• CA419217A - Radio shielding device : en fr
  • US2344520A - Airplane air brake : en
  • CA419194A - Laminating machine : en fr
  • US2344609A - Printing press : en
  • US2344756A - Optical objective : en
  • US2344785A - Photopolymerization method : en
  • CA419205A - Loose leaf binder : en fr
  • USD137499S - Embroidered trimming or similar article : en
  • US2344627A - Computing machine : en
  • US2344768A - Fluid operated means for controlling apparatus at a distance : en
  • US2344922A - Refrigeration : en
  • DE745302C - Safety gear for the shooter driver : de en
  • CA419191A - Railway switch and signal control system : en fr
  • US2344806A - Automobile door lock : en
  • US2344888A - Centrifugal separator : en
  • AU118267B2 - Improved meat hook : en
  • CA419195A - Accoustical construction : en fr
  • US2344771A - Method of determining the volume of the annular space between the casing and wall of boreholes : en
  • US2344883A - Lipstick : en
  • AU118242B2 - Improved spinning apparatus for use with games of chance : en
  • US2344764A - Crawler tractor : en
  • US2344897A - Plane : en
  • DE745264C - Process for the separation of glucose and fructose : de en
  • GB560205A - Improvements relating to the formation of sockets on the ends of metal pipes and tubes : en
  • AU856043A - Improved method of, and apparatus and material for, marking the light part to indicate the heavy part causing vibrations and oscillations of rotatable articles, andother like uses : en
  • FR891883A - Device for adjusting the braking force as a function of adhesion, applicable in particular to vehicles on rails : en fr
  • AU698842A - Annaratus for the recovery of volatilizable metals : en
  • CA419181A - Shovelling machine : en fr
  • CA419153A - Snap-acting link : en fr
  • USD137502S - Design for a deep water fishing tackle : en
  • US2344863A - Internal combustion engine : en
  • DE745507C - Writing device for recording instruments : de en
  • US2344787A - Antipound pump pressure equalizer : en
  • US2344858A - Brake cylinder device : en
  • GB560130A - Improvements in or relating to brushes : en
  • US2344625A - New hydroxy-anilido-naphthalenesulphonamides : en
  • US2344676A - Process for producing a resin of the indene-styrene-homolog coumarone type : en
  • US2344647A - Method and apparatus for making strain gauges : en
  • US2344543A - Re-entrant window for X-ray apparatus : en
  • US2344663A - Subsurface crop harvester : en
  • CA419206A - Resilient pipe joint : en fr
  • GB560140A - Improvements in or relating to transmitting tubes : en
  • FR891835A - Chuck jaw play take-up device : en fr
  • US2344697A - Noise reduction system : en
  • US2344908A - Electric hair-waving device : en
  • US2344872A - Preparation of ethyl mercury salts : en
  • USD137498S - Design for a picture frame : en
  • GB560112A - Improvements in or relating to steering gear for vehicles : en
  • FR891891A - Continuous kilns for ceramic firing : en fr
  • GB560122A - Improvements in or relating to electric signal transmission circuits : en
  • GB560215A - Improvements in or relating to life-raft and life-boat stowages on board vessels : en
  • GB560138A - A centrifugal moulding machine for the production of pipes, masts and the like : en
  • DE745255C - Portable signaling device for motor vehicles that can be connected to the battery of the vehicle by means of a cable : de en
  • FR891957A - Tubes with non-circular cross-section for the introduction of certain metals into melting beds, or any other similar application involving sectioning : en fr
  • DE745319C - Telegraph device for secret telegraphy : de en
  • FR891993A - Protection device against interference for static or rotary electrical converters or electrical machines with periodically actuated contacts : en fr
  • FR891850A - New slide rule : en fr
  • US2344572A - Machine for expanding hollow articles : en
  • GR10241B - INFRASTRUCTURE INTEGRATION AFTER ROPE FOR THE MAKING OF FOOTWEAR. : el en
  • US2344558A - Photographic enlarger : en
  • US2344741A - Tunable high frequency circuits : en
  • US2344828A - Control system : en
  • FR891864A - Steam boiler : en fr
  • FR891919A - Method of assembly of the different sections of transport chutes : en fr
  • FR891894A - Protection device for electric motors : en fr
  • DE745711C - Hammer mechanism : de en
  • US2344550A - Abrading tool : en
  • USD137517S - Design for a woven braid : en
  • US2344561A - Bidet : en
  • FR891868A - Tare slider device for weighing instruments : en fr
  • US2344915A - Garment construction : en
  • US2344595A - Indicator micrometer : en
  • US2344637A - Vehicle direction signaling system : en
  • FR891860A - Process for the recovery of special metals contained in metal waste : en fr
  • DE745307C - Production of tetraalkali pyrophosphate : de en
  • GB560194A - Improvements relating to hydraulic damping devices : en
  • DE745260C - Device for connecting skis : de en
  • FR891828A - Method of manufacturing a braid or ribbon and resulting product : en fr
  • GB560188A - Improvements in or relating to apparatus for heating billets or other workpieces : en
  • US2344596A - Gauging and sorting machine : en
  • GB560116A - Production of pattern effects on cellulose ester or ether materials : en
  • DE745708C - Loading device for the top rollers of two roller pairs of a drafting system : de en
  • FR891764A - Magnetic speed regulator, frictionless, for watch movements : en fr
  • FR891825A - Mobile gasifier for high ash fuels : en fr
  • GB560136A - Protective device for skis : en
  • GB560217A - Improvements in electric switchgear structures : en
  • US2344515A - Means and method for increasing the magnus effect : en
  • US2344518A - High power neon timing lamp : en
  • US2344753A - Balancing machine : en
  • FR891769A - Mechanical razor : en fr
  • GB560210A - Improvements in or relating to ammunition belts for machine-guns and the like : en
  • GB560222A - Improvements relating to concrete constructional members : en
  • FR891766A - Gas detection and alarm device : en fr
  • FR891995A - Highly Polymeric Linear Polyamides Manufacturing Process : en fr
  • GB560079A - Improvements relating to electric relays : en
  • CA419221A - Mineral coating composition preparing apparatus : en fr
  • FR891832A - Improvements in the assembly and operation of weft thread regulators for multi-weft shuttle-less looms : en fr
  • US2344848A - Steering gear : en
  • US2344743A - Forming method and apparatus : en
  • FR891770A - Removable cuff for shirts, blouses and the like : en fr
  • FR891970A - Contact bank for selectors : en fr
  • GB560191A - Improvements in or relating to a sheet metal can body : en
  • GB560180A - Improvements in or relating to means for producing alternating current of constant voltage and frequency from variable speed generating means : en
  • FR891844A - Manufacturing process for rheostats intended more particularly (but not exclusively) for adjusting the light intensity of an incandescent electric lamp : en fr
  • DE745236C - Power converter, converter or electrical machine with mechanical, synchronously driven contacts : de en
  • CA419161A - Thermostat : en fr
  • CA419215A - Motor fuel : en fr
  • US2344770A - Catalyst regeneration control : en
  • BE454289A - : en fr
  • US2344668A - Sighting device : en
  • US2344696A - Latch operating device : en
  • DE745573C - Electromagnetic quick release and time release with a motor whose number of revolutions results in the time delay for the release : de en
  • US2344570A - Fastener : en
  • FR891941A - Monoanode tank with liquid cathode for current rectifier : en fr
  • DK62054C - Upper part for Valves with visible, rising Spindle. : da en
  • AU118254B2 - An improved cigarette or like lighter : en
  • CA419131A - Surface covering composition : en fr
  • US2344870A - Brake control means : en
  • US2344892A - Manufacture of spun artificial fibers : en
  • CA419139A - Impulse repeater : en fr
  • AU736142A - Improvements in or relating to methods of and means for effecting the evaporation of water andthe like : en
  • US2344744A - Gas lift pump : en
  • US2344860A - Permutation lock : en
  • FR891841A - Grid type chimney heating installation : en fr
  • US2344524A - Doorstop : en
  • FR891973A - Projectile fuze incorporating a centrifugal element : en fr
  • GB560083A - Improvements in, or relating to, cardboard and the like cases : en
  • US2344779A - Machine for making hollow bodies : en
  • FR891988A - Device for modifying the damping of a tuned oscillator circuit without influencing its tuning : en fr
  • FR891977A - Very high vacuum seal : en fr
  • CA419113A - Manure loader : en fr
  • US2344791A - Separation of phenol from salicylaldehyde : en
  • FR891858A - Device for launching and guiding toy vehicles such as airplanes : en fr
  • US2344527A - Friction clutch : en
  • US2344761A - Airway traffic control system : en
  • DE745721C - Device for cleaning electrodes for electrical monitoring of the composition of liquids : de en
  • FR891753A - Articulated wooden sole : en fr
  • US2344701A - Roller : en
  • FR891774A - Garbage van : en fr
  • FR891755A - Tire for wheels of cycles, motorcycles, trailers and all similar vehicles : en fr
  • FR891819A - Modulated current reproducing apparatus : en fr
  • FR891874A - Solid fuel manufacturing process : en fr
  • DE745613C - Electrical switch with arc extinguishing by a gas extinguishing agent : de en
  • FR891898A - Sound recording process : en fr
  • GB560085A - Improvements in and relating to tractors : en
  • FR891994A - Filter for the intake air of internal combustion engines : en fr
  • US2344489A - Light stabilized vinylidene chloride product : en
  • US2344687A - Pump plunger : en
  • US2344745A - Electrical circuit : en
  • US2344725A - Jar : en
  • US2344729A - Folding beach chair : en
  • FR891749A - : fr
  • GB560174A - Improvements in ranges, stoves, boilers and the like : en
  • FR891834A - Improvements to switches and electrical switches : en fr
  • US2344500A - Signaling system : en
  • US2344921A - Trailer stabilizer : en
  • GB560127A - Improvements in grip adaptors for pop riveters : en
  • FR891856A - Pole cutting machine : en fr
  • FR891788A - Card game box serving as mechanical marks for bridge and all other card games : en fr
  • DK62040C - Procedure for Manufacturing Galvanic Drying Elements and Drying Elements Manufactured by the Procedure. : da en
  • FR891964A - Winding head for winding glass yarns and similar materials : en fr
  • FR891940A - High quality heat refractory impregnation process for electrical engineering insulators : en fr
  • US2344710A - Film developing cage : en
  • US2344798A - Manufacture of organic esters : en
  • DE745363C - Process for the flotation of polar non-ores : de en
  • GB560141A - Welding apparatus : en
  • US2344728A - Switch and signal control system for railroads : en
  • FR891879A - Stove : en fr
  • FR891990A - Lipstick : en fr
  • GB560177A - Improvements in or relating to method for gas expanding closed cell cellular rubber : en
  • CA419174A - Motor speed control system : en fr
  • US2344730A - Army tank : en
  • CA419239A - Abrasive manufacture : en fr
  • US2344486A - Filling and strainer device : en
  • US2344739A - Coupling device : en
  • US2344937A - Holder for ice cream cones : en
  • USD137510S - Design fqb an infant feeding bottle : en
  • US2344784A - Method of preparing guanamines : en
  • GB560159A - Improved wood wool cutting machine : en
  • GB560165A - Improvements in or relating to the manufacture of pentaerythritol : en
  • USD137487S - Van cleef : en
  • US2344927A - Hat cover : en
  • DE745262C - Device for binding bundled letters, documents or similar objects : de en
  • DE745647C - Stacked capacitor made of layered insulating material plates with interposed assignments and a protective coating made of varnish or the like. : de en
  • GB560115A - Improvements in or relating to cellulose ether compositions : en
  • FR891870A - Reverse smoke dryer-smokehouse for fish, meat and similar products : en fr
  • FR891956A - Process for introducing combustible substances which decompose easily in air into metallic melting beds : en fr
  • CA419127A - Binder knotter grain spring : en fr
  • DE745709C - Nut lock washer for slides with horizontal connecting bolts, which is set as a stop by an approach to be bent at an angle : de en
  • FR891795A - Manufacturing process of wristwatches : en fr
  • US2344731A - Detected frequency modulated wave amplifier : en
  • FR891855A - Seat cushion : en fr
  • FR891908A - Gas and air mixer for gas engines operating by suction, in particular those with less than four cylinders : en fr
  • FR891863A - Improvements in electronic voltmeters : en fr
  • DE745252C - Process for the production of animal feed : de en
  • GB560143A - A process for improving the colouring of articles, substances or materials by treatment with liquids : en
  • CA419208A - High octane blending stock production : en fr
  • USD137491S - Design for a fajama ensemble : en
  • US2344487A - Method of preparing printing plates : en
  • US2344497A - Time and production recorder : en
  • US2344813A - Radio repeater : en
  • US2344909A - Deep well screen : en
  • FR891986A - Riveting machine comprising several lower tool holders : en fr
  • USD137518S - Sewing machine feeding attachment for producing spiral stitching : en
  • AU881143A - Improved laundry iron : en
  • IE18081L - Reflection type oscillation generators : en
  • DE745398C - Treating grain or the like : de en
  • FR891885A - Advanced tools for injecting posts : en fr
  • AU765342A - Improvements relating to telephone and like impulsing systems : en
  • CA419158A - Motor control system : en fr
  • DE745629C - Electric teletypewriter : de en
  • US2344901A - Method and apparatus for making flavored confections : en
  • DK62047C - Procedure for the manufacture of durable, physiologically effective preparations of animal or vegetable cell tissue. : da en
  • FR891768A - Gas dryer for gasifiers : en fr
  • FR891777A - Method for simultaneously loading several associated containers with cement or any other disintegrating material : en fr
  • GB560100A - Improvements in or relating to the manufacture of n-substituted amides : en
  • US2344878A - Micrometer height gauge : en
  • AU118266B2 - Improved process forthe conversion of grain, flour andthe like into a solution for fermentation : en
  • DK62036C - Braking device for railway freight wagons with variable gear ratio in the brake rod system. : da en
  • GB560153A - Improvements in or relating to radio and television receivers : en
  • US2344924A - Method and apparatus for crowning piston rings : en
  • AU118248B2 - A device for accurately indicating the height of water or fluids with respect toa datum or standard height : en
  • US2344766A - Telephone cord connecting block : en
  • US2344829A - Target carrier : en
  • US2344869A - Piston mechanism : en
  • GB560088A - Improvements relating to securing tubes of thermo-plastic material to metal ferrulesand the like : en
  • US2344624A - Sulphur dyes of the hydroxy-anilino-naphthalene-sulphonamide type : en
  • US2344763A - Safety operating control for machines : en
  • CA419117A - Plastic bituminous insulating composition : en fr
  • US2344658A - Valve control means : en
  • AU801843A - Improved method of chlorinating maleic anhydride to produce dichlorosuccinic anhydride : en
  • US2344605A - Dental tool : en
  • US2344852A - Container : en
  • US2344933A - Brake construction : en
  • CA419214A - Dandy roll for paper making : en fr
  • AU123402B2 - Improvements in or relating to means for effecting additive, totalising and like operations : en
  • AU859143A - Improvements in outlet valves for irrigation systems andthe like : en
  • US2344866A - Gauge : en
  • GB560095A - Improvements relating to the manufacture of materials comprising mineral wool : en
  • GB560187A - Means for retaining sheets upon drawing boards : en
  • US2344588A - Heat transfer device : en
  • US2344709A - Mastic composition : en
  • USD137500S - Design fob a billfold : en
  • US2344879A - Rotary fluid pressure motor, pump, and the like : en
  • US2344648A - Moistureproof strain gauge : en
  • US2344691A - Brake : en
  • US2344816A - Broom holder : en
  • AU853943A - An improved device for inserting rings in inflations of milking machines : en
  • CA419148A - Thermostat : en fr
  • DE745373C - Process for the preparation of water-soluble acylaminoazo dyes : de en
  • FR891945A - Corpuscular ray apparatus connected to a vacuum pump : en fr
  • CA419123A - Permanent magnet chuck : en fr
  • CA419219A - Hydrocarbon oil catalytic conversion : en fr
  • GB560203A - Improvements relating to filters : en
  • CA419171A - Transformer operating device : en fr
  • CA419240A - Alloy low in carbon : en fr
  • CA419155A - Combined heat element and baffle : en fr
  • CA419132A - Portland cement mixture plasticity increasing method : en fr
  • GB560114A - An automatic machine for operating on workpieces : en
  • FR891754A - New food flour : en fr
  • FR891955A - Process for introducing combustible substances which easily decompose in air into metal melting beds : en fr
  • CA419125A - Material handling apparatus : en fr
  • AU118268B2 - Improvements in diaries, notebooks andthe like : en
  • CA419128A - Radio modulation system : en fr
  • US2344509A - Multiple tool holder : en
  • US2344708A - Protective coating composition : en
  • FR891928A - Device suitable for connecting members of a sliding table carrying tools for machine tools, in particular milling machines : en fr
  • FR891814A - Food drink desulphitation process : en fr
  • US2344601A - Treatment of fibrous glass : en
  • US2344686A - Paper drier and method : en
  • US2344821A - Power shovel : en
  • US2344645A - Photographic shutter operating mechanism : en
  • DE745266C - Process for producing colored images : de en
  • US2344512A - Fluid meter : en
  • US2344910A - Method of sweetening hydrocarbon oils : en
  • US2344773A - Foot covering : en
  • CA419216A - Flanged tubing manufacture : en fr
  • US2344639A - Illuminated display device : en
  • US2344845A - Apron : en
  • USD137509S - Design for a shirt : en
  • USD137512S - Design for a container for capsules : en
  • USD137494S - Design for a suit : en
  • FR891797A - Low or no hinge moment high lift device for aerodynes : en fr
  • FR891812A - Accumulation stove : en fr
  • FR891861A - Device for electrifying guard or protection fences, as well as doors, windows and other closures : en fr
  • FR891997A - Improvements to incandescent electric lamps or discharge tubes : en fr
  • US2344917A - Flexible shaft winding tool : en
  • DE745222C - Process for smoldering fuels, in particular bituminous slates : de en
  • GB560161A - Improvements relating to retardation or acceleration controllers : en
  • US2344564A - Acetylene generator : en
  • US2344565A - Fuel injector for diesel engines and the like : en
  • US2344769A - Detachable transfer pocket : en
  • US2344836A - Bread molding machine : en
  • GB560108A - Magnesium alloy : en
  • FR891934A - Lubricant : en fr
  • GB560121A - Improvements in and relating to the treatment of cellulose textile materials : en
  • FR891902A - Process for obtaining yeast products without taste or odor : en fr
  • FR891845A - Improvements to wood gasifiers : en fr
  • GB560157A - Improvements in means for feeding articles, such as bottles, to a machine : en
  • FR891829A - Optical assembly for magnification of the reading of dial devices : en fr
  • FR891901A - Undershirt : en fr
  • FR891826A - Gearbox : en fr
  • USD137501S - Design for a pair of spectacles : en
  • USPP620P - Rose plant : en
  • DE745242C - Use of Fe O obtained unsintered by known processes as a gas cleaning compound : de en
  • FR891849A - New Toys Obtained From Plate Materials : en fr
  • FR891889A - Method and apparatus for the construction of concrete elements whose reinforcements are subjected to preliminary tension : en fr
  • US2344669A - Dust respirator : en
  • FR891798A - Reduced wheelbase tractor : en fr
  • DK62046C - Method for Preparing a Liquid Ferrous Salt Preparation for Pharmaceutical Use. : da en
  • GB560189A - Improvements in or relating to electric induction heating apparatus : en
  • US2344536A - Space sterilization : en
  • US2344849A - Copyholding appliance and copies for use in engraving machines : en
  • US2344750A - Cutter chain : en
  • FR891912A - Improvements to devices for supplying cooling air to the engine chamber in motor vehicles with rear engines : en fr
  • FR891983A - Hand-held device for cutting tickets from a sheet of paper or cardboard : en fr
  • FR891854A - Manufacturing process and application of a liquid glue for sizing fabric meshes made of natural or artificial textile fibers : en fr
  • FR891878A - Method of using, simultaneously or separately, the calorific effect and the anti-knock effect of the exhaust gases : en fr
  • US2344677A - Tire patch : en
  • DE745303C - Device for foam destruction on swimming pool treatment plants : de en
  • FR891998A - Fuel injection pump : en fr
  • FR891887A - Removable and interchangeable heel : en fr
  • FR891978A - Device for carrying out continuous chemical reactions : en fr
  • FR891813A - Process for decorating in several colors parts or objects in aluminum or aluminum alloy and resulting products : en fr
  • FR891877A - Slow blow fuse for circuit breakers : en fr
  • FR891951A - Improvements to processes and equipment for transforming resinous products into oils : en fr
  • FR891784A - Improvements to the brakes of bicycles, motorcycles, tandems or similar or derived : en fr
  • DE745201C - Cash register or accounting machine with split amount keypad : de en
  • DE745209C - Shoe lasting machine : de en
  • US2344721A - Lease forming attachment : en
  • US2344782A - Pier : en
  • FR891837A - Household screening device : en fr
  • CA419186A - Polonium recovery : en fr
  • US2344719A - Spectrochemical analysis method : en
  • CA419223A - Radio permeability tuning device : en fr
  • CA419178A - Beet lifter : en fr
  • CA419141A - Reversible steering mechanism : en fr
  • US2344667A - Feeler construction for package : en
  • US2344566A - Gun mounting : en
  • CA419116A - Cigarette lighter : en fr
  • CA419120A - Oil-soluble phenolic resin : en fr
  • GB560171A - Improvements in and relating to the manufacture of insulators of ceramic material : en
  • AU878943A - An improved cigarette or like lighter : en
  • US2344792A - Motor control mechanism for printing telegraph apparatus : en
  • FR891953A - Process for the continuous precipitation and treatment of aqueous emulsions of highly polymerized substances : en fr
  • GB560168A - Improvements in or relating to the treatment of fabrics : en
  • US2344586A - Strand covering apparatus : en
  • CA419100A - Concrete slab or block : en fr
  • CA419154A - Differential relay and transformer : en fr
  • DE745725C - Connection sleeve for insulating pipes with several channels designed to accommodate bare electrical lines : de en
  • US2344678A - Frequency divider network : en
  • US2344705A - Hood latch for horizontally hinged hood closures : en
  • CA419203A - Control track sound reproducer : en fr
  • DE745309C - Device for the extraction of table salt or similar substances from the saturated solutions : de en
  • CA419164A - Inverted thermostat dial : en fr
  • FR891787A - Improvements to wooden clamps or similar : en fr
  • GB560185A - Improvements in front forks for cycles and motor-cycles : en
  • CA419152A - Heater unit : en fr
  • DE745316C - Automatic braking system for closed car trains, in particular conveyor wagons, in mining operations : de en
  • FR891888A - Process for preparing high fineness powders by sedimentation and fractionation : en fr
  • FR891989A - Device for transforming an electric voltage in sawtooth, of fairly low frequency, into a sawtooth current : en fr
  • US2344800A - Cabinet : en
  • US2344646A - Sound recording apparatus : en
  • FR891899A - Photographic or cinematographic camera comprising a photoelectric light meter : en fr
  • FR891982A - Machine for capping bottles with a metal cap : en fr
  • GB560173A - Improvements in the production of photographic silver images in blue-black tones : en
  • US2344585A - Device for analyzing perforated data appearing in adjacent fields of record media : en
  • US2344839A - Evaporator : en
  • CA419200A - Screen throwout mechanism : en fr
  • FR891897A - Press to paste, cut and scrape films : en fr
  • AU118246B2 - An improved device for inserting rings in inflations of milking machines : en
  • US2344811A - Insect-repelling fabric and garment : en
  • USPP619P - baxter : en
  • DE745615C - Coin pocket for self-sellers : de en
  • CA419196A - Resin impregnated compressed wood material manufacture : en fr
  • FR891915A - Fluorescent screen feeler : en fr
  • US2344553A - Process for the production of metatitanic acid : en
  • US2344608A - Controlling system : en
  • US2344805A - Automobile door lock : en
  • US2344862A - Narrow fabric package : en
  • US2344895A - Basic calcium arsenate : en
  • US2344555A - Heating and cooling system : en
  • CA419226A - Impeller starting and governing device : en fr
  • US2344934A - Quaternary nitrogen condensation products of methylol urea ethers : en
  • CA419165A - Motor control system : en fr
  • DE745734C - Tariff device : de en
  • DK62039C - Overlay receiver which, with the help of a Station Selector, can be automatically tuned to a Number of Predefined Stations. : da en
  • FR891869A - Silicate composition for glues, mastics, cements, etc. : en fr
  • FR891802A - Air intake and adjustment device for combustion engines regardless of the type of fuel used : en fr
  • DE745732C - Process for stretching metallic bronze powders : de en
  • CA419207A - Hydrocarbon vapour processing : en fr
  • GB560186A - Improvements in or relating to terrestrial and/or celestial globes : en
  • GB560151A - Improvements in or relating to couplings for the pipe lines of fluid pressure braking systems : en
  • GB560178A - Improvements in or relating to sparking plugs : en
  • GB560202A - Filters using rigid porous materials : en
  • FR891972A - Device intended to compensate for the pressure exerted by the wind on mounted weapons, in airplanes, on turret mounts : en fr
  • GB560166A - Improvements in or relating to the oxidation of unsaturated aldehydes : en
  • GB560211A - Improvements in and relating to tippler apparatus for discharging the contents of wagons and the like : en
  • DK62049C - Method and Apparatus for Sterilizing Organic Substances, In particular Surgical Sutures. : da en
  • FR891916A - Device automatically ensuring the circulation of lubricant in the event of clogging of filters mounted on internal combustion engines, in particular aircraft engines : en fr
  • US2344587A - Winch construction : en
  • GB560106A - Improvements in or relating to parachute-fitted containers for military or other purposes : en
  • USD137515S - Randolph convertible furniture unit : en
  • CA419119A - Electric egg cooker : en fr
  • GB560092A - Improvements in or relating to luminescent screens : en
  • US2344631A - Splint tensioning device : en
  • CA419105A - Heating apparatus : en fr
  • DE745483C - Gear pump : de en
  • GB560086A - Improvements in or relating to thrust bearings for rotary valves : en
  • DE745218C - Device for de-acidifying and degassing running endless artificial threads : de en
  • US2344633A - Impulse repeater : en
  • US2344714A - Reversing valve : en
  • US2344642A - Temperature compensated strain gauge : en
  • FR891960A - Elastic suspension system applicable to the construction of bicycles : en fr
  • US2344575A - Method of manufacturing molding strips : en
  • CA419134A - Portland cement composition : en fr
  • CA419177A - Mower : en fr
  • US2344711A - Walnut cutting machine : en
  • USD137514S - Design for a cookie jar : en
  • US2344856A - Means for reinforcing hollow containers for gases under pressure : en
  • AU837943A - Improvements in and relating to methods for producing alloy metals : en
  • CA419104A - Bicycle : en fr
  • USD137492S - Design for a suit : en
  • CA419130A - Variable stroke radial pump : en fr
  • US2344794A - Combination flowerpot and jardiniere : en
  • US2344692A - Die spotting press : en
  • US2344579A - Composition for coating concrete : en
  • US2344853A - Cooking timer : en
  • US2344573A - Railway traffic controlling apparatus : en
  • US2344672A - Method of measuring earth potentials : en
  • DK62060C - Machine gun made. : da en
  • US2344630A - Method of tempering glassware : en
  • USD137516S - Design for a woven braid : en
  • US2344695A - Television transmitting system : en
  • US2344759A - Airplane dispatching system : en
  • USD137481S - Design for a spectacle frame or similar article : en
  • GB560192A - Production of knitting by mechanical means : en
  • FR891963A - Sealing insert, shoe-shaped, for rotary drawer : en fr
  • DE745536C - Method to prevent self-excitation in a push-pull amplifier : de en
  • FR891847A - Improvements to carburettors for internal combustion engines and the like : en fr
  • FR891852A - New reinforced concrete floor system : en fr
  • GB560160A - New di- and tri-methine dyestuffs : en
  • US2344834A - Calculating instrument : en
  • US2344636A - Enclosed electric safety switch : en
  • GB560207A - Improvements in control arrangements for variable pitch airscrews : en
  • US2344623A - Telephone system : en
  • FR891763A - Cylinder cell : en fr
  • GB560093A - Improvements in or relating to foraminous plastic material : en
  • GB560078A - Jacking and manoeuvring means for motor cars : en
  • FR891820A - Gasket for fixed joints : en fr
  • DK62052C - Apparatus for Milker's Protection against Kohaledask during Milking. : da en
  • GB560193A - Improvements in or relating to the fractionation of mixtures of gaseous hydrocarbons : en
  • FR891857A - Automatic friction and pressure variable speed drive with tangential crown : en fr
  • FR891967A - Enhancements to Bookmarks : en fr
  • DE745722C - Device for controlling the amount of gas flowing to a smoke gas detector : de en
  • US2344890A - Isomerization process : en
  • FR891961A - Valve box : en fr
  • DE745205C - Machine for forming pulp : de en
  • DK62045C - Carry for ambulance. : da en
  • US2344844A - Sling : en
  • FR891815A - Improvements to mixed gas generators for supplying heat engines : en fr
  • GB560175A - Improvements in gratings more particularly for use in airfields : en
  • US2344894A - Receptacle cover : en
  • FR891808A - Automatic locking and unlocking of turnstiles : en fr
  • FR891920A - Process for the preparation of pigmented nitrocellulose lacquer emulsions : en fr
  • FR891937A - Device allowing the alternating application of several signals to a single electrical device with amplifier tubes used as inertia-free switches : en fr
  • FR891871A - Process for regenerating printing ribbons from typewriters or the like : en fr
  • US2344900A - Treating hydrocarbon fluids : en
  • US2344491A - Esters of 4-tertiarybutyl-phenoxyalkylols : en
  • GB560164A - Improvements relating to the manufacture of dyestuffs of the anthraquinone series : en
  • CA419102A - Footwear sole : en fr
  • GB560204A - Improvements in the manufacture of artificially seasoned tobacco pipe bowls : en
  • US2344616A - Manufacture of sulphuric acid : en
  • US2344825A - Radio tuning mechanism : en
  • FR891756A - Cooling device for spark plugs used in high compression and lean gas engines : en fr
  • FR891924A - Joint for rails to eliminate shocks when passing vehicles : en fr
  • FR891939A - Method and setup for recording the zero crossing of an electric or other variable that is constantly variable : en fr
  • US2344666A - High speed cigarette packaging machine : en
  • US2344760A - Airplane dispatching system : en
  • DE745724C - Electrical insulating material : de en
  • FR891789A - Metal belts for material transporters or other installations : en fr
  • FR891943A - Electric capacitor variable by the action of temperature : en fr
  • USD137484S - Design for a camera holder : en
  • US2344534A - Method of and apparatus for strip welding : en
  • US2344936A - Burner : en
  • FR891757A - Nozzle for gasifiers : en fr
  • FR891979A - Very small size and weight electrical measuring device : en fr
  • FR891876A - Electric switch with rocker contact : en fr
  • FR891896A - Daylight photographic development tank : en fr
  • GB560214A - Improved device for the extraction of oil from the spindle bearings of spinning, doubling, winding and similar textile machines : en
  • DE742098C - Device for the production of sanitary towels and. like : de en
  • DK62058C - Method for the manufacture of a splashing device by means of bottles, vials and similar containers. : da en
  • US2344547A - Apparatus for the control of mechanism : en
  • US2344734A - Neutralizing circuit : en
  • US2344857A - Tube carton : en
  • FR891773A - Device for stamping and possibly riveting sheets and the like : en fr
  • GB560184A - Printings on articles made of plastics : en
  • US2344904A - Window construction : en
  • US2344918A - Process of plasticizing esters of methacrylic acid : en
  • DE745280C - Leonard control, especially for planing machines : de en
  • DE745301C - Process for producing multicolored images : de en
  • USD137485S - Design for a vacuum pump : en
  • CA419126A - Vegetable bunch tying machine : en fr
  • CA419163A - Thermostat : en fr
  • DE725804C - Rest bed set up to generate and administer electric hot air, light and steam baths : de en
  • US2344537A - Pile fabric : en
  • US2344903A - Door lifting and tilting device : en
  • US2344765A - Method of and apparatus for storing liquefied gas mixtures : en
  • US2344913A - Valve : en
  • US2344513A - Cylinder bracket : en
  • US2344604A - Trouser hanger : en
  • GB560099A - Improvements in electric couplings : en
  • DE745295C - Pilot valve for pressure medium operated engines : de en
  • GR10240B - BOTTLE LABEL PRINTING SYSTEM. : el en
  • US2344817A - Self-aligning pulley : en
  • DE745346C - Electric motor with built-in friction clutch, especially for sewing machines : de en
  • DE745632C - Arrangement for supporting the electrode system of an electron tube : de en
  • US2344655A - Stenotype copyholder : en
  • USD137519S - Stopper for babies milk bottles or similar articles : en
  • FR891929A - Process for cooking sugar juice for crystallization : en fr
  • US2344522A - Railway truck : en
  • US2344873A - Golf ball : en
  • US2344507A - Container : en
  • US2344671A - Higher molecular alcohols : en
  • US2344689A - Variable capacitor : en
  • GB560097A - Improvements in or relating to fuel-economisers for internal combustion engines : en
  • GB560107A - Improved pitch control mechanism for screw propellers : en
  • GB560179A - Improvements in or relating to shock absorbing couplings for power-transmission shafts : en
  • USD137505S - Foldablb double deck bed : en
  • US2344681A - Draw works : en
  • US2344748A - Spectrophotometric particle mixture cam : en
  • US2344540A - Tool rack : en
  • FR891866A - Process for manufacturing a concentrated food product based on fruits, vegetables or other plants : en fr
  • FR891838A - Improvements in shuttle-less looms : en fr
  • US2344657A - Valve seat construction : en
  • US2344767A - Control device : en
  • US2344557A - Treatment of textile materials : en
  • US2344720A - Printing and bursting machine : en
  • US2344490A - Antenna operating reel : en
  • US2344732A - Highway crossing signal system : en
  • US2344651A - Timing mechanism for washing machines : en
  • CA419129A - Sharpener for circular saws : en fr
  • DE745326C - Automatic voltage control device for electrodynamic machines with variable speed : de en
  • USD137479S - Coupon sorting and dispensing device : en
  • AU857143A - Improved process forthe conversion of grain, flour andthe like into a solution for fermentation : en
  • US2344882A - Gauge adjusting means : en
  • AU118244B2 - Improvements in and relating to vehicles and caterpillar treads therefor : en
  • USD137493S - Design for a suit : en
  • DE703528C - Backrest of a chair : de en
  • AU722042A - Preparation of a, a, p-trihalopropionic acid esters : en
  • CA419193A - Railway car truck : en fr
  • US2344541A - Advertising apparatus : en
  • USD137511S - Design fob a brooch or similar article : en
  • FR891938A - Braking device for vehicles, and in particular for bogies of railway wagons : en fr
  • GB560199A - Improvements in or relating to pneumatic tyres : en
  • US2344511A - Treatment of crystalline vinylidene chloride polymers : en
  • FR52378E - : fr
  • US2344607A - Toy : en
  • US2344802A - Steam engine valve mechanism : en
  • AU724242A - Improvements in or relating to wool baling means : en
  • GB560195A - Improvements in or relating to the production of olefines by the treatment of hydrocarbon oils at elevated temperatures : en
  • GR10239B - STRUCTURED WOODEN SHOE SOLE. : el en
  • CA419140A - Temperature measuring apparatus : en fr
  • US2344582A - Gasoline tank filler : en
  • FR891751A - Method and device for automatic heating regulation : en fr
  • GB560206A - Improvements in and relating to pressure switch mechanism : en
  • USD137495S - Combined cutlery grinder guide and whetting disk : en
  • GR10238B - PIPE TOBACCO TREATMENT AND MANUFACTURING SYSTEM AS WELL AS THIS CYLINDRICAL PACKAGING TO FILL THE PIPE. : el en
  • GB560158A - Thermo-sensitive electric relay : en
  • US2344758A - Burner fuel pipe cleaner : en
  • US2344619A - Displacement-hydroplane boat : en
  • US2344542A - Bicycle reflecting element : en
  • US2344618A - Radio air raid warning system : en
  • CA419224A - Gas turbine power plant : en fr
  • CA419220A - Machine tool : en fr
  • DE745276C - Surface-mounted combination for a plurality of installation devices housed under a common cover cap : de en
  • US2344757A - Bicycle : en
  • US2344539A - Salts of certain methylene diamines with certain petroleum sulphonic acids : en
  • US2344907A - Work-holding means for cutting machines and the like : en
  • US2344752A - Recoil absorber for firearms : en
  • FR891816A - Apparatus for using anthracite grains for heating boilers : en fr
  • US2344793A - Coating composition : en
  • US2344795A - Stacker operating mechanism for tractors : en
  • US2344649A - Water closet : en
  • DE745239C - Electrical discharge vessel with arc discharge, vaporizable cathode and cathode insert body : de en
  • DE745716C - Process for the production of telecommunication conductors with increased inductivity : de en
  • US2344712A - Shirt collar support : en
  • US2344898A - Liquid separating apparatus : en
  • FR891796A - Paper drawing armor mechanics : en fr
  • FR891992A - Method and apparatus for controlling the feed of material to a mill : en fr
  • US2344684A - Weighing scale : en
  • FR891935A - Improved process for facilitating the spreading of layers of hydrophilic colloids, applicable in particular to the manufacture of photographic products : en fr
  • CA419236A - Pulp liquor residue by-product recovering apparatus : en fr
  • US2344861A - Slide-fastened closure construction for rigid containers : en
  • FR891827A - Advanced soft wood sole : en fr
  • US2344747A - Fluid flow control mechanism : en
  • AU118251B2 - Improvements in or relating to methods of and means for effecting the evaporation of water andthe like : en
  • US2344580A - Fish lure : en
  • US2344717A - Rivet : en
  • US2344610A - Apparatus for marking the surface of electric cables or similar articles : en
  • USD137489S - Design for a plate or similar article : en
  • FR891846A - Gasifier filter : en fr
  • CA419138A - Drive transmission in motor vehicles : en fr
  • US2344693A - Toy airplane and its method of manufacture : en
  • US2344772A - Narrow foldable bridge : en
  • GB560208A - An improved appliance for stopping the engines of motor road vehicles independently of the driver and preventing damage to the wheel tyres of trailers : en
  • AU647242A - Improvements in and relating tothe vaporisation of metals : en
  • US2344742A - Apparatus for loading and unloading wheeled vehicles : en
  • DE745370C - Cooling, especially for railroad cars : de en
  • CA419135A - Portland cement composition : en fr
  • US2344629A - Removal of zinc from lead : en
  • GB560118A - Improvements in h-section rails for fixing wall boards and the like : en
  • US2344727A - Amplifying system : en
  • US2344583A - Flow control apparatus : en
  • CA419156A - Mica inorganic bonding material : en fr
  • FR891811A - New insulating material, its applications and its manufacturing process : en fr
  • US2344603A - Machine for making cellulose sheets and the like : en
  • US2344549A - Pad : en
  • FR891975A - Self-locking worm gear differential, especially for motor vehicles : en fr
  • GB560196A - Improvements in or relating to carburetters for internal-combustion engines : en
  • US2344911A - Titanium catalyst : en
  • US2344780A - Switching means for interconnecting coaxial conductors : en
  • US2344801A - Condiment holder : en
  • CA419202A - Thermionic tube socket : en fr
  • US2344707A - Process for producing z-amino : en
  • CA419150A - Thermostat : en fr
  • US2344808A - Clevis joint : en
  • CA419179A - Volatile liquid pumping apparatus : en fr
  • CA419143A - Electric discharge lamp : en fr
  • US2344589A - Soldering device : en
  • US2344818A - Valve : en
  • US2344823A - X-ray photograph marking : en
  • CA419147A - Cyanine dye preparation : en fr
  • CA419235A - Low reactance switching device : en fr
  • CA419210A - Wall flame type burner : en fr
  • FR891969A - Marine water tube boiler : en fr
  • DE742077C - Laundry rammer with handle attached to the bell : de en
  • FR891824A - Device for reigniting gasifiers : en fr
  • FR891853A - Slip shirt jumpsuit : en fr
  • US2344854A - Automobile signal : en
  • CA419145A - Diazine derivative : en fr
  • AU118262B2 - Improved method of, and apparatus and material for, marking the light part to indicate the heavy part causing vibrations and oscillations of rotatable articles, andother like uses : en
  • CA419204A - Photographic sound recorder : en fr
  • CA419189A - Bag closure : en fr
  • DE745670C - Arrangement for generating short electrical waves in a glow or arc discharge tube with grid control : de en
  • AU733842A - Improvements in and relating to vehicles and caterpillar treads therefor : en
  • DE745729C - Electrolytic cell, in particular electrolytic capacitor : de en
  • US2344685A - Direction signal switch : en
  • DE745269C - Method and device for the production of metals and / or carbides : de en
  • FR892000A - Electric power installation with several wind wheels assembled on a pylon : en fr
  • CA419115A - Cartridge magazine : en fr
  • CA419228A - Engine ignition cable : en fr
  • CA419169A - Transformer for welding : en fr
  • US2344569A - Coal truck body construction : en
  • GB560131A - Process for the preparation of new acylamines of the anthraquinone series : en
  • GB560096A - Improvements in and relating to hose and like couplings : en
  • US2344531A - Sole positioning device : en
  • US2344632A - Needle-vibrating mechanism for sewing machines : en
  • FR891750A - : fr
  • US2344906A - Carbonizing metals : en
  • FR52370E - : fr
  • US2344715A - Milk bottle holder : en
  • DE745713C - Grate burner for gases with a high calorific value : de en
  • FR891806A - Bimetallic bead wire for electric traction contact lines : en fr
  • FR891987A - Wetting products for electrolyte solutions : en fr
  • CA419106A - Jug and pitcher closure : en fr
  • USD137496S - Design fob a device for holding capsules, pills, and the like : en
  • GB560084A - Improvements in or relating to the production of knitted fabrics from synthetic linear polyamide yarns : en
  • FR891950A - Manufacturing process of a recording paper : en fr
  • GB560105A - An extrusion-moulding machine : en
  • FR891836A - Flexible removable rim for cycles and other light vehicles : en fr
  • GB560094A - Improvement in sulfauro compounds and processes for their production : en
  • IE16548L - Detecting leakages in pipes : en
  • FR891921A - Mounting for frequency modulation : en fr
  • US2344592A - Power take-off clutch : en
  • FR891954A - Method and device for extracting coal and other minerals by using ground pressure : en fr
  • GB560110A - Improvements in and relating to magnetos : en
  • GB560098A - Improved carburising plant : en
  • FR891909A - Milliampere-seconds relay : en fr
  • USD137507S - Design for a dress : en
  • DK62041C - Device for controllers for one of two interconnected, asynchronous motors consisting of electric drive system for hoists with worm gear. : da en
  • GB560082A - Improvements in sensitive photographic emulsions : en
  • CA419146A - Triazine derivative : en fr
  • FR891809A - Improved method and apparatus for the transport and storage of liquid carbon dioxide : en fr
  • FR891778A - Device for simultaneously lifting and maintaining the lids of several associated containers in the lowered position : en fr
  • GB560087A - Improvements in or relating to the formation of flexible joints in articles containing rigid parts made from plastics : en
  • GB560212A - Improvements in glass cell electrodes and measuring apparatus for use therewith : en
  • FR891903A - Process for the preparation of yeast emulsions : en fr
  • US2344885A - Electrical calculating equipment : en
  • DE745274C - Control, especially multiple control, for electric traction vehicles : de en
  • GB560080A - Improvements in or relating to vehicles : en
  • FR891875A - Support plate intended more specifically for cooking appliances : en fr
  • US2344776A - Rubber hydrochloride composition : en
  • US2344841A - Concrete form : en
  • FR891848A - Process for obtaining the use and processing of weaving or spinning waste, staple fibers or rayon into : en fr
  • GB560126A - Improvements in or relating to brushes : en
  • US2344600A - Wallboard : en
  • DK62037C - Braking device for railway freight wagons with variable gear ratio in the brake rod system. : da en
  • CA419176A - Water softener processing apparatus : en fr
  • US2344799A - Archery bow : en
  • FR891918A - Process for eliminating or preventing the formation of algae and fungi in used water : en fr
  • US2344749A - Building wall construction : en
  • FR891783A - Microlining lamp : en fr
  • AU830743A - Improvements in electrical condensers : en
  • US2344868A - Variable load brake : en
  • FR891895A - Device for tuning a lick circuit : en fr
  • DE745286C - Printing calculating machine, adding machine, cash register or the like : de en
  • GB560132A - Improvements in or relating to telephone systems : en
  • FR891942A - Clamping device for windings, especially transformers : en fr
  • US2344702A - Centralized traffic controlling system for railroads : en
  • DK62038C - Potentiometer Coupling for Generating a Control Voltage for Automatic Gain Control. : da en
  • DE745572C - Axis of rotation for movable electrical switching elements with contact rings or stop or limiting disks or the like. : de en
  • GB560133A - A combined garden rake and hoe : en
  • GB560145A - Improvements relating to the production of photo-mechanical printing surfaces : en
  • GB560197A - Lubricants : en
  • US2344838A - Fishing bait retriever : en
  • GB560089A - Improvements in or relating to the construction of pipe-conduits : en
  • GB560190A - Improved form of atomiser syphon : en
  • CA419209A - House heating device : en fr
  • CA419111A - Mail chute : en fr
  • US2344568A - Starter circuit for motor vehicles : en
  • DE745381C - Device for moving the needle bed on hand flat knitting machines : de en
  • FR891892A - Injection needle : en fr
  • FR891976A - Process for the fractional separation of tars produced during the gasification of solid bituminous fuels : en fr
  • FR891762A - Clothespin : en fr
  • CA419187A - Rear light bracket : en fr
  • GB560218A - Improvements relating to heels for footwear : en
  • US2344656A - Transmission : en
  • FR891904A - Steam superheater : en fr
  • GB560220A - Improvements in apparatus for distilling liquids : en
  • FR891927A - Winding device for glass yarns and the like : en fr
  • FR891932A - Developing tank for photographic film strips : en fr
  • FR891966A - Current switching device at standstill and at low rotational speeds of machines supplied via static current converters : en fr
  • FR891758A - Combined ventilation and gravity separator for sorting nuts and various objects : en fr
  • FR891759A - Trims for vehicles and seats : en fr
  • GB560101A - Improvements relating to the heating of thermoplastic organic materials by high frequency electric fields : en
  • DE745296C - Spring-loaded axle suspension for vehicles, especially for wagons pulled by draft animals or trekkers, such as farm and milk wagons : de en
  • USD137513S - Design for a cigarette tray : en
  • FR891805A - Folding and removable furniture feet device with rigid fixing : en fr
  • GB560200A - Improvements in or relating to clinometers : en
  • CA419118A - Piston packing : en fr
  • GB560221A - Anglers' lure : en
  • US2344832A - Cowl fastener : en
  • US2344535A - Automatic control mechanism : en
  • US2344698A - Tubular connection and sealing means therefor : en
  • DE745329C - Indirectly heated cathode : de en
  • FR891949A - Improvements to Ultra Shortwave Directed Beam Systems : en fr
  • US2344893A - Protective sleeve : en
  • US2344501A - Electric cable : en
  • DK62042C - Machine for Tearing the Capsules (Seeds) of Hor or other Textile Plants. : da en
  • DK62051C - Cyclone separator. : da en
  • FR891906A - Stroke limiter for electric drives, in particular for radial drills : en fr
  • CA419213A - Dandy roll for paper making : en fr
  • US2344581A - Key case : en
  • GB560149A - Improvements in conveyor mechanisms : en
  • FR891952A - Pulling device for straight-line knitting machines : en fr
  • US2344740A - Hose coupling device : en
  • US2344827A - Pneumatic tire : en
  • AU118241B2 - Improvements in and relating to methods for producing alloy metals : en
  • AU118245B2 - Improvements in electrical condensers : en
  • US2344621A - Weld-rod coating : en
  • US2344905A - Spray painting machine : en
  • US2344876A - Reinforced propeller : en
  • US2344505A - Container : en
  • CA419167A - Phase-sequence relaying equipment : en fr
  • CA419122A - Dispensing device for containers : en fr
  • US2344682A - Ash tray : en
  • US2344718A - Oxygen mask : en
  • USD137486S - Design for a game board : en
  • DK62043C - Procedure for the manufacture of artificial textile fibers. : da en
  • AU859343A - An improved switch-plug for use in electrical systems : en
  • FR891822A - Improvements to folding frame bicycles : en fr
  • DK62055C - Method and Apparatus for Tempering Continuous Chocolate Mass or Similar Masses. : da en
  • CA419110A - Carrier unloader : en fr
  • DE745285C - Device for achieving a precise fit of parts in bores in molded bodies made of thermoformable plastics with low notch strength : de en
  • CA419112A - Battery terminal protective device : en fr
  • CA419180A - Building construction : en fr
  • CA419237A - Electric discharge lamp : en fr
  • US2344523A - Electric bell : en
  • US2344735A - Engine mount : en
  • US2344886A - Lubricant composition : en
  • US2344912A - Lubricating oil blend : en
  • US2344659A - Fountain assembly : en
  • CA419101A - Electrical fixture : en fr
  • US2344674A - Seatless undergarment : en
  • US2344726A - Transportable stage : en
  • USD137520S - Design for an electric welding rod holder : en
  • US2344650A - Loading apparatus : en
  • DE745210C - Machine for opening and cleaning cotton and similar fibers : de en
  • US2344620A - Ornament : en
  • CA419190A - Multiple spot welder : en fr
  • DE745596C - Device for cooling rooms arranged in series combustion chambers (cylinders) of internal combustion engines : de en
  • USD137480S - Design for a display card : en
  • US2344528A - Materials-conveying flue : en
  • US2344530A - Humidity controller : en
  • US2344783A - Method of watermarking coated paper : en
  • AU1357744A - Improvements in or relating to means for effecting additive, totalising and like operations : en
  • DE745408C - Turntable : de en
  • US2344615A - Means for and method of making joints : en
  • FR891962A - Installation for supplying an electric motor for driving a speed regulator : en fr
  • GB560176A - Means for mounting a member to have a straight line motion particularly applicable to vehicle spring suspensions : en
  • US2344577A - Container for cosmetic powders and other cosmetics : en
  • CA419238A - Electric discharge lamp : en fr
  • US2344622A - Tap supporting carriage for lathes : en
  • US2344929A - Process for the production of salts : en
  • DE745710C - Device for loading briquettes into railroad cars by means of a loading belt : de en
  • GB560104A - Magnesium alloy : en
  • US2344496A - Internal combustion engine : en
  • US2344563A - Ejector : en
  • US2344673A - Safety roller coupling : en
  • FR891965A - High voltage transformer, choke coil or measuring transformer : en fr
  • AU643642A - A device for accurately indicating the height of water or fluids with respect toa datum or standard height : en
  • US2344778A - Gun perforator device : en
  • CA419121A - Vacuum bottle cup : en fr
  • FR891872A - Bicycle frame ensuring the elastic suspension of the cyclist : en fr
  • FR891933A - Process preventing the diffusion of optical sensitizers : en fr
  • FR891867A - Variable compression cylinder head for internal combustion engines : en fr
  • GB560113A - Improvements in or relating to time-lag or delay action devices : en
  • FR891880A - Improvements to automatic disc changers for talking machines : en fr
  • FR891752A - Extendable telescopic sliding device for transferring swap bodies from one plane to another contiguous plane : en fr
  • US2344831A - Terpene derivative : en
  • DK62057C - Device for Motor Vehicles with Pendulum Half Axles and Twin Air Rings. : da en
  • US2344517A - Adjustable stroke pump : en
  • US2344820A - Electric blanket temperature control apparatus : en
  • AU37241A - Improved meat hook : en
  • USD137504S - Design fob a woven textile fabric : en
  • GB560120A - Improvements in or relating to telephone systems : en
  • US2344830A - Composition of matter for the chemical fixation of diseased tissue preparatory for surgical removal : en
  • US2344833A - Terpene derivative : en
  • GB560135A - Improvements in fluid pressure power transmission systems : en
  • FR891999A - Electric trimmer or shaver : en fr
  • DE741808C - Lighting method for slow motion shots : de en
  • GB560209A - Improvements relating to electric power cable systems : en
  • FR891810A - Process for obtaining refractory metals and metal carbides : en fr
  • GB560124A - Apparatus for detecting faults in the armatures of dynamo-electric machines : en
  • US2344871A - Shaker conveyer : en
  • FR891801A - Gasifier system for hydrocarbon carburetors : en fr
  • FR891886A - Preservation of perishable products, in particular cured meats, cold cuts and the like : en fr
  • US2344790A - Manufacture of finned tubing and the like : en
  • US2344842A - Toaster : en
  • DE745707C - Card : de en
  • GB560119A - Improvements relating to rotary boring heads : en
  • FR891780A - Process for treating fish livers to extract vitamins and oils : en fr
  • GB560156A - Improvements in or relating to means for economising fuel in stoves or fires : en
  • US2344584A - Implement for tractors : en
  • US2344661A - Method and apparatus for accumulating material in spirals or rolls : en
  • US2344919A - Storing and handling cases for phonograph records : en
  • FR891984A - Device for determining the priming position of injection pumps : en fr
  • US2344675A - Recording mechanism : en
  • FR891843A - Device for priming low-voltage discharge tubes : en fr
  • CA419198A - Internally expanding brake : en fr
  • FR891772A - Device for sharpening the blades of safety razors and ordinary razors : en fr
  • FR891786A - Improvements to riveting machines : en fr
  • CA419199A - Container for capsules : en fr
  • USD137477S - Design for a wheeled toy : en
  • USD137478S - Design fob a night latch ob semilae abticle : en
  • FR891794A - Freewheel drive by wedging its various components : en fr
  • FR891884A - Machine used to remove burrs from rails : en fr
  • DE745250C - Equipment for steel and metal spraying processes : de en
  • GB560216A - Improvements in seed drills or distributors : en
  • FR891771A - cigarette snuffer : en fr
  • FR891923A - Raincoats : en fr
  • CA419157A - Vapour electric conversion device : en fr
  • FR891911A - Electrical assembly intended for the amplification of high or very high frequency oscillations : en fr
  • FR891930A - Process for the preparation of sulfonamides : en fr
  • US2344746A - Drive bushing : en
  • US2344810A - Synchronization of deflecting circuits : en
  • AU118269B2 - Improvements in outlet valves for irrigation systems andthe like : en
  • US2344683A - Clamp and mounting bracket : en
  • US2344812A - Heating apparatus : en
  • US2344788A - Electric switch : en
  • CA419212A - Electric seismograph device : en fr
  • AU121484B2 - u Improvement in composite billets, especially suitable forthe manufacture of ammunition and methods of making same : en
  • US2344875A - Machine for welding : en
  • US2344867A - Governor : en
  • CA419173A - Planer control system : en fr
  • CA419225A - Sulphur dioxide absorbing method : en fr
  • US2344598A - Wall scraper and well logging tool : en
  • FR891767A - Block for building walls : en fr
  • GB560167A - Improvements in or relating to ordnance : en
  • GB560181A - Improvements in or relating to vibrating relay systems for developing alternating current from a direct current source : en
  • GB560148A - Improvements in or relating to power assisted steering gear for vehicles : en
  • GB560163A - Improvements in devices for the feeding of metal bars, rods or strips : en
  • US2344723A - Expanding ornament : en
  • US2344809A - Electromagnetically operated switch : en
  • US2344826A - Safety vehicle door lock : en
  • US2344899A - Liquid separating apparatus : en
  • USD137497S - Design fob a picture frame : en
  • US2344665A - Fishing reel spool construction : en
  • US2344881A - Vehicle clutch and transmission control : en
  • CA419136A - Dross and matte smelting process : en fr
  • IE17258L - Aminoalkyl ethers and quaternary derivatives : en
  • GB560162A - Improvements in lenses : en
  • AU118252B2 - Improved method of chlorinating maleic anhydride to produce dichlorosuccinic anhydride : en
  • DE745294C - Storage bag for film images : de en
  • US2344796A - Boom hoist : en
  • DE745217C - Scraper reel for mining operations : de en
  • FR891913A - Articulated wooden sole for shoes : en fr
  • US2344815A - Neon sign : en
  • DE745204C - Machine for attaching the lock fitting to suitcases, briefcases, etc. like : de en
  • FR891807A - Device allowing the generation of a current by the deformation of a loop placed in an electro-magnetic field : en fr
  • DE745341C - Device for measuring projectile flight times : de en
  • FR891926A - Sealing device for rotating drawers : en fr
  • FR891831A - Hydraulic transmission with progressive speed variation : en fr
  • GB560111A - Improvements in machines for coiling metal wire and strip : en
  • DE745379C - Jacquard pattern device for flat weft knitting machines : de en
  • FR891781A - Electric warning stamp for bicycle, tandem or similar : en fr
  • US2344932A - Rubber valve stem : en
  • GB560219A - Improvements in moving coil loud-speakers and microphones and like electro-acoustic apparatus : en
  • FR891851A - Tire improvements : en fr
  • FR891873A - Advanced extendable crank : en fr
  • FR891981A - Process for obtaining cultured yeast : en fr
  • GB560137A - Improvement in oil collector for air compressors : en
  • GB560091A - Improvements in and relating to voltage control transformer systems : en
  • GB560123A - Filters for gases under pressure : en
  • FR891818A - Formulas and processes for the manufacture of any object which can be die-cast by using synthetic and natural products : en fr
  • US2344576A - Molding strip or the like : en
  • GB560077A - Improved method for preparing substances having vitamin a activity : en
  • GB560155A - Improvements relating to getters for electron discharge tubes : en
  • USD137503S - Design for a badge ob the like : en
  • CA419185A - Bearing means : en fr
  • US2344560A - Fractionating column and scrubbing tower : en
  • US2344641A - Radio frequency wattmeter : en
  • US2344781A - Garment protector : en
  • US2344606A - Double pipe expansion chiller : en
  • US2344578A - Composition for coating concrete : en
  • CA419162A - Motor thermostat : en fr
  • CA419197A - Electric switch : en fr
  • CA419231A - Package tying machine : en fr
  • US2344887A - Telescopic range finder : en
  • US2344594A - Motor operated toggle valve : en
  • US2344804A - Binder strap seal : en
  • US2344880A - Groove dressing tool : en
  • US2344679A - Beam phase detector : en
  • US2344703A - Apparatus for handling materials : en
  • CA419108A - Sedative composition : en fr
  • US2344824A - Method and means of making x-ray : en
  • US2344837A - Inside caliper : en
  • USD137482S - Design for a game board or similar article : en
  • CA419142A - Electric discharge lamp : en fr
  • US2344559A - Carton wrapper : en
  • US2344822A - Oil burner : en
  • FR891971A - Coil shielding device : en fr
  • FR891900A - Process for the preparation of polyvalent alcohols by catalytic hydrogenation of carbohydrates in the liquid state : en fr
  • CA419124A - Cutting tool : en fr
  • CA419218A - Multi-speed governor : en fr
  • US2344814A - Process for manufacture of aryloxy-alkylamino butanones : en
  • DE745658C - Guide device for deep drilling rigs : de en
  • CA419166A - Rotor protective system : en fr
  • CA419192A - Phosphoric acid ester manufacture : en fr
  • US2344755A - Truck : en
  • US2344653A - Telephone line circuit : en
  • US2344498A - Micrometer : en
  • US2344514A - Crystalline formation : en
  • DK62050C - Dishwasher. : da en
  • FR52389E - : fr
  • US2344488A - Method of forming composite boards : en
  • US2344502A - Woodworking machine : en
  • US2344724A - Try-square attachment : en
  • CA419114A - Combined truck and trailer : en fr
  • CA419230A - Tractor driven snow plough assembly : en fr
  • DE745695C - Method for determining the bond strength of cladding to clad pipes : de en
  • FR891968A - Locking device for bolts : en fr
  • CA419170A - Motor control system : en fr
  • CA419211A - Butter mould : en fr
  • CA419159A - Relay system : en fr
  • US2344548A - Method and apparatus providing a continuously effective source for oligodynamic sterilization : en
  • DE745569C - Electrical high-voltage switchgear in the form of a switch car : de en
  • US2344597A - Electrode for sparking plugs : en
  • US2344751A - Electromagnet : en
  • US2344545A - Gauntlet for handle bar grips : en
  • US2344843A - Oxidation of synthetic latex : en
  • CA419160A - Thermostat : en fr
  • US2344700A - Apparatus for rectifying spirits and for similar purposes : en
  • CA419222A - Garment : en fr
  • DE742633C - Driving drum winding machine : de en
  • FR891761A - Molten metal pump : en fr
  • US2344495A - Nonstaining coated fabric : en
  • US2344846A - Pliable reinforced ornament : en
  • GB560154A - Improvements in and relating to nuts for securing articles or structural parts to tubular and like members : en
  • US2344775A - Means for saving welding electrode material : en
  • FR891790A - Pocket scale or letter scale : en fr
  • GB560198A - Improvements in and relating to electric motor control systems : en
  • FR891792A - Re-starting device for loom with automatic shuttle change : en fr
  • FR891980A - Process for preparing viscose solutions from semi-finished products subjected to intense mechanical grinding : en fr
  • GB560142A - Improvements in or relating to leather finishes : en
  • US2344733A - Molding composition : en
  • DE744920C - Process to improve the color and taste as well as to increase the protein content of growth yeast : de en
  • FR891890A - Method for indicating the latitude and longitude of instantaneous points of a route and devices for its implementation : en fr
  • FR891839A - Reciprocating sawing machine : en fr
  • US2344546A - Apparatus for applying tops to can bodies : en
  • FR891959A - Darning needle : en fr
  • US2344590A - Spiral oil filter : en
  • FR891862A - advanced stage for short waves : en fr
  • FR891958A - Foaming and stain removal solution for industrial and household use : en fr
  • US2344532A - Door latch : en
  • GB560090A - Improvements in and relating to vehicle springs : en
  • US2344485A - Milk bottle : en
  • US2344736A - Television transmitting system : en
  • FR891779A - Brake for cars, motorcycles and other vehicles : en fr
  • US2344554A - Deaeration of liquids : en
  • US2344762A - Resilient ventilated shoe : en
  • US2344931A - Method of producing getters : en
  • GB560128A - A new or improved detachable fastening device for cowlings and the like : en
  • USD137490S - Design for a figure tot : en
  • CA419233A - Fabric processing : en fr
  • US2344602A - Shaker conveyer : en
  • FR891776A - Tram ticket holders for easy conservation and separation when in use : en fr
  • US2344538A - Tubular body : en
  • US2344612A - Electric signaling : en
  • US2344628A - Gear pump : en
  • US2344737A - Game board : en
  • FR891833A - Device for noise suppression in amplifiers : en fr
  • US2344611A - Vertical hammer mill discharge : en
  • US2344614A - Battery separator : en
  • FR891985A - Device for limiting the advance of the carriage of a machine tool : en fr
  • GB560103A - Improvements in or relating to sliding clasp fasteners : en
  • CA419182A - Engine ignition system : en fr
  • FR891905A - Device for the preparation of mixtures of artificial resins for molding : en fr
  • US2344574A - Cam flywheel and shutter for motion picture apparatus : en
  • US2344493A - Film developing holder for motion picture films : en
  • US2344544A - Blasting machine : en
  • US2344859A - Method of producing calcium boride : en
  • GB560182A - Improvements in or relating to boiler installations : en
  • DE745304C - Process for the production of a dough acidifier obtained by natural acidification : de en
  • FR891791A - Porcelain ovens : en fr
  • DE745687C - Height measuring device : de en
  • FR891785A - Fixed collar with secret lock for fixing the pumps of bicycles, tandems or other vehicles : en fr
  • CA419229A - Insulating and sound deadening composition : en fr
  • US2344567A - Collapsible egg carton : en
  • US2344504A - Grinding mill : en
  • US2344896A - Automotive suspension : en
  • IE16785L - Self-loading firearms : en
  • DE745321C - Arrangement for the transmission of messages by means of high-frequency alternating currents, preferably over lines : de en
  • BE454253A - Process for preparing fatty aromatic amines : en fr
  • AU118243B2 - Improved laundry iron : en
  • CA419107A - Loader : en fr
  • FR891974A - Retreating tube carriage : en fr
  • CA419234A - Electromagnetic relay : en fr
  • AU1353844A - Improvements in or relating to tubing and to laminated fabrics for use inthe manufacture thereof : en
  • GB560109A - Shaving implement : en
  • US2344503A - Lasting shoes : en
  • DE745718C - binder : de en
  • US2344803A - Method of forging shovel sockets and the like : en
  • CA419201A - Crane power drive mechanism : en fr
  • US2344680A - Pouring spout : en
  • CA419103A - Garter : en fr
  • AU118234B2 - Improved machine for generating bevel gears : en
  • DK62056C - Power transmission system with a hydraulic Flowchart, in particular for Motor Vehicles. : da en
  • US2344634A - Telephone intercept system : en
  • DK62048C - Procedure for Making Ointment, Cream and Pasta. : da en
  • FR891946A - Alloy for welding : en fr
  • GB560201A - Improvements in or relating to wheel brake systems for aircraft : en
  • CA419168A - Motor control system : en fr
  • AU704342A - Improvements in diaries, notebooks andthe like : en
  • FR891859A - Adaptable hearth for gasifiers : en fr
  • GB560146A - Electricity conductor unit : en
  • GB560213A - Combined sieve and shovel : en
  • CA419232A - Fabric production : en fr
  • US2344599A - Feeder for sensitizing ingredients : en
  • US2344914A - Remote controller : en
  • FR891840A - Lubricating oils and their preparation process : en fr
  • US2344660A - Web dispenser : en
  • GB560172A - Improvements in centrifuges for separating solid particles from gases : en
  • FR891882A - Refractory and good heat conductor tubular parts for high temperature heat exchangers : en fr
  • FR891948A - Improvements to electronic hollow resonator lamps : en fr
  • GB560170A - Potassic liquid fertilizer : en
  • CA419149A - Insulating material : en fr
  • FR891925A - Apparatus for the continuous treatment of solid matter using liquids : en fr
  • US2344754A - Drying of vegetables : en
  • US2344935A - Lighting installation : en
  • FR891893A - Improvements to synchronization systems for television sets and the like : en fr
  • GB560139A - Improvements relating to hollow articles : en
  • DE745318C - Method of measuring the distortion of telegraphic characters : de en
  • FR891996A - Polyamide manufacturing process : en fr
  • DE745297C - Disc brake with servo action, especially for motor vehicles : de en
  • US2344865A - Internal combustion engine : en
  • FR891803A - Improvements to solid fuel cooking stoves : en fr
  • DE745585C - Means for attaching the upholstery to the spring cushion of an upholstered mattress or upholstery suspension of seating and reclining furniture : de en
  • FR891907A - Double hook setting machine : en fr
  • GB560150A - Improvements in or relating to optical systems : en
  • US2344562A - Multiple unit radio recorder : en
  • US2344777A - Loom : en
  • FR891914A - Manufacturing process of isothiourea ethers : en fr
  • FR891830A - Refrigeration compressor, particularly intended for household refrigerating cabinets : en fr
  • DK62059C - Machine for Polishing Footwear Parts. : da en
  • US2344923A - Loading and unloading device : en
  • DE745232C - Contact spring for flashlight batteries : de en
  • GB560183A - Improvements in slide rules : en
  • US2344704A - Tire tool : en
  • CA419183A - Magneto mounting means and gearing : en fr
  • US2344722A - Method of making plywood panels : en
  • GB560081A - A process for the manufacture of new unsaturated alcohols : en
  • DE745244C - Skin cleanser : de en
  • US2344521A - Railway truck : en
  • US2344664A - Box dumping apparatus : en
  • US2344571A - Axial balance device : en
  • AU118236B2 - Annaratus for the recovery of volatilizable metals : en
  • US2344510A - Planographic plate : en
  • DE745348C - Process and device for drying green fodder : de en
  • DE745368C - Cast iron workpieces with increased break resistance : de en
  • AU118238B2 - Preparation of a, a, p-trihalopropionic acid esters : en
  • US2344556A - Dispenser : en
  • US2344716A - Lamp construction : en
  • US2344840A - Explosive composition and method of producing same : en
  • US2344807A - Process of applying coating films : en
  • US2344551A - Trailer : en
  • US2344635A - Electrical cable : en
  • CA419137A - Car truck brake : en fr
  • US2344797A - Vehicle steering mechanism : en
  • US2344930A - Marking machine : en
  • US2344694A - Billfold : en
  • US2344525A - Container : en
  • US2344533A - Casting rod : en
  • US2344850A - Latch needle : en
  • CA419175A - Handle assembly : en fr
  • FR891765A - Glass nozzle for spreading a coloring liquid in the intervals between the tiles constituting a preferably ceramic tile : en fr
  • FR891936A - Improvements in processes to facilitate the spreading of layers of hydrophilic colloids, applicable in particular to the manufacture of photographic products : en fr
  • USD137483S - Design for a camera holder : en
  • DK62044C - Grinding machine for dental treatment of animals, in particular Horses. : da en
  • FR891881A - Clasp for receptacle : en fr
  • US2344670A - Method of processing mica : en
  • US2344926A - Water-repellent fabric : en
  • AU118239B2 - Improvements relating to telephone and like impulsing systems : en
  • US2344902A - Brake system : en
  • US2344699A - Amplitude modulation limiter circuit : en
  • AU123927B2 - Improvements in or relating to tubing and to laminated fabrics for use inthe manufacture thereof : en
  • US2344786A - Antipound pump pressure equalizer : en
  • US2344508A - Measuring device : en
  • US2344928A - Oscillating knife motor : en
  • USD137488S - Design for a toy military tank : en
  • DE745334C - Process for the preparation of metal-containing monoazo dyes : de en
  • CA419109A - Ultra-violet screen for fluorescent lamps : en fr
  • US2344652A - Lifesaving apparatus : en
  • AU1204043A - u Improvement in composite billets, especially suitable forthe manufacture of ammunition and methods of making same : en
  • US2344499A - Lifter roof : en
  • US2344644A - Load supporting device : en
  • US2344774A - Starting and operating circuit for discharge lamps : en
  • US2344552A - Electric discharge device : en
  • US2344613A - Bookmark : en
  • CA419172A - Motor control and brake system : en fr
  • DE745727C - Magnetic-thermal release device for overcurrent switch : de en
  • SE110142C1 - Ski binding useful for ordinary cross-country running as well as for downhill or so-called slalom skiing : en sv
  • CA419227A - Wind driven propeller governor : en fr
  • FR891865A - Improvements to single cable control devices for mobile cable cranes : en fr
  • CA419184A - Radio receiver : en fr
  • US2344617A - Process for the production of salts by base-exchanging substances : en
  • USRE22458E - Alkylation process : en
  • AU118250B2 - Improvements in or relating to wool baling means : en
  • CA419144A - Stationary induction apparatus : en fr
  • GB560117A - Improvements in "clocking in" or workmen's time and wages cards : en
  • US2344662A - Selective automatic apparatus for reproducing images from records thereof : en
  • AU118235B2 - Improvements in and relating tothe vaporisation of metals : en
  • US2344864A - Air conditioned vehicle : en
  • USD137508S - Design fob a headlight bulb : en
  • US2344877A - Window construction : en
  • AU866043A - Improved spinning apparatus for use with games of chance : en
  • US2344884A - Wave transmission system : en
  • FR891817A - Solvent for polymerization : en fr
  • CA419151A - Cord strain device : en fr
  • FR891917A - Advanced press for the expression of oils from seeds or fruits : en fr
  • FR891793A - Shovel with tilting platform on the ground for easy loading and unloading : en fr
  • US2344789A - Destructive hydrogenation of hydrocarbon oils : en
  • CA419133A - Portland cement composition : en fr
  • US2344706A - Refrigerating apparatus : en
  • US2344494A - Method of coating glass thread : en
  • FR891760A - Treatment process for pine stumps : en fr
  • FR891947A - Improvements to plate pasteurization devices : en fr
  • FR891823A - Improvements to spark plugs and their manufacturing processes : en fr
  • DE745666C - Method for marking color ribbons : de en
  • FR891842A - Mounting system allowing metal pipes, of reduced thickness, installed in galleries or wells, to withstand external pressures : en fr
  • US2344916A - Method of preparing chewing gum bases : en
  • US2344591A - Hammer mill feed end : en
  • AU598242A - Improved machine for generating bevel gears : en
  • GB560169A - Distillation process : en
  • DE745354C - 35mm rangefinder based on the double image method for photographic and similar purposes : de en
  • US2344738A - Mold : en
  • GB560144A - Improvements in or relating to steering gear for vehicles : en
  • US2344593A - Clutch drive : en
  • US2344847A - Engine valve mechanism : en
  • CA419188A - Electric lamp : en fr
  • US2344690A - Brake : en
  • US2344925A - Tool device : en
  • US2344506A - Railway car side door : en
  • US2344526A - Brake and clutch operating mechanism : en
  • US2344492A - Air nozzle : en
  • US2344819A - Invoice form and method of invoicing : en
  • FR891782A - Process for recovering fatty substances contained in seaweed and river algae for use in the soap industry and others : en fr
  • US2344851A - Variable load brake : en
  • US2344688A - Emulsifying composition : en
  • US2344891A - Combined envelope and letter sheet : en
  • US2344640A - Packaging method : en
  • US2344529A - Machine tool transmission and control mechanism : en
  • GB560102A - An improved manufacture of lubricating oil compositions : en
  • GB560125A - Improvements relating to electric engine-starting motors : en
  • DK62053C - Procedure for the manufacture of spray liquids for the eradication of pests and plant diseases. : da en
  • US2344643A - Apparatus for feeding articles to mail treating machines : en
  • FR891804A - Improvement in hot filtering devices for gasifier gases : en fr
  • GB560134A - Manufacture and use of carboxylic acid amide derivatives : en
  • US2344516A - Propellent powder : en
  • US2344626A - Multiplying punch : en
  • US2344638A - Manufacture of inflatable game balls : en
  • US2344713A - Starting stall : en
  • DE745317C - Circuit for alternating current railway motors : de en
  • FR891922A - Manufacturing process of sealing plates : en fr
  • FR891944A - System for determining the distance from reflective surfaces, in particular the flight height of aircraft : en fr
  • US2344855A - Rack for dip coating sheetlike material : en
  • US2344654A - Residually maintained direct current electromagnet : en
  • US2344874A - Steam heating system : en
  • US2344889A - Process of isomerizing paraffins : en
  • USD137506S - Combined dial and hand for clock or similar article : en
  • DE745333C - Process for the production of azo dyes : de en
  • FR52367E - : fr
  • AU118270B2 - An improved switch-plug for use in electrical systems : en
  • US2344519A - Apparatus for burning oil : en
  • US2344835A - Pump : en
  • US2344920A - Frost mask : en
  • DE745365C - Process for the preparation of azo compounds : de en
  • GB560152A - Improvements in or relating to electric lamps : en
  • GB560129A - Improvements in means for removing residual charges from furnace hearths and the like : en