• CA416393A - Partial denture : en fr
  • CH229727A - Vacuum vessel with feed-throughs for electrical current. : de en
  • CH229764A - A method of manufacturing vehicle bodywork and bodywork obtained by this method. : en fr
  • US2334382A - Friction clutch : en
  • US2334427A - Dew point controller and dew point system : en
  • USD136540S - Design for an airplane engine : en
  • USRE22392E - Apparatus for and method of form : en
  • CH229682A - Air conveyor. : de en
  • CH229746A - Process for the preparation of a water-soluble derivative of 4,4'-diaminodiphenyl sulfone. : de en
  • CH229617A - Device on covers for letters and packs for tearing open the covers. : de en
  • US2334365A - Electrical transcribing machine : en
  • FR887665A - Barrel switch : en fr
  • GB557360A - Improvements in and relating to the cooling of internal combustion engines : en
  • DE741727C - Protection circuit based on the comparison of the directions of energy or current at the ends of a line to be protected : de en
  • CA416451A - Nickel-platinum alloy : en fr
  • CH229594A - Process for the preservation of coagulable liquids, such as, for example, milk and blood, and apparatus for the production thereof. : en fr
  • US2334559A - Container filling mechanism : en
  • US2334586A - Wood-preserving apparatus : en
  • CH229757A - Synchronizing device on switching mechanisms for displaying numbers. : de en
  • GB557289A - Manufacture of 2-aminothiazole compounds : en
  • AU117723B2 - Abrasive articles bonded with synthetic rubber : en
  • US2334490A - Derivatives of dihydro-pyridone -and : en
  • US2334609A - Core solder : en
  • US2334686A - Throttle : en
  • US2334227A - Needle bearing : en
  • US2334341A - Process for recovery of tar oils : en
  • AU117736B2 - Heat oxygen' treated polyamides : en
  • DE742022C - Cartridge magazine in which a cartridge pusher loaded by a driving force moves a row of cartridges in circular or spiral guides and the cartridges move in the magazine : de en
  • FR887652A - Airplane training : en fr
  • GB557308A - A new or improved printing machine : en
  • US2334182A - Time fuse : en
  • CH229634A - Shaping material processing machine with optical observation device. : de en
  • CA416507A - Textile material processing : en fr
  • DE741427C - Frequency division method : de en
  • DE741924C - Short wave tubes with brake grille : de en
  • FR887627A - Process for dyeing hard or semi-hard fiber plates : en fr
  • CH229639A - Device for displaying two quantities converted into electrical currents. : de en
  • DE741652C - Binder for core sand : de en
  • DK61574C - Apparatus for the production of mercury amalgam. : da en
  • US2334243A - Process for piston rings : en
  • GB557347A - Improvement in process for making aliphatic dicarbonylic compounds : en
  • CA416429A - Dehydrator for liquid filled equipment : en fr
  • CH229569A - Oven attachment. : de en
  • CH229627A - Lock for recoil chargers with sliding barrel. : de en
  • CH229736A - A combination consisting of a rechargeable battery torch and a matching mains connection charger. : de en
  • DE741921C - Glare-free headlights : de en
  • DK61555C - Apparatus for Purifying a Gas Flow for Carried Solid Particles. : da en
  • GB557342A - Improvements in circuit arrangements for producing alternating or oscillatory current from a direct current supply : en
  • CA416433A - Vinyl resin plastic composition : en fr
  • US2334492A - Decorative illuminating device : en
  • FR887589A - Film drive device : en fr
  • GB557389A - Treatment of paper : en
  • DE741683C - Process for the preparation of primary amines : de en
  • FR887657A - Method and device for producing artificial filaments by the vacuum dry spinning process : en fr
  • GB557327A - Improvements relating to thermostats : en
  • US2334688A - Internal combustion engine and starting means therefor : en
  • GB557402A - Improvements in or relating to timing devices : en
  • CH229625A - Roller skates. : en fr
  • US2334256A - Method of and apparatus for making bags : en
  • US2334246A - Cutting tool : en
  • US2334451A - Manufacture of metallic magnesium : en
  • US2334234A - Starting sequence system for telegraphs : en
  • US2334186A - Organic sulphonamides and their preparation : en
  • DE741974C - Method and device for the production of composite panels : de en
  • US2334169A - Disk brake : en
  • US2334333A - Train dispatcher signal system : en
  • DE741667C - Process for the production of good wettability of thin metal layers produced on a wax basis by cathode atomization or thermal metal vapor deposition : de en
  • DE741731C - Arrangement with a Braunschweig tube with first and second anode, especially for television purposes : de en
  • CA416446A - Flocculation and clarification apparatus : en fr
  • DE741735C - Process for the production of Kuepen dyes of the dibenzpyrenquinone series : de en
  • GB557345A - Improvements relating to moulding plastic materials : en
  • US2334418A - Signal light construction : en
  • US2334307A - Process of manufacturing decorated chinaware and pottery : en
  • US2334433A - Binding machine : en
  • US2334268A - Fastener for eyeleted edges : en
  • USD136538S - Wheeler toy vehicle : en
  • US2334228A - Process of producing an intimate mixture between a mass of loose material and fluid or fluids : en
  • US2334273A - Piston ring : en
  • US2334676A - Rotary operative fastener : en
  • CA416442A - Hectograph blanket : en fr
  • US2334632A - Recovery of nitrogen and oxygen : en
  • US2334406A - Roofing and packing nail : en
  • DE741877C - Arrangement to increase the sensitivity of electrical angle transmission systems : de en
  • DE741787C - Overlay microphone with cardioid directional characteristic : de en
  • FR887574A - Centrifugal force dust separator, especially for internal combustion engines : en fr
  • DE741675C - Mixing device for the production of fuel-oil mixtures : de en
  • FR887540A - Cane maker : en fr
  • FR887585A - Locomotive gas compressor : en fr
  • GB557310A - Improvements in dry galvanic batteries : en
  • US2334261A - Typewriting machine : en
  • US2334509A - Apparatus for molding or lining hollow articles : en
  • US2334357A - Cylinder covering mechanism : en
  • FR887502A - Sweeping head for rock drills and rock drilling machines : en fr
  • GB557348A - Method and apparatus for the continuous heat treatment of rosin : en
  • DE742009C - Suitcase : de en
  • FR887625A - Oxidation products of aldehyde resins and their preparation process : en fr
  • DE741656C - Multi-way tap for controlling a hot water heating system that is heated by a boiler together with a separately operating system : de en
  • DE741798C - Device for measuring the mutual contact pressure of the rollers of machines for processing paints, chocolate, soap, etc. like : de en
  • FR887530A - Process for manufacturing high molecular weight polymeric amides and amide esters : en fr
  • US2334303A - Means for closing and leakage testing of well equipment : en
  • CH229577A - Equipment on wood and charcoal gas generators for the removal, cleaning and cooling of the gas produced. : de en
  • FR887517A - Reproduction of sound recordings in color : en fr
  • GB557325A - Improvements in or relating to hydraulic transmission of motion : en
  • US2334399A - Method for making heat insulating material : en
  • US2334504A - Aircraft structure : en
  • GB557380A - Improvements in or relating to the reproduction of sound and light : en
  • USD136515S - Design for a milk bottle : en
  • US2334633A - Unloading mechanism : en
  • DK61581C - Air ring for vehicle wheels and procedure for its manufacture. : da en
  • US2334301A - Tool-guiding apparatus : en
  • US2334160A - Web splicing device : en
  • US2334245A - Cutting tool : en
  • DE741848C - Process for the production of one-piece trouser support flaps made of leather or the like. : de en
  • DK61582C - Device for Dynamos arranged in Wheel Hub. : da en
  • US2334431A - Calculating machine : en
  • DE741729C - Socket for attaching lights : de en
  • GB557386A - An improved apparatus for electrolytically treating metal : en
  • FR887555A - Process for manufacturing fine crystal superphosphate : en fr
  • DE741737C - Basic materials for paints, impregnating agents or insulating compounds : de en
  • GB557411A - Improvements in and relating to aluminium stearate solutions and process of preparing the same : en
  • US2334262A - Subsurface prospecting : en
  • DK61576C - Process for the preparation of strongly basic polyoxamides. : da en
  • DE741868C - Device against the rolling up of rolled up, provided with a support and rolling rod maps, pictures o. The like. : de en
  • FR887670A - Method and device for examining the anatomical and physical properties of tissues on the living or dead organism : en fr
  • FR887478A - Improvements to clutch discs, brakes or the like : en fr
  • GB557422A - Improvements in or relating to wheel chocks : en
  • DE741878C - Device for enabling and monitoring the subsequent rotation of an axis to a position that corresponds to the position of a remote encoder : de en
  • US2334459A - Grade indicator for trenching machines : en
  • FR887532A - Protective spike for footwear and its manufacturing process : en fr
  • FR887527A - Percussion fuze with safety in front of the muzzle : en fr
  • FR887496A - Manufacturing process for press moldable materials : en fr
  • GB557298A - A transparent protective shield for the eyes and face : en
  • DE741919C - Explosion-proof screw socket for incandescent lamps with interrupted contact within a closed chamber : de en
  • US2334440A - Display device : en
  • USD136658S - Design foe a cologne bottle : en
  • FR887484A - Wind motor : en fr
  • GB557373A - New disazo dyestuff : en
  • GB557354A - Improvements in and relating to electric motor control systems : en
  • GB557382A - Improvements in circular warp and weft looms : en
  • DE741963C - Explosion-proof lamp : de en
  • GB557421A - Improvements to a prepayment telephone apparatus : en
  • GB557434A - Testing apparatus for ascertaining the balance of the blades of air screws : en
  • USD136532S - Design foe a statuette : en
  • AU117731B2 - Improved concrete mixture and process for its preparation : en
  • CH229609A - Process for preparing thymol. : en fr
  • FR887549A - Improvements to so-called backplane electrical windings : en fr
  • USD136671S - Design for a house : en
  • US2334258A - Coating : en
  • US2334379A - Die : en
  • US2334436A - Joint for electrical fixtures : en
  • GB557314A - Improved method for extracting lead : en
  • GB557410A - An improved process for the manufacture of halogenated hydrocarbon compounds : en
  • GB557303A - Improvements in or relating to drain digging machines and mole draining machines : en
  • DE741640C - Carbon brush holder : de en
  • DE741860C - Two-metal release insensitive to shocks : de en
  • US2334570A - Piston ring : en
  • CA416501A - Malonic acid derivative : en fr
  • CH229647A - Watch. : en fr
  • DE741677C - Union clamping lock for crates, boxes, suitcases, etc. like : de en
  • FR887476A - Process for manufacturing artificial leather, in particular for soles and the like : en fr
  • CA416370A - Moulding apparatus : en fr
  • CA416437A - Filled container steaming apparatus : en fr
  • CA416496A - Motion controlling apparatus : en fr
  • FR887661A - Ball clutch for friction plate transmissions : en fr
  • GB557442A - Improvements in and relating to rope : en
  • DE741712C - Air brakes for motor vehicle trailers : de en
  • FR887640A - Industry for artificial textile yarns and its manufacturing process : en fr
  • GB557433A - Improvements connected with mole draining implements : en
  • CH229719A - Load switching arrangement on step control devices of transformers and chokes. : de en
  • CH229783A - Method for controlling copy milling machines. : de en
  • DE740671C - Process for rendering finished textile products water repellent : de en
  • FR887556A - Steel melting furnace with recuperator, in particular with metal recuperator, and method of operating the furnace : en fr
  • FR887669A - Manufacture of molded masses : en fr
  • US2334390A - Water-insoluble oxyalkylated drastically oxidized castor oil and method of making same : en
  • DE741723C - Method for balancing the magnetic coupling in communication lines : de en
  • DE741809C - Control device for compressors to ventilate overpressure chambers in high-altitude aircraft : de en
  • CA416510A - Scraping tool : en fr
  • CH229613A - Ignition stick. : de en
  • CA416478A - Plastic inlaying machine : en fr
  • CH229781A - Device for electro-inductive heating of workpieces. : de en
  • US2334278A - Drilling apparatus : en
  • US2334340A - Hydraulic shock absorber structure : en
  • US2334452A - Door opener : en
  • CH229584A - Method for fixing a metal closure member on a bottle or the like. : en fr
  • CH229598A - Centrifugal dust separator. : de en
  • CA416410A - Air conditioning apparatus : en fr
  • CH229653A - Process for casting light metals and light metal alloys with sand casting molds. : de en
  • DE741709C - Stuffing box seal with metallic chamber ring packings : de en
  • DE741854C - Circuit arrangements for devices for alternating current telegraphy : de en
  • CA416458A - Ceramic composition and article : en fr
  • DE741951C - Drive of the tong puller on a rope pulling bench : de en
  • DE741965C - Socket for electron tubes with pressed glass base : de en
  • DK61554C - Blank folder with slanted Blanket underlay. : da en
  • DE741980C - Arrangement for pressure measurement : de en
  • DE741734C - Exchangeable metallic tray for the heating coil in electrically heated ovens : de en
  • CA416435A - Registration control apparatus : en fr
  • FR887468A - Piston shut-off valve : en fr
  • DK61551C - Tool for Deep Drilling. : da en
  • DK61562C - Coupling to Frequency Doubling of High Frequency Oscillations. : da en
  • DE741631C - Lifting device for heavy internal combustion rams : de en
  • DE742021C - Half mask for high altitude flyers : de en
  • US2334568A - Apparatus for starting and controlling electrical discharge devices : en
  • FR887552A - Pump pen holder : en fr
  • GB557379A - Improvements in automatic pulsator for milking machines : en
  • AU117711B2 - Improvements in automatic phonographs : en
  • USD136513S - Design for a sandal or similar article : en
  • US2334199A - Process of treating textile : en
  • US2334242A - Hydraulic weighing scale with temperature compensating means : en
  • US2334643A - Oental articulator and method for orienting casts thereon : en
  • US2334231A - Machine tool : en
  • DE741726C - Arrangement for regulating to constant power in electrical supply circuits : de en
  • FR887586A - Temperature control installation : en fr
  • FR887606A - Process for extracting the acetone preparation from ammonium acetate : en fr
  • US2334435A - Folding frame structure : en
  • US2334371A - Garment hanger : en
  • US2334181A - Valve for road sanding machines : en
  • AU1193343A - Tractor drawn plough : en
  • DE727017C - Device for determining the long-term impact resistance of suddenly stressed parts, in particular gun parts : de en
  • US2334318A - Piston : en
  • US2334189A - Relay system and associated circuits therefor : en
  • US2334512A - Repair last : en
  • FR887642A - Mobile electrical conduit for the supply of current to devices that consume it and that can be transported : en fr
  • FR887666A - Device for controlling the symmetry of the partial voltages during the reproduction of sound recording in push-pull : en fr
  • US2334229A - Preparation of fluorophenols : en
  • FR887682A - Centrifugal device for the separation of foreign bodies contained in gases : en fr
  • FR887547A - Contactor device, magnetically actuated for periodic switching : en fr
  • DE741744C - Magnetic conductor : de en
  • DE741928C - Burner arrangement for gas-heated devices : de en
  • FR887624A - Hot gas engine : en fr
  • DE741993C - Gas collection container : de en
  • US2334657A - Engine starting mechanism : en
  • US2334476A - Unsaturated isocyanate : en
  • US2334604A - Glassworking apparatus : en
  • DE741826C - Furnace for the conversion of carbon monoxide with hydrogen to hydrocarbons : de en
  • DE741961C - Explosion-proof incandescent lamp socket with contact on a contact rail in a closed pressure-proof space on the back of the socket base : de en
  • GB557331A - Stapling machine : en
  • FR887553A - Process for improving artificial and natural textiles, such as yarns, fibers, sheets or films and the like : en fr
  • US2334363A - Boring tool : en
  • US2334397A - Electrical discharge device : en
  • DE741992C - Artificial silk fur : de en
  • GB557376A - Improvements relating to joints in hypodermic syringes or like medical syringes : en
  • GB557403A - Improvements in or relating to wooden propellor blades for aircraft : en
  • DE741816C - Security bar against valve theft on bicycles : de en
  • FR887560A - Process for manufacturing a fruit product, which keeps well and has a smooth consistency : en fr
  • DK61578C - Drawbar for Tillage Tools. : da en
  • DE741694C - Bolt slot clamp for electrical lines : de en
  • DE741774C - Construction drying oven : de en
  • GB557387A - Improvements in or relating to fourdrinier paper-making machines : en
  • DE741885C - Sensor for metal presses, especially for extrusion presses : de en
  • US2334600A - Capsule : en
  • US2334320A - Hub and plate assembly : en
  • CA416509A - Colour effect production on textiles : en fr
  • US2334196A - Track shoe : en
  • US2334283A - Decollating machine : en
  • USD136668S - Tool for removing slate and asbestos shingles : en
  • USD136518S - Design fob a fluorescent light fixture : en
  • GB557427A - Improvements relating to machinery driving belts : en
  • FR887455A - Electric boiler : en fr
  • FR887692A - Tunable radio-electric device : en fr
  • GB557295A - Improvements in or relating to refrigerator cabinets : en
  • US2334410A - Translucent bottom handbag : en
  • US2334651A - Apparatus for washing sheet glass : en
  • DE741758C - Process for keeping the water content and the weight per unit area equal in webs made of fiber suspensions : de en
  • DE741788C - Circuit arrangement for phase and damping equalization of electrical transmission systems : de en
  • DE741559C - Electric adding machine : de en
  • DE742020C - Automatic multiple pipe switch for compressed gas cylinder batteries : de en
  • FR887613A - Cinematographic film magazine, especially for small format film cameras : en fr
  • DE741889C - Procedure for carrying out the suction with interrupted chamber furnaces : de en
  • FR887615A - Liquid product to seal, to all types of pressure, all metal parts: ferrous, copper, light, etc. : en fr
  • US2334206A - Elastic garment and method of producing same : en
  • FR887675A - Propulsion of maritime vehicles : en fr
  • DE741954C - Insertion device for typewriters and similar machines : de en
  • FR887700A - Montage for creating a frequency modulated oscillation : en fr
  • DE741755C - Method and device for welding webs of thermoformable plastic : de en
  • US2334306A - Cracking hydrocarbon oils : en
  • US2334361A - Heating unit : en
  • CA416481A - Door lock : en fr
  • US2334214A - Carding device for artificial teeth : en
  • DE741925C - Resistance welding machine with a pressure-dependent organ that is influenced by the electrode pressure and determines the start and end of the current flow through the welding point : de en
  • FR887566A - Apparatus for the production of superheated steam : en fr
  • US2334602A - Coil winding machine : en
  • US2334277A - Heat- and storage-stable chlorinated olefinic polymer and process : en
  • US2334530A - Protective means for transmitters : en
  • FR887616A - Triple action braking device, in particular for trains of motor vehicles : en fr
  • US2334462A - Buckle : en
  • US2334405A - Method of making deep-etched lithographic plates : en
  • US2334629A - Hydrodynamic brake : en
  • FR887654A - Method of establishing an underlayment for coatings of bitumen, pitch or the like : en fr
  • CH229737A - Lighting system with lights fed directly from the lighting network, connected in series and equipped with incandescent lamps. : de en
  • US2334605A - Material gathering and loading machine : en
  • US2334518A - Rotary clothesline : en
  • DE741791C - Hydrogen-cooled electrical machine with a liquid seal : de en
  • FR887573A - Process for the preparation of caramel by heating masses of sugar containing water and an alkaline substance : en fr
  • FR887474A - Improvements to liquid fuel burners : en fr
  • FR887630A - Solid disc wheel for vehicles running on rails, for example carts or wagons in mine galleries : en fr
  • DE741913C - Power supply to the rotor of an underwater turbo generator : de en
  • DE741702C - Mold for air-cooled rib cylinders : de en
  • GB557416A - Improvements in or relating to waist-bands for trousers, skirts and other garments : en
  • FR887579A - Automatic constant pressure flow stabilizer : en fr
  • FR887600A - Method and device for eliminating the disturbance (strabic deviation) involved in the transmission and reception of wave energy : en fr
  • DE741876C - Control device for stepless control of a direct current as a function of a measured or control value : de en
  • CH229690A - Fuel control device on injection internal combustion engines. : de en
  • FR887668A - Disc brake : en fr
  • DE741990C - Arrangement of an electric hub alternator : de en
  • DE741829C - Objects resistant to hydrochloric acid, sulfuric acid or chlorine derivatives : de en
  • US2334387A - Child s ztrailer : en
  • CA416443A - Sheet trimming and handling apparatus : en fr
  • FR887612A - Drum-shaped rotor for centrifugal pumps for liquids or gases : en fr
  • AU598942A - Inductance apparatus : en
  • USD136523S - Design for a handbag : en
  • GB557405A - Improved mandril : en
  • FR887693A - Process for preparing alkali alcoholates : en fr
  • GB557339A - Improvements in and relating to the production or separation of dicyclopentadiene : en
  • DK61565C - Adjustable LED for electric luminaires. : da en
  • GB557356A - Improvements in or relating to electric dry cells : en
  • GB557357A - Improvements in and relating to electric control systems : en
  • DE741643C - Dimming device for headlights and signals : de en
  • FR887481A - Support plate or frame for an electrical device in which high-frequency currents flow : en fr
  • DE741825C - Process for the production of magnesium oxide and sulfur dioxide by reducing magnesium sulfate : de en
  • DK61563C - Device by a conaxial High Frequency Energy Guide for Combining it and a balanced High Frequency Energy Guide. : da en
  • DE741705C - Filling board with face veneers on both sides and a middle layer made of synthetic wood : de en
  • FR887649A - Telephone coupling device for information service on one-sided band : en fr
  • US2334465A - Numerical accumulator : en
  • DE741657C - Control valve, especially for central heating : de en
  • FR887536A - Process for manufacturing a cellulose hydrate fiber suitable for use : en fr
  • FR887572A - Sophisticated container, more specifically intended for beauty products and pharmaceuticals : en fr
  • CH229608A - Process for the production of a basic condensation product. : de en
  • CH229597A - Peeling machine, in particular for cereal grains. : de en
  • DE741847C - Process for the automatic control of the weight of the heavy fluid in the circuit in the sink and float treatment of grainy material : de en
  • AU117704B2 - Improvements insanitary napkins : en
  • US2334235A - Adapter for rotary cloth cutting machine blades : en
  • CA416399A - Concentrated photographic syrup : en fr
  • CH229606A - Process for the preparation of a reactive ester of an oxyalkylamidine. : de en
  • FR887679A - Injection pump, especially for internal combustion engines : en fr
  • FR887525A - Multiple continuous motor control for shaping machines rotating within variable speed limits : en fr
  • FR887689A - Reservoir brush with humidification device : en fr
  • US2334481A - Teat cup unit : en
  • CA416448A - Pipe joint : en fr
  • DE742015C - Method and device for the determination of oxygen in gases containing hydrogen : de en
  • US2334352A - Fastener : en
  • CH229651A - Product assembled partly from a material containing at least 50% zinc and partly from an alloy containing at least 50% copper. : de en
  • CA416461A - Stapling machine : en fr
  • DE742032C - Switching arrangement for regulating the gain : de en
  • DE741665C - V-belt connection : de en
  • DE741967C - Clamping device for an electric butt welding machine for clamping thin-walled pipes : de en
  • AU652242A - Improvements in or relating tothe manufacture of sponge rubber from aqueous dispersions of rubber : en
  • DE741792C - Closed electrical machine with circulation cooling : de en
  • CA416425A - Multispeed reversing coupling : en fr
  • CA416452A - Tire building apparatus : en fr
  • FR887459A - Boat propulsion device : en fr
  • CA416484A - Well drilling fluid : en fr
  • US2334526A - Abrasive article and method of making same : en
  • CA416502A - Porous coated board manufacture : en fr
  • CH229732A - Arrangement for grid control of mercury vapor valves. : de en
  • US2334378A - Hydrocarbon treatment : en
  • DE741976C - Process for the production of lead bronze bearings : de en
  • CH229573A - Method for manufacturing a component and component manufactured according to the method. : de en
  • CA416371A - Aircraft pilotage control device : en fr
  • US2334290A - Toy : en
  • DE741634C - Grid electrode for electrical collectors : de en
  • DE741947C - Reinforcement cage for site posts : de en
  • CH229695A - Tubular heat exchanger. : de en
  • CH229704A - Plug device for electrical currents of all types and outputs. : de en
  • CA416406A - Projector shutter : en fr
  • US2334454A - Black-out shade : en
  • DE741688C - Process for the preparation of 2, 5, 7, 8-tetramethyl-2- (4 ', 8', 12'-trimethyl-tridecyl) -6-aminochroman : de en
  • FR887508A - Wind motor : en fr
  • US2334308A - Package loading apparatus : en
  • US2334581A - Cross-feed for grinding machines : en
  • USD136528S - Design for a novelty pin : en
  • CH229676A - Device for automatic adjustment of the play between two parts. : en fr
  • CA416422A - Hydrogen absorber : en fr
  • CA416475A - Brush manufacture : en fr
  • CH229797A - Wheel. : de en
  • US2334198A - Bottle carrying box : en
  • US2334316A - Electric burglar alarm : en
  • US2334467A - Coding apparatus : en
  • US2334516A - Cathode-ray tube : en
  • US2334674A - Method and apparatus for feeding webs in folders for printing machines : en
  • US2334477A - Pencil holder and sharpening device : en
  • CH229770A - As a trailer on bicycles and a device that can be used on its own for conveying and carrying loads. : de en
  • USD136655S - Draftsman s welding symbol template : en
  • DE741749C - Machine controlled by punch cards : de en
  • DK61577C - Process for the Preparation of High Molecular Polymeric Amides and Esteramides. : da en
  • USD136657S - Design for a holder for narrow fabrics : en
  • US2334485A - Apparatus for combining materials : en
  • AU734742A - Abrasive articles bonded with synthetic rubber : en
  • DE741786C - Television scanning arrangement in which the light beam scanning the image is also used to generate synchronizing characters : de en
  • CA416418A - Two-way radio transmission : en fr
  • CA416487A - Oil recovery from oil sands : en fr
  • CH229578A - Filling compound for use between the stove and the stove jacket in gas generators. : de en
  • CH229769A - Direction indicators for bicycles and motorcycles. : de en
  • FR887506A - Low-cut shoe with an improved rigid sole : en fr
  • FR887479A - Process for improving fibrous materials : en fr
  • DE740663C - Device for separating the mixtures resulting from the digestion of bast : de en
  • FR887674A - Remote measuring device using the pulse phase method : en fr
  • FR887681A - Process for the preparation of p-aminobenzenesulfonylguanidine : en fr
  • FR887672A - Process for the improvement of flours, doughs obtained from these flours, as well as products resulting from their cooking : en fr
  • FR887516A - Ready-to-install sealant : en fr
  • US2334205A - Selective switching : en
  • US2334638A - Bottle carrier : en
  • DE741811C - Self-locking bevel gear for motor vehicles : de en
  • CH229633A - Entrenchment device. : de en
  • DE741955C - Arrangement for generating electrical oscillations of very high frequency : de en
  • FR887570A - Anode for electrolyte capacitor : en fr
  • FR887655A - Chlorination process in the presence of ferric chloride : en fr
  • AU705242A - Improvements in or relating to methods off treating p Phenylene diamines andthe improved products produced thereby : en
  • FR887684A - Motion control device for cinematographic films and the like : en fr
  • FR887676A - Mechanical counting device establishing the approximate centesimal composition of a collection of objects : en fr
  • DK61567C - Electrolyte Capacitor and Procedure for Its Manufacture. : da en
  • DE741660C - Mower cutting unit with knives swinging back and forth : de en
  • DE741646C - Process for coloring condensation or polymerization resins : de en
  • DE741651C - Process for the production of ointments and ointment bases : de en
  • DE741958C - Method for signaling and remote control in power networks by means of inductance change : de en
  • DE741742C - Fiber dowel : de en
  • DK61559C - Wheel keys for generating contact impulses. : da en
  • CA416385A - Boiler : en fr
  • CH229744A - Process for the preparation of a benzene sulfamide derivative. : de en
  • CH229602A - Process for the direct production of a mixture rich in sulphurous gas and sulfur trioxide, from sodium sulphate. : en fr
  • FR887688A - Method and means for increasing the efficiency of spray slurries containing copper : en fr
  • DE741971C - Device for protecting and treating sensitive areas on the foot : de en
  • FR887645A - Piston steam engine with downstream exhaust steam turbine : en fr
  • DE741822C - Process for the manufacture of sealants for cracks and joints : de en
  • FR887451A - Safety device for vehicles using town gas : en fr
  • US2334429A - Orienting apparatus : en
  • US2334531A - Applicator : en
  • US2334671A - Machine for making electrical strain gauges : en
  • FR887626A - Gas inlet device for internal combustion engine mixers : en fr
  • US2334376A - Seeder : en
  • US2334412A - Writing device : en
  • AU117735B2 - Masking or screening devices for lamps : en
  • CH229778A - Process for the preparation of 2-methyl-4-ethoxymethyl-5-cyano-6-oxy-pyridine. : de en
  • GR10185B - ELECTRICAL SYSTEM REGULATING THE MOVEMENT OF THE PUBLIC IN CINEMAS. : el en
  • US2334317A - Method of treating milk : en
  • GB557337A - Improvements in or relating to clutch mechanism : en
  • US2334497A - Favor cake : en
  • DE741670C - Electrolyte for the production of protective coatings on heavy metals and their alloys : de en
  • NL56325C - : en
  • DE741898C - Regenerative braking circuit for AC vehicles with exciter generator and field control : de en
  • CH229691A - Magneto. : de en
  • US2334567A - Apparatus for starting and controlling discharge devices : en
  • ES7909U - Glass bottle that prevents filling by ordinary means. (Machine-translation by Google Translate, not legally binding) : en es
  • FR887607A - Hydraulically controlled variable crank : en fr
  • US2334192A - Preparation of alpha-cyanobutadiene : en
  • DE741655C - Drawer for tables, cupboards or the like. : de en
  • USD136536S - Design for a fence stretcher : en
  • US2334321A - 1, 3, 5-triazinyl-(6)-aminophenylarsenic compound : en
  • US2334615A - Continuous spinning of cellulose solutions in strong mineral acids : en
  • GB557366A - Improvements relating to rotary pumps : en
  • DE741706C - Device for sending or receiving mechanical vibrations : de en
  • FR887696A - Condenser microphone : en fr
  • FR887469A - Light filter : en fr
  • DE741745C - Use of an aluminum alloy in dental technology : de en
  • DE741818C - Process for manufacturing outsoles : de en
  • FR887605A - Electric resistance furnace for melting or heating metals and other materials : en fr
  • US2334208A - Plural power operated mechanism : en
  • US2334506A - Railway traffic controlling apparatus : en
  • DE741773C - Process for the production of ceramic products, particularly those containing mullite, from alumina hydrate : de en
  • FR887583A - Safety device for container valve intended in particular for protective breathing apparatus : en fr
  • DE741982C - Procedure for the identification of light metals and their alloys : de en
  • US2334281A - Pectin jelly composition : en
  • US2334524A - Purifying hydroxy aliphatic acids : en
  • FR887660A - Apparatus for mechanically packaging determined weights of powdery material : en fr
  • DE741730C - Magnetic field tubes : de en
  • CA416382A - Hydraulic pump : en fr
  • US2334213A - Machine for making container parts : en
  • USD136517S - Design fob a hat : en
  • DE741650C - Impact tool for knocking out bone pins : de en
  • US2334269A - Geochemical prospecting method : en
  • US2334163A - Preparation of beta-alanine : en
  • US2334304A - Portable loader : en
  • US2334419A - Switch : en
  • US2334445A - Air-conditioning system : en
  • DE741653C - Pull-through model for the production of ribbed heating elements : de en
  • DE741952C - Handle attachment to brushes or the like with an internally threaded bushing embedded in the bristle wood : de en
  • US2334247A - Detected signal direction finder : en
  • DE741870C - Beating mechanism for butter machine for uninterrupted buttering of cream : de en
  • FR887697A - Frequency modulation : en fr
  • GB557364A - A process for the manufacture of resinous condensation products : en
  • DE741864C - Device for electrical resistance welding of hollow bodies : de en
  • DE741645C - Process for the preparation of polymethine dyes : de en
  • GB557437A - Improvements relating to automatic door-closing means : en
  • GB557438A - Instrument for suturing wounds : en
  • US2334535A - Sipper : en
  • US2334275A - Gas removing device for electric furnaces : en
  • FR887529A - Protective device easily adjustable in all directions, applicable to circular saws to avoid accidents : en fr
  • US2334276A - Tool head : en
  • CA416408A - Lantern slide holder : en fr
  • CA416430A - Time switch mechanism : en fr
  • AU593742A - Improvements in and relating to static voltage regulators : en
  • CH229794A - Capsule microphone. : de en
  • US2334225A - Lever opening container : en
  • US2334637A - Band tightening device : en
  • US2334202A - Method of ornamenting fabric : en
  • US2334374A - Implement support for vehicles : en
  • US2334522A - Tank trailer : en
  • US2334171A - Method of making liquid coffee extracts : en
  • US2334265A - Control for book-sewing machines : en
  • AU662242A - An improved method of and apparatus for making plywood with thermosetting glue : en
  • DE741647C - paint : de en
  • CA416375A - Photographic camera : en fr
  • CH229575A - Electric melting furnace for making glass, water glass, etc. : de en
  • CH229640A - AC measuring bridge. : de en
  • CH229571A - Electric radiator. : de en
  • CH229656A - Process for the electrical welding of steel wires for steel tone machines. : de en
  • DE741752C - United suction and pressure valve : de en
  • US2334255A - Neutralizer composition : en
  • US2334411A - Driving aid for motorists : en
  • DE741810C - Steering device for multi-axle log trailers : de en
  • FR887539A - safety pins : en fr
  • FR887611A - Light control device in printing or projection of color films : en fr
  • CA416464A - Line justifying device : en fr
  • BE452643A - Process for catalytically preparing dinitriles : en fr
  • DE741676C - Measuring plug for liquor or similar bottles : de en
  • DE741796C - Boot puller in the shape of a bow : de en
  • GB557374A - Improvements in or relating to supporting internal combustion engines to facilitate adjustment and repair : en
  • US2334398A - Water heater : en
  • US2334510A - Record reproducing control circuit : en
  • US2334284A - Refrigerating apparatus : en
  • FR887564A - Differential device : en fr
  • DE741996C - Laundry press with a press piston that can be moved by fluid pressure : de en
  • CH229726A - Contact converter. : de en
  • GB557424A - Improvements in and relating to universal joints and couplings : en
  • CA416474A - Variable speed transmission and clutch : en fr
  • CH229621A - Galileo viewfinder on a photographic recording device, in which a mark is reflected in the viewfinder image field by optical means. : de en
  • CA416372A - Ship protecting apparatus : en fr
  • CA416377A - Tubing coating apparatus : en fr
  • GB557417A - Improvements in or relating to devices or appliances for use in the straining or stretching of skins, hides, pelts, or the like : en
  • US2334569A - Button or the like sewing machine : en
  • USD136530S - Van sloten : en
  • US2334354A - Mercury cathode cell : en
  • US2334442A - Bicycle pedal signal light : en
  • CA416386A - Hoisting apparatus : en fr
  • CA416392A - Hopper front box : en fr
  • CH229792A - Process for the preparation of a derivative of p-aminobenzenesulfonamide. : de en
  • AU685042A - Improvements in or relating to driving bands or chains : en
  • CH229657A - Regulating device for resistance welding devices. : de en
  • DE741906C - Charging system for several batteries with a charging generator : de en
  • US2334166A - Combination valve and choke : en
  • US2334593A - Apparatus for measuring magnetic fields : en
  • DE741881C - Device for greasing tin cans : de en
  • USD136667S - Design for a hook : en
  • GB557320A - Improvements in fluid-actuated remote control systems : en
  • CA416493A - Integrating gradiometer : en fr
  • CA416423A - Motor control connection : en fr
  • FR887494A - Instrument for objectively determining the adaptation of ocular vision to darkness : en fr
  • US2334197A - Bottle carrier and separator therefor : en
  • USD136512S - Cover opening key for waterproof watches or similar articles : en
  • GB557358A - Method and apparatus for measuring the amount of coating material applied to a surface : en
  • USD136664S - White airplane : en
  • CH229774A - Three-axle steering frame of tram vehicles with brake linkage to achieve a constant brake pad pressure. : de en
  • DE741781C - Aniline ink printing unit in which the mutually adjustable inking rollers can be lifted from the forme cylinder and from one another : de en
  • GB557393A - Improvements relating to filters : en
  • FR887623A - Process for obtaining high value carbon black : en fr
  • US2334314A - Fuel burner : en
  • US2334472A - Toy horse and dog : en
  • NL97958A - Coated electrode for electric arc welding : en nl
  • US2334486A - Toy : en
  • FR887523A - Gas power plant and gas supply process : en fr
  • FR887580A - Induction furnace : en fr
  • US2334664A - Filter replacement unit : en
  • GB557431A - Wash-tub or sink and wringing machine equipment : en
  • US2334663A - Seal for rotary kilns : en
  • USD136519S - Design fob a bake head : en
  • DE741949C - Shell iron connection designed as a joint for the pit lining : de en
  • FR887578A - Synchronous trip unit for load inverters of step regulators, in particular for adjustable transformers and the like : en fr
  • US2334324A - Portable autographic register : en
  • US2334606A - Centering cone : en
  • DE741883C - Process for the preparation of cement raw materials with regulation of the mixture composition by electrostatic separation of certain mixture components : de en
  • US2334339A - Electric switch system : en
  • NL55568C - : en
  • USD136683S - Design for a question and answer booklet : en
  • CH229650A - Injection mold. : de en
  • DK61569C - Method for manufacturing a tubular cathode body of metal and an indirectly heated cathode for electric discharge tubes with such a body. : da en
  • GB557307A - Improvements in and relating to thermal cutting devices : en
  • FR887647A - Spindle or grinding wheel shaft : en fr
  • FR887667A - High frequency installation line : en fr
  • GB557335A - Annular boring tool : en
  • GB557395A - Improvements in gas fired vertical shaft kilns : en
  • GB557397A - Improvements relating to apparatus for treating liquids with solids in suspension : en
  • US2334358A - Artificial cellulosic filament delustered with titanium salt : en
  • DE741777C - Pliers for bending open and removing wire staples : de en
  • FR887524A - Method and device for obtaining metallizations according to a pattern, in particular on tapes, films or the like : en fr
  • FR887609A - Protection device for the tilting mechanism of the cast iron or slag pockets : en fr
  • GB557401A - Improvements in or relating to milling machines : en
  • DE741715C - Device for eliminating ice formation in dry gas containers : de en
  • GB557430A - Improvements in spring upholstered furniture : en
  • US2334319A - Ceramic denture material and denture or denture part : en
  • FR887608A - Process for making fresh long-life bread : en fr
  • DE742023C - Method of delaying the setting of plaster of paris : de en
  • FR887535A - Device for rotating the rotors of turbo-machines in order to prevent them from heating up or cooling down on one side : en fr
  • DE741768C - Process for the production of rayon crepe thread : de en
  • US2334177A - Continuous strip pickling : en
  • US2334631A - Base structure for electrical devices : en
  • US2334474A - Shoe tip protector : en
  • DE741960C - Arrangement for displaying or counting the surge currents flowing in a line, in particular the discharge of a surge arrester : de en
  • CH229642A - Sound transmission device, consisting of at least one horn loudspeaker with several exponential horns of different radiation power. : de en
  • FR887543A - Variable pitch propellers, rotating in reverse direction : en fr
  • US2334220A - Fuel system : en
  • US2334274A - Gasoline-insoluble grease : en
  • CA416374A - Toilet kit : en fr
  • CH229772A - Self-propelled traction vehicle. : en fr
  • CH229714A - Remote timer switch with drive motor. : de en
  • GB557407A - Timing apparatus for use in centrifugal separators and the like : en
  • US2334270A - Plywood binder : en
  • FR887507A - Process for making mass-produced articles, shaped and provided with at least one hole : en fr
  • GB557414A - Process of removing acidic constituents from fluids : en
  • DE741817C - Process for manufacturing outsoles : de en
  • FR887621A - Switching device for alternating current : en fr
  • US2334383A - Hydraulic control : en
  • US2334572A - Manufacture of abrasive materials : en
  • DE741823C - Soap-free detergents : de en
  • CH229759A - Illuminated circuit diagram, produced using interchangeable units. : de en
  • US2334184A - Laminated expansion joint : en
  • DE741703C - Mold for air-cooled rib cylinders : de en
  • US2334423A - Ink transfer ribbon : en
  • US2334254A - Dry-shaving apparatus : en
  • CH229636A - Device for dosing gaseous, light and viscous and powdery substances. : de en
  • US2334394A - Transmission : en
  • CH229564A - Impeller bearings, in particular for agricultural machines and implements. : de en
  • DE741838C - Arrangement of a unit with oscillating contact tongues for converting direct or alternating current, in which damping means are provided to avoid disturbing noise emission : de en
  • CA416455A - Grinding machine table stop and mechanism : en fr
  • DE741783C - Preparations for promoting plant growth : de en
  • US2334621A - Method of treating sulphite waste liquors : en
  • DE741751C - Stuffing boxless pressure medium transfer from a fixed to a rotating part : de en
  • CA416479A - Thermionic valve cathode sleeve : en fr
  • US2334176A - Film file : en
  • US2334325A - Continuous spinning : en
  • USD136682S - Design for a dress : en
  • US2334250A - Metal cutting or notching machine : en
  • US2334349A - Oil seal construction : en
  • US2334174A - Transfer mechanism for cigar machines : en
  • CH229603A - Process for the production of lithium sulfate. : de en
  • CH229762A - Pack, especially for frozen food. : de en
  • DE742029C - Rod connection, especially for blast furnace coating systems to raise and lower the bell jar : de en
  • DE741577C - Carding device for loosening fiber material : de en
  • DE741663C - V-belt connecting plate with engagement means : de en
  • GB557412A - Improvements in or relating to time fuzes for aerial bombs, flares and the like : en
  • DE741858C - Device for influencing the size of electrical currents : de en
  • CH229728A - Process for improving the electrical quality of solid iron cores. : de en
  • CA416508A - Textile material colouring method : en fr
  • CA416459A - Fish oil processing and product : en fr
  • CH229771A - Elastic handlebar for cycle. : en fr
  • US2334665A - Method and control system for treating and canning rice : en
  • CH229595A - Method for treating cheese during maturation storage and device for carrying out the method. : de en
  • CH229694A - Container for cooling food with a cooling medium. : de en
  • CA416403A - Power system : en fr
  • US2334493A - Combination couch and bed structure : en
  • CH229631A - Self-loading firearm with safety device. : de en
  • US2334562A - Electric contact element : en
  • FR887500A - Process and installation for gas conditioning : en fr
  • US2334217A - Separating materials, segregating materials, and contacting materials : en
  • US2334443A - Tire pressure indicator : en
  • US2334456A - Method of producing fan hubs : en
  • CA416444A - Sheet trimming device : en fr
  • CH229654A - Process for dip soldering of aluminum and aluminum alloys. : de en
  • US2334662A - Upholstery pin : en
  • US2334336A - Loading beam : en
  • US2334447A - Thermostatic control system : en
  • US2334471A - Photoelectric tube : en
  • US2334616A - Power feed compound slide rest for lathes : en
  • US2334233A - Method of treating and shaping plastic material : en
  • USD136663S - Design for an electron discharge device : en
  • DE741957C - Electric circuit breaker for high voltage direct current : de en
  • FR887569A - Process for making bread and other pastries in molds : en fr
  • CH229687A - Two-stroke internal combustion engine. : en fr
  • CH229798A - Rail connectors for electric railways. : de en
  • FR887489A - Process for preparing silver halide emulsions : en fr
  • BE452910A - : en fr
  • US2334168A - Brake arrangement : en
  • GB557349A - Improvements in or relating to the treatment of rosin : en
  • DE742017C - Resin Plane : de en
  • CH229574A - Process for the manufacture of glass objects, tempered by immersion in a liquid. : en it
  • FR887541A - Fuel supply system for internal combustion injection engines : en fr
  • DE741875C - Rotation protection of the discs of disc brakes for running wheels made from pressed sheet metal parts : de en
  • US2334502A - Sound-absorbing structure : en
  • US2334587A - Starting and ballasting apparatus for electric discharge devices : en
  • US2334623A - Eatch bolt and striker device : en
  • FR887638A - Bi-metal composed of layers with different coefficients of thermal expansion : en fr
  • DE741873C - Process for the production of feed from rapeseed, from their press cake or from their extraction meal with removal of the mustard : de en
  • DE741867C - In the vertical direction subdivided mold for the production of clad plates, especially from light metal alloys : de en
  • CH229659A - Method and device for tempering and testing the weld seam on longitudinally welded pipes. : de en
  • DE741927C - Switching arrangement for resistance welding machines to compensate for fluctuations in the supply network : de en
  • FR887671A - Device for grinding, dissolving and homogenizing semiliquid and pasty masses : en fr
  • GB557385A - Improvements in or relating to navigational control devices comprising a directive radio antenna : en
  • USD136666S - Design for a tile : en
  • CH229784A - Method for controlling copy milling machines. : de en
  • FR887545A - Ammonia combustion gas absorption process : en fr
  • DE741464C - Process for the preparation of o-oxyazo dyes : de en
  • DE741681C - Process for the production of hydrogen-rich gas mixtures by partial combustion of methane with oxygen : de en
  • DE741790C - Radio receiver that can be tuned to a number of stations determined in advance : de en
  • FR887698A - Vacuum relay : en fr
  • DE741700C - Process for the catalytic cleavage of carbonaceous substances : de en
  • FR887643A - Compressed air heater for air hammers and other compressed air powered machine tools : en fr
  • DE741832C - Extinguishing chamber switch : de en
  • DE741866C - Process for the production of dyes : de en
  • FR887598A - Very high voltage and very high power transformer for rail transport : en fr
  • GB557301A - Improvements in and relating to electric lamp sockets : en
  • US2334539A - Decoy airplane : en
  • US2334305A - Spring structure : en
  • FR887567A - Improvements to vibration dampers : en fr
  • US2334675A - Loom shuttle : en
  • AU673942A - Improvements in or relating to cobalt alloys and method of production : en
  • DE741720C - Multi-layer hollow bodies with one or more layers of helically wound wire : de en
  • GB557312A - Improvements in axial type compressors : en
  • US2334547A - Synchronized sound and picture sequence projector : en
  • GB557365A - Improvements in or relating to washing machine and wringer cabinets : en
  • FR887504A - Rotary tester with centrifugal force drive intended more particularly for checking detonators for rifled weapon projectiles : en fr
  • GB557340A - Improvements in and relating to hydraulic piston valves : en
  • FR887575A - Cooling device by air current or gas current, particularly for combustion engines : en fr
  • DE741684C - Process for the production of pure water-soluble amino acids : de en
  • US2334404A - Apparatus for solving problems : en
  • DE741491C - Process for the preparation of unsulfonated monoazo dyes : de en
  • GB557324A - Improvements in the production of cellulose from ligno-cellulosic material : en
  • GB557329A - Fabric articles of wearing apparel : en
  • GB557334A - Improvements in and relating to automatic synchronizing control systems : en
  • FR887537A - Process for improving hydrated cellulose yarns by treatment with formaldehyde in solution : en fr
  • FR887695A - Wheelhouse dynamometer : en fr
  • US2334200A - Naphthalene derivatives and method of obtaining same : en
  • FR887637A - Method and device for degreasing : en fr
  • GB557408A - Improvements in garments : en
  • DE741527C - Machine for processing an edging tape on the edge surface and on the edge parts of an insole : de en
  • GB557343A - Improvements relating to the supporting of building guttering : en
  • DE741739C - Spinneret for the production of curled artificial threads : de en
  • FR887503A - Improvements to air inlet nozzles for gasifiers : en fr
  • FR887495A - Tube or other steel part with artificial material reinforcement : en fr
  • US2334187A - Vapor generator : en
  • CH229624A - Climbing device on skis. : de en
  • CA416373A - Dowel pin : en fr
  • AU117727B2 - Bimetals : en
  • CH229582A - Distributor of saccharin and other products in pills or powder. : en fr
  • CH229652A - Process for the production of workpieces by metal-ceramic methods. : de en
  • US2334185A - Internal combustion engine : en
  • CA416482A - Door knob fastener : en fr
  • CA416504A - Electric switch : en fr
  • US2334209A - Multiple power operated mechanism : en
  • US2334251A - Book ends : en
  • CA416439A - Container surplus fill draw-off means : en fr
  • DE741662C - Fastening of machine parts on shafts by means of a coupling bush that spreads through a wedge effect : de en
  • DE742038C - Row multiplier : de en
  • US2334681A - Rotary operative closure fastener : en
  • US2334599A - Attachment for sewing machines : en
  • US2334402A - Transmission control : en
  • US2334571A - Circuit protective switch : en
  • US2334495A - Color photography : en
  • FR887614A - Airplane with arrow-shaped wings : en fr
  • DE741718C - Glaettkalender : de en
  • FR887470A - Manufacturing process for 1-oxyphenyl-3-aminobutane derivatives : en fr
  • CH229777A - Process for the preparation of a sulfonamide derivative. : de en
  • US2334483A - Folding stereoscope : en
  • US2334554A - Method of producing blocking layer devices : en
  • DE741629C - Device for exchanging fumes with sheet-like materials : de en
  • DE741679C - Zipper : de en
  • DE741970C - Device for straightening and splinting broken tubular bones : de en
  • DE741769C - Mass for the production of solidification cores : de en
  • US2334685A - Method of making button stays : en
  • DE742016C - Basket-like shredding device, especially for steamed, sour potatoes : de en
  • US2334578A - Method of and apparatus for producing glass beads : en
  • USD136526S - Design for a handbag : en
  • USD136539S - Design for a blind flying hood : en
  • US2334359A - Side cutter bearing : en
  • GB557299A - Improvements in and relating to automatically adjustable cam-operated ignition circuit breaker : en
  • GB557371A - Improvements in or relating to the manufacture of wall-boards slabs or the like : en
  • DE741462C - Process for the preparation of o, o-dioxyazo or o-oxycarboxy dyes : de en
  • FR887490A - Wax : en fr
  • CA416380A - Shedding mechanism : en fr
  • GB557293A - Cable tension controller : en
  • DE741756C - Sack, especially made of paper or the like. : de en
  • US2334282A - Hydraulic coupling : en
  • US2334601A - Bull block stringup mechanism : en
  • US2334416A - Fruit slicing apparatus : en
  • DE741917C - Gas-filled electric light bulb with a double-walled bulb : de en
  • CH229661A - Tap wrench. : de en
  • DE741915C - Rectifiers and inverters for very high voltage : de en
  • DE741941C - Process for fusion welding metal parts : de en
  • GB557381A - Improvements relating to the handling or conveying of potatoes and like starch bearing vegetables : en
  • DE741896C - Starting device for heavy internal combustion rams, especially those working on the diesel principle : de en
  • DE742002C - Tube transmitter : de en
  • US2334656A - Race track : en
  • US2334353A - Knitting machine : en
  • US2334444A - Escapement action for grand pianos : en
  • US2334479A - Telltale device : en
  • FR887622A - Method and device for making and photographic reproduction of plans, drawings, etc. : en fr
  • GB557296A - Improvements in or relating to engine starter gearing : en
  • US2334326A - Weighing scale : en
  • AU117724B2 - An improvement in switches for electrical circuits : en
  • CH229713A - High voltage switch. : de en
  • AU1132243A - Distortion reduction on modulated amplifiers : en
  • CA416378A - Composite metal article forming apparatus : en fr
  • CA416420A - Electrical apparatus : en fr
  • DE741699C - Metal vapor converters : de en
  • US2334667A - Distillation of tar to produce heavy creosote oil : en
  • US2334460A - Excavating apparatus : en
  • US2334381A - Method of making tear strip wrappers : en
  • US2334634A - Fiberboard carton : en
  • FR887659A - Rotary knife for grass and all grain cutting machines : en fr
  • DE741807C - Device for holding wide in machines, such as. B. stamping calenders, incoming material webs, especially paper webs : de en
  • US2334188A - Fastening device : en
  • CA416396A - Alloy : en fr
  • US2334612A - Coke oven regenerator : en
  • USD136654S - Phonograph record rack : en
  • US2334548A - Sealing means : en
  • AU738642A - An improvement in switches for electrical circuits : en
  • US2334592A - Teletypewriter transmitting system : en
  • AU117714B2 - Nitrogenous resinous compositions : en
  • DE742040C - Device for pattern-measured release of the adjusting members of jacquard devices, z. B. of jacquard Petinet devices on flat weft knitting machines : de en
  • CH229643A - Telescope system with a highly magnifying telescope and a finder. : de en
  • CH229677A - Shaft coupling. : de en
  • CH229779A - Process for the preparation of a sulfonamide derivative. : de en
  • DE741835C - Process for regulating the current in the consumer circuit of grid-controlled gas or vapor arc discharge paths : de en
  • CA416494A - Synchronous simplex telegraph system : en fr
  • CA416387A - Photographic apparatus : en fr
  • DE741782C - Process for the production of a non-dusting fertilizer by drying separating sludge : de en
  • DK61556C - Process for the production of anhydrous sodium pyrosilicate. : da en
  • CH229604A - Process for the preparation of ketols of the cyclopentanopolyhydrophenanthrene series. : de en
  • USD136659S - Design for a screw plug : en
  • DE741891C - Process for the preparation of water-soluble nitrogen-containing condensation products : de en
  • US2334553A - Apparatus and process for catalytic reactions of low boiling hydrocarbons : en
  • CH229755A - Method and device for synchronizing alternating voltages. : de en
  • CH229723A - Circuit breaker with thermal release, which has a curved bimetal strip and a heating tube lying in the curve. : de en
  • CH229747A - Process for the preparation of ethyl- (4,4'-bis-oxy-coumarin) -3,3'-methane. : de en
  • CH229780A - Method of gluing. : de en
  • AU613042A - Nitrogenous resinous compositions : en
  • FR887686A - High Frequency Coaxial Cable End Closure : en fr
  • CH229626A - Device for mounting an emergency sled using a pair of skis. : en fr
  • CH229668A - Machine tool for creating screw grooves. : de en
  • US2334542A - Apparatus for producing nubbed yarns : en
  • US2334659A - Footwear : en
  • US2334670A - Radio amplifying circuit : en
  • USD136674S - Embroidered trimming or similar article : en
  • CH229730A - Electron tube. : de en
  • US2334622A - Expansion link : en
  • USD136679S - Combined pocketbook and shopping bag : en
  • US2334519A - Filament transformer : en
  • DE741923C - Base for button tubes : de en
  • FR887513A - Method and device for providing a coating of welding rods and wires : en fr
  • FR887603A - Rail current circuit breaker : en fr
  • FR887619A - Balanced insecticidal and fungicidal oils : en fr
  • DE741673C - Photographic enlarger with photoelectric exposure meter : de en
  • GB557415A - Manufacture of azo pigments : en
  • DE741736C - Process for the production of coating agents suitable for wet oil technology : de en
  • NL55582C - : en
  • US2334264A - Gyro wheel : en
  • US2334409A - Bottle carrier : en
  • CH229612A - Process for producing a detergent. : de en
  • CH229790A - Process for the preparation of an (a, 7-dioxy-B, B-dimethyl-butyryl) -B'-aminobutyric acid salt. : de en
  • US2334389A - Ester and method of making same : en
  • US2334426A - Latch : en
  • US2334469A - Induction compass : en
  • US2334591A - Electrical signaling arrangement : en
  • CA416401A - Clutch plate : en fr
  • US2334331A - Evaporator header construction : en
  • USD136660S - Scratch pad holder or similar article : en
  • AU122449B2 - Distortion reduction on modulated amplifiers : en
  • US2334285A - Balanced rotary body : en
  • US2334457A - Engine cooling system : en
  • CH229750A - Procedure for operating an intercom. : de en
  • CH229752A - System used to transmit electrical signals via a line. : de en
  • DE741687C - Process for the preparation of aryl ether carboxylic acids and their salts : de en
  • DE741943C - Noiseless, automatic ratchet drive, especially for freewheeling hubs on bicycles : de en
  • DE741946C - Termination for wire ropes : de en
  • US2334513A - Control timer for refrigerating systems : en
  • US2334238A - Surface grinder spindle bearing : en
  • US2334291A - Tetracyclic compounds and process of making same : en
  • US2334415A - Hitch for corn binders and hayracks : en
  • CA416492A - Circuit breaker : en fr
  • AU117728B2 - Improved punt or pontoon : en
  • US2334552A - Signaling system : en
  • AU117721B2 - Improvements in photographic focal plane shutters : en
  • CH229588A - Spool storage in web shuttle. : de en
  • USD136661S - Clothes washing stirrer or the like : en
  • US2334210A - Manganese electrolyte purification : en
  • AU1158443A - Improvements in or relating to dielectric compositions : en
  • US2334563A - Apparatus for recovering anhydrous sodium sulphate and similar substances : en
  • US2334165A - Forming dye packages : en
  • CH229667A - Grinding machine. : de en
  • CA416409A - Lantern slide projector : en fr
  • CH229649A - Device ensuring the tightness of a watch case at the point where it is crossed by a control member. : en fr
  • AU728042A - Frequency modulation : en
  • US2334395A - Fire hose nozzle : en
  • US2334437A - Shoe sole press : en
  • US2334579A - Indicating lamp receptacle : en
  • US2334249A - Gyro wheel : en
  • CH229580A - Ring-shaped electrically heated hotplate and process for their manufacture. : de en
  • FR887467A - Instructional device for explaining movement phenomena : en fr
  • FR887594A - Process for the production of cathodes covered with a smooth emission layer for electric discharge tubes : en fr
  • DE742043C - Measuring and sorting device : de en
  • DE741991C - Zipper slider made of plastic material : de en
  • CH229675A - Screw locking. : de en
  • US2334448A - Pressure receptacle closure : en
  • US2334640A - Method of applying clay to jiggering molds : en
  • USD136520S - Glass tumbler or similar article : en
  • CH229576A - Installation for the ignition of a gasifier. : en fr
  • US2334545A - Condensation product of a urea, an aliphatic aldehyde, and a mono salt of a polyamine : en
  • DE741850C - Chain sizing and gluing machine : de en
  • DE741899C - Image transmitter tubes with a grid-shaped storage electrode acting as a control grid : de en
  • GB557396A - Improved mechanism for changing reciprocating rectilinear into oscillating rotary motion, and means for applying such mechanism to eye-shields, goggles, or the like, for the moving of viewing glasses : en
  • DE741633C - Device for receiving wireless broadcasts of certain types of programs : de en
  • NL55459C - X-ray installation equipped with a high-vacuum switching tube with grid control : en nl
  • CA416463A - Conveyer : en fr
  • DE741799C - Device for determining the angular position of balancing weights to be attached to the circumference of rotating bodies to be balanced : de en
  • NL55434C - : en
  • US2334536A - Dispensing carton : en
  • US2334575A - Selective signaling system : en
  • US2334346A - Valve : en
  • DE741995C - Washer and spin dryer for laundry : de en
  • GB557404A - Improvements in or relating to fireplaces and the like : en
  • US2334194A - Black-out system : en
  • US2334484A - Acoustical assembly : en
  • CA416405A - Lamp socket : en fr
  • CH229628A - Automatic mass-locked firearm. : de en
  • CA416486A - Well drilling fluid : en fr
  • CH229793A - Manicure comb. : en fr
  • CA416447A - Rake driving mechanism for sedimentation tanks : en fr
  • USD136525S - Design fob a hat : en
  • US2334473A - Frequency modulation tuning indicator : en
  • FR887656A - Process for the production of fiber plates : en fr
  • AU757242A - Improvements in automatic phonographs : en
  • NL97959A - Electrode for electric arc welding : en nl
  • CH229619A - Eraser for use on typewriters and office machines. : de en
  • DE741641C - Brush holders for electrical machines : de en
  • FR887561A - Coupling device for electric starters of internal combustion engines : en fr
  • US2334386A - Pile apparatus : en
  • USD136680S - Design fob a vestee scarf : en
  • US2334498A - Garment : en
  • CH229734A - Arrangement for grid control of mercury vapor valves. : de en
  • US2334222A - Electric steam iron : en
  • US2334266A - Diamond abrasive article : en
  • US2334620A - Method for recovering by-products from pulp waste liquor residues : en
  • US2334369A - Apparatus for supporting and spacing reinforcing devices : en
  • US2334550A - Fuse block : en
  • DE741901C - Arrangement for deflecting cathode rays : de en
  • DE741844C - Reflex camera with two mirrors set at an angle to each other : de en
  • FR887592A - Pressure measuring device : en fr
  • US2334432A - Window screen : en
  • FR887593A - Elastic wooden base for removable beds : en fr
  • GB557304A - An improved measuring device for use in the game of bowls : en
  • CH229593A - Nails with a rectangular head base, in particular for shoes, and process for the manufacture thereof. : de en
  • GB557420A - Improvements in and relating to knitted and woven fabrics : en
  • CA416500A - Screen for picture projections : en fr
  • CH229599A - Method of making bread with a long shelf life. : de en
  • CH229765A - Rim side ring. : en fr
  • US2334613A - Fishhook : en
  • FR887492A - Dyes o. o'-dihydroxy-azo and their manufacturing process : en fr
  • AU630042A - Keying method for radio transmitters : en
  • CH229592A - Heel protection. : de en
  • CH229788A - Arrangement for the operation of converters in which a circuit break occurs mechanically. : de en
  • DE741834C - Fine-level resistance regulator in which the width of the fixed contacts is greater than their mutual distance, especially collector regulators for rail vehicles : de en
  • DE741813C - Suspension of caterpillar vehicles : de en
  • CA416417A - Electrical apparatus : en fr
  • AU728242A - Improved punt or pontoon : en
  • AU731942A - Improved concrete mixture and process for its preparation : en
  • US2334628A - Printing machine : en
  • GB557400A - Improvements in and relating to hypodermic ampoule syringe units : en
  • CH229589A - Electric lighting device on a sewing machine. : de en
  • CH229700A - Press collector with metallic reinforcement rings. : de en
  • USD136535S - Drag angle finder for diamond dressing tools : en
  • CA416441A - Compressor for braking systems : en fr
  • US2334167A - Cable power unit : en
  • DE741639C - Pressure element for brush holder : de en
  • GB557425A - Improvements in ore concentration : en
  • CH229716A - Circuit breakers, especially for direct current. : de en
  • GB557370A - Improvements in or relating to the manufacture of wall-boards, slabs or the like : en
  • DE741690C - Soil cultivation equipment, in particular for the production of runways for airfields : de en
  • US2334505A - Universal spring hooking and looping machine : en
  • DE741692C - Telephones, especially double head telephones, mounted on a headband : de en
  • DE741948C - Device for returning the frames to sugar-strip clipping machines with packing device and automatic strip feed : de en
  • US2334293A - Reversible cover for combination sinks and tubs : en
  • USD136681S - Textile fabric or similar article : en
  • CH229773A - Gear drive for the driving axles of motor vehicles, in particular rail cars. : de en
  • FR887475A - Gaskets and gasket plates : en fr
  • GB557338A - Improvements relating to throttle-control means for internal combustion engines : en
  • NL55747C - : nl
  • DE742024C - Process for the production of highly refractory bricks using low-burn magnesia rich in iron oxide : de en
  • FR887548A - Progressive control for machines supplied by current rectifiers : en fr
  • GB557305A - Improvements in educational appliances : en
  • FR887635A - Improvements made to bulbs for incandescent electric lamps or discharge tubes : en fr
  • FR887477A - Device for cutting pieces of the same length from a rolled-up sheet for examination : en fr
  • CA416428A - Brake : en fr
  • CH229671A - Equipment on centrifuges for centrifuging the impurities separated from the centrifuged material from the centrifugal drum. : de en
  • NL55474C - : en
  • FR887453A - Wall system with low thickness and high thermal and sound insulation rendering : en fr
  • FR887568A - Improvements to transmission devices : en fr
  • DE741950C - Device for regulating the temperature of the coolant for cooling the mandrel end in presses for sheathing cables : de en
  • GB557399A - Improvements in or relating to contact photographic printing apparatus : en
  • DE741801C - Diesel fuels : de en
  • DE741905C - Device for remote switching of portable machines or apparatus : de en
  • DE741323C - Contact line system : de en
  • US2334668A - Apparatus for making strain gauges : en
  • USD136516S - Design for a slip : en
  • CA416415A - Welding method : en fr
  • CH229724A - Device for damping the high-voltage side star point oscillation when overvoltages occur in three-phase transformers and three-phase reactors. : de en
  • GB557372A - Improvements in or relating to hinges : en
  • DE741636C - Process for the production of stator cores for electrical machines : de en
  • DK61584C - Automatic Firearm with Sliding Pipe. : da en
  • FR887690A - Annular voltage distributor for assemblies supplied by alternating currents : en fr
  • GB557321A - Cable oil and insulating material impregnated therewith : en
  • DE741766C - Device for cutting endless synthetic thread strips : de en
  • FR887461A - Grouping system for gasifier devices on a motor vehicle : en fr
  • FR887680A - Constitution of bearings for the crankshafts of double star engines : en fr
  • FR887596A - Quartz crystal for bending vibrations : en fr
  • GB557429A - Improvements in the construction of retorts for the heat-treatment of materials, furnaces, kilns and the like : en
  • US2334173A - Rubbing shoe : en
  • US2334494A - Abrasive article and method of making the same : en
  • DE741863C - Mixed light lamp : de en
  • GB557297A - Improvements in power presses : en
  • CA416456A - Grinding machine stop mechanism : en fr
  • FR887462A - High precision electric chronometry system and its applications : en fr
  • DE742028C - Fastening of superheater pipe coils lying in one plane to support pipes through which a coolant flows : de en
  • US2334218A - Lightning arrester, alternate deflector type : en
  • US2334541A - Photographic apparatus : en
  • US2334422A - Pipe protractor : en
  • US2334650A - Apparatus for deep fat cooking : en
  • DE741754C - Interchangeable steel holder : de en
  • DE741840C - Process for the production of sintered hard metal alloys for work equipment and tools : de en
  • US2334652A - Process and preparation for heat treating of steel : en
  • DK61571C - Multiplier tube. : da en
  • CH229738A - Electric flashlight. : de en
  • DE741649C - Process for the finishing of any pretreated, more or less long vegetable or cellulose fibers : de en
  • DE741710C - Two-plate gate valve : de en
  • GB557333A - Improvements in or relating to buttons : en
  • DE741287C - Commutator held together by synthetic molding compound : de en
  • DE741793C - Rectifier system with means for fine voltage regulation : de en
  • DE741908C - Device for quick and smooth reversing of motors operated in Leonard circuit : de en
  • FR887498A - Improvements to voltage-controlled photoelectric cathode secondary electron multipliers : en fr
  • GB557341A - Improvements relating to injection moulding machines : en
  • CA416511A - Electron multiplier : en fr
  • CH229680A - Clutch fluid transmission. : de en
  • CH229684A - Submersible pump with electrically driven impeller. : de en
  • US2334598A - Means for planting : en
  • US2334203A - Spark plug : en
  • DE741865C - Control arrangement for spot and seam welding devices : de en
  • DE741909C - Control circuit for regulating DC motors in Leonard drives : de en
  • CH229688A - Injection internal combustion engine. : de en
  • FR887454A - Improvements to Articulated Rigid Sole Shoes : en fr
  • FR887651A - Device for checking the concentricity and dimensions of machined parts using measuring instruments : en fr
  • US2334162A - Prepaeaxion of z-ameno-l : en
  • US2334576A - Mining apparatus : en
  • GB557328A - Improvements in and connected with supports for electric cable : en
  • GB557426A - Improvements in and connected with the making of roads and the like : en
  • US2334566A - Lubricating oil : en
  • US2334669A - Mono-acyl derivatives of 2-methyl-1,4-naphthohydroquinone : en
  • FR887577A - Device for carrying out catalytic gas reactions under pressure : en fr
  • US2334299A - Sewing machine : en
  • US2334362A - Method of conditioning tobacco : en
  • USD136653S - Combined fumes removal hood and lighting fixture : en
  • DE741907C - Device for displaying impermissible overloading of conductors through which alternating current flows : de en
  • DE742008C - Process for the manufacture of glass bodies with a diameter that changes in sections : de en
  • DK61583C - Automatic firearm. : da en
  • US2334610A - Mirror and supporting arrangement : en
  • DE741743C - Use of zinc alloys : de en
  • DE741747C - Device for measuring and multiple display of the flight altitude : de en
  • US2334496A - Fluid pressure regulator : en
  • US2334364A - Surface treating machine : en
  • FR887482A - Apparatus for mixing, moistening and crumbling dry, powdery and fine-grained materials : en fr
  • US2334614A - Device for positioning and forming apertures : en
  • US2334367A - Weighing scale : en
  • FR887610A - Process for the desalination of water using cation exchangers and anion exchangers : en fr
  • FR887521A - Device used to fire cartridges or grenades : en fr
  • FR887618A - Synchronous teleprinter telegraph installation : en fr
  • FR887562A - Transformer composed of two machines : en fr
  • FR887571A - Bauxite decomposition process : en fr
  • FR887501A - : fr
  • GB557318A - Improvements in or relating to holders, cases or containers for lipstick : en
  • US2334335A - Loading beam : en
  • US2334561A - Air duct : en
  • FR887604A - Soft rubber seal : en fr
  • DE739792C - Self-actuating firearm that works according to the gas pressure loader system : de en
  • US2334248A - Sole fitting machine : en
  • GB557294A - Improvements in photographic sensitizing dyes and in silver salt emulsions containing them : en
  • FR887460A - Fabric for gasifier filter and others : en fr
  • SE109077C1 - : sv
  • DE741945C - Stranding machine for wire ropes and electrical cables : de en
  • US2334543A - Electrical mechanism for remote indication of movement : en
  • FR887485A - Mixer for gasifiers : en fr
  • US2334315A - Dental amalgamator : en
  • DE741686C - Process for the production of phenols, their offsets and hydrogenated phenols by pressure hydrogenation of lignin or lignin-containing substances : de en
  • US2334425A - Carton : en
  • US2334565A - Lubricating composition and pour depressor therefor : en
  • US2334328A - Control mechanism : en
  • US2334649A - Phonograph : en
  • FR887519A - Elastic isolation of the operating mechanism from impact masses in mechanical hammers : en fr
  • DE741784C - Teleprinters in which the characters are given by revolving organs that can be coupled at the beginning of each scanning or recording line and are recorded by a continuously revolving writing spindle that is synchronous or almost synchronous with the encoder drive : de en
  • FR887683A - Improvements made to annealing and quenching furnaces for the heat treatment of metals or the like, said furnaces comprising an electrical resistance constituted by a grid with self-regulation of the temperature : en fr
  • CH229708A - Device for switching off alternating current. : de en
  • US2334272A - Feed plunger construction for bar stock feed mechanism : en
  • US2334190A - Frequency modulation detection : en
  • FR887480A - Assembly for photocell densitometer : en fr
  • FR887620A - Packaging for shipments : en fr
  • US2334480A - Illuminating device : en
  • US2334594A - Lubricant composition : en
  • FR887526A - Propellers with automatic blade adjustment : en fr
  • CH229655A - Electrode feeding device for fitted electrode rods. : de en
  • US2334449A - Line shaft coupling : en
  • US2334680A - Cowling and the like fastener : en
  • DE741746C - Process for the extraction of zinc via zinc amalgam : de en
  • DE741767C - Thread overflow rollers for the treatment of artificial silk threads : de en
  • US2334338A - Sextant : en
  • CA416414A - Remote metering system : en fr
  • US2334534A - Teletypewriter : en
  • GB557377A - Improvements in or relating to fluid pressure motors : en
  • DE741701C - Combustion chamber with air supply openings, especially for pulverized coal combustion : de en
  • DK61575C - Blind. : da en
  • GB557330A - Improvements in or relating to roller tube expanders : en
  • CH229637A - Device for radiographic back-ray recordings with a cone camera. : de en
  • US2334298A - Combination display fan : en
  • CH229718A - Contact selector system with contacts arranged in a circle for automatic regulation or control systems. : de en
  • US2334421A - Transmission control : en
  • US2334466A - License plate : en
  • US2334529A - Girdle : en
  • US2334588A - Leather rolling machine : en
  • CA416389A - Dispensing container : en fr
  • CA416477A - Metal separation by distillation : en fr
  • CH229786A - Arrangement for interrupting and closing a circuit. : de en
  • CA416485A - Oil well drilling fluid : en fr
  • CH229610A - Process for the preparation of a monoazo dye. : de en
  • CH229725A - Mechanical converter. : de en
  • DE741707C - Mixture compressing two-stroke internal combustion engine : de en
  • AU123829B2 - Improvements in or relating to dielectric compositions : en
  • US2334311A - Lady's wearing apparel : en
  • AU117729B2 - Inductance apparatus : en
  • US2334191A - Desk set : en
  • CH229753A - Relay breaker device on selector. : de en
  • DK61568C - Glow cathode for gas- or vapor-filled discharge tubes for high currents. : da en
  • US2334589A - Binding machine : en
  • USD136656S - Design for a condiment bottle : en
  • CH229735A - Portable electric lamp. : en fr
  • USD136673S - Design for a rule : en
  • CH229644A - Optical device for reflex camera. : en fr
  • CA416491A - Spring packing making method : en fr
  • CH224311A - Sweat and sunbathing facility. : de en
  • GB557361A - Improved process for the preparation of photographic prints : en
  • US2334260A - Vehicle tire : en
  • US2334475A - Method and apparatus for investigating earth formations traversed by boreholes : en
  • US2334517A - High molecular weight surface active amines : en
  • CH229670A - Hair clipper. : de en
  • DE741802C - Device for injecting upper lubricating oil into the intake line of internal combustion engines : de en
  • USD136669S - Instrument for manipulations of the spinal column : en
  • AU117719B2 - Improvements in or relating to cobalt alloys and method of production : en
  • US2334292A - Fruit picker : en
  • US2334478A - Combined handle and fastener for receptacles : en
  • US2334297A - Convertible article of furniture : en
  • CH229761A - Light change number. : de en
  • US2334193A - Vehicle seat adjustment and lock : en
  • US2334393A - Determination of magnetic and electrical anisotropy of formation core samples : en
  • CH229581A - Potato masher. : en fr
  • CH229721A - Electric overcurrent switch. : de en
  • CH229641A - Electric heating device with at least one switch. : de en
  • DE741794C - Machine for the extraction of spinnable fibers from flax stalks using vibrating breaking bars : de en
  • GB557432A - Improvements in connection with frames for beehives : en
  • CA416503A - Hermetic separable fastener : en fr
  • CH229703A - Cement plinth for the erection of a post. : en fr
  • CH229710A - Device for the automatic regulation of a state variable such as temperature, pressure, humidity. : de en
  • CA416465A - Calculating machine : en fr
  • CH229686A - Bucket for rotary machines. : de en
  • CH229712A - Time switch. : de en
  • CH229689A - Aviation piston internal combustion engine system. : de en
  • CA416467A - Power-operated window lifting device : en fr
  • CH229622A - Harmonica ceiling attachment. : de en
  • DE741815C - Screwdriver-like tool for tightening screw nipples for wire spoke wheels : de en
  • DE741911C - Commutator for electrical machines : de en
  • AU117708B2 - Improved means for separating coarse gravel from adhering fine particles : en
  • CH229791A - Process for the preparation of a new ester. : de en
  • US2334348A - Sunburn preventive : en
  • GB557392A - Improvements in or relating to agricultural implements : en
  • DE730631C - Process for utilizing waste heat, especially hot exhaust gases : de en
  • FR887576A - Process for producing aluminum-silicon alloys : en fr
  • US2334608A - Slicer : en
  • DE742031C - Pantographs for electric railways : de en
  • DE741842C - Fuel injector : de en
  • US2334468A - Receiving apparatus for communication systems : en
  • US2334296A - Apparatus for converting edible compositions : en
  • US2334279A - Antenna construction : en
  • DE741964C - Gas or steam-filled electric light discharge tube with gas supply : de en
  • FR887648A - Improved pigment properties : en fr
  • DE741724C - Electromotive controller for large adjustment forces : de en
  • FR887518A - Steam sterilization apparatus for medical use : en fr
  • GB557350A - Speed governing of prime movers : en
  • CA416495A - Home record suppressor : en fr
  • US2334603A - Automatic fuel control : en
  • US2334360A - Conditioning bag : en
  • US2334557A - Transfer sleeve for drill pipe protectors : en
  • GB557378A - Improvements in or relating to hitch means for connecting trailed devices to tractive vehicles : en
  • FR887685A - Electric rectifier regulator device : en fr
  • FR887512A - Electronic microscope : en fr
  • FR887644A - Stereoscopic observation glasses : en fr
  • DK61558C - Procedure and Rotary Furnace for the Production of Phosphate Fertilizers by Melting Raw Phosphates. : da en
  • FR887505A - Folding machine for sheets or bundles of sheets : en fr
  • GB557413A - Improvements in or relating to filters : en
  • GB557418A - Improvements relating to sliding clasp fastener closures : en
  • US2334253A - Liquid dispenser : en
  • DE741839C - Arrangement for electron-optical imaging with adjustable magnification : de en
  • DE742034C - Method for balancing synchronous rotors in electrical machines : de en
  • DE741939C - Switching device for the plane and longitudinal of cross supports on machine tools : de en
  • DE741789C - Adjustable iron variometer coupled with a display device : de en
  • DE741930C - Power transmission device on motor-driven chain saws : de en
  • FR887597A - Electrical resistance for high temperatures : en fr
  • US2334532A - Refining oil-soluble sulphonates : en
  • DE741932C - Detector tubes for gas detectors : de en
  • US2334434A - Reduction of finely divided metal compounds : en
  • DE741902C - Circuit arrangement for simultaneous automatic bass boost and cutting of the upper frequencies in the low-frequency part of radio receivers : de en
  • FR887520A - Measuring device for triangular profiles with rounded angles : en fr
  • US2334538A - Operating mechanism for discharge lamps : en
  • DE741689C - Process for the production of higher molecular weight fatty acid esters of oxyalkylamino compounds which are effective as plasticizers : de en
  • DE741637C - Method of assembling submersible electrical machines with vertical shaft : de en
  • FR887456A - Processes for the preparation of aqueous products which easily form emulsions with fatty substances or other substances : en fr
  • FR887515A - Process for obtaining iodine and potassium salts from the fine dust of blast furnaces : en fr
  • GB557287A - Improvements in or relating to frequency conversion by thermionic discharge devices : en
  • US2334407A - Lock opener : en
  • US2334549A - Refining mineral oils : en
  • USD136514S - Design for a milk bottle : en
  • FR887551A - Variable speed drive applicable to all machines having to work at different speeds : en fr
  • US2334408A - Process for making chlorinated phenol-aldehyde condensation products : en
  • US2334424A - Protector : en
  • CA416434A - Mould and mould form : en fr
  • CH229796A - Control device for the pressure medium of change-speed gear shifting devices whose clutches are actuated by pistons, in particular for motor vehicles. : de en
  • DE741664C - V-belt connector : de en
  • FR887509A - Bellows camera : en fr
  • FR887587A - Multipolar automatic circuit breaker : en fr
  • US2334237A - Refrigerating apparatus : en
  • US2334590A - Bird cage feeder : en
  • FR887663A - Anodic pulse modulation of oxide cathode lamps : en fr
  • CH229565A - Process for the production of water-soluble moth repellants. : de en
  • US2334310A - Antispasmodic agents : en
  • US2334413A - Envelope : en
  • GB557390A - Improvements in and relating to harvest binding machines : en
  • GR10184B - PORTABLE REMOVABLE BATHROOM ASSEMBLY SYSTEM. : el en
  • US2334487A - Card holder : en
  • FR887531A - Paints resistant to wiping, friction and water action : en fr
  • GB557302A - Machine for forming fabric bands for pneumatic tyres : en
  • DE741959C - A device consisting of a flashlight with a built-in accumulator and an alternating current mains connection charger carried by the pins of a plug contact : de en
  • FR887528A - Electric lawn mower : en fr
  • US2334453A - Speed rock bit : en
  • GB557322A - Improvements in or relating to machines for feeding discs, washers, pellets or the like into containers : en
  • US2334555A - Catalytic apparatus : en
  • US2334380A - Clip board : en
  • CA416395A - Safety shirt for infants : en fr
  • FR887653A - Machine for the production of crossed coils : en fr
  • FR887691A - Device for increasing the sensitivity of electrical angle transmission installations : en fr
  • CH229629A - Automatic mass-locked firearm. : de en
  • FR887473A - Air conditioning apparatus, in particular for airplanes and cars : en fr
  • FR887601A - Method for determining the location of a leak in gas-filled tubular conduits : en fr
  • DK61561C - Selector of the Type used in automatic Telephone Systems. : da en
  • DE741935C - Finger shaker for threshing machines : de en
  • NL55507C - : en
  • USD136672S - Design fob a window shade pendant : en
  • NL55496C - PROCESS FOR THE PREPARATION OF NEW AZO COLORING AGENTS : en nl
  • AU117707B2 - Frequency modulation : en
  • CH229775A - Process for the production of testosterone cyclohexyl enol ether. : de en
  • CA416394A - Explosively actuated tool : en fr
  • CH229740A - Storage and retrieval vessel for surgical sutures. : de en
  • CA416453A - Motor vehicle window regulator : en fr
  • USD136678S - Design fob a hat : en
  • CH229616A - Process for the production of corrosion-preventing protective layers on workpieces made of magnesium alloys. : de en
  • US2334356A - Vacuum gauge : en
  • CH229568A - Device for tensioning holding wires for cladding by twisting them together for concrete work. : de en
  • DE741732C - Arc furnace in which the openings in the top masonry for the electrodes are sealed by means of water-cooled rings resting on the top masonry : de en
  • DE741761C - Gripper arrangement for drive wheels with rubber tires of tractors or other vehicles : de en
  • CA416416A - Telemetric system : en fr
  • CA416407A - Photographic projector : en fr
  • CH229766A - Air pump drive for bicycles. : de en
  • CH229623A - Crampons with bindings. : de en
  • US2334515A - Gear : en
  • DE741871C - Kaelbertraenker : de en
  • FR887687A - Character set for printing musical notes : en fr
  • US2334595A - Device for removing meats and the like from containers : en
  • CH229660A - Automatic threading lathe. : en fr
  • DK61573C - Water-cooled Planrist. : da en
  • FR887634A - Propeller adjustment device : en fr
  • FR887499A - Molecular pump : en fr
  • CH229699A - Superimposition device for external alternating currents through two synchronously driven double-fed induction machines. : de en
  • CH229756A - Device for controlling, by a clockwork movement, an electric circuit periodically actuating a signal. : en fr
  • DE741828C - Aniline factory : de en
  • US2334286A - Aircraft : en
  • US2334645A - Foursquare sheet trimming machine : en
  • US2334653A - Core for glass molds : en
  • NL55439C - : en
  • DE741778C - Hand protection for presses, especially those for paper processing : de en
  • US2334636A - Syphilis test and antigen : en
  • DE741632C - Rail current switch : de en
  • DE742003C - Free-standing extinguishing chamber switch : de en
  • DK61552C - Procedure for Stabilizing Beer. : da en
  • US2334461A - Raking attachment for thresher cylinders : en
  • USD136521S - Design for a lighting fixture : en
  • FR887581A - Needle for knitting machines : en fr
  • US2334580A - Flush type door handle : en
  • FR887464A - Gas meter membrane reinforcement plate : en fr
  • CA416397A - Regulating transformer : en fr
  • CA416449A - Insulating coupling : en fr
  • CH229681A - Pressure cylinder for hydraulically operated machines. : de en
  • CH229567A - Reinforced concrete beam. : de en
  • FR887493A - Dihydropyran and its method of preparation : en fr
  • NL99633B - : en
  • CH229591A - A method for making a flexible sole, and a flexible sole obtained by this method. : en fr
  • DE741872C - Automatic copying machine tool, in particular copy milling machine, for contour processing, in which a drawing of the crack or circumference is scanned by a photocell : de en
  • US2334450A - Closing and cleaning attachment for extensible window screens : en
  • USD136537S - Design for a loud-speaker or the like : en
  • DK61570C - Procedure for Manufacturing Electric Discharge Pipes. : da en
  • DE742006C - Circuit arrangement for measuring and evaluating the size and sign of a deviation of an impedance from a predetermined, arbitrarily selectable normal value : de en
  • GB557394A - Improvements in and relating to syphons for flushing cisterns : en
  • US2334327A - Method and apparatus for the regeneration of preserved foods, nutriments, and like materials : en
  • DE741654C - Extending table : de en
  • FR887678A - Process for treating beer with adsorbents : en fr
  • GB557369A - Improvements relating to multi-ply textile fabrics and articles made therefrom : en
  • FR887646A - Removable furniture, especially tables, benches, stools, etc. : en fr
  • NL55525C - Electric lantern, especially for use during mandatory darkening. : en nl
  • GB557353A - Improvements in buildings : en
  • US2334178A - Variable inductance device : en
  • US2334215A - Photographic tracing cloth : en
  • DE741762C - Process for the production of silver preparations with a low baking temperature for ceramic objects : de en
  • DE742042C - Sintered hard metal alloys : de en
  • FR887699A - Magnetic lens for corpuscular ray devices : en fr
  • DE741753C - Process for the electrolytic coloring of objects made of aluminum with an oxidic surface layer : de en
  • GB557375A - Improvements relating to rot-proofing of vegetable fibres : en
  • GB557441A - Sewing machines : en
  • US2334658A - Envelope machine attachment : en
  • GB557292A - Improvement in and relating to a lifting truck : en
  • GB557351A - Improvements relating to self-locking nuts and similar internally screw-threaded members : en
  • GB557306A - Rotary hydraulic pumps and motors : en
  • FR887558A - stabilized reactance lamp stage : en fr
  • GB557423A - Improvements in or relating to curved printing members for rotary printing presses : en
  • DE741940C - Device for clamping hex nuts o. The like. For the simultaneous drilling of safety holes : de en
  • FR887639A - Method for adjusting the pressure of lubricating oil in particular in compressor combustion engines : en fr
  • FR887514A - Improvements made to amplitude limiters : en fr
  • US2334312A - Drilling machine : en
  • US2334533A - Device for brewing and dispensing beverages : en
  • US2334624A - Apparatus for use in the fabrication of multiply glass sheet glazing units : en
  • US2334372A - Die-casting machine : en
  • US2334391A - Drastically oxidized water-insoluble oxyalkylated triricinolein and method of making same : en
  • US2334564A - Antioxidant composition : en
  • US2334280A - Bowden wire casing : en
  • DE741933C - Device for testing the corrosive effect of liquids on materials : de en
  • DE741936C - Welded valve housing composed of pressed parts for a streamlined valve : de en
  • FR887662A - Improvements to igniters : en fr
  • GB557368A - Improvements in wheels for the transmission of power : en
  • DE741696C - Locking device for rotatable electrical switch body : de en
  • US2334257A - Method of making blowpipe nozzles : en
  • CH229572A - Spun concrete mold for the production of prestressed concrete bodies. : de en
  • SE109039C1 - : en
  • US2334666A - Control system of boiling and canning rice : en
  • CH229733A - Contact device for converting alternating current into direct current and vice versa. : de en
  • US2334441A - Combination refuse cutter and burner : en
  • US2334366A - Method of producing face clutches : en
  • US2334525A - Pump : en
  • FR887533A - Preservation of glands for making opotherapeutic products and furniture specially intended for this purpose : en fr
  • DE741920C - Electric wall lamp that can be used as a table lamp : de en
  • CH229741A - Process for the preparation of a new therapeutically effective amidine. : de en
  • US2334350A - Wear-resisting tool joint : en
  • DE741738C - Device for wet treatment of artificial silk cake : de en
  • DE742001C - Process for the reduction of iron ores u. Like. By carbon oxide-containing gases in the circuit : de en
  • DE741628C - Electrically heated shaving brush : de en
  • DK61566C - Luminaire for long, tubular, electric Lighting fixtures. : da en
  • US2334455A - Disk harrow : en
  • US2334388A - Attachable side wall for tires : en
  • US2334252A - Tweezers : en
  • US2334377A - Electric discharge system : en
  • US2334514A - Electrical relay : en
  • US2334679A - Flow control of fuel : en
  • USD136511S - Casing for a dispensing container : en
  • US2334172A - Rubbing machine : en
  • US2334582A - Plasticizer : en
  • US2334482A - Retractable and expansible inside screen for windows : en
  • CH229587A - Process for the production of a cellulose solution by recycling the cotton textiles from worn rubber products, such as. B. rubber tires of vehicles, conveyor belts and. a. : de en
  • CH229748A - Process for the preparation of a molecular compound of sulfanilamide. : de en
  • US2334216A - Temperature control system : en
  • US2334385A - Measuring device : en
  • AU117706B2 - Improvements in or relating to methods off treating p Phenylene diamines andthe improved products produced thereby : en
  • CA416505A - Corner stud : en fr
  • DE741912C - Process for the production of carbon lamellas for a charcoal collector : de en
  • FR887457A - New cylindrical hearth for wood gasifiers : en fr
  • FR887636A - Process for the production of pentanediol-2. 4 : en fr
  • CH229590A - Process for the manufacture of arm blades. : de en
  • CA416499A - Vadinic oxide flake manufacture : en fr
  • FR887487A - Process for improving woolens : en fr
  • AU730542A - Improved means for separating coarse gravel from adhering fine particles : en
  • DE741638C - Process for the production of preformed coils consisting of thin wires, in particular for armature electrical machines : de en
  • AU117702B2 - Improvements in and relating to static voltage regulators : en
  • DE741997C - Device for pressing out laundry : de en
  • CH229787A - Switching device with quenching and overcurrent coil. : de en
  • US2334294A - Apparatus for lining pipe : en
  • US2334396A - Packing gland for centrifugal pumps : en
  • US2334544A - Machine tool : en
  • US2334164A - Web tensioning device : en
  • US2334384A - Switching conveyer means : en
  • GB557300A - Improvements in and relating to thread control mechanism for weft replenishing looms : en
  • GB557406A - Improvements relating to suction gas producers : en
  • US2334236A - Coated cellulosic material : en
  • US2334655A - Rotary internal combustion engine : en
  • US2334438A - Automatic choke valve : en
  • US2334458A - Label handling apparatus : en
  • US2334503A - Motor vehicle antenna : en
  • CH229618A - Apparatus for applying wire clips. : de en
  • CH229711A - Electrical signaling system. : de en
  • US2334625A - Turbomachine : en
  • US2334373A - Match book : en
  • US2334528A - Electrical control system : en
  • DE741882C - Lever escapement for balance clocks : de en
  • US2334573A - Fluid coupling : en
  • US2334596A - Drip receitacle for umbrellas : en
  • AU122870B2 - Tractor drawn plough : en
  • US2334420A - Means for processing yarn : en
  • US2334212A - Dancing toy : en
  • US2334439A - Annealing stem : en
  • US2334313A - Electric switch : en
  • US2334342A - Rotary cutter : en
  • FR887534A - Casing for steam or gas turbines with relatively large flanges : en fr
  • GB557440A - Improvements in and relating to electric wave signalling : en
  • DE741765C - Projection method : de en
  • FR887471A - Rectification process and device for its implementation : en fr
  • US2334288A - Apparatus for the treatment of artificial materials : en
  • US2334337A - Separator and valve therefor : en
  • US2334546A - Package : en
  • DE741714C - Device for reducing the visibility of ships : de en
  • DE741819C - Process for manufacturing outsoles : de en
  • DE741674C - Steering device for multi-axle log trailers : de en
  • DE741770C - Process for the production of shaped masses from cellulose esters or ethers : de en
  • CA416426A - Dynamo regulator : en fr
  • GB557355A - Improvements in or relating to photographic processes : en
  • DE742026C - Device for pressing Haecksel, dry pulp and similar loosely stored goods and for filling in bags : de en
  • DK61585C - Versatile prismatic cardboard packaging. : da en
  • FR887582A - Two-piece tubular guide, especially for carburetor and mixer pulls : en fr
  • DE741836C - Electric capacitor : de en
  • DE741944C - Device for filling envelopes or the like. : de en
  • GB557323A - Improvements in and relating to adhesive fabrics : en
  • DE737485C - Bicycle shed : de en
  • DE741759C - Pressure equalization device for vacuum chambers : de en
  • US2334597A - Wheel suspension : en
  • DK61564C - Procedure for the production of impregnated, rolled-up, fibrous electrical insulation material. : da en
  • US2334241A - Counting machine : en
  • FR887631A - Hydraulic press in which the pressing piston is coupled to a ram : en fr
  • US2334446A - Polarizing goggles : en
  • DE741327C - Counter-current braking circuit for three-phase motors : de en
  • US2334219A - Evaporator structure : en
  • CH229615A - Process for the production of nickel coatings on objects made of aluminum and aluminum alloys. : de en
  • US2334332A - Repeating toy gun : en
  • CH229646A - Hand setting device on a clock. : de en
  • FR887472A - : fr
  • GB557419A - Improvement in process and apparatus for forming seams in sheets and films of thermoplastic materials : en
  • DE741994C - Laundry washing machine with electrical heating and water circulation : de en
  • GB557290A - Process for purifying contaminated mineral oils and waxes : en
  • US2334611A - Delayed action brake holding mechanism : en
  • USD136529S - Design for a medallion or the like : en
  • US2334677A - Snap hook : en
  • GB557398A - Improvements in and relating to catapult spools for aircraft : en
  • US2334630A - Vulcanization of rubber : en
  • DE741642C - Rod light : de en
  • GB557359A - Improvements in or relating to arrangements for measuring or deriving currents from electrical signal amplitude changes : en
  • US2334295A - Crane : en
  • US2334619A - Tubular structure and article : en
  • DE741685C - Process for the preparation of p-aminobenzenesulfonic acidicotinoylamide : de en
  • DE741704C - Device for cleaning a smoke heater by scraping it off : de en
  • US2334345A - Lighter for gas burners : en
  • US2334489A - Hairdressing apparatus : en
  • US2334343A - Steering apparatus : en
  • US2334417A - Hair curling pad : en
  • US2334430A - Calculating machine : en
  • US2334585A - Laminated rubber hydrohalide and cellulose acetate tape : en
  • DE741711C - Control device for the main and auxiliary rudders of aircraft : de en
  • US2334347A - Power mechanism for steering apparatus and the like : en
  • USD136524S - Design for a ring box or the like : en
  • GB557388A - Electric control systems employing selectively-operated electro-magnetic devices : en
  • US2334207A - Control for power driven mechanisms : en
  • US2334428A - Well device : en
  • NL56277C - : en
  • CH229693A - Regulators for prime movers. : de en
  • US2334560A - Pole attachment suspension clamp for aerial wires and cables : en
  • CA416379A - Viewer : en fr
  • DE741757C - Process and system for the digestion of fiber-containing raw materials : de en
  • DE741904C - Isolated power supply for electric radiators : de en
  • FR887546A - Explosion turbine : en fr
  • FR887584A - heat exchanger comprising tubes of relatively small diameter : en fr
  • FR887458A - Nozzle : en fr
  • FR887565A - Temperature regulator, more particularly for cracking installations : en fr
  • GB557311A - Improvements in absorption refrigerating apparatus : en
  • GB557319A - Improvements in or relating to machines for inserting cartridges into cartridge belts for automatic guns : en
  • CA416473A - Protective layer on light metals and alloys : en fr
  • GB557384A - Improvements in shock-absorbing wheel suspensions : en
  • DE742044C - Display device for scales : de en
  • GB557313A - Improvements in or relating to smoke-producing or discharging toys : en
  • CA416368A - Scriber : en fr
  • CH229638A - Arrangement for generating a time-proportional deflection voltage for the recording of one-off processes by means of a cathode ray tube. : de en
  • FR887602A - Sleeve for cables with artificial sheaths : en fr
  • GB557346A - New or improved calender and process for making sheets from plastic compositions : en
  • US2334201A - Naphthalene derivatives and method of obtaining same : en
  • DE741678C - Clothes connector designed as a pin lock : de en
  • DE741468C - Process for the preparation of polyazo dyes : de en
  • CH229685A - Slurry pump. : de en
  • CH229579A - Installation comprising an acetylene generator. : en fr
  • CH229754A - Tunable oscillation circuit for ultra-short waves. : de en
  • DK61560C - Coupling device for Apparatus for AC Telegraphy. : da en
  • CA416376A - Textile yarn or thread : en fr
  • CA416490A - Succinic anhydride manufacture : en fr
  • CH229720A - Electric switch. : de en
  • CA416369A - Capsule for bottles : en fr
  • CH229760A - Switching arrangement for the control of sensitive switching parts. : de en
  • US2334687A - Connector : en
  • US2334322A - Drying rack for glue and the like : en
  • CH229745A - Process for the preparation of a-chloro-B-methyl-e-caprolactam. : de en
  • CH229605A - Process for the production of practically pure sulfonic acids. : de en
  • CH229698A - High voltage and power transformer. : de en
  • CH229663A - Method and apparatus for the heat treatment of metal parts by electricity. : en fr
  • AU696142A - Improvements in photographic focal plane shutters : en
  • CH229611A - Process for the production of a liquid adhesive. : de en
  • US2334263A - Foraminous body and method of producing the same : en
  • USD136541S - Design for a dress : en
  • CA416384A - Electro-acoustic system : en fr
  • CH229600A - Device for generating chemical reactions in a flowing gas by means of high-frequency electrical discharges. : de en
  • CH229669A - Razor blade holder. : de en
  • CA416506A - Portable electric flashlight : en fr
  • CA416427A - Dynamo regulating apparatus : en fr
  • US2334508A - Wiper for windscreens or other windows : en
  • DE741725C - Device for expanding the control range of automatically working electrical voltage regulators : de en
  • CA416388A - Valve assembly : en fr
  • CH229666A - Storage for horizontal or inclined rotating drums. : de en
  • DK61557C - Method for Recovering a 7-Dehydrocholesterin Containing Sterin Mixture of Mussels. : da en
  • CA416431A - Low frequency resilient mounting : en fr
  • CH229715A - Electric switch. : de en
  • CH229785A - n-fold parallel winding (n = whole number> 1) for single and multi-phase AC commutator machines. : de en
  • AU747642A - Bimetals : en
  • GB557391A - Improvements in and connected with electric conduit supports : en
  • CH229696A - Electric collector. : de en
  • DE741666C - Process for the electrolytic removal of contaminants deposited on valve cones, in particular exhaust valves, of high-quality internal combustion engines : de en
  • FR887488A - Starting device for internal combustion engines : en fr
  • US2334684A - Intermittent drive mechanism : en
  • DE741843C - Composite mill : de en
  • DE741837C - Anode with a smooth surface for electrolytic cells, especially for electrolytic capacitors : de en
  • USD136527S - Automobile ventilator insect screen : en
  • DE741804C - Process for the production of reinforcing bars with increased adhesion : de en
  • FR887554A - Transportable device, equipped with an electric machine with pedal control : en fr
  • GB557317A - Manufacture of derivatives of laevo-rotatory ª‡-hydroxy-ª‰, ª‰-dimethyl-gamma-ªÃ-butyro-lactone : en
  • DE741833C - Low-liquid or liquid-free switches protected by casing : de en
  • US2334584A - Method of making electric coils : en
  • FR887465A - New food products, in the form of balanced compounds according to the laws of physiology, as well as their manufacturing processes by association of yeasts with flours and similar products, in particular with wheat creams : en fr
  • GB557428A - Improvements in or relating to mole traps : en
  • DE741862C - Step transformer : de en
  • DE742005C - Process for producing the enveloping insulation of excitation coils for electrical machines : de en
  • NL55492C - Method for the preparation of cheese with the addition of bromate or iodate, and cheeses prepared according to that method : en nl
  • US2334300A - Pivotal rear sight for firearms : en
  • US2334500A - Neutralization of aromatic sulphonic acids : en
  • US2334392A - Hat package : en
  • US2334574A - Selective signaling system : en
  • FR887486A - Wire mesh mannequins for clothing : en fr
  • FR887664A - Wooden sole support for shoes and slippers : en fr
  • US2334540A - Golf putting practice green : en
  • DE741910C - Runner for electrical machines with triangular or trapezoidal winding conductors : de en
  • DE741900C - Procedure for operating storage image decomposition tubes : de en
  • US2334375A - Multiple unit concrete pump drive : en
  • US2334583A - Process for converting heavy petroleum oil into vapors and coke : en
  • US2334647A - Mailbox : en
  • US2334289A - Arrangement for charging secondary electric batteries : en
  • US2334351A - Motion picture theater : en
  • US2334551A - Telegraph system : en
  • US2334368A - Feeder : en
  • US2334617A - Oil burner extension for furnaces : en
  • CH229645A - Lighting device for projection apparatus, cinema apparatus and spotlights. : de en
  • DE741916C - Measuring device with a measuring instrument showing the mean value : de en
  • DK61580C - Rubber article with bracing insert. : da en
  • GB557316A - Improvements in or relating to hydraulic control devices : en
  • US2334329A - Variable aperture for optical projectors : en
  • FR887511A - Metallizable direct dyes and their preparation process : en fr
  • US2334239A - Stabilizfd grease composition : en
  • US2334470A - Anti-flex-cracking agent : en
  • US2334607A - Peptizing agent : en
  • DE741716C - Free-hand pneumatic drill for coal and other minerals : de en
  • FR887617A - Alphabetical transpositor for teleprinter : en fr
  • US2334521A - Bridge : en
  • DE741785C - Method for the transmission of television pictures whose brightness range is less than the available modulation range : de en
  • DE741937C - Process for the production of phosphate coatings on metals : de en
  • US2334334A - Barrelhead for tumbling mills : en
  • CA416488A - Well drilling fluid : en fr
  • CH229672A - Sensor control for processing machines. : de en
  • CH229782A - Device for electro-inductive heating of workpieces. : de en
  • US2334221A - Power transmission apparatus : en
  • FR887544A - Process for electrothermally obtaining volatile metals at their reduction temperature, by reduction of their oxides with carbon : en fr
  • CH229701A - Device for keeping constant a DC voltage applied to a consumer. : de en
  • DE741763C - Water tube radiation boiler : de en
  • DE741820C - Process for manufacturing outsoles : de en
  • FR887694A - Fuel resistant materials and method of preparing such materials : en fr
  • US2334355A - Reinforced concrete structure : en
  • US2334641A - Oven broiler construction : en
  • CH229607A - Process for the preparation of a 1-acylaminoaryl-5-pyrazolone. : de en
  • NL99447B - Method for improving the taste of foods containing proteins and protein splitting products : en nl
  • US2334464A - Typewriting machine : en
  • US2334644A - Rotary loop-taker mechanism for sewing machines : en
  • US2334179A - Regulating and control circuit : en
  • CH229776A - Process for the preparation of pregnendione benzylenol ether. : de en
  • CH229749A - Means for generating heat. : de en
  • CH229570A - Process for preheating the combustion air from combustion systems conveyed by means of a fan and device for carrying out this process. : de en
  • CH229658A - Control unit for resistance welding installation. : en fr
  • DE741975C - Method and device for the production of composite castings : de en
  • DE741764C - Cart drive device for two-turn high-speed presses : de en
  • GB557332A - Improvements relating to supporting arrangements for electric circuit conductors : en
  • US2334230A - Goldbeater's foil : en
  • US2334499A - Preserving lime : en
  • DE739550C - Cases made of vulcanized fiber, hard cardboard or the like : de en
  • DE741682C - Process for the dehydrogenation of saturated hydrocarbons : de en
  • NL55520C - : en
  • US2334403A - Distributing valve for pneumatic hammering tools : en
  • DE741415C - Hiking pillar : de en
  • CH229662A - Process for the production of serrations on circular workpieces using the screw generating process. : de en
  • US2334523A - Speed violation counter : en
  • US2334626A - Assembly machine : en
  • US2334558A - Rubber sleeve applicator : en
  • US2334577A - Apparatus for scoring coated pipe : en
  • US2334654A - Method of forming coated frozen confections : en
  • DE741892C - Type case made of juxtaposed individual cases of the same size : de en
  • US2334537A - Control system : en
  • US2334511A - Conveyer : en
  • DE711669C - Modification of the device according to patent 673332 for the simultaneous listening and visual display of target flight receivers : de en
  • CH229678A - Device for cutting pipes from non-metallic building materials. : de en
  • CH229722A - Small circuit breaker with box-shaped housing. : de en
  • NL55560C - : en
  • AU655442A - Improvements insanitary napkins : en
  • CH229705A - Insulation material for electrical machines and apparatus. : de en
  • US2334463A - Liquid level indicating system : en
  • CA416436A - Charcoal gas producer : en fr
  • CA416498A - Axle bearing seal : en fr
  • CH229583A - Fitting for connecting wooden parts, especially furniture that can be dismantled, such as cupboards, etc. : de en
  • DE741733C - Arc furnace : de en
  • FR887677A - Syringe for medical use and sterilization container : en fr
  • USD136676S - Design fob a badge ob similar article : en
  • CH229665A - Dust extraction device on belt grinders. : de en
  • CH229763A - Hydraulic fluid transmission, in particular for motor vehicles, with a part that can be pushed out of the circuit. : de en fr
  • CA416468A - Container closure : en fr
  • CA416466A - Metal shaping process : en fr
  • AU117717B2 - Improvements in or relating tothe manufacture of sponge rubber from aqueous dispersions of rubber : en
  • CA416402A - Polymerizable composition : en fr
  • DK61572C - Coupling to polar Control of a Brown tube at the Wehnelt cylinder. : da en
  • GB557288A - A method of making stamping dies : en
  • CA416412A - Welding apparatus control system : en fr
  • FR887510A - Lacquer resins and their preparation process : en fr
  • FR887650A - Wired broadcasting system for time signals and / or warning signals : en fr
  • CH229586A - Working machine for processing and roasting flax. : de en
  • AU595242A - Heat oxygen' treated polyamides : en
  • US2334175A - Deicer for aircraft propellers : en
  • CA416438A - Container fill checking machine : en fr
  • US2334673A - Wheel : en
  • CH229566A - Covering that insulates against moisture and water. : de en
  • US2334183A - Expansion joint : en
  • US2334648A - Method of spray-coating articles : en
  • CH229751A - Telecommunications installation. : en fr
  • CH229789A - Electric flat housing lamp with color filter slides. : de en
  • NL55436C - Device provided with one or more discharge tubes for voltage of the order of 1000kv and higher : en nl
  • US2334271A - Checking pencil : en
  • US2334491A - Method and apparatus for determining the electrical characteristics of geological formations traversed by drill holes : en
  • USD136531S - Design fob a statuette : en
  • GB557362A - Improvements in radio-reception : en
  • CA416462A - Luminaire for blackout lighting : en fr
  • CA416432A - Vinyl resin plastic filler : en fr
  • AU567442A - Masking or screening devices for lamps : en
  • CH229743A - Process for the preparation of a benzene sulfamide derivative. : de en
  • FR887588A - Frame for shelving with metal elements : en fr
  • DE741849C - Welded or soldered connection for the production of wires, rods, rails, profiles or the like from composite materials : de en
  • US2334400A - Purification of polyhydric alcohols : en
  • CA416383A - Gyroscopic indicator : en fr
  • CA416404A - Coffee maker : en fr
  • CH229697A - Self-regulating device for alternating current. : en fr
  • CA416470A - Die head : en fr
  • CA416471A - Sound record : en fr
  • US2334226A - Hair curler : en
  • US2334488A - Manufacture of aromatic hydroxy compounds : en
  • US2334401A - Food product and method of making : en
  • USD136534S - Pencil holding attachment for tri-squares : en
  • US2334259A - Refrigerating apparatus : en
  • CH229692A - Hot gas engine with a recuperator. : de en
  • DE741486C - Conveyor device for electrical collector plates : de en
  • CA416489A - Well drilling fluid : en fr
  • DE741795C - Method and device for de-lumbering and shaking green bast, especially green flax stalks : de en
  • CA416381A - Skull fitting hat : en fr
  • CH229768A - Method for repairing and vulcanizing vehicle pneumatics and device for carrying out the method. : de en
  • DE741803C - Compression-elastic sealing plate consisting of a metal support with filler : de en
  • CH229614A - Process for accelerating the vulcanization of rubber using dithiocarbamic acid derivatives. : de en
  • CH229795A - Circuit arrangement for telephone systems with main and sub-offices. : de en
  • US2334223A - Material handling apparatus : en
  • US2334180A - alpha-pyrone and method of preparing it : en
  • US2334244A - Fishing reel : en
  • DE741635C - Halyard force switch : de en
  • CA416391A - Square micrometric device : en fr
  • CH229758A - Switch with illuminated position indicator, in particular acknowledgment switch or control acknowledgment switch. : de en
  • US2334195A - Process for the production of polymerization products : en
  • FR887550A - Portion packaging : en fr
  • DE741728C - Protective device for electrical system parts : de en
  • CA416483A - Door lock extension : en fr
  • FR887466A - Device for detecting wire breaks in cable machines : en fr
  • CH229683A - Rotating piston pump. : de en
  • CH229742A - Process for the production of anti-rachitic products. : de en
  • CA416469A - Glass ampoule trimming machine : en fr
  • CH229729A - Electron tube. : de en
  • US2334370A - Garment hanger : en
  • US2334501A - Room heater : en
  • US2334683A - Separation of materials : en
  • CA416413A - Oven door : en fr
  • CA416421A - Electrical apparatus : en fr
  • CH229731A - Resonance spring drive. : de en
  • DE741750C - Self-seller for issuing tokens : de en
  • CH229620A - Device for taking photographic images. : de en
  • CH229632A - Locking device for a mechanical component. : en fr
  • CH229706A - Two-part cover hinge on boxes of electrical distribution systems. : de en
  • DE741713C - Switching arrangement with a four-speed transmission for motorcycles, motorized bicycles, motor vehicles and. like : de en
  • GB557363A - Improvements in or relating to hypodermic and like syringes : en
  • NL55528C - : en
  • CH229585A - Measuring, mixing, storage and removal device for lubricants. : de en
  • GB557439A - Improvements in presses especially for shaping sheet metal : en
  • US2334618A - Platform rocker : en
  • US2334323A - Scraping and loading machine : en
  • US2334642A - Abrasive tool : en
  • USD136675S - Embroidered trimming or similar article : en
  • US2334287A - Pilotage watch : en
  • CH229707A - Terminal arrangement to attach electrical equipment, e.g. B. counters, serving boards. : de en
  • CH229702A - Separation point for electrical lines. : de en
  • CA416445A - Slag control apparatus : en fr
  • CH229673A - Button. : en fr
  • US2334211A - Gas generator : en
  • US2334520A - Press : en
  • US2334556A - Tree therapy : en
  • CH229717A - Device for remote switching of at least one electrical hand-operated device. : de en
  • CH229709A - Breaking device for electric current. : de en
  • CH229767A - Device on vehicles to keep the pressure constant in their tires. : de en
  • DE741979C - Device for the production of regular, circular scales : de en
  • USD136533S - Design for a coat : en
  • CH229739A - Electric mercury tube. : de en
  • US2334635A - Window control means : en
  • CA416472A - Light-reflecting element : en fr
  • CA416497A - Message differentiation apparatus : en fr
  • CA416411A - Rust-proofing material for metals : en fr
  • CH229601A - Diaphragm for the electrolysis of solutions containing sulphate. : de en
  • US2334232A - Conditioning apparatus : en
  • DE741874C - Device for automatic compensation of centrifugal forces in vehicles : de en
  • US2334309A - Well tool construction : en
  • GB557315A - Process for the removal of mercaptans from hydrocarbon distillates : en
  • US2334660A - Condenser and circuit therefor : en
  • DE741691C - Fine control for DC drives, especially for electric traction vehicles : de en
  • FR887628A - Sliding pinion gearbox engaged by simple translation : en fr
  • US2334661A - Pipe bending machine : en
  • CH229679A - Crank drive without dead centers. : de en
  • US2334204A - Spark plug : en
  • US2334414A - Seismic surveying : en
  • US2334224A - Can sealing machine : en
  • DE741658C - Saw blade : de en
  • US2334639A - Crankshaft chuck : en
  • DE741760C - Terrain and road bike with adjustable tread blades : de en
  • DE742033C - Alternating current generator, in particular a hand-operated crank inductor : de en
  • DE741748C - Device for taking samples of beetroot from Ruebenwagen to determine the adhering dirt : de en
  • CH229664A - Process for the diffusion of silicon in workpieces made of iron, steel or their alloys. : de en
  • DE741830C - Semi-automatic high-voltage control for the drive motors of electrically powered vehicles : de en
  • DE741845C - Photographic camera with lens aperture, adjustable shutter and an electric light meter : de en
  • FR887595A - Power transmission to hydraulic mechanisms, in particular for motor vehicles : en fr
  • FR887632A - Manufacturing process for thin ceramic plates : en fr
  • GB557409A - Improvements in and relating to fasteners for use with apertured supports : en
  • GB557436A - Production of propionitrile : en
  • US2334170A - Process and apparatus for making gut strings : en
  • US2334330A - Folding umbrella : en
  • GB557326A - Improvements in or relating to sewing machines : en
  • DE741708C - V-belt made of roof tile-shaped pieces of leather lying on top of each other : de en
  • IE17909L - Sealing glass parts of vessels : en
  • CA416400A - Petroleum drilling fluid : en fr
  • CA416440A - Electro-plating apparatus : en fr
  • CA416457A - Spark plug insulator : en fr
  • CH229674A - Electric lighter for connection to low voltage. : de en
  • CA416390A - Dispensing container : en fr
  • CA416419A - Gas generator unit : en fr
  • US2334672A - Thread-chain cutter for sewing machines : en
  • FR887629A - Transformer mounted as an electrical filter with reinforcement of certain frequencies in the pass band : en fr
  • GB557336A - Improvements in or relating to electric supply equipment for precipitation plants for industrial gases : en
  • US2334527A - Camouflage pencil : en
  • CA416480A - Door knob fastener : en fr
  • CA416450A - Valve : en fr
  • DE741580C - Method and apparatus for spinning short fiber asbestos, such as. B. cardboard fibers : de en
  • DE741831C - Device for eliminating the disruptive effect of photoelectric effects on the signal plate of a one-sided mosaic electrode : de en
  • AU117705B2 - An improved method of and apparatus for making plywood with thermosetting glue : en
  • USD136677S - Tsongas airplane : en
  • US2334507A - Train detecting and reporting apparatus : en
  • US2334627A - Static eliminator for radio telegraphy : en
  • DE741922C - Machine for winding a toroidal resistance coil : de en
  • DE741962C - Electric safety light : de en
  • CA416454A - Ignition distributor : en fr
  • GB557344A - Improved device for levelling or stabilizing tables, stands, benches, scientific instruments and the like : en
  • FR887542A - Electro-mechanical striker tool control : en fr
  • FR887641A - Process for the preparation of compounds of the cyclopentanopolyhydrophenanthrene series in which the c ring carries oxygen or oxygenated groups : en fr
  • DE741805C - Machine for riveting and spot welding in hard-to-reach places : de en
  • DE741772C - Mechanical pencil with a point body that can be moved along the length of a feed tube under the action of a spring : de en
  • DK61579C - Charger for Internal Combustion Engines. : da en
  • FR887497A - Press for the manufacture of agglomerates of coal or similar products : en fr
  • FR887658A - Method and apparatus for producing isoximes continuously : en fr
  • CA416460A - Assay crucible : en fr
  • AU117720B2 - Improvements in or relating to driving bands or chains : en
  • US2334161A - Bottle crate : en
  • US2334267A - Circuit breaker : en
  • FR887538A - Method and apparatus for producing deep-shrunk viscose rayon : en fr
  • GB557309A - Improvements in or relating to printing machines : en
  • GB557435A - A hydraulically actuated device for adjusting the blades of variable-pitch propellers, especially airscrews : en
  • US2334682A - Handle for caskets, etc. : en
  • USD136652S - Design for a lawn chair : en
  • DE741695C - Circuit breaker : de en
  • CA416398A - Concentrated photographic syrup : en fr
  • CA416424A - Furnace regulator system : en fr
  • DE741740C - Method and device for bringing about a perfect bond when applying metal layers on metal workpieces : de en
  • DE741288C - Quotient measuring mechanism operated by direct current : de en
  • FR887463A - Manufacture of slider closures : en fr
  • FR887673A - Periodically actuated contactor devices with contact body performing a rolling or rotating movement and not having moving current supply lines : en fr
  • US2334646A - Guideless jointed cane fishing pole : en
  • CH229596A - Process for making a puffed wheat product. : de en
  • DE741841C - Multi-channel recording of tones or sound streams : de en
  • USD136665S - Combined garment hanger and door pull or similar article : en
  • DE741719C - Supply roll brake, especially for rotary printing machines : de en
  • US2334302A - Screw turbine : en
  • US2334678A - Separable snap fastener installation : en
  • US2334240A - Clamp tool : en
  • USD136522S - Design for a fuse holder : en
  • DE741697C - Time relay arrangement, especially for feed controls of machine tools : de en
  • NL104053B - : en
  • AU117738B2 - Keying method for radio transmitters : en
  • CA416476A - Metal separation by distillation : en fr
  • DE741290C - Arc welding device for alternating current with a consumable electrode that is automatically advanced by a direct current motor according to the arc voltage : de en
  • USD136670S - Design for a compound tool : en
  • DE741846C - Zipper connection for rigid, flat components, especially on aircraft : de en
  • DE741861C - Spring-loaded, windowed band as a rotatable closure for openings in the housing or the end shields of electrical machines : de en
  • DE741800C - Sensing device for machines controlled by count cards : de en
  • DE741627C - Hand-held device for marking and measuring the length of weaving defects on running textile webs : de en
  • DE741776C - Roller for printing machines : de en
  • FR887522A - Bee hive : en fr
  • US2334344A - Material supporting attachment for ironing boards : en
  • DE741680C - Cantilever overburden conveyor bridge supported only on one side on the overburden side : de en
  • DK61553C - Method of Manufacturing Sheet Metal Radiators. : da en
  • FR887483A - Closure for artillery tube : en fr
  • CH229648A - Waterproof watch box. : en fr
  • FR887559A - Frequency stabilizer device for tube transmitters : en fr
  • FR887491A - Dough preheater : en fr
  • CH229635A - Device for measuring taps, reamers and similar tools. : de en
  • FR887557A - Crossing branch pliers : en fr
  • CH229630A - Automatic firearm with safety device against double loading. : de en
  • USD136662S - Design fob a vegetable grater : en