A - Flat dryer for pieces of fabric or other shrinking material : en fr
  • CA409138A - Manifolding machine : en fr
  • CA409278A - Acetic acid recovery : en fr
  • FR877520A - Canvas gas filter : en fr
  • US2304081A - Color television : en
  • US2304087A - Method for coating pipes and the like : en
  • CA409132A - Molybdenite flotation process : en fr
  • CA409139A - Manifolding machine refolding device : en fr
  • US2304659A - Stereotype mat : en
  • CA409194A - Hydrostatic brake : en fr
  • CA409232A - Liquid de-aerating apparatus : en fr
  • US2304302A - Portable gas stove and electric heater : en
  • US2304324A - Gravity meter : en
  • DE729041C - Device for emptying a pulp mixing chamber : de en
  • DE729091C - Auxiliary control device : de en
  • FR877475A - Oscillating coil driver intended especially for high-sounding loudspeakers : en fr
  • FR877537A - Manufacturing process of oxide gels : en fr
  • DE729034C - Method and device for the preparation of grain, maize or legumes for the purpose of mixing : de en
  • DE729084C - Speed change transmission : de en
  • DE728973C - Regulating transformer or regulating reactor for multi-point arc welding : de en
  • FR877597A - Improvements to controlled discs of friction clutches : en fr
  • GB549822A - Improvements in or relating to knitted structures : en
  • CA409251A - Golf ball : en fr
  • CA409192A - Insecticide : en fr
  • US2304660A - Apparatus for molding building blocks : en
  • US2304140A - Gas griddle : en
  • US2304144A - Catch structure : en
  • CA409286A - Electric cable : en fr
  • US2304207A - Electronically controlled time delay system : en
  • US2304612A - Lock : en
  • DE729089C - Testing device for oxygen breathing apparatus : de en
  • US2304297A - Art of utilizing molybdenum : en
  • US2304538A - Method and apparatus for operating steam generators : en
  • US2304564A - Yarn package and method and apparatus for producing same : en
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  • FR877469A - Magnetic sound recording system for dictation recording devices : en fr
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  • US2304115A - Freight vehicle : en
  • US2304333A - Building construction : en
  • US2304575A - Footwear-pressing apparatus : en
  • DE729040C - Device for monitoring the degree of filling of box feeders or the like. : de en
  • DE729278C - Device for measuring and displaying the thickness or diameter of workpieces while they are being processed : de en
  • FR877531A - Agglomerated fuels in which metallic waste is incorporated : en fr
  • FR877420A - Feeding device for the metering of powdery, crystalline or granular solid products, in particular explosives : en fr
  • FR877438A - Locking : en fr
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  • CA409104A - Tractor rake lift : en fr
  • US2304131A - Pump jack circuit : en
  • CA409112A - Hair grip : en fr
  • CA409248A - Statistical card comparing machine : en fr
  • US2304669A - Isolation of cannabidiol : en
  • DE729108C - Block ice maker : de en
  • CA409270A - Air filter : en fr
  • DE728829C - Circuit arrangement for telephone extension systems with manual operation : de en
  • DE729260C - Cable harness for liquids and / or gases protected against bomb, grenade and other explosive effects : de en
  • US2304577A - Manufacture of strip rubber : en
  • DK60402C - Connecting device between a wall and a pipe passed through it. : da en
  • FR877556A - Assembly process between a wire mesh and a tube or bar and new products obtained by applying this process : en fr
  • GB549877A - Improvements in or relating to apparatus for feeding rod shaped articles : en
  • FR877461A - Magneto ignition : en fr
  • DE728948C - Process for the production of organic cyano compounds : de en
  • DE728950C - Device for the production of centrifugal castings : de en
  • US2304211A - Liquid level responsive means : en
  • FR877623A - Bleaching agents and baths : en fr
  • GB549817A - Improvements relating to boilers, hot-water containers, and the like : en
  • DE728945C - Device for displaying the presence of trailers in motor vehicles : de en
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  • FR877428A - Seed separator seeder : en fr
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  • DE728985C - Electromagnetrically moved mirror arrangement on photographic cameras : de en
  • DE729130C - Device for displaying the direction of travel on bicycles and motorcycles : de en
  • DE728939C - Injection nozzle : de en
  • USD134539S - Design for a candle : en
  • DE729029C - Process for the production of condensation products : de en
  • DE729078C - Procedure for testing viscose for spinning readiness : de en
  • US2304101A - Acyl chlorides and ketones derived therefrom in the cyclopentanophenanthrene series and method of preparing same : en
  • US2304148A - Stock dividing gauge : en
  • US2304339A - Microphone : en
  • DE729284C - Method for connecting the individual layers of composite pipes bent from metal strips : de en
  • US2304769A - Communication system : en
  • US2304346A - Rim and valve stem arrangement : en
  • US2304455A - Dispensing machine : en
  • US2304666A - Method of making universal joint yokes : en
  • GB549797A - Improvements relating to control means for taps, cocks, and the like : en
  • DE728990C - Mixer : de en
  • US2304464A - Collar stay : en
  • US2304282A - Timber rake : en
  • US2304116A - Mechanism for transferring freight : en
  • US2304092A - Removing iron from magnesium : en
  • USD134549S - Max sokoloff : en
  • CA409111A - Lubricating apparatus coupling : en fr
  • JPS1714325Y1 - : ja
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  • US2304668A - Variable reactance transformer : en
  • US2304502A - Dyeing with vat dyestuffs : en
  • US2304729A - Phenolic amido resin : en
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  • FR877447A - Improvements to gasifiers : en fr
  • FR877482A - Safety lock for cycles : en fr
  • DE728993C - Chamber furnace for firing ceramic products : de en
  • FR877555A - Large capacity accumulators : en fr
  • GB549792A - Improvements relating to boring tool holders for boring machines : en