• ES4485U - Automatic device for the placement of road signs on the road surface (Machine-translation by Google Translate, not legally binding) : en es
  • DK51515C - Procedure for Manufacturing Fuel. : da en
  • US2037079A - Oral cavity appliance : en
  • GB445748A - Improvements in method and system for distributing signal currents : en
  • USD99299S - Design for a dressing table : en
  • DK51512C - Framework for the Formation of Flow Channels in Heat Exchange Apparatus, Especially for Dairy Technical Purposes. : da en
  • DE628688C - Automatic embroidery transmission : de en
  • DE628778C - Apparatus for stopping : de en
  • GB445772A - Improvements in and relating to electric motor control systems : en
  • USD99266S - Design for a head for electric : en
  • FR796779A - Traction device usable as a brake and as a pump control : en fr
  • US2037020A - Tank truck : en
  • US2037151A - Multichambered reservoir : en
  • US2037421A - Treatment of strip material : en
  • FR796871A - Level device for measuring the slope of curved tracks : en fr
  • US2037554A - Disappearing feeder : en
  • CA357137A - Gluing machine : en fr
  • DE628813C - Manually adjustable shut-off device for the gas and liquid supply to gas-heated liquid heaters : de en
  • FR796914A - New game adapting to billiards and similar games : en fr
  • FR796942A - Force amplifying mechanism : en fr
  • FR796785A - Device intended to prevent fraud in prepayment mechanisms : en fr
  • GB445621A - Improvements in or relating to grinding or abrading machines : en
  • GB445699A - Auxiliary steering apparatus for dirigible vessels : en
  • US2037435A - Adjustable lamp stand : en
  • US2037508A - Football dummy : en
  • NL38064C - : en
  • FR796775A - Pneumatic tire inner tube deflation device : en fr
  • DE628830C - Steam power plant with high pressure piston engine and low pressure steam turbine : de en
  • DE628849C - Process for the preparation of aminoalkylsulphonic acids : de en
  • FR796909A - Sheet steel or iron file : en fr
  • FR796946A - Advanced automatic shuttle change mechanism for looms : en fr
  • US2037216A - Sleeping cover : en
  • CH183420A - Spring mattress with double suspension. : de en
  • FR796906A - Coating and impregnation compositions and their application methods : en fr
  • GB445753A - Blotter : en
  • CA357188A - Garment : en fr
  • DE628804C - Sealing of a shaft, consisting of creaks of rigid ring segments, which are drawn together radially by springs, axially driven apart for the purpose of sealing and encapsulate an inherently elastic sealing ring resting on the shaft : de en
  • US2037030A - Navigation instrument : en
  • US2037074A - Transmission mechanism : en
  • US2037409A - Relative humidity and temperature recording apparatus : en
  • US2037611A - Frame : en
  • GB445870A - Improvements in or relating to photographic developing apparatus : en
  • US2037170A - Shoe : en
  • US2037227A - Piston : en
  • CH183512A - Veneer press. : de en
  • US2037083A - Magneto mounting : en
  • US2037277A - Casket handle : en
  • US2037304A - Feed collet : en
  • GB445866A - Improved method of making hollow wire : en
  • US2037228A - Mold and method of manufacturing the same : en
  • US2037677A - Apparatus for fractionally distilling oils : en
  • DE613413C - Control device, in particular alternating current relay : de en
  • DE627722C - Vehicle for railways : de en
  • DE628680C - Steep winder for permanent hair waving devices : de en
  • GB445509A - Improvements in and relating to cutting mechanism for cigarette making machines : en
  • GB445595A - Improvements in or relating to the propulsion of models, vehicles or miniature figures or toys : en
  • ES4033Y - Tap. : en es
  • CH183428A - Shaving brush. : de en
  • US2037281A - Universal joint : en
  • US2037550A - Ironing machine : en
  • DE628797C - Device for finishing socks and knitted goods on forms : de en
  • DE628748C - Flush-mounted box made of molded insulating material with arch-shaped recesses provided on its outer wall : de en
  • FR796903A - Material for sliding bearings, composed of a light metal alloy : en fr
  • US2037351A - Reversible rotary motor : en
  • USD99292S - Design for a lapel emblem ob : en
  • FR796717A - Method and device for transmitting images and sounds : en fr
  • GB445861A - Improvements in and relating to the treatment of ores : en
  • ES3848Y - Portable electric lamp with concealed switch. : en es
  • GB445749A - Index device : en
  • DK51521C - Expandable Cufflinks. : da en
  • FR796809A - Electrical transformer especially for neon tubes or other electric discharge tubes : en fr
  • FR796873A - Road lighting mode for crossing vehicles : en fr
  • GB445979A - Improvements in and relating to pumps for use more particularly in braking and retarding apparatus : en
  • US2037307A - Rock drill : en
  • FR796883A - Two-way electrical switch relay : en fr
  • FR796709A - Hair bleaches : en fr
  • DE628852C - Device for extinguishing the alternating current arc in current interruption devices : de en
  • CH183465A - Process for the production of a condensation product from urea, formaldehyde and hexamethylenetetramine. : de en
  • US2037683A - Cap : en
  • CH183472A - Binder. : de en
  • GB445554A - Improvements in or relating to the manufacture of aldehydic compounds : en
  • CA357167A - Sink making apparatus : en fr
  • US2037346A - Tool bit and holder therefor : en
  • DE628841C - Airplane landing sail with cross pads : de en
  • GB445498A - Improvements in or relating to light valves : en
  • FR796757A - Device for removing clichés in a casting machine for stereotype clichés and galvano supports : en fr
  • US2037096A - Piston ring compressor : en
  • US2037379A - Cracking of oil : en
  • US2037520A - Liquid congealing apparatus : en
  • FR796875A - Improvement in amplification processes : en fr
  • FR796894A - Fly trap : en fr
  • GB445569A - Improvements in artificial teeth or repair parts for natural teeth : en
  • GB445618A - Improvements in or relating to photographic cameras : en
  • CA357159A - Heat exchanger : en fr
  • FR796804A - Improvements to sound reproduction systems : en fr
  • GB445758A - Improvements relating to seats : en
  • GB445936A - Improvements in or relating to arrangements for mounting the components of wireless receiving apparatus : en
  • US2037396A - Electron discharge apparatus : en
  • US2037658A - Spray material : en
  • US2037032A - Mounting : en
  • USD99315S - thomas : en
  • DE628836C - Protection device for cold smoking chambers against smoking chamber fire : de en
  • DE628854C - Heat timer for electrical lighting systems : de en
  • DE628734C - Lubrication for internal combustion engines with controlling piston valve : de en
  • US2037071A - Apparatus for removing deposits of carbon, paints, varnish, and the like from engine parts : en
  • DE628842C - Process for metallizing porcelain : de en
  • US2037025A - Bilge barrel : en
  • CA357199A - Cathode for electro-deposition : en fr
  • CH183400A - Horizontal sliding window with several sashes that can be individually moved and swiveled out. : de en
  • DE628725C - Process for the production of Kuepen dyes : de en
  • US2037382A - Railway car construction : en
  • US2037019A - Boiler : en
  • US2037028A - Contact sulphuric acid process : en
  • US2037391A - Spring mounting for eye sets for dolls : en
  • DE628898C - Electric rotary switch with lubrication of the contact track : de en
  • ES140892A2 - An industrial product consisting of cement and asbestos channels. : en es
  • DE628803C - Device on writing business machines to secure the writing limit on the lower edge of the writing sheet : de en
  • DE628793C - Chip-removing pen for sound recording : de en
  • GB445542A - Rubber and its preparation for manufacture : en
  • US2037261A - Locking device : en
  • US2037444A - Form or mold for walls of concrete and the like : en
  • US2037215A - Automobile bumper : en
  • US2037441A - Measuring device : en
  • USD99334S - Design for a radio receiver : en
  • US2037402A - Blower : en
  • FR796766A - City, swimming and lifesaving belt : en fr
  • GB445670A - Improvements in paper-adjusting devices for typewriters, calculating and like machines : en
  • US2037389A - Nitriles of higher unsaturated fatty acids and a process of preparing them : en
  • US2037549A - Ironing machine : en
  • US2037164A - Air cleaner : en
  • US2037095A - Typographical machine : en
  • DE628789C - Sleeve seal for axle bushes of rail vehicles : de en
  • US2037319A - Process for treating mineral oils : en
  • US2037340A - Composite metal article of manufacture : en
  • DE628882C - Porous, partially glazed clay vessel for keeping milk fresh : de en
  • FR796705A - Improvements to the construction of metal folding seats : en fr
  • ES4026Y - Paper container for liquids. : en es
  • GB445654A - Improvements in typewriting machines : en
  • US2037033A - Vibration insulating joint : en
  • US2037059A - Internal combustion engine : en
  • US2037258A - Radio amplifier with arrangement for electric-phonograph reproduction : en
  • US2037290A - Refractory brick construction : en
  • US2037347A - Locking closure for containers : en
  • US2037656A - Spray material : en
  • GB445520A - Means for simultaneously determining the volume, the weight and the density of granular and other materials : en
  • DE628838C - Rubber springs : de en
  • DE628921C - Switching device for gear change transmission, especially for motor vehicles : de en
  • DE628906C - Centrifugal wheel for pumping gases and liquids : de en
  • US2037297A - Tile-like element : en
  • US2037331A - Air drying imitation leather finish : en
  • US2037323A - Pigments and film-forming compositions containing the same : en
  • US2037513A - Photographic camera : en
  • US2037557A - Vacuum cleaner : en
  • US2037580A - Triangle meter : en
  • FR796836A - Automatic distribution box : en fr
  • US2037141A - Gasoline dispenser : en
  • FR796797A - Method and means for carrying out anion exchanges in solutions : en fr
  • CH183475A - Planographic printing form, in particular offset printing form, and method for producing such a printing form. : de en
  • FR796701A - Absorption refrigeration machine whose operating cycle is automatically controlled by gravity : en fr
  • FR796855A - Improvements to high pressure seals : en fr
  • GB445744A - Improved manufacture of container caps for bottles, jars and other receptacles : en
  • CH183519A - Grief sign. : de en
  • DE606873C - Seamless metal tooth crown with porcelain facet : de en
  • DE628796C - Process for matting artificial silk textile goods, in particular stockings : de en
  • CH183476A - Device for printing hand-written type lines in line typesetting and printing machines with rotating male molds. : de en
  • CH183495A - Device for measuring, remote transmission and recording of changes in shape of test pieces subjected to mechanical stress. : de en
  • CH183395A - Apparatus for treating earth with steam. : de en
  • CH183501A - Talking machine with tape or wire-shaped sound carrier made of magnetic material. : de en
  • DE628870C - Wiper device for license plates of motor vehicles : de en
  • CH183550A - Switch with arc extinguishing by a pressure medium. : de en
  • CH183396A - Process for the production of acid-free coverings that insulate against heat, sound and moisture : de en
  • GB445516A - A locking device for motor cycles and the like : en
  • GB445630A - Improvements in or relating to high-pressure gas-lighting systems : en
  • USD99259S - Design fob a textile fasric or : en
  • CA357140A - Signal switch : en fr
  • USD99309S - Design for a door handle or : en
  • FR796773A - Switched socket outlet : en fr
  • US2037507A - Composition material : en
  • CA357212A - Power lift clutch mechanism : en fr
  • CH183592A - Process for the preparation of an azo dye. : de en
  • DE628824C - Device for filling receptacles : de en
  • CA357121A - Duplicate book : en fr
  • DE628785C - Machine for labeling rolls with an axial hole : de en
  • CH183440A - Method of making a bread. : de en
  • GB445702A - Improvements in mills of the roll and breast bar type : en
  • US2037387A - Electric gaseous discharge device : en
  • US2037537A - Process for cracking oils : en
  • ES4018Y - Jockstrap intended to contain different parts of the human body. : en es
  • GB445662A - Internal combustion engine cylinder head : en
  • US2037002A - Grinding machine having an electrically controlled sizing device : en
  • US2037458A - Flexible grille : en
  • CA357143A - Tennis ball : en fr
  • DE628871C - Edge strip for skis : de en
  • DE628901C - Hydrocarbon gas generator : de en
  • CA357127A - Motor vehicle lighting arrangement : en fr
  • US2037337A - Heating apparatus : en
  • USD99304S - Design for a jab or similar article : en
  • USD99316S - Design fob a flashlight casing : en
  • USD99336S - Design for a flashlight head : en
  • US2037681A - Tool holder : en
  • US2037414A - Thread separator for spinning machines : en
  • US2037685A - Dehydration and purification of co gas : en
  • DE628900C - Process for the production of high-emissivity cathodes in multi-system tubes : de en
  • US2037533A - Grid structure for vapor electric devices : en
  • CA357158A - Card punching machine : en fr
  • US2037041A - Illuminated sign : en
  • USD99320S - Design for a shoe or similar article : en
  • DE628907C - Furnace for melting aluminum : de en
  • CH183452A - Process for the preparation of an aryldiazonium salt. : de en
  • CA357115A - Elastic plug : en fr
  • US2037643A - Multiple drive transmission unit : en
  • US2037039A - Apparatus for baling paper pulp : en
  • US2037065A - Firearm : en
  • US2037405A - Method of tempering cream : en
  • DE628714C - Laundry dryer with rods lined up rotatably on a bolt or the like : de en
  • FR796960A - Heat exchanger installations for fluids : en fr
  • GB445682A - Improvements in or relating to electric conductors and methods of insulating them : en
  • GB445555A - Manufacture of stable preparations of anaesthetic agents : en
  • US2037058A - Motor vehicle : en
  • US2037262A - Transmission mechanism : en
  • US2037485A - Radio receiving system : en
  • USD99295S - Design for a trailer : en
  • DE628844C - Float valve for water flush boxes : de en
  • GB445519A - Improvements in or relating to covers for loose leaves or the like : en
  • GB445689A - Improvements in electric spot-welding installations : en
  • CH183489A - Sighting device for dropping objects from aircraft in a dive. : de en
  • US2037027A - Lighter : en
  • US2037490A - Rotary heat exchanger : en
  • US2037226A - Car roof : en
  • US2037279A - Fastening device for lenses : en
  • US2037191A - Registering device : en
  • US2037385A - Refining hydrocarbon oil : en
  • US2037014A - Optical system : en
  • US2037468A - Apparatus for the purification of carbon bisulphide : en
  • US2037519A - Liquid congealing apparatus : en
  • US2037106A - Telephone system : en
  • US2037514A - Nonrefillable bottle : en
  • CA357208A - Granular material separator : en fr
  • CH183595A - Process for the preparation of an azo dye. : de en
  • US2037113A - Method and apparatus for forming rubber articles : en
  • US2037199A - Bearing removing and inserting device : en
  • US2037459A - Valve for eliminating odor and smoke in exhaust gases : en
  • CH183399A - Up-and-over door. : en fr
  • GB445490A - Improvements in or relating to dynamo-electric machines : en
  • CA357192A - Valve : en fr
  • DE628805C - Rotary switch with sound insulation : de en
  • GB445709A - Improvements in the separation of dust from coal : en
  • US2037003A - Articulator : en
  • DE628538C - Zinc-carbon element with alkaline electrolyte and air-depolarized carbon electrode : de en
  • USD99296S - Design fob a hair drier : en
  • US2037342A - Hat block chuck : en
  • US2037454A - Film framing device : en
  • DE628570C - Method and device for hardening glass : de en
  • CH183527A - Gear transmission. : de en
  • CA357216A - Filament manufacture : en fr
  • CH183562A - Substance protecting against war gases of the yperite type and process for the production thereof. : de en
  • GB445686A - Improvements in means for end tipping the deck or top platform of lorries and such like : en
  • US2037073A - Liquid dispensing applicator : en
  • US2037080A - Wrapping and banding machine : en
  • US2037328A - Hydrometer : en
  • CA357128A - Steel beam or spring : en fr
  • FR796952A - Metal door : en fr
  • GB445730A - Improvements in joints of spectacle frames and method of producing the same : en
  • DE628872C - Rolls-on-roll with rubber tires consisting of superimposed layers of different hardness : de en
  • DK51518C - Iron. : da en
  • US2037300A - Combined pea harvester and huller : en
  • FR796985A - TV transmitter : en fr
  • FR796987A - Improvements in the manufacture and production of interesting hydrocarbons : en fr
  • GB445680A - An improved method of adjusting the regulator lever of watches and clocks and the like : en
  • FR796784A - Process for increasing the volume of tar for road works : en fr
  • GB445851A - Improved method and plant for the manufacture of shaped fuel : en
  • FR796752A - Improvements to rail joint constructions : en fr
  • FR796756A - Hydraulic brake : en fr
  • USD99258S - Design for a textile fabric or : en
  • DE628915C - Thread connection for pipes : de en
  • US2037148A - Electric gas lighter : en
  • DE628727C - Yarn guide drive device for flat weft knitting machines : de en
  • DE628932C - Machine for screwing heels onto shoes : de en
  • GB445525A - Improvements in or relating to delivery mechanism for use with newspaper printing machines or the like : en
  • GB445639A - Improvements in the manufacture of a mixture of coal gas and water-gas : en
  • GB445650A - Process for producing a special malt : en
  • US2037054A - Rotary driving connection : en
  • CH183520A - Radial plain bearings with centrifugal lubrication. : de en
  • US2037018A - Boiler : en
  • US2037621A - Tillage combine : en
  • ES3990Y - Removable container box made of cardboard, wood or similar materials. : en es
  • FR796802A - Process and apparatus for molding tiles : en fr
  • FR796999A - Process for the vulcanization of rubber articles : en fr
  • CH183417A - Door template. : de en
  • CH183557A - Sewing lamp. : de en
  • CH183539A - Cooling system. : de en
  • CA357223A - Fire extinguishing foam producing apparatus : en fr
  • US2037034A - Braking system : en
  • US2037208A - Locomotive crosshead : en
  • FR796879A - Sound damper device to promote the exhaust of internal combustion engines : en fr
  • GB445556A - Improvements in or relating to two-stroke internal combustion engines : en
  • US2037016A - Indicating system for pneumatic tires : en
  • US2037270A - Paper fastener : en
  • US2037585A - Method of making phenolic resins : en
  • US2037134A - Filter : en
  • US2037569A - Sanitary tooth brush holder : en
  • CH183500A - Calculator. : en fr
  • US2037066A - Connecter : en
  • CA357135A - Vehicle finger guard : en fr
  • CA357206A - Cyclic compound alkylation : en fr
  • DE613973C - Circlip for fastening bolts in suspension insulators made of several co-rotating wire screws screwed into one another : de en
  • CA357233A - Pocket case : en fr
  • US2037026A - Vaporproof mounting for receptacles : en
  • US2037232A - Trolley anchor : en
  • GB445605A - Process of and apparatus for the production of magnesium sulphate with a low water content or in the anhydrous condition : en
  • CH183492A - Automatic firearm. : de en
  • FR796778A - Acid hardening fixing composition and method of preparation : en fr
  • FR796989A - Improvements to pumps, compressors, rotary motors and similar machines : en fr
  • CA357214A - Electrical control device : en fr
  • USD99263S - Design for a game board : en
  • CH183503A - Watch movement. : en fr
  • DE628750C - Double vessel for the extraction of emanation from a radioactive solution : de en
  • FR796977A - Improvements to gas protection devices : en fr
  • US2037682A - Fastening installation and fastener therefor : en
  • DE628888C - Recovery wheel with horizontal axis : de en
  • DE628457C - Device for automatic delivery of emergency signals : de en
  • DE628801C - Method and device for oiling piston engines : de en
  • FR796830A - Frequency changer device for radio receiver : en fr
  • US2037670A - Ornament mounting structure : en
  • US2037375A - Method of tempering electric heater shells made of phenol-formaldehyde condensation product : en
  • US2037630A - Pliable electrical fitting : en
  • CH183410A - Window lock for three-sash and multi-sash pivot windows. : de en
  • US2037158A - Apparatus for production of inert co2 containing gas : en
  • US2037144A - Shaft seal : en
  • US2037046A - Cartridge packing : en
  • US2037112A - Salts of tetrahydro-n-methyl nicotinic acid-methylester with aminosubstituted arsonic acids : en
  • US2037312A - Musical instrument : en
  • NL37942C - : en
  • US2037000A - Flat-knit non-run or strongly runresistant stocking and blank therefor and method ofmaking same : en
  • US2037638A - Radio receiver : en
  • CA357191A - Anti-anemic substance and process : en fr
  • NL37802C - : en
  • CH183555A - Tube for wireless communication devices. : de en
  • GB445704A - Improvements relating to hydraulic operating valves : en
  • US2037641A - Auxiliary locomotive : en
  • CH183392A - Mower. : de en
  • US2037206A - Shaft bearing : en
  • US2037571A - Control of plugging : en
  • NL38018C - : en
  • USD99290S - Design for a trailer tank : en
  • DE1370464U - : de en
  • CA357142A - Adjustable bracket : en fr
  • DE628769C - Electric heating plate that works according to the induction principle : de en
  • DE628826C - Device for separating flat bodies from materials to be sorted : de en
  • FR796720A - Improvements for assemblers of typographic typesetting machines : en fr
  • US2037370A - Filtering medium and processes of producing the same : en
  • US2037597A - Apparatus for making multicolored paperboards : en
  • NL37775C - : en
  • CH183517A - Method and apparatus for producing a replica of objects. : de en
  • FR796846A - High fidelity system with variable selectivity for t receiving devices. s. f. : en fr
  • FR796956A - Process for the recovery of copper in the manufacture of copper silk : en fr
  • GB445571A - Delustring of lustrous textile materials and articles made therefrom : en
  • US2037592A - Refrigeration : en
  • US2037138A - Apparatus for collapsing flexible containers : en
  • US2037145A - Irrigation nozzle : en
  • USRE19928E - Vacuum operated gear shift : en
  • US2037069A - Blade wheel propeller : en
  • USD99323S - Design for a trailer vehicle : en
  • US2037161A - Apparatus for the optical calibration of timepieces : en
  • US2037272A - Vehicle wheel : en
  • US2037283A - Meat slicer : en
  • US2037357A - Ultra short wave tube : en
  • CH183445A - Process for the production of fluorine. : de en
  • DE628868C - Device for taking up ballast water : de en
  • GB445485A - Improvements in or relating to television transmitting apparatus : en
  • US2037494A - Liquid pressure braking means for vehicles : en
  • US2037663A - Flow controlling device : en
  • CA357229A - Traction line for ski-runners : en fr
  • GB445643A - Improvements in or relating to pressure compensating devices : en
  • US2037452A - Slippage compensator for sound units : en
  • DE628740C - Cinema recorder : de en
  • US2037303A - Universal joint unit : en
  • US2037552A - Cable system : en
  • CH183521A - Link for belts, chains or the like. : de en
  • CH183546A - Electric regulator for organs to be controlled depending on pressure, temperature or humidity. : de en
  • AU2226635A - An improved wire binding machine : en
  • CH183545A - Spring-loaded contact pin. : de en
  • US2037412A - Tractor wheel accessory : en
  • US2037516A - Ice tray and grid : en
  • USD99269S - Design for an illuminated crucifix : en
  • CH183484A - Device for extracting liquid from a container, in divided quantities. : en fr
  • GB445583A - Improvements in or relating to roller blind telephone directories : en
  • CA357149A - Foot arch support : en fr
  • DE628810C - Process for the production of socks in one operation on the flat weft knitting machine : de en
  • US2037174A - Coin collector : en
  • US2037354A - Internal combustion engine and cooling apparatus therefor : en
  • GB445507A - Improved means for moving from the outside of a cathode ray tube, a body disposed within the envelope : en
  • GB445513A - Improvements in and relating to spectacles : en
  • US2037249A - Apparatus for baling paper pulp : en
  • US2037146A - Traffic signal switch : en
  • CA357131A - Aircraft : en fr
  • DE628876C - Verdol paper : de en
  • CA357160A - Material heating process : en fr
  • DE628812C - Boilers for burning slag-forming, fine-grain fuels : de en
  • US2037522A - Hard board and method of making same : en
  • CA357195A - Filter : en fr
  • CH183536A - Magneto. : de en
  • CH183577A - Device on motor vehicle wheels for increasing the adhesiveness of the latter. : de en
  • US2037374A - Mine car : en
  • US2037528A - Wind motor : en
  • US2037541A - Control valve : en
  • CH183493A - Air conditioning installation for combat gas shelters. : en fr
  • DE628628C - Suction and cleaning device operated with a gaseous pressure medium, especially for suctioning off dust : de en
  • DE628832C - With amplifier operated telecommunication cable with large line attenuation (over 8 Neper) for four-wire operation : de en
  • DE628867C - Relief device for fluid conveying systems : de en
  • CH183462A - Process for the transformation under pressure and in the liquid phase of hydrocarbons with high boiling points into hydrocarbons having lower boiling points. : en fr
  • GB445685A - Improvements in escapement mechanism for typewriting machines : en
  • US2037150A - Error indicator for open-wire circuits : en
  • US2037660A - Monogram frame : en
  • CA357176A - Dye : en fr
  • US2037604A - Electrical metal gathering machine : en
  • US2037153A - Transmission : en
  • CH183574A - Wheel rim. : de en
  • CA357161A - Welding rod : en fr
  • DE628685C - Ring valve with handlebar guidance : de en
  • US2037626A - Airplane : en
  • US2037437A - Xanthates : en
  • US2037023A - Siphon breaker : en
  • US2037168A - Tube construction and circuit arrangement : en
  • CA357116A - Metal sheet joint : en fr
  • ES4043Y - Detachable hammock. : en es
  • GB445637A - Improvements relating to door latch or latch and lock operating mechanism : en
  • CH183409A - Process for the production of bituminous setting building material mixtures. : de en
  • CH183563A - Card punch machine for hole reproduction. : de en
  • GB445850A - Exhaust device for internal combustion engines : en
  • CH183522A - Sealing device for rotating shaft. : en fr
  • GB445530A - Improvements in or relating to pianos : en
  • CA357189A - Mechanical pencil : en fr
  • US2037617A - Manually driven casting machine : en
  • DE628720C - Differential relay : de en
  • US2037453A - Film gate : en
  • US2037418A - Circuit breaker : en
  • US2037219A - Railway rail support : en
  • USD99285S - Design fob a doily : en
  • US2037198A - Automatic safety backstop : en
  • DE628787C - Note gate : de en
  • CA357204A - Alternating current transmission system : en fr
  • US2037052A - Doll : en
  • US2037230A - Shoe : en
  • US2037091A - Printing press : en
  • CH183573A - Heating device on motor vehicles. : de en
  • FR796730A - Improvements to terminals for high frequency electrical devices : en fr
  • US2037627A - Device for controlling the action of a fluid under pressure : en
  • CH183464A - Process for the separation and regeneration of solvents and precipitants in the production of structures from cellulose derivatives. : de en
  • CA357181A - Tire tube : en fr
  • CH183469A - Envelope. : en fr
  • US2037634A - Convertible high chair and baby walker : en
  • FR796751A - Grid cleaning device : en fr
  • GB445627A - Improvements in or relating to signal lights : en
  • DE628865C - Process for breaking down cocoa : de en
  • US2037265A - Pump : en
  • US2037650A - Light signal : en
  • CH183506A - Welding transformer. : de en
  • ES4031Y - Calendar rolled in the form of a reel or coil printed on one side with your dates. : en es
  • USD99317S - Design fob a drawer pull or : en
  • FR796824A - Hygienic diaper for children and patients : en fr
  • FR796975A - Improvements to presses, in particular to riveting and pressure punching presses, as well as to the equipment of these presses : en fr
  • GB445616A - Improvements in or relating to cans, canisters, and like containers : en
  • GB445707A - Improvements in or relating to miniature upright pianos : en
  • CA357237A - Variable speed transmission : en fr
  • CH183586A - Method of preserving food. : de en
  • CH183413A - Process for decorating glass objects. : de en
  • FR796962A - Bonding medium composed of a polymerization product for the assembly of composite glass elements or other layered products : en fr
  • GB445514A - Process for the production of intensifying foils for x-ray photography : en
  • GB445733A - An adjustable weave-correcting winch for materials which are in open widths and long lengths : en
  • GB445615A - Improvements relating to machines for spreading material on roads and similar surfaces : en
  • CA357136A - Belt fastener : en fr
  • CH183404A - Humidifiers for radiators. : de en
  • CH183591A - Process for the preparation of an azo dye. : de en
  • DE628885C - Safety burner, the valve of which is actuated by a disk-shaped heat spread : de en
  • GB445511A - Improvements in or relating to the manufacture of malt : en
  • CH183597A - Process for the production of a new, acidic dye of the anthraquinone series. : de en
  • CH183554A - Arrangement for regulating converters by means of a grid. : de en
  • FR796774A - Electromagnetic automatic circuit breaker : en fr
  • GB445602A - Improvements in pumps, such for example as scavenging pumps of internal combustion engines of the two-stroke cycle type : en
  • US2037480A - Detachable blade for agricultural implements : en
  • USD99265S - H t burrow : en
  • US2037247A - Machine for beading bodies of sheet metal barrels : en
  • DE625648C - Sports costume convertible into a coat : de en
  • GB445725A - Improvements in heels for boots and shoes having heel tips inserted therein : en
  • ES3141Y - Molded glass bottle with filleted neck. : en es
  • FR796904A - Manufacturing process of o-oxyazo dyes : en fr
  • GB445852A - Improvements in and relating to the manufacture of engine, hydraulic and other packings : en
  • US2037298A - Hydraulic jack : en
  • FR796928A - Improvement in automatic telephone communication devices, in particular telephone devices operating with carrier waves on high current lines : en fr
  • DE628811C - Process for the desulphurization of gases : de en
  • GB445596A - Improvements in electrical signalling means : en
  • DE628930C - Process for the production of a wheel by assembling a pressed spoke star and a rim : de en
  • GB446172A - Improvements in or relating to photographic reversal processes : en
  • GB445508A - Improvements in or relating to butter churning means : en
  • GB445585A - Improvements in or relating to typewriting machines, calculating machines and similar accounting machines : en
  • GB445668A - Improvements in or relating to high frequency telegraph transmitters : en
  • DE628767C - Device for practicing the method for testing instrument transformers : de en
  • DE628908C - Shoe shine container : de en
  • FR796934A - Process for the manufacture of self-lubricating bodies, composed of an intimate mixture of metal powder or metal alloy and graphitic powder : en fr
  • DE628705C - Circuit arrangement for telecommunication systems, in particular telephone systems, in which, on a common line, optionally callable branch points can lead individual and group calls : de en
  • ES4056Y - Folding fan. : en es
  • GB445505A - Improvements in or relating to bicycle and like rim brakes : en
  • FR796931A - Cement pole for oyster and shellfish farming : en fr
  • CH183444A - Process for the preparation of emulsions and emulsions prepared according to the same. : de en
  • NL38191C - : en
  • US2037123A - Electric signal means for vehicles : en
  • CH183584A - Overtemperature protection, especially on electrical hot water storage tanks. : de en
  • US2037333A - Glider : en
  • US2037669A - Bituminous dispersions : en
  • CH183467A - Process for the preparation of an alkaline reacting medium for feeding hot water and steam generators. : de en
  • US2037056A - Process of producing acetylene gas : en
  • US2037438A - Window cleaning seat : en
  • US2037686A - Insulating and dielectric compositions : en
  • US2037675A - Collapsible paper can : en
  • CH183424A - Cleaning rags. : de en
  • CH183459A - Process for the preparation of an azo dye. : de en
  • CH183511A - Veneer screw press. : de en
  • AU121036A - A rubber bag for protecting foodstuffs : en
  • US2037380A - Art of cracking hydrocarbons : en
  • US2037425A - Means for measuring fluid pressures : en
  • US2037022A - Tank truck : en
  • US2037166A - Electrooptical system : en
  • US2037195A - Belting : en
  • CH183599A - Atomizer. : de en
  • US2037125A - Pressure control : en
  • US2037527A - Apparatus for determining the toughness of abrasive bodies : en
  • US2037574A - Separating and concentrating machine : en
  • ES140979A1 - A BEARING BODY PROVIDED WITH TORCIDED GREASE FOR RECESSED SLIDING BEARINGS : en es
  • US2037051A - Valve timing compensator for internal combustion engines : en
  • US2037233A - Cotton rolling machine and method of making cotton absorbent rolls : en
  • US2037318A - Process and apparatus for treating mineral oils : en
  • US2037172A - Snap cap closure : en
  • US2037492A - Valve for pneumatic engines : en
  • CA357200A - Metal coating method : en fr
  • CA357125A - Weather-proofing device : en fr
  • CH183483A - Fountain pens for graphite leads, in particular for drawing purposes. : de en
  • US2037015A - Crutch pad : en
  • US2037217A - Cathode : en
  • US2037408A - Writing implement : en
  • US2037076A - Sled : en
  • US2037467A - Continuous milk delivery system : en
  • US2037140A - Compressor unloader : en
  • DE628902C - Rotary grate gas generator with a rotatable water-filled ashtray : de en
  • DE628909C - Oven or stove wall with thin tile plates : de en
  • SE86100C1 - : en
  • FR796712A - Pipe assembly device : en fr
  • FR796936A - Improvements to electric heaters or radiators : en fr
  • FR796926A - Maneuvering device for loading devices for extraction installations with well containers : en fr
  • ES3587Y - Bottle for all kinds of soft drinks. : en es
  • GB445536A - A process of and means for the conversion of unmatured spirits into brandy or whisky : en
  • GB445729A - Wheels for pneumatic tyres : en
  • DE628742C - Device for operating individual electrical devices in electric toy trains powered by direct current by remote control : de en
  • FR796839A - Improvement in filters against arsines and toxic fumes : en fr
  • FR796905A - Multiple remote control game by photo-ballistic processes : en fr
  • GB445566A - Improvements in or relating to electrically driven centrifugal machines : en
  • GB445629A - A new or improved machine or apparatus for cutting, slicing, mashing, or squeezing vegetables, fruit, and other foodstuffs : en
  • FR796929A - Process for the preparation of pectin : en fr
  • FR796733A - Improvements to transmitting devices for television : en fr
  • GB445561A - Improvements in and relating to the casting of metals : en
  • DE628829C - Process for the preparation of N-alkylated imino compounds : de en
  • FR796738A - Mechanical transmission for so-called suspended vehicles : en fr
  • DE628936C - Process for the production of abrasive grains : de en
  • DE628895C - Device for removing cooling vessels : de en
  • ES4065Y - Hygienic reservoir for shaving cream or soapy paste. : en es
  • FR796947A - Radio receiver with remote control : en fr
  • FR796919A - Metal pipe press and other drawing presses, incorporating an electrically heated receiving element : en fr
  • GB445500A - Improvements in or relating to apparatus for playing table games : en
  • GB445528A - Improvements in and relating to baling presses : en
  • DE628759C - Process for separating mono-, di- and trimethylamine from their mixtures : de en
  • FR796979A - Method and device for the manufacture of artificial silk : en fr
  • GB445619A - Improvements relating to fluid pressure cylinders : en
  • US2037360A - Shutter for photographic cameras : en
  • FR796763A - Method and device for the manufacture of a knitted article and products obtained : en fr
  • CH183498A - Device for performing calculations. : en fr
  • CH183447A - Process for the preparation of a detergent containing active oxygen. : de en
  • CH183580A - Bogie with relieved pivot pin, for rail vehicles. : de en
  • CH183463A - Fuel or heating fuel, in particular propellants for vehicle internal combustion engines. : de en
  • FR796971A - Headlamp, in particular for vehicles : en fr
  • GB445568A - Improvements in or relating to containers or cartons for photographic roll film cartridges : en
  • CA357126A - Vibrating apparatus for ramming concrete : en fr
  • US2037338A - Key case : en
  • USD99267S - Design for an instrument case : en
  • US2037120A - Socket for plug fuses : en
  • US2037207A - Combined liquid dropper and discharging device : en
  • DE628779C - Advertising eye-catcher, especially for shop windows, with tape running around a hollow body : de en
  • US2037577A - Television method and apparatus : en
  • US2037595A - Process for the production of crystals of salts : en
  • US2037184A - Clamp : en
  • USD99329S - Design fob a set of game pieces : en
  • US2037301A - Fastener for trimming material : en
  • US2037336A - Railway car truck : en
  • US2037600A - Method of making chromite refractories : en
  • FR796714A - Proportional partition : en fr
  • US2037159A - Wave range changing over device for radio receiving apparatus : en
  • US2037359A - Musical tone modulator : en
  • US2037599A - Process for reacting rubber with halogen and oxygen gases : en
  • USD99328S - Design for a wheel : en
  • DE628733C - Harpoon line for catching large sea animals, especially whales : de en
  • CA357145A - Stove : en fr
  • CH183526A - Automatic shutter for water pipes. : en fr
  • US2037309A - Combination tray and door bolt : en
  • CA357203A - Spring making apparatus : en fr
  • CH183402A - Procedure for laying ropes when assembling cable bridges in order to reduce the slack in the ropes during assembly. : de en
  • GB445506A - A process for burning oil : en
  • GB445573A - Improvements relating to electro-magnetically actuated horns : en
  • GB445597A - Collapsable canoe : en
  • FR796841A - Improvements to the lift and propulsion of aerial vehicles : en fr
  • GB445785A - Improvements in or relating to the manufacture of stockings : en
  • US2037068A - Beater for mixing machines : en
  • US2037445A - Radio receiver : en
  • US2037673A - Method and apparatus for effecting the discharge of a volatile liquid : en
  • US2037193A - Teletypewriter switchboard : en
  • US2037213A - Crankcase oil comparator : en
  • US2037665A - Boiler : en
  • US2037131A - Hay press : en
  • US2037294A - Laminated material : en
  • CH183470A - Procedure for binding books. : de en
  • US2037299A - Cultivator : en
  • CH183474A - Spring space for line typesetting and printing machines. : de en
  • CA357134A - Oil package : en fr
  • CA357155A - One button switch : en fr
  • CH183564A - Telegraph system for dual stream operation. : de en
  • DE628886C - Point chisels for breakers : de en
  • DE628905C - Ringing device on knitting and loop knitting machines with rotating cylinder : de en
  • CA357150A - Typewriter mechanism : en fr
  • US2037481A - Adhesive applicator for french folding mechanisms : en
  • FR796884A - Improvements to remote control devices for motor starters : en fr
  • GB445579A - Improvements in and relating to electric discharge devices : en
  • CH183419A - Armchair. : en fr
  • CH183509A - Process for interlocking files, milling tools or the like. : de en
  • CH183544A - Device for connecting shielded electrical lines to apparatus and machines. : de en
  • US2037013A - Manufacture or treatment of products or articles having a basis of cellulose derivatives : en
  • US2037122A - Attaching means for metal parts and insulating materials : en
  • ES3229Y - Hinge-hinge for double leaves. : en es
  • GB445489A - Improvements in incandescent electric lamps : en
  • US2037343A - Card for corn pads and the like : en
  • US2037534A - Vehicle jack : en
  • GB445735A - Improvements relating to the setting and flues of fire-back boilers : en
  • GB445604A - Improvements in electric circuit arrangements for use in conjunction with electric discharge devices : en
  • GB445849A - Improvements in or relating to a method of and apparatus for refining magnesium : en
  • CA357187A - Wallboard construction : en fr
  • CH190308A - Remote display device. : de en
  • DE628623C - Device for loading systems with mixed grained material : de en
  • GB445747A - Improved means for operating internal combustion engines with liquefied gases : en
  • CH183439A - Anti-skid fitting element for sports shoes, in particular for athletics shoes. : de en
  • DE628880C - Arrangement to avoid interfering noises when operating amplifiers fed from an alternating current network via full-wave rectifiers : de en
  • GB445463A - Improvements in or relating to machines for planting potatoes and the like : en
  • GB445593A - Improvements in and relating to electric discharge devices : en
  • US2037462A - Coin controlled mechanism : en
  • US2037517A - Ice freezing device : en
  • FR796831A - Tedder fork : en fr
  • FR796970A - Device for testing motor vehicles : en fr
  • IE13987L - Automobile bodies; air ducts : en
  • DE628820C - Device for demonstrating advertising on a universal light or color flap structure : de en
  • FR796997A - Stool enhancements for cycles : en fr
  • DE628616C - Device for generating slow mechanical vibrations using an asynchronous motor fed by a single-phase network : de en
  • FR796955A - Process for obtaining composite safety glass against shattering : en fr
  • FR796807A - Hand utensil for the preparation of whipped cream : en fr
  • CA357198A - Furniture corner : en fr
  • GB445486A - Improvements in or relating to holders for vacuum tubes : en
  • CH183538A - Device for supplying an internal combustion engine with heavy oil. : en fr
  • DE628859C - Protective device on building hatches : de en
  • US2037086A - Automatic web guide : en
  • CH183422A - Use for cupboards, tables and other furniture, namely filing cabinets. : de en
  • ES4045Y - Apparatus for squeezing oranges, lemons and similar fruits. : en es
  • FR796754A - Bicycle frame : en fr
  • FR796976A - Improvements made to bearings and their lubrication process : en fr
  • GB445859A - Closure for containers for use in strewing powders and the like : en
  • US2037115A - Carline assembly : en
  • GB445676A - Improvements in cathode-ray oscillographs and other electric discharge tubes : en
  • GB445499A - Improvements in or relating to electron discharge tubes : en
  • FR796900A - Cover to give books of all kinds the appearance of hardcover books : en fr
  • USD99335S - Design for a coat : en
  • DE628702C - Die setting and line casting machine with a device for filling or centering short lines : de en
  • FR796724A - Advanced machine for grinding gear wheels : en fr
  • CA357166A - Mixed cellulose ester and product : en fr
  • US2037186A - Apparatus for making candle holders : en
  • US2037196A - Mixture of and method of admixing sodium morrhuate and quinine solution : en
  • DE628925C - Cushioning, especially for trucks : de en
  • US2037075A - Phototube : en
  • US2037292A - Manufacture of films : en
  • FR796827A - Flexible, waterproof and non-combustible coating : en fr
  • GB445625A - Fluid epicyclic power transmitter : en
  • CH183442A - Method and device for the automatic reciprocation of organs rotating about an axis in the direction of their axis of rotation. : de en
  • CA357221A - Fuel injecting pump : en fr
  • CH183412A - Process for the manufacture of mirrors. : de en
  • US2037220A - Siphon head for mineral water bottles : en
  • US2037591A - Horse collar pad : en
  • US2037296A - Chuck mechanism : en
  • USD99330S - Design for a quilted fabric article : en
  • FR796845A - Device for automatic suspension and disengagement of portable motors used for boiler work : en fr
  • DE628777C - Device for turning spherical surfaces : de en
  • CH183453A - Process for the preparation of an azo dye. : de en
  • FR796731A - Portable toiletry bag combined with handbag : en fr
  • DE628894C - Dust protection plate for typewriters : de en
  • US2037355A - Method of making a food product : en
  • DE628933C - Ignition device for smoke candles, incendiary devices, smoldering devices or the like for nebulizers : de en
  • US2037157A - Pay telephone station : en
  • FR796892A - Smoke detection fire signaling device : en fr
  • GB446092A - Improvements in pyrophoric igniters : en
  • GB445934A - Improvements in and relating to studs for road-surface markings, traffic signs and the like : en
  • FR796943A - Free piston engine gas generator : en fr
  • FR796726A - Process for obtaining rail joints by gas welding, with the use of shoe calipers or soles with calipers : en fr
  • FR796939A - Improvements in the attachment of bushings for mops : en fr
  • US2037149A - Reversible regenerative furnace : en
  • FR796816A - Improvements to thin body cutting processes : en fr
  • US2037407A - Shaking conveyer : en
  • GB445868A - Improvements in bust supports or brassieres : en
  • US2037305A - Transmission mechanism for motor vehicles : en
  • GB445691A - Improvements in or relating to cash registers : en
  • CH183425A - Container with a sliding filter intended for preparing and filtering infusions. : en fr
  • CH183438A - House and slipper. : de en
  • GB445503A - Improvements relating to motor fuels : en
  • US2037200A - Bag sealing method and apparatus : en
  • CH183514A - Method and device for the production of horse blankets from leather. : de en
  • GB445502A - Improvements in or relating to hinges for window sashes : en
  • US2037040A - Spot welding gun : en
  • US2037264A - Apparatus for treating material : en
  • CA357228A - Folding container : en fr
  • US2037243A - Paper machinery : en
  • US2037255A - Electromagnetic translating device : en
  • DE628831C - Stranding machine for stranding several wires or strands twisted along their axes with a non-circular cross section : de en
  • DE628729C - Machine for trimming the heads of pit wood stamps : de en
  • DE628798C - Laundry kettle with pouring device and display device : de en
  • GB445761A - Improvements in or relating to a method of and apparatus for use in testing the tension of gas tight fabrics and/or skins : en
  • GB445673A - Universal joint : en
  • FR796753A - Calculating or tabulating machine controlled by punched cards and fitted with a device for transferring orders of magnitude or quantities from one meter to another : en fr
  • GB445535A - Improvements in or relating to cash registers, accounting machines and similar machines : en
  • US2037036A - Can piercing device : en
  • US2037561A - Tab end folding mechanism : en
  • US2037275A - Saddle tree : en
  • CA357182A - Hydrocarbon oil processing : en fr
  • CH183433A - Process for the production of long-life finishing agents and long-life finishing agents prepared according to the same. : de en
  • US2037449A - Collar holder : en
  • CH183457A - Process for the preparation of a new trisazo dye. : de en
  • DE628718C - Process for producing telephone groups : de en
  • US2037152A - Liquid agitator : en
  • US2037035A - Television synchronization method and apparatus : en
  • US2037410A - Can opener : en
  • US2037499A - Fuel tank closing cap : en
  • US2037688A - Automatic drink vending machine : en
  • CH183477A - Photographer apparatus. : de en
  • CH183448A - Process for the preparation of organic fluorine compounds and apparatus for carrying out the process. : de en
  • CA357171A - Ethylpropylacrolein hydrogenation : en fr
  • USD99277S - Design for a phonograph cabinet : en
  • DE628743C - Resilient iron pit die made of open rolled sections : de en
  • CA357175A - Thiazoline dye : en fr
  • CA357184A - Heating device : en fr
  • US2037406A - Rigging for saddles : en
  • US2037180A - Safety razor : en
  • US2037654A - Process for the preparation of organic acids from ketones : en
  • USD99324S - Design for a plating board for : en
  • US2037395A - Multistage fan : en
  • US2037044A - Method of and apparatus for measuring the evenness of materials : en
  • US2037637A - Atmosphere testing device : en
  • US2037267A - Power supply network for thermionic tubes : en
  • US2037202A - Variable vacuum tube resistor : en
  • DE609797C - Method and device for the production of a fabric with a high weft density : de en
  • US2037302A - Safety gas valve : en
  • US2037350A - Flexible tube and union : en
  • FR796806A - Method and device for fitting zinc roof joint covers : en fr
  • GB445718A - Improvements in and relating to coin-freed prepayment mechanism : en
  • US2037570A - High speed circuit breaker : en
  • DE628781C - Device for sharpening mower knives : de en
  • CH183479A - 35mm photographic camera with viewfinder chamber. : de en
  • US2037598A - Combustion chamber air feed means : en
  • US2037642A - Blade lock for metal cutting tools : en
  • US2037107A - Transmission gain control : en
  • US2037429A - Tire cover : en
  • US2037531A - Jack : en
  • US2037057A - Automatic leveling device : en
  • CA357193A - Precipitating apparatus : en fr
  • DK51516C - Cutting device for paper folding machines. : da en
  • FR796814A - Extraction process for splitting a mixture of liquids into its constituents : en fr
  • CA357209A - Dewaxing system : en fr
  • GB445522A - Vehicles for collecting refuse : en
  • GB445743A - Improvements relating to the winding of yarns and filaments : en
  • CH183481A - Process for producing castable texts or drawings on finished films. : de en
  • FR796769A - Tennis racket training : en fr
  • GB445734A - Rotary automatic breech mechanism for generating combustion products under pressure : en
  • US2037067A - Method and apparatus for treating woven wire fabric : en
  • US2037284A - Ophthalmic mounting : en
  • US2037424A - Water tube boiler construction : en
  • CA357156A - Tobacco pipe : en fr
  • DE628923C - Adjustment device for the radially movable gripper on drive wheels for motor vehicles : de en
  • FR796794A - Television process : en fr
  • FR796992A - Guillotine window : en fr
  • CA357119A - Ventilator : en fr
  • US2037098A - Push-back curtain and drapery hook : en
  • US2037163A - Roofing : en
  • US2037625A - Trap joint and drain outlet : en
  • US2036993A - Hitch : en
  • US2037593A - Blow-out preventer : en
  • US2037613A - Securement of heels to shoes : en
  • CA357118A - Tobacco can : en fr
  • CA357180A - Lubricant production : en fr
  • US2037201A - Clinical surface thermometer : en
  • CH183518A - Process for the production of hand-drawn images in pastel colors. : de en
  • CH183532A - Valve-controlled four-stroke internal combustion engine. : de en
  • US2037321A - Clutch and brake operating mechanism : en
  • USRE19930E - Hose supporter : en
  • GB445527A - Improvements in link chains for transmission of power between sprocket wheels : en
  • FR796800A - Air conductor : en fr
  • FR796968A - Metering filler for all liquids : en fr
  • GB445667A - An improved carburettor for internal combustion engines : en
  • GB446171A - Safety means for television tubes : en
  • US2037399A - Protective system : en
  • US2037651A - Three-position mechanical movement : en
  • FR796789A - Process for preparing heptacarbocyanines and their application as photographic sensitizers : en fr
  • FR796876A - Rotary propulsion unit for all fluids applicable in particular to air and water : en fr
  • FR796995A - Improvements to television sets : en fr
  • FR796718A - Image transmission methods and device : en fr
  • FR796811A - Further training in film developing machines and the like : en fr
  • DE628645C - Safety door with sloping sliding surfaces for vehicles of all kinds : de en
  • US2037274A - Twist counter : en
  • US2037273A - Filament testing apparatus : en
  • CH183491A - Sighting and control apparatus for handguns. : de en
  • US2037111A - Chemical process for the preparation of white beeswax from crude beeswax : en
  • US2037253A - Casing cleaning machine : en
  • GB445779A - Improvements in or relating to chairs, seats or the like : en
  • GB445592A - Improvements in and relating to light filtering media : en
  • DE628710C - Method for the production of tools, in particular for processing embossing rollers for lenticular lens films, with a ground working diamond : de en
  • FR796930A - Force transmission mechanism : en fr
  • FR796993A - Eclipse bodywork : en fr
  • GB445672A - Improvements in or relating to brakes : en
  • GB445697A - Improvements relating to the digestion of sewage sludge : en
  • FR796810A - Process for producing cinematographic views and photographs in natural colors : en fr
  • GB445741A - A new or improved foldable or collapsible hat box : en
  • FR796860A - Treatment process for household waste and urban waste : en fr
  • GB445649A - Musical drum : en
  • US2037045A - Smoker's outfit : en
  • US2037085A - Overhead sliding door : en
  • US2037078A - Separator box : en
  • FR796755A - Operating method for combustion engines : en fr
  • GB445855A - Improvements in yarn winding machines : en
  • GB445570A - Improvements in electric couplings : en
  • GB445659A - Improvements in synchronous motor alarm clocks : en
  • DE628926C - Locking device for movable vehicle parts, especially for motor vehicle seats : de en
  • FR796706A - Heating appliance : en fr
  • FR796937A - Token dispensing device : en fr
  • FR796981A - Rail fastening device allowing the establishment of fixed railway tracks without sloping : en fr
  • FR796835A - Improvements to convertible bodies : en fr
  • USD99313S - Design fob a handle for a fly : en
  • DE628809C - Yarn guide changing device for flat weft knitting machines : de en
  • USD99332S - Design for a regulator or : en
  • DE628708C - Process for avoiding scratch formation when melting purified lead : de en
  • FR796847A - Loudspeaker membrane used as a sign holder : en fr
  • USD99314S - Design fob a shoe ob similab abticle : en
  • FR796864A - Improvements to sizing processes based on aqueous emulsions of drying oils : en fr
  • US2037308A - Projectile : en
  • US2037511A - Floor covering or rug : en
  • USRE19925E - Driving mechanism fob combined : en
  • US2037246A - Tumbling machine : en
  • US2037242A - Paper machinery : en
  • US2037212A - Composite brake drum : en
  • US2037368A - Wiring device : en
  • US2037017A - Method of photographic mapping : en
  • GB445655A - Improvements in cans, drums and like containers for food or other substances : en
  • GB446269A - Manufacture of condensation products containing nitrogen and sulphur : en
  • DE1370465U - : de en
  • DE628860C - Swimming pool with changing cells arranged in rows and wardrobes opposite : de en
  • GB445484A - Method and arrangement for conveying material to a centrifugal pump of the vertical type : en
  • DE628857C - Rotary grate gas generator with rotatable ash pan : de en
  • GB445496A - Improvements relating to the remote control of the tuning of a radio receiver : en
  • FR796877A - Development in sensitive relays : en fr
  • GB445656A - Sharp pointed penetrative implements : en
  • DE628726C - System for heating flammable gases under high pressure : de en
  • US2037061A - Variable coil : en
  • US2037496A - Furnace : en
  • ES4029Y - Briefs with an elastic waistband or waistband with no buttons anywhere. : en es
  • FR796964A - Speedometer for film projectors, especially narrow films : en fr
  • GB445574A - Improvements in or relating to extrusion devices for forming pellets : en
  • GB445681A - A device for consulting annuals, time-tables, directories and like books : en
  • FR796843A - Thruster refinements : en fr
  • FR796938A - Correspondence indicator of the Paris metropolitan area : en fr
  • GB445578A - Improvements in and relating to electric discharge devices : en
  • US2037210A - Roll changing apparatus : en
  • US2037489A - Handle for flowerpots and the like : en
  • US2037364A - Ice cube tray : en
  • USD99280S - Design for an instrument case : en
  • US2037183A - Carrier line power supply : en
  • US2037182A - Shaker conveyer : en
  • US2037063A - Ventilator : en
  • US2037181A - Printing and collating machine : en
  • US2037335A - Tension equalizer for spinning frames : en
  • US2037371A - Mono-acetoxy-mercuri-alkylphenol-sulphonic acid : en
  • FR797000A - Advertising wall lamp whose letters are driven by a translational movement using a solenoid : en fr
  • US2037672A - Method of producing metal powders : en
  • DE628694C - Painting lock with several setting discs : de en
  • US2037488A - Method of decorating paper and the product thereof : en
  • DE628903C - Circular knitting machine with pattern pusher : de en
  • US2037239A - Spark plug : en
  • US2037479A - Drop cabinet : en
  • US2037090A - Sulphur preparation : en
  • US2037556A - Retort for use in the low temperature distillation of carbonaceous material : en
  • US2037632A - Meter test block : en
  • CH183568A - Parasol on curved display panes. : de en
  • CH183485A - Orientation board. : de en
  • ES141180A1 - An electrochemical process for coating objects made of iron, brass, copper, alpaca and other metals from a shiny layer of electrolytic zinc that protects against oxidation. : en es
  • CH183434A - Capillary active agent. : de en
  • DE628866C - Method and device for the detachable connection of layers of paper or the like. : de en
  • USD99298S - Design for a lighting fixture : en
  • GB445599A - Improvements in, or relating to, lehrs for annealing glass ware : en
  • US2037295A - Phenol extraction : en
  • DE620867C - Process for the production of insoles with joint supports on both sides : de en
  • DK51511C - Heat exchange apparatus, in particular for dairy purposes. : da en
  • GB445757A - An improved process for the conversion of mineral oils into oils of lower boiling point : en
  • DK51522C - Elastic Coupling, especially for Combustion Machines. : da en
  • FR796750A - Razor and blade refinements : en fr
  • FR796972A - Process for producing interesting organic compounds and in particular liquid hydrocarbons by treatment of carbonaceous materials with hydrogenating gases : en fr
  • CA357112A - Adjustable machine support : en fr
  • ES4021Y - League. : en es
  • DE628920C - Self-adjusting gear change transmission, especially for motor vehicles : de en
  • US2037558A - Slide : en
  • FR796861A - Improvements to explosive cartridges or drilling charges : en fr
  • FR796866A - Device for surfacing and polishing : en fr
  • FR796887A - Movable shutters for aircraft lifting surfaces : en fr
  • DE628762C - Rail joint connection by means of a one-piece, bow-like foot strap : de en
  • CH183471A - Supply device for relay files. : de en
  • CH183490A - Device for determining and setting the lead angle for dropping objects from aircraft. : de en
  • FR796703A - Device for displaying flowers or the like : en fr
  • DE628697C - Drive for forwards and backwards running toys with a toothed segment driving the wheel axle : de en
  • DK51507C - Procedure and Plant for Regulation by Pasteurization of Milk and Similar Liquids. : da en
  • US2037173A - Lubrication system for rear axle differential bearings : en
  • US2037237A - Vehicle wheel : en
  • US2037457A - Silver faced slip ring : en
  • FR796869A - Paver and its applications : en fr
  • DE628703C - Driving trolley for shifting system : de en
  • FR796820A - Medical and surgical cabinet for the application by spraying and projection of medicinal products : en fr
  • GB445636A - Improvements relating to valves or cocks : en
  • GB445754A - Improvements in hermetically sealed fluid containers : en
  • DE628715C - Process for the production of ethers or esters of ether alcohols : de en
  • DE628719C - Device for load-dependent speed control with alternating loads DC drives, e.g. for folding bridges : de en
  • GB445534A - Improvements in the production of rubber goods : en
  • US2037432A - Braking apparatus : en
  • CH183441A - Method and machine for mechanically pressing a plastic mass into the recesses of a forming roller and for emptying these recesses. : de en
  • FR796711A - Improvements to roller conveyors acting by gravity : en fr
  • CH183423A - Device ensuring the automatic placement of preservative covers on the seats of water closets. : en fr
  • FR796969A - Filing cabinet : en fr
  • DE628878C - Device for sieving material : de en
  • FR796870A - Hub for propeller, rotary wing, fan, compressor, etc. : en fr
  • USD99325S - Design for a spot welder : en
  • GB445461A - Improvements in or relating to boiler feed recording and control apparatus : en
  • US2037394A - Lady's handbag or pocketbook : en
  • DE628738C - Device for moving photographic lenses in the direction of their axis : de en
  • US2037500A - Means for delivering measured quantities of liquid : en
  • US2037548A - Pile fabric : en
  • US2037024A - Tank truck : en
  • US2037136A - Tractor wheel tread : en
  • US2037497A - Reciprocating valve : en
  • US2037612A - Amusement device : en
  • FR796950A - Composite shatter-proof safety glass : en fr
  • FR796761A - Softening process : en fr
  • FR796867A - Method and device for preserving powdered or other materials : en fr
  • US2037607A - Pump : en
  • FR796805A - Device for installing wallpapers : en fr
  • CH183432A - Rawhide shooters for loft looms and process for making the same. : de en
  • US2037622A - Timing device : en
  • USD99260S - Design for a shoe : en
  • US2037614A - Band pass amplifier coupling : en
  • DE628853C - Switch with multiple interruption and arc extinguishing by a circulating gas or steam quantity used repeatedly for extinguishing : de en
  • DE628584C - Pair of needle rollers for opening up fiber material : de en
  • GB445598A - Improvements in and relating to rotary distributors for sewage and other liquids : en
  • US2037586A - Locking means for threaded elements : en
  • US2037609A - Carton edge protector and tie retainer device : en
  • DK51523C - Speaker. : da en
  • FR796819A - Improvements made to the acoustic coverings of walls, ceilings or walls : en fr
  • GB445645A - Improvements in or relating to yarns, threads and the like containing staple fibre made of or containing an organic derivative of cellulose : en
  • US2037547A - Plow sweep : en
  • DK51530C - Procedure for the production of writing, drawings, patterns and other depictions of aluminum and its alloys. : da en
  • US2037049A - Gas retaining fabrics and method of preparing the same : en
  • US2037365A - Method and means for determining the lubricating qualities of liquids : en
  • US2037542A - Light sensitive materials containing light sensitive diazo compounds : en
  • CH183578A - Device for the electrical transmission of the power of an internal combustion engine to vehicles. : de en
  • CA357232A - Wringer mop : en fr
  • FR796967A - Method of igniting gas or vapor atmosphere discharge paths : en fr
  • FR796719A - Improvements in the manufacturing of chlorinated rubber : en fr
  • GB445479A - Improvements in and relating to electric control systems for apparatus operating on a strip of material : en
  • DE628728C - Gas burner with a height position that can be changed depending on the gas and air volume control by turning around a horizontal transverse axis : de en
  • ES4037Y - Special t-shirt for men. : en es
  • US2037130A - Imitation leather and manufacture thereof : en
  • US2037644A - Individual drive transmission unit : en
  • CH183427A - Passing device. : de en
  • CH183588A - Process for the preparation of a new monoazo dye. : de en
  • FR796966A - Multiplication machine with multiple components : en fr
  • GB445517A - Improvements in or relating to concrete mixers : en
  • US2037478A - Thermochemical process for the production of an antidetonating fuel for explosion engines : en
  • CH183505A - Process for the production of strip metal and sheet metal. : de en
  • US2037154A - Radio receiving system : en
  • DE628843C - Circuit arrangement for small conveyor systems, especially for electric mail and cable mail systems : de en
  • FR796853A - Silent improvements : en fr
  • AU102145B2 - A rubber bag for protecting foodstuffs : en
  • DE628887C - Process for lining shafts, tunnels, sections or tunnels with concrete : de en
  • US2037139A - Bottle wrapping machine : en
  • US2037171A - Wave filter : en
  • US2037447A - Multiple rate meter : en
  • CH183435A - Ironing device. : de en
  • CA357165A - Bicycle frame : en fr
  • USRE19931E - Airplane shock absorber : en
  • DE628773C - Sheet-shaped sound recording medium : de en
  • FR796782A - Molding process and apparatus for its implementation : en fr
  • US2036999A - Wireless receiving apparatus : en
  • DE628681C - Storage device for stoves, especially gas and electric stoves, with a support body mounted on a pull-out bracket : de en
  • DE628911C - Locking device for measuring devices with stamping mechanism, especially for liquid measuring devices : de en
  • US2037451A - Disk clutch : en
  • CA357163A - Heat insulating material : en fr
  • IE13992L - Bags : en
  • US2037260A - Stoker : en
  • DE628483C - Process for removing inorganic impurities from aqueous solutions of acetic acid : de en
  • DK51526C - Removable Close for Bottles and Other Containers. : da en
  • DE628735C - Automatic valve : de en
  • DE628783C - Alarm clock with light switch : de en
  • USD99281S - Design for an instrument case : en
  • FR796771A - Method for analyzing electron rays and decomposing or analyzing images : en fr
  • FR796747A - Method and device for manufacturing hollow bricks closed on five sides : en fr
  • US2037092A - Cushioning and centering device for railway car couplers : en
  • CA357170A - Circuit interrupter : en fr
  • CH183533A - Fuel injection device on vehicle internal combustion engines. : de en
  • DE628938C - Collapsible, cell-divided packaging container for eggs or the like. : de en
  • FR796888A - Automotive battery circuit switch : en fr
  • FR796933A - Multiplier machine with decimal order selector : en fr
  • CH183430A - Spinning process, especially for soft-twisted yarns and spinning device for carrying out this process. : de en
  • DE628757C - Kuepen dye pastes for stuff printing : de en
  • DE628893C - Method of operating engines using butane or other heavy hydrocarbons and engine equipment : de en
  • US2037135A - Rug beater : en
  • US2037401A - Pumping apparatus : en
  • USD99284S - Design fob shelf papek : en
  • US2037605A - Sorting machine for punched cards : en
  • DE628764C - Regenerable electric battery : de en
  • GB445713A - Improvements in or relating to vehicles propelled by internal combustion engines : en
  • US2037572A - Definite time relay : en
  • US2037603A - Safety plate for gas burners : en
  • GB445622A - Improvements in or relating to stockings and socks : en
  • CH183515A - Safety razor. : en fr
  • FR796713A - Device for the electrical control of the totalizing elements by the type bars of a tabulating machine : en fr
  • FR796798A - Process for producing plates for flat printing and offset printing on metal plates : en fr
  • FR796984A - Tubular airplanes improvements : en fr
  • USPP174P - : en
  • DE628696C - Device for remote transmission of the position of water level measuring devices u. Like. According to the pulse number method : de en
  • FR796813A - New aminoalkyl sulfonic acids and their preparation process : en fr
  • CA357179A - Crystalline material conditioning process : en fr
  • US2037248A - Vending machine : en
  • US2037005A - Flaked sulphur dyes : en
  • USD99319S - Design for a cycle saddle seat : en
  • US2037234A - Hand bag : en
  • DE628754C - Cool ship for wort : de en
  • DE628883C - Process for the production of photographic copies on material with superimposed, differently sensitized and colored light-sensitive layers after color halftone images : de en
  • GB445586A - Improvements relating to aircraft instruments : en
  • US2037053A - Adhesive : en
  • US2037315A - Railway rail support : en
  • DE628758C - Note plates made of springy fabric for index sheets with oppositely directed insert tongues : de en
  • FR796998A - Glass grinding machine : en fr
  • GB445778A - Improvements in and relating to electric fuses for overhead distribution lines : en
  • CH183530A - Winch. : en fr
  • US2037037A - Method of treating coffee : en
  • CA357213A - Cultivator : en fr
  • US2037619A - Liquid fuel admission valve for internal combustion engines : en
  • US2037623A - Transference of glass bottles, jars, and the like to leers : en
  • CH183559A - Dropper bottle. : en fr
  • DE628846C - Bed feather washing machine : de en
  • US2037129A - Electric gas gun : en
  • US2037241A - Arrangement of the reaction chamber for the treatment of material : en
  • US2037404A - Door stop : en
  • CH183478A - Photographic lens shutter with front mechanism. : de en
  • DE628861C - Method for determining the mechanical properties of wire or strip-shaped materials during processing on processing machines : de en
  • GB445721A - A process for the production of fibrous material from animal skins : en
  • US2037244A - Machine gun : en
  • US2037109A - Quick detachable brake lining unit : en
  • US2037089A - Fabric engaging device : en
  • US2037567A - Electron discharge device control system : en
  • FR796916A - Vehicle braking control system : en fr
  • DE628707C - Switch with extinguishing of the arc by a flow of compressed gas : de en
  • FR796859A - Power generator installation for airplanes : en fr
  • GB445494A - Servo-motor for operating brakes : en
  • GB445495A - Improvements in and relating to electric condensers : en
  • DE628835C - Device for controlling valve-controlled motors for direct or alternating current : de en
  • GB445726A - Folding tables and like articles of furniture : en
  • GB445736A - Improvements in or relating to casting machines for the casting of plane stereotype plates : en
  • GB445860A - Improvements in or relating to telephone systems : en
  • CH183494A - Device for determining the altitude of an aircraft whose speed with respect to the ground is known. : de en
  • US2037293A - Pump packing : en
  • CH183587A - Process for the preparation of an amine oxide. : de en
  • US2036998A - Suction tonshllectome : en
  • DE628897C - Equipping roads to protect against obstruction by snow and ice : de en
  • DE628643C - Storage of the wheel journal in hollow axles, especially for motor vehicles : de en
  • GB445635A - Improvements in or relating to wave-generating mechanism for swimming pools and the like : en
  • GB445740A - Improved time operated switch mechanism : en
  • DE628775C - Spark plug : de en
  • US2037440A - Nonmetallic gear, pulley, or the like, and method of producing the same : en
  • US2037532A - Induction motor secondary : en
  • CH183594A - Process for the preparation of an azo dye. : de en
  • US2037455A - Brake : en
  • US2037334A - Fastener applying implement : en
  • FR796996A - Speckled textile and its manufacturing process : en fr
  • CH183487A - Ball throwing game. : de en
  • NL37807C - : en
  • ES4055Y - Intermediary for the start-up devices of internal combustion engines. : en es
  • GB445632A - Improvements in and relating to autographic registers : en
  • US2037162A - Camera supporting and controlling device : en
  • US2037322A - Pigmented film-forming composition : en
  • US2037491A - Straw saving device for combines : en
  • CA357169A - Container handle : en fr
  • USRE19926E - Process of forming sheet pyroxylin : en
  • CH183450A - Process for the preparation of 2-keto-l-gulonic acid. : de en
  • US2037631A - Method of wrapping an article : en
  • USD99273S - Design for a knitting needle : en
  • US2037088A - Sewing machine : en
  • US2037238A - Hydrocarbon oil conversion : en
  • CH183561A - Process for preparing a product intended to regenerate stale air. : en fr
  • US2037108A - Game apparatus : en
  • CA357202A - Refrigeration apparatus : en fr
  • CH183454A - Process for the preparation of an azo dye. : de en
  • DE628746C - Vibration generator maintenance with an oscillator with negative internal resistance : de en
  • US2037189A - Method and composition for treating friction fabric : en
  • US2037565A - Control system : en
  • GB445558A - Improvements in or relating to thermionic valve circuit arrangements : en
  • US2037575A - Alarm device for sprinkler systems : en
  • US2037378A - Method of and means for making spirally corrugated tubing : en
  • CH183547A - Electric circuit breaker with a switching fluid consisting at least partly of mercury. : de en
  • US2037356A - Multiplying gear : en
  • DE616215C - Anti-skid chain with exchangeable grippers : de en
  • GB445932A - Improvements in or relating to material handling equipment : en
  • CH183497A - Device for gradual registration of a size, in particular for the implementation of a graduated tariff. : de en
  • US2037536A - Cover lock for rayon spinning buckets : en
  • US2037645A - Wide range mechanical atomizer : en
  • FR796912A - Preparation of colored products : en fr
  • GB445867A - Improvements in moving-diaphragm control devices : en
  • GB445591A - Improvements in the manufacture of rubber products : en
  • CH183406A - Electric hot water boiler. : de en
  • ES4020Y - Device to divide any stack of paper into a group of equal number of sheets. : en es
  • FR796707A - Piston for internal combustion engine, the head of which is fixed by means of a flange projecting inwardly to a corresponding flange of the piston guide body : en fr
  • GB445577A - Improvements in and relating to permanent magnet generators used as tachometers : en
  • GB445664A - Improved attachment device for use in connection with tubes or rods : en
  • DK51528C - Lubricant, especially for Lubrication at very high system pressures. : da en
  • GB445601A - Ore roasting furnace : en
  • FR796822A - Improvements to indirect lighting devices : en fr
  • US2037007A - Concrete construction : en
  • US2037353A - Web control for printing presses : en
  • GB445563A - Fabric bags for essence-containing products such as tea and the like : en
  • DE628751C - Welded T-beam : de en
  • USD99279S - Design for an instrument case : en
  • US2037587A - Producing gas and coke in chamber ovens : en
  • US2037483A - Method of and apparatus for drying artificial silk cakes : en
  • FR796872A - Ball joint for pressure transmission pipes : en fr
  • GB445543A - Improvements in or relating to electrical high frequency oscillating circuit arrangements : en
  • GB446337A - Manufacture of condensation products containing nitrogen and sulphur : en
  • FR796953A - Pouring and pouring cap : en fr
  • US2037383A - Remote-control device : en
  • US2037495A - Foot massaging device : en
  • USD99286S - Design for a headlight : en
  • DE628771C - Roughening roller for buffing rubber tires : de en
  • ES4091Y - Combined letter-envelope. : en es
  • FR796978A - Improvements to coils to produce a uniform magnetic field, particularly applicable to cathode ray tubes : en fr
  • GB445633A - An improved block for use in the construction of kerbs : en
  • GB445510A - Improvements in crushing and grinding mills : en
  • GB445515A - Improvements in track circuits for railways : en
  • GB445557A - Improvements in and relating to electric motor control systems : en
  • FR796821A - Anti-ice and anti-snow heater for automobile glass : en fr
  • FR796908A - Process and apparatus for welding, applying coatings as well as for carrying out chemical reactions : en fr
  • US2037590A - Light translating system : en
  • FR796727A - Process for improving the mechanical strength properties of magnesium alloys, in particular in the form of workpieces : en fr
  • GB445466A - Improvements in or relating to the dyeing or printing of textile materials : en
  • FR796854A - New thruster for airplanes and automobiles : en fr
  • CH183414A - Electrically heatable grill. : de en
  • CA357168A - Gypsum plaster : en fr
  • CH183590A - Process for the preparation of a chromium-containing azo dye. : de en
  • FR796783A - Slider closures improvements : en fr
  • GB445679A - Improvements in or relating to connectors for electrical conductors : en
  • GB445723A - New or improved storing means for meal, flour, sugar, salt, and analogous commodities : en
  • DE628795C - Method of removing beer stone : de en
  • GB445480A - Improvements in twist-lace machines : en
  • FR796825A - Enhancements to extenders for men and women hats : en fr
  • ES3841Y - Device to increase the duration, stability and filtering power of olive oil press pads. : en es
  • FR796897A - Folding and habitable trailer : en fr
  • FR796741A - Method and apparatus for the production of tubes for transporting liquids : en fr
  • FR796896A - Removable skis for road vehicles : en fr
  • US2037142A - Thermostatic structure : en
  • US2037011A - Manufacture or treatment of products or articles having a basis of cellulose derivatives and of reagents therefor : en
  • US2037384A - Connecting rod : en
  • DK51513C - Impeller with swivel Buckets. : da en
  • GB445727A - Improvements in catalysts : en
  • US2037218A - Separation of colloidal and other suspended matter from oils : en
  • US2037369A - Door construction : en
  • US2037178A - Typewriting and similar machine : en
  • US2037518A - Liquid congealing apparatus : en
  • US2037662A - Automatic electric cut-out : en
  • US2037684A - Safety control apparatus for : en
  • CH183540A - Refrigerator isolation. : de en
  • US2037133A - Rubber heel : en
  • FR796940A - Low speed synchronous motor starting automatically : en fr
  • GB445620A - Improvements in and relating to copper-tin alloys : en
  • US2037316A - Method of and apparatus for fractionating : en
  • US2037121A - Power-driven reciprocating hand tool : en
  • US2037540A - Control valve : en
  • GB445541A - Rubber and its preparation for manufacture : en
  • GB445720A - Improvements in or relating to temperature control of pre-heated oil for oil burners : en
  • GB445575A - Improvements in or relating to electric discharge devices : en
  • US2037392A - Eddy current control for leers : en
  • US2037326A - Leveling washer and thrust bearing cage : en
  • US2037320A - Hook : en
  • US2037647A - Gun : en
  • FR796863A - Process of soil sterilization and stimulation of plant metabolism : en fr
  • FR796922A - Improved method and apparatus for controlling the ignition of internal combustion engines : en fr
  • NL37829C - : en
  • USD99288S - Design for a vibrator or similar : en
  • FR796832A - heat exchanger : en fr
  • DK51509C - Control device for multi-cylinder internal combustion engines with Fuel injection and Air throttling at less than full Load. : da en
  • GB445724A - Improvements in or relating to oil burners : en
  • DE628917C - Hang dryer for table goods, especially cardboard : de en
  • US2037538A - Gasoline turbine motor : en
  • US2037602A - Motion picture projector attachment : en
  • ES140448A3 - A procedure for the preservation of food products, especially fruits, vegetables and other products of the land. : en es
  • US2037562A - Electric plug : en
  • DE628698C - Process for making anhydrous alcohol : de en
  • US2037147A - Manufacture of bituminous road material : en
  • US2037349A - Waxing apparatus : en
  • US2037563A - Mineral oil composition : en
  • US2037190A - Admission counter : en
  • FR796795A - Process for increasing the efficiency of processes for the artificial production of radioactivity by neutron bombardment : en fr
  • USD99305S - Design for a combined pedestal cus : en
  • US2037010A - Cellulose derivative composition : en
  • US2037469A - Folding machine : en
  • US2037664A - Vehicle construction : en
  • NL43062C - : en
  • US2037422A - Gun sight : en
  • USD99333S - Design for a bottle or similar : en
  • ES3907Y - Cardboard and wooden container to transport and contain vegetable fruits. : en es
  • ES3325Y - Recoil device applicable to automatic pistols. : en es
  • FR796920A - perpetual motion water elevator : en fr
  • US2037671A - Foul line signal : en
  • US2037433A - Aircraft with rotary sustaining wings : en
  • US2037048A - Coupling : en
  • US2037524A - Rotor with spark gap : en
  • CH183486A - Ski binding. : de en
  • CH183549A - Mercury switch. : de en
  • US2037381A - Heddle frame : en
  • US2037579A - Filing folder and method of manufacturing the same : en
  • FR796702A - Non-slip for shoes and in particular for sports shoes : en fr
  • GB445560A - Improvements in and relating to kinematographic cameras and projectors employing moving film, and film gates therefor : en
  • USD99272S - Design for a coat or similar article : en
  • US2037372A - Tricoin register bank : en
  • DE628736C - Device for grinding dry substances, patsten, u. Like. Using quartz sand or similar fine-grain grinding bodies : de en
  • GB445501A - Process for the preparation of basic copper sulphates and ammonium sulphates : en
  • US2037004A - Process of producing saponified material : en
  • CA357194A - Filter : en fr
  • CH183558A - Polishing felt for mechanical drives, in particular for polishing dental prosthesis clips. : de en
  • DE605145C - Spiral built into pipes to achieve a helical flow : de en
  • DE628825C - Method and machine for compression molding of finished cigars to be packaged : de en
  • US2037001A - Alcoholic treatment of ligneous cellulosic material : en
  • US2037097A - Safety point bar for flat knitting machines : en
  • US2037427A - Dust collector for mops : en
  • US2037203A - Treatment of plants to expedite bud development : en
  • US2037582A - Thermostat control for gas burners : en
  • DE628794C - Dry gas container with a concertina-like sheet metal jacket : de en
  • DK51517C - Hair clips. : da en
  • DE628731C - Weighing device for automatic, periodic and group-wise weighing of cigarettes : de en
  • DE628780C - Tank stabilization system for ships : de en
  • NL38087C - : en
  • US2037515A - Gift wrapping package : en
  • US2037443A - Dynamic balancing machine : en
  • US2037446A - Electrical make-and-break contact : en
  • US2037339A - Internal combustion engine of the liquid fuel injection type : en
  • CH183502A - Snap-fastening, in particular for toothed moving parts of watch movements. : en fr
  • US2036996A - Engine radiator : en
  • GB445935A - An improved sound reproducing device : en
  • FR796748A - Sole pressing device : en fr
  • GB445590A - Improvements in darts : en
  • FR796792A - Improvements to cameras with rangefinder based : en fr
  • FR796878A - High-frequency field strength electrical measuring device : en fr
  • FR796988A - Improvements to methods and devices for establishing packaging : en fr
  • DE628722C - Outdoor high-voltage capacitor for high-frequency communication, consisting of a bottle-shaped porcelain hollow body in the manner of the usual bulbous bushing insulators : de en
  • DK51534C - Device for rotating Explosion or Combustion engines. : da en
  • GB445767A - Improved electric heater for water and other liquids : en
  • FR796848A - Lighting device for gun aiming collimator : en fr
  • DE628744C - Quenched and tempered molybdenum-containing steel alloys with high heat resistance : de en
  • DK51519C - Method and Apparatus for Receiving Sheets. : da en
  • GB445683A - Underground shelter : en
  • ES3895Y - Pliers to castrate animals. : en es
  • GB445588A - Improvements in the manufacture of pigments : en
  • US2037143A - Display package : en
  • DE628877C - Connecting links for shaft and jacquard cards : de en
  • GR5738B - LIME FURNITURE CONTINUOUS BURNING FOR CRUDE OIL. : el en
  • DK51535C - Apparatus for Moving Irrigation Pipes in Horticulture, Gardens and Fields. : da en
  • DE628939C - Cistern float valve : de en
  • FR796961A - Manicure device applicable for cleaning and dyeing the undersides of finger nails : en fr
  • CH183569A - Apparatus for demonstrating advertising items. : de en
  • DE628816C - Ball-moving quick connection for pipes and hoses : de en
  • FR796898A - Process for the preparation of heavy metal compounds from salts of compounds : en fr
  • US2037269A - Molding process : en
  • FR796746A - Improvements to devices for heating fluids by electricity, in particular to electric water heaters : en fr
  • GB445706A - Improvements in or relating to the production of effects on fabrics, foils, films, fibres and the like containing cellulose esters or ethers : en
  • GB445538A - Manufacture of 2-methyl-ª‰ª‰-naphththiazole and substitution products thereof : en
  • GB445763A - Improvements in arrangements for eliminating disturbances in radio receiving sets : en
  • FR796907A - Hanging seat armchair : en fr
  • GB445766A - Improvements in or relating to clutches and means for operating the same : en
  • GB445678A - Improvements in windows and the like : en
  • GB445765A - Improved method and device for the reproduction of sound : en
  • DE628629C - Stool with an insert with a wash basin guided in its frame : de en
  • GB445512A - Improvements in and relating to grinding or abrading tools : en
  • FR796844A - Method and device for exposing motion picture film to a flux of radiation : en fr
  • GB445742A - Process for reducing the viscosity of cellulose ester waste : en
  • US2037588A - Safety razor : en
  • FR796801A - Armchair for doctors, dentists, hairdressers, etc. : en fr
  • US2037655A - Control apparatus for centrifugals : en
  • US2037165A - Vibration translating device : en
  • FR796759A - Automatic feed head for cutting, milling, boring, drilling machines, etc. : en fr
  • DE628701C - Boiler system with mixed and surface evaporation : de en
  • US2037229A - Production of sulphonic acids : en
  • US2037332A - Water softener : en
  • US2037344A - Model duplicating device : en
  • US2037544A - Circuit breaker contact : en
  • CA357235A - Implement shank : en fr
  • CH183598A - Multi-piston hydraulic press for lifting devices, in particular for tiltable vehicle bridges. : de en
  • US2037235A - Drive screw and method of making same : en
  • US2037177A - Fountain pen : en
  • US2037472A - Switching system : en
  • CA357211A - Projection lens system : en fr
  • USD99331S - Design fob : en
  • GB445584A - Improvements in and relating to metal windows and stays therefor : en
  • GB445669A - Improvements in pistons of internal combustion engines : en
  • US2037311A - Vending machine cabinet : en
  • US2037555A - Dispensing mechanism : en
  • USD99268S - Design for an adjustable initial in : en
  • CA357123A - Locomotive boiler : en fr
  • US2037222A - Automatic dumping wheelbarrow : en
  • DE628760C - Device for casting flat stereotype plates : de en
  • FR796882A - Advanced harvester-binder : en fr
  • US2037286A - Jointer fence adjustment : en
  • USD99318S - Design for a cooking range : en
  • CH183405A - Device for atomizing liquids with simultaneous electrostatic charging of the liquid particles. : de en
  • DE628761C - Pressure roller bearing for two-drum stencil printer : de en
  • US2037259A - Wood flooring : en
  • US2037470A - Vehicle wheel : en
  • CH183553A - Device for the operation of converters working with grid-controlled steam or gas discharge paths. : de en
  • USD99276S - design for a vending cabinet : en
  • US2037388A - Hair waving and curling device : en
  • NL38002C - : en
  • US2037137A - Plant cultivation : en
  • CH183513A - Process for the production of middle layers for carpentry purposes. : de en
  • CA357132A - Hemoglobinometer : en fr
  • CH183397A - Half-timbered wall. : de en
  • CA357152A - Steam generator : en fr
  • CH183443A - Device for mincing meat. : de en
  • NL39010C - : en
  • US2037474A - Hydraulic brake : en
  • US2037649A - Clamping screw : en
  • CA357133A - Gas-charged liquid dispenser : en fr
  • CH183537A - Radio protection cap, in particular for spark plugs. : de en
  • US2037291A - Laundry cart : en
  • USD99311S - Design for a finger ring : en
  • CH183507A - Automatic lathe with circumferential guide bush for the material bar. : de en
  • DE628834C - Ring-shaped arc protection device for isolator chains : de en
  • DE628874C - Valve bag filling machine or similar : de en
  • DK51524C - Method for Making Multicolored Bleaching Layers for Multicolored Photocopies. : da en
  • ES4059Y - Flower or distinctive that, placed inside a loose cardboard tube or forming part of a pistol-shaped device, is thrown by a blow, elastic spring or crossbow at a person, attaching to their clothing or hair by means of a chumbito or flexa with multiple bent tips. : en es
  • FR796749A - Disc for friction clutch : en fr
  • GB445780A - Improvements in or relating to folding tables : en
  • US2037278A - Beer meter : en
  • US2037687A - Moldable composition and process for making the same : en
  • US2037251A - Propeller : en
  • US2037327A - Ophthalmic lens and method of making the same : en
  • NL38056C - : en
  • US2037545A - Manufacture of concrete blocks and the like : en
  • US2037674A - Distillation of hydrocarbon oils for the production of lower boiling hydrocarbon oils : en
  • CH183531A - Rotary compressor. : de en
  • FR796777A - Process for treating lignite with a high wood content, also containing a high proportion of clay or sand : en fr
  • US2037413A - Refrigerating cabinet : en
  • US2037635A - Profiling machine : en
  • CA357120A - Light sensitive surface treating apparatus : en fr
  • DE628919C - Half mask made of sponge rubber : de en
  • CA357218A - Textile material : en fr
  • CA357205A - Pure mercaptan production : en fr
  • CA357226A - Anti-skid device : en fr
  • CH183499A - Calculating machine with rotating number wheels, preferably under punch card control. : de en
  • CA357177A - Dye : en fr
  • CA357236A - Sanitary pad shield : en fr
  • US2037543A - Electric cable : en
  • US2037042A - Food material and process of making it : en
  • US2037205A - Method of manufacturing paper tacking strips : en
  • CH183473A - Device for casting matrices set in a manual setting boat in a line casting machine designed in the manner of a die setting and casting machine, in which the line of dies to be cast is arranged on the vice. : de en
  • DE628747C - Circuit for eliminating mains hum in a non-earthed, mains-fed amplifier : de en
  • US2037434A - Pump : en
  • US2037430A - Wood heel machine : en
  • CH183543A - Method for manufacturing electric current conducting members, in particular heating resistors, and conducting member obtained by this method. : en fr
  • US2037006A - Process for producing soap having a definite water content : en
  • US2037419A - Manufacture of halogenated hydrocarbons : en
  • US2037110A - Bag making machine : en
  • US2037551A - Ironing press : en
  • US2037197A - Adhesive applying device for tube forming machines : en
  • GB445589A - Improvements in or relating to apparatus for regulating the tension of rotary springs on power vehicles : en
  • GB445617A - Improvements in or relating to cans, canisters, and like containers : en
  • US2037423A - Rubber latex composition : en
  • GB445658A - Improvements in or relating to the mechanical recording of sound or other oscillations : en
  • GB445862A - Improvements in the manufacture and production of azo dyestuffs : en
  • IE13893L - Treatment of cakes of artificial thread : en
  • DE628790C - Circuit arrangement for telephone systems with dialer operation and several traffic directions, especially for private branch exchanges : de en
  • DE628827C - Device for generating a rectified electrostatic field for treating the surface of textiles u. like : de en
  • FR796716A - screen for cathode ray devices : en fr
  • FR796994A - Bain-marie dish : en fr
  • US2037084A - Leak clamp for pipe joints : en
  • FR796770A - Luminous arc current rectifier, comprising electrodes arranged in a stream of extinguishing fluid : en fr
  • FR796772A - Method and apparatus for pulling knitted loops by the combined action of needles and platens : en fr
  • US2037314A - Printing part color picture : en
  • DE628828C - Process for the preparation of sulfonated fatty acid coagulants of heterocyclic bases : de en
  • CA357217A - Textile material : en fr
  • DE628721C - Closed, short-circuit-proof fuse cartridge with a fusible link made of tin or a metal with a similarly low melting point : de en
  • CA357234A - Roller conveyer : en fr
  • NL37886C - : en
  • US2037426A - Oil and gas separator : en
  • US2037529A - Plastometer : en
  • CA357222A - Vibrator : en fr
  • DE628850C - Periodically acting absorption refrigeration machine : de en
  • IE13931L - Sealing tungsten wire in quartz : en
  • GB445488A - Improvements in carburetters : en
  • AU93636A - Improvements in or relating to electric discharge tubes : en
  • CA357172A - Ester of 2-ethylbutanol-1 : en fr
  • CH183551A - Electromagnetic overcurrent switch. : de en
  • US2037615A - Automobile wheel : en
  • US2037573A - Concrete construction : en
  • CH183401A - Process for the production of road surfaces, tennis courts, foundations, etc. : de en
  • CH183431A - Thread damper with spring loaded brake disc. : de en
  • US2037289A - Refractory brick construction : en
  • USD99327S - Design for a container cap : en
  • CH183560A - Process for the preparation of a readily soluble salt of a 9-aminoacridine derivative. : de en
  • GB445687A - Improvements in or relating to optical viewing instruments : en
  • US2037393A - Venetian blind : en
  • US2037094A - Telephone booth : en
  • CA357215A - Hinge : en fr
  • US2037169A - Fuel economizer : en
  • US2037498A - Variable radio frequency selectivity control : en
  • CA357146A - Transmission and change-speed mechanism : en fr
  • CA357210A - Tanning drum : en fr
  • CH183436A - Dry cleaning facility. : de en
  • CH183570A - Natural sponge pack. : de en
  • US2037439A - Fumigant composition : en
  • CA357178A - Cyanine dye : en fr
  • CH183461A - Method for cementing components made of metallic and ceramic materials. : de en
  • US2037043A - Pipe wrapping machine : en
  • CH183529A - Central lubrication device with vertical cam disk shaft. : de en
  • DE628875C - Device for uniform loading of conveyor wagons with bulk goods : de en
  • CH183411A - Door hinge. : en it
  • US2037431A - Fly paper protective device : en
  • FR796767A - Light sensitive material for the production of swelling reliefs : en fr
  • CH183566A - Superheterodyne recipient. : de en
  • NL37977C - : en
  • AU102317B2 - Improvements in or relating to electric discharge tubes : en
  • USRE19927E - Method and machine fob forming : en
  • CH183593A - Process for the preparation of an azo dye. : de en
  • US2037271A - Woven wire screen : en
  • US2037366A - Slidable seat for vehicles and the like : en
  • US2037589A - Car stop : en
  • CH183523A - Device on pipes that are embedded in a concrete layer and form a string for anchoring the same. : de en
  • CH183567A - Circuit for the amplification of high or medium frequency vibrations with automatic volume control. : de en
  • CA357173A - Heat motor : en fr
  • DK51510C - Procedure for the manufacture of endless belts. : da en
  • CH183398A - Wood door. : en fr
  • FR796917A - Products containing sulphonic groups and process for their preparation : en fr
  • US2037155A - Control structure : en
  • US2037254A - Process of printing advertising on rubber bands : en
  • US2037523A - Dry cleaning or washing apparatus : en
  • US2037167A - Electrooptical system : en
  • US2037282A - Take-up device for knitting machines : en
  • CH182080A - Device for taking correct-sided images using photomechanical paper. : de en
  • CH183403A - Hot water heating system. : de en
  • US2037104A - Plumber's snake tool : en
  • USD99302S - Design for a bicycle : en
  • NL37864C - : en
  • US2037636A - Stepped shaft and method of making the same : en
  • USD99293S - Design for a candlestick : en
  • US2037188A - Resilient car wheel : en
  • US2037416A - Projector : en
  • CH183548A - Switch with push button contacts and insulating chamber. : de en
  • CA357220A - Clamp : en fr
  • DK51532C - Perennial and bush stand. : da en
  • USD99291S - Design fok a casing for air : en
  • US2037082A - Regulating system : en
  • US2037560A - Wall sheathing : en
  • US2037231A - Shielded electrode tube : en
  • GB445703A - An improved hydraulic system for operating brakes or other devices : en
  • DE628723C - High-voltage capacitor in the form of a one-piece, bottle-shaped porcelain hollow body, which is seamlessly closed at one end : de en
  • ES3954Y - Electrical device for car taxis. : en es
  • FR796834A - Contactor friction device applicable in particular to signaling on railways : en fr
  • GB445756A - Improvements in or relating to ceramic baths : en
  • US2037156A - Needle bearing spring end mounting means : en
  • ES3930Y - Piggy bank in the form of a telephone. : en es
  • US2037639A - Phonograph pick-up : en
  • CH183552A - Cooling device for thermionic tubes. : en fr
  • DE628817C - Sochkel sewing machine : de en
  • CH183535A - Light metal pistons on internal combustion engines. : de en
  • CH183556A - Socket for an electrical device which develops a high temperature in the part receiving the socket, and method for its manufacture. : de en
  • US2037367A - Vehicle heating system : en
  • USD99307S - Design for an article supporting : en
  • US2037114A - Hatch construction : en
  • US2037460A - Motion device : en
  • US2037546A - Transmission network : en
  • US2037093A - Receptacle closure : en
  • US2037160A - Radio frequency oscillator : en
  • US2037352A - Electronic vacuum tube : en
  • US2037618A - Motor driven casting machine : en
  • USRE19924E - Tourniquet : en
  • USD99308S - Design for a combined cigarette : en
  • NL37803C - : en
  • USD99303S - Design fob an article fob : en
  • CH183575A - Removable device used to ensure the adhesion of a vehicle wheel tire to the ground. : en fr
  • CA357148A - Handkerchief substitute : en fr
  • USD99294S - Design for a tube ob similar : en
  • US2037471A - Electrooptical system : en
  • US2037099A - Illuminating lamp : en
  • US2037126A - Motor vehicle : en
  • US2037341A - Box : en
  • CH183460A - A method of manufacturing a waxing product. : en fr
  • FR796910A - Improvements to electric heaters : en fr
  • FR796925A - Carburetor improvements for internal combustion engines : en fr
  • US2037463A - Coin controlled dispenser : en
  • CA357224A - Tire vulcanizing method : en fr
  • US2036997A - Process for stabilizing chlorinated rubber : en
  • US2037345A - Mileage counter for the hubs of vehicle wheels : en
  • FR796840A - Automatic variable pitch propeller : en fr
  • DE628786C - Drying plant for wood and other materials : de en
  • FR796826A - Rubber balloon with object suspended or otherwise secured inside : en fr
  • CH183449A - Process for the preparation of esters of aromatic sulfodicarboxylic acids. : de en
  • US2036994A - Photographic film and method of treating same : en
  • CA357190A - Heating pad : en fr
  • US2037008A - Method of making decorative lustrous sheet material : en
  • US2037064A - Game : en
  • DE628699C - Machine for the automatic cleaning of barrels : de en
  • DE628808C - Underneath the wind wander grate with grate bars lined up on cross members : de en
  • FR796765A - Production of a new dihydroxypyrene : en fr
  • GB445869A - Improvements in or relating to steam generators : en
  • FR796901A - Static device for automatic regulation of the flow of a fluid : en fr
  • GB445493A - Improvements in belt and rope drives : en
  • US2037506A - Wire rope and machine for and method of making : en
  • DE628851C - Process for filling insulation elements with poorly heat-conducting gases : de en
  • DE628916C - Device for quick chrome plating of knife blades : de en
  • FR796786A - Transmitter and receiver signaling device with perforation device : en fr
  • GB445646A - Convertible table : en
  • GB445774A - Improvements in the treatment of textile fabrics : en
  • CA357139A - Rotary crude oil burner : en fr
  • DE628856C - Electric headlight : de en
  • US2037484A - Packaging machine : en
  • CA357196A - Chain link shearing device : en fr
  • US2037666A - Manufacture of diaphragms : en
  • GB445775A - Improvements in or relating to the dispersion of fog or other particles suspended in air, with or without other gases mixed therewith : en
  • FR796721A - Ball valve with direct flow : en fr
  • FR796851A - Process for making any surface or capacity unalterable or waterproof : en fr
  • GB445652A - Improvements in aerial propellers with variable pitch : en
  • FR796868A - Improved transmission mechanism, usable, in particular, in braking devices with servo-motor : en fr
  • DK51529C - Device for Insoles for Footwear. : da en
  • CH183525A - Stuffing box for rotating shafts, especially for centrifugal pumps. : de en
  • FR796837A - Improvements to refrigerated cabinets : en fr
  • GB445651A - Improvements in or relating to molybdenum alloy steels : en
  • GB445663A - A structural wall composed of supporting posts and sheet metal facings : en
  • GB445783A - Improvements relating to cycle lamps : en
  • FR796865A - Improvements to processes and installations for the artificial drying of ceramic products and in particular tiles and bricks : en fr
  • GB445968A - Improvements in or relating to aerial systems : en
  • GB445626A - An improved distance thermometer : en
  • GB445677A - Improvements in or relating to pressure cooker : en
  • GB445521A - Improvements relating to cigarettes and tobacco cartridges for tobacco pipes : en
  • FR796760A - Improvements to cells or electric accumulator batteries : en fr
  • GB445497A - Improvements relating to route indicators for motor vehicles : en
  • GB445762A - An improved excess electricity consumption meter : en
  • FR796735A - Internal combustion engine housing : en fr
  • FR796958A - Method and device for affixing inscriptions, images and emblems, in particular on smooth surfaces : en fr
  • GB445865A - Improvements in or relating to the manufacture of coloured bitumen emulsions : en
  • GB445553A - Improvements in methods and apparatus for ventilating or heating vehicle bodies : en
  • GB445657A - Improvements in and relating to friction race and roller variable speed transmission : en
  • ES4049Y - Top or musical pawn. : en es
  • GB445717A - Improvements in or relating to electric condensers : en
  • ES4041Y - Circular brush with fibers towards the inside of it. : en es
  • CA357162A - Coated article preparation : en fr
  • CA357174A - Rod weeder : en fr
  • ES4048Y - Solid wooden rod covers for glass bottles and jars. : en es
  • FR796963A - Suction gas production apparatus working with prior compression : en fr
  • FR796818A - Method and devices for cleaning the exhaust gases of internal combustion engines : en fr
  • CH183524A - Pipe connector. : de en
  • GB445524A - New or improved packing for stuffing-boxes and the like : en
  • DE628799C - Process for the production of valuable chemical products in the regeneration of alkaline waste liquors of organic substances : de en
  • ES140507A1 - Procedure to put canned meat or fish in cans. : en es
  • FR796732A - Electric measuring instrument and in particular calibration counter : en fr
  • US2037620A - Binding post : en
  • US2037680A - Burner for acetylene floodlights : en
  • FR796708A - Chain derailleur : en fr
  • FR796734A - Improvements to internal combustion engines : en fr
  • FR796945A - Cereal grain shelling machine : en fr
  • US2037329A - Soap grater : en
  • GB445653A - Process and apparatus for the manufacture of coloured glass : en
  • US2037376A - Wearing apparel : en
  • FR796991A - Measuring device for use by shoemakers : en fr
  • FR796954A - Process for the separation of suspended particles in gases and vapors : en fr
  • US2037009A - Process of treating food materials : en
  • US2037214A - Telephone system : en
  • GB445606A - Improvements in or relating to coin-operated devices : en
  • US2037050A - Process for making oxygen containing products from hydrocarbons : en
  • US2037081A - Grain washer and drier : en
  • USD99301S - Design for a bicycle handle bar : en
  • US2036995A - Collapsing basket for fruit or other fragile articles : en
  • DE628840C - Hand press for embossing edge strips in photos : de en
  • ES3582Y - Rubber galoshes device in the shape of high boots, with covered zip closure. : en es
  • DE628713C - Equipment on machines for the production of wire grids, which consist of lay and cross wires welded together : de en
  • US2037117A - Air brake : en
  • DE1370387U - : de en
  • US2037055A - Braking mechanism : en
  • ES3987Y - Mechanism that makes armchairs, armchairs, stools and similar items articulated and foldable. : en es
  • CH183394A - Adjustable support for items to be held over drift beds. : de en
  • US2037606A - Electric motor : en
  • US2037648A - Vacuum sweeper : en
  • US2037676A - Cloth finishing : en
  • FR796890A - Improvements to grain mills, etc., with horizontal metal discs : en fr
  • US2037608A - Method of forming metal pipe blanks : en
  • CA357122A - Bed for automobiles : en fr
  • CH183589A - Process for the preparation of a chromium-containing azo dye. : de en
  • US2037070A - Furnace : en
  • US2037525A - Washing appliance adapted to the blower portions of a vacuum cleaner device : en
  • US2037661A - Green corn husking machine : en
  • ES4072Y - Pincushion with changeable core. : en es
  • GB445638A - Improvements in the production of a mixture of coal-gas and water-gas : en
  • US2037624A - Berry picking machine : en
  • USD99282S - Design for a shoe or similar article : en
  • FR796849A - Mechanical chip spreader : en fr
  • CH183516A - Adjustable wrench. : de en
  • DE628904C - Process for the production of circular knitted fabrics : de en
  • FR796902A - Double punching machine with complementary mechanism : en fr
  • GB445661A - Improvements in paper containers : en
  • CH183455A - Process for the preparation of an azo dye. : de en
  • DE628931C - Heel lasting machine : de en
  • ES4039Y - Folding box intended for sugar case. : en es
  • GB445722A - Improvements in machines for separating liquid from reduced ore products and the like : en
  • US2037348A - Automatic lap-winding machine : en
  • US2037539A - Printed crinkled rubber and method of making same : en
  • FR796881A - Reinforced concrete articulated breastplates : en fr
  • GB445562A - Bag forming, handling and filling mechanism : en
  • FR796886A - Improvements to cinematography in natural colors with sound : en fr
  • DE628862C - Automatic drill : de en
  • DE628879C - Paper web guide : de en
  • DE628695C - Synchronous alarm clock : de en
  • FR796768A - Device for reinforcing cable chains and the like : en fr
  • FR796935A - Annular rotor, with segments and movable vanes, for rotary pumps, compressors, etc. : en fr
  • USD99270S - Design for a bottle : en
  • USD99306S - Design for an instrument case : en
  • GB445782A - Improvements in and relating to control systems for electric motors : en
  • FR796885A - Improvements to cinematography in natural colors : en fr
  • DE628712C - Prevention of boiler damage : de en
  • GB445752A - Improvements in and relating to fountain pens : en
  • GB445564A - Bags of tea and other essence containing products, and method of making same : en
  • FR796857A - Improvements to liftable landing gear for aircraft : en fr
  • US2037175A - Sanitary handkerchief kit and method of forming same : en
  • US2037653A - Socket for cove silvay lamps : en
  • ES3940Y - Protective fixative for elastic strips on clothing and orthopedic devices. : en es
  • FR796895A - Nozzle device forming an electrical resistance, for heating the liquid fuel : en fr
  • GB445518A - Improvements relating to method of and apparatus for treating plastics : en
  • GB445587A - Improvements in the manufacture of pigments : en
  • DE628768C - Arrangement for calibrating the standard converter used in the process according to patent 612691 : de en
  • DE628833C - Suspension insulator with a support sleeve for the beater that is tapered towards the outside and is fastened in the cavity of the insulating body : de en
  • US2037397A - Turnstile : en
  • DE628730C - Machine for the production of lattice frames and housings for fire lighters from wooden sticks : de en
  • DK51525C - Method for non-mechanical regulation of the performance of a pump for gaseous liquids and a pump intended for the performance of the method. : da en
  • GB445492A - Improvements in and relating to bodies, or containers for general transport of merchandise, or the like : en
  • GB445755A - Improvements in manifold writing attachment for typewriters : en
  • DE628493C - Filter device for water : de en
  • DE628752C - Hair clipper : de en
  • CH183446A - Process for the production of liquefied sulfur dioxide. : de en
  • US2037521A - Liquid congealing apparatus : en
  • CH183488A - Water carousel. : de en
  • DE628819C - Advertising machine with swiveling, exchangeable signs : de en
  • FR796710A - Cast steel wheels : en fr
  • FR796715A - cathode ray tube screen : en fr
  • US2037256A - Railway signaling system : en
  • US2037448A - Manufacture of thioflavine t : en
  • DE628737C - Paper container : de en
  • GB445532A - Improvements in and relating to electric heat radiators : en
  • CH183466A - Method for producing a hardened synthetic resin. : de en
  • CH183468A - Writing paper. : de en
  • US2037211A - Method of baling paper pulp : en
  • USD99278S - Design for a shoe : en
  • US2037400A - Gas burner : en
  • US2037526A - Circuit maker and breaker : en
  • CH183579A - Underframes, in particular for rail motor vehicles. : de en
  • US2037466A - Reamer : en
  • GB445759A - Improvements in and relating to free-wheel hubs for cycles : en
  • DE628848C - Process for transferring potassium chlorine into agglomerated masses : de en
  • GB445739A - Process for the manufacture of mercury compounds containing nitrogen : en
  • FR796799A - Chair : en fr
  • GB445551A - Improved method of and means for separating and/or estimating particles suspended ingases or vapours : en
  • GB445764A - Improvements relating to spray heads : en
  • US2037564A - Axle restraint device : en
  • USD99297S - Design fob a camera : en
  • DE628717C - Steam system to compensate for fluctuations : de en
  • DE628863C - Circular knife scissors for trimming curved metal sheets : de en
  • US2037420A - Sealing means for wrappers : en
  • CH183482A - Filling pencil. : de en
  • DE628776C - Process for the production of corrosion-resistant and poorly heat-conducting iron or steel plates : de en
  • GB445745A - Improvements in quick-action electric switches suitable for controlling refrigerating plants : en
  • US2037132A - Holster : en
  • US2037415A - Method of forming track shoes : en
  • CH183582A - Centrifugal governor for controlling the braking device of fast moving vehicles. : de en
  • US2037317A - Packing material : en
  • DE628784C - Machine for packing edible fat u. like : de en
  • DE628588C - Casting mold for cement pipes or the like. : de en
  • US2037047A - Blast cleaning machine : en
  • US2037363A - Fuel valve and damper control for furnaces : en
  • US2037252A - Hydrodynamic power transmission device : en
  • USD99275S - Design fob a merchandise display : en
  • US2037118A - Automobile generator regulator : en
  • US2037476A - Mechanical riveting machine : en
  • CA357154A - Aircraft : en fr
  • US2037361A - Milk bottle safe : en
  • US2037436A - Automatic pulley arrangement : en
  • US2037566A - Cleaner for tin, zinc, and aluminum : en
  • US2037629A - Duplex curtain : en
  • DK51514C - Process for the preparation of a flavoring agent for fats and fatty mixtures other than butter. : da en
  • US2037568A - Washing machine : en
  • NL37895C - : en
  • US2037657A - Spray material : en
  • US2037465A - Building block : en
  • DE628716C - Partial inclined tube boiler : de en
  • GB445711A - Improvements in and relating to the recovery of sulphur dioxide from gas mixtures : en
  • GB445712A - Improvements in the method of and means for storing gramophone records : en
  • GB445634A - Improvements relating to aeroplanes : en
  • CH183534A - Plungers for internal combustion engines. : de en
  • US2037287A - Water closet seat and cover : en
  • US2037428A - Box : en
  • US2037442A - Producing organic compounds capable of splitting off halogen : en
  • US2037596A - Welding electrode : en
  • US2037105A - Laminated article and method of manufacture : en
  • US2037616A - Knotted carpet and method of manufacturing same : en
  • US2037668A - Cable releasing device : en
  • DE628755C - Device for the continuous unwinding of the wire from a plurality of wire bundles : de en
  • DK51508C - Electron Beam Tube with Gaseous Filling for Television Use. : da en
  • FR796986A - Swimming machine : en fr
  • CH183565A - Shielding device for high frequency conductors. : de en
  • GB445582A - Improvements in or relating to thermionic valve circuit arrangements : en
  • US2037646A - Foot measuring stick : en
  • GB445700A - Improvements in process of making cast iron of improved characteristics : en
  • DE628709C - Turret switching on turret swivel arms : de en
  • CH183416A - Holding bearings for stair runners. : de en
  • US2037505A - Steering mechanism : en
  • US2037263A - Transmission : en
  • FR796739A - Process for transforming gluten and starch contained in plants into digestible elements : en fr
  • US2037276A - Insecticide and process of making same : en
  • US2037473A - Bottom stop for fasteners : en
  • USD99287S - Design for a casing fob a toaster : en
  • CH183407A - Electric heater. : de en
  • CH183576A - Automatic tire pump, especially for bicycles. : de en
  • US2037236A - Volume control apparatus and method : en
  • US2037268A - Roofing element : en
  • FR796736A - Device for emptying single-hole containers : en fr
  • GB445487A - Improvements in draught excluding beadings, strips, and the like, for doors, windows, and the like closures : en
  • GB445624A - Dart boards or like targets : en
  • FR796744A - Pen with interchangeable reservoir : en fr
  • FR796924A - Improvements to automatic gear change mechanisms : en fr
  • GB445675A - Improvements in and relating to packing-boxes divided into compartments : en
  • GB445644A - Electrostatic charging apparatus : en
  • DE628627C - Dental handpiece : de en
  • USD99312S - Design for a handle for a fly : en
  • GB445611A - Improvements in or relating to carriers for photographic film or other light-sensitive material : en
  • GB445648A - Improvements in electric discharge devices : en
  • CA357227A - Train order device : en fr
  • FR796796A - Manufacturing process and applications of synthetic resins : en fr
  • GB445732A - Amusement apparatus : en
  • US2037377A - Construction for aircraft : en
  • DE628749C - Electrical switch with electrodes moved in resistance fluid : de en
  • FR796932A - Counter with new clutch device for tabulating machine : en fr
  • FR796808A - Plunger utensil for the preparation of mousse such as whipped cream or eggs with snow : en fr
  • FR796965A - Transmissions : en fr
  • US2037450A - Rotary internal combustion engine : en
  • US2037038A - Artist's painting board : en
  • ES4064Y - New type of blotter to dry signatures. : en es
  • FR796743A - Bottle with combined drinking cup and measuring container : en fr
  • GB445628A - Improvements in concrete : en
  • GB445738A - Improvements in and relating to electron discharge devices : en
  • GB445864A - Improvements in electric lamp holders and the like : en
  • GB445641A - Improvements in or relating to spraying bottles : en
  • GB445631A - Improvements in or relating to the manufacture of goods of or containing sponge-likeor cellular rubber or the like : en
  • GB445731A - Improvements in or relating to the production of mineral lubricating oils : en
  • US2037330A - Apparatus for feeding and severing webs : en
  • FR796793A - Lowering device for bundles : en fr
  • FR796758A - Process for treating, by preparations in the liquid state and in the vapor state, objects, parts or worked products such as toes or buttresses of shoes : en fr
  • GB445640A - Improvements in or relating to controllable pitch propellers : en
  • GB445776A - Method of calcining diatomaceous earth : en
  • FR796780A - : fr
  • DE628837C - Process for the production of artificial threads or the like from viscose : de en
  • DK51533C - Armchair with movable upper part. : da en
  • CA357114A - Safety razor : en fr
  • CH183542A - Fastening of contact pieces in the insulating bodies of electrical plug contacts. : de en
  • GB445684A - Testing apparatus for fluid-tight casings : en
  • CH183429A - Recording device for electric immersion beer warmers. : de en
  • CA357153A - Water heater : en fr
  • US2037390A - End plate mechanism for roller mills : en
  • CA357141A - Hair pin : en fr
  • DE628756C - Kuepen dye pastes for stuff printing : de en
  • US2037510A - Pan set : en
  • DE628845C - Method and device for attaching washers to sealing washers of vessel closures : de en
  • US2037257A - Process of making nonstructural activated carbon : en
  • CA357124A - Yarn and filament manufacture : en fr
  • CH183426A - Containers, especially for storing tea. : de en
  • US2037581A - Ophthalmic device : en
  • DE628704C - Switching arrangement for railway fuse circuits : de en
  • ES3993Y - Formwork rail for road construction. : en es
  • GB445523A - Improvements in and relating to cathode ray tubes : en
  • US2037185A - Sound translating device : en
  • USD99283S - Design for a dress : en
  • DE628822C - Switching device adjustable by pressure medium for gear change transmissions, in particular of motor vehicles : de en
  • DE628815C - Lens with a light filter consisting of different colored zones : de en
  • GB445567A - Diaphragm valves : en
  • USD99300S - Design for a make-up cabinet : en
  • CA357201A - Boron carbide manufacture : en fr
  • US2037240A - Clutch device adapted for spray guns : en
  • CH183458A - Process for the preparation of an azo dye. : de en
  • CA357129A - Tea bag : en fr
  • CH183596A - Process for the preparation of an azo dye. : de en
  • CH183571A - Multi-speed change gear on motor vehicles. : de en
  • CA357130A - Spring : en fr
  • US2037535A - Vacuum apparatus : en
  • DE628791C - Device for modulating alternating currents (carrier currents) by signal currents : de en
  • FR796781A - Forced circulation steam generator : en fr
  • GB445537A - Methods or process of producing protective gases for use in the heat-treatment of metals : en
  • ES140743A3 - Preparation process of sodium 4-4'-dioxy-3-3'-diaminoarsenobenzene-metasulfoxylate. : en es
  • US2037398A - Coating of surfaces and in the manufacture of coated or compound materials : en
  • US2037576A - Dispensing and display cabinet : en
  • NL37828C - : en
  • US2037578A - Bedside toilet chair : en
  • DE628460C - High emission cathode : de en
  • DE628806C - Zero voltage release for starter with automatic return : de en
  • CA357183A - Door : en fr
  • CA357231A - Friction clutch : en fr
  • DE628937C - Process for the production of ceramic bodies : de en
  • US2037678A - Fastener installation and stud member : en
  • US2037417A - Refrigerating apparatus : en
  • CA357230A - Rotary engine or pump : en fr
  • US2037187A - Sound translating device : en
  • CA357147A - Vibration absorber for steering wheels : en fr
  • CA357151A - Motor vehicle brake mechanism : en fr
  • DE628914C - Inclined bean slicer : de en
  • ES3843Y - Device for the display of all kinds of articles or objects. : en es
  • FR796788A - Improvements to devices such as nozzles, in particular for gasifiers : en fr
  • ES3937U - Cancel, more particularly destined to shop windows and samples (Machine-translation by Google Translate, not legally binding) : en es
  • CH183408A - Process for obtaining fireproof and heat-insulating parts based on asbestos. : en fr
  • CH183496A - Method and device for recording the magnetization curve of iron. : de en
  • US2037176A - Air register grid : en
  • DE628732C - Vibration converter for electromechanical sound recording or sound pickup : de en
  • US2037119A - Continuous bleaching process : en
  • US2037464A - Motor vehicle driving mechanism : en
  • US2037192A - Visible inventory and sales recording device : en
  • US2037280A - Pie pan : en
  • US2037310A - Fish lure : en
  • US2037594A - Harness for looms : en
  • USD99326S - Design for a combined supporting : en
  • CH183510A - Saw jig for full frame saws. : de en
  • FR796723A - Method of manufacturing electrical resistors in the form of layers : en fr
  • GB445565A - Mixed polyvinyl resins and method of making same : en
  • US2037411A - Door closing device : en
  • USD99310S - Design for a door handle or : en
  • GB445746A - Improvements in weighing apparatus : en
  • CA11080S - Jar : en
  • DE628666C - Method and device for producing a glass object, in particular a glass beaker : de en
  • DE628774C - Lens with variable optical effect : de en
  • FR796787A - Improvements made to devices providing passage to a fluid, in particular carburettors for internal combustion engines : en fr
  • FR796829A - Bipolar magneto with rotating magnet : en fr
  • US2037285A - Electrical network : en
  • US2037509A - Razor stropper : en
  • CA357113A - Safety razor : en fr
  • CH183393A - Agricultural machine with ground drive, in particular mower. : de en
  • US2037224A - Adustable reamer for die stocks : en
  • FR796913A - Clip : en fr
  • AU2438735A - Improvements in or relating totin boxes intending tobe vacuumised or like containers : en
  • US2037062A - Condition indicating means for fuses : en
  • FR796957A - Improvements to annular steam superheaters : en fr
  • GB445719A - Improvements in or relating to electro-plating : en
  • ES140798A1 - A process for building tungsten incandescent bodies with two or more coils. : en es
  • CH183508A - Bearing for the thread cutting spindle on thread cutting devices for automatic lathes. : de en
  • US2037060A - Undergarment construction and method of making the same : en
  • US2037324A - Device for winding up electric flexible cords : en
  • CA357225A - Braking apparatus : en fr
  • CH183504A - Method and device for the production of hard bodies for tools and implements. : de en
  • GB445576A - Improvements in or relating to conduits and methods of forming the same : en
  • FR796762A - Process for the manufacture of construction equipment : en fr
  • FR796838A - Process for manufacturing tubes for superheaters, heat exchangers or others, and new tubes obtained : en fr
  • FR796918A - Device for examining machine parts for chi rays : en fr
  • GB445642A - Vehicle wheels : en
  • FR796983A - Addition to deer forages for antler development : en fr
  • FR796725A - Improvements to machines for grinding gear wheels : en fr
  • FR796973A - Weekly memorandum calendar with detachable daily sheets : en fr
  • DE628724C - Process for the production of bromine-containing dyes : de en
  • DE628869C - Stabilizer for vehicles, especially aircraft : de en
  • US2037012A - Process for the production of polyvinyl compounds : en
  • US2037087A - Device for producing artificial silk threads of perfectly uniform cross-sectional shape : en
  • US2037128A - Compressor control structure : en
  • US2037583A - Actuating mechanism for aeroplane flotation devices : en
  • DE628690C - Process for preserving shortening : de en
  • DE628691C - Methods and aids for setting light : de en
  • CA357207A - Steam generator : en fr
  • US2037493A - Heavy duty steam generator : en
  • FR796850A - Viscometer : en fr
  • FR796948A - Process for producing hollow bodies made of chocolate or the like : en fr
  • DE628884C - Oven door with an extractor hood above the locking door : de en
  • FR796742A - Derailleur for cycles : en fr
  • GB445603A - Improvements in or relating to sheet metal buckets, drums or like containers : en
  • US2037209A - Locomotive crosshead : en
  • US2037679A - Method and apparatus for rejecting heat from a cascade system : en
  • FR796915A - Advanced trailer for vehicles traveling on roads : en fr
  • USD99289S - Design for an ornamental plate for : en
  • DE628347C - Method of making rubber figures : de en
  • CA357219A - Yieldable mounting : en fr
  • CH183480A - Process for making copies of reflex copies. : de en
  • US2037116A - Dispensing top for containers : en
  • CA357157A - Ice cube shattering device : en fr
  • CA357186A - Wallboard construction : en fr
  • CH183421A - Device for protection against flies and mosquitoes. : de en
  • CH183418A - Wooden grate. : de en
  • DK51506C - Pump for Oil or other liquid Fuel. : da en
  • GB445660A - Improved watch with concealable dial : en
  • US2037502A - Carton : en
  • US2037652A - Shoe and method of making same : en
  • USD99274S - Design for a closure cap or : en
  • DE628772C - Device for the evaluation of indicator diagrams which are recorded in polar coordinates : de en
  • DE628927C - Hydraulic braking device for motor vehicles : de en
  • CH183415A - Curtain board for pull and spinning curtains and curtains. : de en
  • DE628913C - De-stoning tools on de-stoning machines with swivel-mounted, controlled grippers : de en
  • US2037475A - Package size indicator for winding machines : en
  • US2037640A - Pneumatic tire : en
  • DE628765C - Device for the production of asbestos-insulated electrical wires : de en
  • GB445600A - Improvements in and relating to the manufacture of packets of cigarette papers : en
  • US2037633A - Method of and apparatus for cleaning stainless steel : en
  • US2037225A - Window construction : en
  • US2037530A - Carburetor : en
  • ES4027Y - Bra with garter belt. : en es
  • GB445933A - Improvements in and relating to electric direction control apparatus for electric vehicles : en
  • DE628891C - Injection device for steam generator : de en
  • FR796862A - Connection device for flexible cables : en fr
  • FR796764A - Improvements in color photography : en fr
  • US2037601A - Biograph film winding apparatus : en
  • GB445701A - Improvements in the production of printing inks comprising the dispersion of pigments in oils : en
  • FR796812A - Preparation process for plastics : en fr
  • GB445705A - Pigments and their manufacture : en
  • US2037124A - Dual cam intermittent movement : en
  • US2037127A - Fluid pump : en
  • US2037245A - Fluid separator : en
  • CA357185A - Wall construction : en fr
  • FR796899A - Projectile improvements : en fr
  • GB445674A - Improvements in composite safety glasses : en
  • GB445777A - Method of calcining diatomaceous earth : en
  • GB445784A - Improvements in or relating to supporting means for photographic cameras : en
  • US2037610A - Disk clutch : en
  • DE628912C - Self-seller for gas, water, electricity or the like. : de en
  • NL37903C - : en
  • DE628739C - Viewfinder for photographic cameras : de en
  • US2037103A - Semiautomatic self-feed and selfcoiling snake tool : en
  • US2037553A - Portable lemon slice squeezer for table use : en
  • CH183541A - Centrifugal switch, especially for centrifugal starters. : de en
  • GB445750A - Improvements in soluble ink fountain pen : en
  • GB445781A - Manufacture of pyridine dyestuffs : en
  • GB446170A - Improvements in or relating to jacking apparatus for road vehicles : en
  • US2037504A - Envelope : en
  • USRE19929E - Method of heat insulating : en
  • US2037559A - Drying apparatus : en
  • DE628782C - Perforated metal plate to reinforce the individual nail holes of rubber heels, rubber corners, etc. like : de en
  • DE628763C - DF device with two identical, separately tunable receiving antennas : de en
  • ES4042Y - Device for cage feeders. : en es
  • FR796815A - Method of manufacturing rubber objects by coagulation : en fr
  • DE628807C - Device for tension-free insertion of high-performance fuse cartridges or strips : de en
  • ES3809Y - Hollow bricks. : en es
  • CA357144A - Seasickness preventing device : en fr
  • FR796790A - Phase circuit breaker relay : en fr
  • FR796823A - Apparent solidification process, temporary or permanent, of certain liquids and in particular of hydrocarbons : en fr
  • US2037029A - Process of producing a food product : en
  • US2037266A - Potato grading and cleaning apparatus : en
  • GB445716A - Improvements in or relating to plotting maps : en
  • US2037373A - Hydraulic locomotive : en
  • US2037072A - Railway car door : en
  • US2037179A - Pilot control reducing valve : en
  • USRE19923E - Balloon tire jack : en
  • GB445539A - Improvements in and apparatus for drying cakes of artificial threads, filaments and the like : en
  • US2037482A - Concrete structure : en
  • USD99262S - Design for a clip for a fountain pen : en
  • US2037456A - Automatic volume control : en
  • DK51520C - Waterproof branch box, lamp box or similar cable box. : da en
  • GB445482A - Improvements in and relating to devices for delivering measured quantities of liquids : en
  • US2037667A - Computing mechanism : en
  • DE628929C - So-called artillery wheel consisting of sheet metal parts with pressed spokes : de en
  • ES4040Y - Device in a circular shape to prevent ants and other insects from climbing up the trunk in the trees. : en es
  • DE628899C - Process for the production of fusible conductors for electrical fuses : de en
  • US2037659A - Interlocking circuits : en
  • DE628792C - Procedure for disinfection and preservation : de en
  • DE628847C - Method and device for processing acid sludge on sulfur dioxide and coke : de en
  • GB445559A - Improvements relating to controlling valves for fluid systems : en
  • FR796949A - Manufacture of a device for introducing a powder into air chambers : en fr
  • FR796874A - Improvements to clocks and electric clocks : en fr
  • US2037358A - Reversible fluid pressure motor : en
  • USD99264S - Design for a combined vanity case : en
  • ES3840Y - Flytrap : en es
  • FR796921A - Device allowing plows to penetrate the earth in times of great drought : en fr
  • DE628889C - Clamping rail for files or the like to hold unperforated documents : de en
  • GB445715A - Improvements in bottle washing, filling and capping machines : en
  • US2037101A - Flash lamp : en
  • DE628766C - End collar clamp for overhead lines : de en
  • DE628892C - Piston engine : de en
  • GB445714A - Improvements in or relating to the production of yeast : en
  • GB445594A - Improved cover for use with display stands and the like : en
  • FR796858A - Drive device for electric generators : en fr
  • ES3684Y - Electric accumulator batteries. : en es
  • US2037288A - Milk can indicator : en
  • DE628684C - Device for generating gaseous fuel mixtures from liquid fuel and combustion air : de en
  • ES3455Y - Stackable chairs. : en es
  • GB445666A - Improvements relating to the construction of staircases : en
  • FR796990A - Improvements to pump tips : en fr
  • GB445581A - Process for the manufacture of heterocyclic hydroxy compounds : en
  • DE628814C - Plywood board : de en
  • ES140797A1 - Improvements in the vacuum devices. : en es
  • FR796941A - Manufacture of shoes with first cord by double-stitched welt system : en fr
  • FR796729A - Improvements to steel parts and their manufacturing process : en fr
  • DK51527C - Procedure and means of clearing cloudy juices and extracts. : da en
  • US2037204A - Mold for type casting machines and the like : en
  • FR796852A - New rotary engine : en fr
  • DE628706C - Circuit arrangement for telecommunications, in particular telephone extension systems : de en
  • FR796927A - Mounting system to increase the use of operating telephone installations : en fr
  • GB445481A - Improvements in a pectous material and process of making the same : en
  • FR796776A - Electric discharge tube : en fr
  • FR796891A - Washing machine, rinsing and spinning the laundry : en fr
  • CH183581A - Brakes on wheelsets, especially on railway vehicles with rapid braking. : de en
  • GB445751A - Improvements in chairs constructed of tubular metal and the like : en
  • US2037501A - Roundhouse equipment : en
  • CA357164A - Ceramic material : en fr
  • GB445708A - Improvements in and relating to plates for secondary batteries : en
  • US2037512A - Method of producing cross-wound warp beams and apparatus therefor : en
  • DE624812C - Switch for automatic interruption of the electrical circuit : de en
  • DE628745C - Resilient contact wire suspension : de en
  • DE628802C - Tabulation device on typing, writing calculators, adding machines, etc. : de en
  • US2037250A - Electric fan : en
  • US2037461A - Stapling machine : en
  • US2037628A - Needle receptacle : en
  • FR796803A - Zirconium oxychloride production process : en fr
  • FR796959A - Electrically heated cooking appliance : en fr
  • US2037584A - Automatic fire alarm fuse-bulb : en
  • FR796722A - Process for preparing a yellow substantive dye for cotton : en fr
  • GB445768A - Improvements in and relating to cakes and other cake-like baked products and methodsof making the same : en
  • FR796911A - Mechanical operating device : en fr
  • GB445491A - Improvements relating to windows, ventilators and the like : en
  • USD99261S - Combined motor and pump : en
  • GB445526A - Improvements in or relating to preserving jars : en
  • GB445552A - Foot guard : en
  • US2037486A - Thermostatic control : en
  • GB445698A - Improvements in or relating to means for distributing the air supplied to furnace grates : en
  • US2037077A - Garment hanger : en
  • ES3970Y - A box for calculations and number combinations : en es
  • USD99321S - Mystic robot : en
  • DE628689C - Method of heating milk : de en
  • GB445623A - Settee beds : en
  • DE628890C - Device for thickening or drying solutions : de en
  • CH183437A - Zip fastener and method and device for manufacturing the same. : de en
  • CH183583A - Metal boat. : de en
  • GB445728A - Improvements in the heat treatment of coal and oil mixtures and distillates obtainedtherefrom : en
  • GB445737A - Improvements in and connected with apparatus for feeding films in kinematograph projectors : en
  • DE628770C - Process for the production of toy balls, in particular golf balls : de en
  • CA357117A - Liquid dispenser : en fr
  • ES4044Y - Recreational announcing device. : en es
  • FR796880A - Process for the rapid construction of booms, quay walls, etc. : en fr
  • GB445863A - Improvements in or relating to electrical connectors : en
  • CA357197A - Welding method : en fr
  • CA357138A - Dish-washer motor mounting : en fr
  • FR796974A - Improvements to cigar making machines : en fr
  • CH183572A - Combined anti-theft and lifting device on motor vehicles. : de en
  • US2037313A - Gun : en
  • US2037386A - Lock leg for stoves : en
  • US2037021A - Tank truck : en
  • USD99322S - Design for a piano : en
  • DE628788C - Manufacture of krypton and xenon : de en
  • CH183528A - Process for the production of Stauffer bushes with welded lower part. : de en
  • US2037487A - Window channel : en
  • US2037100A - Machine for dusting bran : en
  • CH183456A - Process for the preparation of a new trisazo dye. : de en
  • USD99271S - Design fob a comb : en
  • US2037503A - Machine for coating metal plates with metals or alloys : en
  • CH183451A - Process for obtaining active ingredients from drugs without further purification. : de en
  • US2037221A - Telephone system : en
  • US2037477A - Safety release for riveting machines : en
  • US2037306A - Method and apparatus for logging a well : en
  • FR796728A - Current inverter for dynamo supplying a battery and a consumer network : en fr
  • FR796817A - Multi-layered photographic printing equipment for producing multi-color photographs : en fr
  • CH183585A - Method of making yogurt. : de en
  • GB445580A - Improvements in or relating to electrical signalling systems : en
  • FR796982A - Inhaler : en fr
  • GB445483A - Improvements in steam generators for cloth pressing and steaming devices : en
  • US2037031A - Machine for making rubber threads and method of making the same : en
  • US2037362A - Sliced loaf bagging device : en
  • US2037403A - Trailer hitch : en
  • DE628753C - Screwable Christmas tree candle holder : de en
  • FR796791A - Process and apparatus for the preparation of metal alkyl compounds and resulting products : en fr
  • US2037325A - Garment hanger : en
  • FR796737A - Articulated frame for road vehicles with mechanical traction : en fr
  • US2037223A - Tongs for removing and putting in place the key rings of typewriting machines and the like : en
  • ES4067Y - Cap to prevent the filling of bottles, drums and similar containers. : en es
  • FR796842A - New chain derailleur for changing cycle speeds : en fr
  • DE628855C - Monitoring device for electric motors : de en
  • FR796833A - Safety primer, in particular for the initiation of explosives of the deflagrating and non-detonating type : en fr
  • FR796951A - Economical laundry washer : en fr
  • FR796893A - Method of manufacturing adjustable film resistors : en fr
  • FR796745A - Improvements relating to the mixing of concrete mortar or similar products : en fr
  • FR796944A - Compressed air device for practice firing, particularly for light machine guns and submachine guns : en fr
  • GB445760A - Improvements in devices for opening cartons, paper pots and like fibrous-walled containers : en
  • US2037102A - Muffler : en
  • US2037194A - Thermometer : en
  • ES4077Y - Inhaler. : en es
  • GB445710A - Improvements in or relating to electrical condensers : en
  • DK51531C - Electrical Image Transfer Method and Apparatus. : da en
  • GB445665A - Ray deflection system for braun tubes : en
  • GB457549A - An improved process for making washing agents containing soap : en