• PL29331B3 - Method for the preparation of condensation products from aminopyrimidines and aliphatic aldehydes. : en pl
  • SU58184A1 - The method of obtaining nitrosodimethylaniline : en ru
  • US2219985A - Gyroscope : en
  • BE439346A - : en fr
  • US2219619A - Apparatus for making blueprints : en
  • US2219723A - Building corner : en
  • CH212063A - Process for the preparation of tropic acid dimethylamide. : de en
  • US2219665A - Rolling mechanism : en
  • CA392157A - Aircraft course guiding system : en fr
  • CA392196A - Insulation value determining apparatus : en fr
  • CH212087A - Chassis with central tubular support and non-driven front steering axle for vehicles with a rear engine. : de en
  • CH211887A - Object diffusing light and its manufacturing process. : en fr
  • US2219896A - Power transmission : en
  • USD123306S - Design fob a doll : en
  • GB528365A - Improvements relating to wire spoked wheels : en
  • GB528482A - Improvements in and relating to the production of loop-plush fabric : en
  • AU134940A - Method of and apparatus for shrinking textile fabric or yarn : en
  • USD123376S - Design for a dress : en
  • US2219753A - Toothbrush : en
  • US2219440A - Sound absorbing construction : en
  • US2219849A - Hole spotter : en
  • US2219464A - Shoe construction : en
  • SU58118A1 - Protective spark gap : en ru
  • US2219666A - Sliver drawing mechanism : en
  • US2219874A - Gutter support and method of making same : en
  • US2219796A - Esters of amino alcohols and process for producting them : en
  • US2219776A - Crystallization process : en
  • PL29298B1 - Panstwowe Zaklady Tele- i Radjotechniczne in Warsaw *), Warsaw. Radio transmitter with push-pull modulator. : en pl
  • US2219324A - Valve : en
  • US2219927A - Embalming fluid : en
  • AU111760B2 - Improvements in and relating to overhead doors for garages andthe like : en
  • CA392144A - Building heating and cooling system : en fr
  • US2220040A - Wear measuring device : en
  • BE439335A - : en fr
  • US2219465A - Last : en
  • AU1367644A - Improvements in and relating to hydraulic reducing valves : en
  • DE698041C - Rotary piston machine : de en
  • CH211912A - Process for preparing canned food and installation for carrying out this process. : en fr
  • AU122504B2 - Appliance for inserting sealing pins into tubular rivets, driving tacks or nails and like purposes : en
  • US2219542A - Thermostatic device : en
  • US2219836A - Core for yarn packages : en
  • CA392230A - Thin metal container : en fr
  • CH211920A - Process for the production of benzanthrone. : de en
  • CH211922A - Process for the preparation of butene-2-diol-1,4. : de en
  • PL29304B1 - Device for supplying cooling air to airline vehicles with rear engine. : en pl
  • US2219473A - Fuel feed control : en
  • US2219515A - Shaker conveyer : en
  • USD123272S - Design for a pin clip : en
  • US2219576A - Method of molding hollow shapes : en
  • US2219287A - Insecticide and process of making the same : en
  • USD123293S - Design fob a fountain pen and pencil clip : en
  • US2219488A - Liquid pressure remote control system : en
  • DE697951C - Use of an alloyed cast iron for those castings that are to be enamelled : de en
  • DE698127C - Clamping device for the power supply cable of mobile work equipment, especially for mobile edge devices of rolling mills : de en
  • CH211876A - Double window. : de en
  • CH211953A - Semi-automatic firearm. : de en
  • CH211957A - Impact detonators, in particular for aerial bombs, projectiles for mine throwers and hand grenades. : de en
  • US2219584A - Apparatus for the development of light-sensitive material : en
  • CH211929A - Process for plasticizing polymerized styrene. : de en
  • DE698079C - Ignition and operating device for discharge lamps : de en
  • GB528315A - Improvements in or relating to shoe upper conforming machines : en
  • GB528488A - Improvements in and relating to gear grinding machines : en
  • GB528523A - Improvements in or relating to telephone transmitters : en
  • GB528588A - Apparatus for colour photography : en
  • BE439347A - : en fr
  • SU58190A1 - Lathe for machining multifaceted shafts : en ru
  • SU58200A1 - Cutting machine for weft threads and edge loops : en ru
  • SU58279A1 - Notebook Rotary Machine : en ru
  • US2219609A - Miscellaneous load handling carriage : en
  • AU1603044A - Means for the draft and drive coupling of agricultural implement, or machines to a tractor : en
  • AU520939A - Improvements in mortise and rim locks for doors or the like : en
  • DE698115C - heavy trucks : de en
  • US2219925A - Vacuum tube device : en
  • GB528440A - Improvements in and relating to the sealing of collapsible tubes : en
  • CA392154A - Electric discharge device : en fr
  • CH212043A - Ignition device for discharge apparatus with liquid cathode. : de en
  • US2219519A - Rubber bearing : en
  • CH211932A - Transfer sheet. : en fr
  • DE697994C - Process for removing or binding nitrogen in the manufacture of steel by the duplex process : de en
  • DE698064C - ken : de en
  • US2219960A - Tie holder construction : en
  • DE697983C - Removable rudder for aircraft : de en
  • DE698162C - ase with two valve cones : de en
  • GB528513A - Improvements in or relating to amplifying systems : en
  • US2219295A - Pneumatic erection device for gyroscopes : en
  • US2219902A - Cathode ray tube oscillograph apparatus : en
  • GB528338A - Improvements in the gasification of carbonaceous materials : en
  • GB528343A - Improvements in means for safeguarding operators on power presses : en
  • DE698049C - Retractable landing gear for aircraft : de en
  • US2219532A - Burner : en
  • DE1492876U - : de en
  • US2219385A - Press with floating connection between auxiliary rams and press platen : en
  • US2220028A - Apparatus for controlling temperature of furnaces : en
  • GB528310A - Improvements in or relating to thermionic valve circuits : en
  • US2219359A - Control system : en
  • US2219641A - Machine for polishing or grinding lenses and other objects : en
  • US2220027A - Annular thrust bearing : en
  • US2220026A - Fiber cleaning : en
  • US2219697A - Article of manufacture : en
  • GB528536A - Improvements in or relating to lubricating apparatus : en
  • DE698084C - Electric hot water heater, consisting of a water storage tank and a tube with electrode heating immersed in it : de en
  • BE438749A - : en
  • GB528332A - Improvements in or relating to lightning arresters : en
  • US2219449A - Modulation : en
  • US2220036A - Double lift drop hammer : en
  • US2219353A - Washing machine : en
  • US2219283A - Apparatus for conveying powdered material : en
  • US2219603A - Printing machine for printing variable areas simultaneously : en
  • DE698151C - en or the like : de en
  • US2219707A - Nitrogenous condensation product of fluoranthene and process of making same : en
  • US2219823A - Door opening means : en
  • US2220035A - Trap door and step arrangement : en
  • DE698149C - Process for grinding conical wheels with straight teeth that are convex in their longitudinal direction : de en
  • CH212074A - Radio reception circuit with pre-regulated voting elements. : de en
  • PL29307B1 - Grinding device with pre-drying of moist bulk material. : en pl
  • US2219781A - Process for demkmg imprinted : en
  • US2219742A - Pipe-forming machine : en
  • US2219828A - Motor vehicle : en
  • USD123307S - Fontaine airplane : en
  • US2219904A - Telegraph transmitter : en
  • GB528573A - Improvements in or relating to die apparatus and members therefor, for example for making flanged metal panels : en
  • US2219314A - View finder system : en
  • DE697954C - Multi-link choke chain for filtering out ripple voltages from rectified alternating current keys while preserving the shape of the keys : de en
  • US2219447A - Process for making composite materials : en
  • GB528483A - Improvements in and relating to pumps, compressors or hydraulic motors : en
  • GB528593A - Improvements in or relating to rotary bits for rock and like drilling : en
  • DE697978C - Clamping device to prevent the thread from falling into the gripper path on central winding machines : de en
  • US2219448A - Pie rimming machine : en
  • US2219650A - Ticket issuing machine : en
  • US2219600A - Spring jack for knitting machines : en
  • US2219702A - Induction motor : en
  • GB528314A - Improvements in the production of coloured finishes on artificially produced oxide films on light metals : en
  • GB528469A - Improvements relating to the ports and passages of the cylinders of multi-cylinder internal combustion engines : en
  • SE100143C1 - : en sv
  • US2219799A - Headrest : en
  • GB528493A - Improvements in and relating to chock releases for supporting mine roofs and the like : en
  • GB528520A - Reaction units for blood-sugar test : en
  • US2219415A - Coupling for trucks and trailers : en
  • PL29326B1 - Panstwowe Zaklady Lotnicze in Warsaw Wytwórnia Motników *), Warsaw. Valve spring assembly for internal combustion engines. : en pl
  • CH211994A - Improved process and installation for hooping pipes and other parts. : en fr
  • GB528354A - Improvements in or relating to television transmitters : en
  • GR9319B - HOW TO IMPROVE THE SHOOTING PROPERTIES OF THE ARMS AND RIFLE SHOT. : el en
  • DE698105C - Bearing material : de en
  • GB528381A - Improvements relating to weaving : en
  • GB528587A - Improvements in or relating to compressor regulators : en
  • BE439274A - Process for the manufacture of a substitute capable of replacing egg yolk for the preparation of food : en fr
  • DE697932C - Reversing gear with automatic changeover : de en
  • CA392105A - Industrial heating furnace : en fr
  • US2219417A - Sterilizer for hypodermic syringes : en
  • CA392147A - Spray nozzle : en fr
  • GB528424A - Method of and apparatus for the televising of cinematograph films : en
  • DE698153C - : de en
  • DE698063C - Single pinching machine : de en
  • USD123289S - Design fob a slipper : en
  • USD123357S - Design for a display stand ob similar article : en
  • US2219457A - Motor construction : en
  • US2219557A - Heater : en
  • US2219754A - Lipstick spreader : en
  • US2219801A - Respiratory filter : en
  • US2219995A - Push bench : en
  • CA392169A - Flotation process for concentrating oxides of iron : en fr
  • CH212031A - Light switch fuse. : de en
  • CH212102A - Hub body for freewheel brake hubs with a sleeve made of light metal and a reinforcement insert made of steel. : de en
  • CA392231A - Tire vulcanizing mould : en fr
  • US2219583A - Paste : en
  • US2219792A - Disk brake : en
  • US2219956A - Strip advancing device for autographic registers : en
  • US2219541A - Lighting fixture : en
  • US2219757A - Crossing signal : en
  • US2219574A - Composite glass-metal article : en
  • US2219850A - Sound picture apparatus : en
  • USD123361S - Design for a dress : en
  • SU58230A1 - Upper clip for saw in slotting rate : en ru
  • GB528319A - Improvements in or relating to the regeneration of caoutchouc : en
  • GB528446A - Improvements relating to flushing cisterns : en
  • CH211996A - Stepless cone friction roller gear. : de en
  • CA392189A - Baffle for ignitrons : en fr
  • CH211972A - Recording machine. : en fr
  • USD123353S - Design for a chair : en
  • US2219722A - Daylight film winder : en
  • CA392259A - Durohydroquinone preparation : en fr
  • US2219852A - Apparatus for printing works : en
  • CA392246A - Vehicle coupler : en fr
  • CA392264A - Acetylene compound conversion : en fr
  • US2219554A - Coloration of stainless steel : en
  • DE698030C - Dipping machine for the production of objects from dissolved cellulose derivatives and similar masses : de en
  • CA392131A - Knitted fabric : en fr
  • AU1377744A - Improvement in pneumatic comparator gages : en
  • US2219631A - Rivet setting and removing tool : en
  • US2219731A - Sound film mechanism : en
  • US2219832A - Cherry stoner : en
  • AU122529B2 - Improvement in pneumatic comparator gages : en
  • DE698019C - Device for obtaining bast bands from bast fiber stalks, in particular ramie stems : de en
  • GB528525A - Improvements in or relating to printing telegraph exchange systems : en
  • US2219592A - Ring type roller press : en
  • GB528615A - Improvements in or relating to rocking chairs and settees : en
  • USD123340S - Design for a dress ensemble : en
  • GB528542A - Improvements in and relating to manifolding arrangements for typewriters : en
  • IS130B6 - Central oven : en is
  • CA392132A - Water heating system : en fr
  • CH211966A - Thermostat. : en fr
  • US2219851A - Chuck including operating mechanism therefor : en
  • US2220049A - Advertising method and magnet motivated object : en
  • USD123369S - Design for a dress : en
  • DE698040C - l. by means of exposure on photographic substrates : de en
  • GB528375A - Improvements relating to cellulose ester compositions : en
  • GB528428A - Improvements in or relating to the manufacture of artificial textile fibres : en
  • US2219434A - Musical instrument : en
  • US2219789A - Refrigerator : en
  • US2219809A - Apparatus for handling vegetables or the like : en
  • DE697965C - Process for current measurement in one of several parallel circuits with different nominal currents connected to a common consumer : de en
  • CA392194A - Resilient sheet : en fr
  • US2219740A - Door lock : en
  • GB528323A - Improvements in or relating to air-space high frequency cables : en
  • GB528333A - Stop-motion and rebound control mechanism : en
  • GB528498A - Electrodeposition of nickel : en
  • SU58081A1 - Device to improve switching in electric cars : en ru
  • AU111933B2 - Improvements in luminescent materials and their manufacture : en
  • DK58112C - Method and Apparatus for Measuring Heat Consumption. : da en
  • GB528342A - Improvements in or relating to apparatus for producing continuous rubber articles : en
  • SU52854A1 - The way to protect wooden poles, sleepers, etc. from rot : en ru
  • CH211916A - Device for inducing shaking movements. : de en
  • US2219898A - Ball rolling game : en
  • DE697993C - Scraper conveyor : de en
  • USD123280S - Design for a brooch pin or similar article : en
  • PL29292B1 - A method of waterproofing fibrous and other plant or animal materials. : en pl
  • DE697948C - Device and method for loading and emptying retorts, chamber ovens, or the like. : de en
  • PL29311B1 - A method for separating carbon by flowing and depositing and an apparatus for using the method. : en pl
  • US2220008A - Radio direction finder : en
  • DE697972C - Electromagnetic light control device for photographic light sound recordings : de en
  • DE698021C - Sunscreen : de en
  • US2219875A - Suspension and driving means for gyratory centrifugals : en
  • US2219884A - Tractor construction : en
  • GB528447A - Improved process for hardening gelatine : en
  • US2219394A - Shower connecting apparatus : en
  • US2219696A - Art of combustion : en
  • GB528362A - Improvements in or relating to portable x-ray equipment on motor vehicles : en
  • GB528604A - Combined locker and art desk : en
  • GB528425A - Improvements in thermionic valves : en
  • GB528355A - Improvements in television transmitters : en
  • US2219725A - Granular adsorbent and manufacture thereof : en
  • US2219421A - Rod wrench : en
  • US2219533A - Hauling unit : en
  • USD123324S - Design fob a dress : en
  • GB528336A - Improvements in or relating to continuous rod type cigarette making machines : en
  • GB528477A - Improvements in and relating to the manufacture of insulating tubes for electro-technical purposes : en
  • GB528508A - Improvements in or relating to power transmissions for motor vehicles : en
  • DE698020C - Threads, tapes and hoses made of polyvinyl compounds : de en
  • DK58109C - Rail for Skylight Constructions. : da en
  • DE698133C - Arc lamp, in particular headlight arc lamp with electrodes arranged at obtuse angles to one another : de en
  • GB528458A - Improvements in or relating to electron discharge tubes : en
  • GB528335A - Improvements in or relating to pneumatic tyres and the manufacture thereof : en
  • GB528417A - Improvements in or relating to key holders : en
  • GB528374A - Improvements in or relating to process of manufacturing alkaline silicates in powder form : en
  • GB528462A - Improvements in and relating to combination grates and the like : en
  • GB528600A - Improvements in or relating to looms with stationary weft supplies : en
  • AU111758B2 - Improvements in processes for treating aluminium, titanium, andiron bearing minerals : en
  • US2219690A - Tree transplanter : en
  • US2219694A - Machine for making shafts : en
  • US2219877A - Clutch construction : en
  • CA392117A - Selective control device : en fr
  • CA392248A - Paper feeding mechanism : en fr
  • CH211938A - Typewriter provided with a line justification device. : en fr
  • PL29308B1 - Fuse device for mechanical time fuses. : en pl
  • PL29314B1 - : en pl
  • US2219676A - Light modulation system : en
  • US2219540A - Gas analysis method and apparatus : en
  • US2219333A - Production of phthalic anhydride : en
  • USD123312S - Dispensing tube or similar article : en
  • DE698013C - d return of coins : de en
  • GR9317B - PHOTO CUT INTO STATUE TYPES. : el en
  • CA392183A - Speed regulator : en fr
  • USD123279S - Design for a grave enclosure : en
  • SU58252A1 - Oil dehydration unit : en ru
  • US2219974A - Smoker's ash tray and other articles adapted to rest on chair arms or other supports : en
  • US2219303A - Propeller : en
  • US2219482A - Bobbin lifting mechanism : en
  • US2219544A - Device for : en
  • GB528558A - Improvements in or relating to processes for treating metals to provide a coating or film thereon : en
  • DE698033C - Device for displaying changing pressures at Ma : de en
  • DE698076C - Circuit arrangement for calibrating or checking reactive consumption counters or three-phase counters with the aid of a single-phase calibrating or checking counter : de en
  • DE698092C - Steam turbo-electric drive for vehicles : de en
  • GB528387A - Method of producing liquid nitrogen tetroxide : en
  • GB528590A - Process for the separation or thickening of suspensions in coal washing plants : en
  • PL29291B1 - : en pl
  • USD123321S - Gill vehicle : en
  • GB528397A - Improved method of producing frozen confections resembling icecream and fatty preparations adapted to be used therein : en
  • AU122513B2 - Improvements in and relating to hydraulic reducing valves : en
  • CH212002A - Shear-resistant disc, especially for radially loaded steam or gas turbines. : de en
  • US2219302A - Volume control apparatus for radio receivers : en
  • US2219426A - Fermentation process for the production of butyl alcohol and other solvents : en
  • CA392156A - Electric lamp : en fr
  • DE698009C - Process for the production of basic calcium phosphates suitable as fertilizers : de en
  • DE698004C - Control device for achieving a constant speed of rotation of a motor-driven device working with variable useful power : de en
  • USD123264S - Coin changing machine j. e. hagstrom : en
  • CH211902A - Heald frame with guide rail. : de en
  • USRE21610E - Carburetor : en
  • GB528585A - Apparatus for testing the adhesion of protective coatings : en
  • GB528489A - Improvements in and relating to grinding machines, more for grinding gears : en
  • US2219444A - Grinding wheel dust hood : en
  • AU470739A - Improvements in and relating tothe utilization of producer or water gas : en
  • AU507839A - Improvements in apparatus for cutting butter into predetermined shapes : en
  • CA392106A - Collapsible carton container : en fr
  • CH212016A - Air cooling device with fan on vehicle engines. : de en
  • US2219682A - Sheet cutter for packaging machines : en
  • GB528388A - Improvements in or relating to weighing apparatus : en
  • DE698140C - One-sided touching erase head for devices for magnetic sound recording : de en
  • GB528439A - Improvements in or relating to fluid propelling and suction means by means of blades which automatically adjust themselves during working : en
  • CH212112A - Brush, in particular for cleaning cars, cabs and the like. : de en
  • CA392234A - Liquid and gas pump : en fr
  • GB528438A - Synthetic resins : en
  • USD123330S - Design for a front fender for a vehicle : en
  • US2219750A - Razor blade sharpener : en
  • USD123358S - Design for a display stand ob similar article : en
  • DE698074C - Double and multiple tariff meter for direct current high voltage systems : de en
  • DE698031C - Blackness measuring device for sound film purposes, in particular as a control device for sound recordings : de en
  • SU58138A1 - Fixture for fixing the crooked rods : en ru
  • US2219643A - Closet seat : en
  • US2219655A - Means for supporting tail pipes : en
  • US2219854A - Articulated figural toy and actuator : en
  • CH211881A - Formwork for casting walls made of concrete, with panels suspended from vertical frames. : de en
  • GB528497A - Improvements in presses, particularly adapted for operation upon metal : en
  • CA392263A - Free-wheel brake hub : en fr
  • AU111938B2 - Improvements in or relating to hydraulic jacks : en
  • CA392200A - Homogenizing device : en fr
  • CH211987A - A grinding tool consisting of a carrier and a material to be sanded on it and a method for its production. : de en
  • US2219496A - Mercury switch : en
  • US2219861A - Wet bulb thermostat control : en
  • USD123304S - Combined cigarette extinguisher and ash receiver : en
  • CA392226A - Railway car end interlock : en fr
  • CH211894A - Trouser press. : de en
  • GB528495A - Improvements in or relating to couplings for pneumatic tyre valves : en
  • CH211960A - Telemetry device. : en fr
  • CH212008A - Device for regulating the fuel supply in internal combustion engines. : de en
  • US2219343A - Machine for raising spines : en
  • US2219548A - Cigar lighter : en
  • GB528568A - Improvements in or relating to electromagnetic apparatus for determining location of concealed bodies : en
  • GB528456A - An improved gas seal between a rotating shaft and a wall through which it passes : en
  • DE698126C - Combination of shirt and pants : de en
  • GB528586A - Improvements in trailer mowers : en
  • GB528529A - Improvements in or relating to lubricating apparatus : en
  • USD123296S - Design for a handbag ok sevolar article : en
  • GB528472A - Improvements in paper and like containers for tobacco and other products : en
  • IE15979L - Luminescent materials : en
  • US2219772A - Method for treating food : en
  • CA392134A - Calendar : en fr
  • DE697953C - Electrode arrangement for cathode ray tubes for television and sound film purposes : de en
  • DE698082C - Large area photo relay : de en
  • DE697930C - Process for reducing leakage losses in labyrinth stuffing boxes : de en
  • DK58103C - Image Recorder Tube with Multiplier Electrode System. : da en
  • AU111966B2 - Improvement in electrostatic condenser and dielectric therefor : en
  • CH211891A - Device for cutting the peel of lemons or similar fruits into pieces, for use in bars, etc. : en it
  • DE697995C - Method and device for hardening the surface : de en
  • USD123339S - Design fob a wallpaper : en
  • CA392121A - Acetylene production : en fr
  • CA392242A - Magnetic core : en fr
  • GB528574A - Improvements in production of dyes of the cyanine type and to improved photographic emulsions : en
  • CH211925A - Process for the preparation of an azo dye. : de en
  • US2219429A - Computing device : en
  • US2219814A - Chair : en
  • CH211899A - Process for obtaining xanthate solutions. : de en
  • CH211974A - System for the transmission of tones with generation of a directional effect. : de en
  • DE698050C - : de en
  • US2219383A - Illuminating apparatus : en
  • US2219831A - Toy : en
  • US2219587A - Printing plate composition : en
  • USD123256S - Design fok a lamp : en
  • USD123313S - Design fob a handle fob hand ob foweb mower : en
  • DE697944C - Device for automatically stopping a lifting wheel, in particular for conveying sugar beets : de en
  • PL29315B1 - Ata Oy, Tampere. Snow plow. : en pl
  • US2219393A - Defrosting device : en
  • US2219443A - Electrical conductor retaining device : en
  • US2219878A - Switch : en
  • USD123259S - Design for a chair : en
  • SU56602A1 - Amalgamator for trapping fine gold from concentrate and gold-bearing pulp : en ru
  • DE697937C - Device for regulating the strength of the light source in copying machines : de en
  • GB528406A - Pouncing machine : en
  • GB528572A - An improvement in or relating to wheels for tractors : en
  • CH212060A - Process for the preparation of a derivative of 2-aminopyridine. : de en
  • US2220044A - Separation of maleic and phthalic anhydrides : en
  • US2219623A - Range : en
  • US2219423A - Method of forming porous metal articles : en
  • US2219445A - Nickel-base alloy : en
  • US2219973A - Flame-operable switch : en
  • US2219783A - Mechanical drawing apparatus : en
  • US2219914A - Zinc metallurgy : en
  • DE698034C - Method and device for determining the hardness of test bodies made of plastically deformable materials : de en
  • CA392107A - Collapsible carton container : en fr
  • CH212047A - Band filter with adjustable bandwidth. : de en
  • SU58260A1 - Portable Wheel Crank Crank Finger Turning Machine : en ru
  • SU58189A1 - Revolving drilling head : en ru
  • AU568139A - Improvement in remote control receiver : en
  • DE697957C - Process for the production of a low-pressure oil cable system, especially for uneven terrain : de en
  • US2219654A - Grafting device : en
  • US2219662A - Harvesting and sheaving or like machine : en
  • US2219348A - Means for producing mechanical vibrations : en
  • CH211968A - Arrangement for the electrical recording of the permeability curves of any resonance structure on the screen of a Braun tube. : de en
  • CA392215A - Method of bleaching pulp : en fr
  • CH211886A - Fiber cement article. : de en
  • CH211879A - Running hangers for windows and doors with sliding and pivoting sashes. : de en
  • BE439207A - Process for the production of higher polymer bodies which contain dye-forming radicals : en fr
  • CH211893A - Drawer insert, in particular for holding a typewriter. : de en
  • CH211872A - Guide roller for cloth conveyors, in particular for harvesting machines. : de en
  • US2219999A - Diagnostic apparatus : en
  • CA392228A - Hinge : en fr
  • CH211942A - Device for tensioning ski tips. : de en
  • US2219674A - Buckle construction : en
  • US2219949A - Frying apparatus : en
  • CH212001A - Sealing device with antechamber for rotating shafts, in particular for centrifugal pumps for easily gasifying liquids BEZW. Gases. : de en
  • PL29323B3 - Marconi's Wireless Telegraph Co. Ltd., London. Connection system for powering the radio receiver. : en pl
  • CH212095A - Streamlined body. : de en
  • PL29306B1 - : en pl
  • US2219882A - Brooder : en
  • US2219762A - Typewriter desk : en
  • US2219903A - Jack illumination : en
  • US2219829A - Method of making elastic fabrics : en
  • USD123335S - Embroidered textile fabric or similar article : en
  • BE439362A - : en fr
  • CA392198A - Homogenizing device : en fr
  • DE698016C - Electric switch : de en
  • PL29312B1 - A method of drying or heating dust-containing materials, and an apparatus for carrying out the method. : en pl
  • US2219824A - Door opening and door checking device : en
  • CH212011A - Carburetor for internal combustion engine. : en fr
  • US2219986A - Tamping and/or mixing machine : en
  • USD123275S - Design for a chair : en
  • CA392235A - Pump : en fr
  • CH212084A - Parallel packing for stumps and the like. : de en
  • CH212073A - Operating button for moving parts of electrical devices, radio receivers, measuring devices, etc. : en fr
  • US2219412A - Transfer cell for automobiles : en
  • AU219140A - Fluid distributing device : en
  • US2219521A - Conversion of hydrocarbon oils : en
  • CA392158A - Alternating current generating method : en fr
  • GB528395A - Improvements in and relating to electric air-break power and isolating switches : en
  • DE684049C - Process for the transport of a useful gas liquefied at low temperature : de en
  • AU1649644A - Resin coated fiber base and process of making thesame : en
  • US2219738A - Process of producing blister-free compound metals : en
  • DE698028C - Split vulcanizing mold : de en
  • DE698147C - ften : de en
  • USD123314S - Over-dress ensemble or similar article : en
  • USRE21608E - Night latch : en
  • CH211955A - Automatic firearm. : de en
  • CA392178A - Core wrapping machine control device : en fr
  • CH211998A - Centrifugal machine. : en fr
  • US2219510A - Reflecting electric lamp : en
  • PL29268B1 - A method of equalizing the force and an apparatus for carrying out the method. : en pl
  • AU111932B2 - Improvement in remote control receiver : en
  • CA392150A - Steam generator : en fr
  • DE698119C - Relative current receiver for remote pointer : de en
  • DE698001C - Pistons for internal combustion engines with an angular protective ring provided on the edge of the piston crown : de en
  • CA392221A - Superheterodyne converter network : en fr
  • CH211913A - System for cooking respectively. Evaporation of food and luxury foods. : de en
  • AU138940A - Improvements in or relating to cylinder heads for internal combustion engines : en
  • DE698135C - Process for obtaining spinnable vegetable fibers from staple fiber plants : de en
  • US2220041A - Vanadic acid esters of homocyclic alcohols : en
  • US2219480A - Centrifugal control for ignition timer : en
  • US2219919A - Remote control for radio receivers : en
  • CH212127A - Process for the production of a lightfast tanning agent. : de en
  • US2219294A - Aluminum container for hydrogen peroxide : en
  • US2219531A - Pyrophoric lighter : en
  • US2219703A - Photographic test strip : en
  • US2219736A - Valve : en
  • US2219892A - Sheet feeding mechanism : en
  • US2220019A - Refractory and method of manufacture : en
  • US2219692A - Heart-beat recording scale : en
  • CH212070A - Electrical screen assembly for use in carrier-frequency messaging over wire networks. : de en
  • US2219297A - Birdhouse : en
  • US2219727A - Insulator structure : en
  • US2219298A - Optical torsiograph : en
  • US2219608A - Feeder for stitching machines : en
  • US2219730A - Classifier : en
  • US2219308A - Wax thread sewing machine : en
  • US2219775A - Measuring apparatus : en
  • CH211936A - Guide map in folder form for a steep index. : de en
  • US2219616A - Water purification : en
  • US2219804A - Method and apparatus for setting up yarns in a slasher : en
  • USD123311S - Design for a dress : en
  • USD123298S - London casing for a projector : en
  • GB528325A - Improvements relating to control circuits for temperature responsive resistances : en
  • DE697950C - Refrigeration compressor : de en
  • DE697998C - Stage arrangement for theater : de en
  • SU58085A1 - The method of regeneration of vegetable and mineral oils from the cleaning ends : en ru
  • US2219669A - Bearing : en
  • US2219791A - Process for obtaining proteohormones with albumen character : en
  • DE698146C - Shading mat : de en
  • DE698046C - Testing device for snap rings on gas mask windows : de en
  • GB528480A - Improvements in arrangements in liquid level gauges : en
  • US2219491A - Apparatus for making cigarettes : en
  • SU58130A1 - The method of preparation of coal-gas suspensions : en ru
  • DE698085C - Device for electrical resistance welding : de en
  • GB528453A - Improvements relating to latrine-seats : en
  • GB528470A - Improvements in or relating to illuminated display apparatus : en
  • GB528478A - Improvements in vibrating apparatus for fourdrinier paper machines : en
  • GB528607A - Improvements in high-pressure metal-vapour electric discharge devices : en
  • GB528385A - Improvements in or relating to means for straightening the flow of gases in pipes, conduits or the like : en
  • US2219581A - Decolorizing and filtering agent : en
  • USD123334S - De sign for a dre : en
  • US2219410A - Doughnut machine : en
  • USD123365S - Design for a dress : en
  • US2219741A - Manufacture of water-soluble double salts of purine derivatives : en
  • US2219728A - Manufacture of crepe yarn : en
  • US2219462A - Welding rod : en
  • USD123333S - Design foe a dress ensemble : en
  • US2219361A - Rocker arm : en
  • DE697999C - Method for determining the adhesive strength of Pr tear tests on prismatic test bars from the clad sheets : de en
  • GB528383A - Improvements in or relating to electrical ignition systems for internal-combustion engines : en
  • DE694165C - Process for the production of animal feed containing urea and carbohydrates : de en
  • DE698039C - Flash lamp : de en
  • DK58107C - Method of Manufacturing an Electric Discharge Pipe with a Secondary Emission Electrode. : da en
  • US2219380A - Picker : en
  • US2219672A - Starting device : en
  • US2219797A - Support for loom take-up rolls : en
  • CH212126A - Process for the production of a lightfast tanning agent. : de en
  • GB528563A - Improvements in and relating to the manufacturing of abrasive articles : en
  • DE697929C - Container screw connection, especially for aircraft : de en
  • US2219578A - Manufacture of medicinal capsules : en
  • DE698097C - Process for the production of objects from vitreous silica by sintering : de en
  • GB528413A - Improvements in or relating to wooden boxes, grates and like packing cases : en
  • GB528500A - New or improved arrangement of incandescent plug in an ante-chamber of an internal combustion engine : en
  • US2219573A - Method of making composite glassmetal articles : en
  • AU1662044A - Appliance for inserting sealing pins into tubular rivets, driving tacks or nails and like purposes : en
  • US2219471A - Valve seat insert : en
  • CH211941A - Fountain pen with an outward opening chamber for the insertion of solid ink. : de en
  • CH211983A - Expandable chuck. : de en
  • US2219936A - Signaling system : en
  • US2219363A - Annealing furnace : en
  • GB528366A - Improvements in machines for preparing pneumatic tyres for re-rubbering : en
  • GB528561A - Improvements in or relating to power transmissions for motor vehicles : en
  • US2219328A - Railroad crossing : en
  • US2219683A - Suspension of glass doors : en
  • US2219689A - Vehicle brake : en
  • US2219746A - Kerf cutting machine : en
  • US2219788A - Nail expansion : en
  • GB528539A - Improvements in or relating to methods of and apparatus for splicing unvulcanised indiarubber tubes : en
  • PL29309B3 - A method to reduce the slippage of granular calcium cyanamide. : en pl
  • US2219881A - Railway signaling system : en
  • US2219900A - Manufacture of luminescent screens : en
  • DE698136C - influential durable product : de en
  • DE698047C - Screw connection of wing spar parts : de en
  • US2219339A - Means for spacing turbine blades while securing the same : en
  • US2219525A - Truck body hoist mechanism : en
  • US2219625A - Bearing and the lubrication thereof : en
  • USD123329S - Design for an air outlet for venti- lators : en
  • SU58194A1 - Pipe bending machine by dies : en ru
  • SU58201A1 - Adaptation to spinning wool to stop the roving when the thread breaks : en ru
  • GB528334A - Interlock for sewing machines : en
  • US2219558A - Culinary tongs : en
  • CH211982A - Center punch with housing with automatic regulation of the axial pressure on machine tools. : de en
  • USD123297S - Design for a pencil or similar article : en
  • USD123266S - Design fob a brooch pin ob similar article : en
  • DE698083C - Process for the formation of selenium valve discs for selenium rectifiers or photocells : de en
  • GB528432A - Improvements in gas burners : en
  • GB528496A - Improvements relating to motor vehicle frames : en
  • GB528605A - Improvements in or relating to aerial systems : en
  • US2219793A - Pneumatic thread extractor for looms : en
  • CA392261A - Ground draining system : en fr
  • DE698059C - Device for heat treatment, especially drying of moisture-sensitive goods in a high-frequency capacitor field : de en
  • DE698113C - Process for reducing surface friction by keeping the friction layer laminar : de en
  • US2220051A - Power supply for radio receiving sets : en
  • CA392136A - Weighing scale : en fr
  • AU1329444A - Improvements in or relating to fuel tanks : en
  • US2219748A - Thioxane sulphur trioxide addition compound : en
  • US2219522A - Apparatus for gasifying liquid fuel : en
  • US2219466A - Control valve for fluid motors : en
  • CH212037A - Cathode ray tube. : en fr
  • US2219933A - Shoe sewing machine : en
  • CH212050A - Gas burners for gas stoves, gas ovens, etc. : de en
  • US2219626A - Motor vehicle door handle : en
  • PL29336B3 - The method of producing condensation products from pyrimidines and aldehydes. : en pl
  • US2219463A - Stabilized vinyl resins : en
  • US2219612A - Electric reaction furnace : en
  • CA392170A - Flotation process for concentrating carbonate minerals : en fr
  • CH212030A - Gas pressure switch. : de en
  • CH212032A - Electrical control resp. Control device for lighting systems on vehicles. : de en
  • BE439282A - : en
  • USD123294S - Combination desk-calendar unit : en
  • AU111751B2 - Molded article and process of production : en
  • CA392232A - Separate fastener : en fr
  • PL29296B1 - : en pl
  • PL29286B1 - Electric soldering apparatus. : en pl
  • SU58197A2 - Device for turning off the primary winding of a welding transformer in order to improve its installation during transformer idling : en ru
  • US2219939A - Bridge arrangement : en
  • CH211911A - Captive bolt gun. : de en
  • CH212039A - Electric discharge tube. : de en
  • CH211965A - Manufacturing process of a thermostat and thermostat obtained by this process. : en fr
  • CH211992A - Pipe element. : en fr
  • AU436139A - Improvements in or relating to directional antenna arrangements : en
  • CH212117A - Process for the production of a new dye. : de en
  • AU111763B2 - Improvements in travelling grate stokers : en
  • USD123277S - Design for a thermometer : en
  • PL29285B1 - The method of grinding grain. : en pl
  • PL29330B1 - Device for automatic adjustment of the moment of ignition in cylinders of internal combustion engines. : en pl
  • US2219442A - Synthetic tool die and the method of manufacture thereof : en
  • US2220006A - Spindle for strand wrapping : en
  • GB528569A - Improvements in and relating to gyroscopic horizons and verticals : en
  • DE697939C - Wooden sole shoe or slipper : de en
  • DE697991C - Tension pulley, especially for the belt drive of spinning and twisting spindles : de en
  • CA392176A - Gelatin processing : en fr
  • CH212056A - Process for the production of a healing and protective serum against distemper. : de en
  • CA392245A - Bottle cap : en fr
  • CH212110A - Extendable bracket adapting to windows. : en fr
  • GB528467A - Improvements in apparatus for the treatment of articles with liquids : en
  • PL29276B1 - Ernst Kiihl, Tylz. ._ ^. j E- Ok (( : en pl
  • US2220023A - Conversion of continuous filaments into staple fibers : en
  • CA392184A - Frequency changer : en fr
  • CA392115A - Washer producing machine : en fr
  • CH212066A - Pointing machine. : en fr
  • CH212085A - Rain protection device on car doors. : de en
  • US2219732A - Golf ball holder : en
  • GB528382A - Improvements in making continuous sheets or strips of a cellulose derivative : en
  • USD123284S - Textile fabric or similar article : en
  • US2219758A - Leading-in outfit for electric vessels : en
  • DE698117C - : de en
  • CA392258A - Divinyl ether : en fr
  • CA392167A - Wallboard manufacture : en fr
  • DE697964C - Switchable multimeter for direct and alternating current, especially ammeter and voltmeter : de en
  • US2219345A - Combination cracking : en
  • US2219362A - Casement window operator : en
  • US2219709A - Cotton compress : en
  • US2219950A - Frying apparatus : en
  • USD123274S - Souvenir block for carrying advertising matter : en
  • GB528404A - Improvements in electric supply systems : en
  • CA392130A - Portable radio receiver : en fr
  • GB528352A - A new or improved main and auxiliary steam and feed system : en
  • GB528547A - Paper and like containers and method of making the same : en
  • US2220014A - Synchronized control for machine guns : en
  • GB528311A - Improvements in glands for junction boxes for electric cables : en
  • GB528535A - Improvements in or relating to lubricating devices : en
  • GB528356A - Improvements in and relating to railway vehicles : en
  • CA392177A - High-speed electric motor : en fr
  • USD123371S - Design for a dress : en
  • AU111967B2 - Shipping container : en
  • BE439227A - : en fr
  • GB528459A - Improvements in or relating to the treatment of furs or skins : en
  • DE698070C - Ceramic insulator, the fitting of which is attached without putty : de en
  • GB528418A - Improvements in or connected with machines for use in road and like work : en
  • CA392250A - Aircraft landing gear : en fr
  • CH211906A - Wing tie. : de en
  • CH212003A - Method for operating Breunkraftmaschinen. : de en
  • US2219918A - Concealed hinge : en
  • DE698123C - Extendable lens on photographic cameras : de en
  • US2219975A - Vertically adjustable and foldable seat : en
  • SU58187A1 - The method of underground gasification of combustible : en ru
  • US2219957A - Method of making trimetallic plate : en
  • US2220039A - Variable timing action in loop regulating mechanism : en
  • US2219331A - Vitreous body : en
  • US2219856A - Microvariable paper machine drive : en
  • CH211907A - Scarf-like item of clothing. : de en
  • DE698018C - : de en
  • GB528575A - Improvements in the electrical production of musical sounds : en
  • DE697959C - Clamp for electrical lead wires with captive pressure piece made of sheet metal : de en
  • GB528518A - Improvements in or relating to measuring instruments : en
  • GB528423A - Improvements in or relating to hoists : en
  • PL29328B1 - : en pl
  • US2219514A - Buckle or similar article : en
  • USD123287S - Textile fabric or similar article : en
  • DE697960C - Device for setting installation devices flush with the wall in flush-mounted boxes : de en
  • GB528492A - Improvements in or relating to the wrapping or packing of cigarettes or other rod-like articles : en
  • DE697735C - Process for the extraction of calcium ammonium nitrate : de en
  • GB528369A - Improvements in and relating to foam-producing devices for fire extinguishing purposes : en
  • GB528452A - Improvements in and relating to gas blast electric switches : en
  • GB528551A - Improvements in or relating to the concentration of acids : en
  • AU412439A - Improvements in processes for treating aluminium, titanium, andiron bearing minerals : en
  • DE698096C - Device for holding attachments to the core box : de en
  • CH211989A - Tool holder for impact devices. : de en
  • US2219476A - Cutting tool : en
  • US2219598A - Accordion : en
  • CH212021A - Refrigeration apparatus. : en fr
  • DE697962C - Stator core for single-phase induction motors : de en
  • DE697985C - Shaft retaining bush for controllable pitch propeller blades : de en
  • AU111935B2 - Method of and apparatus for shrinking textile fabric or yarn : en
  • CA12895S - STAUETTE : en fr
  • CA392148A - Steam boiler furnace : en fr
  • CA392244A - Bottle closure : en fr
  • CH211917A - Process for the manufacture of liquid or gaseous synthetic products from gaseous constituents. : en fr
  • GB528415A - An improved electro-pneumatic control for priming syphon systems : en
  • GB528419A - Improvements in and relating to needle threading devices : en
  • AU122535B2 - Means for the draft and drive coupling of agricultural implement, or machines to a tractor : en
  • CA392265A - Fibrous material improving process : en fr
  • GB528358A - Improvements in the treatment of fabrics for modifying their lustre and other properties : en
  • GB528463A - Improvements in or relating to article delivery mechanism : en
  • GB528367A - Improvements relating to domestic and like solid fuel grates : en
  • US2219675A - Game : en
  • CH211977A - Oblong shaped watch. : en fr
  • CH212113A - Device for generating smoke and heat in smokehouse. : de en
  • CH211928A - Process for the preparation of a basic triphenylmethane dye. : de en
  • CH212093A - Box girders for frameless vehicles. : de en
  • US2219315A - Machine for raising metal spines : en
  • US2219656A - Processing of materials : en
  • US2219779A - Picker spindle lubricator : en
  • DE698037C - Alignment device for beans or the like. : de en
  • GB528514A - Improvements in or relating to radio direction finding systems : en
  • GB528570A - Projectile driving band : en
  • GB528534A - Improvements in or relating to lubricating apparatus : en
  • CH212072A - Circuit arrangement for telephone systems with several exchanges and power surge renewal devices. : de en
  • GB528316A - Improvements in universal joints : en
  • CA392143A - Yarn feeding mechanism : en fr
  • DK58113C - Butter Manufacturing Plant. : da en
  • SU58167A1 - Device for coupling a driving member to a belt of a periodically moving press table : en ru
  • US2219285A - Apparatus and method for nodulating fibers : en
  • US2219787A - Cook stove : en
  • US2219323A - Gear shifting mechanism : en
  • US2219961A - Immersible mold for the production of hollow molded articles : en
  • US2219980A - Aircraft : en
  • CH211975A - Projection screen and process for its manufacture. : en fr
  • CA392192A - Vapour electric device : en fr
  • CH212071A - System for multiple carrier wave transmission. : de en
  • CA392159A - Signal system : en fr
  • CH212062A - Process for the preparation of a derivative of 2-aminopyridine. : de en
  • CH211896A - Handle-like handle with exchangeable brush. : de en
  • US2219857A - Paper machine drive : en
  • US2219346A - Method and apparatus for producing fibrous material : en
  • US2219358A - Concealed hinge : en
  • CA392108A - Road guard : en fr
  • AU122519B2 - Resin coated fiber base and process of making thesame : en
  • CA392211A - Rubber thread production : en fr
  • AU529839A - Photoelectric control system for automatic paper feeding machines : en
  • SU58099A1 - The method of obtaining 2- (2'-alkyldihydro- (1 ', 2') benzthiazolidin-1'-ethylidene) -3-oxo-2,3-dihydrothionaphthene : en ru
  • US2219640A - Skeleton form frame for sprue formers : en
  • AU111915B2 - Refuse handling truck body : en
  • AU111747B2 - Improvements in and relating to machines for manufacturing egg pulp : en
  • PL29275B1 - : en pl
  • SU58126A1 - Method of producing tissue printing preparation : en ru
  • US2219830A - Spotting unit : en
  • CH211986A - Axially displaceable mounting of grinding, lapping or polishing discs. : de en
  • US2219911A - Vacuum cleaner with auxiliary dustreceiving bag : en
  • US2220058A - Electric fuse : en
  • US2219321A - Thrust ball bearing : en
  • AU73840A - Improvements in luminescent materials and their manufacture : en
  • GB528340A - Improvements in or relating to methods of and apparatus for forming rubber articles from latex : en
  • SU58237A1 - Method of producing metal hydroxides : en ru
  • CH211878A - Window. : en fr
  • CH211947A - Hand grenade. : en fr
  • US2219812A - Transmission drive : en
  • CH212099A - Expandable brake body provided with a flexible brake lining, especially for freewheel hubs. : de en
  • US2219502A - Switch and signal control system for railroads : en
  • US2220005A - Vent and filling device : en
  • USD123309S - Design for a dress : en
  • SU58097A1 - Method of making high-resistance : en ru
  • CA392214A - High resistance electrode : en fr
  • CH211990A - Universal tool. : de en
  • USD123325S - Design fob a dress : en
  • CA392218A - Nozzle closure means for containers : en fr
  • US2219923A - Battery operated gaseous conduction lamp flasher : en
  • SU58246A1 - Guitar : en ru
  • CA392145A - Air conditioning apparatus : en fr
  • USD123276S - Novelty pin or similar article : en
  • US2219595A - Method of forming metallic frame structures : en
  • US2219870A - Means for promoting plant growth : en
  • US2219885A - Flaw detecting apparatus : en
  • PL29313B1 - A method for purifying particles separated by filtration and settling, and an apparatus for carrying out the method. : en pl
  • US2220009A - Fractionator distillate outlet : en
  • GB528617A - Process for the conversion of carbon monoxide with hydrogen into hydrocarbons having more than one carbon atom in the molecule : en
  • US2219684A - Laminated product : en
  • GB528554A - Improvements in or relating to electric motor control systems : en
  • AU470839A - Improvements in and relating to overhead doors for garages andthe like : en
  • CA392181A - Electric discharge apparatus : en fr
  • CA392241A - Electron discharge device : en fr
  • CH212059A - Process for the production of a calcium- and gold-containing product from a mixture of keratin breakdown products. : de en
  • CH212067A - Pointing machine. : en fr
  • CH212092A - Vehicle with air-cooled engine and oil cooler. : de en
  • GB528357A - Improvements in devices for branching multi-core cables : en
  • US2219894A - Furnace : en
  • USD123368S - Design for a dress ensemble : en
  • US2219292A - Voltage converter : en
  • GB528562A - Improvements in systems for automatically controlling a variable physical condition and applicable to automatic steering and like systems : en
  • GB528318A - Improvements in or relating to electrical condensers : en
  • GB528373A - Rotary machines of the sliding vane type : en
  • SE100144C1 - Ways to produce hot-smoked charcuterie : en sv
  • US2219407A - Rotary oven for the heat treatment of coal and other solid materials : en
  • SU50999A1 - Device to remove the font from the cast lines in the matrix-type and row-casting machines : en ru
  • GB528444A - Improvements in television receivers of the optical projection type and other image projection systems : en
  • CA392202A - Protective composition for fruits : en fr
  • CA392240A - Alloy : en fr
  • DE697988C - Shaft sealing against OE leakage from ship bearings : de en
  • CA392122A - Earth conditioning machine : en fr
  • GB528421A - Improvements relating to adjustable windows : en
  • CA392155A - Electric lamp : en fr
  • US2219996A - Method and apparatus for recovering phthalic anhthydride : en
  • DK58115C - Beekeeping device. : da en
  • US2219446A - Finger guard : en
  • US2219487A - Sheet metal container : en
  • US2219794A - Thread separator for looms : en
  • GB528331A - A machine for breaking up metal turnings and cuttings : en
  • US2219646A - Sodium orthosilicate and method of making same : en
  • CA392118A - Bird feeding station : en fr
  • DE698163C - Device for internal treatment, in particular for cleaning barrels, for example oil barrels : de en
  • GB528422A - Improvements in or relating to therapeutic vibrators : en
  • USD123326S - Design for a dress : en
  • GB528591A - Device for facilitating the carrying of parcels, suitcases or the like : en
  • PL29271B1 - The method of curling imitation wool made of viscose. : en pl
  • GR9318B - CIGARETTE LIGHTER. : el en
  • PL29267B1 - Toni Loibl, Berlin-Tempelhof. L> bfc /// Ol Funnel with an overflow protection device. : en pl
  • GB528504A - Improvements in automatic traffic controlling apparatus : en
  • GB528464A - Improvements in and relating to shock absorbers for motor vehicles and the like : en
  • DE698102C - Device for recording X-ray structure diagrams : de en
  • GB528564A - Improvements in and relating to liquid level indicators : en
  • DE698032C - Directly displaying power meter for power and work machines : de en
  • GB528339A - Improvements in air-operated checking or damping devices : en
  • GB528505A - Improvements in surgical bandages : en
  • GB528580A - Improvements in and relating to the pressure gas supply of electric switches : en
  • US2219458A - Recording apparatus : en
  • US2219971A - Scaffolding jack : en
  • CH211958A - Detonator. : de en
  • US2219701A - Cloth inspecting machine : en
  • USD123350S - Design for a display stand for spectacles or the like : en
  • US2219967A - Servomotor fob aircraft : en
  • US2219424A - Obstetrical delivery forceps : en
  • CH211963A - Gyroscope with a gimbal mounted gyro. : de en
  • US2219998A - Gyroscope : en
  • US2219366A - Arrangement of liquid level gauges : en
  • USD123291S - Design for a nail file : en
  • AU111638B2 - Improvements inelastic welts or bands : en
  • CA392182A - Speed regulator : en fr
  • CH211973A - Registering machine. : en fr
  • US2219710A - Method for preserving foundations : en
  • US2219539A - Electrical piano : en
  • GB528598A - Improvements in apparatus for treating articles with liquid or gaseous agents : en
  • GB528614A - Improved reaping machine or the like : en
  • US2219518A - Hydromechanical brake connector : en
  • US2219771A - Drive for jacquards for terry looms : en
  • US2219853A - Production of abrasive material : en
  • SU58181A1 - Method to apparatus for producing glyphthalic resins : en ru
  • GB528341A - Improvements in or relating to thread covering apparatus : en
  • AU83640A - Improved process for manufacturing hats : en
  • GB528491A - Improvements in or relating to means for supporting the outside dividers of grain harvesters : en
  • US2219864A - Permanent mold machine : en
  • US2219920A - Starching machine : en
  • US2219948A - Posture corrector and exerciser : en
  • US2219382A - Weather strip : en
  • GB528486A - Improvements in or relating to containers for pourable substances : en
  • US2219782A - Separation of benzol from coke oven and like gases : en
  • US2219456A - Adjustable seat support : en
  • US2219492A - Combined photograph mount and mailing receptacle : en
  • US2220031A - Drawbar and anchor : en
  • DE698081C - Highly sensitive relay, especially for smoke alarms : de en
  • DK58110C - Adjustable Column for Use in Casting Floor Separations. : da en
  • US2219399A - Belt connector : en
  • GB528317A - Improvements in or relating to the manufacture of benzidine : en
  • GB528485A - Improvements in and relating to earthing reactances : en
  • GB528512A - Improvements in or relating to the lasting of moccasins : en
  • DE697955C - Coin telephone for self-connecting telephone systems with multiple counting : de en
  • US2219591A - Universal joint : en
  • GB528471A - Improvements in or relating to ampoules or like devices : en
  • US2220045A - Oil treating apparatus : en
  • US2219704A - Bowling alley : en
  • US2219712A - Ho sojh : en
  • US2219395A - Manufacture of pigmented oil compositions : en
  • US2219501A - Glove : en
  • US2220002A - Heat treating : en
  • DE697946C - Self-sealing coke oven door : de en
  • US2219529A - Treatment of hydrocarbons : en
  • USD123323S - Design foe, a dress : en
  • GB528606A - Improvements in dust classifiers : en
  • US2220013A - Method of obtaining naphthenic acids : en
  • DE696769C - Equipment on vacuum tube evaporators for easy insertion of the tubes : de en
  • AU111757B2 - Amounting for machines which vibrate : en
  • CH211954A - Automatic firearm. : en fr
  • AU111771B2 - Improvements relating to shirts : en
  • US2219917A - Oil burner : en
  • US2219751A - Single side band diversity radio receiving system : en
  • USD123263S - Design for a candle holder : en
  • USD123268S - Design for a signal device : en
  • DK58106C - Underpudsdaase med Laskeforbindelse. : da en
  • US2219402A - Air blast gin : en
  • US2219965A - Transmission mechanism : en
  • US2219993A - Machine for forming sheet metal elbows : en
  • CH211980A - Process for the production of centrifugally cast pipes. : de en
  • GB528481A - Improvements in or relating to biasing circuits for electron discharge devices : en
  • US2219706A - Portable mixing machine : en
  • GB528345A - Improvements in or relating to electrical frequency wobbling arrangements : en
  • DE697730C - Process for the preparation of urethane-like compounds : de en
  • US2219749A - Single side band diversity radio receiving system : en
  • DE698010C - Process for obtaining an ice containing hydrogen peroxide : de en
  • PL29274B1 - : en pl
  • US2219897A - Valve structure : en
  • USD123262S - Design for a knob : en
  • PL29321B1 - : en pl
  • USD123286S - Textile fabric or similar article : en
  • SU58136A1 - Machine for twisting eggs : en ru
  • USD123315S - Combined turret lathe and stock supports : en
  • GB528441A - Improvements in and relating to snap fasteners : en
  • DE697989C - Process for the manufacture of footwear with leather or fabric uppers : de en
  • CA392257A - Ethylene compound production : en fr
  • PL29279B1 - Ernst Alwardt, Kiel-Gaarden. Extinguisher shell. : en pl
  • DK58104C - Flicker receiver. : da en
  • DE698150C - Cutter head for cutting in the longitudinal directionidkegelraedern : de en
  • US2219859A - Treatment of motor fuels : en
  • US2219744A - Winker for electric lamps : en
  • PL29329B1 - Ringhoffer - Tatra¦ Werke A. G., Prague. Body with flowing lines, especially for vehicles with a front hood. : en pl
  • SU58188A1 - The method of producing glue : en ru
  • SU58269A1 - Machine for spreading special backdrops : en ru
  • CA392256A - Ethylene compound production : en fr
  • CH212018A - Device for setting the ignition timing of internal combustion engines. : de en
  • US2219618A - Mechanical pencil : en
  • DE698145C - Drainage line : de en
  • GB528530A - Improvements in lubricant-dispensing devices : en
  • CH211952A - Additional circular grain disc. : de en
  • DE698053C - Rear reflector arrangement for bicycle pedals : de en
  • US2219930A - Phonographic apparatus : en
  • US2220056A - Paper die cutting machine : en
  • USD123348S - Design for a dress : en
  • DE697956C - Coin operated telephone : de en
  • CH212080A - Clamping device for cords, ropes, etc., especially for closures of backpacks and the like. : de en
  • GB528454A - Improvements in or relating to sliding roofs for vehicles : en
  • DE698116C - Braking device, especially for motor vehicles and trailers : de en
  • US2219976A - Automobile headlight control : en
  • USD123360S - Design for a textile fabric : en
  • DE697904C - Electric high-voltage switch with arc extinguishing in a closed case : de en
  • GB528377A - Improvements in or relating to the reduction of the viscosity of confection compositions and viscosity reducing agents therefore : en
  • GB528541A - Improvements in or relating to automatic coin-freed vending machines : en
  • PL29310B1 - : en pl
  • US2219673A - Apparatus for operating cascade systems : en
  • US2219390A - Centrifugal pump with dual impeller : en
  • US2219745A - Magnetron modulator : en
  • US2220003A - Ignition distributor : en
  • PL29282B1 - Panstwowe Zaklady Tele- i Radjotechniczne in Warsaw *), Warsaw. Radio amplifier with frequency conversion. : en pl
  • US2219503A - Switch and signal control system for railroads : en
  • US2219987A - Multilayer material for color photography and method of making the same : en
  • US2219994A - Gas turbine plant and regulating system therefor : en
  • US2219983A - Fishing tackle : en
  • GB528618A - Improvements relating to hangers for wearing apparel : en
  • US2219819A - Door opening device : en
  • CH212078A - Television and sound receiving arrangement. : de en
  • USD123342S - Design for a handbag : en
  • USD123273S - Brooch or similar article : en
  • US2219658A - Airplane toy : en
  • SU58156A1 - Device for double-sided glueing of rubber shoe parts, etc. : en ru
  • SU58174A1 - The method of obtaining granitol on a paper basis : en ru
  • US2219624A - Exercising machine : en
  • CH211905A - Plan dryer. : de en
  • US2219563A - Rock drill feeding mechanism : en
  • US2219594A - Metallic window and door frame : en
  • CA392175A - Oxatricarbocyanine dye : en fr
  • CH212026A - Encapsulated control panel. : de en
  • CH211988A - Safety razor for flexible double-edged razor blades. : de en
  • US2219915A - Control circuit : en
  • USD123281S - Design for a combined lamp and at- taching : en
  • USD123363S - Design for a dress : en
  • US2219511A - Combination change purse and billfold : en
  • DE698090C - preparations : de en
  • CA392179A - Electric motor drive mechanism : en fr
  • CH211885A - Saving element for central heating boiler. : de en
  • CH212120A - Process for the preparation of an azo dye. : de en
  • CA392217A - Air heater : en fr
  • CA392165A - Energizing circuit for unilaterally conducting devices : en fr
  • DE697976C - : de en
  • CH211940A - Optical device on a photographic camera for observing the focusing screen image. : de en
  • DE698088C - Card index : de en
  • CA392191A - Vapour electric convertor : en fr
  • US2219439A - Refrigeration : en
  • PL29305B1 - Siemens - Lurgi - Oottrell Elektrofilter - Gesellschaft m. B. H. fur Forschung u. Patentverwertung, Berlin. A non-self-igniting liquid insulator for the purification of gases by electricity. : en pl
  • CA392220A - Audio volume expander circuit : en fr
  • US2219530A - Filling device for pocket pyrophoric lighters : en
  • CH211935A - Method for combining sheets of a stack to form a book or the like. And book or the like produced by this method. : de en
  • AU111768B2 - Improvements in or relating to pressure-sensitive capsules : en
  • US2219280A - Dyestuffs and process of making same : en
  • DE698154C - Interchangeable pen with lead holders that can be fixed in the writing position by a locking ring : de en
  • DE698148C - Machine set consisting of individually lined up parts for fluid production : de en
  • GB528433A - Improvements in the production of photographic sound records : en
  • US2219534A - Tire cover : en
  • US2219537A - Buckle : en
  • GB528506A - Improvements in gas turbines : en
  • US2219768A - Pneumatic thread extractor for looms : en
  • USD123283S - Textile fabric or similar article : en
  • US2219419A - Shoe shank press : en
  • US2219468A - Hay storage silo : en
  • US2219588A - Seam for woven wire fabric and method of making the same : en
  • US2219724A - Sorting table or the like : en
  • USD123308S - Design for a dress : en
  • CA392128A - Dispensing box : en fr
  • CA392260A - Covered elastic thread : en fr
  • CH212134A - Button consisting of the upper and lower part. : de en
  • GB528321A - Improvements in and relating to the preparation of opaquing agents for white enamels : en
  • CH211927A - Process for the preparation of an azo dye. : de en
  • AU111945B2 - An improved steam boiler : en
  • US2219342A - Apparatus for electrolysis : en
  • US2220047A - Heat treatment production of vegetable fiber products : en
  • DE698164C - Process for bleaching cellulose-containing fiber material, in particular cotton : de en
  • US2219538A - Dental casting apparatus : en
  • US2219785A - Lubricator : en
  • US2219808A - Track circuit signaling system for absolute-permissive working : en
  • USD123332S - Design for a walwaper : en
  • CH212119A - Process for the preparation of an azo dye. : de en
  • US2219404A - Method of making battery paste : en
  • USD123352S - Design for a back bar : en
  • CA392135A - Carpenter's trestle : en fr
  • CA392251A - Textile material processing : en fr
  • AU32240A - Method and apparatus for moulding unitary slabs from comminuted materials : en
  • US2219649A - Soldering iron : en
  • CA392168A - Ignition composition : en fr
  • DE698099C - Fuel lighter with gas burner : de en
  • AU1419444A - Improvements relating tothe magnetic suspension ofthe rotor ofan electricity meter, small motor, orthe like : en
  • US2219290A - Lubrication : en
  • US2219355A - Manufacture of shoes : en
  • USD123270S - By holbrooh : en
  • CH211931A - Bath for electrochemical deposition of cuprous oxide and process for its preparation. : en fr
  • DE698060C - Weft thread carrier : de en
  • USD123341S - Design fob a dress : en
  • SU58072A1 - Adaptation to commodity-revolving machines for automatic start and stop of the machine : en ru
  • US2219657A - Variable scoop separable fastener : en
  • US2219735A - Creamer and the like : en
  • USD123347S - Design for a wallpaper : en
  • US2219565A - Composition for coloring flames : en
  • US2219543A - Tmobarbituric acm derivatives : en
  • US2219713A - Gas purification : en
  • US2219470A - Shuttle mechanism : en
  • AU14340A - Improved rubber-containing base for anti-fouling compositions, paints and other materials : en
  • US2219483A - Corn gathering, snapping, and husking roll : en
  • US2219376A - Method of manufacturing coil springs : en
  • US2219928A - Stabilizing means for electric circuits : en
  • CA392207A - Signal transmitter : en fr
  • CH212006A - Two-stroke internal combustion engine with direct current purging and tubular valve control. : de en
  • US2219347A - Apparatus fob electrically register : en
  • US2219388A - Laminated plate construction for clocks : en
  • US2219766A - Drafting equipment : en
  • US2219312A - Method for controlling the properties of drilling fluids : en
  • CA392197A - Homogenizer : en fr
  • PL29277B1 - Zalmen Korn, Krakow. Metal cap for bottles. : en pl
  • SU58078A1 - Method of making shaped tubes : en ru
  • US2219597A - Box for holding cosmetic preparations and tools and the like : en
  • US2219982A - Valve structure : en
  • CH212013A - Flywheel magneto. : de en
  • CH212100A - A plurality of jaws, sleeve-shaped and expandable brake body for internal hub brakes and method for its production. : de en
  • CA392253A - Circuit controlling device : en fr
  • AU111957B2 - An improved filter block, heat insulating brick, wallboard orthe like and process of manufacture thereof : en
  • AU196440A - Improved means for coupling pipes, more particularly irrigation pipes : en
  • SU58153A1 - Device for limiting the current of a synchronous compensator during automatic voltage regulation : en ru
  • DE698125C - Device for washing ore u. like : de en
  • DE698159C - Shovel machine : de en
  • US2219639A - Hydraulic classifier : en
  • US2219767A - Revoking mechanism for weft replenishing looms : en
  • SU58149A1 - Signal light : en ru
  • US2219400A - Hose nozzle support : en
  • US2219815A - Refrigerating and heating system : en
  • GB528559A - Improvements in and relating to blast tubes for use with machine guns on aircraft and for analogous purposes : en
  • USD123338S - Design fob a dress ensemble : en
  • DE698042C - Gas mask : de en
  • DE698072C - Clamp for attaching brush holders : de en
  • AU111943B2 - Fluid distributing device : en
  • CA392237A - Counter mechanism : en fr
  • US2219467A - Apparatus for cutting dried putty from window sashes : en
  • US2219705A - Fuse : en
  • US2219818A - Reel : en
  • US2219907A - Tool holder assembly : en
  • GB528484A - Methods and circuits for use in eliminating interference in radio reception : en
  • US2220000A - Detachable nosepiece for bifocal eyeglasses : en
  • DE698157C - Attachment of insert runs in shot runs : de en
  • DE698128C - Kickback-proof brake crank for trams : de en
  • US2219413A - Culinary hand tool : en
  • US2219756A - End coupling for watch straps and belts : en
  • CA392109A - Ski-binding : en fr
  • CH211921A - Process for the preparation of a compound of the diaryl series. : de en
  • CH212133A - Machine tool. : en fr
  • DE698141C - Twist or push knife : de en
  • AU1404744A - Improvements relating to readily cleanable filters : en
  • USD123261S - Design for a lifting handle : en
  • DE698058C - Device for removing cigarettes from a storage container : de en
  • DE698026C - Infusion bags made of filter paper for tea : de en
  • US2219605A - Device for performing a biopsy : en
  • DE697222C - Process for the manufacture of resinous products : de en
  • BE439318A - : en
  • CH211914A - A method and apparatus for supplying cut tobacco to a machine. : en fr
  • US2220054A - Case for pianos : en
  • CH211970A - Device for the step-by-step registration of related measured values. : de en
  • CH212088A - Streamlined body for rear-engined vehicles. : de en
  • CA392110A - Drill removing device : en fr
  • CH212000A - Piston pump. : de en
  • US2219687A - Selectively operable mechanism : en
  • US2219369A - Condensation products : en
  • US2219802A - Suction nozzle : en
  • US2219433A - Splinterless glass : en
  • US2219922A - Radio transmitting and receiving system : en
  • DE697912C - Process for the production of acidic dyes : de en
  • GB528475A - Improvements in and relating to methods of suppressing the current to earth in high tension distribution systems : en
  • DE685039C - Receiving arrangement for target aircraft : de en
  • DE698062C - Trailers consisting of single chassis running one behind the other for transporting railway wagons : de en
  • GB528476A - Improvements in or relating to apparatus for producing endless extended coil structures from wire or strip : en
  • SU58077A1 - Method to prevent vapor condensation in vacuum pumps : en ru
  • US2219357A - Manufacture of staple fiber materials from continuous filaments : en
  • US2219876A - Railway traffic controlling apparatus : en
  • US2219807A - Flexible pocket receptacle : en
  • US2219946A - Picker stick : en
  • US2219719A - Lubricating means for motors : en
  • US2219527A - Device for opening and closing vehicle and like windows : en
  • US2219637A - Flow retarder : en
  • CH211949A - Method and device for the continuous predetermination of the coordinates of the point of impact when shooting at moving targets, in particular aircraft. : de en
  • DE697990C - Shoe sole : de en
  • SU58185A1 - Lot : en ru
  • US2219879A - Production of alkylamines : en
  • CH212068A - Call signal receiving device in a telecommunications system. : de en
  • CH212136A - Process for the preparation of 3,5-dimethylisoxazole-4-acetic acid diethylamide. : de en
  • CA392126A - Sheet metal flattener : en fr
  • US2219520A - Garment hanger : en
  • US2219912A - Refrigerated display case : en
  • CH211919A - Process for manufacturing sulfur dioxide. : en fr
  • CA392161A - Electric valve circuit : en fr
  • US2219332A - Refractory glass : en
  • US2219661A - Process of preparing insoluble elastic rubberlike composition : en
  • US2219863A - Discharge means for concrete mixers : en
  • US2219952A - Pulsator of bellows type : en
  • US2219962A - Gasket : en
  • US2219841A - Kitchen indicator : en
  • US2219320A - Heat treating process for white cast iron : en
  • CH211903A - Manufacturing process for sewing machine sub-bobbins with a thread supply and bobbin manufactured according to the process. : de en
  • CH212082A - Device for smoothing the casing of raw wrapped rotating bodies. : de en
  • BE439363A - Connection for carbon manifolds : en fr
  • CH212004A - Injection internal combustion engine with spark ignition. : de en
  • CH212125A - Process for the production of a lightfast tanning agent. : de en
  • CH212041A - At least one permanent, transversely magnetized, cylindrical magnet having device. : de en
  • US2219356A - Manufacture of staple fiber products from continuous filaments : en
  • CA392223A - Acid liquor treating method : en fr
  • AU111874B2 - Method and apparatus for moulding unitary slabs from comminuted materials : en
  • CH211877A - Exposed parquet floor. : de en
  • AU111958B2 - Device for aerating and/or agitating or classifying fluids or pulps : en
  • SU58122A1 - Hermetic explosion-proof device for coupling between an electric motor shaft and a shaft of a driving machine or unit located in different rooms : en ru
  • CH211962A - Device on a basic range finder for automatic compensation of the temperature error. : de en
  • GB528583A - Improvements in micrometer measuring devices : en
  • AU111762B2 - Improvements relating tothe terminals of storage batteries : en
  • CA392239A - Electrical condenser : en fr
  • CH212033A - Device for starting and in reciprocal synchronism of at least two asynchronous electric machines. : en fr
  • CH212042A - Arrangement for the amplification of glow-electrically generated electron currents with the help of secondary electrons. : de en
  • US2219953A - Eave trough protector : en
  • USD123300S - Design for a pin clip : en
  • CA392119A - Locomotive drafting system : en fr
  • CH211915A - Filters for cleaning liquids and gases. : de en
  • US2219997A - Pipe tapper : en
  • US2219386A - Winterfront for motor vehicles : en
  • CH211904A - Braiding machine with bobbins guided in a gear plate. : de en
  • AU63040A - Molded article and process of production : en
  • CH212065A - Value stamp apparatus. : de en
  • US2219304A - Colored photographic multilayer material : en
  • US2219577A - Tie puller jack : en
  • US2219773A - Hosiery display form : en
  • US2219963A - Fruit and vegetable cutting apparatus : en
  • PL29289B1 - Chimney cowl. : en pl
  • PL29320B1 - : en pl
  • GB528405A - Improvements in a method of and apparatus for positioning elongated blanks for presentation to a blank working machine : en
  • DE698002C - Split plain bearing : de en
  • US2220004A - Method of setting storage battery plates : en
  • USD123346S - Design for a wallpaper : en
  • GB528468A - Labyrinth packing for the shafts of steam turbines, compressors and the like : en
  • US2219579A - Television apparatus : en
  • USD123349S - Design for a dress : en
  • GB528543A - Improvements in electrical stop motions or signalling means responsive to breakage or tension of threads and the like in warping or other textile machines : en
  • GB528597A - A double-acting two-stroke internal combustion engine : en
  • GB528608A - Improvements in or relating to electric switches and indicating devices therefor : en
  • CH211926A - Process for the preparation of a substantive azo dye. : de en
  • US2219865A - Impact wrench : en
  • GB528399A - Improvements in broken-end catch devices for ring spinning machines : en
  • CA12896S - STATUETTE : en fr
  • US2219739A - Pneumatic hammer : en
  • USD123318S - Design for an ash tray : en
  • GR9321B - EDIBLE FAT METHOD. : el en
  • US2219569A - Germicidal animal collar : en
  • US2219617A - Can attachment : en
  • GB528408A - Improvements in or relating to rotary engines and hydraulic power transmission : en
  • DE696712C - Suction or leaching devices on the filter press : de en
  • SU58250A1 - Installation for determining the coefficient of cutting wood at various processing methods : en ru
  • GB528390A - Needle eye polishing machine : en
  • GB528502A - Improvements in devices for ascertaining the quality of flour and the like dough or paste forming substances : en
  • GB528582A - Improvements relating to pulp molding machines : en
  • US2219989A - Piston : en
  • DE697987C - Device for moving a rowing boat by pulling force in the direction of the face of the rower : de en
  • PL29284B1 - : en pl
  • US2219635A - Device for eliminating gas lock in pumps : en
  • USRE21613E - Luminous electrical discharge device : en
  • GB528364A - Improvements in or relating to horse-drawn or trailer vehicles : en
  • US2219327A - High tension sign insulator and attaching means therefor : en
  • US2219469A - Preservation of latex : en
  • US2219593A - Metallic double hung window : en
  • GB528549A - Improvements in or relating to electric arc furnaces : en
  • GB528451A - Improvements relating to electrical apparatus for the measurement of mechanical pressures or movements or derivatives thereof : en
  • GB528538A - Improvements in and relating to garnish mouldings or the like : en
  • GR9323B - ELECTRIC FILE. : el en
  • US2219774A - Control method and apparatus : en
  • US2219883A - Impact wrench : en
  • US2219381A - Nonabsorptive material : en
  • CA392219A - Glassware forming and finishing machine : en fr
  • GB528540A - Improvements in or relating to the conversion of heavy liquid fuel into combustible gas : en
  • US2219300A - Photographic camera and exposure meter : en
  • US2219729A - Device employed in the conversion of electrical energy into acoustic energy and viceversa : en
  • PL29301B1 - Steyr Daimler-Puch A. G., Steyr. Spring suspension in motor vehicles. : en pl
  • US2219678A - Apparatus for the protection of edges of flat sheets, as paper, linen, or the like : en
  • US2219891A - Exhausting and sealing method and apparatus : en
  • CA392209A - Alloy : en fr
  • SU53534A1 - Transport device with the use of containers that can be rolled when transferred from a railway platform to a trolley or back : en ru
  • CH211967A - Writing lever on the recorder. : de en
  • SU57058A1 - Device for suspending gauge plugs when chrome-plating them to size : en ru
  • US2220048A - Apparatus for drawing wire : en
  • US2219309A - Thermionic device : en
  • US2219326A - Electrical appliance plug connector : en
  • US2219820A - Door opening means : en
  • US2219493A - Apparatus for welding thin silicon steel and the like : en
  • GR9316B - SPECIAL LIGNITE BURNER HOB. : el en
  • DE698015C - Extinguishing chamber switch : de en
  • DK58114C - Device by Cheese Machines. : da en
  • GB528400A - Electro-acoustic devices : en
  • GR9322B - WHEELCHAIR LAMP. : el en
  • USD123310S - Design for a stoker : en
  • DE697852C - Circuit arrangement for coin operated telephones with automatic charging according to time and zone : de en
  • AU111934B2 - Improved process for manufacturing hats : en
  • GB528557A - Improvements in and relating to recording mechanism for weighing or other measuring apparatus : en
  • DE698071C - Control device for three-phase collector motors to drive the spin : de en
  • CA392140A - Panel board manufacture : en fr
  • GB528596A - Improvements in and relating to paper or like bags or sacks : en
  • CA392254A - Draft attachment for railway vehicles : en fr
  • DE698142C - Device for measuring changing form changes on machines : de en
  • US2219958A - Grain drill transmission : en
  • DK58119C - Fire pipes for drop bombs. : da en
  • US2219615A - Electrical discharge apparatus : en
  • US2219909A - Cosmetic holder : en
  • DE697977C - Blind stitch sewing machine with adjustable fabric flexor or diver : de en
  • CH212130A - Process for the production of resinous condensation products from urea and formaldehyde. : de en
  • GB528545A - Improvements in or relating to composite sheets : en
  • GB528401A - Improvements in the manufacture of gasholders or the like hollow containers : en
  • AU111754B2 - Improvements in or relating to cylinder heads for internal combustion engines : en
  • DK58101C - Process for the preparation of cyclic sulfonic acid amide compounds. : da en
  • GB528515A - Improvements in and relating to two-way electrical signal transmission systems : en
  • US2219305A - Photographic multilayer material for color photographic purposes : en
  • US2219942A - Electrical measuring instrument : en
  • US2219282A - Electrical gauge : en
  • DE697982C - Sun visor for photographic lenses : de en
  • US2219552A - Electric motor assembly : en
  • US2220055A - Course indicator for aircraft : en
  • SU58095A1 - Method of preparing acidic electrolyte for tinning : en ru
  • USD123364S - Design fob a hood : en
  • USD123370S - Design for a physiotherapy table : en
  • CH211950A - Method and device for the automatic generation of artillery correction values. : de en
  • GB528490A - Improvements in or relating to vacuum-jacketed flasks : en
  • AU111944B2 - Improvements in or relating togas producers : en
  • CA392229A - Double window : en fr
  • US2219622A - Thickness gauge : en
  • USD123255S - Design for a tire : en
  • GB528524A - Improvements in drills for brickwork and the like : en
  • GB528372A - Process for the manufacture of condensation products from trimethyl hydroquinone andhalides of ª‡,ª‰-unsaturated carboxylic acids : en
  • GB528532A - Improvements in or relating to grease cups : en
  • GB528527A - Improvements in and relating to economical facing point locks : en
  • GB528581A - Improvements in the construction of and in the art of firing muffle kilns : en
  • GR9324B - AUTOMATIC PAYMENT SYSTEM OF AIRCRAFT OF AUTOMOBILES, OF VEHICLES IN MOVING. : el en
  • US2219335A - Fluid dispensing apparatus : en
  • GB528353A - An improved joint for electric cables : en
  • DE698007C - Process for the preparation of readily water-soluble compounds of 8-oxyquinoline : de en
  • US2219461A - Window construction : en
  • US2219610A - Fluid pressure transmission : en
  • GB528510A - Improvements in shaving devices : en
  • GB528434A - Improvements in current collectors for electric vehicles : en
  • GB528501A - Spline shaft : en
  • US2219398A - Segmental pulp wheel : en
  • DE697974C - Device for the illustration of traffic processes : de en
  • US2219769A - Mechanical pencil : en
  • GB528430A - Improvements in or relating to coin testing devices : en
  • CA392203A - Moistureproofing composition : en fr
  • US2219405A - Electromagnetic lens : en
  • USD123269S - Design for a toy barrow : en
  • CA392247A - Aircraft safety device : en fr
  • DE698044C - Method and device for determining the dead space of gas protective masks : de en
  • DE698111C - Device for loading and unloading roller presses : de en
  • DE698138C - Device for refilling pre-filled packs to the exact weight using an automatic beam scale : de en
  • US2219354A - Wall clock : en
  • US2219329A - Method of toasting discrete materials : en
  • US2219845A - Guiding of blanks fixed at both ends in machine tools : en
  • US2219645A - Power steering mechanism for automobiles : en
  • US2219943A - Vehicle bumper : en
  • CA392249A - Wood drilling mechanism : en fr
  • GB528391A - Improvements in or relating to internal combustion engines : en
  • GB528414A - Improvements in priming and controlling syphon systems : en
  • US2219633A - Process for the treatment of sulphide ores : en
  • USD123328S - Design for a billfold : en
  • DE698155C - Fountain pen with an elastic sealing bag and a longitudinally movable handle acting on the bottom of the bag : de en
  • DE698161C - Dough supply and molding device for dough dividing and weighing machines : de en
  • GB528326A - Improvements relating to railway traffic controlling apparatus : en
  • GB528479A - A process for the manufacture of resinous condensation products : en
  • USD123305S - Crowell etal calculator or similar article : en
  • DE698152C - Device for fuel extraction from fuel containers with several draw-off points, especially for aircraft : de en
  • DE698086C - Device for setting controllers for heating systems u. like : de en
  • DE698100C - Locking device for roll-up curtains with drawstring or cord : de en
  • DE698103C - Character printing device for calculating machines : de en
  • US2219988A - Light-sensitive multilayer photographic material and process for making the same : en
  • US2219711A - Cyclone separator : en
  • DE697945C - Method for washing textiles : de en
  • GB528403A - Improvements in or relating to electrical filter circuits : en
  • GB528420A - Improvements in or relating to the heating and air-conditioning of enclosures : en
  • AU73540A - Closures for jars and the like : en
  • PL29278B1 - A method of making molds with dyes for dyeing fabrics and dyeing linen. : en pl
  • CH212035A - Device for regulating a direct current generator. : de en
  • US2219716A - Straight-bar knitting machine : en
  • US2219978A - Egg crate : en
  • US2219582A - Fiber treatment : en
  • US2219561A - Key case : en
  • US2219671A - Clasp brake : en
  • US2219681A - Lubricating apparatus : en
  • US2220021A - Range finder : en
  • USD123354S - Design for a dress : en
  • US2219547A - Air conditioning system : en
  • CA392116A - Rail fastening : en fr
  • CH211948A - Bomba da lancio. : en fr it
  • CA392188A - Speed governor : en fr
  • CH211874A - Reinforced concrete beam for scaffolding. : en it
  • CH211892A - Device for hanging handle devices. : de en
  • DE698035C - Device for comparing the circulation of two bodies : de en
  • USD123258S - Design fob a toe cap fob skates : en
  • US2219663A - Treatment of textile articles : en
  • CA392139A - Fish bait : en fr
  • US2219322A - Fishing reel : en
  • USD123295S - Design for a toy vacuum cleaner : en
  • CA392236A - Light projecting device : en fr
  • US2219301A - Hypodermic unit : en
  • US2219556A - x b belt : en
  • US2219913A - Connector : en
  • PL29334B1 - Hermann Kurt Weihe, Chemnitz. Hydraulic brake, especially for motor vehicles. : en pl
  • US2219436A - Hand scraper : en
  • USRE21611E - Electric sadiron : en
  • US2219349A - Oil burner : en
  • AU92740A - Improvements relating to push bench drawing apparatus for the manufacture of metal tubes : en
  • SU58213A1 - Method for producing methylene blue : en ru
  • US2219438A - Seal : en
  • US2219512A - Device for surveying drilled holes : en
  • US2219546A - Game : en
  • CH211918A - Process for the continuous electrolytic treatment of structures of all kinds. : de en
  • AU12240A - Improvements relating to shirts : en
  • US2219373A - Hosiery drying apparatus : en
  • US2219630A - Article handling apparatus : en
  • US2219291A - Book stack : en
  • US2219691A - Method of producing a wax crystal modifying material : en
  • US2220032A - Electromagnetic apparatus : en
  • DE698003C - Twist drill for tough materials : de en
  • US2219827A - Bottle packing machine : en
  • US2220042A - Unite : en
  • US2219562A - Bottle collar : en
  • US2219570A - Dispensing cabinet for rolled paper strips : en
  • US2219715A - Straight-bar knitting machine : en
  • CH212096A - Bike holder. : de en
  • CH212111A - Hinge. : de en
  • CH212098A - Device for the detachable, articulated fastening of towbars on bicycles. : de en
  • GB528437A - Polycarbamides : en
  • SU58251A1 - Machine for m ti and twist win : en ru
  • US2219553A - Rebinding of books : en
  • CH212025A - High frequency electric cable. : en fr
  • CH212118A - Process for the production of a new dye. : de en
  • CH211939A - SLR camera with see-through viewfinder. : de en
  • US2219564A - Surgical operating device : en
  • CH212094A - Device for mounting the drive unit in motor vehicles with a rear engine. : de en
  • CH212128A - Process for the production of a lightfast tanning agent. : de en
  • CH212019A - Gas turbine plant. : de en
  • DE698008C - Numbering machine for letterpress machines : de en
  • PL29288B1 - : en pl
  • US2219474A - Fishing rod handle : en
  • US2219638A - Checkrow corn planter attachment : en
  • US2219855A - Rolling eye for dolls : en
  • US2220029A - Level : en
  • US2219279A - Machine for welding and forging metals : en
  • AU188540A - Improvements in or relating to pressure-sensitive capsules : en
  • CH211908A - Footwear sole. : de en
  • CA392112A - Frying machine for doughnuts, etc. : en fr
  • US2219507A - Collapsible fireplace unit : en
  • US2219778A - Lifter knife for loom dobbies : en
  • US2219833A - Refrigerator : en
  • US2219910A - Termination or joint for high tension electrical cables : en
  • US2219990A - Angle determining device : en
  • CH212076A - System for carrier-frequency communication on decimeter relay lines. : de en
  • US2219338A - Window lock : en
  • US2219377A - Air handling and dust collecting mechanism : en
  • US2219764A - Brake : en
  • US2219806A - Hollow rib lath : en
  • BE439209A - Filtering process : en fr
  • GB528371A - Process for the resolution of the racemic condensation product from phytyl halides and trimethyl hydroquinone : en
  • CH212079A - Alarm. : en fr
  • CH211898A - Spinning funnel. : en fr
  • GR9320B - NECESSAIRE DE BUREAU NECESSARY SYSTEM. : el en
  • AU183040A - Improvements in or relating to hydraulic jacks : en
  • DE698023C - Method and device for producing fibers from glass : de en
  • PL29317B1 - Hydraulic regulating device for adjusting the timing tools of the fuel pumps of internal combustion engines. : en pl
  • US2219590A - Multiunit tube : en
  • US2219813A - Faucet connector : en
  • CH212081A - Pull set for collars. : de en
  • US2219364A - Parasiticide : en
  • DE698118C - Device for holding towing and anchor cables or the like. : de en
  • GB528393A - Improvements in and relating to cabinets for refrigerators : en
  • AU111963B2 - Improvements in or relating to explosives suitable for coal blasting : en
  • US2219726A - Activated magnesia and method of making : en
  • US2219869A - Impact wrench : en
  • CH212089A - Device for controlling the heat condition of air-cooled vehicle engines. : de en
  • DE697938C - Switching device for the electrical final cover trailers : de en
  • CA392114A - Trailing or drag device for trawl nets : en fr
  • CA392123A - Mechanical soldier toy : en fr
  • US2219455A - Lifting jack : en
  • US2219945A - Milking machine teat cup : en
  • PL29322B1 - Method for the preparation of condensation products from aminopyrimidines and aliphatic aldehydes. : en pl
  • US2219568A - Electrical product : en
  • CA392267A - Tie fastener : en fr
  • US2219371A - Typewriting machine : en
  • USD123260S - Design for a golf club head : en
  • USD123319S - Design fob. a bedside servitor : en
  • GB528449A - Improvements in or relating to reinforced anti-skid tire chains : en
  • US2219721A - Die carrier for die stocks : en
  • US2219752A - Universal tube joint : en
  • USD123327S - Design for a stove : en
  • AU514639A - Improvement in electrostatic condenser and dielectric therefor : en
  • DE697980C - Process for keeping smoked products fresh : de en
  • PL29327B1 - Schweizerische Lokomotiv- und Maschinenfabrik, Wintertlmr. Outlet Rma no 5 'spaYinowycYi. : en pl
  • US2219352A - Process of lining vessels by electric fusion welding : en
  • US2220030A - Record making machine : en
  • US2219888A - Extruding apparatus : en
  • US2219858A - Pyrimtoine compound : en
  • US2219435A - Process and device for treating muds : en
  • PL29324B3 - Edward G. Budd Manufacturing Company, Philadelphia, Pennsylvania. Body for motor vehicles and the method of its production. : en pl
  • US2219299A - Manifolding register : en
  • US2219453A - Screening device : en
  • USD123336S - Design for a wallpaper : en
  • GB528533A - Improvements in or relating to pneumatic lubricating devices : en
  • US2219551A - Hoisting mechanism : en
  • USD123265S - Design for a brooch pin or similar article : en
  • US2219571A - Apparatus for disseminating solids in liquids : en
  • US2219375A - Process of treating textiles and product : en
  • GB528503A - Improvements in or relating to releasable fasteners : en
  • AU491439A - Improvements in travelling grate stokers : en
  • DE698156C - Fitting made of rivet-like light metal bodies for shoe soles and heels : de en
  • DE697971C - Device for determining the lattice constants of materials examined by means of X-ray radiation : de en
  • DE698114C - Scroll wing : de en
  • CH211889A - Plant for the production of wood gas. : de en
  • US2219472A - Fluid flow controlling system : en
  • GB528368A - Improvements in and relating to paper and like bags or envelopes and to the manufacture thereof : en
  • GB528435A - Improvements in or relating to methods of coating fabrics : en
  • GB528460A - An improved method of and means for starting electric discharge lamps : en
  • DE697968C - Stocking, in particular shapely, flat-knitted stocking : de en
  • DE698061C - Method and quilting foot for producing tucks on textile fabrics : de en
  • CH211969A - Arrangement for measuring the frequency response of electrical broadband transmission devices, especially for television purposes. : de en
  • DE697975C - : de en
  • GB528526A - Improvements in and relating to paint and its manufacture : en
  • GB528313A - Improvements relating to inking devices for printing mechanism : en
  • US2219555A - Conduit cleaning mechanism : en
  • US2219629A - Vernier quadrant damper for automatic furnace controls : en
  • US2219934A - Ball rolling game : en
  • DE698038C - Device for improving the tone of string instruments : de en
  • CH212124A - Process for the preparation of an azo dye. : de en
  • DE698094C - Eraser for use on typewriters and office machines : de en
  • DE697949C - Process for the production of hydrocarbon oils from coals, tars, mineral oils, their distillation or extraction products : de en
  • DE697979C - Device for inserting and removing the bobbin case with a transverse eyeglass gripper for zigzag sewing machines u. like : de en
  • DE698089C - Process for the production of interchangeable cladding of metallic vessels : de en
  • GB528322A - Improvements in or relating to piston and connecting rod assemblies : en
  • GB528344A - Improvements in or relating to piezo-electrically controlled electron discharge tube oscillation generators : en
  • US2220015A - Cigar lighter : en
  • GB528522A - Improvements in fuze setting apparatus for artillery projectiles : en
  • PL29293B1 - Device for ventilating the interior of a vehicle with air lines, especially with the engine located at the rear. : en pl
  • DE697933C - for zigzag sewing machines : de en
  • US2219695A - Apparatus for electroplating metals on mirrors : en
  • SU58235A1 - Packing device for needles : en ru
  • US2219428A - Smoker's pipe : en
  • US2219484A - Screw driving machine : en
  • US2219871A - Electric discharge device : en
  • US2219905A - Coasting device : en
  • GB528544A - Method of and apparatus for producing motion pictures with cinematographic film of the etched relief type : en
  • US2219668A - Production of ethyl alcohol : en
  • DE697942C - : de en
  • US2219826A - Heat exchange apparatus : en
  • GB528445A - Improvements in or relating to a tool for upsetting tubular rivets : en
  • GB528360A - Improvements in or relating to collapsible egg cartons : en
  • US2219651A - Massage vibrator : en
  • US2219770A - Bulb supporting and sealing device : en
  • US2219784A - Rolling tool : en
  • US2219800A - Door opening and door checking device : en
  • US2219867A - Impregnation of leather and products thereof : en
  • CH211871A - Device for relating the age of a plow to a tractor. : en fr
  • CH212048A - Electric heating element. : de en
  • DK58108C - Upholstered bed base. : da en
  • CA392151A - Vapour desuperheating method : en fr
  • GB528537A - Improvements in or relating to lubricant-dispensing devices : en
  • GB528602A - Improvements in and relating to cartons : en
  • DE698098C - Process for making glass resistant to metal vapor : de en
  • US2219811A - Rod straightening and handling mechanism for headers : en
  • US2219969A - Holder : en
  • USD123271S - Design for a hair clipper : en
  • US2219931A - Retainer for electrical connectors : en
  • CH212104A - Gas turbine plant with a forward and a reverse turbine. : de en
  • DE698069C - Stretchable electrical cord : de en
  • CH211890A - Electric grill. : de en
  • US2219340A - Vehicle door control : en
  • US2219498A - Pot or pan cover : en
  • US2219688A - Multiglazing : en
  • DE1493081U - : de en
  • DE697804C - Process for the production of nitrosamines : de en
  • GB528599A - Improvements in or relating to hydraulic systems : en
  • GB528611A - A process for refining hydrocarbon mixtures in the vapour phase : en
  • US2219887A - Apparatus for distributing strands : en
  • US2219991A - Clasp : en
  • US2219311A - Toy : en
  • US2219306A - Photographic material : en
  • US2219786A - Hydraulic brake : en
  • US2219708A - Device for measuring lengths on an electromagnetic base : en
  • DE698122C - Fuel injector : de en
  • CA392160A - Electrical distribution system : en fr
  • CH212114A - Device for scalding vegetable or chemical substances or other brewed goods. : de en
  • DE698143C - In the cooling water circuit at test stands for internal combustion engines, especially aircraft engines, expediently arranged at the highest point, provided with a ventilation pipe for the purpose of eliminating steam and air bubbles : de en
  • GB528473A - Improvements in electrical oscillators adapted to generate very high frequencies : en
  • GB528565A - Improvements in hard metal alloys : en
  • GB528347A - Improvements in or relating to apparatus for cleaning and de-greasing tins or the like : en
  • GB528578A - Improvements in or relating to methods of producing steel and to compositions for use in such methods : en
  • GB528359A - Liquid filled tube packing for, and improvements in or relating to packings for stuffing boxes and the like : en
  • GB528429A - Improvements in or relating to repair patches for cycle and the like tyres : en
  • GB528499A - Improvements in wire coiling machine : en
  • PL29297B1 - The method of surfacing fibrous materials with soaps. : en pl
  • US2219760A - Pneumatic thread extractor for looms : en
  • CA392216A - Dry battery : en fr
  • CH212022A - Cut-off and debtor device for a machine packaging a frozen mass in separate pieces, introduced into the machine in the form of a bar. : en fr
  • US2219317A - Ignition system : en
  • CH211993A - Articulated pipe. : de en
  • CH211923A - Process for the preparation of a derivative of 2,6-dioxypyridine. : de en
  • AU111752B2 - Improvements relating to push bench drawing apparatus for the manufacture of metal tubes : en
  • US2219411A - Method of treating tin containing materials : en
  • US2219984A - Variable speed transmission : en
  • CH211901A - Lining material for chemically stiffened laundry and clothing. : de en
  • US2219485A - Cutting apparatus : en
  • USD123278S - Design for a lawn settee : en
  • AU111951B2 - Improvements in or relating to method ofan apparatus for separating undesired particles froma liquid suspension : en
  • PL29316B1 - Koniora, the introductory part of high-performance diesel engines. : en pl
  • CH211909A - Edge trimming machine for rubber shoes. : de en
  • USD123301S - Design for a pin clip : en
  • PL29303B1 - Suspension of motor vehicles, especially those with independently suspended wheels. : en pl
  • US2219409A - Holding strip : en
  • PL29281B1 - Panstwowe Zaklady Tele- i Radjotechniczne in Warsaw *), Warsaw. Permanent cast magnet and the method of its production. : en pl
  • PL29287B1 - MKP FOH b 3 9/06 Aktiebolaget Atlas Diesel, Stockholm. Air-cooled piston compressor. : en pl
  • US2219966A - Button attaching means : en
  • US2219391A - Combustible gas alarm and control : en
  • US2219585A - Dumping vehicle : en
  • CH211984A - Process for improving the mechanical properties of cast iron. : de en
  • USD123282S - Textile fabric or similar article : en
  • USD123303S - Design for a reservoir desk stand : en
  • AU122508B2 - Improvements relating tothe magnetic suspension ofthe rotor ofan electricity meter, small motor, orthe like : en
  • US2219848A - Optical system for dual-beam automobile headlights : en
  • SU58178A1 - Method of imparting watertightness to the walls of hydraulic structures, tunnels, mine workings, etc. : en ru
  • US2219374A - Transplanting tool : en
  • US2219825A - Door hinge and door opening means : en
  • CA392164A - Electric circuit : en fr
  • US2219408A - Automatic valve : en
  • USRE21609E - Antenna : en
  • GB528507A - Improvements in or relating to superchargers for internal-combustion engines : en
  • GB528620A - Improvements in or relating to gas welding : en
  • US2219765A - Hydraulic brake : en
  • USD123356S - Condiment holding dish or similar article : en
  • DE698014C - Receiver whose sensitivity is temporarily changed : de en
  • DE698066C - Device for the flat rolling of initially round drawn wires : de en
  • GB528337A - Improvements in the carbonisation of carbonaceous materials : en
  • GB528455A - Improvements in and relating to the production of artificial filaments, ribbons and the like : en
  • USD123362S - Design for a dress : en
  • DK58111C - Edge screw clamp. : da en
  • US2219847A - Pyridine composition for treatment of blue mold in plants and seed beds : en
  • US2219895A - Luminescent glass : en
  • US2219929A - Luminescent screen : en
  • US2219972A - Pitching shoe : en
  • US2220050A - Method of producing spines on elements : en
  • GB528412A - Improvements relating to drawing boards : en
  • DK58120C - Device for side-folded, flat paper bags for packaging bread. : da en
  • US2219964A - and more particularly directional gyro for : en
  • USD123372S - Design fob a bress : en
  • USD123375S - Design for a dress : en
  • DE698110C - Guide roller for automatic straight guidance of strips : de en
  • US2219508A - Method and apparatus for seismic surveying : en
  • USD123290S - Design for a commercial vacuum cleaner : en
  • DE698043C - Respiratory protection filter : de en
  • US2219281A - Chimney : en
  • US2219296A - Organic solvent soluble cellulosic film plasticized with branched chain methyl butane diols : en
  • DK58118C - Machine for individual Extraction of cup-shaped items from a collapsed stack. : da en
  • CA392238A - Electric discharge device : en fr
  • US2219313A - Compositions for coloring : en
  • US2219873A - Process for the manufacture of araliphatic chloromethyl compounds : en
  • GB528394A - Improvements in and relating to electric fuses : en
  • PL29270B1 - Hainsberger Metallwerke Kom. - Goose. Rudolf Fickler, Hainsberg and Franz Grosse, Lommatzsch. Double ladder fuse. : en pl
  • US2219632A - Mechanical torque indicatoe : en
  • GB528546A - Improvements in or relating to vacuum cleaners : en
  • GB528431A - Improvements in or relating to chairs or the like : en
  • GB528328A - An improved gas supply arrangement for the ignition or firing carriages in sintering plants : en
  • GB528398A - Improvements in or relating to gloves : en
  • US2219452A - Flow director : en
  • US2220046A - Sheet feeding device : en
  • DE698132C - n briefly occurring processes by means of an oscilloscope using a tilting mirror : de en
  • CA392195A - Rubber dispersion : en fr
  • US2219350A - Therapeutic product and process of preparing it : en
  • GB528324A - Improvements relating to the control of reversible electric motors particularly for adjusting television receivers : en
  • DE697943C - Water column machine with reciprocating pistons, especially for driving washing machines : de en
  • GB528327A - Improvements in or relating to the manufacture of di-carboxylic acids : en
  • GB528592A - Improved method of and means for rectification of alternating electric currents : en
  • GB528330A - Improvements in and relating to machines for preparing long-fibred stalks : en
  • GB528553A - Improvements in safety devices for electric lamps adapted to be operated in explosive atmospheres : en
  • GB528609A - Improvements in and relating to electric hot plates : en
  • US2219968A - Process of refining vegetable oils : en
  • CH212052A - Fluoroscopic diagnostic instrument. : de en
  • GB528550A - Improvements in or relating to surgical suturing instruments : en
  • GB528556A - Improvement in wringers and the like : en
  • US2219686A - Automatic jack or safety device : en
  • US2219351A - Signaling device for motor vehicles : en
  • US2219479A - Tongs : en
  • US2219499A - Propeller type fan construction : en
  • CH212115A - Process for the preparation of a pregnen-3-ol-20-one derivative. : de en
  • DE698129C - High voltage cables with increased self-induction : de en
  • DK58100C - Process for the production of anhydrous sodium hyposulphite. : da en
  • GB528392A - Improvements relating to the manufacture of flexible metal tubes : en
  • GB528041A - Improvements in or relating to the production of electromagnetic oscillations : en
  • GB528384A - Rotary machine : en
  • US2219566A - Brake actuator seal : en
  • GB528370A - Bearing member : en
  • DE678866C - Hollow body to be used in the furnace to introduce preheated secondary air into the combustion gases : de en
  • US2219550A - Composition and process for making a flexible product : en
  • SU58195A1 - The method of obtaining electrical energy : en ru
  • US2219497A - Electrostatic type test electrode : en
  • CA392185A - Dynamo electric machine : en fr
  • US2219580A - Variable ratio transmission : en
  • US2219926A - Car unloader : en
  • USD123302S - Combined billfold and coin holder : en
  • CA392153A - Aircraft landing equipment : en fr
  • USD123317S - Design for an automobile license plate ornament : en
  • US2219620A - Machine for developing blueprints or negatives : en
  • DE697961C - Hand switch hanging at the end of a cable : de en
  • GB528589A - Improvements in or relating to typewriters and typewriter ribbons : en
  • US2219822A - Door opening, door checking, and door holding device : en
  • GB528619A - Improvements in trailer mowers : en
  • CA392142A - Reversible cold rolling mill : en fr
  • US2219293A - Aluminum container for hydrogen peroxide : en
  • US2219700A - Film and its manufacture : en
  • CH211900A - Kötzerspulmaschine with automatic bobbin change. : de en
  • US2219475A - Sacroiliac supporter : en
  • CH211976A - Time device exhaust. : en fr
  • US2219611A - Leading-in insulator : en
  • US2219890A - Electric lamp device : en
  • USD123366S - Design for a dress : en
  • AU503339A - Improvements in and relating to machines for manufacturing egg pulp : en
  • CA392129A - Detachable slide fastener : en fr
  • CH211897A - Method for closing and opening a can for items to be sterilized and a set of equipment for carrying out the method. : de en
  • AU111746B2 - Fine screens : en
  • CH212009A - Mechanical speed control device on vehicle engines. : de en
  • US2219319A - Treatment of wells : en
  • AU483639A - Improvements inelastic welts or bands : en
  • CH212132A - Ski with non-slip device. : en fr
  • US2219575A - Catalyst and process for making olefin oxides : en
  • DE698139C - Method and device for the production of mesh : de en
  • GB528579A - Improvements in or relating to the shaping and smoothing of the uppers of lasted shoes : en
  • GB528621A - Improvements in and relating to devices for controlling the flow of liquids : en
  • GB528443A - Improvements in or relating to lubricating systems for spindles and bearings : en
  • DE698029C - Dipping machine for the production of objects from dissolved cellulose derivatives and similar masses : de en
  • USD123257S - Portable electric sander or the like : en
  • CH211971A - Compensation measuring arrangement in which an impedance which regulates a current as a function of the measured variable is influenced by a setting device containing a measuring and compensation system. : de en
  • US2219642A - Window scaffold : en
  • US2219844A - Directional antenna control : en
  • US2219868A - Spool driving mechanism : en
  • US2219916A - Corn sheller : en
  • CH212014A - Electrical system with a magneto-electric machine with at least two magnetic circuits. : de en
  • DE698051C - Edging rosette for the cutouts on protective covers for passenger vehicles : de en
  • CA392172A - Wrinkle eliminator : en fr
  • US2219336A - Means for actuating and locking brake actuators : en
  • US2219880A - Pipe clamp : en
  • CH211880A - Process for making a soundproof floor and floor obtained by this process. : en fr
  • PL29299B1 - The way of waterproofing fibrous materials. : en pl
  • US2219653A - Transmission line : en
  • DE698165C - Index in the form of a folder : de en
  • US2219932A - Combination grain binder and shocker : en
  • US2219367A - Flush tank : en
  • US2219504A - Flow control device : en
  • US2219940A - Lamp : en
  • GB528571A - Improvements in or relating to glazed or like panelled framework such as window-lights, or the like : en
  • CA392174A - Cyanine dye preparation : en fr
  • AU529339A - Improvements in and relating to bath heaters : en
  • PL29283B1 - The method of obtaining flour from seeds and cereals. : en pl
  • AU122512B2 - Improvements in or relating to fuel tanks : en
  • US2219406A - Fluid gauge nozzle : en
  • US2219334A - Beverage dispenser : en
  • CA392149A - Steam generator : en fr
  • US2219506A - Tuning indicator circuit : en
  • US2219659A - Heat exchanger : en
  • US2219717A - Sliding adapter plate for metal working machines : en
  • US2219500A - Fishing reel : en
  • CA392111A - Convertible cooking and serving unit : en fr
  • SU58099A3 - : ru
  • US2219307A - Charging device for charging liquid coking material into coke ovens : en
  • US2219378A - Chart for determining horoscopes : en
  • US2219486A - Container : en
  • USD123345S - Design for a hat : en
  • CA392187A - Inductive interference prevention : en fr
  • US2219840A - Spindle bearing : en
  • US2219893A - Method of and means for damping cable vibration : en
  • CA392252A - Textile material processing : en fr
  • US2219401A - Trailer : en
  • CA392163A - Refrigerating machine : en fr
  • USD123344S - Design for a dress : en
  • CA392233A - Locomotive crank pin bearing : en fr
  • CH211995A - Device for shaking devices such as sieves, screens, feeding tables, etc. : en fr
  • CH212106A - Compensated catapult. : en fr
  • GB528348A - Improved plant for supplying dustfree air to miners working in a dusty atmosphere : en
  • GB528448A - Improvements in and relating to internal combustion engines of the liquid fuel injection type : en
  • GB528560A - Improvements in or relating to centrifugal dust separators : en
  • US2219634A - Sand drier : en
  • USRE21612E - Spring unit : en
  • US2219699A - Double glazed window construction : en
  • CH211978A - Timing instrument. : de en
  • GB528474A - Improvements in combination of high-pressure metal-vapour electric discharge lamps with circuit elements for operating them : en
  • US2219330A - Phthalocyanine sulphonic acid chloride : en
  • US2220018A - Process of producing an article of tortuous shape : en
  • GB528380A - Improvements in and relating to electric converting apparatus : en
  • US2219720A - Grinding, pulverizing, and the like treatment of materials : en
  • PL29335B1 - Ringhoffer - Tatra- Werke A. G., Prague-Smichov. Body for motor vehicles. : en pl
  • US2219316A - Lever type threading die : en
  • GB528442A - Improvements in and connected with the conditioning of wheat : en
  • DE697934C - Device for adjusting the stitch width of zigzag sewing machines : de en
  • DK58105C - Screw wear clamp for electrical wiring systems. : da en
  • CH212027A - Disconnector. : de en
  • CH212075A - Arrangement for the joint tuning of the oscillation circuits of a multi-stage high-frequency transmitter. : de en
  • US2219839A - Method of production of diethylenediamine : en
  • GB528376A - Improvements in and relating to hot-water bottles and like containers made of flexible material : en
  • DE698000C - Oil cooler for air-cooled aircraft engines, especially radial engines : de en
  • AU111759B2 - Improvements in and relating tothe utilization of producer or water gas : en
  • US2219601A - Automotive vehicle control connection : en
  • GB528528A - An improved protector cap or nose cap for use with blast tubes for machine guns in aircraft and for like purposes : en
  • US2219901A - Railway traffic controlling apparatus : en
  • US2219817A - Welding electrode : en
  • SU58094A1 - Control device for vertical wind turbines with rotary blades : en ru
  • GB528436A - Improvements relating to gloves : en
  • PL29332B1 - A method of obtaining sulfur from sulfur dioxide or from gases containing this dioxide. : en pl
  • US2219441A - Apparatus for controlling fluid pressure : en
  • US2219505A - Spreader : en
  • GB528601A - Improvements in or relating to machines for forming a continuous tobacco rod or filler : en
  • DE698137C - Turn-wing windows : de en
  • SU58162A1 - Propeller railing with nozzle : en ru
  • US2219437A - Folding closet bowl : en
  • US2219872A - Television reproducer apparatus : en
  • US2219970A - Cotton press lock : en
  • PL29280B1 - Friedrich Deckel Prazisions ¦ Mechanik und Maschinenbau, Munich. Machine tool for reproducing and engraving. : en pl
  • DE697935C - for zigzag sewing machines : de en
  • DE697952C - Control for a centrally located drive switch for electrically operated vehicles : de en
  • DE698121C - Method for fastening bung-type sockets for metal vessels : de en
  • US2219418A - Shoe press : en
  • US2219816A - Motor : en
  • US2220024A - Manufacture of staple fiber yarns : en
  • AU111749B2 - Improvements in and relating to bath heaters : en
  • AU464539A - Device for aerating and/or agitating or classifying fluids or pulps : en
  • CH211997A - Lifting platform. : de en
  • GB528594A - Improvements in frames for collapsible structures, such as marquees, hangars, and the like : en
  • DE698093C - Multiplier on typewriters : de en
  • SU58227A1 - Device for conducting perspective parallel lines : en ru
  • US2219924A - Electric valve circuit : en
  • CA392255A - Draft rigging : en fr
  • SU58089A1 - The method of manufacturing plastics : en ru
  • AU162340A - Improvements in or relating to high frequency electron discharge apparatus : en
  • CA392173A - Unsymmetrical carbocyanine dye : en fr
  • DE697870C - Arrangement of photographic cameras with built-in exposure meters : de en
  • DE697936C - Rangefinder connected to a photographic camera : de en
  • CA392146A - Waste liquor burning apparatus : en fr
  • CA392225A - Gas well pumping method : en fr
  • US2219416A - Compound for treating water in boilers : en
  • US2219805A - Means for fabricating lath : en
  • US2219810A - Vacuum cleaner : en
  • USD123367S - Design fob a dress : en
  • US2219310A - Self-regulating automatic traffic control system : en
  • DE679684C - Extendable shoulder rest of a machine gun : de en
  • PL29294B1 - The method of preparing the material for the production of permanent magnets, : en pl
  • US2219477A - Leveling scraper : en
  • DE698091C - Process for the preparation of polyene polycarboxylic acids : de en
  • GB528320A - Improvements in and relating to the manufacture of sintered bodies from metal and other powders : en
  • GB528612A - Improvement in wall and ceiling construction : en
  • GB528386A - Improvements in and relating to tension devices for use in winding textile threads : en
  • SU58191A1 - Hard alloying device for welding hard metal cutting edges of tools : en ru
  • USD123359S - Design for a dress : en
  • DE697996C - Tilt generator for controlling the cathode ray in cathode ray tubes : de en
  • CH212020A - Automatic regulator, especially speed regulator. : de en
  • US2219481A - Calf-delivery apparatus : en
  • US2219763A - Proportioner : en
  • CH211979A - Process for the production of bearing metals and bearing metal obtained by this process. : de en
  • CH212057A - Process for obtaining particularly highly effective preparations of thyrotropic hormone of the pituitary gland. : de en
  • US2219509A - Driving mechanism for screw drivers and drills : en
  • US2219560A - Carton : en
  • US2220012A - Method of obtaining naphthenic acids : en
  • AU534739A - Shipping container : en
  • CH211875A - Device intended to cooperate with a glazing support bar. : en fr
  • US2220022A - Conversion of continuous filaments : en
  • CH212123A - Process for the preparation of an azo dye. : de en
  • DE698107C - Sewing machine with fabric support arm : de en
  • GB528309A - Improvements in and relating to brakes for controlling rotary motion : en
  • CA392210A - Self centring servo motor : en fr
  • CH211961A - System for the delivery of differently modulated high-frequency energy supplied from a common source to at least two useful loads. : de en
  • CA392127A - Vehicle spring suspension : en fr
  • PL29290B1 - A method of strapping the coils of the springs of a spring cartridge from the narrow frame of the cartridge and an apparatus for carrying out the method. : en pl
  • SU58169A1 - Trawl for catching crabs : en ru
  • CH212109A - Device for operating the knife of a motor mower. : en fr
  • CA392141A - Hot coiling method : en fr
  • BE439378A - : en
  • US2219425A - Grinding machinery : en
  • CA392137A - Felt conditioner for paper-making machines : en fr
  • CA392201A - Railway car : en fr
  • CH211888A - Device on firing systems for the supply of additional air. : de en
  • CH212010A - Fuel injection device for internal combustion engines and method for manufacturing the device. : de en
  • CH212107A - Device for releasably securing a one-piece hood, which envelops the hub of a propeller, on the propeller hub. : de en
  • US2219889A - Hamburger patty-forming device : en
  • US2220043A - Heating device : en
  • DE698160C - s of the torque : de en
  • GB528555A - Improvements in and relating to course-indicating apparatus for vehicles : en
  • CA392162A - Fluid cooling system : en fr
  • CH212007A - Method for limiting the maximum speed of injection internal combustion engines. : de en
  • CH211910A - Tin vessel. : de en
  • CH211933A - Platen press for processing sheet cardboard. : en fr
  • DE689938C - ln : de en
  • US2219660A - Production of calcium hypochlorite products : en
  • CH212083A - Pack for flat bodies made from paste-like or granulated meat broth, fruit jelly, etc. : de en
  • AU113640A - Improvements in or relating to oscillatory circuits for short electromagnetic waves : en
  • US2219459A - Power plant : en
  • PL29325B1 - Method for the production of resinous condensation products. : en pl
  • AU111941B2 - Improved means for coupling pipes, more particularly irrigation pipes : en
  • DE698077C - Thermostat for the automatic regulation of the coals of arc lamps, especially of high power lamps for headlights : de en
  • DE698104C - Device for vaporizing liquid fuels for the operation of internal combustion engines : de en
  • DK58116C - Procedure for Making Enamel. : da en
  • AU504539A - Improvements in or relating togas producers : en
  • DE679574C - Push-pull tube arrangement for amplification and / or frequency multiplication of very short waves : de en
  • AU1635444A - Improved outlet for ventilator systems : en
  • CH211956A - Percussion rocket. : en fr
  • DE697893C - Device for pushing back approaching wagons, especially at a hairpin for conveyor wagons : de en
  • DE698075C - Counting range device in which comparison pulse trains are preferably generated with the aid of photoelectric devices : de en
  • AU470939A - Improved safety chaff cutter : en
  • DE698011C - Muffle for hardening steel : de en
  • SU52397A1 - Device to remove the font from the cast lines in the matrix-type and row-casting machines : en ru
  • DK58102C - Process for the Preparation of Aminobenzolsulfonic Acid Amide Compounds. : da en
  • DE697969C - Centrifugal casting mold : de en
  • GB528595A - Improvements in fluid-sealing devices for shafts : en
  • GB528603A - Improvements in and relating to the manufacture of electric lamps : en
  • US2219460A - Means for making slack sttching : en
  • DE697963C - Procedure for removing lamellar insulation from collectors : de en
  • DE698012C - Rail fastening on steel sleepers, especially for excavator tracks : de en
  • CH212040A - Electric filter. : de en
  • GB528457A - Improvements in or relating to telephone systems : en
  • GB528389A - Improvements in or relating to a packet for the treatment of corns, calli, warts and similar growths : en
  • US2220057A - Urinal seam cover fastening device : en
  • GB528363A - Improvements in and relating to ground reflectors : en
  • GB528519A - Improvements in and relating to devices for controlling the flow of liquids : en
  • DE698144C - Multiple device for soil cultivation : de en
  • PL29272B1 - The method of securing wood against fire and rot. : en pl
  • DE697967C - Arc lamp with rotatable carbon electrodes and one : de en
  • DE697986C - Heating device for loads to be dropped by aircraft : de en
  • DE698078C - Electric vehicle headlight with two mirror parts having a common focal point : de en
  • DE698005C - Cooling device for polarizing filters attached to headlights : de en
  • AU504839A - An improved steam boiler : en
  • US2220052A - Tip for electric weft detectors : en
  • GB528379A - Improvements in or relating to shops, bazaars and the like : en
  • GB528346A - Improvements in machines for capping electric lamps and the like : en
  • US2219664A - Rolling mill unit : en
  • PL29333B1 - Mefina S. A., Binningen. An additional fuse for fuses, activated during the projectile's flight by a clock mechanism. : en pl
  • US2219777A - Process of making parched corn : en
  • DE697887C - Process for desizing : de en
  • DE697940C - Discharge device for circulating drying drums or the like. : de en
  • DE698158C - Equipment on garbage trucks for removal and rendering harmless by disinfecting the dusty air that occurs when shoveling garbage and has been freed from the coarse dust particles : de en
  • SU58186A1 - Scissors : en ru
  • DE698054C - Control device for electrically controlled ship rudders : de en
  • GB528461A - Improvements in or relating to motor vehicle bonnets : en
  • DE697928C - Hose coupling : de en
  • US2219866A - Locking system : en
  • US2219959A - Humidifying device : en
  • US2220033A - Interpolymer of acrylic nitrile, methyl methacrylate, and methacrylic amide : en
  • USD123355S - Design for a dress : en
  • US2219513A - Crystallization of dextrose hydrate : en
  • US2219803A - Frequency analyzer : en
  • US2219842A - Steam boiler : en
  • US2220011A - Center support for detector bars : en
  • US2219834A - Display support : en
  • GB528577A - Improvements relating to high pressure metal vapour lamps : en
  • US2219495A - Condenser mounting : en
  • GB528616A - Improvements relating to hydraulic transmission gear : en
  • USD123343S - Design for a wallpaper : en
  • US2219846A - Tap connector : en
  • SU58154A1 - Device to protect high voltage transmission lines : en ru
  • USD123337S - Design for a wallpaper : en
  • US2219344A - Mounting means for doors : en
  • US2219286A - Railway car : en
  • US2219670A - Golf club : en
  • US2219821A - Door opening device : en
  • US2219955A - Trailer hitch : en
  • US2220034A - Dyes in cyanidation : en
  • AU111764B2 - Closures for jars and the like : en
  • US2219734A - Driving mechanism for rotary printing presses : en
  • US2219743A - Insect destroyer : en
  • CA392213A - Insulating material : en fr
  • US2219938A - Covered slide buckle : en
  • CA392125A - Air conditioning and illuminating system for railway cars : en fr
  • US2219489A - Sole grading machine : en
  • US2219680A - Washing machine : en
  • CH212054A - Process for the production of trans-estradiol. : de en
  • CH212131A - Pencil sharpener. : de en
  • US2219790A - Full-fashioned hosiery : en
  • DE698052C - Racing cars, especially record cars : de en
  • CH212053A - Electrical apparatus working with ultra-short waves for medical purposes. : de en
  • CA392124A - Hen's nest : en fr
  • CH211999A - Device designed as a pump, compressor, motor or flow meter for liquid or gaseous operating media. : de en
  • CH212046A - Arrangement with cathode ray tube. : de en
  • SU58108A1 - Cataract, mainly for the summer house measuring device : en ru
  • US2219596A - Pencil holder : en
  • US2220020A - Treatment of hydrocarbon oil : en
  • AU216539A - An improved filter block, heat insulating brick, wallboard orthe like and process of manufacture thereof : en
  • CH211884A - Catalytic heating device. : en fr
  • CH212005A - Internal combustion radial engine. : de en
  • AU122517B2 - Improvements relating to readily cleanable filters : en
  • AU482839A - Fine screens : en
  • CH212051A - Gas-filled electric incandescent lamp with a double-helical incandescent body. : de en
  • US2219365A - Electrical resistance device and method of manufacture thereof : en
  • DE698120C - Gas pressure regulator : de en
  • US2219572A - Method of and apparatus for facilitating inspection of glass articles : en
  • US2219737A - Calculating machine : en
  • US2219397A - Electric control system : en
  • US2219718A - Mailbox and signal therefor : en
  • GB528402A - Improvements in or relating to bearings for the printing rollers of material printing machines : en
  • GB528516A - Insecticidal compositions : en
  • PL29318B3 - : en pl
  • US2219284A - Mechanism for fabricating toy structural material : en
  • AU135640A - Refuse handling truck body : en
  • AU471339A - Improvements relating tothe terminals of storage batteries : en
  • US2219337A - Switching device : en
  • US2219621A - Thickness gauge : en
  • US2219685A - Mule spinning device : en
  • CH211937A - Visa tab for hanging file registers and files. : de en
  • DE698055C - Ship propeller : de en
  • GB528361A - Improved method of and means for permanent waving of hair : en
  • DE698106C - Double machine : de en
  • GB528548A - Improvements in or relating to holders for electron discharge devices : en
  • AU111955B2 - Improved rubber-containing base for anti-fouling compositions, paints and other materials : en
  • PL29269B1 - Anton Loibl, Munich. Reflective device for bicycle. Patent dependent on patent No. 26581. : en pl
  • SU58214A1 - The method of processing tungsten electrodes for electrochemical production : en ru
  • US2219325A - Method of cementing wells : en
  • GB528450A - Improvements in the colouration of textile and other materials : en
  • PL29300B1 - Robert Turk, Gars am Kamp. Flexible forks for two-wheeled vehicles. : en pl
  • US2219567A - Vacuum cleaner : en
  • AU111931B2 - Photoelectric control system for automatic paper feeding machines : en
  • US2219288A - Rotative wing aircraft : en
  • US2219614A - Electrical discharge apparatus : en
  • US2219906A - Lamp : en
  • PL29302B1 - : en pl
  • US2219667A - Photographic copying : en
  • US2219392A - Fabric fastener : en
  • US2219992A - Reglet and counterflashing securing member : en
  • CA392224A - Soil gas sampling device : en fr
  • US2219628A - Device for supporting coke-oven doors while the doors are being cleaned, adjusted, or repaired : en
  • CH212017A - Device attached to a machine part and responding to changes in state. : de en
  • CH211943A - Sticky wax. : de en
  • US2219862A - Polymerization of drying oils : en
  • US2219954A - Apparatus for distributing granular material and method of distribution : en
  • US2219403A - Insecticide package : en
  • USD123351S - Design for a doily or similar article : en
  • CH212061A - Process for the preparation of a derivative of nicotinic acid. : de en
  • CH211883A - Air heating oven. : de en
  • DE698025C - like : de en
  • DE697970C - Method and apparatus for manufacturing wired glass : de en
  • US2219835A - Miniature bowling game : en
  • CA392199A - Homegenizing device : en fr
  • CA392227A - Refrigerator car : en fr
  • CH212049A - Lighting device. : en fr
  • US2219838A - Apparatus for maintaining a desired speed relation between two shafts : en
  • CA392208A - Alloy : en fr
  • CA392266A - Air or gas filter : en fr
  • CH211951A - Auxiliary equipment, especially for artillerymen. : de en
  • CH212105A - Helicopter with rotors meshing in pairs. : de en
  • DE698068C - Arrangement for the implementation of the procedure : de en
  • CH211946A - Throwing bomb with automatic disarming device. : en it
  • DE697926C - Method and device for pressing machine parts together : de en
  • GB528351A - Improvements in nap or pile raising machines : en
  • CH211964A - Method for compensating direction errors when receiving or transmitting directed radiation. : de en
  • CH212044A - Device for generating a beam of slow neutrons. : de en
  • DE698101C - Device for recording tones : de en
  • CH212038A - Electric discharge tube. : de en
  • CH212108A - Advanced instrument for working the soil. : en fr
  • CH212091A - Resilient support member for motor vehicles. : de en
  • US2219318A - Motor construction : en
  • US2220053A - Rotary toothbrush : en
  • US2219951A - Casting method : en
  • CH211991A - Ashtray. : de en
  • US2219516A - Air cooling system for internal combustion engines : en
  • CH212028A - Remote setting device for a speed adjustment device. : de en
  • CH212064A - Disinfection device for disinfecting rooms by evaporating chemicals. : de en
  • CA392180A - Motor control system : en fr
  • CH211981A - Milling-planer machine tool. : en fr
  • US2219490A - Dressing of fibrous materials : en
  • CH211945A - Automatic machine for loading shell bodies. : en fr
  • US2219341A - Shoe sole fitting machine : en
  • AU122503B2 - Improved outlet for ventilator systems : en
  • CH212012A - Built-in part of a metal body exposed to heat. : de en
  • DE698017C - Process for sheathing the prismatic stator core of electric motors : de en
  • DE698024C - Permanent wave device for flat wrapping : de en
  • DE698130C - Heat timer : de en
  • GR9325B - MANUFACTURE OF A PRODUCT REPLACING COFFEE FROM THE SEEDS OF THE VARIOUS VARIETIES OF THE CHESTNUT TREES. : el en
  • AU111870B2 - Improvements in mortise and rim locks for doors or the like : en
  • SU58182A1 - The method of obtaining green vat dyes : en ru
  • US2219396A - Electric translating system : en
  • US2219941A - High frequency arrangement : en
  • US2219589A - Automatic electric time switch : en
  • DE697927C - Flexible line : de en
  • CA392120A - Trailer-binder hitch : en fr
  • CA392193A - Sprocket : en fr
  • AU111761B2 - Improved safety chaff cutter : en
  • DE697997C - Air duct behind an axial fan with diffuser : de en
  • CH211873A - Lattice structure for building constructions. : en it
  • CH212121A - Process for the preparation of an azo dye. : de en
  • US2219523A - Electric resistance heating element and method of making the same : en
  • AU111961B2 - Improvements in apparatus for cutting butter into predetermined shapes : en
  • US2219526A - Gusset type envelope or file : en
  • USD123374S - Design for a dkess : en
  • USD123267S - Design for a game board : en
  • CA392113A - Oil recovery : en fr
  • CA392166A - Wallboard manufacture : en fr
  • CA392243A - Bottle closure : en fr
  • CH212129A - Process for the production of a synthetic tanning agent. : de en
  • US2219755A - Manufacture of applicators : en
  • US2219372A - Automatic electric switch mechanism : en
  • US2219677A - Liquid flow indicator : en
  • US2219360A - Truck bolster stabilizing means : en
  • US2219517A - Heating apparatus : en
  • US2220007A - Dynamometer : en
  • CA392206A - Mechanical pencil : en fr
  • US2219431A - Muffler tail pipe bending apparatus : en
  • US2219478A - Carrying scraper : en
  • US2219549A - Thiobarbitraic acid derivatives : en
  • US2219935A - Mercury boiler : en
  • SU58233A1 - Adaptation to sewing machines to get a spiral stitch, for example, when sewing polishing wheels from fabric : en ru
  • US2219387A - Oil trap for motors : en
  • US2219944A - Threading and cutting machine : en
  • US2219979A - Coating machine : en
  • US2219899A - Binder for making luminescent screens : en
  • CH212036A - Sluggish fuse. : de en
  • US2219536A - Distillation and conversion of hydrocarbon oils : en
  • US2219908A - Perforator : en
  • CH211959A - Height-adjustable floor in level coverings. : de en
  • CH212015A - Air cooling device on combustion engines. : de en
  • CH212045A - Discharge vessel with external anode. : de en
  • AU512739A - Improvements in or relating to explosives suitable for coal blasting : en
  • BE439280A - : en fr
  • SU58170A1 - The method of obtaining zinc by electrolytic : en ru
  • US2219451A - Locking device : en
  • US2219714A - Panel assembly unit : en
  • US2219422A - Dispensing device : en
  • CH212101A - Inner hub brake, in particular for bicycles and similar vehicles, with an expandable carrier and a brake lining. : de en
  • PL29273B3 - : en pl
  • US2219450A - Strip shingle : en
  • US2219679A - Ironing apparatus : en
  • US2219843A - Valve for the control of hydraulic presses : en
  • US2219860A - Heating apparatus : en
  • CH211985A - Universal grinding machine with swiveling grinding spindle. : de en
  • CH212058A - Light stabilizers. : de en
  • CA392212A - Insulating material : en fr
  • DE692961C - for brakes with high gear ratios : de en
  • DE698036C - Manure spreader : de en
  • GB528349A - Improvements in containers of cardboard and the like material : en
  • GB528350A - Arrangement for controlling gaseous charge internal combustion engines : en
  • US2219420A - Beet topper : en
  • AU496139A - Improvements in or relating to method ofan apparatus for separating undesired particles froma liquid suspension : en
  • US2219414A - Starting burner : en
  • US2220016A - Process for refining lubricating oil stocks : en
  • CH211924A - Process for the preparation of o, o'-dioxydiphenyl from diphenylene oxide. : de en
  • CA392138A - Electric circuit detector : en fr
  • US2219977A - Process for producing coatings on zinc and galvanized articles : en
  • GB528411A - Improvements in or relating to fluid pressure operated devices : en
  • CA392190A - Manometer switch : en fr
  • US2219798A - Piston stabilizer : en
  • USD123320S - Design for a dress : en
  • US2219937A - Propeller blower apparatus : en
  • CH212086A - Glazing to improve visibility in vehicles. : en fr
  • CH212023A - Cooling device with movable cooling unit for processing liquid refrigerated goods, in particular dairy products. : de en
  • US2219389A - Manifolding and sheet aligning apparatus : en
  • US2219528A - Apparatus for mounting basketball backboards : en
  • AU283339A - Amounting for machines which vibrate : en
  • CH212034A - Arrangement for stepwise switching on of capacitors. : de en
  • US2219747A - Hot and cold air register : en
  • DE698056C - Whisker : de en
  • CH211895A - Warming cabinet for cookers. : de en
  • CH212103A - Working cylinder for hydraulic fluid brakes. : de en
  • US2220017A - Fishing reel : en
  • CH212090A - Lid on streamlined vehicles to close off the front area. : de en
  • US2219535A - Pessary : en
  • US2219837A - Air conditioned building : en
  • USD123322S - Design for a combined cabinet and table : en
  • GB528552A - Improvements in luminescent materials and in electric discharge lamps comprising them : en
  • US2219432A - Method of bleaching cellulose : en
  • US2219604A - Dispensing device : en
  • US2219886A - Fishing tackle : en
  • GB528416A - Improvements in or relating to frames for cycles and motorcycles : en
  • GB528396A - Improvements in or relating to the fixing of tubes in the walls of receptacles : en
  • GB528487A - Inner sole having resilient insert : en
  • GB528426A - Buckle for fastening together the ends of shoe laces : en
  • CH212029A - Automatic charging device in systems with electric accumulator batteries and with a constant consumption voltage. : de en
  • CA392152A - Tractor : en fr
  • US2219795A - Mass centering machine : en
  • SU58245A1 - Adaptation for gravitational descent lumber : en ru
  • AU111766B2 - Improvements in or relating to oscillatory circuits for short electromagnetic waves : en
  • SU58219A1 - Centerless grinding machine for tapered rollers : en ru
  • US2219427A - Apparatus for ore treatment : en
  • SU58075A1 - Way to silver : en ru
  • US2219613A - Cathode disintegration apparatus : en
  • SU58129A1 - The method of processing protein plastics : en ru
  • SU58221A1 - Tool for strengthening and feeding the chain saw when it is refined on the machine : en ru
  • US2219370A - Indicator support : en
  • US2219379A - Catalytic process and catalyst therefor : en
  • CH212055A - Process for the preparation of durable preparations of vitamin E. : de en
  • US2219652A - Process of refining fatty acids : en
  • US2220001A - Ice-making apparatus : en
  • US2220025A - Fiber cleaning apparatus : en
  • CA392171A - Anode for electrolytic cells : en fr
  • DE698108C - Process for the production of granulated tea grits or tea dust : de en
  • GB528494A - Improvements in and relating to insulators for overhead electric cables or wires such as used for supplying electric current to trolley buses and like vehicles : en
  • CA392186A - Current transformer : en fr
  • CH212077A - Circuit for phase-correct correction of distortion caused by at least one time constant. : de en
  • DE698048C - Aircraft strut with a target deformation point that is effective in the event of high axial overload : de en
  • SU58159A1 - Valve : en ru
  • CH211944A - Apparatus for fairground games. : en fr
  • CA392222A - Textile fabric : en fr
  • USD123316S - Design for a cabinet fob phono- graphs or the like : en
  • USD123331S - Design for a dress : en
  • DE698045C - Test device to determine whether gas masks are breathing : de en
  • DK58117C - Optical Apparatus for Cinematography and Television. : da en
  • US2219607A - Knitting machine and method : en
  • US2219430A - Tempering apparatus : en
  • DE697973C - Optical system : de en
  • DE698080C - Ignition and operating device for electric light tubes : de en
  • DE697958C - Roof stand for overhead line connections : de en
  • DE698065C - Dimming device for the lockable radiation opening of eye protectors on lampshades : de en
  • PL29319B1 - Method for producing o- and p-aminoarylsulfones. : en pl
  • USD123299S - Design for a shoe : en
  • GB528465A - A method of imitating vegetation for camouflaging purposes : en
  • GB528610A - A process for refining hydrocarbon mixtures in the vapour phase : en
  • US2219647A - Vehicle : en
  • AU111769B2 - Improvements in or relating to directional antenna arrangements : en
  • CA392205A - Razor and blade : en fr
  • GB528521A - Reaction units for urine albumin test : en
  • GB528584A - Improvements in or relating to internal combustion engines of the liquid fuel injection type : en
  • GB528613A - Improvement in pressure-responsive indicating instruments : en
  • DE688992C - Steel cylinder with pressure regulator for pressurized liquefied gases : de en
  • GB528407A - Improvements in or relating to heated or heat-retaining suits or garments with face masks for diving : en
  • GB528531A - Improvements in or relating to lubricating apparatus : en
  • US2219698A - Method and apparatus for severing glass sheets : en
  • US2219602A - Shearing tool : en
  • US2220038A - Ornament : en
  • US2219606A - Firebrick and method of making same : en
  • US2219384A - Apparatus for manufacture of mineral wool : en
  • US2219759A - Pneumatic thread extractor for looms : en
  • GB528329A - Improvements in or relating to illuminated signs : en
  • AU111937B2 - Improvements in or relating to high frequency electron discharge apparatus : en
  • CA392262A - Dyeing process : en fr
  • CH212135A - AC switching device for converters. : de en
  • DE697941C - Method of making and lowering caissons and cesspools : de en
  • GB528409A - Improvements in or relating to screened sparking plugs : en
  • CA392204A - Safety razor : en fr
  • CA392133A - Twist drill or metal cutting tool : en fr
  • US2219644A - Process of nitrating cellulose : en
  • US2219947A - Welting : en
  • USD123285S - Textile fabric or similar article : en
  • DE698112C - Brush roller dampening unit : de en
  • US2219780A - Alloy steel : en
  • GB528466A - Improvements in or relating to suspension bridges : en
  • US2219289A - Joint for nonmetallic pipes : en
  • US2219599A - Method of joining intersecting tubular members : en
  • US2219921A - Condenser : en
  • DE697992C - Movable feeding device for belt conveyors, especially steel belt conveyors : de en
  • US2219524A - Hinge structure : en
  • US2219981A - Minnow trap : en
  • CH211882A - Device for performing work under water. : de en
  • USD123292S - Design for a carpet sweeper : en
  • USD123373S - Design fob a dress : en
  • DE698134C - Room temperature controller for heating systems in vehicles : de en
  • DE697984C - Fuse for fuselage and wing on aircraft connecting pins : de en
  • SU58079A1 - Soot Flue Filter : en ru
  • US2219627A - Noise-making device : en
  • US2219761A - Valve : en
  • GB528511A - Improvements in and relating to the drying of tobacco : en
  • US2219545A - Strain relief : en
  • US2219636A - Automatic actuating mechanism : en
  • US2220037A - Double-acting drop hammer : en
  • US2219648A - Oscillation generation circuit : en
  • US2219368A - Diastatic saccharification process : en
  • US2219559A - Apparatus for orienting models in the construction of dentures : en
  • US2219494A - Mower : en
  • CH212122A - Process for the preparation of an azo dye. : de en
  • SU58253A1 - Method for determining the structure of crystalline bodies : en ru
  • US2220010A - Spindle : en
  • US2219693A - Water cooled furnace door : en
  • US2219454A - Cosmetic holder : en
  • DE697805C - Process for the production of nitrogen-substituted coils of ª ‰ - (p-oxyphenyl) -isopropylamine : de en
  • US2219586A - Press box locking mechanism : en
  • US2219733A - Knitting machine yarn carrier bar control : en
  • DE697966C - Device for the triggering of measuring, switching, control or regulation processes depending on the : de en
  • USD123288S - Textile fabric or similar article : en
  • DE698109C - Process for making a durable feed for young cattle : de en
  • CH212116A - Process for the production of a chrysene derivative. : de en
  • CH212024A - Procedure for the mixed frequency-power control in power networks. : de en
  • CH212097A - Tube protectors for women's bicycles. : de en
  • DE697931C - Valve in which the means for shutting off the steam flow and for removing the condensation water are combined in one housing : de en
  • CH212069A - Device for generating two tone frequencies alternating after a third frequency. : de en