• US2323936A - Insulating construction element : en
  • US2323887A - Brake testing machine for motor vehicles : en
  • US2324352A - Antiskid device : en
  • US2324018A - Flotation cell : en
  • CA413766A - Non-metallic sheathed conductor : en fr
  • CH227817A - Automatic firearm. : de en
  • US2324127A - Testing apparatus for friability of friable material : en
  • US2324131A - Securing reinforced coverings to steel ship decks : en
  • AU117205B2 - Improvements in and relating to heat exchangers for water heaters : en
  • CH227854A - Tubular gas heater. : de en
  • US2324005A - Control system for internal combustion engines : en
  • DE737574C - Rigid unloading bar for tiltable car bodies : de en
  • GB554681A - Improved method of regenerating a catalyst : en
  • DE737369C - Solvent mixture : de en
  • US2324230A - Process of preparing wood pulp : en
  • US2324458A - Spark plug tester : en
  • US2324050A - Roll : en
  • US2324136A - Combination switch : en
  • CA413776A - Facsimile recording system : en fr
  • CH227842A - Lubricator on machine parts. : de en
  • US2324073A - Treating hydrocarbons : en
  • AU117233B2 - Improvements in or relating to vacuum or pressure operated servo brake devices : en
  • FR883721A - Process for the preparation of very pure coal by flotation with formation of scum : en fr
  • DE737266C - Device for embossing characters in floor parts : de en
  • US2323901A - Control system for refrigerating apparatus : en
  • US2324121A - Photographic printing apparatus : en
  • CH227808A - Connection between an artificial skin and a carrier of the same and a method for producing the same. : de en
  • DE737379C - Measuring transmitter for testing shortwave DF receivers : de en
  • DE737374C - Centrifugal dust separator flowed through by the dust gas flow in a flat spiral : de en
  • CH227798A - Method of protecting metals against corrosion. : en fr
  • GB554618A - Improvements in dampers or shutters : en
  • US2323947A - Adjustable hydraulic control valve : en
  • US2324041A - Geometrical instrument : en
  • CA413783A - Saw blade tightener : en fr
  • CH227893A - Procedure for operational remote controlled sensitivity switching of amplifiers. : de en
  • CH227922A - Process for the preparation of N-p-acetylaminobenzenesulfonyl-N'-methylurea. : de en
  • US2324038A - Movable shade : en
  • US2324169A - Distributor ignition for internal combustion engines : en
  • US2324269A - Fastening device : en
  • FR883693A - Box for phonographic needles : en fr
  • FR883725A - Method and devices for the automatic elimination and collection of pests or insects harmful to agriculture : en fr
  • FR883663A - Telegraph control : en fr
  • US2324240A - Process for dehydration : en
  • US2323991A - Yarn twisting : en
  • DE736948C - Method and apparatus for grinding or dispersing or both : de en
  • GB554719A - Improvements in or connected with rangefinders and heightfinders for anti-aircraft gunnery : en
  • ES8221U - Electric switch. (Machine-translation by Google Translate, not legally binding) : en es
  • US2324061A - Hinged joint : en
  • DK61129C - Multi-cylinder air-cooled Internal combustion engine. : da en
  • US2324405A - Carton sealing device : en
  • US2324449A - Method and apparatus for ascertaining the focus of reflectors : en
  • US2324350A - Wire winding and unwinding attachment for tractors : en
  • DE737582C - High voltage fuse : de en
  • ES8226U - Hook against gales, no game for windows. (Machine-translation by Google Translate, not legally binding) : en es
  • CH227755A - Reinforced concrete building element. : de en
  • US2324009A - Apparatus for assembling of pile fabric articles : en
  • US2323927A - Emergency device for hydraulic control systems : en
  • US2324042A - Conveyer apparatus : en
  • DE737339C - Process for the heat treatment of thin easily evaporable metal or metal compound layers in a vacuum : de en
  • DE737348C - Process for the preparation of leuco-sulfuric acid esters of Kuepen dyes : de en
  • DE737356C - Device for deleting easily flammable lengths of material : de en
  • CH227765A - Liquid heat storage system, in particular for household purposes, for cooking, roasting, baking and the like. : de en
  • DK61131C - Method and Plant for making Cereals or other Seed Varieties with Similar Structure Suitable for Further Processing. : da en
  • GB554716A - Improvements in locating and fastening means for interchangeable members : en
  • GB554633A - Improvements relating to carriages for typewriting machines : en
  • USD135996S - Design for a cap : en
  • DE719501C - Adjustable lamp or the like with a single counterweight and an articulated parallelogram as an adjustment rod : de en
  • GB554639A - Improvements relating to loom shuttle guards : en
  • FR883712A - Method of drying printed surfaces, especially in multi-color intaglio printing machines, and multi-color intaglio printing machines : en fr
  • US2324057A - Lens attachment : en
  • US2324221A - Counting and control mechanism : en
  • US2324222A - Ammonium sulphate recovery process : en
  • DE737377C - Method and device for avoiding under- or over-loading due to fluctuations in the type of case when loading processing devices : de en
  • GB554677A - Improvements connected with fire bricks for use in domestic firegrates : en
  • DE737401C - Control device for the pressure medium of gear shifting devices, in particular for motor vehicles : de en
  • CH227859A - Electrical device with insulated winding. : de en
  • DK61128C - Stirrer for cream acidification tanks. : da en
  • DE737494C - Protective device on beet pulp machines : de en
  • FR883762A - Method and device for the manufacture of seamless chains of any length by hot stamping of the links : en fr
  • GB554697A - Centering device for the cutting of sheet-metal disks : en
  • DE737578C - Arrangement to accommodate brief voltage changes in power distribution networks : de en
  • DK61114C - Apparatus for Making Printed Cards. : da en
  • GB554609A - Improvements in or relating to the preparation of foods : en
  • US2324225A - Drilling apparatus : en
  • US2324256A - Stocking : en
  • USD135972S - Design for a brooch or similar article : en
  • AU117204B2 - Improvements in upholstery spring supports : en
  • DE737332C - Active coal production : de en
  • DE737527C - Process for the production of fibrous webs from cellulose fibers which have been esterified while maintaining their structure : de en
  • US2324053A - Attachable impedance : en
  • US2324024A - Piezoelectric unit : en
  • US2324203A - Multiple flour bleaching process : en
  • GB554714A - Improvements relating to the supply of charged magazines to machine guns and to the removal of empty magazines : en
  • FR883696A - Skin cleansing product : en fr
  • GB554627A - Improvements in or relating to high-current cathodes for transmitting tubes : en
  • DE737415C - Catalyst with a multiple layer of platinum metal wire mesh for ammonia oxidation : de en
  • GB554721A - Improvements in the delignification of ligno-cellulosic materials : en
  • FI19667A - Förpackningsask : en fi
  • FR883695A - Filter cloth : en fr
  • US2323983A - Doctor blade mechanism : en
  • US2324083A - Method of making bearings : en
  • DE737501C - Method and device for producing continuously patterned pressed bodies from powdery materials : de en
  • US2323894A - Valve : en
  • US2324413A - Book, magazine, pamphlet, or the like : en
  • USD135992S - Design for a spectacle front : en
  • GB554695A - Improvements in joints and bearings comprising resilient elements applicable to wheels suspension and other purposes : en
  • US2324344A - Carrier current apparatus : en
  • ES8207U - Reversible neck for men's shirt. (Machine-translation by Google Translate, not legally binding) : en es
  • US2324318A - Article formed from relatively thin resilient sheets : en
  • DE737472C - Spring insert made of corrugated sheet metal strips lying next to one another for upholstery cushions : de en
  • FR883664A - Process to avoid recrystallization in alloys susceptible to separation : en fr
  • FR883798A - Spring device without contactor, for coupling ignition magnets, in particular multi-pole magnets with combustion engines : en fr
  • GB554650A - Improvements in the control of dynamo-electric machines coupled to coiling reels and the like : en
  • GB554659A - Improvements in skein holders for wool winding : en
  • US2324355A - Dual automatic intermitting unit : en
  • US2324255A - Separation of ketones and monohydric alcohols from mixtures thereof : en
  • DE737376C - Fluid brake for recoil guns : de en
  • GB554738A - Gearing for starting and stopping machinery : en
  • DE737277C - Device for regulating the fuel supply of propellant gas generators with flying pistons : de en
  • DE737567C - Overload clutch for the turas of excavators, skipers or the like. : de en
  • DE737469C - Device for automatic loading of a gas generator depending on the fuel level in the shaft : de en
  • US2324396A - Automotive transmission gear shiftindicator : en
  • US2324435A - Method of making flanged elements : en
  • CH227788A - Two-prong shoe sole nail. : de en
  • US2324411A - Apparatus for decorating pottery ware, glassware, and the like : en
  • DE737430C - Contact device for valve rectifier, inverter or converter : de en
  • ES8236U - Toy with new movement system (Machine-translation by Google Translate, not legally binding) : en es
  • DE737423C - Device on tiltable field railroad cars : de en
  • DE737577C - Electric pressure gas switch : de en
  • US2323890A - Coated wire : en
  • US2324060A - Photographic copying paper : en
  • US2324125A - Firearm : en
  • AU117199B2 - Repeater control : en
  • CA413896A - Felt drying drum : en fr
  • DE737216C - Electromechanically operated remote display device : de en
  • US2324313A - Air conditioning apparatus : en
  • US2324362A - Plate clamp : en
  • US2324391A - Density measuring device : en
  • US2323899A - Catalytic cracking : en
  • DE737329C - Process for making structures from cold-stretched, high-molecular-weight linear polycondensation products : de en
  • US2324056A - Cracking inhibitor : en
  • CH227758A - Use in boilers with top burn. : de en
  • CH227775A - Package winder. : de en
  • CH227784A - End stop for slider closure. : en fr
  • CH227846A - Method for automatic adjustment of the level of a body of water and device for its implementation. : en fr
  • CH227867A - Device for keeping the current supplied by a generator constant, in particular for counting purposes. : de en
  • CH227886A - Process for the preparation of N-phenacyl-tetrahydro-p-oxazine. : de en
  • USD135969S - Design for a brooch or similar article : en
  • GB554642A - Improvements in means for preventing condensation on windows or windscreens : en
  • CH227855A - Facility on large water room steam boilers to achieve respectively. Increase in water circulation. : de en
  • US2324034A - Air-cooled power amplifier : en
  • DE737477C - Explosion turbine with piston compressor, in the cylinder space of which the explosion takes place : de en
  • CA413790A - Heating system : en fr
  • US2324045A - Airplane with self-opening parachute : en
  • US2324207A - Adjustable seat for vehicles : en
  • CH227772A - Process for the recovery of copper from acidic wash water in the copper rayon manufacture. : de en
  • FR883728A - Elastic thread crocodile : en fr
  • GB554594A - Improvements in or relating to the gyroscopes : en
  • US2324247A - Portable table : en
  • DE737476C - Device for starting a motor vehicle engine with the aid of a motorcycle : de en
  • US2324149A - Hydropneumatic press : en
  • US2324198A - Lithographic plate preparation : en
  • GB554635A - A new or improved method of preparing metal sheets for welding and of welding such sheets together : en
  • CA413822A - Vacuum tube socket : en fr
  • US2324029A - Heating means for ironers : en
  • US2324315A - Theme finder : en
  • US2324331A - Remote control apparatus : en
  • DE737490C - Automatic tube closure : de en
  • DE737512C - Arrangement for receiving electromagnetic ultra-short waves : de en
  • FR883708A - Support for ladders : en fr
  • DE737514C - Device for limiting short-circuit currents : de en
  • DK61135C - Device for hydraulic control devices for ships. : da en
  • GB554603A - Improvements in or relating to step-by-step mechanisms : en
  • GB554712A - Improvements in or relating to regulating arrangements for electrical circuits : en
  • DE737347C - Process for the production of Kuepen dyes : de en
  • US2324026A - Tube corrugating apparatus : en
  • US2323995A - Spreader : en
  • US2324239A - Snath : en
  • US2324342A - Anode : en
  • CA413873A - Hydraulic force transmission : en fr
  • US2324243A - Impact detonator : en
  • DE737400C - Driving pumps for conveying control or operating fluid, in particular for switching power transmission devices in vehicles : de en
  • DE737407C - Process for the production of shell slag moldings coated with an indestructible colored layer : de en
  • USD135959S - Design for an orphrey or similar article : en
  • USD135982S - Morris vacuum cleaner rack : en
  • FR883683A - Cutting device for straw balers and the like : en fr
  • US2324456A - Cleaning of sacks, bags, or like containers : en
  • DE737448C - Stiffening insert made of wire for closing bags : de en
  • GB554748A - Improvements relating to the removal of iron from water : en
  • CA413836A - Electric pressure indicator : en fr
  • US2324189A - Electrical tuning device : en
  • US2324245A - Refrigerator spacer construction : en
  • FR883723A - Condensation products and process for preparing these products : en fr
  • GB554606A - Improvements in machine made hair nets and the like : en
  • DK61115C - Procedure for the manufacture of a plant for the promotion of plant growth. : da en
  • ES8240U - A packet door (Machine-translation by Google Translate, not legally binding) : en es
  • FR883729A - Method for limiting resonant oscillations, in particular in a multiple mass system, for example on the crankshaft of internal combustion engines : en fr
  • GR10126B - MOBILE BANK FOR RADIO PURPOSES. : el en
  • US2324265A - D'arsonval relay : en
  • CH227825A - Method of machining metals and light alloys. : en fr
  • US2324072A - Garment bag : en
  • DE737438C - Process for the production of shrunk viscose rayon using the spool spinning process : de en
  • US2323992A - Well shaft : en
  • US2324046A - Popcorn machine : en
  • US2324116A - Rotary oil pump : en
  • US2323932A - Telegraph printer : en
  • US2324374A - Apparatus for drilling diamonds and like purposes : en
  • US2324170A - Sprinkler head : en
  • ES8189U - Brush for liquid liquids. (Machine-translation by Google Translate, not legally binding) : en es
  • FR883773A - Process and installation for the saccharification of wood, straw and other materials containing hexosans or pentosans by hydrolysis using a solution of sulfurous acid : en fr
  • FR883743A - Layering machine with discharge tube drawn in length : en fr
  • US2324117A - Apparatus for buffing tires : en
  • USD136002S - Design fob a fibrous cap for containers : en
  • DE737391C - Pick-up with two styluses for scanning records with a two-ply spiral : de en
  • FR883761A - Frequency modulation arrangement for constant variation of the frequency range : en fr
  • DE737322C - Process for the production of azo dyes : de en
  • DE737554C - Process for the production of uniformly grained mixed fertilizers containing ammonium nitrate : de en
  • DK61139C - Apparatus for loading wooden straps to wooden hangers. : da en
  • DE737409C - Bucket handle and guide for bucket excavators : de en
  • GB554722A - Improvements in or relating to differential pressure gauges : en
  • US2323978A - Black-out shield for head lamps : en
  • CH227923A - Process for the preparation of N-p-nitrobenzenesulfonyl-N'-methylurea. : de en
  • US2324156A - Brush lifting relay mechanism : en
  • FR883796A - Device for removing cubes from the mold in domestic ice production : en fr
  • DE698651C - Device for electrical resistance welding of hollow bodies : de en
  • DE737309C - laundry detergent : de en
  • AU117211B2 - Improvements relating to centrifugal governors : en
  • CH227869A - Drop handle regulator with safety contacts. : de en
  • US2323911A - Process for the manufacture of delta-androstenol-17-ones-3 containing an unsaturatedside-chain in 17-position and derivatives thereof : en
  • US2323961A - Relay armature : en
  • FR883690A - Device for evacuating air from fuel injection pumps : en fr
  • DE737362C - Stranding machine : de en
  • GR10124B - METHOD OF PREPARATION OF CYANIC ACID. : el en
  • AU979143A - Variable inductance tuning : en
  • GB554631A - Improvements in or relating to pressing irons : en
  • FR883706A - Coupling device for shafts, wheels and the like, comprising cylindrical teeth : en fr
  • GB554666A - Improvements in or relating to apparatus for dispensing boiling water : en
  • FR52004E - : fr
  • DE737412C - Process for the production of solderable metal layers on ceramic bodies : de en
  • DE737611C - Invoice receipt : de en
  • US2323903A - Welding method and apparatus : en
  • US2324418A - Loop-taker mechanism for sewing machines : en
  • US2324296A - Fish screen : en
  • DK61124C - Procedure for the manufacture of resinous condensation products. : da en
  • US2323971A - Valve forging machine : en
  • CA413818A - Bakery product cooling apparatus : en fr
  • NL55129C - : en
  • DK61136C - Pressure-filled pencil. : da en
  • AU117198B2 - Slow combustion stove for burning sawdust or the like material : en
  • US2324343A - Advertising or display device : en
  • CA413806A - Weighing and indicating apparatus : en fr
  • CA413850A - Dust collector : en fr
  • GB554621A - Improvements in laminated materials : en
  • CH227770A - Ladder. : en fr
  • CH227932A - Device for controlling the brakes of a cycle. : en fr
  • CH227815A - Ski equipment. : en fr
  • CA413889A - Hydraulic sealing machine : en fr
  • CA413865A - Fabric and polymer structure : en fr
  • DE737480C - Attachment of a bolt, tenon or the like in a base body : de en
  • GB554667A - Improvements in and relating to electric protective systems employing distance relays : en
  • GB554654A - Improvements in or relating to the production of phosphate coatings upon ferrous metal surfaces : en
  • GB554673A - Improvements relating to safety devices for lifts or elevators : en
  • GB554743A - Improvements relating to coke ovens and retorts : en
  • US2324367A - Electron discharge device : en
  • USPP595P - Rose plant : en
  • GB554734A - Improvements relating to the coating of ferrous surfaces : en
  • US2323988A - Knitted fabric and method : en
  • US2324145A - Regulator mechanism for vehicle windows or the like : en
  • USD135968S - Embroidered trimming or similar article : en
  • GR10121B - METHOD FOR PREPARATION OF BENEFICIARIES OF BENEFICIAL INTERNATIONAL ASSOCIATIONS. : el en
  • DE737462C - Electric free jet gas switch : de en
  • DE737530C - The suspension of the rigid front axle is an all-terrain express truck : de en
  • CH227752A - Building block, especially for cooled rooms. : de en
  • US2324450A - Melamine purification : en
  • CA413767A - Rotary motor : en fr
  • CH227926A - Watch. : en fr
  • US2324141A - Jack : en
  • US2324316A - Cutting-off tool : en
  • NL54836C - : en
  • USD135977S - Design for a skillet : en
  • US2323966A - Amplifier : en
  • US2324067A - Purification of hydrocarbon oils : en
  • FR883716A - Improvements to methods for producing lenses comprising at least one aspherical delimiting surface : en fr
  • FR883653A - Compliant objects based on linear formula polycondensation products containing nitrogen : en fr
  • US2323898A - Urea-aldehyde-halogenated acetone condensation product : en
  • US2323909A - Machine for flattening sheet metal articles : en
  • CH227876A - Arrangement with electron multiplier. : de en
  • GB554655A - Improvements relating to dephlegmators of the bubble-tray type : en
  • DE737495C - Process for the production of alkaline earth lactates from monosaccharides : de en
  • AU117197B2 - Television scanning systems : en
  • DK61132C - Machine for the manufacture of glued paper webs with inlaid network of textile thread. : da en
  • CH227806A - Product for waterproofing paper, cardboard and all other materials and process for manufacturing it. : en fr
  • US2324311A - Oarlock for sculling : en
  • USRE22347E - Secondary ethers of polyhydric : en
  • US2324421A - Supporting stand for infants : en
  • DE737588C - Heated anemometer : de en
  • AU445442A - Method of marking ona body of glass : en
  • US2324242A - Machine for cutting gear teeth : en
  • CA413891A - Fluid distributing apparatus : en fr
  • CH227879A - Contact converter with means to relieve the contacts. : de en
  • CH227914A - Device for removing fine glass threads from a molten glass bath. : de en
  • CA413879A - Cementing machine for thin materials : en fr
  • AU588142A - Improvements in or relating to building slabs orthe like units : en
  • US2323935A - Snowshoe sandal : en
  • US2324157A - Air jet gyro drift control : en
  • AU603542A - Slow combustion stove for burning sawdust or the like material : en
  • FR883786A - Removable sole for instant assembly and disassembly for various uses : en fr
  • US2324215A - Measuring apparatus : en
  • US2324146A - Container having retarding means : en
  • US2324226A - Hand grip for electric irons : en
  • CA413778A - Power transmission mechanism : en fr
  • CA413821A - Vacuum tube socket : en fr
  • CA413786A - Foundation garment : en fr
  • CH227757A - Electric fence for paddocks. : de en
  • CA413877A - Circuit controller : en fr
  • CH227841A - Fixed stroke fluid pump for a fluid transmission. : de en
  • US2324403A - Extension stem for vehicle handle bars : en
  • USD135997S - Design fob a fibrous cap for containers : en
  • US2324023A - Pump : en
  • US2324036A - Knitted fabric and method : en
  • US2324040A - Vending machine : en
  • US2324443A - Filling and closing machine : en
  • DE733469C - Device for measuring pressurized liquid fuel quantities and periodic delivery of the measured partial quantities to the point of consumption : de en
  • FR883667A - Process for bleaching cellulosic substances : en fr
  • GB554744A - Improvements in or relating to methods of and means for constructing roofs, floors and the like : en
  • CH227906A - Spring fork for motorcycles or other similar vehicles. : en fr
  • FR883753A - Process for preparing organic oxo-derivatives : en fr
  • CH227803A - Device for filtering a solid-liquid mixture, in particular liquids containing fibers. : de en
  • CH227769A - Reinforced pan base and process for its manufacture. : de en fr
  • CH227873A - High performance fuse. : de en
  • US2324010A - Heater : en
  • GB554684A - Improvements in and relating to storage tanks : en
  • CA413870A - Nut fastened installation : en fr
  • GB554664A - Improvements in or relating to glazing putty : en
  • US2324258A - Spring mattress structure : en
  • GB554665A - Improvements in or relating to co-axial oppositely rotating airscrews : en
  • CA413851A - Electric discharge device : en fr
  • DE737493C - Street drainage shaft : de en
  • CA413857A - Dehydration process : en fr
  • CA413782A - Dust proof switch : en fr
  • DE737548C - Pressure medium braking device, in particular for motor vehicles : de en
  • DE737552C - Process for the bleaching of fibers by means of per compounds : de en
  • GB554693A - Improvements in reinforced concrete structures and in the manufacture thereof : en
  • GB554622A - Improvements in the automatic regulation of the current in an electric circuit : en
  • AU121655B2 - Frequency standard vernier : en
  • NL54973C - : en
  • US2324346A - Projectile for firearms : en
  • AU663842A - Improvements in and relating tothe manufacture of heat exchangers : en
  • US2324335A - Pipe joint : en
  • GB554679A - Improvements in or relating to screening apparatus : en
  • CA413791A - Tire chain : en fr
  • CA413798A - Railway car truck : en fr
  • CH227839A - Tap, especially for oil drums. : de en
  • DE737408C - Suspended container and process for its manufacture : de en
  • GB554658A - Improvements in and apparatus for testing gases : en
  • US2324236A - Blower automatic throttle : en
  • DE737645C - Security device against theft of vehicles, in particular motor vehicles : de en
  • FR883655A - Process for manufacturing wetting, washing, cleaning and emulsifying agents : en fr
  • CA413894A - Piezo-electric quartz element : en fr
  • GB554740A - Panelling : en
  • DE737510C - Run-time tube arrangement : de en
  • US2323956A - Oscillation generator : en
  • US2324273A - Ophthalmic mounting : en
  • US2324020A - Poultry fountain : en
  • US2324357A - Method of improving lubricating oil : en
  • US2323886A - Manhole cover : en
  • GB554736A - An improved seed sower : en
  • US2323930A - Vacuum closing machine : en
  • US2324134A - Rail clamp : en
  • US2324004A - Paper fastener : en
  • US2324062A - Flexible joint : en
  • US2324340A - Detector for pressure wave translation systems : en
  • DE737426C - Device for remote control, in particular a high frequency device, by a motor : de en
  • US2324001A - Bed motion for printing presses : en
  • US2324386A - Air cleaner and humidifier : en
  • FR883651A - Quick-closing valve, especially for gas and water pipes : en fr
  • FR883776A - Method for preventing the simultaneous transport of more than one sheet in an automatic web feeder, and device for carrying out this method : en fr
  • US2324158A - Armature construction : en
  • GB554628A - Improvements relating to the moulding of rubber and other articles : en
  • DE737535C - Process for removing traces of sulfur dioxide from smoldering tar or smoldering oil extracts : de en
  • DE737590C - Sealing body for valve spindles : de en
  • DE737463C - Winding arrangement, in particular for high-performance and high-voltage single-phase transformers of a three-phase generator : de en
  • US2324304A - Turbidity meter : en
  • US2324389A - Portable oxygen aviation unit : en
  • FR883790A - Lady's handbag with wooden frame, clasp and sides : en fr
  • CH227872A - Thermal relay for the monitoring and protection of electrical machines and apparatus. : de en
  • US2324066A - Purification of hydrocarbon oils : en
  • US2324448A - Method and product for producing a cleansing and preserving coating on fruits and vegetables : en
  • USRE22345E - Process for : en
  • US2324218A - Building construction : en
  • USD135975S - Design for a barbecue table : en
  • GB554742A - Improvements in apparatus for distillation of spirituous liquor : en
  • US2324021A - Snubber for engine mountings : en
  • DE737479C - Gas turbine blade : de en
  • US2324101A - Stabilization of unsaturated ketones : en
  • FR883652A - Roof for industrial furnaces, in particular for rotary tube furnaces or drum furnaces : en fr
  • US2324279A - Amplifier : en
  • FR883700A - Electric generator device comprising permanent inductor magnets : en fr
  • US2323902A - Absorption or adsorption refrigerating apparatus : en
  • US2323967A - Thimble-equipped insulator : en
  • US2324285A - Triazine derivatives : en
  • US2324114A - Fuse : en
  • US2324401A - Case sealing machine : en
  • DE737595C - Axle bracket made of light metal for light metal cars : de en
  • US2324175A - Nonlosable nut : en
  • DE737443C - Longitudinally divided, collapsible boot jack : de en
  • DE737613C - Process for metallization by cathode atomization by means of elongated cathodes heated by the passage of current : de en
  • FR883757A - Packaging material for edible fats : en fr
  • DE737500C - Device for automatic shutdown of the X-ray tube depending on the milliampere second product : de en
  • US2324103A - Well survey apparatus : en
  • FR883765A - Contact electric converter with switching reactors : en fr
  • CA413777A - Fishing reel : en fr
  • US2324000A - Hoist structure : en
  • US2324341A - Telephone system : en
  • CA413890A - Textile fabric manufacture : en fr
  • CH227774A - Spin regulator. : de en
  • DK61111C - Process for the preparation of dihydro-lysergic acid hydrazide and dihydro-isolysergic acid hydrazide. : da en
  • US2324074A - Variable speed mechanism : en
  • US2324451A - Current protective means : en
  • DE737607C - Liquid switch with arc extinguishing in a nozzle by the pressure generated by the arc itself in a pressure chamber : de en
  • AU562842A - An improved method of forming laminated arched or arcuate wooden structural members fora pontoon, boat, or like vessel : en
  • US2324388A - Swivelly mounted nut : en
  • GB554710A - Improvements in and relating to electron microscopes : en
  • DE737522C - Strain tester for textile threads : de en
  • US2323976A - Tape printing machine : en
  • US2324400A - Liquid clarification : en
  • CA413829A - Radio and television receiving apparatus : en fr
  • DE737352C - lubricant : de en
  • GB554727A - Improvements in or relating to degreasing apparatus : en
  • DE737589C - Measuring bullet : de en
  • FR883454A - Emulsion polymerization process : en fr
  • FR883733A - Method and apparatus for recording sounds and recording thus obtained : en fr
  • FR883661A - Ceramic insulator for high voltage : en fr
  • DE737632C - Self-seller for warm sausages or similar goods : de en
  • DE737559C - Stabilization circuit for devices with amplifier tubes, especially for tube voltmeters with anode rectification, in which the anode voltage is stabilized by a small glow lamp with a cross current of 0.5 to 2.5 mA : de en
  • SE107898C1 - : en
  • DE737390C - Injection molding device for thermoformable masses : de en
  • DE737498C - Resistance collector regulator for regulating motor circuits, especially for electrically powered vehicles : de en
  • DE737452C - Filter body made of a spiral wound filter layer : de en
  • DE737610C - Device for changing the thread guide stroke for rayon spinning machines : de en
  • US2324246A - Can aligner : en
  • US2323884A - Ash handling device : en
  • US2324133A - Light control means : en
  • DE737222C - Circuit arrangement for two-way connections in telecommunications, in particular telephone systems : de en
  • DE737434C - Method for measuring loss on an iron sample magnetized by an alternating current : de en
  • DE737406C - Ski with insert rail in the snow guide groove and metal side protection edges : de en
  • CH227894A - Circuit arrangement with slope-controlled susceptance values. : de en
  • AU649642A - Improvements in upholstery spring supports : en
  • AU528942A - Improvements in gas and air filters : en
  • DE737466C - Electron tubes for generating ultra-high frequency electrical vibrations : de en
  • CA413882A - Shoe insole working machine : en fr
  • CH227836A - Chute dryer with a circular cross-section for loose material. : de en
  • CA413887A - Bottle washing machinery : en fr
  • CH227860A - Insulated electric cable. : en fr
  • CH227910A - Hook fastener for connecting two flaps that meet at a right angle. : de en
  • CH227885A - Process for the preparation of a basic ester. : de en
  • US2323965A - Slack take-up device for tappets : en
  • USD135989S - Design for a slip : en
  • US2324093A - Garment hanger : en
  • US2324229A - Lattice structure : en
  • CH227782A - Color pour impression et procédé pour la preparer. : de en fr
  • DE737404C - Footwear with a wooden midsole : de en
  • US2323897A - Flight indicator : en
  • AU977643A - Frequency standard vernier : en
  • CA413858A - Weak nitric acid concentration : en fr
  • AU669342A - Improvements in or relating to sheet steel and method of making thesame : en
  • CH227801A - Process for the production of wear-resistant protective layers on magnesium and magnesium alloys. : de en
  • CH227880A - contact converter. : de en
  • DE737359C - Additional device for the monitoring lamps of signal devices on motor vehicles : de en
  • DE737518C - Process for treating the melt produced by incinerating garbage : de en
  • US2324223A - Rosin refining : en
  • DE737601C - Heating system for troughs of ship lifts and similar movable components : de en
  • AU117218B2 - Improvements in gas and air filters : en
  • CA413892A - Tensiometer : en fr
  • US2323928A - Soil stabilization : en
  • CH227797A - Process for the production of molded articles from superpolyamides. : de en
  • FR883781A - Pneumatic brake for damped stopping of a rotating element in motion : en fr
  • GR10123B - METHOD OF PREPARATION OF CYANIC ACID. : el en
  • US2323905A - Television : en
  • DE737454C - Evaporator, especially for feed water : de en
  • FR883764A - Method of shaping highly polymerized rectilinear formula bodies : en fr
  • CH226456A - Process for the treatment of goods containing tannin. : de en
  • CH227925A - Process for the production of erasable photographs. : de en
  • DE737375C - Conveyor equipment on sheet cutting and folding machines : de en
  • DE737580C - Protection circuit against contact voltage : de en
  • FR883767A - Manufacturing process of a hollow synthetic textile product : en fr
  • CA413826A - Gearshift mechanism : en fr
  • CH227881A - Device for regulating the duration of contact with contact converters with lifting contacts. : de en
  • CA413838A - Selective program distribution system : en fr
  • DE737532C - Process for the denitration of waste acids containing nitric acid, sulfuric acid and organic substances : de en
  • US2324186A - Treatment of rubber : en
  • US2324369A - Diazine derivatives : en
  • CA413799A - Car truck spring group : en fr
  • CH227751A - Composite construction, which consists at least partially of wood and concrete. : de en
  • CA413848A - Electricity conductor unit : en fr
  • CH227833A - Additional device for chain milling machines, through which they can be used as dovetail milling machines. : de en
  • DE737432C - Arrangement for measuring alternating voltages : de en
  • US2324152A - Tractor seat : en
  • US2324348A - Preservation of soaps and perfumes : en
  • ES8242U - Special closure for bottles (Machine-translation by Google Translate, not legally binding) : en es
  • DE737457C - Device for draining steam water from deep drainage points : de en
  • US2324144A - Multiple connector plug : en
  • ES8245U - Fuse holder device for electrical installations. (Machine-translation by Google Translate, not legally binding) : en es
  • FR883707A - Directing sound devices : en fr
  • FR883760A - Transmit and receive switching device : en fr
  • US2323919A - Wheel suspension : en
  • CH227843A - Flywheel drive device for presses, punches and similar machines : de en
  • DE737428C - DC generator : de en
  • DE721353C - Anti-skid device for motor vehicles : de en
  • US2324274A - Track sander : en
  • US2324007A - Equalized hydraulic brake system for six wheeled vehicles : en
  • CH227870A - Melting protection. : de en
  • DE737517C - Process for the production of azo dyes : de en
  • US2323994A - Oil cooler : en
  • US2324185A - Electric storage battery : en
  • US2324202A - Machine for manufacturing meat balls : en
  • US2324452A - Two-way creep check : en
  • US2324167A - Escape construction for submarines : en
  • US2323921A - Keyboard perforator : en
  • US2323939A - Can end closure attaching machine : en
  • USD135994S - Floren airplane : en
  • US2324402A - Lubrication : en
  • DE737413C - Process for achieving a crunchy grip on rayon and rayon made from regenerated cellulose : de en
  • DE737526C - Change gear : de en
  • FR883691A - Power regulation of aircraft engines with charge compressor : en fr
  • FR883731A - Central sleeve for electric current collectors and other similar articles of compressed material : en fr
  • DE737581C - Fuse : de en
  • DE737403C - Liftable wiper lever for windshield wiper : de en
  • GR10120B - METHOD FOR THE MANUFACTURE OF STYPTICALLY ACTIVITIES. : el en
  • GB554735A - Improvements in electric current timing devices for welding machines or the like : en
  • FR883701A - Plant protection agents : en fr
  • GB554626A - Method of manufacturing laminated articles from veneer or like sheet material : en
  • CA413866A - Impervious gas container : en fr
  • FR883752A - Non-return safety device for devices using mixtures of explosive fluids : en fr
  • GB554700A - Improvements in the electric heating of structures : en
  • DE737605C - Cooling system working with one or more refrigeration machines : de en
  • ES8238U - Special metallic container to contain, transform and sell combustible gas for all uses. (Machine-translation by Google Translate, not legally binding) : en es
  • GB554607A - A new or improved anti-freeze mixture : en
  • DE737392C - Method and device for the detection of Truebungen : de en
  • GB554646A - An improved manner of and means for erecting frame buildings : en
  • FR883734A - Electric bed warmer : en fr
  • DE736831C - Ship steam turbine : de en
  • US2324397A - Method for production of continuous structures : en
  • US2324460A - Ring binder : en
  • DE737422C - Float-controlled control valve : de en
  • FR883705A - Automatic dice game : en fr
  • ES8209U - Bicycle hub with drum brake. (Machine-translation by Google Translate, not legally binding) : en es
  • GB554592A - Improvements in or relating to the preparation of alumina from clay or other aluminium-containing materials : en
  • FR883675A - Improvements to belts, girdles and corsets : en fr
  • CH227933A - Signaling device for railway safety systems. : de en
  • CA413835A - Electromagnetic clutch system : en fr
  • DE737612C - Iron-shaped ear tag : de en
  • FR883777A - Device for centric fixing of a frame against its support : en fr
  • GB554687A - Improvements in electric welding : en
  • US2324160A - Core taking apparatus : en
  • CH227913A - Device for utilizing the energy of the exhaust gases from internal combustion engines used to drive aircraft. : de en
  • CA413847A - Electrical wiring system : en fr
  • US2324347A - Preservation of perfumes : en
  • CH227912A - Landing gear for aircraft. : en fr
  • CA413792A - Therapeutically active metal carrier to the body : en fr
  • CA413817A - Variable speed transmission : en fr
  • US2323900A - Lamp mounting for bicycles : en
  • US2323998A - Pattern means for knitting machines : en
  • US2324008A - Fountain pen : en
  • US2324310A - Jewelry case : en
  • US2324360A - Throttle valve : en
  • CA413844A - Electron beam deflecting yoke : en fr
  • AU593042A - Two band signal receiving system : en
  • US2324017A - Cigar enveloping : en
  • CA413888A - Band sealing tool : en fr
  • DE737576C - End loop of double-wire contact lines : de en
  • FR883670A - Further development of schmidt's optical system : en fr
  • FR883713A - Process for the catalytic aromatization of aliphatic or cycloaliphatic hydrocarbons : en fr
  • GB554745A - Improvements relating to hand trucks : en
  • US2324112A - Refining process : en
  • CA413820A - Sheep shearing machine : en fr
  • US2324424A - Battery protection and indicating system : en
  • CH227900A - Char possédant un arrière-train. : de en fr
  • US2323987A - Yarn guide for twisting frames : en
  • CH227791A - Liquid atomization dryers. : de en
  • CA413816A - Explosive charge for wells : en fr
  • DE737360C - Control device for the cooling air of the drive motor arranged in the rear of a motor vehicle : de en
  • DE737372C - Folding hat frame : de en
  • CA413869A - Electrical indicating apparatus : en fr
  • US2324087A - Etching process : en
  • US2324214A - Phonograph apparatus : en
  • CH227911A - Propulsion system for watercraft and aircraft. : de en
  • US2324085A - Geochemical well logging : en
  • US2324319A - Dynamoelectric machine : en
  • CA413837A - Shingle planing machine : en fr
  • CH227792A - Contact apparatus for gas reactions. : de en
  • CA413809A - Tool electric motor : en fr
  • USD135974S - Suction cleaner casing or the like : en
  • DE737333C - Process for processing the lees that fall off as precipitate from wort in hops : de en
  • DE737358C - Device for adjusting the fore-and-aft and the camber of the wheels of motor vehicles with oscillating axles : de en
  • CA413803A - Wear test method and composition : en fr
  • US2324182A - Method of producing gears : en
  • DE684906C - Straw lifter for mowing machines : de en
  • US2324181A - Pipe covering : en
  • US2324325A - Surfaced cement fiber product : en
  • CA413763A - Signal or controlling device : en fr
  • CA413880A - Shoe sole working machine : en fr
  • US2324377A - Porcelain bushed grinding wheel : en
  • US2324022A - Aerial device : en
  • AU663742A - Improvements in and relating to heat exchangers for water heaters : en
  • US2324159A - Baled hay separator : en
  • US2323997A - Control system : en
  • CH227930A - Ultra short wave device with adjustable wavelength. : de en
  • US2324097A - Adhesive and the method of causing adherence therewith : en
  • US2324171A - Harvester platform : en
  • US2324179A - Mixing machine : en
  • DE737354C - Shrink capsules and sausage skins : de en
  • FR883739A - Flexible wood sole : en fr
  • DK61133C - Drive mechanism for Bicycles and similar Vehicles. : da en
  • DE737365C - Free cutting steel : de en
  • FR883789A - Improvements to branch tapping dies : en fr
  • DE737597C - Cooling air duct for the drive motor arranged in the rear of a streamlined motor vehicle : de en
  • GB554637A - Improved means for stripping insulation from insulated electric conductors : en
  • GB554705A - Wiper arm for windshield cleaners : en
  • FR883742A - Installation of electric converters : en fr
  • DE737508C - Guide pieces for permanent magnets : de en
  • DE737519C - Cap-like umbrella tip : de en
  • ES8229U - An entertainment game (Machine-translation by Google Translate, not legally binding) : en es
  • GB554703A - Phenolic resin compositions and method of making same : en
  • DE737338C - Coil with a magnetizable core made of several parts of materials with different temperature coefficients : de en
  • US2324453A - Winding reel for maps or the like : en
  • USD135986S - hubert : en
  • DE737388C - Absorbent toilet seat protection cover : de en
  • DE737503C - Lighting device in which a preferably aplanatic lens is located in the beam path of a light source : de en
  • AU117223B2 - Improvements in or relating to work piece feeding and chucking apparatus usable with rotatable hollow spindles of lathes or like machines : en
  • US2324153A - Screw-holding screw driver : en
  • DE737344C - Arrangement for measuring the absorption of X-rays using an X-ray electrical cell which acts on the grid of one tube of a tube measuring bridge : de en
  • DE737533C - Process for breeding microorganisms used to obtain fat and other cell components : de en
  • US2324173A - Bellows : en
  • US2324238A - Loading mechanism for firearms : en
  • ES8225U - New stove. (Machine-translation by Google Translate, not legally binding) : en es
  • US2323910A - Magnetic switch : en
  • DE737546C - Device for measuring the feed path of work spindles mounted in a feed sleeve on machine tools, in particular drilling spindles on drilling machines : de en
  • GB554672A - A method of and means for constructing buildings including the walls, roofs, and partitions thereof, air raid shelters and the like : en
  • ES8244U - Footwear of new type, with inarticulate rubber sole. (Machine-translation by Google Translate, not legally binding) : en es
  • FR883676A - Adjustment system of an aircraft power plant : en fr
  • DK61121C - Turntable, especially for Gas Generators. : da en
  • FR883724A - Device comprising an electric discharge tube in a gaseous atmosphere : en fr
  • DE731424C - Tube socket with securing of an inserted discharge tube with multi-pin base against sliding out in the event of vibrations : de en
  • DE737431C - Arrangement for the elimination of the influence of undesired reactive power in the mains frequency excitation circuit of three-phase current control sets excited in a current circuit : de en
  • GR10118B - ORTHOPEDIC FOOT SYSTEM FOR SOLE OR AMPLIFIED FINGERS AND METALLURGES. : el en
  • GB554704A - Improvements in and relating to transfers : en
  • FR883800A - Hermetic closure for containers provided with a lid and method for achieving this closure : en fr
  • DE737539C - Process for the preparation of Pregn-4-en-3, 20-dione derivatives which are 21-substituted with oxygen : de en
  • ES8198U - Insulated cord for low intensity electric currents. (Machine-translation by Google Translate, not legally binding) : en es
  • FR883755A - Safety cylinder lock : en fr
  • GB554723A - Improvements in atomizing devices : en
  • GB554669A - Improvements in the manufacture of calcium hypochlorite : en
  • US2323958A - Tape transmitter distributor : en
  • DE737446C - Braking device for strollers : de en
  • FR883749A - Process for manufacturing gas-free castings, in particular parts made of light metal or alloys of light metals : en fr
  • FR883775A - Automatic feeder : en fr
  • US2324416A - Buffing or polishing machine : en
  • US2324445A - Fence wire clamp : en
  • USD135965S - Design for a cigarette box : en
  • DE737534C - Process and device for separating and washing fuseloel in alcohol distillation and rectification apparatus : de en
  • USPP594P - Rose plant : en
  • US2324314A - Electronic switch : en
  • GB554661A - Improvements relating to welding machines : en
  • CA413843A - Radio tube and socket : en fr
  • CH227800A - Process for the electrolytic coloring of objects made of aluminum with an oxidic surface layer. : de en
  • US2324297A - Dynamoelectric machine : en
  • DE737323C - Process for the production of azo dyes of the stilbene series : de en
  • DE737563C - Artificial teeth : de en
  • US2324051A - Traffic signal control apparatus : en
  • US2323975A - Machine for severing rubber : en
  • USD135970S - Design for a separable brooch : en
  • DE737451C - Card double sheet : de en
  • DE737521C - Device for the photographic registration of moving scales : de en
  • DK61125C - Cash register. : da en
  • DE737456C - Overheater suspension with two-part support rods : de en
  • US2323914A - Can closing machine : en
  • FR883735A - Wood gasifier : en fr
  • GB554643A - Improvements in electro-magnetic switches for the remote control of electrical mechanisms : en
  • CH227787A - Frame for a non-slip rubber sole. : en fr
  • FR883714A - Arrangement of prisms for the decomposition of an optical image into three base images shifted in a checkerboard pattern : en fr
  • GB554694A - Improvements relating to colour photography : en
  • GB554739A - Improvements in building constructions : en
  • ES8214U - A bed or support for injection ampoules (Machine-translation by Google Translate, not legally binding) : en es
  • GB554731A - Anti-theft device for preventing unauthorised removal of liquid from fuel tanks and other containers : en
  • US2324187A - Wrench : en
  • US2324408A - Amplifier : en
  • DE707408C - Yarn guide device for Koetz winding machines : de en
  • US2324199A - Preparation of ammonium and amine salts of acidic organic compounds : en
  • NL54838C - : en
  • DE737492C - Energy destroyer for lock gates : de en
  • CA413824A - Compensating circuit for photoelectric amplifiers : en fr
  • DE737467C - Process for the preparation of sulfur-containing dyes : de en
  • DK61127C - Apparatus for Lubrication and Impregnation of Paper Harvest Binder Yarn. : da en
  • GB554615A - Improvements in or relating to means for illumination : en
  • GB554750A - Improved ventilator : en
  • CH227866A - Electric drive for machines, e.g. B. planing machines. : de en
  • US2324414A - Ladder attachment : en
  • CH227783A - Method of washing laundry and washing machine for practicing this method. : de en
  • US2324433A - Multicolor decoration of vitreous objects : en
  • AU117206B2 - Improvements in and relating tothe manufacture of heat exchangers : en
  • CA413845A - Timing mechanism : en fr
  • US2324428A - Automatically releasable retaining device : en
  • US2324446A - Hand bean picker : en
  • CH227786A - Shoe insole and method of manufacturing the same. : de en
  • CH227840A - Shut-off valve. : de en
  • ES8237U - Briefcase with rubbing shoe for cleaning. (Machine-translation by Google Translate, not legally binding) : en es
  • US2324164A - Control device : en
  • US2324345A - Steam boiler : en
  • US2324288A - Reaction product of aldehydes and triazine derivatives : en
  • US2324030A - Hose coupling attaching apparatus : en
  • US2324253A - Vacuum bottle support : en
  • US2324353A - Roller tip for fishing rods : en
  • DE737314C - Electrolytic capacitor, especially in winding form : de en
  • CH227818A - Unlocked self-loading weapon, especially submachine gun, firing from the open locking position. : de en
  • US2324099A - Alkylation process : en
  • US2324286A - Derivatives : en
  • US2324461A - Brush structure and holder : en
  • DE737324C - Waterproof masking paste : de en
  • DE737349C - Process for the production of Kuepen dyes of the anthanthrone series : de en
  • DE737644C - Process for ventilation and heating of overpressure altitude chambers for aircraft : de en
  • DK61137C - Side directional device for grenade launchers or mortars. : da en
  • US2324441A - Dispensing device : en
  • US2323920A - Method of and apparatus for dewatering comminuted materials : en
  • US2324228A - Combination package and dispenser : en
  • US2324251A - Resilient wheel : en
  • FR883688A - Radiation tube with channel : en fr
  • US2324266A - Grinding machine : en
  • CH227829A - Control device for toolmaker lathe. : en fr
  • US2324339A - Home for wild life : en
  • FR883694A - Oil distribution valve for adjustment and lubrication of prime movers : en fr
  • US2324429A - Fishing pole : en
  • USD135985S - Design for a picture frame holder : en
  • US2324091A - Rocking chair : en
  • GB554620A - Improvements in or relating to gyroscopes : en
  • CA413842A - Radio tuning element position selecting device : en fr
  • ES8227U - Lined button. (Machine-translation by Google Translate, not legally binding) : en es
  • DE737383C - Roller switch with fuses : de en
  • US2324378A - Submarine prospecting : en
  • US2324395A - Beverage making machine and process : en
  • DE737340C - Ignition electrode for arc converter : de en
  • FR883697A - Spherical dome speed variation device for industrial machines in general : en fr
  • DE737455C - Suspension of pipe coils, in particular superheaters and pre-evaporators : de en
  • DE737483C - Single-action double valve serving to jointly block or open two passages to pressure vessels that receive liquefied gas : de en
  • FR883746A - Ceramic material holder for electric discharge bulb : en fr
  • FR883787A - Lightweight trailer with quick assembly and disassembly, for all uses and in particular to adapt to bicycles and mopeds : en fr
  • GB554601A - New monoazo dyestuffs : en
  • US2324282A - Wave length modulation : en
  • US2323892A - Holder for napkins, etc. : en
  • US2324163A - Driving mechanism : en
  • GB554702A - Improved machine for printing from a series of printing plates : en
  • CH227811A - Typewriter with a four-row keyboard. : de en
  • US2323941A - Centrifugal compressor : en
  • US2324140A - Mineral wool forming apparatus : en
  • US2324264A - Automobile trunk lock : en
  • US2323885A - Measuring and control apparatus : en
  • DK61123C - Suit bag. : da en
  • AU635642A - Improvements in or relating to apparatus for selectively positioning a typewheel : en
  • CH227748A - Process for the preparation of a water-soluble pesticide containing redone. : de en
  • CA413886A - Condensation product manufacture : en fr
  • CH227882A - Contact device for converters, converters, electrical machines or the like. : de en
  • DE737421C - Method for making unauthorized opening of a folded daily newspaper, magazine or the like visible. : de en
  • US2324143A - Method of making thread rolling dies : en
  • CA413785A - Fresh fish keeping means : en fr
  • CH227753A - Element for the formation of reinforced cement beams with double "T". : en fr
  • US2324293A - Power system : en
  • CH227794A - System with horizontal autoclave. : de en
  • CH227896A - Circuit arrangement for controlling the gain with the aid of a variable negative feedback. : de en
  • US2324096A - Well hoisting device : en
  • US2324295A - Manufacture of antiknock motor fuels : en
  • US2323996A - High voltage electrical measuring instrument : en
  • US2324011A - Blade wheel : en
  • US2324406A - Latching mechanism : en
  • US2323883A - Portable fire escape : en
  • AU1016943A - Improvements in and relating tothe cooling of internal combustion engines : en
  • CH227927A - Tape that can be used for belts, straps, etc. : de en
  • US2324432A - Coating composition and method of : en
  • AU117228B2 - An improved juice extractor : en
  • CA413781A - Infant's bathing device table : en fr
  • CH227813A - Film guiding and film ballast on cinematographic apparatus. : de en
  • FR883782A - Large surface stapling device for welding aluminum cans for sterilized cans and others : en fr
  • USD135980S - Design for a combination wallet : en
  • CA413825A - Veneer edge gluing machine : en fr
  • CA413849A - Glass chilling process : en fr
  • CH227761A - Heating device with air circulation tubes. : de en
  • US2324081A - Microscope objective : en
  • DE737470C - Pulverized coal burners : de en
  • CA413808A - Engine charge forming device : en fr
  • DE737343C - Vacuum-tight arrangement of insertion insulators for the anodes of mercury vapor rectifiers, which are located directly in the anode protection tubes : de en
  • DE737371C - Process for influencing the magnetic properties of mechanically processed iron-nickel sintered alloys by rolling, drawing, etc. : de en
  • DE737504C - Device for hanging brochures : de en
  • FR883660A - Protection and fault signaling for liquid tanks, in particular for electrical devices and machines : en fr
  • FR883740A - Friction disc clutch : en fr
  • GB554676A - Improvements relating to transmission gearing : en
  • GB554737A - Improvements in and relating to the manufacture of reinforced plastic moulded bodies : en
  • US2324231A - Vacuum cleaner dust bag : en
  • US2324442A - Electric ring for rotary knitting machines : en
  • US2323946A - Round straightener : en
  • US2324177A - Cathode sleeve : en
  • CA413840A - Cotter pin : en fr
  • CA413789A - Printing mechanism : en fr
  • CH227908A - Device for actuating bicycles. : en fr
  • CA413765A - Metallic rope and cable : en fr
  • CH227874A - Contact spring. : de en
  • CH227766A - Set of electrodes for electric cooking and heating apparatus. : de en
  • US2324241A - Basket weave bracelet : en
  • US2324268A - Fastening device : en
  • DE737316C - Paint binders : de en
  • USRE22349E - Booster for hydraulic braking : en
  • DE737536C - Compression refrigeration machine : de en
  • CH227888A - Process for the preparation of a higher amine. : de en
  • FR883671A - Lubricants : en fr
  • FR883772A - Machine for coating objects with liquid coatings such as wax : en fr
  • US2324172A - Processing well fluids : en
  • GB554726A - Improvements relating to furnaces for heating metals and the like : en
  • US2324260A - Paper file : en
  • US2324287A - Diazine derivatives : en
  • US2324206A - Stuffing box sealing device : en
  • US2323893A - Stage lift flow device : en
  • US2323972A - Method of forging : en
  • US2324323A - Pipe coupling cutter : en
  • US2323964A - Pouring fitting for paint containers and the like : en
  • US2324094A - Shoe with laminal wood sole : en
  • US2324148A - Electrically heated safety razor : en
  • DE737346C - Process for the preparation of dyes of the anthraquinone series : de en
  • GB554696A - Improvements relating to the heat treatment of metallic material or articles : en
  • US2324110A - Can opener : en
  • US2324394A - Signaling system : en
  • US2323891A - Silencer : en
  • US2323986A - Cathode ray tube : en
  • US2324336A - Indicating apparatus : en
  • US2324334A - Personal height gauge : en
  • US2324455A - Lamp coating apparatus : en
  • AU592342A - Improvements in or relating to vacuum or pressure operated servo brake devices : en
  • USRE22346E - Method of cakburizing : en
  • DE737486C - Rear suspension for bicycles, especially for motorcycles : de en
  • FR883666A - Tracing machine with radiation source emitting ultra-violet rays : en fr
  • FR883730A - Improvements to photoelectric luxmeters : en fr
  • NL54944C - Tractor with a coupling device that can be moved up and down by means of a lifting mechanism with a main transverse axis and that can be fixed in different height positions for interchangeable agricultural machines or implements : en nl
  • US2323925A - Hardness testing tool : en
  • DE737502C - Roller suspension for caterpillar vehicles : de en
  • US2323918A - Drying fiberboard and the like : en
  • CH227924A - Process for the preparation of N-p-acetylaminobenzenesulfonyl-N'-phenylurea. : de en
  • US2323904A - Container : en
  • US2324155A - Outlet box : en
  • GB554611A - Improvements in or relating to hand drill braces : en
  • US2323906A - Tunnel liner : en
  • CH227864A - Electric switch. : de en
  • US2324261A - Pickup device : en
  • US2324150A - Liquid dispensing nozzle : en
  • CH227889A - Hair clip to protect the scalp against the effects of heat in permanent hair curls. : de en
  • NL54852C - : en
  • DE737528C - Double screwdriver with wing stops : de en
  • US2324126A - Method of determining friability : en
  • DE737440C - Coring device for stone fruit : de en
  • US2324430A - Dual purpose buckle : en
  • CA413881A - Shoe assembling machine : en fr
  • CH227903A - Pneumatic jacket for bicycles and motorcycles. : de en
  • US2324015A - Phthalylsulphathiazole : en
  • CH227768A - Thermostatic cradle. : en fr
  • CA413831A - Life saving means : en fr
  • CH227901A - Electric vehicle with controller and battery operation. : de en
  • US2324326A - Sectionalized concrete house : en
  • US2324118A - High antiknock motor fuel : en
  • US2324105A - Subbing solution for photographic films : en
  • US2324124A - Water-soluble beryllium-phosphate glass : en
  • US2324003A - Double helical gear cutter : en
  • US2324382A - Nut cracker and sheller : en
  • US2324351A - Plate for controlling temperature of food and serving same : en
  • US2324457A - Drafting machine : en
  • CA413812A - Flash lamp : en fr
  • US2324232A - Display container : en
  • US2324235A - Buttonhole sewing machine : en
  • US2324025A - Dental tool grinder : en
  • US2323944A - Method of manufacturing magnetic materials : en
  • US2324227A - Wax beehive foundation : en
  • US2324444A - Optical instrument : en
  • US2324089A - Electron discharge apparatus : en
  • US2324250A - Sand blasting : en
  • DE737385C - Method for determining the phase equality of two AC voltages : de en
  • USD135976S - Design for a mop swab holder : en
  • US2324122A - Automatic immersion apparatus : en
  • CA413860A - Valve actuating mechanism : en fr
  • CH227878A - Contact converter with switching reactors for charging collectors. : de en
  • CA413871A - Slicing machine : en fr
  • US2324217A - Temperature compensator : en
  • USD135957S - Design for a liturgical fabric or similar article : en
  • USD135978S - Brooch or similar article : en
  • CA413788A - Loading and unloading mechanism for trucks : en fr
  • CH227838A - Articulated pipe connection. : de en
  • DE737629C - Electrically heated central heating system : de en
  • DE737363C - Machine for turning, forming and pressing cuffs : de en
  • DE737439C - Process for the production of a paste from connective tissue which can be absorbed into wounds : de en
  • US2323957A - Container-wall connection and track : en
  • US2324330A - Fire control apparatus : en
  • DE737587C - Solvents, softeners and gelatinizers : de en
  • CH227892A - Switch built into concentric high frequency lines. : de en
  • DK61138C - Coating or Coating Plate for Protecting Building Parts from Fire. : da en
  • DE737223C - Circuit arrangement for determining fees in telephone systems : de en
  • GB554720A - Improvements in or relating to devices for the safety of the flying personnel during crash-landing of an aircraft : en
  • CA413819A - Portable building : en fr
  • US2323943A - Multiple bar shaft coupling : en
  • USD135963S - Design for a shoe : en
  • CA413772A - Lady's suspender garment : en fr
  • DE737496C - Printing plate cylinder for rotary printing machines : de en
  • CA413839A - Thread guide : en fr
  • DE737436C - Process for the production of acidic wool dyes : de en
  • US2324075A - Flashlight synchronizing apparatus : en
  • US2324370A - Voltage regulator : en
  • US2323970A - Threading device : en
  • USD135967S - Design for an embroidered trimming or sevhlar article : en
  • GB554657A - Improvements in fluid-pressure brakes for vehicles : en
  • US2323934A - Film drier : en
  • FR883756A - Device suitable for packaging machines for picking up packages on an uninterrupted conveyor and depositing them on a second conveyor, also with uninterrupted operation, making an angle with the first : en fr
  • FR883719A - Enclosure for an electrical device or device closed by a cover made of insulating material : en fr
  • CA413832A - Forging apparatus : en fr
  • FR883799A - Automatic feed ration dispenser for horses and other animals : en fr
  • DE737442C - Device for separating the egg white from the egg yolk : de en
  • FR883669A - Device for tuning radio-electric devices with so-called band extension adjustment : en fr
  • US2324306A - Vacuum cleaner : en
  • US2324176A - Rod threading device : en
  • CA413787A - Metal product making apparatus : en fr
  • FR883681A - Device for tuning hollow resonators : en fr
  • US2324373A - Crankshaft : en
  • DE737414C - Process for matting textiles made from cellulose hydrate or cellulose acetate : de en
  • FR883656A - Optical viewfinder device : en fr
  • CH227804A - Process for the production of paper, in particular for electrotechnical purposes. : de en
  • CH227795A - Process and installation for the production of carbon by catalytic decomposition of carbon monoxide. : en fr
  • GB554690A - Improvements in or relating to seaplanes, flying boats, amphibians and the like : en
  • GB554725A - Improvements relating to furnaces for continuous heat treatment : en
  • FR883778A - Automatic platen press for cardboard cutting : en fr
  • FR883684A - Wooden bakery shape, solid wall : en fr
  • CH227759A - Attachment for extractor and ventilation pipes. : de en
  • CH227862A - Device for equalizing the switching speed of switches with compressed air drive. : de en
  • ES8192U - Device for eliminating atmospheric oxygen and for closing glass canning jars and other containers of similar class for the fresh preservation of foodstuffs. (Machine-translation by Google Translate, not legally binding) : en es
  • GB554692A - Improvements in mountings of internal combustion engines : en
  • GB554701A - Improvements in and relating to protective apparatus for electric circuits : en
  • USD135962S - Design for a shoe ob the like : en
  • DE737481C - Torsionally flexible universal joint coupling : de en
  • ES8152U - Box with hinged lid. (Machine-translation by Google Translate, not legally binding) : en es
  • GB554747A - An improved construction of electric cable for use with currents of high frequency : en
  • FR883795A - Clutch control devices also actuating a brake for use in agricultural tractors and the like : en fr
  • GB554604A - Improvements in or relating to apparatus for electrically transmitting proportional movements between a transmitter and a receiver : en
  • US2324312A - Bottle feeding mechanism : en
  • FR883710A - Spool-type steam engine with exhaust ports in the cylinder body : en fr
  • ES8243U - Improved shuttle for mechanical looms. (Machine-translation by Google Translate, not legally binding) : en es
  • DE737367C - Drop-dependent drop or pressure regulator : de en
  • DE737524C - Test stand for checking the effectiveness of the brakes on vehicles : de en
  • CA413794A - Carrier for containers : en fr
  • CH227857A - Creep-proof and glide-spark-proof discharge to high-voltage equipment. : de en
  • FR883759A - Support of the group of electrodes of electric discharge vessels : en fr
  • FR883687A - Stone sawing machine : en fr
  • CH227898A - Support for a package such as the reduced Swiss military package. : en fr
  • US2324427A - Abrasive product : en
  • US2324359A - Electrically operated smoke producer : en
  • GB554728A - Improvements in or relating to apparatus for cooling or attemperating oil or other viscous liquids : en
  • US2323888A - Pressure regulator : en
  • GB554652A - Improvements in and relating to radial cylinder motors and the like : en
  • DE737380C - Process for the production of spacers for air-space insulated electrical lines : de en
  • DE737445C - From vertically or almost vertically extendable from the wing, rake-like breakers existing dive brake for aircraft : de en
  • US2323926A - Hydraulic transmission : en
  • US2324082A - Battery terminal protective device : en
  • CH227918A - Process for the preparation of p-nitrobenzenesulfonylurea. : de en
  • FR883659A - Measurement of moisture penetration in hygroscopic materials, in particular in electrical insulators : en fr
  • ES8205U - Electric brazier. (Machine-translation by Google Translate, not legally binding) : en es
  • DE737643C - Format trolleys on fiber board forming machines with endless sieves : de en
  • GB554733A - Improvements in and relating to aerial bombs, self-propulsive in or on water : en
  • DE716918C - Anti-rust mask : de en
  • US2324379A - Portable pipe vise : en
  • ES8224U - Special scale for domestic uses. (Machine-translation by Google Translate, not legally binding) : en es
  • CA413815A - Plasterboard nail : en fr
  • CH227875A - Device for registering the intensity of neutron radiation. : de en
  • FR883751A - Cathode beam concentrator tube or light modulator tube whose cathode beam undergoes a circular deflection : en fr
  • GB554599A - Puncture sealing articles and method of making same : en
  • GB554706A - Conductive footwear : en
  • FR883747A - Balanced amplifier assembly : en fr
  • GB554660A - Improvements relating to oil burners : en
  • GR10119B - METHOD OF PREPARATION OF VEGETABLES AND FRUITS FOR CANNING : el en
  • US2324100A - Gas control means : en
  • US2324135A - Rail fastening : en
  • GB554602A - Improvements in or relating to electric insulation : en
  • CA413876A - Textile material processing : en fr
  • AU117217B2 - Improvements in or relating to tuning dials for radio receivers : en
  • US2323931A - Cable testing device : en
  • US2324058A - Hydraulic shock absorber structure : en
  • US2324201A - Slingshot, beanshooter, or beanie : en
  • ES8223U - Game for children. (Machine-translation by Google Translate, not legally binding) : en es
  • FR883699A - Auxiliary control mechanical force amplifier : en fr
  • GB554645A - Improvements relating to the manufacture of alternating electric current rectifiers : en
  • ES143270A1 - Transformations of tilting oscillations. : en es
  • DE737488C - Device for automatic cleaning and deburring of rotationally symmetrical pressed parts or the like. : de en
  • DE737600C - Segment lock for water passages on double-walled lock gates : de en
  • DE736894C - Oscillograph : de en
  • CA413827A - Container for bottled products : en fr
  • CA413885A - Headlight-tester : en fr
  • CH227844A - Hose on squeeze pumps. : de en
  • CH227847A - Device for controlling machines, in particular motors. : de en
  • CH227762A - Electric storage heater for space heating. : de en
  • ES8235U - A new radiator for heating and cooling (Machine-translation by Google Translate, not legally binding) : en es
  • DE737505C - Process for the production of a highly concentrated solution of a stable, highly viscous, partially saponified cellulose acetate : de en
  • DK61113C - Apparatus for setting up the walls of set machine matrices to avoid spears. : da en
  • DK61140C - Pliers for removing nails, which hold an electrical insulator on a base. : da en
  • GB554632A - Preparation of nitrophenyl amines : en
  • FR883686A - Brake valve for single chamber compressed air brakes for towed vehicles : en fr
  • CH227767A - Device for attaching I-rails for curtains and drapes. : de en
  • CH227849A - Method of starting internal combustion engines by means of compressed air, and installation for its implementation. : en fr
  • FR52027E - : fr
  • FR883689A - Process for examining or photographing flat or raised images projected onto a screen, particularly fluoroscopic images : en fr
  • NL55699C - : en
  • US2323942A - Machine for operating upon shoes : en
  • DE737523C - Device for taking specimens from industrial sand casting molds and for direct testing of these specimens : de en
  • DE737353C - Plasticizers and solvents : de en
  • US2324410A - Apparatus for decorating pottery ware : en
  • US2324049A - Mirror : en
  • DE737342C - Bracket for indirectly heated rod-shaped cathodes in electron beam tubes in bores of two spaced ceramic holding bodies : de en
  • FR883673A - Controllers for variable-pitch propellers : en fr
  • CH227837A - Protective device for slideways or rolling element guides on two machine parts that can be moved against each other. : de en
  • CH227928A - Auto switch. : de en
  • US2323974A - Process of and apparatus for conditioning metal bodies : en
  • US2324248A - Catalytic halo-substitution of saturated organic compounds : en
  • DE737572C - Process for the production of dihydrofollicle hormones : de en
  • DE737464C - Transmitter, especially for electrical impulses : de en
  • US2324422A - Suction cleaner : en
  • US2324380A - Apparatus for slitting paper : en
  • US2324439A - Golf bag support : en
  • GB554640A - Improvements relating to loom shuttle guards : en
  • CH227790A - Disc cutting machine with a rotating circular knife and a knife grinding device. : de en
  • FR883678A - Process for the preparation of unsaturated lactones of the cyclopentanopolyhydrophenanthrene series : en fr
  • US2324194A - First-aid kit : en
  • US2323959A - Printing telegraph apparatus : en
  • FR883662A - Heterodyne receiver with variometer tuning : en fr
  • CH227899A - Container for liquid or pasty materials. : en fr
  • DE737634C - Device for chemical treatment and washing of wood pulp, cellulose and the like. like : de en
  • FR883768A - Reaction coil, the turns of which are substantially separated by air and mounted so as to be free of loss, applicable in particular to radio transmitters : en fr
  • CH227807A - Method of manufacturing a sealed container. : en fr
  • CH227897A - Method for frequency modulation in magnetrons. : de en
  • US2323923A - Vulcanization of rubber : en
  • CA413855A - Motor saw device : en fr
  • CH227852A - Surface carburetor with porous packing for internal combustion engines. : de en
  • US2323945A - Motor : en
  • CA413771A - Distributor for fertilizers and insecticides : en fr
  • CH227865A - Control system. : de en
  • CH227907A - Suspension device for cycle trailers. : en fr
  • NL54864C - : en
  • DE737542C - Overcurrent or short-circuit triggering of the switch-off energy storage device of an electrical self-switch : de en
  • DE737593C - Method and device for testing the parts of oxygen breathing apparatus carrying pressurized oxygen for leaks : de en
  • US2324305A - Sound stroboscope : en
  • CH227902A - Steering mechanism for vehicles. : en fr
  • DE737506C - Stop valve for condensate plug : de en
  • CH227814A - Writing pad. : de en
  • CH227823A - Method and machine for obtaining decorations on parts of watch movements, etc. or any plates. : en fr
  • CH227845A - Self-priming circulation pump. : de en
  • US2324205A - Cupping press : en
  • USD136001S - De pontrex : en
  • DE737357C - Drive for swingable vehicle half axles : de en
  • AU117215B2 - Improvements in or relating to building slabs orthe like units : en
  • ES8230U - Rivet nut with box and internal thread lining, especially for aircraft construction. (Machine-translation by Google Translate, not legally binding) : en es
  • FR52021E - : fr
  • CH227760A - Heater. : de en
  • US2323969A - Stringed instrument : en
  • US2323973A - Machine for operating on shoes : en
  • US2324320A - Electrode holder : en
  • CA413878A - Hydrocarbon purification : en fr
  • CA413884A - Garment hanger : en fr
  • GB554638A - Improvements in or relating to the manufacture of gloves : en
  • AU475242A - Improvements in or relating to tuning dials for radio receivers : en
  • FR52050E - : fr
  • CA413830A - Radio-receiving apparatus : en fr
  • CH227871A - Protective device used to indicate malfunctions on liquid-filled containers, in particular electrical apparatus and machine housings. : de en
  • US2324371A - Maternity dress : en
  • AU117231B2 - Improved coupling with front wheel castor action for connecting harvesting machinery to tractors : en
  • CH227779A - Dishwasher. : de en
  • FR883665A - Device intended for the radiation of ultra-short waves, in particular waves of the order of one decimeter : en fr
  • GB554636A - Manufacture of synthetic camphor : en
  • US2324415A - Combined wrench and pliers : en
  • CH227830A - Device for protecting exposed cardan shafts. : de en
  • DE737491C - Dust collector on dust-free garbage disposal vehicles : de en
  • AU117203B2 - Improvements inthe separation of solids from liquids : en
  • NL54859C - : nl
  • US2323929A - Stabilization of soils : en
  • US2323951A - Refractory composition : en
  • FR883732A - Process for recovering hydrogen sulfide present in gases : en fr
  • GB554656A - Improvements in or relating to synchronous motors : en
  • GB554711A - Improved support for fire hose : en
  • US2324032A - Container : en
  • US2324358A - Bag making machine : en
  • CA413780A - Machine governor : en fr
  • DE737366C - Circuit diagram to show the operating status of the lines in a power distribution network with the help of illuminated symbols : de en
  • DE737433C - Arrangement for testing the switching capacity of high-performance electrical switchgear : de en
  • US2324128A - Lasting machine wiper structure : en
  • GB554674A - Improvements in and relating to sighting devices for aerial cameras : en
  • USD135973S - Design for a brooch or similar article : en
  • US2323981A - Coin-controlled vending machine : en
  • USD136000S - Design for a stocking : en
  • US2324434A - Refrigerant compressor : en
  • US2323916A - Grate : en
  • US2324137A - Food container : en
  • US2324019A - Work cabinet : en
  • DE737373C - Welded longitudinal seam on sheet metal container bodies, in particular tin can bodies : de en
  • FR883657A - Desk lamp with mirror surrounding the lamp and exterior reflector : en fr
  • FR883794A - Adjustable ignition bomb allowing to locate the explosion before the arrival on the ground : en fr
  • USD135999S - De coursey : en
  • US2324275A - Electric translating circuit : en
  • DE737594C - Rotatable carriage stanchion : de en
  • US2324115A - Method of making cores for transformers or the like : en
  • GB554651A - Improvements relating to gun mountings and recoil mechanism : en
  • US2324069A - Color photography : en
  • US2324302A - Stable-colored crystalline alkali metal hypochlorite-containing composition : en
  • US2324076A - Optical system : en
  • DE737450C - Process for the improvement of coloring with chromating dyes on animal fibers : de en
  • CH227856A - Refrigeration system working according to the compression system. : de en
  • ES8208U - A lipstick case (Machine-translation by Google Translate, not legally binding) : en es
  • DE737473C - Device for cutting off the head of fish, in particular herrings : de en
  • DE737509C - Arrangement for the neutralization of tube transmitters : de en
  • US2324064A - Gang disk implement : en
  • CH227805A - Process for making colored cardboard white and product obtained. : en fr
  • US2324195A - Apparatus for treating chemicals : en
  • DE737435C - Magnetic tube transmitter arrangement : de en
  • CH227809A - Sheet intended to receive food tickets. : en fr
  • GB554715A - Improvements in or relating to apparatus for modulating the frequency of electrical oscillations : en
  • GB554724A - Improvements in or relating to inductance coils : en
  • US2324192A - Combination instantantaneous and delay fuse : en
  • DE737583C - Holding device for fuse cartridges : de en
  • DE737461C - Electric circuit breakers, in particular high-voltage switches : de en
  • CA413854A - Protected metal article : en fr
  • DE737341C - Vacuum vessel made of metal with constant gas supply and gas discharge, in which a glow discharge takes place at any gas pressure that can be selected : de en
  • DE737419C - Process for the preparation of unsaturated fragments of compounds of the cyclopentanopolyhydrophenanthrene series : de en
  • DE737615C - Ring spring for resilient supports on vehicles, especially for aircraft struts : de en
  • FR883770A - Mechanical and motorized plow for plowing the soil : en fr
  • GB554680A - Improvements in wing-folding devices for aeroplanes : en
  • US2323912A - Coupling construction : en
  • DE737312C - Iron-chrome-aluminum alloys for objects subject to magnetic stress : de en
  • DE737384C - Time remote switch, especially for stairwell lighting : de en
  • US2324092A - Stalk cutter : en
  • US2324437A - Yarn production : en
  • US2323984A - Carburetor : en
  • DK61118C - Procedure for Manufacturing a Telephone or Telegraph Cable. : da en
  • GB554729A - Insecticidal and fungicidal compositions : en
  • US2324212A - Electric lamp : en
  • USD135966S - Design for a napkin holder : en
  • CH227778A - Clamping mechanism for automatic step-by-step displacement of the thread guide on a threaded spindle on a Kötz winder. : de en
  • FR883679A - Process for the production of synthetic materials : en fr
  • DE737547C - Device for facilitating the coupling of motor vehicle trailers : de en
  • FR883717A - Improvements to electronic tubes fitted with a secondary emission electrode : en fr
  • US2324161A - Control means : en
  • US2324307A - Ampere-hour meter : en
  • CA413795A - Ingot casting and separating method : en fr
  • AU117221B2 - Improvements in insulators in electric discharge tubes especially such tubes for maintaining a voltage constant : en
  • CH227831A - Ram planer for high cutting speeds. : de en
  • DE737441C - Glasses holder : de en
  • FR883680A - Low pressure meroure steam electric lamps : en fr
  • GB554634A - Improvements relating to coupling pins or shafts : en
  • DE737368C - Operation monitoring device for closed, oil-filled electrical high-voltage potential leading apparatus, especially for control switches of transformers : de en
  • DE737405C - Gymnastics equipment : de en
  • DE737541C - Device for forwarding faults in electrical wiring systems : de en
  • US2323953A - Meat treatment : en
  • DE737579C - Residual current circuit breaker for electrical consumer systems operated with alternating or three-phase current : de en
  • CA413769A - Pulp take off slide : en fr
  • DE737399C - Clutch with friction disks, which are pressed by a piston acted upon by pressure medium, especially for motor vehicles : de en
  • US2324384A - Ultraviolet screen for fluorescent lamps : en
  • US2323933A - Machine for shaping shoe parts : en
  • FR883641A - : fr
  • DE737614C - Adjustment device for landing flap : de en
  • FR883774A - Grid-shaped framework for the construction of roofs and floors : en fr
  • GB554749A - Improvements relating to the heat treatment of the insulating coverings of electric wires and cables and other materials : en
  • US2324106A - Process of ornamentation : en
  • CH227781A - Knitting machine. : de en
  • USD135960S - Sfoon or other article op flatware : en
  • US2324417A - Preparation of derivatives of dimethylol urea : en
  • US2324376A - Peanut harvester plow : en
  • US2324012A - Extraction of organic materials : en
  • DE737389C - Spindle shoe device for telescopic spindle lifter : de en
  • CA413773A - Building shore or strut : en fr
  • FR883779A - Safety device for automatic platen press : en fr
  • DE737475C - Measuring device for the colorimetric determination of the temperature of glowing bodies : de en
  • DE737482C - Shut-off valve for high pressure bottles : de en
  • GB554649A - Improvements in electromagnetic throttle control systems for internal-combustion engines : en
  • CA413813A - Electrical protective arrangement : en fr
  • CH227884A - Suspension lamp for low-voltage fluorescent tubes. : de en
  • DE737544C - Quick coupling for pipes with collars : de en
  • GB554691A - Improvements relating to the regeneration of fouled catalysts : en
  • DE737381C - Circuit arrangement for telegraph systems, in which the change between character and separation pulses and vice versa is transmitted by changing the phase of a carrier current : de en
  • GB554612A - Improvements in or relating to clogs : en
  • US2324356A - Cover structure : en
  • DE737411C - Process for introducing an alkali or alkaline earth metal into an evacuated room : de en
  • CA413774A - Journal box packing holder : en fr
  • USD135964S - Design for a locket brooch or similar article : en
  • CA413823A - Electrical contact and assembly : en fr
  • US2324088A - Distillation of high boiling esters : en
  • US2324233A - Frankfurter roaster : en
  • CA413861A - Valve actuating mechanism : en fr
  • ES8184U - Heating stove (Machine-translation by Google Translate, not legally binding) : en es
  • US2324224A - Locating and fastening means : en
  • US2323938A - Product and synthesis thereof : en
  • AU117214B2 - Improvements in or relating to relays for protecting electric circuits : en
  • AU599042A - Television scanning systems : en
  • CA413834A - Asbestos fiberizer : en fr
  • US2324399A - Apparatus for aligning and registering forms for multicolored printing : en
  • CH227916A - Process for the preparation of diazo (21) progesterone. : de en
  • US2324065A - Gang disk implement : en
  • US2324196A - Sawhorse : en
  • DE737558C - Surge voltage test arrangement : de en
  • US2324139A - Sash and ventilator : en
  • US2324299A - Brush rigging : en
  • AU117225B2 - Improvements in or relating to apparatus for selectively positioning a typewheel : en
  • US2324028A - Strip dispensing carton : en
  • US2323908A - Eraser cleaner : en
  • US2324267A - Truck : en
  • US2324183A - Prisoner s harness : en
  • AU117194B2 - Improved means for cooling and cleaning producer gas for use in an internal combustion engine : en
  • CH227909A - Starting device for tow rope conveyor systems. : de en
  • US2324130A - Chuck : en
  • US2324420A - Method of forming helmets : en
  • CH227777A - Process for the manufacture of bobbins and winder for carrying out the same. : de en
  • US2324210A - Bottle-cleaning machine : en
  • CA413859A - Fruit coring blade : en fr
  • ES8239U - A folding last that can be used for footwear in different sizes (Machine-translation by Google Translate, not legally binding) : en es
  • GR10117B - BAROMETER SENSITIVE. : el en
  • DE737427C - Charging process for the power storage of electrical systems in wind power machines : de en
  • DE737561C - Process for the production of stoving enamels : de en
  • DE737591C - Process for the photographic production of large grids or large negatives : de en
  • FR883783A - Improvements to electrical induction devices of the eddy current type : en fr
  • ES8183U - Toy. (Machine-translation by Google Translate, not legally binding) : en es
  • US2324216A - Tobacco pipe : en
  • US2324166A - Electrical connector : en
  • FR883763A - Process for shaping strongly polymerized bodies with a straight formula : en fr
  • US2324329A - Motor driven cable reel : en
  • DE737550C - Sheet metal bending press : de en
  • CH227904A - Lateral luggage rack for cycles. : en fr
  • DK61130C - Device for gear changes. : da en
  • GB554593A - Improvements in or relating to the preparation of alumina : en
  • GB554614A - Selective depression of minerals in barite flotation : en
  • GB554617A - Improvements in and relating to illuminated globe mounting : en
  • ES8241U - Innovations in photographic machines. (Machine-translation by Google Translate, not legally binding) : en es
  • FR883685A - Filtering fountain made up of sandstone filter tubes : en fr
  • CA413768A - Watchmaker's tool : en fr
  • FR883727A - Centrifugal pump with slotted annular valve : en fr
  • GB554648A - Improvements in or relating to knitting machines of the links and links type : en
  • US2324180A - Boring mill : en
  • US2324165A - Dehydroaromatization : en
  • US2324364A - Supporting base for electric scissors : en
  • DE737549C - Writing device with a strip of paper running off a roll : de en
  • FR883736A - Deck oven with regenerative heating, in particular the siemens-martin oven : en fr
  • DE737592C - HEPA filter : de en
  • GB554698A - Improvements in electric lighting and/or radiant heating fittings : en
  • US2323999A - Fastener : en
  • FR883668A - Improvements to neutralized balanced amplifiers : en fr
  • ES8194U - Vegetable and similar crushing apparatus. (Machine-translation by Google Translate, not legally binding) : en es
  • GB554600A - New monoazo dyestuffs : en
  • DE737602C - Tube well filter and filter attachment tube made of ceramic material : de en
  • GB554596A - Improvements in or relating to gyroscopic compasses : en
  • FR883682A - Lifting device for automobiles and other vehicles : en fr
  • GB554662A - Improvements in or relating to flexible mountings for instruments and other apparatus : en
  • US2324431A - Button : en
  • FR883750A - Bearings for horizontal shafts : en fr
  • GB554644A - Improvements in manoeuvre signalling devices for use on road vehicles : en
  • ES8220U - New cash register (Machine-translation by Google Translate, not legally binding) : en es
  • GB554610A - Rotary take-up for sewing machines : en
  • GB554616A - Method of marking and machine therefor : en
  • FR883672A - Manufacturing process of legume flour : en fr
  • US2324037A - Piano action : en
  • US2323924A - Superheterodyne receiver : en
  • US2324006A - Valve tappet : en
  • US2324113A - Method of making dextrose : en
  • US2324188A - Signal means for battery charging circuits : en
  • US2324372A - Motion picture projector apparatus : en
  • US2324375A - Swimming glove : en
  • US2324454A - Louver pivot clip : en
  • US2324052A - Swinging duplex clothesline pulley : en
  • CA413863A - Binocular : en fr
  • USD135984S - Design for a combined manicure implement and nail file : en
  • US2324349A - Tape dispenser : en
  • US2324419A - Electric traffic signal : en
  • DE737424C - Multipole overhead line disconnector : de en
  • US2324063A - Process of producing fat-soluble vitamin concentrates : en
  • CH227834A - Clamping device for wooden parts to be processed. : de en
  • USRE22348E - Hydraulic brake booster : en
  • US2323948A - Process for preparing phenylenediamine derivatives : en
  • US2323980A - Manufacture of organic compounds : en
  • US2324109A - Electromagnetic device : en
  • USD135983S - Crocheted lady s handbag : en
  • US2324308A - Hydraulic transmission mechanism : en
  • SE107889C1 - : en
  • US2324068A - Electrostatic bonding apparatus : en
  • US2324168A - Rotary compressor or motor : en
  • US2324254A - Method of removing mud barriers from oil wells : en
  • USD135981S - Design foe a combination wallet, cosmetic container, change purse, and transparent pocket : en
  • US2324317A - Telephone system : en
  • US2324191A - Speed control mechanism : en
  • CA413796A - Endless chain carrier : en fr
  • AU589542A - Improvements relating to centrifugal governors : en
  • AU117189B2 - Improvements in or relating to radiographic calculator instruments : en
  • US2324213A - Ordnance traveling lock : en
  • AU587442A - Improvements in or relating to relays for protecting electric circuits : en
  • CH227850A - Vehicle internal combustion engine for optional operation with a liquid or a gaseous fuel. : de en
  • CH227763A - Aerated concrete and process for its manufacture. : de en
  • GB554682A - A new or improved device for use with pull-throughs for rifles and other small-arms : en
  • US2323990A - Process for carrying out anion exchange reactions : en
  • US2324033A - Kerf cutting apparatus : en
  • DE737387C - Adhesive plaster : de en
  • USD135995S - Floren airplane : en
  • US2324368A - Reaction product of aldehydes and bis-(diamino diazinyl) cyanoalkylene disulphides : en
  • US2323955A - Resonance unit : en
  • US2323989A - Control head packer : en
  • US2324035A - Selvage for knitted fabrics : en
  • US2324366A - Edging for hat supports : en
  • US2324387A - Container and end closure therefor : en
  • US2323977A - Apparatus for conditioning metal bodies : en
  • US2324071A - Method of fueling solid fuel injection engines : en
  • US2324257A - Condensing and distilling device : en
  • US2324392A - Means for feeding liquefied gasozone fuel to internal combustion engines : en
  • US2323907A - Crust roller : en
  • US2323960A - Combined cigarette lighter, flashlight, and writing implement : en
  • US2324383A - Rheostat : en
  • DE737531C - Device for regulating the tension of torsion bar springs of the vehicle wheels independently mounted on rocker arms : de en
  • DE737350C - Process for the production of Kuepen dyes : de en
  • DE737468C - Process for the preparation of pentamethine-ªÏ-aldehydes heterocyclic bases : de en
  • FR883426A - : fr
  • DK61120C - Anode of Nickel Plate with Highly Radiating Surface and Method of Manufacturing. : da en
  • CA413764A - Piston ring : en fr
  • AU594242A - Improvements in insulators in electric discharge tubes especially such tubes for maintaining a voltage constant : en
  • US2324322A - High quality cast iron : en
  • DK61117C - Push Button Selector for Radio Receivers. : da en
  • US2323915A - Flap splitting machine : en
  • US2324278A - Rubber hydrochloride composition : en
  • US2324259A - Loose-leaf construction : en
  • AU117216B2 - Method of marking ona body of glass : en
  • DE737606C - Rail brake magnet made up of several parts : de en
  • US2323982A - Manufacture of white lead : en
  • US2324277A - Playing ball : en
  • US2324333A - Cover sealing means : en
  • DK61119C - Connecting device for fluorescent lamps or other Discharges filled with gases for operation of these with direct current. : da en
  • FR883785A - Steam or compressed air engine with coupled pistons and combined with a double-acting shutter valve with distribution system : en fr
  • GB554653A - Process for making aviation fuel : en
  • US2323922A - Multiple baking pan : en
  • US2324016A - Method of making razor blade packages : en
  • US2324077A - Measuring circuit : en
  • US2324409A - Latch : en
  • GB554630A - Improvements in or relating to high frequency resistances : en
  • DE737537C - Method and device for disinfecting or killing bacteria : de en
  • ES156865A2 - IMPROVEMENTS MADE IN THE MAIN PATENT : en es
  • CA413801A - Rubber goods : en fr
  • DE737345C - Process for the preparation of leuco-sulfuric acid esters of the anthraquinone series : de en
  • DE737444C - In and out of the position of use swiveling boot jack attached to a support : de en
  • FR883737A - Method and device for forming sharp points on nails, bait hooks, hooks or on other more or less rod-shaped objects : en fr
  • DE737396C - Exhaust manifold for internal combustion engines : de en
  • US2323985A - Diaphragm : en
  • US2324098A - Dipping lacquer : en
  • AU675842A - An improved juice extractor : en
  • CA413804A - Diesel locomotive : en fr
  • CH227883A - Suspension device for hanging lights. : de en
  • USD135956S - Liturgical fabric or similar article : en
  • US2324154A - Hunting garment : en
  • US2324462A - High frequency antenna system : en
  • DE737420C - Process for the preparation of ketones of the cyclopentanopolyhydrophenanthrene series : de en
  • US2324147A - Burner nozzle : en
  • GB554713A - Improvements relating to machines for printing from a series of printing plates : en
  • DE737538C - Process for the utilization of potato fruit water : de en
  • US2324043A - Ventilator device for poultry houses : en
  • US2324048A - Container for bakery products : en
  • US2324363A - Ammonium nitrate explosive : en
  • FR883698A - Process for the preparation of linear polyamides : en fr
  • GB554671A - Improvements relating to adjustable seats : en
  • US2323896A - Selective plaiting machine : en
  • CH227917A - Process for the production of formic acid. : de en
  • US2324200A - Electrical control apparatus : en
  • CA413793A - Liquid-solid separator : en fr
  • CA413797A - Snubber : en fr
  • CH227764A - Process for treating artificial mineral fibers with a view to increasing their mechanical strength. : en fr
  • DE737474C - Ceiling with a level soffit made of finished reinforced concrete beams and fillers mounted between these beams : de en
  • US2324084A - Backflow preventer : en
  • CH227861A - Electromagnetic contactor. : de en
  • DE737449C - Process for dyeing regenerated cellulose fabrics with anthraquinone dyes : de en
  • FR883709A - Automatic lifting pleated blind : en fr
  • GB554708A - Improvements in spades, hoes and the like : en
  • US2324078A - Sanitary coating composition : en
  • US2324070A - Shaving device : en
  • CA413867A - Asphalt drum lining : en fr
  • CH227799A - Process for the production of metal coatings by electrolytic deposition of heavy metals from baths. : de en
  • FR883658A - Time and intensity recorder of impulse currents, and recording measuring device : en fr
  • US2324111A - Suction nozzle with automatically retractable surface-contacting element : en
  • US2324283A - Diazine derivatives : en
  • ES8231U - Spark plug. (Machine-translation by Google Translate, not legally binding) : en es
  • GB554699A - Improvements in and relating to x-ray methods and apparatus : en
  • US2324272A - Wire brush abrading device : en
  • CH227802A - Process for the production of protective layers on the surface of magnesium alloys. : de en
  • CH227921A - Process for the preparation of p-methoxybenzenesulfonylurea. : de en
  • US2324280A - Control strip composing machine : en
  • US2324390A - Method and apparatus for reclaiming ultraviolet lamps : en
  • CH227749A - Equipment for garden irrigation and frost control. : de en
  • US2323979A - Control mechanism for metalworking machines : en
  • US2324151A - Folding box : en
  • US2324290A - Reaction product of aldehydes and diazine derivatives : en
  • US2324252A - Metal table : en
  • CH227826A - Welding process and facility for performing the same. : de en
  • DE737382C - Double-pole control switch for parallel, single and series connection of two heating resistors of electrical heating devices : de en
  • DE737624C - High-speed train track and method for laying high-speed train tracks : de en
  • GB554605A - Improvements in or relating to lever-operated electric switching devices : en
  • US2324237A - Container : en
  • FR883792A - Improvements in the processing of wheat, rice and other cereals and bran : en fr
  • US2324142A - Rivet and method of making same : en
  • US2324423A - Window shade mounting : en
  • USD135987S - Design for a stone setting fok rings : en
  • US2324209A - Hinge : en
  • USD135961S - Sfoow or other article op flatware : en
  • GB554619A - Improvements relating to loading mechanism for machine guns : en
  • GR10122B - AT THE SAME TIME SUBSTITUTE OF OIL AND RESIN. : el en
  • DE729508C - Arrangement to reduce the disruptive influence of magnetic stray fields : de en
  • DE737511C - Input circuit for radio receivers with shortwave range : de en
  • DE737637C - Lever disconnector : de en
  • FR883797A - Rubberized wood soles and heels : en fr
  • CA413833A - Vibrating screen : en fr
  • ES8204U - Wooden folding chair with or without arms, equipped with a special articulation device. (Machine-translation by Google Translate, not legally binding) : en es
  • ES8213U - Bag or bag heat generator for permanent wavy hair. (Machine-translation by Google Translate, not legally binding) : en es
  • AU603842A - Improvements in or relating to work piece feeding and chucking apparatus usable with rotatable hollow spindles of lathes or like machines : en
  • FR883748A - Radiation pyrometer : en fr
  • GB554668A - Carrier-signal receiver : en
  • NL55091C - : en
  • DE737484C - Drive device for valves u. like : de en
  • GB554624A - Improvements in the control of dynamo electric machines coupled to coiling reels and the like : en
  • CA413784A - Live lobster keeping apparatus : en fr
  • CH227920A - Process for the preparation of p-toluenesulfonylurea. : de en
  • CH227853A - Piston machine, the piston of which experiences a rotary motion in addition to the reciprocating motion. : de en
  • CA413856A - Centrifugal juice extractor : en fr
  • CH227915A - Roller scraper brush for roller mills. : de en
  • CH227851A - Fuel injection pump for internal combustion engines. : de en
  • USD135998S - Figure iii : en
  • US2324095A - Bearing for taking axial thrusts : en
  • CH227868A - Arrangement for the regulation of technical-physical operating parameters. : de en
  • CH227819A - Gas-tight coating and method of establishing such coating. : en fr
  • AU117195B2 - Two band signal receiving system : en
  • CH227785A - Zipper slider. : de en
  • CH227812A - Drive mechanism control mechanism for intermittent advancement of cinematographic films. : en fr
  • GB554613A - Improvements in and apparatus for the crimping of fibres : en
  • CH227780A - Process for the production of cards that are used to identify work processes. : de en
  • AU587042A - Improved means for cooling and cleaning producer gas for use in an internal combustion engine : en
  • CA413893A - Eyeglass lens brace and protector : en fr
  • DE737417C - Scraper reel arrangement for clearing out large settling and boiling pans, e.g. Salt pans : de en
  • DE737429C - Changeable resistor or potentiometer : de en
  • AU1016043A - Improvements in or relating to vacuum milking apparatus : en
  • CA413895A - Latex processing : en fr
  • US2324055A - Sealing element : en
  • GB554683A - Improvements in or relating to apparatus for the removal of matter in suspension from liquids by settlement or subsidence : en
  • DE712853C - Strap stretching system with sliver compactor : de en
  • DE737453C - Filter body with a spiral wound filter layer with band-shaped inserts between the individual winding layers : de en
  • GR10125B - MOVING BANK WITH ANTENNA FOR RADIO DEVICE. : el en
  • US2324398A - Floor screen : en
  • USD135979S - Design for a tire branding iron : en
  • US2324120A - Control device for burner nozzles : en
  • DE737397C - Cooling device for turbine runners : de en
  • DE737465C - Procedure for shifting the grid current application point in electron tubes with an intrinsically positive grid current application towards more negative grid voltage values : de en
  • DE737513C - Arrangement for generating an in-phase auxiliary voltage in an Adcock system : de en
  • DE737525C - Gear transmission with load distribution on several transmission branches : de en
  • FR883722A - Membrane for dry gas meters : en fr
  • US2324047A - Switch construction : en
  • US2324190A - Grease interceptor : en
  • GB554689A - Improvements in or relating to the manufacture of regenerated cellulose yarns, filaments, films and the like : en
  • CA413807A - Baby's panties : en fr
  • US2324337A - Massaging appliance : en
  • US2324301A - Shielded relay : en
  • FR883726A - Indirect acting regulator, hydraulically loaded from the pendulum sleeve : en fr
  • DE737499C - Process for the production of an electrolytic capacitor with a tape-shaped spacer made of gelatin between the electrodes : de en
  • AU530142A - Improved coupling with front wheel castor action for connecting harvesting machinery to tractors : en
  • DE737447C - Process for the production of a protective coating on Dueker pipes using thermoplastic coating compounds and fabric sheets : de en
  • US2324440A - Waste container : en
  • US2324027A - Picture frame easel : en
  • US2324361A - Angle iron clamp : en
  • DE737642C - T-beam welded together from flange and web : de en
  • FR883401A - : fr
  • GB554623A - Improvements in the control of dynamo-electric machines coupled to coiling reels and the like : en
  • ES8206U - Pants and briefs for men. (Machine-translation by Google Translate, not legally binding) : en es
  • FR883704A - Process for preparing mixed polymerizates containing methacrylic acid derivatives : en fr
  • FR883788A - Spoked wheel for all types of vehicles : en fr
  • US2324197A - Preparation of sensitized lithographic plates, etc. : en
  • US2323949A - Process of making dies : en
  • US2324039A - Prefabricated construction unit : en
  • USD135971S - Brooch or similar article : en
  • US2324303A - Airplane antiicing construction : en
  • DE737560C - Electrical wound capacitor with several assignments : de en
  • GB554597A - Improvements in or relating to the mounting of guns on aircraft : en
  • GB554641A - Improved emergency devices for use in internal combustion engines : en
  • US2323913A - Folding pedal : en
  • US2323940A - Vulcanization of rubber : en
  • US2323950A - Proportional feeder : en
  • CH227929A - Electrical system for conversion purposes. : de en
  • US2324292A - Hand sander : en
  • US2324300A - Sulphonation process : en
  • US2323962A - Sanding and buffing tool : en
  • CA413775A - Cutting tool holder : en fr
  • CH227796A - Process for the production of a polishing and finishing compound for footwear. : de en
  • US2323917A - Tire chain applying tool : en
  • CA413805A - Locomotive : en fr
  • GB554741A - Improvements in or relating to riveting dollies : en
  • AU117219B2 - Improvements relating to sparking plugs for internal combustion engines : en
  • US2324132A - Automatic intermitting unit : en
  • US2324281A - Shock absorber strut or oleo leg for aircraft : en
  • DE737586C - Chimney cleaning cap : de en
  • US2324263A - Combination cutting and surfacing grinder : en
  • AU121656B2 - Variable inductance tuning : en
  • DE737638C - Electric control device : de en
  • DK61126C - Control device at Radsaamaskiner. : da en
  • US2323889A - Stock pusher : en
  • US2324321A - Register resetting mechanism : en
  • USD135990S - Design for a handbag : en
  • US2324324A - Casting reel : en
  • FR883718A - Device for adjusting the delay of a relay : en fr
  • GB554663A - Improvements in or relating to apparatus for cooling or attemperating oil or other viscous liquids : en
  • GB554625A - Improvements in the control of dynamo-electric machines coupled to coiling reels and the like : en
  • US2323993A - Washing machine : en
  • CH227810A - Lockable card index box. : de en
  • US2324211A - Drive for valves and the like : en
  • US2324031A - Corner protector : en
  • US2324365A - Windshield swipe : en
  • DE737460C - Push button apparatus, in particular push button panels for manual control of machines driven by electric motors : de en
  • AU117193B2 - An improved method of forming laminated arched or arcuate wooden structural members fora pontoon, boat, or like vessel : en
  • CA413874A - Hydraulic weighing scale : en fr
  • CA413868A - Cellulose derivative : en fr
  • DE737418C - Process for the production of formaldehyde from methane or gases containing methane : de en
  • CA413802A - Meringue mixture : en fr
  • CA413853A - Exhaust valve : en fr
  • US2324234A - Irrigator : en
  • US2324328A - Combustion chamber : en
  • AU638642A - Improvements inthe separation of solids from liquids : en
  • GB554718A - Manufacture of delustered or pigmented synthetic linear polyamides : en
  • FR52036E - : fr
  • FR883738A - Device for separating air from flowing liquid : en fr
  • CH227750A - Spray head for liquids. : en fr
  • DE737628C - Procedure for the determination of leaks in systems working with liquid sulfur dioxide : de en
  • US2324291A - Pump : en
  • CH227828A - Slide guides, in particular for machine tools. : de en
  • US2324174A - Weight indicator : en
  • NL55644C - : en
  • US2324208A - Device for forming and slicing butter and the like : en
  • DE737459C - Catenary : de en
  • CH227771A - Can. : de en
  • CH227905A - Protective device on vehicles. : de en
  • US2324338A - Pouring can : en
  • CH227887A - Process for the preparation of tetrahydro-p-oxazinylmethyl-benzodioxane. : de en
  • US2324138A - Overhead garage door : en
  • DE737355C - Length limiting device for metal hose expansion compensators : de en
  • US2323954A - Front-band construction for firearms : en
  • US2324104A - Riveting tool : en
  • CA413875A - Scale counterpoise : en fr
  • US2324123A - Fog inhibitor for photographic developers : en
  • US2324220A - Loom reed threading device : en
  • CA413814A - Dynamo-electric machine : en fr
  • CA413846A - Electricity conductor unit : en fr
  • DE735755C - Shaving machine with a reciprocating cutting comb between two fixed cutting combs : de en
  • CH227756A - Partition plate. : de en
  • CH227754A - Wall shaped brick. : de en
  • CH227773A - Yarn. : de en
  • FR883703A - Method and apparatus for preparing graphite molds and the like : en fr
  • CA413841A - Refrigerator crisper pan : en fr
  • DE737633C - Articulated rod for belt connector made of V-shaped wire hooks : de en
  • CH227820A - Device for converting spherical coordinates. : de en
  • DE737565C - Grow cabinet : de en
  • CH227931A - Bicycle tires. : de en
  • AU631342A - Repeater control : en
  • CA413883A - Press : en fr
  • CH227789A - Roughening machine for materials to be roughened, e.g. B. leather. : de en
  • DE737520C - Filler for plastics and synthetic resin compounds : de en
  • CH227824A - Process for separating aluminum from aluminum alloys by volatilizing the aluminum. : de en
  • CA413864A - Book binding machine : en fr
  • FR883793A - Peat dehydration process : en fr
  • GB554598A - Improvements in apparatus for disinfecting dressings, blankets, bedding and the like : en
  • GB554675A - Improvements in or relating to frequency changing devices, more particularly for very short waves : en
  • US2324108A - Autovalve arrester : en
  • AU117207B2 - Improvements in or relating to sheet steel and method of making thesame : en
  • CA413862A - Valve actuating mechanism : en fr
  • CA413770A - Log loader : en fr
  • CH227776A - Clamping device on winding machines. : de en
  • CA413800A - Hoist control means : en fr
  • US2324219A - Baseball mitt : en
  • CA413811A - Flash lamp : en fr
  • DE737364C - Further training of the gas cock according to patent 707 636 with selector for the main positions of the cock : de en
  • US2324162A - Whipped cream dispenser : en
  • US2324276A - Match book holder : en
  • DK61116C - Holder for Lookout Mirrors, especially for Trams. : da en
  • US2324129A - Presser structure for shoe lasting machines : en
  • AU589942A - Improvements relating to sparking plugs for internal combustion engines : en
  • DE737370C - Process for the production of paint raw materials in film form : de en
  • CH227895A - Tube generator fed back via a bridge arrangement. : de en
  • US2324178A - Electrical condenser : en
  • US2324332A - Sealing means : en
  • US2324393A - Bag making machine : en
  • US2324090A - Method and apparatus for removing amplitude modulation : en
  • AU1016143A - Improvements in or relating to vacuum milking apparatus : en
  • DE737458C - Circuit for the parking and tail lights for trams : de en
  • AU120073B2 - Improvements in or relating to vacuum milking apparatus : en
  • CA413852A - Self locking bolt : en fr
  • CA413779A - Nut locking device : en fr
  • CA413828A - Television transmitting apparatus : en fr
  • AU120072B2 - Improvements in or relating to vacuum milking apparatus : en
  • DE737395C - Device for cooling engine cylinders provided with cooling fins by two cooling air currents : de en
  • FR883758A - Clamps : en fr
  • GB554595A - Improvements in or relating to gyroscopic compasses : en
  • GB554678A - Improvements in hpmv electric discharge devices : en
  • GB554732A - Improvements in or relating to hydraulic shock absorbers : en
  • DE737410C - Process for the production of a flexible tube made of metal strips for electrical cables : de en
  • FR883791A - Apparatus and method for the preparation of chlorine dioxide and nitrogen oxides : en fr
  • US2323895A - Heat dissipating assembly : en
  • DE737497C - Method and device for recovering the color solvents that evaporate in gravure printing machines during the printing process : de en
  • US2324270A - Means for comparative spectral analysis : en
  • ES8185U - Equipment usable as raincoat and tent. (Machine-translation by Google Translate, not legally binding) : en es
  • CH227890A - Circuit arrangement in telephone private branch exchanges. : de en
  • CA413810A - Metallic bridge : en fr
  • FR883766A - Calculating machine with axially adjustable control discs : en fr
  • CH227919A - Process for the preparation of benzenesulfonylurea. : de en
  • CA413872A - Hydraulic force transmission mechanism : en fr
  • CH227816A - Process for the production of a ski which is glued together from several parts. : de en
  • DE737416C - Production of phosphor copper : de en
  • FR883654A - Manufacturing process for wetting, washing, cleaning, foaming and dispersing products : en fr
  • US2324354A - Water-soluble high molecular acylbiguanide : en
  • DE737616C - Equipment on compressed air sinks to influence the lowering direction : de en
  • CH227891A - Circuit arrangement for telephone systems with preparatory set mixed dialers. : de en
  • US2324014A - Succinylsulphathiazole : en
  • US2324271A - Artificial eyelash elongation : en
  • FR883674A - Process for preparing an agent containing zinc phosphide for the destruction of pests : en fr
  • FR883692A - : fr
  • FR52002E - : fr
  • US2324002A - Electrolytic cell : en
  • US2324284A - Reaction product of aldehydes and bis-(diamino triazinyl) cyanoalkylene disulphides : en
  • US2324119A - Bonded silicon carbide refractory : en
  • GB554591A - A process for the preparation of alumina from clay or other aluminium-containing materials : en
  • GB554688A - Improvements in or relating to machines for forming heel breast flaps : en
  • FR883741A - Interchangeable lens for cameras with photoelectric exposure meter : en fr
  • DE737394C - Starting switching device for internal combustion engines, especially diesel engines : de en
  • FR883720A - Lining or covering for fireplaces with a tapered wall : en fr
  • FR883744A - Device for aligning shafts and hubs with a non-circular profile : en fr
  • GB554751A - Carrier wave modulating circuit : en
  • US2324244A - Loose-leaf binder : en
  • US2324327A - Dynamoelectric machine brush rigging : en
  • US2324447A - Window construction : en
  • US2324044A - Fuse cutout : en
  • US2324298A - Printing press : en
  • US2324404A - Ignition testing and engine treating device : en
  • CH227877A - Metal vapor converters. : de en
  • DK61112C - Process for the Preparation of Easily Soluble Compounds of 2-Sulfanilamido-1,3,4-thiodiazoles. : da en
  • GB554647A - Devices for securing heads to handles of hammers and such like : en
  • US2323968A - Strip dispensing carton : en
  • US2324309A - Refrigeration apparatus : en
  • DE737437C - binder : de en
  • DE737596C - Device for adjusting the concave mirror of vehicle headlights : de en
  • DE737398C - Display device for fire extinguishers with pressurized extinguishing fluid : de en
  • US2324054A - Process of recovering ethers : en
  • US2324080A - Clutch control mechanism : en
  • DE737393C - Test stand for crankshafts : de en
  • DK61134C - Apparatus for Draining Bucket Milk. : da en
  • GB554629A - Improvements in presses for drawing metal and other material in strip or sheet form : en
  • CH227793A - Method and device for carrying out conversions between amalgams and solutions. : de en
  • DE737540C - Process for the production of k-strophantine-ª ‰ : de en
  • CH227863A - Installation switch. : de en
  • US2324107A - Method for the geochemical prospection of hydrocarbon deposits : en
  • DE737425C - Ventilator for electrical equipment : de en
  • US2324102A - Means for directional drilling : en
  • USD135991S - Design for a lifting jack : en
  • US2323937A - Slide calculator : en
  • US2324407A - Process for coloring fruit : en
  • US2323963A - Combined plastic and tape applicator : en
  • US2324184A - Shell casing supporting and protector ring : en
  • US2324438A - Statistical machine : en
  • FR883745A - Machine for working and in particular for polishing combs : en fr
  • US2323952A - Plating cradle : en
  • US2324381A - Container for lunch kits : en
  • FR883754A - Exhaust device for watch movements : en fr
  • GB554707A - Improvements in or relating to starting electrodes for electric discharge devices : en
  • DE737386C - Lampshade support : de en
  • DE737351C - Process for the production of lacquer and paint emulsions : de en
  • US2324436A - Packing and display case : en
  • US2324249A - Halo-substitution of saturated organic compounds : en
  • FR883711A - Very high voltage discharge tube, in particular for carrying out nuclear reactions : en fr
  • FR883769A - lock nut : en fr
  • FR883677A - Machine for the production of cast stones : en fr
  • US2324412A - Braking system for tractor vehicles : en
  • GB554686A - Improvements in or relating to carburetors : en
  • US2324013A - Amino-substituents of sulphanil-amide derivatives : en
  • US2324459A - Electric switch : en
  • DE737573C - Main girders of dismountable bridges consisting of box-like individual parts : de en
  • CH227832A - Guide rail for chainsaws. : de en
  • US2324193A - Air conditioning : en
  • GB554730A - The oxidation of organic compounds : en
  • DE737529C - Floatable motor vehicle with oscillating semi-axles : de en
  • US2324086A - Film spool holder : en
  • US2324204A - Tape dispenser : en
  • US2324426A - Abrasive product : en
  • DE737515C - Device for triggering a switching process in particular when a predetermined temperature is reached : de en
  • DK61122C - Machine for peeling chestnuts and similar seeds or fruits with hard shell. : da en
  • US2324079A - Adsorbent material : en
  • US2324262A - Magnetic contact : en
  • US2324385A - Method and machine for making molded stems for electrical devices : en
  • CH227827A - Process for the production of a membrane-like spring body from ring-shaped sheet metal disks and membrane-like spring body produced by the method. : de en
  • DE737507C - Paper holding device on typewriters, accounting machines or the like. : de en
  • FR883784A - File enhancements : en fr
  • GB554709A - Means for disposing of gases released from the water of a gas scrubber : en
  • ES8228U - Electric oven. (Machine-translation by Google Translate, not legally binding) : en es
  • USD135993S - Design for a perambulator body : en
  • CH227822A - Anchor escapement with pegs. : en fr
  • FR883715A - Bread basket : en fr
  • USD135958S - Design for an orphrey or similar article : en
  • ES8222U - New electric bakelite interuptor (Machine-translation by Google Translate, not legally binding) : en es
  • US2324294A - Target apparatus : en
  • US2324425A - Sand blasting machine, equipment, and the like : en
  • USPP596P - Rose plant : en
  • US2324289A - Reaction product of aldehydes and diazine derivatives : en
  • US2324059A - Electrical network apparatus : en
  • USD135988S - Design for a valve casing : en
  • CH227848A - Internal combustion free piston compressor system. : de en
  • DE737516C - Operating mode for electron tubes that have an elongated cathode with a voltage drop in the longitudinal direction : de en
  • AU121795B2 - Improvements in and relating tothe cooling of internal combustion engines : en
  • CH227858A - Transformer for highly variable secondary voltage and large secondary current. : de en
  • CH227835A - Knife sharpening machine. : de en
  • FR883780A - Machine for working a material in sheets and comprising at least one clamp bar : en fr