• US2252696A - Method of preparing diethylstilbestrol and other stilbene derivatives, and intermediated therefor : en
  • US2253099A - Paper trimmer : en
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  • US2253102A - Method of reducing shrinkage of wool : en
  • US2253363A - Portable drill : en
  • AU113647B2 - Improved apparatus for coiling wire, particularly for use in the manufacture of barricades : en
  • US2252905A - Safety device for gas systems : en
  • US2253405A - Mounting for capacitor-motors : en
  • AU113573B2 - Improvements in and relating to means for converting liquid fuel into gas for use in an internal combustion engine : en
  • CA398728A - Disazo-dyestuff : en fr
  • US2253196A - Gas blast electric circuit breaker : en
  • US2253326A - Solvent treating of mineral oils : en
  • US2253183A - Spring drive mechanism : en
  • US2252739A - Process for removing condensates from gas : en
  • US2253040A - Socket for artificial limbs : en
  • US2253128A - Compounds of group iv-beta elements with alpha-beta unsaturated acids : en
  • US2252805A - Carrier controlled exhibitor : en
  • US2253489A - Metal finish : en
  • DE709464C - Mobile excavation shoring made from concrete or reinforced concrete fittings : de en
  • US2252993A - Material cutting and testing machine : en
  • US2252979A - Refrigeration apparatus : en
  • US2253030A - Push toy : en
  • US2253187A - Testing gas for the detection of carbon monoxide : en
  • US2253193A - Chassis for vehicles, especially tubular chassis for motor vehicles : en
  • US2253423A - Article carrier for automobiles : en
  • US2253078A - Photographic silver halide emulsion : en
  • CA398718A - Non-corrosive anti-freeze liquid : en fr
  • US2253311A - Ticket control device : en
  • USD129071S - Design fob a dress : en
  • FR866545A - Manufacturing process for primary amines : en fr
  • US2253174A - Measuring instrument : en
  • DE709469C - Control device for short-circuit and compressed air braked trains : de en
  • FR866557A - Nozzle used to supply gasifier fires : en fr
  • FR866622A - Improvements to color photography processes : en fr
  • AU399240A - Improvements in and relating to barrels, kegs andthe like : en
  • US2253430A - Radio cartographic position indicator : en
  • US2252690A - Material spreader : en
  • US2253403A - Welding apparatus : en
  • USD129037S - Design for a coat : en
  • DE709487C - Method for producing pores on running surfaces, in particular on aluminum pistons and cylinders of internal combustion engines : de en
  • GB538841A - Improvements in thread-winding machines : en
  • USD128957S - Design for a textile fabric : en
  • US2252783A - Loose leaf binder : en
  • US2253061A - Manufacture of fruit acids : en
  • DK58949C - Device for side guide strips for light-tight blinds. : da en
  • GB538874A - Improvements in or relating to petrol tanks : en
  • GB538881A - Improvements in or relating to liquid pressure motor cylinder devices, more particularly for operating soot blowers of boilers and the like : en
  • DK58951C - Spring base with longitudinal and transverse girders. : da en
  • US2252826A - Hydraulic jack : en
  • CA398711A - Dynamo-electric machine control system : en fr
  • US2253094A - Dispensing rack : en
  • US2253168A - Frictional clutch : en
  • US2253051A - Apparatus for feeding and clinching clinch-on nuts and the like : en
  • US2253362A - Metal remover for tobacco feeds : en
  • USD129032S - Design fob a dress : en
  • US2253096A - Mechanical horse : en
  • US2253445A - Rotary internal combustion engine : en
  • USD128996S - Design fob a hat : en
  • GB538835A - Water purifying apparatus : en
  • GB538876A - Manufacture of bricks and the like for heat and sound insulation : en
  • US2253012A - Ski-skate : en
  • US2252689A - Production of filaments, ribbons, and the like : en
  • US2253274A - Method of making pigments : en
  • AU113634B2 - Improvements relating to the lubrication of textile fibres and / or textile processing machinery : en
  • DE709563C - Applicator for cold glue or other liquids : de en
  • US2253126A - Refrigerating apparatus : en
  • US2253400A - Electric switch : en
  • USD128985S - Combined tie clip and extension pencil : en
  • DE709489C - Reflector housing for bicycle pedals : de en
  • US2252711A - Pressure fluid motor : en
  • US2253199A - Brake safety hanger : en
  • IT387830B - : it
  • GB538791A - An improved reinforced fish net : en
  • US2253013A - Airplane propeller : en
  • US2253046A - Discharge apparatus for pumps : en
  • CA398697A - Sliding window device : en fr
  • DE709576C - Iron or steel infantry bullet : de en
  • DE709671C - Valve or slide controlled reversible piston steam engine with rotating camshaft : de en
  • FR866504A - Fixing the floor to the side members of combat vehicles : en fr
  • USD128995S - Design for a hat : en
  • GB538806A - Improvements in or relating to indicating or recording devices : en
  • US2253158A - Rotary printing press ink fountain : en
  • US2253432A - Tap clamp : en
  • DE709682C - Carbon pressure regulating resistor, especially for sewing machine drives : de en
  • DE709529C - Sheeter : de en
  • GB538840A - Improvements in or relating to protective arrangements for the power supply to telephone or like systems : en
  • GB538882A - Improvements in or relating to liquid pressure remote control systems, more particularly for operating soot blowers of boilers and the like : en
  • GB538804A - An improved transportable shelter : en
  • DE709690C - Process for the preparation of N-substituted pyrazole anthrones : de en
  • FR866598A - Improvements to self-propelling projectiles : en fr
  • DE709612C - Method and arrangement for cooling deflagration internal combustion engines : de en
  • FR866509A - Improvements to processes for the construction of hollow bodies such as aircraft structures : en fr
  • US2253221A - Ignition mechanism : en
  • US2252802A - Gas producer : en
  • US2252780A - Fastening-inserting machine : en
  • US2253112A - Hydraulic control system : en
  • US2253254A - Animal trap : en
  • US2253450A - Automatic volume control system : en
  • US2252924A - Valve : en
  • US2253062A - Method of preparing fabric : en
  • DE709665C - Reaction device consisting of two bottoms provided with concentric cylinders : de en
  • US2252700A - Airline radio beam game : en
  • US2252708A - Electric piano construction : en
  • US2252730A - Method of treating and finishing cellulose and cellulosic fibers and products : en
  • US2253462A - Flatiron cord support : en
  • US2252886A - Stapling machine : en
  • US2253279A - Navigating instrument : en
  • US2252829A - Switch plate : en
  • FR866636A - Gasifier for all applications and in particular for motor vehicles : en fr
  • USD129020S - Design fob a dress : en
  • USD129072S - Design for a dress : en
  • FR866649A - Air-cooled nozzle : en fr
  • GB538963A - Improvements in or relating to piston rings and the like and the manufacture thereof : en
  • US2252915A - Container for liquids : en
  • GB538971A - Improvements in and relating to membranes made of rubber or the like : en
  • GR9617B - MECHANICAL GAS FILTER OUT OF AIR CONDITIONER. : el en
  • GB538976A - Improvements relating to containers of corrugated paper, fibre-board, straw-board orthe like : en
  • DE709534C - Double-sided loading frame for firearms : de en
  • US2252935A - Dentistry jaw : en
  • US2252781A - Apparatus for defibering and deinking papers : en
  • FR866616A - Process for the recovery of waste heat and / or useful substances originating, during the manufacture of cellulose, from sulphate or sulphite processes or other similar treatments : en fr
  • DE709632C - Process for the preparation of nitro dyes : de en
  • US2253055A - Exposure control apparatus : en
  • FR866573A - Mechanically expanded rivet, and tools for installation : en fr
  • GB538884A - Manufacture of sulphonamide derivatives : en
  • USD128990S - Design for a sweater : en
  • DE709574C - Device for collecting and reusing the contents of filling hoses : de en
  • US2253049A - Method amd apparatus fob automati : en
  • DE709462C - Guns, especially for armored towers : de en
  • DE709684C - Control device for the electromotive drive of the bucket chains of excavators : de en
  • US2252723A - Halogen-alkyl amidines and process of preparing same : en
  • US2252784A - Heating and air conditioning unit : en
  • US2253479A - Motor vehicle : en
  • US2252801A - Automatic control for water-gas plants or the like : en
  • US2253289A - Suction cleaner : en
  • US2252874A - Pressure indicator : en
  • US2253470A - Chlorination of titanium bearing materials : en
  • US2252754A - Gas-operated automatic firearm : en
  • US2252992A - Baby panties : en
  • DE709668C - Process for the preparation of ª ‰ -monohalogen-substituted homologues of acetic acid : de en
  • FR866603A - Improvements to drawing devices : en fr
  • US2253225A - Spark plug cleaner : en
  • US2253270A - Gear : en
  • FR866591A - Improvements to bottle washing machines : en fr
  • US2252969A - Web roll controlling mechanism : en
  • USD129097S - Design for a dress : en
  • GB538867A - Improvements in or relating to casting of pistons and similar cup-shaped articles : en
  • USD128931S - Design foe a jewelry clip : en
  • FR866638A - Tool controller and tool holder suitable for engraving, chasing, chiselling and other delicate work : en fr
  • US2253118A - Pneumatic connection : en
  • US2253255A - Laminated spring : en
  • US2253305A - Automotive vehicle brake system : en
  • USD129066S - Bress ensemble : en
  • US2252779A - Container and method of making the same : en
  • US2253009A - Circuit interrupter : en
  • DE709635C - Mortar-free masonry made of refractory bricks : de en
  • DE709664C - Umfuehrungseinrichtung for wide strips and similar rolling stock : de en
  • GB538892A - Improvements in or relating to typographical slug casting machines : en
  • US2253120A - Printing press : en
  • US2253243A - Bucket and mop wringer : en
  • DE709567C - Device for the first establishment of a uniform heat distribution in the housing of rotary piston machines, in particular of air or gas compressors : de en
  • US2253272A - Nozzle holder : en
  • US2252984A - Compounded hydrocarbon oil : en
  • USD128989S - Design for a skirt : en
  • AU113649B2 - Improvements in or relating to electric calculator equipment : en
  • US2253358A - Seismic exploration method : en
  • US2252892A - Apparatus for holding and grinding flexible blades : en
  • US2253033A - Fan motor frame construction : en
  • FR866521A - Beater and semi-automatic playing card dispenser : en fr
  • DE709526C - Photoelectric device, in particular for displaying interruptions and / or gaps in paper webs of rotary printing machines : de en
  • US2253397A - Ice breaking tool : en
  • DE709535C - Arrangement for the alternate remote transmission of values measured at any distance from one another : de en
  • GB538935A - Deposition former and process for the production of rubber bathing suits : en
  • DE709653C - Manufacture of cryolite : de en
  • DE709465C - Deep drilling method : de en
  • DE709505C - Receiver for television broadcasts with audio accompaniment : de en
  • GB538872A - The manufacture of composite metal articles : en
  • USD128949S - Design for a finger ring : en
  • USD129000S - Design fob a hat : en
  • GB538902A - Improvements in or relating to lifting surfaces of aircraft and the like : en
  • GB538954A - Improvements in building constructions : en
  • GB538972A - Improvements in or relating to type-bar mechanism for typewriters : en
  • US2252710A - Radio alarm system : en
  • US2253382A - Thermostatic member : en
  • US2252732A - Method of treating cellulose textile material : en
  • US2253291A - Process for the manufacture of hollow rotating bodies : en
  • US2253323A - Production of drying oils : en
  • US2252763A - Scraper : en
  • US2253281A - Draft check : en
  • US2253443A - Photoflood light reflector : en
  • USD129044S - Design for a textile fabric or similar article : en
  • US2253484A - Tuning mechanism : en
  • GR9622B - SEWING, MINTING AND EMBROIDERY YARN WINNING MACHINE. : el en
  • US2252796A - Control mechanism : en
  • DK58956C - Machine for Manufacturing Cylindrical Cardboard Cases. : da en
  • DE709561C - Switching device with gear preselection for change gears of motor vehicles, especially motorcycles with foot shift : de en
  • US2253010A - Extension table : en
  • US2253455A - Fuel injection apparatus for internal combustion engines : en
  • DE709577C - Securing and camouflaging armor plates, etc. : de en
  • US2252791A - Refrigeration : en
  • US2252983A - Electric circuit breaker : en
  • US2253384A - Oven door construction : en
  • GB538846A - New organic nitrogen compounds and their application : en
  • DE709568C - Thin-walled sheet metal mold for the production of gas protective masks with a rubber sealing frame : de en
  • DK58958C - Firebomb extinguisher. : da en
  • GB538879A - Improvements in or relating to liquid pressure remote control systems for operating soot blowers of boilers and the like : en
  • AU294140A - Improved polymeric materials : en
  • US2253149A - Electric razor : en
  • USD128954S - Design fob a casing for a bowling ball stop : en
  • US2252854A - Tubular container : en
  • FR866535A - Electric converter : en fr
  • DE709618C - Lettering made of rubber for printing on non-absorbent material : de en
  • FR866506A - Improvements made to the manufacture of electrodes and spark plugs : en fr
  • FR866605A - Improvements to reaction lamp devices : en fr
  • US2252900A - Pellet forming apparatus : en
  • DE709696C - Protection device for motor vehicle engines against overload : de en
  • US2252861A - Tractor : en
  • US2253034A - Manufacture of ketones and aldehydes : en
  • DE709608C - Electric motor drive for winding machines for paper, cloth and similar materials : de en
  • US2252917A - Quick drying printing ink and method of preparation : en
  • USD129009S - Lace curtain or similar article : en
  • FR866558A - Wheel drive device for tractors, tillers and agricultural machinery and machinery : en fr
  • US2252968A - Furnace : en
  • US2253413A - Spindle drive control for machine tools : en
  • US2253482A - Ice cream vending machine : en
  • USD129060S - Design fob a dress : en
  • US2253418A - Air conditioning apparatus : en
  • US2253167A - Sulphur dyestuff : en
  • US2253026A - Electrical condenser : en
  • US2253330A - Vehicle : en
  • US2253247A - Storage battery : en
  • DE709480C - Process for the production of chalice glasses (stem glasses) : de en
  • US2252901A - Disconnecting switch : en
  • US2253233A - Sewing machine : en
  • US2253257A - Door latch : en
  • USD128969S - Hand carried traffic signal : en
  • USD128980S - Display mount for backed photographic figures : en
  • USD129011S - Design for a shoe : en
  • GB538952A - Improvements in or relating to hydraulic means for automatically taking up clearance in valve-actuating tappets : en
  • FR866584A - Automobile war machine for the destruction of fortified lines : en fr
  • FR866527A - Brake improvements : en fr
  • DE709648C - Device for the automatic monitoring of the correct direction of travel for the driver of rail-less vehicles that are electrically powered by means of overhead lines : de en
  • GB538813A - Improvement in treatment of synthetic textile yarns or threads : en
  • GB538851A - Method of scoring a shoe sole : en
  • US2253121A - Wire handling implement : en
  • GB538820A - Improvements in torque reaction dynamometers : en
  • US2253048A - Fishing line : en
  • DE709636C - Reusable container for dental impression material : de en
  • DE709638C - Process for the production of synthetic resins : de en
  • US2252977A - Roller for roller bearings : en
  • US2253077A - Sewing machine : en
  • DE709515C - Electromagnetic multi-disc clutch : de en
  • US2252911A - Hair curling appliance : en
  • DE709675C - Arrangement for demodulating amplitude-modulated oscillations : de en
  • DE709519C - Arrangement for the display of the approach to the inflated flight condition : de en
  • USD128944S - Design for a shoe : en
  • US2252746A - Television device : en
  • US2253211A - Print wrapping mechanism : en
  • US2253451A - Hen's nest : en
  • GB538866A - Process for obtaining carbon dioxide from flue gases : en
  • GB538974A - Improvements in and relating to machines for applying crown corks to bottles, cans and the like : en
  • GB538898A - Improvements in "spot" adjusting mechanism for use in, for example, radio transmitters : en
  • FR866619A - Process for the preparation of diaminodiphenylsulphone derivatives : en fr
  • CA398757A - Printing scale : en fr
  • GB538895A - Improvements in or relating to type setting or stamping devices : en
  • GB538800A - Improvements in or relating to coke oven regulating apparatus : en
  • DE709607C - Air guiding device for electric ovens working with air circulation : de en
  • USD129019S - Design fob a dress : en
  • FR866538A - Improvements to four-stroke cycle engines giving a? explosion per turn : en fr
  • DE709516C - Friction disc gear with infinitely variable transmission ratio : de en
  • DE709569C - Process for the electrolytic extraction of tin from tinned waste material, in particular tinplate waste : de en
  • DE709694C - Guide stick holder : de en
  • GR9621B - METHOD AND MEANS OF RENEWAL OF DESTROYED NATURE RENAISSANCE. : el en
  • DE709594C - Speed change and reverse gear : de en
  • DE709599C - Epicyclic change and reversing gears, especially for vehicles : de en
  • US2253459A - Friction clutch : en
  • USD129004S - Design for a dress ensemble : en
  • FR866530A - Pest control product : en fr
  • GB538812A - Means for maintaining equality of speed and for the remote control of prime mover power units : en
  • AU113628B2 - Improved striker nose for weaving loom balance pick wheels : en
  • CA398719A - Non-corrosive alcohol anti-freeze liquid : en fr
  • US2252743A - Method of and machine for producing gears : en
  • FR866539A - Improvements made to pots used to collect resin from pine trees or other natural sap : en fr
  • GB538821A - Improvements in and relating to manifolding apparatus for typewriting machines : en
  • US2252825A - Automatic coin-controlled electrically operated step-by-step mechanism : en
  • US2253071A - Portable electric sprayer : en
  • FR866571A - Camouflage process reducing or completely canceling, depending on the case, the visibility of airplanes in flight : en fr
  • FR866637A - Stamping die for sound recording films with mechanical sound recording and method of producing sound recording films by using the die : en fr
  • DE709660C - Process for the production of a high-protein fodder : de en
  • FR866578A - Further training for processors : en fr
  • US2253024A - Folding bassinet : en
  • GB538897A - Process for glazing fabrics and yarns : en
  • FR866610A - Treatment of iron and steel objects to impart a colored finish : en fr
  • GB538944A - Water purifying and softening apparatus : en
  • USD129059S - Design for a dress : en
  • DE709598C - Spring-loaded self-closing valve for nozzles on fire extinguishers : de en
  • DE709678C - Adjustment device for radio receivers : de en
  • AU113607B2 - Improved machine for moulding and capping meat pies andthe like : en
  • CA398752A - Cellulose and product treating method : en fr
  • US2252887A - Electrical machine : en
  • US2253031A - Brake head wear element : en
  • AU299140A - Improvements inthe precipitation of titanium compounds bythe hydrolytic decomposition of titanium-containing solutions : en
  • DE709659C - Process for the production of laminated glasses and similar laminated bodies : de en
  • GB538958A - Improvements in the production of coloured products containing organic film-forming substances : en
  • US2253230A - Safety inner tube for pneumatic tires : en
  • US2253339A - Underskirt : en
  • US2252735A - Strip feeding and severing apparatus : en
  • US2252890A - Pulp screen : en
  • US2252974A - Crankcase ventilating system : en
  • US2252759A - Tire chain or similar device : en
  • US2253189A - Transmission device : en
  • AU91440A - Improvements in or relating to electron discharge devices : en
  • DE709468C - Liquid level indicator : de en
  • DE709649C - Military helmet : de en
  • GB538951A - Improvements in and relating to rotary pumps : en
  • DE709474C - Circuit arrangement for telecommunications systems, especially telephone systems, with company lines : de en
  • GB538910A - Automobile lifts : en
  • DE709666C - Process for the production of monobasic aluminum sulfite : de en
  • US2252851A - Method of making a jewelry article : en
  • US2253228A - Lubricating oil composition, inhibitor therefor, and method of manufacturing the same : en
  • US2253440A - Hacksaw : en
  • CA398748A - Wire insulating apparatus : en fr
  • AU113630B2 - Improvements in or relating to electric communication systems : en
  • DE709685C - Arrangement for the automatic regulation of the feed rate at the feed of the cutting tool effecting devices for gates, cutting saws and circular saws for stone processing : de en
  • US2253422A - Blade holder : en
  • US2252970A - Chair back construction : en
  • US2253084A - Focal plane shutter : en
  • CA398691A - Garment : en fr
  • US2253021A - Projectile : en
  • US2253097A - Beat-up mechanism of looms for weaving : en
  • AU113645B2 - Improved mouldboard plough bottom : en
  • US2253134A - Air deflecting apparatus for vehicles : en
  • US2253165A - Tap-changing system : en
  • USD129067S - Dress ensemble : en
  • DE709606C - Device for switching a stack of painted paper as required : de en
  • AU113621B2 - Improvements in and relating to barrels, kegs andthe like : en
  • CA398698A - Work handling device : en fr
  • GB538839A - Improvements in or relating to circular knitting machines and the product thereof : en
  • US2253204A - Internal combustion engine ignition system : en
  • US2252999A - Article and process for the manufacture thereof : en
  • FR866550A - Selvedge yarn shuttle for ribbon looms of the kind in which the weft spool remains outside the warp : en fr
  • USD128963S - Design for lace : en
  • USD129029S - Design fob a dress : en
  • US2253268A - Brake mechanism : en
  • US2252838A - Governor : en
  • US2252966A - Lock : en
  • US2253410A - Vacuum breaker : en
  • US2252725A - Phenolic sugar alcohol : en
  • US2253348A - Pan dump mechanism : en
  • USD128930S - Design for a jewelky clip : en
  • CA398677A - Paper making machinery : en fr
  • DE709479C - Manufacture of a substance containing luminescent zinc sulfide or zinc cadmium sulfide : de en
  • US2253147A - Supervisory control system : en
  • USD128982S - Design for a shoe : en
  • US2253250A - Sterilizing and storage cabinet : en
  • USD129092S - Design for a dress : en
  • US2252944A - Railway axle box pedestal structure : en
  • GB538981A - Improvements in or relating to x-ray apparatus : en
  • US2253002A - Garment bag : en
  • AU344140A - Improvements in remote indicating compasses : en
  • AU411740A - An improved device for rolling cigarettes : en
  • DK58950C - Arrangement of a separable joint between a tubular element and one perpendicular to this extending element. : da en
  • FR866596A - Improvements made to two-stroke thermal engines with crankshaft or similar, in particular to those with opposed pistons : en fr
  • US2253058A - Drive mechanism for axle driven speed responsive devices for railway trains : en
  • GB538893A - Improvements in or relating to stretchers : en
  • AU83641A - Improvements in or relating to electric communication systems : en
  • CA398679A - Churning device : en fr
  • US2253377A - Cutting or welding and heat-treating apparatus : en
  • GB538794A - A new or improved bullet-proof petrol tank : en
  • US2252995A - Toy vehicle : en
  • GB538915A - Improvements in or relating to fuel injection apparatus for internal combustion engines : en
  • FR866631A - Improvements made to free-piston machines, in particular to auto-generators of this type : en fr
  • DE709627C - Coin phone with automatic charging according to time and zone : de en
  • US2253302A - Sound on film : en
  • US2253369A - Over-quota control system for elevators : en
  • USD128988S - Combined score table and score projector or similar article : en
  • DE709588C - Process for the manufacture of blankets for vehicle tires : de en
  • DE709643C - Springless valve, especially for piston compressors : de en
  • DE709566C - Protective device for the DC exciter circuit of AC machines : de en
  • DE709513C - Door sealing using a compressed air hose and a compressed air feed device : de en
  • US2253283A - Carton handling and unloading machine : en
  • DE709500C - Power take-off device arranged on aircraft engines for drawing greater power : de en
  • DE709642C - Welding socket connection : de en
  • FR866536A - Improvements to electrical installations on board vehicles : en fr
  • DE709542C - Circuit for occupying a connection path consisting of a call finder and a number stream receiver : de en
  • FR866519A - Process for preparing plastic or coating compositions containing a mixture of alkyl resins and aminotriazine : en fr
  • US2253114A - Pump jack : en
  • GR9616B - METHOD OF CONNECTION OF GAS SUPPLY OF EXTERIOR APPLIANCE TO INTERNAL COMBUSTION ENGINE. : el en
  • US2252797A - Automobile door handle remover : en
  • USD128942S - Air conditioning apparatus or similar article : en
  • US2252836A - Belting and lining material : en
  • US2252963A - Support : en
  • US2253079A - Electrical transmission circuit : en
  • US2253069A - Core covering apparatus : en
  • FR866614A - Manufacturing process of bleaching earths very activating by attack with sulfuric acid : en fr
  • DE709495C - Process for the production of a potato starch product suitable as a thickener for printing pastes : de en
  • US2253408A - Motor driven vehicle : en
  • DE709520C - Trigger device for air guns with a spring-loaded striking piece : de en
  • DE709609C - Arrangement for locking ion valves in converter circuits in the event of overload or backfire : de en
  • US2253074A - Projectile : en
  • US2253132A - Dental instrument : en
  • USD128981S - Design for a shoe : en
  • US2252947A - Speed control for motor vehicles operated by internal combustion engines : en
  • US2252908A - Mousetrap : en
  • DE709595C - Device for melting a metallic coating on a metal pipe : de en
  • US2252971A - Miniature saddle : en
  • USD128929S - Design for a bracelet : en
  • US2253106A - Chuck : en
  • US2253421A - Method and apparatus for deoxidizing and degasifying liquid steel : en
  • US2253453A - Machine for reducing lumber to desired lengths : en
  • US2252787A - Glass cleaning apparatus : en
  • US2252868A - Exercising device : en
  • US2253214A - Processor : en
  • US2253282A - X-ray film holder : en
  • GB538919A - Improvements relating to slicing machines : en
  • FR866513A - Device showing resonance curves of large bandwidths : en fr
  • US2253340A - Voltage control of direct-current generators : en
  • USD129021S - Design for a dress : en
  • DE709697C - Process for the production of poppet valves for internal combustion engines : de en
  • FR866621A - Intermediate wheel lifting device : en fr
  • US2252686A - Pail bail : en
  • US2252768A - Knitted stocking and method for making the same : en
  • US2253365A - Control system : en
  • DK58953C - Measuring device for Butter and other edible fats. : da en
  • US2252803A - Jet digger suction head : en
  • FR866597A - Injector for liquid fuels : en fr
  • US2253060A - Coating apparatus : en
  • US2253251A - Sterilizing and storage cabinet : en
  • GB538924A - Improvements in and relating to electric resistance heating elements : en
  • DE709633C - Coating agent : de en
  • FR866562A - Typewriter Improvements : en fr
  • FR866523A - Motorcycle on skis : en fr
  • FR866595A - Vehicle seats that can receive stretchers : en fr
  • US2252733A - Form bursting and stacking apparatus : en
  • US2253191A - Dynamoelectric machine : en
  • US2253427A - Curtain rod of the railway type : en
  • US2253473A - Smoker's device : en
  • US2253156A - Shaving apparatus : en
  • USD129054S - Design fob a coat : en
  • GB538906A - Improvements in or relating to devices for conditioning grain : en
  • DE709509C - Device for automatic insertion of double edge rods on flat weft knitting machines : de en
  • FR866522A - Improvements to drum brakes and internal shoes : en fr
  • USD129026S - Design fob a dress : en
  • FR866555A - Runner closure and its manufacturing process : en fr
  • US2252726A - Apparatus for exercising and training eyes : en
  • US2253420A - Tractor : en
  • USRE21880E - Road join : en
  • DE709512C - Carrying device for military equipment : de en
  • DE709591C - Bearing with rotatable bearing bush : de en
  • US2252907A - Fountain pen : en
  • FR866645A - Improvements to electrical conductors and electrical installations comprising these conductors : en fr
  • DE709680C - Device for remote tuning of receivers by means of a motor : de en
  • US2252767A - Standing valve puller : en
  • USD128932S - Design foe a jewelry clip : en
  • US2253227A - Lubricating oil composition, inhibitor therefor, and method of manufacturing the same : en
  • US2253242A - Desizing textiles with chlorite : en
  • US2253444A - Syringe hanger : en
  • US2252712A - Clay gun : en
  • US2253465A - Sausage stuffing apparatus : en
  • DE709617C - Process for the preparation of AEtiocholylglyoxalen : de en
  • GB538786A - Improvements in or relating to switching means in presses for vulcanising indiarubber footwear or the like : en
  • GB538903A - Temperature control of contact reactions : en
  • GB538842A - Improvements relating to the manufacture of crepe yarn and crepe fabric : en
  • GB538941A - Improved fastener for cycle pannier bags, haversacks, school and other bags : en
  • DE705542C - Buckling and scraping device for bast fiber stalks : de en
  • GB538815A - Tool for use in assembling and dis-assembling metal machine gun cartridge belts and their cartridges : en
  • FR866560A - DC meter : en fr
  • US2252879A - Production blade grinder : en
  • USD128964S - Design for lace : en
  • GB538940A - Improvements in cathode constructions for x-ray tubes : en
  • DE709546C - Arrangement for the low-loss generation of a large voltage change in a certain area depending on a small change in a variable to be monitored : de en
  • FR866586A - Process for useful treatment of copper slag from smelter furnaces thrown into landfills as well as ores low in copper : en fr
  • US2253151A - Calaking equipment : en
  • US2253152A - High speed reciprocating ram pump : en
  • US2253464A - Binder for sheaves and the like : en
  • US2252937A - Lehr loader : en
  • USD129043S - Design for a coat : en
  • US2253086A - Color photography : en
  • AU347740A - Improvement in band-pass filters including trap circuits : en
  • US2253244A - Inseam shoe sewing machine : en
  • US2252860A - Brake mechanism for vehicle road wheels : en
  • CA398737A - Automobile heating device : en fr
  • AU113612B2 - Improvements relating to steam generators : en
  • AU341740A - Improvements in and relating to wooden ladders : en
  • CA398714A - Vacuum-tight insulated lead-in structure : en fr
  • AU281840A - Devices and methods for saving fuel : en
  • AU113605B2 - Improvements in automatic seals for containers : en
  • US2253477A - Apparatus for fabricating tubular structures : en
  • CA398750A - Engine governor : en fr
  • FR866493A - : fr
  • AU113635B2 - Devices and methods for saving fuel : en
  • CA398747A - Boiler staybolt : en fr
  • GB538979A - Improvements relating to manhole covers : en
  • US2252698A - Universal nozzle : en
  • US2252807A - Coke oven charging mechanism : en
  • US2252848A - Bottle carrier : en
  • USD128978S - Design fob a textile fabric : en
  • DE709528C - Amplifier with negative feedback for the amplification of a wide frequency range that is impressed on it : de en
  • CA398675A - Clamping device for riveting : en fr
  • DE709578C - Control for a compressed air fluid conveyor for venting the conveyor tank : de en
  • GB538789A - Improvements in means for timing the accessories of internal-combustion engines : en
  • DE709491C - Machine for applying glue to parts of shoes, especially for cracks in shoe soles : de en
  • GB538819A - Tension-releaser for sewing machines : en
  • DE709530C - Devices on photographic recording apparatus with a finder device : de en
  • USD129008S - Design fob a textile fabric or similar article : en
  • US2252923A - Valve : en
  • US2253351A - Energy translating apparatus : en
  • CA398690A - Rag picker cylinder lag block : en fr
  • CA398717A - Vacuum-tight insulated lead-in structure : en fr
  • US2252948A - Garbage and trash disposal boat : en
  • DK58942C - Procedure for the Preparation of Tertiary Alcohols from the Androstan Series. : da en
  • FR866566A - Rolling device for checking railway tracks : en fr
  • DE709463C - Rohrrücklaufgeschuetz : de en
  • USD129005S - Design for a handbag : en
  • US2253115A - Mechanical gas pressure device : en
  • DE709473C - Circuit arrangement for telephone systems with main and sub-offices and dialer operation : de en
  • DE709619C - Carbonless plate : de en
  • GB538875A - Improvements in and relating to spirit levels : en
  • US2253063A - Golf practicing and scoring device : en
  • US2252889A - Car construction : en
  • USD129084S - Design for a dress ensemble : en
  • GB538959A - Improvements in the production of cellulose esters : en
  • DE709687C - Electric switch with fault current release, especially as protection against contact : de en
  • DE709503C - Concept holder : de en
  • FR866517A - Process for preparing ketones : en fr
  • US2252747A - Neutralizing arrangement for telegraph circuits : en
  • US2252922A - Ophthalmic mounting : en
  • DE709667C - Process for the production of lubricating oil : de en
  • FR866594A - Combined rotary and longitudinal movement device : en fr
  • US2252788A - Vane rotor : en
  • USD129089S - Design for a dress : en
  • US2252834A - Roof flashing : en
  • USD129024S - Design fob a dress : en
  • US2253449A - Cultivator staff : en
  • USD129017S - Design fob a dress : en
  • DE679032C - Slideway for sports, amusement and artistic purposes, especially for skiing : de en
  • US2253318A - Impedance device : en
  • DE709646C - Alkaline cartridge for oxygen breathing and rescue equipment : de en
  • DE709655C - Device for the automatic regulation of company sizes : de en
  • FR866540A - Method and machine for reinforcing footwear : en fr
  • US2253157A - Process for producing cellulose sheets and films : en
  • US2253145A - Gaseous conduction device : en
  • US2253194A - Means for differentially selecting coins, tokens, and the like : en
  • US2253223A - Binding-post and jack-plug unit for electrical installations : en
  • DK58943C - Telegraph relay. : da en
  • US2253057A - Needle element for knitting machines : en
  • US2252740A - Catalytic cracking : en
  • US2252975A - Directional signal : en
  • US2253037A - Dry shaver cutter head : en
  • US2253190A - Suspension of vehicles : en
  • US2252941A - Oscillating circuits for electrotherapeutics : en
  • US2252967A - Gearing : en
  • USD128987S - Newel post for bowling ball racks or the like : en
  • GB538873A - Improvements in or relating to petrol tanks : en
  • DE709532C - Sausage sleeve as a replacement for a pork fat end with a crown : de en
  • AU113604B2 - Improved process forthe production of composite blocks, planks or boards from wood laminae : en
  • CA398694A - Stake socket : en fr
  • GB538852A - Method of molding a shoe sole : en
  • US2253374A - Woven fabric : en
  • US2252821A - Multicolored laminated resin product : en
  • USD129038S - Design foe a bathtub : en
  • GB538928A - System and apparatus for automatic facsimile telegraphy : en
  • DE709485C - Turning device for internal combustion engines : de en
  • FR866646A - Sunflower tincture manufacturing process : en fr
  • DE709601C - Device for electrical remote display of the position of a measuring device : de en
  • FR866587A - Machine gun silencer : en fr
  • FR866604A - Air conditioning installation, for constant pressure chambers : en fr
  • US2252863A - Quaternary ammonium salts : en
  • US2252925A - Double snap fastener and installation of the same : en
  • US2253269A - Wiper : en
  • US2253192A - Method of dressing and treating furs : en
  • DE709620C - Switch lantern for gas lighting : de en
  • US2253043A - Cooking temperature guide : en
  • US2253229A - Calculating machine : en
  • AU113622B2 - An improved device for rolling cigarettes : en
  • GR9614B - HOW TO MAKE A BEVERAGE IN FRYED SISAMOPITTA. : el en
  • DE709466C - Steam boiler flame tube with smooth shots : de en
  • US2252800A - Operating device for water-gas plants, blast-furnace stoves, or the like : en
  • US2253159A - Vacuum pump apparatus : en
  • US2253222A - Pontic insert and dental bridge : en
  • FR866575A - Hydraulic transmission : en fr
  • CA398736A - Fender, shield and assembly : en fr
  • US2253125A - Fisching hook, particularly for the catching of big fish : en
  • US2253485A - Electrical prospecting method and apparatus : en
  • USD128993S - Design fob a hat : en
  • US2252981A - Resistor and method of making same : en
  • US2253107A - Color index device : en
  • USD129033S - Design for a dress : en
  • US2252843A - Mono-azo dyestuffs insoluble in water : en
  • USRE21878E - Method and apparatus fob : en
  • US2253220A - Spark plug : en
  • US2253375A - Welding : en
  • US2252713A - Local anesthetic intermediate and process for manufacturing the same : en
  • USD129096S - Design for a deess : en
  • DE709593C - A valve consisting of two valve bodies connected in series and acting in one direction : de en
  • US2252945A - Method of and apparatus for making composite bearing strip : en
  • US2252956A - Building construction element : en
  • US2252973A - Method for testing and producing the fluids of the earth formations encountered in wells : en
  • US2253054A - Device for measuring flatness of glass : en
  • US2252930A - Handle for baskets and like receptacles : en
  • USD128953S - Masking unit for bowling alley pin setters or the like : en
  • AU298040A - Ultra high frequency oscillation generating systems : en
  • US2252847A - Combination mute : en
  • US2253155A - Apparatus for stacking glassware : en
  • AU26841A - Improvements relating to key-carrying devices : en
  • USD128979S - Design foe a jewelry finding : en
  • FR866516A - Carriage for firearms placed in or behind shelters : en fr
  • AU113639B2 - Explosives : en
  • US2252744A - Cathode ray tube : en
  • US2253185A - Electric discharge apparatus : en
  • USD128994S - Design for a hat : en
  • US2253014A - Phonograph record : en
  • USD128984S - Design for a clock : en
  • US2252737A - Hinge construction for upward acting doors : en
  • US2253262A - Apparatus for boiling aqueous starch mixtures : en
  • US2252942A - Metal spray gun : en
  • US2252987A - Internal combustion engine : en
  • AU113641B2 - Improvements in and relating to wooden ladders : en
  • US2252742A - Eyelash curler : en
  • US2252919A - Multiwave variable resonator : en
  • US2252682A - Photographic objective : en
  • USD129101S - Design for a dress : en
  • AU113650B2 - Improvements in or relating to transmission systems employing pulse modulation : en
  • US2252816A - Tool for applying window sash springs : en
  • US2253006A - Apparatus for hydrocarbon oil conversion : en
  • USD129002S - Design for a hat stiffener : en
  • CA398733A - Methane nitrating process : en fr
  • US2253148A - Power take-off mechanism : en
  • FR866549A - Improvements to electrical appliances : en fr
  • USD129030S - Design fob a dress : en
  • US2252991A - Friction material and method of making same : en
  • GB538909A - Improvements in or relating to the production of glycollic acid derivatives : en
  • GB538939A - Improvements relating to bearings for rotatable members : en
  • USD128936S - Capsule container and dispenser : en
  • FR866574A - Anti-aircraft machine gun carriage : en fr
  • DE709604C - Method and device for the production of concrete moldings : de en
  • DE709621C - Device for the transmission of messages via a line common to several transmitter stations to a main station, in particular for monitoring railway traffic : de en
  • FR866590A - Extendable connecting rod for transmission : en fr
  • GB538809A - An improved spherical inflatable, athletic game ball and method of making same : en
  • DE709518C - Thread milling machine : de en
  • DE709670C - Valve-controlled piston steam engine : de en
  • FR866563A - : fr
  • FR866565A - Wave transmission networks : en fr
  • US2252904A - Clip device : en
  • US2252939A - Feeding device : en
  • US2253166A - Hydroxyalkyl mono ethers of p, p'-dihydroxy diphenyl amines and process for making same : en
  • FR866551A - Addition of elastic links in the crank devices, the bicycle crankset particularly to improve performance : en fr
  • FR866640A - Improvement in gasifiers : en fr
  • FR866518A - Process for the manufacture of packaging for jams or the like and machine for its implementation : en fr
  • US2252841A - Machine tool : en
  • US2253438A - Tractor with gas producer arranged thereon : en
  • DE709533C - Double-sided loading frame for firearms : de en
  • DE709571C - Button with a fabric-covered upper part and a lower part that can be pressed into this : de en
  • DE709615C - Template for applying glue to the edge of individual documents : de en
  • DE709461C - Sealing strip for car bodies, especially for doors and windows of motor vehicles : de en
  • FR866579A - Sizing product and resulting new industrial products : en fr
  • US2252934A - Cough drop : en
  • US2253201A - Magneto with protective mechanisms : en
  • GB538844A - Improvements in or relating to automatic selecting switches : en
  • DE709522C - Safety and shock contact : de en
  • GB538793A - Improvements in combinations of a hpmv lamp with means for cooling it : en
  • DE709575C - Control of impeller propellers : de en
  • GB538925A - Improvements in agricultural rakes : en
  • DE709545C - Mesh network for high load density : de en
  • DE709556C - Arrangement of the drive for a non-self-priming centrifugal pump : de en
  • GB538836A - Improvements in furnaces for boilers for hot-water supply and heating installations : en
  • DE709590C - Altimeter : de en
  • DE709629C - Arrangement for the operation of rectifiers, whose grid circles receive a phase-variable control AC voltage : de en
  • CA398716A - Vacuum-tight insulated lead-in structure : en fr
  • US2252790A - Inking apparatus : en
  • USD129093S - Design for a dress : en
  • US2252798A - Dental forceps : en
  • US2253129A - Circuit interrupter : en
  • USD129041S - Design for a coat : en
  • DK58948C - Compressor or Pump. : da en
  • FR866570A - Process for preparing oxyaryl-aminomethyl ketones : en fr
  • USD128948S - Design fob a shoe : en
  • USD128952S - Masking unit for bowling alley pin setters or the like : en
  • USD129049S - Design for a coat : en
  • DE709475C - Manufacture of a highly active depolarizer from natural brown stone : de en
  • FR866572A - Improvements to pocket electric batteries and pocket boxes : en fr
  • US2253321A - Arc welding system : en
  • GB538816A - Improvement in closures for washing machine cylinders : en
  • CA398696A - Sleigh runway : en fr
  • US2252721A - Cyclic amidine : en
  • US2252982A - Apparatus for conditioning air : en
  • GB538975A - Improvements in and relating to crowning machines for bottles and the like : en
  • FR866626A - Improvements to graphitic surface coatings : en fr
  • DE709267C - Aircraft piston internal combustion compressor : de en
  • DE709502C - Device for removing rolled-in boiler tubes : de en
  • US2253038A - Knockdown cabinet : en
  • DE709692C - Wet ash removal device, especially for grate firing : de en
  • GB538834A - Improvements in or relating to machines adapted for shaping shoe upper parts : en
  • GB538864A - Protective apparatus for electrical distribution networks : en
  • FR866644A - Process for the manufacture of a coffee substitute : en fr
  • FR866528A - Illuminating projectile : en fr
  • FR866534A - Delayed automatic electric circuit breaker : en fr
  • FR866559A - Gas generator for powering automobile engines and its accessories : en fr
  • GB538831A - Improvements in construction of primary electric cells : en
  • DE709584C - Process for the production of azo dyes : de en
  • US2252770A - Light sensitive electrode and method of manufacture : en
  • US2252846A - Acoustic device : en
  • US2253067A - Production of rubber threads : en
  • US2253267A - Alternating current vibratory apparatus : en
  • US2253406A - Air delivery device : en
  • GB538929A - Improvements in or relating to the softening or purification of water : en
  • US2253041A - Radiator grille guard : en
  • DE709657C - Oxidation inhibitor in lubricating oils : de en
  • USD129085S - Design for a dress ensemble : en
  • GB538843A - Improvements in or relating to arrangements for charging secondary electric batteries : en
  • US2253172A - Table : en
  • US2253314A - Time delay relay : en
  • AU113616B2 - Improvements in reaction propulsion engines : en
  • AU300640A - Electromagnetically driven hydraulic pump comprising an oscillating pump membrane and operating according tothe principle of resonance : en
  • CA398706A - Electronic tube cathode : en fr
  • US2252880A - Smoking pipe : en
  • US2253224A - Plugging device : en
  • CA398729A - Liquid dispensing apparatus : en fr
  • US2252938A - Joint : en
  • US2253396A - Intermittent flow device : en
  • US2253271A - Mixing machine : en
  • US2253232A - Pipe coupler latch : en
  • US2253393A - Method of connecting carrier frequency to a double circuit : en
  • US2253446A - Buckling folding machine : en
  • US2252814A - Coal drying apparatus : en
  • US2253277A - Glass feeding device : en
  • US2252823A - Apparatus for shot blasting leaf springs : en
  • US2252959A - Process for treating pipe-line oil : en
  • US2252909A - Grading machine : en
  • US2253136A - Electric connecting panel : en
  • DE709624C - Four-wire telephone transmission system with amplitude filters, which are used at the same time for echo suppression : de en
  • GB538977A - Improvements relating to lifting hand trucks, and to raised platforms for use therewith : en
  • US2252844A - Azo dyestuffs insoluble in water : en
  • US2252950A - Dry battery lamp : en
  • US2253404A - Submersible electric motor : en
  • US2252986A - Method of repairing cracked or fractured metal walls : en
  • US2253070A - Color correction in printing multilayer film : en
  • US2253322A - Machine for applying reinforcing rings to clothespins : en
  • US2253045A - Valve removing tool : en
  • US2253182A - Germicidal preparation : en
  • US2253186A - Sound characteristic control : en
  • USD129023S - Design for a dress : en
  • FR866643A - Tracer, marker or measuring device : en fr
  • USD129028S - Design fob a dress : en
  • US2252810A - Method for carrying out endothermic gas reactions in regenerative gas heaters : en
  • US2253085A - Machine tool : en
  • US2253480A - Oil refining process : en
  • USD129051S - Design for a coat : en
  • US2252681A - High aperture objective : en
  • US2253357A - Transmission mechanism : en
  • US2253398A - Enameled door structure : en
  • USD129098S - Design for a dress : en
  • DE709654C - Circuit arrangement for telephone systems with dialer operation for counting connections of different values according to time and zone : de en
  • US2252997A - Support : en
  • US2253235A - Pigmented material : en
  • US2253356A - Method and apparatus for measuring the water resistance of paper : en
  • FR866520A - Printing telegraph device : en fr
  • US2252804A - Antichatter device : en
  • FR866632A - Crankshaft quenching refinements : en fr
  • FR866532A - : fr
  • GB538824A - Improvements relating to coin-testing devices for automatic coin-actuated machines : en
  • US2252794A - Display device : en
  • US2253164A - Electrical connector : en
  • USD129099S - Design for a dress : en
  • US2253007A - Process for the conversion of hydrocarbons : en
  • US2252749A - Calculating device : en
  • US2253360A - Coated lighting-arrester block : en
  • USD129016S - Dress ensemble : en
  • USRE21882E - sharples : en
  • US2253331A - Knitting machine : en
  • FR866502A - Watertight door with multi-bolt locking device : en fr
  • FR866548A - Drying and desiccation of standard quality grapes : en fr
  • US2253288A - Wheelbarrow : en
  • CA398731A - Periodic wave generator : en fr
  • CA398758A - Railway car door : en fr
  • US2253355A - Television scanning system : en
  • USRE21883E - Filler for cartons or other : en
  • US2252809A - Tapered honing tool : en
  • CA398688A - Heat interchanger : en fr
  • DE709625C - Circuit arrangement for the transmission of signals over telephone lines : de en
  • US2252760A - Material handling apparatus : en
  • US2252795A - Decoy gang actuating mechanism : en
  • US2253327A - Lubricating method : en
  • US2253020A - Valve structure : en
  • US2252697A - Manufacture of metal products : en
  • US2252955A - Device for promoting and controlling aspiration : en
  • USD129053S - Design for a coat : en
  • GB538931A - Improvements in radio picture transmission : en
  • DE709531C - Cinema cassette : de en
  • CA398699A - Unsaturated glycol diester : en fr
  • AU113613B2 - Improvements in or relating to electron discharge devices : en
  • DE709564C - Process for providing pipes or similar hollow bodies made of vulcanized fiber with a corrosion-resistant lining : de en
  • DE709586C - Process for the production of socks with flat heel on flat weft knitting machines and machine for carrying out the process : de en
  • DE709688C - Delayed response fuse : de en
  • US2252869A - Hacksaw blade : en
  • FR866537A - Improvements to cisterns for sanitary ware, water closets or the like : en fr
  • AU144740A - Improvements in or relating to electric calculator equipment : en
  • USD128937S - Design for a canister or similar container : en
  • GB538788A - An improvement in or relating to power or transmission mechanisms for mechanically-propelled vehicles : en
  • US2253307A - Electrical circuit : en
  • AU333440A - Improvements relating to electric discharge lamps : en
  • US2252741A - Spudding mechanism for cable tool drills : en
  • DE709477C - Time switch with escapement : de en
  • SE102358C1 - : sv
  • US2253042A - Truck suspension means : en
  • GB538917A - Headlights : en
  • CA398685A - Food product cooking apparatus : en fr
  • US2253466A - Overload releasing clutch : en
  • US2253478A - Direction signal for motor vehicles : en
  • USD129015S - Design fob a dress : en
  • USD129086S - Design fob a dress : en
  • DE709695C - The suspended ceiling made of hard plasterboard is suspended from the beams : de en
  • GB538863A - Method of coating paper : en
  • US2252913A - Congelation machine and method : en
  • US2253217A - Trailer : en
  • GB538949A - Improvements in or relating to shuttering for use for example in the building of concrete structures : en
  • USD129088S - Design for a dress : en
  • US2253454A - Fuel injection apparatus for diesel and other internal combustion engines : en
  • US2253144A - Communication system : en
  • US2253334A - Process for treating nickel-bearing alloys : en
  • GB538795A - Modulating system for carrier frequency signalling and the like : en
  • US2253433A - Rapid selector means for radio sets and the like : en
  • CA398744A - Stylographic pen : en fr
  • US2252902A - Adjustable hat : en
  • CA398725A - Electric lamp holder : en fr
  • US2252985A - Compounded oil : en
  • GB538887A - Improvements relating to high tension ignition magnetos for internal combustion engines : en
  • US2253424A - Typewriting machine : en
  • US2252867A - Process for production of alkali metal sulphide and hydrosulphide of high purity and concentration : en
  • USD128939S - Combined eyebrow pencil and brush : en
  • US2253108A - Digit bandage : en
  • US2253091A - Paper container : en
  • US2253468A - Portable graveling equipment : en
  • AU113619B2 - Improved means forthe illumination ofthe bubbles of liquid level indicators : en
  • US2252906A - Clutch and brake mechanism : en
  • US2252996A - Gun perforator : en
  • US2253019A - Overhead cable spraying apparatus : en
  • US2253068A - Cooking and heating range : en
  • USD128945S - Design fob a shoe : en
  • FR866627A - Improvements to igniters : en fr
  • US2253003A - Means for compressing finely divided substances and process therefor : en
  • US2253300A - Universal joint : en
  • US2253198A - Conveyer : en
  • US2252716A - Automobile visor and rear vision mirror support construction : en
  • US2253169A - Head trimmer : en
  • US2252773A - Pump for pitless wells : en
  • CA398766A - Sound record band making apparatus : en fr
  • US2252891A - Knurling tool : en
  • US2253052A - Reversing arrangement for document reproducing machine : en
  • US2252786A - Shoe conditioning apparatus : en
  • US2253333A - Conveyer : en
  • US2252859A - Grater : en
  • FR866564A - Hydraulic installation to use the wave motion of the sea for the purpose of producing motive force : en fr
  • US2253458A - Multiple stick holding device : en
  • DE709605C - Device for switching on the automatic shuttle replacement device on interchangeable looms : de en
  • US2252893A - Cutting tool : en
  • US2253162A - Refrigerator control system : en
  • CA398746A - Coin selector : en fr
  • FR866624A - : fr
  • GB538904A - Improvements in and relating to hydraulic transmission mechanism : en
  • DE709538C - Process for the preparation of ethers of monooxyhalogeno-1,4-benzoquinones : de en
  • US2253216A - Case for a portable hearing aid device : en
  • USD129091S - Design for a dress : en
  • US2252990A - Baking device : en
  • US2253137A - Synthetic rubberlike resinous composition : en
  • US2253218A - Telephone system : en
  • US2252912A - Well tool : en
  • US2253016A - Rotary shearing head : en
  • DE709640C - Sealing of the ducting of pipelines through walls u. Like. By means of plastic masses : de en
  • US2252927A - Gasoline manufacture : en
  • US2252998A - Safety swing : en
  • US2253032A - Pitman connection : en
  • USD129035S - Design for a dress : en
  • US2252960A - Carburetor structure : en
  • USD128950S - Cabinet-type embalming apparatus : en
  • US2252815A - Transmission of mechanical energy : en
  • USD129007S - Utensil support for a cooking range : en
  • US2252951A - Tomato corer : en
  • USD129076S - Design for a dress : en
  • AU301340A - Improved means forthe illumination ofthe bubbles of liquid level indicators : en
  • US2253342A - Mono-ethers of unsaturated dihydric alcohols and method for producing the same : en
  • US2253487A - Portable well derrick : en
  • US2253332A - Key holder and protector : en
  • USD129062S - Design for a dress : en
  • US2252952A - Bracket : en
  • US2253296A - Screen for threshing machines : en
  • US2253344A - Friction clutch : en
  • US2253081A - Yarn conditioning process and the product thereof : en
  • GB538838A - An improvement in or relating to wheels for tractor or agricultural implements : en
  • CA398704A - Gasket material : en fr
  • US2252715A - Glare shield structure for automobiles : en
  • US2253239A - Spring group arrangement : en
  • US2252855A - Fastening means for detachably securing handles to operating shafts : en
  • US2253457A - Improving the dyeing of textiles : en
  • US2252772A - Hydraulic steering stabilizer : en
  • US2253411A - Mouthpiece puller : en
  • US2252989A - Tobacco pipe reamer : en
  • US2252856A - Telephone system : en
  • CA398742A - Check valve mechanism : en fr
  • CA398726A - Fire alarm system : en fr
  • AU268340A - Improvements in reaction propulsion engines : en
  • US2252831A - Golfer's training rack : en
  • CA398765A - Monovinyl acetylene : en fr
  • CA398756A - Weighing scale : en fr
  • US2252685A - Film splicing apparatus : en
  • US2253488A - Bobbin : en
  • US2253011A - Treatment of hydrocarbon oils : en
  • USD128958S - Design for an illtjminated display stand : en
  • DE709471C - Voters for groups of numbers determined in advance : de en
  • DK58954C - Swivel slide seal for internal combustion engines. : da en
  • DE709683C - Protection device for induction motors with push-button motor protection switch : de en
  • DE709596C - Swivel-out workpiece carrier for gear shaping machines, resting on sliding surfaces : de en
  • GB538857A - Improvements in the production of dyes of the cyanine type and intermediates therefor : en
  • US2252706A - Haloalkyl polyacyl glycosides : en
  • US2252839A - Finger holder : en
  • USD128938S - Design for a chaik : en
  • DK58945C - Method and Apparatus for electric heating of sheets, in particular sheets of magnesium alloy, to be deformed in hot condition. : da en
  • AU295640A - Improvements relating to the lubrication of textile fibres and / or textile processing machinery : en
  • DE709517C - Copy milling machine for contour milling : de en
  • US2253104A - Elastic half-belt for trousers : en
  • AU89440A - Improved process forthe production of composite blocks, planks or boards from wood laminae : en
  • US2252707A - Advertising display fixture : en
  • US2253098A - Rotary kiln or drier : en
  • US2252818A - Grinding machine : en
  • US2253028A - Rotary cutting tool : en
  • US2253150A - Calking gun filler : en
  • USD129082S - Design for a dress ensemble : en
  • CA398700A - Acylated styrene : en fr
  • GB538818A - Improvements relating to ion-exchange processes for the treatment of water : en
  • AU52740A - Improvements in and relating to fuel vapourizers for internal combustion engines : en
  • US2253436A - Automobile suspension : en
  • USD128928S - Design fob a bracelet : en
  • GB538890A - Improvements in and relating to door latching arrangements : en
  • US2253266A - Oil burner : en
  • USD129068S - Design for a dress : en
  • GB538790A - Improvements in or relating to gun mountings : en
  • US2253383A - Apparatus for gooling cans : en
  • DE709630C - Device for grid control of grid-controlled vapor or gas discharge lines, in particular in converter arrangements : de en
  • USD129077S - Design for a dress : en
  • GB538827A - Improvements in and relating to electric cables and insulation therefor : en
  • US2253000A - Textile and method of making the same : en
  • US2253425A - Electric switch : en
  • FR866613A - Lid with opening device for bottles, cans, etc. : en fr
  • USD128947S - Design fob a shoe : en
  • FR866634A - Gas or smoke filter with moving parts : en fr
  • FR866505A - Improvements to automatic regulators : en fr
  • GB538785A - Improvements relating to braking systems : en
  • GB538947A - Improvements in television signal-translating systems : en
  • GB538942A - Improvements in and relating to spring and check devices for doors and the like : en
  • FR866561A - Bed bases with devices allowing a reclining person to raise or lower the part of the bedding supporting his chest and his head and that supporting his legs, and beds provided with said devices and comprising, in addition, a total lifting system of the sick : en fr
  • GB538914A - Improvements in and relating to photographic colour development : en
  • GB538858A - Improvements in or relating to regenerative open hearth steel furnaces : en
  • US2253022A - Shoulder strap holder : en
  • US2253301A - Capsule forming mechanism : en
  • FR866589A - Pulp manufacturing process and resulting new industrial product : en fr
  • US2252894A - Calf weaner : en
  • US2252988A - Pinless diaper : en
  • DE709498C - Grinding bodies, especially for tubular mills : de en
  • IE16100L - Mounting gas bags on vehicles : en
  • DE709511C - Apparatus for obtaining spinnable fibers from precooked fiber-containing leaves, in particular yucca leaves : de en
  • CA398693A - Game device : en fr
  • DE709554C - Arrangement for aligning additional devices to be removably attached to a machine tool : de en
  • GB538847A - Improvements in and relating to apparatus for the treatment of gases : en
  • DE709691C - Process for bonding materials of all kinds : de en
  • FR866552A - Gasifier trailer : en fr
  • US2253297A - Gelatinous solutions of cellulose compounds : en
  • US2253309A - Suction cleaner : en
  • GB538850A - Improvements in and relating to automatic lubrication devices : en
  • US2253474A - Siphoning device : en
  • DE709674C - Arrangement for demodulating amplitude-modulated oscillations : de en
  • US2252928A - Hydrocarbon conversion : en
  • FR866606A - Improvements relating to bearings or bushings and their manufacturing process : en fr
  • USD129083S - Design for a dress ensemble : en
  • US2252933A - Cornhusker : en
  • US2252822A - Sulphanilamide solution : en
  • AU184140A - Improvements in or relating to transmission systems employing pulse modulation : en
  • DE709579C - Compressed air drill that can be pushed into the self-made borehole : de en
  • DE709602C - Device for automatic registration or regulation of free road traffic : de en
  • DE709587C - Lathe for shaping buttons : de en
  • DE709592C - Elastic joint : de en
  • FR866544A - Advanced reservoir for liquids : en fr
  • FR866510A - Process for the preparation of novel sulfanilic amide derivatives : en fr
  • GB538849A - Improvements in or relating to pressure gauges : en
  • US2252866A - Rear wheel springing for motorcycles : en
  • US2253017A - Flytrap : en
  • FR866615A - Improvements made to reinforced concrete constructions with a view to limiting or preventing vibratory oscillations : en fr
  • CA398722A - Interior frosted glass article : en fr
  • GB538960A - Improvements in refractory linings for pipes or other conduits or narrow chambers : en
  • US2253153A - Multiple spindlehead for drilling, tapping, reaming, and other like operations : en
  • US2253234A - Building brick : en
  • USD128940S - Pendant type handle for stoves or the like : en
  • USD128962S - Design for lace : en
  • CA398743A - Rod and tube straightening machine : en fr
  • DE709490C - Drive device for electric alternators of bicycles : de en
  • USD129010S - Catapult for a boomerang game device or similar article : en
  • CA398676A - Equine encephalomyelitis vaccine : en fr
  • CA398707A - Synchro-tie control : en fr
  • FR866576A - Wrapping of cellulose film or similar materials : en fr
  • US2252691A - Material spreader : en
  • US2252718A - Reversal process of color photography : en
  • US2252872A - Traction sprayer : en
  • US2253378A - Control system : en
  • DE709472C - Display device for the visualization of continuously successive settings of a power surge transmitter for telecommunications systems : de en
  • AU113637B2 - Improvements in or relating to electric measuring devices : en
  • GB538932A - Improvements in blinds, shutters and the like : en
  • FR866642A - Improvements to the hearths of air heaters allowing additional water heating : en fr
  • USD128997S - Zsther lundblrcr : en
  • DE709679C - Device for the step-by-step adjustment of display devices coupled with switching arrangements : de en
  • USD129047S - Design for a coat : en
  • US2252752A - Modulating and amplifying system : en
  • USD128977S - Design for an article of bric-a-brac : en
  • DE709557C - Landing gear for aircraft that can be swiveled in the direction of flight : de en
  • DE709478C - Control device for several power consumers, which are fed and controlled via grid-controlled discharge vessels, especially for the sub-motors of a multi-motor drive : de en
  • DE709506C - Television amplifier arrangement, especially for intermediate frequency amplifiers : de en
  • US2253188A - System of electric distribution : en
  • US2253366A - Automatic welding head : en
  • US2253471A - Chlorination of titanium bearing materials : en
  • USD128972S - Handle grip for cooking vessels or the like : en
  • US2252976A - Link for antiskid cross chains : en
  • GB538845A - Improvements in or relating to photo-sensitive layers and methods of manufacturing such layers : en
  • US2252762A - Drive for printing presses and other machines : en
  • US2252888A - Lawn edger : en
  • USD129070S - Design fob a dress : en
  • US2252830A - Method and apparatus for dispensing gas material : en
  • GB538805A - Improvements in or relating to a method and apparatus for coating metals by dipping : en
  • US2252778A - Antiskid chain for automobile tires : en
  • US2253376A - Lightning-arrester block : en
  • US2253170A - Door operating mechanism : en
  • US2253176A - Method and apparatus for production of structures : en
  • US2253083A - Apparatus for boiling-off textile fabrics : en
  • US2253476A - Metal alloys and method of making composite alloys of definite compositions therefrom : en
  • GB538896A - A new or improved snow sweep : en
  • GB538969A - A regulating arrangement designed for the regulation of the interior temperature of buildings : en
  • FR866585A - Wood hollow body molding process : en fr
  • FR866607A - Frame-chassis or body infrastructure for vehicles : en fr
  • GB538973A - Improvements in open-hearth and like heating furnaces : en
  • US2252687A - Gas and liquid separating device : en
  • US2253064A - Cellulosic compositions of matter containing organic ester amides : en
  • US2253109A - Surface decorating mechanism : en
  • GB538811A - Improvements in the fixing of plasterboard or similar lining for ceilings, walls andthe like : en
  • GB538856A - Improvements in multiple-lift gasholders : en
  • DE709622C - Spring-loaded and adjustable contact wire suspension for electric railways : de en
  • GB538808A - Improvements in chutes or guides for machine-gun cartridge belts : en
  • DE709623C - Receiving device for carrier current telegraphy with intermediate frequency modulation : de en
  • FR866556A - Carburetor : en fr
  • GB538961A - An improved method of and means for drying crops : en
  • DE709589C - Process for the production of molding resins from curable phenol aldehyde resins : de en
  • FR866569A - Process for preparing m-oxyphenyl-ethanolamine : en fr
  • DE709540C - Switching device for electrical signal drives : de en
  • FR866526A - Roll-up grill : en fr
  • DE709514C - Socket pin connection : de en
  • DE709482C - Tobacco pipe with a chamber provided below the removable tobacco container : de en
  • FR866533A - Process for converting gasoline engines into acetylene engines : en fr
  • US2252683A - Method of form setting abrasive disks : en
  • GR9615B - HEATER TYPE. : el en
  • US2252883A - Flow metering apparatus : en
  • US2253205A - Hydraulic brake : en
  • US2252756A - Apparatus for glass manufacture : en
  • US2253171A - Gas cable installation : en
  • US2252745A - Drill bit head : en
  • US2252761A - Relay : en
  • US2253138A - Electrical cable : en
  • US2253431A - Clutch : en
  • FR866641A - Nozzle for gasifiers : en fr
  • DE709597C - Tool for the production of knee joints using a hand-held jackhammer : de en
  • FR866600A - New shoe for protection against cold and humidity : en fr
  • FR866601A - Brake improvements : en fr
  • GB538870A - Improvements in pumps and filters therefor : en
  • US2252882A - Vibrator : en
  • USD129006S - Design for an atomizer : en
  • FR866633A - Manufacturing process of combustible agglomerates : en fr
  • GB538880A - Improvements in or relating to liquid pressure remote control systems, more particularly for operating soot blowers of boilers and the like : en
  • US2252724A - Air filter : en
  • US2252748A - Transmitter headset : en
  • US2253111A - Container : en
  • FR866542A - Device to improve the travel of the easel in rectilinear hosiery looms with picking : en fr
  • GB538936A - Loose-fill composite materials : en
  • US2252865A - Fluid conditioning apparatus : en
  • GB538861A - Improvements relating to water and like spraying devices : en
  • DE709559C - Theft protection for bicycles : de en
  • GB538797A - Improvements in and relating to manifolding attachments for typewriting machines : en
  • US2252751A - Telephone unit : en
  • USD129031S - Design for a dress : en
  • US2253210A - Gum massage device : en
  • USD128933S - Design for a jewelry clip : en
  • DE709536C - Tennis or the like ball : de en
  • US2252757A - Air pump : en
  • US2253206A - Electromagnetic pumping apparatus : en
  • US2253320A - Wheel : en
  • AU113651B2 - Improvements inthe precipitation of titanium compounds bythe hydrolytic decomposition of titanium-containing solutions : en
  • US2253368A - Simultaneously scouring and bleaching with chlorite : en
  • US2253372A - Valve : en
  • US2252699A - Azimuth radio beacon system : en
  • CA398739A - Signalling system : en fr
  • AU113638B2 - Ultra high frequency oscillation generating systems : en
  • US2253469A - Receptacle : en
  • US2252931A - Bottle feed and holdback motion : en
  • USD129065S - Design for a dress : en
  • DE709644C - Preservation of green feed : de en
  • FR866525A - Improvements in means for conditioning the atmosphere or a gas in an enclosure : en fr
  • GB538822A - Manufacture of amidine derivatives : en
  • GB538923A - Improvements in valve remote control apparatus : en
  • US2253127A - Oscillating fan : en
  • US2253075A - Toy : en
  • AU38640A - Improvements in and relating to means for converting liquid fuel into gas for use in an internal combustion engine : en
  • GB538885A - Improvements in or relating to terminal bushing insulators : en
  • USD128991S - Design foe a lock : en
  • USD129042S - Design for a deess : en
  • DE709658C - Process for the plasticizing of polymers which are produced by emulsion polymerization of butadienes with other polymerizable compounds and coagulation of the emulsion : de en
  • GB538862A - Improvements in double collars for shirts : en
  • USD129063S - Design for a dress : en
  • US2252845A - Container handling apparatus : en
  • US2252920A - Hose coupling : en
  • US2253337A - Diode-triode apparatus : en
  • USD129027S - Combined evening and stbeet dress : en
  • DE1507045U - : de en
  • CA398738A - Tabulator comparing mechanism : en fr
  • DE709555C - Process for sensitizing halide silver emulsions : de en
  • CA398754A - Paper conditioning method : en fr
  • CA398745A - Multiple sampling valve : en fr
  • DE709677C - Directly displaying direction finder : de en
  • US2253180A - Electric valve excitation circuits : en
  • US2252765A - Polishing device : en
  • USD128955S - Design fob a textile fabric : en
  • CA398703A - Titanium gluconate : en fr
  • DE709580C - Feeding device for rolling mills : de en
  • DE709560C - Display device for twist grips of motorcycles u. like : de en
  • CA398701A - Aliphatic polyamine : en fr
  • DE709611C - Process for the recovery of curd soap waste : de en
  • FR866593A - Safety device for liquid fuel tanks : en fr
  • GB538966A - Improvements in a cupro-ammonium process for the production of artificial filaments : en
  • CA398735A - Automobile engine light : en fr
  • US2253290A - Draft control : en
  • CA398692A - Mail cancelling apparatus : en fr
  • SE102349C1 - : en
  • US2252717A - Road spreader : en
  • SE102355C1 - Procedure for vacuum drying of dry goods placed on metallic substrates, which are sensitive to heat, and apparatus for carrying out the procedure. : en sv
  • US2253088A - Art of preparing derivatives of anarcardic acid : en
  • US2253245A - Replaceable tooth unit for earthworking equipment : en
  • GB538901A - Method of treating manganese and manganese alloys for the reduction of the boron content : en
  • US2252827A - Fastener : en
  • US2253380A - Fabric supporting and feeding apparatus : en
  • US2253428A - Packing : en
  • US2253065A - Plasticized cellulose derivative compositions : en
  • US2253029A - Windshield wiper : en
  • USD129025S - Design fob a dress ensemble : en
  • CA398689A - Display sign : en fr
  • US2252694A - Electric discharge electrode : en
  • US2252964A - Crate or receptacle : en
  • US2253417A - Terminal clip : en
  • DE709494C - Hand device for conveying muddy goods : de en
  • US2252793A - Lubricating oil composition : en
  • US2252703A - Apparatus for the suspension of glass articles or sheets : en
  • US2253292A - Color televistion system : en
  • FR866609A - Improvements to protein products and the processes for obtaining them : en fr
  • GB538886A - Improved preparation of substantially sulphur-free manganese alloys : en
  • US2252857A - Telephone system : en
  • US2252871A - Automotive vehicle : en
  • US2252946A - Thermostat : en
  • US2252961A - Engine : en
  • USD128941S - Handle for stoves or the like : en
  • GB538792A - Composite fabrics for balloon envelopes : en
  • FR866581A - Food products and their manufacturing process : en fr
  • DK58947C - Electric motor driven Heater. : da en
  • US2253231A - Sensitometer, actinometer, and photographic characteristic measuring scale : en
  • DE709062C - Teaching kit for the production of model buildings : de en
  • DE709470C - Radio training system : de en
  • DE709549C - Heavy artificial stone mass as a weight for blockers or parquet floor polish : de en
  • DE709603C - Process for painting the pistons of electric lights with partial covering of the piston surface to be painted : de en
  • DE709551C - Compressed air or propellant gas generators with flying piston compressors : de en
  • DE709497C - Process for improving the spinning process in the manufacture of viscose rayon : de en
  • GB538916A - Improvements in shaving apparatus : en
  • DE709558C - Device for swiveling in and out a braking surface on aircraft : de en
  • DE709631C - Process for the preparation of metal-containing monoazo dyes : de en
  • US2253203A - Internal combustion engine piston : en
  • DE709527C - Arrangement for the reception of television broadcasts by means of cathode ray tubes : de en
  • US2252896A - Cutlery : en
  • US2253146A - Method of sizing synthetic linear polymer yarns : en
  • US2252806A - Manufacture of one-piece, drysealing window envelopes : en
  • US2252755A - Method of saturating fibrous coverings on wires, cables, and the like : en
  • US2253276A - Glass pressing machine : en
  • US2253324A - Grinding machine : en
  • US2252688A - Camera shutter : en
  • US2252897A - Car construction : en
  • US2253439A - Reciprocating drive for straight knitting machines : en
  • US2252962A - Self-cleaning boiler control : en
  • FR866583A - Gasifier with retractable axial nozzle : en fr
  • GB538796A - Improvements in and relating to manifolding apparatus for typewriting machines : en
  • US2253388A - Protective relay : en
  • US2253253A - Hoisting apparatus : en
  • US2253352A - Humidifying device : en
  • US2253039A - Loose-leaf binder : en
  • CA398741A - Signalling system : en fr
  • DE709501C - Adjusting device for the rolls of rolling mills : de en
  • FR866524A - Improvements to pushers for screw-making machines and other similar machines : en fr
  • US2253008A - Shipping and display box : en
  • US2252714A - Process and apparatus for making metal powder : en
  • US2252753A - Cover for range tops : en
  • USD129075S - Design fob a dress : en
  • US2253412A - Disconnecting roller bearing : en
  • US2253426A - Method for producing luminescent screens : en
  • USD128961S - Design for a fluorescent lighting fixture : en
  • GB538968A - Improvements relating to machines for coating containers with paraffin wax and the like : en
  • US2252918A - Electrical socket : en
  • US2253280A - Article trimming apparatus : en
  • US2253295A - Breather for liquid containers : en
  • US2252870A - Carrier frequency heterodyne oscillator : en
  • GB538871A - Improvements in or relating to halogenated polymers of ethylene : en
  • US2252750A - Transparent double walled jar for testing liquids : en
  • US2252958A - Carburetor structure : en
  • USD128951S - Besign fob a game board : en
  • USD129039S - Textile fabric or similar article : en
  • USD129073S - Design for a dress ensemble : en
  • USD128956S - Design for a textile fabric : en
  • CA398687A - Folding table : en fr
  • GB538868A - Improvements in pumps : en
  • GB538956A - Improvements in or relating to gas turbine plant : en
  • USD129080S - Design fob a dress : en
  • US2252833A - Slip : en
  • GB538888A - Improvements in milking machine teat cups : en
  • DE709476C - Push-button switch with toggle switch : de en
  • GB538803A - Improvements in or relating to method of and apparatus for spreading powdered material in a mold : en
  • GB538891A - Improved glass having an expansion lower than that of silica and process for the manufacture thereof : en
  • DE700158C - Dependence on a variable-speed control shaft : de en
  • DE709404C - Overcoats for printing rollers : de en
  • FR866612A - Improvements made to locking devices for cylindrical tool holders : en fr
  • FR866618A - Gunpowder : en fr
  • GB538965A - Improvements in or relating to tubular heat exchangers : en
  • GB538980A - Improvements in conveyors : en
  • DE709496C - Method for bleaching montan wax : de en
  • US2253286A - Article hanger : en
  • DE709543C - Arrangement for the selective calling of branch points in telecommunication systems lying on a common line : de en
  • US2252705A - Mercuri alkyl phenol derivatives : en
  • USD128998S - Design for a hat : en
  • AU113644B2 - Improved drag scoop : en
  • GB538921A - Improvements in tuned circuits : en
  • US2253082A - Nitroalkylamino-anthraquinone dye compounds : en
  • US2253142A - Relay : en
  • AU25841A - Improved mouldboard plough bottom : en
  • US2252709A - Erythramine and process for its production : en
  • US2252734A - Strip feeding and imprinting apparatus : en
  • US2253419A - Plow lift mechanism : en
  • US2253240A - Fluid pressure system : en
  • US2252895A - Directional control of sanding : en
  • US2253265A - Sloper : en
  • US2253350A - Hydrogen-cooled machine with gland seal : en
  • US2253116A - Lawn edger : en
  • USD129018S - Design fob a dress : en
  • CA398732A - High-frequency tunable system and apparatus : en fr
  • US2252837A - Ditching machine : en
  • US2252876A - Lead manufacture : en
  • US2252916A - Plate-type apparatus : en
  • US2253154A - Steam generator, particularly steam cooking device : en
  • US2252943A - Nursery accessory : en
  • US2253195A - Electric shaver : en
  • DE709486C - Starting device for internal combustion engines : de en
  • US2253359A - Current collector : en
  • USD128983S - Design for a shoe : en
  • FR866617A - Universal joint : en fr
  • GB538877A - Improvements in cycles, particularly bicycles, having front and rear wheel drives : en
  • FR866625A - Spray gasifier : en fr
  • USRE21881E - Solenoid construction : en
  • USD129045S - Design for a portable power driven tool unit : en
  • DK58946C - Grate for Combustion of Fine-grained Fuel. : da en
  • US2252881A - Blank holder circuit with automatic release of blank holder pressure on idle stroke : en
  • US2252965A - Handle for files : en
  • US2253329A - Hand loom : en
  • GB538869A - Improvements in light-sensitive diazo compounds : en
  • US2253387A - Plunger for solenoid type relays : en
  • DE709583C - Device for generating high DC voltage : de en
  • GB538829A - Improvements in or relating to the production of text composition comprising or containing accented characters in record-strip-controlled single-typecasting and composing machines : en
  • US2253122A - Ink circulating mechanism : en
  • DE709626C - Device for quick testing of telephone systems with back control, especially line dialing systems : de en
  • DE709639C - Flushing arrangement for two-stroke internal combustion engine : de en
  • DE709481C - Magnetic material for high frequency technology : de en
  • USD129081S - Design fob a dress : en
  • AU113610B2 - Improvements in directional instruments : en
  • DK58955C - Gas Welding Procedure. : da en
  • GB538787A - Improvements in and relating to spring and check devices for doors and the like : en
  • US2253293A - Method of making tubs : en
  • DE709553C - Clamping cartridge of cartridge chucks with exchangeable clamping jaws : de en
  • GB538883A - Improvements in or relating to indicating devices for liquid pressure supply systems : en
  • CA398680A - Clutch or brake control device : en fr
  • CA398760A - Storage equipment : en fr
  • FR866630A - Steering gear for vehicles : en fr
  • FR866531A - Machine to deform certain parts of the shoes, in particular the heels : en fr
  • FR866635A - Rotary toothbrush : en fr
  • DK58960C - Automatic Handgun. : da en
  • DK58959C - Guide cable systems for use when navigating ships. : da en
  • FR866529A - Apparatus for distributing solid fuel on the grate of a furnace and for removing ash and slag from it : en fr
  • GB538801A - Improvements in or relating to electric couplings : en
  • US2252701A - Flour sifter combination : en
  • DE709628C - Degassing device for electrical collectors : de en
  • FR866554A - Gasifier nozzle : en fr
  • DE709521C - Device for adjusting the barrel for weapons with variable spread : de en
  • US2252910A - Hair curler : en
  • US2253260A - Hydraulic brake safety signal : en
  • US2253386A - Moving stairway : en
  • USD129100S - Design for a dkess : en
  • DE709573C - Method for the die pressing of aircraft wheels : de en
  • FR866546A - A method of manufacturing a stainless steel container with a reinforced bottom, and a container obtained by said method : en fr
  • GB538918A - Door sealing means : en
  • GB538930A - Improvements in waterproofing plaster boards : en
  • GB538953A - Improvements in and relating to the production of impregnated paper and laminated articles : en
  • GB538848A - Improvements in speed indicators : en
  • GR9618B - STRING MUSICAL INSTRUMENT. : el en
  • US2253442A - Thermostatic control : en
  • USD128935S - Design for a container cap : en
  • US2253004A - Weighing scale dump : en
  • US2253123A - Meat tenderizing machine : en
  • US2253370A - Welding timer : en
  • USD128986S - Textile fabric or similar article : en
  • USD129046S - Design for a portable power driven tool unit : en
  • DE709507C - Device for the synchronization of electric motors to a master frequency using grid-controlled discharge vessels : de en
  • FR866650A - Progressive speed variator : en fr
  • US2252877A - Way grinding machine : en
  • US2253303A - Broaching machine : en
  • US2253379A - Ultra high frequency adjustable antenna : en
  • US2253027A - Toasting machine : en
  • CA398720A - Rail cushioning and fastening means : en fr
  • CA398710A - Porcelain-surface protection : en fr
  • USD129064S - Design for a dress : en
  • US2253035A - Apparatus for the production of a ray of slow neutrons : en
  • US2253367A - Boosting mechanism for bread slicing machines : en
  • US2253005A - Rotary fluid pressure engine : en
  • CA398724A - Duplicating machine : en fr
  • US2253381A - Harmonic reduction circuits : en
  • US2252819A - Loom shuttle : en
  • USD129055S - Design fob a coat : en
  • DE709488C - Process for the production of antihalation layers : de en
  • US2253050A - Apparatus for feeding compression molds for cigar fillers : en
  • US2253209A - Railway train : en
  • US2253119A - Bearing means for shafts : en
  • US2253236A - Illuminated house number holder : en
  • US2253261A - Dust collector : en
  • AU113617B2 - Improved polymeric materials : en
  • US2253346A - Reflector device : en
  • US2253117A - Cowl : en
  • CA398734A - Food handling apparatus : en fr
  • US2252850A - Razor : en
  • US2253080A - Resonant chamber circuit for use especially with inductive output tubes : en
  • US2252695A - Supporting means for aerial tramways : en
  • US2253287A - Suture and method of packaging and sterilizing the same : en
  • US2253467A - Liquid supply container : en
  • FR866553A - Attaching a spoke lock placed in a bicycle or motorcycle frame : en fr
  • FR866568A - Improvements made to machines with free pistons, in particular those with variable discharge pressure : en fr
  • GB538894A - Improvements in or relating to electric circuit interrupters having arc-extinguishing devices : en
  • US2253184A - Electric discharge apparatus : en
  • US2253308A - Desulphurization of hydrocarbons : en
  • US2253391A - Disk implement : en
  • US2253047A - Article conditioning shakeout tumbler : en
  • US2253208A - Electron discharge device : en
  • USD128970S - Design fok a lace : en
  • CA398684A - Combination underwear : en fr
  • AU353940A - Improvements in directional instruments : en
  • US2252775A - Turbine driven refrigerator : en
  • US2253259A - Die for x-ray mount presses : en
  • DE709614C - Extrusion press for venting clay and similar plastic masses : de en
  • USD129090S - Design for a dress : en
  • US2252842A - Treatment of hydrocarbons : en
  • USD128999S - Design for a combined glove and mitten : en
  • US2253059A - Mixer : en
  • US2253131A - Combined alternating-currentdirect-current transformer : en
  • DE709616C - Process for the preparation of secondary aromatic aminoketones : de en
  • US2253392A - Synchroscope : en
  • US2253416A - Bearing and bearing retainer : en
  • USD128975S - Design for a heating stove casing : en
  • CA398755A - Envelope making machine : en fr
  • US2253460A - Injection molding machine : en
  • AU77341A - Improved apparatus for coiling wire, particularly for use in the manufacture of barricades : en
  • AU80641A - Improvements in or relating to carpet sweepers : en
  • US2252813A - Seal : en
  • US2252852A - Telegraph perforator : en
  • USD128959S - Design for an illuminated display stand : en
  • USD129094S - Design for a dress : en
  • CA398678A - Dental pulp tester : en fr
  • US2253130A - Hydraulically controlled plow : en
  • DE709548C - Grid electrode for discharge tubes : de en
  • USD129079S - Design for a dress : en
  • CA398682A - Rotary blower and exhauster : en fr
  • US2253317A - Drawer for refrigerated locker systems : en
  • AU113640B2 - Improvements relating to electric discharge lamps : en
  • AU113609B2 - Improvements in remote indicating compasses : en
  • US2252704A - Decoration : en
  • US2253073A - Thread production : en
  • AU229440A - An improved implement for digging and exposing potatoes : en
  • FR866511A - Process for the preparation of amidin compounds : en fr
  • GB538934A - Improvements in the method and apparatus for the manufacture of soap flakes : en
  • DE709525C - Process for the recovery of sulfur : de en
  • US2253341A - Milking machine valve mechanism : en
  • US2252738A - Process and apparatus for removing condensates from gas : en
  • US2253472A - Apparatus for submarine geophysical prospecting : en
  • FR866541A - Standard gasifier trunk for the automobile : en fr
  • US2252903A - Painting machine : en
  • USD129069S - Design for a dress : en
  • US2253284A - Clutch : en
  • DK58952C - Procedure for Making Reinforcement Inserts. : da en
  • IE16164L - Artificial cellulosic sponges : en
  • US2252932A - Sheet metal nut and nut installation : en
  • AU438840A - Improved drag scoop : en
  • FR866647A - Process for manufacturing pressurized water gas and derived fuels : en fr
  • FR866567A - Improvements to sanitary devices such as water closets or the like : en fr
  • DE709524C - Toy figure with remote control of the head movement : de en
  • GB538946A - Improvements in electric filter circuits : en
  • FR866602A - Aircraft control and articulation device : en fr
  • USD128973S - Design fob a brooch ob similar article : en
  • US2253023A - Receptacle and closure therefor : en
  • US2253177A - Combined shearing device and closure for liquid dispensers : en
  • DE709693C - Table or wall shelves : de en
  • GB538826A - Means for supplying liquids other than fuel to the induction systems of internal combustion engines : en
  • US2253103A - Truss : en
  • US2252875A - Call transmitter device : en
  • US2253434A - Holder for foodstuffs while roasting : en
  • US2252820A - Clamp : en
  • USRE21879E - gilpin : en
  • GR9620B - CARBON SUBSTITUTE OF CARBON SUITABLE FOR HOUSEHOLD AND INDUSTRIAL USE AND FOR THE MOVEMENT OF INDOOR ENGINES IN GENERAL. : el en
  • US2253133A - Asparagus canning machine : en
  • US2252849A - Light and sound signaling system : en
  • US2253161A - Counterbalanced lid support : en
  • US2253441A - Luminous electric discharge device : en
  • DK58944C - Electric Accumulator Battery with Alkaline Electrolyte. : da en
  • US2252722A - Amino acid amidines and process of preparing same : en
  • USD128976S - Design for a finger ring : en
  • AU113627B2 - Improved collapsible grapple : en
  • US2253486A - Catalytic conversion of hydrocarbons : en
  • US2253373A - Self-cleaning sanitary comb : en
  • US2252811A - Intercarrier noise suppressor system : en
  • US2253076A - Strip material take-up : en
  • US2253401A - Circuit interrupter contact : en
  • US2253219A - Panel bend : en
  • AU113625B2 - Improvements relating to key-carrying devices : en
  • AU113648B2 - Improvements in and relating to fuel vapourizers for internal combustion engines : en
  • DE709656C - AC switchgear with mechanically moved contacts : de en
  • FR866588A - Composite wheel : en fr
  • FR866639A - Tight and quick closure for gasifiers : en fr
  • GB538907A - Improvements in instruments using a fluid-pressure operated diaphragm : en
  • US2252926A - Loose-leaf binder : en
  • US2252835A - Shaker for granular material : en
  • US2253215A - Apparatus for printing : en
  • US2252774A - Hub brake mechanism : en
  • GB538878A - Improvements in or relating to a method of and apparatus for conveying a succession of articles toward and away from a receiving station : en
  • DE709241C - Winch : de en
  • US2253407A - Railway truck : en
  • US2252731A - Method of preparing a solution of cellulose : en
  • USD129058S - Design for a dress : en
  • IT387797B - : it
  • CA398749A - Engine governor : en fr
  • DE709650C - air-raid shelter : de en
  • US2253452A - Mower : en
  • US2252949A - Minnow net : en
  • DE709493C - Torsion spring fastening for balance spindles, preferably for timer movements : de en
  • US2253163A - Electric socket : en
  • CA398727A - Acid azo dyestuff : en fr
  • US2253345A - Chuck : en
  • US2253448A - Chain dredge bucket : en
  • DE709541C - Automatic impulse generator for telephone systems : de en
  • DE709663C - Process for enhancing grape, fruit and berry wines and musts : de en
  • FR866514A - Improved device for measuring the frequency dependence of broadband electrical transmission devices, used in particular in television : en fr
  • US2252808A - Slip-off ingot and feeder therefor : en
  • US2253213A - Distributor for stokers : en
  • US2253338A - Modulated-carrier signal receiver : en
  • GB538889A - Improvements in or relating to flushing valves : en
  • USD129095S - Design for a dress : en
  • FR866620A - Multiple control system by pressurized fluid, with safety relay : en fr
  • GB538978A - Apparatus for coating wire or the like with insulating rubber or similar material : en
  • GB538828A - Improvements in or relating to record-strip controlled single-typecasting and composing machines : en
  • CA398764A - Moth-proofing solution : en fr
  • GB538945A - Improvements in or relating to the preparation of d-tartaric acid : en
  • FR866629A - Molding compound and method for making it from coffee beans or the like : en fr
  • CA398708A - Operation indicator reset : en fr
  • CA398705A - Rolling mill power distribution : en fr
  • US2253015A - Electrical plug : en
  • US2253256A - Monorail tractor : en
  • DE709698C - Device for the elimination of carbon residues in internal combustion engines : de en
  • FR866515A - Small carrier bicycle, without pedals : en fr
  • AU230540A - Improvements in automatic seals for containers : en
  • GB538908A - Improvements in dispersing ores and the like : en
  • DE709686C - Device for automatic parallel switching of electrical AC networks or synchronous machines : de en
  • CA398674A - Ore reducing apparatus : en fr
  • CA398695A - Synchronous electric machine : en fr
  • USD129036S - Design for a dress : en
  • US2252957A - Process for producing petroleum sulphonates : en
  • US2253140A - Sheet separating apparatus : en
  • US2253435A - Connection of the ends of wires : en
  • CA398702A - Aluminium and alloy melting process : en fr
  • DE709508C - Dry voltage converter with porcelain insulation : de en
  • DE709651C - High temperature tunnel furnace for firing ceramic goods : de en
  • CA398686A - Tire casing : en fr
  • CA398721A - Undergarment : en fr
  • DE709641C - Metal hose with rubber lining : de en
  • AU113618B2 - Electromagnetically driven hydraulic pump comprising an oscillating pump membrane and operating according tothe principle of resonance : en
  • AU316640A - Peach splitter and pitter : en
  • US2252858A - Electric insulating material : en
  • US2253036A - Means for sealing packages : en
  • US2253361A - Resistance-shunted lightining arrester : en
  • US2253415A - Means for centering tubular well strings : en
  • US2253483A - Electromagnetic vibratory governor for dynamos : en
  • DE675125C - Cooker absorber for cooling machines working with solid absorbent material : de en
  • US2253312A - Television signal-reproducing system : en
  • DE709581C - Method of making a sizing agent : de en
  • DE709585C - Process for the production of azo dyes on the fiber : de en
  • GB538922A - Improvements in and relating to synthetic resinous condensation products and the like : en
  • US2252832A - Machine for handling materials in web form, especially stentering machines : en
  • US2253395A - Network distribution system : en
  • FR866501A - Signaling systems and the like : en fr
  • US2252972A - Fuel heating attachment : en
  • FR866503A - Process for heat treatment of cast iron and product obtained by this process : en fr
  • GB538814A - Improvements in or relating to phase modulation of high-frequency currents : en
  • GB538817A - Improvements in and relating to hand trucks : en
  • GB538830A - Improvements in protective spectacles : en
  • US2252766A - Signaling system : en
  • FR866608A - Improvements in the manufacture of smokeless powder : en fr
  • DE709676C - Button arrangement for beacon transmitter : de en
  • GB538955A - Improvements in or relating to x-ray apparatus : en
  • GB538853A - Rotary kilns : en
  • GB538798A - Improvements in or relating to cooling apparatus : en
  • GB538859A - Improvements in, or relating to, the production of water-soluble derivatives of alkylol amides : en
  • GR9619B - A MIXTURE OF COFFEE AND SUGAR STANDARDIZED IN TABLETS OF THE PRESCRIPTION IN COFFEE. : el en
  • GR9613B - OINTMENT TO INCREASE THE STRENGTH OF THE SHOES OF THE SHOES. : el en
  • US2252840A - Double toggle finger holder : en
  • GB538957A - Manufacture of dyestuffs of the phthalocyanine series : en
  • GB538832A - Improvements in filters : en
  • USD128968S - Design for a fluorescent lamp fixture : en
  • GB538937A - Improvements in and relating to apparatus for use in the carbonation of liquids : en
  • DE709550C - Device for regulating the fuel supply in internal combustion engines for dusty fuels : de en
  • USD129040S - Design for a dress : en
  • US2252684A - Apparatus for the production of artificial structures : en
  • US2252782A - Slide loop : en
  • USD128965S - Design fok a dress : en
  • US2253371A - Valve : en
  • US2253181A - Rack with means for securing the contents : en
  • GB538900A - Mounting tanks and other rigid structures on the frames of motor vehicles : en
  • AU314040A - Explosives : en
  • DE709689C - Process for the production of acidic dyes of the anthraquinone series : de en
  • US2253310A - Suction cleaner : en
  • FR866648A - Wood breaking machine : en fr
  • GB538964A - Improvements in disconnectible couplings for pipes or the like : en
  • US2252940A - Brake apparatus for vehicles : en
  • GB538950A - Improvements in high-altitude aircraft : en
  • US2252719A - Catalytic reactor : en
  • USD129003S - Design fob a dress : en
  • US2252792A - Leaf flipper : en
  • FR866628A - Metal wire for electrical resistance : en fr
  • GB538855A - Improvements in or relating to high-pressure metal vapour electric discharge tubes : en
  • US2253414A - Means for preventing pulsating in heating devices : en
  • USD129022S - Design for a dress : en
  • USD129048S - Design for a coat : en
  • US2252758A - Method of making diaphragms : en
  • US2253481A - Can opener : en
  • DK58941C - Device for devices for fitting zippers on tape. : da en
  • FR866623A - Improvements relating to adjustable propellers : en fr
  • US2253139A - Cigar packing machine : en
  • CA398681A - Elastic thread and fabric : en fr
  • US2253249A - Wiper blade : en
  • GB538899A - A process for separating wool fat from wool washing liquids : en
  • CA398709A - Synchronous generator excitation system : en fr
  • CA398740A - Signalling system : en fr
  • DE709499C - Command post arranged as a rotating tower in an aircraft cockpit : de en
  • US2253402A - Make-alive electrode for vaporelectric converters : en
  • US2253226A - Cash register : en
  • US2253285A - Cracking oil by leached zeolites : en
  • US2253364A - Ignition of thermit mixtures : en
  • AU113629B2 - Improvements in or relating to carpet sweepers : en
  • US2253141A - Resilient roller and mounting therefor : en
  • USD128967S - Design fob a projection lamp : en
  • US2253135A - Mercury switch : en
  • USD129050S - Design fok a coat : en
  • US2252980A - Concrete floor and roof joist : en
  • US2253090A - Spool holding and tensioning device for cameras : en
  • US2253336A - Bottleneck : en
  • US2253456A - Air blast gin with pneumatic mote discharge : en
  • DE709483C - Lubricating device for the shutter of a manure can : de en
  • US2252914A - Diesel engine : en
  • US2253207A - Electric metal fusing apparatus : en
  • US2253461A - Mailbox signal : en
  • AU113608B2 - Peach splitter and pitter : en
  • US2252885A - Drop seat garment : en
  • US2252785A - Manufacture of shoes : en
  • USD129052S - Design fok a coat : en
  • FR866507A - Non-slip rubber glove : en fr
  • US2253306A - Motor : en
  • US2253092A - Packer : en
  • US2252727A - Telemetric level : en
  • US2253241A - Nut or bolt lock : en
  • USD128974S - Design fob a textile fabric : en
  • DE709637C - Process for the sterilization of medical devices for blood transfer : de en
  • USD129012S - Design for a bathing cap : en
  • US2253299A - Rotary clutch : en
  • US2253328A - Damper regulator : en
  • CA398723A - Web or sliver preparation : en fr
  • CA398715A - Vacuum-tight insulated lead-in structure : en fr
  • AU33841A - Improved collapsible grapple : en
  • DK58957C - Regulator for Power Machines. : da en
  • US2253179A - Substituted hydroaromatic amides : en
  • US2253447A - Vending machine : en
  • DE709613C - Intermediate layer for support leaf springs, especially for motor vehicles : de en
  • US2252771A - Hydraulic steering stabilizer : en
  • USD129061S - Design for a dress : en
  • US2253100A - Spike puller : en
  • USD128934S - Design for a container cap : en
  • CA398712A - Gland seal for rotating shafts : en fr
  • FR866508A - Protective envelope for bottles and similar items : en fr
  • US2252736A - Strip feeding trimmer and bursting machine : en
  • US2253347A - Hydraulic jack operating mechanism : en
  • USD128946S - Design fob a shoe : en
  • USD129056S - Asteroff dress ensemble : en
  • US2253105A - Combination metallic and insulation shingle : en
  • US2252884A - Drop seat garment : en
  • US2252720A - Strip trimming and severing apparatus : en
  • USD128966S - Design fob lace : en
  • AU113615B2 - An improved implement for digging and exposing potatoes : en
  • US2252921A - Process fob preparation of vitamin : en
  • AU297440A - Improvements in or relating to electric measuring devices : en
  • US2253316A - Rivetless drive plate : en
  • USD129078S - Design for a dress : en
  • US2253246A - Method and apparatus for controlling the metacentric height of ships : en
  • US2253294A - Friction clutch : en
  • USD128971S - Display fad for an article of jewelry : en
  • US2253304A - Permeability tuner and operating mechanism therefor : en
  • US2253353A - Awning for automotive vehicle windshields and the like : en
  • US2252864A - Process for separating high molecular mixtures : en
  • US2253429A - Metatarsal pad : en
  • DE709610C - Step-jacket transformer with flux drainage : de en
  • DE709484C - Air-compressing, self-igniting internal combustion engine : de en
  • DE709673C - Circuit for rectifying or amplifying electrical vibrations : de en
  • US2253072A - Water heater : en
  • US2253087A - Hammer mill : en
  • US2253313A - Signal-translating channel : en
  • USD128992S - Design fob a hat : en
  • US2252776A - Metal sheet and process of making and using the same : en
  • US2253095A - Profiling device : en
  • US2253335A - Circuit controlling device : en
  • US2253390A - Circuit interrupter : en
  • US2253463A - Smoking appliance : en
  • US2253044A - Windrow harvester : en
  • USD129074S - Lynn dress ensemble : en
  • US2253173A - Wire coating apparatus : en
  • US2252812A - Combined garbage receptacle and rat trap : en
  • US2253273A - Shipping carton for cone top cans : en
  • US2253385A - Steel : en
  • CA398762A - Vehicle shaft controlling means : en fr
  • DE709634C - Process and system for the generation of water gas in two or more gas generators connected in series : de en
  • CA398767A - Sound record tape making apparatus : en fr
  • US2253298A - Ooooo : en
  • US2252853A - Web controlled signal : en
  • US2252929A - Violin bow : en
  • GB538970A - Improvements in or connected with mining machines of the cutter-chain type : en
  • USD129001S - Design for a muff : en
  • AU73141A - Improved striker nose for weaving loom balance pick wheels : en
  • US2253258A - Film gate adjustable for films of different widths : en
  • US2252789A - Suspension system for articulated vehicles : en
  • US2252862A - Spring suspension for vehicles : en
  • US2253325A - Window lock construction : en
  • CA398761A - Textile material processing : en fr
  • DE709467C - Wrapping tape profile : de en
  • GB538948A - A method of generating heat by chemical means : en
  • USD128943S - Design for a shoe : en
  • USD129034S - Design for a dress : en
  • US2252692A - Means for applying expansible collars : en
  • US2253066A - Fan : en
  • US2253110A - Self-compensating bearing : en
  • US2253399A - Lubricating oil composition : en
  • AU113642B2 - Improvement in band-pass filters including trap circuits : en
  • CA398751A - Foam stabilizing composition : en fr
  • DE709600C - Foot switch for motorcycles : de en
  • CA398753A - Cellulose and product treating method : en fr
  • US2252693A - Control device for internal combustion engines : en
  • US2253200A - Photographic enlarging and printing mechanism : en
  • US2252994A - Rodent and insect exterminator : en
  • US2252878A - Safety device for trucks and other vehicles : en
  • US2253202A - Special loom harness and tension easing mechanism for weaving a tubular bag with a three end leno weave : en
  • USD129014S - Design for a deess : en
  • GB538837A - Improvements in and relating to holders and tools for assembling and dismantling thefuel pumps of diesel engines and the like : en
  • US2253278A - Gauge and tool : en
  • US2252769A - Knitting method and machine : en
  • US2253143A - Dental aspirator : en
  • US2253124A - Process for the manufacture of preparations influencing the blood pressure : en
  • US2253264A - Tubular insulator : en
  • GB538854A - Improvements in surgical bandages, binders for babies or the like : en
  • US2253160A - Apparatus for automatically controlling feed of fuel to burners or furnaces : en
  • USD128960S - By xlttoknery : en
  • US2252828A - Secondary xenoxy-alkyl-amines : en
  • CA398713A - Snap-acting thermostat : en fr
  • CA398730A - Processed cheese : en fr
  • GB538799A - Improvements relating to electric or other lamps : en
  • FR866577A - Aero-hydraulic turbine : en fr
  • DE709645C - Window for gas masks : de en
  • USRE21877E - Tool holder : en
  • US2252764A - Sign structure : en
  • DE709547C - Circuit arrangement for frequency measurement : de en
  • US2253212A - Jewelry case : en
  • US2253101A - Shield for glasses : en
  • US2253389A - Jelly and manufacture thereof : en
  • GB538860A - Improvements in or relating to surface marking plates for roads : en
  • FR866582A - Device for drawing or profiling wood : en fr
  • GB538926A - Scraper piston rings : en
  • GB538865A - Improvements relating to knitted fabrics and manufactured knitted articles : en
  • GB538913A - Improvements in the production of cellulose esters : en
  • US2253319A - Production of animal feed products : en
  • US2253053A - Conversion of single phase alternating electric currents to polyphase currents : en
  • US2252954A - Heating device : en
  • US2253113A - Calculating device : en
  • DE709572C - Oil catcher and distributor for gear transmission : de en
  • US2253093A - High-pressure vessel : en
  • US2253275A - Laminated tube winding machine : en
  • DE709672C - Ice box : de en
  • CA398763A - Phenol refining process : en fr
  • US2252899A - Method of manufacturing contact springs : en
  • US2253394A - Network distribution system : en
  • DE709492C - Shot counter for machine guns, the display device of which can be controlled by an electrical stepping mechanism : de en
  • FR866599A - Control unit with pitch indicator for propeller pitch variations : en fr
  • US2252729A - Treatment of composite hydro carbons : en
  • US2253197A - Fluid blast circuit breaker : en
  • US2253263A - Temperature indicating and temperature controlled and controlling device : en
  • GB538810A - Improvements in and relating to water heaters : en
  • GB538938A - Improvements in or connected with loading machines, particularly for the mechanical loading of coal in coal mines : en
  • DE709570C - Method and device for calibration and testing of nozzles : de en
  • US2252936A - Method of balancing a foot within a shoe : en
  • CA398759A - Internal combustion engine : en fr
  • GB538905A - Improvements in and relating to appliances for mixing and distributing liquid disinfectants or other fluids : en
  • GB538933A - Improvements in or relating to electrically propelled vehicles : en
  • US2252817A - Nozzle construction for high temperature turbines : en
  • US2253409A - Light projector : en
  • GB538920A - Improvements relating to explosives : en
  • CA398683A - Wall coping : en fr
  • US2253178A - Oven burner for gas ranges : en
  • US2253315A - Flashlight attachment : en
  • US2252873A - Article of manufacture : en
  • DE709537C - Press for sheathing cables with aluminum or other light metals : de en
  • FR866592A - Circuit breaker : en fr
  • GB538967A - Improvements in control device for lifts : en
  • US2252702A - Ink and method of manufacturing the same : en
  • US2253238A - Apparatus for winding strandular material : en
  • FR866512A - Device for measuring the frequency dependence of broadband electrical transmission apparatus of television and others : en fr
  • US2252799A - Combined beet harvesting machine : en
  • DE709552C - Internal combustion engine : de en
  • DE709582C - Process for the chlorination of fatty acids : de en
  • FR866543A - Gasoline rotary engine : en fr
  • US2252898A - Multilayer polarizing body and method of manufacture : en
  • USD129057S - Design for a dress ensemble : en
  • AU292540A - Improved machine for moulding and capping meat pies andthe like : en
  • US2252953A - Mounting bracket for switch boxes : en
  • US2253089A - Spinning apparatus and method : en
  • DE709504C - Device for cooling liquids with crust formation during cooling, especially for dewaxing mineral oils : de en
  • DE709647C - Wooden propeller wing : de en
  • DE709652C - Process for the production of a starch product from potato starch : de en
  • US2253018A - Swivel joint for conduits : en
  • USD129013S - Design fok a dress : en
  • DE705727C - Cushioning, especially for motor vehicles : de en
  • DE709523C - Device for applying protective coatings made of lacquer or the like to the longitudinal seams inside the can bodies : de en
  • GB538802A - Improvements in or relating to dish washing machines : en
  • US2252728A - Chlorinated rubber and a method for its production : en
  • US2252824A - Production of trisazo dyestuffs : en
  • US2253354A - Replaceable facing for trimmer gauges : en
  • US2252978A - Drill stem protector : en
  • US2253343A - Multiple unit emblem : en
  • US2253349A - Carpet sweeper : en
  • DE709662C - Process for the rapid cooling of cement clinker sintered in the kiln and rotary kiln system for carrying out the process : de en
  • GB538807A - Electric signal transmission systems : en
  • US2253001A - Power transmitting device : en
  • US2253237A - Humidifier : en
  • US2253475A - Clothes drying and airing cabinet : en
  • US2253248A - Combination shovel and spreader box : en
  • GB538911A - A method of and means for automatically monitoring or controlling the working of printing or other machines operating on webs or sheets : en
  • GB538912A - Improvements in or relating to apparatus for generating electric impulses : en
  • FR866611A - Improvements in bearing construction : en fr
  • US2253025A - Vibration damping means : en
  • US2253252A - Refrigerating apparatus : en
  • US2253437A - Hydraulic pot press, which serves for pressing cocoa butter from the liquid cocoa mass : en
  • USD129087S - Design fok a dress ensemble : en
  • US2253175A - Fuel burner : en
  • FR866580A - New food product and its manufacturing process : en fr
  • AU39441A - Improvements relating to steam generators : en
  • FR866547A - Flying machine with two lateral flapping wings : en fr