• DE744946C - Business printing machine controlled by payment cards : de en
  • DE744928C - Process for the extraction of gas components with the help of switchable cold storage : de en
  • US2340396A - Airplane power plant cooling : en
  • USD137173S - Design fob a bird figure : en
  • CH230837A - Bay closing device. : en fr
  • US2340712A - Snap clamp : en
  • GB559055A - Improvements in or relating to manhole covers : en
  • CH230740A - Apparatus for determining the state of at least one periodic process at any given point in time. : de en
  • CH230858A - Process for the preparation of a benzenesulfonamide derivative. : de en
  • FR890288A - Disinfectants and antiseptics : en fr
  • GB559049A - Improvements in and relating to the reduction of metals to powdered or granular form : en
  • FR890246A - Measuring instrument to determine the direction of the celestial pole : en fr
  • GB559105A - Apparatus for the stabilization of alternating voltages : en
  • US2340481A - Apparatus for starting flow in wells : en
  • US2340690A - Process for forming alcohols or esters : en
  • US2340725A - Quenching of metals : en
  • USD137193S - Design for a dress : en
  • FR890291A - Method and device for the direct and continuous production of pig iron and steel from ores : en fr
  • GB559086A - Improvements in or relating to liquid sealed pumps : en
  • CA418230A - Variable speed gear : en fr
  • CH230727A - Measuring tool. : de en
  • US2340610A - Preparation of titanium dioxide : en
  • FR890182A - Centrifugal clutch : en fr
  • CH230652A - Oven with water container and interior that can be opened and closed for drying, cooking, baking, keeping food and beverages warm or cooling. : de en
  • CH230735A - Balance lever support. : de en
  • US2340434A - Double extension lens scale : en
  • FR890230A - Manufacturing process for very bright zinc-plated projector mirrors on a steel support : en fr
  • US2340647A - Sewing machine : en
  • US2340422A - Container and blank therefor : en
  • CA418095A - Dielectric testing method and means : en fr
  • CH230714A - Squeegee device on gravure printing machines. : de en
  • CH230831A - Central control equipment for steam locomotive with independent powered axles. : en fr
  • US2340345A - Coffee roasting machine : en
  • CH230780A - Fuel injector on internal combustion engines. : de en
  • FR890305A - Device for emptying the basins of washbasins or the like : en fr
  • US2340313A - Method of treating cereal grains : en
  • US2340354A - Baking method : en
  • US2340410A - Flue top : en
  • CA418141A - Gas measuring and controlling apparatus : en fr
  • CH230853A - Electrical contact converter. : de en
  • FR890275A - Electronic lamp : en fr
  • US2340751A - Volumeter for continuous measurement : en
  • FR890296A - Magnetic amplifier : en fr
  • US2340703A - Metal strain relief : en
  • GB559044A - Catalytic reaction of oxides of carbon with hydrogen : en
  • IE16797L - Telephone systems. : en
  • FR890151A - Improvements to centering devices for electrodynamic loudspeakers : en fr
  • FR890309A - Elastic system for friction blades used in electromagnetic clutches with blades : en fr
  • GB559126A - Improvements in periodic switching apparatus for the automatic control of temperature or other variable quantity : en
  • FR890205A - Brush-brush of a new portable model intended for the maintenance, the cleaning of the nails and the toilet of the digital ends : en fr
  • FR890267A - Method and apparatus for lining hollow bodies, in particular bearings, with a metal casting by the centrifugal process : en fr
  • CH230660A - Agent for glow-resistant coatings. : de en
  • CA418165A - Adhesive sheet material : en fr
  • FR890156A - Process for coloring magnesium and magnesium alloys : en fr
  • US2340809A - Electrical calculating equipment : en
  • PL32488B1 - A method of electrolytic separation of shiny zinc deposits on other metals, e.g. steel : en pl
  • US2340844A - Heating apparatus : en
  • CA418127A - Engine power output control device : en fr
  • US2340538A - Ivtoltispindle automatic lathe : en
  • FR890273A - Electronic lamp : en fr
  • US2340411A - Combined window and blind construction : en
  • PL32447B1 - Manufacturing method for armor inserts : en pl
  • PL32506B1 - Ringhoffer-Tatra-Werke, A. G., Prague Mounting of air-cooled rear engine with V-cylinders in a split power unit of a motor vehicle : en pl
  • US2340830A - Control mechanism : en
  • GB559053A - Alkylation process : en
  • US2340466A - Piston and like packing device : en
  • US2340607A - Press : en
  • US2340628A - Tank vehicle : en
  • CH230779A - Carburettors for internal combustion engines. : de en
  • AU808843A - Cane harvesting machine : en
  • CA418110A - Necktie : en fr
  • CH230667A - Electric appliance for cooking. : en fr
  • CH230645A - Atomizer. : de en
  • US2340586A - Tire tool : en
  • US2340829A - Electric soldering iron : en
  • US2340534A - Motor control system : en
  • DE744931C - Telecommunication and remote control equipment : de en
  • US2340571A - Power transmission device : en
  • CA418137A - Gas valve : en fr
  • US2340526A - Paving block : en
  • US2340530A - Combination traffic control and flashlight device : en
  • FR890228A - Planetary Bearing Variable Speed Drive : en fr
  • US2340816A - Apparatus for control of highway crossing signals : en
  • GB559125A - Improvements in or relating to revolving clearers for use in textile combing machines : en
  • US2340387A - Protective encasing means : en
  • PL32494B1 - Schallband - Syndikat fl. - G., Berlin J> ll9 Ó \} [Matrix for the serial production of audio tapes with a mechanical tone letter, a method of producing it with a wax tape provided with a mechanical tone letter, and a device for performing this method : en pl
  • USD137171S - Portable airplane workshed : en
  • CH230802A - Pinch foot for multi-electrode light bulbs and process for its manufacture. : de en
  • CA418219A - High frequency oscillation generating apparatus : en fr
  • US2340359A - Fountain pen : en
  • CA418112A - Sewing machine table leg cushion : en fr
  • FR890194A - construction element for parquet floors : en fr
  • FR890308A - Contact bridge for switch motors : en fr
  • US2340567A - Preparation of aluminum sulphate : en
  • FR890197A - Fixed cabling basket cabling machine, in particular for cabling telecommunication conductors : en fr
  • US2340515A - Reflector for headlights : en
  • US2340721A - Apparatus and method for purifying water : en
  • BE453404A - Fixing hinge for postage stamps and analogues : en fr
  • CH230744A - Method for fixing two juxtaposed cord ends of a wristwatch, jewelry, etc. link, and link obtained by this method. : en fr
  • CH230765A - Electromagnetic impact machine. : de en
  • CH230706A - Process for the production of plastics by polymerizing vinyl compounds at ordinary temperatures. : de en
  • US2340718A - Barometric telemetering transmitter : en
  • CH230696A - Process for the preparation of a fuel-soluble dye. : de en
  • CH230804A - Diagnostic instrument. : de en
  • US2340580A - Process of purifying industrial sands : en
  • US2340374A - Lading brace : en
  • US2340749A - Variable permeability tuning system : en
  • FR890175A - Manufacturing process for sustainable geographic maps : en fr
  • PL32492B1 - Press for gluing frame shoes : en pl
  • CH230732A - Air plumbing system. : de en
  • PL32481B1 - Table or wall mounted fan : en pl
  • FR890153A - Process of hardening and tanning of artificial fibers based on albumin : en fr
  • US2340842A - Apparatus for treating impure liquids : en
  • CH230657A - A method of constructing a heater and a device obtained by this method. : en fr
  • CH230846A - Adhesive based on animal glue. : de en
  • CH230684A - Process for the saccharification of cellulosic materials using dilute mineral acids. : en fr
  • CH230854A - Process for the preparation of scopolamine bromopropylate. : de en
  • CA418143A - Vapour generator control system : en fr
  • US2340301A - Adjustable link and clamp assembly : en
  • CH230762A - Dry shaver. : de en
  • US2340566A - Method of installing valve port liners : en
  • US2340494A - Fluid coupling : en
  • AU118054B2 - Pulse modulation system : en
  • GB559141A - A new or improved soap saving device : en
  • US2340593A - Filler neck and cap : en
  • US2340801A - Record controlled perforating apparatus : en
  • FR890337A - Chain support, rotating rollers for conveyor belts : en fr
  • FR890294A - Air insulated cables : en fr
  • FR890342A - Drill hammer : en fr
  • GR10217B - PRACTICAL DISTILLER. : el en
  • CA418210A - Resinous material : en fr
  • US2340708A - Jewelry clasp : en
  • SU63020A1 - Amplifier : en ru
  • CA418122A - Engine exhaust silencer : en fr
  • US2340355A - Process for breaking petroleum emulsions : en
  • AU118047B2 - Improved process for refining crude waxes : en
  • CA418197A - Drilling mud processing : en fr
  • CA418231A - Clothes hanger : en fr
  • CH230777A - Internal combustion piston engine with swash plates. : de en
  • US2340323A - Plumbing system : en
  • US2340353A - Bottle : en
  • US2340414A - Refrigeration : en
  • CH230702A - Alcohol and hydrocarbon based fuel. : en fr
  • US2340671A - Injector : en
  • US2340645A - Holder for bottles : en
  • CH230731A - Modulation device with carrier suppression in a high frequency system. : de en
  • CA418109A - Paper fastener : en fr
  • CH230722A - Cord drive gyro. : de en
  • CH230797A - Pulse relay with toggle armature. : de en
  • US2340785A - Method and apparatus for casting diamond studded tools : en
  • US2340595A - Textile truck for yarn holders : en
  • US2340596A - Key actuated type selecting : en
  • PL32466B1 - A method for producing self-evolving photosensitive layers containing both a diazo compound and a dye component and possibly also powdered alkaline substances, and a method for producing them : en pl
  • PL32484B1 - Patent-Treuhand-Gesellschaftfur elektrische Gluhlampen m. B. H., Berlin Electric glow lamp or discharge lamp, especially for rooms exposed to the risk of explosion : en pl
  • US2340796A - Arc welding : en
  • US2340443A - Controlled degenerative feedback circuits : en
  • US2340821A - Shot spreading device : en
  • AU118058B2 - Improved method and apparatus for use inthe annealing of metals : en
  • US2340727A - Electric apparatus : en
  • DE744930C - Step resistor for controlling electric vehicle drive motors and similar electric motors : de en
  • PL32493B1 - Method of compensation of joints in telecommunications lines : en pl
  • US2340399A - Fluid control valve : en
  • CA418101A - Curtain heading tape : en fr
  • CA418157A - Non-plastic material moulding method : en fr
  • BE453494A - Process for preparing sulfonic acids : en fr
  • CA418228A - Adjustable bed : en fr
  • GB559100A - Improvements in or relating to electrical discharge tubes or lamps : en
  • GB558956A - Improvements relating to the manufacture of 2-aminothiazole : en
  • US2340662A - Piston : en
  • US2340445A - Automatic switch : en
  • US2340482A - Plasticized polyvinyl acetal resin : en
  • USD137163S - Brilliant cut diamond or similar article : en
  • CH230691A - Process for making durable percarbonate. : de en
  • CA418232A - Fare box : en fr
  • DK61847C - Coupling device for AC telegraph system with Phase change. : da en
  • FR890170A - Sheet metal edge cleaning machine : en fr
  • GB559113A - Improvements in and relating to reversible control of capacitor electric motors : en
  • PL32459B1 - A method of radio determining the landing route for airplanes and a device for using the method : en pl
  • FR890328A - Method of manufacturing a cold-formed reinforcing iron : en fr
  • US2340696A - Method of purification of polymerized rosins and rosin esters : en
  • DK61857C - Apparatus for drilling parallel pin channels in natural teeth. : da en
  • GB559043A - Improvements in polyvinyl resin compositions : en
  • DK61851C - Multiple rotary capacitor. : da en
  • FR890240A - electromagnet for tripping circuit breakers and similar applications : en fr
  • GB559047A - Improvements relating to electromagnetic devices and especially to electric telegraph relays : en
  • FR890319A - Aerodynamic bodywork for fast moving motor vehicles : en fr
  • GB559099A - Improvements in automatic weighing apparatus embodying a totalising mechanism : en
  • US2340747A - Method and apparatus for pumping volatile liquids with rotary elements : en
  • CH230851A - Process for the insulation of transformers and other electrical apparatus that require a liquid insulating agent. : de en
  • FR890316A - Process for preparing methyl allyl chloride : en fr
  • CH230845A - Process for the preparation of a trisazo dye. : de en
  • PL32483B1 - Machine for the production of shapes from chips bonded with a fossilized binder : en pl
  • FR890165A - Hydraulic dynamometric device for mechanical press testing : en fr
  • DK61865C - Automatic firearm. : da en
  • CH230865A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • PL32479B1 - A device for automatic displacement of a group of several centrifugal pumps : en pl
  • CA418194A - Motor fuel : en fr
  • CA418208A - Dispenser for comminuted solids : en fr
  • CA418243A - Knitting machine : en fr
  • CH230741A - Device for suspending the burner of a sound recording machine on disc. : en fr
  • FR890343A - Improved weldability Thomas structural steel : en fr
  • FR890216A - Process for preparing products of interest as softeners : en fr
  • US2340528A - Condensation products from substances of the type of dihydroxydiphenylmethane and process of making them : en
  • PL32461B1 - Wilhelm Bauer, Hamburg and Arthur Milan Hanbury — Sparrow, Bath Soil cultivator with rotating cutters : en pl
  • USD137183S - Design for an apron : en
  • CA418242A - Gear shifting mechanism : en fr
  • FR890217A - Device frame : en fr
  • US2340756A - Heat exchanger : en
  • CH230758A - Device for bending barrel jackets. : de en
  • CH230829A - Pump. : de en
  • AU812143A - Calibration of master oscillators : en
  • BE453555A - Process for the preparation of chlorites from chlorine dioxide in an alkaline medium, in the presence of a reducing agent : en fr nl
  • US2340783A - Pivoted flight conveyer : en
  • GB558991A - Improvements in or relating to reciprocating pumps : en
  • US2340745A - Isomerization of ricinoleic compounds : en
  • CA418158A - Heat exchanger : en fr
  • FR890287A - Condensation products and process for preparing these products : en fr
  • CH230769A - Centrifugal clutch with centrifugal bodies under spring action. : de en
  • US2340360A - Machine and method for assembling electric wire terminals : en
  • CA418151A - Electric discharge apparatus : en fr
  • US2340462A - Brake : en
  • US2340612A - Clutch and brake mechanism : en
  • US2340702A - Luggage case : en
  • CH230703A - Process for making lubricants. : de en
  • US2340513A - Arrangement of the transverse supports in automatic and semiautomatic lathes : en
  • US2340554A - Telephone system : en
  • US2340784A - Method and apparatus for upsetting pipe ends : en
  • CH230840A - Method of preparing a compound of the etiocholanic acid series. : de en
  • USD137178S - Design for a flower vase : en
  • FR890210A - Parquet : en fr
  • GB558985A - Improvements in or relating to shock absorbers : en
  • US2340505A - Airfoil testing apparatus : en
  • US2340666A - Invalid's footrest and exerciser : en
  • CA418139A - Tool for upsetting tubular rivets : en fr
  • CH230815A - Amplifier device. : de en
  • US2340573A - Camera diaphragm : en
  • US2340364A - Audio transmission circuit : en
  • FR890226A - Indicator device for motor vehicle and trailer brakes : en fr
  • GB559025A - Improved means for controlling the operations of the cooling gills of air-cooled aero-engines : en
  • US2340423A - Expansion rivet : en
  • US2340620A - Securing means : en
  • US2340616A - Float gauge : en
  • US2340629A - Flexible mounting for instruments and other apparatus : en
  • US2340651A - Container : en
  • US2340700A - Multiform envelope : en
  • US2340543A - Tractor mounted winch : en
  • US2340798A - Remote control system : en
  • USD137185S - Design for a dress : en
  • US2340468A - Boiler water conditioner and blowoff system : en
  • US2340634A - Traffic counting apparatus : en
  • DK61859C - Coffee brewing container. : da en
  • FR890250A - Method and device for the continuous distillation of crude benzene with tar : en fr
  • US2340683A - Grinding wheel dresser : en
  • CA418175A - Zinc hydrosulphite producing apparatus : en fr
  • CA418102A - Artificial leather manufacture : en fr
  • CA418220A - Oscillation transmission delay device : en fr
  • FR890239A - Automatic circuit breaker : en fr
  • CH230754A - Milling head with cutting tools with a conical-round shaft. : de en
  • CA418106A - Shoe : en fr
  • CH230776A - Rotary lobe compressors. : de en
  • CH230811A - Fire extinguishers with extinguishing agent under constant pressure. : de en
  • US2340512A - Directional compass : en
  • US2340826A - Toy silo filler : en
  • PL32522B1 - The way of embroidering patterned fabrics : en pl
  • US2340483A - Tray : en
  • US2340501A - Casting apparatus for use in machines for casting chocolate and the like : en
  • US2340774A - Wrapper : en
  • AU118038B2 - Improvements relating tothe manufacture and use of felted materials of asbestos-fibre and tarry or bituminous substances forthe coating of steel, concrete, wood andthe like : en
  • CH230750A - Process for brazing aluminum and its alloys. : de en
  • CH230736A - Device for recording exchanged work depending on the performance scale. : de en
  • US2340820A - Accelerating pump : en
  • CH230668A - Equipment, in particular for peeling boiled potatoes. : de en
  • CH230826A - Electric auxiliary drive on wagon moved by humans or draft animals. : de en
  • GB559067A - An improved alkylation process : en
  • US2340660A - Holder : en
  • CH230766A - Rapid drying device for peat. : de en
  • PL32470B1 - A method of producing mixed compressed feed : en pl
  • CA418090A - Ozone generating apparatus : en fr
  • CA418222A - Electrical image transmission : en fr
  • BE453388A - : fr
  • PL32457B1 - Method for obtaining AA / \ condensation products : en pl
  • CH230707A - Process for the production of superphosphate in granular form. : de en
  • CA418206A - Gas supply control system : en fr
  • PL32445B1 - A method for preparing dust materials, especially cement raw materials, and an apparatus for carrying out the method : en pl
  • CA418161A - Paper feeding device : en fr
  • PL32471B1 - A safety device for internal combustion engines, especially car engines, operating when the pressure of the lubricating oil is lowered and the number of : en pl
  • US2340365A - Cleaning equipment : en
  • US2340733A - Apparatus for determining the bursting strength of sheet material : en
  • CA418171A - Diamond abrasive wheel manufacture : en fr
  • CH230653A - Room stove. : de en
  • PL32430B1 - The method of producing white-enameled iron products : en pl
  • PL32456B1 - Driving device for the fan cooling the motor vehicle engine : en pl
  • US2340713A - Snap clamp : en
  • GB559026A - Improvements in or relating to the thermal conversion of hydrocarbon oils : en
  • US2340457A - Straw bruiser : en
  • US2340521A - Bottleholder : en
  • CH230701A - Process for the production of bone glue. : de en
  • CH230705A - Process for the production of a plastic blank. : de en
  • US2340529A - Method of making socket wrenches : en
  • US2340406A - Casing shoe : en
  • CA418136A - Engine pneumatic control device : en fr
  • CH230852A - Electrical system with a mechanical, periodically operated contact devices having current converter. : de en
  • DE744940C - Casting mold for the production of cylinders or similar workpieces with cast-in ribs : de en
  • FR890157A - Azeotropic training agent for water : en fr
  • FR890266A - Device for supporting catalytically active metallic fabrics : en fr
  • AU809343A - Pulse modulation system : en
  • CH230836A - Methods for protecting fur, feathers, hair, fibrous materials and the like from animal pests. : de en
  • GB559111A - Improvements in and relating to heat-sealing rubber hydrochloride surfaces : en
  • CH230757A - Method and device for electro-inductive heating of metallic workpieces. : de en
  • CH230666A - Device for automatic control of the smoke exhaust flap on boilers with automatic draft regulation. : de en fr
  • CH230799A - Single anode rectifier. : de en
  • PL32505B1 - Daimler-Benz flktiengesdlschaft, Stuttgart - Unterturkheim Mold and method of making it : en pl
  • PL32458B1 - Robert Bosch G. m. B. H., Stuttgart Riser wrench for mechanically driven screwdrivers : en pl
  • US2340326A - Apparatus for covering pipe : en
  • US2340328A - Mothproofing composition : en
  • CA418195A - Hydrocarbon alkylation : en fr
  • AU605242A - Pneumatically operable lift pump for liquids : en
  • US2340540A - Collapsible costumer : en
  • CA418239A - Sanitary receptacle : en fr
  • US2340650A - Vulcanization of rubber : en
  • CA418132A - Furnace stoker : en fr
  • CA418156A - Lawn mower : en fr
  • CH230812A - Method and device for extinguishing fires, in particular in land, water and air vehicles driven by internal combustion engines. : de en
  • US2340676A - Individual freezing cup with ice release : en
  • CH230704A - Process for producing a detergent. : de en
  • CH230794A - Procedure for tuning the inductance of the earth fault extinguishing coil of an AC transmission network with a neutral point transformer. : de en
  • USD137166S - Design for a compact : en
  • DE744203C - Method for lossless speed control of asynchronous motors with shearbush rear machine : de en
  • US2340779A - Manufacture of paving compositions : en
  • PL32491B1 - Press for gluing footwear with circulating pressing molds : en pl
  • BE453569A - : en
  • GB559066A - Improvements in or relating to apparatus for winding fabrics : en
  • DE744943C - Test device working according to the magnetic powder process : de en
  • FR890152A - Four-legged table with drawer : en fr
  • CA418203A - Laminated moulded structure forming apparatus : en fr
  • GB559081A - Improvements in and relating to electric control systems for electric valve apparatus arranged for interconnecting a supply and a load circuit : en
  • US2340465A - Automatic stopping mechanism for bottle washing machinery : en
  • GB559142A - A method of making stamping dies : en
  • CA418105A - Egg counter : en fr
  • US2340678A - Packaging machine and circular applying mechanism therefor : en
  • CH230650A - Machine for loosening earth. : de en
  • US2340486A - Milk can : en
  • FR890168A - Washing and cleaning agents : en fr
  • US2340344A - Process for forming unsaturated alcohols or esters : en
  • GB559085A - Improvements in or relating to collapsible tubular containers : en
  • GB559122A - Means for safeguarding the working of machines for breaking-up, opening or working cotton or other waste or textile material : en
  • US2340490A - Dehydration of maleic acid : en
  • GB559007A - Improvements relating to joints for hatches, doors and other like closures : en
  • FR890187A - Process for splitting carboniferous substances or for hydrogenating them under pressure : en fr
  • GB559042A - Improvements in or relating to a manufacture of pour point depressant compounds and to compositions containing such compounds : en
  • GR10220B - ALBUM PREPARATION. : el en
  • US2340579A - Electric controlling apparatus : en
  • CA418091A - Panel scarf-joint : en fr
  • US2340811A - Switching mechanism : en
  • US2340711A - Snap clamp : en
  • CA418133A - Lock : en fr
  • CA418241A - Vacuum pressure pump : en fr
  • GB558983A - Improvements in and relating to the protective surface treatment of magnesium base alloys : en
  • US2340392A - Method of making corrugated rubber mats : en
  • US2340461A - Process of producing stainless steel sheet or strip stock : en
  • US2340589A - Lock nut : en
  • CA418103A - Flame or explosion trap : en fr
  • FR890304A - : fr
  • CA418170A - Concrete floor : en fr
  • US2340668A - Relay circuit : en
  • CA418180A - Percussive tool : en fr
  • CH230767A - Bevel gear bearings. : de en
  • CH230866A - Loop antenna arrangement for omnidirectional reception with two reception frames arranged perpendicular to one another. : de en
  • PL32480B1 - Andersen A Co, Hamburg-Altona Urtadzeaie for the rapid freezing of foodstuffs : en pl
  • AU781142A - Improvements in refrigerating systems : en
  • US2340619A - Handle eye construction of tools : en
  • US2340815A - Apparatus for converting hydrocarbon oils : en
  • PL32464B1 - NKP F0i4 * W / 0 * Especially diaphragm pump, driven by compressed air, with discharged main and auxiliary spools : en pl
  • US2340487A - Scaffolding : en
  • GB559074A - Improvements in and relating to methods of and apparatus for preserving vegetable and food materials : en
  • AU811443A - Improved cutting mechanism for use inthe manufacture of tubular cartons or other articles from helically fed material : en
  • US2340379A - Suction cleaner : en
  • US2340520A - Stocking suspending device : en
  • GB559088A - Improvements in or relating to life-boats : en
  • IE16748L - Telephone systems. : en
  • USD137187S - Design for a dress : en
  • GB559017A - Improvements in or relating to electric switches of the mercury type : en
  • GB559080A - Process for halogenation of unsaturated aliphatic or alicyclic compounds : en
  • US2340428A - Gauge : en
  • US2340665A - Mechanical pencil : en
  • GB559014A - Terminal joints for electric cable with plastic sheath and jigs therefor : en
  • FR890338A - Improvements to artificial asphalt manufacturing processes : en fr
  • GB559057A - Demountable electron discharge tube : en
  • CA418211A - Glazing putty : en fr
  • CA418217A - Cathode ray tube television apparatus : en fr
  • US2340386A - Lapping tool : en
  • US2340673A - Plasticity control for brick machines : en
  • AU118037B2 - Pneumatically operable lift pump for liquids : en
  • FR890263A - Improvements to devices for producing short electric waves and, in particular, ultra short waves : en fr
  • FR890346A - Sharpener for razor blades and other blades : en fr
  • CH230859A - Process for the preparation of a benzenesulfonamide derivative. : de en
  • CA418236A - Belting : en fr
  • CH230733A - Range finder. : de en
  • US2340539A - Testing transmitter : en
  • US2340637A - Filling machine : en
  • PL32501B1 - The method of producing and processing rivets from self-hardening aluminum alloys, especially from Al-Cu-Mg alloys : en pl
  • GB559008A - Improvements in appliances for determining the score to be obtained in playing the game of darts : en
  • CH230849A - DF arrangement in which the direction-independent voltage is taken from the directional antenna system. : de en
  • CH230745A - Device for attaching a ribbon. : en fr
  • US2340496A - Electrode holder : en
  • PL32507B1 - Ringhoffer-Tatra-Werke A. G., Praga Distribution of cooling air to the engine compartment on rear-engine airline vehicles : en pl
  • PL32516B1 - : en pl
  • US2340348A - Fluorescent tube circuit : en
  • PL32468B1 - TelefunKen Gesellschaft fur drahtlose Telegraphie m. B. Hi, Berlin Radio receiver with base plate : en pl
  • CA418097A - Sled : en fr
  • CH230656A - Ventilation device on buildings. : de en
  • US2340447A - Expanding land anchor : en
  • US2340546A - Container : en
  • CA418237A - Textile fabric treating apparatus : en fr
  • USD137180S - Design for a welding electrode holder : en
  • CH230728A - Throat gauge. : de en
  • CH230792A - Short-circuit current limiter. : de en
  • CH230723A - Theater stage frame. : de en
  • PL32435B1 - Wilhelm Leyhausen, Nuremberg Ifrtk C3h'C Single- or multi-pole circuit breaker : en pl
  • FR890203A - Process allowing the incorporation of waxes or fatty substances, without solvent, in a mixture : en fr
  • CA418115A - Egg incubator : en fr
  • FR890173A - Shaving cream or other pasty product packaging and distribution system : en fr
  • AU118055B2 - Improved cutting mechanism for use inthe manufacture of tubular cartons or other articles from helically fed material : en
  • US2340810A - Material spreader : en
  • CH230823A - Sledge. : de en
  • US2340523A - Method of treating sodium chloride tails : en
  • US2340472A - Forming die : en
  • US2340788A - Child's folding seat : en
  • CA418111A - Roaster : en fr
  • CA418184A - Power take-off for air circulating means : en fr
  • US2340840A - Composition of matter : en
  • CH230796A - Converter system. : de en
  • CA418125A - Centrifugal clutch : en fr
  • CA418149A - Discharge lamp apparatus : en fr
  • CA418177A - Electrical bus system : en fr
  • AU118056B2 - Calibration of master oscillators : en
  • US2340765A - Electric battery cell : en
  • CH230718A - Perpetual calendar. : en fr
  • US2340302A - Milk strainer : en
  • CH230685A - Process for the production of a protein preparation. : de en
  • CH230820A - Advertising device with pendular moving eye-catcher. : de en
  • CA418147A - Electric switch spring mechanism : en fr
  • CA418150A - Motor control system : en fr
  • US2340542A - Electro-motor-driven vertical centrifugal machine : en
  • US2340458A - Engine crankshaft : en
  • US2340768A - Gyroscopic apparatus : en
  • CA418179A - Hydroquinone composition : en fr
  • CH230644A - Feed silo with device for discharging feed juice. : de en
  • CH230763A - Dry shaver. : de en
  • DE744938C - Rotary piston compressor with double-walled compressor blades : de en
  • US2340732A - Coupling means for tubular electrical conductors : en
  • US2340772A - Accumulating means : en
  • AU118042B2 - Improvements in and relating to starting circuits for electric discharge devices : en
  • US2340375A - Treatment of cellulose esters and ethers : en
  • CH230789A - Electrical apparatus. : de en
  • CA418126A - Centrifugal clutch : en fr
  • FR890265A - Autogenous welding device for aluminum cables : en fr
  • US2340597A - Rotary slip lifter : en
  • DK61849C - Galvanic Torque Element and Method for Manufacturing Such. : da en
  • FR890284A - Mechanical razor : en fr
  • GB559027A - Improvements in and relating to impregnated gauze : en
  • CH230783A - Cooling system. : de en
  • US2340717A - Stapling machine : en
  • GB559046A - Improvements in and relating to ships' hulls : en
  • US2340292A - Air conditioning system : en
  • US2340750A - Self-aligning pulley : en
  • US2340691A - Continuous process for forming unsaturated alcohols and esters : en
  • US2340824A - Hook bolt for railways : en
  • GB559075A - Improvements in or relating to the production of compound fabrics : en
  • US2340731A - Inductor : en
  • FR890345A - Improvements to amplifier systems with several electronic tubes : en fr
  • US2340371A - Manufacture of oxygenated organic compounds : en
  • GB559051A - An improved manufacture of motor fuels : en
  • US2340290A - Tubular bag making machine : en
  • CH230649A - Windows for operating theaters, laboratories, etc. : de en
  • DK61852C - Stacking capacitor with cooling fan and at the edge thickened single elements. : da en
  • US2340777A - Throat microphone : en
  • US2340653A - Machine for broaching bearings : en
  • GB559039A - Improvements in roller steadies for lathes or other machine tools : en
  • FR890277A - Steam or gas turbine with airfoil-like blade profiles : en fr
  • GB559128A - Improvements in and relating to universal joints : en
  • PL32475B1 - Deutsche Edelstahlwerke flktiengesellschaft, Krefeld Permanent magnet : en pl
  • FR890215A - Process for the preparation of hydroxylamine-alkali disulfonate : en fr
  • PL32465B1 - Method for the production of butadiene : en pl
  • GB559136A - Improvements in or relating to traffic line studs or blocks : en
  • CH230725A - Cartridge for automatic cannons. : de en
  • US2340442A - Automatic meter : en
  • US2340565A - Locking device for threaded pipe joints : en
  • US2340588A - Fishing device : en
  • US2340814A - Process for converting hydrocarbon oils : en
  • PL32438B1 - : en pl
  • GB559138A - Micro-filter : en
  • US2340421A - Display card holder : en
  • USD137158S - Tightening bar for an embroidery machine : en
  • US2340646A - Metal rolling : en
  • US2340726A - Quenching of metals : en
  • US2340736A - Carburetor throttle control : en
  • CH230835A - Airplane with electrically heated propellers. : de en
  • FR890171A - Method and device for the manufacture of pottery from ceramic stoneware or other plastic : en fr
  • GB559036A - Improvements in screw-cutting lathes : en
  • US2340760A - Apparatus for testing eyes : en
  • US2340378A - Cassette : en
  • USRE22428E - Wheel cover structure and assembly : en
  • GB559098A - Improvements in or relating to heaters for air, vapour or gases : en
  • CH230651A - Device for rectifying rails. : en fr
  • US2340418A - Automatic phonograph : en
  • US2340833A - Fusion process for the production of addition compounds of diaryl guanidines : en
  • GB559024A - Improvements in and relating to the manufacture of iodine compounds : en
  • CH230827A - Cooling air supply device on streamlined vehicles with a rear engine. : de en
  • PL32490B1 - The method of producing tapes and sheets for tin cans, tin packaging, etc. : en pl
  • GB558981A - Improvements in or relating to time recorder : en
  • USD137160S - Design for an apron : en
  • CH230690A - Device for supporting catalytically active metal mesh. : de en
  • CH230843A - Process for the production of a new condensation product. : de en
  • CH230661A - Sink. : de en
  • CH230672A - Varnishing process for cans. : en fr
  • US2340519A - Discharge outlet for railway cars and the like : en
  • USPP613P - x r roseplant : en
  • US2340403A - Speed and braking distance indicator : en
  • US2340738A - Turbine driven well drilling unit : en
  • US2340562A - Sound recording device : en
  • CH230828A - Motor vehicle wheel with elastic tires. : de en
  • US2340831A - Tank for lift type gas holders : en
  • FR890314A - Device for forming cans with internal unwinding : en fr
  • GB559040A - Improvements in flame-proof enclosures for electrical or other apparatus : en
  • DE744956C - Rolling line with sets of rolls arranged next to one another, especially for rolling out thin rolling stock : de en
  • AU118053B2 - Improvements in relation to concrete constructions : en
  • CH230862A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • GB559095A - Improvements in or relating to radio amplifiers : en
  • US2340592A - Dust separator : en
  • US2340536A - Packaging machine : en
  • PL32514B1 - Daimler-Benz flktiengesellschaft, Stuttgart - CJnterturkheim Fuel Injection Nozzle : en pl
  • CH230646A - Containers for seedlings. : de en
  • US2340672A - Oleoresin treatment : en
  • CA418215A - Electric signal pulse controlling circuit : en fr
  • CA418168A - Magnesium product from brines : en fr
  • CH230676A - Process for the production of a crease-resistant men’s suit fabric entirely from rayon and fabrics produced from it. : de en
  • CH230747A - Centrifugal casting process for pouring or pouring objects. : de en
  • CH230821A - Hate. : de en
  • US2340305A - Process for breaking petroleum emulsions : en
  • CH230801A - Electric resistance furnace. : de en
  • PL32441B1 - Wytze Beye Smits, Kassel - Wilhelmshohe Low Voltage Spark Plug : en pl
  • PL32455B1 - A method of producing alkaline earth metal vapor in closed discharge lamps from a metal bank : en pl
  • PL32474B1 - Fides Gesellschaft fur die Verwaltung und Verwertung von gewerblichen Schutzrechten mit beschrankter Haftung, Berlin Telecommunications cable with at least two adjacent twisted in the same direction but with different twist jumps in the layers of groups of veins, especially for multi-carrier operation : en pl
  • US2340347A - Vacuum cleaner : en
  • US2340758A - Extraction of coffee : en
  • US2340806A - Sound recording apparatus : en
  • FR890166A - Wood gas generator or similar : en fr
  • FR890235A - Communications transmission system : en fr
  • PL32504B1 - The method of producing ceramic products : en pl
  • US2340557A - Conversion of hydrocarbons : en
  • PL32499B1 - mkp RGHc 7, Messerschmitt fl. G., Augsburg Nut with attached collar for construction : en pl
  • US2340574A - Bobbin for lockstitch sewing machines : en
  • US2340755A - Machine for removing casings from sausages and the like : en
  • US2340404A - Shoe tree : en
  • FR890329A - Asphalt-based, hydrophobic synthetic product with a flexible metal frame : en fr
  • CH230665A - Screw cap closure on the stoke opening of gas generators, in particular for vehicles. : de en
  • CH230864A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • US2340430A - Circulating liquid heater : en
  • FR890249A - Ball socket joint for pipes : en fr
  • US2340618A - Cigarette receptacle : en
  • AU807843A - Improved apparatus for grading fruit and other objects : en
  • US2340497A - Agricultural implement : en
  • US2340621A - Power supply system : en
  • AU118040B2 - Improvements in or relating tothe manufacture of paints enamels andthe like : en
  • CA418182A - Refrigerator car : en fr
  • CH230694A - Process for the production of polyglycol ethers. : de en
  • US2340555A - Telephone system : en
  • PL32469B1 - Richard Vorwerk, Berlin Device for electric welding of current-carrying conductors to the polar contacts of electrodes of galvanic cells and a welding device with such an device : en pl
  • US2340601A - Outdoor furnace : en
  • CA418129A - Valve assembly : en fr
  • FR890169A - Device for drying grass and other green fodder, fitted with a helical drying tube : en fr
  • FR890254A - Advanced Camera Frame : en fr
  • AU641642A - Improvements relating tothe manufacture and use of felted materials of asbestos-fibre and tarry or bituminous substances forthe coating of steel, concrete, wood andthe like : en
  • AU807343A - Improved process for refining crude waxes : en
  • CH230773A - Ring slide with a piston. : de en
  • US2340551A - Cushion unit for furniture : en
  • US2340843A - Piezoelectric apparatus and method : en
  • CA418229A - Hydraulic power transmission system : en fr
  • CA418204A - Gas flow detecting, recording and indicating means : en fr
  • CH230738A - Current measuring circuit. : de en
  • CH230759A - Process for the production of seamless hollow bodies, in particular tubes, from film-forming materials. : de en
  • PL32442B1 - Fernmeldetechnische Staatswerke — FSW— *), Warschau Radionami system : en pl
  • US2340837A - Piezo crystal testing device : en
  • US2340436A - Level winder : en
  • US2340669A - Dynamoelectric machine : en
  • US2340680A - Electric welding : en
  • US2340761A - Anchorage for electric service conductors : en
  • US2340484A - Trap : en
  • US2340533A - Mining machine : en
  • US2340575A - Apparatus for timing watches : en
  • BE453741A - : en fr
  • CA418190A - Alkylated hydrocarbon preparation : en fr
  • US2340834A - Treatment of vinylidene chloride : en
  • GB559041A - An improved manufacture of substituted including halogenated meta-dioxanes : en
  • CA418092A - Wheel anti-spin device : en fr
  • US2340363A - Control for focal spot in X-ray generators : en
  • US2340368A - Automatic clutch : en
  • US2340823A - Electrical outlet box : en
  • US2340730A - Modulated carrier wave receiver : en
  • PL32434B1 - Steering device for trailers of motor vehicles : en pl
  • US2340441A - Automatic parking meter : en
  • USD137174S - Design for a game board : en
  • US2340729A - Apparatus for and method of feeding molten glass : en
  • PL32429B1 - A method of producing iron powder cores : en pl
  • US2340548A - Safety device for machine tools using photoelectric tubes : en
  • US2340644A - Solid dielectric : en
  • DK61848C - Coupling and Discharge Tube for Amplification of High Frequency Electrical Oscillations. : da en
  • FR890330A - Satellite and gear shifting : en fr
  • GB559064A - Improvements in or relating to respirators : en
  • CH230719A - Snowshoe stringing device. : en fr
  • GB559035A - Improvements relating to filtering apparatus for extracting dust and like foreign bodies from air and gas streams : en
  • CH230675A - Step device for looms. : de en
  • FR890325A - Process for improving the strength properties of magnesia cement : en fr
  • US2340394A - Shipping case : en
  • FR890202A - New fuel for supplying gasifiers : en fr
  • US2340818A - Car coupler : en
  • GB559001A - An improved apparatus for controlling the ph value of liquids : en
  • FR890191A - Adjustable expander for engine pistons : en fr
  • DE744933C - Device for extracting an alternating voltage that is almost constant in terms of size and phase from a network with strongly fluctuating voltage : de en
  • DE744923C - Process for the production of fire and corrosion-stressed pipes with teardrop profile : de en
  • GB559034A - Improvements in means for controlling the fuel and air supply to furnaces : en
  • GB558990A - Improvements in or relating to the production of dried sheet material and to drying rolls therefor : en
  • FR890222A - Mechanical mixer assembly : en fr
  • GB559112A - Improvements in or relating to circuits for synchronising electric motors : en
  • FR890262A - Compressed air brake system with double valve for motor vehicles with trailers : en fr
  • FR890271A - Covered wagon loading and unloading device : en fr
  • FR890317A - Process for preparing alcohols of the acetylenic series : en fr
  • GB559016A - Improvements in or relating to telephone or like systems : en
  • US2340518A - Cross rolling mill : en
  • FR890336A - Process for manufacturing condensation products : en fr
  • FR890257A - Steels for hot-working tools, which are subjected to the action of hot parts : en fr
  • GB559063A - Improvements relating to vehicle steering mechanisms : en
  • US2340608A - Sinker for fishing lines : en
  • US2340287A - Furnace construction : en
  • US2340289A - Furnace construction : en
  • USD137172S - Bluemink electric motor : en
  • US2340415A - Centrifugal clutch : en
  • DK61858C - Procedure for the preparation of crystalline glycosides of laxatives active as laxatives. : da en
  • US2340346A - Apparatus for recovering metal from ore : en
  • US2340630A - Fluid dispensing device : en
  • FR890229A - Device for rotary converters or static converters operating with periodically actuated contacts : en fr
  • GB559052A - Improvements in methods of hermetically closing jars and similar containers : en
  • FR890255A - riveting nut with cap and threaded ring, especially for aircraft construction : en fr
  • FR890253A - Plate frame for roll film cameras : en fr
  • DK61855C - Coupling with Discharge Pipe, which has a Secondary Emission Electrode for Amplification of the Anode Current. : da en
  • US2340514A - Means and method of producing painted designs : en
  • US2340599A - Teletypewriter exchange system : en
  • US2340437A - Suction cleaner : en
  • US2340459A - Method of making tubes : en
  • US2340661A - Process of vulcanizing rubber and product obtained thereby : en
  • US2340320A - Garment support : en
  • US2340825A - Centrifuge : en
  • USD137170S - Design tor a countersink : en
  • US2340564A - Motion picture camera : en
  • US2340757A - Isocyanates and related substances and process for their manufacture : en
  • DK61846C - Process for the Preparation of Dual Compounds of Pyridine-β-Carboxylic Acid Diethylamide and Sulfanilamide or its Derivatives. : da en
  • GB559004A - Improvements relating to x-ray generators : en
  • AU118046B2 - Improvements in or relating to governing gear for engines andother machines : en
  • FR890307A - Cassette lock : en fr
  • GB559094A - Improvements in and relating to the provision of ceilings or linings to roofs or walls in building constructions : en
  • US2340460A - Tube : en
  • CH230838A - Clamps for window and door locks. : de en
  • CA418207A - Welding flux dispensing apparatus : en fr
  • US2340358A - Process for treating fabrics : en
  • US2340429A - Amplitude modulation limiter circuit : en
  • US2340802A - Cutting apparatus : en
  • PL32487B1 - Fides Gesellschaft fur die Verwaltung und Verwertung von gewerblichen Schutzrechten mit beschrankter Haftung, Berlin : en pl
  • CH230677A - Circular braiding machine for the production of endless braids by braiding an endless core thread. : de en
  • CH230709A - Process for the production of high-gloss galvanized headlight mirrors with mirror layers made of steel. : de en
  • USD137184S - Design for a precision instrument case : en
  • US2340293A - Gas cylinder unit for guns : en
  • US2340304A - Blasting explosive : en
  • PL32486B1 - Telefunken Gesellschaft fur drahtlose Tdegraphie m. B. H., Berlin-Zehlendorf Gas-absorbent body : en pl
  • GB559011A - Improvements in flame-proof electric switchgear : en
  • GB559084A - Improvements in collapsible boxes : en
  • DK61862C - Procedure for Pretreatment of Vegetables and Fruit for Cold Storage. : da en
  • USD137190S - Design for a dress : en
  • US2340413A - Method for production of coumarone-indene type resins : en
  • FR890162A - Expanding agent for the manufacture of sponge rubber : en fr
  • US2340385A - Lapping tool : en
  • US2340464A - Brake : en
  • CA418096A - Spectacles : en fr
  • GB559032A - Stamping machine for rolled material : en
  • DE744922C - Rolling mill for reducing pipes : de en
  • US2340706A - Threaded pipe end : en
  • US2340398A - Chemical manufacture : en
  • FR890214A - Process for the impregnation of fibrous materials : en fr
  • FR890221A - Improvements to dough rollers : en fr
  • DE744929C - Step resistance designed for controlling electric vehicle drive motors and similar electric motors : de en
  • FR52323E - : fr
  • CH230655A - Boiler system with sawdust firing. : de en
  • CH230659A - Process for the production of a product with a vesicular structure. : de en
  • FR890219A - Closing cap for iron drum : en fr
  • CA418162A - Electrical insulating material : en fr
  • US2340303A - Magnetic separator : en
  • US2340604A - Sound signal apparatus : en
  • FR890237A - Fuel for generators : en fr
  • FR890285A - Fuel briquette : en fr
  • US2340308A - Process for breaking petroleum emulsions : en
  • US2340578A - Shoe : en
  • DK61853C - Oxide cathode for electric discharge tubes and method for its manufacture. : da en
  • GB559127A - Improvements in and relating to life preservers of the jacket or vest type : en
  • GB559018A - Improvements in or relating to electrical chokes : en
  • US2340625A - Dispensing device : en
  • FR890332A - Method for increasing the strength of die-cast materials formed from artificial resins : en fr
  • FR890341A - Brake adjusting device, in particular for chain brakes for automobiles : en fr
  • US2340600A - Hydrocarbon conversion : en
  • FR890160A - Solvents, swellers, gelatinizers, softeners and plasticizers for high molecular weight compounds : en fr
  • GB559082A - Improvements in or relating to fastening devices for railway rails : en
  • US2340306A - Process for breaking petroleum emulsions : en
  • US2340609A - Apparatus for determining displacements : en
  • FR890243A - Process for preparing compositions suitable as catalysts and adsorbents : en fr
  • FR890297A - Mounting for reactive admittance controlled according to the slope : en fr
  • GB559134A - Improvements in and relating to magnetic suspensions : en
  • IE16544L - Extracting fats and oils : en
  • FR890225A - Automatic cane maker : en fr
  • US2340804A - Telegraph printer : en
  • US2340425A - Spinal anesthetic solution : en
  • US2340709A - Propeller structure : en
  • FR890339A - Firing device for receding tube guns : en fr
  • AU628842A - A substantially noiseless cartridge : en
  • US2340698A - Catalytic cracking : en
  • GB559070A - Improvements in or relating to optical projection systems : en
  • US2340376A - Frequency reducing system : en
  • PL32496B1 - Distribution device for feeding and spreading slurry masses, e.g. pulp, on a flat surface, e.g. on a matrix : en pl
  • BE453414A - Backpack sprayer : en fr
  • CA418238A - Pinking machine : en fr
  • US2340845A - Convertible chair and couch : en
  • US2340391A - Buttonhole sewing machine : en
  • PL32478B1 - Paul Gramatzki, Boizenburg n / Laba Compensation suspension for off-road vehicle : en pl
  • US2340330A - Holder for glass jars : en
  • US2340553A - Abrasive cutoff machine : en
  • PL32502B1 - A way of hijacking resin and fat from trees containing resin : en pl
  • US2340357A - Process for treating fabrics : en
  • US2340585A - Acid treating of distillates : en
  • US2340808A - Extrusion nozzle wire guide : en
  • CH230825A - Electric auxiliary drive on wagon moved by humans or draft animals. : de en
  • GB559108A - Improvements in or relating to fuel supply systems for internal-combustion engines : en
  • US2340724A - Quenching of metals : en
  • US2340828A - Outer sole for shoes : en
  • USRE22432E - Electrical control apparatus : en
  • DE744921C - Process for the production of lactic acid by fermentation : de en
  • US2340405A - Photoflash synchronizing mechanism for cameras : en
  • SU63129A1 - The method of melting magnesium chips : en ru
  • US2340499A - Disk valve connection : en
  • US2340695A - Explosive cartridge : en
  • DE744924C - Method and device for fulling and washing woven and non-woven fabrics : de en
  • CA418104A - Scupper valve : en fr
  • FR890313A - Auto-threading auxiliary wire guide for cross winders : en fr
  • CA418094A - Clamp for drill rods or casings : en fr
  • CA418173A - Milling cutter : en fr
  • FR890220A - Board game : en fr
  • CA418183A - Refrigerator : en fr
  • US2340584A - Azo sulphonamide compounds and method of producing the same : en
  • US2340431A - Boiler : en
  • US2340559A - Multiple-color electric sign : en
  • US2340841A - Condiment shaker : en
  • CA418189A - Antiknock motor fuel hydrocarbon manufacture : en fr
  • CH230834A - Propeller drive, especially for an unusually high reduction ratio between the engine and the propeller. : de en
  • CH230768A - Rolling role in roller bearings. : de en
  • US2340524A - Automatic control for aircraft and the like : en
  • US2340689A - Process for forming alcohols : en
  • CH230682A - Process for making a flour additive. : de en
  • GB559077A - Liquid contact electric circuit actuators operated by immersion : en
  • GB559089A - Improvements in and relating to the preparation of compounds of iron suitable for therapeutic injection : en
  • CH230833A - Device for the hydraulic adjustment of the blades of propellers, especially those for propelling ships. : de en
  • CH230760A - Grinding spindle with attached grinding tool, especially for fine drawing grinding. : de en
  • CA418200A - Pulley mount : en fr
  • CH230793A - Automatic switching device with protection device against impermissible overloading of the switching device. : de en
  • USD137181S - Benzel tail wheel unit for airplanes : en
  • US2340393A - Automatic tuning mechanism : en
  • USD137177S - Combination picture exhibiting stand and ash tray : en
  • FR890331A - Method and device for cleaning bast stems free of woody parts by combing, in particular flax stems or straw : en fr
  • CA418117A - Textile material and rubber separating apparatus : en fr
  • PL32495B1 - Telefunken Gesellschaft fur drahtlose Telegraphie m. B. H „Berlin Braun lamp with implosion shield : en pl
  • US2340715A - Dental equipment assemblage : en
  • US2340742A - Space discharge apparatus and circuit : en
  • CA418120A - Fastening means : en fr
  • CA418174A - Ceramic insulator : en fr
  • CA418198A - Well drilling method : en fr
  • CH230844A - Process for the preparation of a diazo compound of 1-aminoaryl-5-pyrazolone-4-sulfonic acid. : de en
  • CH230742A - Projector. : de en
  • US2340714A - Method and apparatus for sound analysis : en
  • FR890233A - Enhancements to Single Sideband Modulated Transmitters : en fr
  • PL32451B1 - The method of obtaining compounds of glycic acid with pyrazolone or pyrazolone derivatives : en pl
  • PL32454B1 - Method for the production of nitrogen-containing fluoranthene condensation products : en pl
  • CH230674A - Dishwasher. : de en
  • US2340340A - Winding machine : en
  • US2340677A - Regulating device for watches : en
  • CH230764A - Dismountable safety razor with a permanent blade with a single cutting edge and with pliers closure. : de en
  • US2340409A - Chain hoist : en
  • US2340545A - Panel and corner fastener : en
  • US2340334A - Turret construction : en
  • PL32503B1 - A method of manufacturing shoe soles from a rigid material : en pl
  • US2340687A - Process of forming alcohols : en
  • US2340704A - Lubricating device : en
  • US2340317A - Facsimile recorder : en
  • US2340627A - Foundation garment of the corset type : en
  • CA418227A - Cloth cleaner for sifters : en fr
  • PL32439B1 - Siemens & Halske Aktiengesellschaft, Berlin - Siemensstadt Telecommunication cable without metal sheath for portable telecommunication devices : en pl
  • US2340694A - Electric control circuit : en
  • US2340752A - Electrical control apparatus : en
  • CH230716A - Method and device for measuring brightness, in particular for photographic purposes. : de en
  • US2340433A - Plastic material dispenser : en
  • US2340479A - Pump feed oilcan : en
  • US2340563A - Grain heading machine : en
  • CH230698A - Process for the production of coatings and for the filling of unevenness and depressions on objects and coating produced by this process. : de en
  • GB559129A - Current collectors or shoes for trolley-pole heads of electrically driven vehicles : en
  • CH230803A - Device consisting of two separate holders for holding an apparatus to be fed with electrical energy, in particular an electrical discharge tube. : de en
  • US2340427A - Centrifugal impeller for aircraft and other uses : en
  • US2340748A - harrison : en
  • US2340753A - Nonrefillable box : en
  • BE453613A - Improvements made to articles such as rubber bands or belts, more particularly to conveyor belts : en fr
  • US2340401A - Tear testing apparatus for rubber stock : en
  • US2340614A - Machine for operating upon shoes : en
  • US2340419A - Closure : en
  • US2340582A - Shoe and method of manufacture : en
  • US2340741A - Accounting machine : en
  • CA418093A - Pipe coupling : en fr
  • CH230713A - Printing machine for sheet-fed printing. : de en
  • FR890259A - Remote control installation : en fr
  • US2340473A - Container : en
  • US2340476A - Light polarizing medium : en
  • GB559115A - Improved taper-ended bobbins or spools of thread or the like : en
  • US2340300A - Adjustable link assembly : en
  • US2340771A - Gold compounds of the cinchona alkaloids and their derivatives and method of manufacturing same : en
  • US2340498A - Piston : en
  • PL32520B1 - A method of producing products containing all the content of potatoes in their original or enhanced form : en pl
  • US2340722A - Vehicle glare shield and operating means therefor : en
  • US2340432A - Phase modulation receiver : en
  • US2340477A - Tap and die holder : en
  • US2340654A - Manufacture of detergents and related compositions : en
  • US2340734A - Safety pilot burner : en
  • CA418202A - Coreless induction heater : en fr
  • US2340342A - Typographical casting machine : en
  • US2340781A - Magnetic bearing : en
  • GB559059A - Improvements relating to commutators for dynamo electric machines : en
  • GB559101A - Improvements in means for delivering liquids in measured quantities : en
  • GB559102A - Improvements in or connected with apparatus for brewing tea and other beverages : en
  • DK61854C - Procedure for electrophoretic application of coatings in certain places of metal parts. : da en
  • DK61856C - Procedure for greasing textile fabric by spinning or tearing. : da en
  • FR890155A - Dry spinning process for aqueous albumin solutions : en fr
  • FR890348A - Non-slip fitting for shoe soles, especially for mountain boots : en fr
  • US2340325A - Pipe coating apparatus : en
  • US2340449A - Stabilized bituminous emulsion : en
  • GB559054A - A resilient product adapted to serve as a substitute for rubber, and method of making same : en
  • FR890293A - Improvements made to carbon arc lamps : en fr
  • US2340577A - Yarn treatment : en
  • GB559013A - Improvements relating to packing rings : en
  • FR890218A - Machine transmission : en fr
  • FR890260A - Process for manufacturing metallic objects, such as ornaments, table utensils and others : en fr
  • GB559123A - Improvements in or relating to friction clutches : en
  • FR890251A - Adjustable choke device : en fr
  • GB558988A - Improvements in making materials with vitamin a activity : en
  • US2340351A - Portable drill : en
  • US2340598A - Engine head removing tool : en
  • FR890232A - Tractor and trailer vehicle : en fr
  • FR890200A - Automatic machine intended for the manufacture of all molded cardboard objects : en fr
  • FR890208A - Improvements to free-piston compressors : en fr
  • FR890274A - Device for remote control of photographic film movement : en fr
  • US2340590A - Telegraphy transmitter : en
  • US2340631A - Secondary electron amplifier : en
  • US2340716A - Basic sodium zinc chromate pigment : en
  • US2340803A - Telegraph printer : en
  • US2340813A - Electric wave transmission system : en
  • FR890231A - Galvanizing process and products used in this process : en fr
  • GB559073A - Improvements in or relating to boots and shoes : en
  • US2340648A - Mine car wheel and axle assembly : en
  • PL32462B1 - A method for spreading fertilizers and the like, especially on higher ground, and a device for applying this method. : en pl
  • FR890180A - Washing, cleaning, wetting, emulsifying and dispersing products and process for preparing these products : en fr
  • GB559140A - A photographic camera having an improved view finder system : en
  • GB559103A - Improvements in or relating to telephone or like contact plugs and their manufacture : en
  • US2340377A - Process of making artificial fibers : en
  • FR890176A - Resistance thermometer : en fr
  • FR890290A - Plasticizers : en fr
  • FR890312A - Counter for roll film camera : en fr
  • GB559118A - Improvements relating to the purification of crude zirconium compounds or ores : en
  • PL32473B1 - Russ-Elektroofen Kommanditgesellschaft, Cologne Low frequency induction furnace : en pl
  • USD137179S - Design for a surgical spotlight : en
  • CA418213A - Electromagnetic coil : en fr
  • FR890280A - Derailleur device for cycles or other similar vehicles : en fr
  • CA418148A - Fluorescent lamp operating means : en fr
  • CH230654A - Secondary air supply device on central heating boilers. : de en
  • US2340791A - Electric power control circuit : en
  • PL32476B1 - Method for the production of pure zinc compounds : en pl
  • US2340509A - Conveyer drive for loading machines : en
  • CH230787A - Electric motor, in particular for installation in hand drills in turret shape. : de en
  • US2340417A - Noiseless propeller : en
  • PL32515B1 - : en pl
  • US2340594A - Electron discharge device : en
  • US2340333A - Harmonica : en
  • US2340310A - Desk lamp : en
  • US2340697A - Electrically wound clock : en
  • USD137168S - Knife and scissors grindbr guide plate : en
  • US2340782A - Method of and apparatus for forming hollow glassware : en
  • DE744935C - Phase meter : de en
  • GB559000A - Improvements in and relating to enrobers or chocolate coating machines and the like : en
  • FR890327A - Manufacturing process for linear superpolycondensation products : en fr
  • GB558987A - Improvements relating to processes for the production of oxy-benzyl-mono-alcohols by condensation of phenols with formaldehyde : en
  • GB559015A - Improvements in or relating to the production of amidine salts : en
  • FR890204A - Improvements to gasifier installations : en fr
  • FR890179A - Injection pump for internal combustion engines : en fr
  • PL32498B1 - fiskania — Werke flktiengesellschaft, Berlin —Friedenau Electric regulating device : en pl
  • US2340367A - Stair rail bracket hanger : en
  • US2340655A - Clutch mechanism : en
  • US2340478A - Coin controlled switch : en
  • FR52331E - : fr
  • FR890311A - Manufacturing process of compressed wadding objects retaining their shape : en fr
  • FR890224A - Independent operating stationary winding machine : en fr
  • GB558999A - An improved interval meter and indicator therefor : en
  • CH230669A - Container with swing-out compartments. : de en
  • CH230830A - Device for parking cycles. : en fr
  • US2340426A - Coffee plastic process : en
  • US2340507A - Viscosimeter : en
  • PL32436B1 - : en pl
  • US2340807A - Glass handling machine : en
  • US2340471A - Fluid stripper for pump pistons : en
  • US2340617A - Phase-inverter circuit : en
  • US2340550A - Lock for stitch adjusting mechanisms : en
  • US2340685A - Control apparatus : en
  • USRE22429E - Valve : en
  • US2340692A - Vulcanizing device : en
  • CA418140A - Welded pressure vessel : en fr
  • US2340649A - Game : en
  • US2340570A - Louver ventilator : en
  • US2340576A - Telegraph system : en
  • US2340710A - Light conditioning device for use with electric lighting ceiling fixtures : en
  • US2340770A - Seismic recording system : en
  • FR890289A - Polymerization process : en fr
  • US2340622A - Exposure control for photographic cameras : en
  • US2340642A - Electrode assembly : en
  • CH230819A - Multi-stage amplifier with negative feedback. : de en
  • US2340296A - Teat cup inflation : en
  • US2340444A - Pipe clamp : en
  • US2340817A - Fluid pressure servomotor : en
  • US2340510A - Bag sealing mechanism : en
  • DE744937C - Production of pure white zinc white from zinc lye containing magnesium and calcium : de en
  • US2340793A - Device for practicing and teaching the correct swinging of golf clubs : en
  • USRE22431E - Frozen food locker unit : en
  • FR890196A - Stamping die : en fr
  • PL32433B1 - Siemens & Halske flktiengesellschaft, Berlin —Siemensstadt Connection system for switching the receiver after the repeater : en pl
  • PL32497B1 - Muth & Co., Nuremberg. Levels for a permanent mercury switch : en pl
  • US2340327A - Moistening mechanism for duplicating machines : en
  • US2340337A - Perishable mark for quick-frozen foods : en
  • US2340372A - Calculating machine : en
  • US2340707A - Shop engine stand revolving means : en
  • US2340402A - Character bearing holder : en
  • CA418099A - Curtain suspending means : en fr
  • FR890333A - Safety device for reel controls : en fr
  • US2340407A - Electron multiplier apparatus : en
  • CH230688A - Process for the preparation of water-in-oil emulsions. : de en
  • US2340508A - Manufacture of connectors having forked ends : en
  • AU719642A - Improvements in or relating tothe manufacture of paints enamels andthe like : en
  • US2340664A - Knitted fabric : en
  • US2340822A - Electrical connecting socket and plug : en
  • US2340424A - Automatic safety vacuum lock : en
  • US2340454A - Milking machine : en
  • USD137165S - Design for a finger ring : en
  • GB559005A - Improvements in and relating to television transmission : en
  • DK61861C - Record Selecting Magasing Gramophone. : da en
  • FR890315A - Process for impregnating fibrous masses : en fr
  • FR890349A - Simplified processing of old rubber : en fr
  • FR890164A - Zipper closure : en fr
  • US2340684A - Cinematographic film exposure : en
  • DK61863C - Procedure for the production of relief forms. : da en
  • FR890195A - Improvements to the sets of directed antennas : en fr
  • CA418234A - Light structure element : en fr
  • US2340603A - Shoe : en
  • US2340773A - Electric igniting apparatus : en
  • USD137164S - Design for a merchandise display fixture : en
  • CA418121A - Vaccine injector : en fr
  • DK61860C - Apparatus for sound recording and reproduction by means of sound carriers mounted on coil sets. : da en
  • US2340516A - Headlight reflector : en
  • US2340613A - Salt purification : en
  • USD137195S - Design fob a dress : en
  • PL32450B1 - fljax Electric Company, Inc., Philadelphia, Pennsylvania Electric salt bath furnace : en pl
  • US2340504A - Abrasive : en
  • US2340569A - Fish bait : en
  • US2340805A - Finger stop : en
  • PL32511B1 - Ringhoffer-Tatra-Werkefi. G., Prague Rear engine mounting in vehicles with airborne car body reduced drag : en pl
  • FR890181A - Cabinet or box for electrical apparatus, more particularly for receiving apparatus of t. s. f. : en fr
  • PL32508B1 - Ringhoffer-Tatra-Werke fl. G., Prague Cooling unit for the rear engine in vehicles with a streamlined body : en pl
  • US2340552A - Riveting apparatus : en
  • AU118041B2 - Improvements in vibratory screening mechanism : en
  • AU118057B2 - Improved method forthe production of compressed wood impregnated with thermoplastic or thermosetting material : en
  • CH230664A - Combustion system. : de en
  • PL32510B1 - Ringhoffer-Tatra-Werke A. G., Prague Embedding of the radiator in the car body which puts air in it, reduced resistance : en pl
  • FR890350A - Anti-icer and its mounting method : en fr
  • CH230695A - Method and apparatus for the continuous distillation of hydrated tars. : en fr
  • US2340285A - Signal controlling fusee : en
  • US2340307A - Process for breaking petroleum emulsions : en
  • US2340452A - Composition for use as adhesive : en
  • US2340682A - Electric contact element : en
  • CA418114A - Ski waxing method : en fr
  • SU63128A1 - Device for adjusting the extraction of dressing in dressing troughs : en ru
  • US2340763A - Photographic composition and process : en
  • CH230683A - Process for the production of baked goods with the help of yeast fermentation. : de en
  • US2340838A - Resinous composition : en
  • US2340587A - Automobile straightening apparatus : en
  • AU810643A - An improved remedy for rheumatic and muscular pains : en
  • CA418108A - Sheet friction stream feeder : en fr
  • CH230724A - Device with shooting cup for firing caseless cartridges. : de en
  • US2340382A - Frequency reducing system : en
  • US2340389A - Burner : en
  • US2340336A - Filling machine : en
  • USD137192S - Design fob a dress : en
  • PL32432B1 - fillgemeine Elektricitats-Gesellschaft, Berlin Intermediate annealed cathode of multiple lamps : en pl
  • US2340395A - Pressure responsive indicating instrument : en
  • US2340787A - Means for balancing rotary pumps : en
  • CA418134A - Lock : en fr
  • CH230681A - Welding blade carrier. : de en
  • CH230771A - Clamp. : de en
  • US2340775A - Empty carton rejector : en
  • US2340362A - Window construction for X-ray tubes : en
  • CH230671A - Electrically heated apparatus for generating hot water and steam and for making coffee, tea and the like. : de en
  • CH230720A - Device for tensioning ski tips. : de en
  • DE744950C - Device for cleaning workpieces, e.g. B. coils, by means of flushing fluid : de en
  • GB558997A - Improvements in and relating to fireplaces and the like : en
  • US2340719A - Combined tag and sample holder : en
  • GB559139A - Improved method of producing and controlling relief on screw thread taps and the like rotatable cutting tools : en
  • US2340502A - Horn control system : en
  • USD137189S - Design fob a dress ensemble : en
  • US2340370A - Fire extinguishing blanket : en
  • CA418160A - Liquid flow characteristic measuring apparatus : en fr
  • PL32512B1 - Device for supplying cooling air to single-series rear engines in vehicles with a body with fair lines : en pl
  • CA418166A - Self-energizing brake unit : en fr
  • CH230689A - Process for the production of moldings from saline masses. : de en
  • US2340786A - Extensible pintle hook trailer coupling : en
  • CA418218A - Thermionic valve voltmeter and potentiometer circuit : en fr
  • CH230749A - Additional metal for welding aluminum alloys. : de en
  • CH230847A - Process for preparing a solution of at least one polyvinyl derivative. : en fr
  • CH230710A - Process for the production of coatings on objects made of aluminum or aluminum alloys. : de en
  • US2340767A - Honing tool : en
  • US2340643A - Process and apparatus for decorating articles of manufacture : en
  • GB559116A - Improvements in or relating to electrical meters for measuring horse-power transmitted through a shaft : en
  • CH230662A - Changeover cock. : de en
  • CH230734A - Resistance thermometer. : de en
  • CH230816A - Sound screen in radio receivers. : de en
  • FR890223A - Method for establishing the hermetic passage of wires through large diameter glass plates : en fr
  • US2340369A - Butter measure : en
  • US2340522A - Stranded plug-type signal bond : en
  • BE453643A - Household cabinet for pharmaceuticals : en fr
  • CA418185A - Refrigerator car : en fr
  • US2340491A - Typewriting machine : en
  • US2340541A - Electric can opener : en
  • US2340480A - Force feed oilcan : en
  • USD137191S - Design for a dress : en
  • US2340591A - Stiffening portions of the uppers of shoes : en
  • US2340321A - Rubber conversion product and method of making same : en
  • US2340485A - Process of producing stencils : en
  • FR890167A - Process for the manufacture of thermobimetals : en fr
  • FR890270A - Manufacturing process of filters acting in depth, for suspended matter : en fr
  • US2340311A - Catamenial tampon : en
  • US2340535A - Building material : en
  • US2340547A - Safety device for machine tools : en
  • FR890189A - Process for preparing dichlorinated hydrocarbons : en fr
  • CH230729A - Angle device. : de en
  • US2340789A - Collapsible or folding seat for young children : en
  • US2340626A - Garment : en
  • US2340438A - Oxidation-stable grease composition : en
  • CH230832A - Braking device with variable translation in the brake linkage. : de en
  • PL32448B1 - Disconnecting insulator for electric rail overhead lines : en pl
  • US2340381A - Collapsible cloth roller : en
  • US2340390A - Dusting tool kit for suction cleaners : en
  • CH230658A - Press mold for the production of hollow blocks. : de en
  • CH230857A - Process for the preparation of a benzenesulfonamide derivative. : de en
  • GB558993A - An improved process of ore concentration : en
  • DE744944C - Device for the non-destructive examination of materials or finished or semi-finished products with X-rays : de en
  • CH230743A - Anchor wheel. : en fr
  • CH230752A - Installation comprising a high production machine tool. : en fr
  • CA418142A - Fuel burner control system : en fr
  • AU118050B2 - An improved remedy for rheumatic and muscular pains : en
  • CH230842A - Process for the production of a new condensation product. : de en
  • US2340352A - Radio circuit : en
  • CA418188A - Printing telegraph apparatus : en fr
  • AU813043A - Improved method forthe production of compressed wood impregnated with thermoplastic or thermosetting material : en
  • US2340797A - Magnetic sheet conveyer : en
  • US2340315A - Assembly for clutches, brakes, and the like : en
  • US2340556A - Cosmetic stick holder : en
  • US2340766A - Traveling basket : en
  • US2340759A - Double pipe chiller : en
  • US2340776A - Topical epithelial anesthetic : en
  • CH230739A - Electrical system with tariff switching. : de en
  • BE453462A - : en fr
  • CH230806A - Electric cautery. : de en
  • USD137159S - Design for a combination shelf and drying rack : en
  • US2340537A - Coupling for lined pipe : en
  • CA418205A - Metal body conditioning apparatus : en fr
  • CH230778A - Circulation control spool on piston machines. : de en
  • CA418107A - Sheet friction stream feeder : en fr
  • US2340572A - Clamp and supporting bar for drills : en
  • CA418216A - Electron discharge device : en fr
  • CA418144A - Lens blank and lap mounting : en fr
  • CA418226A - Relay circuit control system : en fr
  • CA418181A - Heat exchange apparatus : en fr
  • CH230770A - Manhole door facility. : de en
  • US2340506A - Manufacture of nonmetallic electrical resistance materials : en
  • US2340681A - Collapsible tube holding and dispensing means : en
  • US2340291A - Stator insulating machine : en
  • CA418131A - Metal container : en fr
  • GB559056A - Improvements in controlling electro-mechanical gears : en
  • FR890154A - Process for increasing the dry spinning ability of aqueous albumin solutions : en fr
  • FR890286A - Process for coagulating viscose in dry spinning while at the same time regenerating the reagents used : en fr
  • GB559009A - Improvements connected with safeguarding mechanism for the cylinder stripping doors of carding engines : en
  • US2340314A - Seismic surveying : en
  • US2340341A - Container vacuumizing and closing apparatus : en
  • CA418225A - Television synchronizing system : en fr
  • CH230775A - Device for the transformation of a rectilinear reciprocating movement into a rotary movement or vice versa. : en fr
  • USD137188S - Design for a dress : en
  • CA418214A - Cathode ray tube : en fr
  • CH230856A - Process for the preparation of a benzenesulfonamide derivative. : de en
  • PL32477B1 - Mktiengesellschaft Brown, Boveri & Cj £, Baden Gas turbine for continuous pressure : en pl
  • US2340739A - Vapor phase catalytic oxidation : en
  • US2340663A - Eyeglasses : en
  • US2340688A - Process of forming alcohols : en
  • US2340832A - Spotting board : en
  • AU118052B2 - A substantially noiseless cartridge : en
  • CH230841A - Process for the production of a new condensation product. : de en
  • US2340605A - Protective device : en
  • BE453535A - Process for the preparation of condensation products : en fr
  • CA418163A - Electrical insulating material : en fr
  • FR890212A - Device for fixing the suspended arc guide sleeve to the anode inlet insulator of a mutator : en fr
  • US2340705A - Automatic machine gun charger : en
  • US2340474A - Hydraulic mechanism : en
  • USD137175S - Design for a pin-up ornament : en
  • AU775742A - Improved draught means forthe sieves of agricultural harvesting and cleaning machines : en
  • FR890211A - A process for producing cast iron in a blast furnace in the presence of oxygen : en fr
  • CH230692A - Process and installation for the production of carbon by catalytic decomposition of carbon monoxide. : en fr
  • PL32521B1 - Method for the preparation of linear polyamides from nitrile compounds, suitable for difunctional amide condensation : en pl
  • CH230756A - Method and device for annealing metal parts. : de en
  • US2340448A - Applying terminals to wire segments : en
  • US2340470A - Door fastener : en
  • US2340778A - Process for producing olefins and motor fuel : en
  • CA418193A - Hydrocarbon processing : en fr
  • CA418212A - Fluid transfer apparatus : en fr
  • US2340638A - Water heater : en
  • CH230678A - Preparations for the manufacture of solutions for bleaching cotton and cotton goods. : de en
  • US2340388A - Steroid compounds and a process of producing the same : en
  • US2340412A - Manufacture of motor fuels : en
  • PL32482B1 - A method of decomposing images by means of cathode rays and an apparatus for decomposing images in this way : en pl
  • BE453721A - Combi burner for heating metallurgical or other melting furnaces : en fr
  • CH230805A - Protective device for welders. : de en
  • CH230813A - Circuit arrangement with a selector in telecommunications systems, in particular telephone systems. : de en
  • US2340639A - Feeding and serving mechanism : en
  • FR890276A - Protective device against punctures and allowing the use of very worn tires : en fr
  • US2340286A - Tank filler unit : en
  • US2340469A - Glazing unit : en
  • US2340847A - Tar product : en
  • CH230814A - Device for frequency modulation of electrical high frequency oscillations. : de en
  • US2340463A - Combined shoe rack and tree : en
  • US2340794A - Collapsible tubing : en
  • US2340800A - Record controlled perforating apparatus : en
  • US2340439A - Concrete form clamp : en
  • US2340511A - Method of removing trash from paper pulping machines : en
  • PL32467B1 - Atlas-Werke Aktiengesellschaft, Bremen Piszczalka for the generation of vocal vibrations at a specific frequency : en pl
  • US2340455A - Lubricating apparatus : en
  • US2340836A - Method of package wrapping and sealing : en
  • US2340581A - cooper : en
  • US2340636A - Container : en
  • US2340780A - Refrigeration apparatus : en
  • CH230746A - Waterproof watch box. : en fr
  • CH230824A - Steerable sledge. : de en
  • CH230755A - Machine for pulling or broaching. : de en
  • CH230717A - Pen holder. : de en
  • CH230700A - Process for manufacturing a mastic and product obtained. : en fr
  • US2340343A - Process for forming alcohols or esters : en
  • US2340790A - Child's folding seat : en
  • US2340762A - Vanity drawer for chiffoniers and the like : en
  • USD137176S - Design tor a rolling cigarette case : en
  • CH230860A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • GB559104A - Improvements in or relating to typographical slug casting machines : en
  • GB559120A - Improvements in or relating to extrusion machines : en
  • USD137182S - Design for a picture frame : en
  • BE453556A - : en nl
  • CH230643A - Device for cleaning fruit, potatoes and the like. : de en
  • US2340397A - Heat exchanger : en
  • CH230784A - Process for the production of a glass bead that connects the heating wire and the soldering point of the thermocouple of a thermal converter in an insulating manner. : de en
  • CA418235A - Laminated fabric : en fr
  • GB559119A - Combined cutting and loading machines for mining : en
  • GB559133A - Blowers, pumps or the like : en
  • CH230818A - Device with a high frequency coil of variable inductance. : de en
  • CH230795A - Electrical arcing device with burn-off eyelet. : de en
  • US2340743A - Repeating stop mechanism : en
  • US2340764A - Lifting device : en
  • DE744947C - Sum punch for tabulating machines : de en
  • CA418186A - Cellulosic material : en fr
  • CA418098A - Visible margin file : en fr
  • US2340331A - Lubrication : en
  • US2340679A - Apparatus for welding seams of metal drums : en
  • PL32513B1 - : en pl
  • US2340633A - Apparatus for dehydrating vegetable materials : en
  • US2340652A - Manufacture of polyamide structures : en
  • US2340848A - Apparatus for treating impure liquids : en
  • GB559130A - Improvements relating to handles for door fastenings, window operating mechanisms and like purposes : en
  • FR890198A - Automatic brake switch for asynchronous motors : en fr
  • FR890335A - Process for manufacturing carbon blades cut from a cylindrical or conical carbon body : en fr
  • DK61850C - Switch connected at the Inlet of Water, especially for electrical alarm systems. : da en
  • US2340324A - Octant time and altitude correlating device : en
  • CH230648A - Tetragonal construction rounded at the corners. : en it
  • FR890272A - Boot tire : en fr
  • GB559078A - Improvements in or relating to thermionic valve amplifying circuits : en
  • DE744949C - Axially disengageable tooth coupling for shafts : de en
  • FR890206A - Coupling between bogies in vehicles such as electric locomotives in particular : en fr
  • GB558992A - Hydraulic clutch transmission mechanism : en
  • FR890299A - Mounting increasing the selectivity of protective equipment : en fr
  • FR890241A - Improvements to plate heat exchangers for the treatment of liquids, mainly milk : en fr
  • FR890298A - Equipment to facilitate the starting of compressors driven by an electric motor : en fr
  • GB559010A - Improvements relating to apparatus for controlling power transmission systems : en
  • FR890242A - Process for splitting gas mixtures by low temperature refrigeration : en fr
  • CH230790A - Low-pollution ceramic long rod insulator. : de en
  • CH230867A - Vehicle tires. : de en
  • PL32518B1 - A method for producing the continuous thinnest glass threads and an apparatus for carrying out the method : en pl
  • FR890323A - Boring bit : en fr
  • FR890184A - Composite fabric for all uses, in particular for industrial gas filtration : en fr
  • FR890344A - Furnace arrangement for drying and carbonizing materials, in particular wood and the like : en fr
  • FR890302A - Support for circularly movable contacts, in particular shaft for circular selector of polyphase step transformers : en fr
  • US2340659A - Precious stone : en
  • US2340799A - Electronic discharge device : en
  • FR890326A - High inert matter molding powder and method of manufacture : en fr
  • GB559083A - Improvements relating to fluid dispensing mechanisms : en
  • CA418152A - Steam iron : en fr
  • US2340299A - Land torpedo : en
  • CH230699A - Compound which can be used for the production of temperature-resistant, bituminous protective coatings. : de en
  • US2340657A - Spreading unit : en
  • US2340827A - Multibreak switching device : en
  • US2340674A - Ice cube tray : en
  • US2340769A - Time recorder : en
  • US2340835A - Packaging apparatus : en
  • USD137196S - Design fob a dress : en
  • US2340656A - Process for the production of partial color selection pictures out of subtractive multicolor images : en
  • GB559048A - Improvements relating to synchronous electric remote controls : en
  • US2340693A - Ice cube release device : en
  • CA418123A - Drilling jig : en fr
  • US2340615A - Snap action device : en
  • GB558996A - Radial slitting attachment for hairspring collets : en
  • PL32431B1 - I. G. Farbenindustrie flktiengesellschaft, Frankfurt n. M. Mixture of synthetic tannins : en pl
  • US2340549A - Composite drive shaft : en
  • GB559093A - Improvements relating to metal vapour electric discharge lamps : en
  • FR890186A - Bimetal trip unit : en fr
  • FR890256A - Steel for perforating tools lined with hard metal and for tools subjected to similar forces : en fr
  • US2340366A - Signaling system : en
  • US2340500A - Anode structure : en
  • CH230863A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • FR890172A - Multi-part wear sleeves for pneumatic and water conveyor tubes : en fr
  • CH230686A - Device for obtaining a dry preparation from a liquid containing its components. : de en
  • GB559132A - Improvements in or relating to apparatus for spraying growing crops : en
  • GB559068A - Improvements in the colouring of vitreous fibres or of fabrics produced therefrom : en
  • GB559097A - Improvements in or relating to means for use in signalling a fall or fall and rise in temperature : en
  • US2340792A - Automatic safety control for moving-picture machines : en
  • US2340531A - Automatic weighing machine : en
  • US2340735A - Tool feeding mechanism : en
  • US2340488A - Mower : en
  • FR890269A - Improvements made to time switches : en fr
  • GB559060A - Improvements relating to the construction of girders, beams and stanchions and portable structures made therefrom : en
  • GB558995A - Tire building apparatus : en
  • DE744926C - Process for the production of magnesium oxide : de en
  • US2340517A - Cross rolling mill : en
  • GB559091A - Light-excluding ventilator : en
  • PL32449B1 - A method of frying pig iron or ferrous alloys containing carbon, and a rotary kiln for carrying out this method : en pl
  • US2340632A - Shoe manufacture : en
  • CA418221A - Aerial system : en fr
  • CH230687A - Filter device containing bag filters. : de en
  • DK61864C - Airtight plate closure for containers with cross-section wedge-shaped inner groove. : da en
  • FR890334A - Cooling device for motor cars with rear engine and water cooling : en fr
  • US2340532A - Veneer lathe : en
  • US2340839A - Railway passenger car : en
  • PL32437B1 - C. Lorenz Aktiengesellschaft, Berlin - Tempelhof. Electron tube The patent depends on the patent no. 25581 : en pl
  • CH230697A - Process for the production of phthalocyanines. : de en
  • USD137169S - Design for a toy tommy gun : en
  • PL32463B1 - The method of fixing the protruding plug pins, provided with rounded rings, in the pre-drilled holes in the pedestals of the radio tubes, and the device for fixing the protruding plug pins in this way : en pl
  • AU777342A - Improved method and apparatus for use inthe annealing of metals : en
  • GB559124A - Improvements relating to writing tablets : en
  • CH230680A - Process for the destruction of harmful agents in clothing, leather, etc. : en fr
  • FR890295A - Improvements to boilers : en fr
  • GB558994A - Improvements in or relating to moulded blocks, slabs, tiles or the like made of concrete or artificial stone : en
  • FR890213A - Solid fuel carbonization process : en fr
  • FR890268A - Substitute for sandalwood species : en fr
  • US2340335A - Buffer : en
  • USRE22430E - Fluid blast circuit breaker : en
  • PL32517B1 - The company Huhn & Janik, Berlin - Charlottenburg c A / O> | A stove for heating : en pl
  • CA418176A - Welding jig : en fr
  • USD137162S - Design for a bookend : en
  • US2340635A - Registering means for automatic reclosing circuit breaker systems : en
  • US2340475A - Joint construction : en
  • US2340746A - Clamp for fuses, relays, etc. : en
  • CH230800A - Electric furnace for the production of condensable products. : en fr
  • CH230807A - Method for separating mixtures of pituitary hormones. : de en
  • CH230712A - Pigment transfer machine. : de en
  • US2340356A - Direction indicator switch : en
  • US2340456A - Attrition mill : en
  • US2340611A - Yarn production : en
  • US2340492A - Cutting teeth for well drills : en
  • US2340383A - Lapping tool : en
  • US2340568A - Container : en
  • FR890163A - Blade carbon collector with different resistance zones : en fr
  • FR890174A - Control for the feeding device of strip rolling mills : en fr
  • FR890245A - Device usable as heater, cooler, dryer, etc., improved : en fr
  • FR890282A - Oscillating crystal differential filter bridge : en fr
  • DE744918C - Impact tool : de en
  • CA418119A - Wood cutting machine : en fr
  • US2340493A - Method of casting metal ingots and apparatus therefor : en
  • US2340294A - Cyclic alcohol and process of preparing : en
  • US2340400A - Anode : en
  • GB558980A - Improvements in invalids' bedsteads : en
  • DE744917C - Hydraulic three-point support for outrigger vehicles, such as excavators, spreaders, etc. like : de en
  • CH230726A - Through-loading device on automatic firearms. : de en
  • CH230810A - Method of conservation. : de en
  • US2340723A - Ice cream can hold-down unit : en
  • GB559019A - Improvements in stapling and cutting mechanism : en
  • CA418155A - Chuck or drills, etc. : en fr
  • FR890190A - Process for keeping forage green : en fr
  • FR890322A - Improvements to neutralized amplifying triodes : en fr
  • GB559079A - Improved method of and apparatus for filling bottles and like containers with carbonated liquids : en
  • US2340640A - Process of increasing the service life of asphalt : en
  • CH230708A - Multi-chamber sewage treatment plant. : de en
  • CH230715A - Process for making photographic images. : de en
  • DE736040C - Brake circuit for asynchronous motors : de en
  • CA418138A - Fluid pressure remote control system : en fr
  • CA418191A - Hydrocarbon conversion : en fr
  • CH230748A - Process for soft soldering. : de en
  • US2340744A - Can packing machine : en
  • USD137161S - Design fob a bookend : en
  • CA418128A - Valve : en fr
  • PL32489B1 - Patentverwertungs — Gesellschaft mit beschrankter Haftung ,, Hermes4 *, Berlin Small-sized circuit breaker with contact extinguisher chamber : en pl
  • CA418167A - Boring machine : en fr
  • CA418233A - Textile fabric : en fr
  • US2340288A - Wheel : en
  • FR890159A - Process for preparing unsaturated nitriles, in particular of the acrylic series, from the corresponding amides : en fr
  • FR890201A - : fr
  • GB558982A - Improvements relating to machines for forming machine elements such as gears : en
  • US2340795A - Magnesium alloy : en
  • US2340309A - Curved wall welded connection : en
  • GB559012A - Improvements in or relating to ice eliminating systems : en
  • GB559107A - Improvements in radiators for cooling liquids and for heating rooms : en
  • GB559131A - Improvements in or relating to the sealing of tins and like containers : en
  • GB559087A - Improvements relating to heaters for aircraft : en
  • GR10218B - METHOD OF ELECTRICAL WELDING VERTICALLY OR ALMOST VERTICALLY TANGING SHEETS. : el en
  • FR890279A - Improvement in devices for the automatic separation of magnetic products contained in iron ores, industrial residues, etc. : en fr
  • GB559003A - Manufacturing of water-proofing and binding material from coal tar : en
  • GB559114A - Improvements in and relating to control devices for refrigerating apparatus : en
  • FR890188A - infill elements for columns : en fr
  • FR890247A - Motor cycle : en fr
  • USD137167S - Design for a doll ob similar article : en
  • BE453440R - : fr
  • CH230848A - Measuring caliber for measuring bores in metal parts. : de en
  • AU118049B2 - Cane harvesting machine : en
  • PL32453B1 - : en pl
  • PL32446B1 - A method of cleaning various types of fiber : en pl
  • US2340602A - Crankshaft grinding machine : en
  • US2340329A - Smoke torch : en
  • CA418224A - Electron image amplifier : en fr
  • US2340467A - Tie rod joint assembly : en
  • US2340754A - Closure fastener for containers : en
  • GB559021A - Improvements in or relating to electron multiplier circuits : en
  • AU118044B2 - Improved draught means forthe sieves of agricultural harvesting and cleaning machines : en
  • BE453492A - PROCESS FOR IMPROVING COLLAGEN-BASED PRODUCTS : en fr
  • CA418100A - Curtain heading tape : en fr
  • US2340670A - Method of assembling anode structures : en
  • CA418178A - Motor vehicle : en fr
  • FR890248A - Improvements to devices intended to close or interrupt an electrical contact current : en fr
  • GB559110A - Portable electric hand tool : en
  • AU118048B2 - Improved apparatus for grading fruit and other objects : en
  • BE453681A - : en
  • CH230751A - Height-adjustable tailstock. : de en
  • US2340318A - Process of fractionating mixtures of bacterial origin : en
  • US2340373A - Plant pack : en
  • US2340658A - Sound recording apparatus : en
  • US2340720A - Pulp beater and selector : en
  • PL32460B1 - Inz. Konrad Lisowski, Lviv Sound and heat insulating block : en pl
  • US2340558A - Autosled : en
  • CA418153A - Dentifrice : en fr
  • CA418196A - Hydrocarbon alkylation : en fr
  • CH230817A - Method for frequency modulation of vibrations of very high frequency. : de en
  • PL32452B1 - Method for separating high-quality lubricating oils from mineral oils, e.g., crude oils, oil residues, or from other low-quality oils : en pl
  • SE109643C1 - : en
  • US2340503A - Disengageable connection : en
  • US2340525A - Pump : en
  • US2340737A - Electric iron with pilot light : en
  • CH230730A - Drilling jig. : de en
  • CH230781A - Coolant delivery device for free-flight piston machines. : de en
  • CH230791A - Device for extinguishing the electric arc. : de en
  • US2340623A - Combination view and range finder : en
  • CA418209A - Metal body desurfacing apparatus : en fr
  • US2340561A - Spoon dispenser : en
  • CH230679A - Process for the production of a new condensation product. : de en
  • CH230753A - Control mechanism for automatic or semi-automatic machine tool holders. : en fr
  • FR890236A - Magnetic amplifier : en fr
  • US2340384A - Lapping tool : en
  • PL32485B1 - : en pl
  • US2340416A - Power control for punch presses and the like : en
  • CA418169A - Metallic magnesium manufacture : en fr
  • CA418130A - Pipe end brazing or welding method : en fr
  • CA418113A - Highway shoulder grader : en fr
  • CH230670A - Curtain closing device. : en fr
  • AU711142A - Improvements in relation to concrete constructions : en
  • CH230785A - Procedure for increasing the control range of three-phase control cascades. : de en
  • US2340446A - Aileron control : en
  • US2340527A - Candle for candle lamps : en
  • CH230647A - Spray head for liquid sprayer. : en fr
  • CH230855A - Process for the preparation of a benzenesulfonamide derivative. : de en
  • CA418223A - Sun-screen : en fr
  • CH230786A - Single-phase asynchronous motor. : de en
  • GB559117A - Improvements relating to the purification of crude zirconium compounds or ores : en
  • CA418192A - Hydrocarbon processing : en fr
  • GB558989A - Improvements in and relating to reciprocating engines, air compressors and the like : en
  • GB559058A - Improvements in or relating to elastic fluid turbines : en
  • GB559090A - Improvements in dashpots : en
  • FR890177A - Improvements to the catalytic pyrolysis of resinous products : en fr
  • PL32519B1 - Kraft method for obtaining cellulose, suitable for the production of viscose, from cellulosic materials containing pentosans, e.g. straw : en pl
  • CA418159A - Anchored flexible coupling : en fr
  • CH230822A - Device to prevent overloading on a cable-operated conveyor system. : de en
  • GB559137A - A new or improved detergent or cleansing agent : en
  • CA418118A - Nut tapping device : en fr
  • GB559023A - Improvements in vehicle wheels : en
  • FR890261A - Printing process on textile products : en fr
  • US2340312A - Motor construction : en
  • FR890306A - Carbon collector comprising a body of compressed material : en fr
  • CA418135A - Temperature recording apparatus : en fr
  • US2340297A - Milking apparatus : en
  • US2340380A - Lapping tool : en
  • US2340544A - Instrument for indicating the rate of temperature or pressure change : en
  • US2340316A - Elastic attachment for vise jaws : en
  • US2340322A - Coating composition : en
  • CA418187A - Printing telegraph apparatus : en fr
  • CH230737A - Counter arrangement. : de en
  • CA418116A - Light projection apparatus : en fr
  • US2340298A - Primer : en
  • CH230711A - Letter. : de en
  • CA418164A - Hydrocarbon aromatizing method : en fr
  • US2340350A - Mechanism for use in computing apparatus : en
  • GR10223B - GRAMMOPHONE DISC. : el en
  • CA418240A - Air refrigerating and circulating apparatus : en fr
  • US2340495A - Plow : en
  • FR890303A - Amplifier for automatic aircraft altitude control : en fr
  • GB559076A - Improvements in or relating to soap making : en
  • CA418201A - Weighing scale : en fr
  • US2340435A - Windshield wiper blade : en
  • DE744955C - Process for the preparation of a wood sugar solution obtained by means of concentrated hydrochloric acid for yeast production : de en
  • GB559006A - Improvements in and relating to inspection lamps : en
  • GB559028A - Curable thermo-plastic material : en
  • GB559096A - Improvements in suspenders or supports for wearing apparel and clips therefor : en
  • PL32509B1 - : en pl
  • GB558986A - Improvements in production of chromium compounds : en
  • PL32500B1 - Deutsche Waffen-undMunitionsfabriken Aktiengesellschaft, Berlin-Charlottenburg Pressure and temperature control valve : en pl
  • US2340641A - Hydrogen ion meter : en
  • CA418199A - Liquid level determining apparatus : en fr
  • AU789843A - Improvements in or relating to governing gear for engines andother machines : en
  • DE744925C - Device for ozonizing and disinfecting air : de en
  • US2340361A - X-ray generator : en
  • CH230693A - Process for the preparation of 2-carbethoxy-3-keto-4-isopropyl-tetrahydrothiophene. : de en
  • FR890161A - Electrically controlled, automatically operated starting device for gear changes, especially for automobiles : en fr
  • DE744866C - Device for braking rotatably mounted bodies, in particular supply rolls on paper processing machines : de en
  • US2340450A - Method of repairing machine tools and slide construction therefor : en
  • GB559062A - Improvements in indicating systems for electrical signals : en
  • AU759642A - Improvements in and relating to starting circuits for electric discharge devices : en
  • DE744934C - Wattmetric energy direction relay for selective protection devices : de en
  • PL32444B1 - A method of producing hardenable plastics : en pl
  • FR890318A - High voltage direct current power transmission device : en fr
  • US2340699A - Synthetic rubber composition : en
  • US2340560A - Flexible pipe clamp : en
  • US2340338A - Coating composition : en
  • FR890347A - Process for extracting radium or mesothorium from concentrates or ores containing either of these elements : en fr
  • PL32472B1 - Compagnie Generale d'Electro-Ceramique, Paris. Ceramic material drive shaft subjected to twisting and electric tension, intended for high voltage apparatus and its manufacture : en pl
  • US2340675A - Freezing tray with ice release : en
  • US2340453A - Charge forming apparatus : en
  • US2340667A - Junction box : en
  • GB559029A - Improvements relating to mechanism for operating vehicle windows and the like : en
  • FR890300A - Control by scanning finger for copying machine : en fr
  • FR890264A - Method and apparatus for the continuous production of monomolecular layers and for carrying out chemical conversions with layers of this kind : en fr
  • GB559092A - Improvements in or relating to flushing cisterns : en
  • CH230850A - Device for checking the position of the sound source in stereo transmission. : de en
  • PL32523B1 - Process for the preparation of nitrogen-containing water-soluble condensation products : en pl
  • US2340284A - Ammunition : en
  • US2340420A - Mechanism for reversing necktie forms : en
  • GB559020A - Improvements in or relating to polystyrene moulding compositions : en
  • PL32443B1 - A method of flushing gases or vapors from raw gases, the carrier gases of which are insoluble or sparingly soluble in the washing liquids : en pl
  • GB559109A - Improvements in means for combining eddy current clutches with electric motors : en
  • FR890238A - Improvements to nipples, bottle closures and similar components : en fr
  • FR890199A - : fr
  • US2340728A - Method of sizing paper : en
  • ES8966U - Pocket football classifier. (Machine-translation by Google Translate, not legally binding) : en es
  • FR890292A - Friction clutch alternately engaged on two shafts and with central play take-up, in particular for motor vehicles : en fr
  • FR890321A - Diamond antenna : en fr
  • FR890183A - Device for compressing artificial material in the form of dust or gravel : en fr
  • FR890193A - Machine for printing addresses individually, manually or mechanically operated : en fr
  • GB559072A - A method of making stamping dies : en
  • FR890192A - Apparatus for taking samples from mixtures of liquids of different densities : en fr
  • US2340686A - Apparatus for oxidizing reactions : en
  • GB558998A - Improvements in or relating to stoppers for bottles and other containers : en
  • DE744919C - Nutrient liquid for the production of yeast : de en
  • GB559033A - Improvements in or relating to electric underwater welding : en
  • FR890320A - Device for diverting acid vapors in pickling plants : en fr
  • GB559022A - Improvements in or relating to measuring machines : en
  • FR890310A - Friction blade with radial slots from the inside and the outside for electromagnetic clutches : en fr
  • FR890283A - Ball mill : en fr
  • GB559045A - Improvements in and relating to apparatus for the extraction of oils, fats and wax : en
  • US2340349A - Internally hardened structure : en
  • GB559121A - Improvements relating to electric signalling systems : en
  • CH230673A - Process for the production of threads from viscose in spinning funnels. : de en
  • CH230808A - Process for the production of crystallizable irradiation products from ergosterol. : de en
  • GR10221B - GEOGRAPHICAL MAPS WITH IMAGES. : el en
  • CH230772A - Ball valve. : de en
  • AU118060B2 - Improvements in refrigerating systems : en
  • FR890158A - Process for removing foundry shell plasters containing silicates : en fr
  • FR890185A - Optical compensation device for film devices with short illumination : en fr
  • FR890234A - Improvements to retorts, particularly applicable to high concentration sulfuric acid installations : en fr
  • FR890281A - Advanced microscopes : en fr
  • GB559030A - Improvements relating to show-cases, stock-cases and the like for use in shops, and to other cases and receptacles : en
  • IE17268L - Electric furnaces for glass, etc. : en
  • US2340319A - Method of and means for increasing the efficiency of lithographic and analogous printing presses : en
  • GB559071A - Improvements in and relating to the protective surface treatment of magnesium base alloys : en
  • FR890209A - Advanced gasifier : en fr
  • US2340451A - Garter purse : en
  • FR890207A - Light sources particularly intended for catoptric systems and lighting apparatus incorporating such sources : en fr
  • US2340624A - Film winding device for cameras : en
  • US2340408A - Refrigeration : en
  • CH230839A - Process for the production of crimped staple fibers from viscose. : de en
  • GB559061A - A cleat for fixing electric conductors and the like : en
  • GB559065A - Improvements in or relating to optical image projection systems : en
  • CA418146A - Vehicle cab : en fr
  • GB558984A - Improvements in or relating to the control of the catalyst-oil ratio in the catalytic cracking of hydrocarbon oils : en
  • CA418124A - Baster roaster : en fr
  • CH230761A - Mechanism allowing fine or rapid adjustment of the position of a movable member. : de en fr
  • CH230809A - A process for preparing formamidine N, N'-di- (para-aminophenyl) -sulfonyl-disulfide. : en fr
  • CA418154A - Roofing felt : en fr
  • CH230798A - Isolating transformer arrangement for apparatus under high voltage, in particular high voltage converters. : de en
  • CH230721A - Ski binding. : de en
  • GB559069A - Improvements in a fastening device for scaffolding : en
  • CA418172A - Steel shave-milling method : en fr
  • PL32440B1 - Juliusz Briesemeister, Warschau Pad for socks or stockings : en pl
  • CH230774A - Liquid valve with noise dampening. : de en
  • USD137186S - Design for a dress : en
  • US2340440A - Suction cleaner : en
  • US2340295A - Teat cup inflation : en
  • AU738742A - Improvements in vibratory screening mechanism : en
  • CA418145A - Engine starter drive : en fr
  • CH230788A - Carbon commutator for electrical machines. : de en
  • US2340606A - Control means for dictation machines : en
  • CH230861A - Process for the preparation of a new benzenesulfonamide derivative. : de en
  • USD137194S - Design fob a dress : en
  • US2340812A - Apparatus for handling glass articles : en
  • FR890244A - Method of color control in the reproduction of subtractive polychrome films provided with a keyframe : en fr
  • FR890324A - Device for adjusting the elastic tension of torsion bars for the suspension of motor vehicles : en fr
  • GR10219B - METHOD OF ELECTRICAL WELDING VERTICALLY OR ALMOST VERTICALLY TANGING SHEETS. : el en
  • FR890340A - Adjustable crank control : en fr
  • GB559038A - Improvements in and relating to rigid overhead tracks in suspension systems for cars, aircraft or the like : en
  • US2340332A - Brassiere : en
  • US2340740A - Torque gauge : en
  • SU63031A1 - A device for excavating the bottomhole well and removing it from the well : en ru
  • CH230663A - Cassette lock. : de en
  • US2340339A - Vehicle control mechanism : en
  • US2340489A - Bypass valve : en
  • US2340846A - Wax emulsion : en
  • US2340819A - Duplicating machine : en
  • GB559002A - Improvements relating to the links of ammunition belts for automatic guns : en
  • US2340583A - Dirt scraper : en
  • US2340701A - Esters of alcohols of the acetylene : en
  • FR890252A - Product in polymerized synthetic resin on a fibrous support : en fr