• US2396121A - Portable radio receiver : en
  • US2396199A - Controller attachment for addressing machines : en
  • CA433438A - Drilling machine : en fr
  • US2395820A - Knitting machine : en
  • USD144080S - Design for a supper : en
  • US2396089A - Shovel : en
  • USD144083S - Swan son power shovel cab : en
  • USD144087S - Design for a cigarette container : en
  • AU1305444A - Separation of gold, tin or other metals from alluvium : en
  • US2396155A - Hydraulic brake : en
  • FR53546E - Zipper closure : en fr
  • USD144050S - Design for a suit : en
  • AU132431B2 - Improvements in or relating to automatic switches for use in telephone or like systems : en
  • US2396015A - Method of setting diamonds or other abrasive : en
  • US2395954A - Recovery of olefins and/or diolefins from hydrocarbon mixtures containing same : en
  • US2396030A - Fastener for paper forms and the like : en
  • US2395999A - Method for the manufacture of metal carbonyls : en
  • FR907335A - Electro-mechanical device concerning radiophony : en fr
  • US2395869A - Tape construction : en
  • US2396011A - Plural coin controlled mechanism for vending machines or the like : en
  • FR53518E - Micro-pendulum-amplifier : en fr
  • AU1358844A - An improved staple forming machine : en
  • GB575800A - Improvements in devices for recessing a blasting cartridge for insertion of a detonator and of a detonator-retaining clip : en
  • AU121062B2 - Educational music aids : en
  • CA433374A - Heated workpiece quenching apparatus : en fr
  • FR907277A - Convertible seat unit into a stool or stepladder : en fr
  • FR907300A - Double track horse game : en fr
  • CA433357A - Flow responsive alarm device : en fr
  • USD144046S - Design for a glass ash tray or article of similar nature : en
  • DK64321C - Procedure for Draining Yeast Slurries and Filters for Use in Performing the Procedure. : da en
  • US2395923A - Card selector machine : en
  • USD144044S - Design for a dancing tot : en
  • USD144073S - Radio receiver cabinet or the like : en
  • US2395902A - Electronic chronoscope for measuring rates of detonation : en
  • US2396161A - Work positioner : en
  • FR907243A - Continuous service vertical chamber furnace for gas and coke production : en fr
  • CA433371A - Paper machine : en fr
  • US2396040A - Screw driver : en
  • US2396136A - Ordnance : en
  • US2395896A - Pinking shears : en
  • US2396112A - Radio navigation system and method : en
  • GB575774A - Improvements in or relating to devices or tools for and method of applying ferrules to pipes or tubes : en
  • US2395850A - Means for indicating the presence of radio frequency fields : en
  • CA433337A - Wheel structure : en fr
  • CA433470A - Fluid mixing device : en fr
  • FR907217A - Feeding device for continuous presses : en fr
  • FR907174A - High quality cement made from blast furnace slag : en fr
  • US2396023A - Television signal amplifier : en
  • USD144024S - Design for, an airplane : en
  • GB575855A - Improvements in and relating to electric circuit breakers having arc-extinguishing devices : en
  • GB575838A - An improved boat which can be quickly assembled and quickly taken to pieces : en
  • FR53512E - Improvements in automatic control of motorized machines : en fr
  • GB575761A - Improvements in adjusting slides or buckles for bands, webbing and the like : en
  • GB575753A - Improvements in and relating to hard compositions : en
  • US2395831A - Method of forming sheet metal : en
  • US2396039A - Aircraft interior : en
  • US2396221A - Business form : en
  • US2395844A - Foot fin : en
  • US2395825A - Preparation and use of anion material : en
  • US2395929A - Typewriting machine : en
  • US2396075A - Ash tray : en
  • US2396133A - Magnetic compass : en
  • GB575857A - Improved water or steam boiler for heating and domestic purposes : en
  • USD144086S - Lapel ornament or similar article : en
  • US2396191A - Instrument lubricant : en
  • CA433467A - Toy : en fr
  • FR907247A - Flexible pipe fitting : en fr
  • FR907215A - Retaining device for shutters or shutters of shop doors or the like : en fr
  • FR907308A - Disinfectant : en fr
  • GB575745A - Improvements in machines for pointing the ends of studs, bolts and like articles : en
  • GB575875A - Improvements in and relating to electrical switches or circuit breakers : en
  • US2396102A - Auxiliary air heater : en
  • FR907199A - Armature for magneto-electric machines : en fr
  • FR907227A - Lubricating pump : en fr
  • US2396024A - Evaporative cooler : en
  • USD144047S - Internal-combustion engine unit : en
  • FR907261A - Base to vertically hold soft metal tubes, used in perfumery, pharmacy and other industries : en fr
  • US2396012A - Insect repellent compositions : en
  • USD144060S - Design foe a handbag fkame : en
  • US2395846A - Sensitized photographic emulsion : en
  • FR907190A - Device for continuous deconcentration of a homogeneous solution : en fr
  • US2396177A - Toilet : en
  • US2395914A - Decoy airplane : en
  • CA433412A - Multilayer reversal colour film : en fr
  • US2395975A - Opaque copy projector : en
  • CA433376A - Brake control means : en fr
  • CA433327A - Self-locking nut : en fr
  • FR907297A - Mine sedan or wagon for all applications : en fr
  • GR10596B - SILENT FIRE HEADING PETROL COOKING. : el en
  • US2396159A - Elastic fluid turbine : en
  • USD144022S - Design for an electric lantern : en
  • CA433465A - Stabilizing agent production : en fr
  • FR907273A - Ironing machine : en fr
  • US2395877A - Bimetallic products and manufacture thereof : en
  • US2395978A - Tool for cutting asbestos-cement board or the like : en
  • FR907345A - Advanced air turbine with automatic adjustment by the power of the winds : en fr
  • US2396179A - Surgical stitching instrument : en
  • FR907154A - Automatic taking of localized radiographs separated or in series : en fr
  • FR907171A - Knitting Machine Improvements : en fr
  • FR907313A - Device for the assembly of elements, in particular in construction : en fr
  • GB575778A - Improvement in corsets : en
  • AU133657B2 - Improvements in or relating to thermal evaporation of metals ina vacuum : en
  • AU186646A - Door trim : en
  • US2395926A - Line grounding clip : en
  • US2396126A - Parachute pack : en
  • US2395801A - Ironing machine : en
  • US2395814A - Knitting machine : en
  • FR907180A - Process for increasing the corrosion resistance of light alloy objects coated with a layer of alumina obtained by electrolytic means : en fr
  • GB575793A - Improvements in locking mechanism for indexing members : en
  • FR907162A - Installation for telephone systems : en fr
  • FR907221A - eyeglass case or other self-releasing object : en fr
  • US2396176A - Idling mechanism for welding apparatus : en
  • US2396048A - Relay : en
  • US2396181A - Electric razor : en
  • USD144072S - Design for a pipe holder : en
  • US2396000A - Engine cooling apparatus : en
  • US2396088A - Negative transconductance device and circuit : en
  • CA433343A - Well point : en fr
  • CA433346A - Nursing bottle : en fr
  • US2396166A - Circular knit hosiery and method of making same : en
  • USD144033S - Broadbent kitchen cabinet : en
  • FR53528E - Casting mold for die casting machines : en fr
  • FR53538E - Device for introducing gas or liquid refrigerants into hollow and insulated high voltage electrical conductors, and extracting these conductors : en fr
  • US2395889A - Lubricating oil : en
  • US2396068A - Turbine : en
  • GB575786A - Improvements relating to guards for stock-bar machine-tools : en
  • FR53537E - Easily removable fixing method for stove legs and similar uses : en fr
  • US2396194A - Handle : en
  • FR907206A - Device for using cutlery : en fr
  • FR907220A - Process for the manufacture of plates, particularly applicable to doors : en fr
  • GB575748A - Signal device for railway cars : en
  • FR53508E - Method and arrangement for the manufacture of two-sided cast-coated support bodies with sliding bearing metal : en fr
  • USD144078S - Cigar and cigarette lighter : en
  • US2395966A - Plan position indicator system : en
  • FR53511E - Fully automatic gear shifting for motor vehicles and the like : en fr
  • FR907303A - Improvements to compasses for tracing large radii : en fr
  • FR907304A - Photographic camera with rangefinder and light meter : en fr
  • FR907160A - Flat bar winding : en fr
  • GB575884A - Improvements in or relating to refrigerating systems : en
  • US2396154A - Fingertip guard : en
  • FR907334A - Aircraft thruster : en fr
  • GB575789A - Improvements in and relating to thermostatic switches : en
  • US2395835A - Thermionic tube : en
  • US2396208A - Method of and means for treating gases : en
  • FR907318A - Thruster device for shallow draft boats : en fr
  • FR907331A - Process for the preparation of ethylenic alcohols : en fr
  • FR53542E - Automatic reel for angling : en fr
  • FR907282A - Watch dial : en fr
  • US2395810A - Fuel injector for internalcombustion engines : en
  • US2395955A - Separation of olefins and/or diolefins from hydrocarbon mixtures : en
  • FR53526E - Further development in the manufacture of plant extracts : en fr
  • FR907349A - High power mechanical relay for mechanical transmission : en fr
  • CA433458A - Sheet material cutting machine : en fr
  • US2396028A - Stepladder : en
  • FR907276A - Cold stamping process by combined mechanical and hydraulic upsetting : en fr
  • US2395862A - Acoustic mine-sweeping device : en
  • GB575848A - Improvements in or relating to bag corner sewing and like operations : en
  • GB575841A - Improvements in or relating to forced air convection heat treatment furnaces : en
  • CA433428A - Picture projector : en fr
  • AU121054B2 - Suspension for compasses and similar instruments : en
  • US2395822A - Knitting machine : en
  • US2395983A - Folding machine : en
  • GB575770A - Improvements in and relating to the aromatisation of hydrocarbonaceous materials : en
  • FR53521E - Removable curler for natural curl curl : en fr
  • FR907166A - Apparatus for treatment by faradic currents : en fr
  • FR907326A - Cellulose-based maintenance powder : en fr
  • US2395931A - Method of decolorizing hydrocarbon oils : en
  • US2396170A - Electron discharge device : en
  • FR907233A - broom holder : en fr
  • USD144061S - Design for a bracelet or similar article : en
  • CA433459A - Window operator : en fr
  • CA433392A - Circuit breaker : en fr
  • FR907198A - Improvements made to the method of mounting washers or the like on cylindrical parts : en fr
  • GB575880A - Improvements relating to percussive tools operated by internal combustion of charges : en
  • USD144023S - Design for an airplane : en
  • US2396090A - Means and method for handling and stacking railroad ties and the like : en
  • FR907255A - Combined photographic trigger synchronously causing a flash lamp to light and the shutter to operate : en fr
  • GB575768A - Process for the conversion of c.v.r. benzole into a substantially completely aromatic product : en
  • GB575853A - Improvements in horizontal coke ovens : en
  • FR907350A - Volumetric pump for gases and vapors : en fr
  • AU188046A - Improvements in pipe couplings andthe like : en
  • CA433386A - Reclosing breaker : en fr
  • AU134094B2 - Anode for electron flow device : en
  • AU1329844A - Improvements in and relating to tuning arrangements for wireless receivers : en
  • AU1158843A - Improvements in or relating tothe production of polyamides : en
  • GR10595B - ELECTRICAL CIRCUIT RESTORATION SYSTEM FOR RECEIPTING A SECRET COMBINATION ALTERNATIVE AT WILL. : el en
  • US2395858A - Preparation of crystalline materials : en
  • US2396145A - Heterocyclic sulphonamido azo compounds : en
  • USD144075S - Design foe a radio cabinet ob the like : en
  • US2396014A - Electron gun structure : en
  • USD144043S - Design fob a toy automobile : en
  • FR907151A - New industrial product constituting coating or paint : en fr
  • US2395980A - Hydraulic transmission : en
  • US2395864A - Racket : en
  • AU1228643A - Improved cigarette case : en
  • AU173546A - Method of executing auxiliary motions on textile machines : en
  • CA433330A - Dipped rubber article manufacture : en fr
  • GB575889A - Improvements relating to electromagnetically operated electric switches or contactors having pivoted armatures : en
  • CA433408A - Cowl flap operating mechanism : en fr
  • GB575885A - Improvements in or relating to drying closets : en
  • CA433433A - Copper hydroxy soap : en fr
  • US2396009A - Silver solder : en
  • US2395841A - Piezoelectric crystal holder : en
  • US2396209A - Polymeric acetals : en
  • US2395956A - Process for the recovery of unsaturated hydrocarbons from mixtures containing the same : en
  • CA433422A - Sliding clasp fastener : en fr
  • US2395915A - Press roll for papermaking : en
  • USD144076S - Radio cabinet or similar article : en
  • CA433445A - Ethylene chlorhydrin production : en fr
  • GB575760A - Improvements in or relating to stove casings : en
  • USD144028S - Bowers etal airplane : en
  • AU179746A - Two voice-frequency signalling equipment : en
  • FR53520E - Clasp for receptacle : en fr
  • FR907293A - Fast construction process using preformed elements : en fr
  • AU183646A - Improvements relating to mountings for electrical contacts : en
  • AU165846A - Television system : en
  • CA433468A - Fastener : en fr
  • FR53503E - Tie-medal for closing all-product bags or sachets : en fr
  • FR907288A - Removable hermetic closure, in particular for electric shock receptacles : en fr
  • US2396045A - Precast reinforced concrete member : en
  • US2396079A - Resiliently mounted conveyer : en
  • GB575827A - Liquid clarification apparatus : en
  • FR907208A - Auxiliary device for electron ray tubes and method of photographing the image formed on their screen : en fr
  • USD144066S - Paden davenport : en
  • US2395836A - Catalyst manufacture : en
  • FR907316A - Darning device for woven or knitted articles : en fr
  • US2396004A - High-frequency dielectric heating apparatus : en
  • FR907298A - Rotating handle for controlling the brake of bicycles or the like, which can also be provided with a locking device forming an anti-theft device : en fr
  • GR10597B - ARTICLE PTYOSKAPANI. : el en
  • US2395802A - Fuel supply tank : en
  • US2395961A - Automatic type form cabinet : en
  • GB575837A - Twin fluke anchor : en
  • AU133671B2 - Scanning systems : en
  • US2395942A - Valve : en
  • USD144020S - Altman airplane : en
  • GB575819A - Improvements in or relating to vehicle brakes : en
  • US2395871A - System for determining 3-dimensional angle of approach or incidence of radio waves : en
  • USRE22729E - Clip type earring : en
  • GB575783A - Improvements in the cooking of food : en
  • US2396188A - Calculating machine : en
  • US2396138A - Thermostat : en
  • GB575830A - Improvements relating to power transmission mechanism : en
  • GB575744A - Improvements in and relating to discharge lamp systems : en
  • FR907278A - Vertical lathe with two longitudinal carriages movable perpendicularly : en fr
  • FR907291A - Double-walled, all-cement house : en fr
  • FR907307A - Improvement in synchronizers for mechanical gearboxes : en fr
  • FR907152A - Darning device : en fr
  • GB575804A - Weft feeding apparatus for weaving looms having stationary weft supplies : en
  • FR907173A - Coincidence range finder, in particular for cameras : en fr
  • FR907272A - Die casting machine with vertical closing mold : en fr
  • GB575791A - Improvements in electric switches of the mercury type : en
  • GB575860A - Improvements in or relating to ammunition and projectiles for bomb-throwers : en
  • US2395818A - Knitting machine : en
  • FR907306A - Foot joint for prosthesis parts : en fr
  • GB575881A - Improvements relating to percussive tools operated by internal combustion of charges : en
  • US2396002A - Welder : en
  • AU131974B2 - Method of executing auxiliary motions on textile machines : en
  • USD144058S - Design for an airplane : en
  • FR907325A - Vasculosis soap : en fr
  • US2395988A - Wrench : en
  • FR907232A - Automatic feeder device : en fr
  • AU1191543A - Suspension for compasses and similar instruments : en
  • US2395950A - Slitter mechanism for printing presses : en
  • US2395992A - Mineral-coated printing paper : en
  • US2396080A - Pants guard and reflector : en
  • US2395917A - Method of making blankets : en
  • AU133061B2 - Improvements in or relating to lightning arrestors : en
  • CA433410A - Tandem drive axle : en fr
  • US2395972A - Shock absorbing mechanism : en
  • FR907226A - Cathode for electron tubes : en fr
  • AU128440B2 - Steam generator unit : en
  • AU173946A - Method of and apparatus for spraying counter-electrode alloy on rectifier discs : en
  • AU131664B2 - Improvements in or relating tothe production of thin hollow glass articles such as drinking glasses : en
  • US2395947A - Exhibiting machine : en
  • AU122733B2 - Television system : en
  • AU2499845A - Method and apparatus for moulding cinematographic film : en
  • CA433442A - Sound film drive mechanism : en fr
  • US2396184A - Carrier for revolver loaders : en
  • CA433463A - Stoker apparatus : en fr
  • AU131483B2 - Improvements in or relating to voice frequency signalling apparatus : en
  • AU148446A - Improvements in or relating to electron discharge apparatus : en
  • CA433404A - Methyl glycerol production : en fr
  • CA433329A - Issued ticket controlling method and apparatus : en fr
  • CA433398A - Machine tool tracer regulator : en fr
  • FR53514E - Improvements to zipper teeth and their manufacture : en fr
  • GB575801A - Improvements in destructible forms particularly for the manufacture of fuel tanks and other articles : en
  • FR907332A - Process for obtaining crepe-like effects on yarns : en fr
  • AU173246A - Improvements in or relating tothe treatment of metal surfaces : en
  • FR907321A - Armchair with vertical coil spring suspension : en fr
  • CA433352A - Hydraulic barker : en fr
  • CA433411A - Transmission coupling : en fr
  • FR907205A - New handbag : en fr
  • US2396116A - Cabin pressure control : en
  • CA433418A - Grinding apparatus : en fr
  • CA433336A - Wheel structure : en fr
  • AU188746A - Improvements in or relating tothe production of thin hollow glass articles such as drinking glasses : en
  • CA433394A - Contactor latching device : en fr
  • US2395891A - Yarn package : en
  • FR907269A - Electric heater more particularly intended for warming baby bottles : en fr
  • FR907216A - Method of assembling regular geometric solids, by anchors, and its applications : en fr
  • FR53532E - Suction air filter for internal combustion engines : en fr
  • FR907157A - Cross-frame direction finder : en fr
  • CA433369A - Distributor : en fr
  • US2395904A - Method of and mechanism for braking heavy-duty automtive vehicles : en
  • US2396025A - Outlet arrangement : en
  • GB575817A - Improvements in fittings of fluorescent electric lamps : en
  • US2395809A - Rocket directing apparatus : en
  • US2396022A - Seat : en
  • GB575752A - Improvements in or relating to liquids comprising silicyl esters : en
  • US2396064A - Ignition or firing mechanism : en
  • USD144041S - Design for a container cap : en
  • USD144063S - Design for a vacuum cleaner casing : en
  • US2395934A - Esters and process of producing same : en
  • FR907202A - Method of constructing walls and building elements for the application of this method : en fr
  • FR907324A - New pedal for cycles or other vehicles with crank-side cup ball bearing dust cover : en fr
  • GB575866A - Improvements in envelopes : en
  • US2395837A - Golf club and method of manufacturing the same : en
  • US2396081A - Method of rolling cylindrical work stock : en
  • USRE22728E - Control surface boost device and gust dampener : en
  • US2395994A - Rotary sleevy valve for internatlcombusation engines : en
  • US2396021A - Golf club head protector : en
  • US2396205A - Controlling means : en
  • GB575828A - Improvements in or relating to lubricating oil compositions : en
  • AU121064B2 - Method of terminating the metal braid-sheathing of wire to expose the wire : en
  • CA433373A - Heated workpiece quenching apparatus : en fr
  • FR907267A - Slicing machine for slicing meat, equipped with a rotating circular knife and a mobile sharpening device for the knife : en fr
  • GB575863A - A new or improved method of gear finishing : en
  • FR907184A - Control device for the orientation of the blades of marine propellers : en fr
  • FR907193A - Retractable support for applying false eyelashes one by one : en fr
  • US2396062A - Fastening device : en
  • US2396109A - Treating hydrocarbon fluids : en
  • GB575787A - Improvements in reflectors of electric light fittings : en
  • GB575844A - Delivering measured quantities of liquids : en
  • GB575850A - Balancing devices for radial cylinder engines : en
  • FR907336A - movable elements for electric fireplaces : en fr
  • US2396013A - Insect repellent compositions : en
  • FR907165A - Arrangement of a chimney thermostat : en fr
  • FR907323A - Kitchen table allowing by its constructive provisions to be used for the main culinary preparations : en fr
  • FR53515E - Method for obtaining images using silver halide : en fr
  • FR907259A - Process for the construction of floors and ceilings using prefabricated elements : en fr
  • US2396020A - Meat perforator : en
  • FR53510E - Method and device for automatic electric arc welding with coated electrodes : en fr
  • FR907347A - Device for sawing stones : en fr
  • US2396149A - Variable speed hydraulic coupling : en
  • GB575798A - Construction of aircraft runways, roads, floors and like surfaces, and manufacture of water-repellent materials therefor : en
  • CA433474A - Luminescent substance : en fr
  • CA433351A - Power-transmission mechanism : en fr
  • CA433432A - Hose clamp : en fr
  • FR53516E - Method and device for switching gear changes with toothed gears : en fr
  • US2396108A - Metalworking press : en
  • FR907295A - Mobile screen for light projections : en fr
  • GB575839A - Improvements relating to domestic cooking utensils and kettles : en
  • CA433417A - Field switch : en fr
  • CA433452A - Fibrous board separation facilitating method : en fr
  • FR907185A - Pasteur cooking pot : en fr
  • US2396034A - Extensible ladder : en
  • US2396059A - Flexible tube : en
  • US2396219A - Luminescent marking material : en
  • USD144067S - Design for an airplane or similar article : en
  • US2395842A - Gas absorbent material and process of making the same : en
  • US2396018A - Piston construction : en
  • AU136146A - Improvements in and relating to nozzles for using pressure under T liquids : en
  • CA433413A - Knitting machine yarn binder : en fr
  • CA433403A - Black glass : en fr
  • CA433385A - Circuit breaker : en fr
  • US2396169A - Zigzag stitching machine : en
  • AU1367344A - Improved tractor for agricultural and horticultural purposes adaptable also for other uses : en
  • CA433367A - Textile product : en fr
  • AU133271B2 - Improvements in or relating to electron discharge apparatus : en
  • CA433434A - Resistor : en fr
  • CA433471A - Fluid seal and cooling means : en fr
  • AU1218443A - Method of terminating the metal braid-sheathing of wire to expose the wire : en
  • US2395911A - Piston and guide structure for engines of the reciprocating piston type : en
  • US2396055A - Piston expander : en
  • US2396091A - Remote control system by variable frequency signals : en
  • US2396190A - Purification of submarine atmospheres : en
  • US2396097A - Sugar amine compounds : en
  • GB575788A - Spring mounting and assembly for snap-action electric switches : en
  • CA433395A - Fabric cleaning apparatus : en fr
  • CA433466A - Self-feeding power driven screw driver : en fr
  • CA14506S - Spectacle frame : en
  • US2396093A - Draft connection : en
  • US2396077A - Automatic telephone system : en
  • US2395998A - Spot lamp : en
  • USD144088S - Design for a cigarette container : en
  • USD144045S - Design for a desk : en
  • USRE22730E - Cable : en
  • GB575871A - Improved apparatus for teaching optics : en
  • US2395804A - Record bearing document : en
  • US2396019A - Insecticides : en
  • FR907250A - Further training in machines and devices producing electricity or energy in a different form : en fr
  • FR907328A - Cellulose-based thermal and sound insulating coating : en fr
  • GB575890A - Improvements in or relating to dust-proof electric lighting installations : en
  • FR907320A - Granite paint and its manufacturing and application processes : en fr
  • USD144031S - Kitchen cabinet : en
  • CA433396A - Circuit interrupter : en fr
  • US2396056A - Compensating device : en
  • DK64330C - Hook closure. : da en
  • FR907271A - Autonomous controlled release device for die-casting machines : en fr
  • US2395865A - Method and apparatus for marking molded building blocks : en
  • FR53540E - Lightening devices : en fr
  • AU121053B2 - Improvements in or relating tothe production of polyamides : en
  • GB575758A - Improvements in or relating to diamond or like tools : en
  • FR53531E - Manufacturing process for bituminous masses : en fr
  • US2396070A - Scaffold : en
  • US2396073A - Tank : en
  • US2396087A - Embedded resistance unit : en
  • US2396200A - Fluid heater : en
  • DK64324C - Radio Transmission Systems for the Generation of Beams. : da en
  • GB575864A - Electric lamp holders : en
  • DK64326C - Optical System, which contains a Correction Element for Correction of the Spherical Aberration. : da en
  • FR907319A - Turbo diffuser : en fr
  • GB575735A - Improvements in or relating to the construction of the hulls of ships, aircraft, tanks, and the like : en
  • US2396130A - Air jet propelled helicopter : en
  • GB575833A - Improvements relating to indexed books and the like : en
  • FR907225A - Nautical thruster : en fr
  • GB575805A - Improvements in and relating to piezo-electric crystals : en
  • FR907191A - Device for holding rings, bracelets and the like : en fr
  • GB575869A - Improvements in or relating to devices for delivering measured or predetermined quantities of liquid : en
  • USD144036S - Design fok a suit : en
  • AU146146A - Improvements in liquid or lubricant distributing means : en
  • US2395982A - Pallet : en
  • US2395888A - Shaft restraining device : en
  • US2396007A - Portable electric drill : en
  • CA433426A - Hose connector : en fr
  • US2396051A - Coating compositions : en
  • GB575780A - Submerged resistor type induction furnace for melting metals : en
  • AU130161B2 - Manufacture of pile fabrics, in particular the manufacture of carpets rugs, plushes and similar articles : en
  • US2395976A - Tractor fuel and process of making same : en
  • FR53509E - High-lift safety valve for steam boilers : en fr
  • FR907214A - Improvements to the earrings : en fr
  • FR907270A - Combustion engine : en fr
  • FR907309A - Electric igniter : en fr
  • GB575742A - Improvements in or relating to electrodes for spot welding : en
  • US2396182A - Tube bending machine : en
  • FR907253A - Photosensitive layers for diazotype : en fr
  • FR907176A - Self-cleaning rinser : en fr
  • US2396032A - Boiler : en
  • FR907189A - Light amplifier : en fr
  • US2395873A - Vapor generator : en
  • FR907240A - Rail current circuit breaker : en fr
  • US2396151A - Tie rod coupling : en
  • FR907209A - Installation of gas turbines : en fr
  • GB575823A - Improvements in and relating to electric switches with electrodynamically-reinforcedcontact : en
  • FR53533E - Corpuscular ray apparatus : en fr
  • FR907228A - Improvements to piles or the like : en fr
  • FR907158A - Equipment for automatic lifting, in particular for aircraft : en fr
  • GB575736A - Improvements in the preservation of rubber compositions : en
  • US2395935A - Stuffing box packing : en
  • USD144030S - Broadbent kitchen cabinet : en
  • FR907207A - Electrical apparatus comprising a support provided with a poor conductive coating : en fr
  • US2395946A - Mechanism for actuating machine tool supports : en
  • US2396158A - Uniform insignia : en
  • US2395959A - Process for obtaining butadiene in a more concentrated form : en
  • US2395993A - Reinforced resilient shoe heel : en
  • CA433368A - Telephone system : en fr
  • US2395930A - Process for reacting ketene and hydrocyanic acid : en
  • US2395969A - Valve control mechanism : en
  • US2396167A - Electron discharge device : en
  • US2396110A - Method of forming flanges on breeches piece or the like : en
  • US2396026A - Awning : en
  • US2396096A - Ultra short wave communication : en
  • FR907246A - Instrument for determining the full operation of a machine and the efficiency required in lathe work : en fr
  • FR907230A - Carrier wave transmission systems : en fr
  • GB575792A - Improvements in overspeed preventing mechanism for electric motors : en
  • US2396185A - Machine for development of power in a certain direction : en
  • GB575829A - Improvements in or relating to the reactivation of catalysts : en
  • CA14514S - Strainer : en
  • US2395913A - Cluster bomb rack : en
  • US2396041A - Resilient mounting for handle bars : en
  • US2395937A - Temperature indicator : en
  • US2395944A - System for the protection of vessels against attack of torpedoes : en
  • CA433348A - Camera focusing attachment : en fr
  • US2395847A - Piston : en
  • US2396083A - Variable volute chamber centrifugal pump : en
  • US2396065A - Brooder : en
  • USD144049S - Design for a suit : en
  • USD144085S - Design for a shelf bracket : en
  • US2395887A - Automatic switch-over signal for telephones : en
  • US2395826A - Preparation of chlorofluorosilanes : en
  • US2395909A - Stack releasing device for motor vehicles : en
  • GB575874A - Improvements in or relating to the liquid pressure operation of machine tools : en
  • FR53549E - Economical chemical treatment process for manganese ores : en fr
  • FR907241A - Manufacturing process of metal cable sheaths : en fr
  • US2395901A - Manufacture of polymers : en
  • US2395900A - Process for degreasing of animal bones : en
  • US2395868A - Gas heating burner : en
  • US2396057A - Mill : en
  • US2396192A - Dental instrument lubricant : en
  • US2396197A - Apparatus for controlling the release of bombs from aircraft : en
  • US2395962A - Constant velocity joint : en
  • USD144048S - Design for a suit : en
  • CA433349A - Lift truck : en fr
  • CA433400A - Electrical resistor : en fr
  • FR907249A - Animated poster : en fr
  • FR907194A - isothermal element : en fr
  • US2396122A - Oven vent construction : en
  • CA433339A - Wheel structure : en fr
  • CA433407A - Parasiticidal composition : en fr
  • FR907292A - Process for directly manufacturing fuel or fuel containing acetylene : en fr
  • GB575756A - Production of halo-fluoro derivatives of aliphatic hydrocarbons : en
  • GB575877A - Improvements in or relating to filters, particularly for vacuum cleaners : en
  • AU1311444A - Improvements in and relating to jointing and construction of air ducts andother prefabricated structures : en
  • AU185346A - Improvements in or relating to compound dielectric materials : en
  • AU132348B2 - Improvements in or relating to arc welding : en
  • CA433402A - Valve for can filling machines : en fr
  • US2396104A - Automatic cutoff roll : en
  • GB575816A - An improved process for the production of composite wood material : en
  • FR907181A - Method and device for checking the operation of injection pumps, in particular in internal combustion engines : en fr
  • US2396033A - Cooling system : en
  • US2396084A - Piston : en
  • CA433420A - Cellulosic product : en fr
  • FR53522E - Transportable starter device for starting internal combustion engines and the like : en fr
  • CA433423A - Stabilizer : en fr
  • CA433340A - Drill bit sharpening and gauging mechanism : en fr
  • US2396216A - Method for making air-cooled cylinders : en
  • CA433383A - Tone and volume control means : en fr
  • CA433378A - Silencer : en fr
  • US2396131A - Bus bar support : en
  • US2396207A - Lens mounting for gas masks and the like : en
  • US2396017A - Apparatus for instruction in the use of firearms : en
  • US2395974A - Control system : en
  • US2395827A - Airplane spray unit : en
  • US2396047A - Punch press clutch : en
  • AU132429B2 - Improvements in or relating tothe treatment of metal surfaces : en
  • US2395987A - Process for forming a fibrous rubber base : en
  • AU131856B2 - Improvements in ultrahigh frequency oscillation generator : en
  • CA433441A - Electric welder : en fr
  • US2395856A - Preparation of crystalline materials : en
  • US2395971A - Detergent cx : en
  • US2396082A - Riveting or fastening mechanism : en
  • AU1332044A - Manufacture of vinyl halides and like compounds : en
  • FR907329A - Planing tool and in particular tool with rotary knurls : en fr
  • GR10599B - ENGINE BASED ON THE CENTRAL POWER CENTER. : el en
  • USD144079S - Design fob a clothespin : en
  • US2396164A - Domestic appliance : en
  • US2396143A - Cargo crane : en
  • US2396175A - Transmission system : en
  • US2396204A - Nebulizer : en
  • GB575803A - Art of raising sunken vessels : en
  • FR907343A - Improvements to hose clamps : en fr
  • AU130574B2 - Frequency divider and discriminator circuit : en
  • US2395829A - Production of styrene compounds by pyrolysis : en
  • US2395860A - Preparation of crystalline materials : en
  • CA433440A - Light polarizing image forming process : en fr
  • US2396135A - Electromagnetic device : en
  • US2395997A - Air-inlet scoop for carburetors : en
  • GB575733A - Improvements in and relating to the production of nitro-paraffins : en
  • US2396037A - Double-acting check valve : en
  • US2395803A - Indexing mechanism : en
  • US2396043A - Dispensing apparatus : en
  • US2395817A - Knitting machine : en
  • US2395823A - Knitting machine : en
  • FR53529E - Safety device for gas heating systems : en fr
  • GB575878A - Improvements in driving arrangements in spinning and twisting machines : en
  • FR53517E - Lubrication and oiling holes for pins, hinges and hinges : en fr
  • CA433393A - Generator and power plant : en fr
  • AU121075B2 - Improvements in and relating to jointing and construction of air ducts andother prefabricated structures : en
  • US2395924A - Card selector machine : en
  • AU1397144A - Method of making flexible tubes : en
  • US2395867A - Propeller : en
  • US2395882A - Steering brake : en
  • AU131095B2 - Method of and apparatus for spraying counter-electrode alloy on rectifier discs : en
  • CA433435A - Electric furnace and melting method : en fr
  • US2395903A - Coating machine : en
  • US2396076A - Preparation of trifluoro acetic acid : en
  • CA433431A - Antifoaming composition : en fr
  • US2396035A - Stopper : en
  • GR10598B - MOVING INSTRUMENTS FOR USE OF TEACHING AND STUDY. : el en
  • USD144051S - Brooch or similar article : en
  • GB575847A - Improvements in or relating to boiler furnaces : en
  • AU129727B2 - Cinematographic Rims anda method forthe making of same : en
  • US2395936A - Posture correcting device : en
  • US2396113A - Ear protector : en
  • AU121081B2 - Improvements in or relating to hydraulically operated driving apparatus for chains, conveyors and the like : en
  • AU129622B2 - Improvements relating to mountings for electrical contacts : en
  • CA433430A - Hydro-turbine pump : en fr
  • CA433414A - Wheat flour treating method : en fr
  • AU133670B2 - Improvements in pipe couplings andthe like : en
  • AU130927B2 - Improvements in liquid or lubricant distributing means : en
  • AU170846A - Surface treatment of articles ina gaseous atmosphere : en
  • AU130529B2 - Improvements in or relating to aircraft : en
  • US2396214A - Locket construction : en
  • US2395952A - Diamond holder or dop for holding diamonds : en
  • AU128549B2 - Improvements in or relating to compound dielectric materials : en
  • FR907268A - Electrical apparatus, in particular radio-electric, comprising a certain number of control members : en fr
  • FR53534E - Azo dyes and their preparation process : en fr
  • US2395839A - Evaporator unit : en
  • CA433409A - Yarn winding machine : en fr
  • FR907317A - Precision device. - dial gauge for setting boring bar tools : en fr
  • FR907237A - Automatic release for toy trains : en fr
  • FR907263A - New application of known means to obtain fertilization of the earth : en fr
  • FR907342A - Improvements to refloating floats : en fr
  • FR907274A - Luggage rack : en fr
  • GB575794A - Improvements in and relating to refrigerators : en
  • GB575868A - Improvements in pencil leads and the like graphite marking elements : en
  • FR907290A - Improvements to aeromotors : en fr
  • IE17841L - Multichannel transmission : en
  • AU121055B2 - Improved cigarette case : en
  • AU121080B2 - Method of making flexible tubes : en
  • CA433447A - Hydrocarbon production from iso- and normal butanes : en fr
  • USD144017S - Cedar chest or similar article : en
  • FR907256A - Improvements to hydraulic stops : en fr
  • FR907182A - Improvements to washing and pinning machines for bottles and other similar containers : en fr
  • US2396125A - Simulated patent leather : en
  • US2396186A - Tire ply turndown mechanism : en
  • US2395958A - Process for purifying pentadiene : en
  • FR907238A - Photographic and heliographic printing machine : en fr
  • FR907265A - Vaporizer mount : en fr
  • US2395986A - Half-tone drop-out process : en
  • US2396042A - Pressing apparatus : en
  • DK64328C - Gas turbine whose turbine wheels are unilaterally mounted. : da en
  • US2396187A - Electric recorder : en
  • GB575731A - A relay responsive to sound waves : en
  • GB575802A - Self-locking nuts : en
  • FR53550E - Improvements to foam extinguishers : en fr
  • DK64327C - Blackboard for Bihuse. : da en
  • GB575836A - Improvements in and relating to air cleaning devices : en
  • US2395979A - Torque amplifier : en
  • CA433372A - Fuel charge forming device : en fr
  • GB575815A - Improvements in safety devices for radial flow elastic fluid turbines : en
  • GB575888A - Improvements relating to electrical contacts and methods of producing them : en
  • US2395885A - Switch : en
  • FR907248A - System of extensible construction of reinforced concrete or other : en fr
  • CA433328A - Soil treatment implement : en fr
  • FR907299A - Gearshift control device for cycles and other similar vehicles by means of a rotating handle with an internal snap : en fr
  • US2395928A - Radio altimeter : en
  • FR907260A - Spacer wall : en fr
  • US2396168A - Collapsible box : en
  • FR53505E - Gas tank for the methane fermentation of manure and other similar materials : en fr
  • GB575766A - Improvements in and relating to the production of aromatic bodies : en
  • GB575755A - Improvements relating to fuel feed chambers for the carburetters of internal combustion engines : en
  • US2395821A - Knitting machine : en
  • US2396074A - Propellant powders containing pelargonic esters : en
  • FR907236A - Building system : en fr
  • GB575799A - Improvements in and relating to rotary stud fasteners : en
  • CA433375A - Weighing apparatus : en fr
  • CA433405A - Paper cup making machine : en fr
  • GB575813A - Improvements in and relating to domestic fireplaces : en
  • US2396141A - Radio direction finding and indicating apparatus : en
  • FR907163A - Process for manufacturing high voltage ozone refractory cables or conductors : en fr
  • GB575751A - Improvements in or relating to friction lighter devices : en
  • FR907284A - Furnace for electrolytic refining of aluminum : en fr
  • FR907314A - Process for obtaining food materials and condiments endowed with a high assimilation power : en fr
  • USD144071S - Design fob a fish lure body : en
  • CA433334A - Wheel structure : en fr
  • US2395943A - Fluid temperature controlling device : en
  • US2395824A - Power transmission pump or motor : en
  • USD144029S - Design for a kitchen cabinet : en
  • GB575775A - Improvements in or relating to cycle frames or the like : en
  • GB575873A - Improvements in or relating to expanded plastics : en
  • FR907179A - Tail for balloons : en fr
  • GB575832A - Improvements in dart holders : en
  • FR907280A - Pyrophoric lighter : en fr
  • GB575820A - Improved means for sharpening razor blades : en
  • FR53524E - Improvements to gasifiers : en fr
  • FR53536E - Improvements in the manufacture of sliding devices : en fr
  • FR907242A - Cable with thin lead sheath : en fr
  • GB575750A - Improvements in claw film feed mechanism : en
  • GB575859A - An improved planishing device for tubes or pipes : en
  • AU132462B2 - Door trim : en
  • FR53507E - Method and arrangement for the manufacture of two-sided cast-coated support bodies with sliding bearing metal : en fr
  • FR907311A - Advanced bra : en fr
  • GB575834A - Improvements in or relating to setting compositions : en
  • GB575759A - Improvements in leading-through insulators : en
  • US2396129A - Plasticizers and method of making the same : en
  • USD144019S - Altman airplane : en
  • GB575784A - Improvements in hose reels : en
  • GB575806A - Improvements in and relating to the feeding of tobacco for cigarette making machines : en
  • GB575746A - A collapsible and portable heating device : en
  • GB575821A - Improvements in or relating to excavating machines : en
  • FR907287A - Distributor rotary piston heat engine : en fr
  • GB575814A - Improvements relating to tubular heat exchangers : en
  • US2395838A - Gyro-horizon training device : en
  • FR907195A - Central office automatic telephone system and similar communication systems : en fr
  • FR907251A - Angling utensil : en fr
  • US2395948A - Internal-combustion engine : en
  • FI21174A - Restrictions on the use of materials other than those derived from the genus : en fi
  • GB575777A - An improved device for use in washing clothes : en
  • US2395990A - Lock hook : en
  • US2396107A - Loading machine : en
  • US2396146A - Flame contact unit for burner control systems : en
  • USD144059S - Deck house : en
  • USD144081S - Stanley rotative winged aircraft : en
  • US2395897A - Pinking shears : en
  • US2395800A - Method for the preparation of 1,3-diketones : en
  • AU1398044A - Improvements in electric switches suitable for operation bythe passage of road vehicles : en
  • US2395906A - Antisiphonic plumbing unit : en
  • FR53513E - Method for obtaining images using silver halide : en fr
  • FR907341A - Method and product for the treatment of dyed fabric pieces and other applications : en fr
  • US2395819A - Knitting machine : en
  • US2395957A - Process for concentrating unsaturated hydrocarbon material : en
  • US2395876A - Chemical process : en
  • US2395932A - Reverage dispensing apparatus : en
  • USD144084S - Design foe a hand mirror : en
  • FR907281A - Pocket lighter cover mechanism : en fr
  • GB575818A - A combined table top and fret for domestic fire grates : en
  • US2395832A - Method of forming sheet metal : en
  • US2395870A - Impedance switching device : en
  • FR907264A - Dust filter for sanders : en fr
  • AU128824B2 - Method and apparatus for moulding cinematographic film : en
  • AU173846A - Improvements in or relating to voice frequency signalling apparatus : en
  • US2396060A - Radio shielding means : en
  • USD144065S - Pad en armchair : en
  • GB575810A - Improvements in means for the suspension of pendant electric light fittings : en
  • FR907210A - Electric bath : en fr
  • GB575739A - An adjustable impedance device for use in wave guides : en
  • FR907155A - Animal feed vending machine : en fr
  • GB575773A - Improvements in or relating to the adhesive bonding of surfaces and adhesive compositions (and processes of preparing the same) suitable for use therein : en
  • FR907186A - Manufacturing process of spade forks : en fr
  • GB575858A - Improvements relating to compressed air braking systems : en
  • CA433355A - Power clutch for cream separators : en fr
  • US2395886A - Method of filling confined spaces associated with electric apparatus : en
  • US2395981A - Knotting board : en
  • US2396050A - Process for preserving paint in storage : en
  • US2396118A - Leather piston holster : en
  • US2396172A - Testing device : en
  • CA433380A - Metallic coating : en fr
  • US2395828A - Photographic roll film camera : en
  • US2395854A - Flight path controller : en
  • CA433454A - Booster pump and motor assembly : en fr
  • USD144040S - Baby carrier or similar article : en
  • AU183546A - Improvements in or relating to automatic switches for use in telephone or like systems : en
  • US2395806A - Refining hydrocarbons : en
  • FR907234A - Dilatometer : en fr
  • US2396067A - Preparation of 2-aminopyrazine : en
  • GB575886A - Current transformer for very high voltage : en
  • AU2348945A - Steam generator unit : en
  • CA433429A - Engine control : en fr
  • CA433366A - Metal working apparatus : en fr
  • CA433462A - Separator : en fr
  • AU173046A - Improvements in or relating to thermal evaporation of metals ina vacuum : en
  • AU175646A - Improvements in or relating to arc welding : en
  • US2396128A - Driving mechanism for machine tables : en
  • US2396193A - Preparation of melamine : en
  • USD144082S - Design for a radio cabinet : en
  • CA433421A - Flat knitting machine fabric widening method : en fr
  • GB575741A - Improvements relating to work holders for use on machine tools : en
  • CA433361A - Relay moulded insulation : en fr
  • AU121057B2 - Separation of gold, tin or other metals from alluvium : en
  • FR907196A - Swing with automatic progressive rise and rapid descent : en fr
  • CA433419A - Lectern : en fr
  • US2396036A - Shale distillation : en
  • CA433331A - Pyrophoric lighter : en fr
  • CA433406A - Metal stock cutting apparatus : en fr
  • USD144032S - Design for a kitchen cabinet : en
  • US2396160A - Service ribbon bar : en
  • US2395984A - Condensing motor : en
  • GB575846A - Improvements in or relating to printing mechanisms : en
  • USD144039S - Design fob a piano case : en
  • CA433449A - Weed killer : en fr
  • CA433425A - Winding machine unreeling device : en fr
  • US2395919A - Auxiliary power plant for airplanes : en
  • US2396066A - Preparation of 2-chloropyrazine : en
  • US2396103A - Jack construction : en
  • US2396114A - Lighter flint : en
  • US2396099A - Electrical resistance and method of producing same : en
  • US2395812A - Polymers of 1-carbalkoxybutadienes-1,3 and process of making same : en
  • US2395875A - Dehydrogenation of hydrocarbons : en
  • US2395905A - Electromagnetic friction device : en
  • GB575854A - Improvements in air-blast electric circuit breakers : en
  • US2395845A - Hydraulic log-barking machine : en
  • US2396134A - Remote control system : en
  • FR907301A - Folding camera shutter release device : en fr
  • GB575825A - Improvements in tube couplings : en
  • CA433350A - Paper stock finishing method : en fr
  • FR907333A - Improvements to combiners for control of switches and railway signals : en fr
  • FR907245A - Method of sealing a metal sheet in glass and in particular in quartz : en fr
  • GB575862A - Improvement in fuel injection apparatus : en
  • GB575740A - Improvements in locks and combined locks and latches for use with windows or doors : en
  • US2396100A - Electric contact : en
  • USD144052S - Goldstein etal brooch or similar article : en
  • GB575767A - Improvements in or relating to the adhesive bonding of surfaces and adhesive compositions (and processes of preparing the same) suitable for use therein : en
  • GB575763A - Improvements in or relating to machines for moulding glass bottles and like vessels : en
  • FR907212A - Improvement to the game known as Diabolo : en fr
  • GB575822A - Improvements in and relating to electric brake systems : en
  • FR53525E - Gas lighter : en fr
  • US2395907A - Manufacture of sirup : en
  • CA433333A - Electrode clamp : en fr
  • GB575842A - An improved means for supporting a skein of wool or the like which is to be wound into a ball or on to a reel : en
  • FR907235A - Improvements to the use of tracks on liquids and soft materials : en fr
  • US2396008A - Method of producing loose-leaf bindera : en
  • GB575734A - Improvements in or relating to moulds for casting of metals or metal alloys : en
  • US2395796A - allison : en
  • FR907192A - Direct flow, electrode water heater : en fr
  • US2395910A - Machine and method for grinding hobs and the like : en
  • US2395918A - Fuel manifolding means for radial cylinder engines : en
  • US2395970A - Apparatus for exposing and developing films : en
  • GB575747A - Improvements relating to cathode ray bulbs : en
  • US2395840A - Detachable cover : en
  • US2395851A - Apparatus for measuring highfrequency voltages : en
  • USD144070S - Design for a cooking stove : en
  • FR907187A - Insect trap : en fr
  • US2395799A - Machine for reinforcement of flexible webs : en
  • US2395805A - Wrench : en
  • US2396117A - Garment : en
  • AU188446A - Scanning systems : en
  • GB575870A - Improvements in or relating to incubators : en
  • FR53523E - New reinforced concrete floor system : en fr
  • FR53541E - Nursery bra : en fr
  • FR907204A - Improvements to fuel burners : en fr
  • GB575867A - Improvements in coloured marking leads or elements : en
  • FR907275A - Improvements to saw frames : en fr
  • GB575781A - Improvements relating to desuperheating steam : en
  • US2395890A - Winding machine : en
  • US2395920A - Method and apparatus for producing porous articles : en
  • CA433415A - Meat mould : en fr
  • FR907229A - High pressure liquid fuel injection pump : en fr
  • CA433453A - Fluid flow regulating means : en fr
  • US2396003A - Bottle carrier : en
  • CA433347A - Internal combustion engine : en fr
  • AU167646A - Anode for electron flow device : en
  • AU1328644A - Improved method and means forthe manufacture of moulded laminates : en
  • US2396029A - Resilient car wheel : en
  • US2396140A - Collapsible container : en
  • US2396038A - Helicopter : en
  • US2396127A - Power-driven scaffold : en
  • AU121059B2 - Manufacture of vinyl halides and like compounds : en
  • CA433461A - Insulating sheet or strip : en fr
  • US2395973A - Pressure control apparatus : en
  • AU1355444A - Improvements in or relating to apparatus for separating sheets froma pile : en
  • US2395843A - Watch : en
  • US2396173A - Process for hydrocarbon conversion : en
  • USD144092S - Zaiser piano : en
  • GB575743A - Improvements in or relating to mechanism for the suspension of bobbins in the creelsof spinning or preparing machines : en
  • CA433472A - Coloured cellulose material : en fr
  • USD144057S - Design for a railway car body : en
  • CA433388A - Circuit breaker : en fr
  • US2395912A - Voltage comparison apparatus : en
  • FR53539E - Improvements in packaging and weighing machines for powdery materials that are difficult to aerate : en fr
  • US2395925A - Coating compositions and method : en
  • US2395945A - Hair curler : en
  • US2396005A - Sealing device : en
  • US2395977A - Spot welding apparatus : en
  • USD144037S - Design for a traffic line marking stud : en
  • FR907153A - Switching device for alternating current, in particular for converters : en fr
  • US2396086A - Attaching means for downspout or conductor pipe : en
  • GB575879A - Improvements in or relating to means for securing electric conductors or the like toa wall or similar supports : en
  • US2396148A - Lifesaving and sporting raft : en
  • FR907315A - Electric heated brist-jet : en fr
  • FR53547E - Manufacturing process of conical sections on extrusion presses : en fr
  • USD144027S - Design for an airplane : en
  • FR907289A - Filtering plant for machine tool coolant : en fr
  • US2396137A - Preloaded joint assembly : en
  • FR907201A - Automatic and continuous speed variator : en fr
  • US2396105A - Laundry machine : en
  • FR907159A - Process for high frequency heat treatment of gear wheels : en fr
  • GB575749A - Improvements relating to the cooling of viscous liquids and to heat-exchange apparatus suitable for use therein : en
  • US2395852A - Aircraft cabin and compartment for high altitude operation : en
  • US2395899A - Swivel connection for aircraft turrets : en
  • US2396174A - Form for the construction of concrete walls, beams, and the like : en
  • CA433456A - Fastening device : en fr
  • GB575785A - Improvements in or relating to ear rings : en
  • US2396202A - Compass : en
  • US2396203A - Gum clamp : en
  • USRE22731E - Synchronizer coupling : en
  • US2396139A - Machine tool table drive : en
  • US2396071A - Apparatus for absorbing shock loads : en
  • DK64322C - Ironing board. : da en
  • US2396210A - Xanthates of hydrolyzed interpolymers : en
  • AU121060B2 - An improved staple forming machine : en
  • FR907223A - High vacuum blade, with heating filament, for high powers : en fr
  • US2395797A - Device for making butter curls or butter rolls : en
  • US2395878A - Method of making bimetallic billets : en
  • US2395855A - Fluid separator : en
  • US2396119A - Safety live line electrical connector : en
  • US2395798A - Traffic control system : en
  • US2396196A - Controllable resistor : en
  • CA433345A - Sliding clasp fastener : en fr
  • AU138046A - Improvements in or relating to aircraft : en
  • US2395941A - Double check unloading valve : en
  • CA433446A - Pile fabric making apparatus : en fr
  • US2396054A - Insecticides : en
  • US2396098A - Thermosetting composition : en
  • GB575738A - Improvements in or relating to means for measuring the thickness of bodies of curvedsection : en
  • FR907224A - Method of braiding by links into separate elements, special cutting, for leather goods, shoes, rugs, etc. : en fr
  • GB575852A - Improvements in or relating to four-stroke internal combustion engines wherein liquid fuel is supplied to the working cylinders : en
  • CA433382A - Divinyl benzene polymer preparation : en fr
  • US2396031A - Pressure carburetor : en
  • CA433391A - Warming pad : en fr
  • US2396085A - Shredding machine : en
  • US2396183A - Control for electric heaters operating in unenclosed space : en
  • USD144026S - Bowers etal airplane : en
  • US2395995A - Vibration-responsive control for cooling tower fans : en
  • US2396052A - Hydraulic device : en
  • US2396222A - Sound receiving system : en
  • CA433364A - Thermal treatment method : en fr
  • CA433464A - Photocell and filter combination : en fr
  • US2395874A - Lasting machine : en
  • AU1151343A - Treating wool andother animal fibres : en
  • US2396195A - Method of making patterns : en
  • AU1399344A - Improvements in or relating to hydraulically operated driving apparatus for chains, conveyors and the like : en
  • AU146746A - Improvements in ultrahigh frequency oscillation generator : en
  • AU2448045A - Cinematographic Rims anda method forthe making of same : en
  • CA433439A - Locking device : en fr
  • US2396220A - Treatment of water to remove silica : en
  • FR907339A - Folding packing box : en fr
  • GB575865A - Abrasive articles and methods of making the same : en
  • US2396016A - Collapsible tube holder : en
  • GB575764A - Improvements in the manufacture of carpets, coverings or the like : en
  • GB575754A - Improvements relating to vices : en
  • GB575882A - Improvements relating to the manufacture of locking washers : en
  • FR907340A - On-the-fly regulator adjustment device : en fr
  • US2395964A - Fuel pump : en
  • US2395908A - Manufacture of full-fashioned hosiery : en
  • US2395996A - Production of a road joint sealing composition : en
  • GB575849A - Improvements in or relating to the application of coatings to workpieces : en
  • FR907327A - Industrial and household soap based on cello-vasculosis : en fr
  • GB575808A - Improvements in or relating to the manufacture of flexible tubes : en
  • USD144056S - Design for a sweater : en
  • FR907330A - Process for the exploitation of soft stones or other mineral substances occurring in compact masses in the ground : en fr
  • GB575891A - A tool bar assembly for agricultural purposes : en
  • US2396162A - Means for flowing wells : en
  • US2395968A - Dishwasher : en
  • FR907305A - Improvements to cutting devices for trailer cables and others : en fr
  • GB575824A - Improvements in or relating to methods of making metal to glass seals : en
  • GB575790A - Improvements in yarn winding machines : en
  • US2395807A - Warp-knitting machine : en
  • USD144090S - Zaiser piano : en
  • CA433344A - Automatic firearm : en fr
  • GB575807A - Improvements in flexible tubes : en
  • US2396095A - Coat construction : en
  • GR10600B - LOCKED SYSTEM OF TRANSPORTATION OF VARIOUS MATERIALS. : el en
  • US2396123A - Fluid conducting swivel joint : en
  • USD144021S - Beck etal airplane : en
  • US2396132A - Cultivator tool : en
  • GB575737A - Improvements in and relating to road building machines : en
  • CA433424A - Joint : en fr
  • US2396106A - Exercising device : en
  • US2396171A - Electrolysis of magnesium chloride fusions : en
  • US2395861A - Transmission line joint : en
  • US2396092A - Parachute : en
  • US2396147A - Cooling system for hydraulically operated machine tools : en
  • USD144062S - Design foe a bracelet or similar article : en
  • US2396063A - Automobile jack : en
  • US2395893A - Locking device : en
  • FR907254A - Cable traction device acting on the wheels of a towed vehicle : en fr
  • GB575782A - Improvements in or relating to connecting clamps for connecting wire loops : en
  • FR907258A - Prefabricated block for all types of constructions : en fr
  • USD144074S - Radio receiver cabinet : en
  • FR53501E - Elastic bandage for all vehicles and in particular for cycles : en fr
  • US2395892A - Float : en
  • USD144069S - Design for a golf bag cart : en
  • FR907337A - Guided vein wind tunnel without wall corrections : en fr
  • AU616642A - Method of and means for spraying metal, thermoplastic materials rubber substitutes andother materials to form adherent coatings : en
  • FR907296A - Tie or slip pocket for regatta : en fr
  • DK64325C - Apparatus for the production of flashes of light for stroboscopic purposes. : da en
  • CA433365A - Braking apparatus : en fr
  • FR907164A - Process for manufacturing sulfuric acid, emulsifiers and asphalt from acidic resins from mineral oil refining : en fr
  • AU131816B2 - Surface treatment of articles ina gaseous atmosphere : en
  • FR907197A - Special installations for new games applicable on billiards : en fr
  • FR907203A - Camera with auxiliary optical system : en fr
  • US2396156A - Stabilization of organic substances : en
  • CA433342A - Deep well drilling apparatus : en fr
  • US2396046A - Flash lamp : en
  • AU133760B2 - Process forthe preparation of phenthiazine derivatives : en
  • FR53535E - Airtight feedthrough of several high voltage conductors through a magneto ignition box : en fr
  • CA433341A - Drill bit chucking means : en fr
  • USD144089S - Design for a bird cage : en
  • CA433384A - Circuit breaker : en fr
  • DK64323C - Coupling for automatic Telephone systems with Zone time counting. : da en
  • CA433377A - Silencer : en fr
  • US2395863A - Cryptographic device : en
  • CA433332A - Safety smoking device : en fr
  • CA433381A - Front operated switch : en fr
  • AU130046A - Drink dispenser : en
  • AU84746A - Improvements in apparatus for concentrating by stratification of particles : en
  • CA433397A - Heat-treating means : en fr
  • US2396078A - Pipe coupling : en
  • US2395833A - Electrolysis switch : en
  • US2396206A - Methylation of olefinic hydrocarbons : en
  • FR907244A - Process for the extraction of high-value phenols and the like from waste water, more predominantly from water from lignite distillation : en fr
  • FR907312A - Process for the separation of delta-4, 5-androstenedionne-3, 17 : en fr
  • GB575856A - Improvements in or relating to apparatus for testing the magnetic properties of materials : en
  • US2396157A - Catalyst regeneration : en
  • FR53543E - Superheterodyne radio receiver with automatic frequency adjustment : en fr
  • GB575769A - Process for the production of aromatic compounds from solvent naphtha : en
  • US2395989A - Quaternary ammonium nitrophenates : en
  • FR907175A - Further training in cameras for microfilms and the like : en fr
  • US2396124A - Sealed bearing lubricator : en
  • GB575887A - Improvements in gas blast high voltage electric circuit breakers : en
  • FR907348A - Improvement of the hinges : en fr
  • GB575883A - Improvements in electric welding apparatus : en
  • US2395963A - Seal for joints : en
  • US2395834A - Drying oven : en
  • US2396163A - Pipe coupling : en
  • US2396152A - Initiating explosive composition : en
  • US2395880A - Chemical processes and products : en
  • US2396053A - Thermostatic oil cooler control : en
  • US2396142A - Fastener assembly : en
  • CA433448A - Olefin polymerization : en fr
  • FR907222A - Turbine : en fr
  • FR907310A - Thread breaker device : en fr
  • US2395927A - Electrical precipitator : en
  • US2395881A - Controlled peaking trasformer : en
  • US2395940A - Stabilizing apparatus : en
  • US2396153A - Brake mechanism : en
  • USD144035S - Design fob a suit : en
  • GB575872A - Improvements in or relating to knee-operated brakes for the spindles of ring spinning, doubling, twisting and like frames : en
  • US2396178A - Hatmaking apparatus and method of operating same : en
  • US2396215A - Thread accumulator for weft replenishing looms : en
  • US2395939A - Electrical apparatus : en
  • US2396044A - Switching device : en
  • AU1391844A - Improvements in or relating to heat exchange devices : en
  • US2395859A - Preparation of crystalline materials : en
  • GB575809A - Improvements in knives for culinary and like purposes : en
  • US2395849A - Electrical control apparatus : en
  • CA433354A - Forming die : en fr
  • USD144077S - Design for a motor scooter : en
  • USD144055S - Design fok a brooch or similar article : en
  • AU121066B2 - Improvements in or relating to apparatus for separating sheets froma pile : en
  • CA433353A - Hydraulic slab barker : en fr
  • GB575861A - Arrangement in gramophone having automatic record-changing mechanism : en
  • US2395967A - Railway car truck : en
  • FR907285A - Adjuster for friction cone clutch : en fr
  • GB575771A - Improvements in and relating to the production of aromatic bodies : en
  • FR907172A - Process for manufacturing curable synthetic resins : en fr
  • AU132299B2 - Two voice-frequency signalling equipment : en
  • AU184546A - Process forthe preparation of phenthiazine derivatives : en
  • FR907183A - Insulating jacket transformer : en fr
  • FR53545E - Superheterodyne radio receiver with automatic frequency adjustment : en fr
  • FR907177A - Improvement in gas purification processes : en fr
  • US2395960A - Air washing means : en
  • US2396120A - Yarn holder for bobbin transfer magazines : en
  • AU130817B2 - Drink dispenser : en
  • AU173146A - An improved apparatus forthe cartographical representation ofthe globe ona plane surface : en
  • AU121074B2 - Treating wool andother animal fibres : en
  • AU121065B2 - Improved method and means forthe manufacture of moulded laminates : en
  • US2395808A - Manifolding assembly : en
  • AU121076B2 - Improvements in or relating tothe acid treatment of metals and to inhibitors therefor : en
  • US2395898A - Pressing device : en
  • US2396189A - Aircraft float : en
  • US2396213A - Sash pulley and mounting therefor : en
  • CA433356A - Hoisting clamp : en fr
  • CA433335A - Wheel structure : en fr
  • CA433473A - Coloured cellulose material : en fr
  • US2396058A - Marking pen : en
  • US2396094A - Record changer : en
  • CA433326A - Wooden dowel-pins polishing machine : en fr
  • CA433450A - Chemical process : en fr
  • CA433469A - Cellulose producing process : en fr
  • AU121068B2 - Improvements in or relating to heat exchange devices : en
  • CA433390A - Circuit breaker : en fr
  • CA433379A - Metallic coating : en fr
  • CA433460A - Flock printing process : en fr
  • US2395879A - Cyanine dyestuffs : en
  • US2395816A - Knitting machine : en
  • US2396111A - Telephone system : en
  • FR907188A - Work control system for handlers and workers : en fr
  • AU121070B2 - Improvements in electric switches suitable for operation bythe passage of road vehicles : en
  • US2396212A - Pneumatic collapsible boat : en
  • US2396115A - Production of mono-calcium citrate : en
  • CA433338A - Wheel and cover : en fr
  • CA433457A - Fastening device : en fr
  • US2396101A - Electrical contact : en
  • GB575776A - A method of and means for the recovery of iron salts and acids from spent iron pickle liquors : en
  • US2395951A - Steam generating system : en
  • AU121052B2 - Improvements in or relating to adhesive-applying apparatus : en
  • FR907156A - Bearing device with crossed frames and goniometer : en fr
  • CA433358A - Window slide projector : en fr
  • US2396049A - Trolley with multicontact head for trackless trolley-fed vehicles : en
  • CA433363A - Paper manufacture : en fr
  • AU126954B2 - Improvements in and relating to nozzles for using pressure under T liquids : en
  • US2395921A - Horizontal reference means for sextants and the like : en
  • CA433443A - A.c. electric circuit breaker : en fr
  • AU121058B2 - Improvements in and relating to tuning arrangements for wireless receivers : en
  • CA433399A - Opposed-angle brushholder : en fr
  • US2395848A - Automatic air conductor : en
  • AU1433044A - Educational music aids : en
  • FR907239A - Rotary pump : en fr
  • CA433427A - Camera projector : en fr
  • US2396144A - Aromatic hydrocarbon alkylation : en
  • US2396223A - Lubricating compositions : en
  • US2396201A - Production of acetyl cyanide : en
  • SE115949C1 - : sv
  • AU112946A - Frequency divider and discriminator circuit : en
  • AU1145543A - Improvements in or relating to adhesive-applying apparatus : en
  • CA433451A - Engine cooling system : en fr
  • US2395922A - Fireproofing coating method and product : en
  • AU121048B2 - Method of and means for spraying metal, thermoplastic materials rubber substitutes andother materials to form adherent coatings : en
  • CA14519S - Lamp : en
  • CA433389A - Switch : en fr
  • USD144038S - Design for a shoe clog : en
  • US2395830A - Means for forming sheet metal : en
  • US2396027A - Bung : en
  • CA433401A - Calcium chromate production : en fr
  • CA433359A - Solenoid valve electro-magnetic actuating mechanism : en fr
  • CA433387A - Circuit breaker : en fr
  • GB575762A - Improvements in or relating to slicing machines : en
  • US2395872A - Air-space insulated conductor : en
  • US2396217A - Addition of alkyl radicals to organic compounds : en
  • CA433370A - Fluent fuel burner : en fr
  • FR907168A - Breathing apparatus for high altitudes : en fr
  • FR907218A - Cellulose sheet embossing and counting machine : en fr
  • GB575826A - Improvements relating to holders for the shipment of lengths of cloth or the like : en
  • US2396010A - Novelty carton : en
  • AU1177643A - Improvements in or relating tothe acid treatment of metals and to inhibitors therefor : en
  • US2396218A - Deep-drawing magnesium-base alloy sheet : en
  • FR53502E - Method for obtaining images using silver halide : en fr
  • FR907219A - Register : en fr
  • GB575811A - Manufacture of nuclear mono- or di-alkylated aromatic acylsulphonamides, and their p-amino derivatives : en
  • US2395811A - Power transmission : en
  • US2396165A - Process for preparing cellulose ester in fiber form : en
  • US2395895A - Method of preparing coating composition : en
  • US2395933A - Drying apparatus : en
  • US2395985A - Half-tone high-light process : en
  • US2396006A - Collet chuck : en
  • FR53530E - Automatic firearm, in particular hand-held firearm : en fr
  • FR907322A - Special decks of cards for reconstruction of moves and automatic game control : en fr
  • GB575779A - Improvements in cable reels : en
  • FR907167A - High frequency band filter : en fr
  • GB575835A - Improvements relating to starting arrangements for electric discharge lamps : en
  • GB575732A - Improvements in and relating to fittings for electric lamps : en
  • USD144025S - Design for an airplane : en
  • US2396198A - Alkylation of hydrocarbons : en
  • AU121078B2 - Improved tractor for agricultural and horticultural purposes adaptable also for other uses : en
  • US2396061A - Projectile case : en
  • USD144034S - Design for an electric fan : en
  • CA433436A - Transmission mechanism : en fr
  • DK64329C - Valve for air rings or air cushions. : da en
  • US2396069A - X-ray inspection of bodies : en
  • US2396150A - Box : en
  • US2395953A - Fluid seal : en
  • USD144054S - Goldstein etal brooch or similar article : en
  • FR53519E - Economical chemical treatment process for manganese ores : en fr
  • GB575797A - Improvements relating to the isomerisation and alkylation of hydrocarbons : en
  • US2395857A - Preparation of crystalline materials : en
  • US2395894A - Coating material for lining cans : en
  • US2395965A - Curling rod for cold permanent waving of hair : en
  • USD144053S - Brooch or similar article : en
  • GB575795A - Improvements in chimney and ventilating shaft tops : en
  • US2396001A - Pull gun : en
  • FR907161A - Apparatus for determining the balancing elements reducing far-end crosstalk by complex couplings between lines of the same direction of propagation : en fr
  • FR907169A - building set elements : en fr
  • GB575772A - Improvements in or relating to pipe joints or couplings : en
  • US2396072A - Telephone system : en
  • CA433362A - Stainless steel : en fr
  • CA433437A - Multiplex telephony system : en fr
  • USD144091S - Zaiser piano : en
  • GB575851A - Improvements in adjustable hearth stands : en
  • CA433416A - Gas generator : en fr
  • AU181546A - Improvements in or relating to lightning arrestors : en
  • GB575831A - Improvements in or relating to detachable cylinder heads of internal combustion engines : en
  • AU131209B2 - An improved apparatus forthe cartographical representation ofthe globe ona plane surface : en
  • US2395883A - Means for projecting images from intermittently advancing film strips : en
  • GB575812A - Ultra-high temperature turbine plant : en
  • US2395884A - Mercury switch : en
  • CA433455A - Pump assembly : en fr
  • FR907170A - Arrangement for handling start-stop signals, in particular for corrective translators : en fr
  • FR907252A - Flexible pipe fitting : en fr
  • FR907266A - Advanced centrifugal brake servo control : en fr
  • US2395938A - Manufacture of sirup : en
  • US2395991A - Mounting of electrodes in electric discharge tubes : en
  • US2396211A - Selective calling signal device : en
  • FR907338A - Removable construction in vibrated reinforced concrete molded in advance : en fr
  • FR907294A - Photographic and heliographic printing device with exactly determined exposure time : en fr
  • US2395866A - Flotation process : en
  • GB575840A - Improvements relating to electric heating elements : en
  • FR53506E - Cable for mobile telecommunications installations with tapered junction pieces of the cable sections with their connecting devices : en fr
  • FR907213A - Description of centerless grinding machine : en fr
  • CA433444A - Electric instrument relay : en fr
  • US2395853A - Bituminous paint composition : en
  • FR907211A - quick safety nut : en fr
  • USD144042S - Design fob a compact : en
  • USD144018S - Altman airplane : en
  • AU128146A - Manufacture of pile fabrics, in particular the manufacture of carpets rugs, plushes and similar articles : en
  • USD144068S - Piotraschke barber s chair : en
  • FR907346A - Auxiliary propulsion device for cycles and other vehicles operated by pedals : en fr
  • GB575757A - Improvements in supports for sheets of paper : en
  • US2396180A - Suture protecting means for surgical stitching instruments : en
  • US2395916A - Telephone system : en
  • FR907344A - Lady's bag with umbrella case : en fr
  • US2395815A - Knitting machine : en
  • US2395813A - Power transmission device : en
  • US2395949A - Vibration-absorbing pad : en
  • GB575765A - Improvements in variable pitch propellers : en
  • USD144064S - Design for a pushcart : en
  • FR53544E - Mineral glues : en fr
  • FR907283A - Manufacturing process of furnaces intended for the electrolytic production of aluminum : en fr
  • IE18085L - Handling apparatus. : en
  • FR907262A - Sun visor with movable opaque shutters : en fr
  • AU130308B2 - Improvements in apparatus for concentrating by stratification of particles : en
  • CA433360A - Soap composition : en fr