• US2311714A - Reclosing circuit breaker : en
  • US2311850A - Flock printing : en
  • US2311795A - Ticket tube terminal : en
  • AU116568B2 - Receiving installation comprising a plurality of receiving points arranged at a distance from each other : en
  • CH225772A - Storage jar with glass lid and sealing ring. : de en
  • US2311727A - Interrupted oil ring : en
  • US2311943A - Carving apparatus : en
  • USD135095S - Garratt display device : en
  • CA410756A - Cathanode tube oscillator : en fr
  • US2311801A - Thermal time delay relay : en
  • CH225799A - Process for the preparation of color photographic images. : de en
  • US2311734A - Searchlight : en
  • US2311857A - Reinforcing means for folding boxes : en
  • CH225909A - Seat for cycles and motorcycles. : en fr
  • GB551522A - Improvements in and relating to the method of and means for the fabrication of moulded bodies, applicable to structural and other purposes : en
  • CA410780A - Textile machinery : en fr
  • US2311771A - Apparatus for measuring gravity : en
  • BE448686A - Process for the production of shaped articles from polyvinyl acetals : en fr
  • CA410777A - Stapling machine : en fr
  • PL31418B1 - : en pl
  • US2311686A - Door latch : en
  • DE732313C - Device for determining the moisture content of multi-layer papers, especially pigment papers : de en
  • DK60622C - Method for completing and correcting the electrolyte during the refining of aluminum by electrolysis of molten aluminum. : da en
  • US2311641A - Binder : en
  • US2311873A - Rail bond terminal pin : en
  • US2311636A - Manufacture of cyanohydrins : en
  • CA410712A - Supporter in undergarment : en fr
  • US2311766A - Process of making insole sheets : en
  • CH225874A - Mechanical converter. : de en
  • CH225878A - Control device for contact converters with switching chokes and contacts driven by an eccentric drive element. : de en
  • US2312243A - Circuit controlling device : en
  • DE732256C - Process to increase the resistance of dental cement compounds : de en
  • FR879364A - Deformable tube for pasty products : en fr
  • GB551469A - Improvements in or relating to the cooling of engine lubricant : en
  • FR879398A - Heating generator : en fr
  • CH225801A - Elastic ink cap for pen holder. : de en
  • DE732280C - Support ring for aerial cable : de en
  • DE732111C - Pivoting mounting of the Schraemrad of Zwischenmittelaushaltegeraeten on a support frame : de en
  • CH225820A - Timepiece. : en fr
  • AU526042A - An improved glove and method of making same : en
  • USD135104S - Portable sound amplification unit : en
  • US2312122A - Pipe bender : en
  • US2312144A - Refrigeration : en
  • US2311878A - Method of attaching high chromium ferrous alloys to other metals : en
  • US2312217A - Autoclave : en
  • PL31460B1 - A device for melting high melting point materials : en pl
  • US2311731A - Offset piston ring : en
  • US2311777A - Phenol synthesis and catalyst : en
  • US2311655A - Oil economizing system for compressors : en
  • CH225752A - Loading device on industrial furnaces with air circulation. : de en
  • US2311932A - Hinged finger adjustable pipe rack : en
  • US2312204A - Identification device for key rings or chains and the like : en
  • US2311725A - X-ray tube : en
  • US2312005A - Retractable head lamp : en
  • GB551509A - Improvements in and relating to electric transformers : en
  • FR879485A - Process for the continuous preparation of epichlorohydrin : en fr
  • FR879400A - Elastic suspension trailer hitch for cycles and other vehicles : en fr
  • CH225894A - Telephone system with electro-acoustic transducers that can be used both as loudspeakers and as a microphone that can be spoken from a distance. : de en
  • US2311715A - Apparatus for and method of detecting flaws in rails and other objects : en
  • US2312197A - Shoe heel : en
  • DE731941C - Optical copier : de en
  • PL31439B1 - Gebriider Kirsch Spczialfabrik fur Schneidflott-Patentbalken, Meckesheim, Baden Mower cutterbar : en pl
  • US2311698A - Scoring machine : en
  • GB551439A - Device for indicating or controlling the turning of a craft : en
  • GB551476A - Improvements in yarn winding devices : en
  • PL31386B1 - : en pl
  • US2311990A - Refrigerator car construction : en
  • US2312089A - Fabric : en
  • USD135084S - Design for a slipper : en
  • CA410732A - 2-row engine balancing means : en fr
  • DE732292C - Pit stamp : de en
  • DE732251C - Electrical apparatus e.g. Transformer, which is located in a housing, the remaining space of which is filled with a viscous electrically insulating compound : de en
  • USD135126S - Design for a dress : en
  • FR879434A - Automatic machine for overcapping and wrapping of bottles : en fr
  • PL31432B1 - : en pl
  • FR879568A - Device for the introduction and extraction of the screen fabric in single or multiple stage presses : en fr
  • GB551461A - Process for the treatment of rubber and particularly rubber waste materials : en
  • US2312266A - Fluorescent material and process of making same : en
  • DE732230C - Iron pit stamp : de en
  • FR879561A - Process for drying and cooling adsorbents : en fr
  • DE732276C - Three-jaw chuck : de en
  • GB551434A - Dyes and dyeing : en
  • FR879574A - Device for erecting portable film reproduction devices : en fr
  • GB551462A - Improvements relating to gaseous electric discharge lamps : en
  • CH225890A - Device for connecting items such as cloakroom items, bicycles, etc. : de en
  • DK60611C - Liquid filter. : da en
  • US2311700A - Means for improving the commutation of commutator dynamoelectric machines : en
  • CA410707A - Perambulator : en fr
  • CA410771A - Weighing scale : en fr
  • GB551502A - An improved device for promoting the growth of plants : en
  • FR879537A - Installation for adjusting the pressure, temperature and humidity of fresh air in cells, in particular altitude cells on air vehicles : en fr
  • US2312149A - Screw-threading appliance : en
  • CA410734A - Internal combustion engine : en fr
  • DE732275C - Starting device for internal combustion engines : de en
  • US2311626A - Timing device for roll changing apparatus or the like : en
  • US2311769A - Range controlled speed indicator : en
  • US2311921A - Flasher switch : en
  • US2312027A - Chain tool : en
  • FR879396A - Theft protection device for bicycles and motorcycles : en fr
  • US2311674A - Apparatus for and method of detecting and correcting for skew in woven material : en
  • US2312048A - Process for the manufacture of hydrofluosilicic acid : en
  • US2311981A - Electron control device : en
  • US2311999A - Balanced tire assembly : en
  • US2311791A - Bus seat securing means : en
  • US2312232A - Liquid-cooled lamp : en
  • US2312143A - String and ribbon cutter : en
  • US2312281A - Bag : en
  • PL31391B1 - Device for removing supers from cast lines for font folders and row casting machines : en pl
  • CH225800A - Device for securing the protective cap of a fountain pen on its outer sleeve. : de en
  • PL31407B1 - : en pl
  • US2312174A - Circuit-interrupting apparatus : en
  • FR879439A - Device for checking combs after leaving machines used for shaping them, for example polishing machines : en fr
  • DE732122C - Compressed gas switch, especially for high performance : de en
  • GB551447A - Improvements in rolls for bending lengths of metal of angle, tee or other bar section : en
  • US2312091A - Apparatus for cleaning automobile engines : en
  • USD135125S - Design for a dres : en
  • FR879361A - Hot water or steam central heating radiator : en fr
  • DE732176C - Electrically controlled point machine with differential relay : de en
  • FR879376A - Process for the hydrolysis of celluloses and particularly of wood celluloses with a view to obtaining edible or fermentable sugars : en fr
  • US2312140A - Gap filler : en
  • GB551431A - Improvements in or relating to telephone systems : en
  • US2312074A - Traffic signal : en
  • US2311824A - Drying apparatus : en
  • US2311963A - Gas anchor : en
  • US2311628A - Hollow concrete building block : en
  • GB551475A - Glandless streamline valve : en
  • GB551419A - Improvements relating to telephone and like impulsing systems : en
  • FR879410A - Articulated sole : en fr
  • US2312117A - Control system : en
  • US2312171A - Impression tray : en
  • CA410760A - Vacuum tube getter tab : en fr
  • CA410765A - Rheostat device : en fr
  • FR879384A - Electric match for household or other appliances : en fr
  • US2312211A - Tuning system : en
  • FR879375A - Twin plate system, intended for the construction of rectification columns for alcohols and other industrial liquids : en fr
  • US2311865A - Auger conveyer : en
  • US2311952A - Magnetic indicator : en
  • US2312054A - Television shading control circuit : en
  • DE732322C - Valve arrangement for oxygen breathing apparatus : de en
  • DE732300C - High performance electrodynamic loudspeaker with cooled field and voice coil : de en
  • PL31406B1 - : en pl
  • FR879441A - Recording method intended, for example, for telephotographic transmission devices : en fr
  • BE448767R - Polyamide manufacturing process : en fr
  • US2312196A - Method of manufacturing alcohol from peat : en
  • USD135132S - Design fob a dress : en
  • US2311699A - Pole type circuit breaker : en
  • US2312283A - Holding fork for citrus fruits : en
  • US2312295A - Dust recorder : en
  • US2312162A - Manufacture of dry-sealing envelopes : en
  • CA410723A - Electric lamp mounting device : en fr
  • US2312260A - Electrical compression system : en
  • CA410764A - Photoelectric consistency indicating and controlling apparatus : en fr
  • DE732274C - Device for starting motor vehicle engines : de en
  • US2312008A - Heel for shoes : en
  • US2311825A - Post straightener for pipes, bars, and the like material : en
  • US2312249A - Necktie protecting and conditioning means : en
  • CH225774A - Apparatus for cleaning liquids. : de en
  • US2312069A - Protector cap : en
  • AU444942A - Improvements relating tothe control ofthe temperature of charges supplied to internal combustion engines : en
  • FR879455A - electrodes in particular for salt bath ovens : en fr
  • FR879489A - Device allowing the articulated connection of pipelines of tubes or pipes, in particular of the conduits of couplings used for the steam heating of railway cars : en fr
  • GB551448A - Improvements relating to work holders for use in drilling and like operations performed on rod, bar, strip or like material : en
  • GR10042B - METHOD FOR COLORING TOLYPS FROM ARTIFICIAL SILK YARNS. : el en
  • US2311995A - Lath breaker : en
  • US2312059A - Railway signaling apparatus : en
  • AU116562B2 - An improved glove and method of making same : en
  • US2311787A - Fluid pressure producing device : en
  • US2312187A - Windshield protector and cleaner for airplanes : en
  • US2311738A - Shoe : en
  • US2311947A - Refrigerating apparatus : en
  • US2312161A - Roll-grinding machine : en
  • AU441542A - Improvements in suspension for vehicle wheels : en
  • GB551411A - Improvements in or relating to transmission gears for driving airscrews : en
  • GB551486A - Improvements in or relating to clutches : en
  • DE680760C - Arrangement for generating an alternating voltage by means of a capacitor connected to a direct voltage and having a periodically variable capacitance : de en
  • DE732289C - Use of the method for extinguishing and shutting off burning gas pipes according to patent 696079 for locating and removing gas escapes in the gas distribution network : de en
  • CH225923A - Device for holding workpieces, in particular on workbenches. : de en
  • DE732309C - Kneading machine for plastic masses : de en
  • FR879451A - cutting equipment : en fr
  • US2311726A - Fertilizer distributor : en
  • CA410776A - Sectional building or structure : en fr
  • GB551539A - Improvements in sweep circuit generation for cathode ray tubes : en
  • GB551488A - A stirring machine more particularly for beating liquid glue into foam : en
  • FR879513A - Mixture separation process : en fr
  • US2311953A - Automobile air conditioning system : en
  • PL31457B1 - Gebr, Kleinmann, Berlin-Lichtenberg Button, composed of two parts, with top, cloth covered : en pl
  • CA410694A - Paper cup opener : en fr
  • CH225815A - Calculating machine with a counter slide projecting at one end in the rest position. : de en
  • FR879508A - Jumper with inscription or window for files : en fr
  • US2311942A - Means for supporting plastic articles : en
  • US2312253A - Rear underconstruction for vehicles : en
  • US2311645A - Cabinet construction : en
  • USD135097S - Combination mirror and tissue dispenser : en
  • FR879460A - Tie holder : en fr
  • US2311794A - Match pack : en
  • US2311806A - Door and brake interlock : en
  • PL31422B1 - : en pl
  • US2311784A - Preparation of nitrourea : en
  • FR879491A - Anticryptogamic mixture based on cupro-organic compounds with immediate and progressive effect : en fr
  • GB551501A - Improvements in multi-layer colour photography : en
  • FR879417A - Steam nozzle-injector for gasifiers : en fr
  • FR879589A - Injection and ignition method and device for engines : en fr
  • GB551466A - Improvements in or relating to brakes : en
  • GB551479A - Improvements relating to the mounting of optical devices : en
  • FR879595A - Improvements to speed multipliers and multipliers at high rotational speeds : en fr
  • GB551492A - Improvements in or relating to the manufacture of coated cans or containers or like articles : en
  • US2311737A - Silent typewriting machine : en
  • US2311974A - Flatiron holder : en
  • US2311735A - Packaged suture : en
  • US2311991A - Eyeglass construction : en
  • FR879353A - Frigorimeter : en fr
  • FR879409A - Additional air intake operating under the action of the flow of a fuel gas and its applications to the supply of engines by all gaseous fuels : en fr
  • FR879392A - Plate holder for bicycles and the like : en fr
  • FR879456A - Control for contact converter : en fr
  • US2312172A - Slitting machine : en
  • DE732197C - Process for generating tones of a certain timbre : de en
  • DE731060C - Device for sensing a high-frequency line : de en
  • DE732200C - Carrying device for cameras with bag : de en
  • US2312151A - Internal combustion engine apparatus : en
  • US2312111A - Control apparatus : en
  • FR879362A - Improvements to furnaces for distilling and carbonizing wood or other plant materials : en fr
  • GB551401A - Improvements relating to recording maximum demand meters : en
  • US2311657A - Vertical domestic heating unit : en
  • US2312025A - Undergarment : en
  • US2312220A - Washboard : en
  • SE106647C1 - : en
  • FR879558A - Wind tunnel musical instrument : en fr
  • US2312079A - Frequency control : en
  • US2311747A - Apparatus for feeding tobacco and like material : en
  • US2312299A - Method of dressing slate : en
  • USD135081S - Design fob a vise : en
  • GR10041B - WATERPROOF SEALS. : el en
  • US2311656A - Rubber derivative and method of making same : en
  • US2312100A - Wallet retainer : en
  • US2311956A - Valve tool : en
  • USRE22277E - Indicating device : en
  • DE732213C - Device for changing the transmission ratio on bicycles : de en
  • FR879529A - Automatic direction finder : en fr
  • GB551484A - Improvements in explosive projectiles : en
  • PL31433B1 - Ringhoffer-Tatra-Werke A. G., Prague Body of motor vehicles with reduced air resistance : en pl
  • US2311957A - Safety razor : en
  • CH225854A - Diaphragm sheet for fuel pumps. : de en
  • DE732283C - Facility for operating Roentgen pipes : de en
  • DE732105C - Recessed built-in nozzle cooler with armor protection for aircraft : de en
  • GB551468A - Improvements in and relating to the moulding of materials by injection : en
  • FR879182A - : fr
  • US2312103A - Method of making spark plugs : en
  • US2312036A - Motor vehicle bumper : en
  • US2312292A - Thermostatic cooling controls : en
  • GB551541A - Improvements relating to brake operating means : en
  • DK60628C - Procedure for rapid freezing and preservation of food in the cold in dense, mainly airtight sacks. : da en
  • DE732162C - Device for displaying the progress or winding of a clock : de en
  • PL31393B1 - : en pl
  • DE731906C - Motor vehicle with wheel and caterpillar drive : de en
  • US2311833A - Liquid dispensing nozzle for roughage mills and the like : en
  • US2311866A - Combined typewriting and computing : en
  • GB551422A - Improved machine for the manufacture of armatures for electric dynamos and motors : en
  • US2311694A - Fuse well forming pour funnel : en
  • US2311773A - Insulation blowing machine : en
  • DE732104C - Connecting rod arrangement in multi-cylinder internal combustion engines in star shape : de en
  • DE732344C - Process for the production of composite bodies : de en
  • DE732247C - Process to reduce the acoustic feedback between microphone and loudspeaker in microphone-loudspeaker systems : de en
  • DE732304C - Test and exercise device for spatial eyesight : de en
  • FR879369A - Assembly to increase the ignition energy when starting a combustion engine : en fr
  • DE732321C - Clamping device for transparent press webs on blueprint machines with a curved support surface : de en
  • FR879520A - Compressed fluid brake for automobile trailers actuated by compressed air : en fr
  • USD135128S - Design for a dress : en
  • DK60625C - Multi-row laying machine with laying wheels, especially for potatoes. : da en
  • FR879540A - Compressed fluid brake for road trains with several trailers : en fr
  • USD135100S - Design for a ceramic brooch pin : en
  • US2311668A - Engine stand : en
  • GB551494A - Improvements in or relating to torque transmission systems : en
  • US2311975A - Refrigerating apparatus : en
  • US2312106A - Hydrometer : en
  • FR879405A - Supercharged internal combustion engine with independent ignition : en fr
  • FR879539A - Oxygen breathing apparatus equipped with a warning device : en fr
  • US2312289A - Clamp : en
  • US2312064A - Production of dihalogenated saturated hydrocarbons : en
  • GB551485A - Improvements in or relating to thermistors : en
  • US2311623A - Surface treatment for aluminum : en
  • US2311915A - Chimney hatch : en
  • FR879579A - New industrial product, naturally sweet, and intended for food, obtained by special treatment of dates or ordinary date flour : en fr
  • GB551483A - Improvements in or relating to boilers : en
  • GB551491A - Improvements in or relating to the preparation of tetraacylated n-aryl ribitylamines : en
  • DE732339C - Mining machine : de en
  • FR879425A - Device for the combustion of gases, fumes, fireplaces : en fr
  • FR879494A - Adcock goniometer : en fr
  • DE730376C - Safety device for eccentric or crank presses or similar machines : de en
  • US2312284A - Slide fastener : en
  • FR879591A - Selector distributor : en fr
  • AU441142A - Absorption refrigerating apparatus : en
  • CH225810A - Protective shield. : de en
  • CH225925A - Circuit for power converter systems. : de en
  • GB551430A - Improvements in and relating to bottles or the like : en
  • CH225751A - Process for the production of a solid fuel. : de en
  • CH225853A - Feed pumps, in particular for liquid fuels. : de en
  • PL31392B1 - : en pl
  • DE732131C - Closing slide, especially for use in mining operations : de en
  • US2312282A - Heat insulating fluid conductor : en
  • FR879518A - Fountain pen : en fr
  • GB551521A - Improvements in the preparation of methyl vinyl ketone : en
  • FR879429A - Process for the preparation of layers based on phosphates on metals and products suitable for the implementation of this process : en fr
  • FR879424A - Use and process of agglutination of the coal menu or slurries for the manufacture of agglomerates and crushes of all sizes : en fr
  • DE732100C - Procedure for measuring the volume : de en
  • GB551458A - Improvements in topical remedies and cosmetics : en
  • US2312236A - Universal time clock : en
  • US2311968A - Ash tray : en
  • US2312035A - Automatic control mechanism for radio apparatus : en
  • CH225921A - Process for the production of trans-estradiol dipropionate from a mixture of dihydro-equilin and trans-estradiol. : de en
  • FR879536A - Anti-rust paints : en fr
  • GB551498A - Improvements in or relating to electron multipliers : en
  • CH225907A - Device for adjusting the mode of operation of liquid shock absorbers, in particular for motor vehicles. : de en
  • PL31459B1 - Adam Henryk Dabrowski, Grodzisk Mazowiecki Electric furnace for heating rooms, carriages, etc. : en pl
  • US2311662A - Forming method : en
  • US2312041A - Combined umbrella handle and receptacle : en
  • US2311935A - Electrophysiotherapeutical apparatus : en
  • US2312097A - Electroplating : en
  • FR879522A - Process for treating sulfuric spinning baths circulating in viscose spinning machines : en fr
  • CA410743A - Gramophone : en fr
  • GB551544A - Improved means for detecting, indicating or signalling conditions prevailing in an electric circuit : en
  • US2311997A - Clutch : en
  • US2311635A - Method of producing smoke : en
  • US2312052A - Shock absorber : en
  • US2312116A - Control system : en
  • PL31397B1 - : en pl
  • CA410772A - Roll making method : en fr
  • CH225887A - Process for the preparation of a solution of a diphenyl sulfone derivative. : de en
  • DE732271C - Safety device for the exhaust cleaner of internal combustion engines : de en
  • US2311748A - Tire valve : en
  • DE732227C - Method for peeling off an asbestos cement web formed on the format roller : de en
  • DE732148C - Saemery picker : de en
  • DE732264C - Sectional boiler with a gas collection hood arranged on the boiler sections : de en
  • USD135093S - Portable electric lighting fixture : en
  • CH225930A - Process for the preparation of a condensation product. : de en
  • US2311858A - Gas discharging sewer trap : en
  • US2311895A - Sewing machine lubricating means : en
  • DK60629C - Procedure for the production of caffeinated cereal coffee. : da en
  • CA410702A - Wrench : en fr
  • US2311820A - Electric connecting plug : en
  • PL31456B1 - : en pl
  • US2311912A - Bypass valve : en
  • AU472442A - Motor for food mixers and the like : en
  • CH225821A - Multi-part housing. : de en
  • CH225835A - Removable fixing device of a flat link with a handle. : en fr
  • CA410773A - Chromium plated die manufacture : en fr
  • CA410775A - Container galvanizing process : en fr
  • DE732166C - Trailer hitch : de en
  • US2312075A - Potato picking implement : en
  • US2311805A - Closure for submersible pumping units : en
  • US2311960A - Box construction : en
  • CH225775A - Process for the production of zeolites. : de en
  • CH225906A - Heat exchangers, in particular for vehicle heating. : de en
  • USD135101S - Design for a ceramic brooch pin : en
  • DK60627C - Gear ratio with several Speed Steps. : da en
  • FR879596A - Mechanical-electric sound reproducer : en fr
  • BE448946A - : en fr
  • CH225766A - Durable dispersion for waterproofing and simultaneous dyeing or printing of textile fabrics and process for the preparation of this dispersion. : de en
  • US2311845A - Carbon dioxide system : en
  • US2312261A - Focus finder for cameras : en
  • US2311667A - Printing press : en
  • PL31394B1 - : en pl
  • US2311808A - Mercury switch : en
  • US2312051A - Apparatus for railway train communication system : en
  • US2312184A - Treadle and catch : en
  • US2311980A - Machine for imparting agitation to commodities : en
  • DE732293C - Process for fulling and softening textile fabrics : de en
  • FR879436A - component, such as sliding door : en fr
  • CH225861A - Layer brush for commutator machines. : de en
  • FR879562A - Refrigeration apparatus and its manufacturing process : en fr
  • US2311677A - Backlash prevention device : en
  • US2311970A - Refractory : en
  • US2312255A - Grader : en
  • CA410701A - Coil winding machine : en fr
  • US2312065A - Railway truck : en
  • DE732272C - Ignition system of internal combustion engines, which is radio interference suppressed by the installation of resistors : de en
  • US2311926A - Cigarette snuffer and ejector with combined advertising device : en
  • US2312170A - Multishuttle weft replenishing loom : en
  • CH225834A - Slingshot for cleaning liquids contaminated by sinking and floating matter. : de en
  • DE731347C - Circuit arrangement for measuring the distortion factor of quadrupole terminals : de en
  • AU464242A - Improved sharpening machine for safety razor blades and the like : en
  • DE732175C - Self-propelled tracked vehicle : de en
  • USD135106S - Foldable case for edibles or other articles : en
  • DE732106C - Device for deploying an auxiliary tow antenna from aircraft : de en
  • CA410748A - Coating for refractory bricks : en fr
  • FR879395A - Improvements to wooden-soled shoes : en fr
  • CA410718A - Radio shielded spark plug : en fr
  • US2312159A - Rotating device for aircraft wheels : en
  • DE732317C - Rotating and hanging device for items to be galvanized, especially hard to be chrome-plated : de en
  • US2311676A - Silencer : en
  • FR879495A - Capacitive goniometer : en fr
  • FR879399A - Improvements to shoes with wooden soles and the like : en fr
  • CH225893A - Button for telecommunications, in particular telephone systems. : de en
  • FR879567A - Window for watertight cabins, especially for high altitude aircraft : en fr
  • FR879563A - Converter vessels for high voltages : en fr
  • DE732320C - Cassette for x-rays of surgically exposed body parts : de en
  • PL31390B3 - : en pl
  • DE732102C - Process for the serial production of sound films with mechanical sound writing : de en
  • DE732183C - Process for the production of electrical heating resistors : de en
  • US2312055A - Compression ignition engine : en
  • DE732138C - Process for transferring and storing liquefied gases : de en
  • GB551455A - Improvements in or relating to photographic copying apparatus : en
  • DE658383C - Copier : de en
  • DE732114C - Rotogravure printing machine for printing steel or copperplate plates with elastic and automatically working wipers : de en
  • CH225879A - Electric salt bath oven. : de en
  • CH225931A - Process for the preparation of a condensation product. : de en
  • AU116570B2 - Improvements in suspension for vehicle wheels : en
  • USD135129S - Design fob a dress : en
  • GB551480A - Improvements in or relating to mills for grinding flour and the like : en
  • US2311658A - High frequency tube structure : en
  • US2311807A - Electron discharge device circuit : en
  • US2311730A - Method of making reversely folded piston rings : en
  • US2311811A - Washing machine : en
  • DE732144C - Multiple registration device for continuous, simultaneous recording of related measured quantities : de en
  • FR879526A - Process for the preparation of sulfenic acid halides : en fr
  • GR10040B - AUTOMATIC CLEANING AND THERAPEUTIC DOUBLE CURTAIN INJECTOR. : el en
  • US2311888A - Light-sensitive element : en
  • US2311978A - Powdered catalyst recovery : en
  • US2312018A - Method of and means for cleaning wells : en
  • US2311892A - Adjustable spring frame for cribs : en
  • DE732023C - Circuit arrangement for telephone systems with dialer operation and interception device : de en
  • CA410721A - Wood finishing apparatus : en fr
  • US2312262A - Antenna reel : en
  • FR879420A - Acetylene gas generator without liquid volume : en fr
  • DE732171C - Device for measuring the length of lengths of fabric : de en
  • DE732299C - Separately excited electrodynamic loudspeaker of high power : de en
  • PL31399B1 - : en pl
  • FR879547A - Installation of high voltage converters : en fr
  • GB551407A - Improved coated fabrics : en
  • PL31411B1 - : en pl
  • CH225840A - Elastic coupling. : de en
  • US2312034A - Apparatus for cooling heated material : en
  • US2311643A - Stapling machine : en
  • US2311837A - Vertical crossover elimination : en
  • DE732257C - Method and device for the production of casting and compression molds, especially for the synthetic resin industry : de en
  • FR879422A - Induction motor relay, intended in particular for the construction of loudspeakers or similar devices : en fr
  • FR879531A - Device for the production of an electric control voltage varying essentially according to an enveloping of an acoustic oscillation to accelerate, to record the reproduction of the sounds : en fr
  • FR879592A - Device and method for joining cylindrical elements : en fr
  • FR879426A - Cyclic operating sewing machine : en fr
  • US2311633A - Process of purifying fish and fish liver oils : en
  • GR10044B - METHOD FOR THE PREPARATION OF DYES OF SULFUR WOOD TREATMENT RESIDUES. : el en
  • GB551426A - A receiver for crown caps or corks removed from bottles : en
  • FR879473A - Stereoscopic camera and reproduction : en fr
  • FR879401A - Improvements to electrical switches or disconnectors : en fr
  • US2311675A - Method of sealing fiber cans : en
  • US2311783A - Method of fabricating piston rings : en
  • US2311669A - Galvanizing process and composition : en
  • US2311788A - Duplex brake : en
  • US2311884A - Fire extinguishing : en
  • US2311887A - Process for the production of tocopheryllike compounds : en
  • US2311689A - Waste heat coke oven : en
  • US2312037A - Two-color printing press : en
  • US2312062A - Electric drive : en
  • DE732119C - Circuit arrangement for suppressing interference in a receiver : de en
  • DE732041C - Process for the production of chromable dyes of the phthalein series : de en
  • DE732318C - Gold solder : de en
  • DE732347C - Cartridge filling device for various ammunition : de en
  • GB551529A - A new or improved method of making reinforced concrete structures : en
  • FR879378A - Method and device for purifying mineral oils and particularly lubricating oils : en fr
  • PL31441B1 - : en pl
  • USRE22273E - Circuit breaker control system : en
  • DE732297C - Ribbed heat exchangers, especially condensers for refrigeration machines : de en
  • US2311739A - Bed or similar spring : en
  • US2312278A - Telescoping arm for windshield wipers : en
  • GB551456A - Method for the regulation of the output of thermal power plants and arrangement for carrying out this method : en
  • USD135082S - Design for a shoe : en
  • US2312072A - Endless track for vehicles : en
  • DK60619C - Automatic Water Drain Device for Water Boilers. : da en
  • FR879446A - Variable maximum flow fuel injection device : en fr
  • US2311822A - Camera : en
  • US2311979A - Process for dehydrogenation of hydrocarbons : en
  • US2312225A - Machine for treating the edges of casings : en
  • CA410747A - Inclined earth drilling apparatus : en fr
  • FR879379A - Process and apparatus for the manufacture of liquid fuels from plants : en fr
  • FR879600A - Bicycle : en fr
  • DE732145C - Method for determining the components of a static unbalance in specific directions of the test body : de en
  • GB551525A - Separation of halide vapors : en
  • US2312128A - Voting machine : en
  • PL31448B1 - Junkers Flugzeug- und- Motorenwerke Aktiengesellschaft, Dessau Fuel injection pump for fn combustion engines : en pl
  • GB551436A - Manufacture and use of new dyes : en
  • DE732328C - Filler holder : de en
  • DE732129C - Method for determining the specific continuous bending load permitted for structural parts up to the flexural vibration strength, in which a test rod is subjected to flexural vibrations due to alternating impact loads : de en
  • DE731857C - Automatic telex exchange : de en
  • SE106663C1 - Pneumatic damping regulator for vehicles : en sv
  • US2311985A - Spoon bait : en
  • DE731972C - Process for the preparation of d 1-tocopherols : de en
  • DK60616C - Gas generator. : da en
  • DE732340C - Device for withdrawing liquid carbonic acid from containers : de en
  • GB551500A - Improvements in photographic materials containing dyes : en
  • GB551503A - Improvements in or relating to friction clutch plates : en
  • CH225937A - Ultra short wave device with adjustable wavelength. : de en
  • US2311632A - Cigar vending machine : en
  • US2311709A - Apparatus for making coated confections : en
  • US2312045A - Bottom stop for separable fasteners and the method of producing the same : en
  • US2312180A - Dispensing device : en
  • US2311917A - Process for making electrical conductors consisting of chromium oxide and titanium oxide : en
  • CH225763A - Process for the manufacture of artificial textile fibers containing at least casein. : en fr
  • US2311886A - Thermocouple assembly : en
  • US2311925A - Orthopedic appliance : en
  • US2312231A - Clothes hanger : en
  • BE448769R - Polyamide manufacturing process : en fr
  • US2311796A - Modulation of carrier frequencies : en
  • AU445342A - Improvements in oscillation generator arrangements andin frequency modulation arrangements : en
  • PL31395B1 - : en pl
  • PL31423B1 - : en pl
  • US2311688A - Door latch : en
  • US2312173A - Slitter unit assembly : en
  • USD135120S - Combined picture and photograph frame : en
  • BE448828A - : en
  • CH225743A - Heat pump system. : de en
  • BE448682A - : en
  • CA410699A - Cellulose derivative manufacture : en fr
  • CH225857A - Gas heater with pre-heating of the combustion air. : de en
  • CH225754A - Clamp for holding towels. : de en
  • CH225839A - Rolling bearing race for high speeds and high loads. : de en
  • DE732140C - Cable support for cable cars : de en
  • AU116561B2 - Bag loader : en
  • US2312191A - Steam heating system : en
  • CH225773A - Process for the production of a smoke generator for smoking meat and sausage products and smoke generator produced according to this process. : de en
  • DE732137C - Forced-through boiler with a heated drum separating steam and water, which is arranged between the evaporator section and the superheater : de en
  • AU116555B2 - Improvements relating tothe control ofthe temperature of charges supplied to internal combustion engines : en
  • CH225904A - Twisting device for the production of closures for wire tires. : de en
  • FR879373A - Transportable and autonomous hot water radiator : en fr
  • PL31415B1 - A method of preventing the formation of oxide when working with liquid zinc orthotics : en pl
  • BE448631A - Process for removing anions from diluted pectin juice acidified with mineral acid, using artificial resin exchangers : en fr
  • CA410758A - Space discharge tube : en fr
  • CH225927A - Process for obtaining the active components of Calebassen-Curare. : de en
  • FR879366A - New lighting headlight : en fr
  • GB551412A - Improvements in and relating to adhesives : en
  • FR879506A - Belt clip : en fr
  • CA410752A - Internal combustion engine control apparatus : en fr
  • PL31408B1 - : en pl
  • US2312076A - Method of treating tin : en
  • US2312083A - Electromagnetic connector : en
  • CH225915A - Train safety device with a dead man's safety device with a foot pedal on electrically operated track vehicles of railway systems equipped with the air brake. : de en
  • AU502742A - Method and apparatus for desiccating sera, biologicals andother materials : en
  • CA410696A - Transporting and dumping container : en fr
  • CH225783A - Process for the production of a new anthraquinone dye. : de en
  • CA410745A - Carrier signal radio receiver : en fr
  • CH225898A - Switching arrangement. : de en
  • GB551513A - Improvements in asbestos garments : en
  • US2312123A - Heating and air conditioning unit : en
  • FR879480A - Catalytic reduction of dinitriles to amides : en fr
  • CH225900A - Transmit / receive switch for combined wireless transmitting and receiving devices. : de en
  • GB551534A - Improvements in or relating to lock nuts : en
  • US2312252A - Sprinkler head : en
  • FR879382A - Method and apparatus for collecting cream or material adhering to the walls of containers : en fr
  • DE732330C - Shooting range equipment with retractable and retractable target : de en
  • FR879381A - Masselotage method and device for molds and ingot molds : en fr
  • DE732226C - Self-baking arc furnace electrode with sheet metal jacket, which has ribs protruding into the electrode and supplying current : de en
  • FR879569A - Method and tool for tube bending : en fr
  • FR879571A - Pressurized fluid valve : en fr
  • GB551414A - Improvements in the construction of electromagnetic slip couplings : en
  • PL31431B1 - Ringhoffer-Tatra-Werke A. G., Praga Placement of rear lighting and vehicle characters with a curved body : en pl
  • US2311651A - Container opening device : en
  • US2311909A - Light advertising device : en
  • US2311809A - Printing material : en
  • USD135083S - Design for a domestic water heater : en
  • PL31403B1 - : en pl
  • PL31426B1 - : en pl
  • GB551432A - Improvements in and relating to heavy-current electric switches : en
  • FR879414A - Articulated shoe sole : en fr
  • US2312288A - Purging air from carbonated beverage containers : en
  • GB551527A - Improvements in or relating to distant control gear for hydraulic apparatus : en
  • US2311864A - Regulator for vehicle windows or the like : en
  • FR879560A - Process for impregnating fibrous materials : en fr
  • PL31440B1 - A method of carbon enrichment in heavy liquids and an apparatus for using this method. : en pl
  • US2311680A - Mold for casting thin-walled receptacles : en
  • US2311986A - Portable electric floor lamp : en
  • US2311934A - Shipping and display package for candy suckers : en
  • US2312114A - Apparatus for food processing : en
  • US2311951A - Wall and partition assembly : en
  • US2311839A - Static current converter with voltage regulation : en
  • US2312241A - Motor speed control device : en
  • DE732149C - Lubricating oil circuit of internal combustion engines with a device for venting the lubricating oil by centrifugal effect : de en
  • FR879576A - Car for varied terrain with two or more oscillating axles with torsion bar suspension : en fr
  • FR879357A - Improvements to gasifiers : en fr
  • FR879389A - Improvements made to electrical or galvanic elements : en fr
  • FR879469A - Board and pawns for new game : en fr
  • US2311764A - Electrical apparatus : en
  • DE732194C - Bracket and power supply for piezoelectric ultrasonic transducers : de en
  • DE732108C - Floating device : de en
  • FR879435A - Protective winding for a ball of thread or string : en fr
  • PL31452B1 - Robert Bosch G, m. B. H., Stuttgart A set of injection pumps for internal combustion engines : en pl
  • FR879580A - Improvements to processes and apparatus for the production of lean gas : en fr
  • DE732212C - Headlight attached to the handlebar of a bicycle or motorcycle : de en
  • FR879293A - Process for preparing polymerization products : en fr
  • FR879550A - Tube or similar container with attached upper part : en fr
  • FR879468A - water-in-oil emulsions : en fr
  • GB551518A - Improvements in or relating to header or upsetting machine : en
  • US2312038A - Switch control circuit : en
  • DE732143C - Lighting device for circular levels : de en
  • FR879486A - Process for preparing nitrogenous condensation products : en fr
  • CH225884A - Equipment designed as a bed for electric hot air, light and steam baths. : de en
  • FR879475A - Device for the regulation of an electrical network quantity : en fr
  • US2311782A - Machine for treating plants : en
  • US2311838A - Mounting for fragile finials : en
  • US2312015A - Frame for dialyzing apparatus : en
  • GB551478A - Improvements in thread-cutting screws : en
  • DE732215C - Launching cup for rifle grenades : de en
  • FR879487A - Process for softening fibrous materials : en fr
  • US2311763A - Liquid pouring : en
  • CA410708A - Weeding attachment for cultivators : en fr
  • CH225755A - Bed sofa. : de en
  • CH225796A - Cinema projector. : de en
  • GB551445A - Improvements in or relating to the production of amidines : en
  • FR879599A - Terminal for electrical conductors : en fr
  • US2311660A - Can opener : en
  • US2311923A - Cough drop : en
  • US2311659A - Coin lock : en
  • US2311742A - Coin conveying card : en
  • AU116557B2 - Improvements relating to the manufacture of alternating current rectifiers : en
  • CH225903A - Box intended to contain products in the form of powder, pills, lozenges, etc. : en fr
  • CA410783A - Aircraft landing system : en fr
  • US2312121A - Tube bending jig : en
  • PL31462B1 - : en pl
  • BE448703A - : en fr
  • US2311664A - Toolbox : en
  • AU116559B2 - Improvements inthe manufacture of hose clips : en
  • FR879370A - Heat insulating plates and their manufacturing process : en fr
  • FR879528A - Process for collecting carbonic acid from fermentation tanks : en fr
  • PL31401B1 - : en pl
  • PL31434B1 - : en pl
  • US2311826A - Draft and power control appliance : en
  • CA410697A - Pump : en fr
  • PL31443B1 - : en pl
  • US2312004A - Production of photographic and cinematographic color images : en
  • BE448978A - : en fr
  • US2311723A - Sectional case : en
  • US2312032A - Preparation of new therapeutically useful heterocyclic compounds : en
  • US2311851A - Check valve device : en
  • CA410784A - Liquid filtering method : en fr
  • US2312061A - Electric drive : en
  • US2312221A - Process for treating industrial cooling water : en
  • CA410724A - Electric lamp holder : en fr
  • CH225832A - Wood splitting machine. : en fr
  • PL31405B3 - Bata, a. S., Zlin Form for embossing rubber soles on footwear : en pl
  • US2311653A - Treatment of frictional surfaces to facilitate wearing-in : en
  • US2312101A - Dynamoelectric machine : en
  • US2312107A - Automobile radio antenna : en
  • US2312270A - Blade making and resharpening machine : en
  • USD135091S - Design for an earring : en
  • US2311722A - Machine for grading eggs by weight : en
  • US2311827A - Fuel control device : en
  • US2312136A - Seam marking and measuring device : en
  • US2311718A - Receptacle for cards and providing a compartment for the personal use of operators : en
  • US2311908A - Heating oven, particularly that for hardening glass plates : en
  • US2311948A - Combination ventilator and drier : en
  • US2311740A - Transmission : en
  • DE732279C - Arrangement for producing the line pulses for the interlace method : de en
  • FR879517A - Air-depolarized galvanic cell, comprising a cup-shaped support for the depolarizing active mass : en fr
  • US2312057A - Mechanical movement : en
  • CH225860A - High voltage transformer. : de en
  • CH225875A - Contact converter with switching reactors. : de en
  • US2312219A - Aircraft propeller : en
  • GB551429A - Improvements in or relating to hydraulic couplings and brakes : en
  • US2312073A - Electromagnetic induction apparatus : en
  • DE667768C - Cigarette paper : de en
  • DE732246C - Method for the transmission of three-color television pictures according to the interlace method over a transmission path : de en
  • DE732234C - Process for the production of catalysts in which the catalytically active substance is finely distributed on aluminum oxide : de en
  • USD135092S - Poktable electric lighrinfi mture : en
  • GB551505A - Improvements in or relating to mechanical stokers : en
  • FR879403A - Device for controlling the operation of internal combustion engine plugs : en fr
  • GB551416A - Improved method of, and means for, transferring articles from one position to another on a higher level : en
  • GR10048B - MECHANICAL APPLICATIONS OF PRACTICAL NUMBERING. : el en
  • DE732128C - Extraction of beryllium or alloys containing beryllium : de en
  • DE732307C - Process for the production of astringent tannin-protein compounds : de en
  • BE448670A - : en
  • GB551405A - Manufacture of cyclopentanopolyhydrophenanthrene ketols and esters thereof : en
  • US2312043A - Power cleaver : en
  • US2312276A - Electric stop motion controller for knitting machines : en
  • DE732142C - Mass and method of making cores and molds : de en
  • DE732198C - Photographic camera with built-in electric light meter : de en
  • DE732327C - Caterpillar : de en
  • FR879597A - Mechanical-electric sound reproducer : en fr
  • CH225785A - Process for the production of a vat dye of the anthraquinone series. : de en
  • USD135094S - Design for a toy : en
  • US2311798A - Folding table : en
  • US2312086A - Mop construction and the like : en
  • USRE22274E - Electric furnace : en
  • FR879152A - : fr
  • DE732125C - Adhesive : de en
  • DE732161C - Spooling machine for the production of spools with an axially advancing winding build-up : de en
  • FR879565A - Device for indirect automatic adjustment of various sizes : en fr
  • CH225762A - Process for the production of threads with good performance properties. : de en
  • GB551516A - Improvements in the governing of a prime mover such as a turbine supplied by gas generators : en
  • FR879492A - Device for transforming fusible chemical substances into bodies of shape and dimensions which can be determined in advance : en fr
  • GB551524A - Sulphanilamide derivatives : en
  • GR10043B - METHOD AND INSTALLATION OF CONTINUOUS OPERATION FOR ONE STEP INDUSTRIAL PRODUCTION OF PURE ETHER SUITABLE FOR PHARMACEUTICAL AND MINERAL. : el en
  • DE732345C - Silencers, especially for internal combustion engines : de en
  • GB551481A - Improvements in or relating to propeller drive for marine vessels : en
  • GB551533A - A method of and means for dehydrating organic solvents, petrols, oils and the like : en
  • DE732160C - Automatic gear change transmission, especially for motor vehicles : de en
  • GB551465A - Improvements in and relating to blockbottom closures for multiply paper bags or sacks : en
  • DE732199C - Viewfinder combined with a range finder : de en
  • GB551506A - Improvements in filter grates used in funnels for filtering liquids : en
  • USD135130S - Design for a dress : en
  • CH225788A - Process for the treatment of super polyamides. : de en
  • FR879476A - Synchronization device for automobile clutches controlled by an auxiliary force : en fr
  • FR879587A - Ammonia vaporizer heater from the exhaust gases of an ammonia fueled engine : en fr
  • US2311710A - Heating system : en
  • US2311687A - Window stay : en
  • CH225836A - Device intended to be fixed on a member such as a cable or a rod. : en fr
  • US2311849A - Cooling device for printing machines : en
  • DE732201C - Cinema cassette camera : de en
  • DE732306C - Insert body for dropper bottles : de en
  • GB551406A - Improvements in or relating to multi-cylinder internal-combustion engines : en
  • FR879481A - Mechanical safety razor : en fr
  • GB551450A - Improvements in or relating to insulated electrical conductors : en
  • FR879457A - Refrigeration of pressure-resistant electrical appliances, in particular transformers : en fr
  • FR879459A - Device for adjusting the fuel injection, in the case of engines with injection of light oils, in particular in the case of aircraft engines in the idling field : en fr
  • US2312277A - Pedal : en
  • US2311863A - Oil well pump : en
  • US2311765A - Brake : en
  • US2311973A - Refrigerator car construction : en
  • USD135109S - Design for a screw machine : en
  • FR879352A - electrode for an electric discharge vessel, not intended to be used as an incandescent cathode : en fr
  • PL31455B1 - A device for mounting links on the carrying tapes of zipper closures : en pl
  • US2312201A - Pressure transmitter : en
  • FR879372A - Method of charging and using accumulator batteries intended for emergency lighting : en fr
  • DE732218C - Arrangement for converting a measured quantity into impulses, the frequency of which corresponds to the measured quantity : de en
  • DK60612C - Electric Switchgear with Electric Unloading and Magnetic Monitoring of the Switch End Positions. : da en
  • DE732141C - Equipment for gas washing, removal of volatile substances and rectification : de en
  • US2311701A - Stationary contact structure : en
  • GB551523A - Improvements in paper feeds for wrapping machines : en
  • US2311724A - X-ray tube : en
  • US2312183A - Emblem securing device : en
  • DE732232C - Process for smoldering finely chopped fossil wood : de en
  • FR879582A - New ink supply duct for stylograph : en fr
  • USD135119S - Design for a flag or similar article : en
  • US2312029A - Door hinge : en
  • CH225798A - Method of making multicolor images. : de en
  • CH225757A - Covering material for beds and the like. : de en
  • US2311729A - Method of making sheet metal piston rings : en
  • USD135085S - Design for a desk : en
  • USD135111S - Eu\sabeth doyfhs rotthws : en
  • US2312259A - Optical system : en
  • US2312132A - Currency holder : en
  • US2312001A - Production of dry alkali metal phenolates : en
  • PL31435B1 - : en pl
  • US2311936A - Engine blower control : en
  • USD135107S - Combination light fixture and ornament holder : en
  • USRE22275E - Cathode-ray tube : en
  • US2311775A - Wire drawing machine : en
  • DE731997C - System for the delivery of the conveyor wagons that collect in a sloping installation track : de en
  • FR879545A - Process for protecting metals against rust by means of phosphates : en fr
  • US2311707A - Apparatus for sealing containers : en
  • US2312019A - Railway switch operating apparatus : en
  • DE732121C - Casting mold provided with a pouring and outflow opening for liquid welding material to produce a welded connection between electrical conductors made of aluminum or other easily melting and easily oxidizing materials : de en
  • DE732224C - Switching arrangement for the equalization of the network load from motors that are fed via controllable rectifiers : de en
  • DE732301C - Flat high-frequency cable with two parallel inner conductors : de en
  • DK60613C - Device at Central Systems with automatic Connection Centers, e.g. Telephone exchanges. : da en
  • CA410741A - Engine starter gear : en fr
  • PL31453B3 - : en pl
  • US2311946A - Process and device for the representation of objects : en
  • FR879588A - Containers : en fr
  • US2312186A - Sheet glass washing apparatus : en
  • CH225765A - Sliver compactor for drafting systems for textile bottoms : de en
  • US2311983A - Jar cap : en
  • US2311786A - Closure applying mechanism : en
  • US2311671A - Manure loader : en
  • US2311965A - Hood latch : en
  • USD135098S - Design for a geographic amusement game device : en
  • US2311881A - Insulating means or cover for metal baths : en
  • US2312165A - Ski bench : en
  • GB551537A - Improvements in and relating to parachute harnesses : en
  • FR879397A - Thermostatic regulator for electrically heated enclosures : en fr
  • FR879444A - Plasticizers, gelatinizing agents and bulking agents : en fr
  • GB551360A - Improved method of treating superphosphate : en
  • FR879541A - Transmission mechanism between a driving shaft and a driving shaft and a driven shaft : en fr
  • US2311931A - Lubricant : en
  • USD135110S - Design for a dress : en
  • CA410742A - Gramophone : en fr
  • CH225806A - Rifle grenade. : de en
  • US2311708A - Flow control device : en
  • US2312181A - Multiple tube socket structure : en
  • DE732273C - Turning device for internal combustion engines : de en
  • DE732110C - Ceiling and wall plastering : de en
  • FR879418A - Self-injected vapor fuel wood gasifier : en fr
  • US2311790A - Door check : en
  • US2312118A - Adjustable woodworking machine : en
  • AU116577B2 - Improvements in or relating to machines for operating upon shoes : en
  • US2311774A - Telephone system : en
  • US2312133A - Cutting implement : en
  • USD135124S - Design fob a game board or the like : en
  • DE732154C - Machine for the production of non-round or elliptical gears by means of a hobbing cutter : de en
  • DE732156C - Machine for the continuous formation of seams on fabric panels made of thermoformable plastics : de en
  • US2311835A - Automatic lid-operating device : en
  • CA410716A - Railway car truck cushion device : en fr
  • CH225831A - Process for increasing the stress corrosion resistance of hardenable Al-Zn-Mg alloys. : de en
  • CH225740A - Wooden floor. : de en
  • PL31412B1 - : en pl
  • US2311704A - Method of making parallel fiber units : en
  • CH225819A - Method of manufacturing dials with feet, and dial with feet obtained by means of this process. : en fr
  • DE729977C - Electrostatic converter for converting direct current into alternating current : de en
  • CA410726A - Fluorescent lamp operating mechanism : en fr
  • CH225759A - Gas saving device for cooking pans. : de en
  • USD135102S - Design for a ceramic brooch pin : en
  • US2312046A - Frozen confection mold : en
  • US2311844A - Fire extinguishing system : en
  • US2311719A - Package with opener : en
  • CA410730A - Knitting machine : en fr
  • DE732334C - Conveyor chain made of round iron for scraper or baffle disc conveyor : de en
  • DK60630C - PROCEDURE FOR MANUFACTURING A CELLULOSE PRODUCT MAINLY AS A FEED OR IN SUBSTANCE FOR LIQUID FEEDS. : da en
  • DE732220C - Suction device for packaging machines : de en
  • US2312148A - Combination stepladder : en
  • CA410725A - Tubular lamp socket : en fr
  • DE729382C - Paint container for paint and spray equipment : de en
  • AU447542A - Improvements relating to the manufacture of alternating current rectifiers : en
  • DE732286C - Counter for calculating machines or cash registers : de en
  • US2311891A - Road grooving machine : en
  • CA410750A - Wood by-product recovery : en fr
  • CH225899A - Arrangement for interference suppression of electrical machines and apparatus : de en
  • CH225803A - Anti-slip device for skis. : en fr
  • CH225808A - Front sight arrangement in firearms with a barrel that can be changed quickly. : de en
  • CH225805A - A hooping process, a device for implementing this process and a hooping body obtained by this process. : en fr
  • CH225739A - Wood bond. : de en
  • CH225749A - Process for manufacturing fuel agglomerates. : en fr
  • CH225877A - Electric discharge vessel. : de en
  • FR879534A - Process for preparing succinic acid : en fr
  • FR879575A - Process for regenerating photographic films : en fr
  • US2311867A - Sheet material structure : en
  • US2312026A - Rail fastening tool : en
  • US2311631A - Discharge tube oscillator : en
  • US2312239A - Radio control apparatus : en
  • DE732147C - Potato harvester with throwing wheel : de en
  • FR879488A - Process for preparing organic derivatives of sulfuric acid : en fr
  • FR879423A - Gas mixing device with safety device by compensated valves : en fr
  • FR879530A - Telescopic tubular control bar for aircraft : en fr
  • FR879532A - Device for obtaining conical windings of wire : en fr
  • FR879583A - Concrete drainage pipe : en fr
  • GB551460A - Improvements in and relating to light reflecting or transmitting devices, particularly for optical projection apparatus : en
  • GB551459A - Improvements in amino derivative of organic acids for rubber compounding : en
  • GB551531A - Improvements in or relating to straining or filtering apparatus : en
  • CA410727A - Plasterboard punch : en fr
  • CH225891A - Device for receiving and amplifying telegraph signal streams. : de en
  • US2311882A - Acoustical toy railroad station : en
  • PL31419B1 - Oil cooler for air-cooled rear engines on airline vehicles : en pl
  • US2311803A - Reciprocating facsimile apparatus : en
  • US2312047A - Fluorine removal from phosphate liquors : en
  • US2311750A - Welding electrode : en
  • US2312269A - Setting mecba : en
  • CH225908A - Vehicle wheel. : en fr
  • US2312115A - Thread cutting machine : en
  • US2311924A - Cleaning machine : en
  • US2311713A - Catalyst and process for the preparation thereof : en
  • BE448841A - : en
  • CH225912A - Hand-powered vehicle, in particular vehicle for the disabled. : de en
  • PL31444B1 - : en pl
  • DE732185C - Electrically heated device for making coffee u. like. Aufguss : de en
  • PL31417B1 - : en pl
  • US2311800A - Communication system : en
  • US2312081A - Tie bar : en
  • FR879464A - Switched socket outlet : en fr
  • PL31396B1 - A way of conserving a tree that is difficult to saturate : en pl
  • AU259541A - Improvements in or relating to devices ofthe kind comprising discharge tube inwhich the electrons are concentrated ina beam and traverse a control space : en
  • DE732132C - Multi-wheel trailer with a stage lying deep between the outer wheels that can be turned : de en
  • FR879359A - heating element and its manufacturing process : en fr
  • DE727760C - Impeller for internal combustion turbines of larger axial length with a hub that goes through in the axial direction : de en
  • US2311682A - Automatic die press : en
  • DE732024C - Circuit arrangement for telephone systems with dialer operation : de en
  • US2312240A - Nut retainer for electrical connectors : en
  • US2312131A - Apparatus for handling mill spindle and coupling : en
  • US2311903A - Feed mechanism : en
  • US2312126A - Shock absorber for use on walking beams of drill rigs : en
  • CH225865A - Terminal with short-circuit device. : de en
  • CH225769A - Men's sports shirt. : de en
  • CH225845A - Oscillating element with adjustable frequency. : de en
  • GB551535A - Improvements in or relating to the coating of wires and the like with liquid composition : en
  • US2311922A - Tractor : en
  • CH225778A - Process for the production of a new condensation product. : de en
  • AU116569B2 - Improvements in HPMV electric discharge devices : en
  • PL31445B1 - : en pl
  • US2311672A - Electron discharge tube with fluorescent screen : en
  • PL31442B1 - : en pl
  • US2311950A - Pivoted louver with seating pad : en
  • US2312145A - Electrical signal separating circuits : en
  • FR879556A - Method and device for the manufacture of closing stoppers of cork, wood or the like : en fr
  • GB551474A - Improvements in or relating to protective spectacles : en
  • DE732118C - Arrangement for preventing self-excitation due to acoustic feedback at a telephone subscriber station : de en
  • DE732169C - Device for heating the burner of a petroleum stove : de en
  • FR879581A - Lean agglomerates of coal fines and process for their manufacture : en fr
  • CH225876A - Mercury vapor discharge vessel for direct and alternating direction. : de en
  • US2312087A - Refrigerating apparatus : en
  • DE732159C - Device for drawing compressed air from a cylinder of the internal combustion engine of motor vehicles : de en
  • PL31461B1 - Metallgesellschaft Aktiengesellschaft, Frankfurt n. M. Tank, e.g. can, made of steel or iron sheet : en pl
  • BE448912A - : en nl
  • USD135089S - Design for a brooch or similar article : en
  • DE732282C - Process for the production of liquid- and gas-tight, in particular vacuum-tight, conductor bushings : de en
  • DK60615C - Automatic Voltage regulator. : da en
  • US2311697A - Fluid segregating apparatus : en
  • US2311859A - Hitch device : en
  • US2312147A - Repeater for weft replenishing looms : en
  • US2312157A - Pressing machine : en
  • USD135108S - Tool tray or similar article : en
  • US2312238A - Dynamic loud-speaker : en
  • USD135103S - Design for a ceramic brooch pest : en
  • US2312218A - Process for bleaching wood : en
  • AU259841A - Receiving installation comprising a plurality of receiving points arranged at a distance from each other : en
  • DE730796C - Photoelectric device for checking a room for the presence of opaque objects, in particular an unlocking device in a switch machine : de en
  • DK60626C - Procedure for Operation of Internal Combustion Engines with Overload and Device for Internal Combustion Engines for Execution of the Procedure. : da en
  • CH225768A - Sack cleaner. : de en
  • US2312013A - Expansible hone : en
  • US2312113A - Condenser apparatus : en
  • CH225745A - Space heating resp. Cooling device. : de en
  • CH225837A - Device for assembling mechanical parts. : en fr
  • GB551487A - Improvements in circuit arrangements for operating electric discharge lamps : en
  • CH225826A - Lathe tailstock. : en it
  • AU355441A - Improvements in or relating to facsimile telegraph systems : en
  • CH225924A - Transformer, especially for high voltages. : de en
  • DE732241C - Electric typewriter or teleprinter : de en
  • DE732261C - Boot jack : de en
  • DE732308C - Process for the production of composite cast flange bearings : de en
  • CA410738A - Raincoat : en fr
  • CH225797A - Device for the uniform drive of a film. : de en
  • US2311994A - Gas burner : en
  • US2311754A - Manufacture of anilides : en
  • US2311751A - Telephone coin collector : en
  • US2312095A - Method of making hollow propellers : en
  • US2312229A - Method of forming fluorescent screens : en
  • US2311955A - Oxygen supply apparatus : en
  • US2312268A - Fluorescent material : en
  • USD135096S - Design fob a ceramic brooch pin : en
  • US2311711A - Refrigeration : en
  • US2311767A - Carrier : en
  • US2312185A - Hardware : en
  • US2311804A - Curvometer : en
  • PL31438B1 - A method of producing permanent colors : en pl
  • US2311869A - Apparatus for controlling well production : en
  • CH225928A - Process for the preparation of 3-oxy-4-carbaminylbenzene-1-arsic acid. : de en
  • US2312080A - Inverse feedback circuits : en
  • US2312094A - Method of making hollow propellers : en
  • CH225864A - Overhead line. : de en
  • AU116578B2 - Improvements in oscillation generator arrangements andin frequency modulation arrangements : en
  • CA410715A - Welding apparatus : en fr
  • DE732164C - Press-in device for the connector of the ends of belts or conveyor belts with their own drive : de en
  • FR879428A - Improvements to dynamo-electric machines : en fr
  • DE732157C - Process for the production of animal feed from cellulose : de en
  • US2311746A - Shoe having laminated sole and method of making the same : en
  • US2311890A - Electromagnetically operated system : en
  • DK60635C - Procedure and Forming Pipes for the Production of Piles of Concrete or Other Casting Mass in the Soil. : da en
  • FR879538A - Improvements in the carburation of internal combustion engines : en fr
  • CH225846A - Planetary gear. : de en
  • DE732205C - A torsion spring consisting of two tubular metal parts with a rubber sleeve vulcanized in between, especially for cushioning motor vehicles : de en
  • FR879559A - Process for preparing higher alcohols : en fr
  • GB551449A - Improvements relating to the mounting of platforms and the like on the sea bed : en
  • CH225736A - PTO shaft coupling for tractors for driving agricultural machines and devices. : de en
  • CH225872A - Converter with periodically actuated mechanical contacts. : de en
  • CH225776A - Process for dissolving chlorine. : de en
  • US2312198A - Coagulant and method of making same : en
  • US2312206A - Method of and apparatus for reducing halo from fluorescent screens : en
  • PL31429B1 - : en pl
  • US2311757A - Thermometric method and apparatus for exploration of boreholes : en
  • AU116576B2 - Improvements in or relating to facsimile telegraph systems : en
  • DE731878C - Hole device for registration documents, e.g. Payment cards : de en
  • FR879533A - Stereoscopic camera : en fr
  • DE732268C - Machine for covering plates made of hard rubber or the like. : de en
  • US2311885A - Seam for woven wire fabric : en
  • US2312176A - Glass drill : en
  • US2312271A - Method of locating subterranean petroleum deposits : en
  • US2312294A - Micro-projector : en
  • US2312090A - Adjustable wrench : en
  • US2312215A - Method of and machine for molding plastics : en
  • GB551515A - Improvements in aerial bombs : en
  • FR879479A - Device for producing oscillations by means of a tuning fork : en fr
  • US2311712A - Process for the preparation of catalysts : en
  • US2311901A - Air vent : en
  • US2311911A - Coating composition containing shellac : en
  • US2312139A - Stabilized regenerative circuits : en
  • FR879466A - Improvements to the spoons used for fishing voracious fish : en fr
  • FR879484A - Energy recovery assembly for relaxators generating sawtooth currents : en fr
  • FR879503A - Device for the production of endless filaments, in glass of great fineness, which can be spun : en fr
  • GB551489A - Improvements in or relating to the production of screw threads by milling : en
  • GB551526A - A non-slip tread device for attachment to vehicle wheels : en
  • CH225809A - Impact detonator, in which the detonating needle is secured by centrifugal bodies that engage in a collar of the detonating needle and at the same time are prevented from diverging by a safety strap. : de en
  • DE732134C - Device for applying finishing compound to running webs of fabric by means of atomizing nozzles : de en
  • FR879572A - Coupling device for regulators making contact without starting : en fr
  • GB551528A - Improvements in or relating to deformable diaphragms for pumps and the like : en
  • FR879443A - Two-stroke internal combustion engine : en fr
  • FR879467A - Two-stroke internal combustion engine cylinder : en fr
  • FR879363A - Quartz filter : en fr
  • GB551504A - Improvements in or relating to means for mounting sub-machine guns and other light automatic guns on motor bicycles : en
  • US2312291A - Thermostatic controls for machine tools : en
  • FR879594A - Improvements to gasifiers : en fr
  • CH225830A - Clamping device on machine tools, in particular automatic machines. : de en
  • FR879499A - Process for the preparation of water-soluble derivatives of p-aminophenyl-sulfonamide : en fr
  • GR10047B - METHOD FOR THE MANUFACTURE OF PRODUCERS OF P - AMINOVENZOLOSULPHONE AMIDE. : el en
  • DK60614C - Radio receiver with automatic fading control and with low frequency bandwidth control. : da en
  • DE732242C - Type printing telegraph receiver : de en
  • FR879449A - Arrangement for the protection of machines, devices and inverters : en fr
  • US2311642A - Electric throttle engine : en
  • US2312138A - Display device for typewriters : en
  • GB551444A - Improvements in or relating to target carrying stands and target frames carried thereon : en
  • GB551497A - Improvements in or relating to locking devices for pneumatically operated diaphragm motors : en
  • USD135115S - Design for a flag : en
  • US2311646A - Film file : en
  • GR10049B - METHOD FOR PRODUCTION OF CELLULAR MATERIAL FROM RICH IN PENTOZANA OF RAW MATERIALS, SUITABLE THROUGH VISCOSE SOLUTION. : el en
  • GB551471A - Improvements in depolarising materials : en
  • US2311703A - Flexible door and mechanism for operating the same : en
  • US2312153A - Sensitizing of silver halide emulsions : en
  • DE731589C - Infinitely variable transmission : de en
  • FR879546A - Processes for increasing efficiency and saving anticrytogamic or other slurries and powders : en fr
  • GB551540A - Improved apparatus for effecting the proportional addition of one liquid to another : en
  • DE729190C - Piston compressor for refrigeration machines with self-lubrication by the liquid refrigerant : de en
  • DE732231C - Process for making textile fabrics water repellent : de en
  • US2311930A - Measuring mercury into fluorescent lamps : en
  • DE732172C - Softening of cellulose hydrate fabrics : de en
  • US2311856A - Inertia operated control device : en
  • GB551538A - Improvements in and relating to electric lampholders : en
  • US2311741A - Production of aliphatic polyhydroxy compounds : en
  • US2312222A - Bore gauge : en
  • DE698087C - Process for the production of weft knitted fabrics on the flat weft knitting machine : de en
  • DE732146C - Hand tachometer with several adjustable measuring ranges : de en
  • DE732332C - Process for the production of copy models and templates for copy milling machines u. like : de en
  • FR879584A - Process for manufacturing mixtures of naphthalene derivatives : en fr
  • CA410720A - Propeller shaft midship mounting : en fr
  • CH225789A - Process for making thick nickel coatings. : de en
  • DK60623C - Weight with endless conveyor belt. : da en
  • US2312040A - Production of colored photographic images by color development and composition therefor : en
  • US2312223A - Heat recovery system : en
  • CH225744A - Oven insert. : de en
  • DE732329C - Projectile centrifugal slinger driven by a compressed air turbine with a rapid rate of fire : de en
  • CH225919A - Process for the production of heat-insulating, acid-free, jointless floor coverings. : de en
  • FR879447A - Magneto ignition for internal combustion engines : en fr
  • DE732239C - Process for the preparation of the alkali salts of tocopherol phosphoric ester acids : de en
  • US2311634A - Electric fence charger : en
  • US2311843A - Method and apparatus for handling and dispensing food products : en
  • US2312109A - Welding electrode : en
  • US2311661A - Condensation temperature measuring apparatus : en
  • DE690101C - Transitional connection between two vehicles coupled to one another, in particular bellows for rail vehicles : de en
  • USD135121S - Lapel ornament or similar article : en
  • CH225750A - Process for the production of high quality fuel briquettes. : de en
  • GB551512A - Polymerisation of olefines and preparation of catalysts therefor : en
  • FR879573A - Short wave lamp : en fr
  • US2311972A - Power operated window regulator : en
  • US2311768A - Casing centering device : en
  • US2311834A - Boom type excavator : en
  • CH225883A - Instrument à main for surgery dentaire. : de en
  • GB551508A - Folding relief map : en
  • GB551520A - Improvements relating to the preparation of oil paints, oil lacquers, oil enamels and the like surface-coating compositions : en
  • DE732203C - Swiveling aircraft landing gear : de en
  • CH225880A - Method and device for electro-inductive heating of metallic workpieces. : de en
  • CH225911A - Child seat for bicycles. : de en
  • FR879497A - DC cut-off device : en fr
  • GB551467A - Improvements in and relating to coating compositions for surfaces : en
  • GB551543A - Improvements in pneumatic tyres : en
  • US2312085A - Apparatus for treating galvanizing work : en
  • FR879448A - Box cover with open-closed inscriptions and device making it impossible to open the tap fraudulently : en fr
  • FR879355A - Manufacturing process for coatings without tension or cracks in organic condensation and polymerization products : en fr
  • US2312124A - Stitchdown shoe : en
  • FR879512A - Preparation of raw materials for papermaking : en fr
  • DE732168C - Lid box for packing cigarettes : de en
  • DE732181C - Coil, especially for high frequency purposes, with nested shells : de en
  • DE732184C - Electric heater for pitot tubes : de en
  • US2311919A - Device for compressing rings or the like : en
  • US2311759A - Coffee making device : en
  • US2311816A - Valve spacer for pump rods : en
  • USD135134S - Design for a dress : en
  • DE732336C - Device for the removal of flammable liquids from a storage container by means of a suction pump : de en
  • CH225934A - Process for the preparation of a condensation product. : de en
  • FR879393A - Improvements in the manufacture of saddles for cycles and the like : en fr
  • FR879548A - Manufacturing process of synthetic threads, fibers, ribbons and the like with corresponding incorporations and dies : en fr
  • US2312024A - Insulated electric conductor : en
  • FR879411A - Die connection : en fr
  • DE732174C - Forced-through pipe steam generator with an auxiliary drum installed between the evaporation section and the superheater : de en
  • US2311652A - Gyroscopic horizon : en
  • US2312216A - Flow measuring device : en
  • US2311893A - Well pumping apparatus : en
  • GB551402A - Manufacture of oxyaldehydes of the cyclopentanopolyhydrophenanthrene series or esters thereof : en
  • FR879437A - Comb shaping machine : en fr
  • CA410731A - Tooth facing and backing : en fr
  • DE732323C - Distributor of compressed air breathing apparatus attached to the belt : de en
  • FR879549A - Optical device intended to weaken light by means of polarizers : en fr
  • FR879478A - automatic gas saver : en fr
  • FR879470A - Coupling intended to transmit torque : en fr
  • CA410762A - Cyclopentano-phenanthrene compound : en fr
  • FR879474A - Manufacturing process for synthetic threads, ribbons, tapes exhibiting improved properties : en fr
  • GB551425A - Improvements in and relating to electric incandescent lamps : en
  • FR879566A - Partial coating for motorcycles : en fr
  • US2311717A - Device for holding multiple-part forms : en
  • FR879482A - Loom to gas the wire : en fr
  • DE732346C - Articulated stone coupling, especially for motor vehicles : de en
  • FR879535A - Process for preparing maleic acid : en fr
  • CH225918A - Method of combating plant pests. : de en
  • US2311823A - Fishing rod holder : en
  • US2311920A - Animal trap : en
  • DE732126C - Process for impregnating wood : de en
  • FR879453A - Insulation for winding under notch for electrical or similar machine in particular for high voltage machine : en fr
  • CH225933A - Process for the preparation of a condensation product. : de en
  • DE732312C - Method for determining carbon in metallic materials : de en
  • FR879367A - Fire extinguisher : en fr
  • US2311906A - Lead pencil : en
  • US2312190A - Loose-leaf binder : en
  • USD135105S - Design for a bottle stopper : en
  • US2311736A - Apparatus for packaging sutures : en
  • CH225829A - Process for drilling holes on a lathe and instrument for implementing this process. : en fr
  • CH225902A - Device for the electrical transmission of a quantity. : de en
  • US2311818A - Method of making brushes : en
  • DE732127C - Plasticizers for polyamides : de en
  • PL31410B1 - : en pl
  • US2312257A - Brooder : en
  • USD135087S - Design foe a shoe : en
  • US2311693A - Internal combustion engine : en
  • CH225850A - Exhaust nozzle. : de en
  • GB551403A - Improvements in or relating to mechanically propelled tipping trucks : en
  • US2312141A - Bottle capping machine : en
  • US2312177A - Multiple pocket for garments : en
  • GB551464A - Improvements in road vehicles : en
  • AU429440A - Manufacture of rubber impregnated fibrous material : en
  • CH225873A - Procedure for operating contact converters with switching reactors. : de en
  • US2312039A - Duplex metal article : en
  • DE732133C - Method and device for the magnetic processing of minerals u. Like. In the field gap between two magnetic poles and a rotating roller : de en
  • DE732195C - Switchable one-way friction clutch for shafts : de en
  • DE731812C - Automatic release for series release of loads from a moving vehicle with a timer : de en
  • FR879462A - Method and device for the preparation of high value products from peat : en fr
  • US2311907A - Constructional toy : en
  • CH225851A - Injector. : de en
  • USD135113S - Design fob a hat : en
  • US2312002A - Electrical connector : en
  • CH225761A - Method and device for producing fibers from materials that are plastic when exposed to heat, in particular from molten glass : de en
  • US2311749A - Hairpin vending machine : en
  • USD135090S - Design fob a brooch or similar article : en
  • CH225753A - Device for adjusting the opening of a secondary air inlet tube in a fireplace. : en fr
  • CH225885A - Process for the isolation of crystallized glucosides from senna drugs. : de en
  • US2311899A - Therapeutic art : en
  • USPP566P - Rose plant : en
  • US2311861A - Typewriter desk : en
  • US2312044A - Photographic developing tank : en
  • US2311977A - Ion activity measurement device : en
  • US2312067A - Liquid dispensing device : en
  • CH225869A - Time-of-flight tube with cavity resonators. : de en
  • US2311760A - Fountain toothbrush : en
  • US2312189A - Ceiling washing machine : en
  • CH225855A - Method for turning large internal combustion engines on vehicles. : de en
  • CH225881A - Noble gas discharge lamp. : de en
  • CA410751A - Printing ink : en fr
  • CH225781A - Process for the preparation of pregnanediol- (3.20). : de en
  • US2312212A - Governor : en
  • DE732178C - Automatic switch with fusible metal : de en
  • FR879440A - Elastic suspension for vehicles with wheels mounted on deflectable supports : en fr
  • CA410717A - Railway crossing gate and signal : en fr
  • CH225758A - Cleaning device, in particular for the hair of the human head. : de en
  • US2311916A - Fuel pump : en
  • CH225782A - Process for the simultaneous manufacture of melamine and deamination products thereof. : en fr
  • CA410691A - Cigarette package closure : en fr
  • PL31428B1 - : en pl
  • US2311958A - Fluid coupling : en
  • PL31427B1 - : en pl
  • USD135116S - Design for a ring : en
  • DE731858C - Circuit arrangement for company lines in telecommunications systems, especially telephone systems : de en
  • CH225767A - Method of stabilizing mixtures. : de en
  • DK60617C - Procedure for Spinning Fusible Plastics by the Rod Melting Method. : da en
  • CH225913A - Pedal cranks on bicycles. : de en
  • CA410770A - Weighing scale : en fr
  • CH225847A - Guide vane for hydraulic turbine. : en fr
  • US2311640A - Means for housing animals : en
  • US2311648A - Mercuric ore reduction furnace : en
  • USD135131S - Design fob a dress : en
  • FR879390A - Process for conditioning fermentable materials in order to promote their methane fermentation : en fr
  • GB551496A - Improvements relating to screw-thread mechanisms and particularly vehicle steering mechanisms : en
  • US2312099A - Thermostatic alarm for hot bearings : en
  • US2312265A - Fluorescent material : en
  • CH225737A - Machine with which seeds containing fruits, especially berry-like fruits, as well as fruit seeds can be processed. : de en
  • CA410706A - Fountain tooth brush : en fr
  • CH225738A - Method for protecting seeds against bird damage. : de en
  • US2311889A - Lithographic plate : en
  • US2312042A - Electric circuit for photoelectric engraving machines : en
  • BE448971A - Process for producing hair active substances : en fr
  • US2311862A - Liquid reagent feeder : en
  • US2311877A - Tubular lamp fixture : en
  • US2311971A - Semisealed closure and venting device : en
  • CH225828A - Tool for reworking long holes. : de en
  • CH225842A - Sealing device for sealing pistons, stuffing boxes or similar parts that are movable relative to other parts, with several sealing rings arranged one behind the other. : de en
  • GB551499A - A new and improved method of manufacturing corrugated rubber tubing : en
  • AU116564B2 - Absorption refrigerating apparatus : en
  • FR879514A - Process for separating hydrochloric gas and sulfur dioxide from gas mixtures : en fr
  • GB551532A - Improvements in or relating to servo-motor control mechanism : en
  • AU472342A - Improvements inthe manufacture of hose clips : en
  • CA410733A - Engine fuel injecting and metering means : en fr
  • CH225823A - Method of manufacturing composite bearing shells. : de en
  • DE732314C - Scissors with stamp cancellation device : de en
  • DK60634C - Canned food. : da en
  • AU116571B2 - An improved culinary mixing machine : en
  • US2311855A - Electrical contactor : en
  • CA410774A - Cardboard container : en fr
  • CH225786A - Process for producing a nozzle-burnable heating medium from waste acid. : de en
  • CH225892A - Monitoring device for two-wire single-current teletype connection lines. : de en
  • CA410695A - Hair curling appliance : en fr
  • US2311716A - Venetian blind slat : en
  • CA410746A - Knitting machine and method : en fr
  • CA410767A - Light reflecting and transmitting article : en fr
  • CH225849A - Internal combustion engine for operation with liquid and gaseous fuels. : de en
  • US2311691A - Automatic power transmission : en
  • US2311879A - Polishing unit : en
  • US2312246A - Electric discharge device : en
  • US2311902A - Antibacklash dial : en
  • US2311695A - Wire cutting tool : en
  • FR879427A - Device for battery charging device : en fr
  • PL31450B1 - : en pl
  • US2312156A - Controlling device : en
  • US2311639A - Earth working apparatus : en
  • US2311681A - Preparation of improved paint oils : en
  • DE732190C - Multi-plate interferometer : de en
  • DE732294C - Device for extracting e.g. Oil, fat, wax : de en
  • PL31451B1 - : en pl
  • US2311630A - Method of making shoes : en
  • US2311876A - Decoration of vitreous articles : en
  • GB551435A - Improvements in the production of coloured textile and other materials : en
  • US2311998A - Centerless turning machine : en
  • GR10045B - METHOD FOR THE PREPARATION OF SULPHONIC ACIDS. : el en
  • CH225770A - Brassiere. : de en
  • DE1529655U - Box body motor vehicle : de en
  • DE732135C - Liquid filter : de en
  • DE732315C - Rotary valve for internal combustion engines : de en
  • CH225790A - Process for the production of surface protection layers on zinc and zinc alloys. : de en
  • PL31447B1 - A method of producing a compound for coating metal objects or for other purposes : en pl
  • US2311940A - Briquetting machine : en
  • US2312077A - Process timer : en
  • FR879483A - Device eliminating the use of leather or a similar material in cycle saddles, while respecting their elasticity, and saddles thus obtained : en fr
  • DE732262C - Luffing crane with a cable guide to achieve a horizontal load path : de en
  • US2311673A - Condition control : en
  • CH225787A - Process for uniform coloring of finely divided synthetic resins suitable for the production of denture replacement parts. : de en
  • DE732290C - Hardener : de en
  • DE732217C - Encoder for generating a pulse frequency corresponding to the power factor for telemetry purposes : de en
  • DE732091C - Clamp for electrical overhead lines, especially for lines made of different metals : de en
  • DK60620C - Silo system for green fodder. : da en
  • FR879202A - : fr
  • DE732221C - Wind power machine : de en
  • GB551442A - Improvements in or relating to strip severing apparatus : en
  • GB551452A - Improvements in or relating to electric resistance grids : en
  • US2312127A - Photoelectric controlled oscillator device : en
  • GB551408A - Improvements in and relating to acid resisting cements : en
  • US2311720A - Clip for train order holders : en
  • US2312082A - Color stabilizer for oils : en
  • GB551454A - Improvements in fire hose : en
  • FR879421A - Electric water heater : en fr
  • FR879521A - Process for preparing colors containing silicates : en fr
  • US2312163A - Vehicle spring lock : en
  • US2312226A - Leno fabric : en
  • AU441042A - Improvements in or relating to coating compositions : en
  • AU116580B2 - Manufacture of rubber impregnated fibrous material : en
  • BE448895A - mine support system : en fr
  • DK60632C - Device for Motor Vehicles for Adjusting the Engine Speed. : da en
  • DE732311C - Method and device for determining the voltage absorption capacity of heated and mechanically stressed metallic bodies : de en
  • GB551514A - Improvements in metal-milling machines : en
  • US2312049A - Method and apparatus for working sheet material : en
  • US2312104A - Torque wrench : en
  • US2311797A - Rivet receiver : en
  • DE732258C - Asparagus peeler with knife carriers that are spring-loaded against the asparagus stem and arranged in a wreath : de en
  • DE731887C - Extruder for the briquetting of pulverized brown coal : de en
  • FR879496A - Toy submarine : en fr
  • GB551404A - Improvements in adhesives and coating compositions : en
  • US2312096A - Sluice box : en
  • US2311913A - Safety razor and protected blade : en
  • US2311918A - Process for making electrical conductors consisting of vanadium oxide and titanium oxide : en
  • AU442542A - An improved culinary mixing machine : en
  • US2312134A - Adjustable connecting device or similar fastener : en
  • PL31389B1 - : en pl
  • PL31402B1 - : en pl
  • PL31409B1 - : en pl
  • FR879463A - Process for the manufacture of a means for destroying red mites of honey flies : en fr
  • GR10050B - METHOD FOR TREATMENT OF CELLULOSE PRODUCTS MADE IN SOLUTION THROUGH ORGANIC OR INORGANIC ACIDS DURING THE PROCESSING OF RAW MATERIALS OR. : el en
  • DE732253C - Jewelry lighting support : de en
  • FR879511A - Sheet metal shortening machine : en fr
  • FR879593A - Process for obtaining a shiny zinc deposit by electrolysis : en fr
  • GB551417A - Improvements relating to gear-grinding and like machines : en
  • GR10039B - MULTIPURPOSE FURNITURE. : el en
  • US2312285A - Removable absorbing agent unit for gas analyzers : en
  • PL31385B1 - C. Lorenz Aktiengesellschaft, Berlin-Tempelhof Directional antenna for radiogoniometry : en pl
  • US2312084A - Line jack for electrical transmission lines : en
  • US2312273A - Stairs track : en
  • PL31430B1 - : en pl
  • US2311905A - Control mechanism for motor driven fluid measuring apparatus : en
  • US2311870A - Apparatus for and method of producing mineral wool : en
  • FR879552A - High or medium frequency neutrodyne amplifier and its use in a reflex assembly : en fr
  • CH225936A - Ultra short wave device with adjustable wavelength. : de en
  • FR879406A - Safety lock maneuverable even in the dark, without key and with secret interchangeable at will for closing doors or furniture : en fr
  • FR879578A - Carburetor-atomizer for combustible hydrocarbons : en fr
  • CH225814A - Method for marking calibration points. : de en
  • GB551542A - Improvements in or relating to bandeaux and like head coverings : en
  • US2311810A - Chair : en
  • DE732211C - Detachable rim for vehicle tires made of two individual disks : de en
  • FR879461A - Roasting or baking oven, or similar apparatus, in which a thermostat is arranged in the upper part of the baking or roasting chamber : en fr
  • GB551418A - Improvements in and relating to suspension devices : en
  • FR879551A - Basic compounds and their preparation process : en fr
  • GB551400A - Improvements in or relating to wall coverings or the like : en
  • DE732265C - Device for covering roller cores with rubber plates : de en
  • GB551438A - Improvements in or relating to method of and apparatus for presetting a textile article, and the product resulting therefrom : en
  • US2312188A - Power attachment for compost carriers : en
  • CA410778A - Magnesia refractory for bricks and furnace linings : en fr
  • CH225916A - Device for supporting retractable members on board aircraft. : en fr
  • CA410763A - Catalytic reaction controlling process : en fr
  • CA410761A - Hard wood pulp sheet xanthation method : en fr
  • CH225922A - Compensation measurement method. : de en
  • US2311745A - Mercury amalgam decomposition cell : en
  • US2312066A - Method of coloring stainless steel : en
  • CH225863A - Process for reducing the contact resistance between a liquid and a solid metal. : de en
  • US2311692A - Trimming mechanism : en
  • CH225777A - Process for the preparation of 2-methyl-2,3-dichloro-tetrahydrofuran. : de en
  • US2311733A - Paper or the like bag : en
  • US2312256A - Bucket holder : en
  • US2312098A - Ring traveler : en
  • CH225871A - Process for the production of Braun tubes to be used as electron switches. : de en
  • US2311984A - Continuous rotary heat exchanger for catalyst systems : en
  • CH225929A - Process for the preparation of a derivative of pregnendione which is substituted in the 21-position with oxygen. : de en
  • CH225779A - Process for the preparation of a mixture of a-, B- and y-carotene. : de en
  • US2312023A - Seal and tag therefor : en
  • CH225792A - Order form for rationed food. : de en
  • CH225932A - Process for the preparation of a condensation product. : de en
  • US2312020A - Treatment of hydrocarbon oils : en
  • US2312119A - Railroad flatcar : en
  • US2312120A - Apparatus for cutting metallic material : en
  • US2312142A - Stapling device : en
  • DE732324C - Impeller for retractable aircraft landing gear : de en
  • US2311781A - Synthetic resin and process of producing the same : en
  • US2312203A - Radio beacon and panoramic reception system : en
  • CA410769A - Weighing scale : en fr
  • AU116574B2 - Method and apparatus for desiccating sera, biologicals andother materials : en
  • CA410766A - Packaging and preserving method for dried biological and pharmaceutical products : en fr
  • FR879515A - Process for preparing alicyl ketones : en fr
  • US2311945A - Plow attachment : en
  • FR879471A - Process for the production of films, sheets, threads, tapes, etc. from polyamides and albuminoid substances : en fr
  • FR879358A - Cable ties with stirrup and method of manufacture : en fr
  • CH225859A - Refrigerated cabinet. : en fr
  • DE732192C - Microscope designed as a hardness tester : de en
  • US2311848A - Measuring and controlling apparatus : en
  • US2312251A - Flow regulator : en
  • DK60633C - Drive device for Motor Vehicles. : da en
  • US2311706A - Machine and apparatus for packing flour, millfeeds, and the like : en
  • US2311927A - Nonglare lighting equipment : en
  • DE726228C - Locking and braking device for artificial knee joints : de en
  • GB551472A - Improvements in modulated high frequency carrier wave signalling systems : en
  • US2311622A - Refrigerating apparatus : en
  • DE732296C - Piston engine or work machine : de en
  • US2311821A - Vehicle door handle : en
  • DE732254C - Electron tubes according to patent 715037 with one or more cathodes which have no saturation property : de en
  • CA410700A - Vehicle top outrigger mechanism : en fr
  • CH225794A - Type lever typewriter. : de en
  • DE732223C - Cooling brine : de en
  • CH225824A - Process for pressing metals or metal alloys. : de en
  • US2311683A - Airplane wing construction : en
  • US2311969A - Package labeling machine : en
  • US2312012A - Expansible hone : en
  • US2312272A - Air distributing apparatus : en
  • FR879415A - Granulated material bed filtration apparatus : en fr
  • GB551433A - Improvements in electromagnetic relays : en
  • US2311780A - Hydraulic brake pump : en
  • US2312102A - Seaming mechanism : en
  • US2312200A - Elastic pile fabric : en
  • FR879465A - Further development of duplicators and similar machines : en fr
  • FR879430A - Process for the preparation of polycondensation products : en fr
  • GR10046B - METHOD FOR PREPARATION OF ASCORBINIC ACID. : el en
  • DE732287C - Process for stabilizing the sensitometric properties of unexposed silver halide emulsions : de en
  • GB551477A - Improvements relating to cowls for chimneys and the like : en
  • US2312146A - Weft replenishing loom : en
  • US2311860A - Identification tag : en
  • GB551437A - Improvements in the manufacture of dyes : en
  • US2312031A - Automatic accelerator control : en
  • US2312006A - Catalytic conversion : en
  • DE718531C - Process for the manufacture of polarizing filters : de en
  • DE732341C - Process for the production of magnet systems made up of permanent magnetic and soft iron parts : de en
  • BE448859A - : en
  • DE732180C - Contact brush for electrical machines : de en
  • DE732277C - Process for the production of phenol : de en
  • DE732281C - Dry transducer or inductor : de en
  • FR879438A - Device for trimming combs : en fr
  • DE732158C - Protective clothing and equipment that are resistant to warfare agents : de en
  • DE732255C - Circulating compressor with means to prevent corrugation on the inner wall of the housing : de en
  • US2312050A - Railway traffic controlling apparatus : en
  • FR879391A - Vehicle accumulating energy supplied by an electricity distribution network and using it for its propulsion : en fr
  • GB551457A - Improvements in or relating to toggle fastenings : en
  • US2311696A - Interference suppressing circuit : en
  • US2311993A - Variable speed pulley drive : en
  • DE732206C - Suspension for vehicles : de en
  • DE732248C - Loudspeaker mast foot protruding above the ground : de en
  • US2311755A - Apparatus for making sheet wrapping material : en
  • US2312068A - Process for sensitizing photographic emulsions : en
  • US2312207A - Compounded oil : en
  • PL31404B1 - : en pl
  • US2311756A - Abrasive article : en
  • US2312193A - Process for preparing alkylidene derivatives of alpha-methylene monocarboxylic acids : en
  • CA410719A - Slicing machine : en fr
  • DE732233C - Fuelling container for filling vertical, narrow smoldering chambers arranged in groups : de en
  • US2311914A - Apparatus fob : en
  • PL31463B1 - : en pl
  • DE732214C - Mechanical pencil : de en
  • FR879377A - Agglomeration and molding process : en fr
  • US2311638A - Halogenated compounds containing a sterol nucleus : en
  • US2311852A - Terminal construction for lightning arresters : en
  • US2311996A - Footwear : en
  • US2312158A - Apparatus for use in photographing miniatures : en
  • US2311874A - Rail bond terminal : en
  • DE732245C - Process for the production of mosaic grids, in particular for use as a picture electrode in picture decomposition tubes : de en
  • US2312053A - Marking machine : en
  • CH225804A - Artillery equipment. : en fr
  • US2311966A - Advertising device for blades : en
  • US2311992A - System of dental prothesis : en
  • DE732130C - Dry seed dressing against cereal diseases : de en
  • US2311666A - Dam gate : en
  • US2312011A - Expansible hone : en
  • USD135088S - Design for a brooch or similar article : en
  • US2312033A - Electrical time delay means : en
  • US2312166A - Dwelling : en
  • US2311685A - Door latch : en
  • US2311761A - Bread slicing machine : en
  • US2312030A - Locking sliding seat : en
  • CH225813A - Device for testing the tensile strength of thread-like bodies. : de en
  • PL31454B1 - Friedrich Deckel Prazisions-Mechanik und Maschinenbau, Munich-7 Grinding machine, especially for tool processing : en pl
  • US2311910A - Cellulosic article : en
  • PL31414B1 - : en pl
  • US2311684A - Dynamometer type electric machine : en
  • CA410703A - Mobile snow removal unit : en fr
  • DE732115C - Method and device for the production of fertilizers and gases from sewage sludge and other waste materials : de en
  • DE732165C - Electric copy milling machine control with a two-position button : de en
  • US2312078A - Shoe upper : en
  • US2312154A - Drafting apparatus : en
  • US2312275A - Electrical system : en
  • DE732196C - Machine for batch processing of rod-shaped material : de en
  • DE732153C - Electrical switching device on milling machines with a rotary table for milling the soldering slots on collector lamellae of electrical machines : de en
  • DE732259C - Holder for stair poles : de en
  • US2312247A - Automatic radio control device : en
  • US2312202A - Container : en
  • DE732109C - Process for the production of a waterproof, fireproof and dust-free floor covering, e.g. as a base for linoleum : de en
  • CA410740A - Resilient mounting : en fr
  • US2312021A - Sheet metal brake : en
  • US2312214A - Stable formaldehyde-urea composition containing a hardener : en
  • USD135086S - Design for an epaulet : en
  • US2312296A - Method of forming coated product : en
  • US2312022A - Constant direct current source : en
  • US2312280A - Bag : en
  • CA410736A - Rubber article manufacture by dispersions : en fr
  • CH225827A - Carbide turning steel. : de en
  • US2311830A - Water purification : en
  • CA410782A - Aircraft landing system : en fr
  • US2312028A - Method of smoothing surfaces : en
  • BE448975A - : en fr
  • CH225848A - Variable pitch wind propeller. : en fr
  • US2312235A - Doorstop : en
  • US2311812A - Mileage meter : en
  • US2311840A - Variable density window : en
  • PL31400B1 - Patent-Treuhand-Gesellschaft fur elektrische Gliihlampen m. B. H., Electric high-pressure discharge lamp with a working pressure of steam exceeding 10 atmospheres, with a power of less than 200 W for direct power supply from the low voltage network : en pl
  • US2312016A - Refrigerator car construction : en
  • US2311629A - Insecticide spray material and method of making the same : en
  • US2311929A - Color inhibitor : en
  • US2312199A - Treatment of cellulosic textile materials : en
  • FR879408A - Improvements in the manufacture of flexible hoses : en fr
  • US2312167A - Circuit breaker : en
  • US2312112A - Process for acid treating petroleum oils : en
  • US2312237A - Cigarette roller : en
  • DE732270C - Wind tunnel with an energy store : de en
  • CA410737A - Phonograph control system : en fr
  • US2311842A - Brake means : en
  • US2312263A - Two-speed axle : en
  • US2312264A - Handle device : en
  • US2312250A - Bearing means : en
  • BE448606A - : en fr
  • FR879374A - Molding process for solid or hollow blanks, plates and all profiles, in all non-ferrous metals : en fr
  • FR879586A - Extendable support for tillage tools and tools equipped with this support : en fr
  • US2311743A - Safety passing and black-out light : en
  • GB551451A - Improvements in or relating to toggle fastenings : en
  • GB551440A - Process for transferring thermoplastic films to surfaces to be coated : en
  • US2312286A - Ornament for christmas trees and the like : en
  • DE731808C - Sound absorption for very high vibrations of the exhaust gases from internal combustion engines, in which the exhaust gases are divided : de en
  • DE732209C - One-piece wheel disc : de en
  • US2312152A - Rayon and method of manufacturing same : en
  • FR879505A - Support for standing bicycle and motorcycle applicable to pedals or to any part of the crank or crank : en fr
  • FR879371A - Metal formwork and its construction elements : en fr
  • DK60618C - Gripping device for shakers for pulling stems from a bundle. : da en
  • US2312258A - Coupling mechanism : en
  • DE732202C - Process to increase the fire safety of nitrocellulose films : de en
  • US2311832A - Fishing hook : en
  • US2311961A - Box binding strip : en
  • US2311853A - Fluid operated apparatus : en
  • PL31449B1 - : en pl
  • CA410704A - Fish lure : en fr
  • CH225920A - Process for the preparation of 4-3-keto-etio-cholenic acid. : de en
  • GB551470A - Improvements in or relating to the manufacture of nuts and other screwthreaded members : en
  • US2312228A - Pump : en
  • US2312093A - Radiant energy signaling system : en
  • DE732120C - Sheath for electrically isolated cables : de en
  • FR879555A - Fixed bar for children : en fr
  • DE732151C - Three-part ring spring : de en
  • FR879454A - Electric switch : en fr
  • PL31413B1 - : en pl
  • US2311799A - Garment construction : en
  • US2311954A - Apparatus for pneumatically recovering metals : en
  • US2312058A - Method of insulating and covering electrical conductors : en
  • CA410698A - Pump : en fr
  • FR879564A - Electrical machines, converters, or rectifiers with reactors to facilitate current interruption : en fr
  • DE732186C - Device for subsequent cleaning of the melting channels in induction furnaces : de en
  • DE732229C - Device for the electromagnetic separation of magnetite from Trueben : de en
  • CH225817A - Etching process for producing networks, for example optical selective networks. : en fr
  • US2311846A - Tempering glass : en
  • DE732288C - Retaining visor for weapons, especially those stored in aircraft : de en
  • DE732325C - Ground fire that is closed on all sides and can be inserted into the ground : de en
  • US2311982A - Conveyer wheel for peanut diggers : en
  • US2312003A - Machine for making the press members or base portions of electronic tubes : en
  • CA410722A - Freezing tray : en fr
  • CH225844A - Pipe connection. : de en
  • DE732342C - Method for drying rayon rolls : de en
  • US2311894A - Engine starter drive : en
  • US2312233A - Shoe stretcher : en
  • US2312179A - Combination corner and reverse bar : en
  • US2312213A - Hydraulic press : en
  • US2311900A - Barometer : en
  • US2311762A - Slicing machine : en
  • USPP567P - Peach tree : en
  • CA410739A - Hydraulic clutch control system : en fr
  • US2311654A - Roof drain : en
  • US2311679A - Clutch : en
  • US2311758A - Electrical fitting : en
  • US2312130A - Lady's handbag or pocketbook : en
  • CA410692A - Expanding reamer : en fr
  • US2311928A - Adding machine base : en
  • DE732305C - Device for the stereoscopic display of the electrical axis of the heart in the form of a resulting vector : de en
  • FR879553A - Device for measuring the quantity delivered by adjustable plunger pumps : en fr
  • GB551441A - Improved convertible cape and tent covering : en
  • CH225867A - Process for the production of tubular tungsten incandescent cathodes for electron tubes. : de en
  • FR879432A - Mechanism for placing and advancing the ribbon of typewriters : en fr
  • FR879543A - Bread cutting machine, circular knife : en fr
  • FR879412A - Use of mechanical processes reproducing sound to provide accompaniment in the performance of musical, artistic, literary works, etc. : en fr
  • PL31398B1 - : en pl
  • DE732343C - Table for office machines : de en
  • US2311871A - Pajamas : en
  • CH225895A - Intercom speaker system with conference operation. : de en
  • CH225841A - Vertically acting, hydraulically or pneumatically operated multi-plate clutch. : de en
  • CH225896A - Circuit arrangement for line selectors without control switches in telephone systems. : de en
  • GB551446A - Mortising machine : en
  • US2312070A - Frequency discriminator circuit : en
  • US2312160A - Fish handling and scaling clamp : en
  • FR879365A - Machine tool workpiece table feed control device : en fr
  • GB551536A - Improvements in and relating to electrical sockets : en
  • GB551495A - Improvements in transport vehicles for trench-mortars : en
  • CA410714A - Turning lathe : en fr
  • CA410779A - Ploughs : en fr
  • CA410729A - Hosiery : en fr
  • CH225926A - Process for the preparation of a tertiary carbinol of the cyclopentanopolyhydrophenanthrene series. : de en
  • GB551423A - Improvements relating to detonating or noise producing means for simulating the firing of a rifle or the like in mock warfare : en
  • USD135117S - Design foe a dress : en
  • USRE22276E - Fuel control foe fluid fuel buhners : en
  • BE448936A - : en fr
  • DK60624C - Apparatus for recording the sum of electrical impulses emitted by several primary measuring devices. : da en
  • US2312267A - Process for making fluorescent material : en
  • AU116558B2 - Improved sharpening machine for safety razor blades and the like : en
  • CA410693A - Steel wire heat treating method : en fr
  • US2311772A - Antiseize lubricating compound for threads and its method of preparation : en
  • FR879416A - Quiet turbo-fan for gasifier engines : en fr
  • US2311941A - Tractor : en
  • CA410709A - Double hinged box : en fr
  • GB551490A - Improvements in or relating to gearing : en
  • CH225833A - Device for molding tires. : de en
  • CH225771A - Nail for shoeing shoes. : en fr
  • CA410710A - Fish lure : en fr
  • AU116563B2 - Improvements in or relating to coating compositions : en
  • CH225756A - Upholstered furniture. : de en
  • CH225746A - Insulating material against heat and electricity. : en fr
  • AU446742A - Improvements inthe grain separation mechanism of harvester threshers : en
  • CH225856A - Method for operating a deflagration gas turbine and device for carrying out the method. : de en
  • DE732219C - Device for covering objects with layers of paint or the like by dipping : de en
  • CH225858A - Process for the generation of pressurized water vapor with complete utilization of the fuel and system for carrying out the process. : de en
  • US2312209A - Power-operated animal trap : en
  • US2312242A - Muffler : en
  • FR879585A - Improved binder, its manufacturing process and process for reducing, by using this binder, the consumption of pitch in fuel agglomerates : en fr
  • BE448868A - : en
  • CA410753A - Cutting tool : en fr
  • CH225935A - Circuit arrangement in telephone systems with dialer operation. : de en
  • DE732193C - Method for measuring flow velocities : de en
  • DE732249C - Process for amplifying impulses that differ greatly in voltage and have a steep edge : de en
  • CH225780A - Process and device for the production of chlorinated olefins from saturated chlorinated hydrocarbons. : de en
  • GB551545A - Improvements in or relating to hypodermic and like syringes : en
  • CH225748A - Mixer tap for doctors. : de en
  • GB551530A - Improvements in and relating to sock and stocking suspenders : en
  • CH225811A - Device for blocking a rod with respect to a frame, in particular applicable to blocking the measuring rod of a micrometer. : en fr
  • FR879380A - Improvement applicable to telephone microphones : en fr
  • US2311813A - Paper pulp screen : en
  • GB551507A - Improvements in packings for pistons, plungers and like members : en
  • FR879527A - Two-stroke internal combustion engine cylinder : en fr
  • GB551428A - Improved treatment of molasses for use in the manufacture of yeast and alcohol : en
  • US2311744A - Mercury amalgam decomposition cell : en
  • US2311789A - Tire iron : en
  • US2312274A - Control device : en
  • US2312293A - Structural element : en
  • AU477442A - Bag loader : en
  • US2311868A - Apparatus for controlling the flow of fluids : en
  • US2311962A - Apparatus for low temperature reduction of iron ores : en
  • DE732337C - Container for volatile flammable liquids : de en
  • FR879368A - Device for fixing parts to cables such as lugs, end pieces, fittings : en fr
  • DE732208C - Method for shortening the braking distance of motor vehicles using engine brakes : de en
  • US2311964A - Electric clock : en
  • US2312014A - Lapping apparatus : en
  • GB551424A - Improvements relating to cutting-off and like machines for metal strip and the like : en
  • DE732298C - Heating control of a moving wire or iron band : de en
  • DK60631C - Speed controller for Turbines and Engines. : da en
  • CA410713A - Collapsible play pen : en fr
  • DE732191C - Hydraulic device for generating periodically variable loads on material testing machines within controllable limits : de en
  • US2311785A - Safety pilot burner : en
  • US2311829A - Housing for electrodes of luminous tubes : en
  • FR879598A - Balanced arm for phonographs : en fr
  • US2312017A - Outlet receptacle and wall plug therefor : en
  • DE732319C - Use of cadmium-lead alloys as solder : de en
  • CA410768A - Spring testing device : en fr
  • US2311647A - Spark plug and method of making : en
  • PL31387B1 - : en pl
  • FR879516A - Process for preparing synthetic resins : en fr
  • DE732269C - Frame glasses with height-adjustable nose bridge : de en
  • CH225882A - Lighting fixtures for room lighting. : de en
  • SE106657C1 - : sv
  • US2311650A - Continuously oriented map with position indicating means : en
  • US2311904A - Machine for milling and sanding heels : en
  • US2312168A - Circuit breaker : en
  • CH225914A - Switching device for changing gear ratios on bicycles. : de en
  • US2311728A - Method of forming piston rings : en
  • US2312194A - Amplifier : en
  • USD135099S - Design fok a flashlight : en
  • US2311649A - Preselector apparatus : en
  • FR879402A - Compressor regulator : en fr
  • US2312298A - Process of preparing esters of : en
  • US2311665A - Needle threader : en
  • US2311898A - Aromatic acyloxy aliphatic nitriles : en
  • US2311989A - Multiport lift-turn valve : en
  • USD135118S - Design for a banner or the ijke : en
  • US2311815A - Bearing : en
  • GB551443A - Improvements relating to the protection of electrical apparatus from high voltage surges and the like : en
  • US2311721A - Blasting explosive assembly : en
  • GR10038B - TEACHING GAMES IN THE FORM OF DOMINON AND PLUMS. : el en
  • US2311625A - Gas purification : en
  • FR879477A - Electric shock receptacle with upright fixed in an insulating plate : en fr
  • GB551517A - Improved method of and apparatus for measuring and indicating the level and/or quantity of liquid in a container : en
  • US2312227A - Protective hat : en
  • US2311678A - Autographic register : en
  • CA410759A - Arc tube system : en fr
  • FR879519A - Shoe pad : en fr
  • US2312105A - Continuously variable gear : en
  • US2312210A - Stable formaldehyde-urea composition containing a hardening agent : en
  • CH225802A - Letter opener. : de en
  • PL31436B1 - : en pl
  • US2311836A - Means for making artificial dentures and apparatus therefor : en
  • US2311670A - Method of cleaning buildings or the like : en
  • CH225889A - Respiratory dust mask. : en fr
  • PL31425B1 - : en pl
  • USD135133S - Design fob! a dress : en
  • US2312125A - Food mixer : en
  • US2312245A - Electrode for discharge devices : en
  • CH225747A - Method and device for burning cement. : de en
  • CH225852A - Fuel injector. : de en
  • CA410781A - Aircraft landing system : en fr
  • CA410749A - Resistance welding electrode : en fr
  • AU116560B2 - Motor for food mixers and the like : en
  • FR879524A - Electric welding machine : en fr
  • US2311732A - Coin delivery chute : en
  • US2312169A - Circuit breaker : en
  • USD135122S - Lapel ornament or similar article : en
  • FR879413A - Liquid container : en fr
  • FR879510A - Grooved Wood Bottom Card Box : en fr
  • CH225764A - Cleaning device for the cylinder drafting units of spinning machines. : de en
  • US2311627A - Shingle counting device : en
  • US2311705A - High voltage high current x-ray tube : en
  • US2312110A - Rheostat : en
  • GB551409A - Improvements relating to safety devices for fluid pressure installations : en
  • GB551493A - Improvements in aircraft retractable alighting gear : en
  • US2311875A - Swivel chair action : en
  • US2311976A - ph measurement and control device : en
  • US2311944A - Starter gearing : en
  • DE732139C - Process and device for distortion-free hardening of long, round workpieces such as shafts, crankshafts, etc. : de en
  • US2311883A - Horn system and switch : en
  • US2312175A - String model of frustums of cones : en
  • US2312290A - Valve : en
  • US2311988A - Scaffolding : en
  • US2312009A - Display device : en
  • PL31446B3 - : en pl
  • US2311831A - Moistureproofing coating composition : en
  • US2312135A - Method of preparing valuable nitrogenous condensation products : en
  • USD135123S - Design for an embroidered lace : en
  • CA410705A - Ornament making apparatus : en fr
  • CH225897A - Secret telecommunication method. : en fr
  • DE732179C - Driven by a three-phase motor with sliding armature : de en
  • US2311854A - Device for making perforated resilient covered rolls : en
  • US2312129A - Strip-transfer mechanism : en
  • CH225886A - Drug carrier. : de en
  • CH225822A - Device for attaching a bracelet to a watch. : en fr
  • US2311897A - Soft collar of the turned down type : en
  • US2312230A - Catalytic conversion of hydrocarbons : en
  • PL31421B1 - : en pl
  • US2311690A - Arc quencher : en
  • US2312195A - Salts of dextro-ascorbic acid and method of preparing same : en
  • CH225741A - Wood-burning equipment that works with secondary air for stoves, boilers, stoves, etc. : de en
  • CH225784A - Process for the production of an acidic wool dye. : de en
  • CH225825A - Protective device for presses, punching machines and similar machines with motor control. : en fr
  • DE732101C - Playback device for push-pull sound recordings : de en
  • DE732167C - Rear car body design for motor vehicles : de en
  • CH225742A - Device for the supply of secondary air to the furnace combustion chamber. : de en
  • CH225888A - Atomization system for liquids. : de en
  • CH225868A - Selenium rectifier. : de en
  • FR879360A - Process for the extraction of alkaloids, glucosides and nitrogenous bases by liquid sulfur dioxide : en fr
  • FR879387A - Air rifle shooting range : en fr
  • US2311802A - Tufting machine and method : en
  • US2312182A - Photoelectric control device : en
  • US2312071A - Motor vehicle : en
  • AU386341A - Improvements in HPMV electric discharge devices : en
  • CH225917A - Equipment on aircraft to secure the landing flaps against overload by air forces. : de en
  • US2311792A - Clothesline tightener : en
  • US2311793A - Match pack : en
  • US2312092A - Molding : en
  • PL31384B1 - : en pl
  • US2311937A - Target practicing device : en
  • US2311933A - Safety pipe rack : en
  • US2312088A - Bronzing material : en
  • DE732260C - Device for juicing fruits : de en
  • CH225793A - Signaling device, in particular for card sheets from card files and visual files. : de en
  • FR879450A - Electric capacitor with dielectric transformation product of an armature : en fr
  • CH225807A - Method of filling cartridge cases with gunpowder. : de en
  • DE732267C - Method of making tubes : de en
  • CH225862A - AC power supply system, especially on aircraft. : de en
  • CH225870A - Heavy-duty anode, especially for electrical discharge vessels without artificial cooling. : de en
  • DE732204C - Switching device for fully automatic switching of magnetic clutch transmissions, especially for motor vehicles : de en
  • CA410757A - Triggered oscillator : en fr
  • US2312234A - Acceleration responsive device : en
  • CA410735A - Electric lamp holder : en fr
  • US2311987A - Valve : en
  • US2312155A - Emergency hatch and manhole cover : en
  • PL31416B1 - A method of treating vegetable fibrous material, especially phyllum fiber : en pl
  • PL31437B1 - Method for the preparation of solid diazone salts from β-amino-4-nitrilebenzenes substituted in the 2 and 5 position : en pl
  • DE732123C - Fastening of handle bottles to the end caps of fuse cartridges : de en
  • DE732278C - Process for breaking down lignite pressure extracts into a waxy and an asphalt-like part : de en
  • US2311702A - Combined friction and pin aligning device for writing machines : en
  • US2312056A - Seed-meal glue : en
  • US2312287A - Sawing attachment for tractors : en
  • CH225791A - Process for separating the easily hydrolyzable hemicellulose from cellulose material intended for processing on cellulose, such as wood, straw, grass and the like. : de en
  • US2311938A - Handkerchief fluffer : en
  • US2312063A - Antileak valve arrangement : en
  • US2312244A - Pneumatic amusement machine gun : en
  • US2311753A - Manufacture of new anilides : en
  • USD135112S - Design for a bag fastener or similar article : en
  • CA410728A - Shingle counting device : en fr
  • CH225818A - Watch movement with central seconds hand. : en fr
  • SE106617C1 - : en
  • US2311828A - Fuel control device : en
  • US2312279A - Telescoping windshield wiper arm : en
  • CH225901A - Reception chassis with built-in cross frame antenna. : de en
  • CH225905A - Automatic shut-off device intended to be inserted into a pressurized fluid line. : en fr
  • DE732107C - Suspension with air or air-fluid as a working carrier for motor vehicles : de en
  • DE732163C - Step voltage converter arrangement for high voltages for testing converters : de en
  • BE448668A - : en
  • AU116567B2 - Improvements in or relating to devices ofthe kind comprising discharge tube inwhich the electrons are concentrated ina beam and traverse a control space : en
  • AU415442A - Improvements in or relating to machines for operating upon shoes : en
  • DK60621C - Method of Making Plastic Masses of Synthetic Linear Polyamides. : da en
  • US2312178A - Electrical control circuit : en
  • PL31424B1 - : en pl
  • US2312000A - Fireplace structure and damper : en
  • US2312108A - Brush and associated dispensing means for powder material : en
  • BE448818A - : en fr
  • CH225795A - Cinematographic camera with all-round reflex screen. : de en
  • US2311637A - Accelerometer : en
  • US2311778A - Gas burner : en
  • US2312192A - Steam heating method : en
  • FR879351A - Process for preserving vegetables, fruits and similar plant foods by drying and briquettes : en fr
  • FR879385A - Soft padding device for wooden shoe sole : en fr
  • CH225866A - Mounting arrangement for high-current fuses. : de en
  • CA410744A - Phonograph magazine structure : en fr
  • FR879388A - Elastic wheel : en fr
  • FR879509A - Jumper with clamping branches for files : en fr
  • US2311779A - Insulating apparatus for electric fences : en
  • US2311841A - Collapsible combined drape and canopy : en
  • DE732189C - Eyeglass ear clips : de en
  • US2311624A - Liquid dispenser : en
  • US2311896A - Fan : en
  • FR879554A - Improvements in the production of mortar or cellular concrete : en fr
  • US2312007A - Display article and method of manufacturing same : en
  • US2312150A - Forearm or the like for firearms : en
  • DE731931C - Device for Schaeften thin veneers or the like. : de en
  • FR879431A - Device for measuring the flow rate or power absorption of a piston machine : en fr
  • DE732207C - Twin wheel arrangement for vehicles : de en
  • FR879354A - Device for heat treatment of light metals : en fr
  • FR879570A - Repeating rifle : en fr
  • USD135114S - Label or similar article : en
  • CA410711A - Thermoplastic moulding method : en fr
  • DE732228C - Wooden barrel, especially for holding liquid contents, including those with high internal overpressure, such as beer, mineral water, soda and the like. like : de en
  • CA410755A - Synthetic resin : en fr
  • US2311819A - Blast furnace cooling plate : en
  • US2311770A - Condensation derivatives of rubber : en
  • AU116579B2 - Improvements inthe grain separation mechanism of harvester threshers : en
  • DE732150C - Anniet Mother : de en
  • DE732302C - Carbon brush holders for electrical machines : de en
  • US2311967A - Horizontal swinging gate-supported yieldable barrier : en
  • US2312254A - Propeller : en
  • CA410754A - Formaldehyde-urea moulding composition : en fr
  • US2311814A - Agitating mechanism : en
  • FR879498A - Products based on wax or wax substitutes and their manufacturing process : en fr
  • FR879504A - Tear-off packaging : en fr
  • GB551453A - Improvements in or relating to screw-cutting diestocks : en
  • US2312164A - Rotary sod breaker and cultivator : en
  • US2312224A - Brake cylinder assembly and method of making same : en
  • US2312297A - Process for extracting beryllium compounds from silicate minerals : en
  • US2312205A - Oil well equipment : en
  • FR879442A - Device for closing underground airways in mines : en fr
  • GB551519A - Improvements relating to free-piston internal combustion operated air or gas compressors and gas producers : en
  • FR879404A - Method of attaching fabric, hosiery, etc. : en fr
  • GB551413A - Improvements in or relating to bearings : en
  • GB551482A - Improvements in or relating to rotary fluid pressure motors, pumps and the like : en
  • DE730802C - Fixed capacitor for high-frequency devices, especially for portable radio systems, e.g. B. artificial antennas : de en
  • US2311644A - Corrosion inhibitor : en
  • US2311752A - Piano key action testing device : en
  • US2311663A - Hose coupling : en
  • US2311776A - Method of making soldering devices : en
  • US2312208A - Compounded hydrocarbon oil : en
  • GB551510A - Improvements relating to range-finding apparatus : en
  • CH225910A - Child bike seat. : de en
  • DE732284C - Process for soaking wood : de en
  • USD135127S - Design fob, a dress : en
  • DE732117C - Iron core coil for the magnetic deflection of cathode rays for television purposes : de en
  • DE732216C - Cartridges designed for firearms, especially automatic firearms : de en
  • US2311949A - Baseball glove and mitt : en
  • CH225760A - Holder for cleaning equipment. : de en
  • DE732310C - Dew measuring device : de en
  • FR879544A - Air insulated coaxial conductors for high frequency transmissions : en fr
  • FR879433A - Arrangement for high-frequency heating of ribbon-shaped metals : en fr
  • FR879590A - Devices for determining the characteristics of a dipole : en fr
  • US2312300A - Stop light for vehicles and trailers : en
  • US2312010A - Photometer : en
  • FR879383A - Printing counter : en fr
  • GB551410A - Vulcanization of rubber : en
  • FR879458A - Shut-off device for electrical switching and switching devices : en fr
  • DE732210C - Twin wheel arrangement with independently rotatable single wheels : de en
  • GB551473A - Improvements in or relating to light filters for increasing visibility : en
  • US2311847A - Lady's pocketbook : en
  • PL31458B1 - : en pl
  • PL31420B1 - : en pl
  • FR879394A - Automobile tractor : en fr
  • US2311817A - Cocktail bar : en
  • FR879523A - Process of extracting a metal from the gangue which contains it : en fr
  • US2311872A - Antenna system : en
  • US2311880A - Automobile frame : en
  • US2312137A - Job cost recorder : en
  • US2311959A - Shoe construction : en
  • GB551427A - Improvements relating to the shaping of thin metal tubes : en
  • GB551511A - Improvements relating to the treatment of textile fibres, yarns and fabrics : en
  • FR879445A - Elastic pin for electrical contact plug : en fr
  • FR879507A - Transformer for supplying contact converters with switching reactors : en fr
  • US2311939A - Fuel pump : en
  • US2312248A - Crankshaft lathe : en
  • DE759400C - OIL WIPER RING, IN PARTICULAR FOR PISTON VAN COMBUSTION MACHINES : de en
  • GB551463A - Improvements in or relating to the manufacture of trapezoidal or other shaped driving belts for v groove pulleys : en
  • FR879356A - Device for the protection of animals against combat gases : en fr
  • DE732116C - Arrangement for the separation of picture content characters and synchronization pulses in television, which differ in amplitude from each other : de en
  • DE732285C - Device for generating short-term exposures for stroboscopic purposes : de en
  • CH225838A - Device for the transmission of adjustment movements. : de en
  • US2312060A - Can-arranging apparatus : en
  • DE732326C - Spring-loaded wheel with a rigid rim : de en
  • CH225812A - Holder for dial indicators. : de en
  • FR879490A - Vertical file with unstaged maps standing one behind the other : en fr
  • FR879577A - Further training in the manufacture of metal tools for machine tools : en fr
  • FR879419A - Multi-use electric stove : en fr
  • FR879452A - equipment for the treatment of any material by oscillatory movements or shaking of a vibrating body : en fr
  • CH225843A - Articulated screw socket pipe connection. : de en
  • FR879525A - Tanning agents and process for preparing such bodies : en fr
  • FR879557A - Antenna system : en fr
  • GB551420A - Improvements in or relating to hoods or canopies intended to be suspended or fixed above cooking or other similar appliances : en