• US2300311A - Holding fork for citrus fruits : en
  • US2300314A - Fuel pump : en
  • AU116025B2 - Improved mattress : en
  • DE727252C - Insulating sheet : de en
  • DK60286C - Chair, which is rotatable about a vertical axis. : da en
  • US2300066A - Liquid dispensing apparatus : en
  • US2299740A - Copolymerization product of vinyl halides and nuclearly halogenated arylalkanol esters of acrylic acid : en
  • CA408306A - Sanding machine for vehicles : en fr
  • DE727280C - Radio receiver with means for displaying the correct vote : de en
  • DE727233C - Process for making a drying ink binder from tallow oil : de en
  • US2299877A - Method of making porous metal frictional material : en
  • CH223960A - Process for the manufacture of a rimfire cartridge with a dry charged primer and rimfire cartridge manufactured according to this process. : de en
  • CH224016A - Lighter. : en fr
  • DE727056C - Device for enlarging the control range when regulating the output power of rectifier, inverter or converter arrangements that work with vapor or gas discharge paths, the control grids of which are combined into one or more groups : de en
  • FR876139A - Reduction planetary gear shift mechanism : en fr
  • FR876218A - Manufacture of meta-dioxanes : en fr
  • FR876222A - Obtaining sulfur or its compounds from alkaline earth sulphates and sulphurous fuels : en fr
  • GB548886A - Improvements in or relating to sieves for granular materials : en
  • CH223987A - Device for sluicing sections of a strip of any length, in particular for cathode ray oscilloscopes and electron microscopes. : de en
  • USD134188S - Combined bottle and encasement therefor : en
  • US2299889A - Remote shift mechanism : en
  • US2299979A - Pump : en
  • US2300270A - Key structure for tear strip containers : en
  • PL30994B1 - Schallband-Syndikat A. G., Berlin Box for sound films : en pl
  • US2299929A - Method of and apparatus for producing solid beadlets : en
  • USD134204S - Design fob a hat : en
  • DE727024C - Method for the transmission of messages : de en
  • CH223901A - Heat pump system, the heat pump of which works like a compression refrigeration machine. : de en
  • SE105778C1 - : en
  • CH223892A - Process for the production of plant protection products with good adhesive strength. : de en
  • CH224149A - Circuit arrangement for feeding an antenna system. : de en
  • DK60280C - Canned container. : da en
  • FR876104A - Method and device for determining the resistance to breakage of individual fibers : en fr
  • GB548909A - Securing means for locking two or more parts together or to another part : en
  • CH223953A - Dry substance for the production of a plastic mass that can be used as a paint. : de en
  • DE727071C - Short-range speaker built into the base or base of an electric table lamp : de en
  • DE727140C - Transport clamp for gang saw blades : de en
  • CH223936A - Cellulose saccharification process for the production of sugar not intended for food. : en it
  • FR876240A - purification of hydrocarbons with a view to their use in internal combustion engines : en fr
  • GB548901A - Improvements relating to the production of iso-paraffins : en
  • CA408185A - Rolling ring workstand for engines : en fr
  • CH223951A - Process for the production of an estrogenic substance. : de en
  • GB548929A - Improvements in or relating to grinding or shaping machines : en
  • US2299891A - Television transmitter : en
  • US2300334A - Electromagnetic rotating field system : en
  • DE727078C - Construction part of a frame truss made from solid plywood webs and timber girders : de en
  • US2300028A - Tunnel and similar structures : en
  • US2300119A - Process of making light-colored bituminous materials : en
  • USD134216S - Design for a mechanical pencil tip : en
  • DE727304C - Workshop lamp with adjustable lamp attached to a flexible metal tube : de en
  • DE727324C - Variable self-induction in the manner of a variometer with a fixed and a rotating coil for use in oscillation circles : de en
  • CH223995A - Watch. : en fr
  • CH224061A - Headlights. : de en
  • US2299884A - Relay valve : en
  • US2300245A - Camera construction : en
  • US2300122A - Cathead and spinning drum assembly : en
  • US2299778A - Making metal composite articles : en
  • US2300038A - Means for teaching telegraphy : en
  • DE727070C - Method for superimposing synchronization and graphic symbols : de en
  • AU119789B2 - Improvements in and relating to spectacles : en
  • US2299883A - Fluid coupling : en
  • US2300067A - Ship : en
  • US2300082A - Television receiver including automatic amplification control : en
  • US2299966A - Egg carton : en
  • US2299855A - Static ring for linemen's gloves : en
  • US2300034A - Mold and process of manufacture : en
  • USD134214S - Design for a dress : en
  • PL30960B1 - : en pl
  • DE727126C - Register switch for accordions : de en
  • US2299791A - Loader and tractor structure : en
  • SU61971A1 - The method of obtaining symmetric and asymmetric thioindigoid dyes : en ru
  • US2299954A - Bus or car window construction : en
  • US2300197A - Heddle frame : en
  • DE727037C - Fireproof, heat-resistant glass : de en
  • DE727248C - Vibration damper for camshafts : de en
  • DE727100C - Mill firing : de en
  • BE447124D - Moving sprocket for bicycles : en nl
  • CH223908A - Multi-part casting mold for the production of a multi-part radiator consisting of a ceramic mass, in particular porcelain. : de en
  • CH224134A - Process for the production of a high polymer body containing a color-forming residue. : de en
  • DE727069C - Device for the electrical transmission of characters by breaking them down into individual pixels : de en
  • DE727083C - Process for the production of films with holes of very small diameter and large number of holes per surface unit, z. B. as electrodes for electrical discharge vessels : de en
  • DK60285C - Row press for attaching soles to footwear. : da en
  • DE727114C - Irrigator with pressurizable fluid container : de en
  • DE727263C - Airplane mount for one or more machine guns : de en
  • FR876157A - Suspension, in particular for vehicles traveling on all terrains : en fr
  • GB548892A - Improvements in or relating to a crop collecting attachment for field mowers : en
  • US2300106A - Catalytic treatment : en
  • US2299804A - Container for liquids : en
  • US2300089A - Post for record books : en
  • DE727322C - Amplitude filter circuit for separating image signals and synchronous pulses when watching television : de en
  • FR876153A - Permanent magnet : en fr
  • DE727299C - Hydraulic braking device, especially for motor vehicles : de en
  • FR876201A - Catalytic alkylation of hydrocarbons : en fr
  • GB548831A - Improvements in chromium recovery : en
  • DE727075C - Equipment for the protection of electrical discharge vessels with directly or indirectly heated glow cathode and with gas or steam filling during commissioning : de en
  • GB548826A - An improved method of and means for dynamically balancing rotating bodies : en
  • GB548945A - Portable electric tool motor construction : en
  • CA408287A - Telegraph transmitter : en fr
  • CA408290A - Floor mop : en fr
  • CH223903A - Fireplace hat. : de en
  • CA408234A - Modulated carrier wave radio transmitter : en fr
  • US2300129A - Helical flow separator : en
  • US2300283A - Process and apparatus for dewaxing oil : en
  • US2299902A - Bottle breaker : en
  • US2300036A - Change speed transmission gearing : en
  • USRE22214E - Kefrigeration apparatus : en
  • US2300387A - Road machine : en
  • US2300346A - Journal box assembly : en
  • US2300349A - Fastener and fastener installation : en
  • US2300141A - Remelting method and apparatus : en
  • PL31000B1 - : en pl
  • US2299833A - Louver mechanism for attic ventilation : en
  • US2300174A - Electric control system : en
  • USD134169S - Design for a coffee maker : en
  • US2300164A - Remote control mechanism for sulky rakes : en
  • CH223990A - Procedure for deleting a magnetic sound recording. : de en
  • DE727190C - Circuit arrangement for regulating the transmission rate of transmission systems with the aid of regulating resistors : de en
  • US2300207A - Device for holding dishes in cupboards : en
  • BE447018A - : en fr
  • US2300021A - Multidrawer container : en
  • FR876131A - Suction silencer : en fr
  • US2300061A - Waffle baker : en
  • GB548822A - Improvements relating to automatic phonographs : en
  • DE727009C - Process for the cold rolling of profiles which should have different hardnesses and strengths at different points in their cross-section : de en
  • DE727133C - Fastening device for key plates u. like : de en
  • US2299992A - Barge : en
  • USD134187S - Design for a statuette : en
  • FR876129A - Apparatus for loading drawing benches of spinning machines : en fr
  • FR876215A - Geophysical prospecting process : en fr
  • CH224106A - Exchangeable check valve for pneumatic tires, especially for bicycles. : de en
  • US2300114A - Telephone switch operator : en
  • US2299856A - Timing mechanism : en
  • US2299870A - Electric fixture : en
  • PL30956B1 - Television and radio reception equipment : en pl
  • DE727224C - Drilling and grinding machine for producing profile holes in nozzles and drawing dies : de en
  • DE727093C - Means for dusting fresh prints : de en
  • SU61826A1 - The method of determining the position of the fire in the underground gasification of combustible : en ru
  • US2299742A - Process for preparing phosgene oxime : en
  • US2299814A - Pipe drilling apparatus : en
  • US2300241A - Covered rubber thread : en
  • FR876148A - Process to renovate the impressed photographic layers : en fr
  • US2299784A - Liquid expressing system : en
  • US2299996A - Wearing apparel : en
  • US2299840A - Wedge heel : en
  • US2299774A - Machine for treating shrimp : en
  • US2300033A - Process for catalytic conversion of hydrocarbons : en
  • US2300172A - Automatic bar welding apparatus : en
  • US2299776A - Panel welding machine : en
  • US2300312A - Fruit peeler : en
  • CH224152A - Automatic distributor and regulator device for compressed fluid brake systems for vehicles. : en fr
  • CA408284A - Locomotive stoker : en fr
  • DK60279C - Flax shaking machine at the root. : da en
  • GB548859A - Improvements in ignition device for gas burners for absorption refrigerating apparatus : en
  • GB548939A - Improvements in or relating to fruit feeding mechanism : en
  • GB548841A - Improved spark plug and method of making same : en
  • DE727112C - Process for removing solids from oils : de en
  • US2300368A - Closure and adhesive therefor : en
  • FR876145A - Frame glasses with adjustable nose height : en fr
  • DE1524415U - : de en
  • GB548810A - Improvements in electric circuit-breakers having arc-extinguishing arrangements : en
  • US2299943A - Railway equipment : en
  • DE727330C - Device for generating an alternating voltage that can be changed in size and direction, e.g. B. for electrical following motion or speed controls : de en
  • CA408186A - Combined cushion and life-belt : en fr
  • CH224051A - Metal-walled electric discharge tube and process for their manufacture. : de en
  • FR876167A - Machine for cutting racks and toothed wheels using the involute milling process : en fr
  • USD134191S - Design fob a medal : en
  • AU373041A - Improvements in and relating to rotary pumps or air exhausters : en
  • CA408220A - Railway car coupler support : en fr
  • US2300113A - Building construction : en
  • CH224100A - Chain with rubber feet. : de en
  • CH224105A - Tire casing for bicycles. : de en
  • US2299869A - Safety razor and blade : en
  • CA408222A - Synthetic resinous composition : en fr
  • CH224060A - Converter working with switching chokes and periodically actuated contacts. : de en
  • CH224150A - Device on streamlined vehicles with an engine in the rear for supplying cooling air to the engine compartment. : de en
  • CH223926A - Chain boom regulator for looms. : de en
  • FR876197A - Further development in connecting rod heads for piston machines : en fr
  • CH224080A - Receiving device for tactile signals transmitted at carrier frequencies. : de en
  • US2299832A - Louver construction : en
  • US2299930A - Controlled sweatband guide : en
  • CA408179A - Hair curling pad : en fr
  • CH223937A - Product for the manufacture of dextrin. : de en
  • CH224044A - Angled end grommet for electrical installations. : de en
  • CA408208A - Solder : en fr
  • DE727122C - Chassis for a machine for piercing plant holes : de en
  • CH224076A - Radio receiver in which an electrode system is used for rectification, which is arranged with an amplifier electrode system in a single tube around a common cathode. : de en
  • CA408282A - Yeast manufacture : en fr
  • CH224119A - Process for the preparation of a new pyrazolone derivative. : de en
  • DE727278C - Radio receiving device with means for suppressing short-term interference : de en
  • US2299777A - Wringer : en
  • US2299950A - Dishcloth : en
  • US2300252A - Hemacytometer : en
  • DE727237C - Adcock antenna system : de en
  • FR876119A - Gas engine : en fr
  • GB548827A - Improvements in or relating to rotary internal-combustion engines : en
  • GB548877A - Separation of anthracene from carbazole : en
  • CH224030A - Opposing piston internal combustion engine with at least one cylinder insert. : de en
  • US2300292A - Snap fastener member : en
  • GB548806A - Manufacture of a vat dyestuff : en
  • US2300280A - Apparatus for sweeping : en
  • DE727345C - Internal combustion engine with a chamber connected to the combustion chamber : de en
  • US2300284A - Lubrication apparatus : en
  • DE727130C - Photographic camera with attachable electric light meter : de en
  • DE727317C - Iron-silicon alloy for magnetically stressed objects : de en
  • FR876202A - Catalytic isomerization of hydrocarbons : en fr
  • GB548964A - Appliance for relieving ropes, cables and cords from the effects of sudden changes in tensile loading : en
  • DE726880C - Rotary switch with tension spring and tensioning device built into the rotary handle : de en
  • CA408298A - Cathode ray tube : en fr
  • US2299983A - Cotton fiber measuring instrument : en
  • US2300108A - Illuminating mechanism for handbags : en
  • GB548912A - Improvements relating to the production of aroxy silicones : en
  • GB548934A - Improvements in mechanical remote control means : en
  • FR876147A - Transformer for mutators : en fr
  • US2299928A - Sliding seat structure : en
  • US2300111A - Faucet and valve therefor : en
  • US2300256A - Manifolding appliance for fanfolded forms : en
  • USD134206S - Design for a mechanical pencil tip : en
  • US2299755A - Product from petroleum and process for producing same : en
  • DE727151C - Fine boring spindle with a radially movable tool head mounted in a feed sleeve : de en
  • CA408232A - Photographic duplicating material : en fr
  • FR876112A - Process of applying drawings and inscriptions on relief models : en fr
  • FR876184A - Device for indicating musical chords to the harmonist composer : en fr
  • US2300109A - Bedpan ventilator : en
  • US2300193A - Covering : en
  • US2299735A - Joint for golf clubs and the like : en
  • ES151299A3 - A PROCEDURE FOR THE CONSTRUCTION OF ELECTRICAL MECHANISMS FOR THE PROPULSION OF GRAMOLS : en es
  • GB548952A - Improvements in or relating to control devices for fluid-operated machines and apparatus : en
  • DE727144C - Electrodynamic small ears with permanent magnets : de en
  • DE727145C - Three-phase lead cable for low voltage : de en
  • ES151292A1 - GAS DEPOSITING APPARATUS FOR GASOGENS OF AUTOMOBILES AND OTHER VEHICLES : en es
  • US2299827A - Process for mounting glass pulls : en
  • DE727148C - Device for Schaeften thin veneers or the like. : de en
  • US2299873A - Leaf spring : en
  • FR876124A - Device for profiling the edge of sheets : en fr
  • GB548835A - Wheeled skate : en
  • GB548884A - Improvements in or relating to sifting apparatus : en
  • GR9996B - HOW TO MAKE WIRE ELECTRIC PIPES WITHOUT ELASTIC HAIR. : el en
  • CH223910A - Process for manufacturing non-homogeneous glass objects. : en fr
  • US2300080A - Eye opening and closing mechanism for dolls : en
  • GB548862A - Improvements in and relating to the production of anodic coatings on aluminium or aluminium alloys : en
  • FR876120A - Phase shifting of periodic successions of similar signals : en fr
  • US2300225A - Safety primer for electric blasting caps : en
  • DE727064C - Process for the production of ketocarboxylic acid pellets : de en
  • DE727087C - Monitoring device for the light source of a warning sign, in particular to indicate that trailers are being carried behind a truck : de en
  • DE727131C - Closure for vessels : de en
  • DK60267C - Rail fastening device at wooden sleepers with associated rail nails. : da en
  • FR876211A - Separation of calcium carbonate from ores by foam flotation : en fr
  • GB548898A - Improvements in or relating to the propulsion of aircraft and other vehicles : en
  • FR876125A - Improvements in manufacturing processes for aluminum clad iron, in particular for discharge tube electrodes : en fr
  • USD134217S - Textile fabric : en
  • DE727091C - Leaching device with inclined rotatable leaching cylinder for uninterrupted countercurrent leaching : de en
  • DE727193C - Lock for shaft doors with electric lifts : de en
  • DE727254C - Boring bar with a tool carrier which can be adjusted in a guide running transversely to the axis of rotation by means of an adjusting screw mounted in a cavity in the boring bar : de en
  • CA408286A - Locomotive stoker : en fr
  • DK60282C - Child saddle for Bicycles. : da en
  • AU324641A - Improvements relating to compression-ignition fuel-injection engines : en
  • US2300279A - Manifolding pack : en
  • US2300319A - Apparatus for clearing clogged drains : en
  • US2300338A - Hydraulic press and the like : en
  • FR876204A - Method and device for forming edges : en fr
  • US2299904A - Hand grenade : en
  • US2300211A - Film producing process and apparatus : en
  • US2299730A - Vessel attachment : en
  • US2300329A - Method of heat treating steel wire and apparatus therefor : en
  • US2300072A - Electrical condenser : en
  • US2300161A - Cover fastener : en
  • US2300112A - Hydraulic cylinder by-pass control : en
  • US2300130A - Balanced slicing silencer : en
  • PL31008B1 - : en pl
  • US2299988A - Process of treating rubber and like substances : en
  • USRE22213E - Process fob the recovery of glyc : en
  • FR876115A - Washing water for depilatory agents : en fr
  • FR876179A - Process for manufacturing ceramic objects in the form of plates : en fr
  • PL30987B1 - : en pl
  • US2300074A - Sizing : en
  • US2300166A - Circular screen support : en
  • US2300136A - Control for automotive vehicles : en
  • US2300336A - Magnetic alloy of iron and aluminum : en
  • DE727137C - Moving coil measuring device for displaying current values set by an encoder : de en
  • DK60273C - Device for Backpacks. : da en
  • FR876185A - Chassis, in particular for motor cars, with side members curved towards each other, substantially in the form of a chi : en fr
  • GB548941A - Improved power-transmission means for motor vehicles : en
  • US2300362A - Bearing for integrating and like meters : en
  • GB548900A - Improvements in or relating to directional radio transmitters or radio beacons : en
  • FR876219A - Arc extinguishing electric switch : en fr
  • FR876225A - Connection clamp for establishing electrical contact : en fr
  • DE727306C - Brake device for aircraft wheels : de en
  • FR876239A - New carbonization process : en fr
  • GB548848A - Electrical transformers : en
  • US2300020A - Time switch : en
  • PL30998B1 - : en pl
  • US2300205A - Apparatus mounting arrangement : en
  • US2300370A - Sucker rod elevator : en
  • CH224062A - Darkening use on a vehicle headlight. : de en
  • US2300103A - Process for breaking petroleum emulsions : en
  • US2300018A - Ladder structure : en
  • USD134211S - Design for a dress : en
  • DE727348C - Device for adjusting the cutting roller in core cutting machines : de en
  • US2300272A - Railway traffic controlling apparatus : en
  • US2300051A - Method of and mechanism for tying knots : en
  • CA408259A - Box car lining : en fr
  • DE727186C - Magnetostrictive underwater sound transducer : de en
  • GB548915A - Improvements in and relating to ships carrying cargo : en
  • US2299849A - Steam generating plant : en
  • US2300023A - Shaft operating and locking device : en
  • GB548906A - Improvements in or relating to the preparation of modified alkyd resins : en
  • DE727346C - Device for switching a switchable electric motor for adjusting a continuously variable transmission on machine tools : de en
  • PL30953B1 - : en pl
  • FR876249A - Sidecar for bicycle : en fr
  • IE16365L - Electric impulse control circuits : en
  • FR876146A - equipment of automobiles for automatic maintenance of the travel direction : en fr
  • CA408216A - Road finishing machine : en fr
  • FR876155A - Mounting device intended for the production of ultra-short wave pulses, in particular of the order of one decimeter : en fr
  • FR876127A - Pulse generator setup with a well-defined phase : en fr
  • US2299926A - Automotive suspension : en
  • DE727164C - Arrangement for the control of single-frequency transmitters via cable : de en
  • DE727068C - Telex receiver for receiving various messages arriving one after the other over a line : de en
  • GB548867A - An improved press for cutting sheet metal : en
  • GB548869A - Improvements in annular floating toothed gears : en
  • CA408273A - Hydraulic disrupting apparatus for solids : en fr
  • CH223898A - Wood burning stove. : de en
  • BE447395R - IRON STAY FOR MINING GALLERIES : en fr
  • CH223983A - Topographic level with automatically horizontal line of sight. : en it
  • CH223889A - Harrowing machine. : en fr
  • PL30992B1 - : en pl
  • DE727319C - Process for finishing, in particular making textiles water-repellent : de en
  • ES151298A1 - A PROCEDURE FOR CONSTRUCTION OF STEERING WHEELS FOR EARTH, AIR AND WATER SELF-SUPPLIES : en es
  • DE727228C - T-shaped, divisible solid block : de en
  • FR876216A - Process for changing the water content of a fluid : en fr
  • US2300228A - Nut construction : en
  • GB548940A - Improvements in or relating to fruit pitting mechanism : en
  • CH223973A - Developing solution for color developing a material for color photography. : de en
  • DE727295C - Thread wrapping machine with cutting device for the wrapping thread : de en
  • CH223989A - Piezo crystal oscillator. : de en
  • CH224121A - Process for the preparation of a 1-arylamino-5-oxynaphthalene-7-sulfonic acid. : de en
  • CA408293A - Soap cake for dispensers : en fr
  • CH224130A - Process for the production of a high polymer body containing a color-forming residue. : de en
  • FR876159A - Azo dyes and their preparation process : en fr
  • US2300025A - Valve and combustion chamber of four-stroke internal combustion engines : en
  • US2300367A - Shot shell closure : en
  • US2300365A - Safety goggles : en
  • CA408207A - Solder flux : en fr
  • CA408310A - Electric cartridge fuse : en fr
  • US2299990A - Photographic print dater : en
  • CA408228A - Electron discharge amplifier : en fr
  • PL30939B1 - Hazeltine Corporation, Jersey City, New Jersey '' Speaker with a funnel and a second funnel in it to diffuse the sound waves : en pl
  • US2299795A - Posting tray and signature card file : en
  • US2299936A - Process of manufacture of slide fastener elements : en
  • FR876195A - Installation of internal combustion engine : en fr
  • DE727251C - Spring arrangement : de en
  • US2300208A - Urea-aldehyde resin composition : en
  • CH223927A - Device for dyeing rayon reels. : de en
  • US2299789A - Apparatus for degreasing gear casings : en
  • US2299798A - Electrical clearance measuring system : en
  • USRE22209E - Feeding mechanism for shaker or : en
  • CH223917A - Method for fixing a metal closure member on a bottle or the like. : en fr
  • CH223976A - Skittles. : en fr
  • CH223970A - Means of transmission, in particular ink ribbon for typewriters and processes for their manufacture. : de en
  • FR876116A - Process for improving the stamping capacity of steel for cartridge cases : en fr
  • CH223907A - Time delay heater. : en fr
  • CH224133A - Process for the production of a high polymer body containing a color-forming residue. : de en
  • DE727089C - Sound transmitter operated with compressed air for echo sounder systems : de en
  • GB548823A - Improvements in or relating to propeller blades : en
  • CA408271A - Polyvinyl alcohol composition : en fr
  • CA408217A - Weatherstrip : en fr
  • CH223906A - A stove that can be used for washing purposes for bathing purposes. : de en
  • CH224017A - Screw locking. : de en
  • US2299960A - Bracket and method of transposing wires : en
  • US2300035A - Means for suspending aerial cables : en
  • CA408289A - Insulating material weaving apparatus : en fr
  • CA408188A - Ski fitting : en fr
  • US2300293A - Shafting : en
  • AU112441A - Improvements in modulation systems for radio and like transmitters : en
  • CA408209A - Solder : en fr
  • CH224085A - Lighting device for luminous circuit diagrams. : de en
  • DE727094C - Method of measuring distortion : de en
  • DK60277C - Hagelaas for Belts, Chains and similar Organs. : da en
  • AU391841A - Improvements in or relating to devices for lifting bags andother articles : en
  • CH224123A - Process for the preparation of a 1-arylamino-5-oxynaphthalene-7-sulfonic acid. : de en
  • CA408302A - Refrigerator car door : en fr
  • AU116021B2 - Process for the preparation of heterocyclic compounds of the thiodiazole series : en
  • CH224066A - Electric healing apparatus. : de en
  • CH224079A - Ultra-high frequency device with a transmission line, the transmission characteristics of which are variable. : de en
  • CH224114A - Shock absorbers, in particular for aircraft landing gears. : de en
  • CH224021A - Elastic coupling, especially for high-speed internal combustion engines. : de en
  • CH224063A - Headlights, in particular for vehicles. : de en
  • BE447254A - : en
  • US2299731A - Display system for moving vehicles : en
  • US2299911A - Motor starting apparatus : en
  • US2300039A - Package type sewage ejector : en
  • US2299994A - Moistening mechanism : en
  • US2300185A - Registering means for labeling and other machines : en
  • US2300378A - Governor : en
  • CA408213A - Respirator : en fr
  • CH224092A - Container made from mineral building materials. : de en
  • CH224022A - Coupling for shafts, wheels and the like using spur gears. : de en
  • CH224097A - Electric control device for motor vehicles. : en fr
  • BE447342A - : en
  • PL30957B1 - : en pl
  • CA408243A - Stable coloured crystalline alkali metal composition : en fr
  • DE727082C - Speed control in internal combustion engines : de en
  • US2299772A - Seal arrangement : en
  • US2299955A - Weather strip and method of making the same : en
  • US2299762A - Bicycle light : en
  • US2300342A - Garter clasp : en
  • US2299753A - Welding jig : en
  • USD134176S - Design for a photoelectric cell : en
  • US2299913A - World clock : en
  • US2300379A - Saddle construction : en
  • GB548910A - Securing means for locking two or more parts together or to another part : en
  • US2299908A - Insulating block : en
  • US2300343A - Hoisting mechanism : en
  • CH224001A - Process for obtaining fine tin. : en fr
  • US2300084A - Floor covering : en
  • PL30985B1 - Kalle & Co. Aktiengesellschaft, Wiesbaden : en pl
  • CA408239A - Thermoplastic material : en fr
  • CH223912A - Wood gas generator. : de en
  • CH224110A - Safety device for bicycle air pumps. : en fr
  • DE727334C - Self-starting, pole-changing synchronous motor : de en
  • DE727188C - Circulating endless sieve belt for water and wastewater treatment : de en
  • CH224103A - Hydraulic flow converter, in particular for motor vehicles. : de en
  • DE726980C - Ready-made tie with stiffening insert : de en
  • GB548852A - Improvements in and relating to systems of automatic control for synchronous frequency converters : en
  • CA408225A - Electric translating circuit : en fr
  • US2299917A - Sulphur composition : en
  • US2300257A - Carbon interleaved stationery : en
  • US2300303A - Bottle cooler : en
  • CH223914A - Installation for supplying acetylene to an internal combustion engine mounted on a vehicle. : en fr
  • BE447054A - : en
  • CA408181A - Refill fuse plug : en fr
  • CA408219A - Hydraulic jack : en fr
  • BE447160A - : en
  • CH223928A - Product for the production of thickeners. : de en
  • USD134183S - Design for a lamp shade : en
  • BE447148A - : en
  • CH224028A - Two-shaft opposed piston internal combustion engine. : de en
  • CH224132A - Process for the production of a high polymer body containing a color-forming residue. : de en
  • US2300017A - Railway roadbed cleaner : en
  • DE727238C - End plate consisting of concentric rings for rotary capacitor housing : de en
  • CH224091A - Cord closure on packages. : de en
  • DE727234C - Circuit to avoid sideband interference from frequency-adjacent transmitters in radio receivers : de en
  • IE16307L - Firelighters : en
  • US2300361A - Primed shell testing apparatus : en
  • CA408309A - Ultra-light alloy : en fr
  • PL30951B1 - : en pl
  • DE727146C - Method for reducing the noise voltage of high-ohmic resistance layers formed from conductors or semiconductors : de en
  • BE447155A - New educational toy : en fr
  • GB548950A - Improvements in or relating to carburettors for internal combustion engines : en
  • DE727286C - Process for the preparation of monoazo dyes : de en
  • DE727311C - Receiving arrangement for remote pulse frequency transmission in which capacitors are periodically charged and discharged at the receiving location : de en
  • FR876234A - Dryer-oven for fruits and vegetables : en fr
  • FR876189A - Process for manufacturing catalyst gels : en fr
  • GB548958A - An improved flower pot : en
  • US2299837A - Post bracket : en
  • US2300374A - Cotton handling apparatus : en
  • USD134190S - Display figure os similar article : en
  • FR876101A - Equipment for the protection of current rectifiers whose discharge paths are arranged in mono-anode tanks : en fr
  • CH224151A - Device for preventing the panes of windows on passenger vehicles from fogging up, in particular railroad cars. : de en
  • US2300191A - Radial multiple expansion steam engine : en
  • US2300202A - Circuit breaker : en
  • DE726987C - Production of electrolyte pastes for dry elements : de en
  • DE727120C - Speed measuring device for vehicles on inclines : de en
  • GB548847A - Improvements in or relating to copy or manuscript holders for typographical composing machines, typewriters and similar key or keyboard operated machines : en
  • US2300291A - Petroleum products : en
  • US2300347A - Trigonometrical calculating device : en
  • US2300069A - Process for the polymerization of olefins to high molecular weight substances : en
  • US2300218A - Electrolytic reduction of sugars in acid solutions : en
  • USD134161S - Design for a kneeling rail : en
  • US2300121A - Deep well pump : en
  • USD134179S - Design for a deck of playing cards : en
  • FR876232A - Self-restoring compressed air differential motor : en fr
  • FR876235A - Razor enhancements : en fr
  • PL30970B1 - : en pl
  • US2299765A - Means for preventing retrograde movement of motor vehicles and the like : en
  • US2299934A - Inductive heating apparatus and method : en
  • DE727259C - Method for producing an opening edge reinforcement on hangable containers made of textile material or the like. : de en
  • US2299754A - Resilient fastener : en
  • FR876140A - Fuel injection device for internal combustion engines : en fr
  • SU61918A1 - The method of rubber regeneration using gases : en ru
  • US2299811A - Compressor for refrigerating apparatus : en
  • US2299962A - Gravitationally actuated hanger : en
  • US2300239A - Signal recording and communication system : en
  • FR876154A - Device for loading a hearth with lumpy fuel, in particular for locomotives : en fr
  • PL31006B1 - Patent-Treuhand-Gesellschaft fiir elektrische Gluhlampen m. B. H., i Electric bulb for series connection, especially for electric circuits connected to the network with a voltage exceeding 220 V : en pl
  • USD134196S - Design fob a filling horn : en
  • US2299723A - Rodent poison feeder : en
  • US2299846A - Pull tab for slide fastener sliders : en
  • GB548865A - Improvements in or relating to machines for affixing and cancelling stamps : en
  • GB548936A - Improvements in or relating to roller-driving mechanism : en
  • GB548872A - Door-operating mechanism for the doors of dump vehicles : en
  • DE727332C - Electrical remote monitoring device for high and low voltage fuses for alternating current and direct current : de en
  • GB548868A - Improvements in or relating to engines incorporating a plurality of pistons : en
  • GB548860A - Improvements in filing or abrading machines : en
  • DE727298C - Hydrofoil with rotatable, surface-like body : de en
  • GB548824A - Improvements relating to the securing of end fittings to stranded wire cables, particularly for windscreen wiper control mechanism : en
  • FR876176A - Chi ray machine : en fr
  • US2299792A - Electric discharge tube : en
  • US2300115A - Noise limiter : en
  • US2300052A - Electron discharge device system : en
  • US2300102A - Cover interlock for electrical casings : en
  • US2300123A - Process for the catalytic polymerization of olefins : en
  • US2300388A - Lubricating means for sewing machine loop takers : en
  • US2299839A - Polymeric materials : en
  • US2300234A - Luminous sign : en
  • DE727149C - Device for correcting inaccurate settings and subsequently locking the control levers at checkouts : de en
  • FR876246A - Transportable kiln for carbonization of wood : en fr
  • CA408229A - Radio noise limiting circuit : en fr
  • US2300229A - Freezer for peas and other produce : en
  • US2300285A - Variable speed driving mechanism : en
  • FR876213A - Process for hydration of acetylenic compounds : en fr
  • CA408199A - Painter's pot hanger : en fr
  • US2300047A - Hydraulically controlled metal hack saw : en
  • DE727269C - Aiming device for cannons, machine guns or the like. : de en
  • US2299893A - Process for concentrating minerals : en
  • US2300154A - Attaching means for apparel elements : en
  • AU723942A - Improvements in and relating to spectacles : en
  • CA408277A - Germ extract preparation : en fr
  • CH224045A - Electric remote control method. : de en
  • CH223965A - Paper material for the production of posters with text and pictures using templates. : de en
  • US2300163A - Electric dynamometer : en
  • US2300333A - Card holder : en
  • US2300369A - Separable slide fastener : en
  • FR876161A - Deflector device for cathode ray tubes : en fr
  • GB548825A - Improvements in or relating to magneto ignition apparatus : en
  • GB548874A - Improvements in and relating to straight bar knitting machines : en
  • PL30968B1 - : en pl
  • US2299843A - Drilling apparatus : en
  • PL30966B1 - : en pl
  • US2300238A - Last for burial footwear : en
  • FR876192A - New dizazo dyes : en fr
  • DE727142C - Process for digesting rock phosphates : de en
  • DE727247C - Shaking table for the suitability test of devices with a vertical or horizontal pendulum that picks up the test sample and transfers the shaking vibrations to it : de en
  • US2299899A - Method of analyzing volatile mixtures : en
  • US2300348A - Method for cleaning oil wells : en
  • IE16364L - Impulsing circuits for control purposes : en
  • DE727296C - Method for sewing reinforcement bands and pockets on corsets, bandages, etc. like : de en
  • DK60288C - Closing device at Pakkasser. : da en
  • DE727134C - Clothes hooks : de en
  • US2299727A - Furnace and associated parts : en
  • SU61874A1 - Machine for erecting steeper attachment of steeply dipping seams : en ru
  • FR876221A - Lubricating : en fr
  • US2299971A - Lift truck : en
  • US2300235A - Isomerization of paraffins : en
  • DE727187C - Slot bunker facility with several bunker compartments : de en
  • DE727060C - Launch device for missiles : de en
  • US2299828A - Fire alarm switch tripping mechanism : en
  • CH224145A - Starting device for internal combustion engines. : de en
  • US2299967A - Moistener for duplicating machines : en
  • US2299923A - Musical instrument : en
  • US2300181A - Means for constructing buildings : en
  • CA408224A - Electric arc interrupter : en fr
  • CA408212A - Corrosion inhibitor : en fr
  • US2300354A - Unbalance correction method and machine : en
  • BE447291A - : en
  • USD134174S - Similar article : en
  • US2300356A - Terminal for rail bonds : en
  • US2300389A - Coolant control and lock for spindle turrets : en
  • CH224058A - Arrangement for the in-phase switching on of single-phase AC consumers by means of ignition-pin-controlled discharge vessels. : de en
  • PL31004B1 - : en pl
  • US2299831A - Shoe and shoe bottom unit : en
  • DE727065C - Longitudinally displaceable and rotatable housing support for centrifugal machines, in particular steam or gas turbines with radial action : de en
  • AU723442A - Improvements in gauges for checking distances and holes : en
  • CH223967A - Device for closing and opening the lining up brackets on letter folders. : de en
  • SU61925A1 - Method of making high-refractory products : en ru
  • CA408280A - Yeast production : en fr
  • AU116011B2 - Improvements in or relating to methods of isomerizing polyunsaturated fatty acids and to drying oils prepared therefrom : en
  • AU723642A - Improvements in or relating to fire-extinguishing apparatus : en
  • AU116024B2 - Improved apparatus for de-twisting metal sections : en
  • PL30952B1 - : en pl
  • CA408182A - Record card assorting apparatus : en fr
  • CA408297A - Wave filter : en fr
  • CH223997A - Automatic drive for clocks, advertising devices, eye catchers and the like. : de en
  • US2299878A - Junction box : en
  • CH223991A - Method and device for producing reproducible vibration patterns. : de en
  • DE727167C - Spacer for high-frequency double-wire lines : de en
  • US2299736A - Dispensing apparatus of the magazine type : en
  • DE727106C - Device for conveying suspended matter from a container by means of compressed air : de en
  • GB548933A - Improvements in lorries, trucks or like vehicles : en
  • CH224049A - Electric discharge tube. : de en
  • US2300182A - Cake knocker : en
  • US2299982A - Adjustable sleeve : en
  • PL30974B1 - : en pl
  • CH224146A - Gas turbine plant in which part of the working fluid is circulated while another part is removed from the cycle. : de en
  • CA408238A - Polyphase wattmetric relay : en fr
  • DK60270C - Apparatus for generating short-term electrical voltage pulses in electric fences. : da en
  • US2300363A - Work-positioning and backlash compensating device for machine tools : en
  • GB548799A - Valve : en
  • GB548959A - Improvements in or relating to shock absorbing suspension devices for vehicles : en
  • FR876209A - Advanced planographic printing plate : en fr
  • CH223959A - Device for extracting oil, fat, wax and the like. : de en
  • CA408301A - Naphthalene derivative : en fr
  • CH224023A - Vibrating work equipment. : de en
  • CH223982A - Aircraft variometer. : de en
  • CH224142A - Device on centrifugal fans for converting the speed of the conveying medium generated in the rotor into pressure, using diffusers and one or more spiral housings. : de en
  • DE727276C - Filler for exchange columns : de en
  • US2299815A - Gas detector : en
  • GB548851A - An improved clamping ring for the closures of drums and like containers : en
  • CH224033A - Method and device for operating turbo machines for elastic liquids at reduced speed BEZW. Partial load. : de en
  • DE727329C - Connection clamp for tubular electrical lines : de en
  • ES151296A1 - IMPROVEMENTS IN COAL GAS GENERATORS APPLICABLE TO INTERNAL COMBUSTION ENGINES : en es
  • US2300224A - Tape : en
  • US2300357A - Combination heating and cooling unit for motor vehicles : en
  • DE727138C - Electric horn, especially for vehicles : de en
  • DE727326C - Broadcast measuring device : de en
  • US2300156A - Lighter for gas burners : en
  • US2299997A - Precision measuring device : en
  • DE727219C - Closure flap arrangement on load shedding openings in aircraft : de en
  • DE727347C - Operation of a hydraulically operated counter-blow hammer : de en
  • US2300297A - Matrix making machine : en
  • DE727027C - Clamp for electrical overhead lines, especially for lines made of different metals : de en
  • DE727162C - Self-indicating target course indicator : de en
  • DE727176C - Method of making a step lens : de en
  • DE727291C - Device for limiting the deflection of a coffin handle suspended in a pendulous manner : de en
  • US2299768A - Treatment of solid contact masses : en
  • USD134218S - Design for a textile fabric : en
  • US2300095A - Machine and method for covering balls : en
  • US2299816A - Article forming and handling mechanism : en
  • US2300263A - Rapid operating valve : en
  • US2299829A - Musical instrument stand : en
  • USD134201S - Design for a dress : en
  • CA408256A - Tractor : en fr
  • US2299838A - Hot line stick : en
  • DE727045C - Injection device for internal combustion engines : de en
  • DE727301C - Acid ramming mass for electric, especially high frequency ovens : de en
  • FR876160A - Improvements to devices comprising a gas-filled electric discharge tube : en fr
  • GB548856A - Improvements in or relating to absorption refrigerating apparatus : en
  • GB548903A - Improvements in azo compounds and material coloured therewith : en
  • GB548828A - Improvements in and relating to cartons with pouring devices : en
  • GB548951A - Improvements in or relating to knitted fabrics and to methods for producing such fabrics : en
  • GB548845A - Improvements in the construction of clips for hoses : en
  • GB548923A - : en
  • FR876242A - Improvement in the manufacture of dry cells : en fr
  • DE727165C - Use of the arrangement for the control of single-frequency transmitters via cable : de en
  • GB548949A - Improved first-aid dressing : en
  • DE727180C - Device for emptying the circuit of a flow coupling : de en
  • CA408261A - Flux for light metals : en fr
  • US2299767A - Thermally operated switch and the like : en
  • US2299871A - Cutting metal alloy : en
  • US2299897A - Signaling system : en
  • DE727051C - Process for the preparation of monocyclic lactones with 14í¬18 ring members : de en
  • DE727211C - Lighting device with a rearview mirror : de en
  • US2299948A - 9, 9 di-(beta-carbamyl-ethyl) fluorene : en
  • US2300049A - Air outlet device : en
  • DE727057C - Process for splitting hydrocarbon oils : de en
  • BE447044A - : en fr
  • US2300027A - Reinforcement clip and spacer : en
  • CH224128A - Process for the preparation of a primary disazo dye. : de en
  • CA408248A - Cast iron treating method : en fr
  • US2299914A - Trolley switch and switching system : en
  • US2300324A - Method of and mechanism for classifying finely comminuted material : en
  • DE727170C - Device to prevent power fluctuations in synchronous machines : de en
  • DK60272C - Procedure for vertical centrifugal casting of metal bodies with core cavities by means of a shape-stable core stationary in a rotating mold. : da en
  • GB548922A - Improvements in and relating to wall and roof constructions of reinforced concrete for houses, sheds, huts and other buildings : en
  • CH224019A - Plain bearings for rotating shafts. : de en
  • US2299771A - Synchronous motor starter : en
  • BE447239A - : en
  • CH224087A - Device for carrying a military storm pack. : de en
  • DE726796C - Electrolyte, especially for electrolytic capacitors : de en
  • US2299806A - Production of acetone from ethyl alcohol : en
  • USD134215S - Design for a dress : en
  • US2299890A - Printed form : en
  • US2300092A - Weather compensating temperature control device : en
  • CH224006A - Clamping organ. : de en
  • CH224107A - Replacement tires for vehicle wheels. : de en
  • CA408247A - Cast iron treating composition : en fr
  • US2300042A - Calcining apparatus : en
  • CA408263A - Surface cutting tool : en fr
  • ES151295A1 - A FILTER FOR GASÓGENO : en es
  • US2300227A - Stabilizing means for relay type regulators : en
  • US2300259A - Sealed engine container : en
  • PL30983B1 - : en pl
  • US2300152A - Art of catalytic cracking : en
  • CH223913A - Gas firing system. : de en
  • SU61774A1 - Chain elevator : en ru
  • US2300316A - Private branch exchange system : en
  • US2299864A - Furnace wall construction : en
  • US2300190A - Atomizing oil burner : en
  • CH223938A - Tools for making starch. : de en
  • DE727210C - Holding and feeding device for band or circular saws : de en
  • DK60266C - Apparatus for grinding household waste and similar waste materials. : da en
  • DK60268C - Snow screen or snow fence. : da en
  • AU118426B2 - Improvements in gauges for checking distances and holes : en
  • CH223934A - Cyclone dust collector. : de en
  • CA408275A - Hydraulic disrupting apparatus for solids : en fr
  • DE727072C - DF system with electrical remote control : de en
  • GB548820A - Improvements in and relating to electric arc welding heads : en
  • GR9997B - ELECTRIC HOUSEHOLD LIGHTER. : el en
  • CH223958A - Product for the production of adhesives, sizing agents and finishing agents. : de en
  • CA408190A - Wheel hub cap : en fr
  • DE727153C - Process for bleaching animal fibers, such as hair or bristles, with hydrogen peroxide : de en
  • US2300128A - Chimney cap : en
  • CH223894A - Spinning spoon. : de en
  • CA408235A - Modulated carrier wave transmitter : en fr
  • US2299781A - Game apparatus : en
  • US2300233A - Propeller blade mounting : en
  • CH224029A - Pipe slide control on internal combustion engines, in particular on two-stroke internal combustion engines. : de en
  • ES151294A3 - A PROCEDURE FOR THE MANUFACTURE OF RUBBER BALLS, ESPECIALLY TENNIS BALLS : en es
  • US2299970A - Reflex type water gauge : en
  • US2300155A - Reinforced fabric article : en
  • US2300116A - Glider construction : en
  • US2300271A - Oscillator with stabilized feedback : en
  • USD134221S - Design fob a dress : en
  • GB548807A - Improvements in or relating to the treatment of cellulose derivatives and articles made thereof for modifying the properties thereof : en
  • AU116020B2 - Improvements relating tothe coupling of pipes, rods andthe like : en
  • US2299734A - Variable capacity pump : en
  • USD134210S - Design for a dress : en
  • USD134164S - Filter disk for drip coffee makers : en
  • DE727343C - Process for producing a vacuum-tight conductor leadthrough through quartz glass : de en
  • FR876170A - Manufacturing process of sulfonamide compounds : en fr
  • FR876171A - Aluminum and aluminum alloy coloring process : en fr
  • GB548960A - Improved method of degreasing or cleaning articles : en
  • GB548866A - Improvements in adjustable lamp brackets and the like : en
  • DE727255C - Roll film switching device : de en
  • CH223986A - Induction counter. : de en
  • US2299752A - Fastener : en
  • US2299805A - Packing : en
  • US2299888A - Concrete mixer : en
  • DE727192C - Procedure for operating dust firing systems : de en
  • FR876135A - Process for alkalizing and sulphurizing cellulose in a single operation : en fr
  • FR876243A - Generating device for the enrichment of gases supplied by a gasifier and improved installation for supplying engines : en fr
  • GB548812A - Improvements in jigs for facilitating drilling, punching and like operations : en
  • US2300019A - Pressure testing apparatus : en
  • USD134200S - Design for a wallet : en
  • DE727213C - Device for duengen and pest control : de en
  • US2299995A - Serving oven : en
  • US2300219A - Knockdown carpenter square : en
  • US2300107A - Apparatus and method of testing surfaces : en
  • DE727124C - Valve return spring designed as a torsion bar for internal combustion engines and. like : de en
  • GB548893A - Improvements relating to the process of ion exchange applicable more especially to water softening : en
  • CH223930A - Trousers. : de en
  • DE727135C - Locking device for the coupling rod of tiltable skylight wing of box windows : de en
  • SU61869A1 - Drum dryer : en ru
  • DE727101C - Drive of two opposing sieves : de en
  • DE727272C - Low smoke powder : de en
  • FR876122A - Mixture of artificial materials : en fr
  • FR876200A - Fuel for engines and manufacturing process : en fr
  • GB548904A - Improvements in or relating to the installation of electrical instruments on aircraft : en
  • FR876111A - New application of chromium-nickel steel for steel castings : en fr
  • US2299741A - Plasticized vinyl compound : en
  • GB548908A - Improvements in scrubbing gases and materials therefor : en
  • GB548838A - Telephone systems : en
  • GB548921A - Improvements in and relating to air or gas blast electric circuit breakers : en
  • DE727081C - Adjustable and foldable scythe : de en
  • US2299797A - Mechanism for and method of determining the plating relations of yarns in knitted fabrics : en
  • US2300330A - Lubricant measuring valve : en
  • PL30996B1 - : en pl
  • US2300157A - Feather-picking apparatus for fowls and the like : en
  • US2300327A - Pressure measuring instrument : en
  • US2300340A - Machine for producing gears : en
  • US2299757A - Folding mechanism : en
  • US2299972A - Master pusher : en
  • USD134180S - Design fob a hoist : en
  • DE727111C - Transmitter arrangement for generating a guideline established by the intersection of two radiation diagrams : de en
  • US2299825A - Tube mill : en
  • CH224102A - Device for power transmission, in particular for motor vehicles. : de en
  • US2300266A - Suction cleaner : en
  • US2300351A - Transmission tower structure : en
  • GB548875A - Improvements in or relating to the attachment of metal fittings to insulators : en
  • GB548961A - Improvements in automatic record changing mechanisms for gramophones : en
  • GB548839A - Improvements in and relating to automatic gas control valves : en
  • GB548955A - Improvements relating to safety guards of power presses and like machines : en
  • US2300382A - Method of making filters : en
  • ES151291A1 - EXPLOSIVE PROYECTILE : en es
  • FR876205A - Bogie with cross beam for rail vehicles : en fr
  • GB548881A - Improvements in or relating to plansifters : en
  • GB548897A - Improvements in frame members for vehicle structures : en
  • USD134195S - Design fob a badge ob the like : en
  • USRE22212E - Aerial mail exchange : en
  • DE727161C - Device for beam formation : de en
  • DE727268C - Height and side straightening machine, especially for armored car guns : de en
  • DE726187C - Arrangement for receiving television broadcasts in which the synchronizing pulses exceed the video content voltages in their amplitude : de en
  • US2299763A - Cabinet : en
  • FR876150A - Process for the preservation of agricultural products : en fr
  • FR876166A - Shell : en fr
  • FR876108A - Embossing process for beads or beads on pistons of internal combustion engines : en fr
  • FR876199A - Oil distillation process : en fr
  • SE105793C1 - : en
  • DE727155C - Arrangement for the production of emulsions : de en
  • FR876247A - automatic axial balancing for turbomachines : en fr
  • DE727175C - Process for the production of glass tubes with flange attachments : de en
  • PL30995B1 - Wotan- und Zimmermann-Werke Aktiengesellschaft, Glauchau Sanding disc for grinding the sides of the teeth using the envelope method : en pl
  • US2300180A - Stabilizing cellulose esters : en
  • US2299916A - Door machine : en
  • US2300317A - Drying tray : en
  • DE727274C - Infeed device with cellular wheel for compressed air conveyor systems : de en
  • DE726918C - Multiple changeover switch with contact bridges arranged on a traverse : de en
  • FR876137A - New quaternary ammonium compounds and their preparation process : en fr
  • GB548918A - Improvements in ultra high frequency electron discharge devices : en
  • US2300094A - Internal combustion rotary engine : en
  • GB548887A - Improvements in or relating to sieve-cleaning devices : en
  • GB548932A - Telephone systems : en
  • GB548957A - Improvements relating to backlash eliminators for machine tools : en
  • US2299854A - Telephone coin collector : en
  • US2300085A - Method and apparatus for defrosting and washing refrigerators : en
  • US2300203A - Welding torch : en
  • US2299850A - Edging machine : en
  • FR876144A - Guide pulley for vehicle tracks : en fr
  • FR876142A - Process for the production of synthetic threads, tapes, films, etc. from alkaline casein solution : en fr
  • CA408257A - Carton for capsules and pills : en fr
  • CH224090A - Pack for ripening products. : de en
  • DE727113C - Process for the production of durable ferrocarbonate preparations : de en
  • DE727198C - Tail lamp for license plate light and brake light on motor vehicles : de en
  • DE727321C - Television method with skip line scanning in several lines : de en
  • DE727063C - Knee pads : de en
  • USD134228S - Design fob a dress : en
  • DE727076C - Tunnel oven, especially for cooling glass objects : de en
  • FR876114A - Device for strapping, twisting and cutting wire, in particular for making packages : en fr
  • US2300381A - Filter : en
  • USD134227S - Design for a dress : en
  • SU61815A1 - Method of separating fluoride fluoride : en ru
  • USD134182S - Wagner airplane : en
  • US2299862A - Preparation of vinyl esters : en
  • US2300386A - Cigar lighter : en
  • US2300237A - Stabilizer rod : en
  • DK60281C - Procedure for the manufacture of feedingstuffs. : da en
  • GB548829A - Improvement in pantothenic acid : en
  • US2300026A - Ash receptacle : en
  • DE727262C - Device for measuring long bores : de en
  • DE727132C - Lock cylinder : de en
  • SU61759A1 - The method of obtaining asymmetric substituted urea : en ru
  • US2300246A - Inhibitor for gasoline : en
  • GB548891A - Improvements in and relating to drop hammers : en
  • US2299802A - Valve : en
  • DE727110C - Arrangement for the optional connection of broadband cables, especially for television switching : de en
  • US2299881A - Electric drill : en
  • US2300353A - Method of making seamless tubing : en
  • US2299766A - Knockdown closet : en
  • DE727096C - Liquid-cooled vacuum discharge apparatus, e.g. B. Mercury Vapor Rectifier : de en
  • DE727116C - Process for the preparation of resinous condensation products : de en
  • DE727232C - Device for separating oil from steam : de en
  • DE727158C - Steam locomotive with a feed water preheater heated by the flue gases and the exhaust steam : de en
  • FR876230A - Writing nibs : en fr
  • DE727182C - Fabric feed device for sewing machines : de en
  • US2299793A - Life saving system : en
  • US2299974A - Method of duplicating and mechanism therefor : en
  • US2300105A - Heating means : en
  • US2300216A - Bookmark : en
  • US2299724A - Molding machine for plastic material : en
  • US2300073A - Yarn winding : en
  • USD134184S - Pood service building or the like : en
  • US2300104A - Folding treadle for sewing machines : en
  • US2299901A - Hot air furnace : en
  • DE727201C - Conveyor device by means of pulley : de en
  • DE727128C - Fluorescent advertising facility : de en
  • US2299859A - Multiple unit power lawn mower : en
  • US2300187A - Friction clutch : en
  • US2300124A - Device for sorting rivets : en
  • GB548878A - Improvements in or relating to non-metallic sliding clasp fasteners : en
  • US2300125A - Detachable collar : en
  • US2300250A - Track circuit apparatus : en
  • DE727169C - Fuse element made of molded insulating material : de en
  • DE727216C - Paper holder for photographic enlarging devices : de en
  • CA408254A - Cellulosic filament, thread and sheet manufacture : en fr
  • CA408279A - Fermentation method : en fr
  • US2299725A - Method for drying leather : en
  • USD134229S - Design fob a textile fabric or the like : en
  • US2299866A - Ice comminuting machine : en
  • US2300268A - Airplane : en
  • USD134232S - Design for a dress : en
  • CA408240A - Fastener slider : en fr
  • CH224125A - Process for the preparation of a primary disazo dye. : de en
  • CH223945A - Process for the production of camphoric acid. : de en
  • DE727108C - Process for the preparation of salts of hydroxylamine : de en
  • DE727504C - Holder for sharpening razors : de en
  • CH224057A - High frequency iron core for bobbins. : de en
  • DE727092C - Coil heating systems for evaporators and cookers : de en
  • DK60287C - Method for making a coating, similar to terra sigillata, on ceramic objects. : da en
  • GB548917A - Improvements in means for planting seed potatoes during ploughing operations : en
  • BE447317A - : en fr
  • DE727331C - Electric follow-up control : de en
  • US2300010A - Combination hot water and steam heater : en
  • CA408192A - Aerial propeller : en fr
  • CH223944A - Method of making jasmone. : de en
  • CH224129A - Process for the preparation of a primary disazo dye. : de en
  • US2300318A - Ophthalmic mounting : en
  • USD134166S - Design for a cooking vessel : en
  • AU116012B2 - Piezoelectric crystal apparatus : en
  • PL30944B1 - Method for cleavage and cellulose friction iterial by treatment with hydrogen halide : en pl
  • DE727080C - Duebel : de en
  • AU253041A - Improvements relating to electrical connections or couplings for use inthe mounting of electric light reflectors andthe like : en
  • CH224113A - Detachable trainer device for climbing rope. : en fr
  • US2300304A - Colored globe support for electric lanterns : en
  • CA408198A - Wheel structure : en fr
  • FR876172A - Corrected teeth : en fr
  • PL30976B1 - : en pl
  • US2299961A - Supporting structure for feed screw nuts : en
  • CH224055A - Cathode ray tube with indirectly heated cathode. : de en
  • GB548850A - Improvements in the staples or receivers of night latches and other locks : en
  • US2299728A - Electric circuit breaker : en
  • US2300055A - Apparatus for washing clothes : en
  • CH223896A - Apparatus with electrical heating for softening old wallpaper so that it can be removed from the walls. : de en
  • CH223947A - Process for producing a benzenesulfonic acid amide compound. : de en
  • CA408300A - Condensation product : en fr
  • CH224013A - Method of making rubber bands. : de en
  • CH224008A - Boring or milling machine. : de en
  • DE727139C - Method and device for uniform moisture penetration, in particular of tobacco leaves and bundles of tobacco leaves : de en
  • DE727218C - Cinema equipment : de en
  • DE727156C - Process for the preparation of esters of non-coloring sulphurisation products of phenols : de en
  • GB548889A - Improvements in or relating to the manufacture of coffee essence and the like : en
  • US2299758A - Sapogenin derivative and preparation of the same : en
  • US2299803A - Game : en
  • US2299975A - Crankshaft chucking mechanism : en
  • US2300162A - Hydraulic press : en
  • US2300183A - Hot water heater : en
  • DE727294C - Arm sewing machine : de en
  • US2300345A - Refrigerating cabinet : en
  • GB548942A - An improved method of making baked goods : en
  • FR876181A - Appliance for freezing fish : en fr
  • GB548858A - Safety razor : en
  • GB548925A - Improvements in or relating to electric current collectors : en
  • CA408241A - Separable fastener : en fr
  • PL30949B1 - A method for producing patterned shapes from powdered materials, and an apparatus for carrying out the method : en pl
  • US2299744A - Direct reading computer : en
  • US2300321A - Adjustable fish holder : en
  • CH223968A - Block of detachable sheets. : en fr
  • CH224086A - Address board with interchangeable characters. : de en
  • FR876128A - Base plate for mortars : en fr
  • CA408210A - Thread guide : en fr
  • CH224068A - Process for the preparation of a serum dry powder which can be used as a blood substitute in aqueous solution. : de en
  • CA408218A - Railway car draft device : en fr
  • CA408267A - Journal box : en fr
  • US2300390A - Trollery switch and frog : en
  • CH224124A - Process for the preparation of a 1-arylamino-5-oxynaphthalene-7-sulfonic acid. : de en
  • CH223940A - Tools for making starch. : de en
  • US2300001A - Catamenial pad holding device : en
  • US2299813A - Gasketed joint : en
  • USD134186S - Design for a lapel button : en
  • US2299976A - Orbital lathe feed mechanism : en
  • CH223931A - Tie holder. : en it
  • CA408292A - Electron multiplier : en fr
  • US2300360A - Color selecting chart : en
  • CH224027A - Turbine for steam or gaseous propellants. : de en
  • CH224144A - Device on centrifugal fans for converting the speed of the conveying medium generated in the rotor into pressure, using diffusers and one or more spiral housings. : de en
  • GB548963A - Improvements in and relating to flash powders and method of preparing them : en
  • US2299957A - Vibratory electromagnetic motor : en
  • USD134168S - Design for a coffeepot or the like : en
  • USD134224S - Design for a dress : en
  • US2299931A - Pressure pump of the rotative type : en
  • US2300371A - Switching device : en
  • PL30989B1 - A method of duplicating audio tapes with mechanical notation using a tape trio : en pl
  • PL30988B1 - Askania-Werke Aktiengesellschaft, Berlin 42 k, 21/03, Instrument for producing the smallest changes in length for calibration measurement purposes : en pl
  • US2299809A - Coffee urn : en
  • US2299969A - Signaling arrangement for telegraph systems : en
  • FR876187A - Device for the manufacture of cast bodies by centrifugal casting : en fr
  • AU358341A - Improvements in wet battery cases : en
  • US2299822A - Signaling system : en
  • US2299940A - Paper blank and seat cover dispenser : en
  • US2299947A - Garment construction : en
  • US2299787A - Electrical connection means : en
  • US2299790A - Oxidation of hydrocarbons : en
  • US2299818A - Machine for cutting sheet material : en
  • US2299920A - Cooling tower : en
  • USD134230S - Textile fabric or similar article : en
  • PL30999B1 - Barmer Maschinenfabrik Aktiengesellschaft, Wuppertal-Oberbarmen Double thread spindle : en pl
  • US2300204A - Suction cleaner : en
  • US2300077A - Wiper strip : en
  • CA408294A - Brake control mechanism : en fr
  • US2299900A - Motor vehicle : en
  • US2299823A - Adjustable scaffolding : en
  • US2300176A - Rubber chloride precipitation : en
  • CH224036A - Coolers for internal combustion engines, in particular those for aircraft and motor vehicles, and processes for their production. : de en
  • PL30977B1 - A method of producing castings from aluminum-silicon alloys, especially in metal molds : en pl
  • CH223999A - Process for separating iron from iron-containing aluminum alloys. : de en
  • US2299842A - Powered mowing machine : en
  • US2299956A - Screw-driving or nut-tightening machine : en
  • US2300059A - Transportation of cylindrical objects : en
  • US2300088A - Chimney extension : en
  • US2299953A - Egg white treatment : en
  • US2299750A - Cast glass article : en
  • GB548834A - Improvements in curved surface light reflecting ornaments : en
  • US2300248A - Frame for blackboards : en
  • CA408200A - Harvester mechanism : en fr
  • US2300260A - Automobile signal : en
  • BE447106A - : en fr
  • US2299853A - Device for slicing semiplastic materials : en
  • US2300232A - Locomotive boiler firebox : en
  • CA408221A - Brake head and mounting : en fr
  • CH223924A - Loading device for drafting equipment. : de en
  • US2300310A - Tool : en
  • PL30990B1 - Robert Bosch G. m. B. H., Stuttgart jS 2frf / S / M. Spring-actuated hammer device : en pl
  • US2300075A - Piezoelectric crystal controlled oscillator : en
  • USD134208S - Design for a spool holder : en
  • DE727166C - Protective arrangement on high-voltage endangered, inductively unloaded concentric air cables : de en
  • USD134194S - Design fob a slipper : en
  • US2300132A - Torpedo shooting game apparatus : en
  • US2300177A - Apparatus for operating on web and sheet materials : en
  • US2300217A - Support for shifting shuttle boxes on weft replenishing looms : en
  • PL30967B1 - A process for producing a mixed gas, in particular water gas, with a circulating gas stream : en pl
  • USD134199S - Anderson combination bathroom unit : en
  • PL30946B1 - Ceramic stove : en pl
  • DE727184C - Overload protection for presses, shears, punching and similar machines : de en
  • DE727283C - Electrolytic capacitor with two or more capacities in a winding unit : de en
  • DE727209C - Container for the individual dispensing of pills, tablets or the like, which are disordered in several layers one on top of the other. : de en
  • PL30947B1 - A device on vehicles, especially aircraft, for indicating or measuring the distance from the ground or from obstacles in any direction : en pl
  • US2299885A - Adjustable shelf in combination with refrigerator compartment : en
  • CA408204A - Aircraft : en fr
  • US2299745A - Preservation of fodder : en
  • US2299756A - Quaternary ammonium derivative : en
  • DE727157C - A device arranged on a printing machine for the optional stepless switching of a stacking device, of inking rollers or the like. : de en
  • CA408237A - Modulator circuit arrangement : en fr
  • CA408194A - Garment strap reinforcement : en fr
  • US2300044A - Telephone subscriber's station : en
  • CA408251A - Fender shield and adapter : en fr
  • US2300352A - Flexible cement : en
  • US2299932A - Fluid operated brake system : en
  • DE727303C - Arrangement for televised transmission of objects hidden from view with the help of ultra-short electromagnetic waves or sound waves : de en
  • GB548804A - Combined water tube-flue type boiler for large central water or steam heating installations : en
  • GB548927A - Improvements in and relating to decorative ornaments : en
  • CA408274A - Hydraulic disrupting apparatus for solids : en fr
  • BE447067A - Luffing boom crane : en fr
  • US2299915A - Gear cutting apparatus : en
  • US2300030A - Valve : en
  • CH223890A - Tractor harrow. : de en
  • US2299980A - Scale : en
  • CA408191A - Starting mechanism for lapping machines : en fr
  • CH223954A - Nitrocellulose solution that can be used as a leather top coat and color. : de en
  • DE727121C - Flight timer based on the Le Boulenge system : de en
  • US2299836A - Combination cigarette container, lighter, and dispenser : en
  • US2299895A - Friction testing machine : en
  • AU116031B2 - Metering spout : en
  • AU116030B2 - Compositors makeup cabinet : en
  • PL30965B1 - Telefunken Gesellschaft fiir drahtlose Telegraphie m, b. H., Berlin Solder for managing tungsten wires in electric discharge lamps or light bulbs during operation : en pl
  • CH223988A - Sound device. : de en
  • CA408266A - Wrapping machine paper feed : en fr
  • CH224054A - Method and device for demagnetizing workpieces. : de en
  • CH224131A - Process for the production of a high polymer body containing a color-forming residue. : de en
  • PL30982B1 - The method of saccharifying starch in fluff and starch-containing substances : en pl
  • PL31005B1 - : en pl
  • US2299860A - Method and apparatus for centrifugally casting corrosion resistant alloys : en
  • AU326641A - Process for the preparation of heterocyclic compounds of the thiodiazole series : en
  • US2300313A - Fuel injection pump for internal combustion engines : en
  • CH223932A - Shoe with wooden sole. : en fr
  • BE447015A - : en fr
  • AU329541A - Metering spout : en
  • CH223900A - Flue gas incinerator. : de en
  • GB548870A - Improvements in grinding wheel mounting and control : en
  • GB548943A - Improvements in or relating to hydraulic shock absorbers : en
  • AU295341A - Compositors makeup cabinet : en
  • CA408226A - Television scanning method : en fr
  • US2299879A - Tire pump : en
  • CH224075A - Device for rectifying frequency-modulated oscillations. : de en
  • AU119162B2 - Improvements in or relating to fire-extinguishing apparatus : en
  • FR876248A - Device for controlling isolation valves and brake control valves in locomotives, railcars and other vehicles : en fr
  • FR876136A - Marine water tube boiler : en fr
  • DE727260C - Connection of fabrics with solid objects : de en
  • DE727323C - Bodies, wound from profile wire, mechanically and electrically highly resilient voice coil for electrodynamic speakers : de en
  • SU61928A1 - Mask for gas mask, etc. : en ru
  • CH223956A - Product for the production of adhesives, sizing agents and finishing agents. : de en
  • CA408215A - Road finishing machine heater : en fr
  • US2299872A - Carburetor pickup system : en
  • US2299764A - Opaquing agent for enamels and process for manufacturing same : en
  • US2300057A - Hose reinforcement means : en
  • FR876210A - Purification and reconcentration of spent sulfuric acid : en fr
  • CH223946A - Process for the production of aliphatic acids. : en fr
  • US2300169A - Running gear for trailers or the like : en
  • DE727212C - Transmission gear for the calibration of tachometers : de en
  • USD134209S - Design for a dres : en
  • FR876227A - Process for drying peat and other colloidal gels : en fr
  • CH224112A - Sprocket change transmissions for bicycles. : de en
  • GB548800A - Production of anhydrous magnesium chloride : en
  • SE105794C1 - : en
  • US2299841A - Power mowing machine : en
  • US2299824A - Governor : en
  • US2300015A - Method for treating electrotype matrices : en
  • US2300383A - Calk for antiskid tire chains : en
  • ES151293A3 - AN IMPROVEMENT IN THE MANUFACTURE OF UMBRELLA : en es
  • USD134171S - Design for a gas detector : en
  • GB548871A - Improvements in electrical circuit arrangements incorporating grid-controlled gas-filled discharge tubes : en
  • CH224122A - Process for the preparation of a 1-arylamino-5-oxynaphthalene-7-sulfonic acid. : de en
  • FR876173A - Method and apparatus for directly determining the gradation of photosensitive layers : en fr
  • CH223899A - Process for the production of heat or cold by means of a piston heat pump and heat pump for the implementation of this process. : en fr
  • CA408305A - Textile apparatus : en fr
  • CH223939A - Product for the manufacture of dextrin. : de en
  • CH224000A - Process for the manufacture of glucinium alloys. : en fr
  • US2299868A - Razor : en
  • GB548931A - Improvements in and relating to protective apparatus for electric circuits : en
  • GB548873A - Improvements in or relating to tubulous boiler plant : en
  • GB548937A - Improvements in or relating to fruit feeding mechanism : en
  • CH223978A - Device for controlling the firing of handguns. : de en
  • CH224081A - Receiver with spread spectrum in the shortwave range. : de en
  • US2300267A - Suction cleaner brush : en
  • FR876208A - Improvements in planographic printing : en fr
  • DE726973C - Method for the transmission of messages with the help of a narrow frequency band : de en
  • GB548818A - Improvements in and relating to luminescent materials : en
  • US2299749A - Separable valve : en
  • FR876141A - Screw-operated shutter device for pressurized pipelines : en fr
  • USD134207S - Design fojg a dress : en
  • PL30950B1 - Vereinigte Eisenbahn-Signalwerke Gesellschaft mit beschrankter Haftung, Rerlki-Siemensstadt Electric actuator with automatic turnout timing, recreated on the guide track table : en pl
  • CH223923A - Loading device for drafting equipment. : de en
  • GB548905A - A process for the fractionation of hydrocarbon mixtures : en
  • FR876174A - Device producing decimetre waves : en fr
  • SU61853A1 - The method of producing alkyd resins : en ru
  • SE105759C1 - : sv
  • USD134192S - Design for a shoe : en
  • GB548895A - Improvements in electric control systems for electric drives for winding material from one reel to another : en
  • US2299924A - Spark plug : en
  • DE727297C - Hollaender for paper pulp u. like : de en
  • ES151297A3 - IMPROVEMENTS IN THE CONSTRUCTION OF AUTOMATIC THREADING SHUTTLES : en es
  • US2300041A - Method of making moisture supplying shipping pads and the products thereof : en
  • US2300323A - Latching mechanism : en
  • DK60290C - Chain thread guard for looms. : da en
  • US2300341A - Spring suspension for car trucks : en
  • CH223955A - Glue extender. : de en
  • DE727290C - Machine for the production of artificial threads : de en
  • US2300016A - Directional drilling apparatus : en
  • US2300262A - Preservation of latex : en
  • GB548833A - Improvements in or relating to variable-pitch airscrews : en
  • US2300167A - Drilling apparatus : en
  • US2299819A - Manicuring device : en
  • US2300012A - Musical instrument : en
  • CH224004A - Device intended for pressing thin-walled hollow bodies, in particular internal combustion engine pistons. : de en
  • US2300048A - Method of making porous material : en
  • US2299732A - Steam generator : en
  • CH224127A - Process for the preparation of a primary disazo dye. : de en
  • US2299968A - Railway car threshold plate : en
  • DE727021C - Mechanical loading device : de en
  • GB548857A - A rotary pump or motor with controllable output : en
  • US2299861A - Partitioning element for packages : en
  • US2300005A - Refrigerating apparatus : en
  • US2299852A - Lubricator mechanism : en
  • FR876177A - Indirect X-ray machine : en fr
  • US2300358A - Cooling device for motor vehicles : en
  • FR876109A - Tipping and emptying device for trailers : en fr
  • DE727206C - Lighting device with a high-voltage fluorescent tube suspended from a movable pendulum, in particular for advertising purposes : de en
  • USD134235S - Design fob a lace tablecloth : en
  • DE727053C - Arrangement for regulating the gain in low-frequency transmission systems : de en
  • DE727084C - Process for the production of additive color films : de en
  • FR876163A - New driving device particularly applicable to air conditioning distribution : en fr
  • DK60283C - Detachable Breadboard for Footwear. : da en
  • FR876110A - Axle suspension from the chassis, particularly applicable to transport cars : en fr
  • US2299807A - Treatment of cellulosic textile materials : en
  • FR876134A - Manufacturing process of mixed synthetic yarns from albuminoid products and regenerated cellulose : en fr
  • DE727185C - Switching device for gear change transmissions, especially of motor vehicles : de en
  • US2300230A - Thermometer unit for electric irons : en
  • FR876132A - Device for using the reaction, extinguishing flames and heating on board aircraft : en fr
  • BE447388A - : en fr
  • US2299937A - Wave signaling system : en
  • FR876193A - Process for converting normal paraffins into isoparaffins : en fr
  • DE727147C - Electric arc furnace system fed with alternating current : de en
  • USD134205S - Design for a mechanical pencil tip : en
  • SU61825A1 - Gas generator for continuous production of water or double water gas from fine-grained fuel in suspension : en ru
  • CH224108A - Safety device arranged on a vehicle, such as a motorbike or motorcycle. : de en
  • FR876198A - Damper winding for synchronous machines : en fr
  • FR876102A - Non-metallic tools : en fr
  • DE727310C - Cocking slide for locking firearms : de en
  • US2299845A - Combined toggle and hydraulic press : en
  • US2300024A - Replacement shade structure : en
  • DE727282C - Rectangular bobbin : de en
  • GB548837A - Improvements in recovery of tin from tin-bearing materials : en
  • FR876133A - Exhaust manifold for internal combustion engines : en fr
  • FR876126A - Improvements to high power anodes, particularly intended for electric discharge tubes without artificial cooling : en fr
  • GB548797A - Improvements in or relating to articles produced with the aid of artificial resins : en
  • FR876196A - Manufacturing process for 5-sulfo- (and hydroxy) -1: 2: 4-trimel-litic acids : en fr
  • CH224002A - Melting furnace for press casting machines. : de en
  • US2299935A - Control arm : en
  • GB548935A - Improvements in or relating to portable writing appliances and such like appliances : en
  • DK60269C - Electric Light Buoy. : da en
  • DE727202C - Block with invisible stapling : de en
  • GB548817A - An uncoupling device for use on standard electricity meters : en
  • DK60278C - Holster for Matchboxes. : da en
  • US2300253A - Drilling and countersinking machine : en
  • USD134181S - Design for a bottle or similar article : en
  • FR876149A - Telescopic iron pole for mines : en fr
  • GB548920A - Improvements in and relating to couplings for high pressure flexible tubing : en
  • DE727014C - Process for the production of dry plate rectifiers with a light metal as the base electrode material : de en
  • PL31007B1 - : en pl
  • CA408193A - Mechanical toy : en fr
  • CH224038A - Device for the coarse step change of the excitation of DC machines working in Leonard circuit. : de en
  • US2300090A - Modifying fatty oils : en
  • US2300258A - Veneer slab spacing and gripping element : en
  • DE727265C - Twist tester for rifled gun barrels : de en
  • SU61771A1 - Adjustable flow glass furnace to connect the working furnace with the cooking chamber : en ru
  • US2300147A - Vending machine : en
  • US2300054A - Rail fastening : en
  • DE727313C - Slide guide for engraving or copying machines : de en
  • USD134219S - Design for a textile fabric : en
  • CH224140A - Waterproof watch box. : en fr
  • DE727287C - Process for the preparation of water-insoluble monoazo dyes : de en
  • US2299874A - Furnace wall construction : en
  • US2299927A - Calk device : en
  • DE726363C - Single-stroke rotary piston internal combustion engine : de en
  • DE727305C - Potato harvester with a horizontal and a vertical tine wheel : de en
  • FR876223A - Improvements to devices comprising an electronic multiplier associated with an oscillating circuit : en fr
  • US2299779A - Film holder : en
  • DE727333C - Device for monitoring fuses : de en
  • DE727231C - Drying device for sized warps : de en
  • CA408223A - Synthetic rubber-like resinous composition : en fr
  • DE727249C - Seal for cylindrical rotary valve of internal combustion engines : de en
  • FR876165A - Method and device for bending tubes or the like along a helical curve : en fr
  • CH223964A - Process for creating deep black protective layers on aluminum and aluminum alloys. : de en
  • CH224141A - Check valve, especially for the suction line of a pump. : de en
  • US2300231A - Washer : en
  • USD134202S - Design fob a dress : en
  • CH224070A - Process for the preparation of a condensation product. : de en
  • CH224088A - Method and machine for packaging prismatic objects and packaging manufactured according to the method. : de en
  • US2300192A - Hydraulic controlled drag broom : en
  • US2299788A - Lip turning machine : en
  • DE727178C - Process for the production of identification mark carriers, in particular number rollers for registration and calculating units : de en
  • US2300213A - Boron fluoride complex as catalyst for the esterification of cellulose : en
  • US2299892A - Method of and apparatus for removing the molten metal of salamanders : en
  • CA408195A - Wheel member : en fr
  • CH223935A - Meat grinder knife with double-edged blades. : de en
  • CA408242A - Metal degreasing process : en fr
  • US2300276A - Strip feed for typewriting machines : en
  • US2300308A - Screw driver : en
  • CA408245A - Television system : en fr
  • CH224014A - Dry shaver. : de en
  • US2299796A - Brake cooling device : en
  • USRE22211E - Brake mechanism : en
  • FR876237A - Mixer for lean gas carburization : en fr
  • CH223919A - Drafting system. : de en
  • US2300096A - Ball-covering machine : en
  • CA408268A - Illuminating device : en fr
  • CH223952A - Process for the preparation of an azo dye. : de en
  • US2300189A - Cathode ray deflection apparatus : en
  • US2300196A - Manufacture of selenium red pigments : en
  • US2299905A - Internal combustion engine : en
  • DE727104C - Process for the production of earthenware with a velvet-like sheen with the appearance of terra sigillata : de en
  • DE727097C - Device for ongoing measurement of the difference in stroke between two movable organs, especially for fire control devices : de en
  • CH223891A - Vessel for growing plants. : de en
  • AU332141A - Improved mattress : en
  • DE727123C - Guide roller for cloth conveyor : de en
  • US2299896A - Mail chute : en
  • US2300118A - Lapping carrier : en
  • CA408202A - Egg carton : en fr
  • CH224147A - n-fold parallel winding (n = whole number> 1) for single and multi-phase AC commutator machines. : de en
  • US2299959A - Control system : en
  • US2300081A - Method and apparatus for radio receiving : en
  • PL31001B1 - A method of producing refined forged objects from high-percentage magnesium alloys : en pl
  • US2300127A - Protective device : en
  • CA408291A - Universal joint : en fr
  • AU111741A - Improved process forthe treatment of water by suppressing the ions of alkaline earth metals : en
  • US2299918A - Dirt tamper : en
  • AU723142A - Improvements in or relating to apparatus for measuring cr indicating the shape ofa surface orthe degree of roughness thereof : en
  • CH223966A - Manufacturing process for waterproof packaging. : en fr
  • DE726790C - Fastening device for very thin filamentary or foil-shaped semiconductor resistors : de en
  • PL30984B1 - : en pl
  • US2300100A - Orthopedic shoe : en
  • US2299921A - Variable ratio transmission mechanism : en
  • AU323041A - Improvements in or relating to methods of isomerizing polyunsaturated fatty acids and to drying oils prepared therefrom : en
  • US2300143A - Cutter head for shaving devices : en
  • PL30971B1 - : en pl
  • US2299733A - Electrical connector : en
  • US2300240A - Conversion of hydrocarbons : en
  • CA408205A - Aircraft : en fr
  • CH224073A - Negative feedback amplifier. : en fr
  • DE726792C - Device for regulating an electrical network size : de en
  • CA408308A - Pyrimidine derivative : en fr
  • CH224025A - Piston pump. : de en
  • DE727314C - Effect twisting machine with effect thread guides that can be moved up and down : de en
  • GB548844A - Improvements in hinge means for window sashes which are pivoted about a horizontal axis at the middle of the stiles : en
  • CA408283A - Yeast processing : en fr
  • CH223994A - Watch with mixed winding, by hand and automatic by oscillating weight. : en fr
  • US2299898A - Telephone system : en
  • US2300117A - Magneto : en
  • US2300306A - Man's vest : en
  • US2299939A - Space cooler : en
  • US2300133A - Broad band amplifier : en
  • DE727143C - Circuit arrangement for generating saw-tooth-like voltage curves : de en
  • CH223929A - Product for the production of thickeners. : de en
  • US2300243A - Hose housing : en
  • DE727288C - Process for the preparation of o-oxyazo dyes : de en
  • US2299760A - Amusement apparatus : en
  • US2300031A - Catalytic cracking of hydrocarbons : en
  • US2300137A - Fire resistant wallboard : en
  • US2300195A - Electrical apparatus : en
  • US2300212A - Peach stoner : en
  • DE727203C - Process for the production of condensation products from acid amides, formaldehyde and amino compounds : de en
  • CH223948A - Melamine manufacturing process. : en fr
  • AU116018B2 - Improvements relating to compression-ignition fuel-injection engines : en
  • DE727054C - Adjustable carbon resistance : de en
  • PL30975B1 - : en pl
  • US2299985A - Hair wave pad : en
  • USD134220S - Design for a textile fabric : en
  • US2299894A - Control mechanism for liquid dispensing apparatus : en
  • US2300254A - Yarn production : en
  • CH224137A - Method for determining mechanical stress values on materials. : de en
  • GB548954A - Improvements in or relating to containers for coiled films : en
  • US2300139A - Pipe cutter : en
  • US2300004A - Aircraft pilott training device : en
  • CA408281A - Comestible : en fr
  • US2300178A - Net drag and spreader : en
  • FR876228A - Reservoir line puller : en fr
  • GB548913A - Improvements in and relating to garment and like presses : en
  • US2299912A - Compound master cylinder : en
  • US2300078A - Controlling means for adhesive : en
  • US2300277A - Pin driving machine : en
  • US2300335A - Pitman : en
  • USD134233S - Design for a narrow woven fabric : en
  • AU119161B2 - Improvements in or relating to apparatus for measuring cr indicating the shape ofa surface orthe degree of roughness thereof : en
  • CH224046A - Voltage dependent resistance. : de en
  • DE727074C - Electron beam oscilloscope for optional use as a polar coordinate oscilloscope and as a normal oscilloscope : de en
  • FR876105A - Sheet-printing machine with several printing devices placed one behind the other : en fr
  • GB548926A - Improvements in electrical acceleration and/or deceleration governing means : en
  • DE727266C - Soul measuring device for rifled gun barrels : de en
  • DE726789C - Double-acting compressed air drive for operating electrical switches : de en
  • DE727281C - Pull magnet coil, especially for voltage regulators for operation with large temperature differences : de en
  • US2300153A - Girdle or like garment : en
  • DK60284C - Perforating machine. : da en
  • CH224094A - Cross-shaped tilting frame. : de en
  • GB548808A - Improvements in and connected with wedge plate fastenings : en
  • PL30955B1 - : en pl
  • DE714729C - Method and device for the production of matured alkali cellulose : de en
  • US2300046A - Apparatus for cleaning potatoes : en
  • PL30941B1 - : en pl
  • US2300032A - Process for catalytic conversion of hydrocarbons : en
  • US2300288A - Torque measuring machine : en
  • US2299751A - Combined record form and window envelope : en
  • DE727320C - Light control screen for cathode ray tubes : de en
  • FR876164A - Device for the directed reception and transmission of wave energy, in particular sound waves : en fr
  • GB548821A - Improvements in the manufacture of scraper piston rings : en
  • US2299919A - Auxiliary throttle valve : en
  • US2300294A - Spark plug drier : en
  • GB548853A - Improvements in the manufacture of aluminium hydroxide : en
  • GB548890A - Improvements in or relating to carburettors for internal combustion engines : en
  • US2299821A - Signaling system : en
  • CA408269A - Battery charging rack : en fr
  • DE727284C - End closure for radiators, the heating element of which is made of high-melting metal and is surrounded by a gas-tight ceramic protective jacket : de en
  • DE727141C - Superheater for steam generator : de en
  • FR876191A - Cracking of hydrocarbon oils : en fr
  • GB548809A - Improvements in flexible cable-like formation of knitted metallic fabric : en
  • GB548796A - An improvements in or relating to safety valves : en
  • US2300199A - Support for shifting shuttle box mechanisms : en
  • FR876162A - Magneto ignition : en fr
  • DE727171C - Device for catching and cutting knots in running artificial threads : de en
  • USRE22210E - Polymerization of olefines : en
  • CH224041A - Process for the production of insulation sheets for electrical machine parts. : de en
  • DK60271C - Electric Water Heater. : da en
  • GB548879A - Improvements in or relating to non-metallic sliding clasp fasteners : en
  • USD134203S - Design for a hat : en
  • CA13361S - Template : en
  • CH224039A - Process for the production of armatures, in particular for small magneto-electric machines. : de en
  • GB548911A - Improvements relating to the preparation of methyl aryl silicones : en
  • US2300305A - Artificial tooth : en
  • DE726989C - Process for the production of bactericidal injection solutions : de en
  • FR876152A - Machine for the projection of material to be prepared, in particular molding sand : en fr
  • US2299933A - Method of preparing mineral filler : en
  • US2300359A - Guiding and transfer device : en
  • FR876156A - Chest table for filing, provided with oblique partitions : en fr
  • GB548795A - Improvements in or relating to accurate photographic reproduction of drawings : en
  • GB548928A - Improvements in or relating to the construction of arched roofs : en
  • DE727271C - Igniter with decomposing effect : de en
  • DE727312C - Arrangement for the monitoring of the synchronous operation of permanently synchronous and in phase rotating distribution switches : de en
  • US2299906A - Light-polarizing material coated with a photosensitive layer : en
  • USD134223S - Design for a dress : en
  • US2300022A - Shaft operating and locking device : en
  • US2300126A - Condensation product of naphthenic acid halide and process of making it : en
  • US2300003A - Selective signaling system : en
  • US2299851A - Hydraulic control apparatus for machine tools : en
  • US2300299A - Thermostat controlled valve : en
  • FR876106A - DC motor-regulator : en fr
  • DE726850C - Dressing device for grinding wheels, especially of camshaft grinding machines : de en
  • GB548882A - Improvements in or relating to plansifters : en
  • GB548924A - Improvements relating to automatic weighing and like machines : en
  • US2300210A - Apparatus for making contact lenses : en
  • SE105792C1 - : en
  • DE727221C - Helical spring as braking and retraction means for firearms : de en
  • GB548832A - Improvements in protected metal article and method of making the same : en
  • DE727250C - Exhaust gas turbine operated by an internal combustion engine for aircraft propulsion with power control by switching the propellant nozzles on and off : de en
  • DE727055C - Planing machine control with Leonard drive : de en
  • GB548888A - Improvements in and relating to fastening devices for wearing apparel : en
  • DE726622C - Arrangement of engine and gas cooler on a tractor : de en
  • DE727058C - Device and method for measuring changes in the horizontal gravity components for determining ore, mineral and other underground deposits : de en
  • DE727115C - Air or cushioned cushion that serves as a headrest : de en
  • DE717435C - Track extension frame made of profile iron : de en
  • AU116023B2 - Improved closure for jars and like containers : en
  • AU116026B2 - Improvements in or relating to devices for lifting bags andother articles : en
  • CH224010A - Device for the automatic tooth-by-tooth hardening of gears by means of high frequency. : de en
  • US2300070A - Ampoule construction : en
  • CA408295A - Regenerative impulse repeater : en fr
  • CH223925A - Arrangement of rewinding machines with automatically working winding units. : de en
  • CH224018A - Apparatus for the study of vibrations. : en fr
  • CH223911A - Process for the production of a solid fuel. : de en
  • CH224084A - Setting scale for high-frequency transmitters or receivers. : de en
  • CA408197A - Wheel structure : en fr
  • CA408178A - Reciprocating ram pump : en fr
  • CH223996A - Waterproof watch box. : en fr
  • US2299808A - Prewelt shoe and method of manufacturing the same : en
  • USD134189S - Design for an engine starting unit : en
  • CH223993A - Prism binoculars. : de en
  • US2299991A - Chart paper : en
  • AU116029B2 - Improvements relating to electrical connections or couplings for use inthe mounting of electric light reflectors andthe like : en
  • CH224048A - Metal rectifier. : en fr
  • CA408244A - Television transmitting system : en fr
  • CA408258A - Bottle holder for mixing machines : en fr
  • CH223905A - Fireplace hat. : de en
  • CH224078A - Device for modulating a high frequency carrier wave. : de en
  • DE727160C - Arrangement for reducing the horizontal component in the radiation field of a beacon beacon : de en
  • US2300300A - Carbonating device : en
  • US2300384A - Method of locating stuck pipe in wells : en
  • DE727275C - Process for the production of plates or sheets : de en
  • CH224024A - Speed variator with clutch. : en it
  • US2300188A - Pressure applying means for spinning frames : en
  • DE727061C - Method and device for the production of panels, in particular from wood wool and cement : de en
  • DE727136C - Mimic diagram for the simulation and control of a distribution system for material goods : de en
  • CH223963A - Process for phosphating zinc and its alloys. : de en
  • CH224077A - Device for generating a high-frequency alternating voltage for measuring purposes. : de en
  • GB548814A - Improvements in and relating to electric toasters : en
  • US2300309A - Contact member : en
  • US2300269A - System for electric valve translating apparatus : en
  • US2300385A - Rotary shaft seal : en
  • US2300301A - Button making machine : en
  • US2300223A - Transmission mechanism : en
  • DE726738C - Protective layers on metal pipes : de en
  • PL30948B1 - Method of controlling the specific gravity of a heavy liquid used to separate granular materials with different specific gravities, e.g. coal, from the accompanying yield scale : en pl
  • USD134162S - Cuspidor or similar article : en
  • CH224011A - Handsaw. : de en
  • US2300009A - Power transmission : en
  • US2300037A - Alarm system : en
  • US2300375A - Fence post anchor : en
  • USD134185S - Design for a bottle carrier : en
  • CH224093A - Device for arranging the drawbar on bridge wagons, in particular designed as handcarts, with swivel axle steering. : de en
  • FR876245A - Loose-leaf cover : en fr
  • US2299801A - Motor fuel : en
  • FR876212A - Rotary vacuum pump with two or more stages : en fr
  • CH224072A - Telephone receiver. : en fr
  • CH224109A - Rack for bicycles. : en fr
  • FR876238A - Advanced chain for bulk material conveyors : en fr
  • US2299880A - Trolley switch and frog : en
  • US2300350A - Socket and socket installation : en
  • US2300145A - Liquid dispensing apparatus : en
  • AU116028B2 - Improved process forthe treatment of water by suppressing the ions of alkaline earth metals : en
  • ES151289A1 - A NEW PROCEDURE FOR THE CONSTRUCTION OF HEAT GENERATING ELEMENTS BY ELECTRICAL CURRENT IN HEATING RADIATORS : en es
  • GB548953A - Improvements in or relating to the production of photographic light-sensitive layers or sheets : en
  • GB548896A - Improvements in or relating to glass compositions : en
  • DE726831C - Heat time switch with a bimetallic strip that triggers the switch for the utility and heating circuit, which is put into the locked position by hand when it is switched on, by heating up after a certain time : de en
  • US2300068A - Necktie holder : en
  • DE727215C - Regulation of the mixing ratio of two flow media : de en
  • DE727327C - Increased performance of galvanic dry elements with surface depolarization : de en
  • US2300060A - Protector device : en
  • US2300101A - Spark gap and circuit therefor : en
  • US2299820A - Coin operated switch : en
  • US2299848A - Expansible cop holder : en
  • US2299857A - Electric motor : en
  • GB548899A - Improvements in or relating to apparatus for measuring dimensions : en
  • DE727049C - Hydraulic control device for normal and steering braking of vehicle wheels : de en
  • PL30981B1 - A method of producing metal layers on an insulating material, in particular glass or similar ceramic material : en pl
  • US2299973A - Projector attachments : en
  • USD134175S - emblem or : en
  • CA408255A - Fluid compressor regulator : en fr
  • US2300142A - Fusible electric protective device : en
  • CA408231A - Camera focusing lens mount : en fr
  • CH224031A - Installation for the addition of an additional gas to the feed mixture of an internal combustion engine. : en fr
  • CH224136A - Darkening device for glass roofs. : de en
  • DE727117C - Method and device for measuring the working speed and length of tape-shaped goods wound on rolls during winding and unwinding : de en
  • BE447339A - : en
  • PL30945B1 - : en pl
  • US2299746A - Fourdrinier machine : en
  • US2300056A - Emulsion polymerization of butadienes : en
  • DE727245C - Watertight and gastight masonry : de en
  • DE727253C - Device for drilling holes in spherical caps : de en
  • CH224052A - Device with a discharge tube in which an electron beam is generated that is density-modulated by a control oscillation. : de en
  • US2299835A - Combination cigarette container, lighter, and dispenser : en
  • US2299922A - Endgate control for truck bodies : en
  • CH223904A - Method for the automatic ventilation of rooms, in particular of underground storage rooms. : de en
  • CH224111A - Hand brake lever with device for operating the Bowden cable. : de en
  • US2300200A - Shuttle box support for weft replenishing looms : en
  • US2299998A - Manufacture of disks : en
  • US2300247A - Adjustable coupling : en
  • CH224026A - Circulation pump for pumping liquids. : de en
  • CH224104A - Switching device in systems with a driving motor shaft and a shaft driven by the same via a magnetic clutch transmission for fully automatic switching of the magnetic clutch transmission, in particular for motor vehicles. : de en
  • US2299981A - Paper-holding attachment for typewriters : en
  • US2300160A - Isomerization of normal paraffins : en
  • USD134212S - Electrical draftsman s symbol template : en
  • US2300043A - Golf club : en
  • DE727273C - Dismantling device : de en
  • CH224138A - Arrangement for temperature compensation on electrical quotient meters, especially cross-wound devices. : de en
  • DE727067C - Circuit arrangement for self-connection telex switching systems : de en
  • DE727246C - Corner connection for frames made of wood, metal or other materials : de en
  • GB548863A - Machine for and method of grinding gears, splines and similar forms : en
  • US2299910A - Folding table : en
  • US2299999A - Salt curing composition : en
  • US2300013A - Torsion joint : en
  • USD134213S - Renz boiler : en
  • CH224064A - Drive device for manually operated, magneto-electric alternators. : de en
  • CA408285A - Locomotive stoker : en fr
  • DE727090C - Well filters and pipes made of wood or similar materials : de en
  • CH224032A - Exhaust silencer on an internal combustion engine. : de en
  • US2300007A - Telegraph system : en
  • CH223984A - Psychrometer. : de en
  • US2300302A - Apparatus for forming castings from powdered metals : en
  • US2300296A - Power plant : en
  • USD134167S - Design for a double boiler or the like : en
  • US2299761A - Device for peeling potatoes and the like : en
  • US2299770A - Hairpin comb : en
  • CA408201A - Thermostatic interrupter : en fr
  • CH223985A - Cathode ray tube for measuring purposes. : de en
  • CH224101A - Crawler chassis. : de en
  • DE727077C - Beam for block walls : de en
  • DE727220C - Clamping device for crankshaft grinding machines : de en
  • GB548861A - Improvements in or relating to extrusion apparatus : en
  • CH223920A - Combing machine, the combing roller of which is driven at a periodically changing speed. : de en
  • CH224047A - Electric circuit breaker. : de en
  • AU324941A - Improvements in and relating to means for displaying goods : en
  • BE447016A - : en fr
  • US2300053A - Bottle stopper : en
  • US2299945A - Direct current reinserting circuit : en
  • US2300071A - Mailing folder : en
  • US2300062A - Ball : en
  • US2300184A - Method and apparatus for producing pulp : en
  • US2300209A - Record reproducing device : en
  • US2300214A - Washing machine : en
  • FR876151A - Process for extracting alkaline salts of vanillin from liquids containing these salts : en fr
  • CA408227A - Audio frequency amplifier : en fr
  • CA408211A - 1-naphthaleneacetic acid : en fr
  • US2299886A - Belt wringer : en
  • CH224012A - Process for the production of pipes, pipe produced by the process and device for carrying out the process. : de en
  • DE727318C - Liquid pump arranged at the bottom of vats for wet treatment of textiles : de en
  • PL30973B1 - Accumulation device for unfolding with a beam of rays : en pl
  • CH223949A - Process for the preparation of 2-amino-thiazole. : de en
  • CH224096A - Roller conveyor chain with spring-loaded chain feet. : de en
  • PL30961B1 - : en pl
  • US2300275A - Method of producing colloidal lead iodide : en
  • CA408206A - Internal combustion engine : en fr
  • CH224098A - Lubricating device on running chains in lateral roller tracks. : de en
  • DE727191C - Device for eliminating the glare effect of headlights, in particular in motor vehicles : de en
  • GB548948A - Improvements relating to electronic reactance devices : en
  • US2300261A - Purified rubber latex and process of preparing same : en
  • CA408183A - Decorticating machine : en fr
  • PL30979B1 - : en pl
  • US2299773A - Seat holding means : en
  • US2300138A - Floor machine : en
  • US2300328A - Game : en
  • USD134172S - Design fou a flag ok the like : en
  • DE727225C - Arrangement for the selective calling of branch points of a company line by means of Morse code generated by a crank inductor : de en
  • DE727257C - Windows for gas masks : de en
  • FR876169A - Advanced gasifier hearth : en fr
  • US2300131A - Lubricant : en
  • DE727302C - Discharge device for drum pulp presses : de en
  • FR876220A - Improvements in rubber processing : en fr
  • US2299925A - Tractor mounted picker-sheller : en
  • US2299964A - Electrical treatment of water to reduce effects of hardness thereof : en
  • FR876233A - Spout or torch head : en fr
  • US2299903A - Corset : en
  • DE727226C - Electric arc lamp with a device for supplying a stream of gas, as well as with an overpressure chamber which envelops the arc and is enclosed by a glass or similar bell, in which there is a static pressure which considerably exceeds the atmospheric pressure : de en
  • DE727342C - Electrode steam heating element : de en
  • US2299817A - Machine tool : en
  • DE727197C - Nose wheel landing gear for airplanes : de en
  • DE727214C - Switching mechanism for electrically controlled, automatic feed discharge devices : de en
  • FR876158A - Presser foot for sewing machines for engraved soles : en fr
  • FR876178A - Receiver or amplifier of t. s. f. capable of being supplied from a direct current network : en fr
  • AU323241A - Piezoelectric crystal apparatus : en
  • DE727105C - Process and washing trough for separating the finest good parts from fine-grained processing material : de en
  • USD134165S - Design for a cooking vessel : en
  • US2300148A - Mold and core blowing machine : en
  • DE727022C - Process for carrying out exothermic catalytic reactions, the temperature of which must be kept between very narrow limits : de en
  • DE727062C - Process for the vacuum-tight connection of metal objects with ceramic bodies : de en
  • FR876206A - Engine suspension for motor vehicles : en fr
  • US2299743A - Composition of matter : en
  • DE727103C - Hydraulic binder made from lignite fly ash containing gypsum : de en
  • US2300173A - Apparatus for dressing welder electrodes : en
  • CH223981A - Device for testing the surface quality of machined workpieces. : de en
  • CH224148A - Arrangement for converting devices working as rectifiers or inverters. : de en
  • DE726670C - Process for the production of salt-like condensation products : de en
  • US2300194A - Apparatus for sampling liquids : en
  • US2299747A - Method of forming structures wholly of fusion deposited weld metal : en
  • USD134222S - Design for a dress : en
  • DE727244C - Water heating system with heating of the water by adding steam : de en
  • DE727325C - High-frequency coil with completely or almost temperature-independent inductivity : de en
  • US2299847A - Cutoff valve : en
  • US2299858A - Staple bending die for staple applying instruments : en
  • FR876107A - Control for moving belts or aprons : en fr
  • CA408260A - Flux for light metals : en fr
  • US2299978A - Casing protector : en
  • US2300040A - Surgical speculum : en
  • USD134225S - Design for a dress : en
  • CH223957A - Glue extender. : de en
  • CH224116A - High speed locomotion machine. : en fr
  • CA408252A - Fender shield and assembly : en fr
  • DE727208C - Swiveling handle : de en
  • GB548830A - Products for the production of chromium-iron alloy : en
  • US2300295A - Electrode holder : en
  • PL30969B1 - Telefunken Gesellschaft fiir drahtlosc Telegraphie m, b. H., Berlin Receive bandwidth regulator in a superheterodyne receiver with sdmodal tuning correction : en pl
  • SU61852A1 - Test method for cast alloys : en ru
  • FR876118A - Process for the manufacture of tools for drawing or stamping wires, tubes and bars : en fr
  • GB548916A - Improvements in and relating to mechanism for releasably locking a pivoted member in one or more positions, particularly applicable to retractable undercarriages for aircraft : en
  • US2300286A - Electrical contact : en
  • CA408253A - Fender and shield : en fr
  • CH224139A - Procedure for the determination of reflection points in lines. : de en
  • DE727336C - Electric cathode glow lamp or tube : de en
  • US2299863A - Carburetor accelerating pump : en
  • US2300222A - Switch : en
  • PL30959B1 - : en pl
  • US2300170A - Manicure accessory : en
  • US2300093A - Record playing automotive horn : en
  • US2300206A - Testing well : en
  • US2300315A - Oscillation generator circuit : en
  • DE727152C - Process for producing a digestible feed : de en
  • DE727073C - Method for applying winding cores to coils or windings of transformers, chokes, converters o. : de en
  • US2300201A - Bottle carrier : en
  • CH223918A - Device for the production of cellulose xanthate solutions. : de en
  • CH224069A - Process for the preparation of vitamin B6. : de en
  • AU327941A - Improved apparatus for de-twisting metal sections : en
  • FR876194A - Welded rotor for steam or gas turbines : en fr
  • US2299965A - Apparatus for handling articles in bulk : en
  • US2300337A - Engine starter gearing : en
  • DE726846C - Device for clamping workpieces using compressed air or pressure fluid : de en
  • DE727150C - Device for starting internal combustion engines : de en
  • US2299958A - Soap apparatus : en
  • US2300298A - Article handling mechanism : en
  • PL30980B1 - : en pl
  • US2300175A - Washboard clamp : en
  • CA408307A - Drill centering sleeve : en fr
  • CH224015A - Carrying containers, in particular for tools. : de en
  • US2300331A - Sealing of shafts : en
  • DE727179C - Control device for propane-butane pressure reducer : de en
  • SU61949A1 - Fuel pump for internal combustion engines : en ru
  • US2300220A - Telemetering system : en
  • GB548840A - Improvements in or relating to dynamo electric machines : en
  • GB548947A - Improvements in or relating to shoe upper conforming machines : en
  • PL30958B1 - Raboma Maschincnfabrik Hermann Schoening, Berlin-Borsigwalde Gearbox with hydraulically displaced wheels, e.g. for drilling machines : en pl
  • DE727292C - Molding box centering lock : de en
  • US2299944A - Direct current reinserting circuit : en
  • CH224042A - Cable carrier. : de en
  • BE447124A - Stopper for firearms : en fr
  • CH223977A - Missile bullet. : de en
  • CA408288A - Vibratory conveyer or motor : en fr
  • US2300273A - Respirator : en
  • US2300366A - Signal transmission system : en
  • DE727227C - Process for the production of mortar-free masonry : de en
  • FR876117A - Process for advancing, with the aid of compressed air, a mass of a pulverulent body : en fr
  • US2299729A - Dispensing cabinet and stop mechanism therefor : en
  • US2300158A - Refining mineral oil : en
  • DE727229C - Beer bottle : de en
  • CA408303A - Dual purpose aeroplanes : en fr
  • DE727195C - Flame cutting machine : de en
  • DE727066C - Steel for hardened and tempered tools produced by hot forming that are subject to heavy wear and tear due to grinding and rubbing effects : de en
  • US2299938A - Preparation of 2-mercaptothiazolines : en
  • CH223969A - Filing filing system. : de en
  • US2299942A - Power converter and regulator : en
  • US2299946A - Treatment of ham : en
  • US2299987A - Portable apparatus for cleaning electrical equipment : en
  • CH224120A - Process for the preparation of a 1-arylamino-5-oxynaphthalene-7-sulfonic acid. : de en
  • US2300344A - Wrench : en
  • US2300045A - Teletypewriter system : en
  • US2300251A - Variable focus lens : en
  • USD134170S - Design for a flag : en
  • DE727339C - Tuning indicator tubes, especially for radio receivers : de en
  • CH224117A - Process for the production of pentachlorobutadiene. : de en
  • CA408214A - Shoe insole : en fr
  • DE727102C - Process for the production of a demonstrable positive optical tone recording on a screen-free film : de en
  • CH224065A - Spirometer. : de en
  • CH223897A - Working device with rotating tools, in particular for use in excavating, drilling and concreting. : de en
  • CH223902A - Method to prevent central heating elements from freezing in unheated rooms. : de en
  • GB548854A - Chain-stitch sewing machine : en
  • CA408265A - Variable ratio transmission mechanism : en fr
  • CH223941A - Process for utilizing the waste heat from stills from fermented sulphite waste liquors. : de en
  • CH224053A - Contact device with short contact times for high currents. : de en
  • CA408184A - Candy forming machine : en fr
  • CH223915A - Process for the production of a pack from paper intended for personal hygiene and paper packs produced by this process. : de en
  • CH224007A - Jig. : de en
  • CA408264A - Variable ratio transmission mechanism : en fr
  • CH224037A - DC generator with device for regulating the voltage. : de en
  • DK60289C - Cup lift. : da en
  • CH223980A - Measuring device. : de en
  • AU116013B2 - Improvements in wet battery cases : en
  • CH224095A - Roller conveyor chain. : de en
  • DE727189C - Synchronization arrangement for tilting vibration generator with inductive feedback : de en
  • DE727293C - Device for measuring a torque : de en
  • FR876203A - Internal combustion machine with exhaust gas turbine : en fr
  • DE727177C - Binocular handheld binoculars with lens protection : de en
  • DE727222C - Automatic firearm, especially gas-operated guns : de en
  • GB548802A - Improvements in and relating to gas meters : en
  • DE726981C - Process for enriching the sodium content in cryolites : de en
  • US2300098A - Electric strop motion device for looms : en
  • US2300282A - Scale : en
  • DE727196C - Metal aircraft fuselage : de en
  • FR876130A - Method for manufacturing oxide film cathodes : en fr
  • FR876175A - New identity plate with tamper-evident closure : en fr
  • FR876183A - Electrical signaling installation for the transmission of orders to train cars, more specifically for electric trams : en fr
  • SE105760C1 - : en
  • DE727173C - Device for treating human skin by pulsating liquid supply by means of a rotating sponge : de en
  • FR876123A - Process for polymerizing 2-methyl-allyl chloride : en fr
  • US2300320A - Device for reproducing tone frequencies : en
  • DE727033C - Device for regulating the circuits of stage lighting and similar systems : de en
  • GB548811A - Safety and remote control devices for controlling the flow of liquids and gases : en
  • DE727256C - Valve piston for pumps with high piston frequency : de en
  • DE727172C - Spinning pump with swiveling spinning material discharge pipe for machines for the production of artificial threads : de en
  • DE727200C - Process for the manufacture of socket pipes from fiber materials and hydraulic binders : de en
  • US2299986A - Door opener : en
  • GB548815A - Improvements in protective helmets : en
  • US2300226A - Candle holder : en
  • GB548794A - Process for improving the tensile strength of yarns, threads, cords and the like : en
  • GB548956A - Improvements in or relating to moulding machines : en
  • US2299830A - Method of recovering hydrocarbons : en
  • US2300011A - Heater : en
  • US2300265A - Hinge for door construction : en
  • USD134160S - Design for a refrigerator : en
  • FR876244A - Transportable washhouse : en fr
  • FR876188A - Manufacture of dyes of the phthalocyanine series : en fr
  • FR876236A - Process and products for reducing the viscosity of fats in order to facilitate their penetration into animal or plant fibers and tissues : en fr
  • DE727241C - Combined electrical heating, cooking and irradiation device : de en
  • GB548849A - Improvements in or relating to fastenings, particularly for cowlings, panels, cover-plates and the like : en
  • GB548965A - Improved remote control arrangements applicable to adjustable antennae : en
  • DE727127C - Letter clip and staple made from a three-lobed strip of paper : de en
  • FR876226A - Reinforced cement panel and assembly method : en fr
  • DK60276C - Work table with two table tops that can be brought into use position alternately. : da en
  • US2300063A - Machine for digging, topping, and rooting beets and other vegetables : en
  • US2299909A - Foldable table : en
  • US2299799A - Device for pointing lead pencils : en
  • US2300149A - Phonograph : en
  • US2300373A - Coated paper : en
  • US2300099A - Machine for forming and conveying pouring spouts for containers : en
  • GB548805A - Improvements in or relating to magneto ignition apparatus : en
  • DE727337C - Outer electrode for electrical discharge vessels, which forms part of the wall of the discharge vessel : de en
  • GB548842A - Improvements in and relating to methods of supplying power to thermionic amplifiers : en
  • PL31003B1 - G, m, b. H., Karlsruhe, Baden Castle brick wall with a trapezoidal horizontal cross-section : en pl
  • GB548902A - Manufacture of arylazo dye compounds and material coloured therewith : en
  • US2299963A - Piston ring : en
  • US2299907A - Explosive charge for oil wells : en
  • DE727107C - Process for the simultaneous extraction of krypton and nitrogen from air : de en
  • US2299949A - Monolithic foundation : en
  • US2300380A - Process and apparatus for making cycle saddles : en
  • US2300186A - Telephone system : en
  • US2300325A - Process of impermeabilizing, tightening, or consolidating grounds and other earthy and stony masses and structures : en
  • US2299722A - Method and apparatus for straining, bending, and vibration-detecting tests : en
  • CA408299A - Electron discharge device : en fr
  • DE727199C - Method and device for determining the direction and / or the distance of objects according to the echo method using underwater sound devices : de en
  • FR876214A - Manufacture of carbonyl compounds or their enolic ethersalt having a multi-ring skeleton : en fr
  • US2299867A - Calibrating apparatus for temperature reporating devices : en
  • US2300029A - Sorting device for duplicating machines : en
  • US2299738A - Method of making and re-creating records : en
  • US2299786A - Process of treating textile materials : en
  • US2300058A - Apparatus for exchanging heat : en
  • US2300083A - Method and apparatus for the production of structures : en
  • CH223933A - Exchangeable fitting on sports shoes. : de en
  • CH223971A - Motion picture projector, especially for cine films. : de en
  • CA408230A - Plastic product manufacture : en fr
  • US2300215A - Folding case : en
  • USD134231S - Design for a crochet hook : en
  • BE447195A - : en
  • CH224020A - Ball bearings for the seat of swivel chairs. : de en
  • US2299984A - Controlling device for web feeding and cutting machines : en
  • CH224009A - Reamer with radially adjustable blades. : de en
  • US2300014A - Liquid filter : en
  • CA408233A - Modulated carrier wave television transmitter : en fr
  • CH223972A - Process for the production of photographic material, in particular for colored images, and photographic material produced by this process. : de en
  • US2300332A - Fuel feed device for aircraft : en
  • CH224034A - Heat exchangers on steam boilers. : de en
  • US2300091A - Shoe pad : en
  • DE727095C - Braun tubes for projection purposes : de en
  • CH224074A - Carrier frequency modulator. : de en
  • US2300000A - Instrument for indicating atmos : en
  • DE727285C - Device for bringing in and out the heating elements of electrically heated roasting and baking ovens : de en
  • DE727315C - Device for dividing gases into liquids : de en
  • DE727118C - Equipment for the production of projection screens : de en
  • US2300159A - Manufacture of 1, 2, 3-trichloropropane : en
  • US2300236A - System and correlated appliances for producing illuminated moving words : en
  • AU116014B2 - Improvements in and relating to rotary pumps or air exhausters : en
  • DE727050C - Process for the affination of raw sugar : de en
  • CH224099A - Chain with removable foot plates and grippers. : de en
  • US2300135A - Flexible joint for flour sifters : en
  • DE727154C - Guide map for steep indexes : de en
  • FR876182A - Contact acetylene generator : en fr
  • GB548880A - Improvements in or relating to the purification of magnesium and magnesium alloys : en
  • US2299875A - Television transmitter : en
  • CA408270A - Television synchronization method and apparatus : en fr
  • DE727239C - Metal vessel with cooling ribs and artificial air cooling, especially for mercury vapor rectifiers : de en
  • CH223979A - Device for target practice on a firearm used to combat moving enemy objects. : de en
  • US2299794A - Clothesline fastener : en
  • US2300079A - Eye closing devices for dolls : en
  • USD134173S - Design foe a cigarette pack holder : en
  • US2299780A - Display rack for men's shirts : en
  • US2300050A - Teletypewriter control system : en
  • US2300355A - Process for the production of carbides and ferro-alloys : en
  • US2300377A - Electric valve converting system : en
  • DE727183C - Process for the production of reagent papers : de en
  • DE727194C - Manufacture of phosphate coatings, especially on iron and steel : de en
  • PL30954B1 - : en pl
  • US2299865A - Shutoff valve : en
  • US2300086A - Refrigeration apparatus : en
  • USD134177S - Design fob a ring or the like : en
  • USD134226S - Design for a dress : en
  • PL30963B1 - Ringhoffer-Tatra-Werke A. G ,, Prague Car body of double-decker buses and similar : en pl
  • PL30991B3 - : en pl
  • CH223916A - Containers for detergents and toilet items. : de en
  • FR876231A - Crown cork unblocker : en fr
  • ES6538U - Soap tray for bathrooms. (Machine-translation by Google Translate, not legally binding) : en es
  • GB548907A - Improvements in scrubbing gases and materials therefor : en
  • CH223974A - Method and device for sticking stamps, in particular rationing stamps, on a base. : de en
  • CH223992A - Process for producing an optical element and optical element produced by this process. : de en
  • US2300146A - Gas burner control : en
  • CA408276A - Oil well treating fluid : en fr
  • CH224118A - Process for the preparation of a new pyrazolone derivative. : de en
  • CH224126A - Process for the preparation of a primary disazo dye. : de en
  • GB548801A - An improvement in or relating to safety valves : en
  • US2299775A - Slidable visor : en
  • US2300165A - Hand truck : en
  • CH224143A - Device on centrifugal fans for converting the speed of the conveying medium generated in the rotor into pressure, using diffusers and one or more spiral housings. : de en
  • DE727340C - Process for the production of metallic band-shaped heating resistors for heating electric ovens with an oven atmosphere containing oxidizing gases : de en
  • GB548816A - Improvements in or relating to the automatic control of electrically driven grinding, mixing and other machines : en
  • CH224082A - Control procedures for two-way communication, in particular in the air traffic control service and the appendix for its exercise. : de en
  • PL30964B1 - : en pl
  • US2299737A - Foot-propelled boat : en
  • US2300064A - Mixtures of resinous materials : en
  • CA408296A - Purified rubber and rubber-like material : en fr
  • CH223950A - Process for the preparation of carboxylic acids of the N-heterocyclic series. : de en
  • CH224005A - Machine for the production of external threads. : de en
  • CH224115A - Suspension and damping means. : de en
  • US2300008A - Radiation device : en
  • US2300249A - Catalytic conversion process : en
  • US2299726A - Brake arrangement : en
  • US2300198A - Peak velocity indicator : en
  • US2299941A - Controller for electric circuits : en
  • BE447396A - Process for manufacturing a cocoa substitute. : en fr
  • US2299826A - Vat dyestuffs of the fluoranthene series and process of preparing same : en
  • AU326241A - Improvements relating tothe coupling of pipes, rods andthe like : en
  • CH223942A - Process for making caffeinated grain coffee. : de en
  • AU116019B2 - Improvements in and relating to means for displaying goods : en
  • GB548962A - Improvements relating to dash pots : en
  • DE727344C - construction manager : de en
  • DE726739C - Process for the production of clumps of 4-aminobenzenesulfonamides : de en
  • DE727289C - Columns of mineral oil emulsions : de en
  • US2299887A - Controlling system : en
  • CA408187A - Ball bearing : en fr
  • CH224071A - Arrhythmic teleprinter machine. : en it
  • CH224043A - Isolator on electrical dust extractors. : de en
  • US2299844A - Process for manufacture of branched chain aliphatic compounds : en
  • CH223922A - Fleece and winding web guide. : de en
  • US2300307A - Phenolated gum accroides and methods of making same : en
  • US2299769A - Pump, syringe, and like appliances for surgical and medical and other purposes : en
  • US2299810A - Brush and mop holder : en
  • US2299951A - Cheese package : en
  • PL30940B1 - : en pl
  • CA408246A - Television transmitting and receiving system : en fr
  • US2300255A - Stress absorbing record assembly : en
  • CH224059A - Electron multiplier. : de en
  • CA408196A - Wheel structure : en fr
  • CA408180A - Aviation garment : en fr
  • US2300274A - Process for annealing austenitic steels : en
  • CH224050A - Contact device for current conversion. : de en
  • CH224083A - Magnetic field generator for generating very short electromagnetic waves. : de en
  • SU61904A1 - Method of making polymethylmecacrylate solutions for varnish coatings : en ru
  • CH223998A - Object hardened on its surface by nitriding. : de en
  • GB548946A - Improvements relating to electrical control systems involving mercury arc discharge devices for use more especially in connection with the absorption of regenerated power : en
  • CA408262A - Magnesium and alloy rolling method : en fr
  • CH223893A - Methods of combating animal pests. : de en
  • BE447298A - Process for separating milk into whey and casein : en fr
  • CA408304A - Sulphur dioxide recovery : en fr
  • DK60274C - Deckchair with Suspended Strings Suspended Strange Track. : da en
  • US2300110A - Liquid meter : en
  • AU116008B2 - Improvements in modulation systems for radio and like transmitters : en
  • US2299748A - Control of calcium carbonate deposition for corrosion inhibition : en
  • US2300171A - Apparatus for churning under vacuum : en
  • PL30942B1 - Connector for wires feeding electricity to the igniter : en pl
  • US2299782A - Surface active materials : en
  • US2300097A - Headlight : en
  • CH223975A - Removable ski. : en fr
  • US2300140A - Shaving device and cutter head therefor : en
  • DE727085C - Gear housing surrounded by a coolant, especially for caterpillar vehicles : de en
  • GB548836A - Edible milk-like product and process of preparing same : en
  • CA408189A - Set-off skid for railway vehicles : en fr
  • DE727207C - Operating table : de en
  • DE726832C - Spark extinguishing device for automatic installation switch : de en
  • US2299989A - Connector for temporary lamp circuits : en
  • PL30972B1 - : en pl
  • DE727125C - Zither with double soundboard : de en
  • US2300264A - Paper holder for projection printing : en
  • USD134198S - Design for a spoon ob similar article : en
  • CH223921A - Device for setting the pre-cutting comb on combing machines. : de en
  • FR876138A - Glaze for ceramic objects : en fr
  • FR876168A - Low frequency induction furnace : en fr
  • AU327041A - Improved closure for jars and like containers : en
  • GB548846A - Improvements in hose clips : en
  • GB548864A - Improvements in and relating to spinners for airscrews : en
  • GB548885A - Improvements in or relating to sieves for granular materials : en
  • CH224067A - Depilatory for the human body. : en fr
  • US2299876A - Direction signal switch : en
  • US2300087A - Electric marine cable stripper : en
  • US2300144A - Flexible pocket receptacle : en
  • GB548843A - Apparatus for preventing the accumulation of ice : en
  • CH224035A - Electrode support device for electric boiler. : en fr
  • FR876190A - Monitoring relays for automatic controls of electric motor vehicles : en fr
  • USD134234S - Wackerman narrow woven fabric : en
  • US2300179A - Packaged article : en
  • US2300221A - Extrusion of metal articles : en
  • DE724127C - Ski boots : de en
  • DE727163C - Antenna arrangement for generating radiation for the implementation of aircraft blind landings : de en
  • US2299834A - Halogen containing acylaminosulphonic acids and their manufacture : en
  • US2300076A - Combination swing hinge and joint : en
  • US2300339A - Press : en
  • CH223961A - Process for the production of molding compounds. : de en
  • DE727307C - Heating device for aircraft torpedoes : de en
  • US2299993A - Ski stretcher : en
  • DE727079C - Process for the production of reinforced concrete hollow poles : de en
  • US2300326A - Method and apparatus for making maps from photographs : en
  • DE727341C - Electrically heated liquid heater by means of a glow discharge : de en
  • FR876113A - Insulating liquid : en fr
  • FR876217A - Door opening mechanism : en fr
  • GB548883A - Improvements in or relating to plansifters : en
  • GB548894A - Improvements in wagon tipplers : en
  • GB548914A - Improvements in or relating to tires : en
  • CA408203A - Rotary snow plough : en fr
  • CH224089A - Double straw wrap for bottle packaging. : en it
  • DE727059C - Propulsion system for ships with paddle propellers revolving around vertical drive shafts : de en
  • US2299977A - Garment hanger : en
  • US2300290A - Molding machine : en
  • US2299739A - Clutch : en
  • PL30943B1 - "Elin" Aktiengcsellschaft fiir elektrische Industrie, Wieden 'Electromagnetic relay for the protection of alternating current electric circuits, especially for the supervision of currents and voltages of a three-phase system : en pl
  • US2299785A - Radio antenna : en
  • CH223895A - Roof construction. : de en
  • US2300120A - Electrically controlled starting box : en
  • US2300289A - Heat regenerator : en
  • USD134178S - Design fob a badge : en
  • CH224040A - Device for distributing loads between various electrical generating units. : en fr
  • CA408272A - Oil well cementing process : en fr
  • FR876224A - Process for the transformation of vegetable fibers into vegetable wool : en fr
  • GB548803A - Combined water tube-flue type boiler for small central water heating installations and general domestic uses : en
  • US2300134A - Process for the separation of transoestradiol and product obtained thereby : en
  • PL30997B1 - : en pl
  • SU61955A1 - Method for producing tungsten carbide : en ru
  • CH224135A - Process for the production of metal coatings. : de en
  • PL30986B1 - : en pl
  • USD134193S - Design for a combined sole and heel : en
  • US2300065A - Method of purification of polymerized rosins and rosin esters : en
  • GB548798A - Improvements in the manufacture of hollow insulating bodies : en
  • ES151300A1 - A NEW SPEED MECHANIC : en es
  • GB548813A - Improved spring nut and tool for use therewith : en
  • DE727236C - Bearing device for metallic enclosed spaces, especially for vehicles and aircraft : de en
  • SU61773A1 - World, designed to determine the angle of deflection of light rays with a transparent wedge : en ru
  • US2300322A - Protective head covering for use in air raids and the like : en
  • DE727242C - Recovery of ammonia and heat from used copper rayon fall water : de en
  • FR876180A - Fuel from raffe flour and other by-products of wine making : en fr
  • GB548919A - Apparatus for clearing snow and the like from roads and similar places : en
  • CA408278A - Proteolytic activity controlling method : en fr
  • US2300168A - Moistureproof material : en
  • US2299812A - Complete stickless, stapleless chick box : en
  • US2300364A - Safety glasses : en
  • FR876207A - Anti-shrink treatment for fabrics : en fr
  • PL30993B1 - : en pl
  • US2300242A - Buffing machine : en
  • US2300287A - Radio phonograph carriage and cabinet : en
  • US2300372A - Grasping hook or device for cranes and the like : en
  • FR876241A - Laminating process, more particularly, applicable to gravure printing : en fr
  • FR876186A - Control of pump groups determining the circulation of lubricant, particularly for aircraft engines : en fr
  • DE727270C - Method and device to take into account a turning flight of the target for the determination of the point of impact during anti-aircraft shooting : de en
  • DE727316C - Traction engines : de en
  • SU61777A1 - Trolley for opening lampposts of buildings : en ru
  • CH223962A - Polyvinyl plastic. : de en
  • SU61898A1 - Burner device for burning fuel in pulverulent state : en ru
  • GB548930A - Method of processing dolomite : en
  • DE727243C - Wedge pillows for beds made of individual, superimposed, individually inflatable air cushions : de en
  • US2300376A - Cuffed glove : en
  • CA408250A - Ceramic body : en fr
  • GB548938A - Appliance for relieving ropes, cables and cords from the effects of sudden changes in tensile loading : en
  • US2299952A - Vibratory motor for dry shavers and the like : en
  • USD134163S - Design fob a cuspidor ob similar article : en
  • US2300278A - Multiple band blade slicing machine : en
  • DE726920C - Piston magnet : de en
  • DE726979C - Laundry stiffeners : de en
  • DE727168C - Device for amplitude stabilization of an alternating voltage : de en
  • DE727174C - Electric glass melting furnace : de en
  • US2300006A - Di-aryl : en
  • CH224003A - Process for pressing engine pistons. : de en
  • DE727047C - Device for free-hand bending of round and profile bars and ropes : de en
  • US2299759A - Sapogenin reduction product and preparation of same : en
  • US2300244A - Combined gas generator and heater : en
  • DE727099C - Beat mills for mill firing : de en
  • DE727279C - Multiple reception system : de en
  • US2300281A - Selvage-forming device : en
  • US2299783A - Treatment of sugar solutions : en
  • US2299800A - Lasting machine : en
  • US2300151A - Art of treating hydrocarbons : en
  • DE727277C - Feedback tube generator for the simultaneous generation of a basic frequency and amplification of an even harmonic : de en
  • FR876121A - Device for generating only one of the periodic elements of a relaxation curve or the like : en fr
  • CA408249A - Ceramic article : en fr
  • PL31009B1 - : en pl
  • US2300150A - Phonograph : en
  • CH223943A - Method of filling chambers used for cracking ammonia using catalysts. : de en
  • DK60275C - Sofa bed, by which the bedclothes form the upholstery of the back. : da en
  • DE727181C - Flow transmission : de en
  • US2299882A - Trolley switch : en
  • US2300002A - Engine starting mechanism : en
  • BE447376A - : en fr
  • USD134197S - Design for a spoon or similar article : en
  • CA408236A - Modulated carrier wave circuit arrangement : en fr
  • CH224056A - Electric discharge tube with an oscillating circuit. : de en
  • DE727300C - Thread guide drum for winding machines : de en
  • DE727335C - Arrangement for braking and speed control of asynchronous motors by means of direct current excitation : de en
  • PL31002B1 - : en pl