• DE590015C - Storage of the front fenders of a motor vehicle : de en
  • DE590077C - Method and device for depositing unvulcanized rubber threads or the like in large lengths : de en
  • DE590146C - Spring-loaded pulling device for trailers of motor vehicles : de en
  • DE589956C - Sighting device for firearms : de en
  • GB403397A - Improvements in or relating to the transmission and reception of sounds and of combined pictures and sounds : en
  • GB403188A - New therapeutically valuable compound of ethylhydrocupreine and process for its manufacture : en
  • AU814832A - Improvements in oilcans : en
  • US1940601A - Vent plug : en
  • FR757085A - Portable coin dispenser : en fr
  • FR757309A - Improvement in percussion systems of rifles : en fr
  • FI15605A - Anordning for lagring av barkningstrummor : en fi
  • US1940253A - Carburetor : en
  • CA338054A - Phonograph : en fr
  • US1939973A - Gelatinized starch product : en
  • FR757139A - Improvements in sportswear for women, such as those for the bath, for the beach, etc. : en fr
  • DE590012C - Connection of the support leaf spring to the frame by means of links, especially for motor vehicles : de en
  • DE590078C - Procedure for registering movements : de en
  • US1939916A - Temperature regulation : en
  • US1939979A - Lubricating oil : en
  • US1940352A - Process for treating powdered coal : en
  • GB403180A - Improvements relating to air compressors : en
  • FR757043A - Automatic feeder for pigs or other animals : en fr
  • US1939770A - Pipe forming machine : en
  • CA338028A - Electric oscillation generator : en fr
  • GB403132A - Improvements in supporting and operating steering wheels of motor vehicles : en
  • GB403219A - Improved powder box : en
  • DE590110C - Device for changing the firing height of mounted firearms : de en
  • FR757198A - Rolling door filing device : en fr
  • GB403342A - Improvements in and relating to fusion welding : en
  • FR757292A - Improvements to sifting machines for flour or other granular or powdered materials : en fr
  • GB403151A - Improvements relating to the manufacture of transmission belting or the like : en
  • DE589911C - Jig for pipes or the like to be welded in the longitudinal seam. : de en
  • FR757278A - Removable and transportable house completely in steel : en fr
  • FR757049A - Furniture made of elastic materials and can be grouped in piles : en fr
  • GB403294A - Steel casement window frame : en
  • DE589966C - Process for drying wet-cleaned SO gases : de en
  • DE590092C - Swiveling one-armed support arm for spindles of spinning, twisting and similar textile machines : de en
  • US1940196A - Dust extractor : en
  • US1939749A - Production of negative for offset printing plates : en
  • US1940603A - Vending machine : en
  • USD91191S - Design fob a toy : en
  • FR757257A - Process for manufacturing saw blades and blades obtained by this process : en fr
  • DE590014C - Metal bead strip for intermediate hoods of motor vehicles : de en
  • FR757041A - Method and apparatus for drying hair : en fr
  • US1939795A - Method of making chromium steel : en
  • US1940460A - Automatic phonograph : en
  • GB403389A - Improvements relating to seatings, packings and spindle connections for ball type valves and the like : en
  • US1940086A - Interlocking joint for sectional construction : en
  • DE589786C - Rotary piston machine with liquid piston : de en
  • DE589907C - Lathe for processing square, pyramidal workpieces with rounded edges : de en
  • DE589918C - Device for maintaining the brake pressure with hydraulic brakes : de en
  • GB403359A - Improvements in or relating to sports grounds, promenades and the like : en
  • FR757342A - Process for the manufacture of sulfated ammonium nitrogenate : en fr
  • FR757124A - Antioxidants : en fr
  • FR757072A - Improvement in fluid-controlled regulating devices : en fr
  • US1940574A - Welding rod : en
  • US1940650A - Process for the improvement of hydrocarbon oils by treatment with hydrogen under elevated temperature and pressure : en
  • DK48153C - Advertising device. : da en
  • GB403679A - Improvements in or relating to hydraulic apparatus, particularly for vehicle braking systems : en
  • FR757154A - Automatic shaving brush for the beard : en fr
  • GB403306A - Improvements in or relating to tools for truing or refacing grinding discs intended especially for grinding spline-shafts : en
  • FR756927A - Rangefinder with invariable tilt of the observer's gaze direction : en fr
  • GB403173A - Improvements in or relating to rolling shutters : en
  • GB403378A - Improvements in and relating to electrical speed governors : en
  • US1940536A - Static eliminator and printed sheet floating device : en
  • FR757135A - Water catchment process : en fr
  • FR757077A - Closing device for dropper bottles or other similar applications : en fr
  • FR757214A - Process for the preparation of cellulosic derivatives such as artificial silk, films, paints, ribbons and the like of fibrous materials of all kinds : en fr
  • GB403135A - Improvements in or relating to automatic shuttle-changing mechanism for looms : en
  • US1939911A - Angle cock device : en
  • US1940031A - Process of treating cheese : en
  • US1940399A - Chain-stitch sewing machine : en
  • DE589946C - Process for the catalytic production of saturated high molecular weight secondary aliphatic alcohols : de en
  • FR757098A - Advanced rear support for flying machines : en fr
  • GB403144A - A device for generating power steam by the use of electricity : en
  • DE590125C - Runner with grooved faces for electrical machines : de en
  • FR757047A - Enema syringe : en fr
  • US1939963A - Casting apparatus : en
  • FR757161A - Multipurpose revolving parasol for advertising, signage and amenity, and novel method of advertising and signage resulting therefrom : en fr
  • US1940223A - Method of producing seamless celluloid articles from bars of celluloid : en
  • FR757118A - Turbine pot cover for artificial silk spinning : en fr
  • FR757112A - Periodic switch intended particularly for flashing lighting devices : en fr
  • FR757310A - Device for attaching an agricultural implement to a tractor : en fr
  • GB403202A - Improvements in or relating to hotel register indicators for displaying variable information : en
  • GB403190A - Improvements in and in the production of books, albums and the like : en
  • CA338065A - Spring assembling machine : en fr
  • FR756975A - Massage instrument : en fr
  • US1940261A - Vise : en
  • US1940343A - Interchangeable torch : en
  • US1940607A - Water control in steam generators : en
  • US1940110A - Lubricating system for worm and worm wheel drive : en
  • CA337943A - Corset fastener : en fr
  • GB403296A - A method of and apparatus for grooving worn rubber vehicle-tyres : en
  • US1939698A - Switch : en
  • US1939886A - Hydraulic press : en
  • US1940244A - Vacuum cleaner : en
  • DE590053C - Process for the preparation of haloaminoanthraquinones : de en
  • FR757331A - Lubrication system for elastic drive mechanisms : en fr
  • GB403134A - Improvements in ratchet and pawl mechanism such as for deriving rotary motion from reciprocating motion : en
  • USD91221S - Design fob a radiocabinet ob the like : en
  • USRE19031E - Process and apparatus for the : en
  • DE590017C - Slicing machine with vertical circular knife : de en
  • DE590150C - Pendulum mounting of side by side arranged wheel axles on the frame, especially of motor vehicles : de en
  • DK48171C - Cellular Packing for Eggs, Fruits and the like. : da en
  • GB403295A - Power plant for side paddle wheel ships : en
  • DK48170C - Seaweed with cleft branches for holding porcelain pieces and similar utensils while washing dishes. : da en
  • US1939912A - Valve device : en
  • CA337915A - Tobacco smoking apparatus : en fr
  • DE589920C - Toggle and push button switches : de en
  • CA338009A - Loom mechanism : en fr
  • US1939813A - Solderless wire connecter or clamp : en
  • US1940575A - Fuse switch : en
  • US1940051A - Portable beach apparatus : en
  • US1940266A - Razor and strop : en
  • CA338001A - Abrasive and ceramic article production : en fr
  • US1939905A - Motor control : en
  • US1940046A - Typewriter desk : en
  • US1940359A - Silent gear : en
  • US1939778A - Piston : en
  • DE589877C - Device for rounding the corners of films o. : de en
  • DE589972C - Process for the preparation of a 2,4-diaminoazobenzene compound : de en
  • US1939671A - Copyholder : en
  • US1939850A - Method of producing a fertilizer composition : en
  • US1940303A - System for power line protection : en
  • US1940348A - Spotlight mounting : en
  • DE590083C - Gas turbine : de en
  • DE589639C - Process for the production of nitrogenous cow dyes : de en
  • DE589855C - Device for plastering walls and ceilings : de en
  • GB403334A - Improvements in or relating to syphonic flushing apparatus : en
  • GB403382A - Improvements in flexible couplings : en
  • US1939939A - Coffee dispenser : en
  • US1940397A - Process for breaking petroleum emulsions : en
  • US1939805A - Television system : en
  • DE589965C - Machine for the production of corrugated wire mesh : de en
  • FR757101A - Electric heating process : en fr
  • FR757223A - Improvements made to the assembly of the fixed jaw in crushers or jaw crushers : en fr
  • FR757250A - Fuse circuit breakers : en fr
  • US1940428A - Process for recovering glutamic acid : en
  • US1940277A - Pressure vessel : en
  • US1940456A - Flexible conduit : en
  • USD91196S - Design for a textile fabric : en
  • US1939801A - Valve : en
  • US1940019A - Slotter : en
  • DK48178C - Diesel electric locomotive. : da en
  • FR756944A - Improvements in focusing devices for cameras and projectors : en fr
  • DK48155C - Device by Tile Stoves. : da en
  • US1940491A - Ground guard for electric power stations : en
  • DE590038C - High-tin bearing metals : de en
  • CA338066A - Glass pane : en fr
  • US1940211A - Lighting fixture : en
  • US1940364A - Carbon shield : en
  • US1939774A - Dial illuminating means : en
  • US1940131A - Vegetable peeler : en
  • US1939831A - Die casting machine : en
  • US1939811A - Abdominal support : en
  • US1940331A - Automatic arc welding device : en
  • FR757003A - Separator bowl with discharge fittings : en fr
  • US1940125A - Manufacture of zinc oxide : en
  • DE590046C - Washing device : de en
  • FR757285A - Hunting or war gun barrels with interior coating : en fr
  • US1940243A - Metal shingle : en
  • FR757283A - Balanced valve refinements : en fr
  • GB403201A - Improvements in the heating of carburettors and the like as used on internal combustion engines : en
  • DE589897C - Paper cutting machine with automatic spring compression : de en
  • FR757026A - Improvements to looms : en fr
  • FR757060A - Improvements to combustion products installations for the preparation of inert gases : en fr
  • FR757178A - Cleaning device : en fr
  • FR756947A - Incandescent cathode rectifier filled with gas or steam : en fr
  • CA338055A - Pulverized fuel furnace : en fr
  • US1940641A - Garment or ironing press : en
  • US1939667A - Metallic coatings and method of making same : en
  • US1940332A - Drill pipe protector : en
  • CA338014A - Canning machine : en fr
  • CA338037A - Photoelectric current amplifier : en fr
  • US1939715A - Sterilizer : en
  • US1940393A - Process for breaking petroleum emulsions : en
  • US1939688A - Surgical knife : en
  • US1939920A - Resilient tread for shoe bottoms : en
  • FR756931A - High-value, hollow iron body manufacturing process : en fr
  • CA337964A - Painting brush device : en fr
  • CA337910A - Diamond production : en fr
  • DE589888C - Traffic signal system : de en
  • DE589990C - Device for lighting cigarettes for self-sellers : de en
  • GB403436A - Improvements in or relating to the filtration of slimes : en
  • US1940052A - Lubricating gun : en
  • AU1111633A - Improvements in and relating to sewing machines : en
  • CA338024A - Hard alloy : en fr
  • FR757348A - Hunting or war rifle stock with magazine and ejector for dagger or other bladed weapon or auxiliary tool : en fr
  • CA338007A - Electrolytic deposition of metals : en fr
  • US1940177A - Computing instrument : en
  • US1939722A - Remote control apparatus : en
  • US1940103A - Cigarette ejector : en
  • FR757134A - Device for the treatment of the extremities of the lower or upper limbs : en fr
  • GB403163A - Improved means for indicating the angular position of an airscrew blade in its hub : en
  • US1940060A - Printer's registering device : en
  • US1940168A - Method and means for securing golf club heads to shafts : en
  • DE590011C - Switching device for a dog clutch, especially for motor vehicles : de en
  • FR757312A - Ski attachment : en fr
  • US1940408A - Opening and closing means with friction retardation swivel : en
  • US1940651A - Process for producing refined hydrocarbon oils from unrefined hydrocarbon material : en
  • US1939745A - Art of making receptacles : en
  • US1940484A - Web feeding and sheet cutting mechanism : en
  • CA337953A - Bag sealing apparatus : en fr
  • US1939840A - Automatic train control apparatus : en
  • US1939891A - Conveyer system : en
  • US1939721A - Mailing envelope : en
  • AU1049532A - Improvements in charcoal gas plants for tractors andthe like : en
  • DE590004C - Process for influencing the circulation flow on areas of an aircraft that generate lift : de en
  • US1940154A - Apparatus for handling green plaster board : en
  • US1940271A - Dispensing apparatus : en
  • US1940374A - Engine starting mechanism : en
  • CA338008A - Anti-dripping means for vessels : en fr
  • US1939680A - Voice operated circuit : en
  • US1939650A - Furnace wall : en
  • US1940048A - Adjustable holder for partitions : en
  • US1940062A - Defrosting attachment for transparent bodies : en
  • US1940099A - Safety self-closing vehicle door hinge : en
  • US1940297A - Link belt : en
  • US1940030A - Means for facilitating the takingoff and landing of aircraft and refueling the same : en
  • US1940520A - Knitting machine : en
  • DE590143C - Lightweight switch valve, the key of which is pressed into the seat by a spring for the purpose of lifting by wedge surfaces with the rotatably mounted cover provided with a handle or the like : de en
  • DE589906C - Process for nitriding tungsten : de en
  • DE590062C - Barrier line or the like with spring tensioning mechanisms connected to the wire lines : de en
  • US1939652A - Cushioning mechanism : en
  • US1939835A - Trouser construction for retaining shirt fronts : en
  • US1939986A - Chain link holding device : en
  • FR757212A - Cocoon dispenser : en fr
  • FR757336A - Advanced container for transporting liquids and other materials : en fr
  • GB403349A - An improved process for making artificial silk : en
  • US1940083A - Automatic control device : en
  • US1940544A - Combination hat lining and sweatband : en
  • US1939756A - Power transmitting mechanism : en
  • US1939874A - Method for the production of steel : en
  • US1939940A - Sound recording and reproducing device : en
  • CA338048A - Thermionic rectifier : en fr
  • DE590009C - Trailer coupling for motor vehicles : de en
  • FR757073A - Vehicle hood opening and closing device : en fr
  • GB403341A - Improvements in and relating to means for filling fuel reservoirs of buoys and beacons : en
  • US1940337A - Method of preserving perishable food products : en
  • US1940628A - Hot spot manifold : en
  • AU1204633A - Improvements in or relating to key cases : en
  • US1939649A - Fountain pen : en
  • US1939658A - Leak lock : en
  • US1940238A - Draft rigging : en
  • US1940239A - Heating apparatus : en
  • US1939663A - Multiple fuse : en
  • AU1045632A - Improvements in and relating tothe application of protective coatings to metal pipes andthe like : en
  • DE590074C - Clothes protection cover : de en
  • US1939754A - Sharpener for slicing machines : en
  • US1940081A - Apparatus for controlling the speed of a power driven vehicle : en
  • US1939651A - Compartment box : en
  • US1940208A - Filter : en
  • US1940249A - Device for equalizing strains on hoisting ropes : en
  • US1940282A - Sound recording : en
  • US1940356A - Engine starting mechanism : en
  • AU1090733A - Attachment of fixed contacts to terminals in electrical apparatus : en
  • US1939907A - Brake valve device : en
  • USD91198S - Design for a textile fabric : en
  • US1939894A - Method and apparatus for making cored articles of plastic material : en
  • US1940595A - Game net support : en
  • DE585172C - Rail brake magnet : de en
  • GB403169A - Improvements in and connected with the treatment of timber and other substances containing moisture : en
  • GB403260A - Improvements in electrically heated apparatus for producing vapours for disinfectingand the like purposes : en
  • US1939782A - Method of forming bearings : en
  • US1939957A - Method and improved means for precooling refrigerator cars : en
  • US1940499A - Gyroscope : en
  • DK48165C - Procedure for saturating mineral acids, non-liquid Raw phosphate digestion products with ammonia. : da en
  • US1940284A - Protective cooling system for thermionic apparatus : en
  • US1940301A - Shaft bearing : en
  • US1939947A - Color film and method of making same : en
  • CA10168S - Tire : en
  • CA338056A - Air conditioning apparatus : en fr
  • CA338080A - Golf club shaft : en fr
  • US1940084A - Window stop : en
  • CA337946A - Safety razor : en fr
  • GB403380A - Improvements in or relating to means for controlling the fuel and air for supercharged internal-combustion engines : en
  • FR757305A - Central heating system allowing hot water withdrawal : en fr
  • DK48175C - Device for Control of Electric Motors. : da en
  • FR756984A - Adjustable eyecup for variable spacing binoculars and other optical instruments : en fr
  • FR757039A - Production of azo dyestuffs : en fr
  • DK48159C - Device for Teletype Connections over Telephone Centers. : da en
  • US1939773A - Composition of matter and method : en
  • DE590029C - Device for the pressure evaporation of liquefied gases at the consumption points : de en
  • FR757031A - Toothbrush : en fr
  • DE590034C - Process for the automatic maintenance of a certain viscosity of the heating oil flowing into a burner system : de en
  • FR757227A - Cabinet for film storage : en fr
  • FR757341A - Process for bleaching or rendering suitable for spinning raw fibers such as coir, jute, hemp, flax and the like : en fr
  • GB403221A - An improved method of refrigeration of vehicles : en
  • US1940240A - Foot measuring device : en
  • US1939691A - Infusible synthetic resins and a process of making same : en
  • US1939935A - Vehicle wheel : en
  • FR757327A - Typographic font and its constituent elements : en fr
  • US1939845A - Brake cylinder protector : en
  • US1940256A - Induction furnace : en
  • US1940219A - Garment or ironing press : en
  • FR757304A - Speed regulator for internal combustion engines : en fr
  • FR757425A - : fr
  • GB403272A - Improvements in means for making comparison tablets for optical examination of flour : en
  • US1939982A - Method and means for casting bearing elements : en
  • US1940113A - Ophthalmic mounting : en
  • CA338042A - Talking movie combination : en fr
  • CA337907A - Engine fuel pump : en fr
  • US1939645A - Electric fixture support : en
  • US1940163A - Closet bowl ventilator : en
  • FR757131A - Remote level indicator for tanks : en fr
  • US1939679A - Lightning arrester : en
  • GB403243A - Improvements in and relating to caissons for the construction of quay walls, piers, breakwaters and similar structures : en
  • GB403281A - Improvements in and relating to methods of obtaining pure metallic cobalt in powder : en
  • AU1052132A - Improved holder for material in rolls : en
  • DE590031C - Arrangement on sieve chains connected in high-voltage circuits, designed as coil lines : de en
  • GB403213A - Improvements in machines for producing concrete reinforcing members : en
  • US1940078A - Package for tea bags : en
  • US1940339A - Spinning centrifuge for artificial silk : en
  • US1940560A - Paper bag making machine : en
  • FR757266A - Vaporization device for central heating : en fr
  • GB403335A - Improvements in and relating to radial flow elastic fluid turbines : en
  • CA337973A - Musical instrument : en fr
  • CA337947A - Axle brass : en fr
  • FR757097A - Esche or bait for fishing : en fr
  • DK48161C - Protection device for railway crossings and the like. : da en
  • FR756966A - Manufacturing process for light stones, wall plasters and noise and heat insulation materials : en fr
  • US1939689A - Cooling system for high power high frequency transmitters : en
  • FR738493A - Fast and economical refining of impure common steels, especially steel : en fr
  • GB403264A - Improvements in or relating to injection nozzles for internal combustion engines : en
  • FR756957A - Modulation system : en fr
  • DE589976C - Device for measuring and recording the twisting of rail tracks : de en
  • GB403686A - Arrangement for the regenerative braking of d. c. motors : en
  • FR757225A - Cadmium yellow manufacturing process : en fr
  • US1940193A - Dumping vehicle : en
  • US1940349A - Engine starting mechanism : en
  • US1940429A - Separable electric socket : en
  • US1939872A - Coupling for flexible hose : en
  • US1940501A - Sewing machine : en
  • US1940161A - Synchronizing system : en
  • US1940654A - Dewaxing petroleum : en
  • US1940057A - Apparatus for ascertaining weight of materials : en
  • US1940398A - Process for breaking petroleum emulsions : en
  • US1940589A - Soluble cellulose esters of higher fatty acids : en
  • USD91207S - Design for an ice cream cone : en
  • FR757347A - : fr
  • CA337979A - Clearance mechanism : en fr
  • US1939933A - Condenser gang drive : en
  • US1940178A - Slug sawing machine : en
  • DE589909C - In the horizontal section, flat, undulating, resilient iron channel boards : de en
  • US1939864A - Fabric and method and apparatus for producing it : en
  • US1940618A - Method of purifying magnesium : en
  • US1940273A - Lister disk furrow opener : en
  • US1940471A - Brake : en
  • US1940120A - Electric switch and arc extinguishing apparatus : en
  • US1940340A - Electrical prospecting : en
  • US1940472A - Interference eliminator : en
  • US1940630A - Glow lamp : en
  • CA337987A - Electrode alloy : en fr
  • US1940011A - Picker mechanism : en
  • US1940143A - Pneumatic tool : en
  • US1940201A - Table : en
  • US1940458A - Brake applying means : en
  • US1940015A - Process of crystallization of wax : en
  • AU1058932A - Improvements in and relating to sheetmetal containers with inside nonmetallic covering : en
  • FR757010A - Process for manufacturing covers and protective sleeves for books, notebooks, registers and the like : en fr
  • US1939877A - Grate : en
  • US1940308A - Method of making carbides : en
  • US1939740A - Sharpener for slicing machines : en
  • US1940527A - Means for lubricating car wheels and rails : en
  • FR757200A - Process for welding aluminum and its alloys : en fr
  • CA337974A - Sizing machine : en fr
  • CA337996A - Coil impregnating method : en fr
  • US1940205A - Display receiver : en
  • US1940516A - Pump : en
  • US1939953A - Holding and releasing mechanism for hand brakes : en
  • CA338052A - Hydrocarbon oil distillation : en fr
  • US1939777A - Bottle protector and heat insulator : en
  • US1939969A - Guide and stop mechanism for window sashes or the like : en
  • US1940322A - Hinge construction : en
  • FR757332A - Flat burner with inter-ignition device : en fr
  • DE589984C - Belt sintering or rusting apparatus : de en
  • US1940173A - Mold : en
  • US1940550A - Brake operating mechanism : en
  • DK48164C - Shrimp Preservation Procedure. : da en
  • US1939950A - Tractor : en
  • US1939827A - Combined follower and coupler supporting means : en
  • US1940074A - Joint for pipes and the like : en
  • CA337998A - Welding apparatus : en fr
  • US1940394A - Process for breaking petroleum emulsions : en
  • US1939735A - Method of making chain links : en
  • US1939765A - Oiling mechanism : en
  • US1940172A - Culinary equipment : en
  • CA338047A - Radio tuning indicator : en fr
  • CA338057A - Pie making machine : en fr
  • CA338045A - Shaft coupling device : en fr
  • US1940412A - Spout equipped box : en
  • CA338033A - Binding device for boxes : en fr
  • US1940511A - High voltage conductor : en
  • USD91211S - Design foe a urinal : en
  • GB403191A - Improvements in rotary fluid clutch and variable gears employing cylinders and pistons : en
  • GB403250A - Improvements in roller skates : en
  • US1939991A - Diamond cutting tool or the like and method of making the same : en
  • US1939736A - Production of acetic acid and glucose : en
  • US1940145A - Method for the manufacture of rubber tubing : en
  • AU1266033A - Improved sterilizing and docking instrument for lambs andother animals : en
  • US1940463A - Pipe and cigar lighter : en
  • US1939646A - Furnace wall : en
  • US1939908A - Heating system for incubators : en
  • US1940531A - Feeding mechanism for roughage grinders, ensilage cutters, and the like : en
  • CA337985A - Aerial feeder : en fr
  • AU1155133A - Detachable moulded heels for boots and shoes : en
  • DK48176C - Procedure and device for operation of locomotive and other boiler firing devices. : da en
  • DE589778C - Process for the production of oversulfuric acid esters of the higher molecular weight aliphatic alcohols with more than 8 carbon atoms : de en
  • FR757063A - Adjustable diverter for air diffusers or other similar devices : en fr
  • GB403141A - Improvements in or relating to the production of compositions and goods containing rubber or similar material : en
  • CA338010A - Coating for iron and steel : en fr
  • AU1010132A - Improved recording and signalling means for cash registers andthe like : en
  • CA337921A - Aerating machine : en fr
  • US1939972A - Sewing machine binder : en
  • US1939923A - Fruit pitting machine : en
  • FR757314A - Voltage regulator for current generator : en fr
  • DK48158C - Telephone system with Teletypewriter devices. : da en
  • US1939948A - Roll : en
  • US1940233A - Amusement ride : en
  • US1940149A - Razor : en
  • DE590052C - Process for the production of carboxylic acid esters : de en
  • DE590130C - Process for the elimination of joints that occur when the electrical heating elements installed on the inside wall of the oven are installed : de en
  • GB403192A - Improvements relating to bucket fountains for poultry and the like : en
  • US1939915A - Heat controlling mechanism : en
  • US1940112A - Milling machine : en
  • US1940424A - Motion picture film : en
  • US1940644A - Typewriting machine : en
  • US1940423A - Modulation : en
  • US1940506A - Gun for cleaning differentials and the like : en
  • US1939772A - Method of making a welded pipe joint : en
  • GB403298A - Improvements in or relating to thermionic valves : en
  • US1939822A - Registering, display, and transmission apparatus and system : en
  • US1939866A - Dynamic and air brake interlock : en
  • DE590131C - Flange, especially for hot water storage tanks with several to accommodate electrical heaters, controllers and the like. Like serving, unilaterally closed sleeves : de en
  • GB403237A - Improvements relating to automatic brakes of railway and like vehicles : en
  • US1939718A - Spool and container therefor : en
  • US1940647A - Bottle handling apparatus : en
  • AU1008732A - Improvements in devices for spraying insecticidal or other liquids : en
  • AU1054032A - Improvements in animal traps : en
  • US1940496A - Combination transformer and vibrator : en
  • US1939788A - Improved mechanical cylinder : en
  • US1940455A - Gear retaining means : en
  • CA337923A - Brush ferrule : en fr
  • DE589923C - Electrically heated, self-switching humidifier : de en
  • FR757320A - Improvements to devices used for disgorging sanitary appliances : en fr
  • FR757333A - Product to make non-flammable electrical circuits and other materials and its manufacturing process : en fr
  • US1939873A - Liquid sampling and testing device : en
  • CA338076A - Insect exterminator : en fr
  • US1940415A - Drill : en
  • USD91203S - Design fob an ensemble dress : en
  • US1940202A - Automatic developing tank : en
  • CA337917A - Picture puzzle : en fr
  • CA337951A - Fabric revivifying device : en fr
  • DE589950C - Hollow sleeper with vertical central bar : de en
  • US1939883A - Apparatus and method for manufacturing condensers : en
  • FR757183A - Buoy for advertising and attractions : en fr
  • US1940198A - Apparatus for cleaning gas : en
  • US1940432A - Art of dispersing water-immiscible bodies : en
  • US1940609A - Vacuum cleaner : en
  • US1939847A - Electrically operated potato parer : en
  • US1940054A - Light support : en
  • US1939797A - Paper drinking cup and manufacture of same : en
  • US1940355A - Furnace control : en
  • FR757132A - Ashtray for smokers : en fr
  • US1939945A - Shoe sewing machine : en
  • FR756977A - Movable grate without chain for fire-tube boilers : en fr
  • GB403367A - Improvements in elevators for handling pipes or the like in drilling wells : en
  • DE590039C - Device for actuating gate valves for pipelines with an end plate movable on the end body : de en
  • FR757052A - : fr
  • GB403215A - Improvements in or relating to the supply of wires e.g. filaments for electric lampsor discharge tubes, towards a point of operation : en
  • FR757050A - Convergent achromatic eyepiece : en fr
  • CA337954A - Finger bowl : en fr
  • US1939654A - Chassis lubrication : en
  • USD91192S - Design for a container : en
  • US1940307A - Drawer pull : en
  • DE590124C - Process for the production of connection points in the insulation of electrical conductors : de en
  • CA337963A - Seal : en fr
  • US1940222A - Tube testing system : en
  • US1940288A - Fiberboard box : en
  • US1939812A - Container for waxed paper : en
  • US1939921A - Electrical vaporizer : en
  • CA338003A - Refractory article production : en fr
  • US1939683A - Piston packing : en
  • US1939869A - Fuel injection apparatus : en
  • DE589893C - Seal for disc gas container : de en
  • DE590140C - Engaging and disengaging device for clutches for transmission shafts : de en
  • CA337999A - Concrete cage making machine : en fr
  • US1940181A - Vacuum tube circuits : en
  • CA337935A - Humidifier for radiators : en fr
  • DE578532C - Device for stunning slaughter animals : de en
  • US1940478A - Textile mechanism : en
  • US1940632A - Calendar and memorandum stand : en
  • FR757284A - Stoup : en fr
  • FR757036A - Gun with searchlight : en fr
  • FR757344A - Improvements to arm trolleys with automatic braking by lifting the drawbar : en fr
  • FR757197A - Improvement in metal sheet folding machines and others : en fr
  • FR757244A - Thermo-electric signalizer : en fr
  • GB403435A - Improvements in and relating to springs particularly for electric switches : en
  • US1940180A - Brush for putting on tooth paste, cream, and the like : en
  • US1939711A - Expansible wheel : en
  • US1940257A - Motion picture projector : en
  • US1940312A - Intermittent movement for motionpicture projectors and the like : en
  • US1939726A - Reproduction of sound : en
  • US1940144A - Overseaming machine : en
  • US1940572A - Welding electrode : en
  • GB403316A - Hydraulic safety device for preventing too high speeds of internal combustion engines : en
  • CA338034A - Liquid fuel stove : en fr
  • FR756938A - Swimsuit : en fr
  • GB403244A - Operating table : en
  • CA338021A - Electric motor : en fr
  • US1939785A - Color photography with large aperture lenses : en
  • GB403189A - Improvements in or relating to police, fire, ambulance and like telephone call systems : en
  • GB403954A - Process for the photochemical oxidation of organic and inorganic compounds : en
  • US1940241A - Combined washing, rinshing, and drying machine : en
  • FR757093A - Lever-closing pressure steam kettle with application and release pressure curve : en fr
  • FR757251A - Ball joint flange foot for cameras and other uses : en fr
  • US1939977A - Transfer holder : en
  • US1939675A - Fire control apparatus : en
  • US1940139A - Milling machine : en
  • USD91184S - Design fob an airplane : en
  • FR757229A - Dropper : en fr
  • FR757053A - Antifriction bearing cage and method for its manufacture : en fr
  • FR757201A - Racks, frames, and accessories therefor for bicycles, motorcycles and the like : en fr
  • GB403168A - Improvements in looms for weaving, having automatic cop or bobbin-changing motions : en
  • GB403384A - Improvements in or relating to record- or register-controlled printing mechanism : en
  • DE590127C - Electric discharge lamp with two discharge paths connected in parallel to the same power source via ballast resistors : de en
  • GB403171A - Improvements in and relating to weaving and woven fabrics : en
  • DE589968C - Process for carrying out catalytic reactions : de en
  • DE589943C - Bobbin changing device for looms with a multi-row bobbin magazine : de en
  • DE589890C - Portable grinding device for scratch fittings : de en
  • GB403678A - Improvements relating to folding and adjustable chairs : en
  • US1939780A - Two compartment envelope : en
  • US1940400A - Working up of oxidation products of hydrocarbons : en
  • FR757338A - Imitation leather : en fr
  • DE589878C - Automatic trailer coupling with a pincer-shaped coupling element, especially for motor vehicles : de en
  • DE589899C - Chain contact line for retensionable contact wires : de en
  • FR756964A - Motion transmission device : en fr
  • FR757323A - Locked cleaning plate for mower cutting bars : en fr
  • GB403637A - Improvements in flashlight devices suitable for photographic and the like purposes : en
  • FR756988A - Process for concentrating and, preferably, mixing or composing at the same time aqueous dispersions based on rubber or similar materials and means usable therefor : en fr
  • FR757221A - Road Vehicle Maneuvering Signals Improvements : en fr
  • FR757354A - : fr
  • GB403286A - Improvements in or relating to luminous signs : en
  • DE590105C - Method of attaching reeds : de en
  • DE589952C - Injection carburetor : de en
  • DE590112C - Ski edge protector : de en
  • US1940350A - Aerating apparatus : en
  • DE589671C - Cover lock for axle box : de en
  • GB403231A - Improvements in or relating to cabinets for wireless receiving apparatus : en
  • US1940148A - Projecting apparatus : en
  • FR757353A - Wrench or the like for removing crown caps : en fr
  • CA337934A - Power driven swivelled wheel : en fr
  • US1940289A - Watch : en
  • US1940136A - Process of sulphite cellulose digestion : en
  • US1940306A - Floor covering : en
  • US1940333A - Propeller : en
  • US1940203A - Electric cut-out : en
  • US1940436A - Seam reducing machine : en
  • US1940127A - Safety device for gas burners : en
  • AU1562033A - Method and arrangement forthe production of picture-points of defined shape in Braun valve : en
  • CA337909A - Gas saving machine : en fr
  • US1940293A - Refuse destructor : en
  • US1939856A - Variable condenser system : en
  • US1939956A - Indoor lighting fixture : en
  • US1940466A - Tie rod : en
  • DE590067C - Process for the production of high quality glue from bones : de en
  • FR756965A - Improvement of soft cap visors : en fr
  • US1939863A - Boat trailer : en
  • US1940142A - Milling machine : en
  • US1940605A - Direction signaling device : en
  • US1940100A - Vehicle brake : en
  • GB403153A - Improvements relating to carriers for infants and the like : en
  • CA338031A - Bread wrapping machine : en fr
  • CA338068A - Vegetation stimulating method : en fr
  • US1939858A - Method of potassium phosphate conversion : en
  • US1940056A - Packing device for cylindrical bodies or liners : en
  • US1940248A - Water closet : en
  • GB403204A - Improvements in or relating to electrical musical instruments : en
  • GB403688A - Improvements in or relating to electric conductors : en
  • US1939656A - Method of and apparatus for landing cars : en
  • US1940299A - Thrust bearing for electric locomotives : en
  • US1940346A - Device for controlling the flow of gas in gas lines : en
  • US1940179A - Firing mechanism : en
  • US1939794A - Wrapping sheet : en
  • US1939913A - Process for electrothermic reduction : en
  • US1940483A - Cloth cutting machine : en
  • US1939893A - Operating device for railway car couplers : en
  • DE589973C - Process for the production of relief autotypes and relief galvanos : de en
  • US1940638A - Spool : en
  • US1939699A - Gun mount : en
  • US1939985A - Feed mechanism : en
  • DE590026C - Attachment of nozzle cleaning needles : de en
  • DE590030C - Electromagnetic overcurrent switch in screw plug shape : de en
  • DE590133C - Pulverized coal burners : de en
  • GB403634A - Improvements in or relating to acoustic horns for sound reproducing instruments : en
  • DE589955C - Method and tool for making a one-piece box : de en
  • GB403185A - Improvements in or relating to devices for controlling the clutches of motor vehicles : en
  • USD91224S - Design for a casing fob weighing : en
  • GB403266A - Improvements in fastening devices : en
  • DE589806C - Clock with neon pointers : de en
  • US1940621A - Milk cooler : en
  • FR757125A - Molasses clarification process : en fr
  • FR757029A - Upholstered sleeve holders improvements : en fr
  • DK48152C - Automatic Gear Coupling Device. : da en
  • GB403339A - An improved apparatus for cleaning, polishing and like purposes : en
  • US1940464A - Apparatus for slitting leather : en
  • DE590121C - Mold for machines for casting stereotype plates : de en
  • FR756930A - Piston for internal combustion engines : en fr
  • GB403246A - Improvements relating to cases or holders for sticks of cosmetic and the like : en
  • US1940524A - Fuel pump : en
  • DE590020C - Device for digging excavations under water : de en
  • FR757071A - Improvements to electric motors : en fr
  • USD91208S - Design for a clock or similar : en
  • US1940197A - Gas cleaner : en
  • CA338023A - Hydraulic brake : en fr
  • US1940028A - Fluid type circuit maker and breaker : en
  • GB403217A - Improvements in or relating to measuring vessels or cups : en
  • GB403225A - Improvements in and relating to automatic lap winding machines for use in the preparatory operations of spinning : en
  • CA338074A - Pneumatic transport system : en fr
  • DE590068C - Method and device for cooling furnace components exposed to high temperatures, such as wind nozzles, nozzle pipes or the like, in particular for gas generators : de en
  • DE590081C - Grafting tool : de en
  • GB403651A - Silencer for gaseous currents : en
  • US1940134A - Golf score counter : en
  • US1940351A - Surgical instrument : en
  • DK48168C - Audio Film and Procedure for Making the Same. : da en
  • FR757001A - Electric shoe polisher : en fr
  • FR757276A - Improvements in the manufacture of artificial filaments, threads, films, films and the like : en fr
  • US1940005A - Vending method and device : en
  • CA338070A - Yarn processing : en fr
  • USD91216S - Design fob a doll ok similar article : en
  • USD91200S - Design for a textile fabric : en
  • US1940153A - Wave signaling system : en
  • US1939968A - Flexible post : en
  • US1939895A - Loose leaf book : en
  • US1940568A - Watchcase : en
  • US1940635A - Apparatus for vacuumizing and sealing jars : en
  • US1940637A - Cushion seat and the like : en
  • DE502663C - Process for the production of light-sensitive layers with diazo compounds which produce a positive image from a positive : de en
  • FR757061A - Improvements to packing boxes and the like : en fr
  • FR757218A - Improvements in fabric manufacturing : en fr
  • FR757255A - Process for the production by thermal and mechanical treatments of metallic composites containing nickel and products resulting from the application of this process : en fr
  • US1939865A - Handle-stop for railway car side doors : en
  • FR757107A - Process for preparing raw materials for the manufacture of cement : en fr
  • CA337940A - Heater : en fr
  • CA338053A - Road paving method : en fr
  • FR757228A - Reflector device for ultra-short waves : en fr
  • US1940063A - Die casting : en
  • DE589914C - Process for the production of liquid hydrocarbons from ethylene or gases containing ethylene : de en
  • FR757148A - : fr
  • US1940252A - Carburetor : en
  • US1940449A - Brake : en
  • US1940541A - Air hub wheel : en
  • US1939662A - Locomotive boiler : en
  • US1939984A - Article securing pin : en
  • US1940522A - Cooling system and cylinder head construction : en
  • CA337966A - Resilient tire forming apparatus : en fr
  • FR757127A - Improvements to cutting mechanisms for cigarette machines : en fr
  • CA338071A - Fabric processing : en fr
  • US1939685A - Radiant energy distance determining system : en
  • US1940170A - Weed burner : en
  • US1940453A - Time reminding device : en
  • US1940591A - Protecing apparatus for insulators : en
  • GB403314A - Process for the primary clouding of enamel glazes : en
  • AU1197733A - Improved method of manufacturing wooden articles and articles produced thereby : en
  • AU1055732A - An improved puncture sealing compound : en
  • CA337965A - Retaining wall : en fr
  • US1939739A - Locomotive spark eliminator : en
  • US1940070A - Device for improving the circulation of water tube boilers : en
  • US1940495A - Process of producing phenolphthalein : en
  • US1940571A - Table leg attachment : en
  • US1939729A - Elevator system : en
  • US1939859A - Driving belt and method of making the same : en
  • US1939764A - Fire extinguishing sprinkler system : en
  • US1940166A - Waste retainer for journal boxes : en
  • US1940584A - Hat and coat rack : en
  • US1939717A - Paper feeding mechanism : en
  • DE590016C - Bicycle safety device with support : de en
  • GB403288A - Apparatus for the vertical filing of file wrappers : en
  • US1939681A - Magnetic plate attachment for planographic presses : en
  • US1940318A - Fan blade : en
  • US1940402A - Singly curved shells for the construction of roofs : en
  • US1939910A - Brake application and release valve device : en
  • DE590132C - Process for the preparation of leuco-sulfuric acid esters of the anthraquinone series : de en
  • DE589977C - Rail crack detectors : de en
  • DE590080C - Device for setting the playing time in self-collecting billiards with clockwork drive : de en
  • US1939806A - Process for making a chain structure : en
  • US1940041A - Process and product for preventing rust and corrosion : en
  • US1940156A - Perforating machine : en
  • US1940384A - Rotary compressor : en
  • AU1050532A - Improvements in rail anchors : en
  • FR757294A - Improvements to yeast separating drums : en fr
  • CA338061A - Blank forming and printing machine : en fr
  • FR757215A - : fr
  • FR757311A - Machine for making hollow bodies of cement mortar, whether fibrous or not, or other similar materials, for coating metal pipes with plastics, and for applying metal reinforcements under tension to hollow bodies : en fr
  • GB403218A - Improvements in and connected with the forming of reinforced or strong and true internal angles of walls of buildings : en
  • DE590115C - Process for the production of gas-tight refractory hollow bodies : de en
  • US1939697A - Float switch : en
  • FR757302A - Manufacturing process for aircraft shrouds yokes? ubre s similar applications and screeds conforming to those obtained by this process : en fr
  • AU1048832A - Improvements inthe production of hollow ingots : en
  • GB403358A - Case or holder for cigarettes and cigars : en
  • GB403357A - Arrangement in telephone plants or other electrical signalling connections including amplifiers : en
  • GB403623A - : en
  • FR757144A - Interior upholstery for vehicle bodies : en fr
  • GB403146A - Improvements in and relating to apparatus for delivering materials in bulk : en
  • GB403261A - Improvements in and relating to fasteners for flooring, tiling, panelling and the like : en
  • GB403368A - Improvements in or relating to magnetic cores for high frequency inductance coils and transformers : en
  • US1939934A - Plug bushing and inner seal therefor : en
  • US1940335A - Electrical time delay apparatus : en
  • US1940565A - Collapsible stand : en
  • FR757192A - Method and apparatus for constructing concrete pilings for foundations : en fr
  • FR757264A - Process for the production of water insoluble azo dyes on fibers and surface bodies prepared from cellulose esters and cellulose ethers : en fr
  • FR757349A - Anode voltage rectifier : en fr
  • GB403198A - Improvements in trestles : en
  • USRE19027E - pazzano r : en
  • US1940587A - Heating apparatus : en
  • FR756908A - Ball bearings, deep grooves, roller and needle bearings with removable rings, in two or more parts : en fr
  • US1939779A - Surgical splint : en
  • US1939802A - Valve operator for automatic dish washing and drying machine : en
  • FR757224A - Improvements in the manufacture or treatment of artificial filaments, threads, yarns, ribbons and the like : en fr
  • DE590215C - Protective circuit for the disconnection of only a single diseased network section in the event of a double earth fault in three-phase networks : de en
  • FR757028A - letter envelope : en fr
  • US1940519A - Frequency converting radioreceiver : en
  • CA338039A - Amplifying and reproducing system : en fr
  • US1940452A - Double poppet check valve : en
  • FR757236A - Insulating and fiexible sole for shoes : en fr
  • GB403348A - Improvements in microscope stands : en
  • DE589935C - Electric lighting system for stop signs : de en
  • FR757190A - Parquet slab : en fr
  • FR757268A - Improvements in low-temperature charcoal distillation, in particular cell plates used for this distillation : en fr
  • DE590098C - Process for refining water-containing solid fuels : de en
  • FR757206A - Mold for breads, cakes, pâtés or sorbets : en fr
  • GB403336A - Improvements relating to dry batteries : en
  • DE589944C - Apparatus for tempering fermenting liquids : de en
  • FR757006A - Mercury vapor rectifier with separately mounted mercury vapor vacuum pump : en fr
  • GB403345A - Improvements in direct-acting steam and other fluid-pressure pumps : en
  • US1939889A - Brake cylinder piston sleeve : en
  • FR757033A - Spring wheel for vehicles running on railways : en fr
  • GB403181A - Improvements in fluid pressure reducing and regulating valves : en
  • US1940475A - Micrometer gauge : en
  • US1940486A - Glue product and method for preparing the same : en
  • US1940561A - Apparatus for uniting wax paper : en
  • US1940493A - Cutting machine : en
  • CA338026A - Lighting system : en fr
  • US1940470A - Brake mechanism : en
  • US1940068A - Azo-dyestuff insoluble in water : en
  • US1940425A - Metal spring cover : en
  • US1940326A - Salvage apparatus : en
  • GB403209A - Improvements relating to electrically operated pumps : en
  • FR757150A - Multi-cell coping for chimney stumps : en fr
  • FR757287A - Process for the protection against overcurrents of discharge devices in rarefied gases or vapors, and in particular of those devices which include a glass bulb : en fr
  • US1939862A - Conveyer : en
  • DE590063C - Device for controlling vehicles with internal combustion engines and electrical power transmission : de en
  • FR757152A - Agricultural and industrial wetting product with insecticidal and fungicidal properties : en fr
  • US1939737A - Latch pivot for pneumatic hammer devices : en
  • US1940585A - Continuous extraction and filtration apparatus : en
  • US1940381A - Automatic margin bar : en
  • FR756953A - Improvements relating to the manufacture of hydraulic cement : en fr
  • GB403196A - Improved method and apparatus for removing a residual ripple from rectified alternating current : en
  • GB403166A - Means for holding and collecting omnibus and like tickets : en
  • CA337920A - Textile operation : en fr
  • US1939849A - Draftsman's reference table : en
  • US1940314A - Spark plug electrode : en
  • US1939941A - Gas burner : en
  • US1940281A - Metal shelving : en
  • US1940600A - Curtain stretcher : en
  • GB403149A - Improvements in or relating to means for nullifying or reducing reflections, for use in picture galleries and the like : en
  • GB403392A - Improvements in or relating to the production of lubricating oil : en
  • US1939980A - Liquid dispenser : en
  • US1940071A - Food preparing and delivering apparatus : en
  • US1939981A - Liquid dispenser : en
  • CA337945A - Holster securing device : en fr
  • US1940319A - Protective cooling system for thermionic apparatus : en
  • CA338025A - Hard alloy : en fr
  • GB403297A - Improvements in or relating to shoe-end lasting machines : en
  • US1940251A - Carburetor : en
  • US1940264A - Electric heading machine and control therefor : en
  • US1939861A - Power head : en
  • US1940579A - Joint for concrete and similar pipe : en
  • US1940487A - Feeder for blank sheets : en
  • US1940058A - Apparatus for ascertaining weight of materials : en
  • US1940489A - Container for hollow cylindrical objects : en
  • US1939775A - Automatic steering mechanism : en
  • US1939909A - Road roller and trailer : en
  • US1939919A - Machine for repairing runs in hosiery and knitted fabric : en
  • US1940403A - Lathe : en
  • US1940129A - Garden implement : en
  • US1940246A - Ore treating machine : en
  • DE589960C - Process for the production of bitumen jelly : de en
  • US1940107A - Scraper : en
  • AU1053932A - Fastening device for wrist straps, belts andthe like : en
  • DE589995C - Process for the extraction of animal or vegetable substances in powder form : de en
  • DE590103C - Device for the execution of the process for the production of pressed parts from synthetic resin : de en
  • FR756917A - Cathode ray tube : en fr
  • FR756942A - Improvements to cinematographic projectors : en fr
  • US1939816A - Beam for dyeing machines : en
  • US1939838A - Insect destroyer : en
  • US1939884A - Film-winding device : en
  • US1940123A - Clutch controlled brake lock : en
  • US1940085A - Device for filling the receiver of pipe presses, particularly of lead cable presses : en
  • US1940523A - Chair : en
  • US1940395A - Process for breaking petroleum emulsions : en
  • US1940220A - Boring tool : en
  • US1939789A - Recording, indicating, and regulating device : en
  • US1940445A - Gum inhibitor for gasoline : en
  • US1939843A - Insulating method and product thereof : en
  • US1939959A - Piston wrist pin retainer : en
  • US1940209A - Process for producing hydrocarbons having a high carbon content from hydrocarbons having a low carbon content : en
  • USD91185S - Design for a stapling machine : en
  • US1940526A - Apparatus for sorting cigarettes : en
  • USD91219S - Design fob a radiocabinet : en
  • US1940606A - Athletic field line marker : en
  • AU1326133A - Improvements in and relating to the inflations for teat cups : en
  • GB403161A - Steering wheels of self-propelled vehicles : en
  • GB403240A - Improvements relating to the crystallization of substances that crystallize exothermically : en
  • USD91213S - Design fob a lighting fixture head : en
  • US1939824A - Easel box : en
  • US1940280A - Rubber vulcanization : en
  • US1940373A - Method of oil testing : en
  • US1940461A - Oven : en
  • US1940502A - Mounting for hand mirrors and similar articles : en
  • AU1151833A - Improvements in powder sprayers : en
  • DE589931C - Injection carburetor : de en
  • FR757122A - Reinforced stone for sharpening equipped with shock absorbers : en fr
  • DE589919C - Electrical system for locking turnouts or signals : de en
  • GB403232A - Process for the production of coke : en
  • US1939712A - Treatment of metals and alloys : en
  • US1939738A - Method of making hardened film blanks and product : en
  • FR757219A - Improvements to igniters : en fr
  • US1939706A - Apparatus for conducting training in gunnery : en
  • DE590023C - Device for separating the weft threads for shuttle looms : de en
  • US1939807A - Adjustable ignition distributor : en
  • US1939684A - Creeping traction : en
  • US1940096A - Additional agent for motor fuels : en
  • US1940035A - Belly press : en
  • US1939955A - Window screen : en
  • US1940192A - Apparatus for freezing canned goods : en
  • DE590010C - Switching device for gearboxes, especially for motor vehicles : de en
  • FR757274A - Process and apparatus for mechanical handling and sorting of household waste : en fr
  • GB403438A - System for tempering glass or other plates through hot air suction : en
  • US1940276A - Date pitting machine : en
  • US1940548A - Pocket writing implement : en
  • CA337916A - Railway switch stand : en fr
  • CA337949A - Hat : en fr
  • CA338006A - Stoker : en fr
  • FR757286A - Metal stretch tensioner : en fr
  • FR757004A - Adaptation of radio stations to motor cars : en fr
  • GB403343A - Jet device for propelling vessels : en
  • GB403355A - Improvements in container : en
  • CA337929A - Brooder stove : en fr
  • DE590087C - Process for the preparation of a supplementary feed for lactating mammals : de en
  • FR757104A - Improvements to very high internal resistance grid-screen lamps : en fr
  • FR757155A - Process for making acetic acid from alcohol : en fr
  • FR757162A - Communication counter for telephone sets : en fr
  • GB403156A - Improvements in detachable cooling hoppers for internal combustion engines : en
  • GB403216A - Improvements relating to travelling furnace-grates : en
  • US1940448A - Separating metals : en
  • US1940497A - Shear : en
  • AU1057332A - Improved treatment of fabrics to increase resistance against wear : en
  • US1939661A - Sole roughing machine : en
  • US1939879A - Window guide channel and method of making same : en
  • US1940135A - Coupling tube for inhalators : en
  • US1940270A - Cutting device : en
  • US1940422A - Electric snap switch : en
  • US1939904A - Adticle of furniture : en
  • US1940092A - Condensation products of resinic acids : en
  • US1940117A - Collapsible table : en
  • US1940003A - Internal combustion engine : en
  • CA338077A - Insect exterminating device : en fr
  • CA338036A - Card index : en fr
  • US1940290A - Opaque illuminator for microscopes : en
  • GB403142A - Improvements in or relating to the production of compositions and goods containing two or more substantially mutually insoluble plastics : en
  • US1940563A - Safety razor : en
  • US1939669A - Ticket punch : en
  • USD91226S - Design for a toy : en
  • US1939949A - Smoke treating device : en
  • US1940431A - Aqueous dispersion of montan wax and other water-immiscible bodies and process of making : en
  • CA338020A - Cyanid dehydrating process : en fr
  • CA338059A - Dispensing receptacle : en fr
  • US1940623A - Journal box : en
  • GB403303A - Improvements in folding chairs : en
  • CA338046A - Microplone control : en fr
  • US1939664A - Cushion wheel : en
  • US1940158A - Motor mount for milling machines : en
  • CA337982A - Foundry moulding machine : en fr
  • FR756940A - Wheel pipe cutter with quick clamping and slow cutting : en fr
  • FR756951A - Windscreen wiper refinements : en fr
  • FR757281A - Automatic relay : en fr
  • US1940430A - Peg for holding tents or hangars or for anchoring aircraft and the like : en
  • FR757170A - Advanced machine for tenderizing meats : en fr
  • US1939841A - Curtain stretcher : en
  • US1940309A - Box : en
  • US1939944A - Steam boiler : en
  • US1939730A - Spring clutch : en
  • US1940087A - Power apparatus : en
  • GB403344A - Improvements in or relating to the germinal gland hormones : en
  • CA337930A - Separable fastener : en fr
  • US1939929A - Coupler operating device : en
  • GB403138A - Apparatus for playing a race game of skill : en
  • US1939892A - Glazing clip : en
  • FR757181A - Advanced rotary machine for making foundry cores : en fr
  • DE590000C - Copier : de en
  • US1940016A - Synchronizing system : en
  • US1940338A - Oil distillate cooler or condenser : en
  • US1939978A - Shock absorber for lubricating apparatus : en
  • FR757115A - Improvements made to mops : en fr
  • FR757113A - Advanced windshield wipers for automobiles and other vehicles : en fr
  • GB403427A - Improvements in flashlight devices suitable for photographic and the like purposes : en
  • FR756912A - Liquid dosing and dispenser : en fr
  • GB403195A - Improvements in or relating to the saddles of motor cycles : en
  • DE589957C - Electrical measuring arrangement for remote transmission of measured quantities : de en
  • FR757017A - Stacking device : en fr
  • GB403239A - Improvements in the treatment of natural and artificial silk : en
  • GB403629A - Improvements in or relating to radio receivers : en
  • FR757233A - Manufacturing process for corrosion-resistant and machinable objects : en fr
  • GB403300A - Cylinder-heads and valve gear of multi-cylinder internal-combustion engines : en
  • FR756918A - Vulnerable plaster consisting of a polymerizate of unsaturated organic matter : en fr
  • GB403649A - Improvements in or relating to humidifying apparatus : en
  • DE590102C - Hanging device for curtains : de en
  • FR757282A - Hydraulic transmitter of movements or orders : en fr
  • FR757114A - Remote transmission of synchronous and well-defined movements with amplification of force : en fr
  • GB403376A - Improvements in antennae for radio transmitters : en
  • FR756948A - Products and methods for printing canvas for aircraft wings and airships : en fr
  • US1940102A - Resistance : en
  • US1940287A - Box and crate : en
  • US1940514A - Bathing device : en
  • FR757121A - Folding buffet table : en fr
  • FR757241A - Extendable and adjustable axle for wheelbarrows and other vehicles : en fr
  • FR757238A - Device for polishing shoe heels : en fr
  • US1940204A - Journal box : en
  • FR756955A - Folding bed : en fr
  • FR757169A - : fr
  • GB403309A - Improvements in devices for punching out to shape : en
  • FR757094A - Improvements in underwater mines : en fr
  • FR757105A - Wooden door for apartment : en fr
  • US1940114A - Electrical distance measuring apparatus and method : en
  • US1939771A - Antiskid device : en
  • DE589951C - Electromagnetic multiple armature relay : de en
  • CA338049A - Fluid feeding system : en fr
  • GB403182A - Wall ties : en
  • FR756922A - Process for the resolution of hydrocarbons by means of catalysts : en fr
  • DE546816C - Air cushioning device, especially for the saddle and the handlebars of bicycles and motorcycles : de en
  • GB403234A - Improvements in and relating to washing machines : en
  • USD91227S - Design for a toy : en
  • DE590019C - Closure for football sleeves : de en
  • FR756963A - Direction indicator for vehicles : en fr
  • GB403381A - Improvements in or relating to luggage carriers : en
  • FR757002A - Device for laying railway tracks on assembled metal sleepers : en fr
  • FR757205A - Manufacturing process of metal playing balls : en fr
  • US1940602A - Process for the manufacture of artificial silk : en
  • US1939692A - Accelerator for rubber vulcanization : en
  • US1940186A - Method and apparatus for loading metal : en
  • FR757080A - Raw salt purification process : en fr
  • FR757273A - Hydraulic safety device preventing any inadmissible increase in the speed of the internal combustion engine : en fr
  • DE590047C - Washing machine : de en
  • GB403249A - Improvements in or relating to wall and ceiling coverings, tiles, slabs and the like : en
  • DE589953C - Air jet impact shredder : de en
  • FR757011A - Method for producing ultra-short waves by periodically exciting several conductors by means of oscillations of electrons between said conductors : en fr
  • GB403329A - Improvements in or relating to radio receivers and the like : en
  • FR756904A - Velocipede stand : en fr
  • FR757291A - Portable lighting apparatus comprising an electrically operated hot plate device emitting insecticidal or aromatic vapors and usable for inhalations and fulmigations : en fr
  • FR757328A - Device for discharging material from pneumatic mixing plants for cotton and similar fibers : en fr
  • GB403386A - Improvements in or relating to pneumatic tube conveyors : en
  • GB403422A - Improvements in and relating to variable transmission gear : en
  • GB403333A - Improvements in devices for cooling and aerating milk in cans : en
  • FR756968A - Bracket for lighting devices : en fr
  • FR757271A - Improvements made to tractor wheels : en fr
  • GB403228A - Improvements in or relating to interlocking toy building blocks : en
  • FR757168A - Masonry houses and buildings with metal framework : en fr
  • GB403197A - Improved means for connecting the feet or legs to a bath : en
  • GB403701A - Improvements in and relating to accumulator electrodes : en
  • CA338000A - Photophone apparatus : en fr
  • US1940525A - Electric switch device : en
  • US1939666A - Stapling machine : en
  • US1940315A - Rubber article : en
  • FR756996A - Swimming pool improvements : en fr
  • GB403276A - Improvements in or relating to the manufacture of sheet metal piles : en
  • US1939787A - High-pressure boiler having a large heating surface and particularly adapted for locomotives : en
  • US1940254A - Price ticket holder : en
  • US1939701A - Vehicle brake : en
  • US1940652A - Catalytic process for obtaining valuable refined hydrocarbon oils from heavier unrefined products by the action of high pressure hydrogen : en
  • FR756976A - Device for adjusting the speed of rotation of the woolen rollers : en fr
  • FR756992A - Process for the manufacture and molding of hard metal alloys and articles, in particular cutting tools, drawing tools, etc., made of such alloys : en fr
  • US1939976A - Vehicle body window construction : en
  • US1940126A - Milling machine : en
  • US1940159A - Process of preparing and packing sea food : en
  • US1940582A - Vulcanizing press : en
  • FR757095A - Balanced amplifier : en fr
  • DE590088C - Device for winding and unwinding film strips : de en
  • FR757027A - : fr
  • FR757140A - Cooling devices for internal combustion engines : en fr
  • DE589837C - Laminated sheet metal bodies for electrical machines with radially positioned ventilation webs in these slots, which are axially divided by ventilation slots and consist of sheets of the same diameter : de en
  • FR757324A - Improvements in the manufacture of artificial materials : en fr
  • US1940317A - Oil filter element : en
  • US1940634A - Machine for forming glass articles : en
  • CA338041A - Volume control, etc. : en fr
  • DE589991C - Self-collecting billiards : de en
  • US1940218A - Cellulose ester : en
  • US1940457A - Operating mechanism : en
  • US1940490A - Ornamental device for radiator caps : en
  • US1939761A - Flexible pocket receptacle : en
  • CA338058A - Pie making machine : en fr
  • AU1008132A - Improvements in methods and apparatus for refrigeration : en
  • CA337956A - Electrical connector : en fr
  • DE589971C - Process for the preparation of 4, 8-dioxy-1, 2, 5, 6-dibenzophenazines : de en
  • DE589998C - Printed, written on or marked paper in the form of maps, documents or drawings : de en
  • USRE19032E - T e pray : en
  • US1939763A - Watch and similar timepiece : en
  • US1940360A - Lubricator for high speed elevators : en
  • FR756960A - Advanced safety razor construction : en fr
  • FR757172A - Preparation of an adsorbent carbon for the sterilization of water and various food liquids as well as the adsorption of gases and volatile products : en fr
  • FR757299A - Method and device for obtaining inhomogeneous radiation concentrated in a short-wave beam : en fr
  • GB403172A - Improvements in apparatus for locating lids on cans and the like containers in proper position for the final closure operation : en
  • GB403302A - Improvements in cylinder grinders : en
  • FR757159A - Extendable spare wheel carrier : en fr
  • FR757177A - Improvements to equipment for feeding concrete mixers and mixers : en fr
  • DE590027C - Turntable with a chuck in its central opening and a locking rail : de en
  • US1939839A - Refining of mineral oils by means of alloys or loosely bound compounds of alkali metals : en
  • US1940413A - Rivet : en
  • CA338015A - Railway truck : en fr
  • FR756935A - Rubberized and removable rolling device for tractor and other wheels and wheels with application : en fr
  • FR757056A - : fr
  • US1940079A - Powder can top : en
  • US1940275A - Cam lock : en
  • US1940583A - Window shutter : en
  • DE590036C - Coal dust firing with several nozzles for fuel and additional air : de en
  • DE590040C - Impact sifter : de en
  • GB403248A - Manufacture of a mono-azo-dyestuff on the fibre : en
  • US1940362A - Thumb guard and rest for pistols : en
  • DE590119C - Production of lead and lead alkali silicates : de en
  • DE580206C - Process for the production of waterproof sandpaper, cloth or the like. : de en
  • FR757269A - Mainly flat and rotating table : en fr
  • GB403313A - Improvements in or relating to automatic firearms : en
  • DE590048C - Holding device for laundry on the bleach : de en
  • FR757160A - Successive display device for illuminated posters : en fr
  • FR757195A - Speed reduction gear for flying aircraft motors : en fr
  • GB403942A - Improved method of destructive hydrogenation of carbonaceous matter : en
  • DE590008C - Device for moving the trailer for motor vehicles by hand : de en
  • FR757239A - Thermostat for gas fireplaces : en fr
  • GB403150A - Improvements in or relating to the separation of materials of different specific gravities : en
  • DE555115C - Durable pest repellent : de en
  • US1940465A - Automatic signal switch : en
  • US1939996A - Teeth cleaning device : en
  • US1940655A - Refrigerating apparatus : en
  • FR757099A - Device for the recovery of marine torpedoes : en fr
  • FR757129A - Road roller with liftable transport trolley : en fr
  • US1940038A - Latch or hinge attachment : en
  • FR756995A - Further training in stoves and cookers : en fr
  • FR757289A - Luminous and alternative projection advertising devices : en fr
  • FR757057A - Extendable and incombustible fire rescue corridor : en fr
  • FR757248A - Fruit and vegetable picking machine : en fr
  • FR757345A - : fr
  • DE589987C - Process for the extraction of powdery chrome metal : de en
  • DE550753C - Pump, especially for pumping lubricants and fuels, with rotating and reciprocating pistons : de en
  • DE588469C - Safety switch for the electrical systems of motor vehicles : de en
  • US1939803A - Rotary fountain : en
  • US1940279A - Weather stripping for windows : en
  • DE589894C - Process for the production of a set for degassing ovens, in particular from badly baking bituminous coal : de en
  • US1940419A - Vat dyestuff of the dibenzanthrone series : en
  • GB403274A - Improvements in lubricating systems : en
  • FR757167A - Turbine wheel mounting device : en fr
  • DE590109C - Fire extinguisher : de en
  • FR757270A - Improvements to the multiplication or reduction of frequency by integer factors : en fr
  • US1940656A - Recording device for liquid dispensing apparatus : en
  • US1940556A - Towing device : en
  • US1939938A - Apparatus for dosing liquids : en
  • US1940507A - Battery post oiler : en
  • DK48172C - Bicycle light holder with blocking device for the light. : da en
  • GB403319A - Improvements relating to variable speed driving mechanisms for motor vehicles : en
  • US1940137A - Portable bathtub : en
  • US1939809A - Wall finishing material : en
  • US1940018A - Doorlock : en
  • US1940262A - Welding flux for nonferrous alloys : en
  • GB403167A - Improvements in seats for water-or dry-closets : en
  • US1939906A - Apparatus for dispensing milk : en
  • US1940189A - Cigarette holder and pipe stem : en
  • US1940626A - Laundry drier : en
  • US1940027A - Closure retaining mechanism : en
  • US1940212A - Aeroplane fabric : en
  • US1940247A - Means for reformation of metal wheels : en
  • USD91190S - Design fob a vehicle signal : en
  • DE589928C - Process for the production of objects with a large crystalline structure from refractory metals : de en
  • FR756929A - Packaging retaining its shape in thin material : en fr
  • GB403645A - Improvements in the manufacture of artificial products : en
  • FR756901A - Angle welding system for making the shoe and slipper in felt, leather and canvas : en fr
  • FR757106A - Method and apparatus for treating fabrics : en fr
  • FR757032A - Improvements in printing apparatus for cinematographic films bearing sound recordings : en fr
  • GB403391A - Improved method of and apparatus for raising natural oils and other liquids by gaseous pressure : en
  • DE590013C - Cushioning, especially for motor vehicles : de en
  • FR757203A - Two-piece punch : en fr
  • GB403312A - Improvements in or relating to fluid heaters : en
  • US1940141A - Ornamental tile and the mounting thereof : en
  • US1940378A - Lubricated gas stop : en
  • US1940498A - Braider carrier : en
  • US1940029A - Electron tube : en
  • US1940482A - Lighting fixture : en
  • USD91189S - Design fob a griddle iron : en
  • US1939817A - Washer for package dyeing machines : en
  • US1939846A - Artificial turf and method of making the same : en
  • US1940067A - Dispenser : en
  • US1940645A - Manufacture of bituminous paving material : en
  • DK48151C - Selectivity device for Radio receivers. : da en
  • DE590056C - Process for achieving constant flow conditions in converters : de en
  • GB403379A - Improvements in or relating to means for regulating the output of prime movers of electric generating plant : en
  • US1939709A - Dispensing valve : en
  • US1939752A - Liquid elevating device : en
  • US1939665A - Moving picture camera support and manipulator : en
  • US1940188A - Apparatus for feeding blanks from a hopper : en
  • US1940259A - Gas range : en
  • US1940567A - Production of coke and gas in chamber ovens : en
  • DE590116C - Hand-held rod cutting machine : de en
  • DK48177C - Transportable Serving table, especially Liqueur table. : da en
  • FR756991A - Improvements to film chargers : en fr
  • US1940089A - Phonograph record turntable : en
  • FR757082A - Improvements to variable capacitors for very short waves : en fr
  • FR757100A - Powdering device to fight diseases and insects and ensure the treatment of plants : en fr
  • FR757389A - Threaded sleeve for automotive spring binoculars : en fr
  • DE543176C - Process for packaging goods which are sensitive to the effects of weather or the like : de en
  • FR757343A - Improvement in processes for affixing stickers, ornaments or other indelible signs on bars of soap : en fr
  • GB403706A - Improvements in and relating to alternating current dynamo electric machines more particularly but not exclusively for welding plant : en
  • US1939871A - Apparatus for vulcanizing hose : en
  • US1939673A - Mining machine : en
  • US1939928A - Handle-stop for railway car side doors : en
  • US1940401A - Shell cupola : en
  • US1940542A - Shoe with elastic rubber inlets : en
  • DE589936C - Photographic camera with a mirror rangefinder coupled to the lens : de en
  • DE589958C - Fabric panel with camouflage patterns : de en
  • DE590042C - Looper thread dispenser for sewing machines for the production of a two-thread chain stitch seam : de en
  • DE590044C - Stiffening insert for soft stand-up collars : de en
  • DK48179C - Device by Modulators in Superheterodyne receivers or similar. : da en
  • GB403320A - Apparatus for re-sharpening safety-razor blades : en
  • DE589994C - Straight-way valve : de en
  • DE590049C - Device for dry cooling of coke in a cooling device arranged to be movable by the furnace battery : de en
  • FR757035A - Sealing ring for pistons : en fr
  • USD91220S - Design fob a kadiocabinet ob the like : en
  • FR757013A - Fish trap : en fr
  • FR757275A - Sliding drawing device for drawing benches : en fr
  • DK48166C - Device at a warning sign for open lane crossings. : da en
  • GB403308A - A door-securing device with an arm on the door and a swingable rail on the frame : en
  • US1940263A - Cable clip : en
  • US1940311A - Transformer casing : en
  • US1940643A - Vehicle brake : en
  • AU1052432A - Improved manufacture of foodstuffs rich in proteins : en
  • US1940191A - Opening and closing device for car doors : en
  • US1939648A - Fastening-inserting machine : en
  • DE590152C - Safety device against unauthorized use, in particular of motor vehicles : de en
  • CA338019A - Vulcanization accelerator : en fr
  • CA337994A - Photo tube : en fr
  • CA338069A - Cellulose ester purification : en fr
  • US1939686A - Radiant energy distance determining system : en
  • CA337977A - Gas producer device : en fr
  • US1940151A - Sound picture machine : en
  • CA337992A - Motion-picture apparatus : en fr
  • US1939926A - Truck brake rigging : en
  • US1940012A - Vehicle wheel : en
  • US1940551A - Process for producing fast tints on wool : en
  • AU1049232A - Improvements in powder sprayers : en
  • US1940215A - Button-member for garters : en
  • FR757293A - Advanced hinge : en fr
  • CA337959A - Sign reflector : en fr
  • FR756982A - Improvements to processes for the manufacture of construction elements, in particular plates made of fibers and binders : en fr
  • FR757211A - Liquid culinary flavoring : en fr
  • FR757258A - Inlay process : en fr
  • GB403133A - Improvements in taps and cocks : en
  • AU959332A - Improvements in electrical switches or circuit breakers : en
  • CA337942A - Umbrella holder : en fr
  • DE589917C - Procedure for case curing : de en
  • DE590085C - Method and machine for sewing pile fabric edges : de en
  • US1940214A - Truing device : en
  • US1940292A - Carton : en
  • US1940404A - Feeding mechanism for machine tools : en
  • DE577077C - Device for locking doors, preferably for toilets and washrooms : de en
  • DE590043C - Propeller hub : de en
  • GB403257A - Improvements in colour photography : en
  • US1939993A - Lubricating oil : en
  • US1940064A - Dispensing apparatus : en
  • US1940274A - Magnetic sound reproducing method : en
  • US1939970A - Thermostatic controlled mixing valve : en
  • US1940327A - Food chopper : en
  • US1940152A - Radiator : en
  • FR756994A - Elastic fastening method of an internal combustion engine : en fr
  • FR757068A - Enhancements to t appliance power systems. s. f. : en fr
  • CA337968A - Carpenter's tool : en fr
  • CA338051A - Radial motor manifold and muffler : en fr
  • FR757240A - Improvements to audible warning devices, using aero-dynamic action : en fr
  • US1940510A - Fuel injecting device : en
  • US1939725A - Transmission circuits : en
  • US1940535A - Apparatus for drawing-off heavy gases from above the sealing piston in waterless gasholders : en
  • CA337961A - Rubber-set brush : en fr
  • FR756933A - Centrifugal apparatus for separating metals of different melting points : en fr
  • AU1045132A - An improved catch for animal traps : en
  • US1939767A - Tool for repairing the valve-seats of faucets and the like : en
  • US1939878A - Method of making weather stripping : en
  • US1940061A - Draft connection : en
  • US1939731A - Hand bag : en
  • US1940147A - Tent : en
  • DE589981C - Electric bicycle light with power source : de en
  • GB403401A - Improvements in or relating to fuels in paste, jelly or like form : en
  • US1940155A - Power driven typewriting machine : en
  • US1940184A - Filament activating means : en
  • US1940538A - Jar cap tightener : en
  • FR757048A - Replacement device for electromagnetically triggered light sources : en fr
  • CA337927A - Floor and roof : en fr
  • DE589766C - Process for the production of strong gas in hydrocarbon gas generators with low-temperature degassing : de en
  • DE589930C - Vibration damper for shafts : de en
  • FR757252A - Improvements to containers intended to constitute hot water bottles or ice packs for medical treatment : en fr
  • GB403625A - Improvements in or relating to tools, such as drills, reamers, taps and the like : en
  • DE590114C - Roller briquette press for the briquetting of lignite, smoldering coke, etc. like : de en
  • CA337931A - Magazine pencil : en fr
  • US1940232A - Film feed for moving picture cameras : en
  • FR757166A - Manufacturing process of semi-rigid objects in fabric or decorative paper visible through an appropriate plastic support : en fr
  • US1940206A - Bell striker : en
  • US1939830A - Hitch connection : en
  • US1939880A - Golf ball cleaning device : en
  • US1940286A - Box and crate : en
  • CA338016A - Tank car underframe : en fr
  • DK48160C - Control device for Heaters, especially for Central heating systems. : da en
  • FR757012A - Process for the manufacture of superfatty soaps, shaving cream and similar products : en fr
  • GB403184A - Supports for nets used in the game of "badminton" or such like : en
  • CA337948A - Carbonaceous material hydrogenation : en fr
  • DE590097C - Method and device for separating the hop resins from beer : de en
  • FR757303A - Reinforced wooden trays and their reinforcing bars : en fr
  • GB403275A - Improved device for taking photographs with the aid of a source of flash light : en
  • US1940119A - Automatic heat regulator : en
  • US1940386A - Apparatus for the control of vibrating generators : en
  • US1940420A - Tool for cutting rivets or the like : en
  • US1940545A - Concrete anchoring device : en
  • CA337922A - Aerating machine : en fr
  • CA338043A - Sound gate : en fr
  • US1940316A - Liquid filter : en
  • CA338072A - Yarn winding apparatus : en fr
  • DE554795C - Voice coil for electrodynamic loudspeakers : de en
  • US1940624A - Dry spicing : en
  • US1940640A - Refrigerating apparatus : en
  • USD91186S - Design for an embossed transparent : en
  • US1940230A - Step-wise advancing counter : en
  • US1940354A - Bar unloading skid : en
  • US1940447A - Line marker : en
  • US1940185A - Thermionic valve : en
  • FR757141A - Toy : en fr
  • US1939793A - Manifolding sales pad : en
  • US1940044A - Flowerpot : en
  • GB403154A - Improvements in control valves for garment presses : en
  • US1939992A - Method and apparatus for recording and reproducing sound : en
  • US1940265A - Agent and process for drenching skins : en
  • US1940418A - Buckle : en
  • US1940594A - Suction box : en
  • CA337993A - Display apparatus : en fr
  • US1940171A - Nozzle : en
  • US1940226A - Carburetor : en
  • US1939707A - Font for holy water : en
  • US1940302A - Oscillating joint : en
  • US1940518A - Apparatus for use in the fire control of antiaircraft guns : en
  • DE590065C - Power supply for slip ring machines : de en
  • DE590135C - Machine with a plurality of jobs : de en
  • FR757232A - Corrosion resistant and machinable alloys : en fr
  • FR757300A - Improvements to burners and liquid fuel injectors : en fr
  • US1940000A - Miter joint : en
  • US1940396A - Process for breaking petroleum emulsions : en
  • US1940553A - Hearing-aid device : en
  • USD91214S - Design for an advertising novelty : en
  • FR757249A - Portable laboratory vacuum pump : en fr
  • FR757346A - Fluid coupling for transmission of circular motion, with automatically variable speed ratio, applicable to all motor vehicles : en fr
  • GB403351A - Improvements in or relating to liquid shock absorbers : en
  • US1940505A - Corner splicer : en
  • US1940073A - Art of sulphating olefines : en
  • US1939768A - Centrifugally cast product : en
  • US1940435A - Bobbin-winding device for sewing machines : en
  • US1940055A - Casement screen and the like : en
  • US1940409A - Liquid treatment process : en
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  • DK48162C - Electric Vibration Generator. : da en
  • FR757226A - : fr
  • GB403200A - Improvements in shuttles for looms for weaving : en
  • FR757019A - Compensation device for electron tubes : en fr
  • FR757051A - : fr
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  • USD91205S - Design fob a textile fabric : en
  • DE590094C - Device for charging rotary tube furnaces with sludge-shaped fuel : de en
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  • FR757021A - Method for taking pictures on lenticular grating films : en fr
  • FR756958A - Control device for indicating instruments : en fr
  • GB403326A - Safety device for pockets of trousers or other garments : en
  • FR756990A - radium emitter for the production of radon : en fr
  • FR757046A - Breech box for rifle : en fr
  • GB403254A - Improvements in or relating to buffers for the pickers or drivers of power looms : en
  • GB403330A - Improvements in or relating to manoeuvre signalling devices for use on road vehicles : en
  • FR757194A - Process for the production of diamond : en fr
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  • FR756934A - Wheel for motor vehicle : en fr
  • USD91206S - Design for a rug : en
  • FR757441A - Driving mechanism for sewing machines : en fr
  • DE589913C - Manufacture of metal phosphates : de en
  • DE589932C - Friction wheel change transmission with friction wheels rolling between ring grooves having friction disks : de en
  • DE589941C - Device for storing cloakroom : de en
  • US1940411A - Stroboscope : en
  • FR757086A - : fr
  • FR757280A - Gas protection mask : en fr
  • GB403321A - Tuyere for shaft furnaces : en
  • GB403289A - Method of manufacturing ammonium-trinitrate : en
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  • US1940076A - Bottle washer and sterilizer : en
  • USD91209S - Design for a canopy : en
  • GB403170A - Process of and apparatus for bright-annealing metals : en
  • GB403238A - Improvements in or relating to portable containers for compressed and liquified gases : en
  • GB403409A - Improved magnetic induction testing device and method of balancing the same : en
  • FR757202A - Paper roll device for hairdressing chair headrest or the like : en fr
  • US1939888A - Clutch : en
  • US1940138A - Soap dispenser : en
  • US1940480A - Hide separator and method of making same : en
  • US1940050A - Process for obtaining refined hydrocarbons from heavy unrefined hydrocarbons : en
  • FR757023A - Insulating pad fuse cartridge : en fr
  • CA337944A - Spraying apparatus : en fr
  • FR757089A - Electrical remote control installation : en fr
  • DE590089C - Device for enriching the gas mixture for the drive motors of motor vehicles operated with generator gas : de en
  • GB403256A - Improvements in and relating to railway track ballast tamping machines : en
  • FR756980A - Method and device for coupling the shaft of a pump or turbine with another shaft by means of a friction coupling : en fr
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  • DE589962C - Method and device for regulating the amount of liquid vapor of a desiccant in drying apparatus when using a temperature which exceeds the boiling point of the liquid : de en
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  • FR757340A - Improvements to incandescent electric lamps : en fr
  • US1939744A - Receptacle : en
  • US1940236A - Change gear control mechanism : en
  • GB403157A - Improvements in flying machines : en
  • US1939900A - Dispenser : en
  • DE589939C - Process for the manufacture of tennis rackets : de en
  • DE590093C - Racing game : de en
  • GB403290A - Improvements in or relating to controllers for electric motors : en
  • FR756985A - Improvements to hydraulic shock absorbers : en fr
  • US1940492A - Barrel rotating apparatus : en
  • US1940648A - Process for obtaining valuable distillates from carbonaceous materials : en
  • US1940615A - Machine for cleaning bottles : en
  • DE590134C - Apparatus for making wired glass : de en
  • DK48167C - Billboard. : da en
  • DE590111C - Tripod mount : de en
  • FR757110A - Convertible convertible body : en fr
  • FR757301A - Protective coupling for direct current consumers supplied by controlled discharge vessels, gas or vapor charged : en fr
  • US1940391A - Process for breaking petroleum emulsions : en
  • US1940377A - Flooring : en
  • US1940330A - Shock absorbing mounting : en
  • AU1046132A - Improvements in and relating tothe inflations for teat cups : en
  • US1940481A - Automatic lubricator : en
  • AU1049932A - Improvements in and relating to fuel saving stoves : en
  • US1939759A - Game : en
  • US1939966A - Fruit grader : en
  • US1940231A - robinson : en
  • US1940358A - Feeding mechanism for sewing machines : en
  • US1940539A - Device for making corrections on lithographic printing surfaces : en
  • US1939954A - Gate latch : en
  • GB403143A - Improvements in devices for cleaning the bores of tobacco pipes : en
  • US1939755A - Crown hoist : en
  • US1940334A - Moving vane instrument : en
  • US1940389A - Looper mechanism for sewing machines : en
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  • FR756937A - Improvements relating to liquid spray nozzles : en fr
  • GB403128A - Improvements in or relating to metal-cutting broaches : en
  • FR756945A - Advanced finishing bench for shoemakers : en fr
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  • DE589938C - Flexible engine mounts for motor vehicles : de en
  • FR757116A - Method and device for working iron parts and the like : en fr
  • GB403346A - Improvements in the construction of roadways : en
  • GB403711A - Improvements in or relating to sheet delivery apparatus for printing machines : en
  • US1940590A - Device for rapidly making cross sections of fibers : en
  • US1939952A - Metal wheel : en
  • FR756993A - Electrical switches : en fr
  • FR757256A - Apparatus for the manufacture of tubular articles, in particular casings for bodies in the form of cords or tubes, tubular yarns for textiles, etc., and for woven or knitted fabrics made of tubular yarn : en fr
  • DK48163C - Molding machine for soft materials, such as butter or similar. : da en
  • GB403253A - Improvements in the construction of feathering paddle wheels, in particular for aerodynamic purposes : en
  • GB403139A - Improved method of and means for the recovery of waste mineral oil from internal combustion engines : en
  • GB403650A - Improvements in or relating to soap : en
  • FR757102A - Improvements in means for chopping food or other materials : en fr
  • FR756905A - Improvements to remote control systems : en fr
  • GB403950A - Process for preparing silicon steel sheets for electrical purposes : en
  • GB403327A - Improvements in ventilating road and rail vehicles : en
  • GB403352A - Improvements in or relating to gramophones : en
  • US1940649A - Process for purifying unrefined hydrocarbon oils by action of high pressure hydrogen : en
  • DE590060C - Self-propelled push car for moving track vehicles on sloping lifts : de en
  • DE590108C - Partial device for multicolor intaglio printing, which is built into a pigment transfer machine : de en
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  • USD91204S - Design for a pen stand : en
  • USD91228S - Design fob a camera : en
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  • US1940106A - Means for and method of making grooved fibrous board : en
  • GB403703A - Improvements in apparatus for the treatment of sewage : en
  • US1940130A - Stop mechanism : en
  • US1940376A - Water column for steam boilers : en
  • US1940477A - Textile mechanism : en
  • DE589821C - Ink feed device for printing machines : de en
  • DE589942C - Weaners : de en
  • US1939882A - Printing machine : en
  • US1939857A - Electric hand lantern : en
  • US1940002A - Fountain brush : en
  • CA337983A - Electrical apparatus protection : en fr
  • US1940388A - Pneumatic hand tool : en
  • US1940098A - Seaming machine : en
  • US1940613A - Protective coating composition : en
  • GB403284A - Improvements in or relating to shock absorbers : en
  • US1939927A - Seesaw : en
  • US1940022A - Braking apparatus : en
  • US1940115A - Bottom for slag tap furnaces : en
  • US1939687A - Knife : en
  • US1939961A - Method of making linoleum : en
  • DE590035C - Russblaeser : de en
  • GB403220A - Improvements relating to telephone systems employing automatic selectors : en
  • US1940169A - Hoe and weed cutter : en
  • US1940305A - Method of making rear axle housings : en
  • US1940313A - Tobacco can elevator : en
  • US1939987A - Adjustable elbow for furnaces : en
  • US1940588A - Bathroom structure or the like : en
  • FR756962A - Device for adjusting the air mattress in the pressure tank of water distribution systems : en fr
  • US1940604A - Fish lure : en
  • FR756932A - Advanced hanging insulator : en fr
  • FR757067A - Method for removing blisters, pockets and cracks in cast iron, steel and malleable, and substances for carrying out this method : en fr
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  • DE590069C - Flat weft knitting machine : de en
  • US1939695A - Refrigeration system : en
  • US1939657A - Hand bag : en
  • US1939790A - Can piercing and dispensing device : en
  • US1940657A - Ammunition : en
  • US1940368A - Connecter for neon tubes : en
  • US1939852A - Method of lining gloves : en
  • US1940037A - Lubricating mechanism : en
  • US1940627A - Indicating plug fuse : en
  • US1940540A - Automobile sun and glare shield : en
  • US1940174A - Tubercle waxes and a process for making them : en
  • US1939995A - Lubricating oil : en
  • US1940433A - Stoker drive transmission : en
  • DE590086C - Device on sewing machines for the production of elastic hems : de en
  • USD91197S - Design fob a textile fabric : en
  • FR757151A - Automatic device particularly suitable for sending pulses in automatic telephone networks : en fr
  • GB403635A - Improvements in and connected with power transmission gearing for the running axles of vehicles : en
  • DE589937C - Control slide for oil pressure controls with control edges to which control openings are assigned in a control sleeve : de en
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  • DE589963C - Process for dehairing and degassing boiler feed water : de en
  • FR757096A - Sheet pile anchor that can be inserted from above : en fr
  • FR757204A - Improvements to joints and couplings for pipes and other similar elements : en fr
  • CA337976A - Insulating and acoustical material : en fr
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  • AU1053732A - Improvements in doable-hung metal windows : en
  • FR756913A - Footwear making improvements : en fr
  • FR757070A - Arc lamp refinements : en fr
  • FR757245A - Parachute training : en fr
  • FR756919A - Felt hat : en fr
  • FR757016A - Footwear manufacturing process and resulting products : en fr
  • US1940047A - Cabinet construction : en
  • DE589974C - Absorption machine : de en
  • DE590141C - Device for maintaining a liquid film in bearings and guides : de en
  • US1940380A - Theft prevention device for vehicles : en
  • AU1046632A - Improvements connected with electric arc welding : en
  • CA337958A - Knitting machine : en fr
  • FR757329A - Loom : en fr
  • CA338040A - Thermionic tube energizing means : en fr
  • FR757298A - Device for controlling a gear change for motor vehicles, particularly for railway and tram motor cars, using a pressurized fluid : en fr
  • GB403148A - Improvements in connecting metal parts of engines which are subject to stress : en
  • FR757142A - Process for closing tubes of malleable metal intended to contain liquid or pasty products or other similar applications and tubes conforming to those obtained by this process : en fr
  • FR757119A - Improvements to electrolytic cells : en fr
  • FR757158A - Automatic diffuser device for special sanitizing perfumes : en fr
  • GB403229A - Improvements in means for supply webs : en
  • GB403307A - Improvements in electric water heaters : en
  • GB403689A - A new or improved conveyor apparatus : en
  • US1939851A - Mowing machine : en
  • US1940042A - Journal box : en
  • US1940517A - Machine for applying wrapping materials to canisters : en
  • FR757326A - Fuel oil refinements : en fr
  • GB403131A - Improvements in automatic turret lathes : en
  • GB403159A - Improvements in and relating to the manufacture of mouldings and shaped sections by means of abrasive wheels : en
  • GB403273A - Improvements in or relating to synchronous clocks comprising a striking mechanism : en
  • GB403291A - Method of and apparatus for generating foam for fire extinction : en
  • US1939791A - Can piercing and dispensing device : en
  • GB403292A - Improvements in and relating to weaving looms for continuous weaving in which the weft is inserted by means of pirnless shuttles : en
  • DE589959C - Process for the production of highly refractory stones : de en
  • FR756943A - Improvements to film loading devices for projectors and cinematographic devices : en fr
  • US1939836A - Apparatus for flushing water cooling systems : en
  • US1939942A - Electrical machine : en
  • US1940385A - Electrode for accumulators : en
  • US1940414A - Amplifier circuits : en
  • FR757263A - Basket for cooking eggs : en fr
  • GB403210A - Improvements relating to vibratory screens or riddles : en
  • US1939748A - Feeding device for live stock : en
  • US1940410A - Pumping apparatus : en
  • US1939999A - Door structure : en
  • US1940296A - Attachment for traps : en
  • CA337955A - Cigarette package filler : en fr
  • FR757069A - Electric welding device : en fr
  • IE13255L - Air moistening : en
  • US1940082A - Doorlock : en
  • US1939700A - Muzzle attachment for guns : en
  • US1940091A - Rack for confection and food containers : en
  • US1940217A - Supply mechanism : en
  • US1940578A - Casing for boilers and the like : en
  • US1940001A - Amplifying system : en
  • US1940383A - Phosphorus amide-aldehyde resin and method of preparing the same : en
  • US1940569A - Folding table leg brace : en
  • US1940581A - Automatic machine for making bottle caps : en
  • US1940250A - Power press : en
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  • US1940020A - Hotcap : en
  • US1940105A - Method of and apparatus for manufacturing composition cork sheets : en
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  • US1940557A - Manufacture of calcium hypochlorite : en
  • USD91188S - Design fob safety paper : en
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  • US1940072A - Method of and means for ascertaining and recording the thickness or denier of thread : en
  • US1940512A - Label holder : en
  • US1940636A - Method of covering cushion seats and the like : en
  • USD91229S - Design for a serving tray : en
  • CA337950A - Magnetostrictive vibrator : en fr
  • FR756921A - Improvements to cleaning products : en fr
  • US1940620A - Process of dehydrating magnesium and similar chlorides : en
  • US1939766A - Transmission device : en
  • US1940075A - Smoking pipe : en
  • US1940639A - Prison locking system : en
  • US1939670A - Vulcanizing press : en
  • US1939897A - Dandelion digger : en
  • US1940474A - Brake shoe turning machine : en
  • US1939931A - Railway car structure : en
  • US1940237A - Stop releasing arm for thread carrier rods : en
  • USD91195S - Design fob a textile fabric : en
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  • US1940122A - Surgical instrument : en
  • US1940187A - Dark slide for photographic apparatus : en
  • FR757307A - Improvements in processes to make nitrosyl chloride usable : en fr
  • CA337962A - Tapestry and embroidery : en fr
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  • US1940357A - Automatic free wheeling mechanism : en
  • US1940325A - Shielded spark plug : en
  • US1940462A - Coated fabric : en
  • US1940619A - Processing magnesium : en
  • GB403205A - Improvements relating to apparatus for the contrifuging of thread or yarn windings : en
  • US1939642A - Card for holding buttons : en
  • US1940300A - Circuit breaker : en
  • AU1048032A - Improved metal container : en
  • FR757262A - Internal combustion engine : en fr
  • GB403258A - Improvements in and relating to braces for men's wear : en
  • USRE19028E - Twin-section egg carton : en
  • US1939798A - Pipe wrench : en
  • US1940021A - Reciprocating metal working apparatus : en
  • US1940341A - Treating iron baths : en
  • US1940503A - Color reproduction : en
  • CA337918A - Calendar : en fr
  • US1940146A - Process of purifying phenolphthalein : en
  • AU1007632A - Improved indicator means for use in connexion with electric cutouts : en
  • US1940124A - Cage for antifriction bearings : en
  • US1940366A - Loom : en
  • US1940555A - Airplane : en
  • US1940612A - Process and apparatus for electrolytic production of carrel-dakin solution : en
  • FR756970A - Process for the fresh preservation of liquid dairy products : en fr
  • GB403347A - Improvements in or relating to stern posts, in particular for cargo vessels : en
  • US1939804A - Combined adding machine and typewriter : en
  • US1940108A - Flying machine : en
  • USD91194S - Design fob a textile fabric : en
  • FR757040A - Process for the preparation of mineral oil powders : en fr
  • FR757092A - Electro-acoustic signaling device for use in industrial vehicles : en fr
  • FR757261A - Potato plucking, sorting and collecting machine : en fr
  • DK48169C - Device for Noise Compensators for Radio Devices. : da en
  • FR757015A - Pump to be connected to a piston motor : en fr
  • FR757064A - Split wing : en fr
  • DE590075C - Two-motor gripper control : de en
  • GB403279A - An improved adjustable support for floor centering : en
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  • US1940546A - Dustpan : en
  • CA338063A - Tufted rug : en fr
  • AU1568333A - Improvements in or relating to coupling arrangements for high frequency amplifiers infrequency multiplication devices : en
  • CA337952A - Photo enlarging and printing machine : en fr
  • US1939870A - Electric generator regulator for motor vehicle electric systems : en
  • US1940053A - Yellow and orange colored vulcanizate : en
  • GB403337A - Improvements in articulated ankle joints for artificial feet : en
  • GB403680A - Improvements in and relating to the control of mixed power installations : en
  • CA338075A - Insect exterminator : en fr
  • DE589827C - Two-axle steering frame for electric locomotives : de en
  • DE589964C - Perforated heat storage plate to be placed on the heating tube heads of steam ovens : de en
  • FR756987A - Device intended to produce cold or heat at will in all their applications : en fr
  • FR757111A - Process for manufacturing wholemeal bread sweetener and resulting product : en fr
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  • US1940473A - Apparatus for processing control : en
  • FR756997A - Construction of a swivel band saw : en fr
  • US1939678A - Furnace for conditioning adsorbent materials : en
  • US1940320A - Display stand : en
  • US1939815A - Method of preparing and setting tiles and similar articles : en
  • US1940653A - Obtaining valuable hydrocarbon oils from heavier unrefined products by the action ofhigh pressure hydrogen : en
  • US1940392A - Process for breaking petroleum emulsions : en
  • USD91199S - Design fob a textile fabric : en
  • US1940439A - Fuel for internal combustion engines : en
  • FR756974A - Improvements in devices for the maintenance of parquet floors and other similar applications : en fr
  • US1939703A - Feeding device for finely divided material : en
  • US1940039A - Slug detecting mechanism : en
  • CA338078A - Oil distillation : en fr
  • US1940216A - Lawn mower : en
  • CA337937A - Sulphur and iron oxide recovery : en fr
  • US1940642A - Automatic double buck press : en
  • US1940080A - Construction of stoves : en
  • US1940324A - Manufacture of spark plugs : en
  • US1940090A - Thermostatic control device : en
  • US1940285A - Box and crate : en
  • US1940405A - Chuck : en
  • FR757199A - New thermostat for gas heaters and heaters : en fr
  • US1940140A - Ophthalmic mounting : en
  • US1939808A - Field coil : en
  • AU1113033A - Improvements in or relating to food for animals : en
  • FR757180A - Methods of arranging sheets bound together and folded over one another : en fr
  • GB403259A - Means for preventing rain from dropping off the foreparts of macintoshes, and like waterproof garments : en
  • CA337913A - Yarn bobbin : en fr
  • US1939922A - Centering device for loud speaker cones : en
  • US1940646A - Insecticide and process of making the same : en
  • US1939902A - Nonlinear variable resistance element : en
  • US1939951A - Seed disinfection : en
  • US1940234A - Line spacing device for tabulating machines : en
  • US1939713A - Sterilizer : en
  • US1939918A - Machine for repairing runs in fabric : en
  • CA338030A - Hydraulic turbine : en fr
  • US1940379A - Preheater for oil burners : en
  • US1939769A - Wheel stud : en
  • CA337972A - Wire or cable : en fr
  • AU1097133A - Improvements in and connected with puddling machines : en
  • GB403332A - Improvements in folding spectacles : en
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  • DE589934C - Nozzle system for metal spray guns : de en
  • GB403331A - Improvements in and relating to envelopes and the like : en
  • US1939746A - Wire tightener : en
  • US1939997A - Indirectly heated cathode : en
  • CA337932A - Grain sieve : en fr
  • US1939823A - Boiler : en
  • GB403165A - Improvements in and relating to exercising devices : en
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  • CA338004A - Refractory article production : en fr
  • US1939899A - Apparatus for delivering and measuring liquids : en
  • US1940160A - Edge trimmer : en
  • US1940165A - Spool table : en
  • US1940121A - Cutting machine : en
  • CA337925A - Tool handle fastener : en fr
  • US1939819A - Game apparatus : en
  • US1940631A - Dry cleaning apparatus : en
  • US1940224A - Sleeping garment for babies : en
  • US1940033A - Golf practice and game apparatus : en
  • US1940167A - Utility cabinet : en
  • US1939821A - Transfer and method of making the same : en
  • US1940558A - Cleaning composition : en
  • US1939998A - Process and apparatus for making safety glass : en
  • US1940132A - Steam boiler : en
  • US1940367A - Method for the production of threads in screw-thread rolling cheeks : en
  • US1939958A - Vegetable hiller : en
  • CA337984A - Ultraviolet ray tube : en fr
  • DE590129C - Electric plate heater for large kitchens : de en
  • US1939676A - Cellulose nitrate coating composition : en
  • US1939693A - Process of separating gases : en
  • US1940077A - Vehicle tire and method of making the same : en
  • FR757424A - : fr
  • GB403393A - Improvements relating to vehicle washing apparatus : en
  • US1939988A - Automatic oil purifier : en
  • US1940521A - Pole finder : en
  • US1939708A - Catalysts for the production of methanol and other carbon compounds : en
  • US1939860A - Filtering material and method of preparing the same : en
  • US1940258A - Connecting link : en
  • FR756911A - Improved process for the treatment of substances containing proteinaceous matter : en fr
  • FR757136A - Device for complementary filtering of spinning solutions : en fr
  • GB403186A - Improvements in or connected with spare petrol tanks for motor cars and other petroldriven road vehicles : en
  • FR757230A - Manufacturing process for articles formed exclusively or partially of rubber : en fr
  • DE589996C - Process for the production of a long-life processed cheese with a smoky taste : de en
  • DE590099C - Process for the oxidation of alcohol : de en
  • FR757253A - New propulsion system for ships and similar boats : en fr
  • US1940088A - Sound picture record container : en
  • US1940260A - Vacuum cleaner : en
  • US1939704A - Receptacle filling and closing apparatus and means and method of forming and applying a seal to closed receptacles : en
  • US1940552A - Toy motor : en
  • CA337941A - Safety razor : en fr
  • USD91212S - Design for lace : en
  • US1939639A - Tooth mold : en
  • US1940009A - Making of golf balls : en
  • US1940269A - Automatically controlled article coating apparatus : en
  • US1940298A - Fuel injection apparatus : en
  • FR756928A - Brake, in particular for automobiles : en fr
  • US1939820A - Broach : en
  • US1939829A - Method and means of radiography : en
  • US1940328A - Box picture frame : en
  • US1940554A - Method and apparatus for manufacturing ceramic bodies : en
  • US1940598A - Trick wheel for knitting machines : en
  • US1939855A - Engine : en
  • US1940097A - Radio receiving system : en
  • US1940592A - Method for the production of chloramine : en
  • US1939696A - Separation of gases : en
  • US1940390A - Process for breaking petroleum emulsions : en
  • US1939640A - Stop limit control for firing equipment : en
  • GB403277A - Improvements relating to vehicle headlamps : en
  • US1939930A - Coloring mineral material : en
  • US1940235A - Refrigerating system : en
  • US1940597A - Shoe sole leveling, shaping, and securing machine : en
  • US1939881A - Pressure regulator : en
  • US1940268A - Spray gun : en
  • US1940025A - Farm dumping vehicle : en
  • AU1087833A - Improvements in or relating tothe production of strictly specific antigens or vaccines : en
  • FR757182A - Automatic lighter : en fr
  • GB403631A - Improved device for producing weaver's shuttles and for trimming worn shuttles : en
  • US1939914A - Refrigerator construction : en
  • US1939932A - Prepared resin : en
  • US1940562A - Apparatus for charging a horizontal coke oven with a rammed coal charge : en
  • CA338027A - Tool : en fr
  • GB403385A - Improvements in and relating to material in sheet form adapted for use as roofing and otherwise for structural purposes, and troughs, pipes and other articles formed with the aid of asbestos cement mixtures : en
  • US1940213A - Knockdown paper box with cover : en
  • US1939727A - Wind wing mounting : en
  • CA338035A - Carpet loom : en fr
  • US1939702A - Machine for producing justified groups of impressions : en
  • US1940006A - Loose-leaf binder : en
  • US1940345A - Automatic shifting bushing : en
  • US1940069A - calculating machine - x : en
  • DE589898C - Device for drying the paper web coming from a rotogravure printing machine : de en
  • FR757322A - Worm pump : en fr
  • GB403628A - Improvements in or relating to devices for retaining gudgeon pins in position : en
  • GB403375A - Upholstering material made of rubberised fibres and process for its production : en
  • FR756925A - Badger sterilizer : en fr
  • DE589900C - Mercury vapor lamp : de en
  • DE590104C - Arrangement to relieve mechanical power transmission gears : de en
  • US1939875A - Cable : en
  • FR757103A - Improvements to variable speed transmissions, particularly those for motor vehicles : en fr
  • DE589834C - An electrical oscillating circuit with very low capacitance that serves as frequency standards, especially for high frequencies : de en
  • CA337986A - Electrical oscillation generator : en fr
  • FR756916A - Scaffolding support, adjustable safety device : en fr
  • FR757146A - Process for preparing ointment-like emulsions : en fr
  • FR757171A - Magneto attachment flange : en fr
  • GB403364A - Improvements in or relating to load distribution between power supplies to a network : en
  • FR756924A - Welding improvements : en fr
  • DE590096C - Anchor fork for watches : de en
  • GB403425A - Improvements in or relating to modulation systems for use in radio and other carrier frequency signalling systems : en
  • DE590051C - Manufacture of potash nitrate : de en
  • USD91187S - Design fob safety paper : en
  • FR757117A - generator gas scrubber : en fr
  • FR757022A - Easily replaceable wire fuse cartridge : en fr
  • DE562163C - Base plate for rail fastenings with wedge and curved staple : de en
  • GB403227A - Improvements in the cleaning or scutching of flax, hemp, jute, ramie, and like fibre-bearing stalks : en
  • FR756910A - Apparatus for withdrawing milk from milk jugs : en fr
  • GB403199A - Improvements in variable pitch propellers : en
  • GB403241A - Improvements in or relating to super-regenerative circuit arrangements : en
  • GB403235A - Improvements relating to electrical circuit breakers : en
  • FR757055A - Improvement in eyepieces of glasses and nose clips : en fr
  • GB403304A - Improvements in or relating to a paper testing apparatus : en
  • FR757187A - Thermionic lamp : en fr
  • FR757008A - Matte artificial silk thread : en fr
  • FR757143A - Sheath-corset-bra combination : en fr
  • GB403943A - Improvements relating to jaw or toothed clutches : en
  • US1940593A - Fishing reel : en
  • GB403340A - Contact member for use in electric signalling systems for rail vehicles : en
  • FR757260A - Reinforced cement beams and combinations of these beams : en fr
  • GB403287A - Improvements in or relating to sparking plugs : en
  • FR756998A - Tamper-proof automatic safety starter : en fr
  • FR756909A - vice for machines intended for composing by means of dies and for casting lines for composing machines for printing presses : en fr
  • GB403430A - Hand grenade : en
  • DE589903C - Lying vacuum cleaner : de en
  • DK48157C - Saddle cover for Coil Spring Saddles. : da en
  • GB403223A - Improvements in and relating to crank shaft balancing : en
  • GB403222A - Manufacture of azo-dyestuffs : en
  • FR757037A - Cooling devices for internal combustion engines : en fr
  • FR757306A - : fr
  • GB403207A - Improvements in or relating to apparatus for spraying paint and other liquids : en
  • FR757296A - Multi-way valve for the pneumatic control of the gear shift mechanism of a motor vehicle at both ends of the latter : en fr
  • US1940065A - Separatrion and purification of ortho, meta and para xylene : en
  • GB403383A - Improvements in making valves with sheet metal bodies : en
  • DE589854C - Sliding window with non-sliding side panels and center panels running horizontally on concealed rollers : de en
  • GB403278A - System and apparatus for extinguishing a fire : en
  • FR757213A - Roaster : en fr
  • GB403410A - Improvements in and relating to the electric propulsion of ships : en
  • US1940225A - Electric cable : en
  • CA338044A - Talking picture control system : en fr
  • FR757185A - Smoke device : en fr
  • FR757242A - Automobile wheel : en fr
  • GB403285A - Improvements in metal cutting and like machine tools : en
  • GB403426A - Improvements in or relating to magnetic cores for high frequency inductance coils and transformers : en
  • FR757088A - Quick-acting electrical switch : en fr
  • US1940611A - Method of separating alkali metal : en
  • FR757318A - Machine for classifying, sorting or separating automatically sheets, plates or other objects or products according to their weight : en fr
  • GB403420A - Improvements in cocks or valves, and the method or process of manufacture thereof : en
  • GB403638A - Improvements in flashlight devices suitable for photographic and the like purposes : en
  • US1940310A - Sawing machine attachment : en
  • US1939655A - Humidifier for heating systems : en
  • US1939917A - Glass blowing machine : en
  • GB403387A - Improvements in or relating to garden seats and the like : en
  • US1940441A - Car unloader : en
  • CA338022A - Heat processing in circulatory gases : en fr
  • US1939890A - Structural material, capable of withstanding halogen hydracids : en
  • CA337989A - Elevator cable system : en fr
  • US1939937A - Brine for the transmission of heat and cold : en
  • AU1057032A - Improvements in shoveling apparatus : en
  • US1940157A - Paint can and brush holder : en
  • US1939826A - Railway draft rigging : en
  • US1940342A - Radio instrument : en
  • US1940365A - Razor sharpening device : en
  • US1940040A - Light modifying means : en
  • DE589980C - Bearing insert for electrical machines : de en
  • US1939743A - Automatically collapsible chair : en
  • US1940321A - Automatic golf ball teeing device : en
  • USRE19030E - Twin-section egg cabton : en
  • DE590007C - Air brake for aircraft by means of transversely adjustable brake flaps : de en
  • GB403338A - Improvements relating to the crank chambers of internal combustion engines : en
  • US1939876A - Mounting for rotor plates of multiple variable condensers : en
  • USD91193S - Design fob a textile fabric : en
  • DE589978C - Process for the production of toroidal coils, such as transformers, load coils and. like : de en
  • DE589982C - Process for removing hydrocarbons from gases by adsorption and regeneration of the adsorbent : de en
  • DE590021C - Iron sheet pile wall : de en
  • CA337928A - Magneto collector ring : en fr
  • US1939682A - Aircraft : en
  • US1940291A - Collar support : en
  • US1940361A - Headrest : en
  • GB403176A - Improvements in and relating to flower pots : en
  • GB403270A - An improved method of telemetering the quotient of two measured magnitudes : en
  • US1940347A - Refrigeration system with multiple impellers and shell evaporators : en
  • US1939724A - Method of making inlaid linoleum or the like : en
  • US1940066A - Copper containing azodyestuff : en
  • FR757267A - New winding system : en fr
  • GB403310A - Improvements in tooth brushes : en
  • GB403360A - Improvements in or relating to the purification of gases from hydrogen sulphide : en
  • FR757025A - Improvements in yarn manufacturing : en fr
  • FR757279A - Hygienic cover adaptable to glasses, cups, mugs, terrines and other similar containers : en fr
  • GB403162A - Improvements in or relating to electric ship propulsion arrangements : en
  • US1939653A - Chassis lubrication : en
  • US1939901A - Collapsible box or crate : en
  • GB403263A - Improvements in scaling and fettling machines : en
  • AU1053832A - Improvements in weighbridges or platform scales : en
  • US1940407A - Spring-engaged shoe clutch : en
  • GB403242A - Improvements in or relating to presses for dehydrating colloid material : en
  • AU1208033A - Improved automatic control apparatus for liquid fuel burners : en
  • CA338002A - Silicon carbide product : en fr
  • US1940406A - Paper drinking cup : en
  • US1940008A - Distributor mechanism : en
  • US1940036A - Beverage product and method of producing the same : en
  • US1940200A - Variable pitch propeller : en
  • US1940387A - Gyroscopic pendulum : en
  • US1940559A - Method of uniting wax fabrics : en
  • USD91201S - Design fob a textile fabric : en
  • USD91215S - Design for an advertising novelty : en
  • DE590066C - Electric lantern with a holder for a replaceable battery : de en
  • FR756907A - Improvements in manufacturing processes for abrasive articles of the nature of glass paper or the like - products obtained by means of said process and adhesive for the products in question : en fr
  • FR756954A - Rotary machine for dyeing and washing textiles : en fr
  • DE589975C - Drive for bogies, in particular for motor locomotives : de en
  • FR757038A - Production of masses to be printed : en fr
  • GB403211A - Improvements in means for minimizing the rolling and pitching of ships : en
  • GB403224A - Change speed gear : en
  • GB403267A - Sound-damping movement for clocks : en
  • US1940500A - Display device : en
  • USD91218S - Design fob a rug : en
  • FR757137A - Barge or other afloat transhipment device : en fr
  • GB403160A - Improvements in fluid-pressure measuring devices : en
  • FR757243A - : fr
  • US1940437A - Electrical network : en
  • GB403354A - Improvements in and relating to sound reproducing devices : en
  • GB403687A - Improvements in or relating to manometers or like instruments : en
  • USD91210S - Design for a cabinet : en
  • FR757316A - Improvements to leaf or loose-leaf registers : en fr
  • GB403647A - Improvements in the thermal treatment of hydrocarbons : en
  • DE590033C - Metal steamer : de en
  • GB403676A - An improved apparatus for supplying liquid to zeolite water softening apparatus, sand filters and the like : en
  • DE589896C - Process for the production of lignite-coke briquettes : de en
  • FR756969A - Electronic tubes : en fr
  • FR756971A - Adjustable burner : en fr
  • GB403226A - An improved device for removing superfluous hair from the human body : en
  • FR757157A - Removable binding device and albums, notepads and the like having application : en fr
  • FR757315A - Removable device for assembling electric accumulator plates and their diaphragms and separators : en fr
  • GB403350A - Improvements in or relating to adjustable spanners : en
  • FR757045A - Manufacturing process of a coating for floors : en fr
  • DE590050C - Device for heat treatment, especially for smoldering fine-grain coal : de en
  • CA337933A - Brake : en fr
  • CA337936A - Liquid container cover and brush holder : en fr
  • CA337960A - Sulphide material processing : en fr
  • DE589810C - Cathode ray oscillograph : de en
  • US1940371A - Apparatus for heating gases : en
  • CA337971A - Aluminum silicon alloy : en fr
  • FR757156A - Balanced piston for engine and other applications : en fr
  • GB403187A - Improved traffic-signalling device for road vehicles : en
  • DE589961C - Process for the production of a bituminous paving compound : de en
  • GB403193A - Improvements in or relating to methods of and means for treating rolled tea leaf : en
  • US1939792A - Can piercing and dispensing device : en
  • US1939732A - Welded floor structure : en
  • US1940509A - Electric lamp : en
  • US1940533A - Internal combustion engine : en
  • US1940421A - Riveting machine : en
  • DE589815C - Fabric feed for support arm sewing machines : de en
  • US1940450A - Protector clip for use in hair waving operations : en
  • US1939924A - Sewage treatment plant : en
  • US1939720A - Automatic system of motor control : en
  • US1940272A - Foam generator : en
  • FR757163A - Method and device for fixing the heels of shoes : en fr
  • US1939990A - Process of making grained confection : en
  • US1940370A - Telegraph system : en
  • US1940513A - Process for determining the combustible content in a gas mixture : en
  • US1939828A - Hosiery : en
  • US1939974A - Clutch mechanism : en
  • GB403323A - Improvements in and relating to electric lamps and like devices : en
  • US1940109A - Ice cream and process of making the same : en
  • US1940045A - Paper cup : en
  • US1940504A - Doll's eyes : en
  • US1940610A - Method of mineral tanning : en
  • US1939776A - Apparatus for producing activity or work by atmospheric conditions and displaying the same : en
  • US1940255A - Explosive : en
  • US1940416A - Rear sight for machine guns : en
  • US1939936A - Pipe joint : en
  • CA338029A - Paper manufacture : en fr
  • US1940446A - Dbaft gear : en
  • US1939796A - Duct rodding apparatus : en
  • US1940573A - Process of manufacturing welding electrodes : en
  • US1940369A - Gutter hanger : en
  • US1939750A - Method of and machine for operating upon soles : en
  • US1940427A - Vertical multicylinder four-stroke cycle internal combustion engine : en
  • US1940614A - Ignition mechanism : en
  • CA337990A - Secondary modulation prevention : en fr
  • US1939833A - Garment bottom cutter : en
  • US1940479A - Method and apparatus for forming tubular objects : en
  • AU1110333A - A device forthe prevention of destruction and injury by cattle : en
  • CA337957A - Reflector : en fr
  • US1939660A - Replaceaele tooth for crusher rolls and other crushing elements : en
  • US1940007A - Float valve for hydraulic pumping systems : en
  • FR757186A - Device for automatic film winding : en fr
  • FR757254A - Manufacturing process by casting and by work after casting composite articles comprising nickel and products obtained in accordance with this process : en fr
  • GB403619A - Improved means for locating, and communicating with, sunken ships : en
  • DE590084C - Bearing shell : de en
  • US1939647A - Method of impregnating porous materials : en
  • US1940004A - Illuminated score board : en
  • US1940150A - Automobile horn : en
  • US1940494A - Process of producing phenolphthalein : en
  • US1940468A - Brake : en
  • CA337981A - Weaving mechanism : en fr
  • FR757164A - Support device with variable height position for dental practice spittoon and other applications : en fr
  • FR757078A - Game : en fr
  • FR757277A - Steel piston : en fr
  • FR757325A - Tuning indicator : en fr
  • AU1562333A - Process and arrangement forthe production of amplitude-modulated reversible voltages : en
  • DE589933C - Method and device for tinning metal objects : de en
  • CA337991A - Dual anode : en fr
  • FR756906A - Device for cleaning with liquids or dry : en fr
  • GB403252A - Improvements in photometric apparatus : en
  • GB403388A - The manufacture of new secondary disazo dyestuffs and their application : en
  • DK48174C - Remote control device. : da en
  • US1940190A - Shipping container : en
  • US1940227A - Polymerization : en
  • FR756986A - Process for preparing tank dyes : en fr
  • DE590151C - Door buffers, especially for motor vehicles : de en
  • US1939705A - Vacuum cleaner : en
  • US1939710A - Classifying apparatus : en
  • US1939946A - Process of separating crystalline wax, amorphous wax, and lubricating oil from wax slop : en
  • US1940532A - Bridle strap or tape : en
  • FR756939A - Improvements with flexible harrows : en fr
  • FR757030A - Sealing device for taps : en fr
  • FR757091A - Installation for washing, humidifying, drying, cooling, heating, etc. air, gases or liquids : en fr
  • US1939844A - Emergency valve mechanism : en
  • DE589895C - Process for the production of coarse coke from brown coal briquettes : de en
  • GB403230A - Method for manufacturing a plastic material capable of being hardened : en
  • GB403268A - Improvements in direct injection oil engines : en
  • GB403269A - Process for the manufacture of a substance for the treatment of malignant tumours, in particular cancer : en
  • CA337912A - Gas burner : en fr
  • FR757165A - Traction mechanism : en fr
  • GB403140A - Improvements in and relating to means for fixing net hoops used on net-ball uprightsor for fixing other holdfasts used in sporting apparatus : en
  • FR757196A - Double piston air compressor and mobile pump body : en fr
  • FR757210A - Transposition of combined glasses without calculations : en fr
  • CA337980A - Water heater flue : en fr
  • DE590059C - The use of cast iron for wear-resistant items : de en
  • US1939943A - Lubricating apparatus : en
  • FR757334A - Television enhancements : en fr
  • FR757193A - Improvements relating to aircraft tracking devices : en fr
  • FR756989A - Acoustic tube amplifier and regulator : en fr
  • FR757020A - Beach skill game : en fr
  • US1939733A - Lighting system for toy automobiles : en
  • US1939903A - Apparatus and method of obtaining lighting of luminescent tubes : en
  • DE589979C - Switching arrangement for connecting extra-low voltage high current sources with their consumers : de en
  • FR757147A - Improvement in electrolytic deposits on aluminum and aluminum alloys : en fr
  • GB403265A - Device for stopping and shutting automatically and progressively pipes for gases and vapours under pressure : en
  • FR757133A - Process for increasing the life of chromium-nickel alloys : en fr
  • FR757076A - Diaphragm valve or regulator : en fr
  • FR757109A - Improvements to hydraulic brakes : en fr
  • FR757246A - Process for the manufacture of easily reacting thorium oxide and for the transformation of the latter into thorium salts : en fr
  • DE590054C - Tape reel : de en
  • DE589992C - Self-collecting billiards : de en
  • FR757176A - : fr
  • GB403255A - Improvements in or relating to the treatment of vegetable fibrous materials : en
  • FR757024A - Bar support : en fr
  • FR757149A - Soot trapping vacuum cleaner : en fr
  • GB403145A - Electric watch : en
  • FR757079A - Tongue frequency relay : en fr
  • FR757128A - Improvements to superheaters for locomotive boilers : en fr
  • FR757350A - Envelope-shaped hygienic case for napkin and other linen : en fr
  • GB403299A - Improvements in and relating to turret lathes : en
  • GB403214A - Improvements in or relating to metal rail keys for securing permanent way rails in the rail chairs : en
  • GB403429A - An undershot water-wheel sewage agitator, which moves by impulse of flowing sewage only in a direction at right angles to the flow : en
  • USD91223S - Design for a bug : en
  • USD91225S - Design for a casing fob weighing : en
  • FR757174A - Advanced mounting of bristle <<locks>> on toothbrushes : en fr
  • FR757179A - Refrigerator : en fr
  • FR757339A - Forage dryer : en fr
  • DK48154C - Filter construction with Filter for Purification of sludge-containing water. : da en
  • FR757074A - Improvements to vehicle wheels : en fr
  • DE589910C - Zipper : de en
  • CA338005A - Heating furnace : en fr
  • US1939800A - Display refrigerator : en
  • US1940164A - Apparatus for and process of freezing comestibles : en
  • US1940580A - Light reflecting lamp : en
  • FR756946A - Method for synchronizing transmitters operating on a common wave : en fr
  • US1940023A - Hand lamp : en
  • US1940207A - Offset tandem harrow : en
  • US1939741A - Feeding mechanism for slicing machines : en
  • US1939887A - Hydraulic motor : en
  • US1940372A - Method of obtaining phytosterol, fatty acids and resin acids from raw soap or liquidresin obtained in the manufacture of cellulose according to the sulphate method : en
  • US1940564A - Sandwich filling device : en
  • DE589983C - Skylight : de en
  • US1939734A - Chain link and method of making the same : en
  • US1939975A - Label affixer : en
  • IE12482L - Paper cartons. : en
  • US1940267A - Electric switch : en
  • US1940529A - Method of and machine for conveying concrete : en
  • DE589871C - Process for the production of very thin, disk-shaped tools from hard metal alloys by sintering : de en
  • DE590113C - Processing machine for clay or the like. : de en
  • FR756902A - rapid safety scaffolding for large facades : en fr
  • DE590058C - Wear-resistant and corrosion-proof cast iron : de en
  • DE589916C - Process for obtaining oxygen-enriched mixtures from air : de en
  • FR757087A - Light fitting for road vehicles : en fr
  • US1939716A - Shoe-pressing machine : en
  • US1939818A - Method and machine for producing knitted split fabric : en
  • US1939834A - Counter chair or stool seat : en
  • CA337995A - Motor control system : en fr
  • FR757222A - Thread tension compensator during winding : en fr
  • GB403624A - Improvements in or relating to machines for testing the thickness of sheet materials : en
  • DE589902C - Sink box drive for cotton knitting machines : de en
  • FR757173A - Water sterilization by chlorine and charcoal : en fr
  • US1939719A - Container : en
  • US1940426A - Metal spring cover : en
  • CA338032A - Manufacture of nitrate of lime in globular form : en fr
  • GB403675A - Hand grenade : en
  • US1940059A - Waterinsoluble azodyestuff : en
  • US1939762A - Clock or the like case : en
  • US1940032A - Moisture responsive circuit controller : en
  • US1939672A - Method and means for making films or layers and conditioning the temperature of viscous masses : en
  • US1940010A - Convertible shipping carton : en
  • FR757231A - Gas injection method and apparatus for carrying out the method : en fr
  • GB403283A - Improvements in or relating to television apparatus, synchronising apparatus and thelike : en
  • AU1052332A - Improved seed drill : en
  • US1939659A - Gum inhibitor for hydrocarbons : en
  • US1940013A - Method of treating fruit juices : en
  • US1940382A - Adjustable sealing strip for doors : en
  • US1940576A - Weighing machine : en
  • US1939989A - Toy vehicle and the like device : en
  • US1940438A - Punch : en
  • CA338060A - Light signal : en fr
  • US1940104A - Handle covering : en
  • USRE19033E - Retaining means fob furnace wall : en
  • US1940616A - Excavator : en
  • CA337969A - Road material mixing machine : en fr
  • US1940469A - Brake : en
  • US1940537A - Latch mechanism : en
  • CA337975A - Rotary printing machine : en fr
  • FR757044A - Oscillating, hermetic and thermostatically controlled quartz support : en fr
  • CA337970A - Aluminum base alloy : en fr
  • CA338067A - Steam plant : en fr
  • CA338012A - Nitrocellulose powder : en fr
  • US1940133A - Alloy : en
  • US1939994A - Lubricating oil : en
  • US1940375A - Method and machine for wrapping articles : en
  • US1939786A - Boring tool fixture : en
  • GB403130A - improvements in or relating to thermionic oscillation generators : en
  • DE590018C - Aid for adjusting the shaft height on the last : de en
  • DE590045C - Manufacture of motor vehicle wheel disks with sharp step rings made of affordable light metal : de en
  • FR756972A - Fastener Insertion Machines Improvements : en fr
  • FR757009A - Device for preparing beverages containing carbonic acid : en fr
  • DE589954C - Sewing machine with a needle feed height controlled by the fabric thickness and the stitch length : de en
  • FR757313A - Two-stroke combustion engine with double-acting piston and two auxiliary pistons : en fr
  • US1939983A - Spring toggle : en
  • US1940625A - Window and curtain guide construction : en
  • FR757189A - Improvement in the modulation of electric currents : en fr
  • FR757335A - Improvements in the manufacture of rubber compositions : en fr
  • US1939810A - Biscuit machine : en
  • US1939825A - Gyroscopic horizon indicator : en
  • US1940194A - Method of manufacturing frozen food products : en
  • CA338064A - Spring assembling machine : en fr
  • CA338062A - Patterned rug : en fr
  • US1940451A - Hair waving clip : en
  • CA338017A - Receptacle : en fr
  • DE590025C - Burner with a pilot flame pipe influenced by control devices (e.g. thermostat, water baffle plate) : de en
  • DK48156C - Apparatus for Vulcanizing Tires. : da en
  • US1939643A - Screw thread gauge : en
  • US1939965A - Stencil printing machine : en
  • US1940049A - Machine having pistons and cylinders arranged around a circumference : en
  • US1940608A - Figure toy : en
  • US1939781A - Pivoted and sliding casement : en
  • US1939694A - Sulphur dioxide process : en
  • US1940515A - Refrigerated display counter : en
  • US1940530A - Art of coating : en
  • US1940586A - Flashing time relay : en
  • FR757007A - Filter applied directly to water line taps : en fr
  • FR757217A - Sugar distributor for all public or private establishments : en fr
  • FR757272A - Hydraulic adjustment : en fr
  • US1940014A - Process for dewaxing hydrocarbon oils : en
  • FR757247A - High frequency winding with adjustable self-induction : en fr
  • FR757237A - Improvements to carpets made of rubber elements : en fr
  • FR757317A - Combustion chamber for internal combustion engines : en fr
  • FR757216A - New application of siliceous sandstone and quartzites in the manufacture of crucibles and pots for metal founders and glassmakers : en fr
  • FR756903A - Board game : en fr
  • FR757220A - Improvements to metal-mounted hand saws : en fr
  • FR757005A - Device for adjusting operating variables : en fr
  • US1940547A - Radio direction indicating device : en
  • US1940228A - Radio-amplifying circuits : en
  • DE589927C - Device for mixing goods : de en
  • AU1003632A - Improvements inthe front axles of motor road vehicles : en
  • FR756979A - Stud screwed into a tapped hole : en fr
  • FR757191A - Variable profile airplane wing : en fr
  • GB403208A - Improvements in and connected with the production of luminous signs, drawings or designs in electric gas discharge lamps : en
  • GB403245A - Improvements in or relating to the supercharging of internal combustion engines : en
  • US1939885A - Molding apparatus : en
  • US1939848A - Resilient motor support : en
  • GB403293A - Improvements in and relating to change-speed gears : en
  • GB403423A - A coin freed machine for receiving and delivering messages : en
  • DE589891C - Double ball game with opposing playing fields : de en
  • GB403424A - Improvements in and relating to folding tables and the like : en
  • US1939747A - Fiber-stock refiner : en
  • US1939758A - Pressure extractor : en
  • US1939896A - Brake valve device : en
  • US1940617A - Demountable wheel : en
  • GB403247A - Improvements in and relating to shuttle stop motions for looms for weaving : en
  • US1940116A - Rotary hammer : en
  • US1940294A - Die : en
  • US1940336A - Container : en
  • BE400456A - : en
  • AU1196433A - Improvements in foundation garments : en
  • US1940528A - Rubber composition : en
  • CA338013A - Display package : en fr
  • FR757265A - Machine to fix the heels of shoes temporarily on their seats : en fr
  • GB403251A - Improvements in the manufacture of crepe fabrics : en
  • US1940488A - Sand dredging apparatus : en
  • CA338079A - Combination desk and telephone holder : en fr
  • DE589922C - Device for Pó� measurement according to the compensation method with a voltage divider as a measuring bridge, against which the voltage of the electrode system is compensated : de en
  • US1940101A - Variable speed transmission : en
  • US1940344A - Fluid motor : en
  • CA337908A - Carbureter : en fr
  • CA338038A - Amplifying and reproducing system : en fr
  • GB403315A - Improvements in water tube steam boilers : en
  • US1939644A - Chuck : en
  • US1940476A - Textile mechanism : en
  • DE589949C - Process for the production of salts from core-mercured cresols : de en
  • DE590123C - Choke coil to prevent radio interference caused by the operation of mechanical rectifiers : de en
  • FR757153A - Welt enhancements : en fr
  • GB403194A - Improvements in or relating to bathing costumes : en
  • US1939690A - Synchronous alternating current inductor compass : en
  • US1939783A - Self contained vapor engine : en
  • FR757235A - Fuel distribution column : en fr
  • CA337967A - Salt and pepper shaker : en fr
  • FR757065A - Improvements made to the assembly and adjustment of the sound box in tape phonographs : en fr
  • FR757308A - Improvements made to rolling doors, especially for buildings : en fr
  • GB403685A - Improvements in acoustic diaphragms and method of making the same : en
  • US1940176A - Contact making device : en
  • US1940242A - Pipe storage apparatus : en
  • FR757014A - Improvements to sealing devices for doors and windows : en fr
  • FR757066A - Shirt button : en fr
  • GB403271A - Improvements in or relating to veneer assembling machines : en
  • US1939757A - Pressure extractor : en
  • US1939814A - Apparatus for testing printing ink and paper : en
  • US1939784A - Shoe sole leveling and shaping machine : en
  • US1940095A - Coin collector : en
  • US1939837A - Humidifier material : en
  • USRE19029E - Twin section egg carton : en
  • CA337988A - Elevator safety system : en fr
  • GB403137A - Improvements in or relating to regulating means for prime movers : en
  • GB403301A - Improvements in or relating to welding : en
  • FR756983A - Improvements made to drain devices for sinks, washbasins, etc. : en fr
  • GB403155A - Improvements in or relating to electro-optical apparatus : en
  • GB403421A - Improvements in shuttleless looms : en
  • IE12832L - Electric discharge tubes : en
  • FR757018A - Improvements to devices for controlling the fuel and air supply of supercharged internal combustion engines : en fr
  • GB403164A - Improvements in or relating to the recording of sound : en
  • US1939760A - Means for suspending porcelain insulators : en
  • US1940442A - Label holder and method of making the same : en
  • AU1013032A - An improved chemical hygroscope : en
  • US1939971A - Apparatus for dry cleaning : en
  • US1939962A - Aeroplane toy : en
  • US1940454A - Display stand : en
  • DE552007C - Manufacture of potassium nitrate from aluminum nitrate and potassium chloride : de en
  • FR756920A - Signaling process for files or documents and new device resulting from its application : en fr
  • FR757126A - Improvements to electric oscillation transmitters for wired or wireless signaling : en fr
  • US1939641A - Wheel : en
  • FR757120A - Device for converting an alternating current of given frequency and number of phases into an alternating current of different frequency and number of phases : en fr
  • DE590002C - Leaflet explaining individual photos : de en
  • GB403325A - Improvements in and relating to advertising devices : en
  • CA337997A - Conductor insulation impregnating method : en fr
  • FR757054A - Tightening wrench : en fr
  • US1939854A - Stoker : en
  • US1940444A - Automobile body and top : en
  • FR757138A - Improvements to rotisserie ovens : en fr
  • US1939728A - Hinge : en
  • US1939842A - Method of and apparatus for impregnating and/or surface coating fabrics : en
  • US1939967A - Glass rolling apparatus : en
  • US1940118A - Process of extracting borax from ore : en
  • US1940485A - Door operating mechanism : en
  • FR757083A - Pot-turbine for artificial silk spinning : en fr
  • FR757234A - Process for the preparation of purified lubricating and resistance oil from used oils, by centrifugation : en fr
  • FR756915A - Bra : en fr
  • DE590082C - Carburetors for internal combustion engines : de en
  • GB403356A - Improvements in and relating to methods of and apparatus for electrical distribution : en
  • GB403413A - Improvements in and relating to connections or couplings for tubular bodies : en
  • FR757337A - Spark plug eliminates fouling due to carbon deposits on the part of the insulation in contact with the gases : en fr
  • US1940508A - Kydraulic system : en
  • USD91222S - Design for a lighting fixture : en
  • GB403400A - Improvements in or relating to lock nuts : en
  • FR757042A - Tipping device for skips : en fr
  • CA337914A - Loading device : en fr
  • US1940543A - Polishing mop : en
  • GB403262A - Improvements in or relating to guiding devices for automobile vehicles adapted to run either on a road or on a railway track : en
  • US1940566A - Draught chimney top : en
  • DE590090C - Anti-skid holding device for twin wheels with pneumatic tires for motor vehicles : de en
  • FR757297A - Freewheel clutch mechanism for transmission of high loads : en fr
  • FR757330A - Four-stroke internal combustion engine with piston pump for supercharging : en fr
  • GB403648A - Improvements in or relating to solid gelled non-drying vegetable oils and compositions containing them : en
  • US1939751A - Well pumping unit : en
  • DE589985C - Leaching drum : de en
  • FR757108A - Billiards : en fr
  • GB403129A - Improvements in and connected with the construction of pipes, conduits, sewers or the like : en
  • GB403206A - Improvements in apparatus for controlling the flow of gases : en
  • US1940596A - Packing for fragile articles : en
  • FR757290A - Method and device for adjusting the reactive power of an alternating current electrical distribution : en fr
  • GB403377A - Improvements relating to radio direction finders : en
  • GB403683A - Improvements in apparatus for controlling the speed of power driven vehicles : en
  • FR757175A - Method for indicating the degree of wear of tire treads : en fr
  • US1940026A - Shaving composition : en
  • US1939668A - Means for making core laminations : en
  • US1940199A - Dust extractor : en
  • US1940229A - Button feeding attachment : en
  • DE589714C - Rotary piston internal combustion engine : de en
  • DE589989C - Teaching model of electrical machines : de en
  • GB403353A - Improvements in or relating to gramophones : en
  • GB403311A - Device for cleaning grooved rails : en
  • FR757207A - Wet coal separation system using the flotation process : en fr
  • DE590071C - Device for adjusting the control range on automatic differential pressure regulators for electrically operated compressors : de en
  • DK48173C - Two- or multi-cylinder High- and Low-pressure steam engine. : da en
  • DE589849C - Device for transferring molten glass from a vat into a pouring ladle : de en
  • GB403630A - Improvements in shearing heads for shearing animals : en
  • FR757321A - Further training at vehicle checkouts and more particularly motor vehicles : en fr
  • GB403305A - Improvements in or relating to brooder houses and the like : en
  • DE589905C - Gate valve with a bypass duct which is arranged within the valve housing and connects the two sides of the valve and into which a shut-off element controlled by the valve plate holder is switched on : de en
  • FR756941A - Improvements to cameras convertible into projectors : en fr
  • FR757084A - Process for the production of metalliferous monoazo dyes : en fr
  • DE589915C - Line shift wheel clutch : de en
  • GB403328A - Improved nail : en
  • FR756914A - Improvements to locks, padlocks and the like : en fr
  • DE590055C - Process for reducing fuel consumption in metallurgical furnaces, in particular blast furnaces : de en
  • DE590128C - Moisture-proof electric heating pad : de en
  • FR756961A - Improvements to solid fuel carbonization processes at low temperatures : en fr
  • GB403179A - Process and apparatus for the treatment of waste metal products : en
  • US1939960A - Die-casting machine : en
  • US1940434A - Wind-driven photomachine gun : en
  • US1940534A - Roofing nail : en
  • US1940633A - Portable blower for spinning frames and other machines : en
  • CA338011A - Ammonia oxidation : en fr
  • DE589869C - Hydraulic flow coupling : de en
  • US1939832A - Stove : en
  • US1940622A - Electric induction furnace method : en
  • CA337938A - Lubricating device : en fr
  • US1939867A - Receptacle : en
  • US1940043A - Dumping truck : en
  • US1940195A - Insulator cap : en
  • US1940182A - Machine for making sanitary napkins : en
  • DE590041C - Double lockstitch machine : de en
  • IE12775L - Tobacco pipes. : en
  • GB403633A - Improvements in or relating to lamp shades for billiard tables : en
  • US1940629A - Piston alloy : en
  • FR757123A - New Water Insoluble Azo Dyes and Method of Preparation : en fr
  • FR757184A - Air pump for inflating tires : en fr
  • FR757145A - Slider for continuous spinning and twisting looms : en fr
  • DE590024C - Device for the saturation of sugar juices : de en
  • FR756936A - Oil burner and other heavy liquid fuels : en fr
  • GB403147A - Improvements in automatic electro-magnetic contactors : en
  • USD91217S - Design for macaroni : en
  • GB403361A - Improvements in or relating to absorption refrigerating apparatus : en
  • US1940175A - Method and device for winding a filiform member within a hollow body : en
  • DE589940C - Process for the production of glazes on concrete bodies : de en
  • FR757188A - New turbine : en fr
  • FR757075A - Electrode arrangement : en fr
  • DE589901C - Gas generating plant for motor vehicles : de en
  • GB403203A - Improvements in or relating to the production of photographic prints : en
  • DE589986C - Process for reducing chromium oxide : de en
  • DE589921C - Electromagnetic overcurrent switch with knee joint contact : de en
  • DE590107C - Process for the production of light-sensitive layers on suitable substrates and of diazo light images therefrom : de en
  • DE589948C - Process for the preparation of Aminoethanesulfonic acids : de en
  • DE589988C - Process for refining and refining metals or alloys : de en
  • DE589884C - Sliding window in which the weight of the sash is balanced by the force of a spring : de en
  • GB403690A - Improvements in or relating to the manufacture of panels and sheets for building and other constructional purposes : en
  • DE589830C - Arrangement for generating tilting vibrations using a charging tube, especially for mains connection operation : de en
  • DE590076C - Flue gas collection hood of an upright, cylindrical boiler : de en
  • US1940283A - Clip : en
  • US1940278A - Form clamp : en
  • GB403152A - Valve giving constant rate of flow : en
  • GB403642A - Improvements in apparatus for treating substances by means of the action of a fluid : en
  • CA337939A - Tape serving machine : en fr
  • CA338073A - Windshield wiper motor : en fr
  • AU1108533A - Means for detachably securing treads tothe heels of boots or shoes : en
  • US1939868A - Grate : en
  • US1940440A - Operation of internal combustion engines : en
  • DE589999C - Process for making a film for photographic use : de en
  • GB403236A - Improvements in igniting devices for furnaces : en
  • CA337978A - Slow match composition : en fr
  • FR757081A - : fr
  • CA10163S - Pin, brooch, crest, ring or emblem : en
  • US1939674A - Barrel sanding machine : en
  • CA338018A - Silicon carbide resistor : en fr
  • DE590072C - Process for purifying the air we breathe from volatile bases : de en
  • US1940221A - Cement bag : en
  • US1939742A - Quick change battery container and clamp : en
  • US1940323A - Method of assembling spark plugs : en
  • US1940549A - Laundering apparatus : en
  • US1939677A - Limb joint for dolls and the like : en
  • US1939853A - Transport for lawn mowers : en
  • US1940353A - Method of reducing frozen liquid : en
  • US1940304A - Machine for riveting, punching, pressing, stamping, and like operations : en
  • US1940363A - Gummed paper : en
  • US1940570A - Process for making shaped, rapidly and easily soluble mixtures of soaps and persalts : en
  • US1940467A - Steam heating system : en
  • US1940599A - Temperature controlling device : en
  • US1940459A - Means for manufacturing soda ash : en
  • DE590032C - Device for measuring the mercury vapor pressure in rectifiers : de en
  • US1939799A - Lead of high resistance against the action of hot sulphuric acid : en
  • FR757059A - Device for preparing beverages containing carbonic acid : en fr
  • DE590037C - Blower with a rotating body as a housing and a swash plate : de en
  • US1940329A - Squeegee for windshield swipes : en
  • US1940210A - Faucet syringe : en
  • US1940295A - Regulating system : en
  • DE589908C - Sewing machine for creating straight stitches and zigzag stitches using a needle that is moved sideways : de en
  • DE589929C - Rotary piston internal combustion engine : de en
  • DE590061C - Process for the operation of vehicle propulsion systems, which consist of blower-driving deflagration internal combustion engines and expansion machines which develop vehicle propulsion power : de en
  • FR757208A - Apparatus more specially intended for cutting and drilling ceramic, earthenware or similar tiles : en fr
  • US1939723A - Soldering machines : en
  • US1940128A - Cabinet ironing board : en
  • US1940034A - Commercial air filter : en
  • US1940577A - Lever for track scales : en
  • US1939753A - Fountain pen : en
  • US1940443A - Milling machine : en
  • USD91202S - Design for an electrode housing : en
  • US1940417A - Bituminous pavement : en
  • FR757130A - Soluble Ink Reservoir Pen Holder : en fr
  • FR757259A - Finger guard device for doors : en fr
  • FR757288A - Improvements in the installation of electrical switches whose operation involves the use of pressurized gas : en fr
  • GB403437A - Improvements in or relating to short wave oscillation generators : en
  • DE589969C - Process for the production of formaldehyde condensation products from urethane and urea in aqueous solution : de en
  • FR757090A - Process for manufacturing secondary disazo dyes : en fr
  • GB403646A - Improvements in acidylation : en
  • FR757295A - Spinning glue machine with gas heater : en fr
  • GB403174A - Improvements in or relating to plug-and-socket connectors, switches, fuses and the like : en
  • DK48180C - Fatty Oil Purification Plant. : da en
  • GB403178A - Improvements in or relating to apparatus for cleaning oils : en
  • US1939714A - Sterilizing means : en
  • US1940162A - Method and equipment for handling strain insulators : en
  • GB403233A - Manufacture of weatherproof luminous substances : en
  • US1940245A - Light sensitive cell : en
  • US1939898A - Loud speaker construction : en
  • DE589993C - Fuel filter with fuel cock : de en
  • US1939964A - Structural tower : en
  • US1940017A - Automatic hen's nest : en
  • GB403158A - Improvements in or relating to the construction of concrete arches for bridges : en
  • FR756959A - Improvement in starting mechanisms : en fr
  • GB403282A - Improvements in dispensing devices : en
  • GB403363A - Improvements in devices for compensating the speed of bobbins and the like, more particularly in the winding of artificial silk : en