• US2277773A - Cardboard box : en
  • US2277849A - Electrical control system : en
  • CA403860A - Variable velocity ratio gearing : en fr
  • US2277901A - Telephone system : en
  • CH220358A - Capsule microphone. : de en
  • CH220184A - Thread guide switching device on a bag winder. : de en
  • BE444541A - Process for making carboxylated acids by catalytic oxidation of ketones : en fr
  • CH220388A - Bicycle parking facility. : de en
  • US2278205A - Incubator : en
  • CA403869A - Dyestuff for textiles : en fr
  • US2277727A - Convertible tandem bicycle : en
  • US2277781A - Process of making and recovering tetraalkyl lead : en
  • US2277952A - Preparation of mineral-coating composition : en
  • US2278324A - Coupling : en
  • US2277910A - Lighter : en
  • US2278281A - Poultry feeder : en
  • CA403765A - Extreme pressure lubricant : en fr
  • CH220140A - Drift bed box with windows that allow ventilation and covering. : de en
  • CA403810A - Fastener locking slider : en fr
  • US2278077A - Interlocking lath : en
  • PL30445B1 - Maurice Francois Alexandre Julien, Paris Hf / ^ o and Jean Felix Paulsen, Yiroflay Flexible suspension system for aircraft internal combustion engines or similar engines Patent dependent on patent no. 26 399 : en pl
  • US2277714A - Sampler : en
  • US2277856A - Means for automatically inserting items of printed matter into packages : en
  • USD131886S - Design fob a pin clip : en
  • US2277705A - Refractory composition and method of making the same : en
  • US2277805A - Wetting and detergent agent : en
  • US2278256A - Electric discharge lamp circuit : en
  • DE719381C - Device for releasing locked axles on rail vehicles : de en
  • US2277998A - Control valve : en
  • BE443197A - : en
  • US2278354A - Floor rack for refrigerator cars : en
  • CH220260A - Watch. : en fr
  • CH220271A - Tool for driving fasteners. : de en
  • USD131857S - Design for a brooch pin oe similar article : en
  • DE719234C - Cinematographic display device with optical compensation for image migration : de en
  • DE719161C - Valveless pump with annular working space and flexible inner wall : de en
  • CA403753A - Locomotive : en fr
  • CH220342A - Process for the preparation of dihydroergotamine. : de en
  • US2278154A - Knitted fabric and method : en
  • DK59616C - Device for generator gas-powered Motor Vehicles. : da en
  • DE719243C - Control device for combustion electric vehicles : de en
  • ES144080A1 - A procedure for obtaining condensation products of formaldehyde. : en es
  • ES144081A1 - A procedure for obtaining condensation products of formaldehyde. : en es
  • GB544264A - Improvements relating to electric spark gaps : en
  • ES8982U - Telephone subscriber devices. (Machine-translation by Google Translate, not legally binding) : en es
  • GB544170A - Improvements in and relating to carbon pile electric regulators : en
  • BE443556A - : en fr
  • CH220159A - Process for the production of veined or spotted artificial marble slabs and apparatus for carrying out this process. : de en
  • FR870902A - Device for adjusting the start of injection of the injection pump in internal combustion engines : en fr
  • US2278196A - Tape feeding apparatus : en
  • GB544213A - Improvements in or relating to finish-cutting of metal surfaces : en
  • CA403829A - Hydrocarbon distillate sweetening process : en fr
  • CH220224A - Binder. : de en
  • US2277821A - Method of preparing hydroxyalkyloxyalkyl cyanamides : en
  • US2278283A - Adjustable brush and brush handle : en
  • USD131827S - Design for a stuffed toy or similar article : en
  • US2277825A - Typographical matrix : en
  • US2278072A - Electrical resistance device and method of manufacture thereof : en
  • US2278145A - Indicating mechanism for liquid dispensing apparatus : en
  • DE719192C - Arrangement for voltage regulation of synchronous machines with the help of a rectifier : de en
  • GB544145A - Improvements relating to the electric control of point operating mechanisms for railways and the like : en
  • US2277717A - Folding box : en
  • CA403780A - Hemicyanide dye : en fr
  • US2277760A - Flowmeter : en
  • GB544150A - Improvements in the protection of naval and other ships from the danger of mines and torpedoes : en
  • US2278321A - Method of making cast metal ingots : en
  • DE719127C - Braking device, especially for trailers : de en
  • US2278367A - Film rewind for picture projectors : en
  • US2277659A - Friction drive : en
  • US2278102A - Tool for handling rails and the like : en
  • DK59607C - Electrical Coupling Device by a Wind-Powered Asynchronous Generator. : da en
  • US2277681A - Pressure measuring instrument : en
  • US2277902A - Actuator : en
  • DE719358C - Retractable aircraft landing gear : de en
  • US2277710A - System for producing shoes and analogous articles : en
  • US2277816A - Chucking means : en
  • CH220442A - Safety device, in particular small circuit breaker or fuse plug, with screw contact. : de en
  • US2277904A - Swinging target toy : en
  • DE719333C - Device for twisting the ends of wires : de en
  • CA403761A - Artificial limb : en fr
  • US2278173A - Flashlight camera : en
  • US2278188A - Method of and apparatus for delivering sheets : en
  • GB544220A - Improvements in drop-dispensing bottles : en
  • PL30447B1 - : en pl
  • US2277680A - Insecticide : en
  • US2277778A - Process for producing salts : en
  • CA403875A - Large plate manufacture : en fr
  • US2278006A - Automatic gang lift for cultivators : en
  • US2278010A - Typewriting machine : en
  • CH220240A - Toy litter plane. : de en
  • CH220243A - Safety device for percussion rocket. : en fr
  • CH220291A - Spark plug. : de en
  • FR870942A - Mufflers for internal combustion engines : en fr
  • DE719275C - Electrical coupling device on automatic car couplings : de en
  • GB544265A - An implement for locking together screw threaded members : en
  • US2278204A - Apparatus for producing a gas atmosphere : en
  • US2278329A - Scraper : en
  • USD131799S - Design for a dress : en
  • USD131803S - Design for a dress : en
  • DE719288C - Process for the extraction of heavily sloping wear layers in open-cast mining : de en
  • DE719112C - Electron tubes with anode forming part of the tube wall : de en
  • FR871003A - Switching device for remote measurement reception system : en fr
  • US2277918A - Golf tee : en
  • US2278164A - Process for breaking petroleum emulsions : en
  • FR870999A - Process for the preparation of 1-amino-3-chlorc-anthraquinone and products obtained by this process : en fr
  • FR870981A - Electromagnetic device for recording on phonographic discs, which can also be used for their reproduction : en fr
  • FR870969A - Device for mounting the joints of the dolls legs : en fr
  • GB544268A - Facsimile signal inverter : en
  • FR870996A - Antenna device for electrical altimetry on aircraft : en fr
  • GB544248A - Improvements in or relating to moulded hollow blocks for building purposes and machines for manufacturing such blocks : en
  • CH220185A - Knotter for tying thread ends together. : de en
  • CH220212A - Process for stabilizing acrolein or its homologues. : de en
  • GB544186A - Improvements in or relating to the separation of pregnenolone esters : en
  • FR871004A - Tube for packaging pasty materials or the like : en fr
  • AU79141A - Improvements relating to vibrating screens : en
  • CH221354A - Pouring mouth for high temperature melting furnaces. : en it
  • US2277983A - Acoustical apparatus : en
  • USD131795S - Design for a lace : en
  • PL30411B1 - : en pl
  • US2277796A - Knitting machine : en
  • US2278150A - Electric seed planter : en
  • ES148913A2 - IMPROVEMENTS IN THE MECHANISM FOR ELECTROMAGNETICALLY INJECTING FUEL INTO SUPERCHARGED AVIATION ENGINES : en es
  • GB544227A - Improvements in aircraft pressure cabins : en
  • USRE22056E - Picker check for looms : en
  • US2278336A - Clamp : en
  • DK59618C - Pin for Door Handle. : da en
  • US2278203A - Intermittent recorder for angle measurement : en
  • US2277938A - Process for reforming and polymerizing hydrocarbons : en
  • US2278225A - Fluid cooler : en
  • PL30458B1 - : en pl
  • US2277822A - Valve mechanism : en
  • US2277979A - Bearing seal : en
  • US2277885A - Securing device : en
  • USD131805S - Combination building and observation tower : en
  • FR871002A - Articulated wooden sole for shoes : en fr
  • CH220146A - Method and device for the production of covering panels. : de en
  • US2278352A - Nonefflorescing bar soap : en
  • PL30463B1 - Hydrodynamic speedometer : en pl
  • AU303441A - Motordrive : en
  • US2277742A - Tent canvas protector : en
  • FR870993A - Manufacturing process of fibers based on synthetic linear polycondensation products : en fr
  • USD131833S - Design for a negligee : en
  • FR871049A - parallel vice for machine tools or other applications : en fr
  • US2277695A - Magazine and film handling apparatus : en
  • US2278197A - Duplicating machine : en
  • FR870953A - Heating device for a parking space : en fr
  • FR870928A - Process for obtaining vegetable albumin for the manufacture of artificial threads or the like : en fr
  • DE719297C - Device for glowing the ends of cartridge cases : de en
  • ES143181A1 - A process to accelerate the preparation of precipitates and colloidally dissolved substances from liquids, especially when the water is de-stressed. : en es
  • US2278293A - Forging apparatus : en
  • US2278053A - Preparation of halides : en
  • FR871019A - Ultraviolet ray microscope or super electron microscope : en fr
  • US2278018A - Power transmission device : en
  • DE719115C - Process for the production of colored brighteners and coloring agents : de en
  • US2278384A - Purification of carbon disulphide : en
  • CH220199A - Process for the production of vinegar from fruits. : de en
  • US2278242A - Evaporative cooler : en
  • US2278291A - Matrix : en
  • AU114910B2 - Improvements in or relating to crankshaft lathes : en
  • USD131842S - Design for a shoe : en
  • ES148871A3 - A PROCEDURE FOR THE OBTAINING OF SULFURIC ACID DERIVATIVES SOLUBLE IN WATER FROM OIL OR FATTY, FATTY ACIDS OR FATTY ALCOHOLS WITHOUT SATURATION : en es
  • US2277708A - Thermostatic discharge tube : en
  • US2277844A - Power-driven mowing machine : en
  • PL30414B1 - : en pl
  • FR871045A - Scope especially for small devices : en fr
  • DE719199C - Process for the production of dyes : de en
  • USD131815S - Design foe a suit : en
  • US2277838A - Refrigerator : en
  • US2278123A - Antispasmodics : en
  • PL30417B1 - Adolphc Kegresse, Paris. Wheeled vehicle, converted to a half-tracked vehicle : en pl
  • SU61093A1 - Device for push-button elevator control : en ru
  • CH220265A - Ultra-light magnesium-based alloy containing metals of the ceric earth group, and method of making such an alloy. : en fr
  • GB544143A - Aryl silicone condensation products : en
  • GB544230A - Improvements in and relating to protective devices for torque transmission : en
  • DE719173C - Box made of molded insulating material for encapsulated switchgear and distribution systems : de en
  • DE719179C - Loetoefen, especially for bicycle and motorcycle frames or parts of such : de en
  • ES148889A1 - A REFRIGERATION INSTALLATION, ESPECIALLY OF RECHARGED STEAM, FOR EXPLOSION ENGINES : en es
  • DE719128C - Device for receiving and forwarding impulses for remote totalizing systems working in cascade according to the impulse method for remote counting of measured quantities : de en
  • DE719238C - Identifier : de en
  • US2278190A - Core machine : en
  • US2278335A - Permanent wave heater : en
  • USD131809S - Design for a coat : en
  • USD131808S - Design for a coat : en
  • US2277723A - Method of making plaiting : en
  • ES148943A1 - IMPROVEMENTS INTRODUCED IN FIRE EXTINGUISHING EQUIPMENT : en es
  • DK59617C - Swivel cover for rear wheel arches in car bodies. : da en
  • ES148939A1 - IMPROVEMENTS IN THE RECEIVER DEVICES OF RADIOS TO DELETE THE NOISES OF THE PARASITES : en es
  • DE719111C - Variable motor arrangement : de en
  • US2277941A - Manufacture of shoes : en
  • DE719379C - Rail butt joint for easily laid tracks, especially for light rail tracks : de en
  • FR870910A - Method of automatic adjustment of the start of injection in internal combustion engines : en fr
  • US2277944A - Radiator temperature control : en
  • US2278054A - Floating reamer : en
  • US2277956A - Metallic dowel pin : en
  • US2278320A - Locking turnbuckle : en
  • CA403842A - Refrigerator car : en fr
  • US2277987A - Operating machine for dumping doors : en
  • US2277815A - Dispenser : en
  • US2278101A - Sliding seat mounting for vehicles : en
  • GB544249A - Improvements in or relating to apparatus for detecting detonation in internal combustion engines : en
  • US2278403A - File support : en
  • CA403855A - Drive mechanism for axle driven speed responsive device for railway trains : en fr
  • CH220200A - Sterilizing box made of non-metallic material. : de en
  • CH220295A - Stabilizing device for automatic electrical regulators. : de en
  • US2278290A - Extraction pressure regulating apparatus : en
  • USD131834S - Design for an arm band : en
  • BE444645A - : en fr
  • CA403779A - Dialkyl ether of dimethylol urea : en fr
  • DE718693C - Process for preventing iron sheets insulated with an inorganic substance from sticking to one another when glowing in packets : de en
  • ES148926A3 - A MECHANICAL PROCEDURE FOR THE PRODUCTION OF SPRINGS FOR THE FEMALE CLOSURES OR CLAMPS : en es
  • DE719027C - Method for obtaining the anterior pituitary hormones from gravid urine : de en
  • DE719350C - Carburettor with a starter secondary line that opens up preferably near the inlet valves : de en
  • CH220162A - Gas generator. : de en
  • CH220394A - Wheel button. : de en
  • PL30437B1 - : en pl
  • DE719202C - Process for the production of electrolyte-free extracts from vegetable raw materials : de en
  • CH220208A - Process for the preparation of alcohols of the acetylene series. : de en
  • US2278090A - Method of thiodiglycol production : en
  • DE719257C - Method for producing a feed : de en
  • ES148924A3 - A MECHANICAL PROCEDURE FOR THE CONTINUOUS MANUFACTURE OF PASTA FOR SOUP : en es
  • GB544156A - Improvements in and relating to carriers for plates, dishes and other vessels : en
  • PL30446B1 - : en pl
  • US2278289A - Masonry simulating material : en
  • ES148903A1 - INDICATOR DEVICE FOR CHANGE OF PLATES : en es
  • FR870901A - Engraving machine for working large workpieces : en fr
  • US2278302A - Feeding mechanism for shaker or jigging conveyers : en
  • US2278301A - Grinding wheel : en
  • DK59614C - Mixer for Mixing Powdered Substances. : da en
  • US2277982A - Roof vent : en
  • US2277913A - Gearshifting mechanism : en
  • USD131858S - Design for a brooch pin or similar article : en
  • DE719233C - Powder spreading device for rubber plates : de en
  • FR871024A - Process for preparing pantothenic acid : en fr
  • ES148922A1 - APPARATUS FOR SHARPENING AND SOFTENING AEITAR LEAVES OR SIMILAR OBJECTS : en es
  • GB544126A - Improvements in or relating to structural members : en
  • GB544254A - Improvements in carburetting devices for internal combustion engines using liquid fuel : en
  • CH220319A - Switching device with quenching and overcurrent coil. : de en
  • DE719330C - Centrifugal pump or water turbine with at least temporary counter pressure on the underwater side : de en
  • ES143222A1 - A process for cooling hot gases, especially those with a high water vapor content. : en es
  • PL30428B3 - Lignoza Spółka Akcyjna, Katowice Explosive material, suitable for casting : en pl
  • US2277733A - Dielectric material and method of making the same : en
  • US2277807A - Display device : en
  • US2277824A - Grease dispensing apparatus : en
  • US2278394A - Convertible combine and swather : en
  • US2278404A - Journal box and lubricator : en
  • US2277684A - Machine and method for use in the manufacture of shoes : en
  • US2277749A - Device for introducing combustion controlling and other substances into internal combustion engines : en
  • GB544144A - Electrical filters : en
  • SU61108A1 - Device for single-wire track blocking alarm : en ru
  • PL30435B1 - : en pl
  • US2278118A - Business machine : en
  • USD131851S - Jewelry finding or similar article : en
  • DE719237C - Loading device : de en
  • FR870929A - Protection system for free moving parts of insulated or uninsulated electrical conductors : en fr
  • US2277812A - Journal box : en
  • DE719146C - Band filter arrangement with variable bandwidth : de en
  • FR870925A - Manufacturing process of alkaline earth hydroxides and oxides : en fr
  • DE719109C - Tubular device that can be connected to various mains voltages and has ferrous hydrogen resistors in the heating circuit : de en
  • DE719284C - Method and device for grinding and polishing twist-like lengths in bores : de en
  • FR870952A - Process for manufacturing gas turbine parts and other parts made of ceramic materials : en fr
  • FR871040A - Improvements to the coupling means of sidecars and similar vehicles : en fr
  • CA403806A - Ear muff frame : en fr
  • CA403818A - Mirror manufacture : en fr
  • CH220352A - Process for the preparation of an isoprene homologue of α-tocopherol. : de en
  • US2278095A - Electrical toothbrush : en
  • USD131826S - Design for a game board : en
  • US2278341A - Center support for venetian blind tilt rails : en
  • GB544235A - Improvements in centrifugally operated switches : en
  • DE719138C - Water-cooled blast furnace wind form : de en
  • DE719247C - Process for removing weakly acidic constituents from liquid hydrocarbons or their liquid, essentially water-insoluble halogen or nitrogen residues : de en
  • FR870908A - Photographic lens shutter : en fr
  • GB544148A - Improvements in or relating to rubber moulding : en
  • FR870917A - Process for stabilizing emulsions against the action of jelly : en fr
  • FR871050A - Mounting, especially for the rotor of rotary piston machines : en fr
  • GB544221A - Process for the manufacture of carbinols having an acetylene function : en
  • US2277701A - Composite wooden flume : en
  • US2277716A - Fermentation process for the production of 2-ketogluconic acid : en
  • US2278287A - Signal : en
  • DE719329C - Display rack : de en
  • DE719021C - Solvent : de en
  • ES148945A3 - IMPROVEMENTS MADE TO THE GARNISHES FOR HIGH PRESSURE HYDRAULIC PISTONS, ESPECIALLY FOR THE PISTONS OF HYDRAULIC TRANSMISSION CYLINDERS FOR VEHICLE BRAKES : en es
  • US2278121A - Fixture for attaching bumpers or the like to automobile frames : en
  • US2277813A - Materials testing apparatus : en
  • US2278318A - Bulkhead door : en
  • US2278096A - Suction nozzle : en
  • FR870924A - Process for preparing chromates : en fr
  • US2278328A - Manufacture of drawn glass : en
  • US2278347A - Packing means for pump rods : en
  • US2278045A - Resistance device : en
  • US2278234A - Mold culture : en
  • FR870912A - Gasifier for motor vehicles and engines of all industries : en fr
  • US2278309A - Fractionation of free fatty acids : en
  • US2278097A - Typographical slug casting machine : en
  • US2278149A - Piston : en
  • US2278379A - Control means for gyroscopes : en
  • GB544133A - Means for protecting ships and other structures against aerial bombs and the like : en
  • DE719187C - Ironing machine with ironing roller and ironing shoe that can be pressed onto this : de en
  • GB544234A - Improvements in or relating to typewriting machines : en
  • PL30401B1 - : en pl
  • GB544153A - Improvements in bearings : en
  • GB544253A - Improvements in and relating to moistureproofing coating compositions and articles produced therefrom : en
  • US2278239A - Hose coupling : en
  • DE719230C - Manufacture of silicate luminophores : de en
  • GB544158A - Manufacture of organic nitro-cmpounds : en
  • CH220197A - Footwear with a flexible outsole. : de en
  • DE719023C - Process for the production of viscose rayon : de en
  • US2278021A - Cabinet : en
  • DK59613C - Mechanical Soldering of Food Containers. : da en
  • US2278074A - Flexible pipe joint : en
  • FR870930A - Preparation process for photo-sensitive products : en fr
  • DE719209C - Device for introducing pulverulent fuel into an air-compressing internal combustion engine : de en
  • US2278137A - Cable drilling tool : en
  • US2278152A - Marine turbine cross-over connection : en
  • US2277683A - Article handling apparatus : en
  • US2278051A - Apparatus for cutting and mixing : en
  • PL30416B1 - : en pl
  • US2278372A - Manufacture of amines : en
  • CA403777A - Electronic voltage regulator : en fr
  • US2277764A - Brick treating method and apparatus therefor : en
  • US2277846A - Stacking machine : en
  • US2278171A - Process for breaking petroleum emulsions : en
  • US2277720A - Machine for making plaitings : en
  • CH220362A - Circuit arrangement with a rotary selector designed as a square selector. : de en
  • FR870976A - Process for obtaining a synthetic material bearing box and bearing box obtained by this process : en fr
  • US2277819A - Catalytic hydrocarbon reactions and catalysts therefor : en
  • AU114917B2 - Improvements in or relating to fuel tanks : en
  • CH220194A - Process for the production of a zipper strand and a zipper strand produced thereafter. : de en
  • PL30450B1 - : en pl
  • US2278255A - Amphibian : en
  • DE719266C - Sorting bin : de en
  • GR9815B - METHOD AND DEVICE FOR OBSERVATION OF MOVEMENTS. : el en
  • FR870950A - Gear grinding machine : en fr
  • DE719212C - Silencer for internal combustion engines, in which two perforated pipes in a housing serve as inlet and outlet pipes : de en
  • DE719340C - Device for transferring cigarettes or workpieces of a similar shape from a storage container into the packaging boxes : de en
  • AU77141A - Improvements in or relating to surgical elastic bandages : en
  • DE719271C - Process for the production of aldehyde compounds of the quinoline series : de en
  • US2278395A - Fuel injection pump : en
  • AU114895B2 - Improvements in or relating tothe production of unsaturated aliphatic aldehydes : en
  • CA403844A - Air conditioning system : en fr
  • CH220335A - Dimming device. : de en
  • CA403783A - Circuit breaker : en fr
  • BE444456A - : en
  • CA403725A - Truck safety device : en fr
  • CH220175A - Process for the manufacture of artificial textile fibers based on casein. : en fr
  • CH220219A - Process for the production of a new anthraquinone derivative. : de en
  • CH220433A - Photosensitive layer. : de en
  • PL30394B1 - : en pl
  • FR870956A - Mechanism for transforming a continuous rotational movement into an alternating translational movement and shears provided with this mechanism : en fr
  • US2277931A - Staple : en
  • FR870957A - Airtight feedthrough of several high voltage conductors through an ignition magneto housing : en fr
  • GR9813B - OAK WOOD SAW RIBBON. : el en
  • GB544208A - Method and apparatus for making laminated elements for building purposes : en
  • FR871005A - Device for the heat treatment of solid or hollow bodies : en fr
  • DE719195C - Process for the production of discharge vessels filled with metal vapor, in which dosed amounts of metal must be introduced during operation for the purpose of generating undersaturated vapor pressures : de en
  • ES148917A3 - A MECHANISM FOR THE PRODUCTION OF SPRINGS FOR FEMALE CLOSURES OR CLAMPS : en es
  • US2277960A - Moistening mechanism : en
  • US2278387A - Method and apparatus for inking printing cylinders : en
  • AU114931B2 - Improvements in or relating to commutators for dynamo-electric machines : en
  • BE444535A - : en
  • DE719283C - Process for the production of a feedstuff containing protein and carbohydrates : de en
  • CH220221A - Process for the production of a vat dye of the anthraquinone series. : de en
  • DK59601C - Ignition mechanism for rotatable Roasting and Oven burner tubes. : da en
  • DK59611C - Flywheel ignition device, in particular for internal combustion engines. : da en
  • GB544251A - Improvements in or relating to infinitely variable speed gears : en
  • CA403772A - Wheel and bearing assembly : en fr
  • CH220294A - Turbine rotors for gas turbines. : de en
  • US2278366A - Electrical conductor : en
  • US2278017A - Flow apparatus : en
  • US2278373A - Manufacture of amines : en
  • CA403734A - Pump : en fr
  • CH220246A - DF device with two identical, directional antenna systems arranged perpendicular to one another. : de en
  • DK59603C - Standing Low Pressure Steam Boiler. : da en
  • CH220322A - Magnet system. : de en
  • US2277740A - Machine for operating on sheet metal : en
  • FR870974A - Wind heater, multiple zones, especially for blast furnaces : en fr
  • CH220139A - Device that can be used for various work purposes. : de en
  • CH220298A - Heat exchange device. : de en
  • DE719160C - Drive for drum-like machines, such as drum and tube mills : de en
  • FR871025A - Improvements to pen holders and other similar objects : en fr
  • FR871048A - X-ray machine : en fr
  • US2277959A - Slide operated lock for the breechblocks of firearms : en
  • US2278161A - Electrolytic device and method of making same : en
  • USD131821S - Design fok a dress : en
  • CA403742A - Internal combustion engine : en fr
  • US2277744A - Pest control : en
  • USD131836S - Brooch or similar article : en
  • PL30434B1 - Lignoza Spółka Akcyjna *), Katowice Detonation fuse : en pl
  • CH220233A - Electrically heatable sealing device. : de en
  • DE719189C - Pressure regulating device, in particular the pressure of a network fed by bleed steam turbines : de en
  • DE719223C - Ring roller press : de en
  • US2277768A - Control apparatus : en
  • US2278284A - Stabilizing cellulose yarns : en
  • AU78941A - Improvements in or relating tothe manufacture of urea Formaldehyde resinous compositions : en
  • US2278275A - Seal for furnace openings : en
  • US2278069A - Apparatus for mixing mineral aggregate : en
  • CA403837A - Disc dictating machine : en fr
  • CH220320A - Device for the automatic setting of a quenching inductance used for earth fault protection of an alternating current network when the partial capacitance of the network changes to earth. : de en
  • CH220163A - Ignition device. : de en
  • CH220230A - Support for character bars, especially for typewriters. : en fr
  • CH220354A - Manicure comb. : en fr
  • US2277903A - Means for inspecting fruit for position : en
  • USD131883S - Design for a pin clip : en
  • CH220420A - Process for the preparation of a monoazo dye. : de en
  • DE719170C - Drying device for rotogravure printing machines : de en
  • DE719125C - Disc-shaped anti-scatter screen for recordings with X-rays : de en
  • AU114914B2 - Improvements in apparatus for projection and viewing of pictures in stereoscopic relief : en
  • CH220182A - Individual spindle drive for spinning and twisting machines. : de en
  • CH220423A - Process for the preparation of a tetrakisazo dye. : de en
  • CA403868A - Magnetic recording and reproducing machine : en fr
  • US2278162A - Sinew puller : en
  • CA403759A - Gas producer air and steam supplying device : en fr
  • PL30395B1 - : en pl
  • CA403760A - Grinding wheel : en fr
  • DE719159C - Tool for installing and removing piston rings : de en
  • DE719211C - Carburetors for internal combustion engines : de en
  • US2278310A - Hydraulic tripping mechanism : en
  • DE719208C - Process for the production of Gilftkoedrn for combating rodents : de en
  • US2278220A - Snow removing apparatus : en
  • US2277947A - Adjustable support and locking mechanism : en
  • US2277782A - Crimping materials containing synthetic textile fibers : en
  • US2278184A - Punch : en
  • CH220144A - Method for killing insects. : de en
  • AU42241A - Improved resilient sheet material and articles made therefrom : en
  • CH220143A - Device for the production of insecticidal vapors or gases. : en fr
  • CH220153A - Heating appliance. : en fr
  • CH220379A - Drive device on motor vehicles with an air-cooled rear engine with cylinders in a V-shaped arrangement. : de en
  • CH220325A - Process for the high vacuum tight sealing of two-part vacuum vessels. : de en
  • PL30460B1 - : en pl
  • CH220301A - Galvanic dry element. : de en
  • AU114926B2 - Improved process inthe manufacture of yeast : en
  • CH220324A - Electron microscope. : de en
  • US2277863A - Electron discharge device and circuit : en
  • AU196641A - Improvements in or relating tothe extraction of hydrocarbons from gas mixtures containing carbon dioxide by liquefaction : en
  • CH220261A - Timepiece pusher. : en fr
  • PL30455B3 - : en pl
  • GR9820B - AQUATIC IMPROVEMENTS. : el en
  • ES143012A1 - A procedure for adhering a floating fabric filter in the box of a respiration filter. : en es
  • ES148895A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • CH220252A - AC relay with meter. : de en
  • CH220370A - Image decomposition arrangement for rectilinear cross-line division with an endless image strip using two buttons. : de en
  • DE719144C - Arrangement for the detection and recording of small movements of mechanical apparatus, e.g. of voters in telephone systems : de en
  • DK59604C - Procedure for Refreshing Ribbons. : da en
  • ES142866A1 - An improvement in the fixing of the threaded bowl of the bicycle steering. : en es
  • FR871028A - Powder dispenser : en fr
  • CH220336A - Ignition device for rotatable and swiveling burner tubes, in particular for roasting and baking ovens. : de en
  • CA403790A - Gelatinized thin boiling starch : en fr
  • DE719140C - Rail fastening on wooden sleepers : de en
  • AU305341A - Process of printing : en
  • CA403811A - Photo-mechanical reproduction of design elements : en fr
  • DE719132C - Process for the production of edges on metal sheets : de en
  • US2277957A - Weighing scale : en
  • FR870866A - Method of manufacturing a washing and cleaning product : en fr
  • DE719296C - Furnace for annealing or normalizing sheet metal or strips : de en
  • US2277737A - Oil filter mounting : en
  • US2277799A - Power transmission : en
  • CA403826A - Hosiery : en fr
  • CH220332A - Power converter with externally fed control electrodes. : de en
  • CA403809A - Container filler : en fr
  • CA403752A - Fireplace and damper : en fr
  • DE719267C - Gap sealing ring pressed by pressurized water against the outer ring of the impeller of a water turbine or pump, which serves to transmit the circumferential force : de en
  • DE719113C - Electrical discharge vessel with ceramic base and metal skin ducts arranged in this : de en
  • FR870945A - Method and apparatus for the rapid fixing of metal cables : en fr
  • FR870968A - Sophisticated zipper : en fr
  • PL30426B1 - Device for engaging gears and for starting with friction clutch and auxiliary mechanisms in cars : en pl
  • CH220384A - Anti-skid wheel tire. : de en
  • ES148925A1 - GLASS PARTS UNION PROCEDURE APPLICABLE TO THE MANUFACTURE OF ARTISTIC GLASSES AND LUMINOUS LANGUAGES : en es
  • GB544166A - Improvements connected with joints and terminals of high tension electric cables : en
  • US2278405A - Calculating machine casing : en
  • FR871046A - Rotating armature relay controlled by pulses, and in particular switching relays for multiple tariff meters : en fr
  • US2277932A - Door operating mechanism : en
  • CA403813A - Packaging material : en fr
  • CA403825A - Vehicle brake : en fr
  • US2278364A - Electric clock : en
  • US2277788A - Treatment of textiles and composition useful therefor : en
  • US2278385A - Electric lamp socket : en
  • US2278115A - Flask stripper : en
  • GB544155A - Improvements in or relating to the catalytic reforming of gasolines and naphtha : en
  • DE719272C - Process for the production of aldehyde compounds of the thiazoline or thiazolidine series : de en
  • US2277823A - Preparation of guanyl urea : en
  • US2277847A - Control apparatus : en
  • USD131866S - Design for a brooch or similar article : en
  • GB544162A - Improvements in power operated doors : en
  • AU86241A - Improvements in and connected withthe cooling of beer or other like liquids : en
  • BE444654A - : en
  • US2278248A - Process and apparatus for monitoring gases : en
  • US2277850A - Modulated-carrier wave-signal receiver : en
  • DE719165C - Rotatable illuminated indicator : de en
  • ES143952A1 - A provision for transmitting communications by means of high frequency carrier waves in conductors or lines, especially in radio transmission. : en es
  • US2277817A - Classification : en
  • CH220277A - Balancing tester. : de en
  • US2277672A - Toy : en
  • GB544250A - Improvements in and relating to electric wave transmission devices : en
  • US2277852A - Screw and lock washer assembly : en
  • FR870975A - Automatic gearshift control especially for electric vehicles : en fr
  • DE719185C - Process for the mechanical separation of coarse-grained substance mixtures in the grain size of 3-100mm diameter and above : de en
  • DE719290C - Quill plate for can seaming machines provided with a fixed guide bar : de en
  • CA403865A - Infant's garment : en fr
  • US2277790A - Fish lure : en
  • USD131856S - Design fob a brooch pin or similar article : en
  • FR871020A - Gyroscopic instrument : en fr
  • DE719172C - Cable for conducting very short electromagnetic waves : de en
  • DE719196C - Electrical crossover with constant input resistance, which can be understood as a series or parallel connection of partial filters with a negative reactance : de en
  • DK59609C - Coupling with two-pole Speech Head for Magnetone Machines. : da en
  • FR871029A - Double closing faucet : en fr
  • GB544226A - Improvements in or relating to means for giving warning of the formation of ice on aircraft : en
  • US2278062A - Self-locking bolt with elastic washers of variable thickness : en
  • US2278050A - Well head closure : en
  • DE719322C - Silencer for a cross-sectionally round or elliptical exhaust pipe of an internal combustion engine : de en
  • USD131873S - Design for a hat : en
  • DE719031C - Process for obtaining pure regulin beryllium : de en
  • US2278270A - Backpedaling brake for velocipedes : en
  • DE719210C - Hydraulic switching device for internal combustion engines : de en
  • US2277678A - Electric furnace for melting glass : en
  • US2278260A - Dioxazine dyestuffs : en
  • US2277995A - Garment hanger : en
  • US2278306A - Vacuum control for power sweeper brooms : en
  • US2278380A - Reel : en
  • US2278393A - Method of making guards for reciprocating knives : en
  • USD131828S - Design for a suit : en
  • US2277734A - Dielectric material and method of making the same : en
  • US2278315A - Manufacture of high speed steels : en
  • ES148870A1 - A PROPELLER DRIVING DEVICE ESPECIALLY BY SEVERAL ENGINES : en es
  • US2277878A - Silent antisiphon fixture : en
  • FR871041A - Liquid cooling bowl, more especially for cinematographic projections : en fr
  • US2277841A - Superregenerative magnetron receiver : en
  • USD131845S - Lowered fluorescent lighting fixture : en
  • FR870921A - Slip ring for electrical machines : en fr
  • ES148940A1 - PROCEDURE FOR SALVAGE OF SUBMERGED VESSELS : en es
  • GB544187A - An improved protective shield for gunners : en
  • US2278037A - Merchandise display card and wrap : en
  • GB544246A - Improvements in and relating to ship salvage : en
  • US2277668A - Zinc plating : en
  • US2277794A - Wall construction : en
  • ES148874A1 - A DRIVING DEVICE FOR VARIOUS ENGINES SPECIALLY INTENDED FOR AIRCRAFT WITH ADJUSTABLE SHELL PROPELLERS : en es
  • AU236741A - Production of fat-soluble vitamin concentrates : en
  • CH220369A - Attachment for the reception of short waves. : de en
  • CA403873A - Modified starch, dextrine and british gum : en fr
  • GB544176A - Improvements relating to welding electrodes : en
  • ES148885A1 - A VEHICLE FRAME AND CORRESPONDING BOTTOM OF BOX : en es
  • FR870936A - Combined submersible nozzle gasifier and water vaporizer : en fr
  • PL30456B1 - A method of curing fibers, sheet and similar products made of proteinaceous materials : en pl
  • US2278049A - Chair : en
  • US2278355A - Method of improving the adhesion of rubber to fabrics : en
  • DE719122C - Prepaid card printer with exchangeable printing sticks : de en
  • DE719328C - Method and device for making longitudinally glued tube sections from paper or the like. : de en
  • US2277679A - Electric furnace for melting glass : en
  • US2278025A - Mounting for reflector buttons : en
  • ES148879A1 - AN INJECTION EXPLOSION ENGINE WITH FAN ON LOAD : en es
  • DE719334C - Hydraulic car tipper : de en
  • DE719279C - Air-compressing internal combustion engine for powdery fuel with a combustion chamber : de en
  • DE719126C - Cushioning, especially for motor vehicles : de en
  • DE719244C - Low-fluid type circuit breakers : de en
  • DE719224C - Cold glaze made of magnesia cement : de en
  • US2277783A - Machine for bag forming, filling, and sealing articles in cellulose bags : en
  • US2278030A - Radio receiving apparatus : en
  • US2278082A - Fan : en
  • DE719156C - Dissolving, softening, gelatinizing and swelling agents : de en
  • DE719314C - Theater stage : de en
  • FR870992A - Shaking or knocking device : en fr
  • US2278305A - Carburetor : en
  • US2278327A - Toy block : en
  • ES148934A1 - MECHANISM TO REGULATE THE MOVEMENTS OF ADVANCE OF A PART OF MACHINE SUBJECTED TO THE INFLUENCE OF ONE OR MORE HYDRAULIC CYLINDERS : en es
  • CA403741A - Propeller transfer bearing : en fr
  • CH220326A - Electrical conversion arrangement with breaker. : de en
  • US2278157A - Stoker : en
  • CH220226A - Metal feeding device on single-letter casting machines. : de en
  • US2277826A - Antenna : en
  • US2277843A - Wheel mounting : en
  • CH220337A - Device with an electric gas discharge tube. : de en
  • DE719203C - Device for external matting of incandescent lamps and similar glass vessels : de en
  • US2277991A - Pump : en
  • AU255541A - Improvement in dental x-ray package : en
  • US2278397A - Liquid pump and gas separator : en
  • US2277671A - Electrical switch : en
  • US2278181A - Engine and gear coupling : en
  • CH220228A - Process for making matrices for clichés. : de en
  • US2278151A - Regulating apparatus : en
  • USD131863S - Design for a beooch or similar article : en
  • US2277664A - Zinc plating ferrous articles : en
  • US2278099A - Speed governing system : en
  • AU260741A - Improvements in or relating to fuel tanks : en
  • CA403872A - Air cleaner : en fr
  • CA403866A - Pneumatic ejector plant : en fr
  • CH220232A - Mechanical pencil with two lead clamp pliers. : de en
  • PL30433B1 - Sageb Societe Anonymc de Gestion et d'Exploitation de brevets, Grenade thrower or infantry mortar : en pl
  • AU114903B2 - Device for treating washed clothes : en
  • CH220356A - Machine for merchants and salespeople to display, print and add amounts received. : de en
  • AU115741A - Improvements in or relating, to safety razors : en
  • US2277975A - Valve : en
  • CH220317A - Thermal fuse attached to three-phase motors with centrifugal starters. : de en
  • FR870986A - Improvements to dental rollers : en fr
  • CH220161A - Charcoal oven. : en fr
  • CA403879A - Vehicle suspension : en fr
  • CA403730A - Fishing pole handle : en fr
  • CA403849A - Ornamental article : en fr
  • PL30400B1 - Ringhoffer -Tatra-Werke A. G, Prague-Smichov A car with a streamlined rear engine : en pl
  • US2278331A - Edge seal for metal-faced panels : en
  • US2278136A - Continuous strip-annealing furnace : en
  • ES148942A1 - A PERFECTED SEAT SYSTEM FOR KEYS OF PASS : en es
  • GB544255A - Method of degasification of liquid dispersions : en
  • FR870931A - Polyphase current dynamo-electric machine : en fr
  • FR870987A - Transmission for motor vehicles and more particularly for tractors : en fr
  • DE718951C - Process for the preparation of compounds of methyl-p-tolylcarbinol : de en
  • DE719264C - Method of making hoses and pipes : de en
  • FR870994A - Instrument for indicating the inclination of an aircraft, in particular for blind flights : en fr
  • CA403784A - Switchboard : en fr
  • CA403805A - Meat canning apparatus : en fr
  • CH220198A - Process to reduce the tendency to swell in cheese. : de en
  • US2277951A - Cushioned seat and method of making the same : en
  • US2278401A - Combined receptacle and clamp : en
  • CH220174A - Process for making well-crimped, loose viscose rayon. : de en
  • US2278166A - Process for breaking petroleum emulsions : en
  • FR870983A - Automatic installation switch : en fr
  • DE719310C - Protective box with spring lid, especially for shoe polish, cleaning, polishing, skin care products or the like. : de en
  • PL30436B1 - Firearms trigger device that can be set to single and continuous fire : en pl
  • US2278345A - Method of applying polyvinyl chloride to metal surfaces : en
  • GB544202A - Improvements in and relating to gas producers : en
  • DE719116C - Process for the manufacture of an antihypertensive substance : de en
  • DE719163C - Process for the production of the outer skin or other parts of boats, airplanes, bodies, etc. like : de en
  • GB544224A - Improved method of preparing a luminescent mixture : en
  • CA403794A - Exhaust steam injector : en fr
  • FR870926A - Glass fiber fabrics for filters : en fr
  • DE719180C - Twist lock for automatic and semi-automatic firearms : de en
  • GB544256A - Improvements in or relating to the securing of a washer, collar, flange, or the like on to a rod or tube : en
  • DE719256C - Device for treating food and beverages with gases or vapors, e.g. of grain with ozone-containing air : de en
  • GB544188A - Process for the manufacture of unsaturated ketones : en
  • US2278036A - Hauling scraper : en
  • US2278163A - Aldimine salts of petroleum sulphonic acids : en
  • AU402440B - Improved air supply appliances for signalling sirens : en
  • CA403850A - Cinematographic apparatus : en fr
  • CH220264A - Process of heat treatment of metal. : en fr
  • CH220313A - Electrical plug connection which can be switched on and off by a switch provided in the socket. : de en
  • US2277961A - Brace : en
  • US2277977A - Heat transfer system : en
  • US2278368A - Condensation product containing sulphur : en
  • ES148919A3 - A MECHANISM TO CUT THE BASES OF THE CLOSURES OR CLAMPS : en es
  • BE444525A - : en nl
  • US2278110A - Lubricating pump : en
  • CH220398A - Firearms storage on vehicles, in particular aircraft. : de en
  • GB544243A - Improvements in means of communication over power mains : en
  • US2277888A - Sandwich cutter guide : en
  • DE719135C - Process for the production of tetracylazide or its salts : de en
  • CH220188A - A method of treating a crepe yarn with a view to reducing its tendency to curl and twist, and yarn treated by this method. : en fr
  • BE444406A - Process for degassing viscose : en fr
  • FR870915A - Spring suspension of oscillating half-axles modifying the scum, in particular of swinging half-axles of motor cars : en fr
  • US2278295A - Film reel can : en
  • USD131869S - Brooch or similar article : en
  • CH220357A - Circuit arrangement for transmissions for alternating current telegraphy with phase reversal. : de en
  • DE719147C - Grinding arm for cylinder coils of high frequency transmitters : de en
  • DE719260C - Ammunition elevator for standing conveyance : de en
  • GB544245A - Process for the preparation of starch products : en
  • GB544266A - Improvements in and relating to furnace control : en
  • US2277776A - Flash lamp : en
  • SU60962A1 - The way to control rectifiers with a grid : en ru
  • DK59602C - Process for the preparation of acyl compounds of such alcohols of the saturated or unsaturated androstane series containing a tertiary alcohol group. : da en
  • US2277836A - Electrohydraulic operator : en
  • US2277879A - Apparatus for controlling the level of finely divided material within containers : en
  • PL30413B3 - : en pl
  • PL30424B1 - A method of making glue and gelatine or similar products from aged skin scraps : en pl
  • US2278048A - Feed water control : en
  • US2277713A - Thread protector : en
  • CA403735A - Fuel supply system : en fr
  • DE719250C - Magnifying glass : de en
  • USD131825S - Design for a dish : en
  • DE719142C - Section separator for contact lines : de en
  • ES133124A3 - A NEW PROCEDURE FOR COATING METAL OBJECTS OR SEVERAL LAYERS OF DIFFERENT METALS : en es
  • ES143199A1 - An arrangement to maintain and move the twisted in the appliances of cooking, heating or lighting for liquid fuels. : en es
  • ES148904A1 - PROCEDURE FOR THE FINISHING OF HIEWRRO OR STEEL OBJECTS, SUCH AS KNIVES, SCISSORS, SURGICAL MATERIALS AND TOOLS : en es
  • FR871007A - Method and device for shaping the tips of shoe uppers : en fr
  • SE104113C1 - : en
  • US2277936A - Dispenser : en
  • GB544218A - Improvements in and relating to counter zeroising and control mechanism for use especially in liquid dispensing apparatus : en
  • DE719252C - Psychromter for immediate reading of the relative and absolute humidity : de en
  • CH220284A - Control device on two-stroke internal combustion engines. : de en
  • US2277763A - Method of making battery paste retainers : en
  • US2278299A - Method of and apparatus for curling edges on containers : en
  • ES148907A3 - A PROCEDURE FOR THE USE OF HEAT PRODUCED AND DERIVED FROM THERMODYNAMIC INSTALLATIONS : en es
  • USD131848S - Design for a bracelet or similar article : en
  • CH220279A - Friction disc clutch. : de en
  • GB544233A - Improvements in and connected with fuel injection pumps for internal combustion engines : en
  • GR9811B - POTOKINITOS AROTRIC MACHINE. : el en
  • DE719141C - Engine cut-off device for motor vehicles, especially rail cars with several internal combustion engine sets : de en
  • GB544136A - Improvements in or relating to the filtering and like treatment of fluids : en
  • AU114902B2 - Improvements in or relating to blocking-layer cell units composed ofa plurality of supporting plates provided with blocking-layer cells and with cooling plates : en
  • CH220156A - Heating body for boiler. : en fr
  • CH220222A - Process for the production of a vat dye. : de en
  • CH220276A - Aluminum alloy rivet. : de en
  • CH220262A - Waterproof watch box. : en fr
  • DE719239C - Push button : de en
  • CH220309A - Termination for high voltage conductors. : de en
  • CH220399A - Device for controlling adjusting screws for vehicles. : de en
  • US2277802A - Telephone system : en
  • CH220179A - Method and flyer for roving fibers. : de en
  • CH220189A - Device for tensioning the connecting cord of electric irons. : de en
  • CH220416A - Process for the preparation of an azo dye. : de en
  • DE719377C - Annealing furnace with heating pipes working with a protective gas atmosphere : de en
  • FR870949A - Improvements to shut-off devices for fire extinguishers : en fr
  • US2277780A - Track pilot for road and rail cars : en
  • US2277828A - Plural tongs mechanism for glassware : en
  • US2278344A - Lock bolt construction : en
  • ES148909A3 - A PERFECTED MACHINE FOR THE MANUFACTURE OF COOKIES AND ANALOGUE PRODUCTS : en es
  • CH220155A - Hot water boiler. : de en
  • PL30443B1 - Allgemeine Elektricitats-Gesellscliaft, Berlin Transformer with three or more phases : en pl
  • CH220314A - Process for pressing cable sheaths made of aluminum. : de en
  • DE719274C - Method and device for defrosting evaporators in refrigeration machines : de en
  • DE719332C - Skylight opener : de en
  • DE719249C - Device for taking impressions when making pin teeth : de en
  • US2278250A - Telescope support : en
  • US2277869A - Defrosting attachment : en
  • CA403797A - Insecticide stabilization : en fr
  • CA403824A - Material separating apparatus : en fr
  • CH220371A - Procedure for eliminating malfunctions in storing image capture tubes. : de en
  • US2278236A - Mold culture : en
  • US2278254A - Apparatus for forming heating coils : en
  • CH220350A - Process for obtaining vitamin E. : de en
  • CH220275A - Badge to be worn by people. : de en
  • CA403792A - Steam injector : en fr
  • US2278200A - Rim : en
  • CA403724A - Pneumatic axle and hub connection : en fr
  • CA403787A - Petroleum wax preparation : en fr
  • CA403816A - Lapping machine truing apparatus : en fr
  • AU114916B2 - Improvement in dental x-ray package : en
  • CH220312A - Process for coating wires. : de en
  • USD131816S - Design for a pneumatic tire : en
  • SU61066A1 - Core block for making galoshes by pressing : en ru
  • US2278028A - Vehicle headlight : en
  • CH220165A - Dust collector for gasifier. : en fr
  • CH220209A - Process for the preparation of the sodium salt of 4-aminobenzenesulfonacetamide. : de en
  • CH220236A - Front tie with cushioned heel link. : de en
  • CH220447A - Drive device in railway systems. : de en
  • USD131872S - Design fok a medal or similar article : en
  • BE444447A - : en
  • CH220218A - Process for the preparation of a new disazo dye. : de en
  • CH220436A - Pipe coupling. : de en
  • US2277687A - Electrolytic device : en
  • AU114892B2 - Improvements in treatment of wool : en
  • CA403828A - Mercaptan removal from hydrocarbon distillates : en fr
  • CA403830A - Hydrocarbon oil refining process : en fr
  • CA403750A - Portable woodworking machine : en fr
  • DE719039C - Process for the production of bearing bushes or bearing shells : de en
  • CH220323A - Fixed electrode barrier electrode system and process for its manufacture. : de en
  • DE719177C - Electrically heated steam boiler that works according to the electrode principle : de en
  • PL30452B1 - A method of igniting oxygen-evolving cartridges on boiling, and an apparatus for carrying out the method : en pl
  • CH220421A - Process for the preparation of a monoazo dye. : de en
  • AU114928B2 - Improvements in or relating to machines for inking edge portions of workpieces : en
  • US2277943A - Baling block : en
  • CH220307A - Process and tool for joining electrical conductors. : en it
  • US2278307A - Battery post connector : en
  • CA403820A - Phonographic apparatus : en fr
  • CH220254A - Process for producing sound films with mechanical sound writing and an embossing die for carrying out this process. : de en
  • US2277827A - Process of dehydrating magnesium chloride : en
  • US2278060A - Mineral concentration : en
  • US2278168A - Process for breaking petroleum emulsions : en
  • FR871035A - Mechanical pencil with mine tank and pressure feed : en fr
  • PL30398B1 - : en pl
  • BE444465A - : en
  • USD131895S - Design for a suction pump unix : en
  • CH220257A - Regulator device, with balance and hairspring, for timepieces. : en fr
  • AU114927B2 - Improved mechanism for chiming bells or tuned metallic tubes orthe like : en
  • US2278180A - Electric hair drier : en
  • USD131861S - Design fob a brooch ob similab abtjcle : en
  • US2278244A - Toy vehicle : en
  • BE444422A - : en
  • CH220211A - Process for the preparation of organic phosphinous acids. : de en
  • CH220329A - Dismountable high power triode. : de en
  • GB544209A - Improvement in electric motor control systems : en
  • USD131897S - Design for a hat : en
  • USD131881S - Design fok a pin clip : en
  • US2277915A - Twist chain : en
  • CH220395A - AC block relay. : de en
  • FR871042A - Ball joint for connecting rod and skirt piston with expansion zones for internal combustion engines : en fr
  • CA403864A - Valve : en fr
  • US2278249A - Hydraulic control mechanism : en
  • US2278277A - Hosiery and method of making same : en
  • US2277676A - Mop wringer : en
  • US2278092A - Apparatus for the manufacture of mineral wool : en
  • DE719205C - Device for determining the fluid content of a container located on a moving platform, in particular on an aircraft : de en
  • DE719175C - Rectifier arrangement with an ion rectifier tube containing an activated glow cathode heated by the current from a special power source : de en
  • US2277814A - Automobile heating system : en
  • US2278093A - Crystal holder : en
  • DE719246C - Process for the production of water-soluble dyes : de en
  • US2277993A - Averaging device : en
  • DE719151C - Process for the production of highly stressed or specifically light cast bodies : de en
  • GB544229A - Improvements in apparatus for controlling the flow of fluids : en
  • CA403819A - Ultra high frequency oscillator : en fr
  • PL30406B1 - : en pl
  • US2278067A - Sewer cleaner : en
  • PL30410B1 - : en pl
  • USD131817S - Design foe a pneumatic tire : en
  • USD131870S - Design foe a plaque : en
  • AU180441A - Improvements in or relating to refrigerating apparatus : en
  • DE719245C - Current limiter : de en
  • ES148921A1 - A CLOSURE MECHANISM FOR ALL KINDS OF BOXES WITH RELEASE LID : en es
  • US2277738A - Mounting device for oil filters : en
  • DE719148C - Device for adjusting a signal box driven by an adjusting motor as a function of the position of a pulse generator : de en
  • GR9814B - SYSTEM DESTRUCTION SYSTEM OF LIGHT FISHING HOUSES (GRAY-GRAY) OF SEAFISH FISH. : el en
  • GB544219A - Improved process for obtaining fibres, more particularly bast fibres, from vegetablematerials : en
  • US2278027A - Process for concentrating oxidized lead ores : en
  • CH220287A - Injection pump with idle control. : de en
  • ES148896A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • GB544212A - Feed regulating mechanism for sewing machines : en
  • FR871010A - Two-wheeled trailer for motor cars : en fr
  • GB544271A - Improvements in or relating to closures for receptacles : en
  • GB544200A - Improvements in filtering apparatus : en
  • GB544205A - Improvements in polyphase heteropolar inductor machines : en
  • US2277810A - Bearing seal : en
  • DE719114C - Stray field transformer for electric arc welding : de en
  • GR9818B - METHOD FOR DECOLARIZATION OF RECOVERY COTTON OIL. : el en
  • ES148935A1 - IMPROVEMENTS IN THE MANUFACTURE OF ARMED CEMENT BEAMS : en es
  • DE719263C - Lock for storage container : de en
  • FR870937A - Rotary piston compressor eccentrically mounted in the casing and with movable slide separating the delivery chamber from the suction chamber : en fr
  • US2277756A - Method and apparatus for measuring thickness : en
  • US2277767A - Emergency brake control : en
  • DE719137C - Device for cooling the masonry of shaft ovens : de en
  • US2277839A - Internal combustion engine : en
  • USD131878S - Design for a brooch or similar article : en
  • GB544260A - Valve mechanism for power driven rammers and pile drivers : en
  • US2277972A - Lighting device : en
  • US2277751A - Draft control : en
  • US2278005A - Machine for wrapping articles : en
  • US2278274A - Cutter blade holder for triturators : en
  • PL30444B3 - Allgemeine Elektricitats-Gesellschaft, Berlin Transformer with three or more than three phases : en pl
  • USD131896S - Design for a textile fabric ob similar article : en
  • US2278000A - Liquid level control valve : en
  • US2278202A - Manufacture of 3-aryl-aminotetrahydrofuranes : en
  • ES148936A1 - A NEW PROCEDURE TO DRY PLUMS IN STATE RAISES : en es
  • US2277945A - Wrench : en
  • US2278131A - Pump : en
  • FR871030A - Process for the preparation of linear polyamides : en fr
  • FR870943A - Process for preparing acetal and process for extracting the reaction medium : en fr
  • CH220168A - Furniture fittings, in particular for use on couches. : de en
  • CH220201A - Process for the evaporation of waste liquid from cellulose production. : de en
  • US2278153A - Adjustable lingerie buckle : en
  • US2278330A - Multipost line insulator : en
  • US2277930A - Carburetor : en
  • US2278294A - Drainage means for tank roofs : en
  • DE719255C - Valve : de en
  • PL30439B1 - Outdoor steam heater, especially for railway vehicles : en pl
  • GB544240A - Improvements in cleaning devices for tubes : en
  • ES148932A3 - A MECHANISM FOR CHAIRS AND ARMCHAIRS WITH A HEIGHT-ADJUSTABLE OSCILLATING SEAT AND ELASTIC BACK, VARIABLE HEIGHT AND DEPTH : en es
  • ES148912A1 - A PROCEDURE FOR THE MANUFACTURE OF MOLDING, HARDENING PASTES AND PEGIZING PREPARATIONS : en es
  • US2278273A - Glass cutting apparatus : en
  • US2277682A - Brush : en
  • US2278144A - Disk brake : en
  • FR871018A - Operating mechanism for radio-electric receiving devices : en fr
  • ES148930A1 - A MECHANISM INTENDED TO OBTAIN THE SCREENING OF THE DEPOSIT OF LIQUID FUEL AND BURNER IN BURNERS, KITCHENS, STOVES AND SIMILAR : en es
  • FR870947A - Film reel : en fr
  • US2277771A - Oil seal ring for propeller shaft lubrication : en
  • DE719149C - Winding machine for windings in grooves : de en
  • ES148944A3 - IMPROVEMENTS INTRODUCED IN THE DEVICES INTENDED TO GUIDE AND TIGHTEN THE CHAIN OR KNOT FASTENERS : en es
  • DE719282C - Application of the electromotive single drive of gear hobbing machines according to patent 666052 on gear hobbing machines of a different design : de en
  • US2277670A - Spark arrester : en
  • US2277923A - Combined washing machine and drier : en
  • US2278105A - Knitting machine : en
  • DE719206C - Optical projector system : de en
  • DE719153C - In the interior of the building there is a darkening device, in particular for saw roofs with flaps pivoted about horizontal axes : de en
  • DE719280C - Arrangement for interference suppression by decoupling the ignition circuits of internal combustion engines that emit interference : de en
  • FR870907A - Measuring or indicating device : en fr
  • GB544214A - Improved attachment for stirrup pump : en
  • DE719059C - Process for the production of sulfur-containing organic compounds : de en
  • CA403863A - Nozzle for concrete projection apparatus : en fr
  • SU60973A1 - Radio lamp : en ru
  • CA403877A - Electrode for secondary batteries : en fr
  • CH220272A - Machine tool. : de en
  • CH220380A - Drive unit for motor vehicles with rear engine. : de en
  • CA403727A - Slide fastener stop : en fr
  • PL30442B1 - : en pl
  • US2278167A - Process for breaking petroleum emulsions : en
  • BE444590A - Polyamide manufacturing process : en fr
  • USD131791S - Design for a clothes hanger : en
  • US2278112A - Hair drying appliance : en
  • US2278332A - Breast pocket and foundation garment : en
  • USD131887S - Design for a pest clip : en
  • AU114908B2 - Rubber press pads : en
  • SU61148A1 - Device for checking curved track sections : en ru
  • US2277996A - Spreader and dispenser of bobby pins : en
  • US2277875A - Car seat : en
  • CH220171A - Device for preventing the milk from overflowing during boiling. : de en
  • US2277905A - Radio direction finder : en
  • US2278183A - Calculating machine : en
  • DE719316C - Torque meter with rubber measuring body : de en
  • GB544127A - Process for the manufacture of butadiene : en
  • CA403821A - Container closure : en fr
  • CH220217A - Process for the production of a new azo dye. : de en
  • CH220334A - Metallurgical furnace. : en fr
  • US2277757A - Sotting foe gas btoners : en
  • US2277925A - Weight indicator : en
  • GB544125A - Improvements in or relating to the purification of atmosphere or gas, particularly in apparatus for respiration : en
  • DE719166C - Device for driving the fan of a dedusting device for a bast fiber line or another machine : de en
  • CH220351A - Process for the preparation of the diethylamino-acetyl -2-methyl-naphthohydroquinone- (1,4) -dichlorohydrate. : de en
  • SU61110A1 - Device for remote control using a code whose neighboring signals have different qualitative characteristics : en ru
  • US2277911A - Spark plug cleaner : en
  • US2277921A - Heat exchange unit : en
  • US2278032A - Apparatus for cutting filaments into staple lengths : en
  • US2277772A - Electricallly heated wearing apparel : en
  • US2277873A - Pressure tank sprinkler system : en
  • USD131854S - Design for a brooch pin or similar article : en
  • US2277867A - Electromagnetic self-interrupter : en
  • SU60978A1 - Method for determining conductivity and dielectric constant of soil : en ru
  • US2277660A - Process for preserving wood : en
  • DE719232C - Winch with lowering brake for compensation cranes : de en
  • CH220402A - Process for the production of structures from cellulose xanthate. : de en
  • US2278158A - Coated abrasive : en
  • US2278226A - Fluid cooler : en
  • US2278363A - Conveyer mounting : en
  • USD131893S - Design for a valve : en
  • DE719278C - Air-compressing internal combustion engine for dusty fuels with a pre-combustion chamber : de en
  • DK59605C - Method for the manufacture of articles which are permanently resistant at temperatures up to approx. 800 ° C. : da en
  • DE719378C - Method and device for automatic temperature control in thermal fens : de en
  • CH220406A - Process for the preparation of an oxyarylsulfone. : de en
  • US2278015A - Airplane stabilizer : en
  • US2277667A - Pattern marker : en
  • US2278172A - Telephone system : en
  • US2277797A - Multiple section flat knitting machine : en
  • US2277963A - Car truck : en
  • US2277752A - Article of furniture : en
  • USD131853S - Design for a bracelet : en
  • GB544222A - Optical projection apparatus for facilitating inspecting, measuring or comparing contours : en
  • GB544197A - Improved manufacture of refractory materials : en
  • DE719248C - Process for the processing of carbonic acid and sulfur-containing lime masses, especially in the form of lime moldings : de en
  • US2278148A - Sludge collecting means for filters : en
  • US2278246A - Valve and the like : en
  • CA403838A - Railway car end : en fr
  • CH220169A - Carrying handle with strap on cookware. : de en
  • GB544210A - Needle-vibrating mechanism for sewing machines : en
  • GR9817B - AQUATIC IMPROVEMENTS. : el en
  • US2277766A - Hosiery : en
  • CA403800A - Voltage regulating relay : en fr
  • CH220204A - Process for the preparation of alcohols of the acetylene series. : de en
  • DE719307C - Machine for practicing the method of planing or the like of leather : de en
  • FR870962A - Device for monitoring the position of a body moving in space : en fr
  • GB544217A - Hyposcope for viewing simultaneously forwards and backwards : en
  • ES144220A1 - A sewing machine : en es
  • US2277691A - Apparatus for lamp manufacture : en
  • US2278406A - Striker-actuating mechanism for audible signals : en
  • US2277832A - Slide fastened trouser fly construction : en
  • US2278337A - Clamp : en
  • USD131814S - Design for a building block : en
  • US2277666A - Splash guard : en
  • US2278013A - Dispensing apparatus : en
  • CA403766A - File receptacle divider : en fr
  • CA403764A - Weighing scale : en fr
  • US2277881A - Shock absorbing mechanism : en
  • US2278052A - Bottle vending machine : en
  • BE444546R - Sulphonic acids or ethers salts of sulfuric acid and process for preparing these products : en fr
  • CH220308A - Plug pin for plug contact. : de en
  • US2278326A - Eyecup : en
  • US2278237A - Counting device : en
  • PL30407B1 - Junkers Flugzeug- und Motorenwerke Aktiengesellschaft, Dessiu Tin combustion chamber, intended for the propulsion systems of the aircraft : en pl
  • US2277920A - Curtain drier : en
  • US2278349A - Combined contour making and leveling machine : en
  • USD131846S - Design for a sewing machine frame : en
  • US2277753A - Art of rayon manufacture : en
  • US2278033A - Nonclogging, self-cleaning apparatus : en
  • US2278120A - Elevator control system : en
  • US2277715A - Combined keyboard tape transmitter : en
  • DE719229C - Ceramic insulating body for holding highly stressed heating resistors : de en
  • ES148897A1 - PRODUCER : en es
  • GB544272A - Improvements in or relating to sponge rubber cleansing articles : en
  • CA403858A - Remote control mechanism : en fr
  • US2277884A - Marking machine : en
  • US2277989A - Method and apparatus for drilling wells : en
  • US2277674A - Shipping container : en
  • US2277700A - Compensating indicator : en
  • AU75241A - Process for the manufacture of new salts of benzensulphamide derivatives : en
  • US2278084A - Indicating device : en
  • DE719150C - Process for the preparation of monoazo dyes : de en
  • ES143924A2 - IMPROVEMENTS IN THE PATENT 143484 : en es
  • US2278402A - Control apparatus : en
  • DE719327C - Wire mesh with reinforcement wires : de en
  • CH220297A - Device for freezing food. : de en
  • CA403729A - Dual wheel assembly : en fr
  • DE719269C - Elastic shoulder insert made of stiffening material : de en
  • CA403840A - Refrigerator car : en fr
  • CH220273A - Apparatus for the determination and comparison of colors. : en fr
  • GB544137A - Improvements in and relating to compound sheet materials and objects produced therefrom : en
  • PL30415B1 - : en pl
  • USD131865S - Design for a brooch or similar article : en
  • AU114911B2 - Improvements in or relating to surgical elastic bandages : en
  • USD131802S - Design fob. a clock case : en
  • CH220192A - Electrically heated clothing and processes for making them. : de en
  • CH220349A - Process for the production of a hair and skin care product. : de en
  • CH220206A - Process for the production of testosterone benzyl enol ether. : de en
  • US2277785A - Wringer : en
  • US2278240A - Coil unwinder : en
  • AU286541A - Improvements in or relating to blocking-layer cells comprising one or more grids : en
  • USD131839S - Design for a shoe or similar article : en
  • US2277801A - Labeling and stamping machine : en
  • DE719313C - Mobile scaffolding that can be erected using Nuernberger Scheren : de en
  • ES148876A1 - A SUSPENSION STABILIZER SYSTEM FOR VEHICLES : en es
  • FR870982A - Special composition glass : en fr
  • USD131824S - Brooch or similar article : en
  • ES148883A1 - A NEW TYPE OF SMALL FOAM EXTINGUISHER : en es
  • US2278189A - Heater : en
  • US2278398A - Mixing device : en
  • DE719191C - Loudspeaker system for unmuffled or weakly dampened rooms : de en
  • USD131843S - Combination displaying and storing unit for bottled goods or the like : en
  • US2278323A - Centrifugal speed control : en
  • PL30462B1 - / U K P B : en pl
  • US2277887A - Condensation process of the formaldehyde-acetaldehyde type : en
  • US2278134A - Recovery of antimony : en
  • CA403848A - Air conditioning system : en fr
  • GB544159A - Improvements in resilient padding for ironing boards, pressing machine bucks and rolls and the like : en
  • CA403835A - Pipe swaging machine : en fr
  • DE719106C - Card index with boxes arranged one above the other : de en
  • PL30464B1 - Ambi-Budd Presswerk Gesellschaft mit beschrankter Haftung *), Berlin Vehicle frame or bodywork : en pl
  • BE444669A - : en fr
  • CA403771A - Temperature compensating meter : en fr
  • US2277707A - Electrical impedisivity or resistivity measuring : en
  • US2278125A - Food mixer : en
  • USD131855S - Design for a brooch pin ob similar article : en
  • CH220227A - Negative plate for reproduction by printing and manufacturing process of this plate. : en fr
  • AU114891B2 - Improvements in or relating to milking machines : en
  • CA403841A - Refrigerator car : en fr
  • US2277719A - Machine for making plaitings : en
  • CH220225A - Mechanics on folders. : de en
  • CA403861A - Snow car : en fr
  • CA403871A - Removable rock drill bit : en fr
  • CH220258A - Movable pillow block bearing mainly, but not exclusively, for clockwork balance pivots. : en fr
  • CH220373A - Extendable column stand. : de en
  • CH220440A - Cold exchanger. : de en
  • US2278319A - Antibite clip : en
  • US2277677A - Machine for winding balls : en
  • US2278023A - Contraction joint : en
  • CH220256A - Talking machine for the automatic playing of several records one after the other. : de en
  • US2277942A - Welding apparatus : en
  • DE719341C - Cloth laying machine with built-in measuring drum : de en
  • FR871001A - Improved process used in the manufacture of wooden planters, wastepaper baskets, umbrella stands and other similar items : en fr
  • DE719276C - Device for depositing rayon threads : de en
  • ES143811A1 - Improvements in respiratory protective oxygen devices, constituted by a withdrawal signal. : en es
  • US2278132A - Measuring and control instrument : en
  • USD131894S - Design foe an air compressor : en
  • US2277829A - Driving mechanism : en
  • US2278252A - Condition control system and apparatus : en
  • ES143681A1 - A process for the alkylation of paraffinic hydrocarbons. : en es
  • ES148882A1 - A DEVICE TO USE, FOR HEATING PURPOSES, THE EXHAUST ENGINE EXHAUST GASES : en es
  • US2277833A - Higher alkyl substituted phenothioxins : en
  • US2278276A - Steam pressure cooker : en
  • US2277929A - Perpetual inventory device : en
  • USD131847S - Bracelet or similar article : en
  • CH220266A - Welding electrode made of carbon with a reduced cross-section at the working end for resistance welding of thin sheets. : de en
  • US2277966A - Control lever for farm implements : en
  • US2278223A - Manufacture of catalysts : en
  • CH220296A - Process for cooling respectively. Freezing of refrigerated goods and equipment for cooling or freezing for carrying out the process. : de en
  • USD131792S - Design for an electric food mixer : en
  • BE444578A - Process for obtaining substitutes for peppery spices : en fr
  • US2277739A - Handle : en
  • US2278034A - Nonclogging, self-cleaning automatic trap for sinks, lavatories, etc. : en
  • USD131876S - Design for an infant s play suit : en
  • US2278087A - Means for actuating electrically controlled mechanisms : en
  • AU114899B2 - Improvements in or relating to refrigerating apparatus : en
  • AU114901B2 - Processing with nonstaining compounds : en
  • US2278230A - Electromagnetic relay : en
  • US2278206A - Deicing means for aircraft : en
  • GB544211A - Needle-vibrating mechanism for sewing machines : en
  • USD131810S - Design fob a dutch doll souvenir tea bell : en
  • US2277702A - Slide suspension : en
  • US2277916A - Coin collecting means : en
  • ES142823A3 - Additional radiation protection system for ignition magnets for internal combustion engines. : en es
  • DE719312C - Temperature regulator for systems heated by flowing means : de en
  • CA403796A - Exhaust steam injector : en fr
  • US2277689A - Dielectric compositions : en
  • US2277786A - Pressure hose : en
  • CH220444A - Process for the preparation of an unsaturated derivative of pregnane-3.20-dione. : de en
  • CA403822A - Thermionic gaseous discharge rectifier : en fr
  • DE719226C - Arrangement to reduce the influence of mains voltage fluctuations on the voltage supplied by a rectifier and at the same time to achieve a certain characteristic that deviates from the natural voltage current characteristic of the rectifier arrangement : de en
  • US2277831A - Automatic lock slider for slide fasteners : en
  • DE719118C - Process for the uninterrupted coating of a steel strip with a copper lead alloy : de en
  • PL30465B1 - Magdeburger Werkzeugmaschinenfabrik G, m. B. H., Magdeburg * Lathe, containing sleeves movable longitudinally on fixed guide rollers, in which knife holders are embedded : en pl
  • CA403768A - Electrical switching apparatus : en fr
  • DE719325C - Smooth roller mill : de en
  • US2278177A - Communication system : en
  • US2277728A - Soap : en
  • US2277980A - Locomotive rod bearing : en
  • DE719277C - Vacuum cleaner of horizontal design on skids : de en
  • GB544174A - Improvements in and relating to pulverising mills : en
  • US2277761A - Hydraulic pumping apparatus : en
  • US2278348A - Mounting of windows and like panels : en
  • PL30461B1 - ArgUS Motoren Gesellschaft m. B. H., Berlin-Reinickenddrf Junction to the hose : en pl
  • USD131864S - Design for a brooch or similar article : en
  • US2277912A - Resistor : en
  • CA403804A - Meat canning apparatus : en fr
  • CA403738A - Friction coupling : en fr
  • CH220180A - Drafting system with adjustable pressure roller holder. : de en
  • AU148741A - Improved silencer for tramway switch tongues and the like : en
  • BE444416A - Process for intensifying the whites and brightness of the surface coloring of photographic images : en fr
  • CH220141A - Process for promoting the growth of mushrooms and device for carrying out the process. : de en
  • CH220220A - Process for the production of an acidic wool dye. : de en
  • CH220303A - Charcoal collector for electrical machines. : de en
  • CH220343A - Process for the preparation of 2- (para-amino-benzenesulfamido) -thiazol. : en fr
  • CH220404A - Process for the preparation of a new derivative of a heterocyclic compound. : de en
  • PL30466B1 - : en pl
  • CA403740A - External combustion motor : en fr
  • US2278078A - Chair : en
  • USD131794S - Design for a textile fabric : en
  • US2278002A - Liquid level responsive valve : en
  • US2278147A - Aircraft : en
  • US2278081A - Leveling mechanism : en
  • GB544237A - Improvements in or relating to means for supplying heated air to furnace and the like fires : en
  • GB544238A - Improvements in and relating to pulleys, wheels or like members : en
  • CA403743A - Catalyst : en fr
  • CH220214A - Process for the preparation of 2-methyl-4-ethoxymethyl-5-cyano-6-chloropyridine. : de en
  • CA403757A - Conveyer control device : en fr
  • CH220401A - Multi-engine airplane. : de en
  • US2277892A - Flooring construction : en
  • US2277686A - Apparatus for perforating and cleaning cigars : en
  • US2278215A - Combined land and marine vehicle : en
  • US2278218A - Canopy for supporting luminaires : en
  • SE104156C1 - : en
  • US2278070A - Auxiliary tread for dual wheel assemblies : en
  • US2277747A - Artificial textile materials, etc. : en
  • US2277834A - Binder : en
  • USD131832S - Jewelry component or similar article : en
  • US2277791A - Wall panel : en
  • US2278195A - Vacuum gauge : en
  • US2278235A - Mold culture : en
  • BE444348A - : en
  • US2278170A - Process for breaking petroleum emulsions : en
  • US2278370A - Steam pressing iron : en
  • US2277974A - Heating device : en
  • GR9821B - LEG MIXED FOOD. : el en
  • CA403823A - Outer garment : en fr
  • CH220187A - Process for the preparation of an impregnation bath. : de en
  • US2277971A - Sewing machine : en
  • AU114923B2 - Improvements relating to vibrating screens : en
  • US2277770A - Molded back part : en
  • US2278057A - Electric switch, connector, and the like : en
  • US2278139A - Motor : en
  • US2278357A - Identification apparatus : en
  • CA403852A - Cinematographic apparatus : en fr
  • PL30423B1 - Westfalia Dinnendahl Groppel Aktiengesellschaft, Bochum Screw hopper, especially for haulage of spoil in mines : en pl
  • US2278199A - Means for smoothing the linings of shoes : en
  • US2278369A - Laminated glass : en
  • US2278313A - Valve : en
  • CH220361A - Telephone. : de en
  • BE444539A - : en
  • AU383640A - Improvements in or relating to milking machines : en
  • AU220441A - Processing with nonstaining compounds : en
  • CA403732A - Vehicle seat frame : en fr
  • CA403857A - Vertical retort setting for coal carbonization : en fr
  • DE719309C - Device for the production of? : de en
  • FR870991A - Electric switch specially designed for operations exposed to firedamp or explosive gases : en fr
  • FR870911A - Process for producing color photographic and cinematographic images : en fr
  • US2277906A - Phase indicator : en
  • US2278038A - Two-cycle engine : en
  • FR870919A - Improvements to mixers for gas engines : en fr
  • FR871014A - Winding with split sections, with switchable poles, for electrical machines : en fr
  • AU385540A - Improvements in treatment of wool : en
  • CH220237A - Game machine with balls that can move freely on a game table top. : de en
  • DE719041C - Process for the color development of silver halide images : de en
  • CA403799A - Magnesium production : en fr
  • CH220164A - Dust firing. : de en
  • DE719291C - Device for drawing thin-walled sheet metal blanks : de en
  • CH220282A - Electromagnetically adjustable valve. : de en
  • FR870979A - Advanced electromechanical razor : en fr
  • CA403856A - Blank cutting machine : en fr
  • USD131793S - Design for a combined candle and holder or the like : en
  • USD131837S - Design for a sewing machine frame : en
  • GB544184A - Improvements in apparatus for winding skeins of yarn : en
  • CH220299A - Heat exchanger. : de en
  • PL30431B3 - : en pl
  • CH220157A - Process for the production of electrically heated bodies, such as rigid bodies and flexible webs, in particular webs of fabric. : de en
  • DE719242C - Installation on AC vehicles : de en
  • CH220176A - Process for the manufacture of artificial textile fibers based on casein. : en fr
  • US2278229A - Refrigeration : en
  • US2277803A - Christmas tree holder : en
  • US2278251A - Transmission system : en
  • USD131838S - Design for a glove : en
  • US2277857A - Voting machine : en
  • US2278378A - Refrigeration : en
  • ES143836A1 - A procedure to increase the anti-knock characteristics of hydrocarbon oils. : en es
  • ES148914A1 - SEWING MACHINE SHOES : en es
  • CH220147A - Reinforced concrete element for a monolithic construction. : en fr
  • AU311641A - An attachment for cotton and the like spools : en
  • PL30425B1 - A method of producing fibers from synthetic organic multi-polymers : en pl
  • GB544191A - Manufacture of azo pigments : en
  • GB544257A - Improvements in methods of riveting : en
  • DE719051C - Process for the production of rock wool : de en
  • USD131889S - Design for a pin clip : en
  • US2278079A - Lag voltage controller and discharge lamp circuit : en
  • US2278214A - Record rack : en
  • FR871008A - Method for generating sawtooth currents for deflecting cathode rays : en fr
  • DE719253C - Spring valve for fuel injection pumps of internal combustion engines : de en
  • US2277699A - Indicating device : en
  • US2277775A - Inductance device : en
  • US2278160A - Braking mechanism : en
  • BE444564A - : en
  • CA403803A - Meat canning process : en fr
  • CH220177A - Process for the production of spinning solutions from a cellulose-containing raw material. : de en
  • CH220382A - Speed change transmissions for automobiles. : de en
  • CH220338A - Device for inserting tampons made of absorbent material into the vagina. : de en
  • FR870964A - Ignition and lighting magneto-flywheel : en fr
  • ES143011A2 - IMPROVEMENTS IN THE MAIN : en es
  • ES143014A1 - A procedure for obtaining very valuable lubricating oils. : en es
  • CH220445A - Process for the preparation of an ethylene derivative. : de en
  • ES143997A1 - A process for the production of hydrocarbons with high anti-knock and boiling power within the boiling order of motor fuels. : en es
  • FR871016A - Improvements in color photography : en fr
  • FR870905A - Optical transmission indication or control device : en fr
  • BE444513A - : en fr
  • SU61112A1 - Glass Jar Rejecting Machine : en ru
  • SU61123A1 - Device for indicating road irregularities : en ru
  • US2277736A - Dielectric material and method of making the same : en
  • US2278128A - Desulphurized polysulphide polymer and process of making : en
  • GB544163A - Improvements in or relating to automatic regulators to control the temperature-time cycle in heating or cooking plants or the like : en
  • PL30419B1 - Ceska zbrojovka, akciova spolecnost v Praze, Strakonice Removable rear wall of the breech chamber of automatic repeating firearms : en pl
  • DE719298C - Arrangement for the construction of a jack field with crossing conductors in switching devices in telecommunication systems : de en
  • US2278193A - Return runway for bowling balls : en
  • DE719162C - Torsion bar suspension, especially for caterpillar vehicles : de en
  • FR871038A - Claw for cinematographic devices : en fr
  • FR871044A - Multi-conductor flexible cable for high currents, without a lead jacket, and having an insulator of rubber or other similar material, for voltages which are below the ionization limit : en fr
  • FR870970A - Envelope for transport bottles : en fr
  • FR871011A - Reel for film development : en fr
  • US2277914A - Gearshifting mechanism : en
  • ES148923A3 - A PROCEDURE FOR THE REGENERATION OF ELECTRIC INCANDESCENCE LAMPS : en es
  • GB544261A - Improvements in or relating to tyre valves : en
  • DE719171C - Bearing system free of night effects : de en
  • DK59610C - Apparatus for Indicating Temperature Changes in Enclosed Rooms. : da en
  • GB544164A - Improvements relating to ambulance stretchers : en
  • PL30405B1 - A method for obtaining zinc by reduction - and an apparatus for carrying out this method : en pl
  • US2278179A - Synchronous motor control system : en
  • US2278217A - Securing device utilizing the resilient distortion and incompressibility of rubber : en
  • DE719261C - Jet nozzle consisting of a jacket and wear-resistant lining for conveying grainy material : de en
  • US2277745A - Gearshift control : en
  • US2278004A - Pressure regulating valve : en
  • FR871015A - Lady for tamping concrete and other solid material with a granular or pasty structure : en fr
  • DE719353C - Shaft gap seal for glandless centrifugal pumps : de en
  • GB544204A - Improvements in or relating to ventilators : en
  • DE718907C - Plate-shaped electrical capacitor : de en
  • DE719235C - Steering device for caterpillar vehicles with more than two caterpillar tracks assigned to the corner points of a support surface of the chassis : de en
  • CA403788A - Adhesive compound : en fr
  • CH220183A - Dishwasher. : de en
  • CH220280A - Device for quickly connecting two sections of a pressurized fluid line. : en fr
  • GB544169A - Improvements in or relating to electric motor controllers : en
  • US2277935A - Clamp applying machine : en
  • US2278243A - Screw press : en
  • AU114913B2 - Improvements in or relating, to safety razors : en
  • CA403853A - Wire connector : en fr
  • US2278261A - Voltage regulator : en
  • US2277722A - Plaiting : en
  • US2278071A - Hose clamp : en
  • DE719198C - Process for the production of water-soluble leuco esters of connectable compounds : de en
  • FR870923A - Shoe : en fr
  • GB544252A - Improvements in or relating to the manufacture of non-detonating fuzes for blasting and similar purposes : en
  • US2277854A - Colloidal tertiary calcium phosphate : en
  • US2277909A - Arc welding system : en
  • USD131801S - Design for a clock case : en
  • AU114930B2 - Improvements in and connected withthe cooling of beer or other like liquids : en
  • GB544160A - Improvements in luminescent materials : en
  • GB544183A - Improvements in and relating to edge trimming means for use with advantage in rotary printing presses and the like : en
  • CH220424A - Process for the preparation of a tetrakisazo dye. : de en
  • DE718901C - Monitoring of short circuits on high voltage rectifiers : de en
  • DE719188C - Filter plate : de en
  • GB544177A - Improvements in electric glass-melting furnaces : en
  • GB544178A - Discharge orifice for glass melting furnaces : en
  • US2277765A - Picture stand : en
  • US2278201A - Dynamometer : en
  • US2278351A - Change-speed transmission and control therefor : en
  • SU61050A1 - Conveyor-type sectional press for hot vulcanization or for the vulcanization of bottom shoes : en ru
  • US2277688A - Packaging machine : en
  • US2278386A - Method of making brake beams : en
  • US2278083A - Container protecting cushion and/or container : en
  • DE719213C - Elastic coupling : de en
  • DE719231C - Milk can drainer : de en
  • CH220263A - Waterproof watch box. : en fr
  • ES148891A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE PATENT : en es
  • GB544193A - Improvements in or relating to steam generating and superheating installations : en
  • US2278356A - Mounting for electrical connectors : en
  • GB544140A - Electrical wave filters including trap circuits : en
  • GB544194A - Improvements in tail-stocks for precision grinding machines or lathes : en
  • DE719167C - Soap-free detergents : de en
  • DE719174C - Liquid switch with two separating points in series in a deletion chamber : de en
  • CA403795A - Exhaust steam injector : en fr
  • CH220415A - Process for the preparation of a new disazo dye. : de en
  • ES143028A1 - Improvements in tubular tires. : en es
  • CH220149A - Shutter. : de en
  • CH220331A - Pumpless power converter assembled with a fan. : de en
  • ES143212A1 - A method for manufacturing the heat generating elements to obtain permanent waving of the hair. : en es
  • GB544247A - Improvements in the manufacture of rolling bearings : en
  • US2278342A - Exposure register : en
  • DE719121C - Process for the production of chromium-nickel and chromium-nickel-iron alloys : de en
  • US2278316A - Grate structure : en
  • DE719131C - Flour dusting device consisting of roller brushes for baked flat bread cakes : de en
  • US2278138A - Rotary intaglio printing press : en
  • DE719331C - Device for brewing and washing beef stomachs : de en
  • US2278343A - Galvanometer : en
  • US2278311A - Sheet metal nibbling tool : en
  • FR870903A - Process for producing photographic views : en fr
  • GB544244A - Improvements in or relating to devices or systems for constituting a running track or surface for vehicles : en
  • ES148888A3 - A PROCEDURE FOR MANUFACTURING A GENDER OF CHAIN KNIT CROSSED BY RUBBER CHAIN THREADS WITH A SINGLE ROW NEEDLE CHAIN LOOM : en es
  • FR870989A - Device for loading shaft furnaces, in particular blast furnaces : en fr
  • USD131871S - Design for a brooch or similar article : en
  • BE444659A - Machine for the double certification of tickets, invoices and other similar documents bearing a control coupon : en fr
  • CH220405A - Process for the preparation of a derivative of a thio compound of a phenol. : de en
  • US2277725A - Decorating metallic surfaces : en
  • US2278040A - Turbine blading : en
  • ES148901A3 - A PROCEDURE FOR THE MANUFACTURE OF A MEDIA OR ELEMENT FOR TRANSMISSION BETWEEN RIBBED PULLEYS : en es
  • ES148928A3 - A MECHANICAL PROCEDURE FOR CUTTING THE BASES OF THE CLOSURES OR CLAMPS : en es
  • DE719108C - Transformerless universal receiver : de en
  • DE719204C - Method for producing edge reinforcements on components made from synthetic resin layers : de en
  • FR870965A - Process for preparing mono-chlorinated and mono-brominated methane or dibrominated methane : en fr
  • FR870938A - Liquid anode and cathode tank for aluminum refining : en fr
  • ES148946A3 - ELECTRIC WEIGHING MACHINE : en es
  • ES143717A1 - A procedure for the isomerization of paraffins. : en es
  • ES148927A3 - A MECHANICAL PROCEDURE FOR CLASSIFYING FEMALE CLOSURES OR PRESSURE BRACES : en es
  • US2277808A - Rail and tie assembly and method of making : en
  • US2277809A - Signaling wave generator : en
  • FR870988A - Method for binding bales of straw, fodder and the like : en fr
  • FR870980A - Method for increasing the possibility of light sensitization of pseudocyanin dyestuffs : en fr
  • PL30454B1 - : en pl
  • ES148906A1 - IMPROVEMENTS ENTERED IN A MACHINE TO SHARPEN SAW TAPES : en es
  • US2278228A - Hydrocarbon conversion : en
  • GB544242A - Improvements relating to fuel injectors with electro-magnetic control for internal combustion engines : en
  • GB544182A - Improvements in cushion or mattress or the like : en
  • US2278286A - Cathead safety device : en
  • GB544215A - A process for preparing mono-aminobenzenesulphamidothiazole derivatives : en
  • GR9822B - HOW TO PREVENT AVIATION ACCIDENTS. : el en
  • DE719036C - Process for increasing the accuracy of regular gray-tone scales : de en
  • DE719158C - Device for generating the necessary heat for the gas used to evaporate toxins in pest control : de en
  • DE719305C - Star piston compressor or engine : de en
  • US2277784A - Night driving light for automobile interiors : en
  • US2278268A - Washing apparatus : en
  • FR871027A - electric heating element : en fr
  • DE719355C - Flat shaped piece for the production of a gas protective mask : de en
  • US2277970A - Sewing machine : en
  • US2278063A - Frequency modulation system : en
  • PL30403B1 - A method for the production of artificial leather or other coverings by impregnating the fiber fleece with binding agents in the form of foam and an apparatus for carrying out this method : en pl
  • US2277830A - Transmission shifting mechanism : en
  • US2278020A - Process of separating chalcocite ore : en
  • DE719371C - Fabric strand washing and spreading device : de en
  • GB544231A - Improvements in fastenings for attaching electric torches to the person : en
  • DE719299C - Adjustable electrical throttle for metal vapor lighting systems : de en
  • US2278059A - Free-flowing sodium nitrite product and method of preparation : en
  • CH220434A - Electricity meter with timer. : de en
  • US2278155A - Method of making heat exchangers : en
  • USD131875S - Design foe an aib compressor : en
  • FR871009A - Process for preparing soluble condensation products from thiourea and acrolein : en fr
  • US2278114A - Photomechanical process : en
  • ES148892A1 - A PROCESS FOR THE MANUFACTURE OF MOLDED CERAMIC MASS BODIES WITH A HYDRAULIC PRESS OPERATED BY A LOADING BOX THAT PERFORMS A MOVEMENT OF VAIVEN ON THE PRESSING PLATFORM : en es
  • US2277842A - Asphalt and process for producing the same : en
  • FR870933A - Connection of the sets of axle components with a chassis comprising, in particular, two tubular side members : en fr
  • FR871026A - Baby trolley : en fr
  • CH220377A - Equipment on vehicles for tilting the loading bridge. : de en
  • US2278262A - Counterweight mechanism for drill spindles : en
  • USD131829S - Combination sleeping couch and cabinet or like article op furniture : en
  • GB544190A - Quinoline derivatives : en
  • CH220340A - Leg support frame. : de en
  • FR870906A - Copy machine : en fr
  • FR870997A - Method and tool for manufacturing seamless hollow bodies with longitudinal ribs : en fr
  • US2278391A - Combination window shelf and flowerpot support : en
  • US2277985A - Hydraulically actuated hone : en
  • US2278216A - Machine tool : en
  • CA403831A - Mercaptan removal from hydrocarbon distillates : en fr
  • USD131888S - Design for a pin cup : en
  • US2277858A - Electronic discharge device : en
  • CH220286A - Starting device on internal combustion engines. : de en
  • DE719286C - Card, especially for rayon : de en
  • US2277724A - Apparatus for cleaning rolls : en
  • US2278031A - Directional indicating device : en
  • USD131890S - Design for a knitted fabric : en
  • USD131892S - Design fob a tractor cab : en
  • CA403746A - Engine ignition lock : en fr
  • US2278209A - Knitting bag frame : en
  • US2277894A - Electrode holder : en
  • CA403815A - Hose clamp : en fr
  • CH220305A - Electric cable for the transport of energy and method for its manufacture. : en fr
  • CH220390A - Device for readjusting pull cables, in particular for actuating brakes. : de en
  • CA403737A - Wind electric machine blade governor : en fr
  • CA403808A - Pipe wrapping machine : en fr
  • CA403832A - Caustic alkali solution regeneration : en fr
  • US2278165A - Process for breaking petroleum emulsions : en
  • CH220148A - Insulating foil connected to a carrier. : de en
  • US2277731A - Means for silencing receivers during operation of transmitters : en
  • US2277861A - Process for the preparation of diamidine derivatives : en
  • CH220215A - Process for the production of a new azo dye. : de en
  • CH220392A - Wheeled vehicle with hand and foot drive. : de en
  • US2277962A - Vehicle air conditioner : en
  • USD131850S - Design for an air compressor : en
  • ES143179A1 - A procedure, with its inherent device, for obtaining pure alcohol. : en es
  • US2278088A - Key holder : en
  • US2278127A - Polysulphide polymeric product : en
  • US2278292A - Game ball : en
  • US2278383A - Display device : en
  • US2278359A - Box : en
  • CA403839A - Refrigerator car : en fr
  • CA403843A - Air conditioning system : en fr
  • CH220348A - Process for producing a chroman compound. : de en
  • US2277754A - Sorting of yarn packages : en
  • US2278333A - Faller wire for stop motions : en
  • USD131797S - Design for a plastic finger ring : en
  • US2278156A - Bag : en
  • CH220391A - Gear change device. : en fr
  • AU114905B2 - Improvements in or relating to blocking-layer cells comprising one or more grids : en
  • CA403728A - Barbed wire manufacture : en fr
  • US2278288A - Gang punch : en
  • US2277718A - Sludge treatment : en
  • CH220400A - Device for the hydraulic adjustment of the blades of propellers, in particular propellers. : de en
  • BE444391A - Device for the automatic elimination of loops or deformations of the rolled product in continuous rolling trains with motors supplied individually by means of current rectifiers with vapor or gas discharge path with polarized grid : en fr
  • CA403801A - Directional signal switch : en fr
  • US2277937A - Method of producing bas-relief on pile fabrics : en
  • US2278298A - Structure for use in trimming cattle hoofs : en
  • CH220386A - Vehicle tires made of cork. : de en
  • CH220393A - Control installation of the gearbox of a rail vehicle with an internal combustion engine. : en fr
  • US2278279A - Warning signal for cooling systems of automobiles : en
  • US2278377A - Tap stud or the like : en
  • PL30397B1 - : en pl
  • US2278007A - Coin controlled amusement apparatus : en
  • US2278085A - Apparatus for vapor condensation : en
  • FR870984A - Improvements to discharge lamp circuits : en fr
  • FR871023A - Winding with switchable poles : en fr
  • GB544146A - Relustring cellulose acetate rayon : en
  • CH220293A - Process for achieving the air exchange in a cyclic process for thermal machines, such as gas turbines, gas-operated heat pumps and refrigeration machines, carried out by means of a cellular wheel. : de en
  • CA403776A - Luminaire : en fr
  • CH220318A - Method and device for protecting a power transmission system and for maintaining its operation in the event of a short circuit between two network conductors. : de en
  • CH220439A - Automatic regulator, especially speed regulator. : de en
  • DE719221C - Hair clipper for bald cuts : de en
  • PL30448B3 - Allgemeine Elektricitats-Gesellschaft, Berlin HO.U '^ 0 Transformer with three or more than three phases : en pl
  • US2278089A - Form for septic tanks : en
  • US2278382A - Suction nozzle : en
  • CH220300A - Process for the production of a solid electrolyte for accumulators. : de en
  • PL30449B3 - : en pl
  • US2278285A - Stabilized cellulose yarns and method of preparing same : en
  • USD131879S - Design fob a dress : en
  • GB544225A - Improvements in electric discharge tubes comprising secondary emission electrodes : en
  • CA403851A - Cinematographic film registration : en fr
  • CH220242A - Slingshot device for locking self-loading firearms. : de en
  • CH220249A - Recording device with writing disc. : de en
  • SU61119A1 - Device for automatically controlling the speed of a shaft hoist : en ru
  • US2277871A - Hermetic seal : en
  • SU61116A1 - Software Tracking Device : en ru
  • US2278388A - Slide fastener : en
  • CH220231A - Method and device for operating duplicating apparatus, in particular for office purposes. : de en
  • DE719354C - Device for lateral vertical positioning of motorized turntable ladders : de en
  • CH220167A - Seating and reclining furniture that can be used as a bed. : de en
  • US2278140A - Pack handling apparatus : en
  • US2277685A - Headlight, especially for automobiles and similar vehicles : en
  • US2277845A - Flexible thermostat control : en
  • US2278143A - Leaf holder : en
  • USD131822S - Design fob a dress : en
  • US2278358A - Remote control system for toys : en
  • CA403770A - Whey processing and product : en fr
  • DE719152C - Furnace for melting glass : de en
  • SU61097A1 - Finger of the endless drive chain to force the transfer of trolleys on the cableway rounding : en ru
  • US2277811A - Hose nozzle construction : en
  • US2278259A - Propeller and the like : en
  • US2278340A - Apparatus and process for freezing ice cream : en
  • US2278399A - Pumping mechanism : en
  • DE719123C - Hand cultivator : de en
  • CA403749A - Roof truss : en fr
  • US2277890A - Apparatus for flocculation : en
  • US2277981A - Vehicle lamp display device : en
  • US2277896A - Landing gear : en
  • US2278224A - Inhibitor : en
  • USD131804S - Design fob a dress : en
  • PL30427B1 - : en pl
  • US2278047A - Poultry fountain stand : en
  • AU48741A - Improved mechanism for chiming bells or tuned metallic tubes orthe like : en
  • CA403726A - Anaesthetic liquid vaporizing apparatus : en fr
  • CH220210A - Process for the preparation of an acidic oxalic acid ester. : de en
  • CH220367A - Device for switching over voting means in heavy devices for wireless remote reporting. : de en
  • CH220250A - Pressure device on weighing equipment. : de en
  • US2278029A - Dispenser for sheet material : en
  • US2278046A - Rubber composition and method of preserving rubber : en
  • ES143718A2 - IMPROVEMENTS IN PATENT 136708 : en es
  • DE719315C - Method and device for measuring the hemoglobin content of blood : de en
  • PL30396B1 - Felix Schanzer, Berlin Roller pressure pednia : en pl
  • FR871031A - Process for preparing oxime solutions intended to be transposed : en fr
  • US2277866A - Hand operated electric light signal device : en
  • US2278061A - Illuminating dry shaver : en
  • CH220145A - Concrete floor. : en fr
  • DE719219C - Apparatus for pneumatic drive provided with a handle : de en
  • DE719321C - Device for the optional attachment of an electric starter or an internal combustion engine starter to internal combustion engines : de en
  • FR870941A - Manufacturing process for pasty electrolyte for dry cells : en fr
  • DE719281C - Arrangement of the exhaust turbine in compressed air-cooled internal combustion engines : de en
  • PL30408B3 - A method of simultaneous preventing biting of magnesium, magnesium alloys and places where heavy metals connect with soft solder, embedded together with magnesium or its alloys in the liquid conducting systems : en pl
  • GB544198A - An improved hydraulic coupling : en
  • DE719169C - Process for the electrolytic production of practically chloride-free magnesium hydroxide : de en
  • GR9823B - METHOD AND DEVICE FOR AUTOMATIC DRIVING OF A VEHICLE THROUGH SYMBOLS. : el en
  • US2277706A - Combined keyboard tape transmitter : en
  • US2277968A - Electrical condenser : en
  • US2278133A - Refrigerating system : en
  • US2278100A - Speed governing system : en
  • US2278122A - Pneumatic valve : en
  • DE719351C - Multi-layer pipe, which is formed from two strips of different metals by bending them longitudinally : de en
  • GB544236A - Improvements in x-ray apparatus : en
  • GB544157A - Improvements in preparations for treating fibrous materials : en
  • US2278334A - Repair lock : en
  • DE719270C - Process for the production of aldehyde compounds of the oxazoline series : de en
  • CH220173A - Process for the production of crimped staple fibers from viscose. : de en
  • US2277697A - Electric system and apparatus : en
  • CH220345A - Process for the preparation of 1,3-dimethyl-2- (γ-phenylpropyl) -6,7-diacetoxy-1,2,3,4-tetrahydroisoquinoline chlorohydrate. : de en
  • CH220410A - Process for the preparation of an oxyarylsulfone. : de en
  • ES148938A3 - ARTICULATED AND FOLDING FRAME FOR BEDS : en es
  • FR870914A - Carbon sheet for multiple-copy accounting : en fr
  • GB544189A - Improvements in or relating to colour-formers for use in colour photography : en
  • CA403867A - Bridge construction : en fr
  • FR870973A - Lightweight tank car with four or more axles without a support frame : en fr
  • US2278058A - Fuse : en
  • CH220244A - Centering clamping device on centering machines. : de en
  • DK59612C - Self-closing Valve. : da en
  • DE719337C - Continuous water heater with a heating switch designed as a low water protection device : de en
  • FR870946A - System for fixing the base on the vase surrounding the electrodes, in particular in the electronic tubes : en fr
  • GB544141A - Improvements in temples for looms for weaving : en
  • US2277928A - Spray gun : en
  • US2277860A - Ground fault neutralizer : en
  • US2278056A - Process for decorating sheet material : en
  • CH220152A - Heating appliance. : en fr
  • CH220321A - Magnetron. : en fr
  • CH220364A - Tunable Lech oscillation circuit. : de en
  • ES148916A3 - IMPROVEMENTS IN THE PROCEDURE OF FORMING LOOPES OR CURLING HAIR USING CLIPS OR FORKS : en es
  • ES148937A1 - IMPROVEMENTS IN BACKGROUNDS OF CAR SEATS AND VEHICLES IN GENERAL : en es
  • US2278297A - Handling thermophore mixtures : en
  • CH220375A - Machine for closing cellulosic packaging. : en fr
  • US2278175A - Stoker : en
  • US2278381A - Process for making golf ball centers, and the resultant product : en
  • US2277837A - Automatic switching valve : en
  • DE719143C - Device for recording the dialed numbers at the calling subscriber station in telephone exchange systems : de en
  • DE719240C - Process for the production of sturdy pile carpets or sturdy plush-like pile fabric with pile made from cellulose cellulose wool or cellulose cellulose cellulose mixed fiber material : de en
  • ES148920A1 - A TEMPERATURE GRADUATING DEVICE FOR REFRIGERATING FACILITIES : en es
  • CH220150A - Silo. : en fr
  • US2278271A - Container and method of making the same : en
  • US2277658A - Apparatus for accumulating and controlling loops in continuous strips : en
  • US2278019A - Piston ring assembly : en
  • US2277954A - Pull-out hangrod : en
  • ES148910A1 - GROUP OF ROTARY MACHINE AND ELECTRIC MACHINE : en es
  • FR871039A - electric submersible heating element for bathtubs : en fr
  • US2278247A - Propeller : en
  • US2277690A - Cigar piercer : en
  • CH220339A - Process for the production of hydraulically setting pigments and products containing binders, in particular for surgical and orthopedic purposes. : de en
  • GB544262A - Improvements in or relating to fire extinguishing systems and to apparatus or devices for use therein : en
  • GR9816B - COLD DEVICE WITHOUT ICE. : el en
  • GB544259A - Improvements in gaseous electric discharge devices : en
  • FR870909A - Device for radially stripping with a grinding wheel tools with helical cutting edges : en fr
  • US2277818A - Slider for slide fasteners : en
  • US2277922A - High pressure slip coupling : en
  • GB544142A - Improved stretching machine for flattening metal strip : en
  • GB544135A - Improvements in colour photographic materials : en
  • DE1515872U - : de en
  • DE719273C - Group valve control for steam turbines : de en
  • ES148898A3 - IMPROVEMENTS IN THE CONSTRUCTION OF AEROTHERMALS : en es
  • CH220446A - Wheel with at least one removable rim. : en fr
  • US2278208A - Squeegee : en
  • US2278267A - Collet : en
  • AU285240A - Tipping bodies for trailers for motor vehicles : en
  • CA403767A - Gas analyzer : en fr
  • AU114898B2 - Improved silencer for tramway switch tongues and the like : en
  • CA403845A - Air conditioning system : en fr
  • US2278022A - Cathead and clutching device therefor : en
  • US2278263A - Speed indicator means : en
  • CA403763A - Welding flux and rod : en fr
  • CH220223A - Process for obtaining a high quality fiber material. : de en
  • US2278346A - Pneumatic dispatch system : en
  • US2278174A - Sheet metal nibbling tool : en
  • US2278222A - Control system : en
  • US2277990A - Pipe coupling : en
  • US2278221A - Refrigeration : en
  • US2278066A - Local oscillator circuit in superheterodyne receivers : en
  • DE719120C - Process for the production of plastic masses from aqueous formaldehyde solutions and mixtures of urea and thiourea : de en
  • CA403782A - Circuit interrupter : en fr
  • CH220269A - Process for the production and processing of rivets from self-hardening aluminum alloys of the type Al-Cu-Mg. : de en
  • PL30399B1 - Junkers Flugzeug- und Motorenwerke Aktiengesellschaft, Dessau Spring plate valve ^ / n : en pl
  • USD131806S - Design for a dress : en
  • CH220310A - Expansion head on bushing insulators with insulating liquid. : de en
  • US2277769A - Last for footwear : en
  • DK59615C - Gas mask. : da en
  • SU61084A1 - The method of extracting gold from gold ore : en ru
  • US2278265A - Tape selvage harness : en
  • US2278296A - Rotator attachment for pumping jacks : en
  • US2277973A - Process of producing electrode pastes : en
  • CH220285A - Pump for priming the cylinders of a combustion engine. : en fr
  • CH220376A - Tube. : de en
  • US2278117A - Mole trap : en
  • USD131849S - Design for a bracelet or similar article : en
  • BE444347A - : en
  • CA403747A - Paper and board processing : en fr
  • GB544154A - Improvements in and relating to table mats and similar articles : en
  • FR871022A - Antenna system : en fr
  • US2277898A - Means for measuring flow in wells : en
  • FR870951A - Camera with automatic aperture : en fr
  • DK59619C - Heel front adhesive press. : da en
  • US2277711A - Apparatus for pitting half fruit : en
  • US2277759A - Internal combustion motor : en
  • US2278064A - Sulphonates : en
  • US2278322A - Switch : en
  • USD131885S - Design for a pin clip : en
  • USD131812S - Design foe a brooch oh similar article : en
  • US2277694A - Smoke elevator : en
  • US2278024A - Game apparatus : en
  • FR870948A - Store for light-sensitive photographic equipment : en fr
  • FR870961A - Mobile carbonization and distillation furnace : en fr
  • AU114912B2 - New organic nitrogen compounds and their application : en
  • CH220154A - A system having a heating water boiler and an associated water heater. : de en
  • FR870963A - Maneuvering device for auxiliary wings of aircraft : en fr
  • BE444656A - SUPPORTING FRAMEWORK FOR GALLERIES, IN PROFILED IRONS, THE JOINING ENDS OF WHICH HAVE ACCOLEED PARTS FORMING A BOWL SEAL : en fr
  • US2278211A - Electric circuits : en
  • FR870935A - Lock, in particular padlock, opening by moving the housing containing the locking members : en fr
  • GB544228A - An improved covering for floors, walls and the like : en
  • FR871000A - High ohmic electrical resistance : en fr
  • DE719193C - Method for closing vacuum vessels within a vacuum chamber : de en
  • FR871033A - Improvements in apparatus for handling bars, billets, ingots and the like for their forging : en fr
  • US2277967A - Duplicating machine : en
  • AU114904B2 - Improvements in or relating to apparatus for treating pneumatic tyres : en
  • CH220302A - Electronic tube voltage regulator for low voltage electric generator. : en fr
  • ES123107A3 - A mechanical procedure, by separating the organic substances foreign to the olive paste, to obtain virgin oil. : en es
  • GB544192A - Improvements relating to the mounting of hard metal bodies upon supporting members : en
  • DE719117C - Closure for large melting or cooking vessels : de en
  • PL30451B1 - The method of producing colors : en pl
  • PL30441B3 - : en pl
  • US2277986A - Whip : en
  • DE719251C - Periscope for examining cavities, including those in the human body : de en
  • FR870916A - Two-stroke gasifier engine : en fr
  • AU114922B2 - Improvements in or relating tothe manufacture of urea Formaldehyde resinous compositions : en
  • FR870934A - Ultra-shortwave amplifier assembly : en fr
  • FR870940A - Heating clip for permanent hair waving : en fr
  • US2278124A - Doll cradle construction : en
  • US2277662A - Amplifier : en
  • US2277924A - Sheet assembling apparatus : en
  • DE719004C - Process for the manufacture of sulphonation products : de en
  • FR871034A - Cylinder bearing : en fr
  • CH220274A - Fixing device for cans, lids and the like. : de en
  • GB544180A - Improvements in the control of electric currents by saturable reactors : en
  • DE719285C - Articulated side fitting for window sashes that can be opened either around a horizontal or vertical axis : de en
  • FR870922A - Device for feeding town gas engines or the like : en fr
  • FR870995A - Rudder motor maneuvering device, in particular for airplanes : en fr
  • DE719157C - Device for highlighting details in fully or partially transparent surface representations : de en
  • US2278016A - Regulating apparatus : en
  • US2278198A - Flower container : en
  • FR870958A - Gyroscopic horizon for vehicles, in particular for aircraft : en fr
  • US2278104A - Wire fabric device : en
  • US2277965A - Alidade : en
  • US2278055A - Water closet douche : en
  • DE719178C - Ten key calculator : de en
  • US2277746A - Fluid regulator : en
  • BE444411A - Improvements in rubber manufacturing processes : en fr
  • CH220422A - Process for the preparation of a tetrakisazo dye. : de en
  • CH220430A - Process for the preparation of an asymmetrical azo dye. : de en
  • US2278314A - Apparatus for producing one-piece multifocal ophthalmic lenses : en
  • CH220203A - Process for the crystallization of hydrated aluminum triformate. : en fr
  • US2278325A - Process for finishing forgings : en
  • CH220245A - Observation device. : de en
  • CH220363A - Equipment, consisting of ultra-short wave tube including base and socket. : de en
  • US2277853A - Cushion, mattress, and other resilient supports : en
  • US2278103A - Transfer mechanism for multiple station headers : en
  • US2278182A - Web supply mechanism : en
  • CH220166A - Height-adjustable furniture. : de en
  • CH220247A - Control device used in fluid lines in the form of a tubular bimetal body for temperature-dependent control of the flow cross-section at one point on the lines. : de en
  • DE719119C - Wide-span sawn roof made of reinforced concrete : de en
  • CA403847A - Air conditioning system : en fr
  • CH220435A - Process for dividing tough masses. : de en
  • US2277882A - Toy : en
  • PL30440B1 - : en pl
  • US2277997A - Machine for making polygonal openings : en
  • US2277735A - Refractory composition : en
  • USD131811S - Design for a brooch or similar article : en
  • PL30418B3 - Siemens & Halske Aktiengesellschaft, Berlin-Siemenisstadt Cable for portable telecommunications installations : en pl
  • US2277978A - Slide fastener : en
  • CA403878A - Textile fibre manufacture : en fr
  • US2278272A - Cash register : en
  • CA403758A - Grinding wheel trimming device : en fr
  • CA403876A - Suction device for foul air : en fr
  • USD131831S - Design foe a picture carrying badge : en
  • CH220191A - Interior fitting for clothing. : en fr
  • PL30429B1 - : en pl
  • USD131789S - Design for a textile fabric : en
  • US2277750A - Valve : en
  • US2278041A - Turbine blade shroud : en
  • CA403723A - Electrical switching apparatus : en fr
  • CA403744A - Electrical contact plug pin : en fr
  • DE719265C - Pipe slide control : de en
  • US2277862A - Process for the preparation of diamidine derivatives : en
  • US2277893A - Hand protector : en
  • FR871036A - Agreement indicator : en fr
  • GB544129A - Improvements in and connected with change speed gearing : en
  • US2278108A - Green corn trimmer : en
  • US2278303A - Wheel suspension for motor vehicles : en
  • AU114925B2 - Tipping bodies for trailers for motor vehicles : en
  • CH220195A - Closing device for the waistband. : de en
  • CH220193A - Process for the production of a blouse, as well as blouse produced by this process. : de en
  • USD131823S - Design for an eyecup bottle : en
  • US2277774A - Shoe support : en
  • DE719214C - Transmission for converting a force that increases linearly with the path, e.g. B. a spring force in a constant : de en
  • CH220327A - Metal vessel with cooling fins, especially for mercury vapor rectifiers with artificial air cooling. : de en
  • PL30404B1 - A method of producing synapisms in sheets : en pl
  • US2278014A - Detachable table for the back of chairs and the like : en
  • CH220306A - Method for joining electric cables. : en fr
  • US2278338A - Photoelectric apparatus for cameras : en
  • GB544128A - Improvements in or relating to hollow metal engine parts or valves : en
  • GB544149A - Improvements in electric valve control circuits : en
  • CH220259A - Watch movement racket. : en fr
  • CH220353A - Device with exchangeable hollow needles for performing punctures and injections. : de en
  • US2277675A - Shifting device : en
  • CH220429A - Process for the preparation of an asymmetrical azo dye. : de en
  • US2278135A - Press : en
  • US2278365A - Electrically actuated apparatus : en
  • US2278392A - Method of connecting lead wires and terminals : en
  • CH220170A - Attachment to be placed on top of a stove, serving as a heating hood. : de en
  • PL30430B1 - : en pl
  • US2277934A - Selector mechanism for automatic phonographs : en
  • DE719218C - Lubricating device, in particular for motor vehicles : de en
  • US2278113A - Galvanometer contact device : en
  • US2278185A - Garment protector : en
  • US2278233A - Mold culture : en
  • US2277755A - License plate bracket mounting : en
  • USD131807S - Design for a dress : en
  • USD131820S - Design for a coat : en
  • AU114897B2 - Collapsible boats : en
  • DE719186C - Shirt sleeve holder : de en
  • DE719300C - Rotary plate capacitor, especially for radio equipment : de en
  • US2278106A - Knitting machine : en
  • AU262041A - Device for treating washed clothes : en
  • CH220417A - Process for the preparation of an azo dye. : de en
  • USD131798S - Design foe a pin or similar article : en
  • US2278312A - Offset press cylinder adjusting and gauging construction : en
  • CH220347A - Process for the preparation of 6- (p-aminobenzenesulfonyl) -amino-2,4-dimethylpyrimidine. : de en
  • US2277804A - Clock : en
  • US2277976A - Battery lifting and carrying device : en
  • DE719225C - Circuit arrangement for a television transmitting or receiving device operating with line control : de en
  • DE719227C - Highly evacuated Braunsche tube : de en
  • DE719306C - Double slide control for high-speed piston compressors : de en
  • GB544134A - Improvements relating to photographic materials : en
  • GB544165A - Improvements in or relating to apparatus for the heat treatment of elongated metal bodies having longitudinally spaced surface portions to be heat treated : en
  • US2278400A - Fruit stoning machine : en
  • GB544196A - Improvements in hydraulic weighing scales : en
  • US2277984A - Furnace construction : en
  • US2278142A - Illumination : en
  • US2277939A - Leg rest : en
  • US2278126A - Support for tone tubes : en
  • GB544147A - Improvements in or relating to the preparation of concentrated extracts of active physiological principles from liver tissue : en
  • PL30402B1 - Union Gesellschaft fiir Metallindustrie Sils, van de Loo & Co.,! Fróndenberg-Ruhr A suitcase that can be converted into a bed : en pl
  • US2278317A - Grate structure : en
  • CA403791A - Propeller governor : en fr
  • CH220234A - Ski binding with heel link. : de en
  • US2277726A - Ophthalmic mounting : en
  • US2277949A - Centrifugal separator : en
  • US2278245A - Internal combustion engine of the compression ignition type : en
  • US2277994A - Athletic headgear : en
  • GB544172A - Improvements in and relating to centres or bobbins for rolls of paper, cardboard or other sheet material : en
  • US2278001A - Flow-controlled valve : en
  • DE719216C - Testing device for paper or cardboard webs : de en
  • PL30422B3 - : en pl
  • DE719134C - Process for the production of adipic acid, its homologues and substitution products : de en
  • US2277712A - Electric discharge electrode : en
  • ES148918A3 - A CLASSIFYING MECHANISM FOR THE FEMALES OF THE PRESSURE SEALS : en es
  • US2277698A - Flash-photography apparatus : en
  • US2277883A - Rheostat : en
  • USD131862S - Design for a beooch or similar article : en
  • SU61113A1 - Device for grid control of high voltage converter installations : en ru
  • US2278353A - Rod straightener : en
  • FR870918A - Pressure regulator for compressed gas : en fr
  • US2277859A - Brake : en
  • US2277696A - Abrading tool : en
  • US2278094A - Radio receiving apparatus : en
  • US2278371A - High frequency switch : en
  • FR870998A - Transportable ventilation device : en fr
  • GB544124A - Improvements in and relating to electric converters : en
  • CH220172A - Bottle swing top with valve. : de en
  • CH220359A - Extension piece to telephone device. : de en
  • US2277661A - Rotary fluid pressure motor, pump, and the like : en
  • US2277793A - Wall construction : en
  • US2278186A - Food mixer : en
  • GB544201A - Improvements in stop valves : en
  • DE719194C - Arrangement on plunger magnets : de en
  • FR870971A - Device for making butter : en fr
  • US2277762A - Animated doll : en
  • ES148872A3 - A PROCEDURE TO IMPREGATE SOAP FABRICS : en es
  • AU114894B2 - Process for the manufacture of new salts of benzensulphamide derivatives : en
  • SE104165C1 - : en
  • US2277946A - Combustion and chemical recovery furnace and method of operating same : en
  • US2277948A - Knockdown furniture : en
  • CA403785A - Road vehicle : en fr
  • ES148941A1 - A SECURITY LOCK : en es
  • FR871012A - Hydraulically controlled pad or drum brakes with double control pump, by back-pedaling, or by lever on the handlebars, or by rotating handle : en fr
  • CH220419A - Process for the preparation of a monoazo dye. : de en
  • PL30412B1 - : en pl
  • US2277777A - Device for hulling peas : en
  • FR870954A - Reservoir pen holder filling device : en fr
  • DE719268C - Process for the production of a baking aid containing phosphatide : de en
  • AU114907B2 - An attachment for cotton and the like spools : en
  • ES148905A3 - A PROCEDURE FOR OBTAINING A PAINT WITH LUMINOUS EFFECTS, APPLICABLE TO JEWELERY, MERCERY AND FANTASY IN GENERAL, AND OTHER APPROPRIATE PURPOSES : en es
  • BE444469A - : en fr
  • US2277999A - Recirculating control valve : en
  • US2278039A - Carcass branding : en
  • US2278269A - Loop guide and method of applying loops to machines : en
  • PL30467B1 - Patent-Treuhand-Gesellschaftfiir elektrische Gliihlampen m, b, H., Electric flash : en pl
  • USD131874S - Brooch pin or similar article : en
  • CA403793A - Exhaust steam injector : en fr
  • US2277795A - Overrunning clutch construction : en
  • US2277988A - Insulation element : en
  • DE719295C - Clarification device for liquids : de en
  • GB544161A - Improvements in or relating to folding cameras : en
  • PL30457B1 - Device for removing smoldering gases when loading the fuel tank of a solid fuel furnace : en pl
  • GB544131A - Improvements in hair-cutting machines such as electrically-driven devices for dry-shaving : en
  • AU314141A - Rubber press pads : en
  • AU402440A - Improved air supply appliances for signalling sirens : en
  • CH220360A - Holding device for telephones and telephones. : de en
  • CA403836A - Pipe forging machine mandrel : en fr
  • CA403854A - Bread slicing machine : en fr
  • DE719184C - Cover for shafts, fountains, road drains and. like : de en
  • US2277969A - Lantern slide folder : en
  • SU61002A1 - Locking device : en ru
  • US2277933A - Vacuum cleaner : en
  • US2278159A - Oscillator-modulator system : en
  • CH220368A - Antenna. : de en
  • DE719338C - Housing for gate valve : de en
  • FR870955A - Absorption refrigeration plant : en fr
  • US2278227A - Multicolor flock printing machine : en
  • USD131819S - Design fob a coat : en
  • CH220290A - Switching device in the circuit of the starter motor of internal combustion engines. : de en
  • DK59606C - Device at Vigesteder in Telefonnet, in which a transmission of messages by high-frequency electric carriers takes place. : da en
  • CH220213A - Process for the preparation of the lactone of 2-methyl-3-methoxy-4-oxymethyl-5-carboxy-pyridine. : de en
  • FR870972A - Contact device for switchgear and control equipment : en fr
  • CA403739A - Valve seal : en fr
  • FR871037A - Execution of carpentry, building plates, etc., saving material : en fr
  • CH220292A - Method for increasing the readiness for sudden loads on gas turbine systems. : de en
  • AU86341A - Improvements in or relating to commutators for dynamo-electric machines : en
  • US2278086A - Extended surface heat exchanger : en
  • USD131852S - Design for a bracelet : en
  • CH220381A - Vehicle body. : de en
  • CH220385A - Tires on wheel rims for vehicles, in particular for bicycles and motor vehicles. : de en
  • CH220238A - Writable Jass case. : de en
  • US2277907A - Telephone set : en
  • PL30453B1 - Kalle & Co. Aktiengesellschaft, Wiesbaden-Biebrich Removal agent and method for detaching textiles : en pl
  • CH220411A - Process for the production of a new azo dye. : de en
  • US2277950A - Offsetting arrangement for boring tools and the like : en
  • US2277848A - Method of and apparatus for welding : en
  • CH220315A - Clamping device for attaching electrical lead wires. : de en
  • CH220330A - Multi-phase contact converter. : de en
  • CH220365A - Device for generating ultra-high frequency oscillations. : de en
  • CA403775A - Luminescent material : en fr
  • CH220239A - Pocket-sized game of skill. : de en
  • CA403789A - Thin boiling and thick setting starch : en fr
  • FR870932A - Detector tube for gas detection devices : en fr
  • FR870977A - Switch operating step by step, for establishing and breaking the electric current : en fr
  • FR871021A - Solid or liquid fuel central heating boiler, converted to supply it with town gas : en fr
  • US2277748A - Crank mechanism for bicycles : en
  • CH220328A - Procedure for voltage regulation in rectifier systems. : de en
  • CH220288A - Device for air cooling of engines, in particular for vehicles with rear engines. : de en
  • US2277800A - Power transmission : en
  • US2277953A - Foundry sand moisture tester : en
  • USD131841S - Design for a playshoe or similar article : en
  • US2277870A - Heater : en
  • CA403745A - Shingle unit : en fr
  • DE719220C - razor : de en
  • ES148894A1 - A ONE PIECE STEEL PLATE HYDRAULIC PRESS WITH LARGE DIAMETER FIXED PISTON AND MOBILE CYLINDER : en es
  • AU275241A - Improvements in or relating to apparatus for treating pneumatic tyres : en
  • CH220397A - Floatable motor vehicle. : de en
  • CA403774A - Frequency control circuit : en fr
  • DK59608C - Procedure for the manufacture of artificial textile fibers. : da en
  • DE719215C - Process for welding especially thin wires, tapes or the like, of which at least one or one is made of aluminum or an aluminum alloy : de en
  • AU114918B2 - Process of printing : en
  • GB544167A - Improvements relating to clutches : en
  • CH220229A - Feeder. : en fr
  • CH220151A - Drilling machine. : de en
  • DE719164C - Angle measuring device : de en
  • DE719317C - Facility for secondary X-ray analysis of materials : de en
  • US2277758A - Shield : en
  • DE719190C - Springless valve control : de en
  • FR871006A - Sliding device, in particular for filing cabinets : en fr
  • GB544206A - Improvements relating to hinged connections : en
  • AU114915B2 - Production of fat-soluble vitamin concentrates : en
  • CA403756A - Plug valve : en fr
  • CH220341A - Mechano-therapy and medical gymnastics apparatus. : en fr
  • GB544179A - Improvements in or relating to the manufacture of fishing-nets : en
  • US2277669A - Clothespin package : en
  • US2277895A - Temperature control device : en
  • FR870967A - Method and apparatus for feeding yarn to knitting machines : en fr
  • GB544132A - Method of and means for producing colour separation records for colour photographic and photo-mechanical processes : en
  • CH220355A - Cash register. : en fr
  • GB544207A - Improvements relating to lifting grapples : en
  • CH220235A - Metal cable pull for ski bindings. : de en
  • GB544270A - Improvements in gloves : en
  • ES148900A1 - A PERFECT PROCEDURE FOR THE SEPARATION AND RECOVERY OF THE RUBBER AND THE FIBERS OF THE VULCANIZED RUBBER WASTE : en es
  • PL30409B1 - Machine for grinding flax or other fibrous material : en pl
  • USD131818S - Design for a brooch or similar article : en
  • ES148884A1 - A NEW TYPE OF LIGHT PACKAGING : en es
  • DE719222C - Metal cartridge belt : de en
  • DE719342C - Axial and partially loaded impeller of centrifugal machines : de en
  • CH220396A - Device for the electrical heating of pantograph contact pieces in case of icy contact lines. : de en
  • CH220443A - Discharge tube with a cathode only partially covered by an emission layer. : de en
  • FR871017A - Process for the production of oxide layers intended to protect iron and steel : en fr
  • US2277927A - Adjustable seat supporting means : en
  • US2278111A - Tool for air pressure release bars of elevator doors : en
  • GB544241A - An improved pendulum type level : en
  • US2277779A - Ventilating window : en
  • US2277792A - Panel fastening device : en
  • US2278075A - Holding device for towels and the like objects : en
  • GB544185A - Improvements in or relating to springing devices for rail-guided, truck-supported vehicles : en
  • DE719183C - Device for feeding and distributing fish sludge in septic tanks : de en
  • US2277876A - Electric lamp : en
  • USD131880S - Colloid mill or similar article : en
  • GB544203A - Improved method of and means for producing generated forms for use in connection with machine tools : en
  • FR870960A - Improvements to shaving devices : en fr
  • DE719008C - Rail current switch : de en
  • DK59620C - Apparatus for roasting coffee. : da en
  • ES148881A1 - A DRIVING DEVICE FOR VARIOUS ENGINES ESPECIALLY OF AIR HELLS : en es
  • GB544175A - Improvements in negative feedback thermionic amplifiers : en
  • FR870939A - Machine for the production of flat sachets and side pleat sachets : en fr
  • US2277900A - Towing attachment for concrete mixers : en
  • US2277955A - Radio transmitter : en
  • US2278129A - Coin chute : en
  • US2278361A - Conveyer : en
  • BE444636A - : en fr
  • CA403846A - Air conditioning system : en fr
  • US2277872A - Products from tartaric acid : en
  • US2277917A - Folding leg construction : en
  • US2277889A - Land leveling machine : en
  • USD131844S - Design for a shoe : en
  • US2278207A - Spun glass products : en
  • US2278264A - Spindle bearing : en
  • CA403862A - Seeder : en fr
  • CH220196A - Ironing press for trousers. : de en
  • US2278192A - Thermic process : en
  • US2278339A - Test strip : en
  • US2277835A - Vehicle drive : en
  • ES148908A3 - IMPROVEMENTS IN THE MANUFACTURE OF BINDING AND SIMILAR FABRICS : en es
  • US2278282A - Directional signal : en
  • US2278068A - Assembly for clutches, brakes, and the like : en
  • GB544171A - Knitted stocking and method and machine for making the same : en
  • ES148886A1 - AN APPARATUS FOR WETTING PAPER STRIPS, ENVELOPES, STAMPS AND SIMILAR : en es
  • GB544152A - Improvements in or relating to electric circuit interrupters having arc extinguishing devices : en
  • ES148890A1 - A NEW TYPE OF RAIL GASKET : en es
  • CH220267A - Process for manufacturing metal mesh using thin sheets. : en fr
  • PL30438B1 - Lubricating device for supplying and applying lubricants to reduce friction between the flanges of the wheels of vehicles moving on rails and the heads of the rails : en pl
  • US2278119A - Cuttings-conveying mechanism : en
  • CH220426A - Process for the preparation of a tetrakisazo dye. : de en
  • CH220428A - Process for the production of a new azo dye. : de en
  • CA403798A - Fungicidal preparation : en fr
  • US2277709A - Piezoelectric crystal apparatus : en
  • DE719356C - Airplane tail strut : de en
  • US2278258A - Boot hanger : en
  • PL30459B3 - Eugeniusz Pieczonka, Warschau i Aleksander Stawicki, Warschau Mailbox with a list of tenants : en pl
  • USD131790S - Design for a shaker for salt or pepper : en
  • CH220432A - Process for the production of a vat dye. : de en
  • CH220408A - Process for the preparation of an oxyarylsulfone. : de en
  • CH220413A - Process for the production of a new copper-containing azo dye. : de en
  • CA403817A - Lead refining method : en fr
  • CH220253A - Talking machine with plate changing device. : de en
  • CH220311A - Connector with contact protection and strain relief on moving electrical lines. : de en
  • DE719217C - Aircraft engine : de en
  • US2277840A - Contact system : en
  • US2277851A - ganger : en
  • US2278231A - Manufacture of plasticized polyvinyl chloride filaments, sheets, etc. : en
  • US2277806A - High intensity carbon arc system : en
  • US2277880A - Leveling attachment for tractors : en
  • USD131882S - Design fob a brooch or similar article : en
  • USD131891S - Combination sprinkler and hair scrubber : en
  • ES148902A1 - A DEPOSIT SUPPLIER OF LIQUID FUEL THAT SHOULD BE CONSUMED UNDER THE GRADUABLE LEVEL AT WILL : en es
  • US2277868A - Fan construction : en
  • BE444536A - : en
  • US2277732A - Filler feed and charge former for cigar machines : en
  • US2278011A - Paper pack holder : en
  • US2278308A - Quick detachable coupling or fitting : en
  • GB544274A - Improvements in or relating to the manufacture of granular superphosphate : en
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  • USD131884S - Design for a pin clip : en
  • AU136341A - Collapsible boats : en
  • CA403762A - Engine piston : en fr
  • BE444540A - Superpolyamide treatment process : en fr
  • BE443202A - : en
  • US2278362A - Journal box : en
  • AU99441A - New organic nitrogen compounds and their application : en
  • IT393403B - : it
  • DE719181C - Process for the production of solid coarse ceramic building materials : de en
  • GB544258A - Improvements in or relating to means for securing cowls, ventilators, and the like to roofs of buildings : en
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  • CH220441A - Device for triggering processes depending on electrical parameters. : de en
  • US2277926A - Piston packing : en
  • US2278107A - Process for concentrating ore materials : en
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  • GB544139A - Improved preparation of butylenes, butadiene and chloro-butanes : en
  • US2278008A - Registering coin-savings bank : en
  • CA403733A - Stilt : en fr
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  • AU114906B2 - Motordrive : en
  • US2278257A - Process of frosting glass : en
  • US2277820A - Hat machine : en
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  • US2278390A - Tumbler rack : en
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  • AU114900B2 - Improvements in or relating tothe extraction of hydrocarbons from gas mixtures containing carbon dioxide by liquefaction : en
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  • US2278253A - Dispensing device : en
  • AU114893B2 - Improved resilient sheet material and articles made therefrom : en
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  • US2277899A - Control device and system : en
  • US2277704A - Refractory : en
  • US2277743A - Arrow : en
  • US2278238A - Short wave arrangement : en
  • CA403751A - Toy multi-tone siren : en fr
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  • US2278146A - Composite panel board : en
  • US2278098A - Typographical composing machine : en
  • ES148887A1 - A PROCEDURE FOR THE REPAIR OF LANES WITH FLANGE JOINTS : en es
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  • DE719110C - Push button timer with suction cup : de en
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  • CH220409A - Process for the preparation of an oxyarylsulfone. : de en
  • US2277663A - Reclamation of the fine dust from blast furnaces using manganese ores : en
  • AU111541A - Improvements in or relating tothe production of unsaturated aliphatic aldehydes : en
  • CH220372A - Material for making texts or drawings by juxtaposing separate signs, process for manufacturing this material and machine for implementing the process. : en fr
  • US2278376A - Unit heater : en
  • CA403773A - Non-freezing heater : en fr
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  • DE719201C - Process for making dry triturations : de en
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  • US2277721A - Sewing machine for making plaited or shirred trimming : en
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  • DE719107C - Electric rail butt joint made of iron : de en
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  • CH220407A - Process for the preparation of an oxyarylsulfone. : de en
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  • USD131835S - Design foe a scale height gauge : en
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  • US2278044A - Lock : en
  • US2278187A - Food processor : en
  • US2277730A - Soap : en
  • US2278091A - Guard : en
  • US2277673A - Means for making molded articles : en
  • CA403769A - Variable inductance device : en fr
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  • CH220378A - Driving device for motor vehicles. : de en
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  • ES148873A1 - A PROCEDURE FOR OBTAINING WATER SOLUBLE CONDENSATION PRODUCTS : en es
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  • PL30421B1 - : en pl
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  • CA403874A - Condensation product : en fr
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  • AU168741A - Improvements in apparatus for projection and viewing of pictures in stereoscopic relief : en
  • ES148877A1 - A SYSTEM OF UNION OF THE END OF THE INTERIOR WIRES OF REINFORCEMENT OF THE HEELS OF THE COVERS OF BICYCLES AND MOTORCYCLES : en es
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  • FR870978A - Subtractive differential counter : en fr
  • GB544267A - Improvements in and relating to shackles : en
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  • US2278080A - Tilting structure for chairs and the like : en
  • FR870851A - : fr
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  • GB544181A - Improvements in and relating to cinematograph films : en
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  • US2277877A - Wrapping machine : en
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  • US2278009A - Typewriting machine : en
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  • US2278350A - Polymeric material : en
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  • ES148899A1 - A MANUAL ACTION DEVICE TO APPEAR MOBILE IMAGES : en es
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  • US2278280A - Electrical switching device : en
  • US2278304A - Joint construction : en
  • US2278389A - Cellulose ether product : en
  • FR871043A - Friction brake improvements : en fr
  • GB544273A - Improvements in mirror and like frames : en
  • US2277874A - Fastening device for washing machines : en
  • US2278012A - Car truck : en
  • US2278042A - Folding attachment for sewing machines : en
  • FR870966A - Dry cell manufacturing process : en fr
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  • US2277864A - Means and method of coiling hose : en
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  • US2277992A - Crayon : en
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  • US2277891A - Stable zein solution : en
  • CA403731A - Anti-skidding device : en fr
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  • US2277703A - Drawer slide : en
  • US2277919A - Watch cleaning machine : en
  • US2278213A - Signal : en
  • GB544269A - Improvements in hair slides : en
  • GB544199A - Improvements relating to the landing gear of aeroplanes : en
  • FR870913A - Ribbon drive device for desktop typewriters : en fr
  • FR871013A - High voltage direct current power transmission installation : en fr
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  • US2278130A - Automatic lighter and display device : en
  • US2278191A - Running board for railway cars : en
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  • USD131868S - Design for a brooch or similar article : en
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  • US2278375A - Condensation products of aldehydes and urea derivatives : en
  • CA403833A - Mercaptan recovery : en fr
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  • GB544239A - Ships automatic stability unit : en
  • US2278194A - Measuring instrument : en
  • ES148911A3 - A PROCEDURE FOR THE DECOMPOSITION OF VEGETABLE MATERIALS FOR THE MANUFACTURE OF CELLULOSE : en es
  • US2277897A - Batteryless flashlight : en
  • GB544216A - A closure device for containers : en
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  • GB544195A - Improvements in hydraulic force transmissions for weighing scales : en
  • US2278076A - Display poster : en
  • GB544151A - Improvements in or connected with black-out blinds : en
  • FR870985A - Arc blast switch by a stream of extinguishing fluid produced by the arc itself : en fr
  • US2278360A - Double glazing construction : en
  • US2278210A - Electron discharge device : en
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  • DE719320C - Starter device for internal combustion engines : de en
  • FR870920A - Process for obtaining an addition of lime for the metallurgical treatment of iron ores in the blast furnace : en fr
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  • ES148878A1 - AN ELECTRON PIPE FOR EXTENSION PURPOSES : en es
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  • CH220202A - Process for the production of sodium persulfate. : de en
  • US2277798A - Gripping device serving both as hairpin and curler : en
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  • DE719241C - Process for the production of nitrogenous cellulose derivatives : de en
  • GR9819B - METHOD FOR PREPARATION OF NEW SYNTHETIC PRODUCT IN replacement OF GAS AS MILK AND IN GENERAL SYNTHETIC dairy products (i.e., margarine, yogurt, TYROU, ices, ETC.) EISANTIKATASTASIN OF NATURAL such. : el en
  • FR870904A - Image projection device, in particular for performing serial measurements : en fr
  • GB544130A - Automatic boiler control system : en
  • ES148880A1 - A PROCEDURE FOR THE OBTAINING OF HELLOGRAPHIC CALCOS : en es
  • FR871047A - New articles of trimmings or embroidery and their manufacturing process : en fr
  • ES148893A1 - SOUND SHOCK ABSORBERS : en es
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