• US2303344A - Container display stand : en
  • US2303555A - Hot plate device : en
  • US2304042A - House cooler and heater : en
  • SU62202A1 - Local oscillator synchronization device : en ru
  • DE728904C - Method for operating multi-stage internal combustion engines with overloading, in particular as high-altitude engines : de en
  • US2303677A - Tap for liquid dispensers : en
  • SU62604A1 - The method of obtaining concentrates of vitamin C : en ru
  • CA409079A - Surgical ribbon gut : en fr
  • CA408983A - Aliphatic dinitrile hydrogenation : en fr
  • AT160881B - Process for the regulation of continuously working fractionation distillation apparatus : de en
  • AU426242A - Improved apparatus forthe preparation of smokeless fuel from brown coal : en
  • CA409007A - Flatiron : en fr
  • SU62316A1 - The method of placement of the supports of overhead electrical lines : en ru
  • CA409018A - Ore roasting process : en fr
  • US2303681A - Sheet gauging and sorting mechanism : en
  • DE728883C - Arrangement for recording the sign of transient earth faults in AC systems : de en
  • SU62253A1 - Device for grounding high-voltage lines : en ru
  • SU62563A1 - Door lock : en ru
  • SU62444A1 - The method of obtaining NN'-di- (4-dipropylaminophenyl) -urea : en ru
  • US2303337A - Derivatives of the dihalogen hydroxy benzoic acids and process for the manufacture of the same : en
  • SU62234A1 - Method of making gas-tight tubes : en ru
  • US2303807A - Heater for transportation units and the like : en
  • US2304018A - Control apparatus : en
  • PL31027B1 - A device that includes a stylus for drawing two or more points on an image : en pl
  • US2303432A - Shortening : en
  • US2303908A - Stemming machine : en
  • SU62372A1 - The method of two-way flaring of the shanks of turbine blades installed in the disk, rivets installed in a row, etc. : en ru
  • SU62317A1 - Induction sensor for transmitting instrument readings with a circular motion of an arrow : en ru
  • SU62603A1 - The method of producing vinyl chloride : en ru
  • GB549737A - A new or improved gauge : en
  • US2303873A - Infrared health lamp : en
  • SU62405A1 - The method of preparation of mud solutions for washing wells : en ru
  • US2303398A - Alkaline detergent : en
  • US2303964A - Porous ceramic insulating material : en
  • US2303553A - Fan support : en
  • US2303599A - Dual wheel brake : en
  • US2303426A - Contents elevator for containers : en
  • DE728544C - Process for the production of nitrogen-containing condensation products : de en
  • DE728852C - Obstacle deflector with streamlined cross-section for aircraft : de en
  • FR877317A - Steam power plant for ship control : en fr
  • FR877324A - Spindle for spinning and twisting machines : en fr
  • FR877356A - Device usable on board airplanes for heating, flame attenuation and use of reaction : en fr
  • SU62562A1 - Electron beam compass : en ru
  • US2304025A - Process for color development of photographic materials : en
  • DE728680C - Fastening device for overlapped laid, corrugated roof and wall panels, especially asbestos cement panels : de en
  • DE728771C - Circuit arrangement for telephone systems with dialer operation and several exchanges : de en
  • PL31105B1 - : en pl
  • SU62260A1 - Threading device : en ru
  • SU62672A1 - Device for maintaining a constant flow rate of liquid to automatic scales : en ru
  • SU62804A1 - Method for electrochemical painting of metals : en ru
  • USD134486S - Design for a knitted fabric : en
  • AU118548B2 - Improvements in receivers of frequency or phase-modulated carriers : en
  • AU427742A - Improvements in or relating to the closures or seals of tubes or other containers for pastes, cream, jellies or the like : en
  • CA408931A - Confessional : en fr
  • PL31130B1 - A method for partitioning synthetic fibers and for producing a viscose sheet, and an apparatus for carrying out the method : en pl
  • US2303876A - Apparatus for sanding highways : en
  • CA408968A - Electromagnetic induction apparatus : en fr
  • AU116170B2 - Improvements in raising and lowering mechanism of agricultural and like implements : en
  • SE106008C1 - : en
  • SU62273A1 - Self-excited lamp generator : en ru
  • DE728759C - Quick opening and closing valve : de en
  • SU62621A1 - Nest for spinning centrifugal machine mugs : en ru
  • US2303448A - Wheat product and the process of making the same : en
  • DE728649C - Valve for gas masks : de en
  • DE728604C - Filling device on expansion tanks for hydraulic adjustment mechanisms, especially in aircraft : de en
  • US2303508A - Wiping mechanism for labeling machines : en
  • US2303982A - Adhesive : en
  • US2303989A - Signal translating apparatus : en
  • DK60373C - Process for the Preparation of 2-Methyl-4-ethoxymethyl-6-oxypyridine derivatives. : da en
  • CH224451A - Stereophototheodolite. : de en
  • CA409052A - Ammunition : en fr
  • US2303348A - Method for modifying organic bodies to raise the transition temperature therein from nonfluid to fluid phase and the composition : en
  • SU62792A1 - Device for electrical protection of a high pressure preheater to a steam turbine : en ru
  • US2303698A - Derivatives of p-aminobenzenesulphonylamide (i. e., sulphanilamide) and the process of producing them : en
  • US2303987A - Carrier-signal detector : en
  • SU62814A1 - Manual bottle capping machine for filling filled bottles : en ru
  • US2303507A - Safety mechanism fob labeling : en
  • US2303375A - Rochelle salt piezoelectric crystal apparatus : en
  • US2303445A - Means for minimizing transient voltages : en
  • US2303720A - Automatic electric welding apparatus : en
  • DE728644C - Process for the production of synthetic rubber-like compositions : de en
  • DE728899C - Flagpole holder : de en
  • SU62364A1 - Steel : en ru
  • SU62731A1 - Device trial (stop) circuits PBX : en ru
  • US2303367A - Coal cleaner : en
  • US2303428A - Metal scaffolding : en
  • US2303519A - Control means for change-speed gears for motor propelled vehicles : en
  • SU62410A1 - Method for carbonization of aluminate solutions : en ru
  • AU116983B2 - Improvements in and relating to devices for dispensing or delivering liquids, for instance, ink : en
  • SU62469A1 - The method of manufacturing factual varnishes : en ru
  • USD134479S - Design for a settee : en
  • SU62373A1 - Automatic switch-off of damaged sectional sections of radiators of the aircraft engine cooling system : en ru
  • US2303950A - Conduit bend : en
  • US2303384A - Connector : en
  • US2303417A - Steam trap : en
  • DE728592C - Device for melting fat from animal corpses or parts thereof : de en
  • SU62262A1 - The way to search for oil : en ru
  • SU62634A1 - Adaptation to the divider harvesting machines for a better supply of stems : en ru
  • SU62655A1 - Siphon bottle filling machine : en ru
  • DE728810C - Device for automatic level control in signal transmission systems : de en
  • FR877164A - Printing cylinder lamination process : en fr
  • US2303911A - Thermostat mechanism : en
  • PL31079B1 - Ringhoffer-Tatra-Werke A. G., Prague A car with a rear engine : en pl
  • CA409016A - Balanced vibratory converter circuit : en fr
  • CH224397A - Emptying device on liquid containers. : de en
  • DE728456C - Electric signal system for calling people : de en
  • FR877251A - Ceramic plates or discs and electric discharge tubes comprising : en fr
  • GB549765A - Rotary take-up for sewing machines : en
  • SU62459A1 - A method of manufacturing water-emulsion factual varnishes : en ru
  • SU62462A1 - The method of producing carbon disulfide : en ru
  • CA409064A - Oil well treating method : en fr
  • US2303892A - Electrode clamp and support : en
  • US2303967A - Sun time indicator : en
  • USD134496S - Design fob a jacket : en
  • CA409051A - Current inverter : en fr
  • CH224411A - Trouser straps. : de en
  • CH224437A - Suspension filing folder with tab. : de en
  • SU62250A1 - Circular comparator : en ru
  • PL31023B1 - : en pl
  • SU62507A1 - Device for compound compensation of inductive voltage drop of transmission line : en ru
  • SU62423A1 - Thermostatic method : en ru
  • SU62454A1 - Method for passivating ferromanganese powder : en ru
  • SU62703A1 - Method of making polished circles for shaped parts from paper tape : en ru
  • US2304058A - Current collector : en
  • CA408949A - Spring cushion or mattress assembly and pad : en fr
  • CH224468A - Automatic arc control device for AC welding. : de en
  • US2303744A - Footgear : en
  • DE728583C - Short wave vibration generator : de en
  • FR877300A - Deformable device for laying out and drying knit panties : en fr
  • DE728507C - Process for the production of dicarboxylic acids : de en
  • DE728659C - Device for stable regulation of the voltage of a capacitor-excited asynchronous generator : de en
  • GB549672A - Process for the manufacture of derivatives of ª‡-cyano-ª†-acetyl-glutaric acid : en
  • US2303617A - Ice tray : en
  • PL31078B1 - Device for processing the light image into an electronic image : en pl
  • US2303521A - Operation counter for protector tubes : en
  • US2303706A - Fastener : en
  • SU62509A1 - Device for reducing sparks when turning off the DC electromagnet : en ru
  • US2303431A - Shoe and shoe bottom unit : en
  • CA409033A - Power transmission chain : en fr
  • CH224450A - Method and device for determining the gas volume in a container which is partially filled with liquid and the rest with gas. : de en
  • DE728656C - Rigid, double-walled tube sheet for heat exchangers : de en
  • GB549760A - An improved appliance for sifting cinders collected from domestic and like fire grates : en
  • US2303536A - Garment : en
  • USD134467S - Design for a brooch or similar article : en
  • FR877372A - Process for mass production of sound recording tapes bearing a mechanically readable sound inscription : en fr
  • FR877168A - Coating and its manufacturing processes : en fr
  • FR877394A - Manufacturing process of vertical shell cast iron cylinders : en fr
  • DE728705C - Device for the simultaneous detection of several poisonous gases in the air : de en
  • FR877375A - Process for preparing nitrogenous products for animal feed : en fr
  • DK60374C - Drive mechanism for the Tuning means in a Radio receiver. : da en
  • FR877201A - Automotive car with electric accumulators : en fr
  • US2304005A - Fluting machine : en
  • DE728730C - Stabilization of magnetron transmitters : de en
  • FR877212A - Device allowing the use of alcohol-based fuel for internal combustion engines : en fr
  • SU62238A1 - Treacle dilution machine : en ru
  • CH224459A - Talking machine with automatic disc changer and automatic stop device. : en fr
  • DE728672C - Wooden sole : de en
  • US2303437A - Means for the propulsion of ships : en
  • US2304051A - Means for analyzing and determining the characteristics of the geologic strata : en
  • SU62803A1 - Device for automatically opening the lid of a centrifugal casting machine : en ru
  • US2303620A - Method of firing regenerative furnaces or the like : en
  • FR877260A - Steam heating for motor vehicles : en fr
  • FR877237A - Bay window for airplanes, in particular for airplanes flying at high altitude : en fr
  • CA409009A - Paper finishing apparatus : en fr
  • US2303481A - Synchronous generator having special damper winding : en
  • SU62779A1 - Exhaust Gas Analyzer for Internal Combustion Engines : en ru
  • USPP558P - Geranium : en
  • US2303844A - Mullion construction : en
  • PL31159B1 - C. Lorenz flktiengesellschaft, Berlin — Tempelhof Quartz holder, especially for biconvex quartz lenses : en pl
  • USD134464S - Zeilman portable crane : en
  • US2303697A - Apparatus for manufacturing thread or the like : en
  • US2303818A - Stabilizing solution of tetra-alkyl lead compounds : en
  • FR877157A - Improvements to rotating anode chi-ray tubes : en fr
  • DE728650C - Pneumatic tire puller : de en
  • US2303956A - Apparatus for right-and left-hand duplicating : en
  • PL31055B1 - : en pl
  • US2303529A - Machine for grinding the blade surfaces of screw propellers : en
  • US2303640A - Carburetor : en
  • US2303843A - Control system : en
  • DE717366C - Light filter to compensate for color distortions when copying or enlarging color negatives : de en
  • DE728715C - Movable weir : de en
  • PL31040B1 - : en pl
  • DE728712C - Dressing device for grinding wheel surface areas by means of two rolling knives : de en
  • SU62664A1 - The method of manufacture of reinforcement : en ru
  • GB549688A - Improvements in or relating to devices adapted to clean sieves in operation : en
  • FR877383A - Process for manufacturing pressure-resistant tins and cans obtained by this process : en fr
  • US2303477A - Tanning and dyeing leather : en
  • USD134489S - Design for a textile fabric : en
  • DE728814C - Method for measuring the phase shift of high frequencies that can be changed in frequency : de en
  • US2303891A - Control instrument : en
  • US2303895A - Method of remodeling lasts : en
  • GB549701A - Improvements in or relating to electro-acoustic devices : en
  • US2303366A - Amide : en
  • US2303476A - Drier for textile threads : en
  • US2303861A - Grounding device : en
  • DE728569C - Sheet film pack for roentgenographic purposes : de en
  • GB549621A - An improved closure for drums or containers : en
  • FR877248A - High voltage electric cable with metal radiation shielding and insulation strips : en fr
  • US2303404A - Alloy : en
  • US2303433A - Bed construction : en
  • US2303961A - Clothespin : en
  • US2303726A - Golf green drill : en
  • DE728572C - Motorbike chassis with a frame suspended on the front and rear wheels : de en
  • DE728793C - Vehicle toy with a device for setting different speeds : de en
  • SU62227A1 - Arc suppressor : en ru
  • US2303782A - Reversible coat : en
  • US2303678A - Garment supporting and carrying device : en
  • GB549694A - Improvements in pistons for vacuum or pressure operated servo devices : en
  • PL31107B1 - A method of testing workpieces and semi-finished products for material shortages, consisting in breaking the cohesion : en pl
  • SU62411A1 - Undercarriage for the gates of slipways, etc. structures : en ru
  • SU62748A1 - The method of obtaining electrical insulating tape : en ru
  • SU62752A1 - Mechanism for shutting down the running roller of metalworking machines : en ru
  • DE728808C - Telephone holder : de en
  • GB549649A - Protective screen for welding : en
  • FR877241A - Friction wheel shifter mechanism with single-segment force transmission : en fr
  • DE728785C - Articulated boiler with external filling shaft : de en
  • CH224539A - Automatic optical signaling device on switches in railroad systems. : de en
  • CH224380A - Distribution device on mobile plant spraying systems. : de en
  • PL31134B1 - A method of continuously manufacturing metal and metal alloy wire, shapes, and pipes : en pl
  • SU62301A1 - Metallization unit : en ru
  • FR877261A - Friction wheel drive, with oscillating mounting of the controlled friction wheel : en fr
  • DE728577C - Wandering expansion to secure the hanging wall : de en
  • SU62394A1 - Tunnel dryer : en ru
  • PL31143B1 - A method of improving the strength properties of magnesium alloys containing beryllium : en pl
  • SU62483A1 - The method of preparation of the detergent : en ru
  • US2303983A - Heat treating apparatus : en
  • CA409002A - Refrigeration apparatus : en fr
  • SU62495A1 - The device for building grids : en ru
  • SU62683A1 - Device for registering the number of bits : en ru
  • DE728787C - Method and device for the transmission of a light line for sound film purposes : de en
  • SU62691A1 - Facing plate : en ru
  • SU62280A1 - Mechanical scraper : en ru
  • CH224540A - Electric signal box with lock dependency. : de en
  • DE728563C - Process for the preservation of juicy green feed : de en
  • DE728916C - Washer head for overmolding flat dishes made of ceramic material : de en
  • SU62443A1 - The method of obtaining complex bitumen-thiokol emulsions : en ru
  • US2303685A - Hydraulic transmission : en
  • SU62589A1 - Device for continuous sequential pumping of various petroleum products through one pipeline : en ru
  • SU62346A1 - Method of dewatering maltose syrups from millet waste : en ru
  • US2303814A - Crimping tool : en
  • US2303984A - Assorting belt : en
  • SU62333A1 - Device for preventing sparking on electric locomotive collectors : en ru
  • SU62577A1 - Packet ripper : en ru
  • CH224478A - Process for the production of a hardening coating on the inside of a body having edges. : de en
  • CA408973A - Electric switch : en fr
  • SU62285A1 - The method of removing products from an electric induction type heater : en ru
  • SU62529A1 - A device for creating mass circulation in Genze apparatus : en ru
  • US2303960A - Motion picture projector for television use : en
  • CA409046A - Magnesium carbonate composition : en fr
  • SU62305A1 - Mechanism for automatically shutting down the supor or machine table : en ru
  • SU62467A1 - The method of preparation of alcohol-free essential oils essences : en ru
  • AT160884B - Internal combustion engine with several fuels supplied via separate feed lines for operation or for starting : de en
  • CA408976A - Hydrocarbon conversion : en fr
  • CH224466A - Waterproof watch box. : en fr
  • DE728661C - Laminated magnetic yoke for high frequency circuits : de en
  • FR877387A - Electric current converter tube : en fr
  • GB549758A - Improvements in and relating to the production of electrodes for clamping quartz crystals or the like : en
  • BE447422A - : en fr
  • US2303840A - Graphic recording instrument : en
  • US2303860A - Ironing element : en
  • CH224471A - Process for the heat treatment of metallic objects in molten salt baths. : de en
  • CH224551A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • DE728918C - Trash rack cleaning machine for floodable weir power stations with a dam or the like : de en
  • SU62702A1 - Hydraulic Press : en ru
  • US2303539A - Machine for manufacturing closure caps : en
  • DE728589C - Process for the production of tubular tungsten incandescent cathodes for electron tubes : de en
  • SU62331A1 - Concreting method of facing tunnel pressure : en ru
  • PL31113B1 - M e f i n a S. fl., Binningen Fuse for artillery fuses : en pl
  • SU62228A1 - Room stove : en ru
  • SU62537A1 - Method and device for cleaning onions : en ru
  • US2303865A - Air conditioning apparatus : en
  • US2304020A - Interlock for steel files : en
  • SU62222A1 - Transformer : en ru
  • SU62426A1 - Balancing method of 40-cylinder two-stroke internal combustion engines with X-shaped or fan arrangement of cylinders : en ru
  • SU62637A1 - Header for cleaning machines : en ru
  • USD134453S - Design for an automobile bumper : en
  • FR877277A - Process for dyeing with sulfur dyes : en fr
  • CA409039A - Variable ratio transmission mechanism : en fr
  • AU116175B2 - Improvements relating to stoves and ranges : en
  • GB549636A - Improvements in or relating to the manufacture of coated articles : en
  • CA408972A - Meter thermal demand attachment : en fr
  • FR877283A - Fireplace Saver Tray : en fr
  • GB549750A - Improvements in or relating to the balancing of the free tilting moments of the first order in two-stroke internal combustion engines : en
  • US2303473A - Cutting or welding and heattreating apparatus : en
  • US2303342A - Lasting machine : en
  • USD134477S - Design for a roof ventilator : en
  • DE728623C - Liquid separation cap for gas lines : de en
  • DE728599C - Oxygen breathing device with a reusable piece for the oxygen distribution : de en
  • FR877175A - Improvements in the curtain suspension system : en fr
  • US2303446A - Hose supporter : en
  • US2303802A - Wringer : en
  • US2303416A - Method of producing heat exchange apparatus : en
  • SU62476A1 - Manual scraper with mechanized connecting rod drive : en ru
  • US2303753A - Sinker for fishing lines : en
  • US2303799A - Ground speed indicator : en
  • DE728840C - Arrangement for the supply of direct current consumers via rectifiers from an alternating current network : de en
  • FR877187A - Roaster dryer for the treatment of wood intended for gasifier supply : en fr
  • GB549646A - Filtration of air and other gases : en
  • SU62338A1 - Method for marking hot ingots and rolled products : en ru
  • FR877155A - New peg for stringed musical instruments : en fr
  • GB549666A - Improvements in or relating to cooling apparatus for turbo-compressors : en
  • GB549761A - Improvements in or relating to means for controlling the supply of fuel and air to internal combustion engines : en
  • DE728867C - Protection against the escape of gas or air : de en
  • GB549691A - Improvements in or relating to vacuum operated servo motor devices : en
  • GB549723A - Improvements in paving, flooring and like tread surfaces : en
  • SU62754A1 - Device for lining points by coordinates : en ru
  • US2304007A - Article support : en
  • CA408966A - Furnace temperature control system : en fr
  • US2304057A - Keystone correction circuit : en
  • FR877265A - Method and device for emptying chocolate molds : en fr
  • FR877393A - Device to facilitate take-off and landing of aircraft known as observation balloons : en fr
  • US2303517A - Manufacture of derivatives of : en
  • US2303880A - Dispensing device : en
  • DE728906C - Electromagnetically adjustable valve : de en
  • SU62246A1 - Artificial horizon for aircraft : en ru
  • SU62474A1 - The method of applying a coating layer of liquid glass on concrete surfaces : en ru
  • US2303361A - Electromagnetic drive : en
  • AT160886B - Synchronizing circuit : de en
  • AT160888B - Central heating boiler for log fires : de en
  • CA408935A - Liquor cabinet : en fr
  • PL31127B1 - flskania-Werke flktiengesellschaft, Berlin Piston valve, especially for water level regulators Jp \ C \ s ** Ao f * : en pl
  • SU62429A1 - Device to compensate for axial force in axial blower machines : en ru
  • SU62517A1 - Vacuum oil separator divider : en ru
  • SU62623A1 - Flotation separation method for wolfenite and cerussite : en ru
  • SU62447A1 - The method of obtaining NN'-di- (4-dibutylaminophenyl) -urea : en ru
  • US2303369A - Cooling device : en
  • SU62229A1 - Automatic device to rotate the bottom of the straw collectors : en ru
  • US2303658A - Method of coating phenol reactors and the like : en
  • PL31073B1 - A way to increase the efficiency of water desalination equipment : en pl
  • SU62690A1 - Spring : en ru
  • SU62701A1 - Connection of pipes, mainly boring : en ru
  • SU62744A1 - Optical telegraphy device : en ru
  • DE728617C - Device on a fan to reduce the noise generated by the vibrations of the air flow through interference effects : de en
  • SU62485A1 - Metal chloride chloride flux for soldering and tinning of products from silicon-containing alloys : en ru
  • SU62519A1 - Light indicator : en ru
  • US2303977A - Hydrant cap : en
  • DE728755C - Overlay receiver with two successive intermediate frequencies : de en
  • US2303485A - Bridge-stabilized oscillator for voice frequency circuits : en
  • FR877301A - Adjustment of gas turbine installations : en fr
  • US2303372A - Loading machine : en
  • FR877183A - Machine for the automatic production of glass containers : en fr
  • DE728767C - Process for the production of acrylic acid nitrile from acetylene and hydrocyanic acid : de en
  • CA409030A - Compressor engine speed controlling device : en fr
  • US2303458A - Powder distributing apparatus : en
  • US2303572A - Method and apparatus for determining electrical conductivity of heated fluid pressure mediums : en
  • FR877316A - Grip studded strap : en fr
  • GB549628A - Improvements in or relating to control systems for stage lighting and the like : en
  • US2303688A - Well surveying method and apparatus : en
  • US2303789A - Convertible vehicle body : en
  • US2303917A - Luminescent material : en
  • DE728602C - HEPA filter for breathing apparatus : de en
  • DE728613C - Electric gas switch : de en
  • DE728763C - Hiking pillar : de en
  • FR877287A - Method for giving optical indications in transmitters of directing rays, manipulated by points and lines and intended in particular for application to heading controls : en fr
  • GB549641A - Improvements in and relating to the manufacture of ammonium sulphate : en
  • US2303395A - Method of making decorated material : en
  • DE728853C - Drive device for segment contactors : de en
  • DE728783C - Lock valve housing : de en
  • US2303557A - Rail flash welder : en
  • DE728570C - Window for gas protection masks, in which the clear pane is provided with a tip that serves as a handle and is held by a snap ring : de en
  • DE728600C - Gas mask with air flushing of the window panes : de en
  • FR877351A - Inductive tuning device : en fr
  • SU62806A1 - The method of obtaining vinyl esters : en ru
  • SU62311A1 - Device for opening and closing the bottoms of the cupolas : en ru
  • SU62433A1 - Method for calorimetric determination of O-nitroaniline in O-phenylenediamine : en ru
  • SU62575A1 - Method for reducing phosphorus content in ferromanganese : en ru
  • FR877221A - Front burner with automatic scouring for all applications and in particular for central heating boilers : en fr
  • GB549755A - Improvements in and relating to fluorescent materials : en
  • GB549764A - Improvements in display package : en
  • SU62251A1 - Method for preparing halogen-mixed benznafton : en ru
  • SU62294A1 - Method of compensating antenna errors of radio beacons : en ru
  • SU62382A1 - A device for sorting rivets, etc. products : en ru
  • SU62756A1 - Gear Testing Device : en ru
  • US2303570A - Solvent for dewaxing : en
  • US2303615A - Poultry battery : en
  • GB549721A - Improvements in methods of tuning electric circuits adapted to operate at high frequencies : en
  • SU62805A1 - The method of producing organic acid chlorides : en ru
  • US2303513A - Adhesive-applying apparatus : en
  • US2303381A - Gas turbine power plant and method : en
  • PL31117B1 - : en pl
  • SU62799A1 - Electron beam lamp : en ru
  • PL31092B1 - Device for extracting threads in double threading machines : en pl
  • SU62760A1 - X-ray mosaic photocathode : en ru
  • US2303768A - Apparatus for extracting fruit juices : en
  • CH224563A - Photographic shutter. : de en
  • IE18313L - Oil burner : en
  • FR877182A - Process and device for molding agglomerates, in particular agglomerates with re-entrant bosses : en fr
  • GB549683A - Improvements in or relating to extraction apparatus : en
  • GB549717A - Improvements in regulating systems for and the stabilisation of synchronous dynamo-electric machines : en
  • GB549728A - Improvements in and relating to bases for electric lamps : en
  • SU62770A1 - Device for automatic adjustment of electrical quantities : en ru
  • FR877273A - Rapid melt analysis process : en fr
  • SU62569A1 - The way to protect the working parts of flotation machines from rapid wear : en ru
  • DE728567C - Roll film camera equipped with a snap lock and counter : de en
  • DE728798C - Electric ironing machine with rotatable ironing roller and an ironing shoe that can be pressed onto it : de en
  • SU62358A1 - Method for elimination of defects in waterproofing of structures : en ru
  • SU62378A1 - Adaptation to differential pressure gauges to trap liquid emitted from a pressure gauge, such as mercury : en ru
  • GB549612A - Improvements in or relating to knitting machines : en
  • CH224382A - Building block. : en fr
  • DE728826C - Process for the degradation of cellulosic raw materials : de en
  • PL31100B1 - The method of obtaining fibrous material from animal skin : en pl
  • SU62611A1 - The method of obtaining vinyl-carbinol : en ru
  • PL31036B1 - Attaching the air-cooled cylinders to the crankcase : en pl
  • SU62784A1 - Device for fitting new surfaces of water rings : en ru
  • DE728497C - Process for obtaining a strong galvanic gold plating on a support : de en
  • SU62298A1 - Method for making abrasive paper or web : en ru
  • SU62725A1 - Device for reclosing high voltage : en ru
  • SU62421A1 - Dosing device for feeding the dressing trough sizing machine : en ru
  • US2303643A - Hair comb : en
  • PL31042B1 - : en pl
  • SU62339A1 - The method of heat treatment of rolls for cold rolling : en ru
  • DE728825C - Drive device for endless sieve or arithmetic belts running over guide disks : de en
  • DE728532C - Process for the preparation of oxalic ester chloride : de en
  • SU62369A1 - Cotton cleaner : en ru
  • PL31056B1 - Robert Bosch G. m. B. H., Stuttgart Wal for electric machines, especially for generators on motor vehicles or airplanes : en pl
  • PL31122B3 - Telefunken Gesellschaft fur drahllose Telegraphie m. B. H., Berlin Connection system for adjusting the lamp gain : en pl
  • AU300841A - Improvements in electric torches : en
  • CA409055A - Artificial stone making method : en fr
  • SU62272A1 - Method for correcting focusing of cathode tube electron beam : en ru
  • SU62283A1 - Electrometallization spray head : en ru
  • AU341141A - Improvements in or relating to engine connecting rods : en
  • US2303842A - Process for producing unsaturated aliphatic compounds : en
  • US2303463A - Construction materials : en
  • US2303781A - Projector mechanism : en
  • USD134454S - Design fok an automobile bumper : en
  • FR877319A - Filter for gasifiers : en fr
  • IE16366L - Seed sowing machine : en
  • US2303466A - Poultry feed : en
  • US2303486A - Machine for mixing and laying paving material : en
  • US2303756A - High silica glass : en
  • USD134452S - Design fok an automobile bumper : en
  • DE728736C - Switching device in which an alarm clock activates a contact when a bell is running : de en
  • DE728846C - Air supply for mill firing : de en
  • GB549684A - Manufacture of oxygenated organic compounds : en
  • SU62609A1 - The method of obtaining artificial varnish : en ru
  • SU62764A1 - X-ray ray detection device : en ru
  • DE728728C - Release device for stamp, hiking pillar or the like. : de en
  • DE728790C - Folding door for vehicles, in particular motor vehicles : de en
  • CH224547A - Process for the production of a copper-containing trisazo dye. : de en
  • FR877312A - Process for manufacturing esters soluble in alcohol, natural resins : en fr
  • CA409072A - Machine tool : en fr
  • GB549696A - An improvement in or relating to splined shafts : en
  • SU62516A2 - Magnetofugal submersible piston press : en ru
  • US2304010A - Swimming mitt : en
  • US2304036A - Metal insert for molded plastic articles and method of installing same : en
  • CH224384A - Reinforcing wire. : de en
  • SU62656A1 - Ironing press : en ru
  • DE728786C - Plasticizer for polyvinyl chloride and its copolymers : de en
  • CA408961A - Thermoplastic hydrocarbon dispersion : en fr
  • CH224402A - Gas generator. : de en
  • CH224538A - Gear change hub for pedal vehicles. : en fr
  • CA408921A - Means for imparting buoyancy to vehicles : en fr
  • CH224564A - Pocket size letter opener. : de en
  • PL31012B1 - Roller bearing : en pl
  • AU397141A - An improved safety shearing flexible coupling : en
  • CA408991A - Explosive cartridge end closure : en fr
  • CH224483A - Centrifugal adjuster for adjusting the start of ignition or the start of injection in internal combustion engines. : de en
  • CA408992A - Explosive cartridge : en fr
  • SU62662A1 - The method of making brilliant colored plaster : en ru
  • SU62785A1 - The method of obtaining products from gypsum : en ru
  • DE728752C - Chain tree brake for looms : de en
  • GB549729A - Improvements relating to latches for doors, windows and the like : en
  • DE728575C - Jump stamp : de en
  • GB549619A - An improvements in or relating to the cooling of gear units : en
  • US2303739A - Window and door casing construction : en
  • FR877355A - Double wall steamer : en fr
  • FR877358A - Frequency demodulator : en fr
  • USD134478S - Combination envelope opener and paper cutter : en
  • US2303444A - Modulation system : en
  • CH224489A - Electric switch. : de en
  • CH224390A - Additional warm air heating system. : de en
  • AU116268B2 - Improvements in or relating to detachable conduit couplings : en
  • CA408922A - Ram pump unloading valve : en fr
  • GB549652A - Improvements in or relating to stranded wire rope and methods of making the same : en
  • US2303709A - Subsurface prospecting : en
  • US2303761A - Clothesline prop : en
  • CH224486A - Brushes containing silver and graphite for electrical machines and apparatus. : de en
  • DE728895C - Centrifugal casting device : de en
  • SU62500A1 - Method for separating germanium from germanium-containing solutions : en ru
  • US2303561A - Toaster and control therefor : en
  • US2303679A - Method and apparatus for casting : en
  • US2303942A - Photographic process : en
  • US2304015A - Radio frequency transmission line : en
  • DE728702C - plastic : de en
  • PL31146B3 - The method of producing derivatives of amino fatty acids : en pl
  • SU62490A1 - Distributing device, for example, to hydraulic presses for feeding several piston systems with a liquid medium : en ru
  • US2303991A - Production of stainless steel : en
  • CA409076A - Chain type sawing machine : en fr
  • SU62448A1 - Tubular rod-shaped material for welding and surfacing : en ru
  • SU62675A1 - Device for automatically maintaining the same depth of cut in copy machines operating with an optical probe : en ru
  • US2303359A - Container : en
  • FR877233A - Autogenous electric resistance welding device with rod or roller electrodes : en fr
  • GB549740A - Improvements in or relating to honey comb foundation for bees : en
  • DE728837C - Method of making planographic printing plates : de en
  • US2303713A - Aircraft : en
  • US2303791A - Adhesives : en
  • AU116093B2 - Improvements in or relating to engine connecting rods : en
  • PL31154B1 - Method of obtaining stable solutions of Oleum Sinapis : en pl
  • DE728821C - Grease gun : de en
  • GB549623A - Coupling arrangement for power line carrier telephone systems : en
  • CA409073A - Storage battery : en fr
  • AU116173B2 - Improved apparatus forthe preparation of smokeless fuel from brown coal : en
  • CH224430A - Process for achieving matt black colorations on objects made of aluminum and aluminum alloys. : de en
  • DE728629C - Process for the production of high-quality phenol mixtures from phenol-containing distillation products : de en
  • FR877379A - Zipper or slider : en fr
  • CH224460A - Device for checking the position of the sound source in stereo transmission. : de en
  • CA409017A - Centre differential for multiple drive vehicles : en fr
  • AU739642A - Improvements in receivers of frequency or phase-modulated carriers : en
  • DE728585C - Electric regulator : de en
  • DE728800C - Process for the production of non-dusting, but easily disintegrating moldings by pressing from finely divided silica : de en
  • US2303595A - Device for cutting edibles : en
  • SU62213A1 - Brake device of bilateral action : en ru
  • US2303654A - Control apparatus : en
  • SU62571A1 - Vertically closed casting conveyor : en ru
  • US2303763A - Razor blade and package : en
  • CA408960A - Navigation instrument : en fr
  • DE728620C - The wheel carrier is arranged approximately vertically on the aircraft and has twin wheels lying next to each other : de en
  • US2303717A - Regeneration of contact material : en
  • US2303901A - Direct gas-fired bell furnace : en
  • US2303995A - Chemical heater for use in a system for generating gas from liquefied gas : en
  • SU62349A1 - Method of drying hydrohort : en ru
  • CA408945A - Garment : en fr
  • CA408999A - Machine bearing : en fr
  • CH224442A - Ink eraser. : de en
  • CH224524A - Advertising material for theater, slide show, variety or circus performances or for industrial plants. : de en
  • AU365741A - Improvements in or connected with scrubbers or filters for producer gas apparatus : en
  • CH224445A - Grenade launcher. : de en
  • GB549705A - Improvement in resinous condensation products : en
  • SU62698A1 - The method of drying the refractory masonry blast furnaces : en ru
  • DE728699C - Device for cross-cutting glass tubes : de en
  • DE728796C - Process for the production of a starch product from potato starch : de en
  • US2303391A - Electric condenser aggregate : en
  • US2303980A - Automobile ash tray : en
  • CH224454A - Registration device on a weighing machine. : de en
  • CA408956A - Fumigant : en fr
  • CH224396A - Emptying device on the cistern. : de en
  • US2303997A - Feeding bottle : en
  • DE1525928U - : de en
  • SU62407A1 - A device for continuously recording the derivative of a function defined graphically : en ru
  • SU62696A1 - Transverse flushing gallery for water intakes and other hydraulic structures : en ru
  • DE728637C - Catcher pill with an alkaline earth metal-aluminum alloy for electrical discharge vessels : de en
  • DK60388C - Rubber footwear, in particular rubber boots, and the method of making them. : da en
  • US2303453A - Welding timer : en
  • DE728647C - Process for obtaining fibers from brushwood, in particular Spartium scoparium : de en
  • PL31044B1 - : en pl
  • US2303909A - Transmission of electrical signals : en
  • US2303588A - Method of treating waste water : en
  • US2303859A - Cigarette dispenser : en
  • SU62708A1 - Grounded broadcast antenna mast : en ru
  • US2303664A - Heat exchange apparatus : en
  • AU494842A - Improvements relating to electric current measurement in rectifier systems comprising a floating storage battery : en
  • CH224527A - Carrying device, especially for shopping nets and the like. : de en
  • US2303488A - Process for making bread : en
  • US2303979A - Washing machine : en
  • PL31109B1 - Maybach-Motorenbau Gesellschaft mit beschrankter Haftung, 'Friedrichshafen n. B. Mechanical-hydraulic power transmission in rail motor cars and similar vehicles : en pl
  • SU62241A1 - Method of determining the ability of cuttings to sticking a drill string : en ru
  • SU62361A1 - Kitchen hearth : en ru
  • AU361341A - Improvements in or relating to machines adapted toperform bending operation on soles for, shoes : en
  • SU62515A1 - Tap : en ru
  • CH224506A - Artificial dentition. : de en
  • SU62645A1 - Shoe sole processing machine : en ru
  • SU62544A1 - Airplane wing with flap : en ru
  • CA408981A - Chemical process : en fr
  • DE728902C - Perpetual calendar : de en
  • FR877197A - Improvements to coal gasifiers for motor vehicles : en fr
  • FR877268A - Stepless adjustment for propeller controls, in particular for airplane propeller controls : en fr
  • FR877320A - Advanced wood gasifier : en fr
  • US2303414A - Process and reagent for resolving emulsions : en
  • CH224404A - Wet filters for gases, in particular smoke gases. : de en
  • AU116184B2 - Streamlined projectile : en
  • DE728772C - Measurement generator : de en
  • AU367241A - Improvements in and relating tothe preparation of chlorine dioxide and nitrogen oxides : en
  • DE728833C - Device for liquor mixing during the wet treatment of textiles in several wet treatment containers : de en
  • AU382841A - A method of washing anodes : en
  • DE728773C - Receiver for modulated high frequency : de en
  • DE728748C - Metal cloth for paper machines : de en
  • CA408963A - Jordan engine plug jacket : en fr
  • FR877365A - Balanced shut-off valve : en fr
  • GB549665A - Improvements in governing gear for engines and other machines : en
  • GB549739A - Improvements in and relating to warp knitting machines : en
  • US2303332A - Air conditioning device : en
  • US2303392A - Shear-relief valve : en
  • US2303796A - Carton : en
  • DE728588C - Protection circuit for a line network : de en
  • DE728819C - Device for supplying fuel to internal combustion engines : de en
  • SU62245A1 - The method of obtaining mineral pigments : en ru
  • SU62277A1 - Machine for unloading bulk materials from covered railway cars : en ru
  • CA409025A - Siphon system : en fr
  • US2303383A - Waistcoat : en
  • US2303585A - Garment display means : en
  • DE728626C - Dialyzer : de en
  • DE728880C - Automatic gear shift, especially for electrically operated vehicles : de en
  • FR877217A - Advanced shifting : en fr
  • FR877242A - Index card box : en fr
  • GB549663A - Improvements in and relating to electric transformers : en
  • DE728694C - Evaporator for refrigeration machines : de en
  • DE728734C - Rotary socket switch for switching on and off a main and auxiliary circuit for motors with lower power and for similar purposes : de en
  • SU62642A1 - Voltage regulation method in resistance welding machines : en ru
  • SU62530A1 - Bakery oven for Eastern national breads : en ru
  • US2303849A - Heat treating furnace and the like : en
  • USD134450S - Design for a food service stand : en
  • DE728590C - Process for the production of azo dyes : de en
  • CA409040A - Vitaminiferous oil refining process : en fr
  • CH224449A - Method and machine for measuring the skewer diameter of ampoules and for sorting the ampoules. : de en
  • US2303867A - Method of refrigeration : en
  • DE728520C - Method for determining the properties to be expected after processing of building materials, especially concrete mixes, that harden under the influence of binders : de en
  • GB549698A - Improvements in or relating to light polarizers : en
  • SU62449A1 - The method of obtaining floor roids : en ru
  • US2303409A - Suction cleaning apparatus : en
  • FR877240A - Process for manufacturing hollow bodies from any fibrous material : en fr
  • SU62296A1 - A method of making an electric cable : en ru
  • SU62501A1 - Method of preparing lacquer to obtain coatings with crystalline patterns : en ru
  • FR877354A - Viscose for spinning, in particular fine and / or hollow yarns : en fr
  • GB549622A - Improvements in or relating to apparatus for conveying material to or from a device : en
  • CA409023A - Shaving device : en fr
  • US2303592A - Renewable fuse : en
  • GB549715A - Improvements in and relating to abrasive grains : en
  • US2303929A - Device for separating adhesive stamps from paper, etc. : en
  • US2303930A - Electro-optical system : en
  • US2303496A - Circuit interrupter : en
  • US2303502A - Draft proof shower curtain : en
  • FR877220A - Opening fork anti-theft padlock : en fr
  • SU62643A1 - Safety device for cutter knives, etc. cars : en ru
  • SU62367A1 - A method of making prints for copying them on photosensitive papers : en ru
  • SU62669A1 - Device for electron-optical image conversion : en ru
  • SU62809A1 - Attachment to sewing machines for feeding stitched products to the needle : en ru
  • US2303837A - Building construction : en
  • SU62480A1 - Cooling system control device : en ru
  • SU62663A1 - Kapsel for firing ring-shaped ceramic products : en ru
  • US2303703A - Method of dewaxing mineral oils : en
  • US2303704A - Temperature responsive device : en
  • DE728802C - Process for the production of solid lactic acid preparations : de en
  • SU62775A1 - Apparatus for extracting gases from cans and the like cans : en ru
  • SU62542A1 - Pile driver : en ru
  • US2303630A - Electrical fixture : en
  • US2303670A - Stanchion for trolley vehicles : en
  • FR877173A - Improvements to electric ignition devices for internal combustion or internal combustion engines : en fr
  • GB549609A - Improvements in sleeve-valve internal-combustion engines : en
  • US2303797A - Air-cooled aircraft engine : en
  • GB549617A - Improvements in or relating to electrical heating devices or appliances : en
  • SU62700A1 - Method for separating potassium bitartrate from felling fluid used in determining sugar : en ru
  • PL31120B3 - The method of producing alcohol : en pl
  • PL31148B1 - A method of producing an acid solution of calcium sulphite for the pulp industry : en pl
  • US2303418A - Weather strip : en
  • SU62632A1 - Method of grinding sheet glass : en ru
  • US2303878A - Typewriting machine : en
  • DE728781C - lubricant : de en
  • DE728669C - Connection of machine parts through eccentric tapping : de en
  • SU62558A1 - Room double Russian stove : en ru
  • CH224414A - Process for the production of synthetic threads from polymers by the wet method of synthetic threads produced by the process and device for carrying out the process. : de en
  • SU62420A1 - The method of obtaining protective coatings on products made of aluminum and its alloys : en ru
  • US2303362A - Process for the production of isobutylene and its dimer : en
  • FR877178A - Cutting speed indicator for machine tools : en fr
  • US2303480A - Method of producing handle portions : en
  • FR877252A - Improvements to processes for vulcanizing rubber, balata, gutta-percha, synthetic rubber or similar substances, their mixtures and their latices : en fr
  • FR877295A - Shoe assembly machine : en fr
  • SU62654A1 - Photoelectric colorimeter : en ru
  • US2303582A - Treatment of organic sulphates : en
  • US2303690A - Dispensing device : en
  • DE728724C - Device on gas-tight speech pipes, in which a mechanical signaling device is attached to the speech pipe to call the other station : de en
  • DE728733C - Thickening of the electrolyte in dry electrical elements : de en
  • DE728828C - Switch for television receivers : de en
  • FR877161A - Revolver lathe with horizontally mounted revolver head with spindle placed on the side of the machine controls in combination with a transverse carriage that can be lowered obliquely : en fr
  • FR877373A - Armature manufacturing process particularly for small magneto-electric machines : en fr
  • GB549687A - A temporary securing bolt : en
  • FR877341A - Longitudinal and transverse impedance quadrupole for ultrashort waves : en fr
  • FR877362A - Electric heater : en fr
  • DE728743C - Liquid level indicator : de en
  • US2303575A - Frequency multiplier : en
  • FR877189A - Improvements to ultra-shortwave generators incorporating a braking field lamp : en fr
  • FR877222A - Container for transporting hygroscopic materials : en fr
  • US2303422A - Method of canning : en
  • US2303828A - Method of preventing sticking of vinyl resin sheets : en
  • US2303922A - Body exerciser : en
  • US2304049A - Photographic apparatus : en
  • DE728799C - Machine for cutting stacks of paper, the saddle of which is driven by a fluid piston gear : de en
  • DE728917C - Drive device for weir locks : de en
  • PL31149B1 - A device for maintaining steam locomotives : en pl
  • SU62432A1 - The method of producing saponins : en ru
  • US2303629A - Porous article of bonded granular material : en
  • US2303547A - Method of refining hydrocarbons by cracking and catalysis : en
  • US2303461A - Shoe sewing machine : en
  • DE728621C - Arrangement of the pressure oil lubrication in a briquette extruder : de en
  • DE728811C - Automatically regulated, low-frequency transmission system in terms of dynamics : de en
  • SU62312A1 - Method of forming propellers : en ru
  • SU62406A1 - Method of impact rotational drilling : en ru
  • US2303549A - Method for making bromo-chloralkanes : en
  • GB549659A - Improvements in and relating to building units : en
  • US2303663A - Motor fuel manufacture : en
  • US2303952A - Relay : en
  • DE728757C - Body made of synthetic resin molding compound : de en
  • SU62778A1 - Lentotkatsky machine : en ru
  • US2303889A - Apparatus for manufacturing pottery ware : en
  • CH224423A - Bran brush machine. : de en
  • SU62582A1 - Machine for planting beet roots, etc. : en ru
  • PL31038B1 - Karl Schmidt G, m, b, H ,, Neckarsulm Machine parts, especially worm wheels, conical wheels, gear wheels and the like, subject to rolling away during operation : en pl
  • GB549681A - Improvements in or relating to turbine blades : en
  • SU62601A1 - Smoke exhauster : en ru
  • CH224395A - Actuating device for drain valves, in particular for toilet, bidet and bath drains. : de en
  • FR877327A - Telecommunications cable with weak magnetic couplings : en fr
  • IE17848L - Luminescent materials : en
  • GB549680A - Improvements in and relating to a fluid bottle : en
  • PL31045B1 - Kohlenscheidungs-Gesellschaft mit beschrankter Haftung, Berlin Coal-dust furnace : en pl
  • US2303577A - Portable refrigerating apparatus : en
  • USD134480S - Design fob a candlestick : en
  • SU62360A1 - Centrifugal mill : en ru
  • SU62709A1 - Automatic thermostatic valve : en ru
  • US2304028A - Truck body construction : en
  • US2303495A - Rung or dowel fastener : en
  • GR10008B - METHOD AND DEVICE FOR SIMULATING THE DIMENSIONS OF PIPES AND SIMILAR. : el en
  • DE728822C - Damper device for string instruments : de en
  • SU62341A1 - Method of gas carburizing tool : en ru
  • SU62670A1 - Device for detecting defects in products : en ru
  • FR877218A - Devices allowing the substitution, in internal combustion engines, of gasoline, petroleum or fuel oil by acetylene, lighting, butane or other similar gases : en fr
  • GB549731A - Improvements in or relating to the production of improved fatty material : en
  • DE728723C - Arrangement for foot lever, especially for motor vehicles : de en
  • FR877210A - transformable element for constituting electrical installations : en fr
  • DE728914C - Anti-theft device acting on the steering device of motor vehicles : de en
  • DE728643C - Process for processing film waste u. Like. From cellulose esters or ethers : de en
  • DE728860C - Process for working up high-boiling hydrocarbon oils : de en
  • DE728655C - Electric roller of roller alleys, especially of rolling mill roller alleys : de en
  • DE728770C - Mobile excavator equipment : de en
  • US2303442A - Electrical relay : en
  • US2303520A - Dispenser for rolled sheet material : en
  • SU62292A1 - Cable coupling : en ru
  • SU62540A1 - Claws for grabbing loads, such as hay, etc. : en ru
  • DE728710C - Two-part hood for motor vehicles : de en
  • DE728675C - For directly controlled feed water valves, shaft seal suitable for high pressures and temperatures : de en
  • DE728806C - Method of making planographic printing plates : de en
  • SU62559A1 - Fitting to a tractor for measuring the treated area : en ru
  • SU62750A1 - The method of hardening the product : en ru
  • US2303482A - Razor sharpener : en
  • FR877376A - Rayon winding and milling process : en fr
  • DE728631C - Railway pressure device : de en
  • DE728858C - Separation of gas mixtures in several diffusion cells connected in series : de en
  • PL31011B1 - : en pl
  • PL31125B1 - Company C. & R. Brenninkmeyer, Berlin Trailer for clothing labels or the like : en pl
  • SU62681A1 - Device for regulating fuel supply in engines Diesel with pneumatic fuel spraying : en ru
  • US2304031A - Reversing drive mechanism : en
  • CH224389A - Heating system. : de en
  • US2303483A - Electrical attachment plug : en
  • CA408934A - Step-ladder : en fr
  • US2303410A - Preset frequency rejection in intermediate frequency amplifiers : en
  • CA408989A - Rubber vulcanization accelerator : en fr
  • DK60381C - Heating furnace, in particular for heating glass sheets in connection with their curing. : da en
  • US2303566A - City-chicken machine : en
  • DE728658C - Screw slot clamp for electrical lines : de en
  • DK60382C - Tool for Window Cleaning. : da en
  • CH224520A - Receiver for frequency modulated waves. : de en
  • CH224443A - Wind chest for organs and organ-like instruments. : de en
  • SU62287A1 - Method of lining of oil storages and other non-metallic tanks : en ru
  • US2303696A - Apparatus for manufacturing thread or the like : en
  • SU62772A1 - The method of cleaning picric acid : en ru
  • US2303612A - Web-washing apparatus : en
  • USD134455S - Design for a refrigerator cabinet : en
  • CA408941A - Aeroplane safety device : en fr
  • CA408944A - Hameless horse collar : en fr
  • AU116185B2 - Improvements in and relating tothe preparation of chlorine dioxide and nitrogen oxides : en
  • CA409041A - Vitamin containing material refining process : en fr
  • CA409049A - Steering gear for vehicles : en fr
  • CA408962A - Jordan engine plug jacket : en fr
  • SU62561A1 - Tool for coupling agricultural implements, for example, shok : en ru
  • USRE22226E - Pressure : en
  • CH224383A - Truss nodes, through which more than two struts provided with connecting pieces are connected. : de en
  • CH224458A - Talking machine with plate changing device. : de en
  • CH224560A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • CH224512A - Dismountable plunger injection syringe. : de en
  • PL31155B1 - The method of making textiles resistant to the action of water and the method of producing articles used for this purpose : en pl
  • US2304037A - Propellent explosive charge : en
  • PL31135B1 - Device for connecting two cable wires by means of a coupling with slip rings : en pl
  • BE447710A - : fr
  • GB549654A - Improvements in and relating to electric resistors : en
  • SU62584A1 - Drainage at hydrostation : en ru
  • SU62747A1 - The way to improve the quality of alumina cement : en ru
  • US2303695A - Differential rudder for airplanes : en
  • US2303805A - Apparatus for making sheet glass : en
  • CH224516A - Prepayment device. : en fr
  • PL31076B1 - C. Lorenz flktiengesellschaft, Berlin - Tempelhof Generator of relaxation vibrations producing circular or rectangular pulses : en pl
  • SU62598A1 - Device for automatic control of dust mills : en ru
  • US2303641A - Gyroscopically operated indicator for aircraft : en
  • US2303875A - Remote control system : en
  • CA408937A - Fire box door : en fr
  • DE728692C - Process for the production of high percentage alkali metal cyanides from alkali metal cyanide solutions : de en
  • GB549754A - Improvements in and relating to electric lighting fixtures : en
  • SU62218A1 - Electrode for ultra high pressure mercury lamps : en ru
  • SU62263A1 - Apparatus for measuring levels of liquids in wells : en ru
  • SU62695A1 - Suction nozzle : en ru
  • PL31157B1 - I. G. Farbenindustrie flktiengesellschaft, Frankfurt n. M. Melted saltpeter bath, not decomposing : en pl
  • CA408986A - Rubber vulcanization accelerator : en fr
  • DE728746C - Device for measuring the cutting pressure during machining : de en
  • DE728619C - Induction furnace : de en
  • DE728678C - Surge arresters : de en
  • AU467342A - Germicide : en
  • DE728683C - Electromagnetic device for detecting cracks in magnetizable workpieces using the magnetic powder method : de en
  • DE728760C - Shoe glue press with free-standing pressing points : de en
  • FR877232A - Adaptation of a wooden sole to the so-called welt-made shoe : en fr
  • CH224388A - Heater. : de en
  • FR877339A - Process for manufacturing substantive azo dyes : en fr
  • CH224518A - Alternating current generator. : en fr
  • CH224393A - Compact, in particular briquette, method and rotating briquette press for its production. : de en
  • CH224493A - Process for the production of an indirectly heated cathode for electrical discharge tubes and cathode produced according to this process. : de en
  • SU62587A1 - Seed Impaction Machine : en ru
  • SU62612A1 - Distillation Column : en ru
  • SU62736A1 - Inset mechanism for circular grinding machines : en ru
  • FR877259A - Process for gas drying : en fr
  • FR877377A - Tool holder with cone clamping jaws for small fully hardened profile tools : en fr
  • PL31071B1 - A method of transmitting signals by means of telecommunication devices, adapted to carry out an alternation of telephone and telegraphic connections, according to which the transmission of telegraph signs and connection criteria is performed by sending audio signal currents within a frequency band and a device for transmitting signals by this method : en pl
  • US2303675A - Hand guard : en
  • US2303986A - Manicure packet : en
  • SU62494A1 - The method of obtaining 1-alkylamino-4-sulfo-2-benzoic acids : en ru
  • CA409006A - Multiple hearth calcining furnace : en fr
  • CA408993A - Sulphamic acid manufacture : en fr
  • US2303851A - Brake piston packing cup removing device : en
  • DE728874C - Shearing device for vertical narrow-chamber weldments : de en
  • SU62216A1 - Electric furnace for smelting corundum blocks : en ru
  • GB549638A - Improvements in and relating to electric delayed action relay switch mechanism : en
  • US2304016A - Salt-bath furnace : en
  • FR877336A - Metal vapor current rectifier with liquid cathode and ignition electrode immersed in the liquid metal of the cathode : en fr
  • PL31066B1 - A method of storing fresh feed and an apparatus for carrying it out : en pl
  • FR877308A - Enhancements to Circuit Control Devices : en fr
  • CH224425A - Device for dewatering mass suspensions, especially fibrous materials. : de en
  • GB549693A - Improvements in distributor valves for vacuum operated servo devices : en
  • PL31021B1 - : en pl
  • US2303692A - Calculating machine : en
  • SU62257A1 - Device for overcurrent protection of generator voltage tires : en ru
  • SU62477A1 - Adaptation to the camera for macro and microphotometry : en ru
  • US2303835A - Method of sweetening sour petroleum distillates : en
  • CA408952A - Surface heat exchanger : en fr
  • FR877289A - Precision automatic tuning device, intended to achieve synchronism between transmitter and receiver, especially in devices with only one transmission channel : en fr
  • DE728912C - Disengagement control for crank or eccentric presses with sliding pin clutch : de en
  • SU62493A1 - The method of obtaining colored glass : en ru
  • US2303434A - Electrical switch : en
  • US2303969A - Pump : en
  • USD134468S - Design for a pin or the like : en
  • GB549637A - Improvements in concrete silos : en
  • US2303406A - Combustion apparatus : en
  • US2303783A - Manufacture of metal fluorides : en
  • SU62352A1 - Piston Ring Crimper : en ru
  • US2304030A - Reversible power transmission : en
  • SU62586A1 - Adaptation to theodolite for optical centering relative to the frame : en ru
  • SU62282A1 - The method of trapping sulfur dioxide and sulfuric acid cuff : en ru
  • SU62345A1 - The method of manufacture of multi-layer construction plates : en ru
  • US2303971A - Card rack : en
  • DE715570C - Process for soaking combustible materials, such as wood, with aqueous solutions of fire protection salts : de en
  • GB549640A - New anthraquinone vat dyes : en
  • FR877176A - Jacks development : en fr
  • FR877360A - Method for determining the yield, elasticity, and tensile strength of textile products, paper, rubber, plastics, metals and the like : en fr
  • DE728581C - Guide horn for self-actuating rigid central buffer couplings, especially on rail vehicles : de en
  • DE728601C - Protective gas mask made of thin, gas-tight material, which is stiffened to prevent breathing from algae : de en
  • AT160889B - Device for the production of seamless, electrically conductive connections between two abutting parts : de en
  • CA408998A - Alloy-skeleton catalyst : en fr
  • SU62649A1 - Device for putting cameras in tires : en ru
  • US2303355A - Method of inking : en
  • US2303711A - Accumulator control valve : en
  • DE728574C - Suction head for suction excavators : de en
  • SU62291A1 - Device for catching in the upper position of the hammer with a chisel pylon cutting machines : en ru
  • SU62557A1 - Photocell : en ru
  • US2303580A - Semitrailer : en
  • US2303730A - Electric circuit breaker with compressed fluid blowout : en
  • SU62278A1 - Boat for drawing glass in the form of a tape : en ru
  • US2303668A - Automatic hook setting device : en
  • SU62625A1 - Device for removing characteristics of electronic tubes : en ru
  • PL31015B1 - H \ A? Hkk ~? / GJ Automatic pressure switch : en pl
  • SU62225A1 - Self-interrupting continuous electrode : en ru
  • SU62442A1 - Device for cross cutting rubber bands : en ru
  • SU62450A1 - Method and installation for the regeneration of lubricating oils : en ru
  • SU62686A1 - Device for correcting the primary electric clock : en ru
  • USRE22228E - Ventilator attachment : en
  • US2303926A - Attachment for windshields : en
  • US2303944A - Conversion of hydrocarbon oils : en
  • PL31050B1 - : en pl
  • SU62602A1 - Electrode arc welding : en ru
  • US2303363A - Process for rendering textiles water-repellent and product therefrom : en
  • USD134458S - Design foe an airplane : en
  • CA409047A - Magnesium carbonate composition : en fr
  • DE728750C - Device for determining the steepness of light-sensitive layers for image or sound recordings : de en
  • GB549602A - Improvements in refrigerating system : en
  • DE728915C - Sound transmitter, especially for acoustic echo sounders : de en
  • SU62594A1 - Deviation playground : en ru
  • FR877162A - Process for extracting organic acids or their salts from cork and products obtained : en fr
  • US2304008A - Combined recoil drive : en
  • DE728618C - Process for the treatment of structures obtained by spinning protein solutions : de en
  • CA408929A - Tension lock bolt : en fr
  • CH224435A - Newspaper holder. : de en
  • CH224492A - Quenching spark gap. : de en
  • US2303921A - Domestic appliance : en
  • US2303403A - Resistance or fuse wire : en
  • US2303421A - Apparatus for packaging articles : en
  • US2303978A - Collapsible supporting stand : en
  • DE728778C - Device for keeping the consumer voltage drawn from a constantly loaded battery constant : de en
  • BE447563A - Automatic locking differential mechanism, in particular for automobiles : en fr
  • SU62532A1 - Method of dehydrating sodium sulfate : en ru
  • CA408995A - Filamentary structure production : en fr
  • SU62651A1 - Centrifugal Fluid Regulator : en ru
  • FR877307A - Non-flammable, rot-proof, water-repellent and indelible coloring material : en fr
  • US2303808A - Fluid-flow control means : en
  • US2303975A - Automatic transmission : en
  • CH224457A - Talking machine comprising a disc changer of the type with automatic disc change and with a stack of discs carried by lateral supports. : en fr
  • GB549733A - Improvements in and relating to quick-release buckles : en
  • CH224507A - Menstrual bulge. : de en
  • DE728610C - Folding box with flap and flap flaps : de en
  • DE728857C - Process for preparing full blocks for extrusion of pipes : de en
  • SU62665A1 - Device for regulating the magnitude of negative feedback : en ru
  • CA409063A - Drilling fluid conditioning method : en fr
  • US2303705A - Handle for saw frames : en
  • US2303738A - Transmission assembly : en
  • AT160883B - Magnesium alloy : de en
  • CH224521A - Device for electrical remote setting of a small radio device, in particular an on-board radio device. : de en
  • DE728662C - Process for the production of artificial masses : de en
  • US2303846A - Printing telegraph apparatus : en
  • USD134495S - Design for a jacket : en
  • FR877302A - Wavelength switch for radio receiving devices : en fr
  • FR877388A - Device intended to produce electrical oscillations the frequency of which is modulated in proportion to the amplitude of a modulating oscillation : en fr
  • CH224513A - Mascara machine. : de en
  • FR877382A - Improvements to tedders or similar agricultural machines : en fr
  • PL31082B1 - A method of producing porous building materials by forming and bonding a mixture of cement and inert filler materials : en pl
  • US2303538A - Clothes wringer : en
  • SU62320A1 - Device for protecting electrical installations with a tightly grounded neutral against earth faults : en ru
  • SU62688A1 - Furnace for the redistribution and preparation of slags : en ru
  • SU62496A1 - Instrument for determining the oxygen content in water : en ru
  • USD134493S - Design for a dress : en
  • CH224476A - Cutting member for use in dry razors. : de en
  • CH224510A - Gel dry cleaning agent and process for its manufacture. : de en
  • CH224422A - Device for connecting trousers and shirt blouse. : de en
  • US2303574A - Ruler : en
  • US2303887A - Method and apparatus for the manufacture of pottery ware : en
  • PL31061B1 - Bates International Bag Company, New York, N. Y. B & 5/0 y1 $ Bag filling machine : en pl
  • CH224413A - Process for the production of artificial fibers. : en fr
  • CH224432A - Process for the continuous production of hectographic color paper. : de en
  • DE728817C - Method for lowering the viscosity of viscose : de en
  • CH224398A - Float device on liquid containers. : de en
  • US2304014A - Vacuum cleaner : en
  • SU62714A1 - The method of processing the optical surfaces of nitrate : en ru
  • AT160890B - Drive device for motor vehicles : de en
  • CA409048A - Steering gear for vehicles : en fr
  • US2303544A - Ceiling supporting device : en
  • US2303974A - Outer garment for women : en
  • SU62704A1 - Method for preparing phenylacetic acid and its esters : en ru
  • SU62742A1 - Method for producing active manganese dioxide and copper sponge : en ru
  • US2303420A - Pastry cone provided with sanitary shield : en
  • SU62677A1 - Releasing adapter : en ru
  • FR877215A - Automatic lighting device with dynamo and accumulator battery : en fr
  • CH224530A - Baby carriage. : de en
  • SU62556A1 - Dryer with drying chambers : en ru
  • US2303389A - Radio shielded spark plug : en
  • US2303460A - Electric heating apparatus : en
  • PL31059B1 - : en pl
  • SU62673A1 - Device for transmitting linear distances : en ru
  • PL31084B3 - Karol Schóeneich, Warschau Weapons for steel concrete structures : en pl
  • SU62640A1 - Device for transporting liner paper in liner apparatus of liner and cigarette machines : en ru
  • US2303614A - Time control lock : en
  • CA408939A - Electrostatic condenser : en fr
  • SU62293A1 - Device for determining the oil content of passable rocks by the luminescence method : en ru
  • SU62659A1 - Purification method of coumarin : en ru
  • SU62504A1 - Serial Transformer for Longitudinal Compensation Device in High Voltage Lines : en ru
  • US2303682A - Divided adjustable calked-plate attachment for shoe soles : en
  • SU62415A1 - Piston, engine with external combustion chamber : en ru
  • DE728547C - Process for the production of water gas from coke and gaseous hydrocarbons : de en
  • DE728855C - Mud scraper for pits with a bridge supporting the mud scrapers : de en
  • FR877349A - Process for the preparation of polymethine dyes and products obtained by this process : en fr
  • GB549613A - Improvements in or relating to the preparation of concentrated edible products from invertebrates : en
  • CA409008A - Tire valve stem : en fr
  • AU116156B2 - A supporting means for use in adjusting roughcut edges of silvered mirrors by nipping : en
  • AU341041A - Improvements in or relating tothe cooling of pistons of internal combustion engines : en
  • SU62393A1 - Internal combustion engine with rotating cylinders : en ru
  • SU62256A1 - Device for longitudinal compensation of inductive voltage drop in a transmission line : en ru
  • DE728813C - Quadrupole with non-linear resistors : de en
  • US2303686A - Typewriter margin justifier : en
  • USD134473S - Design for a fire alarm box fkont panel : en
  • USD134494S - Design for a jacket : en
  • CA409003A - Electric switching apparatus : en fr
  • CH224441A - Copy machine for perforated film tapes. : de en
  • CH224561A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • FR877235A - Operating table : en fr
  • CH224469A - Thread cutting tool holder placed on the slide of a normal lathe with a main body that can be slid at an angle to the direction of slide movement. : de en
  • CH224474A - Method and apparatus for making flexible plates and winding them into hollow rods. : de en
  • US2303896A - Hack saw grinding fixture : en
  • US2303429A - Pilot-wire protective relaying apparatus : en
  • US2304034A - Building construction : en
  • US2303413A - Seismometer : en
  • PL31030B1 - : en pl
  • SU62269A1 - Seed for initial removal of metal ingot from the mold : en ru
  • US2303634A - Sink construction : en
  • US2303674A - Marking device : en
  • US2303684A - Portable conveyer : en
  • US2303910A - Thermostatic control mechanism : en
  • SU62205A1 - Shutter for hydraulic structures : en ru
  • SU62553A1 - Self-dumping platform for unloading carts with bulk cargo : en ru
  • SU62679A1 - A device for dressing grinding wheels forcibly rotated with an abrasive pencil : en ru
  • US2303578A - Cleaning machine : en
  • US2303653A - Spring suspension for wheeled vehicles : en
  • FR877292A - Process for the separation of hydrogen phosphides from gases, in particular acetylene : en fr
  • SU62398A1 - Method for producing vitamin C concentrate from pine needles : en ru
  • US2303427A - Insulation : en
  • FR877391A - Electric current switch, in particular circuit breaker with pressure arc extinguishing : en fr
  • CH224447A - Front sight with rake box for weapon storage with fine side alignment pins. : de en
  • SU62635A1 - A method of obtaining rigid characteristics of asynchronous motors : en ru
  • CH224548A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • PL31032B1 - : en pl
  • SU62638A1 - The mechanism for driving the scissors of the circular bowl machine : en ru
  • US2303622A - Storage battery : en
  • US2303903A - Knitting machine : en
  • DE728449C - Additional gripper : de en
  • GB549724A - Improvements in snap-action electric switches : en
  • DE728797C - Dough kneading machine : de en
  • GB549635A - Improvements in and relating to devices for automatically stopping a talking machine provided with means for changing discs automatically : en
  • US2303754A - Pineapple sorting apparatus : en
  • US2303778A - Soil pipe : en
  • FR877160A - Adjustment, independent of the direction of rotation, of the welding current intensity of DC generators with transverse reaction by offset of the brushes : en fr
  • CH224504A - Cuff intended to be applied to a limb for the purpose of ligating it or fixing a medical device. : en fr
  • DE728742C - Hall door composed of individual panels : de en
  • DE728898C - Heating system : de en
  • CH224462A - Gear part for precision mechanical apparatus. : de en
  • US2303699A - Actuating device for brakes and the like : en
  • US2303710A - Brake : en
  • FR877185A - Improvement in two-speed compressor controls for flying machine engines : en fr
  • FR877315A - Improvements to lamp bases : en fr
  • US2304053A - Stocking and method of knitting : en
  • FR877306A - Process for preparing azo dyes for printing on fabrics : en fr
  • DE728827C - Arrangement for establishing a connection in telex switching systems with self-connection operation : de en
  • US2303613A - Heat transfer apparatus : en
  • US2303759A - Eraser : en
  • GB549706A - Improvements in or relating to crimping, indenting and like machines, particularly applicable to the production of artillery ammunition : en
  • GB549748A - Improvements in burners of petrol and like stoves : en
  • FR877208A - Device for capturing and reducing water vapor in a gasifier : en fr
  • US2303435A - Electrical apparatus : en
  • CH224455A - Wattmeter device. : en fr
  • FR877266A - Corrugated iron crampon : en fr
  • FR877380A - Socket with plug for power lines : en fr
  • AT160880B - Visual file with sheets of leaves lying on top of each other in scales : de en
  • PL31041B1 - : en pl
  • DE728445C - Overlay on photographic elements and method of manufacture : de en
  • DE728788C - Foldable speaking head with hinge axis without harmful thread play : de en
  • CA409038A - Plasticized resin : en fr
  • CH224472A - Process for the production of workpieces from hardenable aluminum alloys with high and uniform strength properties, as well as a workpiece produced according to this process. : de en
  • SU62350A1 - Surface Heat Exchanger : en ru
  • FR877206A - Improvements to vehicles, methods of manufacturing vehicle rims and in particular bicycle rims : en fr
  • DE728889C - Automatic loading device for locomotive firing : de en
  • SU62403A1 - Oil ramp holder : en ru
  • FR877214A - Rotor with sliding contacts for machines and electrical devices : en fr
  • DE728593C - Process for the production of durable ferrocarbonate preparations : de en
  • DE728717C - Shipping channel tunnel with a device to remove obstacles in the fairway : de en
  • FR877191A - Taps and valves with movable jacket shut-off, guided cap and variable hydraulic thrust float, made of metal or replacement materials and transformers for used taps : en fr
  • GB549743A - Improvements in electric lighting fittings : en
  • FR877397A - Process for the manufacture of writing and drawing leads, resistant to humidity, in coloring matters, fillers and binders : en fr
  • GB549671A - Improvements relating to electric switching mechanism for multiple way adapters : en
  • DE728595C - Pot handle : de en
  • DE728703C - Process for the extraction of metals from ores by chlorination : de en
  • SU62583A1 - Peat trailer : en ru
  • SU62757A1 - A method for extracting pyrethrins from Dalmatian chamomile, etc. of plants : en ru
  • AU363441A - Production of polymeric materials withan improved resistance to water : en
  • CH224473A - Process for the production of mechanically highly stressed workpieces from hardenable aluminum alloys, as well as a workpiece produced according to this process. : de en
  • US2303893A - Dynamo-electric machine : en
  • US2303907A - Multichannel signal transmission : en
  • SU62247A1 - Device for attenuating artificial horizon correction on bends : en ru
  • SU62514A1 - Pipe cutting machine : en ru
  • SU62518A1 - The method of obtaining the specified character of the scale of the logometer with intraframe magnet : en ru
  • PL31051B3 - : en pl
  • US2303489A - Rerailing device : en
  • US2303531A - Sanding and polishing tool : en
  • US2303943A - Automatic carriage-return mechanism for typewriters : en
  • PL31138B1 - : en pl
  • US2303625A - Closing ring for containers : en
  • US2304026A - Oven-tray stabilizer : en
  • FR877378A - flax sheller : en fr
  • US2303648A - Burner : en
  • US2303743A - Pipe joint fastener : en
  • CH224406A - Process for the elimination of phosphorous hydrogen from gases, especially acetylene. : de en
  • FR877211A - Method of reproducing the human voice on a keyboard instrument : en fr
  • GB549700A - Improvements in or relating to the propulsion of aircraft or vehicles : en
  • FR877353A - Plane brake for airplanes, composed of disturbing surfaces that can be oriented approximately perpendicular to the relative wind : en fr
  • US2303976A - Guideway or passage for machinegun ammunition belts : en
  • DE728847C - Regulation for air flow heater operated with fuel gases : de en
  • FR877286A - Electromagnetic control device for selectors : en fr
  • US2303624A - Door lock : en
  • PL31017B1 - August Schnitger, Lemgo Fastening the lock, especially on bicycles or motorbikes : en pl
  • PL31116B1 - Leon Emile Remondy, Paris Impact fuse with a very sensitive, tearable point : en pl
  • FR877216A - Process for the preparation of aryl-alicyclic substituted aliphatic acids or their salt ethers : en fr
  • FR877226A - Pedal for velocipeds and motorcycles : en fr
  • US2303941A - Hinge : en
  • DE728653C - Suction pressure burner : de en
  • SU62722A1 - Method for automatic wear testing of non-self-fabricated time relays : en ru
  • SU62344A1 - The method of protection of thermal insulation coatings on limestone or magnesian coatings from atmospheric and mechanical effects : en ru
  • FR877229A - Process for the recovery of residues produced in the extraction of fats from fattened microorganisms : en fr
  • FR877361A - Device for the extraction of slag in tilting martin furnaces : en fr
  • GB549690A - Improvements in or relating to optical objectives : en
  • SU62427A1 - Filter paper preparation method : en ru
  • SU62590A1 - Locking device for blocking a stopper with a neck of a car radiator : en ru
  • US2303863A - Phase modulation system : en
  • SU62810A1 - Method for producing di- or trisodium phosphate : en ru
  • CA408990A - Brush manufacture : en fr
  • CH224431A - Machine for the production of paper, cardboard, cardboard, asbestos-cement and building boards as well as pulp from fibrous materials formed from wood, straw, rag, waste paper and similar materials. : de en
  • FR877381A - Glove : en fr
  • FR877293A - Cathode with thorium oxide paste for electric discharge vessels : en fr
  • DE728732C - Single tube amplifier circuit for ultra-short waves : de en
  • GB549606A - The concentration of aliphatic acids : en
  • DE728753C - Schuetzenschlagvorrichtung for underlay looms : de en
  • ES147688A1 - Perfections in the manufacture of tassels for powders. : en es
  • US2303377A - Communication system with voiceoperated switching mechanisms : en
  • US2304044A - Voltage regulation and rectification : en
  • US2303637A - Power transmission device : en
  • US2303370A - Poly-alkylol ketones and derivatives, and process of making same : en
  • US2303559A - Checkerwork construction : en
  • DE728608C - Ve-sighting device for by means of a cardan finely adjustable airborne weapons : de en
  • DE728635C - With a magnifying glass equipped reading device for low-lying scales, in particular of radios, telegraph devices and the like. like : de en
  • US2303751A - Automatic lock slider : en
  • USD134471S - Closure for water container : en
  • DE728720C - Photographic camera with electric light meter : de en
  • US2303527A - Carriage : en
  • USD134472S - Design fob a heater tintt : en
  • FR877311A - All-glass electron tube with socket : en fr
  • GB549660A - Improvements in or relating to a device for moistening the ink ribbons of typewriters and like machines : en
  • US2303316A - Fluid dispensing apparatus : en
  • US2304045A - Bore reflectoscope : en
  • PL31085B1 - Heinz Honnef, Berlin Electric power plant with large wind turbines : en pl
  • PL31128B1 - Rskania-Werke Aktiengesellschaft, Berlin Ln * "L Piston valve, especially for direct-acting water level regulators : en pl
  • DE728900C - Holding and tensioning device for the Roedeld wire of concrete circuits : de en
  • FR877330A - Detachable tread tire : en fr
  • FR877370A - Manufacturing process for products made from polyvinyl compounds : en fr
  • CA408957A - Plant response composition : en fr
  • SU62687A1 - Method of deposition of bonding non-conductive materials on powdered metals : en ru
  • PL31039B1 - : en pl
  • CA409012A - Inverter circuit : en fr
  • SU62340A1 - Molding method : en ru
  • PL31035B1 - Dinnies von der Osten, Ludwigsburg}, 1 and 9 * "" / Sealing ring : en pl
  • US2303806A - Butter conditioner : en
  • PL31147B1 - Method for the production of (3-indole acetic acids : en pl
  • SU62629A1 - The method of stripping wires from isolation : en ru
  • BE447602A - : en
  • CH224392A - Electric heater. : en fr
  • AU364541A - Improvements in photographic objectives : en
  • CH224480A - Process and device for the production of thermally stressed, out-of-round, slotted piston rings. : de en
  • CH224494A - Amplifier device applicable to very high frequencies. : en fr
  • FR877276A - Improvements to gasifiers : en fr
  • US2303990A - Tack changing indicator for sailboats : en
  • PL31034B1 - : en pl
  • SU62644A1 - Machine for cutting patterns of fur skins : en ru
  • SU62235A1 - Method for producing divinyl and mixtures of hydrogen and carbon monoxide : en ru
  • US2303584A - Screw conveyer : en
  • US2303728A - Baby bottle retainer : en
  • US2304035A - Camera shutter and light synchronizer : en
  • SU62599A1 - Device for automatic removal of filled containers from rotating table of dosing machines : en ru
  • US2303708A - Preservation of rubber : en
  • FR877357A - Method of rolling sections in single form or the like, formed of a wing and a core of great height and small thickness : en fr
  • DE728879C - Control for combustion electric vehicles : de en
  • GB549767A - Improvements in and relating to electrical transformers : en
  • PL31077B1 - A way to increase the sensitivity of image spreaders and the device to apply it : en pl
  • US2303715A - Grinding wheel truing apparatus : en
  • US2304004A - Coffee maker : en
  • USD134488S - Embroidered textile fabric : en
  • DE728654C - Triggering device for hiking pillar : de en
  • CH224470A - Device for preventing the shifting of parts pressed against one another. : de en
  • DE728816C - Tanning process : de en
  • SU62482A1 - The method of producing vanadium nitride : en ru
  • SU62550A1 - Splintering machine : en ru
  • SU62797A1 - Electromagnetic disc brake : en ru
  • DK60387C - Assault with locks to doors. : da en
  • PL31016B1 - : en pl
  • SU62326A1 - Electric hydro generator : en ru
  • GB549629A - Improvements in or relating to centrifugal machines : en
  • DE728693C - Process for the preparation of 4-aminostlbene-2,2-disulfonic acid-4-hydrazino-N-sulfonic acid : de en
  • SU62503A1 - A method of making wooden spoons : en ru
  • US2303504A - Treatment of metal powders : en
  • US2303649A - Stable cleaner : en
  • US2304043A - Dry shaver : en
  • SU62381A1 - Netting machine without running board : en ru
  • US2303702A - Thermostatic control device : en
  • US2303314A - Work guide for pipe reeling machines and the like : en
  • US2303598A - Combination newspaper and coin receptacle : en
  • US2303830A - Television modulator : en
  • DE728605C - Puller for longitudinally split rims : de en
  • DE728562C - Method of manufacturing composite bearing shells : de en
  • DE728714C - Beam splitter to avoid weir vibrations on overflowing weir flaps : de en
  • DE728651C - Cigar wrapping device : de en
  • US2303854A - Closure retaining spring : en
  • US2304017A - Carrier telegraph system : en
  • US2303885A - Process of preparing cellular materials : en
  • USD134498S - Design fob a dress : en
  • US2303923A - Crusher : en
  • US2303749A - Process and apparatus for tempering glass sheets : en
  • GB549655A - Improvements in or relating to voltage regulating apparatus for alternating current electric circuits : en
  • DK60380C - Diaphragm air pump. : da en
  • PL31014B3 - : en pl
  • SU62399A1 - Method of drying peat hydromass : en ru
  • SU62774A1 - Concrete processing method : en ru
  • DE728801C - Process for converting sulphite pitch or black liquor pitch into heating, propellant or lubricating oils : de en
  • DE728628C - Process for the production of waxy carboxylic acid amides : de en
  • FR877270A - Device indicating the direction of the deviations of the frequencies of two electrical oscillations : en fr
  • DE728713C - Process for the dentination of waste acids containing nitric acid, sulfuric acid and organic substances : de en
  • DE728878C - Evaporator, especially for refrigeration systems : de en
  • US2303764A - Packaging and dispensing razor blades : en
  • DE728642C - Process for processing high molecular weight, sulfur-containing condensation products : de en
  • DE728679C - Device to prevent impermissible operating states in automatically regulated electrical heating devices : de en
  • DE728708C - Solid fuel gas vehicle : de en
  • DK60375C - Connecting and branching socket for multi-wire earth cables. : da en
  • SU62685A1 - Mercury anode rectifier : en ru
  • US2303593A - Vulcanization of rubber : en
  • US2303522A - Method of manufacturing blockinglayer electrode systems : en
  • US2303380A - Sewing apparatus : en
  • PL31115B1 - A method of producing artificial fibers from viscose while recovering mixtures of hydrogen sulphide and carbon sulphide that have not been diluted with air, and an apparatus for carrying out this process : en pl
  • PL31142B1 - Deutsche Ton- & Steinzeug-Werke flktiengesellschaft, Bad Freienwalde n. Odra and Karl Biefeld, Bad Freienwalde n. Odra Resistance material for electric resistors and the method of its production : en pl
  • FR877267A - Device for the acclimatization of aircraft cabins : en fr
  • GB549746A - Improvements in and relating to electric meters : en
  • PL31098B1 - The method of making polyvinyl chloride solutions or pastes : en pl
  • US2303540A - Watch timing apparatus : en
  • AU329841A - Improved thread-milling or like device : en
  • CA408975A - Plaster board cutting machine : en fr
  • CH224550A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • CA409004A - Aliphatic secondary amine production : en fr
  • DE728634C - Device for mechanical compensation of radio feed : de en
  • SU62671A1 - Electrode holder : en ru
  • US2303740A - Method of treating fish and fish livers and resulting product : en
  • BE447562A - : en fr
  • US2303790A - Door lock : en
  • US2303352A - Method of applying cone wrappers : en
  • SU62574A1 - The method of melting waste tin bronze : en ru
  • CA408933A - Diaper : en fr
  • CA409065A - Surface spine raising machine : en fr
  • DE728896C - Machine parts made of cast iron that can be machined with cutting tools : de en
  • DE728835C - Process for the preparation of ring-alkylated 6,6'-dinitrostilbene-2,2'-disulfonic acids : de en
  • DE728665C - Device for creating straight shadow and light beam images on workpieces : de en
  • SU62572A1 - A method of manufacturing a hard metal by metal-ceramic : en ru
  • US2303587A - Conveying apparatus : en
  • US2304052A - Stocking and method of making the same : en
  • USD134462S - Multiple exhaust pipe unit for motorcycle engines : en
  • SU62375A1 - Device for controlling the thickness of non-magnetic coatings on the valves of aircraft engines, etc. parts of magnetic material : en ru
  • US2303378A - Float controlled bypass : en
  • US2303914A - Circuit interrupter : en
  • PL31133B1 - C. Lorenz flktiengesellschaft, Berlin - Tempelhof Connection system for anode voltage generation device in Braun lamps, especially in television equipment : en pl
  • US2303655A - Method of determining gas content of molten brasses : en
  • PL31099B1 - Friemann & Wolf G. m. B. H., Zwickau, Sachsen Electrical safety beacon for mains connection : en pl
  • SU62214A1 - Double Spiral Drill : en ru
  • US2303554A - Apparatus for making vulcanized rubber : en
  • SU62641A1 - Therapeutic block powder : en ru
  • SU62766A1 - Millstone set : en ru
  • DE728839C - Electrical cable covered with natural or synthetic rubber : de en
  • CH224488A - Method and device for applying sleeve-shaped parts, such as grommets made of thermoplastics, in particular polyvinyl chloride, to a carrier. : de en
  • DE728591C - Process for the preparation of monoazo dyes : de en
  • US2303800A - Method of making agitator brushes : en
  • DE728609C - Process for the production of vessels and lids or the like from a preferably ceramic base body and a one-part or multi-part outer cover part made of marble or other types of stone that is attached to it : de en
  • DE728766C - Process for the commissioning of fresh or regenerated catalysts for hydrocarbon synthesis : de en
  • CH224379A - Apparatus for growing mushrooms. : de en
  • US2303671A - Index : en
  • CH224417A - Round grippers for sewing machines. : de en
  • GB549710A - Improvements in or relating to charge forming devices for internal combustion engines : en
  • US2303397A - Alkaline detergent : en
  • US2303351A - Tamale machine : en
  • US2303464A - Distributor for internal combus : en
  • CA409021A - Composite metal element : en fr
  • CA409010A - Electrical vibrator : en fr
  • SU62680A1 - Stamp for forging bar rings : en ru
  • US2303564A - Alternating current generator : en
  • SU62729A1 - The method of optical correction of television images : en ru
  • US2303755A - Pineapple handling apparatus : en
  • US2303833A - Push button switch assembly : en
  • CA408947A - Hasp : en fr
  • CA409024A - Electric megaphone : en fr
  • SU62475A1 - Unloading device for thermoanthracite furnaces : en ru
  • SU62717A1 - The method of manufacture of mortars and concretes : en ru
  • SU62523A1 - Program thermostat : en ru
  • US2303388A - Tuning impedance for high radio frequencies : en
  • CH224534A - Spare tires for bicycles. : de en
  • SU62355A1 - Device for maintaining the speed constant of two engines : en ru
  • SU62616A1 - Device for automatic balancing of drilling tools : en ru
  • PL31152B1 - : en pl
  • USRE22227E - Bleaching agent and process of : en
  • SU62379A1 - Air Hydraulic Accumulator for Hydraulic Presses : en ru
  • FR877190A - Improvements to sounding devices : en fr
  • FR877224A - Device for reducing the adjustment margin of the grids of the rectifiers in the individual supply of the motors of a continuous rolling train : en fr
  • GB549751A - Improvements in fixing brackets for curtain rods or rails : en
  • FR877254A - Shock spray diesel doorbell : en fr
  • FR877159A - Method for preventing the troublesome formation of slag in the reaction zone of gasifiers : en fr
  • SU62807A1 - Substation protection device with double busbar system : en ru
  • CH224440A - Apparatus for end-to-end gluing of cinematographic films. : en fr
  • PL31075B1 - Device for automatic amplitude regulation in TV sets : en pl
  • US2303673A - Shelf supporting device : en
  • PL31064B1 - The method of obtaining preparations containing vitamin E. : en pl
  • PL31156B3 - A method of producing a volatile skin irritant : en pl
  • US2303890A - Control instrument : en
  • US2304032A - Reversible multispeed drive : en
  • BE447460A - : en fr
  • CH224464A - Roskopf watch movement with central seconds. : en fr
  • CH224415A - Clamping device for belt-shaped drive means. : de en
  • SU62543A1 - Antifreeze lubricator for airplane skis : en ru
  • SU62289A1 - The method of determining the quality of the oxide film : en ru
  • SU62315A1 - Control method of electromagnetic resonant relays : en ru
  • SU62368A1 - Cuvette for photovoltaic etc. colorimeters : en ru
  • CH224444A - Ski binding. : de en
  • US2303515A - Method and apparatus for constructing make-alive electrodes : en
  • PL31025B1 - : en pl
  • SU62231A1 - Truck body : en ru
  • CH224505A - Dental product. : de en
  • SU62622A1 - Method for the production of canned food (compotes) from whole block : en ru
  • US2303676A - Drafting instrument : en
  • CA409026A - Carcass refrigerating apparatus : en fr
  • AT160885B - Device for determining the location of a sound source, in particular the location of a gun : de en
  • CA409054A - Flat top sealing machine : en fr
  • BE447717A - Blackout device for light projectors, in particular for hand lanterns. : en fr
  • SU62737A1 - Method of making metallic brake bands : en ru
  • SU62715A1 - Castor oil dehydration plant : en ru
  • US2303724A - Refrigerating device : en
  • DE728718C - Shear and tree machine with directly driven boom and upstream measuring drum carried along by the threads : de en
  • US2303506A - Switching system : en
  • CA409011A - Vibrator frequency changer : en fr
  • PL31106B1 - Additional device for firing room stoves, especially wet ones : en pl
  • SU62452A1 - Interference limiter : en ru
  • SU62746A1 - Portable device for electrocontact one-sided welding of rods to sheets : en ru
  • US2303498A - Sulphonic acid esters of ketols of the cyclopentanopolyhydrophenanthrene series and process of making same : en
  • CH224522A - Sound reproduction device. : de en
  • US2303569A - Artificial tree bark and method of making : en
  • DE728815C - Device for switching over large mass tuning means : de en
  • SU62753A1 - Attachment to sewing machines for feeding stitched products to the needle : en ru
  • US2303331A - Air purification : en
  • DK60383C - Device by Ashtray drawers. : da en
  • FR877400A - Dyes of the 2-naphthalene-2-thionaphthene-indigoid series and method of manufacture : en fr
  • PL31132B1 - The method of making carbon contacts in metal frames : en pl
  • SU62276A1 - Electric motor for underwater operation : en ru
  • PL31028B1 - : en pl
  • SU62224A1 - Electronic generator : en ru
  • SU62650A1 - The method of tanning pork skins : en ru
  • US2303886A - Adjustable hinge for doors : en
  • PL31089B1 - Heinrich Korfmann jr. Maschinenfabrik, Witten Ruhr Wrebówka catching the sidewalks rushing : en pl
  • SU62306A1 - Two-stroke pre-chamber engine Diesel dual action : en ru
  • SU62767A1 - The way of facing the walls with plates : en ru
  • US2303341A - Method and apparatus for heating and vulcanizing rubber and similar matter : en
  • US2303596A - Sheet thickness gauge for continuous rolling mills : en
  • US2303963A - Method of making luminescent material : en
  • AU116160B2 - Improvements in or relating to vapourisers for suction gas apparatus using steam : en
  • US2303320A - Power adjusted implement : en
  • US2303591A - Facing plate for cementitious blocks or the like : en
  • DE728749C - Arrangement for the release of short-term discharges for exposure purposes : de en
  • US2303530A - Gauge : en
  • US2303560A - Gear puller : en
  • PL31049B1 - A device for measuring the flight time of a projectile : en pl
  • CA408938A - Electrostatic condenser and dielectric : en fr
  • CH224412A - Sight glass device for systems for the delivery of liquids. : de en
  • CH224500A - Equipment on headlights, in particular on those of vehicles, for attaching darkening attachments. : de en
  • PL31139B1 - A method of producing profiled objects from fusible synthetic materials and a device for carrying out this method : en pl
  • US2303666A - Pneumatic percussive tool : en
  • US2303687A - Thermoelectric safety control and switch : en
  • CH224536A - Saddle support device for bicycles. : de en
  • US2303500A - Welder control : en
  • US2303465A - Health or humid air cabinet : en
  • USD134457S - Design for a griddle : en
  • USPP557P - Buddleia plant : en
  • AU116162B2 - Bag lifter : en
  • CH224554A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • FR877192A - Screwing tester intended mainly for the installation of lag screws : en fr
  • SU62314A1 - Cutter Cutting Device : en ru
  • US2303691A - Method of treating rubber : en
  • CA408955A - Surface covering material curing process : en fr
  • CH224463A - Clock. : de en fr
  • US2303368A - Measuring tape : en
  • CH224481A - Winch, in particular for elevators and cable cars. : de en
  • SU62408A1 - The method of obtaining mesh mesh on round knitting machines of the English type : en ru
  • US2303953A - Circuit interrupter : en
  • US2303385A - Sheet feeding device : en
  • SU62751A1 - The method of cutting coal seams : en ru
  • USD134459S - Design for a doll or similar article : en
  • GB549604A - Improvements relating to lens grinding or polishing machines : en
  • US2303579A - Wrench : en
  • SU62549A1 - Motorcycle fitting for snow driving : en ru
  • DE728530C - Process for the production of esters or ethers : de en
  • GB549662A - Improvements in surgical bedsteads : en
  • DE728691C - Mine support : de en
  • GB549615A - Improvements in and relating to the manufacture of impregnated materials : en
  • GB549682A - Improvements in the production of water-soluble polymeric materials : en
  • AU116155B2 - Improved nozzle for bunsen type gas burners : en
  • US2303335A - Method of emplacing concrete : en
  • US2303501A - Highway or transport trailer : en
  • DE728751C - Roller with sanding belt or the like : de en
  • CH224453A - Micro hardness tester. : de en
  • SU62384A1 - Fabric guide : en ru
  • US2303935A - Ice shaper : en
  • SU62780A1 - Device for crending fabrics : en ru
  • US2303449A - Jacketed bullet : en
  • CH224408A - Roller hanger for spinner curtains. : de en
  • US2303651A - Gauge : en
  • DE728794C - Rubbish bin : de en
  • SU62211A1 - Device to control the diameter of the piston rings : en ru
  • US2303371A - Mercury switch relay : en
  • US2303492A - Circuit-breaker mechanism : en
  • CA408985A - Filament forming composition spinning apparatus : en fr
  • AU363941A - Streamlined projectile : en
  • US2303542A - Receiving system : en
  • SU62732A1 - Device for remotely turning on and off street loudspeakers : en ru
  • US2303474A - Electric switch : en
  • US2303758A - Electric lighting fixture : en
  • FR877314A - Saving hearth grate : en fr
  • SU62319A1 - Device for automatic control of electric shutter : en ru
  • SU62414A1 - Device for feeding bulk or powdery materials to filling machines or similar devices : en ru
  • SU62647A1 - Fluid reservoir : en ru
  • US2303327A - Gun mounting : en
  • DE728633C - Lever mechanism for railway safety signal boxes : de en
  • GB549725A - Improvements in or relating to sewing and like machines : en
  • SU62281A1 - Adaptation to the trencher to broaden the notch : en ru
  • US2303438A - Protective cover for machine-tool guides : en
  • US2303589A - Fluid pump : en
  • US2303741A - Checkerwork structure : en
  • US2303784A - Method of making steering knuckles : en
  • PL31026B3 - : en pl
  • SU62718A1 - The method of producing glue : en ru
  • SU62342A1 - Induction heating method of tempered steel for tempering : en ru
  • PL31145B1 - Drive mechanism for continuously changing the pitch of aircraft and propellers : en pl
  • CA409043A - Lapping machine : en fr
  • CH224523A - Antenna system on a motor vehicle. : de en
  • CA409078A - Drum brake : en fr
  • SU62208A1 - Instrument for measuring borehole curvature : en ru
  • SU62486A1 - A device for the busbars of cathode rods of an electrolytic bath for the production of aluminum : en ru
  • SU62261A1 - Gutter system : en ru
  • US2303484A - Modulated continuous-wave operation : en
  • US2303518A - Reflecting enlarger and viewer : en
  • US2304000A - Potato cutting table and treater : en
  • USD134481S - Design fob an electric lighting fixture : en
  • US2303884A - Machine for making units of plastic material : en
  • SU62761A1 - The method of obtaining 2-sulfanyl-amido-gamma-picola : en ru
  • SU62773A1 - The method of obtaining terpingidrata : en ru
  • US2303820A - Stabilizing solution of tetra-alkyl lead compounds : en
  • US2303949A - Conduit bend : en
  • SU62539A1 - The method of strengthening ash heaps, etc. of materials : en ru
  • PL31144B1 - A method of producing a thickener for printing inks : en pl
  • SU62788A1 - A device for metering water flow in pipelines : en ru
  • US2303932A - Personal cleaning composition : en
  • US2304027A - Pipe threading machine : en
  • CH224497A - Electrical discharge vessel with a non-evaporating getter. : de en
  • PL31019B1 - : en pl
  • US2303563A - Cathode ray tube and luminescent screen : en
  • PL31067B1 - Ernst Gessner Aktiengesellschaft, ftue Flat dryer : en pl
  • US2303543A - Dewaxing solvent for mineral oils : en
  • US2303611A - Television broadcast antenna : en
  • USD134474S - Design for a vacuum cleaner : en
  • SU62203A1 - Method for producing anthraquino-2-carboxylic acid : en ru
  • SU62615A1 - A device for turning off the lock stops when searching for "fold" on Gattersley looms : en ru
  • US2303323A - Valve : en
  • US2303514A - Vapor electric device : en
  • US2303898A - Television transmitter : en
  • US2303775A - Labeling machine : en
  • PL31118B1 - Method of granulating nitrate : en pl
  • US2303401A - Resistance or fuse wire : en
  • US2303742A - Stereoscopic device : en
  • US2303845A - Apparatus for the measurement of gravity : en
  • SU62362A1 - Method of centrifugal casting molds : en ru
  • SU62521A1 - The method of welding pipe with plate : en ru
  • USD134492S - Design for a dress : en
  • USPP556P - Buddleia plant : en
  • SU62510A1 - Speed measuring device : en ru
  • US2303528A - Production of artificial materials : en
  • SU62721A1 - Reaper : en ru
  • PL31108B1 - : en pl
  • CH224452A - Device for determining the static and dynamic behavior of a construction that has at least one tensioned rope. : de en
  • DE728824C - Bridge for guiding the tobacco rod of a cigarette machine : de en
  • DE728625C - Robbery device for hiking piers : de en
  • DE728740C - Method and device for testing and measuring the adaptation of the human eye : de en
  • DE728576C - Pit stamp : de en
  • FR877262A - manometric piezoelectric element : en fr
  • CA408940A - Flax pulling machine : en fr
  • FR877326A - Pick-up or diaphragm : en fr
  • CA409032A - Hydrocarbon dehydrogenation : en fr
  • US2303364A - Process and product for making textile and other material water repellent : en
  • PL31046B1 - : en pl
  • SU62548A1 - Shutter for freight car ceiling hatch : en ru
  • CA408925A - Filament production : en fr
  • CH224531A - Device for the servo-motor actuation of switching devices on change gears driven by a motor. : de en
  • DE728777C - Device for generating a current as a linear function of the sum of n independently variable currents (n> l) with the help of a direct current machine : de en
  • FR877364A - Tetra-kis-azo dyes and process for the preparation of these dyes : en fr
  • GB549605A - Combined electric motor, clotch and brake unit : en
  • CA409066A - Road curb : en fr
  • DE728598C - Device to prevent braking noise when braking for rotary movements : de en
  • SU62597A1 - Planetary gears uncensible transmission : en ru
  • DE728673C - Process for reducing the felting and shrinking capacity of woolen goods : de en
  • AT160887B - Three or polyphase transformer : de en
  • CA408965A - Electric switch : en fr
  • US2303439A - Machine for roughing shoe parts : en
  • US2303447A - Fan-type air heater : en
  • CA409059A - Colour photography : en fr
  • CH224549A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • AU384441A - Bag lifter : en
  • SU62438A1 - The method of obtaining blue pigments : en ru
  • US2303602A - Calcium tartrate production : en
  • US2303855A - Volatilizing apparatus : en
  • BE447632A - Manufacturing process for acidic condensation products, soluble in water : en fr
  • SU62694A1 - A machine for wrapping truffle varieties and the like. : en ru
  • SU62800A1 - Electric machine : en ru
  • AU116092B2 - Improvements in or relating tothe cooling of pistons of internal combustion engines : en
  • CA409075A - Filament or thread preparation : en fr
  • PL31086B1 - Method for removing carbon monoxide from light gas : en pl
  • SU62380A1 - The hatch to steamers, etc. vessels : en ru
  • SU62639A1 - Apparatus for limiting the zone served by a crane hook : en ru
  • FR877154A - Gramophone disc changer : en fr
  • FR877219A - Agricultural chopper : en fr
  • FR877321A - Process for the preparation of azo dyes : en fr
  • GB549738A - Improvements in or relating to furniture casters : en
  • PL31068B1 - A method of zinc smelting from dust containing metallic zinc : en pl
  • US2303373A - Fountain pen : en
  • US2303475A - Device for the parallel guidance of tools in performing dental work : en
  • GB549757A - Improvements in or relating to percussive rock drilling tools : en
  • SU62310A1 - A method of making composite Gall chain stars : en ru
  • US2303322A - Fibrous container manufacture : en
  • USD134449S - Anderson display rack : en
  • CH224407A - Cooking appliance. : en fr
  • CH224528A - Bag holder. : de en
  • FR877337A - Electrical cut-off device : en fr
  • SE106057C1 - : en
  • FR877205A - Assembly piece for bed assembly : en fr
  • FR877203A - Rail-road transport platform and special truck at this platform : en fr
  • GB549624A - Improvements in and relating to the repair or reconditioning of stockings or socks : en
  • FR877231A - Process for the agglomeration of fuels : en fr
  • GB549708A - Improvements in or relating to the automatic control of d.c. electric circuits for the charging of storage batteries or for other purposes : en
  • GB549626A - An improved vegetable fabric and method of producing the same : en
  • FR877278A - Mixed sound recording process : en fr
  • FR877398A - Regulating device for gasoline and liquid fuel diesel engines : en fr
  • CH224508A - Bracket for making a transport sled with the help of two skis and a stretcher. : de en
  • CA409028A - Meat chilling method : en fr
  • SU62666A1 - Telegraph switch : en ru
  • SU62692A1 - Method and device for wrapping biscuits : en ru
  • SU62667A1 - Electrical voltage regulator synchronous generator : en ru
  • SU62573A1 - Wire processing method : en ru
  • FR877247A - Multi-point gear transmission mechanism : en fr
  • CA409022A - Razor : en fr
  • SU62658A1 - The method of quenching by the induction method of bodies of complex configuration with acute angles : en ru
  • US2303317A - Engine control mechanism : en
  • US2303858A - Measuring instrument : en
  • SU62712A1 - The method of operation of the refrigeration unit : en ru
  • US2303400A - Alkaline detergent : en
  • US2303669A - Stage setting apparatus : en
  • GB549657A - Improvements in and relating to surface grinding machines : en
  • GB549647A - Improvements in coating metal supports with photographic emulsions : en
  • GB549719A - Improvements relating to women's body belts, corsets and like supports : en
  • FR877184A - Improvement in fixing cylinders and cylinder heads : en fr
  • SU62723A1 - Device to protect the x-ray tube from overload : en ru
  • USD134497S - Design for a jacket : en
  • DE728869C - Flushing pump for deep drilling purposes : de en
  • CA409015A - Balanced vibratory converter system : en fr
  • DE728632C - Power signal box without mechanical locking register : de en
  • GB549736A - Improvements relating to adhesive bandages : en
  • SU62479A1 - Device for registering moving vehicles : en ru
  • FR877310A - Turbo-compressor : en fr
  • FR877195A - Winch : en fr
  • FR877198A - Rain protection device for cycles and the like : en fr
  • US2303644A - Antenna system : en
  • SU62768A1 - Bucket for supplying sealing material to the sockets when sealing the pipeline joints : en ru
  • FR877333A - heat exchangers such as recuperators and air heaters : en fr
  • US2303490A - Unloading attachment for trucks : en
  • SU62739A1 - The method of conducting hydrogeological studies : en ru
  • US2303966A - Internal combustion engine : en
  • DE728747C - Locknut for shafts secured by a snap ring : de en
  • GB549650A - An improved device for reducing eddy-current losses in stator end plates of dynamo-electric machines : en
  • DE728606C - Wheel hub for vehicles, especially rear hub for motorcycles : de en
  • DE728711C - Rim with removable side flange : de en
  • FR877296A - Process for the manufacture of yarns and fibers having properties similar to those of wool from viscose : en fr
  • SU62388A1 - Device for planting dough in a tandyr oven : en ru
  • DE728756C - Individual dryer roller drive for paper and similar machines : de en
  • FR877194A - Machine for cutting remnants and branches : en fr
  • GB549699A - An improved method of controlling the water content of hydrocarbon fluids : en
  • DE728779C - Battery-powered electric hand lamp with two light sources arranged on different sides of the housing : de en
  • CA409071A - Brake shoe anchoring means : en fr
  • FR877299A - Mid-suspensors and shock absorbers : en fr
  • GB549689A - Apparatus for the treatment of metal and like articles with liquids or vapours for degreasing : en
  • US2303770A - Amusement device : en
  • US2303927A - Coupling : en
  • SU62434A1 - Method of attaching rubber from chloroprene rubber to metals, glass and wood : en ru
  • DE728716C - Drive a flap operated from inside a defensive body : de en
  • DE728648C - Gas mask : de en
  • DE728663C - Plasticizers : de en
  • FR877199A - Articulated cork sole : en fr
  • GB549658A - Improved apparatus for counting and measuring current impulses : en
  • GB549716A - An improved apparatus for draining air raid shelters, cellars, ships, boats and the like : en
  • US2304022A - Sound reproducing apparatus : en
  • GB549753A - Improvements in electromagnetic horn radiators : en
  • FR877256A - Improvements to single-acting reciprocating motors or machines : en fr
  • DE728674C - Process for the production of low-boiling motor fuels : de en
  • US2304021A - Welding current control apparatus : en
  • CA409044A - Magnesium carbonate composition : en fr
  • CA409053A - Ammunition : en fr
  • CA409057A - Dress shield : en fr
  • DE728603C - Storage box for breathing hoses, especially oxygen breathing devices : de en
  • SU62233A1 - Silumin Modifying Device : en ru
  • SU62419A1 - Seal the joint between the cover and the cylinder end of the internal combustion engine : en ru
  • SU62578A1 - Device for automatic pulling of square bar into the hole : en ru
  • DE728652C - Securing for clamping spindles of screw clamps : de en
  • US2303999A - Bus-bar mounting : en
  • USRE22230E - Bored-in lock : en
  • SU62252A1 - Single chamber flow meter : en ru
  • SU62678A1 - Compounding device for synchronous generator : en ru
  • US2303981A - Insecticide : en
  • FR877200A - Primer for all kinds of fabrics making them practically imperfect : en fr
  • GB549642A - Improvements in the manufacture and production of artificial threads, filaments and the like : en
  • GB549756A - Improvements relating to gas-blast circuit breakers combined with isolating switches : en
  • SU62740A1 - Machine for processing fruits subject to canning, mainly peaches : en ru
  • DE728615C - Electrical controller for any physical condition : de en
  • SU62613A1 - The method of modification of cellulose derivatives : en ru
  • FR877359A - Signal transmission : en fr
  • DE728775C - Amplifier tubes for ultrashort waves : de en
  • SU62335A1 - Apparatus for uniform distribution of mass in the mold when pressing abrasive wheels : en ru
  • AU334841A - Improvements in or relating to fuel tanks for aircraft : en
  • FR877166A - Clicking clamshell : en fr
  • GB549643A - Improvements in or relating to telephone transmitters and receivers : en
  • GB549675A - Improvements in and relating to ornamental devices : en
  • US2303870A - Slider controlled fastener : en
  • US2303916A - Process for producing compressed laminated wood : en
  • DE728630C - Device for separating the admixtures of the steam flowing down from the upper boiler drum : de en
  • US2303324A - Valve mechanism for internal combustion engines : en
  • SU62588A1 - Sprinkler head : en ru
  • SU62322A1 - Direction finder : en ru
  • USD134463S - Design for a lamp : en
  • CH224448A - Projectile rocket. : en fr
  • CH224553A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • DE728856C - Thread tensioning device, especially for slip frames : de en
  • GB549741A - Method for preventing the formation of scale in steam boilers : en
  • US2303556A - Liner hanger : en
  • GB549704A - An improved dentrifice : en
  • US2303689A - Drill pipe protector applicator : en
  • US2303948A - Humidifying construction : en
  • FR877188A - Agglomerated raw peat fuel for gasifiers, producing gas of improved quality and method of manufacturing this agglomerate : en fr
  • DE728849C - Reversing device for liquids or gases : de en
  • GB549608A - Improvements relating to dry gas meters : en
  • US2303866A - Water cooled stoker : en
  • US2303785A - Amalgamation apparatus : en
  • DE728809C - Magnetic electric machine (crank inductor) with a set of changeover springs : de en
  • US2303353A - Device for use in winding rayon : en
  • GB549762A - Improvements in apparatus for cooling soap : en
  • US2303646A - Plate printing machine : en
  • US2303748A - Machine for making lock sliders for separable fasteners : en
  • SU62264A1 - The method of regeneration and enrichment of corundum : en ru
  • FR877202A - Electric hotplate for heaters, food warmers and analogues : en fr
  • CH224499A - Electric furnace for melting magnesium and magnesium alloys. : de en
  • CH224525A - Market stall. : de en
  • US2303869A - Treatment of metals : en
  • US2304041A - Centrifugal blasting machine : en
  • GB549620A - Improvements in or relating to rotary printing presses : en
  • FR877340A - Process for the industrial preparation of mycelium from substances which accompany cellulose : en fr
  • FR877309A - Improvements to cathode ray tubes : en fr
  • FR877253A - Device for reinforcing the ends of thin-walled tubes and in particular tubular rods on board airplanes : en fr
  • GB549661A - Improvements in or relating to containers or boxes for storing safety razors : en
  • CA408982A - Aminophenol preparation : en fr
  • GB549734A - Asbestos-cement and other felted fibrous sheet material : en
  • US2303662A - Method and apparatus for producing rivets : en
  • US2303900A - Strap connector : en
  • FR877153A - Gramophone disc changer : en fr
  • FR877297A - Roof covering : en fr
  • GB549726A - Improvements in apparatus for drying grain : en
  • DE728865C - Device for combining the layers of material that are stacked on top of one another and to be dismantled in the cutting machine equipped with a vertical, preferably band-shaped knife : de en
  • US2304003A - Broom : en
  • GB549616A - Improvements in or relating to moving stairways : en
  • GB549742A - Improvements relating to machines for plucking hops and other plants : en
  • FR877345A - Calibrator device for force limit wrenches for transmitting determined torsional forces : en fr
  • DE728862C - Ring rack dryer : de en
  • SU62554A1 - Tweezer Mica : en ru
  • CA408942A - Printing press transfer device : en fr
  • SU62441A1 - The method of obtaining sulfuric acid : en ru
  • SU62365A1 - The method of preparation of small leather to tanning : en ru
  • DE728681C - Device for checking the center distance of toothed wheels rolling against each other : de en
  • GB549697A - Improvements in or relating to furnaces fired with pulverized fuel : en
  • US2303822A - Receptacle filler : en
  • GB549631A - Improvements in or relating to spark plugs and a method of making the same : en
  • GB549644A - Improvements in or relating to inductive coupling arrangements : en
  • DE728754C - Holding device for the thread start of the replacement bobbins of a bobbin replacement device : de en
  • IE16411L - Servo brake device : en
  • FR877369A - Pre-ignition chamber diesel engine : en fr
  • US2303888A - Cutting off plastic ceramic bodies from parent masses : en
  • SU62343A1 - Electrolytic Tin Refining Method : en ru
  • US2303850A - Cap : en
  • US2304011A - Method and means for making neckties : en
  • PL31129B1 - flskania-Werke flktiengesellschaft, Berlin Indirectly acting regulator : en pl
  • SU62528A1 - The method of obtaining tile tea : en ru
  • SU62614A1 - Feather pen : en ru
  • FR877196A - gas purifier : en fr
  • DE728640C - Process for the production of artificial masses : de en
  • DE728687C - Height and side lashing device on guns in mobile towers : de en
  • SU62204A1 - Method of sealing the foundations of buildings : en ru
  • US2303683A - Insecticidal composition : en
  • US2303821A - Apparatus for producing mixtures of air and pulverulent materials : en
  • US2303457A - Series speed-control units : en
  • AU116182B2 - Improvements in electric torches : en
  • US2303407A - Clutch mechanism : en
  • US2303609A - Crude oil conditioning and separating process : en
  • AU116176B2 - Germicide : en
  • US2303419A - Two-way signal transmission system : en
  • US2303581A - Network fuse protective control : en
  • FR877186A - Process and devices for the enrichment of lean gas supplied by a gasifier, improved installations and new gasifiers resulting therefrom for supplying engines : en fr
  • US2303525A - Labeling machine : en
  • US2303760A - Machine for cutting sheet metal : en
  • SU62428A1 - Spiral fin fin tube exchanger : en ru
  • SU62547A1 - Friction scraper winch : en ru
  • US2303645A - Fish reel brake : en
  • GB549713A - Improvements in or relating to machines for covering electric cables with rubber by extrusion : en
  • US2303680A - Catalyst recovery : en
  • DE728578C - Process and system for generating energy when releasing pressurized fluids, which release gases or vapors when releasing : de en
  • SU62608A1 - The method of dehydration obtained from the needles of tree species concentrates of vitamin C : en ru
  • FR877325A - Process for dyeing spools of artificial silk thread : en fr
  • FR877334A - Improvements to processes and apparatus for carbonizing wood : en fr
  • CA408936A - Cigarette package and match book : en fr
  • US2303825A - Electric circuit breaker : en
  • US2303957A - Powder conveyer : en
  • SU62595A1 - Wash cabinet for various parts : en ru
  • GB549686A - Improvements in linear dimension gauges : en
  • DE728645C - Fuel regulator for rotary valve of internal combustion engines : de en
  • DE728913C - Idler wheel support with fracture link for caterpillar vehicles : de en
  • SU62412A1 - Plow for Russian plowing : en ru
  • US2303780A - Upsetting mechanism : en
  • DE728776C - Arrangement for determining the side of a DF system : de en
  • DE728517C - Internal combustion compressors or fuel gas generators with free-flying pistons : de en
  • DE728582C - Circuit arrangement for telephone extension systems with dialer operation : de en
  • SU62313A1 - Device for sealed opening of containers with poisonous substances : en ru
  • US2303333A - Air purifying and circulating device : en
  • SU62759A1 - Dual-circuit detector receiver : en ru
  • CA409058A - Slide fastener top stop : en fr
  • US2303647A - Outside drill pipe cutter : en
  • US2303857A - Air conditioner for vehicles : en
  • SU62593A1 - Device for handling long loads : en ru
  • CH224419A - Method for washing and subsequent spinning of a commodity, in particular laundry. : en fr
  • SU62707A1 - Hydraulic ram : en ru
  • US2303801A - Blocking-layer cell : en
  • US2303605A - Rochelle salt production : en
  • DE728910C - Mandrel for machines for the production of glued hoses or pipes : de en
  • US2303425A - Disconnecting contact : en
  • US2303815A - Furnace arch nose construction : en
  • US2304054A - Internal combustion engine : en
  • SU62321A1 - Device for registration of measured values : en ru
  • US2303347A - Pressing machine : en
  • US2303402A - Alloy : en
  • US2303719A - Method of making washing machine agitators : en
  • CH224511A - Apparatus for extracting fluid from the body or injecting fluid into the body. : en fr
  • CH224400A - Multi-part folding sliding window. : de en
  • CH224456A - Electric calculating machine. : en fr
  • CH224418A - A process for the preparation of an etersive composition. : en fr
  • SU62520A1 - Optical device to oscilloscope : en ru
  • SU62674A1 - Elasticity Tester for Piston Rings : en ru
  • US2303733A - Stopper for bottles and like containers : en
  • CA408946A - Thermostatic engine air regulator : en fr
  • CH224502A - Additional headlights for broad beam and camouflage light for vehicles. : de en
  • US2303757A - Aerating and cooling device : en
  • SU62328A1 - A device for plotting a terrain plan using two aerial photographs. : en ru
  • SU62763A1 - The method of measuring the ratio of two electrical quantities : en ru
  • US2303652A - Toy : en
  • US2303752A - Servo-control apparatus : en
  • US2303394A - Prestressing reinforced concrete : en
  • US2303627A - Liquid and air supply system : en
  • US2303735A - Manufacture of high antiknock hydrocarbons : en
  • SU62470A1 - Sinek copy machine : en ru
  • CH224482A - Device for operating internal combustion engines with acetylene. : de en
  • DE728474C - Circuit arrangement for measuring the degree of modulation : de en
  • FR877342A - Shortwave balancing device : en fr
  • SU62488A1 - Pipe cleaning device : en ru
  • US2303993A - Utensil supporting hook : en
  • SU62413A1 - Hand-held glue dispenser : en ru
  • US2303945A - Track laying apparatus : en
  • CA408958A - Fishing rod handle : en fr
  • DE728660C - Projection arc lamp : de en
  • DE728531C - Process for the preparation of aliphatic nitro compounds : de en
  • DE728580C - Sealing of joints on engineering structures : de en
  • PL31024B1 - : en pl
  • US2303405A - Alloy : en
  • US2303939A - Venetian blind tape : en
  • SU62570A1 - Borehole depth gauge : en ru
  • US2303731A - Coupler for toy railroad vehicles : en
  • DE728850C - Process for the production of tea-like beverages from crushed, dried leaves by fermentation : de en
  • AU365641A - Improvements in or relating to vapourisers for suction gas apparatus using steam : en
  • SU62440A1 - Method of cleaning phenol tov : en ru
  • US2303330A - Zinc oxide : en
  • US2303874A - Artificial tooth : en
  • US2303968A - Television system : en
  • US2303357A - Seismic wave amplifier : en
  • BE447768A - Method and apparatus for obtaining metallic coatings on articles such as threads, ribbons and the like : en fr
  • CH224533A - Air pump. : de en
  • DE728513C - Process for processing rubber : de en
  • CA409042A - Crankshaft grinding machine : en fr
  • CH224465A - Device for fixing the outer end of a hairspring in a timepiece. : en fr
  • CA409037A - Car heater ventilator connection : en fr
  • AT160879B - Capillary active agents : de en
  • US2304029A - Ventilating system for telephone booths : en
  • SU62693A1 - Device for simultaneous simultaneous control of several cranes : en ru
  • US2303998A - Power and mixture control : en
  • CH224519A - Directional antenna arrangement for ultra-short wave operation within a wide frequency band. : de en
  • DE728676C - AC oil contactor for strongly fluctuating actuation voltage : de en
  • FR877172A - Drip device with guide stopper for flow : en fr
  • CH224517A - Two-way transmission system with transmission paths effective in opposite directions. : de en
  • PL31065B1 - A method of transmitting image and line pulses and an apparatus for transmitting this way : en pl
  • PL31091B1 - Device for preventing the dazzling effect of strong light sources in night traffic : en pl
  • SU62777A1 - Cylindrical reel : en ru
  • CA409020A - Engine choke mechanism : en fr
  • US2303793A - Parcel postage calculating : en
  • US2304050A - Container cleaning apparatus : en
  • BE447522A - : en fr
  • BE447673A - Electric hammer : en fr
  • BE447550A - : en
  • DE728597C - Screw locking : de en
  • DE728726C - Process for the mechanical separation of coarse-grained rocks containing organic matter : de en
  • CH224405A - Process for lowering the temperature in the drum of a machine for gasifying calcium carbide. : de en
  • US2303745A - Manufacture of single matted flooring panel : en
  • SU62309A1 - Testing device for glow plugs of internal combustion engines : en ru
  • USD134499S - Design fob a dress : en
  • SU62288A1 - Stone stone : en ru
  • US2303700A - Thermostatic control device : en
  • US2303856A - Material discharge device for airplanes : en
  • CH224434A - Geographical album. : en fr
  • DE728697C - Arc converter with shield and main electrodes : de en
  • DE728774C - Overlay receiver for ultrashort waves : de en
  • CA408948A - Mattress or cushion spring structure : en fr
  • US2303665A - Packing ring : en
  • US2303478A - Shower head : en
  • PL31052B1 - : en pl
  • SU62661A1 - Electroplating apparatus for small parts : en ru
  • US2303985A - Fare box : en
  • US2303829A - Transmission : en
  • US2303864A - Bathtub moisture seal : en
  • US2303894A - Control foe heating devices : en
  • PL31158B1 - : en pl
  • CA408953A - Siccative composition curing process : en fr
  • FR877243A - Instrument indicating the number of turns, in particular for the navy : en fr
  • US2303714A - Power generating method and apparatus : en
  • SU62568A1 - The method of cementation of gold and silver from cyanide solutions : en ru
  • US2303334A - Air purification : en
  • US2303603A - Tartaric acid production : en
  • US2303779A - Store-front display window : en
  • PL31022B1 - : en pl
  • DE728841C - Device for testing electricity meters : de en
  • FR877163A - Improvements to the control of cycle and motorcycle brakes : en fr
  • US2303356A - Selecting system : en
  • US2303451A - Peak demand meter : en
  • USD134470S - Design fob a curtain display rack : en
  • US2303568A - Resilient wheel mounting : en
  • CH224436A - Steep index with unstaggered cards one behind the other. : de en
  • GB549718A - Lead sheathed cable having a covering of vulcanisable material and a method of making such a cable : en
  • FR877263A - deflection electrode for polar cathode ray tubes : en fr
  • FR877264A - Soldering pliers : en fr
  • DE728812C - Device to prevent overriding in low-frequency transmission systems that are dynamically regulated : de en
  • DE728872C - Washing vessel that can be inserted in an oven with hot air supply : de en
  • SU62682A1 - Device for flotation with the use of blowing agents : en ru
  • US2303455A - Supervising arrangement for relay systems : en
  • GB549747A - Improvements relating to air-warming and ventilating systems : en
  • DE728666C - Record mass : de en
  • DK60377C - Coupling with an electric discharge tube with negative Steepness. : da en
  • SU62699A1 - The method of equipment minerals : en ru
  • SU62439A1 - Method of applying anti-corrosion multilayer coatings of modified polyvinyl chloride varnishes : en ru
  • DE728612C - Arc Chamber Switch : de en
  • FR877209A - Dyes of the triazol series : en fr
  • FR877291A - Prism binoculars : en fr
  • GB549752A - Improvements in fixing brackets for curtain rods or rails : en
  • SU62295A1 - Device for high frequency transmission line protection : en ru
  • DE728584C - High frequency impedance with variable phase angle with constant coordination : de en
  • DE728866C - Headlights : de en
  • DK60376C - Electric Light Bulb for Christmas Tree Lighting. : da en
  • USD134460S - Design foe a scale : en
  • FR877230A - Ball joint : en fr
  • SU62551A1 - The method of lapping gears : en ru
  • US2303847A - Towing machine : en
  • GB549627A - Vacuum cleaner : en
  • US2303586A - Brake mechanism : en
  • US2303765A - Preparation of ammonium allantoinate : en
  • PL31029B3 - Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen m. B. H ,, Bcrlin HtKnGl / ^ Electric mercury lamp : en pl
  • SU62221A1 - Device for adjusting the guiding apparatus for moving from the hydroturbine site : en ru
  • CA409035A - Electric vibrator : en fr
  • FR877152A - Device for cutting endless artificial fiber products : en fr
  • US2303635A - Strip aligning and feeding device : en
  • DE728571C - Riveted connection for aircraft construction : de en
  • DE728594C - Electrically heated evaporator for decontamination liquids : de en
  • DE728885C - Device for exchangeable mounting of a cathode for cathode ray tubes : de en
  • US2303899A - Strap connector : en
  • DE728921C - Process for processing viscose of a constant degree of ripeness during spinning into artificially formed structures such as rayon, horsehair, ribbons, films : de en
  • DE728922C - Method and device for drying workpieces : de en
  • DE728818C - Load weight made of heavy or artificial stone, especially for floor polishers : de en
  • FR877374A - Rear engine omnibus in a low bed planoher car : en fr
  • FR877348A - Quaternary ammonium compounds and their preparation process : en fr
  • GB549703A - Improvements in or relating to the production of improved fatty material : en
  • FR877347A - Lightweight metal piston made by jet or press molding : en fr
  • GB549603A - Improved acid-curing thermosetting resin compositions : en
  • DE728636C - Calibration device for the tuning scale of a tunable electrical oscillation circuit : de en
  • PL31057B1 - : en pl
  • SU62631A1 - Device for overcurrent protection : en ru
  • US2303436A - Method of making rigid articles : en
  • USD134476S - Design for an automobile map holder : en
  • SU62653A1 - Winding roller for measuring-rejection machines : en ru
  • US2304046A - Cigar rolling mechanism : en
  • DE728677C - Method for regulating the frequency in AC power distribution networks that are fed by two or more spatially separated power plants : de en
  • FR877158A - Process for preparing coffee substitutes : en fr
  • FR877303A - Winding body fixing system : en fr
  • US2303925A - Oil burner : en
  • CH224427A - Process for the recovery of hydrogen sulfide in the production of artificial threads, in particular rayon, from viscose : de en
  • SU62337A1 - Gas generator for gasification of fine-grained fuels in suspension : en ru
  • GB549651A - Improvements in liquid-break electric circuit breakers : en
  • US2303920A - Photographic apparatus : en
  • US2303712A - Fluid eduction : en
  • USD134475S - Design foe a practice typewriter : en
  • CA409036A - Ledger tray : en fr
  • US2303638A - Magnetic transmission or clutch : en
  • US2303727A - Means for testing underground strata for the fluid content thereof : en
  • US2303415A - Ground clearing fork for steam shovels and the like : en
  • FR877367A - Electric capacitor : en fr
  • FR877213A - Improved method of supplying heat engines with acetylene gas and equipment for its implementation : en fr
  • GB549607A - Apparatus for the administration of anaesthetics : en
  • GB549679A - Improvements in or relating to control and protective systems for electrical apparatus : en
  • FR877385A - Process for separating aluminum from aluminum sheets to which foreign bodies adhere : en fr
  • GB549656A - Improvements in or relating to fluid operated friction clutches and desludging devices therefor : en
  • SU62762A1 - Method and device for the summary of adjacent sheets of tablets : en ru
  • US2303343A - Silicon steel electrical strip : en
  • US2303382A - Heater control : en
  • FR877193A - Method and device for separating solid substances from their suspensions : en fr
  • SU62531A1 - The method of supplying a mixture of air and oxygen in the suit of the pilot : en ru
  • SU62652A1 - Spinning machine for felt, etc. of the material : en ru
  • CA409031A - Time recorder : en fr
  • GB549712A - Improvements in or relating to shredding apparatus and methods of shredding fibrous material : en
  • FR877250A - Stereophonic sound transmission device : en fr
  • FR877249A - Improvements to vibrated concrete frames : en fr
  • GB549766A - Improvements in unit air heaters : en
  • SU62226A1 - Photoelectric device for measuring the speed and unevenness of the shaft rotation : en ru
  • US2303607A - Tartaric acid production from calcium tartrate : en
  • US2303656A - Automobile parking building : en
  • US2303868A - Ignition device or system for gas and liquid fuel burners : en
  • US2303973A - Method of and apparatus for production of master alloys : en
  • DE728784C - Portable container, in particular suitcase, with a lid hinged to the container by means of swivel arms : de en
  • CA409056A - Catalyst : en fr
  • US2303326A - Card support : en
  • US2304040A - Power unit mounting for industrial trucks : en
  • AU116171B2 - Improvements in harvesters : en
  • FR877274A - Use of iron pipes for drinking water pipes : en fr
  • CH224479A - Torsion spring. : de en
  • SU62248A1 - Book dusting machine etc. : en ru
  • SU62497A1 - The method of coloring stones : en ru
  • SU62815A1 - Low frequency amplifier : en ru
  • PL31020B1 - Svenska Kassaregisteraktiebolaget, Stockholm Multi-drawer cash register : en pl
  • SU62585A1 - Peat trailer : en ru
  • US2303325A - Harrow controlled by tractor power : en
  • US2303776A - Labeling mechanism : en
  • SU62790A1 - Automatic water meter : en ru
  • CH224416A - Device for dropping and releasing the belt from BEZW. on the flywheel of sewing machines equipped with belt catchers. : de en
  • CH224385A - Garbage collection truck. : de en
  • BE468851A - : en fr
  • PL31150B1 - Dr, Michal Telatycki, Otwock K * \ Qfa and Apparatus for the production of artificial pneumothorax : en pl
  • SU62446A1 - Method for the production of food syrup : en ru
  • CH224556A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • USD134491S - Design for a textile fabric : en
  • SU62473A1 - Device for remote on and off of street lighting installations : en ru
  • US2303346A - Method of making labels : en
  • AU116186B2 - Improvements in and connected with furnaces used in heating materials : en
  • SU62745A1 - Regulator for automatic regulation of the voltage of alternators : en ru
  • US2303650A - Carrying scraper : en
  • CA408996A - Moistureproof wrapping material : en fr
  • US2303812A - Heater for road finishing machines : en
  • SU62244A1 - Method for separating waxes from peat resin : en ru
  • SU62741A1 - Method for preparing 2-methyl-4-amino-5-pyrimidylacetic ester : en ru
  • US2303493A - Diversity signaling system : en
  • USD134465S - Design fob a bottle stopper or the like : en
  • USD134466S - Design for a ventilator for vehicles : en
  • US2303813A - Gear coupling : en
  • PL31123B1 - Device for removing air from drainage pipes of fuel stations : en pl
  • PL31153B1 - Device for lowering the liquid content in wet masses such as beetroot slices, grated potatoes, raw peat, etc. : en pl
  • US2303798A - Piston ring : en
  • GB549702A - An improved mineral oil or petroleum hydrocarbon composition : en
  • BE447410A - : en
  • DE728854C - Flap weir : de en
  • FR877371A - A process for embellishing and improving textile products : en fr
  • PL31070B1 - C. Lorenz Aktiengesellschaft, Berlin - Tempelhof Television set : en pl
  • SU62526A1 - Terminal switch : en ru
  • SU62738A1 - Plow : en ru
  • SU62782A1 - The method of obtaining thermosetting artificial resin : en ru
  • US2303824A - Hose resizing tool : en
  • FR877179A - Container closure device : en fr
  • DE728842C - Measuring arrangement for determining the response time of aperiodically damped electrical measuring instruments : de en
  • DE728671C - Two-hand engagement device for presses : de en
  • FR877255A - Improvements to internal combustion engines with purge air compressors : en fr
  • SU62232A1 - Seal for rotating shaft : en ru
  • SU62648A1 - Stone trap to suction, etc. cars : en ru
  • AU386641A - Improvements in or relating to detachable conduit couplings : en
  • DE728684C - Blueprint device : de en
  • DE728836C - Type cylinder typewriter : de en
  • SU62789A1 - Conic bulb : en ru
  • SU62710A1 - Machine for measuring skin area, etc. of materials : en ru
  • US2303597A - Measuring pump : en
  • US2303661A - Fuse : en
  • US2303510A - Assembly means for firearms : en
  • DE728907C - Switching device for reversing the table of milling machines : de en
  • DE728909C - Device for gluing sections onto a web : de en
  • US2303503A - Metal enclosed switchgear : en
  • SU62728A1 - Device for measuring the level of liquids : en ru
  • US2303766A - Vacuum sealing device : en
  • SU62749A1 - Vibrating screen : en ru
  • US2303329A - Zinc oxide : en
  • FR877245A - Leather or leather belt and method of manufacture : en fr
  • DE728487C - Process for the preparation of N, N-dialkyl- or N-alkyl-N-aralkyldipyrazole anthronyls : de en
  • SU62223A1 - Photorelay : en ru
  • SU62600A1 - Device to protect the rotor winding of a synchronous generator from ground fault : en ru
  • SU62724A1 - Electronic relay : en ru
  • SU62802A1 - Galvanic cell : en ru
  • US2303328A - Display mount : en
  • FR877343A - Lighting device for pick-up arms of talking machines : en fr
  • DE728698C - Electrode arrangement for a discharge tube : de en
  • SU62354A1 - Device for converting the angular velocity of low-power sensors to a proportional current or voltage : en ru
  • US2303608A - Casting metals : en
  • DE728848C - Ball joint connection for pipelines : de en
  • DE728614C - Coupling for operating two switches at an angle to each other : de en
  • SU62730A1 - Telemetry device : en ru
  • FR877174A - Erasable guide device for picking up line from fishing reels : en fr
  • FR877350A - Rice vitaminization process : en fr
  • SU62307A1 - Device for controlling the flow of steam into the cylinders of internal combustion engines : en ru
  • US2303626A - Lamp suspension and positioning structure : en
  • FR877366A - Process for manufacturing individual pieces of porcelain dental prosthesis and oven allowing the implementation of this process : en fr
  • FR877298A - Single-wheel system with balanced engine : en fr
  • DE728795C - Bucket excavator : de en
  • GB549633A - Improvements in or relating to reversing gearing : en
  • SU62258A1 - Switch overvoltage protection device : en ru
  • SU62318A1 - Electric shutter to control oscilloscope photography : en ru
  • US2303462A - Road marker : en
  • FR877275A - Toy vehicle : en fr
  • SU62215A1 - Electric furnace for carborundum, etc. : en ru
  • US2303788A - Vehicle body : en
  • US2303848A - Shoe sole laying machine : en
  • US2303947A - Soldering iron : en
  • DE728729C - Wide washing machine for fabric webs : de en
  • FR877225A - Process for the production of symmetrical and asymmetric carbocyanines substituted for central carbon atoms of the chain : en fr
  • GB549632A - Rotatable packaging machines and methods : en
  • FR877329A - Safety-locking quick-assembly device for sounding tubes : en fr
  • DE728843C - Device for generating weak treatment currents with variable direct and alternating current components : de en
  • FR877290A - Device with screen control for printing or projecting polychrome films : en fr
  • DE728807C - Method for operating double-directional telex connection lines combined into bundles and used for switching traffic : de en
  • FR877396A - Rivet for fixing a sole to a shoe : en fr
  • US2303628A - Hydraulic press with low pressure and high pressure pump : en
  • US2303862A - Oscillation generator and amplifier : en
  • DE728804C - Process for the preparation of salts of morphine with aralkylcarboxylic acids : de en
  • US2303387A - Mulling apparatus : en
  • US2303497A - Duplex metal body : en
  • FR877257A - Process for preparing light-colored, store-stable diesel fuel blends : en fr
  • GB549735A - Improvements relating to the manufacture of sulphur trioxide and apparatus therefor : en
  • US2303318A - Separating hydrated phosphorus pentoxide : en
  • SU62636A1 - Temperature measurement method : en ru
  • US2303723A - Time relay system : en
  • US2304012A - Parking meter : en
  • SU62268A1 - Flotation method : en ru
  • US2303443A - Damping device for circuit interrupters : en
  • AU294841A - Improved nozzle for bunsen type gas burners : en
  • DE728510C - Binder for foundry molds and cores : de en
  • DK60372C - Procedure and Machine for Manufacturing Barbed Wire. : da en
  • GB549634A - Process for the manufacture of diamidines of the stilbene series : en
  • CA408977A - Shotgun cartridge wad : en fr
  • CH224514A - Air foam generator. : de en
  • US2303590A - Pump relief valve : en
  • SU62727A1 - Steam separating device for locomotive boiler : en ru
  • SU62771A1 - The method of producing glue : en ru
  • USRE22229E - Coin selector and slug rejecter : en
  • SU62697A1 - Steel : en ru
  • US2303469A - Shoe tree : en
  • SU62706A1 - Door for pastry and bakery ovens : en ru
  • CH224558A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • DE728719C - Ring-shaped headset with contact on one side for magnetic sound recording devices : de en
  • USD134484S - Gradisar etal projection apparatus : en
  • SU62286A1 - Device for automatic adjustment of receiver tuning : en ru
  • DE728668C - Automatic grain sampler : de en
  • FR877234A - Thermal insulation of vehicle walls, in particular aircraft altitude chambers : en fr
  • GB549720A - Improvements in or relating to ring spinning frames : en
  • CH224420A - Memo card for price and / or other information on attachment to textile products. : de en
  • CH224381A - Cultivation system for mushrooms, bleached vegetables or the like. : de en
  • US2303718A - Window guard : en
  • CA409067A - Railway signalling system : en fr
  • CH224496A - Heavy-duty interference suppression choke. : de en
  • CA408926A - Thread and film production : en fr
  • CA409061A - Hydrocarbon oil dewaxing method : en fr
  • CH224467A - Silver-copper alloy, particularly suitable for electrical contacts. : de en
  • US2303526A - Magnetic sheet classifier : en
  • US2303904A - Means for controlling sidesway in vehicles : en
  • DE728739C - Spin pot, especially for rayon, with exchangeable insert base : de en
  • PL31013B1 - : en pl
  • PL31083B1 - Catalytic treatment of engine fuel Granted on November 2, 1942 : en pl
  • SU62430A1 - Device for lifting and installing self-centering chucks of machine tools : en ru
  • US2303450A - Method of making shoes : en
  • SU62299A1 - A device for building perspective images : en ru
  • SU62576A1 - Graphitist steel : en ru
  • US2303509A - Stapling machine : en
  • CA409077A - Engine ignition apparatus : en fr
  • US2303747A - Indirect lighting fixture : en
  • CH224387A - Solid fuel indoor stove. : de en
  • US2303456A - Method of mixing sound records : en
  • US2303533A - Strip feeding apparatus : en
  • CH224410A - Holding device for cut flowers. : de en
  • USD134483S - Gradisar etal. projection apparatus : en
  • CA408970A - Dynamo-electric machine : en fr
  • CH224503A - Headlights with detachable cover ring, especially for vehicles. : de en
  • US2303512A - Carrier synchronization : en
  • US2303412A - Welt turning and fabric take-up attachment for full-fashioned hosiery knitting machines : en
  • USD134451S - Design for an automobile bumper : en
  • US2303390A - Scythe : en
  • US2303721A - Art of dewaxing oils : en
  • US2303772A - Combination cooking and heating : en
  • DE728768C - Foaming agents : de en
  • SU62266A1 - Device for detecting exposed wire sections : en ru
  • SU62796A1 - Variable Transformer Transformer : en ru
  • US2304033A - Sanitary rebreathing bag : en
  • FR877335A - Heating for electric light : en fr
  • US2303374A - Fountain pen : en
  • FR877238A - Warning light combined with a reflector, the closing glass of which has reflective elements at the rear, the effect of which is based on total reflection and between which a light passage window is provided : en fr
  • AU116158B2 - Improvements in or relating to machines adapted toperform bending operation on soles for, shoes : en
  • PL31104B1 - : en pl
  • SU62255A1 - Time-delayed two-stage electromagnetic relay : en ru
  • SU62566A1 - Automatic rotary feeder : en ru
  • SU62668A1 - A device for detecting leaks in water pipes : en ru
  • AU116168B2 - Production of polymeric materials withan improved resistance to water : en
  • DE728851C - Propeller actuation gear : de en
  • US2303826A - Method of preventing sticking of vinyl resin sheets : en
  • PL31124B1 - A method of producing chrome-containing coatings welded to the workpiece : en pl
  • SU62463A1 - Acetone Production Method : en ru
  • SU62524A1 - Automatic arc welding device : en ru
  • US2303440A - Control system : en
  • DE728646C - Quickly and easily assembled and detachable pipe connection, which at the same time can withstand high pressure loads in longitudinal and transverse directions : de en
  • SU62769A1 - Se lka : en ru
  • US2303523A - Tire interliner : en
  • CA409069A - Railway signalling system : en fr
  • DE728868C - Flushing head for deep drilling rigs : de en
  • PL31137B1 - Variable planetary gear : en pl
  • SU62210A1 - Electron beam lamp for microwaves : en ru
  • SU62395A1 - Vibrator : en ru
  • US2303494A - Shoe upper and method of finishing : en
  • US2303657A - Cupola : en
  • US2304002A - Thermostatic control for stove and range oil burners : en
  • CA409014A - Vibratory converter circuit : en fr
  • PL31081B1 - A method of producing liquid motor fuel by catalytic polymerization of gaseous olefins : en pl
  • PL31126B1 - A device for measuring the process forces of gyroscopes : en pl
  • US2303786A - Electrical system and method : en
  • USD134482S - Lighting fixture or similar article : en
  • AU365241A - Improvements in and connected with furnaces used in heating materials : en
  • US2303970A - Method for desulphurizing mineral oils : en
  • US2303631A - Toy structural element and joint made therefrom : en
  • BE447565A - : en
  • AU116161B2 - A method of washing anodes : en
  • PL31069B1 - Sieve with two crankshafts : en pl
  • SU62371A1 - Device for cleaning and transporting slab tiles : en ru
  • PL31054B1 - : en pl
  • SU62581A1 - Riper : en ru
  • CA409062A - Hydrocarbon oil dewaxing method : en fr
  • PL31131B1 - Maybach-Motorenbau Gesellschaft mit beschrankter Haftung, Friedrichshafen a. B. Multiple-speed transmission and hydraulic pedal unit for transmitting the power from the internal combustion engine as a drive motor to the driving wheels of a motor vehicle : en pl
  • US2303817A - Refrigeration : en
  • SU62758A1 - Plate silencer-heat exchanger : en ru
  • US2303804A - Antiskid device : en
  • US2304038A - Locking device : en
  • PL31058B1 - : en pl
  • SU62512A1 - A device for determining the overloads of aircraft speed : en ru
  • US2303340A - Production of artificial materials : en
  • US2303354A - Method and apparatus for winding rayon : en
  • US2303659A - Bailer : en
  • US2304019A - Control apparatus : en
  • SU62453A1 - Device to protect mercury rectifiers from reverse ignitions : en ru
  • CH224426A - Process for the production of an aluminum hydroxide pectin adsorbate which is particularly effective as an emulsifier and cleaning agent : de en
  • DE728805C - Device on booking machines for labeling form strips : de en
  • US2303534A - Asbestos fabric : en
  • US2303621A - Apparatus for weighing, tensile testing, or for other like purposes : en
  • US2303902A - Mixing concrete : en
  • FR877204A - Monobloc mill-sieving unit : en fr
  • FR877271A - Mechanical operating device for speed selector mechanism (preselector mechanism) or other analogues : en fr
  • FR877313A - Polymerization products and their preparation process : en fr
  • US2303642A - Pressure sealed coupling : en
  • US2303399A - Alkaline detergent : en
  • US2303746A - Welding rod : en
  • US2303933A - Method of welding : en
  • DE728696C - Monitoring frame arrangement, especially for vehicles : de en
  • FR877285A - Pumping installation, particularly usable with centrifugal pumps to suck liquids : en fr
  • FR877346A - Comb shaped switch for airplanes : en fr
  • SU62592A1 - Device for switching speed gearboxes : en ru
  • SU62274A1 - Vacuum discharge valve test device : en ru
  • SU62533A1 - Method for producing cellulose ethers : en ru
  • US2303958A - Electrical resistance pad device : en
  • CH224394A - Electric furnace for firing, especially ceramic goods. : de en
  • SU62811A1 - Injection molding machine : en ru
  • US2303623A - Low density heater : en
  • US2303946A - Power transmission : en
  • PL31114B1 - A method of producing refractory glass types : en pl
  • SU62402A1 - Horizontal swinging screen : en ru
  • US2303386A - Brush and method of making same : en
  • DE728762C - Holding means for thick fabrics or those in connection with thin fabrics, especially as an aid for tailoring : de en
  • FR877171A - Improvements in indication systems, using a cathodic oscillograph, of the presence, distance and position of an obstacle : en fr
  • FR877280A - Frame for replacing rolls in rolling mill roll stands : en fr
  • DE728700C - Structural members for ready-to-assemble wooden houses : de en
  • DE728607C - Adjustable door handle connection : de en
  • US2303594A - Lock protected filling cap for liquid fuel tanks : en
  • SU62451A1 - Scraper : en ru
  • SU62733A1 - Portable mount for stone faces : en ru
  • US2303937A - Transmission control : en
  • US2303441A - Windcharger : en
  • US2303734A - Key for communication systems : en
  • FR877167A - Articulated sole : en fr
  • SU62565A1 - Cyclone : en ru
  • SU62209A1 - Apparatus for increasing the efficiency of seismograph grouping method in reconnaissance by reflected waves : en ru
  • DE728641C - Improving the processability of synthetic rubber : de en
  • SU62217A1 - Self-excited synchronous generator : en ru
  • US2303852A - Extensible pitch control link for mechanical shovels : en
  • DE728882C - Connection of a flexible shaft to a device of the wireless transmission and reception technology : de en
  • US2303836A - Brush holder wiring means : en
  • US2303411A - Torque wrench : en
  • CA408979A - Chemical process and product : en fr
  • SU62527A1 - Metal cutting tool : en ru
  • US2303912A - Twister spindle : en
  • SU62303A1 - The method of construction of reinforced concrete lining pressure tunnels : en ru
  • FR877272A - Improvements to cooling devices for electric lamps : en fr
  • PL31136B1 - The method of producing pervylamides solutions : en pl
  • SU62541A1 - Threshing drum : en ru
  • US2303430A - Process for the preparation of purified latex and of rubber, gutta percha, balata, and the like : en
  • DE728725C - Klaerspitze, thickener or the like for coal or similar substances : de en
  • DE728791C - Anti-skid chain for motor vehicle tires : de en
  • FR877279A - Adjustment system with reduction gear : en fr
  • GB549611A - Improved means for locking containers on vehicles : en
  • GB549749A - Improvements in electric lighting fittings : en
  • DE728789C - Self-supporting car body, especially for motor vehicles : de en
  • SU62239A1 - Track for tracked propulsion : en ru
  • PL31140B1 - Hans Vogt, Berlin-Steglitz High frequency coil with iron core : en pl
  • CA409050A - Sound recording system : en fr
  • CH224529A - Process for the efficient transport of raw material waste. : de en
  • US2304056A - Means to measure alternating potentials : en
  • SU62596A1 - Method of lifting bridge span structures : en ru
  • SU62812A1 - Internal combustion turbine : en ru
  • US2303396A - Voting machine : en
  • US2304048A - Wrapping machine safety mechanism : en
  • SU62720A1 - Dynamometer for measuring power : en ru
  • SU62743A1 - Method for quantitative separation and colorimetric determination of phosphoric anions, mouse acids and silicic acids : en ru
  • GB549648A - Improvements in and relating to ventilators : en
  • DE728780C - Arrangement for the treatment of substances in the high frequency field : de en
  • FR877258A - Rotary boiler engine device : en fr
  • US2303567A - Resilient seat mounting : en
  • PL31102B1 - : en pl
  • US2303532A - Flow testing device : en
  • PL31072B1 - A method of pulverizing and separating metals : en pl
  • US2303583A - Spreader apparatus : en
  • DE728489C - Process for washing out the acidic constituents (e.g. HS and SO) from gases, especially smoldering coke oven and hydrogenation gases : de en
  • PL31087B1 - A method of producing a material used, for example, to purify, soften and deacidify water, consisting mainly of magnesium oxide and calcium carbonate, by decomposing dolomite by calcining it in an atmosphere containing an acid anhydride : en pl
  • DE728881C - Field strength dependent bandwidth control : de en
  • US2303838A - Mechanism for the interconversion of reciprocation and rotation : en
  • US2303774A - Method of making a stratified electrode system : en
  • FR877338A - Method for voltage regulation in high frequency furnaces : en fr
  • GB549551A - Ligno-cellulose fibrous pulps and process of making same : en
  • US2303487A - Reamer : en
  • US2303955A - Power transmission : en
  • FR877228A - Process for manufacturing sheets, tablets or marbled (or decorated) plates from thermoplastic synthetic products : en fr
  • GB549664A - Improvements in plaster boards and the like and the affixing thereof to form ceiling, wall or other like surfaces : en
  • SU62813A1 - The method of flotation of ores : en ru
  • DE728657C - Symmetrically constructed amplifier circuit, especially for ultra-short waves : de en
  • GB549711A - Improvements in or relating to room heaters : en
  • DE728270C - Flat fire lighter with perforations : de en
  • US2303737A - Plaster lath construction : en
  • US2303725A - Drape supporting device : en
  • SU62538A1 - Device for lining points by coordinates : en ru
  • AU116178B2 - Improvements relating to electric current measurement in rectifier systems comprising a floating storage battery : en
  • USD134487S - Design fob, a lace tablecloth : en
  • DE728737C - Electrical resistance with an electrical conductor that can be used in solid and liquid state : de en
  • CA408967A - Current transformer : en fr
  • SU62390A1 - The method of starting engines t yellow fuel : en ru
  • US2303810A - Apparatus for depositing materials : en
  • DE728639C - Guide rail for chainsaws : de en
  • FR877318A - Special stuffing for trees : en fr
  • CH224487A - Device for winding, as well as for transporting and storing cables, hoses and the like. : de en
  • CA408974A - Voltage regulator circuit : en fr
  • CH224433A - Method of preventing warping of pulp panels. : de en
  • SU62617A1 - Method for continuous briquetting of heated metal chips : en ru
  • PL31060B1 - A method of preparing rye bread with yeast and leaven at the same time : en pl
  • DE728664C - Molded body : de en
  • FR877246A - Manufacturing process of dental prosthesis parts : en fr
  • GB549645A - Improvements in or relating to duplex optical projection apparatus : en
  • CA408997A - Bristling machine needle stop : en fr
  • DE728545C - Process for the production of an insulating and priming paste suitable for application to oil-free interior plaster : de en
  • PL31010B1 - Patent-Treuhand-Gesellschaft fur elektrische Gliihlampen m. B- H., System for ignition and alternating current supply of discharge lamps : en pl
  • US2303524A - Circuit interrupter : en
  • AU116157B2 - Improved thread-milling or like device : en
  • SU62624A1 - The method of obtaining alumina-silicon alloys : en ru
  • US2303803A - Belt band for watches : en
  • DE728831C - Switching cell for high voltage purposes : de en
  • CH224541A - Electric signal box. : de en
  • CH224377A - Plow detachably coupled to a tractor. : de en
  • CH224555A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • AT160878B - Capillary active agents : de en
  • CH224546A - Process for the preparation of pregnane-3,20-dione. : de en
  • CA408969A - Electric valve circuit : en fr
  • CA408987A - Aminophenol preparation : en fr
  • CH224537A - Freewheel hub with three-speed gear. : de en
  • CH224552A - Process for the preparation of a new dye of the anthraquinone series. : de en
  • GB549678A - Improvements in the treatment of materials consisting of or containing wool or other animal fibres to reduce their tendency to felt : en
  • PL31043B1 - : en pl
  • SU62579A1 - The method of cleaning the lances of converters used in non-ferrous metallurgy : en ru
  • US2303701A - Safety shut-off device : en
  • DE728587C - Electromagnetic current limiter : de en
  • CH224391A - Gas water heater. : de en
  • SU62377A1 - Adaptation to milling machines for sequential milling in inclined and horizontal planes : en ru
  • SU62437A1 - The method of obtaining anhydrous magnesium chloride from sulphate : en ru
  • DE728704C - Arrangement for the automatic shut-off and release of the addition of measured amounts of liquids or gases by means of an artificially generated pressure difference in the conveying line for the liquid to be treated : de en
  • AU116159B2 - Improvements in photographic objectives : en
  • DE728727C - Cord loop connection, especially for trouser straps : de en
  • DK60379C - Herd for Gas Generators with Downward Combustion. : da en
  • GB549610A - Improvements in or relating to sheet-feeding apparatus : en
  • CH224526A - Beach umbrella. : de en
  • DE728586C - Procedure for remote control over power networks : de en
  • DK60384C - Protection device at circular saws. : da en
  • DK60385C - Mechanism for Communicating Impulses to a Body or a Machine Part, in particular for Use as a Vibration Damper. : da en
  • FR877386A - Double wall cofferdam, made of sheet piles with double tau profile : en fr
  • SU62401A1 - The method of bright annealing of steel tape : en ru
  • AU116174B2 - Improvements in or relating to the closures or seals of tubes or other containers for pastes, cream, jellies or the like : en
  • BE447572A - Process for the oxidation of ammonia by means of metal oxides activated with bismuth oxide, and apparatus relating thereto : en fr
  • DE728627C - Process for the preparation of succinic acid and its alkyl homologues : de en
  • DE728735C - Electric push-button switch with snap spring clamped between fixed abutments : de en
  • DE728741C - Brush comb : de en
  • SU62455A1 - Apparatus for checking the correctness of laying and wall cladding : en ru
  • FR877177A - Acetylene generator : en fr
  • SU62332A1 - Injection valve for fuel pump for internal combustion engines : en ru
  • US2303315A - Warning signal system : en
  • DK60390C - Cellular Tray for Use as an Insert in Boxes for Eggs and Similar Crazy Items. : da en
  • FR877363A - Rotary anode chi ray tube : en fr
  • GB549674A - Apparatus for automatically controlling the travel of a mobile body : en
  • DE728905C - Air-compressing internal combustion engine working with spark ignition : de en
  • DK60378C - Composition for Use as Bone Wax. : da en
  • US2303365A - Clock mechanism : en
  • US2303600A - Dental impression material : en
  • US2303424A - Spindle unbalance detector : en
  • US2303732A - Cowl flap mechanism : en
  • SU62404A1 - The method of preparation of mud solutions for washing wells : en ru
  • US2303918A - Impulse transmission : en
  • DE728891C - Template nozzle for coke stoves : de en
  • GB549676A - Improvements in or relating to electric oscillation generators and amplifiers : en
  • GB549692A - Improvements in or relating to vacuum or pressure operated servo brake devices : en
  • SU62676A1 - Harmonic analysis device : en ru
  • FR877236A - Household refrigerator : en fr
  • SU62284A1 - Pit furnace for burning pyrite : en ru
  • SU62618A1 - Device for continuous casting steel ingots : en ru
  • SU62254A1 - Instrument for drawing and plotting a normal geologic column : en ru
  • US2303996A - Paper box : en
  • US2303552A - Drilling of wells and drilling mud therefor : en
  • GB549695A - An improved vacuum contact photographic printing and reflex copying apparatus : en
  • GB549730A - Control mechanism for absorption refrigerating apparatus : en
  • SU62376A1 - Automatic mixture composition corrector for aircraft engines : en ru
  • US2303928A - Process for the production of photographic color images : en
  • US2303771A - Breaker point assembly : en
  • USD134485S - Pair of goggles or similar article : en
  • SE106033C1 - : sv
  • SU62627A1 - The method of obtaining artificial tanning : en ru
  • CH224446A - Target. : de en
  • FR877344A - Process for manufacturing flat products from superpolyamides : en fr
  • DE728690C - Gas supply system : de en
  • CA409034A - Chain or belt tensioning mechanism : en fr
  • AU116183B2 - Improvements in or relating to fuel tanks for aircraft : en
  • FR877169A - Process and apparatus for chrome plating : en fr
  • SU62271A1 - Method of adjusting the speed of the induction motor : en ru
  • GB549763A - Improvements in or relating to fluid-blast electric circuit interrupters : en
  • FR877390A - Motor assembly : en fr
  • PL31088B1 - Method of separating mixtures of vapors and gases : en pl
  • CH224461A - Method of making a stereophonic sound recording. : de en
  • US2303558A - Premium cup grease of improved heat and texture stability : en
  • US2303809A - Device for moistening paper, fabrics, and like weblike material : en
  • US2303877A - Typewriting machine : en
  • US2304006A - Metal window sash : en
  • SU62237A1 - Potato processing unit : en ru
  • US2303459A - Surface grinding fixture : en
  • PL31048B1 - : en pl
  • US2303795A - Liquid propulsion engine : en
  • US2303906A - Polarized light compensating system : en
  • US2303619A - Adjustable pickup head for sound reproducing apparatus : en
  • SU62422A1 - Method of treating dysentery : en ru
  • SU62630A1 - Thermocouple : en ru
  • FR877180A - Process for the condensation and recovery of by-products from the distillation of wood and other woody materials : en fr
  • US2303550A - Dehydrogenation of cyclohexanols : en
  • SU62776A1 - Power Feeder : en ru
  • US2303672A - Burner control apparatus : en
  • USD134490S - Design fob a textile fabric : en
  • FR877284A - Diesel fuel purification process : en fr
  • GB549630A - Improvements relating to infusion packages : en
  • US2303393A - Vacuum lifting device : en
  • US2303479A - Machine gun and magazine : en
  • US2303660A - General utility brush : en
  • US2303972A - Sulphanilyl guanylureas and process for making them : en
  • US2303551A - Solvent composition : en
  • FR877322A - Rotary pump with automatic suction : en fr
  • DE728670C - Device for the production of soldered connections by dipping the parts to be soldered into a vessel containing a liquid solder : de en
  • FR877223A - Measuring device with electrical remote indication for small length variations : en fr
  • US2303499A - Rheostat : en
  • SU62657A1 - Arc lamp fixture to continuously record the combustion process of a carbon electrode : en ru
  • US2303931A - Process for concentrating phosphate ores : en
  • AU296141A - A supporting means for use in adjusting roughcut edges of silvered mirrors by nipping : en
  • US2303349A - Extrusion mechanism : en
  • US2303936A - Process for making rugs and material therefor : en
  • US2303913A - Dispenser for disinfectants : en
  • CA409068A - Railway signalling apparatus : en fr
  • CH224562A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • PL31074B1 - A method of producing synchronization pulses in television devices : en pl
  • SU62431A1 - Micrometer debugging machine : en ru
  • US2303505A - Electric discharge apparatus : en
  • US2303667A - Toothbrush : en
  • CA409027A - Beef chilling method : en fr
  • SU62334A1 - Carburetor for internal combustion engines : en ru
  • SU62610A1 - The method of obtaining artificial varnish : en ru
  • US2303350A - Metal coating : en
  • USD134456S - Design for an over-bed table : en
  • PL31018B1 - Patent-Treuhand-Gesellschaft fur elektrische Gliihlampen m. B. H., Lamp with two light sources of different kinds for alternating current : en pl
  • US2303573A - Game : en
  • CH224475A - Tenon polishing machine. : de en
  • BE447606A - Spark plug : en fr
  • FR877305A - Improvements to removable wooden barracks : en fr
  • US2303694A - Windshield cleaner : en
  • CH224565A - Floatable motor vehicle. : de en
  • US2303707A - Root mounting for rotor blades : en
  • US2303511A - Harmonic generator : en
  • DE728721C - Wing, ailerons or tail surfaces : de en
  • DE728859C - Disk-shaped copy device : de en
  • SU62783A1 - The method of polymerization of divinyl in emulsion x : en ru
  • DE728845C - Mill firing : de en
  • FR877288A - Method of checking the correctness of tuning and the working condition of antenna installations : en fr
  • US2303452A - Sash fastener and holder : en
  • US2303951A - Internal combustion engine plant : en
  • PL31151B3 - Company Georg von Giesche's Erben, Wroclaw Zinc alloy for casting : en pl
  • BE447258A - RADIOELECTRIC RECEIVER DEVICES : en fr
  • US2303338A - Preparation of artificial filaments or threads : en
  • US2303938A - Sharp freezing container : en
  • AU390341A - Improvements in harvesters : en
  • DE728765C - Cooling and heating agitator : de en
  • CA408923A - Knitted garment : en fr
  • CH224495A - Capacitor. : de en
  • CH224515A - Breathing apparatus for animals, in particular for riding, draft and pack animals. : de en
  • PL31112B3 - : en pl
  • US2303853A - Cutting oil : en
  • CA409019A - Sulphuric acid manufacture : en fr
  • PL31103B1 - Method for the production of orthoxyase dyes : en pl
  • US2303777A - Reinforcing strip : en
  • US2303832A - Axial blower : en
  • SU62304A1 - Device for dynamic balancing of rotation bodies : en ru
  • US2303537A - Production of hydrogen chloride : en
  • DE728689C - Candlesticks : de en
  • DE728701C - Process for the preparation of chlorination products from butadiene polymers : de en
  • DE728769C - Spring-loaded safety valve for steam boiler : de en
  • SU62270A1 - Electrolytic galvanizing method : en ru
  • US2303470A - Brush : en
  • US2303606A - Cream of tartar production from acid extract of tartarous material : en
  • US2304047A - Yoke press : en
  • PL31033B1 - : en pl
  • DE728624C - Triggering device on pit stamps and hiking boxes : de en
  • AU116163B2 - An improved safety shearing flexible coupling : en
  • PL31031B1 - Patent-Treuhand-Gesellschaft fur elektrische Gliihlampen m. B- H., Berlin, -. > / -,; '/ - Electric low-pressure tubular discharge lamp : en pl
  • US2303632A - Miniature airplane : en
  • CA409005A - Catalyst and olefine oxide production : en fr
  • US2303468A - Washing machine : en
  • CH224557A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • CH224403A - Gas generating plant for solid fuels for feeding explosion engines, in particular for motor vehicles. : de en
  • CH224545A - Two-piece button. : de en
  • CH224386A - Wood stove. : en fr
  • GB549614A - Means for converting a direct voltage into a frequency proportional thereto : en
  • SU62465A1 - The method of controlling the size and detection of surface defects in products : en ru
  • US2303562A - Control mechanism : en
  • US2303636A - Ice tray grid : en
  • US2303769A - Polymerization of olefins : en
  • SU62240A1 - Jet Test Device : en ru
  • PL31110B1 - Friedrich Deckel Prazisions-Mechanik und Maschinenbau, Munich Copy milling machine : en pl
  • SU62324A1 - Device for measuring color temperature : en ru
  • DE728622C - Device for tensioning the lower guide rollers of bucket elevators with a pivotable carrier : de en
  • FR877181A - High voltage polyphase disconnecting device with fuse and switch circuit breaker : en fr
  • SU62646A1 - The method of producing propyl nitrite : en ru
  • US2303379A - Bulldozer : en
  • US2303883A - Dynamoelectric machine : en
  • SU62220A1 - Heterodyne : en ru
  • US2303816A - Refrigeration : en
  • US2303988A - Transparency displaying device : en
  • CA409070A - Hydrocarbon manufacture : en fr
  • AU757742A - Improvements in and relating to devices for dispensing or delivering liquids, for instance, ink : en
  • AU116187B2 - Improvements in or connected with scrubbers or filters for producer gas apparatus : en
  • CA409001A - Tensiometer control system : en fr
  • US2303319A - Mulling apparatus : en
  • DK60386C - Lock to Sliding Doors. : da en
  • GB549668A - Improvements in or relating to light polarizers and process of making same : en
  • SU62356A1 - Hydraulic monitor for unloading lump or bulk materials from cars, etc. : en ru
  • US2304013A - Preservative composition : en
  • CA408924A - Moulded product manufacture : en fr
  • CA408964A - Propeller shaft : en fr
  • US2303767A - Range finder : en
  • DE728682C - Optical system for telescopes serving as eyepiece or lens : de en
  • DK60371C - Procedure and Plant for Continuous Alcohol Extraction of Pure Alcoholic Liquids. : da en
  • SU62308A1 - A device for supplying fuel to the rocket engine : en ru
  • US2304001A - Composition of matter useful in making print rolls and the like : en
  • SU62560A1 - Adjusting to the seed coulters to reduce seed embedment depth : en ru
  • FR877395A - Further training in industrial cookers and fireplaces : en fr
  • CA408954A - Surface covering material : en fr
  • CA409045A - Magnesium carbonate composition : en fr
  • SU62374A1 - Vibration Testing Machine : en ru
  • US2303729A - Boat propelling means : en
  • US2303940A - Fluid treating apparatus : en
  • DE728611C - Process for making textiles crease : de en
  • CA408959A - Hydro electrode control : en fr
  • CH224399A - Single-driver lock for windows, doors and the like. : de en
  • CA408971A - Dynamo-electric machine : en fr
  • DE728508C - Highly durable objects exposed to high pressures at high temperatures : de en
  • GB549714A - Improvements in and relating to telephone switching and exchange systems and apparatus : en
  • GB549744A - An improvements in or relating to the production of splines : en
  • GB549759A - Shop window display apparatus : en
  • DE728892C - Tower-like gas cleaner with one above the other for the cleaning compound and gas inlet and outlet lines on opposite sides : de en
  • CH224532A - Friction double clutch. : de en
  • SU62327A1 - Zanyan for the detention and removal of floating bodies from water intake facilities : en ru
  • US2303823A - Method of preventing wax deposits in tubing : en
  • US2303934A - Manufacture of cellulose ester hosiery : en
  • CH224543A - Process for the production of a cross-ribbed warp knitted fabric interspersed entirely or partially with rubber warp threads. : de en
  • US2304055A - Amplifier : en
  • US2303535A - Filter bed scraper : en
  • PL31094B1 - Telefunken Gesellschaft fiir drahtlose Telegraphie m. B. H., Berlin Radio receiver, button-tuned to a number of predetermined broadcasting stations : en pl
  • SU62755A1 - Apparatus for rotating cotton machine spindles : en ru
  • DE728688C - Turn lock for automatic or semi-automatic firearms : de en
  • PL31047B1 - : en pl
  • BE447568A - : en
  • CH224378A - Protection device for scythe blade. : en fr
  • US2303516A - Circuit interrupter : en
  • SU62363A1 - Electrode coating for tool welding : en ru
  • PL31111B1 - Schaffler & Co., Vienna ^ ° Xk V00 Electric igniter min : en pl
  • SU62302A1 - Safety ball valve for vacuum installations, for example, vacuum sewage tanks : en ru
  • US2303548A - Mercury relay : en
  • CH224429A - Process for the preparation of a lubricating product, and resulting product. : en fr
  • US2303722A - Piston ring : en
  • US2303827A - Trailer construction : en
  • US2304023A - Pipe cleaner : en
  • CH224477A - Process for the execution of a table and table obtained by this process. : en fr
  • PL31080B1 - Hazeltine Corporation, Jersey City, New Jersey. Bandpass filter system for coupling a receiving antenna : en pl
  • US2303639A - Grinding machine : en
  • US2303423A - Signal device for elevators : en
  • US2303376A - Breathing mask : en
  • US2303872A - Stoker motor : en
  • CA408994A - Metal coating process : en fr
  • AU466942A - Improvements relating to stoves and ranges : en
  • PL31141B1 - : en pl
  • SU62471A1 - Device for dynamic testing of materials : en ru
  • DE728638C - Process for the extraction of fatty acids and glycerine : de en
  • DE728707C - Process for the production of welded bar chain links in which the bar is firmly connected to the link : de en
  • CH224490A - Step switch for transformers. : de en
  • AU363741A - Improvements in methods and processes in manufacturing paints : en
  • CH224424A - Process for opening up dried peas. : de en
  • SU62212A1 - The method of laying in a container of steering wheels of cars : en ru
  • US2303336A - Apparatus for emplacing concrete : en
  • CA408988A - Aminophenol preparation : en fr
  • CH224439A - Glare device for projectors. : de en
  • DE728782C - Process for the production of socks and stocking produced by the process : de en
  • US2303576A - Luminescent material for electric discharge devices : en
  • US2303693A - Switch : en
  • US2303871A - Metal coated plastic material and method of producing the same : en
  • CA409060A - Telegraph transmitter : en fr
  • CH224491A - Automatic switch with locking by a fusible link. : de en
  • PL31063B1 - : en pl
  • SU62506A1 - Device for determining wind in the upper atmosphere : en ru
  • SU62513A1 - Direction finder : en ru
  • US2303750A - Lock slider : en
  • US2303541A - Dry cleaning machine : en
  • SU62445A1 - The way to improve the baking properties of flour made from grains with weak gluten : en ru
  • SU62219A1 - Electric Fluid Heater : en ru
  • CA408932A - Washing machine : en fr
  • SU62481A1 - Device for measuring the phase shift : en ru
  • SU62522A1 - Device for recording the number of fillings of a measuring vessel : en ru
  • US2303491A - Apparatus for cleaning catch basins : en
  • US2303792A - Self-loading device for shaker conveyers : en
  • CH224484A - Galvanic element with air depolarization and a bowl-shaped carrier for the depolarization mass of the positive electrode and process for the production of this element. : de en
  • CA408927A - Roofing or surfacing material : en fr
  • FR877156A - Ceramic insulator : en fr
  • FR877227A - Rehearsal device for gramophones for the consecutive automatic passage of several discs : en fr
  • FR877352A - Packaging : en fr
  • DK60389C - Cement-containing powdered material for the production of a curable coating and casting agent. : da en
  • AU371141A - Improvements in raising and lowering mechanism of agricultural and like implements : en
  • US2303321A - Method and apparatus for discharging electricity : en
  • US2303954A - Safety device for workmen on steel structures : en
  • US2303915A - Shock absorbing mechanism : en
  • US2303965A - String propelled toy airplane : en
  • US2303610A - Reversible unidirectional antenna : en
  • FR877304A - Cigarette rolling device : en fr
  • CH224401A - Device for generating mixed gas. : de en
  • PL31093B1 - Device for disengaging an auxiliary mechanism operated by a working medium under pressure, in particular for engaging the gears of a variable transmission in motor vehicles : en pl
  • US2303339A - Manufacture of artificial materials : en
  • US2304024A - Adjustable trip for scales : en
  • CH224509A - Foot muscle massager. : de en
  • SU62626A1 - Essential oilseed harvesting machines, such as sage : en ru
  • SU62329A1 - Method of aeration of industrial enterprises with high temperature of working premises : en ru
  • SU62808A1 - A fitting for connecting a pneumatic tool hose to an air duct : en ru
  • CA408951A - Wire fabric : en fr
  • SU62628A1 - The method of obtaining artificial tanning : en ru
  • SU62619A1 - Air distributor for shaking molding machine : en ru
  • US2303345A - Process of making predominantly plastic material and tough products thereof from lignocellulose : en
  • US2303839A - Feeding mechanism for sewing machines : en
  • CA408943A - Soil disc packer : en fr
  • CA408978A - Polyamide production : en fr
  • PL31062B1 - : en pl
  • DE728897C - Ceramic heater with links held together by ceramic tie rods : de en
  • FR877392A - A method of manufacturing yarns, artificial fibers and the like from viscose having excellent working properties : en fr
  • US2303408A - Heat treatment of projectiles : en
  • US2303962A - Concentration of mica : en
  • US2303905A - Optical system for determining the color of inks : en
  • GB549685A - Pouncing hats : en
  • FR877239A - Furnace, especially for the distillation of asphalt rock and oil shale : en fr
  • DE728792C - Stop light switch for bicycles : de en
  • GB549768A - Improvements in or relating to sparking plugs and a method of making the same : en
  • DE728761C - Process for the production of cut parts from polyvinyl chloride foils for the clothing industry : de en
  • PL31121B3 - Telefunken Gesellschaft fur drahtlose Telegraphie m. B. H., Berlin Connection system for automatic gain control and connection system for detecting the balance of measuring bridges : en pl
  • GB549727A - Improvements in or relating to electric high-pressure metal-vapour discharge tubes : en
  • GB549618A - Improvements in traversers : en
  • CA408950A - Pump and filter : en fr
  • CA409074A - Spring cushion structure : en fr
  • CA409000A - Metal strip tensioning device : en fr
  • FR877323A - Method of embossing beads or beads on pistons of internal combustion engines : en fr
  • SU62400A1 - A device for measuring ship roll : en ru
  • US2303736A - Putting instruction device : en
  • SU62606A1 - Device for automatic control of mature mash stream : en ru
  • US2303831A - Escape bell for submarines : en
  • DE728745C - Drum drive for indicators : de en
  • PL31097B1 - Daimler-Benz flktiengesellschaft, Stuttgart-Unterturkheim Axle unit, flexibly suspended on the frame : en pl
  • US2303811A - Chemical recovery system for pulp mills : en
  • SU62290A1 - Anchor of DC electric machine : en ru
  • US2303604A - Treatment of tartarous liquors : en
  • US2303716A - Carbonator : en
  • US2303794A - Hot and compressed gas autogenerator : en
  • US2303882A - Tray for heat treating furnaces and the like : en
  • US2303924A - Television transmitting or receiving system : en
  • US2303959A - Circuit breaker : en
  • USD134461S - Design for a, tractor tire : en
  • CH224428A - Process for the production of monoanhydroxylitol. : de en
  • DE728844C - Process for the production of devices for converting invisible, in particular infrared rays into visible light : de en
  • DE728923C - Process for processing several heavy fluids with suspended matter at different settling speeds : de en
  • US2303467A - Heat treatment of metal articles having holes therein : en
  • DE728616C - Manufacture of paints : de en
  • DE728706C - Solder for soft soldering of aluminum and aluminum alloys : de en
  • CA409029A - Compressor engine speed controlling device : en fr
  • PL31096B1 - Bayerische Flugzeugwerke Regensburg G. m.b. H., Regensburg / fTfao A riveter in which the rivets are automatically fed from the tank to the place : en pl
  • DE728820C - Rope clamp : de en
  • US2303358A - Stable seismic wave amplifier with automatic volume control : en
  • US2303881A - Guy rod grounding clamp : en
  • US2303618A - Cot holding means : en
  • US2303762A - Conveyer belt : en
  • US2303897A - Multiple glazed unit : en
  • FR877282A - Tanning agents and process for preparing such bodies : en fr
  • FR877281A - Dyes for mordants and their manufacturing process : en fr
  • FR877269A - Device for obtaining a rectangular explored surface on the screen of a television transmitter or receiver tube : en fr
  • SU62242A1 - Automatic Tester : en ru
  • US2303472A - Graphic recorder : en
  • FR877399A - Process for obtaining coatings, and coatings obtained according to this process : en fr
  • CH224559A - Process for the preparation of the leuco-sulfuric acid ester of a vat dye of the anthraquinone series. : de en
  • PL31101B1 - Vulcanizing device for the production of small rubber items, especially parts of gas masks : en pl
  • SU62684A1 - Harmonic analyzer : en ru
  • SU62713A1 - The method of gasification of liquid oxygen : en ru
  • US2303879A - Typewriting machine : en
  • US2303787A - Speed changing mechanism : en
  • US2303360A - Apparatus for determining inclination of well bores : en
  • GB549732A - Improvements in or relating to sparking plugs : en
  • US2303919A - Compensating brine system : en
  • US2303992A - Injector nozzle : en
  • DE728764C - Process for the production of hollow bodies from steel by the cold spray process, starting from a preformed cup : de en
  • FR877170A - Process for the treatment of sewage sludge and the like and resulting products : en fr
  • GB549677A - Improvements in or relating to clips : en
  • GB549745A - Improvements in or relating to blinds : en
  • US2303471A - Electrical connector : en
  • SU62424A1 - The method of obtaining concentrates of vitamin b : en ru
  • SU62498A1 - Water purification method : en ru
  • US2303313A - Garment hanger : en
  • USD134469S - Marine craft : en
  • DE728667C - Arrangement for electrical measurement of the lubricant value of lubricants : de en
  • GB549722A - Improvements in or relating to engine valve sleeve operating mechanism and lubricating means therefor : en
  • SU62620A1 - Method of siphon steel casting : en ru
  • DE728568C - Photographic lens shutter : de en
  • GB549707A - Improvements in or relating to the manual control of d.c. electric circuits for the charging of storage batteries : en
  • PL31119B1 - Imbert - Generatoren G, m. B. H., Koln-Braunsfeld ^ lDj J Round and swinging grate horizontally and vertically for gas generators : en pl
  • US2303454A - Hydraulic system for damping or retarding moving bodies : en
  • US2303841A - Cooking utensil : en
  • US2304009A - Cigarette : en
  • US2303616A - Razor blade sharpener : en
  • DE728830C - Circuit arrangement for frequency stabilization of tube transmitters : de en
  • US2303546A - Method of separating impurities from lubricating oils : en
  • US2303773A - Textile finishing process : en
  • US2303834A - Liquid contact circuit closer : en
  • SU62795A1 - Loudspeaker for low frequency reproduction : en ru
  • US2303545A - Motor vehicle wheel suspension and shock absorption apparatus : en
  • DE728579C - Method for preventing sludge build-up in manifolds of a forced circulation boiler : de en
  • DE728888C - Wind heater or similar heat exchanger working according to the regenerative process : de en
  • FR877207A - Continuous and unlimited force movement until it wears out : en fr
  • US2303601A - Process and installation for the transverse reinforcement of pipes and other pieces : en
  • CH224498A - Time switch for high-frequency hardening systems. : de en
  • CH224544A - Pants holder for cyclists and pedestrians. : de en
  • PL31090B3 - Television broadcasting method and apparatus for applying the method : en pl
  • DE728731C - Receiver with a device for eliminating crackling noises : de en
  • SU62781A1 - The method of producing glue : en ru
  • SU62794A1 - Photocell : en ru
  • CH224485A - Contact brushes consisting of individual layers for electrical machines and switchgear. : de en
  • DE728504C - Bullet catch for shooting ranges : de en
  • FR877151A - Process for the preparation of azo dyes : en fr
  • SU62236A1 - Hermetic resistance furnace : en ru
  • US2303565A - Power tool : en
  • US2303633A - Film gate for picture projecting machines : en
  • US2303994A - Thermostatic snap action valve mechanism : en
  • FR877294A - Device for controlling the advance in reproducing machines, in particular in reproducing milling machines : en fr
  • SU62567A1 - Cleaning space fixing : en ru
  • US2304039A - Clutch plate : en
  • BE447508A - PROCESS FOR REGENERATION OF SALINE SLAG FROM THE MELT OF WASTE OF ALUMINUM OR ITS ALLOYS : en fr
  • CA409013A - Vibrator converter transformer : en fr
  • FR877384A - Process for making a parsilicate : en fr
  • US2303571A - Clasp : en
  • PL31095B1 - Device for heating oil in internal combustion engines : en pl
  • SU62387A1 - Automatic safety device to prevent engine crashes when loosening or excessive lengthening of reeled bolts : en ru
  • SU62336A1 - The method of regulating the fuel supply in internal combustion engines : en ru
  • CA408930A - Combined advertising device and lighter : en fr
  • CA408980A - Polymerized vinyl ester hydrolysis : en fr
  • CH224438A - Photographic recording process and roll film camera for carrying out the process. : de en
  • PL31053B1 - : en pl
  • SU62791A1 - Zinc distillate oven : en ru
  • CA408984A - Carboxy compound preparation : en fr
  • CH224542A - Telescopic tube-like aircraft adjustment strut with built-in electric motor and gear. : de en
  • DE728533C - Process for the preparation of salts of aliphatic aminosulfinic acids : de en
  • CA408928A - Press : en fr
  • PL31037B1 - Heinrich Lanz Aktiengesellschaft, Mannheim Swivel vehicle frame : en pl
  • US2303819A - Stabilizing solution of tetra-alkyl lead compounds : en
  • CH224535A - Device for mending, in particular vulcanizing, the casing and air hoses of rubber tires. : de en
  • AU116169B2 - Improvements in methods and processes in manufacturing paints : en
  • CH224501A - Additional headlights for cornering and fog lights on motor vehicles. : de en
  • FR877389A - Mono-azo dyes and process for preparing these dyes : en fr
  • GB549709A - Manufacture of monoazo dyestuffs, and their use and the dyed products : en
  • SU62265A1 - Piston casting method : en ru
  • FR877331A - Stilbenic dyes and their manufacturing process : en fr
  • FR877328A - establishment of pupinized cables : en fr