• US2023707A - Method of obtaining emissive coatings : en
  • AT143952B - High pressure discharge tube. : de en
  • CA354630A - Game table : en fr
  • US2023419A - Knock-down display device : en
  • US2023444A - Air conditioning for moving vehicles : en
  • CH181287A - Power converter. : de en
  • US2023575A - Apparatus for removing treads from tires : en
  • US2023656A - Machine for rolling metal : en
  • US2024040A - Pneumatic tire as used for road vehicles, aeroplanes, and the like : en
  • US2024107A - Removal of wax from hydrocarbon oil : en
  • US2023578A - Single piece partitioned crate : en
  • US2023685A - Method of preserving dead bodies : en
  • DE623085C - Molding equipment for the production of caseless sand molds in a row : de en
  • US2023727A - Manufacture of seamless tubes : en
  • DE622964C - Process for briquetting hard coal : de en
  • US2023853A - Tuning device for radioreceivers : en
  • US2023588A - Polishing machine : en
  • AT143823B - Electric hotplate. : de en
  • AT143969B - Power converter. : de en
  • CH181426A - Device for increasing the breakdown speed of pressure reduction pulses in pressure medium lines in compressed air brakes. : de en
  • US2023749A - Refrigerating device : en
  • CH181339A - Device for supplying fuel to an internal combustion engine. : en fr
  • US2023623A - Indicating device for cameras for preventing double exposed films and loss of films : en
  • US2024093A - Brake : en
  • US2023737A - Endless track vehicle : en
  • US2023967A - Internal combustion engine : en
  • US2023843A - Racket : en
  • US2023900A - Lip shield : en
  • US2024016A - Brake assisting device : en
  • US2023732A - Anchoring mechanism : en
  • CH181201A - Hot water system with bath heater. : de en
  • CH181252A - Process for the production of pigments. : de en
  • CA354627A - Night light : en fr
  • AU2033934A - Method of recovering and/or purifying aluminium and aluminium alloys : en
  • AT143833B - Anti-skid device that can be releasably attached to the shoe. : de en
  • DE623198C - Knitting machine for the production of knitted tubular yarn or knitted threads : de en
  • FR791658A - Device serving as a fulcrum for the cyclist : en fr
  • US2023668A - Electroplating apparatus : en
  • GB439752A - Improvements in telephone repeaters : en
  • CA354666A - Fluid actuating device : en fr
  • CA354692A - Shoe upper holding device : en fr
  • AT143818B - Edge protection for skis. : de en
  • AT143999B - Device for processing liquids or solids or liquids with solids. : de en
  • DE622942C - Locomotive, especially a mine locomotive : de en
  • DE623014C - Method for generating a constant permeability : de en
  • AU1909434A - Improved fillers for use inthe packing of eggs : en
  • AT143944B - Device for removing plastic when receiving television with cathode ray tubes. : de en
  • AU2142635A - Improvements in heated drum apparatus for desiccating liquids and semi liquids : en
  • CH181231A - Tie holder. : de en
  • CH181407A - Closure, especially for tubes. : de en
  • US2024021A - Dial plug gauge : en
  • FR791578A - Process for the production of low-ash fuel : en fr
  • FR791391A - Variable speed airplane : en fr
  • FR791526A - Process for automatically varying the pitch of the propellers in flight, and propellers comprising the application of this process : en fr
  • GB439712A - An improved entry arrangement for electric cables to joint boxes and other structures : en
  • US2024046A - Lubricating apparatus : en
  • USD97791S - Design for a jar : en
  • US2023474A - Method of making partitioned glass containers : en
  • GB439519A - Improvements in or relating to ploughs : en
  • DE623037C - Method for regulating the delivery rate of free-flight piston compressors : de en
  • CH181307A - Flame retardant and antiseptic preparation for the injection of wood and the treatment of fabrics, paper, etc. : en fr
  • US2023627A - Apparatus for controlling the temperature of a fluid : en
  • FR791554A - Automatic telegraph receiving device : en fr
  • FR791692A - Improvements to gyroplane devices : en fr
  • DE623145C - Flushing and charging device on two-stroke opposed piston diesel engines with rocker arm transmission to the crankshaft : de en
  • DK51012C - Wooden shovel. : da en
  • US2023640A - Thermostatic gas valve : en
  • FR45812E - Method and devices for the pneumatic transport of grains and similar substances : en fr
  • FR791417A - Compound internal combustion engine : en fr
  • FR791534A - Clamping and measuring device for workpieces with circular cross-section : en fr
  • USD97754S - Design fob a combined smoking stand : en
  • DE622975C - Process for the production of lead glazes : de en
  • US2024062A - Electric roaster : en
  • CH181325A - Device for sealing openings in grinding machine parts by means of a sealing body. : de en
  • DE623076C - Railway carriage pusher : de en
  • FR791634A - Artificial wave pool : en fr
  • AT143949B - Method for producing a mass to be used in electrical resistors or the like. : de en
  • CH181397A - Method for the wireless transmission of sound films. : de en
  • US2023609A - Pump and motor structure : en
  • CH181268A - Film tongs. : de en
  • AT143845B - Process for the production of rubber-containing asbestos seals, in particular It panels. : de en
  • DE623187C - Process for the production of electrical resistance layers : de en
  • GB439766A - Improvements in and relating to filters for the exhaust gases of internal combustionengines : en
  • DE622983C - Process for the production of chromium-containing dyes : de en
  • DE622911C - Method of preventing the corrosion of metal by aqueous fluids : de en
  • FR791442A - Method for the detection of fires in premises : en fr
  • GB439767A - Improvements in or relating to controlling devices for ventilators, roof-lights and the like : en
  • US2023670A - Steering gear of motor road vehicles : en
  • US2023639A - Semiautomatic starter control : en
  • US2023654A - Artificial tooth structure : en
  • US2023905A - Hygienic container : en
  • FR791667A - Floating bearing : en fr
  • FR791636A - Method and device for cooling the air drawn into breathing apparatus in open or closed cycle : en fr
  • GB439667A - Improvements in the method of mounting a machine on a support : en
  • FR791368A - Regulating device for internal combustion engines : en fr
  • CA354636A - Retort structure : en fr
  • CA354650A - Lauryl thiocyanate : en fr
  • US2023440A - Chaser and chaser clamp : en
  • DE618882C - Reproduction facility : de en
  • GB439753A - Improvements relating to means for scavenging the cylinders of two-stroke cycle oil engines : en
  • DE623162C - Stopping device for twisting spindles : de en
  • GB439732A - Fishing-line floats : en
  • GB439747A - Improvements relating to systems for relaying and distributing radio programmes : en
  • US2023582A - Hard rubber coating : en
  • DE622961C - Centrifugal drum for separating mixtures of liquids or gases : de en
  • DK50992C - Vodrulle or Tovskive. : da en
  • FI16870A - Blanders for cement bricks, lime bricks and other material : en fi
  • FR791588A - Folding chair ditë <<transatlantic>> : en fr
  • US2023722A - Entertainment device to accompany packages of merchandise : en
  • US2023803A - Decalcomania paper : en
  • US2023909A - Mechanical door opener and closer for overhead doors : en
  • CH181217A - Filters for coffee, tea and the like. : de en
  • US2023616A - Combination door check and catch : en
  • US2023703A - Combined sundae and soda receptacle : en
  • US2023901A - Child's step for use in combination with toilet stools : en
  • US2023902A - Suction cleaner current supply mechanism : en
  • US2023553A - Folding table : en
  • FR791385A - Development process and developer for producing images by curing on emulsions of silver halide colloids exposed to the action of light : en fr
  • DE622754C - Process for the production of hydrocarbons by pressure hydrogenation : de en
  • US2023676A - Game apparatus : en
  • US2023956A - Truck : en
  • US2024131A - Preparation of glue : en
  • US2023776A - Production of seamless tubes and other elongate articles : en
  • US2023549A - Creasing and burnishing machine : en
  • US2023926A - Process of preparing vat dyestuffs of the pyranthrone series and new vat dyestuffs prepared thereby : en
  • DE622893C - Method for automatic asynchronous starting of electrical synchronous machines : de en
  • AT143951B - Electric lamp. : de en
  • CA354735A - Hose nozzle : en fr
  • DE622950C - Display or printing device, especially for self-displaying scales : de en
  • AU2217135A - Improvements in coiled wire mattresses : en
  • CA354606A - Traffic position indicating model : en fr
  • CA354741A - Cushioned carriage : en fr
  • US2023675A - Fibrous composition : en
  • GB439580A - Improved dance floor powder : en
  • CH181337A - Two-stroke internal combustion engine in which air enters the working cylinder through two rows of slots one behind the other in the stroke direction. : de en
  • FR791496A - : fr
  • FR45826E - Unloading device capable of being adapted to all vehicle bodies : en fr
  • US2023970A - Projection system and method : en
  • US2024000A - Calked pipe joint : en
  • DE623104C - Monitoring device on tank systems with several containers and a common delivery line : de en
  • GB439540A - Improvements in and relating to change speed gears for cycles : en
  • US2023716A - Transmission drive mechanism for toy automobiles : en
  • US2023788A - Nonsiphoning flush valve : en
  • FR791648A - Improvements to elastic systems balancing the action of a variable load, particularly vehicle suspension systems : en fr
  • FR791683A - Pulverulent material transport installation : en fr
  • US2023830A - Foldable table : en
  • FR45843E - Multiple light signaling device : en fr
  • FR791456A - Device for ski bindings : en fr
  • FR791555A - Improvements made to silos for fodder, built or to be constructed in metal, masonry, wood, etc. : en fr
  • GB439555A - A process for the intimate bonding or welding of plastic substances of different or neighbouring compositions which is applicable particularly to rubber and nitrocellulose : en
  • CA354718A - Bottle : en fr
  • US2023625A - Shade holder and lamp hanger : en
  • US2023899A - Method of making a knife head : en
  • US2023689A - Clutch : en
  • GB439501A - Improvements in or relating to self-inductance variometers : en
  • GB439534A - Improvements in and relating to confections : en
  • FR791557A - Mechanical starter for motor : en fr
  • GB439763A - Improvements in or relating to automatic lathes : en
  • FR791559A - Keyless multi-combination lock : en fr
  • GB439884A - Manufacture of textile fabrics coated or impregnated with polymerisation products : en
  • US2023436A - Arrangement for producing rectangular alternating currents : en
  • US2023591A - Azo dyes and methods for their preparation : en
  • DE623098C - Equipment on bicycles : de en
  • GB439714A - Improvements in and relating to direction finding apparatus for use in wireless telegraphy : en
  • GB439807A - Manufacture of substituted acid amides : en
  • AU2224835A - Improvements in or relating to circuits for feeding electric discharge tubes : en
  • USD97803S - Design for a handle badl fob a suc : en
  • US2023683A - Forehead shield : en
  • US2023699A - Vehicle ventilating means : en
  • AT143855B - Method for correct-sided contact copying of recordings on photographic material provided with line or lens rastering onto photographic material with lens raster. : de en
  • FI16863A - Wrapping paper holder : en fi
  • GB439505A - Improvements in or relating to the production of artificial dispersions of or containing rubber : en
  • DE622997C - Device for slowing down the firing sequence with automatic weapons : de en
  • FR791604A - Process for the separation of undissolved liquid or solid constituent elements contained in liquids : en fr
  • DE622936C - Device for moistening or other treatment of tissues : de en
  • FR791597A - New advertising device : en fr
  • FR791490A - Edging gutters with protected drainage galleries : en fr
  • US2023733A - Wrench : en
  • AT143975B - Device for cutting ham, sausage and. like : de en
  • AT143994B - Use and treatment of chemically neutral austenitic chromium-nickel steel alloys. : de en
  • CH181228A - Device for converting fibers into a wool-like curled state. : de en
  • US2023400A - Cigarette lighter : en
  • US2023704A - Grinding machine feeding mechanism : en
  • US2023942A - Process of and apparatus for effecting reactions between solids and gases : en
  • FR791364A - Improvements to photographic chambers with focal shutter : en fr
  • FR791489A - Drum and cable control for articulated parallelogram elevators : en fr
  • GB439502A - Improvements in or relating to electric switches or circuit-breakers : en
  • DE623154C - Strut for retractable aircraft landing gear : de en
  • FR791637A - Advanced Capo : en fr
  • FR791448A - Apparatus for removing metal from the surface of metallic bodies : en fr
  • GB439695A - Improvements in altitude controls for internal combustion engines : en
  • DE623158C - Milling and cleaning machine for shoes : de en
  • US2023729A - Garter : en
  • DE622939C - Squeegee bearing for rotogravure printing machines : de en
  • AT143838B - Telephone handset. : de en
  • US2023393A - Rear light for automobiles and other vehicles : en
  • USD97787S - Design fob a shoe : en
  • US2023570A - Electrically controlled fastening machine : en
  • US2023907A - Ophthalmic lens : en
  • US2023509A - Automatic station selector : en
  • CA354687A - Striped rubber product manufacture : en fr
  • CA354708A - Stoker and firedoor : en fr
  • CH181243A - Process for producing a mixture of nitrogen and hydrogen. : de en
  • DK51003C - Means for freezing point lowering. : da en
  • US2023891A - Radio direction finder : en
  • US2023455A - Pulp shredder : en
  • US2023453A - Circuit for discharge tubes : en
  • AT143959B - Arrangement for the stepless starting and control of electric motors, especially three-phase motors with squirrel cage. : de en
  • DE623088C - Device for ventilation and drying of damp rooms : de en
  • US2024085A - Character frame : en
  • GB439607A - Improvements in and relating to sliding-contact machine parts : en
  • CA354632A - Orthopedic insole : en fr
  • CH181392A - Device with compensation device for non-linear distortions. : de en
  • DE623077C - Method for reducing spurious and two-way crosstalk interference in telecommunications cables : de en
  • AU2090135A - Improved blasting device : en
  • US2023691A - Airplane hangar door for naval cruisers : en
  • US2023767A - Liquid fuel burning apparatus : en
  • US2023837A - Milk dispensing device : en
  • US2024121A - Wheel and bearing : en
  • AT143816B - Clamp, especially for stocking wearers or the like. : de en
  • US2023988A - Process of removing foreign matter from used journal box waste oil : en
  • CH181283A - Method and device for exerting plus-minus alternating loads on the test specimen in materials testing machines. : de en
  • DE623023C - Remote controlled surge switch with a solenoid and several armatures : de en
  • GB439593A - Improvements in and relating to electric lamps, electric discharge devices and like devices having an energy translating element in a sealed bulb : en
  • US2023499A - Dispensing device : en
  • US2023904A - Process of finishing metallic sheets : en
  • US2024055A - Motor vehicle pedal : en
  • US2024130A - Liquid filling and measuring apparatus : en
  • DE623048C - Process for reconditioning used metal saw blades : de en
  • AU2073034A - Improvements in or relating to power transmission mechanism : en
  • DE622927C - Circuit arrangement for relay breakers, especially for telephone systems with dialer operation : de en
  • DE622914C - Sewing machine for connecting two fabric rims by means of a sewing and covering seam in one operation : de en
  • DE623201C - Cutting device with electrically controlled cutting tool for cutting tape-shaped work goods, in particular for shortening veneers : de en
  • DE623042C - Device for utilizing solar energy : de en
  • CH181460A - Anti-skid device on vehicle wheels with tire tires. : de en
  • US2024029A - Container : en
  • USD97761S - Design for a textile fabric or simi : en
  • US2023571A - Vessel closure : en
  • CH181377A - Lighting system. : de en
  • CA354732A - Railway car door : en fr
  • FR791677A - Means to achieve the movement of images or announcements by projection on screen of a fixed image : en fr
  • US2023794A - Clamp operating apparatus : en
  • US2023975A - Gripping device : en
  • GB439616A - Cadmium base bearing metal : en
  • GB439758A - Improvements in or relating to corsets : en
  • FR791560A - Method and apparatus for regenerating used lubricating oils : en fr
  • AT143812B - Protective cover to be attached to the ski. : de en
  • CA354657A - Radiator guard : en fr
  • CA354699A - Glass plate annealing apparatus : en fr
  • FR791472A - Method for forming regular fiber balls : en fr
  • DE602612C - Swash plate transmission : de en
  • DE614036C - Air tow with a tug and one or more trailers : de en
  • US2023741A - Method of and apparatus for treating chocolate masses : en
  • US2023593A - Method and apparatus for blowing down boilers : en
  • DE622940C - Steel alloy for spades : de en
  • FR791497A - Electric control device : en fr
  • GB439513A - Improvements relating to electric discharge vessels : en
  • US2024110A - Rail support : en
  • US2024033A - Sanitary food container : en
  • FI16844A - Med gasformigt tryckmedium arbetande sugapparat, särskilt avsedd för dammsugning : en fi
  • FR791517A - heavy oil evaporator-burner : en fr
  • GB439611A - Improvements in or relating to floor coverings and methods of making the same : en
  • GB439703A - Improvements in or relating to manifolding apparatus for typewriters : en
  • AU2043634A - Improvements in caravans : en
  • DK51000C - Cigar machine. : da en
  • AT143837B - Reflector for lighting fixtures. : de en
  • GB439665A - Wound condenser and method of manufacturing the same : en
  • FR791461A - Improvements to automatic skips : en fr
  • GB439511A - Improvements in or relating to insulating material for use in electric discharge devices : en
  • US2023395A - Air cooling for internal combustion motors : en
  • US2023482A - Steam inlet for radial flow turbines : en
  • US2024006A - Keyboard perforator and counter : en
  • USD97800S - Design for a textile fabric : en
  • CA354594A - Condensate evacuator : en fr
  • US2023894A - Keyless locking switch : en
  • GB439512A - Improvements in or relating to keyboard controlled recording or registering apparatus : en
  • GB439878A - Alloys and composite articles made therefrom : en
  • CH181352A - Armor for the protective sheath of electrical cables, in particular those exposed to the action of pressure. : en fr
  • CH181239A - Process for obtaining the low-boiling components of a solution using vapor compression. : de en
  • US2023637A - Process and apparatus for promoting chemical reactions in the electrical discharge : en
  • US2023726A - Saw blade : en
  • US2023681A - Winding reel : en
  • DE622910C - Device for attracting and devouring small organisms : de en
  • DE622996C - Lock for automatic firearms : de en
  • GB439618A - Improvements in or relating to apparatus for separating dust from gases : en
  • FI16843A - Apparat fåstkommande av konstgjord andning : en fi
  • GB439548A - Improvements in or relating to tanning processes : en
  • GB439760A - Improvements in and relating to electric plug couplings combined with switches : en
  • FR791363A - Device for transmitting light rays to photoelectric cells : en fr
  • FR791428A - Suspension mode of the wheels with damped displacements independently of each other : en fr
  • GB439620A - Improvements in screw propellers and like rotary members : en
  • GB439887A - Improvements in waist belts for personal wear : en
  • GB439488A - Improvements in or relating to abrasive lapping machines : en
  • DE622988C - Kuekenhahn with cams that can be lifted : de en
  • FR791609A - Improvements to railway tracks : en fr
  • FR791477A - Improvements to telemetry sights for cameras : en fr
  • FR791543A - Automatic advance and recoil propelling mechanism for toys : en fr
  • US2023925A - Carburetor : en
  • US2023833A - Metallic ingot mold and ingot : en
  • US2023976A - Process for breaking petroleum emulsions : en
  • USD97822S - Design for a textile fabric : en
  • FR791633A - Pedal mechanism : en fr
  • FR791600A - Rolling fastening device for curtains, drapes, etc. : en fr
  • FR791439A - Improvements to guiding and supporting devices for typewriter ribbons : en fr
  • FR791434A - Device for the automatic execution of the landing maneuver of an aircraft : en fr
  • FI16853A - Apparat för utmätning av vätskor eller gaser : en fi
  • FI16838A - Sät attververia syreabsorption och mörkfärgning av tallsåpa : en fi
  • FR45805E - Trailer hitching device : en fr
  • GB439746A - Improvements in or relating to cheese manufacture : en
  • US2023740A - Electrical resistance apparatus : en
  • DE623192C - Step switch for regulating transformers : de en
  • DE622932C - Overtaking machine in which the last floor of the shoe is directed downwards and the nails are fed to the nailing devices by compressed air : de en
  • DE623138C - Process for the production of molded bodies made of vitreous quartz : de en
  • FR791655A - Vertical ball launch game : en fr
  • FI16846A - Spisplatta med kokställen för hastig kokning : en fi
  • FR45839E - Progressive shock absorber by eccentric pulley and coil springs : en fr
  • FR45821E - Reinforced cement bar system for glazing without mastic : en fr
  • US2023467A - Inverted mantle holder : en
  • FR791355A - Device for electrical brake pressure adjustment in railway vehicles : en fr
  • FR791610A - Manufacturing process for molded parts comprising a tubular duct open on both sides : en fr
  • FR791679A - Fitting for flexible piping with internal metal core : en fr
  • FR791377A - Improvements made to television image transmission installations, in particular moving images : en fr
  • GB439749A - Improvements in and relating to the production of figured effects on cellulose-containing surfaces : en
  • US2023953A - Yellow mono-azodyestuffs capable of being chromed : en
  • AT143977B - Device for connecting two objects, in particular a suspension device. : de en
  • US2023414A - Compressor mechanism : en
  • US2023827A - Process for the production of iron sleepers : en
  • CA354665A - Heating apparatus : en fr
  • CH181196A - Heating equipment, in particular for wood-burning. : de en
  • FR791562A - New mechanical rotating bed : en fr
  • FR791608A - Method and device for the indirect production of steam by means of a heating fluid circulating in a closed circuit : en fr
  • GB439729A - Improvements in and relating to control systems for electric discharge apparatus : en
  • FR791548A - Repeating device on board, in particular applicable to railway signaling : en fr
  • FR791599A - Production of noun azo dyes : en fr
  • US2023686A - Hydraulic dredge : en
  • US2023446A - Signaling : en
  • US2023511A - Substance preparation and article of manufacture : en
  • US2023842A - Hydraulic feeding apparatus for machine tool units : en
  • US2023957A - Method of casting phosphorized copper : en
  • US2024039A - Universal folding ladder : en
  • US2024049A - Door adapter for rumble seat compartments : en
  • FR791685A - Photoelectric photometer applied to a cinematographic camera : en fr
  • CA354740A - Thermal insulator : en fr
  • CH181396A - Arrangement for generating short and ultra-short electrical oscillations. : de en
  • GB439615A - Improvements in and relating to electric water-heaters : en
  • GB439710A - Improvements in and relating to methods of recording acoustic vibrations : en
  • DE623074C - Machine for the production of shaped pieces from wire or the like. : de en
  • DE622840C - Bag closing device for filling and closing machines : de en
  • DE623149C - Process for the production of pulp from wood and other pulp-containing fibers : de en
  • DE622907C - Support roller for clamping z. B. photoelectric recorded sound carriers or image and sound carriers : de en
  • DE623095C - Cinematographic display device : de en
  • AT143844B - Process for making ready-made rayon that has been deacidified and dried on the bobbin, and possibly also finished and dried rayon. : de en
  • DE622909C - Device for processing coffee cherries : de en
  • FR791654A - Device for the adduction of a liquid in a regular proportion to another to ensure their mixing in a determined proportion : en fr
  • GB439720A - Improvements in or relating to cartons and like containers for sweetmeats : en
  • FR791473A - Device for automatic adjustment of variable physical characteristics, such as temperature or pressure : en fr
  • FR791365A - Production of azo dyes : en fr
  • GB439751A - Improvements relating to means for operating and securing windows, doors, and the like : en
  • FR791476A - Improvements to control gears and to the installation of the sheaf equalizer in the combine harvesters : en fr
  • FR791638A - Automatic gasoline recuperator in automobile engines : en fr
  • DK50997C - Vending machine. : da en
  • GB439718A - Improvements in apparatus for the manufacture of sanitary pipes, chimney pots and the like : en
  • DE623093C - Small reflex camera : de en
  • GB439796A - Pistons : en
  • USD97799S - Design for a terminal link for a : en
  • DE622921C - Range finder : de en
  • DE623155C - Process for the production of orthopedic shoes and shoe produced by the process : de en
  • DE623128C - Electrical connector : de en
  • FR791352A - Improvements to so-called <<start-stop>> telegraph devices : en fr
  • US2023540A - Bituminous emulsion : en
  • USPP159P - hillock : en
  • US2023624A - Burner : en
  • CA354599A - Clinker prevention : en fr
  • DE622896C - Spring tension roller for electric pull lamps : de en
  • GB439582A - An improved racket press : en
  • CA354600A - Electric globe locking device : en fr
  • CH181248A - Process for the preparation of a stain dye. : de en
  • CH181293A - Glass bezel for watch cases, counters, etc. : en fr
  • AT143986B - Roll printing unit for numerical registration, e.g. B. of measured values. : de en
  • FR791475A - Thermostat for electric stoves : en fr
  • FR791568A - New aircraft landing gear : en fr
  • GB439893A - Improvements in and relating to synchronous electric motors : en
  • US2023586A - Bilge water eductor : en
  • US2023755A - Anticorrosive solution : en
  • US2024058A - Piston : en
  • GB439724A - Improvements in and relating to electric hand lamps : en
  • CH181271A - Pencil sharpener. : de en
  • GB439790A - Improvements in or relating to differential gear for motor vehicles : en
  • US2024076A - Core extractor or sampler : en
  • GB439609A - Improvements in and relating to covers for vans or the like and for other purposes : en
  • GB439676A - Safety razor with shiftable band blade : en
  • FR791351A - Antiptosic strap : en fr
  • FR791478A - Device for capping bottles or similar containers and for storing carbonated drinks and all other liquids : en fr
  • FR791672A - Improvements in the production of antioxidants and the processing of rubber by these bodies : en fr
  • DE622960C - Device for stopping bottle wrapping machines or the like. : de en
  • USD97778S - Design for a bottle : en
  • FR791532A - Soft and elastic bed base : en fr
  • GB439735A - Acid and metal reaction process and product : en
  • DK50994C - Electric alarm device with both optical and acoustic alarm devices. : da en
  • DK51010C - Household gas appliance with Single burners. : da en
  • CH181443A - Process for the production of a highly viscous, weakly acidic solution of a high-molecular conversion product of casein. : de en
  • DE622920C - Method of making two-sheet bags : de en
  • DE623067C - Water column machine with two single-acting working pistons and shock absorbers arranged one behind the other : de en
  • DE623141C - Overhead crane system : de en
  • DE623167C - Fridge with refrigeration device : de en
  • FR791360A - Process for the preparation of rare gases and specific equipment for carrying out this process : en fr
  • FR791624A - Schedule table : en fr
  • FR791673A - Process for preparing must and beverages by fermenting this must : en fr
  • DE622906C - Dustpan : de en
  • USD97755S - Design for a goblet or similar : en
  • DE623044C - Automatic valve for devices for tapping pressurized lines : de en
  • DE623094C - Kine gripper : de en
  • US2023777A - Feed control : en
  • USD97789S - Design for a shoe : en
  • GB439666A - Improvements in or relating to reciprocating compressors : en
  • GB440259A - Improvements in or relating to the manufacture of lacquers, covering and coating compositions and plastic masses and of foils, threads and moulded articles : en
  • CA354603A - Spinning ring traveller : en fr
  • AT143873B - Display device for radio sets or the like. : de en
  • AU2036734A - Improvements in and relating to faucet and spigot ended pipes : en
  • CA354649A - Soluble corrosion inhibitor : en fr
  • CH181402A - Clock for advertising purposes. : de en
  • CH181363A - Multipole overcurrent relay. : de en
  • AT143925B - Rotary lobe pump, especially for viscous materials. : de en
  • CH181444A - Process for the preparation of an amine oxide. : de en
  • AT143870B - Far window with laterally movable wings. : de en
  • GB439485A - Improvements in or relating to typewriters : en
  • GB439585A - Improvements in or relating to locks : en
  • GB439704A - Improvements in, or relating to, cycle lamps of the electric dry-battery type : en
  • US2023751A - Aromatic arsonic acid : en
  • US2023757A - Air brake : en
  • US2023866A - Display rack : en
  • GB439762A - Improvements in and relating to electric converting apparatus : en
  • FR791420A - Improvements to sound recording and reproducing devices : en fr
  • DE623092C - Process for the production of shortening : de en
  • USD97783S - Design fob a shoe : en
  • FR791445A - Packaging improvements : en fr
  • GB439691A - Improvements in and relating to closets, and particularly chemical closets : en
  • DE623065C - Automatic firearm with twist lock : de en
  • GB439504A - Counterbalance for suspended electric lamps and other objects : en
  • GB439636A - Improvements in deflecting systems for cathode ray tubes : en
  • US2023596A - Method of and apparatus for making scales : en
  • US2023893A - Perforating die : en
  • CA354723A - Rotary toothed cutter : en fr
  • AT143966B - Method of manufacturing photoelectric electrodes. : de en
  • DE622405C - Process for the preparation of unsaturated lactones of the alicyclic series : de en
  • FR45823E - Elastic knit swimsuits : en fr
  • CH181229A - Labels, in particular for attachment to textile goods. : de en
  • DE623050C - Equipment on cinematographic apparatus for setting the film loop size : de en
  • GB439503A - Improvements in or relating to electron discharge apparatus and circuit arrangements incorporating the same : en
  • CA354673A - Relay : en fr
  • AT143891B - Drum washing machine. : de en
  • CH181419A - Gripper device on wheels with rubber tires. : de en
  • DE560036C - Process for the production of cellulose esters : de en
  • DE622823C - Process for the production of cutting tools in which hard cutting particles are embedded in a load-bearing matrix made of sinterable materials : de en
  • DE622982C - Device for the control of voltage regulators for the introduction of additional voltages in lines working in parallel : de en
  • FR791447A - Supercharged internal combustion engine installation : en fr
  • US2023725A - Apparatus for the preservation of eggs : en
  • CA354700A - Rug : en fr
  • CH181449A - Process for the preparation of a dye of the anthraquinone series. : de en
  • DK50995C - Holder for stair runners or stair carpets. : da en
  • CH181298A - Sealing bar for arc welding. : en fr
  • CH181351A - Plug connection device. : de en
  • US2023790A - Portable crane : en
  • US2024105A - Umbrella : en
  • FI16839A - Safety device for oil and gas installations : en fi
  • FR45848E - Improvements to extinguishers : en fr
  • CH181370A - High frequency coil with high frequency ground core. : de en
  • DE623163C - Tunnel kiln car for quick push-through : de en
  • FR791575A - Internal combustion engine : en fr
  • CH181306A - Glue and veneer oven. : de en
  • DE622952C - Circular knife scissors for trimming and dividing sheet metal packages : de en
  • US2024113A - Air-cooled brake structure for centrifugal separators : en
  • CA354588A - Pile fabric weaving method : en fr
  • CA354612A - Electrical receptacle and plug : en fr
  • AT143958B - Surge arrester built into an insulating housing. : de en
  • FR791643A - Improvements to running boards or automobile bodies : en fr
  • GB439642A - Improvements in protectors for flexible electric cables : en
  • CA354667A - Fluid actuating device : en fr
  • US2023888A - Shot shell and process of making same : en
  • US2023960A - Side dump wagon : en
  • CA354591A - Insole : en fr
  • AT143927B - Vibration dampers for shafts, in particular for crankshafts of internal combustion engines. : de en
  • US2023583A - Oil supply system for cables : en
  • CA354664A - Chemical compound stabilization : en fr
  • US2023543A - Typewriting and like machine : en
  • US2024045A - Swinging and swiveling chair : en
  • US2023972A - Transportation means : en
  • DE622928C - Electromagnetic switching device : de en
  • DE622946C - Spinning centrifuge, especially for rayon : de en
  • AT143811B - Swarm catcher that can be placed on a handrail. : de en
  • AU2286935A - Improvements in or relating to pneumatic drills, hammers and like tools : en
  • CH181266A - Small roll film camera. : de en
  • CH181429A - Paddle wheel with device for adjusting the rotating blades. : de en
  • FI16868A - Ski tie lock : en fi
  • US2023652A - Belt-lacing machine : en
  • US2024050A - Comfort retaining device : en
  • AU2041234A - Improvements in and relating to binders for sheets of paper andthe like : en
  • DE623126C - Train protection : de en
  • US2023983A - Box insert : en
  • US2023521A - Pan handling device : en
  • US2023785A - Hydraulic unit for variable pitch propellers : en
  • US2024035A - Shipping container : en
  • US2023513A - Piston construction for internal combustion engines : en
  • US2023895A - Press control mechanism : en
  • US2023945A - Endoscope : en
  • DE583107C - Production of high percentage nitric acid or nitrogen oxides : de en
  • CA354701A - Radio receiver : en fr
  • CA354688A - Frozen confection harvesting apparatus : en fr
  • CH181224A - Process for the production of a Schappe silk fabric. : de en
  • CH181366A - Method and device for deflecting the cathode ray in cathode ray tubes. : de en
  • US2023695A - Wheel and axle assembly : en
  • US2023834A - Screwless plug : en
  • US2023861A - Apparatus for extracting water from a wet textile and then drying the same : en
  • FR791537A - Process for the manufacture of cardboard impregnated with asphalt or the like and resulting cardboard : en fr
  • GB439541A - Improvements in bowl-covers for tobacco pipes : en
  • GB439625A - Improvements in or relating to containers for delivering, carrying and storing solid fuel and other materials : en
  • DE623161C - Two-for-one twisting spindle : de en
  • CA354703A - Thermostatic structure : en fr
  • US2023636A - Machine and method for making spikes : en
  • DE622965C - Process for the production of absorption products of ethylene in strong acids : de en
  • USD97765S - Design fob a glove : en
  • AT143860B - Hygienic article of the type of a bandage, in particular a sanitary napkin. : de en
  • AT143908B - Clamping device for fastening machine parts. : de en
  • DE623068C - Arrangement for the parallel connection of gas or steam-filled switching or control tubes : de en
  • DE623079C - Terminal row for measuring lines in electrical distribution systems : de en
  • FR791419A - Steam power plant for ships : en fr
  • FR791676A - Device for making photographic sound recordings : en fr
  • GB439889A - Temperature indicating and controlling device : en
  • US2023545A - Apparatus for oil treating systems : en
  • AT143851B - Lockable device with push button actuation for the administration of types of smoke. : de en
  • CH181190A - Ferrule. : de en
  • DE623164C - Welding and cutting torches : de en
  • DE622653C - King chair for turntables : de en
  • AT143843B - Process for producing a fuel. : de en
  • FR45803E - Further training in optical devices comprising in combination a base range finder and a telescope finder : en fr
  • GB439699A - Improvements in or relating to means for marking the surfaces of roads and the like : en
  • GB439731A - Hinged casements, fanlights, doors and the like : en
  • US2023454A - Propeller : en
  • US2024104A - Braiding carrier : en
  • GB439576A - Improvements in or relating to the ginning and cleaning of cotton : en
  • FR791369A - Process for attaching artificial resin heels to leather : en fr
  • CH181433A - Fabric holders, in particular for stockings and socks. : de en
  • CA354589A - Auxiliary shower device : en fr
  • CH181244A - Process for purifying ethers from carbohydrates. : de en
  • GB439507A - Improved method of and apparatus for holding glass plate during tempering : en
  • AT143809B - Apparatus for sterilizing fruit juices or the like. : de en
  • AT143942B - Bottle cap. : de en
  • CA354648A - Fuse cutout : en fr
  • US2023896A - Pressing machine : en
  • CH181422A - Bicycle frame for men's, women's and children's bicycles, with a single frame support to which a seat spring is attached. : de en
  • US2023783A - Egg crate tray : en
  • DE1356955U - : de en
  • DK50991C - Chair, Sofa or similar Furniture that can be converted into a Bed. : da en
  • FR791682A - Polycylindrical engine exhaust improvements : en fr
  • GB439660A - Improvements in and relating to surfaces adapted to receive printed, typed or drawn characters or the like : en
  • GB439654A - Improvements in and relating to the manufacture of gas meters : en
  • CA354593A - Folded sheet : en fr
  • CA354607A - Electric heater : en fr
  • CH181338A - Fuel pump on reversible internal combustion engines with airless fuel injection. : de en
  • FR791659A - Neutral floating soap : en fr
  • DE623111C - Method for achieving one-button operation with overlay receivers : de en
  • DE623082C - Cathode ray tubes with cathode, control electrode, anode and fluorescent screen : de en
  • DE623199C - Floor polisher : de en
  • FR45836E - Explosive charge : en fr
  • US2023442A - Reflector : en
  • DE623064C - Fitting part, in particular for locks, which is provided with a number of fastening tongues bent into teeth for fastening : de en
  • AT143806B - Device for drawing conic lines. : de en
  • DE622958C - Gripping pliers for gripping incendiary bombs : de en
  • FR791545A - Hydrocarbon fuel enhancements : en fr
  • GB439606A - Improvements in wrapping sweetmeat and other articles : en
  • DE623054C - Compensating axle for machines and vehicles : de en
  • GB439877A - Improvements in electric switches : en
  • US2023959A - Beehive : en
  • FI16858A - Sätt att framställa sulfitcellulosa : en fi
  • FR45817E - Freewheel hub with coaster brake : en fr
  • GB439674A - A process for improving mineral lubricating oils : en
  • CH181441A - Process for the production of a highly viscous, weakly acidic solution of a high-molecular conversion product of casein. : de en
  • US2023508A - Typewriting and like machine : en
  • DE622444C - Metal object assembled from individual parts with different electrical potentials : de en
  • US2023642A - Cotton sack : en
  • US2024096A - Manufacture of asphalt : en
  • GB439522A - Process of and apparatus for printing on paper and fabrics : en
  • FR791381A - Valve plate for gas meters : en fr
  • FR791430A - Process for purifying molasses : en fr
  • GB439774A - Improvements relating to photo-electric cells and methods of manufacturing the same : en
  • CH181236A - Method and device for the production of a non-gelling concentrated fruit juice. : de en
  • US2023605A - Combination chair and bed : en
  • USD97825S - Design fob a jab ob the like : en
  • USD97767S - Design fob a buckle : en
  • US2023528A - Combination awning and shutter : en
  • FR791412A - Drying facility : en fr
  • USD97817S - Design fob cover paper or the ijke : en
  • DE622972C - Device for keeping the voltage of AC machines constant : de en
  • FR45835E - Injector nozzle for connecting refrigeration cabinets to a water pipe : en fr
  • FR791488A - Ejection refrigeration machine : en fr
  • US2023793A - Reaction of sodium with hydrocarbons : en
  • US2023445A - Control apparatus for heating systems : en
  • DK50993C - Bicycle support. : da en
  • FR791536A - Machine for countersoldering bottoms crimped with containers of all shapes : en fr
  • GB439590A - Induction furnace with an open iron yoke : en
  • GB439594A - Arm-chairs or settees convertible into beds or divans : en
  • US2024070A - Method of making bolts : en
  • USD97786S - Cigarette holder : en
  • GB439527A - Improvements in bottom-casting hollow ingots : en
  • GB439624A - Screw propellers : en
  • US2023415A - Reciprocating compressor mechanism : en
  • US2023512A - Duplex metal article : en
  • DE622817C - Device for evaluating strips, cards or the like provided with holes or other markings. : de en
  • GB439776A - Improvements in or relating to systems of sculptural reproduction in three dimensions, by means of instantaneous photography : en
  • GB439770A - Improvements in transparencies for the optical projection of advertisements and the like : en
  • FR45828E - Apparatus projecting light or heat rays or sound waves : en fr
  • DE622962C - Method for the fine ventilation of diaphragm Gaerbottichen : de en
  • US2023813A - Beach shelter : en
  • GB439632A - Manufacture of nitronaphthylamines : en
  • US2024083A - Refrigeration system : en
  • US2023438A - Drawing and spinning roll : en
  • US2023601A - Operative mechanism for locomotive cylinder cocks : en
  • FR45842E - Automotive headlight refinements : en fr
  • FR791616A - Developer device with interchangeable springs for physical exercises : en fr
  • DK50999C - Alarm clock with Switch for an electrical circuit. : da en
  • US2023766A - Manufacture of filter tips for cigarettes : en
  • US2024003A - Pressure gauge : en
  • US2023773A - Waterinsoluble azodyestuffs : en
  • CH181221A - Bottle. : de en
  • FR791492A - Process for the protection of products sensitive to the photochemical action of light : en fr
  • DE622948C - Device for preheating the combustion air in stoves : de en
  • GB439518A - Improvements in padding applicable for laundry calendar rollers, garment presses andsimilar machines : en
  • US2023447A - Method and mechanism of heating and ventilating : en
  • US2023922A - Draft gear : en
  • DE623016C - Stocking protectors : de en
  • US2023524A - Transmission system : en
  • CA354592A - Folded sheet : en fr
  • CH181326A - Pistons with sealing devices, in particular for pumps. : de en
  • CA354653A - Television transmitter : en fr
  • DE622679C - Telecommunication conductor with constant weak inductive load : de en
  • CH181212A - Sofa bed. : de en
  • US2023504A - Radio receiving apparatus : en
  • AU2058534A - Improvements in and relating to scarifiers and like cultivating implements : en
  • CH181213A - Baby bed. : de en
  • GB439509A - Process for the manufacture of 1.4-dihalogen-anthraquinone-2-carboxylic acids : en
  • FR791491A - Flexible gasket with lead seal or other suitable material for pipes : en fr
  • GB439780A - Improvements in or relating to rubber threads and the manufacture thereof : en
  • DE623028C - Process for the production of Kuepen dyes of the anthraquinone series : de en
  • FR791356A - Automatic lock for domestic coolers : en fr
  • US2023645A - Manufacture of casting dies : en
  • US2023801A - Draft rigging : en
  • USD97819S - Design for a combined cake of soap : en
  • US2023493A - Driving mechanism for motion picture cameras : en
  • FR791396A - Improvements to ties and devices for their manufacture : en fr
  • GB439537A - Improvements in electric furnaces for heating sheets of plate glass or sheet glass before tempering : en
  • US2023915A - Decompression valve : en
  • DE623009C - Plate capacitor, especially variable capacitor : de en
  • FR791566A - Hidden slider closure : en fr
  • US2023713A - Typewriter : en
  • DE622984C - Process for the preparation of water-insoluble disazo dyes : de en
  • DE623043C - Luestersud : de en
  • DE623062C - Two or more-thread feed screw for meat wolves : de en
  • DK51005C - Concrete Shaker and Vibrator. : da en
  • FR791584A - Fuse with interchangeable cartridge fuses : en fr
  • GB439697A - Dummy figure : en
  • FR791354A - Improvements in needle bar stretchers : en fr
  • FR791567A - Cabinet for pick-ups, phonographs and similar applications : en fr
  • FR791699A - Process for producing liquid hydrocarbons of interest by destructive hydrogenation of carbonaceous materials : en fr
  • DK50996C - Coin Redeemable Delivery Mechanism. : da en
  • DE622944C - Paw bearing double motor for electric vehicles : de en
  • US2023394A - Shampoo and massage device : en
  • US2023981A - Process for breaking petroleum emulsions : en
  • USD97776S - Design fob a clock : en
  • USD97779S - Design for a toilet accessory jar or : en
  • AT143913B - Injection carburetors for internal combustion engines. : de en
  • CA354604A - Rotary engine : en fr
  • CA354635A - Propeller control mechanism : en fr
  • US2023745A - Device for the continuous renewal of glass in a drawing off basin attached to a glass furnace : en
  • US2023816A - Scrubbing machine : en
  • AT143884B - Containers made of paper or the like and process for their manufacture. : de en
  • DE622957C - Compensating device for vertically movable windows : de en
  • CH181369A - Tubular base. : de en
  • DE622912C - Two-plate gate valve : de en
  • US2023950A - Animal training device : en
  • CA354715A - Telephone exchange : en fr
  • CA354713A - Leather stretching and softening method : en fr
  • AU2129235A - Improvements inthe manufacture of condensation products of phenols and formaldehyde : en
  • AT143890B - Collapsible umbrella. : de en
  • US2024115A - Variable gearing : en
  • CA354639A - Cigarette rod sealer : en fr
  • CH181296A - Process for refining lead. : de en
  • CH181446A - Process for the preparation of 5-chloro-3-methoxy-2-amino-1-methylbenzene. : de en
  • AT143846B - Process for the production of synthetic resin molding compounds. : de en
  • AT143877B - Device for the transmission of electrical messages. : de en
  • DE623013C - Swiveling sliding window : de en
  • CA354698A - Crystalline hydrate production : en fr
  • CH181240A - Apparatus for degassing liquids. : en fr
  • CH181375A - Electric device with a battery, in particular a flashlight. : de en
  • AT143835B - Method of making walls and ceilings from concrete. : de en
  • AU2034034A - Improvements in or relating toa method forthe production of metals : en
  • CH181459A - Sealable hinge lock for boxes and similar containers. : de en
  • CA354625A - Road block : en fr
  • CH181232A - Shoe heel. : de en
  • CH181242A - Contact fabric made of metal wires. : de en
  • US2024088A - Sanitary toilet appliance : en
  • CA354711A - Die for pipe ends : en fr
  • DE622836C - Process for firing metal vapor discharge apparatus : de en
  • FR791367A - Development of centrifugal force regulators for prime movers : en fr
  • FR791424A - Muffle for vulcanizing dental appliances : en fr
  • FR791481A - Improvements made to two-wheel tractors, especially those for agricultural machinery : en fr
  • US2024057A - Blowpipe : en
  • AT143887B - Household refrigerator. : de en
  • CA354611A - Spring harrow tooth : en fr
  • CH181404A - Umbrella with multi-foldable struts. : de en
  • DE623031C - Russblaeser : de en
  • AU2295735A - Improvements in expansion sockets for bolts for building and engineering purposes : en
  • CA354609A - Drying apparatus : en fr
  • US2023720A - Centerless grinding machine : en
  • US2023920A - Water cooling system for internal combustion engines : en
  • US2023951A - Handle assembly for valves or the like : en
  • CA354598A - Destructible container : en fr
  • CA354677A - Knitting machine indicating means : en fr
  • CH181290A - Watch. : en fr
  • US2024129A - Bracelet : en
  • US2023949A - Telegraph printer : en
  • US2023534A - Vent for cleaning systems : en
  • US2023598A - Hand seamer for cans : en
  • US2024051A - Picture transmission system : en
  • AT143985B - Device for precisely centric setting of concave toric lenses or blanks to be ground on their support body. : de en
  • CA354622A - Replaceable handle : en fr
  • FR791580A - Puncture warning : en fr
  • FR791686A - Advanced automatic valve for inner tubes : en fr
  • GB439498A - Improvements in or relating to carburetters for internal combustion engines : en
  • CH181348A - Flywheel magnet system. : de en
  • AU2038034A - Improvements in or relating to footwear and footwear insertions orthe like : en
  • CH181384A - Process for the production of a pasty skin cleansing agent. : de en
  • DE623139C - Deck chair made of snowshoes and snowshoe sticks : de en
  • FR45845E - Pigment production : en fr
  • FR791504A - DC device protection device : en fr
  • GB439586A - Improvements in or relating to electrical resistance welding machines and automatic control therefor : en
  • USD97780S - Design for a clock case : en
  • AT143945B - Gas-filled rectifier tube. : de en
  • AT143874B - Permanent magnet made up of several pieces. : de en
  • CA354676A - Magnesia refractory : en fr
  • CH181206A - Fuel saver. : en fr
  • CH181461A - Automatic fuel regulator for continuous fluid pressure brakes. : en it
  • AU2042134A - An improved washing machine : en
  • AT143909B - Shut-off device. : de en
  • DE622991C - Arrangement to compensate for the moment caused by the propeller beam around the vertical axis of an aircraft : de en
  • FR791684A - Process for the vulcanization of rubber and resulting articles : en fr
  • US2023825A - Altimeter : en
  • US2023762A - Centrifugal separator : en
  • FR791485A - Ball catch : en fr
  • GB439658A - An improved means of resisting down draught in chimneys and ventilating shafts : en
  • GB439890A - Improvements in dyeing animal fibres : en
  • DE622899C - Process for the preparation of benzanthrone derivatives : de en
  • DE622931C - Electrically heated hot water storage system : de en
  • AT143922B - Machine in which an energy exchange takes place between a liquid or gaseous medium and a rotating system according to the displacement principle. : de en
  • CA354643A - Rectifier compounding system : en fr
  • DE623019C - Machine for producing evenly thick curved stereotype plates for rotary printing machines : de en
  • GB439603A - Packing material for perishable goods : en
  • US2023912A - Means for handling and shipping sheet metal : en
  • DK51008C - Die casting machine. : da en
  • US2023649A - Device for recording and reproducing films : en
  • CH181264A - Removal device on a device that is divided by partitions for holding briefcases, gramophone records, cardboard drawings and similar flat objects between the partitions. : de en
  • FR791415A - Improvements in the separation of dry materials : en fr
  • GB439587A - Improvements relating to shelters for animals : en
  • GB439923A - Improvements in servo brake mechanism for vehicles and the like : en
  • GB439883A - Adjustable letters and numerals : en
  • DE622758C - Vibration generator : de en
  • GB439879A - Improvements in ionic amplifier or detector tube : en
  • US2023422A - Method of making thermal : en
  • US2023510A - Automatic station selector : en
  • US2023690A - Automatic clutch : en
  • US2023993A - Process for breaking petroleum emulsions : en
  • DE1357091U - : de en
  • GB439545A - Process for the manufacture of conversion products of ethylenes : en
  • FR791579A - Advanced carpet vacuum cleaner : en fr
  • CH181437A - Process for the preparation of ketones. : de en
  • US2023822A - Means for immersing packages in melted wax or the like : en
  • FR791353A - Metal basket for multiple uses : en fr
  • FR791460A - Process for reducing the affinity of animal fibers for dyes : en fr
  • GB439584A - Improvements in and relating to mattresses : en
  • GB439672A - Improvements in and relating to automatic control systems for electric motors : en
  • US2023603A - Variable resistance element : en
  • US2023748A - Electrical resistance apparatus : en
  • USD97810S - Design fob a kiltie tongue : en
  • DE623022C - Adjustment device for brakes, especially railroad car brakes : de en
  • DE623172C - Process for the production of picture sound films with picture and light sound recordings on a common carrier : de en
  • GB439688A - Improvements in or relating to suspension arrangements for road or other vehicles : en
  • DE621357C - Device for the transmission of an adjustment pressure, in particular for fine adjustment of the roll gap in rolling mills : de en
  • US2023606A - Automatic disconnect system : en
  • US2023461A - Float structure : en
  • US2023697A - Rake attachment for lawn mowers : en
  • US2023464A - Embossing machine : en
  • US2023479A - Condensation products of the azabenzanthrone-acridine series and their production : en
  • US2023864A - Scale : en
  • US2023938A - Percussion fuse for bombs and similar projectiles : en
  • DE622985C - Process for the production of indigoid dyes : de en
  • FR791502A - Improvement in the supports of public lighting fixtures, or other, supplied underground : en fr
  • DE622916C - Knife slide drive for sewing machines : de en
  • DE623055C - Coupling device for motor vehicles : de en
  • FR791376A - Improvements in methods and devices for remote synchronization between two installations, in particular for synchronization of images, in television : en fr
  • FR791596A - Machine for making fabric sample cards : en fr
  • GB439693A - Improvements relating to taps or cocks : en
  • GB439706A - Improvements in and relating to the construction of sound-proof floors : en
  • DE623123C - High pressure water reservoir with two return valves : de en
  • DE623159C - Cross stitch pause tool : de en
  • FI16869A - Förfaringssätt och anordning vid ifyllning i askar av i en med fyllningsmaskin kombinerad komplettmaskin tillverkade tändstickor : en fi
  • FR791366A - Radiator : en fr
  • GB439786A - Improvements in weighing scales : en
  • AT143808B - Process for the preparation of tertiary nitriles. : de en
  • CA354712A - Nitrocellulosic sausage casing manufacture : en fr
  • FR791556A - Improvements to transfer devices or heat exchangers : en fr
  • FR791696A - Process for treating fibrous materials, more especially artificial fibers : en fr
  • FI16856A - Device for parsing : en fi
  • US2023471A - Automobile headlight : en
  • FR791455A - Device for igniting discharge tubes in gas : en fr
  • GB439521A - An improved bridge table : en
  • DE623089C - Butt connection for telescopically nested tubular parts of a detached reinforced concrete hollow mast : de en
  • DE623135C - Rod-shaped electrical heating element : de en
  • FI16855A - Method and apparatus of fuel injection and method of manufacture of the injection device, for internal combustion engines : en fi
  • GB439554A - Improvements in protective arrangements for grid-controlled rectifiers : en
  • DE623078C - Device for relieving the connection points of electrical lines from pulling and turning forces for installation equipment, in particular for plugs with a housing divided in the longitudinal direction : de en
  • GB439730A - Boundary beacon light for air-ports : en
  • GB439715A - Improvements relating to impulse transmitters for automatic telephone systems : en
  • US2023714A - Car truck : en
  • USD97777S - Design for a lighted electric razor : en
  • DE622978C - Contact wire supply terminal : de en
  • GB439743A - Process for finishing artificial silk : en
  • GB439754A - Improvements in and relating to baths : en
  • AT143840B - Shaving machine. : de en
  • GB439529A - Shaped articles and methods and apparatus for making same : en
  • US2023498A - Method of producing composite wrought forms of magnesium alloys : en
  • US2024099A - Driving mechanism for motor vehicles : en
  • CA354647A - Insulating composition : en fr
  • CH181382A - Device for collecting urine. : de en
  • DE622993C - Arrangement to warn aircraft of the risk of icing : de en
  • DE623121C - Method and device for processing tobacco : de en
  • DE623049C - Roll film capsule cassette : de en
  • CA354640A - Clothes washer : en fr
  • CA354626A - Window screen : en fr
  • AT143943B - Pipe connection. : de en
  • CA354619A - Separable fastener : en fr
  • CH181294A - Utility item consisting of a watch and a lighter. : de en
  • AT143801B - Washing and scrubbing device. : de en
  • CH181364A - Audion arrangement for rectification at very high modulation frequencies. : de en
  • CH181435A - Process for the preparation of a mixture of higher ketones. : de en
  • FR791397A - Floating caterpillar : en fr
  • GB439756A - Improvements in means for starting the engines of motor-driven lawn mowers : en
  • FR791386A - Percussion rocket refinements : en fr
  • FR791671A - Process for improving the wash fastness of dyes based on substantive azo dyes : en fr
  • FR791465A - Semi-automatic object dispenser device : en fr
  • US2023868A - Sewing machine : en
  • USRE19786E - Jetty : en
  • GB439652A - Improvements in or relating to television or like systems : en
  • CH181245A - Process for the production of a tanning condensation product. : de en
  • DE623125C - Stacking device : de en
  • AT143981B - Overrunning clutch for motor vehicles. : de en
  • AU2158635A - Closure cap for tumblers andthe like and method of making same : en
  • CH181430A - Electric cooker. : de en
  • US2023485A - Preparation of esters derived from dicarboxylic acids and polyhydroxy compounds : en
  • CA354633A - Rabbet plane : en fr
  • CA354628A - Beverage maker : en fr
  • CA354717A - Hide, skin and leather working machine : en fr
  • USD97804S - Emmey : en
  • US2024054A - Nut lock : en
  • CH181432A - Ironing pad with two parallel ironing boards. : de en
  • AT143931B - Battery discharge lamp. : de en
  • AT143936B - Circuit arrangement for telephone systems. : de en
  • AT143987B - Device for pressing out metal, especially lead or lead alloys in the form of pipes and. like : de en
  • CH181350A - Brush holder. : de en
  • CA354716A - Leather boarding machine : en fr
  • AT143932B - Electric voice writer. : de en
  • US2023880A - Manipulator for rolled stock : en
  • CH181418A - Wheel axle with hub. : de en
  • CA354654A - Traffic control apparatus : en fr
  • AU1925434A - Improved reduction gear : en
  • AU2256735A - Improvements in or relating to vacuum tins, cans, bottles andthe like : en
  • CH181341A - Glow wire plug. : de en
  • CH181286A - Registration device. : de en
  • CH181323A - Device for damping torsional vibrations in waves. : de en
  • AU2216435A - Improvements relating tothe electric control and indication of point operating mechanisms for railways andthe like : en
  • CA354695A - Remote control system : en fr
  • CH181210A - Device for holding carpets, door templates, runners and the like on wall plinths, thresholds, etc. : de en
  • CH181222A - Method and apparatus for pressing caps onto container heads. : de en
  • CH181275A - Device for facilitating swimming and moving boats forward. : de en
  • DE619729C - Mixing tap for serving lemonade : de en
  • DE623168C - Switch controlled by a locking switch and also operated by hand with a push-button contact spring arrangement : de en
  • US2023764A - Bearing : en
  • AT143850B - Display device for the current status of a game, e.g. B. Bridge or the like. : de en
  • CA354587A - Cushion and elastic stuffing : en fr
  • CH181359A - Electrical resistance with resistance body made of semiconductor materials. : de en
  • CH181431A - Process for the production of a finishing bath. : de en
  • US2024019A - Electric weld controlling device : en
  • CA354638A - Whisk : en fr
  • AT143820B - Protective edge for skis and wooden objects. : de en
  • AT143863B - Swim and wearable bathing jersey or item of clothing. : de en
  • US2023849A - Orthodontic device : en
  • US2023872A - Ether derivative of morpholine alcohols and process for making it : en
  • AT143973B - Time switch for electrical resistance welding machines that preferably work with extremely short welding times. : de en
  • AU2151135A - Improvements relating tothe control of electric generators : en
  • CA354704A - Ornamental band element : en fr
  • CH181357A - Switches with arc extinguishing by flowing or expanding gases or vapors. : de en
  • GB439705A - Improvements relating to loom dobbies : en
  • CH181333A - Hydraulic press system. : de en
  • CH181386A - Device for generating permanent waves. : de en
  • US2024132A - Process for introducing steel-forming additions into the aluminogenetic iron in aluminothermal welding : en
  • DE1356758U - : de en
  • DE622929C - Electric light bulb : de en
  • AT143866B - Process for the production of brewer's pitch. : de en
  • CH181301A - Barbed wire with a single wire strand of round cross-section. : de en
  • CH181331A - Light crane. : de en
  • CA354691A - Soap base refining process : en fr
  • CH181355A - Electric switch. : de en
  • US2023876A - Air cooling apparatus : en
  • US2024102A - Bumper unit for doors and the like : en
  • US2023765A - Valve : en
  • US2024103A - Catalytic process of polymerizing : en
  • CA354694A - Paper making apparatus : en fr
  • AT144000B - Steel alloy for objects that are resistant to particularly high pressures, e.g. B. explosion pressures, are stable and at the same time have increased resistance to wear. : de en
  • CH181349A - Hand machine tool operated by an electric motor. : de en
  • US2023693A - Flexible tool : en
  • GB439535A - Process of and apparatus for the production of magnesium : en
  • CH181401A - Advertising machine. : de en
  • CH181376A - Device for the supply of luminescent tubes. : en fr
  • DK51002C - PROCEDURE AND MACHINE FOR MANUFACTURE OF POROUS CORK MASS, ESPECIALLY FOR INSULATION PURPOSES. : da en
  • DK51015C - Combined Crusher and Grinding Machine. : da en
  • CA354696A - Egg and product preservation : en fr
  • CH181285A - Circulation counter on vehicle tires to determine the distance traveled. : de en
  • US2023569A - Automatic and manual carbon dioxide fire extinguishing system including selector valve : en
  • US2023914A - Automatic bunch builder : en
  • US2023798A - Flushing system and method and means involved in its operation : en
  • US2024018A - Field glasses : en
  • USD97807S - Design fob a scale : en
  • CH181398A - Remote electrically operated tachometer. : en fr
  • US2023599A - Safety brake for motor vehicles : en
  • US2023844A - Tennis set : en
  • US2023411A - Motion picture camera : en
  • US2023535A - Engine : en
  • US2023799A - Compressor : en
  • US2024109A - Engine starter : en
  • USD97814S - Design for a heater : en
  • US2023427A - Animal trap : en
  • US2023495A - Prepared resin : en
  • US2023735A - Railway carriage axle box : en
  • US2023542A - Dispensing container : en
  • DE623105C - Process for the production of table water : de en
  • AT143854B - Packaging material for any goods. : de en
  • DE622930C - Process for degassing raw lignite : de en
  • FR45850E - Glide path beacon for guiding aircraft on landing : en fr
  • FR791582A - Process for affixing layers of colloids containing silver halides to printing plates without deformation and resulting new industrial product : en fr
  • GB439604A - Improvements in or relating to clutch plates : en
  • CH181438A - Process for the preparation of cyclic ketones. : de en
  • US2023432A - Can shifting device for can washing machines : en
  • USD97753S - Design fob a clock case : en
  • AT143862B - Safety glass. : de en
  • US2024022A - Insole for footwear : en
  • DE622923C - Cartridge for handguns and machine guns with several partial loads : de en
  • FR791411A - Process for uniting iron or ferrous alloys with non-ferrous metals or alloys, non-ferrous alloys or metals with one another, or metals or alloys with non-metallic materials : en fr
  • FR791656A - Gear shifting with chain derailleur tensioner for bicycles : en fr
  • GB439668A - Improvements in or relating to measuring apparatus : en
  • FR791632A - Chimney vacuum : en fr
  • GB439685A - Improvements in or relating to furnaces and recuperators therefor : en
  • FR45837E - Crocodile for signaling railway tracks : en fr
  • FR791436A - Pipe enhancements : en fr
  • GB439726A - Improvements in or relating to synchronising devices for machine guns on aircraft : en
  • FR791399A - Magnet Core High Frequency Coil : en fr
  • US2023420A - Control system : en
  • US2023530A - Meat skinner : en
  • USD97813S - Design for a candle stick : en
  • US2023687A - Process for manufacturing boxes from wood and box : en
  • FI16831A - Förfaringssätt fr framställning av träkolsbriketter jämte briquette framställd medelst detsamma : en fi
  • FR791521A - Method and means for the manufacture of pipes of great length in cement, concrete or the like : en fr
  • GB439781A - Improvements in feeding troughs for poultry and the like : en
  • CA354709A - Locomotive tender : en fr
  • DE623058C - Security device against theft of motor vehicles : de en
  • AT143867B - Telecommunication cables for laying in telephone, telegraph or repeater offices. : de en
  • FR791650A - Process for producing air foam, in particular for extinguishing fires : en fr
  • GB439795A - Improvements in or relating to motor vehicles : en
  • US2024069A - Bolt : en
  • DE623152C - Process for producing halftone screens : de en
  • US2023936A - Oil level actuated engine speed controlling device : en
  • FR791468A - Method and device for connecting hydraulic lines : en fr
  • DE623034C - Pendulum device, especially for geophysical purposes : de en
  • DE623119C - Drive for a paddle slide : de en
  • US2023965A - Heat transfer : en
  • FR45807E - Improvements to the construction of wooden slats : en fr
  • US2023887A - Process of treating fresh concrete : en
  • US2023928A - Chrome yellow color : en
  • GB439497A - Improvements in and relating to fittings for use in facilitating the attachment of webbing to the frames of chairs or other pieces of furniture : en
  • GB439792A - Grid electrode for electron tubes : en
  • FR791660A - Chemical synthesis process in a gaseous medium : en fr
  • US2024086A - Process for producing a printing plate : en
  • DE623143C - Rotary felting machine : de en
  • DK51017C - Pipe assembly for angular sheet iron pipes. : da en
  • GB440101A - Process for the fine-grain development of silver halide emulsions : en
  • GB439617A - Improvements in and relating to the manufacture of coffee free from caffeine : en
  • GB439891A - Envelope fasteners and method of making and applying the same : en
  • GB439772A - An improved process for simultaneously washing light hydrocarbons and naphthalene out of gases : en
  • FR45818E - Improvements to wet gas purification : en fr
  • GB439598A - An improved insulating and incombustible product, and process for the manufacture ofthe same : en
  • DE623186C - Device for preventing malfunctions in remote control systems : de en
  • FR791425A - Process for obtaining sulfur trioxide : en fr
  • US2023613A - Piston skirt expander : en
  • US2023622A - Air conditioning apparatus : en
  • GB439557A - Improvements in and relating to artificial yarn and fabric made therefrom : en
  • DE623195C - Electric resistance furnace : de en
  • DK51001C - Centrifuge container with Sludge valves. : da en
  • DE623124C - Machine for bending bars or sheets in a zigzag shape : de en
  • FR791395A - Process for decalcifying aluminum-calcium solutions and mixtures : en fr
  • GB439690A - Improvements relating to draw-out type electric switchgear : en
  • DE623148C - Process for clarifying cloudy pectin extracts : de en
  • US2023850A - Window lock : en
  • DE622947C - Kitchen appliance for multiple uses in the form of a spoon : de en
  • DE623030C - Soot Collector : de en
  • US2023567A - Pipe coupling seal : en
  • US2024038A - Process for discharging dyeings on wool : en
  • US2023408A - Scissors measuring device : en
  • US2023747A - Ironing board construction : en
  • US2023514A - Commode : en
  • US2024017A - Radioreceiver : en
  • USD97785S - Design fob a buckle : en
  • FI16842A - Solar heated sauna : en fi
  • GB439651A - Improvements in and relating to containers for automatic matches : en
  • GB439673A - Improvements in or relating to devices for dispensing odours and the like : en
  • US2024041A - Method of increasing tensile properties of viscose rayon : en
  • GB439945A - Improvements relating to hydraulic power transmission apparatus : en
  • FR45829E - Azo dye printing process : en fr
  • FR791541A - Weighing indicator with direct reading and automatic printing of the weight on receipt : en fr
  • FR45822E - Tractor plow : en fr
  • FR791474A - Compositions for imparting a fold to animal fibers : en fr
  • GB439955A - Improvements relating to the automatic voltage regulation of electric generators : en
  • CH181434A - Process for the preparation of a mixture of ketones. : de en
  • FI16861A - Fjäderpåverkad låskolv : en fi
  • US2023663A - Slip : en
  • GB439514A - Improved rain-excluder for bottoms and sides of outside doors : en
  • CH181320A - Assembly device comprising at least one non-detachable expandable nut and method for its manufacture. : en fr
  • GB439629A - Improvements in and relating to shirts : en
  • FR791426A - Method and apparatus for supplying tobacco to cigarette making machines or tobacco packaging machines : en fr
  • FR791378A - Process for the production of optically active trans-pi-hydroxycamphor starting from optically active alpha-pi- (trans) -dihalogen-camphor : en fr
  • US2023931A - Method of mounting tubular electrodes inside the vessels of space discharge devices : en
  • FI16866A - Freight forwarding for automatic ventilation with fast pipe and traction sheaves for fastening to the front of the cartridge is free of charge : en fi
  • GB439711A - Improvements in or relating to the manufacture of carriers for the mechanical recording of optically reproducible vibration tracks : en
  • US2023402A - Portable vaporizing apparatus : en
  • US2023548A - Apparatus for graphically ascertaining the stability and trim of ships under assumed loads : en
  • US2024082A - Refrigerant bunkur for containers : en
  • DE622865C - Process for the production of printing paper : de en
  • FR791547A - Improvements in the manufacture of floor coverings and the like : en fr
  • FR791418A - Improvements to elevators for binders : en fr
  • US2023501A - Method and means for cutting webs : en
  • USD97792S - Design for a shoe : en
  • GB439771A - Improvements in or relating to television or like systems : en
  • FR791621A - Housing for electrolytic capacitor : en fr
  • US2023860A - Electrical measuring instrument : en
  • GB439888A - Improvements in or relating to arrangements comprising means sensitive to radiant energy, more particularly for preventing theft from a display device : en
  • GB439639A - Improvements in or relating to the treatment of raw silk : en
  • DE622922C - Hair clipper : de en
  • DE622970C - Expansion switch : de en
  • FR791508A - Improvements to rare gas filling bulbs : en fr
  • DE615504C - Device for moving the drawer : de en
  • FR791606A - New dryer system : en fr
  • GB439954A - Improvements in aeroplane wings : en
  • USD97820S - Design for a recipe box : en
  • US2023552A - Chemical apportioning method and apparatus : en
  • DE623005C - Device for measuring distances with the aid of echoes of electromagnetic pulses : de en
  • FI16829A - Bärare fän mäns underbenkläder : en fi
  • FR791561A - Auto Guard Signal Lock : en fr
  • GB439692A - Detachable nail-less shoe for horses and other beasts of burden : en
  • GB439696A - An internal combustion percussive tool : en
  • FR791371A - Improvements in mechanisms for applying small pieces of a covering material or forming ends to a continuously advancing web of wrapping material : en fr
  • FR791519A - Method to combat overheating of drum brakes : en fr
  • FR791657A - Bra and its manufacturing process : en fr
  • US2023434A - Brush : en
  • DE623132C - Arrangement for measuring the apparent consumption or the like in AC circuits : de en
  • FR791416A - Synchronous striking pendulums : en fr
  • FR791440A - Device for driving ribbon-shaped materials to be treated, in particular for machines for treating webs : en fr
  • DE623015C - Jet pipe for generating a full jet or an atomized jet : de en
  • FR791619A - Improvements to vehicle suspensions : en fr
  • GB439595A - Improvements in or relating to the spray drying of molasses and other viscous foodstuffs : en
  • GB439700A - Improvements in or relating to protectors for the toes of boot and shoe uppers : en
  • CH181215A - Round extending table. : de en
  • USD97769S - Design for a shoe : en
  • CH181412A - Switching device for the gearbox of motor vehicles. : de en
  • US2023890A - Production of metal carbamates : en
  • US2024074A - Universal electric sign system : en
  • USD97806S - Nventor : en
  • CH181374A - Burner for liquid fuel. : en fr
  • DE622951C - Tension meter for shaft conveyor ropes : de en
  • DE623020C - Device for turning the pressure on and off on high-speed cylinder presses : de en
  • US2023560A - Faucet or valve : en
  • US2023738A - Means for assembling and securing radiating fins on tubes : en
  • AT143817B - Tong-shaped holder for matches with two ignition heads. : de en
  • US2023653A - Directional power relay control means : en
  • US2023433A - Trough and raceway for electric wires and cables : en
  • CA354719A - Sewing machine : en fr
  • DE622859C - Adding machine : de en
  • FI16865A - Universalsikte för flygmaskinsspanare : en fi
  • FR791394A - Lightweight removable trailer : en fr
  • DK51006C - Electrical Fuse with Detector. : da en
  • DE623039C - Procedure for regulating the start and release of work in compressor delivery rooms and / or ancillary rooms in free-flight piston compressors : de en
  • FR791585A - Repeated use fusible plug : en fr
  • DE622897C - Electric light tubes with electrodes attached to the ends, in particular glow electrodes : de en
  • FR791530A - Device allowing an optimum aerodynamic profile in motor vehicles : en fr
  • GB439619A - Hood for drying hair : en
  • CH181192A - Rail joint connection. : de en
  • DE623116C - Process to increase the permeability of magnetizable alloys : de en
  • US2023948A - Stove door hinge : en
  • FR45846E - Refrigerated cabinet : en fr
  • FR791631A - Suspension sieve by helical springs and oscillating movement controlled by centrifugal force : en fr
  • US2023607A - Processing apparatus : en
  • US2023494A - Apparatus for the automatic grinding of crystals : en
  • US2023919A - Closure for containers : en
  • US2023930A - Flow packer : en
  • USD97801S - Design fob a service station : en
  • USD97809S - Design fob a kiltie tongue : en
  • GB439663A - Improvements in gas turbine plants of the continuous combustion type : en
  • DE623086C - Method and device for casting hollow metal bodies, in particular cast iron pipes, in a horizontal position : de en
  • DE623137C - Method and device for hardening glass : de en
  • US2023883A - Plural jet hair drier : en
  • DE623097C - Anti-skid device : de en
  • DK51014C - Safety gas tap. : da en
  • FR791544A - Process for obtaining edible peanut flours and, more generally, for obtaining edible oilseeds starting from edible oil seeds : en fr
  • FR791432A - Improvements to electric cables : en fr
  • FR791459A - Single-jet finned liquid meter : en fr
  • DE623070C - Drive device for tape-shaped recording media in sound film apparatus : de en
  • DE623189C - Fuse with powder or fine-grained extinguishing agent : de en
  • US2023791A - Lifting means for waffle irons and other baking devices : en
  • FR791583A - Improvements in television, telecinematography and the like systems and operating apparatus : en fr
  • USD97771S - Design for a textile fabric or : en
  • US2023594A - Rotary pump or compressor : en
  • US2023911A - Sweatband cutting apparatus : en
  • US2023466A - Pump : en
  • US2023828A - Drum operating mechanism for winches : en
  • US2023565A - Manufacture of musk xylene : en
  • GB439717A - Improvements in and relating to filters for the exhaust gases of internal combustion engines : en
  • DE623083C - Electric crucible salt bath furnace : de en
  • US2023531A - Apparatus for feeding sheets to folding machines : en
  • FR791404A - Automatic machine for checking the weight of packages : en fr
  • GB439558A - Stamps or tickets for advertising, welfare and like purposes : en
  • GB439775A - A machine for fitting lids to tins and like containers : en
  • FR791362A - Process for the production of films and similar flat products using cellulose formate : en fr
  • AT143950B - Cooling arrangement for metal vapor apparatus, in particular mercury vapor glass rectifiers. : de en
  • FR791462A - Apparatus for stretching and truncating glass rods or tubes : en fr
  • GB439953A - Improvements relating to clockwork driven apparatus for operating electric switches : en
  • US2023580A - Foot protector : en
  • US2023641A - Tennis racket vise : en
  • US2023666A - Curtain operating mechanism : en
  • USD97772S - Design fob a textile fabric : en
  • US2023611A - Pulley or idler : en
  • US2024036A - Process of preparing the alkali and alkaline earth salts of sugar phosphoric acid esters : en
  • FI16849A - Sughuv : en fi
  • GB439508A - Process for the manufacture of diphenylmethane derivatives : en
  • US2023999A - Manufacture of starch : en
  • AT143876B - Procedure for differentiating between positive and negative measuring ranges in telemetry systems operating according to the pulse frequency method. : de en
  • CH181425A - Brake accelerator on air brakes. : de en
  • CH181284A - Process for registering speed and time as a function of the distance traveled by vehicles, as well as registering speedometers for carrying out the process. : de en
  • US2023507A - Typewriting and like machine : en
  • USRE19784E - Aerial system : en
  • US2023673A - Tennis ball cover : en
  • US2024012A - Selective control system and apparatus : en
  • CH181204A - Safety bolts for connecting pipe parts, especially for hydrants etc. : de en
  • US2023483A - Mechanical shovel for scotch hearths : en
  • CA354669A - Weak acid removal from gas : en fr
  • US2023977A - Bushing structure : en
  • US2023998A - Copper wire treatment for enamelling : en
  • AT143928B - Device for the evaporation of heavy hydrocarbons for the supply of internal combustion engines. : de en
  • FR45833E - Stroboscopic device, more particularly intended for the calibration of electricity meters or other devices : en fr
  • FR791618A - Oxide cathode exciter : en fr
  • CH181272A - Calendar to be set monthly. : de en
  • AT143847B - Process for the production of antihalation and filter layers. : de en
  • AU2273135A - An improved box : en
  • US2023574A - Counter actuating mechanism : en
  • US2023659A - Wind motor : en
  • DE622981C - Contactor control for alternately switching on two electric motors in particular : de en
  • CA354727A - Emulsifiable hydrocarbon preparation : en fr
  • AU2036534A - Improvements in machines for seaming onthe lids of cans in chambers subjected toa vacuum or charged with inert gases : en
  • US2024023A - Dispensing device : en
  • DE623004C - Core microphone : de en
  • GB439499A - Improvements in and relating to electric motors : en
  • CA354605A - Paper fastener : en fr
  • CA354705A - Separable fastener : en fr
  • FR791471A - Push Button Shutter Release for Photographic Lens : en fr
  • GB439659A - Improvements in electric measuring instruments : en
  • US2023921A - Counter actuating device : en
  • US2023519A - Burial tablet : en
  • US2024125A - Machine gun : en
  • CH181354A - Device for remote switching of electricity consumers. : de en
  • CH181448A - Process for the production of a new vat dye of the anthraquinone series. : de en
  • DE622955C - Emergency brake for motor vehicles : de en
  • DE623071C - Carburetor regulator for fire brigade ladders with power drive : de en
  • FR791480A - Improvements to parachutes : en fr
  • FR791642A - Coin selector and checker mechanism for vending machines : en fr
  • FR791646A - Hard-lined metal tubes : en fr
  • FR791680A - Method and apparatus for extinguishing fires, inflating tires, and other uses : en fr
  • GB439719A - Means for fastening the metal bands that are used for securing bales of jute, wool and the like : en
  • AT143941B - Beer dispenser. : de en
  • AT143953B - Device for damping the groove transverse flow in commutator machines by means of damper plates. : de en
  • CH181405A - Containers made of leather. : de en
  • CA354697A - Glass article forming machine : en fr
  • DE622998C - Device for exchanging a group of wound bobbins for empty bobbins on Koetz winding machines : de en
  • DK51019C - Device for rotating cooling drums. : da en
  • FR791393A - Improvements to grid supports for discharge lamps : en fr
  • GB439750A - Improvements in or relating to electric starting systems for internal combustion engines : en
  • FR45804E - Process for bleaching textile materials dyed with azo colors : en fr
  • US2023469A - Nose pad for eyeglasses : en
  • GB439591A - Improvements relating to stuffing boxes : en
  • GB439721A - Improvements in or relating to charts for sight testing : en
  • GB439773A - Improvements in steam and gas turbines : en
  • DE623026C - Method and device for connecting wire light bodies of electric light bulbs to power supply wires : de en
  • FR791687A - Cleaning apparatus, in particular for pictures, windows or the like : en fr
  • FR45830E - Zig-zag sewing machine : en fr
  • CH181575A - Clamping switch mechanism for driving gas meters. : de en
  • US2023711A - Material containing parchmentized fiber and method of producing the same : en
  • US2023789A - Cushion axle : en
  • US2023797A - Antishimmy and wear compensator : en
  • CH181409A - Ignition switch attached to a steering column lock. : de en
  • CA354641A - Block and tile manufacture : en fr
  • US2023450A - Container : en
  • US2024117A - Method of treating and purifying motor fuels : en
  • AT143858B - Suspender belt with brassiere. : de en
  • AT143983B - Washing-up attachment. : de en
  • CA354726A - Heater burner : en fr
  • CA354651A - Cellulose ether composition : en fr
  • CH181335A - Gap seal on centrifugal pumps. : de en
  • US2023989A - Building construction : en
  • AT143853B - Device on motorcycles to prevent unauthorized use of the same. : de en
  • AT143861B - Filling and filling device with a locking device for containers (barrels or the like). : de en
  • CH181182A - Perforated cladding and decorative sheet metal. : de en
  • CA354706A - Vacuum breaker : en fr
  • US2023966A - Method and means for sinking foundation columns : en
  • CH181180A - Process for the manufacture of pesticides. : de en
  • AU2171935A - Improvement in diaphragm control for photographic apparatus : en
  • CA354734A - Steering pin bearing : en fr
  • CH181447A - Process for the preparation of a monoazo dye. : de en
  • AT143827B - Tube closure. : de en
  • AU2175935A - Improvements in or relating to wrappings for block shape&1 an 'dlcz : en
  • AU2220135A - Improvements in twine, paper and like holders : en
  • DE623166C - Folding cylinder with spring-loaded collecting cylinder : de en
  • US2023682A - Method of closing bags : en
  • DE623107C - Reverse cold rolling machine : de en
  • US2023410A - Lifting dolly : en
  • US2023804A - Display stand : en
  • US2023946A - Toe stretching mechanism for hosiery inspection devices : en
  • US2024028A - Diving device : en
  • CA354733A - Railway car door : en fr
  • CH181258A - Process for the manufacture of a comminuted product containing calcium cyanamide. : de en
  • US2023496A - Method for cleaning oil-covered surfaces : en
  • US2023835A - Electrified stock hurdle : en
  • CH181336A - Gear pump, especially for rayon spinning. : de en
  • DE623099C - Pedal crank assembly for bicycles : de en
  • GB439885A - Improvements in the manufacture and production of dyestuffs of the anthraquinone series : en
  • FR791681A - Light signal, particularly applicable to railways : en fr
  • US2023854A - Means for cleaning dispensing systems : en
  • USRE19785E - Hearth for oil burning furnaces : en
  • CA354614A - Material separating apparatus : en fr
  • US2023505A - Synchronous device : en
  • US2023781A - Machine for forming glass lens blanks : en
  • DE622953C - Automatic electrical switching device for gear change transmissions, especially for motor vehicles : de en
  • FR45813E - Rotary Distributor Valveless Engine System : en fr
  • FR791569A - Lighting apparatus giving, by synthesis, a white light, close to solar light, by corrections made to radiations, of characterized colors, metal vapor lamps : en fr
  • FR791595A - Particularly sensitive acoustic receiver : en fr
  • US2023680A - Signal control mechanism : en
  • US2023836A - Apparatus for handling and dispensing loose milk : en
  • US2023457A - Interchangeable button : en
  • US2023634A - Bifuel internal combustion engine : en
  • US2023944A - Movable weir : en
  • AT143919B - Device for regulating the speed of injection internal combustion engines. : de en
  • US2023435A - Refrigeration : en
  • US2023947A - Radioanalyzer : en
  • AU2240235A - Improved process forthe concentration of ammoniacal liquor : en
  • US2023431A - Machine for conveying cans and the like : en
  • US2023964A - Paper hanging : en
  • US2023994A - Process for breaking petroleum emulsions : en
  • AT143939B - Telephone switching device for several subscriber stations on a common line. : de en
  • CA354690A - Eyelash curler : en fr
  • DE622924C - Control station for pneumatic tube systems that works with light-sensitive cells : de en
  • DE623075C - Process for the production of colloidal solutions of metals, metal compounds and metalloids in glycol or polyglycerine : de en
  • US2023429A - Chiropractic table : en
  • CH181360A - Surge arrester with spark gap. : de en
  • US2023589A - Switching mechanism : en
  • US2023802A - Loose leaf book : en
  • US2023979A - Process for breaking petroleum emulsions : en
  • US2023758A - Wheel lock and easy starting device for vehicles : en
  • US2024118A - End lapping machine : en
  • US2023780A - Modulation : en
  • US2023985A - Thermal insulation : en
  • US2024008A - Manufacture of antimony trifluoride : en
  • US2023664A - Sliding door construction : en
  • US2023996A - Process for breaking petroleum emulsions : en
  • US2024094A - Garment : en
  • US2024060A - Electric current control device : en
  • CH181223A - Process for filling and storing sparkling beverages in bottles. : de en
  • CH181380A - Process for the production of denture prostheses. : de en
  • CH181385A - Process for the production of solid medicaments, disinfectants or cosmetic agents. : de en
  • US2023612A - Brassiere : en
  • FR791640A - Method and apparatus for the preparation of a soluble food extract of brewer's yeast : en fr
  • DE623046C - Milling machine with a counter-holder unit, which is slidably mounted in the headstock and consists of two counter-holder arms running parallel to one another : de en
  • FR791451A - Safety installation for trains with speed control : en fr
  • US2023555A - Liquid fuse : en
  • US2023617A - Lighter : en
  • CH181411A - Device for heating the windshields of vehicles. : de en
  • DE622898C - Method of manufacturing an electric heater : de en
  • DE623010C - Process for improving lubricating oils : de en
  • US2023537A - Measuring and dispensing device : en
  • US2023878A - Circuit controlling arrangement : en
  • CH181347A - Heat exchanger. : de en
  • US2023590A - Azo dye and method for its preparation : en
  • AT143821B - Safety wheel for motor vehicles. : de en
  • AT143839B - Two-part tool holder, especially for thread cutting steels. : de en
  • US2024007A - Method of producing mat finish on hardened rolls : en
  • DE622969C - Street pavement made of set stones with a bituminous wear layer : de en
  • FR791573A - : fr
  • US2023867A - Vacuum cleaner : en
  • DE623112C - Contact clamp for connecting electrical lines for installation equipment : de en
  • CH181194A - Method and device for compacting soil, in particular for the production of all types of roadways. : de en
  • US2023556A - Frequency selective communication system : en
  • US2023667A - Truck : en
  • US2023875A - Electric heating element : en
  • AT143841B - Method for sizing rayon. : de en
  • AT143883B - Electrolytic capacitor for higher voltages. : de en
  • GB439882A - Improvements in servo brake mechanism for vehicles and the like controlled by fluid pressure : en
  • US2023954A - Electric lighting system for automobiles : en
  • US2023480A - Earth moving apparatus : en
  • US2023532A - Nose band : en
  • US2023730A - Grave filler : en
  • US2023971A - Transportation means : en
  • AT143974B - Lock with a device to be operated separately from the door handle for locking the same. : de en
  • US2023908A - Method of making composite ferrous articles : en
  • US2023638A - Method for producing sharp corners in metal stock : en
  • US2023719A - Instrument panel for automobiles : en
  • US2023787A - Motor vehicle door : en
  • DE623174C - Device built like a counter for the unambiguous replication of the frequency of an alternating current through the speed of the rotating part of the measuring mechanism : de en
  • GB439566A - Improvements in or relating to carriers, cartons or the like : en
  • GB439707A - Improvements relating to trouser garments : en
  • US2023786A - Water heating unit : en
  • US2024002A - Radio tuning and selectivity control : en
  • US2024092A - Mold : en
  • US2023587A - Rotor mounting for meters : en
  • US2024063A - Automatic gate : en
  • US2023800A - Shock-resisting concrete : en
  • CH181209A - Down comforter. : de en
  • US2023418A - Control for internal combustion engines : en
  • AT143938B - Contact relay for the automatic temporary closure of circuits. : de en
  • US2023502A - Tension device : en
  • US2023506A - Class "b" audio amplifier : en
  • US2023628A - Method of and apparatus for manufacturing electric lamps : en
  • US2024034A - Game : en
  • AT143885B - Process for the production of endless metal cloths or metal wire mesh, in particular for paper and cellulose manufacture. : de en
  • AU2124435A - Impact tools : en
  • US2023523A - Spectacles : en
  • CA354679A - Governor apparatus : en fr
  • CH181207A - Process for the production of non-toxic city gas for the public gas supply. : de en
  • US2023516A - Toy vehicle : en
  • US2023554A - Counterweight mechanism for oil well pumps : en
  • DE622892C - Splice point for telecommunication leader groups : de en
  • DE622937C - Process for purifying the corpus luteum hormone : de en
  • CH181203A - Machine for creating grooves in the manufacture of stoneware pipes. : de en
  • CH181235A - Process for the production of a preparation for making or loosening cellulose or protein of substances containing low swellability swellable. : de en
  • FR791670A - Fastening device for passengers or flight crew : en fr
  • DE623012C - Knapsack made from a folded sheet of canvas : de en
  • DE623021C - Dump vessel for dump trucks : de en
  • USD97781S - Design fob a clock case : en
  • USD97808S - Design fob a velocipede base plate : en
  • FI16862A - Rakmaskin : en fi
  • CH181322A - Torsional vibration damper. : de en
  • AT143972B - Mounting bracket. : de en
  • FI16836A - Anordning vid handlampor : en fi
  • AT143849B - Ski. : de en
  • AT143961B - Electric headlight with built-in switch for motorcycles. : de en
  • CA354689A - Stick handling mechanism : en fr
  • FI16851A - Fertilization conditions and anchorage for exothermic self-evolution by means of heat exchanger and gas in rotary circuits : en fi
  • FR45824E - Process for producing dyes for indigoids vats : en fr
  • GB440098A - Improvements in or relating to the manufacture of moulded sugar bodies : en
  • CH181319A - Pocket containers, in particular for cigarettes or cigars. : de en
  • US2023889A - Intermittent pedal drive : en
  • CH181211A - Sofa bed. : en fr
  • CH181421A - Apparatus supports for vehicles. : de en
  • DE623091C - Spring lid lighter : de en
  • AU2036134A - Improvements in ashtrays andthe like : en
  • US2023826A - Safety milk bottle container : en
  • AT143825B - Electric radiator. : de en
  • CH181442A - Process for the production of a highly viscous, weakly acidic solution of a high-molecular conversion product of casein. : de en
  • AU2034834A - Improvements in or relating tothe manufacture of heels for shoes andthe like : en
  • AT143968B - Method for generating a sawtooth-shaped current curve. : de en
  • AT143826B - Cooker with electrically heated hotplates. : de en
  • AT143902B - Piston fountain pen. : de en
  • AT143990B - Door that can be opened to the right or left. : de en
  • CA354682A - Printing device : en fr
  • AT143937B - Device for instantaneous activation of electrical circuit breakers. : de en
  • AU2187435A - Improvements in or relating to drycleaning or washing apparatus : en
  • CH181214A - Metal fittings. : de en
  • DE623102C - Replica of a human, animal or other figure : de en
  • DE623118C - Process for the production of colored structures, in particular threads and films made from viscose : de en
  • US2023932A - Ball washer : en
  • GB439894A - Improvements in or relating to braking systems for motor vehicles : en
  • FR45844E - Footwear making improvements : en fr
  • GB439600A - Improvements in or relating to the earthing of tumbler switches : en
  • GB439621A - A process for improving mineral lubricating oils : en
  • AU2264835A - Improvements in and relating to syringes : en
  • CH181518A - Laces for shoes and the like. : de en
  • GB439675A - Improvements in the dyeing or printing of animal fibres : en
  • US2023407A - Stop mechanism : en
  • US2023421A - Flexible power transmission device : en
  • US2023710A - Paint spraying device : en
  • US2023811A - Lens polishing machine : en
  • US2024079A - Apparatus for drying paper in a continuous web : en
  • GB439662A - Clutch : en
  • DE622977C - Office printing machine equipped with an automatic selection device for standing text and changing printing plates : de en
  • DE623150C - Process for the production of pulp from wood and other pulp-containing fibers : de en
  • US2023728A - Hockey stick : en
  • FR791515A - Mobile arm machine, for all usable applications, in particular for sheet metal work, as a mixer, kneader, grinder, kneader or other : en fr
  • US2023862A - File box : en
  • AT143868B - Indirectly heated hot cathode for discharge tubes. : de en
  • AT143899B - Hair cap. : de en
  • FR791457A - Improvements to the elastic carcasses of seats, cushions, box springs, or other : en fr
  • FR791558A - Periodic action absorption refrigeration machine : en fr
  • CH181279A - Percussion fuze for projectile. : en fr
  • FR45838E - Concrete pounding device : en fr
  • GB439783A - Improvements in steam or gas turbines : en
  • FR791525A - Process for automatically varying in flight the incidence of propeller blades, and propellers constructed by applying this process : en fr
  • CH181250A - Process for the production of a new dye. : de en
  • CH181282A - Direction signs, in particular for aircraft. : de en
  • US2023698A - Time delay mechanism : en
  • DE623073C - Guide role for gas container : de en
  • GB440190A - Process of improving natural resins and gums by distillation : en
  • GB439638A - Improvements in or relating to drying plants : en
  • GB439550A - Improvements in and relating to direct current motor drives : en
  • GB440028A - Improvements in and relating to the speed control of alternating current motors : en
  • GB439791A - Improvements in or relating to concrete roads or similar concrete constructions : en
  • GB439588A - Improvements in means for fixing pillars or stanchions : en
  • FR791470A - Improved support device for wires, ropes, cords, wire, flying lines and the like : en fr
  • AT143929B - High voltage electrical switchgear. : de en
  • US2023579A - Rotation control : en
  • US2023684A - Variable pitch propeller for aircraft : en
  • FR791403A - Improvement in the turntables or cylinders of typewriters : en fr
  • GB439579A - Improvements in or relating to phototelegraphic, telecinematographic television and like systems : en
  • GB439613A - Process for the production of radioactive porous bodies : en
  • FR791533A - Towel rack improvements : en fr
  • FR791494A - Apparatus for compressing air by means of pressurized water : en fr
  • FR791535A - Liquid sprayer for agricultural and industrial uses : en fr
  • US2023539A - Roof pitch indicator : en
  • GB439687A - Improvements in or relating to furnace installations : en
  • US2024078A - Tobacco flue protector : en
  • CH181267A - Process for the production of laterally correct partial color separations after lenticular film recordings. : de en
  • DE623051C - Screw press for moist, e.g. B. oil-containing pressed material : de en
  • FR791450A - Improvements to iron-chromium alloys : en fr
  • GB439634A - Treatment of water-soluble compounds : en
  • DE623133C - Electric discharge lamp containing vapor of semi-volatile metals with a covering surrounding it : de en
  • FI16845A - Rubber mattress : en fi
  • GB439583A - Improvements in or relating to the separation of ammonium salts from their mixtures with other salts : en
  • GB439602A - Improvements in and relating to remote control apparatus for operating valves : en
  • GB439614A - Improvements in or relating to railway vehicle bogies : en
  • DE622844C - Device for cleaning fumes using powdery or fine-grained adsorbents : de en
  • FR791531A - Improvements to engine ignition systems : en fr
  • FR791538A - Hydraulic brake for rowing machine : en fr
  • US2024005A - Dispenser for catchup and the like : en
  • US2024124A - Plastic composition and doll's head carrying same : en
  • US2023910A - Filter leaf structure : en
  • US2024027A - Fumigant : en
  • DE623041C - Spark plug : de en
  • US2023734A - Folder for printing machines : en
  • US2023488A - Apparatus for determining the rate : en
  • US2023746A - Rotating drawing off basins attached to glass furnaces : en
  • GB439669A - Improvements in and relating to machines for fabricating radiator cores for use withinternal combustion engines : en
  • FI16847A - Anordning vid varmvattenpannor och andra dylika rekuperativa värmeapparater : en fi
  • US2024071A - Bolt : en
  • US2023648A - Machine for manufacturing zip fasteners : en
  • US2024026A - Recovering lithium compounds : en
  • FR791463A - Improvements to refrigeration machines : en fr
  • FR791639A - Additives for use in the textile industry : en fr
  • US2023409A - Scissor rule : en
  • FR791479A - Improvements made to buckles or the like to ensure momentary fixation between at least two parts, in particular for belts or other parachute fixing elements : en fr
  • AU2167035A - Improvement in wave signaling system : en
  • CH181317A - Process for coating porous supports with amine aldehyde series resins. : de en
  • DE622989C - Device for generating stroboscopic light effects for advertising purposes on a rotating body driven by an electric motor : de en
  • US2023491A - Cotton picking machine : en
  • US2023986A - Oil reclaimer : en
  • FR791357A - Injector pump for combustion engines : en fr
  • CA354624A - Acid and waterproof cement : en fr
  • CH181249A - Process for the preparation of an azo dye. : de en
  • US2023643A - Brake tester : en
  • US2024114A - Resilient railway track construction : en
  • CH181356A - Switch with arc extinguishing by compressed gas. : de en
  • FR791620A - Bracelet containing purses, eyeshadows and beauty products : en fr
  • FI16867A - This is done : en fi
  • GB439684A - Improvements in and relating to filters : en
  • DE623115C - High voltage transformer, especially dry voltage transducer, with high voltage winding in layers : de en
  • DE623157C - Gluing press for footwear : de en
  • US2023520A - Hosiery : en
  • GB439686A - Improvements in or relating to recuperators for furnaces : en
  • GB439564A - Improvements in or relating to the treatment of dough in the manufacture of biscuitsand the like : en
  • GB439702A - Improvements relating to bicycle handlebars : en
  • DE623169C - Process for the production of hydrides : de en
  • US2023848A - Fire extinguisher : en
  • GB439525A - Improvements in the manufacture of bricks or the like : en
  • DE623109C - Compression refrigeration machine : de en
  • DE622905C - Knock nozzle for vacuum cleaner : de en
  • GB439645A - Improvements in and relating to windshield devices for cockpits of aircraft or for equivalent spaces in other vehicles : en
  • US2023665A - Method and means for continuous vulcanizing of rubber goods : en
  • US2023784A - Waterproof blasting explosive assembly : en
  • DK51004C - Fruit Preservation Procedure. : da en
  • GB439536A - Improvements relating to wood joints : en
  • AT143900B - Bag handle that opens on one side. : de en
  • US2023917A - Refrigerator gasket : en
  • US2024052A - Car refrigeration : en
  • AT143832B - Collar. : de en
  • CH181368A - Electric discharge tube. : de en
  • US2023808A - Shielded cemented type insulator : en
  • FR791482A - Race counter mechanism : en fr
  • DE622979C - Supply terminal for contact wires : de en
  • FR791438A - Rotary duplicator with stack of sheets laying on a support table : en fr
  • FR791691A - Improvement in phonograph announcement mechanisms : en fr
  • US2023538A - Railway crossing barrier : en
  • US2023547A - Manufacture of shoes : en
  • US2023771A - Cylinder pump for windmills : en
  • GB439596A - Improvements in or relating to typewriters, particularly typebar typewriters : en
  • GB439740A - Improvements in centrifugal apparatus for separating and collecting dust or other solid particles from air and gases : en
  • DE623179C - Diverter valve for regenerative composite coke ovens : de en
  • US2023892A - Method of eliminating knocking in internal combustion engines : en
  • US2023581A - Sound picture projector : en
  • FR791690A - Process for preparing acid sulfates of high molecular weight alcohols : en fr
  • FR791388A - Manufacturing process for color sound films : en fr
  • FR791627A - Improvements in business registers : en fr
  • GB439653A - Improvements in and relating to electric circuit-breakers : en
  • US2023838A - Combined distance meter and view finder : en
  • US2023870A - Knock-down table : en
  • DE623173C - Door pusher knee grip made of synthetic resin with a continuous pusher pin : de en
  • FR791487A - Automatic lifting device of the harvester apron : en fr
  • FR791505A - Improvement in light units for signage : en fr
  • FR791510A - Adjustable aerodynamic protection device : en fr
  • GB439526A - Improvements in bottom-casting hollow ingots : en
  • CH181371A - Arrangement for the supply and regenerative braking of a DC machine unit by means of a grid-controlled discharge vessel. : de en
  • GB439657A - Improvements in collapsible tubes with hermetic closures : en
  • CA354663A - Laminated material : en fr
  • FR791647A - Process for ensuring the waterproofing and consolidation of soils containing clay layers without modifying the natural state of equilibrium of these layers : en fr
  • GB439742A - Improvements relating to tea withering : en
  • US2023651A - Vertical key draft yoke for railway cars : en
  • DE622778C - Movable viewfinder shaft : de en
  • FR791437A - Loading device for vehicles, particularly for motor trucks : en fr
  • FR791458A - Improvements to electrical signaling systems : en fr
  • FR791594A - Solid electrical insulator, and its manufacturing process : en fr
  • FR791512A - Radiotelegraph and radiotelephone transmission device : en fr
  • DE623188C - Line protection circuit based on the comparison of the current directions or energy directions at the line ends : de en
  • USD97824S - Design for a bottle : en
  • CA354672A - Illuminating device : en fr
  • CH181454A - Process for the production of light metals by electrolysis of molten metal salts. : de en
  • FR791603A - Device eliminating the overturning of records in automatic phonographs : en fr
  • FR791668A - Interference eliminator device for radio receivers : en fr
  • FR791410A - Improvements in the means to make various products and devices radioactive : en fr
  • FR791464A - Combination electric heater : en fr
  • GB439546A - Improvements in or relating to the mounting of carbons of electric arc lamps : en
  • DE617384C - Device to prevent ash backflow from rotating grate gas generators : de en
  • FR791467A - Ringing toy on the telephone set : en fr
  • FI16830A - For the purposes of this Regulation, the provisions of this Regulation shall apply without prejudice to the provisions of this Regulation. : en fi
  • FR791613A - Multiple filament type electric lamps improvements : en fr
  • FI16864A - A method of making a midsole and a loose sole and a midsole and a loose sole made therefrom : en fi
  • FR791622A - Curve Milling Machine : en fr
  • GB439608A - Improvements in or relating to radio energy reflectors : en
  • FR791449A - Device for protecting alternating current installations against the dangers arising from earthing : en fr
  • GB439515A - Improvements in, or relating to, electric fires : en
  • GB439764A - Improvements in or relating to the production of concentrated lower aliphatic acids : en
  • DE622949C - Process to process high-melting bitumen, which is not miscible with mineral oils and paraffinic petroleum residues, with these to a high-melting, plastic to ointment-like, permanently homogeneous mass : de en
  • US2023869A - Work supports for machine tools : en
  • US2023871A - Motor fuel : en
  • US2023459A - Chemical feeder and process of manufacture : en
  • US2023935A - Band-spreading tuning device : en
  • FR791507A - Device for counting numerous and identical parts : en fr
  • GB439500A - Improvements in contact pile-ups for electrical apparatus : en
  • GB439631A - Improvements in or relating to the production of photographic sound records : en
  • DE622966C - Process for the conversion of isovanillin into 4-oxy-3-ethoxybenzaldehyde : de en
  • US2023550A - Coupler : en
  • US2023709A - Dishwashing machine : en
  • US2023671A - Shoe construction : en
  • USD97793S - Design for a shoe : en
  • AT143918B - Friction bodies, in particular for braking and clutch purposes, and methods for producing the same. : de en
  • GB439599A - An improved carving fork : en
  • CA354725A - Slicing apparatus : en fr
  • CH181237A - Process for the preservation of fresh fruit, vegetable and other vegetable juices. : de en
  • CH181456A - Electric discharge device. : de en
  • FR791669A - Carry handle box : en fr
  • US2023515A - Thread feeding mechanism : en
  • US2023839A - Totalizator ticket issuing machine : en
  • USD97759S - Design for a fish bowl : en
  • US2023906A - Air tram system of transportation : en
  • DE623194C - Process for the development of alkaline earth metals in electrical discharge vessels : de en
  • US2024095A - Halogenated acyclic hydrocarbon containing fluorine : en
  • FR45832E - Device for adjusting the ignition moment in discharge vessels : en fr
  • FR791392A - Device for collecting dust produced by the foils of hammers and drills in mines and quarries : en fr
  • DE623002C - Control device for an internal combustion engine for vehicles coupled to an electric power generator : de en
  • US2023397A - Dispensing can opener : en
  • US2023572A - Method for effecting by pressure the face grinding of hard material surfaces : en
  • US2023718A - Antifriction bearing : en
  • US2023882A - Knitted fabric : en
  • DE618175C - For the storage of bedding, clothes or the like. Serving accessory part for bedsteads : de en
  • CA354739A - Roller bearing : en fr
  • CH181289A - Three-quarter plate watch. : de en
  • US2023443A - Garment hanger : en
  • US2023563A - Electrolysis apparatus : en
  • US2023763A - Paste tube clamp : en
  • US2023779A - Multiple spindle metal working apparatus : en
  • US2023958A - Carbon copying unit : en
  • USD97752S - Design for a cravat holder : en
  • GB439785A - Frames for motor-vehicles : en
  • DE623103C - Dump level indicator for bunker : de en
  • FR791577A - Fixed vacuum cleaner for chimney flue : en fr
  • FR791602A - Camping utensil : en fr
  • GB439734A - Method and arrangement for wireless television transmission : en
  • FI16860A - The package is equipped with a motorized bicycle or a motor : en fi
  • CA354652A - Radio telephone system : en fr
  • CA354737A - Grain measuring apparatus : en fr
  • US2023650A - Shock absorber : en
  • FR791693A - Device for binding single sheets : en fr
  • FR791664A - Automatic and adjustable tensioner support for belts, applicable to individual machine control : en fr
  • CH181353A - Cable with impregnated insulation for laying on sloping ground. : de en
  • DE623175C - Siren powered by an electric motor : de en
  • US2024061A - Automatic signaling apparatus : en
  • USD97816S - Design fok an automobile seat slip : en
  • CA354596A - Paint striping device : en fr
  • AU1966734A - Improvements in or relating to electron discharge devices such asthermionic valves : en
  • AT143807B - Coil for high frequency induction furnaces. : de en
  • USD97818S - Design fob an indicating instrument : en
  • US2023863A - Heating apparatus for doughnut machines and the like : en
  • CA354644A - Synchronous machine starting method : en fr
  • CA354645A - Fuse carrier : en fr
  • US2023405A - Slush pump : en
  • AU2206135A - Improvements relating tothe manufacture of footwear : en
  • AT143988B - Platinum-hydrogen electrode and measuring device, in particular for continuous pH measurement of liquids. : de en
  • CA10976S - Tire : en
  • CH181234A - Shoe last : de en
  • CH181427A - Method for the transmission of more than one signal aspect on a moving train. : de en
  • US2023424A - Metallurgy : en
  • US2023463A - Method and apparatus for decorating surfaces : en
  • US2023759A - Lawn mower sharpener : en
  • US2023633A - Circular knitting machine : en
  • US2023458A - Muted automatic volume control : en
  • US2023940A - Thermostatic device : en
  • AT143895B - Redesign of self-spinning or twisting machines in ring spinning or ring twisting machines. : de en
  • US2023739A - Radiator : en
  • US2024059A - Orifice meter : en
  • US2023997A - Process for breaking petroleum emulsions : en
  • AU2171435A - Improvements in or relating to electric heaters : en
  • CH181178A - Vibrating screen. : en fr
  • CH181314A - Grinding machine with a grinding wheel covered by a housing. : de en
  • AT143980B - Rinsing device with a drain valve at the bottom of the rinsing container. : de en
  • US2023700A - Wagon : en
  • US2024119A - Treating oil wells : en
  • CA354597A - Hair waving device : en fr
  • CA354616A - Non-structural activated carbon : en fr
  • DE1356964U - : de en
  • FR791466A - Paper bag : en fr
  • CH181260A - Form of paper-value. : en fr
  • CH181450A - Process for the preparation of a dye of the anthraquinone series. : de en
  • US2023943A - Shock absorber for spring suspended road vehicles : en
  • DE623183C - Process for the production of snow-like ice crystals : de en
  • DE622967C - Cooling machine with a condenser equipped for both air cooling and water cooling : de en
  • CH181345A - Electric flywheel machine. : de en
  • USD97762S - Design for a shoe or similar article : en
  • AU2244535A - Dry gas-holder : en
  • USD97773S - Design foe a textile fabric : en
  • DE623178C - Conveyor device designed as a recovery machine : de en
  • US2023489A - Helix combination wood-carving attachment : en
  • AT143810B - Process for cleaning luminescent and coke oven gases from naphthalene. : de en
  • AT143896B - Device for fixing the log on the table of a veneer knife machine. : de en
  • CH181255A - Process for the production of white leather. : de en
  • CH181373A - Fancy lamp. : en fr
  • CH181311A - Method to combat the camber of films for moving images and sound. : en fr
  • DK51016C - Machine for Making >> Stumps << (Cigars) in a Continuous String. : da en
  • US2023635A - Railway braking apparatus : en
  • US2023792A - Golf bag : en
  • US2024010A - Food container : en
  • USD97784S - Design for a buckle : en
  • CA354590A - Ski clamp : en fr
  • CH181394A - Device designed to eliminate noise, interference and fading when receiving T.S.F. : en fr
  • CH181361A - Surge arresters. : de en
  • US2023490A - System for supplying, controlling, and measuring soil moisture : en
  • US2023674A - Brake : en
  • DE623057C - Vehicle brake : de en
  • US2023688A - Road covering surface and the like : en
  • US2023859A - Process of and apparatus for producing printing forms : en
  • US2023478A - Process for treating dough products and the like : en
  • CA354610A - Illuminated instrument dial : en fr
  • DE623024C - Device for recording electrical periodic processes in polar coordinates : de en
  • FR791644A - Process for the treatment of unsaturated halides : en fr
  • AT143921B - Hydraulic machine and device for power transmission using this machine. : de en
  • CA354601A - Hose supporter : en fr
  • CA354681A - Printing mechanism : en fr
  • AT143984B - Clock for time and date. : de en
  • CH181185A - Harmony. : de en
  • CA354684A - Electric card counter : en fr
  • DE623117C - Method and device for balancing a compressed material consisting of isolated magnetizable particles for magnetic cores and magnetic mass cores : de en
  • FR45802E - Cutter bar for mower : en fr
  • CA354662A - Chlorinated rubber : en fr
  • CH181389A - Control process for metal parts. : en fr
  • AU2144735A - Improvement in photoelectric cell and manufacturing processes therefor : en
  • DE622974C - Control for hydraulically driven machine tools, especially drilling machines : de en
  • DE623101C - Grinding machine with grinding wheel penetrating the workbench : de en
  • US2023541A - Electric lamp bracket : en
  • US2024068A - Panel supporting strip : en
  • USD97794S - Design for a shoe : en
  • US2024013A - Manufacture of printed corrugated wrappers : en
  • US2023658A - Doughnut mechanism and the like : en
  • US2023576A - Tire tread splitting apparatus : en
  • DE623038C - Procedure for regulating the start and release of work in compressor delivery rooms and / or ancillary rooms in free-flight piston compressors : de en
  • DE623040C - Device for shutting down internal combustion engines when there is a lack of oil : de en
  • FR791607A - Exhalation valve for protective devices : en fr
  • US2023856A - Generator driving axle : en
  • US2024106A - Preparation of fluorescent and pour point reducing bodies from petroleum residue : en
  • CA354656A - Polyglycol ester and ether : en fr
  • AU2035834A - Barrel cleaning cartridge for firearms : en
  • DE623059C - Lubricating device designed as an independent additional device for wagon axles : de en
  • GB439622A - Improvements relating to roundabouts : en
  • US2023941A - Lock with demountable cores : en
  • US2023441A - Shoe heel : en
  • AT143893B - Billiards. : de en
  • DE623027C - Device for increasing the resilience of metallic X-ray tubes with an anode that can be rotated relative to the housing : de en
  • US2024087A - Printing plate : en
  • DE623007C - Protection device for electrical machines : de en
  • DE623200C - Children's bed with foldable side part of the lattice frame : de en
  • US2024030A - Lock : en
  • CA354646A - Pulsation apparatus : en fr
  • CA354721A - Shoe upper pulling-over machine : en fr
  • USD97805S - Similar article for wearing ap- : en
  • FR791611A - Improvements made to gyroscopic compasses : en fr
  • US2023472A - Road making machine : en
  • US2023768A - Derivatives from drying oils : en
  • FR45827E - Improvements to trichrome selection devices : en fr
  • GB439768A - Device for eliminating or reducing oscillations in speed, vibrations and jerks in rotary shafts : en
  • GB439794A - Automatic reverse motion for mechanical looms : en
  • AT143822B - Current collector bracket for electric trams and main railways. : de en
  • CA354637A - Cigarette machine : en fr
  • AU2161735A - Improvement in combustion chamber for hydrocarbon motors : en
  • AT143881B - Device to combat the oscillating movements of ships. : de en
  • US2023448A - Muted automatic volume control circuit : en
  • US2023756A - Car truck : en
  • FR45811E - Deformable handle or handle containing a liquid capable of being heated in this handle or handle : en fr
  • FR791674A - Automatic circulation accelerator for central heating systems and the like : en fr
  • FR791661A - Indirectly heated cathode for electric discharge lamps or tubes : en fr
  • FR791697A - Blowing machine for molding foundry cores : en fr
  • FR45808E - Automatic quick-closing valve to avoid water hammer : en fr
  • FR791552A - Recovery of agricultural fertilizers : en fr
  • CH181253A - Process to make used lubricating oil reusable. : de en
  • CH181445A - Process for the preparation of 3-ethoxy-2-amino-1-methylbenzene. : de en
  • GB439737A - Improvements in or relating to television, picture telegraphy and the like : en
  • GB439533A - Improvements in or relating to the manufacture of electrolytic condensers : en
  • GB439755A - Improvements in or relating to thermionic valve arrangements : en
  • GB439563A - Improvements in pianofortes : en
  • US2023744A - Can opener : en
  • US2023423A - Strainer : en
  • US2023824A - Apparatus for gassing and sealing containers : en
  • USD97790S - Design fob a bridge fob an : en
  • DE623156C - Clip lasting machine : de en
  • DE623063C - Door lock for right and left use with two-part latch : de en
  • FR791506A - Improvements to single cylinder shredders : en fr
  • US2023852A - Carrier for ice cream cones and like articles : en
  • GB439670A - Improvements in or relating to personal weighing machines : en
  • GB439650A - A new or improved anti-splash device for taps : en
  • DE622913C - Pressure regulator : de en
  • US2023855A - Bag construction : en
  • DE623011C - Device for automatic regulation of the feed water and heat supply to pipe steam generators : de en
  • US2023982A - Process for breaking petroleum emulsions : en
  • US2023865A - Pencil : en
  • US2023806A - Bumper signal : en
  • US2024066A - Geographical clock : en
  • AT143829B - Equipment on footwear sewing machines. : de en
  • CH181191A - Device for extracting drill cores in soil with disjointed soil layers. : de en
  • US2023831A - Torpedo and method for shooting oil wells : en
  • FR791452A - Method for lowering viscosity in solutions of rubber or rubber-like substances : en fr
  • DE622572C - Loading bridge : de en
  • FR45847E - Transparent film bag, especially cellulose, provided with a reinforcement : en fr
  • FR791662A - Improvements to devices for cutting sheets from continuous webs : en fr
  • US2024090A - Ventilating window shade : en
  • AT143920B - Method and device for operating internal combustion engines, in particular for motor vehicles. : de en
  • GB439678A - Method of preventing tapering of the work in lapping machines of the superimposed wheel type : en
  • GB439644A - Improvements in or relating to electric arc atomic hydrogen heating torches : en
  • US2023916A - Combination fuse pulling pliers and test light : en
  • FR791405A - polarized electromagnet with rotating mobile armature : en fr
  • FR791698A - Process for the enrichment of solid substances contained in the products and residues of the destructive hydrogenation of distillable carbonaceous materials : en fr
  • GB439647A - Improvements in and relating to apparatus for use in practising ball games : en
  • DE623080C - Device for testing voltage converters of any translation ratio with the help of a single standard converter : de en
  • CH181187A - Fixing device for flagpoles. : de en
  • DE622954C - Height-adjustable and collapsible truck roof : de en
  • FR791423A - New light plate system to be installed on the rear of automobiles : en fr
  • GB439630A - Improvements in gyroscopic apparatus : en
  • GB439698A - Improvements relating to tubular structures or members suitable for the manufacture of seats, mattress frames and the like : en
  • GB439725A - Improvements in or relating to interior heating apparatus for motor vehicles propelled by internal combustion engines : en
  • AT143880B - Process for the production of alkali polysulphides. : de en
  • AT143979B - Fold-up bed. : de en
  • FI16834A - Anordning for sidoförstyvning av golv, tak sidoväggar i fordonskarosserier : en fi
  • FR791523A - Security system for jewelry and jewelry items : en fr
  • FR791581A - Process for liquefying, preserving and using acetylene thanks to the cold obtained by the distillation of other liquefied gases at a lower temperature : en fr
  • FR791384A - Improvements to loudspeakers and similar devices : en fr
  • US2023449A - Muted automatic volume control circuits : en
  • USD97811S - Design fob a heater : en
  • CH181410A - Motor vehicle chassis with medium support body for motor vehicles. : de en
  • US2023503A - Remote pressure control apparatus : en
  • US2024073A - Roll and bar grinding mill : en
  • DE622992C - Swing-wing airplane with a cone-shaped surface describing wings with a sagging wing surface : de en
  • FR791518A - Manufacturing process for cabinets or similar furniture intended for the refrigeration industry : en fr
  • FR791409A - New kind of bed : en fr
  • US2023829A - Admittance strip ticket : en
  • US2023428A - Coupling : en
  • US2023662A - Size determining mechanism for automatic machines : en
  • US2024037A - Abrasive cleaner dispenser : en
  • US2023847A - Lock : en
  • US2023416A - Nonrefillable bottle : en
  • USD97788S - Design for a shoe : en
  • US2023647A - Carburetor : en
  • US2023820A - Oil container : en
  • US2023955A - Vending machine : en
  • US2023980A - Process for breaking petroleum emulsions : en
  • GB439649A - Improvements in cardboard or paper cartons or like containers : en
  • DK50998C - Device for Metal Foil Bottle Capsules. : da en
  • US2023884A - Applicator : en
  • FR791511A - Improvements made to the lids, especially those for jam jars : en fr
  • CA354629A - Bottle holder : en fr
  • CH181305A - Band saw blade and process for its manufacture. : de en
  • DE623066C - Polygonal drive turas for the bucket chain of bucket chain excavators : de en
  • FR791427A - Process for incorporating ozone into underwear : en fr
  • FR791527A - Crimper : en fr
  • GB439517A - Improvements in, or relating to, fusible electric cut-outs : en
  • US2023992A - Box : en
  • DE623047C - Circular knife scissors for trimming sheet metal with a device for simultaneously dividing the waste strip : de en
  • FR791431A - Removal device for the introduction of fabrics with variable engagement in the dryer trains for non-shrink effects : en fr
  • DE623204C - Optical sound recording : de en
  • GB439531A - Improvements in or relating to electrolytes for electrolytic condensers : en
  • FI16828A - Attaching the tie holder and tie to the collar : en fi
  • FI16850A - Byggnadssten : en fi
  • FR791626A - Land waterproofing process : en fr
  • DE622971C - Device for regulating the operating parameters of an alternating current machine : de en
  • DE623129C - Device for the automatic setting of the voltage of an electrical machine for the purpose of its parallel connection with a network or another machine : de en
  • DE623136C - Pressed body made of calcium carbide : de en
  • FR791587A - Device for the rapid and conclusive verification of the electrical equipment (ignition, light, starting) of various vehicles : en fr
  • US2023403A - Combustion engine : en
  • US2023497A - Device for training and instruction in the firing of small arms : en
  • USD97775S - Design foe a clock case : en
  • DE623144C - Filling scale with automatic load balancing device : de en
  • DE623205C - Telescopic viewfinder for photographic chambers : de en
  • AT143824B - Device for filling volatile liquids. : de en
  • CH181219A - Hot water generator for brewing purposes. : de en
  • CH181455A - Process for adjusting an electrical transfer power between two power networks. : de en
  • US2024122A - Filter : en
  • US2023401A - Bottle capping machine : en
  • US2023963A - Garment construction : en
  • CA354670A - Thioether production : en fr
  • CH181395A - Overlay receiver with automatic fine-tuning. : de en
  • US2023452A - Wall construction : en
  • US2023805A - Return bend : en
  • US2023818A - Coated steel electrode for arc welding : en
  • US2024084A - Headlight : en
  • US2023562A - Casting of metals : en
  • US2023460A - Agitating machine : en
  • CA354722A - Pattern copying machine : en fr
  • DE623052C - Adjustable capsule pump with axially mounted wing pistons in the piston drum : de en
  • AT143856B - Device for covering film fields. : de en
  • US2023398A - Stitch-forming machine : en
  • US2023630A - Feed water degassing apparatus : en
  • US2023929A - Firearm : en
  • US2023517A - Electrical resistance device : en
  • AT143813B - Anti-slip protection for skis. : de en
  • DE622943C - Retractable railway turntable : de en
  • CH181197A - Radiators of sheet metal, in particular for central heating systems and processes for the production thereof. : de en
  • CH181390A - Shut-off device for lines in self-sellers for gases and liquids. : de en
  • US2023807A - Surgical needle : en
  • CH181291A - Waterproof winder. : en fr
  • AT143978B - Liquid measuring device with a pivotable measuring vessel which is filled in the hanging position and emptied in the upright position. : de en
  • US2023924A - Sewage aerating apparatus : en
  • AT143910B - Device for atomizing low-volatility fuels with impellers arranged inside, in particular for internal combustion piston engines. : de en
  • US2023708A - Elevation beacon for aircraft and the like : en
  • AU1995734A - Improvements in containers, such as silos andthe like, made from concrete, cement, plaster orthe like : en
  • US2023778A - Rake : en
  • US2023962A - Luggage carrier : en
  • FR791402A - Method and device for adjusting the rate of injection engines : en fr
  • GB439748A - Improvements relating to door closing apparatus : en
  • GB439802A - Improvements in the process of bleaching textile materials : en
  • USD97802S - Design fob a combined smoking : en
  • AT143842B - Process for the production of rayon, threads, foils, ribbons and the like. Like. Made of viscose. : de en
  • AT143934B - Telephone station for company management. : de en
  • US2024043A - Combination lock : en
  • CH181391A - Self-seller for gas, electricity or the like with switching between two tariff levels. : de en
  • GB439520A - Improvements in or relating to electric arc atomic hydrogen heating torches : en
  • US2023602A - Heating, air-conditioning, or cooling apparatus : en
  • US2023934A - Indicator face : en
  • FR791500A - Furniture panel system and its manufacturing process : en fr
  • GB439549A - Process for preventing the corrosion of iron drying apparatus : en
  • FR791390A - Improvement in gear changes by chain derailment : en fr
  • FR791665A - Sealing device for insulators for inserting high voltage electrical conductors into pressure vessels : en fr
  • AT143803B - Device for holding the stamp in apparatus for grinding and polishing chatons u. like : de en
  • US2023568A - Flow meter : en
  • AT143964B - Electric switch. : de en
  • GB439623A - Self adjustable anti-friction bearing : en
  • US2023660A - Nut handling machine : en
  • US2023742A - Combination locker lock : en
  • FR791651A - Speed transformer : en fr
  • USD97796S - Design fob a water closet or : en
  • DE1357200U - : de en
  • USD97826S - Design for a spoon ob similar : en
  • US2023832A - Wrench : en
  • FR791383A - Method and light sensitive layer for producing raster images : en fr
  • FR791652A - Bottom bracket hollow and internally profiled, for bicycles, motorcycles, etc. : en fr
  • FR791499A - Multiple contactor : en fr
  • FI16857A - Flaskliknande behållare av papper, karton eller liknande : en fi
  • CA354642A - Incandescent lamp : en fr
  • CH181200A - System for conditioning air or gases. : de en
  • DE622902C - Tongue opener for the needles of left-left knitting machines : de en
  • FR791598A - Machine for the preparation of chopsticks in chestnut wood or other fibrous wood intended for making circles for barrels, packaging and other applications : en fr
  • FR791612A - Improvements to gyroscopic compasses : en fr
  • GB439744A - Improvements in or relating to sliding clasp fasteners : en
  • GB439941A - Improvements in and relating to power hammers and the like : en
  • FR791406A - Process for heating food or other products by a chemical reaction and obtained in the same container which keeps the food : en fr
  • AU2051734A - Improvements inthe manufacture of esters from lactic, tartaric, or stearic acid : en
  • FI16841A - Brockgördel : en fi
  • DE623113C - Fluid switch with several one above the other; under and at a distance from the fixed contact : de en
  • CH181388A - Lifeboat. : en fr
  • US2023655A - Planter : en
  • USD97768S - Design for a shoe : en
  • DE623160C - Spool holder for two-for-one twisting spindles : de en
  • GB439797A - Improvements in or relating to devices for rolling bandages and the like : en
  • GB439892A - Improvements in and relating to the manufacture of concrete or like pipes, culverts and the like : en
  • FR791689A - Road lighting device, particularly intended for autostrades : en fr
  • GB439581A - Improvements in saucepans, frypans, kettles and like utensils : en
  • GB439551A - Improvements in and relating to the beaming of the warp for hand looms : en
  • FR791358A - Cutting head for suction dredger : en fr
  • FR791379A - Device for obtaining sound films with reduced background noise : en fr
  • FR791564A - Improvements in means of vaporization and carburization of fuels for internal combustion engines : en fr
  • FI16835A - Anordning vid automatiska telefonanläggningar frörställning av förbindelser, som förlöpa över ett flertal stationer under kontroll av register, anordnade vid den avgående änden av förbindelsen : en fi
  • FR791454A - Machine for stretching the caps on the neck of bottles or containers and for printing a safety mark on them : en fr
  • US2023437A - Jail lock system and equipment : en
  • US2024075A - Shipping case : en
  • GB439489A - Improvements in abrasive lapping machines : en
  • GB439778A - Improvements in or relating to telephone and telegraph signalling systems : en
  • DE622956C - Sausage filling and dividing device : de en
  • FR791483A - Race counter mechanism : en fr
  • FR791614A - Resinous compositions and their manufacturing process : en fr
  • FR791628A - Improvements in business registers : en fr
  • US2023608A - Rotary pump : en
  • US2023978A - Sheet metal box : en
  • CA354736A - Support for drooping plants : en fr
  • GB439952A - Improved controlled withering of tea : en
  • GB439769A - Improvements in or relating to methods of and apparatus for defibrating cotton seed hulls or the like : en
  • DE623060C - Bicycle saddle : de en
  • GB439709A - Improvements in or relating to machines for cutting up paper and similar material : en
  • GB439532A - A process for the production of fibrous material from animal skins : en
  • FR791641A - Monetary trigger mechanism for vending machines : en fr
  • GB439641A - Improvements relating to contact mechanisms for controlling electric circuits : en
  • GB439655A - Improvements in, or relating to, combined "on" or "off" indicator and overload protective systems for electric switchgear : en
  • FR791498A - Pin pullers : en fr
  • DE623018C - Process for the production of concentrated sulfur dioxide : de en
  • GB439601A - Improvements in electrically heated water circulators : en
  • FI16859A - Emballagematerial och förfaringssätt för framställning detsamma : en fi
  • DE623084C - Electric salt bath oven : de en
  • US2023841A - Two-motor control for screw feed machine tool units : en
  • FR791550A - Liquid fuel internal combustion engine : en fr
  • GB439506A - Improvements in, and relating to, disinfecting and deodorising devices for use in connection with the flushing systems for water closets, lavatories and the like : en
  • DE623110C - Circuit arrangement for relay selectors : de en
  • US2023796A - Driving bushing for rotary tables : en
  • US2024032A - Stairway construction : en
  • FR791591A - Improvements to remote control systems : en fr
  • AU2120635A - Improvements inthe manufacture of meat rolls : en
  • US2023527A - Yieldable coupling member : en
  • US2024053A - Car refrigeration : en
  • AT143848B - Triangle honeycomb frames for beehives. : de en
  • US2023969A - Absorption refrigeration : en
  • CH181195A - Curb. : de en
  • DE622987C - Veneer knife machine : de en
  • US2023404A - Rim mounting : en
  • US2024064A - Rawhide screw anchor plug : en
  • CH181358A - Gas pressure switch. : de en
  • US2023544A - Thermostatic control for electric circuits : en
  • FR791516A - High speed armor-piercing projectile : en fr
  • DE622917C - Sewing machine presser foot : de en
  • CH181452A - Process for the preparation of a derivative of the cresol-aldehyde resins. : de en
  • US2023724A - Measuring line for well plugs : en
  • USD97782S - Design fob a clock case : en
  • CA354686A - Manufacture of shoes with sponge rubber soles : en fr
  • CH181189A - Soundproof double doors. : de en
  • CH181310A - Injection molding machine in which the mass to be processed is converted from the powder to the plastic state. : de en
  • CH181439A - Process for the preparation of 2: 3-naphthalonitrile. : de en
  • CA354613A - Can sealing machine : en fr
  • US2023897A - Apparatus for manufacturing electrically welded tubing : en
  • USD97823S - Design for a therapeutic heater : en
  • AT143831B - Device for checking the synchronous operation of individual devices, e.g. for recording and reproducing images and sound in sound films. : de en
  • AT143960B - Adjustable choke coil. : de en
  • DE623061C - Power machine system, in particular ship machine system, with several internal combustion engines that work on a shaft via a gear : de en
  • CH181451A - Process for the preparation of an acidic dye of the Safranin series. : de en
  • DE622903C - Method for filling containers with solid radioactive substances : de en
  • DE622999C - Brake for single-track two-wheel roller skates : de en
  • AT143892B - Collapsible frame for emergency beds and. like : de en
  • USD97760S - Design fob an electric transformer : en
  • USD97798S - Design for a saucer : en
  • CH181198A - Hot water boiler for gas firing. : de en
  • AT143872B - Station scale with light signal reporting device, in particular for radio sets. : de en
  • US2023772A - Clutch for marine engines : en
  • US2024123A - Coating composition and method of : en
  • US2024098A - Insecticide : en
  • CH181280A - Combined field tool for military purposes. : de en
  • AU2107435A - Process for preparing alkenes with at least five carbon atoms in the molecule and or dervatives thereof : en
  • CH181381A - Vibrator. : de en
  • CH181417A - Gripper device on wheels with rubber tires. : de en
  • US2023456A - Condensing means for an internal combustion engine : en
  • US2023857A - Method and means for distributing alternating currents : en
  • US2023481A - Motor suspension : en
  • US2023619A - Treating hydrocarbon oils : en
  • US2024024A - Furnace conveyer shaft : en
  • AT143901B - Closure for bath bags or the like. : de en
  • CH181316A - Mechanical hammer. : en fr
  • AT143805B - Process for folding thin sheets and foils. : de en
  • CH181458A - Method for sterilizing empty, pre-cleaned bottles. : de en
  • CA354693A - Valve : en fr
  • DE623127C - Broadcast antenna to give preference to ground radiation : de en
  • FR791553A - Gear shifting derailleur for bicycles : en fr
  • FR791694A - Stopcock or shut-off valve : en fr
  • GB439949A - Improvements in electric lampholders and adaptors : en
  • GB439646A - Improvements in or relating to petrol pumps and the like : en
  • GB439757A - Improvements in and relating to electric circuit breakers : en
  • AT143828B - Device for copying lenticular films by projection. : de en
  • AU2046934A - Television amplifier : en
  • DE623108C - Process for the preparation of high molecular weight sulfonic acids and their salts : de en
  • US2023840A - Revolving wing or blade of aircraft : en
  • AT143911B - Working group process for internal combustion engines and then working engine or engine compressor. : de en
  • DE622945C - Double gas generator : de en
  • CH181313A - Stone crusher. : de en
  • US2023468A - Desiccating machine : en
  • CA354680A - Record controlled machine : en fr
  • US2023621A - Apparatus for covering cores : en
  • CH181270A - Ink eraser. : de en
  • DE622973C - Highly emissive glow cathode for electron tubes with an oxidized core made of a tungsten-molybdenum alloy using the metal vapor process : de en
  • US2023626A - System of electrical distributions : en
  • US2023473A - Hydroabietoyl chloride and process of preparing the same : en
  • CH181238A - Combustible wrapper for tobacco and process for manufacturing this wrapper. : en fr
  • FR791625A - Alarm clock switch-off device : en fr
  • GB439701A - Diaphragm valves : en
  • CA354731A - Telephone system : en fr
  • US2023610A - Heating device for liquid fuels : en
  • CA354683A - Subtracting and totalling device : en fr
  • US2023731A - Combustible gas analysis apparatus : en
  • CH181414A - Switching device for working devices to be operated by two switching processes, in particular hydraulic tilting devices of vehicle bridges. : de en
  • US2023885A - Game club : en
  • AT143903B - Method and device for cutting paper and other materials. : de en
  • US2023430A - Winding mechanism : en
  • US2024025A - Clay working : en
  • US2023858A - Copying process : en
  • US2023937A - Retaining device : en
  • US2023995A - Process for breaking petroleum emulsions : en
  • FR791413A - Process for the production of durable relief-type designs on articles of clothing, in particular on shoes and other articles of this type : en fr
  • FR791629A - Improvements to sanitary vessels or vessels : en fr
  • CA354671A - Illuminating device : en fr
  • US2023518A - Packing for bottles : en
  • US2023770A - Sound film equipment : en
  • US2023795A - Clamp operating apparatus : en
  • US2023984A - Thermal insulating article : en
  • CH181256A - Glass replacement bodies, in particular for optical lenses. : de en
  • CH181340A - Device for the mechanical injection of fuel in internal combustion engines. : de en
  • US2023701A - Combined undergarment and abdominal support : en
  • US2024011A - Lighting system : en
  • US2024100A - Bumper, particularly for automobile doors : en
  • US2024108A - Method of and means for operating on sheet metal articles : en
  • CA354678A - Yarn furnishing device : en fr
  • CH181300A - Process for the manufacture of squeeze tubes. : de en
  • US2023753A - Window construction and method of installing the same : en
  • AU2053434A - Improvements in or relating to electric discharge tubes : en
  • AT143926B - Hose for peristaltic pumps. : de en
  • CH181230A - Brassiere. : de en
  • FR791528A - Radiator curtain mounting system for internal combustion engines : en fr
  • FR791565A - High vacuum tube for television purposes : en fr
  • GB439605A - Multiple photographic projection printing machine for kinematographic films : en
  • DE622990C - Screw connection between the filter connector of a gas mask and the screw connector of the insert filter : de en
  • USD97812S - Design for an ash tray : en
  • US2024097A - Grease discharge device : en
  • US2023439A - Radio receiving system : en
  • GB439728A - Orthoscopic diaphragms for roentgen ray working : en
  • US2023927A - Parcel post scale : en
  • FR791469A - Improvements to clothing buttons : en fr
  • CH181181A - Insulating block. : de en
  • FR791524A - Automatic fire extinguishing device in vehicles equipped with an internal combustion engine : en fr
  • GB439788A - Improvements in or relating to electrolytes for use in electrolytic condensers : en
  • FR791563A - New surgical injection device : en fr
  • US2023559A - Pump : en
  • DE622873C - Duration controller for controlling the valves and other equipment in washing machines : de en
  • FR791513A - Trailer intended for automobile transport : en fr
  • FR791443A - Firearms mounts, particularly intended for airplanes : en fr
  • FR791514A - Improvements to pneumatic valves : en fr
  • US2023533A - Transmission brake : en
  • US2023877A - Flavoring material : en
  • US2023968A - Rectifier for absorption refriger ating apparatus : en
  • US2024072A - Metal article : en
  • US2023412A - Massaging device : en
  • USPP160P - nicolas : en
  • GB439523A - Improvements in or relating to yarn traverse means for yarn winding machines : en
  • GB439612A - Improvements in and relating to caps for incandescent electric lamps : en
  • GB439565A - Improvements in or relating to the manufacture of pneumatic tyres : en
  • GB439553A - Improvements in and relating to valves : en
  • GB439789A - Improved method of manufacturing electrodes for electrolytic condensers : en
  • US2024116A - Stick handling mechanism : en
  • FR791375A - Tweezers for curlers wearing hair coils : en fr
  • FR791645A - New special cast : en fr
  • GB439556A - Method for sensitising photographic emulsions : en
  • US2023597A - Fluid controlled clutch and brake mechanism for presses and other machinery : en
  • USD97795S - Design for a shoe : en
  • US2023851A - Speed control for shears for cutting rolled material : en
  • USD97797S - Design for a plate : en
  • DE621917C - Water tube boiler for rapid natural water circulation, especially for highly loaded high pressure steam systems for ships : de en
  • FR791380A - Polarized lens glasses : en fr
  • US2023692A - Sink structure : en
  • US2023470A - Molded pulp article : en
  • US2023810A - Method of cutting pineapple in preparation for canning : en
  • DE622995C - Protection device for buildings to identify the impact of projectiles, bombs, incendiary bombs : de en
  • DE623131C - Control of frequency converters : de en
  • CA354608A - Plough attachment : en fr
  • CH181400A - Device for generating photos high above the ground. : de en
  • US2023669A - Art of printing : en
  • US2023396A - Valve operating mechanism : en
  • FI16852A - Förfaringssätt förädling av aluminiumlegeringar : en fi
  • CH181241A - Device for automatic refilling of a vessel with liquid from a storage vessel. : de en
  • DE623072C - Cleaning device for disk roller grates : de en
  • US2023990A - Process of forming shingles : en
  • US2023462A - Valve mechanism for servo-motors : en
  • US2023632A - Valve for flowing wells : en
  • CA354728A - Slicing apparatus : en fr
  • FI16837A - Rörsockel : en fi
  • FR791675A - Compressed gas switch with opposing electrodes : en fr
  • DE623180C - Continuously operating low temperature coking furnace : de en
  • DK51018C - Process for the manufacture of liquid fuels. : da en
  • GB439640A - Improvements relating to absorption refrigerating apparatus : en
  • DK51007C - Grinder with self-adjustable mounted grinding bodies. : da en
  • FR45806E - Improvements to phonographs : en fr
  • US2023546A - Method of contacting liquids : en
  • US2023566A - Process for preparing tertiary-butyl-meta-xylene : en
  • AU2043834A - Improvements in electrical control apparatus : en
  • CH181226A - Shooting device for looms. : de en
  • CH181292A - Wrist watch with bracelet. : de en
  • DE622935C - Method and device for the wet treatment of textile goods : de en
  • GB439524A - Improvements in the manufacture and production of intaglio printing inks : en
  • FR45816E - Gear change actuator for electrically controlled machines : en fr
  • FR791520A - Improved circulation boiler and economical construction : en fr
  • US2023706A - Butter and cheese cutter : en
  • DE622904C - Press casting machine, in particular for processing magnesium alloys : de en
  • USD97766S - Design fob a buckle : en
  • US2023426A - Method for treatment of ceramic materials : en
  • AT143815B - Adjustable closure for belts, items of clothing, bags or the like. : de en
  • AT143992B - Door closer. : de en
  • AU2107335A - Process of preparing alkenes containing atleast five carbon atoms inthe molecule ina pure or substantially pure condition : en
  • CH181457A - Electrical high-voltage apparatus, in particular for medical purposes. : de en
  • GB439544A - Improvements in or relating to heat sealing devices for waxed or like seams : en
  • AU2198035A - Road material mixing machine : en
  • US2023991A - Journal box lubricator : en
  • US2023923A - Freezing tray : en
  • US2023879A - Extrusion press : en
  • US2023754A - Process for the cracking of heavy oils and apparatus therefor : en
  • AT143906B - Hollow stone. : de en
  • AT143991B - Beam clamp for the curtain rail and cover strip. : de en
  • US2023769A - Fatty mixture capable of being emulsified : en
  • US2023522A - Electrolytic device : en
  • FR791441A - Further development in the manufacture of cork discs used in metal caps for capping bottles or other containers : en fr
  • FR45849E - Back-to-back table replacing the bench for sinks or similar shelves : en fr
  • FR791400A - Upright for rolling mill stands : en fr
  • GB439739A - Hydraulically controlled devices for driving rotating turrets for fire-arms : en
  • GB439722A - Manufacture of cyclic amines : en
  • FR791398A - Improvements in the manufacture and construction of foundry frames : en fr
  • AU2138635A - Improved device for closing the cage and well gates of lifts andthe like : en
  • CH181413A - Luminous indicating device for automobile, for example. : en fr
  • FR791589A - Process for increasing the gloss of printed images : en fr
  • US2023814A - Metal building construction : en
  • CH181302A - Coordinate drilling machine. : de en
  • DE623114C - Device for interrupting electrical circuits by switching on a fluid resistance between the electrodes : de en
  • FR791503A - Typewriter, tracing or painting, letters or other patterns : en fr
  • AT143914B - Operating procedure for drives with hydraulic turbo gears as transmission medium. : de en
  • AT143940B - Inductive voltage divider. : de en
  • AT143970B - Method of making an electron emitting electrode. : de en
  • AT143859B - Self-registering card file drawer and associated tab. : de en
  • AU2008034A - Apparatus for the extraction of liquid from materials : en
  • US2024077A - Direction signal : en
  • US2024111A - Saw guide and clamp : en
  • FR45820E - Straw press with cutting device at the entrance of the press channel : en fr
  • US2023417A - Die for and method of making spirally corrugated tubing : en
  • CH181193A - Process for the production of a bituminous binder intended for road construction. : de en
  • CH181247A - Process for the preparation of a trisazo dye. : de en
  • DE622926C - Compressors for gases, especially for refrigeration machines : de en
  • DE622938C - Process for the production of halogen-containing phenylthioglycolic acids : de en
  • FR791649A - heating gas saver : en fr
  • US2023595A - Electric oven : en
  • FR791382A - Camouflage device for airplanes : en fr
  • DE623069C - Process for the preparation of aminoacylaminoanthraquinones : de en
  • DK51020C - Rail collection. : da en
  • GB439516A - Improvements in or connected with wind musical instruments : en
  • GB439671A - Machine for edging double-edged razor blades on an endless conveyor belt : en
  • CH181330A - V-belt drive. : de en
  • CA354595A - Cravat holder : en fr
  • AU2214735A - Improvements in or relating to cinematograph apparatus : en
  • DK51011C - Formwork construction with associated formwork elements for reinforced concrete rib slabs. : da en
  • CH181362A - Circuit breaker device with thermosensitive control element. : en fr
  • CH181420A - Expanding roller support for bicycles and motorcycles. : de en
  • AT143995B - Process for the production of polymorphic substances in certain crystal modifications. : de en
  • AT143933B - Telephone subscriber station, in particular for company management. : de en
  • AU2202035A - Improvements in crucibles for alumino-thermic operations : en
  • FR791373A - Rotating capacitor with luminous index : en fr
  • US2024001A - Framed bridge or bridge-like structure : en
  • CH181327A - Process for the production of insulating materials for cold water pipes freely laid in rooms. : de en
  • CH181342A - Internal combustion engine with a radiant element. : en fr
  • US2024042A - Safety device : en
  • US2023526A - Anchoring means for decoys : en
  • CA354655A - Sealing and thrust balancing device : en fr
  • CH181265A - Process for the production of flat and offset printing plates. : de en
  • US2023761A - Desk and chair unit : en
  • US2024120A - Automatic sewing machine : en
  • CH181263A - Two-legged clamps, in particular for clamping products made of paper and cellulose film. : de en
  • CH181251A - Process for the production of a blue pigment. : de en
  • CH181299A - Process for the production of cutting tools with a soft base material, the cutting edges of which are formed by build-up welding, and cutting tool produced according to this process. : de en
  • CH181383A - Process for the preparation of 1-phenyl-2- (methyl- (diethylaminoethyl)) - aminopropan-1-ol. : de en
  • AT143962B - Electric discharge vessel. : de en
  • AT143864B - Roller curtain. : de en
  • AU2273735A - Improvements in womens caps : en
  • CH181257A - Process for the production of waterproof and plasterable building boards and building board produced by the process. : de en
  • CH181184A - Process for converting existing main and front windows into windows with double glazing. : de en
  • DE623153C - Ready bushing for gas masks : de en
  • AT143869B - Turntable cashier with selector. : de en
  • AT143905B - Process for the production of paper sacks and packages. : de en
  • DE623017C - Impact drill bit for deep drilling : de en
  • CA354729A - Bristle treating method : en fr
  • US2023952A - Selective market system : en
  • GB439727A - Improvements in or relating to the panning of articles : en
  • CA354675A - Building element composition : en fr
  • CH181344A - Sealing device on apparatus for ignition devices for internal combustion engines. : de en
  • AT143904B - Closure buckle for bags of all kinds, belts, etc. like : de en
  • GB439661A - Method of testing voltage transformers : en
  • CA354738A - Profile wire twisting machine : en fr
  • CA10977S - Tire : en
  • DE622968C - Process for improving the magnetic properties, in particular the watt losses, of iron-nickel alloys with 40 to 50% nickel and 60 to 50% iron : de en
  • DE623056C - Tilting device, especially for trucks : de en
  • AU1916434A - Improved number plate device for motor vehicles : en
  • GB439530A - Improvements in or relating to the manufacture of electrical condensers : en
  • GB439946A - Improvements in or relating to metal base liquid compositions such as paints, enamels, lacquers and oil primers : en
  • CH181367A - Indirectly heated, dark-emitting cathode. : de en
  • FR45831E - Emergency Reservoir Pen : en fr
  • FR791586A - Actuating device for the engagement rods of gear change mechanisms, in particular for motor vehicle gearboxes : en fr
  • AT143930B - Magnetic body, preferably for low current purposes, and method for its manufacture. : de en
  • DE623045C - Universal milling machine with headstock that can be raised and lowered on the stand : de en
  • DE623081C - Method for removing a wire melted in quartz glass : de en
  • DE622925C - Rough loom : de en
  • DK51009C - Thermostatic Oven Valve. : da en
  • CH181343A - Blocking capacitor in the high-voltage circuit of a magneto. : de en
  • US2023584A - Marine reduction and reverse gear unit : en
  • US2023918A - Fish lure : en
  • FR791653A - Barbed wire, ribbon and burl laminated : en fr
  • US2023620A - Fire box for boilers : en
  • US2024091A - Match book display package : en
  • AT143946B - Braun tube filled with gas for receiving television broadcasts. : de en
  • DE622994C - Suspension of the single wheel arranged in the longitudinal center plane, especially in three-wheeled vehicles : de en
  • DE623165C - Pressure plate or pressure roller for ironing, ironing and pressing machines with springs : de en
  • FR791623A - Electrical control device for vehicles, in particular for vehicles with trolleys and the like : en fr
  • FR791688A - Method and device for solidifying or cooling liquids and in particular water : en fr
  • FR45809E - Derailleur for multi-speed bicycle hubs : en fr
  • GB439552A - Scavenging device for two-cycle diesel-engines : en
  • GB439694A - Improvements in grabs : en
  • GB439592A - Improvements relating to controlling arrangements for aeroplanes : en
  • US2023585A - Reverse gear unit : en
  • FI16854A - Apparatus for the determination of substances in gas mixtures which have an acidic character or from which acidic substances can be developed : en fi
  • GB439736A - Improvements in or relating to electric ship propulsion systems : en
  • US2023536A - Process of drying fruit : en
  • US2023974A - Radiocommunication : en
  • US2024133A - Fuel handling unit : en
  • DE622887C - Line measuring device for register strip punching machines to control die setting and line casting machines, in which pointers moving towards one another make the line excluded : de en
  • FR791601A - Valve for gas masks and other similar applications : en fr
  • GB439806A - Improvements in or relating to cellulosic solutions and articles made therefrom or treated therewith : en
  • DE623029C - Inclined moving grate with transverse rows of alternating fixed and forward and backward moving grate sections : de en
  • GB439787A - Improvements relating to supply reels of strips of paper or the like for making smoke filter plugs and machines for their treatment : en
  • FR791401A - Method and devices for controlling the liquid consumption of a user apparatus : en fr
  • GB439538A - Process and apparatus for inspissating, heating and cooling liquids and solutions in single- or mutli-stage plants : en
  • US2024128A - Smokeless powder : en
  • AT143865B - Stands of electrical machines consisting of sheet metal rings. : de en
  • CH181278A - Handgun with separate fore-end and butt. : de en
  • US2023712A - Hinged last : en
  • US2023615A - Green azo dyestuffs and process of making same : en
  • FR791630A - Improvements to sanitary vessels or vessels : en fr
  • GB439716A - Improvements in and relating to protective arrangements for electric systems employing a power transformer with distributive windings : en
  • DE622915C - Gripper device for chain stitch sewing machines : de en
  • GB439759A - Improvements in or relating to folding or collapsible boats : en
  • GB439689A - Improved process of welding : en
  • US2023694A - Swimming suit : en
  • US2023774A - Stable stall : en
  • USD97763S - Projector cabinet : en
  • US2023614A - Process of dyeing with azo dyes and cellulosic material dyed therewith : en
  • US2023678A - Shuttle : en
  • US2024020A - Dimension gauge : en
  • US2024048A - Compound tunnel or flame furnace : en
  • CH181440A - Process for the preparation of a phenylated compound. : de en
  • FR791574A - Servo motor or clutch for vehicle brake mechanism : en fr
  • CH181188A - Door resp. Window with locking and unhooking device. : de en
  • DE623130C - Device for extinguishing electrical arcs, especially for blowout protection : de en
  • FR791570A - Brush for all uses with removable or interchangeable base : en fr
  • GB439539A - An improved process for converting alkali salts of phenylalkyl barbituric acids into stable calcium compounds : en
  • US2023631A - Electric welding control device : en
  • CA354668A - Cellulose digester : en fr
  • CH181261A - Envelope. : de en
  • CH181399A - Illuminated advertising device. : de en
  • CA354623A - Cleaning device : en fr
  • US2023939A - Aeroplane kite : en
  • CH181303A - Spring-loaded steel holder for parting tools, profile tools and the like. : de en
  • US2024031A - Defroster : en
  • CH181304A - Power operated hand shears. : de en
  • CH181309A - Process for the manufacture of fittings. : de en
  • AT143971B - High voltage cables. : de en
  • CH181281A - Damped pendulum inclinometer for motor vehicles. : de en
  • FR791605A - Process for treating hydrocarbon oils with light hydrocarbons : en fr
  • US2023406A - Refrigerator car : en
  • CA354660A - Oxygen producing apparatus : en fr
  • AT143878B - Process for converting brewer's yeast into baker's yeast. : de en
  • US2024112A - Saw guide for pipes and similar : en
  • US2023629A - Frozen comestible package : en
  • US2024101A - Bumper : en
  • FI16833A - Sät att framställa diiodomethanesulfosyra eller dess salter : en fi
  • FR791592A - New light block for signaling : en fr
  • US2023465A - Cedar chest : en
  • US2023487A - Typewriting machine : en
  • DE623151C - Photographic self-timer : de en
  • GB439708A - Cut film magazine for use with photographic cameras : en
  • US2023752A - Interlock : en
  • DE622933C - Acoustic gas detection device : de en
  • DE623087C - Stripper device : de en
  • DE623096C - Auxiliary device for a motor vehicle clutch : de en
  • FR45814E - Device for assembling frame, beam and frame elements : en fr
  • AT143830B - Self-seller. : de en
  • US2023399A - Dip bucket : en
  • US2023717A - Electric battery cell : en
  • US2023782A - Bag closure and method of making the same : en
  • US2024014A - Process for improvement of malleable iron castings : en
  • GB439528A - Improvements in or relating to radio and like receivers : en
  • US2023492A - Aib conditioning apparatus : en
  • USD97774S - Design for a jab : en
  • CH181453A - Process for the production of a condensation product from urea, thiourea, formaldehyde and hexamethylenetetramine. : de en
  • AT143989B - Device for detecting hinged windows, shop windows and the like that can be rotated about a horizontal axis. Like. In the open position. : de en
  • AU2117835A - An improved horizontal grate : en
  • CH181225A - Method and device for the production of a fabric with a high weft density. : de en
  • CH181365A - Cathode ray tubes, in particular for television purposes. : de en
  • DE623008C - Device for serial superimposition of power supplies with superimposed currents of non-network frequency, especially audio frequency : de en
  • US2024044A - Combination cape, mat, and bag : en
  • CH181321A - Nut lock. : de en
  • US2023477A - Means for sealing reels : en
  • US2023679A - Intermittent driving mechanism : en
  • US2023750A - Feathering paddle wheel : en
  • US2024065A - Metal walled vacuum chamber or container and method of manufacture thereof : en
  • AU2034134A - Improvements relating to water heaters : en
  • CH181262A - Memo book for drivers. : de en
  • US2023475A - Automatic feed for high intensity arc lamps : en
  • US2023486A - Stop light for automobiles : en
  • US2024009A - Bumper construction : en
  • USD97827S - Design fob a photoelectric : en
  • AU2101735A - Improvements in or relating to cathode ray oscillographs for use in television : en
  • CA354674A - Railway traffic controlling system : en fr
  • CH181205A - Combined socket wrench for operating locks. : de en
  • CH181406A - Device for aligning vertically moving bottles with swing top in bottle handling machines. : de en
  • FR791539A - Process for the production of dimensionally stable knitwear on a double needle bed machine : en fr
  • AT143819B - Billiard and ball game with automatically activated bonus indicator. : de en
  • CH173938A - Transport device for measuring instruments. : en fr
  • CH181403A - Advertising machine. : de en
  • AU2166835A - Frequency band selecting system : en
  • CH181277A - Catch ball toys. : de en
  • AT143898B - Floor. : de en
  • US2023817A - Supplementary fuel supply apparatus for internal combustion engines : en
  • FI16848A - Anordning for uppvärmning av rum : en fi
  • CH181179A - False. : en fr
  • CH181324A - Expanding ring coupling. : de en
  • FR791635A - Azo dyes and process for their preparation : en fr
  • CA354724A - Washing machine : en fr
  • CH181315A - Device for sharpening razor blades. : de en
  • DE623033C - Tablecloth clips made from molded material, in particular celluloid : de en
  • FR791359A - Cement preparation process : en fr
  • CH181416A - Drive device on motor vehicles, in particular tractors. : de en
  • US2023845A - Motor vehicle rear lamp : en
  • AT143894B - Edge reinforcement for sheets of paper, drawings, breaks, etc. like : de en
  • CH181186A - Drilling device specially designed for plumbers and carpenters. : de en
  • CH181220A - Brush. : de en
  • US2024015A - Ignition mechanism for internal : en
  • AT143947B - Method and arrangement for automatic level control in multiple carrier power systems, in particular for high-frequency telephony on overhead lines. : de en
  • AU1999834A - Improvements in or relating to methods of manufacturing electrodes for electrolytic condensers : en
  • AU1955234A - Improvements in means for combating pests : en
  • USD97828S - N woody : en
  • DE606410C - A piece of furniture consisting of a frame or the like and a glass plate attached to this openable bar : de en
  • DK51013C - Self-acting Lock Gate. : da en
  • CH181346A - Method and apparatus for performing thermodynamic transformations. : en fr
  • AT143888B - Process for making two-tone films and plates. : de en
  • US2023898A - Shaft seal : en
  • US2023913A - Rod mill : en
  • AT143836B - Method of making patterned cardboard. : de en
  • AT143917B - Method for charging an internal combustion engine and machine for carrying out the method. : de en
  • FR791695A - Method and apparatus for removing crevices in the side surface of metalworking rolls : en fr
  • GB439578A - Improvements in or relating to fasteners of the sliding clasp type : en
  • DE623146C - Internal combustion engine : de en
  • FR791509A - Nail : en fr
  • AT143907B - Writing pad for use in the dark. : de en
  • AT143957B - Current direction-sensitive tripping device for high-speed switches. : de en
  • CH181202A - Continuous working mixing machine. : en fr
  • AT143879B - Hot water storage tank utilizing the heat given off by a continuously operating absorption chiller. : de en
  • AT143956B - Battery discharge lamp. : de en
  • CH181295A - Clock with transparent dial and invisible mechanism. : en fr
  • USD97756S - Design for a display stand for : en
  • US2023903A - Electric conductor connection : en
  • AT143834B - Reel for roll films with a light protection cover. : de en
  • AT143897B - Device for protection against moisture penetrating from the side in foundation walls. : de en
  • US2023812A - Baking pan set : en
  • US2023933A - Method of making a sheet metal article : en
  • US2023815A - Primary cell : en
  • AU2313835A - Improvements in girdle and combination girdle brassiere : en
  • AT143967B - Photoelectric cell. : de en
  • CA354634A - Variable pitch propeller : en fr
  • CH181415A - Vehicle with streamlined body. : de en
  • AT143916B - Leather trim wedge chain. : de en
  • AT143875B - Process for influencing living cells, technically usable micro- and other organisms, etc. : de en
  • AT143915B - Transmission. : de en
  • CA354659A - Dictating machine : en fr
  • DE622976C - Process for the production of azo dyes on cellulose fibers : de en
  • FR791666A - Quartz melting furnace : en fr
  • GB439741A - Improvements in apparatus for crimping or waving textile fibrous material : en
  • US2023723A - Carbon pile regulator : en
  • FR45801E - Method to cover load variations : en fr
  • AT143886B - Method and device for facsimile telegraphy. : de en
  • CH181183A - Device for automatic shielding of windows against solar radiation. : de en
  • DE623090C - Feed device for woodworking machines : de en
  • US2023715A - Car truck : en
  • US2023525A - Lens grinding machine : en
  • CH181436A - Process for the preparation of a mixture of higher ketones. : de en
  • CH181259A - Device for making carbonated beverages. : de en
  • DE623193C - Adjustable choke coil : de en
  • CH181233A - Foot measuring device with ball pusher and width measuring device. : de en
  • AT143955B - Flush-mounted socket. : de en
  • CH181408A - Registration device on vehicles. : de en
  • CH181379A - Method and device for electrical welding and soldering of metals arranged on heat-unstable materials, in particular metal prostheses fastened in the mouth. : de en
  • CH181276A - Board game. : de en
  • DE551166C - Production of high percentage nitric acid : de en
  • US2023451A - Kitchen utensil : en
  • US2023873A - Railway car door track : en
  • CA354631A - Advertising blotter : en fr
  • GB439648A - Improvements in the mode of and means for producing knitted fabric : en
  • CA354617A - Card shuffer and dealer : en fr
  • AT143996B - Glass resistant to metal vapors. : de en
  • AT143857B - Lowering device for sewing machines or typewriters. : de en
  • AT143882B - Additives to fuels for internal combustion engines. : de en
  • AT143948B - Lighting system with an electric discharge tube that contains vapor of non-volatile metals. : de en
  • AT143976B - Computing device. : de en
  • US2023551A - Guaiacol compounds and the production thereof : en
  • US2023558A - Neon tube and method of making the same : en
  • US2023819A - Sick room light : en
  • US2024004A - Sterilizer : en
  • US2024127A - Motor support : en
  • AT143923B - Controller for the course of the injection in internal combustion engines. : de en
  • DE623053C - Carrying device for projector for generating light advertising images and fonts on aircraft wings : de en
  • DE623122C - Rolling machine for shaping dough pieces : de en
  • CA354707A - Motor fuel : en fr
  • CH181312A - Machine for shredding peat waste. : de en
  • USD97821S - Design for a glove : en
  • USD97829S - Design for lace : en
  • CA354602A - Lime soap grease : en fr
  • US2023564A - Safety razor and blade therefor : en
  • AT143982B - Holder for price list u. like : de en
  • CA354661A - Rubber thermoplastic composition : en fr
  • CH181372A - Electric discharge tube. : de en
  • US2023604A - Fireplace screen : en
  • CH181423A - Handlebar with shaft. : de en
  • CA354618A - Non skidding tire device : en fr
  • US2023661A - Metal clad door and method of manufacturing same : en
  • CH181269A - Inkwell container. : de en
  • CH181273A - Musical instrument imitating the sound of bells. : en it
  • DE623170C - Circular knitting machine with eccentric drive for the needle lifting ring : de en
  • GB439713A - Improvements in the construction of bodywork for vehicles : en
  • CH181328A - Fluid turbo transmission. : de en
  • US2023577A - Combustion apparatus : en
  • US2024056A - Greenhouse : en
  • CH181274A - Accordion. : de en
  • CH181329A - Gear for converting a continuous to an oscillating rotary motion. : de en
  • CA354702A - Container : en fr
  • FR791678A - Brakes for vehicles : en fr
  • FR791414A - Thermionic generator in which high frequency and ultra-high frequency oscillations are generated under the action of a magnetic field : en fr
  • CH181393A - Circuit arrangement for telecommunications systems. : de en
  • GB439597A - An improved process for the manufacture of knife handles : en
  • FR791433A - Automatic control device for remotely controlled aircraft : en fr
  • CA354620A - Closed hollow brick manufacturing apparatus : en fr
  • AT143871B - Garter belt. : de en
  • CH181208A - Household machine with attachment device for interchangeable single household machines. : de en
  • US2023743A - Method of forming frames from wire : en
  • CA354658A - Bearing sleeve : en fr
  • AT143965B - Articulated arm for holding and adjusting the microtelephone in the speaking position. : de en
  • FR791435A - Process for making textile products water-repellent : en fr
  • AT143889B - Pressureless impregnation process for wood on a living trunk. : de en
  • US2023775A - Conversion of hydrocarbon oils : en
  • CH181199A - Humidifier. : de en
  • DE623140C - Double-arm vascular promotion : de en
  • FR45841E - Combustion apparatus for liquid fuels : en fr
  • US2023736A - Production of heat-treated coiled medium or high carbon steel wire rods : en
  • USD97815S - Design fob textile fabric : en
  • US2023657A - Pipe truing tool : en
  • US2023973A - Glue and glue base : en
  • FR791590A - Automatic projectile sandblasting machine : en fr
  • GB439886A - A press for use in conjunction with a container for meat and other foodstuffs : en
  • US2023646A - Tubular heat exchange apparatus : en
  • US2023702A - Automatic telephone system : en
  • US2023484A - Apparatus for operating scotch hearths : en
  • US2023500A - Method of manufacturing a stable dry leavenous agent for baking purposes : en
  • US2023886A - Collapsible box : en
  • FI16832A - Compatibility of the aid for the production and use of the product with the basic product : en fi
  • FR791549A - Improvements to portable electric lights : en fr
  • GB439745A - Improvements in signal-recording mechanism for start-stop telegraph systems : en
  • FI16871A - Appropriate scraping with upgrading : en fi
  • FR791421A - Electric propulsion system for ships : en fr
  • DE622841C - Device for emptying mud cans and similar deep drilling tools : de en
  • FR791493A - coin pin with caliber holder : en fr
  • GB439510A - Improvements in a localising control device in machines for continuously feeding sheet material : en
  • GB439761A - Improvements relating to interlocking devices for electric switches : en
  • AT143963B - Mobile telecommunications system with pupinized cables, especially with a low number of wires. : de en
  • CA354710A - Inhaler : en fr
  • CA354730A - Piezo-electric wave filter : en fr
  • AT143802B - Apparatus for grinding and polishing chatons, etc. like : de en
  • CA354615A - Structural activated carbon : en fr
  • CH181297A - Soldering device. : de en
  • FR791571A - Automatic variable pitch propeller improvement : en fr
  • US2023677A - Time globe : en
  • US2023874A - Railway car door track : en
  • US2023721A - Rodline coupler : en
  • AT143852B - Overflow valve for liquid shock absorbers. : de en
  • CA354621A - Survey plug : en fr
  • USD97757S - Design for a textile fabric : en
  • CA354685A - Refrigerating system : en fr
  • CH181254A - Process for preparing an explosive. : en fr
  • DE623171C - Hardness tester with load lever for determining the hardness on the inner surfaces of hollow bodies according to the depth difference measurement method : de en
  • FR791453A - Improvements to control thermostats : en fr
  • DE623106C - Pipe cleaner to be driven by liquid or gas pressure in pure or sewage pipes : de en
  • US2023846A - Motor suspension : en
  • US2023672A - Tennis ball cover : en
  • US2024067A - Apparatus for testing shock-absorbing struts for airplanes : en
  • AT143935B - Circuit arrangement for counting the conversation time in self-connecting telephone systems. : de en
  • CH181218A - Storage channel for bobbins, rolls and the like. : de en
  • CH181332A - Electric pulley block. : de en
  • US2024080A - Light source for recording sound on film and method of producing same : en
  • US2023644A - Means for mixing : en
  • FR791615A - Improvements in the manufacture of dyes of the cyanine class and other dye condensation processes : en fr
  • US2023529A - Expansion joint filler : en
  • GB439542A - Apparatus for collecting saliva in dental surgery operations : en
  • GB439664A - Improvements in hydraulic power transmissions : en
  • GB439677A - Improvements in or relating to self-winding watches : en
  • GB439575A - Improvements in electric cable installations : en
  • DE622853C - Mobile vacuum cleaner with pivoted handle : de en
  • DE623006C - Synchronization control device for multi-motor drives : de en
  • US2023987A - Building brick : en
  • US2023881A - Machine for punching jacquard cards : en
  • USD97770S - Design fob a window display : en
  • CA354720A - Coating apparatus : en fr
  • CH181227A - Braiding machine. : de en
  • CH181387A - Hair winding device for permanent wave devices. : de en
  • US2023476A - Pole and post : en
  • US2023557A - Slug casting machine : en
  • CH181288A - Sound emitting device for loudspeakers. : de en
  • GB439547A - Improvements in or relating to television and like receiving systems : en
  • GB439577A - Improvements in or relating to drying plant : en
  • GB439682A - Improvements in or relating to hairdressing chairs : en
  • FR791444A - Improvements made to harnesses, particularly those for parachute equipment : en fr
  • DE622986C - Candle made of non-kneadable material : de en
  • GB439643A - Means for playing a new or improved ball game : en
  • US2023413A - Hard metal : en
  • FR791370A - Lateral locking system for bolts and their nuts : en fr
  • DE623182C - Cooker absorber for periodically acting absorption apparatus : de en
  • GB439782A - An improved shoe re-shaping device : en
  • DE623147C - Screwing on and unscrewing device for the workpieces on threaded mandrels of machine tools, preferably turning jaws : de en
  • FR791387A - Improvements to smokers' articles : en fr
  • USD97764S - Design fob a glove : en
  • DE623025C - Device for measuring the active power or the work in a three-phase system with or without a neutral conductor : de en
  • GB439543A - Improvements in or relating to permanent magnets and alloys therefor : en
  • FR791542A - Advanced coffee filter : en fr
  • US2023809A - Gas mixing apparatus : en
  • US2023561A - Blank arranging mechanism : en
  • DE622918C - Device for treating liquids, in particular for sterilizing or pasteurizing milk : de en
  • DE622959C - Kiln with firing shafts formed by the insert and smoke channels running close to the bottom of the shaft : de en
  • US2023618A - Shoe stretching device : en
  • US2024047A - Burial vault : en
  • DE622934C - Mobile excavator device for the separate extraction of intermediate resources : de en
  • AT143814B - Fly catcher with glued catch surface. : de en
  • AU2036034A - An improvement in or relating to fruit punnets : en
  • CH181424A - Traction equipment comprising several diesel-electric groups. : en fr
  • DE623035C - Variometer : de en
  • DE623036C - Friction wheel lighter with a windbreak jacket : de en
  • FR791361A - Protective device for equipment used to harden surfaces by means of a torch : en fr
  • CH181216A - Device for recovering heat loss occurring during cooking of food. : en fr
  • US2023823A - Solderless connecter for electric cables : en
  • CH181378A - Ignition circuit for discharge tubes with gaseous filling. : de en
  • CH181428A - Safety device for routes traveled in both directions. : de en
  • FR45815E - Device allowing any number of electric cables to be passed through a wall : en fr
  • FR791593A - Skate advanced for road circulation and equipment for the use of this skate : en fr
  • FR791617A - Household appliance for heating water by gas : en fr
  • FR791700A - Pocket telescope : en fr
  • US2023961A - Control means for driving and driven elements : en
  • FI16840A - The scope of the application is to be determined : en fi
  • FR791540A - Control of driving wheels or driving and steering wheels also including suspension for motor vehicles : en fr
  • US2023705A - Filling feeler for looms : en
  • US2024089A - Automatic telephone selector : en
  • CH181334A - Two-stage press pump with time-graded triggering to take effect on the two pressure stages. : de en
  • DE622963C - Process for aerating liquids with gases : de en
  • GB439765A - Improvements in or relating to pocket rings for ball game tables : en
  • GB439784A - Method of improving gelatine : en
  • US2023592A - Coin chute : en
  • US2023696A - Nozzle for burning comminuted coal and like : en
  • FR791446A - Electric switches operated by means of keys, in particular for automobiles : en fr
  • GB439561A - Improvements in or relating to acoustic reproducers : en
  • GB439683A - Improvements in or relating to packing and shipping boxes or like receptacles : en
  • FR791407A - Condenser tubes : en fr
  • GB439723A - Improvements in smoking pipe : en
  • US2023425A - Waterproofing of masonry walls : en
  • US2023821A - Water motor : en
  • US2024126A - Grease gun : en
  • FR791572A - Mechanical chapler hammer : en fr
  • GB439950A - Improved means of controlling hoisting and lowering over-run switches, or limit switches, of electrically or power driven cranes : en
  • GB439559A - Improvements in methods and apparatus for recording sound : en
  • GB439777A - Process for the preparation of dry rubber in finely divided solid condition by spraying latex in a drying atmosphere : en
  • US2023573A - Sidewalk sign : en
  • US2023760A - Rotor flying machine : en
  • DE622856C - Aviation and artillery observation equipment : de en
  • DE623134C - Device to increase the deflection sensitivity of the electron beam from Braun's tubes in relation to electrical or magnetic fields to be examined : de en
  • US2024081A - Composite picture mat : en
  • AU2245735A - Improvements in reversible seat and squab fitments for passenger and freight automobiles : en
  • CH181246A - Process for the preparation of a 1,3-dibromo product of a 2-aminoanthraquinone monosulfonic acid. : de en
  • USD97758S - Design fob a textile fabric : en
  • DE622901C - Flat weft knitting machine with a device for automatic, pattern-based changing of the ditch depth : de en
  • FR791422A - Spool holder for film reel cameras : en fr
  • FR791529A - Table utensil for pressing grapes and other fruits, which can also be used to prepare infusions : en fr
  • AU2155935A - Improvements in tipping mechanism for tippable body motor vehicles and the like : en
  • FR45834E - Garbage truck : en fr
  • FR45840E - Improvements to threading or tapping machines and other similar machines : en fr
  • FR791501A - Device for automatically switching on or off the position lights of vehicles : en fr
  • FR791576A - New Water Insoluble Azo Dyes and Method of Preparation : en fr
  • GB439793A - Process of and apparatus for the production of foils and like planiform structures from formylcellulose : en
  • AT143912B - Diaphragm assembly. : de en
  • DE623142C - Brick : de en
  • FR791495A - Device for distributing gaseous substances in liquids : en fr
  • GB439779A - Improvements in or relating to the induction systems of internal combustion engines : en
  • AT143804B - Device for measuring, dosing, filling, mixing or separating liquids for chemical, physical and medical purposes. : de en
  • CA354714A - Hide, skin and leather treating machine : en fr
  • FR791389A - Etching process for intaglio printing using silver halide pigment layers : en fr
  • FR791408A - Dryer : en fr
  • US2023600A - Windshield heater : en
  • CH181308A - Machine for the production of sawdust from rind and flakes. : de en
  • FR791486A - Novel alkylated and aralkylated polyaminoanthraquinones and their preparation process : en fr
  • FR791663A - Improvements to television receivers : en fr
  • GB439484A - Improvements in and relating to devices for applying a predetermined variable torqueto rotatable bodies : en