• US2197956A - Vapor phase dehydration of acetylenic alcohols : en
  • US2198382A - Rotary pump : en
  • US2197859A - Package : en
  • US2198132A - Refrigerant compressor controller : en
  • US2198311A - Cigar or cigarette lighter : en
  • US2198425A - Hair net : en
  • CA388191A - Vehicle underframe : en fr
  • US2197981A - Electric connector : en
  • US2198547A - Crusher and spreader : en
  • DE690508C - Closure for motor vehicle doors u. like : de en
  • AU110358B2 - Improvements in and relating to propelling pencils with lead sharpening means capable of being brought into the operative position : en
  • DK57522C - Method of Manufacturing Tools. : da en
  • US2198007A - Electric lamp : en
  • AT158577B - Pipe clamp with shut-off valve for creating a branch line from pressurized lines. : de en
  • CA388179A - Tin opening device : en fr
  • DE690303C - Chute generator with grate for the simultaneous gasification of coarse-grained and fine-grained fuel : de en
  • DE690363C - Shoe molding machine : de en
  • DE690491C - Method of decorating glass : de en
  • US2198335A - Eraser feeding mechanism : en
  • US2197852A - Gate : en
  • US2197794A - Method of and apparatus for treating fruit : en
  • US2197757A - Gauge : en
  • US2197870A - Auxiliary shelf : en
  • US2198433A - Car roof : en
  • US2198585A - Method for generating and distributing fire extinguishing foam : en
  • AU110364B2 - Improvements in or relating to rail fastening means and to spikes for' use in connection therewith : en
  • FR854811A - Mercury Arc Converter : en fr
  • CA388183A - Twist drill grinder device : en fr
  • US2198498A - Apparatus for forming sprue tube sockets : en
  • US2198424A - Microphone apparatus : en
  • US2198067A - Sheet feeder : en
  • DE690415C - Transparent disc used as a template for shaping eye glasses : de en
  • DE690333C - Silicon-containing aluminum bronze : de en
  • DE690545C - position : de en
  • AT158556B - Clamping device for clamping a canopy that can be attached to a walking or mountain stick. : de en
  • GB520573A - Process for the manufacture of basic condensation products : en
  • DE690354C - Rayon bobbin : de en
  • DE690376C - Arrangement for measuring very small DC voltages according to the compensation method : de en
  • DE690494C - voltage or individual currents by means of electrolyte carriers : de en
  • CA388206A - Gas cutting apparatus : en fr
  • US2197823A - Moisture meter and controller : en
  • US2197872A - Treatment of hydrocarbons : en
  • US2198386A - Valve : en
  • USD120185S - Design for a coat : en
  • US2197860A - Phthalocyanine dyestuffs : en
  • GB520386A - Improvements in or relating to the beating of shoe parts : en
  • GB520546A - Improvements in and relating to heat exchange devices : en
  • DK57509C - Apparatus for conveying and tightening continuous webs of paper or textile fabric. : da en
  • FR854916A - Electrical communications systems : en fr
  • US2198455A - Valve actuator for floor furnaces : en
  • GB520487A - Improvements in or relating to the control of battery-charging generators for use invehicle installations : en
  • US2198061A - Reflecting sign : en
  • USD120145S - Design for a glider : en
  • US2197951A - Flyer clearer : en
  • US2197993A - Vocamonica : en
  • AU110361B2 - Improvements in or relating to joint constructions : en
  • FR854708A - Method and device for removing molten metal layers from an electrolyser with a carbon coating of electrodes : en fr
  • US2198323A - Amplifier : en
  • USD120163S - Design for a textile fabric or similar article : en
  • GB520414A - Improvements in or relating to stoppers for bottles or the like : en
  • DE690390C - Process for finishing knitted goods made of natural or artificial silk with aqueous rubber dispersions : de en
  • DE690485C - Circuit for frequency multiplication or division of high frequency and ultra high frequency oscillations : de en
  • FR854862A - Improvements in means for priming centrifugal pumps for liquid : en fr
  • USD120184S - Design foe a woven fabric : en
  • AT158591B - Electric switch for wire radio. : de en
  • AU165939A - Improvements in or relating to joint constructions : en
  • US2198104A - Butyl alcohol fermentation process : en
  • US2198321A - Clutch control mechanism : en
  • CA388203A - Abrasive article : en fr
  • DE690411C - Counter tube device for measuring short-wave radiation : de en
  • US2198443A - Light indicator : en
  • GR8974B - BOMB ARMER MIX. : el en
  • AT158515B - Process for the production of pyrotechnic spray bodies. : de en
  • DE690372C - Switch arrangement for high performance : de en
  • GB520438A - Improvements in and relating to collapsible dispensing capsules : en
  • DE690493C - Colorimeter : de en
  • US2197784A - Preparation of bakery materials : en
  • US2198531A - Safety razor : en
  • AT158530B - Circuit arrangement for resonant circuits. : de en
  • DE690527C - Device for controlling swinging pre-grippers mounted outside the printing cylinder on sheet-fed printing machines : de en
  • FR854710A - Rock hole punch : en fr
  • GB520353A - Improvements in or relating to brake shoe linings : en
  • FR854696A - Tool for stripping the junction ends of conductive wires : en fr
  • GB520464A - Improvements in or relating to apparatus for the washing and sterilising of vessels : en
  • US2198420A - Ventilating apparatus : en
  • AT158546B - Thread reel. : de en
  • CA388180A - Riveting tool : en fr
  • GB520518A - Case, particularly for razor blades : en
  • FR854673A - Manufacturing process for hollow glass objects : en fr
  • FR854744A - Hydrocarbon treatment process : en fr
  • GB520367A - Air nozzle for flat spraying appliances : en
  • US2198301A - Water cylinder liner retainer and packing gland for pumps : en
  • AT158625B - Electric pipe welding machine. : de en
  • GB520388A - Improvements in automatically operative tilt limiting devices for motor cycles : en
  • US2198174A - Refrigeration control system : en
  • US2198258A - Refrigeration system : en
  • DE690548C - Device for dispensing toothpicks, cigarettes, Zuendhoelzern, Selbstverkaeuferpackungen u. like : de en
  • DE690365C - Quadruple break-barrel rifle lock with two longitudinally lockable bolts arranged one above the other : de en
  • US2197973A - Nose protector : en
  • US2198528A - Stick holder : en
  • US2198074A - Method of making bearings : en
  • US2198567A - Driving journal lubricant : en
  • GB520497A - Improvements in or relating to electric remote control systems : en
  • DE690348C - Arrangement to distribute the load over several para : de en
  • US2198583A - Ether esters of nuclear substituted salicylic acids : en
  • US2198381A - Water softening process : en
  • US2198503A - Tube tester : en
  • DE690472C - Electrically heated hotplate with heating conductors embedded in a cast body : de en
  • DE690433C - Rigid, waterless gas container : de en
  • US2198134A - Grill : en
  • FR854820A - Improvements to fluorescent and phosphorescent tubes : en fr
  • CA388194A - Temperature control system : en fr
  • FR854829A - Cold or hot bonding process : en fr
  • GR8975B - METHOD AND MEANS OF AUTOMATIC HEATING OF CONCENTRATED FOOD PREPARED IN THE BOX AS WELL AS APPLICATION OF THIS METHOD IN VARIOUS OTHER BECAUSE. : el en
  • US2198003A - Roll lathe headstock : en
  • GB520532A - Improvements in and relating to dielectric and cooling mediums : en
  • GB520437A - Improvements in, and connected with, clutches : en
  • FR854711A - Device for the adjustment of gas-charged internal combustion engines : en fr
  • GB520425A - Improvements in or relating to refrigerating systems : en
  • US2198247A - Speed control : en
  • US2198292A - Mineral oil composition : en
  • US2198030A - Brake control means : en
  • US2198032A - Antiskid device : en
  • US2198185A - Production of aryl substituted olefins : en
  • USD120205S - Design for a textile fabric : en
  • US2197797A - Coupling or clutch : en
  • FR854652A - Improvements to wire winding machines : en fr
  • US2198255A - Multiple pan : en
  • GB520416A - Improvements in and relating to internal combustion engines having means for resiliently mounting the cylinders thereof : en
  • GB520557A - Improved method of and means for producing or finishing gear teeth by a grinding or honing operation : en
  • US2198447A - Safety valve for steam generators : en
  • US2197847A - Cross-wound package : en
  • US2198047A - Sanding and surface finishing machine : en
  • US2198058A - Exerciser : en
  • US2197985A - Vertical gas-fired kiln, furnace, or the like : en
  • US2197966A - Telephone signaling system : en
  • US2198065A - Process for purifying wood pulp : en
  • FR854825A - Device for remote control of motor power supply : en fr
  • FR854930A - Machine for cutting wood into slices, in particular for supplying gasifiers : en fr
  • US2197856A - Manufacture of yarns containing staple fiber from yarns composed of continuous filaments : en
  • US2198305A - Gas and liquid contact apparatus : en
  • GB520515A - Improvements in or relating to portable lamps : en
  • FR854935A - Device for collecting a liquid flowing by gravity spread over a support wall : en fr
  • US2197908A - Safety wrench : en
  • US2198244A - Detachable box handle : en
  • FR854871A - Skein Yarn Mercerizing Machine : en fr
  • US2198556A - Burner control system : en
  • US2197758A - Transmission mechanism : en
  • US2198543A - Rotary valve mechanism : en
  • US2197994A - Color photography : en
  • US2198367A - Production of gi : en
  • FR854721A - Improvements to blind landing devices for aircraft : en fr
  • FR854853A - Device for controlling the film feed dogs in cinematographic cameras and projection devices : en fr
  • GB520378A - Improvements in or relating to machines for preparing welted boots or shoes for the application of outsoles : en
  • FR854900A - Process for removing wax from hydrocarbons by centrifuging in two or more phases : en fr
  • GB574673A - Improved means for feeding ammunition to belt fed machine guns : en
  • FR854717A - : fr
  • DE690547C - Inlet belt roller : de en
  • US2198538A - Process for manufacturing artificial fiber from protein contained in soybean : en
  • CA388213A - Ball bearing adjustment : en fr
  • US2198237A - Snow plow : en
  • US2197768A - Polymerized hydrocarbon composition : en
  • USD120198S - Design for a dress ensemble : en
  • GB520360A - Improvements in registration number plates for motor vehicles : en
  • DE690389C - Handle for electric iron : de en
  • FR854692A - Control and graduation system for radio devices : en fr
  • US2198389A - Ball rolling game : en
  • US2198357A - Bismuth alpha ethyl-n-caproate and a process of making it : en
  • AT158619B - Method and device for lining an engine cylinder made of light metal with a lining of greater hardness and higher melting point by centrifugal casting. : de en
  • CA388190A - Shoe insole : en fr
  • US2197954A - Valve : en
  • US2198310A - Gas-burning boiler and water heater : en
  • DE690471C - Electromagnetic time relay : de en
  • US2198262A - Wire connector : en
  • USD120158S - Design for a box : en
  • DE690455C - Connection of parts : de en
  • US2197914A - Hose connection : en
  • US2197964A - Method for the production of an alkali metal salt of a mono-alkyl trithiocarbonate : en
  • US2198377A - Lapping machine : en
  • AT158573B - Fuel delivery system for injection internal combustion engines. : de en
  • US2197972A - Covering element and method of making the same : en
  • US2198469A - Controller : en
  • US2197934A - Power-regulating device : en
  • US2198026A - Signal horn : en
  • US2197791A - Tent : en
  • AT158523B - Process for the production of fuels suitable for operating diesel engines. : de en
  • GB520379A - Improvements relating to road vehicle wheels : en
  • US2197774A - Noncorrosive antifreeze liquid : en
  • US2198387A - Paper making machine : en
  • USD120136S - Stemmed goblet or similar article : en
  • USD120152S - Design foe a stove : en
  • USD120164S - Design fob a dress : en
  • GB520374A - Improvements in or relating to devices comprising a cathode ray tube with magnetic deflection : en
  • GB520547A - Improvements in containers for articles and substances liable to deterioration in air : en
  • US2198466A - Siding for buildings : en
  • DE690408C - Telecommunication device for remotely operated adjustable organs : de en
  • DE690422C - System for the operation of gas-air steam engines : de en
  • FR854784A - Improvements to fiexible mechanisms for the transmission of energy or movements : en fr
  • GB520397A - Machine gun and camera actuating mechanism : en
  • GB520472A - Improvements relating to producing powders or granules from metal, ivory, fibre and the like : en
  • CA388224A - Burner regulator : en fr
  • FR854690A - Improvements to coupling devices for tractors : en fr
  • US2198340A - Electron discharge modulating device : en
  • FR854752A - Anthraquinone series tank dyes and method of production : en fr
  • FR854757A - Assembly comprising a photocell followed by an amplifier : en fr
  • US2198317A - Multistage vacuum tube amplifier : en
  • DE690552C - Pipe connection : de en
  • US2198008A - Tear resisting rubber sheeting : en
  • FR854737A - Recirculating heating coke regenerator : en fr
  • GB520524A - Improvements in and relating to hydraulic driving mechanisms for reciprocating machine elements : en
  • CA388202A - Abrasive article : en fr
  • US2198410A - Fire alarm : en
  • US2197980A - Bellows latch device for accordions : en
  • US2198496A - Aircraft : en
  • GB520336A - Improvements in the manufacture of cellulose derivatives : en
  • US2198373A - Crotonic acid ester of polyhydric alcohol : en
  • US2197780A - Interlocking electrical coupler : en
  • US2198325A - Apparatus for and method of selecting fractions from fractionating condensers : en
  • US2198473A - Diphenylene oxide compositions : en
  • FR854763A - Method and apparatus for lifting sunken ships : en fr
  • FR854802A - Motor-driven character changer for typewriters : en fr
  • CA388262A - Electric wave amplifying system : en fr
  • DE690443C - Switching chamber for electric gas switch : de en
  • DE690523C - Process for the production of blast furnace slag cement : de en
  • DK57524C - Method for the production of acid whey with reduced lime content. : da en
  • GB520373A - Improvements in direct-current generators for arc welding : en
  • DE690488C - Process for the production of concentrated aqueous caffeine solutions : de en
  • FR854783A - Protective devices : en fr
  • CA12721S - Jewelry setting : en
  • DE690542C - Process for electrical resistance seam welding, in particular for the production of sheet metal vessels : de en
  • US2198368A - Adapter : en
  • US2198319A - Biopsy needle : en
  • US2198554A - Lighting system for use on vehicles to facilitate passing at night : en
  • FR854858A - Agglomerated fuel : en fr
  • FR854917A - Electric wave amplifier systems : en fr
  • GB520361A - Improvements in plant supports : en
  • US2198048A - Milking parlor : en
  • US2198145A - Cigarette holder : en
  • USD120133S - Combined fender and skirt guard : en
  • USRE21430E - Top lift attachment : en
  • FR854924A - Improvements to panel assembly devices : en fr
  • GB519828A - Improvements in or relating to electric smoothing irons : en
  • US2198526A - Machine for cutting grass : en
  • US2197762A - Profile dresser for abrasive wheels : en
  • USD120150S - Design for a shoe : en
  • DE690533C - Folder registration using forward staplers : de en
  • GB520517A - Improvements in sockets adapted to co-operate with the bayonet caps of electric lamps : en
  • US2198403A - Film speed equalizer : en
  • FR854893A - Agglomerate and its manufacturing process from fibrous plants : en fr
  • GB520411A - Improvements in or relating to relaxation oscillation generators : en
  • FR854886A - Screen Protected Spark Plug : en fr
  • DE690324C - Method of making joints in two-layer concrete pavements : de en
  • DE690446C - Method for electrical resistance welding of Laengsnaehten limited length, z. B. on cans : de en
  • US2197946A - Portable electric lamp : en
  • US2198534A - Spot welder for lining closed vessels : en
  • FR854761A - Clamp intended in particular for securing reservoir pen holders, pencils and the like : en fr
  • FR854691A - Safety cap against fraudulent filling or modification of the original liquid contained in the bottles and all other containers : en fr
  • GB520357A - Improvements in or relating to piezo-electric pick-ups : en
  • GB520409A - Improvements in electric cable systems : en
  • CA388227A - Vitamin b1 manufacture : en fr
  • US2197779A - Reel : en
  • US2198130A - Internal combustion engine : en
  • US2198102A - Machine tool transmission and control mechanism : en
  • USD120107S - Granulated soap pitcher : en
  • US2198150A - Water culture apparatus : en
  • GB520491A - Improvements in medicament inhalers : en
  • DE690296C - Vacuum switch, especially for regulators : de en
  • FR854814A - Improvements to radiators with removable elements of motor cars and others : en fr
  • FR854934A - Safety razor enhancements : en fr
  • FR854669A - Treatment of materials containing tin : en fr
  • DE690366C - Device for hoisting and holding roller flags stretched between scaffolding columns : de en
  • FR854821A - Improvements to ward-leonard electric control devices : en fr
  • US2197988A - Die for forming plastic materials into threads or ribbons : en
  • US2198220A - Stabilized nut butter : en
  • DE690305C - A tent pole consisting of several interlocking parts : de en
  • DE690399C - Arrangement for telephone systems for the separate determination of local and long-distance charges : de en
  • GB520405A - Improvements in, or relating to, fittings for suspending curtains and for analogous uses : en
  • GB520490A - Improvements in or relating to photographic view-finders : en
  • US2198415A - Lock seam tubing : en
  • US2198491A - Circuit breaker : en
  • GB520369A - Improvements in and relating to propelling pencils with lead sharpening means capable of being brought into the operative position : en
  • FR854810A - Small image examination device with exchange frame : en fr
  • GB520356A - Improvements in or relating to gramophones or the like : en
  • DE690382C - Drive device for one of several pairs of driving wheels of motor vehicles with hyperboloid bevel gears and spur gears : de en
  • GB520385A - Improvements in or relating to boots or shoes and to methods of making the same : en
  • GB520537A - An improved combination nut and washer : en
  • GB520404A - Improvements in or relating to hydraulic power transmission systems and speed governors therefor : en
  • FR854861A - Device for the control of a movable member such as a railway needle : en fr
  • GB520535A - Improvements in or relating to planting machines : en
  • US2198004A - Tray follower : en
  • USRE21435E - Reversible magazine camera : en
  • DK57518C - Accounting machine. : da en
  • US2198037A - Hat box : en
  • USD120119S - Fl.orman : en
  • US2198551A - Device for compelling a gyroscope to remain vertical : en
  • FR854909A - Catalyst for the conversion of hydrocarbon oils : en fr
  • DE690335C - Driving belt, conveyor belt or belt made of cellulose fabric : de en
  • DE690345C - Circuit arrangement for time zone counting in telecommunication systems, in particular telephone systems : de en
  • FR854854A - Improvements in the means for selecting electrical signals or pulses, in particular in television installations : en fr
  • GB520383A - Improvements in or relating to means for maintaining a constant cutting speed in lathes and like machine tools : en
  • US2198435A - Treatment of wells : en
  • US2198086A - Match booking machine : en
  • US2198513A - Lamp : en
  • DE690477C - : de en
  • FR854764A - case : en fr
  • DE690300C - Arrangement of compensating lines for direct current windings in electrical machines : de en
  • FR854682A - Balls of twine and the like : en fr
  • FR854906A - Improvements made to internal combustion engines, in particular to those of the star type for aerodynes : en fr
  • FR854881A - Equipment and method for the production of color photographic images : en fr
  • FR854813A - Rocker-reducer : en fr
  • FR854817A - Advanced process for preparing ketone-functional bile acids : en fr
  • US2197875A - Clamping mechanism : en
  • US2198406A - Musical drum and the like percussion instrument : en
  • US2198428A - Snap action mechanism : en
  • FR854741A - Method of using zein : en fr
  • FR854809A - Process for manufacturing alkaline nitrates from their chlorides : en fr
  • GB520553A - Improvements relating to milling machines : en
  • GB520475A - Improvements in lens systems : en
  • CA388261A - Electric wave amplifying system : en fr
  • US2198383A - Dispensing device : en
  • US2197895A - Roofing material : en
  • US2198041A - Extensometer : en
  • FR854774A - Improvements to lubrication devices for engines and vane pumps : en fr
  • US2197906A - Method and machine for forming metal : en
  • USD120161S - Design for a chimney stocking : en
  • GR8972B - WOMEN BAGS (BAGS) WITH WOODEN FRAMEWORK. : el en
  • GB520410A - Improvements in or relating to electrical motor operated switching arrangements : en
  • US2198225A - Closure applying machine : en
  • CA388260A - Push-pull amplifier : en fr
  • US2198390A - Vegetable cleaner and separator : en
  • FR854684A - Plate or film for examining substances using slow neutrons : en fr
  • FR854908A - Textile processing agents : en fr
  • US2197864A - Process of electrostatic separation : en
  • US2198084A - Joint : en
  • FR854897A - Device for rotating baskets filled with material to be treated : en fr
  • FR854865A - Improvements to propeller type motor devices : en fr
  • FR854937A - Suction massage device : en fr
  • DE690301C - Mirror arc lamp : de en
  • DK57528C - Device by folding boxes. : da en
  • AU110370B2 - Improvements in refrigerating apparatus : en
  • DE690453C - Device for supporting chainsaws on trees : de en
  • FR854903A - Process for producing synthetic hydrocarbons : en fr
  • USD120183S - Design for a textile fabric : en
  • US2198163A - Method of and apparatus for mining, quarrying, and the like : en
  • USD120165S - Design for a knitted fabric : en
  • US2197974A - Portable air conditioning apparatus : en
  • US2198138A - Holder for medicinal charts : en
  • US2197850A - Vise mounting : en
  • US2198294A - Record changing mechanism : en
  • FR854720A - Process for obtaining iron burls, from ores and other iron-containing materials, in the rotary tube furnace : en fr
  • GB520458A - Disposition of engines in aircraft : en
  • GB520498A - Improvements in or relating to the decolorizing of clays : en
  • AT158570B - Turbine for expanding gases for the purpose of cooling. : de en
  • CA388182A - Steam mooring winch electrical control : en fr
  • US2198073A - Short wave therapy unit : en
  • IE15784L - Drawing glass strip. : en
  • CA388243A - Linear amplifier : en fr
  • US2198231A - Fishing reel : en
  • GB520377A - Improvements in and relating to fluid-pressure sealing devices : en
  • GB520493A - Improvements in or relating to the manufacture of artificial filaments, yarns, foilsand similar materials made of cellulose or cellulose derivatives : en
  • US2198156A - Air intake device for vehicles : en
  • FR854939A - Pipe connection : en fr
  • GB520398A - Tiltable amusement device : en
  • FR854743A - Rubber flooring and its manufacturing process : en fr
  • FR854932A - Process for obtaining corrosion resistant layers on aluminum and aluminum alloy objects : en fr
  • FR854800A - Low pass filter with phase changer giving a phase shift : en fr
  • US2197825A - Milling machine : en
  • DE680378A - Arrangement for the gradual shielding of a radiation-sensitive material : de en
  • FR854747A - Gearbox for motor vehicles : en fr
  • US2198014A - Optical system : en
  • DE690338C - Track expansion in ring or arch form : de en
  • AT158627B - Roller caliber for pilgrim step rolling mills. : de en
  • AU110365B2 - An improved device for supplying feed to animals : en
  • AT158525B - Device for setting and automatically maintaining a constant flow of liquid. : de en
  • DE690395C - Automatic conveyor wagon coupling with arrow-shaped hook : de en
  • US2198271A - Plastering machine : en
  • DE690322C - Roller brush for street sweepers : de en
  • DE690412C - Process for the production of alkali photocells : de en
  • DE690511C - Firearm, in particular room socket, with a surrounding chamber : de en
  • GB520504A - Improvements in fuel gases : en
  • USD120190S - Design for a tablecloth or similar article : en
  • US2197873A - Treatment of hydrocarbon oils : en
  • USD120125S - Combined bottle display and holder therefor : en
  • USD120208S - Design for a textile fabric : en
  • US2198411A - Testing means for air compressors : en
  • USD120123S - Thermostat casing or similar article : en
  • AU262639A - Improvements in or relating to the control 9f aircraft according to air speed : en
  • DE690387C - Blow molding machine : de en
  • DE690540C - Station display device with projection of the station names : de en
  • US2198299A - Clothes drier : en
  • US2197868A - High or low voltage indicating system : en
  • US2198454A - Motion picture camera : en
  • US2198525A - Flashlight : en
  • FR854826A - Combination comb for rolling and fixing the loops : en fr
  • DE690339C - lulose triacetate : de en
  • DE690483C - Naralkylated and core arylated derivatives of the morphine series : de en
  • USD120196S - Design for a dress ensemble : en
  • AT158599B - Telegraph system. : de en
  • DE690310C - Maize machine with a maize collector : de en
  • FR854806A - Device intended to facilitate the towing of tracked vehicles temporarily immobilized due to damage to their propulsion mechanism : en fr
  • CA388257A - Bread toaster : en fr
  • AT158528B - Device to compensate for the measurement errors of dry four-chamber gas meters with slide control and horizontal crankshaft. : de en
  • FR854798A - Packaging box for film magazines : en fr
  • FR854838A - Improvements in valve manufacturing : en fr
  • US2198118A - Hair clipper : en
  • AT158555B - Process for the production of counting cards for statistical machines and counting card produced by the process. : de en
  • AT158522B - Process for the production of sintered hard metal alloys. : de en
  • US2198251A - Contact printing box : en
  • FR854872A - Device to increase the grip of the wheels of vehicles traveling on all terrains : en fr
  • AU229139A - Improvements in and relating to propelling pencils with lead sharpening means capable of being brought into the operative position : en
  • CA388208A - Metal removing apparatus : en fr
  • CA388238A - Magnetron oscillator : en fr
  • US2198208A - Stabilized food composition and method of making same : en
  • AT158532B - Cathode ray tube with magnetic concentration. : de en
  • DE690308C - Locking of retractable and extendable tubes, especially for tripod legs : de en
  • US2197810A - Wind deflector for automobiles : en
  • US2197888A - Welder : en
  • DE690436C - Device for topping up shaft furnaces used in pig iron production : de en
  • CA388270A - Household dye : en fr
  • AT158561B - Method for preventing slag build-up in fuel powder engines. : de en
  • AT158564B - Method for operating multi-stage internal combustion engines. : de en
  • AU110378B2 - Improvements in or relating tothe preparation of shoes for conforming operation thereon : en
  • CA388162A - Anti-skid mechanism : en fr
  • CA388205A - Organic sulphonate preparation : en fr
  • FR854899A - Snowshoe stringing machine : en fr
  • US2198481A - Motor control system : en
  • AT158567B - Method for braking and starting vehicles or work machines driven by internal combustion engines. : de en
  • GB520408A - Improvements in or relating to vibrating apparatus such as tables for consolidating concrete : en
  • US2198584A - Clothes rack : en
  • US2198257A - Fishing reel : en
  • AT158557B - Horseshoe. : de en
  • USD120177S - Design for a dress or similar article : en
  • DE690306C - Ashtray : de en
  • DE690447C - Gas flow regulator : de en
  • US2198502A - Thermal switch : en
  • US2198101A - Automatic cut-in switch : en
  • US2198017A - Preparation of printing plates : en
  • US2198252A - Pot support : en
  • US2198354A - Motor vehicle : en
  • US2198396A - Photographic copying apparatus : en
  • US2197813A - Synthetic drying oil anx methob of : en
  • US2197932A - Gin breast adjuster : en
  • AU110357B2 - Improved sun-blind : en
  • DE690505C - Envelope for multiple use : de en
  • FR854864A - Pressure reducing device : en fr
  • US2198042A - Porous metal bodies : en
  • US2198384A - Propelling pencil with lead sharpening means : en
  • US2198391A - Shoe sewing machine : en
  • AU110347B2 - A method of and apparatus for elimination of distortion inthe production of stereoscopic pictures : en
  • USD120104S - Design for a hot water heater : en
  • USD120182S - Design for a bolero jacket : en
  • US2198203A - Stabilizing food compositions : en
  • US2198462A - Clothes wringer : en
  • FR854852A - Toggle device to make a payment : en fr
  • GB520395A - Improvements in or relating to broaching machines : en
  • GB520433A - Improvements in or relating to valves for controlling fluid under pressure : en
  • AT158534B - Brazed vacuum-tight connection. : de en
  • CA388246A - Electric clock system : en fr
  • DK57530C - Turning mechanism in Watches with automatically rotating Dial. : da en
  • AU358539A - Improvements in or relating to thermostats : en
  • FR854827A - Improvement in the construction of metal toys such as soldiers for example : en fr
  • US2197970A - Construction of water cooling towers : en
  • US2197987A - Funnel : en
  • US2198452A - Automatic vent device : en
  • FR854703A - Catalytic reaction apparatus : en fr
  • CA388250A - Envelope fastener machine : en fr
  • AU162839A - Improvements in or relating tothe preparation of shoes for conforming operation thereon : en
  • US2197830A - Apparatus for applying center spots to crown cap cushions : en
  • FR854778A - Sliding support frames : en fr
  • GR8976B - CASE - PROTECTOR OF THE CAR IDENTITY SIGN FROM ANY DAMAGE. : el en
  • USD120138S - Design fob a support fob a dbink mixer : en
  • FR854687A - Process giving the illusion of movement or relief without requiring special lighting and particularly applicable to advertising : en fr
  • GB520351A - Improvements in or relating to constructions incorporating a scraper ring : en
  • FR854880A - Fluid mixing device : en fr
  • FR854731A - Device allowing the passage of the air necessary for cooling the radiator, through the elements of the front bumper of motor vehicles : en fr
  • FR854794A - Strap hook for ski binding : en fr
  • DE690432C - Device for supporting the impeller in the relatively narrow shafts of water turbines : de en
  • GB520328A - Magnetic analysis : en
  • FR854755A - Control device for automatic brake shoe clearance regulators : en fr
  • DE690427C - Multi-disc clutch, especially for motor vehicles : de en
  • GB520510A - Improvements in or relating to the cooling of vehicle brakes : en
  • GB520384A - Improvements in or relating to injection pumps for internal combustion engines : en
  • GB520428A - Improvements in fireproof rubber and its production : en
  • FR854913A - Methods and apparatus for detecting and analyzing radiant energy : en fr
  • CA388160A - Confection handle : en fr
  • US2198437A - Coil and condenser assembly for high frequency purposes : en
  • CA388204A - Abrasive article : en fr
  • USD120175S - Design for an organ console : en
  • US2198235A - Toy : en
  • US2198241A - Tracheal instrument : en
  • US2198533A - Device for boiling liquids without overflow : en
  • USD120203S - Design fob a dress : en
  • US2198546A - Ear protecting device : en
  • US2197927A - Adjustable floor squeegee : en
  • US2197754A - Process for combining cloth and paper : en
  • US2198131A - Humidostat : en
  • US2198184A - Sign holder : en
  • US2198565A - Tumbler decorating apparatus : en
  • DE690368C - Device for keeping the linear winding speed of chain threads constant : de en
  • DE690487C - Washing out and treatment of gases from a carbon oxide pressure conversion plant : de en
  • DE690512C - Paint brush holder : de en
  • GB520473A - Foldable attache cases, suit cases and the like : en
  • FR854856A - Autopilot device for airplanes : en fr
  • DE690539C - Method for the transmission of modulated high frequency : de en
  • US2198366A - Venting closure for jars, cans, and other receptacles : en
  • DE690352C - Device for the automatic feeding and shearing of the fuel on flat grates of furnace systems : de en
  • GB520417A - Improvements in or relating to knitting machines : en
  • US2198374A - Cyclic condensation product : en
  • US2198444A - Puzzle : en
  • US2198485A - Hydrocarbon burner : en
  • FR854749A - Installation for filtering the air supplied to internal combustion engines : en fr
  • USD120194S - Design for a dress : en
  • FR854848A - Improvements to signaling devices : en fr
  • GB520568A - An improved manufacture of diesel fuels : en
  • US2197921A - Landing net : en
  • US2197928A - Method of making shoes : en
  • US2198226A - Balanced diode circuit : en
  • US2198198A - Modified antioxygenic milk solids and method of making and using the same : en
  • US2198234A - Cigar or cigarette lighter : en
  • DE690425C - Suction box, especially for paper machines : de en
  • FR854694A - Sofa bed : en fr
  • US2197952A - Cylinder lock : en
  • US2198495A - Aircraft : en
  • GB520503A - Improvements relating to photographic cameras : en
  • GB520543A - Improvements in stereoscopic apparatus : en
  • GB520539A - Improvements in and relating to wheel suspensions for vehicles : en
  • GB520471A - Improvements in and relating to securing devices for doors or the like : en
  • DE690479C - Monitoring device for lights in security systems using photo cells : de en
  • FR854831A - Soft and semi-rigid frame for bras or bras, without shoulder straps : en fr
  • FR854832A - Method and apparatus for making stockings with French heels and French feet, and articles resulting therefrom : en fr
  • US2198002A - Azo compounds and material colored therewith : en
  • USD120200S - Design foe, a textile fabric : en
  • US2197832A - Mineral oil composition : en
  • FR854869A - Pads improvements : en fr
  • USD120162S - Robsjohn-gibbings : en
  • US2198219A - Retarding oxidation : en
  • US2198343A - Hard metal composition : en
  • US2198039A - Rectilinear motion bearing : en
  • US2198537A - Breakaway apparatus : en
  • FR854911A - Transportable, bullet proof, armored cabin usable as shelter from air raids and other similar purposes : en fr
  • DE690457C - Device for processing propeller blades on swivel arms : de en
  • FR854808A - New toilet paper advertising system : en fr
  • DE690317C - Suspension of the steering wheels of motor vehicles with handlebar parallelograms : de en
  • FR854727A - Plane : en fr
  • USD120204S - Design fob a dress : en
  • GB520338A - Improvements in or relating to prepayment mechanism for electric supply meters : en
  • US2197841A - Shell or bomb : en
  • USD120186S - Design for a textile fabric : en
  • AT158578B - Air purifiers, in particular for internal combustion engines. : de en
  • AT158643B - Aluminum sheet planographic printing plates and methods of making the same. : de en
  • DE690418C - Four-stroke internal combustion engine that draws in mixture when starting : de en
  • DE690557C - Drawing head for drawing machines : de en
  • US2197918A - Dustpan : en
  • US2198405A - Electric cable : en
  • GB520370A - Air ship : en
  • US2197939A - Photoelectric exposure meter for cameras : en
  • GB520333A - Method of and apparatus for marking round or nearly round metal bars of commercial quality cold worked by means of twisting : en
  • GB520540A - Improvements in or relating to variable condensers, applicable to the control or indication of liquid levels : en
  • FR854676A - Advanced seed drill for the simultaneous spreading of two or more products constituting a fertilizer or an amendment : en fr
  • AT158527B - Switch with instantaneous switching for multiple circuits, especially for heating pads or the like. : de en
  • FR854707A - Coupling system allowing more than two gas or steam discharge tubes or groups of tubes to be operated in parallel : en fr
  • US2198329A - Electric discharge tube : en
  • US2198128A - Quilting frame : en
  • US2198295A - Antirolling device for ships : en
  • FR854870A - Oil burette with oil sprayer : en fr
  • DE690375C - Brush holder for multi-layer carbon brushes for electrical machines : de en
  • FR854685A - Improvements to electrical relays : en fr
  • GB520507A - Improvements in or relating to controls for washing, dry-cleaning, bleaching, dyeingand the like machines : en
  • FR854927A - Method and apparatus for tempering glass sheets : en fr
  • GB520402A - Compositions for treating soil : en
  • DE690302C - Production of evenly finely distributed titanium dioxide : de en
  • DE690460C - Direction indicators for bicycles and motorcycles : de en
  • DE690499C - Bellows membrane : de en
  • FR854803A - Process for reactivating spent adsorbents : en fr
  • GB520372A - An improved method of enlarging the active surface of aluminium electrodes for electrolytic condensers : en
  • US2198099A - Vehicle running gear : en
  • US2197885A - Means and method for conditioning manure and controlling insect pests : en
  • US2197894A - Process of sponge rubber manufacture : en
  • US2198126A - Egg assorting, candling, and packing device : en
  • AU110352B2 - Improved bag : en
  • DE690438C - : de en
  • GB520501A - Improvements in and relating to hydraulic driving mechanisms for reciprocating machine elements : en
  • CA388211A - Fine ore and gas contacting method : en fr
  • CA388244A - Statistical card punch : en fr
  • USD120151S - Design foe a display container : en
  • AT158554B - Actuating device arranged on a service trolley for erecting and folding down Chanoine-Pasqueau or similarly operated storage flaps. : de en
  • DE690517C - Unloading device for drag plate conveyor : de en
  • DE690321C - Roller brush for street sweepers : de en
  • AT158548B - Lid lift-off trolleys for soaking furnaces. : de en
  • US2198105A - Multiple baking pan structure : en
  • AU160839A - Improvements in building constructions : en
  • CA388255A - Cinematographic apparatus : en fr
  • US2198482A - Chopper and slicer : en
  • CA388163A - Blow lamp : en fr
  • AT158560B - Press roll on paper machines. : de en
  • AT158535B - Hot cathode tube. : de en
  • CA388259A - Electroplating apparatus : en fr
  • US2198579A - Illumination system : en
  • US2197947A - Apparatus for control of air supply and method of securing accurate results in operation of furnaces : en
  • US2198045A - Process for the electrolysis of sulphate solutions : en
  • CA388251A - Vapour condensation apparatus : en fr
  • AU110350B2 - Improvements in or relating to composite bearing elements : en
  • CA388192A - Exhaust silencer and spark arrester : en fr
  • CA388228A - Plastic extrusion moulding machine : en fr
  • AT158511B - High pressure metal vapor arc lamp. : de en
  • AT158592B - Lever dial. : de en
  • US2197877A - Electric cord lift : en
  • AT158519B - U-shaped pantographs for locomotives and railcars, in particular for main electric railways. : de en
  • AU205339A - A method of and apparatus for elimination of distortion inthe production of stereoscopic pictures : en
  • FR854873A - Compensating device for differential or balanced poppet valves : en fr
  • US2198141A - Closed monobloc power plant : en
  • US2198582A - Ether esters of para hydroxy benzoic acid : en
  • CA388219A - Metallurgical furnace : en fr
  • AT158601B - Electrical connector with locking. : de en
  • GB520474A - Improvements in rotatable mixing elements for mixing machines : en
  • US2197924A - Loose-leaf binder : en
  • USD120178S - Design for a dress ensemble : en
  • AT158541B - Suction nozzle for sheet cutting and conveying devices. : de en
  • CA388153A - Fuel atomizer : en fr
  • US2197890A - Flight control device, more particularly for fast aircraft : en
  • US2198261A - Railway truck spring unit : en
  • US2198296A - Water floating or concentrating machine : en
  • US2197960A - Cribbing : en
  • US2198127A - Direct segregation system : en
  • US2198006A - Control device for animation : en
  • US2198475A - Collapsible propeller for airplanes : en
  • GB520529A - Process for producing colour photographs : en
  • DE690314C - Resonance body for cross-string chromatic harps : de en
  • DE690559C - Feeding device for cards : de en
  • FR854943A - Improvements to a process and apparatus for use and preparation for use of liquid carbon dioxide as a fluid for extinguishing fires : en fr
  • AT158582B - Device for adjusting the ignition point in internal combustion engines by means of negative pressure. : de en
  • GB520329A - Improvements in or relating to gun fire control mechanisms : en
  • CA388274A - Signalling circuit : en fr
  • GB520486A - Improvements in or relating to shuttle devices for sewing machines : en
  • GB520488A - An improved illuminated sign : en
  • US2198431A - Modulated carrier wave transmitter : en
  • US2198010A - Telephone system : en
  • US2198116A - Sampling device : en
  • US2197931A - Magnetic testing material : en
  • FR854878A - Automatic switch for three-phase current : en fr
  • GB520555A - Improvements in or relating to rotary pumps : en
  • GB520494A - Improvements in or relating to film developing apparatus : en
  • GR8973B - PRINCIAL DISTRIBUTION OIL BURNER BASED ON PRIMARY AIR. : el en
  • DE690356C - Extending table : de en
  • DE690502C - String tensioning and tuning device for musical instruments : de en
  • AT158605B - Circuit breakers, especially circuit breakers, with trip-free release. : de en
  • FR854656A - Process for improving the resistance to surface oxidation of alloys of the three-component system, iron, chromium, nickel : en fr
  • US2198123A - Radiator curtain : en
  • USD120106S - Combined bottle stopper and top : en
  • US2197760A - Electrical discharge lamp : en
  • USD120109S - Design for a display rack : en
  • AT158510B - Tub furnace for the continuous production of glass objects, in particular glass panels. : de en
  • FR854665A - lipstick stick case : en fr
  • GB520449A - Switch controls for electrically heated washing tanks : en
  • FR854885A - Method of fitting fishing lines : en fr
  • DE690513C - Filling for incendiary bombs, incendiary grenades, fires : de en
  • AT158547B - Tobacco pipe. : de en
  • US2197778A - Tubing protector : en
  • US2197796A - Channel cutter attachment : en
  • US2197819A - Antikickback device : en
  • US2198458A - Continuous web manifolding assembly : en
  • FR854725A - Press with cylinders and multiple pistons arranged in series, operated by compressed air or by a pressurized liquid, for riveting and stamping tools : en fr
  • GB520511A - Improvements in hot air stoves : en
  • US2198068A - Take-out mechanism : en
  • FR854921A - Process for increasing the active surface of aluminum electrodes for electolytic capacitors : en fr
  • US2198440A - Bundle tying machine : en
  • US2198168A - Automatic delivery machine : en
  • AT158593B - Electromagnetic relay. : de en
  • US2198005A - Typewriter : en
  • US2198266A - Cutting device : en
  • USD120122S - Design for an electric air heater : en
  • US2198341A - Blowpipe : en
  • US2198020A - Nonballooning spindle for spinning machines : en
  • US2198089A - Adjustable bracket : en
  • US2198209A - Treatment of fatty meats and fish and other foods : en
  • US2198492A - Collar creasing and ironing apparatus : en
  • FR854837A - Machine frame for re-meshing knitted articles : en fr
  • GB520381A - Improvements in or relating to rotary duplicators : en
  • DE690469C - Manufacture of such wear-resistant objects, such as toothed wheels, which must have a high surface hardness achieved through carburization and quenching with sufficient core strength : de en
  • US2198511A - Liquid fuel burner : en
  • DE690553C - Adjustment device for the tinning rollers and their scrapers on tinning machines : de en
  • DE690516C - Conveyor belt : de en
  • GB520530A - Joints for flexible pipes : en
  • DE685113C - Process for producing the clamp on the inner coupling parts (rolling bodies) of overrunning clutches : de en
  • FR854773A - economizer for recovering heat from flue gases : en fr
  • GB520400A - Improvements relating to the erection of concrete structures : en
  • US2197901A - Engine : en
  • US2198189A - Filter : en
  • US2198287A - Metal molding means : en
  • US2198465A - Radio cabinet or the like : en
  • US2198480A - Table : en
  • US2198586A - Pneumatic tire : en
  • DE690532C - Calendars, especially wall calendars : de en
  • FR854844A - Trailer intended for the supply and maintenance of automobiles, airplanes and motor vehicles in general : en fr
  • GB520502A - Improvements in or relating to nail and the like brushes : en
  • US2198063A - Registering device : en
  • US2198204A - Stabilizing food compositions : en
  • DE690320C - Hand drive for wheelchairs : de en
  • DE690402C - Circuit arrangement for the charge control of network group coin telephones : de en
  • GB520489A - Improvements in or relating to deflecting circuits for use with cathode ray tubes : en
  • FR854734A - Echo sounding facility upgrades : en fr
  • FR854910A - Cartridge belt for automatic weapons : en fr
  • CA388249A - Envelope fastener machine : en fr
  • FR854671A - Advanced system and apparatus for detecting the presence of suspended matter in fluids : en fr
  • US2198031A - Vehicle brake and sanding apparatus : en
  • US2198509A - Pneumatically supported miniature aircraft : en
  • FR854833A - Cylindrical ball valve : en fr
  • US2197871A - Synchronizing tester : en
  • US2198530A - Woodworking plane : en
  • AU187639A - An improved device for supplying feed to animals : en
  • DE690549C - Insert rack for kitchens and similar furniture : de en
  • CA388266A - Cutting torch : en fr
  • DE690311C - Feeder for grain selection tables : de en
  • DE690478C - Suspension of swinging semi-axles, especially for motor vehicles : de en
  • DE690530C - Device for the wet treatment of textile goods, especially running webs of fabric : de en
  • AT158568B - Device on internal combustion engines, in particular for motor vehicles with gas operation and occasional operation with liquid fuel. : de en
  • CA388152A - Squeeze tube closure : en fr
  • CA388186A - Coal fed water heater : en fr
  • US2198518A - Glider structure : en
  • CA388188A - Edge binding machine : en fr
  • AT158618B - Process for the manufacture of rebar for reinforced concrete construction. : de en
  • FR854839A - Removable coating applicable in particular to the rapid constitution of landing areas for airplanes : en fr
  • FR854933A - Single-wheel drive and steer tractor : en fr
  • GB520363A - Improvements relating to hosiery : en
  • FR854660A - Improvements in torch welding : en fr
  • FR854738A - Improvements to processes and devices for mounting clichĂ©s or other similar compositions on the cylinders of printing machines or rotary presses : en fr
  • FR854855A - Improvements to prosthetic devices and other analouges applications : en fr
  • AT158501B - Process for the production of plaster bandages and other parts covered with plaster for orthopedic and surgical purposes or the like. : de en
  • CA388240A - Phototube : en fr
  • AU110346B2 - Improvements in or relating to negative resistance circuit arrangements : en
  • GB520362A - An improved method of and apparatus for the electric selective remote control of definite operations employing synchronously running contact selectors : en
  • AU110349B2 - Improvements in or relating to thermostats : en
  • CA388176A - Plastering nail : en fr
  • FR854901A - Piston pump for delivering a liquid in a chamber under high pressure, in particular for injecting fuel into internal combustion engines with injection : en fr
  • US2198441A - Golf ball washer : en
  • DE690312C - machines : de en
  • DE690496C - Method and device for testing the strength properties of unilaterally closed, cylindrical metallic hollow bodies, in particular explosive capsule shells : de en
  • DE690500C - Clamping device with chucks for compressed air or pressurized oil drive for multi-spindle automatic swiveling machines with rotating tools : de en
  • US2198097A - Lamp : en
  • AT158603B - Variable plate capacitor. : de en
  • AT158642B - Process for the production of organic chlorine and bromine compounds. : de en
  • US2197820A - Baked goods, baked goods mix, and the process of making the same : en
  • AU110383B2 - Improvements intwo-terminal low-pass coupling systems : en
  • USD120144S - Design for an advertising device : en
  • AT158615B - Plate leveler. : de en
  • US2198254A - Method of making composite metal structures : en
  • FR854715A - Frame for loose-leaf binders : en fr
  • US2198417A - Camera construction : en
  • AT158516B - Process for the production of a high-speed steel with 3-20% Co, 2-5% V and Cr, W and Mo in the usual amounts. : de en
  • US2197887A - Lamp fixture : en
  • US2198478A - Tire chain : en
  • AT158576B - Interrupter lever made from a spring band for electrical ignition devices of internal combustion engines. : de en
  • US2197905A - Infinitely variable expanding pulley belt gear : en
  • US2198028A - Brake mechanism : en
  • FR854805A - Undercarriage for tracked vehicles : en fr
  • GB520460A - Improvements in or relating to means for generating electrical saw-tooth oscillations : en
  • FR854679A - Method and machine for transferring a plane clichĂ© onto a printing cylinder : en fr
  • US2198322A - Upholstery cleaner : en
  • US2198414A - Transmission hoist : en
  • US2197764A - Rocking sleeping doll and eye mechanism therefor : en
  • US2198172A - Monocarboxylic acid esters : en
  • AT158613B - Printing device for scales. : de en
  • US2197829A - Roller drive disengaging means for power-driven wringers : en
  • US2198522A - Brake apparatus : en
  • CA388253A - Surface joining method and adhesive : en fr
  • AU110374B2 - Container and method of making thesame : en
  • US2198313A - Strand handling apparatus : en
  • USD120129S - Design for a ring mounting : en
  • DE690318C - Engine cooling for vehicles with rear engine : de en
  • CA388254A - Sheet material punching machine : en fr
  • US2198111A - Fur knife : en
  • USD120116S - Design for a soldering iron : en
  • US2198159A - Trailer hitch and brake : en
  • AU110359B2 - Improvements in and relating to apparatus forthe safe deposit of money andother valuables in banks, strongrooms and depositories : en
  • AT158595B - Measuring arrangement for determining the high-frequency energy converted in the treatment object during treatment with short-wave or ultra-short-wave electrical oscillations. : de en
  • FR854904A - Anti-knock agent : en fr
  • USD120147S - Design for a bottle : en
  • USD120192S - Design for a dress ensemble : en
  • US2198477A - Control system : en
  • US2197765A - Doll eye with adjustable lash : en
  • US2198557A - Cracking hydrocarbon oils : en
  • GB520371A - Suction cleaner : en
  • GB520482A - Improvements in electric switches, more particularly tumbler switches : en
  • FR854698A - Artificial resins and their preparation process : en fr
  • DE690404C - Cashier for desk phone : de en
  • GB520478A - Improvements in the treatment of nozzles for use in the production of artificial filaments : en
  • GB520554A - Improvements in or relating to portable electric hand lamps for use in mines : en
  • DE690551C - Self-supporting reinforced hollow concrete slab, especially for ceilings : de en
  • GB520343A - Improvements in and relating to the attachment of insulating or like sheets to the purlins or like members of walls, roofs or partitions : en
  • US2197950A - Vehicle body : en
  • US2198316A - Wall and ceiling construction : en
  • GB520436A - Improvements in machines for raising root crops : en
  • US2197962A - Apparatus for making welded pipes and tubes : en
  • FR854912A - Lacquer : en fr
  • DE690351C - Spray liquid for skis : de en
  • DE690328C - Device, in particular X-ray device, for generating a high DC voltage by means of a multiplier circuit containing rectifiers and capacitors : de en
  • DK57510C - Procedure for the production of printing images on aluminum surfaces or their alloys. : da en
  • FR854762A - Improvements to wind-powered devices for use in elevated positions to create an obstacle or destroy enemy aircraft or for other purposes : en fr
  • GB520522A - Improvements in or relating to closures for conserve cans and the like : en
  • US2198468A - Triarylmethane dyestuffs capable of being chromed : en
  • DK57516C - Floor separation. : da en
  • GB520574A - Improvements in or relating to cooling towers : en
  • DE690431C - Device for shutting down floating boat lifts in the event of a disaster : de en
  • DE690519C - Choke coil : de en
  • AT158646B - Process for the preparation of esters of 4-amino-5-oxyalkylpyrimidines. : de en
  • GB520431A - Improvements in magnetic compasses : en
  • US2197798A - Method of producing esters : en
  • US2198309A - Automatic receptacle filling apparatus : en
  • FR854716A - Process for dyeing leather : en fr
  • GB520571A - Improvements in pyrophoric lighters for cigarettes and the like : en
  • DE690334C - Cooling device for synthetic resin bearings : de en
  • US2198464A - Distortion reducing circuit : en
  • FR854667A - Shovel with extendable handle : en fr
  • US2198438A - Wheel truck : en
  • US2198467A - Table for ironers and the like : en
  • FR854793A - Lighter for liquid fuel : en fr
  • DE690435C - Spreader tool for cylindrical or similarly shaped, slotted spring clips : de en
  • GB520415A - New colouring matters : en
  • GB520570A - Improvements in or relating to holders for lipsticks and the like : en
  • GB520391A - Manufacture of indigoid vat dyestuffs : en
  • DE690462C - : de en
  • GR8977B - IMPROVEMENTS IN ARMS. : el en
  • FR854702A - Device for measuring thrust forces, in particular air propellers : en fr
  • FR854868A - Variable pitch propeller : en fr
  • DE690514C - Device for cleaning mineral wool made from fire-liquid raw material : de en
  • FR854712A - Lotion dispenser comb : en fr
  • GB520451A - Improvements in or relating to mechanism for producing a combined rotary and reciprocating movement and to applications thereof : en
  • DE690391C - Process for the production of contact masses with particularly reactive thoroxides : de en
  • US2198081A - Renewable element yarn guide construction : en
  • US2198190A - Filter : en
  • US2197799A - Apparatus for the treatment of hydrocarbons : en
  • US2198021A - Compressor discharge silencer : en
  • DE690377C - Electromagnetic pickup : de en
  • US2198227A - Electron multiplier : en
  • US2198016A - Lateral drill mechanism : en
  • US2198453A - Thermoelectric safety device : en
  • USD120113S - Design for a pendant ob similar article : en
  • FR854733A - Cast stair tread, in building materials : en fr
  • AU110376B2 - Process of manufacturing sugar and new molasses from sacchari ferous plants : en
  • FR854879A - Planting machine : en fr
  • GB520477A - Photographic printing processes : en
  • US2198180A - Conversion of hydrocarbons : en
  • US2198238A - Valve seat : en
  • US2198401A - Siphon pump : en
  • US2198516A - Combustion engine : en
  • GB520355A - Apparatus for cultivating bed-mushrooms : en
  • FR854923A - Gas protection device, especially for children : en fr
  • DE690518C - Ceramic plate clock : de en
  • DE690315C - Retractable and cushioned landing gear for aircraft : de en
  • DE690428C - Arrangement of the saddle tank on motorcycles : de en
  • GB520496A - Improvements in or relating to the lubrication of rapidly rotating shafts, more particularly the shafts of centrifugal artificial silk spinning apparatus : en
  • FR854663A - Portable combined device for all household cleaning : en fr
  • GB520420A - Device for heating the cooling water of vehicle engines : en
  • SE98710C1 - : en
  • DE690347C - Arrangement for generating a short-term current surge in a consumer that is connected to an alternating voltage via a gas or vapor-filled discharge path : de en
  • FR854699A - Process of reduction of iron ores, with subsequent transformation of the iron sponge formed into magnifying glasses : en fr
  • US2197938A - Gear shifting mechanism : en
  • FR854787A - Improvements to tinted glasses : en fr
  • GB520538A - Improvements in or relating to electric dry shavers : en
  • FR854936A - Process for preparing, from saturated hydrocarbons boiling below 160deg. vs. approximately, saturated hydrocarbons with branched chains or more branched than the initial hydrocarbons : en fr
  • DE690393C - e Concrete reinforcement made of normalized mild steel wires with 0.5 to 0.8% C, 70 to 111 kg / mm strength and 12 to 17% elongation : de en
  • DK57508C - Arrangement of garments consisting of cloth fabrics. : da en
  • FR854887A - Spark plug : en fr
  • GB520448A - Multiplex high frequency signal transmission systems : en
  • DE690360C - Bracket for cladding panels of ship walls or other steel construction walls : de en
  • FR854678A - mosaic photoelectric electrode : en fr
  • FR854751A - Improvements to moldable compositions : en fr
  • US2198564A - Dispensing container : en
  • DE690410C - Protection device for three-phase three-phase systems : de en
  • US2198392A - Creped products, including translucent films : en
  • DE690476C - Bearing and spring bushing : de en
  • US2198135A - Engine vibration eliminator : en
  • US2198430A - Running board construction for car roofs : en
  • US2198520A - Type bar actuating mechanism in standard and portable typewriters : en
  • DE690309C - Friction wheel lighter : de en
  • USD120111S - Design fob a hand brake lever or similar article : en
  • DE690346C - : de en
  • USD120159S - Design for a textile fabric : en
  • US2197816A - Motorized mount for chemical mortars : en
  • US2198375A - Higher polyalkylated cyclohexyl derivative : en
  • US2198456A - Machine for turning and binding the edges of leather : en
  • CA388157A - Cleaning compound : en fr
  • AU441839A - Improvements in or relating to composite bearing elements : en
  • CA388269A - Sulphonamide compound : en fr
  • AU110356B2 - Improvements in building constructions : en
  • US2198088A - Adjustable bracket : en
  • CA388267A - Refrigerator drip receptacle : en fr
  • DE690470C - in crosstalk : de en
  • US2198549A - Locking device : en
  • US2197846A - Acid pyronine dyestuffs : en
  • US2198187A - Venetian blind cord lock : en
  • US2198192A - Expansible means : en
  • USD120105S - Design tor an ash receptacle : en
  • US2198324A - Temperature determining apparatus and sampler for liquid containers : en
  • US2198019A - Spring and sway control system for wheeled vehicles : en
  • FR854674A - Method and device for the spinning of thermoplastic organic materials and fuses : en fr
  • US2198056A - Ornamental wheel disk structure : en
  • DE690386C - Process for the utilization of the clay stones from coal mining : de en
  • USD120132S - Steering post shroud for a bicycle : en
  • DE690341C - Method to increase the fracture resistance of Bo : de en
  • US2198265A - Apparatus for electric welding : en
  • US2198423A - Leakproof dry cell : en
  • US2197792A - Coal spraying chute : en
  • US2198053A - Journal bearing for railroad cars : en
  • DE690506C - Device for illustrating the operation of motor vehicles : de en
  • DE690452C - Bridge scales for weighing fine-grained or powdery goods : de en
  • USPP380P - Pear tree : en
  • US2198351A - Hydrometer and arrangement for remote control of liquids : en
  • DE690398C - Arrangement for telecommunication systems, especially telephone systems, for fritting contacts : de en
  • FR854742A - Electric bicycle lantern : en fr
  • AT158609B - Device for carrying out tests and measurements on multi-phase capacitors connected in star. : de en
  • US2197811A - Means for and method of removing cracks from a sheet of glass being drawn : en
  • GB520523A - Improvements relating to the production of moulded articles : en
  • US2198109A - Key case : en
  • US2197930A - Method of treating cellulose organic derivative cut staple fibers : en
  • AT158610B - Machine for marking the thickness distribution of leather u. like : de en
  • US2198095A - Process of producing thick butt shingles and such shingles : en
  • GB520389A - Improvements in spindle assemblies for textile machines : en
  • GB520565A - Improved heating device : en
  • FR854830A - Method and device for manufacturing gear wheels : en fr
  • GB520485A - Improvements in and relating to apparatus for counting and delivering predetermined numbers of articles : en
  • US2198285A - Potato and stone separator : en
  • US2198507A - Easel and notebook construction : en
  • USD120180S - Design fob a woman s dress : en
  • AT158588B - Pressure telegraph receiver. : de en
  • US2197915A - Packing and power transmission unit : en
  • AU167339A - An improved device for retaining sliding windows inan open, closed or intermediate position : en
  • GB520542A - Improvements in stereoscopic photographic cameras : en
  • US2198290A - Fastener : en
  • US2198312A - Sewing machine : en
  • US2198249A - Reduction of aryl nitro compounds : en
  • USD120148S - Design for a game board : en
  • DE690381C - Airplane wing with ailerons and an auxiliary wing : de en
  • AU110369B2 - Improvements in or relating to the control 9f aircraft according to air speed : en
  • AU168339A - Improvements in or relating to television and like transmitters adapted to transmit the socalled direct current component of picture signals aswell asthe other components : en
  • CA388207A - Metal removing apparatus : en fr
  • AT158512B - Device for the radiographic representation of body sections. : de en
  • US2197815A - Integrator for determining the combined effect of inflow into and outflow from reservoirs : en
  • US2197949A - Apparatus and method for control of flow of air, gases, and the like : en
  • US2198075A - Amusement device : en
  • US2198080A - Phonograph recorder : en
  • AT158594B - Circuit arrangement for telegraph systems. : de en
  • AU124139A - Improvements in or relating to electrical switch and relay contacts : en
  • US2198201A - Stabilizing food compositions : en
  • AT158637B - Process for the preparation of water-insoluble azo waste. : de en
  • US2197940A - Method of grinding pistons : en
  • US2198025A - Modulation system : en
  • USD120166S - Spoon or other article of flatware : en
  • US2197775A - Noncorrosive antifreeze liquid : en
  • US2198188A - Treating tobacco : en
  • USD120207S - Design for a dkess : en
  • DE690384C - Weir system with a weir flap hinged to the weir base : de en
  • USD120174S - Design for a combined brooch and locket : en
  • AT158562B - Flexible rubber hose for carrying flammable liquids. : de en
  • AU110363B2 - An improved device for retaining sliding windows inan open, closed or intermediate position : en
  • US2198096A - Portable lamp : en
  • US2198330A - Thermionic valve : en
  • FR854769A - Compressor : en fr
  • US2198407A - Snow plow device or the like : en
  • AT158623B - Device for displaying a certain liquid level in containers. : de en
  • GB520327A - Improvements in the purification of gases : en
  • US2198001A - Yarn conditioning process : en
  • US2198529A - Heat exchanger : en
  • CA388154A - Oil burner system : en fr
  • AT158543B - Fireless locomotive with high storage pressure. : de en
  • US2198479A - Image reproduction : en
  • USD120187S - Design for an airplane or the like : en
  • AT158545B - Method and device for the production of electrodes consisting of a core and a cladding for arc welding. : de en
  • AT158502B - Building system. : de en
  • US2198263A - Distillation and stabilization process : en
  • US2198282A - Abrading or polishing tool : en
  • US2198532A - Sliding seat latch : en
  • DE690319C - Arrangement of the reflectors hanging down on the pedals of bicycles or motorcycles : de en
  • DE690434C - Device for pre-pinning girders : de en
  • US2198289A - Sizing composition and process of preparation : en
  • US2198170A - Bobbin-case for sewing machines : en
  • FR854714A - Binder for cards, mobile accounts sheets and similar applications : en fr
  • US2197777A - Shoemaking method : en
  • US2197793A - Bond for rail joints : en
  • US2198484A - Indicator key : en
  • USD120128S - Design for a bowl or similar article : en
  • FR854849A - Improvements to carburettors for combustion engines and rotary shutters : en fr
  • GB520442A - Mechanical calculator : en
  • GB520563A - Improvements in or relating to paving blocks : en
  • US2198399A - Building block : en
  • US2198486A - Electric valve control system : en
  • US2197804A - Process of drying lactose : en
  • DE690394C - Procedure to determine the suitability of steels with 0.40 to 0.75% carbon and 0.10 to 0.17% silicon for lichen, under 0.5 mm thick wires : de en
  • US2198588A - Fishing reel anchoring means : en
  • FR854788A - Process for making fibrous materials hydrophobic : en fr
  • AU461139A - Improved bag : en
  • US2198350A - Golf club : en
  • AT158513B - Double rifle brigade. : de en
  • AU110380B2 - Improvements in or relating to television and like transmitters adapted to transmit the socalled direct current component of picture signals aswell asthe other components : en
  • CA388210A - Oxford shoe : en fr
  • AU110351B2 - Improved device for protecting foodstuffs from ants : en
  • US2197782A - Container making machine : en
  • USD120141S - Coffeepot or similar article : en
  • FR854775A - Improvements in the assembly of pumps and rotary motors : en fr
  • CA388151A - Oversock : en fr
  • US2197842A - Box having vertically movable bottom : en
  • US2198339A - Brush : en
  • US2198558A - Clip brooch assemblage : en
  • AU457139A - Improved device for protecting foodstuffs from ants : en
  • US2198115A - Method of photography : en
  • US2198107A - Garment hanger : en
  • US2197982A - Shelf or rack : en
  • US2198253A - Method of making composite metal bearing elements : en
  • US2197984A - Vertical kiln, furnace, and the like : en
  • US2198412A - Removal and recovery of solvent : en
  • US2198434A - Machine for straightening axles and frames of automobiles : en
  • US2197889A - Steering knuckle joint : en
  • FR854795A - Machine for cutting, collecting and truncating the branches : en fr
  • US2197995A - Valve : en
  • US2198236A - Preparation of dialkyl acetylenes : en
  • AU171039A - Improvements in or relating to rail fastening means and to spikes for' use in connection therewith : en
  • FR854929A - Device for recording phonograms : en fr
  • AT158565B - Process for operating prime movers using liquid gases with or without chemical reactions and machine for carrying out the process. : de en
  • US2198539A - Folding scissors : en
  • US2197838A - Lighting and indicating system : en
  • US2198268A - Electrodeposition of metals : en
  • US2198355A - Spoon, fork, or like article : en
  • US2198281A - Derrick pedestal : en
  • AU110377B2 - Improvements in or relating to electrical switch and relay contacts : en
  • AT158597B - Chain connection for the distribution of calls. : de en
  • USD120172S - Design for a dress : en
  • US2198347A - Writing pad : en
  • US2197770A - Filter bed cleaning : en
  • AU110345B2 - Improvements in or relating to electrical networks suitable for use as inter-stage coupling networks in electron discharge tube amplifiers : en
  • US2198521A - Method and apparatus for electrically reproducing sound vibrations : en
  • US2198523A - Indicator : en
  • USD120134S - Design for a tumbler : en
  • USD120135S - Design for a tumbler : en
  • US2197818A - Flowmeter : en
  • US2198232A - Process of manufacturing a waterlaid felt : en
  • US2198427A - Potato digger of the underslung type : en
  • FR854918A - Electric oscillation transmission systems : en fr
  • GB520354A - Improvements in electric supply arrangements for luminous electric discharge tubes : en
  • GB520506A - Improvements in the fixing of pipes to walls and the like : en
  • US2197874A - Receptor for shower stalls : en
  • US2197853A - Sexual hormones and method of preparing them : en
  • FR854750A - Improvements in the preparation of lignin : en fr
  • FR854812A - Assembly of metal panels to the bed base eliminating masses and long sections of the bed : en fr
  • US2198277A - Circuit controller : en
  • DE1484450U - : de en
  • GB520423A - Improvements in or relating to circuits comprising electric discharge tubes : en
  • US2198395A - Collector ring : en
  • US2197917A - Abrading tool : en
  • US2198505A - Electric connector socket : en
  • US2198553A - Method of making a synthesis gas mixture of carbon monoxide and hydrogen : en
  • DE690373C - Electric switch : de en
  • DE690441C - Interference suppression device : de en
  • US2197786A - Expansion joint : en
  • USD120156S - Design for a thermostatic fire alarm : en
  • USD120143S - Design for a display cabinet : en
  • GB520446A - Improvements in and relating to engine or compressor cylinders : en
  • US2198418A - Liquid storage tank equipment : en
  • DE690424C - Preservation Vessel : de en
  • US2198307A - Lubricant : en
  • AT158566B - Feed system for operating a gasoline engine. : de en
  • USD120160S - Feather holding hat ornament or similar article : en
  • DE690440C - DF antenna system to eliminate the nighttime effect with a frame and a dipole antenna : de en
  • DE690331C - Method of cleaning roasted flax stalks : de en
  • FR854842A - Aerial survey method and apparatus : en fr
  • US2197826A - Envelope fastener machine : en
  • DE690554C - Device for quick freezing of food u. like : de en
  • US2197953A - Process for making anhydrite : en
  • USD120155S - Design for a storage battery vent plug : en
  • DE690330C - Half generator for horizontal retort ovens : de en
  • FR854925A - Double-acting hydraulic or pneumatic machine tool : en fr
  • AU110348B2 - An improved tensioner for stringing tennis racquets andthe like : en
  • AU175139A - Improvements intwo-terminal low-pass coupling systems : en
  • CA388252A - Arylides of 2:3-hydroxynaphthoic acid : en fr
  • AT158650B - Planographic printing plate. : de en
  • DE690486C - ffenem iron core, e.g. H core : de en
  • US2198071A - Extensible fire ladder : en
  • US2198432A - Car roof : en
  • US2198552A - Multiple-expansion piston steam engine : en
  • US2198044A - Spaceband transfer mechanism for typographical machines : en
  • US2198210A - Stabilization of hydrocarbon, glyceride and essential oils by substantially crude unrefined cane and beet sugar : en
  • FR854739A - Process for the production of artificial fibers having dye affinity for wool dyes and chromium dyes : en fr
  • AT158585B - Condensation system for the precipitation of vapors under high vacuum. : de en
  • US2197990A - Electromagnetic apparatus : en
  • US2198214A - Retaining carotene content of freshly cut grasses : en
  • US2198223A - Preparation of calcium carbonate : en
  • US2198093A - Dead end cable clamp : en
  • US2198213A - Stabilization of glyceride oils : en
  • US2198372A - Sinter, method of preparation and use thereof : en
  • US2198015A - Oxidation process : en
  • US2198376A - Bearing : en
  • AT158639B - Arrangement for the interaction of several electrolytic decomposers. : de en
  • US2198112A - Signaling apparatus : en
  • US2198270A - Trailer : en
  • DE690355C - Extending table : de en
  • US2198100A - Carburetor device : en
  • AT158537B - Light mark measuring device. : de en
  • US2198018A - Fluid pressure system : en
  • CA388220A - Sealing gasket : en fr
  • CA388184A - Abrasive strip package : en fr
  • CA388241A - Low frequency amplifier : en fr
  • US2198092A - Swivel : en
  • US2198114A - Skein reel : en
  • US2198451A - Air-venting pipe connection : en
  • USD120173S - Design fob a dress : en
  • US2198108A - Vehicle identification and signaling device : en
  • US2198404A - Boiler : en
  • DE687669C - Support device for bending the straightening rolls of sheet leveling machines : de en
  • CA388271A - Hydrocarbon fuel vaporizing apparatus : en fr
  • AT158636B - Process for the processing of stillage, especially potato distillery mustard. : de en
  • AU375739A - Improvement in process and apparatus for coating supports : en
  • AT158507B - Solder made from a eutectic alloy for soldering metal parts in electrical vacuum vessels. : de en
  • AT158558B - Thickness planer. : de en
  • CA388234A - Elevating truck : en fr
  • FR854651A - Auxiliary and removable automobile exhaust : en fr
  • GB520512A - Improvements in textile and like printing : en
  • GB520533A - Improved process of melting down and remelting old aluminium, aluminium scrap, residues, dross and ashes : en
  • DK57513C - Cathode ray tube. : da en
  • DE690558C - Writing device for applying luminous material to dials, pointers, etc. like : de en
  • DE690357C - Device for dividing fish into individual pieces : de en
  • US2197922A - Oxygen regulator : en
  • DE690503C - String instrument, especially violin : de en
  • FR854726A - Process for obtaining cigarillos, cigars, etc., and device for carrying out this process : en fr
  • FR854902A - Slide closing slide with automatic stop : en fr
  • AT158590B - Device for converting the changes in a frequency into changes in current. : de en
  • CA388178A - Printing press : en fr
  • US2198359A - Emergency exit lock : en
  • FR854796A - Pole setting mode of electric generators : en fr
  • AT158509B - Silo lock. : de en
  • CA388169A - Hose clamp : en fr
  • DE690445C - Process for the artificial surface enlargement of the electrodes of electrolytic capacitors or similar devices and equipment for carrying out the process : de en
  • DE690454C - Actuating device for the starting air throttle of a carburetor for internal combustion engines : de en
  • AT158529B - Process for the production of patterns on textile fabrics made from vegetable fibers. : de en
  • DE690419C - Composite crankshaft for internal combustion engines : de en
  • DE690468C - Process for the production of ammonium citrate-soluble phosphate fertilizers : de en
  • AU110379B2 - Improvements relating to electrical rectifiers : en
  • DE690374C - Runner with short-circuit cage : de en
  • AT158620B - Process for hardening profiled parts. : de en
  • US2198426A - Air brake : en
  • US2198474A - Electric switch : en
  • US2197907A - Shoe : en
  • US2197983A - Piston ring : en
  • US2198195A - Process for the reactivation of catalysts used in the dehydrogenation of organic compounds : en
  • US2198272A - Shelter support : en
  • US2198568A - Suction cleaner : en
  • DE690307C - Upholstery suspension for seating and reclining furniture : de en
  • US2198103A - Fluid meter : en
  • US2198318A - Resinous material : en
  • US2198278A - Apparatus for measuring accelerations and retardations : en
  • US2198544A - Individual wheel suspension : en
  • FR854688A - Modulation assembly, and in particular bridge assembly supplied by a modulation frequency and by a carrier frequency : en fr
  • FR854745A - Circuit selectors controlled by a clockwork mechanism : en fr
  • GB520419A - Improvements in and relating to die-casting machines : en
  • DE690416C - Rotary piston internal combustion engine with alternately slower and faster rotating pistons : de en
  • FR854877A - Manufacture of a special chipboard composed of paper pulp for cardboard or other hardened by the incorporation of sulfur : en fr
  • DE690361C - Wedge clamp for pens with a movable and lockable lead holder in a longitudinally slotted jacket sleeve : de en
  • AT158572B - Föttinger transmissions for road and off-road vehicles. : de en
  • US2197808A - Machine for balancing tires : en
  • US2198569A - Means for lubricating railway car journals : en
  • GB520521A - Improvements in or relating to multi-stage compressors : en
  • GB520443A - Improvements in or relating to the bottoms of domestic fire grates : en
  • US2198494A - Electrolyte : en
  • US2198574A - Shaft coupling : en
  • FR854735A - Improvements to electric pulse generators : en fr
  • FR854776A - Improvements to rotary vane pumps and motors : en fr
  • GB520551A - Improvements in or relating to electric dry shavers : en
  • FR854681A - Support for applying a therapeutic metal to the body : en fr
  • GB520550A - Improvements in or relating to electric dry shavers : en
  • US2198036A - Conveyer for tiles and the like : en
  • US2198147A - Earth moving device : en
  • FR854729A - Multi-piece beam for aircraft components : en fr
  • GB520561A - Carrier wave transmission systems : en
  • US2197878A - Surfacing machine : en
  • US2198358A - Electric fence : en
  • GB520358A - Process for reclaiming rubber : en
  • FR854672A - Mechanism for causing adhesion between the metal wheels of a vehicle and its supporting rails : en fr
  • FR854713A - Transmission Mechanism : en fr
  • CA388165A - Kitchen utensil : en fr
  • USD120102S - Thermometer support or similar article : en
  • FR854941A - Device for machine tools (lathes, milling machines) for adjusting and limiting the movement of the tool holder : en fr
  • FR854759A - Clamp intended in particular for fixing reservoir pen holders, pencils and similar pocket items : en fr
  • FR854940A - Illuminated advertising device : en fr
  • DE690380C - Device for removing the punched waste : de en
  • DE690448C - Sand screen device : de en
  • FR854718A - Process for coloring photographic films : en fr
  • FR854891A - Display box for folding dioramas or others : en fr
  • US2197933A - Muting control system : en
  • DE690407C - lay : de en
  • DE688894C - Farm wagon : de en
  • DE690342C - Drawbar frame for rail vehicles : de en
  • USD120110S - Design for a wall lamp : en
  • US2198302A - Hot blast stove : en
  • FR854658A - Friction dampers improvements : en fr
  • GB520495A - Motor driven headstock for grinding and like machines and for other machine tools : en
  • FR854659A - Advanced process for the preparation of finely reduced oxides : en fr
  • FR854777A - Flexible coupling, mainly for pumps and rotary motors : en fr
  • GB520467A - An improved fitting for suspending garments in suitcases, wardrobe trunks, wardrobes or the like : en
  • GB520421A - Improvements relating to furnaces and stoking installations therefor : en
  • DE690466C - Switch arrangement, especially for slaughterhouses, cold stores and storage facilities : de en
  • GB520413A - Improved process and apparatus for cleaning containers with alkaline cleansing agents : en
  • US2198571A - Locomotive : en
  • USD120121S - Groene cutting speed indicating dial : en
  • GB520332A - Improvements relating to landing gear of aircraft : en
  • DK57521C - Spring-loaded Valve for Power Machines. : da en
  • DE690461C - Funnel with a sieve hinged on the upper edge so that it can be opened : de en
  • GB520454A - Improvements in and connected with levelling gauges for use in connection with rail and like tracks : en
  • DK57511C - Coupling device at Telegraph system. : da en
  • FR854926A - Mechanical device to indicate the month, day of the week and date in combination with the time : en fr
  • DE690414C - Process for the production of plastics from acid casein and fillers : de en
  • US2197839A - Expanded rubber boat fender : en
  • US2197849A - Tilting head press : en
  • US2198460A - Method and apparatus for folding paper and the like : en
  • US2198083A - Core taking apparatus : en
  • US2198113A - Navigation method and apparatus : en
  • US2198117A - Closure for bottles : en
  • FR854790A - Receiving apparatus of t. s. f. can be automatically tuned to a number of predetermined stations : en fr
  • FR854816A - Improvements to mechanical razors : en fr
  • GB520513A - An improved construction of flywheel : en
  • US2198051A - Kaleidoscopic reflecting instrument : en
  • US2198489A - Power transformer : en
  • DE690371C - Device for determining the direction of electrical waves : de en
  • US2197855A - Resin and method of making same : en
  • US2198240A - Bearing : en
  • GB520462A - Improvements in or relating to thermionic valves incorporating guiding grids : en
  • FR854895A - TV transmitter mounting : en fr
  • US2198442A - Cushion pad for hand vibrators : en
  • USD120130S - Design for a sandal : en
  • GB520330A - Improvements in or relating to apparatus for measuring and/or controlling the ratio between two quantities : en
  • CA388256A - Bread toaster : en fr
  • US2197945A - Heater : en
  • US2198091A - Rotatable server : en
  • FR854874A - Rod twisting machine : en fr
  • FR854938A - Household or industrial shovel, tilting : en fr
  • CA388171A - Indoor storm curtain : en fr
  • GB520519A - Improvements relating to perforating apparatus for use in connection with sorting cards : en
  • US2197840A - Electrical vaporizer : en
  • US2197881A - Skid chain link : en
  • USD120201S - Design fob a dress ensemble : en
  • US2198202A - Stabilizing food compositions : en
  • DE690480C - Multi-part iron ship's albums : de en
  • DE676091C - Device for row-by-row knotting of Persian knots into a warp : de en
  • US2198069A - Method of making sheet metal vehicle doors : en
  • FR854789A - Improvements to heat exchangers and, more particularly, to those for cooling liquids : en fr
  • GB520481A - Improvements in apparatus for separating suspended matter from liquids by means of electrostatic precipitation : en
  • FR854723A - Quaternary ammonium salts and their applications in industry, in particular for the transformation of fibrous materials into water-repellent products : en fr
  • GB520401A - Improvements in means for raising the head portions of leather-splitting machines : en
  • AT158571B - Compression refrigeration machine working with a liquid ring pump as a compressor. : de en
  • US2198364A - Article of jewelry : en
  • US2198337A - Air conditioning means for automotive vehicles : en
  • US2198519A - Label, stamp, or strip applying device : en
  • USD120168S - Design for an ash tray or similar article : en
  • USRE21431E - Brake operating mechanism : en
  • FR854719A - System and apparatus for detecting and reporting the presence of smoke or other suspended matter in fluid streams such as air : en fr
  • GB520564A - An improved manufacture of motor fuel : en
  • FR854655A - : fr
  • US2198196A - Raising and lowering of agricultural implements : en
  • US2197766A - Pouring spout for milk bottles : en
  • DE690304C - Device for knitting and knitting machines to brake the thread : de en
  • GB520348A - Improvements in or relating to pistons and piston rings therefor : en
  • US2197809A - Photographic process and emulsion utilizing cation-active surface active agents : en
  • US2198576A - Production of lubricating oils : en
  • USD120197S - Design fok a dress ensemble : en
  • US2198158A - Guard for cooking utensils : en
  • FR854866A - : fr
  • US2198087A - Positive loading scraper : en
  • GB520334A - Improvements relating to the control of the relative flow of fluids to consuming appliances : en
  • GB520427A - Improvements in or relating to speed adjusting and limiting devices operating with centrifugal masses : en
  • FR854785A - Process for laying slabs, paving stones or other and device for its application : en fr
  • FR854945A - Improvements to a package for devices for the treatment of corns, bunions, calluses, warts and other similar growths : en fr
  • GB520492A - Improvements in and relating to shuttles for weaving looms : en
  • FR854818A - Aerial propeller : en fr
  • AT158551B - Device to illustrate stability. : de en
  • FR854722A - Force accumulator for cycles : en fr
  • GB520364A - Improvements in or relating to chain belts or the like : en
  • GB520418A - Improvements in the securing of conductors on magnetic teeth or poles and more particularly in dynamo-electric machines : en
  • US2198385A - Sheet conveyer mechanism : en
  • US2198581A - Printing machine : en
  • DE690297C - Device for the ventilation of the compressed air, in particular compressed gas switches : de en
  • GB520366A - Improved means for stoppering and opening fluid containers or vessels : en
  • DE690456C - Hand oil can : de en
  • DE690298C - Time switch : de en
  • FR854760A - Clamp particularly intended for securing pen holders, reservoirs, pencils and similar pocket items : en fr
  • DK57525C - Procedure for Adding Moisture to Bituminous Products with Bituminous Coating. : da en
  • GB520480A - An improved method for partially oxidising gaseous and vaporous hydrocarbons : en
  • AT158508B - Solder made from a eutectic alloy for soldering metal parts in electrical vacuum vessels. : de en
  • FR854850A - Improvement in the assembly and fixing of upholstery, covers or other seat covers : en fr
  • GB520412A - Improvements relating to means for mounting cathode ray tubes : en
  • GB520484A - An improvement in or relating to tractor-drawn agricultural implements and tractors therefor : en
  • US2198577A - Garment : en
  • DE690340C - ls from the peel of the acajou nuts : de en
  • CA388158A - Bathing-suit : en fr
  • CA388233A - Elevating truck : en fr
  • FR854948A - Garment with several ventilation flaps passing one above the other and consisting of pleated transverse bands : en fr
  • CA388239A - Light sensitive electron discharge device : en fr
  • US2198331A - Seam for alloy lined vessels : en
  • US2198379A - Water softening process : en
  • US2197998A - Yarn conditioning process : en
  • US2198380A - Carbonized tannin material for water softening and process of making same : en
  • US2198239A - Refrigerated locker system : en
  • FR854882A - Process for obtaining glucinium from its ores : en fr
  • DK57520C - Two-stroke internal combustion engine. : da en
  • US2198246A - Windowed article and method of making the same : en
  • US2198303A - Door stop : en
  • DK57529C - Container for Storage and Expression of Plastic Substances. : da en
  • FR854746A - Improvements to primary batteries or electrical elements : en fr
  • AT158602B - Telegraph system. : de en
  • DE690325C - Antenna arrangement for generating a guideline : de en
  • GB520344A - Improvements in or relating to vacuum cleaners : en
  • US2198205A - Stabilizing toasted cereal products : en
  • USD120124S - Design for a brooch or similar article : en
  • USD120140S - Design for an electric iron : en
  • US2198057A - Wheel construction : en
  • US2198182A - Fiddle bow : en
  • US2198397A - Variable speed transmission : en
  • DE690429C - Lifeboat : de en
  • US2198215A - Stabilization of glyceride oils : en
  • US2198439A - Fastening device : en
  • US2198545A - Process for the treatment of light distillates : en
  • FR854835A - Method and device for spray drying : en fr
  • FR854928A - Silent standby radio device : en fr
  • AU110366B2 - Improvements in or relating tothe preparation of photographic emulsions : en
  • DE690507C - Bottle cap made of metal foil : de en
  • FR854771A - Stiffener for folding articles of shirts, hosiery, and the like : en fr
  • DE690442C - Compressed gas switch : de en
  • DE690521C - Mirror system with two flat mirror surfaces : de en
  • AT158598B - Electric lighting fixture with adjustable, automatic, intermittent power supply interruption. : de en
  • FR854732A - Improvements to devices for eliminating unwanted electrical signals : en fr
  • CA388173A - Paper container : en fr
  • CA388197A - Lamp socket : en fr
  • US2198293A - Mineral oil composition containing wax-aryl ether acids : en
  • US2198409A - Apparatus for treating tubular packages of thread of fine filamentous character : en
  • CA388214A - Rubber and viscose adhesive : en fr
  • US2198269A - Manufacture of compressed cellulosic or wood products : en
  • USD120167S - Design fob a jar : en
  • US2198070A - Pressure valve : en
  • US2198082A - Pedestrian's walking stick : en
  • US2198055A - Float-operated liquid level gauge : en
  • CA388265A - Film driving element : en fr
  • US2198476A - Alloy compositions and articles made therefrom : en
  • US2198011A - Structural block and wall construction : en
  • US2198149A - Production of pipe conduits for chemical purposes : en
  • US2198256A - Centrifuge tube : en
  • US2198560A - Method for the production of hydrogen : en
  • US2198154A - Safety device for the fixation of ski : en
  • CA388172A - Shoe anti-slipping device : en fr
  • US2198334A - Electron discharge device : en
  • US2197835A - Mineral oil composition : en
  • US2198394A - Seat post assembly : en
  • US2198493A - Vulcanizing apparatus : en
  • AU110355B2 - Improvements in means for cleaning visual indicators of petrol pumps and other containers : en
  • CA388273A - High frequency current controlling device : en fr
  • US2197971A - Liquid strainer : en
  • US2198164A - Wiping pad : en
  • DE690336C - Cushioning, especially for motor vehicles : de en
  • AT158631B - Process for the production of laminated glass. : de en
  • US2197968A - Apparatus for molding slide fastener teeth : en
  • US2198527A - Purification of sand : en
  • AT158581B - Cam which is composed of individual cam disks, preferably made of insulating material. : de en
  • CA388175A - Centrifugal clutch : en fr
  • AT158536B - Process for the production of multicolored materials with a uniform structure. : de en
  • FR854819A - Low voltage lamp tubes : en fr
  • GB520380A - Improvements in or relating to the manufacture of lamp-fixtures and light-fittings and/or parts thereof or for same : en
  • GB520476A - Improvements in or relating to automatic or semi-automatic telephone or like exchange systems : en
  • US2198013A - Sweeping composition : en
  • US2198338A - Footwear : en
  • GB520375A - An improved means for gripping, anchoring or joining ropes : en
  • GB520426A - Improvements in and relating to noise limiting circuits for carrier wave communication systems : en
  • AT158549B - Process for making molded articles. : de en
  • AT158580B - Magnetic electric machine for ignition purposes. : de en
  • US2198562A - Method of making sulphurized : en
  • CA388189A - Paper machinery : en fr
  • US2198052A - Heel knitting machine : en
  • US2198344A - Electrical signal repeating system : en
  • USD120114S - Design for a music stand : en
  • DE690401C - Circuit arrangement for coin telephones with automatic charge control in the office : de en
  • AU59139A - Process of manufacturing sugar and new molasses from sacchari ferous plants : en
  • US2198140A - Method of and means for folding shoe uppers : en
  • CA388161A - Dental radiograph apparatus : en fr
  • US2197807A - Gripping device : en
  • US2198541A - Electrical switching device : en
  • US2197865A - Process of concentrating phosphate bearing minerals : en
  • US2198193A - Plug socket : en
  • AT158542B - High pressure steam storage tank with water filling. : de en
  • DE690497C - Combating plant pests : de en
  • FR854701A - Filtering device for projectors : en fr
  • AU211439A - An improved tensioner for stringing tennis racquets andthe like : en
  • US2198207A - Coffee : en
  • US2198137A - Tablet depositing machine : en
  • US2198497A - Casting press plates : en
  • US2197851A - Motor fuel : en
  • US2198151A - Process for reducing corrosion and composition of matter of reduced corrosiveness towards ferrous metals : en
  • US2198243A - Device for improving the tone qualities of loudspeakers : en
  • US2198298A - Acid dyestuffs and a process of preparing them : en
  • DE690332C - Process for the production of safety glass : de en
  • FR50880E - : fr
  • US2198078A - Hydraulic jolt machine : en
  • US2198228A - Rubber heel : en
  • US2198463A - Mill discharge means : en
  • US2197759A - Band-width indicator for receivers : en
  • DE690465C - Conveyor belt support roll : de en
  • USD120189S - Design fob a tablecloth ob similar article : en
  • US2198143A - Aeration apparatus : en
  • USD120195S - Design for a dress ensemble : en
  • US2197943A - Coke oven charge leveling apparatus : en
  • US2198050A - Conversion products of pyrene : en
  • US2197879A - Paper laying machine : en
  • GB520556A - Improvements relating to cycle handlebar stems : en
  • DE690489C - heating : de en
  • US2198283A - Buffing tool : en
  • US2197902A - Method of and machine for treating shoes : en
  • US2198459A - Display case : en
  • GB520470A - Improvements in or relating to current collectors for electric vehicles : en
  • DE690018C - the : de en
  • GB520531A - Television transmission station and method of carrying out a complete television transmission service : en
  • DE690409C - alternating direction of rotation : de en
  • GB520450A - Apparatus for controlling the production of inert atmospheres : en
  • DE690550C - Interconnectable ladder : de en
  • US2198155A - Supporting structure for railway cars and like vehicles : en
  • US2198332A - Vehicle seat back : en
  • US2198448A - Continuous filament formation : en
  • US2197961A - Pipe or tube welding : en
  • US2198572A - Vehicle door operating gear : en
  • AT158606B - Capacitor electrode. : de en
  • CA388168A - Television control system : en fr
  • DE690495C - Impact device to determine the behavior of hollow bodies against sudden internal pressure : de en
  • GB520559A - Improvements in and relating to gloves : en
  • DE690515C - Process for the production of insulation layers against cold, heat and noise : de en
  • GB520463A - Improvements in and relating to mounting structure for the power units of aeroplanes : en
  • FR854767A - Improvement in so-called transatlantic loungers : en fr
  • US2198378A - Synthetic resin and certain uses therefor : en
  • FR854730A - Artificial material : en fr
  • GB520337A - Improvements in and relating to electric over-voltage protective systems : en
  • US2197925A - Check mechanism : en
  • US2198176A - Towel dispenser : en
  • US2198124A - Water treating apparatus : en
  • US2197821A - Hair curler : en
  • US2198157A - Portable foldable seat : en
  • US2198336A - Electrical switch : en
  • US2198413A - Solvent extraction of oil from oleaginous material : en
  • US2198449A - Repass air conditioning system : en
  • DE690524C - external fluids : de en
  • DE690397C - Holder for small microphones : de en
  • FR854834A - Improvements in the construction of devices comprising a mobile equipment rotating in a magnetic field : en fr
  • AT158514B - Control valve for containers for hydrocarbons liquefied under pressure. : de en
  • FR854947A - Device for the transmutation of atoms : en fr
  • DE690370C - Permanent joint insert, especially for concrete pavements : de en
  • DE690379C - Sealing for shut-off valves, gate valves or the like for high pressures and temperatures : de en
  • FR854654A - Process for improving the resistance to surface oxidation of iron-aluminum alloys and resulting alloys : en fr
  • FR854807A - Drive pulley or return pulley for vehicle tracks intended to travel in sandy, soft or stony terrain : en fr
  • FR854828A - Improvements to tank closures : en fr
  • FR854824A - Improvement in thermoplastic materials for the electrical industry : en fr
  • FR854922A - Surge arrester : en fr
  • US2198024A - Shuttle for looms : en
  • US2198461A - Vehicle door latch : en
  • FR854770A - Improvements to spectacle frames and similar articles : en fr
  • DE690343C - Method for the transmission of synchronous pulses in television interlacing : de en
  • AU208639A - Improvements in or relating tothe preparation of photographic emulsions : en
  • GB520441A - Improvements in or relating to pressure sensitive devices : en
  • GB520347A - Improvements in or relating to hot water or other liquid heating systems : en
  • FR854840A - Complete powertrain test device : en fr
  • US2197903A - Mechanism control : en
  • US2197822A - Panelboard and method of making same : en
  • US2197904A - Combustion control : en
  • US2198120A - Method of sealing or fixing casing tubes in wells : en
  • CA388222A - Public address system : en fr
  • DE690474C - offers : de en
  • FR854815A - : fr
  • DK57515C - Filtration funnel. : da en
  • US2198345A - Apparatus for and method of making fasteners : en
  • USD120206S - Design foe a coat : en
  • US2198139A - Recording apparatus : en
  • FR854860A - Automatic gas temperature adjustment device more particularly applicable to gasifiers : en fr
  • US2198563A - Method of completing wells : en
  • FR50852E - : fr
  • FR854768A - Device for the projection by a cinematographic apparatus of two films of different width and perforation : en fr
  • GB520479A - Improvements in or relating to method of and apparatus for heat treatment of hollow work pieces : en
  • US2197803A - Metal roofing shingle : en
  • US2197848A - Power lift attachment for tractors : en
  • US2198555A - Contact chamber : en
  • USRE21432E - Process and compound for polishing : en
  • US2198222A - Cacao butter as antioxidant : en
  • US2198398A - Variable speed reversible transmission : en
  • DE690464C - Toy wheel : de en
  • US2197899A - Television tube : en
  • USD120117S - Design for a bowling alley : en
  • AT158539B - Arrangement in security systems with command and execution signal boxes. : de en
  • IE15772L - Luminescent material : en
  • GB520567A - A machine for spreading vehicle wheel springs for assembling purposes : en
  • FR854695A - Indicator dye for the colorimetric determination of the concentration value of hydrogen ions and method for its preparation : en fr
  • IE16073L - Pleated blinds : en
  • US2198580A - Manifolding machine : en
  • FR854786A - Improvements to tobacco pressure and shaping devices : en fr
  • FR854693A - Method of constituting circuits for telecommunications installations comprising call seekers : en fr
  • DE690537C - Light control device for television purposes : de en
  • DE690467C - Central switch point for pneumatic tube systems : de en
  • FR854845A - Bogie damper : en fr
  • DE690541C - : de en
  • DE690421C - Slider control arrangement for chute motors with compressed air operation : de en
  • US2198167A - Method for making repairs : en
  • US2198515A - Hydraulic transmission mechanism : en
  • GB520453A - Process for incorporating gluten in flour : en
  • GB520558A - Improvements relating to vehicle ventilators : en
  • GB520407A - Improvements in folding furniture such as chairs : en
  • AT158533B - Electrical remote display system. : de en
  • US2197789A - Display rack : en
  • CA388201A - Coiling reel : en fr
  • US2198023A - Instrument, more particularly gyroscopic apparatus : en
  • US2198363A - Garment hanger : en
  • USD120118S - Design for a shoe sole : en
  • AU110381B2 - Improvements in and relating to moulding polymerised ethylene : en
  • AT158629B - Rack and pinion gears, in particular for machine tools. : de en
  • AU3272250A - Moving stairway : en
  • CA388226A - Web supply mechanism : en fr
  • USD120154S - Design fob a storage battery vent plug : en
  • US2198500A - Window ledge air conditioning unit : en
  • US2198229A - Cooling means for aircraft engine exhaust stacks : en
  • US2197827A - Patch applying machine : en
  • US2198009A - Method and apparatus for rolling metal strip : en
  • US2198162A - Identifying mark : en
  • USD120193S - Design fob a dress ensemble : en
  • DE690449C - Method for lining an engine cylinder made of light metal : de en
  • CA388237A - Cellulosic material bleaching method : en fr
  • US2197805A - Dialyzing diaphragms and process of making the same : en
  • US2198275A - Mineral oil composition and improving agent therefor : en
  • CA388170A - Vehicle spring action : en fr
  • US2198510A - Dish draining and spraying apparatus : en
  • USD120153S - Design foe, an automobile grille unit : en
  • USD120176S - Design fob a spoon ob otheb abticle of flatwabe : en
  • AT158608B - Telegraph system. : de en
  • AT158586B - Adjustment device for radio receivers. : de en
  • DE690463C - boxing glove : de en
  • GB520439A - Improvements in or relating to rubber shod wheels : en
  • GB520528A - Improvements in colour photographic developers and colour photographic development processes : en
  • US2197769A - Lubricant and process of making the same : en
  • FR854664A - Combined device of cigarette mold and cigarette holder : en fr
  • AT158641B - Process for the production of synthetic masses, paints and the like like : de en
  • AT158526B - Liquid heaters, in particular for the preparation of boiling water. : de en
  • US2198361A - Ski : en
  • GB520509A - Cooling of liquid-cooled internal-combustion engines : en
  • FR854709A - Process for the manufacture of electric heating elements : en fr
  • DE690509C - Adjustable drawing angles used for drawing and measuring angles : de en
  • GB520368A - Improvements in or relating to devices for feeding sheets to machines : en
  • GB520514A - Improvements in or relating to socks for footwear : en
  • US2197755A - Gauge : en
  • US2197997A - Self-locking hook : en
  • US2198178A - Helical feed device : en
  • DE690451C - Ash box with sliding lid for ovens, stoves and similar fireplaces : de en
  • FR854697A - automatic economizer for all petrol engines : en fr
  • GB520560A - A method of manufacturing flexible threads, tapes, sleeves, tubes, coverings and the like : en
  • US2198297A - Mute for violins : en
  • US2198535A - Pipe clamp chimney combination : en
  • GB520541A - Improvements in label holders particularly applicable to railway and like wagons : en
  • GB520516A - Improvements in or relating to magneto-strictive vibrators : en
  • US2197776A - Apparatus for drying leather : en
  • FR854931A - Motor vehicle stabilizer : en fr
  • GB520429A - Improvements in and relating to closures for bottles and like containers : en
  • GB520562A - Improvements relating to the regeneration of paper pulp : en
  • AT158604B - Vehicle headlights with a concave mirror that can be pivoted about an axis. : de en
  • US2198212A - Stabilization of oils : en
  • US2198483A - Pneumatic tire : en
  • FR854704A - Block or advanced construction element : en fr
  • DE690364C - Connection of bolt head with bolt handle : de en
  • GB520331A - Improvements in or relating to materials for use in the production of alloys containing chromium, and to the production of alloys therefrom : en
  • GB520499A - Improvements in or relating to sealed containers having removable and replaceable closure caps : en
  • US2198573A - Method and apparatus for graveling wells : en
  • US2197955A - Steels and alloys having elevated chromium content : en
  • US2198264A - Apparatus for welding : en
  • US2197979A - Blowpipe : en
  • FR854686A - Ammunition tank for air vehicles : en fr
  • FR854724A - Lighted cigarette dispenser : en fr
  • US2197963A - Welding apparatus : en
  • US2198408A - Attachment for card tables : en
  • FR854653A - Internal packaging for bottle crates : en fr
  • DE690458C - oils, such as whipped cream or the like. : de en
  • DE690323C - Storage of the main drive shaft of a two-turn high-speed press : de en
  • FR854846A - Improvements to shoe soles and resulting products : en fr
  • US2198060A - Reinforced phonograph record : en
  • GB520445A - Improvements in and relating to closures for containers for liquids : en
  • DK57526C - Corner brackets for window frames and similar frames that must be able to be connected. : da en
  • DE690406C - Multipole electrical toggle switch : de en
  • US2198133A - Thermostat : en
  • US2198429A - Direct indicating locomotive reverse gear : en
  • US2198121A - Closure arrangement : en
  • US2198326A - Program switching system : en
  • US2197978A - Asparagus washer : en
  • US2198274A - Mineral oil composition : en
  • DK57527C - Procedure for the manufacture of a glass cladding for walls and facades. : da en
  • DE690430C - Notification point equipment, especially for fire alarm purposes : de en
  • FR854896A - Wetting device for multicopy of reverse writing clichĂ©s : en fr
  • GB520447A - Pick-up for electric sound reproducing apparatus : en
  • GB520434A - Improved method of and apparatus for sublimating materials at a low pressure : en
  • DE690403C - Payment device for table coin telephones with automatic payment of the coin after the end of the conversation : de en
  • US2197781A - Extreme pressure lubricant : en
  • DE690501C - Device for central guidance of the material bars in circumferential guide tubes of turret arms or automatic bar machines : de en
  • US2198369A - Door for railway cars : en
  • USD120149S - Design for a shoe : en
  • AT158506B - Elastic sliding joint. : de en
  • US2197857A - Manufacture of yarns containing staple fiber from yarns composed of continuous filaments : en
  • US2198211A - Method of rendering fat containing meat : en
  • US2198224A - Press control mechanism : en
  • US2198171A - Recording device : en
  • US2198233A - Electron-multiplier system : en
  • GB520456A - Sheet metal wheel for ordnance and artillery vehicles : en
  • US2198333A - Adjustable slide for punch presses : en
  • GB520376A - Improved ring gauge for splined work : en
  • US2197976A - Educational toy : en
  • US2198499A - Dispenser : en
  • US2198250A - Ignition apparatus : en
  • US2197831A - Mounting of boilers of mallet locomotives : en
  • US2197965A - Venetian blind clamp : en
  • CA388216A - Rock drill : en fr
  • USRE21434E - Machine tool transmission and control : en
  • US2198402A - Door closer : en
  • US2198570A - Dispensing container : en
  • US2198561A - Method of purging thermostats : en
  • US2197790A - Drill stem orienting device : en
  • US2198542A - Softening water : en
  • AU237639A - Improvements in and relating to metal chairs : en
  • US2197880A - Aromatic polynuclear polycarboxylic acids and a process of making them : en
  • US2197845A - Packaging strip material : en
  • GB520387A - Improvements relating to electric lamps : en
  • GB520572A - Improvements in or relating to brazing processes : en
  • US2197944A - Combined fuel pump, injection and spray jet for use with an internal combustion engine : en
  • US2198365A - Electroplating : en
  • US2198445A - Device for visually indicating the deviation from a course : en
  • FR854772A - Pushbutton switch enhancements : en fr
  • GB520544A - Improvements in or relating to optical objectives : en
  • DE690337C - Wet setting machine : de en
  • AT158520B - Device for the electrical transmission of characters. : de en
  • DE690420C - Spark plug : de en
  • US2198436A - Refrigerated display case : en
  • US2197935A - Process for treating gases and vapors with liquids : en
  • US2198259A - Hardness test machine : en
  • US2198169A - Negative carrier, especially suitable for projection apparatus and enlarging apparatus : en
  • US2198349A - Alkyl cresols : en
  • CA388193A - Electric discharge lamp : en fr
  • US2197912A - Deflector for close coupled oil burners : en
  • DE690520C - Method for the electrical recording of speech sounds : de en
  • FR854907A - Improvements to machine tools, in particular to those for piercing rocket shell bodies : en fr
  • US2198306A - Toy railroad : en
  • US2198304A - Method and apparatus for circulating glass : en
  • DE690546C - Curtain box : de en
  • FR854875A - Machine for husking seeds and particularly peanuts : en fr
  • GB520548A - Improvements in or relating to teleprinter exchange systems : en
  • US2198342A - Blowpipe : en
  • AU363539A - Improvements in and relating to apparatus forthe safe deposit of money andother valuables in banks, strongrooms and depositories : en
  • US2197862A - Process for polymerizing unsaturated gases : en
  • US2198393A - Purification of liquid matter : en
  • DE688426C - Valve plug for electrolytic capacitors : de en
  • DE690522C - Device for scaffolding for aircraft manufacture : de en
  • US2197863A - Distortion correction for television systems : en
  • DE690295C - Oarm or oilless circuit breaker with power switch in parallel : de en
  • CA388166A - Electric current wave handling apparatus : en fr
  • US2198260A - Process for the production of nitrogen-containing alpha beta-unsaturated ketones : en
  • US2198508A - Refrigerator : en
  • US2198062A - Electrical spark gap : en
  • US2198314A - Pulley for speed-changing mechanisms : en
  • US2198054A - Regenerative gas heater or stove : en
  • USD120188S - Design fob a tablecloth or similar article : en
  • US2197844A - Telephone substation apparatus : en
  • CA388177A - Emulsifying machine : en fr
  • DE690359C - Cork closure machine : de en
  • US2197858A - Piezoelectric crystal holder : en
  • US2198173A - Nitrocellulose solution : en
  • DE690534C - Electromagnetically controlled valve, especially for steam heating of railway vehicles : de en
  • DK57519C - Milling disc for beet thinning machines. : da en
  • US2198446A - Waste liquor recovery apparatus : en
  • CA388247A - Unsaturated compound polymerization process : en fr
  • GB520569A - Improvements in and relating to the utilisation of exhaust steam for the creation ofdraught required for the combustion of fuel in steam or like power plant : en
  • US2198148A - Vibratory apparatus : en
  • US2198175A - Multiple filter device : en
  • DE690385C - Outer clothing made of rubberized textile fabric : de en
  • DE690529C - Night hood or hairstyle hood : de en
  • FR854662A - Printing device for scales : en fr
  • US2198566A - Recovery of lubricating oil from acid sludge : en
  • GB520457A - Actuating device for change speed gearing especially of power vehicles : en
  • FR854668A - Improvements relating to devices capable of being used in brakes, clutches or the like : en fr
  • FR854700A - Lug shaft : en fr
  • GB520346A - Projectile : en
  • GB520545A - Improvements in vacuum drying cylinders particularly for grain : en
  • US2198035A - Speed controller : en
  • US2198230A - Spirometer : en
  • FR854736A - Pre-alloy for obtaining magnesium alloys : en fr
  • US2197929A - Protective covering for trees : en
  • DE690426C - Device for exerting controlled adjustment forces using a pressure medium, in particular for transmitting control pulses for aircraft engines : de en
  • DE690437C - sound in a certain part of the room : de en
  • US2197833A - Mineral oil composition : en
  • US2198129A - Fluid pressure mechanism : en
  • GB520459A - Improvements in and relating to retractive electric switches : en
  • US2197913A - Window construction : en
  • FR854898A - Manufacturing process of rubber gas masks : en fr
  • US2197806A - Display unit : en
  • US2197923A - Amalgamator : en
  • GB520552A - Improvements in and relating to the tuning of superheterodyne radio receivers : en
  • US2198085A - Apparatus for applying flux to welding rod : en
  • US2198327A - Mosaic electrode structure : en
  • US2198419A - Pressing machine : en
  • DE690543C - Safety device for gas-heated devices : de en
  • US2197910A - Electric razor apparatus : en
  • US2198000A - Yarn conditioning process : en
  • AU158639A - Improvements in refrigerating apparatus : en
  • AU161139A - Improvements in or relating to negative resistance circuit arrangements : en
  • US2197773A - Toy organ : en
  • DE690475C - in sprout script : de en
  • US2198267A - Electrodeposition of metals : en
  • US2198276A - Strip take-up block : en
  • FR854706A - Electric discharge tube : en fr
  • US2198094A - Method and apparatus for making collapsible boxes : en
  • US2198273A - Power transmission mechanism : en
  • US2198217A - Protecting cream against oxidation : en
  • FR854847A - Automatic gaseous fluid regulator : en fr
  • GB520349A - Improvements in or relating to electrical testing apparatus : en
  • US2197897A - Wiring box : en
  • US2197919A - Method and apparatus for making candy and the like : en
  • US2197937A - Noise reduction system : en
  • US2198470A - Automatic control equipment for synchronous frequency converters : en
  • AT158583B - Device for concentric setting of several breakers arranged on a breaker base plate and actuated by a rotating cam. : de en
  • US2198471A - Variable speed transmission : en
  • CA388156A - Collapsible tube cap : en fr
  • DE690299C - Remote switching device : de en
  • GB520505A - Plasticising of polymeric organic sulphides : en
  • US2197936A - Bicycle stand mechanism : en
  • USD120127S - Design for a pocket pencil or similar article : en
  • GB520352A - Improvements in or connected with containers for gases : en
  • GB520406A - Improvements in or relating to clutches : en
  • US2198578A - Double glazing : en
  • US2198199A - Stabilizing food compositions : en
  • CA388198A - Lamp holder : en fr
  • US2198177A - Toy cooking stove : en
  • US2197892A - Mechanism for walking toys : en
  • US2198059A - Protecting device : en
  • US2197883A - Method of making shaft journals : en
  • US2197834A - Mineral oil composition : en
  • US2197920A - Cementing apparatus : en
  • USD120120S - Design for a lead pot heater : en
  • DE1484644U - : de en
  • DE690538C - Lacquered membrane : de en
  • US2197926A - Lift truck : en
  • US2198197A - Modified antioxygenic starch and method of making and using the same : en
  • DE690413C - Hot water heating system with connected service water generation : de en
  • US2198587A - Method of and apparatus for pack : en
  • AT158540B - Arrangement of projection apparatus for black and white projection, especially cine projectors. : de en
  • US2197801A - Lock stitch sewing machine : en
  • US2197802A - Electromagnetic lock : en
  • US2198194A - Adjusting apparatus in edging machines : en
  • FR854661A - Cooling air guide plate for air-cooled internal combustion engines, especially for cooling the cylinder head of engines : en fr
  • FR854884A - Process for the preparation of asphalt from products which contain both asphalt and paraffin : en fr
  • GB520340A - Improvements in or relating to flexible or resilient mechanical joints : en
  • FR854905A - Folding cardboard box or the like : en fr
  • DE690526C - Hot steam tube cooler connected to the water circulation for installation outside the steam drum of a water tube boiler : de en
  • AT158574B - Föttinger transmissions for road and off-road vehicles. : de en
  • US2197948A - Apparatus and method for modification of currents of air, gases, and the like : en
  • US2197991A - Tool for straightening well bores : en
  • US2198186A - Clip for moldings and the like : en
  • CA388195A - Electric circuit interrupter : en fr
  • US2197886A - Window ventilator : en
  • US2198284A - Molding machine : en
  • US2198360A - Electric motor : en
  • US2198506A - Pumping apparatus : en
  • DE690417C - fuel : de en
  • FR854756A - Process for soft soldering of insulated flexible electrical conductors : en fr
  • US2197767A - Hose winder or reel : en
  • US2197911A - Centrifugal separator : en
  • US2198125A - Pressure cooker : en
  • US2198348A - Counterbalance : en
  • FR854748A - Advanced closure for containers : en fr
  • US2197989A - Grave digger and excavator : en
  • US2198090A - Taper attachment for lathes : en
  • DK57514C - Disinfectant. : da en
  • GB520455A - Improvements in tables for feeding sheets to metal punching and other machines : en
  • IS129B6 - Method for the production of coffee substitutes and coffee additives : en is
  • AT158579B - Braking device acting on the towing road vehicle when the trailer runs into operation. : de en
  • AU169039A - Improvements in and relating to moulding polymerised ethylene : en
  • AT158624B - Device for raising and lowering rotatable doors or the like. : de en
  • US2198280A - Shade and curtain hanger : en
  • DE690392C - Steam turbine system that works in parallel with an external network and is controlled by a pressure regulator : de en
  • US2198248A - Method of and means for communication : en
  • US2198308A - Machine for performing nailing and like fastening operations : en
  • US2198346A - Oven door and hinge structure therefor : en
  • FR854683A - Machines for applying flexible foil packaging such as cellophane, paper, etc. to boxes. : en fr
  • US2197861A - Process of polymerization : en
  • US2197996A - Foot support : en
  • US2198245A - Method of manufacturing lumber : en
  • CA388174A - Saw filing machine : en fr
  • DK57523C - Plate type heat exchanger. : da en
  • AU159439A - Method of and apparatus for coating sheet materials : en
  • AT158524B - Inductive controller with coarse and fine control. : de en
  • US2198181A - Link mechanism for turnbuckles : en
  • CA388187A - Propeller blade : en fr
  • US2198033A - Inertia type brake control means : en
  • US2198152A - Dispensing mechanism of popped corn into candy floss or the like : en
  • AU447539A - Container and method of making thesame : en
  • AU161039A - Improvements in or relating to electrical networks suitable for use as inter-stage coupling networks in electron discharge tube amplifiers : en
  • CA388167A - Lunch container : en fr
  • CA388155A - Bulldozer : en fr
  • GB520566A - Improvements in and relating to mechanical hammers : en
  • AU123139A - Improvements in means for cleaning visual indicators of petrol pumps and other containers : en
  • AT158611B - Measuring device with working springs, the movement of which is caused by internal forces dependent on the measured value. : de en
  • FR854857A - Process for preparing artificial fibers from continuous yarns : en fr
  • AT158575B - Ignition device for internal combustion engines operated with a current buzzer. : de en
  • FR854680A - Method for plotting curves and apparatus for carrying out this method : en fr
  • AT158635B - Process for the production of glycerine by yeast fermentation. : de en
  • GB520452A - Improvements in and relating to ventilators : en
  • AT158538B - Vehicle for caterpillar and wheel operation. : de en
  • US2198136A - Heat exchange structure : en
  • USRE21433E - Capsule stopper for bottles : en
  • GB520422A - Improvements in band-pass filters : en
  • GB520534A - Improvements in or relating to planting machines : en
  • AT158587B - Low inertia and high accuracy AC protection relays. : de en
  • FR854670A - Process and machine for making bags and envelopes of paper or the like : en fr
  • FR854740A - Process for the preparation of aliphatic amino-sulfonic acids : en fr
  • GB520444A - Improvements relating to cases or holders for sticks of lip salve and similar preparations : en
  • FR854792A - Floor for covers at ground level : en fr
  • FR854728A - Process for removing solid substances from oils : en fr
  • USD120112S - Cup handle alphabet or similar article : en
  • US2198022A - Brake and sanding control equipment : en
  • DE690369C - Process for the production of nitrogenous cellulose derivatives : de en
  • DE690535C - Circuit arrangement for telegraph systems with dialer operation and preselectors : de en
  • GB520527A - Printing materials for colour photography : en
  • AT158645B - Process for the production of porous lightweight bricks. : de en
  • AU110368B2 - Improvements in and relating to metal chairs : en
  • DE690367C - Arrangement for loading a conveyor wagon train : de en
  • USD120142S - Design for a combination sachet : en
  • FR854915A - Electrical pulse or wave transmission systems : en fr
  • GB520520A - Improvements relating to devices for indicating the level of liquids in tanks : en
  • AT158649B - Process for the manufacture of objects from highly polymerized materials. : de en
  • FR854950A - Device to facilitate the starting of diesel engines of motor vehicles, motor boats or airplanes, without electric battery : en fr
  • GB520390A - Improvements relating to the brake operating levers of bicycles and the like : en
  • FR854944A - Improvements to heat-producing compositions and their casings, to their methods of manufacture and to methods for achieving permanent corrugation with the heat-producing composition and the casing or sachet : en fr
  • US2197763A - Mixing apparatus for charging beverages or for frothing liquids : en
  • US2198144A - Bicycle signal switch : en
  • GB520345A - Improvements in the softening of textile fibres, yarns and fabrics : en
  • US2198012A - Coin-operated weighing and dispensing device : en
  • FR854766A - Sulfite refinements for grape harvests and wines : en fr
  • FR854889A - Multiple television receiver device : en fr
  • CA388159A - Aircraft engine mounting : en fr
  • FR854822A - Safety device against cable slipping in koepe pulley extraction machines : en fr
  • US2197977A - Tennis racket cover : en
  • FR854657A - Process for separating thiophenols from alkyl phenols : en fr
  • FR854946A - Automatic bookmark for books, catalogs, magazines, etc. : en fr
  • AT158517B - Heating device for steam burners of cookers, blowtorches, lights or the like. : de en
  • AT158616B - Process for grinding gears using the gear grinding process. : de en
  • GB520335A - Improvements in or relating to the tuning of radio receivers : en
  • GB520461A - Improvements in electric lamps having sealed envelopes : en
  • FR854892A - Improvements to tubular boilers : en fr
  • DE690388C - machines : de en
  • FR854942A - Electric cable : en fr
  • DE690510C - Frame support for sole presses : de en
  • FR854801A - Car hood : en fr
  • GB520339A - Improved deflection indicator or deflectometer : en
  • US2198279A - Drawing roll : en
  • US2198291A - Automatic air relief valve : en
  • US2198540A - Production of metal tubes in inclined rolling mills : en
  • US2198416A - Ball cock : en
  • US2197916A - Gasket : en
  • FR854791A - Superheterodyne type receiver assembly : en fr
  • FR854851A - Automatic heating or melting device for liquids and fuses : en fr
  • FR854867A - Intake and exhaust system of an engine : en fr
  • FR854836A - Improvements to the cremones for metal joinery : en fr
  • FR854883A - Ferraris counter in which a thermal alloy is provided for the compensation of the temperature error in the engine system : en fr
  • US2197869A - Mop cleaning device : en
  • US2198422A - Coin controlled timing device : en
  • DE690482C - Cleaning device for fabrics and fabrics : de en
  • DE690544C - special circular knitting machines : de en
  • FR854781A - Solid dyes of cellulosic fibers with metallic dyes : en fr
  • GB520525A - A process for improving of tars or asphalts : en
  • US2197893A - Lathe headstock : en
  • US2198146A - Combination fork and fender for velocipedes : en
  • US2198216A - Butter manufacture : en
  • USD120139S - Design fob a plat table or the like : en
  • GB520424A - Improvements in or relating to hydraulic power transmission apparatus : en
  • US2197787A - Waste trap : en
  • US2197843A - Process of impermeabilizing, tightening, or consolidating grounds and other earthy and stony masses and structures : en
  • CA388196A - Metal chip breaker : en fr
  • US2197900A - Fading regulation in television receivers : en
  • US2197909A - Milk sediment tester : en
  • US2198038A - Fluid pressure brake apparatus : en
  • US2198548A - Locking device : en
  • USD120170S - Design for a brooch or similar article : en
  • DE690316C - Cardan joint, in particular for driving motor vehicles : de en
  • US2198079A - Door lock : en
  • US2198072A - Change speed transmission mechanism : en
  • USD120103S - Design fob a portable combined sound and picture reproducing apparatus : en
  • AT158633B - Process for treating metals in nitrate melts. : de en
  • CA388215A - Electroplating method : en fr
  • US2198300A - Hydroxylated 2-aryl-pseudonaphthazimides : en
  • AT158521B - Stencil printing process and device for carrying out the process. : de en
  • US2197975A - Anatomical demonstrating device : en
  • US2198328A - Refrigerator control : en
  • US2198490A - Oil well bailer : en
  • CA388272A - Sliver drawing roll : en fr
  • CA388229A - Halogenated phthalocyanine pigment : en fr
  • US2197967A - Sound reproducing apparatus : en
  • US2198450A - Light transmitting structure : en
  • US2198160A - Accordion : en
  • CA388231A - Solid container treatment : en fr
  • US2197788A - Sock drier : en
  • US2197957A - Traveling welder : en
  • CA388199A - Lamp socket : en fr
  • US2197837A - Mineral oil composition : en
  • US2197986A - Bumper for carpet sweepers : en
  • US2198066A - Adhesive applying mechanism for envelope blanks and the like : en
  • AT158550B - Sonic beam. : de en
  • GB520403A - Improvements in electric switchgear of the enclosed type : en
  • USD120131S - Design for a lounge chair : en
  • AT158505B - Self-sellers, especially for ice cream, ice cream or the like. : de en
  • AT158563B - Method for operating dust engines, in particular coal dust engines. : de en
  • US2198191A - Book-marking device : en
  • CA388242A - Fire extinguisher : en fr
  • US2198320A - Battery terminal connector : en
  • US2197836A - Mineral oil composition : en
  • FR854705A - Individual weapon rack : en fr
  • AT158648B - Photographic product for color photography. : de en
  • US2197867A - Method for receiving and transmitting signals : en
  • US2198514A - Fluid pressure operated apparatus : en
  • AT158612B - Soldering iron. : de en
  • DK57517C - Procedure for Soil Surveys and Containers for Use in Practicing the Procedure. : da en
  • AU110367B2 - Improvements relating to calculating machines : en
  • USD120179S - Design for a dress ensemble : en
  • CA388232A - Brownstone highly active depolarizer : en fr
  • US2198352A - Motor vehicle : en
  • AT158621B - Automatic scissors for cutting off the end of rolling stock. : de en
  • AT158531B - Cylinders with pistons, in particular brake cylinders for hydraulic brakes in motor vehicles. : de en
  • AT158626B - Drip board for sink or the like. : de en
  • US2198501A - Method of and apparatus for notching strip material : en
  • US2197999A - Yarn conditioning process : en
  • US2198370A - Ejector for slug casting machines : en
  • US2198457A - Manifolding assembly : en
  • GB520500A - Improvements in or relating to electrical signalling systems : en
  • AU110372B2 - Improvement in process and apparatus for coating supports : en
  • CA388263A - Electric wave amplifying system : en fr
  • US2197942A - Piston or plunger for engines, pumps, and the like : en
  • US2198027A - Brake ventilation control means : en
  • US2198218A - Wheat germ preparation : en
  • DE690327C - Relay with mercury switching tube : de en
  • DK57512C - Contact row and associated Contact lamella for electrical connection systems. : da en
  • CA388236A - Mine skip bucket : en fr
  • CA388209A - Oxford shoe : en fr
  • AT158632B - Process for changing the affinity of structures made of or with protein substances and their derivatives or other high molecular weight substances containing basic amino or imino groups for dyes. : de en
  • US2197941A - Flashlight switch : en
  • USD120169S - Design for a dress ensemble : en
  • AT158644B - Process for the preparation of formaldehyde. : de en
  • AT158628B - Process for drawing in and closing the ends of thin-walled hollow bodies with the same wall thickness everywhere by forging. : de en
  • CA388245A - Multi-contact plug : en fr
  • AT158503B - Process for the production of evenly fine-grained, non-post-curing phosphate fertilizers. : de en
  • AT158638B - Process for the preparation of dyes of the antraquinone series. : de en
  • US2197958A - Dispensing device : en
  • AT158504B - Masonry and building blocks for its manufacture. : de en
  • AT158634B - Process for the production of real dyeings or prints on structures made of organic high polymers. : de en
  • US2198161A - Lock for double-hung windows : en
  • US2198076A - Motor vehicle control : en
  • US2198353A - Motor vehicle : en
  • AT158544B - Electrical contact materials for switch contacts and electrodes for the spot welding process. : de en
  • AT158553B - Process for the production of reinforced concrete hollow poles. : de en
  • US2198049A - Press : en
  • GB520341A - Improvements in or relating to percussive drills : en
  • GB520435A - Improvements in and relating to electric wiring arrangements for garage and workshopinspection lamps : en
  • CA388268A - Filament, fibre and yarn manufacture : en fr
  • AU110360B2 - Method of and apparatus for coating sheet materials : en
  • DE690344C - Circuit arrangement for the single step control of motors by current surges, in particular of motors for the individual drive of dialers in telecommunication systems : de en
  • US2197876A - Hair waving machine : en
  • AT158617B - Thread cutting stock with adjustable tangential cutting jaws. : de en
  • US2197891A - Razor blade sharpener : en
  • US2198472A - Oscillator mechanism : en
  • US2197959A - Rotary prime mover, pump, compressor, and the like : en
  • US2198166A - Arylo-pyrrolinethione compounds and process of producing : en
  • AU191039A - Improved sun-blind : en
  • AT158552B - Gable-roof-like ceiling or wall with a stitch, consisting of tongue and groove stones, clamped between girders. : de en
  • US2198029A - Wheel slip control means : en
  • AT158614B - Electric soldering device. : de en
  • FR854675A - Improvements to spark plugs for internal combustion engines : en fr
  • FR854689A - Manufacturing process of selenium rectifiers : en fr
  • GB520342A - Improvements in the manufacture of artificial plastic materials : en
  • USD120157S - Design fob a sound translating device : en
  • CA388230A - Refrigeration unit : en fr
  • AU152637B2 - Moving stairway : en
  • US2198106A - Pan set guide means : en
  • US2198400A - Precious metal alloy : en
  • US2198286A - Apparatus for fishing through the ice : en
  • CA388164A - Indexing device : en fr
  • CA388181A - Logging rig : en fr
  • CA388235A - Sewing machine : en fr
  • AT158640B - Process for dyeing leather. : de en
  • CA388217A - Packing box : en fr
  • CA388221A - Rubber age resister : en fr
  • US2198077A - Illuminating fixture : en
  • CA388264A - Mechanical drive arrangement : en fr
  • DE690405C - Arrangement for achieving changes in direction of an antenna directional diagram : de en
  • GB520392A - Manufacture of substances which affect the blood pressure from urine : en
  • US2197785A - Railway truck structure : en
  • US2197884A - Engraving machine : en
  • US2198179A - Conveyer : en
  • AT158607B - Arrangement for (medical) treatment in the field of short-wave or ultra-short-wave electrical oscillations. : de en
  • AU110371B2 - Improvements in or relating tothe securing of tubular members in apertures orthe like : en
  • CA388258A - Battery charging system : en fr
  • AT158518B - Circuit arrangement for telephone systems with dialer operation and several exchanges. : de en
  • US2198371A - Power factor indicator : en
  • AT158596B - Electrical cable with a protective sheath over the cable core. : de en
  • USD120146S - Design for a drinking glass : en
  • US2198575A - Manufacture of lubricating oil : en
  • US2198142A - Extraction of gasoline from natural gas : en
  • AT158600B - Device for fastening electrical apparatus, in particular fuses, to metal supports, in particular in switch boxes. : de en
  • DE690349C - Selective protection device for electrical systems : de en
  • US2198504A - Spring lock for electrical contact plugs : en
  • US2198559A - Mechanism for fashioning knitted fabrics : en
  • US2198524A - Device for delivering measured quantities of liquids : en
  • CA388212A - Chromite ore processing : en fr
  • FR854804A - Improvements to torsional vibration damping devices in a transmission device : en fr
  • USD120126S - Design for a handbag : en
  • USD120191S - Design for a tablecloth or similar article : en
  • GB520536A - Improvements in or relating to sparking plugs : en
  • GB520365A - Process for plating metals : en
  • GB520469A - Improvements in the attachment of rear reflectors to cycle mudguards : en
  • US2197761A - Sheet metal structure : en
  • US2198288A - Drill guide : en
  • GB520394A - Manufacture of nitrogenous condensation products and a process of improving textiles : en
  • GB520399A - Improvements in or relating to trenches or the like : en
  • DE690450C - Drive device for cleaning drum, in particular for cleaning castings : de en
  • CA388185A - Draft gear housing : en fr
  • AU232739A - Improvements relating to calculating machines : en
  • US2198046A - Process of producing esters and ethers : en
  • AT158569B - Stepless change gear. : de en
  • AT158647B - Process for the preparation of 2-alkyl- or 2-phenylalkyl-4-amino-5-aminoalkylpyrimidines. : de en
  • FR854919A - Telegraph signal transmission systems : en fr
  • US2198165A - Preparation containing calcium compounds : en
  • FR854779A - Shut-off valve actuated by the liquid dispensing pipe : en fr
  • GB520466A - Method for the manufacture of sterilised catgut : en
  • GB520483A - Improvements in or relating to washing machines : en
  • US2198536A - Rope tramway : en
  • US2197882A - Cuff link : en
  • US2198221A - Liquor preparation : en
  • US2197992A - Dressing table for infant's bath stand : en
  • GB520440A - Improvements in tool holders for boring, turning and the like : en
  • DE690396C - towers : de en
  • FR854843A - Temporary sealing process for water inflows in a well : en fr
  • US2197772A - Pressure accumulator apparatus : en
  • US2198110A - Key case : en
  • US2198153A - Hydrogenation of maleic anhydride : en
  • AT158630B - Process for the production of multi-layer stiffened laundry items. : de en
  • US2197898A - Automatic gyroscopic control apparatus for vehicles : en
  • USD120199S - Design for a textile fabric : en
  • CA388225A - High frequency oscillator : en fr
  • US2197969A - Stove : en
  • USD120115S - Design for a handwheel : en
  • FR854863A - Improvements to injectors or injection devices for internal combustion engines : en fr
  • US2197814A - Variable pitch airplane propeller : en
  • US2197783A - Side bearing : en
  • US2197854A - Intake and exhaust control system for mine locomotives : en
  • US2198119A - Container : en
  • FR854890A - Aerial torpedo : en fr
  • DE690378C - Arrangement for the gradual screening of a radiation-sensitive material : de en
  • DE690536C - r Transmission setup of subscriber stations in teletype networks by the subscriber : de en
  • US2198064A - Sleeved lining for overcoats : en
  • US2198421A - Holder for rolls of sheet material : en
  • US2198512A - Ring book mechanism : en
  • FR854876A - Packing box : en fr
  • GB520359A - Improvements in or relating to gearing for steering mechanically propelled vehicles and for other purposes : en
  • GB520393A - Manufacture of carbonyl compounds of the cyclopentanopolyhydrophenanthrene series : en
  • GB520526A - Power plant, in particular for the mechanical propulsion of immersed machines, and machines embodying said power plant : en
  • US2198200A - Stabilizing food compositions : en
  • US2198356A - Reference stand : en
  • US2198098A - High pressure gas process : en
  • US2198043A - Fishhook mounting : en
  • US2198206A - Treatment of coffee : en
  • FR854753A - Improvements to fuel injector devices or those relating to injection for internal combustion engines : en fr
  • DE690313C - Stuffing box ring packing with multi-part packing rings inclined to the shaft : de en
  • FR854754A - Safety device for gas alarms : en fr
  • US2197771A - Switching means for transformers : en
  • US2197866A - Starting wick for oilstove burners : en
  • US2198183A - Vertical card index or system : en
  • CA388248A - Envelope patch applying machine : en fr
  • FR854799A - Process for preparing 4-chloro-5-nitro-1-naphthomethyl chloride : en fr
  • DE690492C - Cupboard, box or the like for storing larger documents, drawings, breaks, etc. like : de en
  • FR854758A - Signal receiver for telephony : en fr
  • DE690329C - Device for dust-free removal of grate diarrhea and fly ash from furnaces : de en
  • FR854677A - Crampon for fixing ankles : en fr
  • GB520549A - Improvements in or relating to thermionic amplifiers : en
  • DE690400C - Circuit arrangement for coin operated telephones with equipment in the office : de en
  • US2197795A - Alkaline earth metal gold keratinates and process of making same : en
  • US2197828A - Envelope fastener machine : en
  • DE690555C - Device for applying a uniform coating to a moving web, in particular a paper web : de en
  • FR854841A - Improvement in the manufacture of air filters, in pleated paper : en fr
  • AT158589B - Circuit for telegraph systems. : de en
  • US2197896A - Artificial wool : en
  • US2198034A - Inertia type brake controller : en
  • USD120137S - Design for a mechanical pencil : en
  • US2198242A - Tube tester : en
  • US2198315A - Enamel lined beer barrel : en
  • USD120108S - Design for a pocket pencil or similar article : en
  • CA388200A - Electronic regulator : en fr
  • US2197753A - Multiple grid structure and method of producing the same : en
  • DE690490C - Method and device for producing fibers from glass and similar masses which are plasticized in the heat : de en
  • GB520350A - Improvements relating to tone correction in low frequency thermionic amplifiers : en
  • US2198122A - Valve : en
  • US2197800A - Reaction of aliphatic hydrocarbons with sulphur dioxide and chlorine and products thereof : en
  • GB520465A - Improvements in or relating to mountings for oscillating members, especially for swinging axles for motor propelled vehicles : en
  • FR854914A - Powerline transmission systems : en fr
  • US2197817A - Feeding mechanism for metal sheets : en
  • US2198550A - Teletypewriter tape wiper : en
  • US2198040A - Recorder apparatus : en
  • US2198487A - Automatic valve : en
  • USD120181S - Design for a dress : en
  • AT158559B - Two-layer plow for deep cultivation. : de en
  • CA388223A - Electric governor : en fr
  • DE690350C - Oscillograph : de en
  • US2197824A - Door sealing means : en
  • US2198362A - Metal sheet drying oven : en
  • US2198388A - Process for producing oils free of asphalt : en
  • US2198488A - Electrical apparatus : en
  • US2198517A - Printing telegraph private branch exchange system : en
  • AU165739A - Improvements relating to electrical rectifiers : en
  • USD120202S - Dress ensemble : en
  • CA388218A - Metallurgical furnace : en fr
  • DE690556C - Filler pencil with mine sharpener : de en
  • FR854797A - Method and device for filtering muddy liquids : en fr
  • AT158622B - Elevator flushing device for flushing with different amounts of water. : de en
  • DE690326C - Limit shutdown for DC motors with rectifiers in the motor circuit : de en
  • DE690444C - Electric incandescent lamp with an operating pressure exceeding four atmospheres : de en
  • FR854782A - Bodywork, in particular for motor vehicles : en fr
  • US2197756A - Gauge : en
  • AT158584B - Double-acting two-stroke internal combustion engine. : de en
  • FR854666A - Fluid braking device for railcars and other heavy vehicles on road or railways : en fr
  • IE15933L - Austenitic steels : en
  • AU268439A - Improvements in or relating tothe securing of tubular members in apertures orthe like : en
  • FR854765A - Septic tank : en fr
  • USD120171S - Design for a perfume container : en
  • FR854823A - Improvements made to perfume sprayers, etc. : en fr