• US2458170A - Continuous fat splitting : en
  • US2458258A - Suction-type street sweeper : en
  • US2457954A - Pneumatic thread holder for weft replenishing looms : en
  • GB615573A - Improved method of making a glass body integral with a tubular glass member : en
  • US2458020A - Combined cosmetic holder and mirror or the like : en
  • CA453852A - Sewage clarifier : en fr
  • CA453911A - Connecting means : en fr
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  • US2458296A - Fuse plug of regenerable type : en
  • US2458379A - Braiding machine : en
  • USD152267S - Front panel for a television receiver or the like : en
  • US2457824A - Gun mount with foldable firing control frame : en
  • US2457848A - Floor and wall covering : en
  • US2457974A - Pulse type telegraph receiver : en
  • US2458155A - Mold for molding concrete structural units : en
  • GB615253A - Abrasive articles and method of making the same : en
  • US2458017A - 1-phenylethylidenemalononitrile : en
  • US2458413A - Wire connector : en
  • USD152254S - Design for a holder for eyeglasses : en
  • US2457807A - Autographic register : en
  • US2458260A - Windshield wiper mechanism : en
  • USD152275S - Design for an electrical cleat receptacle body : en
  • US2458491A - Wheel cover : en
  • GB615136A - A process for the manufacture of amino-substituted tertiary carbinols : en
  • DK68299C - Device for plows. : da en
  • GB615224A - Improvements in or relating to an automatic precision balance, with means for indicating and recording weight and price : en
  • GB615324A - Improvements in or relating to the operation of internal combustion engines having airless injection of fuel : en
  • GB615334A - Covering material for walls and other surfaces and process for the manufacture of said material : en
  • CA453749A - Rail leveller : en fr
  • CA453832A - Nitroso derivatives of aryl guanidine : en fr
  • US2457945A - Self-locking nut means and the like : en
  • GB615303A - Improvements in or relating to building constructions : en
  • GB615499A - Improvements in clock or dial gauges : en
  • GB615523A - Improvements in method for the preparation of 1:3-diketones : en
  • US2458424A - Automatic speed control for internal-combustion engines : en
  • USD152240S - Design fob a jewelry finding : en
  • FR941226A - Improvements in the construction of vacuum tube filaments : en fr
  • FR941175A - Improvements to the treatment and washing installation of materials in grains or pieces, in particular coals and the like : en fr
  • GB615390A - Improvements in dental cements : en
  • US2458232A - Soldering flux : en
  • USD152305S - Outdoor advertising bulletin board : en
  • US2458118A - Adjustable strainer : en
  • USRE23069E - Electrolytic polishing of stainless : en
  • US2458295A - Production of vanillic acid : en
  • FR941110A - Improvements to devices for installing electrical conduits under protective tubes : en fr
  • USD152299S - Design for a jacket : en
  • USD152309S - Design for an over-the-shoe boot : en
  • FR941237A - Improvements made and relating to the emptying, protected from dust, of dust vacuum bags : en fr
  • GB615401A - Improvements in or relating to locking means for hydraulic jacks and like devices : en
  • GB615564A - An improved manufacture of lubricating greases : en
  • GB615479A - Method of conducting catalytic conversions : en
  • US2457831A - Electricity conductor unit : en
  • DK68304C - Lubrication device for gears between a rotating shaft and reciprocating parts. : da en
  • US2457911A - Deviation correction for cathoderay beams : en
  • USD152273S - Design for a trailer attachment for a power lawn mower or the like : en
  • US2458217A - Drum sander : en
  • US2458485A - Process of preparing 4-substituted-ar-tetrahydro-2-naphthols : en
  • US2457925A - Aerial cable cutout : en
  • US2458059A - Electrical seaming apparatus : en
  • US2458146A - Control means for aircraft : en
  • GB615232A - Improvements in or relating to sinks : en
  • GB615134A - Improvements in or relating to toy buildings : en
  • GB615367A - Improvements in control systems for x-ray tubes : en
  • US2458311A - Self-unlocking lockup relay : en
  • US2457805A - Aliphatic esters of 2,4,5-trichlorophenol : en
  • FR941197A - Improvements relating to plate clutches : en fr
  • GB615186A - Improvements in or relating to hand bags : en
  • GB615212A - Improvements in and connected with coal tar : en
  • GB615526A - Improvements in or relating to extruding machines : en
  • FR941281A - Laces and their manufacturing process : en fr
  • FR941330A - Improvements to safety or restraint devices for seats on aircraft and other vehicles : en fr
  • US2458267A - Rotating cylinder type of bean cleaning machines : en
  • USD152252S - Jewelry setting or similar article : en
  • US2458160A - Punch machine : en
  • US2458245A - Underwing fueling system : en
  • CA453864A - Windshield wiper mechanism : en fr
  • FR941165A - Fork for handling products in the form of bulbs, tubers or large grains : en fr
  • FR941300A - Distributor box : en fr
  • FR941294A - Jump bar for punching machines : en fr
  • GB615284A - Built-up laminar-flow aerofoil : en
  • GB615541A - Anti-sweat compositions : en
  • GB615176A - Improvements in or relating to target following apparatus for use in fire control ofanti-aircraft guns : en
  • CA453826A - Impression composition : en fr
  • US2457971A - Silica sol : en
  • US2458355A - Copolymers of 2-acylamino-1, 3-butadienes and vinyl compounds : en
  • GB615534A - Improvements in centrifugal valves for hydraulically controlled clutches : en
  • USD152269S - Design foe a jewelky pin : en
  • CA453766A - Stretching device for the heel wire of ski-ties : en fr
  • CA453856A - Engine bearing construction : en fr
  • DK68321C - Means for application to walls and floors. : da en
  • US2458224A - Machine for pneumatically separating potatoes from rocks : en
  • US2458454A - Electronic control apparatus : en
  • FR941331A - Telephone circuits : en fr
  • GB615492A - Improvements in or relating to machines for grinding the ends of coiled springs : en
  • GB615500A - Improvements relating to windscreen wipers : en
  • US2458149A - Rotor construction for turbines : en
  • US2457821A - Tractor power plant and drive wheel unit : en
  • US2457811A - Work holding device : en
  • US2458203A - Fused plug connector : en
  • US2458227A - Device for artificially generating speech sounds by electrical means : en
  • US2458377A - Light fuel injector : en
  • DK68266C - Shirt with buttonhole. : da en
  • CA453821A - Control system : en fr
  • US2458370A - Appliance for use in repairing automobile bodies : en
  • DK68291C - Floorboard. : da en
  • GB615112A - Improvements in or relating to high lift means for aircraft : en
  • FR941309A - Signaling device : en fr
  • GB615164A - Adjustable hone : en
  • GB615159A - New or improved toy : en
  • US2458236A - Continuous pouring furnace : en
  • US2458252A - Securing device : en
  • GB615223A - Improvements relating to the manufacturing, in a mould, of polymerised products : en
  • GB615466A - An improved cartridge magazine for automatic firearms : en
  • FR941211A - Snap-action regulating valve : en fr
  • US2457852A - Reed structure : en
  • US2458209A - Coupling : en
  • GB615147A - Improvements in and relating to draining appliances for kitchen use : en
  • US2457968A - Automatic pacing system : en
  • GB615188A - Lubricating grease compositions : en
  • GB615213A - Process for treating acid sludge : en
  • GB615528A - Improvements in or relating to knitting machines and to a method of knitting : en
  • US2457942A - Gear construction and arrangement : en
  • US2458280A - Radio direction finder : en
  • US2458324A - Ventilator : en
  • FR941270A - Concentric conductor electric cables : en fr
  • GB615220A - Improvements in or relating to legs or supports for furniture : en
  • GB615520A - Improvements in or relating to polymeric materials : en
  • GB615375A - Improvements in or relating to bottles : en
  • GB615463A - Fastening devices for strap ends or for securing articles to garment pockets : en
  • US2457904A - Buck rake winch clutch and brake control : en
  • US2457981A - Cathode beam tube : en
  • GB615292A - An improved helicopter : en
  • GB615522A - Improvements in acylations with enol esters : en
  • GB615277A - Improved device for nailing on the heels from the interior of shoes and the like : en
  • FR941343A - Multi-station communication system : en fr
  • US2458320A - Flow tube : en
  • GB615571A - Production of unsaturated alcohols : en
  • US2458436A - Split-phase induction motor : en
  • FR941269A - Phase shifting systems : en fr
  • FR941246A - Improvements to telephone sets : en fr
  • GB615527A - Improvements in or relating to vehicle lamps : en
  • DK68280C - Socket for a tubular electric lamp. : da en
  • GB615465A - Device for use in manually winding a skein of yarn into a ball : en
  • US2458249A - Adjustable wheel and axle assembly : en
  • US2457906A - Beer faucet : en
  • US2458027A - Fountain brush : en
  • USD152248S - Design fob a television sceeen protector : en
  • GB615423A - Improvements in or relating to electric pick-ups for sound reproducing apparatus : en
  • US2457931A - Clamp : en
  • US2457879A - Protecting device for transformers : en
  • US2458199A - Telephone transmitter support and silencer : en
  • US2458486A - Fusible and readily removable protective coating for metal articles, comprising ethyl cellulose and mineral oil : en
  • CA453903A - Fish beheading machine : en fr
  • US2458262A - Relay selector circuit arranged to simultaneously test a selected group of trunks : en
  • GB615538A - Improvements relating to combined weighing and counting scales : en
  • CA453794A - Hinge : en fr
  • FR941202A - High frequency vacuum oscillator tubes : en fr
  • GB615558A - Improvements in means for automatic control of temperature in gas-heated ovens and like gas-heated receptacles : en
  • CA453757A - Mechanical shovel, crane, loader and the like : en fr
  • US2458475A - Rocket device : en
  • CA453788A - Lubricating system : en fr
  • CA453829A - Manufacture of alginate threads : en fr
  • US2458289A - Rock drill : en
  • GR11904B - HAND MIRROR. : el en
  • US2458394A - Film processing unit : en
  • DK68277C - Spinning apparatus for manufacturing a coil on an electrical conductor and method for starting the spinning apparatus. : da en
  • GB615184A - Electron discharge apparatus : en
  • US2458038A - Acoustical apparatus : en
  • GB615608A - Improvements in screw vices : en
  • US2457861A - Method of manufacturing metal products : en
  • US2458333A - Method and apparatus for cleansing water-cooling systems and the like : en
  • CA453777A - Receptacle cover : en fr
  • CA453908A - Shaft seal : en fr
  • FR941332A - Substituted dicyandiamides : en fr
  • US2458113A - Freezing and dehydrating tray : en
  • US2458246A - Container : en
  • US2458014A - Thermocouple safety pilot switch : en
  • US2458154A - Backup light switch : en
  • GB615405A - Improvements in the manufacture of moulded products : en
  • US2458079A - Rigidifying means for flexible endless tracks : en
  • US2457898A - Auxiliary handle : en
  • US2458207A - Method of manufacturing acetyl peroxide : en
  • GB615364A - Improvements relating to windscreen wipers : en
  • GB615476A - Improvements in and relating to the production of mixed fertilizers : en
  • GR11897B - CYLINDRICAL ADVERTISING BOARD. : el en
  • GB615359A - Improvements in quick-action fasteners : en
  • FR941217A - Broken thread sensor for textile machines : en fr
  • FR941168A - Clip for attaching jewelry or the like : en fr
  • FR941183A - Auxiliary device for making permanent waves : en fr
  • GB615403A - Improved method of preparing a luminescent mixture : en
  • US2457883A - Detachable wire letter with fabric covering : en
  • US2458071A - Adjustable inductor : en
  • GB615601A - Improvements relating to mudguards for attachment to heels of shoes and the like : en
  • FR941228A - Construction process and prefabricated elements for implementing this process : en fr
  • US2458339A - Machine adapted for typing chinese ideographs : en
  • US2458077A - Conveyer : en
  • US2457827A - One-revolution latch-operated clutch : en
  • US2458442A - Fog inhibitor for photographic emulsions : en
  • FR941265A - Color photography process and equipment : en fr
  • US2458157A - Shock absorber : en
  • US2458200A - Electric lawn mower and hedge clipper : en
  • US2458211A - Valve : en
  • FR940890A - : fr
  • GB615157A - Improvements relating to variable delivery pumps : en
  • GB615228A - Risers for bubble-cap trays : en
  • GB615561A - Improvements in and relating to fountain pens : en
  • US2458284A - Cooling-water supply apparatus for compressors : en
  • US2458473A - Detonator : en
  • GB615145A - Improved device, for shoe and like pegging machines, for cutting off the tips of thedriven pegs : en
  • GB615135A - Improvements in gas heated water boilers : en
  • GB615437A - Improvements in and relating to portable workshops and the like : en
  • DK68306C - Hammer percussion without edfaldsrist. : da en
  • GB615219A - Improvements relating to rotary power conversion machines : en
  • GB615169A - Bedplates for beaters for paper-making : en
  • GB615366A - Improvements in machines for the delineation of patterns on a fabric web : en
  • US2458084A - Heat-treating system : en
  • US2458316A - Taxi hailing flag : en
  • US2457892A - Pulse testing equipment : en
  • US2458469A - Method for deironing chromium and manganese ores : en
  • US2457907A - Clutch and brake device : en
  • US2458461A - Combination door lock and valve for steam cookers : en
  • US2458489A - Leash for animals : en
  • FR941134A - Device for adjusting ship propellers : en fr
  • GB615370A - Improvements in or relating to the production of poly-pentaerythritols : en
  • GB615605A - Improvements in or relating to the manufacture of hollow balls made of celluloid and the like plastic material : en
  • FR941261A - Construction process for floor and brick slabs intended for this process : en fr
  • GB615265A - Improvements in or relating to lift trucks : en
  • GB615254A - Improvements relating to the reclaiming of waste wax paper : en
  • GB615311A - Apparatus for shearing, bending and otherwise operating upon wire or strip material : en
  • GB615488A - Improvements in or relating to the preparation of novolak resins : en
  • US2457985A - Closure fastener : en
  • GB615484A - Improvements in or relating to methods of liquid casting : en
  • GB615425A - Improvements in method of contacting fluids one with another : en
  • US2458008A - Can-body maker : en
  • GB615587A - Improvements in or relating to grinding and pulverisation : en
  • GB615175A - Improvements in variable speed power transmission : en
  • GB615271A - Improvements in or relating to electrical signalling systems : en
  • GB615443A - Improvements in and relating to the joining of or joints for woodwork : en
  • GB615211A - Process for quickly manufacturing hollow metallic or non-metallic bodies, means for carrying out this process and hollow bodies resulting therefrom : en
  • GB615229A - Improvements in or relating to the production of synthetic rubber : en
  • GB615497A - Improvements in, or relating to, amusement machines or devices : en
  • US2458451A - Method of forming nonthermoplastic synthetic resin films : en
  • GB615225A - Improvements connected with screw thread taps : en
  • US2457871A - Adjustable louver shutter or blind : en
  • US2458462A - Xylophone : en
  • GB615451A - Improvements relating to the control of aircraft : en
  • FR941320A - Low consumption electric warming oven : en fr
  • GB615501A - Improvements in or relating to men's underpants or like garments : en
  • GB615264A - Improved process for the treatment of hydrophilic cellulose textiles : en
  • GB615361A - Brakes for bicycles and similar vehicles : en
  • GB615539A - Improvements in shaft positioning apparatus : en
  • FR941286A - Magnetostrictive Bilame : en fr
  • GB615192A - Improvements relating to windscreen wipers : en
  • US2458381A - Photographic print straightener : en
  • US2458011A - Deep-neck high-flux motor : en
  • US2457885A - Trailer hitch : en
  • GB615610A - An improved method of and apparatus for sealing wrappers : en
  • GB615380A - Improvements in continuously variable speed-ratio transmission mechanism : en
  • FR941170A - High pressure measuring instrument : en fr
  • US2458269A - Reproducing camera : en
  • GB615190A - Manufacture of condensation products having a tanning action : en
  • GB615532A - Improvements in and relating to textile spinning and twister spindles : en
  • US2458099A - Ionization chamber : en
  • USD152311S - Design fob a photographic film de- veloping unit or similar article : en
  • DK68302C - Holder for milk jugs and similar containers. : da en
  • FR941133A - Improvements to refrigeration devices for beverage dispensing devices : en fr
  • GB615426A - Lighters : en
  • US2457822A - Milk container : en
  • US2458308A - Colostomy receptor : en
  • US2458054A - Draftman's device : en
  • CA453882A - Bladed stator assembly primarily for axial flow compressors : en fr
  • FR941324A - Boiler : en fr
  • GB615419A - Nitramines and their preparation : en
  • DK68275C - Tunable electrical oscillating circuit with a shunt circuit for periodically changing the resonant frequency with a constant frequency value constant over the entire tuning range alternately in one and the other direction. : da en
  • FR941258A - Hot water production boiler, especially for central heating systems : en fr
  • GB615238A - Improvements in or relating to electrical heaters and method of making the same : en
  • US2458049A - Treatment of hydrocarbons containing neutral organic sulfate : en
  • GB615297A - Improvements in or relating to rest-bars or like supports for perambulators and likevehicles : en
  • FR941176A - Improvements to the treatment of masses of material in grains or pieces, in particular coals : en fr
  • FR941227A - Direction-finding and similar devices : en fr
  • FR941167A - Shaving device with rotating cutting device : en fr
  • FR941340A - Rectilinear hosiery loom with thread retainer and severing device : en fr
  • GB615118A - Improvements in electromagnetic interrupters : en
  • DK68283C - Clamp for attaching pacifiers to milk bottles. : da en
  • USD152263S - Design for a bridge crane : en
  • CA453910A - Hydraulic weighing scale : en fr
  • GB615294A - Improvements in or relating to floor cramps : en
  • FR941315A - Switching device for control converters : en fr
  • GB615422A - Improvements in or relating to stylus holders and pick-ups for sound reproducing apparatus : en
  • GB615519A - Improvements in or relating to methods of conditioning vegetable bast fibres for spinning : en
  • US2458161A - System for preventing film fire in motion-picture projectors : en
  • US2458331A - Flowmeter : en
  • US2458276A - Electric conduit connector : en
  • DK68315C - Apparatus for machines for applying an adhesive to footwear parts, in particular of a thin, resilient material. : da en
  • GB615205A - Improvements in and relating to the manufacture of dyes and photographic emulsions sensitised therewith : en
  • CA453773A - Mechanical pencil : en fr
  • CA453813A - Automatic reclosing circuit breaker system : en fr
  • US2457876A - Selecting control device : en
  • US2458196A - Apparatus for determining the cutting and chipping resistance of plastic and rubberlike materials : en
  • GB615414A - Viscosimeter : en
  • GB615216A - Improvements in or relating to device for interconnecting wave guides : en
  • CA453754A - Brassiere : en fr
  • GB615127A - Improvements in or relating to agricultural machines : en
  • GB615148A - Improvements in or relating to sprocket wheels : en
  • GB615143A - Improvements in variable speed power transmissions : en
  • FR941249A - Process for the biological production of riboflavin by means of ashbya gossypii and produced as a result : en fr
  • FR941131A - Compositions preventing corrosion : en fr
  • FR941317A - Improvements in the manufacture of glass articles with an electrically conductive surface : en fr
  • US2458085A - Plunger fed dropper : en
  • GB615332A - Improvements in or relating to plasticised resins : en
  • US2458222A - Manufacture of artificial aqueous dispersions of natural and synthetic rubbers, rubber substitutes, and rubberlike substances : en
  • GB615217A - Improvements in and relating to the driving of blowers for compressed combustible gases : en
  • GB615555A - Adjustment of the magnification factor q of a radio-frequency inductor : en
  • US2457813A - Lubricator and mixing device : en
  • US2457846A - Slide rail support for inductor furnace workpieces : en
  • US2458032A - Method of cementing methyl methacrylate plastics : en
  • US2458349A - Mount of cellular material having depressed display area : en
  • US2458484A - Process of preparing epoxy derivatives from unsaturated aliphatic compounds : en
  • CA453789A - Shrinkproofing and feltproofing of keratinous textile fibres : en fr
  • US2458135A - Cigarette humidor : en
  • US2458480A - By-product coke oven : en
  • US2457851A - Device for use in connection with defrosting refrigerators : en
  • US2458024A - Expansion joint : en
  • FR941171A - High voltage overpressure magneto ignition system for internal combustion engine : en fr
  • GB615318A - Improvements in or relating to low drag airfoils : en
  • GB615269A - Apparatus for the continuous annealing of metal bands : en
  • GB615583A - Improvements relating to the speed regulation of alternators driven by d.c. motors : en
  • USD152303S - Design for a facsimile recorder : en
  • US2457979A - Friction shock absorbing mechanism for railway draft appliances : en
  • US2458287A - Snubber plate : en
  • DK68314C - Padlock. : da en
  • FR941190A - Aircraft : en fr
  • USD152271S - Design fob a brooch ob similar abticle : en
  • US2457970A - Process for producing microspherical silica gels : en
  • CA453924A - Wind screen wiper : en fr
  • US2458368A - Television receiver cabinet and cathode-ray tube mounting : en
  • US2458202A - Apparatus for forming composite bearings : en
  • US2457921A - Automatic cap pistol : en
  • USD152307S - Design for a chain tie clip : en
  • DK68296C - Drawing machine for making affine transformations. : da en
  • US2458410A - Process of casting : en
  • CA453905A - Balanced rotor : en fr
  • CA453868A - Map reading and dead reckoning trainer : en fr
  • US2457975A - Removing mercaptans : en
  • US2458402A - Automatic operator for elevator doors and hall doors : en
  • CA453807A - Protective means and system for electrical instrumentalities : en fr
  • US2458112A - Three-phase transformer construction : en
  • USD152282S - Design for a combined lamp and magndyier : en
  • USD152312S - Hot water plate : en
  • US2458488A - Magic trick : en
  • US2458013A - Selenium rectifier element and method of manufacturing same : en
  • US2458186A - Developing camera : en
  • US2458019A - Method and means for sterilizing toilet seats : en
  • US2457976A - Tractor hitch : en
  • GB615351A - Improvements in or relating to the stabilization of tannic acid precipitated hemolytic streptococcus toxins : en
  • DK68276C - Primary element with alkaline electrolyte and refresh of the electrolyte. : da en
  • CA453801A - Heat exchanger : en fr
  • USD152264S - Design for a range : en
  • US2457862A - Combustion heater with thermally controlled fuel supply : en
  • US2457962A - Agglomeration of powdered material : en
  • GB615438A - Preparation of solutions of calcium chlorate poor in chloride : en
  • FR941316A - Catalytic reaction process of organic compounds : en fr
  • GB615455A - Improvements in or relating to the process for the preparation of meso-amino acridines from diphenylamine-2-carboxylic acids : en
  • CA453805A - Flexible pocket receptacle : en fr
  • CA453896A - Oscillation generator : en fr
  • US2457843A - Flexible conductor for induction heating : en
  • US2458261A - Process and apparatus for effecting chemical reactions : en
  • US2458399A - Swivel mount : en
  • GB615218A - Improvements in and relating to photographic colour developers and photographic colour development : en
  • GB615510A - Improvements relating to yarn and analogous winding machines : en
  • US2458387A - Machine for compacting material in containers : en
  • FR941198A - Improvements to selenium rectifiers and manufacturing process : en fr
  • FR941238A - Process for polishing and shining metals and alloys : en fr
  • CA453917A - Magneto : en fr
  • FR941280A - Improvements in apparatus for driving or feeding sheets of paper to printing presses and other similar machines : en fr
  • GB615487A - Improvements in or relating to means for controlling the speed of aircraft or the rate of delivery of spray therefrom : en
  • GB615546A - Space heating plant : en
  • FR941132A - Barometric switch : en fr
  • FR941104A - Improvements made to staples or fasteners for dental uses : en fr
  • FR941234A - Improvements to zero detectors : en fr
  • DK68268C - Process for the production of fuel briquettes. : da en
  • GB615467A - Improvements in and relating to snap action mechanism : en
  • FR941241A - Improvements to film drive devices : en fr
  • GB615417A - Improvements in radio direction-finding systems : en
  • CA453843A - Swivel connection : en fr
  • US2457909A - Hydraulic chuck : en
  • GB615440A - Improvements relating to automatic yarn and analogous winding machines : en
  • IE17366L - Detachable diffuser for disinfecting etc : en
  • US2457938A - Ophthalmic mounting with concealed lens-carrying and noseguard-carrying arms : en
  • US2458097A - Electrical connection means : en
  • GB615244A - Improvements in and relating to mountings for pictures, photographs, mirrors and thelike : en
  • GB615459A - Improvements relating to valves and operating means therefor : en
  • GB615542A - An improved typewriter keyboard : en
  • GB615557A - Improvements in or relating to boxes, baskets, pillars and other walled structures and constructional elements therefor : en
  • US2458325A - Prime mover dynamo plant with speed governor : en
  • DK68293C - Building element, eg wall plate, yellow plate or door. : da en
  • US2458327A - Production of molded articles : en
  • US2458042A - Fuel feeding system for liquid fuel burners having means for disposing of fuel vapors : en
  • FR941288A - Observation hive : en fr
  • FR941212A - Method for the formation of a charge of fuel and water vapor in an explosive engine and apparatus for carrying out this method : en fr
  • USD152261S - Design for a bridge crane : en
  • DK68308C - Process for the production of pentosan - poor sulphite cellulose from wood. : da en
  • USD152265S - Design fob a railroader s cap : en
  • FR941184A - Exposure time adjustment mechanism for curtain shutter : en fr
  • GB615385A - Process for bleaching materials made of or containing polyvinyl derivatives : en
  • DK68281C - Apparatus for securing rectilinear strips of aluminum strip from a storage drum in electrolytic capacitor manufacturing plants. : da en
  • FR941308A - Improvements to electrical switch mechanisms : en fr
  • GB615356A - Improvements in smoothing, polishing or like machines : en
  • USD152243S - Design for a fishing lure : en
  • USD152250S - Design foe a glass plate for lighting fixtures : en
  • USPP818P - Mgustrum plant : en
  • GB615569A - Improvements in or relating to means or apparatus for displaying advertisements and the like, for lighting, and for other uses in illumination : en
  • FR941117A - Manufacturing process of a polarizing material : en fr
  • FR941233A - Measuring devices : en fr
  • GB615591A - An improved grinding wheel : en
  • US2458294A - Oil distributing system : en
  • GB615378A - A machine for skiving or cutting leather or the like : en
  • US2458283A - Impulse generator : en
  • GB615508A - Improvements relating to yarn and analogous winding machines : en
  • GB615340A - Improvements in fishing reels : en
  • GB615177A - Improvements in or relating to cathode ray tube apparatus : en
  • FR941298A - Artificial polyesters : en fr
  • US2458336A - Field magnet unit for flywheel magnetos : en
  • US2458344A - Precision dial indicator mounting for machine tools : en
  • GB615119A - Improvements in and relating to domestic firegrates : en
  • FR941159A - Continuous dryer for textiles : en fr
  • US2458318A - Wire dispensing container : en
  • DK68305C - Reversing gear. : da en
  • US2458463A - Adjustable footrail : en
  • US2458142A - Electrode assembly for electron discharge devices : en
  • US2458074A - Building unit joint construction : en
  • USD152286S - Base exchange water treatment apparatus : en
  • US2458048A - Humidity control system : en
  • US2458225A - Electric heating unit : en
  • US2458056A - Electric switch : en
  • US2458386A - Compensating valve for fluid pressure systems : en
  • DK68309C - Device for lifting trolleys. : da en
  • GB615435A - Method of and means for the production of filter-tip cigarettes : en
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  • US2458392A - Air supply control for oil burners : en
  • GB615392A - Improvements in or relating to electric heaters for burning off paint and the like : en
  • CA453838A - Writing instrument : en fr
  • GB615125A - Dispersions of polymeric materials : en
  • FR941273A - Seed separating mechanism applicable, for example, to shoe-setting machines : en fr
  • GB615152A - Improvements in or relating to rotary cutter heads, particularly for woodworking machinery : en
  • US2458152A - Plastic rivet and method of making same : en
  • CA453764A - Self-synchronizing television system : en fr
  • CA453920A - Automatic freezing apparatus : en fr
  • GB615436A - Improvements in carburettors for internal combustion engines : en
  • US2458035A - Gravity liquid separator : en
  • US2458293A - Dust excluding device for carpeted stairs : en
  • US2457802A - Silencer and recoil reducer for firearms : en
  • USD152294S - Si eg el etal advertising display device for attachment to parking meters : en
  • GB615547A - Tool operating attachment : en
  • GB615336A - Improvements relating to mechanisms for controlling valves or the like : en
  • GB615468A - Improvements in cases for radio-receivers and other apparatus comprising a scale : en
  • GB615371A - Improvements in chairs for babies : en
  • GB615323A - Process for reducing the viscosity of or for liquefying mucus, and preparations for use therein : en
  • GB615464A - Means for damping transverse oscillations of high speed shafts : en
  • GB615498A - Improvements in and relating to bootmakers' sewing machines : en
  • GB615518A - Specific gravity indicator : en
  • US2458003A - Infant bathing device : en
  • US2458219A - Wheel lever : en
  • US2458281A - Bottle carrier : en
  • US2458309A - Suction cleaner : en
  • US2458395A - Swaging apparatus : en
  • CA453883A - Power amplifying mechanism with positional correspondence : en fr
  • USRE23070E - Clothes washer : en
  • GB615115A - Improvements relating to blasting cartridges : en
  • GB615383A - Improvements in and relating to sprayers : en
  • GB615544A - Improvements in or relating to electrical musical instruments : en
  • US2458254A - Can opener : en
  • US2458449A - Egg improving process : en
  • US2457934A - Air deflector : en
  • US2458124A - Synchronous frequency broadcasting : en
  • USD152235S - Design fob a bracelet or the like : en
  • US2457839A - Rocket : en
  • CA453816A - Electronic control for motors : en fr
  • FR941291A - Improvements to covering devices protecting against dust and similar foreign bodies : en fr
  • GB615406A - Improvements in and relating to electric motor control systems : en
  • GB615441A - Process for retting flax : en
  • CA453772A - Mechanical pencil : en fr
  • GB615384A - An improved mounting, more particularly for inspection lamps and the like : en
  • US2458108A - Graining apparatus : en
  • CA453915A - Lubricating oil : en fr
  • GB615168A - Improvements in or relating to door locks : en
  • GB615261A - Improvements in door and like locks : en
  • GB615506A - Improvements in or relating to wireless signalling apparatus : en
  • US2457849A - Stoker : en
  • US2457994A - Double-end-ventilated motor : en
  • USD152238S - Design for a jack-in-the-box display figure : en
  • US2457908A - Coupling : en
  • US2457932A - Salts of tocopheryl phosphoric : en
  • CA453828A - Manufacture of artificial textile fibres : en fr
  • GB615326A - Improvements in or relating to locking devices for double doors or the like : en
  • FR941222A - Improvements to engine control devices : en fr
  • GB615517A - Improvements in or relating to fuel metering systems : en
  • CA453877A - Humidity control apparatus : en fr
  • USD152247S - Tripod head for a camera or similar article : en
  • CA453885A - Radio system : en fr
  • CA453750A - Manufacture of sponge rubber : en fr
  • DK68325C - Drying system, comprising a cabinet and drying trays adapted for insertion in the cabinet. : da en
  • US2458310A - Direction finder : en
  • US2457866A - Condensation of alcohols : en
  • US2458081A - Pole supporting hinge : en
  • DK68301C - Fertilizer sprayer. : da en
  • GB615349A - Improvements in and relating to the production of zinc : en
  • FR941199A - Vacuum tube holders : en fr
  • US2458445A - Crane truck : en
  • US2458183A - Method of forming manifolds : en
  • US2458382A - Shock testing : en
  • GB615206A - Improvements in and relating to mechanism for forming sliders for slide fasteners : en
  • GB615259A - Dispensing apparatus for ointments, cleansers, pastes and like viscous materials : en
  • GB615483A - Improvements relating to microphones : en
  • GB615208A - Improvements in keyboard-controlled printing type machine : en
  • USD152276S - Design for a wall mounting fob a hand telephone : en
  • GB615525A - Method of cutting glass tubes : en
  • US2457910A - Flexible cable : en
  • US2458082A - Production of diolefins : en
  • US2458107A - Process for the preparation of carbon : en
  • US2458164A - Gravitometer : en
  • GB615183A - Improvements in scale reading devices for instruments for measuring angles : en
  • GB615167A - Refrigerated locker system : en
  • GB615554A - Thread winding apparatus : en
  • USD152289S - Link chain for a bracelet or similar article : en
  • FR941187A - Improvements to photographic papers : en fr
  • GB615255A - Improvements in reduction gear arrangements for the propeller drive of aircraft : en
  • GB615328A - Improvements in or relating to the production of metanilamidodiazines and intermediates thereof : en
  • FR941188A - Method for adjusting the isoelectric point of gelatin : en fr
  • GB615339A - Improvements in or relating to baking pans : en
  • US2458172A - Assembly of free-piston units : en
  • US2458288A - Piezoelectric crystal holder : en
  • US2458360A - Closure device : en
  • CA453842A - Coagulation of synthetic rubber latex : en fr
  • US2457880A - Drive means for compressors or the like : en
  • US2457977A - Continuous injection machine : en
  • US2458122A - Ice cleat unit for engagement on shoes : en
  • US2457870A - Three-phase electric resistance wire heating apparatus : en
  • US2458455A - Greenhouse construction : en
  • US2458299A - Cane harvesting machine : en
  • US2457937A - Fluid motor with emergency supply reservoir : en
  • GB615273A - A new or improved hydraulic power-transmission apparatus : en
  • US2457918A - Soap container : en
  • DK68316C - Method for inserting patterns of precious metal into ornaments of non-precious metal or similar hard material. : da en
  • FR941153A - Automatic control device for justification and withdrawal of printing lines : en fr
  • FR941136A - Improvement in fluxes used for melting magnesium alloys : en fr
  • GB615275A - Built-up laminar-flow aerofoil : en
  • GB615138A - Improvements relating to slicing machines : en
  • FR941125A - Method and apparatus for the manufacture of die-stamping tools and the like : en fr
  • GB615314A - Crinkled fabrics and methods of producing same : en
  • CA453787A - Circuit breaker control system : en fr
  • US2458022A - Altimeter : en
  • US2458421A - Unsaturated derivatives of ethylene diamine and polymers thereof : en
  • FR941267A - Cathodes for electronic discharge tubes : en fr
  • FR941337A - Method and apparatus for separating solids dispersed in a fluid : en fr
  • GB615439A - Improvements in automatic yarn and analogous winding machines : en
  • IE19401L - Voice-frequency signalling. : en
  • FR941260A - Flexible carrier with articulated elements for luggage, mail bags and other loads : en fr
  • GB615589A - New composite materials : en
  • GB615170A - Improvements in switch control mechanism for the circuits of cycle lamps : en
  • FR941210A - Method and apparatus for forming the fuel charge of an engine : en fr
  • GB615447A - Improvements in and relating to the production of photographic colour images : en
  • GB615285A - Improvements in or relating to cathode ray tubes : en
  • FR941247A - Device for fixing components to a load-bearing panel : en fr
  • GB615197A - Improvements relating to the manufacture of padlocks : en
  • FR941276A - Lubricating composition : en fr
  • GB615302A - Improvements in or relating to insect traps : en
  • GB615418A - Control apparatus for controlling the operation of drive means for placing a useful load in a desired position : en
  • DK68267C - Pleated screen for chandeliers or sconces. : da en
  • GB615309A - Improvements in or relating to milling machines : en
  • GB615381A - An improved process for the catalytic synthesis of hydrocarbons : en
  • GB615588A - A method of and means for clamping shoes and like footwear in bootmakers' machines : en
  • US2458125A - Auto glare shield : en
  • US2458338A - Dough folding machine : en
  • DK68303C - Elastic shaft coupling. : da en
  • FR941143A - Regulating and feeding device for internal combustion engine : en fr
  • GB615283A - Improvements relating to windscreen wipers : en
  • FR941194A - Textile processing : en fr
  • FR941327A - Signaling system : en fr
  • FR941348A - prefabricated elements for constructions and method of construction, from said prefabricated elements, of dwellings : en fr
  • US2457798A - Production of tin fluoborate : en
  • US2458129A - Letter scale and the like : en
  • GB615207A - Modulating system for radio and like signalling : en
  • GB615108A - Improvements in or relating to steering gear : en
  • GB615179A - Improvements in the renovation of films : en
  • US2458291A - Deviation correction for cathoderay beams : en
  • FR941302A - TV device : en fr
  • US2458242A - Vault wall construction : en
  • GB615549A - Improvements in or relating to shock absorption means : en
  • FR941105A - Improvement to reverse draft gasifiers : en fr
  • GB615325A - Improvements relating to synchronizing mechanisms : en
  • GB615410A - Apparatus for controlling the position of a useful load : en
  • GB615565A - Improvements in and relating to hydraulic ram pumps : en
  • US2458070A - Transmission mechanism for engine starters and the like : en
  • US2458126A - Tire tube tester : en
  • FR941244A - Process for the manufacture of a material suitable for obtaining an emitter coating on oxide cathodes, and for the manufacture of oxide cathodes : en fr
  • GB615493A - Improvements in rotary metal cutting tools : en
  • CA453815A - Control apparatus : en fr
  • US2458106A - Combination seal, drip tube, and dispensing unit : en
  • US2458307A - Electric circuit interrupter : en
  • US2458439A - Method of making photographic images on plastic : en
  • USD152278S - Combined telephone desk stand and handset : en
  • US2458340A - Method of electrically welding composite metal reel heads : en
  • CA453799A - Orientation system : en fr
  • GB615296A - Improvements in curtain rails and runners : en
  • GB615346A - Improvements in soda lime gas absorbents : en
  • US2457969A - Rotation device for rock drills : en
  • US2458137A - Toy typewriter : en
  • US2458096A - Water closet : en
  • US2458409A - Outlet box connector : en
  • CA453817A - Control system : en fr
  • CA453759A - Method and apparatus for the transmission of signals : en fr
  • DK68278C - High frequency cable with variable length and with parallel conductors. : da en
  • GB615113A - Improvements in or relating to cathode beam tubes : en
  • GB615584A - Improvements in machines for sticking heels on boots and shoes : en
  • CA453889A - Receiver and wave monitor : en fr
  • US2457825A - Acylating thiophene : en
  • US2457929A - Safety attachment for shotguns : en
  • US2458045A - Blower unit and assembly : en
  • US2458194A - Sliding shoe rack : en
  • US2458313A - Agitating device : en
  • CA453775A - Device for moistening tape and other articles or objects : en fr
  • US2458341A - Carton folding machine : en
  • US2457860A - Delay fuse compositions : en
  • USD152310S - Design for a photographic film de- veloping unit or similar article : en
  • US2457960A - Drill bit : en
  • US2457893A - Machine tool lubricating system : en
  • US2458028A - Operating mechanism for machine guns : en
  • FR941148A - Process for the production of homogeneous shoes in synthetic resin : en fr
  • GB615144A - A method of and mechanism for feeding work-pieces in double-soling machines : en
  • US2458158A - Magnetically shielded electrodynamic sound reproducer : en
  • US2458476A - Rocket launcher : en
  • US2458279A - Corset and wearing apparel of a similar character : en
  • US2457859A - Hypodermic syringe : en
  • GB615570A - An improved means for the measurement of surface curvature in at least one dimension : en
  • FR941323A - Manufacturing process for biguanide derivatives : en fr
  • FR941336A - Mono-azo dyes of the pyrazolone series free from sulfonic groups and process for their preparation : en fr
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  • GB615287A - Improved thread winding and advancing reels : en
  • FR941186A - Method and apparatus for enhancing vital activity : en fr
  • FR941279A - Concentric line refinements : en fr
  • GB615171A - Improvements in or relating to fire-screens : en
  • GB615210A - Manufacture of disazo-dyestuffs containing copper in complex union : en
  • GB615416A - Improvements in or relating to wireless signalling arrangements : en
  • GB615120A - Improvements in or relating to photographic materials : en
  • US2457844A - Induction heating coil provided with stress-relieving supports : en
  • FR941205A - Soap Making Improvements : en fr
  • GB615407A - Improvements relating to the moulding of concentrated table jellies and similar confections : en
  • GB615445A - Improvements in or relating to apparatus for testing springs : en
  • GB615491A - Improvements in or relating to baling machines : en
  • DK68288C - Device for curtain rods. : da en
  • FR941207A - Process for the preparation of penicillin : en fr
  • GR11903B - MANUAL PRINTING HOUSE OF BLIND WRITING. : el en
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  • FR941349A - Improvements to devices industrially using the power of points in the transmission of electric sparks : en fr
  • US2458459A - Transmission mechanism : en
  • GB615450A - Means for converting direct current into three-phase alternating current : en
  • GB615178A - Improvements in perforating machines : en
  • GB615400A - Improvements in or relating to hydraulic jacks and like devices : en
  • GB615598A - Improvements in or relating to route or destination indicators : en
  • GB615222A - Improvements in and relating to vernier or other graduated scales : en
  • GB615402A - Improvements in or relating to radio receivers : en
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  • CA453830A - Appliance for darning and repairing fabrics by hand : en fr
  • CA453923A - Shearing and cutting-off apparatus : en fr
  • FR941297A - Process for the preparation of mercapto-vinyl derivatives : en fr
  • CA453825A - Impression composition : en fr
  • CA453875A - Outboard motor unit : en fr
  • FR941293A - Electronic voltmeter : en fr
  • FR941230A - Blade magazine for safety razors : en fr
  • FR941141A - Antiseptic nasal filter : en fr
  • FR941209A - Process for manufacturing adsorbent bodies for filtering devices and filter bodies obtained by carrying out the process : en fr
  • GB615606A - New azo dyestuffs : en
  • GB615187A - Improvements relating to push-button electric circiut breakers : en
  • GB615574A - Improvements in high frequency resonator : en
  • GB615245A - Improvements in or relating to wheel suspension for vehicles : en
  • GB615345A - Improvements in soda lime gas absorbents : en
  • US2457828A - Marine fuel system : en
  • US2458229A - Variable-speed drive : en
  • FR941283A - Sound recording system on film : en fr
  • GB615536A - Improvements in frequency discriminators : en
  • FR941201A - Cathodic oscillograph protection device : en fr
  • GB615312A - Automatic telephone system : en
  • FR941318A - Glow switch refinements : en fr
  • GB615266A - Improvements in or relating to the heating of coffee beans : en
  • US2458401A - Light signal for railroads : en
  • US2458115A - Control of ion exchange systems : en
  • US2457857A - Top endgate : en
  • US2458153A - Safety device for electric plugs : en
  • US2458168A - Production of light-polarizing images : en
  • US2457815A - Propeller blade attachment : en
  • US2457983A - Pressure-tight grommet : en
  • US2458233A - Metal suitcase : en
  • US2458213A - Control grid for gas tubes : en
  • US2458120A - Corn buttering device : en
  • FR941268A - High-emissivity cathode production processes : en fr
  • FR941115A - Manufacturing process for artificial yarns and similar products : en fr
  • FR941338A - Hot air defroster and heater for automobiles : en fr
  • FR941350A - prefabricated elements for the construction of all vertical walls : en fr
  • GB615427A - Improvements in or relating to apparatus for indicating the proper actuation of railway switch points : en
  • GB615234A - Improvements in and relating to yarn and like winding methods and machines : en
  • GB615428A - Improvements in or relating to apparatus for indicating the proper actuation of railway switch points : en
  • GB615166A - Improvements in or relating to cartons for sweets, biscuits or the like : en
  • US2458016A - Integrating accelerometer : en
  • US2458212A - Parachute deploying means : en
  • US2458277A - Control of electric discharge lamps : en
  • FR941155A - Improvements to the covering of electric wires and similar elements : en fr
  • US2457896A - Staple setting die : en
  • US2457856A - Chemical retting process of producing bast fibers : en
  • FR941103A - Device for duplicating invoices, slips and the like, applicable to cash registers : en fr
  • FR941253A - Auto lock and unlock picking : en fr
  • GB615240A - Phenolic-alkyd resins : en
  • GB615537A - Improvements in or relating to microphone capsules : en
  • US2457823A - Production of pyrazolone azo dyes : en
  • US2458321A - Flow tube : en
  • GB615424A - Improvements in or relating to pick-ups for sound reproducing apparatus : en
  • US2457972A - Nursing bottle holder : en
  • FR941314A - Automatic switching relay : en fr
  • DK68272C - Process for the preparation of aromatic N-pentosides and their triacyl derivatives. : da en
  • FR941113A - Improvements in coagulation or separation of rubber from latex : en fr
  • DK68294C - Process for the production of artificial masses. : da en
  • GB615594A - An improved method of and apparatus for sealing wrappers : en
  • GB615342A - Improvements in the production of regenerated cellulose materials : en
  • GB615475A - Electric heating oven with liquid resistance : en
  • FR941142A - Liquid fuel supply device, for internal combustion engine : en fr
  • GB615180A - Improvements relating to cycle forks : en
  • GB615116A - Improvements in or relating to separable magazine for the record tape of sound recording and/or reproducing machines, and the improved recording and/or record-reproducing machine including the improved separable magazine : en
  • GB615387A - Method and apparatus for converting continuous filaments into spinnable slivers : en
  • FR941123A - Refractory composition : en fr
  • FR941243A - Self-braking and safety device adaptable to gearboxes : en fr
  • GB615132A - Improvements in and relating to the treatment of jute : en
  • US2458337A - Method of preparing gamma-dialkyl butyronitriles : en
  • US2457923A - Warp beam letoff for looms : en
  • GB615444A - Sharpening device for chain saws : en
  • GB615199A - Improvements in or relating to illuminable signs : en
  • GB615307A - Improvements in, and relating to, the manufacture of malleable iron : en
  • CA453748A - Hand tool for cleaning windshields : en fr
  • CA453846A - Support : en fr
  • US2458297A - Cement applicator for building tape : en
  • US2458123A - Solenoid actuated valve : en
  • US2458266A - Process for making ethylene oxide : en
  • US2458332A - Shelf hanger : en
  • US2457835A - Gun bolt : en
  • GB615577A - Improvements relating to the mounting of photographic or other films on record cards : en
  • US2458095A - Seat construction for chairs : en
  • US2457853A - Treatment of textiles and composition therefor : en
  • US2458185A - Seat : en
  • US2457803A - Spring clip fabric ammunition belt : en
  • US2458178A - Electrical musical instrument with split keyboard : en
  • US2458263A - String musical instrument with chord tuning mechanism : en
  • GB615514A - A method of producing butter by cooling cream of high concentration : en
  • CA453758A - Luminous plub bob : en fr
  • CA453760A - Internal combustion engine : en fr
  • US2458373A - Process for preparing nitriles of dicarboxylic acids : en
  • GB615165A - Improvements relating to friction lighters : en
  • GB615388A - Clothes hanger : en
  • US2458057A - Power transmission belt : en
  • US2458363A - Convertible furniture : en
  • USD152257S - Design for a pin receptacle : en
  • USD152288S - Design for a textile fabric : en
  • US2458069A - Lam mounting for looms : en
  • US2458490A - Wheel cover : en
  • FR941130A - Hinge or similar article and method of manufacture : en fr
  • GB615502A - Method of and means for the production of filter-tip cigarettes : en
  • FR941218A - Compound pigments and process for their production : en fr
  • GB615196A - Improvements in toys of the mechanical digger type : en
  • USD152297S - Design for a badge ob the like : en
  • US2458270A - Gas controller for well pumps : en
  • US2457993A - Spraying device : en
  • US2458378A - Process of separating metallic sodium from high molecular weight polymers made by polymerization of vinyl compounds : en
  • USD152255S - Design fok an overshoe : en
  • GB615151A - Hot box or bearing alarm or indicator : en
  • FR941166A - Control systems for variable voltage motors : en fr
  • GB615128A - Improvements in packings for stuffing boxes and like purposes : en
  • GB615556A - Improvements in printing process and apparatus : en
  • US2458466A - Camera adapter for stereopictures : en
  • FR941259A - Method and device for reducing background noise : en fr
  • FR941107A - Improvements to ignition devices for gas discharge tubes : en fr
  • FR941112A - Multiplex telephone system : en fr
  • US2457948A - Electron discharge device : en
  • US2458086A - Engine combustion regulating device : en
  • CA453770A - Sewing machine feed device : en fr
  • US2457899A - Vaned tire : en
  • US2458388A - Simulated football game : en
  • US2458015A - Eyeglass wiping device : en
  • GB615429A - Process for the polymerisation of unsaturated compounds : en
  • US2458102A - Silencing muffler : en
  • US2458218A - Filament assembly structure : en
  • CA453872A - Elevating mechanism for snow ploughs : en fr
  • CA453785A - Unit log handling equipment : en fr
  • US2458143A - Fire resistant asphalt roofing : en
  • US2458182A - Molding apparatus : en
  • US2458191A - Resinous compositions of starch ethers with other resins : en
  • US2457936A - Jet-powered lifting rotor for rotary wing aircraft : en
  • US2457986A - Synchronization of time division multiplex communication system : en
  • GB615567A - Improvements in, or relating to, air conditioning apparatus : en
  • US2458391A - Screw and driver : en
  • CA453767A - Device for coiling springs : en fr
  • US2458479A - Setback switch : en
  • USD152279S - Design for a liquor jigger or similar article : en
  • US2458265A - Bow tie and method of making same : en
  • CA453786A - Method and apparatus for making elbows : en fr
  • USRE23072E - Shirt collar shafxno xetice : en
  • US2458468A - Safety gate for projectiles : en
  • GB615235A - Improvements in central heating and cooling apparatus : en
  • GB615317A - Improvements in or relating to devices for weighing liquids : en
  • US2458103A - Electric boiler : en
  • CA453752A - Liquid cooled metallic beer keg : en fr
  • CA453849A - Power transmission apparatus : en fr
  • US2457888A - Strainer for pump jacks : en
  • USD152280S - Design for a liquor jigger or similar article : en
  • US2458216A - Adjusting and holding means for rotary disk tools and the like : en
  • US2458234A - Coin collector selective apparatus : en
  • US2458492A - Wheel cover : en
  • CA453810A - Three-phase transformer construction : en fr
  • CA453765A - Decorative product comprising glass fibres : en fr
  • GB615153A - Improvements in or relating to inflators for pneumatic tyres : en
  • CA453784A - Ski binding : en fr
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  • US2458408A - Acrolein-phenol resin : en
  • US2458169A - Infusion package with nontangling string handle : en
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  • FR941161A - Method for determining or checking the proportions of two bodies, for example in a mixture of these bodies : en fr
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  • GB615262A - Improvements in or relating to cursor mountings : en
  • GB615535A - Improvements in or relating to apparatus for detecting and/or interpreting signals from a leader cable : en
  • US2458021A - Rewinding gear for bobbins and other yarn carriers : en
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  • US2458195A - Loader attachment for tractors : en
  • US2458301A - Apparatus for photographing titles on motion-picture films : en
  • CA453835A - Circuit arrangement embodying electron discharge devices of the velocity modulation type : en fr
  • CA453929A - Compound of the arsenobenzene series : en fr
  • CA453859A - Moulded magnesia insulation and method of manufacture : en fr
  • USD152287S - Design for a fish lube : en
  • US2457855A - Accounting and filing device : en
  • CA453791A - Chlorofluorocarbon and method of making the same : en fr
  • CA453927A - Slaughtering tool for dry picking poultry : en fr
  • US2458139A - Filter or strainer for liquids : en
  • US2458098A - Revolving fan speed control : en
  • GB615431A - Improvements in and relating to colour sensitised silver-halide emulsions and photographic materials coated therewith : en
  • US2458396A - Transmission gearing : en
  • US2458109A - Conversion of hydrocarbons : en
  • US2458474A - Centrifugally operated control device : en
  • FR941102A - Method and device for shaping, field planing or bias shaping boat building components : en fr
  • FR941137A - Method and machine for shaping parts by stamping and drawing : en fr
  • GB615474A - Improvements in and relating to the feeding of cylindrical articles : en
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  • US2458300A - Resilient wheel : en
  • US2458419A - Wind wheel : en
  • US2458000A - Feedback amplifier or oscillator : en
  • US2458151A - Circuit breaker : en
  • US2458330A - Swinging hitch : en
  • DK68313C - Cylinder lock with key. : da en
  • US2458188A - Drafting instrument : en
  • US2458432A - Thiol ester modification of synthetic rubbers : en
  • CA453796A - Emulsion : en fr
  • CA453884A - Phase corrector for telegraph system : en fr
  • US2458255A - Releasing mechanism for power take-offs : en
  • US2458018A - Refrigeration compressor starting unloader : en
  • US2458062A - Garment structure : en
  • FR941312A - Improvements to electric batteries : en fr
  • US2458089A - Solid axle drive mechanism for vehicles : en
  • US2458223A - Electronic tube : en
  • GB615482A - Improvements relating to dynamo electric machines : en
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  • CA453869A - Conveyer of the endless belt type : en fr
  • US2458359A - Process of multiple-zone regeneration of a moving bed catalyst : en
  • US2458477A - Coupling for water hose and the like : en
  • DK68297C - Stand for one or more optical instruments. : da en
  • GB615200A - Improvements in or relating to brackets for attachment to walls : en
  • GB615453A - Improvements in refrigerant compressors : en
  • CA453802A - Screw thread milling machine : en fr
  • CA453900A - Treatment of pigment comprising calcium carbonate : en fr
  • US2458201A - Feeding mechanism for seed separators : en
  • US2458064A - Humidifier for air-heating furnaces : en
  • US2458322A - Time set control : en
  • US2457984A - Floor nailing machine : en
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  • FR941255A - Process for manufacturing flexible sheaths in unlimited lengths around flexible or rigid bodies of great lengths such as pipes, cables, etc. : en fr
  • GB615335A - Improvements in or relating to the production of phenolic resins : en
  • GB615172A - Improvements in or relating to powdered metal compositions : en
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  • US2458397A - Dyeing of nylon fibers by treating with nitrogenous condensation products : en
  • US2458403A - Photographic film employing hydrolyzed cellulose acetate emulsions : en
  • US2458047A - Backlash preventer for fishing reels : en
  • US2458240A - Operating mechanism for electric circuit breakers : en
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  • CA453874A - Combined stabilizer and strut construction : en fr
  • DK68298C - Resistance element for pyrometers. : da en
  • US2458127A - Convertible vehicle : en
  • US2458256A - Water carburetor : en
  • US2457980A - Method of and apparatus for bunching electrons : en
  • US2458352A - Method of preparing molecularly oriented copolymers of acrylonitrile, butadiene 1,3,and diethyl maleate : en
  • US2458165A - Method and apparatus for conversion of fluid hydrocarbons : en
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  • US2457943A - Rocker arm construction : en
  • USD152237S - Design for a terminal link for a watch bracelet or similar article : en
  • USD152285S - Design for a fish lure : en
  • GB615372A - Improvements relating to electric current converters employing vibratory contacts : en
  • GB615341A - Improvements in or relating to a tappet : en
  • US2458023A - Variable stroke pump : en
  • US2457930A - Fluid pressure operated device for inserting cushion pads : en
  • US2458444A - Dressing mechanism : en
  • US2458302A - Method and chuck for assembling mold walls : en
  • US2457914A - Convertible film gate construction : en
  • US2457961A - X-ray unit : en
  • US2457964A - Panelling construction : en
  • US2458206A - Shock absorber : en
  • US2458053A - Apparatus for raising natural oils and other liquids by gaseous pressure : en
  • CA453895A - Antenna : en fr
  • US2457799A - Instrument for detecting strain in translucent materials : en
  • US2458358A - Process of regenerating a moving bed of solid catalyst : en
  • USD152290S - Design for a pull toy : en
  • CA453762A - Method and apparatus for grounding track-laying apparatus : en fr
  • CA453914A - Hydraulic pump of the radial cylinder type : en fr
  • FR941245A - Heating device, in particular for quenching, by high frequency currents : en fr
  • FR941232A - Device for driving and fixing crampons in belts : en fr
  • GB615412A - Flow meter and metering chamber therefor : en
  • CA453808A - Switch construction : en fr
  • GB615578A - Improvements in or relating to apparatus for inspecting solid parts by supersonic shear waves : en
  • CA453761A - Hair drying bonnet : en fr
  • FR941326A - : fr
  • GB615563A - Improvements in cathode-ray tube : en
  • US2457963A - Pelleting carbon black : en
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  • GB615365A - Improvements in and relating to the masking of light-transmitting screens such as the screens of cathode ray tubes : en
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  • US2458006A - Bidirectional blower : en
  • US2458369A - Rail joint : en
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  • GB615114A - Improvements in folding tables : en
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  • CA453901A - Alkali-resistant binder : en fr
  • GB615173A - Improvements in control-lever mechanism : en
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  • US2458244A - Cutting tool : en
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  • US2458312A - Support for trailer vehicles : en
  • US2458414A - Navigation signal system : en
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  • CA453768A - Safety device : en fr
  • CA453771A - Liquid fuel burner : en fr
  • CA453783A - Combination cigarette and match package : en fr
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  • US2458471A - Embedded heating element and method of making the same : en
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  • FR941322A - Electric wave transmission device : en fr
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  • US2458420A - Acrylic ester-amides and polymers thereof : en
  • FR941289A - Process for the preparation of artificial estrogens and products thereof : en fr
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  • US2458278A - Cementing equipment : en
  • FR941031A - : fr
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  • GB615516A - Improvements in or relating to radio indicating apparatus : en
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  • GB615278A - Improvements in or relating to shaft coupling devices and to pulleys, wheels, fans or the like and mountings therefor : en
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  • FR941257A - Improvements to electrode holders for arc welding : en fr
  • FR941321A - Improvements to devices for feeding sheets to a printing press or similar : en fr
  • GB615226A - Optical measuring device for wires, electric cables and other objects : en
  • GB615357A - Method for the preparation of stable suspensions in oils or the gonadotrophic substance from pregnancy urine : en
  • US2458465A - Centrifugal switch : en
  • FR941341A - fuel saver for motor vehicles : en fr
  • GB615227A - Improvements in devices for injection of fertilisers into the ground : en
  • USD152266S - Television receiver cabinet : en
  • GB615572A - Method of producing industrially important aluminium-silicon alloys : en
  • US2457875A - Compartmented hatbox having fixed and removable radial partitions : en
  • FR941109A - Improvements to foundry molding machines : en fr
  • DK68310C - Apparatus for heating automobiles. : da en
  • US2458173A - Shopping bag handle : en
  • FR941254A - Pressure-controlled expansion valve : en fr
  • FR941328A - Process and installation for the implementation of pulverulent materials : en fr
  • US2458406A - Ciphering and checking device : en
  • US2457967A - High velocity motor ventilation : en
  • US2458243A - Aluminum covered glass thread : en
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  • GB615358A - Improvements in infinitely variable speed gearing : en
  • GB615397A - A new or improved machine for moulding plastic materials, especially in the manufacture of confectionery : en
  • US2458187A - Variable condenser with trimmer : en
  • US2458456A - Emulsion polymerization : en
  • GB615209A - Improved moulding compositions : en
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  • GB615243A - Improvements in or relating to electrical bonding couplings : en
  • GB615393A - Automatic oil burners of the oil pressure atomising type : en
  • US2458198A - Control for spill ports for freepiston units : en
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  • GB615291A - Improvements in and relating to writing machines : en
  • GB615308A - Telephonograph for recording and reproducing oral communications : en
  • US2457837A - Multistage regeneration of a moving bed catalyst : en
  • US2458145A - Impression taking means : en
  • GB615507A - Improvements in or relating to clutches for conveying rotary motion : en
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  • US2458163A - Sewage treating process : en
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  • IE19414L - High frequency discharge tubes : en
  • GB615131A - Insulated electric cable and insulation therefor : en
  • GB615333A - Improvements relating to combination locks : en
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  • GB615368A - Method and machine for packaging or wrapping of articles : en
  • GB615382A - Improvements in or relating to flexible tubular connections : en
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  • US2458241A - Posthole digger : en
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  • GB615373A - Improvements in and to a talking machine needle : en
  • GB615379A - An improved calculating instrument : en
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  • FR941305A - Lubricating oil composition : en fr
  • CA453919A - Food freezing apparatus : en fr
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  • US2458329A - Clamp for applying and removing jar covers : en
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  • GB615592A - Improvements in the suspension of metallic screens under the heating arches of furnaces such as hearth or basin furnaces : en
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  • GB615344A - Improvements in or relating to draught regulators for furnaces : en
  • GB615509A - Improvements relating to yarn and analogous winding machines : en
  • US2458131A - Control of energy supplied to translating devices : en
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  • FR941301A - Seeders towed by tractors : en fr
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  • GB615472A - Improvements in or relating to radio-frequency networks : en
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  • GB615389A - Appliances for playing games : en
  • GB615279A - Improvements in railway rail joints : en
  • FR941200A - Frequency modulation system : en fr
  • GB615195A - Improvements in the lateral control of aircraft : en
  • FR941193A - Pneumatic core molding machine : en fr
  • FR941191A - Improvements in high frequency food processing processes : en fr
  • GB615550A - Method of producing replicas of printing formes : en
  • GB615320A - Improvements relating to bearings : en
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  • GB615452A - Improvements in the construction of water cooled parts of apparatus which are subjected to high temperatures : en
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  • GB615477A - Improvements in or relating to inductive electrical conductors : en
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  • GB615129A - Improvements in manufacturing oars : en
  • DK68323C - Machine for wetting and cutting adhesive strips. : da en
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  • GB615241A - Improvements in or relating to resin compositions and adhesives : en
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  • US2458380A - Closure for laundry machine tubs : en
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  • USD152242S - Design fob a fish lube : en
  • FR941121A - Advanced simulated flight training and navigation device : en fr
  • GB615343A - Sliding-clasp fastenings of thermoplastic material : en
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  • GB615201A - Improvements in and relating to frames for vertical piston engines : en
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  • GB615551A - Improvements in devices for testing spark plugs : en
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  • US2458204A - Movable multiple magazine unit for typesetting machines : en
  • US2458257A - Safety razor and blade sharpener : en
  • US2457982A - Method of producing building panels : en
  • US2458374A - Rayon and like spinning machines : en
  • US2458238A - Means for making packing material for chemical apparatus : en
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  • US2458128A - Rotary engine : en
  • US2458430A - Medicinal solutions : en
  • CA453909A - Cinematography : en fr
  • US2458433A - Method for contact material regeneration : en
  • US2457941A - Thermocontact : en
  • US2458228A - Weighing device with bag filling and bag vibrating means : en
  • US2458423A - N-allyl derivatives of acrylic esteramides and polymers thereof : en
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  • CA453925A - Sheet delivery mechanism for stop-cylinder printing machines : en fr
  • US2458347A - Form tool grinding attachment for grinding machines : en
  • US2458075A - Process for preparation of thiolesters : en
  • US2457952A - Pneumatic thread control for looms : en
  • US2457973A - Ionizing means and method of ionization : en
  • US2458251A - Solid electric heating plate : en
  • FR941116A - Auxiliary spark ignition device for internal combustion engines : en fr
  • US2458458A - Cushioning means for engine starters : en
  • US2458101A - Leak detector : en
  • CA453836A - High frequency measuring apparatus : en fr
  • US2457884A - Roadable airplane : en
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  • CA453809A - High voltage circuit interrupter : en fr
  • US2458376A - Photographic developer antioxidants : en
  • US2457917A - Purification of titanium halides by treatment with metal hydrides and distillation : en
  • US2458180A - Auxiliary pump for free-piston units : en
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  • US2457913A - Film gate : en
  • US2458290A - Power transmission for reversible machine elements : en
  • CA453907A - Process of retting flax : en fr
  • FR941204A - New developments in the manufacture of siloxane resins : en fr
  • CA453857A - Ventilating system for positive air control in buildings : en fr
  • CA453819A - Strain measuring device : en fr
  • US2457886A - Tremolo device for accordions : en
  • US2458111A - Multiple piston for internalcombustion engines : en
  • US2458034A - Mineral castor oil : en
  • DK68319C - Method for casting tiles with a smooth, possibly reflective and waterproof surface, in particular with Portland cement as binder. : da en
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  • FR941178A - Retractable lens camera and reflex mirror : en fr
  • FR941248A - Improvements made to counters or display cases with at least one refrigerated compartment for the conservation, display and delivery of ice cream or other perishable foodstuffs : en fr
  • GB615149A - Improvements in or relating to machines for washing minerals, ores, and the like solid materials : en
  • GB615313A - Improvements in or relating to fluid pressure systems : en
  • US2458147A - Control for free-piston units : en
  • US2457905A - Fuel tank indicator : en
  • GB615394A - Improvements in or relating to fusible electric cut-outs : en
  • CA453902A - Feeder gauging means for fish dressing machines : en fr
  • US2458384A - Grinding of lenses or of dies therefor : en
  • CA453814A - Circuit breaker control : en fr
  • US2458167A - Electrical discharge device having cavity resonators : en
  • US2458375A - Gear rack load binder : en
  • USD152306S - By jitiys : en
  • USD152301S - Design for a jacket : en
  • CA453865A - Power energizing clutch mechanism : en fr
  • US2457894A - Carbide feed mechanism for batteries of acetylene generators : en
  • GB615107A - Improvements relating to ball and roller bearings : en
  • GB615460A - Improvements relating to forcing houses, cloches and the like for horticultural purposes : en
  • US2458452A - Driving device for revolving members : en
  • CA453887A - Method of and means for generating currents for non-signalling purposes : en fr
  • US2458189A - Method of expanding tubing by freezing liquid therein : en
  • US2458090A - Slicer : en
  • US2458119A - Electrically heated wearing apparel : en
  • US2458285A - Method of lining combustion tubes and the like : en
  • US2458335A - Attaching panel for key cases : en
  • US2458181A - Speed reduction mechanism : en
  • USD152304S - Illuminable outdoor advertising display : en
  • US2457944A - Ventilated shoe : en
  • US2458372A - Atomizing oil burner of the high-low type : en
  • US2458058A - Holder for chain saw sharpeners : en
  • US2458282A - High-power permeability core inductance : en
  • US2458438A - Overshoe with lining for shining shoes : en
  • GB615489A - Improvements in integrated mica and method of making the same : en
  • US2458132A - Schmidt image former with spherical aberration corrector : en
  • FR941126A - Improvements relating to protective eyewear : en fr
  • FR941195A - Manufacture of solid and semi-solid polymers of ethylene : en fr
  • GB615408A - Improvements in intravaginal packs and their manufacture : en
  • US2457895A - Grinding fixture : en
  • FR941313A - Presentation device more particularly suitable for advertising or the theater : en fr
  • GB615595A - Improvements in and relating to oil tank and cooler assembly : en
  • GB615480A - Improvements in or relating to navigational aid apparatus : en
  • USRE23068E - Electrolytic polishing of stainless : en
  • GB615545A - Improvements in ball bearings : en
  • GB615106A - Improvements relating to radio-frequency inductances and tuners : en
  • FR941158A - Improvements to sheet moving devices for printing presses and similar machines : en fr
  • GB615607A - Improvements in or relating to trailers for road vehicles and the like : en
  • US2457887A - Purification of bacitracin : en
  • USD152246S - Design for a tool chest or the like : en
  • FR941139A - New products based on polyvinyl fluoride, process for their preparation and applications : en fr
  • US2458348A - Electric resistance film hygrometer : en
  • GB615282A - Combustion chambers of internal-combustion engines : en
  • USD152295S - Design for a trolling spinner : en
  • US2458141A - Crucible handling device : en
  • GB615181A - Improvements in and relating to magazines for dispensing thin or wafer like articles : en
  • FR941231A - Automatic amplifier gain control device, applicable in particular to so-called radar devices : en fr
  • GB615593A - Improved glass composition : en
  • US2458416A - Rake attachment for lawn mowers : en
  • CA453804A - Method of bleaching ground wood : en fr
  • DK68312C - Method and apparatus for removing sand and sand mixtures from a container. : da en
  • DK68292C - Method for repairing damaged ceiling structures of reinforced concrete. : da en
  • GB615374A - Improvements in and relating to grate bottoms for stoves : en
  • GB615231A - Improvements in joints for sheet piles : en
  • GB615354A - Improvements in or relating to a liquid fuel feed system for a burner : en
  • FR941277A - Method and apparatus for shaping organic plastics : en fr
  • GB615130A - Improvements in or relating to machines for harvesting tubers : en
  • GB615160A - Improvements in or relating to miniature electric motors : en
  • FR941304A - servo motor equipment for cycles or the like : en fr
  • GB615274A - Piston for internal combustion engine : en
  • GB615316A - Improvements in or relating to magnesium hydroxide bonding agents : en
  • GB615363A - Manufacture of polymeric nitrogen-containing compounds : en
  • CA453800A - Lens : en fr
  • GB615237A - Improvements in or relating to control systems for polyphase induction motors : en
  • FR941229A - Packaging tray for bottles or other objects of similar shape and method of use thereof : en fr
  • FR941296A - New liquid compositions based on linear polysiloxanes : en fr
  • GB615182A - Improvements in the attachment of bodies to shafts : en
  • GB615576A - Improvements in or relating to high frequency oscillators : en
  • US2457867A - Apparatus for vacuum sealing canned food : en
  • GB615386A - Improvements in helicopters : en
  • FR941135A - Seaplane : en fr
  • US2458305A - Tubular article comprising rubberlike material : en
  • US2457834A - Control device for vacuum cylinders : en
  • US2458314A - Variable electrical resistor : en
  • US2458482A - Traffic signaling device support : en
  • US2458004A - Outdoor jacket : en
  • GB615486A - Improvements in or relating to breathing apparatus : en
  • GB615286A - New or improved optical glasses : en
  • FR941221A - Improvements made to the means for pouring fluids or liquids, in particular lubricant for engines : en fr
  • GB615150A - Improvements in and relating to eddy current heating : en
  • GB615198A - Improvements in or relating to pumps : en
  • GB615276A - Sewing machine : en
  • GB615478A - Improved fuel injection pump : en
  • GB615281A - Improved means for use in loading a truck : en
  • GB615306A - Improvements in and relating to the manufacture of shoes with ornamental or patterned uppers : en
  • US2457869A - Circuit testing apparatus : en
  • US2457965A - Replaceable furnace arch nose construction : en
  • US2457951A - Rotary feed cutter with shear bar arranged on a chord : en
  • US2458273A - Woman's sanitary undergarment : en
  • US2458292A - Method of retarding the reversion of alkali-metal phosphate glass in aqueous solutions and a composition of matter thereof : en
  • US2457928A - Brassiere construction : en
  • US2458190A - Popcorn warming device : en
  • DK68279C - Oscillographic measuring device. : da en
  • US2457873A - Vulcanizable copolymers of acrylonitrile, butadiene and maleic esters : en
  • CA453921A - Control system for regulating the rate of flow of liquids or other materials capable of flowing : en fr
  • GR11902B - CAR AROUND AND VOLOKOPOS RAISINS. : el en
  • GB615470A - Improvements in or relating to the joining of or joints for woodwork : en
  • USD152293S - Design for a hanging flower basket : en
  • GB615162A - Improvements in the treatment of yarns and like materials : en
  • GB615280A - Flexible shaft coupling : en
  • US2458453A - Process for producing thiamin : en
  • US2458483A - Centrifugal safety delay switch : en
  • FR941299A - Rotary machine or motor, e.g. compressor, pump, turbine, multistage : en fr
  • GB615575A - Improvements in or relating to yarn and like winding machines : en
  • CA453839A - Gear : en fr
  • FR941144A - Method and lifting apparatus for continuous ring looms and like spinning machines : en fr
  • GB615104A - Improvements in or relating to hearing aid apparatus : en
  • GB615257A - Improvements in or relating to electron microscopes and other electronic apparatus employing electron lenses : en
  • GB615503A - Improvements in or relating to telephone systems : en
  • CA453776A - Root cleaner : en fr
  • CA453834A - Apparatus for treating cords with liquid : en fr
  • US2458166A - Composite pressure-sensitive adhesive sheet material : en
  • US2458117A - Rearview mirror support : en
  • GB615409A - Dust tight fluorescent lighting luminaires : en
  • US2458371A - Spring clamp for holding electric lamps : en
  • USD152272S - Illuminable vakity case or the like : en
  • US2457841A - Freight container : en
  • CA453876A - Underfeed domestic stoker : en fr
  • US2458134A - Adjustable ventilator : en
  • CA453879A - Carrier wave telephony : en fr
  • CA453854A - Anti-friction bearing : en fr
  • CA453855A - Anti-friction bearing : en fr
  • US2458315A - Method and apparatus for reproduction of angular magnetic recording : en
  • USD152260S - Design for a bridge crane : en
  • US2457817A - Bomb : en
  • US2457927A - Closure for pressure vessels : en
  • US2458197A - Bilge pump : en
  • CA453746A - Container closure : en fr
  • US2457900A - Grain drill feed mechanism : en
  • US2457988A - Preparation of p-acetylphenyl acetate : en
  • US2458272A - Electrode splicing device : en
  • FR941213A - Method of introducing aqueous fluid into the fuel mixture of an explosion engine, and apparatus for carrying out this method : en fr
  • CA453806A - Power fuse : en fr
  • CA453893A - Electron discharge time delay system : en fr
  • FR941262A - New synthetic resin and its manufacturing process : en fr
  • GB615288A - Improvements in or relating to devices for sealing the ends of electric cables : en
  • CA453790A - Synthetic wax and wax composition : en fr
  • US2458361A - Airway traffic control system : en
  • FR941182A - Improvements to coke oven batteries : en fr
  • CA453871A - Conveyer of endless belt type : en fr
  • FR941163A - Improvement in windshield wiper mechanisms : en fr
  • USD152268S - Design foe a jewelry pin : en
  • US2457868A - Magnetic windshield wiper : en
  • FR941306A - Mechanical grid : en fr
  • FR941325A - Apparatus suitable for modifying the combustion mode in a heating appliance : en fr
  • GB615251A - Improvements in or relating to friction clutches : en
  • GB615505A - Improvements in or relating to telephone systems : en
  • US2457872A - Vulcanizable copolymers of a vinyl aryl compound, butadiene and maleic esters : en
  • US2458150A - Roundabout : en
  • GB615239A - Improvements in or relating to glyceride oils : en
  • GB615504A - Improvements in or relating to telephone systems : en
  • GB615230A - Improved means for attaching a well glass to a lighting fitting : en
  • FR941196A - Variable Speed Transmission Improvements : en fr
  • GB615352A - Improvements in drive systems for sound motion picture film : en
  • GB615495A - Method and apparatus for forming a carton : en
  • GB615562A - Improvements in or relating to means for measuring or detecting x-rays or the like radiation : en
  • GB615566A - Improvements in or relating to the alkylation of aromatic hydrocarbons : en
  • US2458083A - Game scoring device with score indicating lights : en
  • FR941172A - Improvements to installations for air conditioning and ventilation of building premises : en fr
  • US2457926A - Film loading device : en
  • FR941157A - Improvements to printing presses : en fr
  • US2457940A - Gutter leader unit : en
  • US2457958A - Filter : en
  • US2458144A - Telegraph code converter : en
  • FR941101A - Process and device for carbonizing the resulting coal and coke : en fr
  • GB615485A - Improvements relating to load-handling apparatus : en
  • CA453831A - Curing neoprene : en fr
  • FR941220A - Alumina phosphate treatment process : en fr
  • GB615579A - Improvements in or relating to inspection of a solid part utilizing supersonic transmission : en
  • FR941335A - Process for the preparation of primary alcohols : en fr
  • GB615293A - An improved rotor head for helicopters and gyroplanes : en
  • GB615559A - Improvements in photographic type composing machines : en
  • US2457912A - Egg opener with an annular cutting flange and suction cup holder : en
  • US2457933A - Process for electrolytic reduction of pentionic acid lactones : en
  • US2458306A - Game : en
  • GB615337A - Improvements in or relating to machines for making pile fabrics : en
  • GB615139A - Improvements in the application of pendulums to clocks : en
  • GB615299A - Improvements in or relating to axle boxes for railway vehicles and the manufacture thereof : en
  • US2457959A - Filtering tank for water disposal systems : en
  • US2458065A - Level winding device : en
  • US2458317A - Arc extinguishing means for electric circuit breakers : en
  • US2458427A - Method of manufacturing record dies : en
  • FR941339A - Centrifugal pump for liquids : en fr
  • CA453922A - Mould for tires : en fr
  • FR941346A - Device for reversing the direction of travel in two-stroke engines : en fr
  • GB615156A - Improvements in and relating to aircraft with rotary-wings : en
  • GB615432A - An improved combination of photographic film spool and film winding apparatus : en
  • GB615369A - Improvements in and relating to steel hatches for ships : en
  • US2458009A - Square root radial averager : en
  • US2458114A - Layout protractor : en
  • US2458470A - Centrifugal unshorting device : en
  • US2457956A - Thread cutter for pneumatic thread receivers for looms : en
  • US2458351A - Hard rubber : en
  • DK68284C - Process for the preparation of prolonged-release insulin preparations. : da en
  • US2458464A - Switch : en
  • FR941160A - Selenium cell enhancements : en fr
  • US2457810A - Sealing device for dry cells : en
  • CA453812A - Protective relay system : en fr
  • US2458076A - Ladder extension : en
  • US2458072A - Window pulley gauge : en
  • US2458087A - Drive shaft assembly : en
  • US2457818A - Downward forced flow air heater for rooms : en
  • US2458030A - Selective signaling apparatus and system : en
  • US2458104A - Fluorescent materials : en
  • US2458033A - Microphonics tester : en
  • CA453751A - Machine for pressing gloves : en fr
  • US2458100A - Hysteresis motor control system and method of operation : en
  • US2458250A - Shoeshine shield : en
  • US2458271A - Rotating base for load handling machines : en
  • US2457847A - Tall oil-cellulose ether composition : en
  • US2458365A - Television receiver : en
  • US2458437A - Photographic gamma control : en
  • USD152241S - Collins amusement machine cabinet : en
  • GB615246A - Improvements in methods of producing composite plates or sheets : en
  • GB615310A - Method of converting secondary amines to nitramines : en
  • CA453795A - Extreme pressure lubricant : en fr
  • FR941146A - Filter to denicotinize tobacco smoke : en fr
  • GB615121A - Clamp for electric conductors : en
  • US2458046A - Key controlled lock : en
  • US2458060A - Ice-cream receptacle holding device : en
  • US2458091A - Disk harrow hitch locking means : en
  • FR941206A - Improvements in soap making : en fr
  • US2458326A - Apparatus for removing residual thread from bobbins : en
  • US2457950A - Electronic device : en
  • US2458051A - Outboard motor lubricating system : en
  • US2458417A - Dry shaver : en
  • CA453892A - Wave length modulation : en fr
  • USD152302S - Design for a unit heater casing : en
  • GB615597A - Improvements relating to cross-coil ratio indicating instruments : en
  • US2458121A - Radio shielded ignition means : en
  • US2458215A - Tomato corer : en
  • US2458390A - Socket for electronic tubes with associated condensers : en
  • CA453781A - Safety thread cutter for sewing machines : en fr
  • GB615155A - Improvements in and relating to valve extractors for fuel valves of internal combustion engines and like uses : en
  • US2458235A - Umbrella holder : en
  • US2458345A - Apparatus for thrashing podded or shell inclosed field crops : en
  • US2458385A - Storm window assembly : en
  • DK68274C - Coupling to preselectors. : da en
  • GB615133A - Improvements in sheet feeding or sheet delivering machines : en
  • CA453891A - Coupling circuit : en fr
  • DK68269C - Ignition rod for gas generators. : da en
  • US2458418A - Continuous and intermittent recording instrument : en
  • CA453837A - High frequency electrical testing apparatus : en fr
  • US2458247A - Electromagnetic relay : en
  • GB615256A - Improved polyvinyl chloride compositions, their manufacture and application : en
  • GB615543A - Process for the production of aldehydes and ketones : en
  • US2457902A - Pressure measuring apparatus : en
  • US2458304A - Self-tightening rope clamp : en
  • US2458353A - Men's trousers : en
  • GB615530A - Improvements in photographic apparatus of the parallax panoramagram type : en
  • FR941214A - Improvements to pipe joints : en fr
  • DK68290C - Collapsible drawer. : da en
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  • US2458010A - Totally enclosed nonventilated motor : en
  • GB615471A - Improvements in platforms for cartridge magazines for automatic firearms : en
  • GB615122A - Improvements relating to fireplaces : en
  • GB615250A - Improvements in or relating to oil filters : en
  • US2458303A - Center joint form : en
  • GR11900B - CHILDREN'S READER. : el en
  • US2457920A - Unitary volume-control switch and dialite assembly : en
  • US2457935A - Collapsible child's carriage : en
  • US2458130A - Fairing for automobile vehicles : en
  • US2458037A - Fluid energy machine : en
  • US2458346A - Picture centering mechanism for motion-picture projection apparatus : en
  • US2458334A - Light control : en
  • GB615248A - Improvements in electric lighting control apparatus : en
  • US2457816A - Variable permeability tuner : en
  • US2457978A - Self-opening collapsible chair : en
  • US2458342A - Control lever booster : en
  • US2458447A - Engine cylinder : en
  • GR11901B - SHOES WITH SPRING OR BALLOONS OUT OF TIRE. : el en
  • US2457939A - High-voltage switch : en
  • US2458239A - Support for fowl or the like : en
  • CA453861A - Material loading apparatus : en fr
  • FR941216A - Control of the leaf of the loom by articulated rod and slide : en fr
  • US2457916A - Ignition apparatus : en
  • US2458193A - Xylophone : en
  • FR941189A - Absorption refrigeration machine working with inert auxiliary gas : en fr
  • GB615193A - Improvements in the production of multiple-ply twisted threads, cords, twines and the like : en
  • GB615420A - Improvements in and relating to pulse generators comprising thermionic valves : en
  • GB615586A - Improvements in or relating to cutlery articles : en
  • US2458478A - Setback switch : en
  • US2458422A - Acrylic diester-propionamides and polymers thereof : en
  • USD152281S - Design for an ultraviolet lamp : en
  • GB615158A - Improvements in or relating to gramophones : en
  • GB615189A - Wide band voltage probe : en
  • US2457804A - Synthetic blood suture and method : en
  • GB615330A - Improvements in or relating to spinnerettes : en
  • GB615413A - Flow meter : en
  • GB615430A - Improvements in and relating to the manufacture of photographic silver halide emulsions : en
  • FR941329A - Liquid meter with two parallel cylinders and reciprocating and oscillating pistons : en fr
  • CA453747A - Push-sledge with runners of flat strips of iron : en fr
  • US2458264A - Parachute : en
  • US2458404A - Manufacture of sodium hydroxylamine sulfonates : en
  • USD152258S - Design for an electric connector : en
  • US2458415A - Apparatus for echo distance measurement : en
  • US2458487A - Method and apparatus for conducting the regeneration of a moving bed catalyst : en
  • US2458110A - Apparatus for producing seamless tubes : en
  • US2457998A - Coin-holding device : en
  • GB615585A - Distribution system for high frequency electrical energy : en
  • GB615272A - Improvements relating to spectacle frames : en
  • US2458230A - Cleaning means for beer dispensers : en
  • USD152259S - Design for a bridge crane : en
  • FR941239A - Improvements to thermal insulation of the multi-layer type : en fr
  • CA453811A - Arc chute for electric circuit breakers : en fr
  • FR941140A - Preservation process using coagulated albumin and products resulting from the application of this process : en fr
  • GB615396A - Improvements in or relating to rotor blades for rotary wing aircraft : en
  • GB615319A - Improvements in and relating to joint structures : en
  • FR941174A - Advanced optical systems including lenses : en fr
  • US2457953A - Thread cutter for weft replenishing looms : en
  • US2458354A - Electric strain device with temperature compensator : en
  • FR941145A - Electric liquid resistance furnace for smelting and refining metals, for making alloys, reducing minerals and for other similar purposes : en fr
  • US2458274A - Carrying scraper : en
  • CA453823A - Telemetering system : en fr
  • FR941219A - Improvements in the construction of bogies for railway rolling stock : en fr
  • FR941287A - Phase shift measurement system between two voltage or current vectors of the same frequency : en fr
  • GB615433A - Structure of reinforced concrete including concrete bars with tensioned steel reinforcement : en
  • GB615461A - Sedimentation device : en
  • GB615252A - Pyrylium dye salts as filter and anti-halation dyes in photographic materials : en
  • US2458066A - Combustion chamber : en
  • FR941127A - Plasticized polymer composition and method of manufacturing said composition : en fr
  • GB615236A - Improvements in or relating to means for delivering liquid in bulk from tanks of road vehicles or the like : en
  • US2457901A - Reel signal unit : en
  • CA453898A - Antenna : en fr
  • FR941203A - Improvements in the manufacture of siloxane resins : en fr
  • CA453930A - Arsenobenzene compound : en fr
  • DK68311C - Locking mechanism for bicycle pumps. : da en
  • DK68287C - Plastic binder for foundry sand. : da en
  • FR941152A - Method and machine for manufacturing anti-vibration fixing or support devices : en fr
  • FR941235A - Variable frequency signal generator : en fr
  • US2458002A - Lock : en
  • CA453863A - Supporter garment : en fr
  • US2457997A - Ultra high frequency power measuring system : en
  • GB615194A - Improvements in or relating to endless tracks for wheeled vehicles : en
  • GB615355A - Transmission line bridge circuits : en
  • CA453899A - Permanent magnet : en fr
  • CA453753A - Support and traction of implements : en fr
  • GB615305A - Improvements relating to the manufacture of textile fibres composed of casein or casein and cellulose : en
  • GB615347A - Improvements in and relating to moulded hermetically sealed containers : en
  • CA453894A - Telegraph system : en fr
  • GB615137A - Manufacture of amides of ª‡,ª‰-unsaturated carboxylic acids : en
  • CA453797A - Casting mould : en fr
  • US2458343A - Rotary seal : en
  • USD152274S - Design for a lady s suit : en
  • US2458367A - Saw-tooth voltage generator : en
  • GB615295A - Mechanical pencil : en
  • GB615524A - Improvements in or relating to electric lampholders : en
  • GB615126A - Improvements in and relating to thermionic tubes and holders therefor : en
  • GB615434A - Improvements in and relating to steam generators : en
  • GB615300A - Improvements in towel rails or clothes airers : en
  • FR941180A - Abrasive tool : en fr
  • US2458226A - Truck anchor : en
  • FR941240A - Method and apparatus for starting vehicle engines : en fr
  • FR941263A - Apparatus for retreading the tread of a tire : en fr
  • GB615456A - Improvements in or relating to a process of producing birefringent material : en
  • US2457915A - Film gate : en
  • GR11906B - CRUDE OIL FIRE BURNER. : el en
  • GB615496A - Improvements relating to electric motor control arrangements especially applicable to electric traction : en
  • GB615141A - Improvements in electric welding apparatus : en
  • USD152277S - Design fob a booth : en
  • US2458407A - Toggle link jack with two lifting phases : en
  • FR941303A - Television signal stabilization device : en fr
  • GB615123A - Improvements in or relating to setting apparatus : en
  • GB615513A - Improvements in the manufacture of superphosphates and compound fertilizers : en
  • GB615596A - Improvements in and relating to rotary stud fasteners : en
  • FR941295A - New roller bar clamp chuck : en fr
  • USD152296S - Design for a bottle : en
  • GB615270A - Improvements in hand distributors for lawn sands and like substances : en
  • GB615290A - Improvements in and relating to writing machines : en
  • GB615582A - Improved method of, and means for, manufacturing rovings, yarn or the like : en
  • FR941179A - Manufacturing process for secondary polyhydroxyalkylaryl amines : en fr
  • FR941344A - Automatic volume control system : en fr
  • USD152245S - Design for a foam scraper holder : en
  • US2457991A - Engine temperature control device : en
  • US2457955A - Thread control for bobbins in magazines : en
  • US2458179A - Antiglare system for automotive vehicles employing polarized light : en
  • US2458429A - Radio bomb release system : en
  • US2458446A - Self-locking lever control : en
  • GB615511A - Improvements relating to automatic yarn and analogous winding machines : en
  • GB615362A - Improvements in handles for actuating cable control mechanisms : en
  • US2457990A - Ironing machine control : en
  • FR941345A - Direction-finding systems : en fr
  • GB615449A - Domestic heating apparatus : en
  • US2458040A - Lehr : en
  • US2457809A - Envelope having tamper detection means : en
  • US2457989A - Brassiere : en
  • FR941129A - Assembly of chain links and the like and method for their manufacture by shell casting : en fr
  • US2458356A - Method and apparatus for burning contaminants from a moving bed contact mass : en
  • US2458031A - Sand spreading and loading device : en
  • US2458405A - Fuse : en
  • US2458425A - Oil compositions : en
  • US2458025A - Boxer's headgear : en
  • US2458068A - System for the treatment of material : en
  • US2458450A - Decolorization of esters of acrylic and alpha-alkyl-acrylic acids : en
  • DK68273C - Process for the production of carbon dioxide gas and apparatus for use in the manufacture. : da en
  • US2458044A - Method of recovering hydrogen fluoride from an azeotropic mixture by crystallization : en
  • USD152283S - Design fob a paper punch : en
  • USD152308S - Design foe a fish lure : en
  • US2457801A - Friction clutch with adjustment for torque transmitting capacity : en
  • US2458029A - Open foot superheater support : en
  • US2458412A - Apparatus for contacting gases with a solid material : en
  • CA453897A - Short wave apparatus : en fr
  • US2457806A - Inductance coil : en
  • FR941147A - Process for obtaining a lasting increase in the volume of hydrated portland cement, mortar, concrete and other hydraulic binders : en fr
  • US2457995A - Film splicer : en
  • FR941271A - Quick remote control of a selector switch with multiple positions chosen in advance : en fr
  • FR941177A - Improvements relating to aircraft : en fr
  • FR941251A - Process for injecting fuel into an internal combustion engine and engine for implementing this process : en fr
  • GB615260A - Improvements in or relating to cylinder heads for hot-gas engines : en
  • US2457854A - Controllable output circuit : en
  • US2458080A - Convertible coaster wagon : en
  • US2458440A - Crystallizer : en
  • US2458275A - Adjustable cap : en
  • US2457882A - Hydration of olefins : en
  • US2457891A - Electron discharge device : en
  • US2458005A - Elevator control apparatus : en
  • US2458184A - Electrically conducting panel : en
  • US2457840A - Discharging peeled fruit from grooved cups of half-fruit peeling machines : en
  • US2457858A - Package carrier and cord cutting device : en
  • US2458448A - Gun training by tracer fire spotting : en
  • CA453878A - Manufacture of metal objects by impact extrusion : en fr
  • CA453782A - Bathtub : en fr
  • US2458208A - Scribing instrument : en
  • CA453853A - Production of iron carbonyl : en fr
  • CA453916A - Electrical translating device utilizing silicon : en fr
  • GB615442A - Improvements in closures for jars, bottles and the like : en
  • FR941252A - Board game : en fr
  • GB615457A - Pose-reflecting systems for photographic apparatus : en
  • GB615322A - Improvements in the application of powders in agriculture : en
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  • CA453833A - Drying of textile materials : en fr
  • FR941334A - Catalyst regeneration process : en fr
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  • US2458364A - Clutch actuator and adjuster : en
  • US2458175A - Directive antenna control system : en
  • USD152292S - Design for an electric broiler : en
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  • CA453763A - High pressure valve construction : en fr
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  • US2457889A - Wide propeller blade manufacture : en
  • US2458078A - Self-propelled track-laying vehicle : en
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  • DK68295C - Zinc alloy for compression or injection molding. : da en
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  • CA453840A - Colour television system : en fr
  • US2458177A - Power steering and propelling mechanism : en
  • US2457878A - Solenoid operated switch : en
  • US2457966A - Dispensing cigarette case : en
  • CA453888A - Wave length modulation system : en fr
  • US2458411A - Method for contacting gases with a solid contact material : en
  • US2458460A - Tobacco smoke pipe : en
  • CA453778A - Mounting for electric arc furnace electrodes : en fr
  • CA453926A - Treatment of organic fibrous materials : en fr
  • CA453858A - Filter moulding apparatus : en fr
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  • US2457833A - Cartridge starter for combustion gas turbines : en
  • US2457808A - Fluorescent red cellulose acetate fibers : en
  • US2458026A - Socket assembly for air-cooled tubes : en
  • US2458055A - Car pit form : en
  • US2457838A - Fluorescent cellulose acetate filaments : en
  • AU147426B2 - Improvements In locks or latches : en
  • GB615298A - Improvements in or relating to articulated railway vehicles : en
  • GB615458A - Improvements in or relating to pesticidal and pest-repellant compositions : en
  • US2458093A - Method of determining the fluid content of well cores : en
  • US2458138A - Electromagnetic receptacle for lamps : en
  • US2458493A - Method of ornamentation : en
  • US2458176A - Animal trap : en
  • US2457947A - High-frequency oscillation tube : en
  • US2457830A - Spot frequency oscillator system : en
  • CA453913A - Railway traffic controlling apparatus : en fr
  • GB615124A - Improvements in or relating to beer or like engines or pumps : en
  • US2457864A - Purchase sheet marking device : en
  • US2457949A - Combination beam shift-grid control tube : en
  • CA453820A - Electric apparatus : en fr
  • FR941169A - Improvements to fabrics and knitted articles, in particular stockings and the like : en fr
  • GB615391A - Improvements in or relating to machines for separating hardened steel strip into sections : en
  • US2458472A - Jaw grinding mechanism for car wheel boring mills : en
  • CA453886A - Reactance tube controlled generator : en fr
  • GB615191A - Improvements in and relating to fluorescent materials : en
  • CA453822A - Control system : en fr
  • CA453847A - Oil burner : en fr
  • CA453867A - Elevating truck : en fr
  • US2457999A - Lubrication means for dual propeller shaft assemblies : en
  • GB615553A - Improvements in or relating to devices for focusing an electron beam : en
  • US2458050A - System for laying or removing railway tracks : en
  • US2457881A - Fire alarm : en
  • US2458298A - Fishing reel : en
  • CA453769A - Composite beam : en fr
  • DK68282C - AC rectifier with one or more dryer stacks. : da en
  • US2457874A - Fluid level indicator : en
  • USD152253S - Jewelry setting or similar article : en
  • DK68318C - Process for producing a slurry with the desired concentration of clay or other similar substances in a liquid, in particular water, and a machine for carrying out the process. : da en
  • GB615580A - Improvements in or relating to a method of manufacturing masses of metal particles : en
  • DK68307C - Autoclave with associated hot water tank. : da en
  • US2458366A - Saw-tooth voltage generator : en
  • USD152298S - Design for a coat : en
  • US2458007A - Securing band or ring : en
  • US2458435A - Method and apparatus for regenerating a moving bed contact material : en
  • FR941290A - Mechanical excavator for loading various materials : en fr
  • GB615540A - Improvements in or relating to resilient couplings for shafts : en
  • FR941292A - Production process for carburized tubular objects : en fr
  • GB615602A - Improvements in and relating to a process for the manufacture of mixed esters of cellulose and of films thereof : en
  • GB615350A - Improvements in or relating to pipe clearing or cleansing apparatus : en
  • US2458253A - Apparatus for metals distillation : en
  • US2458350A - Method and apparatus for conducting gas-solid contact operations : en
  • US2458088A - Coupling : en
  • US2457890A - Muffler : en
  • US2458221A - Method of reducing odor and surface tack of neoprene objects : en
  • US2458323A - Electrical warning light system for motor vehicles and a switch for use in such a system : en
  • US2458133A - Bottle carrier : en
  • US2458481A - Load weighing device : en
  • GB615111A - Plant controlled agricultural machine, suitable in particular for the cultivation ofplants growing in alignment : en
  • US2458136A - Lamp : en
  • US2458039A - Aggregate for improving portland cement concretes : en
  • US2458092A - Intermittently and pawl driven, single axis, multiple drum calendar : en
  • CA453755A - Auto jack : en fr
  • FR941106A - Watering vehicle : en fr
  • CA453850A - Power transmission apparatus : en fr
  • CA453881A - Binder ring and method of making same : en fr
  • DK68286C - Method for purifying penicillin preparations. : da en
  • US2457814A - Sealed potentiometer : en
  • US2458036A - Power transmission and speed reducing apparatus : en
  • USD152239S - Design for a perfume bottle : en
  • DK68324C - Drive roller for belt conveyors or similar transport machines. : da en
  • USRE23071E - Hand loom : en
  • US2458214A - Hydrogenation of nitro compounds : en
  • FR941250A - Castor liquid usable for energy transmission, particularly in hydraulic controls : en fr
  • GB615490A - Improvements in or relating to cartons : en
  • US2458140A - Eye exerciser : en
  • US2458162A - Method and apparatus for conversion of liquid hydrocarbons with a moving catalyst : en
  • US2458428A - Coating compositions for moistureproofing by hot melt coating : en
  • FR941319A - Process for the preparation of disazo dyes, new dyes and their uses : en fr
  • GB615462A - Improvements in nozzles for abrasive blasting : en
  • US2457800A - Self-sealing vent cap : en
  • DK68300C - Multi-row potato planter. : da en
  • GB615247A - Improvements in or relating to agricultural tractors : en
  • US2458231A - Cooling system for car wheel axles : en
  • GB615533A - Improvements in apparatuses operating under pressure particularly for submarine telephonic repeaters : en
  • GB615398A - Polymers : en
  • GB615599A - Improvements in holders for tooth-brushes : en
  • FR941310A - Improvements to methods and devices for constituting a casting mold, in particular for centrifugal casting : en fr
  • US2458328A - 2 (4,4'bis dimethylaminobenzohydryl) 5 dimethylaminobenzoic acid : en
  • US2458357A - Method and apparatus for conducting reactions in the presence of a contact mass : en
  • CA453803A - Machine for joining sheet materials by the heating effect of electric stress alternating at high frequency : en fr
  • US2457845A - Induction heating apparatus for heat-treating the interior surface of elongated small-diameter tubular workpieces : en
  • US2457919A - Circular refrigerator with pivoted rotatable shelves : en
  • FR941224A - Systems for the transmission of facsimiles : en fr
  • GB615446A - Improvements in or relating to electric discharge tube arrangements for operation atvery high frequencies : en
  • DK68320C - Building stone forming machine. : da en
  • GB615360A - Improvements in the deposition of metals by electrolysis : en
  • CA453792A - Hollow core or bobbin for textile materials : en fr
  • CA453793A - Valve arrangement : en fr
  • US2457820A - Amino acid solution and process for preparing the same : en
  • US2457863A - Air charger : en
  • US2458052A - Three-phase transformer construction : en
  • US2458467A - Centrifugal delay switch : en
  • FR941162A - Advanced heat-resistant material : en fr
  • GB615327A - Production of metals and metal alloys : en
  • US2458192A - Automatic signal device for automobiles : en
  • FR941114A - Improvements to apparatus used for winding textile threads : en fr
  • FR941311A - Speed regulator for fans used to regulate the speed of boilers or similar applications : en fr
  • GB615289A - Improvements relating to electric discharge lamps : en
  • GB615548A - Improvements in fountain pen : en
  • US2457826A - Well surveying device : en
  • US2458443A - Razor blade sharpener : en
  • GB615215A - Improvements in and relating to reversible overriding clutches : en
  • GB615603A - Improvements relating to combined cigarette cases and friction lighters : en
  • US2458067A - Process for separating olefins from paraffins : en
  • US2458105A - Golf practice device : en
  • US2458248A - Hand driven device : en
  • US2458268A - Forced circulation electrically heated space heater : en
  • FR941242A - Electrode construction methods : en fr
  • US2458220A - Multiple spray gun : en
  • US2458389A - Centrifugally controlled planetary gearing : en
  • US2458286A - Phosphorescent pigment : en
  • US2458393A - Tool for turning threaded container caps : en
  • US2457957A - Insecticidal composition of pyrethrins and 3, 4-oxymethylene-phenyl-1-butylglycol synergist : en
  • US2458426A - Combined comb and hair curler : en
  • FR941264A - Universal reservoir pen holder system : en fr
  • CA453890A - Pulse generator : en fr
  • US2458383A - Exposure-indicating spool : en
  • US2458001A - Method of preparing an elastomer : en
  • GB615258A - Methods and means for casking and drawing-off beer and like liquids in a sterilized manner and protecting said liquids from air : en
  • GB615263A - Improvements connected with tubular drills for drilling bricks, tiles and the like : en
  • GB615268A - Improvements in and relating to gutter brackets : en
  • GB615581A - Process of manufacturing silica gel : en
  • GB615521A - Improvements in acylations with enol esters : en
  • GB615552A - Improvements in or relating to incendiary bombs : en
  • FR941275A - Improvements to electric cables : en fr
  • US2457842A - Freight container : en
  • US2458434A - Method and apparatus for regenerating moving bed particle form contact mass materials : en
  • US2457877A - Cooking unit : en
  • FR941225A - Improvements in the construction of welded containers : en fr
  • GB615174A - Improvements in composite metallic articles and method of forming the same : en
  • GR11905B - SPECIAL METALLIC THREAD SUITABLE FOR SUPPLY OF JEWELRY. : el en
  • GB615338A - Improvements in or relating to rotating-field motors : en
  • DK68271C - Process for the preparation of acylated, aliphatic α- or β-aminocarboxylic acid amides. : da en
  • DK68270C - Method for making water-insoluble high polymer potassium metaphosphates soluble. : da en
  • US2458174A - Bed lamp : en
  • US2458073A - Coating magnesium and magnesium alloys : en
  • GB615331A - Alternating current generator : en
  • FR941156A - Improvements to hand trolleys : en fr
  • CA453918A - Hydraulic lift truck : en fr
  • GB615531A - Electron discharge devices and associated cavity resonator circuits : en