• US2272109A - Basket making apparatus : en
  • US2272110A - Hydraulic valve : en
  • CA402635A - Heat exchanger : en fr
  • AU114696B2 - Fluid pressure producing device fora braking system : en
  • US2271972A - Switching system and switch for controlling electric circuits : en
  • AU17641A - Improvements relating to devices for the transmission and reception of grouped electro-magnetic waves : en
  • US2271873A - Dibutyl ethers of polyglycols : en
  • GB542931A - Improvements in systems for the remote supervision of circuit breakers or the like in electric supply networks : en
  • US2271628A - Brake gear safety device : en
  • US2272037A - Engine accessory system : en
  • US2272150A - Weighing scale : en
  • US2271880A - Steam generator : en
  • DE717138C - Film switchgear : de en
  • US2271750A - Proof press : en
  • US2271844A - Screw and washer feeding device : en
  • US2272157A - Record disk : en
  • AU18141A - Improvements in or relating to appratus for producing continuous rubber articles : en
  • DE716951C - Toy in the form of an animal moving forward on feet that reach out to the side : de en
  • CA402621A - Railway car brake : en fr
  • CA402713A - Multi-coloured film production on surfaces : en fr
  • DE1513563U - : de
  • US2272026A - Separating impurities from water : en
  • DE717149C - Stacking and depositing device with a mobile frame for ejected or falling sheets, plates and the like from a machine. like : de en
  • US2271580A - Attachable sleeve for children : en
  • US2271898A - Corn sheller : en
  • FR869501A - Improvements to so-called getter substances : en fr
  • FR869489A - Alkaline accumulator with metal container : en fr
  • DE717034C - Projection screen : de en
  • CA13231S - Framed baffle loudspeaker : en
  • CA402683A - Garment hanger : en fr
  • US2271573A - Lightning protector : en
  • US2271954A - Rotary duplicator : en
  • US2272097A - Lens assembly for straight line scanning : en
  • US2272154A - Phenol formaldehyde condensation products : en
  • US2271656A - Press : en
  • US2271911A - Fluid flow controller : en
  • US2271837A - Combined waste and overflow mechanism : en
  • AU114564B2 - Improvements inthe purification and clarification of liquids : en
  • US2271600A - Filling cutter : en
  • DE717023C - Process for dyeing cellulose fibers or mixtures of cellulose fibers with animal fibers : de en
  • US2272149A - Method of making an article of manufacture : en
  • CA402644A - Wrought article manufacture : en fr
  • US2271712A - Manufacture of sodium phosphate : en
  • GB542913A - A process for the catalytic halo-substitution of saturated organic compounds : en
  • CA402637A - Square can seaming head : en fr
  • US2271779A - Spray nozzle : en
  • US2272061A - Hollow glass building block : en
  • DE716959C - Process for the cracking or pressure hydrogenation of carbonaceous fuels : de en
  • DE716952C - Rectifying, distilling and washing column : de en
  • FR869437A - Azimuthal axis system theodolith : en fr
  • DE717205C - Motor compressor unit, especially for compression refrigeration machines : de en
  • FR869449A - : fr
  • US2272045A - Sheet controlling apparatus : en
  • DE716916C - Electric melting furnace for the production of glass : de en
  • DE716950C - Spinning plate : de en
  • DE717140C - Cardboard box for packaging a rolled, developed film strip and an axially perforated core for the film strip : de en
  • DE683279C - Machine for the extraction of spinnable fibers from fibrous tree bark : de en
  • GB543036A - An improved show card or sale card : en
  • DE717069C - Free-standing extinguishing chamber switch : de en
  • DE717141C - Arrangement of snow runners on aircraft : de en
  • FR869507A - Distillation or washing column with at least two trays : en fr
  • GB542923A - Improvements in or relating to sound recording systems : en
  • US2271777A - Sealing structure : en
  • US2271905A - Method of and device for cutting stone and other materials : en
  • FR869502A - Improvements to insulators for antenna cables : en fr
  • US2271947A - Metal fabricating lubricant : en
  • CA402660A - Ore flotation apparatus : en fr
  • USD131323S - Design fok a textile fabric : en
  • US2272090A - Sphere-smoothing apparatus : en
  • DE717014C - A seat frame consisting of a resilient tubular steel strand : de en
  • GB542978A - Improvements in letter folders for correspondence and like purposes : en
  • US2272098A - Typewriting machine : en
  • AU17541A - Method and means for forming castings : en
  • US2272156A - Spool or reel : en
  • US2272153A - Ctguc acetal : en
  • FR869464A - Ignition and normal operation device for electric discharge tubes : en fr
  • FR869571A - Marker device for the game of bridge : en fr
  • DE717154C - Process for the production of acetaldehyde : de en
  • DE716760C - Process for the extraction of aluminum oxide with a high degree of purity in crystals of common abrasive grain sizes : de en
  • GB542925A - Improvements relating to catalytic reforming of hydrocarbon oil : en
  • GB543022A - Improvements in or relating to electron discharge devices : en
  • US2272009A - Apparatus for compacting folded goods : en
  • USD131287S - Design for a lamp : en
  • USD131298S - Label for a toy motor mounting or similar article : en
  • US2271866A - Recovery of hydrogen halide : en
  • US2271888A - Method for decorating lasts : en
  • GB542944A - Improvements in or relating to actuating mechanism for aircraft controls : en
  • DE716947C - Submersible pump set : de en
  • DE696191C - Device for controlling the ignition point of converter, vapor or gas discharge paths with arc-shaped discharge : de en
  • US2271522A - Receiver for omnidirectional beacons : en
  • US2271638A - Germicide : en
  • US2271855A - Apparatus for steam curing : en
  • US2272069A - Punch apparatus for rubber articles : en
  • US2271936A - Pipe joint : en
  • GB542917A - Improvements relating to trimming mechanisms for grinding wheels : en
  • CA402669A - Superheterodyne radio receiver band spread : en fr
  • US2271618A - Conversion of hydrocarbon oil : en
  • US2271711A - Dolls, animals, and like figures and the manufacture of the same : en
  • US2271850A - Valve : en
  • FR869530A - Device for the transmission, to cooling air, of heat, in particular from the walls of air-cooled cylinders, of internal combustion engines : en fr
  • US2271683A - Process of manufacturing lubricating oils : en
  • US2271798A - Underfloor wiring system : en
  • US2272130A - Track forming shovel : en
  • DE717108C - Process for producing the insulation for the windings of electrical coils : de en
  • FR869591A - Device for protecting hearing devices, such as loudspeakers or microphones, against humidity, dust, vapors etc. : en fr
  • DE716313C - Device for switching off electrical devices housed in a lockable room : de en
  • DE716971C - Adjustment device for electrothermal triggers arranged on motor protection switches or automatic installation switches : de en
  • US2271524A - Treatment of waste pickling liqyuirs : en
  • US2271596A - Method and machine for strapping boxes : en
  • DE717036C - Symmetrically designed internal combustion engine : de en
  • US2271705A - Production of di-chlorinated aliphatic ketones : en
  • US2271865A - Method of assembling rubber filaments into thread : en
  • US2271965A - Control system for electric valves : en
  • USD131332S - Design for a dress : en
  • GB543009A - Improvements relating to bomb carriers for aircraft : en
  • FR869469A - Device for producing a high DC voltage from a low DC voltage : en fr
  • DE717092C - Spreading and pulling-in drum for reeling cold-rolled strips under tension : de en
  • USD131279S - Design for an industrial truck : en
  • US2271767A - Apparatus for forming confections : en
  • US2271535A - Well flowing device : en
  • CA402638A - Staple fibre production : en fr
  • CA402677A - Hydrocarbon oil refining process : en fr
  • CA402590A - Vessel escape device : en fr
  • CA402597A - Wheel cover member : en fr
  • FR869488A - Apparatus for drying grass and the like : en fr
  • US2271516A - Fluid pressure relief valve : en
  • US2271708A - Process of producing high-molecular oxygen-containing compounds : en
  • AU114578B2 - Improvement in electric controls for machine tools : en
  • US2271595A - Decorative footwear : en
  • CA402679A - Parasiticide : en fr
  • CA402667A - Radio distortion indicator : en fr
  • FR869479A - Distributor for auxiliary force in an operating device for gear changes, particularly for motor vehicles : en fr
  • CA402636A - Electrolytic manganese processing : en fr
  • US2272050A - Control apparatus for signaling apparatus : en
  • USD131311S - Design for a manicure bowl or similar article : en
  • GB542912A - Compositions for use in horticulture and agriculture : en
  • DE717059C - Hiking pillar : de en
  • US2272049A - Draft device : en
  • USD131310S - Design for a shoe : en
  • DE716991C - Compound internal combustion engine : de en
  • US2271639A - Fluid heat exchange apparatus : en
  • US2271943A - Central pillar container : en
  • US2272040A - Flashlight : en
  • CA402694A - Air conditioning device : en fr
  • GB543034A - An improved flush fitting closure device for hand-hole and other openings on aircraft and for analogous purposes : en
  • DE717090C - Process for the production of stands for workbenches : de en
  • US2272113A - Drainboard for clothes wringers : en
  • AU114629B2 - Corsets : en
  • DE717121C - Process for lining centrifugal casting molds : de en
  • US2271641A - Die for cutting taper threads : en
  • US2271892A - Sound attenuating device : en
  • US2272163A - Office- : en
  • DE716770C - Support frame for construction work, painting work, etc. like : de en
  • DE717179C - Inertia starter for internal combustion engines : de en
  • FR869585A - Edge-to-edge sewing process and machine for performing it : en fr
  • US2271706A - Process for coating metal surfaces : en
  • US2271713A - Agricultural apparatus : en
  • GB543023A - Improvements in or relating to facsimile telegraph systems : en
  • FR869480A - Winch for tightening the retaining ropes to be stretched on a load of hay, grain, flax or the like : en fr
  • US2271960A - Extrusion process : en
  • US2272034A - Vehicle body, especially door : en
  • US2271617A - Conversion of hydrocarbon : en
  • DE717031C - Baby cradle : de en
  • FR869579A - Device for partial concealment of light sources, in particular for signaling and traffic in the event of aerial danger : en fr
  • GB542964A - Process for causing cellulosic foils to adhere to glass and the manufacture of new adhesive foils for carrying out the process : en
  • AU114702B2 - Improvements in the manufacture of aircraft and other structures : en
  • GB542904A - Improvements in or relating to colour-formers for use in colour photography : en
  • US2271799A - Brake actuator : en
  • US2271646A - Control of contact catalytic reactions : en
  • DE716993C - Armature housing welded from two pressed halves, e.g. B. valve housing : de en
  • DE717048C - Hatching device attachable to the ruler holder of a drawing machine : de en
  • US2271937A - Method and apparatus for discharging baked loaves of bread, cake, or the like from pans : en
  • DE716949C - Process for the production of a draftable sliver from a strand of synthetic threads : de en
  • US2271647A - Paper bag : en
  • US2271833A - Thermostat controlled valve : en
  • DE717152C - Gas burner : de en
  • FR869440A - Electric lamp, especially for flashing light : en fr
  • FR869504A - : fr
  • FR869555A - Projectile-centrifugal launcher : en fr
  • US2271858A - Shaving device : en
  • DE716983C - Vulcanizing mold for the production of gas protective masks or the like. : de en
  • DE717128C - Device for stroboscopic observation : de en
  • GB542941A - Improvements in and relating to bricks : en
  • GB543002A - A steam or other fluid-pressure engine applicable also for use as a pump : en
  • GB542971A - Improvements in electron discharge devices : en
  • US2271615A - Hydraulic power unit : en
  • USD131299S - Design for an ascii balancer : en
  • DE717050C - Machine gun with sliding barrel : de en
  • AU19141A - High-frequency core material and cores and process of making said material : en
  • GB542952A - Improvements in or relating to means and methods of producing metal articles with socketed heads : en
  • GB542927A - Improvements in or relating to calculating and statistical machines : en
  • GB542992A - An improved manufacture of silica gel catalysts : en
  • DE716960C - Process for the production of oxalic acid by oxidation of lignin, cellulose waste liquor or similar waste products with nitric acid : de en
  • US2271924A - Wall panel : en
  • US2271588A - Switch : en
  • US2271687A - Combination flatiron and clothes dampener : en
  • US2271567A - Shaft coupling : en
  • US2271510A - Railway traffic controlling apparatus : en
  • US2271970A - Recovery of indium : en
  • US2271730A - bliss : en
  • US2271760A - Apparatus for preventing the accumulation of ice : en
  • GB542979A - Premagnetisation self-inductances and the circuits which employ them : en
  • CA402691A - Battery filling well : en fr
  • FR869484A - Process for increasing the stability of celluloses or products made from cellulose in the presence of alkalis : en fr
  • DE717110C - Driving device for geophysical investigation equipment : de en
  • DE717162C - Power generation plant with an internal combustion engine : de en
  • FR869597A - Solder alloy : en fr
  • FR869473A - Improvements to accumulation imaging tubes : en fr
  • US2271717A - Countersinking and blind drilling machine : en
  • US2272101A - Door lock : en
  • GB543031A - Improvements in and connected with illuminated gun sights and like sighting devices : en
  • DE716997C - Adjustable glue nut : de en
  • DE717126C - Long-range photographic lens : de en
  • DE717209C - Railroad shifting platform with a lane arranged on it : de en
  • US2271644A - Thermostatic valve : en
  • US2271734A - Catalogue binder : en
  • DE716929C - Flow switch : de en
  • FR869463A - Low pressure electric light tube : en fr
  • GB543021A - Improvements in bonded refractories : en
  • US2271817A - Micrometer mechanism : en
  • FR869431A - Rotary planer for all wood assemblies : en fr
  • US2271907A - Car coupling : en
  • US2272119A - Lens and the manufacture thereof : en
  • CA402604A - Hypodermic ampule syringe : en fr
  • DK59448C - Mixing tubes for electric oscillations. : da en
  • GB542953A - Improvements in and relating to sliding clasp fasteners : en
  • GR9761B - KEY CASE DEPENDING ON THE BELT. : el en
  • US2271704A - Multilever jack : en
  • FR869495A - Method and device for regulating the cooling capacity of absorption refrigerating appliances with pressure-balancing gas and two evaporators determining different cooling : en fr
  • CA402603A - Eyelash preparation applicator : en fr
  • FR869531A - : fr
  • FR869541A - Mechanical distributor for light effect distributors on stages : en fr
  • US2272068A - Single side band and carrier transmitter : en
  • GB542933A - Improved resinous condensation products and methods of producing same : en
  • FR869490A - Die casting machine : en fr
  • GB542949A - Improvements in or relating to overhead sewing machines : en
  • DE716926C - Mobile height conveyor : de en
  • DE717122C - Method and device for the production of molded bodies from plastic masses, in particular hardenable synthetic resins : de en
  • DE716982C - Mouthpiece for vacuum cleaner : de en
  • CA402639A - Coated abrasive preserving method : en fr
  • US2271902A - Knitting machine : en
  • US2272145A - Latch for electric switch cabinets : en
  • USD131324S - Design for a textile fabric : en
  • GB542943A - Improvements in the manufacture and production of artificial threads, filaments and the like : en
  • FR869518A - Process for the casting of molded metal parts : en fr
  • CA402591A - Rotary plug valve : en fr
  • US2271707A - Wetting agent : en
  • USD131330S - Design for a dress : en
  • CA402706A - Enclosed bearing seal : en fr
  • CA402612A - Snap lock : en fr
  • FR869573A - Improvements to products made from viscose or cellulose acetate sheets for uses requiring bending : en fr
  • US2271607A - Car construction : en
  • US2271632A - Bundling of slats and similar units : en
  • DE716909C - Process for the recovery of the dust produced by rotary cement tubes : de en
  • US2271738A - Battery charger : en
  • US2271961A - Liquid meter piston : en
  • DK59458C - Method and Machine for the manufacture of cellular inserts for packaging for eggs, fruit and similar articles. : da en
  • AU18941A - Improvements in or relating in brushes : en
  • AU114569B2 - High-frequency core material and cores and process of making said material : en
  • FR869415A - Application of coal tar products mixed with polymerized vinyl compounds as pipe protection agents : en fr
  • GB542996A - Improvements in or relating to processes for the production or purification of oil together with the production of a hard carbonaceous residue : en
  • FR869430A - Diffuser-mixer for explosive engine carburettors : en fr
  • GB542935A - Machine for attaching articles : en
  • US2271676A - Diaper : en
  • US2271668A - Polyvinyl acetal resin : en
  • US2271563A - Refrigeration : en
  • DE717084C - Glaze firing for copper and copper alloys : de en
  • US2271790A - Load ejector : en
  • USD131291S - Design fob a shoe : en
  • FR869540A - Electrical transformation device, with mechanically actuated contacts : en fr
  • CA402608A - Package sealing apparatus : en fr
  • DE717147C - Skip : de en
  • DE717104C - Arrangement for electrical cables : de en
  • US2271792A - Means for treating air : en
  • US2271813A - Thermostatic break and make control : en
  • US2272146A - Pen beam for ruling machines : en
  • CA402632A - Rolling mill strip tensioning device : en fr
  • DE716964C - Arrangement of secondary contacts with on and off resistors for main contacts of installation switches, especially rotary switches : de en
  • FR869475A - Machine for embossing book tabs using a hot iron : en fr
  • DE717064C - Vertical tube boiler with superheater : de en
  • FR869520A - Fuse holder plug for electrical circuit breaker : en fr
  • GB542950A - Carrier for guide blades or return blades of high duty rotary engines, especially of explosion-combustion turbines : en
  • US2271979A - Soap press : en
  • US2272062A - Coaxial line ultra high frequency amplifier : en
  • FR869462A - Improvements to filters to remove dust from air or other gases : en fr
  • GB542973A - Improved resinous condensation products and methods of producing same : en
  • DE717019C - Extraction and loading equipment for mining : de en
  • US2271968A - Reversible electric motor : en
  • US2271957A - Feed roller for cutters : en
  • USD131290S - Design for a shoe : en
  • DE716994C - Boiler shut-off valve : de en
  • DE717129C - Binocular additional device for stroboscopic devices with slit diaphragm : de en
  • GB542955A - Improvements in or relating to means for controlling the supply of respiratory gases to breathing apparatus : en
  • FR869417A - Improvements to aircraft piloting indicator devices on a guidance line : en fr
  • USD131326S - Design for a dress : en
  • CA402640A - Coated abrasive preserving method : en fr
  • CA402687A - Spectrum analysing apparatus : en fr
  • CA402688A - Cinematographic printing apparatus : en fr
  • US2271986A - Wire coating die : en
  • DE716816C - Vessel conveyor system : de en
  • US2271932A - Casing, method and apparatus for preparing same : en
  • US2271762A - Method of making bung openings : en
  • US2271778A - Controlled volume steam heating system : en
  • US2272051A - Necktie smoother : en
  • USD131275S - Embroidered needlework fabric or similar article : en
  • CA402696A - Oil-bearing horizon detecting method : en fr
  • US2271702A - Milk bottle rack : en
  • US2271896A - Carbonator : en
  • US2271963A - Roll grinding machine : en
  • GB543026A - Improvements in and relating to the mounting of automatic guns on motor vehicles : en
  • AU7941A - Fluid pressure producing device fora braking system : en
  • US2271843A - Hose spray head : en
  • US2272092A - Cup rack : en
  • FR869513A - Device for automatically interrupting longitudinal feed or horizontal feed in machine tool carriages : en fr
  • FR869411A - Device intended for directional or radio beacon transmitters : en fr
  • GB543020A - Improvements in or relating to automatic fire arms : en
  • DE716190C - Device for releasing locked axles on rail vehicles : de en
  • US2271823A - Lawn sprinkler : en
  • US2271869A - Machine for pressing fabrics : en
  • USD131277S - Design for a kitchen reminder : en
  • DE717022C - Device for drying socks : de en
  • AU15141A - Improvements in or relating to method and means for maintaining register in multiunit presses : en
  • CA402668A - Sound intensity indicator and control : en fr
  • CA402582A - Rail lubricating apparatus : en fr
  • DK59450C - Procedure for Manufacturing a Lacquer Fabric. : da en
  • FR869564A - Rolling luggage rack, for pedestrian use : en fr
  • US2271927A - Tourniquet : en
  • US2271929A - Building interior construction : en
  • FR869497A - Electrical signaling system : en fr
  • US2272147A - Automatic loom shuttle : en
  • GB543042A - Improvements relating to boiler-flue cover blocks : en
  • US2271566A - Absorption refrigerating apparatus : en
  • USD131295S - Design fob an airplane : en
  • CA402596A - Wheel disc : en fr
  • FR869538A - Improvements to bicycles and other pedal vehicles incorporating an additional arm propulsion mechanism : en fr
  • US2272044A - Insect repellent : en
  • US2271889A - Combination faucet and drinking fountain : en
  • USD131331S - Design for a dkess : en
  • FR869595A - Method for establishing projectile jackets with diaphragm : en fr
  • DE717061C - Finishing, especially the stiffening of hats : de en
  • DE717033C - Device for recording string traces : de en
  • DE717098C - Barrier drive with lifting coupling : de en
  • FR869521A - Universal boiler for absorption refrigeration devices : en fr
  • US2271942A - Process for the polymerization of gaseous olefins : en
  • US2272087A - Drilling machine : en
  • US2272105A - Manufacturing dropper : en
  • CA402588A - Valve : en fr
  • US2271686A - Combination flatiron and clothes dampener : en
  • US2271651A - Heat control apparatus : en
  • US2271854A - Cord stretching apparatus : en
  • US2271551A - Suction cleaner : en
  • US2271587A - Air register : en
  • US2271814A - Filtering apparatus : en
  • US2272053A - Electric shaving implement : en
  • USD131288S - Design for a tie clasp : en
  • US2272094A - Fuel injector : en
  • DE716938C - Intercom shortwave transmission and reception arrangement : de en
  • FR869533A - Process for manufacturing high degree of polymerization bodies : en fr
  • DE716821C - Needle bar control device for zigag sewing machines : de en
  • GB542998A - Improvements in and connected with hydraulic remote control systems : en
  • GB543015A - Improvements in fluid-sealing and dust excluding device for shaft bearings and the like : en
  • FR869450A - : fr
  • FR869474A - Safety device capable of preventing the danger of a drop in pressure in a lighting gas installation : en fr
  • GB542946A - Improvements in or relating to surgical splints : en
  • DE717112C - Electrically heated tubular heating element, the end of which is connected to a stranded connection conductor inside the tube : de en
  • USD131283S - Design fob a shoe ob semilab abticle : en
  • DK59456C - Strap moves. : da en
  • US2271971A - Turbine bucket wheel : en
  • FR869539A - Light metal cooling device for electron tubes : en fr
  • FR869593A - Process for the manufacture of artificial fibers or yarns from viscose : en fr
  • US2272080A - Device for the nightly light beaconing of high tension overhead cables : en
  • USD131309S - Design fob a shoe : en
  • USD131300S - Design for a pin : en
  • DE717089C - Pipe clamp-like support body for the running rail of sliding doors and windows : de en
  • DE717071C - Gas-filled electric machine with a cooler : de en
  • DE717196C - Flexible clutch disc for shaft couplings : de en
  • GB542920A - Improvements in or relating to a.c. electric circuit-breakers of the gas-blast type : en
  • GB542939A - Improvements in the treatment of rubber latex : en
  • DE717197C - Pipe rupture protection : de en
  • FR869446A - Improvements to the damping devices of a circuit of use in the load intervals, particularly applicable to electric antennas : en fr
  • DE716935C - Device for collecting and layering the finished springs coming from a machine for the production of springs, especially coil springs : de en
  • USRE22016E - Electric steam iron : en
  • USD131304S - Design fok a shoe : en
  • DE716933C - Berth facility for warships : de en
  • DE716979C - Device for installing and removing door frames on glow and smelting furnaces, in particular on Siemens-Martin furnaces : de en
  • FR869423A - Process for making shoes with soles of wood, cork, or other similar material : en fr
  • US2271894A - Self-lubricating brake valve : en
  • US2272100A - Disk gang assembly : en
  • US2272012A - Nitrogenous condensation products : en
  • DE716843C - Preparations for the destruction of house pests, in particular bedbugs and storage pests : de en
  • DE717010C - Storing image transmission tubes with cathode ray scanning for television purposes : de en
  • CA402685A - Double-acting brake slack adjuster : en fr
  • CA402693A - Cephalic bag : en fr
  • US2271550A - Optical and acoustic indicator for directional receivers : en
  • CA402650A - Record card controlled printing mechanism : en fr
  • US2271513A - Reciprocating mechanism : en
  • CA402609A - Fibrous container making machine : en fr
  • US2271821A - Tool supporting frame : en
  • US2271722A - Fertilizer distributor : en
  • US2271836A - Lamp globe : en
  • US2272032A - Shingle : en
  • DE716912C - Process for the production of thickeners for stuff printing : de en
  • FR869496A - Device for the production and use of very high electrical voltages : en fr
  • DE716924C - Trigger device for firearms : de en
  • DK59457C - Device for socket pipe connections. : da en
  • US2271765A - Bobbie pin opener : en
  • US2271909A - Ultra short wave noise eliminator : en
  • USD131334S - Design fob a dress : en
  • GB543029A - Improvements in or relating to the production of ether-esters of substituted aliphatic acids : en
  • DE717150C - Device to facilitate the driving of piles, sheet piles or the like. : de en
  • FR869600A - Manufacturing process of artificial resins based on dicyanodiamide : en fr
  • CA402658A - Receptacle closure : en fr
  • CA402700A - Cellulose derivative processing : en fr
  • CA402659A - Box covering machine : en fr
  • AU24541A - Improvements inlow-pressure-arc electric discharge devices having activated cathodes : en
  • DE717173C - Bellows gas meter : de en
  • FR869557A - New wood gasifier : en fr
  • US2271825A - Automobile guard strip : en
  • USD131282S - Design for a shoe or similar article : en
  • CA402671A - Refrigerator control system : en fr
  • CA402674A - Gasoline distillate processing : en fr
  • CA402662A - Tuning indicator circuit : en fr
  • US2271544A - Refrigeration : en
  • DE717076C - Process for the production of Kuepen dyes : de en
  • FR869428A - Rolling suitcase : en fr
  • FR869465A - Direct-operated beam warper with wire-driven measuring roller : en fr
  • US2271805A - Seat support : en
  • US2271820A - Lubricated bearing : en
  • DE716980C - Fur hair removal machine : de en
  • US2272042A - Food slicer : en
  • US2271842A - Cushion unit for upholstery and method of making the same : en
  • US2271992A - Remote control system : en
  • US2271766A - Engine : en
  • USD131296S - Design for a vending device : en
  • CA402646A - Soap apparatus : en fr
  • DE716708C - Device for automatic immersion, especially for hardening workpieces : de en
  • FR869550A - Fuel injector for internal combustion engine : en fr
  • DE716917C - Device for producing threads, yarns, etc. from glass : de en
  • DE717073C - Process for the production of acidic dyes of the anthraquinone series : de en
  • US2271982A - Homogenization of liquid matter : en
  • US2271627A - Induced draft blower : en
  • CA402601A - Insulation material : en fr
  • FR869427A - Rotor vane for exhaust gas turbines : en fr
  • DE716948C - Platform trolley with foldable side walls : de en
  • DE717013C - Process for the production of finished castings of simple shape from non-ferrous metals and their alloys, in particular copper alloys, by means of wet sand molds : de en
  • DE717199C - Method for manufacturing rims with a reinforced retaining flange without undercutting for the side ring : de en
  • CA402702A - Railway car coupler slack control device : en fr
  • DE717032C - Hydraulic linkage that acts as a coupling between the pulley plate, over which the hoist rope is guided, and the shells of a single rope grab : de en
  • FR869532A - Elagen regenerated cellulose finishing process? intended for carrying out the process : en fr
  • FR869572A - Method and device for improving the operation of vehicles powered by gasifiers : en fr
  • USD131307S - Valve repacing and reseating tool : en
  • FR869536A - Power card carrier device : en fr
  • DE717011C - Receiver with photocell as rectifier : de en
  • US2272136A - Electric heater : en
  • DE717113C - Electric heater or cooker : de en
  • GB543016A - An improved drawing pin or like fastener : en
  • US2271518A - Electric tilting device : en
  • DE717091C - Dewatering for the supply of the water used to block the rock dust : de en
  • DE716931C - Laminated wood panel for the production of tools subject to tensile, impact and flexural strength : de en
  • FR869439A - Character wheel for telegraph devices : en fr
  • US2271690A - Oil burner accessory : en
  • DE710046C - Control device for a weapon firing through the propeller field of an aircraft : de en
  • USD131286S - Design for a floor surfacing machine : en
  • DE717088C - Solid rubber tires : de en
  • FR869414A - Process for preparing 3-arylamino-tetrahydrofurans : en fr
  • US2271969A - Alloy : en
  • US2271532A - Combined work and tool holder : en
  • US2272124A - Seat structure : en
  • USD131271S - Design for a fan propeller : en
  • CA402657A - Grinding wheel : en fr
  • DE717002C - Climbing shoe : de en
  • DE717156C - Steam power plant : de en
  • DE716958C - Bucket wheel swing excavator for the alternate removal of embankments in high and low cut on opposite sides of the device : de en
  • FR869420A - Electronic discharge devices : en fr
  • US2271616A - Flagstaff holder : en
  • FR869403A - Replacement garters : en fr
  • GB542969A - Improvements in and relating to closures for containers for granular substances, particularly applicable to ammunition cartridges : en
  • DE716992C - Stuffing box seal : de en
  • DE717200C - Locking device of the engine for the cutting and pressing of cutting machines for paper, cardboard, etc. like : de en
  • DE702484C - Railway gun with a frame that can be lowered from the bogies : de en
  • DE716954C - Device for casting heavy metal : de en
  • GB542934A - Improved resinous condensation products and methods of producing same : en
  • DE717017C - Arranged on aircraft arresting device for detecting ropes or the like. : de en
  • DE717101C - Telegraph with type lever basket moving in the direction of the line : de en
  • GB542921A - Improvements in the deoxidation of iron and steel : en
  • GB542982A - Improvements connected with devices for connecting hose pipes to water taps : en
  • US2271671A - Fractional distillation : en
  • US2272159A - Purification of j-picoleve : en
  • DE717070C - Cooling device for the runners of long turbo generators : de en
  • CA402617A - Paving aggregate coating process : en fr
  • FR869534A - Process for refining mineral oils : en fr
  • DE716955C - Stereo comparator : de en
  • FR869503A - Improvements to lamp systems, especially for short waves : en fr
  • DE716940C - Device for spectral apparatus with a camera used to record the spectrum : de en
  • FR869444A - Device for adjusting the blades of propellers rotating in the opposite direction : en fr
  • US2271980A - Recording of alternating current impulses : en
  • US2272027A - Washing machine : en
  • FR869512A - Method for making sound recordings : en fr
  • FR869481A - Combine harvester or thresher : en fr
  • US2271560A - Fuel pump mounting : en
  • FR869522A - Top-to-bottom directed combustion gasifier : en fr
  • DE716922C - Device, in particular in aircraft, for actuating moving parts by hydraulic or pneumatic assistants : de en
  • DE716963C - Piezoelectric sound converter for a large frequency range : de en
  • DK59443C - Process for the preparation of 3-substituted 2-cyano-4-acetylglutaric acid. : da en
  • USD131319S - Design for a cape or similar article : en
  • FR869556A - Systems for starting and operating internal combustion engines with various fuels : en fr
  • GB543011A - Improvements in screw-threading appliances : en
  • AU113641A - Corsets : en
  • FR869567A - Luggage rack for bicycles and motorcycles with horizontal and vertical platforms : en fr
  • USD131281S - Combined cap and clip for a mechanical pencil or similar article : en
  • US2271976A - Phonograph apparatus : en
  • CA402616A - Tubular belt conveyer : en fr
  • US2271660A - Demountable freight container for liquids : en
  • US2271867A - Centering arrangement for locomotive trucks : en
  • CA402681A - Lubricating oil distillate refining method : en fr
  • DE717204C - Compression refrigeration machine : de en
  • DE716919C - Wide threshing machine : de en
  • US2271827A - Barrel stand : en
  • CA402651A - Electric cut-out device : en fr
  • CA402592A - Multiple service tap : en fr
  • US2271723A - Apparatus for arc welding : en
  • US2272083A - Air conditioning apparatus : en
  • CA402666A - Radio noise suppression circuit : en fr
  • AU114582B2 - Improvement in parachute and parachute pack : en
  • US2272135A - Self-laying track for vehicles : en
  • AU16941A - Improvement in parachute pack : en
  • US2271569A - Electrocuting trap : en
  • US2272139A - Writing instrument : en
  • US2272165A - High frequency electrical apparatus : en
  • DE716981C - Sick bed with a foot wall designed as a door : de en
  • GB542989A - Improvements in or relating to the conversion of hydrocarbon oils in the presence of powdered contact materials : en
  • GB542995A - Improvements relating to the isomerization of hydrocarbons : en
  • AU19041A - Improvements in fire extinguishing apparatus : en
  • DK59441C - Procedure for Making Yeast for Baking. : da en
  • CA402628A - Self-starting synchronous motor : en fr
  • US2271809A - Laboratory balance : en
  • US2271605A - Method of evaporating fish extract : en
  • US2271568A - Resilient torque device : en
  • US2271688A - Variable speed friction drive : en
  • US2271847A - Fascia board for brackets for venetian blinds : en
  • US2271558A - Refrigeration : en
  • USD131292S - Design for a service certificate : en
  • US2272132A - Valve : en
  • US2272141A - Weighing scales : en
  • CA402692A - Fabric manufacture : en fr
  • US2271554A - Suction cleaner : en
  • US2271614A - Projection screen : en
  • US2271819A - Distemper vaccine and method of preparing the same : en
  • DE717144C - Fountain pen for writing notes : de en
  • FR869419A - Thermionic lamp circuits : en fr
  • GB543028A - An improved coin-operated vending machine : en
  • FR869416A - Improvements to cathode ray tubes with electromagnetic beam concentration : en fr
  • DE716968C - Device for remote operation of switching devices : de en
  • DE717208C - Feeding or pulling device for conveyor wagons, especially for mining operations : de en
  • US2271584A - Wall construction : en
  • US2271860A - Treatment of hydrocarbons : en
  • CA402704A - Railway insulated car wall : en fr
  • FR869483A - Device for coupling, with a wireless telegraph receiving apparatus, an antenna with two or more frames : en fr
  • FR869587A - Improvements to typewriters, consisting of devices to ensure the exact alignment of document margins : en fr
  • DE716871C - Hose cleaning and flushing device, especially for fire hoses : de en
  • IE16313L - Tempering glass : en
  • US2271625A - Synchronizing system : en
  • US2271953A - Timing device : en
  • DE717157C - Process for cleaning protective gas, especially for bright annealing purposes : de en
  • DE717191C - Device for remote adjustment of an object in a predetermined direction : de en
  • US2271530A - Film holder : en
  • US2271720A - Syringe : en
  • DE716969C - Remote control system : de en
  • US2271949A - Tap bushing : en
  • DE717093C - Method for slip tight stitches in rayon fabrics : de en
  • DE717118C - Separator for dust particles from flue gases from boiler systems : de en
  • US2271761A - Process for treating hydrocarbons : en
  • US2271922A - Receptacle and handle therefor : en
  • US2272104A - Electric rectifier : en
  • CA402623A - Bast fibre treating method : en fr
  • DE716942C - Internal combustion engine with rack and pinion gear : de en
  • DE717065C - Arrangement for radio or wire radio receivers that are connected to a common distribution line : de en
  • DE716972C - Installation auto switch : de en
  • DK59445C - Electrical Distribution System encapsulated in Metal. : da en
  • FR869409A - Ice cream counter : en fr
  • DE717041C - Lighting device on projectors : de en
  • GR9760B - METHOD OF MOVEMENT OF WATER TURBINES OF ALL KINDS BY WATER NETWORK OF CITIES. : el en
  • GB542942A - Improvements in the manufacture and the production of artificial threads, filaments and the like : en
  • FR869544A - Distribution of internal combustion engines with charge compressor : en fr
  • DE717143C - Drive for the sidecar wheel of motorcycles with a forward set sidecar wheel : de en
  • DE711417C - Process for improving oxidic protective layers on magnesium or magnesium alloys : de en
  • DE716988C - Fuel container for pyrophoric lighters with one fixed and one movable bottom : de en
  • DE717207C - Machine for the automatic dispensing of ice cream : de en
  • US2271808A - Articulated vehicle : en
  • USD131340S - Design for a power transmission belt : en
  • CA402611A - Metal container corrosion inhibition : en fr
  • US2271675A - Olive pitter : en
  • US2272095A - Servomotor and control apparatus therefor : en
  • US2271940A - Stabilized hydrocarbon : en
  • US2271572A - Cinematographic printing apparatus : en
  • USD131274S - Embroidered needlework fabric or similar article : en
  • US2271613A - Plate-riding attachment : en
  • DE716755C - Pit stamp : de en
  • FR869561A - Improvements to rotary machines : en fr
  • GB543027A - Lubrication system for sewing machines : en
  • FR869434A - : fr
  • DE716191C - Electromagnetically operated switching device for electricity consumers in living rooms : de en
  • US2271733A - Combustion air supply system : en
  • US2272106A - Transmitting apparatus for train communication systems : en
  • US2271849A - Driven steering wheel unit : en
  • US2271749A - Garment : en
  • US2271659A - Rotary engine : en
  • DE716911C - A sleeve holder : de en
  • DE717132C - Closing device for goods packages to be used in self-sellers : de en
  • US2271786A - Safety relief valve : en
  • USD131321S - Design for a textile fabric : en
  • DE717185C - Steam, air or gas powered pipes : de en
  • DE717005C - Schuettelrutsche with tube-like links running over the entire length of the slide, which are supported against each other like a ball joint at the weft ends and are braced with clutch cables : de en
  • DE716978C - Process for the production of benzanthrone capsules : de en
  • DE717004C - Air tube for a liquid container of a drinking doll built into the doll's body and securing a certain fill level : de en
  • US2271531A - Aircraft flight control : en
  • US2271543A - Refrigeration : en
  • US2271593A - Watch : en
  • FR869553A - Speed Multiplier Spin : en fr
  • DE717003C - Sports ball : de en
  • US2271794A - Grinding machine : en
  • US2271561A - Heel holder for heel-attaching machines : en
  • DE717160C - High-voltage rotary disconnector : de en
  • FR869528A - Preparation of oily substances of all viscosities, based on castor oil and coal tar derivatives, usable in particular as lubricants : en fr
  • DE717178C - Auxiliary carburetor arrangement for internal combustion engines : de en
  • GR9764B - ELECTRIC COLUMN USING OXYGEN IN THE ATMOSPHERIC AIR. : el en
  • GB543038A - Improvements in or relating to ball float valves : en
  • US2271885A - Creped textile fabric : en
  • US2271527A - Dual sash weight : en
  • CA402585A - Rail anchor : en fr
  • CA402652A - Wringer : en fr
  • AU34641A - Improvements in the structure of electron discharge devices : en
  • DE717000C - Rifle grenade launcher with recoil brake : de en
  • US2271876A - Television shading control circuit : en
  • USD131272S - Embroidered needlework fabric or similar article : en
  • US2271525A - Loud-speaker : en
  • US2271620A - Process of preparing vegetable protein compositions : en
  • US2271719A - Ampoule syringe : en
  • US2272054A - Electrical razor : en
  • US2272059A - Photoflash lamp : en
  • US2271565A - Absorption refrigerating apparatus : en
  • USD131302S - Design for a shoe : en
  • US2271526A - Safety timing traffic light : en
  • DE716833C - Process for neutralizing superphosphates : de en
  • GB543043A - Improvements relating to the manufacture of abrasive bodies : en
  • US2272125A - Appliance for mixing materials : en
  • DE717054C - Wedge lock for hand and hammer handles : de en
  • DE717057C - Rock percussion drill with exchangeable drill bit : de en
  • US2271736A - Strip treating apparatus : en
  • DE717137C - Gate valve for superheated steam with sealing plates inserted into the shut-off body : de en
  • DE717100C - Support arm for electrical contact lines : de en
  • DE717094C - Process for the production of thiourea from melts of rhodanammonium : de en
  • US2271591A - Power rake : en
  • US2271633A - Piano action : en
  • DK59455C - Valve for Mixing Combustion Air and Gaseous Fuel for Combustion Engines, especially Automobile Engines. : da en
  • DE716957C - Indicator : de en
  • DK59460C - Releasable Bicycle Pump Holder. : da en
  • USD131328S - Design for a skirt : en
  • US2271695A - Conditioned well drilling fluid : en
  • AU114581B2 - Improvements in capsules for bottles andthe like : en
  • US2272073A - Container manufacture : en
  • US2271577A - Collapsible mast : en
  • US2271571A - Synchronizing clutch : en
  • US2271952A - Quick-acting, watertight ship door : en
  • US2272048A - Headstock : en
  • USD131337S - Combined tie-clip and nail file : en
  • US2271948A - Tap bush : en
  • DE717021C - Device for collecting the treatment liquid on stocking molding machines : de en
  • FR869491A - Galvanic battery : en fr
  • DE717161C - Circuit arrangement for the remote transmission of direct current pulses : de en
  • US2271729A - Fuse plug : en
  • DE716914C - Process for preheating the combustion air in dust collectors : de en
  • US2271748A - Hitch device : en
  • FR869425A - Advanced training in wheelbarrow type vehicles : en fr
  • GB542947A - Improvements in or relating to propulsion devices for amphibious vehicles : en
  • US2271934A - Mandrel : en
  • GB542905A - Improvements relating to photographic sensitizing dyestuffs : en
  • DE717165C - Device for the lateral fastening of blackout curtains : de en
  • GB542981A - Improvements in quarrying apparatus : en
  • DE717063C - Water tube boiler with natural circulation in individual circulation : de en
  • FR869492A - Cross-wire winder with uninterrupted wire feed : en fr
  • US2271541A - Clamp device for trouser creasers : en
  • US2271599A - Conveying device : en
  • CA402610A - Fibrous container manufacture : en fr
  • CA402697A - Separable fastener element : en fr
  • CA402665A - Ultra-short waves rectifying arrangement : en fr
  • AU115953B2 - Detector system ofthe velocity modulation type : en
  • DE717103C - Electrical insulating material made of soaked fiber : de en
  • US2271692A - Terminal connector : en
  • USD131285S - Costume dress or similar article : en
  • US2271715A - Atomizer valve : en
  • GB543010A - Improvements in or relating to light buoys for seadromes or the like : en
  • DE717109C - Electromagnetic drive : de en
  • CA402624A - Electric transformer regulator : en fr
  • DE716967C - Electric switch with arc extinguishing and movement of the nozzle contact by a flowing pressure medium : de en
  • US2271755A - Peach slicing machine : en
  • US2271973A - Electric heater : en
  • US2271678A - Follower plate for filing cases and the like : en
  • US2272126A - Pencil : en
  • CA402594A - Concrete placement apparatus : en fr
  • US2271552A - Suction cleaner : en
  • US2271612A - Trimming machine : en
  • US2272013A - Method of mining : en
  • GB542985A - Improvements relating to compression-ignition fuel-injection engines : en
  • CA402647A - Fleshing machine : en fr
  • DE717020C - Device for achieving a correct finished product width on fabric tensioning machines : de en
  • US2271709A - Air conditioner : en
  • DE717193C - Method and device for operating gas generators : de en
  • GB543041A - Improvements in travelling chains for vehicles : en
  • DE717040C - Photographic or cinematographic recording device with built-in photoelectric light meter : de en
  • DE717131C - Device for detecting cracks in metal rods : de en
  • CA402630A - Exposure tablet : en fr
  • DE716910C - Packing table with support tongue : de en
  • CA402703A - Electric plug : en fr
  • US2271878A - Telephone system : en
  • DE717027C - Mechanical grate firing, especially for locomotives : de en
  • US2271549A - Pipe joint protector : en
  • US2272067A - Ash tray : en
  • US2271780A - Apparatus for tinning black plate sheets to use for forming can body blanks : en
  • FR869456A - Reducer idler train : en fr
  • FR869466A - Piston pump : en fr
  • FR869527A - Evaporative refrigeration unit with vertically mounted trickle elements in plate form : en fr
  • FR869574A - Improvements to heating devices : en fr
  • US2271824A - Pneumatic control device : en
  • GB542960A - Improvements relating to electrically heated articles of apparel : en
  • DE717038C - Optical copier for the production of single copies : de en
  • DE717136C - Steel bottle shut-off valve : de en
  • GR9763B - WATER BREAKFAST AIR HOME. : el en
  • CA402710A - Liquid hydrocarbon production : en fr
  • US2271528A - Pipe wrapping machine : en
  • DE717012C - Device for generating short-term voltage surges : de en
  • CA402680A - Wax and oil separation : en fr
  • US2271570A - Pump : en
  • DE716943C - Valve flap pads for saxophones and other woodwind instruments : de en
  • US2271788A - Paster for cigar machines : en
  • CA402618A - Collapsible tube : en fr
  • US2271781A - Gear cutter : en
  • CA402672A - Conveyer mechanism : en fr
  • US2271520A - Automatic toaster : en
  • CA402615A - Receptacle filling machine : en fr
  • USD131276S - Design for a settee : en
  • DE716921C - Swashplate internal combustion engine : de en
  • US2271845A - Process for making porous material : en
  • US2271962A - Box : en
  • US2272116A - Paper carton cutter : en
  • USD131317S - Design for a shoe or similar article : en
  • US2271803A - Attachment tool for reciprocating hammers : en
  • US2271921A - Angel food cake package : en
  • US2271951A - Electrical prospecting method and apparatus : en
  • US2271636A - Preparation of hydrocarbon polymers and products thereof : en
  • US2271800A - Fire hose nozzle : en
  • US2271883A - Fishing reel : en
  • USD131280S - Design for a cash register : en
  • CA402626A - Refrigerator frost measuring device : en fr
  • US2271923A - Hook : en
  • USD131301S - Design for a combined fruit corer and slicer : en
  • US2272121A - Carbon holder for manifolding machines : en
  • AU114566B2 - Improvements in or relating to method and means for maintaining register in multiunit presses : en
  • AU114571B2 - Improvements inlow-pressure-arc electric discharge devices having activated cathodes : en
  • DE716939C - Method and device for obtaining resin from resin-rich wood using turpentine oil : de en
  • US2271564A - Compensated scale for indicating bearings : en
  • US2271542A - Rectifier for refrigerating systems : en
  • US2271657A - Luminous sign electrode : en
  • US2271691A - Paper-sizing medium and process for its production : en
  • US2271697A - Vertical lift bridge construction : en
  • US2271862A - Pasteurizing device : en
  • USD131293S - Design for a room thermostat : en
  • CA402676A - Hydrocarbon oil refining process : en fr
  • DE716797C - Tabulation machine controlled by punch cards with a device for forming balances : de en
  • DE717123C - Process to improve the continuous manageability of polyisoolefins : de en
  • DE716973C - Device for suppressing radio interference with automatic installation switches in socket or plug form, with fuses and with lamp sockets : de en
  • GB542932A - Improved resinous condensation products and methods of producing same : en
  • US2272122A - Process for producing hexahydropseudoionone : en
  • US2272058A - Table top, counter top, or the like : en
  • DE717042C - Process for the production of positive or negative copies and printing forms by means of addition : de en
  • US2271946A - Transparent protective covering and the like : en
  • US2271553A - Suction cleaner : en
  • CA402583A - Lignin and waste pulp liquor hydrogenation : en fr
  • CA402634A - Shaving implement comb : en fr
  • US2271562A - Camera shutter : en
  • US2271699A - Vehicle coupling : en
  • US2271900A - Screen : en
  • US2271857A - Hair drier : en
  • US2271870A - Wave transmission network : en
  • US2272072A - Circumcision ring : en
  • DE717001C - Set up on grading machines : de en
  • DE717080C - Rotary valve control for multi-cylinder engines : de en
  • DE717192C - Facility to protect the sick person from x-ray damage : de en
  • US2271682A - Counter former : en
  • US2271726A - System for transporting materials : en
  • US2271801A - Moistening mechanism : en
  • US2271981A - Dynamoelectric machine : en
  • US2271829A - Porous product and its manufacture : en
  • CA402627A - Electric valve circuit : en fr
  • US2271804A - Solubilized gel and process of making same : en
  • US2271673A - Power transmitting apparatus : en
  • US2272017A - Maternity garment : en
  • US2272019A - Wheel : en
  • GB542980A - Improvements relating to canisters and the like : en
  • US2271743A - Method of grinding hard metals : en
  • US2272014A - Coating undesirably pure monocalcium phosphate for heat treatment : en
  • US2272031A - Electric welding apparatus : en
  • US2271684A - Process of dehydrating 2-pentanone, 4-hydroxy, 4-methyl : en
  • US2271784A - Hanger bracket : en
  • CA402707A - Amplifier circuit : en fr
  • US2271598A - Machine tool : en
  • US2271741A - Pitman bearing : en
  • US2271841A - Price marking tag : en
  • AU114567B2 - Method and means for forming castings : en
  • US2271635A - Dry cleaning composition and method : en
  • CA402599A - Insecticidal spray : en fr
  • CA402690A - Steam trap : en fr
  • CA402620A - Wet-strengthened paper : en fr
  • US2272010A - Harness bracket for fishing rods : en
  • AU14441A - Improvement in electric controls for machine tools : en
  • US2271534A - Radio receiver for direction finding or course indicating systems : en
  • FR869581A - Process for obtaining algin, pure or cellulosic alginates and their ethers : en fr
  • GB542963A - Improvements in and relating to gyroscopes : en
  • US2271773A - Draw bench : en
  • FR869559A - New conductors of magnetic fields : en fr
  • USD131320S - Design for a textile fabric : en
  • DE717006C - Conveyor vessel with built-in protective flap : de en
  • DE716974C - Secondary emitting layer for impact electrodes and process for their production : de en
  • US2271514A - Metal car roof : en
  • US2271812A - Waffle remover and server : en
  • US2271602A - Powder distributor : en
  • US2271882A - Method of purifying used oils : en
  • AU429040A - Improvements in the manufacture of aircraft and other structures : en
  • US2271696A - Conditioned well drilling fluid : en
  • US2271826A - Plant for pneumatic, hydraulic, or like fluid control : en
  • DE717187C - Decorative glass plate for wall cladding : de en
  • GB542929A - Improvements relating to pre-formed beams and the like and to structures built therewith : en
  • DE717159C - Radio receiver : de en
  • FR869542A - Further training in frequency changing devices : en fr
  • GB542922A - Improvements in photographic objectives having lens hoods : en
  • US2271795A - Variable leverage device : en
  • USD131303S - Design for a bottle : en
  • US2271996A - Animal trap : en
  • USD131338S - Design foe. a combined tie-cld? and nadl file : en
  • FR869523A - Circuit breaker system with automatic power recovery : en fr
  • CA402600A - Light weight ceramic product : en fr
  • FR869588A - Device for starting internal combustion engines operating with various fuels : en fr
  • US2271763A - Duplex aileron control : en
  • GB543032A - Improvements in direct current voltage changers : en
  • GB542968A - Improvements in magnetic apparatus for measuring the thickness of thin layers : en
  • FR869471A - Multi-engine drive, especially for propellers : en fr
  • GB543008A - Improvements in or relating to electromagnetic relays with mercury contacts : en
  • CA402641A - Stove : en fr
  • FR869596A - Handling arrangement for AC telegraphy : en fr
  • DE717056C - Slot burner, especially for surface hardening of workpieces made of iron or steel : de en
  • FR869578A - Improvements to gas scrubbers for gasifiers and other applications : en fr
  • GB543000A - Preventing radio interference from electric switches, particularly switches for controlling internal combustion engines : en
  • GR9762B - FOAM SYNTHETIC SOAP. : el en
  • US2271950A - Unitary tap bush : en
  • DE717153C - Electric impact device, e.g. B. hammer drill, with a transfer device for the tool : de en
  • FR869577A - Improvements to gasifiers : en fr
  • US2271724A - Coated cellulosic sheet material : en
  • USD131306S - Design for a fruit juicer : en
  • FR869594A - Process for coloring organic solvents, oils, greases, waxes and the like : en fr
  • FR869535A - Economical hot water service : en fr
  • GB543014A - Improvements relating to rotary bins : en
  • FR869563A - Sheath for leader line : en fr
  • US2271640A - Power transmission device : en
  • FR869560A - Electric heater : en fr
  • US2271935A - Vibration damper : en
  • DE716965C - Compressed gas switch with interrupting arc interrupting in the open air : de en
  • DE716985C - Hydraulic press for synthetic resin : de en
  • FR869584A - Improvements made to remote and sliding control devices, particularly zippers : en fr
  • US2272003A - Clutch band : en
  • DE716998C - Motor dry shaver : de en
  • US2272064A - Switch mechanism : en
  • US2272093A - Refrigerating apparatus : en
  • DE716999C - Wooden shoe heel : de en
  • GB542975A - Abrading tool and method of making same : en
  • US2271574A - Reprigeration : en
  • US2271995A - Electrical resistance : en
  • US2271875A - Drifting apparatus : en
  • DK59451C - Heat insulating Clock for Cookware. : da en
  • US2271512A - Washboard : en
  • US2272099A - Refrigerating apparatus : en
  • US2271555A - Suction cleaner : en
  • US2271793A - Cotton picking machine and method : en
  • US2271611A - Shoe sewing machine : en
  • US2272063A - Electric contacting member : en
  • CA402645A - Nickel-base alloy : en fr
  • FR869432A - Improvements to ignition devices : en fr
  • FR869558A - Process for cutting and mounting the fins of the heat exchanger tubes : en fr
  • FR869569A - Monohull gasifier trailer : en fr
  • US2272020A - Wire bound package : en
  • CA402605A - Tooth anchor : en fr
  • DE717194C - Method for the analysis of substances : de en
  • CA402586A - Anti-skid shoe device : en fr
  • US2271890A - Surge voltage protection for electrical apparatus : en
  • US2271810A - Instrument grinding device : en
  • US2271629A - Synchronizing mechanism : en
  • GB542926A - Improvements relating to the manufacture of asbestos-cement and like products : en
  • DE716946C - Flexible skin pump for borehole or deep well pump systems, pressurized by a pressure medium : de en
  • US2272036A - Golf ball cover stock : en
  • GB543035A - Improvements in electron discharge amplifiers : en
  • US2271537A - Branner : en
  • GB543039A - Improvements in visors for attachment to or use with steel helmets : en
  • US2272007A - Food processing machine : en
  • US2272086A - Book : en
  • GB542958A - Improvements in rotatable hose couplings for sucking or blowing devices, for example, vacuum cleaners : en
  • US2271797A - Method of treating alcoholic beverages : en
  • US2271536A - Suction cleaner : en
  • US2272148A - Controllable air supply for cleaners of threshers and the like : en
  • GB542915A - Improvements relating to shelf brackets, hooks and other like fittings for attachment to walls : en
  • DE716795C - Device for loading dry cleaners with trays : de en
  • US2271941A - Garment hanger : en
  • FR869429A - Electrolysis plant : en fr
  • FR869467A - Suspension for wheeled vehicles : en fr
  • AU114609B2 - Improvements in or relating to mattresses and similar upholstery : en
  • US2271997A - Can aligning device : en
  • DE717079C - Carrying device for food and beverage containers, rifle and explosive ammunition, melee equipment, etc. like : de en
  • FR869547A - polarizing screen for headlight giving dazzling light : en fr
  • GB542994A - Electron-beam deflecting circuits : en
  • FR869510A - Elastic support for signaling devices or similar accessories : en fr
  • GB542948A - Improvements in night-lights or the like : en
  • US2271884A - Automobile tray device : en
  • DE717086C - Two-hand safety indentation for punching, pressing and similar machines : de en
  • DE717097C - Circuit for electrical point machines with electromagnetic point lock : de en
  • GB542966A - Improvements in or relating to moulding materials : en
  • FR869570A - Gas powered motor vehicle mixer regulator : en fr
  • US2271998A - Elevator control mechanism : en
  • GB542986A - Improvements in or relating to liquid pressure remote control systems : en
  • GB543004A - Improvements relating to the production of induction apparatus with rolled strip cores : en
  • GB543005A - Improvements relative to the protection of fuel and like tanks : en
  • DE716841C - Cash register or accounting machine : de en
  • DE717078C - Process for preventing the foaming of liquids used in gas cleaning and for the destruction of foams therein : de en
  • GB543037A - System and apparatus for facsimile telegraphy : en
  • DE716961C - Process for the preparation of 1,4-dichlorobutene-2 : de en
  • FR869500A - : fr
  • US2271768A - Honing machine : en
  • GB542954A - Improvements in heat exchange apparatus : en
  • FR869435A - Process for accelerating reactions between metal hams in the liquid state and solid, liquid or gaseous substances : en fr
  • GB543017A - Improvements in or relating to swaging tools : en
  • US2271938A - Electric discharge container : en
  • US2272066A - Ultra short wave system : en
  • DE717135C - Device for mixture formation in internal combustion engines : de en
  • US2271901A - Crate hook : en
  • FR869476A - Device for adjusting the fuel supply (or fuel mixture) of internal combustion engines : en fr
  • US2271545A - Suction cleaner : en
  • US2271637A - Thermally controlled grinder head : en
  • US2271703A - Combined goggle and sweatband : en
  • US2272039A - Refractory composition : en
  • DE717043C - Pressure-reducing closure for pressure medium container : de en
  • US2271791A - Earth moving equipment : en
  • US2272102A - Illumination system and method for photography : en
  • DE716945C - Stuffing box for the piston rod of high pressure pumps : de en
  • GB542993A - Improvements in and relating to protective equipment for electrical power systems : en
  • USD131314S - Design for a transformer : en
  • DE716962C - Process for preventing the sticking together of iron sheets insulated with inorganic material when glowing in packages : de en
  • DE717155C - Process for the production of substances containing nitrogen : de en
  • CA402629A - Gypsum mixer : en fr
  • GB543013A - Improvements in or relating to flexible joints : en
  • USD131325S - Article holding device to be worn on the person : en
  • CA402602A - Magnifier : en fr
  • DE716941C - Self-igniting, air-compressing compound internal combustion engine : de en
  • US2271679A - Lighting fixture : en
  • US2271802A - Refrigerated case : en
  • US2271983A - Capacitor : en
  • US2271626A - Method of manufacturing metallic magnesium : en
  • US2271930A - Window sash and locking device : en
  • US2271939A - Stoker mechanism : en
  • US2271990A - Electron microscope : en
  • US2271944A - Carriage for motors : en
  • US2271895A - Apparatus for treating liquids with electrical discharges : en
  • US2272000A - Claw mechanism for motion picture apparatus : en
  • AU14341A - Improvement in motor control systems : en
  • AU354540A - Improvement in parachute and parachute pack : en
  • CA402642A - Silverware washing machine : en fr
  • CA402648A - Ham skinning machine device : en fr
  • CA402712A - Lighter : en fr
  • US2272096A - Dam forming device : en
  • US2271945A - Watchmaker's tool : en
  • USD131315S - Design for a vase : en
  • FR869537A - Process for the preparation of rennet, and product resulting from said process : en fr
  • US2271592A - Composite panel and steel element therefor : en
  • US2271877A - Fractionated starch nitrate : en
  • US2271523A - Universal joint : en
  • CA402664A - Delayed volume control circuit : en fr
  • US2271623A - Photographic emulsion : en
  • US2271609A - Flagstaff : en
  • DE716566C - In particular, artificially cooled high pressure mercury vapor discharge tubes used to emit radiation : de en
  • DE717037C - Closing slide : de en
  • US2271918A - Sanitary silent garbage can : en
  • US2271557A - Automatic nozzle : en
  • US2272075A - Receiving system for modulated waves : en
  • US2272129A - Speed indicating mechanism : en
  • US2271752A - Prepayment mechanism : en
  • AU311440A - Method of and means for packaging meat carcasses andother foodstuffs : en
  • DE717047C - Slide rule-like device for drawing boards with parallel drawing rails : de en
  • US2271664A - Bicycle stop signal : en
  • US2271731A - Manufacture of washers : en
  • US2271818A - Distemper vaccine and method of preparing the same : en
  • US2272028A - Safety antibacking means for trailers : en
  • US2271517A - Radiogoniometer : en
  • US2272052A - Tuning indicator system : en
  • USD131313S - Combination alphabetical index and calendar : en
  • AU70341A - Improvements in or relating to mattresses and similar upholstery : en
  • DE716897C - Method and device for the monostatic acoustic determination of the altitude and airspeed of a target being pursued by means of a listening device : de en
  • DE717024C - Process for the production of ice colors in stuff printing : de en
  • US2271904A - Magnetic work holder : en
  • US2271985A - Electron discharge device : en
  • US2272025A - Regulating system : en
  • US2271575A - Stitched insulation bat : en
  • US2272103A - Elevator canvas : en
  • US2271978A - Electric heater : en
  • US2271585A - Unitfd statfs patfnt offitf : en
  • US2271710A - Building reglet : en
  • US2271764A - Jet : en
  • FR869458A - Method and machine for making collars, collars, cuffs and the like : en fr
  • CA402695A - Soil sample analysis for oil : en fr
  • DE717083C - Electromagnetic shaft coupling : de en
  • CA402673A - Ore treating process : en fr
  • CA402595A - Refrigerating system leak alarm : en fr
  • CA402686A - Double-acting brake slack adjuster : en fr
  • DE717142C - Electromagnetically controlled direction indicators, especially for motor vehicles : de en
  • US2271576A - Feed mechanism for repeating firearms : en
  • US2271655A - Signal switch : en
  • US2271910A - Switch : en
  • CA402613A - Chromium and alloys : en fr
  • CA402654A - Wringer safety device : en fr
  • US2272043A - Signaling system : en
  • USD131284S - Umbrella or similar article : en
  • DE717008C - Holder for pipes of a pipe bundle of forced circulation boilers, preheaters and other heat exchangers : de en
  • DE716995C - Process for the electrochemical treatment of wires : de en
  • US2271754A - Utility conveyer : en
  • US2271769A - Dish supporting bracket : en
  • DE717077C - Dispersing titanium pigments : de en
  • US2271975A - Temperature responsive device : en
  • US2271728A - Roofing element : en
  • US2271899A - Releasing device for fishing lines : en
  • US2271920A - Wear and reinforcing member for concrete floors : en
  • US2271685A - Gaseous glow discharge device : en
  • DE717085C - Green fodder preservatives : de en
  • CA402661A - Slide fastener stringer making apparatus : en fr
  • FR869447A - Improvements to direction-finding reception systems : en fr
  • FR869506A - Oscillating sieve with several oscillating systems actuated jointly and with the same number of oscillations : en fr
  • DE717206C - Ice box : de en
  • FR869410A - Device intended for radio transmitters or radio headlights : en fr
  • FR869543A - Molded articles and coatings resistant to fuels, oils and solvents : en fr
  • DE717087C - Gas vehicle for solid fuels, especially agricultural tractors : de en
  • US2271578A - Collapsible mast erection : en
  • US2271608A - Car construction : en
  • US2271851A - Fire extinguishing apparatus : en
  • USD131333S - Design fob a cap : en
  • GB542918A - Improvements relating to the forming of grinding wheels for grinding vee grooves therein : en
  • DE717066C - Procedure for checking the operational readiness and the symmetry of modulation circuits in stations for carrier-frequency message transmission : de en
  • DE717107C - Extinguishing chamber switch with a differential pump device built into the extinguishing chamber : de en
  • US2272115A - Rubber ring pipe joint : en
  • USPP502P - Strawberry plant : en
  • DE717026C - Process for splitting pressure hydrogenation : de en
  • FR869546A - Automotive headlight for polarized light : en fr
  • GB542956A - Improvements in means for controlling the fuel supply in two-stroke internal combustion engines : en
  • DE702004C - Process and device for the production of long creped paper : de en
  • US2272029A - Bearing and seal : en
  • US2272023A - Foundation garment : en
  • USRE22018E - lambert : en
  • US2271579A - Strainer liner : en
  • US2271759A - Method of processing gears : en
  • DE717146C - Conveyor vessel with scraper flap that closes when a tow rope is pulled in : de en
  • FR869589A - Process for the production from acid tars of a fuel capable of burning in nozzles : en fr
  • US2271835A - Brush strip : en
  • DE717062C - Process for the production of aldehydes : de en
  • DE717177C - Twin-shaft internal combustion engine with supercharging : de en
  • CA402606A - Flashlight luminous indicator : en fr
  • FR869424A - All coal fireplaces igniter : en fr
  • US2272107A - Railway traffic controlling apparatus : en
  • DE717016C - Enamelling furnace : de en
  • US2272127A - Illuminated sign : en
  • US2271739A - Spring testing machine : en
  • FR869412A - Device for the excitation of synchronous machines : en fr
  • FR869442A - Crampons designed to facilitate walking and prevent slipping on terrain covered with ice or hard snow : en fr
  • FR869549A - Ski binding with sole plate : en fr
  • USD131322S - Design fob a trailer : en
  • US2272111A - Machine or apparatus for shaping metal tubes, containers, and the like : en
  • US2272133A - Metallo organo derivative : en
  • FR869493A - Method and device for capping containers, in particular canning jars, and closure for containers : en fr
  • US2272164A - Strain relief and switch assembly : en
  • FR869551A - Improvements to snap-action electrical switches : en fr
  • GB542906A - Improvements in or relating to gas producers : en
  • GB542910A - Improvements in testing the inflation of pneumatic tyres on aircraft : en
  • DE717127C - Cold chamber for microscopic examinations : de en
  • US2271645A - Catalytic cracking of hydrocarbons : en
  • US2272011A - Chrysene derivatives and process of making same : en
  • US2271586A - Convertible automobile jack and rear wheel drive motor starting device : en
  • US2271662A - Filtering element and new method for its manufacture : en
  • US2272004A - Sewage plant : en
  • US2271771A - Adjustable stroke press : en
  • US2271670A - Catalytic cracking of hydrocarbon : en
  • US2271931A - Hose joint : en
  • US2271775A - Traveling crane : en
  • US2271994A - Cooling system for internal combustion engines : en
  • USD131273S - Design for embroidered needlework fabric or similar article : en
  • GB542962A - Controlling and indicating apparatus for physical magnitudes : en
  • USD131329S - Design for a dress : en
  • FR869406A - Discharge heated incandescent electrode for electric discharge lamps : en fr
  • FR869418A - Improvement in wood carbonization furnaces : en fr
  • GB542987A - Improvements in or relating to lubricating installations : en
  • DE715781C - Process for the operation of pipe and container vibratory mills : de en
  • DE716937C - Display device for comparing the field strengths of two complementary keyed directional diagrams : de en
  • FR869375A - : fr
  • GB542928A - Improvements relating to brakes for drawworks and the like : en
  • US2272114A - Tie nipper : en
  • DE716923C - Attachment of the roll-shaped and the conical or mushroom-shaped part of a so-called mushroom cutter on a pin : de en
  • DE716975C - Process for the preparation of dyes of the pyrene series : de en
  • DE716880C - Device for reducing the scattered rays falling on the image layer during X-ray recordings : de en
  • GB542988A - Improvements in the separation of mineral materials : en
  • US2271622A - Photographic emulsion : en
  • US2271811A - Means for use in the practicing of golf strokes : en
  • CA402684A - Double-acting brake slack adjuster : en fr
  • CA402708A - Electric condenser : en fr
  • US2271881A - Effective temperature indicating : en
  • US2272161A - Differential mechanism : en
  • US2271955A - Method and apparatus for prevention of formations in transfer lines : en
  • CA402705A - Radio volume control and noise suppression : en fr
  • US2271806A - Shaving implement : en
  • US2271838A - Electric furnace resistor element : en
  • US2271874A - Coloration of textile materials : en
  • US2271589A - Auxiliary sponge container : en
  • DE717120C - Process for lining centrifugal casting molds : de en
  • US2271912A - Divided shank rail fastener : en
  • US2272041A - Hunting jacket : en
  • CA402649A - Reel clutch mechanism : en fr
  • US2271772A - System of musical notation : en
  • US2271917A - Cylinder valve : en
  • US2272118A - Self-aligning bearing : en
  • US2271654A - Meringue mixture : en
  • US2272158A - Arc welding head : en
  • FR869413A - Method and device for connecting conductive parts in aluminum and copper : en fr
  • DK59442C - Dust Separator for Gases. : da en
  • US2272085A - Portable lamp : en
  • AU114563B2 - Method of and means for packaging meat carcasses andother foodstuffs : en
  • US2271913A - Adjustable seat : en
  • DE716673C - Revolving door for streamlined vehicles : de en
  • US2271776A - Soaking pit cover crane : en
  • US2271828A - No-spark trash burner : en
  • US2272038A - Heat conducting refractory materials : en
  • FR869498A - Safety razor : en fr
  • FR869598A - Glowing wire candle : en fr
  • US2271650A - Jig : en
  • US2272071A - Spark plug insulator : en
  • DK59446C - Impulse generator for electric fences with an organ that oscillates like a disturbance. : da en
  • US2271974A - Power transmitting mechanism : en
  • DE717072C - Electrical switching device for the alternating operation of two or more arc lamps fed by a rectifier, especially for projection devices : de en
  • DE717117C - Slidable chimney socket : de en
  • FR869401A - Cutting unit for dry shaving devices : en fr
  • FR869552A - Method and device for supplying internal combustion engines by means of compressed gas : en fr
  • GB542951A - Improvements relating to gauges for internal measurements : en
  • US2271887A - Ratchet for screw drivers : en
  • GB542990A - Improvements in the manufacture of viscose artificial silk : en
  • GB543006A - Improvements in the manufacture of plate valves : en
  • FR869433A - Stove with unlimited draft from above and below, for fuels of all sizes : en fr
  • DE717125C - Talking or listening head for wire-shaped magnetogram carriers : de en
  • FR869404A - Control of propellers, in particular by several engines : en fr
  • FR869545A - Adjustment of passage through cover caps or similar elements : en fr
  • GB542907A - Improvements in and relating to aerodromes : en
  • GB542938A - Improvements in and relating to typewriters : en
  • US2271693A - Dual fuse block : en
  • GB543012A - Improvements in or relating to height blocks for precision gauging : en
  • US2272074A - Valve tappet : en
  • GB542909A - Improvements in hydraulic control mechanisms : en
  • US2272160A - Tile cutting and breaking apparatus : en
  • US2271721A - Method and means for transmitting a plurality of signals over the same channel : en
  • US2272079A - Printing mechanism for accounting machines : en
  • US2272108A - Regenerative stove : en
  • US2272030A - Washing machine : en
  • USD131308S - Design for a textile fabric : en
  • GB542916A - Improvements in and relating to mechanism for the remote control of flaps on aeroplanes : en
  • FR869494A - Lightweight structural and steelwork parts : en fr
  • GB542977A - Improvements in and relating to the cooling of cylinders of internal combustion engines : en
  • GB542908A - Improvements in electron discharge devices of the electronvelocity modulation type : en
  • US2271840A - Price tag marking machine : en
  • US2271861A - Cleaning swab : en
  • US2272088A - Roll grinder : en
  • FR869438A - Method for determining or continuously monitoring the thickening of boiler water : en fr
  • GB542976A - Improvements in bricks or blocks for building : en
  • DE716932C - Lead-copper bearing metals : de en
  • US2271846A - Lever construction : en
  • US2271988A - Electroacoustical apparatus : en
  • FR869592A - Improvements in mounting modes intended for the separation of pulses of various durations, but of the same amplitude : en fr
  • DE717068C - Disconnector for high current systems : de en
  • US2272055A - Polishing and grinding machine : en
  • DE716930C - Electrically powered ceiling fan : de en
  • US2272047A - Insecticide : en
  • USD131278S - Design for a cake of soap : en
  • DE716908C - Device for pulling out the worm shaft of meat wolves or the like. : de en
  • US2271831A - Stoker control system : en
  • US2271511A - Crankpin bearing : en
  • CA402699A - Porous article : en fr
  • US2272056A - Radio course indicator : en
  • FR869468A - Electric bed warmer : en fr
  • GB543018A - Improvements in or relating to heat exchange devices : en
  • CA402598A - Oil refining apparatus : en fr
  • DE717081C - Device for suppressing the thread play : de en
  • DE717198C - Plate apparatus for the heat treatment of milk : de en
  • US2271603A - Self-reversing magnetic switch : en
  • US2271631A - Wheeled scraper : en
  • USRE22017E - Acoustic device : en
  • CA402587A - Tire repair patch : en fr
  • US2271649A - Vehicle body construction : en
  • US2271903A - Ignition device or system for gas and liquid fuel burners : en
  • CA402689A - Display mount for artificial teeth : en fr
  • CA402593A - Shaving apparatus : en fr
  • US2271583A - Controlling device for machine tools : en
  • USD131327S - Design for a dress : en
  • US2272084A - Detachable rest for cigarettes and cigars or the like : en
  • GB542957A - Improvements in wire and like spooling machines : en
  • FR869583A - Air and gas fuel mixer for supplying engines : en fr
  • FR869590A - Flashlight with changing lights : en fr
  • US2271663A - Throttle actuating device : en
  • DE717058C - Schraem chain with Schraemme chisels and retaining holes, the cross-sections of which are wedge or trapezoidal : de en
  • USD131339S - Design for a lace : en
  • DK59449C - Electric Discharge Tube for Optical Voltage Display. : da en
  • FR869586A - Guide to correcting the exteriors and interiors of regular arched timber : en fr
  • US2271597A - Apparatus for electrical precipitation : en
  • US2272021A - Snap switch : en
  • DE716722C - Device for measuring the ship's speed : de en
  • DE717195C - Gas turbine system with constant pressure combustion of the propellant : de en
  • FR869448A - Manufacturing process for luminescent substances : en fr
  • US2272143A - Portable ventilation duct for refrigerator cars : en
  • US2271906A - Carving material : en
  • US2271642A - Method and apparatus for purifying gases : en
  • DE716936C - Display device for field strength comparison : de en
  • DE717009C - Two-pressure turbine with control valve influenced by the centrifugal regulator and pressure regulator : de en
  • DE717044C - Automatic gear change gearbox : de en
  • US2271967A - Stoker : en
  • US2271672A - Flashlight : en
  • US2272065A - Shoe lasting and welting machine : en
  • USD131289S - Design fob a shoe : en
  • US2272081A - Dry shaving device : en
  • US2271694A - Duster : en
  • US2271919A - Turbine torque converter : en
  • US2272018A - Hot top and element for producing the same : en
  • DE717175C - Pulsator for milking machines : de en
  • DE716944C - Adhesive tape : de en
  • FR869575A - Air injection nozzle for gasifier : en fr
  • US2271604A - Accordion : en
  • USD131305S - Design for a fruit juicer : en
  • FR869402A - Dry shaving device : en fr
  • GB543001A - Improvements in conducting liquid electric switches : en
  • GB543033A - Improvements in or relating to alkyl urea derivatives : en
  • FR869452A - Method and device for grinding and polishing metal wires : en fr
  • DE717007C - Hydroelectric machine set, consisting of a Kaplan turbine and a hydroelectric generator : de en
  • DE716859C - Flat weft knitting machine and method for producing the double edge of socks on such a machine : de en
  • DE716953C - Process for the production of wool-like artificial threads from cellulose solutions : de en
  • US2271753A - Gear cutter : en
  • FR869511A - Goniometric device for locating : en fr
  • US2272082A - Die : en
  • US2271959A - Soap cake : en
  • FR869486A - Socket device for precision adjusters, with smooth contact path : en fr
  • US2271742A - Cable measuring device : en
  • US2271539A - Secondary clock system : en
  • US2271621A - Recovery of wool grease : en
  • US2271634A - Fluid separator : en
  • US2271700A - Blast tube for machine guns : en
  • US2271822A - Bowl : en
  • GB542945A - Improvements in electric storage water heaters : en
  • US2271648A - Liquid cooling device : en
  • US2271740A - Counterbalance : en
  • US2271744A - Method of making plywood : en
  • US2272166A - Rocker arm : en
  • DE716920C - Rotary piston machine, in particular rotary piston internal combustion engine : de en
  • US2271987A - Resistance welding apparatus : en
  • CA402643A - Battery terminal : en fr
  • US2271891A - Lifesaving suit : en
  • US2271619A - Process of making pure soaps : en
  • US2271834A - Method of treating mercaptothiazoles with ammonia derivatives : en
  • US2271863A - Static pressure measuring tube : en
  • US2271872A - Production of growth promoting substances : en
  • US2271989A - Electric circuit breaker : en
  • US2271785A - Valve : en
  • FR869405A - Process for manufacturing building elements to be cooled by air and subjected to high calorific effects, in particular elements of internal combustion engines : en fr
  • FR869453A - Device for measuring distance using the echo method : en fr
  • DE717095C - Device for heating industrial ovens by means of heating ducts : de en
  • DE717190C - Radiant boiler, especially for pulverized coal combustion : de en
  • DE717035C - Collecting machine for beetroot : de en
  • US2271718A - Telephone coin collector : en
  • US2271581A - Synthetic resin coating composition : en
  • US2271653A - Divided multiplex channel : en
  • FR869515A - Carbon brush with metal frame : en fr
  • US2271519A - Neutralizing system : en
  • US2272152A - Lacquer emulsion : en
  • GB542914A - Improvements in or relating to units for use in building construction and elements constructed from such units : en
  • US2272162A - Wall construction and ground device therefor : en
  • US2272128A - Marine propeller : en
  • CA402631A - Stereo viewing device : en fr
  • US2271601A - Extended bed for tall men : en
  • DE716984C - Injection molding machine for thermoformable, non-hardening materials : de en
  • US2271853A - Tufting machine : en
  • DE716989C - Two-stroke internal combustion engine : de en
  • DK59444C - Radio receiver with Means to facilitate Voting. : da en
  • DE717151C - Device for connecting two housing parts of lights : de en
  • GB543040A - Improvements in or relating to the forming by stretching of sheet metal particularly aluminium and aluminium alloy sheet : en
  • FR869529A - Steering device : en fr
  • US2271751A - Catalyst : en
  • US2272060A - Ultra high frequency amplifier system : en
  • US2272091A - Fluid actuated valve : en
  • US2271966A - Electromagnetically controlled lock : en
  • DK59453C - Threshing plant with adjustable threshing bridge. : da en
  • US2271594A - Pumping mechanism : en
  • FR869421A - Thermionic or similar lamps : en fr
  • CA402619A - Transmission synchronizer : en fr
  • GB542965A - Improvements in and relating to screw-cutting dies : en
  • GB543019A - Improvements in or relating to the manufacture of rubber articles : en
  • DE716915C - Process for dehairing and shearing hides and skins : de en
  • US2271958A - Voting machine : en
  • US2271756A - Preparation of bakery products : en
  • CA402633A - Coffee maker : en fr
  • US2271746A - Container closure with applicator rod and method of making the same : en
  • US2272089A - Dialing device for telephones : en
  • FR869470A - Secondary emission cathode : en fr
  • DE716996C - Method and device for manufacturing pipe elbows or the like from winding strips : de en
  • AU114583B2 - Improvements in or relating to chromium-nickel steel alloys : en
  • DE717082C - Hydraulically controlled brake clutch : de en
  • CA402607A - Light conditioning device : en fr
  • DE717049C - Target practice device : de en
  • DE717053C - Installation at overflowing weirs to avoid vibrations of the defense body : de en
  • FR869517A - Production of cooling tubes for oil refrigerators : en fr
  • AU16741A - Improvements in or relating to chromium-nickel steel alloys : en
  • FR869455A - Protective clothing against the cold : en fr
  • AU114568B2 - Improvements relating to devices for the transmission and reception of grouped electro-magnetic waves : en
  • DE717119C - Door for firing : de en
  • DE717134C - Device for the ongoing monitoring of the viscosity of the lubricant of an internal combustion engine : de en
  • FR869426A - Device for limiting the travel of axles of motor cars with displacements damped by unguided coil springs : en fr
  • DE717158C - Circuit arrangement for the alternating traffic of wireless stations : de en
  • US2271725A - Measuring device : en
  • US2271879A - Clamp : en
  • DE717148C - Skip with bottom closure : de en
  • DK59447C - Electron tube with glass container without separate base. : da en
  • GB542967A - Improvements in or relating to circular knitting machines : en
  • FR869562A - electro-cycle : en fr
  • US2271782A - Vulcanization of rubber : en
  • DE716928C - Ceramic insulating bodies mainly containing soapstone or talc : de en
  • GB542940A - Improvements in or relating to calculating devices : en
  • FR869436A - Process for preparing emulsions of halogenated organic derivatives and substances soluble in said derivatives : en fr
  • USD131318S - Design for a shoe : en
  • FR869460A - Electric heater : en fr
  • GR9765B - HOW TO MAKE EDIBLE FLOUR. : el en
  • DE716977C - Process for the production of acidic dyes of the anthraquinone series : de en
  • GB542961A - Improvements in ribbon feeding mechanism for typewriting machines : en
  • US2271666A - Controlled electrical discharge device : en
  • US2272117A - Retouching solution : en
  • US2272138A - staniforth : en
  • GB543003A - Improvements connected with curtain suspension devices : en
  • AU114565B2 - Improvements in or relating to appratus for producing continuous rubber articles : en
  • FR869499A - Adjustment device intended in particular for the tuning units of broadcasting stations : en fr
  • FR869568A - Improved method and device making it possible to advantageously use acetylene for supplying domestic and other households : en fr
  • US2272144A - Covering structure : en
  • FR869454A - Heat and noise insulating coating for living rooms : en fr
  • CA402663A - Electron ray tube indicating instrument : en fr
  • DE669884C - Card dispenser : de en
  • US2271665A - Process for removing alkyl sulphides from sweetened hydrocarbon fluids : en
  • US2272134A - Modified motor fuel and process of making same : en
  • US2271993A - Valve construction for washing apparatus : en
  • US2272078A - Panel : en
  • FR869576A - Rolling luggage rack : en fr
  • GB542984A - Improvements relating to dust-tight winding-up devices for watches : en
  • FR869525A - Process for the enrichment and purification of aqueous dispersions of higher order polymeric organic materials : en fr
  • DE689373C - Process for the production of a sulfur-containing soap : de en
  • FR869459A - Extraction machine for coals and other minerals : en fr
  • US2271529A - Loop cutting machine : en
  • US2271783A - Round straightener : en
  • US2271871A - Sound absorbing unit : en
  • USD131335S - Design for an electric clock : en
  • US2271515A - Light shade : en
  • US2272008A - Rubbing device : en
  • US2271789A - Conveyer : en
  • US2272123A - Shaving device : en
  • US2272001A - Protective face shield for masks : en
  • US2271787A - Billfold : en
  • US2271807A - Bookmark : en
  • US2271914A - Time recording machine : en
  • US2271630A - Container : en
  • US2271689A - Illuminated display sign : en
  • DE717139C - Photographic shutter with release lock : de en
  • US2271540A - Marker die : en
  • US2271546A - Hypodermic syringe : en
  • US2272022A - Tubing head : en
  • US2272142A - Weighing scales : en
  • US2271661A - Automatic train pipe connector : en
  • US2271848A - Indexing mechanism : en
  • US2271977A - Electric heater : en
  • US2272015A - Furnace arch construction : en
  • AU114579B2 - Improvements in or relating tothe heat treatment of light alloys : en
  • US2272016A - Engine mounting : en
  • AU114671B2 - Improvements in the structure of electron discharge devices : en
  • DE717028C - Device for extinguishing combustion residues slipping over inclined plates : de en
  • FR869485A - Regulated electrical control : en fr
  • DE717111C - Process for the treatment of ferromagnetic metal or alloy powder obtained by reduction for mass cores : de en
  • US2271556A - Suction cleaner : en
  • US2271991A - Frequency and power factor measurement : en
  • US2272155A - Preparation of phenolic condensation products : en
  • AU21641A - Improvements in or relating tothe heat treatment of light alloys : en
  • US2271832A - Gas and water separator for wells and the like : en
  • US2271915A - Radio receiver circuit : en
  • US2271926A - Riser for stapling machines : en
  • FR869477A - Device for accelerating the clutch operation in gear changes, particularly for motor vehicles : en fr
  • FR869526A - Device for rapid freezing of water or other liquids or elements : en fr
  • DE717029C - Incendiary cartridge for electric ignition devices of oil-fired burners : de en
  • US2271747A - Container closure with applicator rod : en
  • US2272005A - Concentrator : en
  • US2271658A - Luminous sign electrode construction : en
  • DE716970C - Device for limiting the power consumption of an electrical system : de en
  • DE716854C - Equalizing telegraph transmitter based on the start-stop principle : de en
  • US2271716A - Electron discharge device : en
  • US2272057A - Resin emulsion : en
  • DE717039C - Photographic or cinematographic camera with a housing that can be swiveled in relation to the viewfinder eyepiece : de en
  • CA402711A - Shoe : en fr
  • CA402655A - Concrete curing and coating method : en fr
  • US2271643A - Fluid heat exchange apparatus : en
  • GB542974A - Improved resinous condensation products and methods of producing same : en
  • FR869408A - Music Typewriter Improvements : en fr
  • FR869487A - Device for checking the centering of collars or shoulders of bolts, screws, etc. : en fr
  • AU114584B2 - Improvement in parachute pack : en
  • AU249841A - Improvements in capsules for bottles andthe like : en
  • US2271681A - Telephone system : en
  • AU14041A - Improvements in the charging of kilns, gas producers and the like : en
  • US2271590A - Auxiliary sponge container : en
  • DE697047C - Centrifugal clutch : de en
  • US2271908A - Canape cutter : en
  • US2272151A - Hairbrush : en
  • DE716966C - Extinguishing pipe for electric gas switch : de en
  • GB542972A - Improvements in resinous condensation products and methods of producing same : en
  • US2271757A - Drying apparatus : en
  • US2272006A - Scraper : en
  • US2271667A - Electroacoustic transmitter and the like : en
  • US2271916A - Apparatus for multiple heat treating : en
  • US2271698A - Protective device for preventing persons from falling asleep at the wheel of a motorvehicle or the like : en
  • US2272140A - Tension controlling mechanism : en
  • CA402589A - Ski-pole grip : en fr
  • CA402653A - Wringer : en fr
  • FR869457A - Box with transporter for household refuse dumpers : en fr
  • DE716927C - Device for the production of compressed yeast from molasses : de en
  • US2271770A - Coupler : en
  • CA402625A - Circuit interrupter : en fr
  • CA402670A - Negative feedback amplifier : en fr
  • US2271674A - 2-keto-1,2,3,4-tetrahydronaphtha-lenes and a method for producing them : en
  • US2271735A - Machine for electroprocessing metal strip : en
  • US2271864A - Seismic wave detector : en
  • AU114586B2 - Improvements in or relating in brushes : en
  • DE717067C - Device for attaching a spool body to an associated base plate : de en
  • US2271624A - Load handling mechanism for industrial trucks : en
  • US2271737A - Brush-lifting relay : en
  • FR869516A - Multi-stage planetary gear drive, in particular for devices running at high speeds, such as charge compressors for internal combustion engines : en fr
  • GB542911A - Improvements in or relating to electrical signal wave receivers which incorporate amplitude limiters : en
  • US2272046A - Under seat automobile heater : en
  • DK59454C - Installations for the distribution of fertilizer water, especially on high-lying soils. : da en
  • CA402678A - Plastic sheet material fabrication : en fr
  • US2272070A - Electric signaling system : en
  • US2271714A - Method of making laminated flexible containers : en
  • US2271868A - Apparatus for cooling beverages : en
  • US2271933A - Power hammer : en
  • US2272077A - Shoe sewing machine : en
  • AU114576B2 - Improvements in the charging of kilns, gas producers and the like : en
  • US2272002A - Average finder : en
  • US2272120A - Holder for yarn packages : en
  • DE717182C - Screw locking : de en
  • USD131336S - Design fok an electric clock : en
  • AU314441A - Detector system ofthe velocity modulation type : en
  • GB542983A - Improvements in or relating to brassieres : en
  • GB542936A - Improvements in the production of dyeings of animal fibres : en
  • CA402709A - Orthopedic footwear : en fr
  • CA402682A - Punching register : en fr
  • US2271856A - Internal combustion engine : en
  • CA402584A - Ladder support : en fr
  • US2271796A - Adjustable attachment for bridgework : en
  • US2271893A - Apparatus for facilitating the performance of series of spectrum analyses : en
  • DE717099C - Wheel button with contact axis : de en
  • DK59452C - Device by Combustion Boilers. : da en
  • AU114577B2 - Improvement in motor control systems : en
  • CA402675A - Solid hydraulic disruption apparatus : en fr
  • US2272137A - Hollow uniform-type button : en
  • US2271547A - Refrigeration : en
  • US2271701A - Trestle : en
  • FR869441A - Electric flashing switch : en fr
  • GB543024A - A helicopter with revolving wings, power and propeller units : en
  • US2271956A - Preparation of alkyl aluminum halides : en
  • FR869508A - tubular heat exchanger : en fr
  • US2271816A - Furnace : en
  • DE717046C - Hair clipper : de en
  • US2271732A - Lock washer : en
  • FR869478A - Transverse roller bearing, especially for high loads and high number of revolutions : en fr
  • GB542919A - Improvements in or relating to collapsible cores for use in the moulding of concrete structures or bodies : en
  • FR869505A - Process for the manufacture of impregnation bandages : en fr
  • FR869582A - Device improving the efficiency of internal combustion engines : en fr
  • GB542970A - Improvements in oscillation generation systems : en
  • US2271606A - Combustion chamber : en
  • US2272131A - Nuclear ketones of the cyclopentanopolyhydrophenanthrene series and process of making same : en
  • CA402614A - Sheet feeder : en fr
  • CA402701A - Textile thread and fabric : en fr
  • US2271928A - Wall fixture : en
  • FR869422A - Process for treating cast iron with alkaline purifying materials : en fr
  • FR869509A - High voltage contactor : en fr
  • DE717102C - Device for checking the voltage of batteries and accumulators : de en
  • GB542924A - Improvements in or relating to lubricating installations : en
  • US2271839A - Car coupler : en
  • US2271859A - Two stage intermitter : en
  • DE717124C - Damping device for measuring devices : de en
  • FR869331A - Process for the continuous manufacture of cellulose from straw, esparto and other plants and devices allowing the implementation of this process : en fr
  • USRE22015E - brown : en
  • DE717166C - Articulated boiler with a high flame chamber for gaseous fuels separated from the filling chamber by an exchangeable partition : de en
  • US2271815A - Internally expanding brake : en
  • GB542930A - Valve circuits with electronic discharge : en
  • AU114587B2 - Improvements in fire extinguishing apparatus : en
  • CA402698A - Fastener locking slider : en fr
  • US2271521A - Burial container : en
  • US2272076A - Piano : en
  • US2271533A - Tractor plow : en
  • DE717018C - The wheel brake on the aircraft can be operated from two different locations : de en
  • FR869514A - Device for fixing hairpiece ornaments in hairdressing : en fr
  • US2271548A - Clutch : en
  • DE717075C - Process for the preparation of water-soluble dyes : de en
  • DE717184C - Coupling device, especially for motor vehicles with change gears : de en
  • US2271852A - Bearing construction for knitting machines : en
  • US2272035A - Railway car truck : en
  • DE715743C - Device for locking drive rods or wire pulls : de en
  • US2271745A - Proof press : en
  • DE716844C - Method for regulating the stroke of motor compressors with free-flying pistons : de en
  • US2272024A - Apparatus for butt welding metal sheets : en
  • DE716976C - Process for the preparation of perylene series dyes : de en
  • US2271652A - Welded pressure vessel : en
  • US2271727A - Cyclic circuit controller : en
  • FR869407A - Control device for office machines : en fr
  • FR869599A - Suction nozzle for vacuum cleaning devices : en fr
  • US2271538A - Heat exchange and method of making the same : en
  • US2272112A - Stove lid lifter : en
  • DE716925C - Impact fuse with field security : de en
  • DE717114C - Process for the production of azo dyes : de en
  • DK59459C - Filter fan with Measures for Shelter. : da en
  • US2271925A - Chair : en
  • GB543007A - Improvements relating to springing for chairs, settees, mattresses and the like : en
  • US2271774A - Molded insulated resistor : en
  • USD131297S - Design for a salad plate : en
  • FR869524A - Device for cooling the compression chamber of gas and air compressors : en fr
  • US2271669A - Packing chest : en
  • FR869445A - Quick-change handlebar : en fr
  • GR9759B - SINGLE - AIR CONDITIONER. : el en
  • US2271582A - Pipe cutter : en
  • US2271677A - Fluid circulating system : en
  • FR869580A - Fishing reel refinements : en fr
  • US2271830A - Belt drive transmission means : en
  • US2271999A - Emulsion tank and stain roll : en
  • US2271758A - Hectograph blanket comprising a cellulose derivative gel and method of preparing andusing same : en
  • US2271897A - Corn husking, shelling, and husk separating machine : en
  • DE717025C - Method for improving the electrical contact resistance on carbon electrodes : de en
  • US2271610A - Conversion of hydrocarbon oils : en
  • US2271984A - Control system : en
  • US2271680A - Combination tool : en
  • DE717055C - Gas stove or gas cooker with a plurality of cooking areas : de en
  • DE717052C - Trickle dryer for grainy goods : de en
  • DE717130C - Endurance testing machine for generating alternating forces : de en
  • FR869472A - Instrument for monitoring fuel consumption per unit of time, as well as total fuel consumption of internal combustion engines with fuel injection : en fr
  • GB542991A - Improvements in and relating to ciphering and deciphering : en
  • US2271559A - Clutch : en
  • US2271886A - Steam power plant employing steam generators of the flow-through type : en
  • US2272033A - Motor : en
  • USD131294S - Design foe a bottle : en
  • FR869554A - Improvements made to the construction of aerial propeller poles : en fr
  • GB542999A - Improvements in or relating to the formation of hollow metallic propeller blades : en
  • USD131316S - Design for. a laboratory apparatus hand truck : en
  • CA402656A - Harvester cutter guard : en fr
  • CA402622A - Brake disc : en fr
  • DE717015C - Milling head for wood milling machines : de en
  • GB542959A - Coating surfaces with cellulose esters : en
  • DE717174C - Tiller : de en
  • US2271964A - Tuning indicator for carrier-signal receivers : en
  • USD131312S - Design for a pneumatic tike : en
  • AU13241A - Improvements inthe purification and clarification of liquids : en
  • FR869451A - Device for making voltage regulators independent of frequency : en fr
  • GB543025A - Improvements in or relating to vertical heating furnaces : en