• US2227165A - Evaporator for periodical absorption refrigerating plants : en
  • PL29425B1 - The method of producing sulfur dyes. : en pl
  • CA393527A - Luminair : en fr
  • US2227112A - Nongravitational governor : en
  • US2226714A - Stabilization of styrene : en
  • CA393601A - Adjustable candlestick : en fr
  • CA393454A - Vehicle window regulator : en fr
  • US2226782A - Starting and stopping mechanism : en
  • US2227211A - Tilting device : en
  • DE700903C - Attention with rotary duplicators after a certain number of prints : de en
  • PL29407B1 - : en pl
  • US2227026A - Amplifier arrangement for television purposes : en
  • US2227187A - Decorative wreath : en
  • US2227044A - Winding frame for winding bobbins with cylindrical layering : en
  • USD124383S - Design fob. a lace : en
  • US2226695A - Clad metal and method of making same : en
  • US2226784A - Electrolytic cell : en
  • US2227008A - Frequency reduction device : en
  • CH212935A - Dismountable plunger injection syringe. : de en
  • US2226552A - Alicyclic phosphite compounds and method of manufacturing same : en
  • US2226966A - Means for manufacturing bricks and the like : en
  • US2227030A - Electron amplifier : en
  • CH212967A - Chassis for motor vehicles. : de en
  • USD124354S - Design for a flexible pocket receptacle : en
  • PL29392B1 - Method of making tapes or sheets for tin cans, tin packaging, etc. : en pl
  • US2226853A - Endless chain conveyer : en
  • US2227239A - Filtering apparatus : en
  • US2227402A - Duplex riveting machine : en
  • USD124398S - Design for a pin clip : en
  • PL29441B3 - A device protecting against freezing of utility water installations in railway cars. : en pl
  • US2226661A - Reverse gearing : en
  • CA393569A - Corrugating machine and guide : en fr
  • DK58290C - Sunshine for Food Protection. : da en
  • CA393509A - Stiffening material manufacture : en fr
  • US2226628A - Organic keto alcohols and method of obtaining the same : en
  • US2227283A - Loading ramp for hand trucks : en
  • US2227330A - Short wall carrier : en
  • US2227338A - Device for indicating changes of direction in vehicles : en
  • DE1496085U - : de en
  • ES146482A3 - Industrial procedure to obtain moldable stone masses. : en es
  • FR859888A - Improvements to internal combustion engines : en fr
  • FR859995A - Process for preparing oxidized cellulose : en fr
  • US2227060A - Terpene-cyanoacyl compound and method of producing same : en
  • CA393531A - Statistical card : en fr
  • CA393439A - Container clamping tool : en fr
  • CH212900A - Hydraulic copier. : de en
  • CH212891A - Process for the extraction of alkali metals. : de en
  • US2227094A - Locomotive draft sheet : en
  • US2226912A - Game : en
  • PL29423B1 - : en pl
  • US2227204A - Safety device for airplanes : en
  • ES146228A1 - A procedure for obtaining a coffee substitute. : en es
  • JPS1612513Y1 - : ja
  • US2227336A - Hydraulic coupling and turbotorque transmitter : en
  • BE439739A - Hydrogenator gasifier, distillation apparatus : en fr
  • US2227314A - Fastener-applying implement : en
  • US2226597A - Reflector structure : en
  • US2226649A - Machine for forming shapes : en
  • US2227147A - Photoelectric burglar alarm system : en
  • GB531094A - Improvements relating to the production of cartoon films : en
  • US2227156A - Treatment of electrical apparatus : en
  • US2227391A - Apparatus for and method of treating fabrics : en
  • DE699134C - Electric gas switch : de en
  • CH212885A - Arrangement for recording tones to create a directional effect. : de en
  • CH212934A - Menstrual pad. : de en
  • US2226776A - Tanning of hides and skins : en
  • US2226952A - Switching circuit : en
  • US2227124A - Damming device : en
  • USD124434S - Design fob a dress ensemble : en
  • PL29453B1 - A method of producing metals and alloys containing little carbon and silicon. : en pl
  • CA393459A - Door checking and holding device : en fr
  • US2226843A - Valve construction : en
  • DE700735C - Process for flotation of ores : de en
  • DE673072C - Steel melting furnace plant : de en
  • CA393448A - Furnace fuel combustion device : en fr
  • CH212947A - Radio with remote control. : de en
  • DE700767C - Process for the preparation of amine-aldehyde condensation products : de en
  • DE700794C - Mechanically driven impact device : de en
  • FR859817A - Process for obtaining a rigid bond of metals or alloys of light metals, with metals or alloys of heavy metals : en fr
  • GB531221A - An improved method of mounting postage stamps or the like : en
  • GB531328A - Improvements in or relating to apparatus for feeding cut tobacco : en
  • PL29398B1 - Sealing of blade rims in turbines. : en pl
  • US2226625A - Buffing or polishing wheel : en
  • US2227151A - Damming attachment : en
  • DE700778C - Fluid circuit as a clutch or converter based on the hydrodynamic working principle : de en
  • DE700865C - drinking water : de en
  • ES146347A1 - A new closing cap system for metal containers. : en es
  • GB531182A - Improvements in or relating to the cleaning of air and other gases : en
  • GB531346A - Improvements relating to drying tumblers for use in laundries : en
  • ES146354A1 - A SPRAYER : en es
  • GB531444A - Improvements in or relating to compressor plants of variable delivery of pressure fluid : en
  • ES146224A1 - IMPROVEMENTS INTRODUCED IN MOORED TORPEDOS OR MINES, SUBMERGED IN WATER CURRENTS : en es
  • FR859802A - Camera for taking successive images arranged in horizontal rows superimposed on the same sensitive surface : en fr
  • ES146208A1 - Device for packing a transportable block of fibrous material in transportable branch of fibrous material in branch for the treatment by wet way. : en es
  • GB531141A - Improvements in or relating to setting mechanisms, more particularly for tuning wireless receivers : en
  • CH212845A - Joggers. : en fr
  • CA393597A - Vinyl halide manufacture : en fr
  • US2227036A - Electrostiatic wide-angle deflection : en
  • US2227352A - Flexible metal shoe : en
  • DE700804C - Oscillation circuit with a maximum and minimum in the resonance curve : de en
  • US2227369A - Welded rail bond : en
  • ES146207A1 - Method of obtaining a new alloy of metals applied for welding at low temperature with a copper soldering iron. : en es
  • FR859867A - Steam trap : en fr
  • GB531122A - Electrodynamic oscillation damper : en
  • USD124444S - Design for a dress or similar article : en
  • US2226879A - Illuminating device : en
  • US2226909A - Anthraquinone dyestuffs and a process for their manufacture : en
  • US2227317A - Method of preparing dried vegetable food products : en
  • US2226768A - Method of making hose and the like : en
  • USD124443S - Design for a dress : en
  • DE700851C - Arrangement for regulating the speed of drive devices for control tables : de en
  • DE700905C - Pull-through furnace : de en
  • US2227113A - Combined umbrella and base therefor : en
  • US2227253A - Automatic gas cap and hood locking device : en
  • US2227020A - Cathode ray deflecting means : en
  • FR859976A - Process for examining substances using slow neutrons : en fr
  • FR859984A - Electronic ray microoscillograph : en fr
  • ES146235A3 - A new procedure to treat plant residues destined to obtain paper pulp. : en es
  • USD124355S - Design for a flexible pocket receptacle : en
  • FR860011A - Automatic electric welding system : en fr
  • GB531454A - Improvements in or relating to ultra short wave apparatus : en
  • GB531322A - Improvements in and relating to the folding of sheets such as tablecloths and the like : en
  • FR859979A - Receiver relay for remote control systems : en fr
  • ES146284A1 - Improvements in or related to spinning or similar winding machines. : en es
  • US2226660A - Gear shifting mechanism : en
  • ES146377A1 - Process for the preparation of 3-oxido-4-carbaminobenzol-1-arsenic acid. : en es
  • US2226880A - Sparkling liquid dispenser : en
  • US2226550A - Magnesium alloy : en
  • ES146450A1 - A rotary disk-thread guide device for winding and winding machines in general. : en es
  • US2227225A - Beater or thrashing cylinder for harvesters : en
  • GB531104A - Electric signal transmission systems : en
  • GB531371A - Improvements relating to electrically heated cooking and like apparatus : en
  • US2226923A - Control for fuel feeding apparatus : en
  • US2227358A - Tobacco pipe : en
  • US2226554A - Sized pellicle : en
  • GB531273A - Improvements in and relating to insulated electric conductors : en
  • DE700654C - Adding machine : de en
  • US2227032A - Cathode ray tube : en
  • US2227063A - Coffee bean flour and method of producing same : en
  • US2226563A - Combine adjustment mechanism : en
  • US2227340A - Wheel mounting : en
  • US2226987A - Method of reproducing impressions in a definite relation to one another : en
  • FR860034A - Clothes pressing machine : en fr
  • GB531112A - Improvement in or relating to the manufacture of heat exchange units : en
  • GB531195A - Stabilisation of aqueous dispersions of polymerised halogenated dienes : en
  • GB531329A - Improvements in or relating to machines for making boxes from cardboard or similar material : en
  • ES146258A1 - A supplier or loading apparatus, more especially for charging carbonization retorts. : en es
  • IE16076L - Telephone exchange recording systems : en
  • ES146359A1 - Procedure for the manufacture of a substitute for asphalt materials and elastic masses in general. : en es
  • ES146410A1 - A process for the manufacture of catalysts insensitive to the action of air. : en es
  • GB531270A - Improvements in and relating to insulating material : en
  • CA393568A - Empty and load brake mechanism : en fr
  • US2227246A - Dehydrating process : en
  • US2227349A - Process and apparatus for generating steam : en
  • US2227062A - Electron discharge device : en
  • US2227125A - Electric protective apparatus : en
  • US2227271A - Caster socket structure : en
  • CA393560A - Olefin dispersion in acid polymerization : en fr
  • GB531223A - Improvements in or relating to devices for and methods of chilling or freezing liquid materials, for example confections or confection mixtures : en
  • DE700757C - en : de en
  • DE700798C - Continuous extraction device : de en
  • FR860001A - Address printing machine fitted with a web advancement device : en fr
  • GB531096A - Improvements in fluid-seals for members movable in cylinders : en
  • DE700864C - Device on writing, calculating and similar machines for braking the paper trolley : de en
  • CA393442A - Underfeed stoker : en fr
  • CA393502A - Electron tube cathode : en fr
  • CA393602A - Sound deadening supporting element : en fr
  • PL29411B1 - Ambi-Budd Presswerk Gesellschaft mit beschrankter Haftung, Berlin-Johannisthai. Portable pressure-resistant tank. : en pl
  • US2226825A - Film reel : en
  • PL29426B1 - : en pl
  • ES146370A1 - A procedure for the treatment of iron-containing minerals. : en es
  • FR859809A - Further training in very high voltage circuit breakers : en fr
  • FR859961A - Method and installation for measuring changes in volume of a relatively soft-walled capacity, for example flexible piping : en fr
  • GB531080A - Improvements relating to inductive load circuits supplied with rectified alternatingelectric currents : en
  • GB531125A - Improvements in tubular rivets : en
  • FR860043A - Elastic mounting device for grinding wheels : en fr
  • USD124341S - Design for a textile fabric : en
  • ES146393A3 - Procedure for the manufacture of articles of plastic materials. : en es
  • US2226641A - Ventilator : en
  • US2226810A - System for controlling vapor pressure in fuel supply tanks : en
  • US2227143A - Printing device, particularly for tabulating machines controlled by record cards or bands : en
  • USD124431S - Design fob a hat holder : en
  • US2226713A - Tank cradle : en
  • US2227342A - Utility case : en
  • DK58296C - Construction element of Pipes for Bodywork for Omnibuses, Motor Vehicles and similar Vehicles. : da en
  • US2226734A - Telephone subset : en
  • US2226866A - Steering wheel cover and method of forming the same : en
  • US2226832A - Ham form : en
  • US2227009A - Keystone corrector : en
  • US2227178A - Taper attachment for lathes : en
  • US2227387A - Stock reel : en
  • USD124489S - Design for a deess : en
  • CH212985A - Process for the preparation of a halogen-substituted acylaminosulfonic acid. : de en
  • DE700834C - : de en
  • US2226993A - Television receiver : en
  • US2227107A - Carburetor by-pass : en
  • USD124331S - Design for a shoe : en
  • USD124376S - Zavell textile fabric or similar article : en
  • US2227039A - High powered electron discharge device : en
  • US2227310A - Basket-ball backstop apparatus : en
  • US2226538A - Blood transfusion device : en
  • FR859825A - Refinements to split anode magnetron systems : en fr
  • CH212887A - Watch box. : en fr
  • US2226747A - Means for supply of current to electric furnaces : en
  • US2227400A - Process for preparing acylamino nitro diphenyl sulphones : en
  • US2226573A - Process of making cadmium red pigment : en
  • US2226868A - Friction latch : en
  • CH212864A - Verfahren zur fortlaufenden Bedeckung von Drähten aus hochschmelzenden metallischen Werkstoffen mit hochschmelzenden Oxyden. : en fr
  • FR859868A - Improvements to gas masks : en fr
  • FR859939A - Improvements in the manufacture of so-called ball buttons : en fr
  • GB531090A - Improvements in gas producers : en
  • CH212862A - Process for the production of structures from protein substances. : de en
  • USD124342S - Design for a textile fabric : en
  • GB531234A - Badminton shuttle-cock : en
  • GB531237A - Improvements relating to electrical primary cells : en
  • DK58283C - Process for the Preparation of Quinoline Compounds Containing in the 4-Position a Basically Substituted Amino Group. : da en
  • US2226820A - Clothesline hanger : en
  • US2226787A - Gasoline antioxidant : en
  • DE700842C - Device for looms to make visible chain thread breaks, nests or the like. : de en
  • DE700914C - Device for producing a hollow thread by rolling up a finished ribbon in a helical manner : de en
  • FR859896A - Waterproof elastic seal : en fr
  • GB531268A - Improvements relating to holders for piezo-electric devices : en
  • ES146472A2 - IMPROVEMENTS MADE IN PATENT NUMBER 146157 : en es
  • ES146402A1 - Cable for mobile installations, pupinizadas, of remote messages. : en es
  • US2226815A - Pneumatic controller : en
  • US2227315A - Hand brake mechanism : en
  • US2227351A - Polarized dynamic relay : en
  • US2227390A - Handbag frame : en
  • USD124338S - Design for a textile fabric : en
  • ES146438A1 - A procedure for obtaining injectable solutions of theophylline and caffeine in concentrated, aqueous and unalterable form. : en es
  • US2226640A - Auxiliary lock : en
  • US2226926A - Combined filter and press : en
  • CH212993A - Process for the preparation of a hexakisazo dye. : de en
  • ES146308A1 - A method of manufacturing a reinforced flexible tube. : en es
  • ES146290A1 - An installation for television. : en es
  • FR859884A - Improvements to automatic limitation of in-flight forces : en fr
  • US2227222A - Plant spraying apparatus : en
  • US2227396A - Automobile jack : en
  • US2226871A - Apparatus for drying : en
  • US2226924A - Typewriting machine : en
  • US2226578A - Kiln : en
  • US2226936A - Exhaust manifold system : en
  • DE700835C - Suspension for bicycles, especially motor bicycles : de en
  • DE700951C - chinen : de en
  • GB531189A - Improvements in electromagnetically operated step-by-step devices : en
  • FR859949A - Projector for bicycles or others fitted with a support intended to receive a spare lamp : en fr
  • GB531242A - Improvements in or relating to high-speed motor-boats : en
  • DE700808C - Procedure for testing or calibrating three-phase current controllers of a single-phase calibration or testing device : de en
  • US2226565A - Shoetree : en
  • FR859963A - Improvements to equipment for parachutists : en fr
  • GB531457A - Improved die press : en
  • FR860014A - Improvements in processes for the conversion of olefinic hydrocarbons to higher boiling point hydrocarbons : en fr
  • GB531145A - Improvements in or relating to methods and means for improving the durability of glass containers : en
  • DE700756C - d from rectifier, transformer and fan : de en
  • DE700759C - Glutin glue for water-resistant gluing : de en
  • US2226870A - Filtering unit cleaner : en
  • US2226899A - Dispensing container : en
  • US2227405A - Plural valve control : en
  • USD124418S - Design for a dress or similar article : en
  • ES146346A2 - MODIFICATIONS INTRODUCED TO THE OBJECT OF THE MAIN PATENT : en es
  • US2226582A - Electrical vaporizer : en
  • US2227015A - Picture transmitter : en
  • US2227237A - Photographic shutter brake : en
  • DE700932C - Alternator of the homopolar type : de en
  • SU58541A1 - Drum washing machine : en ru
  • US2227142A - Motor vehicle : en
  • USD124465S - Design fob a dress : en
  • ES146433A2 - A BRAKING DEVICE FOR AIRCRAFT : en es
  • FR859839A - Injection pump for fuel or similar substances : en fr
  • US2227058A - Terpene-cyanoacyl compound and method of producing same : en
  • FR860013A - Searching finger control for reproduction devices, in particular milling machines, grinding machines and reproducing lathes : en fr
  • GB531076A - Improvements in or relating to thermionic electrode structures : en
  • ES146367A1 - A closure device for canning cans and especially for cans of condensed milk. : en es
  • ES146381A1 - An electron valve. : en es
  • FR859977A - Assembly for telephone systems with musical frequency selection : en fr
  • ES146302A1 - A process for the hydrogenation of unsaturated hydrocarbons. : en es
  • ES146414A1 - A process for the destructive hydrogenation of solid carbonaceous materials. : en es
  • US2226795A - Refrigerator : en
  • US2227354A - Combined ash tray and cigarette extinguisher : en
  • DE700917C - Process for the production of chlorites of the alkali metals and alkaline earth metals : de en
  • GB531292A - Manufacture of disazo dyestuffs : en
  • US2227119A - Wringer : en
  • GB531434A - Improvements in, and connected with, emergency stop switches for electrical apparatus : en
  • CA393465A - Hog fuel burner : en fr
  • US2226735A - Removable folding table : en
  • US2227134A - Electric circuit interrupter : en
  • US2227207A - High frequency system : en
  • US2227311A - Process for the synthesis of plastic materials from unsaturated hydrocarbon oils andsulphur : en
  • US2227262A - Hair drying apparatus : en
  • DE700797C - Journal sheet with cutouts or windows for copying the transfers to other sheets : de en
  • DE700867C - Annealing furnace for batch loading with circulating heating : de en
  • ES146243A3 - Automobile lifting device. : en es
  • ES146248A1 - A process for the extraction by zinc fusion of the zinc powder and similar products containing metallic zinc. : en es
  • ES146494A1 - New spark plug. : en es
  • GB531257A - Method of and means for hydraulically operating machine tools and other mechanical appliances : en
  • US2226621A - Radius rod : en
  • US2227266A - Luggage case : en
  • GB531394A - Electrical communication system : en
  • GB531118A - An improved process for the extraction of the valuable contents from antimonial, arsenical and other complex ores : en
  • GB531140A - Improvements in padlocks : en
  • GB531442A - Improvements in or relating to thrust resistant discs : en
  • USD124445S - Design for a dress or similar article : en
  • DE700940C - Process for the production of synthesis gas by gasifying fuels under increased pressure by means of oxygen-water vapor mixtures : de en
  • FR859912A - Process and installation for the precipitation and recovery of suspended solid particles in waste water from paper machines : en fr
  • US2226807A - Machine for color printing : en
  • US2227321A - Preparation for applying to the hair and skin preparatory to dry-shaving : en
  • US2227344A - Liquid filter : en
  • CH212999A - Process for the preparation of a hexakisazo dye. : de en
  • ES146232A1 - Procedure for molding polymerized crystalline products. : en es
  • ES146369A1 - A process for obtaining hydrocarbons of carbon oxide and hydrogen. : en es
  • FR859876A - Guide document for the rational lubrication of a motor vehicle or other : en fr
  • US2227161A - Paint spray gun : en
  • US2227263A - Injection molding device : en
  • US2226682A - Corrugated panel structure : en
  • ES146444A2 - IMPROVEMENTS INTRODUCED IN PATENT NUMBER 140108 : en es
  • US2226705A - Regulator for engine driven generators : en
  • US2226551A - Railway truck structure : en
  • US2226623A - Venetian blind tilter : en
  • US2226881A - Exercising stand : en
  • US2227166A - Photoelectric exposure meter : en
  • USD124373S - Ihi i i i i i i i i i i i i ii : en
  • DE700699C - Photographic lens : de en
  • FI18945A - Sädestorkningsanordning : en fi
  • FR859821A - Coil ignition device for internal combustion engines : en fr
  • GB531088A - Improvements in vibratory massage or like devices : en
  • US2226541A - Cement and method of preparing the same : en
  • US2226702A - Tool for fixing hose unions : en
  • US2226953A - Method of producing reinforced sheet cork : en
  • CH212892A - Process for the production of sodium by electrolytic means. : de en
  • FR859815A - Improvements to variable speed transmissions : en fr
  • FR859882A - High reactivity coke manufacturing process : en fr
  • FR859962A - New manufacturing process for washable wallpapers and papers obtained by this process : en fr
  • GB531366A - Improvements relating to the combustion chambers and fuel supply thereto in two-stroke compression ignition oil engines : en
  • USD124394S - Design for a bottle : en
  • US2227034A - Cathode ray tube : en
  • USD124436S - Design for a lace collar or similar article : en
  • DE700847C - Disinfectants : de en
  • DE700960C - Spinning ring for ring spinning machines : de en
  • ES146385A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 145705 : en es
  • ES146270A1 - An arrangement for the tuning of a receiver of electric oscillations. : en es
  • DE700922C - s of a television station in the case of film transmission : de en
  • DK58300C - Straightening machine and other machines used to apply pressure on shoe bottoms. : da en
  • CH212968A - Gear change transmission for motor vehicles with rear engine. : de en
  • FR859813A - Vision frequency amplifier : en fr
  • GB531299A - De-icing apparatus for the airscrews of air-cooled aircraft engines : en
  • DE700886C - Circumferential impact body for vacuum cleaner with a brush that can be held in a groove : de en
  • US2227069A - Dispensing apparatus : en
  • USD124421S - Design for, a dress : en
  • GB531177A - Manufacture of aldehydes of the saturated and unsaturated pregnane series : en
  • DE700774C - : de en
  • ES146298A1 - Reception system for the high frequency information service. : en es
  • GB531198A - Improvements in or relating to shoe-upper shaping machines : en
  • US2226590A - Insulated electric conductor : en
  • US2226686A - High frequency transmission network : en
  • US2226756A - Dial indicator gauge : en
  • US2227086A - Duplex burner and combustion chamber therefor : en
  • CA393553A - Electron discharge device mount : en fr
  • ES146239A1 - Gyroscope suspended to the gimbal. : en es
  • GB531157A - Improvements in power transmission mechanism : en
  • GB531381A - Improvements in or relating to the treatment of iron-silicon alloys : en
  • FR859895A - Method of electrical transmission of multiple indications and application devices : en fr
  • ES146227A1 - A safety mask or mask for the swimmer. : en es
  • ES146424A3 - A new process for the manufacture of artificial wool from a braid of many cellulose fibers. : en es
  • US2227179A - Combined coin carrier and advertisement : en
  • US2226677A - Automatic machine tool for machining profiled workpieces : en
  • US2226821A - Remote control : en
  • US2226998A - Propagation of television images : en
  • US2227141A - Page printer : en
  • USD124468S - Design fob a ores : en
  • CA393472A - Motor circuit selector : en fr
  • CH212983A - Advanced instrument for working the soil. : en fr
  • ES146422A2 - IMPROVEMENTS MADE IN THE PATENT OF INVENTION NUMBER 146418 : en es
  • GB531092A - Improvements in or relating to vehicle bodies : en
  • GB531165A - Improvements in or relating to gas producers : en
  • GB531184A - Improvements in or relating to invalid chairs and the like : en
  • ES146237A1 - Separators for electric accumulators, especially for car starting batteries. : en es
  • GB531351A - Improvements in and relating to autographic registers : en
  • GB531435A - Improvements relating to the mounting of aerial masts on moving vehicles or machines : en
  • USD124344S - Design for a textile fabric : en
  • FR860033A - Improvements to telescope-type instruments : en fr
  • US2227023A - Interlaced line method : en
  • GB531330A - Improvements relating to the control of heating plants of space heating systems : en
  • US2226772A - Electric switch : en
  • US2226985A - Valve actuating mechanism : en
  • US2227155A - Directional radio system : en
  • US2227279A - Press : en
  • FR859901A - Improvement of crimped metal caps, in particular for condiment containers : en fr
  • ES146340A3 - Document filing and classifying mechanism. : en es
  • ES146262A1 - Machine for printing on flat and corrugated surfaces. : en es
  • GB531347A - Improvements in sheet metal hinges : en
  • ES146209A1 - A device to achieve different speeds of work in the presses of husillo. : en es
  • CH212890A - Process for the production of alloys containing beryllium. : de en
  • US2226557A - Antiwheel slide device : en
  • US2226975A - Rack for magazines and other articles : en
  • US2227167A - Dispenser for tablets : en
  • US2227264A - Compound packing : en
  • US2227331A - Agitator or mixer : en
  • US2226584A - Brake control device : en
  • DE700899C - Stiffening method for ship walls, especially tankers : de en
  • US2226615A - Automobile door bumper, silencer, and dust seal : en
  • ES146475A1 - Procedure for obtaining magnesium. : en es
  • GB531097A - Improvements relating to alternating current rectifier apparatus of the dry surface contact type : en
  • GB531384A - Improvement in girdle : en
  • US2226606A - Foldable bed : en
  • US2226610A - Strain relief for electrical appliance cord sets : en
  • ES146254A1 - Apparatus for filling ampoules or containers with liquids or dosed gases. : en es
  • CA393586A - Remedy for diabetes : en fr
  • CH212831A - Gas boiler with removable exhaust pipe. : de en
  • CH212907A - Internal combustion engine in light metal construction. : de en
  • FR859807A - Process for stabilizing motor fuels, oils, rubber and the like : en fr
  • CA393488A - Electric tube structure : en fr
  • US2226683A - Latch for railway car hatch covers : en
  • US2227378A - Packaging machine and method of packaging : en
  • GB531386A - Improvements in and relating to slabs or blocks of material, for example chocolate, intended to be broken along weakening lines : en
  • GB531262A - Improvements in and relating to electric circuits especially for reproduction of multi-coloured subjects : en
  • US2227401A - Television transmission arrangement : en
  • FR859998A - Transmission system with level adjustment : en fr
  • GB531069A - Improvements in and relating to dividing dough : en
  • GB531375A - Apparatus for presenting cylindrical beads or pellets successively in a predetermined attitude : en
  • ES146285A1 - Procedure for obtaining preparations of pancreatic hormone that reduces the proportion of sugar in the blood. : en es
  • FR860005A - Improvements to ramie stalk shelling machines : en fr
  • ES146272A1 - A tachometric meter. : en es
  • GB531231A - Improvements in or relating to shutter devices for optical sound-reproducing apparatus : en
  • GB531150A - Improvements in or relating to secret radio or like signalling systems : en
  • DE700688C - Control device for a converter used to couple two alternating current networks : de en
  • US2226740A - Return coupled electron discharge device circuit : en
  • GB531178A - Manufacture of new esters of the oxy-stilbene series : en
  • FR859818A - Hydraulic river press : en fr
  • GB531367A - An improved current core with a magnetic shunt for induction measuring apparatus : en
  • US2226790A - Metal framework for motor vehicles : en
  • USD124377S - Xcombined b brush and comb : en
  • ES146429A1 - A braking device for aircraft. : en es
  • US2226908A - Selective dispenser : en
  • GB531243A - Improvements in gelatino silver halide photographic elements : en
  • CH213008A - Cellular device to dampen the noise produced by the exhaust of gases leaving internal combustion engines. : en fr
  • DE700795C - Pit stamp : de en
  • DK58299C - Two-part power hook for windows. : da en
  • CA393538A - Slicing machine feed mechanism : en fr
  • ES146317A1 - An extra-fast procedure for the depletion of the low products of the sugar industry. : en es
  • FR859913A - Unalterable metal products for the building industry : en fr
  • ES146213A2 - IMPROVEMENTS MADE IN THE PURPOSE OF THE MAIN PATENT 139934 : en es
  • GB531153A - Improvements in or relating to the manufacture of measuring rules and tapes : en
  • US2226949A - Baton and handle : en
  • CH212979A - Relay test device on daylight signals. : de en
  • ES146304A1 - Procedure for the continuous purification of carbon sulphide. : en es
  • GB531320A - Improvements in or relating to safety razors : en
  • GB531407A - Improvements in or relating to apparatus for turning epaulettes and other flexible tubular articles : en
  • US2226956A - Shield for hair drying purposes : en
  • US2227055A - Fluid operated mechanism : en
  • CA393576A - Therapeutic composition : en fr
  • US2226587A - Disk harrow : en
  • US2227240A - Transmission mechanism for cameras : en
  • CA393511A - Electric hammer device : en fr
  • US2226546A - Transparent, elastic surgical bandage : en
  • GB531306A - Improvements in or relating to television receivers : en
  • GB531389A - Improvements in or relating to bullets : en
  • DE700952C - Groove cleaning device for pistons of internal combustion engines : de en
  • GB531271A - Improvements in or relating to grinding apparatus : en
  • CA393500A - Vapour-electric device : en fr
  • US2227153A - Reinforcement for concrete pipe and centrifugal mold for the same : en
  • USD124339S - Design for a textile fabric : en
  • CA393583A - Corrosion resistant ferrous alloy sheet : en fr
  • FR859974A - Canopy with a single line of wooden pillars and wooden frame : en fr
  • CA393431A - Slide fastener stop : en fr
  • CA393434A - Refrigerator : en fr
  • US2227393A - Lifting jack : en
  • US2227397A - Jack : en
  • CH212871A - Piano mechanics, especially for small pianos. : de en
  • DE700830C - Pay bag : de en
  • GB531340A - Improvements in mercury vapour electric discharge tubes with an external fluorescentcoating : en
  • GB531461A - Improvements in devices for the projection of films of different width in cinematograph apparatus : en
  • US2227316A - Electric power cable : en
  • US2226942A - Neutralized power amplifier : en
  • US2227150A - False desk top : en
  • USD124448S - Dinner dress ensemble or similar article : en
  • BE439919A - GLASSES GLASSES FOR HORSES : en fr
  • CH212960A - Device to facilitate the opening of a box. : en fr
  • CH212875A - Automatic firearm, especially handgun. : de en
  • CA393440A - Door latch : en fr
  • CA393463A - Dress shield making apparatus : en fr
  • DE700912C - Method of manufacturing cell bags for packaging rod-shaped goods : de en
  • PL29448B1 - : en pl
  • US2227377A - Process of manufacturing lubricating oils : en
  • PL29406B1 - Machine for producing fabrics with high thread density. : en pl
  • US2226808A - Method of and machine for applying tape : en
  • US2227101A - Method of preparing carbonated beverages : en
  • CA393436A - Window installation : en fr
  • CH212865A - Waterproofed paper container, especially for preserves, pastes, creams or liquids. : en fr
  • US2226813A - Hop picking machine : en
  • USD124321S - Design for a vanity case : en
  • US2226635A - Production of lower alkylamines : en
  • US2226736A - Advertising wrapper : en
  • US2227307A - Bearing structure : en
  • US2226979A - Ice cream making apparatus : en
  • USD124451S - Design for a dress : en
  • CA393460A - Door checking and holding device : en fr
  • US2226897A - Casting rod : en
  • US2227163A - Aqueous emoulsions of polymerization products and a process of preparaing them : en
  • ES146415A1 - A process for the manufacture of hollow metal bodies of thick walls as a cup by drilling a block inserted in a matrix. : en es
  • CA393474A - Print roll composition : en fr
  • CH212822A - Method and device for peeling seeds, in particular those from oil fruits. : de en
  • CH212921A - Process for solderless fastening of metal sleeves on cable ends. : de en
  • US2226690A - Plug and socket for coaxial lines : en
  • US2226989A - Conveyer chain structure for continuous flow conveyers or the like : en
  • GB531463A - Improvements in or relating to containers or bags made of flexible material : en
  • CH212909A - Control device for the fuel supply in internal combustion engines. : de en
  • ES146480A1 - Process for the melting of metals and their alloys, including iron and its alloys. : en es
  • FR859982A - Method of heating metal objects by induction : en fr
  • GB531166A - Improvements in or relating to furnace fronts : en
  • GB531387A - An improved appliance for picking up incendiary bombs and the like : en
  • BE439701A - : en
  • CA393503A - Electron tube crater cathode : en fr
  • GB531302A - Improvements in and relating to dovetailing attachments for use on spindle moulding machinery : en
  • DE700805C - Ultra-short wave two-way traffic system with relay stations : de en
  • CA393539A - Hoist controlling mechanism : en fr
  • CA393570A - Recording potentiometer : en fr
  • US2227258A - Fluid control device : en
  • FI18935A - The way to make dry casein watercolor : en fi
  • FR859932A - Method and device for extracting glycerin from residues of burners : en fr
  • CA393515A - Chromium steel : en fr
  • FR859822A - Device for playing, driving and controlling games of bridge with one or more people : en fr
  • CA393525A - Acid concentrating apparatus : en fr
  • CA393554A - Deflecting circuit : en fr
  • FR859878A - Device for protection against harmful telluric radiations and its applications in particular to installations using emissive products and to protection against lightning : en fr
  • GB531297A - Improvements in or relating to acoustic control means in association with the direction indicators of motor vehicles and the like : en
  • CH212917A - Gas turbine plant in which part of the working fluid is circulated while another part is removed from the cycle. : de en
  • US2226706A - Periodic wave-generating system : en
  • US2227206A - Automatic modulation control : en
  • PL29431B1 - A method of producing fibers from glass or the like, and an apparatus for carrying out the method. : en pl
  • US2227294A - Incandescent lamp : en
  • USD124325S - Design for a tire groover : en
  • GB531146A - Improvements in and relating to glazes and enamels : en
  • GB531391A - Improvements in and relating to valves for sensitive instruments : en
  • FR859874A - Flexible improvements : en fr
  • CH212834A - Equipment for wet treatment of dishes, etc. and processes for their manufacture. : de en
  • FR859965A - Folding beam : en fr
  • ES146380A1 - An electric incandescent lamp filled with gas. : en es
  • DE700893C - Holder for star threads on sewing machines u. like : de en
  • FR859837A - Improvements to insulating products and their manufacturing and application processes : en fr
  • CH212880A - Measuring device. : de en
  • DE695768C - Lubrication device on aircraft engines : de en
  • FI18938A - Heating device for sauna or other room : en fi
  • DE700875C - Cord drive for rotatable tuning means of high frequency devices : de en
  • GB531139A - Improvements in air heating and ventilating apparatus for motor vehicles, motor boats or other structures : en
  • GB531373A - Improvements in automatic control apparatus for polyphase regulating transformers : en
  • DE700771C - Return device for slides in hand-operated projection apparatus : de en
  • GB531277A - A new or improved method of forming a row of electrical contacts between opposite sides of a plate of glass : en
  • FR859983A - Fottinger type transmission for road and off-road vehicles : en fr
  • DK58294C - Piano mechanics, especially for Taste Pianos. : da en
  • FR859934A - Pyrotechnic charge signaling device : en fr
  • GB531078A - Manufacture of flocculose polymerisation products : en
  • ES146277A1 - Ship improvements. : en es
  • GB531245A - Improvements in or relating to motor-boats : en
  • ES146404A1 - A process for the solution and reprecipitation of copper in metallic form. : en es
  • FR859919A - Tent without pole : en fr
  • US2227213A - Bookbinding apparatus : en
  • GB531249A - Improvements in or relating to means for breaking down and/or dislodging rocky material : en
  • DE700823C - Liquid instantaneous water heater with a low-level liquid protection device : de en
  • US2226585A - Damming attachment : en
  • US2226534A - Vulcanization accelerator : en
  • USD124500S - Design for a dress : en
  • GB531458A - Improvements relating to printing cotton or the like : en
  • FR859940A - Button making refinements : en fr
  • USD124343S - Design for a textile fabric : en
  • US2227007A - Synchronization method : en
  • CH212844A - Darning piece for darning and reinforcing knitwear and fabrics. : de en
  • US2226697A - Motor starter : en
  • US2226749A - Bolster : en
  • US2226762A - Extension bit : en
  • USD124427S - Design for a side of a ckib or bassinet : en
  • FR859929A - Method of construction of a flame arrester : en fr
  • GB531343A - Improvements relating to hose and like reels : en
  • ES146362A1 - A procedure to obtain a product resulting from the union of vegetable or animal fibers and cement. : en es
  • SU58570A1 - A device for treating and painting oico rollers, etc. : en ru
  • USD124362S - Design for a textile fabric : en
  • USD124502S - Design fob a dress : en
  • ES146336A1 - Improvement in the assembly of fabric curtains, mechanical winding. : en es
  • GB531349A - Improvements in fuel injection nozzle devices for internal combustion engines : en
  • GB531190A - Electric impulse sending device : en
  • GB531427A - Improvements in or relating to resilient clamping plates for mounting filtering media for liquid filters : en
  • ES146349A1 - A procedure by which acids are removed from olive oils. : en es
  • PL29439B3 - A method of producing waterproof cellulose fibers. : en pl
  • US2226599A - Esters of glycol ethers and process for preparing them : en
  • DE700941C - Heat exchanger with circulating storage bodies : de en
  • GB531074A - Improvements in or relating to multiple spindle lathes and like machine tools : en
  • FR859957A - Deodorant and filtering chimney with vertical draft, particularly intended for closed and covered sewage treatment plants : en fr
  • FR859832A - Harpoon launcher more particularly intended for spearfishing : en fr
  • US2226567A - Fluorescent coating : en
  • US2227415A - Radio circuit for eliminating undesired interference : en
  • USD124401S - Design for a brooch or similar article : en
  • DE700546C - Range finder : de en
  • ES146489A1 - Process for the manufacture of liquid or gaseous synthetic products, obtainable from gaseous components. : en es
  • FR859855A - Improvements in the manufacture of slide closures : en fr
  • DE1496108U - : de en
  • GB531135A - Improvements in and relating to closures for bottles, cartons and the like : en
  • ES146378A1 - A procedure for the preparation of catalysts. : en es
  • FR859903A - Actuator device and its applications : en fr
  • GB531364A - Improvements in concrete and in the use of same : en
  • US2226721A - Means for balancing window sashes : en
  • DE700827C - Trip control device for motor vehicles : de en
  • US2226757A - Tire tool : en
  • USD124460S - Design for a dress : en
  • US2227067A - Concrete handling apparatus : en
  • US2226626A - Cracker dispenser : en
  • USD124432S - Design for a coat : en
  • US2226588A - Blank feeding mechanism : en
  • US2226811A - Airplane wing flap : en
  • ES146360A1 - A method for reinforcing metallic tubes by means of animal, vegetable or mineral fibers and a binder. : en es
  • US2226631A - Pile fabrics : en
  • US2226751A - Radio receiver tuning mechanism : en
  • US2226847A - Variable resistance device : en
  • US2226928A - Electrical transmission line : en
  • US2227120A - Electric valve circuit : en
  • USD124359S - Design for a textile fabric : en
  • USD124361S - Design fou a textile fabric : en
  • DE700954C - Pipe coupling with toggle lever : de en
  • FR859843A - Handle brush insert : en fr
  • DE700878C - Variable electrical resistance : de en
  • DE700766C - Storm protection for loading bridges or the like. : de en
  • ES146428A1 - A braking device for aircraft. : en es
  • FR860018A - Reflector : en fr
  • GB531286A - Improvements in and relating to dabbing brushes for woolcombing machines : en
  • GB531240A - Improvements relating to pumps for liquids : en
  • GB531378A - Improvements in and relating to cuff links : en
  • US2226977A - Thread and roving guide for spinning machines : en
  • US2226530A - Sodium antimonyl-catecholthiosalicylate : en
  • USD124340S - Design for a textile fabric : en
  • USD124461S - Fracchia dress : en
  • US2226761A - Pressure regulating, automatic cutoff valve for gas lines : en
  • FR860044A - Base plate for piston machines in boats and other vehicles : en fr
  • ES146241A1 - Improvements in the manufacture of washers. : en es
  • ES146210A1 - A portable device to provide audibility to the deaf. : en es
  • US2226718A - Method of landing airplanes : en
  • US2226846A - Variable resistor : en
  • DE700801C - Process for the preparation of condensation products : de en
  • ES146386A1 - Procedure for the conversion of liquid hydrocarbons into dry gas subject to high compression. : en es
  • GB531196A - Improvements in or relating to handles for implements such as knives : en
  • US2226562A - Production of liquid polymers : en
  • USD124399S - Design for a pin clip : en
  • CA393542A - Printing means : en fr
  • DE700850C - further ground blows : de en
  • DK58288C - Impulse transmitter with a magnetically controlled Mercury switch. : da en
  • US2227011A - Television scanning means : en
  • US2227159A - Electric heater : en
  • US2227329A - Automobile handy table : en
  • US2227347A - Whipstock : en
  • US2226859A - Scraper : en
  • CH212861A - Plastic material and process for its manufacture. : de en
  • CH212920A - Switchboard. : de en
  • US2226543A - Lubricating oil : en
  • US2227025A - Electron tube arrangement : en
  • ES146403A1 - Improvements in electric transmission systems. : en es
  • FR860026A - Sealing device for internal combustion engine with rotary valve distribution : en fr
  • GB531193A - Improvements in key mechanism for a matrix-composing and type line-casting machine : en
  • GB531164A - Improvements in or relating to speed control mechanism for the auxiliary drives of an internal combustion engine : en
  • US2226903A - Safety control : en
  • CH212827A - As a replacement for a door threshold and a device used for sealing purposes on doors. : de en
  • ES146289A1 - An apparatus to produce a mixed radiation, especially for the production of copies by contact and reflection. : en es
  • FR859858A - Improvements relating to a process and an apparatus for the production of gas used as fuel and lighting gas : en fr
  • GB531180A - Improvements relating to apparatus for depth measurement : en
  • USD124412S - Design for a tobacco pouch : en
  • USD124478S - Design for a dress : en
  • US2227248A - Game device : en
  • FR859956A - Improvements to plow cutters : en fr
  • GB531392A - An improved device for protecting alternating current apparatus against overload : en
  • DE700874C - Device for selective calling, especially for wireless signaling : de en
  • ES146264A1 - A new type of tube for toothpastes, creams and the like, and procedure for its manufacture. : en es
  • DE700687C - Arrangement for controlling a mercury vapor converter : de en
  • PL29420B1 - : en pl
  • DE700814C - Device for regulating the amount of useful fuel in combustion systems with several burners : de en
  • ES146372A1 - A transportable sprayer for liquids. : en es
  • FR859804A - Process for obtaining monoalkylolketones : en fr
  • DE700959C - Metal link conveyor belt : de en
  • USD124456S - Design fob a dress : en
  • ES146218A1 - A process for obtaining a preparatory product for mineral tanning with iron salts and other known tannages. : en es
  • ES146222A1 - An accumulator with interchangeable plate sets. : en es
  • ES146267A1 - A new gearbox for cars. : en es
  • FR859819A - Improvements to welding : en fr
  • FR859967A - Assembly process for steel parts and particularly special steels : en fr
  • ES146478A1 - A process for manufacturing an explosive mixture containing alkoyl esters of biphasic and tribasic acids. : en es
  • GB531154A - Improvements in and relating to chick rearers : en
  • ES146275A1 - Improvements in the wheels for vehicles. : en es
  • DE700641C - Process for the production of colored reserves under aniline black with sulfuric acid ester salts of leukokuepen dyes on cellulose fibers : de en
  • FR859955A - Depilatory product : en fr
  • US2226769A - Apparatus for moistening soles : en
  • US2227089A - Treatment of hydrocarbon oil : en
  • CH213003A - Process for the preparation of a substantive trisazo dye. : de en
  • USD124457S - Design for a dress : en
  • US2227381A - Electrical testing system : en
  • GB531204A - Improvements in radio direction finders : en
  • CH212939A - Rescue device for the occupants of a submersible. : en fr
  • US2226997A - Television transmitter : en
  • CA393549A - Glass sheet bending apparatus : en fr
  • US2226716A - Photoelectric cell : en
  • US2227334A - Magnesium alloys : en
  • US2226759A - Power vehicle : en
  • US2226622A - Lubricating system : en
  • US2226854A - Illuminated lock keyhole means : en
  • DE700818C - Casting mold for the production of dense blocks from aluminum or magnesium alloys : de en
  • PL29427B1 - Method for the production of phthalocyanine dyes. : en pl
  • CH212866A - Ring binder mechanism with ring parts extending from a bridge. : de en
  • US2227013A - Electron discharge device for television transmission and like purposes : en
  • GB531305A - Improvements in impulse senders of the type used in telephone systems : en
  • CA393571A - Windshield wiper mount : en fr
  • CH212832A - Device on a door to prevent unintentional slamming of the same. : de en
  • CH212889A - Process for the production of metallic magnesium from oxidic magnesium compounds by reduction with coal. : de en
  • CH212879A - Device for displaying the position of an aircraft in relation to intersecting guide surfaces in space, which are formed by radiation fields. : de en
  • GB531408A - Improvements in or relating to apparatus for detecting the presence of poisonous gases in the atmosphere : en
  • DE700871C - Circuit arrangement to prevent crosstalk in intercom loudspeaker systems with several main units : de en
  • FR860028A - Treatment of polymerizable compounds : en fr
  • USD124449S - Design for a combined powder : en
  • PL29443B1 - Karl Jung Maschinenfabrik, Berlin. The casing of machine tools for tools, especially grinders, slidably mounted on a pole. : en pl
  • US2226876A - Storm rim : en
  • USD124322S - Design fob an ash receiver or the like : en
  • ES146309A3 - Improvements in laminated wood planks. : en es
  • GR9391B - POCKET ELECTRIC LAMP (LAMP). : el en
  • CA393504A - Precipitator ozone control : en fr
  • DE699592C - abilization systems : de en
  • DE700822C - Coffee brewer : de en
  • PL29440B1 - A method of adding pigments or dyes to aqueous pre-calcification solutions. : en pl
  • US2227202A - Sheet turning mechanism : en
  • US2227247A - Engine : en
  • US2226972A - Pump valve : en
  • US2227200A - Abrasive product : en
  • CA393432A - Valve device : en fr
  • CA393592A - Watt-hour meter disc pivot : en fr
  • US2226824A - Window sash operator : en
  • DE700901C - hulls : de en
  • US2227376A - Electrical converter : en
  • CA393435A - Wrist watch bracelet clasp : en fr
  • ES146326A1 - A procedure for obtaining a product that is especially suitable for the nutrition of living organisms. : en es
  • ES146420A1 - A hinged davit for boats that works by gravity. : en es
  • GB531426A - Improvements relating to apparatus for testing water : en
  • FR860016A - Improvements in the manufacture of siliceous bodies : en fr
  • FR859992A - Telemetry method without delay, by means of a frequency proportional to the value of the quantity measured : en fr
  • FR860006A - Driving machine, in particular driving machine for airplanes composed of several engines : en fr
  • US2226710A - Folding table : en
  • CA393526A - Luminair : en fr
  • ES146332A1 - A manufacturing process for heat and sound insulating parts. : en es
  • US2227399A - Match pack : en
  • FR859930A - Improvements to heat generators and exchangers and to heating installations incorporating similar devices : en fr
  • US2226849A - Electrical connection means : en
  • US2227010A - Television scanning means : en
  • US2227072A - Electromechanical translating device : en
  • US2227148A - Shoe tree : en
  • ES146485A1 - Improvements in the devices for the automatic mooring of torpedoes and buoys. : en es
  • DE700775C - Safety catch for the firing pin or claw clutches of machines, such as presses, punching, shears, with eccentric or crank drive : de en
  • GB531188A - Improvements in and relating to control systems : en
  • GB531357A - Improvements in or relating to aircraft fusilages : en
  • US2226828A - Distilling system : en
  • CH212938A - Equipment box with freely portable, completely encapsulated oxygen breathing apparatus. : de en
  • GB531079A - Improvements in or relating to the filtering and straining of fluids : en
  • DE700837C - Fountain pen with a glass tube and a transparent protective sleeve surrounding it : de en
  • DE700890C - Method and device for producing rubber threads : de en
  • US2226898A - Shoe polishing kit : en
  • USD124404S - Design for a textile fabric : en
  • DE700925C - r and switching means that only allow a temporary contact closure in one direction of rotation : de en
  • ES146365A1 - Procedure and device for cleaning the spark plug spark plugs during the operation of these. : en es
  • DE700907C - Selection of carbonaceous compounds for positive electrodes of galvanic elements : de en
  • DK58286C - Track change mechanism for Tramway tracks. : da en
  • DE700889C - Method and device for producing rubber threads : de en
  • GB531326A - An improved dart flight holder : en
  • FR859994A - Process for the flotation treatment of ores, coals and the like, and apparatus for its implementation : en fr
  • US2226981A - Safety nondelay train order device : en
  • US2227028A - Synchronization method and means : en
  • GB531116A - Improvements in gas-tight seals whereby electric conductors pass into a vitreous envelope : en
  • FR859971A - Oil burner for heating oils and installation of this burner at the heating station : en fr
  • CH212965A - Direction display device on vehicles. : de en
  • US2227217A - Production of malleable iron : en
  • DE700754C - Arc welding transformer : de en
  • FR859849A - Improvements to the mechanisms for reading or analyzing statistics recording cards : en fr
  • GB531132A - Improvements in water tube boilers : en
  • GB531278A - A devices for supporting articles in galvanic baths and the like : en
  • GB531219A - Improvements in electric modulating arrangements comprising an electron multiplier : en
  • DE700769C - control organ or to control the automatic gain control in sound recording devices : de en
  • US2226645A - Manufacture of methacrylic acid and esters thereof : en
  • ES146269A1 - New procedure and manufacturing system for crushing stones and grain shredders. : en es
  • FR859945A - Enhancements to balanced suspension systems : en fr
  • GB531332A - Improvements in or relating to supporters for socks or stockings : en
  • DK58298C - Opening key for hermetically sealed tin cans. : da en
  • CA393563A - Halogenated organic compound production : en fr
  • CH213000A - Process for the preparation of a hexakisazo dye. : de en
  • GB531379A - Galvanic dry cell : en
  • US2227126A - Brush and manufacture thereof : en
  • CA393501A - Precipitron equipment : en fr
  • ES146325A1 - Apparatus for the cultivation of fungi. : en es
  • FR860024A - Axial blower : en fr
  • FR859887A - Apparatus for pressing the soles on the shoes : en fr
  • ES146418A1 - A davit for boats that works by gravity. : en es
  • US2227323A - Vent and liquid level indicating means for use with tanks : en
  • FR859801A - Aerial propeller : en fr
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  • GB531248A - Improvements in or relating to tuning devices for wireless receivers : en
  • GB531420A - Improvements in advertisement pillars : en
  • US2226634A - Painting device : en
  • FR859947A - Tilting valves with adjustable position, particularly applicable to filtration installations : en fr
  • CH212823A - Method and device for manufacturing flycatchers. : de en
  • FR859935A - Process for preparing water and carbonated drinks : en fr
  • GB531287A - Improvements in holders for maps and the like : en
  • US2226529A - Synthetic filament : en
  • US2227198A - Core-taking apparatus and method of exposing cores : en
  • GB531147A - Improvements in gyrators for washing machines : en
  • GB531260A - Improvements in and relating to the control of induced draught, gasfired steam boilers and hot water boilers : en
  • US2227029A - Elimination of the magnetic dispersion of transformers : en
  • US2227071A - Picture film viewing apparatus : en
  • CA393494A - Illuminated dial instrument : en fr
  • US2227081A - Metal cutting apparatus : en
  • US2227097A - Electron tube apparatus : en
  • US2226955A - Slagging furnace : en
  • US2227360A - Louver ventilator : en
  • USD124347S - Design for a textffie fabric : en
  • USD124407S - Design for an automobile headlight shield : en
  • CA393495A - Electric converting apparatus : en fr
  • US2226746A - Low-frequency amplifier : en
  • US2226877A - Piano action : en
  • US2227287A - Chromium metallurgy : en
  • CH212904A - Damper to reduce torsional vibrations. : de en
  • CH212946A - Device for switching over tuning means, in particular coils arranged in reel drums in heavy devices for wireless communication. : de en
  • CA393579A - Diamond tool manufacture : en fr
  • CH212858A - Process for purifying melamine. : de en
  • CH212989A - Process for the preparation of a hexakisazo dye. : de en
  • CA393564A - Well-logging electrode : en fr
  • CH212894A - Device for driving the tailstock shaft in bar turning machines. : en fr
  • DE700915C - Effects between vapors or gases and liquids : de en
  • US2226711A - Spark plug : en
  • USD124346S - Design foe a textile fabric : en
  • US2226646A - Safety inner tube for pneumatic tires : en
  • US2227306A - Flexibly mounted hanger : en
  • CH212998A - Process for the preparation of a hexakisazo dye. : de en
  • PL29424B1 - : en pl
  • US2226698A - Printing telegraph apparatus : en
  • US2227261A - Shock strut : en
  • CA393469A - Chicken roost : en fr
  • GB531143A - Improvements in fire-arms using separate propelling charges : en
  • DE700930C - high voltage machines : de en
  • CH212846A - Device for the production of zippers. : de en
  • CH212974A - Vehicle wheel with two removable rims. : de en
  • US2227051A - Braun tube : en
  • US2227090A - Crushing and grinding machine : en
  • US2227056A - Background reinserter : en
  • USD124309S - Design for a pair of goggles : en
  • USD124374S - Design for a textile fabkic : en
  • CH212853A - Meat grinder knife. : de en
  • CH212958A - Folder for storing tickets and the like. : de en
  • CH212911A - Device for adjusting the delivery rate of the individual pumps of a multi-cylinder injection system in internal combustion engines. : de en
  • CH212955A - Alternating character arrangement. : de en
  • US2227109A - Facsimile recording device : en
  • US2227115A - Door operating device : en
  • CA393476A - Clutch control mechanism : en fr
  • US2226675A - Azo dyestuffs and process of producing same : en
  • CH212957A - Backpack carrying frame. : de en
  • PL29434B1 - American Magnesium Metals Corporation, Pittsburgh, Pennsylvania. Electric shaft furnace, especially for direct resistance heating. Priority: January 10: : en pl
  • FR859814A - Extendable parachute : en fr
  • FR859920A - Machine for cutting watch glasses of the so-called unbreakable type : en fr
  • CA393552A - Cathode ray tube apparatus : en fr
  • CH212836A - Wall dowels made of thermoplastic material. : de en
  • CH212925A - Surge arrester. : en fr
  • US2227406A - Translucent dice : en
  • US2226581A - Carpet sweeper : en
  • USD124386S - Design for a container cap : en
  • USD124409S - Design for an ash receiver : en
  • USD124430S - Combined bottle breaker and cap remover : en
  • USD124464S - Design for a textile fabric : en
  • USD124370S - Design for a textile fabric : en
  • FR860027A - Insecticide preparation for agriculture, and its production process : en fr
  • CH212964A - Direction indicators on motor vehicles. : de en
  • USD124384S - Design fob, a bottle cap : en
  • US2227087A - Cathode ray tube : en
  • US2227373A - Blower : en
  • US2227326A - Joint of wood or the like : en
  • FR859803A - Device for starting and supplying low voltage to an electric discharge tube : en fr
  • FR859859A - Universal articulation device for railway vehicles mounted on bogies : en fr
  • ES146376A1 - Procedure for the stamping of textile products. : en es
  • GB531289A - Continuously-operating vertical retort for the production of synthesis gas : en
  • USD124482S - Design fok a textile fabric : en
  • GB531274A - Improvements in systems for modulation of radio frequency currents with carrier suppression : en
  • GB531308A - An improved carving stand : en
  • USD124353S - Design for a textile fabric : en
  • GB531089A - Improved means of securing tarpaulins on ships' hatches : en
  • FI18944A - Cheese marking method and cheese marking plate : en fi
  • FR860007A - Process of aromatization and dehydrogenation of hydrocarbons : en fr
  • CA393585A - Self-opening latch : en fr
  • US2226699A - Dry ice car : en
  • US2227364A - Cutter for vegetables : en
  • US2226766A - Apparatus for attaching binder strings : en
  • US2227221A - Ice cube remover : en
  • GB531206A - Improvements in or relating to the arrangement of the control means of rotary compressors having a crescent shaped working chamber : en
  • DE700945C - Process for removing dimensionally stable, high-grade materials from their dipping forms : de en
  • BE439747A - : en
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  • USD124313S - Combination blade for a kitchen knife or the like : en
  • FR859829A - Cowling or the like for overhead propellers : en fr
  • GB531199A - Improvements in and relating to a process and means for moulding pre-cast reinforced-concrete beams : en
  • US2226583A - Cutter guard for harvesters : en
  • US2226857A - Fender shield and fender shield mounting : en
  • GB531111A - Improvements in and relating to abrasive wheel dressers : en
  • CA393467A - Basting device : en fr
  • FR859853A - Process for purifying compositions containing insoluble earthy impurities : en fr
  • FR860020A - Process to avoid color haze in chromogenic development : en fr
  • DE700779C - Two-speed planetary gear : de en
  • DE700856C - Vertical edging frame, especially for continuous rolling mills : de en
  • DE700928C - Electrohydraulic brake release device : de en
  • USRE21680E - Motor vehicle power transmission : en
  • FR859892A - High flow, fast acting hydraulic control system : en fr
  • US2226968A - Basin for clarifying and cleansing dirty and drain waters : en
  • DE700787C - Locking and locking device for tilt windows or the like. : de en
  • FR859966A - Process for manufacturing a light and insulating slab for walls of all kinds and machine allowing the automatic and continuous implementation of this process : en fr
  • DE700882C - Process for the production of electric arc discharge lamps with electrodes heated by the discharge : de en
  • GB531456A - Improvements in containers for toilet paper and deodorants or disinfectants : en
  • DE700853C - : de en
  • ES146409A1 - A rolling device for sliding doors and the like. : en es
  • GB531160A - Improved thumb-keys for the boehm flute : en
  • DE700790C - Method for producing decorative cutouts or the like in shoe upper parts and stamping irons for carrying out the method : de en
  • DE700857C - Device for bringing about the gradual feed in pilger mills : de en
  • GB531073A - Portable photocopy apparatus : en
  • GB531316A - Improvements in cellulose derivate compositions, films, yarns, or the like containing organic ester amides : en
  • GB531300A - Circular rolling press for briquetting fine coal and the like : en
  • FR859879A - Fixer for towels and other objects : en fr
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  • ES146230A1 - PERCUTOR FOR THE IGNITION OF TORPEDOS, PROVIDED WITH SELF-GENERATING ELECTRIC ENERGY STATION : en es
  • US2226577A - Adjustable support for tractor implements : en
  • US2227084A - Cutting tool : en
  • US2227355A - Feeding apparatus : en
  • US2226900A - Combination carrying case and sound amplifier for stringed electrical instruments : en
  • USD124390S - Design for a pin : en
  • US2226889A - Counter molding machine : en
  • US2227177A - Method of sintering metal : en
  • US2226932A - Detector circuit : en
  • USD124389S - Design fok a glass bottle : en
  • US2227305A - Method of coating surfaces with fluorescent powder : en
  • CH212842A - Embroidery machine boat cover. : de en
  • ES146246A1 - A procedure for obtaining a gassed industrial product. : en es
  • GB531209A - Improvements in or relating to self-acting mules : en
  • US2226685A - Machine for packing matches : en
  • FR859900A - Process for the treatment of fermentable products to obtain manure : en fr
  • GB531402A - Improvements in and relating to prepayment meters for electricity : en
  • US2226725A - Manual telephone exchange : en
  • USD124380S - Flexible pocket receptacle : en
  • USD124485S - Design fok a dress : en
  • US2227184A - Clip brooch : en
  • GB531255A - Improvements in centrifuges for separating solids from liquids : en
  • GB531319A - Improvements in or relating to control apparatus for effecting sequential operation of power-operated devices : en
  • GB531399A - An air raid protection device for roof and side glazing : en
  • ES146355A1 - Improvements in dust vacuums. : en es
  • GR9382B - LIBERATION DEVICE FOR THE PARACHITE PACKAGING POCKET. : el en
  • FR860041A - Containers and their manufacturing process : en fr
  • GB531331A - Improvements in or relating to lens edging machines : en
  • CA393507A - Ethanol dehydration : en fr
  • CA393533A - Laminated elastic fabric garment and panel : en fr
  • ES146328A3 - A machine for grinding and polishing flat surfaces, especially mirror glass. : en es
  • GB531159A - Improvements in or relating to television signalling systems : en
  • GB531144A - Improvements in or relating to ring dies or roll passes for the reduction of metal articles of circular section : en
  • ES146278A1 - A process for the manufacture of hydrogen peroxide. : en es
  • US2227260A - Automatic control for high pressure pumps : en
  • USD124429S - Design fog a carriage hood : en
  • FR859883A - Automatic control device for electric ovens : en fr
  • FR859952A - Device for the ventilation of a submerged submersible : en fr
  • GB531224A - Improvements in or relating to processes of producing a vitamin e concentrate and antioxidant from wheat germ oil, and the products resulting therefrom : en
  • GB531374A - Improvements in and relating to electric motors : en
  • CA393443A - Locomotive tender : en fr
  • CH212873A - Self-propelled projectile and its launch tube. : en fr
  • ES146234A1 - A refrigerated piston for internal combustion engines. : en es
  • US2226864A - Transmission mechanism for starting motors : en
  • US2226720A - Reduction of undesired emissions of electronic discharge devices : en
  • US2226916A - Wire stitcher : en
  • DE700939C - Production of black Fe O pigments : de en
  • ES146286A1 - Installation for the elevation of gaseous or liquid media. : en es
  • ES146387A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 136708 : en es
  • FR859968A - Improvement of air compressors or other similar devices : en fr
  • US2226598A - Wire stitching machine : en
  • GB531071A - Improvements in air raid and like shelters : en
  • PL29456B1 - The method of producing dyes of the phthalocyanine series. : en pl
  • US2226793A - Tubular attachment wick : en
  • US2226915A - Illuminating means for fountains : en
  • US2227035A - Coupling circuit arrangement for ultra-short waves : en
  • GB531304A - Process and apparatus for applying revenue duty labels or the like to the narrow sides of packages by means of adhesive : en
  • GB531338A - Improvements in or relating to electric power cables : en
  • CH212863A - Process for chrome-plating objects made of aluminum and aluminum alloys. : de en
  • GB531455A - Improvements in and relating to apparatus for demonstrating electrical experiments : en
  • DE700765C - Process for obtaining the total pigment substances of the turmeric drugs and their salts : de en
  • FR860002A - Method for increasing the permeability of reinforcing or protective tapes of telecommunication cables : en fr
  • GB531138A - Improved cultivator blade : en
  • US2227195A - Oil burner : en
  • USD124414S - Design foe, a fragile article support : en
  • USD124486S - Design for a dress : en
  • GB531410A - Improvements in or relating to vending machines : en
  • GB531325A - Improvements in work tables : en
  • US2226602A - Automatic setting device for shutters and diaphragms of photographic apparatus : en
  • US2226867A - Composition for dull raised printing : en
  • GB531251A - Improvements in or relating to electrical converters, particularly converters operating at high frequencies : en
  • GB531344A - Improvements in building constructions : en
  • US2226802A - Hydraulic coupling for vehicles : en
  • US2226907A - Gas oven : en
  • GB531129A - Clutch operating mechanism : en
  • ES146398A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 140288 : en es
  • CA393546A - Therapeutic agent synthetizing process : en fr
  • US2226927A - Apparatus for testing cutting tools and the like : en
  • CA393446A - Ankle protector : en fr
  • PL29394B1 - A method of machine-making cigarettes uniformly filled with tobacco and an apparatus for carrying out the method. : en pl
  • US2227218A - Wrench : en
  • CA393486A - Aerial arrangement : en fr
  • ES146431A2 - A BRAKING DEVICE FOR AIRCRAFT : en es
  • GB531211A - Improvements in and relating to packages or cartons : en
  • US2226701A - Refractory article and wall : en
  • US2227229A - Trolley harp : en
  • US2227193A - Method of welding joints : en
  • US2226837A - Portfolio for stationery : en
  • US2226978A - System including rotary blades : en
  • USD124320S - Design fob a game board : en
  • USD124336S - Design for a textile fabric : en
  • USD124356S - Design for a combined handbag and vanity case : en
  • USD124497S - Design fob a dress : en
  • USD124428S - Kermer evaporating apparatus : en
  • US2227066A - Television and like systems : en
  • US2227216A - Means for determining toughness : en
  • DE700906C - Device for conveying sheet metal : de en
  • CH212840A - Recording mechanism for liquid dispensing device. : en fr
  • CH212929A - Device with discharge vessel, in particular electron tube. : de en
  • FR859958A - Portable electro-pump unit, especially for spraying corrosive liquids of all viscosities : en fr
  • GB531167A - Manufacture of benzenesulphonamido-derivatives : en
  • ES146294A1 - Discoloration procedure of black or dark sulfuric acid. : en es
  • GB531181A - Improvements in cigar-making and like machines : en
  • GB531334A - Improvements in and relating to folding and sliding doors : en
  • PL29435B1 - A device for harvesting crops. : en pl
  • US2226753A - Air conditioning for railway cars : en
  • GB531213A - Improvements in devices for protecting metal-drawing presses : en
  • US2227404A - Guard for horizontal shafts : en
  • US2227182A - Parking meter : en
  • USD124487S - Design for a dress : en
  • US2226535A - Kiln : en
  • US2227137A - Humidifying valve : en
  • US2227313A - Method of making seamless tubes : en
  • GB531072A - Improvements in and connected with illuminated signs : en
  • GR9388B - SPECIAL EYE WATCH PRODUCTS AGAINST THE SOUL, SNOW, AIR, SUN, EYE AND POWDER. : el en
  • ES146223A1 - Improvements in the manufacture of asymmetric conductivity devices. : en es
  • AU440640A - Electric devices containing gas-free films and process of forming such films : en
  • CA393534A - Gang switch : en fr
  • CH212877A - Gas filter with warning device when this filter is exhausted. : en fr
  • US2226984A - Accelerator of vulcanization : en
  • DK58297C - Streamlined Rear Motor Vehicle. : da en
  • DE700817C - Allocation and measuring device for molding sand in foundries : de en
  • GB531207A - An improvement to lawn mowers : en
  • ES146295A1 - A procedure for the purification of extracts that contain the hormone of the cortex of the adrenal gland. : en es
  • US2226994A - Amplitude filter : en
  • USD124498S - Design for a dress : en
  • US2226559A - Mechanical hammer : en
  • US2227241A - Pursuit toy : en
  • US2227095A - Discharge tube : en
  • US2226586A - Disk harrow : en
  • US2226833A - Bulletproof glass mounting unit : en
  • USD124357S - Design for a textile fabric : en
  • USD124349S - Design for a textile fabric : en
  • CA393510A - Hair brush : en fr
  • CH212919A - Process for the manufacture of electrical conduits, and electrical conduit obtained by the implementation of this process. : en fr
  • US2226958A - Apparatus for carbonating liquids : en
  • ES146255A1 - Closing and firing device for automatic firearms. : en es
  • GB531225A - Improvements in or relating to processes of producing vitamin emulsions and improved vitamin emulsions resulting therefrom : en
  • USD124480S - Design for a dress : en
  • GB531280A - Improvements in expansible fluid thermostats applicable also to other fluid-pressure-actuated devices : en
  • FR859877A - Mode of production of projection relief : en fr
  • US2226564A - Life preserver : en
  • GB531390A - Improvements in and relating to automatic pilots for aircraft : en
  • GB531369A - Improvements in means for use in operating change-speed gear, for use more especially on motor cycles : en
  • ES146371A1 - A process to perfect the spinning process in the manufacture of viscose-based artificial silk. : en es
  • ES146483A1 - Improvements in the recovery of sulfur dioxide. : en es
  • US2227175A - Fiber remixing machine and process : en
  • USD124371S - Design fob a textile fabric : en
  • US2227073A - Guy wire guard : en
  • US2227208A - Elastic bit breaker : en
  • US2227194A - Apparatus for welding : en
  • US2226767A - Amine-thiazyl disulphide reaction product : en
  • US2226901A - Dump truck gate closing device : en
  • US2226904A - Egg case filler : en
  • US2227140A - Qscillation restraint device : en
  • PL29395B1 - A method of processing raw cellulose. : en pl
  • US2227199A - Control apparatus : en
  • US2227296A - Surface treating drag : en
  • US2227372A - Tunable efficient resonant circuit and use thereof : en
  • US2227154A - Plasticized polyvinyl halide composition : en
  • US2227244A - Refrigerating apparatus : en
  • US2226835A - Mixed ureas : en
  • USD124368S - Design for a textile fabric : en
  • US2226933A - Shelf : en
  • ES146206A1 - Insurance device for stairs. : en es
  • ES146305A2 - A combustion chamber arranged in the piston for diesel engines. : en es
  • CH212878A - Bump to lock against tanks. : de en
  • CH212835A - Method and device for operating dish washing machines. : de en
  • USD124369S - Design for a textile fabric : en
  • US2227284A - Automobile engine starting device : en
  • CA393506A - Pulp article manufacture : en fr
  • CH212838A - Clamp for holding paper sheets, towels and the like. : de en
  • US2226834A - Range construction : en
  • CH212859A - Process for the production of paints. : de en
  • CA393530A - Alloy steel : en fr
  • CH212833A - Economy cooking equipment. : de en
  • CH212948A - Directional antenna. : de en
  • CA393468A - Speed regulator for automobiles : en fr
  • DE700858C - Entry roller table for the cooling beds of rolling mills : de en
  • US2226670A - Cabinet : en
  • US2226980A - Stamp issuing machine : en
  • US2227002A - Television transmission method : en
  • USD124474S - Design for a dress : en
  • CH212883A - Sliding wire bridge for electrical capacitance and loss angle measurement. : de en
  • DE700773C - Preparations for the protection of livestock against insects : de en
  • DE700870C - Process for the production of one-sided mosaic electrodes for storing image catcher tubes with cathode ray scanning : de en
  • DE700924C - Switching arrangement for stage lighting systems : de en
  • GB531239A - Improvements in or relating to electric discharge tubes : en
  • US2227384A - Electric frequency separator : en
  • USD124337S - Design for a textile fabric : en
  • CH212872A - Play mark. : en fr
  • CH212903A - Stationary bearing part for moving machine parts. : de en
  • CH212961A - Locking device on vacuum devices for flowing dry material. : de en
  • US2226593A - Pressure cooker : en
  • US2226990A - Deflecting device : en
  • USD124378S - Combined bottle and pedestal therefor : en
  • DE700947C - Device for determining the exposure time for photographic recordings : de en
  • US2227238A - Venetian blind : en
  • USD124467S - Design fob a dress : en
  • DE700848C - End section circuit for electric drives, in : de en
  • DE700860C - Process for the introduction of filling bodies into reaction rooms : de en
  • US2227076A - Circuit arrangement for electrostatic deflection of cathode rays : en
  • US2227267A - Carburetor : en
  • FR860032A - Shuttle for wire-cutting mechanism : en fr
  • FR859823A - Device allowing the light vision on screen of a road map or transparent or opaque geographical plan, on a very reduced scale, by analysis and enlargement of its various points and which can be adapted to all vehicles or be used for other applications : en fr
  • FR860038A - Door, especially for motor vehicles : en fr
  • FR859880A - Improvements to the assembly of fishing nets on a rigid support : en fr
  • US2227254A - Marking drill : en
  • GB531345A - Improvements relating to piston-rings : en
  • US2226650A - Crucible support : en
  • US2226653A - Electromagnetic oscillation apparatus : en
  • US2226728A - Transmission device : en
  • USD124367S - Design foe a textile fabric : en
  • CH212901A - Button composed of two parts with a fabric-covered top. : de en
  • CA393590A - Railway car seal : en fr
  • US2226852A - Flaring tool : en
  • CH212932A - Adjustable oil burner. : de en
  • US2226636A - Swing link : en
  • USD124363S - Design for a textile fabric : en
  • USD124413S - Shipping tray for fragile articles : en
  • US2226969A - Combination article : en
  • US2226976A - Visible data system : en
  • US2227091A - Inkstand : en
  • PL29396B1 - : en pl
  • US2226862A - Handcuff and chassis combination for police cars : en
  • US2227269A - Fire protection device for motion picture projectors : en
  • USD124419S - Design fob a belt buckle : en
  • CA393449A - Necktie lining : en fr
  • CA393550A - Fuel pump : en fr
  • CH212959A - Can filling and sealing machine. : de en
  • CA393433A - Anti-aircraft bombing device : en fr
  • CH212973A - Generator gas-powered motor vehicle. : de en
  • US2226594A - Aluminum alloy : en
  • US2226755A - Connecting link : en
  • FR859922A - Projectile : en fr
  • USD124392S - Design for a pin clip : en
  • PL29393B1 - I. G. Farbenindustrie Aktiengesellschaft, Frankfurt n. M. n ^ Current supply to heating elements located in the electric furnace and made of carbon, graphite or similar material. : en pl
  • US2226637A - Lifting device : en
  • USRE21681E - Selective telegraph system : en
  • CA393598A - Aluminate preparing process : en fr
  • FR860042A - Mordant dyes belonging to the dioxazine series and method of preparing these dyes : en fr
  • US2226812A - Plant protector : en
  • US2227328A - Signal device : en
  • GB531385A - Improvements in or relating to cooling towers or structures for cooling water and other liquids : en
  • US2226838A - Fuse construction : en
  • PL29405B1 - A method of removing sulfur, arsenic and other harmful admixtures from pig iron, steel or alloys containing iron. : en pl
  • US2226819A - Method of making adjustable joints : en
  • US2226855A - Method of treating used bags : en
  • USD124366S - Design for a textile fabric : en
  • US2226680A - Vacuum tube cathode support : en
  • GB531383A - An improved manufacture of saturated hydrocarbons : en
  • GB531462A - Improvements in blinds : en
  • USD124382S - Design for a flexible pocket receptacle : en
  • US2226629A - Pressure responsive rheostat : en
  • US2226785A - Speed-teller light switch : en
  • USD124422S - Design fob a dress : en
  • US2226652A - Crucible support : en
  • US2226798A - Heel building machine : en
  • FR859808A - Improvements made to regulator systems for pressurized fluid installations, in particular those for compressed air installations : en fr
  • GB531406A - Improvements in or relating to wireless receivers : en
  • USD124453S - Design for a dress : en
  • CH212972A - Device on vehicles with rear engine for cooling the engine by means of a fan. : de en
  • US2227409A - Well drilling apparatus : en
  • CA393475A - Beer dispensing device : en fr
  • PL29416B1 - ti * f4t <4f / 0Z Siemens & Halske Aktiengesellschaft, Berlin-Siemensstadt. A cable consisting of several twisted layers, especially a teletechnical cable or a coaxial high frequency cable. Patent dependent on claims 3 from Patent No. 28560. : en pl
  • CH212847A - Zipper link. : de en
  • US2226962A - Drawer for refrigerated locker system : en
  • US2227064A - Antifriction bearing : en
  • US2227343A - Fun provoking novelty : en
  • AU430740A - Improvements in cathodes of electric discharge devices : en
  • CA393478A - Electric capacitor : en fr
  • US2227410A - Machine tool : en
  • US2227188A - Tobacco pipe reamer : en
  • PL29449B1 - A method for producing ethylene series compounds from acetylene series compounds. : en pl
  • US2226983A - Clothes prop holder : en
  • US2226809A - Nuclear fluorinated vinyl aromatic hydrocarbons : en
  • US2227048A - Negative feedback amplifier : en
  • US2227341A - Package : en
  • DE700838C - Lid latch on machine gun housings : de en
  • FR859943A - Device for sharpening the rounded edges of grinding wheels, especially grinding wheels mounted on gear grinding machines : en fr
  • CH212867A - Visual file. : de en
  • US2226874A - Brake arrangement : en
  • US2226919A - gubelman : en
  • US2226939A - Watchcase : en
  • US2227108A - Signaling system : en
  • FR860000A - High-frequency winding device, to which is added for the variation of its inductivity, an excitation system with a direct field, magnetic, adjustable : en fr
  • FR859917A - Method and devices for ensuring the execution of waterproof and homogeneous metallic coatings using a metallizer gun : en fr
  • DE700962C - Prismatic grooving chisel for rock and similar materials : de en
  • US2226851A - Charging mechanism : en
  • US2226971A - Motion picture camera : en
  • US2226657A - Ultra short wave radio receiver : en
  • US2226770A - Gib : en
  • USD124415S - Design for a brooch ob similar : en
  • US2226539A - Gas pump : en
  • CA393566A - Combined radiant and convection superheater : en fr
  • CA393561A - High molecular weight polymer production : en fr
  • US2227145A - Welding conveyer : en
  • DE700880C - Pole support for electric generators : de en
  • DE700953C - Protective cover made of multi-layer fabrics : de en
  • US2227139A - Plastic process for making printing plates : en
  • CA393556A - Textile fibre drawing mechanism : en fr
  • US2227130A - Wringer mechanism : en
  • US2227273A - Transmission control : en
  • US2227278A - Lubricant distributing device : en
  • USD124345S - Design for a textile fabric : en
  • USD124501S - Design for a dress : en
  • US2227070A - Projection system : en
  • ES146449A3 - Improvements in firearms. : en es
  • USRE21679E - Flywheel magneto assembly for in : en
  • CA393544A - Pipe or tube joint : en fr
  • US2227122A - Fluid pump : en
  • US2227259A - Automatic projector machine : en
  • FR859909A - Product to obtain sealing of leaks in fuel tanks : en fr
  • FR859964A - Improvements to parachute equipment : en fr
  • US2226886A - Reglet : en
  • BE439684A - Spraying device for production for the production of coatings : en fr
  • US2227077A - Automatic control mechanism : en
  • SU58622A1 - Speed limiter cage and mine hoist : en ru
  • US2226883A - Composition of matter : en
  • PL29451B1 - : en pl
  • FR859852A - Table console for machine tools, especially for milling machines : en fr
  • ES146315A1 - A dryer to dry peppers, skins, fruits, vegetables, etc. : en es
  • ES146459A1 - Improved means to establish a cable connection or its analogue between aircraft on flights. : en es
  • ES146473A1 - Process and device for the manufacture of caps intended particularly for canning cans, having a lacerating thread between an outer lid ring and an inner lid plate. : en es
  • US2227250A - Device for operating automobile horns : en
  • PL29430B1 - : en pl
  • US2226561A - Electron discharge device utilizing negative transconductance : en
  • US2227043A - Stage curtain rigging : en
  • CH212923A - Control switch for electrical heating devices such as heating pads and the like. : de en
  • CH212997A - Process for the preparation of a hexakisazo dye. : de en
  • US2226619A - Bottle filler valve : en
  • US2226848A - Printing process and ink therefor : en
  • US2227324A - Filament joint for electric lamps : en
  • CA393482A - Demountable electric discharge apparatus : en fr
  • US2226566A - Moistening device for tapes, labels, envelopes, and the like : en
  • US2226719A - Electric switch : en
  • US2226553A - Sheeted cellulosic material and abrasive article and process of making the same : en
  • US2227327A - Material presser for sewing machines : en
  • US2227016A - Television cathode ray tube : en
  • US2227350A - Electric switch : en
  • US2226569A - Dual accelerator control for automotive vehicles : en
  • US2226589A - Metal coating and adhesive therefor : en
  • USD124481S - Design for a textile fabric : en
  • US2227325A - Stencil : en
  • CA393562A - Condensing agent recovery : en fr
  • US2227038A - Coupling circuit arrangement for television arrangements : en
  • US2226632A - Device for making pile fabrics : en
  • US2226946A - Method of and apparatus for handling milk : en
  • US2227298A - Vacuum cleaner : en
  • PL29457B1 - Process for the production of acyl derivatives of azo dyes. : en pl
  • US2227099A - Method for settling and filtering sewage liquors : en
  • CH212851A - Grain preparer and dryer with vacuum treatment. : de en
  • CH213004A - Process for the preparation of a water-insoluble azo dye. : de en
  • CA393599A - Halogen replacing process in cyclic compounds : en fr
  • CH212953A - TV receiver with a Braunschem tube screen. : de en
  • DE700913C - hischer halogen silver gelatine layers : de en
  • ES146464A1 - A process for the production of straw cellulose by dissolution in calcium hydroxide. : en es
  • GB531202A - Improvements in or relating to bowden mechanism : en
  • US2226591A - Combination throttle and clutch control : en
  • US2227160A - Electric switch : en
  • FR859973A - Device for the photomechanical transfer of patterns on the cylinders used to obtain printing cylinders : en fr
  • ES146291A1 - A device for the insertion of the web into the loom weaving machines of continuous feeding. : en es
  • FR859987A - Improvement of metal containers, and process for their manufacture : en fr
  • GB531131A - Improvements in or relating to turning lathes : en
  • CH212949A - Neutralized high frequency stage. : de en
  • US2226844A - Egg cooker : en
  • DE700840C - Process for vacuum-tight brazing of ceramic materials with one another or of ceramic materials and metal : de en
  • DE700935C - Protection and contact device for an electrode feed in metal electrical discharge tubes : de en
  • US2226925A - Stove : en
  • US2227286A - Liquid fuel burner : en
  • US2226656A - Motor vehicle : en
  • US2226560A - Interlocking roofing tile : en
  • US2227149A - Lubricating oil for diesel engines : en
  • US2227068A - Electrical musical instrument : en
  • US2227309A - Control apparatus : en
  • GB531228A - Air- and gas-tight wall and lead-through for electric wiring systems, particularly in high altitude aircraft : en
  • CH212931A - Process for the manufacture of capacitors. : de en
  • US2226970A - Hydraulic jack for refrigerators and the like : en
  • US2227408A - Fluid seal : en
  • DE700755C - Device for regulating the current of a medium or high frequency welding generator with the help of an adjustable choke coil : de en
  • ES146202A1 - PROCEDURE FOR DIVING UNDERWATER LAYERS OF SAND OR MUD : en es
  • ES146384A1 - A new polyvalent filtering mask, especially suitable for the protection of the civil population against aggressive chemicals and toxic industrial aeriforms. : en es
  • DE700929C - Electric machine : de en
  • DE700950C - Two-stroke internal combustion engine : de en
  • GB531294A - Improvements in coin-operated mechanism : en
  • GB531403A - Improvements in and relating to hacksaw frames : en
  • FR859830A - Needle enhancements for knitting machines : en fr
  • GB531087A - Improvements in or relating to cutter chains for mining machines : en
  • GB531105A - Improvements relating to the manufacture of hydrogenation catalysts : en
  • FR859898A - Improvements to aerial shooting benches : en fr
  • US2227061A - Method for the preparation of terpene esters : en
  • USD124372S - Design foe a textile fabric : en
  • US2227256A - Kindler : en
  • USD124352S - Design for a textile fabric : en
  • USD124462S - Design for a dress ensemble : en
  • CA393473A - Magnetic relay : en fr
  • GB531241A - Improvements in or relating to variable pitch airscrews : en
  • ES146396A1 - An axial steam turbine, action or reaction, with mobile distributor. : en es
  • CH212916A - Ignition device for internal combustion engines. : de en
  • ES146253A1 - A process for manufacturing liquids for printing sprays. : en es
  • GB531341A - Improvements in and relating to packing sheets for fragile articles : en
  • GB531355A - Improvements in and relating to protective means for elastic fluid turbines : en
  • ES146331A1 - An improved control mechanism for bicycles and the like. : en es
  • GB531317A - Improvements in and relating to photographic films : en
  • US2226549A - Magnesium alloy : en
  • US2226724A - Mine car bumper : en
  • FR859838A - Device for adjusting the flow rate of several fuel pumps connected to each other, especially injection pumps : en fr
  • GB531233A - Improvements in and relating to oxidation of low molecular weight hydrocarbons in liquid phase : en
  • USD124302S - Design for a stove : en
  • PL29417B1 - A method for producing curly synthetic fibers and an apparatus for carrying out the method. : en pl
  • ES146203A1 - Procedure to obtain a soap substitute. : en es
  • GB531291A - Improvements in and relating to attaching means for carrying handles : en
  • ES146392A3 - PROCEDURE FOR THE MANUFACTURE OF ARTICLES OF PLASTIC MATERIALS : en es
  • GB531452A - Improvements in or relating to steam generator furnaces : en
  • ES146245A1 - A process for obtaining an antiseptic chemical product derived from calcium. : en es
  • GB531171A - Improvements in or relating to power transmission gear : en
  • GB531266A - Improvements in or relating to electric condensers and methods of making same : en
  • GB531275A - Improvements in or relating to brakes for cycles : en
  • FI18936A - Flytande bränsle för förbränningsmotorer : en fi
  • FR859871A - Lens holder for protective masks, and similar applications : en fr
  • US2226662A - Brake mechanism : en
  • US2227312A - Method of manufacturing an impregnated product : en
  • CA393483A - Electrical control device : en fr
  • FR860050A - Conveyor mechanism applicable in particular to devices for loading fuel into retorts : en fr
  • GR9390B - PACKAGING OF BISCUITS PRODUCTS IN CELL SHEETS OR CLOTH PAPER. : el en
  • DE700927C - Process for the production of a plug head consisting of a through B. glass : de en
  • ES146382A1 - Talking machines designed to play a plurality of recordings successively. : en es
  • GB531091A - Improvements in or relating to pipe joints : en
  • FR859989A - Tuning of combustion engines, especially for airplanes : en fr
  • IE16215L - Hydrogen peroxide : en
  • GB531447A - Improvements in or relating to film-winding and storing means for cinematograph and sound-film apparatus : en
  • FR859915A - Control device for lump breakers of sorters and other shaking devices : en fr
  • GB531415A - Improvements in and relating to anti-friction bearings : en
  • FR859860A - Improvements to steel alloys : en fr
  • ES146276A1 - A process for the preparation of aliphatic ether-oxides and suitable apparatus or installations for this preparation. : en es
  • GB531314A - Improvements in splicers, splicing ears and anchor tips for grooved electric trolley wire : en
  • GB531416A - An improved system for controlling radio receivers : en
  • US2226872A - Bowling ball returnway : en
  • US2227127A - Pump : en
  • ES146432A2 - A BRAKING DEVICE FOR AIRCRAFT : en es
  • FR859805A - Device for heating and drying organic and inorganic substances, particularly with a view to chemical treatments : en fr
  • ES146413A1 - A process for the manufacture of cellulose flours. : en es
  • FR859844A - Stacking of stator sheets : en fr
  • GB531218A - Improvements in deterioration retarders : en
  • FR859850A - Refrigerator appliances : en fr
  • GB531360A - Improvements in or relating to sulphur-containing condensation products : en
  • GB531327A - Improvements in or relating to apparatus for feeding cut tobacco : en
  • DE700768C - Process for the production of synthetic resins : de en
  • FR860031A - Process for withdrawing liquids under pressure and improvements made to withdrawal devices with a view to the application of this process : en fr
  • GB531388A - Improvements in or relating to control or regulating devices such, for example, as automatic pilots for craft : en
  • ES146333A1 - A cold accumulator produced by dry ice. : en es
  • ES146375A1 - A process for the preparation of derivatives of the series of pyridine, quinoline and isoquinoline. : en es
  • FR859827A - Impermeable container and method for its manufacture : en fr
  • US2227362A - Calendar clock : en
  • CH212870A - Film developing reel, in particular for daylight developing boxes. : de en
  • ES146454A1 - Improvements in firearms. : en es
  • FR860025A - Bra or brassiere improvements : en fr
  • USD124411S - Design for an ash tray : en
  • US2226973A - Card instruction game board : en
  • US2227054A - Film projector for television : en
  • US2227398A - Wrapping material measuring device : en
  • ES146453A1 - A safety device against the backing of explosive gas mixtures in gas pipes and against subsequent explosions. : en es
  • GB531263A - Improvements in or relating to conveyor systems : en
  • DE700788C - Pencil sharpener in which the pencil is sharpened by passing a knife : de en
  • BE439716A - HIGH RESISTANCE BONDING PROCESS TO RUBBER AND SYNTHETIC RUBBER TO RIGID SIDES. : en fr
  • GB531441A - Centrifugal mixing machine for dough and the like : en
  • ES146417A1 - Apparatus for the production of pure steam using the calories of another vapor containing foreign substances. : en es
  • US2226671A - Control mechanism : en
  • DE700764C - Short path high vacuum distillation process : de en
  • DE700796C - Method and device for extinguishing and crushing liquid petroleum coke o. : de en
  • US2227394A - Lifting jack : en
  • US2227255A - Method and device for treating a molten metallic material : en
  • US2227104A - Disposable dust receptacle for brush type carpet sweepers : en
  • DK58301C - Carpet fabric. : da en
  • DE700895C - System for generating images, characters, or the like : de en
  • US2226605A - Pneumatic cushion : en
  • BE439727A - Installation of solid fuel gasifier, more particularly for motor vehicles : en fr
  • CA393497A - Gas electrostatic precipitator : en fr
  • US2226957A - Sheet feeding apparatus : en
  • US2227082A - Phosphate glass : en
  • US2227180A - Reversible automobile seat cover : en
  • CA393543A - Grate bar : en fr
  • ES146217A1 - A process to obtain a tanning product based on iron salts, for the preparation of leathers and skins to the iron tanning. : en es
  • FR859826A - Improvements to high power anodes, particularly intended for lamps without artificial cooling : en fr
  • FR859894A - Control device : en fr
  • US2226743A - Method of and apparatus for treating water : en
  • USD124364S - Design for a textile fabric : en
  • US2226913A - Process for the formation of colored decorations and of printing on enamel and glazes : en
  • ES146343A1 - A continuous process for the integral use of vulcanized rubber waste. : en es
  • USD124319S - Design for a vanity case : en
  • FR859810A - Heat protection device for cinematographic projectors : en fr
  • GB531433A - Improvements in pipe couplings : en
  • GB531293A - Device for obscuring lamps for purposes of precaution against air raids : en
  • FR859840A - Motor vehicle chassis : en fr
  • US2227000A - Television transmitter : en
  • FR859906A - Coil ignition distributor for internal combustion engines : en fr
  • GB531284A - Improvements in guards for fast and loose pulleys and the straps by which they are driven : en
  • ES146452A2 - IMPROVEMENTS MADE IN PATENT NUMBER 146450 : en es
  • USD124425S - Be sign for a lace collar or similar article : en
  • US2226896A - Power lawn mower : en
  • DE700868C - Pressure telegraph system with synchronously working teleprinters : de en
  • US2226576A - Method of making sodium hyposulphite : en
  • GB531382A - Improvements in and relating to carrier wave transmission systems : en
  • ES146481A1 - Procedure for obtaining aluminates. : en es
  • FR859936A - Method and treatment of brushes and resulting articles : en fr
  • CA393441A - Cargo loading and trimming device : en fr
  • US2227270A - Tonsillotome : en
  • GB531411A - Improvements in or relating to aircraft : en
  • DE700810C - Device for introducing and removing the heating elements from electrically heated roasting and oven inserts : de en
  • US2226777A - Means for fastening machine elements on a shaft : en
  • US2226944A - Method of bonding dissimilar metals : en
  • US2227185A - Notching machine : en
  • USD124483S - Design for a dress : en
  • US2226617A - Refrigerator : en
  • PL29433B1 - Method of obtaining lead from pyrite burnouts. : en pl
  • FR860035A - Improvements to braking systems : en fr
  • FR859905A - Methods and means for the automatic control of transmission characteristics : en fr
  • GR9386B - INSTALLATION OF ENGINE MECHANISM INSIDE AIRCRAFT FLIGHT. : el en
  • AU115467B2 - Electric devices containing gas-free films and process of forming such films : en
  • ES146353A1 - Perfection and preparations for the production of azo dyes on fiber. : en es
  • CH212849A - Waterproof headgear. : de en
  • US2226888A - Printing machine : en
  • US2226774A - Relasting machine : en
  • GB531429A - Improvements in or relating to electric fuzes : en
  • FR860046A - Advanced propeller : en fr
  • GB531244A - Improvements in electrical starting systems for internal combustion engines : en
  • FR859848A - Improved indicating or control device sensitive to the speed of pressure variations : en fr
  • FR859944A - Special tip : en fr
  • FR860029A - Automobile with rear engine and cooling fan : en fr
  • ES146310A3 - Apparatus for the continuous wet separation of the heaviest components from the lighter ones, in granular, powdery or muddy mixtures of different kinds. : en es
  • DE700777C - Infinitely variable transmission : de en
  • GB531082A - Explosive powder and manufacture thereof : en
  • ES146242A1 - A procedure, with the corresponding apparatus, for debarking logs, especially frond trees. : en es
  • GB531192A - Improvements in or relating to the manufacture of reinforced concrete : en
  • FR859970A - Elastic suspension system for bicycles : en fr
  • FR859902A - Process for the preparation of butadiene : en fr
  • GB531101A - Means for launching or releasing aerial mines or the like : en
  • CH212936A - Inhaler. : de en
  • CH212924A - Device for precise setting and maintenance of the desired operating speed for Leonard drives. : de en
  • CH212882A - Electromotive device. : en fr
  • GB531124A - Improvements in tubular rivets : en
  • ES146329A1 - Improvements related to safety nuts. : en es
  • ES146351A1 - Improvements in the method of configuring tubes. : en es
  • US2226836A - Interference-reducing system : en
  • USD124375S - Pillowcase or similar article : en
  • USD124332S - Design for a finger : en
  • FR859891A - Safety control for cylinders or the like in hydraulic control systems with emergency line : en fr
  • GB531162A - Improvements in and relating to lathes : en
  • GB531229A - Method and apparatus for testing piston rings : en
  • GB531356A - Improvements in or relating to the manufacture of artificial resins : en
  • FR859907A - Ignition corrector for internal combustion engines : en fr
  • USD124326S - Design for a tire groover : en
  • CH212828A - Scaffolding. : en fr
  • DE700751C - Process for the production of iron powder for mass cores : de en
  • FR859846A - Engine fuels : en fr
  • DE686862C - Potato peeling machine with two rotatable, hemispherical hollow bodies : de en
  • DE700883C - Mirror light for horizontally arranged gas discharge lamps : de en
  • ES146339A1 - A process for the production of opaque, almost white and colorable layers on aluminum or aluminum alloy objects. : en es
  • GB531423A - Improvements in mechanical couplings for the control of adjustable apparatus : en
  • FR860030A - Aerodynamic profile automobile : en fr
  • ES146379A1 - Perfections regarding mechanisms for the stretching of textile wicks. : en es
  • US2226950A - Flower holder : en
  • DK58292C - Electric Cigarette Lighter. : da en
  • PL29436B1 - Telephone apparatus comprising a switchboard and subscriber sets attached thereto, and a telephone set for such apparatus. : en pl
  • ES146395A1 - An extra-sensitive percussion fuze for various projectiles. : en es
  • US2226791A - Separator means for filing systems : en
  • US2227251A - Chimney for liquid fuel burners : en
  • GB531186A - Improved hose connection : en
  • GB531296A - Improvements in plants for storing oils and other liquids in underground cavities : en
  • US2226826A - Quick detachable coupling : en
  • DE700785C - Cylindrical grinding machine : de en
  • GB531397A - Purifying lubricant circulated through machinery : en
  • CA393521A - Wire tying machine : en fr
  • FR860045A - Method and apparatus for the production of filaments of thermoplastic materials : en fr
  • DE700862C - Process for the preparation of 3-amino-1,5-naphthyridine : de en
  • GB531099A - Improvements in or relating to telescopic shock absorbers : en
  • GB531377A - Improvements in and relating to cuff links : en
  • US2226745A - Radio frame and the like : en
  • US2227181A - Parking meter : en
  • US2227413A - Television transmission : en
  • USD124324S - Design for a camera view finder : en
  • US2226676A - Agricultural implement : en
  • USD124452S - Design for a dress : en
  • US2226611A - Automobile heater : en
  • DE700844C - Aniline rubber printing machine : de en
  • DE700897C - Spreading flap with adjustable auxiliary shelf : de en
  • US2227249A - Portable seam welder : en
  • GB531247A - High frequency electron tubes and a method of reducing grid loss therein : en
  • GB531431A - Two-stroke internal combustion engine : en
  • US2227414A - Television transmission device : en
  • US2226643A - Method of producing cinematograph films : en
  • US2227281A - Tap : en
  • DE700514C - Lining of furnaces and ovens made of refractory bricks with intermediate layers of metal sheet : de en
  • DE700815C - Kystoscopic stone crusher : de en
  • ES146296A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 146288 : en es
  • US2226669A - Time fuse : en
  • US2227075A - Saw-tooth current generator : en
  • GB531158A - Process for the manufacture of barrel staves : en
  • US2226737A - Door lift mechanism : en
  • US2226788A - Compound expansion internal combustion engine : en
  • US2227171A - Machine for sealing containers : en
  • US2227302A - Vacuum cleaner : en
  • DE700938C - Getter arrangement for vacuum vessels with metal walls : de en
  • CH212977A - Low frame cycle. : en fr
  • DE700896C - : de en
  • FR859889A - Improvements in methods and devices for generating sawtooth voltages or currents, in particular for television installations : en fr
  • GB531350A - Improvements in and relating to devices for testing water pressure particularly the water pressure supply to water heaters : en
  • US2227299A - Vacuum cleaner : en
  • GB531134A - Method of and apparatus for electrically measuring the wall thickness of metal tubing and for controlling the wall thickness : en
  • US2227304A - Fluid seal assembly : en
  • DE700793C - Impact tool : de en
  • DE700791C - Method and device for producing a grate charge from raw cement sludge : de en
  • GB531372A - Improvements in and relating to electric junction boxes : en
  • DE700828C - Burner for pyrophoric lighters : de en
  • CA393450A - Garment tubular element pressing apparatus : en fr
  • CH212969A - Device for driving oscillating half axles on vehicles. : de en
  • US2227123A - Electric connection and the like : en
  • CH212992A - Process for the preparation of a hexakisazo dye. : de en
  • USD124476S - Design for a cress : en
  • US2227389A - Nipple for nursing bottles : en
  • US2226572A - Adjustable implement support : en
  • BE439730A - : en
  • DE700762C - Process for the production of colored threads, films, ribbons, artificial horsehair or similar structures made of cellulose esters or ethers : de en
  • US2226712A - Shock absorbing steering fork for cycles : en
  • US2227047A - Apparatus for cleaning castings : en
  • US2227242A - Decoy : en
  • US2226648A - Periodic wave generator : en
  • CA393464A - Dress shield : en fr
  • US2226548A - Catalyst regeneration : en
  • US2226679A - Wall panel attaching and anchoring device : en
  • CA393518A - Glass filament producing apparatus : en fr
  • CA393536A - Electric fuse : en fr
  • CH212896A - Headstock housing with bearing sleeve for rotating spindles of machine tools, in particular of drilling machines, the bearing sleeve being guided in the headstock housing so as to be longitudinally displaceable. : de en
  • US2226822A - Variable inductance mechanism : en
  • CH212829A - Rail joint. : de en
  • GB531272A - Improvements in and relating to electrical coils : en
  • CH212922A - Switch with arc extinguishing by a flowing extinguishing agent. : de en
  • PL29397B1 - Ludwik Mtihlig, Bielsko. Screw for fixing the rails. : en pl
  • US2226537A - Gas lift apparatus : en
  • US2226765A - Pack of business forms and method of making the same : en
  • US2226892A - Turbine pump : en
  • US2227050A - Television transmitting or receiving system : en
  • US2227209A - Gyrating rotary bit : en
  • USD124323S - Design fob a badge : en
  • CA393498A - Centrifugal governor : en fr
  • CH212933A - Oil burner. : de en
  • US2227300A - Vehicle spring : en
  • CH212884A - Gramophone record. : de en
  • FR859951A - Method and device for deceiving the enemy : en fr
  • US2226823A - Cellulose ether composition : en
  • CH212996A - Process for the preparation of a hexakisazo dye. : de en
  • US2226959A - Telephone : en
  • US2227144A - Lifting means for automobile hoods : en
  • DE700836C - Device for opening and holding hinged windows : de en
  • DE700894C - Device for inserting the neck into box bases : de en
  • CA393559A - Asphalt emulsion : en fr
  • US2226575A - Damming attachment : en
  • US2226639A - Color photography : en
  • US2226744A - Thermoresponsive fuse : en
  • USD124441S - Cummings textile fabric : en
  • CA393529A - Motor control system : en fr
  • CH212910A - Device for extracting air from a working cylinder of an internal combustion engine, in particular a diesel engine, and for transferring it to a compressed air system. : de en
  • US2227228A - Method of building walls and floors : en
  • US2226604A - Glove : en
  • US2226654A - Cleaning device : en
  • USD124499S - Design fok a dress : en
  • CA393438A - Mosaic design production : en fr
  • CA393512A - Chrome steel alloy and valve : en fr
  • USD124306S - Design for a textile floor covering or similar article : en
  • USD124472S - Design for a dress ensemble : en
  • US2226687A - Unidirectional v-type antenna system : en
  • US2227231A - Tractor hitch : en
  • CH212980A - Regenerative braking circuit for rail vehicles. : de en
  • FR859978A - Regulator for gaseous fuels : en fr
  • CH212978A - Spring support between the car body of a rail vehicle and the bogie. : de en
  • CA393524A - Ventilating fan : en fr
  • PL29445B3 - : en pl
  • PL29446B1 - Method for the production of viscose from scrap of artificial silk thread. : en pl
  • US2226613A - Heater : en
  • US2226988A - Electric detonator : en
  • CA393572A - Wiper blade mounting : en fr
  • US2226704A - Brake beam and head therefor : en
  • US2226982A - Knitting shuttle : en
  • US2227103A - Electron multiplier : en
  • US2226542A - Manufacture of pens or pen points : en
  • US2226830A - Process for the manufacture of : en
  • US2226895A - Rebound device : en
  • US2227356A - Method of and means for changing the speed of electric motors for various purposes : en
  • US2227100A - Musical instrument : en
  • ES146487A1 - Turbine mobile wheel with several crowns cooled by liquids. : en es
  • CA393481A - Rubber insulating composition : en fr
  • GB531083A - Improvements in or relating to the collection and insertion into envelopes of pluralities of sheets, pamphlets, or the like : en
  • CH208052A - Multi-speed centrifugal starter motor. : de en
  • PL29438B1 - The method of processing corn straw. : en pl
  • ES146231A3 - Lock system for extendable suitcases. : en es
  • FR859885A - Improvements relating to jewelery stones : en fr
  • CA393496A - Flexible remote control coupling : en fr
  • CA393484A - Fused salt electrolysis cell : en fr
  • CA393547A - Male sex hormone sterol : en fr
  • CH212994A - Process for the preparation of a hexakisazo dye. : de en
  • CA393489A - Combination starting electrode : en fr
  • CA393517A - Warm air furnace : en fr
  • US2226726A - Educational appliance for aircraft navigation : en
  • US2227121A - Printing telegraph system : en
  • PL29391B1 - A method of automatic weighing of portions with the same weight of materials of different species. : en pl
  • US2226612A - Automobile heater : en
  • DE700833C - Suction roll or suction press roll for paper machines : de en
  • US2226829A - Lever operated tufting machine : en
  • CH212902A - Head screw secured to a workpiece by a spring wire fuse. : de en
  • CH212951A - Electric messaging device with push button setting. : de en
  • ES146488A1 - Procedure for the preparation of new benzolesulfamide derivatives. : en es
  • US2226715A - Rectifier device : en
  • US2226910A - Support for rotary kilns and the like : en
  • USD124381S - Design for a flexible pocket receptacle : en
  • US2226931A - Typewriting machine : en
  • US2227074A - Audible signal : en
  • US2227285A - Welding controller : en
  • US2226717A - Combined folding step, platform, and skirt arrangement : en
  • DE700816C - Device for the storage and guidance of dental instruments and tools, in particular for dental treatment : de en
  • FR859938A - Further training in weighing instruments : en fr
  • PL29399B1 - Mannesmannrohren - Werke, Dusseldorf. jJ-J- ^ ^ "// iPO High pressure vessel. : en pl
  • PL29401B1 - A device for closing an open hearth furnace combined with an electric furnace. : en pl
  • US2226556A - Implement hitch : en
  • US2226974A - Sedimentation apparatus : en
  • US2227190A - Machine for treating and sealing filled containers : en
  • USD124330S - Design fok a handbag or similar article : en
  • ES146397A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 136708 : en es
  • FR859910A - Finishing machine for stereotypical semi-cylindrical clichés : en fr
  • FR860023A - Friction brake improvements : en fr
  • US2227357A - Production of fiber glass : en
  • USD124442S - Design for a dress ensemble : en
  • US2226902A - Damping means for indicating instruments : en
  • PL29400B1 - Telefonaktiebolaget L. M. Ericsson, Stockholm. Two-hand selector for automatic telephone devices. : en pl
  • USD124426S - Design for a desk or the like : en
  • ES146214A1 - Procedure for the preparation of a multiple action medicament product for the care of vegetables. : en es
  • FR859997A - Clutch device, in particular for changing the speed of motor cars : en fr
  • US2226778A - Microscopic slide holder : en
  • US2226540A - Floor block : en
  • US2227037A - Testing generator for image reproducing systems : en
  • GB531075A - Improvements relating to the combustion spaces of compression-ignition engines : en
  • DE700956C - Roll film camera : de en
  • ES146215A1 - A process for drying and coloring the wood used for the manufacture of wooden cutlery and other similar tools. : en es
  • GB531253A - Improvements in or relating to counting mechanism for keyboards for preparing tape for control of type setting apparatus : en
  • GR9384B - WASTE COLLECTION CART. : el en
  • DK58287C - Television receiver with cathode ray tube. : da en
  • DE700839C - Automatic firearm with pneumatic brake : de en
  • FR860009A - Improvement in pumps, in particular fuel injection pumps for internal combustion engines : en fr
  • USD124351S - Game device for an amusement machine cabinet : en
  • USD124379S - Design for a flexible pocket receptacle : en
  • USD124385S - Design fob a container, cap : en
  • USD124440S - Cabinet for phonograph remote control unit : en
  • CA393462A - Door opening device : en fr
  • DE700876C - Four-stroke control switch for parallel, individual and series connection of heating resistors : de en
  • DK58285C - Packing device for heat exchange devices. : da en
  • DE700872C - Circuit arrangement for relay interrupter in telecommunication systems, especially telephone systems : de en
  • GB531185A - Improvements in electric lamps : en
  • USD124438S - Lace collar or similar article : en
  • US2227272A - Paint spray booth : en
  • FR859864A - Aerodynamic automobile cart : en fr
  • US2227403A - Verge plates and method for making same : en
  • ES146451A1 - A procedure to harden files. : en es
  • FR860010A - Device for controlling an object, for example a directing surface, in air or sea vehicles : en fr
  • ES146408A1 - A suspension device for sliding doors. : en es
  • GB531362A - Improvements in automatic repeating firearms : en
  • US2226921A - Piston ring : en
  • FR859893A - Cleaning utensil for cookware and other applications : en fr
  • CH212874A - Bullet for firearms with a conical barrel on the inside. : de en
  • ES146225A3 - Contact device in electric mine lamps. : en es
  • DE700802C - scientists from chlorobenzene and its homologues : de en
  • ES146460A1 - Process for obtaining anhydrous magnesium chloride from magnesium chloride lyes or high magnesium chloride hydrates. : en es
  • FR859980A - Multi-stage gear or friction wheel transmission mechanism : en fr
  • FR859981A - Instrument for indicating the position of a vehicle, in particular an aerial vehicle, in relation to a two-dimensional coordinate system : en fr
  • GB531222A - Improvements in brakes : en
  • GB531380A - Improvements in methods of applying overlays to ferrous metal bases and in welding rods suitable for use therein : en
  • US2227308A - Method of molding metal powders : en
  • USD124310S - Design for a carpet : en
  • USD124393S - Design won an exhaust pipe extension : en
  • FR859941A - Projectile intended to combat vehicles, boats, etc., protected by armor plates : en fr
  • GB531174A - Improvements relating to firelighters : en
  • GB531396A - Improvements in contact members for electric switch gear : en
  • FR860017A - Rear engine automobile : en fr
  • US2226667A - Lading strap anchor : en
  • US2226937A - Clothesline chock : en
  • USD124466S - Design fob a dress : en
  • CA393505A - Electrostatic precipitator : en fr
  • DE700892C - Wing for carrying out flow measurements : de en
  • DE700946C - Process for the production of vinyl resin coatings on smooth surfaces, especially metal surfaces : de en
  • GB531236A - Improvements in, or relating to, cycle saddles : en
  • FR859812A - Improvements to gas burners and cooking appliances : en fr
  • FR859831A - Radio device : en fr
  • GB531335A - Improvements in and relating to wary knitted fabrics provided with rubber warp threads froming meshes in spots : en
  • US2226840A - Trim panel assembly : en
  • USD124477S - Design for a dress : en
  • US2227078A - Heterodyne receiver for ultrashort waves : en
  • CH212952A - Process for the stereoscopic or color reproduction of television pictures. : de en
  • CA393555A - Rail clamping mechanism : en fr
  • DE700752C - Electric welding electrode with a stainless steel core : de en
  • FR859834A - Process for the preparation of d1-acetyl-alpha-tocopherol : en fr
  • US2227128A - Chemical composition : en
  • US2227203A - Manufacture of soap : en
  • USD124406S - Design fok a stocking oe similar article : en
  • USD124494S - Design fob a dress : en
  • US2226533A - Level control valve : en
  • GR9387B - BUILDING PIECE FOR PLANES. : el en
  • IT384585B - : it
  • GB531235A - Improvements in and relating to electrical contacts : en
  • DE700877C - Device for remote control and remote monitoring : de en
  • FR859841A - Motor vehicle bearing : en fr
  • DE700933C - Transformer with coils isolated by a molten glass flux : de en
  • FR859899A - Crampon to renovate the wheels of agricultural machinery : en fr
  • ES146406A1 - Method of vaporization of metals, metal alloys, metal compounds and similar substances difficult to vaporize. : en es
  • US2227215A - Alkylene ethers of thioammeline : en
  • US2227290A - Clip : en
  • US2227297A - Automatic line shut-off : en
  • US2227001A - Regulation of television receivers : en
  • US2227268A - Piezoelectric apparatus : en
  • CH212899A - Device for the continuous drying of material webs. : de en
  • US2226547A - Semithreadless drill stem : en
  • US2227118A - Control system : en
  • USD124423S - Le roy a. wilkinson lavatory with water heater : en
  • US2226727A - Radio receiver : en
  • US2226801A - Hydraulic gear of the fottinger type : en
  • US2226869A - Terminal receptacle : en
  • DE700758C - ffe : de en
  • GB531451A - Improvements in or relating to magneto electric supply systems : en
  • DE700820C - Transformation furniture from a chest with hinged walls and a lounger provided in it : de en
  • USD124318S - Design for a vanity case : en
  • FR859921A - Further training in machines for filling bottles, flasks or other containers : en fr
  • GB531393A - Improvements in and relating to monocyclic networks for transforming between constant voltage and constant current in alternating current circuits : en
  • GB531232A - Improvements in rotary fluid pressure devices : en
  • FR859835A - Device for medicinal applications : en fr
  • GB531295A - Improvements in lighting control in dependence upon projected images : en
  • USD124435S - Lace collar or similar article : en
  • FI18942A - Sät vid framställning av surfoder : en fi
  • US2226839A - Hatch cover : en
  • US2226893A - Mechanical walking animal : en
  • US2227265A - Hydraulic molding press : en
  • FR859842A - Process for the impregnation of milk drinks with carbonic acid from the backpressure withdrawal into retail containers : en fr
  • GB531128A - Crankshaft lapping machine : en
  • FR859928A - Improved rind and ripening of cheeses and resulting products : en fr
  • DE700931C - Multiphase high frequency generator : de en
  • DE700772C - Pest repellants : de en
  • DE700760C - Front seal for rotatable regenerative heat exchanger : de en
  • FR859863A - Winch plow : en fr
  • DE700854C - Handle arrangement on devices with swinging and beating forces : de en
  • DE700949C - Root irrigation device : de en
  • US2227335A - Magnesium alloys : en
  • US2227346A - Bottle feed latch : en
  • GB531430A - Apparatus for supplying an engine from a gas-producer applicable to explosion engines employing combustible liquids : en
  • ES146212A1 - Improvements in thermostats. : en es
  • DE700849C - Self-seller with a device for returning coins that have already been inserted : de en
  • CA393453A - Fluid pressure press : en fr
  • US2226963A - Blade ejector magazine : en
  • US2227303A - Alarm and control mechanism : en
  • FR859948A - Process for obtaining acoustic coatings, walls and constructions provided with these coatings : en fr
  • US2226659A - Shake-out rack : en
  • US2226884A - Fabricated cultivator sweep : en
  • US2226688A - Wave transmission system : en
  • US2226773A - Bookholder : en
  • USD124410S - Combined wall ash tray and support therefor : en
  • PL29459B1 - : en pl
  • US2227371A - Gyroscopic apparatus : en
  • CA393430A - Slide fastener stop : en fr
  • CH212991A - Process for the preparation of a hexakisazo dye. : de en
  • US2226789A - Lifter : en
  • US2226882A - Drafting machine : en
  • US2227282A - Controlling device : en
  • USD124317S - Design for a jelly tumbler : en
  • PL29455B1 - HLCP 3 6HlCP 3 6HlCP 3 6 : en pl
  • US2226658A - Method for scanning images : en
  • USD124329S - Design for an ironing table : en
  • USD124454S - Design for a dress : en
  • CA393575A - Railway traffic controlling apparatus : en fr
  • CA393582A - Radio binaural program system : en fr
  • BE439708A - Process for the preparation of polymerization and condensation products, of the superpolyamide type : en fr
  • CH212928A - Device for the treatment of goods by means of mechanical oscillating movements. : de en
  • US2226764A - Refrigerator car construction : en
  • US2227388A - Washstand : en
  • PL29429B1 - : en pl
  • US2227322A - Audible signaling device for use with tanks : en
  • US2227367A - Manufacture and production of artificial filaments from viscose : en
  • CH212987A - Process for the preparation of a halogen-substituted acylaminosulfonic acid. : de en
  • USD124395S - Design for a pin clip : en
  • US2226816A - Heating apparatus : en
  • US2227337A - Control mechanism for elevator cars : en
  • US2227368A - Illuminating adapter for instruments : en
  • FR860022A - Compression refrigeration machine, with oil collecting chamber in the crank case : en fr
  • DE700753C - Process for the production of welding electrodes : de en
  • GB531115A - Improvements in and relating to the heating of evaporation vessels : en
  • GB531339A - Machine for electrically heated metal bars and tubes : en
  • US2226938A - Method of coating wire : en
  • ES146463A1 - Perfection improvements in percussion fuzes, especially those for small caliber howitzers. : en es
  • FR859806A - Method and device for obtaining a uniform temperature of the materials to be ground during grinding in the cylinder cages : en fr
  • GB531126A - Improvements in or relating to metal boxes and to the manufacture of the same : en
  • GB531169A - Improvements in or relating to floors emboding reinforced concrete beams : en
  • FR859933A - Oil burner and all other heavy hydrocarbons : en fr
  • GB531212A - Control mechanism for change-speed gearing : en
  • USD124311S - Stuffed eoll or similar article : en
  • USRE21682E - Apparatus for separating and clean : en
  • US2226945A - Amplifier and oscillator valve or tube : en
  • CH212943A - Heterodyne receiver with spread spectrum. : de en
  • PL29415B1 - : en pl
  • US2226875A - Trackside dump mechanism for toy railroads : en
  • US2227210A - Drill bit with nontracking rollers : en
  • FR860019A - Method for producing color photographic images : en fr
  • DE700908C - Switching device operated by an alarm clock : de en
  • USD124455S - Design fob a dress : en
  • ES146364A1 - A system and apparatus for reducing to a coarse yarn, by stretching, a veil especially of glass threads. : en es
  • US2226954A - Apparatus for regulating the density of solutions : en
  • US2227152A - Display rack : en
  • ES146358A3 - Improvements in the manufacture of heating radiators. : en es
  • DE700936C - Magnetic field tubes with end plates arranged on the sides of the anode cylinder : de en
  • US2226760A - Power transmission device : en
  • US2227243A - Irregular contour grinding machine : en
  • US2227293A - Hot water heater : en
  • US2226707A - Smoker's pipe : en
  • US2226792A - Wick : en
  • DE700776C - Shaft coupling : de en
  • DE700942C - Process for the separation of weak gaseous acids from gases : de en
  • ES146486A1 - A process for making sugar and new molasses from saccharine plants. : en es
  • GB531170A - Improvements in or relating to the cooling of stern tube bearings for boats : en
  • US2226603A - Fastener : en
  • US2226986A - Blower for annealing furnaces and the like : en
  • USD124492S - Design for a dkess : en
  • ES146334A1 - A method of manufacturing dry ice by compressing and freezing carbon dioxide. : en es
  • CA393457A - Rock drill : en fr
  • GB531227A - Improvements in grating and cutting machines : en
  • CH212893A - Process for manufacturing multimetallic sheets, device for carrying out this process, and sheet produced according to this process. : en fr
  • US2226865A - Minimum pressure relay : en
  • CH212852A - Mixing device. : de en
  • GB531252A - Improvements in or relating to motion transmitting mechanism for gauging devices : en
  • FR859824A - Crankshaft composed or constituted by the assembly of several elements : en fr
  • GB531405A - Improvements in or relating to wireless receivers : en
  • GB531117A - Improvements in heavy alloys : en
  • ES146442A2 - IMPROVEMENTS MADE IN THE SCOPE OF MAIN PATENT NUMBER 140130 : en es
  • US2227102A - Paints, printing inks, and the like : en
  • US2227133A - Escapement : en
  • CA393587A - Yarn winding machinery : en fr
  • GB531119A - Improvements relating to the joining of metal tubes by forging : en
  • GB531358A - A process for the production of highly active silver catalysts : en
  • GR9380B - SOLODERA AND SIMILAR NAILING MACHINE AND SPECIAL NAILS FOR THIS. : el en
  • DE700885C - Process for roasting bast fibers : de en
  • FR859959A - Installation for the neutralization and removal of used acids from industrial workshops : en fr
  • GB531359A - A process for concentrating solutions of capillary-active substances : en
  • FR860037A - Propeller-fan hub cover : en fr
  • GB531093A - Starch hydrolysis : en
  • GB531395A - Improvements in tubular heat exchange apparatus : en
  • FR859833A - Machine intended to operate on master cards and detail cards : en fr
  • FR859866A - Improvements made to assemblies such as internal combustion engines, comprising a regulator : en fr
  • FR859954A - Tide valve : en fr
  • US2226630A - Cleaning device : en
  • USD124358S - Textile fabric : en
  • SE100563C1 - : en sv
  • US2226681A - Metallic car door : en
  • US2226894A - Fender shield : en
  • GB531436A - Improvements in and relating to the purification of mercury in connection with plant in which mercury is used : en
  • FR859861A - Device for the graphic preparatory work of shooting : en fr
  • PL29437B3 - : en pl
  • US2226730A - Telephone system : en
  • US2226850A - Electric switch : en
  • FR859946A - Cultivation process and products obtained : en fr
  • FR860048A - Basin for unwinding cocoon fibers : en fr
  • GB531130A - Improvements in and relating to convertible furniture : en
  • GB531354A - Improvements in jig conveyors and actuating mechanism therefor : en
  • GB531418A - Improvements in the control of ion-exchange plants : en
  • ES146273A1 - A stratified mixing motor. : en es
  • US2226678A - Welded truck bolster : en
  • US2227111A - Ball bearing screw jack : en
  • USD124315S - Design for a christmas tree ornament : en
  • US2226633A - Bar painter : en
  • US2226694A - Neutralization circuit for short wave transmitters : en
  • US2227292A - Lubricating device : en
  • CA393437A - Piston expander : en fr
  • ES146293A1 - A rail joint device that aims to reduce the noise and jolts of rail vehicles. : en es
  • GB531417A - Improvements in and relating to folding and sliding doors, partitions and windows : en
  • US2227012A - Synchronizing signal generation system : en
  • DK58293C - Sowing seed. : da en
  • CH212855A - Method and device for forming filter cake. : de en
  • US2226797A - Refrigeration : en
  • US2227212A - Laminated material and method of manufacture : en
  • CA393458A - Walking cane : en fr
  • CH212942A - Circuit for the automatic dynamic control of a low frequency amplifier. : de en
  • US2227363A - Fuel briquette and method of making same : en
  • USD124333S - Design for a press : en
  • CH212963A - Chassis side members made of tubes. : de en
  • PL29428B1 - Method for the production of heterocyclic aldehydes. : en pl
  • US2226672A - Insecticide : en
  • US2227129A - Heat engine : en
  • US2226664A - Fruit handling and treating machine : en
  • US2226967A - Production of stainless steels : en
  • FR859836A - Improvements to thermostatic switches : en fr
  • ES146383A1 - A filtering device for self-salvation, when the carrier is suddenly involved in a toxic atmosphere. : en es
  • GB531421A - Improvements in or relating to variable inductance devices : en
  • CH212825A - Method of manufacturing hollow ceilings. : de en
  • CA393499A - Vibration measuring apparatus : en fr
  • CH212941A - Device for automatic distribution of objects. : en it
  • CH213007A - Ski with anti-slip device. : en fr
  • US2227003A - Cathode ray tube : en
  • US2227106A - Cothespin : en
  • US2226596A - Power plant : en
  • US2226700A - Electric motor : en
  • US2226831A - Process for the manufacture of : en
  • US2226856A - Electrically operated control device : en
  • US2227301A - Vehicle brake rigging device : en
  • USD124493S - Design fob a dress : en
  • US2227219A - Resinous composition and method of making the same : en
  • US2227333A - Resilient flexible coupling : en
  • DE700806C - Activation device for wireless communications equipment : de en
  • US2226754A - Machine for operating upon stitchdown shoes : en
  • US2226887A - Flexible drive tension means : en
  • US2226961A - Filter-unit forming machine : en
  • US2226595A - Power plant : en
  • US2226668A - Automatic watering device : en
  • US2227172A - Cover for sealing liquid surfaces : en
  • US2226609A - Massage apparatus : en
  • US2226814A - Toothbrush handle : en
  • US2227018A - Photoelectric storage device : en
  • US2227196A - Drink vender structure : en
  • US2226739A - Electric wave filter for thermionic valve amplifiers : en
  • CA393491A - Motion picture film feeding means : en fr
  • CH212913A - Carburetor for crude oil, petroleum etc. : de en
  • CH213001A - Process for the preparation of an azo dye. : de en
  • CA393480A - X-ray tube : en fr
  • CH212937A - Respiratory protection filter. : de en
  • US2226571A - Vibration neutralizer : en
  • US2227223A - Process of making urea-formaldehyde resin : en
  • US2226614A - Hacksaw : en
  • USD124473S - Design foe a ribbon : en
  • PL29408B1 - Method of deoxidizing a steel bath. : en pl
  • DE700812C - Filling shaft furnace or furnace, each with a special combustion chamber for the solid fuel and the carbonization gases emerging from it : de en
  • FR859916A - Self-centering chuck : en fr
  • CA393535A - Electric fuse : en fr
  • CH212857A - Process for the extraction of copper hydroxide from the acidic waste liquid in the manufacture of rayon in the copper oxide ammonia process. : de en
  • CA393545A - Sterol derivative : en fr
  • ES146201A1 - DEVICE FOR DIVING IN UNDERWATER LAYERS OF SAND OR MUD : en es
  • GB531216A - Improvements relating to electric signalling systems : en
  • ES146297A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 145127 : en es
  • PL29454B1 - A method of transferring entries in the form of lists to separate account cards and a device for performing this method. : en pl
  • FR859926A - Improvement in the propulsion of ships by synchronous polyphase electric motors : en fr
  • GB531121A - Improvements in cooling means for refrigerated storage cabinets : en
  • US2227022A - Voltage-controlled electron multiplier : en
  • US2227059A - Terpene-cyanoacyl compound and methods of producing same : en
  • US2227065A - Heat erosion resistant alloy : en
  • US2226601A - Protector : en
  • US2226930A - Blind landing device : en
  • DE700891C - Self-indicating scales with extension of the weighing range : de en
  • ES146327A1 - A hydration process for olefins. : en es
  • DE700792C - Clock with facilities for reading the time by touch, especially for the blind : de en
  • CH212826A - Construction element, such as beam, pillar, pylon, slab, wall, partition, and method of establishing this element. : en fr
  • US2226917A - Safety control : en
  • US2226999A - Television receiver : en
  • US2226722A - Manifold set : en
  • CH212984A - Device for spinning and twisting synthetic threads. : de en
  • GB531173A - Improvements in or relating to the construction of high-speed motor-boats and like vessels : en
  • US2227169A - Alternator mechanism : en
  • CA393557A - Unsaturated halide processing : en fr
  • CA393493A - Electric motor system : en fr
  • PL29413B1 - Alexandre Zuberbiihler, Lausanne. A furnace for heating domestic appliances with double solid fuel combustion. : en pl
  • US2227224A - Bottoming machine : en
  • CH212995A - Process for the preparation of a hexakisazo dye. : de en
  • USD124350S - Design for a textile fabric : en
  • GB531265A - Improvements in traversing devices for use on winding cables : en
  • US2226992A - Picture receiving system : en
  • US2227383A - Carton : en
  • US2226758A - Shoemaking means : en
  • US2226878A - Transmission mechanism : en
  • USD124335S - Design for a textile fabric : en
  • USD124348S - Design for a textile fabric : en
  • US2226544A - Engine starter gearing : en
  • US2226775A - Last : en
  • US2227042A - Electron discharge device : en
  • US2226920A - Unitary pot press : en
  • US2226696A - Electron discharge device : en
  • US2227116A - Universal joint and propeller shaft assembly : en
  • US2227382A - Board for use in playing a game of darts : en
  • GB531133A - Improvements in fluid pressure control systems for the injection nozzles of compression ignition engines : en
  • GB531156A - Improvements relating to overload protective electric switches or cut-outs : en
  • GB531208A - Manufacture of basic esters : en
  • GB531264A - Improvements relating to knife-edge bearings : en
  • US2226545A - Pressure liquid operated device : en
  • US2226616A - Electric lighting device for the drill head of a dental drill : en
  • US2227006A - Scanning device : en
  • CH212986A - Process for the preparation of a halogen-substituted acylaminosulfonic acid. : de en
  • PL29450B1 - A method of producing two-phase photographic images : en pl
  • US2226771A - Age resisting rubber composition : en
  • FR859942A - Recording process on flexible film, film, disc, and any platinum material, by softening the material : en fr
  • US2226600A - Machine for testing tenderness of peas : en
  • US2226911A - Tilting raft : en
  • FR859897A - Forging hammer operated by compressed air at very high pressure : en fr
  • FR860003A - Photographic copying device : en fr
  • US2227053A - Magnetic coil for deviating cathode rays : en
  • ES146357A3 - Improvements in filing and classifying mechanisms. : en es
  • US2226555A - Control mechanism for quotation projecting and similar apparatus : en
  • US2226684A - Spectacle holder : en
  • GB531200A - Improvements in or relating to electron discharge devices : en
  • US2227057A - Radio receiver : en
  • USD124484S - Design for a dress : en
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  • FR859811A - Improvements to containers for receiving and storing liquids : en fr
  • CA393593A - Vacuum brake system : en fr
  • DE700780C - Organ pipe made of aluminum : de en
  • ES146240A3 - An animated toy, susceptible to various movements. : en es
  • FR859856A - Transmission system with level adjustment by control current : en fr
  • DE700943C - Rain cover : de en
  • GB531214A - Improvements in clutches : en
  • FI18943A - Status of infection and infection of the genome and the genome : en fi
  • DE700918C - Manufacture of titanium dioxide : de en
  • CH212906A - Injection engine with antechamber. : de en
  • GB531175A - Improvements in locks, latches and the like : en
  • DE700846C - Substance-laden washing liquid : de en
  • FR859914A - Electrically powered photographic and cinematographic camera : en fr
  • US2226922A - Regenerator furnace : en
  • US2226947A - Well drilling apparatus : en
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  • ES146361A3 - A process for the preparation of solid powdered rennet with application to the coagulation of milk in the cheese and derivatives manufacturing industry. : en es
  • US2226940A - Connecting rod structure : en
  • US2226708A - Nail guide for X-ray fracture table : en
  • US2227093A - Electron discharge device : en
  • GB531201A - Improvements in or relating to tools for recessing the ends of electric cables preparatory to sealing : en
  • GB531258A - Improvements in lawn mowers : en
  • US2227235A - Fountain brush : en
  • US2227275A - Tubular article : en
  • GB531283A - Improvements in the oxidation of cellulose : en
  • US2227257A - Refrigerating apparatus : en
  • US2227380A - Routine testing circuit : en
  • US2227411A - Automatic toy-train control : en
  • USD124360S - Design fob a textile fabric : en
  • DE699838C - Time remote switch, especially for stairwell lighting : de en
  • US2226948A - Method of rolling : en
  • FR859960A - Non-slip rubber sole : en fr
  • CH212970A - Motor vehicle. : de en
  • DE700832C - Device for cleaning waste water containing fibers : de en
  • US2227080A - Television scanning device : en
  • US2227359A - Air conditioning apparatus : en
  • USD124459S - Design for a dress : en
  • FI18939A - Method and device for chamfering veneer edges when skewing veneer : en fi
  • FR859873A - Hand shear for cutting sheet metal : en fr
  • FR859881A - Brake improvements : en fr
  • GB531210A - Improvements relating to side discharge tipping wagons : en
  • US2226531A - Production of valuable hydrocarbons : en
  • US2226935A - Method of manufacturing lock nuts : en
  • US2227052A - Circuit arrangement for separating electric pulses : en
  • FR859875A - Coupling device for tubes of all kinds : en fr
  • DE700855C - Magnetic body for magnetic drum separator : de en
  • FR860012A - Device for photographic recording of variable processes by means of a light spot : en fr
  • FR860015A - Improvements in construction and insulation materials : en fr
  • GB531445A - Improvements in and relating to composite blades for gas turbines : en
  • FR860039A - Reaction device operating by means of exhaust gases : en fr
  • US2227201A - Method for producing and exhibiting sound motion pictures : en
  • PL29412B1 - A method of obtaining fiber from vegetable stalks, especially from cereal straw. : en pl
  • US2227174A - Engine-governor control : en
  • DE700824C - Abrasives and methods of making the same : de en
  • ES146335A1 - Device for automatic regulation of the length of a mechanical shank. : en es
  • FR859904A - Method and systems for finding the direction of propagation of electromagnetic waves : en fr
  • FR859990A - Device for controlling the position of an object : en fr
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  • US2226960A - Accounting machine : en
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  • ES146456A1 - A procedure of landing by sliding roads. : en es
  • ES146322A1 - Draw for spinning machines. : en es
  • GB531321A - Improvements in and relating to pistons for internal combustion engines : en
  • GB531401A - Improvements in and relating to hand bags and the like : en
  • CA393581A - 9-polyhydroxyalkyl-isoalloxazine solution : en fr
  • US2226748A - Illuminated dial clock : en
  • US2226860A - Aerial navigation system : en
  • US2227164A - Liquid and vapor contacting device : en
  • US2226943A - Receptacle with double detachable coupon : en
  • USD124400S - Design for a pin clip : en
  • US2227157A - Grid bias modulated amplifier : en
  • US2226608A - Method of reproducing form tools : en
  • US2226891A - Two-way loud-speaking telephone : en
  • USD124471S - Design for a dress : en
  • US2227033A - Electron optical system : en
  • US2226804A - Liner for wells : en
  • DE700803C - Inlet regulator for circulating steam heaters of railway vehicles : de en
  • USD124420S - Design for a dress : en
  • CA393600A - Thermoplastic, film-forming and organic substance processing : en fr
  • US2226805A - Safety seal for bottles and the like : en
  • USD124490S - Design fob a dress : en
  • ES146300A1 - Procedure for the fractionation of mixtures of hydrocarbons and other liquids. : en es
  • ES146341A1 - Improvements in magnetrons. : en es
  • ES146374A1 - A process for the preparation of derivatives of the series of pyridine, quinoline and isoquinoline. : en es
  • FR859886A - New cyclic product, as well as its preparation process and its applications : en fr
  • FR859969A - Hydraulic control of a brake servo motor, combined with a hydraulic linkage : en fr
  • PL29419B3 - : en pl
  • FI18940A - Device for planing benches : en fi
  • CH212918A - Low-freezing liquid. : de en
  • ES146233A1 - A combustion engine. : en es
  • FR859953A - Device for checking the tightness and efficiency of gas masks : en fr
  • DE700920C - Process for the production of water-soluble substances with a tanning effect : de en
  • GB531267A - Improvements in or relating to the treatment of starch : en
  • US2226796A - Trimming guide tool for wallpaper : en
  • US2227158A - Packet of cigarettes : en
  • DE700863C - Control of the printing cylinder gripper in two-turn high-speed presses brought about by non-circular discs : de en
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  • GB531301A - Improvements in and relating to furnace control : en
  • GB531419A - Improved driving means for the batch roller of jigger dyeing apparatus : en
  • CH212881A - Control device for phase adjustment for drive magnets of induction measuring devices. : de en
  • CH212945A - Radio receiver with loop antenna. : de en
  • GB531113A - Improvements relating to ventilators for vehicles : en
  • GB531318A - Improvements in and relating to electric communication systems : en
  • GR9385B - WASTE COLLECTION. : el en
  • US2226780A - Work-clamping means for lasting machines : en
  • GB531155A - Improvements in and connected with damping rollers for printing : en
  • GB531422A - Improvements in or relating to current supply arrangements for telegraph transmitting apparatus : en
  • US2227117A - Mercury vapor detector : en
  • US2227332A - Automatic traffic signal : en
  • GB531123A - Improvements relating to the insulation of electric conductors : en
  • GB531370A - Improvements in hair curlers : en
  • US2226651A - Crucible support : en
  • US2227024A - Electron scanning tube : en
  • ES146394A3 - An axial steam turbine, action or reaction, with a mobile distributor. : en es
  • GB531398A - Improvements in or relating to fluid-tight doors for buildings and the like : en
  • CH212905A - Rotary piston machine with a piston drum mounted eccentrically in a housing and blades running in the middle of the housing. : de en
  • DE700807C - Arrangement on three-phase shunt commutator motors : de en
  • PL29410B1 - Scharfenbergkupplung Aktiengosellschaft, Herlin. Automatic clutch for vehicles with a device that closes the flow of air through the brake hose forming a part of the clutch. : en pl
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  • GB531443A - Improvements relating to gear grinding machines : en
  • GB531070A - Improvements in or relating to intercommunication telephone systems : en
  • DE700813C - Device to prevent slagging of the smoke pipe inlet openings in smoke pipe boilers : de en
  • ES146492A1 - New articulated sole system for footwear, made of wood or other rigid material. : en es
  • GB531279A - Improvements relating to wall coverings and the like : en
  • CA393558A - Cyclic sulphide stabilization : en fr
  • GB531084A - Improvements relating to the production of a resin-like casein glue : en
  • GB531230A - Improvements relating to multi-stage, free piston motor compressors : en
  • US2226532A - System of water purification and waste recovery : en
  • US2226732A - Safety valve : en
  • US2227186A - Apparatus for producing staple fiber : en
  • USD124405S - Design fos a tone cabinet : en
  • BE439891A - : en
  • US2227014A - Television amplifier : en
  • US2227319A - Electrolytic condenser vent : en
  • CH212930A - Device for achieving a symmetrical current distribution to the suction throttle halves in power converter systems. : de en
  • US2227005A - Cathode ray television apparatus with adjustable size of the image point : en
  • US2227135A - Electrocardiograph : en
  • CA393577A - Routing machine : en fr
  • US2227040A - Metal mercury tube switch : en
  • DE700923C - Electrical circuit breaker with a circuit breaker in series : de en
  • FR860049A - Rotary apparatus for supplying strands of silk from cocoons : en fr
  • ES146238A1 - A clamping device for nuts or bolts. : en es
  • CA393589A - Pitman or connecting rod : en fr
  • CA393588A - Sewing machine attachment : en fr
  • CH212971A - Seat backs, in particular for the seats of motor vehicles. : de en
  • CH212976A - Collapsible bike rack. : de en
  • GB531315A - Improved process for the manufacture of shaped metal products : en
  • US2226842A - Nail and cuticle conditioning device : en
  • CA393548A - Water pollution protecting device : en fr
  • CH212868A - Aperture adjustment device on single-lens reflex cameras. : de en
  • CH212926A - Electric discharge tube. : de en
  • US2227183A - Loom shuttle : en
  • PL29452B1 - A method of producing calcium nitrate from gases containing ammonia and derived from fuel distillation. : en pl
  • DE700937C - Braun tube with fluorescent screen with light-absorbing inner wall : de en
  • CA393470A - Clothes-pin : en fr
  • ES146261A1 - Procedure for obtaining condensation products. : en es
  • GB531309A - An improved comb case : en
  • ES146221A1 - Improvements in the reversal mechanisms of the internal combustion engines. : en es
  • ES146299A1 - Apparatus for vertical stretching of sheet glass. : en es
  • GB531400A - Improvements in and relating to loading means for refuse carts : en
  • CA393567A - Soot blower shield : en fr
  • CH212927A - Apparatus comprising a cathode ray tube with magnetic deflection of the cathode ray. : de en
  • US2226536A - Octave vent for musical wind instruments : en
  • GB531095A - Shaft collars : en
  • USD124307S - Design for an ironer : en
  • GB531337A - Telegraph transmitters : en
  • DE700958C - Holding device for mines : de en
  • DE700845C - Procedure for purifying wood gas : de en
  • GB531172A - Improvements in and relating to boilers : en
  • US2226691A - Key construction : en
  • USD124365S - Design for a textile fabric : en
  • DE700821C - Shelf support : de en
  • GB531311A - Improvements in and connected with pumps of the swashplate type : en
  • ES146443A1 - A device for effecting the evacuation, without inversion or mixing, of granulated bodies contained in a container. : en es
  • GB531376A - Tipping bodies for trailers for motor vehicles : en
  • GB531448A - Improvements in circuits comprising an indicator tube : en
  • CH212837A - Blackboard furniture for schools. : de en
  • CH212848A - Device for pressing zipper links onto the fastener tape. : de en
  • CH212897A - Hardening agent for iron and steel. : de en
  • GB531086A - Improvements in or relating to water closets and like sanitary apparatus : en
  • GB531404A - Improvements in or relating to telegraph apparatus : en
  • GB531425A - Carrier current transmission systems : en
  • GR9381B - ZOSTIR BY PARACHITES. : el en
  • CH212895A - Bar turning machine scale. : en fr
  • US2226703A - Internal combustion engine : en
  • GB531312A - Improvements in and relating to colour forming developers and processes of colour development : en
  • GB531163A - A method of preserving acetylene gas : en
  • DE700955C - Chain wheel drive with two axially displaceable pairs of conical pulleys and a wedge link chain : de en
  • US2227136A - Railway truck : en
  • USD124470S - Textile fabric : en
  • DE700741C - Remote control system for controlling and monitoring organs combined in selection groups : de en
  • DK58282C - Process for the Preparation of 3-Keto-17-oxy compounds of the Cyclopentanopolyhydrophenanthene series. : da en
  • FR860040A - Motor vehicle with streamlined body : en fr
  • DK58289C - Method for the manufacture of electric discharge containers, preferably with a metal flask. : da en
  • FR860036A - Watertight closing device applicable to musettes, saddlebags, suitcases, etc. and object provided with this closure device : en fr
  • FR859918A - Improvement in clutch control modes : en fr
  • USD124304S - Design for a double waffle iron : en
  • USD124312S - Design for a ring : en
  • USD124446S - Design for a pin clip : en
  • ES146316A1 - Extinguishing pump of new technical formula. : en es
  • GB531106A - Washing machine cabinet : en
  • FR859828A - Process for manufacturing light sensitive hydrated cellulose sheets and products obtained by this process : en fr
  • GB531428A - Improvements in or relating to structures for supporting curtains, hangings and the like : en
  • US2227295A - Apparatus for brazing : en
  • US2227385A - Plaited unit : en
  • USD124391S - Design for a pendant : en
  • DK58291C - Case for Storage and Delivery of Pipes used in Gas Tracking. : da en
  • DK58295C - Countertop for Pasteurization and Cooling of Milk. : da en
  • CH212914A - Device for supplying air to the carburator in air-cooled engines with cylinders in a V-shaped arrangement. : de en
  • GB531107A - Improvements in and relating to pianos : en
  • CA393520A - Fibrous glass textile material : en fr
  • ES146251A1 - Electromechanical vibration transmitter system. : en es
  • GB531110A - Improvements in or relating to lifting stands, more particularly applicable to aircraft : en
  • GB531269A - Improvements in chairs : en
  • DE700782C - Pressure gas dry fire extinguisher : de en
  • DE700909C - Pest repellants : de en
  • GB531459A - Improvements in or relating to means for mounting tanks on vehicles : en
  • US2226818A - Electrical switch : en
  • USD124495S - Design for a dress : en
  • US2227412A - Transmission controlling mechanism : en
  • US2227417A - Prime mover control system : en
  • CH212944A - Tube circuit. : de en
  • CH212950A - Procedure for voltage-controlled frequency change. : de en
  • PL29402B1 - A method of producing acetylene from liquid hydrocarbons containing more than two carbon atoms in a molecule. : en pl
  • US2226803A - Age resistor : en
  • USD124424S - Design for a display sign : en
  • US2227226A - Method of and apparatus for grading peas or the like : en
  • US2227407A - Machine tool : en
  • US2227170A - Pressure fluid operated controlling device : en
  • ES146412A1 - Procedure and device for the manufacture of seamless metal tubes. : en es
  • GB531148A - Improvements in and relating to cathode ray tubes : en
  • US2227146A - Electrolyte and electric condenser made therewith : en
  • US2227320A - Book : en
  • DE700789C - Adjustable shoe last : de en
  • FR860008A - Improvements to accounting machines, statistical machines and similar machines : en fr
  • ES146282A1 - Procedure for obtaining dolomite brick. : en es
  • GB531215A - Improvements in the manufacture of multiply tubing : en
  • GB531261A - Improvements in or relating to the tufting of mattresses, cushions and suchlike upholstery : en
  • GB531285A - Improvements in hopper windows : en
  • GB531446A - Improvements in or relating to moulding powders : en
  • US2227220A - Expansion tire wheel : en
  • PL29414B1 - A method of broadcasting television broadcasts and an apparatus for applying the method. : en pl
  • US2226733A - Multiconductor telephone cord and connector : en
  • US2227176A - Method of sintering hard substances in vacuum : en
  • USD124475S - Design for a dress ensemble : en
  • USD124496S - Design for a dkess : en
  • FR859854A - Process for obtaining cerium dioxide : en fr
  • GB531176A - Improvements in and relating to renewable heels and soles for boots and shoes : en
  • US2227045A - Television system : en
  • US2227370A - Chain gripper feeder : en
  • ES146497A1 - A procedure to convert the remnants of all kinds of leather into plates. : en es
  • DE700809C - Procedure for the logarithmic display of alternating voltages : de en
  • FR859927A - Improvements to cable car installations : en fr
  • GB531191A - System and method for transferring electric control signals : en
  • FR859816A - Group of machines consisting of a rotary machine and an electric machine : en fr
  • GB531303A - Improvements relating to motor vehicle and like radiators : en
  • US2226607A - Abrasive surface and method of preparing the same : en
  • US2227386A - Automobile-body heater : en
  • CA393532A - Moulding apparatus for rubber cushions : en fr
  • USD124458S - Design for a dress : en
  • CH212981A - Process for the production of hollow steel propellers and steel propellers produced by this process. : de en
  • CA393445A - Oil burner : en fr
  • ES146226A1 - A new bearing for vertical shafts on ball bearings or rollers lubricated in a constant oil bath. : en es
  • FR859862A - Tool holder behind tractors : en fr
  • US2227031A - Phototube with electron multiplier : en
  • US2227277A - Process of making threads, bands, strips, and tapes of rubber : en
  • PL29447B1 - A method for the production of cellulose xanthate for the production of artificial products, e.g. thread or sheet. : en pl
  • US2226665A - Plow : en
  • PL29404B1 - Method for the production of fatty alcohol esters. : en pl
  • US2226794A - Scraping and cutting tool : en
  • US2226873A - Coin chute : en
  • US2227168A - Refrigeration : en
  • US2226752A - Thermionic valve circuit : en
  • US2226750A - Classifier : en
  • US2226890A - Apparatus for automatically molding confectionery : en
  • US2227379A - Engine mounting : en
  • USD124328S - Design for a bottle : en
  • USD124416S - Design for a brooch or similar article : en
  • USD124439S - Lace collar or similar article : en
  • PL29444B1 - A method of producing azo dyes on fibers and a preparation for carrying out this method. : en pl
  • US2226827A - Camera mounting : en
  • CA393580A - Egg container : en fr
  • CH213005A - Process for the preparation of a water-insoluble azo dye. : de en
  • GB531109A - Improvements in and relating to precious stones and jewellery : en
  • GB531120A - Improvements in dewaxing of hydrocarbon oils : en
  • GB531226A - Improvements in or relating to processes of producing or preparing a concentrate of naturally occurring vitamin e and antioxidant from a vegetable oil, and the concentrate resulting therefrom : en
  • US2227318A - Resiliently mounted mine car : en
  • USD124491S - Golden dress ensemble : en
  • DE700873C - Method for achieving beat reception of ultrashort electrical waves : de en
  • GB531342A - Inlaid articles and method : en
  • FR859975A - Sheet-cutting machines, of the reciprocating knife type, and means for sharpening the blades of such machines : en fr
  • US2226841A - Paper : en
  • DE700910C - Mesh screen : de en
  • ES146401A1 - Procedure for obtaining zinc and chlorine. : en es
  • US2226666A - Selector multiples : en
  • US2227173A - Luminous gas-tube unit : en
  • US2226558A - Hydrodynamic brake resistance control and cooling system : en
  • US2226742A - Apparatus for trimming tires : en
  • US2227092A - Cathode ray tube : en
  • ES146256A1 - A process for manufacturing food or confectionery articles. : en es
  • US2226723A - Lading agitator for hoppers : en
  • US2226800A - Crank mechanism : en
  • DE700784C - Drum brake for motorcycles : de en
  • DE700887C - Guide device for the platform of a pallet truck : de en
  • DE700911C - Machine for the production of flat bags with side seams : de en
  • GB531453A - Improvements in and relating to control means for air or gas compressors : en
  • GB531282A - Polishing pad : en
  • GB531409A - Improvement in engine speed indicator : en
  • DE700763C - Electron beam electrocardiograph : de en
  • US2226861A - Chair : en
  • US2227192A - Apparatus for testing oil wells : en
  • CH212856A - Method for passing fluids through solid masses and apparatus for carrying out the method. : de en
  • US2227019A - Multistage frequency reducer : en
  • US2227365A - Bedclothes holder : en
  • US2226647A - Water and gas tight light : en
  • US2226620A - Toy gun : en
  • US2227214A - Undergarment for women : en
  • CA393471A - Can body reforming apparatus : en fr
  • US2227046A - Electron valve : en
  • DE700737C - Process and device for the production of fertilizers by fermenting household waste : de en
  • CA393591A - Vegetable peeling machine : en fr
  • US2226655A - Rotary bit : en
  • US2226817A - Floor cleaner : en
  • US2227374A - Safety device for glass blowing machines : en
  • CA393461A - Door check : en fr
  • CA393479A - Radio receiver indicator : en fr
  • CA393447A - Floor and wall covering : en fr
  • CA393528A - Non-run fabric : en fr
  • DE700669C - Circuit arrangement for telephone systems with dialer operation and several exchanges in series : de en
  • DE700884C - Process for the production of tubular electric heaters, armored cables or the like. : de en
  • CH212988A - Process for the preparation of a hexakisazo dye. : de en
  • US2226845A - Condition control system : en
  • US2227098A - Rotary food pulverizer and juice extractor : en
  • USD124314S - Design for a coin bank : en
  • CH212962A - Support device on vehicles. : de en
  • CA393522A - Propeller blade surface treating device : en fr
  • GB531259A - Land, garden and like rollers : en
  • CH212839A - Process for the manufacture of a handle attached to a harness without rivets. : de en
  • CH212886A - Watch movement. : en fr
  • CH212824A - Method of manufacturing ribbed ceilings. : de en
  • CA393492A - Watthour metre load compensator : en fr
  • CH212915A - Device for supplying air to the carburator in air-cooled engines with cylinders in a V-shaped arrangement. : de en
  • US2226996A - Television receiver : en
  • US2227114A - Stop mechanism : en
  • US2226806A - Musical rattle : en
  • US2226570A - Collapsible support for fluoroscopic units : en
  • US2227361A - Paper cup : en
  • US2227205A - Process of making laminated shingles : en
  • CA393487A - Aerial feeder arrangement : en fr
  • CH212854A - Acid cooker for continuous operation, in particular for dental technology purposes. : de en
  • DE700841C - Method for the automatic production of nodes from z. B. String for tying the ends of goods : de en
  • CA393573A - Dry contact rectifier : en fr
  • USD124396S - Design for a bracelet : en
  • USD124417S - Design for a pin cup : en
  • BE439725A - : en fr
  • USD124308S - Cracker or similar food product : en
  • US2226638A - Motion picture camera : en
  • US2227236A - Package for frozen confections or the like : en
  • DE700825C - Process for the production of condensation products : de en
  • GB531183A - Improvements in and relating to drums, cans, kegs and like sheet metal containers : en
  • US2226786A - Hanger construction : en
  • CH212821A - Tow hook. : en fr
  • GB531100A - Improvements in and relating to injection moulding machines : en
  • GB531205A - Improvements in or relating to telecommunication exchange systems : en
  • FI18934A - Förfaringssätt för överföring av sulfitcellulosa-avfallslut i högviskos eller fast form : en fi
  • PL29458B1 - Corner hardware for double window frames. : en pl
  • CA393540A - Hoist controlling mechanism : en fr
  • US2226574A - Manifold form : en
  • US2227085A - Cutting tool and anchroage means therefor : en
  • PL29432B1 - http 3 Gik http 3 Gik http 3 Gik : en pl
  • US2226781A - Support for electric heating elements and method of making same : en
  • USD124450S - Design foe, a carpet ok similar article : en
  • DE700761C - Flat weft knitting machine for the production of knit-proof goods using double needles : de en
  • CA393455A - Bearing : en fr
  • CA393551A - Television apparatus : en fr
  • US2227339A - Electric dry shaver : en
  • US2227366A - Reversible plow : en
  • CA393537A - Radial engine : en fr
  • CH212990A - Process for the preparation of a hexakisazo dye. : de en
  • CA393451A - Direction indicator : en fr
  • CA393490A - Low grid current glow tube : en fr
  • FR859872A - Filing and sawing device : en fr
  • GB531414A - Improvement relating to sideboards and/or cabinets : en
  • FR859991A - Die casting device : en fr
  • USD124403S - Design for a textile fabric : en
  • ES146268A1 - A system of continuous transport of salt, from a distance, in saturated water for the collection in the marine salinas. : en es
  • US2227088A - Directional antenna system : en
  • US2227105A - Sprinkling pipe and rotatable coupling therefor : en
  • CH212908A - Device for regulating the fuel supply in internal combustion engines. : de en
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  • CH213009A - Process for the production of insulating tape for electrotechnical purposes. : de en
  • CA393452A - Flour treating apparatus : en fr
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  • DK58284C - Method for the Preparation of Complex, Water-Soluble Gold Compounds of Albumose-Like Keratin Decomposition Products Containing Sulfhydryl Groups. : da en
  • ES146356A1 - A process for the preparation of derivatives of pyridine, quinoline and isoquinoline. : en es
  • ES146455A1 - A metal sleeper for shoring, especially for mine undercutters. : en es
  • CA393578A - Pulp screening apparatus : en fr
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  • USD124303S - Design for a flower rack or the like : en
  • PL29421B1 - Method for the production of neutral, saturated and unsaturated ketones or saturated dihydric alcohols from neutral sterols. : en pl
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  • GB531424A - Improvements in volume control circuits in signal transmission systems : en
  • DE700898C - Device for the rapid emptying of fluid containers in aircraft by means of an emptying line opening at the rear end of the fuselage : de en
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  • FR860047A - Silk unrolling machine with multiple spools for standing operators : en fr
  • US2226568A - Process for manufacturing iodoalkaloids : en
  • US2227191A - Token book : en
  • CA393595A - Television system : en fr
  • CH212843A - Industrial vacuum cleaners. : de en
  • US2226858A - Radio tuning device : en
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  • USD124479S - Design for a dress : en
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  • CA393574A - Dry contact rectifier : en fr
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  • US2226995A - Television amplifier : en
  • US2227083A - Cathode ray telautograph : en
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  • DE700843C - Method and adhesive for making books : de en
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  • US2226673A - Welder's chipper : en
  • AU114061B2 - Improvements in cathodes of electric discharge devices : en
  • CA393594A - Elevator car dispatching and scheduling system : en fr
  • CA393456A - Grain hoist : en fr
  • FR859865A - Improvements to finned tube heat exchangers : en fr
  • ES146250A1 - Extra-sensitive fuze. : en es
  • FR859937A - New loop for attaching and fixing a strap tab without tag : en fr
  • GB531246A - Improvements in and relating to colour forming developers and processes of colour development : en
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  • CA393541A - Cash register : en fr
  • GB531413A - Improvements relating to the operation of gearing, particularly change-speed gearing : en
  • CA393565A - Compressed air cooling, drying and re-heating apparatus : en fr
  • US2226663A - Fountain toothbrush : en
  • CH212869A - Process for the preparation of photographic emulsions using cellulose esters. : de en
  • CH212966A - Device for oil cooling in air-cooled engines in motor vehicles. : de en
  • CH212841A - Chain beam brake for looms. : de en
  • CA393584A - Valve structure : en fr
  • US2227138A - Sanitary can or container : en
  • US2227291A - Safety system responsive to temperature and fluid flow : en
  • CH212898A - Device to facilitate the driving of nails, setting of screws and the like. : de en
  • US2227232A - Bicycle sprocket mounting : en
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  • PL29442B1 - The method of producing sulfonation products. : en pl
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  • FR859857A - Improvements to cylinder bores or associated parts of internal combustion engines, in particular distributor engines : en fr
  • GB531127A - Improvements in and relating to electric current measuring devices : en
  • GB531361A - Improvements in crude rubber and the method of making same : en
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  • GB531152A - Improvements in indicators for liquid flow : en
  • GB531288A - Process for the generation of synthesis gas with the simultaneous recovery of aromatic hydrocarbons : en
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  • US2227004A - Television reproducing method : en
  • US2227230A - Musical instrument : en
  • US2227288A - Tappet construction : en
  • USD124388S - Design for a handbag frame : en
  • ES146416A1 - New electrode device for electric ovens. : en es
  • GB531220A - Improvements in or relating to television transmitting apparatus : en
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  • GB531136A - Improvements in or relating to straight-bar knitting machines : en
  • GB531168A - Improvements in and relating to spring struts for aircraft : en
  • GB531348A - Improvements in or relating to means for mounting tanks in position on road and other vehicles : en
  • FR859870A - Processes for breaking metal parts : en fr
  • GB531103A - Improvements in and relating to circuit arrangements for the supply of current to induction electrical circuits : en
  • GB531281A - Improvements in, or relating to, electric plug and socket couplings : en
  • GB531290A - Improved manufacture of cementitious or concrete products or the like : en
  • GB531412A - Improvements in address printing machines : en
  • ES146466A1 - A procedure for the recovery of sulfur dioxide. : en es
  • FR860004A - Synthetic resin layers or coatings, their preparation processes and their applications, in particular to photographic materials : en fr
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  • US2227280A - Apparatus for removing foreign particles : en
  • CA393514A - Metal ore smelting process : en fr
  • USD124433S - Design for a dress : en
  • US2227395A - Lifting jack : en
  • US2227245A - Brake : en
  • US2227392A - Outboard motor : en
  • ES146283A1 - Distribution layout for the high frequency message service. : en es
  • US2226709A - Calender finished paper board product and process and means for production or treatment thereof : en
  • CA393477A - Foundry sand binder : en fr
  • CH212888A - Process for making the shell middle of a round, horned watch case. : en fr
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  • PL29422B1 - Process for the preparation of hydroxy ketones of formula C 1 HZOO 2. : en pl
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  • US2226731A - Telephone system : en
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  • ES146407A1 - Flector or Cardan flexible disk. : en es
  • ES146439A1 - Improvements in hydraulic couplings. : en es
  • US2227110A - Photoprinting system and apparatus : en
  • US2227276A - Gum massaging device : en
  • CH212982A - Blocking device on hydraulic adjusting devices for propeller blades. : de en
  • FR859925A - Improvements to devices for launching projectiles by centrifugal force : en fr
  • FR859950A - Process for the thermal and aseptic treatment of heat-sensitive liquids, allowing their vital constituents to be kept intact and, if necessary, to reactivate them : en fr
  • FR859996A - Interchangeable lens mount camera : en fr
  • GB531217A - Improvements in cord stretching apparatus : en
  • CA393513A - Type setting machine : en fr
  • CA393596A - Electrolytic cell : en fr
  • FR859931A - Improvements to foundry sand rubbers : en fr
  • USD124334S - Design for a textile fabric : en
  • USD124387S - Design for, a textile fabeic : en
  • USD124402S - Design for a clip os- similar article : en
  • ES146476A1 - Arrangement for the constant supply of current for devices powered by alternating current, particularly for remote message devices. : en es
  • FR859845A - Olefin polymerization process : en fr
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  • GB531298A - Improvements in the manufacture of superphosphate : en
  • ES146388A1 - An iron concrete beam. : en es
  • GR9389B - SILVER FROM ALTERNATIVE IMAGES. : el en
  • US2226783A - Time controlled switch for radios : en
  • US2227197A - Signaling system : en
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  • US2226738A - paridon : en
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  • GB531450A - Improvements in or relating to machines for printing or coating tubes : en
  • FR859986A - Compass : en fr
  • GB531085A - Improvements in or relating to water closets : en
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  • USD124305S - Design for a sandwich toaster : en
  • US2226692A - Control system : en
  • CA393466A - Radio tube connector device : en fr
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  • ES146405A3 - An automatic machine for the manufacture of ice cream powered by motor and provided with a spoon to start, stir and spread the mixture to be transformed into ice cream. : en es
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  • US2227049A - Synchronizing system : en
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  • ES146435A1 - A filter for aerosols and procedure for its manufacture. : en es
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  • GB531313A - Improvements in and relating to hydraulically operated machine tools and other mechanical appliances : en
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  • PL29403B1 - : en pl
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  • US2226729A - Low impedance power tube : en
  • CA393519A - Fibre glass producing apparatus : en fr
  • ES146257A2 - IMPROVEMENTS MADE IN THE PURPOSE OF THE PRINCIPAL PATENT NUMBER 144864 : en es
  • GB531187A - Control systems for radio receivers or other electric wave apparatus : en
  • US2226991A - Television tube : en
  • US2227021A - Arrangement for magnetic deflection of a cathode ray : en
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  • US2227375A - Servomotor system for aircraft : en
  • SU58546A1 - Device for continuous painting of gas boxes : en ru
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  • US2227353A - Voltage regulation : en
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  • USD124488S - Design for a dress : en
  • ES146236A3 - Procedure to present aliphatic polyureas. : en es
  • GB531323A - Improvements in and relating to timing devices for sheet folding machines : en
  • GR9383B - WASTE COLLECTION CART. : el en
  • ES146419A1 - A knife holder for slicing machines. : en es
  • FR859972A - Suction cleaning device beater improvements : en fr
  • US2226624A - Buffing or polishing wheel : en
  • US2227234A - Extension table : en
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  • BE439707A - : en
  • CA393523A - Container closure : en fr
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  • US2226929A - Direction finding system : en
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  • USD124469S - Design for a dress : en
  • US2226579A - Production of leather : en
  • US2226580A - Choke valve operating mechanism : en
  • US2226693A - Sewing cabinet : en
  • US2226965A - Partition system : en
  • US2226779A - Phonograph record cabinet : en
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  • ES146252A1 - Improvements in thermionic lamp devices. : en es
  • FR859869A - Machine for developing photographic prints : en fr
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  • GB531449A - Improvements in the priming of centrifugal and other pumps : en
  • GB531142A - Improvements in or relating to the connection of fittings of wood bedsteads and cots : en