• DE642288C - Resilient iron pit lining : de en
  • US2072184A - Combined bathing trunks and supporter : en
  • FR809340A - Improvements in the treatment of carbonaceous materials by means of hydrogenating gases : en fr
  • GB462033A - An improved hinge and hinge mounting : en
  • US2072519A - Holder for paper towels in roll form : en
  • FR809344A - Method and device for cold manufacturing tubes and sections of all kinds by bending tapes or strips of sheet metal : en fr
  • CA364422A - Refractory cooling method : en fr
  • FR809427A - Improvements to switching devices, such as selector switches used in automatic telephone systems or the like : en fr
  • GB462011A - Improvements in the production of stiffened fabrics and fabric articles : en
  • GB462041A - Improvements in bogie arrangements for motor and other rail vehicles : en
  • GB462273A - Apparatus for ball throwing games : en
  • FR809553A - Method and device for adjusting sound recording using light : en fr
  • US2072275A - Method of and means for feeding : en
  • US2072803A - Reproducer for phonographs : en
  • FR809599A - Extendable crank device applicable in particular to cycles : en fr
  • US2072381A - Concrete slab joint : en
  • US2072637A - Electron discharge tube : en
  • US2072708A - Amplification control : en
  • DE642346C - Hollow building wall, ceiling, roof, etc. Like. With metal support members arranged in the wall cavity and sheet metal panels attached to them on both sides : de en
  • CA364488A - Dialyzing paper condenser : en fr
  • GB461995A - Improvements in or relating to apparatus for determining the correct diaphragm apertures in photographic cameras : en
  • GB462002A - Improvements in rollers for spinning, doubling, twisting and like machines for the production of yarns or threads : en
  • FR809327A - Method and apparatus for shrinking hollow bodies : en fr
  • GB462353A - Improvements in and relating to colour kinematography : en
  • FR47270E - Ski binding or attachment : en fr
  • FR47288E - Elastic suspension for wheels mounted on oscillating half-axles, in particular for motor vehicles : en fr
  • FR809339A - Process for obtaining alloys based on magnesium and aluminum : en fr
  • GB462066A - Improvements in or relating to cooking stoves : en
  • FR47264E - Improvements to discharge tubes : en fr
  • FR809384A - Process for preparing oxidative products of the dibenzanthronic series : en fr
  • FR809312A - Guide piece for punches : en fr
  • FR809367A - Process for manufacturing high value fuels : en fr
  • FR809546A - Electrode system : en fr
  • GB462251A - Improvements in methods of hardening surfaces of asbestos-cement products : en
  • US2072564A - Hot water bottle cover : en
  • GB515991A - Improvements in and relating to the mounting of guns and sights on mobile and fixed carriers : en
  • CA364409A - Directional gyroscopic indicator : en fr
  • FR47274E - Improvements to the apparent solidification processes, temporary or permanent, of liquids, and in particular of hydrocarbons : en fr
  • GB462108A - Improvements in and relating to means for preventing the loosening of screwed appliances : en
  • GB462278A - Horizontal chamber oven for the production of gas and coke : en
  • GB462288A - Improvements in and relating to two-stroke internal combustion engines : en
  • US2072259A - Anthraquinone dyestuffs : en
  • CA364464A - Fabric article conditioning apparatus : en fr
  • CA364518A - Sectional building : en fr
  • AU262936A - Improvements in or relating to safety razors : en
  • CA364476A - Electrical conversion system : en fr
  • DE642416C - Multi-phase power transmission system for high AC voltages through single-conductor cables : de en
  • USD103476S - Design for a desk fan : en
  • USD103441S - Design fob a vehicle heater casing : en
  • GB462286A - Improvement in methods of stripping and transferring photographic films : en
  • US2072124A - Fertilizer spray : en
  • FR809493A - Special axial displacement gears : en fr
  • DE642394C - Process for the production of physiologically balanced protein-free fluids from organs or the like. : de en
  • FR809345A - Improved device for limiting the force likely to be applied to a force transmission member, more particularly for controlling vehicle brakes : en fr
  • US2072676A - Tungsten-base alloy : en
  • FR809445A - Articulated hose for lubrication and other applications : en fr
  • US2072843A - Flexible coupling : en
  • USD103452S - Design for a lamp : en
  • GB462120A - Improvements in or relating to tape-applying machines : en
  • US2072177A - Manufacture and refinement of chemical pulps and regeneration of the spent chemical liquors : en
  • GB462106A - Improvements in or relating to the starting of injection internal combustion engines : en
  • FR809393A - Process for softening water : en fr
  • GB462078A - A speed limit indicating device for use in connection with motor-vehicles : en
  • GB462147A - Improved vibrating and levelling machine for use in laying concrete roads : en
  • DK52758C - Controls for Electric Motors. : da en
  • GB462125A - Improvements in breast-supporting garments for women's wear : en
  • FR809472A - Liquid spray station : en fr
  • GB462205A - Improvements in machines travelling in the body of a fluid : en
  • DE642100C - For driving tower clocks, high-performance time switches or similar timepieces with synchronous motors : de en
  • DE642328C - Device for triggering switching processes with the aid of light-sensitive electrical cells : de en
  • DE642489C - Suspension for moving vehicles by a crane : de en
  • USD103470S - Design for a dress : en
  • CA364524A - Feeding apparatus : en fr
  • DE642301C - Multipole high-frequency welding generator with several winding branches to feed independent circuits : de en
  • GB462015A - Improvements in or relating to direction finding aerial systems : en
  • GR6340B - NIGHT FOR THE WAVING (CURSING) OF THE COME. : el en
  • US2072701A - Bottle lock : en
  • FR809396A - Nail pullers for bicycles and the like : en fr
  • AU26736A - Improved stock lick : en
  • US2072725A - Shaking screen : en
  • USD103415S - Design for a hand mirror or similar : en
  • US2072303A - Artificial threads, bands, tubes, and the like for surgical and other purposes : en
  • US2072509A - Garnishing device : en
  • US2072796A - Package opener and contents extractor : en
  • US2072814A - Grinding machinery : en
  • US2072118A - Automobile robe support and bracket therefor : en
  • US2072497A - Apparatus for electrically vulcanizing india rubber pieces : en
  • US2072589A - Cathartic : en
  • US2072841A - Display device : en
  • FR809409A - Chalk holder : en fr
  • DE642393C - Electrical transformer with a main core and a secondary core carrying a choke coil : de en
  • DE642431C - Machine for inserting and shaping the holder wires and for inserting the filament into the support frame of an electric light bulb : de en
  • GB462355A - Improvements in or relating to frames for typewriters and calculating and like machines : en
  • US2072351A - Shoe calk : en
  • US2072827A - Method of and apparatus for feeding molten glass : en
  • US2072369A - Pressure indicator : en
  • USD103440S - Design for a vehicle heater casing : en
  • US2072422A - Necktie : en
  • DE642286C - Method and device for generating steam on submarines : de en
  • US2072129A - Abrading tool : en
  • US2072233A - Disconnecter : en
  • CA364442A - Tube or lamp wire body manufacture : en fr
  • AU100328B2 - Improvements in or relating to apparatus for moulding articles for example from artificial resins : en
  • CA364459A - Die casting alloy : en fr
  • US2072632A - Control means for wringer drive mechanism : en
  • US2072658A - Receiver arrangement for electric picture transmission : en
  • US2072314A - Safety system for pipe lines : en
  • US2072677A - Food handling apparatus : en
  • US2072143A - Synthetic resins and compositions containing the same : en
  • US2072211A - Method of and machine for folding sheet material : en
  • US2072214A - Method and means for use in lasting shoes : en
  • US2072443A - Salting of the intestines of animals prior to the use of said intestines as sausage skins : en
  • US2072516A - Insert attachment for wrapping machines : en
  • US2072663A - Bread butterer : en
  • GB462016A - Improvements relating to electric motors : en
  • DE642345C - Centrifugal mold : de en
  • US2072759A - Bottle filling and capping machine : en
  • GB462196A - An improvement in or relating to self-acting mules : en
  • USD103412S - Shoe or similar article : en
  • FR809571A - Method and device for extending lines of cotton, twine, fine wire or the like on or around bushes and trees : en fr
  • DE642311C - Manufacture of films and foils from weakly hydrolyzed cellulose acetate propionate : de en
  • US2072581A - Cutlery : en
  • GB462169A - Process for the manufacture of compounds of the type of crotylidene cyanacetic acid (2-cyan-2.4-hexadiene-acid-1) : en
  • US2072254A - Umbrella frame : en
  • US2072315A - Push-pull detector : en
  • US2072365A - Amplification control system : en
  • US2072603A - Upholstery panel : en
  • GB462193A - Improvements in or relating to adaptors for connecting bottles to taps : en
  • GB462356A - Improvements in and relating to electric discharge lamps : en
  • FR809307A - Projectile improvements : en fr
  • FR809600A - Device for joining two vehicles : en fr
  • ES143426A1 - An electric discharge lamp. : en es
  • US2072495A - Tunnel mucking machine : en
  • US2072683A - Finger pointer and nail protector : en
  • US2072393A - Pressure filter : en
  • US2072520A - Automatic closure-support : en
  • US2072643A - Dehumidifier : en
  • US2072389A - Extension switch : en
  • DE642470C - Process for hops from wort with hop extracts : de en
  • CA364423A - Coating composition : en fr
  • DE642485C - Process for the production of mineral-tanned leather : de en
  • FR47252E - Method and device for producing synchronization pulses : en fr
  • DE642496C - Distributor for ignition devices : de en
  • GB462390A - Improved construction of wings, aerofoils and the like for aeronautical machines : en
  • GB462068A - Improved door fasteners on railway vehicles such as mineral wagons : en
  • GB462215A - Improvements in or relating to heat insulation : en
  • DE642494C - Device for generating a starting mixture for internal combustion engines : de en
  • US2072237A - Manufacture of aromatic carboxylic derivatives : en
  • US2072806A - Process for the separation of primary from secondary alcohols : en
  • US2072808A - Process of producing dull-luster bactericidal filament : en
  • US2072571A - Window regulator : en
  • US2072599A - Device for covering the steam exhaust pipe of locomotives : en
  • CA364492A - Electrical sizing device : en fr
  • CA364427A - Drying oil composition : en fr
  • GB462075A - Improvements in and relating to rotary grates, particularly applicable to the furnaces of steam generators or the like : en
  • CA364433A - Temperature regulating apparatus : en fr
  • FR809412A - Process for reacting solid substances, liquids or gases : en fr
  • AU100329B2 - Apparatus for catching flies and other insects : en
  • DE641323C - Process for the production of multilayer metals from several, primarily two metals of very different extensibility or machinability and hardness : de en
  • US2072817A - Ingot mold for casting type metal pigs : en
  • US2072743A - Signal device and system therefor : en
  • US2072146A - Abrasive article and method of manufacturing the same : en
  • CA364483A - Cigar and cigarette lighter : en fr
  • FR47297E - Fillers for hydrocarbon binders and preparation of fillerized tars : en fr
  • FR809428A - Improvements made to seamless connection means : en fr
  • GB462367A - Improvements in devices for agitating fluid matter to produce froth : en
  • CA364450A - Embossing matrix : en fr
  • DE642375C - Process for the production of custard starch from potato starch : de en
  • US2072269A - Latch : en
  • US2072778A - Automobile spring arrangement : en
  • USD103460S - Design fob a vehicle body : en
  • AU265736A - Improvements in heat and/or sound insulators : en
  • FR809542A - Relief map : en fr
  • FR809579A - Process for the treatment of plant parenchyma, seeds, roots, fruits, vegetables, etc. and products obtained by this process : en fr
  • GB462206A - Improvements in or relating to the manufacture of hydrated titanium compounds : en
  • USD103434S - Design for an insect poison : en
  • FR809461A - Public lighting apparatus and device : en fr
  • GB462298A - Improvements in supplying scavenging air to internal combustion engines : en
  • AU100345B2 - Improved stock lick : en
  • US2072840A - Mandrel registering mechanism for enameling machines : en
  • DE642478C - Choke coil with secondary winding and influenceable inductance : de en
  • FR809464A - Improvements made to articulation mounting devices, in particular those for rear-view mirrors of motor vehicles : en fr
  • GB462086A - Improvements in machines for cleaning carpets, garments or other textile articles : en
  • US2072164A - Specific gravity indicating device : en
  • US2072554A - Method of making window guide cores : en
  • USD103457S - Design fob a dress : en
  • USD103482S - Design for a bathtub : en
  • US2072453A - Gilling machine and drawing machine for the treatment of fibrous materials : en
  • US2072726A - Latch : en
  • US2072834A - blakey : en
  • US2072097A - Waterproofing frictional type material : en
  • US2072756A - Jug spout : en
  • US2072349A - Mold and method of molding : en
  • US2072368A - Tungsten-base alloy for points of gold nibs : en
  • CA364522A - Concrete building : en fr
  • FR809451A - Automatic ticket dispenser : en fr
  • US2072327A - Dispensing device : en
  • US2072499A - Overhead track for cars, aircraft, and the like : en
  • CA364543A - Fastener : en fr
  • US2072207A - Heat resisting fluoride borosilicate glass : en
  • GB462223A - Improvements in lace fabric : en
  • AU100312B2 - Gravitational self opening and closing gate : en
  • US2072385A - Dissolving apparatus : en
  • US2072504A - Check testing apparatus : en
  • US2072294A - Constant pressure gas regulator : en
  • DE642148C - Process for the preparation of clusters of phenylenediamines : de en
  • US2072154A - Cyclic process of sewage treatment and sludge disposal : en
  • US2072383A - Knock down cabinet : en
  • AU105359B2 - Method of producing paper products, cardboard, pressed cardboard orthe like products impregnated within the mass with bitumen : en
  • DE642426C - Union nut for rigid connection of two pipes in refrigeration machines : de en
  • US2072503A - Combination torpedo fusee : en
  • US2072767A - Refrigeration : en
  • GB462134A - Improvements in metal crates for bottles and the like : en
  • US2072582A - Spring balancer : en
  • CA11335S - Vehicle tyre tread : en
  • DE642521C - Drainage device for steam heating lines of railway vehicles : de en
  • FR809398A - Improvements in the destructive catalytic hydrogenation of distillable solid carbonaceous materials : en fr
  • AU141636A - Improvements in or relating to apparatus for moulding articles for example from artificial resins : en
  • US2072719A - Slow-burning powder for fuses, etc. : en
  • US2072529A - Crawler mechanism : en
  • CA364400A - Sole presser mounting : en fr
  • US2072737A - Process of cooling bread and bakery products : en
  • GB462462A - Methods of and means for depolarizing primary cells and batteries : en
  • US2072238A - Manufacture of naphthalene derivatives : en
  • CA364542A - Dowel : en fr
  • GB462142A - Improvements in or relating to book-rests and like supports : en
  • GB462150A - Improvements in or relating to the manufacture of self-locking nuts : en
  • GB462307A - Improvements relating to the production of motor fuels : en
  • DE642358C - Method and device for treating wort : de en
  • GB462260A - Improvements in or relating to endless belt conveyors for coal or the like : en
  • USD103480S - Design for a dress : en
  • US2072563A - Automatic multiple broaching machine : en
  • US2072698A - Toy building : en
  • DK52777C - Drying system. : da en
  • DE642441C - Machine for the production of wooden spoked wheels : de en
  • DE642291C - Process for the production of nitrogen- and halogen-containing organic compounds from dihalohydrins : de en
  • FR809453A - Automatic rudder control device : en fr
  • US2072656A - Pressure fluid actuated spinning motor : en
  • USD103472S - Design for a dress : en
  • AU66436A - Improved collapsible oven : en
  • CA364457A - Friction element : en fr
  • DE642314C - Coupling link for the temporary coupling of two machine units with not exactly aligned shaft centers : de en
  • DE642399C - screen : de en
  • FR809446A - Manufacturing process for aircraft bombs, shells, etc. : en fr
  • GB462177A - Improvements in and relating to protecting devices for window and door openings : en
  • US2072332A - Method of dry cleaning : en
  • US2072616A - Armature for relays : en
  • FR809359A - Process for preparing phthalocyanine dyes : en fr
  • US2072296A - Machine for carbonating liquids : en
  • US2072374A - Toy vehicle : en
  • FR809387A - Needle Knitting Looms Improvements : en fr
  • GB462157A - Improvements in or relating to electric storage batteries : en
  • GB462144A - A device for supporting trousers, breeches and the like without the aid of braces or belts : en
  • GB462312A - Improvements in or relating to shades or reflectors for electric lamps or other light sources : en
  • DE642353C - Interrupter control for aircraft : de en
  • GB462275A - Improvements in or relating to braun tubes : en
  • US2072423A - Refrigerating apparatus : en
  • US2072561A - Coupling : en
  • US2072704A - Escapement construction : en
  • GB462102A - Improvements in or relating to moving stairways : en
  • DE642364C - Compressed gas switch with multiple interruption : de en
  • DE642504C - Process for the production of thin-walled, lightweight containers for medium and low pressures : de en
  • GB462373A - Improved construction of roofs, floors, ceilings and the like : en
  • US2072818A - Synthetic resin : en
  • DE642440C - Removable backrest padding on upholstered furniture : de en
  • DE642244C - Process for removing weak gaseous acids from gases : de en
  • GB462265A - Improvements in or relating to raincoats and like garments : en
  • US2072781A - Prime-mover-electric traction system : en
  • US2072343A - Oil burner : en
  • US2072553A - Specific gravity indicator : en
  • US2072562A - Spring cushion : en
  • US2072744A - Heater for automobiles : en
  • USD103428S - Design for an illuminating fixture : en
  • USD103459S - Design for a combined automatic : en
  • CA364398A - Liquid fuel atomizing apparatus : en fr
  • US2072128A - Machine for operating on heels : en
  • US2072488A - Press system : en
  • US2072201A - Insulator and method of making it : en
  • US2072559A - Garment supporter : en
  • US2072797A - Nuclear halogenated mixed ethers and process for producing the same : en
  • US2072340A - Feed mechanism for machine tools : en
  • US2072473A - Hitch for automobile trailers : en
  • FR809365A - Device for the economical and practical use of blue for laundry : en fr
  • AU100355B2 - An improved chicken brooder : en
  • CA364472A - Electric converter system : en fr
  • CA364529A - Plate holder : en fr
  • DE642415C - Electrically powered vehicle : de en
  • FR47295E - Improvement in removable type panels : en fr
  • GB462261A - An improved container for bandages, dressings and the like : en
  • DE642343C - Process for the production of durable solutions of p-aminobenzoyldiaethylaminoethanol : de en
  • CA364444A - Oil refining process : en fr
  • DE642462C - Transformer arrangement, especially for sub-paving stations : de en
  • FR809380A - Invisible ray vision system : en fr
  • FR809470A - Improvements to pneumatic tires : en fr
  • GB462173A - Improvements in heating elements for electrically heated apparatus : en
  • GB462225A - Improvements in or relating to apparatus for humidifying air and other gases : en
  • GB462244A - Improvements in the manufacture and production of granular fertilisers : en
  • GB462010A - Improvements in or relating to fluid mixing systems : en
  • FR809528A - Process for obtaining elastic films resistant to cold and use of these films in safety glasses : en fr
  • GB462088A - Improvements relating to arc-converters : en
  • US2072176A - Spring nut lock : en
  • US2072528A - Impulse television system : en
  • US2072228A - Last lathe : en
  • US2072777A - Cutlery : en
  • US2072171A - Car roof running board : en
  • CA364408A - Hydrocarbon oil processing : en fr
  • US2072137A - Strip dispensing apparatus : en
  • GB462297A - Improvements in and relating to clockwork switch devices for periodic absorption refrigerating apparatus : en
  • FR809555A - Improvements in the reinforcement of suspended electric cables : en fr
  • US2072322A - Fluid reaction apparatus : en
  • DE642409C - Dispensing system for the separate delivery and registration of two different liquids : de en
  • US2072168A - Journal bearing : en
  • US2072220A - Fluid flow meter : en
  • US2072452A - Gilling machine and drawing machine for the treatment of fibrous materials : en
  • US2072799A - Card game : en
  • US2072241A - Means for carrying coils of wire or tape-shaped bodies : en
  • US2072250A - Treatment of filaments, films, and similar materials containing organic derivatives of cellulose : en
  • US2072595A - Well pumping apparatus : en
  • US2072729A - Safety switch : en
  • CA364413A - Electric lamp : en fr
  • GB462096A - Arm chair for use in entertainment halls or the like : en
  • US2072496A - Tufting attachment for sewing machines : en
  • US2072500A - Thermostat : en
  • AU100314B2 - Improvements in or relating to bottles or containers of paper woodpulp orthe like : en
  • US2072487A - Purification of cellulosic material : en
  • US2072513A - Auxiliary seat : en
  • CA364520A - Square : en fr
  • GB462056A - Improvements in apparatus for directional illumination : en
  • US2072170A - Elements for use in the electrodeposition of chromium : en
  • US2072638A - Electrode mounting for discharge tubes : en
  • US2072724A - Necktie : en
  • DE642324C - Process for bright annealing of cold-rolled sheet metal and strips : de en
  • CA364547A - Game : en fr
  • DE642476C - Device for the automatic, sudden release of the pressure force of worn carbon brushes from electric motors : de en
  • FR809438A - Improvements made to positive displacement rotary pumps and motors of the same type : en fr
  • GB462168A - Improvements in or relating to soles and heels for footwear : en
  • GR6341B - ECONOMIC RUBBER GYMNASTICS INSTRUMENT. : el en
  • USD103424S - Design for a textile fabric : en
  • FR809436A - Advanced articulation device and its applications : en fr
  • US2072664A - Railway vehicle : en
  • FR809350A - Ionizer for liquid or gaseous fluids or pulverized mineral or vegetable matter : en fr
  • FR809466A - Liquid fuel burner : en fr
  • GB462455A - Improvements in or relating to radio wave signalling systems : en
  • AU308236A - Improvements in or relating to accordions : en
  • CA364436A - Electrolytic metal treatment : en fr
  • FR47256E - Rotary device for cleaning : en fr
  • AU289236A - Production of chlorine dioxide : en
  • US2072645A - Mixing valve : en
  • US2072692A - Memorial candle : en
  • US2072293A - Nitro derivative of tertiary butyl pseudocumene and process for preparing same : en
  • USD103418S - Design for a coin operated dispens : en
  • US2072623A - High speed piston ring system : en
  • USD103473S - Design for an ensemble dress : en
  • DE642483C - Device to protect the glow cathodes of alternating current supplied vapor or gas discharge vessels : de en
  • AU100325B2 - Process of producing and refining organ extracts : en
  • US2072180A - Internal combustion engine : en
  • US2072232A - Signaling system for railroads : en
  • CA364458A - Friction element : en fr
  • DK52753C - Railway coupling. : da en
  • DE642456C - Device for securing overhead railway vehicles against lifting off the suspension cable : de en
  • US2072355A - Scaffolding : en
  • US2072757A - Multiple sheet pack and/or container : en
  • AU253736A - Bituminous composition and process of making thesame : en
  • GB462012A - Improved apparatus for preparatory processes, such as mixing or kneading : en
  • GB462122A - System for permitting articles or scenes concealed by fog to be viewed : en
  • FR809503A - Pylon of t. s. f. forming antenna : en fr
  • US2072248A - Production of artificial filaments and like materials : en
  • US2072357A - Apparatus for producing water gas : en
  • US2072681A - Food handling apparatus : en
  • US2072747A - Carrier system : en
  • DE642325C - Conveyor wagon with a spring-loaded pushing device : de en
  • GB462182A - Process for the manufacture of isocyanates : en
  • US2072318A - Stacking mechanism for paper box machines and the like : en
  • US2072283A - Automatic gain control : en
  • USD103404S - Cover shield or the like : en
  • DE642330C - Process for the production of chunky magnesium metal : de en
  • DE642357C - Deep digger : de en
  • US2072440A - Ring : en
  • AU100348B2 - Improved collapsible oven : en
  • CA364500A - Electric lamp socket fastener : en fr
  • GB462258A - Improvements in or relating to television and the like systems : en
  • US2072583A - Laminated glass : en
  • US2072805A - Conversion of hydrocarbons : en
  • AU100319B2 - Amperage flow controlling device : en
  • CA364399A - Shoe presser element : en fr
  • US2072133A - Portable manifolding device : en
  • FR809343A - Metal clasp for trunks, suitcases, bags, wallets, trunks and trunks of automobiles, furniture, doors, and all objects with closures that adapt to them : en fr
  • GB461993A - Improvements in or relating to roll carriers for photographic strip film : en
  • FR809520A - Sophisticated mobile bakery installation on railway tracks : en fr
  • US2072112A - Ignition system : en
  • US2072342A - Photoelectric tube : en
  • US2072136A - Strip dispensing apparatus : en
  • US2072384A - Method of and apparatus for proportioning combustible fluids : en
  • AU194036A - Improvements in or relating to apparatus for degreasing by means of volatile solvents : en
  • US2072245A - Bottle capping machine : en
  • DE642279C - Braking device for wheels with tires arranged directly on the hub, especially for aircraft : de en
  • DK52763C - PROCEDURE FOR MANUFACTURING A PROTECTIVE OR COATING AGENT RESISTANT TO ACIDS, BASES AND SPECIAL GASES. : da en
  • AU100356B2 - Improvements in gas hot water storage systems : en
  • US2072114A - Audio frequency amplification : en
  • CA364461A - Copper base alloy : en fr
  • FR809348A - Process for preparing activated carbon : en fr
  • GB462130A - Improvements in or relating to pressure regulating valves : en
  • GB462178A - Improvements in or relating to shock-absorbing torque-transmitting means : en
  • FR47273E - : fr
  • DE642297C - Rail fastening between ribs of the base by means of clamping plates supported in openings in the ribs : de en
  • USD103389S - Design foe a container closure : en
  • USD103401S - Design for an upright wano : en
  • US2072700A - Display stand : en
  • US2072789A - Hydrocarbon process : en
  • USD103448S - Design for a combined lamp and radio : en
  • US2072279A - Operation of radio broadcast stations : en
  • US2072446A - Refrigeration apparatus : en
  • US2072115A - Luminescent screen : en
  • US2072758A - Soot and creosote eliminator : en
  • US2072830A - Method of producing dihydro follicular hormones : en
  • CA364420A - Humidifier feeding device : en fr
  • US2072352A - Safety garter purse : en
  • US2072371A - Folding box closure and fastener therefor : en
  • DE642363C - Toggle switch with a toggle lever sunk into the rocker switch : de en
  • CA364389A - Medicinal preparation : en fr
  • US2072079A - Centralized traffic controlling system for railroads : en
  • US2072686A - Composition of matter and method of making the same : en
  • US2072810A - Synthetic resin and method of producing : en
  • US2072828A - Orthopedic shoe : en
  • US2072334A - Metal window frame and sash construction : en
  • US2072627A - Method and apparatus for increasing fluid movement around oil well tools : en
  • US2072096A - Cooling tower : en
  • US2072454A - Vehicle advertising or display : en
  • US2072483A - Bathing cap : en
  • CA364394A - Tubular lamp filament support : en fr
  • DE642508C - Device for automatic regulation of the voltage of electrical machines by means of grid-controlled vapor or gas discharge paths in a rectifier circuit : de en
  • GB462213A - Process for the preparation of silica for glass batches : en
  • FR809305A - Process for the preparation of naphthenic acids from mineral oils or their derivatives : en fr
  • GB462295A - Polish : en
  • US2072672A - Container : en
  • CA364471A - Moving stairway : en fr
  • DE642437C - Process for the production of hard pitch : de en
  • FR809459A - Improvement in devices used for arc welding and similar processes : en fr
  • USD103431S - Design fob a braid or similar : en
  • GB462456A - Manufacture of cellulose derivatives and of artificial filaments, films and other shaped structures therefrom : en
  • US2072551A - Portable electric tool : en
  • AU100326B2 - Improvements in and relating to frameless mirrors : en
  • CA364527A - Salt and pepper shaker : en fr
  • FR809402A - Process for the production of thin, slightly curved sheet metal plates in a concave shape, in particular for wall elements in buildings : en fr
  • ES143384A1 - Procedure for obtaining combinations of thiazolium. : en es
  • US2072235A - Method of and means for detecting misfed sheets : en
  • US2072266A - Percussive tool driven by an inter nal combustion engine : en
  • FR809382A - Gasifier for the use of diesel fuel in gasoline engines : en fr
  • CA364480A - Tennis ball : en fr
  • CA364552A - Explosive cartridge : en fr
  • FR809487A - Process and devices for recovering heat from return water from a backpressure and pre-evaporation evaporator station : en fr
  • US2072465A - Production of polymeric nu-vinyl compounds : en
  • ES143401A3 - A method of coating paper. : en es
  • FR809302A - Colorants for vats and process for their preparation : en fr
  • CA364496A - Warning signal : en fr
  • FR47282E - heat exchanger : en fr
  • GB462076A - Improvements in or relating to stays for the hoods of baby carriages, invalid chairs or like vehicles : en
  • FR809311A - Safety device for refrigeration systems : en fr
  • FR809518A - Method for manufacturing oxide film cathodes : en fr
  • GB462045A - Improved synthetic resins and compositions containing the same : en
  • CA364512A - Windshield wiper : en fr
  • US2072109A - Method of and apparatus for spooling heels : en
  • US2072598A - Beet peeler : en
  • DE642525C - Mercury vapor rectifier with anodes arranged above the cathode, in which the part of the vacuum space containing the anodes is separated from the space parts used for condensation : de en
  • DE642283C - Circuit arrangement for achieving the synchronous starting of stepping mechanisms : de en
  • DE642299C - Control device for air heaters, especially for railway vehicles : de en
  • CA364545A - Shaving brush : en fr
  • US2072523A - Alarm : en
  • FR809449A - Movable position indicator, usable in particular as a liquid level indicator : en fr
  • FR809529A - Collagen fiber pipes and their manufacturing process : en fr
  • FR809569A - High pressure valve : en fr
  • DE642293C - Device for moistening planographic printing forms in printing machines by blowing heated moist air : de en
  • FR809419A - Filtration device for collective shelters : en fr
  • US2072489A - Spring of nickel iron alloy : en
  • USD103462S - Design for a dress : en
  • GB462087A - Electric clock mechanism : en
  • DE642360C - Smoldering furnace for coal : de en
  • FR809364A - Method and device for making cellulose yarns resistant to creasing : en fr
  • FR809372A - Process for cooling gases containing volatilized solids : en fr
  • GB462031A - Improvements in or relating to liquid fuel admission devices for internal combusion engines : en
  • US2072132A - Caster socket : en
  • DE642422C - Device for the further treatment of the plaster from malt cleaning machines : de en
  • FR809511A - Hand-held instrument for smoothing and calendering fabrics and other substances : en fr
  • GB462166A - Improvements in pens and method of making the same : en
  • DE642310C - Process for the production of cellular rubber from aqueous rubber dispersions : de en
  • GB462057A - Improvements in cocks : en
  • US2072284A - Machine for making spiral windings : en
  • DE642509C - Electric roller sector regulator with flexible oil or eddy current brake : de en
  • GB462269A - Improvements in or relating to the coating of aluminium and its alloys : en
  • US2072267A - System for landing aircraft : en
  • ES143383A1 - Hand-held tying machine. : en es
  • FR809534A - Gear shifting for machine tools, hydraulically controlled by sliding gears : en fr
  • FR809442A - Elastic seam cover fabric : en fr
  • GB462046A - Improved synthetic resins and their manufacture : en
  • GB462293A - Improvements in and relating to hoisting or lowering apparatus : en
  • DE642432C - Device for absorbing the force of the hitting halves of pull magnets made of sheet metal lamellas : de en
  • DE642438C - Helical fan : de en
  • FR47251E - Process for preparing alumina poor in silicic acid from alkaline earth aluminates : en fr
  • GB462049A - Improvements in or relating to locking arrangements for the doors of motor vehicles of the saloon type : en
  • DE642177C - Method and device for the automatic release of objects to be thrown from aircraft without the need for an ejector visor : de en
  • DK52773C - Shaver for Blades with one-sided Egg. : da en
  • FR47290E - Device applicable to scrubbing and cleaning, free of dust, heating boilers, stoves, etc. : en fr
  • US2072411A - Vehicle seat : en
  • GB462181A - Improvements in the manufacture and production of unsaturated aliphatic carboxylic acid nitriles : en
  • GB462188A - Improvements in gun mountings for aircraft : en
  • GB462354A - Improvements in and relating to tea withering lofts : en
  • US2072508A - Rubber-resin dispersions : en
  • US2072710A - Colloidal mill : en
  • FR809399A - Climbing shoe : en fr
  • GB462064A - A locking device for wheel covers of textile spinning and twisting machines : en
  • US2072253A - Treatment of textile materials made of or containing cellulose esters : en
  • FR809342A - Process for manufacturing, from condensation products, compounds constituting washing, emulsifying and wetting agents, and preventing the formation of insoluble soaps : en fr
  • US2072750A - Portable electric saw : en
  • DE642390C - Device for fastening internal parts, for example anode protection tubes in metal vapor rectifiers, in particular large-scale mercury vapor rectifiers : de en
  • GB462239A - Improvements in the manufacture and production of phthalocyanine dyestuffs : en
  • CA364528A - Recording game board : en fr
  • US2072449A - Accounting machine : en
  • AU126236A - Improvements in gas hot water storage systems : en
  • US2072619A - Flexible rail joint : en
  • USD103468S - Design for a dress : en
  • DK52770C - Apparatus for Enclosure of Bottles. : da en
  • FR809484A - Improvement in the processing of viscose yarns and the like for dyeing : en fr
  • FR809499A - New intermediates for the preparation of anthraquinone series dyes, their production process and their applications : en fr
  • GB462361A - Improvements in or relating to valves : en
  • GB462366A - New locking milk bottle retainer : en
  • US2072614A - Summer garments : en
  • US2072651A - Electron tube : en
  • US2072268A - Transmitter for electromagnetic waves : en
  • GB462152A - Improvements in roentgen ray apparatus : en
  • US2072076A - Locking mechanism for purses and the like : en
  • US2072319A - Mote board and cleaner for gins : en
  • USD103385S - Design for a brooch pin or similar : en
  • USD103469S - Design for a dress : en
  • US2072419A - Television method and apparatus : en
  • US2072103A - Process of manufacturing coring spoons : en
  • CA364526A - Garment band : en fr
  • GB462379A - Improved connection for structural members : en
  • US2072104A - Hydrocarbon oil treatment : en
  • US2072544A - Machine for making packing : en
  • USD103395S - Design for a shoe or similar article : en
  • USD103454S - Design for a watchcase : en
  • US2072693A - Hydraulic control apparatus : en
  • US2072362A - Mercury inertia switch : en
  • US2072723A - Game : en
  • US2072771A - Chemical products and process of preparing the same : en
  • FR47276E - Collar and support device : en fr
  • GB462039A - Improvements in change speed gear : en
  • DE642497C - Glow wire candle : de en
  • FR809313A - Method and device for decomposing gases or vapors from slow distillations : en fr
  • GB462164A - Improvements in and relating to reversible reduction gear : en
  • DK52754C - Antenna system for radio signaling systems. : da en
  • FR809558A - Control transformer : en fr
  • DE642368C - Arrangement for suppressing the harmonics, preferably the fifth, three-phase transformers or choke coils in the magnetizing current, iron-saturated : de en
  • DE642404C - Process for drawing an exposed film with protective paper tape on a roll film reel into a spiral groove reel rotatably mounted in a daylight developing can : de en
  • US2072794A - Egg holder : en
  • FR47278E - Motorcycle vehicle perfected to allow it to be used both on the road and on the railway : en fr
  • FR809321A - Method and device for combustion in a fireplace or the like : en fr
  • DE642449C - Container made of paper or the like with a sleeve-like container body and a square folding lock : de en
  • GB462131A - Improvements in or relating to the manufacture of hydrofluoric acid : en
  • GB462372A - Improvements in or relating to the exact shaping of moulds for artificial teeth and parts thereof : en
  • DE642309C - Flat roof interlocking tiles : de en
  • GB462262A - Coin-freed automatic merchandise vending machine : en
  • CA364441A - Television system : en fr
  • US2072086A - Digesting method and apparatus : en
  • US2072662A - Holder : en
  • FR809533A - Method and apparatus for chain stitching on multiple needle cover sewing machines : en fr
  • GB462384A - Dyestuff preparations and printing pastes : en
  • DE642439C - Sterilizing vessels for medical purposes : de en
  • GB462156A - Apparatus for making bars of frozen comestible material : en
  • FR809485A - High frequency rotary vibrator : en fr
  • GB462006A - Improvements in rotary compressors, exhausters, pumps and the like : en
  • US2072212A - Embedding mass : en
  • US2072507A - Bonded abrasive article and method of manufacturing the same : en
  • US2072543A - Packing : en
  • DE642319C - Tobacco spreader for cigarette machines : de en
  • DE642396C - Fire-heated, standing hot water boiler with a built-in flow heater for service water in the upper part of the water room : de en
  • FR47258E - Cellular rubber bandage : en fr
  • FR809349A - Hammer Drill Bucket : en fr
  • AU134036A - Improvements inthe method of manufacturing electric discharge devices having an envelope andan innertube andin the product of such method : en
  • DE642373C - Method and device for the electrolytic reinforcement of metal sheets : de en
  • FR47283E - : fr
  • GB462000A - Improvements in or relating to delay action detonators and fuzes and delay compositions for use therein : en
  • FR809389A - Autogenous welding transformer : en fr
  • FR809465A - Further training in machines for degassing plastics or the like : en fr
  • CA364502A - Light signal unit support : en fr
  • US2072481A - Hydraulic operating mechanism for circuit breakers and the like : en
  • US2072257A - Lock for cartons : en
  • USD103429S - Design fob an ashtray : en
  • GB462201A - Improvements in apparatus for opening and cleaning fibrous materials : en
  • CA364525A - Insulating material fastening device : en fr
  • DE642400C - Method for measuring the softness of textile threads : de en
  • GB461982A - Improvements in or relating to electrical signalling systems : en
  • GB462458A - A new or improved method of making tubes and apparatus therefor : en
  • US2072596A - Rubber composition and method of preserving rubber : en
  • USD103390S - Design for a strainer : en
  • USD103393S - Design for a print device for dairy : en
  • US2072247A - Process for the production of methylamine : en
  • US2072345A - Support for bath sprays : en
  • US2072711A - Mechanical pencil : en
  • GB462283A - Manufacture of cellulose derivatives and of artificial filaments, films and other shaped structures therefrom : en
  • US2072390A - Apparatus for taking photographs of the upper and lower jaws : en
  • US2072823A - Handle connection : en
  • AU84136A - Improvements in or relating to means for feeding glass to glass forming machines : en
  • US2072590A - Jigsaw : en
  • US2072227A - Signaling system for voice and telegraph operation : en
  • US2072429A - Accounting machine : en
  • US2072691A - Aerating apparatus : en
  • AU141336A - Improvements in or relating tothe production of fabrics treated with waterproof compositions of or containing rubber : en
  • GB462097A - Improvements in and relating to savings clocks : en
  • AU60436A - Process of producing and refining organ extracts : en
  • CA364470A - Camera : en fr
  • US2072194A - Method of forming canals in glassware : en
  • US2072674A - Superheater : en
  • CA364418A - Insulated wire manufacture : en fr
  • AU100310B2 - Bag loading machine : en
  • US2072815A - Cigarette paper bookmaking machine : en
  • US2072278A - Voltage multiplier circuit : en
  • CA364508A - Pulp beating machine : en fr
  • CA364523A - Curved tooth file : en fr
  • CA364445A - Sulphur processing : en fr
  • GB462143A - Improvements in or relating to roller blind destination indicators and the like : en
  • AU100357B2 - Improvements inthe method of manufacturing electric discharge devices having an envelope andan innertube andin the product of such method : en
  • US2072556A - Means for producing a variable : en
  • DE642295C - Methods of cleaning types of typewriters : de en
  • AU100322B2 - Improvements in or relating to safety razors : en
  • US2072647A - Joint forming means and construction making use thereof : en
  • US2072655A - Instrument panel : en
  • US2072666A - Accelerator brake control : en
  • US2072609A - Clock : en
  • CA364503A - Hydrocarbon gas processing : en fr
  • FR809567A - Safety device for threaded connections of electric current input wires of incandescent lamps, plugs, fusible plugs and others : en fr
  • GB462103A - Hand apparatus for light ray treatment, especially for medicinal purposes and for the activation of substances by means of ultra-violet rays : en
  • CA364507A - Pulp beater roll setting : en fr
  • US2072779A - Testing and setting device for artificial horizon instruments : en
  • AU202436A - Amperage flow controlling device : en
  • CA364511A - Cellulose ester film or sheet manufacture : en fr
  • AU105204B2 - Improvements in or relating to decorative surfaces and method of making same : en
  • US2072281A - Mixing and atomizing apparatus for hydrocarbons and other fluid materials : en
  • US2072602A - Method and apparatus for manufacturing upholstered panels : en
  • US2072445A - Hair cutter for domestic animals : en
  • US2072305A - Warning signal : en
  • DE642392C - Device for controlling electrical alternating current circuits, which contain in particular resistance welding machines : de en
  • GB462091A - Improvements in or relating to sound-permeable projection screens : en
  • GB462199A - Improvements in or relating to settling tanks : en
  • AU61436A - Improvements in and relating to frameless mirrors : en
  • DE642356C - Detachable connection for the bucket of bucket wheel excavators : de en
  • FR809306A - Automatic stopper for bottles or other similar containers : en fr
  • FR809310A - Incandescent cathode relay tubes : en fr
  • FR809411A - Improvements in the destructive hydrogenation of distillable carbonaceous materials : en fr
  • CA364451A - Plastic material : en fr
  • CA364475A - Electric valve : en fr
  • DE642410C - Monitoring device for door locks with a lock bolt that can be triggered electromagnetically from a distance : de en
  • US2072116A - Clutch mechanism : en
  • US2072251A - Manufacture or treatment of artificial materials : en
  • US2072339A - Feed mechanism for machine tools : en
  • US2072585A - Range receptacle : en
  • USD103436S - Design fob a tablecloth or similar : en
  • DE642500C - Switching process for incandescent lamp cinemas controlled by photocells and grid-controlled gas discharge vessels : de en
  • FR809320A - Process for smelting and casting magnesium and alloys rich in magnesium : en fr
  • FR809363A - Process for preparing resins based on urea and formaldehyde : en fr
  • GB462272A - Improvements in or relating to aeroplanes : en
  • DE642321C - Device for checking packs, in particular cigarette packs : de en
  • FR809509A - New way of preparing banana flour : en fr
  • FR809397A - Double parallel winding, especially for shunt commutator motors powered by the rotor : en fr
  • FR809532A - Process for printing subtractive images in several colors : en fr
  • GB462074A - Wireless aerial insulator : en
  • US2072490A - Advertising sign holder : en
  • FR47284E - Methods and apparatus for spraying liquid onto paper, tissue, etc. : en fr
  • FR809515A - Hairdressing device : en fr
  • FR809522A - Machine or device to be calculated : en fr
  • US2072460A - Ceramic tile composition : en
  • USD103445S - Design for an automobile radiator : en
  • US2072679A - Coupling system : en
  • US2072618A - Production of amines : en
  • USD103392S - Design fob a tray : en
  • DE642278C - Process for the optical sensitization of halide silver emulsions with the aid of carbocyanine dyes derived from simple thiazoles : de en
  • DK52749C - Method and Press for Pressing Metal. : da en
  • FR47271E - Angled and tapered valve box for instant wells : en fr
  • FR809304A - Products for extinguishing fires, process and tools for its manufacture : en fr
  • IE14634L - Liquid dispensing apparatus : en
  • ES143402A3 - A machine for applying mobile coating films. : en es
  • FR809435A - Improved method and device for placing capping caps : en fr
  • FR809574A - Method intended to prevent the exaggerated increase of the pressure in steam generators with low water capacity, and regulating device allowing the implementation of this method : en fr
  • FR809408A - Process for preparing colored artificial resinous materials : en fr
  • GB461983A - Improvements in or relating to radio receivers : en
  • DE642481C - Positive wick electrode with a carbon or graphite rod in the wick for high-performance arc lamps or headlights : de en
  • GB462162A - Improvements in or relating to sprocket rollers for driving and/or guiding kinematograph or sound record films : en
  • GB462256A - Improvements in multifloor garage buildings : en
  • GB462151A - Method of and apparatus for separating lighter from heavier components of liquids by distillation : en
  • GB462200A - Improved classifier : en
  • FR809410A - Process for preparing polymethine dyes : en fr
  • GB462228A - Improvements in and relating to electric signal transmission systems : en
  • US2072451A - Gilling machine and drawing machine for the treatment of fibrous materials : en
  • US2072505A - Anticlog means for check controlled apparatus : en
  • FR47298E - Apparatus intended for the preparation of perforated tapes used for the control of machines for composing lines of characters : en fr
  • FR809467A - Paper or cardboard containers for liquids and pasty or semi-liquid products : en fr
  • US2072448A - Rolling mill of the overhung type : en
  • US2072225A - Multiple purpose rubber accessory : en
  • CA364395A - Steel tent peg : en fr
  • US2072573A - Golf flag : en
  • US2072466A - Air heater : en
  • FR809498A - Photoelectric device, intended to actuate a relay or other mechanism according to the variations of a quantity and its applications : en fr
  • GB462145A - Improvements in or relating to drying plants : en
  • DE642369C - Armrest adjustment device on reclining chairs that can be adjusted by shifting your body weight : de en
  • GB462238A - Improvements in the manufacture and production of iminopolymethine dyestuffs : en
  • FR809531A - Improvements in the transmission of driving force by hydraulic means : en fr
  • FR809337A - Distributor of dental surgery instruments : en fr
  • DK52764C - Method for Manufacturing a Cotton Material. : da en
  • GB462183A - Manufacture of wearing apparel : en
  • US2072833A - Combination heating and cooling unit : en
  • DE640770C - Mixing device for playing cards : de en
  • US2072653A - Oscillograph : en
  • GB462001A - Improvements in and connected with steam superheaters : en
  • ES143411A1 - An electric discharge lamp. : en es
  • FR809495A - Contactor device allowing, in a t. s. f. or television, to illuminate the name of the transmitting stations by simply operating the capacitor : en fr
  • CA364401A - Ski binding : en fr
  • CA364417A - Motor control system : en fr
  • CA364540A - Cream separator : en fr
  • DE642474C - Joint arrangement with hanging and tensioning clamps for electrical lines : de en
  • FR809454A - Improvements to braking devices : en fr
  • US2072307A - Compressor : en
  • US2072190A - Agitator : en
  • US2072622A - Circuit for negative glow devices : en
  • US2072764A - Car and truck holder : en
  • FR809540A - Multi-storey car garage, with handling frames for cars : en fr
  • US2072696A - Suction cleaner : en
  • US2072285A - Throttle controlling attachment for motor cars : en
  • CA364419A - Cone-horn combination : en fr
  • CA364430A - Lactic acid purification : en fr
  • US2072148A - Belt lacing : en
  • US2072763A - Means for heating automotive vehicle interiors : en
  • US2072261A - Esterification of cellulose : en
  • US2072738A - Process of stabilizing cellulose xanthate : en
  • US2072366A - Reflex bulb syringe : en
  • US2072687A - Manufacture of plastic material : en
  • AU62136A - Improvements in storage photoelectric devices : en
  • GB462060A - Improvements in and relating to foam producing apparatus for fire-extinguishing and other purposes : en
  • GB462237A - Improvements in or relating to methods of and means for determining the presence of living organisms and/or the sex of living organisms : en
  • AU92336A - Improvements in or relating to electric arc converters : en
  • US2072308A - Method of making gear wheels : en
  • DE642320C - Device for mixing powdery substances with bituminous substances : de en
  • US2072434A - Switching system : en
  • US2072517A - Furnace circulatory system : en
  • US2072774A - Grave marker and flower holder : en
  • FR809504A - Battery enhancements : en fr
  • GB462255A - Improved mechanism for use in heating systems and the like : en
  • USD103449S - Design for a blouse : en
  • FR47269E - Azo dyes manufacturing process : en fr
  • US2072578A - Vibratory motor device : en
  • US2072518A - Closure for ice-making tubes : en
  • CA364443A - Circuit arrangement : en fr
  • US2072731A - Oil burner : en
  • AU100350B2 - Improvements in or relating to electron discharge device oscillators : en
  • US2072231A - Artificial textile material : en
  • US2072570A - Air-bound spring cushion : en
  • USD103450S - Design for an ensemble dress : en
  • US2072156A - Spring suspension : en
  • US2072482A - Compressor or pump : en
  • US2072610A - Device for recording and reproducing acoustic vibrations : en
  • USD103394S - Design for an illuminated advertis : en
  • GB461994A - Improvements in or relating to roll carriers for photographic strip film : en
  • DK52750C - Method for Preparing Positively Charged Emulsions. : da en
  • FR809482A - Low profile aerodynamic body of automobile car : en fr
  • CA364396A - Rubber-basis elastic composition : en fr
  • FR809547A - Focus checker for photographic enlargements : en fr
  • US2072174A - Reverse gear : en
  • US2072243A - Spring structure : en
  • CA364393A - Electric discharge vessel : en fr
  • AU100347B2 - Improved keying device for securing holding wedges in the shafts of axes, hammers and the like : en
  • FR809303A - Device for keeping rolling mill rolls clean : en fr
  • CA364535A - Insole for boots or shoes : en fr
  • CA364403A - Guard fabric for highways : en fr
  • GB461991A - Improvements in apparatus for drying sludge, cement slurry or the like : en
  • FR809502A - New switch for alternating current : en fr
  • FR809519A - Cathode ray tube : en fr
  • GB462271A - An automatic repeater for use with a gramophone : en
  • FR809346A - Pilot lanterns for vehicle signaling, lighting and beaconing during hostilities : en fr
  • FR809352A - Improvements in the preparation and recovery of light hydrocarbons : en fr
  • US2072665A - Bleaching process : en
  • US2072155A - Compositions and processes for soaking silk and textile materials : en
  • US2072798A - Sealing means for floating roofs for tanks : en
  • AU88736A - Improvements in electric heating devices : en
  • FR809575A - Process for coloring plants and fruits : en fr
  • US2072525A - Apparatus for holding a door open : en
  • US2072703A - Electrical outlet device : en
  • US2072822A - Heating unit circuit breaker : en
  • CA364432A - Glass making apparatus : en fr
  • CA364466A - Smoke consumer : en fr
  • DE642501C - Self-locking differential gear, especially for motor vehicles : de en
  • DE642482C - Device for capacity control for multi-circuit devices : de en
  • US2072594A - Ore concentrating table : en
  • USD103456S - Design fob a glove : en
  • USD103400S - Design fob an upright piano : en
  • FR809481A - Parquet plank : en fr
  • GB462180A - Improvements in or relating to automatic or semi-automatic telephone or like exchange systems : en
  • US2072336A - Duplicating machine : en
  • GB462047A - Apparatus for effecting inking in a rotary intaglio printing machine : en
  • GB462055A - An improved gas fire : en
  • DE642347C - Washing device for chemical analysis : de en
  • US2072135A - Portable register : en
  • GB462230A - Improvements relating to the maintenance of moisture content in textiles : en
  • GB462378A - Improvements in or relating to display devices such as signs : en
  • FR809469A - Improvements to cable carriers : en fr
  • US2072800A - Wire spoke wheel : en
  • FR47293E - Detector-regulator of the level of accompanying sounds, in cinematographic sound recording : en fr
  • FR809407A - Process for preparing high molecular weight olefins : en fr
  • US2072400A - Driving means for grain elevators : en
  • FR809551A - Method and apparatus for measuring the tightness of fabrics and the like : en fr
  • AU62036A - Improved slide carrier : en
  • US2072457A - Time indicating device : en
  • US2072751A - Rail joint : en
  • DE642387C - Arrangement to improve the power factor in multi-phase conversion devices : de en
  • US2072323A - Dyeing machine : en
  • GB462121A - A machine for screwing in and tightening the stoppers of screw-stoppered bottles : en
  • FR809413A - Transmissions : en fr
  • FR809381A - Toothbrush with a small ice cream to look at the teeth : en fr
  • GB462276A - A draught controlling device in central heating boilers : en
  • GB462220A - Improvements in combined toilet and cigarette cases : en
  • DE642294C - Device for changing the ink rollers of two- and multi-drum stencil printers : de en
  • FR809373A - Wetting agents, detergents, dispersants and others : en fr
  • DE642340C - Process for the production of highly viscous oils : de en
  • FR809477A - Improvements to electric discharge tube installations : en fr
  • FR809492A - Track change for monorail and hook intended to cooperate with said change : en fr
  • GB462105A - Improvements in carburetters for internal combustion engines : en
  • US2072244A - Deadening means for office machines and like shock and noise generating units : en
  • GB462179A - Improvements in or relating to seats and seat backs or cushion devices for use therewith : en
  • GB462304A - New or improved glasses : en
  • GB462217A - Improvements in prepayment telephone apparatus : en
  • GB462358A - Improvements relating to oil or like liquid fuel burning devices suitable for orchard heating : en
  • GB462149A - Improvements in apparatus for treatment with solvents : en
  • GB462140A - Improvements in photographic developing solutions for colour photography : en
  • GB462457A - Improvements in or connected with cork cots, more particularly for textile or other rolls, and method of making the same : en
  • CA364415A - Electric safety lamp : en fr
  • FR809378A - Device for the automatic determination and adjustment of the fat content of milk, cream and other similar substances : en fr
  • US2072093A - Process and apparatus for the fractional distillation of liquids : en
  • FR809527A - Purification process of natural organic products and resulting products : en fr
  • FR809434A - Belt tensioner for dynamo or return : en fr
  • FR809566A - Pick-up mechanism, for multi-spindle bar turning machines : en fr
  • AU63036A - Freezing medium, method of production and application for freezing purposes : en
  • FR809589A - Maltese cross mechanism for film projectors : en fr
  • DK52759C - Method for Machining the Surface of Electrodes for Electrolytic Capacitors. : da en
  • DE642334C - Firedamp proof plug-in contact : de en
  • DK52772C - Rent for Swing windows. : da en
  • US2072282A - Lift and like controlling mechanism : en
  • US2072515A - Antifriction bearing : en
  • US2072654A - Machine for packing merchandise in bags : en
  • DE642506C - Device on writing and similar machines for setting the paper carriage to any writing position within the line : de en
  • US2072191A - Coin wrapping device : en
  • US2072816A - Valve for aerating liquid vessels : en
  • US2072825A - Condensation products from hydroxylated cyclic compounds and acetylene : en
  • DE642491C - Device for making chair seats : de en
  • US2072158A - Weft inserting apparatus for looms with fixed weft bobbins : en
  • US2072178A - Automatic lighter : en
  • US2072388A - Tobacco box : en
  • US2072717A - Protective device for capacitors : en
  • DE642359C - Process for improving the internal suction in coking ovens : de en
  • DE642372C - Self-seller for electricity or the like. : de en
  • USD103423S - Design fob textile fabric : en
  • USD103426S - Design fob a bottle : en
  • DE642490C - Overflow storage tank for domestic hot water supply systems with any number of taps : de en
  • CA364531A - Power transmission : en fr
  • DE642446C - Coupling for devices for turning machines : de en
  • FR809371A - Electroplating of tungsten alloys : en fr
  • FR809552A - Improvements to flat bar knitting machines and the manufacture of knits thereon : en fr
  • GB462071A - Improvements relating to lubricant containing baths for the fulcrum bearings of weighing levers : en
  • GB462118A - Improvements relating to crank mechanisms : en
  • GB462309A - Greenhouse ventilator : en
  • US2072501A - Apparatus for electrostatic separation : en
  • US2072361A - Device for flavoring cigarettes : en
  • US2072702A - Electrical outlet device : en
  • FR809595A - Method of making knitted articles on straight knitting machines : en fr
  • FR809326A - Cleaning device : en fr
  • GB462292A - Improvements in and relating to hoisting or lowering apparatus : en
  • GB462090A - Improvements in the key lever mechanism of typewriters : en
  • GB462084A - Multiple guilloching device : en
  • CA364463A - Floor sanding machine : en fr
  • US2072462A - Coin collector : en
  • USD103478S - Design for a dress ensemble : en
  • US2072722A - Hydraulic transmission : en
  • US2072644A - Raincoat : en
  • DE642407C - Device for shutting off lines for gases and liquids by means of an elastic hose : de en
  • DE642471C - Method and machine for the production of twist-free barbed wire from steel wires : de en
  • DE642466C - Process for the production of a binder : de en
  • GB462136A - Improvements in or relating to walking sticks : en
  • ES143391A3 - Improvements in the machines to beat the pulp and the like. : en es
  • US2072762A - Cultivator : en
  • DE642303C - Synchronous small motor with rotor polarized by a permanent magnet arranged inside the rotor : de en
  • US2072660A - Covering in meat products : en
  • DE642367C - Arrangement for regulating the current in arc rectifiers : de en
  • US2072117A - Clutch mechanism : en
  • US2072189A - Tuning indicator : en
  • CA364478A - Cellulose pulp production : en fr
  • CA364449A - Yarn manufacture : en fr
  • FR809386A - Process for monomerizing polymethacrylic esters : en fr
  • US2072121A - Method and apparatus for guiding material : en
  • US2072492A - Jet impact pulverizer : en
  • DE642523C - Device for connecting a live alternating current network to a direct current network, alternately working as a rectifier and inverter, to the direct current network during inverter operation : de en
  • US2072346A - Drainage tube : en
  • FR809500A - Process for extracting the anhydride resulting from the thermal decomposition of organic acids, and in particular acetic acid : en fr
  • US2072159A - Weaving loom for continuous weaving in which the weft is inserted by means of pirnless shuttles : en
  • US2072435A - Flow valve : en
  • DE642383C - Axle bearings for rail vehicles, especially for light rail locomotives : de en
  • FR809598A - Centering machine : en fr
  • GB462065A - Automatic apparatus for filling, emptying and handling stacked moulds : en
  • FR809513A - Method of preparing a vaccine for the preventive vaccination of newborn animals against diseases caused by trypanosomes : en fr
  • GB462119A - Improvements relating to tool holders : en
  • GB462241A - Improvements in cocks : en
  • FR809506A - New material coating process : en fr
  • FR809591A - Improvements to control means actuated by fluid pressure, and particularly to regulators that can be actuated as a function of speed, for injection pumps : en fr
  • DE638240C - Photographic camera whose housing accommodates a flash device : de en
  • DE642263C - Crane hook for picking up the aircraft : de en
  • GB462207A - Improvements in or relating to coin-operated and coin-freed gas meters : en
  • DE642344C - Cosmetic preparations : de en
  • CA364513A - Ash tray and glass holder : en fr
  • CA364404A - Synthetic tanning material : en fr
  • FR47253E - Sun visor with movable screens adjustable at will : en fr
  • GB462028A - Improvements in or relating to the production of semi-soluble and dispersable calcium pectinate : en
  • FR809317A - Electro-magnetic timer, with pneumatic braking and free fall : en fr
  • ES143414A1 - A PROCEDURE FOR THE MANUFACTURE OF ADDITIVE COLOR FILMS : en es
  • FR809329A - Manufacturing process of polycarboxilic acids and anhydrides : en fr
  • US2072510A - Telltale device for games : en
  • US2072192A - Process of treating sour milk products : en
  • US2072379A - Motor vehicle power transmission : en
  • DE642477C - Single or multi-phase short circuit motor with distributed winding : de en
  • FR809394A - immobilizable nut parallel retractor for dental orthopedics : en fr
  • GB462155A - Improvements in or relating to grips for handles of golf clubs, cricket bats, tennis rackets or other shaft-like bodies : en
  • CA364538A - Furnace electrode clamp : en fr
  • DK52751C - Condensation water discharge. : da en
  • FR809374A - Propulsion by automatic displacement of the center of gravity of a wheel relative to its axis of rotation : en fr
  • FR809489A - Improvement in synchronization systems intended in particular for the reception of images on television : en fr
  • GB462176A - Manufacture of azo dyestuffs : en
  • DE642300C - Process for removing gas and air inclusions from cables that have already been filled with liquid : de en
  • GB462375A - Improvements in or relating to screened wireless receiving apparatus : en
  • GB462128A - Improved apparatus for cutting and shredding sugar cane : en
  • DE642468C - Cleaning device for gas containers with corrugated, elastic jacket : de en
  • DE642452C - Bulkhead penetration of pipelines on ships : de en
  • GB462160A - Improvements and devices for separating liquids of different specific gravity, for instance cream from milk : en
  • FR809432A - Improvement in electrical conduits under tubes : en fr
  • GB462243A - Improvements in or relating to cathode ray tubes : en
  • GB462387A - Improvements in and relating to conveyors, and link chains therefor : en
  • USD103410S - Design for a shoe ok similar article : en
  • GB462377A - Improvements in or relating to coupling devices : en
  • GB462240A - Improvements in or relating to the annealing and like heat treatment of metals : en
  • FR809341A - : fr
  • US2072183A - Sun mask : en
  • US2072376A - Process of removing fluorides from water : en
  • US2072685A - Garment support : en
  • US2072142A - Synthetic resins : en
  • FR809597A - Hitch with ball joint for motor vehicle trailers : en fr
  • ES143393A1 - A method for carrying out the fusion bonding of conductor wires, tungsten or molybdenum, current, in quartz glass containers and to obtain the intermediate bodies intended for this connection. : en es
  • ES143418A2 - A DRY GASOMETER WITH WAVY ELASTIC CONTROL : en es
  • FR809404A - Process for improving textile materials : en fr
  • US2072208A - Pressing machine and buck : en
  • US2072363A - Automatic numbering device : en
  • USD103419S - Design for a wheeled coaster : en
  • FR809473A - Hydraulic coupling device between a driving shaft and a driven shaft : en fr
  • GB462123A - Improvements relating to the construction of levers : en
  • GB462198A - An improved process for resolving mixtures of liquid hydrocarbons into the components thereof by means of selective solvents : en
  • US2072624A - Saw blade : en
  • US2072203A - Power steering apparatus for vehicles : en
  • DE642388C - Electric incandescent lamp with a power supply wire installed in the hollow base and designed as a fuse : de en
  • FR809516A - Process for establishing plates or shapes for monochrome or polychrome printing, in particular plates or intaglio shapes for intaglio printing : en fr
  • CA364435A - Cold box : en fr
  • DE642302C - Device for converting alternating voltage into high direct voltage : de en
  • DE642453C - Removable fork for hollow roof tiles : de en
  • CA364501A - Double snap fastener : en fr
  • FR809508A - Optical device for observing transparent images : en fr
  • CA364460A - Copper alloy : en fr
  • DE642447C - Covering process for metallization of insulating materials by cathode sputtering : de en
  • DE642503C - Inflatable life jacket : de en
  • US2072311A - Liquid depth or contents gauge : en
  • CA364469A - Film spool : en fr
  • ES143400A1 - A method to cover paper. : en es
  • GB462257A - Improvements in and relating to devices for gripping tubes or pipes in well drilling operations : en
  • US2072085A - Process for breaking emulsions : en
  • US2072173A - Shock absorber : en
  • DE642351C - Holder for cutting bars on scissors : de en
  • US2072120A - Resinous material : en
  • US2072304A - Manufacture of stove dampers : en
  • CA364549A - Pouch making machine : en fr
  • FR47259E - Folding baby carriage : en fr
  • CA364397A - Filling apparatus for gas bottles : en fr
  • DE642349C - Roller bearing guide : de en
  • US2072338A - Oil well grapple : en
  • US2072215A - Wire cable end clamp : en
  • US2072408A - Method of treating porous masses : en
  • US2072575A - Nickel base alloy : en
  • AU100358B2 - Improvements in or relating tothe production of fabrics treated with waterproof compositions of or containing rubber : en
  • CA364405A - Synthetic tanning material : en fr
  • AU65336A - Improved keying device for securing holding wedges in the shafts of axes, hammers and the like : en
  • DE642252C - Device for transferring originals with printable mirror writing : de en
  • FR809568A - Selector for electrical connection systems : en fr
  • DE642389C - Vapor-filled electric discharge tube, which consists of four parallel tube parts and is provided with a base : de en
  • US2072601A - Ice tray : en
  • US2072807A - Means for and method of controlling flow of glass to a feeder outlet : en
  • US2072531A - Flow control system : en
  • GB462368A - Improvements in socket wrenches : en
  • FR47286E - Brake improvements : en fr
  • FR809336A - Torsion suspension, in particular for oscillating half-axles : en fr
  • US2072461A - Ridge ventilator : en
  • USD103425S - Design foe a calculating machine : en
  • DE642444C - Starting device : de en
  • FR47299E - Improvements to beaconing or lighting processes for vertical antennas : en fr
  • FR809388A - Order of character bars for so-called silent typewriters : en fr
  • DE642323C - Process for the production of synthetic leather-like fabric panels : de en
  • GB462194A - A new or improved connector or coupling for stranded wire or cable : en
  • FR809457A - Advanced repeater phonograph : en fr
  • FR809424A - Singing lamp : en fr
  • FR809369A - Process for isolating by adsorption or absorption the recoverable gases present in gas mixtures or mixtures of gases and vapors : en fr
  • GB462376A - Improvements in and relating to heat resisting paints or protecting layers for crucibles and the like : en
  • US2072236A - Sheet detector : en
  • US2072524A - Process for converting hydrocarbon oils : en
  • US2072586A - Rotary filter : en
  • CA364437A - Crankshaft grinding machine : en fr
  • DK52768C - Method for placing a fluorescent substance on a carrier. : da en
  • US2072277A - Aeroplane : en
  • US2072545A - Fuel injector structure for oil engines : en
  • DE642436C - Process for the protection of water-sensitive, unfired leads that are embedded in pencil wood : de en
  • SE88640C1 - : en
  • US2072234A - Telephone metering system : en
  • US2072682A - Game of skill : en
  • US2072838A - Last and last attachment : en
  • US2072842A - Vehicle roof structure : en
  • FR809577A - Improvement in film magazines for cinematographic cameras : en fr
  • US2072397A - Building wall construction : en
  • US2072477A - Ski binding : en
  • FR47268E - Coal boiler : en fr
  • FR809370A - Ignition for internal combustion engines, in which a compressed mixture of gas and air is ignited : en fr
  • CA364516A - Sausage skin or tube production : en fr
  • DE642492C - Double camera designed for stereophotogrammetric recordings : de en
  • US2072153A - Sulphonated condensation product : en
  • US2072787A - Tandem wheel chassis unit : en
  • AU100335B2 - Improvements in storage photoelectric devices : en
  • US2072436A - Scale : en
  • FR809562A - Device applicable to water tube boilers : en fr
  • GB462532A - Improvements in long distance high frequency electric cables : en
  • US2072163A - Circuit controlling means : en
  • US2072409A - Metering means : en
  • USD103406S - Design for a wringer head or : en
  • DK52774C - Explosive or Light Track projectile. : da en
  • CA364467A - Film spool : en fr
  • US2072091A - Cinematographic camera : en
  • US2072144A - Absorption refrigerating system : en
  • AU63136A - Process forthe manufacture of mercury compounds containing nitrogen : en
  • DE642366C - Arrangement for controlling inverters and converters : de en
  • CA364390A - Confection coating apparatus : en fr
  • CA364494A - Fire extinguishing foam production : en fr
  • AU83837A - Improvements in or relating to water or like taps : en
  • CA364391A - Cooling device : en fr
  • US2072820A - Oven and the like : en
  • US2072185A - Flowerpot watering system : en
  • USD103465S - Design for a casing for polishing : en
  • CA364462A - Copper-silicon-cadmium alloy : en fr
  • ES143404A3 - A device for cleaning rollers. : en es
  • US2072246A - Speed responsive control mechanism : en
  • US2072337A - Safety lighting circuit : en
  • US2072641A - Door : en
  • US2072795A - Clock : en
  • US2072372A - Exhaust system for automotive engines : en
  • AU100339B2 - Freezing medium, method of production and application for freezing purposes : en
  • US2072333A - Automatic can top catcher for can openers : en
  • US2072405A - Recording golf tee : en
  • US2072809A - Cellulosic spinning solution : en
  • US2072290A - Automatic ejecting fuse : en
  • DE642398C - Process for the production of plastic masses and molded bodies from them : de en
  • GB462247A - Improvements in or relating to valve amplifying circuits for television and like purposes : en
  • FR809468A - Improvements to devices for applying high frequency currents in particular for medical uses : en fr
  • US2072301A - Cement grout mixing and distributing machine : en
  • CA364498A - Loom heddle frame : en fr
  • GB462093A - Improvements in and relating to locking devices : en
  • GB462218A - Improvements in centrifugal governors for regulating the ignition advance in internal combustion engines and other applications : en
  • FR809521A - Process for recording business transactions, for example establishing and posting balances : en fr
  • DE642498C - Air supply through pressure spiral, arch pipe and hatch on flushing valves with push button release : de en
  • DE642499C - Self-acting ring valve with an annular valve plate that can be pressed on by a closed elastic ring : de en
  • US2072669A - Return bend fitting for oil stills : en
  • US2072165A - Plant feeder and support : en
  • CA364431A - Lactate deodorization : en fr
  • CA364456A - Friction element : en fr
  • DE642308C - Device for fastening bowls and similar vessels on table tops with the help of rubber suction cups : de en
  • DE642451C - Seat, especially for motor vehicles : de en
  • FR809334A - Device for assembling metal tiles imitating ceramic tiles : en fr
  • CA364455A - Torch tip : en fr
  • US2072673A - Self-cleaning sanitary comb : en
  • US2072826A - Article transferring mechanism : en
  • DE642326C - Device for grid-controlled discharge paths from an alternating current network fed direct current motors that sometimes run as generators : de en
  • US2072204A - Measurement and control of the flow of viscous fluids : en
  • CA364421A - Shower bath head : en fr
  • US2072485A - Vat dyestuffs of the anthraquinone series and process of making the same : en
  • US2072765A - Sole : en
  • US2072626A - Blowpipe : en
  • US2072640A - Sugar dispenser : en
  • FR809561A - Process for the manufacture of printing plates by projection of autotypes, etc. : en fr
  • CA364412A - Sifting device : en fr
  • US2072493A - Toilet ventilator : en
  • DE642370C - Process for improving the stability of piston alloys : de en
  • US2072715A - Means for obviating water hammer in service pipes : en
  • USD103439S - Design fob a switchboard casing : en
  • US2072134A - Portable manifolding device : en
  • US2072094A - Spring hinge : en
  • US2072580A - Drinking tube : en
  • US2072650A - Method for metalworking : en
  • USD103451S - Design for a caster : en
  • GB462287A - Improvements relating to joints for electric cable systems : en
  • US2072730A - Fused safety switch : en
  • CA364551A - Lamp standard spindle : en fr
  • DE642402C - Articulated chain with links that support each other against buckling in the extended position : de en
  • US2072317A - Coach lock and handle : en
  • US2072418A - Irradiating apparatus : en
  • USD103405S - Design for a wall cabinet : en
  • US2072671A - Ammunition and propellant charge therefor : en
  • USRE20280E - Method of making shoes : en
  • US2072395A - Collapsible flower box in which to grow plants : en
  • US2072611A - Cycle power unit : en
  • US2072320A - Bit guide : en
  • US2072181A - Shock absorber control mechanism : en
  • DE642473C - Timer for the automatic switching on and off of receivers and for the automatic coordination of the same : de en
  • DK52760C - Procedure for the production of vitamin-containing oils from fish liver, in particular halibut liver. : da en
  • FR809444A - Special distillation of tar, coal, shale and petroleum oils intended for carburetion : en fr
  • FR809476A - Method and apparatus for the casting of shell-cast foundry parts : en fr
  • FR809550A - Vehicle suspension device : en fr
  • GB462184A - Improved manufacture of threads from viscose : en
  • GB462192A - Improvements in vehicle observation devices : en
  • GB462380A - Process for the manufacture of articles resistant to gaseous corrosion : en
  • FR809324A - Trolley for electrically driven vehicles : en fr
  • GB462359A - Improvements in the manufacture of moulded articles of paper and like felted materials : en
  • FR809536A - Tilting tensioner mechanism for single bellows gas meter : en fr
  • FR809463A - Cascade group with adjustable speed : en fr
  • GB462274A - Improvements in plastic compositions and articles made therefrom : en
  • GB462374A - Improvements in and relating to methods of hardening the surface of a metal : en
  • USD103422S - Design for a waste basket or similar : en
  • FR47294E - Automatic machine for filling, capping, capping, labeling, etc., bottles, flasks, cans and other similar containers : en fr
  • FR809416A - Device for removable attachment of the heaters to the protectors used in the permanent waving of the hair : en fr
  • FR809447A - Method for differentiating a point modulation from a line modulation in a receiver of t. s. f. or similar : en fr
  • GB461985A - Improvements in and relating to journal bearings for vehicles : en
  • DE642391C - Device for regulating the coolant flow used for cooling electrical apparatus, in particular in the case of metal vapor converters, for example mercury vapor glass rectifiers, by means of an adjustable deflector which controls the air flow : de en
  • DK52775C - Gas line piece for Gas Pressure Guns. : da en
  • FR809423A - Improvements to winch holding and adjustment brakes and their applications : en fr
  • FR809524A - Improvements to hydraulic transmissions : en fr
  • ES143410A1 - A procedure for obtaining a surface with a high capacity of secondary omission. : en es
  • GB462077A - A new or improved container stand for closet and like brushes : en
  • GB462208A - Improvements in pumps : en
  • GB462303A - Improvements relating to racquets for use in playing tennis and other similar games : en
  • ES143405A3 - A distributor mechanism for moving films. : en es
  • GB462112A - Improvements in or relating to agglomerates having a base of asbestos and cement : en
  • FR809390A - Electrolytic capacitors : en fr
  • GB461997A - Improvements in methods of exterminating corn beetles and other vermin : en
  • FR809316A - Process for the manufacture of semi-condensed, water-soluble artificial resins, specially prepared for the treatment of yarns and fabrics made of vegetable, natural and artificial fibers, and of animal fibers : en fr
  • GB462360A - Improvements in and relating to domestic graters : en
  • FR809333A - Mineral pulp treatment process : en fr
  • FR809530A - Rotating advertising disc clock : en fr
  • DE642429C - Control device for a plurality of asynchronous motors for driving briquette presses : de en
  • FR809351A - Process for hydrogenating polymer olefins in the vapor phase : en fr
  • GB462085A - Improvements in or relating to lamps for the interior lighting of motor cars : en
  • US2072431A - Smoking implement : en
  • US2072670A - Reducing dusting in the manufacture of coated paper : en
  • FR809335A - Fluid Brake Testing Equipment Improvements : en fr
  • GB462043A - Improvements in and relating to starting devices employing self-regulating resistances : en
  • FR809401A - Process for preparing nitrogenous condensation products : en fr
  • GB462296A - Improvements in the manufacture and production of imino-polymethine dyestuffs : en
  • FR809426A - Further training in the assembly of electrical devices : en fr
  • GB462042A - Improvements in or relating to the production of antioxidants and the treatment of rubber therewith : en
  • US2072680A - Swaging machine : en
  • DE642317C - Device for projecting living images, consisting of lines that are parallel or at an angle to one another, with a line grid movably arranged in front of or behind them : de en
  • US2072832A - Clutch : en
  • USD103387S - Design fob a lead container : en
  • FR809417A - Stopper system for permanently covering the bottles after opening : en fr
  • FR809496A - Stibied viscose spinning process : en fr
  • DE642512C - Device for protection against overcurrents and flashbacks in systems with grid-controlled electrical discharge paths : de en
  • FR809505A - Jet bar drive device for straight loom : en fr
  • GB462035A - Improvements in or relating to electron discharge device circuit arrangements : en
  • FR809458A - Hub for cycle and motorcycle wheels : en fr
  • FR809596A - Explosion turbine : en fr
  • US2072728A - Trailer hitch : en
  • DE642443C - Reduction of the viscosity of nitrocellulose : de en
  • GB462017A - A valve and striking pneumatic for use in a player piano, combined as one unit : en
  • GB462266A - Improvements in apparatus for maintaining a predetermined temperature : en
  • DE642411C - Camouflage device in the form of a bullet or wing mine : de en
  • FR809309A - Process for improving rubber-like materials and products obtained by this process : en fr
  • CA364533A - Centrifugal pump : en fr
  • US2072661A - Fifth wheel : en
  • US2072099A - Ordnance : en
  • US2072775A - Elastic yarn and fabric : en
  • CA364532A - Shingle removing tool : en fr
  • USD103411S - Design for a shoe ob similar article : en
  • US2072511A - Piano teaching apparatus : en
  • US2072646A - Drill press spindle drive and mounting : en
  • US2072107A - Process for producing high boiling polymers useful for blending and other purposes : en
  • US2072205A - Combined light and heat radiator with reflector for medical purposes : en
  • US2072549A - Means for operating electric eddy current furnaces : en
  • GR6343B - CAR TRUCK LOADING AND UNLOADING SYSTEM. : el en
  • US2072111A - Road grader : en
  • US2072255A - Method of manufacturing rubber chloride : en
  • DE642520C - Reinforcement for road pavements made of strung together iron grates : de en
  • FR809421A - Seal : en fr
  • GB462189A - Sound record disc and process for cutting sound grooves in sound record discs : en
  • ES143415A1 - A body composed mainly of nickel or its alloys. : en es
  • GB462277A - Improvements in or relating to stoppers for bottles and like receptacles : en
  • GB462129A - Means for improving the acoustic properties of halls, rooms and the like : en
  • DE642423C - Machine for reshaping compressed can bodies into cylindrical shapes : de en
  • FR809572A - Phonographic support : en fr
  • US2072289A - Wall covering : en
  • GB462139A - Improvements relating to the mounting of street-lighting and like lamps : en
  • GB462212A - Improvements in or relating to heat accumulator ranges : en
  • US2072444A - Thermometer : en
  • US2072450A - Furnace : en
  • US2072584A - Distribution panel board : en
  • US2072607A - Percussive tool valve : en
  • ES143428A1 - Procedure for manufacturing products to improve the combustion of combustible materials. : en es
  • GB462051A - Improvements in hydrometers particularly applicable to fitting in electric accumulators : en
  • DE642505C - Process for drying gases : de en
  • FR47254E - Ventilation outlet : en fr
  • FR809376A - Method and apparatus for the purification of hot gases : en fr
  • GB462154A - Improvements in the preparation of metallic printing plates having stamped up printing characters : en
  • GB462073A - Improvements in and relating to the production of artificial fibrous products : en
  • GB462082A - Improvements in or relating to boxes or containers for pills or for other articles : en
  • US2072151A - Method of oxidizing oh : en
  • FR809537A - pulse transmitter and receiver, in particular for telemetry : en fr
  • GB462235A - Improvements in control systems for electric traction motors : en
  • FR809593A - Azo dyes and their production process : en fr
  • US2072206A - Water separating device : en
  • US2072742A - Stop joint for oil-filled cables : en
  • CA364550A - Lamp standard spindle : en fr
  • US2072348A - Chlorinated trialkyl amines and method of producing : en
  • US2072421A - Formation of packages : en
  • US2072706A - Closure for refuse receivers : en
  • US2072087A - Spark plug assembling machine : en
  • US2072105A - Apparatus and method for making composition strips : en
  • US2072182A - Slip : en
  • US2072802A - Container : en
  • US2072804A - Lightweight vehicle underframe : en
  • FR809483A - Method for protecting low-voltage electrical installations against contact with high-voltage lines : en fr
  • GB462069A - Improved couplings for connecting substantially aligned shafts : en
  • GB462300A - Improvements in and connected with cases for playing cards : en
  • US2072755A - Brake mechanism : en
  • FR809433A - Safety rearview mirror : en fr
  • US2072695A - Merchandising container : en
  • US2072195A - Counter molding machine : en
  • US2072264A - Combined field telephone and telegraph assembly : en
  • US2072593A - Ophthalmic lens : en
  • USD103467S - Design for a dress : en
  • GB462159A - Improvements in or relating to automatic switching systems for interconnection of teletypewriters : en
  • US2072306A - Hydraulic lifting mechanism for road graders : en
  • US2072407A - Inhaler : en
  • GB462311A - Improved apparatus for measuring and registering the density of gases : en
  • US2072416A - Method of irradiating substances with active rays : en
  • US2072382A - Counter current contactor : en
  • USD103464S - Design fob a dress : en
  • US2072310A - Vehicle window : en
  • CA364548A - Dish washing machine : en fr
  • GB462268A - An improved method of separating coal portions which are poor in ash from those which are rich in ash : en
  • IE14354L - Outer covers for pneumatic tyres : en
  • US2072427A - Air conditioning system : en
  • US2072526A - Mounting for rock drills : en
  • US2072522A - Dispensing and measuring gasoline or the like : en
  • CA364425A - Coating composition : en fr
  • DE642264C - Load harness : de en
  • US2072572A - Impulse transmitting device : en
  • US2072790A - Paper folding machine : en
  • US2072316A - Teledictaphone : en
  • US2072335A - Reversible variable speed motor : en
  • US2072811A - Electrolytic apparatus and method : en
  • US2072472A - Bed reading lamp : en
  • US2072380A - Power driving device : en
  • US2072475A - Manufacture of wetting : en
  • US2072538A - Coilable measuring rule : en
  • US2072532A - Admission ticket checking apparatus : en
  • US2072668A - Hand knitting device : en
  • FR809460A - Sharpening device for tool blades or sharp instruments : en fr
  • GB462281A - Improvements in or relating to television receiving apparatus : en
  • CA364489A - Optical reproducing device : en fr
  • DE642428C - Process for the mechanical spiral-shaped wrapping of dolls of drying elements with narrow wrapping strips : de en
  • FR809475A - Improvements to automatic control of weaving, embroidery, knitting or lace looms : en fr
  • GB462126A - Improvements in or relating to shutter-operating mechanisms for photographic cameras : en
  • FR47257E - Turnout control : en fr
  • DE642382C - Internal combustion tools, in particular internal combustion rams for road construction purposes : de en
  • GB462190A - Improvements in swimming baths : en
  • US2072202A - Automatic filling nozzle : en
  • CA364487A - Sheet metal insulator support pin : en fr
  • DE642412C - Device for the wave-shaped forward movement of reptiles or similar animal-like toy bodies : de en
  • US2072210A - Three-phase transformer and protective device therefor : en
  • US2072330A - Method of inclosing objects in regenerated cellulose : en
  • US2072567A - Refrigerator : en
  • CA364479A - Metering valve : en fr
  • FR809420A - Improvements to fuse circuit breaker cartridges : en fr
  • US2072714A - Roller dam structure : en
  • AU189036A - Method of producing finely divided metallic layers : en
  • GB462072A - Improvements relating to intermittent dry-absorption refrigeration : en
  • US2072415A - Gutter protector : en
  • US2072608A - Breech mechanism : en
  • US2072727A - Insole and process of making the same : en
  • FR809497A - New game : en fr
  • US2072649A - Scale bearing : en
  • FR809479A - Assembly process, by welding, of superimposed thin metal parts : en fr
  • GB462040A - Improvements in ball thrust bearings : en
  • FR809507A - Improvement in the gasification of heavy oils, in particular in the cooling of the gas obtained : en fr
  • DK52771C - Axially adjustable door handle coupling. : da en
  • FR809332A - Wire mesh for paper machines : en fr
  • US2072312A - Temperature indicating instrument : en
  • FR47261E - Improvements to rubber preservation : en fr
  • GB462117A - Improvements relating to work supporting tables for metal working machines and the like : en
  • USD103421S - Design for a textile fabric : en
  • USD103447S - Design for a dress : en
  • GB461999A - Improvements in or relating to electric discharge tubes : en
  • GB462232A - Improvements in colour photography : en
  • ES143403A3 - A machine for applying mobile coating films. : en es
  • US2072577A - Means for discharging fluid pressure containers : en
  • US2072364A - Smoke producer : en
  • US2072675A - Boiler : en
  • FR809318A - Improvements in processes for refining mineral oils : en fr
  • FR809405A - Process for preparing interesting products from greasy and the like : en fr
  • DE642502C - Hydraulic brake for motor vehicles : de en
  • DE642290C - Process for the representation of reduction products of the male sex hormone and similar substances : de en
  • US2072558A - Fruit picker : en
  • FR47279E - Improvements to automatic bobbin change looms : en fr
  • FR47292E - Fine charcoal hearth for central heating and other uses : en fr
  • FR809358A - Device for keeping lowered, in straight hosiery looms with picking, the heel parts during the manufacture of stockings in a single operation while the middle part is at rest : en fr
  • US2072350A - Carbonating apparatus : en
  • US2072470A - Drilling tool : en
  • US2072713A - Method of and apparatus for heating and vaporizing liquids : en
  • CA364481A - Coated paper manufacture : en fr
  • US2072140A - Cutter : en
  • FR809581A - Root cutter mixer : en fr
  • US2072753A - Folding box : en
  • US2072092A - Vertically sliding door construction : en
  • US2072299A - Airplane having a variable lifting surface : en
  • US2072126A - Detectable refilled and premium bottle : en
  • DE642307C - Process for the even distribution of fat-soluble vitamins in aqueous liquids : de en
  • GB462253A - Improvements in electric induction motors : en
  • AU100360B2 - An improved call meter for telephone systems : en
  • US2072568A - Dry cell encasing apparatus : en
  • CA364521A - Loose leaf binding mechanism : en fr
  • US2072274A - Friction shock absorbing mechanism : en
  • US2072399A - Thermostatic radiator valve : en
  • US2072546A - Loose leaf binder : en
  • US2072265A - Manufacture or treatment of textile and other materials : en
  • AU18936A - Bag loading machine : en
  • US2072773A - Smoking pipe : en
  • US2072442A - Method of and apparatus for controlling the flow of fluids : en
  • US2072398A - Knock-down and adjustable transmission hoist : en
  • US2072839A - Detachable combination garment : en
  • US2072078A - Improved stoker and process of burning solid fuel : en
  • US2072569A - Detachable handle : en
  • AU100366B2 - Improvements in heat and/or sound insulators : en
  • FR809319A - Color image production process : en fr
  • GB462203A - Improvements in or relating to rectangular wrappings : en
  • CA364517A - Shuttle bobbin : en fr
  • CA364447A - Metal-and-wood shovel handle : en fr
  • US2072615A - Valve : en
  • US2072600A - Safety parachute attachment for airplanes : en
  • USD103443S - Design fob a radio cabinet : en
  • US2072425A - Pump system : en
  • US2072534A - Duplicating machine and method : en
  • USD103442S - Design fob a vehicle heater casing : en
  • AU100315B2 - Improvements in or relating to means for feeding glass to glass forming machines : en
  • DE642480C - Incandescent lamp, especially for headlights : de en
  • CA364434A - Carton : en fr
  • GB462034A - Improvements in or relating to heat interchanging means particularly for cooling milk : en
  • GB462137A - Improvements in and relating to electric fluid-blast circuit breakers : en
  • CA364509A - Pulp beating and washing machine : en fr
  • CA364491A - Weed puller : en fr
  • AU68236A - Improved feeder for animal sucklings : en
  • DE642475C - Arrangement of a low-oil or oilless extinguishing chamber switch in a switching cell : de en
  • DE642421C - Device for cleaning the gas in gas pipes : de en
  • FR47300E - Relay for intermittent lighting of railway signals : en fr
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  • US2072221A - Metal cigar band : en
  • US2072417A - Method of irradiating substances with active rays : en
  • USD103408S - Design for a garden chair : en
  • US2072550A - Undergarment : en
  • US2072353A - Internal combustion engine fuel system : en
  • US2072249A - Manufacture of cellulose derivatives : en
  • FR809330A - Wire mesh for paper machines : en fr
  • DE642306C - Device for pressing and hammering amalgam into tooth cavities : de en
  • DE642459C - Arrangement for the production of an alternating current, which compared to an existing alternating current or an existing alternating voltage is shifted by about 90 90in phase : de en
  • FR47287E - Seed drill : en fr
  • FR809501A - Machine for sharpening mower blades, binders and various tools : en fr
  • GB462008A - Coated sheet or strip material for use as a protective covering, and the manufacture thereof : en
  • CA364490A - Anti-robbery receptacle : en fr
  • FR47263E - Manure burier : en fr
  • US2072565A - Sundial : en
  • CA364402A - Guard for highways : en fr
  • US2072494A - Binder : en
  • CA364544A - Mower and reaper knife stabilizer : en fr
  • CA364474A - Electrical conversion system : en fr
  • AU100369B2 - Improvements in or relating to accordions : en
  • CA364534A - Measuring and dispensing device : en fr
  • US2072157A - Grinding machine : en
  • US2072401A - Phenyl-pyridinium sulphonic acid dyestuffs and a process of preparing them : en
  • CA364453A - Wood impregnating method : en fr
  • DE642350C - Ratchet gear drive with pawl : de en
  • DE642275C - Safety friction clutch with device for triggering switching processes when the clutch is slipped : de en
  • US2072552A - Ignition device : en
  • US2072080A - Brooch assemblage : en
  • US2072077A - Casement window operating means : en
  • AU59736A - Improvements in and relating to windows, more particularly the windows of automobiles andthe like : en
  • US2072748A - Process of making baker-yeast from beer-yeast : en
  • US2072302A - Polymerized vinyl alcohol articles and processes of making same : en
  • US2072125A - Fastener strip : en
  • US2072631A - Thermoplastic adhesive : en
  • US2072741A - Apparatus for projection of lenticular film : en
  • USD103417S - Design for a sofa ob similar article : en
  • US2072166A - Ahg conbitioning system : en
  • CA364454A - Torch tip : en fr
  • AU100340B2 - Process forthe manufacture of mercury compounds containing nitrogen : en
  • USD103402S - Design fob a pencil or similar : en
  • US2072179A - Manufacture of starch-sized papers : en
  • US2072441A - Clinical thermometer case : en
  • AU76337A - Method of producing paper products, cardboard, pressed cardboard orthe like products impregnated within the mass with bitumen : en
  • AU100318B2 - Method of producing finely divided metallic layers : en
  • GB462062A - Improvements in or relating to buckles : en
  • US2072138A - Making of pulp rovings, yarns, and twines : en
  • US2072709A - Gauge for sewing buttons on shirts : en
  • USD103446S - Design fob a container : en
  • US2072240A - Radio circuit actuating device : en
  • US2072321A - Coal distillation oven and the like : en
  • US2072095A - Ribbon : en
  • US2072547A - Chain post loose leaf binder : en
  • CA364439A - Television system : en fr
  • DE642380C - Process for the preparation of 6-amino-2-oxynaphthalene-3-carboxylic acid : de en
  • DE642458C - Interturn protection device : de en
  • US2072139A - Cultivator attachment for tractors : en
  • CA364426A - Linoleum : en fr
  • CA364504A - Ice making machine : en fr
  • US2072331A - Aerating and fertilizing mechanism : en
  • AU100354B2 - Improvements in or relating tothe manufacture of nitrocellulose : en
  • US2072539A - Acid triphenylmethane dyestuffs : en
  • AU100353B2 - Improved cultivator : en
  • US2072300A - Sliding door seal for refrigerating apparatus : en
  • US2072792A - Device to aid steering : en
  • US2072835A - Venetian blind slat : en
  • US2072592A - Stopper for bottles and the like : en
  • US2072829A - N-metbrax-c : en
  • USD103455S - Design for a watchcase : en
  • US2072187A - Refrigerating apparatus : en
  • US2072606A - Coupler : en
  • US2072479A - Concrete laying machine : en
  • US2072732A - Spark plug : en
  • CA364493A - Crankshaft honing and polishing machine : en fr
  • US2072761A - Viscosity compensated flow control : en
  • AU178336A - Improvements in or relating to television or like transmitters : en
  • DE642417C - Line for the transmission of currents of high frequencies : de en
  • FR809377A - Process for improving cellulosic materials : en fr
  • DE642469C - Double core tube for earth drilling : de en
  • GB462067A - Improvements in devices for gauging gas caps in miners' and like safety lamps : en
  • CA364414A - Leading-in wire : en fr
  • CA364539A - Toy or game : en fr
  • US2072224A - Impact device : en
  • AU6326365A - Foamed synthetic resins : en
  • US2072360A - Opener for screw closures : en
  • US2072514A - Sectional doorway : en
  • US2072612A - Typographical slug casting machine : en
  • USD103407S - Design for a display case : en
  • US2072090A - Double universal joint assembly : en
  • US2072286A - Projecting device : en
  • US2072216A - Shoe and method of making it : en
  • US2072684A - Building construction : en
  • CA364407A - Faucet : en fr
  • DE642413C - Centrifugal drum with concentric chambers : de en
  • FR809347A - Process for hydrogenating unsaturated hydrocarbons : en fr
  • US2072081A - Plastic heat insulating composition : en
  • FR809441A - Pipe joint device : en fr
  • US2072309A - Process for treating figs : en
  • US2072491A - Advertising sign holder : en
  • US2072716A - Printing press : en
  • USD103461S - Design fob a dress : en
  • DE642484C - Process for the vegetable tanning of hides and skins : de en
  • FR809368A - Device for carrying out adsorption operations : en fr
  • FR809583A - Improvements to indicators with multiple graduations : en fr
  • ES143381A2 - IMPROVEMENTS MADE IN THE OBJECT OF MAIN PATENT NUMBER 143260 : en es
  • FR809523A - Diesel Mechanical Hammer : en fr
  • US2072620A - Shaving brush : en
  • US2072175A - Brush implement : en
  • US2072617A - Stop mechanism for bellows devices : en
  • US2072694A - Belly press : en
  • US2072707A - Locomotive : en
  • USD103453S - Design for a dustpan or the like : en
  • DE642333C - Process for the production of visible fingerprints by chemical reaction : de en
  • DE642487C - Electric resistance heater to keep the liquid in hot water bottles warm : de en
  • CA364448A - Signal or musical instrument : en fr
  • US2072588A - Printing plate holder for addressing machines : en
  • US2072404A - Mercury vapor rectifier : en
  • USD103471S - Design fob a dress : en
  • US2072325A - Duplex valve applied to a single cylinder : en
  • US2072579A - Cord wire anchor : en
  • US2072486A - Refrigerating apparatus : en
  • US2072222A - Device for conveying loads over inclined or stepped surfaces : en
  • US2072113A - Duplex sewing machine : en
  • US2072239A - Truck and trailer coupling : en
  • US2072605A - Game : en
  • CA364514A - Hollow article manufacture : en fr
  • US2072141A - Press system : en
  • US2072387A - Safety cordage : en
  • US2072690A - Suction cleaner : en
  • USD103435S - Design fob a casing for pyrophoric : en
  • AU59436A - Gravitational self opening and closing gate : en
  • GB462007A - Felt conditioners for paper-making machines : en
  • US2072209A - Means for and method of producing knitted fabrics : en
  • US2072428A - Cover for steam tables and the like : en
  • USD103416S - Design fob a sofa ob similab article : en
  • US2072291A - Valve gear for internal combustion engines : en
  • US2072574A - Internal combustion engine : en
  • US2072786A - Wild goose and duck cali : en
  • CA364495A - Horn : en fr
  • US2072432A - Closure for containers of the mixing and shaker type : en
  • FR809452A - Protection device against the explosion of tanks or other : en fr
  • US2072162A - Specific gravity indicating device : en
  • US2072172A - Combination flowerpot : en
  • CA11334S - Chair : en
  • FR809395A - Process for preparing polymethine dyes : en fr
  • FR809512A - Improvements to parachutes : en fr
  • GB462302A - Improvements relating to dynamo-electric machines : en
  • US2072378A - Conversion and coking of hydrocarbon oils : en
  • US2072634A - Exhauster for sprinkler systems : en
  • US2072484A - Billiard cue : en
  • US2072218A - Novelty button : en
  • US2072749A - Means for separating fibers from bast plants : en
  • FR47266E - Apparatus for dosing loose, fine or powdery materials : en fr
  • GB462115A - Improvements relating to power-transmitting machinery : en
  • GB462357A - Improvements in or relating to machines for arranging statistical cards in a predetermined order : en
  • GR6344B - CAR CELL AND REFRIGERATOR : el en
  • GB462454A - Improvements in or relating to radio wave signalling systems : en
  • AU100368B2 - Production of chlorine dioxide : en
  • US2072298A - Combined drawbolt and clamp for saw blades : en
  • US2072359A - Flaring tool : en
  • FR809586A - Process for the preparation of copper or schweinfurt green aceto-arsenite : en fr
  • CA364536A - Log bark peeling device : en fr
  • FR809488A - Automatic regulation of a pre-evaporative evaporator station by mechanical steam booster : en fr
  • US2072280A - Sheet material and method of making same : en
  • US2072326A - Meter for liquids : en
  • USD103391S - Design for a bread box : en
  • USD103458S - Design for a dress : en
  • US2072167A - Combined picture frame and merchandise magazine : en
  • US2072219A - Flexible support for rotary kilns : en
  • USD103477S - Design fob a dress : en
  • DE642463C - Process for the extraction of compact tin : de en
  • FR47255E - Device for counting pierced coins : en fr
  • GB462138A - Improvements in, or relating to, luggage-carriers for pedal cycles : en
  • DE642513C - Self-holding plow with rotating and lockable front cart : de en
  • CA364506A - Governing apparatus : en fr
  • US2072438A - Suppository : en
  • GB462308A - Tools for extracting weeds and other plants : en
  • DE642379C - Process for the preparation of 2-methyl-ª ‰ ª ‰ '-naphthiazoles substituted in the naphthalene nucleus : de en
  • GB462186A - Improvements in, or relating to, radiators for heating and cooling buildings and for like purposes : en
  • GB462054A - Improvements in or relating to rotary compressors or engines : en
  • DK52765C - Weight. : da en
  • FR809331A - Wire mesh for paper machines : en fr
  • GB461996A - Improvements in or relating to internal combustion engine arrangements for aircraft, vessels and vehicles : en
  • GB462279A - Improvements in or relating to machines for making cardboard boxes : en
  • FR809490A - Manufacture of solid iodine tincture : en fr
  • FR809486A - Pre-filter for devices protecting against aggressive products : en fr
  • FR809538A - A metal tape perforated at a given pitch to replace the endless chain in washing machines for bottles or other items : en fr
  • FR809308A - Process for preparing calcium carbide, furnace suitable for carrying out this process and products obtained by this process or using this furnace : en fr
  • FR809544A - Variable speed rotating electric machine : en fr
  • GB462135A - Improvements in and relating to gas producers : en
  • FR809366A - Method and devices for levitating matter : en fr
  • FR809325A - Improvements to pliers-shaped tools for stripping electrical wires and cables : en fr
  • FR809418A - Process for manufacturing construction materials with a porous or cellular structure and in particular concrete : en fr
  • FR809494A - Construction process for welded tanks : en fr
  • GB462029A - Improvements in and relating to tubular gas burners : en
  • DE642296C - Railway superstructure using cross-ties, consisting of two individual wooden support structures connected by an iron tie rod : de en
  • DK52767C - Sowing seed. : da en
  • DK52762C - Method and Apparatus for Manufacturing Insulation Mats. : da en
  • GB462083A - Improved pendulum or spring roller mill : en
  • DE642405C - Device for the axial adjustment of the drive pinion of differential gears in motor vehicles : de en
  • FR47285E - Improvements to the hulls of ships in order to economically achieve high speeds : en fr
  • FR809354A - Use of corrugated director rolls for rolling coagulated latex in all its forms, including crepe : en fr
  • GB462242A - Improvements in or relating to the production of stiffened fabrics and articles made thereof : en
  • FR809385A - Polyamino-1. 9-anthrapyrimidines, and process for their preparation : en fr
  • FR809415A - Process for making coils and windings : en fr
  • FR809360A - Process for preparing interesting condensation products : en fr
  • FR809440A - Improvements to devices for distributing and controlling the temperature of a fluid, applicable for example to thermionic rectifiers : en fr
  • GB462224A - Improvements in or relating to electro-magnetic coils for loud speakers and telephone receivers : en
  • GB462248A - Improvements in permanent magnets : en
  • GB462264A - Improvements in or relating to controllers for electric circuits : en
  • GB465313A - Refractory product and process for its manufacture : en
  • ES143399A1 - A process for obtaining dyes. : en es
  • DE642354C - Surface protection, especially protection against shop window break-ins : de en
  • GB462079A - A method of joining bands, particularly metallic bands or the like, and tools used therefor : en
  • GB462219A - Improvements in or relating to leaf springs : en
  • FR809510A - Anesthesia mask : en fr
  • GB462141A - Thermal power plants : en
  • GB462252A - Improvements in or relating to magnetron tubes and to circuit arrangements incorporating the same : en
  • US2072394A - Process of cracking hydrocarbon oils : en
  • USD103413S - Design for a shoe or similar article : en
  • AU100334B2 - Improved slide carrier : en
  • CA364410A - Motor vehicle testing apparatus : en fr
  • DK52752C - Method and Apparatus for the production of steam. : da en
  • DE642433C - Magnetic core made of metal powder : de en
  • DE642435C - Electric resistance seam welding machine : de en
  • DE642461C - Arrangement for increasing the starting torque of AC motors : de en
  • GB462202A - Improvements in and relating to the manufacture of wetting, washing, dispersing and like agents : en
  • GB462098A - Device for driving the elevating-and traversing-mechanism of firearms : en
  • US2072555A - Faucet : en
  • USD103474S - Design for a curtain fabric : en
  • GB462148A - Asbestos faced drier felt : en
  • US2072292A - Load discharging car : en
  • US2072213A - Lasting machine : en
  • US2072783A - Electromagnetic device : en
  • US2072160A - Weaving loom for continuous weaving in which the weft is inserted by means of pirnless shuttles : en
  • USD103420S - Design fob a vacuum cleaner : en
  • US2072229A - Tinning method and composition therefor : en
  • US2072480A - Registering mechanism : en
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  • CA364440A - Television system : en fr
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  • FR809383A - Soap dish for good soap preservation : en fr
  • FR809559A - Vehicle suspension device : en fr
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  • FR47262E - Process for the preparation of arsenobenzene monosulfoxylates : en fr
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  • US2072625A - Reloadable film cartridge : en
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  • US2072752A - Power plant : en
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  • US2072271A - Safety valve : en
  • US2072521A - Motor vehicle : en
  • US2072535A - Method of and radiant heat stills for distilling hydrocarbon oils : en
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  • US2072447A - Tabulating machine : en
  • US2072463A - Wrench : en
  • US2072746A - Control apparatus for target traps : en
  • CA364429A - Sulphuric acid manufacture : en fr
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  • US2072270A - Method of making organic esters of cellulose : en
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  • US2072630A - Specimen container : en
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  • SE88700C1 - : en
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  • US2072831A - Rolling mill : en
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  • FR809403A - Process for hydrogenating carbonaceous materials under pressure : en fr
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  • FR809539A - Device, combined, for opening and closing as well as locking a movable automobile window glass : en fr
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  • US2072226A - Material for combating pests : en
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  • US2072260A - Chemical stabilization of cellulose : en
  • GB462146A - Oil composition : en
  • GB462107A - Improvements in or relating to speed indicating and checking devices : en
  • FR809478A - Advanced speaker : en fr
  • GB462081A - Improved straining clamp for overhead electric conductors : en
  • GB462197A - Improvements relating to bee-feeding appliances : en
  • US2072560A - Method of making tinsel garlands : en
  • FR809480A - Pull-independent quick release tie-down buckle : en fr
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  • GB462080A - Improvements in or relating to machines for cutting off the insertions for sanitary towels and enclosing them in tubular fabric : en
  • GB461989A - Improvements relating to electrical indicating or measuring instruments : en
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  • GB462032A - Improvements in automatic flow-interrupting devices : en
  • GB462161A - Improvements in devices for straining and securing bale ties : en
  • FR809456A - Improvement in frequency stabilization of tube oscillators : en fr
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  • GB462371A - Improvements in string musical instruments : en
  • GB462094A - Improvements relating to the treatment of sewage and like sludge and apparatus therefor : en
  • GB462305A - Improvements in and relating to tubular electric heating devices : en
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  • CA364505A - Bristle treating method : en fr
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  • US2072199A - Coffeepot : en
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  • US2072396A - Printing lenticular film : en
  • US2072413A - Register : en
  • US2072745A - Production of antiknock gasoline : en
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  • US2072356A - Fluid motor for a power transmission mechanism : en
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  • AU68336A - Improved mould board : en
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  • US2072770A - Coating composition and drier : en
  • AU68036A - Improvements in or relating to electron discharge device oscillators : en
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  • US2072628A - Rosin acid and process of producing the same : en
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  • FR809361A - safety nut : en fr
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  • US2072403A - Valve gear for a liquid pump operating motor : en
  • US2072537A - Coke oven door : en
  • US2072576A - Nickel base alloy : en
  • US2072678A - Method and apparatus for making boxes : en
  • US2072591A - Manufacture of fittings : en
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  • US2072629A - Coupling device for carbonators : en
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  • US2072256A - Carton : en
  • US2072373A - Piston, and piston and connecting rod assembly : en
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  • FR809548A - Improvements in anti-aircraft night fire control devices : en fr
  • US2072102A - Spinning of artificial filaments : en
  • US2072370A - Gas discharge tube with control cathode : en
  • USD103437S - Design fob an ophthalmic mounting : en
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  • FR809338A - Improvement in filaments of electric lamps : en fr
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  • SE88673C1 - : en
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  • US2072785A - Footwear : en
  • GB462158A - Improvements in or relating to grinding mills : en
  • GB462195A - Improvements in and relating to the reproduction of sound from record films : en
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  • US2072083A - Casement window operating means : en
  • US2072836A - Apparatus for charging receptacles : en
  • US2072391A - Combined lifting and coupling tool : en
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  • US2072130A - Abrading tool : en
  • US2072498A - Amalgamating cylinder : en
  • US2072697A - Multiple headlight for vehicles : en
  • DE642292C - Steam power plant : de en
  • US2072426A - Container : en
  • US2072123A - Conversion of hydrocarbon oils : en
  • US2072613A - Hand-composed matrix in typographical line-casting machines : en
  • US2072688A - Golf-ball tee : en
  • FR809557A - Pathway applicable to installations for the manufacture of artificial threads : en fr
  • GB462254A - Improvements in the manufacture of paper : en
  • DE642465C - Process for the production of detonators : de en
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  • FR47275E - Process for the manufacture of shaped fabrics of the diagonal or diamond type in straight threads on heddle looms : en fr
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  • GB462063A - Improvements in metal milling and like machine tools : en
  • FR809549A - Improvements relating to airplanes : en fr
  • GB462053A - Improvements in and relating to collets or like work gripping means : en
  • GB462058A - Improvements relating to gas heated apparatus for the warming of rooms : en
  • FR809315A - Seat : en fr
  • US2072082A - Liquid cooler : en
  • USD103397S - Design for a shoe ob similar article : en
  • US2072262A - Reflecting structure for electric waves : en
  • US2072386A - Wall construction : en
  • US2072464A - Venetian blind : en
  • FR809560A - Device for producing a flash of light with simultaneous release of the shutter of a photographic camera : en fr
  • GB462095A - Improvements in devices for fastening tiles in a cement foundation : en
  • USD103433S - Design for a thermostat case or : en
  • US2072659A - Method and apparatus for setting up cellular cartons : en
  • GB462187A - Improvements in sealing devices for rotary shafts : en
  • USD103384S - Design fob a potato smcer : en
  • US2072772A - Lawn mower sharpener : en
  • CA364510A - Gonad stimulating substance : en fr
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  • GB462133A - Improvements relating to turbo-mechanical transmission gear : en
  • US2072147A - Carburetor : en
  • FR809448A - Automatic filling device to keep the electrolyte level constant in the accumulator cells : en fr
  • DE642249C - Device for stacking and pushing newspapers, magazines or the like. : de en
  • US2072101A - Manufacture of organic compounds : en
  • US2072217A - Lift for sadirons : en
  • FR809439A - Multiple effect sprayer : en fr
  • GB462267A - Improvements in methods for the re-recording of sound film : en
  • FR809471A - Improvements to paper bags : en fr
  • DE642305C - Facility for the prevention of mercury poisoning in the manufacture of dental amalgams : de en
  • FR809592A - Device for extending lines of cotton, twine, fine wire or the like : en fr
  • GB462245A - Improvements in processes for the manufacture of sheets, bands, tubes, rods and wires : en
  • US2072424A - Refrigerating apparatus : en
  • CA11342S - Cover for keys : en
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  • US2072784A - Voltage regulation : en
  • DK52776C - Doll's head with replaceable parts. : da en
  • FR809455A - Improvements to heating installations using liquid fuels : en fr
  • GB462014A - Improvements in or relating to aerial feeder arrangements : en
  • US2072776A - Process in digesting cellulose : en
  • FR809392A - Advertising device : en fr
  • GB462216A - Improvements in and relating to television : en
  • GB462306A - Rot-proofing jute fibres, yarns and fabrics : en
  • GB462383A - Production of morpholine vinyl ethers and n-bis morpholinium halides : en
  • CA364519A - Pinking machine : en fr
  • FR47280E - Stop and restart device for loom with automatic shuttle change : en fr
  • FR809450A - Method of manufacturing the bases of added vitrite electric lamps : en fr
  • DE642315C - Switching device for a picture throwing device driven jointly by a motor with a speaking machine plus repetition device : de en
  • FR809580A - Cloth for cleaning metallic or other objects : en fr
  • FR809323A - New security lock : en fr
  • DE642514C - Electric drive device for commercial sewing machines : de en
  • GB462226A - Improvements relating to wheels for motor and other vehicles : en
  • GB462167A - Improvements in knitting machines : en
  • FR809437A - Further training in cylinders and similar devices and their control device : en fr
  • GB462250A - Improvements in fabrics and their manufacture : en
  • GB462009A - Improvements relating to turbo-mechanical transmission gear : en
  • GB462036A - Improved wire drawing dies and a method of manufacturing the same : en
  • FR47260E - Variable length spacer for airplanes : en fr
  • GB462174A - Improvements in electric insulators : en
  • FR809576A - Vertical filament electric lamp : en fr
  • FR809491A - Equipment for the construction of monolithic concrete pipes, reinforced or not : en fr
  • GB462113A - Improvements in or relating to driving mechanism more especially for bicycles or like vehicles : en
  • GB462191A - Improvements in or relating to a process for the production of water enriched with heavy water : en
  • GB461959A - An improved razor : en
  • ES143392A1 - Improvements in the manufacture of kites. : en es
  • GB462061A - Improvements in and relating to hinges for oven doors and the like : en
  • US2072433A - Cocktail shaker : en
  • GB462070A - Improvements in or relating to built-up box-section girders or frame members : en
  • DE642316C - Switching arrangement for photoelectrically controlled incandescent lamp cinemas via the grid of gas discharge tubes in connection with mechanically controlled contact devices for any demonstration of incandescent lamp images and wandering writing on a universal lamp field : de en
  • GR6342B - SILVERING LIQUID AND MATERIAL POLISHING AT THE SAME TIME. : el en
  • FR809543A - Manufacture of artificial fibers : en fr
  • GB462294A - Improvements in or relating to epicyclic gears : en
  • GB462529A - Improvements in and relating to wireless communication systems : en
  • GB462104A - Stroboscopic device for checking and adjusting electric meters : en
  • CA364530A - Photographic printing method and apparatus : en fr
  • CA364541A - Antiglare device for headlights : en fr
  • AU15337A - Improvements in or relating to decorative surfaces and method of making same : en
  • CA364485A - Rectilinear light reflector : en fr
  • AU100363B2 - Improvements in and relating to apparatus for tempering glass : en
  • DE642139C - Process for the production of acetone and butyl alcohol by fermentation from carbohydrates : de en
  • US2072186A - Beet digging and topping machine : en
  • US2072273A - Pressure vessel shell and method of forming the same : en
  • US2072469A - Cafe royale making device : en
  • US2072566A - Combined stretching and sealing tool : en
  • GB462005A - Improvements relating to the treatment of textile fabrics : en
  • DE642377C - Traveling stove baking or roasting oven with endless conveyor belt and heating chambers that can be pulled out sideways : de en
  • US2072754A - Display device : en
  • FR809443A - Aluminum purification process : en fr
  • US2072313A - Signaling device : en
  • GB462013A - Improvements in or relating to identification marking in laundry and like processes : en
  • US2072788A - Tantalum carbide lamp : en
  • GB462233A - Manufacture of azo-dyestuffs : en
  • US2072406A - Conveyer : en
  • US2072122A - Rolling mill : en
  • US2072410A - Power reverse gear : en
  • US2072812A - Electrical circuit timer : en
  • DE642479C - Circuit arrangement for suppressing the voltage dependency with direct current operated bridge circuits, in particular with tube galvanometer circuits : de en
  • FR809328A - X-ray machine for irradiation at reduced distance : en fr
  • CA364416A - Leading-in wire : en fr
  • FR809541A - Device for monitoring the vigilant presence of the engineer of a locomotive or other engine : en fr
  • US2072533A - Buckle for wheel traction devices : en
  • DE642517C - Impact machine with crank drive and universal joint : de en
  • DE642425C - Depositing device for die setting and line casting machines with several adjacent magazines : de en
  • GB462221A - Improvements in heating elements for electrically heated apparatus : en
  • US2072230A - Method and apparatus for making wire frames for candle holders : en
  • GB462100A - Improvements in and relating to the burners of hurricane lanterns : en
  • IE14461L - Hydraulically operated friction clutches : en
  • DE642318C - Toys with a mechanical or electrical drive that can be triggered by remote action : de en
  • FR809535A - Improvements in methods and apparatus for treating oil-in-water emulsions : en fr
  • GB462210A - Improvements in trimming assembly for an automotive vehicle body : en
  • DE642151C - Arrangement of the overhead lines of electric railways that form the power supply and discharge : de en
  • DE642337C - Temperature-independent capacitor, especially for short-wave resonant circuits : de en
  • DE639978C - Photographic camera : de en
  • DE642312C - Gear testing device : de en
  • GB462236A - Improvements in or relating to the manufacture of grid-work, railings and the like : en
  • AU84036A - Improvements in or relating to bottles or containers of paper woodpulp orthe like : en
  • US2072149A - Container : en
  • US2072188A - Saddle pad : en
  • US2072476A - Switching system : en
  • US2072540A - Milling machine transmission and control mechanism : en
  • GB462003A - Improvements relating to conveyors : en
  • DE642247C - Process for the desulphurization of carbon dioxide : de en
  • GB462044A - Improvements in or relating to free wheel systems for cycles and the like : en
  • US2072108A - Production of light hydrocarbons : en
  • US2072324A - Strainer for beverage dispensing devices : en
  • CA364473A - Electric conversion system : en fr
  • FR809400A - Synthetic resin manufacturing process : en fr
  • CA364392A - Vacuum discharge vessel control system : en fr
  • GB462209A - Manufacture of ketones of the pyrene series : en
  • US2072329A - Apparatus for inclosing objects in regenerated cellulose : en
  • USD103403S - Design for a pencil or similar : en
  • USD103438S - crowley : en
  • DE642495C - Device for limiting the maximum speed of internal combustion engines : de en
  • US2072437A - Internal combustion engine : en
  • CA364477A - Cigar lighter : en fr
  • US2072200A - Slide fastener : en
  • US2072689A - Suction cleaner : en
  • FR47267E - Cartridge fuse for high voltage and very low current : en fr
  • FR809356A - Method and apparatus for thermoplastic molding : en fr
  • USD103444S - Design fob a storage battery case : en
  • US2072657A - Dial telephone indicator : en
  • GB461990A - Improvements in and relating to reciprocating pumps : en
  • GB462089A - Improvements in or relating to vertical coke ovens and gas generators : en
  • US2072341A - Outside pipe cutter : en
  • USD103427S - Design for a lady s hose ob similar : en
  • US2072252A - Coloring textile material : en
  • US2072295A - Receptacle : en
  • GB462280A - Improvements in and relating to electric heating elements : en
  • IE14352L - Automatic telephony : en
  • US2072223A - Liquid level indicator : en
  • US2072375A - Process and apparatus for oxidizing materials : en
  • FR809406A - Improvements to combustion engine starters : en fr
  • DE642434C - Automatic voltage regulating device for electrical ovens, the heating resistors of which are alternately switched on and off by contactors depending on a temperature contact device : de en
  • CA364406A - Magnesium casting method : en fr
  • GB462092A - Machine for making, filling, closing and wrapping bags : en
  • FR47296E - Improvement in spindles of ring spinning, doubling and the like looms : en fr
  • DE642403C - Device for the optical copying of lenticular films : de en
  • US2072506A - Dispensing receptacle : en
  • FR809474A - Improvements to shortwave multiple broadcasting systems : en fr
  • US2072468A - Skylight operator : en
  • US2072288A - Water insoluble azodyestuffs : en
  • US2072358A - Doll eye unit : en
  • US2072819A - Composition of matter and method of producing : en
  • FR809357A - Improvements to vacuum mechanisms for papermaking machines : en fr
  • GB462369A - Improvements in jewels or other articles adapted to be fixed in hair, on a fur, a fringe, and the like : en
  • US2072119A - Automobile robe support and bracket therefor : en
  • DE642455C - Steel alloy : de en
  • US2072548A - Air cleaner : en
  • GB462386A - The manufacture of condensation products of the anthraquinone series : en
  • DE642338C - Vapor discharge apparatus, in particular a metal vapor converter, with an insert located in the cathode and an ignition electrode made of resistance material and immersed in the cathode : de en
  • GB462246A - Improvements in or relating to felt hat finishing machines : en
  • GB462153A - Improvements in and relating to grinding or crushing mills : en