• US1949597A - Cash register : en
  • US1949539A - Lasting machine : en
  • DE593841C - Process for the continuous determination of the aiming angle when shooting at moving targets : de en
  • US1949665A - Brush : en
  • AT136712B - Anti-skid device for shoe heels. : de en
  • US1950180A - Solid carbon dioxide product and method of making it : en
  • AT136827B - Pack of preserved casings for sausage production. : de en
  • US1949558A - Replacement unit shipping structure : en
  • US1950064A - Grip fastening for suspenders for hose : en
  • DE594081C - Device for protecting the protective membrane of gas pressure regulators : de en
  • US1949639A - Liquid dispenser : en
  • US1949938A - Pipe bending device : en
  • AT136771B - Hand printing apparatus. : de en
  • DE593330C - Component for the production of large containers, in particular cylindrical gas containers : de en
  • DE593740C - Spring connection for mattresses, upholstered furniture, etc. like : de en
  • CA339875A - Graining process : en fr
  • US1950029A - Fluid controlled system : en
  • AT136711B - Wedge clamp buckle to change the effective length of bands or the like. : de en
  • AT136849B - Device for regulating internal combustion engines. : de en
  • CA339782A - Vacuum drying apparatus : en fr
  • GB406926A - Improvements in and relating to clutches : en
  • US1949444A - Orthodontic appliance : en
  • US1950077A - Bottle handling apparatus : en
  • US1950274A - Tongue actuated brake construction : en
  • US1949935A - Bobbin support : en
  • US1950254A - Filter : en
  • US1950275A - Brake : en
  • US1949965A - Work support for shoe sewing machines : en
  • DE593806C - Egg punch : de en
  • GB406834A - Improvements relating to electric switches or circuit breakers : en
  • US1949650A - Method of making concrete conduits : en
  • US1949785A - Aircraft having freely rotative wings : en
  • US1949848A - Radioreceiver : en
  • US1949507A - Relay system : en
  • US1949515A - Method of turning and grinding round work surfaces : en
  • AT136838B - Chassis for automobiles. : de en
  • CA339906A - Photographic film : en fr
  • US1950140A - Refining hydrocarbons : en
  • FR43159E - Improvements in track braking devices for railways : en fr
  • CA339801A - Coat and trousers hanger : en fr
  • FR761050A - Floor and slab system for its manufacture : en fr
  • DE593991C - Process for the production of the winding of Kaefiglaeufern by injection molding : de en
  • CA339867A - Screw-threaded vial manufacture : en fr
  • CA339776A - Speed gear : en fr
  • GB406895A - Improvements in or relating to frequency changing circuits and superheterodyne receivers incorporating the same : en
  • CA339883A - Sound pickup device : en fr
  • CA339785A - Polarizing body : en fr
  • CA339793A - Connector : en fr
  • CA339777A - Sign : en fr
  • US1950367A - Seam for garments : en
  • GB407322A - Improvements in or relating to television transmission systems : en
  • FR43170E - Safety devices for electric lamps for mines and similar uses : en fr
  • US1950141A - Temperature indicating system : en
  • DE594024C - Process for the production of lithographic printing forms : de en
  • US1949952A - Coin holder : en
  • US1949404A - Combination closet, seat, and table : en
  • GB406779A - Improvements relating to telephone systems : en
  • US1950320A - Process for the manufacture of high-percentage per compounds : en
  • US1949619A - Glossimeter : en
  • USD91692S - Design for metal furniture-tubing : en
  • DE594054C - Process for the relocation of soil layers, in particular of marsh culture soils : de en
  • FR43186E - Improvements to distributors of products in stamping, die-forging or other machines : en fr
  • FR761072A - High voltage conductor entry or feed-through for gas-filled enclosures, in particular for electrostatic filters : en fr
  • US1949883A - Junction box of the floor type : en
  • US1950355A - Improved cutting and forming tool and wearing surface : en
  • DE594078C - Electrically heated kettle with indirect heating from a liquid bath : de en
  • FR43156E - Automatic clutch control device for motor cars : en fr
  • GB407334A - Method of producing high-emission thermionic cathodes : en
  • GB406883A - Improvements in or relating to epicyclic gears, more particularly for automobile vehicles : en
  • GB406887A - Improvements in or relating to valves and operating mechanism therefor : en
  • US1949670A - Brake shoe : en
  • DE593845C - Chamber lock with antechamber to destroy the living force of the water flowing in at the head of the chamber lock : de en
  • US1949930A - Steam valve : en
  • AT136735B - Wireless messaging equipment. : de en
  • CA339884A - Paper manufacture : en fr
  • GB406747A - Improvements in gun mountings for aircraft : en
  • GB406791A - Improvements in oil fuel combustion apparatus : en
  • GB406928A - Improvements in the methods of preparing and feeding fabrics which are to be printed : en
  • GB407032A - Improvements in or relating to gas illuminated traffic control signals : en
  • US1949925A - Pigment and process for making same : en
  • US1950172A - Receptacle filling and draining device : en
  • USD91670S - Design fob a bottle : en
  • CA339755A - Book holder : en fr
  • US1949699A - Bifocal lens : en
  • US1949910A - Electric motor : en
  • DE593994C - Ferrari motor for direct drive of the turntable of speaking machines : de en
  • GB406795A - Resilient vehicle wheel : en
  • DE593866C - Device for determining the polarity of an alternating voltage half-wave which causes a flashover or breakdown on an insulating body : de en
  • US1949618A - Method of making drain valves : en
  • AT136805B - Wave bulge in bathtubs. : de en
  • DE593914C - Relieved welding socket connection : de en
  • GB406810A - Improvements in upholstered furniture : en
  • DE593834C - Process for the vacuum treatment of metals and alloys with melting points above 1200íÒ : de en
  • FR43157E - Distribution table for maneuvering changes, signals, or equivalent devices : en fr
  • FR760905A - Improvements made to bracelets or other similar items : en fr
  • GB406808A - Improvements in the catalytic dehydrogenation of partially or wholly hydrogenated polynuclear hydrocarbons : en
  • GB406862A - Improvements in or relating to emulsions of waxes : en
  • GB406971A - Improvements in and relating to helicopters : en
  • FR761087A - Improvements to x-ray tubes : en fr
  • GR4592B - IMPROVEMENTS IN OR IN RELATION TO HYDRAULIC CEMENT PRODUCTION. : el en
  • GB406916A - Improvements in apparatus for electrocuting animals : en
  • DE593639C - : de en
  • US1949528A - Auxiliary drawbar for motor vehicles : en
  • FR760997A - Heating device for cans or other containers : en fr
  • GB406847A - Improvements relating to perambulators, push-chairs and the like : en
  • FR760901A - Tube amplification assembly, more particularly intended for photoelectric currents : en fr
  • GB406844A - Improvements in and relating to resistances combined with electric switches : en
  • GB406905A - Improvements in or relating to electron emitting cathodes suitable for use in electron discharge devices : en
  • FR760969A - Machine for measuring and machining vehicle frames and bogies, in particular railway bogies : en fr
  • DE594052C - Piston or diaphragm pump for air or gases, the cylinder of which is connected to one or more spaces in which elastic vibrations of the working medium are excited by the movement of the piston or the diaphragm : de en
  • DE593831C - Resting, dry metal rectifier : de en
  • US1949744A - Ticket issuing register : en
  • US1949922A - Antiskidding device : en
  • US1949567A - Match box holder for ash trays : en
  • US1949713A - Material for preparing metal surfaces for painting and the like : en
  • GB406741A - Improvement in concentration of ores by flotation : en
  • DE593672C - Process for the preparation of pyridinium compounds of the anthraquinone series : de en
  • DK48468C - Device for automobile engines, in which the ignition current is stopped at the start of the engine and is switched off when the engine is stopped. : da en
  • GB406950A - Improvements relating to tips for cigarettes : en
  • US1949527A - Method of making bushings : en
  • US1949545A - Mercury arc : en
  • US1949746A - Treating wash oil : en
  • US1950322A - License tag fastening clamp : en
  • US1950364A - Fountain pen feed : en
  • DE593971C - Rail fault locator : de en
  • DE593977C - Arrangement for voltage regulation of AC power lines : de en
  • US1949820A - Scaffold : en
  • US1949875A - Pulsator for milking machines : en
  • FR761042A - Device and method for obtaining one-piece glass stoppers with pouring spout and air tube : en fr
  • FR43198E - Clutch refinements : en fr
  • US1950252A - Traveling case : en
  • FR760861A - Process for the production of a lubricating oil : en fr
  • US1949551A - Vehicle light : en
  • FR760886A - Instrument in the form of tweezers, forceps or scissors for the treatment of eyelashes, and in particular for curling them : en fr
  • GB406775A - Improvements in electric withdrawable switchgear : en
  • GB406888A - Improvements in carburettors : en
  • GB406751A - Method of tinning utensils : en
  • FR760995A - Production of white and colored matt effects on artificial bristles based on regenerated cellulose and acylated cellulose : en fr
  • FR761044A - Improvements to weaving temples : en fr
  • FR43164E - Automatic starter for internal combustion engines : en fr
  • GB406940A - Improvements in machines for boring and plugging holes in wood : en
  • DE594064C - Photographic camera with range finder : de en
  • DE594013C - Shut-off device for flow meter with differential manometer : de en
  • US1949443A - Tire shaping apparatus : en
  • DE594099C - Heating pads, heating containers or the like with a chemically active mass : de en
  • US1949661A - Automatic return paste meter : en
  • US1950168A - Storage chest : en
  • GB406836A - Improvements relating to driving arrangements for stepping switches : en
  • FR761063A - Improvements to television sets : en fr
  • GB406771A - Improved process of proofing or sizing paper or cardboard with paraffin in course of machine manufacture of said paper or cardboard : en
  • FR760988A - Glass closure for testing device, and in particular for testing devices for carrier pigeons : en fr
  • DE593950C - Direction indicators for bicycles and motorcycles : de en
  • US1949464A - Shutter mechanism for motion picture projection machines : en
  • US1950028A - Base cut-out : en
  • US1949476A - Machine for making coated woven tubes : en
  • FR760912A - Invisible gummed corners for fixing photographs, images, etc. on supports : en fr
  • GB406894A - Improvements in devices for use as food whisks or pot scrapers : en
  • DE593872C - Stair rod eyelet : de en
  • US1949575A - Irrigator : en
  • FR760865A - Advanced toy plane : en fr
  • FR760927A - Advanced razor leather : en fr
  • GB406818A - Improved means adapted to be fitted to cycles to protect the legs of riders : en
  • US1949573A - Combined shutter and awning : en
  • US1949603A - Instrument for studying vibrations and for other purposes : en
  • GB406816A - Machine for producing bobbins for dry electric cells : en
  • AT136800B - Membrane sound generator. : de en
  • USD91689S - Design for a holder for collapsible : en
  • US1949859A - Universal coupling : en
  • US1950213A - Recirculating oven : en
  • FR760903A - Machine for molding pipes or the like of cement or concrete : en fr
  • GB407344A - Improvements in electric illuminating devices : en
  • US1949511A - Grinding machine table operating mechanism : en
  • DE594019C - Roll-in mill for pasty goods : de en
  • FR760893A - Piston and rings for internal combustion engine cylinders, stamped or cast coated with anti-friction metals or alloys : en fr
  • FR760982A - Improvements to pneumatic floats for swimming and rescue equipment : en fr
  • FR761005A - Carburetor for internal combustion engine : en fr
  • GB406813A - Improvements in the valve mechanism used in connection with the piston used in internal combustion engine pile drivers, rammers and such like : en
  • GB406848A - Improvements in and relating to inflatable rubber hollow bodies : en
  • GB406743A - Improvements in and relating to the manufacture of coloured, transparent films for the photographic and cinematographic arts : en
  • GB407349A - Improved compressed air brake system and apparatus for tramway and railway vehicles : en
  • FR760897A - Cutting mechanism for harvesters, mowers and similar machines : en fr
  • US1949485A - Cyanamid seed disinfectant : en
  • US1949631A - Method for conducting high temperature hydrogenation processes : en
  • US1950205A - License plate holder : en
  • US1949439A - Knitted nonravel contoured fabric : en
  • US1949823A - Method of molding a rubber valve on the center pin of pneumatic valve insides : en
  • US1949498A - Pump-down plug : en
  • US1949708A - Glass holder : en
  • US1949986A - Carton : en
  • DK48464C - Procedure for Purification of Gases and Vapors for Hydrogen Sulfur and Sulfur Dioxide and for the Decomposition of these Sulfur Compounds during the Extraction of Sulfur. : da en
  • US1949748A - Switch cabinet with movable fuse hopper : en
  • US1949833A - Safety trolley wire holder : en
  • US1949939A - Boiler : en
  • US1950013A - Pneumatic spring : en
  • GB407007A - Improvements in or relating to ice or freezing-mixture containers particularly applicable to ice-cream freezing apparatus : en
  • CA339845A - Liquid cooling apparatus : en fr
  • AU1329833A - Improvements in wrappers : en
  • AT136755B - Circuit for electric traction vehicles. : de en
  • AT136718B - Hinged copy frames for photographic purposes. : de en
  • CA339919A - Flooring : en fr
  • US1950222A - Valve gear : en
  • US1950312A - Device for controlling the illumination of lamps : en
  • AT136762B - Electromagnetic machine with self-excitation for ignition purposes. : de en
  • CA339868A - Short wave radio receiver : en fr
  • DE593901C - Device for chalking the bump cap on billiard sticks : de en
  • FR761025A - Sophisticated bed base : en fr
  • GB406872A - Method and apparatus for sound recording and reproducing : en
  • DE594061C - Throttle control for internal combustion engines : de en
  • US1949570A - Power distributing system : en
  • DE593835C - Friction disc : de en
  • CA339864A - Conduit and coupling : en fr
  • US1949555A - Railroad freight car and door mechanism therefor : en
  • US1949611A - Propeller blade : en
  • US1949638A - Furnace wall : en
  • CA339902A - Electric discharge device : en fr
  • US1949413A - Treatment of textile materials : en
  • US1950075A - Artificial bait : en
  • DE593830C - Multiple recorder based on the potentiometric measuring method, especially for temperature measurements : de en
  • US1950038A - Explosive : en
  • FR760916A - Umbrella or portable umbrella transforming into a fixed device : en fr
  • GB407048A - Improvements in and relating to haulage gear for mining machines and the like : en
  • FR760902A - Assembly for transmitting high or medium frequency oscillations along polyphase low frequency networks : en fr
  • DE593719C - Process for the production of cathodes for discharge tubes : de en
  • US1949921A - Cleaning and protecting metals against rusting : en
  • US1950307A - Method of repairing valves : en
  • US1949676A - Refrigerating apparatus : en
  • US1949695A - Wheel, rim, and tire construction : en
  • US1949512A - Lathe for rapidly finishing a rotary work surface : en
  • US1949737A - Propeller mounting : en
  • DE594011C - Decorative mirror : de en
  • GB406753A - Improvements in and relating to adjustable seats, particularly suitable for use in aircraft : en
  • CA339759A - Elevator : en fr
  • DE593816C - Pipe connection, especially for cement pipes : de en
  • US1949761A - Portable grease gun : en
  • US1950057A - Operating mechanism for grab-buckets : en
  • FR760970A - Centrifuge machine for the production of hollow revolution bodies, in concrete : en fr
  • DE593709C - Process for the production of sulfonation products of the alcohols corresponding to the higher fatty acids, obtainable by reducing their alkyl esters : de en
  • FR761020A - Improved process for manufacturing blanks for the production of cast iron or malleable steel : en fr
  • FR43187E - Improved device to improve the work of diffusion batteries used for the extraction of sugar and useful products from plants : en fr
  • US1949880A - Bag making machine : en
  • US1950331A - Adjustable humerus splint : en
  • GB406793A - Improvements relating to meat suspension devices : en
  • US1949898A - Building block : en
  • FR760854A - Chain derailment gear change device : en fr
  • GB406958A - Process for the production of metallic magnesium : en
  • GB406969A - Improvements in and relating to frequency conversion apparatus : en
  • GB407058A - Improvements in and relating to the protective treatment of wood : en
  • US1950074A - Pulley : en
  • US1950270A - Fire extinguishing system : en
  • US1949944A - Feed guide for platen presses : en
  • US1950160A - Dispenser for mustard and the like : en
  • AT136741B - Process for the preparation of durable solutions of aminobenzoic acid alkamine esters. : de en
  • CA339749A - Inflation valve : en fr
  • CA339889A - Anti-knock fuel : en fr
  • USD91652S - Design for a buckle : en
  • FR760929A - Rest chair : en fr
  • GB406882A - Improvements in chairs : en
  • CA339858A - Knitting mechanism : en fr
  • AT136775B - High-voltage protected X-ray machine. : de en
  • CA339756A - Trailer : en fr
  • US1949821A - Signal box : en
  • US1949933A - Sulphur burner : en
  • US1950297A - Full-speed centrifuge : en
  • IE12955L - Storage batteries : en
  • DE593853C - Device for advancing the flap of folding buckles, which is to be separated from a metal band in the last work step, into the buckle bed : de en
  • FR760973A - Improvements in the realization of physical culture equipment : en fr
  • GB406865A - Improvements in and relating to the conversion of mechanical oscillations into sound waves by electromagnetic means : en
  • US1949900A - Sign : en
  • US1950344A - Unit cooler : en
  • US1949577A - Diesel engine : en
  • US1949734A - Gate for pneumatic cool-cleaning apparatus : en
  • US1950321A - Beehive : en
  • FR760926A - Vertical drum threshing device : en fr
  • GB406803A - Improvements in kettles : en
  • GB407056A - Vertical boilers : en
  • DE593981C - Rotary slide valve designed as a combustion chamber for explosion turbines : de en
  • DE594071C - Lifebuoy with footplate : de en
  • FR761006A - Method and device for manufacturing castings of compact structure : en fr
  • FR761018A - Improvements to cookie cutters, especially for leather goods : en fr
  • DK48472C - Device for radio receivers, amplifiers and the like. : da en
  • GB406962A - Improvements in vises for matrix composing and type line casting machines : en
  • GB407019A - Improvements in or relating to machines for operating upon sheet material : en
  • CA339805A - Rotary vibrating drill : en fr
  • USD91671S - Design for a textile fabric or the : en
  • DE593855C - Process for the production of lead compounds : de en
  • FR761016A - New bathroom heater : en fr
  • GB406853A - Improvements in and relating to electric terminals : en
  • GB406749A - Improvements in or relating to telephone transmitters or receivers for transmitting, reproducing or recording sound waves : en
  • GB406954A - Improved construction of shuttering for casting concrete buildings in situ : en
  • US1949707A - Weighing scale : en
  • US1950179A - Electrical separator : en
  • GB406939A - Improvements in and relating to trousers and like garment presses : en
  • GB406785A - Improvements in and relating to liquid pressure braking means for vehicles : en
  • DE593964C - Process for the production of copies from an original of any kind and using intermediate copies : de en
  • DE593803C - Flat knitting machine : de en
  • GB407033A - Improvements in and relating to string musical instruments : en
  • US1949917A - Press conveyer : en
  • GB406748A - Improvements in and relating to the use of hydrogen alone or in conjunction with other liquid or gas as fuel in internal combustion engines : en
  • DE593811C - Playback device for endless tape-shaped phonetic transcription carriers with spiral-shaped optical sound recording : de en
  • FR761014A - Provision for adjusting periodically operating absorption devices : en fr
  • US1949793A - Automatically opening and closing window : en
  • US1949865A - Fountain inking pad : en
  • US1949919A - Method of producing artificial threads : en
  • CA339827A - Thermionic valve circuit : en fr
  • US1949718A - Lift : en
  • US1950071A - Antidazzle fitting for head lamps : en
  • US1949429A - Fluid seal : en
  • US1950145A - Volume-control system : en
  • US1950178A - Mercury tube switch : en
  • FR43182E - Improvements in the compressor supply of four-stroke heat engines : en fr
  • US1949460A - Conversion of hydrocarbon oils : en
  • AT136734B - Process for the production of dry elements. : de en
  • CA339905A - Photographic film : en fr
  • DE593824C - Conveyor system with shuttle traffic by means of a motor vehicle : de en
  • FR760937A - Portable sprayer for liquids : en fr
  • FR761001A - Process for recovering chlorinated rubber from its solutions : en fr
  • US1949806A - Push button switch construction : en
  • US1950090A - Sound reproducing apparatus : en
  • US1950173A - Fiber can : en
  • GB406822A - Improvements in or relating to hard cemented carbide materials : en
  • FR761093A - Method for keeping the properties of oscillating assemblies constant : en fr
  • US1949553A - Cable drum construction for rotary draw-works : en
  • US1949993A - Unit heater : en
  • DE593679C - High-voltage choke coil with one or more winding layers arranged between pressure plates, optionally separated from one another by insulating spacers : de en
  • GB407351A - Improvements in the manufacture of films, foils and the like containing cellulose derivatives : en
  • DE593809C - Electric pickup : de en
  • GB406873A - Improvements in or relating to collars for personal wear : en
  • GB407030A - Improvements in or relating to record card controlled tabulating machines : en
  • GB406832A - Improvements in pneumatic alarm bells : en
  • DE593877C - Process for the production of coverings from felt or fabric : de en
  • DE594085C - Process for the production of basic esters of fatty acids : de en
  • FR761075A - Automatic sales device : en fr
  • DE593874C - Two-part vulcanizing mold for the production of packs : de en
  • US1949621A - Textile machinery : en
  • US1949808A - Alternating current machine : en
  • US1950330A - Signal light for vehicles : en
  • FR761022A - Railway vehicle : en fr
  • FR761037A - Improvements to terrestrial globes and demonstration celestial globes : en fr
  • FR761045A - Agglomeration and improvement processes for coal waste of all qualities and other fuel products : en fr
  • GB406922A - Improvements in gate valves : en
  • US1950228A - Rotary internal combustion engine : en
  • FR761028A - Advance device for sound recording : en fr
  • US1949984A - Pipe lining : en
  • FR43175E - Printing device particularly applicable to statistical machines, calculating machines or tabulating machines for punched cards : en fr
  • GB407051A - Improvements in or relating to the manufacture of sliding clasp fasteners : en
  • DE519317C - Device for determining the shrink-proof, needle-ready condition of tissues : de en
  • GB406855A - Process for the production of monobasic aluminium sulphite : en
  • GB407358A - Improvements in or relating to record-controlled recording machines : en
  • US1949477A - Adjustable shutter : en
  • US1949607A - Tube holder : en
  • DE593689C - Device for head, deburring and cleaning of fish : de en
  • FR760883A - Angle suspension with shock absorbers for mechanical vehicle seat or others : en fr
  • US1949503A - Dual reflector : en
  • US1949776A - Heat responsive valve : en
  • US1950078A - Method and means for disbarking long-cut lumber with the aid of disbarking drums : en
  • USD91686S - Design for a candelabra or similar : en
  • DE594030C - Device for attaching side board engines to light boats, for example folding boats : de en
  • US1950198A - Fastening protective coverings to upholstery of furniture : en
  • FR43162E - : fr
  • GB406829A - Improved sound-damping and sound insulating floor construction : en
  • GB406908A - Improvements in aerofoils for use in the construction of aeroplanes and the like : en
  • GB407335A - Improvements in or relating to the manufacture of aliphatic anhydrides : en
  • GB407367A - Improvements in or relating to the manufacture of aliphatic anhydrides : en
  • US1949882A - Detachable clasp : en
  • FR760904A - Improvements to vaporizers and more particularly to pocket vaporizers and those for ladies' bags : en fr
  • GB406915A - Tongs for bending, stripping and severing insulating tube and encased wire : en
  • DE593893C - Photographic camera with range finder : de en
  • DE1292631U - : de en
  • US1949994A - Stop light switch : en
  • US1950167A - Portable scaffold and ladder : en
  • GB406923A - Device for the production of galvanic coatings : en
  • DK48484C - Method and device for manufacturing a spring band from a flattened helical spring, the individual turns of which engage in the shape of a scale. : da en
  • US1949487A - Motion picture screen : en
  • FR760898A - Process of spinning artificial textile fibers : en fr
  • US1949809A - Alternating electric current static transformer : en
  • DE594000C - Process for the production of refractory, highly porous insulating bricks : de en
  • CA339908A - Telescopic temporary beam : en fr
  • GB406798A - Apparatus for pasting wall paper : en
  • GB407009A - Improvements in or connected with cantilever wings for aircraft : en
  • US1949400A - Bottle pouring device : en
  • DE593546C - Contact device for winding clockworks, drives and the like. like : de en
  • DE594043C - Connection of high-cut materials with high-alloy steel (high-speed steel) by soldering using an intermediate layer : de en
  • US1949440A - Static and interference eliminator for radio apparatus : en
  • US1950047A - Projection apparatus for publicity or other uses : en
  • CA339750A - Hand covering : en fr
  • GB406811A - Improvements relating to fastenings for windows, doors and the like : en
  • GB407075A - Improvements in pump or syringe apparatus for delivering liquid : en
  • GB406782A - Improvements in grinding mills : en
  • GB406998A - Mechanical means for mixing lubricant with the fuel of supercharged engines : en
  • CA339880A - Frequency control : en fr
  • GB406936A - Improvements in and relating to low temperature electric heat radiating panels : en
  • US1949857A - Fire extinguisher : en
  • US1949535A - Stencil holding tray : en
  • US1949849A - Electric discharge tube : en
  • USD91666S - Design fob an announcement board : en
  • FR760851A - Combustion process and hearth device to achieve it : en fr
  • FR761077A - Table game : en fr
  • GB406885A - Improvements in or relating to cartridge magazines for fire arms : en
  • AT136845B - DC arc welding generator. : de en
  • US1949588A - Composition for removing carbon deposits : en
  • FR761049A - Piston packing : en fr
  • FR761002A - Stabilization process for peroxide solutions : en fr
  • US1950015A - Gas burner for industrial furnaces : en
  • GB406768A - Improvements in and relating to settee-beds and chair-beds : en
  • FR760924A - : fr
  • FR760900A - Friction clutches improvements : en fr
  • US1949488A - Game apparatus : en
  • DE594069C - Movable, removable carrying handle along a carriage spring of motor vehicles for attaching a jack : de en
  • DE593968C - Process for the preparation of aminoalkylsulphonic acids : de en
  • FR760873A - Improvements to pressure regulators : en fr
  • DE593961C - Production of concentrated nitric acid : de en
  • FR761068A - Process for modifying the physico-chemical composition of liquids : en fr
  • FR761094A - Dentures : en fr
  • GB406806A - Improvements in or relating to the doubling or twisting of textile fibres : en
  • FR760928A - Light fixture for watchmaker work : en fr
  • FR761052A - Electron tube : en fr
  • US1949408A - Fluid flow regulation : en
  • US1950232A - Bag construction : en
  • DE568504C - Rotary piston machine : de en
  • DE593823C - DC synchronization system with synchronization transmitter for remote transmission of commands : de en
  • US1949953A - Sealing means for electrolytic devices : en
  • AT136743B - Antenna arrangement with dipoles lined up, especially for mobile devices. : de en
  • US1950005A - Reflector and method of making the same : en
  • US1950037A - Sliding door : en
  • DE550003C - Cooking, roasting and baking device : de en
  • US1950006A - Heated furnace with heat recirculating means : en
  • CA339859A - Stop mechanism : en fr
  • USD91674S - Design for a crucifix : en
  • DE593996C - Lubricator for consistent lubricants : de en
  • GB407387A - Starting mechanism for use in automobile, motor-cycle, bicycle or like races : en
  • CA339803A - Explosive composition : en fr
  • AU1286933A - Improvements inthe manufacture of yeast andother microorganisms : en
  • CA339817A - Liquid concentrating process : en fr
  • CA339824A - Bathing suit : en fr
  • DE593537C - Hydropneumatic suspension and shock absorption device, especially for motor vehicles : de en
  • DE593959C - Method of packaging fragile goods : de en
  • FR43160E - Hydraulic safety valve for automatic shut-off of gas lines : en fr
  • FR760888A - Process for manufacturing cooling radiator elements and elements obtained : en fr
  • GB406961A - Improvements in and relating to automatic reclosing circuit breaker systems : en
  • USD91647S - Design fob a flexible pocket : en
  • CA339778A - Sanitation equipment : en fr
  • AT136833B - Circuit arrangement for telephone systems with a main and a branch, for connection to central battery or automatic offices. : de en
  • CA339835A - Joining method : en fr
  • US1949517A - Antislipping tread and method of making the same : en
  • US1949522A - Household air cooler : en
  • US1949866A - Recuperative superheater : en
  • US1950175A - Car for mines and the like : en
  • DE594032C - Captive bolt device : de en
  • FR760856A - Method and apparatus for the production of bent sections : en fr
  • GB406941A - Improvements in or relating to combined compressed-air and magnetic-rail brakes : en
  • US1949614A - Valve seat retaining means : en
  • US1949686A - Elastic fluid turbine : en
  • US1949773A - Sleeve protector : en
  • DE593542C - Device for the automatic opening and closing of a garage door : de en
  • CA339877A - Television reception apparatus : en fr
  • US1949858A - Sparking top : en
  • DE593951C - Theft protection for motor vehicles : de en
  • FR43152E - Process for fractionating a mixture mainly composed of phenols and hydrocarbons : en fr
  • FR43195E - Improvements to Incandescent Lamps of Optical Devices : en fr
  • US1949970A - Golf club : en
  • US1950095A - Arched dam : en
  • AT136725B - Slide rule. : de en
  • FR760963A - screen intended to preserve glare : en fr
  • GB406826A - Improvements in or relating to implement attachments for motor farm tractors : en
  • DE593464C - Process for producing toothed V-belts : de en
  • US1950001A - Railway car : en
  • US1950058A - Treating hydrocarbon oils : en
  • US1950249A - Distillation of readily volatilizable metals : en
  • US1949852A - Toy telephone : en
  • US1950081A - Bathing cap : en
  • US1950346A - Cooling unit : en
  • CA339751A - Printing surface production : en fr
  • CA339843A - Cooling tower : en fr
  • US1949966A - Blank feed control mechanism : en
  • USD91651S - Design fob a deodorant container : en
  • FR761073A - Hinge for window shutters and doors, with locking device : en fr
  • CA339860A - Knitting machine : en fr
  • AT136752B - Circulating hammer device. : de en
  • US1950115A - Defroster : en
  • US1949704A - Mechanism for forming and feeding metallic envelope fasteners : en
  • US1949843A - Constant frequency difference heterodyne : en
  • US1949832A - Resinous composition and method of forming the same : en
  • US1949954A - Safety cash cabinet : en
  • US1949972A - Extension ladder and section lock : en
  • US1950349A - Air conditioning apparatus : en
  • US1949470A - Internal combustion engine : en
  • US1949824A - Roller bearing and cage : en
  • US1949871A - Electrode or terminal for electrolytic apparatus : en
  • US1950351A - Paper manufacture : en
  • FR43192E - Improvements in the manufacture of sintered hard alloys for cutting tools and similar uses : en fr
  • AU1158333A - Improvements in or relating to television systems : en
  • DE594082C - Filing folder in which the package of scripts to be filed in the folder is held by perforated and tied covers : de en
  • GB406956A - Improvements in injection nozzles for self-igniting internal combustion engines : en
  • CA339767A - Filament and thread processing : en fr
  • US1949663A - Refrigerator construction : en
  • US1949969A - Skeletal tractor for surgical treatment of fractures : en
  • AT136738B - Trocar sleeve. : de en
  • FR43165E - Motor starters : en fr
  • GB406857A - Improvements in and relating to electric motors : en
  • US1949951A - Folding chair : en
  • US1949534A - Method of and apparatus for hydrating cellulose pulp : en
  • US1949779A - Heading machine for kaffir-corn, sorghum, and the like : en
  • US1950088A - Turbine : en
  • AT136837B - Telephone handset with number switch. : de en
  • CA339873A - Boron carbide : en fr
  • CA339840A - Metal casting method from gelatine reliefs : en fr
  • DE593937C - Device for electro-hydraulic electrode control for electric arc furnaces : de en
  • DE594070C - Soft metal capsule inserted with the open end into the bottle neck with a smooth mouth wall : de en
  • FR761061A - Advanced air filter : en fr
  • GB406778A - Improvements in the manufacture and production of azo dyestuffs containing metals : en
  • DE594029C - Pump to be connected to a piston engine : de en
  • US1949819A - Method of production of mixed oil gas and water gas : en
  • US1949905A - Igneous concentration of zinc ores : en
  • US1950227A - Condensation drainer : en
  • CA339897A - Register damper control : en fr
  • DE593837C - Erosion-resistant blade for internal combustion turbines operated with dust-like fuels : de en
  • CA339796A - Refrigerating unit : en fr
  • FR760953A - Improvements to cameras : en fr
  • AT136802B - Speaker. : de en
  • DK48480C - Manufacture of articles which require a particularly high resistance to sudden high pressure, e.g. Pressure vessels and firearm parts. : da en
  • AU1147333A - Magnetic alloys : en
  • GB406828A - Calculating devices for thermionic valve circuits : en
  • CA339849A - Two cycle engine : en fr
  • FR761000A - Manufacturing process of a low capacity conductor : en fr
  • US1950054A - Hat-forming die : en
  • US1950207A - Universal joint : en
  • DE593846C - Device for bracing the free end of high excavator folding ladders against lateral forces : de en
  • DE594009C - Process for the production of magnetizable cores, which are subjected to an annealing treatment, from wires or tapes, in particular for telecommunication purposes : de en
  • AT136843B - Electric discharge tube for generating rays from the Dorno area. : de en
  • DK48473C - Device for automatic telephone systems. : da en
  • GB406812A - Improvements relating to controlling the fuel supply of internal combustion engines : en
  • DK48457C - Holder for folded book leaves. : da en
  • US1949801A - Process for obtaining fast tints on wool : en
  • GB406963A - Process for the treatment with hydrogenating gases of distillable carbonaceous materials : en
  • FR760966A - Manufacturing process for house shoes and town shoes with rubber soles : en fr
  • GB406773A - Improved method of and apparatus for measuring the resistance to deformation of asphalt paving and similar materials : en
  • GB407076A - Improvements in mechanically operated amusement apparatus : en
  • US1949466A - Process for indicating the presence of toxic substances : en
  • GB406909A - Improvements in or relating to buoyant rubber and like articles for use by bathers : en
  • CA339921A - Spray tube : en fr
  • USD91696S - Design for a water closet bowl : en
  • US1949530A - Closure : en
  • US1949867A - Doll : en
  • US1950177A - Grinder for fly cutters : en
  • FR760872A - New process and device for saving fuel in internal combustion engines : en fr
  • FR760996A - Dis- & polyazo coloring matters : en fr
  • FR760866A - Anti-rotation ball for bucket suspension clevis : en fr
  • US1949767A - Can grader : en
  • US1949894A - Glassware forming machine : en
  • US1950291A - Razor strop : en
  • AT136751B - Device for mixing the mixture with carburettor machines. : de en
  • DE593782C - Process for cutting material containing precious metals : de en
  • US1949633A - Lock : en
  • DE593596C - Engaging and disengaging device for friction clutches of presses, scissors, etc. like : de en
  • DE593895C - Twist lock on film containers : de en
  • DK48474C - Procedure and Device for Manufacturing Tape Cores. : da en
  • AT136801B - Patterning process to achieve large pattern images on longer webs. : de en
  • AU1273933A - Improvements in or relating to synchronizing devices : en
  • US1949640A - Air conditioning apparatus : en
  • US1949980A - Method and apparatus for spreading powdered materials : en
  • US1950039A - Tool slide positioning mechanism : en
  • US1950374A - Production of stereoscopic pictures : en
  • DE594035C - Carrying station for trough conveyor : de en
  • US1949909A - Motion picture apparatus : en
  • US1950034A - Rear axle : en
  • US1949459A - Joint between relatively moving members adapted to resist plastic metal under pressure : en
  • US1950100A - Chondroitin compounds and their preparation : en
  • US1950286A - Means for deodorizing sanitary napkins : en
  • US1950323A - Loom : en
  • US1950361A - Vending machine : en
  • FR760874A - Dry gas meter : en fr
  • GB406738A - Manufacture of products for use in the preparation of paints and varnishes : en
  • GB406917A - Improvements in photographic bleaching-out layers : en
  • GB406945A - Improvements in and relating to multi-cylinder internal combustion engines with forced air cooling : en
  • GB406868A - Improvements in or relating to film winding devices : en
  • GB407053A - Improvements in or relating to machines for winding wire, thread or the like from one reel, spool, or bobbin to another : en
  • DE593714C - Circuit arrangement for telephone systems with connection devices consisting of voice dialers and several voice dialers common setting dials : de en
  • FR761082A - Glow wire spark plug : en fr
  • US1949777A - Combined hydraulic lift and oil receptacle : en
  • USD91687S - Design for a candlestick or similar : en
  • CA339784A - Fabric treating apparatus : en fr
  • US1950350A - Vibration dampener : en
  • US1950226A - Chair : en
  • FR760944A - New intermediates and new dyes derived from them : en fr
  • US1950328A - Valve release : en
  • GB406946A - Improved shooting spectacles : en
  • GB407016A - New monoazo dyestuffs : en
  • FR43158E - Horizontal mounted turbine with electric current generators : en fr
  • GB406952A - Duplex acknowledgment cards with transparent envelopes : en
  • GB406904A - Improvements in wheel rims : en
  • US1950326A - Valve closed metal container : en
  • GB406866A - Improved method of mending damaged spots in fabrics : en
  • US1949758A - Door closing and checking device : en
  • FR761013A - Process for the manufacture of briquettes : en fr
  • GB406889A - An improved process for making sulphonic acids : en
  • GB406897A - Improvements in calf-ankle sock supporters : en
  • GB406920A - Feed mechanism for metal cutting machines : en
  • FR761070A - Porcelain pipes improvements for electrical installations : en fr
  • DE593973C - Mast disconnector for electrical distribution networks : de en
  • GB406774A - Improvements in or connected with gas meters : en
  • GB406792A - Improvements in shovels for household and other purposes : en
  • FR760876A - Rail anchoring system to concrete supports : en fr
  • FR760959A - Electric gas lamp : en fr
  • GB406877A - Improvements in or relating to milling machines : en
  • DE594094C - Pressure atomizer burner for liquid fuels with several individual nozzles : de en
  • GB406968A - Improvements in and relating to methods of and means for connecting together the edges of sheets or films in particular in the manufacture of bags and other containers : en
  • USD91693S - Design for a display stand : en
  • US1949997A - Paper winder : en
  • DK48477C - Firearm with Interchangeable Pipe. : da en
  • FR760890A - Valve shutter : en fr
  • DE593613C - Luffing boom, which is guided at its base on an almost straight path : de en
  • DE594004C - Automatic coupling for rail vehicles, especially rail vehicles : de en
  • GB406819A - Improved cover for protecting dresses and the like garments : en
  • US1949709A - Lighting unit : en
  • GB406976A - Improvements in the construction of alternating current electric motors : en
  • CA339786A - Motor vehicle rolling device : en fr
  • US1950110A - Transmission : en
  • US1949399A - Mine shaft ore skip and cage changing device : en
  • US1950120A - Regulator : en
  • GB407069A - Improvements in or connected with sockets, pins, plugs and other components used for electrical or other purposes : en
  • AU1278933A - Improvements in quartz sealand method of producing thesame : en
  • DE554435C - Machine with a rotating piston : de en
  • DE593710C - Process for the production of almost pure inactive menthol : de en
  • DE594023C - Sound image reproduction system for separate image and sound recording media : de en
  • US1950293A - Bottle and jar closure : en
  • USD91675S - Design fob a pencil sharpener : en
  • AT136704B - Low pressure or hot water boiler. : de en
  • AT136724B - Process for regulating the damping of oscillation circuits. : de en
  • US1949827A - Kitchen cabinet : en
  • US1949402A - Padlock : en
  • US1949590A - Control system : en
  • US1949749A - Treatment of hydrocarbon oils : en
  • US1950045A - Fitted belt for nurses' uniforms : en
  • CA339818A - Closure cap : en fr
  • CA339844A - Pulverizer : en fr
  • DE593773C - Coupling for connecting a prime mover with a three-phase generator, which at times delivers active power to the network and at times runs as a phase shifter : de en
  • CA339826A - Electrical oscillation generator : en fr
  • AT136728B - Choke chain, especially for high frequency transmission systems. : de en
  • DE593898C - At the rear fork of a bicycle with its upper vertical part rotatably arranged bicycle support : de en
  • DE593955C - Grinding disc with side reinforcement plates : de en
  • US1950318A - Lather applying device : en
  • AT136797B - Automatic shut-off device for burners in gas appliances. : de en
  • US1949916A - Soldering flux : en
  • FR760942A - Spindle spindle on ball bearings, spinning and twisting, and applicable to the processing of all textile fibers : en fr
  • GB406869A - Improvements in and relating to respiratory appliances : en
  • DE593897C - Suspension for motor vehicles : de en
  • DE593721C - Process for producing transparent effects on silk : de en
  • FR761043A - Airtight metal closure applying to all bottles and similar containers : en fr
  • GB406789A - Counter cabinet : en
  • DE593999C - Device for distributing the cigarettes coming from a straight cigarette machine onto several conveyor belts : de en
  • DK48460C - Procedure for Making Socks. : da en
  • FR760985A - Tool refinements for glass polishing : en fr
  • GB406767A - A process and apparatus for effecting the electro-deposition of metals : en
  • DE593813C - Dynamic balancing process : de en
  • DE593905C - Socket set : de en
  • US1949666A - Price indicator : en
  • US1950157A - Suction cleaner : en
  • DE593723C - Process for the preparation of benzoic acid esters of the alcohols of the terpene series : de en
  • US1949586A - Dry cell : en
  • US1950345A - Water-cooling tower : en
  • US1950131A - Lamp construction : en
  • US1950134A - Centralized lubricating apparatus : en
  • FR761056A - Process for cracking coal tars and bituminous shale oils and recovering by-products : en fr
  • US1949620A - Thread moistening device : en
  • US1950117A - Variable pitch screw propeller : en
  • US1950296A - Driving mechanism for engine starters : en
  • US1950231A - Attaching means for ornamental devices : en
  • US1950316A - Foldable liner for freight cars : en
  • DE593812C - Talking machine for zone-wise playback of sound recordings : de en
  • DE593869C - Device for dividing cake surfaces : de en
  • AT136717B - A raincoat. : de en
  • US1949646A - Electrical connecter : en
  • CA339781A - Television system : en fr
  • US1949979A - Container and sealing means therefor : en
  • DE593626C - Block device for railways : de en
  • US1950086A - Printing press : en
  • US1950165A - Display board locking device : en
  • US1949680A - Timber piling : en
  • US1949840A - Sound reproducing method : en
  • US1950265A - Cake box : en
  • US1950036A - Cord clamp for portable electric tools : en
  • US1950089A - Method of forming solid bodies with predetermined arrangement of constituent particles : en
  • US1949983A - Spinning of artificial filaments and the like : en
  • AT136759B - Device on range finders with measuring rod and measuring threads for transferring the multiplication constant to a whole, unchangeable value. : de en
  • CA339766A - Filament and thread processing : en fr
  • USD91642S - Design fob a bug : en
  • DE594012C - Safety device on liquid measuring devices to prevent an automatic reversal : de en
  • US1949990A - Treating hides, skins, leather or the like : en
  • US1950142A - Gauge : en
  • US1949598A - Cutter for boiler tubes or flues : en
  • US1950201A - Spraying attachment for vacuum cleaners : en
  • DE593849C - Stripping device for presses for the production of hollow bodies : de en
  • AT136710B - Method and apparatus for developing photographic plates and films. : de en
  • US1950354A - Improved pressure molding method : en
  • CA339792A - Fish lure : en fr
  • CA339838A - Cellulose ester composition : en fr
  • CA339799A - Metallic casket : en fr
  • AT136744B - Method and device for microscopic examination of the condition of surfaces. : de en
  • AT136722B - Indirectly heated cathode. : de en
  • US1949626A - Wardrobe case : en
  • US1949685A - Automatic control device for electric arc welding and other apparatus : en
  • US1949754A - Bottle opener : en
  • US1950239A - Stoker conveyer trough : en
  • CA339802A - Absorbent material processing : en fr
  • US1949596A - Electrical connection : en
  • AT136721B - Process for the preparation of a tumor growth inhibitor. : de en
  • AT136731B - Fast lens. : de en
  • AT136787B - Method of operating an amplifier tube for voltage amplification. : de en
  • CA339874A - Graining process : en fr
  • US1949602A - Car dumper : en
  • US1949874A - Pump valve : en
  • GB406852A - Improvements in and relating to electric motors : en
  • US1949533A - Quilting frame : en
  • US1949750A - Derrick structure and method for raising a derrick mast : en
  • US1949844A - Weighing device : en
  • FR760955A - Compensating chain mechanism for wagon trains : en fr
  • FR760980A - Fixing device of spiked teeth on their supports : en fr
  • FR760991A - Multi-cylinder air-cooled motor and cooling fan : en fr
  • GB407050A - Improvements in or relating to plastic materials : en
  • CA339820A - Handle : en fr
  • US1949845A - Combination mirror and folding ironing board : en
  • US1950217A - Washing and wringing machine : en
  • US1950260A - Lined brake shoe : en
  • AU1167633A - Improvements in or relating to apparatus forthe electrical precipitation of suspended particles from gaseous fluids : en
  • CA339857A - Metal threading apparatus : en fr
  • AT136713B - Device for displaying vehicles moving in a specific direction. : de en
  • DE594027C - Process to make wire rope tires with broken wire inserts in the beads usable again : de en
  • DE593748C - Button with a resilient wire bracket serving to fasten it : de en
  • US1949456A - Mechanical movement for motion picture machines : en
  • US1949958A - Slide caster : en
  • US1950097A - Electrical shaving machine for dryshaving : en
  • US1950343A - Reenforcement for headers and stretchers : en
  • US1949830A - Dual drive multiwheel road vehicle : en
  • USD91673S - Design for a prie dieu : en
  • DE561234C - Vacuum vessel : de en
  • DE593953C - Two-part valve connector : de en
  • AT136810B - Beach sandals. : de en
  • US1950184A - Pupin cable for simultaneous low frequency and carrier frequency telephony : en
  • GB407044A - Improvements in the manufacture of sweetmeats : en
  • AU1204233A - Improvement inthe method of manufacture of basic alum : en
  • DE587105C - Flush lifter for sewer systems : de en
  • GB406784A - An improved machine for polishing safety razor blades : en
  • US1949715A - Fertilizer containing phosphorus, nitrogen and potassium compounds : en
  • US1949780A - Blowpipe tip : en
  • US1950243A - Shaft bearing : en
  • FR760975A - Electric incandescent lamp, discharge tube or flash lamp : en fr
  • US1949635A - Safety oar lock and suspender : en
  • CA339815A - Ore flotation agent : en fr
  • CA339917A - Textile appliance : en fr
  • GB406752A - Improved tools for the attachment of fastenings and fittings to attache cases, trunks, bags and the like : en
  • GB406880A - Improvements in electric discharge tubes : en
  • USD91694S - Design fob a weighing machine casing : en
  • US1949740A - frjden : en
  • US1950135A - Garment or ironing press : en
  • US1950220A - Combination flowing device : en
  • GB406903A - Methods and apparatus for measuring distances : en
  • GB407000A - Improvements in the manufacture of artificial filaments, threads, and ribbons : en
  • FR761009A - Coin case, or other items : en fr
  • GB406714A - A process for the production of alcohols : en
  • US1949792A - Combination opening and display clip for cans : en
  • US1950147A - Refrigeration : en
  • US1949906A - Foot exerciser : en
  • US1949973A - Electrical connecter : en
  • GB406746A - Improvements in and relating to the manufacture of cleansing materials : en
  • GB407311A - Process for the manufacture of sodium nitrate : en
  • GB406740A - An improved machine for printing on glass, metal and like materials : en
  • DE593797C - Electrical switch with three switch positions, especially star-delta switch : de en
  • FR760971A - Improvements to roads, sidewalks, floors and other surfaces : en fr
  • GB406744A - Improvements relating to circuits including thermionic valves for the amplification of electric signals : en
  • US1949445A - Adding machine : en
  • DE594096C - Fresh air supply for gas generators : de en
  • US1949513A - Grinding wheel : en
  • US1949802A - Closure for containers : en
  • US1950129A - Telephone system : en
  • DE587519C - Rail butt connection by means of two clamp-shaped longitudinal strips pressed onto the rail foot : de en
  • US1949409A - Sound recording and reproducing apparatus : en
  • US1949842A - Unicontrolled radio circuit : en
  • USRE19102E - Flue construction : en
  • FR760922A - Forage press : en fr
  • USD91688S - Design for a candelabra or similar : en
  • US1949960A - Bottle capping machine : en
  • US1950298A - Grave marker : en
  • US1949414A - Landing tutor : en
  • US1949937A - Inking mechanism : en
  • US1950373A - Printing machine : en
  • FR43155E - Exhibition board or album sheet for various objects : en fr
  • AT136778B - Method for sealing hollow bricks. : de en
  • CA339851A - Wheel rim : en fr
  • US1949896A - Gasoline product and method of refining : en
  • DE594068C - Process for producing colored images : de en
  • FR43173E - Improvements made to ringed tubes and rings used for their assembly : en fr
  • DE593394C - Means to prevent the fogging of transparent or reflective surfaces : de en
  • GB406967A - Improvements in series oscillators : en
  • DE593878C - Phonetic carrier : de en
  • US1949897A - Fastener for guard fences : en
  • DE593928C - Receiver for wireless signals : de en
  • FR760889A - Chromate laundry production : en fr
  • US1949889A - Slide fastener : en
  • CA339853A - Cushioning mechanism : en fr
  • DE593935C - Contact arrangement for control switching mechanisms of tap transformers that can be switched under load : de en
  • FR43154E - Combustion process for coals and other fuels : en fr
  • FR43168E - Rapid fire pistol : en fr
  • FR43200E - Machine for tamping concrete or any other material used in the construction of road surfaces : en fr
  • FR761053A - Paper for print transfer : en fr
  • DE593944C - Acid-proof pipes with collars or flanges : de en
  • DE594028C - Conical valve plug made of rubber for air pumps : de en
  • FR760932A - Method for supplying alternately direct current in opposite directions to an electric motor, by means of a remote control : en fr
  • GB406796A - Improvements in and relating to high-voltage bushings : en
  • US1950122A - Valve : en
  • FR760946A - Brush : en fr
  • FR760899A - Receipt recording device by t. s. f. : en fr
  • FR761023A - Process for recovering vanadium from cast iron : en fr
  • GB406921A - Improvements in or relating to grinding or abrading tools for extremely hard alloys : en
  • GB406947A - Improvements in or relating to damping brushes : en
  • GB406886A - Improvements in hair treating apparatus : en
  • US1949437A - Means for controlling the flow of fluids : en
  • US1949492A - Folding chair : en
  • GB406892A - Improvements in screw-thread cutting dies : en
  • US1949506A - Method for making rubber threads or strands : en
  • US1949518A - Refrigerating system : en
  • CA339798A - Station indicator : en fr
  • FR760972A - Improvements to electric capacitors : en fr
  • FR761099A - Instant release locking device by remote control for animal collars and other applications : en fr
  • DK48483C - Automatic Fire Alarm Device. : da en
  • US1949964A - Conveyer mechanism : en
  • DE593851C - Bending machine : de en
  • DE593995C - gear : de en
  • GB406769A - Improvements in or relating to fasteners : en
  • DE593296C - Process for the production of pure isocholesterol from wool fat : de en
  • GB406970A - Improvements in tractors or similar vehicles : en
  • AT136754B - Voltage converter for high voltages. : de en
  • AT136706B - Process for making records. : de en
  • FR761034A - Improvements to taps : en fr
  • GB406739A - Improvements in or relating to electromagnetic vibration translating devices : en
  • CA339825A - Radio transmitter and receiver : en fr
  • US1949415A - Flushing arm attachment for water closets : en
  • US1949956A - Ore flotation and flotation reagent : en
  • US1950055A - Sole and heel trimming attachment : en
  • US1950210A - Harvester : en
  • US1950219A - Spun glass method and apparatus : en
  • CA339911A - Cinder chrome building unit : en fr
  • US1949647A - Centrifugalizer : en
  • US1949697A - Grader screen : en
  • US1949804A - Razor blade sharpener : en
  • US1949554A - Target : en
  • US1949605A - Compound air preheater for burners : en
  • USD91672S - Design for a game board : en
  • US1949410A - Aircraft sustaining rotor : en
  • US1949420A - Method of applying an adhesive surface to a web : en
  • US1949656A - Art of cracking hydrocarbons : en
  • AT136746B - Electric discharge tube. : de en
  • AT136814B - Machine for the continuous production of blind wood layers for blockboard. : de en
  • CA339907A - Floor and roof : en fr
  • FR761055A - Drawing process for conical tubes : en fr
  • DE593708C - Machine for polishing the joint edges of shoe soles : de en
  • US1949694A - Noiseless electric switch : en
  • US1950348A - Anthraquinone derivative and process of preparing the same : en
  • CA339754A - Rubber printing plate manufacture : en fr
  • AU1262333A - Insecticides : en
  • US1949677A - Shipping jacket for ice cream : en
  • US1949733A - Dual-vario selector tuning device : en
  • US1949989A - Process for treating oil : en
  • AT136819B - Process for the production of an oven dish made of several strips of wood. : de en
  • DE593738C - Device for disinfecting books, reading folders and similar objects : de en
  • CA339757A - Dust handling system : en fr
  • US1950104A - Box : en
  • AT136745B - Device for showing photos in classrooms, halls or similar rooms in daylight. : de en
  • US1950181A - Combined electrical connecter and fuse plug : en
  • DE594006C - Plug for electrical plug devices : de en
  • CA10248S - Bottle : en
  • US1949736A - Method of and apparatus fob : en
  • US1949770A - Doorlatch : en
  • US1949838A - Oxidation product of sulphur-containing derivatives of higher fatty acids and process of making same : en
  • US1950030A - Grinding and polishing machine : en
  • US1950255A - Box fastener : en
  • US1950247A - Bubble tower tray : en
  • DE593910C - Device for switching off the anode voltage in vacuum tubes with indirectly heated cathodes : de en
  • CA339744A - Conveyer grizzly : en fr
  • CA339894A - Irradiating apparatus : en fr
  • AT136705B - Accordion. : de en
  • US1950093A - Automatic train pipe connecter : en
  • US1950128A - Supporting frame and tray for beds : en
  • US1949578A - Mail box : en
  • US1949751A - Individual and combination auto sleeper tent : en
  • FR760964A - Process for delustering textile fibers and textile products : en fr
  • AT136844B - Circuit arrangement for the correction of current surges. : de en
  • US1950111A - Foldable container : en
  • US1950188A - Machine for fabricating coiled spring structures : en
  • US1950327A - Valve closed metal container : en
  • US1950076A - Spring darning attachment for sewing machines : en
  • USD91659S - Design for a textile fabric or : en
  • GB406927A - Improvements in and relating to the manufacture of rubber tubes : en
  • DE593728C - Circuit arrangement for telephone systems with dialer operation : de en
  • US1949599A - Metal working : en
  • US1949739A - Coil retaining means : en
  • US1950282A - Display case : en
  • FR43174E - Method and devices for the construction of seamless pipelines : en fr
  • FR760910A - Improvements to thrown ball games : en fr
  • FR760921A - Improvements in the assembly of screens : en fr
  • GR4594B - METHOD OF MANUFACTURING SPECIAL EMULSION FOR ROAD COATING AND MAINTENANCE. : el en
  • DE593980C - Cell for molten electrolysis with a solid metallic current collector : de en
  • GB406898A - Improvements in and relating to cutting mechanism for cigarette making machines : en
  • US1949903A - Label for students' unknown analysis sample packages : en
  • US1949891A - Process for the manufacture of valuable products from coal and other oxygen-containing carbonaceous materials : en
  • US1950164A - Toy airplane : en
  • US1950133A - Water reservoir : en
  • FR761092A - Carburetor improvements for internal combustion engines : en fr
  • DE593970C - Connection bellows for railroad cars : de en
  • GB406809A - Improved means for supporting pottery-ware during firing operations : en
  • US1949735A - Apparatus for ventilating and conditioning buildings : en
  • US1949991A - Conveyer system for handling washing machine tubs during the process of enameling : en
  • GB407347A - Improvements relating to the interconnection of tubular electric heaters : en
  • AT136702B - Driving wheel, especially for tractors, with a gripper wheel arranged next to the running wheel. : de en
  • US1949520A - Vibration damper : en
  • US1950263A - Drying apparatus for malt and similar grain : en
  • DE593956C - Protection scheme : de en
  • FR761027A - Improvements to the means for establishing textile supports intended to be subjected to an exfoliation or other operation, in particular for tires : en fr
  • GB406846A - Improvements in or relating to dis-connectible couplings for pipes and tubes : en
  • GB407366A - Improvements in and relating to apparatus for games and amusement purposes : en
  • FR760911A - Folding electric chandelier device, with transformations : en fr
  • AT136739B - Facility for removing suspended matter from sewage treatment rooms, dams, etc. like : de en
  • GB406949A - Feeding mechanism for sewing machines : en
  • FR760919A - shelf immediately adaptable to counter scales, cash registers, etc. : en fr
  • FR761091A - Advanced damping mechanism for vehicles : en fr
  • US1950146A - Apparatus for cleaning bottles : en
  • FR760962A - Improvements to roads, sidewalks, floors and other surfaces : en fr
  • US1950202A - Terminal coupling for well strainers : en
  • US1950273A - Timing system : en
  • FR761024A - Method and apparatus for the storage and transport of carbonic acid at low pressure : en fr
  • GB407049A - Improvements in boilers for liquefying bituminous or like matter : en
  • DE571125C - Device for removing individual sheets from a stack of sheets : de en
  • FR760894A - Evacuating revolver-drum for cigarette making machines by cutting a sausage : en fr
  • GB406913A - Improvements in and relating to grid-controlled rectifiers : en
  • GB406914A - Manufacture of indigoid dyestuffs : en
  • US1950199A - Fuse : en
  • CA339752A - Direction indicator : en fr
  • GB407040A - Improvements in the purification of gases containing hydrogen sulphide : en
  • DE594065C - Cinematographic recording and playback device with optical compensation : de en
  • US1949579A - Weaving terry fabrics : en
  • US1949703A - Body gyrating mechanism : en
  • GB407006A - Improvements in or relating to mowing or reaping machines : en
  • FR761097A - Improvements in the manufacture of paints and varnishes : en fr
  • GB406948A - Improvements in or relating to ship's logs, fluid meters and the like : en
  • GB407045A - Improvements in or relating to apparatus for use in playing or practising the game of golf : en
  • DK48463C - Apparatus for Removing Ribs from Tobacco Blades. : da en
  • GB406801A - Improvements in or relating to the doubling or twisting of yarns or threads : en
  • DE1293546U - : de
  • GB406841A - An improved method of capping sealed envelopes such as electric discharge tubes or the like : en
  • GB406854A - Improvements in or relating to electromagnetic switches of the type used in telephone systems : en
  • FR760960A - Improvements in the manufacture of galvanized steel sheets : en fr
  • FR761017A - Instrument with contacts, in particular for direct or remote adjustment or for telemetry using an auxiliary motor : en fr
  • FR760949A - Apparatus for the rational carbonization of wood in order to obtain a charcoal of high calorific value : en fr
  • US1949775A - Fluid composition : en
  • US1950262A - Brake shoe structure : en
  • AT136783B - Electrolytic capacitor. : de en
  • GB407047A - A process for the production of planographic printing surfaces on metal : en
  • US1950269A - Decorative grave closure : en
  • USD91654S - Design for a roofing element or : en
  • US1949629A - Di-thiophosphate compounds : en
  • US1949862A - Timbale iron : en
  • US1950302A - Sample taking mechanism for body makers : en
  • US1949472A - Apparatus for making fibrous materials : en
  • US1949526A - Grid pasting machine : en
  • US1949810A - Method of making combustible gas : en
  • US1949768A - Shoe sewing machine : en
  • US1949417A - Lasting machine : en
  • US1949482A - Scraping machine : en
  • AT136732B - Footrest. : de en
  • FR760967A - Gasometer piston : en fr
  • GB406723A - Improved manufacture of seed disinfectants and their application : en
  • AU1162633A - Improvements in or relating to electrical resistances, resistance heaters andthe like : en
  • FR761030A - Device for producing tilting or sawtooth oscillations, particularly for television devices : en fr
  • DE593638C - Tubular reinforced concrete mast : de en
  • GB406718A - Improvements in and relating to hair waving : en
  • FR760930A - Motor-transformer unit that can be submerged in water, in particular to operate submersible pumps : en fr
  • GB406758A - Apparatus for the deeper setting of growing plants : en
  • CA339774A - Catafalque : en fr
  • GB406966A - Tool carrier for lathes, planing machines and the like : en
  • US1949822A - Automatic blasting cap crimping device : en
  • US1950119A - Electrode structure of electrolytic condensers : en
  • GB406838A - Improvements in machines for turning square and other non-circular ingots or like bodies : en
  • GB407313A - Process for the manufacture of potassium nitrate : en
  • FR761010A - Improvements to illumination sockets : en fr
  • US1950182A - Multiple conductor cable : en
  • US1949471A - Oil heating device : en
  • US1950193A - Protective arrangement for electric circuits : en
  • FR760935A - Electro-magnetic game system : en fr
  • GB406944A - Improvements in and relating to bearing brasses : en
  • GB406765A - Improvements in book markers and page holders : en
  • GB406964A - Medicated alcoholic beverages : en
  • DE594005C - Electrical insulating material for telecommunications cables and process for its manufacture : de en
  • DK48465C - Process for the Preparation of 1-Phenyl-2,3-dimethyl-4-alkylpyrazolone- (5). : da en
  • US1949426A - Building construction : en
  • FR43178E - Improvements to ferrous metals : en fr
  • FR760864A - Enhancements to multiple valve converters : en fr
  • FR760909A - Improvements in the construction of light vehicle wheels on ball bearings : en fr
  • GB406858A - Improvements in and relating to screening, consolidating and like vibratory apparatus : en
  • DE593663C - Brake arranged in front of a rocker : de en
  • DE593957C - Spring-loaded metal clip to hold ski boards and ski sticks together : de en
  • DK48462C - Self-filling Filling Pen. : da en
  • GB406755A - Change speed control mechanism for motor cycles and like vehicles : en
  • DE593923C - Manufacture of alkali sulfates : de en
  • GB407073A - Improvements in and relating to electric control systems employing saturable reactances : en
  • GB407320A - Improvements in or relating to record-controlled recording machines : en
  • DE593654C - Winding device for remontoir watches : de en
  • US1949999A - Tube cutting machine : en
  • US1950021A - Extension table : en
  • US1949652A - Plumb bob : en
  • DE594016C - Cashier with rotating coin channel : de en
  • GB406827A - Improvements in tables for games of skill : en
  • GB406972A - Improved process for desulphurisation of gases and vapours : en
  • DE593942C - Device to prevent damage to the grate trolleys on belt rusting and sintering devices : de en
  • DE594097C - Textile machine, especially flat weft knitting machine : de en
  • US1950248A - Massager : en
  • DE583578C - Process for the transfer of potash salts, in particular potassium chloride, into storable and easily spreadable form : de en
  • DE593931C - Method for producing an electrical resistor with a metallic silicon layer on an insulating carrier : de en
  • GB406837A - Improvements in windscreen wipers : en
  • GB407034A - Improvements in or relating to the production of hydrocarbons by the treatment of distillable carbonaceous materials with hydrogenating gases at elevated temperatures : en
  • USRE19099E - Tissue filler : en
  • FR760941A - Hearing aid to be placed in the ear : en fr
  • US1949478A - Fly wheel mounting : en
  • US1949560A - Burner : en
  • DK48470C - Heat transfer device for refrigeration machines. : da en
  • CA339886A - Elastic looped fabric : en fr
  • DE593974C - Current displacement resistance : de en
  • CA339879A - Pushpull amplifier : en fr
  • US1949901A - Apparatus for fire finishing glass articles : en
  • AU1325533A - An improved method of reconditioning asphalt paving materials : en
  • AT136750B - Hair curlers. : de en
  • US1949669A - Apparatus for treating fibrous material : en
  • US1949687A - Arc lamp : en
  • US1950062A - Frame for screens and the like : en
  • US1950187A - Statistical machine : en
  • US1950108A - Electric signal system : en
  • US1949719A - Lift : en
  • AT136830B - Device for diathermy treatment in a capacitor field of short-wave electrical oscillations. : de en
  • US1949690A - Plunger packing : en
  • DE593645C - Device for the automatic adjustment of registration devices or the like. : de en
  • US1949500A - Universal joint : en
  • DE556143C - Process for the preparation of compounds of sulfosalicylic acid with phenyldimethylpyrazolone or dimethylaminophenyldimethylpyrazolone : de en
  • DE593101C - Photosensitive photographic layers : de en
  • DE593682C - Three-phase current meter with three drive systems acting on one or more armature disks for three-phase systems with neutral : de en
  • DE593807C - Fine adjustment for elevators : de en
  • DK48479C - Procedure for the production of ethyl alcohol. : da en
  • DE593664C - Installation on caissons for the foundation of structures : de en
  • US1949610A - Method of making packing : en
  • FR760986A - Improvements to glass lapping devices : en fr
  • US1949985A - Apparatus for killing animals by electricity : en
  • US1949689A - Relay system : en
  • US1949853A - Deconcentrator : en
  • US1949630A - Process for catalytic hydrogenation of hydrocarbon oil and the like : en
  • FR761019A - : fr
  • AU1152533A - An improved method and spraying apparatus for the treatment of sheep and other stock : en
  • US1950359A - Method of making carbolic acid : en
  • US1949675A - Fruit juice extractor : en
  • US1949943A - Device for detecting defects in yarn, thread, and the like : en
  • US1949600A - Luminous indicator for measuring instruments : en
  • US1949781A - Tarnishproof cloth : en
  • US1949841A - Fuse for shells : en
  • US1949422A - Plotting device : en
  • US1949625A - Manifolding assembly : en
  • US1949786A - Method of deacidifying gasoline : en
  • FR760896A - Formwork and equipment device for circular constructions : en fr
  • FR760882A - Improvements to cotton felt-dryers for papermaking machines : en fr
  • DE593921C - Process for the production of bread dough, cake dough u. like : de en
  • DE593791C - Centrifugal machine drive with electric motor and turbine : de en
  • US1950341A - Rheostat : en
  • US1949710A - Valve for vacuum pumps : en
  • GB407046A - Concealed lock device : en
  • GB407321A - Improvements in, or relating to, pit props : en
  • US1950264A - Grinding apparatus : en
  • FR760915A - Device for crimping boxes of shapes : en fr
  • FR760923A - advanced shaving soap case : en fr
  • DE594080C - Process for the production of furnace linings, insulation and the like like : de en
  • US1949714A - Photography : en
  • US1949864A - Allocator for duplicating stamps : en
  • FR761076A - Process for the production of pure coal in the highly divided state : en fr
  • GB406724A - Improvements in and relating to electric wire conduits : en
  • AU1260533A - Improved means for driving magneto electric machines : en
  • US1949509A - Cutting means : en
  • US1949566A - Necktie : en
  • US1949438A - Cleaning and annealing machine : en
  • AT136822B - Method and device for registering vibrations. : de en
  • AT136847B - Process for preserving cucumbers and the like like : de en
  • US1949753A - Cooling system for motor vehicle engines : en
  • US1950283A - Illuminated license plate : en
  • GB406831A - Improvements in or relating to tumbler switches : en
  • US1949593A - Wire fabric seam and method of producing same : en
  • US1950166A - Variable focus lens unit : en
  • CA339763A - Gas furnace : en fr
  • CA339780A - Indicator : en fr
  • AT136835B - Packaging for chocolate pieces etc. like : de en
  • US1950048A - Nonskid tire cover : en
  • US1949604A - Manufacture of artificial filaments or threads : en
  • US1949971A - Brake gauge adapter : en
  • US1950319A - Acoustic apparatus : en
  • CA339852A - Tire tread : en fr
  • US1949721A - Balance : en
  • CA339882A - Oscillation generation : en fr
  • CA339896A - Engine throttle control : en fr
  • US1949542A - Piston : en
  • US1949923A - Apparatus for forming lugs in thread protectors : en
  • US1949789A - Fuel pump for diesel engines : en
  • US1949941A - Game : en
  • CA339771A - Pharmaceutical preparation : en fr
  • AU1163933A - Improvements in burglar alarms : en
  • USD91690S - Design for an emblematic pin or : en
  • US1949495A - Box folding machine : en
  • US1950159A - Paper winder : en
  • AU1264233A - Improved proofing solution : en
  • US1949546A - Gear-cutting machine : en
  • US1949655A - Art of cracking hydrocarbons : en
  • US1950174A - Exercising machine : en
  • DE593737C - Process for the production and aftertreatment of rayon, especially viscose or copper silk, using the spool spinning process : de en
  • DE593829C - Triggering device for electrical rotary switches with right and left switching : de en
  • DE593729C - Circuit arrangement for telephone systems with connection devices consisting of setting and voice dialers : de en
  • GB406839A - Improvements relating to pedals for cycles, and their manufacture : en
  • US1950079A - Aromatic amine : en
  • CA339773A - Dipped rubber goods : en fr
  • DE593883C - Draw device : de en
  • AT136726B - Process for removing protein substances from liquids containing them. : de en
  • DE593777C - Flat weft knitting machine : de en
  • AT136761B - Motor generator, especially with a radial engine. : de en
  • US1949722A - Insecticide : en
  • AU1165133A - Improved hose support : en
  • GB406797A - A new or improved indicating device for use on centrifugal machines to facilitate obtaining balance thereof : en
  • US1949945A - Steam-heating system for hosiery driers and the like : en
  • US1949712A - Pressure indicator for pneumatic tires : en
  • CA339808A - Bisulphite liquor production : en fr
  • US1950033A - Two color stereoscopic device : en
  • US1949720A - Toy track : en
  • US1949851A - Necktie : en
  • DE571169C - Process and device for industrial oil gas production : de en
  • FR760945A - Device for the production of cold and the purification of fumes : en fr
  • FR761038A - Nozzle for the distribution of finely divided material conveyed by gas : en fr
  • FR761096A - multiple use square : en fr
  • GB406938A - Tubular rubber tyre reinforced with metal springs for vehicle wheels in general : en
  • FR761085A - New azo dyes, insoluble in water, and their preparation process : en fr
  • FR760992A - Barrel drain : en fr
  • FR43193E - Device for attaching a frame to the neck of a lighting device : en fr
  • DE593793C - Receiving arrangement with multi-level high frequency amplification : de en
  • US1950335A - Protective device for riser pipes and valves thereon : en
  • US1949731A - Agitating and heating device for steel melting processes : en
  • AT136809B - Shape-retaining packaging made of thin material. : de en
  • US1950163A - Accelerator controlled automotive transmission : en
  • US1949649A - Match : en
  • US1950024A - Production and treatment of textile and other materials made of or containing cellulose derivatives : en
  • DK48459C - Folding box with layer. : da en
  • CA339878A - Radio interference preventing device : en fr
  • CA339922A - Thermo-therapeutical apparatus : en fr
  • CA339828A - Wall paper semi-trimming apparatus : en fr
  • US1949657A - Food composition : en
  • CA339769A - Lock device : en fr
  • AT136789B - Amplifier circuit. : de en
  • AU1247433A - An improved process forthe manufacture of steel : en
  • AU1390033A - Improvements instone quarrying and crushing plants : en
  • US1949879A - Bag making machine : en
  • US1950271A - Hood fitting for motor and other vehicles : en
  • CA339830A - Acid concentration apparatus : en fr
  • CA339895A - Power shovel cab : en fr
  • US1949612A - Self-lubricating piston : en
  • US1949836A - Preserving receptacle : en
  • DE594048C - Railway vehicle for receiving powdery fuel and with a device for feeding the fuel to the locomotive : de en
  • FR760920A - Embroidery process in several colors using a single needle : en fr
  • GB406788A - Manufacture of aminoalkylsulphonic acids and salts thereof : en
  • US1950061A - Hull extractor : en
  • US1949837A - Sulphoderivatives of higher fatty acids : en
  • US1949918A - Calculating machine : en
  • CA339842A - Photographic film cartridge : en fr
  • CA339811A - Nest : en fr
  • US1950236A - Gas producer and other furnaces : en
  • USD91691S - Design for a bottle : en
  • US1949428A - Fluid seal : en
  • US1949803A - Vaporizer : en
  • US1950068A - Production of nutkient salt : en
  • DE593799C - Device for the compulsory compliance with a company size according to a prescribed schedule at one point of a network fed by several units working in parallel : de en
  • GB406912A - Improvements in electric variable resistances : en
  • US1950049A - Circuit breaker : en
  • US1950284A - Molding machine : en
  • AT136848B - Air cooling device for firearms. : de en
  • CA339898A - Cop-holder : en fr
  • US1949885A - Attachment for gas governors : en
  • US1949651A - Absorption refrigerating system : en
  • US1949474A - Suction cover for centrifugal pumps : en
  • US1949692A - Plaster board : en
  • US1949887A - Method for making blown glass articles : en
  • US1949585A - Automatic aligning attachment for steering gears : en
  • US1949747A - Warp stop motion : en
  • US1949569A - Structural steel bracket : en
  • US1949576A - Leather lacing needle : en
  • US1949706A - Manual clear signal device for adding machines : en
  • US1949787A - Airplane : en
  • US1950112A - Fin radiator : en
  • US1950102A - Hat working machine : en
  • US1950242A - Shoe tree support and carrier : en
  • US1949850A - Automobile hood lock : en
  • US1949884A - Method of coloring vitreous articles : en
  • US1949975A - Variable speed grinder : en
  • CA339745A - Carbonaceous material hydrogenation : en fr
  • US1949847A - Coal conveyer : en
  • US1949765A - Hydrocarbon oil conversion : en
  • AT136780B - Device for adapting radio and record playback devices to wire radio networks. : de en
  • AT136765B - Water meter test station. : de en
  • US1950124A - Wetproof heating pad construction : en
  • DE593671C - Process for the preparation of pyridinium compounds : de en
  • GB406891A - Constant-mesh variable speed gearing : en
  • US1949442A - Closet seat : en
  • US1950014A - Sealing strip for buildings : en
  • CA339909A - Chain saw : en fr
  • US1949455A - Fire shutter for motion picture projectors : en
  • US1950204A - Fruit and vegetable display stand : en
  • US1950332A - Hydraulic actuating means for lathe slides : en
  • US1950353A - Method and apparatus for dispensing gas material : en
  • AT136770B - Method and device for dedusting tobacco portions intended for the formation of cigar coils. : de en
  • DE593684C - Method and device for the base of electrical devices, in particular electrical incandescent lamps : de en
  • DE593969C - Method of manufacturing a cooker absorber for absorption machines : de en
  • GB407060A - Draw works for well drilling plant : en
  • US1950121A - Governor : en
  • US1950233A - Safety guard for punch presses : en
  • US1949760A - X-ray apparatus : en
  • US1949911A - Photographic developer : en
  • US1950041A - Detachable shoe sole and heel : en
  • DE593836C - Drive device for tape or wire-shaped, preferably magnetic sound carriers : de en
  • US1949684A - Sectional baking oven : en
  • US1950369A - Flash light baton : en
  • USD91660S - Design for an ash tray holder : en
  • GB406973A - Electrical pocket-lamp : en
  • FR761026A - Control sight for liquid column : en fr
  • US1950127A - Communication system : en
  • US1950279A - Process of producing a water-repellent coating on paper or similar material : en
  • DK48482C - Method for Manufacturing Impregnated Textile Straps. : da en
  • US1949662A - Convertible camp stool and table : en
  • US1949416A - Magnifying attachment for looping machines : en
  • CA339804A - Explosive composition : en fr
  • CA339848A - Friction clutch : en fr
  • DE593795C - Process for the production of large panel units from molded insulating material with pressed-in metal rails, especially for base plates and housing walls of cable termination devices : de en
  • US1949705A - Collapsible bit : en
  • DE593539C - Cylinder lock : de en
  • US1949432A - Means for adjusting printing rollers : en
  • US1949976A - Cleaning applicator : en
  • US1950241A - Meter for measuring fluids : en
  • CA339918A - Textile material : en fr
  • CA339854A - Railway car coupler : en fr
  • DE594046C - Ironing film for fabric : de en
  • US1949628A - Means for tuning radiosets : en
  • US1949418A - Sear mechanism for guns : en
  • US1949475A - Radiocircuit : en
  • FR761041A - Device for loading and unloading frames, boxes or other heavy objects from a tipping platform vehicle and vehicle fitted with this device : en fr
  • US1949643A - Transmission gearing : en
  • US1950118A - Traveling bag : en
  • US1950253A - Jackhead : en
  • US1949563A - Water gas production : en
  • CA339800A - Tire chain : en fr
  • US1950190A - Flash light : en
  • GB406925A - Improvements in or relating to aircraft engines : en
  • AU1204333A - Improvements in or relating to method of manufacturing basic alum : en
  • US1949998A - Dewatering apparatus : en
  • US1950019A - Detonator : en
  • US1949741A - Calculating machine : en
  • US1949817A - Roller conveyer : en
  • US1949595A - Aviation goggles : en
  • US1949701A - Adjustable garment support : en
  • US1949791A - Salad dressing : en
  • US1949908A - Weight indicating device for well drilling apparatus : en
  • AT136753B - Device for operating metal vapor devices, in particular rectifier tubes with hot cathodes. : de en
  • US1949411A - Infolding machine : en
  • US1950018A - Form tie : en
  • US1950244A - Marker tag : en
  • AT136846B - Management group for telecommunication purposes. : de en
  • US1950084A - Bedclothes clamp : en
  • US1950366A - Process for preparing vat dyestuffs of the dibenzanthrone series : en
  • US1950288A - Scaffold hoist : en
  • AT136850B - Process for the production of a coffee preparation. : de en
  • US1950003A - Electrical amplifier circuits : en
  • US1949423A - Track for tracklaying vehicles : en
  • FR43196E - refrigeration appliance evaporator forming cold and dry air generator : en fr
  • FR760976A - Improvements in the assembly of pulse receiving relays : en fr
  • FR761065A - Gear shifting device for bicycles : en fr
  • US1949469A - Transfer sheet control for manifolding machines : en
  • US1949868A - Machine for removing waterproof coatings : en
  • US1949419A - Apparatus for applying an adhesive surface to a web : en
  • US1949728A - Process for manufacturing carbureted water gas : en
  • US1949895A - Process of producing foodstuffs : en
  • CA339863A - Electrical precipitation apparatus : en fr
  • CA339743A - Beer pipe cleaning method : en fr
  • US1950000A - Process for the treatment of ores containing lead : en
  • AT136811B - Registering device with display unit connected by electrical lines, in particular cash register. : de en
  • CA339810A - Water container for badminton birds : en fr
  • US1950292A - Smokehouse construction : en
  • AU1187433A - Improvements in or relating tothe manufacture of hollow metal columns, beams, poles, masts, jibs orthe like : en
  • DE593890C - Process and device for the production of cellulose : de en
  • AT136790B - Cathode for discharge tubes with indirect heating. : de en
  • AT136723B - Method for increasing the anti-anemic effect of the animal liver or kidney. : de en
  • AU1166933A - Improvements in floors and ceilings : en
  • DE593990C - Process for the production of grained, non-dusting calcium cyanamide : de en
  • FR43167E - Machine for grinding or sharpening the blades of knives, scissors, etc. : en fr
  • FR43189E - Ethyl alcohol denaturation process : en fr
  • FR761083A - Mail boxes : en fr
  • AT136796B - Device for tensioning ski tips. : de en
  • FR760934A - Advanced wooden silo for fodder : en fr
  • AT136729B - Clothing and bandages made from fabrics containing elastic threads. : de en
  • DE593850C - Device for the production of corrugated iron with peaks overhanging the wave troughs on the side : de en
  • DE593967C - Hot water container that can be placed on a laundry boiler : de en
  • AT136727B - Microscope stand. : de en
  • US1950276A - Brake : en
  • US1950324A - Lip stick holder : en
  • US1950309A - Improved method for the production of hydrocarbon oils from solid carbonaceous material : en
  • GB406850A - Devices for dispatching "abstriche" blood samples and the like for bacteriological and diagnostic purposes : en
  • AT136786B - Method and machine for socketing radio tubes and the like like : de en
  • DE552750C - Process for the production of densely fired ceramic masses with the exclusion of quartz and feldspar as raw materials or additives : de en
  • DE593840C - Suspension for vehicles with two rear driving axles : de en
  • DE593873C - Level indicator for elevators : de en
  • DE593862C - Selective protection for electrical line systems : de en
  • US1949667A - Exhaust silencer : en
  • CA339831A - Engine : en fr
  • AT136840B - Process and furnace for incinerating garbage and other domestic and commercial waste. : de en
  • CA339872A - Telephone system : en fr
  • AT136795B - Ignition device for tobacco products. : de en
  • US1949831A - Resinous composition and method of forming the same : en
  • US1950280A - Method of and device for treating stable manure : en
  • US1949645A - Door operating mechanism : en
  • US1950031A - Gauge : en
  • US1949448A - Double ball caster : en
  • CA339761A - Continuous filtration : en fr
  • US1950218A - Window shutter : en
  • US1950357A - Centrifugal separator : en
  • CA339885A - Roller bit : en fr
  • US1949818A - Truss member for aircraft and the like : en
  • US1949856A - Fire alarm : en
  • US1949465A - Method for making rubber bands : en
  • US1949529A - Refining of steel : en
  • GB406911A - Fixing device for pivotable supporting legs of machine-gun carrying-frames : en
  • FR43176E - Machine used for the preparation, for sale, of onions, shallots, garlic and other bulbous plants : en fr
  • AT136769B - Device for mechanically transferring the cigar roll from the winding device into the mold. : de en
  • FR760998A - Glass : en fr
  • GB406760A - Improvements relating to the control of electric motors for lifts or elevators : en
  • GB406864A - Improvements in and relating to pin-tumbler locks : en
  • US1949668A - Coupling : en
  • DE594076C - Device for detecting the frame closure of unearthed electrical machines, transformers and other apparatuses that are earthed via a high resistance : de en
  • FR761132A - : fr
  • AU1158433A - Improvements in or relating to microphone installations : en
  • CA339823A - Form bending machine : en fr
  • DK48458C - Cover for open packaging. : da en
  • FR760907A - Hydraulic circuit motor : en fr
  • GB406750A - Improvements in or relating to processes of hardening gelatine photographic layers : en
  • GB406715A - A method of making extremely thin glass-clear cellulose hydrate films or skins : en
  • FR760853A - Small electrically operated nautical and skill game : en fr
  • FR760974A - Improvements to row seeders : en fr
  • US1949982A - Shoulder strap holder : en
  • US1950051A - Match book : en
  • US1950096A - Method and apparatus for coating articles : en
  • FR760983A - Method and apparatus for cleaning the surfaces of molds used for the production of phonograph records : en fr
  • FR760860A - Balanced shutter for air vents and similar applications : en fr
  • AU1203133A - Improvements mi internal combustion engines : en
  • CA339856A - Re-threading die : en fr
  • US1949968A - Induction motor : en
  • FR43180E - Mechanical pencil equipped with a system for cutting leads in the form of a point : en fr
  • GB406807A - Improvements relating to electric circuit breakers : en
  • US1949490A - Fabric cutting device : en
  • GB406983A - Pressure-relieving devices for milk or other liquid coolers or closed cisterns : en
  • GB406995A - Improvements relating to the remote control of railway points and signals or the like : en
  • GB406879A - Improvements in and relating to wheels with detachable rims for power-driven vehicles and the like : en
  • DE593887C - Installation on spray gasifiers : de en
  • US1949537A - Cement sole-attaching machine : en
  • US1950339A - Mold charge guiding means for glass feeding apparatus : en
  • FR761090A - Feeding device for materials in finely divided state : en fr
  • US1949497A - Grease gun : en
  • US1949936A - Detachable color combination for hand bags : en
  • US1949679A - Reversing turbine : en
  • DE593780C - Automatic machine for milling, drilling and hemming of knife shells made of wood or the like. : de en
  • DE593962C - Fuse provided with a fusible wire made from chrome nickel : de en
  • DE593902C - Ball game device in which balls are driven upwards in a spiral-shaped winding track : de en
  • FR761008A - Board game : en fr
  • FR761051A - Improvements to automatic valves : en fr
  • GB406814A - Improvements in laundry washing machines : en
  • US1949782A - Turned shoe : en
  • DE593943C - Process for electrothermal melting of substances containing sulfur : de en
  • GB406830A - Improvements in and relating to the regulation of the voltage of a power supply system or other a.c. circuit : en
  • AT136708B - Film drum drive for cinematographic apparatus or for film winding devices. : de en
  • AU1157833A - Improvements in or relating to thermionic oscillation generators : en
  • DE591293C - Method and device for adjusting the light spot of Braun tubes in sound recording devices : de en
  • FR760878A - Device for determining the distance : en fr
  • DE593896C - Device for winding roll films : de en
  • CA339813A - Bearing : en fr
  • FR760852A - Safety valve : en fr
  • US1949947A - Packing device for universal joints : en
  • US1949441A - Method and means of lubrication : en
  • USD91648S - Design for a bed lamp : en
  • US1949794A - Packing case : en
  • GB406754A - Improvements in or relating to flame-proof electric switches and switchgear : en
  • DE593909C - Vacuum-tight fastening of a thin radiation passage window in a metal wall : de en
  • AT136791B - Auxiliary control for pressure regulator. : de en
  • FR761078A - Equipment for continuously heating and releasing service water : en fr
  • DE593993C - Process for the production of iron oxide paints : de en
  • US1949613A - Valve seat retainer : en
  • GB407057A - Improvements in or relating to selective receivers for wave signals : en
  • GB406959A - Improvements in electrolytic condensers : en
  • GR4591B - METHOD OF DRYING RAISINS (BY GLASS CHAMBER, THERMAL AIR PROJECTION, AND ATTRACTION MECHANISM). : el en
  • FR760917A - Method for synchronously taking sound films and cinematographic films : en fr
  • CA339900A - Metal sheet making apparatus : en fr
  • DE593881C - Procedure for checking hard cash : de en
  • FR43194E - Improvements in anti-skid devices with articulated studs for driving wheels of motor vehicles : en fr
  • CA339790A - Waste pipe cleaner : en fr
  • US1950060A - Coating oh plastic : en
  • US1949988A - Nut locking device : en
  • DE594062C - Process for the production of protective coatings on magnesium and mainly magnesium-containing alloys : de en
  • DE594057C - Identification strips for young fruit trees : de en
  • GB406934A - Improvements in actuating or controlling devices for electric apparatus : en
  • US1949581A - Mounting for vehicle doors and the like : en
  • US1949674A - Crate : en
  • FR760891A - Process for improving iron and iron alloys : en fr
  • GB406824A - Automatic circular saw machine : en
  • US1950152A - Refrigeration : en
  • US1950315A - Disinfectant composition : en
  • US1949524A - Gray burned brick and method of making : en
  • US1949929A - Dissolving cadmium metal in sulphuric acid in the presence of metallic iron : en
  • US1950017A - Method of carbonizing coal briquettes : en
  • US1950063A - Air compressor : en
  • GB406736A - Improvements in or relating to marine engine power transmissions : en
  • GB406843A - Improvements in or relating to guillotine machines : en
  • IE12633L - Packing eggs. : en
  • FR761048A - Exhaust system for internal combustion or combustion engine : en fr
  • GB407052A - Improvements in or relating to the welding of alloys particularly alloy steels : en
  • USRE19104E - Method for distilling oils : en
  • AT136792B - Dry rectifier. : de en
  • CA339891A - Wool dyeing process : en fr
  • GB406800A - Improvements in devices for cleaning windows, fanlights and the like : en
  • CA339837A - Protective overcoating : en fr
  • AT136781B - Discharge tube with a spring-loaded holder for electrodes. : de en
  • US1949671A - Case brush : en
  • IE13342L - Liquifaction and separation of gaseous mixtures : en
  • FR43177E - Improvements to the systems for attaching handles to wooden tedding rakes : en fr
  • GB406742A - Feeding mechanisms for sound recording purposes : en
  • GB406902A - Collapsible tray for attachment to chairs, couches, settees and other articles of furniture : en
  • IE13619L - Pistons. : en
  • DE593939C - Atomizer burners for liquid fuels : de en
  • FR760906A - Improvements in apparatus for transmitting and receiving wireless telegraphic communications and the like : en fr
  • FR760918A - Device for the automatic dispensing of specific quantities of liquids : en fr
  • FR760994A - New ozonator for all applications : en fr
  • FR761080A - Measuring pump : en fr
  • GB406992A - Improvements in and connected with ships' side lights and deck lights, and particularly port hole lights known as scuttles : en
  • GB406745A - A polishing composition for furniture, leather and other surfaces : en
  • GB406943A - A new or improved combined tobacco pipe cleaner and rammer : en
  • DE593983C - Process for preserving animal and vegetable substances : de en
  • US1949463A - X-ray tube : en
  • US1950056A - Variable speed transmission : en
  • US1950116A - Method of carbonizing ferrous metal : en
  • FR43171E - New light modulation system for photoelectric sound printing on motion picture film : en fr
  • GB406890A - Improvements in or relating to apparatus for measuring colours : en
  • FR43172E - Improvements to convertible tops for cars and other vehicles : en fr
  • FR761074A - Process for manufacturing spiral shaped tubes or conduits from flat sheet metal : en fr
  • FR43183E - Ball joint development : en fr
  • GB406759A - Improvements relating to dynamo electric machines for converting alternating electric currents to direct electric currents or vice versa : en
  • US1949745A - Doorframe for cars and the like : en
  • US1950010A - Suds box : en
  • US1950098A - Tape pulling machine : en
  • US1950126A - Cable conductor winding : en
  • US1949550A - Damper control mechanism : en
  • FR761088A - Safety device for hunting weapons : en fr
  • GB406861A - Improvements in or relating to electrically-actuated jacks for motor vehicles : en
  • FR760954A - Mirror reflector device for cameras : en fr
  • FR761039A - Production process for monoazo dyes : en fr
  • US1949664A - Railway hopper car discharge door : en
  • US1949978A - Clothes drier : en
  • GB406770A - Improvements in devices for operating earth borers : en
  • GB406876A - Pen provided with an ink reservoir : en
  • DK48478C - Method for making a patterned coating for floors, walls and the like. : da en
  • US1950216A - Record feeding and attaching device : en
  • DK48455C - Door construction for Vans or similar. : da en
  • DE593744C - Process for the production of measuring membranes : de en
  • FR760884A - Guardrails for floating or fixed scaffolding : en fr
  • AT136764B - Telephone connection lines between remote exchange and subscriber. : de en
  • US1949772A - Method of and device for producing ornamented beverages and frozen confections : en
  • US1949811A - Process of the use of heavy oil in the manufacture of carbureted water gas : en
  • US1949521A - Drawing board structure : en
  • GB406930A - Improvements in base exchange water softening apparatus : en
  • GB406984A - Improvements in and relating to feed rollers for wood-working machines : en
  • US1949730A - Apparatus for the manufacture of a refrigerant : en
  • US1949928A - Process of making copper sulphate from metallic copper and its alloys : en
  • USD91685S - Design for an insignia : en
  • FR761086A - Game of dice : en fr
  • DE593790C - Process for preserving diazo solutions : de en
  • DE593947C - Device for closing preservation or freshness containers : de en
  • GB406764A - Improvements in and relating to pipe couplings : en
  • USD91676S - Design for a pencil sharpener : en
  • US1949693A - Printing form : en
  • US1950027A - Manufacture of acetic acid : en
  • DE1292516U - : de
  • DE593988C - Ski clamps : de en
  • DE594015C - Device for rewriting sound recordings from a film tape to a record and vice versa : de en
  • US1950191A - Float : en
  • USD91662S - Design for a textile fabric or : en
  • FR760879A - Signal to several lanterns : en fr
  • DE594007C - Variable electrical fluid resistance : de en
  • CA339833A - Screw thread cutting device : en fr
  • GB406757A - Improvements in machine-posting ledger stands or tables : en
  • GB406840A - Improvements in electric selector switches : en
  • GB407005A - Improvements relating to the stop motions of winding machines for textile threads : en
  • GB406790A - Improvements in or relating to readily changeable indicator or announcement apparatus : en
  • GB406870A - An improved apparatus for incubating and hatching eggs : en
  • GB407348A - Improvements relating to liquid delivery apparatus : en
  • CA339789A - Alarm for safes : en fr
  • CA339890A - Meat cutting machine : en fr
  • AU1164233A - Improvements in and relating to rotating disc kaleidoscopes : en
  • US1949835A - Method of manufacturing candy : en
  • US1950050A - Sight feed lubricator : en
  • US1950225A - Switch mechanism for electric signaling : en
  • US1950371A - Sliding roof for motor vehicles : en
  • AT136714B - Corrugated sheet made from fibrous materials and hydraulic binders and processes and apparatus for their manufacture. : de en
  • AT136818B - Electrically heated device for carrying out reactions between molten substances and gases. : de en
  • US1950085A - Compositions of matter and method and steps of making and using the same : en
  • US1950212A - Recirculating oven : en
  • US1949580A - Filling and measuring machine : en
  • USD91665S - Design fob a ceiling light fixture : en
  • USRE19103E - Decorative product : en
  • US1949636A - Cosmetic container : en
  • US1949756A - Refining of cracked hydrocarbon oils : en
  • DE593941C - Guide device for motor-driven chainsaws for longitudinal cutting of tree trunks or beams : de en
  • US1949601A - Cable fitting : en
  • AT136767B - Locking device for windows switched on between the right and left sash. : de en
  • US1949769A - Headlight : en
  • US1949977A - Track sander : en
  • USD91644S - Design for a proprietary medicine bar : en
  • CA339779A - Rug making apparatus : en fr
  • US1949648A - Measure-dispensing coffee container : en
  • GB406804A - Improvements in or relating to spools or reels used for holding cable such as electric cable or flex : en
  • AT136842B - Telephone booth. : de en
  • AT136779B - Heel mark. : de en
  • CA339762A - Package : en fr
  • AU1346333A - Improved compositors binder : en
  • US1950208A - Method of cleaning molds : en
  • AU1355233A - Threaded spring shackle : en
  • CA339822A - Brake : en fr
  • US1950325A - Valve closed metal container : en
  • AT136812B - Sock holder. : de en
  • DE593192C - Process for the preparation of N-substituted heterocyclic compounds : de en
  • DE593844C - Device for introducing blown material by means of a rotating conveyor belt into a housing that is under overpressure : de en
  • CA10239S - Receptacle : en
  • CA339850A - Windshield wiper : en fr
  • US1950334A - Gas meter : en
  • US1949433A - Method and apparatus for casting pipes centrifugally : en
  • US1949609A - Necktie : en
  • CA339791A - Cocktail serving device : en fr
  • AT136772B - Card game. : de en
  • US1949642A - Fruit pitting machine : en
  • US1950059A - Device for actuating garage doors from a distant point : en
  • CA339876A - Railway switch stand reflex structure : en fr
  • AU1261833A - Tool for tying fence wires : en
  • AU1307033A - A device for generating power steam bythe use of electricity : en
  • DE593726C - Transmission system : de en
  • DE593755C - Process and device for the production of chicken feed : de en
  • FR761007A - Device for the arrival and departure of high-frequency energy in vacuum vessels and its mode of operation : en fr
  • US1949606A - Necktie : en
  • AU1325433A - Improvements in arrangement for rising flight requiring no gliding : en
  • CA339836A - Thermostatic trap : en fr
  • US1949547A - Automatic phonograph stop mechanism : en
  • US1949447A - Card holder : en
  • US1950256A - Control system : en
  • DE593907C - Process for the production of clichés by embossing easily softenable organic materials while heating : de en
  • GB406884A - Improvements in power transmission systems : en
  • AT136716B - Device for dyeing hats, stockings and similar textiles that are difficult to dye through. : de en
  • CA339916A - Filament, thread, ribbon and film production : en fr
  • DK48475C - Film med Lydskrift efter Amplitudemetoden og Fremgangsmaade til Fremstilling af saadanne Films. : da en
  • FR761054A - Improvements to marble panels and similar materials and to their fixing devices : en fr
  • GB406805A - Improvements relating to steam heating systems for railway carriages and the like : en
  • CA339920A - Wheel lifter and skid control : en fr
  • US1949572A - Seal for silos : en
  • US1949732A - Vacuum insulation : en
  • FR761058A - Spring bandage for inguinal hernia : en fr
  • CA339746A - Shoe last making machine : en fr
  • DE593856C - Continuously acting absorption refrigeration machine : de en
  • DE594088C - Rail wheel with pneumatic tires : de en
  • DE593783C - Compensation for titanium-containing copper or titanium-containing copper alloys : de en
  • CA339892A - Electrolytic device : en fr
  • US1949451A - Pipe coupler : en
  • US1949454A - Driving mechanism for motion picture projectors : en
  • US1950035A - Bucky grid for secondary radiation : en
  • US1949861A - Bedding machine : en
  • US1950246A - Constant temperature control for mechanically vibratile elements : en
  • US1949523A - Automobile gasoline tank lock : en
  • US1949711A - Hydraulic governor : en
  • US1949682A - Nitriding : en
  • US1950200A - Electrical coupler : en
  • US1949446A - Adding and listing machine : en
  • US1949683A - Feed water regulator : en
  • US1950052A - Motor analyzer : en
  • US1950338A - Rocking horse, rocking chair, and the like : en
  • CA339748A - Boat or punt : en fr
  • CA339753A - Ventilator : en fr
  • CA339888A - Finishing plate : en fr
  • US1949672A - Control device for oil or gas wells and pipe lines : en
  • US1950012A - Sliding window : en
  • US1950261A - Stop-skid device and car lock : en
  • US1950342A - Shaft for golf clubs : en
  • AT136742B - Electrically driven liquid atomizer. : de en
  • US1950277A - Base plate for ships and building structures : en
  • US1949872A - Boring tool : en
  • US1950257A - Ornamental leather belt and other leather article : en
  • DK48481C - In particular for the anchoring and field winding of electric machines, determined electrical conductor with an insulation consisting of a winding with wires of solid twisted fiber fabric. : da en
  • US1950091A - Marking device for sound films : en
  • US1949893A - Optical system : en
  • US1949766A - Cotton separator : en
  • US1949863A - Pessary : en
  • US1949899A - Method of and apparatus for making glassware : en
  • US1950083A - Lamp fixture for headlights : en
  • FR760925A - New toy : en fr
  • DE594056C - Friction roller drive for cleaning devices with a washing drum immersed in a wash trough : de en
  • FR760869A - Method for controlling the profile of the teeth of helical gears : en fr
  • GB406766A - A device for filling liquid from a receptacle into bottles to a definite level : en
  • AT136816B - Fixing device for wash basins, preferably made of earthenware or similar material. : de en
  • DE593798C - Multi-motor drive by means of direct current motors, especially for paper machines : de en
  • US1949457A - Film threading device for speaking movie machines : en
  • AU1152033A - Improvements in or relating to shortwave oscillation generators : en
  • US1949931A - Circuit continuing device : en
  • US1950009A - Crank pin assembly : en
  • DE594090C - Attachment device for full AC mains connection operation to receive ultrashort waves and to connect to the low frequency amplifier of conventional radio receivers : de en
  • FR761069A - Binoculars device, cufflinks, etc. : en fr
  • US1950229A - Sleeve twister : en
  • US1950333A - Destructive hydrogenation of carbonaceous materials : en
  • US1949467A - Electro-osmotic purification of liquids : en
  • AU1154033A - Improvements in saltshakers and analogous articles : en
  • FR760892A - Carburetor for internal combustion engines intended to operate also in an inclined position : en fr
  • US1949452A - Pincers : en
  • US1950150A - Elevator door mechanism : en
  • US1949799A - Insecticidal oil spray : en
  • US1950026A - Manufacture of artificial filaments or threads : en
  • DE593847C - Facility for technical training for mechanical looms : de en
  • DE593858C - Arrangement for optionally changing the polarization plane of linearly polarized antennas : de en
  • FR760977A - Improvements to vacuum sound devices : en fr
  • US1950161A - Oil burner : en
  • US1949828A - Adjustable hat block : en
  • US1950154A - Pipe reamer and flaring tool : en
  • FR761059A - Varnish permeable to light rays and absorbing heat rays : en fr
  • US1949412A - Process for the manufacture of aliphatic ketones : en
  • US1949825A - Process for the production of carboxylic acids : en
  • DE593978C - Modification of the arrangement for tariff switching devices, in particular hot water storage systems, in which the electricity consumer and an upstream remuneration counter are in the control circuit of a time switch and the switch of this clock together with the current winding of that counter is bridged by a line with a resistor whose active value is a multiple of the active value that current winding is : de en
  • DE594103C - Metal stuffing box in which the chamber ring receiving the sealing rings is mounted in a second chamber ring : de en
  • AU1338833A - Improvements in luminous electric discharge tubes : en
  • DK48466C - Device at Vaterpas. : da en
  • US1949812A - Cooling system : en
  • US1949815A - Manufacture of 3-hydroxyselenonaphthene : en
  • US1950278A - Automatic vehicle signal : en
  • DE593843C - Cutting device for straight cigarette machines : de en
  • FR760908A - Suspension of baby carriages, toys, and similar items : en fr
  • DE593919C - Illuminated circuit diagram, especially for monitoring electrical systems : de en
  • GB406957A - Fluorescent material : en
  • US1949698A - Lens : en
  • AU1259333A - Beer pipe cleaning apparatus : en
  • DE539264C - Device for determining the shrink-proof, needle-ready condition of tissues : de en
  • DE593614C - Aluminum alloy and process for its manufacture : de en
  • GB406794A - Improvements in or relating to automatic valves : en
  • DE594047C - Steam burner : de en
  • US1949807A - Tractor wheel : en
  • US1949870A - Electrode or terminal for electrolytic apparatus : en
  • DE593870C - vacuum cleaner : de en
  • DE594091C - Device for switching on measuring devices or test lamps in electrical installation lines using the plug heads of fuses : de en
  • GB406874A - Improved means for indicating the position of adjustable parts of radio sets and thelike : en
  • GB406901A - Shoe heel with removable tread : en
  • DE593774C - AC collector machine : de en
  • FR760887A - Improvements to dental burr control devices : en fr
  • US1950130A - Lamp fixture : en
  • USD91664S - Design for a wall light fixture : en
  • DE593916C - Heat, acid and rot resistant papermaking felt : de en
  • FR760936A - Improvements to airtightness devices and dampers for doors, etc. : en fr
  • GB406937A - Improvements in amusement roundabouts : en
  • FR760877A - Device for softening raw water : en fr
  • FR761067A - Rotary distributor for four-stroke internal combustion engine : en fr
  • DE594038C - Method and device for the production of location posts : de en
  • US1949660A - Process and apparatus for separating emulsions by the combined action of magnetic and electric fields : en
  • USD91668S - Design for a hand mirror or the like : en
  • US1949427A - Process for drying grain, seeds, and the like in vacua apparatus therefor : en
  • US1949544A - Bundling and wrapping machine : en
  • US1949904A - Device for cleaning lawns, yards, and the like : en
  • US1949587A - Land roller : en
  • US1950032A - Fabricated roofing element : en
  • DE593833C - Process for the production of artificial structures, in particular artificial threads from viscose solutions : de en
  • GB406776A - Improved means for connecting wires and cables : en
  • GB406842A - Appliances for playing educational games : en
  • USD91677S - Design for a bottle : en
  • GB406817A - Improvements in or relating to cycle hub brake mechanism : en
  • US1949702A - Clutch : en
  • FR760867A - Device for developing crystals in vacuum : en fr
  • US1949632A - Process for the production of low boiling from higher boiling hydrocarbons by the action of hydrogen at elevated temperatures : en
  • US1950070A - Revetment, breakwater, pier, dock, and the like : en
  • GB406951A - Improvements in and relating to cores for dynamo electric machines and methods of making the same : en
  • US1949755A - Glove ornament : en
  • US1949955A - Spark plug : en
  • US1950004A - Lubricating nipple with nonreturn valves for high pressure lubrication : en
  • DE593938C - Process for the production of adhesive films : de en
  • FR760880A - Safety device for railway level crossings : en fr
  • DE593543C - Rubber tread : de en
  • US1949483A - Stroboscope : en
  • US1949594A - Baby exerciser and toy rack : en
  • US1950209A - Combine : en
  • US1949559A - Valve : en
  • US1950214A - Method of soldering metal objects : en
  • DE593861C - Rolling contact for pressure switch : de en
  • AT136756B - Electric motor with external ventilation for driving looms with flywheels arranged on the motor's fan. : de en
  • AT136757B - Process for the production of jaws with grooves and ribs parallel to one another for rolling ordinary right-hand and left-hand threads. : de en
  • US1949813A - Coupler shield : en
  • US1949839A - Method of and mechanism for feeding folded sheets to sheet opening devices in a sheet-handling machine : en
  • US1950137A - Syringe : en
  • CA339865A - Electro-optical apparatus : en fr
  • CA339903A - Organic bismuth compound : en fr
  • US1950016A - Toilet seat : en
  • DE593805C - vacuum cleaner : de en
  • AT136834B - Self-sellers, in particular for beverages. : de en
  • US1949942A - Clock : en
  • US1950304A - Cooking, cooling, and testing process : en
  • US1950313A - Rectification : en
  • US1950337A - Feeding mechanism for sewing machines : en
  • USD91653S - Design fob : en
  • US1949724A - Refrigerator circuit breaker : en
  • US1950183A - A kottmann : en
  • USD91681S - Design fob a shoe : en
  • AT136808B - Wagon wheel running on roads and rails. : de en
  • AU1026532A - Improvements in or connected with golf and like bags : en
  • CA339788A - Shoe heel : en fr
  • GB406860A - Improvements relating to lithographic printing : en
  • GB407323A - Method and means for shaping the internal surfaces of barrels of firearms or other projectile propelling apparatus : en
  • US1949510A - Cutting means : en
  • US1950352A - Condenser : en
  • USD91657S - Design fob an automobile ornament : en
  • FR43184E - Method and apparatus for obtaining, from a pressurized fluid, two streams of fluid of different temperatures : en fr
  • CA339866A - Asbestos-cement pipe manufacture : en fr
  • GB406849A - Improvements in or relating to a process of and apparatus for coating a core member with artificial resin or the like : en
  • GB407357A - Improvements in or relating to the production of yarns comprising artificial filaments : en
  • GB407360A - Improvements in or relating to the extraction of oil from solid fuels, shales, torbanites and the like : en
  • US1949869A - Convertible seat : en
  • DE593888C - Lubricator for sewing machines : de en
  • US1950238A - Scale : en
  • DE594100C - Device for excavating an endless ribbon of glass : de en
  • DE594036C - Conveying device with a resilient overall surface : de en
  • US1950308A - Improved process for producing lubricants : en
  • AU1166633A - Improvements in or relating to apparatus for issuing gummed strip paper, suitable for use for packing and like purposes : en
  • USD91683S - Design for a shoe : en
  • DE576773C - High-speed press with a fixed bed and a pressure cylinder rolling over it : de en
  • GB407071A - Improvements in or relating to the production of combined sound and picture record films : en
  • US1949996A - Means for connecting electrical appliances to power lines : en
  • GB406772A - Improvements in and relating to the balancing of rotary bodies : en
  • DE594095C - Hydrocarbon gas generator : de en
  • US1949814A - Dishwashing machine : en
  • US1949846A - Junction box : en
  • US1950109A - Turntable for phonograph records : en
  • FR43199E - Improvements to pistons and their applications to superchargers : en fr
  • GB406935A - Anti-slipping device for the shoes of animals : en
  • GB406756A - Improvements in and connected with envelopes, boxes, containers and such like : en
  • DE592697C - Arrangement for switching high voltage circuits by means of grid tubes, especially in X-ray systems : de en
  • DE593785C - Screw water conduction device designed as a two-part rudder or as a balancing rudder : de en
  • DE593636C - Procedure for gradual volume regulation for compressors : de en
  • DE594053C - Machine for the production of Spaetzlen : de en
  • DK48476C - Wheel made with Splitsvans and Bærestotte. : da en
  • CA339764A - Coat and trousers hanger : en fr
  • CA339869A - Railway car coupler : en fr
  • GB406893A - Improvements in or relating to artificial flowers for decorating purposes : en
  • GB406900A - Improvements in or relating to wick burners for use in heating absorption refrigerating and other apparatus : en
  • DE1291990U - : de en
  • DE593985C - Motorless airplane with swinging wings : de en
  • DE593859C - Arrangement at the suspension frames for overhead lines : de en
  • DE594066C - Frame for lenses with variable focal length : de en
  • FR761015A - ice balancer, especially for rail vehicles : en fr
  • FR761098A - Device for fitting dental prostheses : en fr
  • FR43153E - Improvements to nominal tracking devices used in t.s.f. : en fr
  • FR43185E - Tunnel kiln alone or coupled : en fr
  • FR760978A - Plane : en fr
  • AU1151533A - Packing crate for batteries andthe like : en
  • USD91650S - Design for a container closure : en
  • US1949461A - Mop : en
  • US1949762A - Sewing machine for making french seams : en
  • CA339758A - Corboxylic acid : en fr
  • CA339855A - Metal cutting tool making apparatus : en fr
  • FR760987A - Electroplating method and apparatus : en fr
  • DE1292012U - : de en
  • DE577006C - Account card with numbers that follow each other line by line, printed and punched in read-only : de en
  • DE593608C - Process for the flotation of ores and minerals : de en
  • FR760943A - Bottom with reinforced foot parts : en fr
  • FR760931A - Roller shutter especially for tables, pedestal tables, display cases, cupboards, etc. : en fr
  • US1950020A - Moisture and dust eliminator for gas washers : en
  • US1950082A - Wheel spoke shroud : en
  • FR761021A - Apparatus for preparing emulsions : en fr
  • GB406835A - Improvements relating to electrical speed and distance indicators for use on mechanically propelled vehicles : en
  • GB407008A - Improvements in or relating to coating compositions : en
  • DE594087C - Stamp device with ribbon : de en
  • US1949582A - Fishing fly and process of making : en
  • US1949757A - Toy speed boat structure : en
  • CA339923A - Collar stay : en fr
  • DE594008C - Electromagnetic or electrodynamic vibrating phase shifter : de en
  • GB406975A - Improvements in or relating to wireless transmitting apparatus : en
  • FR760938A - Cylindrical portable lamp : en fr
  • DE593903C - Cutting disc for cigarette ripping machines : de en
  • DE593932C - Mains protection relay : de en
  • GB406878A - Improvements in pipe-lines for deep-boring work and like purposes by means of the so-called rotary drilling process : en
  • GB406932A - A device for turning flat cigarettes and similarly shaped articles right side up when packing same : en
  • US1949516A - Hydraulic wheel feeding mechanism : en
  • US1950072A - Educational device : en
  • DE557453C - Duplicator for paper strips divided into forms with feed devices for paper and line pointers : de en
  • DE594067C - Film reel : de en
  • AT136798B - Firing, in particular for ovens. : de en
  • US1949615A - Method of forming irregular sheet metal stampings : en
  • CA339816A - Mooring apparatus : en fr
  • AU1151633A - Improvements in connection with gas meters : en
  • US1950310A - Safety pin : en
  • AU1153233A - An improved cask : en
  • CA339819A - Footwear : en fr
  • CA339846A - Combustion process : en fr
  • US1950347A - Air washer and humidifier : en
  • CA339847A - Fire alarm : en fr
  • DE593908C - Protection device for high-voltage electrical networks : de en
  • DE593965C - Method for producing washout relief images : de en
  • AT136749B - Electric tube. : de en
  • US1950372A - Expanded metal and method and apparatus for manufacturing the same : en
  • DE593976C - Arrangement for generating a controllable DC voltage that works on a consumer circuit with constant resistance (e.g. on the excitation circuit of synchronous machines) : de en
  • CA339829A - Compressor : en fr
  • US1950197A - Cast aluminum rotor winding : en
  • US1950306A - Brake : en
  • DE593917C - Cinema machine : de en
  • US1949403A - Navigation instrument : en
  • US1949738A - Manufacture and separation of thiourea from ammonium thiocyanate : en
  • US1950113A - Electric water heater : en
  • US1950186A - Coil spring inserting machine : en
  • US1950138A - Electron tube : en
  • US1950224A - Protection mechanism for looms : en
  • USD91656S - Vacuum cleaner casing : en
  • US1949608A - Safety hook : en
  • US1950234A - Tank construction : en
  • AU1180133A - Means for preventing scaling and pitting of boilers : en
  • US1950044A - Method of and apparatus for producing stable luminous flame combustion : en
  • US1950266A - Carburetor : en
  • CA339821A - Thrust bearing : en fr
  • US1949653A - Venetian blind : en
  • US1949877A - Ventilator : en
  • US1950189A - Timepiece : en
  • US1949484A - Gimping machine : en
  • US1949962A - Tow bar for cycles : en
  • USD91645S - Design fob a fife : en
  • AT136715B - Headgear for women. : de en
  • US1949774A - Grain thresher : en
  • US1950300A - Toothbrush : en
  • US1949616A - Freezing out of water vapors contained in compressed gases or gas mixtures to be liquefied : en
  • US1950195A - Box : en
  • USD91667S - Design for a chair : en
  • GR4595B - POWER CONTROLLER. : el en
  • CA339765A - Thread and ribbon manufacture : en fr
  • DE581639C - Control device on cash registers for amount introduction, multi-item totaling and total drawing : de en
  • FR760862A - Process for the preparation of an iron having good magnetic stability : en fr
  • US1950192A - Device for the selective removal and assembly of articles : en
  • CA339901A - V-type antenna : en fr
  • GB406780A - Improvements in and relating to the construction of the roofs of buildings and the like : en
  • GB406802A - Improvements in and relating to the construction of floors and the like : en
  • US1950107A - Pressure alleviator : en
  • DE593918C - Machine for knurling and decorating shoe soles : de en
  • AT136748B - Intra-uterine pessary with valve closure. : de en
  • US1950094A - Method of producing bearings : en
  • AT136737B - Device for volume regulation in amplifiers with high frequency penthodes. : de en
  • US1949644A - Filtering method and material : en
  • US1949888A - Means for assisting in the mooring of zeppelins and the like : en
  • US1950230A - Silhouette ornamentation on articles of manufacture : en
  • DE593868C - Belt, truss or the like : de en
  • US1950281A - Tape loom : en
  • US1950011A - Sound reproducing system : en
  • CA339770A - Dentifrice : en fr
  • US1949637A - Absorption refrigeration apparatus : en
  • US1950022A - Alarm control : en
  • US1950196A - Method of manufacturing decorated sheet material : en
  • US1949876A - Preparation of emulsions for treating and preparing road surfaces : en
  • FR43190E - Piston for internal combustion engines or others : en fr
  • FR760857A - Heat utilization device for economical stoves : en fr
  • US1950025A - Manufacture of artificial filaments or threads : en
  • US1950106A - Process for the manufacture of boric acid from sodium tetraborate : en
  • USRE19101E - : en
  • AT136820B - Articulated track vehicle with controlled single-axle bogies. : de en
  • AU1292933A - Refrigerator cabinet : en
  • US1949424A - Double-winding generator with alternate poles : en
  • US1949536A - Packaging device : en
  • AT136733B - Power inlet for gas discharge tubes. : de en
  • US1949430A - Method of forming scroll edge metal blanks : en
  • US1949627A - Vacuum gauge : en
  • AT136794B - Foam separators on razors. : de en
  • AT136776B - Apparatus for measuring body parts or other objects. : de en
  • US1950290A - Scaffold : en
  • US1949913A - Display stand : en
  • US1950123A - Automatic selection of receiving channels : en
  • US1949499A - Washboard : en
  • US1949658A - Air heating gun : en
  • US1949763A - Screw driver : en
  • DE594086C - Drive for a rotary printing press : de en
  • GB406762A - Improvements in means for fastening shirts and collars : en
  • GB407070A - Improvements in door holders and like fastening devices : en
  • DE593651C - Device for enclosing packages with wire : de en
  • CA339834A - Engine ignition apparatus : en fr
  • AT136799B - Sprocket change transmissions for bicycles. : de en
  • US1949557A - Condenser : en
  • US1949425A - Catalytic dehydrogenation process for producing esters : en
  • US1950008A - Evacuating process : en
  • US1949725A - Threshing machine : en
  • US1949743A - Apparatus for testing meters : en
  • CA339795A - Advertising device : en fr
  • DE594055C - Device for cleaning beetroot with a drum fitted with profile iron and arranged in the bottom opening of a trough : de en
  • US1949912A - Paintbrush keeper : en
  • CA339814A - Ore flotation agent : en fr
  • DE594072C - Laces for lace-up shoes, especially for sports shoes, with a seal against water penetration : de en
  • US1949406A - Lock : en
  • US1950356A - Method of making improved cutting and forming tools and wearresisting surfaces : en
  • US1949548A - Bag corner sewing machine : en
  • FR760870A - Container for preparing a solution that can be used as toothpaste or drink water : en fr
  • US1950132A - Therapeutical preparation and the production thereof : en
  • GB406981A - Improvements in or in connexion with gear-changing mechanism : en
  • US1950206A - Attachment for printing presses : en
  • US1950285A - Liquid and gas separator : en
  • FR760871A - Reciprocating device for loading and distributing wires on reels : en fr
  • DE567349C - Process for the production of a rust inhibitor from powdered metals of various positions in the voltage series, among which iron is present, as well as alkaline substances and common binders : de en
  • FR760999A - Improvements to washers for ovens, stoves and others : en fr
  • FR761100A - Improvement in transportable or stationary presses for the compression of packaging of all materials : en fr
  • GB406777A - Improvements in and relating to electric motors : en
  • GB406737A - Solution for preserving cut flowers and the like : en
  • GB406787A - Improvements in and relating to convertible divan beds and the like : en
  • CA339747A - Fourdrinier paper machine : en fr
  • FR760993A - Grill avoids the smoke and smell of grilling and can be used as an oven : en fr
  • FR761084A - Device for lifting and turning vehicles : en fr
  • US1950176A - Window lock : en
  • DE593865C - Procedure for putting long pipelines into service : de en
  • FR761032A - Process for producing emulsions of a silver halide : en fr
  • GB406977A - A local anesthetic and process of making it : en
  • DE593867C - Process for the production of water-soluble dyes of the anthraquinone series : de en
  • US1950125A - Spring structure : en
  • FR761064A - Manufacturing process of marble artificial stones and other cement : en fr
  • US1949798A - Insecticidal compositions and method of producing same : en
  • US1950151A - Circuit maker and breaker : en
  • DE593588C - Rotating scissors for 1 to 4 or more rolling veins in motion : de en
  • FR43191E - Improvement in electrodes for electric arcs intended for lighting : en fr
  • US1950002A - Safety device : en
  • US1949514A - Machine for and method of lapping the ends of round work pieces : en
  • US1950080A - Aircraft of the rotative wing type : en
  • US1950066A - Retort : en
  • GB407359A - Improvements in the manufacture of artificial filaments and the like : en
  • US1949926A - Two-way locking faucet : en
  • US1950103A - Portable electric lantern : en
  • DE593854C - Process for the production of metal bromides : de en
  • US1949401A - Metal bending machine : en
  • US1950362A - Tool : en
  • FR760855A - Quick release lever with elastic coupling for remote control of bicycle chain tensioner : en fr
  • GB406906A - Improvements in and relating to rotary pumps, compressors and the like : en
  • DE593650C - Method for packing fruit fruit towels in collapsible bags : de en
  • DE593817C - Smoking device : de en
  • US1950336A - Sewing machine : en
  • USRE19105E - Boiler cleaner : en
  • GB406761A - Improvements in and relating to tool holders : en
  • DE593815C - Deep cultivation plow : de en
  • US1949561A - Antiscorch appliance for cooking utensils : en
  • US1950158A - Lubricating apparatus : en
  • USD91663S - Design for a lace scarf or similar : en
  • AT136736B - Power line for transmitting antennas u. like : de en
  • US1949540A - Air filter : en
  • US1949987A - Carton : en
  • US1950067A - Salts of diphenylguanidine and process of making same : en
  • CA339807A - Combination jack and shock absorber : en fr
  • DE593972C - Coin machine for automatic switching on and off of a radio receiver : de en
  • DE594079C - Hydraulic feed system, especially for machine tools for metalworking : de en
  • DE593761C - Drawbar guide : de en
  • DE593839C - Process for the treatment of silver images, in particular reversal images : de en
  • US1949481A - Method of and means for handling material : en
  • US1950069A - Apparatus for the removal of solid substances in suspension in a current of gas : en
  • GB406783A - A machine for grinding safety razor blades : en
  • DE593997C - Film reel : de en
  • US1949634A - Radio testing apparatus : en
  • AT136740B - Accumulator with solution cathode. : de en
  • AT136826B - Self-collecting table machine, in particular for smoking and ignition goods. : de en
  • FR761095A - Distribution of elasticity in the manufacture of bandages and belts, corsets, etc., by the application of a new elastic fabric : en fr
  • AT136766B - Telescope for optical distance measurement. : de en
  • US1949800A - Extension leaf table : en
  • US1949948A - Hydrocarbon derivatives of lead and their preparation : en
  • US1949508A - Display cabinet : en
  • US1949538A - Electric light : en
  • US1949729A - Process and apparatus for separating intermixed divided materials : en
  • DE593863C - Thermal-electromagnetic controlled installation switch with a rotatable switching element above the switching coil : de en
  • DE594077C - Electromagnetic unbalance and differential protection relay : de en
  • US1949479A - Vitreous enamels and process of making same : en
  • USD91649S - Design fob a box : en
  • US1949436A - Margin stop : en
  • AT136839B - Sintered hard alloy for tools and implements. : de en
  • US1950203A - Package : en
  • DK48469C - Side car body. : da en
  • GB406881A - Method of, and machine for, the manufacture of bon-bons : en
  • DE593852C - Swiveling clamping device for flooring machines : de en
  • DK48467C - Device for regulating the heat output in a heating circuit. : da en
  • FR761031A - Method and apparatus for the continuous distillation of crude oil, heating oil, naphtha oil residue, petroleum earth, etc., for the production of coke : en fr
  • FR761062A - Conveyor improvements : en fr
  • US1949784A - Valve : en
  • FR760859A - Die cage : en fr
  • DE593842C - Sound generating device with an electrically operated membrane : de en
  • DE593860C - U-shaped, band-shaped clamp for attaching cables to walls : de en
  • GB406823A - Clasps or fastenings for jewel and other cases, boxes and the like : en
  • US1949493A - Inkwell : en
  • US1949496A - Portfolio : en
  • US1949796A - Pump or impeller : en
  • DE593808C - Piston ring precision measuring device : de en
  • CA339832A - Strip material coating apparatus : en fr
  • GB406953A - Hand operated bell for use on bicycles and the like : en
  • CA339839A - Finder for cameras : en fr
  • CA339904A - Loudspeaker resonator : en fr
  • FR760948A - Genoa velvet : en fr
  • US1950363A - Plaster base : en
  • AU1295433A - Improved method of, and apparatus for aerating liquids : en
  • CA339787A - Material moving apparatus : en fr
  • US1950223A - Method of making brake shoes : en
  • DE593685C - Control device for electric heaters, especially incubators : de en
  • US1949592A - Valve-production method : en
  • US1950215A - Connecter for electrical appliances : en
  • DE593871C - Suction head for a vacuum cleaner with a suction nozzle arranged in it and provided with stroking lips : de en
  • GB406875A - Improvements in & relating to chimney pots & chimneys : en
  • GB407031A - Improvements in automatic control for motor vehicles : en
  • US1949407A - Drawing press mechanism : en
  • USD91643S - Design for a plate : en
  • CA339760A - Boiler tube cleaner : en fr
  • DE593880C - Control device with oscillating body for vehicles : de en
  • GB406815A - Improvements in connection with valves and valve guides for internal combustion engines : en
  • DK48456C - Control device for sliding doors and the like. : da en
  • AT136785B - Protective cover for radio tubes etc. like : de en
  • US1949541A - Stamp-vending machine : en
  • AT136813B - Electric glow lamp, in particular for advertising and signaling purposes. : de en
  • US1949434A - Derivative of cellulose composition and method of preparing the same : en
  • US1949834A - Valve : en
  • AT136768B - Process for electroosmotic cleaning of chemically pre-cleaned glycerine. : de en
  • USD91682S - Design for a shoe : en
  • AT136807B - Automatic shut-off device for control valves with control chambers when air brakes pass through. : de en
  • US1949886A - Glassware forming machine : en
  • DE594021C - Photo carrier attachment : de en
  • US1950007A - Gas burner for open hearth furnaces : en
  • AU1106833A - An improved method of and apparatus forthe treatment of mammitis in cows : en
  • CA339861A - Water supplying system : en fr
  • CA339893A - Liquid yeast processing : en fr
  • DE594089C - Tensioning device for overhead lines of electric railways : de en
  • AT136793B - Electric motor. : de en
  • CA339772A - Suppository : en fr
  • AT136815B - Photosensitive cell. : de en
  • CA339806A - Ladies' underwear : en fr
  • US1950043A - Boiler : en
  • US1950251A - Window-sash stop : en
  • US1950305A - Distributor control for hydraulic reversing turbines : en
  • CA339862A - Alternating current motor : en fr
  • AU1289533A - A method of and apparatus for treating timber for making butter boxes orthe like : en
  • CA339783A - Fabric treating apparatus : en fr
  • US1949458A - Framing mechanism for motion picture projectors : en
  • US1949431A - Protector : en
  • DE594022C - Plastic figures for cinematographic recording purposes : de en
  • FR760940A - Further training in shopping bags and other handbags : en fr
  • GB406820A - Improvements in liquid dispensing apparatus : en
  • GB406931A - Improvements in and relating to means for regulating delivery of thread from supply bobbins : en
  • AU1275433A - Address plate : en
  • AT136784B - Process for manufacturing electrolytic capacitors. : de en
  • DE593886C - Tool for finishing : de en
  • CA339914A - Gas recovering apparatus : en fr
  • FR760881A - Electric Autodrome : en fr
  • AT136701B - Actuating device for weir flaps. : de en
  • FR761036A - Mechanical stamping device : en fr
  • AU1166733A - Improvements relating to systems for controlling electric motors : en
  • DE593949C - Trailer wagon with tiltable loading bridge : de en
  • DE593966C - Manufacturing process for several differently shaped individual moldings, e.g. B. Bridge block for clockworks : de en
  • GB407314A - Process for the production of potassium nitrate and calcium chloride : en
  • AT136747B - Device for projecting images outdoors in daylight. : de en
  • AT136719B - Record player. : de en
  • FR760868A - Window regulators, in particular for automobile doors : en fr
  • US1950042A - Baby bouncer : en
  • AT136821B - Air brake. : de en
  • US1950092A - Optical printing apparatus : en
  • GB406859A - Improvements in or relating to watch cases : en
  • US1949759A - Bread box : en
  • US1950240A - Circuit closer : en
  • DE593948C - Production of acid solutions, especially for green fodder preservation : de en
  • FR760875A - Furniture convertible into a game device, such as a billiard table : en fr
  • DE593912C - Procedure for measuring the indentation depth during hardness testing : de en
  • DE593930C - Method for connecting stranded conductors, in particular electrical cables : de en
  • FR761029A - Tilting or sawtooth mounting : en fr
  • FR43179E - Telephone testing device : en fr
  • USD91658S - Design fob a textile fabric ob : en
  • US1950317A - Bowden wire clamp : en
  • DE593810C - Tungsten arc lamp for optical sound recording : de en
  • DE593958C - Device for wrapping arbitrarily shaped objects in wrapping material coming from the roll : de en
  • AT136817B - Process for the production of tungsten metal. : de en
  • AU1164833A - Control of chemical reactions involving contact masses : en
  • FR761003A - Acoustically insulated container : en fr
  • FR761060A - Process for ridding gases of hydrogen sulfide : en fr
  • FR761004A - Mechanism to prevent repetition of acoustic oscillator shock : en fr
  • DE593933C - Arrangement of installation circuit breakers or current limiters : de en
  • FR43161E - Improvements made to means using a gaseous fluid, in particular to those for the development of photographic papers by ammonia : en fr
  • FR760956A - Process for the manufacture of framed, multi-cell molds used in the chocolate industry : en fr
  • AU1231933A - Improvements in electric lamps : en
  • FR761040A - New industrial product replacing down, kapok, etc., its production process and its applications : en fr
  • DE593775C - Power supply for electric light bulbs, discharge tubes and other glass vessels : de en
  • USD91679S - Design foe an electric lamp : en
  • GB407055A - The manufacture of azodyestuffs : en
  • US1949519A - Flashing sign : en
  • US1949489A - Flasher switch : en
  • GB406833A - Improvements in or relating to friction hoists : en
  • GB406781A - Improvements in and relating to airscrew : en
  • DE593735C - Draft regulator for oven firing : de en
  • AT136763B - Telegraph order. : de en
  • AU1150833A - Improvements in and relating to metal seals for wire andthe like andin tools for securing said seals : en
  • GB407319A - Improvements in or relating to multi circuit lamp sockets or like fittings : en
  • FR43197E - New machine for sanding wet skin and adorning and smoothing dry skin : en fr
  • FR761046A - Variable amplification coefficient amplifier : en fr
  • US1950268A - Formed half coil for the excitation of rotating field magnets : en
  • GB407352A - Fitting for electric immersion heaters : en
  • US1949473A - Method and apparatus for forming rubber articles : en
  • US1949543A - Building construction : en
  • FR760895A - Device for assembling flanges on tubes : en fr
  • US1950360A - Process for rendering fatty materials : en
  • US1949783A - Mental testing apparatus : en
  • US1950294A - Metal closure : en
  • US1949924A - Concrete reenforcement : en
  • US1949927A - Process of making the sulphates of copper and zinc : en
  • US1949716A - Method of and apparatus for heattreating : en
  • FR760863A - Slab or tile for the construction of walls, ceilings, coverings and the like : en fr
  • FR760913A - Improvements in the manufacture of cellulose films, sheets or yarns : en fr
  • DE593936C - Process for the production of coated glow cathodes : de en
  • US1949494A - Brush making machine : en
  • AU1281633A - An improved medicinal lick for hoofed domestic animals : en
  • CA339871A - Railway car coupler : en fr
  • US1950087A - Method of producing a table top for a sewing machine of the disappearing type : en
  • US1950258A - Method of forming cement receptive backing for rubber soles : en
  • DE593739C - Device for cutting onions and other fruits into cube-shaped pieces : de en
  • DE593885C - Drive for the cutting unit of mowing machines : de en
  • DE594102C - Locking device for automatic calculating scales : de en
  • US1950358A - Selective transmission network : en
  • US1949673A - Vapor phase treatment of oils : en
  • US1950023A - Agricultural implement : en
  • US1949584A - Means for controlling telegraph bias : en
  • AT136825B - Piano or pianino a. like : de en
  • US1949752A - Tire building drum : en
  • US1950303A - Milk bottle holder : en
  • US1950148A - Control of fluid circulation : en
  • AU1151933A - Improvements in electrical communication systems : en
  • US1949564A - Electric circuit arrangement for discharge tubes : en
  • US1949726A - Furnace : en
  • US1949881A - Delivery mechanism for bag machines : en
  • AU1243233A - Improvements in or relating to piston rings : en
  • CA339841A - Photographic printing apparatus : en fr
  • CA339913A - Cinder chrome building unit : en fr
  • FR761012A - Steering clamp for bicycle : en fr
  • GB406960A - Improvements relating to electromagnetically-operated warning horns : en
  • GB406993A - Improvements in road traffic control systems : en
  • US1949468A - Cafe table of the traveling conveyer type : en
  • US1950340A - Nondetachable device, especially for assembling license insignia : en
  • US1949920A - Hoist : en
  • FR761071A - Automatic control device actuated by differences in the level of a liquid, applicable to steam generators and other pressure vessels : en fr
  • US1949531A - Partition : en
  • US1950153A - Spring structure : en
  • US1950169A - Apparatus for inserting markers in pavements : en
  • DE593892C - Photographic camera with lens that can be remotely adjusted before being released : de en
  • DE593904C - Spring beat arrangement for looms with shuttle change : de en
  • US1949959A - Pressure regulator for work under compressed air : en
  • AT136804B - Saw cabinet. : de en
  • US1950053A - Safety price tag : en
  • DK48461C - Screw club. : da en
  • AT136788B - Cover plate for headlights of motor vehicles. : de en
  • DE589023C - Process for dyeing roving in the attachment system : de en
  • DE593574C - Hand wash : de en
  • US1949681A - Lock switch : en
  • FR761081A - Spreader with automatic distribution and stacking of filled wafer sheets : en fr
  • US1949764A - Jogging machine for sheet material : en
  • DE590003C - Machine with a rotating piston : de en
  • US1949790A - Attachment for typewriting machines : en
  • USD91669S - Design for a hand mirror or the uke : en
  • US1949505A - Unitary motor-compressor : en
  • US1949691A - Conveyer : en
  • US1949795A - Device for measuring workpieces : en
  • US1949742A - Filing machine : en
  • US1949860A - Power transmitting system : en
  • US1949502A - Method of making hollow rubber articles : en
  • US1950237A - Coupling condenser system : en
  • AU1152433A - Improvements in or relating tothe manufacture of footwear : en
  • US1949826A - Sewing machine motor-controller : en
  • US1949932A - Tobacco pipe : en
  • CA339910A - Vehicle hood fitting : en fr
  • US1949549A - Refined cellulose pulp : en
  • US1949771A - Method of and apparatus for producing synchronized records : en
  • AT136730B - Suction bottle cap. : de en
  • CA339797A - Folding table : en fr
  • FR760979A - Fixation device for steele dental veneers on their supports : en fr
  • AT136774B - Cinema film reel, in particular for cinema projectors. : de en
  • US1950287A - Method of producing water-soluble : en
  • US1949571A - Circular loom : en
  • US1950289A - Scaffold hoist : en
  • US1949491A - Foolproof grease dispenser and recorder : en
  • DE593922C - Process and device for the removal of the impurities in the continuous dewatering of raw alcohol by azeotropic distillation : de en
  • FR760951A - Water level indicator, especially for steam boilers : en fr
  • US1950162A - Electric switch : en
  • AU1157333A - Improvements relating to pressure lubricating devices : en
  • CA339887A - Container closing machine : en fr
  • DE593828C - Deep sea telephone cables : de en
  • GB407399A - Improvements in or relating to arrangements for automatically controlling the playing of gramophone records : en
  • FR760885A - Process for obtaining parts molded under the action of centrifugal force and intended more particularly for dental uses : en fr
  • FR760950A - Switching device for permanent hair waving instruments : en fr
  • GR4593B - NUT MAKING MACHINE. : el en
  • CA339912A - Cinder chrome building unit : en fr
  • CA339809A - Fibre stock refiner : en fr
  • CA339812A - Alkaloidal preparation stabilization : en fr
  • US1950156A - Method of making terminal connections : en
  • US1950311A - Window : en
  • US1950370A - Packaging machine : en
  • AU1158233A - Improvements in or relating to microphone installations : en
  • AT136829B - Process for clarifying molasses for compressed yeast production. : de en
  • US1949907A - Roof covering and method of forming same : en
  • US1949589A - Pump : en
  • US1949961A - Coupling : en
  • US1950105A - Winding machine : en
  • US1949727A - Electric brake for slip-ring motors : en
  • AT136760B - Eyepiece for optical devices with reading threads, in particular for range finders. : de en
  • US1949946A - Navigating instrument : en
  • USD91680S - Design for a finger ring : en
  • AT136707B - Method and apparatus for taking photographs in artificial light. : de en
  • FR43188E - : fr
  • FR43163E - : fr
  • GB406851A - Improved field house for poultry : en
  • DE1292632U - : de en
  • DE594039C - Circuit arrangement for dialers with free choice and without rest position : de en
  • DE594025C - Aircraft with additional wings which can be moved in the vertical direction with respect to the fixed main wings : de en
  • AU1301133A - An improvement in trousers : en
  • AU1324033A - Improvements in neckwear : en
  • AT136806B - Sentence binder. : de en
  • AT136831B - Booking engine. : de en
  • US1949816A - Variable-speed transmission gearing : en
  • US1949967A - Knife edge bearing : en
  • US1949462A - Process for the utilization of nitrogen oxide gases : en
  • US1949778A - Vaporizer : en
  • US1949552A - Grinding machine : en
  • US1950368A - Self-locking device : en
  • AT136782B - Electrolytic capacitor. : de en
  • US1949480A - Process for converting oils : en
  • US1949696A - Apparatus for washing liquids insoluble in each other : en
  • AT136836B - Full wave rectifier tube. : de en
  • GB407350A - Improved means for measuring and dispensing ale and the like liquors : en
  • AT136828B - Method for reducing the noise voltage in telecommunication cables. : de en
  • AU1030432A - Improved refrigerator specially suitable for domestic use : en
  • US1950099A - Dispensing tube : en
  • DE593825C - Sheet piles formed from steel piles with continuously the same wall thickness : de en
  • DE593963C - Overcurrent time release with a device for changing the release characteristics : de en
  • FR43181E - Spring starter for motor-compressor with free pistons moving in reverse : en fr
  • FR761033A - Cooling and heating radiator : en fr
  • US1949654A - Cigarette making machine : en
  • US1949435A - Optic attachment for glass blowing machines : en
  • US1949583A - Tie : en
  • US1950171A - Picture transmission : en
  • US1950295A - Metal closure : en
  • AT136777B - Device for recording, projecting or projection copying of lenticular films. : de en
  • AU1334433A - Therapeutic substance and process of manufacture : en
  • CA339899A - Substituted malonic acid : en fr
  • DE593822C - Machine for roughening footwear parts and for applying glue : de en
  • DE593894C - Automatic lens shutter : de en
  • GB407346A - Improvements in or relating to show cases : en
  • DE593934C - Commutator winding, especially for AC series motors, with resistance connections between the winding and the commutator : de en
  • FR761089A - Loading device for goods traffic in containers : en fr
  • FR760952A - Rolled film photographic device intended for the photography and reproduction of objects : en fr
  • AT136773B - Tensioning mechanism for double wire pull cables. : de en
  • AT136758B - Fastening device for lengths of fabric on frames, pieces of furniture or the like. : de en
  • AT136703B - Oil burner. : de en
  • AU1249733A - Improved process for treating cyanide solutions : en
  • DE593884C - Dengelgeraet with spherical or barrel-like pressure bodies : de en
  • AT136803B - Pressure protection for high voltage cables and process for its manufacture. : de en
  • AT136709B - Ionization chamber for attachment to X-ray tubes. : de en
  • DE594033C - Ring lubrication bearing housings, especially for meat cutting machines : de en
  • US1949723A - Air compressor and supercharger : en
  • US1949934A - Purifier : en
  • AU1303833A - Improvements relating togas regulating devices : en
  • US1950250A - Bracket : en
  • US1949788A - Elevator control : en
  • US1950143A - Remote control device : en
  • US1950235A - Hydraulic shock absorber : en
  • US1949501A - Tire rim : en
  • US1949974A - Lingerie pin : en
  • DE593998C - Process for the production of line color grids on gelatine sheets, films or the like. : de en
  • FR760947A - Injection valve for combustion engines : en fr
  • CA339794A - Connector : en fr
  • CA339881A - Oscillation generation : en fr
  • US1949562A - Conductor releasing clamp : en
  • US1949717A - Method and apparatus for shearing : en
  • US1950267A - Cold shrunk-in valve seat : en
  • AT136823B - Adjustable toe cheeks for skis. : de en
  • FR760957A - Improvement to devices giving expression in automatic musical instruments : en fr
  • CA339915A - Filament, thread, ribbon and film production : en fr
  • FR761035A - Easel for the presentation of products in rolls : en fr
  • FR760990A - Method of increasing the operational reliability of metal steam rectifiers : en fr
  • AT136720B - Electric motor, especially for submersible pumps, drilling rigs, etc. like : de en
  • US1950065A - Closing device for tins : en
  • GB407074A - Improvements in or relating to electric secondary or storage batteries : en
  • FR760965A - Sealing ring for pistons and the like : en fr
  • US1949700A - Belt sander : en
  • US1950365A - Electrical system : en
  • US1949574A - Irrigator : en
  • US1950136A - Garment or ironing press : en
  • CA339768A - Steel ingot manufacture : en fr
  • FR761047A - Explosion or combustion engine : en fr
  • FR761145A - : fr
  • US1949591A - Self-sharpening drill bit : en
  • US1949878A - Platen for tape printing machines : en
  • US1950101A - Drill bit : en
  • DE593796C - Device for connecting oil-filled waveguide cables : de en
  • GB406863A - A new or improved collapsible bracket, for scaffolding, staging and the like : en
  • GB406974A - Improvements in containers for preserving materials by cold : en
  • US1949617A - Constant voltage device : en
  • GB406919A - Improvements in and relating to a process for carrying out highly exothermic oxidation processes : en
  • DE593920C - Electric centrifugal machine with three-point suspension : de en
  • FR760939A - New board game : en fr
  • GB406907A - Improvements in or relating to electric heating devices : en
  • GB406896A - Improved pneumatic tyre for road vehicles with detachable and replaceable tread : en
  • GB406918A - Improvements in and relating to tables for billiards and the like games : en
  • GB406786A - Improvements relating to curtain suspension devices : en
  • GB407072A - Improvements in and relating to driving arrangements for fluidoperated reciprocatory motors : en
  • GB407318A - Improvements in or relating to cathode ray and like electric discharge devices and luminescent screens for use therein : en
  • AT136841B - Process for the production of a hot cathode of high electron emission with an intermediate layer. : de en
  • US1949556A - Diesel engine : en
  • US1949892A - Apparatus for projecting motion pictures : en
  • US1949829A - Gas meter hanger : en
  • US1949623A - Method of uniting metals and compound metal article : en
  • US1949995A - Helicopter or wingless air vehicle : en
  • US1950139A - Means for disinfecting toilet bowls : en
  • CA339775A - Shock absorber : en fr
  • DE593680C - Holding device for adjustment means in induction counters : de en
  • DE593691C - Heating or cooling bodies with tubes, especially those that are covered with ribs. : de en
  • DE593913C - Method for maintaining the properties of freshly harvested young potatoes : de en
  • DE593915C - Procedure to accelerate the Poekel process : de en
  • US1949659A - Rug shampooing machine : en
  • DE594063C - Feed funnel for grinding bar or roller mills : de en
  • GB407363A - Improvements in the manufacture and production of products of the anthrapyrimidine series : en
  • US1949405A - Combined closet and folding table : en
  • US1949950A - Clutch mechanism : en
  • US1949992A - Lubricator pump : en
  • USD91661S - Design fob a glass holder : en
  • US1950040A - Work-handling mechanism for machine tools : en
  • US1950144A - Volume control system : en
  • US1950170A - Commutating arrangement for dynamotors : en
  • DE593954C - Screw propeller : de en
  • GB406910A - Improvements relating to signalling apparatus for motor vehicles : en
  • AU1163533A - A flexible four wheel drive for motor vehicles : en
  • DE589419C - Machine with a rotating piston : de en
  • DE593802C - Firebox wall for liquid heat exchange devices, especially steam boilers : de en
  • US1949449A - Spectacles : en
  • DE593857C - Use for freezers with sloping side walls for making ice cubes : de en
  • US1949486A - Treatment of hydrocarbon oil : en
  • US1949641A - Fruit pitting machine : en
  • DE593848C - Screening system for continuous operation : de en
  • DE593760C - Padlock : de en
  • US1950329A - Automobile ventilator : en
  • FR760914A - Central control for multiple locks or latches : en fr
  • GR4596B - MACHINE METHOD AFTER Cradles COMPOSITING ELASTIC CONNECTION OF FULL FREE SHOT PROVISIONS. : el en
  • US1949890A - Automatic control device for talking machines : en
  • US1949949A - Amyl derivatives of lead and their preparation : en
  • US1949963A - Positive column lamp letter : en
  • FR760961A - Improvements to hearing devices : en fr
  • FR760984A - Can opener : en fr
  • DE593987C - Rail-like hub puller for motor vehicles : de en
  • USD91678S - Design for a combination ink con : en
  • USD91695S - Design for an atomizer : en
  • US1949940A - Shoe heel : en
  • FR761057A - Method and apparatus for retreading pneumatic tires : en fr
  • GB406994A - Improvements in and connected with animal traps : en
  • GB406965A - Improvements in or relating to domestic refrigerators : en
  • AT136824B - Lid closure for cooking vessels consisting of a removable clip. : de en
  • DE594074C - Control station for pneumatic tube systems : de en
  • US1949854A - Driving mechanism for rotary braiders : en
  • US1949565A - Sanding machine : en
  • FR760958A - Process for manufacturing an aqueous emulsion of fatty substance solvents : en fr
  • FR760968A - Bead seal : en fr
  • GB406955A - Improvements in dual-rim metal wheels : en
  • DE593906C - Heater for evaporator : de en
  • FR761066A - Light reflector : en fr
  • GB407312A - Process for the production of sodium nitrate and calcium chloride : en
  • GB406725A - Improved manufacture of mercurated hydrocarbons : en
  • FR43151E - Improvements to electrolytic deposits on aluminum and aluminum alloys : en fr
  • AT136832B - Device and circuit arrangement for the selective calling of several teleprinters connected to one line. : de en
  • US1949421A - Bake pan partition : en
  • US1950114A - Timing control system : en
  • US1950259A - Equalizing mechanism : en
  • US1949915A - Electric switch of the mercury tube type : en
  • US1950245A - Vehicle wheel : en
  • US1949678A - Elastic fluid turbine : en
  • GB407037A - Dyeing of cellulose ester and ether materials : en
  • US1949805A - Sliding door trackway : en
  • DE593940C - Cube cutting machine for bread, rolls etc. like : de en
  • FR761079A - Acoustic arm of talking machines : en fr
  • GB407036A - Improved manufacture of organo lead compounds : en
  • US1949504A - Electric machinery : en
  • US1949688A - Printing device : en
  • GB406799A - Improvements in or relating to lost motion toggle devices for transmitting movement : en
  • US1949453A - Receptacle and combination tray and cover : en
  • US1949855A - Weighing device : en
  • US1950185A - Flat knitting machine : en
  • DE594049C - Device to prevent alternators from falling out : de en
  • DE593952C - Tubeless bicycle air pump : de en
  • GB406924A - Improvements in hair drying appliances : en
  • US1949624A - Switch : en
  • US1949797A - Process of producing compositions of matter containing sulphur in colloidal distribution : en
  • US1949957A - Slide caster : en
  • US1950272A - Method of dispersing asphalt : en
  • GB406763A - Improvements in or relating to hospital and like bedsteads with "on and off" castors : en
  • GB406933A - Improvements in or relating to methods of printing : en
  • US1949622A - Bag : en
  • US1950194A - Safety circuit opening device for automobiles : en
  • US1949914A - Water-resistant alkaline silicate compositions : en
  • DE1292013U - : de en
  • GB406978A - Improvements in or relating to valves : en
  • US1949568A - Pedal supported circuit closer for motor vehicles : en
  • US1950211A - Oil cooling radiator : en
  • US1949981A - Liquid transportation and storage apparatus : en
  • US1950149A - Driving gear : en
  • US1950155A - Shaving brush : en
  • US1950301A - Circuit closing device : en
  • CA339870A - Railway car coupler : en fr
  • US1950073A - Safety razor : en
  • US1950314A - Valve lubricating mechanism : en
  • US1949532A - Coating machine : en
  • USD91684S - Design for a textile fabric or simi : en
  • GB406867A - Improvements in and relating to wheels for power-driven vehicles and the like with detachable rims : en
  • FR760989A - Combination switch, in particular for ignition circuits of motor vehicles : en fr
  • USD91655S - Design for a pocket handkerchief : en
  • USRE19100E - Weft end controller for weft re : en
  • DE593891C - Viewfinder for photographic and cinematographic apparatus : de en
  • US1949450A - Low voltage heating element : en
  • US1949902A - Bottle closure : en
  • FR761011A - Automatic inflation device for vehicles with pneumatic tires : en fr
  • DK48471C - Lighthouse or Lighthouse. : da en
  • DE593984C - Calender for smoothing paper, cloth, etc. like : de en
  • FR760981A - Improvements made to call dialers for telephone devices : en fr
  • GB406942A - Contractible spool : en
  • IE12758L - Discharge lamps : en
  • US1949873A - Automatic valve control : en
  • GB406821A - Improved apparatus for playing table games : en
  • FR760933A - Device for locking window and door leaves in any open position : en fr
  • US1950046A - Gas burner : en
  • US1950299A - Road surfacing binding strip : en
  • USD91646S - Design fob a flexible pocket : en
  • GB406871A - An improved driving system for ferraris meters : en
  • US1949525A - Shoe counter : en
  • US1950221A - Game apparatus : en