• CA409655A - Frozen material : en fr
  • US2306948A - Knitting machine : en
  • US2306764A - Work supporting bracket : en
  • US2306490A - Valve : en
  • PL31213B1 - A method of producing asbestos-cement pipes and a device for producing pipes in this way : en pl
  • CA409624A - Inductor generator : en fr
  • CH225015A - Machine for grinding straight and helical tooth flanks according to the rolling process taking place by means of roller bodies and roller belts, the outer surface of the roller body BEzw. is circular. : de en
  • US2306460A - Molding retaining clip : en
  • US2306828A - Well flowing device : en
  • US2306947A - Clip pin : en
  • US2306669A - Vulcanization of rubber : en
  • CA409625A - Iron-core transformer : en fr
  • US2306628A - Discharge lamp with partition : en
  • US2306885A - Photographic apparatus : en
  • PL31186B1 - flskania - Werke flktiengesellschaft, Berlin Catcher, especially for advancing film in cinematographic photo and display cameras : en pl
  • US2306680A - Load suspension mechanism : en
  • US2306594A - Hose coupling : en
  • US2306929A - Fracture frame : en
  • USD134678S - Design for a bird feeder : en
  • PL31189B1 - : en pl
  • US2306445A - High velocity sewer flusher : en
  • US2306512A - Miter box for power saws : en
  • US2306469A - Air gauge : en
  • AU116456B2 - Means for overcoming disadvantage of break of gauge on railways : en
  • CH224910A - Synthetic building block, especially for silo structures. : de en
  • CA409560A - Tire tool : en fr
  • CA409636A - Feed drive motor control : en fr
  • CA409642A - Hinge for upward acting doors : en fr
  • BE448084A - : en
  • CH225052A - Arrangement for the operation of converters in which a circuit break occurs mechanically. : de en
  • PL31167B1 - Daimler-Benz Aktiengesellschaft, Stuttgari -— Unterturkheim Susceptible suspension of wheels or axle assembly on frame or vehicle body : en pl
  • US2306443A - Pilot ring for oil burners : en
  • US2306717A - Fermented malt beverage : en
  • US2306687A - Means for improving reception during selective fading : en
  • CH225082A - Set of stands for displaying watches. : en fr
  • US2306863A - Method of duplicating : en
  • CA409630A - Disconnecting contact : en fr
  • US2306554A - Engine : en
  • US2306614A - Correction, comment, and finish marking system for dictation machines : en
  • GB550193A - Improvements in and relating to multiplex frequency-modulation systems : en
  • US2306787A - Apparatus for attaching heels to shoes : en
  • US2306857A - Grinding disk fob disk mills : en
  • US2306468A - Corncrib or the like : en
  • US2306762A - Drill grinding gauge : en
  • CH224967A - Card index. : de en
  • US2306395A - Truck : en
  • US2306792A - Method of treating annealed strip steel : en
  • CA409601A - Remote inventory control system : en fr
  • PL31239B1 - : en pl
  • CA409690A - Rotary pump vane : en fr
  • PL31178B3 - Georg von Giesche's Erben, Wroclaw Magnesium alloy : en pl
  • US2306439A - Process of producing condensation products : en
  • US2306505A - Brake control means : en
  • US2306793A - Regulating device : en
  • US2306895A - Heat exchange apparatus : en
  • CH225040A - Transformer with regulating device, for consumers with variable voltage requirements. : de en
  • GB550302A - Improvements in or relating to electric pens : en
  • US2306927A - Voltaic cell : en
  • BE447925A - : en
  • US2306448A - Sheet making apparatus : en
  • GB550188A - A device for the intimate mixing of liquid fuel and air in the induction passage of internal combustion engines : en
  • CA409672A - Radiogoniometer coil : en fr
  • GB550211A - Improvements in rotary disintegrators of the disc type : en
  • US2306515A - Lace : en
  • US2306982A - Storage battery : en
  • US2306726A - Phonograph record : en
  • BE447914A - : en
  • GB550185A - Improvements in or relating to capstan lathes : en
  • US2306766A - Wallpaper remover : en
  • US2306437A - Mantle for gyratory crushers : en
  • US2306369A - Coring apparatus : en
  • US2306805A - Scalder : en
  • CH225023A - Shaft seal for rotary machines that works with sealing steam. : de en
  • US2306770A - Time recording device : en
  • USD134685S - Design for a game board : en
  • CH224983A - Children's gymnastics bar. : de en
  • US2306844A - Decorative handle trimmer : en
  • US2306920A - Tertiary amine reaction product : en
  • US2306643A - Synchronized clutch mechanism : en
  • DK60463C - Metal plate core and kneading barrel. : da en
  • US2306525A - Method of preparing multitone coated articles : en
  • USD134701S - Design for a building block : en
  • US2306637A - Silencer : en
  • US2306424A - Massager : en
  • US2306690A - Apparatus for delivering articles to and discharging articles from aircraft while in flight : en
  • SU62156A1 - Device for opening the bottom of the cupola : en ru
  • US2306597A - Lighting system : en
  • PL31215B1 - Fernmeldetechnische Staatswerke — F. S. W. *), Warschau A signal flap, especially for a telephone connection : en pl
  • PL31228B1 - A crushing missile or air bomb containing shrapnel darts : en pl
  • GB550234A - Improvements in epicyclic gearing suitable for the control of adjustable condensers : en
  • US2306392A - Friction absorbing device : en
  • US2306516A - Method of making hollow casting molds : en
  • USD134684S - Design for a mat : en
  • US2306415A - Chewing gum : en
  • DK60461C - Camp kitchen equipment consisting of several fitting cookware and similar units. : da en
  • GB550239A - Improvements relating to hydraulic governors : en
  • CA409650A - Farm building : en fr
  • CH224927A - Method and device for checking the operating condition of gas generation plants and their parts. : de en
  • CH225085A - Pack of goods containers. : de en
  • PL31194B1 - A device for the uniform supply of material separation devices, e.g. for the enrichment of mining spoil : en pl
  • PL31248B1 - : en pl
  • CA409591A - Convertible tandem bicycle : en fr
  • US2306663A - Net control of cathode ray tubes : en
  • US2306908A - Fluorescent lamp fixture : en
  • GB550224A - Improvements in the preservation of dried blood grouping serum : en
  • US2306940A - Flow meter : en
  • US2306496A - Apparatus for forming lined concrete pipe : en
  • US2306734A - Party line printing telegraph system : en
  • US2306814A - Tractor plow : en
  • BE446220A - INSULATION PRODUCT BASED ON GLASS WIRES OR OTHER VITREOUS BODIES : en fr
  • PL31206B1 - Method for the preparation of double ferrous salts of glycoheptonic acid : en pl
  • US2306368A - Cementing tool : en
  • USD134704S - Design for a garter button : en
  • CA409632A - Lightning arrester : en fr
  • AU116455B2 - Improvements in or relating to multi-grid electron discharge tubes : en
  • CH225061A - Method for regulating the gas supply to the main burner of gas-water heaters, and gas-water heaters for carrying out the method. : de en
  • US2306573A - Electric cooking apparatus : en
  • US2306664A - Stern tube construction : en
  • US2306938A - Testing and display device : en
  • US2306432A - Metallic substitute for pneumatic tires : en
  • CH224974A - Carrier for ribbon samples. : de en
  • PL31190B1 - Daimler-Benz flktiengesellschaft, Stuttgart- Clnterturkheim Suspension of the axle assembly on the vehicle frame, especially with two tubular stringers : en pl
  • DK60457C - Device by Incubators. : da en
  • US2306760A - Assembly jig : en
  • US2306836A - Power transmission : en
  • US2306617A - Remote control-safety trip hydraulically operated oil saver : en
  • US2306713A - Truck for handling metal pigs : en
  • USD134673S - Design for a brooch or similar article : en
  • GB550222A - Improvements relating to internal combustion engines : en
  • PL31236B1 - The method of producing alloys : en pl
  • GB550279A - Improvements in and relating to indicators and indicator boards for displaying variable information : en
  • US2306595A - Brake for bending sheet material : en
  • US2306754A - Corn sheller : en
  • US2306833A - Storage battery installation : en
  • US2306941A - Firing device for land mines : en
  • CA409671A - Electrolytical metal production : en fr
  • CH224905A - Scythe blade holder. : de en
  • CH224948A - Device for printing fabric webs using the stencil printing process. : de en
  • PL31226B1 - flkciova spolecnost drive Skodovy zavody v Plzni, Prague and Bohdan Pantoflicek, Prague Retarder for bottom shock detonators : en pl
  • US2306551A - Gun firing means : en
  • US2306983A - Hammer mill : en
  • AU116464B2 - Improved holder for razorblades : en
  • US2306405A - Pile fabric and method of making same : en
  • USD134658S - Design for a salt spoon or similar article : en
  • GB550300A - Improvements in or relating to cleaning devices for vapour burner nozzles : en
  • AU523342A - Improvements relating to self-propelled harvester threshers : en
  • USD134696S - Design for a tongue harness buckle : en
  • CA409674A - Cushion : en fr
  • US2306473A - Garment press : en
  • US2306386A - Electronic apparatus : en
  • BE447987A - improvements to devices for modulating the voltage at the terminals of a device consuming electrical current : en fr
  • CH225042A - Arrangement for converting electrical energy into mechanical movement. : de en
  • PL31162B1 - Device for activating and deactivating the steering equipment of certain running wheels on vehicles with front and rear steered wheels : en pl
  • PL31210B1 - Patent-Treuhand-Gesellschaft fur elektrische Gliihlampen m. B. H., Berlin - lfOfi \ .M / W Electric low-pressure tubular mercury lamp filled with a noble gas and provided with a layer of a luminescent substance, placed inside the tubular bank : en pl
  • US2306704A - Refrigeration : en
  • US2306636A - Water cooled silencer : en
  • US2306959A - Crankshaft dynamic balancing means : en
  • US2306881A - Cathode ray tube : en
  • US2306719A - Spindle for yarn package dyeing apparatus : en
  • US2306715A - Arm sling : en
  • GB550293A - An improved tool for use in electric wiring : en
  • US2306784A - Electric control circuit : en
  • US2306946A - Windshield wiper : en
  • US2306832A - Furnace door : en
  • GB550284A - Rotary loop-taker mechanism for sewing machines : en
  • GB550197A - Process for the bromination of ketones : en
  • US2306835A - Method of and apparatus for manufacturing artificial foliage : en
  • USD134666S - Design for a shoe : en
  • US2306530A - Heel nailing machine : en
  • GB550202A - Improvements in or relating to spinning and roving frames : en
  • GB550219A - Improvements relating to clutch mechanism of the boring or drilling spindles of horizontal boring or drilling machines : en
  • US2306393A - Friction absorbing device : en
  • US2306992A - Lamp standard : en
  • US2306529A - Dielectric testing-method and means : en
  • US2306444A - Drain opener : en
  • US2306744A - Cultivator attachment : en
  • PL31224B1 - The method of producing tannins : en pl
  • US2306453A - Fire truck : en
  • US2306725A - Tractor-mounted implement : en
  • GB550296A - Improvements in or relating to the administration of inhalant gas mixtures : en
  • CA409551A - Liquid filter : en fr
  • CA409616A - Synthetic resin : en fr
  • CH225056A - Method for directional magnetization of permanent magnet bodies and device for carrying out the method. : de en
  • CH225072A - Process for filling alkaline cartridges for oxygen devices. : de en
  • GB550182A - Improvements in turning centres for lathes or the like : en
  • US2306576A - Lined container : en
  • US2306724A - Dynamoelectric machine : en
  • US2306889A - Ignition timer : en
  • US2306896A - Steam generating system : en
  • US2306981A - Two-cycle internal combustion engine : en
  • GB550249A - Improvements in or relating to permanent magnet electric motors : en
  • DK60460C - Fittings for holding folding legs on tables, chairs and similar furniture. : da en
  • PL31251B1 - C. Lorenz fiktiengesellschaft, Berlin-Tempelhof Transmitter for powering beacons : en pl
  • US2306883A - Method of making cores for permanent molds : en
  • GB550168A - Treatment of cellulosic materials regenerated from viscose and similar cellulosicaterials : en
  • PL31175B1 - Printing device for tilting scales with accurate weights : en pl
  • SU61982A1 - Thermal switch to the device for periodic warming up of engines of vehicles on duty : en ru
  • US2306774A - Tennis net center band attaching equipment : en
  • US2306536A - Ironing machine : en
  • GB550316A - Improvements in or relating to hydraulic rams : en
  • US2306678A - Coke-oven structure : en
  • AU116458B2 - Improvements in and relating to gaseous electric discharge lamps : en
  • GB550174A - Improvements in or relating to runways, roadways and tracks for aircraft, vehicular traffic and the like : en
  • CH224981A - Device for uniform illumination of a surface. : de en
  • US2306755A - Driving mechanism for combines : en
  • DK60452C - Procedure for the Manufacture of Dihydrotachysterin or This Contains Products. : da en
  • USD134659S - Design foe an oyster dish : en
  • DK60458C - Procedure for the manufacture of a disinfectant and foaming, liquid product with a soaping effect. : da en
  • GB550232A - Improvements in or relating to pressure sensitive adhesives : en
  • US2306389A - Means for connecting metallic and nonmetallic parts : en
  • GB550189A - Improvements in, and connected with, frames for suspending folders or document-containers in drawers and the like : en
  • GB550277A - Improvements in sheet metal structures : en
  • CA409631A - Network distribution system : en fr
  • CH224985A - Automatic firearm with two independent cartridge magazines arranged on opposite sides of the weapon. : de en
  • US2306843A - Treating oil distillates : en
  • CH225038A - Heat exchanger with at least one tube bundle. : de en
  • AU422142A - Improvements in and relating to gaseous electric discharge lamps : en
  • GB550187A - Improvements in or relating to breast pumps : en
  • US2306613A - Container insert for maintaining contents in elevated position : en
  • US2306888A - Arrangement for producing high unidirectional voltages : en
  • US2306958A - Front wheel drive : en
  • AU391641A - Improvements in or relating to multi-grid electron discharge tubes : en
  • CH225032A - Method for sharpening the tips of turbine blades on the blade hollow side. : de en
  • US2306935A - Storage battery : en
  • BE447966A - : en fr
  • CH225039A - Electric alternating current apparatus with an iron core designed as a winding core. : de en
  • CA409621A - Thermionic valve : en fr
  • US2306722A - Stair form : en
  • US2306679A - Optical system : en
  • CA409564A - Crystalline magnesium hydroxide : en fr
  • US2306699A - Combined tank filler and cap : en
  • US2306862A - Television remote control : en
  • US2306712A - Drawing tube : en
  • CH225092A - Springy wheel. : de en
  • US2306851A - Hydraulic riveting machine : en
  • CH225058A - Thermal relay. : de en
  • CH224993A - Electricity meter. : de en
  • GB550267A - Method and means for jointing cables and wires : en
  • PL31244B1 - Erwin O. Habe feld, Berlin AUyfto Cm A carbon paper, especially for bookkeeping : en pl
  • US2306866A - Toy airplane : en
  • AU118326B2 - Improvements relating to attaching tools : en
  • CH225045A - Roller lock on an electrical rotary switch. : de en
  • US2306839A - Plug and seat for valves : en
  • US2306601A - Gas and liquid mixing apparatus : en
  • US2306661A - Electric fence gate : en
  • US2306688A - Hydrogenolysis of crude carbohydrates : en
  • US2306757A - Electrolytic cell : en
  • USD134715S - Design for a hanging mikbok : en
  • DK60454C - Coupling for Regulating the Reactance of an Electric Circuit. : da en
  • CH224926A - Rotary kiln for the production of red coal. : en fr
  • BE448159A - : en
  • USD134668S - Design for a shoe : en
  • CH224953A - Gaiter. : en fr
  • US2306963A - Films of ethyl cellulose : en
  • USD134702S - Stillwell. xcombined f flower pot and stand : en
  • CH225044A - Electrical switch with arc extinguishing by a pressure medium. : de en
  • CH225026A - Device for driving a linearly reciprocating link by a rotating link and vice versa. : de en
  • BE447890A - : en
  • CA409593A - Wire terminal manufacture : en fr
  • CH225025A - Ring plate valve, especially for high-speed air compressors. : de en
  • CA409562A - Reciprocating piston pump : en fr
  • CA409594A - Dog exerciser : en fr
  • CH225037A - Device for facilitating the start of electric motor-driven compressors. : de en
  • CH224979A - Process for the production of diazotypes. : de en
  • US2306366A - Coke oven structure : en
  • US2306980A - Windshield wiper blade cleaning device : en
  • CA409586A - Pinking shears : en fr
  • CH224987A - Electrical device for locating the position of an object. : en fr
  • CH224920A - Process for the production of hard material moldings. : de en
  • US2306504A - Woven wire resistance : en
  • CA409685A - Paper manufacture : en fr
  • AU781542A - Improvements relating to attaching tools : en
  • US2306416A - Metal body for automobiles : en
  • US2306707A - Audiphone : en
  • US2306514A - Pajamas : en
  • CA409599A - Thrust bearing : en fr
  • CA409626A - Protective relay : en fr
  • CA409657A - Railway traffic controlling system : en fr
  • CA409705A - Garment trimming machine : en fr
  • US2306373A - grade meter : en
  • CA409602A - Tooth brush : en fr
  • CA409686A - Refrigerator car : en fr
  • CH225063A - Height-adjustable stand. : de en
  • US2306545A - Multiple speed change gear, especially for motor vehicles : en
  • US2306932A - Mixed esters of methylol phenols : en
  • GB550299A - An improved article of wearing apparel : en
  • CH225060A - Flange seal for electrode holder. : de en
  • CA409660A - Textile material and product ennoblement : en fr
  • GB550230A - Improvements in or relating to a method of and means for forming recesses, depressions or the like in thin material such as sheet metal : en
  • US2306884A - Fruit juicer : en
  • CA409659A - Television signal-translating system : en fr
  • CH224997A - Calculating machine with a device for automatic deletion of the result and the revolution counter. : de en
  • US2306771A - Method of making metallic tubes : en
  • GB550238A - Improvements in or relating to tyre carcases and other articles comprising textile materials : en
  • PL31179B1 - A method of improving chromium-containing coloring matters : en pl
  • SU61603A3 - The shutter for the neck of the fuel, automotive and other tanks : en ru
  • PL31180B1 - Patent dependent within the scope of claims 8, 9 from Patent No. 25608 : en pl
  • US2306849A - Drawing frame with adjustable holder for the pressure rollers : en
  • US2306638A - Fishing rod : en
  • US2306801A - Rotary fastener device and installation of the same : en
  • US2306956A - Vibration suppressor : en
  • BE448099A - : en
  • GB550181A - Improvements in or relating to vulcanizers : en
  • GB550167A - Process of making solid fuel briquettes : en
  • GB550282A - Improvements in face powder and other containers : en
  • CH224939A - Method and device for the production of synthetic fibers by means of the vacuum dry spinning process. : de en
  • GB550208A - Improvements in or connected with skid fenders for use in the launching of ships life boats : en
  • GB550246A - Improvement in the manufacture of insulated conductors or other coated bodies : en
  • PL31241B1 - : en pl
  • GB550304A - Improvements in electric induction furnaces : en
  • CH224989A - Measuring device for determining the direction to the celestial pole. : de en
  • US2306563A - Flash lamp : en
  • US2306962A - Mixing apparatus : en
  • US2306527A - Electric-power transmission system : en
  • GB550173A - Improvements in building construction : en
  • US2306998A - Automatic voltage and current regulating device : en
  • USPP562P - Kniphofia os tritoma : en
  • GB550303A - Improvements in or relating to float actuated means for the control of liquid levels : en
  • US2306431A - Conveying apparatus : en
  • US2306968A - Rotary operative fastener : en
  • USRE22240E - Apparatus for producing wound : en
  • US2306459A - Fifth wheel : en
  • US2306378A - Electronic circuit for frequency conversion : en
  • GB550226A - Improvements in electro-magnetically operated devices : en
  • US2306922A - Wiper mechanism : en
  • PL31172B1 - The method of impressing negatives from originals, especially for printing purposes, and matrices and printing plates made in this way : en pl
  • US2306499A - Register actuator : en
  • GB550215A - Improvements in and relating to closures or lids for tins or other receptacles : en
  • US2306893A - Regulating device for electric current generators : en
  • US2306944A - Floor cleaner : en
  • US2306513A - Impedance device : en
  • US2306926A - Material handling method and apparatus : en
  • US2306411A - Diene copolymers and method of preparing same : en
  • US2306634A - Holder for reading matter : en
  • US2306987A - Unitary foldable paper divan cover : en
  • US2306420A - Explosive fluid dispersion : en
  • US2306570A - Process for protecting and coloring concrete : en
  • GB550309A - Improvements in and relating to electric discharge lamp circuits : en
  • US2306930A - Plow : en
  • US2306773A - Poultry killing machine : en
  • CA409680A - Sling : en fr
  • CH225048A - Device for protecting the electrodes in dismountable high vacuum tubes. : de en
  • USD134693S - Design fob a lady s hat : en
  • CH225016A - Hand tool for burning off paint applied to surfaces. : de en
  • CA409688A - Fibreboard box : en fr
  • PL31259B1 - The method of wrapping metal pipes, especially steel tapes, with bituminous anti-rust masses, and an apparatus for using this method : en pl
  • US2306406A - Tampon : en
  • US2307000A - Parachute apparatus : en
  • US2306598A - Replaceable bit rock drill : en
  • US2307005A - Method of treating metal composition : en
  • CH225102A - Process for the preparation of an α-dicarbonyl compound of the cyclopentanopolyhydrophenanthrene series. : de en
  • DK60470C - Procedure for securing the order of the wires separated on wire drawing machines, fitting machines or knitting machines from wire layers, and devices used for this purpose by such machines. : da en
  • GB550179A - Improvements in and relating to steam generators : en
  • US2306779A - Treatment of rubber : en
  • GB550242A - Improvements in or relating to the moulding of articles from resinous compositions : en
  • PL31233B1 - Manufacturing of high pressure tanks : en pl
  • US2306879A - Stool or chair : en
  • US2306422A - Mulling apparatus : en
  • CA409595A - Roller skate device : en fr
  • CH224984A - Device for directing the ball in a home football game. : en fr
  • CH225019A - Safety device for screw connection. : en fr
  • CH225098A - Method for the fire-proof storage of fuels in containers connected to the exhaust manifold of an internal combustion engine, in particular for the storage of fuels in aircraft. : de en
  • US2306657A - Method of forming tie plates : en
  • US2306831A - Method of and apparatus for insuring flow of viscous liquid : en
  • US2306652A - Process for refining wood rosin : en
  • CH225008A - Lot. : de en
  • CA409610A - Spring drive mechanism : en fr
  • US2306387A - Advertising sign : en
  • US2306462A - Intumescent furnace : en
  • US2306853A - Optical instrument : en
  • PL31265B1 - Method for recovering leaching agents : en pl
  • US2306806A - Self-locking nut : en
  • US2306800A - Piston : en
  • PL31231B1 - Device for curving the tape of synthetic fibers : en pl
  • PL31165B1 - : en pl
  • CH224913A - Heater. : de en
  • PL31254B1 - : en pl
  • CA409648A - Photographic reducing bath : en fr
  • PL31255B1 - Daimler-Benz flktiengesellschaft, Stuttgart-Unterturkheim Low pressure combustion engine with fuel injection, especially light fuel, spark ignition : en pl
  • PL31185B1 - A device for attaching interchangeable, long focal length, heavy lenses to photographic still cameras, especially lenses for long distance shooting on cinematographic still film cameras : en pl
  • US2306374A - Bending machine : en
  • US2306837A - Electrical control system : en
  • CA409678A - Cigarette : en fr
  • CH224994A - Method and device for checking the correct operation of a measuring device provided with a wobble frequency generator for electrical broadband transmission devices. : de en
  • CH225075A - Printing telegraph device. : en fr
  • CH224976A - Film guiding device. : de en
  • CH225108A - Process for the preparation of a new ester. : de en
  • US2306412A - File box : en
  • PL31252B1 - Radioaktiengesellschaft D. S. Loewe, Berlin-Steglitz Television transmitter connection system : en pl
  • CH224945A - Process for the aftertreatment of semi-chrome leather. : de en
  • CA409576A - Thermostatic regulator : en fr
  • CA409687A - Box and packaging method : en fr
  • CH224996A - Calculator for performing multiplications and divisions. : de en
  • CH225090A - All-terrain vehicle with two or more wheel axles suspended by torsion bars. : de en
  • US2306984A - Filter device : en
  • SU62056A1 - Contact apparatus (column) for ammonia synthesis : en ru
  • CH225094A - Spring-loaded tractor wheel tires. : de en
  • CA409568A - Automatic phonograph : en fr
  • CA409561A - Lawn sprinkling apparatus : en fr
  • CH224933A - Cabinet with drawers and pull-out shelf. : de en
  • CH225004A - Chronograph watch movement. : en fr
  • CH225013A - Feed tube for automatic bar turning machine. : en fr
  • US2306776A - Process of treating vitaminiferous materials : en
  • US2306584A - Demagnetization of magnetic bodies : en
  • GB550235A - Improvements in telephone systems : en
  • GB550177A - Improved lubricants : en
  • US2306738A - Boiler : en
  • GB550248A - Spinning, twisting and similar textile machines : en
  • CA409712A - Dispenser for elongated articles : en fr
  • CH225057A - Device for generating periodic pulses. : de en
  • US2306829A - Collar holder : en
  • CA409596A - Capsule making machine : en fr
  • CH225053A - Electromagnetic annunciator relay. : en fr
  • DK60455C - Electron tube container made of glass with fused pins in a flat base. : da en
  • GB550297A - Improvements relating to automatic stopping mechanism for core covering or lapping machines : en
  • US2306765A - Process of making acetylacetylamino acetone and the product thereof : en
  • US2306701A - Combined telephone and telegraph cord and attendants' circuits : en
  • USPP563P - Kniphofia or tritoma : en
  • US2306382A - Oxygen distribution system and regulator therefor : en
  • US2306557A - Damper : en
  • US2306635A - Method for the preparation of steroidal carbinols : en
  • US2306718A - Process for breaking petroleum emulsions : en
  • AU546142A - Improvements in or relating to refrigeration apparatus : en
  • GB550245A - Improvements in and relating to the production of moulding powders : en
  • DK60459C - Window preference. : da en
  • GB550231A - Sound absorbing devices : en
  • CA409703A - Fabric production : en fr
  • CH225036A - Compressors with oscillating armature drives, in particular for refrigerating machines. : de en
  • AU179541A - Waterproof and fireproof mineral cork : en
  • US2306377A - Method for preparing worsted yarns : en
  • USD134676S - Design for a doll or similar article : en
  • USD134691S - Design for a lady s hat : en
  • PL31246B1 - A device for cutting continuous strands of synthetic fibers : en pl
  • US2306681A - Water-insoluble azo dyestuffs : en
  • US2306399A - Packaging : en
  • US2306813A - Compressor : en
  • PL31192B1 - A method of producing products for finishing fur, bristles and all kinds of textiles : en pl
  • CA409639A - Washing or scrubbing apparatus : en fr
  • CH225030A - Safety device for centrifugal pumps. : de en
  • US2306579A - Windshield towel dispenser and utility cabinet : en
  • GB550301A - Improvements in and relating to electric fluid blast circuit breakers : en
  • DK60469C - Method and Apparatus for Drying Agricultural and Horticultural Products. : da en
  • DK60456C - Electric Sauna Stove. : da en
  • GB550270A - Improvements in or relating to sliding clasp fasteners : en
  • US2306627A - Nailing machine : en
  • CA409691A - Printer projection system : en fr
  • PL31232B1 - The method of obtaining indications of an indicator device with the methods of comparing the intensity of two fields : en pl
  • GB550266A - Improvements in furnace arches and walls : en
  • USD134681S - Design for a cabinet for a sewing machine : en
  • SU62007A1 - Device for automatic registration and control of several quantities on one communication line : en ru
  • US2306906A - Warp machine : en
  • USD134675S - Combination envelope and writing paper : en
  • CA409554A - Combined illuminating and signal lamp : en fr
  • CA409649A - Colour photography : en fr
  • CA409702A - Dielectric film testing apparatus : en fr
  • CH224918A - Electric heater with heat accumulator. : en fr
  • BE447873A - : en
  • CH225043A - Thermal switching relay for switching tariff devices in particular. : de en
  • CA409585A - Torpedo launching device : en fr
  • CA409640A - Tubular shell deforming apparatus : en fr
  • CH225010A - Mobile device for performing resistance welding. : de en
  • AU493342A - Improvements in driving means for electrically propelled vehicles : en
  • CH224935A - Device used to give change. : en fr
  • CH224973A - Power-driven device on special typewriters and accounting machines for pulling back carbon paper. : de en
  • AU116448B2 - Improvements in driving means for electrically propelled vehicles : en
  • BE448028A - : en
  • CH224982A - Tongue for lingual pipes. : de en
  • CA409693A - Window system for motor vehicles : en fr
  • PL31222B1 - A method of producing pure aliphatic hydrocarbon soaps with a high molecular weight in a continuous process : en pl
  • USD134671S - Design for a table : en
  • USD134697S - Design fob a textile fabric : en
  • CH225086A - Container, in particular box, with at least two separate spaces. : de en
  • US2306716A - Heavy duty press : en
  • CA409681A - Brewing process : en fr
  • CH224955A - Process for the production of a product composed at least partly of individual particles and product produced by the process. : de en
  • CH225033A - High-speed, supercharged, multi-cylinder four-stroke gas engine. : de en
  • CH225095A - Mounting device for rear wheels of cycles, motorcycles and other such vehicles. : en fr
  • CA409600A - Clutch operating mechanism : en fr
  • US2306572A - Quarrying apparatus : en
  • US2306706A - Umbrella : en
  • CA409617A - Polymerization inhibitor : en fr
  • US2306413A - Frozen food locker unit : en
  • USD134661S - Design fok a shoe : en
  • PL31249B1 - Guido Nierth, Berlin-Tempelhof Stand for shaving brush : en pl
  • CA409587A - Screening apparatus : en fr
  • CA409710A - Seamless knitted stocking : en fr
  • CH225074A - Amplifier circuit arrangement in telecommunications systems, in which a connection leading via an amplifier is automatically switched to a backup amplifier in the event of a fault in the latter. : de en
  • CH224914A - Chimney attachment. : de en
  • CH224906A - Gallows. : en it
  • CH224919A - Method of manufacturing electrical heating cables. : de en
  • PL31182B1 - A device for influencing, by means of permanent magnets and electromagnets, placed on a track, on a device placed in a train : en pl
  • SU62100A1 - Slotting machine : en ru
  • US2306450A - Form for double curbs : en
  • US2306804A - Separator spout cover : en
  • CA409559A - Laminated ski : en fr
  • CA409557A - Electrical bushing : en fr
  • CA409711A - Glass manufacturing apparatus : en fr
  • US2306670A - Well casing perforating device : en
  • US2306697A - Production of urea-formaldehyde molding mixtures : en
  • AU116462B2 - Improvements relating to self-propelled harvester threshers : en
  • CH224986A - Machine fitted with a movable slide on a support. : en fr
  • US2306923A - Art of photography : en
  • US2306957A - Thread lock : en
  • US2306596A - Cable-served wiring apparatus : en
  • CA409643A - Sponge rubber cushioning material : en fr
  • GB550247A - Improvements in or relating to resilient drive mechanisms : en
  • AU116450B2 - Improvements in or relating to refrigeration apparatus : en
  • US2306427A - Gravel treating device : en
  • US2306999A - Variable seat connector : en
  • US2306979A - Automatic control for electric stoves : en
  • PL31221B1 - : en pl
  • DE727494C - Cleaning device for beechnuts, acorns and. like : de en
  • US2306742A - Pump : en
  • BE447814A - : en
  • US2306558A - Pump head : en
  • US2306867A - Outside door handle : en
  • US2306928A - Rotary fastener device and installation of the same : en
  • GB550186A - Improvements in or relating to methods of forming flanges at the ends of tubing : en
  • PL31201B1 - : en pl
  • GB550180A - Improvements in and relating to washing machines : en
  • US2306475A - Power transmitting mechanism : en
  • US2306478A - Moistureproof sheet wrapping material : en
  • PL31253B1 - A device for twisting thin threads, especially those made of artificial silk : en pl
  • GB550269A - Improvements in or relating to floors, roofs, walls and the like and a system of constructing the same : en
  • US2306842A - Abrading apparatus : en
  • US2306967A - Fastener : en
  • CH225088A - Accumulator vehicle. : de en
  • GB550258A - Improvements in electrolytic cells suitable for the electrolysis of brine : en
  • US2306945A - Method of edge conditioning sheet metal : en
  • US2306474A - Vehicular shovel : en
  • US2306539A - Engine starter drive : en
  • PL31191B1 - A method of producing valuable liquid hydrocarbons, especially gasolines with good anti-knock properties : en pl
  • CH224949A - Rope tensioning device. : de en
  • GB550250A - Service stopper for gas mains, branch pipe connections and the like : en
  • PL31268B1 - A device for the processing of stems of stalk plants : en pl
  • US2306477A - Fully automatic filter press : en
  • US2306778A - Window cleaning device : en
  • GB550292A - Improvements in air cleaners : en
  • US2306758A - Hydraulic torque converter : en
  • USD134695S - Design for slacks : en
  • US2306375A - Closing machine : en
  • US2306838A - Slush pump piston : en
  • US2306508A - Water control for closet tanks : en
  • US2306523A - Wheel : en
  • US2306463A - Air conditioning system : en
  • US2306533A - Electrical conductor : en
  • DK60453C - Heat exchange device. : da en
  • GB550170A - Improvements in or relating to the production of moulded materials : en
  • US2306668A - Plunger type air pistol : en
  • PL31200B1 - The method of producing shapes from activated carbon : en pl
  • GB550278A - Improvements in or relating to seal devices for pumps and the like : en
  • PL31209B1 - : en pl
  • PL31257B1 - A method of filtering suspensions and an apparatus for carrying out the method : en pl
  • US2306633A - Semiautomatic rifle : en
  • US2306600A - Impacting tool : en
  • US2306616A - Typewriter attachment for manifolding : en
  • GB550210A - Improvements in or relating to switching systems particularly for automatic telephones : en
  • GB550225A - Improvements in or relating to apparatus for viewing films : en
  • GB550285A - Improvements in or relating to machines for automatically performing a finishing operation on a marginal portion of an unattached shoe sole : en
  • GB550169A - Improvements in the manufacture of n-(polyhydroxyalkyl)-arylamines : en
  • GB550283A - Improvements in and relating to doughnut frying-machines : en
  • GB550262A - Synthesis of ketones having a diethylstilboestrol carbon skeleton : en
  • US2306826A - Method for the manufacture of aluminum acetate : en
  • US2306775A - Process for breaking petroleum emulsions : en
  • US2306785A - Safety mechanism for presses : en
  • US2306484A - Process for the distillation of oil containing salts of hydrochloric acid : en
  • DK60465C - Internal combustion engine systems. : da en
  • PL31247B1 - Junkers Flugzeug-und-Motorenwerke flktiengesellschaft, Dessau Circular lubricating oil circuit in internal combustion engines : en pl
  • US2306903A - Fuel governor : en
  • CH224922A - Stone saw machine. : de en
  • CA409676A - Waste can : en fr
  • CH224929A - Pipe wall on steam boilers. : de en
  • US2306812A - Collapsible bench chair : en
  • USD134699S - Design for a grinding machine : en
  • US2306641A - Photographic exposure calculator : en
  • US2306974A - Nonspill vent plug : en
  • US2306566A - Timing apparatus for garment presses and the like : en
  • PL31170B1 - The method of producing low-volatile products from pitch, tar, bitumen, coal, resins and similar materials : en pl
  • USD134686S - Design for a table : en
  • USD134688S - Design for a table : en
  • US2306511A - Display structure : en
  • US2306585A - Electric switch : en
  • US2306858A - Radio control system : en
  • GB550200A - Improvements in or relating to razor blade sharpening machines : en
  • CH224928A - Gas-tight soot door installed in the wall opening of a chimney. : de en
  • CH225100A - Dehumidification pipe with device for storage in masonry. : de en
  • US2306433A - Combination sagger and setter for bisque firing vitrified china : en
  • US2306535A - Valve : en
  • US2306735A - Lathe : en
  • GB550227A - Improvements in screw propellers : en
  • US2306631A - Wheel cover structure : en
  • US2306748A - Seed planter : en
  • PL31181B1 - flrgus Motoren Gesellschaft m. b. H., Berlin Pedal steering device for aircraft : en pl
  • SU62051A1 - Pole for electric cars : en ru
  • US2306728A - Current controlling device : en
  • US2306809A - Cleaning mop : en
  • CA409598A - Brake : en fr
  • US2306440A - Dissolving, softening, gelatinizing, and swelling agents : en
  • SU61990A1 - Continuous Centrifuge : en ru
  • US2306441A - Splitting machine : en
  • US2306550A - Combination cover and dispensing device for canned milk : en
  • US2306686A - Cold cathode housing : en
  • USD134706S - Design for a dkess : en
  • US2306691A - Apparatus for measuring salinity : en
  • US2306860A - Electron discharge device for very high frequencies : en
  • PL31161B1 - Ernst Gessner Mktiengesellschaft, flue Ring cutter : en pl
  • CA409708A - Knitting machine and process : en fr
  • CH225027A - Method for operating compressors with at least one cooler and compressor connected downstream of a stage for carrying out this method. : de en
  • US2306546A - Corset : en
  • US2306666A - Multicolor light source for photographic enlargers : en
  • US2306997A - Interchangeable gun sight : en
  • US2306845A - Dynamometer : en
  • CH224944A - Process for the production of a permanent finishing bath valuable for the textile industry and related industries. : de en
  • US2306608A - Compressor for refrigerating apparatus : en
  • USD134687S - Design for a table : en
  • CH224991A - Device for punctiform recording of several measured values in different colors. : de en
  • US2306367A - Rectifying apparatus : en
  • US2306841A - Pump assemblage : en
  • CH224921A - Furnace, especially for the distillation of asphaltic rocks and oil shales. : en fr
  • US2306769A - Portable electric tool motor construction : en
  • US2306939A - Fluorescent device for games : en
  • US2306650A - Process for refining polymerized rosin : en
  • US2306743A - Supporting structure for machines : en
  • CH224931A - Process for the production of picture and mirror frames. : de en
  • CH225021A - Ball-bearing. : de en
  • US2306978A - Installation for generating gas under pressure : en
  • US2307004A - Rotary fastener device and installation of the same : en
  • USD134705S - Design for a dress : en
  • PL31176B1 - A method for emptying and filling a sintering ladle, and an apparatus for carrying out the method : en pl
  • US2306404A - Space discharge relay : en
  • CH225091A - Compressed air operated hydraulic fluid brake for vehicle trailers. : de en
  • CH224923A - Process for atomizing chemical substances and device for carrying out the process. : de en
  • CH224966A - Closing device for sacks, in particular those made of paper. : de en
  • CA409572A - Cylinder paper machine : en fr
  • CA409700A - Fluid fuel burner : en fr
  • CH224940A - Process for the recovery of carbon disulfide. : de en
  • CH225065A - Process for the production of electrodes for electric cathode glow lamps or tubes. : de en
  • CH225109A - Process for the preparation of a new ester. : de en
  • US2306409A - Primary cell : en
  • CH225097A - Multi-axle articulated chassis for rail vehicles. : de en
  • CH225073A - Device for controlling an electrically operated automatic distributor. : en fr
  • US2306461A - Jig for servicing and testing vacuum pumps : en
  • USD134672S - Design for a chair : en
  • CA409684A - Refrigeration system : en fr
  • US2306604A - Typewriting machine : en
  • US2306464A - Artificial plastic animal teeth and jaws : en
  • GB550205A - Improvements in and relating to the treatment of the surface of paper and the like : en
  • GB550256A - An improved apparatus for dispensing beverages : en
  • GB550209A - Improvements in or connected with skid fenders for use in the launching of ships life boats : en
  • CH225069A - Process for the preparation of a product enriched in gonadotropic pituitary hormones. : de en
  • CA409641A - French fried potato preparing process : en fr
  • US2306919A - Secondary amine reaction product : en
  • PL31188B1 - Manufacturing of a part of artificial teeth : en pl
  • CH225049A - Device for displaying or counting brief electrical overvoltage events. : de en
  • CA409633A - Differential relay : en fr
  • CH224907A - Attachable shower head for watering can. : de en
  • PL31250B1 - Erwin Otto Haberfeld, Berlin Card for card accounting : en pl
  • US2306430A - Machine for molding shoe bottom parts : en
  • US2306986A - Filter device : en
  • USD134690S - Textile fabric or similar article : en
  • US2306988A - Wet vacuum pump apparatus : en
  • CA409692A - Cylindrical spring : en fr
  • CH225071A - Syringe for medical purposes. : de en
  • PL31199B1 - : en pl
  • US2306684A - Conductively heated pitot static tube : en
  • US2306876A - Knob structure : en
  • USRE22241E - Process forthe production of : en
  • CA409558A - Oil filter : en fr
  • AU763542A - Process forthe dehydrogenation of hydrocarbons : en
  • US2306683A - Cutting edge : en
  • US2306810A - Protective system : en
  • US2306816A - Elevator mechanism drive : en
  • US2306541A - Floating hydraulic control : en
  • CA409570A - Collapsible ice bunker : en fr
  • PL31205B1 - A method of producing a choleretic agent : en pl
  • US2306618A - Treatment of wine : en
  • CA409592A - Loose leaf binder : en fr
  • USD134700S - Design for a stove : en
  • USD134707S - Design for a radio receiver cabinet : en
  • US2306455A - Refining of rosing and the like : en
  • US2306510A - Distributing apparatus : en
  • GB550280A - Manufacture of rubber-like materials : en
  • US2306772A - Sheet and tube evaporator : en
  • CA409588A - Vibrating screen : en fr
  • US2306848A - Drawing frame : en
  • US2306544A - Driving mechanism : en
  • US2306943A - Deflecting device : en
  • CH224904A - Rake. : de en
  • NL53831C - : en
  • US2306933A - Desulphurizing hydrocarbons : en
  • CA409618A - Camera : en fr
  • US2306854A - Gear : en
  • PL31267B3 - : en pl
  • PL31227B3 - A device for causing explosions of mines scattered in the area of hostilities : en pl
  • US2306677A - Magnetic draftsman's device : en
  • GB550213A - Improvements in means for application to road and rail steam vehicles for dispersing snow : en
  • US2306560A - Sand extractor for oil well pumps : en
  • US2306777A - Apparatus for greasing sheet metal plates : en
  • CH225076A - Telephone. : de en
  • US2306868A - Method for producing a one piece multifocal lens blank and lens : en
  • US2306674A - Apparatus for dehumidifying air : en
  • US2306553A - Natural gas conditioning process : en
  • US2306756A - Piston expanding apparatus : en
  • US2306815A - Lid construction : en
  • GB550240A - Improvements in or relating to receptacles for cinema films : en
  • US2306583A - Turbine runner and guide assembly : en
  • USD134664S - Combination bottle cap opener and bricklayer s line pin : en
  • US2306540A - Storage rack for green tires and other articles : en
  • US2306588A - Smoke detecting apparatus : en
  • US2306847A - Centrifugal abrasive throwing wheel : en
  • US2306873A - Slide fastener : en
  • US2306892A - Hauling scraper : en
  • CA409622A - Watthour meter : en fr
  • US2306917A - Load weighing and indicating system : en
  • US2306824A - Power : en
  • US2306372A - Gasoline knock recorder : en
  • CH224934A - Drawer guides on desks, cabinet compartments and the like. : de en
  • US2306565A - Switch : en
  • US2306403A - Stripping device : en
  • US2306434A - Method of applying insecticides : en
  • CA409709A - Stocking knitting machine : en fr
  • CH225087A - Body for road, air and water vehicles, in particular cars. : de en
  • CA409646A - Photographic composition : en fr
  • US2306394A - Snubber : en
  • US2306861A - Method for stamping sheet metal : en
  • BE448093A - : en fr
  • US2306506A - Shears : en
  • US2306521A - Control mechanism : en
  • US2306488A - Lifesaving and protecting suit : en
  • US2306414A - Manufacture of artificial leaves and flowers : en
  • US2306976A - Process for the removal from cast iron the oxides introduced therein and other foreign inclusions : en
  • CH225001A - Shooting glasses. : de en
  • US2306966A - Multiple stage water heater : en
  • SU62119A1 - Adaptation to the press for the installation of dies : en ru
  • US2306672A - Structure and arrangement of the coacting bars of jordan engines : en
  • GB550172A - Safety razor blade sharpener : en
  • US2306830A - Antioxidant : en
  • CA409634A - Lightning device for airport runways : en fr
  • CH225050A - Monitoring device for surge arresters for high voltage networks. : de en
  • AU487642A - Improvements in or relating to spray devices : en
  • CH224950A - Washing machine. : de en
  • CA409627A - Laundry machine mounting : en fr
  • US2306671A - Concrete screed and guide : en
  • US2306733A - Internal combustion engine : en
  • US2306767A - Power take-off unit : en
  • CH225107A - Tubular heating resistor made of silicon carbide, closed at the ends. : de en
  • US2306644A - Actuating means for change-speed mechanisms : en
  • CH225007A - Casting mold with device for transferring casting material, in particular light metal. : de en
  • GB550212A - Improvements relating to tip-up seats : en
  • CA409615A - Synthetic resin : en fr
  • CH225066A - Axial percussion instrument. : en fr
  • GB550308A - Improvements in and relating to electric discharge lamp circuits : en
  • CH225006A - Process and electric furnace for the treatment of substances which are difficult to convert into the vapor state. : de en
  • PL31223B1 - Bendix flviation Corporation, Chicago, Illinois Expandable double diaphragm charting device : en pl
  • CH224961A - Process for preparing a product with an ambrettolide odor. : en fr
  • CA409696A - Multiple fuse : en fr
  • CH225005A - Process for the production of alloys. : de en
  • US2306555A - Method for frequency control : en
  • US2306646A - Preparation of monosodium glutamate : en
  • PL31211B1 - A method of decontamination of rooms with the heat of exhaust gases and an apparatus for applying the method : en pl
  • BE448086A - Cane maker : en fr
  • CH224924A - Device for using a "portable shower" as a fixed shower. : en fr
  • CH225080A - Device for phase respectively. Frequency modulation of electrical vibrations. : de en
  • US2306909A - Piezoelectric crystal apparatus : en
  • US2306471A - Electrolytic facsimile recording : en
  • USD134657S - Design foe, a bisflay device : en
  • DK60451C - Apparatus for Holding Clothes to be Stretched. : da en
  • GB550254A - Improvements relating to insulating supports for electric wire fencing : en
  • GR10013B - AUTOMATIC ELECTRIC LAMP. : el en
  • CA409579A - Metal bound box : en fr
  • PL31234B1 - Societe flnonyme fldolphe Saurer, flrbon / r ^ £> £ / * / Soul cooling injection for internal combustion engines : en pl
  • BE447835A - Remote order transmission installation : en fr
  • US2306840A - Propeller system : en
  • CH225011A - Welding transformer. : de en
  • GB550288A - Improvements in or relating to the production of zirconia : en
  • GB577525A - Improvements in or relating to bomb-dropping and like apparatus for use on aircraft : en
  • CA409677A - X-ray tube safety switch : en fr
  • GB550195A - Improvements in or relating to the lubrication and finishing of textile materials : en
  • US2306428A - Welding heat control : en
  • US2306890A - Safety razor : en
  • DK60468C - Method and Apparatus for Making Aqueous Suspensions of Clay. : da en
  • GB550206A - Improvements relating to reciprocating engines more particularly two-stroke internal combustion engines with port control of distribution : en
  • CH224917A - Electric radiant heater. : de en
  • US2306605A - Hitch attachment for vacuum cleaners : en
  • SU62085A1 - Device for monitoring telecontrol signals : en ru
  • US2306586A - Polyvinyl acetal resin and composition thereof : en
  • GB550313A - Improvements in or relating to sealing ring structures : en
  • US2306500A - Register control mechanism : en
  • PL31184B3 - Georg von Giesche's company “Erben, Wroclaw Magnesium alloy : en pl
  • US2306759A - Apparatus for improving wing slot operation : en
  • US2306912A - Electrode for salt bath furnaces : en
  • CA409635A - Contact device : en fr
  • GB550276A - Improvements in potato harvesting machines : en
  • GB550194A - Improvements in bumpers for motor vehicles : en
  • USD134714S - Design for an identification bracelet locket : en
  • CA409637A - Raw vegetable fibre processing : en fr
  • CA409673A - Vehicle guiding system : en fr
  • US2306465A - Rock drill : en
  • GB550223A - Improvements in and relating to ships' telegraphs : en
  • US2306575A - Automobile body : en
  • US2306737A - Jetty : en
  • US2306370A - Surfacing of blooms or other metal members : en
  • US2306961A - Fastener member and fastener installation : en
  • US2306580A - Internal combustion engine : en
  • BE448727A - : en fr
  • CA409651A - Leaf assembly and adhesive : en fr
  • CA409665A - Water-repellent textile product : en fr
  • US2306964A - Cellulosic film : en
  • US2306425A - Production of ferric sulphate : en
  • US2306924A - Hard infusible resinous condensation products : en
  • GB550268A - Improvements in and relating to electric fuses : en
  • CA409578A - Vehicle : en fr
  • US2306850A - Transmission line : en
  • US2306950A - Four-stroke cycle fuel injection engine : en
  • US2306524A - Wheel : en
  • US2306882A - Selective system : en
  • US2306746A - Gas pressure regulator : en
  • US2306819A - Sound signal apparatus : en
  • US2306877A - Automatic warning light to indicate : en
  • CA409699A - Submersible bearing : en fr
  • US2306552A - Process for the manufacture of ketols of the cyclopentanopolyhydrophenanthrene series and derivatives thereof : en
  • SU62130A1 - Method and device for testing electric motors : en ru
  • BE448101A - Oxygen breathing apparatus : en fr
  • USD134698S - Design for a textile fabric : en
  • CH224951A - Device for the effect of hot air on everyday objects. : de en
  • CH224957A - Device on steam ovens for monitoring the same. : de en
  • GB550253A - Improvements in toothed-gear couplings : en
  • US2306953A - Gas turbine plant for propulsion of water and air craft : en
  • PL31242B1 - A method of making diaphragms, especially for airborne instruments, and an apparatus for carrying out this method : en pl
  • SU62172A1 - An instrument for plotting the shear forces and bending moments of beams : en ru
  • PL31260B1 - A method of producing foam glass insulation material : en pl
  • US2306952A - Rotary fastener device and installation of the same : en
  • US2306665A - Method of preparing ferritic iron powder for manufacturing shaped iron bodies : en
  • US2306782A - Razor blade package : en
  • US2306639A - Blades for turbomachines : en
  • US2306745A - Telegraph system and apparatus therefor : en
  • US2306482A - Toothbrush : en
  • US2306740A - Portable wheel scale : en
  • GB550259A - Improved construction of rotary vane pumps for fluids : en
  • GB550273A - Improvements in supports for portable trays : en
  • DK60462C - Tool for Shaping Ground Beef and Chops. : da en
  • GB550243A - Improvements relating to means for affording protection to the person against exposure to water, wind and like elements : en
  • CA409589A - Light metal scrap briquetting process : en fr
  • GB550244A - Improvements in telephone systems : en
  • US2306752A - Sheet metal pallet construction : en
  • US2306419A - Darning ball : en
  • US2306821A - Disconnect plug : en
  • GB550287A - Improvements in or relating to ink fountains for rotary printing presses : en
  • US2306741A - Shockproof electric receptacle : en
  • USD134669S - Design for a shoe : en
  • US2306955A - Bowling ball retarder : en
  • US2306995A - Method of making capillary tubes and the like : en
  • CH224938A - Method and device for the production of artificial threads. : de en
  • CA409694A - Propeller shaft connection : en fr
  • US2306880A - Dyeing vinyl polymers : en
  • CA409645A - Photographic composition : en fr
  • GB550203A - Humidifier units : en
  • CH224925A - Door closer built into a fish hinge. : de en
  • US2306542A - Prepayment meter mechanism : en
  • US2306592A - Beryllium alloy : en
  • US2306632A - Refrigerating apparatus : en
  • US2306695A - Lathe headstock transmission : en
  • US2306376A - Photoelectric tube : en
  • US2306486A - Grain scourer : en
  • SU62183A1 - Working body of the stone splitting machine : en ru
  • US2306673A - Combined seat and back rest : en
  • US2306391A - System for recording a plurality of measuring magnitudes : en
  • US2306910A - Gear generator : en
  • GB550281A - Improvements in face powder and other containers : en
  • BE447962A - Syringe for medical practice and sterilizer container. : en fr
  • US2306703A - Propeller mounting and control means : en
  • US2306802A - Food storage receptacle for refrigerators : en
  • USD134694S - Design for a jacket : en
  • US2306822A - Attachment for box folding machines : en
  • US2306921A - Electric kitchen utensil : en
  • CH225041A - Cross connection to terminal blocks. : de en
  • US2306934A - Bathtub : en
  • US2306381A - Feed for cigar bunch machines : en
  • USD134692S - Design foe a lady s hat : en
  • US2306931A - Extension table : en
  • PL31237B1 - Method of deoxidation and degassing of a steel bath : en pl
  • US2306561A - Transmission gearing : en
  • US2306492A - Reamer : en
  • US2306654A - Phonograph : en
  • US2306878A - Chair : en
  • USD134667S - Design for a shoe : en
  • US2306485A - Inertia operated control device : en
  • US2306700A - Lighting fixture : en
  • US2306789A - Automatic weight regulator : en
  • US2306993A - Desulphurization of hydrocarbon oils : en
  • AU420942A - Means for overcoming disadvantage of break of gauge on railways : en
  • CH224988A - Caliber. : en fr
  • CH225024A - Process for the repair, after rupture, of a water pipe or of another fluid, and device for its implementation. : en fr
  • CA409670A - Web straightening means : en fr
  • PL31261B1 - A method for producing carbon disulfide and an apparatus for carrying out the method : en pl
  • SU62026A1 - DC motor : en ru
  • US2306436A - Motor support : en
  • US2306869A - Etched screen and process for its production : en
  • CA409574A - Composite panel and steel element : en fr
  • CA409605A - Motor control device : en fr
  • US2306874A - Liquid level : en
  • US2306905A - Machine for printing musical notation : en
  • BE447834A - : en
  • CH225059A - Electrodes consist. Equivalents of a capacitor made of a dielectric plate of rigid material with metallization applied to the two plate bases and insulated from one another by the plate edge surface : de en
  • CH225014A - Sawhorse combined with brushwood truss. : de en
  • CA409604A - Electric switch : en fr
  • US2306994A - Bumper for automobiles : en
  • US2306401A - Yarn production : en
  • PL31208B1 - : en pl
  • US2306610A - Fractionation of mixtures of hydrocarbons : en
  • US2306864A - Chair or seat structure and back cloth and antiscuff device therefor : en
  • USD134703S - Head guard for an electric dry shaver : en
  • CA409597A - Strap stretching device : en fr
  • CA409706A - Spring support for upholstered seats and back : en fr
  • CH224912A - Bay closing device. : en fr
  • GB550183A - Improvements in or relating to valves for fluid pressure systems : en
  • GB550229A - Improvements in or relating to the manufacture of brushes : en
  • US2306685A - Acoustical assembly : en
  • US2306996A - Plow : en
  • CA409603A - Collapsible tube : en fr
  • US2306626A - Luminescent composition : en
  • US2306780A - Glider for skaters : en
  • US2306567A - Fluorescent material and its manufacture : en
  • US2306817A - Elevator contkol system : en
  • CH225106A - Supply installation of an internal combustion engine. : en fr
  • GB550191A - Improvements in and relating to magnetic cores and methods of making the same : en
  • CH225103A - Process for producing a quaternary phosphonium compound. : de en
  • PL31266B1 - Daimler-Benz flktiengesellschaft, Stuttgart - Unterturkheim Invisible hinge for doors suspended in pairs on a common post, especially for motor vehicle doors : en pl
  • SU62115A1 - Method for producing antifouling paints : en ru
  • US2306659A - Typewriting machine and typewrit : en
  • CA409571A - Bomb and flare fuse firing device : en fr
  • PL31225B1 - Method for the production of guanidine perchlorate : en pl
  • PL31163B1 - : en pl
  • US2306518A - Means for identifying depositors of spurious coins : en
  • US2306538A - Sewed end valve bag : en
  • USRE22239E - Automatic weighing scale : en
  • US2306571A - Heat-treating furnace : en
  • CA409583A - Watch strap buckle : en fr
  • CH224956A - Shoe sole. : de en
  • CH224970A - File folder. : de en
  • PL31187B1 - flskania - Werke Aktiengesellschaft, Berlin Theodolite with a device for photographing the field of view and printing the positions of the dividing circle : en pl
  • US2306731A - Rubber hydrochloride compositions : en
  • US2306871A - Cross winding frame with continuous yarn feeding : en
  • US2306763A - Voltage control system : en
  • US2306827A - Apparatus for making metallic pipes and tubes : en
  • US2306423A - Grinding and cutting body : en
  • US2306602A - Chilling apparatus : en
  • US2306913A - Electric heating unit : en
  • USD134662S - Mastrangelo dining booth unit : en
  • US2306609A - Shoe : en
  • US2306698A - Agglomerating apparatus : en
  • CH224964A - Process for the production of carbonless paper. : de en
  • CH225077A - Voice frequency transmission system. : de en
  • GB550286A - Improvements in or relating to hydraulic jacks : en
  • US2306676A - Alloy : en
  • GB550261A - Improvements relating to friction clutches : en
  • PL31245B1 - A device designed for cars to prevent damage to fenders, headlights and other body parts when opening and closing the bonnet : en pl
  • US2306904A - Fluid control valve : en
  • US2306846A - Multiple disk brake : en
  • US2306949A - Safety device for punch presses : en
  • US2306383A - Coupler carrier : en
  • CA409567A - Ingot and casting apparatus : en fr
  • GB550241A - Improvements in and relating to ice trays for refrigerators : en
  • US2306640A - Fish lure : en
  • US2306649A - Method of separating metals from solutions : en
  • US2306936A - Process and apparatus for flashing in half tone : en
  • US2306783A - Electric cable testing device : en
  • CA409638A - Fibrous material producing apparatus : en fr
  • US2306911A - Eraser cleaner : en
  • US2306502A - Valve : en
  • US2306578A - Control apparatus : en
  • US2306794A - Snap action toggle : en
  • US2306914A - Knitted fabric and method of making the same : en
  • SU62042A1 - Timing generator system : en ru
  • PL31193B1 - A method of making cores from mass, consisting of a powdered, magnetizing metal : en pl
  • CA409668A - Insecticidal composition : en fr
  • US2306562A - Tripod for motion picture machines : en
  • US2306621A - Water discharge valve mount for water closets and the like : en
  • US2306749A - Amplifying system : en
  • US2306447A - Pitman : en
  • US2306730A - Friction coupling : en
  • CH225000A - Method for dynamic control when transmitting sound events. : de en
  • US2306694A - Card printing machine : en
  • US2307001A - Apparatus for producing castings : en
  • GB550271A - Improvements relating to calendering machines : en
  • GB550307A - Improvements in centrifugal pumps : en
  • DK60466C - Propulsion unit device for Motor vehicles with Rear engine. : da en
  • PL31264B1 - Alojzy Dobrzynski, Warschau and Waclaw Sobieranski, Warschau Wick fireplace of the lighting burner : en pl
  • US2306519A - Broiler-roaster : en
  • US2306971A - Improving lubricating oils : en
  • CA409590A - Convertible tandem bicycle : en fr
  • US2306481A - Variable fluid braking means : en
  • US2306808A - Electric discharge device : en
  • CA409658A - Pull-out hangrod : en fr
  • GB550251A - Manufacture and use of nitro dyes : en
  • US2306796A - Heater : en
  • US2306446A - Card compressor : en
  • PL31270B1 - The method of producing cellulose solutions : en pl
  • US2306989A - Cable reel guard : en
  • CA409620A - Electron discharge device and circuit : en fr
  • US2306799A - Shaft shielding : en
  • SU61989A1 - Scissors with hydraulic plunger drive : en ru
  • US2306811A - Method of charging blast furnaces : en
  • US2306449A - Process and apparatus for the conversion of molten metals or metal alloys : en
  • US2306768A - Control device : en
  • US2306795A - Block setter for baler : en
  • US2306960A - Shafting : en
  • US2306397A - Cushioning means : en
  • US2306457A - Measuring and recording apparatus : en
  • US2306651A - Process for producing polymerized rosin : en
  • US2306886A - Alloy and manufacture : en
  • US2306615A - Fastener and cutter-actuating device : en
  • US2306622A - Smoking pipe cleaning device : en
  • CH224971A - Foundry for stereotype plates. : de en
  • AU116439B2 - Improvements in or relating to ticket printing and issuing machines : en
  • CH225003A - Pivoting device of a timepiece moving body such as a rocker, hammer, column wheel, etc. : en fr
  • CH225078A - Device preventing the conclusion of prohibited telephone calls formed using the call disc of a pulse sender mechanism. : en fr
  • US2306408A - Magnesium primary cell : en
  • US2306582A - Electrical inductive apparatus : en
  • US2306902A - Tractor : en
  • GB550220A - Improvements in upholstery spring constructions : en
  • US2306798A - Cutting tool : en
  • CH224980A - Optical light meter for photographic use. : de en
  • US2306417A - Mechanical seal : en
  • US2306493A - Door guide : en
  • AU545142A - Improved holder for razorblades : en
  • CA409701A - Hydraulic control circuit and mechanism : en fr
  • US2306379A - Hydraulic power system : en
  • US2306788A - Shoe clamping unit : en
  • US2306803A - Tractor load-moving machine : en
  • US2306856A - Dual wheel vehicle : en
  • SU61996A1 - Device for determining the selectivity of radiation absorption of gaseous media and infrared spectral region : en ru
  • US2306900A - Multiform record assembly : en
  • BE447965A - : en
  • GB550192A - Improvements in or relating to the means for an improved method of sterilization in what are known as high pressure sterilizers : en
  • GB550294A - Improvements in or relating to devices for ascertaining the energy delivered or absorbed by a piston engine : en
  • US2306629A - Controller for electric motors : en
  • GB550196A - Improvements relating to means for releasably securing electric relays and the like to supports : en
  • GB550260A - Improvements in separators of the vortex type : en
  • US2306489A - Valve adjusting tool : en
  • US2306711A - Oil burner : en
  • GB550201A - Improvements in reels for winding, temporarily storing and delivering thread and the like : en
  • PL31216B3 - Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen m. B. H., Berlin Electric mercury lamp : en pl
  • PL31214B1 - Telecommunication device with a pulsating current-split impulse transmitter : en pl
  • US2306970A - Key retainer : en
  • US2306442A - Fusee : en
  • CA409580A - Luminoscope : en fr
  • CA409614A - Synthetic resin : en fr
  • CH224941A - Method and device for the gentle treatment of fiber material on a flat card. : de en
  • GB550305A - Improvements in or relating to deicing fluid distributing system for propellers : en
  • GB550184A - Improvements in extraction control devices on steam or gas turbines : en
  • GB550252A - Improvements in or relating to moulding and thermoplastic compositions and a process for the manufacture of products therefrom : en
  • GB550263A - Improvements in or relating to uniting metal members together by welding and the like : en
  • GB550190A - Method and apparatus for purifying steam : en
  • US2306495A - Tire valve : en
  • USD134716S - Design for a tractor hitch : en
  • US2306751A - Pumping apparatus : en
  • US2306899A - Alloy : en
  • US2306543A - Change-speed gear : en
  • US2306781A - Product containing siliceous fibers and method of making the same : en
  • US2307002A - Safety tubes or the like : en
  • US2306729A - Signaling system : en
  • US2306591A - Electric protective system : en
  • CH225002A - Lenticular network image giving a plastic effect. : en fr
  • SE106212C1 - : en
  • CH224992A - Device for determining the magnitudes of a magnetic field. : de en
  • US2306954A - Wood pencil with lead feeding mechanism : en
  • PL31229B1 - Method to prevent burnout in light metal cartridge cases : en pl
  • US2306507A - Brake control means : en
  • CH224947A - Process for changing the diameter of copper rollers for stuff printing. : de en
  • USD134682S - Mask for typewriting machines : en
  • CH225047A - Resistance. : de en
  • CA409584A - Reinforced concrete prestressing mechanism : en fr
  • PL31212B1 - International Standard Electric Corporation, New York, N. Y. Multi-circuit telephone cable, especially for carrier wave transmission : en pl
  • CA409553A - Tractor drag pan : en fr
  • US2306421A - Rustless iron : en
  • SU62175A1 - Device for eliminating uneven rotation of the workpiece when cutting threads on a lathe with the Ioganson-adjusted pitch : en ru
  • US2306589A - Observation window : en
  • US2306522A - Drilling apparatus : en
  • PL31207B1 - : en pl
  • US2306747A - Gun discharge registering device : en
  • US2306587A - Button and process of making same : en
  • CH224916A - Process for the production of electric fin heating elements. : de en
  • PL31183B1 - Vereinigte Eisenbahn — Signalwerke Gesellschaft mit beschrankter Haftung, Berlin — Siemensstadt Self-acting or semi-automatic block device for sections of single-track lines with two-way traffic : en pl
  • PL31202B1 - Imperial Chemical Industries Limited, London Bursting cartridge : en pl
  • PL31203B1 - Method of obtaining thyreotropic hormone : en pl
  • CH224999A - Procedure for marking magnetogram carriers. : de en
  • US2306407A - Television receiver : en
  • US2306467A - Long flame orchard heater : en
  • US2306891A - Chair base : en
  • CH224943A - Process for the production of a round active ingredient and device for carrying out the process : de en
  • CH225064A - Electric fluorescent tube with two bases and corresponding sockets. : de en
  • BE447875A - : en
  • SU62188A1 - Lubricant production method : en ru
  • US2306574A - Voltage regulating apparatus : en
  • GB550199A - Apparatus for use in the manufacture of barbed wire : en
  • GB550306A - Improvements relating to drills and to cutters therefor : en
  • SU62152A1 - Device for the beneficiation of gold sands : en ru
  • US2306556A - Acid resisting lining : en
  • CA409623A - Low-bounce contact device : en fr
  • US2306732A - Molding fixture : en
  • US2306577A - Pneumatically mounted tractor : en
  • US2306855A - Armature for dynamoelectric machines : en
  • US2306951A - Pump : en
  • USD134677S - Mask for typewriting machines : en
  • US2306402A - Lighted match extinguisher and receptacle : en
  • GB550216A - Improvements in and relating to electric arc furnaces : en
  • US2307006A - Friction member for clutch and brake : en
  • CA409653A - Frozen material : en fr
  • AU116447B2 - Improvements in or relating to spray devices : en
  • CH224932A - Cabinet that can be used as a desk. : de en
  • CH224958A - Method of preserving vegetables. : de en
  • AU133274B2 - Process forthe dehydrogenation of hydrocarbons : en
  • CA409611A - Induction meter : en fr
  • CH225101A - Welding blade. : de en
  • US2306965A - Apparatus for molding articles : en
  • CA409682A - Tube connection : en fr
  • US2306645A - Control switch for synchronized clutch mechanisms : en
  • US2306990A - Sealing arrangement for locomotive power units : en
  • GB550207A - Improvements in and relating to electric switchgear : en
  • PL31166B1 - : en pl
  • US2306396A - Truck : en
  • CH224965A - Carbon paper. : de en
  • PL31220B1 - Soldering iron : en pl
  • US2306384A - Hbatf-eesponsive element : en
  • USD134660S - Design for a garment hanger : en
  • GB550265A - Improvements relating to reaping and binding machines, harvesting machines and the like : en
  • US2306371A - Composition : en
  • US2306497A - Wire connector : en
  • US2306426A - Bag opening device : en
  • US2306693A - Medical short-wave measuring apparatus : en
  • PL31173B1 - : en pl
  • PL31240B1 - The method of making tinning rolls : en pl
  • US2306429A - Device for instructing students in flying : en
  • US2306985A - Filter device : en
  • GB550175A - Process for the anodic polishing of magnesium and of magnesium base alloys : en
  • US2306438A - Multiple deck cot : en
  • US2306753A - Cleaning mechanism for combines : en
  • US2307003A - Switch : en
  • GB550255A - Improvements in and relating to dynamo electric machines : en
  • CH225079A - High-frequency device, especially receiver, with tuning circuits that are tuned by changing the bias of ground core coils. : de en
  • CA409555A - Temperature controlled indicator : en fr
  • US2306568A - Quick breaking thermal relay : en
  • US2306723A - Power operated window regulator : en
  • US2306736A - Dynamoelectric machine : en
  • US2306509A - Gas detector : en
  • DK60464C - Device for two-stroke gas engines with intake of gas and air through the crankcase. : da en
  • US2306619A - Tool : en
  • CH225083A - Hand-held device for wrapping moistened adhesive strips around packs with a liquid container arranged in a handle and used to dispense moisture. : de en
  • US2306534A - Refrigerating system : en
  • US2306918A - Amine reaction product : en
  • PL31174B1 - : en pl
  • GB550171A - Circuit arrangements comprising at least one amplifier for amplitude modulated oscillations : en
  • GB550221A - Plant for producing powdered material : en
  • PL31195B1 - : en pl
  • US2306624A - Container for crab shells : en
  • US2306385A - Refrigeration apparatus : en
  • US2306865A - Overdrive control system : en
  • US2306483A - Curtain stretcher : en
  • US2306897A - Carburetor : en
  • US2306710A - Method of making bag frames : en
  • USD134665S - Design for a shoe : en
  • US2306569A - Electrolyte level control device for storage batteries : en
  • USD134670S - Design foe a handbag : en
  • BE448081A - : en
  • USD134711S - Design for a dress : en
  • US2306491A - Core bit : en
  • CA409704A - Yarn stapilizing apparatus : en fr
  • US2306969A - Refrigerated display case : en
  • GB550314A - Improvements in magnetic compasses : en
  • CH224915A - Device for heating liquids with a water tank designed as an attachment to stoves, etc. : de en
  • GB550178A - Improvements in or relating to high tension terminals : en
  • USD134713S - Design for a dress : en
  • GB550289A - Improvements in or relating to coupling devices for pipes or conduits : en
  • BE447848A - Large production machine tool installation. : en fr
  • CH225054A - Process for the production of cartridges consisting of a metal protective cover and an easily oxidizable metal. : de en
  • CH224977A - Drive device for the fire protection flap in motion picture projectors. : de en
  • CH225018A - Screwing element. : de en
  • CA409556A - Electric razor : en fr
  • AU418942A - Improvements in or relating to apparatus forthe concentration of ores : en
  • CA409663A - Water-repellent textile product : en fr
  • CA409683A - Refrigeration system : en fr
  • CA409689A - Booster pump for aircraft fuel systems : en fr
  • CH225012A - Machine tool. : en fr
  • CH225105A - Waterproof winder. : en fr
  • US2306658A - Apparatus for punching tie plates : en
  • CH224962A - Process for the preparation of the leuco sulfuric acid ester of a vat dye. : de en
  • CH224969A - Index sheet with attached memo plates. : de en
  • CH225051A - Process for the manufacture of electric discharge tubes which contain an electrode with a photoelectric surface. : de en
  • CH225009A - Press, particularly but not exclusively stamping press for precision work. : en fr
  • CA409698A - Brake control mechanism : en fr
  • CA409552A - Filter appliance : en fr
  • CH224963A - Method and device for regulating the flow of material to the paper machine. : de en
  • US2306642A - Terminal for rail bonds : en
  • CA409656A - Conveying apparatus : en fr
  • USD134709S - Design for an embroidered fabric or the like : en
  • PL31269B1 - Maschinen- und flrrnaturenfabrik vorm. C. Louis Strube flktiengesellschaft, Magdeburg-Buckau \ j% f \ ^ * 0 X Valve casing, consisting of pressed halves of sheet metal, joined by welding : en pl
  • CH225081A - Photoluminescent peel-off label and process for their production. : de en
  • CA409695A - Multiple fuse : en fr
  • GB550310A - Repeater and remote control systems : en
  • PL31263B1 - : en pl
  • CA409609A - Power stabilizing system : en fr
  • CA409664A - Water-repellent textile product : en fr
  • US2306662A - Alloy : en
  • GB550214A - Improvements in and relating to clothing for use in fabric brushing machines : en
  • PL31164B1 - The method of bleaching lye fibers : en pl
  • GB550274A - A new and improved method of packing safety razor blades : en
  • US2306388A - Tow bar : en
  • US2306739A - Locking mechanism for well drilling rotary : en
  • US2306517A - Barbecue spit : en
  • US2306675A - Alloy : en
  • ES142404A3 - A process of making molds to obtain relief effects in fabrics that present hair or curl. : en es
  • US2306834A - Power transmission : en
  • US2306503A - Form for molding concrete structures : en
  • US2306400A - Infusion package heat sealing filter-paper manufacture : en
  • IT400973B - : it
  • PL31230B1 - Luz-Bau G. m. B. H., Berlin-Charlottenburg Bomb-proof shelter : en pl
  • US2306689A - Voice-operated switching circuit for two-way telephony : en
  • US2306797A - Attachment for ladders : en
  • USD134674S - Combined display stand and perfume bottles : en
  • US2306656A - Optical television : en
  • US2306667A - Alloy : en
  • PL31238B1 - : en pl
  • CA409569A - Combination tri-square and tee-bevel : en fr
  • CH224968A - Suspension device for document containers on filing frames. : de en
  • CH225070A - Process for the production of progesterone. : de en
  • US2306487A - Adhesive : en
  • US2306750A - Apparatus for indicating and controlling the amount of strip in looper pits : en
  • US2306820A - Sound signal apparatus : en
  • US2306720A - Filtering plant : en
  • USD134708S - Design for a jacket : en
  • CA409581A - Combine auxiliary feed device : en fr
  • BE447907A - Method for increasing the concentration of already concentrated calcium nitrate solutions : en fr
  • PL31197B1 - Method of producing a loading material for the production of liquid for the enrichment of minerals, e.g. coal in heavy liquids : en pl
  • CH225062A - Arc lamp with high-melting electrodes arranged immovably relative to one another. : de en
  • US2306709A - Electric bolt heater : en
  • CA409607A - Power regulating system : en fr
  • US2306630A - Ornamental wheel disk and means for mounting same : en
  • US2306887A - Protective covering paste : en
  • PL31169B1 - Daimler-Benz flktiengesellschaft, Stuttgart-Unterturkheim Suspension of oscillating axle shafts with variable wheel spacing for motor vehicles : en pl
  • US2306973A - Container closure : en
  • CH224960A - Alkaline reactant. : de en fr
  • US2306653A - Process for refining pine oleoresin : en
  • US2306714A - Carbonating apparatus : en
  • GB550291A - Improvements in or relating to focussing attachments for miniature cameras : en
  • US2306606A - Apparatus for determining the rate of hydrocarbon conversion : en
  • US2306435A - Frequency compression : en
  • US2306907A - Coil form and the like : en
  • CA409608A - Magnet gearing : en fr
  • US2306612A - Pipe connection for pressure vessels : en
  • US2306761A - Thermostatically controlled lubricator : en
  • US2306476A - Gun-laying mechanism : en
  • US2306611A - Cord take-up and control apparatus : en
  • US2306390A - Pile fabric and method of making same : en
  • US2306620A - Burr remover for multiple strip forming devices : en
  • PL31218B3 - W. Karpinski & W. Leppert, Warschau and Janina Lunkiewiczówna, Warschau Nitrocellon for saturation of canvas in aircraft structures with reduced flammability of the produced membrane : en pl
  • PL31258B1 - Westfalia Dinnendahl Groppel flktiengesellschaft, Bochum Drive unit for shock sieves : en pl
  • CH225084A - Closure on containers for liquids and pastes. : de en
  • US2306410A - Color development : en
  • US2306547A - Preparation of phytosterol glucosides : en
  • US2306859A - Radio receiving circuit : en
  • AU321341A - Improvements in and relating to washing machines : en
  • US2306526A - Method of making heat exchange elements : en
  • CA409647A - Photographic composition : en fr
  • CH225029A - Two-stage pressure generator. : de en
  • CA409628A - Air-cooled transformer : en fr
  • US2306458A - Measuring and recording apparatus : en
  • AU116452B2 - Waterproof and fireproof mineral cork : en
  • CH225093A - Wheel casing insert. : de en
  • DK60467C - Auxiliary drive device for Bicycles and similar pedal-driven Vehicles. : da en
  • GB550198A - Tray or table attachment for metal casualty stretcher : en
  • US2306380A - Feed for cigar bunch machines : en
  • US2306825A - Bowling alley backstop : en
  • CA409563A - Steerable caster type tail wheel : en fr
  • PL31235B1 - Olga Uhlendorff, b. Engelhardt, Berlin Electrically heated furnace with bucket hood and air circulation for heat treatment of light metals : en pl
  • CA409612A - Coffee maker : en fr
  • US2306603A - Striping tool : en
  • US2306520A - Grating structure : en
  • CH225046A - Circuit arrangement for remote transmission of commands or control commands. : de en
  • CH225017A - Extinguishing cup for lit cigarettes. : de en
  • CH224972A - Multi-digit tab device on office machines, in particular on electromagnetically operated accounting machines. : de en
  • PL31196B3 - Method for producing o- and p-aminoarylsulfones : en pl
  • US2306791A - Electric valve circuit : en
  • USD134712S - Design for a dress : en
  • US2306655A - Soybean flaking machine : en
  • US2306894A - Cash register : en
  • CA409654A - Frozen material : en fr
  • CA409575A - Internal combustion engine : en fr
  • US2306915A - Egg carton or container : en
  • CH224946A - Device with at least one felt calender for the shrink treatment of moving textile webs. : de en
  • CA409662A - Water-repellent textile product : en fr
  • CH224937A - Container. : en fr
  • PL31198B1 - The method of obtaining concentrated, aqueous, stable solutions of theophylline : en pl
  • US2306559A - Electric incandescent bulb : en
  • CH224990A - Device for measuring the speed of rotation of a rotating body. : de en
  • US2306454A - Boat anchor : en
  • US2306564A - Typewriting machine : en
  • US2306456A - Measuring and recording apparatus : en
  • US2306537A - Trailer canopy : en
  • CA409629A - Power transformer : en fr
  • CA409661A - Water repellent cellulose containing material : en fr
  • US2306721A - Glass fabricating machinery : en
  • CH224954A - Slider for zippers. : de en
  • US2306696A - Speed responsive control device : en
  • AU116453B2 - Improvements in and relating to washing machines : en
  • PL31243B1 - A method of melting thermoplastic and fusible masses and a device for carrying out this method : en pl
  • US2306942A - Lubricator : en
  • CA409606A - Power regulating system : en fr
  • CA409666A - Isocyanate manufacture : en fr
  • CH224998A - Key setting unit for electrically driven calculating, adding or accounting machines. : de en
  • GB550237A - Improvements in or relating to coating compositions comprising resinous vehicles : en
  • GB550311A - Improvements in and relating to current transformers : en
  • USD134663S - Design fob a badge ob sdbilab article : en
  • CA409577A - Valve cap holder : en fr
  • US2306590A - Direction signaling device for vehicles : en
  • CH224930A - Gasifier for supplying internal combustion engines. : en fr
  • BE448044A - : en
  • US2306548A - Apparatus for molding : en
  • US2306682A - Rug stretcher machine : en
  • US2306531A - Telephone coin collector : en
  • CH225034A - Reversing device on internal combustion engines. : de en
  • CH225055A - Capacitor. : de en
  • US2306870A - Process for preventing the formation of gums and resins in organic liquids containing unsaturated hydrocarbons : en
  • AU116443B2 - Improvements in or relating to apparatus forthe concentration of ores : en
  • CH224936A - Liquid container that can be closed with a slide and emptied by tilting. : de en
  • CH225099A - Infeed and eject device on threshing drums. : de en
  • CA409566A - Receiving receptacle : en fr
  • PL31204B1 - United Nitrogen Factories in Moscice and Chorzowfe, T Moscice *) jiqq Constant pressure tank for burrowing gases : en pl
  • PL31256B1 - : en pl
  • US2306599A - Nu-acylurethanes and their manufacture : en
  • CH224909A - Method for producing a ceiling structure and ceiling structure produced by the method. : de en
  • CH225067A - Method of making replacement chewing tools. : de en
  • US2306702A - Refrigerating apparatus : en
  • US2306901A - Display device : en
  • CH225035A - Gas turbine plant. : de en
  • CH224952A - Linen turn-down collar. : de en
  • CH225028A - Multi-cell compressor with the slide gate supported by races and the largest cell spaces below the rotor. : de en
  • USD134710S - Design for a dress : en
  • US2306466A - Winding apparatus : en
  • US2306660A - Process for handling materials : en
  • US2306807A - Boring saw : en
  • US2306991A - Automatic volume control : en
  • US2306452A - Temporary shutoff for changing valves and plug cocks in pipe lines : en
  • US2306501A - Web feeding device : en
  • US2306479A - Measuring apparatus : en
  • CH224959A - Process for the production of dialysis membranes for alkaline liquids. : de en
  • GB550312A - Improvements in fluid-sealing and dust-excluding devices for shafts, bearings and the like : en
  • CH224995A - Fully automatic bookkeeping machine for labeling an accounting facility. : de en
  • US2306494A - Mechanical pencil : en
  • CA409675A - Resilient mounting : en fr
  • CH225020A - Balancing process and balancing device for the completion of rotary bodies with hub bodies and interchangeable links that can be cyclically displaced on the hub body, especially for propellers. : de en
  • GB550290A - Improvements in line-throwing apparatus : en
  • CA409697A - Air or gas cleaning apparatus : en fr
  • CA409652A - Leaf assembly : en fr
  • CA409667A - Pattern fabric production : en fr
  • US2306480A - Refrigerator, air cooler, and the like : en
  • US2306470A - Resurfacing machine : en
  • PL31219B1 - A method of cleaning the resin : en pl
  • GB550217A - Improvements in or relating to electric relay or indicator devices : en
  • GB550236A - Improvements in methods of making composite articles of the type comprising wire coils embedded in thermoplastic polymeric material : en
  • US2306708A - Bullet shield for firearms : en
  • US2306418A - Variable speed transmission : en
  • US2306532A - Time controlled automatic circuit selecting device : en
  • US2306648A - Magnetic separator : en
  • US2306937A - Rubber article and method of making the same : en
  • GB550233A - Improvements in or relating to the setting of tags or like articles : en
  • PL31177B1 - A method of producing protective coatings from inorganic binders, such as cement, magnesium chloride or water glass, on metal products, especially iron pipes provided with a layer of terrestrial or bitumen : en pl
  • US2306498A - Clamping device : en
  • CH224908A - Planter. : de en
  • US2306549A - Automatically adjustable cam-operated ignition circuit breaker : en
  • US2306916A - Locomotive driving box : en
  • CH224978A - Cinema equipment. : de en
  • CA409613A - Gas atmosphere producing apparatus : en fr
  • US2306925A - Electrode and its fabrication : en
  • PL31168B1 - : en pl
  • CH224903A - Drive wheelless, their motor self-supporting tiller. : de en
  • GB550176A - Improvements in and relating to the treatment of magnesium and of magnesium base alloys : en
  • US2306593A - Welding apparatus : en
  • US2306818A - Petroleum heater : en
  • US2306472A - Garment press : en
  • CH224942A - Shuttle for looms with automatic replacement and threading of bobbins. : de en
  • CH225022A - Resilient coupling. : de en
  • US2306872A - Method of carroting fur and composition for use therein : en
  • CA409582A - Shoe and insole : en fr
  • US2306790A - Film : en
  • US2306528A - Bearing structure : en
  • US2306975A - Fastener and fastener installation : en
  • CA409573A - Tire casing treading method : en fr
  • GB550228A - Improvements in coin-controlled vending machines : en
  • US2306977A - Internal combustion engine : en
  • GB558371A - New or improved locking device for cycle tyre inflators : en
  • BE447856A - Method and apparatus for dehydrating laundry detergents : en fr
  • US2306823A - Lubricating system : en
  • PL31217B1 - Device for delaying the firing of automatic firearms : en pl
  • CA409679A - Stocking knitting method : en fr
  • US2306625A - Hydraulic centrifuge : en
  • US2306972A - Mount for telescopic sights : en
  • CH225089A - System for driving means of transport. : de en
  • CH225110A - Underwater tank. : de en
  • US2306727A - Ventilator : en
  • US2306852A - Vibration damping means for rotating members : en
  • USD134680S - Design for a luggage lock or similar article : en
  • GB550264A - Improvements in or relating to a method of and apparatus for drawing sheet glass : en
  • US2306607A - Web drying method and device : en
  • US2306623A - Directional radio beacon : en
  • CA409707A - Bushing extractor : en fr
  • CH225031A - Receiver for regulating the water level of a basin. : en fr
  • US2306898A - Target for ring toss games : en
  • GB550257A - Improvements in variable pitch propellers, fan blades and the like : en
  • US2306692A - Fishing lure : en
  • USD134679S - Design fob a combined garden hoe and weeder : en
  • US2306398A - Spring group : en
  • CA409619A - Paper of good wet strength : en fr
  • US2306705A - Pot holder : en
  • USD134683S - Design for a badge : en
  • PL31262B1 - : en pl
  • US2306647A - Kelly driver assembly : en
  • CA409565A - Protector for linoleums, floors, walls and furniture : en fr
  • GB550275A - Improvements relating to refrigerating machinery : en
  • GB550295A - Improvements in or relating to hot-tops for ingot moulds : en
  • AU292341A - Improvements in or relating to ticket printing and issuing machines : en
  • CA409669A - Power transmission synchronizing coupling mechanism : en fr
  • CH224911A - Device on windows of heated rooms to reduce heat loss. : de en
  • CH225104A - Process for producing a quaternary phosphonium compound. : de en
  • US2306451A - Cellulose derivatives : en
  • PL31160B1 - A method of producing indophenol compounds of the naphtocarbazole series : en pl
  • US2306875A - Electron discharge apparatus : en
  • US2306581A - Method of sealing packages : en
  • CA409644A - Photographic composition : en fr
  • CH225068A - Toothpick with protective cover. : de en
  • USD134689S - Design for a table : en
  • GB550315A - Sheet feeding machine : en