• US2158357A - Process of making shingles : en
  • US2158587A - Coffee brewing device : en
  • US2158820A - Program phase reverses : en
  • CH204702A - Process for the preparation of an amino alcohol. : de en
  • DE675752C - Switching device for boat drives : de en
  • US2158170A - Rear frame member : en
  • US2158192A - Clutch mechanism : en
  • US2158840A - Conversion of hydrocarbon oils : en
  • US2158759A - Furnace roof construction : en
  • CA381444A - Metallic vapour discharge apparatus for high voltages : en fr
  • US2158627A - Treatment of hides, skins, and leather : en
  • AU183938A - Improvements in methods and devices for producing glass fibres : en
  • US2158775A - Cake batter and shortening for making cake : en
  • US2158958A - Hydroxy-alkyl ethers of 4-tertiaryalkyl phenols : en
  • DE675479C - Process for the preparation of aromatic nitrogen-containing condensation products : de en
  • US2158285A - Impulse measuring circuit : en
  • US2158438A - Relay device : en
  • US2158122A - Hot water heater : en
  • US2158526A - Partially hydrogenated heterocyclic nitrogen compounds substituted by the aldehyde group and a process of making same : en
  • USD114745S - Design fob a bottle : en
  • DE675863C - Trough conveyor belt : de en
  • CH204626A - Cooling device for magnetron tubes. : de en
  • US2158051A - Process for producing monovinyl acetylene : en
  • CH204530A - Device for classification. : en fr
  • FR841278A - Improvements in the recovery of metals from ores : en fr
  • FR841414A - Manufacturing improvements for making ties : en fr
  • US2158174A - Film for photographic color process : en
  • US2158245A - Combined ventilator, heater, and windshield defroster for automobile bodies : en
  • US2158959A - Hydroxy-alkyl ethers of tertiary : en
  • US2158318A - Sprayer : en
  • US2158738A - Motor operated tooth brush : en
  • US2158902A - Changeable sign : en
  • US2158055A - Hand brake : en
  • US2158480A - Solenoid operating shifting mechanism : en
  • US2158625A - Copper refining apparatus : en
  • US2158577A - Sewer cleaning tool : en
  • DE675864C - Discharge device for bulk goods : de en
  • GB506003A - Improvements in and relating to moulding powders of the urea-formaldehyde type : en
  • US2158158A - Apparatus for the manufacture of printing plates : en
  • US2158981A - Electrolytic device : en
  • CH204667A - Tube with valve closure. : de en
  • US2158631A - Roller casing for textile stretching apparatus : en
  • USD114744S - Design for a flower basket : en
  • DE675797C - Chain rivet loosener : de en
  • CA381378A - Package forming machine : en fr
  • US2158311A - Process of preparing polymeric products : en
  • US2158407A - Azo dyestuffs and their manufacture : en
  • US2158280A - Machine for feeding sheets, labels, and the like : en
  • DE675786C - Process for the production of plywood using a partial condensate as a binder : de en
  • GB506002A - Improvements in and relating to the recovery of sulphur dioxide from gas mixtures : en
  • FR841339A - Gearshift improvements for cycles, motorcycles and the like : en fr
  • FR49650E - Improvements to cables and insulated wires for electricity : en fr
  • GB505636A - Improvements in or relating to hoists : en
  • GB505960A - Improvements in means for glazing windows : en
  • DE675877C - Oil burner with a natural train : de en
  • GB505929A - Improvements in or relating to metal to glass seals : en
  • AU420438A - Window guide : en
  • CA381381A - Skin impression device : en fr
  • CH204704A - Process for the preparation of an amino alcohol. : de en
  • GB505884A - Improvements in and relating to hydraulically-controlled automatic machines for filling ammunition shells : en
  • DE675697C - Arrangement of liners in the cylinder body of fluid-cooled internal combustion engines : de en
  • FR841407A - Improvements to gear changes for cycles : en fr
  • AU107380B2 - Improvements in methods and devices for producing glass fibres : en
  • CA381383A - Clasp brake rigging : en fr
  • AU107327B2 - Improved draining connection for use with three-compartment washtubs : en
  • CH204564A - Cutting tool for punching machines. : de en
  • CH204653A - Telephone system with pay phone. : de en
  • NL45701C - METHOD AND DEVICE FOR THE MANUFACTURE OF A MAT FROM GLASS FIBERS OR MATCHING INORGANIC MATERIAL : en nl
  • US2158367A - Refrigerating apparatus : en
  • US2158892A - Wire splice : en
  • US2158903A - Photo-printing apparatus : en
  • GB505664A - Improvements in and relating to needle weaving looms : en
  • GB505776A - Improvements in or relating to stems for electric discharge devices : en
  • GB505892A - Improved apparatus for preparing or treating shredded tobacco for use in cigarette making machines : en
  • GR8212B - STANDARD CLOTHING, PAPER HOLDING AND SIMILAR CONSTRUCTIONS MADE IN WAVE-SHAPED AND APPROPRIATELY BETWEEN THE COMPLETED FIELDS. : el en
  • DE675791C - Pin buckle with a frame web that opposes the action of a spring : de en
  • FR49625E - New layout of public transport vehicle seats : en fr
  • FR841356A - Improvements to phonographs : en fr
  • CH204534A - Process for the production of photographic layers. : de en
  • CH204712A - Process for the preparation of an azo dye containing complexed chromium. : de en
  • CH204719A - Process for the production of fertilizers containing phosphate. : de en
  • US2158817A - Developing device : en
  • US2158961A - Means and process for the amplification of radiant energy : en
  • AU420238A - Improvements in or relating to coke ovens : en
  • US2158987A - Clay product and process of preparing same : en
  • CH204481A - Fresh air supply device on a window, below which a radiator is provided. : de en
  • FR841257A - Improvements to light reflection systems : en fr
  • FR841352A - Improvements to devices for the detection of atmospheric impurities and more especially toxic gases, vapors or dust : en fr
  • NL46027C - : en
  • US2158786A - Method of producing magnesium : en
  • US2158189A - Knitted fabric, method, and machine : en
  • US2158492A - Undersea cable system : en
  • US2158510A - Method for operating cupola furnaces : en
  • US2158897A - Smoking device : en
  • DK56171C - Electric Discharge Tube and Associated Base. : da en
  • US2158633A - Method of displaying figures and the like on transparent bodies : en
  • US2158970A - Illuminated hand tool : en
  • USD114795S - Design fob a scarf ob similab abticle : en
  • AU107377B2 - An improved adjustable carrier arm for shearing machine grinders : en
  • DE675630C - Arrangement for the automatic regulation of grid-controlled rectifiers : de en
  • US2158495A - Paste applying device : en
  • CH204513A - Garment for sports use. : de en
  • US2158497A - Three carrier mechanism : en
  • US2158685A - Back draft vent for ranges : en
  • US2158976A - Gas supply apparatus : en
  • GB505779A - Improved method of and apparatus for introducing relatively small quantities of liquid reagents into streams of feed water for boilers and the like : en
  • AU107366B2 - Window guide : en
  • DE675885C - Arrangement on liquid gas containers : de en
  • DE675808C - Process for polymerizing homologues of acrylic acid or its derivatives to form a polymer which can be used as a glass substitute (organic glass) : de en
  • GB505607A - Improvements in or relating to metal-clad electric switchgear : en
  • GB505817A - Improvements in and relating to dish-washing machines : en
  • GB505916A - Prefill valves for hydraulic presses : en
  • GB505933A - Locking device for clutches : en
  • FR49632E - Process for improving metals of the iron group and their alloys : en fr
  • GB505871A - Knife sharpener : en
  • GB505900A - Improvements in magnetic compasses : en
  • US2158150A - Cash register, accounting, and the like machine : en
  • US2158551A - Apparatus for separating precious metals from black sand : en
  • US2158065A - Art of producing magnetic materials : en
  • US2158103A - Coupling device : en
  • US2158135A - Electric control system : en
  • US2158954A - Purification of sewage or waste liquors : en
  • DE675809C - Hand cultivator with several interchangeable prongs attached between the clamping jaws of the handle : de en
  • FR841400A - Process for lining seats and seats obtained by this process : en fr
  • GB505743A - Improvements in or relating to advertising and other transparancies : en
  • GB505822A - Improvements in tire grooving tools : en
  • GB505877A - Improvements in wireless aerials for use on motor road vehicles and like purposes : en
  • GB505927A - An electro-magnetically tripped circuit-breaker : en
  • GB505661A - Improvements in or relating to wheels for vehicles and their manufacture : en
  • GB505665A - Improvements in and relating to the propelling machinery of motor boats and similar water craft : en
  • FR841285A - Fully sealed door : en fr
  • GB505674A - Improvements relating to electricity measuring apparatus : en
  • US2158406A - Liner setter : en
  • US2158884A - Electric lamp : en
  • US2158963A - Weather strip and sash balance : en
  • US2158217A - Carrier for milk products : en
  • DE675691C - Pre-filter for milk funnel : de en
  • US2158647A - Spring seat construction : en
  • US2158935A - Clutch steering mechanism for tractors : en
  • USD114772S - Guitar or similar article : en
  • US2158312A - Machine for making a barrel : en
  • FR841261A - Suspension, mainly for motor vehicles : en fr
  • GB506005A - Improvements in centrifugal dust separators : en
  • CA381456A - Surfacing apparatus : en fr
  • CH204542A - Heel pull ski binding. : de en
  • US2158274A - Refrigerator : en
  • US2158490A - Automatic chuck jaw : en
  • US2158654A - Interval timer : en
  • US2158146A - Thermostat : en
  • DK56160C - Procedure for the production of alkali carbonate. : da en
  • CH204475A - Hollow glass brick. : de en
  • DE675823C - Process for the separate production of calcium-containing fertilizers and phosphoric acid or Phosphate fertilizers : de en
  • US2158275A - High leakage transformer : en
  • US2158559A - Production of motor fuel : en
  • US2158243A - Casing cutter : en
  • US2158446A - Composition adapted to liberate free iodine : en
  • US2158887A - Electrical sequencing control : en
  • FR841201A - Process for manufacturing hydrocarbon oils from solid coal : en fr
  • GB505741A - Improvements in or relating to vehicle wheels : en
  • GB505856A - Improvements in and relating to wave front indicators : en
  • FR841244A - Improvements to glass furnace feed devices : en fr
  • FR841297A - Copy and engraving machine : en fr
  • FR841253A - Needle nozzle for fuel injection in diesel engines : en fr
  • FR49627E - Receiving device of t.s.f. including means to facilitate agreement : en fr
  • US2158134A - Stopping mechanism for sewing machines : en
  • FR841269A - Speed or flow regulator : en fr
  • GB505790A - Improvements in or relating to vertical re-heating furnaces : en
  • GB505849A - Improvements in and relating to the tempering of glass sheets : en
  • FR841239A - Starting device for internal combustion engines : en fr
  • FR841233A - Method and hammer for forging metal parts between two heads moving in opposite directions : en fr
  • GB505592A - Improvements in or relating to safety devices for platen printing machines : en
  • GB506073A - Improvements in or relating to three-phase transformers and three-phase choking coils : en
  • US2158696A - Pump lubricating apparatus : en
  • DE675659C - Process for the production of low molecular weight, unsaturated aliphatic carboxylic acid nitriles : de en
  • DE675906C - Electromagnetic pickup : de en
  • US2158525A - Production of hydrogen peroxide : en
  • US2158747A - Tire wrapper removing device : en
  • GB505853A - Poison for destroying insects, animals and the like : en
  • GB505949A - Improvements in lead alloys : en
  • DE675851C - Filing machine with a file that can be moved back and forth : de en
  • GB505962A - A portable and collapsible wardrobe or cupboard : en
  • FR841218A - Control device for variable capacitor : en fr
  • FR841350A - Hernial belt : en fr
  • GB505721A - An improved process for dehydrating comminuted potatoes and root crops : en
  • CH204504A - Shaft lifting device for looms. : de en
  • CH204747A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • USRE21081E - Hinge : en
  • US2158735A - Steam boiler : en
  • DE675887C - Device for the mixed drive of a vehicle, in particular a rail vehicle : de en
  • US2158683A - Closure cap : en
  • US2158871A - Regulating system : en
  • US2158595A - Method for the disposal of sewage : en
  • US2158875A - Antenna system : en
  • USD114885S - Design fob a dress : en
  • FR49635E - Mechanical device for selective control of the brush-holder crowns of three-phase shunt-type commutator motors to adjust the speed of straight knitted looms : en fr
  • FR841283A - Tube, in particular coiled tube or similar container and method of manufacture thereof : en fr
  • FR49612E - Device for compensation of temperature errors in measuring devices for high frequency current : en fr
  • GB505702A - Improvements in or relating to cowlings for air-cooled aircraft engines : en
  • US2158584A - Course finding method and apparatus : en
  • US2158856A - Mercury boiler : en
  • US2158977A - Machine for preparing corn for canning on the cob : en
  • GB505801A - Process and apparatus for the impregnation of fibre fleeces with binding agents : en
  • GR8216B - LIQUID TYPE HYDROMETER. : el en
  • US2158110A - Treatment of textile fabrics and the : en
  • US2158228A - Electric drill : en
  • US2158836A - Production of light-sensitive diazotype layers : en
  • US2158874A - Photographic sound recording : en
  • US2158760A - Rubber hydrohalides and processes of preparing the same : en
  • US2158267A - Ball cock : en
  • AU468238A - Clinker cooling : en
  • CA381411A - Synchronous motor control system : en fr
  • DE675835C - Arrangement for voltage regulation of synchronous machines : de en
  • FR841392A - Heterodyne wave meter : en fr
  • FR841242A - Process for isolating reaction mixtures, for separating from each other and for purifying carbonyl compounds obtained by degradation of side chains of steroids : en fr
  • FR841223A - Pump with cell rotor sealed by a liquid ring : en fr
  • US2158789A - Handle mounting for window operating means and the like : en
  • CA381361A - Valve reseater : en fr
  • CH204758A - Process for the preparation of a new therapeutically effective amidine. : de en
  • CA381475A - Blasting charge : en fr
  • USD114804S - Design for a vase ob similar article : en
  • US2158850A - Temperature control device : en
  • US2158847A - Elastic coupling : en
  • FR841206A - Electric oven : en fr
  • GB505891A - Improvements in and relating to grinding, polishing and like machines : en
  • DE662786C - Method and device for generating long-wave ultrared radiation used in various frequency ranges and polarization properties for treating patients : de en
  • GB505821A - Improvements in or relating to feed mechanism for slicing machines : en
  • GB506030A - Improvements in or relating to gland packings : en
  • FR841298A - Rotation device for machine tools : en fr
  • DK56181C - Swing bearing device by Wheel for Transport Wagons. : da en
  • GB505656A - Improvements in and relating to protective equipment for electrical power systems : en
  • GB505813A - Improvements in portable bridge structure : en
  • GB505969A - Improvements in or relating to electric switches having butt contacts : en
  • US2158347A - Portable dispensing apparatus : en
  • US2158077A - Framing light shutter lifter : en
  • US2158147A - Method of producing textile fabrics : en
  • DE675725C - Device for peeling fruits, potatoes, etc. Like. With a replaceable razor blade : de en
  • CA381431A - Flexible power transmission drive : en fr
  • AU192838A - Frequency stabilizing arrangement : en
  • US2158124A - Heavy fuel engine : en
  • US2158896A - Automatic folding machine : en
  • USD114877S - Design fob a scarf : en
  • DE675910C - Method of measuring luminance differences : de en
  • US2158606A - Windmill : en
  • US2158702A - Meat mold : en
  • DE675701C - Jig that can be placed on the workpiece for drilling insert sockets on the parting line : de en
  • US2158253A - Hog feeder : en
  • US2158632A - Textile stretching apparatus : en
  • USD114842S - Design for a printing machine : en
  • USD114808S - Design for a frame for a display : en
  • US2158671A - Dewaxing oil : en
  • GB505671A - Improvements in and relating to a sheet metal can or like container : en
  • GB505870A - Improvements in and relating to electric valve circuits : en
  • CA381372A - Child's identification device : en fr
  • CH204537A - Glue machine. : de en
  • US2158226A - Feeding device : en
  • CH204538A - Thumbtack. : de en
  • CA12385S - Dough and bread cutter : en
  • USD114827S - Design for a casing for door closing : en
  • DE675776C - Pavement made of natural or artificial stone : de en
  • DE675793C - Device to prevent the transmission of shocks or vibrations : de en
  • GB505670A - Improvements in electric circuits for operating electric discharge devices from an alternating current supply : en
  • CH204551A - Device for registering a second measured variable related to a first measured variable. : de en
  • CH204649A - Electro-acoustic apparatus with a lightweight membrane. : de en
  • CH204656A - Tubular outer conductor for concentric cables. : de en
  • CH204687A - Process for the production of a condensation product. : de en
  • US2158070A - Valve : en
  • USD114866S - Container cap : en
  • DE675917C - Shredding machine for vegetables, fruit or the like. : de en
  • DE675760C - Sugar snapping device with rotating pair of snapping knives : de en
  • CA381370A - Stretching apparatus for screen cloths : en fr
  • US2158085A - Advertising display case : en
  • USRE21087E - Vacuum switch : en
  • DE675775C - Process for the production of tanning condensation products of lignosulphonic acid : de en
  • US2158169A - Dewatering method : en
  • US2158221A - Rack for rubber stamps or the like : en
  • USD114833S - Design for a casing for : en
  • CH204486A - Process for the production of a solid fuel. : de en
  • AU107351B2 - Improvements in or relating to cathode ray television transmitting tubes : en
  • DE675744C - Projection lamp holder : de en
  • FR841382A - Improvements to presses for the manufacture of fuel agglomerates : en fr
  • GB505851A - Improvements in or relating to bumpers or collision guards for vehicles : en
  • GB505868A - Animal glue compositions : en
  • CA381369A - Food preparing implement : en fr
  • CH204581A - Terminal screw connection with fuse. : de en
  • US2158218A - Method of closing metal drums : en
  • US2158580A - Lawn trimmer and edger : en
  • GB505692A - Improvements relating to the securing of branch or service connections to main pipes and similar connections : en
  • US2158252A - Inductive tuning system : en
  • US2158425A - Vacuum steam distillation of heavy oils : en
  • FR49629E - New modulation process : en fr
  • FR841373A - Building material and its applications : en fr
  • FR49607E - Process for the preparation of copper or schweinfurt green aceto-arsenite : en fr
  • FR841342A - Door closing, especially for furniture doors : en fr
  • CH204543A - Footplate for ski bindings. : de en
  • AU394738A - Method of hydrocarbon oil conversion : en
  • CH204569A - Control device on machine tools with several work slides. : de en
  • CH204579A - Locking device for pulling elements. : de en
  • US2158239A - Acrylates : en
  • US2158855A - Hydraulic press for cable connectors : en
  • US2158602A - Electrical heating apparatus : en
  • US2158973A - Automobile traffic signal : en
  • FR841313A - Reflector luminaire for lighting large areas : en fr
  • US2158317A - Circuit breaker : en
  • DE675772C - Allocation or entry device for containers with internal overpressure : de en
  • CA381469A - Central-heating boiler : en fr
  • DE675854C - Securing the presses against overload by means of a liquid cushion : de en
  • GB505788A - Improvements in mowing machines : en
  • US2158315A - Scrap collector for cigar machines : en
  • US2158393A - Well apparatus : en
  • USD114794S - Design fob a scarf or similar article : en
  • US2158761A - Key cutting machine : en
  • NL46843C - : en
  • DE675696C - Spark plug : de en
  • US2158319A - Can opener : en
  • DE675693C - Two-stroke internal combustion engine : de en
  • FR841383A - New cathode ray tube for image transmission : en fr
  • CH204570A - Method and device for increasing the strength values of workpieces consisting in particular of an aluminum and magnesium alloy with a cross-section that decreases from one end to the other. : de en
  • US2158726A - Table : en
  • US2158934A - Protective means for hot-cathode rectifiers : en
  • DE675718C - Bell bowl for lute works u. like : de en
  • US2158618A - Tricycle : en
  • US2158755A - Laminated sheet material for use in making paper bags or wrappers : en
  • US2158129A - Display device employing polarized light : en
  • GR8209B - METHOD OF SEPARATION OF VEGETABLE AND ANIMAL OILS AND FATS, IN STEATE, PULSE AND OILS BY EXTRACTION. : el en
  • US2158242A - Staple for blind stitching : en
  • FR841439A - long-rest cylinder escapement, particularly applicable to time fuses with clockwork movement : en fr
  • GB505789A - Improvements in or relating to control valves of apparatus for the production of gases by cyclic operation : en
  • FR841410A - Process for obtaining acetylene : en fr
  • US2158139A - Regenerator of a coke oven battery : en
  • US2158059A - Control system for steam jet refrigerating mechanism : en
  • US2158132A - Magnet body and process of making the same : en
  • US2158208A - Attachment for motion picture machines : en
  • US2158458A - Method and apparatus for evaporating liquid oxygen : en
  • USRE21085E - Method and means of perforating : en
  • US2158782A - Apparatus for feeding countercurrent extraction units : en
  • FR841305A - Fabric-fur : en fr
  • GB505899A - Improvements in or relating to coupling means for thermionic valve circuits : en
  • GB505719A - Physical training appliances : en
  • GB506056A - Edging tiles for roofs and other surfaces : en
  • DE675743C - Arrangement for the protection of converter conversion equipment : de en
  • USD114870S - Design for a lens for a headlight or : en
  • FR49605E - Packing box, removable, in wood : en fr
  • GB505691A - Improvements in and relating to means for controlling the actuation of reciprocating rammers for advancing and slicing fuel on furnace grates : en
  • US2158780A - Vehicle : en
  • US2158992A - Method and solution for pickling and cleaning metal : en
  • US2158309A - Automatic cut-off : en
  • US2158520A - Process for the production of hard carbides : en
  • US2158539A - Garment hanger : en
  • FR841209A - Device for intercepting poorly conductive precipitates in heated vessels : en fr
  • FR841237A - Improvements to lane departure indicators : en fr
  • US2158079A - Slide fastener and method of making it : en
  • US2158369A - Electric switch : en
  • US2158657A - Switching apparatus : en
  • US2158852A - Electric socket : en
  • CH204591A - Self-regulating pump. : en fr
  • DE675781C - Extensible execution of the stranded conductor of an electrical cable from the termination : de en
  • FR49619E - Dental muffle with wedge closure device : en fr
  • FR841345A - Double wall panel : en fr
  • DK56176C - Manure spreader. : da en
  • DK56161C - Process for the production of hydrocarbons from carbon or carbon compounds. : da en
  • DE675819C - Steam boiler for coal dust : de en
  • DK56164C - Telephone systems or similar Remote signaling systems with Subscriber devices with ATM. : da en
  • GB505751A - Improvements in or relating to cathode ray tubes : en
  • AU107336B2 - Anew or improved stapling mechanism : en
  • US2158659A - Protector for clotheslines : en
  • US2158682A - Shutter : en
  • CH204521A - Process for the preparation of a thiodiphenylamine derivative. : de en
  • GB505599A - Improvements in or relating to compositions containing cellulose derivatives : en
  • US2158826A - Head-bar organization for venetian blinds : en
  • USD114783S - Design fob a flower basket : en
  • DE675518C - Circuit for blocking regenerative reception for telegraphy on ultra-short waves : de en
  • FR841421A - Recessed headlight for vehicles, in particular for automobiles : en fr
  • US2158095A - Regenerative furnace : en
  • US2158184A - Toning and intensifying solutions : en
  • US2158323A - Brake operating mechanism : en
  • USD114803S - Design fob a vehicle : en
  • USD114805S - Design for a combined light bracket : en
  • US2158853A - Image reproduction : en
  • US2158768A - Can filling machine : en
  • FR841374A - : fr
  • FR841312A - Air grenades : en fr
  • GB505954A - Improvements in, and in means for use in, casting metals : en
  • GB505947A - Improvements in or relating to yarn winding machines : en
  • DK56177C - Knife drum for beet cutters. : da en
  • GB505803A - Apparatus for indicating variations in strata penetrated by deep bore-holes : en
  • FR49620E - New high molecular weight products and their production process : en fr
  • FR841214A - Meat slicer : en fr
  • GB505872A - Voltage divider : en
  • US2158322A - Stringed musical instrument : en
  • US2158586A - Clock : en
  • US2158810A - Bearing lubrication : en
  • US2158652A - Steel : en
  • US2158819A - Auxiliary air control valve : en
  • US2158915A - Rifle front sight illuminator : en
  • USD114828S - Design for a casing for door closing : en
  • USRE21078E - Cash register : en
  • FR841438A - Coolant for engines : en fr
  • DE675768C - Method and device for the production of flat objects made of rubber and fabric with a raised patterned surface : de en
  • DK56180C - Method and Apparatus for Manufacture of Pressed Goods. : da en
  • US2158421A - Overhead trolley system : en
  • US2158442A - Sleeve valve engine : en
  • GB506040A - Improvements in or relating to locks : en
  • SE95711C1 - : en
  • DK56170C - Method for Welding Metallic Container Parts of an Electric Discharge Pipe. : da en
  • GB505687A - Improvements in metallic display or storage shelving : en
  • GB505855A - Improvements in and relating to motor-driven tractors : en
  • FR841372A - Scaffolding process for the construction of structures whose walls have a curved profile : en fr
  • GB505845A - Improvements relating to hinges for oven doors and the like : en
  • US2158467A - Table top construction : en
  • US2158762A - Curtain : en
  • US2158779A - Crusher : en
  • FR841391A - Electric soldering iron : en fr
  • GB505713A - Improvements in internal combustion engines with compression ignition : en
  • FR841427A - Liquid fuel burner : en fr
  • GB505706A - Selecting and conveying apparatus for card indexes : en
  • AU177238A - Improvements in or relating to methods and means forthe de-fibring and de-inking of papers : en
  • US2158864A - Metal composition : en
  • CH204673A - Material for making a motor vehicle wheel anti-slip. : en fr
  • USD114780S - Design for a flower basket : en
  • USD114789S - Design for a projection viewing : en
  • US2158209A - Sound signaling : en
  • US2158372A - Spring hook : en
  • FR841366A - Safety device for degreasing machines using volatile products : en fr
  • FR49621E - Tamper-proof bottle cap : en fr
  • GB505726A - Improvements in or relating to rubber gas-masks : en
  • US2158159A - Ophthalmic mounting : en
  • FR841448A - High voltage transformer, especially voltage transformer : en fr
  • GB505680A - Improvements in or relating to coin controlled apparatus : en
  • CH204728A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • GB505928A - Improvements in or relating to hydraulic brake apparatus : en
  • FR841444A - System for mounting and fixing air vents or others, in the headgear : en fr
  • GB505718A - Improvements in apparatus for decontaminating objects attacked by war chemicals : en
  • GB505810A - Improvements in process and apparatus for the deodorization of animal and vegetable oils : en
  • FR841227A - Improvements to methods and devices for removing soluble impurities contained in solid substances : en fr
  • FR841357A - Process for obtaining a cast stainless steel for dental prosthesis (appliances, crowns, bridges, etc.), coating and product for its production : en fr
  • FR841296A - Soybean Processing Improvements : en fr
  • FR841202A - Sanitary napkin made of absorbent material : en fr
  • FR841340A - Improvements to the means for watering plants, in particular potted plants : en fr
  • FR841225A - Color photography process : en fr
  • AU183538A - Gain control circuits : en
  • CH204739A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • AU107375B2 - Synchronisation method and means for television : en
  • GB505959A - Improvements in tear resisting rubber sheeting and methods of producing the same : en
  • DE675654C - Process for producing trimmed stone blocks : de en
  • US2158396A - Pistol rod : en
  • US2158486A - Amine alginate product and process : en
  • FR841449A - Tuning of continuous combustion gas turbine installations comprising a turbine for driving the compressor and a turbine for providing useful power, particularly for marine propulsion : en fr
  • US2158302A - Anchoring for concrete or the like : en
  • USD114864S - Design for a traffic signal : en
  • DE675599C - Process for the transmission of character images corresponding pulse series : de en
  • DE675716C - Coupling for double windows : de en
  • FR841302A - Insert for the opening between a combustion space and the cylinder space of a diesel engine : en fr
  • FR841446A - Installation of gas turbines for the propulsion of ships and aircraft : en fr
  • CH204642A - A method and apparatus for the manufacture of tapes and other plasterwork pieces and a plasterwork piece obtained by this method. : en fr
  • US2158805A - Portable cooking stove : en
  • US2158814A - Fishing tool for drill stems : en
  • USRE21084E - Variable traffic signal : en
  • CA381391A - Waterproofing method for hygroscopic materials : en fr
  • CH204587A - Device for starting up a working machine for automatic operation. : de en
  • CH204640A - Auxiliary part for dental and general prosthetics, for orthodontic and medical apparatus and other such objects. : de en
  • FR841252A - Device for actuating clamping devices on automatic multi-spindle revolvers : en fr
  • AU107338B2 - Clinker cooling : en
  • US2158985A - Gas supply apparatus : en
  • DE675882C - Multi-stage high pressure boiler feed pump for high speed : de en
  • US2158307A - Optical system and method of adjustment thereof : en
  • US2158528A - Multiform envelope : en
  • FR49601E - Process for perfecting metal chip-free shaping by drawing : en fr
  • DE675780C - Coupling device for high frequency circuits : de en
  • GR8210B - PRESSURE POINT WITHOUT COMPOUNDS OR OTHER NEW TYPE ANOMALIES (FORM). : el en
  • FR841437A - Process for refining hydrocarbon oils : en fr
  • GB506253A - Improvements in or relating to the colouration of materials made of or containing cellulose derivatives : en
  • GB505690A - Improvements relating to gas heated hot plates for use in cooking operations : en
  • FR841311A - Device for transferring a wheeled gun carriage from its road position hitched to the front end to the firing position on the platform, and vice versa : en fr
  • US2158306A - Direct dyes, process and product : en
  • FR841308A - Apparatus for electro-photographic reproduction of documents : en fr
  • FR841324A - Leonardo control device, in particular for controlling aiming machines and oscillation mechanisms of gun turrets : en fr
  • USD114854S - Design fob a card holder : en
  • GB505992A - Improved stormproof threshold for doors : en
  • DE675879C - Jigger with spreaders : de en
  • CH204694A - Process for the preparation of 4-methyl-5-oxyethylthiazole. : de en
  • DE675634C - Use of aluminum alloys for bearings : de en
  • FR841387A - Apparatus for scraping, cleaning and polishing wooden surfaces, for example parquet floors and the like, with automatic sharpening of the knife edge : en fr
  • CH204499A - Process for the production of products from regenerated cellulose according to the viscose process, with a smooth surface, especially staple fibers with round fibrils. : de en
  • GB505951A - Improvements in or relating to electric discharge devices : en
  • US2158588A - Method and composition for improving milling products : en
  • US2158673A - Overfeed stoker : en
  • CA381417A - Hydrocarbon production : en fr
  • CH204771A - Process for the preparation of a new aliphatic-aromatic substituted ester of estradiol. : de en
  • NL83811B - : en
  • US2158362A - Defecator : en
  • US2158599A - Ski attachment : en
  • CH203166A - Tuning peg for stringed musical instruments. : en it
  • US2158183A - Barber's chair : en
  • US2158108A - Control system : en
  • GB505784A - Improvements in the production of sliver, yarn and the like from glass or like fibres : en
  • GB505930A - Improvements in or relating to cigarette rod-testing machines : en
  • GB506032A - Improvements in or relating to electric distant control apparatus : en
  • USD114809S - Design for a display board or the : en
  • CH204541A - Device for forming a rescue sled with the help of two skis that serve as runners. : de en
  • US2158300A - Retractable landing gear : en
  • CH204616A - Protective device against excessive heating on vehicle alternators with strongly changing speed. : de en
  • CH204736A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • DK56159C - Procedure for the manufacture of fat emulsions for bakery use. : da en
  • GB505931A - Improvements relating to suction cleaner nozzles : en
  • CH204586A - Winch. : en fr
  • DE675715C - Device for changing the use of brake groups in hydraulic brakes : de en
  • DE675902C - Folding device for curtains, drapes or the like. : de en
  • CH204535A - Treatment bath for producing colored photographic images. : de en
  • US2158815A - Washing machine : en
  • US2158219A - Method of producing photographic emulsions : en
  • US2158222A - Compensating valve mechanism : en
  • DE675912C - Device for the optical verification of the spatial position of a light source : de en
  • GB505920A - Improvements relating to cycle and like saddles : en
  • GB506161A - Treatment of aqueous liquid dairy emulsions to render them resistant to the development of oxidised taste and flavour : en
  • IE15812L - Springing of rear-engined vehicles : en
  • CA381352A - Wood preparation for grinding : en fr
  • US2158283A - Dyestuffs : en
  • US2158639A - Toy : en
  • DE675919C - Connector for drive belts consisting of individual steel wire hooks : de en
  • CA381400A - Watthour meter : en fr
  • DE675904C - Scales with a counter serving to add up the weight values : de en
  • GB505667A - Improvements in or relating to spindle bearings : en
  • US2158868A - Electric equipment : en
  • CA381462A - Radial engine : en fr
  • GB505874A - New or improved apparatus for tensioning yarn drawn from a cheese, bobbin or the like : en
  • US2158379A - Collar support for shirts : en
  • USD114857S - Design fob a child s coat ob similar : en
  • US2158677A - Clutch : en
  • CA381418A - Hearse casket rack : en fr
  • CH204651A - Receiving arrangement for carrier current systems with level controls. : de en
  • US2158178A - Lens system : en
  • US2158176A - Forming die for shaping tubes : en
  • USRE21090E - Rubber process : en
  • US2158512A - Filter : en
  • US2158301A - Tobacco pipe : en
  • US2158583A - Type binding means : en
  • US2158058A - Machine tool chuck : en
  • US2158613A - High frequency inductance coil : en
  • US2158061A - Dragline bucket : en
  • US2158839A - Dry gas meter : en
  • USD114806S - Design for a frankfurter cooker : en
  • FR841394A - Advanced labeling device : en fr
  • GB505965A - Apparatus for the manufacture of glassware : en
  • CH204497A - Cabinet. : de en
  • USD114749S - Design for a game device : en
  • US2158692A - Sterilizer : en
  • USD114817S - Design for a doily ob similar article : en
  • US2158750A - Flush tank control : en
  • CH204638A - Lighting device in low-voltage AC systems. : de en
  • CA381426A - Printing mechanism : en fr
  • CH204615A - Step switch on oil transformers. : de en
  • US2158305A - Connector block : en
  • US2158956A - Arylamino-derivatives of 2,4-dinitrophenol : en
  • DE675794C - Multi-disc friction clutch : de en
  • DE675717C - Combined security system for bullet fuses : de en
  • AU282538A - Automatic frequency control systems for use in multiband receivers : en
  • GB505823A - Improvements in piston pumps : en
  • US2158457A - Vehicle for mixed propulsion by wheels and endless tracks : en
  • US2158563A - Presser foot for sewing machines : en
  • US2158585A - Typewriting machine : en
  • US2158799A - Method of welding : en
  • FR841408A - Apparatus for calculating the speed of a moving goal, in particular of airplanes : en fr
  • CH204714A - Process for the preparation of an azo dye containing complexed cobalt. : de en
  • CA381466A - Layer or sheet drying apparatus : en fr
  • FR49641E - Grooved pulley for driving metal cables : en fr
  • GB506043A - Improvements in or relating to the cylinders of engines : en
  • US2158568A - Pneumatic hammer : en
  • FR841213A - Device for feeding sheets to machines for making paper cases or envelopes : en fr
  • CH204724A - Carburetor. : de en
  • CH204650A - Arrangement for amplifier systems, in particular for intermediate and final amplifiers when messages are transmitted over lines. : de en
  • US2158237A - Make-ready and proof machine : en
  • CA381408A - Coil making apparatus : en fr
  • US2158566A - Water faucet : en
  • US2158255A - Permeability-tuned intermediatefrequency transformer : en
  • GB505697A - Improvements in combinations of electric discharge devices with materials adapted to be excited to luminescence by the discharge : en
  • CH204589A - Pump unit with a centrifugal pump and a ventilation pump. : de en
  • FR841221A - Process for the treatment of zeine solutions : en fr
  • GB505699A - Improvements in or relating to injection moulding machines and feeding devices therefor : en
  • FR841240A - Starting device for internal combustion engines : en fr
  • US2158688A - Paper pastry cone : en
  • GB505902A - A portable time-controlled animal feeding box : en
  • USD114882S - Design fob a dress : en
  • AU107364B2 - Improvements inthe destructive hydrogenation of recent brown coals : en
  • FR841381A - Improvements to synchronous remote controls : en fr
  • DE675806C - Process for the production of copper rayon in a spinning funnel : de en
  • USD114850S - Design fob a handkebqhief ob : en
  • GB505852A - Improvements in or relating to watercraft for life-saving and other purposes : en
  • FR841281A - Tubular recovery steam boiler, with multiple water inlet and under pressure : en fr
  • FR841386A - Household waste reception and draining device : en fr
  • GB505953A - Improvements in the manufacture and production of high quality benzine and diesel motor fuels : en
  • FR841320A - Electric welding machine : en fr
  • US2158201A - Lens : en
  • US2158914A - Oil case draining and cleaning apparatus : en
  • US2158384A - Automatic switch for use in telephone or like systems : en
  • US2158634A - Automotive ignition booster system with automatic starting control : en
  • GB505804A - Improvements in mixing machines : en
  • DK56175C - Precision manometer. : da en
  • FR841323A - Gas meter with plastic housing : en fr
  • DE675812C - Process for influencing the ash in briquettes made from fine fuel : de en
  • DE675845C - Device for adjusting a display body in relation to an upright surface or in space : de en
  • US2158295A - Automatic phonograph : en
  • US2158888A - Synchronized escapement clock : en
  • US2158579A - Apparatus for recondftioning or painting pipe lines : en
  • DE675824C - Probe rod arrangement for shaft ovens, especially foundry shaft ovens : de en
  • FR841210A - Method for heating molten baths and the like : en fr
  • GB506336A - Improvements relating to alternating current voltage regulators : en
  • DE675727C - Salt bath for the heat treatment of light metals and light metal alloys : de en
  • AU430738A - Improvements in or relating to sliding clasp fasteners : en
  • US2158114A - Ultra-high frequency multiplier : en
  • US2158161A - Center iron bearing : en
  • US2158481A - Prolamine base composition : en
  • US2158909A - Coin and slug separating device : en
  • US2158291A - Post construction : en
  • US2158163A - Method of bleaching oils and fats : en
  • US2158904A - Washing machine : en
  • USD114836S - Design fob a textile fabric ob : en
  • CA381380A - Eyeglasses : en fr
  • US2158504A - Process for cracking oils : en
  • US2158382A - Dry expansion unit : en
  • GR8203B - TYPE OF MOSAIC TILES. : el en
  • DE675675C - Folding machine for either longitudinal or transverse folding of the sheets in the first break by means of a folding unit that works in cycle : de en
  • GB505890A - Improvements in the purification of masses containing calcium hydroxide : en
  • GB505923A - Machine for reading perforated cards : en
  • DE675764C - Extinguishing agent for electrical fuses : de en
  • US2158669A - Method of and apparatus for drawing glass : en
  • DE675892C - Cable bar : de en
  • DE675814C - Device for limiting the fluctuations in the electrolyte level in high pressure water disintegrators : de en
  • DE675907C - Sound recorder : de en
  • DE675915C - Garbage collector for binding mower : de en
  • IE15348L - Electric glow discharge lamps : en
  • FR841411A - Motor drive of a camera : en fr
  • GB505698A - Improvements in or relating to plate type heat exchangers for fluids and filters therefor : en
  • US2158260A - Window lock : en
  • US2158809A - Heat exchanger : en
  • US2158831A - Nest structure : en
  • USD114860S - Design for a handbag : en
  • GB505979A - Manufacture of sensitised photographic silver halide emulsions : en
  • GB506026A - Improvements in or relating to vehicle chassis frames : en
  • FR841436A - Device for the construction of walls for refrigerated cabinets : en fr
  • FR841231A - Improvements to movable joints of the separable type and fluid mattress, advantageously applicable, in particular, to diving suits, diving bells, cylinders and other underwater devices : en fr
  • FR841388A - Wet process for refining non-ferrous metals : en fr
  • US2158078A - Fastener element and method of producing it : en
  • US2158833A - Stuffing box : en
  • US2158878A - Electric control system : en
  • GB505940A - Improvements in and relating to processes for recovering volatile substances from fermentation waste gases : en
  • FR841304A - Photographic equipment for color photography : en fr
  • GB505759A - Method of making rubber hydrohalides and product thereof : en
  • GB505957A - A combination toilet article comprising a brush and comb : en
  • US2158363A - Electrode terminal construction : en
  • FR49631E - Power shoe for all intensive exercises and especially for skiing : en fr
  • US2158412A - Wall construction : en
  • DE675653C - Ski holder for waxing skis : de en
  • US2158739A - Target trap : en
  • DE675571C - Carburetors for internal combustion engines : de en
  • GB505770A - Improvements in rubber hydrohalides : en
  • DE675803C - Cutting device for strapping made of iron or steel tape of packages : de en
  • DE675713C - To adjust the pitch of propellers specific adjusting device with a clutch worm gear : de en
  • US2158344A - Propeller mounting for toy airplanes : en
  • US2158216A - Carton structure : en
  • US2158679A - Pumping pendulum : en
  • GB505824A - Improvements in or relating to roll heaters : en
  • GB505915A - Improvements in bearings : en
  • USD114769S - Design fob a smoking stand : en
  • CH204578A - Process for the production of sculptures in the manner of glass etchings. : de en
  • DE675740C - Hollow support insulator : de en
  • FR841319A - Method and devices for acting on the sound intensity value of sound recordings : en fr
  • US2158244A - Clutch plate : en
  • US2158960A - Hydroxy-alkyl ethers : en
  • USD114879S - Design fob a dress : en
  • US2158645A - Shock absorber packing and sealing structure : en
  • USD114778S - Design fob a flower basket : en
  • AU107355B2 - Automatic frequency control systems for use in multiband receivers : en
  • AU107368B2 - Improvements in or relating to photographic cameras : en
  • CH204512A - Bandage that can be used as a scarf and headgear. : de en
  • CH204574A - Installation for slitting a rubber tape made up of wires joined together by adhesion. : en fr
  • GB506254A - Improvements in or relating to gland packings : en
  • CA381458A - Axle journal rolling apparatus : en fr
  • US2158205A - Dam : en
  • US2158341A - Cooker : en
  • US2158416A - Method and apparatus for the production of artificial fibers : en
  • US2158523A - Production of alkali metal peroxides : en
  • CH204621A - Discharge vessel. : de en
  • FR841416A - Improvements to machines for transplanting jacquard cartons and verdol endless paper : en fr
  • GB505735A - Improvements in and relating to packing devices, especially for bobbins or cones of textile materials, artificial silk or articles having a hollow central portion : en
  • US2158327A - Power transmission and speed reducer : en
  • CH204476A - Drilling machine. : de en
  • GB505716A - Improvements in handle fastening devices for brushes or the like : en
  • US2158953A - Load transferring and aligning device : en
  • NL45756C - : en
  • GB505861A - Improvements in or relating to colour photography : en
  • GB505987A - Improvements in closing devices for paper bags and similar containers : en
  • GB505925A - Improvements in or relating to decorative articles and to a method of manufacture thereof : en
  • GB505588A - Apparatus for submerging into sub-aquatic layers of mud or clay : en
  • GB505862A - Improvements in and relating to means for storing and sowing seeds : en
  • DE666886C - Epicyclic gears, especially for motor vehicles : de en
  • DE675839C - Adjustable fastening of a resilient backrest support below a chair seat : de en
  • FR841299A - Process for preparing alkali and ammonium salts of polyacrylic acid and its homologues : en fr
  • FR841330A - Medium for adjusting the chain of bicycles, motorcycles, etc. : en fr
  • FR841259A - Improvements to acyclic dynamos : en fr
  • GB505934A - Improved process of and means for obtaining glass-fibres : en
  • GB505966A - Improvements in and relating to motor propelled toy vehicles : en
  • US2158650A - Manufacture of oxidation products of paraffin hydrocarbons : en
  • US2158120A - Detachable drill bit : en
  • FR841267A - Apparatus for measuring the degree of finish of warp threads : en fr
  • GB505963A - Improved drive for exhaust-driven centrifugal blowers of internal-combustion engines : en
  • DE675860C - Flare or signal projectile for firing from the muzzle of firearms : de en
  • DE675798C - Process for the production of a long-lasting, scatterable, egg-free breading : de en
  • US2158324A - Evaporator coil and the like : en
  • AU282738A - Interpolymerzation products and process of producing same : en
  • GB505924A - Improvements in or relating to pole or like fittings : en
  • CH204505A - Pricking device. : de en
  • CA381476A - Radio receiver : en fr
  • US2158658A - Distribution panel : en
  • US2158680A - Process for fractionation of : en
  • CH204548A - Endurance testing machine for springs. : de en
  • CH204737A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • AU182938A - Improvements in or relating to cathode ray television transmitting tubes : en
  • DE675707C - Milling cutter for milling bones : de en
  • GB505946A - Improvements in or relating to shoulder-controlled firearms : en
  • AU268538A - Improvements in or relating to call duration recording in telephone systems : en
  • CH204655A - Circuit arrangement with a cathode ray tube. : de en
  • CH204684A - Device for holding carpets on carpet support rods. : de en
  • CH204582A - Machine screws. : en fr
  • US2158616A - Necktie holder : en
  • US2158273A - Controllable cowling : en
  • US2158452A - Tank valve : en
  • US2158700A - Brake mechanism : en
  • US2158724A - Stabilized composition : en
  • US2158957A - Hydroxy-alkyl ethers of substituted phenols : en
  • AU5038A - Synchronisation method and means for television : en
  • DE675720C - Ignition lights with slowly burning ignition charges : de en
  • CA381353A - Envelope : en fr
  • USD114816S - Design for a scarf or similar article : en
  • AU220739A - Improvements relating to the manufacture of p-alkoxyaldehydes : en
  • US2158340A - Combined earth scraper, spreader, and dumper : en
  • USD114884S - Design for a : en
  • CH204506A - Sewing machine head. : de en
  • CH204751A - Process for the preparation of a new carbonic acid derivative. : de en
  • GB505802A - Improvements in apparatus for indicating the presence of an explosive or combustible gas : en
  • GB505944A - Improvements in electrical follow-up devices : en
  • AU47038A - Improvements in and connected with internal combustion engines : en
  • CA381449A - Dialytic apparatus : en fr
  • CA381373A - Two-heeled sock : en fr
  • CH204597A - Starting device on internal combustion engines. : de en
  • CH204605A - Magnetic attraction and repulsion motor. : en fr
  • CH204733A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • AU107379B2 - Gain control circuits : en
  • CA381464A - Suction cleaner : en fr
  • US2158508A - Steam generator : en
  • CH204623A - Device with at least one high-frequency coil with a high-frequency iron core. : de en
  • FR49638E - Skin tanning process : en fr
  • GB505683A - Apparatus for playing an indoor ball game : en
  • US2158133A - Controlling device : en
  • USD114764S - Design for a desk : en
  • USD114839S - Design for a candle holder : en
  • CH204750A - Process for the preparation of a new carbonic acid derivative. : de en
  • DE675734C - Device for creating crepe folds in webs of paper : de en
  • DE675897C - Electric generator flooded by water : de en
  • GB505775A - An orthopedic apparatus for the treatment of the limbs : en
  • DE675779C - System of electrical oscillation circuits with increased tuning range : de en
  • CH204511A - Closing device on ski pants, in particular wedge pants. : de en
  • GB505675A - An improvements in or relating to flushing means for urinals : en
  • AU497238A - Improvements in oxygen tent equipments : en
  • US2158570A - Hair waving device : en
  • NL45664C - : en
  • US2158052A - Toy : en
  • CH204492A - High pressure acetylene apparatus. : en fr
  • AU107344B2 - Electro-optical system : en
  • DE675414C - Arrangement for the boiler storage of Mallet locomotives : de en
  • US2158496A - Transmission line : en
  • GB505973A - Improvements in or relating to the washing or cleansing of dishes, crockery and the like : en
  • DE675757C - Motor-driven tool for tightening and loosening screws : de en
  • DE675792C - Device for actuating an electric starter for internal combustion engines : de en
  • US2158530A - Thermoplastic derivatives of rubber : en
  • US2158737A - Control valve for liquids of variable viscosities : en
  • GB505942A - Process for manufacturing of thin rubber sheets : en
  • US2158116A - Retaining device : en
  • US2158370A - Dewaxing with evaporative cooling : en
  • US2158390A - Open mesh fabric : en
  • US2158777A - Carburetor : en
  • CH204514A - Slider for zippers. : de en
  • CA381421A - Absorption refrigeration apparatus : en fr
  • CH204577A - Optical profile grinding machine. : de en
  • GB505611A - New vat dyestuffs : en
  • DE675844C - Optical-electrical device for the blind to convert print to Braille : de en
  • GB505613A - Improvements in electric thermal switches : en
  • US2158353A - Method of producing hydrocarbons suitable for motor fuel : en
  • US2158748A - Manufacture of electrical rectifiers : en
  • US2158620A - Coupling : en
  • CH204738A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • FR841412A - Improvements to cameras : en fr
  • US2158279A - Cathode bay tube : en
  • GB505780A - Improvements in control means for web wrapping machines : en
  • CH204634A - Process for the production of lamp bases from tempered glass or quartz glass. : de en
  • USD114799S - Design for a wedding gown : en
  • FR49640E - Device for handling coffins in pits or vaults : en fr
  • GB505603A - Improvements in or relating to liquid-insulated electric circuit-breakers : en
  • GB505710A - Improvements in and connected with silicated compositions : en
  • GB505833A - Improved means for extinguishing cigarettes, matches and the like : en
  • GB505666A - Improvements in or relating to methods of producing porous, waterproof, form-retaining articles, as hats or the like : en
  • GB505769A - Improvements in sulphonated alkylated aromatic ethers : en
  • GB505956A - Improvements in teat cups for milking machines : en
  • CA381355A - Printing press inking device : en fr
  • US2158445A - Musical toy : en
  • US2158554A - Sound-reproducing device : en
  • DE675871C - Fritted metal bodies : de en
  • FR841262A - Process for separating salt water and solid particles from crude oils and the like : en fr
  • FR49606E - : fr
  • FR841216A - Electric heater : en fr
  • US2158286A - Web cutting and rewinding machine : en
  • US2158596A - Trucking vehicle : en
  • US2158501A - Tumbler lock : en
  • US2158822A - Radio frequency selection and oscillatory amplification element : en
  • DE675788C - Electrodynamic light control device : de en
  • DE675729C - Calculating machine or the like : de en
  • CH204509A - Device for ventilation, disinfection and heating of a pillow-like object. : de en
  • CH204697A - Process for the production of an organic mercury compound. : de en
  • FR49633E - Process for dehydrogenating aliphatic hydrocarbons of paraffinic and olefinic nature and their partially halogenated derivatives : en fr
  • US2158359A - Viscosity regulated fluid fuel control means : en
  • US2158414A - Propulsion gear for ship's boat : en
  • US2158464A - Controller : en
  • US2158249A - Plate finishing machine : en
  • US2158772A - Asphaltic coating and method for protecting pipe lines with same : en
  • US2158861A - Visor for collapsible caps : en
  • NL45787C - : en
  • US2158164A - Contact device : en
  • GB505961A - Improvements relating to jacketted containers : en
  • CA381425A - Multiplying machine : en fr
  • CH204741A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • CH204495A - Jig. : de en
  • US2158090A - Refrigerating apparatus : en
  • US2158432A - Toy : en
  • US2158594A - Dough divider and rounder : en
  • FR841375A - Switch for motor vehicle : en fr
  • GB505832A - An improved bicycle stand or support : en
  • DE675850C - Cooling device for saws that work with hot iron or cutting saw blades : de en
  • FR841208A - Salt bath tank for heat treatment of light metals : en fr
  • GB505750A - Improvements in process for the preparation of hevea latex concentrates : en
  • GR8211B - CROWN CROWN FOR ARTIFICIAL MATERIALS. : el en
  • GB505926A - Improvements in and relating to mixing amplifiers : en
  • US2158912A - Beater : en
  • USD114881S - Design for a dress ensemble : en
  • FR841435A - Process for cycling copper in the manufacture of cuproammoniacal rayon : en fr
  • DE675658C - Process for the production of higher molecular weight aliphatic alcohols : de en
  • DE675769C - Check printer for registering machines, e.g. Cash registers or accounting machines : de en
  • DE675859C - Protective cover that extends over the entire length of the rifle : de en
  • CH204619A - Earth fault protection and earth fault indication device for electrical systems. : de en
  • GB505839A - Manufacture of basic methine dyestuffs : en
  • GB505863A - Improvements in inhaling apparatus : en
  • DE675855C - Chassis, especially for trucks : de en
  • FR841265A - Index card box : en fr
  • GB505614A - Improvements in or relating to implements or appliances for cutting thistles and thelike : en
  • GB505867A - Improvements in or relating to circuit-arrangements for delayed automatic volume control in radio-receivers and the like : en
  • DE675722C - Process for the production of artificial stones or artificial stone slabs : de en
  • GB505689A - Improvements in devices for manipulating dice : en
  • FR49610E - Improvements to multi-grid lamps and their application methods : en fr
  • GB505865A - Improvements in or relating to sand spraying apparatus : en
  • DE675862C - Closing device for metal band tires of packages : de en
  • DE675896C - Arrangement to improve the commutation of DC or AC commutator machines with single or multiple loop windings and multiple shaft windings : de en
  • USD114848S - Design for a handbag : en
  • GB505783A - Improvements in terminals for electric conductors : en
  • DE675810C - Automatic electric starter : de en
  • US2158483A - Power take-off for motor vehicles : en
  • US2158928A - Tobacco cartridge and method of making same : en
  • US2158177A - Take-up mechanism for knitting machines : en
  • US2158168A - Clip-attaching device : en
  • AU107363B2 - Sickle drive for harvesters : en
  • AU111986B2 - Improvements relating to the manufacture of p-alkoxyaldehydes : en
  • FR841399A - Fractional coagulation process, particularly applicable to water purification, and basin allowing the implementation of this process : en fr
  • GB505591A - Improvements in or relating to multiplying machines : en
  • CH204661A - Corrector for eavesdropping apparatus. : de en
  • DE675706C - Brick crusher : de en
  • US2158701A - Printing press : en
  • USD114766S - Design fob a baking pan : en
  • FR841442A - Tensioning and closing devices for wire ties : en fr
  • AU111985B2 - The manufacture of diphenylsulphone derivatives : en
  • CH204652A - Combined telephone and broadcast apparatus. : de en
  • FR49618E - Power line isolated by an air gap : en fr
  • FR841376A - Thermal process for treating iron ore by reduction : en fr
  • US2158294A - Air conditioner : en
  • US2158785A - Liquid level indicator : en
  • AU107370B2 - Improvements relating to snap fastener sockets and installations thereof : en
  • US2158828A - Yarn rewinding set : en
  • USD114746S - Design fob a bottle : en
  • US2158548A - Compact : en
  • CH204658A - Gas alarm system. : de en
  • CH204628A - Discharge tube with pinch foot. : de en
  • CH204544A - Barrel cover on rifles. : de en
  • US2158338A - Furnace assembly : en
  • US2158719A - Lapel fastener : en
  • CH204565A - Washer, method of manufacturing the latter and set of tools for implementing this method. : en fr
  • CA381435A - Cigarette manufacturing machine : en fr
  • CA381386A - Psychrometer : en fr
  • CA381398A - Rolling mill system : en fr
  • US2158608A - Token dispenser : en
  • US2158969A - Coil mounting : en
  • CH204770A - Process for the preparation of a new ester of oestron. : de en
  • US2158581A - Means for use in spinning and in liquid-treating tubular rayon packages : en
  • CH204602A - Refrigeration machine with containers for the goods to be cooled. : de en
  • CH204490A - Heating installation. : en fr
  • US2158593A - Hypodermic syringe : en
  • CH204536A - Filling pencil. : de en
  • AU107367B2 - Manufacture of silver halide emulsion layers for colour photography : en
  • DE675817C - Process for the preparation of readily water-soluble salts of diarylaminoalkylcarbinoln : de en
  • CH204599A - Superheated steam flame tube boiler with return tubes. : de en
  • US2158156A - Ball bearing and balls of ceramic material : en
  • US2158801A - Ventilated seat for vehicles : en
  • USRE21091E - Power driven vehicle : en
  • CA381470A - Intestinal bath administering apparatus : en fr
  • US2158287A - Sensitizing silver halide emulsion : en
  • US2158395A - Circle window : en
  • US2158854A - Salt mixture for use as a thermophore : en
  • USD114779S - Design for a flower basket : en
  • AU107339B2 - Improvements relating to electric welding apparatus : en
  • US2158266A - Braiding machine : en
  • CH204585A - Support device for rods or similar organs driven into the ground, exposed to transverse tension. : de en
  • CH204611A - Electrical high voltage switch with free air separation distance. : de en
  • CH204715A - Process for the preparation of a chromable dye of the triarylmethane series. : de en
  • US2158398A - Automobile tire : en
  • US2158717A - Vacuum cleaner : en
  • US2158531A - Ecclesiastical device : en
  • US2158104A - Arm rest for fishing poles : en
  • CA381374A - Floor grinding machine : en fr
  • CH204522A - Process for the production of a new dye. : de en
  • DE675556C - Process for the preparation of monoazo dyes : de en
  • CH204629A - Process for the manufacture of electric discharge tubes. : de en
  • CA381403A - Measuring instrument pointer : en fr
  • CH204540A - Auxiliary device for swimming. : de en
  • US2158386A - Rotary valve for internal combustion engines : en
  • DE675708C - Wire loop feeder for sewing needles : de en
  • US2158094A - Method of feeding liquid molasses : en
  • CH204600A - Tubular flow steam generator with a liquid space. : de en
  • CH204708A - Process for the preparation of an amino alcohol. : de en
  • CA381389A - Cable connector : en fr
  • CH204517A - Process for the airtight wrapping of heat-sensitive goods. : de en
  • FR841234A - Improvements in knitting machines and knitting processes : en fr
  • US2158066A - Typewriter : en
  • US2158637A - Road joint : en
  • US2158352A - Rail-car set-off apparatus : en
  • US2158409A - Testing method and apparatus : en
  • USD114834S - Design for a jacket : en
  • US2158190A - Tool retainer : en
  • US2158946A - Evaporator : en
  • FR49628E - Converter assembly for obtaining a ripple with a higher number of phases : en fr
  • FR841309A - Improvements relating to traps : en fr
  • GR8213B - NINE LITER TANKS WITHOUT COVER AFTER SPRINKLING OPERATE FROM FIVE TO NINE LITERS OF WATER FOR WASHING WASHES. : el en
  • US2158162A - Production of strontium nitrate : en
  • CH204568A - Copy machine tool, in particular copy milling machine, with a stationary tool and button during operation. : de en
  • US2158415A - Method of producing artificial fibers : en
  • US2158503A - Shelf system for delivery vehicles : en
  • FR841397A - Mounting device for clutches : en fr
  • FR841417A - Construction game : en fr
  • DE675852C - Mill drying device for grainy or lumpy goods : de en
  • DE675698C - warehouse : de en
  • FR841370A - Mobile ice cream heater : en fr
  • GB505901A - Improvements relating to control devices using fluid jets : en
  • DE667454C - One-hand case for cigarettes, cigars, etc. Like. With a device for single output : de en
  • US2158842A - Condenser apparatus : en
  • FR49608E - Dial for wireless telephone receiver : en fr
  • GB505605A - Improvements in or relating to electric switchgear having liquid-insulated circuit-breakers : en
  • GB505796A - Improvements relating to the automatic control of temperature in heating or cooling systems : en
  • US2158068A - Gas regulator : en
  • USD114798S - Design for a basket : en
  • FR841229A - Improvements to machines for making pasta : en fr
  • GB505676A - Improvements in and relating to garden rollers : en
  • GB505703A - Improvements in adjustable seats : en
  • CH204721A - Device for determining the transformation ratio of transformers. : de en
  • DE675681C - Terminal base for busbars with large currents : de en
  • US2158160A - Oven control : en
  • US2158469A - Cork composition : en
  • FR841232A - Manufacture of complex salts resulting from the action of an organic acid on an iron salt : en fr
  • US2158841A - Electromagnetic contactor : en
  • DE675829C - Procedure for avoiding the distortion factor with modulated tube transmitters : de en
  • US2158521A - Pulvurized fuel burner : en
  • DE675286C - Signal system for transmission of a sideband : de en
  • US2158258A - Heating device : en
  • US2158207A - Rubber garment : en
  • US2158310A - Device for indicating the stopping point of a vehicle : en
  • FR841303A - Valve : en fr
  • FR841360A - New dissolved gas storage process : en fr
  • FR841362A - Automatic control systems for the movement of a rotating member, applicable in particular to capacitor shafts : en fr
  • US2158173A - Photographic film : en
  • FR49648E - Rotary compressor : en fr
  • GB505681A - Coupling device for pipes or conduits : en
  • GB505857A - Improvements in or relating to the production of tempered glass sheets : en
  • GB505717A - Improvements in or relating to valves : en
  • GB505986A - Improvements in or relating to automatic gain control circuit arrangements : en
  • NL45771C - : en
  • USD114759S - Design fob a wastebasket : en
  • GB505655A - Improvements in devices for synchronising the running of engines : en
  • US2158769A - Can filling machine : en
  • US2158968A - Incandescent gas sign and method of making same : en
  • FR841254A - System for using the force of tidal currents and waves : en fr
  • FR841321A - Flux for electric welding : en fr
  • GB505995A - Improvements in or relating to the heating of buildings by means of pipes embedded in the ceilings : en
  • DK56167C - System with a gas-filled electric discharge pipe. : da en
  • DE675773C - Ventilation pipeline for bulk and stacked goods : de en
  • AU177138A - Improvements inthe manufacture of tins or sheetmetal containers cans andthe like : en
  • DE675754C - Metal dials for clocks, in particular wristwatches, and process for their manufacture : de en
  • DK56173C - Clothes hanger. : da en
  • GB505846A - Improvements relating to apparatus for producing smoke or smoke-like vapour for wind-indicating purposes : en
  • GB505693A - Improvements in or relating to self feeding water boilers : en
  • FR841404A - Swiming suit : en fr
  • GB505827A - Device for the continuous dialysis in counter-current of liquids containing substances in a colloidal state : en
  • GR8218B - WATERPROOF TYPE HYDROMETER. : el en
  • GB505658A - Improvements in and relating to presses for tennis rackets, badminton and squash racquets and the like : en
  • GB505773A - A new aluminium alloy : en
  • GR8215B - CAPS OF BOTTLES, DAMITZANS, WARDROSTEUM GLASS CONTAINERS AS WRINKLE BOXES OR REVERSE CONTAINERS. : el en
  • DE675873C - Liner body for internal combustion engine cylinders : de en
  • FR841355A - Process for the agglomeration of pulverulent or friable fuels : en fr
  • FR841422A - Improvements to electron multipliers : en fr
  • GB505791A - An electric bed airer or heater : en
  • DE675820C - Automatic feedback device for steam boiler : de en
  • FR841405A - Polarized relay protective switch : en fr
  • GB505744A - Improvements in the process of manufacturing glass containers : en
  • US2158532A - Complementary rotary engine : en
  • US2158899A - Dispersible sulphur and method of making the same : en
  • GB505768A - Improvements relating to vehicle electric lamps : en
  • GB505798A - Improvements relating to the automatic control of temperature in heating or cooling systems : en
  • GB505994A - Improvements in or relating to pneumatic tires : en
  • DE675750C - Adjustment device for friction clutches, especially multi-disc clutches : de en
  • FR841270A - Forced-spray carburettor : en fr
  • FR841418A - New electrical and mechanical device for ringing bells : en fr
  • US2158330A - Actuator for glare shields : en
  • US2158989A - Clinch-on nut : en
  • CH204742A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • US2158661A - Carrier and fastener means : en
  • US2158697A - Parcel handle : en
  • US2158758A - Apparatus for heating motor vehicles : en
  • US2158756A - Package : en
  • US2158182A - Heat insulating coupling : en
  • US2158081A - Building construction : en
  • US2158823A - Electric motor : en
  • US2158816A - Coke making process : en
  • DE675787C - Circuit arrangement for the reproduction of sound recordings : de en
  • CH204631A - Double-cased incandescent electric lamp. : en fr
  • FR49634E - Improvements to non-emitting electrodes for electronic lamps : en fr
  • FR841378A - Calculating device for tuning aircraft engines : en fr
  • FR841258A - Process for the production of pig iron, in particular Thomas iron : en fr
  • FR841217A - Combustion heater : en fr
  • GB505682A - An improved pan or like vessel for domestic, culinary or other suitable uses : en
  • CA381416A - Synchronizing clutch mechanism : en fr
  • GB505762A - Improvements in and relating to the manufacture of electric cables : en
  • GB505714A - A rotating lamp wheel for displaying changes of light : en
  • GB505700A - Improvements in liquid beverage pumping engines : en
  • US2158732A - Panel and support therefor : en
  • FR841250A - Sludge vacuum cleaner : en fr
  • US2158672A - Dewaxing oil : en
  • FR841306A - Ballpoint pen : en fr
  • FR49649E - Method for making masonry without mortar with refractory bricks and spacers made up of pieces of sheet metal : en fr
  • US2158447A - Display counter : en
  • US2158829A - Pipe joint packing : en
  • USRE21082E - Stereoscopic picture : en
  • GB505980A - Improved means for suppressing electrical interference : en
  • USD114774S - Design for a cabinet fob gbeasing : en
  • GB505760A - Improvements in or relating to apparatus including a scanning disc for transmitting television and like purposes : en
  • GB505887A - Identification plates : en
  • GB505989A - Improvements in methods of treating porous materials : en
  • DE675705C - Process for the production of welding edges for cup seams by flame cutting : de en
  • DE675881C - Process for the preparation of amides of thioformic acid : de en
  • GB505678A - Improvements relating to the treatment of artificial silk and the like threads in a twisting machine : en
  • GB505875A - Improved portable device for delivering given relative quantities of different liquids : en
  • CH204754A - Process for the preparation of a new therapeutically effective amidine. : de en
  • US2158873A - Power transmitting mechanism : en
  • FR841260A - Machine for mass production of shoe laces : en fr
  • GB505787A - Improvements in and relating to reinforced concrete roofs and the like and to a process of manufacture of same : en
  • GB505985A - Improvements in and relating to electric discharge devices : en
  • DE675735C - Switching element for a dispenser : de en
  • FR841353A - Transmission mechanism for tracked motor vehicles : en fr
  • FR49617E - Improvements to supercharged internal combustion engines for aircraft : en fr
  • GB505673A - Improvements in or relating to projection screens : en
  • GB505731A - An improved process for cleaning bodies made of porous materials used in fermentation vats and other apparatus : en
  • US2158360A - Manufacture of lubricating oil : en
  • US2158862A - Socket : en
  • USD114883S - Design fob a tray : en
  • FR841371A - Improvements to hydraulically compressed disc clutches : en fr
  • GB505767A - Improvements in or relating to composite blocks for building, paving and like purposes : en
  • US2158320A - Power-divided transmission : en
  • US2158540A - Refrigerating apparatus : en
  • DE675818C - Process for the preparation of an anthraquinone compound : de en
  • DE675895C - DC tap changer with arc extinguishing by compressed gas : de en
  • US2158576A - Extension tube for inflating automobile tires : en
  • US2158499A - Method for decomposing scleropro : en
  • DE675847C - Pin buckle with a pin safety device that is hinged to the buckle frame and can be swiveled out to the side : de en
  • DK56179C - Kohaleholder. : da en
  • US2158774A - Paint dispensing machine : en
  • GB505668A - Improvements relating to liquid-break electrical switches or circuit breakers : en
  • FR841307A - Further training provided in the establishment of filter coffee makers : en fr
  • FR841264A - Improvements to bottle closure : en fr
  • GB505595A - Improvements in feedwater heaters, economisers and like tubulous heat-exchangers : en
  • GB505964A - Improvements in or relating to loudspeakers : en
  • USD114887S - Design for a lipstick case : en
  • CH204676A - Braking device on bicycles. : de en
  • FR841426A - Plane plane flap : en fr
  • GR8204B - ΚΛΙΣΙΜΕΤΡΟΝ. : el en
  • GR8217B - WATERPROOF TYPE HYDROMETER. : el en
  • AU183638A - Electro-optical system : en
  • CH204487A - Device for transferring weights on vertically or steeply arranged tubes intended for heat transfer. : de en
  • CA381347A - Textile fibre sliver production : en fr
  • US2158157A - Differential mechanism : en
  • US2158375A - Paste tube cap : en
  • US2158790A - Apparatus for handling strip material : en
  • US2158948A - Liquid dispensing apparatus : en
  • USD114784S - Design for a bridge for an : en
  • CH204641A - Method for producing a bandage material. : de en
  • FR841380A - Remote electrical indicator systems : en fr
  • GB505786A - Improvements relating to screw thread milling machines : en
  • US2158784A - Battery box : en
  • USD114776S - Design for a display stand : en
  • USD114872S - Design for a dress ensemble : en
  • AU132638A - Improvements in wool presses : en
  • US2158626A - Stand or holder for a preserve dish or jar or like container for table use : en
  • US2158699A - Brake mechanism : en
  • US2158949A - Folding step : en
  • US2158075A - Joining tubular parts : en
  • US2158491A - Coke oven door : en
  • USD114819S - Design for a tablecloth or similar : en
  • US2158336A - Locking opening, and closing device : en
  • US2158470A - Dust mop cleaner : en
  • US2158591A - Piston valve : en
  • GB506031A - Treatment of ice cream to render it resistant to the development of oxidised taste and flavour : en
  • DE675878C - Gas burner with a nozzle-like outlet opening for the unmixed gas : de en
  • DE675889C - Signal box control : de en
  • FR841337A - Armchair : en fr
  • US2158210A - Scriber : en
  • US2158489A - Starting device for cutting torches : en
  • US2158691A - Electric plug : en
  • USD114802S - Design for a dancing toy : en
  • USD114823S - Design for an automobile heater : en
  • US2158326A - Injection rate control for fuel pumps : en
  • US2158907A - Method of producing veneered products : en
  • USD114748S - Design fob a vase ob similar abticle : en
  • USRE21079E - Apartment stove : en
  • NL46820C - : en
  • USD114787S - Design for a slipper : en
  • DE675704C - Chain of articulated interconnected pressure pieces on pipe bending machines : de en
  • FR49602E - High Power TV Tube : en fr
  • CH204609A - Combination pliers for electrical purposes. : de en
  • USD114775S - Design for a sandwich : en
  • US2158612A - Swinging spindle unit for textile machines : en
  • DK56166C - Procedure for Changing the Resistance Value of Resistances of Conductive Particles with Non-Conductive Binders. : da en
  • FR841273A - High power switch with extinguishing by a current of extinguishing agent under pressure produced by the arc itself : en fr
  • GB505610A - Improvements in and relating to electric arc lamps : en
  • GB505937A - Improvements in or relating to means for mounting or supporting servo-motors : en
  • US2158074A - Air circulating device : en
  • US2158402A - Label and index holder : en
  • USD114820S - Design for a textile fabric : en
  • US2158087A - Apparatus for imparting stretchability to webs : en
  • US2158556A - Power grinder : en
  • US2158607A - Thread drawing off device on double twist twisting machines : en
  • US2158259A - Television apparatus : en
  • US2158629A - Cutting machine for stone or other material : en
  • US2158080A - Apparatus for and method of screening : en
  • USD114760S - Design for a tobacco can : en
  • USD114758S - Design for a : en
  • AU107335B2 - Improvements in and relating to illuminated signs : en
  • US2158194A - Photographic material : en
  • US2158506A - Foundation garment : en
  • US2158693A - Gas-mask eye piece mounting : en
  • US2158770A - Conversion unit : en
  • GB505660A - Improvements in electrical ignition systems for internal combustion engines : en
  • DE675861C - Clamping device for mounted firearms : de en
  • GB506055A - Improvements in apparatus for the detection of noxious or poisonous gases : en
  • GB505720A - Improvements in method of manufacturing hollow valves : en
  • GB505774A - Convertible vehicles of the endless track type with retractable road wheels : en
  • DE675909C - Microscope objective with ring condenser and a cover plate : de en
  • DE675603C - Gas or vapor filled full wave rectifier tubes : de en
  • US2158477A - Explosionproof switch panel : en
  • FR841238A - Ski safety binding device : en fr
  • GB505781A - Improvements in or relating to containers for foods and beverages : en
  • FR841207A - Lid opening and closing device for melting baths : en fr
  • GR8214B - AUTOMATIC ELECTRIC SWITCH. : el en
  • US2158314A - Cathode ray tube : en
  • US2158536A - Textile machine : en
  • US2158713A - Cabinet : en
  • CA381473A - Flower holder : en fr
  • FR841219A - Clamshell closure with automatic opening : en fr
  • DE675711C - Viewfinders for photographic, in particular cinematographic cameras : de en
  • FR841268A - Apparatus intended for cleaning windows, glass surfaces, walls or other similar uses : en fr
  • CH204566A - Chain of articulated pressure pieces on pipe bending machines. : de en
  • FR841211A - Vault heating for electric ovens : en fr
  • FR841347A - Ski binding device : en fr
  • FR841434A - Improvements to bicycle cranks : en fr
  • GB505812A - Improvements in or relating to paper making machines : en
  • US2158261A - Television receiver operating level control : en
  • AU107346B2 - Improved method of manufacturing moulded rubber heels or rubber sheetlike material : en
  • US2158118A - Container : en
  • US2158653A - Passenger vehicle lighting : en
  • US2158990A - Television system : en
  • DE675790C - Booking machine or the like : de en
  • FR841365A - New "ink duct" for stylograph : en fr
  • GB505672A - Improvements in or relating to doors for passenger cars and like vehicles : en
  • GB505831A - Improvements in and relating to electric accumulators : en
  • US2158270A - Controllable cowling : en
  • CA381387A - Paper machinery : en fr
  • CH204722A - Chronograph with push-button control. : en fr
  • CH204545A - Incendiary bomb. : en fr
  • CH204680A - Process for the production of carbon contact strips for electrical railways and carbon contact strips produced by this process. : de en
  • DE675903C - Foldable furniture consisting of a table and a seat connected by a pair of scissors, especially for schools : de en
  • CA381397A - Carrier wave modulator arrangement : en fr
  • CH204729A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • US2158900A - Machine for cutting sheet glass : en
  • US2158564A - Electron discharge device : en
  • US2158575A - Cabinet for powdering and turning inside-out of rubber gloves : en
  • USD114843S - Design fob an air supply device for : en
  • US2158621A - Degreasing machine : en
  • USD114840S - Design for a dress ensemble : en
  • US2158152A - Slip-cover fastener : en
  • US2158728A - Tool handle : en
  • DE675799C - Photosensitive plate for the production of elastic master copies : de en
  • CA381436A - Unsaturated hydrocarbon hydrogenation : en fr
  • US2158246A - Blind stitch sewing machine : en
  • US2158381A - Metering apparatus : en
  • US2158466A - Gauging device : en
  • CH204515A - Zipper with fasteners arranged on flaps. : de en
  • US2158397A - Device for delivering milk bottles or the like : en
  • US2158401A - Power bender : en
  • US2158472A - Control system for submersible motors and the like : en
  • AU220439A - The manufacture of diphenylsulphone derivatives : en
  • CA381432A - Waterproof abrasive fabric : en fr
  • US2158411A - Method for restraining or preventing the action of proteolytic enzymes : en
  • US2158870A - Fusible material : en
  • US2158263A - Safety emergency brake lever : en
  • US2158430A - Whip-stitching device : en
  • US2158807A - Trap table : en
  • AU240938A - Improvements in or relating to interelectrode neutralization infrequency converters inthe shortwave band ofa superheterodyne receiver : en
  • US2158403A - Refrigeration system : en
  • US2158880A - Parallel circuit control : en
  • US2158931A - Safety and signaling apparatus, in particular for railway crossings : en
  • CH204731A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • CH204663A - Device for aligning swing top bottles. : de en
  • IE15568L - Hydration of olefines : en
  • AU107326B2 - Frequency stabilizing arrangement : en
  • CH204718A - Process for the production of plastic to solid moldings containing polyvinyl compounds. : de en
  • DE675774C - Process for the production and lowering of compressed air caisson with cast iron frame : de en
  • US2158561A - Reflector bulb lamp : en
  • CH204592A - Process for regulating the state of steam BEZW. the steam moisture in the last stages of a steam turbine and steam power plant to carry out the process. : de en
  • US2158067A - Fastening device for beehives : en
  • US2158265A - Leather pulp and products made therefrom : en
  • CA381430A - Paper container : en fr
  • FR841228A - High frequency selective protection device : en fr
  • CH204620A - Device, the moving system of which is in equilibrium between a current and a voltage at a certain size ratio. : de en
  • US2158195A - Illuminated sign : en
  • US2158776A - Wheel supporting means for vehicles : en
  • US2158869A - Air conditioning system : en
  • USD114765S - Design for a display bag : en
  • USD114777S - Design for a sandal : en
  • DE675893C - Contact clamp for connecting electrical lines to installation devices : de en
  • FR841363A - Weftless ribbons and tablecloths manufacturing process : en fr
  • GB506061A - Improvements in or relating to multi-range electric measuring instruments : en
  • US2158257A - Check for doors and the like : en
  • DE675894C - Encapsulated power tapping device : de en
  • US2158876A - Lubricating device : en
  • GB505811A - Compound sheet material for constructional purposes and method of making the same : en
  • GB505864A - Improvements in and connected with reflectors for use on motor road vehicles : en
  • US2158708A - Adjustable shears : en
  • US2158832A - Mechanical rubbing-type seal : en
  • FR841247A - Improvements relating to vulcanization of rubber or the like : en fr
  • GB505952A - Improved device for tightening and freeing the overhanging arms of a machine tool : en
  • FR841364A - Improvements in printing machines for fabrics and the like by means of printing frames : en fr
  • GB505792A - Filaments or filamentary heating bodies for electric incandescent lamps and discharge tubes : en
  • GB505999A - Improvements in or relating to the production of printing plates : en
  • FR841266A - Device for projecting television images : en fr
  • FR841351A - Manufacturing process of laminated or divided magnetic circuits : en fr
  • USRE21092E - Garment and fastening means : en
  • CA381362A - Can or jar closure : en fr
  • US2158232A - Drilling hook : en
  • AU425838A - Manufacture of silver halide emulsion layers for colour photography : en
  • CH204573A - Method and device for bending wooden panels. : de en
  • USD114786S - Design for a combined sole and heel : en
  • USD114796S - Design for a scarf or similar article : en
  • CH204748A - Process for the preparation of a new carbonic acid derivative. : de en
  • DE675703C - Device on metal hacksaws for pressing the saw blade during the cutting stroke and lifting it off during the return stroke : de en
  • GB505663A - Improvements in or relating to electron discharge apparatus of the electron multiplier type : en
  • CA381437A - Insulating material : en fr
  • CH204730A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • CH204745A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • AU107324B2 - Improvements in and relating to rock drills andthe like : en
  • US2158979A - Industrial truck and tractor battery charger : en
  • DE675600C - Arrangement for the magnetic deflection of cathode rays : de en
  • CA381447A - Dialysis : en fr
  • AU509238A - Improvements in the manufacture of articles of fused silica and the like : en
  • US2158111A - Vinyl resin finishing system : en
  • CH204632A - Electric light bulb. : de en
  • CH204507A - Process for producing a thickening for fabric printing. : de en
  • CA381359A - Material handling and transporting means : en fr
  • FR841236A - Arrangement for the transmission of rotary movements : en fr
  • FR841274A - Method of pasteurizing household garbage and other similar wastes : en fr
  • FR841287A - Electromagnetic shaker regulator for lighting dynamos, especially on vehicles : en fr
  • GB505772A - Improvements in or connected with means for preventing ice formation on control services of aircraft : en
  • US2158460A - Corn popper : en
  • CA381419A - Absorption refrigerating apparatus : en fr
  • CH204496A - Extendable curtain rail. : de en
  • CH204576A - Centrifugal separator. : en fr
  • US2158062A - Articulated car : en
  • FR841263A - Sheep clipper : en fr
  • US2158537A - Sound creating device : en
  • US2158614A - Method of dry cleaning and apparatus therefor : en
  • US2158794A - Fishhook : en
  • US2158972A - Box construction : en
  • US2158590A - Spiral fabric : en
  • US2158851A - Socket : en
  • US2158991A - Mechanical pencil : en
  • US2158919A - Coin and slug separating device : en
  • US2158922A - Utensil plug : en
  • US2158404A - Barrel washing and rinsing machine : en
  • DE675916C - Feeding device for straw presses : de en
  • GB505814A - Improvements in the manufacture of hollow slabs : en
  • US2158686A - Airfoil construction : en
  • AU107356B2 - Improvements in and connected with internal combustion engines : en
  • USD114837S - Design for a textile fabric or : en
  • US2158191A - Device for sharpening lawn mowers : en
  • USD114767S - Combination desk and play board : en
  • US2158670A - Process for the recovery of essential oils : en
  • US2158771A - Means for preventing corrosion of metallic objects : en
  • US2158952A - Conservation and preservation of topsoil : en
  • CA381382A - Sock stretcher and drier : en fr
  • CH204572A - Process for the production of construction elements with corrugated wood and device for carrying out the process. : de en
  • CH204690A - Process for the preparation of 4-methyl-5-benzoyloxyethylthiazole. : de en
  • USD114874S - Design fob a dress : en
  • CA381415A - Vehicle wheel : en fr
  • US2158858A - Power plant apparatus for aircraft : en
  • US2158105A - Cast iron welding rod : en
  • US2158175A - Brake mechanism : en
  • USD114763S - Design for a bottle : en
  • USD114826S - Design fob a casing fob door closing : en
  • US2158455A - Automobile lock : en
  • US2158418A - Oil seal : en
  • GB505659A - An improved fastener : en
  • USD114867S - Design for a textile fabric : en
  • FR841343A - Process for obtaining esters of aminobenzoic acids, the alcohol function of which contains a tertiary amine : en fr
  • FR841432A - Composition capable of being applied to bandages, shoes, or the like to prevent skidding or slipping : en fr
  • US2158725A - Apparatus and method for testing hairsprings and like devices : en
  • DK56183C - Machine gun cartridge belt and method of its manufacture. : da en
  • FR841284A - Process for the preparation of phenols or thiophenols or of both : en fr
  • GB505873A - Improvements in and relating to arrangements for preventing the formation of ice on aircraft : en
  • DE675742C - Isolated overcurrent protection switch (motor protection switch) : de en
  • DE675802C - Packaging device : de en
  • FR49609E - Device and machine for the transformation of fragments of glass tubes : en fr
  • GB505589A - Improvements in clinching tools for belt fasteners : en
  • GB505869A - Improvements in universal joints for tie-rod ends : en
  • US2158484A - Sewing machine stop motion : en
  • USD114807S - Design fob a redingote : en
  • USRE21080E - Sliding ase receiver : en
  • DE675883C - Device for cold storage : de en
  • US2158763A - Stud applying apparatus : en
  • USD114859S - Design for a handbag : en
  • CH204510A - Lying vacuum cleaner. : de en
  • US2158675A - Packaging apparatus : en
  • US2158646A - Battery carrier : en
  • US2158667A - Slicing device : en
  • US2158694A - Method of and apparatus for cleaning metallic sheets : en
  • US2158913A - Billfold : en
  • USD114838S - Design for an ensemble dress : en
  • DE675736C - Door handle : de en
  • DE675843C - Photoelectric light meter with several measuring ranges : de en
  • US2158088A - Jimmyproof lock : en
  • US2158106A - Carcass treatment : en
  • USD114791S - Design for a penholder : en
  • US2158151A - Dry cell : en
  • US2158211A - Light for golf clubs : en
  • US2158364A - Articulated resilient conveyer : en
  • ES5042U - Apparatus for packing bottles. (Machine-translation by Google Translate, not legally binding) : en es
  • CH204559A - Clock. : de en
  • AU107362B2 - Manufacture of compounds containing active methylene-groups : en
  • DE675753C - Skinning knife : de en
  • US2158715A - Automatic valve : en
  • CH204547A - Send arrangement for generating course lines. : de en
  • CH204677A - Curvy single cable car, especially for towing skiers. : de en
  • US2158304A - Incandescent mantle : en
  • US2158337A - Brake lining material glass fabric : en
  • US2158119A - Popcorn dispensing device : en
  • US2158268A - Voice and music mixer for use in sound recording : en
  • US2158877A - Evaporator unit for refrigeration purposes : en
  • DE675826C - Method and device for the preparation of bituminous rock mixtures : de en
  • GR8219B - INSTRUMENT FOR FOUNDING UNDERGROUND WATER LEAKS IN DISTRIBUTION NETWORK. : el en
  • DE675828C - Arrangement for the wireless transmission of signs and conversations on rail vehicles and vice versa, especially for shunting operations : de en
  • US2158781A - Conveying mechanism : en
  • US2158783A - Support : en
  • US2158796A - Manufacture of tubing : en
  • CH204701A - Process for the production of a condensation product. : de en
  • US2158524A - Method of treating paper containers : en
  • US2158655A - Fuse block and parts thereof : en
  • USD114835S - Design foe : en
  • US2158202A - Lens system : en
  • CA381366A - Refrigerator car floor : en fr
  • GB506060A - Improvements in and relating to paper and like containers : en
  • US2158723A - Means for controlling pendulum clocks : en
  • US2158791A - Hair tonic : en
  • US2158838A - Connecting link : en
  • USD114844S - Design for a dress : en
  • CH204764A - Process for the preparation of a new therapeutically effective amidine. : de en
  • NL45815C - : en
  • US2158793A - Refrigerating apparatus : en
  • US2158866A - Tool : en
  • CH204553A - Device for remote counting and telemetry purposes. : de en
  • CA381348A - Rotary displacement device : en fr
  • CH204601A - Flow tube steam generator. : de en
  • CH204666A - Pack for the preparation of extracts from coffee, tea, etc. : de en
  • FR841341A - Piston for heat engines and its manufacturing process : en fr
  • FR841248A - Improvements made to the time bases used to control cathode ray tubes : en fr
  • GB505991A - Improvements in methods of and apparatus for the clarification and deodorization of milk and/or cream : en
  • GB506057A - Method of producing porous chocolate : en
  • US2158072A - Divisible carton : en
  • US2158148A - Firearm : en
  • USD114830S - Design for a casing fob door : en
  • CA381412A - Synchronous motor control system : en fr
  • CH204501A - Package winder. : de en
  • FR841235A - Display case : en fr
  • CA381401A - Copper-oxide rectifier : en fr
  • CH204502A - Spool changing device for Kötzspulmaschinen with automatic spool change. : de en
  • FR49611E - Device for re-stitching stockings and the like : en fr
  • AU107337B2 - Improvements in or relating to coke ovens : en
  • CH204664A - Box. : de en
  • US2158640A - Electron discharge device : en
  • US2158937A - Clothespin : en
  • USD114865S - Design for a traffic signal facing : en
  • CA381450A - Hearing-aid : en fr
  • FR841318A - Amplifier stabilizes at frequencies below the lower limit of its band : en fr
  • GB505669A - Arboreal decoration device : en
  • US2158154A - Catalyst : en
  • AU107325B2 - Improvements in and relating to a method of and means for the manufacture of easily frangible vessels, bulbs, and the like : en
  • DE675677C - Automatic double-acting adjustment device for vehicle brakes : de en
  • AU525838A - Improvements relating to electric welding apparatus : en
  • FR841389A - Improvements to tray columns : en fr
  • GB505727A - Improvements in and relating to rotary tools and sockets therefor : en
  • US2158303A - Impact tool : en
  • CH204531A - Binder. : de en
  • AU194138A - Improvements relating to 'electric switches employing other conducting liquid : en
  • US2158143A - Hat dusting appliance : en
  • US2158348A - Excavator : en
  • US2158722A - Fuse switch : en
  • USD114800S - Design foe an eye goggle frame : en
  • AU182538A - Improvements in and relating to a method of and means for the manufacture of easily frangible vessels, bulbs, and the like : en
  • CA381457A - Educational device : en fr
  • AU107365B2 - Method of hydrocarbon oil conversion : en
  • US2158422A - Manufacture of sensitized photographic printing paper and cloth : en
  • US2158642A - Apparatus for correcting the defects of accommodation of the eye : en
  • CH204672A - Control device for pressure medium switching devices. : de en
  • AU179938A - Improvements in fluid-operated hoists for raising motorcars and for other purposes : en
  • CA381407A - Refrigeration cascade system : en fr
  • CH204489A - Device for displaying faults in furnaces. : de en
  • CH204598A - Starting device on internal combustion engines. : de en
  • FR841395A - Method of adjusting the inserting of an additional sheet of paper in a printing press : en fr
  • GB505615A - Improvements in or relating to implements or appliances for cutting thistles and thelike : en
  • GB505695A - Improvements in or relating to drying machines for fabrics, suitable for use in laundries : en
  • GB505677A - Improvements in and relating to fluid-tight joints between cast metal base plates and sheet metal members : en
  • GB506034A - Manufacture of aluminium sulphate : en
  • US2158262A - Device for supporting packages of strand materials : en
  • US2158648A - Nitro derivatives of para alkyl sulphoxides of diphyenylamines : en
  • USD114845S - Fur cleaning apparatus : en
  • US2158276A - Receiver for amplitude or phase modulated waves : en
  • US2158550A - Cooking range construction : en
  • USD114825S - Design for a casing for door closing : en
  • FR841424A - Washing, cleaning, bleaching and rinsing products : en fr
  • GB506052A - Improvements in or relating to electron discharge devices and to envelopes and contact bases therefor : en
  • US2158431A - Pencil attachment : en
  • USD114810S - Design for a street tennis bat : en
  • FR841334A - Automatic traffic control system : en fr
  • GB505819A - Improvements in or relating to goggles suitable for use under water : en
  • CH204705A - Process for the preparation of an amino alcohol. : de en
  • FR841413A - Optical system mount : en fr
  • GB505825A - Improvements in extrusion machines for moulding pellets or the like from plastic substances : en
  • FR841310A - Device operating as a disintegrator for purification, cooling and gas mixing : en fr
  • CH204552A - Procedure for determining the size and phase of an alternating current by means of compensation. : de en
  • CH204657A - Circuit arrangement in a nurse call system that is set up for connection to AC networks. : de en
  • FR841251A - Process for manufacturing hollow construction elements obtained by a mixture of binder and straw or fiber-like materials : en fr
  • GB505918A - Improvements in and relating to concrete bodies formed by centrifugal casting for air-raid shelters : en
  • GB505997A - An electrically heated cap for treating the hair : en
  • GB505968A - Improvements in or relating to rolling mills : en
  • FR841332A - New braking equipment using compressed fluid with power automatically variable according to the speed : en fr
  • CH204614A - Arrangement for remote control of switching processes, especially for street lighting networks, using two control currents of different voltages. : de en
  • US2158630A - Testing apparatus : en
  • US2158721A - Self-lubricating trolley shoe : en
  • DE675838C - Air cushion with protective cover for rucksack straps u. like : de en
  • GB505764A - Improvements in or relating to television systems : en
  • CH204516A - Vibrating device equipped with permanent magnets for molds filled with compressible masses, in particular chocolate mass. : de en
  • CH204665A - cigar pack. : de en fr
  • CH204725A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • CH204756A - Process for the preparation of a new therapeutically effective amidine. : de en
  • DK56168C - Electrolytic Capacitor. : da en
  • GB506000A - Improvements in presses for tennis and other rackets : en
  • GR8206B - INVESTMENT OF PIPE INSULATIONS. : el en
  • US2158186A - Toning and intensifying solutions : en
  • US2158872A - Accounting system : en
  • GB505593A - Improvements relating to filing trays or cabinets : en
  • DE675766C - Choke coil with switchable and non-switchable winding parts : de en
  • GB505601A - Improvements in or relating to electron lenses : en
  • GB505728A - Improvements in or relating to light aluminium alloys : en
  • DE675702C - Copy milling machine for processing the blades of metal propellers : de en
  • NL46967C - : en
  • GB505834A - Improvements in or relating to colour photography : en
  • CA381367A - Refrigerator car floor : en fr
  • CH204612A - Contact arrangement for electrical switches, especially with flowing extinguishing agent. : de en
  • DE675842C - Device for setting a numerical mechanism according to the position of a light-electrically scanned pendulum-like body which is adjusted by a measuring mechanism and provided with control points : de en
  • FR841326A - Pendulum plate with attached axis supports, several of which may be joined to each other : en fr
  • US2158215A - Lighting device : en
  • GB506028A - Improvements in or relating to electrodes for use as anodes in the electro-deposition of metal on the internal surfaces of cylinders : en
  • GR8208B - PREPARATION IN TABLETS FOR THE LUBRICATION OF PLANTS PLACED IN LIMITED AREAS, POT, ETC. : el en
  • GB505854A - Manufacture of azo-dyestuffs : en
  • US2158966A - Air conditioning system for passenger vehicles : en
  • FR841230A - Improvements to electrical conductors, especially those to be used as circuit breakers or resistors : en fr
  • US2158060A - Machine tool and hydraulic operating mechanism therefor : en
  • US2158142A - Calculating machine : en
  • USD114747S - Design for a figurine : en
  • USD114771S - Design for a coat : en
  • GB505686A - Improvements in or relating to television transmitter cathode ray tubes : en
  • GB506004A - Improvements in or relating to moulding powders of the urea-formaldehyde type : en
  • US2158171A - Button sewing machine : en
  • US2158516A - Protective device for electrical apparatus : en
  • GB505840A - Improvements in or relating to dispensing boxes or like receptacles having a slidinglid : en
  • GB505970A - Method of increasing the crease resistance of textile materials : en
  • GB505984A - Improvements in or relating to cabinets and like furniture : en
  • GB505737A - Improvements in and relating to automatic firearms : en
  • DE675643C - Embroidery machine : de en
  • DE675789C - Magnetic sound machine with degaussing device for the speaking head : de en
  • US2158063A - Method of cleaning sheet metal and the like : en
  • US2158248A - Electrical amplifying system and method of operation : en
  • US2158113A - Teletypewriter trunking system : en
  • AU107349B2 - Improvements in telephone toll systems : en
  • DE675719C - Toy tank with device to reverse the direction of travel in front of obstacles : de en
  • US2158096A - Lubricant : en
  • CY56A - Improvements relating to crease resisting treatments of textile yarns and fabrics : en
  • AU414538A - Improvements in and relating to illuminated signs : en
  • FR841291A - Device for returning free gyroscopes to their normal position with precision : en fr
  • GB505794A - Improvements in leather substitutes : en
  • USD114797S - Design for a scarf or similar article : en
  • US2158196A - Machine for use in pressing soles on shoe bottoms : en
  • US2158227A - Power transmission : en
  • US2158233A - Envelope : en
  • US2158811A - Conversion of hydrocarbon oils : en
  • US2158604A - Electric heating apparatus : en
  • US2158666A - Chamber oven : en
  • USRE21089E - Focusing means for incandescent : en
  • CH204753A - Process for the preparation of a new therapeutically effective amidine. : de en
  • GB505806A - Improvements in conveying mechanism for feeding bottled liquids to pasteurizing apparatus : en
  • US2158405A - Device for rendering visible invisible rays : en
  • US2158485A - Alginate salts and process of making same : en
  • US2158083A - Process of manufacturing expanded rubber : en
  • USRE21083E - G a lyon : en
  • CH204533A - Giro stamp booklet with carbon strips. : de en
  • CH204660A - Pulse transmitter for measuring and counting devices operated according to the pulse method in cascade connection. : de en
  • GB505955A - Improvements in and relating to sheet metal hollow-ware : en
  • CA381371A - Power transmission mechanism : en fr
  • CH204643A - Process for the preparation of 3- (bis-dioxypropyl) -amino-4-oxy-5-acetylamino-3'-amino-4'-oxy-arsenobenzene monoformaldehyde sodium sulfoxylate. : de en
  • FR841329A - Improvements to devices for removable mounting of parts or instruments, in particular lighting sources, on motor vehicle bodies : en fr
  • GB505932A - Improvements in and relating to wheel mountings : en
  • DE670847C - Device for treating goods : de en
  • US2158749A - Thin printing device for addressing machines : en
  • US2158663A - Process for manufacturing soap : en
  • US2158695A - Device for smoothing wallpaper and the like : en
  • US2158538A - Hose : en
  • US2158057A - Rail fastening : en
  • US2158895A - Dressmaker form : en
  • USD114815S - Design for a vase or similar article : en
  • DK56174C - Water heater for Bathrooms. : da en
  • DE675886C - Turbo-electric traction vehicle : de en
  • DE675914C - Hand pulling device for soil cultivation under liquid supply : de en
  • GB506029A - Improvements in or relating to the stabilisation of polyvinyl acetal resins : en
  • GB506386A - Improvements in spacers for the electrodes of electron discharge devices : en
  • FR841205A - Trailer : en fr
  • GB505723A - Improvements in the manufacture and production of leather : en
  • GB505785A - Improvements in and relating to mirrors : en
  • CA381438A - Acoustic diaphragm : en fr
  • CA381461A - Transparent distributor cap : en fr
  • CH204622A - Process for the production of electrolytic capacitors with a large specific capacity. : de en
  • DE675694C - Control device for multi-cylinder mixture sucking two-stroke internal combustion engines : de en
  • US2158929A - Resilient sheet : en
  • USD114741S - Design fob a tire : en
  • US2158752A - Cotton drying and conditioning apparatus : en
  • USD114768S - Design for a chair or similar article : en
  • CH204703A - Process for the preparation of an amino alcohol. : de en
  • GB505711A - Permanent magnets : en
  • GB505597A - Improvements in and connected with ramps or platforms for elevating motor road and other vehicles and loads : en
  • CH204473A - Building brick. : en fr
  • GB506164A - Improvements in or relating to arrangements and devices for for drying warps : en
  • US2158435A - Wall temperature compensated room thermostat : en
  • US2158835A - Bearing lubrication : en
  • GB506025A - Improvements in or relating to fluid circulation heating installations : en
  • US2158073A - Amusement device : en
  • GB505709A - Improvements in the art of coating finely divided solids : en
  • GB505732A - A process for the manufacture of phenols and/or thiophenols : en
  • US2158742A - Heating stove : en
  • US2158505A - Feeding of cards from a stack : en
  • US2158971A - Cigarette package : en
  • GB505609A - Improvements in and relating to electric motor control : en
  • US2158128A - Fence tool : en
  • US2158377A - Glider : en
  • DE675848C - Friction gear transmission : de en
  • US2158149A - Firearm : en
  • US2158938A - Water closet for boats : en
  • FR841409A - Extendable branch by telescoping for legs with several branches and similar supports : en fr
  • CA381471A - Electric connector release : en fr
  • CH204636A - Electric gas discharge tube. : de en
  • GB505590A - Improvements in apparatus for exposing liquids to direct contact with air or gas : en
  • CA381399A - Dynamo reversing switch : en fr
  • US2158746A - Harrow : en
  • US2158889A - Spool support or core for the dyeing and for the treatment of textiles on spools : en
  • US2158451A - Lock system for automobiles and the like : en
  • US2158744A - Candle extinguisher : en
  • GB505836A - Improvements in or relating to the manufacture of optical lenses and prisms : en
  • FR841333A - Economic construction method for winemaking and wine storage cellars : en fr
  • USD114750S - Design for a holder for paper : en
  • FR841384A - Pressure selector and corrector for hydraulic, automatic and servo transmissions : en fr
  • FR841425A - Method for producing color photographic images : en fr
  • GB505858A - Improvements in or relating to the manufacture of photoelectric cells : en
  • GB505889A - Improvements in or relating to corn reaping machines : en
  • CH204563A - Process for the production of drawing disks and drawing disk produced by the process. : de en
  • CH204678A - Motor bogie on rail vehicles, with inevitably radially adjusting axle steering racks. : de en
  • FR841271A - Sound absorbing windows : en fr
  • US2158413A - Dual deflector arrangement for ventilating systems : en
  • US2158941A - Coupling pin : en
  • DE675922C - Slurry tank : de en
  • GB505797A - Improvements relating to the automatic control of temperature in heating or cooling systems : en
  • GB505820A - Improvements in automatic tuning arrangements for radio receivers : en
  • US2158984A - Welding rod : en
  • DE675821C - Sheet feeder for printing machines : de en
  • DE675918C - Heat exchange and stirring device for cream grippers : de en
  • CH204630A - Electric oven. : en fr
  • FR841315A - Method and device for gutting and cleaning fish : en fr
  • FR841393A - Lubricating device by "oil-bath-plug" for bearings : en fr
  • FR841447A - Surge protection device : en fr
  • DE675631C - Process for the production of azo dyes : de en
  • DE675731C - Process for the production of homogeneous layers or bodies from metals on a base body by cathode sputtering, thermal evaporation or thermal decomposition of metal compounds : de en
  • DE675846C - Anemometer probe, especially for aircraft : de en
  • GB505982A - An arrangement for the protection of inhabited or inhabitable rooms against heat radiation : en
  • GB506054A - Improvements relating to the operation of machines for developing or otherwise treating photographic material with liquids : en
  • DE675832C - Rotatable control panel : de en
  • GB506163A - Improvements in or relating to the colouration of materials made of or containing cellulose derivatives : en
  • US2158125A - Vehicle wheel : en
  • US2158555A - Measuring instrument : en
  • US2158611A - Textile machine : en
  • GB506037A - An improved process for making burnt pyrites suitable for smelting operations : en
  • FR841293A - Improvements to processes and equipment for handling materials : en fr
  • FR841246A - Isolation of high voltage devices : en fr
  • US2158589A - Method and composition for improving milling products : en
  • USD114821S - Design fob a dental unit : en
  • FR841325A - Leonardo control device, applicable in particular to the control of pointing machines, guns or the oscillation mechanisms of gun turrets : en fr
  • US2158434A - Apparatus for making a bung ring : en
  • DE675762C - Control method for the operation of pipe steam generators with forced flow of the working medium, carried out using a temperature pulse : de en
  • GB505938A - Improvements in or relating to the air cooling of radial cylinder internal combustion engines : en
  • FR841336A - Electric discharge devices : en fr
  • CH204755A - Process for the preparation of a new therapeutically effective amidine. : de en
  • CH204760A - Process for the preparation of a new therapeutically effective amidine. : de en
  • US2158056A - Ring binder : en
  • US2158465A - Garment hanger : en
  • US2158392A - Bread and bakery product : en
  • GB505705A - Device for obscuring lamps for purposes of precaution against air raids : en
  • DE675867C - Putty-free, watertight fastening of caps on bushing insulators for flat terminations : de en
  • GB505748A - Improvements in propelling pencils : en
  • CH204580A - Device for holding blank and cleaning rotating shafts. : de en
  • CH204594A - Power plant with propellant gas generator and expansion machine. : de en
  • DE1465052U - : de en
  • DE673816C - Wreath of jointly adjustable grippers arranged on the wheel : de en
  • DE675796C - Portable hacksaw : de en
  • FR841245A - Improvements to electric lamps : en fr
  • GB505733A - Improvements relating to the production of glycerine from fermented carbohydrate-containing materials : en
  • GR8220B - SOLUTION OF OILS BY ENDLESS BELTS. : el en
  • USD114818S - Design fob a tablecloth or similar : en
  • USD114824S - Design fob a casing fob doob closing : en
  • GB505704A - Improvements relating to sideboards and the like : en
  • USRE21086E - N d preston : en
  • DE675721C - Process for the simultaneous production of white Portland cement and iron by melting in an electric furnace : de en
  • GB506038A - Improvements in the manufacture and production of butadiene : en
  • DE675777C - Overlay receiver : de en
  • FR841367A - Improvement in kitchen stoves and the like : en fr
  • CA381414A - Cigarette manufacture : en fr
  • CH204546A - Process for the production of projectile cases from light metal. : de en
  • US2158298A - Weatherstripping : en
  • US2158387A - Electric switch : en
  • US2158054A - Gear box : en
  • US2158427A - Process for extracting oil or fat containing substances and the like : en
  • US2158978A - Electric signal transmission system : en
  • DE675758C - Device for pulling off pulleys u. like : de en
  • GB505850A - Improvements in or relating to cathode ray tubes : en
  • US2158391A - System and apparatus for facsimile telegraphy : en
  • US2158487A - Triethanolamine alginate product and process : en
  • CA381351A - Frame weatherproofing seal : en fr
  • CH204477A - Scaffolding pole connector. : de en
  • CA381410A - Synchronous motor control system : en fr
  • US2158112A - Production of stiffened fabrics : en
  • US2158199A - Button sewing machine : en
  • US2158926A - Electric circuit : en
  • CH204768A - Process for the preparation of a new ester of oestron. : de en
  • CH204709A - Process for the preparation of an amino alcohol. : de en
  • US2158339A - Tube-rolling machine : en
  • US2158812A - Process for hydrocarbon oil : en
  • CH204679A - Rail contact device. : de en
  • DE675749C - Straw schuettler covering made of sheet metal : de en
  • US2158419A - Internal combustion engine : en
  • US2158084A - Electric switch : en
  • US2158798A - Turning tool for lathes or the like : en
  • CH204734A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • CH204482A - Device for purifying and ozonizing air. : de en
  • CH204836A - Roller scraper brush for roller mills. : de en
  • CA381434A - Abrasive sheet : en fr
  • CH204700A - Process for the production of a condensation product. : de en
  • CH204723A - Mixing and fine grinding mill for chocolate, paint and similar masses. : de en
  • US2158622A - Driving chain : en
  • US2158845A - Cementing process : en
  • CA381451A - Egg container : en fr
  • AU107354B2 - Improvements in or relating to call duration recording in telephone systems : en
  • US2158224A - Typographical single-type composing machine : en
  • CH204717A - Process for the production of a plastic. : de en
  • US2158813A - Vehicle guard : en
  • US2158718A - Refrigerating apparatus : en
  • US2158513A - Apparatus for making nodules or pellets : en
  • US2158830A - Wire sawing : en
  • CH204637A - Electric lamp. : de en
  • US2158951A - Process for selecting single colors or color tones from pictures comprising several colors or color tones, especially for reproduction purposes : en
  • US2158180A - Gyroscopic steering apparatus : en
  • US2158950A - Folding table : en
  • US2158053A - Press for cutting cardboard and scrap ejector therefor : en
  • US2158982A - Building block : en
  • US2158443A - Producing vitreous enameling stock and the like : en
  • DE675880C - Length measuring and marking device for lengths of fabric : de en
  • DK56165C - Radio Receiver with Means for Limiting or Suppressing Short-Term Interference. : da en
  • CH204761A - Process for the preparation of a new therapeutically effective amidine. : de en
  • GB505885A - Improvements in barometric capsules : en
  • US2158511A - Method for the production of cast iron in cupola furnaces : en
  • US2158974A - Interlocking system for railroads : en
  • US2158471A - Control system for submersible motors and the like : en
  • CH204528A - Process for forming a protective layer against corrosion on the surface of metals or alloys. : en fr
  • CH204549A - Device for determining torsions in rotating machine parts. : de en
  • CH204633A - Method for sealing glass vessels containing gas. : de en
  • US2158905A - Axle bearing for railway vehicles : en
  • US2158962A - Hydrocarbon oil conversion : en
  • CH204558A - Timepiece dial and process for its manufacture. : en fr
  • CH204675A - Alarm device on vehicles such as bicycles and the like to secure them against theft. : de en
  • FR841369A - Suction cup : en fr
  • CH204550A - Process for the manufacture of engine parts of the apparatus construction subject to mechanical wear and tear and engine parts manufactured according to this process. : de en
  • US2158200A - Button sewing machine : en
  • CA381396A - Colour photography : en fr
  • CA381402A - Copper-oxide rectifier : en fr
  • DE675898C - Changeable electrical precision capacitor : de en
  • US2158420A - Show counter or display case : en
  • US2158582A - Treatment of gaseous hydrocarbons for the production of liquid aromatic hydrocarbons : en
  • FR841328A - Control mechanism of cylindrical spools of piston pumps for concrete distribution and other uses : en fr
  • AU328338A - Sickle drive for harvesters : en
  • DE675692C - Two-stroke internal combustion engine with one-sided reverse scavenging : de en
  • DE675726C - Device for fastening corrugated roof panels to profile beams : de en
  • CA381350A - Electric connector : en fr
  • CH204556A - Gramophone needle. : en fr
  • CH204711A - Process for the preparation of a disazo dye. : de en
  • US2158689A - Apparatus for treating complex ores : en
  • CA381385A - Filter cord for paper bags : en fr
  • US2158115A - Ambulatory insecticide distributor : en
  • DE675738C - Dismountable snowshoe with anti-slip device : de en
  • AU107369B2 - Improvements in or relating to sliding clasp fasteners : en
  • CH204707A - Process for the preparation of an amino alcohol. : de en
  • US2158333A - Dispensing attacement for collapsible tubes : en
  • US2158619A - Coupling construction : en
  • US2158214A - Ship hull construction : en
  • US2158269A - Electrolytic process for the manufacture of litharge : en
  • US2158517A - Apparatus for alloying metals : en
  • US2158635A - Safety arrangement : en
  • USD114851S - Design fob a symmetrically sec : en
  • CA381377A - Safety razor : en fr
  • AU182238A - Improvements in or relating to cathode ray tubes suitable for use in television : en
  • DE675911C - Device for measuring turbidity in liquid or gaseous substances : de en
  • CH204527A - Device for the oligodynamic activation of water. : de en
  • USD114862S - Design for a dress ensemble : en
  • US2158354A - Treatment of food materials : en
  • US2158436A - Water valve : en
  • US2158476A - Slide rule : en
  • US2158628A - Temperature regulation : en
  • US2158975A - Interlocking system for railroads : en
  • CA381443A - Alcohol production : en fr
  • CH204588A - Piston pump with two congruent shafts with crank displacements. : de en
  • US2158272A - Rocker arm bearing : en
  • US2158468A - Watch rating recorder : en
  • US2158229A - Grille making apparatus : en
  • US2158980A - Method of locating metals and minerals in the ground : en
  • US2158964A - Key holder : en
  • DE675728C - Safety scales with printing mechanism : de en
  • US2158383A - Method of making heat exchangers : en
  • US2158886A - Cooling means for mirrors used with arc lamps : en
  • DE675730C - Cash register or accounting machine : de en
  • CH204654A - Time registration device in a recording device at individual subscriber stations or in private branch exchanges. : de en
  • US2158601A - Electrical heating apparatus and method of making the same : en
  • FR841359A - New application of ultrasonic elastic waves : en fr
  • GB505635A - Improvements relating to air valves for diving suits : en
  • US2158684A - Air conditioning system : en
  • US2158918A - Process for producing humus fertilizer : en
  • US2158293A - Pressure relief means for oil circuit breaker tanks : en
  • US2158714A - Multiple sash window hardware : en
  • US2158131A - Swivel pipe coupling : en
  • CH204752A - Process for the preparation of a new therapeutically effective amidine. : de en
  • USD114829S - Design fob a casing fob doob closing : en
  • DE639672C - Process for the production of calcium cyanamide : de en
  • DE675747C - Luffing crane : de en
  • AU107328B2 - Process forthe bleaching of cellulosic materials : en
  • CA381357A - Shaving brush : en fr
  • CH204644A - Process for obtaining a non-dialysable, blood pressure influencing product from urine. : de en
  • FR841317A - Method and machine for hardness testing : en fr
  • US2158865A - Rollerway : en
  • DE675870C - Milling machine for wood with tube-like machine frame : de en
  • GB505911A - Improvements in or relating to junction and switching arrangements for high frequency cables : en
  • CH204472A - Beam grating for ceilings and roofs. : de en
  • US2158500A - Magnetic field direction finder : en
  • US2158773A - grubelic : en
  • CH204659A - Device for automatic detection and remote reporting of the presence of flammable gases in atmospheric air. : de en
  • GB505897A - Improvements in and relating to lanterns for electric lamps : en
  • US2158193A - Sound reproduction : en
  • GB505730A - Improvements in or relating to the applying of liquids to perforated films such as cinematograph films : en
  • FR841300A - Mechanical apparatus for the production, development and use of motive power : en fr
  • USD114751S - Design for a sweater : en
  • US2158281A - Fireproof cable compound : en
  • USD114814S - Design for a bug or similar article : en
  • CA381455A - Refrigerator car floor : en fr
  • DE652304C - Equipment for the production of acetylene gas for internal combustion engines : de en
  • FR49626E - Junction box : en fr
  • FR841272A - Microscope : en fr
  • GB505639A - Weighing machinery : en
  • FR841398A - Sophisticated hand weighing system for packaging machines and more : en fr
  • FR841445A - Coupling method to reduce the number of service interruptions as a result of short circuits on power lines : en fr
  • DE675891C - Single-frequency transmission : de en
  • GB505594A - Improvements in neckties and linings therefor : en
  • US2158368A - Formation display device : en
  • US2158448A - Container : en
  • DE675682C - Device for the electrical regulation of technical and physical operating parameters, in particular the energy output of electrical power generators : de en
  • AU738A - Improvements in or relating to electric remote indication systems : en
  • US2158198A - Method and apparatus for making geological explorations : en
  • GB505826A - Improvements relating to collars or harness for dogs : en
  • GB506051A - Improvements in or relating to electric insulators : en
  • FR49616E - Safety binding for ski, automatic release : en fr
  • GB505662A - Time controlled ignition apparatus for burners of gas ovens and the like : en
  • US2158126A - Wheel ornament : en
  • US2158230A - Beverage glass : en
  • GB505917A - Improvements in and relating to cleaning or filtering apparatus for air or other gases : en
  • GB506380A - An improved electro-mechanical lock for the landing gates and doors of lift systems and the like : en
  • CH204526A - Refining process for petroleum derivatives. : en fr
  • FR841276A - Improvements in tuning devices for oscillating circuits, in particular those for t installations. s. f. : en fr
  • GB505896A - Improvements in or relating to wireless receivers or transmitters and the like : en
  • US2158247A - Bench back rest : en
  • CH204685A - Vessel with inner closure by means of a ball. : de en
  • CH204519A - Process for the oxidative degradation of the side chain of sterol compounds. : de en
  • FR841390A - Silent device for the exhaust of motor vehicle engines and other applications : en fr
  • US2158846A - Electric circuit breaker : en
  • USD114880S - Design fob a cap : en
  • US2158328A - Automatic phonograph : en
  • CA381394A - Polymerizing process : en fr
  • CH204471A - Spinning baits intended for sport fishing. : de en
  • CH204627A - Short wave tube with a retarder. : de en
  • CH204646A - Process for the preparation of a novel derivative of tetrahydronaphthalene. : en fr
  • GB505608A - Improvements in joints for sub-soil drainage pipes : en
  • US2158843A - Azo dyestuffs : en
  • CH204606A - Electrical transformer for high voltage. : en fr
  • US2158731A - Parachute braking means : en
  • FR841204A - Device for numbering photographic prints : en fr
  • FR841428A - Improvements made to the production of claws or shoes to prevent the wheels of agricultural or other tractors from slipping : en fr
  • US2158121A - Auxiliary fog lens for automobiles : en
  • US2158741A - Vehicle body air circulating and conditioning apparatus : en
  • USD114812S - Design for a game board : en
  • FR841279A - Improvements in metal pickling : en fr
  • GB505739A - A new or improved wardrobe : en
  • GB506058A - Improvements in illuminated display signs : en
  • DE675732C - Machine tool with hydraulic displacement by a piston with different sized front surfaces : de en
  • US2158597A - Fishing reel : en
  • US2158102A - Burette : en
  • US2158181A - Delayed action reversing switch : en
  • US2158251A - High-frequency radio amplifying circuits : en
  • US2158754A - Apparatus for the manufacture of production of laminated sheet material : en
  • US2158860A - Mechanical movement for toy figures and so forth : en
  • US2158921A - Underclearer mounting in textile spinning, preparing, and like machines : en
  • CH204648A - Telegraph system. : de en
  • US2158479A - Distributor for fertilizer, lime, or the like : en
  • US2158925A - Indicating instrument : en
  • CH204671A - Motor vehicle chassis for motor vehicles. : de en
  • DE675710C - Machine for making bags from paper or the like. : de en
  • ES5047U - Automatic regulator-regulator of gas pressure. (Machine-translation by Google Translate, not legally binding) : en es
  • FR841226A - Turbine casing : en fr
  • USD114869S - Design for a textile fabric : en
  • USRE21088E - Electrolytic device : en
  • GB505941A - Improvements in or relating to devices for filling and emptying cartridge belts : en
  • GB505998A - Improvements in or relating to the treatment of electrodes for electrolytic devices,such as electrolytic condensers : en
  • US2158444A - General utility tool : en
  • US2158863A - Separator : en
  • GB505860A - Improvements in and relating to the control device of the engine of an automobile : en
  • FR841377A - Slat sorter : en fr
  • DE675884C - Method and device for operating continuously operating absorption refrigeration apparatus : de en
  • CH204749A - Process for the preparation of a new carbonic acid derivative. : de en
  • FR841288A - Azo dyes : en fr
  • DE675782C - Procedure for operating elastic converters : de en
  • GB505815A - Improvements in or relating to anti-vacuum valves for fluid conduits : en
  • GB505912A - Improvements in or relating to television apparatus : en
  • US2158130A - Light polarizer : en
  • CH204469A - Cultivation system for mushrooms, bleached vegetables or the like. : de en
  • CH204532A - Device for cleaning the dies of die setting and line casting machines. : de en
  • CH204554A - Procedure for the operation of measuring circuits. : de en
  • US2158238A - Process for thermal atmolysis and apparatus employing same : en
  • US2158433A - Spindle pin remover : en
  • US2158917A - Hay unloader : en
  • FR841243A - Combination lock : en fr
  • GB505799A - Improvements in and relating to coating of articles by cathode disintegration : en
  • US2158461A - Method of making bearings : en
  • US2158509A - Steam generating and superheating apparatus : en
  • US2158736A - Locking apparatus for vehicle body doors : en
  • US2158802A - Pipe hanger : en
  • US2158565A - Process for making harsh tobacco mild and the resultant product thereof : en
  • US2158651A - Steel : en
  • CH204539A - Bellows puller. : de en
  • DE665539C - Method for operating an internal combustion engine with external combustion : de en
  • DE675700C - Method and device for surface treatment of metallic objects : de en
  • CH204624A - Method for extinguishing the arc of the valve of the burning phase of multi-phase arc inverters, in particular Marx inverters. : de en
  • US2158378A - Lock washer : en
  • US2158571A - Ice cap : en
  • US2158988A - Storage battery : en
  • US2158212A - Flexible coupling : en
  • USD114753S - Design fob a garment hanger : en
  • CH204773A - Method for selecting punched cards, and apparatus for its implementation. : en fr
  • US2158343A - Display device : en
  • AU107357B2 - Improvements in or relating to cathode ray tubes suitable for use in television : en
  • DE675905C - Needle changing device for sound boxes and pickups : de en
  • CH204710A - Process for the preparation of an amino alcohol. : de en
  • CH204662A - Horseshoe studs. : de en
  • USD114846S - Design for a lamp base : en
  • FR49622E - Converter assembly for obtaining a ripple with a higher number of phases : en fr
  • FR841241A - Safety device on the brake line coupling between the towing vehicle and the towed vehicle of a motor vehicle train : en fr
  • GB505771A - Improvements in or relating to steam separating apparatus : en
  • GB505859A - Antigen for the treatment of foot and mouth disease : en
  • CA381375A - Indurated heel manufacture : en fr
  • GB505971A - Process and apparatus for deodorizing and otherwise purifying gases derived from the roasting of vegetable materials : en
  • GB505972A - Therapeutic preparation and method of making the same : en
  • FR841301A - Process for manufacturing colored drawing objects from hot-molded materials : en fr
  • FR841406A - Advanced closing device for doors and doors : en fr
  • CH204689A - Process for the preparation of 4-methyl-5-acetoxyethylthiazole. : de en
  • FR841335A - Color television process : en fr
  • GB505754A - Improvements in or relating to the preparation of baked products from seeds, fruits or vegetables : en
  • GB505910A - Improvements in or relating to navigation aiding radio transmitting installations : en
  • CH204743A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • USD114822S - Design for a standard for a dental : en
  • DE675695C - Magnetic electric ignition system for internal combustion engines : de en
  • DE675858C - Shoe sole with a sloping toe position accordingly, over the width of the sole extending elevation : de en
  • US2158507A - Telescope objective : en
  • US2158706A - Control circuit : en
  • US2158800A - Hair-waving apparatus : en
  • US2158203A - Means for holding shoe uppers in lasted position : en
  • US2158349A - Propelling mechanism : en
  • US2158623A - Convertible rifle rack : en
  • GB505939A - Improvements in or relating to fluid and other commodity dispensing apparatus : en
  • US2158089A - Building block : en
  • FR841349A - Automotive vehicle testing equipment : en fr
  • DE675900C - Knitting needles, in particular for picking up stitches : de en
  • US2158308A - Exciter lamp for sound recorders and reproducers : en
  • USD114790S - Design for a collar holder or : en
  • US2158356A - Apparatus for oil well drilling : en
  • USD114752S - Design fob a stick fob fbozen : en
  • GB505913A - Improvements in or relating to radio direction finding apparatus : en
  • DE675767C - Process to prevent foam formation in animal and vegetable adhesive solutions : de en
  • GB505805A - An improved process for producing artificial filaments from cuprammonium cellulose solution by the stretch spinning process in a spinning funnel : en
  • GB505883A - Improvements in lead presses : en
  • GB505701A - Improvements in or relating to brushes : en
  • GB506036A - Method and apparatus for utilising molten material in heat treatment of liquids not miscible with the molten material : en
  • US2158553A - Mechanical calendak : en
  • FR841282A - Protective braid for use on fragile vessels, especially glass ones : en fr
  • GB506035A - Improvements relating to projecting lamps : en
  • DE674814C - Central clock system : de en
  • CA381368A - Electric connector : en fr
  • US2158462A - Processing of veal carcasses : en
  • US2158475A - Recording and illustrating dance steps : en
  • FR841292A - Improvements to material handling systems : en fr
  • DE675763C - Circuit arrangement for telephone systems, in which, if a two-wire connection line fails, its blocking is prepared and completed by a subsequent occupation of the line by a voter : de en
  • CH204500A - Device for the recovery of carbon disulfide and hydrogen sulfide in the aftertreatment process in the manufacture of viscose rayon. : de en
  • GB506053A - Improvement in regulator : en
  • DE675587C - Damping device for torsional vibrations, especially in disc clutches of motor vehicles : de en
  • DE675723C - Representation of sulfuric acid compounds of substituted aliphatic carboxylic acid or sulfonic acid amides : de en
  • DE675765C - Electric propeller drive for multi-shaft ships : de en
  • DE675804C - Process for making soured baked goods : de en
  • GB506059A - Automatically acting tube closure means : en
  • US2158127A - Three-section condenser of the trimmer type : en
  • US2158923A - Closure for receptacles : en
  • US2158167A - Tire-slitting machine : en
  • US2158376A - Antenna system : en
  • FR49630E - Novel Amino Acid Derivatives of the Aliphatic Series and Method of Preparing Them : en fr
  • GB505688A - Improvements relating to cleaning coal, concentrating ores and the like : en
  • GB505793A - Improvements in tables : en
  • FR841294A - Improvements to hydraulic devices for remote control : en fr
  • FR841423A - Preparation of aminohydrazines : en fr
  • GB505708A - Article of clothing : en
  • US2158482A - Conveyer switch : en
  • US2158494A - Treatment of textile materials : en
  • US2158901A - Container and applicator for cosmetics : en
  • US2158361A - Manufacture of lubricating oil : en
  • US2158515A - Timed circuit breaker mechanism : en
  • DK56172C - Assembly bracket for garden parasol poles. : da en
  • FR49637E - Potato sorter-grader : en fr
  • GB505753A - An improved process for concentrating, separating and purifying colloidal dispersions : en
  • DE675761C - Steam generator : de en
  • GB505766A - Improvements in or relating to metal-clad electric switchgear : en
  • GB505919A - Improvements in x-ray diaphragms for intercepting secondary radiation and method of making same : en
  • DE675745C - Holders of permanent magnets : de en
  • GB505734A - A process for the preparation of sodium monoxide : en
  • FR49643E - New joint for pipes, process and means involved in its preparation : en fr
  • FR841368A - New cheese and its manufacturing process : en fr
  • GB505844A - Process for obtaining fats, fatty oils, and protein products from offal, garbage or other animal or vegetable products : en
  • GB505640A - Improvements in and relating to cinematographic projectors : en
  • US2158891A - Parking mechanism for automobiles : en
  • US2158704A - Measuring cup : en
  • USD114873S - Design for a dress ensemble : en
  • US2158137A - Speed ratio indicator : en
  • USD114801S - Design for a clip or similar article : en
  • GB505707A - Improvements in vehicle window regulators : en
  • US2158092A - Flap and aileron control system : en
  • US2158710A - Coke oven apparatus : en
  • DE675908C - Circuit arrangement for sound recording devices : de en
  • AU178538A - An improved clothes drying appliance : en
  • AU236238A - Process forthe bleaching of cellulosic materials : en
  • US2158707A - Air conditioning device : en
  • CH204596A - Magneto. : en fr
  • US2158916A - Dispensing device : en
  • US2158400A - Metal forming working device : en
  • US2158730A - Valve operating mechanism : en
  • US2158787A - Gas valve and controlling arrangement therefor : en
  • DE675741C - Remote controlled starting device : de en
  • US2158643A - Gas safety heater : en
  • US2158824A - Circuit controlling device : en
  • CA381460A - Axle journal rolling apparatus : en fr
  • USD114868S - Design fob a textile fabric : en
  • US2158766A - Meat tenderer : en
  • CH204683A - Electric high-performance hotplate. : de en
  • DE674056C - Suction line connection for horizontal high pressure piston compressor : de en
  • FR49624E - Brewery barrel : en fr
  • GB505894A - Improvements in and relating to means for controlling the supply of gas and water to geysers and the like : en
  • GB505945A - Improvements in or relating to electric signalling systems : en
  • CH204759A - Process for the preparation of a new therapeutically effective amidine. : de en
  • US2158334A - Absorbent article-saturating apparatus : en
  • US2158355A - Piston expander : en
  • US2158745A - Chaff baling attachment for a harvester : en
  • US2158924A - Fish lure : en
  • US2158711A - Circuit breaker : en
  • US2158188A - Indexing mechanism : en
  • US2158231A - Hydraulic power plant : en
  • US2158450A - Electron discharge device : en
  • US2158473A - Acid anthbaquinone dyestuffs and their manufacture : en
  • CA381364A - Smoke eliminator : en fr
  • US2158250A - Air conditioning system : en
  • US2158456A - Adjustable fabric article : en
  • US2158940A - Abrading machine : en
  • AU176638A - Improvements in and relating to rock drills andthe like : en
  • CH204681A - Twin-engine aircraft with tension and compression screw. : de en
  • AU107342B2 - An improved clothes drying appliance : en
  • NL45840C - : en
  • USD114782S - Design for a flower basket : en
  • CA381427A - Roof drain : en fr
  • AU143438A - An improved adjustable carrier arm for shearing machine grinders : en
  • US2158264A - Antiskid device : en
  • US2158603A - Electric heating apparatus : en
  • US2158883A - Photographic emulsion containing supersensitized-4'-carbocyanines : en
  • AU107340B2 - Improvements inthe manufacture of tins or sheetmetal containers cans andthe like : en
  • CA381356A - Sulphite pulp production : en fr
  • US2158316A - Hitch : en
  • USD114788S - Design for- a watch or similar : en
  • CH204732A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • CA381446A - Chlorinated hydrocarbon manufacture : en fr
  • CH204498A - Perforated vessel lid made of plastic to keep insects away. : de en
  • US2158440A - Friction clutch mechanism : en
  • US2158709A - Metal spoked wheel : en
  • US2158837A - Method of and apparatus for packaging liquids : en
  • USD114757S - Design for a blouse : en
  • US2158463A - Dough cutter : en
  • USD114863S - Design fob a vanity case : en
  • US2158299A - Rake and tedder mechanism : en
  • US2158743A - Spark plug : en
  • US2158778A - Crusher : en
  • GB505882A - Improvements in or relating to suction cleaners : en
  • CA381406A - Belt and connector : en fr
  • CA381474A - Weed eradicating machine : en fr
  • CH204493A - Device for closing a door, in particular an oven door of a stove. : en fr
  • FR841215A - Brake, in particular for motor vehicles : en fr
  • FR841212A - Starter device for multi-cylinder gas engines : en fr
  • US2158071A - Ester condensations : en
  • DE675746C - Hanging or hanging device for handcases : de en
  • FR841222A - Loom with guide placed in the shed for the introduction of the weft thread : en fr
  • GR8205B - PERFECTIONS IN THE MANUFACTURE OF MANGANIA. : el en
  • CH204557A - Glare-free shooting glasses. : de en
  • US2158857A - Temperature control device : en
  • DE675784C - Rectifier in which the rectification is effected by rotating electrodes immersed in an electrolyte : de en
  • DE675811C - Device for impregnating brown coal briquettes : de en
  • USD114770S - Design for a girdle : en
  • US2158138A - Process of making rubber derivatives : en
  • US2158153A - Method of making an article of footwear : en
  • DE675801C - Device for binding the carbonic acid for respiratory protection devices : de en
  • CH204617A - Safety fuse for motor vehicles. : de en
  • US2158514A - Combined sash balance and weather strip : en
  • US2158795A - Automatic weighing machine for dispensing and mixing paint : en
  • US2158804A - Automatic brake shoe wear compensating means : en
  • AU107373B2 - Improvements in the manufacture of articles of fused silica and the like : en
  • US2158271A - Short wave antenna : en
  • US2158598A - Aircraft construction : en
  • FR841280A - Combined transmission by pedals and levers for bicycles or the like : en fr
  • US2158093A - Liquid molasses stock feeder : en
  • US2158574A - Safety cock : en
  • US2158881A - Range : en
  • DE675836C - Induced draft device for firing systems : de en
  • US2158681A - Cabinet bath apparatus : en
  • US2158879A - Lubricating device : en
  • US2158155A - Watch container : en
  • US2158898A - Control valve for liquid elevating apparatus : en
  • US2158346A - Timing relay : en
  • US2158920A - Circuit breaker having butt contacts : en
  • US2158542A - Refrigerating apparatus : en
  • AU475238A - Improvements relating to snap fastener sockets and installations thereof : en
  • CA381424A - Accounting machine : en fr
  • CA381404A - Azo dyestuff composition : en fr
  • CH204639A - Tweezers for holding artificial incisors, canines and facet teeth when working, especially grinding them. : de en
  • US2158385A - Electric coupling for vehicles : en
  • US2158545A - Peach pitter : en
  • US2158289A - Means for suppressing disturbances in ionic valves by grid control : en
  • FR841379A - Device for controlling a component with control of a control circuit for a second component according to the position of the first : en fr
  • DE675625C - Transmitting device for selecting branch points on connecting lines in telecommunication systems, in particular telephone systems : de en
  • CA381465A - Seal for rotating shafts : en fr
  • NL45777C - : en
  • DE675869C - Process for generating, amplifying or rectifying vibrations : de en
  • US2158734A - Bracket for bathroom accessories : en
  • CA381395A - Explosive : en fr
  • US2158345A - Tag and means thereon for attaching the same to garments : en
  • DE675778C - Device for demodulating frequency or phase modulated vibrations : de en
  • US2158720A - Spiral broach device : en
  • US2158939A - Supporting horse : en
  • US2158849A - Electric lamp : en
  • CH204595A - Injection device for multi-cylinder internal combustion engines. : de en
  • DE664607C - Device for achieving three-dimensional and spatial impressions of images, in particular photographs : de en
  • GB505736A - Improvements relating to production of olefin polymers : en
  • US2158234A - Composite sheet metal wall structure : en
  • DE675480C - Process for the preparation of new benzimidazole capsules : de en
  • DE675714C - Epicyclic gears for motor vehicles : de en
  • FR841203A - Aviation grenade charger : en fr
  • US2158572A - Automatic engine control : en
  • GB505598A - Improvements in or relating to automatic tuning devices for radio receivers : en
  • CA381405A - Shielded electric plug and socket : en fr
  • US2158544A - Clutch : en
  • US2158848A - Electric socket : en
  • DE675755C - Wrench : de en
  • GB505777A - Improvements in or relating to electric discharge devices : en
  • US2158844A - Temperature compensated oscillator : en
  • FR841277A - Improvements made to engine power systems, in particular aircraft engines : en fr
  • GB505958A - Improvements in locks for doors, safes and the like : en
  • FR49639E - Dyes of the anthraquinone series and their production process : en fr
  • GB505906A - Improvements in gravity separation apparatus : en
  • FR841255A - Liquid shock absorber for vehicle suspension spring : en fr
  • GB505638A - Improvements in or relating to metal-clad electric switchgear : en
  • DK56163C - Sneplov. : da en
  • US2158930A - Switch : en
  • USD114852S - Design for a textile fabric or : en
  • US2158965A - Static eliminating means for carbon dioxide apparatus : en
  • US2158179A - Photographic objective : en
  • US2158867A - Ribbon wiring : en
  • FR841440A - Remote control device : en fr
  • DE675602C - Synchronization control device for multi-motor drives of continuous roller lines : de en
  • DE676552C - Spindle drive for spinning, twisting, winding and similar textile machines : de en
  • US2158091A - Stabilized salts of acetyl salicylic acid : en
  • CA381358A - Hygienic undergarment : en fr
  • DE675748C - Arrangement of the brake of winches or the like. : de en
  • DE675872C - Device for the color correct image projection of lenticular films : de en
  • USD114742S - Design for a sign : en
  • FR841327A - Manufacturing process of electric resistance heating surfaces, surfaces obtained and their applications : en fr
  • GB505652A - A new or improved process for producing bricks, tiles or other moulded-articles fromgranular or powdered clay or other materials : en
  • US2158325A - Combination metal-wood ski : en
  • USD114858S - Design fob a tea canister : en
  • FR841385A - Improvements to vehicle-mounted windshield wipers : en fr
  • GB505809A - Improved freight transferring apparatus : en
  • US2158374A - Soluble oils : en
  • US2158350A - Match book making machine : en
  • US2158547A - Yarn furnishing device : en
  • GB505738A - Improvements in or relating to damping arrangements for resisting variations in the speed of a driven member : en
  • US2158493A - Artificial line for use on radio and other high frequencies : en
  • US2158557A - Turbine : en
  • US2158821A - Program phase reverser : en
  • USD114793S - Design fob a scarf or similar article : en
  • CH204727A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • US2158454A - Venetian blind structure : en
  • US2158890A - Connection device : en
  • US2158213A - Process of preparing chlorinated ethylenes : en
  • US2158290A - Process of preparing methyl-vinylketone : en
  • CH204698A - Process for the production of an organic mercury compound. : de en
  • GB505782A - Improvements in or relating to record-card controlled statistical printing machines : en
  • GB505974A - Fluid-controlling valves : en
  • US2158906A - Demonstration apparatus : en
  • US2158488A - Independently sprung suspension wheel unit : en
  • US2158690A - Method for treating oils : en
  • CH204693A - Process for the preparation of 4-methyl-5-oxyethylthiazole. : de en
  • US2158332A - Vehicle ventilating apparatus : en
  • US2158546A - Adjustable bier : en
  • US2158893A - Door tension device for motor vehicles : en
  • CA381442A - Borehole core recovering device : en fr
  • DE675825C - Pacemaker oven in conjunction with an ejector device : de en
  • FR841358A - Shock absorber-compensator : en fr
  • US2158197A - Sewing machine : en
  • US2158806A - Smoker's stand : en
  • US2158573A - Transmission mechanism : en
  • US2158942A - Automatic control for concrete pavers : en
  • DE675923C - Pivoting side window for motor vehicles : de en
  • DE675807C - Cupboard or frame with a foldable bed and a partition that covers the cupboard niche when the bed is in use : de en
  • US2158408A - Bed lamp : en
  • US2158927A - Wire stretcher : en
  • US2158064A - Polyamides and their production : en
  • GB505983A - Improvements in the manufacture and production of pharmaceutically active substances : en
  • US2158983A - Lock : en
  • USD114773S - Guitar or similar article : en
  • US2158534A - Mechanically operated eraser for typewriters : en
  • USD114871S - Design for a book end : en
  • US2158955A - Bag frame : en
  • CH204503A - Control device for weaving, knitting and similar machines. : de en
  • US2158885A - Electric valve circuit : en
  • DK56184C - Acoustic Signal Apparatus. : da en
  • DE675737C - Cutting torch-safe massive, one piece of steel reinforcement for safe doors u. like : de en
  • USD114755S - Design fob a coat : en
  • US2158535A - Shock absorber : en
  • DE675924C - Car body window guidance : de en
  • FR49646E - Method for eliminating tracking errors in direction-finding and device including application : en fr
  • FR841322A - Improvements to phonographic players and other similar devices : en fr
  • US2158297A - Seal for refrigerating apparatus : en
  • USD114785S - Design fob a shoe : en
  • USD114811S - Design for a textile fabric or : en
  • USD114832S - Design for a casing fob door closing : en
  • FR841344A - Axle blocking device : en fr
  • FR841346A - Method and device for regulating the treatment of sweet or other liquors : en fr
  • GB505800A - Apparatus and method for recording or projecting stereoscopic pictures by the double-image process : en
  • CH204525A - Process for the preparation of a paint binder. : de en
  • DK56169C - Electron tubes, in particular magnetron tubes, and couplings with such. : da en
  • US2158145A - Motor : en
  • CH204720A - Teaching aids for arithmetic lessons. : de en
  • US2158502A - Receptacle opener and spout : en
  • US2158834A - Drop hammer board : en
  • US2158165A - Paper can : en
  • US2158788A - Oestrus-promoting substance from the anterior lobes of the hypophysis and a process of preparing it : en
  • AU178938A - Improvements in telephone toll systems : en
  • CH204575A - Process for manufacturing a defibrating wheel, in particular for paper pulp, and a wheel obtained by means of this process. : en fr
  • US2158365A - Oil refining system : en
  • DE675785C - Air movement system with two centrifugal fans connected in parallel : de en
  • CA381445A - Nitric acid production : en fr
  • CH204757A - Process for the preparation of a new therapeutically effective amidine. : de en
  • FR49603E - Corset : en fr
  • FR49613E - Elastic wheel device for rail vehicles : en fr
  • GB505830A - Improvements in and relating to ceramic materials : en
  • GB505841A - Lever-operated clutches : en
  • DE675501C - Pressure medium switching device for gear change transmissions, especially of motor vehicles : de en
  • GR8207B - LONG DURATION ELECTRIC LAMPS. : el en
  • CH204529A - A method of treating articles at least partly of iron or steel, with a view to providing them with a protective coating against rust. : en fr
  • GB505684A - Improvements in lifting mechanism for horse and tractor drawn ploughs and other agricultural implements : en
  • GB505837A - Production of inflatable cores for moulding hollow articles of concrete : en
  • FR841396A - Single rod centrally controlled clutch : en fr
  • CH204766A - Process for the preparation of a new therapeutically effective amidine. : de en
  • US2158911A - Pie plate : en
  • USD114792S - Design for a spoon ob other article : en
  • CA381388A - Abrasive paper : en fr
  • CA381365A - Corset : en fr
  • CH204669A - Safety device on the brake line coupling between the towing and towed vehicle of a vehicle train. : de en
  • US2158649A - Precision apparatus for machine tools : en
  • US2158335A - Feeding mechanism : en
  • CA381433A - Waterproof and oilproof abrader : en fr
  • CH204488A - Charcoal fireplace. : en fr
  • US2158235A - Motor vehicle : en
  • US2158533A - Means and method for the manufacture of decorative needled fabrics : en
  • US2158751A - Thermometer : en
  • USD114876S - Design fob a dress : en
  • US2158313A - Pick-off gauge : en
  • GB505993A - Improvements relating to consistency control : en
  • US2158624A - Brake : en
  • US2158803A - Oil sampler : en
  • CA381409A - Power transmission mechanism : en fr
  • GB505602A - Improvements in or relating to stereoscopic pictures : en
  • CA381393A - Quaternary ammonium compound : en fr
  • CH204613A - Remote control system working according to the pulse method with safety device against faulty switching caused by interference pulses. : de en
  • CH204713A - Process for the preparation of an azo dye containing complex bonded copper. : de en
  • CH204484A - Device for controlling the cutting of a fine stone. : en fr
  • CH204608A - Machine for the production of insulating tubes for electrotechnical purposes. : de en
  • CA381423A - Titanium sulphate solution purification : en fr
  • AU107361B2 - Improvements in heavy alloys : en
  • CH204607A - Magnetic circuit for electrical devices, in particular for static transformers. : en fr
  • DE675646C - Extendable fire ladder : de en
  • GB505967A - Engine arrangement in multi-engined air-craft : en
  • CA381472A - Laying nest : en fr
  • DE675554C - Process for the production of azo dyes : de en
  • CH204647A - Vending machine with gaming device. : de en
  • US2158428A - Battery isolating switch suitable : en
  • US2158543A - Humidifier : en
  • US2158558A - Hydraulic servo system : en
  • USD114849S - Design for a dental unit : en
  • US2158172A - Button sewing machine : en
  • US2158394A - Shoetree : en
  • US2158459A - Registering bank : en
  • GB505978A - A solution for use in the heat treatment of steel : en
  • GB505981A - Improvements in or relating to electric insulators : en
  • CA381363A - Pitchfork : en fr
  • CH204483A - Process for producing a ready-to-burn cement mixture. : de en
  • CH204584A - Friction speed variator. : en fr
  • GB505847A - Improvements in or relating to indicating and/or recording apparatus : en
  • GB505895A - Cylinders of internal combustion engines : en
  • CA381459A - Axle journal rolling apparatus : en fr
  • CH204480A - Cooking stove insert plate. : de en
  • DE675679C - Intermediate tube amplifier for submarine cable systems : de en
  • CH204645A - Process for the production of triturations of fresh plants. : de en
  • CH204706A - Process for the preparation of an amino alcohol. : de en
  • US2158529A - Guard for rock drills : en
  • US2158678A - Switch : en
  • DE675901C - De-husking machine for pods, beans or the like. : de en
  • GB505685A - Improvements in windscreens for motor vehicles and the like : en
  • DE675759C - Sugar snap device with constant feed : de en
  • DK56178C - Machine milking plant. : da en
  • GB505600A - Improvements in or relating to the manufacture of hydrogenation products of furfurol : en
  • GB506039A - Calculating device for use with machine tools : en
  • DE675733C - Filling regulation for agitator heaters : de en
  • FR841224A - Pumping unit with centrifugal pump and degassing pump : en fr
  • GB505763A - Improvements in or relating to electrical musical instruments : en
  • CH204688A - Process for the preparation of 4-ethyl-5-oxyäthylthiazole. : de en
  • DE675834C - Device for the simultaneous supply of several direct current consumers with possibly different voltages from an alternating current network via grid-controlled gas or vapor discharge lines : de en
  • USD114878S - Design for a dress ensemble : en
  • CH204674A - Anti-skid element for vehicle wheels. : de en
  • US2158225A - Chair : en
  • US2158474A - Inking arrangement for rotary printing presses : en
  • GB505922A - An improvements in or relating to friction linings : en
  • GB505893A - Improvements in and relating to taps for gas burners : en
  • USD114761S - Design for a finger ring or similar : en
  • GB505816A - Improvements in and relating to dish-washing machines : en
  • DE675647C - Gyrocopter that can be used temporarily as a helicopter : de en
  • GB505909A - Improvements in lens systems : en
  • CH204603A - Method for filling a closed refrigeration apparatus with refrigerant. : en fr
  • FR841441A - Looms chain breaker device : en fr
  • GB505948A - Method for the production of oxygen baths by catalytic means : en
  • DE675712C - Roll film camera : de en
  • US2158986A - Hand luggage : en
  • GB505679A - Improvements in or relating to brick making : en
  • FR841429A - Process for manufacturing objects in the form of leaves, petals and other parts of plants, and product obtained : en fr
  • US2158099A - Powder refill for compacts : en
  • US2158641A - Knock-down cabinet assembly : en
  • US2158712A - Refill dispensing wrapper : en
  • US2158932A - Fishing rod : en
  • DE675724C - Circuit arrangement for the thermoelectric train conveyance : de en
  • FR841430A - Method and device for spreading sheets in printing : en fr
  • AU420138A - Anew or improved stapling mechanism : en
  • GR8201B - DRILLING TOOL FOR USE OF TAILORS. : el en
  • DE675899C - Additive for synthetic resin glue : de en
  • FR841401A - Exhaust for internal combustion engine : en fr
  • DE675756C - Expanding pliers : de en
  • GB505842A - Improvements in or relating to display apparatus : en
  • US2158100A - Shaft coupling : en
  • US2158351A - Valved piston : en
  • US2158560A - Treatment of sheet material : en
  • US2158882A - Photographic emulsion : en
  • USD114875S - Design fob a dress : en
  • CH204560A - Weight watch with rate control and winding by a small synchronous motor. : de en
  • CH204682A - Ceramic building material. : de en
  • CH204485A - Bulk stone with centrifuge. : de en
  • US2158518A - Production of aromatic aldehydes : en
  • US2158389A - Lubricating oil : en
  • FR841256A - Improvement in the establishment of wrenches with movable jaws : en fr
  • GB505724A - Improvements relating to the manufacture of carburetted water gas : en
  • GB505808A - A process of, and apparatus for, treating vegetable matter for the production of fibres and cellulose : en
  • US2158827A - Method of and machine for winding coils : en
  • US2158567A - Pneumatic hammer : en
  • GB505637A - Incendiary bombs for instructional and demonstration purposes : en
  • US2158296A - Condensation products of the perylene series : en
  • US2158703A - Patch vulcanizing apparatus : en
  • GB505990A - Improvements in or relating to heating, grilling or the like apparatus utilising a liquid or gaseous fuel : en
  • US2158767A - Can filling machine : en
  • US2158086A - Method of manufacturing cellular rubber sheets : en
  • US2158107A - Esters of glycol and acylated hydroxy acids : en
  • GB505761A - Improvements in and relating to the manufacture of electric cables : en
  • CH204635A - Process for the production of incandescent lamps with lamp bases made of tempered glass or quartz glass. : de en
  • US2158123A - Lapping or abrading tool : en
  • US2158705A - Flexible separator screen : en
  • CA381413A - Acetaldehyde production : en fr
  • US2158331A - Poppet valve control for steam locomotives : en
  • USD114756S - Design for a combination ruler or : en
  • US2158185A - Toning and intensifying solutions : en
  • US2158187A - Liner for ball mills : en
  • DK56185C - Method for Manufacturing Decorated Surfaces. : da en
  • AU216538A - Improvements in conductor systems for electric apparatus : en
  • CH204618A - Overcurrent torque relay for alternating current, insensitive to the direct current component of the inrush current, especially from transformers. : de en
  • US2158117A - Gelatin treatment : en
  • CA381453A - Refrigerator car floor rack : en fr
  • CH204523A - Process for the production of a chromium-containing dye. : de en
  • CH204740A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • US2158453A - Chair : en
  • USD114856S - Design for a tablecloth or similar : en
  • US2158674A - Windshield heater : en
  • US2158687A - Method and apparatus for treating metal : en
  • US2158910A - Pie making machine : en
  • AU430538A - Improvements in or relating to photographic cameras : en
  • US2158441A - Spring structure for furniture : en
  • FR841220A - Advertising apparatus comprising a number of gas discharge tubes : en fr
  • US2158764A - Stethoscope : en
  • US2158424A - Automatic choke : en
  • FR841450A - Multiple notch coupling device for electric motors : en fr
  • FR49614E - Automatic circuit breaker reclosing device : en fr
  • GB505765A - Improvements in the production of pattern effects on textile materials : en
  • GB506033A - Improvements in or relating to the envelopes and contact bases of electric discharge devices : en
  • CH204762A - Process for the preparation of a new therapeutically effective amidine. : de en
  • AU107350B2 - Improvements in fluid-operated hoists for raising motorcars and for other purposes : en
  • US2158716A - Refrigeration : en
  • US2158278A - Process for treating metal : en
  • CH204571A - Setting device for gate and circular saw blades. : de en
  • AU394638A - Improvements inthe destructive hydrogenation of recent brown coals : en
  • CH204561A - Aluminum manufacturing process. : en fr
  • US2158664A - Welding process and apparatus : en
  • AU107341B2 - Improvements in or relating to methods and means forthe de-fibring and de-inking of papers : en
  • AU107360B2 - Interpolymerzation products and process of producing same : en
  • US2158076A - Lined tumbling barrel : en
  • CH204692A - Process for the preparation of 4-methyl-5-oxyethylthiazole. : de en
  • CH204610A - Encapsulated electrical connector. : de en
  • GB505795A - Improvements in automatic brake adjusting means : en
  • GB505914A - A packet-closing machine : en
  • CH204744A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • US2158204A - Fog inhibitor for photographic emulsions : en
  • US2158399A - Lift structure : en
  • DE675771C - Switching device for continuously variable transmission of motor vehicles : de en
  • GB505740A - A process of refining hydrocarbon oils : en
  • US2158498A - Tackle for flat knitting machines : en
  • CA381428A - Baking pan set : en fr
  • CH204696A - Process for the preparation of a nitrogen- and sulfur-containing condensation product. : de en
  • CA381468A - Crepe thread and fabric : en fr
  • CH204470A - Barriers with partitions on feeding racks for large cattle. : de en
  • CH204474A - Insulating plate. : de en
  • CH204518A - Method and device for the electrolytic decomposition of salt solutions using the amalgam method. : de en
  • CH204555A - Method for making sound recordings. : en fr
  • CA381448A - Dialytic process : en fr
  • US2158644A - Street indicator : en
  • USD114841S - Design for an alphabet for forming : en
  • US2158082A - Building construction : en
  • US2158254A - Windshield wiper : en
  • CH204479A - Reinforced concrete slab girders, especially for bridge decks, heavily loaded ceilings and the like. : de en
  • CH204767A - Process for the preparation of a new aliphatic-aromatic substituted ester of estradiol. : de en
  • US2158206A - Form for making rubber garments : en
  • CA381360A - Electric receptacle : en fr
  • AU107359B2 - Improvements in conductor systems for electric apparatus : en
  • NL84706B - : en
  • US2158366A - Brittle fusible resin : en
  • US2158140A - Flexible interlocking shingle : en
  • US2158818A - Brake shoe : en
  • US2158141A - Window cleaner : en
  • US2158282A - Liquid fuel burner for absorption refrigeration apparatus : en
  • US2158808A - Sealing strip : en
  • US2158569A - Formation tester : en
  • USD114853S - Design fob a tassel : en
  • US2158894A - Testing plant for internal combustion engines : en
  • CA381463A - Nut threading machine : en fr
  • CH204686A - Process for the production of a new textile auxiliary. : de en
  • DE674772C - Foundry supplies to be poured in : de en
  • CA381439A - Sound recording system : en fr
  • DE675751C - Hull for flying boats : de en
  • GB505729A - Improvements in a process for producing readily inflammable solid fuels and motor fuels : en
  • DE675813C - Machine for stapling loose-leaf books with rows of holes with a helical spring : de en
  • CH204524A - Device for refining and sieving liquid colors. : de en
  • CH204593A - Method for operating internal combustion dust engines, in particular coal dust engines. : de en
  • USD114886S - Design for a wind driven twin : en
  • US2158284A - Printing machine : en
  • CH204735A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • DK56162C - Process for the preparation of basic sulphanilic acid amides. : da en
  • US2158342A - Mixing and control device for fluids : en
  • CH209871A - Eraser holder with eraser. : de en
  • CH204765A - Process for the preparation of a new therapeutically effective amidine. : de en
  • GB505908A - Improvements relating to pulp beaters : en
  • AU107348B2 - Improvements in or relating to electric remote indication systems : en
  • USD114743S - Design for a flower basket : en
  • FR841419A - Internal combustion engine : en fr
  • GB505606A - Improvements in or relating to metal-clad electric switchgear : en
  • US2158439A - Adjustable service pencil : en
  • USD114762S - Design for a coat : en
  • AU232838A - Improved draining connection for use with three-compartment washtubs : en
  • USD114855S - Design for a lamp mounting bracket : en
  • CA381376A - Artificial charcoal : en fr
  • DE675857C - Chubb lock with a single key, a group key and a master key : de en
  • US2158097A - Container construction : en
  • US2158765A - Over-fired furnace : en
  • US2158223A - Stoker : en
  • US2158605A - Heating apparatus : en
  • US2158220A - Process of concentrating calcite : en
  • US2158668A - Inhibited motor oils : en
  • CH204695A - Process for the preparation of a nitrogen- and sulfur-containing condensation product. : de en
  • US2158358A - Separation of wax from oil : en
  • US2158967A - Rotary road broom : en
  • CA381354A - Fly trap : en fr
  • CH204491A - Installation at chimneys to encourage the train. : de en
  • FR49615E - Fastening device for non-slip elements of road vehicle wheel tires : en fr
  • GB505878A - Improvements relating to radio receiving systems : en
  • GB505843A - Sewing machine : en
  • CA381467A - Liquid applying apparatus : en fr
  • US2158288A - Thermally controlled switch : en
  • CH204567A - Machine for shaping a flat ribbon material. : en fr
  • CA381392A - Protein derivative : en fr
  • CH204670A - Safety device on pressure medium brakes on trailer vehicles. : de en
  • CH204494A - Floor cleaning device with motor drive and weight. : de en
  • US2158662A - Secret telephony : en
  • US2158522A - Fuel burner : en
  • CH204508A - Iron. : de en
  • US2158417A - Closing and checking unit : en
  • CA381440A - Cellulose pulp and paper : en fr
  • CH204763A - Process for the preparation of a new therapeutically effective amidine. : de en
  • US2158136A - Electric power system : en
  • CH204625A - Iron core coil with adjustment capacitor designed as a variable capacitor. : de en
  • CH204716A - Process for the production of a plastic. : de en
  • USD114831S - Design for a casing for door closing : en
  • AU398738A - Improved method of manufacturing moulded rubber heels or rubber sheetlike material : en
  • DE675866C - Process for the production of organic fertilizers from fruit trees : de en
  • IE15766L - Hydrogen peroxide : en
  • US2158729A - Straw bundler : en
  • US2158753A - Earthquake actuated shut-off valve : en
  • AU107322B2 - Improvements in wool presses : en
  • US2158519A - Production of aromatic aldehydes : en
  • AU323138A - Manufacture of compounds containing active methylene-groups : en
  • CA381379A - Safety razor : en fr
  • CA381390A - Explosive composition : en fr
  • FR841348A - Improvements to distributors used for spreading gravel on roads : en fr
  • FR49623E - Improvements to control circuits and in particular to t.s.f. tuning circuits. : en fr
  • GB505752A - Improved process and apparatus for purifying, separating and concentrating colloidaldispersions : en
  • FR841354A - electrode for heating metal parts : en fr
  • GB505712A - Upholstery spring insertion for armchairs, couches, mattresses, cushions or the like : en
  • US2158277A - Shears : en
  • US2158615A - Fountain pen : en
  • US2158698A - Sterilizer : en
  • US2158945A - Telephone system : en
  • DE675770C - Field irrigation : de en
  • US2158947A - Trot line jig : en
  • CA381349A - Overhead door : en fr
  • DE675865C - Device for riveting or the like. : de en
  • US2158933A - Rotary compressor : en
  • CH204769A - Process for the preparation of a new ester of oestron. : de en
  • CH204668A - Container fitted with a sealing cap. : en fr
  • US2158478A - Pressure relief valve : en
  • US2158144A - Machine for cutting, folding, and pressing labels : en
  • US2158426A - Wheeled acrobatic figure toy : en
  • AU107358B2 - Improvements relating to 'electric switches employing other conducting liquid : en
  • US2158321A - Ore pulverizer : en
  • AU107329B2 - Improvements in or relating to interelectrode neutralization infrequency converters inthe shortwave band ofa superheterodyne receiver : en
  • FR841275A - Devices for modifying polyphase currents using elements with asymmetric conductivity, from a single-phase source : en fr
  • US2158792A - Header feed evaporator : en
  • US2158943A - Blast furnace construction : en
  • DE675841C - Process for the production of hollow bodies : de en
  • US2158292A - Manifolding book : en
  • US2158665A - Electron discharge device : en
  • US2158859A - Electric protective system and apparatus : en
  • USD114861S - Design fob a dress : en
  • GB505596A - Improvements in liquid fuels preferably for internal combustion engines : en
  • GB505612A - A process for the manufacture of a product for improving the baking qualities of flour and meal of cereals : en
  • CH204726A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • FR49644E - Process for spinning viscose : en fr
  • FR841443A - Protection device for automatic multi-spindle revolvers : en fr
  • US2158241A - Insecticide and process of making the same : en
  • US2158423A - Method of and apparatus for grinding toothed wheels : en
  • USD114847S - Design for a handbag : en
  • US2158256A - Crate : en
  • US2158609A - Retainer wire for thread guides : en
  • GB505977A - Electric hot water producer : en
  • US2158166A - Container sealing method : en
  • US2158740A - Toy : en
  • CH204772A - Process for the preparation of a new aliphatic-aromatic substituted ester of estradiol. : de en
  • FR841338A - Improved stretching device for feeding into the register an appendix intended to be inserted in a printing press : en fr
  • US2158240A - Compost grinder : en
  • US2158050A - Motor fuel : en
  • US2158733A - Electrical heating mechanism : en
  • CH204562A - Device for adjustable setting of the welding current strength in welding machines. : de en
  • DE675827C - Steam locomotive, especially articulated locomotive : de en
  • DE675833C - Hourglass-like timer : de en
  • US2158617A - Evacuating economizer for clothes pressing machines : en
  • US2158660A - Stereoscopic photography : en
  • US2158429A - Hand brake holding mechanism : en
  • FR49647E - Condensation products and their preparation process : en fr
  • FR841289A - Electrometric measuring device with compensation for the effects of temperature, preferably used for measuring rhoh : en fr
  • US2158592A - Clothespin : en
  • FR841331A - Advanced training in the construction of shielded type electrical substations and panels : en fr
  • GB505866A - Process and machine for bending bars, section iron, pipes and like bodies : en
  • US2158388A - Surge tank : en
  • US2158437A - Combination fan and limit switch structure : en
  • US2158638A - Fuse construction : en
  • US2158944A - Ink fountain typing machine : en
  • GB505936A - An improved fixing means for the glass panels of display cabinets or the like : en
  • GB505943A - Horizontal heated or cooled oil jacketed tanks : en
  • FR49636E - Device for reduction and containment of clavicle fractures : en fr
  • FR841290A - Induction oven without iron : en fr
  • GB505828A - Improvements in sanitary closet seats : en
  • GB505905A - Improvements in gun sights which compensate for relative motion between gun and target : en
  • US2158727A - Process for separating handysets and piles and apparatus therefor : en
  • AU316538A - Improvements in heavy alloys : en
  • US2158109A - Gyratory compressor : en
  • US2158541A - Corn cutter : en
  • GB505903A - Improvements in or relating to moulding apparatus for tyres : en
  • GB505907A - An improvement in or relating to the supplying of weft to looms using a continuous weft supply : en
  • CA381422A - Titanium sulphate solution purification : en fr
  • CH204691A - Process for the preparation of 4-methyl-5-oxyethylthiazole. : de en
  • CH204746A - Process for the preparation of an imidazole dihydride (4,5) substituted in the 2-position. : de en
  • GB505988A - Improvements in bundling machines : en
  • GB506042A - Improvements in the construction of cabinets for loud speakers : en
  • CA381441A - Tobacco curing apparatus : en fr
  • USD114754S - Design fob a coat : en
  • GB505778A - Improvements in or relating to three-phase transformers and three-phase choking coils : en
  • US2158236A - Portable camp stove : en
  • US2158562A - Sewing machine : en
  • US2158757A - Coupling : en
  • US2158449A - Warning signal : en
  • FR841403A - Process for making gold and metals of the platinum group, in particular platinum, soluble : en fr
  • CA381384A - Brake rigging : en fr
  • CH204478A - Process for filling emulsions of bituminous materials. : en fr
  • GB505879A - Improvements in or relating to methods for reconditioning detachable drill bits : en
  • GB505818A - Improvements relating to bottle and other like filling machines : en
  • US2158069A - Control device for can making machinery : en
  • GB505921A - Improvements in weft fork operating mechanisms for looms : en
  • US2158410A - Method and apparatus for the recovery of metal from a liquid : en
  • GB505881A - Improvements in reinforced water-cooled walls or jackets for furnaces or ovens of different kinds : en
  • GB505848A - Improvements relating to electric flash welding machines : en
  • DE675868C - Adjustable transformer with two iron cores : de en
  • FR841286A - Internal combustion engine : en fr
  • GR8202B - INDEPENDENT PORTABLE DEVICE AT THE SAME TIME TRANSMISSION TELEPHONE AND TO SECOND PERSON OR THE EQUIPMENT OF THE HEADPHONE OF THE TELEPHONE. : el en
  • GB505880A - Change-speed gearing for motor vehicles and the like : en
  • GB505886A - Rim for pneumatic tyred wheel and process for its manufacture : en
  • CH204604A - Component for heat exchangers. : de en
  • US2158549A - Container : en
  • DE675800C - Device for generating physical foam, in particular for fire-extinguishing purposes : de en
  • DE675822C - Ink feed device for two or more drum stencil printer : de en
  • US2158636A - Orchard heater : en
  • US2158578A - Folding box : en
  • US2158656A - Method for making bus ducts : en
  • DE675699C - Socket pipe connection with pressure ring : de en
  • US2158101A - Stock quotation system : en
  • CH204583A - Bowden cable with a cable that can be dismantled into two parts and a guide tube that can be dismantled into two parts. : de en
  • US2158676A - Wing flap mechanism : en
  • DE1464817U - Gas fuses : de en
  • DE675795C - Multi-plate clutch controlled by pressure oil, especially for ship reversing gear : de en
  • US2158908A - Veneered product : en
  • GB505807A - Refrigerating apparatus for a bottle vending machine : en
  • GB505696A - Improvements in means for effecting discharge of containers for fire extinguishing fluids : en
  • US2158797A - Garment : en
  • US2158371A - Parasiticidal control : en
  • US2158380A - Carburetor air intake system : en
  • US2158936A - Volume indicator : en
  • GB506255A - Improvements in and relating to control circuits for vapour arc converters : en
  • US2158610A - Tobacco product and method of obtaining the same : en
  • USD114813S - Design fob a dress : en
  • US2158329A - Whip stock : en
  • US2158098A - Method for synthesizing allantoin : en
  • US2158600A - Heating unit and method of making the same : en
  • US2158373A - Spring hook : en
  • US2158527A - Device for placement of nipples and similar devices upon bottles : en
  • FR841431A - Indigo dyeing process : en fr
  • FR841415A - Dismountable and transformable constructions in wood or other suitable material : en fr
  • CA381429A - Boot : en fr
  • CH204520A - Process for the preparation of a capillary active agent. : de en
  • US2158552A - Slip-sheet apparatus : en
  • US2158825A - Photographic emulsion : en
  • DK56182C - Securing for holding doors or hatches in the open or closed position. : da en
  • CA381420A - Absorption refrigerating apparatus : en fr
  • USD114781S - Design tor a flower basket : en
  • GB505604A - Improvements in or relating to electric switchgear employing liquid-insulated circuit-breakers : en
  • GB505829A - Improvements in and connected with the automatic control of charging devices for internal combustion engines : en
  • GB506001A - Improvements in envelope making machines : en
  • FR841402A - Method of propulsion within a fluid, and devices for implementing this method : en fr
  • FR841361A - Improvements to the fixing of cardboard profiles by metal supports : en fr
  • CA381452A - Egg container : en fr
  • FR49645E - Process for manufacturing ethylene polymers : en fr
  • GB505742A - A process for the production of pure naphthalene : en
  • CA381454A - Refrigerator car floor rack stringer : en fr
  • FR841420A - Device for electrolytic polishing of light metals by anodic treatment : en fr