• US2155425A - Electric stove or the like : en
  • US2155771A - Control for the unreeling of coiled material from drums : en
  • USD114436S - Design for a combined washing : en
  • US2155394A - Method of and apparatus for making heat exchanging elements : en
  • US2156174A - Drip pan for flush tanks : en
  • US2155900A - Slub catcher or yarn cleaner : en
  • AT155971B - Process for the production of high-gloss hollow bodies from cellulose products with the character of acetyl cellulose. : de en
  • AU107191B2 - Improvements in protective devices for electric incandescent lamps : en
  • AT155983B - Mouse trap with a springboard-shaped rocker switch located above a trap. : de en
  • US2155957A - Device for determining the genunieness of bank notes, etc. : en
  • US2156088A - Multielement electron discharge apparatus and system : en
  • CH204247A - Means for protecting goods during their storage or transport. : de en
  • CH204372A - Combination light source. : de en
  • AU447638A - Method and apparatus for obtaining photographs giving the impression of relief : en
  • CA380896A - Drilling fluid : en fr
  • CH204315A - Burner for pyrophoric lighters. : de en
  • DK56086C - Tanning Procedure. : da en
  • DE674925C - Three-phase short-circuit rotor motor working on a common shaft with a slip ring rotor motor with a smaller number of poles : de en
  • US2156162A - Air conditioning apparatus : en
  • US2155497A - Transforming alternating rectilinear movement into continuous rotary movement : en
  • US2155852A - Electric toaster : en
  • US2155906A - Vulcanizer : en
  • FR840602A - Star cylinder engine, air cooled, in particular for vehicles : en fr
  • US2155720A - Well strainer : en
  • US2155776A - Compression ignition engine : en
  • PL28130B1 - A tank made of armored shapes. : en pl
  • PL28171B1 - A method of restoring the roundness of valves with a sleeve shape or other cylindrical objects. : en pl
  • PL28246B1 - A device protecting utility water installations of railway cars against freezing. : en pl
  • US2156166A - Manhole cover : en
  • US2155562A - Differential pinion gauge : en
  • US2156024A - Electric switch : en
  • CH204217A - Device for evenly moistening fabric or paper webs. : de en
  • CH204305A - Hand tie for feeding wood to woodworking machines. : de en
  • PL28222B1 - A method of obtaining solid food products from ground roasted coffee, cocoa or chocolate, mixed with colorless edible fat and with sugar and other additives, in the form of powder or shapes ready for direct use. : en pl
  • USD114509S - Design fob a lace tablecloth : en
  • GB504690A - Improvements in and relating to electron discharge devices having metal envelopes : en
  • US2155521A - Front wheel suspension for motor vehicles : en
  • US2155839A - Weed-pulling appliance : en
  • AT156007B - Method and device for producing cinematographic recordings with a projected background. : de en
  • US2156129A - Carburetor : en
  • USRE21055E - Sheet feeding machine : en
  • US2156172A - Rail punch : en
  • US2155542A - Ferrule expanding tool : en
  • USD114472S - Design for a combined appointment : en
  • CH204283A - Centrifugal regulator. : en fr
  • US2155570A - Focusing mechanism : en
  • US2155818A - Brake : en
  • DE674230C - Valve control for internal combustion engines : de en
  • CH204403A - Sleeve for replacing automobile wheels for horse-drawn vehicle wheels. : en fr
  • GB504602A - Improvements in magnesium alloys : en
  • GB504640A - Improvements in or relating to boiling plates for electric cookers : en
  • FR840645A - Apparatus and device making it possible to immediately know different conditions of the same object and in particular its application to tariffs and current prices : en fr
  • GB504701A - A combined picnic bag or carrier and back-rest : en
  • CA380925A - Steam plant : en fr
  • GR8177B - FAST IRON INDUSTRIAL. : el en
  • AU107201B2 - Device for facilitating the construction of concrete piles moulded inthe ground : en
  • AT156029B - Arrangement for remote control by briefly interrupting the mains voltage. : de en
  • AU169539A - Gas-tight joint between the electrode andthe ceramic body : en
  • GB504665A - Improvements in or relating to methods of, and means for, glazing roofs : en
  • AU107204B2 - Improvements in or relating to telephone transmitters : en
  • CH204198A - Frame for interchangeable insoles. : de en
  • AT155975B - Process for the complete recovery of the sulphurous acid resulting from the sulphite pulp cooking process. : de en
  • AT156026B - Method for the electrical remote control of mechanical devices wirelessly or with the aid of a line. : de en
  • CH204285A - Episcope. : de en
  • US2155885A - Glass cutter : en
  • US2156077A - Automatic selectivity control : en
  • US2155816A - Starting and operating circuit for gaseous electric discharge devices : en
  • US2156110A - Flush cover access opening : en
  • GB504472A - Improvements in or relating to collapsible gates, shutters or the like : en
  • PL28196B1 - Device for determining the speed and direction of flight of an air target or elements of arrows for anti-aircraft guns. : en pl
  • SU54735A1 - Turbine paddle insert : en ru
  • USD114434S - Design for a glove : en
  • DE675088C - Fuel lock for solid, in particular log fuel : de en
  • FR840517A - Process for obtaining metallic magnesium by treating magnesium chloride at high temperature with hydrogen : en fr
  • US2155704A - Stabilization of per compounds : en
  • US2156028A - Side seam for sheet metal can bodies : en
  • USD114505S - Design for a dress ensemble : en
  • US2156039A - Process of chlorinating methane and the homologues thereof : en
  • FR840395A - Amplifier systems : en fr
  • FR840398A - Removable suspension system for objects of all kinds : en fr
  • GB504293A - Improvements in and relating to radio direction or position finding : en
  • GB504455A - Method of selecting electric waves without the use of resonance : en
  • PL28172B1 - : en pl
  • USD114521S - Design for a bookmark : en
  • AU153838A - Improvements in or relating to telegraph systems : en
  • CH204276A - Damping device, in particular for measuring instruments. : de en
  • CA380929A - Metal rolling process : en fr
  • FR840542A - Pedals for bicycles : en fr
  • US2155387A - Map : en
  • US2155942A - Dyeing process and compositions therefor : en
  • USRE21058E - Rivet and method of setting : en
  • PL28275B1 - The frequency amplifier is reduced with a negative reaction, extending the transmission dynamics. : en pl
  • US2155378A - Asparagus sorting machine : en
  • GB504494A - Improvements in sprinkler closures for canisters and the like : en
  • US2155769A - Reel : en
  • FR840412A - Autoclave valve : en fr
  • CH204290A - Watch movement. : en fr
  • US2156021A - Steel tent peg : en
  • GB504523A - Improvements in or relating to apparatus for converting direct current to periodic varying current : en
  • US2155683A - Glazing hammer : en
  • AT155962B - Welding process for collector plates made of lead-calcium alloys. : de en
  • CH204219A - Centrifuge. : de en
  • DE674860C - Ship wave jacks : de en
  • US2155403A - Method of making insulated wire : en
  • US2156119A - Control device for heat generating apparatus : en
  • GB504688A - Toy cooking stove : en
  • US2156150A - Ladder and like webbing and method of producing the same : en
  • DE674850C - Fountain pen with a replaceable ink container : de en
  • AU177439A - Impulse generating system : en
  • DE675049C - Hard fabric made of synthetic resin and artificial silk : de en
  • FR840465A - Fast running internal combustion engine, in particular for motor vehicles and airplanes : en fr
  • FR840524A - Power transmission device : en fr
  • FR840334A - Precision automatic balance : en fr
  • GB504707A - Improvements in and relating to linear-dimension measuring apparatus : en
  • US2155916A - Conveyer roller : en
  • PL28132B1 - Manufacturing method from olefins of the above boiling saturated aliphatic hydrocarbons. : en pl
  • US2155611A - Fan : en
  • USD114447S - Design for a novelty pin : en
  • DK56085C - Procedure and Plant for Waste Incineration. : da en
  • US2155754A - Gas carburetor : en
  • US2156155A - Toy structural material : en
  • CA380994A - Mineral wool product making apparatus : en fr
  • FR840570A - Four-stroke, compression-ignition internal combustion engine : en fr
  • FR840481A - Process for manufacturing mineral wool fibers, and in particular slag wool fibers : en fr
  • DE674840C - Process for the manufacture of polarizing filters : de en
  • GB504679A - Improvements in or relating to safety razors : en
  • DE675166C - Gear change transmission with three or more gearboxes for motor vehicles : de en
  • GB504540A - Improvements in or relating to angle thermometers : en
  • GB504466A - Improvements in or relating to the coagulation of aqueous dispersions of polymers of 2-halogeno-1 : 3-butadiene : en
  • GB504611A - Slicing apparatus : en
  • DK56098C - Automatic firearm. : da en
  • GB504543A - Improvements in or relating to hard metal alloys : en
  • GB504711A - Improvements in signal-receivers for carrier-telephony systems : en
  • FR840525A - Improvements to grinding machines : en fr
  • CA380915A - Gas and liquid separator : en fr
  • CA380982A - Closure device : en fr
  • DE674988C - Device for the extraction of silver from photographic fixing balls : de en
  • PL28226B1 - High-pressure internal combustion engine with pre-ignition chamber. : en pl
  • US2155459A - Polymethine dyestuffs and a process of making same : en
  • AT156027B - Photographic camera. : de en
  • CH204395A - Backpack. : de en
  • GB504475A - Improvements in and relating to doors and securing means therefor, for fluid containers : en
  • US2155445A - Manufacture of hexylresorcinol capsules : en
  • CA380938A - Direct metal casting apparatus : en fr
  • CH204336A - High-speed internal combustion engine. : de en
  • CH204392A - Device for driving a moving part of a sign. : en fr
  • FR840496A - Railroad lifting process : en fr
  • US2155380A - Packer lock : en
  • US2155572A - Manufacture of shoes : en
  • US2156140A - Glove construction : en
  • GB504451A - Improvements in spinning or twisting spindles : en
  • GB504559A - Improvements in or relating to the manufacture of electrolytic condensers : en
  • FR840372A - Improvement at the joints of mobile dams : en fr
  • GB504342A - Improvements in pit props : en
  • FR840616A - Means used to keep rubber mats with spongy soles the exact shape of any covered profiles : en fr
  • GB504501A - Printing telegraph automatic exchange system : en
  • AU107209B2 - Improvements in collapsible crates, boxes and the like : en
  • FR840593A - Rotating screen strobe : en fr
  • US2155487A - Paper can body : en
  • US2156046A - Paper window shade capable of transmitting light uniformly : en
  • PL28203B1 - A transmitting and receiving radio station, designed for simultaneous two-way correspondence with a duplex system. : en pl
  • US2155938A - Tractor wheel : en
  • US2156037A - Container closing mechanism : en
  • USD114520S - Design for a textile fabric : en
  • US2155581A - Machine for use in applying heels to shoes : en
  • US2155881A - Aircraft : en
  • FR840340A - Device for reaching and locking or unlocking nuts located at a distance : en fr
  • GB504608A - Improvements in and relating to piston rings : en
  • DE674865C - Ink feed device for two or more drum stencil printer : de en
  • DE675078C - Multi-part label made of sheet metal for electrical devices : de en
  • US2155947A - Bottle opener : en
  • US2156132A - Carburetor : en
  • FR840336A - Electric contactor with manual auxiliary control : en fr
  • US2155950A - Controlling apparatus for an internal combustion engine : en
  • GB504409A - Improvements in or relating to tables and the like articles of furniture : en
  • DE674852C - Contactor box strip : de en
  • DE675014C - Anesthetic machine, especially for aetheric anesthesia : de en
  • GB504563A - Improvements in or relating to ball and socket joints : en
  • FR840374A - Method and apparatus for tempering glass sheets : en fr
  • GB504713A - Improvements relating to packeted articles : en
  • GB504807A - Process for enamelling metal sheets particularly applicable to decorative coverings : en
  • FR840418A - Disengageable flange coupling for flanges of different diameters and with centering ring movable on the smaller diameter flange : en fr
  • GB504784A - Improvements relating to dust extractors and the like : en
  • US2155748A - Rake classifier : en
  • DE675031C - Procedure to ensure the sterility of catgut : de en
  • US2155951A - Coin divider : en
  • US2156148A - Locking device for lazy tong structures : en
  • FR840305A - Concealed hinges, especially for motor vehicle doors : en fr
  • US2155785A - Cement dump bailer : en
  • USD114473S - Design for a vaporizing machine : en
  • GB504923A - Improvements in or relating to electric current supply arrangements : en
  • US2155808A - Gate latch : en
  • DE675122C - Plaett trough with firing arranged under the trough : de en
  • FR840327A - Universal grenade with safety device : en fr
  • GB504669A - Improvements in or relating to circular knitting machines of the double axially opposed needle cylinder type : en
  • US2155493A - Monoazo dyestuffs : en
  • US2155887A - Dispenser : en
  • US2156131A - Utility cabinet : en
  • US2155858A - Refractory material : en
  • PL28191B1 - Aluminum alloy for the production of machine parts with sliding motion. : en pl
  • GB504408A - Improvements in or relating to indicators for displaying variable information : en
  • PL28265B3 - : en pl
  • PL28280B1 - The method of processing casein fibers. : en pl
  • US2155705A - Adjustable template means : en
  • US2156007A - Supporting device for revolving flat cards : en
  • PL28146B1 - Device for extracting dust from gases. : en pl
  • FR840558A - Chair : en fr
  • US2155715A - Adjustable plow hitch : en
  • US2156237A - Container closure construction : en
  • GB504728A - Improvements in or relating to carpet sweepers : en
  • AU149438A - Improvements in metallic screens and processes of making them : en
  • US2155466A - Tool for applying emergency chains to automobile tires : en
  • CH204178A - Evaporation device for radiators etc. : de en
  • GB504571A - Improvements in or relating to the treatment of polymerised organic compounds : en
  • GB504593A - Improvements in or relating to refrigerating plants comprising piston operated compressors : en
  • US2155794A - Apparatus for playing a game of skill : en
  • US2156180A - Rotary engine : en
  • US2156204A - Dipping machine : en
  • PL28174B1 - A method of local heat generation and an apparatus for carrying out the method. : en pl
  • US2155691A - Tubular heating element for furnaces or the like : en
  • US2155823A - Concrete box joint : en
  • CA380996A - Compound roller manufacture : en fr
  • DE674934C - One-way clutch : de en
  • GB504478A - Improvements in the manufacture and production of vat dyestuffs of the dibenzanthrone series : en
  • DE675046C - Circuit arrangement for charging accumulator batteries in power supply systems with individual battery operation, in particular for telephone systems : de en
  • AU107187B2 - Improvements in metallic screens and processes of making them : en
  • US2156013A - Battery terminal connection clamp : en
  • CH204254A - Ultraviolet absorbing filter layer, particularly on a light-sensitive photographic layer in black and white and color photography. : de en
  • CA380955A - Cellulose ether : en fr
  • DE673734C - Circuit arrangement for telephone systems with subscriber stations, in which an influencing of the listener of the own station by the microphone currents is prevented by means of a compensation circuit : de en
  • BE433555A - : en
  • PL28126B1 - The method of curing parts of the carcass or its organs. : en pl
  • US2155861A - Duplicating ink and method of making the same : en
  • GB504336A - Improvements in and relating to supporting surfaces for aircraft : en
  • AU107200B2 - Improvements in electric incandescent lamps : en
  • CH204386A - Toilet case. : de en
  • AU107145B2 - Synchronisation of disc scanning means : en
  • CH204234A - Method for representing a connection of the adrenal cortex hormone series. : de en
  • US2155836A - Insulator : en
  • US2155944A - Supporting apparatus for venetian blinds : en
  • US2156023A - Hypodermic and other syringes : en
  • FR840383A - Presentation and demonstration device : en fr
  • FR840455A - Independent front wheel suspension for automobiles : en fr
  • DE675108C - Mobile concrete mixer and distributor for the production of side banks of concrete roads : de en
  • FR840640A - Improvement in pressure measuring devices : en fr
  • GB504569A - Manufacture of benzene hexachloride : en
  • FR840459A - Dyeing and printing process : en fr
  • GB504326A - Improvements in and relating to the sealing of cartons and the like : en
  • GB504814A - Improvements in shooting game apparatus : en
  • PL28258B1 - A strip of roofing felt for roofing, a double layer of roofing felt and the arrangement of these stripes. : en pl
  • US2155757A - Emulsifiers and process of producing the same : en
  • US2155997A - Typewriting machine : en
  • FR840574A - Process for converting cellulose ethers, products obtained by this process and their use : en fr
  • CH204242A - Process for the production of a new dye. : de en
  • CH204414A - Roof frame for passenger vehicles with sliding roof. : de en
  • US2155679A - Towel dispenser : en
  • DE674867C - Arrangement for secret telephony : de en
  • PL28169B1 - Flowmeter with a vane impeller. : en pl
  • USD114507S - Design for a dress ensemble : en
  • AU107155B2 - Improvements in or relating to electron discharge devices of the non-microphonic type : en
  • CH204428A - Propulsion system on aircraft. : de en
  • AU99838A - Improvements in and relating tothe method of fuelling of internal combustion engines of compression ignition type : en
  • CH204308A - Pantographic device for profiling a grinding wheel. : en fr
  • GB504397A - Improvements in and relating to apparatus for grinding material in a more or less viscid condition : en
  • GB504493A - Aeroplane : en
  • USD114516S - Design for a necklace : en
  • USD114439S - Design fob a combined scale ejector : en
  • US2156040A - Fluid coupling : en
  • CH204380A - Process for preparing an aminobenzenesulfonic acid amide compound. : de en
  • AT155960B - Soldering metal for soldering metal parts in electric vacuum vessels, in particular electric incandescent lamps and discharge lamps. : de en
  • CA12354S - Tyre tread : en
  • CH204394A - Lying facility. : de en
  • PL28264B1 - Manufacturing method by welding liquid gas tanks. : en pl
  • AU190038A - Improvements in current supply arrangements for use in telephone systems : en
  • GB504290A - A device for reinforcing openings in plywood structures : en
  • GB504732A - Atomizers for hydrocarbons : en
  • AU149638A - Improvements in processes of producing pitted surfaces for printing plates andthe like andthe products thereof : en
  • USD114464S - Design fob an electric iron : en
  • USD114487S - Design fob an ophthalmic : en
  • CH204244A - Process for the production of artificial leather, linoleum-like covering and covering materials and the like. : de en
  • DE674902C - Processing machine for clay or the like. : de en
  • US2155550A - Valve construction : en
  • DE674870C - Changeover switch moved from a central position with two mutually locked push buttons : de en
  • AU107192B2 - Rolling mills : en
  • PL28147B1 - Impact fuse for hand grenades. : en pl
  • US2155580A - Lift truck : en
  • US2155734A - Lock tumbler : en
  • USD114444S - Design fob a doctor s cabinet ob the : en
  • DE675135C - Electric switch cell : de en
  • FR840366A - Air bomb upgrades : en fr
  • CA380902A - Receptacle filling machine : en fr
  • GB504474A - Improvements in and relating to fastening devices for ships cabin doors : en
  • US2155496A - Attaching button : en
  • DE674957C - Device for the production of a wool-like, warpable sliver from endless synthetic fibers : de en
  • US2156130A - Compositions for fluid transmission of power : en
  • DE674919C - Circuit breaker with a contact lagging behind the main contacts when switched off : de en
  • FR840414A - Use of acetylene gas as fuel in internal combustion engines : en fr
  • US2155645A - Separation of wax from oil : en
  • US2155809A - Saw grinding machine : en
  • FR840433A - Fertilizer distributor : en fr
  • GB504787A - A combined coal and gas stove with hot water apparatus : en
  • US2155926A - Locomotive : en
  • US2156089A - Chuck : en
  • US2156090A - Method of treating fabrics : en
  • CA380891A - Milk distribution apparatus : en fr
  • US2155513A - Hinge mechanism for the moving or control surfaces of aircraft : en
  • DE674887C - Polyphonic electric musical instrument with self-dialing device : de en
  • DE675028C - Step switches, in particular cord switches or built-in switches : de en
  • FR840315A - Production process for varnished or lacquered shaped bodies : en fr
  • FR840573A - Improvements to electronic multipliers : en fr
  • FR840600A - Enhancements to gain control devices in high frequency amplifiers : en fr
  • GB504662A - Improvements relating to tilting conveyor tables for use in connection with rolling mills : en
  • US2155560A - Carburetor : en
  • USD114503S - Design for a ribbon : en
  • FR840354A - Adhesive tape set for musical use : en fr
  • DE674858C - Fourdrinier machine for the production of insulating or hard construction panels from fiber pulp : de en
  • PL28261B1 - A device for transformation by pressing hollow metal bodies, especially aluminum ones. : en pl
  • GB504473A - Improvements in or relating to knitting machines : en
  • GB504301A - Improvements in or relating to the treatment of polymerised organic compounds : en
  • GB504462A - Improvements relating to mercury switches for electric circuits : en
  • DE674829C - Electric collector : de en
  • DE674982C - Collapsible table, stool, stool, chair or the like. : de en
  • DE675126C - Device for separating and returning the oil from the refrigerant to refrigeration machines : de en
  • US2156247A - Machine for cutting ice cakes into cubes : en
  • CH204211A - Swiveling support bracket for the take-up bobbins on winding machines. : de en
  • GB504657A - Improvements in and relating to grabs : en
  • GB504446A - Improved process and apparatus for the manufacture of magnesium : en
  • GB504911A - An improved fire lighter : en
  • US2155856A - Methallyl cinnamate : en
  • US2155876A - Portable building structure : en
  • GB504695A - Improvements in and relating to voltage regulating systems : en
  • US2155716A - Power mower : en
  • US2155834A - Bracket for automobile robe rail : en
  • CH204292A - Waterproof watch. : en fr
  • US2155552A - Wellhole inclinometer : en
  • US2155579A - Diazodinitrophenol : en
  • PL28233B1 - A method of producing potassium potassium phosphates. : en pl
  • FR840441A - Process for obtaining or separating volatile substances from solutions : en fr
  • GB504438A - Improvements in filter drum construction : en
  • GB504637A - Improvements in electric hotplates : en
  • GB504792A - Improved production of sliver from continuous bands of artificial filaments : en
  • PL28145B1 - The method of making wood, straw, reed and paper resistant to fire. : en pl
  • US2155833A - Leather stretching apparatus : en
  • US2155642A - Control for heating systems : en
  • US2156019A - Permanent magnet steel alloy and method of making same : en
  • FR840438A - Advanced knee brace : en fr
  • GB504456A - A new or improved joint-pin or bearing-device made from a ferrous metal centre-part and one or more non-ferrous metal outer-parts : en
  • US2155426A - Rotative-winged aircraft : en
  • US2155995A - Machine for making frozen confections or the like : en
  • DE674907C - Insulator for electrical overhead lines, especially for high frequency transmission : de en
  • FR840346A - Process to protect plants against the risk of frost : en fr
  • CA380972A - Expanded metal product : en fr
  • US2155795A - Method of making garment closures : en
  • US2156125A - Method of wet magnetic separation : en
  • US2155463A - Freight car : en
  • US2155518A - Film sprocket : en
  • FR840629A - Solderless lug for electrical conductors : en fr
  • GB504489A - Improvements in paper feeding machines : en
  • GB504381A - A new or improved device for forming cavities in articles as they are being pressure-moulded in a moulding-machine : en
  • GB504412A - Improvements in electrostatic condensers : en
  • GB504661A - Improvements in and relating to cables, ropes, power transmitting belts and the like : en
  • GB504719A - Improvements in or relating to optical means for reading printed, stencilled and like records : en
  • FR840504A - Instant-release piston, independent of its pivot axis : en fr
  • GB504443A - : en
  • USD114432S - Design for a tire : en
  • US2156124A - Synthetic resins and nitrogen containing organic compound addition products : en
  • US2156147A - Loose-leaf binder : en
  • GB504522A - Improvements in hard metal alloys : en
  • US2155773A - Strap holding and guiding clip : en
  • DK56090C - Method and Apparatus for Converting Sound Vibrations to Electrical Vibrations with Smaller Amplitude Range : da en
  • PL28207B1 - Developer for color development. AND THE READING ROOM A. : en pl
  • PL28253B1 - A method for drawing metals and an apparatus for carrying out the method. : en pl
  • FR840420A - Process for the electrolytic refining of copper and its alloys and the electrolytic processing of metals coated with copper and copper alloys : en fr
  • FR840407A - Capsules for telephone and similar apparatus : en fr
  • DE675002C - Anti-skid chain for motor vehicle wheels : de en
  • US2155412A - Welding apparatus : en
  • US2155777A - Braille writer : en
  • US2155460A - Compressor : en
  • US2155888A - Scaffold hanger : en
  • CA380913A - Hair waving apparatus : en fr
  • CH204205A - Cleaning device for typewriters etc. : de en
  • CH204370A - Metal dry rectifier for high power. : de en
  • CH204385A - Vaginal irrigation device. : de en
  • FR840615A - Special cables with rapid cooling allowing an overload of current, for overheated places : en fr
  • GB504492A - Improvements in or relating to carriage guides for lathes and like machine tools : en
  • GB504463A - Improvements in or relating to shuttles for circular looms : en
  • GB504731A - Improvements in or relating to air brushes or spray pistols : en
  • US2155402A - Sun compass : en
  • FR840380A - Improvements to hydropneumatic flushing devices : en fr
  • USD114465S - Design for an electric iron : en
  • US2155391A - Sight for toy guns : en
  • GB504928A - Improvements in or relating to rivetting : en
  • US2155730A - Belly skinning machine : en
  • USD114511S - Design for a shoe sole : en
  • FR840610A - Advertising medium : en fr
  • USD114459S - Design fob a shoe : en
  • DE675026C - Cleaning device for electrical switchgear : de en
  • PL28215B3 - Ruler for making strands or ropes from steel wire. : en pl
  • US2155843A - Method of purifying milk : en
  • US2155829A - Slide, caster, or the like for furniture : en
  • US2155430A - Web supply mechanism : en
  • GB504681A - Improvements in and connected with meat tendering apparatus : en
  • FR840342A - Refinements to feedback amplifiers : en fr
  • DE674918C - Protection device for alternating current networks : de en
  • DE674921C - DC arc welding generator : de en
  • GB504917A - Improvements in or relating to boiler cleaners or soot blowers : en
  • GB504415A - Improvements in gas supply apparatus for supplying gas at a controlled rate to flowing liquid : en
  • US2155636A - Collapsible paperboard liquid dispensing container : en
  • US2155868A - Dishwashing machine : en
  • GB504664A - Improvements in and relating to mixing machines : en
  • US2155909A - Duplicator : en
  • DE674920C - Device for converting direct current into other voltage : de en
  • DK56076C - Procedure for Conversion of Normally Gaseous Hydrocarbons. : da en
  • GB504565A - Improvements in or connected with means for attaching fabric to aircraft members : en
  • GB504651A - Improvements in or relating to instruments for indicating bearings on maps : en
  • FR840324A - Improved cinematographic film, method and apparatus for its manufacture : en fr
  • GB504927A - Improvements in or relating to electron permeable electrodes : en
  • CA380923A - Pipe cutting apparatus : en fr
  • CA381033A - Headlight lens : en fr
  • US2155569A - Telescope or the like : en
  • US2155994A - Lock for bicycles : en
  • GB504307A - An improved advertising device : en
  • US2155977A - Stripping machine : en
  • USD114491S - Design for a clip pin : en
  • DE674872C - Electric heating device for heating rooms : de en
  • GR8160B - ASPHALT HOT PUMP. : el en
  • FR840485A - Linear detector : en fr
  • GB504542A - Improvements in cigarette or like boxes or caskets : en
  • US2155547A - Trailer brake : en
  • CA381039A - Television system : en fr
  • CA380954A - Cellulose etherification process : en fr
  • CH204202A - Enamelled vessel. : de en
  • GB504668A - Improvements in or relating to television transmission apparatus : en
  • PL28255B1 - : en pl
  • FR840555A - Soap Saver Device : en fr
  • US2156149A - Ceramic manufacture : en
  • GB568559A - Improvements in or connected with means for protecting aircraft from wire obstructions : en
  • GB504332A - Improvements in and relating to weighing machines : en
  • GB504419A - Method for the production of photo-mechanical printing blocks : en
  • GB504808A - Application of a marginal or like screen to cinematograph films for influencing a photo-electric relay : en
  • FR840457A - Method for improving the resistance to temperature changes of spark plug insulators : en fr
  • GB504506A - Improvements in or relating to electrically heated pipes for conveyance of liquids : en
  • GB504439A - Improvements in railway vehicle trucks : en
  • GB504548A - Improvements in watch glasses : en
  • CA381034A - Textile material processing : en fr
  • FR840521A - Improvements to switch-circuit breakers and similar devices for high currents : en fr
  • GB504306A - Container of artificial moulded material for dispensing the content in portions : en
  • GB504599A - Improvements in and relating to printing calculating machines : en
  • DE675050C - Process for the production of beryllium alloys : de en
  • AT155994B - Deep drawing device with holding stop for the heel pull cable of ski bindings. : de en
  • CH204413A - Filler neck for fuel tanks of motor vehicles and the like. : de en
  • GB504562A - Manufacture of condensation products containing nitrogen : en
  • US2156178A - Motor vehicle brake : en
  • USD114476S - Design for a card holder : en
  • US2155959A - Repeating cut-out constructions : en
  • US2155976A - Ignition system and cut-off : en
  • PL28256B1 - Method for separating minerals and a device for using this method. : en pl
  • GB504316A - Improvements in or relating to closure devices for fire extinguishers : en
  • CH204375A - Instrument for sterilizing tooth root canals, etc. : de en
  • CH204459A - Charge double tariff meter. : de en
  • PL28195B1 - A method of producing photoactive mosaic screens. : en pl
  • DE674993C - Lubricator cap for engine parts, especially rod bearings : de en
  • FR840497A - Device for keeping a window or door leaf in any open position : en fr
  • GB504376A - Improvements in the production of colour photographic pictures : en
  • GB504596A - An improved railway joint : en
  • GB504627A - Improvements in and relating to kettles for melting and mixing chocolate and like purposes : en
  • DE674851C - Shooter striking device for looms : de en
  • FR840359A - Method and apparatus for sterilization, purification and deodorization of air in confined spaces : en fr
  • US2155646A - Watch rate recorder : en
  • GB504589A - An improved backing device for use in welding metal pipes and the like : en
  • FR840355A - Temperature regulator for the coolant of internal combustion engines : en fr
  • FR840633A - Process for the heat transfer of hot wood sugar musts : en fr
  • GB504729A - Flexible transmission couplings : en
  • US2155961A - Metal salts of sulphonated terpenephenol condensates and method of preparation thereof : en
  • US2155538A - Surveyor's plane table : en
  • GB504564A - Improvements relating to detachable heels for footwear : en
  • DE675157C - Handpiece for hand-held power tools, especially milling cutters : de en
  • DE674843C - Valve arrangement for pneumatic riveting machines : de en
  • DE674936C - Mixing and agitator for liquids, especially sugar masses : de en
  • CH204208A - Process for the production of animalized fibers from a spinning mass. : de en
  • CH204325A - Valve faucet. : de en
  • AU107151B2 - Improvements in or relating to shoe upper shaping machines : en
  • AT155987B - Street sweeper. : de en
  • AU107178B2 - Improvements in or relating to electron discharge device oscillation generating and modulating arrangements : en
  • FR840304A - Pneumatic device for the distribution of blowing gas for circuit breakers : en fr
  • DE670328C - Pressure-dependent, automatic shut-off device in pipelines : de en
  • FR840316A - Process for producing sound cinematographic films : en fr
  • GB504582A - Improvements in or relating to resilient couplings for transmitting rotary motion : en
  • GB504607A - Improvements in the removal of surface defects from blooms, billets, sheet bars and the like : en
  • CA381030A - Radio modulating system : en fr
  • US2156223A - Method of producing pectinlike substances : en
  • US2155799A - Tongue protector method : en
  • AT156024B - Box for holding filters. : de en
  • CA380895A - Lumber manufacture : en fr
  • US2155727A - Electric switch : en
  • DE675021C - Electrostatic precipitator : de en
  • FR840387A - Diametrically extendable sheath for clamping on parts to be connected, flexible elements having at least one wire reinforcement spiral : en fr
  • FR840647A - Advanced ski binding device : en fr
  • DE675064C - Device for holding the two free hanging ends of a self-tie : de en
  • DE674855C - Circuit arrangement for a long-distance line ending on dialers : de en
  • PL28211B1 - Semi-massive tire for vehicle wheels. : en pl
  • US2155698A - Float operated supply valve : en
  • USD114494S - Design for a textile fabric : en
  • DE674968C - Process for the preparation of phenolic aralkylamino alcohols : de en
  • DE674945C - Two-for-one twisting spindle : de en
  • CH204443A - Process for the production of a new azo dye. : de en
  • AT156022B - Machine for grinding hard materials. : de en
  • US2155723A - Stabilization of trichlorethylene : en
  • DE675105C - Device for controlling electric motor-operated tower clock strikes : de en
  • FR840567A - Process for preparing catalysts : en fr
  • CH204409A - Shock absorption device on chassis, in particular for motor vehicles. : de en
  • US2155687A - Safety manual and power spindle drive : en
  • US2156082A - Compensated pre-heat coil : en
  • US2156243A - Spool for industrial thread : en
  • AU107157B2 - Improvements relating to two way electric telephony systems including echo suppression means : en
  • AT155996B - Catenary. : de en
  • PL28263B1 - High frequency induction furnace for the local heating of tools or semi-finished products for the manufacture of tools for the purpose of shaping, hardening, etc. : en pl
  • AT155953B - Blades and washers for milling arbors. : de en
  • AT155993B - Resilient seat for motorcycles or the like. : de en
  • AU107184B2 - Improvements in and relating to fittings. for drop side cots andthe like : en
  • CH204436A - Process for the production of a new azo dye. : de en
  • US2155980A - Cable forming apparatus : en
  • US2156081A - Bank plaque : en
  • AU107181B2 - Improvements in or relating to supply circuits for thermionic valves : en
  • AU107208B2 - Method and apparatus for obtaining photographs giving the impression of relief : en
  • CA380969A - Disconnecting switch : en fr
  • DE675101C - Process for the production of bicycle saddle clamps by cutting a profile iron strip to length : de en
  • FR840303A - Gas turbines : en fr
  • US2155883A - Apparatus for expanding metallic tubular workpieces : en
  • CA381017A - Wheel springing element : en fr
  • DE675142C - Gas generator with a grate for discharging the ash and a central nozzle protruding from below through the grate into the gas generator shaft for supplying the gasification air : de en
  • GB504508A - Improvements in closures for bottles and like containers : en
  • GB504734A - Improvements in or relating to the manufacture of methacrylic acid esters : en
  • DE671480C - Process for the regeneration of rubber vulcanizates : de en
  • USD114518S - Design for a textile fabric : en
  • CH204369A - X-ray tube with rotating anode mounted on balls. : de en
  • CH204187A - Security lock that can be operated by means of a single key, at least one group key and a master key. : de en
  • US2155476A - Transmission : en
  • DE675037C - Device for damping ship vibrations : de en
  • CH204204A - Control slide mechanism for controlling various fluids, especially for beverage preparation machines. : de en
  • PL28131B1 - The method of broadcasting and receiving television. : en pl
  • CA380946A - Centrifugal casting method : en fr
  • DE675114C - Skylight opener : de en
  • US2156004A - Latch mechanism and operating means therefor : en
  • USD114435S - Design for a chair : en
  • PL28177B1 - Sponge rubber, the method of its production and a protective coating made of this rubber. : en pl
  • US2155548A - Toilet cover and seat lift : en
  • US2156220A - Chemical plugging of strata : en
  • US2155565A - Pattern for kaleidoscopic device : en
  • US2155737A - Garment hanger cover : en
  • US2155908A - Concrete step mold : en
  • US2155389A - Sighting means for guns : en
  • US2155584A - Method of making bushings and bushed chain links and the articles produced by said method : en
  • US2156254A - Therapeutic composition : en
  • USD114498S - Design for a dress : en
  • US2155913A - Fish spearing and landing device : en
  • US2156097A - Ciphering and deciphering mechanism : en
  • US2156020A - Conveyer : en
  • US2156067A - Control device : en
  • USD114495S - Design for a dress : en
  • AT155965B - Process for the production of wetting agents for mercerising liquors. : de en
  • CH204412A - Switching device on motor vehicles. : de en
  • DE674869C - Arrangement for remote control by brief interruption (keying) of the mains voltage : de en
  • DE674931C - Hydraulic jack : de en
  • DE675029C - Arrangement for frequency conversion by means of a control converter : de en
  • DE675082C - Electric headlights for small vehicles, especially motorcycles : de en
  • GB504580A - Improvements in or relating to distant positional control apparatus : en
  • CA380961A - Cooling system for compressors : en fr
  • CH204341A - Carburetors for internal combustion engines. : de en
  • US2156153A - Multiple spindle vertical crankshaft lathe : en
  • US2155578A - Cutting machine : en
  • US2155975A - Hair-waving apparatus : en
  • GB504550A - Improvements in pipe joints : en
  • PL28229B1 - A device for making a mixture of liquid fuel and lubricating oil in tanks feeding internal combustion engines. : en pl
  • CH204306A - Electric vulcanizer comprising an electro-thermal circuit breaker with bimetallic strip. : en fr
  • US2155448A - Doll : en
  • DE674904C - Run-up roller table for the cooling beds of rolling mills : de en
  • AU107164B2 - Arrangement for eliminating interference from blind landing receivers which are interfered with by an aircraft transmitter by introducing a blocking circuit between aircraft transmitter Tand the accompanying transmitting antenna : en
  • FR840637A - Extended testing machine for springs : en fr
  • GB504930A - Improvements in and relating to the refining of iron and steel : en
  • DE675020C - Display and drive switch-off device for washing machines and similar machines : de en
  • DE675084C - Exposure lamp with a glow body heated by an arc discharge from a cathode : de en
  • DE675017C - Device for controlling the drive device of rotatable structures with power drive, in particular for fire brigade turntable ladders : de en
  • FR840514A - Process for the preparation of alpha-dicarbonyl compounds of the cyclopentanopolyhydrophenanthrene series : en fr
  • CH204376A - Device for irrigation of the oral mucosa. : de en
  • FR840314A - Improvements in the manufacture of synthetic resins intended for molding : en fr
  • FR840643A - Method and apparatus for supplying air and hydrocarbon vapors to internal combustion engines : en fr
  • US2155728A - Vapor phase rleaching : en
  • US2156177A - Preparation of chlorides of higher fatty acids : en
  • GB504723A - Improvements in or relating to contact breakers for magneto electric machines : en
  • CH204197A - Applicator for shoe polish and other cream-like masses. : de en
  • AU107186B2 - Improvements in means and methods of producing metallic screens : en
  • AU142138A - A method of producing stable ethylene mercury compounds : en
  • US2155492A - Radio direction finder : en
  • US2155738A - Mounting for robe cords : en
  • FR840403A - Improvements to gas turbines : en fr
  • US2155477A - Process for the manufacture of salts by base exchange by means of zeolite : en
  • DE660664C - Suspension seat for motor vehicles : de en
  • FR840564A - Improvements to electric cables : en fr
  • US2155598A - Production of slivers from textile fibers : en
  • US2155966A - Linear control circuit : en
  • US2156206A - Trousers guard : en
  • DE674893C - Method and stranding machine for the production of helical shaped stranded ropes : de en
  • DE675015C - Method of preserving herrings : de en
  • DE674967C - Process for the preparation of bicyclic amines with three atoms common to both rings : de en
  • CH204182A - Process for the production of building material. : de en
  • CH204264A - Firearm. : de en
  • CH204323A - Method for producing the connection of a union nut with a socket of a pipe fitting. : de en
  • AU51638A - Improvements inthe manufacture of hinges : en
  • FR840586A - High pressure metal vapor electric discharge tube : en fr
  • FR840599A - Improvements in the manufacture of metallic thermionic tubes : en fr
  • US2155690A - Means for holding bed covers : en
  • GB504447A - Improvements in wheel springing for motor cycles and the like : en
  • GB504790A - Improvements in or relating to receptive surfaces for photographic imbibition printing : en
  • DE675039C - Process for the surface design of synthetic resin moldings made from powder molding compound : de en
  • FR840344A - Sophisticated bagging installation : en fr
  • GB504517A - Improvements in the manufacture of articles of wearing apparel : en
  • GB504576A - Improvements in or connected with apparatus for moulding and wrapping tablets from plastic material : en
  • FR840559A - Device for causing the advance and retardation of movement of blades in step looms : en fr
  • GB504685A - An improvement in or relating to gas-heated water heaters : en
  • CH204253A - Process for the production of monochrome or multicolor photographic reflective and transparent images. : de en
  • PL28237B1 - Low frequency beating generator. : en pl
  • FR840636A - Lighting dynamo for vehicles : en fr
  • GB504682A - Improvements in or relating to safety razors : en
  • US2156136A - Clutch control mechanism : en
  • USD114469S - Design for an illuminable traffic : en
  • US2155701A - Air brake : en
  • US2156207A - Apparatus for washing and cementing oil wells : en
  • GB504504A - The manufacture of azodyestuffs : en
  • DE674854C - Sealing for exchangeable, welding, cutting and soldering torches : de en
  • GB504716A - Improvements in or relating to sliding clasp fasteners : en
  • DE674927C - Multi-layer for electric lighting similar to daylight : de en
  • US2155710A - Tongue protector : en
  • US2155971A - Coffee extract and method of making same : en
  • US2156016A - High frequency apparatus : en
  • GB504546A - An ornamental doll : en
  • AU151038A - Improvements in or relating to electron discharge device oscillation generating and modulating arrangements : en
  • US2155670A - Control for carburetor idling systems : en
  • PL28153B1 - A method of enrichment of oxide non-magnetic iron ores and manganese ores containing oxygen compounds of iron. : en pl
  • DE674875C - Process for the fractional extraction of light oils and low-boiling hydrocarbons (gas oils) from distillation gases : de en
  • CA380932A - Cigarette packeting machine : en fr
  • CH204277A - Device for measuring the asymmetries of admittance values. : de en
  • US2155530A - Die cut lock top for paper boxes : en
  • US2155762A - Device for issuing tickets, cards, and the like : en
  • DE675111C - Electromagnetic installation overcurrent switch : de en
  • GB504303A - Improvements relating to closures for jars and like containers : en
  • US2156005A - Door operating mechanism : en
  • US2156184A - Refrigerator attachment : en
  • DE674914C - Contactor or switch activated by a switching magnet, in particular oil contactor : de en
  • GB504809A - Improvements in and relating to methods of ensuring arcing in a rectifier or the like : en
  • FR840581A - Turbine-controlled torpedo : en fr
  • DE674878C - Mailbox with several compartments assigned to different recipients : de en
  • GB504534A - Improvements in or relating to machines for capsuling bottles and the like : en
  • DE675132C - Device for high-frequency traffic in which sidebands of a certain width are required for transmission : de en
  • FR840483A - Cathode ray tube, in particular for television, and its mounting : en fr
  • FR840566A - Method and device for filling bottle caps : en fr
  • FR840583A - Process for mechanically removing solids from oil residues : en fr
  • PL28170B1 - Flow meter. : en pl
  • US2155429A - Method of molding cork products and similar material : en
  • PL28227B1 - Spike bearing. : en pl
  • FR840547A - Centrifugal jet pump : en fr
  • FR840428A - Ether-salt sulfonation products and process for their preparation : en fr
  • GB504699A - Improvements in balance wheels for watch movements : en
  • IE15764L - Aliphatic ethers : en
  • FR840439A - Needle changing device for diaphragms and the like for taking sounds of sound apparatus : en fr
  • GB504414A - Improvements in and relating to jigger conveyers : en
  • GB504509A - Apparatus for indicating detonation in the cylinders of an internal combustion engine : en
  • GB504655A - Improvements in the manufacture of knitted fabrics : en
  • US2156240A - Streptococcus antigen : en
  • FR840379A - Method and apparatus for mounting cut flowers : en fr
  • GB504586A - Sales advertising and other display devices : en
  • FR840446A - Improvements in the manufacture of box springs : en fr
  • GB504340A - Improvements in or relating to vacuum cleaner nozzles : en
  • GB504821A - Improvements in and relating to cyanine dyes and sensitization of photographic emulsions : en
  • US2155676A - Adjustable ozonizer : en
  • FI18491A - Anordning vid hydrauliska eller pneumatiska pressar : en fi
  • US2156205A - Fluid pressure braking system : en
  • GB504700A - Process for the treatment of spent cobalt catalysts : en
  • US2155501A - Photographic treating bath : en
  • US2155936A - Electric sign : en
  • US2155399A - Apparatus for cooling brew : en
  • US2155625A - Production of organic esters : en
  • US2155473A - Dental brush : en
  • USD114462S - Design for a bottle : en
  • DE675043C - Circuit arrangement for the gap synchronization process when broadcasting positive films on television : de en
  • DE675102C - Upper thread tensioning device for sewing machines : de en
  • DE675119C - Shed for the mountain offset : de en
  • GB504314A - An improved means for connecting a metallic facing strip to shelving or the like : en
  • GB504486A - Method for the operation of internal combustion engines operated with light fuels : en
  • AU107203B2 - Electric wave bandpass filters : en
  • CH204203A - Containers for aromatic bulk goods such as coffee, tea, spices, various essential medicines and the like. : de en
  • US2155638A - Carburetor : en
  • PL28268B1 - Shaft exhaust vessel. : en pl
  • US2155751A - Water closet evacuator : en
  • DE674917C - Toggle switch for starting engines and apparatus with a main and secondary branch : de en
  • DE674873C - Method of drying glue : de en
  • US2155692A - Duplicator : en
  • US2156014A - Kitchen utensil : en
  • US2156233A - Therapeutic composition : en
  • FR840472A - Transportable, removable house : en fr
  • GB504325A - Improvements in lighting standards for roadways and the like : en
  • CA380978A - Package : en fr
  • DE675041C - Chamber furnace arranged in batteries for the production of gas and coke : de en
  • US2155382A - Hydraulic release for well bottoms : en
  • US2155540A - Covered ladle : en
  • US2155731A - Paper treatment : en
  • US2155827A - Caster : en
  • US2155405A - Electrical conductor : en
  • US2156058A - Electric protective device : en
  • US2156075A - Kitchen waste unit : en
  • US2155481A - Spark plug : en
  • US2155483A - Casement window : en
  • CA380917A - Knitted fabric : en fr
  • AU399938A - Improved method and apparatus for making hollow glass bodies from preformed parts : en
  • CA380918A - Display apparatus : en fr
  • CH204251A - Numbering machine for sheets. : de en
  • GB504692A - Improvements in or relating to motion picture apparatus : en
  • US2155893A - Axe handle fastening : en
  • CA381006A - Lithographic printing plate : en fr
  • DE674981C - Process for the production of oxygen baths : de en
  • USD114442S - Design for a lipstick case : en
  • US2156118A - Servomotor and control for transmissions : en
  • US2156189A - Rail joint : en
  • US2156234A - Recovery of liquid hydrocarbons : en
  • PL28245B1 - A steering gear having a jacket surrounding the bolt of the ship. : en pl
  • US2156002A - Fastening device : en
  • GB504511A - Improvements in or relating to sectional boilers : en
  • GB504828A - Improvements relating to the treatment of artificial silk : en
  • FR840306A - Spark plug : en fr
  • GB504404A - Improvements in or relating to pipe joints : en
  • GB504584A - Improvements in or relating to cigarette and like cases : en
  • US2155468A - Flapping wing system : en
  • US2155633A - Apparatus for concentrating sulphuric acid : en
  • FR840320A - Magnetic arc extinguishing device : en fr
  • FR840500A - Radio-electric receiver circuits with volume adjustment : en fr
  • FR840518A - Mounting of headlights, especially for motorcycles : en fr
  • GB504642A - A new or improved shelter for protection against aerial and other bombardments : en
  • FR840519A - Process for producing olefins and diolefins from paraffins and olefins : en fr
  • DE674114C - Circular sector-shaped hammer, especially for hammer breakers : de en
  • DE675016C - Transverse drive body, in particular wings or control surfaces for aircraft or the like. : de en
  • DE674868C - Device for the mutual locking of several drives to be switched in a certain order : de en
  • DE674882C - Paper holding device for accounting machines or the like. : de en
  • DE675115C - Suspender eyelet : de en
  • US2155613A - Receptacle : en
  • US2155854A - Pickling process : en
  • US2156116A - Speed regulator : en
  • PL28190B1 - A telecommunication cable containing at least one star quad, intended for broad spectrum transmission, especially television, a method of making such a cable, and a twisting machine for making such a cable in this way. : en pl
  • FR840435A - Electron multiplier tube : en fr
  • FR840434A - Deaeration of air pockets forming in the supply or transfer ducts of liquid dispensing devices as a result of the suspension of the supply duct : en fr
  • GB504545A - Improvements in or relating to the manufacture of abrasive belts : en
  • GB504725A - Improvements in circuit arrangements for producing saw-tooth wave form electric oscillations : en
  • USD114514S - Design for a lace tablecloth : en
  • US2155582A - Folding trailer : en
  • FR840538A - Improvement in variable resistances and potentiometers for t. s. f. : en fr
  • DE675003C - Liquid tank for watercraft to influence the moment of stability : de en
  • GB504789A - An improved hand trolley for restaurant, hospital or domestic use : en
  • AU107196B2 - Impact wrench : en
  • AU111836B2 - Impulse generating system : en
  • DE675121C - Device for achieving a reciprocating movement of a guide piece, in particular as a guide for winding up cables, ropes, wires or the like. : de en
  • FR840534A - Compensation spring drum for shutters : en fr
  • AT155958B - Process for the production of patterned weaving effects. : de en
  • AU107213B2 - Improvements in or relating to radio direction finding installations : en
  • US2155735A - Feed mechanism for planters : en
  • USD114510S - Design fob a lace tablecloth : en
  • PL28240B1 - Device to show the movement of a conductor with a current in a magnetic field. : en pl
  • AU309338A - Improvements in and relating tothe automatic control of washing andother machines : en
  • AU316638A - Improvements in or relating to electric discharge tubes : en
  • CA380960A - Electric discharge apparatus : en fr
  • GB504383A - Improvements in and connected with apparatus for aerating liquids : en
  • AU107180B2 - Improvements in or relating to telegraph systems : en
  • AU254138A - Improvements in methods of and machines for ginning cotton : en
  • AU345738A - Improvements in or relating to connecting means for pipes or tubes : en
  • CH204252A - Process for obtaining the impression of relief during the projection of films, and installation for the implementation of this process. : en fr
  • AU111792B2 - Gas-tight joint between the electrode andthe ceramic body : en
  • CA380907A - Textile material processing : en fr
  • US2155458A - Method of and apparatus for printing : en
  • US2155427A - Aircraft sustaining rotor : en
  • CH204307A - Pneumatic shock sprayer. : en fr
  • US2155842A - Watch : en
  • DK56084C - Cathode ray tube and method of its manufacture. : da en
  • BE432326A - : en
  • CH204382A - Process for preparing an aminobenzenesulfonic acid amide compound. : de en
  • US2155575A - Binocular lotjfce : en
  • US2155800A - Sprue-forming device : en
  • US2156000A - Typewriting machine : en
  • US2155500A - Briquette coating machine : en
  • DE674910C - Lever switch with instant switch-off and switch-off position locked in the middle position : de en
  • CA380942A - Electrotype printing plate treating method : en fr
  • PL28232B1 - A method of refining natural or artificial fibrous materials. : en pl
  • AT155961B - Rubber products and processes for their manufacture. : de en
  • CA380890A - Bell and spigot pipe joint : en fr
  • DE675093C - Process for the production of permanent casting molds for castings : de en
  • AU107150B2 - Improvements in or relating to goniometer coils for radio direction finding systems : en
  • CH204434A - Process for the preparation of 2-methyl-2-methoxy-3-chloro-tetrahydrofuran. : de en
  • CA380945A - Sheeted cellulose pulp conditioning method : en fr
  • DE674871C - Device for regulating the speed of asynchronous machines : de en
  • US2155446A - Process for the production of beta-methylcholine ethers and salts thereof : en
  • CH204231A - Process for the production of full or hollow bodies from chocolate, fat masses, gianduja masses, pralines etc. with a lifelike imitation of uneven surfaces of objects. : de en
  • CH204270A - Thermostat. : en fr
  • GB504464A - Improvements in or relating to compound sheet material for buildings and other purposes : en
  • US2155522A - Folding armchair : en
  • AT156001B - Transport vessel made of fibrous material, in particular for liquids, and method for producing such transport vessels. : de en
  • CH204362A - Switching chamber for electric gas switches. : de en
  • GB504691A - Improvements in and relating to electric welding machines : en
  • AU219238A - Process forthe production of walland plate coatings : en
  • CH204358A - Electrically conductive clamp for clamping aluminum conductors. : de en
  • GB504786A - Improvements in photo-electric exposure meters : en
  • DK56097C - Exhaust device for deflated shooter with flow firing. : da en
  • FR840579A - Rational construction of lead tanks, receptacles and devices : en fr
  • GB504614A - Improvements in the thermal splitting of carbonaceous materials : en
  • GR8164B - TYPE OF ANTI-ASPHYGENICAL PERSON. : el en
  • US2155494A - Wringing device : en
  • US2155631A - Blower : en
  • US2155635A - Bottom hole pressure gauge : en
  • US2155708A - Motor : en
  • US2155786A - High frequency apparatus : en
  • AU153638A - Electric wave bandpass filters : en
  • GB504426A - Improvements in or relating to gas meters : en
  • GB504600A - Improved process for the manufacture of cellulose ethers : en
  • CA380927A - Pillow block for shafts : en fr
  • CH204427A - Installation for landing aircraft. : en fr
  • GB504561A - Improvements in or relating to voltage regulators, cut-outs and/or contactors for electric dynamos : en
  • BE433058A - Right and left closing door lock : en fr
  • CH204274A - Registration device. : de en
  • PL28239B1 - Electric lighting device for a railway switch lantern. : en pl
  • AU107147B2 - Improvements inthe manufacture of hinges : en
  • GB504433A - Improvements in penstock valves : en
  • PL28154B1 - System of a horizontal multi-cylinder internal combustion engine for motor vehicles. : en pl
  • US2155383A - Method and apparatus for transferring heat : en
  • AT156012B - Viewfinder for cinema recording cameras. : de en
  • CA381037A - Telephone system : en fr
  • CH204319A - Dust shutter device for lubricating bearing. : en fr
  • CA380919A - Hot air furnace : en fr
  • CH204256A - Device for the production of blueprints. : de en
  • CH204419A - Device on a self-excited electrical resistance brake for vehicles, in particular trolley buses, to avoid overbraking. : de en
  • CA380983A - Railway car bearing : en fr
  • DE674857C - Process for the stabilization of solutions of chlorinated rubber in organic solvents by treatment with basic agents : de en
  • CH204245A - Process for the preparation of resoles. : de en
  • US2155752A - Light mount : en
  • DE675013C - Device for influencing the train and the route : de en
  • FR840513A - Process for the preparation of saturated or unsaturated compounds of the cyclopentanopolyhydrophenanthrene series : en fr
  • GB504330A - Improved machine for the manufacture of concrete pipes and the like : en
  • DE675080C - Electric pull switch : de en
  • DE674984C - Process for the preparation of reaction products of styrene : de en
  • IE15409L - Electric discharge devices : en
  • AT155977B - Process for the recovery of mixed solvents in extraction and dewaxing processes. : de en
  • CA380937A - Direct metal casting apparatus : en fr
  • CA380958A - Fuse for explosives : en fr
  • CH204215A - Verdol card. : de en
  • PL28262B1 - Gas-fired device for gasification of liquid fuel to power low-pressure internal combustion engines. : en pl
  • PL28282B1 - Fountain pen. : en pl
  • GB504318A - Improvements in and relating to the hardening of the interior of tubes and similar hollow bodies : en
  • BE433401A - : en
  • CH204344A - Speed control device for a compressor driven by an internal combustion engine. : de en
  • CH204368A - Device for grid control of mercury vapor and gas discharge devices. : de en
  • GB504929A - Improvements in or relating to wardrobe trunks, suitcases or the like : en
  • FR840544A - Improvements to sealed current inlets in glass electrical receptacles : en fr
  • GB504449A - Improvements in and relating to bases for vacuum electric discharge devices : en
  • CH204302A - Automatic loading device on automatic lathes. : de en
  • DE674933C - Beryllium-gold alloys : de en
  • GB504420A - Improvements in or relating to window frames : en
  • GB504717A - Improvements in and relating to cutting mechanism for cigarette-making and like machines : en
  • CH204229A - Device for controlling the grinding segment of grain roller mills. : de en
  • FR840333A - Nozzle for dust extractor with carpet beater device : en fr
  • FR840473A - Electric discharge tube : en fr
  • GB504315A - Improvements in coupling devices for the troughing of jigging conveyors : en
  • US2155831A - Refrigerating apparatus : en
  • FR840501A - Process for fixing disinfectants and parasiticides with long-lasting action and their manufacturing formulas and application systems : en fr
  • GB504634A - Improvements in and relating to devices for controlling windows of the vertically sliding type : en
  • CH204176A - Warm water heating system with floor and ceiling heating. : de en
  • GB504613A - Momentum power storing apparatus : en
  • USD114445S - Design for a settee : en
  • US2155880A - Thermostatically controlled valve : en
  • PL28175B1 - A method of making rubber bags and a mold for carrying out the method. : en pl
  • CH204379A - Process for the production of the azo protein from mercury dianiline and serum protein. : de en
  • GB504398A - Improvements in or relating to door closing or controlling mechanism : en
  • DE674879C - Device for determining inhomogeneities in ferromagnetic materials : de en
  • FR840447A - Process for hydrohalogenation of unsaturated hydrocarbons : en fr
  • FR840639A - Compass : en fr
  • GB504453A - Improvements in or relating to pencils : en
  • GB504513A - Improvements in or relating to gas or weatherproof windows, doors, and the like : en
  • GB504573A - A device for use in wireless receiving apparatus : en
  • CH204179A - Wall-mounted gas-fired liquid heater. : de en
  • US2156083A - Adhesive coated tape : en
  • DE674943C - Process for making shoe soles resistant to wear : de en
  • CH204299A - Butt welding device with manually operated welding tongs. : de en
  • AU111791B2 - Ceramic goods : en
  • CH204337A - Two-stage internal combustion engine. : de en
  • US2155933A - Centralized information service : en
  • US2155441A - Towel : en
  • DE654416C - Piston internal combustion engine with external combustion, in which compressed oxygen-containing gases or gas mixtures are burned in combustion chambers with fuel and thus compressed gases are generated : de en
  • US2155982A - Coin machinery : en
  • US2156061A - System for determining positions by radio beacons : en
  • PL28152B1 - A method of carrying out industrial alcoholic fermentation and an apparatus for carrying out the method. : en pl
  • US2155802A - Glass cutter : en
  • US2155803A - Golf tee : en
  • US2156179A - Polishing and abrading head : en
  • CA380911A - Bag lock : en fr
  • CH204444A - Process for the production of a new azo dye. : de en
  • CH204441A - Process for the production of a new azo dye. : de en
  • US2155764A - Method and apparatus for screening wet material : en
  • US2155955A - Directive antenna system : en
  • DK56088C - Beach chair. : da en
  • DE674880C - Device for determining the load-bearing capacity of the ground : de en
  • CH204417A - Control valve for vehicle pressure medium brakes, in particular truck brakes. : de en
  • DE674903C - Conveyor system, consisting of a chain guided by means of rollers in a tube : de en
  • DE674926C - Frequency converter : de en
  • FR840360A - Improvements to propeller devices providing traction or propulsion of locomotive vehicles : en fr
  • GB504294A - Improvements in sliding windows : en
  • GB504620A - Improvements relating to the coating of metal surfaces : en
  • US2155519A - Textile yarn and fabric and method of making same : en
  • US2155539A - Pigmented rubber composition : en
  • GB504310A - Improvements in or relating to the protection of electrical apparatus : en
  • GB504312A - Improvements relating to waterproof coating compositions and to their method of application : en
  • GB504452A - Improvements in terminals for electric condensers : en
  • GB504583A - Vulcanization of rubber : en
  • CH204291A - Hermetic crown winder. : en fr
  • FR840384A - Advertising frame : en fr
  • US2155527A - Machine for operating upon the heelportions of shoes : en
  • US2155699A - Display device : en
  • US2155788A - Combined toy advertising device : en
  • CA381021A - Railway signalling system : en fr
  • DE675120C - Multiple wire drawing machine for drawing very fine wires : de en
  • FR840484A - Milling machine, for cutting gears and the like : en fr
  • GB504643A - Operating handles for doors, windows and the like : en
  • IE15589L - Weft inserting device : en
  • FR840311A - Device for quick attachment of small items such as ashtrays, flower holders or items similar to garnishes : en fr
  • DE674979C - Elastic capsule for emanation-retaining anhydrous substances, especially non-aqueous fluids : de en
  • GB504411A - Circuit arrangement for preventing wrong connections in telegraph selector systems : en
  • GB504328A - Improvements in or relating to a process of hardening steel wires : en
  • GB504609A - Sewing machine : en
  • DE674859C - Device for controlling ships with several propulsion units : de en
  • DE674863C - Device for washing sand, rock, ore and. like : de en
  • CA381004A - Radio receiver tuning circuit : en fr
  • CH204230A - High throughput sorter for the separation of elongated grains and spherical shaped impurities. : en fr
  • CH204453A - Process for the production of nickel phthalocyanine. : de en
  • GB504498A - Improvements in devices for coupling suction conduits or the like to vacuum cleaners : en
  • GB504617A - Geophysical prospecting method and apparatus : en
  • GB505007A - Improvements in or relating to gyroscopes : en
  • PL28238B1 - A method for extracting liquid and an apparatus for using the method. : en pl
  • CH204183A - Process for the production of a covering layer consisting essentially of cement on any surface. : de en
  • SU54771A1 - Instrument for the automatic analysis of liquids : en ru
  • US2155998A - Keyboard for power-driven writing machines : en
  • BE433042A - : en
  • FR840626A - Sulphoaluminous artificial cement : en fr
  • US2155411A - Manufacture of cellulose derivative materials : en
  • CA380935A - Deoxidized copper casting apparatus : en fr
  • AT155963B - Process for the production of metal-containing dyes. : de en
  • CA380900A - Rock drill clamp : en fr
  • PL28217B1 - A device for controlling the inlet cross-section for air in furnaces. : en pl
  • CH204420A - Wheel tires. : de en
  • GB504304A - Method of uniformly charging raw material treating plants such as coal washing plants or the like : en
  • US2156123A - Apparatus for demulsifying and settling liquids : en
  • FR840491A - Improvements to unit price variator control devices in gasoline dispensers and the like : en fr
  • DE674937C - Device for adjusting aircraft auxiliary wings : de en
  • FR840337A - Pipe wrench with olive gimbal : en fr
  • AT155980B - Centrifugal machine. : de en
  • AT155973B - Refractory building material. : de en
  • CA380980A - Footwear : en fr
  • AT155974B - Method and device for cooling the air nozzles on gas generators for engine operation. : de en
  • CA380951A - Demountable electrode assembly : en fr
  • CH204300A - Method for the production of number rollers for counters, in particular for electricity meters and number roller produced according to the method. : de en
  • CH204387A - Device in automatic telephone system for registering the taxis for telephone calls initiated by a subscriber. : de en
  • CA380971A - Shoe cementing apparatus : en fr
  • CH204355A - Long rod insulator with rain umbrellas. : de en
  • AU107158B2 - Improvements in or relating to frequency control systems : en
  • US2155702A - Tractor fender : en
  • PL28158B1 - A device for baking potatoes for fodder. : en pl
  • CH204321A - Piston seal. : de en
  • CH204354A - Insulated electrical conductor and process for its manufacture. : de en
  • CH204422A - Gear change device. : en fr
  • CH204218A - Process for the production of a permanent printing ink and printing ink produced by this process. : de en
  • US2155551A - Air or gas compressor : en
  • US2155739A - Scraper mounting for disk plows : en
  • CH204184A - Process for the production of a covering for building purposes. : de en
  • AT156002B - Folding box. : de en
  • CH204346A - Method and device for transferring high-tension gases using transfer pumps. : de en
  • USD114512S - Design for a dental demonstration : en
  • CH204255A - Method for obtaining distinct monochromes from lenticular photographs and device for implementing this method. : en fr
  • GB504827A - Improvements in and relating to gas masks : en
  • AT156019B - Sound receiving device, in particular for aircraft eavesdropping devices. : de en
  • AT156043B - Photoelectric light meter. : de en
  • CA381015A - Automobile steering wheel : en fr
  • PL28200B1 - Tracked vehicle. : en pl
  • AT155982B - Process for the manufacture of lenses and similar optical devices. : de en
  • AU107146B2 - Improvements in or relating to safety razors : en
  • CA380985A - Awning recess : en fr
  • PL28160B1 - Drainage pot valve mechanism. : en pl
  • US2156156A - Method of producing grooves or channels in dielectric materials : en
  • USRE21063E - Method of making balls : en
  • US2155592A - Preventing adherence of congealed substances to metals : en
  • US2156109A - Grapple : en
  • CH204357A - Process for the production of insulating tape for electrotechnical purposes. : de en
  • AT156039B - Method and device for remote tuning of a receiving device. : de en
  • US2155674A - Brake testing : en
  • US2156173A - Composition and method for preventing incrustation : en
  • CH204378A - Process for making a hormone product. : de en
  • US2156012A - Indicating instrument for aircraft : en
  • PL28165B1 - A method of producing empty objects, closed at one end. : en pl
  • US2155810A - Attaching handles, knobs, and the like : en
  • DK56081C - Device by electrical switches. : da en
  • CA381012A - Paper box handle : en fr
  • AU143238A - Improvements inthe process and apparatus forthe extraction of burrs from wool andother textile fibres : en
  • CH204279A - Magnet system for electrical measuring devices. : de en
  • CH204426A - Hull. : de en
  • AU495637A - Improvements in collapsible crates, boxes and the like : en
  • CA380993A - Organic liquid sheet manufacture : en fr
  • AT155992B - Device for preventing the escape of oil and the ingress of dust in axle box housings, in particular for rail vehicles. : de en
  • AU163138A - Improvements in protective devices for electric incandescent lamps : en
  • CA381023A - Air density responsive device : en fr
  • CH204236A - Process for the preparation of a 2,3-oxynaphthoic acid arylide. : de en
  • CH204402A - Method for moving material from a first tank into a second, and device for implementing this method. : en fr
  • US2155979A - Ice creeper : en
  • US2156144A - Plasticized resin composition : en
  • US2155474A - Loudspeaker : en
  • US2155874A - Conveyer : en
  • US2155439A - Controlling means for cooling systems of internal combustion engines : en
  • US2156194A - Combined street light and sign structure : en
  • US2155606A - Condiment shaker top : en
  • US2156209A - Gear changing device : en
  • FR840530A - Method for obtaining sound recordings : en fr
  • US2155667A - Wheel : en
  • US2155711A - Hose supporter : en
  • DE674895C - Device for handling unprinted sheets before printing : de en
  • FR840309A - Process for obtaining oxygen baths by the catalytic route : en fr
  • US2155844A - Magnetron amplifier : en
  • CH204192A - Coal dust firing with air preheating. : de en
  • FR840548A - Window for aerodynamic vehicles : en fr
  • PL28273B1 - A method of producing porous bodies for sliding organs. : en pl
  • US2155755A - Mono-azo dyestuffs : en
  • USD114483S - Design for a clip pin : en
  • US2155408A - Copper base alloys : en
  • US2155850A - Spraying device : en
  • US2155898A - Fishhook extractor : en
  • US2156017A - High frequency apparatus : en
  • FR840301A - Extraction device for centrifugal knife extractors : en fr
  • GB504445A - Improvements in and relating to stocking form supports : en
  • GB504560A - Improvements in superheterodyne radio receivers : en
  • FR840363A - Shooting corrector against moving lenses : en fr
  • GB504320A - Improvements in or relating to brakes for vehicles, more particularly railway vehicles that operate on rack railways : en
  • USD114468S - Design for an electric iron : en
  • FR840331A - Improvements to the timing control of valvesless engines : en fr
  • DE675019C - Overmolding device : de en
  • DE675150C - Dynamic test method for determining the strength of the teeth of gears : de en
  • US2155384A - Pumping system and method of operating same : en
  • FR840585A - Improvements to incandescent electric lamps and discharge tubes : en fr
  • US2155535A - Book holder : en
  • US2156133A - Propeller : en
  • US2156201A - Refrigerator : en
  • GB504424A - Improvements in or relating to gas meters : en
  • GB504502A - Compass controlled switch : en
  • GB504672A - Compound sheet material for covering walls, roofs and the like : en
  • GB504592A - Improvements in the regulation of fuel injection pumps : en
  • US2155417A - Manufacture of protein composition : en
  • US2155658A - Surgical and medical preparations : en
  • DE674885C - Shim for cutting and punching tools : de en
  • GB504496A - Improvements in coupling gear for mowers : en
  • DE675063C - Process for the production of cuts for collars consisting of stand-up and drop collars for items of clothing : de en
  • AU447938A - Improvements in or relating to bearings : en
  • GB504822A - Improvements in or relating to toothed gears or like toothed members : en
  • US2155824A - Electron discharge device : en
  • FR840390A - Diazo dyes, process for their preparation and industrial applications : en fr
  • GB504481A - Improvements relating to clocks and other time-keeping mechanisms : en
  • DE674663C - Tail unit for aircraft : de en
  • DE674888C - Sound fading in and out device for electric musical instruments : de en
  • FR840426A - Rotor for gas turbines, steam turbines or compressors : en fr
  • US2155963A - Washing machine head frame : en
  • US2155599A - Boot or shoe : en
  • GB504810A - Improvements in furnace arches or crowns : en
  • FR840400A - Method and device for grinding wheat and other grains : en fr
  • US2156253A - Duplex centrifugal separator : en
  • DE674938C - Fixed bumper connection at the surface connection of collapsible aircraft surfaces : de en
  • FR840326A - Camera to take stock : en fr
  • GB504693A - Improvements in movement plates for clockwork mechanisms : en
  • GR8166B - TYPE OF FABRIC EXTRACTED FABRIC FOR SPACIALLY TREATED TOBACCO PACKAGES. : el en
  • GB504538A - Improvements in or relating to methods and devices for the electromagnetically controlled injection of fuel into internal combustion engines : en
  • US2155514A - Deflecting coil for cathode ray tubes : en
  • FR840429A - Water-soluble nitrogen compounds and their manufacturing process : en fr
  • FR840614A - Process for making stockings and socks and products obtained by this process : en fr
  • GB504322A - Improvements in and connected with vehicle doors and latch structures therefor : en
  • FR840620A - Glass roof without sealant : en fr
  • GB504913A - Improvements relating to gyroscopic instruments : en
  • DK56078C - Steam power plant with Heat accumulator. : da en
  • PL28159B1 - : en pl
  • DE675079C - Pull switch : de en
  • DK56096C - Ventilation systems for automobiles. : da en
  • FR840367A - Method and methods of treating metal surfaces : en fr
  • GB504826A - Improvements in or relating to convertible coal and gas fires : en
  • FR840572A - Improvements to the steering gear and the steam engines operating them : en fr
  • GB504444A - Improvements in toy aircraft : en
  • FR840568A - Paraffin manufacturing process : en fr
  • FR840606A - Gyroscope used for vertical indication, in particular for air navigation : en fr
  • GR8163B - CANON OF ANGIOMETRIC COMPASS (CORNER INSTRUMENT). : el en
  • DE674839C - Dragonfly : de en
  • GB504815A - Improvements in or relating to brushes or the like : en
  • FR840415A - Improvement in piano, organ and harmonium keyboards : en fr
  • FR840469A - Suspension for bicycles and especially for motorcycles : en fr
  • GB504300A - Improvements in or relating to carrier signalling systems : en
  • FR840539A - Filter for paint guns : en fr
  • GB504932A - Improvements relating to the magnetic recording or reproducing of sound : en
  • PL28205B1 - Transmitter with adjustable wave amplitude notoj. : en pl
  • US2156122A - Mechanism for use in decorticating fibers : en
  • US2155935A - Adjustable brassiere : en
  • US2156226A - Easel : en
  • US2155523A - Microtome : en
  • US2155695A - Loader anchorage for railway cars : en
  • US2155395A - Method of making a heat exchanging element : en
  • US2155588A - Typographical composing and distributing machine : en
  • DE675109C - Iron tunnel lining : de en
  • FR840437A - Continuous vertical carbonization retorts : en fr
  • PL28197B1 - Electric bulb with two banks. : en pl
  • US2156167A - Riveting machine : en
  • GB504372A - Improvements in and relating to carburetters for internal combustion engines : en
  • US2155390A - Sighting means for guns : en
  • AT155978B - Fireworks for signal ammunition. : de en
  • FR840423A - Bra : en fr
  • US2155386A - Knitting machine : en
  • US2155835A - Ceramic insulating material : en
  • FR840494A - Device intended for use in slaughterhouses for the preparation of certain animals such as oxen, calves or horses : en fr
  • GR8162B - CORNER OF ANGIOMETRIC COMPASS. : el en
  • GB504448A - Improvements in or relating to baffles for liquid and vapour drums of tubulous vapour generators : en
  • AU138838A - Improvements in or relating to shoe upper shaping machines : en
  • CH204185A - Process for the manufacture of a coating for castings made of concrete and coating obtained by this process. : en fr
  • DE674826C - Circuit arrangement for telephone systems with dialer operation : de en
  • GB504427A - Improvements in or relating to gas meters : en
  • GB504919A - Improvements in the supporting or suspension of engine and other power units : en
  • US2156241A - Outsert attachment : en
  • US2155609A - Multiple stage cementing : en
  • US2155987A - Safetypin : en
  • US2155992A - Marker : en
  • PL28144B1 - Starter for internal combustion engines. : en pl
  • PL28179B1 - Armchair or chair that can be converted into a sunbed. : en pl
  • PL28202B1 - A method of producing multi-color images on layers of halo-silver emulsion by color development. : en pl
  • GB504334A - Improvements in hair-waving apparatus : en
  • GB504484A - Improvements in or relating to rotary machines for drying granular and like materials : en
  • AT156034B - Process for introducing an alkali or alkaline earth metal into an evacuated space. : de en
  • FR840401A - Improvements to wrapped or ungimped rubber threads : en fr
  • FR840512A - New azo dyes : en fr
  • FR840377A - Process for disinfecting and de-poisoning dry or wet surfaces : en fr
  • GR8168B - SUBMARINE CAR. : el en
  • US2155768A - Apparatus for forming segmentapex cavities in citrus fruits : en
  • DE674950C - Control device for directional rollers of driving switches : de en
  • FR840604A - Inductance coil having a core made of finely divided ferromagnetic material : en fr
  • FR840563A - Halo-free photographic material : en fr
  • FR840351A - Feedback loudspeaker : en fr
  • FR840592A - Preparation of oxythioethers : en fr
  • GB504667A - Improved method of forming contrasting relief patterns on rubber articles : en
  • GB504666A - Improved process for producing pattern effects on textile fabrics : en
  • GB504633A - Improvements in and relating to adjustable windows : en
  • GB504722A - Improvements relating to the heating of rooms and other spaces by currents of air : en
  • DE674891C - Braking device, in particular single-chamber braking device, for trailer vehicles : de en
  • GB504638A - A new or improved device for the testing of joints in gas and like pipes : en
  • US2156238A - Method of manufacturing hats and products thereof : en
  • US2155585A - Firedoor operating mechanism : en
  • FR840454A - Interchangeable heel in rubber or similar material : en fr
  • FR840522A - Improvements to candles, candles and tapers : en fr
  • GB504621A - Improvements in or relating to the main bearings of internal combustion engines : en
  • US2155447A - Polymethine dyestuffs and a process of making same : en
  • US2155948A - Spraying metals or other materials : en
  • US2155661A - Light modulating device : en
  • USD114502S - Design fob a ribbon : en
  • FR840507A - Improvements to internal combustion engine carburetors : en fr
  • US2156192A - Plant for working mercury ores : en
  • PL28259B1 - Electric high-performance discharge lamp with mercury vapor. : en pl
  • CA380953A - Electric lamp : en fr
  • DE674959C - Sieve moved back and forth, heated by combustion gases : de en
  • AU107154B2 - Process for hydrolysing solid foodstuffs for human or animal consumption andthe products thereof : en
  • CA380975A - Loom two-colour rocking magazine : en fr
  • CA380950A - Electric valve apparatus control system : en fr
  • US2155867A - Sway bar : en
  • CA381018A - Wheel springing element : en fr
  • CH204272A - Device on tachographs for registering the instantaneous value of the pressure of a medium. : de en
  • CH204282A - Double-acting piston pump, especially for gas detection devices. : de en
  • AT156008B - Interchangeable heel made of rubber or the like. : de en
  • AT156036B - Stroboscopic facility. : de en
  • AU106860B2 - Improvements in or relating to connecting means for pipes or tubes : en
  • US2155991A - Combined typewriting and comput : en
  • CH204421A - Wheel tires for automobiles. : de en
  • FR840541A - Lockable chain tensioner for gear changes by chain shifting for cycles : en fr
  • GB504417A - Improvements in sulphonated terpenyl alkyl phenols : en
  • US2155804A - Method of reinforcement for handles and the like : en
  • US2155986A - Desuperheater : en
  • US2156009A - Mower attachment : en
  • US2156060A - System for determining positions by radio beacons : en
  • US2156199A - Electrical indicator : en
  • US2155774A - Furnace structure : en
  • FR840556A - Filler neck for the fuel tank of automobiles and similar vehicles : en fr
  • GB504591A - A process for the manufacture of shaped products, such as threads, films, flexible tubes and the like : en
  • FR840536A - Rectifier or detector assembly for ultra-short waves : en fr
  • US2155797A - Cosmetic holder : en
  • FR840325A - Improvements to telephone systems : en fr
  • GB504820A - Improvements in and relating to wrapper carrier mechanism for cigar making machines : en
  • DE675160C - Smoke generator with gas fire for smokers : de en
  • US2155555A - Iso-alloxazine derivatives and process for the manufacture of same : en
  • US2156018A - Stamp : en
  • US2156070A - Separation of tertiary olefins from gas mixtures : en
  • DE675098C - Cooling device for cylinders of internal combustion engines, compressors or the like. : de en
  • GB504686A - Improvements in or relating to electric switches : en
  • US2155626A - Method of making bushed chain links : en
  • US2156030A - Clutch : en
  • US2156225A - Reading stand : en
  • US2155435A - Treatment of feed water for boilers and the like : en
  • US2155637A - Sheet polishing machine : en
  • US2156196A - Vending machine : en
  • PL28194B1 - A method for producing hollow metal objects and an apparatus for carrying out the method. : en pl
  • US2155663A - Treatment of gaseous fuels : en
  • USD114449S - Design for a hat : en
  • DE675044C - Circuit for testing a line : de en
  • GB504295A - Improvements in or relating to a method of and apparatus for automatically conveying workpieces such as paper blocks and the like in a wire stitching machine : en
  • GB504405A - Improvements relating to welded construction : en
  • DK56083C - Gaseous electric light bulb whose Container is surrounded by a Sheath. : da en
  • BE433407A - : en fr
  • US2156105A - Container conveyer and distributor : en
  • US2156242A - Ergot derivative and process of obtaining it : en
  • GB504641A - Improvements in or relating to suction cleaners : en
  • CA381009A - Fastener assembly : en fr
  • US2155457A - Composition gasket : en
  • US2155566A - Fastening-inserting machine : en
  • US2155907A - Color-stable phenolic resin and process of making same and varnish containing same : en
  • US2155517A - Shaft for golf clubs : en
  • US2156152A - Web holding and guiding stopper : en
  • US2155736A - Cheese package : en
  • US2156026A - Side seam for sheet metal can bodies : en
  • US2156087A - Illumination : en
  • US2155526A - Reversible mining machine chain : en
  • US2155546A - Variable airfoil structure : en
  • US2155706A - Shirt : en
  • CH204351A - Mobile inductor for magneto lighting. : en fr
  • GB504308A - Improvements in or relating to bottles or containers of paper, wood-pulp or the like : en
  • GB504299A - Improvements in and relating to lighting arrangements of motor vehicles : en
  • DE674916C - Device to increase the sensitivity of fall stirrup regulators : de en
  • CH204365A - Electric oscillator device with piezoelectric crystal enclosed in a bulb. : en fr
  • FR840312A - High lift device for aircraft : en fr
  • FR840630A - A method of manufacturing rubber thread consisting of three or more joined filaments : en fr
  • US2155537A - High frequency electrical switch : en
  • US2156065A - Sweeping machine : en
  • FR840641A - Self-regulating device for the force applied by a pressurized fluid : en fr
  • FR840362A - Booster device for charging accumulator batteries : en fr
  • GB504813A - Improvements in respiratory apparatus for protection against toxic bodies and deleterious gases : en
  • AU107190B2 - Multiple compartment ampoule and hypodermic syringe : en
  • GB504392A - Improved apparatus for bringing fluids into intimate contact with one another : en
  • US2155424A - Window screen : en
  • US2155680A - Rotary table for machine tools : en
  • CH204400A - Pack for tobacco, pralines, dried fruit etc. : de en
  • US2155479A - Means and method for transmitting synchronizing pulses in television : en
  • US2155763A - Liquid and gaseous fuel carburetor : en
  • US2155796A - Valve control mechanism : en
  • US2156069A - Process of dyeing artificial textile materials from cellulose derivatives : en
  • US2156163A - Venetian blind : en
  • US2155756A - Pump silencing device : en
  • US2155925A - Electric receptacle : en
  • FR840369A - Improvements to closing curtains with metal slats : en fr
  • PL28167B1 - Form for filling absorption towers. : en pl
  • AT156041B - High frequency electrode. : de en
  • AU107185B2 - Amplifying electron discharge tube : en
  • AU107197B2 - Process forthe production of walland plate coatings : en
  • CH204418A - Control device for pressure medium brakes on trucks. : de en
  • DE675091C - Investment or carrier material for the production of ceramic tooth replacement parts, in particular tooth inserts or tooth crowns : de en
  • US2155689A - Switch : en
  • CA380962A - Time delay relay : en fr
  • US2155783A - Portable filling device : en
  • USD114522S - Design for an admission ticket : en
  • USD114450S - Design fob a finger ring : en
  • US2155506A - Controlled carrier modulation : en
  • USD114471S - Design fob a fbtjit coring tool : en
  • CA380889A - Metal casting apparatus : en fr
  • AU104538A - Improvements in or relating to molds freezing liquids : en
  • DK56099C - Egg carton. : da en
  • BE433578A - : en
  • CA380968A - Electric contactor : en fr
  • CH204237A - Process for the production of a new textile auxiliary. : de en
  • CH204364A - Adjustable earth fault extinguishing coil. : de en
  • CA381047A - Local oscillator circuit : en fr
  • PL28184B1 - A way to transform high boiling hydrocarbon oils into low boiling hydrocarbons. : en pl
  • US2155934A - Manufacture of artificial silk : en
  • US2156200A - Machine handle : en
  • PL28224B1 - A device for marking the path in the field. : en pl
  • PL28260B1 - A method of producing rubber products, rubber replacers and semi-finished products for the production of these products. : en pl
  • USD114517S - Design fob a typewriting machine : en
  • CH204246A - Process for the production of cellulose from bast fiber shives. : de en
  • CH204398A - Cap closure on tubes. : de en
  • USRE21060E - Electric toaster : en
  • US2155651A - Manufacture of aluminum alloys : en
  • USD114455S - Design for a jewelry element for : en
  • FR840397A - Electric discharge tubes and related provisions : en fr
  • FR840569A - Tin can with product extraction device : en fr
  • GB504359A - Improvements in and relating to collapsable tubes for containing liquid and plastic materials and methods of and apparatus for the manufacture of the same : en
  • CA381046A - Ultra high frequency oscillator system : en fr
  • CH204334A - Rotary piston machine. : de en
  • AT155968B - Process for the production of synthetic resins. : de en
  • US2156045A - Roller presser backstop device for sewing machines : en
  • CH204172A - Rail joint connection. : de en
  • DE674846C - Process for the production of rolled drum ends : de en
  • DE675095C - Extendable curtain rail : de en
  • BE433205A - : en
  • AU107207B2 - Improvements in or relating tothe dry separation of heavier particles from lighter ones, such as separation of particles of metal from sand : en
  • DE674964C - Stamp holder : de en
  • US2155892A - Stabilizing device : en
  • US2156063A - Electron discharge device provided with a cooling jacket : en
  • US2156175A - Pneumatic boat : en
  • DE675038C - Process for making shoes : de en
  • CA381007A - Automatic frequency control : en fr
  • DE675055C - Film holder for photographic enlargers : de en
  • AU147138A - Improvements in or relating to electrical circuit arrangements for electron multipliers : en
  • CH204468A - Device for preventing fogging of the windshield of motor vehicles. : de en
  • US2155556A - Phosphatic fertilizer : en
  • US2155729A - Miter joint : en
  • US2155863A - Resin compositions : en
  • AT156018B - Roll film camera. : de en
  • AT156035B - Device for the visible indication of the deviation from the course line. : de en
  • CA380933A - Cigarette packeting machine : en fr
  • CA381051A - Circuit arrangement for high frequency oscillations : en fr
  • US2155911A - Air cleaner : en
  • PL28248B1 - Method for the production of 2 - methyl - 4 - amino - 5 - cyanopyrimidine. : en pl
  • US2155665A - Puppet : en
  • CH204261A - Device for returning the heel of a boot against a ski. : en fr
  • CH204209A - Process for manufacturing objects based on cellulose esters. : en fr
  • CH204173A - Rail joint connection. : de en
  • FR840357A - Method and device for producing it, intended for coating containers, in particular with a view to their waterproofing : en fr
  • CH204195A - Temperature controller arrangement on electric hotplates. : de en
  • US2155749A - Safety razor and blade therefor : en
  • USD114475S - Design for a jewelry setting or : en
  • AU147838A - Improvements in brake mechanism for automobiles : en
  • AT156044B - Photoelectric light meter with two measuring ranges. : de en
  • AT156004B - Device on labeling machines for individual removal and conveyance of labels, banderoles and the like. like : de en
  • CH204207A - Bottle cap. : de en
  • CA381029A - Telephone support : en fr
  • US2155397A - Container and means for exhausting air therefrom : en
  • US2156191A - Firearm : en
  • DE674973C - Form roller inking unit for platen printing presses : de en
  • DK56091C - Heat meters for liquid, steam or air-carrying pipes. : da en
  • US2155444A - Hexylresorcinol capsule : en
  • US2156044A - Fixture for extension leaf tables : en
  • FR840319A - Electromagnetic device for transporting or compressing fluids : en fr
  • GB504533A - Improvements in and relating to electric picture reproducing means : en
  • GB504671A - Improvements in and relating to speed control devices for internal combustion engines : en
  • DE674989C - Device for displaying and registering small fluctuations in the oxygen content of the air : de en
  • DE675117C - Device for connecting trousers and trousers : de en
  • GB504537A - Improvements in buildings comprising brickwork walls : en
  • GB504554A - Improvements in and connected with reciprocating pumps, applicable also for motors : en
  • FR840502A - Advanced safety razor with recordable heated blade : en fr
  • FR840589A - Process for hardening iron by carburizing : en fr
  • US2155488A - Rubber steering wheel : en
  • US2155927A - Apparatus for charging furnaces : en
  • AU107202B2 - Method and specifics for protection of sheep from flies : en
  • DE674990C - Punch card machine, preferably card punch and punch card checking machine : de en
  • US2155643A - Die casting machine : en
  • US2155866A - Surgical reducing frame : en
  • CA381031A - Sound reproducing apparatus : en fr
  • FR840358A - Double-acting gripping tongue system for the belts of skirts, pants or other clothing : en fr
  • BE433202A - : en fr
  • CH204164A - Roller fruit mill. : de en
  • AU153338A - Method and specifics for protection of sheep from flies : en
  • PL28164B1 - Hanger for hanging sausages and meat products while smoking them * : en pl
  • AU141338A - Toilet accessory holder for ladies handbags : en
  • DE674951C - Circuit arrangement for telecommunication systems, in which the counter devices of the calling subscriber stations are controlled according to different tariffs : de en
  • CH204390A - Arrangement for modulating ultra-short waves. : de en
  • US2155602A - Apparatus for testing pipe connections : en
  • BE433331A - : en fr
  • CH204233A - Process for the preparation of a corticosterone ester. : de en
  • PL28236B1 - Method for the production of A5 - unsaturated 3 - epi - oxo compounds of the cyclopentanehydrophenanthrene series. : en pl
  • PL28241B1 - A method of moistening the yarn and an apparatus for carrying out the method. : en pl
  • CA381040A - Frozen confection wrapper : en fr
  • AU153738A - Improvements in or relating to telephone transmitters : en
  • CA380949A - Electric power system : en fr
  • PL28134B1 - A method for producing a vegetable and herbal drink. : en pl
  • US2155629A - Cam-action punch press : en
  • AT156033B - Goniometer. : de en
  • DE674900C - Gas-heated liquid heater with one or more swiveling operating handles : de en
  • DE675162C - Device for utilizing the difference in ignition voltages of glow lamps for advertising purposes : de en
  • US2156165A - Box stitcher : en
  • CA380956A - Fabric coating method : en fr
  • PL28230B1 - Method for the production of 2-keto-1-gulonic acid. : en pl
  • US2155813A - Tray attachment means : en
  • CH204181A - Lamellar radiators. : de en
  • DE674876C - Carrying frame for holding pie mold boxes in the kettle : de en
  • DE675077C - Connection or connecting terminal, in particular for electrical lines : de en
  • PL28220B1 - Fuel for internal combustion engines. : en pl
  • US2156176A - Device for delivering metallic leaf from a package thereof : en
  • AU147938A - Improvements in brake mechanism for automobiles : en
  • US2155903A - Apparatus for indicating the amount of pressure in automobile tires : en
  • DE674295C - Liquid shut-off valve for vacuum lines in vacuum apparatus, especially mercury vapor converters : de en
  • PL28206B1 - The building is made of corrugated boards. : en pl
  • AU149738A - Multiple compartment ampoule and hypodermic syringe : en
  • US2155413A - Welding apparatus : en
  • USD114461S - Design for a bottle : en
  • PL28157B1 - Electric engine. : en pl
  • US2155652A - Arrangement for coupling high frequency circuits : en
  • AU107172B2 - Improvements in and relating tothe method of fuelling of internal combustion engines of compression ignition type : en
  • US2155960A - Scum remover : en
  • US2155623A - Toaster for electric range : en
  • US2155745A - Method of preparing lubricating : en
  • US2155456A - Stabilizing device for ships : en
  • AT156040B - Tuning device with optional setting to predetermined frequencies. : de en
  • AU148638A - Improvements in inductor type electric relays : en
  • PL28199B1 - The method of transporting and separating liquefied gas and the device used for this purpose. : en pl
  • US2155559A - Glass run for slidable windows : en
  • US2156050A - Device for balling yarn for knitting or crocheting purposes : en
  • CH204348A - Accumulator. : de en
  • AT155956B - Liquid atomizer. : de en
  • AT156032B - Circuit arrangement for the mutual separation of high-frequency and low-frequency messages. : de en
  • DE675148C - Vulcanizable rubber compound with good bondability to metal : de en
  • US2155649A - Thermionic valve oscillator arrangement : en
  • US2155801A - Connector for bag straps and the like : en
  • US2156042A - Centralized traffic controlling system for railroads : en
  • US2155617A - Direction turn indicator for vehicles : en
  • US2155865A - Apparatus for indicating the amount of pressure in pneumatic tires for automobiles : en
  • US2155624A - Locomotive stoker : en
  • US2155659A - Light modulating device : en
  • DE674470C - Device for reversing the direction of rotation of low-power DC motors : de en
  • US2155812A - Coat sleeve form : en
  • FR840424A - metal case for riflescope : en fr
  • GB504503A - Improvements in and relating to sound reproducing apparatus for endless band sound record carriers : en
  • GB504572A - Improvements in dyeing artificial silk with acid dyes : en
  • US2155418A - Furnace construction : en
  • US2155431A - Web roll control mechanism for printing machines : en
  • US2156219A - Chemical plugging of brinebearing strata : en
  • DE674864C - Reversible sleeve with a T-shaped profile : de en
  • DE674915C - Arrangement for influencing a large number of receivers distributed in the power distribution network by repeated voltage drops : de en
  • GB504450A - Improvements in the automatic lighting of an electric stop signal on cycles : en
  • GB504395A - Improvements in or relating to processes of concentrating non-metallic minerals fromores containing silicious matter : en
  • GB504623A - Improvements in or relating to photographic cameras incorporating a range finder : en
  • DE675168C - Door lock for vehicles, especially motor vehicles : de en
  • GB504696A - Improvements in high- or intermediate-frequency thermionic amplifiers : en
  • AT155959B - Process for the production of iron, steel and iron alloys by treating molten, liquid pig iron with sodium salts. : de en
  • CA380998A - Chemical manufacture : en fr
  • CH204265A - Aiming device for play and practice purposes. : de en
  • US2155529A - Liquid pressure remote control system : en
  • US2155732A - Permutation padlock : en
  • US2155746A - Marking carcasses : en
  • DE673994C - Process for producing an electrode with a porous or roughened surface, in particular for electrolytic capacitors : de en
  • AU96738A - Improvements in or relating to goniometer coils for radio direction finding systems : en
  • CA381003A - Electrical insulating material : en fr
  • PL28267B1 - A tube or a container of paper, cardboard or similar material for the storage of solid masses. : en pl
  • PL28213B3 - Wrapping method - paper cover of a four-sided cardboard box. : en pl
  • PL28223B1 - A method of producing absorbent mass for absorbers used in oxygen breathing apparatus. : en pl
  • US2155437A - Tube drawing method : en
  • US2155837A - Blow-out preventer : en
  • US2155889A - Road surfacing device : en
  • FR840448A - Device for automatic signaling of changes of direction of one or more trolley vehicles : en fr
  • GB504386A - Improvements in or relating to high tension ignition systems : en
  • GB504674A - Improvements in or relating to coke ovens : en
  • CA380992A - Rubber processing : en fr
  • US2155553A - Conveyer : en
  • AU49938A - Improvements in or relating to safety razors : en
  • US2155561A - Centralized traffic controlling system for railroads : en
  • US2155621A - Rubber process and product : en
  • US2155954A - Underfired regenerative coke oven : en
  • US2155996A - Display cover for boxes : en
  • USD114456S - Design for a rotatable advertising : en
  • USD114481S - Design for a child s coat ob similar : en
  • US2156190A - Attachment for road grader blades : en
  • US2156214A - Rack for rectangular roasters : en
  • GB504442A - Grounding device for coaxial conductor lines : en
  • PL28143B1 - Device for supporting the lower jaws in a flat brushing machine for wool, cotton, wrapping natural or artificial silk, hemp, linen or similar fibers. : en pl
  • US2155696A - Measuring circuit : en
  • US2156079A - Electrical discharge device : en
  • US2156115A - Carburetor : en
  • CA380999A - Chemical manufacture : en fr
  • CH204210A - Textile machine provided with a device for cleaning its stretching member. : en fr
  • PL28225B1 - Method of impregnating wooden poles, masts etc. with freshly cut trees. : en pl
  • US2155416A - Tube expander : en
  • AU107167B2 - Improvements in or relating toa method of and apparatus forthe manufacture of metal tubes andother tubular articles : en
  • GB504380A - A new or improved means for joining and securing together two articles such as armour-plates, machine-gun and other framework and parts of mechanical devices : en
  • CA381043A - Radio volume control and noise suppressor : en fr
  • CH204168A - Pesticides. : de en
  • CH204258A - Drawing device. : de en
  • DE675058C - Membrane sound generator : de en
  • US2155904A - Illuminated sign : en
  • CH204349A - DC motor system. : de en
  • CA381059A - Refrigeration system : en fr
  • AT155985B - Airplane with two counter-rotating jack screws that are also used for propulsion. : de en
  • PL28277B1 - A method of producing and regenerating active colloids containing carbon. : en pl
  • US2155717A - Process for preparing addition products of alkali metal perborates and urea : en
  • US2156193A - Antiseptic, disinfecting, and preserving media : en
  • US2156244A - Means and method of treating strands : en
  • US2156227A - Engine packing : en
  • US2155490A - Convertible chair bed : en
  • US2155669A - Vacuum cleaner : en
  • GB504782A - Improvements in and relating to method of and apparatus for conveying and conditioning materials : en
  • CH204405A - Rotary head for the separate extraction of two fluids, in particular pressurized water and compressed air from car washing facilities. : de en
  • CA381053A - Electron discharge device : en fr
  • PL28189B1 - A method of producing a fine-grained material from an aluminum alloy for the production of sliding bushings. : en pl
  • US2155718A - Wash-pipe anchor : en
  • US2155491A - Condenser tube seal : en
  • US2155905A - Insert for shoe heels : en
  • US2155589A - Typographical composing and distributing machine : en
  • US2155862A - Duplicating ink : en
  • US2155775A - Internal combustion engine : en
  • US2155811A - Floral aquarium : en
  • US2155753A - Fishing line distributor : en
  • US2155974A - Driving mechanism : en
  • CA381038A - Television system : en fr
  • US2156054A - Dry rectifier : en
  • CH204304A - Glue clamp. : de en
  • US2156076A - Automatic fidelity control : en
  • US2155508A - Wave guide impedance element and network : en
  • US2155848A - Insulator : en
  • USD114524S - Design for an atomizer : en
  • AT156030B - Scale for radio receivers and similar apparatus. : de en
  • CH204220A - Small portable tumble dryer. : de en
  • US2155993A - Typewriting machine : en
  • US2155791A - Carton : en
  • DE674519C - Warning signal system for railway crossings : de en
  • CH204273A - Number indicating device. : en fr
  • CA380963A - Time delay relay : en fr
  • AT156014B - Resistance arrangement for film projectors. : de en
  • CA380894A - Automobile bumper : en fr
  • CA380934A - Tobacco rod forming device : en fr
  • FR840553A - Electric discharge tube : en fr
  • DE674896C - Electric gas switch : de en
  • FR840508A - Advanced pressing and ironing machine : en fr
  • FR840313A - Accumulating electrode image analyzer tube : en fr
  • FR840609A - Electronic discharge device : en fr
  • GB504432A - Improvements in high-pressure mercury-vapour electric discharge lamps : en
  • GB504553A - Improvements in or relating to electric clocks : en
  • US2155618A - Display sign : en
  • FR840341A - Advanced training in the window closers : en fr
  • FR840487A - Improvements to automatic piloting devices for airship vehicles : en fr
  • GB504606A - Improved winding mechanism for photographic roll-film cameras : en
  • AU169439A - Ceramic goods : en
  • CA380976A - Paper container : en fr
  • FR840404A - Mounting for multistage amplifiers, in particular with push-pull stages mounted in class b : en fr
  • GB504387A - Improvements in or relating to foot-and like game-balls : en
  • GB504673A - A process for the manufacture of a substitute for veneers in the production of plywood or cabinet-maker's sheets : en
  • CH204310A - Fixing device for objects to be subjected to machining and other operations. : en fr
  • CH204352A - Arrangement for regulating prime movers. : de en
  • CH204263A - Percussion rocket projectile. : en fr
  • US2155632A - Air conditioning system : en
  • CH204320A - Chuck bushing on machine parts. : de en
  • US2155452A - Pump : en
  • US2155721A - Glass-making material : en
  • US2155784A - Process for removing shale from a naturally occurring borate : en
  • FR840490A - Process for obtaining beryllium alloys : en fr
  • GB504396A - Apparatus for the electrical treatment of gaseous fluids : en
  • AU107206B2 - Garment renewing machines : en
  • DE674930C - Method for inserting rubber weft threads between the stitches of knitted goods on flat edge knitting machines and flat edge knitting machines for carrying out the process : de en
  • BE433281A - : en
  • CA380957A - Bituminous composition : en fr
  • CH204373A - Device with an electric gas discharge tube. : de en
  • CH204458A - Process for the production of a synthetic tanning agent. : de en
  • CH204294A - Waterproof push button device for chronograph. : en fr
  • AU149538A - Improvements in methods and machines for making metallic screens : en
  • CA380921A - Furnace draft regulator : en fr
  • CA381005A - Radio receiver tuning system : en fr
  • PL28201B3 - producing dry pectin with a high gel-forming ability from sugar beet. : en pl
  • PL28163B1 - Receiving device in combing machines for wool, cotton, quilted silk, hemp and linen. : en pl
  • AU441737A - Amplifying electron discharge tube : en
  • FR840587A - Power distribution systems : en fr
  • GB504488A - An improved score indicator applicable to darts and the like : en
  • AU504938A - Improvements in electric glow discharge lamps : en
  • AT155966B - Bar of soap with protective cover and grooves on the circumference. : de en
  • AU107194B2 - Improvements in current supply arrangements for use in telephone systems : en
  • CH204399A - Tube safety lock. : de en
  • US2155750A - Motor vehicle : en
  • US2155879A - Semiarticulated forming hood for up-type coilers : en
  • US2155875A - Method of preparing padding for inner trim panels : en
  • CA381042A - Tunable radio frequency circuit : en fr
  • GB504425A - Improvements in or relating to gas meters : en
  • GB504588A - Improvements in or relating to methods of and apparatus for treating readily oxidizable molten metal to produce a continuous solid strip therefrom : en
  • CA380926A - Loose leaf binder : en fr
  • CH204180A - Automatic liquid heater. : de en
  • GB504358A - Improvements in and connected with operating mechanism for pivoted windows, doors, panels and the like : en
  • USD114440S - Design for a supper : en
  • DE663297C - Process for melting gray cast iron in a foundry shaft furnace using preheated wind : de en
  • US2155600A - Scale and indicating means for use in connection therewith : en
  • US2155869A - Wheel bolt : en
  • CH204388A - Circuit arrangement for generating harmonic frequencies from a fundamental frequency. : de en
  • DE674838C - Process for producing edge protection for multilayer, shatterproof glasses : de en
  • DE674842C - Semi-automatic driver for turning between centers : de en
  • DE674886C - Process for the manufacture of grooved pins with head : de en
  • DE674991C - Control glass for viewing openings, especially for carrier pigeon clocks : de en
  • US2155462A - Windshield cleaner : en
  • US2156062A - Tensioning tool : en
  • GB504515A - Improvements in and connected with stands for sports' grounds, circuses and other entertainments and for like purposes : en
  • AU432938A - Improvements in or relating toa method of and apparatus forthe manufacture of metal tubes andother tubular articles : en
  • CH204345A - Fully automatic cooling system. : de en
  • FR840317A - Soil drilling system, more particularly for driving formwork or other devices used for pouring concrete foundations in place : en fr
  • GB504721A - A process of stabilising solutions or suspensions of therapeutic substances : en
  • GB504431A - Improvements in or relating to gyroscopic apparatus : en
  • PL28235B1 - A method for the preparation of water-soluble disubstituted xanthine heterocyclic mercury compounds. : en pl
  • AU99938A - Improvements in or relating to tins andother similar containers : en
  • FR840307A - Cinematographic projection device : en fr
  • FR840543A - Opening and closing control device for valves running in the open air : en fr
  • GB504921A - Garages : en
  • GB504527A - Improvements in time-controlled actuating mechanism : en
  • GB504536A - Ward-leonard drive, especially for driving gun-laying machines or the traversing gear of gun-turrets : en
  • GB504710A - Improvements relating to mechanical scoring devices : en
  • CA381052A - Resilient wheel : en fr
  • US2156074A - Energizing circuit for unilaterally conducting devices : en
  • FR840302A - Grinding cylinder for calenders : en fr
  • DE675061C - Reinforcement for hip belt or the like. : de en
  • FR840649A - Cable gland for conductors or electrical cables under rubber or textile braid with or without external metal lining : en fr
  • FR840612A - Simple device to prevent the theft of motor cars : en fr
  • FR840318A - Flat or indefinable false eyelashes applied by cellulose adhesive one by one or in tufts : en fr
  • GB504931A - Spring motor mechanism for toys : en
  • GB504727A - Improvements in or relating to garment and like pressing machines : en
  • US2156249A - Glass cutter : en
  • DE675096C - Chair convertible into a table : de en
  • GB504305A - Improvements in or relating to compressed-gas operated electric switches : en
  • FR840479A - High pressure shut-off valve : en fr
  • GB504385A - Improvements in or relating to rotary blowers or compressors : en
  • GB504480A - Improvements in or relating to a method of manufacture of a fireproofing material and to its application : en
  • GB504529A - Process for producing synthesis gas by gasification of fuels under elevated pressure : en
  • GB504715A - Improvements in and relating to electric motor control : en
  • US2155929A - Score registering device : en
  • DE675151C - Clamping device for torsion dynamometer on dynamically acting material testing machines or the like. : de en
  • GB504829A - Improvements in metal working and like machine tools : en
  • FR840516A - Electro-pneumatic control for compressed air switches : en fr
  • GB504341A - Improvements in ribbons for typewriters and like machines : en
  • GB504678A - Improvements in and relating to centrifugal electric switches : en
  • PL28142B1 - A method for producing liquid hydrocarbons from gases and an apparatus for producing the method. : en pl
  • US2155392A - Method of forming printing cylinders : en
  • US2155941A - Battery supporting means : en
  • DE674847C - Process for applying light-sensitive layers to surfaces : de en
  • FR840489A - Improvement in boat propellers : en fr
  • US2156141A - Heterocyclic azo compounds and a method of producing the same : en
  • US2156229A - Sleeping car : en
  • GB504309A - An improved apparatus for testing the quality of grain and flour : en
  • US2155895A - Automatic feeding device : en
  • DE675128C - Ice box : de en
  • FR840409A - Electric wave signaling systems : en fr
  • FR840571A - New process for operating internal combustion engines in a closed circuit with gasifiers : en fr
  • GB504270A - Improvements relating to speed-responsive devices : en
  • US2155703A - Generator drive : en
  • GB504421A - Improvements in radio receivers or other radio frequency amplifiers provided with automatic volume control : en
  • CH204442A - Process for the production of a new azo dye. : de en
  • FR840328A - Plastic packaging : en fr
  • FR840450A - Machine for screening and crushing charcoal and similar materials : en fr
  • US2155407A - Electrical conductor : en
  • PL28242B1 - Slider. : en pl
  • CA380997A - Pressure lamp or stove : en fr
  • FR840364A - Rollable roadway, especially on marshy terrain : en fr
  • FR840466A - Process for the continuous production of glass composed of several layers : en fr
  • GB504324A - Improvements in erasure shields : en
  • CH204425A - Safety device. : de en
  • GB504635A - Improvements in bottle washing machines : en
  • US2155685A - Azo dyes : en
  • US2155714A - Hand sled : en
  • US2155660A - Light modulating device : en
  • DE675076C - Procedure for switching the tuning range of electrical oscillating circuits : de en
  • FR840382A - Improvements to the tails of porcelain or glass containers : en fr
  • GB504500A - Improvements relating to containers for bituminous materials : en
  • US2156236A - Process and apparatus for extraction of oils, fats, and other soluble constituents from materials containing the same : en
  • USD114480S - Design for a billfold : en
  • CH204377A - Device to protect against venereal infection. : de en
  • US2155499A - Method of waterproofing hygroscopic materials : en
  • CH204267A - Device for length measurement on an electromagnetic basis. : de en
  • GB504524A - Improvements in or relating to composite soles for footwear : en
  • GB504612A - Improved orthopaedic footwear : en
  • GB504788A - Improvements relating to aeroplanes : en
  • DE674935C - Check valve with a lifting piston that is acted upon by the operating medium and that supports the opening movement of the valve : de en
  • CA381050A - Television system : en fr
  • DE675164C - Rotary lobe pump or compressor with a spherical housing : de en
  • FR840540A - Tap for beer dispensing systems : en fr
  • GB504574A - Improvements in sewing machine benches : en
  • GB504476A - Improvements in ventilators : en
  • GB504605A - Improvements in extrusion machines : en
  • GR8171B - FAN ADJUSTED TO SEWING MACHINES. : el en
  • US2155693A - Ophthalmic mounting : en
  • US2155902A - Tank ball valve : en
  • US2156211A - Teat cup for milking machines : en
  • US2155899A - Sulphated aliphatic ethers : en
  • US2155682A - Method of making abrasive metal carbides : en
  • US2155761A - Metering valve : en
  • US2155793A - Pea hulling machine : en
  • US2156041A - Variable speed transmission : en
  • USD114448S - Design fob a roof for a vehicle body : en
  • AU140538A - Improvements in or relating to electron discharge devices of the non-microphonic type : en
  • CA380899A - Aircraft ski pedestal : en fr
  • FR840565A - Process for coating, thermoplastic synthetic products, electrical conductors : en fr
  • DE675009C - Spray gun : de en
  • FR840597A - Apparatus for the preparation of sulphite solutions : en fr
  • GR8161B - CENTRAL PUMP. : el en
  • AT156000B - Device for practice shooting using compressed air from machine guns. : de en
  • AU140438A - Process for hydrolysing solid foodstuffs for human or animal consumption andthe products thereof : en
  • FR840353A - Improvements to men's underpants and pajamas, combined or not with briefs : en fr
  • FR840391A - Improvements to projectiles for transporting a charge, in particular a volatile product, to be released at the point of impact : en fr
  • FR840416A - Water tube boiler, more particularly intended for use as a marine boiler : en fr
  • GB504585A - Improvements in or relating to moulds for freezing liquids : en
  • FR840617A - Staple device for junction of motion transmission belts : en fr
  • GB504403A - Improvements relating to circular sewage distributors : en
  • CA381056A - Crepe thread and fabric : en fr
  • FR840444A - Process for separating cut tabs on both sides of a strip of tin, more especially for electroplated colored slide fasteners : en fr
  • GB504718A - Improvements in or relating to rotary wing aircraft : en
  • BE433107A - Improvements to automatic pistols. : en fr
  • CH204268A - Ventilation device on the dispensing hose of a tap. : de en
  • DE675027C - Ball joint multiple switch : de en
  • USD114453S - Design for a safety reflector for an : en
  • US2155733A - Gelatin : en
  • US2155864A - Milling machine : en
  • US2156029A - High frequency oscillator : en
  • PL28168B1 - Fluid hydrocarbon signal beacon. : en pl
  • GB504702A - Improvements in valves of internal combustion engines and cooling means therefor : en
  • FR840546A - Multi-speed shifting with three parallel shafts, especially for motor cars : en fr
  • GB504597A - Improvements in or relating to rubber tyres : en
  • GB504654A - Improvements in or relating to apparatus for turning spherical, elliptical, cylindrical and the like shapes on a lathe : en
  • CA12353S - Tyre tread : en
  • CH204235A - Process for isomerizing the hydroxyl group of an alcohol from the cyclopentanopolyhydrophenanthrene series. : de en
  • GB504298A - Bearing for roll-film cassettes : en
  • GB504624A - Improvements in ore and like concentrators : en
  • GB504632A - A buckling folding machine having a plurality of successively arranged parallel folders : en
  • GB504659A - Transport apparatus for stretchers : en
  • FR840427A - Gas turbine tuning process : en fr
  • US2155949A - Lure for combating rodents : en
  • DE674932C - Control device for an air treatment system : de en
  • DE674897C - Method of treating mica prior to use in electrical discharge devices : de en
  • GB504418A - Improvements in portable sound reproduction equipment : en
  • US2155928A - Cash register : en
  • US2156033A - Reverse clutch mechanism : en
  • US2155664A - Refrigerating apparatus : en
  • USD114496S - Design for a dress : en
  • US2155507A - Wave record analyzer : en
  • DE674963C - Ring binder mechanism : de en
  • US2155503A - Motor vehicle : en
  • FR840618A - Method and device for the continuous guidance of a working instrument, particularly machining tools : en fr
  • GB504660A - Improvements in or relating to ship's logs : en
  • GB504925A - Improvements in and relating to soot-blowers : en
  • GB504393A - Improvements in or relating to means for driving the cam shafts and auxiliaries of internal combustion engines : en
  • CA381044A - Multiplex cable code telegraphy : en fr
  • CH204188A - Hinge with bands at least partially made of veneer sheets. : de en
  • CH204222A - Warmth fabric for clothing, blankets, sanitary towels or the like. : de en
  • CH204280A - Magnet system, in particular for electrical measuring devices. : de en
  • US2155789A - Resistance shunt : en
  • US2156187A - Wire bending and clenching tool : en
  • US2155574A - Closure : en
  • GB504694A - Improvements in electric timepieces : en
  • GB504578A - Improvements in metal radiants for gas fires and the like : en
  • DE674922C - Commutator for electrical machines : de en
  • DE673567C - Power plant with internal combustion engine serving as a generator of propellant gases under excess pressure : de en
  • FR840627A - Decomposition of lime sulphate and resulting new products : en fr
  • GB504339A - Pencil sharpening device adapted to be secured on the hand : en
  • DE674970C - Letterpress high-speed press with automatic sheet feed and deposit device : de en
  • PL28138B1 - Indicator device for measuring the speed of combustion engines. : en pl
  • FR840392A - Improved process for dewaxing waxy hydrocarbon oils : en fr
  • FR840528A - Process for casting magnesium and its alloys in wet sand molds : en fr
  • CA380897A - Tobacco kiln heating apparatus : en fr
  • US2156047A - Driving connection : en
  • GB504697A - Improvements relating to electrically heated ovens : en
  • US2155984A - Temperature control system : en
  • FR840463A - Special steel : en fr
  • FR840611A - Grain mill, compression, adjustment and disengagement by hydraulic float : en fr
  • DE675056C - Stamp template, the pattern of which consists of a chromate gelatin wash-out relief : de en
  • FR840492A - Improvements to transmission systems : en fr
  • FR840511A - Potentiometer or adjustable resistance whose axis of rotation is not energized : en fr
  • FR840575A - Drag reel, for baitcasting : en fr
  • GB504648A - Improvements in or relating to rear forks and stays for cycles : en
  • GB504331A - Improvements in or relating to hop picking machines : en
  • GB504912A - Improvements relating to gyroscopic instruments : en
  • GB504555A - Apparatus for producing sounds by the displacement of objects : en
  • FR840408A - Electronic discharge devices : en fr
  • FR840560A - Device for adjusting the ignition instant of internal combustion engines, in particular of aircraft engines : en fr
  • DE675057C - Device for ships with rotary wing propellers to shorten the stopping distance : de en
  • GR8167B - SORTING OF OILS AND OTHER FRUITS. : el en
  • DK56080C - Electrical Primary Element. : da en
  • FR840347A - Method and device for the maintenance of teeth and the prophylaxis of dental caries : en fr
  • FR840425A - Compressor or rotary vane pump : en fr
  • FR840624A - Float pad for capping tanks or variable-level containers : en fr
  • US2155939A - Vehicle axle : en
  • USD114515S - Design for a printed textile fabric : en
  • GR8176B - METAL UTENSILS : el en
  • GB504708A - Magnetron telegraphic repeater : en
  • FR840628A - Carburetor improvements for internal combustion engines : en fr
  • US2155385A - Pile fabric and method of making same : en
  • US2156025A - Support : en
  • US2156139A - Sheet feeding machine : en
  • IE15463L - Cream ripeners : en
  • DK56077C - Process for the preparation of o- or p-aminoaryl sulfones. : da en
  • CH204309A - Grinding machine comprising two grinding wheels, one for external work and the other for internal work and a profiling device. : en fr
  • US2155434A - Transmission mechanism : en
  • US2155449A - Self-luminous article : en
  • DE674924C - Procedure for starting single-phase asynchronous motors : de en
  • CH204318A - Helical spring designed to secure the nut. : de en
  • DE675052C - Welding socket connection : de en
  • GB504319A - Improvements in haulage apparatus for trains of trucks or the like : en
  • US2155422A - Combine : en
  • US2155656A - Manufacture of envelopes : en
  • US2156068A - Gaseous electric discharge lamp : en
  • USD114466S - Design for an electric iron : en
  • PL28283B3 - A method of obtaining arbitrarily high quality liquefied gases with a low boiling point and an apparatus for carrying out the method. : en pl
  • US2155627A - Outlet box anchoring device : en
  • US2155557A - Motor control : en
  • USD114467S - Design for an electric iron : en
  • US2155400A - Combination overflow and pressure valve : en
  • US2155922A - Method of preparing organic mercury compounds : en
  • US2155930A - Portable melting ladle : en
  • US2156222A - Counterelectromotive-force cell : en
  • AT155969B - Motor fuel. : de en
  • DK56079C - Facilities for remote indication, in particular of the location of trains on railway lines. : da en
  • GB504541A - Improvements in apparatus for playing in indoor games : en
  • GB504539A - Arrangement of aircraft engines : en
  • GB505174A - Improvements in or relating to refrigerating systems : en
  • CH204167A - Device for attaching and removing nesting boxes for cave breeders, respectively. of tree trunks. : de en
  • FR840545A - System allowing the reversibility of the cuffs and collars of men's shirts : en fr
  • FR840594A - Bottle for spreading liquids on surfaces : en fr
  • GB504435A - Improvements in or relating to permanent magnets and processes for the production thereof : en
  • AU107176B2 - Improvements in brake mechanism for automobiles : en
  • CH204350A - Arrangement for harmonic compensation in three-phase transformers or three-phase reactors. : de en
  • CH204408A - Device for venting vehicle compartments. : de en
  • US2155442A - Means for sampling a liquid : en
  • US2155564A - Wheel and tire assembly : en
  • US2155597A - Method of reducing the area of fabrics and making articles therefrom : en
  • US2155860A - Automatic controlling device for tandem mills : en
  • PL28219B1 - The method of producing pyrimidine derivatives. : en pl
  • GB504645A - Improvements in electro-magnetically operated mechanical shavers or hair cutters andthe like : en
  • US2155420A - Apparatus for the detection of displacements : en
  • USD114489S - Design for a clip pin : en
  • US2155921A - Vehicle wheel : en
  • US2156161A - Sealing device : en
  • US2155573A - Machine tool : en
  • FR840644A - Squeegee for printing Lyonnaise fabrics : en fr
  • GB504459A - Improvements in or relating to brake valves for fluid pressure brakes : en
  • GB504567A - Improvements in or relating to shutters for photographic cameras : en
  • USD114482S - Design for a roof for a vehicle body : en
  • DK56089C - Stand for Cooking or Frying Basket. : da en
  • AT155990B - Exchange pen. : de en
  • CA381022A - Electrical relay : en fr
  • CA381027A - Pipe fitting : en fr
  • GB504507A - Systems of guiding by radio-electric waves, particularly for guiding aeroplanes in altitude : en
  • GB504910A - Process for the catalytic conversion of mixtures of carbon monoxide and hydrogen : en
  • DE675005C - Process for the production of knife strips for thread milling machines : de en
  • AT156042B - Radio receiver with means to facilitate voting. : de en
  • CH204335A - Four-stroke internal combustion engine with a compressor driven by an exhaust gas turbine for the scavenging and charge air. : de en
  • US2156208A - Tubular scaffolding bracket : en
  • GB504441A - Improved method of manufacturing drawing dies : en
  • GB504618A - Improvements relating to the production of sperm determinants : en
  • FR840562A - Valve : en fr
  • GB504646A - A new device for polishing terrazzo walls, steps or the like : en
  • GB505085A - Improvements in or relating to sparking plugs : en
  • US2155677A - Car roof : en
  • DE674948C - Hollow milling head for cleaning pipe inner surfaces : de en
  • FR840385A - Pickling process for metallic coating of metals : en fr
  • PL28279B1 - : en pl
  • US2155438A - Shoe machine : en
  • US2156235A - Safety device for gas burners : en
  • CA380898A - Electric circuit controlling apparatus : en fr
  • CA380910A - Water clarifier : en fr
  • CH204393A - Gear for climber. : en fr
  • CH204432A - Device for hanging towels and the like. : de en
  • CH204340A - Fuel injection device in internal combustion engines. : de en
  • US2155419A - Apparatus for the detection of displacements : en
  • CH204424A - Railway vehicle. : en fr
  • PL28180B1 - Manufacturing of buckets from stainless steel sheet. : en pl
  • BE433221A - : en
  • AT155972B - Process for the production of high-gloss hollow bodies that retain their dimensions from cellulose products with the character of acetyl cellulose. : de en
  • PL28127B1 - Device for making dental lace. : en pl
  • US2155591A - Vulcanizable plasticizer : en
  • USD114463S - Design fob an electric iron : en
  • US2155524A - Electric igniter for gas burners : en
  • US2155985A - Blind : en
  • CH204363A - Circuit breaker with polarized relay. : de en
  • CA381024A - Signalling system for automotive vehicles : en fr
  • AT155955B - Cylinder lock with asymmetrical key that can be opened from both sides. : de en
  • CH204448A - Process for the production of a new azo dye. : de en
  • CA381036A - Electric wiring connection : en fr
  • US2155743A - Tongue protector : en
  • AU153938A - Improvements in or relating to supply circuits for thermionic valves : en
  • US2156066A - Ice removing device : en
  • USD114433S - Design fob a lighting fixture : en
  • GR8173B - TEXTILE BONE OUT OF RUBBER. : el en
  • US2155443A - Planter : en
  • US2155543A - Fruit picker : en
  • US2155989A - Typewriting machine : en
  • CH204257A - Sheath for pens, pencils and crayons. : de en
  • AU107212B2 - Improvements in method of and apparatus for feeding and spreading cotton yarn orthe like from warps thereof and cutting same into lengths for manufacturing mops orthe like : en
  • PL28136B1 - A device for simultaneously conducting two telephone conversations on one line circuit or for simultaneously transmitting two telegrams over it by means of electric valves, controlled with supersaudible frequency and the opposite phase. : en pl
  • US2155470A - Combined clutch and transmission control : en
  • US2155647A - Treatment of animal fibers : en
  • CH204322A - Piston with sleeve seal. : de en
  • DE674946C - Roller crank guard strike for looms : de en
  • GB505084A - Manufacture of azo-dyestuffs insoluble in water : en
  • US2156157A - Stock controlled mechanism : en
  • PL28176B1 - Ferroconcrete shapes for the construction of air-raid shelters and ^ the method of building these shelters. : en pl
  • DE674795C - Method and device for producing an air- and moisture-tight zip fastener for box packs, in particular cigarette boxes : de en
  • DE674901C - Valve for heating systems : de en
  • CH204226A - Flexible shoe. : de en
  • US2155396A - Flying shear : en
  • US2155919A - Shaft bearing mounting : en
  • AT155976B - Oven for open washing kettles. : de en
  • US2155610A - Composite roll : en
  • US2156213A - Animal trap : en
  • GB504378A - Improvements in sensitive photographic films : en
  • AU141738A - Improvements in or relating to frequency control systems : en
  • AT156006B - Arc lamp. : de en
  • DE675059C - Device for determining the elevation and side angles of the sound received from an aircraft : de en
  • US2155583A - Merchandise display apparatus : en
  • US2155923A - Method of bleaching nut shells : en
  • AT156017B - Molding machine. : de en
  • CH204460A - Calculating disc rule. : de en
  • GB504683A - Improvements in apparatus for grading objects according to their effects on a light beam : en
  • PL28216B1 - A method of making spongy tampons, caps, bands and the like porous products. : en pl
  • PL28276B1 - Card file with automatic mechanical control of correct card deposition. : en pl
  • US2155409A - Aircraft with autorotative wings : en
  • PL28231B1 - Machine for making cigarettes. : en pl
  • US2155822A - Illuminated decorative device : en
  • US2155853A - Method of purifying flue gases : en
  • USD114452S - Design for a plate or similar article : en
  • DE1463428U - : de en
  • DE674942C - Mallock with a single adjusting member that can be moved perpendicular to the plane of the lock : de en
  • CA380908A - Circular mail sorting table : en fr
  • CA380965A - Refrigeration apparatus : en fr
  • DE675163C - Film drum with hinged fire protection channel inclined to the drum circumference : de en
  • FR840623A - Improvements of a lighting apparatus applying to a hairstyle and in particular to a gas mask : en fr
  • AT156038B - Receive circuit with two circles. : de en
  • PL28139B1 - Short-circuit with lifting brushes for three-phase motors. : en pl
  • AU150138A - Improvements relating to light projecting devices andmore particularly to light signal devices : en
  • DE675139C - Arrangement for the suppression of harmonics in the secondary circuit of three-phase shunt collector motors : de en
  • GB504338A - An improved device for facilitating the moistening and sealing of the gummed flaps of envelopes : en
  • CH204312A - Method of patterning the surface of metal panels. : de en
  • US2155973A - Filter forming machine : en
  • CA380987A - Acetylene generating apparatus : en fr
  • DE674953C - Scale for radio receivers : de en
  • USD114501S - Design for a ribbon : en
  • GB504783A - Improvements in and relating to electric discharge devices : en
  • BE433055A - : en
  • CA380995A - Radial bearing : en fr
  • PL28269B1 - Method for producing chlorate explosives. : en pl
  • US2156202A - Airplane engine : en
  • AT156028B - Gaming equipment for vending machines. : de en
  • AU107149B2 - The manufacture and application of fungicidal and bactericidal organo-mercury compounds : en
  • AU107162B2 - Improvements in or relating to armchairs, sofas andthe like articles of furniture : en
  • CH204462A - Tenon polishing machine. : de en
  • US2156059A - Mattress border forming device : en
  • US2155414A - Tape advancing machine : en
  • PL28173B1 - Method for the production of 2,4-dioxo-3,3-dialyl-2,4-dio 80-3,3-di-n-propyl-6-methyl tetrahydropyridine. : en pl
  • US2156255A - Hairdressing tool : en
  • PL28270B1 - Device for disengaging the flap of the extraction bucket. : en pl
  • US2156246A - Double ironing table : en
  • USD114477S - Design for a whatnot : en
  • CA12355S - Tyre tread : en
  • DE675006C - Fastening of door push pins : de en
  • CH204339A - Water-cooled internal combustion engine. : de en
  • CH204452A - Process for the production of copper phthalocyanine. : de en
  • US2155393A - Crusher frame : en
  • US2156134A - Machine for handling and applying sheets of material : en
  • US2156182A - Shade bracket : en
  • US2155614A - Cooling apparatus for bread wrapping machines : en
  • US2155772A - Shelf and receptacle : en
  • US2155890A - Heating system : en
  • US2155595A - Rotatable cutting tool : en
  • CA380914A - Ventilated door : en fr
  • CH204196A - Electric hotplate. : de en
  • DE674779C - Rotary piston internal combustion engine : de en
  • DE675073C - Route block : de en
  • US2155528A - Balancing machine : en
  • PL28133B1 - Method of removing solid inorganic or organic components from oils containing them. : en pl
  • US2155932A - Process of deposition : en
  • DE675007C - Removable foot for hand stapling devices for closing letters or the like using wire clips : de en
  • US2156022A - Popping buckwheat : en
  • AU107166B2 - Improved method and apparatus for making hollow glass bodies from preformed parts : en
  • US2156010A - Sky writing device : en
  • FR840475A - Improvements to machines to verify statistics records : en fr
  • GB504329A - Improvements in winches and particularly in those used for launching and raising lifeboats for ships : en
  • US2155983A - Container handling apparatus : en
  • US2156170A - Apparatus for making radiographs : en
  • CA380912A - Tobacco pipe : en fr
  • CA380920A - Riveting apparatus : en fr
  • CH204356A - Adjustable height platform. : en fr
  • CA381048A - Multi-range superheterodyne radio receiver : en fr
  • CH204284A - Lighting device on a sound film machine. : de en
  • CH204330A - Two-stage rotary lobe vacuum pump with sickle-shaped working space. : de en
  • FR840619A - Special saw for wafers filled with jam : en fr
  • GB504276A - A scoring device for such games as darts : en
  • CH204289A - Pendulum clockwork. : de en
  • CH204329A - Vehicle lifting device. : en fr
  • DE675066C - Manufacture of synthetic decolorizing agents : de en
  • FR840631A - Polymerization products and their preparation process : en fr
  • GB504401A - Improvements in or relating to the unwinding of continuous filament yarns : en
  • AT156045B - Circuit for amplifying modulated high frequency oscillations for the output stage of a transmitter. : de en
  • US2155536A - Thimble : en
  • US2155628A - Bearing seal : en
  • US2156057A - Electric lamp : en
  • CH204199A - Seating or reclining furniture. : de en
  • USD114500S - Design for a textile fabric or similar : en
  • FR840482A - Improvements to portable impact tools with internal combustion engine : en fr
  • GB504460A - Production of synchronising impulses in a television transmitter : en
  • GB504479A - Improvements in and relating to ships' davits : en
  • GB504805A - Improvements in photo-electric exposure meters for photographic cameras : en
  • DE675053C - Sealant for metal surfaces : de en
  • GB504384A - Frying pan cover : en
  • GB504469A - Improvements relating to the lateral adjustment of tractor wheels and the like : en
  • GB504604A - Improvements in glass mould charging devices : en
  • FR840350A - Process for recovering volatile solvents by solid adsorbents out of gas mixtures laden with mists or fumes : en fr
  • USD114479S - Design for a billfold : en
  • FR840411A - Improvements to coaxial conductors : en fr
  • FR840582A - Improvements in the manufacture of cardboard boxes for sprinkling : en fr
  • FR840632A - Nitro dyes and their preparation process : en fr
  • US2155436A - Optical instrumentality provided with a variable light filter : en
  • USD114451S - Design for an illuminable mirror or : en
  • US2156146A - Power bender : en
  • US2156245A - Flotation of phosphate rock : en
  • AT156047B - Containers for injection solutions. : de en
  • DE674941C - Device for the separate application of hot water and alcoholic liquid to prepare grog : de en
  • DE675062C - Bathing suit made from rubber sheets : de en
  • AT155989B - Luggage racks for vehicles, in particular for railroad cars. : de en
  • AU107175B2 - Improvements in brake mechanism for automobiles : en
  • DE674884C - Gear for the swivel movement of the grinding head of a saw sharpening machine for straight and bevel grinding : de en
  • DE674892C - Bicycle saddle chair : de en
  • FR840458A - Regulating device for on-load step transformers : en fr
  • GB504552A - Improvements in road traffic control systems : en
  • GB504811A - New system of bricks with tight joints : en
  • US2155406A - Electrical conductor : en
  • US2155520A - Vacuum breaker : en
  • US2155688A - Shipping crate : en
  • US2156032A - Delivery table mechanism for printing presses : en
  • FR840577A - Servo-motor device control system used to operate gear changes, in particular gearboxes of motor vehicles : en fr
  • US2155878A - Manufacture of imidazolines containing at least 10 carbon atoms : en
  • US2156048A - Electric discharge device : en
  • US2156126A - Resin production : en
  • AT156005B - Electric gas lighter. : de en
  • GB504639A - Improvements in louvre ventilators : en
  • DE675110C - Abrasive iron made of pure carbon with metal support : de en
  • FR840376A - Calibrated parasite generator : en fr
  • DE674845C - Device for stapling together, for example, by riveting pre-punched, plate-shaped parts to be connected : de en
  • US2155894A - Method of producing colored pictures and sound films : en
  • US2155912A - Game apparatus : en
  • CA380936A - Direct metal casting apparatus : en fr
  • DE675045C - Program switch for the telephone broadcast : de en
  • GR8165B - PORTABLE SPARTA DEVICE OF VIDEO SPARTA. : el en
  • FR840394A - Further training in the construction of floors, ceilings, partitions and other walls made of concrete or other reinforced material : en fr
  • GB504676A - Improvements in and relating to toy darts and detonating toys : en
  • GB504379A - Improvements in roller mills for processing pulverulent and like materials : en
  • US2155489A - Automatic separator : en
  • US2156228A - Gun perforator : en
  • FR840356A - Grinding wheel for grinding very hard materials such as special steels for example and its manufacturing process : en fr
  • CH204455A - Process for the production of a synthetic tanning agent. : de en
  • CA381055A - Quinoline compound : en fr
  • GB504390A - Improvements in hydraulic power transmitters having speed-responsive regulators : en
  • DE675065C - Iron : de en
  • AT156016B - Cinematograph with optical compensation. : de en
  • AU141538A - Improvements relating to two way electric telephony systems including echo suppression means : en
  • CH204177A - Air humidification device. : de en
  • CH204193A - A method of manufacturing tubular electric heating elements and a heating element obtained by this method. : en fr
  • CH204397A - Pulling and tensioning device. : de en
  • GB504356A - Improvements in, and in the manufacture of, water closet basins and flushing cisterns for use therewith : en
  • DE675036C - Windows for gas masks : de en
  • DE675153C - Straw shredding device, especially for threshing machines, with a shredding drum rotating in a stationary basket : de en
  • GB504422A - Multi-conductor telephone cord and connector : en
  • US2155509A - Electro-optical signaling : en
  • CH204410A - Drive and steering device for caterpillar vehicles. : de en
  • US2155495A - Telephone booth : en
  • DE663721C - Device for pulling, cleaning and smoothing wooden surfaces, especially parquet floors o. The like. : de en
  • DE674960C - Evaporative burners for liquid fuels : de en
  • GB504570A - Improvements in or relating to joints for pavements, roads, dams and the like, and methods of making the same : en
  • DE675103C - Photo book tour : de en
  • GB504487A - Improvements in tables : en
  • US2155666A - Heat exchange unit : en
  • US2155604A - Locomotive stoker : en
  • US2156008A - Continuous furnace : en
  • US2156100A - Planographic printing plate and method of making the same : en
  • US2156248A - Article transfer apparatus for conveyers : en
  • US2156085A - Speedometer : en
  • US2155740A - Braking mechanism for rail vehicles : en
  • US2156128A - Carburetor : en
  • US2155549A - Cash drawer lining insert : en
  • USD114470S - Design fob an illuminable traffic : en
  • DE674974C - Control for combustion electric vehicles with a main generator driven by the internal combustion engine, feeding the vehicle engines and an auxiliary generator for the excitation of the main generator as well as supply of the current collector and possibly of auxiliary drives : de en
  • FR840461A - Detachable head of brooms or brushes of textile or the like for dust extractor nozzles : en fr
  • GB504587A - Improvements in apparatus for recording data relating to railway tracks : en
  • PL28137B1 - Scale for radio. : en pl
  • US2156251A - Adjustable and washable lady's hat : en
  • USD114493S - Design for a clip pin : en
  • CH204214A - Hand loom. : de en
  • GB504514A - Improvements in or relating to fluid tight closure members such as doors and windows and the like : en
  • CH204416A - Control device for vehicle pressure medium brakes. : de en
  • FR840526A - Improvements to drawing devices : en fr
  • GB504333A - Improvements relating to garden edging : en
  • GB504391A - Improvements in or relating to mowing machines : en
  • GB504677A - Improvements relating to bedstead joints : en
  • FR840635A - Articulated rack and pinion drive, especially for valves : en fr
  • GB504402A - Improvements in or relating to remote control systems on three-phase electric networks : en
  • FR840456A - electrical contact element for connecting two or more sockets located one behind the other and the bores of which have the same axis : en fr
  • FR840493A - Counter-distortion system for powerline transmissions : en fr
  • GB504730A - Improvements in or relating to electric furnaces : en
  • GB504440A - Improvements in railway vehicle trucks : en
  • GB504689A - Improvements in selecting devices for coins and tokens for coin freed machines and other uses : en
  • FR840443A - Modulator systems : en fr
  • FR840576A - heat exchanger, especially for gases and liquids under high pressure : en fr
  • GB504547A - Improvements in and relating to radiators for internal combustion engines : en
  • DE674977C - Arrangement for controlling converters : de en
  • GB504528A - Improvements in and relating to cartons and like containers : en
  • GB504705A - Improvements in water heating installations for use in particular on ships : en
  • CA381058A - Fabric and material processing : en fr
  • GB504482A - Improvements in and relating to the electrodes of secondary batteries : en
  • GB504806A - Improvements in or relating to the manufacture of pigmented compositions : en
  • FR840349A - Variable speed and reversible differential transmission system without differential reaction : en fr
  • GB504733A - Improvements in or relating to aerial and associated feeder systems : en
  • GB504724A - Improvements in and relating to thermally-operated electric switches : en
  • GB504423A - Improvements in or relating to lightweight structural members, more particularly for aircraft construction : en
  • GB504636A - Improved device for measuring brake power on vehicle wheels and other rotary elements : en
  • US2155707A - Compound rest for lathes : en
  • DE674962C - Washing machine with a container and a stirrer : de en
  • DE675112C - Process for the production of carbon coatings on metal parts which are intended for installation in a discharge tube : de en
  • DE674954C - Quiet frequency converter : de en
  • GB504491A - Improvements in and relating to apparatus for drying textile materials : en
  • CH204298A - Electric clock. : de en
  • CA380943A - Half-axle suspension : en fr
  • CA381032A - Relay contact : en fr
  • CH204430A - Temperature regulation device in ventilation, air heating or similar systems. : de en
  • AU107159B2 - A method of producing stable ethylene mercury compounds : en
  • CH204271A - Bimetal ribbon thermometer. : de en
  • US2155792A - Spring cushion : en
  • AU462538A - Device for facilitating the construction of concrete piles moulded inthe ground : en
  • CH204371A - Electric hanging lamp with clock. : de en
  • CH204404A - Automatic brake on handcarts with a handlebar, especially on prams. : de en
  • FR840371A - Improvements to the processes for obtaining the phenolic valerian ester of salicylic acid and all other phenolic esters of this acid, its homologues or derivatives : en fr
  • BE433505A - : en
  • BE433607A - : en fr
  • CH204169A - Wooden wall. : de en
  • US2155461A - Winding of yarns : en
  • AU107169B2 - Improvements in or relating to bearings : en
  • AT155970B - Insecticides. : de en
  • CA380909A - Mitt : en fr
  • PL28198B1 - : en pl
  • US2155398A - Wrapping machine : en
  • US2155469A - Signal translating apparatus : en
  • CH204200A - Armrest adjustment device on deckchairs that can be adjusted by shifting body weight. : de en
  • DE674966C - Process for the production of formamide : de en
  • DE674985C - Plasticizer for polyvinyl compounds : de en
  • CA380904A - Intestine cleaning machine : en fr
  • CA381028A - Telephone testing system : en fr
  • CH204262A - Climbing device on skis. : de en
  • AT155964B - Process for the production of water-insoluble dyes on the fiber by the ice color method. : de en
  • DE674999C - Method of image production : de en
  • US2156212A - Treatment of vapors from coffee roasting : en
  • US2155896A - Combination basket and carriage : en
  • USD114458S - Stopper therefor : en
  • US2156113A - Pipe thread protector : en
  • GB504712A - Improvements in or relating to apparatus for exercising the fingers in the movementsrequired for playing musical instruments : en
  • DE674841C - Device for measuring displacements between two or more points on the body : de en
  • FR840634A - Number-holder or sign-holder wheel for recording mechanisms and computers and its manufacturing process : en fr
  • GB504626A - Improvements in and relating to the manufacture of ketenes : en
  • US2155450A - Chick box : en
  • USRE21061E - Water heater : en
  • FR840389A - Direction change indicator device for vehicles : en fr
  • GB504714A - Method of forming delustered shaped articles : en
  • FR840532A - Apparatus for observation and possibly projection of images : en fr
  • GB504619A - Means for controlling the excitation of d.c. electric motors : en
  • PL28181B1 - A device for controlling the duration of a conversation in a telephone equipment and a telephone exchange provided with such an instrument. : en pl
  • US2156215A - Electric roaster : en
  • CA381041A - Railway car articulation : en fr
  • GB504647A - Improvements in or connected with loading machines for use in mines : en
  • GB504470A - An improved manufacture of motor fuels : en
  • AU107188B2 - Improvements in methods and machines for making metallic screens : en
  • CA380928A - Aluminium base alloy processing : en fr
  • DE674939C - Closure for handhole cover on aircraft : de en
  • DE674861C - Process for processing acid blast furnace slag : de en
  • US2155870A - Railway signaling system : en
  • US2155830A - Golf club : en
  • FR840370A - Automobile wheel hubcaps fixing device : en fr
  • US2155712A - Magnetic compass : en
  • FR840529A - Clamping device : en fr
  • US2155725A - Carcass tongue protector : en
  • DE674862C - Centrifugal machine system with a rotating control shaft used to regulate the individual work processes of a centrifugal period : de en
  • US2155505A - Yarn holder : en
  • US2155498A - Stock attaching device for firearms : en
  • US2156231A - Curtain : en
  • GB504485A - Improvements relating to the manufacture of glass bottles and jars and like containers : en
  • GB504518A - Optical apparatus for measuring angles such as a sextant : en
  • DE675011C - Clock with balance regulator synchronized by a synchronous motor : de en
  • GB504630A - Electron multiplier : en
  • USPP329P - Phlox : en
  • USRE21059E - Vehicle wheel : en
  • AU107161B2 - Improvements inthe process and apparatus forthe extraction of burrs from wool andother textile fibres : en
  • DK56093C - Insecticide. : da en
  • GB504296A - Improvements in or relating to the production of steel ingots and the rolling of material therefrom : en
  • GB504644A - Improvements in boxes or cases : en
  • FR840452A - Medical device for the treatment of varicose veins and other disorders of the venous circulation : en fr
  • CA380947A - Cast pipe manufacture : en fr
  • CH204332A - Piston pump with delivery rate dependent on the delivery pressure and adjustable final pressure. : de en
  • DE675124C - Stuffing box for steam or gas turbines with high operating temperatures : de en
  • CH204260A - Carrying device on hand harmonicas. : de en
  • US2155641A - Packaging of ribbon : en
  • USD114497S - Design for a fluid control valve : en
  • DE675051C - Process for the heat treatment of castings made of aluminum alloys : de en
  • FR840471A - New bedding device : en fr
  • GB504628A - Device for indoor and outdoor golf putting on any surface : en
  • US2155678A - Motor fuel : en
  • US2155871A - Metal receptacle : en
  • US2156186A - Vise : en
  • FR840421A - Alliance and its manufacturing process : en fr
  • DE674913C - Fluid switch capsule, which consists of two metal shells that serve as electrodes and are separated from one another by an insulating partition : de en
  • DE674947C - Process and device for the continuous extraction of solid substances of uniform grain size from their solutions by crystallization : de en
  • GB504317A - Improvements in and relating to easter eggs and like hollow forms and to moulds therefor : en
  • FR840323A - Valve seat : en fr
  • FR840330A - Arrangement for demodulation of image signals and separation of synchronization signals at reception : en fr
  • GB504549A - Improvements in making of microporous products : en
  • DE674776C - Multiplier : de en
  • FR840338A - Pipe foot nut wrench : en fr
  • GB504709A - Improvements in rotary valve internal combustion or other engines or pumps : en
  • GB504400A - Improvements relating to the separation and feeding of the filaments of yarns or bundles of continuous filaments : en
  • GB504490A - Improvements in or relating to the preparation and production of weavers' warps : en
  • FR840348A - Aircraft heating improvements : en fr
  • GB504535A - Improvements in or relating to controlling aircraft : en
  • US2155965A - Hat and sweat band therefor : en
  • GB504530A - Improvements in paper feeding machines : en
  • DE675099C - Coupling for switching a thread cutting device for right and left-hand threads on automatic turning arms : de en
  • US2156034A - Tooth rest : en
  • US2155563A - Kaleidoscopic device : en
  • US2156003A - Fastening device : en
  • GB504335A - Method and apparatus for testing and setting cam operated valve gears of elastic fluid engines : en
  • US2156145A - Edible container-making mold : en
  • US2156217A - Reduction with methanol : en
  • US2155760A - Box holder : en
  • GB504520A - An improved switch for controlling the electric circuits of motor vehicles : en
  • AT156020B - Device to make it difficult to exchange or steal overskirts. : de en
  • CA381001A - Window frame : en fr
  • CH204303A - Clamping device for saws for setting and sharpening the same. : de en
  • GB504289A - Improvements in selector control devices : en
  • GB504658A - An improved machine for cleaning watch parts or other small articles : en
  • DE674949C - Control device for small power steam systems : de en
  • FR840480A - Hop peronospora control agent : en fr
  • GB504302A - Improvements in or relating to paper web tensioning means for printing presses and other machinery : en
  • FR840373A - Improvements to mixing valves : en fr
  • GB504920A - Improvements in and relating to web severing mechanism : en
  • FR840499A - Method and device for removing acidity from products such as cooked oils, balms and resins : en fr
  • US2155945A - Cord locking apparatus for venetian blinds : en
  • USD114443S - Design fob a : en
  • US2155619A - Display device : en
  • CH204391A - Tuning device for radio sets. : de en
  • US2155605A - Shock absorber provided with a stress limiting device : en
  • US2155607A - Fuel distributing apparatus : en
  • PL28209B1 - The method of obtaining pure paraffin. : en pl
  • AU107168B2 - Improvements in freezing trays : en
  • GB504601A - Improvements in closure devices for collapsible tubes : en
  • US2155541A - Radius turning gauge : en
  • US2155596A - Means for mixing samples : en
  • US2155686A - Method of knitting hosiery : en
  • USD114506S - Design for a dress ensemble : en
  • CH204190A - Power plant powered by generator gas. : de en
  • US2155512A - Pump-action firearm : en
  • US2156106A - Universal joint : en
  • US2155644A - Solvent refining hydrocarbon oil : en
  • US2156210A - Parachute garment lifesaving device : en
  • USD114485S - Design for a gup pin : en
  • AU446138A - Improvements in freezing trays : en
  • CA380988A - Conductor inserting machine : en fr
  • CH204447A - Process for the production of a new azo dye. : de en
  • DE674866C - Double-decker railway carriage : de en
  • US2156015A - Method and apparatus for punching metal sheets : en
  • PL28266B1 - A method of regulating the inflow of additional emulsion air to the fuel line of the gas supply for internal combustion engines and a device for carrying out the method. : en pl
  • USD114492S - Design for a clip pin : en
  • US2155554A - Centralized traffic controlling system for railroads : en
  • US2156053A - Vapor heat transfer system : en
  • CH204189A - Furnace for the manufacture of glass filaments. : en fr
  • US2155990A - Pendant sprinkler head : en
  • GB504407A - Improvements in or relating to washing machines : en
  • AT155997B - Device for the automatic control of the air intake of combustion systems depending on draft fluctuations. : de en
  • CH204374A - A method and device for rapid localized and centered radiography. : en fr
  • US2155423A - Combine : en
  • US2155770A - Reel drum : en
  • US2155999A - Typewriting machine : en
  • US2155467A - High frequency amplifier : en
  • US2156230A - Oscillation generating system : en
  • AU488837A - Synchronisation of disc scanning means : en
  • US2156159A - Process of making lignin : en
  • USD114474S - Design for a paring knife : en
  • US2155924A - Color scheme exhibitor : en
  • CH204224A - Footwear, in particular for motorcyclists. : de en
  • US2155988A - Wheel assembly : en
  • US2155567A - Water heater : en
  • US2155958A - Shell assembling machine : en
  • US2156112A - Liquid dispenser : en
  • AT155957B - Process for the production of filters, membranes, separator plates for accumulators and the like. like : de en
  • AU167438A - Rolling mills : en
  • US2155465A - Fluorescent screen for cathode ray tubes : en
  • US2155673A - Anthraquinone products and method of making : en
  • US2155897A - Roller bearing : en
  • CH204338A - Method and device for deflecting a fluid sheet flowing from a narrow slit. : en fr
  • US2156108A - Closet structure : en
  • DE675075C - Circuit arrangement for independent telephone exchanges with call seeker-line selector pairs : de en
  • AT156015B - Device for regulating the volume of gramophones. : de en
  • CH204249A - Ribbon transport device with automatic switching on typewriters. : de en
  • FR840386A - Multi-weave towel, for multiple use : en fr
  • GB504389A - Improvements in or relating to reel structures : en
  • DE675069C - Bronze applicator for bronzing machines : de en
  • CA380974A - Furnace flue : en fr
  • DE1463429U - : de en
  • FR840399A - Obstacle-dynamic and anatomo-physiological frame serving for the transport of different masses by means of animated motors : en fr
  • US2155828A - Caster : en
  • CA381016A - Thermoplastic article polishing apparatus : en fr
  • DE674998C - Method of manufacturing upholstery material : de en
  • BE378367A - : en fr
  • AU107199B2 - Improvements in or relating to electric discharge tubes : en
  • AU92938A - The manufacture and application of fungicidal and bactericidal organo-mercury compounds : en
  • US2155504A - Disinfecting means : en
  • US2155586A - Arrangement for automatically regulating the pitch of variable pitch propellers : en
  • US2155742A - Collapsible clothesrack : en
  • US2155472A - Ice skate walking appliance : en
  • DE675060C - Process for softening water : de en
  • DE675165C - Control unit for hydraulic brake systems : de en
  • CH204241A - Process for the production of a chrysene derivative. : de en
  • US2156001A - Typewriting machine : en
  • US2156103A - Spraying device for airplane propellers : en
  • US2156099A - Condenser : en
  • CH204232A - A container comprising a compression seal, for pressurized fluid, and method for establishing the compression seal of this container. : en fr
  • US2155857A - Crankshaft lathe : en
  • US2155882A - Teletype apparatus : en
  • US2156181A - Mask : en
  • AT156049B - Microscope objective, in particular for fluorescence microscopes. : de en
  • CH204367A - Plant for generating power surges. : de en
  • PL28272B1 - Freewheel hub of the rear wheel of a bicycle with a reverse brake with an attached planetary gear. : en pl
  • US2155805A - Humidifier : en
  • USPP328P - Nectarine : en
  • CA380973A - Crystalline dextrose : en fr
  • AT156011B - Sheet music turner. : de en
  • AU147338A - Arrangement for eliminating interference from blind landing receivers which are interfered with by an aircraft transmitter by introducing a blocking circuit between aircraft transmitter Tand the accompanying transmitting antenna : en
  • USD114490S - Design fob a clip pin : en
  • USD114508S - Design for a lace tablecloth : en
  • CH204317A - Safety nut. : de en
  • PL28183B1 - Electrodynamic speaker. : en pl
  • AU149338A - Improvements in means and methods of producing metallic screens : en
  • DE675118C - Pull-through pin buckle for straps on shoes, belts or the like. : de en
  • PL28271B1 - Tube bumper. : en pl
  • US2155568A - Fastening-distributing mechanism : en
  • GB504483A - Improvements in and relating to domestic fireplaces : en
  • CH204445A - Process for the production of a new azo dye. : de en
  • US2155943A - Intermittent air actuated acid feeder : en
  • US2155464A - Wash tank : en
  • PL28254B1 - Manual bag pushing machine. : en pl
  • CA381035A - Organic compound manufacture : en fr
  • CH204297A - Timepiece. : en fr
  • DE675152C - Elevator lock for economy watches : de en
  • PL28244B1 - Who. 34 c, 13 / Ó8T Dishwashing machine. : en pl
  • US2156164A - Core member : en
  • US2155639A - Rubber-like material and method of producing same : en
  • CH204331A - Device to prevent jet separation in turbo compressors. : de en
  • AU107198B2 - Improvements in methods of and machines for ginning cotton : en
  • DE672100C - Barrel roller : de en
  • FR840467A - Water tube boiler, more particularly intended for use as a marine boiler : en fr
  • DE674997C - Process for the production of long-life vegetable juice : de en
  • US2155675A - Ozonizer : en
  • US2155709A - Building unit : en
  • US2156098A - Method of transmitting characters : en
  • US2156218A - Billet handling device for tube mills : en
  • US2155532A - Railway signaling system : en
  • FR840393A - Lubricant containing esters and method of making them : en fr
  • US2155432A - Rotary concentrator : en
  • US2155877A - Process for the manufacture of imidazolines containing at least 10 carbon atoms : en
  • US2156117A - Shock strut : en
  • FR840605A - Improvements to processes for preparing waffles, wafers or the like : en fr
  • GB504471A - Improvements in or relating to catalytic lighters : en
  • FR840375A - Improvements to filling machines : en fr
  • FR840596A - Perforating projectiles improvements : en fr
  • GB504649A - Improvements relating to the projection of time indications, with or without advertising matter : en
  • DE675161C - Method for the electrical thawing of frozen food, especially frozen meat : de en
  • GB504687A - Improvements in means for detachably securing the closure members of stop valves : en
  • IE15491L - Glass moulding. : en
  • US2155478A - Means for producing incandescent images : en
  • US2156169A - Threaded hollow article : en
  • FR840550A - Method and apparatus for detecting and repairing damage to suction filters in wells : en fr
  • PL28150B3 - Air vent for fuel lines of transportable internal combustion engines, especially aircraft internal combustion engines. : en pl
  • DE674890C - Synchronization device for electric musical instruments : de en
  • FR840601A - Three-phase transformer with isolated neutral point : en fr
  • US2156250A - Basket display : en
  • CA380892A - Direction indicator : en fr
  • FR840648A - Wire guide roller and its applications, in particular in cane makers : en fr
  • GB504726A - Improvements relating to gyroscopic apparatus, particularly to precision directionalgyroscopes : en
  • US2156256A - Hairdressing tool : en
  • GR8172B - HANDLE FOR SHARPENING SHAVING BLADES. : el en
  • FR840442A - Tap and especially water tap : en fr
  • IE15765L - Saccharification of starch : en
  • DE674906C - Magazine exchange device for die setting and line casting machines with a magazine stack and extendable support arms : de en
  • FR840451A - High frequency currents return process : en fr
  • DE675001C - Tread, the protector of which is attached to the carcass : de en
  • US2156216A - Broiler and fryer unit : en
  • AU187438A - Protective compositions for fruits andthe like : en
  • CH204186A - Method and device for the preparation of dust-fine goods. : de en
  • DE675094C - Detachable side cover attachment to guide rails for sling curtains : de en
  • US2156073A - Hair curling device : en
  • US2156091A - Automobile visor bracket : en
  • US2155817A - Clamping device for charts for recording instruments : en
  • GB504313A - Improvements in mats for table and like uses : en
  • GB504428A - An improved process for the preparation of active lamp-or gas-black : en
  • FR840430A - Improvements to control devices for periodic or alternating phenomena such as traffic signals : en fr
  • GB504434A - Radio direction finding systems : en
  • US2155981A - Composition to increase the efficiency of internal combustion engines : en
  • US2156035A - Sanitary seat cover : en
  • US2155694A - Grating : en
  • US2155915A - Waterproofing construction for parapet walls : en
  • USD114446S - Design for a scarf : en
  • DE674961C - Device for controlling the guide parts of moving fabric webs, especially when introducing fabric webs into tenter machines : de en
  • FR840533A - Mechanical pencil forming medicine container : en fr
  • CH204361A - Switch with arc extinguishing by flowing compressed gas. : de en
  • AT155995B - Fastening device for child seats or saddles on bicycles. : de en
  • US2155722A - Sewing machine : en
  • US2156078A - Radio receiving apparatus : en
  • DE674969C - Drying device on rotogravure printing machines for printed paper webs : de en
  • PL28155B1 - Sealing flasks or similar drinking vessels. : en pl
  • US2155511A - Apparatus for developing photographic prints : en
  • US2155838A - Direction finding system : en
  • US2155620A - Measuring line equipment : en
  • US2155684A - Dog exercising device : en
  • US2156143A - Manifolding record assembly : en
  • CH204381A - Process for preparing an aminobenzenesulfonic acid amide compound. : de en
  • FR840321A - Arrangement for the excitation of synchronous generators : en fr
  • FR840402A - Directional emission system for signaling radio-electric radiations, for example for the landing of airplanes without exterior visibility : en fr
  • GB504465A - Improvements in or relating to sliding clasp fasteners : en
  • US2155471A - Fog and mist penetrating device : en
  • CH204440A - Process for the production of a new azo dye. : de en
  • PL28185B1 - A method of making mixed yarn from flax and artificial fibers. : en pl
  • AT155998B - Filling device for liquids. : de en
  • CA380970A - Tube rectifier voltage supply : en fr
  • CH204311A - Sensor control for copying machine tools, e.g. B. for copy milling machines. : de en
  • US2155657A - Thrust bearing : en
  • CH204316A - Self-locking screw nut. : de en
  • FR840598A - Swimming and rescue apparatus : en fr
  • DE674908C - Device for manufacturing lacquered textile fiber tubes : de en
  • GR8174B - GLASS CONTAINERS FOR STORAGE OF FOOD, BEVERAGES AND SIMILARS AND HOW TO MAKE THEM. : el en
  • US2155590A - Vulcanizable plasticizer : en
  • US2155485A - Corset : en
  • PL28166B1 - A device in an electric mine igniter which provides a sufficient amount of current to initiate an ignition. : en pl
  • US2155847A - Spraying device : en
  • US2156104A - Vacuum fuel feed device : en
  • US2155534A - Condiment holder : en
  • US2155952A - Apparatus for manufacturing a food product : en
  • US2156086A - Orthopedic shoe : en
  • DE674877C - Coffee brewer : de en
  • US2155681A - Automatic positive stop for rotating spindles : en
  • US2155640A - Hose coupling : en
  • US2155962A - Panel receptacle and closure : en
  • USD114460S - Design fob a cosmetic cream jar : en
  • PL28250B1 - The method of producing roofing felt. : en pl
  • US2156092A - Shed-forming device : en
  • US2156120A - Master cylinder unit for brakes : en
  • USD114486S - Design for a cop pin : en
  • PL28210B1 - A method for separating tar and mineral oils containing paraffin, and a device for carrying out this method. : en pl
  • DE675035C - Device for adding liquid, gaseous or powdery substances to a pressure medium flow, especially for fire extinguishing purposes : de en
  • US2156114A - Bath water conditioner : en
  • US2155381A - Bottom connection hydraulic setting tool : en
  • US2156049A - Cut-off machine : en
  • US2156154A - Brake slack adjuster : en
  • FR840557A - Process for destructively hydrogenating coal under pressure : en fr
  • US2155593A - Preventing adherence of congealed substances to metals : en
  • US2156127A - Brake : en
  • US2156188A - Vulcanizing apparatus : en
  • AU107174B2 - Improvements in or relating to electrical circuit arrangements for electron multipliers : en
  • DE675022C - Reduction of the coloring capacity of carbonaceous base exchangers : de en
  • DE675086C - Transition piece between a hollow body made of heat-resistant steel that is not insulated on the inside and a hollow body made of ordinary steel, which is insulated on the inside : de en
  • FR840549A - Revolving door for aerodynamic vehicles : en fr
  • GB504566A - Improvements in the manufacture of artificial filaments, yarns and similar materials : en
  • AT155954B - Method of manufacturing valve housings. : de en
  • DE674912C - Electric wall and ceiling pull switch : de en
  • GB504791A - Improvements in and relating to adjustable stands for lamps and the like : en
  • CH204446A - Process for the production of a new azo dye. : de en
  • DE674965C - Process for the production of heavy water : de en
  • FR840436A - Device for fitting spark plugs in internal combustion engines : en fr
  • FR840590A - Apparatus for adding a constant proportion of one product as a current to another : en fr
  • AU480738A - Improvements relating to mounts for hypodermic needles : en
  • USD114484S - Design for a clip pin : en
  • CA380893A - Match box and tray : en fr
  • CA380924A - Headlight : en fr
  • CA381008A - Reply mailing device : en fr
  • CH204301A - Thread cutting device for right-hand and left-hand threads on automatic lathes. : de en
  • US2155790A - Emergency siding : en
  • DK56094C - Internal combustion engine with Flushing and Charging, especially for Flying at high altitudes. : da en
  • DE675113C - Pulverized fuel combustion : de en
  • DE675147C - Process for the production of pure post-chlorinated polyvinyl chloride : de en
  • GB504399A - Improvements in or relating to the manufacture of staple fibre yarns or like products : en
  • AU434838A - Improvements in or relating tothe dry separation of heavier particles from lighter ones, such as separation of particles of metal from sand : en
  • DE675018C - Tilt protection for motorized turntable ladders : de en
  • US2155612A - Apparatus for arranging fruit halves : en
  • US2155841A - Protective gap : en
  • CH204191A - Method for operating machine systems and machine systems having an engine and a gas generator for carrying out the method. : de en
  • CH204449A - Process for the production of a new azo dye. : de en
  • CA380964A - Vapour-electric converter : en fr
  • GB504406A - Improvements in, or relating to, signals for use in connection with mechanically-propelled vehicles : en
  • BE433010A - : en
  • FR840520A - Process for preparing condensation products having a tanning action from dioxy-sulfones : en fr
  • FR840607A - Printing telegraph systems and apparatus : en fr
  • CH204433A - Device for attaching and adjusting armrests on seating and reclining furniture. : de en
  • AU107205B2 - Improvements in and relating tothe automatic control of washing andother machines : en
  • AU107153B2 - Improvement in hydraulic hoisting mechanism for tipping bodies of motor trucks : en
  • GB504568A - Improvements in and relating to synthetic rubber-like materials : en
  • GB504926A - Improvements in or relating to electrical condensers : en
  • USD114488S - Design for a clip pin : en
  • US2155516A - Refrigeration apparatus : en
  • US2156252A - Airplane passenger cage : en
  • CA380940A - Electric automatic switch : en fr
  • CA380991A - Railway vehicle axle drive : en fr
  • USRE21057E - Conversion of starchy : en
  • AT155984B - Drinking device for calves or similar young animals. : de en
  • CH204451A - Process for the production of a new dye. : de en
  • FR840361A - Stenography machine : en fr
  • GB504373A - Improved method of promoting reactions between fluids or intermixture of fluids : en
  • GB504531A - Improvements in or relating to moving contact electric current converters : en
  • US2155428A - Mercury switch : en
  • DE674995C - Pedal drive : de en
  • GB504394A - Improvements in or relating to the manufacture of garments : en
  • AT156010B - Method and device for determining the altitude over a target by changing the airspeed of the aircraft. : de en
  • CA381025A - Temperature control system : en fr
  • CH204266A - Timed fuze for bullets. : en it
  • CH204437A - Process for the production of a new azo dye. : de en
  • DE674976C - Process for the production of small magnet-electric machines : de en
  • CH204240A - Process for the production of a new condensation product. : de en
  • AT156046B - Photoelectric light meter. : de en
  • DE674909C - Connection terminal for electrical switch : de en
  • DE675004C - Tow hook with slip disc : de en
  • GB504477A - Improvements in and relating to mechanical interlocks for electric switches, and the like : en
  • US2155697A - Apparatus for pulverizing minerals and other materials : en
  • US2155969A - Round corner joint : en
  • CA380903A - Portable internal combustion engine : en fr
  • DE674848C - Fluid brake device for motor vehicles equipped with an indentation lubricator : de en
  • BE433380A - : en
  • CH204293A - Wristwatch. : en fr
  • CH204174A - Continuous fire cooker. : en fr
  • DE675040C - Process for bleaching bast fibers : de en
  • DE675087C - Vehicle gas generator to which part of the air, which is conveyed by a fan located behind the engine cooler, is fed as gasification air : de en
  • DK56075C - Means for removing stains on textile materials and methods for its manufacture. : da en
  • FR840422A - Process for preparing volatile indetonating fuels : en fr
  • FR840477A - Method of roasting pyrites in a mechanical stage furnace and mechanical stage furnace suitable for its execution : en fr
  • DE675024C - Plug connection with an eccentric generating the contact pressure on the plug pin, especially for the connection cables in motor vehicle batteries : de en
  • BE433386A - : en fr
  • CA380939A - Clinch-on nut : en fr
  • CH204163A - Fruit mill. : de en
  • FR840388A - Grooving and perforating machine for piston rings : en fr
  • BE433482A - : en
  • FR840396A - Electronic discharge devices : en fr
  • GB504793A - A process and apparatus for coating the inner surfaces of iron tubes with a non-ferrous metal : en
  • CH204467A - Motor vehicle. : de en
  • GR8175B - METHOD OF SEPARATION OF ANIMAL FAT IN STEATIC AND ACETIC FAT BY EXTRACTION. : el en
  • DE662624C - Box magazine for self-loading weapons with a return of the feeder taking place depending on the removal of a magazine wall : de en
  • FR840339A - Combination tool set with wrench for nuts : en fr
  • FR840621A - Method and device for making tear-off closures : en fr
  • CA381013A - Egg carton : en fr
  • CH204389A - Radio receiver. : en fr
  • DE675008C - Orthopedic footwear or shoe insert : de en
  • GB504337A - A process for the manufacture of an aldol condensation product from carbonyl compounds : en
  • AT156021B - Pipeline for liquids that solidify when cooled. : de en
  • AU107170B2 - Improvements relating to mounts for hypodermic needles : en
  • PL28178B1 - : en pl
  • FR840352A - Extra hard metal alloys and their applications : en fr
  • GB504292A - Improvements in or relating to tobacco pipes : en
  • DK56092C - Procedure for Visibility of Magnetic Fields Using a Suspension. : da en
  • CH204175A - Thermostat-controlled valve to maintain a constant flow temperature in central heating systems. : de en
  • GB504437A - Improvements in bogie trucks for railway motor vehicles : en
  • GB504291A - Hydrogenation of monovinylacetylene : en
  • GB504357A - Improvements in or relating to sliding clasp fasteners : en
  • GB504532A - Improvements in and relating to control arrangements for electric switches : en
  • DK56087C - Method for the Extraction of Water-Soluble Bioactive Substances. : da en
  • FR840509A - Ironing device : en fr
  • GB504704A - Process for the production of monobasic aluminium sulphite : en
  • US2155486A - Starting circuit for cathode ray tubes : en
  • US2155806A - Multifocal eyeglass frame : en
  • FR840646A - Improvements to silencers for aircraft engines : en fr
  • GB504468A - Improvements in or relating to apparatus for measuring the flow of gases : en
  • US2155515A - Regulator system : en
  • GB504388A - Improvements in or relating to safety razors : en
  • CA380944A - Water closet : en fr
  • FR840432A - Television equipment : en fr
  • US2155968A - Furnace or the like : en
  • US2155851A - Educational and identification chart : en
  • US2155953A - Propeller shaft mounting : en
  • CA380922A - Concrete mould lining : en fr
  • DE674905C - Device for sheathing cables and for producing pipes : de en
  • GB504703A - Improvements in gas or oil fired heating elements or radiants : en
  • FR840603A - Method of coupling organic groups : en fr
  • GB504519A - An improved method of and apparatus for casting metal rods, tubes and the like : en
  • DE675048C - Suction mouthpiece for vacuum cleaner : de en
  • DE675130C - Pull-through furnace with heat exchange for wires or narrow bands : de en
  • DE674972C - Inking unit for rotogravure printing machines : de en
  • US2155873A - Valve for brake systems : en
  • US2156084A - Speedometer for motor vehicles : en
  • CA381000A - Chemical manufacture : en fr
  • CH204439A - Process for the production of a new azo dye. : de en
  • US2155650A - Housing for repeater apparatus : en
  • US2156239A - Machine for laying breast covers at the joint between the heel and shoe : en
  • US2155931A - Method of applying an aircraft covering : en
  • US2155453A - Process of preparing fruit products : en
  • GB504812A - Improved process of and machine for moulding or casting products of concrete or the like : en
  • CA381045A - Super regenerative radio receiver : en fr
  • FR840515A - Process for the preparation of cyclopentanopolyhydrophenanthrene series ketones : en fr
  • FR840613A - Apparatus designed to burn fuel oil for defense against spring frosts : en fr
  • GB504467A - Improvements in or relating to the coagulation of colloidal dispersions : en
  • US2155758A - Automatic circuit breaker : en
  • FR840554A - Safety device for globe valve : en fr
  • GB504625A - Improvements in or relating to the measurement of the resistance experienced by a pile in pile driving : en
  • IE15419L - Plasticising vinyl resins : en
  • US2155415A - Coal mining system : en
  • US2155525A - Wringer drive mechanism : en
  • US2155576A - Leaf assembly binding : en
  • US2156095A - Production of condensation products from hydrogen sulphide and acetylene : en
  • US2156101A - Recirculating heating device : en
  • PL28141B1 - The method of extinguishing a fire. : en pl
  • US2155433A - Automatic direction signaling device for vehicles : en
  • US2155480A - Tennis playing machine : en
  • US2155886A - Hanger for garments : en
  • US2155940A - Vehicle axle coupling : en
  • US2156055A - Goniometer : en
  • FR840310A - Improvements in methods and devices to reduce interference disturbances in radio reception : en fr
  • GB504650A - Improvements relating to the construction of vehicle bodies : en
  • US2155615A - Articulated train : en
  • US2155765A - Door-operated electric switch : en
  • USD114441S - Design for a garment clasp : en
  • US2155662A - Railway vehicle : en
  • GB504497A - Artificial silk and method of manufacturing same : en
  • US2155630A - Tree spray oil : en
  • DE674856C - Circuit for the transmission of signals in telephone systems : de en
  • US2155700A - Disher : en
  • DE674883C - Pest repellants : de en
  • US2155455A - Hydraulic motor and pump : en
  • US2155825A - Numerical comparator : en
  • US2156051A - Ultra-short wave transmitter : en
  • US2156056A - Method of producing carrier frequencies : en
  • US2156102A - Propeller : en
  • BE433487A - : en
  • US2155421A - Safety device for hydraulic servomotors : en
  • US2156107A - Painted hoop and method of making it : en
  • US2156158A - Process for distilling tar : en
  • CA380981A - Dredge nozzle : en fr
  • US2155781A - Railway truck : en
  • CH204457A - Process for the production of a synthetic tanning agent. : de en
  • PL28156B1 - A car with an adjustable wheel drive and a half-track drive. : en pl
  • USD114519S - Design fob a textile fabric : en
  • CA380986A - Acetylene generating apparatus : en fr
  • US2155855A - Valve lubrication : en
  • US2156043A - Starting box : en
  • PL28251B1 - Device for shaving, knife sharpening, as well as cutting and planing. : en pl
  • CA380901A - Hydraulic conveyer : en fr
  • AT156025B - Frame for photographic and cinematographic lenses. : de en
  • AT155991B - Ski binding. : de en
  • GB504579A - Device for finding out the contents of not physically perceptible poisonous gas in the air : en
  • GB504622A - Improvements in or relating to electrical safety switching apparatus for vehicles and aircraft : en
  • PL28162B1 - Trolley cutter. : en pl
  • US2155726A - Cylinder lock : en
  • US2155747A - Rolling mill : en
  • FR840468A - Locking mechanism for switch actuators using compressed fluid and moving contact braking device : en fr
  • GB504653A - Improvements in or relating to cigarette collecting mechanism for use on cigarette-making machines : en
  • CA380967A - Damper winding thermal protection : en fr
  • FR840470A - Improvements to selective protection devices : en fr
  • PL28243B1 - Container for storing and transporting perishable substances. : en pl
  • US2156006A - Brake : en
  • FR840417A - Process for the preparation of cyclopentanopolyhydrophenanthrene series compounds substituted in a side chain in the alpha position with respect to a ketone group : en fr
  • US2155388A - Coil filament manufacture : en
  • US2155545A - Removal of tin from lead containing tin and other impurities : en
  • US2155654A - Broiler oven and pull-out drawer thereof : en
  • GB504680A - Improvements in or relating to sequentially operating circuit arrangements suitable for use for sequential switching : en
  • DE674944C - Machine for scoring or cutting insoles : de en
  • DE674958C - Bucket excavator convertible into a grapple or other device : de en
  • PL28281B1 - A self-acting device for regulating the operation of a battery of blowers and a battery of muds with such a device. : en pl
  • US2156195A - Clamp : en
  • AU107156B2 - Toilet accessory holder for ladies handbags : en
  • GB504590A - Improvements in or relating to liquid dispensing or other meter apparatus : en
  • CH204286A - Barrel spring. : en fr
  • USD114478S - Design for a chair or similar article : en
  • AT156009B - Extrusion press for processing plastic masses, such as clay or the like. : de en
  • CH204275A - Signal registrar. : de en
  • US2155587A - Machine for separating solid materials : en
  • US2156183A - Logging apparatus : en
  • DE675116C - Tie holder : de en
  • GB504577A - An improved process of preparing an infants' food : en
  • USD114454S - Design for a jewelry element for : en
  • CA380916A - Liquid air and oxygen production : en fr
  • CA381014A - Beef carcass treating method : en fr
  • AT156003B - Automatic central switch point for branched conveyor systems. : de en
  • CH204227A - Anti-slip iron for shoe heels. : de en
  • CH204461A - Binder for phonograph records. : en fr
  • US2155978A - Shock absorber : en
  • US2155807A - Output control for amplifier systems : en
  • US2155821A - Radio relay and distribution system : en
  • US2155967A - Refrigerator door : en
  • US2156064A - Electronic discharge device : en
  • CH204281A - Gas analysis method, especially for the detection of harmful gases in air. : de en
  • CA381057A - Crepe thread and fabric : en fr
  • US2155872A - Freight car loading apparatus : en
  • US2155910A - Container spout : en
  • US2155937A - Method for the incubation of eggs and hatching chickens, as well as pheasants and the like : en
  • CA380979A - Pipe line protecting method : en fr
  • US2156094A - Method of reproducing telephonic communications : en
  • US2156135A - Clutch control mechanism : en
  • CH204295A - Waterproof watch winder. : en fr
  • AT156013B - Equipment on film projectors that are set up for standstill projection or for film rewind, preferably for all three operating modes, in addition to film forward. : de en
  • CH204429A - Device for laying stone beds. : de en
  • AU107165B2 - Improvements relating to light projecting devices andmore particularly to light signal devices : en
  • CH204201A - Table top insert of metal. : de en
  • PL28182B1 - High frequency transmitter. : en pl
  • AU283138A - Improvements in or relating tothe manufacture of fuseheads : en
  • US2155510A - Air conditioning system : en
  • US2156072A - Operating mechanism : en
  • CA381002A - Coffee maker : en fr
  • AT155967B - Process for the production of hollow bodies by dipping. : de en
  • CH204314A - Device for leveling out unevenness on wooden surfaces by applying paint. : de en
  • DE675074C - Cord guide for plug cords : de en
  • GB504819A - Improvements in and relating to wrapper carrier mechanism for cigar making machines : en
  • AU144738A - Improvements in or relating to armchairs, sofas andthe like articles of furniture : en
  • CH204225A - Footwear. : de en
  • GB504321A - Improved method of and apparatus for conditioning grain : en
  • GB504656A - Improvements in or relating to film sound recording systems : en
  • CH204383A - Process for preparing an aminobenzenesulfonic acid amide compound. : de en
  • DE674987C - Aluminum refining furnace : de en
  • US2155778A - Bulb and battery tester : en
  • US2155815A - Pinking machine : en
  • CA380989A - Wirebound box manufacture : en fr
  • IS286A7 - Method involving the transfer of contacts in cohesive electrodes. : en is
  • CH204259A - Support for drawing board, desk top, etc. : en fr
  • AU356338A - Improvements in and relating to fittings. for drop side cots andthe like : en
  • CH204396A - Collar for cattle. : de en
  • US2155440A - Lock : en
  • AT156037B - Circuit for suppressing interference and harmonics. : de en
  • AU107193B2 - Protective compositions for fruits andthe like : en
  • CA380930A - Tobacco shredding process : en fr
  • US2155634A - Stock feeding means for automatic machine tools : en
  • US2156027A - Building concrete structures : en
  • US2155616A - Heater for permanent wave apparatus : en
  • US2155759A - Cap retainer : en
  • US2155826A - Caster : en
  • CA381019A - Typewriter type manufacture : en fr
  • CA380984A - Thrust bearing : en fr
  • US2155484A - Air conditioning apparatus : en
  • CH204406A - Scooter convertible into a trolley. : en fr
  • PL28204B1 - A self-acting device that regulates the disposal of waste in the rinsing tank. : en pl
  • US2155571A - Road tool : en
  • US2155668A - Package : en
  • US2155970A - Roll crusher : en
  • CH204353A - Device for automatic power control in electrical networks according to a prescribed program. : de en
  • US2155533A - Car construction : en
  • PL28208B1 - Automatic telephone exchange with line finders with multiple connection circuits connected to the subscriber circuits. : en pl
  • US2155779A - Rotary iron structure : en
  • CA381011A - Electrical condenser : en fr
  • CH204206A - Bristle device. : de en
  • CH204359A - Shift drum. : de en
  • CA380990A - Cover fastener : en fr
  • BE433577A - : en fr
  • US2155820A - Adjustable connection for rail points : en
  • US2156171A - Pipe : en
  • PL28228B1 - A method of producing phenylhydroxyacetic acid adducts with organic bases. : en pl
  • CH204454A - Process for the production of a synthetic tanning agent. : de en
  • DK56095C - Friction wheel drive mechanism. : da en
  • CA381054A - Telephone system : en fr
  • CH204248A - Newspaper holder. : de en
  • FR840488A - Circular saw sharpening machine, with oscillating support : en fr
  • CH204342A - Device for adjusting the ignition point in internal combustion engines by means of a linkage coupled to the throttle lever. : de en
  • AU107171B2 - Improvements in electric glow discharge lamps : en
  • CH204343A - Device for cooling the heater tubes of thermal power plants, in which a gaseous working medium describes a closed circuit. : de en
  • CH204411A - Servo-control device for hydraulic vehicle brakes. : en fr
  • FR840413A - Mechanical counter, in particular for folding boxes : en fr
  • GB504323A - Improvements in or relating to bottles or containers of paper, wood-pulp or the like : en
  • GR8169B - METHOD OF INDEPENDENT IMPRESSION AS SOAP NAMES, IMAGES AND SIMILAR. : el en
  • DE674978C - Arrangement for the operation of synchronous motors with variable speed : de en
  • DE674980C - Process for the preparation of suppositories : de en
  • DE675032C - Process for the preparation of conversion products of methacrylic acid or its derivatives : de en
  • US2155404A - Amplifier circuit : en
  • US2155956A - Portable apparatus for making iced bodies : en
  • AU412238A - Improvements in electric incandescent lamps : en
  • AT156031B - Hygienic article of the type of a bandage, in particular a sanitary napkin. : de en
  • PL28212B1 - Electric high-performance mercury lamp. : en pl
  • AU107189B2 - Improvements in processes of producing pitted surfaces for printing plates andthe like andthe products thereof : en
  • US2155845A - Air inlet device for flush valves : en
  • US2156096A - Refrigerating machine : en
  • CA381010A - Container head securing machine : en fr
  • CH204313A - Wooden element for the production of cladding, building structures, furniture, picture frames and the like. And method for producing the wooden element. : de en
  • US2155577A - Closet seat for infants : en
  • AU107173B2 - Improvements in or relating to tins andother similar containers : en
  • CH204170A - Process for the production of reinforced concrete. : de en
  • DE674928C - Contact device controlled by the rotation of a shaft : de en
  • FR840378A - Equipment intended to stop tanks and armored cars fitted with wheels or tracks : en fr
  • FR840622A - Glasses incorporating a light device : en fr
  • USD114438S - Design for a dry shaver or similar : en
  • USRE21062E - Cab roof : en
  • FR840551A - Nitrogen-acylated urethanes and process for their manufacture : en fr
  • GB504429A - Improvements in or relating to ionisation chamber apparatus for measuring electric radiation : en
  • AT156048B - Device for the objective determination of the light filter to be used in the production or when copying color photographs. : de en
  • CH204366A - Process for converting heavy current of a given type into another type of current with the aid of a periodically operating mechanical contact device. : de en
  • PL28249B1 - The method of osmosis saturation of fresh wood, especially coniferous wood, such as spruce and fir. : en pl
  • CA380931A - Cigarette packeting machine : en fr
  • CH204194A - Drain pan on gas stoves. : de en
  • AU107182B2 - Improvements in or relating tothe manufacture of fuseheads : en
  • CA380952A - Wire spool alarm device : en fr
  • DE674898C - Device to prevent overloading of a metal vapor rectifier, the anodes of which are closely surrounded on the sides by a cylindrical anode protection tube : de en
  • DE675000C - Altitude control for aircraft : de en
  • DE674983C - Automatic control for the winches of hay lifts : de en
  • CH204324A - Gate valve to be installed in lines for high-tension gases or liquids. : de en
  • CH204407A - Motor chassis. : de en
  • CH204464A - Polyphase transformer. : de en
  • AU139038A - Improvement in hydraulic hoisting mechanism for tipping bodies of motor trucks : en
  • US2155782A - Trailer coupler : en
  • US2156036A - Alginate in oleomargarine : en
  • US2156038A - Strip aligning means : en
  • AT155981B - Method and device for hardening glass panes. : de en
  • DE674853C - Device for cutting the weft thread loops on interchangeable looms : de en
  • DE675072C - Device for automatic adjustment of the braking force on vehicle brakes : de en
  • CH204228A - Method and device for condensing milk, fruit juices and the like. : de en
  • GB504652A - Improvements in or relating to collecting mechanism for use in cigarette making machines : en
  • CH204431A - Stone saw. : de en
  • FR840503A - Advanced Crystal Detector Radio Receivers : en fr
  • FR840591A - Machine for generating helical surfaces : en fr
  • GB504430A - Needle changing device for gramophone and like sound boxes : en
  • CH204287A - Clock. : de en
  • CA380906A - Skate : en fr
  • US2155622A - Lay figure for displaying fabrics in the form of garments : en
  • CH204166A - Container used for planting purposes. : de en
  • CH204171A - Window. : en fr
  • CH204326A - Torque converter based on the Föttinger principle with counter-rotating turbine wheels. : de en
  • DE675100C - Process for the production of such abutment brackets for suspension springs of rail vehicles, the bolt eye of which is widened with respect to the legs : de en
  • CH204463A - Device for regulating the fuel supply in internal combustion engines that work at different altitudes. : de en
  • US2155901A - Saw set : en
  • US2155819A - Evaporator : en
  • USD114504S - Design for a dress : en
  • AU418938A - Garment renewing machines : en
  • CA380948A - Electric translation device mounting : en fr
  • AT155951B - Bending machine for bar and profile iron, in particular for concrete iron. : de en
  • AT155986B - Connection between vehicle parts that can move relative to one another and / or are used for locking, in particular for motor vehicles. : de en
  • PL28188B1 - A device for the production of tire protectors by vulcanization. : en pl
  • PL28151B1 - Auxiliary device for a breathing apparatus. : en pl
  • US2156160A - Lignin molding compound : en
  • US2155410A - Production and treatment of artificial textile materials containing organic derivatives of cellulose : en
  • US2156011A - Apparatus for suspending glass plates : en
  • US2156093A - Process of preparing vinyl esters : en
  • US2155544A - Trap : en
  • AT156050B - Device with multi-grid mixing tube. : de en
  • FR840343A - Improvements to electrical measuring devices : en fr
  • PL28214B1 - A method of producing pipes from a coiled tape with a smooth shear seam and a device for carrying out this method. : en pl
  • CA380959A - Bearing material : en fr
  • AT155952B - Process for the production of horseshoe nails by cold pressing in four-jaw presses. : de en
  • CH204401A - Tube. : de en
  • CH204250A - Sheet guiding device to be attached to a writing office machine, in particular to a typewriter. : de en
  • GB504505A - An improved apparatus for welding : en
  • GB504616A - Improvements in or relating to radio receiving systems : en
  • CH204243A - Process for the production of pressed pieces from aluminum-bronze powder. : de en
  • CH204360A - Device for remote control of networks. : de en
  • AT155999B - Gas mask window. : de en
  • DE674827C - Circuit arrangement for the transmission of current surges in telephone systems : de en
  • DE674996C - Process for the preparation of extracts from egg yolk : de en
  • CH204238A - Process for the preparation of a nitrogen compound. : de en
  • CH204415A - Device for loading logs onto trucks with trailers. : de en
  • GB504575A - Improvements in or relating to heavy oil burners and air heating apparatus incorporating the same : en
  • GB504581A - Improvements in or relating to paper-making machinery : en
  • GB504816A - Improvements in pneumatic brake systems : en
  • CH204165A - Leaf rake. : de en
  • FR840495A - Spiked wheel improvements : en fr
  • FR840561A - Industrial product consisting of a pad with elastic lining : en fr
  • FR840552A - Stabilized soluble stannite depilatory : en fr
  • CA381026A - Air doctor : en fr
  • CH204288A - Lever escapement for timepieces. : en fr
  • AU107211B2 - Improvements in or relating to molds freezing liquids : en
  • BE433021A - Solid fuel for gasifiers of motor vehicles. : en fr
  • US2155594A - Electric switch indexing mechanism : en
  • US2156138A - Traffic control system and apparatus : en
  • CH204456A - Process for the production of a synthetic tanning agent. : de en
  • AU107177B2 - Improvements in inductor type electric relays : en
  • CH204239A - Process for the production of a dichlorochrysen. : de en
  • CH204384A - Process for preparing an aminobenzenesulfonic acid amide compound. : de en
  • CH204438A - Process for the production of a new azo dye. : de en
  • FR840486A - Mechanical fixing system of metal lamps at the place of their use : en fr
  • PL28252B1 - Heat exchanger with spiral walls. : en pl
  • CH204212A - Method for manufacturing strands and metal cables that are non-rotatable and anti-rotation and machine for implementing this method. : en fr
  • CH204162A - Device for operating the knife of a motor mower. : en fr
  • PL28218B1 - Steam boiler with forced water circulation, also adapted to work with a natural water circulation. : en pl
  • US2155964A - Insulated strainer and method of fabricating same : en
  • US2155972A - Tire : en
  • CH204333A - Pump system driven by an internal combustion engine. : de en
  • CA380941A - Windmill stub post : en fr
  • PL28129B1 - foundry. : en pl
  • US2156031A - Trousers hanger : en
  • CH204423A - Speed change transmission. : de en
  • US2156232A - Binder : en
  • PL28149B1 - Fire tube outlet nozzle. : en pl
  • AT156023B - Method for heating brickwork ring kilns and other kilns and firing equipment for carrying out the same. : de en
  • DK56082C - Device for Meters with Meters, especially Accumulator Meters. : da en
  • FR840523A - Sealing device for the mechanisms used to clean sand filters : en fr
  • US2155608A - Fuel distributing apparatus : en
  • CH204450A - Process for the production of a new azo dye. : de en
  • FR840537A - Device intended for the reception of oscillations with variable frequency and controlled tuning : en fr
  • GB504675A - Improvements in or relating to nozzles for the introduction of steam and/or other vapour or gas into water or other liquids : en
  • USD114457S - Design for a shoe : en
  • FR840332A - Improvement in the manufacture of magnesium by reduction of giobertites and dolomites by aluminum : en fr
  • GB504436A - Improvements in and relating to rafts and the like : en
  • US2156080A - Alarm device : en
  • US2156121A - Burner : en
  • US2156137A - Band-pass selector : en
  • FR840460A - Improvements to materials for the manufacture of dentures : en fr
  • GB504416A - Improvements in pivotal mountings for mirrors : en
  • GB504526A - Image analyzing and dissecting tube for television systems : en
  • GB504610A - Sewing machine : en
  • GB504663A - Improvements relating to tilting conveyor tables for use in connection with rolling mills : en
  • FR840449A - Economic kitchen stove that can also be used for hot water production and central heating : en fr
  • FR840588A - Resonance mechanisms : en fr
  • GB504297A - Improvements in or relating to phenol-aldehyde resin compositions : en
  • GB504499A - Improvements in or relating to photographic roll film cameras : en
  • PL28186B1 - Compass with liquid. : en pl
  • AU159138A - Improvements in or relating to radio direction finding installations : en
  • CH204347A - Process for the production of fixed conductors for fuel chains. : de en
  • DE674756C - Pulling and pushing device for railway vehicles in which the side buffers are connected to the tie rods by means of cross levers : de en
  • DE674824C - Telecommunication system : de en
  • DE674889C - Band filter for formant circles in electrical musical instruments : de en
  • US2155767A - Stage device for coujuring representations : en
  • US2155914A - Process for the preparation of a bleaching and sterilizing agent : en
  • US2156111A - Closure device for containers : en
  • USD114523S - Design for a textile fabric or : en
  • US2155531A - Artificial construction stone : en
  • US2155603A - Nonremovable chart holder : en
  • US2156071A - Sulphur dyes from hydroxydiarylamines : en
  • US2156224A - Bag filling device : en
  • FR840535A - High pressure metal vapor electric discharge tube : en fr
  • GB504272A - A self-oiling wheel for the road wheels of vehicles, pulleys and the like : en
  • US2155798A - Cigarette filter : en
  • DE674986C - Process for the production of threads, strips and similar elongated structures from aqueous dispersions of rubber or rubber-like substances : de en
  • US2155482A - Die fitting machine : en
  • CH204221A - Collar fastening device on shirts with a detachable turn-down collar. : de en
  • CH204435A - Process for the preparation of 4,4'-tetrabutyl-diaminobenzophenone. : de en
  • DE674911C - Push-button torque switch with high-helix thread drive : de en
  • FR840329A - New application of compensation, of the principle of compensation or compensation systems, to the introduction of combustion air in gasifier fires : en fr
  • GB504598A - Improvements in shock absorbing devices : en
  • PL28192B1 - A hood-shaped rotor with a large number of slotted poles, embossed from sheet steel and used for self-starting synchronous motors. : en pl
  • PL28247B1 - the preparation of easily water-soluble double calcium salts of ascorbic acid. : en pl
  • FR840335A - Measuring and pouring cap : en fr
  • FR840527A - Letter envelope : en fr
  • US2156052A - Logging device : en
  • DE675129C - Process for filling containers with liquefied gases under pressure : de en
  • FR840498A - Teleprinter central office systems : en fr
  • GB504544A - Improvements in expansible bands, bracelets and the like : en
  • PL28187B1 - System of oscillator - modulator connection with multi-grid lamp. : en pl
  • US2155891A - Furrow dammer : en
  • US2156197A - Marking apparatus : en
  • US2155719A - Well strainer : en
  • US2155884A - Bottle rack : en
  • DE675167C - Switching device for gear change transmissions of motor vehicles : de en
  • US2155475A - Sensitizing silver halide emulsions : en
  • US2155917A - Hair parting device : en
  • FR840608A - Thermionic amplifiers : en fr
  • FR840419A - Remote control and monitoring device for several stations or stations : en fr
  • US2155832A - Traffic control sign : en
  • GB504327A - Method of duplicating band sound records produced by the needle sound recording method : en
  • GB504629A - Improvements in electron multipliers and circuits utilising them : en
  • USD114437S - Design for sunglasses : en
  • FR840345A - Device for the search for the future point of night shooting on an airplane : en fr
  • US2155451A - Bolster spring unit : en
  • PL28140B1 - A method of producing and displaying a color film. : en pl
  • FR840431A - Device for transmitting current pulses in remote transmission installations : en fr
  • FR840584A - Sophisticated clip for all uses and particularly for hanging curtains : en fr
  • GB504684A - Improvements in vulcanization of rubber : en
  • FR840650A - Bogie for railway vehicle : en fr
  • GB505175A - Improvements in and relating to control devices for power driven pumps : en
  • CH204213A - A method of manufacturing a fabric comprising a backing, and a fabric obtained by said process. : en fr
  • GB504510A - Pressure relaxing device for portable props : en
  • US2155920A - Heading and trimming machine : en
  • US2155946A - Insecticidal oil spray : en
  • US2155502A - Milk cooling cabinet : en
  • US2155655A - Handley : en
  • US2155859A - Manufacture of spiral pipe : en
  • US2155744A - Well strainer : en
  • US2156198A - Method for seismic prospecting : en
  • BE433563A - : en
  • DE675071C - Thomas process carried out with subdivided amounts of pig iron : de en
  • FR840410A - Fastening systems for buttons : en fr
  • GB504631A - Improvements in and relating to pile wire operating mechanism for weaving looms : en
  • DE674994C - Button holding device on button receiving machines : de en
  • GB504521A - Improvements relating to stuffing boxes : en
  • GB504924A - Process for casting annular iron bodies upon steel or forged iron shafts : en
  • CH204216A - Knitted goods and processes for their manufacture. : de en
  • FR840595A - Camera for film on reels, with shutter of arming with sectors : en fr
  • FR840580A - Releasable clutch device between the interline wheel and the paper cylinder of typewriters and the like : en fr
  • GB504594A - Improvements in or relating to extruding machines for clay, soap and other plastic material : en
  • PL28193B1 - A method of refining the structure of aluminum alloys. : en pl
  • US2155454A - Dough mixing apparatus : en
  • US2155671A - Combination harvester thresher : en
  • US2155814A - Game : en
  • GB504382A - A new or improved feeding-device for use in moulding-machines, presses and other machines : en
  • PL28128B1 - A method of collecting and transporting garbage from cities and a device for using this method. : en pl
  • US2155846A - Insulator : en
  • FR840365A - Remote flame transmitter cable for all applications : en fr
  • AU107038A - Improvements in method of and apparatus for feeding and spreading cotton yarn orthe like from warps thereof and cutting same into lengths for manufacturing mops orthe like : en
  • DE674952C - Process for the photographic production of perforated disks or light modulators : de en
  • FR840464A - Tobacco distributor for continuous roll cigarette making machines : en fr
  • GB504454A - Improvements in and relating to sleeve-like paper containers : en
  • GB504785A - Improvements in or relating to the voltage regulation of electric dynamos : en
  • US2155724A - Drafting machine : en
  • DE675106C - Process for the pre-purification of alcohol during direct distillation from fermented, weakly alcoholic liquids : de en
  • GB504495A - Improvements relating to adjustable paper stop devices for accounting machines : en
  • FR840625A - Frame body : en fr
  • GB504410A - Improvements in or relating to washing machines used in laundries : en
  • CA381020A - Lever electric lock : en fr
  • DE674894C - Process for improving mercerising liquors : de en
  • US2155401A - Rate control course changing means for automatic pilots : en
  • US2155787A - Centrifuge for continuously separating semisolid constituents : en
  • US2155648A - Yarn : en
  • DE674899C - Process for the production of highly viscous aqueous dispersions of bituminous substances : de en
  • FR840478A - Titrograph : en fr
  • GB504311A - Improvements in and connected with cartons and the sealing thereof : en
  • GB504413A - Improvements relating to filter apparatus : en
  • DE674881C - Device for determining the average volume weight of any filling material : de en
  • AT155979B - Shaft oven for drying and drying. : de en
  • CH204466A - Air foam generator. : de en
  • GR8170B - PACKAGING AND STORAGE SYSTEM OF FRESH GRAPES. : el en
  • US2155379A - Tractor hitch : en
  • US2156142A - Manifolding assembly for mailing : en
  • US2155558A - Pressure regulator : en
  • US2155741A - Apparatus for producing music synthetically : en
  • DE675025C - Closing door for electrical series switching cells : de en
  • DE674923C - Process for the asynchronous coupling of alternating current networks of different frequencies with energy exchange in any direction via converter : de en
  • PL28274B1 - A stove for space heating. : en pl
  • DE675010C - Atomizing device : de en
  • DE675085C - Control device for oil firing systems : de en
  • GB504288A - A new or improved cap or device for protecting the knees or elbows of miners and other persons : en
  • US2155653A - Method for freshing-up ink ribbons : en
  • FR840453A - multipurpose transparent screen : en fr
  • PL28221B1 - Dial for a telephone set with digits glowing in the dark. : en pl
  • US2155918A - Wax stripper and tension device : en
  • US2156203A - Multicylinder engine : en
  • USD114513S - Design for a combined stove top : en
  • FR840506A - Release device for mechanical couplings, in particular for motor vehicles : en fr
  • GB504615A - Improvements in and relating to labels for container bodies formed by winding strip material : en
  • US2155713A - Ballast working implement and method : en
  • US2155766A - Constant-fit bearing : en
  • US2155601A - Bailer : en
  • US2156151A - Reinforced ladder webbing : en
  • US2156168A - Method fob concentrating : en
  • US2155849A - Door operating mechanism : en
  • US2156221A - Thread protector : en
  • CH204223A - Composite shoe sole. : en fr
  • CH204296A - Calendar watch with calendar data that can be read through sections of the dial. : de en
  • DE675033C - Pressure device for mower knife : de en
  • GB504603A - Means for centring chill moulds of centrifugal casting machines : en
  • CA380905A - Paper napkin package : en fr
  • US2155840A - Electrical transformer : en
  • PL28148B1 - Grease for the maintenance of cast iron and steel objects. : en pl
  • DE674844C - Rivet feeding device for machines for drilling or punching with subsequent riveting : de en
  • BE433210A - binders : en fr
  • CA381049A - Crystal controlled generator : en fr
  • PL28278B1 - A method of hardening artificial or natural resin coatings, hardening by the action of heat, on the inner surface of tanks / especially vats and tanks. : en pl
  • US2155672A - Brake mechanism : en
  • US2156185A - Knitting machine : en
  • AU204638A - Impact wrench : en
  • CA380977A - Oil container : en fr
  • DE674874C - Process for the manufacture of a product from wool fat which is colloidally soluble in water : de en
  • DE675023C - Coin phone with cashier magnet : de en
  • US2155780A - Smoking pipe : en
  • USRE21056E - Bumper attachment : en
  • CA380966A - Lubricant control mechanism : en fr
  • IE15218L - Converting rotary into reciprocating motion. : en
  • AT155988B - Shooter hitting device for high-performance mechanical looms, in particular rapier looms. : de en
  • CH204328A - Mobile hydraulic lift. : en fr
  • FR840531A - Improvements to wall buffers : en fr
  • GB504706A - Improvements in or relating to thermal engines : en
  • FR840476A - Control by hydraulic turbine, for rotary hygiene or toilet instruments : en fr
  • FR840308A - Process for the preparation of insecticide and fungicide products : en fr
  • FR840505A - Underarms : en fr
  • PL28135B1 - A method of separating mixtures of crystalline salts easily soluble in water. : en pl
  • PL28257B1 - A device for launching a machine gun. : en pl