• US2088175A - Method and apparatus for duplicating records : en
  • US2088448A - Woven wire belt for paper making machines : en
  • US2088502A - Insulating bushing for electrical apparatus : en
  • US2088156A - Wheel or gear puller : en
  • CA367652A - Shock absorbent aircraft strut : en fr
  • CA367583A - Optically active compound : en fr
  • CA367614A - Button sewing machine : en fr
  • CH192248A - Self-sellers of electricity. : de en
  • US2087924A - Highway crossing signaling system : en
  • CA367563A - Electrical socket : en fr
  • BE422062A - : en
  • CA367596A - Brake valve : en fr
  • CH192094A - Covering for outdoor facilities, in particular playgrounds and sports fields, and sidewalks. : de en
  • US2087994A - Aluminum-base alloys : en
  • US2088299A - Heating apparatus : en
  • FR816015A - Advanced spark plug : en fr
  • US2088197A - Brick and stone drill : en
  • US2088353A - Complex metal compounds of azo dyestuffs and process for their production : en
  • CH192205A - Method and device for regulating the output of compressors, in particular for refrigerating machines. : de en
  • US2087881A - Fastening : en
  • US2088511A - Footwear : en
  • CH192170A - Cinematographic projector. : en fr
  • USD105469S - Design for a dress : en
  • DE648401C - Heat exchanger : de en
  • GB469468A - Improved sound transmitting device for diffusers, loud-speakers and like apparatus : en
  • CA367629A - Radio signaling system : en fr
  • CA367664A - Asbestos-cement agglomerate : en fr
  • US2088131A - Means for expanding hollow bodies : en
  • US2088171A - Box : en
  • US2087944A - Box or basket : en
  • US2088063A - Scribing device : en
  • US2088129A - Clamp for use in vulcanizing : en
  • US2087943A - Track circuit for railroads : en
  • AT150240B - Photoelectric cell. : de en
  • AU101649B2 - Improved process forthe emulsification of tars : en
  • AU283826A - An improved process of treating megass fibres preparatory to pulp board making : en
  • US2087883A - Brick wall construction : en
  • CA367616A - Tractor coupler : en fr
  • DK53351C - Open lighting fixture. : da en
  • DE647836C - Pressure regulator for control lines of vehicles : de en
  • CH192126A - Dyeing machine for treating textile products. : de en
  • AU101651B2 - Method and apparatus for conditioning air andother gases : en
  • US2088160A - Brooder control : en
  • AU289136A - Improvements in electric lighting devices for stairways, aisles andthe like : en
  • US2088507A - Car loading device : en
  • AT150207B - Cooling system for freezing plates of artificial ice rinks, breweries etc. like : de en
  • CA367586A - Extensible electric cable : en fr
  • CH192305A - Process for the preparation of an oil-soluble bismuth salt. : de en
  • DE648373C - Process for the production of azo dyes : de en
  • AU101619B2 - Improvements in processes for rendering wool material unshrinkable : en
  • CH192221A - Process for the release of energy with the aid of a gaseous operating medium that is pressurized by heat. : de en
  • AU282436A - Improvements in piston pumps intended for the pauseless, uniform movement of*liquids or gases : en
  • CH192183A - Device for determining the turbidity or opacity of liquids. : en it
  • CA367558A - Automobile heater : en fr
  • US2088052A - Coating composition : en
  • US2088477A - Temperature control system : en
  • FR815907A - Superheterodyne receiver : en fr
  • GB469678A - Improvements relating to operating mechanism for vehicle brakes : en
  • US2088050A - Toilet structure : en
  • US2088022A - Derivatives of 2-mercapto-arylthiazoles : en
  • US2088456A - Express boiler : en
  • DE648322C - Wooden shutter with exchangeable filler bars when the frame is closed : de en
  • DE648348C - Sheet separating and conveying device : de en
  • FR815938A - Improvements to compressors, boosters, pumps and similar rotary machines : en fr
  • CA367598A - Acetic anhydride : en fr
  • US2088110A - Transmission mechanism : en
  • US2088333A - Azo dyes and their production : en
  • USD105434S - Design fob a shoe heel : en
  • US2088379A - Manufacture of tools for truing grinding wheels : en
  • US2088265A - Dies for the manufacture of metal wheels : en
  • US2088275A - Magnetic track brake : en
  • CH192104A - Process for producing a solid, durable fuel. : de en
  • US2088041A - Apparatus for studying x-ray films and the like : en
  • USD105433S - Design for a tablecloth or similar : en
  • AU101657B2 - Concentration of ores by electromagnetic separation : en
  • CA367561A - Grease seal : en fr
  • CH192292A - Needle loom. : en fr
  • DE648469C - Gyroscope : de en
  • FR816102A - Apparatus for forming clothes : en fr
  • US2087926A - Segmental dual-faced sectionaltype brake shoe : en
  • CH192250A - Microphone. : de en
  • US2088106A - Method of making bus duct : en
  • ES143732A2 - IMPROVEMENTS MADE IN THE OBJECT OF THE MAIN BASE NUMBER 142918 : en es
  • US2088124A - Condenser : en
  • FR47830E - Igniter-extinguisher : en fr
  • GB469496A - Improvements in and relating to fountain pens : en
  • US2087931A - Brick construction : en
  • US2088409A - Electric translating circuits : en
  • DE648445C - Screen covered with fluorescent fabrics for lighting purposes : de en
  • DE648403C - Signal receiver for telephone systems : de en
  • DK53360C - Fisherman cleaning machine. : da en
  • GB469522A - Improvements in and relating to containers for rolls of paper or the like : en
  • GB469591A - Improvements in and relating to railway rail lubricators : en
  • GB469557A - Improvements in or relating to composite aircraft : en
  • GB469716A - A process for forming concrete piles in situ : en
  • GB469465A - Improved process for the opening up of cellulosic vegetable materials, more particularly straw : en
  • GB469481A - Improvements in or relating to switches for converting electric currents : en
  • US2088417A - Method of securing light fastness in transfer copies : en
  • GB469414A - Improvements relating to apparatus for automatically controlling the current in an alternating current circuit : en
  • GB469747A - Improvements in roller-and-breast bar mills : en
  • FR815920A - Apparatus used to create a sheet of secondary air and steam above a fireplace : en fr
  • ES143731A1 - Procedure for the purification of caustic soda lyes. : en es
  • GB469500A - Improvements in or relating to packing or wrapping machines : en
  • DK53378C - Press form. : da en
  • FR816049A - Improvements in processes for the manufacture of liquid hydrocarbons from gaseous hydrocarbons : en fr
  • FR816059A - Manufacturing process for dentures or other porcelain objects : en fr
  • GB469413A - Improvements in operating mechanism for electric switchgear : en
  • GB469659A - Improvements combining optical illusions of movements and displacements of images, with actual movements produced simultaneously in relation to action-studies and amusements : en
  • CA367619A - Altimeter for aircraft : en fr
  • GB469639A - Improvements in or relating to the cylinders and scavenging means of two-stroke internal combustion engines : en
  • US2088252A - Vertical retort for : en
  • US2088439A - Impedance regulating system : en
  • DE648286C - Lock for car doors : de en
  • US2088214A - Process of hydrogenating carbonaceous materials : en
  • US2088010A - Capping device : en
  • FR47808E - Impermeable plastic material for floor, pavement and other coverings, capable of being colored in any desired shade : en fr
  • DK53369C - Procedure for soldering hollow bodies. : da en
  • GB469634A - Improvements in accelerators of vulcanization : en
  • US2088561A - Liquid tire cover : en
  • US2088158A - Method of lining shoe uppers : en
  • US2088492A - Card baseball game : en
  • USD105388S - Design for a textile fabric for : en
  • ES143762A1 - An appliance with an electric discharge lamp. : en es
  • CH192162A - Device for the production of flexible beads in cardboard or the like. In a continuous operation. : de en
  • US2087897A - Woodworking machine : en
  • AU101656B2 - Manufacture of new oxy-ketones and their esters : en
  • IE14999L - Engine mounting in motor vehicles : en
  • US2088174A - Valve operating mechanism : en
  • FR816031A - Temperature regulator for hair dryers : en fr
  • FR815913A - Magnetic igniter, including twin igniter : en fr
  • FR815935A - Installation for the self-excitation of three-phase generators : en fr
  • USD105442S - Design for a casket table for : en
  • DE648461C - Headlights, especially for motor vehicles : de en
  • GB469755A - Improvements in and relating to electric, astatic regulating arrangements : en
  • FR816135A - Improvements to radio signaling systems : en fr
  • GB469698A - Electro-mechanical periodically winding device for winding the spring of a clockwork mechanism : en
  • GR6689B - WATER SUPPLY (RUBINETO) DIPLE TUBES. : el en
  • US2088445A - Circuit breaker testing arrangement : en
  • FR47849E - Heavy oil fireplace : en fr
  • FR816075A - Addressing machine : en fr
  • GB469614A - Improvements in or relating to the mounting of internal combustion engines : en
  • FR47840E - Rotary dryer : en fr
  • FR816008A - Improvements to clothing effects : en fr
  • DE648269C - Electric light bulb for series connection : de en
  • FR815911A - Process for preparing condensation products suitable as ingredients for the varnish and other industries : en fr
  • US2088462A - Reservoir cooking utensil : en
  • AU101604B2 - Improvements in piston pumps intended for the pauseless, uniform movement of*liquids or gases : en
  • CH192140A - Process for the manufacture of starch glue products. : de en
  • CH192260A - Device for the electrical transmission of images. : de en
  • CH192294A - Preparation for printing textile fabrics. : de en
  • DE648418C - Ten switching device for calculating machines, especially cash registers : de en
  • US2087987A - Maximum demand watt-hour meter seal and reset device : en
  • US2088133A - Wire tying machine : en
  • US2087950A - Electrical attenuator : en
  • USD105386S - Design for a textile fabric for : en
  • ES143766A1 - IMPROVEMENTS IN THE MANUFACTURE OF MEDIA TO STIMULATE PLANT GROWTH : en es
  • FR815963A - Improvements to firecrackers and other fog signals for railways and similar applications : en fr
  • US2087977A - Wringer : en
  • US2088085A - Production of stable and efficient foam : en
  • FR816039A - Diversion device for lane changes : en fr
  • GB469633A - The manufacture of polycyclic condensation products : en
  • US2088497A - Process and apparatus for contacting fluids : en
  • US2088083A - Method fob the recovery of : en
  • CH192169A - Transfer paper for lithographic purposes. : de en
  • DE648299C - Circuit arrangement for telephone systems with several branch points lying on a connecting line : de en
  • GB469523A - Improvements in and relating to continuous clay cutters : en
  • DE648362C - Light alloy bike frame : de en
  • GB469731A - Improvements in or relating to combinations of electric discharge devices with materials excited to luminescence by the electric discharge : en
  • GB469435A - Improvements in or relating to the treatment of hydrocarbon oils by fractional distillation and pyrolytic conversion : en
  • GB469617A - Improvements relating to and apparatus for the coating of articles with metal : en
  • DE648409C - Oil burner with a circumferential atomizer head widening approximately conically after the combustion chamber : de en
  • GB469506A - Improvements in ash trays or like receptacles : en
  • DE648346C - Hand welding and soldering torch : de en
  • AU101633B2 - Improvements in pneumatic surfing and swimming devices : en
  • DE648374C - Process for the preparation of water-insoluble disazo dyes : de en
  • DE637276C - Two-part wound dressing : de en
  • US2088374A - Method of treating food products : en
  • US2088508A - Brace for moldboard plows : en
  • USD105390S - Design for a textile fabric for : en
  • DE648392C - Resistance starter equipped with a circuit switch for operating electric toy trains : de en
  • DE648416C - Scaffolding pipe clamp : de en
  • US2088501A - Signaling device : en
  • USD105466S - Design for a textile fabric : en
  • AT150204B - Combustion turbine. : de en
  • BE422255A - Improvement in skin hair removal : en fr
  • AT150234B - Device for testing AC switches. : de en
  • AT150233B - Quick switch with lamellar locking mechanism. : de en
  • GB469410A - Improvements in or relating to electric arc gap arrangements with electrodes adapted to operate in streaming extinguishing means : en
  • GB469543A - Improvements in, or relating to, contact-members for electrical switches of the smaller kind : en
  • US2088008A - Gripping handle for golf clubs : en
  • US2088032A - Fully-compensated remote-reading thermometer : en
  • DK53357C - Procedure for the Preparation of Taver of Animal Skin Substance. : da en
  • US2088195A - Ore burner : en
  • US2088488A - Articulated car : en
  • USD105372S - Design for an ironing machine : en
  • US2087923A - Tread and method of assembling the same : en
  • FR815908A - Process for preparing methacrylic amide : en fr
  • AT150220B - Process for manufacturing incandescent lamp bases. : de en
  • AT150222B - Vibration damper. : de en
  • CA367625A - Glass plate tempering furnace : en fr
  • CH192238A - Shielding device on electric lamps for darkening purposes. : de en
  • AT150281B - Process for the production of sintered hard alloys. : de en
  • DE648253C - Bundle of clothing or the like : de en
  • BE422090A - : en
  • CH192142A - Process for producing a clarifying (fining) agent. : de en
  • US2088086A - Typewriter platen shift lock release : en
  • AU101630B2 - Improvements relating to saddles or seats for cycles andthe like : en
  • CA367682A - Hollow forged valve : en fr
  • AT150215B - Process for the production of refractory pipes. : de en
  • DE648248C - Electric roller : de en
  • FR816032A - Adjusting device for cameras : en fr
  • USD105456S - Design for a dress ensemble : en
  • CA367680A - Hollow forged valve : en fr
  • CH192189A - Machine tool with a work table that can be moved to and fro and a tool slide that can be adjusted opposite it. : de en
  • CH192264A - Ad sheet for premises for rent. : en fr
  • DE648460C - Repeatedly ignitable ignition stick : de en
  • DE648160C - Multi-stage metal gap filter, especially for vehicle engines : de en
  • CA367601A - Elastic yarn : en fr
  • CA367672A - Auxiliary air intake device : en fr
  • CH192200A - Gate valve to be installed in lines for high-tension gases or liquids. : de en
  • ES143787A1 - An appliance with an electric discharge lamp. : en es
  • FR815992A - Safety clasp for earrings and other precious objects : en fr
  • DE648279C - Connecting link between a spiral spring end and the part of a centrifugal pendulum under the action of the spiral spring : de en
  • FR816030A - Self-propelled nut wrench : en fr
  • FR816078A - Apparatus for the continuous crystallization of solutions by evaporation or cooling : en fr
  • CA367573A - Alumina recovery : en fr
  • FR815925A - Rotary wing aircraft : en fr
  • DE648325C - Control element for deflagration chambers, in particular of internal combustion turbines, which can be adjusted by a tensioned pressure medium : de en
  • FR816138A - Mode of presentation of literary texts : en fr
  • US2088545A - Electric discharge lamp : en
  • AT150270B - Liquid thermometer with auxiliary thermometer for measuring the temperature of the thread of the main thermometer protruding from the undisturbed temperature field. : de en
  • CA367627A - Glass tempering apparatus : en fr
  • US2088264A - Apparatus for systematic driving instruction : en
  • ES143728A1 - A process for the catalytic transformation of mixtures of hydrogen and carbon oxide. : en es
  • US2088471A - Printing roll : en
  • US2088482A - Vacuum cleaner : en
  • CH192137A - Improvement on shoes with a steel spring inserted in the joint part of the sole. : de en
  • US2088157A - Wrapping machine : en
  • USD105451S - Design for a vehicle ornament : en
  • FR815979A - Method and device for receiving the bodies of metal cans and for carrying them to a mandrel for welding or stapling : en fr
  • US2088432A - Frequency converter circuit : en
  • USD105387S - Design fob a textile fabric fob : en
  • FR47809E - : fr
  • FR816061A - Process for making designs on flat textile fabrics, containing cellulose : en fr
  • US2088021A - Saturated tetradecyl oxygenated compounds : en
  • CA367574A - Mechanical movement : en fr
  • GB469551A - Improvements in and relating to beating engines for paper pulp : en
  • FR815983A - Internal combustion engine operating a generator : en fr
  • GB469623A - Improvements in and relating to spinning pots for artificial silk and the like : en
  • AU527336A - Manufacture of arsenobenzene mono sulphoxylates : en
  • DE648388C - Method and machine for forming soles : de en
  • ES143763A1 - An electric discharge lamp. : en es
  • AU101612B2 - Improvements in or relating to beacons for aircraft andthe like : en
  • US2088294A - Sand trap : en
  • US2088319A - Container : en
  • US2088360A - Making alcoholic liquors : en
  • US2088196A - Machine for printing on bottles : en
  • US2088246A - Floor washing machine : en
  • GB469439A - Improvements in or relating to mechanism for opening and closing doors or the like : en
  • US2088140A - Metal primer : en
  • DE648384C - Switching device for advertising equipment, bus stop indicators and. like : de en
  • FR47842E - Vat dyes and their preparation process : en fr
  • ES143788A1 - A PROCEDURE FOR COLORING MAGNESIUM AND ITS ALLOYS BY ATTACK : en es
  • US2088347A - Manufacture of anhydrides of citraconic acid and itaconic acid : en
  • US2087896A - Adjustable limit gauge : en
  • DE648464C - Wire drawing machine with fixed winding drum : de en
  • GB469729A - Improvements in electrolytic condensers : en
  • FR47813E - Gas mask with microphone : en fr
  • US2088207A - Headrest : en
  • US2088327A - Azo dyestuffs and process of preparing them : en
  • GB469420A - Improvements in or relating to cathode ray tubes : en
  • FR815988A - Improvements in hardening processes for magnesium-based alloys : en fr
  • FR816140A - Improvements to two-stroke internal combustion engines, featuring a warm anteroom : en fr
  • GB469550A - Improved method of and apparatus for producing ammunition shell and like cases : en
  • FR816099A - Aircraft upgrades : en fr
  • GB469457A - Improvements in dyeing : en
  • DK53358C - Springy Insoles for Mattresses. : da en
  • DE648303C - Ruettelforming machine : de en
  • DE648342C - Conveyor system with a self-contained apron conveyor without tensioning device : de en
  • GB469758A - Improvements in infinitely variable power transmission gears : en
  • US2088542A - Automatic coating machine : en
  • DK53363C - Hydraulic Brake for Garden Irrigation Turbines. : da en
  • DK53362C - Stove. : da en
  • FR815901A - Electro-mechanical wave filters : en fr
  • GB469584A - Improvements in or relating to electric discharge tubes : en
  • US2087904A - Display cabinet : en
  • US2088455A - Weaving form : en
  • CA367671A - Umbrella holder for vehicles : en fr
  • CH192255A - Telephone system with amplifiers. : de en
  • ES143768A1 - Improvements in fixing arrangements. : en es
  • GB469514A - An improved process of distilling tar with the production of a greatly increased amount of liquid distillates : en
  • GB469697A - Improvements relating to spring forks for cycles and like vehicles : en
  • US2088367A - Manufacture of polymerization products from aldols : en
  • US2088479A - Method of making a gum deflocculant from gum karaya and like for paper-fiber and theproduct : en
  • CA367631A - Unsaturated organic compound processing : en fr
  • GB469619A - Improved apparatus for making blocks from pulverulent material : en
  • US2088165A - Production of metals : en
  • US2088127A - Telescopic umbrella : en
  • US2088135A - Car coupler : en
  • US2088368A - Gas generator : en
  • US2088190A - Method and apparatus for extracting sulphur from sulphur-bearing material : en
  • US2088378A - Pin roll : en
  • US2088426A - Fire hydrant : en
  • US2088365A - Container band and fastener : en
  • US2088461A - Frequency stabilizing circuit : en
  • FR47831E - Trunk lock with pull lock placed under the action of a spring : en fr
  • FR816005A - Improvements in processes to suppress dust : en fr
  • US2088023A - Air regulating apparatus : en
  • FR816131A - Pressure straightening machine for hard material surfaces : en fr
  • GB469510A - Apparatus for scoring games : en
  • ES143719A1 - A procedure to regulate the temperature when performing the catalytic synthesis of hydrocarbons. : en es
  • USD105376S - Design for a shoe : en
  • GB469425A - Improvements in or relating to shortpath high-vacuum distillation : en
  • GB469541A - Improvements in or relating to the manufacture of monocarboxylic acids : en
  • GB469454A - Improvements in dough moulding machines : en
  • US2087900A - Chewing gum base : en
  • DE648423C - Valve housing upper part : de en
  • FR816115A - Ladies jersey : en fr
  • CH192112A - Lowering device on tables for office machines. : de en
  • GB469757A - Sound-recording apparatus and record disc : en
  • FR816052A - Method for manufacturing a number roller, for example for counting mechanisms, and number roller according to the method : en fr
  • FR815921A - Spark plug insulators : en fr
  • FR816044A - Guide trough for the product being rolled in the rolling mills : en fr
  • GB469877A - Improvements relating to the electrostatic separation of particles : en
  • US2088431A - Loose leaf binder and sectional ring therefor : en
  • DE648462C - Roller cover for headlight-like lighting devices : de en
  • IE14506L - Electric discharge lamps : en
  • GB469562A - Process for the manufacture of polyazodyestuffs : en
  • US2088423A - Corset : en
  • US2088558A - Manufacture of soft luster filaments : en
  • CA367560A - Tire pressure gauge : en fr
  • CA367568A - Acetylene recovery : en fr
  • US2087942A - Cork composition : en
  • US2087949A - Electrical attenuator : en
  • FR815982A - Method of manufacturing silk fiber and apparatus allowing the realization : en fr
  • GR6685B - HORSE MOBILE GRAIN COLLECTION MACHINE ETC. : el en
  • DE648454C - Device for measuring the amplitude of alternating voltages with the aid of direct current instruments and three-electrode tubes : de en
  • AU332936A - Improvements in pneumatic surfing and swimming devices : en
  • CA367556A - Vacuum discharge vessel : en fr
  • US2087972A - Furnace : en
  • DE648415C - Water flow battery arranged in the upper part of a hot water storage tank : de en
  • FR815904A - High frequency electromagnetic wave transmission system : en fr
  • FR815966A - Hair dryer : en fr
  • FR815994A - Key with variable opening, for mounting and removing castle nuts : en fr
  • GB469476A - Improvements in the treatment of cellulosic material : en
  • GB469631A - Improvements in gas or vapour-filled electric discharge tubes and in devices comprising such tubes : en
  • GB469409A - Improvements in or relating to photo-electric electron discharge devices : en
  • GB469593A - Process of removing magnesium from aluminium alloys containing magnesium : en
  • GB469589A - Improvements in or relating to wireless antennae : en
  • GB469752A - Improvements in or relating to electric indicating apparatus : en
  • US2087964A - Sleeping car construction : en
  • GB469579A - Image suppression system for superheterodyne radio receivers : en
  • FR816000A - Permanent corrugation method and device : en fr
  • US2088280A - Heating attachment fob stoves : en
  • FR816001A - Servo-adjustment for hydraulic piston transmissions : en fr
  • GB469761A - Improvements in or relating to method of and means for electric signalling : en
  • FR47846E - Process for dyeing furskins, animal hair, feathers and products obtained from these materials : en fr
  • AU463836A - Chemical Substances and use thereof : en
  • ES143786A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN STAIN NUMBER 143689 : en es
  • FR815903A - Signal control system for railways or the like : en fr
  • FR816144A - Devices for improving the tone of microphones and loudspeakers : en fr
  • GB469594A - Improvements in and relating to the manufacture of composite metal bodies : en
  • FR47818E - ignition electrodes for liquid cathode discharge tubes : en fr
  • USD105394S - Design for a sugar bowl : en
  • US2088011A - Spindle : en
  • USRE20456E - Thumb guard and rest for pistols : en
  • FR816006A - Improvements made to the means for ensuring the exhaust of gases at high temperature, in particular on the exhaust pipes of engines : en fr
  • CA367673A - Pulp consistency determining apparatus : en fr
  • AT150211B - Electric discharge tube. : de en
  • US2088056A - Needle sharpening device : en
  • US2088485A - Safety apparatus for rail vehicles : en
  • ES143734A2 - IMPROVEMENTS MADE IN THE MAIN OBJECT NUMBER 143516 : en es
  • AU101618B2 - Amplitude regulation of synchronising impulses in television and like receivers : en
  • AU101660B2 - An improved device for the periodic opening or closing of electric circuits : en
  • FR47814E - Coupling device for obtaining a sawtooth plot of the characteristic of a current : en fr
  • FR816101A - Optical printer for color cinematography : en fr
  • GB469607A - A method and apparatus for the carbonisation of coal or like carbonaceous material : en
  • DE648324C - Method for determining the strength of substances that can be crushed by grinding : de en
  • DE648209C - Chip clearer for sound recording devices : de en
  • GB469610A - Improvements in or relating to dry electric rectifiers : en
  • US2088128A - Toy building elements : en
  • GB469663A - Improvements in and relating to the stabilisation of nitrates of carbohydrates : en
  • GB469719A - An improved universal joint : en
  • DE648400C - Spring spar with toothing for patrix setting and line printing machines : de en
  • US2088004A - Motor governor : en
  • US2088407A - Rubber-like materials and process for preparing same : en
  • USD105418S - Design fob a juvenile vehicle : en
  • GB469560A - Improvements in or relating to cinematographic film spools : en
  • USRE20457E - Wheel anx axle structure : en
  • GB469508A - Improvements relating to water closet systems : en
  • US2088173A - Breakdown-firearm : en
  • FR816017A - Process for manufacturing fresh herbal preparations : en fr
  • GB470001A - Improvements relating to step-by-step electrical transmitters : en
  • CH192091A - Snowplow device. : en fr
  • CH192222A - Separator for accumulators. : de en
  • DE648236C - Vessel for making paste from powder : de en
  • AT150247B - Method for connecting ceramic bodies to other bodies, in particular for use in the manufacture of electrical capacitors. : de en
  • CH192176A - Drum magazine for automatic firearms. : en fr
  • AT150202B - Nozzle for blasting machines. : de en
  • CA367644A - Record display device : en fr
  • CH192300A - Process for the preparation of N-B-diethylaminoethylanthranilic acid butyl ester. : de en
  • DE648442C - Arrangement for generating several alternating voltages which are in a certain phase relationship to one another and which can be shifted together in the phase position : de en
  • FR816050A - Metal discharge bulbs : en fr
  • GB469490A - Process for the manufacture of a dried milk preparation suitable for infants : en
  • GB469720A - Improvements in or relating to safety razors : en
  • CA367590A - Automobile robe support and bracket : en fr
  • AT150299B - Process for the production of compounds containing rubber. : de en
  • FR816038A - Fence system made up of elements in the form of translucent blades assembled to allow air and light to pass through : en fr
  • GB469480A - Improvements in spigot-and-socket pipe joints : en
  • CA367617A - Cellular material : en fr
  • US2088034A - Amplifying arrangement comprising tunable circuits : en
  • US2087917A - Mixing machine : en
  • US2087936A - Method of breaking emulsions : en
  • US2087935A - Electric switch : en
  • AT150225B - Luminaire holder for electric light bulbs. : de en
  • US2088114A - Air filter and humidifier : en
  • US2088341A - Springing arrangement for motor cars and the like : en
  • CA367654A - Confectionery article manufacture : en fr
  • CH192298A - Bracket for hanging and weighting films. : de en
  • US2088151A - Bailer or clean-out tool and method : en
  • US2088474A - Translating apparatus : en
  • CH192283A - Rail vehicle underframe with a drawbar frame having at least one axis. : de en
  • CA367606A - Train control system : en fr
  • FR815937A - Automatic clutch and disengagement for electric control of motor-driven circuit breakers : en fr
  • CH192295A - Stiffening device on soft or semi-soft collar. : de en
  • DE634892C - Process for decolorizing sugar juices : de en
  • DE648390C - Target : de en
  • US2087911A - Shingle : en
  • US2088065A - Dialing device : en
  • CH192145A - Method and device for high vacuum distillation. : de en
  • GB469396A - Improvements relating to the application of wickerwork or like covering material to the frames of chairs or other articles of furniture : en
  • GB469422A - Improvements in or relating to the preparation of pigments for enamels, laquers, inks and the like : en
  • IE14561L - Veneers : en
  • US2088339A - Optical abbangement fob tjse in : en
  • US2088523A - Multicolor photographic material : en
  • US2087988A - Aluminum-base alloys : en
  • USD105408S - Design for a belt for personal wear : en
  • AU101620B2 - Electro optical systems : en
  • CH192273A - Power transmission device for land vehicles. : de en
  • DE648391C - Gas pressure charger : de en
  • DE648441C - Process for the manufacture of semiconductor resistor masses : de en
  • BE422078R - : fr
  • USD105467S - Design for a textile fabric : en
  • US2088258A - Game : en
  • ES143755A1 - Improvements in the means of balancing alternative machines, especially fan or star motors. : en es
  • CA367655A - Inkstand set : en fr
  • AU464636A - Manufacture of new oxy-ketones and their esters : en
  • AU392336A - Method and apparatus for conditioning air andother gases : en
  • CA367677A - Valve bag : en fr
  • CH192254A - Circuit arrangement for automatic or semi-automatic telephone systems with voice current amplifiers. : de en
  • CH192245A - Equipment on reclining furniture for raising the upper body of lying people. : de en
  • US2088331A - Food for infants and the like and the process of making same : en
  • GB469507A - Improvements in and relating to knitting machines : en
  • US2088364A - Electromagnetic separator device : en
  • CA367620A - Flotation separation apparatus : en fr
  • CH192151A - Process for the production of a new textile auxiliary. : de en
  • CH192204A - Device for adapting the operation of at least one compressed fluid generator to that of at least one receiving machine. : en fr
  • USD105405S - Design for a clip : en
  • FR815985A - Process for printing negatives of different blackening amplitude on the same photographic paper : en fr
  • CH192081A - Method for protecting fur, feathers, hair, fibrous materials and other goods against pests. : de en
  • US2088453A - Automobile frame : en
  • DE648260C - Process for the production of fertilizers : de en
  • USD105414S - Design for a clock casing : en
  • CH192234A - Multi-phase high-voltage converter for heavy current with linearly moving contacts. : de en
  • USD105407S - Design for a pin brooch : en
  • FR816046A - Installation process of sound absorbing materials : en fr
  • AU101659B2 - Manufacture of arsenobenzene mono sulphoxylates : en
  • CA367633A - Glass article tempering method : en fr
  • BE422070A - : en fr
  • CH192127A - Washing machine that can be used as a centrifuge. : de en
  • US2088254A - Cooling apparatus : en
  • CH192154A - Process for the preparation of a pyrene derivative. : de en
  • CH192258A - Method and circuit arrangement for the wireless transmission of messages to receiving stations with temporary operational readiness. : de en
  • GB469638A - Manufacture of new vat dyestuffs : en
  • AU543636A - An improved device for the periodic opening or closing of electric circuits : en
  • CH192188A - Device for displaying the positions in which at least one actuator of a machine tool is to be set. : de en
  • AT150209B - Catalyst for detoxifying and eliminating odors from exhaust gases from internal combustion engines. : de en
  • BE422206A - : en
  • CH192297A - Process for the preparation of a nitrogen- and sulfur-containing condensation product. : de en
  • FR816035A - Footwear and its manufacturing process : en fr
  • GB469545A - Improvements in or relating to machines for grading, evening and marking boot or shoe parts or similar articles : en
  • GB469546A - Improvements in or relating to sand-blast or the like : en
  • GB469658A - Improvements in or relating to non-skid tread devices for vehicle wheels : en
  • CA367641A - Carrier wave transmission system : en fr
  • GB469556A - Improvements in a method of and machine for marking leather and the like : en
  • DE648212C - Arrangement for the analytical determination of electrochemically reactive gases : de en
  • DE648283C - Tires for motor vehicles with coolant filling : de en
  • DE648468C - Centrifugal machine, in particular steam or gas turbine : de en
  • GB469616A - Improvements in or relating to the shaping of cover members for abrading or like tools and in or relating to means suitable for use in performing such shaping : en
  • GR6697B - METHOD OF DRYING RAISIN. : el en
  • US2088178A - Receiver gain control circuit : en
  • CH192088A - Guiding device for blinds, blinds, tarpaulin roofs on cars or tents, car radiator covers, etc. : de en
  • CH192191A - Guide tube with guide bushes arranged in its interior for rotating material bars. : de en
  • AT150282B - Electrical contact materials for switch contacts and electrodes for the spot welding process. : de en
  • AU288136A - Improvements in or relating to shoe-upper conforming machines andin actuating mechanisms suitable for use in such machines : en
  • GB469595A - Water tube steam boiler : en
  • GB469427A - Improvements in or relating to television and the like systems : en
  • ES143617A1 - A procedure for the production of valuable liquid hydrocarbons. : en es
  • CH192246A - Bulb. : en fr
  • US2088235A - Electronic tube : en
  • US2088316A - Liquid fuel feed system : en
  • US2088366A - Mop : en
  • FR815944A - Electric igniter : en fr
  • CH192212A - Fuel valve cooling device on injection internal combustion engines. : de en
  • FR816134A - Oil scraper device for pistons in engines, compressors and other applications : en fr
  • GB469672A - Improvements in and relating to the driving of magneto electric devices : en
  • DE648298C - Device for roughening asphalt pavement u. Like. By embossing impressions in the asphalt or such a substance : de en
  • US2088040A - Method of and apparatus for wiredrawing : en
  • US2088054A - Calcbiiating machine : en
  • US2088325A - Flotation process : en
  • FR816053A - Process for making molded objects : en fr
  • ES143727A1 - A process for the conversion of carbon monoxide with hydrogen into hydrocarbons or their oxygenated derivatives. : en es
  • USD105458S - Design for a combined power unit : en
  • DK53365C - Two-stroke internal combustion engine with socket slider control. : da en
  • GB469732A - Improvements in or relating to combinations of electric discharge devices and materials excited to luminescence by the electric discharge : en
  • CA367600A - Pitman : en fr
  • DK53364C - Hand milking machine. : da en
  • FR47843E - Process for chrome tanning : en fr
  • ES143752A1 - PROCEDURE FOR OBTAINING CONDENSATION PRODUCTS : en es
  • GB469636A - Process and apparatus for utilising and measuring variations of illumination : en
  • US2088118A - Cutting cylinder : en
  • US2088163A - Control device : en
  • GB469547A - Improvements in trim indicators for ships, aircraft or the like : en
  • CA367592A - Oil burner : en fr
  • US2088031A - Paper cartridge and method of and means for treatment thereof : en
  • USD105422S - Design for a textile fabric : en
  • FR816150A - Process for the production of tablets which break down easily in water from glucose : en fr
  • US2088230A - Automatic volume control circuit : en
  • US2088335A - Insect feeder : en
  • FR815956A - Method and device for presenting an illuminated sign, or the like, repeated with multiple reflections having a stereometric effect : en fr
  • GB469618A - Improvements in carrying out reactions of oxides of carbon with hydrogen : en
  • US2088142A - Brake rigging for railway car trucks : en
  • AT150298B - Process for the preparation of a bituminous mixture for paving. : de en
  • AU101642B2 - Improvements in. and relating to-brick and tile making machines andthe-like : en
  • US2088099A - Apparatus for mixing concrete and the like : en
  • US2088103A - Method and apparatus for heating : en
  • US2088012A - Apparatus for vacuumizing : en
  • US2088035A - Synthetic resin composition : en
  • US2088393A - Glass grinding apparatus : en
  • US2088212A - Elevator control mechanism : en
  • GB469585A - Improvements in or relating to machines for shaping the ends of glass receptacles and tubes : en
  • FR816003A - Improvements to the drive mechanism of sound recording or reproducing devices : en fr
  • GB469599A - Improvements in or relating to means for producing multiple flash signals : en
  • DE648247C - Process for making peeled malt : de en
  • DE1412476U - : de en
  • US2088323A - Refrigerating apparatus : en
  • DE648367C - Process for dyeing leather : de en
  • US2088149A - Display cabinet : en
  • USD105432S - Design for a coat or similar article : en
  • GR6686B - IMITATION OF TILE ROOMS WITH HOUSING AND INSULATION PROPERTY. : el en
  • US2088130A - Tire retreading mold : en
  • US2088317A - Electric discharge tube testing and measuring circuit : en
  • FR816128A - Bubbling device particularly suitable for the automatic detection of the pollution of a gaseous atmosphere : en fr
  • FR815987A - Improvements in the polymerization of halogenated butadienes : en fr
  • FR816106A - Process for reducing side reactions on axle flanges of rail vehicles incorporating nose suspension or equivalent type suspension motors : en fr
  • GB469542A - Improvements in and relating to centrifugal separators : en
  • FR815941A - Ventilation system : en fr
  • GB469687A - Improvements in or relating to vehicle bodies : en
  • FR815949A - Improvements to flying machines with rotary support means : en fr
  • FR816119A - Toy improvement : en fr
  • FR816051A - Electric appliance for steaming : en fr
  • US2088072A - Car door : en
  • FR815958A - Device for fine spraying and distribution of liquid, pulverulent or gaseous materials before spraying and distribution : en fr
  • FR815976A - Arrangement of drawers in hydraulic piston transmission mechanisms : en fr
  • US2087888A - Roller stippler : en
  • US2088152A - Fuse disconnect switch : en
  • US2088260A - Hydraulic load handling system for industrial trucks : en
  • DE648320C - Seating that can be converted into a lounge chair : de en
  • DE648249C - Method for switching off the stove heating of intermittent absorption refrigeration apparatus : de en
  • FR816010A - Automatic machine, intended for the manufacture of wooden heels for shoes and the like : en fr
  • GB469702A - Improvements relating to handles for cricket bats and the like : en
  • US2088116A - Filter : en
  • US2087907A - Brake drum and method of making same : en
  • US2088209A - Turf forking apparatus : en
  • USD105402S - Design for a clip : en
  • US2088043A - Superheterodyne receiver : en
  • US2088062A - Dirigible : en
  • DE648282C - Device for the introduction of cans in cooking or cooling rooms : de en
  • FR815960A - Improvements to heat exchanger devices, such as radiators or others : en fr
  • DE648420C - Automatic control device for the propellant supply in piston-controlled compressed air motors of shaker slides depending on the load on the slide : de en
  • DE648357C - Dressing of seeds : de en
  • GB469565A - Improvements in or relating to sparking plugs : en
  • GB469601A - Improvements in apparatus for heating water or other liquids : en
  • US2088077A - Combined rail and guard for store counters : en
  • US2088088A - Interchangeable character ornament : en
  • DE648340C - Cigar machine with safety device : de en
  • USD105382S - Design for an oil burner : en
  • ES143791A1 - NEW PROCEDURE FOR THE MANUFACTURE OF D EGUERRA CARTRIDGE PODS AND SIMILAR METAL CASES, STARTING FROM A PIECE OF BAR : en es
  • DE648306C - Hydraulic measuring device for checking load pressures, especially wheel pressures : de en
  • FR47847E - Improvements to devices, such as furniture, including shelving : en fr
  • US2088451A - Acoustic reproducing apparatus : en
  • US2087952A - Picture mount or frame : en
  • US2088383A - Vegetable slicer : en
  • AT150216B - Gas-filled electric light bulb. : de en
  • CH192150A - Process for the preparation of fibrous cellulose acetate. : en fr
  • GB469534A - Improvements in and relating to money-boxes with coin operated counting device : en
  • DE648352C - Process for the production of electrical heating surfaces : de en
  • CH192262A - Marking signs for traffic regulation on streets and squares. : de en
  • US2088028A - Hydraulic machine : en
  • US2088221A - Hosiery fabric : en
  • US2088227A - Impregnation of textile fabrics : en
  • US2088505A - Gas stove : en
  • FR815928A - Process for making and producing anti-knock gasoline by destructive hydrogenation : en fr
  • US2088007A - Method and apparatus for injecting fuel into internal combustion engines : en
  • US2088091A - Single control carrying scraper : en
  • US2088309A - Coin collector apparatus : en
  • FR815926A - Projection chamber support for photogrammetric reproduction device for oblique aerial shots : en fr
  • US2087893A - Recovery of sulphur : en
  • US2087922A - Portemonnaie : en
  • FR47837E - Process for the production of resinous condensation products : en fr
  • GB469613A - Improvements in motor-vehicle lighting apparatus : en
  • GB469474A - New vulcanisation accelerators : en
  • GB469527A - Improvements in gas water heating apparatus : en
  • DE648350C - Procedure for connecting telecommunication devices to high-voltage affected lines under repair : de en
  • US2088038A - Automatic vending machine : en
  • GB469504A - Improvements relating to surface markings and signs for roads : en
  • FR47836E - Improvements to handling systems : en fr
  • GB469651A - Improvements in and relating to processes for the manufacture of conveyor chutes, troughs and the like : en
  • DE648229C - Device for switching on a circuit at a certain time by the wings of the alarm clock winding nut : de en
  • DE648234C - Shower head : de en
  • DK53359C - Stegelaag. : da en
  • DE612021C - Gas pressure brake : de en
  • FR816064A - Hydraulic motive power generation plant : en fr
  • GB469492A - Improvements in and relating to mixing machines : en
  • GB469751A - Improvements in operating method of combustion engines : en
  • US2088442A - Built-up wheel and axle : en
  • GB469700A - Improvements in or relating to the wheel wings or shrouds of vehicle bodies : en
  • DE648242C - Arrangement to delay the increase in short-circuit current in rectifier systems : de en
  • AT150223B - Welding machine. : de en
  • BE421878A - : en
  • CA367651A - High potential indicator : en fr
  • CH192095A - Heating cable, in particular for district heating systems. : de en
  • DE648221C - Device for countersinking stacked sheets : de en
  • GB469463A - Improvements in the treatment of textile materials : en
  • AU101628B2 - Improvements in electric lighting devices for stairways, aisles andthe like : en
  • US2088115A - Reaction motor : en
  • US2088243A - Oil filter : en
  • USD105395S - Design for a cream pitcher : en
  • US2088245A - Form conforming garment : en
  • USD105453S - Design for a textile fabric or : en
  • AT150221B - Process for the manufacture of rotors for variable capacitors. : de en
  • GB469707A - A method of and means for moulding lipsticks, suppositories and similar plastic or semi-plastic products : en
  • CH192231A - Method of manufacturing a photo-electric electrode. : de en
  • AU506136A - Improvements infrequency reducing systems : en
  • US2087970A - Navigational instrument : en
  • CH192097A - A process for manufacturing a cement suitable for producing concrete with a porous or cellular structure. : en fr
  • CH192230A - Photoelectric cell. : de en
  • CH192196A - Inlet and outlet devices on centrifugal machines. : de en
  • AT150285B - Process for the preservation of raw animal hides. : de en
  • US2087984A - Litter : en
  • US2087915A - Static neutralizing device : en
  • USD105462S - Design for a textile fabric : en
  • USD105448S - Design for a textile fabric : en
  • CA367623A - Forging apparatus : en fr
  • CA367665A - Electric discharge apparatus : en fr
  • US2088094A - Spring winding and assembling machine : en
  • US2088126A - Bearing plate for brakes : en
  • CH192165A - Process for cleaning the matrices of type setting and line casting machines. : de en
  • CA367597A - Moulded article manufacture : en fr
  • CH192211A - Magneto rotor and method for its manufacture. : en fr
  • CH192177A - Automatic firearm, in particular light gun for aircraft. : en fr
  • AU244236A - Improvements in. and relating to-brick and tile making machines andthe-like : en
  • USD105409S - Design for a belt for personal wear : en
  • USRE20455E - Internal combustion engine : en
  • BE343059A - Improvements in milling cutters for cutting bevel gears with helical and straight teeth : en fr
  • BE422058A - New method for winding high-voltage electrical machines : en fr
  • DE648396C - Process for the production of inward-facing sheaths to be provided with a covering : de en
  • US2088357A - Piston seal : en
  • CA367675A - Change speed mechanism : en fr
  • CH192079A - Flower pot ornamental hanger. : de en
  • CH192232A - Cathode ray tube. : de en
  • FR815943A - Preheating boiler with tube for rising steam for washing machines : en fr
  • US2088067A - Feed finger : en
  • US2088419A - Cathode ray tube : en
  • AU101641B2 - Improvements in and relating to eccentric rollers or tampers : en
  • GB469669A - Improvements in guided skip hoists : en
  • CA367684A - Storage battery connection : en fr
  • US2088148A - Oil well tool : en
  • US2088375A - Stamp retainer for beer barrels : en
  • US2088381A - Cooling apparatus : en
  • US2088421A - Regulating means for timepieces : en
  • FR816094A - Electrical installation for charging accumulator batteries : en fr
  • DE648266C - Disk-shaped spacer made of mica for air-space-insulated high-frequency lines : de en
  • AU101625B2 - Apparatus for conveying loads on inclined surfaces : en
  • CH192099A - Toilet flushing apparatus for water closets and similar devices. : en fr
  • DE648347C - Process for promoting the growth of micro- and other organisms of the animal and plant body : de en
  • GB469503A - Tobacco cutting machine with rotary cutting tools : en
  • CH192287A - Installation on ship propulsion engines. : de en
  • CH192148A - Heat exchange device, especially for thickening solutions by freezing them out. : de en
  • US2087886A - Switching device : en
  • US2087920A - Liquidproof electrical joint : en
  • USD105370S - Design fob a juvenile vehicle : en
  • US2087979A - Fruit juice extractor : en
  • US2088257A - Device for pickling meat with the aid of pickling brine to be introduced into the latter : en
  • US2088228A - Bonding machine and method : en
  • US2088405A - Method of and means for fixing adhesive coated devices : en
  • USD105436S - Design fob an embroidered knitted : en
  • CH192082A - Process for the production of an agent for destroying rodents, in particular rats, from sea onions. : de en
  • CH192279A - Motorless light vehicle. : de en
  • AT150238B - Process for the production of an oil-impermeable septum or an end closure. : de en
  • US2088194A - Radio receiving system : en
  • DE648404C - Push-pull amplifier circuit to increase the distance between the disturbance level and the useful level in telecommunications transmission systems : de en
  • US2088019A - Secondary alkyl sulphates as wetting agents : en
  • US2088395A - Calculating device : en
  • FR816090A - Improvements relating to the manufacture and composition of battery plates : en fr
  • FR47815E - Improvements to swim caps and the like : en fr
  • AU151436A - Shortwave television transmitter : en
  • GB469511A - Improvements relating to radial arm drilling machines : en
  • US2088161A - Music staff stencil cutting implement : en
  • US2088025A - Drill : en
  • US2087958A - Structural unit : en
  • FR47838E - Refinements to frames for mattresses, spring cushions and similar articles : en fr
  • FR815923A - Mounting and fixing capacitors in a housing : en fr
  • US2088005A - Method of forming wire staples : en
  • US2088402A - Resurfacing machine for paper making machine suction boxes : en
  • CH192123A - Sewing machine. : en fr
  • SU49853A1 - Instrument for plotting on the path : en ru
  • GB469637A - Improvements in or relating to the manufacture of thin sheets, films and the like products from cellulose esters : en
  • CA367649A - Extensible electric cable : en fr
  • US2088147A - Electric snap switch : en
  • US2088298A - Machine for cutting potatoes applicable to analogous purposes : en
  • FR815967A - Brake adjuster : en fr
  • AU284536A - Amplitude regulation of synchronising impulses in television and like receivers : en
  • US2088267A - Process of reducing by washing the acidity of dairy products : en
  • DE648473C - Remote control device : de en
  • AT150254B - Device for setting the pressure disc of recording scales to the weight figure closest to the load weight. : de en
  • AU400136A - Improvements relating to fluid pressure braking apparatus : en
  • CH192166A - Typewriter carriage switching mechanism. : de en
  • GB469526A - Acetyl-salicylic acid composition : en
  • US2088295A - Electric control system : en
  • US2088391A - Heat exchange element : en
  • USD105423S - Design for a casing for a corn pop : en
  • FR47835E - Electrical communication cable : en fr
  • GB469558A - Improvements in or relating to electron discharge devices : en
  • AU101634B2 - Improvements in and relating to apparatus for playing games : en
  • DE648318C - Dialytic extraction method : de en
  • DE648371C - Band filter arrangement for sound analysis : de en
  • DE648372C - Vehicle headlights with tiltable concave mirror, especially for electric lamps : de en
  • DE648328C - Balancing machine for rolled chocolate masses : de en
  • CH192171A - Process for producing colored images on photographic silver halide emulsion layers by development. : de en
  • GB469536A - Improvements in folding bedsteads of the cabinet type : en
  • FR47821E - Selective polymerization process for gas mixtures : en fr
  • GB469459A - Improvements in or relating to machines for cutting fibres into staple lengths : en
  • FR47841E - Manufacturing process for lubricating oils : en fr
  • GB469532A - An acoustical arrangement for concert halls, broadcasting studios and the like : en
  • US2088458A - Preparation of high grade apple pomace : en
  • ES143721A1 - A process for the conversion of aliphatic hydrocarbons. : en es
  • FR816011A - Improvements to the hinges, in particular for the articulated panels of automobile bodies : en fr
  • GB469488A - Improvements in and relating to electron discharge devices and circuits therefor : en
  • BE422000A - : en fr
  • CH192239A - Spark plug. : de en
  • FR816062A - Device for automatic regulation of the intensity of an alternating current circuit : en fr
  • US2088303A - Dumping grate mechanism : en
  • CA367577A - Calculating machine : en fr
  • DE648323C - Device for finding cracks in magnetizable objects : de en
  • FR815961A - Improvements to heat exchangers : en fr
  • FR816092A - Hydraulic shock absorber : en fr
  • FR816080A - Filling warning device : en fr
  • DE648305C - Device for preventing the dissolving of flexible plastic masses applied in considerable strength to the individual panes of shatterproof glass to form non-shattering intermediate layers : de en
  • DE648383C - Self-reporting savings box : de en
  • FR815934A - Apparatus for discharging their electricity from materials, equipment or machinery : en fr
  • DE648165C - Spring-loaded steering wheel for motor vehicles : de en
  • FR816088A - Process for the production of rapidly developing hybrid trees and the multiplication of these trees in forest plantations : en fr
  • FR816104A - Crucible furnace for melting metals or salts, in particular for melting the metal of printing clichés : en fr
  • US2088117A - Hopper feed mechanism : en
  • US2088283A - Device for moistening envelopes and the like : en
  • ES143741A1 - PROCEDURE FOR OBTAINING NEW ENOLDERIVES THAT HAVE THE ESTER CORE : en es
  • GB469667A - Improvements in or relating to soundproofing : en
  • GB469455A - Improvements in or relating to cathode ray tubes : en
  • AT150286B - Austenitic filler metals for fusion welding. : de en
  • CH192241A - Electric flashlight. : de en
  • GB469711A - Improvements in or relating to universal couplings : en
  • US2088279A - Device for keeping outbursts of fire in film projectors under local control : en
  • GB469581A - Improvements in or relating to altimetric capsules : en
  • GB469743A - Improvements in or relating to display devices and their manufacture : en
  • DE1412482U - : de en
  • DE648399C - Matrix setting and line casting machine with a retractable rail in the casting slide for optionally supporting two-letter matrices in one of two different heights : de en
  • DE648333C - Process for the photomechanical manufacture of flat and offset printing forms from cellulose hydrate or ether films : de en
  • FR816013A - Process for obtaining gasket plates coated with a layer of electroplating metal : en fr
  • GB469683A - Mounting of gear change levers on automobiles : en
  • DE648300C - Device for testing and setting quick regulators and automatic switches removed from vehicle alternator systems : de en
  • GB469563A - Improvements in or relating to the manufacture of hydrocyanic acid : en
  • CH192223A - Magnetic electric power generators, in particular for bicycles. : de en
  • DE648287C - Securing for sliding window against the turning over of the upper wing : de en
  • FR815974A - Cigarette dispenser box : en fr
  • US2088186A - Electromagnetic brake : en
  • US2088530A - Safety car control equipment : en
  • US2088544A - Electric radiation device : en
  • CH192288A - Landing device for aircraft, for example for airplanes. : en fr
  • CH192227A - Protective device for liquid-insulated electrical apparatus. : de en
  • AU342736A - Improvements in and relating to apparatus for playing games : en
  • FR815947A - Improvements to broadcast communication systems by wire : en fr
  • FR816105A - New arrangement for space heating by radiators, in particular with hot water or low pressure steam : en fr
  • GB469603A - Improvements relating to hurricane lamps or the like : en
  • GB469513A - Improvements relating to guards for coal-cutting machines : en
  • CH192125A - Process for the production of knitted goods on flat knitting machines. : de en
  • USD105373S - Design for a canister : en
  • US2088101A - Barrel : en
  • US2088215A - Multicylinder two-stroke-cycle diesel engine : en
  • US2088437A - Gas liquefying apparatus : en
  • CH192207A - Steam turbine with device for removing the condensed water separated from the steam from the steam turbine. : de en
  • CH192235A - Chandelier with light sources arranged on crossbars. : de en
  • CH192203A - Hydraulic packing press for fruit juice extraction. : de en
  • AU269436A - Improvements in and relating to tamping and/or forming rollers : en
  • AT150272B - Facility for comparing goods. : de en
  • AT150276B - Process for the extraction of compact metallic magnesium from magnesium dust and for the purification of magnesium dust by sublimation. : de en
  • DE648274C - Device to prevent improper tampering with automatic weighing instruments : de en
  • US2087971A - Folding machine : en
  • DE648470C - Rail fastening secured against loosening by unauthorized persons on base plates and wooden sleepers : de en
  • CH192184A - Adding machine. : de en
  • CH192308A - Motor vehicle with a chassis frame forming part of the car body. : de en
  • CA367630A - Tubing cutter : en fr
  • US2088193A - Lubricant and method of producing same : en
  • CA367626A - Glass tempering apparatus : en fr
  • CA367667A - Hydraulic torque transmitting mechanism : en fr
  • CH192285A - Mechanical signal box. : de en
  • US2088239A - Process for the production of hydrogen peroxide : en
  • CH192195A - Device to prevent the screwdriver from slipping when tightening slotted head screws. : de en
  • USD105450S - Design for a pet feeder stand : en
  • AU101636B2 - Vulcanization of rubber : en
  • CH192087A - Disc ladder on the ceiling of interiors. : de en
  • FR816086A - Pile system : en fr
  • CH192153A - Process for the preparation of 4-nitro-2-amino-1-oxynaphthalene-8-sulfonic acid. : de en
  • US2088001A - Highway guard : en
  • US2088506A - Process and composition for applying and fixing diazoimino dyestuffs : en
  • CA367587A - Prize drawing conducting means : en fr
  • US2088484A - Articulated train : en
  • USD105378S - Design for a bottle : en
  • AT150246B - Device for igniting fixed rectifier vessels. : de en
  • AU101607B2 - Chemical Substances and use thereof : en
  • CH192199A - Gradually engageable and disengageable clutch. : de en
  • CH192229A - Light amplifier. : en fr
  • US2087983A - Draft equalizer for gas burners : en
  • US2088111A - Razor blade sharpener : en
  • USD105374S - Design for a scarf : en
  • US2087937A - Single piston gas meter : en
  • CH192218A - Injection nozzle for internal combustion engines. : de en
  • CH192198A - Securing element for screw connections. : de en
  • CH192134A - Band clasp for corsets and belts. : en fr
  • CA367621A - Telephone system : en fr
  • AT150256B - Machine for grinding, polishing or similar processing of the outer surfaces of workpieces. : de en
  • US2088483A - Control system for a vapor electric converter : en
  • DE648414C - Folding chair with pull-out seat and pull-out table : de en
  • GB469673A - Improvements in or relating to television and like apparatus : en
  • US2087927A - Edging mill : en
  • US2088017A - Oxygenated aliphatic compounds derived from 2-ethylbutyraldehyde : en
  • US2088529A - Magnetic track brake : en
  • US2088049A - Calculating machine : en
  • US2088312A - Air circulation : en
  • US2088454A - Radiation elimination : en
  • USD105440S - Design fob a dress : en
  • FR816118A - Composition for making desserts : en fr
  • US2088037A - Fuel regulating system : en
  • US2088097A - Structural steel nailer : en
  • CA367628A - Napping machine : en fr
  • US2088233A - Positive electrode for galvanic cells : en
  • DE648394C - Slide lock : de en
  • DE648458C - Horseshoe with a U-shaped leg cross-section and a rubber compound inserted into it : de en
  • DE648246C - Overhead track for slaughterhouses : de en
  • FR47828E - Method and apparatus for developing films : en fr
  • FR816073A - Improvements in apparatus intended for drawing sheet glass : en fr
  • FR815977A - Two-stroke engine : en fr
  • GB469754A - Improved compositions containing formamide : en
  • FR815990A - Improvement in electrical apparatus for the preparation of infusions of coffee, tea and other similar drinks : en fr
  • DE648377C - Process for increasing the solubility of medicinal substances : de en
  • US2088346A - Duplicating apparatus : en
  • FR816042A - Photographic or cinematographic camera equipped with an interchangeable lens and a photometer : en fr
  • US2088060A - Method and apparatus for filling gas containers : en
  • ES143775A1 - A process for the manufacture of carbon agglomerates. : en es
  • GB469555A - Apparatus for splitting and decorticating bast and leaf fibres : en
  • CA367622A - Telephone system : en fr
  • DE648368C - Process for the production of iron sulfate chloride containing water of crystallization : de en
  • DE648379C - Brake shoe for the trolley of conveyor systems, especially hay lifts : de en
  • AT150296B - Process for the preparation of salts which can be used as wetting agents, foaming agents, dispersants etc. : de en
  • DE648228C - Process for the production of footwear with a braided shoe leaf and footwear produced by this process : de en
  • AT150214B - Electric cardiograph. : de en
  • DE648353C - Dye mixtures : de en
  • FR47844E - Control device for oscillating half-axles of vehicles : en fr
  • GB469661A - Improvements relating to package sealing devices : en
  • DE648402C - Arrangement for modulating the carrier wave of a television transmitter with picture content voltages and the synchronization characters given in picture pauses : de en
  • DE648364C - Device for generating sound of changing pitch for alarm purposes : de en
  • FR816095A - Advanced electrical installation for aircraft and other applications : en fr
  • GB469512A - Method and apparatus for the roasting of mineral sulphides : en
  • FR816147A - Process for the direct production of artificial rubber : en fr
  • US2087912A - Method of producing crustless fancy bread : en
  • US2087938A - Waffle lifter : en
  • US2088406A - Process of refining mineral oil : en
  • USD105383S - Design fob a textile fabric : en
  • US2088202A - Metal cutting machine : en
  • CH192224A - Device for automatically regulating the voltage of low-voltage networks with a transformer connected in series with the power line. : de en
  • GB469730A - Improvements in or relating to clothes driers : en
  • FR47817E - Method of decorating, especially rubber balls or the like : en fr
  • USD105389S - Design for a textile fabric for : en
  • US2088297A - Harmonic analyzer : en
  • FR816136A - Improvements to circuits comprising thermionic tubes : en fr
  • GR6695B - METHOD OF CONVERSION OF LIGNITE AND WOOD IN COAL OF HOUSEHOLD AND INDUSTRIAL USE. : el en
  • GB469696A - Improvements in and relating to heat sealing mechanisms for wrappers : en
  • GB469604A - Manufacture of dyes for use in photographic silver halide emulsions : en
  • GB469620A - Apparatus for temporarily laying electric cables : en
  • FR816121A - Rocket : en fr
  • GB469458A - Improvements in apparatus for detecting the presence of foreign bodies in or on transparent vessels : en
  • DE648308C - Highly pressed lighting, transmission or tracer set for tracer bullets : de en
  • US2088102A - Valve for refrigerating apparatus : en
  • DE648356C - Sound reproduction device : de en
  • GB469668A - Improvements in and relating to annealing apparatus for drawn glass : en
  • FR47833E - Single-phase mercury vapor rectifier tubes : en fr
  • FR816034A - Tube push bench, for drawing magnifying glasses in the shape of pre-perforated bowls : en fr
  • GB469721A - A thread catching hook for threading sewing needles : en
  • GB469875A - Improvements relating to the walls of heated water tube boilers and like heat exchanges : en
  • DE648456C - Device to increase the safety of conveyor systems : de en
  • GB469505A - Improvements in automatic stoker installations for supplying coarse fuel and combustion air to a furnace : en
  • GB469684A - Improvements in brakes on motor cars and the like vehicles : en
  • US2088414A - Electrical connecter : en
  • USD105400S - Design for a glass refrigerator dish : en
  • GB469520A - Process for refining mineral oils : en
  • US2088266A - Thread cutting device for sewing machines : en
  • US2088100A - Hatch cover fastener : en
  • US2088370A - Automobile signal : en
  • US2087880A - Art of attaching heels to shoes : en
  • US2088093A - Casket table caster for hearses : en
  • FR815975A - Device for quickly locating, on the basis of different data, for example in alphabetical order and frequency, radio stations on the dials of radio receivers : en fr
  • GB469586A - Improvements in or relating to electric lamps combined with wireless or like apparatus : en
  • CA367615A - Button clamp : en fr
  • CH192161A - Process for cladding structures made of aluminum alloys with more corrosion-resistant aluminum alloys. : de en
  • GB469876A - Improvements in apparatus for forming or dressing grinding wheels : en
  • BE422198A - : en
  • ES143736A1 - Valve for air and similar chambers. : en es
  • ES143784A1 - A PROCEDURE, WITH ITS INHERENT APPARATUS, TO INTRODUCE IMPROVEMENTS IN OR RELATING TO THE PROCEDURES AND APPARATUS FOR THE OBTAINING OF LEAD OXIDES OR SUBOXIDES : en es
  • DK53350C - Shirt or Pajamas with Fixed Collar or Flip. : da en
  • US2088199A - Filter : en
  • FR47848E - Process for pressing grape marc and other similar applications, and corresponding press : en fr
  • US2087960A - Aryl mercury imino and imido compounds and a process of making them : en
  • FR815906A - Construction process : en fr
  • FR815996A - Closure for containers : en fr
  • GB469517A - Improvements in hairpins : en
  • US2087955A - Fishhook : en
  • GB469419A - Improvements in or relating to cathode ray tubes : en
  • GB469648A - Improvements in and connected with air heating arrangements for motor vehicles : en
  • GB469530A - Improvements in or relating to golf clubs : en
  • FR816103A - Device for removing the inner rings of ball bearings from their shaft : en fr
  • GB469680A - Improvements in or relating to preformed composite beams for floors, roofs and ceilings : en
  • DK53368C - Holder for use in automatic filing of circular saw blades. : da en
  • FR816145A - Process for the direct production of artificial rubber : en fr
  • GB469738A - Improvements in fittings for supporting illuminating shades or the like : en
  • USD105455S - Design for an ashtray : en
  • FR815945A - Jealousy for windows : en fr
  • FR816065A - Heating device for permanent waves : en fr
  • GB469737A - Improvements in and relating to turret lathes : en
  • US2088206A - Automatic gain control : en
  • DE648375C - Needle bed for knitting machines : de en
  • DE648376C - Handle for loop taker needle : de en
  • GB469469A - Improvements in a stereo-photo-cinematographic process for stereoscopic and stereochromic filmshooting and projection by means of one plate or film : en
  • GB469596A - Improvements in and relating to electric switches with selfgenerated arc-quenching gas : en
  • GB469760A - An improved process and apparatus for separating magnesium, beryllium, and like metals which sublime from their ores and compounds : en
  • USD105445S - Design for a candlestick or similar : en
  • US2088540A - Change speed device without breach of continuity : en
  • GB469690A - Improvements in or relating to head and face coverings : en
  • DE648429C - Device for wheels with metal spokes : de en
  • CA367567A - Glass : en fr
  • CA367591A - Loaf rounder : en fr
  • US2088467A - Elevator signaling system : en
  • US2088355A - Testing device : en
  • US2088332A - Movement converting device : en
  • USD105393S - Design fok a decanter : en
  • USD105426S - Design fob a textile fabric : en
  • US2088155A - Automobile no-roll-back brake : en
  • US2088532A - Coke oven battery construction : en
  • US2088556A - Control device : en
  • CH192267A - Headlight system for motor vehicles. : de en
  • CH192303A - Process for the preparation of 1-cyclohexyl-2,3-dimethyl-4-methylamino-5-pyrazolone-4-methanesulfonic acid quinine. : de en
  • US2087996A - Telescope mounting : en
  • US2088306A - Base for printing plates : en
  • US2088082A - Liquid sprayer : en
  • US2088000A - Motor fuel composition : en
  • GB469483A - Improvements in or relating to surgical supports and like sugical appliances : en
  • FR815948A - Tipping device for dumper : en fr
  • GB469705A - Extendible beam or like temporary support for use in building construction : en
  • CH192129A - Method of washing household linen. : de en
  • CH192226A - Turn signal switch. : de en
  • US2088095A - Golf club : en
  • US2088087A - Crash bumper and the like : en
  • US2088167A - Fluid pressure brake : en
  • US2088543A - Vent plug : en
  • US2088535A - Halogenated ethers of resin alcohols and method of producing them : en
  • DE648431C - Inflatable boat with a floor divided into individual tubes : de en
  • DE648281C - Control device for the supply of the ground material in mills : de en
  • US2088427A - Motor vehicle power transmission : en
  • US2088469A - Addressing machine and inking mechanism therefor : en
  • FR816142A - Fixing device for brushes of electric machines : en fr
  • CH192120A - Dispensing procedure and the facility to carry out this procedure. : de en
  • ES143725A2 - A PROCEDURE FOR THE CATALYTIC REDUCTION OF CARBON OXIDE WITH HYDROGEN IN HYDROCARBONS OF HIGHER MOLECULAR WEIGHT : en es
  • GB469621A - Improvements in or relating to differential mechanism : en
  • US2088387A - Bottle holder : en
  • US2088435A - Contact for cartridge fuses : en
  • US2087980A - Urea synthesis at pressures above autogenous : en
  • USD105412S - Design for a slipper : en
  • USD105460S - Design for a dress ensemble : en
  • FR816060A - Recording device for call dial telephone devices : en fr
  • AU305136A - An improved hydraulically operated clothes hoist : en
  • GB469575A - Improvements rubbered fabric, and process for its manufacture : en
  • DE648255C - Luminous bubble with tubular nozzle carrier : de en
  • US2088237A - Holder for bale identification tags : en
  • AT150257B - Spindle bearings for drilling machines for fine machining. : de en
  • FR816133A - Improvement in the protection and self-lubrication of leaf springs, or parts subject to friction and oxidation : en fr
  • FR816113A - Device for remote control of the successive launching of bombs on board aircraft : en fr
  • US2088300A - Parking device : en
  • DE648301C - Frame circuit protection arrangement for detecting the frame circuit at the star point or in the immediate vicinity of the star point of the windings of three-phase machines and apparatus : de en
  • DE648338C - Locking device in the hinge for airtight doors in air raids : de en
  • FR815955A - Plug fuse circuit breaker : en fr
  • GB469733A - Improvements in and relating to the cutting of gear wheels : en
  • BE421889A - : en
  • US2088080A - Railway signaling system : en
  • US2088424A - X-ray device : en
  • US2088288A - Slab hot top : en
  • US2088531A - Steam drier : en
  • DE648262C - Process for removing arsenic from iron ores : de en
  • DE648432C - Device for marking sausages : de en
  • BE422057A - Device detecting and stopping the skidding of a wheel set during dynamic braking of a vehicle : en fr
  • DE648285C - Bar latch lock : de en
  • US2088278A - Carrier for photographic plates and films : en
  • US2088468A - Addressing machine : en
  • US2088480A - Meter base : en
  • USD105371S - Itnitfh statfj patfnt offiff : en
  • USD105459S - Design for a dress : en
  • FR815950A - Teleprinter device : en fr
  • GB469635A - Actuating means for change-speed mechanism : en
  • US2088107A - Rigid multicover box : en
  • AU280736A - Improvements in or relating to controlling systems for lifts : en
  • CH192266A - Closure on tubes. : de en
  • US2087910A - Shingle : en
  • BE422291A - Improvements relating to lamps or electric lamp systems : en fr
  • CA367580A - Resistor : en fr
  • CH192217A - Open injection nozzle on internal combustion engines. : de en
  • BE422323A - : en
  • USD105437S - Design for an ice cube cutter : en
  • GB469598A - Improved means for operating the bolts of doors : en
  • AT150253B - Device for expressing all types of wet towels. : de en
  • AT150262B - Switching device on encryption machines. : de en
  • AU101652B2 - Improvements relating to fluid pressure braking apparatus : en
  • AT150250B - Gas-filled electric light bulb. : de en
  • US2088512A - Apparatus for cleaning press cylinders : en
  • CH191651A - Junction box. : en fr
  • CA367585A - Thread and foil manufacture : en fr
  • AU240436A - Apparatus for conveying loads on inclined surfaces : en
  • CH192210A - Device for damping gas oscillations by splitting the gas flow into partial flows. : de en
  • US2087982A - Automobile lock : en
  • GB469600A - Electron discharge oscillator : en
  • CA367659A - Water craft propulsion apparatus : en fr
  • AU101608B2 - Improvements inthe Manufacture of Boots and Shoes : en
  • US2088013A - Slicing machine : en
  • US2088089A - Gas control for reer draw-off systems : en
  • CA367594A - Pump unloader : en fr
  • US2088528A - Retardation controlled brake : en
  • US2087890A - Recovery of sulphur : en
  • US2088336A - Mixing, homogenizing, and dispersing machine : en
  • DE648412C - Method and device for the production of shell tablets by pressing core tablets with shell compound : de en
  • CH192187A - Process for shaping the boundary surfaces of metal bodies by removing surface metal by means of progressive treatment with oxidizing gas streams and cutting apparatus for carrying out the process. : de en
  • US2088363A - Stereoscope : en
  • GB469744A - Improvements in connection with electrical heating systems for the warming of buildings : en
  • GB469701A - Improvements in or relating to fluid pumps and fluid transmission systems : en
  • DE648361C - Device for automatic regulation of the idling speed of the drive engine of a motor vehicle : de en
  • FR815969A - chuck vise for shafts : en fr
  • GB469515A - Improvements in catalytic heating apparatus : en
  • FR816137A - Method and devices for the remote control and monitoring of electrical apparatus, such as street lights : en fr
  • CA367610A - Pressure type joint : en fr
  • US2088183A - Safety headgear : en
  • USD105391S - Design for a textile fabric for : en
  • US2087975A - Spiral packed working barrel valve body : en
  • CH192194A - Article composed of rubber and metal and method of making the same. : de en
  • CH192105A - Fire door. : de en
  • US2088337A - Apparatus for aging and purifying liquors : en
  • CA367676A - Valve bag : en fr
  • AT150224B - Process for the manufacture of mosaic cathodes. : de en
  • CA367589A - Interlocking shingle : en fr
  • CA367634A - Glass cooling and tempering apparatus : en fr
  • CH192301A - Process for the preparation of N-B-aminoethyl-anthranilic acid ethyl ester. : de en
  • AU283836A - Potato Digger : en
  • CH192172A - Process for the color development of halogen silver emulsions. : de en
  • CH192268A - Air brakes for automobiles. : de en
  • CA367588A - Crushing and grinding machine : en fr
  • US2087934A - Bag closure : en
  • US2088514A - Escape device for derricks : en
  • AT150206B - Bearings for crank drives with automatic adjustment. : de en
  • AT150243B - Glass vessel of high resistance to metal vapors and method for its manufacture. : de en
  • CA367604A - Windshield division moulding assembly : en fr
  • DK53370C - Shock crusher. : da en
  • ES143767A1 - Improvements in the manufacture of means to stimulate the growth of plants. : en es
  • ES143742A2 - IMPROVEMENTS IN THE VALVE FOR AIR CHAMBERS AND ANALOGUES : en es
  • FR47801E - : fr
  • GB469671A - Improvements in and relating to the mounting of electric discharge devices : en
  • CH192236A - Workplace spotlight with fastening device. : de en
  • ES143218A1 - Improvements in the construction of electric generators. : en es
  • US2088164A - Breathing apparatus : en
  • US2088356A - Coat : en
  • CA367582A - Supporting device : en fr
  • FR815968A - Multi-shaft exciter for fast mechanical oscillations : en fr
  • GB469615A - Improvements in or relating to power plants for aircraft : en
  • US2088373A - Safety razor : en
  • US2087933A - Floor sanding machine : en
  • US2087906A - Transformer core clamping means : en
  • US2088465A - Dyeing apparatus : en
  • GB469656A - Electrical railway toy : en
  • US2088344A - Snap fastener for trim strips : en
  • US2088291A - Truck : en
  • USD105420S - Design for a juvenile vehicle : en
  • AT150203B - Quick coupling. : de en
  • AU290836A - Fence tying tool : en
  • CH192286A - Electrically operated vehicle equipped with the electric motor short-circuit brake. : de en
  • US2088203A - Radio receiving system : en
  • CH192278A - Equipment on bicycles for holding skis. : de en
  • FR816089A - Cardboard or similar packaging : en fr
  • GB469670A - Improvements relating to the tuning of radio receivers with inter-channel noise suppression : en
  • US2088213A - Process for the drying of materials : en
  • US2088420A - Thermal release device : en
  • CH192302A - Process for the preparation of an aqueous solution of 1-phenyl-2,3-dimethyl-4-methylamino-5-pyrazolone-4-methanesulfonic acid morphine. : de en
  • CH192101A - Keys with interchangeable insert bits. : de en
  • CH192124A - Hook bearings for sewing machines. : de en
  • CH192304A - Process for the preparation of 1-phenyl-2,3-dimethyl-4-cyclohexenylamino-5-pyrazolone-4-methanesulfonic acid quinine. : de en
  • AT150226B - Device for cooling power converters with a metal jacket. : de en
  • AT150245B - Phase angle dependent distance relay. : de en
  • US2088141A - Rotary cultivator : en
  • US2087974A - Method of coating cans : en
  • AT150277B - Process for the batchwise extraction of vegetable materials. : de en
  • AU101622B2 - Improvements in or relating to fertilizer distributors for seed drills or combined drills and cultivators : en
  • US2088015A - Undecyl compounds and method of their production : en
  • GB469569A - Improved means for unfastening or opening doors : en
  • US2087963A - Device for exhausting air from containers : en
  • FR815952A - Cigarette rolling machine : en fr
  • DE648273C - Dry knife for gas at high pressure : de en
  • FR816021A - Iron welding process : en fr
  • FR816087A - Measuring device for deformation of engineering structures : en fr
  • AT150208B - Switching device for gear change transmissions of motor vehicles with several shift rods arranged next to one another, which can come into effect in opposite directions by entrainment of locking bodies. : de en
  • CA367612A - Fire resistant insulating material : en fr
  • US2088555A - Scotch : en
  • US2088447A - Woven wire belt for paper making machines : en
  • DE648284C - Paint lock designed as a bicycle lock : de en
  • DE648319C - Fabric fastening, especially on deck chairs : de en
  • US2088191A - Composite brake drum : en
  • DK53374C - Piston rod seal for single-acting liquid pumps. : da en
  • US2088166A - Fluid pressure brake : en
  • USD105369S - Design for a compound tool : en
  • DE648444C - Capsule machine for bottles and other vessels : de en
  • USD105404S - Design fob a clip : en
  • AU101629B2 - Improvements in and relating to the manufacture of boxes : en
  • AU101658B2 - Improvements infrequency reducing systems : en
  • AU508236A - Improvements in or relating to the treatment of titanium bearing materials : en
  • AT150242B - Electric discharge tube with cadmium vapor filling. : de en
  • AT150287B - Process for the decomposition of gases, in particular air, by liquefaction and rectification. : de en
  • AT150241B - Distance protection device. : de en
  • FR815919A - Automotive door lock : en fr
  • GB469415A - Improvements in or relating to the manufacture of filter-tip and like cigarettes : en
  • AT150227B - Single-phase mercury vapor rectifier tube. : de en
  • AU407636A - Improvements relating to effecting the exchange ofmatter and / or heat : en
  • CA367564A - Electric lamp and mounting : en fr
  • AU101621B2 - An improved lubricating oil cooling system for engines : en
  • AU101605B2 - Potato Digger : en
  • DE648272C - Single and multi-piston flow meters with a device for eliminating the temperature influences caused by the liquid to be measured : de en
  • US2088307A - Dry cell, core therefor, and method of producing same : en
  • US2088494A - Grid glow tube circuits : en
  • CA367637A - Collapsible reel : en fr
  • GB469677A - Improvements in or relating to the manufacture of cigarettes : en
  • GB469685A - Improvements in or relating to tractors : en
  • CH192136A - Helmet. : de en
  • CH192193A - Method and device for veneering curved objects, in particular curved panels. : de en
  • US2087968A - Clutch : en
  • US2088144A - Hydraulic press especially for producing palate plates : en
  • US2088537A - Grader : en
  • US2088286A - Flexible receptacle : en
  • AU101644B2 - Improvements in and relating to tamping and/or forming rollers : en
  • US2087941A - Brass channel guide : en
  • US2087991A - Aluminum-base alloys : en
  • US2088438A - Light-modifying article and method of producing the same : en
  • US2088315A - End fold casing : en
  • US2088269A - Wrapping machine : en
  • US2088521A - Book construction : en
  • US2088522A - Arrangement for converting a street vehcile into a railroad vehicle and vice versa : en
  • AU285036A - Improvements in processes for rendering wool material unshrinkable : en
  • FR816033A - Improvements to motor starters : en fr
  • GB469714A - Improvements in dinghies and the like : en
  • US2088092A - Accounting and bookkeeping machine : en
  • AU280636A - Improvements in or relating to radio aerial arrangements : en
  • CH192243A - Dentist tool. : en fr
  • US2087919A - Propeller blade : en
  • CH192157A - Process for the manufacture of an agent for cleaning and polishing linoleum, wooden and stone floors. : de en
  • US2088076A - Sampler for rouge : en
  • US2088119A - Method of machining metallic workpieces : en
  • US2088285A - Apparatus for spreading sand or gravel on the ground from automobiles : en
  • CH192093A - Machine for sweeping roads and removing rubbish. : en fr
  • DE648294C - Process for the catalytic oxidation of ammonia : de en
  • DE648386C - Folding boat frame : de en
  • AT150275B - Process for heat treatment, in particular cementation of iron, steel and their alloys in molten baths. : de en
  • AT150255B - Device for measuring the density of flowing liquids. : de en
  • AU101662B2 - Improvements relating tothe springing of seats, cushions andthe like : en
  • FR816107A - Improvements to air mixers for fuel injection in combustion engines : en fr
  • DE648330C - Method and device for the production of envelopes with dry gum coating : de en
  • FR47820E - Improvements to fire protection devices in cinematographic projection booths : en fr
  • GB469879A - Insecticidal oil compositions : en
  • DK53356C - Procedure for Manufacturing Undercoats. : da en
  • CH192143A - Process for the manufacture of a product containing chocolate. : de en
  • CH192158A - Match. : de en
  • FR816041A - Billiard table with rotating mechanism game : en fr
  • DE648240C - Device for the continuous production of superphosphate and other compounds in one operation : de en
  • ES143764A1 - An appliance with an electric discharge lamp. : en es
  • GB469676A - Improvements in coin-freed apparatus comprising means for altering the price to be charged : en
  • BE421911A - : en
  • AT150237B - Switching arrangement for high performance. : de en
  • CH192190A - Switching device on machine tools. : de en
  • AT150269B - Tilting mechanism for single-bellows gas meters. : de en
  • CA367639A - Lead extruding apparatus : en fr
  • CA367663A - Combined washtub and washboard : en fr
  • CH192135A - Curve zipper. : de en
  • DE648417C - Method for joining three or more preheated wood layers one after the other by means of adhesive layers in between : de en
  • FR816149A - Dropper bottle with wick for wetting or impregnation of various substances by capillary action : en fr
  • US2088234A - Acceleration pump for carburetors : en
  • FR816063A - Call dial with blocking of certain numbers : en fr
  • CA367579A - Radio apparatus shielding means : en fr
  • CH192078A - Installation to stimulate plant growth in cold soil. : en fr
  • AU281936A - Automatic frequency control : en
  • GB469692A - Improvements relating to reflecting devices on cycles : en
  • AU19336A - Regulation of television receivers : en
  • US2088487A - Railway car : en
  • CH192085A - Angular hygienic plinth. : en fr
  • CH192261A - Television broadcasting procedure and arrangement for carrying out this procedure. : de en
  • US2088229A - Automatic fidelity control circuit : en
  • US2087948A - Relay-generator or relay-dynamo and its application to traction : en
  • DE648343C - Ventilation device for grain silos : de en
  • FR816076A - Gear switch : en fr
  • US2088075A - Apparatus for railway train communication systems : en
  • US2088241A - Temperature control means for rolling mills : en
  • GB469590A - Improvements in and relating to frames and hinging devices for handbags and the like : en
  • CA367679A - Step ladder : en fr
  • US2088200A - Baby carriage construction : en
  • CH192100A - Spray device on flush toilets. : de en
  • GB469650A - Improvements in lanterns for floodlighting : en
  • FR816129A - Improvement in bridge amplifier assemblies : en fr
  • FR816024A - Sulphonated olefin resins : en fr
  • FR816077A - Glass dies and their manufacturing process : en fr
  • US2088079A - Railway signaling : en
  • US2088457A - Cooking utensil : en
  • DE648354C - Device on gas generators for separating dust and switching the gas when the engine is at a standstill : de en
  • GB469763A - The manufacture of acid wool dyestuffs : en
  • AU101653B2 - Improvements relating to effecting the exchange ofmatter and / or heat : en
  • FR816130A - Knitting and its manufacturing process : en fr
  • FR816125A - Process for the treatment of elements such as cylinder heads, pistons and other components of heat engines : en fr
  • GB469501A - Spare wheel retainer for use on motor vehicles : en
  • GB469611A - Improvements in or relating to electric relay apparatus : en
  • GB469647A - Improvements in apparatus for electrocuting animals : en
  • US2087932A - Dental stool : en
  • GB469524A - Improvements in and relating to metal seals for metal envelope electric discharge devices : en
  • GB469477A - Improvements in or relating to electron discharge devices : en
  • FR816100A - Device for motion picture store : en fr
  • CH192249A - Receiving device for pressure telegraph systems. : de en
  • AT150283B - Process for the production of gray pig iron from white or mottled pig iron. : de en
  • AU293836A - Improvements relating tothe springing of seats, cushions andthe like : en
  • US2088503A - Cannon : en
  • FR816029A - Process for producing color images and sound recordings : en fr
  • USD105430S - Design for a tumbler : en
  • DE648467C - Centrifugal machine, in particular steam or gas turbine : de en
  • GB469430A - Process of producing and refining organ extracts : en
  • US2088324A - Magneto-strictive electromechanical sound device : en
  • US2088354A - Truck scale : en
  • US2088460A - Moving stairway : en
  • GB469587A - Improvements in or relating to pianofortes : en
  • DE648267C - Automatic starter for multi-phase asynchronous motors with slip ring runner : de en
  • GB469472A - Improvements in alternating current modulation and demodulation systems : en
  • DE648447C - Method of waterproofing wool fibers : de en
  • FR815981A - Printing press : en fr
  • GB469408A - Improvements in and relating to the automatic control or washing and other machines : en
  • DE648276C - Monitoring device for arrangements for drying substances with the aid of high-frequency electrical fields : de en
  • FR816016A - Adaptation of a compressor to gasifier engines : en fr
  • US2087939A - Process for producing cold and continuously operating absorption cold apparatus : en
  • US2088476A - Casket handle : en
  • DE641551C - Direction indicators, especially for bicycles and motorcycles : de en
  • DE648237C - Process for the production of methyl methacrylate : de en
  • US2088444A - Oil burning range for heating and cooking : en
  • FR816120A - Guidance systems using radio waves, for example for landing airplanes without outside visibility : en fr
  • US2088389A - Method of producing bearings : en
  • DE648191C - Rail vehicle : de en
  • GB469723A - Improved glass tank furnace and process of putting into use the same : en
  • CH192307A - TV tube. : de en
  • GB469578A - Production of fast shades : en
  • GB469641A - Improvements in convertible couches : en
  • USD105465S - Design for a textile fabric : en
  • US2088232A - Laundry bag : en
  • US2088216A - Process of refining a hydrocarbon oil : en
  • US2088466A - Light sensitive system : en
  • AU524036A - Improvements relating to cooling elements for refrigeration apparatus : en
  • CH192110A - Corner connection for wooden furniture. : de en
  • DE648428C - Attachment of the outer ring of a longitudinally split rim for a pneumatic tire wheel : de en
  • US2088168A - Detector amplifier circuit : en
  • FR815918A - Apparatus for detecting metallic or other impurities in fibrous materials processed in textile machines such as carding machines : en fr
  • CH192206A - Rotary machine. : en fr
  • GB469464A - Improvements in automatic telephone calling apparatus : en
  • GB469643A - Improvements in striker plate for door latch bolts : en
  • US2088392A - Glass grinding apparatus : en
  • US2088204A - Protecting magnesium and material rich in magnesium against oxidation during melting and pouring : en
  • US2088162A - Cutting device : en
  • US2088513A - Fit form drier : en
  • US2088515A - Liquid separator : en
  • FR816081A - Machine used to distribute and store cards, invoices and the like produced in several copies : en fr
  • FR816126A - Device for limiting aerodynamic forces on flying machines : en fr
  • US2087901A - Acoustic device : en
  • AU461436A - Method of manufacturing magnesium hydroxide : en
  • FR47824E - ignition electrodes for liquid cathode discharge tubes : en fr
  • USD105380S - Design for a printed textile fabric : en
  • GB469715A - Improvements in or relating to buckles or like ornaments for personal wear : en
  • FR816067A - Sealed sealed bearings : en fr
  • GB469493A - Improvements in and connected with the manufacture of piston rings : en
  • US2088220A - Sound reproducing system : en
  • US2088255A - Compression propeller : en
  • US2088559A - Miniature electric lamp bulb seat and socket combination : en
  • CA367602A - Rubber processing : en fr
  • US2088059A - Arrangement for modulating the amplitude of electric waves : en
  • US2087986A - Preparation of 4-alkyl halo-phenols : en
  • US2088418A - Hydraulic swivel : en
  • US2088090A - Method of making shoes and insoles : en
  • FR816020A - Electric device for projecting an image formed by electrons : en fr
  • DE648408C - Heavy oil burner with open burner bowl : de en
  • CH192182A - Registration speedometers, in particular on vehicles. : de en
  • DK53372C - Procedure for the manufacture of bags. : da en
  • CH192167A - Key heads for keyboards, in particular typewriters, calculating machines, cash registers, typesetting machines and the like. : de en
  • FR815970A - New automobile cyclecar : en fr
  • FR47839E - Thread unwinding device for chain hosiery with quick action : en fr
  • FR47805E - Radial inlet reaction turbine : en fr
  • GB469460A - Improvements in or relating to electric measuring instruments : en
  • GB469592A - Improvements in or relating to upright pianofortes : en
  • CH192160A - Fertilizer. : de en
  • AT150232B - Reflector for headlights. : de en
  • US2088066A - Fluid pressure brake : en
  • DE648019C - Machine for cutting out shoe soles or the like from an unvulcanized rubber sheet : de en
  • DE648291C - Hydraulically controlled fret saw for marble u. like : de en
  • DE648453C - Synchronous motor for driving electric clocks : de en
  • FR816009A - Method for establishing multi-frame, dotted raster color images : en fr
  • AT150251B - Deflection coil system for cathode ray tubes and the like like : de en
  • GB469433A - Improvements in and relating to rubber processes and products : en
  • USD105431S - Unitfd statfs patfnt offitf : en
  • GB469664A - Improvements in automatic switches for use in telephone or like systems : en
  • US2087998A - Fountain pen : en
  • US2088372A - Spring testing machine : en
  • GB469535A - Improvements in wrappers for coins and other articles : en
  • GB469740A - Improvements in and relating to roller and breast grinding mills : en
  • US2087895A - Magnet construction for contactors : en
  • US2088390A - Cooling apparatus : en
  • FR816124A - Burners improvements : en fr
  • GB469580A - Improvements in or relating to photographic sound recording : en
  • AT150274B - Electric resistance furnace. : de en
  • AU101624B2 - Improved electrical switch position indicator : en
  • US2087981A - Manufacture of artificial threads and other products from cellulose : en
  • US2087930A - Telephone system : en
  • US2087993A - Aluminum-base alloys : en
  • USD105375S - Design for : en
  • FR815953A - Printing press with advanced device for feeding paper : en fr
  • GB469726A - Improvements in tools for operating screwed members : en
  • FR815973A - Short-wave radio guidance antenna system : en fr
  • GB469691A - Member or device for the dispersion and atomisation of light and heavy mineral oils : en
  • GR6691B - METHOD OF SYNTHETIC MANUFACTURE ARTIFICIAL CRETE COMMON STOKON. : el en
  • BE422247A - Improvements to the coating of metal surfaces : en fr
  • GB469933A - Process for desulphurising gases : en
  • GB469689A - Improvements in the electrodeposition of metals : en
  • CH192113A - Device indicating orders of food products, such as butter, milk, cream, etc. : en fr
  • GB469466A - Improvements in and relating to variable speed transmissions or the like : en
  • CH192257A - Circuit arrangement for remote control of the wave change in wireless receiving stations. : de en
  • IE14519L - Mouthpiece cigarettes. : en
  • GB469461A - Method for ascertaining the efficiency of medicaments : en
  • GB469624A - Metallic and flexible packings for rotary acting pumps and ships tail shafts : en
  • FR816122A - Metal container for liquids and in particular for beers : en fr
  • FR815927A - Thrust bearing for adjustable pitch propeller blades : en fr
  • GB469736A - Improvements relating to electromagnetic sound producing apparatus : en
  • US2088526A - Multiple circuit for energizing treater units : en
  • GB469712A - Improvements in or relating to the application of steam and extraction of condensate from rotating steam-heated appliances : en
  • DE648382C - Device for displaying the dust content of gases flowing in pipelines : de en
  • USD105463S - Design for a textile fabric : en
  • DE648238C - Type rod drive for typewriters with type carriers guided in stationary plain bearings : de en
  • DK53361C - Method for Manufacturing Optical Objects, e.g. Lenses and Prisms. : da en
  • DE648227C - Direction indicators for bicycles and motorcycles : de en
  • FR816019A - Two-stroke internal combustion engine : en fr
  • US2088546A - Tilting ladle : en
  • DE648413C - Suction nozzle for vacuum cleaners with a rocker arm device provided with impact bodies : de en
  • FR815910A - Apparatus applicable to sewing machines for edging fabrics : en fr
  • FR816079A - Capacitors : en fr
  • SU48056A1 - Mining harvester : en ru
  • ES143750A1 - Improvements in the construction systems of curling or corrugation devices. : en es
  • DE648315C - Device for folding the cloth around the pre-pressed cake for oil presses : de en
  • DK53379C - Procedure for Accelerating the Bonding and Hardening of Mortars and Concrete. : da en
  • FR815933A - New way of attaching tassels to hairstyles such as fez, chechias, berets and others : en fr
  • FR815939A - Device for synchronizing piston movement in presses or multi-column elevators : en fr
  • FR816027A - Improvements to composite bodies made of zinc and aluminum : en fr
  • FR816047A - Improvements in processes for the manufacture of rubber tapes and the like : en fr
  • DE648270C - Device for cleaning and sterilizing existing bedpans : de en
  • GB469528A - Folding umbrella : en
  • US2087887A - Liquid filter and cooler : en
  • USD105411S - Design for a slipper : en
  • US2088153A - Tow coupling : en
  • US2088524A - Process of producing absorbent paper : en
  • DE648302C - Arrangement for voltage regulation of synchronous machines : de en
  • DE648327C - Method and device for the continuous processing of animal bodies, slaughterhouse waste u. like : de en
  • AT150244B - Electrical resistance. : de en
  • US2087959A - Aryl mercury compounds of heterocyclic imines and imides : en
  • US2088205A - Tone modifying circuit : en
  • IE14759L - Articulated motor vehicles: tractors : en
  • CA367613A - Hydraulic power transmission system : en fr
  • US2088520A - Railway vehicle : en
  • USD105427S - Design foe a textile fabric : en
  • US2088053A - Device for forming tank vehicles : en
  • GB469654A - Improvements relating to card cutting machines and to loom jacquards and dobbies : en
  • GB469710A - An improved mouthpiece for tobacco pipes, cigarette tubes and the like : en
  • US2088386A - Lubricating device : en
  • US2087954A - Metal container : en
  • GB469432A - Improvements relating to the packing of cigarettes and other articles : en
  • FR816054A - Process for preparing resinoid condensation products : en fr
  • FR816084A - Removable and interchangeable partition constituting a complete cold-producing element for refrigeration installations : en fr
  • DE648366C - Adjustable doll for trying on and displaying items of clothing : de en
  • US2088334A - Scale : en
  • GB469657A - Automatic making, breaking and regulating electric circuits by variations of speed : en
  • DE648407C - Process for the production of wound capacitors : de en
  • AU473136A - Improvements in or relating to fertilizer distributors for seed drills or combined drills and cultivators : en
  • US2088452A - High temperature lubricant and process of preparation : en
  • ES143778A1 - An electromagnetic procedure for obtaining a motive force of reciprocating rectilinear motion, combinable directly to the structuring of machines and tools. : en es
  • FR815989A - Retractable floats for hydroplanes : en fr
  • BE422304A - Biscuit cylinder with interchangeable dies. : en fr
  • CH192102A - Hold-openers for windows and doors. : de en
  • US2088261A - System of control for groups of gate-valves or the like : en
  • US2088436A - Vapor electric rectifying system : en
  • DE648239C - Type bar typewriter with several, preferably more than two type groups on each type bar : de en
  • FR815932A - Hydraulic speed change : en fr
  • US2088284A - Device for conveying articles in continuous furnaces : en
  • US2088313A - Screening machine : en
  • USD105449S - Design for a radiator front : en
  • AU101647B2 - Improvements in locks for doors andthe like : en
  • US2087929A - Container and measuring device therefor : en
  • US2088027A - Alcohol sulphation process : en
  • USD105425S - Design for a textile fabric : en
  • AT150264B - Containers, in particular for spices. : de en
  • AT150288B - Method for the mortar-free masonry of refractory bricks with intermediate layers of metal sheets. : de en
  • US2088055A - Regulator : en
  • US2087909A - Vehicle wheel and chassis alignment device : en
  • AU101637B2 - Improvements in or relating to means for opening and closing the moulds ofa machine for forming glassware : en
  • US2087925A - Flat hook fastener tape : en
  • USD105401S - Design for a slipper : en
  • USD105454S - Design fob a textile fabric ob : en
  • US2087940A - Container : en
  • CH192133A - Skirt holder for cyclists. : de en
  • BE422375A - : en
  • CH192152A - Process for the preparation of a mononitrated diazo compound of 2-amino-1-oxynaphthalene-8-sulfonic acid. : de en
  • AU309436A - Improvements in and relating to variable speed transmission mechanism : en
  • BE422219A - : en fr
  • CH192202A - Change gear. : de en
  • CA367608A - Organic product fumigating method : en fr
  • US2087905A - Fuse : en
  • US2088236A - Portable vacuum cleaner : en
  • US2088014A - Production of sulphuric acid derivatives of secondary alcohols : en
  • CH192271A - Device for the arrangement of track strips on vehicles, in particular those with two wheel axles lying close together. : de en
  • AU243536A - Improvements in or relating to cut out valves particularly for use in the control of the flow of fluids in conduits : en
  • CA367565A - Electric discharge lamp starting apparatus : en fr
  • CH192168A - Write block. : en it
  • US2088030A - Manufacture of terpineol from terpin hydrate : en
  • AT150213B - Electric cable. : de en
  • CA367687A - Threshing machine : en fr
  • US2088187A - Mechanism for machining crankshafts : en
  • AT150278B - Method and device for breaking down solutions by cooling and crystallizing individual components. : de en
  • AU244136A - Improvements in and relating to eccentric rollers or tampers : en
  • CA367611A - Web roll support : en fr
  • CH192147A - Process for the concentration of solutions in the course of manufacturing processes and equipment for carrying out this process. : de en
  • CH192149A - Method and device for the electrolytic decomposition of salts in solution. : en fr
  • USD105377S - Design for a dress : en
  • US2088500A - Acetylenization of mineral oils : en
  • USD105468S - Design for a textile fabric : en
  • AT150249B - Electric discharge lamp or fluorescent tube. : de en
  • AT150217B - High frequency cables. : de en
  • DE648369C - Rail fastening with angled resilient clamping plates : de en
  • US2088042A - Pumping member : en
  • US2088253A - Coin head : en
  • AT150265B - Resetting device for pointer mechanisms, in particular for liquid flow meters. : de en
  • FR47832E - Pole used to suspend power lines and others : en fr
  • FR815991A - Automatic gear change mechanism, especially for motor vehicles : en fr
  • GB469570A - Improvements in and relating to signal or alarm devices for small scale or model rail traction systems : en
  • US2088003A - Recovery of hydrocyanic acid : en
  • AU101632B2 - Improvements in and relating to variable speed transmission mechanism : en
  • US2088048A - Hydrofluoric acid product and method of producing the same : en
  • AT150218B - Acoustic device. : de en
  • CA367578A - Sound translating device : en fr
  • CH192131A - Suspender buckle. : en fr
  • CH192282A - Bogie with eight adjustable wheels for railway vehicles. : de en
  • USD105429S - Design for a drill press pullet guard : en
  • US2087946A - Process for finishing artificial thread : en
  • US2088219A - Alloy : en
  • US2088481A - Terminal clamp : en
  • USD105403S - Design fob a clip : en
  • CA367555A - Wire or thread unwinding apparatus : en fr
  • CH192115A - Facility on stepladders. : de en
  • AU291036A - Improvements in or relating to shirt collars : en
  • CA367643A - Record projector : en fr
  • CH192237A - Device for regulating stage lighting systems. : de en
  • AT150212B - Speaker. : de en
  • CH192083A - Frame element for timber constructions. : en fr
  • SU51438A1 - The method of obtaining boron chloride : en ru
  • DE648437C - Device for the gentle filling of conveyed material, especially in conveying vessels for mining conveyor systems : de en
  • DE648295C - Purification of raw phosphoric acid : de en
  • AU299436A - An improved lubricating oil cooling system for engines : en
  • AT150263B - Device for drawing ellipses. : de en
  • CA367595A - Brake retardation controller : en fr
  • US2088552A - Weighing machine : en
  • US2087978A - Pickling apparatus : en
  • CH192244A - Sanitary napkin. : en fr
  • USD105385S - Design for a textile fabric for : en
  • DE648230C - Card, the scraper fittings of which have an underlay of rubberized fabric layers and a rubber cover layer : de en
  • DE648220C - Drilling device, especially for fine boring machines : de en
  • DE648435C - Decorative glass : de en
  • FR815914A - Control for oscillating mine lanes : en fr
  • GB469573A - A process for treating hydrocarbons or derivatives thereof : en
  • GB469746A - Improvements in or relating to leaf springs : en
  • CH192164A - Form booklet with a tear-off section on the pages. : de en
  • US2088247A - Method of preparing confectionery : en
  • US2088358A - Bolt anchor : en
  • US2088150A - Silk winding machine : en
  • USD105416S - Design for a bottle : en
  • US2088463A - Elevator system : en
  • ES143790A1 - Improvements in the devices that allow snap-on caps to be opened instantly by pressure. : en es
  • GB469426A - Improvements in or relating to optical devices applicable for television and for other purposes : en
  • US2088039A - Sheet aligning and gauging device : en
  • US2088068A - Envelope : en
  • US2088256A - Apparatus for measuring flexible material : en
  • US2088345A - Automatic feeding device for feeding sheets of paper : en
  • US2088516A - Talking picture apparatus : en
  • US2088073A - Beer dispenser : en
  • GB469660A - Manufacture of derivatives of the 1:2:3:4-tetrahydroquinoline series : en
  • US2088490A - Power translating device : en
  • US2088096A - Sound-shift apparatus for front or rear projection : en
  • US2088329A - Blank and method of feeding the same : en
  • US2088396A - Stringer separator : en
  • GR6690B - STORAGE. : el en
  • USD105428S - Design for a door mat or similar : en
  • DE648465C - Device for guiding the push rod at a pipe push bench : de en
  • DE648474C - Magnetron arrangement : de en
  • FR47810E - ignition electrodes for liquid cathode discharge tubes : en fr
  • CH192259A - Circuit arrangement in wireless receiving stations for selective calling. : de en
  • DE648433C - Door handle connection adjustable to door thickness : de en
  • FR816028A - Scissor device for cutting plasterwork devices : en fr
  • AT150229B - Circuit arrangement for counting incoming calls in telecommunication systems, in particular telephone systems. : de en
  • AU295436A - Improvements in and relating to the manufacture of boxes : en
  • CH192089A - Terrace arrangement on buildings. : de en
  • DE648277C - Ten switching device for electrical calculators : de en
  • DE648355C - Ampoule used for injection or withdrawal of fluids : de en
  • GB469494A - Improvements in liquid filtering apparatus : en
  • GB469706A - Mounting for firearms : en
  • DE648316C - Oil burner with upstream oil level controller : de en
  • GB469566A - Tooth brush : en
  • CH192141A - Process for the production of high quality drinking spirits. : de en
  • GB469632A - Improvements in covers or caps for the hubs of motor vehicle wheels : en
  • FR815986A - Advanced tunnel oven for firing ceramic products : en fr
  • GB469748A - Improvements in the manufacture and production of polymethine dyestuffs : en
  • GB469588A - Improvements in or relating to electric devices in which a picture set up by electrons is projected on a projection surface : en
  • GB469688A - Improved process for matting textiles : en
  • CH192174A - Geographic map. : de en
  • DE648331C - Drilling device with revolving drill for paper speed drills : de en
  • DK53352C - Washing drum. : da en
  • AU206036A - Improvements in or relating to beacons for aircraft andthe like : en
  • CA367635A - Steam control valve : en fr
  • DE648421C - Arrangement on rubber springs : de en
  • DE648422C - Flexible shaft coupling with serpentine spring : de en
  • US2088273A - Magnetic track brake : en
  • GB469704A - Improvements relating to the purification of metaphosphates : en
  • US2088109A - Vehicle wheel : en
  • US2088172A - Scale for radio apparatus : en
  • CH192256A - Circuit arrangement for two-way carrier flow traffic, in particular with a single carrier wave. : de en
  • FR816058A - Electrolytic capacitors and new electrolytes, specially adapted for their manufacture : en fr
  • FR816004A - Electric shaft furnace, in particular for direct resistance heating : en fr
  • DE648351C - Remote control system : de en
  • DE648310C - Device for rendering rock drilling dust harmless : de en
  • DE648478C - Method for braking asynchronous motors using direct current : de en
  • DE648475C - Process for the manufacture of telecommunication cables : de en
  • FR816045A - Fishing reel : en fr
  • FR816132A - Dowsing process and apparatus : en fr
  • US2088486A - Railway brake mechanism : en
  • CH192293A - Device applicable to the weaving mechanics of a loom, in particular of a loom. : en fr
  • CA367656A - Free wheeling transmission : en fr
  • GB469750A - Reflector apparatus and method of making same : en
  • US2087997A - Sheet feeding mechanism : en
  • US2088459A - Protecting system and apparatus : en
  • USD105443S - Design for a casket table corner : en
  • GB469438A - Improvements in or relating to a method of producing a heavy metal galvanizing solution : en
  • GB469489A - Improvements in or relating to motor wagon gulley emptying and resealing apparatus : en
  • US2088342A - Springing means for vehicles or the like : en
  • AU504436A - Fluid-Controlling Valves : en
  • US2088385A - Control apparatus : en
  • US2087884A - Window latch : en
  • US2088305A - Telephone system : en
  • FR47834E - Device for determining the sign of the first half-wave of an oscillatory phenomenon : en fr
  • GB469487A - Improvements in and relating to mixing machines : en
  • FR815951A - Distribution installation for high voltage alternating currents : en fr
  • US2088376A - Beverage dispenser : en
  • FR47802E - Process for preparing compounds of the coanthrenic and coerbianthrenic series : en fr
  • GB469567A - Improvements relating to the handling of pitch and like substances : en
  • GB469531A - Improvements in mechanical relays for measuring instruments such as bimetallic thermometers : en
  • GB469735A - Improvements in the destructive hydrogenation of distillable carbonaceous materials : en
  • US2088308A - Detergent composition : en
  • US2087916A - Pipe joint : en
  • AT150294B - Process for the electrolysis of sulphate solutions, in particular alkali sulphate solutions. : de en
  • AU101598B2 - Improvements in or relating to controlling systems for lifts : en
  • US2088449A - Woven wire belt for paper making machines : en
  • US2088138A - Machine for postmarking and like purposes : en
  • US2088177A - Fluid pressure brake : en
  • US2087879A - Package for dress shields and other articles : en
  • FR815922A - Improvements to indicating devices applicable in particular to altimeters : en fr
  • US2088251A - Lifesaving device : en
  • GB469497A - Improvements in or relating to apparatus for automatically delivering predetermined quantities of granular or pulverulent materials : en
  • GB469609A - Improvements in or relating to mechanical stokers and furnace grates : en
  • CH192138A - Process for making baked goods. : de en
  • GB469597A - Improvements in transmission systems for electrical signals : en
  • CH192116A - Household appliance. : de en
  • FR47803E - Improvements to rotary distributors for internal combustion engines : en fr
  • FR816026A - Emery file : en fr
  • DE648244C - Process for removing impurities from copper other than oxygen : de en
  • ES143713A1 - Improvements in shaving machines. : en es
  • FR47827E - Process for the production of amino compounds : en fr
  • FR816110A - Improvements to filling nozzles for machines for filling bottles, flasks and other containers : en fr
  • DE648314C - Process for the production of commutators whose commutator bars are embedded in an insulating compound : de en
  • FR47822E - Graters for fruits, vegetables and other applications : en fr
  • GB469416A - Improvements in or relating to frequency multiplying apparatus : en
  • FR816098A - Mixed transport facility by road and rail : en fr
  • FR816141A - Manufacturing process of a so-called fabric : en fr
  • DE648419C - Snap-on lid for food poison container : de en
  • DE648250C - Roller bearings, especially for light rail vehicles : de en
  • FR816111A - Adjustable head for cinematographic equipment stands : en fr
  • DE648288C - Device for the automatic control of traffic signals at intersections : de en
  • DE648263C - Automatic locking for trolleys for conveying bulk goods with bottom discharge : de en
  • GB469642A - Manufacture of emulsions : en
  • GB469932A - Improvements relating to drums, tambourines, banjos and like musical instruments : en
  • DE648226C - Process for the cinematographic recording and reproduction of natural processes in image and sound activities : de en
  • DE648271C - Locking foot on castors for hospital beds, furniture, conveyor devices, etc. like : de en
  • GB469734A - Improvements in or relating to shoe sole cementing pressing appliances : en
  • CH192090A - Automobile and aircraft sheds. : de en
  • AT150271B - Lever escapement with rod-shaped balance spring for watches and other mechanisms. : de en
  • AU101626B2 - Improvements in or relating to shoe-upper conforming machines andin actuating mechanisms suitable for use in such machines : en
  • USD105392S - Design for a bottle : en
  • US2087918A - Combination electric series and series-parallel connecters : en
  • US2088051A - Skiving machine : en
  • US2088311A - Telephone ringing system : en
  • CH192228A - Thermally controlled circuit breaker. : en fr
  • AT150300B - Process for the representation of asymmetrical arsenic compounds. : de en
  • GB469686A - Improvements in or relating to mowing, cultivating and other agricultural machinery : en
  • USD105415S - Design fob a cabinet range or similar : en
  • CH192180A - Percussion rocket. : en fr
  • US2087903A - Telephone paystation circuit : en
  • US2088033A - Electric bell : en
  • AT150291B - Machine with rotating drum for electroplating sheet metal. : de en
  • DE648313C - Magnet system for electrodynamic loudspeakers : de en
  • AT150201B - Silencer and process for its manufacture. : de en
  • CA367650A - Locomotive : en fr
  • US2088310A - Wall structure : en
  • US2088139A - Speed limit indicating device : en
  • US2088277A - Absorption refrigerating apparatus : en
  • US2087902A - Electrical condenser and process of assembly : en
  • US2088361A - Rotary combustion engine : en
  • US2088210A - Interstation noise suppressor circuits : en
  • CH192122A - Inevitable weft device on ribbon looms. : de en
  • AU101646B2 - Improvements in or relating to shirt collars : en
  • AU101650B2 - An improved hydraulically operated clothes hoist : en
  • US2088302A - Combination trunks and supporter : en
  • US2088554A - Kiln : en
  • AT150205B - Flexible line. : de en
  • US2088262A - Spectacles for under water use : en
  • US2088425A - Process for dehydrogenating hydrogenated polycyclic phenols : en
  • US2088170A - Magnetic brake control : en
  • US2088429A - Bright zinc : en
  • GB469571A - Process for the anodic coating of aluminium and aluminium alloys and electrolytes therefor : en
  • GB469628A - Short-wave television transmitter : en
  • FR816117A - Process for the protection of vertical bearings intended to operate when submerged by a liquid : en fr
  • US2088369A - Ditch grading or cutting machine : en
  • FR816109A - Devices for reducing crosstalk in telephone current transmission systems : en fr
  • AT150231B - Storage for measuring instruments. : de en
  • AU208236A - Improved electrical switch position indicator : en
  • CA367638A - Lamp : en fr
  • GB469424A - Improvements in or relating to the manufacture of nitrocellulose : en
  • GB469436A - Improvements in and relating to electric dynamos or motors : en
  • GB469718A - Improvements in adjustable neckties : en
  • USD105439S - Design for a display container : en
  • US2088404A - Stapling pliers : en
  • IS96B6 - Improved methods and tools for oil production : en is
  • DK53354C - Installations for the destruction of animal carcasses or parts thereof. : da en
  • CA11568S - Pattern for chinaware : en
  • IE14342L - Neon advertising signs : en
  • US2088282A - Process for the production of rails : en
  • US2088493A - Cathode ray tube : en
  • USD105384S - Design for an inhaler : en
  • USD105452S - Design for an indirect electric : en
  • FR815940A - Air-filled toy balloon : en fr
  • US2087921A - Tag for handbags and the like : en
  • US2088198A - Electrical system : en
  • US2088349A - Metal awning : en
  • US2088498A - Apparatus fob purifying plating : en
  • FR815905A - Improvements to direction finders : en fr
  • GB469478A - Improvements in or relating to polishing drums used in the manufacture of metal powders : en
  • US2088549A - Grinding machine : en
  • FR815916A - Manufacturing process of nails for mountain boots : en fr
  • GB469713A - Improvements in or relating to devices for tensioning yarns, filaments or the like in textile machinery : en
  • FR815957A - building element : en fr
  • GB469502A - Improvements relating to the construction of coach and other vehicle bodies : en
  • CA367609A - Metal extruding apparatus : en fr
  • DE648224C - Containers for storing perishable food, especially roast coffee : de en
  • US2087951A - Lady's lunch kit : en
  • DE648261C - Surface condenser cooled with a forced air flow : de en
  • CH192103A - Method and device for the production of mats from glass fibers and other inorganic fibers. : de en
  • US2088222A - Oil press filter cloth and method : en
  • DE648359C - Bag with litter holes : de en
  • FR816127A - Improvements to electric watches : en fr
  • FR816018A - Improvements to vulcanized halogenated derivatives of rubber : en fr
  • GB469429A - Improvements in or relating to cathode ray tubes : en
  • CA367618A - Variable speed drive : en fr
  • CH192111A - Folding bunk. : en fr
  • FR816085A - Pneumatic braking device, particularly applicable to self-propelled vehicles : en fr
  • GB469479A - Improvements in or relating to polishing drums used in the manufacture of metal powders : en
  • FR815931A - Circular knitting machine with two rows of needles at an angle between them : en fr
  • FR47807E - Adhesive materials and compositions containing them : en fr
  • DE648397C - Device for continuous automatic insertion of the blanks into the die of punching and pressing : de en
  • FR815998A - Improvements to dial systems : en fr
  • GB469423A - Improvements in or relating to the dispersion of pigments in nitro cellulose compositions : en
  • GB469564A - Improvements in the manufacture of shaped articles from polymerisable organic liquids : en
  • US2088044A - Passive vascular exerciser : en
  • US2088143A - Condensation products from aro- : en
  • FR815965A - Pre-ignition chamber diesel engine with adjustable actuator : en fr
  • CA367599A - Metal window and stay : en fr
  • CH192214A - Magneto electric ignition. : en fr
  • US2087899A - Slicing machine : en
  • US2088352A - Process and means for joining materials : en
  • US2088123A - Apparatus for molding : en
  • US2088338A - Hypodermic needle and novel hub for the same : en
  • US2088399A - Photoengraving process : en
  • USD105381S - Design for a printed textile fabric : en
  • FR815902A - Test circuits for electronic discharge devices : en fr
  • CA367607A - Aromatic dithiocarbamate : en fr
  • DE648360C - Process for removing the emulsion and protein layers from used cinema films : de en
  • DE648293C - Laundry press : de en
  • GB469646A - Manufacture of polyazo-dyestuffs : en
  • USD105398S - Bread toaster : en
  • GB469630A - Improvements in slides or lever-grip devices for brace bands, and other bands, webbing and the like : en
  • GB469537A - The manufacture of monoazodyestuffs : en
  • GB469741A - Improvements in and relating to roller and breast bar grinding mills : en
  • DE648252C - Drill spindle drive : de en
  • US2087990A - Aluminum-base alloys : en
  • DE648256C - Articulated coupling for the rolls of rolling mills : de en
  • GB469699A - Improvements in and relating to fountain pens : en
  • GB469725A - Improvements in and relating to flange joints : en
  • US2088125A - Cream remover : en
  • US2088296A - Muffler : en
  • US2088351A - Shaker conveyer : en
  • US2088422A - Method of forming carbon electrodes : en
  • US2088473A - Slitter controller : en
  • GB469693A - Improvements in cavity bricks for building purposes : en
  • FR816023A - Method and device for the production of castings by means of injection or pressure casting machines : en fr
  • GB469724A - Plant and process for the production of bisulphite solutions : en
  • US2088137A - Game : en
  • DE648332C - Photographic copier : de en
  • US2088224A - Pliers : en
  • US2088145A - Light-sensitive material : en
  • US2088274A - Magnetic track brake : en
  • USD105399S - Design for a sewing machine arm : en
  • US2088557A - Baby carriage top : en
  • CH192132A - Laundry item. : de en
  • CA367632A - Hydraulic turbine : en fr
  • CA367662A - Brake drum : en fr
  • US2087947A - Manufacture of glass vessels from tubing : en
  • USD105417S - Design for a menu holder or similar : en
  • CA367571A - Fountain pen : en fr
  • CH192240A - Device on threaded sleeves of Edison sockets to secure the object screwed into them against unintentional rotation. : de en
  • CH192253A - Program switch for telephone broadcast. : de en
  • US2088388A - Woman's slip : en
  • DE648344C - Articulated coupling for the crown and the winding shaft of a watch : de en
  • GB469482A - Improvements in devices for lifting balls : en
  • GB469568A - Improvements in or relating to pipe clips : en
  • GB469606A - An improved pinch for electric lamps, thermionic valves and similar evacuated vessels : en
  • CA367647A - Pump control device : en fr
  • US2088340A - Springing arrangement for motor cars and the like : en
  • BE421908A - : en
  • US2088380A - Muzzle recoil check for guns : en
  • US2088519A - Brick grab : en
  • DE648254C - Impasto application compound for the production of artificial soles : de en
  • DE648326C - Device for the vitaminization of food : de en
  • CH192117A - Vacuum flask. : de en
  • CA367570A - Vehicle braking system : en fr
  • CH192076A - Tillage implement. : en fr
  • US2088411A - Contact assembly : en
  • CH192289A - Gear, especially for free-jet rotary sprinklers. : de en
  • US2087914A - Combination lock : en
  • AU490136A - Improvements in or relating to means for opening and closing the moulds ofa machine for forming glassware : en
  • CA367581A - Speedometer : en fr
  • CH192096A - A method of manufacturing articles of fusible materials with a glassy appearance and an article obtained by this process. : en fr
  • US2088061A - Amplifying circuit arrangement : en
  • CH192098A - Method and device for the recovery and use of fine and friable materials contained in the mass leaving the baking ovens in the production of binders used in the manufacture of mortars and concretes. : en fr
  • CA367683A - Refrigeration apparatus : en fr
  • DE648231C - Device for spinning, twisting and similar textile machines to prevent the automatic interruption of the feed of the work material except in the case of thread breaks : de en
  • DE648289C - Liquid atomizer : de en
  • DE648337C - Double cylinder lock with two lock cylinders on the same axis : de en
  • FR816096A - Tempering of glass objects : en fr
  • USD105424S - Design for an embossed textile : en
  • DE648264C - Device for heating and ventilating rooms, in particular rail vehicles : de en
  • US2088058A - Telltale for fuel tanks : en
  • US2088270A - Bulk meter : en
  • US2088301A - Face plate : en
  • CH192179A - Equipment for practice shooting with compressed air from machine guns. : de en
  • FR815995A - Process of concentration of solutions by cold : en fr
  • FR816146A - Process for the direct production of artificial rubber : en fr
  • GB469574A - Improvements in charge treating devices for internal combustion engines : en
  • CA367603A - Automatic speed gear : en fr
  • AT150258B - Riveting. : de en
  • BE422329A - Totalizer : en fr
  • DE648296C - Process for obtaining the female oestrus hormone : de en
  • DE648385C - Cardanic suspended or supported exercise device for pilot training : de en
  • US2088185A - Fluid pressure brake : en
  • US2088433A - Fog and dust insulator : en
  • DE629199C - Exclusion wedge for table set : de en
  • ES143344A1 - An improved method of manufacturing barium sulfate. : en es
  • DE648225C - Manufacture of processed cheese : de en
  • US2088179A - Automatic volume control circuits : en
  • CA367572A - Floor surfacing structure : en fr
  • CH192277A - Non-slip chain device for openwork sail wheels of motor vehicles. : en fr
  • US2087995A - Arrangement for measuring direct current : en
  • US2088330A - Sanding and polishing machine : en
  • US2088098A - Window regulator : en
  • ES143749A1 - A process for uniformly covering the basic printing surfaces for the photomechanical production of printing molds. : en es
  • FR815984A - Electric heated oven : en fr
  • GB469561A - Improvements in and relating to three wheeled vehicles : en
  • US2088009A - Adjustable dating stamp : en
  • US2088371A - Apparatus for hardness testing : en
  • USD105421S - Temple for an ophthalmic mount- : en
  • US2088217A - Temperature regulator : en
  • AU479036A - Concentration of ores by electromagnetic separation : en
  • CH192197A - Means to increase the adhesion of touching surfaces of mutually permanently immovable machine and other construction parts. : de en
  • FR816066A - Process for obtaining water-soluble dyes : en fr
  • CA367658A - Electric soldering and brazing tool : en fr
  • US2088122A - Transfer apparatus for transport vehicles : en
  • CA367646A - Filtering apparatus : en fr
  • US2088112A - Propeller : en
  • AT150292B - Process for rendering textiles water repellent. : de en
  • CA367645A - Engine cylinder liner : en fr
  • US2087967A - Method of refining lead : en
  • US2088290A - Grip measuring device for bowling balls : en
  • BE422361A - Improvements in color photography : en fr
  • US2088446A - Method of producing covered wire : en
  • AT150248B - Socket for incandescent lamps u. like : de en
  • US2088496A - Antisqueak finish strip : en
  • US2088105A - Electrical distribution system : en
  • US2088539A - Means and method of orienting deflecting tools in wells : en
  • US2087945A - Antislipping device to be worn upon the human foot : en
  • CH192275A - Security device against theft of motor vehicles. : de en
  • AU101610B2 - Improvements in or relating to the treatment of titanium bearing materials : en
  • US2087962A - Method of controlling viscosity in evaporated milk : en
  • US2088550A - Grinding machine steady rest : en
  • GB469412A - Improvements in or relating to apparatus for filling buns, pastry and the like with cream or like substances : en
  • GB469653A - Improvements in or relating to photographic roll films : en
  • DE648405C - Arrangement for parallel connection of high current direct current generators : de en
  • US2087913A - Float valve : en
  • US2087961A - Ball gyro vertical : en
  • USD105438S - Design for a drain board : en
  • DE648457C - Process for the production of pressed powders : de en
  • US2088231A - Amplifier gain control : en
  • US2088326A - Speedometer signal : en
  • GB469462A - Improvements in, or relating to, apparatus for preventing discharge of coal dust from chimneys into the atmosphere : en
  • US2088018A - Oxygenated compounds derived from butyraldehyde and its derivatives : en
  • US2088304A - Apparatus for preparing amalgam for dental and other uses : en
  • FR47826E - Improvements to amplifier assemblies : en fr
  • US2088201A - Fishline bob : en
  • US2088548A - Gas discharge relay : en
  • USD105464S - Design fob a textile fabric : en
  • FR47816E - Process and device for the preparation of alkaline peroxides : en fr
  • GB469417A - Improvements in or relating to echo sounding apparatus : en
  • GB469484A - Improvements in fountain pens : en
  • IS201A7 - Central oven : en is
  • GB469572A - Improvements in and relating to the wrapping of articles : en
  • GB469644A - Improvements in or relating to hair wavers : en
  • GB469486A - A new or improved device for the loosening or tightening of screwed stoppers in bottles or the like : en
  • US2088400A - Pipe insulation : en
  • US2088533A - Calculating device : en
  • FR815971A - New extendable table for all uses : en fr
  • GB469549A - Improvements in photographic sensitive films : en
  • DE648257C - Device for attaching the stringers consisting of coil springs for loose-leaf binders, letter folders and Like. On the folder cover : de en
  • DK53367C - Pressure lubrication device at Bearings. : da en
  • DK53355C - Control device for electrical high-voltage installations. : da en
  • DK53373C - Light sign. : da en
  • US2088113A - Shock absorbing pad : en
  • US2088159A - Method of making olefine bromides : en
  • US2088398A - Printing process : en
  • FI17683A - Skruvfjädersadel för trampcyklar, motorcyklar, baksadlar o.dyl. : en fi
  • FR815993A - Graduated disc device for gynecology and other uses : en fr
  • FR816072A - Knitted article and method of knitting the same : en fr
  • FR815980A - Metal powder agglomerate and its manufacturing process : en fr
  • FR816069A - Improvements to pipe connections : en fr
  • US2088478A - Split-cycle timing device : en
  • DE648345C - Rack mechanism for cuckoo clocks : de en
  • CA367569A - Ice tray : en fr
  • US2088248A - Air valve and the like : en
  • USD105461S - Design for a textile fabric : en
  • AU316137A - Improvements in or relating to secondary emission electron multipliers : en
  • FR815942A - Ice cream maker improvements : en fr
  • FR815946A - Improvements to barrel and cylinder locks : en fr
  • GB469533A - Toy weapon : en
  • CH192155A - Coloring pigment and process for its manufacture. : en fr
  • GB469583A - Manufacture of moulded fibre-containing articles : en
  • SU50226A1 - Device for air classification : en ru
  • US2087966A - Heat insulated container : en
  • US2088509A - Valve : en
  • FR815915A - Method and apparatus for the manufacture of V-belt links : en fr
  • DE648223C - Pressing device for lids of preserving jars : de en
  • US2088045A - Loom : en
  • US2087892A - Recovery of sulphur : en
  • US2088441A - Separation of mixtures of hydrocarbons : en
  • US2088534A - Lawn edge trimmer : en
  • DE648336C - Device for grinding multiple milling cutters on the milling machine spindle : de en
  • ES143720A1 - Brake improvements for vehicles. : en es
  • FR816108A - Improvement in electric discharge tubes and in particular luminescent tubes : en fr
  • GB469753A - Improvements in or relating to processes and installations for generating cold : en
  • US2088154A - Belt driven parking meter : en
  • US2088281A - Manufacture of metal silicates : en
  • US2088525A - Process of shaping metals : en
  • US2088104A - Water softener : en
  • USD105446S - Design for a shoe or similar article : en
  • GB469539A - Improvements in and relating to apparatus for separating dust from air : en
  • DE648430C - Method and device for the liquid-tight and gas-tight sealing of hollow vessels, in particular bottles : de en
  • US2088146A - Steering post and wheel assembly : en
  • CA367562A - Ski fitting : en fr
  • AU108153B2 - Improvements in or relating to secondary emission electron multipliers : en
  • GB469431A - Improvements in and relating to toothed gearing, more particularly for the cutting and folding cylinders of printing machines : en
  • GR6694B - METHOD OF TREATMENT OF MINERALS CONTAINING NATURAL SULFUR TO ACQUISITE THIS. : el en
  • CH192263A - Neon sign device. : de en
  • US2088238A - Wood flooring : en
  • US2088240A - Wax applicator : en
  • US2087969A - Method and tool for roll-clenching eyelets : en
  • US2088188A - Lubricator and strainer : en
  • US2088541A - Printing press : en
  • US2088084A - Abrading wheel forming device : en
  • US2088394A - Surveyor's rod : en
  • DE648434C - Bullet-proof, air- and light-permeable protective grille for windows of air raid shelters : de en
  • US2088440A - Magnetic sheet steel and process for making the same : en
  • US2088136A - Hook and lock assembly : en
  • CH192086A - Profile strip for room wall paneling and bench, shelf and table edges. : de en
  • US2088181A - Cup : en
  • US2088211A - Holder for cigarette packages : en
  • AU244336A - Fluid controlled driving gear for machine carriages : en
  • DK53353C - Toothbrush. : da en
  • FR815917A - Foot-operated air pump, in particular for automobile or other tires : en fr
  • AT150252B - Friction wheel lighter. : de en
  • FR816116A - Removable frame-cabinet trunk : en fr
  • ES143753A2 - MODIFICATIONS INTRODUCED TO OBJECT NUMBER 143530 : en es
  • GB469803A - Improvements in wheels provided with brakes : en
  • GB469516A - Improvements in or relating to apparatus for opening and closing windows, ventilators or the like : en
  • GB469518A - Improvements in the manufacture of metal alkyl compounds : en
  • CA367685A - Liquid filter : en fr
  • US2088408A - Multiplying machine with improved checking means therefor : en
  • AT150295B - Device for wet treatment and drying of freshly spun rayon threads in a continuous operation. : de en
  • AU101606B2 - Fence tying tool : en
  • AT150228B - Circuit for achieving a voltage that increases linearly over time. : de en
  • AT150280B - Process for pickling metal fittings with the aid of electric current. : de en
  • FR816037A - Planed, polished and sawn slab in natural Pyrenean sandstone : en fr
  • FR815954A - Method and device for permanent waving of hair : en fr
  • USD105397S - Design for trunks or similar article : en
  • GB469742A - Improvements in devices for cleaning and frictional treatment of the scalp : en
  • DE648411C - Device for the intermittent supply of underwind. Grate firing systems : de en
  • GB469544A - Improvements in two stroke cycle compound expansion internal combustion engines : en
  • CA367624A - Anti-diuretic therapeutic agent : en fr
  • FR47829E - Device for the storage and distribution of liquids : en fr
  • FR816123A - Separator for oil, gasoline or other products from water to be evacuated to the sewer, in particular from washing water from garages : en fr
  • AU101639B2 - Shortwave television transmitter : en
  • DE648410C - Device for the automatic regulation of the combustion air supply to combustion systems of the house fire : de en
  • GR6688B - SCHOOL SUPERVISORY INSTITUTION INTENDED FOR FIRST READING, WRITING AND NUMBERING. : el en
  • BE422392A - : en
  • CH192209A - Device for shutting down injection internal combustion engines. : de en
  • CH192299A - Calculating machine controlled by counting cards. : de en
  • AU101654B2 - Ore jir : en
  • ES143776A2 - IMPROVEMENTS IN THE OBJECT OF THE MAIN PATENT NUMBER 143772 : en es
  • AU101648B2 - Power-driven, hand-controlled: roller : en
  • US2088350A - Electric power-unit for fastenerapplying devices : en
  • CH192270A - Drive device with manual transmission, in particular on motor vehicles. : de en
  • CH192144A - Cigarette maker. : en fr
  • CH192306A - Television arrangement. : de en
  • CH192216A - Spark plug with central electrode. : de en
  • DE648251C - Ring balance for flow measurement with automatic correction of the measurement according to the condition of the medium : de en
  • USD105419S - Design foe a juvenile vehicle : en
  • FR815978A - Improvements made to friction linings : en fr
  • US2088047A - Spool unit for electromagnetic talking machines : en
  • CH192247A - Air filter. : en fr
  • AT150210B - Switching arrangement for an electrical changeover switch which can be remotely controlled by switching magnets and forms a mechanical unit. : de en
  • CH192215A - Method for supplying an explosion engine and device for its implementation. : en fr
  • CH192201A - Pressure reducing valve. : de en
  • GB469538A - Process for the manufacture of artificial stone produced by fusion from refuse clinker : en
  • US2088287A - Pocket guard : en
  • CA367576A - Paper-pulp making apparatus : en fr
  • US2087976A - Wringer : en
  • AT150273B - Hold-openers, in particular for windows and doors. : de en
  • CA367566A - Sodium resistant glass : en fr
  • CH192077A - Attachment of elongated parts, especially rake prongs, to their support. : de en
  • AT150266B - Device for the detachable connection of wooden parts, in particular pieces of furniture. : de en
  • CH192128A - Electric iron with holder. : en fr
  • GB469682A - Improvements in or relating to windows : en
  • BE421909A - : en
  • FR47825E - Sanitary appliances such as washbasin : en fr
  • DE648387C - Device for widening footwear : de en
  • CH192252A - Telecommunications installation. : en fr
  • CA367657A - Refrigerating system : en fr
  • AU287436A - Electro optical systems : en
  • CH192220A - Internal combustion engine. : de en
  • DE648317C - Circular knitting machine for the production of knitted yarns for the construction of textile fabrics : de en
  • DK53375C - Bicycle light with Holder. : da en
  • GB469612A - Improvements relating to apparatus for operating railway points and signals and the like : en
  • AU101655B2 - Method of manufacturing magnesium hydroxide : en
  • GB469434A - Improvements in the hydrogenation of esters of carboxylic acids : en
  • GB469717A - Improvements in helical chutes : en
  • GR6696B - PERFECTIONS IN AIR SEPARATION SYSTEMS. : el en
  • FR815936A - Orthopedic sole and corresponding shoe construction : en fr
  • GB469640A - Improvements in absorption refrigerating apparatus : en
  • GR6692B - INSTRUMENT FOR CLEANING FURNITURE, CARS AND EVERYTHING IN GENERALLY SMOOTH OR IRONY SURFACE. : el en
  • DE648329C - Feed device for machines for printing and punching any blanks from cardboard, paper or the like. : de en
  • AU302336A - Improved process forthe emulsification of tars : en
  • CA367593A - Lamp connector : en fr
  • CH192242A - Device for the radiographic representation of body sections and body layers. : de en
  • DE648426C - Self-acting friction clutch, especially for epicyclic gears in motor vehicles : de en
  • US2088192A - Carton closing means : en
  • US2088293A - Lawn mower : en
  • US2088348A - Apparatus for spraying or squirting metal : en
  • CA367584A - Fabric finishing method : en fr
  • DE648265C - Airspace insulated concentric high frequency cable : de en
  • GB469695A - Improvements relating to weft forks for weaving looms : en
  • SU50216A1 - Fluid meter : en ru
  • US2088489A - Circuit interrupter : en
  • USD105406S - Design fob a pin brooch : en
  • DE648233C - Fuel pump on diesel hammer : de en
  • DE648471C - Rail fastening for excavator tracks : de en
  • GB469645A - Improvements in and relating to portable boring apparatus more especially for use incoal mines : en
  • CA367670A - Incubator : en fr
  • GB469428A - Improvements in or relating to wireless receivers : en
  • ES143722A1 - A process for the dehydrogenation of aliphatic hydrocarbons. : en es
  • DK53377C - Procedure for the manufacture of shutters. : da en
  • US2088547A - Pouring device : en
  • DE641431C - Tickets and Like. With control section, which are strung together to form a strip : de en
  • DE648245C - Sound recording device with monitoring instrument : de en
  • ES143729A1 - IMPROVEMENTS IN THE DETENTION OF OBSTACLES BY ELECTROMAGNETIC WAVES : en es
  • US2088382A - Cooling apparatus : en
  • US2088560A - Sewing machine : en
  • GB469456A - Improvements in and relating to electric cookers : en
  • US2088180A - Packing : en
  • DK53376C - Freewheel brake hub with express brake coupling. : da en
  • ES143245A1 - Procedure for obtaining condensation products of aminotriarsin aldehyde. : en es
  • FR816043A - Variable frequency and variable attenuation network : en fr
  • CH192139A - Meat grinder. : de en
  • GB469421A - Improvements in or relating to the manufacture of fluorohydrocarbons : en
  • GB469577A - Method of manufacturing a product containing calcium nitrate and ammonium nitrate : en
  • FR816143A - Liquid spray jet : en fr
  • GB469540A - Improvements in nipple piercing machines : en
  • DE647568C - Device for regulating the operation of steam generators, especially for vehicles and heating with solid fuels : de en
  • FR816036A - Improvements to devices for producing the electric current necessary for lighting bicycles : en fr
  • FR816148A - Improvements to signaling devices : en fr
  • GB469649A - Improvements in machines for bending steel and like bars, rods and the like : en
  • US2088081A - Low slugging mechanism : en
  • US2088263A - Shoe : en
  • US2088384A - Ignition apparatus : en
  • US2088510A - Toy : en
  • US2087882A - Wheel : en
  • US2088495A - Electric discharge apparatus : en
  • USD105441S - Design for a bier : en
  • US2088057A - Production of nitric acid from oxides of nitrogen : en
  • US2088006A - Ink : en
  • US2088472A - Treatment of a roller surface : en
  • US2088518A - Folding extension table : en
  • DE648309C - Liquid fuel burner with an evaporator heated by the main flame : de en
  • FR816083A - Projectile improvements : en fr
  • ES143714A1 - PROCEDURE FOR OBTAINING IODINE FAT FROM HYDNOCARPUS : en es
  • FR816012A - Improvements made to the fuel systems for coal burners, in particular those for boilers : en fr
  • US2088046A - Crossing gate : en
  • US2088475A - Apparatus for spooling heels : en
  • US2088499A - Timing mechanism for electric appliances : en
  • DE648304C - Device for attaching a saw tang for gang saws : de en
  • GB469629A - Folding box : en
  • US2088225A - Refuse destructor : en
  • FR816002A - Process for the removal of the mold forming the negative in the manufacture of prostheses and other castings : en fr
  • DK53366C - Method with associated plant for the production of compressed air for combustion machines. : da en
  • GB469525A - Joint or coupling for tubes or hoses : en
  • GB469552A - Improvements in or relating to apparatus used in web printing and other processes : en
  • US2088020A - Secondary alkyl sulphates as wash : en
  • US2088464A - Carburetor : en
  • USRE20458E - Inking apparatus and method of op : en
  • US2087957A - Gear checking device : en
  • USD105447S - Design for a display counter unit : en
  • CH192156A - Preparation of dispersible powder vat dye and process for its manufacture. : en fr
  • US2088064A - Back spacing mechanism : en
  • US2088074A - Cooking utensil : en
  • AT150279B - Process for the production of a fertilizer from ground, burnt dolomite lime. : de en
  • USD105379S - Design for a bottle : en
  • USD105457S - Design for a dress ensemble : en
  • CH192106A - Cooking or heating apparatus with a base made of poorly heat-conducting material. : de en
  • AU486736A - Improvements inthe Manufacture of Boots and Shoes : en
  • US2088289A - Voltage regulating apparatus for electric current generators : en
  • US2088428A - Wire-stitching machine : en
  • CA367669A - Razor : en fr
  • CH192178A - Tripod mount for firearms. : de en
  • US2088377A - Printing press : en
  • FR816071A - Multiple magnetron : en fr
  • CA367668A - Infusion apparatus : en fr
  • DE648026C - Overload clutch : de en
  • FR816057A - Improvements to the casings of discharge devices : en fr
  • GB469529A - Device for operating the trigger and locking mechanism of fire arms : en
  • US2088078A - Truck body : en
  • US2088415A - Fuse switch : en
  • DE648443C - Electric welding machine working according to the burn-off process with manual drive for the burn-off movement and with a mechanical drive for the upsetting movement : de en
  • AT150236B - Switching device with delayed activation of the anode circuit. : de en
  • US2088218A - Electrical fitting : en
  • US2088244A - Velocipede construction : en
  • DE648424C - Photographic jumping camera : de en
  • BE422106A - : en
  • US2087885A - Lever controlled system : en
  • DE648292C - Movable weir with automatically and forcibly movable attachment flap : de en
  • FR47819E - Process for the destructive hydrogenation of distillable carbonaceous materials : en fr
  • FR47823E - Agitator feeder for apple, pear, grape and other fruit crushers : en fr
  • GB469674A - Vertical lathe for the turning of parts of non-circular section more particularly ofingots of pyramidal shape : en
  • CH192107A - Sink for washing up. : de en
  • AT150293B - Corrosion-resistant austenitic molybdenum-chromium-nickel-iron alloys. : de en
  • US2087898A - Slicing machine : en
  • US2088226A - Combined plug and valve device : en
  • US2088108A - Saddle : en
  • US2088434A - Calculating machine : en
  • DE648335C - Process for serving unfermented fruit juices, so-called sweet musts : de en
  • CH192265A - Horseshoe with removable crampons. : en fr
  • CH192284A - Control device on compressed air brakes. : de en
  • US2088401A - Razor blade sharpener : en
  • DE648459C - Ventilation device for closed motor vehicles : de en
  • US2088538A - Golf course lawn mower sharpener : en
  • US2088242A - Spinning mechanism : en
  • CA367653A - Paper making machine : en fr
  • US2088134A - Die-casting and pressure molding machine : en
  • CH192291A - Winding machine with several winding spindles. : de en
  • AT150261B - Set up on laundry or clothing. : de en
  • CH192163A - Machine for binding collection sheets, in particular collection files. : de en
  • ES143782A1 - Procedure for obtaining basic combinations of the heterocyclic series. : en es
  • CA367557A - Spring making machine : en fr
  • CH192159A - Process for the production of artificial leather. : de en
  • AU101623B2 - Regulation of television receivers : en
  • FR816114A - Process and installation for continuous and completely cold fixing and desizing of rayon fabrics : en fr
  • DE648463C - Boundary wall for housings filled with small bodies and used as gas backlash protection : de en
  • FR815999A - Device for irrigation, aeration, heating, land drainage : en fr
  • FR816022A - New azo dyes : en fr
  • GB469759A - Improvements in or relating to natural-colour photography and kinematography : en
  • GR6693B - METHOD OF SEPARATION OF THE NATURAL SULFUR FROM THIS ACCOMPANYING FOREIGN MATERIALS. : el en
  • US2088002A - Automatic fire alarm system : en
  • CA367642A - Wave amplifier and generator : en fr
  • DE648439C - Filter candle : de en
  • GB469722A - Improvements in rollers for endless track vehicles : en
  • IE14719L - Electric insulators of tempered glass : en
  • US2087928A - Reel : en
  • US2088292A - Electrical communication system : en
  • US2088268A - Firearm : en
  • AT150235B - Electric wave filter. : de en
  • AU101599B2 - Automatic frequency control : en
  • CA367636A - Aluminium alloy : en fr
  • CH192121A - Device for cleaning the fluted cylinders of a textile machine. : en fr
  • US2088026A - Vulcanizer : en
  • US2088276A - System for the conversion of heat : en
  • US2088504A - Crankless motor : en
  • AT150219B - Electrolyte, in particular for electrolytic capacitors. : de en
  • US2088412A - Process of making self-identifying composition of matter : en
  • CH192192A - Transport device for the production of coatings pressed onto bars. : de en
  • GB469582A - Improvements in and relating to cooling arrangements for the cylinders of internal combustion engines : en
  • AT150297B - Process for the preparation of unsymmetrical aromatic arsenic compounds. : de en
  • US2088121A - Rotary engine : en
  • AT150268B - Work table for chopping wood with a chopping stick. : de en
  • CH192272A - Device for cushioning vehicles. : de en
  • GB469679A - Improvements in or relating to electric hand irons : en
  • CH192118A - Hand press for pressing sealing lids onto containers, especially food cans. : de en
  • CH192130A - Stiffening spring for clothing. : de en
  • CH192084A - Truss with wooden walings and wooden struts. : de en
  • AU101611B2 - Improvements relating to cooling elements for refrigeration apparatus : en
  • AT150239B - Strap collar for fastening electrical cables to insulators : de en
  • AT150267B - Measuring device for drilling machines, in particular those for fine machining. : de en
  • FR816091A - Advanced equipment allowing successive transport by road and rail without individual transshipment of goods or other objects transported : en fr
  • ES143754A1 - A process for manufacturing light and ultralight alloys self-protected against corrosion. : en es
  • CH192225A - Connector on electric overhead line bimetal cables. : de en
  • US2087989A - Aluminum-base alloys : en
  • US2088249A - Gaseous rectifier : en
  • US2088410A - Inlet fitting for swimming pools : en
  • CH192173A - Process for the production of erasable photographs. : de en
  • CH192296A - Item of laundry with stiffening insert and prepared folding point and method for its production. : de en
  • US2087894A - Recovery of sulphur : en
  • US2088272A - Hair curler : en
  • AT150230B - Electrical network. : de en
  • CH192119A - Method for pouring liquids from a lower-lying storage container and dispensing device for exercising the same. : de en
  • AU292136A - Power-driven, hand-controlled: roller : en
  • CH192092A - Garbage truck. : de en
  • GB469491A - Manufacture of n:n-disubstituted dipyrazoleanthronyls : en
  • FR816007A - Improvements to devices for shearing or cutting sheets or other parts : en fr
  • CH192146A - Process for thickening solutions by freezing out the solvent and apparatus for carrying out this process. : de en
  • CH192175A - Locking device for interchangeable barrels of firearms, in particular machine guns. : en fr
  • DE648393C - Cutting knife storage for machines for shredding tobacco or the like. : de en
  • ES143726A2 - A procedure for obtaining a suitable fuel for diesel engine service. : en es
  • USD105435S - Design for : en
  • AT150259B - Centering device for drilling machines, in particular those for fine machining. : de en
  • BE422394A - : en
  • BE422075A - : en
  • CH192281A - Chain wheel device for chain speed change. : en fr
  • FR816139A - Advanced two-stroke engine : en fr
  • AU101609B2 - Fluid-Controlling Valves : en
  • AU461336A - Ore jir : en
  • US2088318A - Relay circuit : en
  • CA367674A - Carbureter : en fr
  • CH192185A - Winding crown for watches. : en fr
  • AT150290B - Copper-chromium-manganese-iron alloy for the same purpose as nickel silver u. like alloys. : de en
  • US2088184A - Braking apparatus for railway and other vehicles : en
  • US2088343A - Apparatus for playing golf : en
  • AU289736A - Improvements in and relating to dry plate clutches : en
  • CA367559A - Box body manufacture : en fr
  • CH192108A - Device for fastening objects to walls with the aid of a binding agent. : de en
  • CA367681A - Hollow forged valve : en fr
  • CH192109A - Advertising apparatus, in particular for displaying menus and beverages. : de en
  • AT150289B - Process for the production of a special beer. : de en
  • CA367661A - Foot treating apparatus : en fr
  • CA367605A - Railway light signal : en fr
  • US2087889A - Recovery of sulphur : en
  • CA367678A - Ore electromagnetic separator and concentrator : en fr
  • US2088069A - Cooky mold : en
  • GB469509A - Improvements in or relating to centre drilling machines : en
  • CH192213A - Float carburetor for non-volatile fuels. : de en
  • CH192274A - Lifting device on automobiles. : de en
  • AU306336A - Improvements relating to saddles or seats for cycles andthe like : en
  • US2088169A - Retardation controlled brake : en
  • US2088359A - Valve stem grinding fixture : en
  • US2088397A - Pin carriage mechanism : en
  • DE648363C - Machine for smoothing hard fiber webs, preferably sisal : de en
  • GB469681A - Improvements in and relating to the electrodeposition of metals : en
  • CA367666A - Drain and flushing apparatus : en fr
  • FR816025A - Improvements to mechanisms for inking or applying other liquids for printing machines and others : en fr
  • AU291636A - Improvements in locks for doors andthe like : en
  • DE648268C - Inductive resistors for starting electric motors : de en
  • DE648370C - Circuit arrangement for amplifying electrical pulses : de en
  • US2088208A - Safety blanket holder : en
  • FR815929A - Method of manufacturing abrasive metal carbides and furnace for the application of this method : en fr
  • GB469936A - Improvements in the manufacture and production of dyestuffs : en
  • DE648358C - Belt connection : de en
  • US2088362A - Measuring device : en
  • CH192186A - Watch box. : en fr
  • US2087953A - Process and composition for rectification of curly hair : en
  • CA367640A - Coin detection system : en fr
  • GB469418A - Improvements in or relating to cathode ray tubes : en
  • IE14581L - Electric arc-welding. : en
  • US2088403A - Sanitary protector for trousers : en
  • DE648389C - Machine gun cartridge belt and method of making the same : de en
  • FR816068A - Lubricating material distributor : en fr
  • US2088024A - Operating room lamp : en
  • GB469498A - Improvements in or relating to phonographs : en
  • FR815909A - Snow plow : en fr
  • FR816112A - Feedback Receptor Improvements : en fr
  • GB469470A - Improvements in railway rail securing means : en
  • GB469708A - Improvements in heating of oil or like materials : en
  • DE648307C - Central coil zigzag sewing machine : de en
  • DE648232C - Process for the production of grinding wheels : de en
  • DE648334C - Fastening device, especially for cover strips on motor vehicles : de en
  • US2088176A - Method of and means for covering wire : en
  • USD105413S - Design for a cuff link : en
  • US2088527A - Motor vehicle door and door frame construction : en
  • DE648235C - Pattern hand loom : de en
  • AT150260B - Drilling machine for fine machining, especially with several vertical spindles. : de en
  • US2087956A - Guy wire protector : en
  • US2087973A - Acoustic material : en
  • GB469576A - Improvements in and relating to detachable caps for buttons or similar objects : en
  • US2088016A - Production of nondecyl oxygenated compounds : en
  • US2088443A - Thermal switch : en
  • DE648101C - Rotary switch with a locking mechanism containing two axially releasable bolts : de en
  • DE648341C - Device for the production of roof tiles : de en
  • GB469471A - Improvements in magazine gramophones : en
  • GB469627A - Apparatus for measuring visibly the degree of tension on wire lines : en
  • US2088450A - Shock absorber : en
  • US2088029A - Bicycle generator : en
  • US2088189A - Hair drier : en
  • US2088517A - Measuring device : en
  • AT150284B - Material for machine parts with sliding movement made from an aluminum alloy containing copper and zinc. : de en
  • AU101597B2 - Improvements in or relating to radio aerial arrangements : en
  • DE648321C - Grapple winch : de en
  • DE648395C - Procedure for loosening the pipe from the mandrel bar with push-pull arms : de en
  • CA367648A - Coated material : en fr
  • CH192280A - Trailer trolleys for bicycles and motorcycles. : de en
  • US2087965A - Method for treating wood : en
  • US2088070A - Photoelectric tube : en
  • DE648449C - Heat exchange device, in particular for preheating feed water by means of heating gases, with finned tubes lying transversely to the direction of the heating gas flow : de en
  • ES141388A3 - Improvements in the methods adopted to color the elements of the sliding clasp closures. : en es
  • US2088430A - Track hanger : en
  • GB469709A - Opening device for tins : en
  • US2088182A - Auxiliary throttle control : en
  • GB469727A - Improvements in or relating to non-skid tread devices for vehicle wheels : en
  • US2087891A - Recovery of sulphur : en
  • FR815930A - Selector mechanisms for teleprinter or the like : en fr
  • FR816093A - Platform for artillery pieces : en fr
  • GB469626A - Improvements in or relating to nasal appliances : en
  • GB469662A - A type printing telegraphic system : en
  • US2088271A - Device for reducing internal meter friction : en
  • DE648280C - Lighter with a wick tube protruding into the fuel container : de en
  • DE648339C - Shoe heel with exchangeable running part : de en
  • US2088314A - Composite set : en
  • US2088413A - Helicopter and rotating wing aircraft : en
  • GB469749A - Improvements in the production and treatment of artificial filaments, yarns and similar materials containing organic derivatives of cellulose : en
  • DE648243C - Method for degassing metal vapor rectifiers with metal vessels, in particular mercury vapor rectifiers in which the anodes are surrounded by protective tubes : de en
  • US2087908A - Pipe coupling : en
  • US2088536A - Continuous feed cinematograph apparatus : en
  • DE648275C - Method and device for determining the drying status of hygroscopic substances : de en
  • US2088416A - Photoelectric relay : en
  • CH192251A - Circuit arrangement for telecommunications systems with dial-up calls for carrier current connections. : de en
  • US2088259A - Child's vehicle : en
  • CH192080A - Roll-up device for hoses for conveying liquids. : de en
  • CA367686A - Creatography : en fr
  • CH192269A - Device for operating sliding windows on vehicles, in particular automobiles. : de en
  • DE648290C - Dealer display device : de en
  • FR815959A - Improvements to pencils : en fr
  • FR815997A - Improvements to distribution mechanisms for machines, particularly distribution mechanisms for locomotives : en fr
  • AU101603B2 - Improvements in or relating to cut out valves particularly for use in the control of the flow of fluids in conduits : en
  • CH192233A - Magnet made using high coercive force material. : de en
  • GB469495A - Improvements in or relating to electric cables : en
  • US2087985A - Method of treating egg whites to improve keeping and whipping qualities : en
  • US2088470A - Printing roller : en
  • US2088551A - Mechanical clothes washer : en
  • USD105410S - Design for a belt fok personal wear : en
  • US2088223A - Method of making a container : en
  • USD105396S - Design fob a bottle : en
  • AU101643B2 - Fluid controlled driving gear for machine carriages : en
  • CA367575A - Petroleum product sweetening process : en fr
  • CH192114A - Device used to press the lid onto saucepans. : de en
  • DE648259C - Process for the preparation of easily soluble compounds of dihydrocodeine with barbituric acids : de en
  • FR816048A - Arrangement for wrapping split welding electrodes : en fr
  • GB469745A - Improvements in and relating to hooks for supporting light weight electric conductors : en
  • DE648378C - Process for the preparation of a crystallized active ingredient from senna leaves : de en
  • DE648365C - Rivet and seamlessly attachable carrier for a holder or a closure part of items of clothing, equipment and the like. like : de en
  • DK53371C - Means for Removing Milkstone, Beer Stone and Other Calcium Deposits. : da en
  • FR815972A - Preservatives or means against insects : en fr
  • GR6687B - AUTOMATIC AND TIME PROJECT MACHINE OTHER THAN CINEMA MOVIE AND OTHER EXPLANATIONS. : el en
  • GB469467A - Method of and apparatus for effecting quantitative determining in connection with liquids : en
  • CH192276A - Seat mounted on a plinth. : en fr
  • BE422032A - : en
  • US2088071A - Heating system : en
  • US2087992A - Aluminum-base alloys : en
  • US2088491A - Low water and pressure control device : en
  • US2088553A - Balancing machine : en
  • GB469559A - Improvements in or relating to the dispersion of pigments in oil : en
  • ES143774A1 - Improvements in the rockets. : en es
  • US2088120A - Method of manufacturing foundry flasks : en
  • AU479836A - Vulcanization of rubber : en
  • CA367660A - Draft control device : en fr
  • FR47845E - Rubber gasket or rubber molding : en fr
  • DE648297C - Process for the preparation of primary aliphatic amines : de en
  • FR816070A - Universal electric machine : en fr
  • GB469485A - Improvements in or relating to means for illumination utilising electric discharge devices : en
  • GB469703A - Adjustable cradle : en
  • FR815912A - Apparatus for the mechanical shelling of peanuts or similar products : en fr
  • GB469666A - Improvements in foot exercising and arch correcting devices : en
  • GB469655A - Combined walking-stick stool : en
  • IE14933L - Thiazolium compounds : en
  • US2087999A - Polyvalent metal salts of acid high molecular weight esters of polycarboxylic acids : en
  • FR47850E - New preparations for textile printing : en fr
  • FR816082A - Universal dial for t. s. f. or the like : en fr
  • GB469652A - Improvements in and relating to safety devices for coiling machines : en
  • FR47804E - Improvements to electrical devices with immobilized electrolyte : en fr
  • FR816056A - Protective board for flower windows : en fr
  • US2088321A - Fixture joint : en
  • GB469622A - Improvements relating to the feeding of cards or like articles from a stack : en
  • FR816040A - Installation system for cooling machines, in particular internal combustion engines : en fr
  • FR816055A - Process for preparing oxygenated organic compounds : en fr
  • FR816097A - Perfected parachute : en fr
  • GB469521A - Improvements relating to radiator muffs for automobiles and like vehicles : en
  • US2088132A - Fishing rod : en
  • US2088320A - Fastening : en
  • US2088322A - Socket : en
  • US2088328A - Monoazo dyes and process for manufacturing the same : en
  • FR47811E - Process for treating solutions containing hydrochloric acid, nitric acid and alkali salts : en fr
  • GB469739A - Improvements in or relating to flying machines : en
  • FR815964A - Improvements in apparatus for the treatment of solids with gases : en fr
  • US2088036A - Air drying urea-formaldehyde coating composition : en
  • US2088250A - Process for the separation of precious metals from gold metal containing materials : en
  • DE648427C - Lighting device for direction indicators with two or more indicator arms, especially for bicycles and motorcycles : de en
  • DE648151C - Automatic electrical control device for technical-physical quantities : de en
  • CH192290A - Device for initiating the winding process on winding machines, in which an empty bobbin is automatically brought to the workplace. : de en
  • USRE20454E - Well spudding apparatus : en
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