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