- US1923280A - Dredge pump :
en
- US1923589A - Agitating plunger cock :
en
- US1923948A - Process of extracting gold from its ores :
en
- US1923095A - Method of chlorinating sulphide ores :
en
- USD90538S - Design for a shoe :
en
- DE582887C - Method for finely rubbing paints or the like. :
de
en
- US1923510A - Spool :
en
- US1923728A - Machine for engraving tire molds :
en
- CA335107A - Typewriter :
en
fr
- AT134543B - Water flow in pipes and channels. :
de
en
- US1923153A - Mechanical pencil :
en
- US1923229A - Screening apparatus :
en
- AT134574B - Protection device for inverters. :
de
en
- CA335028A - Sick-room chair :
en
fr
- CA335114A - Light reflector :
en
fr
- CA335122A - Strainer :
en
fr
- US1923218A - Casting of printing furniture :
en
- US1924063A - Loud speaker :
en
- DE582691C - Process for the production of high quality glue from bones :
de
en
- DE582847C - Process for the production of condensation products from phenols, natural resins and aldehydes :
de
en
- DE583008C - Oil switch for firedamp pits :
de
en
- FR750917A - :
fr
- US1923164A - Code key cutting machine :
en
- US1923483A - Method of making an artist's mat :
en
- US1923276A - Eaves trough hanger :
en
- US1923673A - Safety razor :
en
- US1923091A - Bottle closure :
en
- US1923804A - Locking device for extensible screens and the like :
en
- CA335135A - Mineral oil extration :
en
fr
- GB397180A - Improvements in or relating to means for conducting fluids to reciprocating parts :
en
- US1923100A - Broiling apparatus :
en
- US1923935A - Milling machine structure :
en
- US1923573A - Piston ring :
en
- US1923255A - Trailer vehicle :
en
- US1923538A - Brake equalizing system :
en
- US1923914A - Machine for affixing opening threads to envelopes :
en
- US1923269A - Fastening clip for fountain pens, pencils, and the like and attaching means therefor :
en
- US1923675A - Coupler mechanism :
en
- US1923715A - Usefuel lacquer composition made from low boiling solvents :
en
- US1923107A - Seismic method of profiling geologic formations :
en
- US1923501A - Air valve and the like :
en
- US1923770A - baker :
en
- AU873632A - Improvements inlow pressure oil burners :
en
- US1923118A - Means for effecting distribution of flowing fluids :
en
- CA335090A - Storage carton :
en
fr
- DK47666C - Security device against misuse of prepaid gas meters. :
da
en
- DE582807C - Storage of pipe coils :
de
en
- DE582985C - Drive device for the steerable front wheels of motor vehicles :
de
en
- AT134522B - Pyrophoric pocket lighter. :
de
en
- DE582816C - Process for the preparation of a suspension containing fish silver :
de
en
- GB397314A - Improvements in and relating to methods and apparatus for locating ore and the like :
en
- DE582249C - Process for the production of non-sagging helical crystal wire filament bodies for electric light bulbs :
de
en
- DE582973C - Electrical multiple capacitor, consisting of a number of parallel winding elements, over the two end faces of which the occupancy borders that serve as power connections protrude alternately :
de
en
- DK47668C - Method for making a cleaning paste which can dissolve and soak up dirt, grease or the like. :
da
en
- FR750959A - Volumetric liquid meter :
en
fr
- FR750997A - Advanced chopping machine :
en
fr
- GB397216A - Improvements in thermionic valve circuits for short-wave generation :
en
- GB397267A - Improvements in or relating to the manufacture of corrosionresistant coatings on metal articles :
en
- GB397466A - Improvements in glow lamps and method of operating same :
en
- GB397266A - Improvements in transmission mechanism :
en
- GB397388A - Press button control for elevators and the like :
en
- AT134533B - Device to increase the insulating effect of hollow rib ceilings. :
de
en
- US1923205A - Fluid operated tool :
en
- US1923727A - Protection of distribution transformers against lightning :
en
- DE583029C - Fusible connection for temperature-monitored devices :
de
en
- AT134531B - Washing machine for clothes. :
de
en
- CA335023A - Sign :
en
fr
- FR751098A - Method and device for cold rolling of strips :
en
fr
- GB397279A - Improvements relating to the production of alternating modulated, signal tone or like currents :
en
- FR42614E - Powder compact :
en
fr
- FR750888A - Gas stove with ignition device :
en
fr
- AT134503B - Device for converting alternating current into direct current or vice versa by means of grid-controlled discharge vessels. :
de
en
- CA335066A - Latex thickening method :
en
fr
- US1923422A - Device for controlling the wetness of steam :
en
- US1923476A - Method of forming suspension wire wheels :
en
- US1923761A - Manufacture of detonating fuse :
en
- US1923312A - Switch :
en
- DE582802C - Identification label for laundry u. like :
de
en
- GB397334A - Improvements in or relating to stropping, honing and like appliances :
en
- US1923086A - Automobile brake shield :
en
- US1923697A - Production of amino trimethylbenzenes :
en
- DE582825C - Device for draft-free ventilation of a room :
de
en
- DE583023C - Process for the production of durable precious metal layers on aluminum and its alloys :
de
en
- GB397225A - Improvements relating to the arrangement and actuation of the magnetos and other accessories of internal combustion engines :
en
- DE582885C - Fastening of sealing rings in fittings for high pressure and superheated steam with an extended sealing path :
de
en
- AT134519B - Dry feeding box with an outlet that can be regulated by the animal, especially for pigs. :
de
en
- US1923691A - Valve handle :
en
- CA335067A - Rubber insulated electrical conductor :
en
fr
- US1923157A - Fluid pressure brake :
en
- US1923604A - Freight car container :
en
- GB397517A - Improvements in or relating to the magnetic control of electric arc lamps :
en
- DE582805C - Process for the production of camphoric acid preparations :
de
en
- USD90556S - Design for a fabbic :
en
- US1923844A - Photo-electric device :
en
- FR42556E - Improvements in the manufacture of wheel hubs for motor vehicles and the like :
en
fr
- GB397399A - Improvements in or relating to machines for darning :
en
- US1924080A - Mixer :
en
- US1923657A - Mooring device :
en
- US1923136A - Method of tinting thread :
en
- CA335109A - Typewriter :
en
fr
- CA335136A - Paper making machine :
en
fr
- DE541232C - Method for producing stereotypical materials :
de
en
- US1923212A - Production of ammonium compounds :
en
- US1923904A - Adjustable drawbar :
en
- US1924051A - Arch supporter :
en
- DE582734C - Switching arrangement for remote-controlled asynchronous generators with commutator exciter, especially in water power plants :
de
en
- CA335043A - Packaging means :
en
fr
- US1923306A - Valve for corrosive fluids :
en
- US1924068A - Lubricant reservoir and pump for central lubrication systems :
en
- USD90559S - Design for a wooden bed :
en
- AT134572B - Moisture-proof cable entry. :
de
en
- DE582795C - Treatment of films made from regenerated cellulose :
de
en
- FR42580E - Process for the manufacture of pressed articles, in particular articles made of artificial resin and in masses of all kinds containing artificial resin :
en
fr
- GB397235A - Timepiece :
en
- DE582881C - Circuit for electrically powered points or track barriers :
de
en
- DE582880C - Tool for the production of seamless intermediate rings for bicycle chains :
de
en
- DE582996C - Process for binding sulfates in clays, mortars, etc. like :
de
en
- GB397417A - Improvements in or relating to machines for packing cigarettes and like articles :
en
- USD90550S - Design for a textile fabric or :
en
- FR42601E - Improvements to collars, saddles, saddles and other draft or pack items :
en
fr
- GB397324A - Improvements in mechanism for controlling the supply of current to electrically operated suction cleaners :
en
- US1923360A - Roll drive :
en
- US1924055A - Elevating grader :
en
- US1923169A - Shoe sole and method of making the same :
en
- US1923496A - Explosive cartridge :
en
- US1923207A - Vacuum automobile ventilator :
en
- GB397502A - Improvements in and connected with windows :
en
- FR750960A - Compressed gas explosive cartridge :
en
fr
- FR750857A - Device for controlling vehicle brakes using hydraulic pressure :
en
fr
- FR750970A - Rigid chassis for vehicles :
en
fr
- US1923973A - Aircraft :
en
- DE574889C - As a control device, especially for mixing processes, used electrical inclination scales :
de
en
- FR750939A - Baluster compass :
en
fr
- FR750929A - Discharge head for shower units :
en
fr
- GB397426A - Improvements in razor blades for safety razors :
en
- GB397858A - Improvements in electric signalling systems :
en
- FR42588E - Further training provided in the establishment of combine harvesters :
en
fr
- GB397362A - Improvements in and relating to the thread guides of ring spinning and twisting frames :
en
- GB397376A - Improvements in illuminated signs :
en
- FR42604E - Device for the remote control of fire extinguishers, either automatically or directly by hand :
en
fr
- GB397277A - Improvements in or relating to the production of coated articles :
en
- FR42590E - Method of projection without inversion of an embossed film onto another embossed film :
en
fr
- US1923780A - Lifting appliance :
en
- US1923839A - Weather excluding device for closures :
en
- US1923924A - Voice coil form :
en
- US1924027A - Burial vault :
en
- USD90557S - Design for a pencil sharpener :
en
- FR751048A - Remote control system at one or more stations of a component admitting two operating positions :
en
fr
- GB397397A - Improvements in and relating to reflectors :
en
- US1923926A - Elastic cord :
en
- US1923944A - Azo dyestuffs for leather :
en
- GB397212A - Improvements in the manufacture of optically active menthols :
en
- GB397391A - Improvements in or relating to fire extinuishers :
en
- GB397272A - High speed chain and method for producing same :
en
- US1923900A - Mechanism for forming wire fabric :
en
- US1923963A - Aerial safety device :
en
- DE582852C - Process for the preparation of dyes of the thioindigo series :
de
en
- US1923196A - Traction wheel :
en
- US1923342A - Automobile construction :
en
- US1923531A - Aim perfecting attachment for guns :
en
- GB397246A - Improvements in perpetual calendars :
en
- DE583014C - Umbrella with a propeller that can be rotated around the umbrella shaft :
de
en
- US1924041A - Process of manufacturing alpha product containing ammonium nitrate and calcium carbonate :
en
- FR42584E - Fast and economical refining of impure common steels and in particular Thomas steel :
en
fr
- FR750879A - Fuel system for internal combustion engines for automobiles, with variation or mixture of fuels :
en
fr
- GB397398A - :
en
- FR42608E - Scooter :
en
fr
- AT134525B - Gang saw. :
de
en
- CA335104A - X-ray apparatus :
en
fr
- FR750862A - Improvements to auxiliary motor bicycles :
en
fr
- DE582731C - Circuit arrangement for remote offices with several operator stations :
de
en
- US1923842A - Sprag gear mechanism :
en
- US1923907A - Device for preventing the theft or unauthorized use of automobiles :
en
- US1923517A - Folding chair :
en
- FR42609E - Connection devices for the distribution and distribution of underground and overhead-underground telephone networks :
en
fr
- GB397237A - Improvements in articles of or containing rubber or the like and the manufacture thereof :
en
- FR42551E - Luggage net mounting device :
en
fr
- FR750867A - Method and apparatus for operating internal combustion engines with high boiling liquid fuel :
en
fr
- DE582855C - Dry spinning process for the production of hollow fiber cellulose acetate silk with a milky matt sheen :
de
en
- US1923703A - Nongelling lacquer :
en
- DE582793C - Device for splitting hydrocarbon oils :
de
en
- FR42591E - Apparatus for the individual separation of bodies from their associations by magnetic, mechanical and, if necessary, electro-magnetic effects :
en
fr
- FR750923A - Process for carrying out chemical reactions and physical reactions between gases, vapors or gases containing vapors and liquids :
en
fr
- FR750972A - Manufacturing process for industrial or household soap, in paste or in bars :
en
fr
- FR751074A - Automatic advance adjustment device for pumps and other components with reciprocating movements :
en
fr
- DE582910C - Process for the production of easily removable galvanic metal deposits :
de
en
- DE582705C - Flying shears for cutting rolling stock :
de
en
- FR42599E - gasoline purifier :
en
fr
- FR42570E - Method and apparatus for the flow of sweat steam baths :
en
fr
- GB397494A - Improvements in draught, dust and weather excluders for doors and windows :
en
- FR42554E - Improvements to oscillating electric motors with soft iron frame, mainly for chronometric applications :
en
fr
- FR750875A - Method and installation for heating reinforced concrete constructions :
en
fr
- FR750918A - Improvements to reservoir pen holders :
en
fr
- FR750861A - Improvements to support plates used for the composition of prices or texts using movable type :
en
fr
- US1923478A - Vending machine :
en
- US1923676A - Automotive heater :
en
- AT134597B - Float valve. :
de
en
- DE544584C - Method for determining the position of the imprint on cigarettes in cigarette packing machines :
de
en
- DE582987C - Locking device for the brake lever of motor vehicles :
de
en
- DE582990C - Locking device for rotatable headlights mounted on the vehicle :
de
en
- US1923162A - Signal device for vehicles :
en
- US1923249A - Aeroplane :
en
- US1923665A - Mounting for sliding vehicle windows :
en
- GB397407A - Improvement in method of manufacturing sulphate of alumina :
en
- US1923122A - Air hammer driven wrench :
en
- US1923367A - Trailer hitch :
en
- US1923498A - Air purifier :
en
- US1924067A - Method of and machine for building belts :
en
- GB397245A - Improvements in electric protective arrangements :
en
- DE582800C - Process for the production of highly refractory masses :
de
en
- DE583024C - Process for preventing the hardening of powdery phosphate anti-rust salts :
de
en
- GB397452A - Packing for photographic films :
en
- US1923075A - Composite metal article and method of forming the same :
en
- US1923957A - Accelerator of vulcanization :
en
- US1923771A - Typewriting machine :
en
- US1924033A - Aerial support :
en
- DE582790C - Process for the production of cleaning, emulsifying and wetting agents :
de
en
- DE582812C - Device for achieving a trouble-free transition of an electric traction vehicle fed by a contact line divided into sections when transitioning from one contact wire section to another with a different voltage or phase :
de
en
- GB397481A - Improvements in and relating to the purification of magnesium chloride :
en
- DK47663C - Capsule combustion power machine with Auxiliary fluid. :
da
en
- FR750863A - Combined puncture valve :
en
fr
- GB398159A - Improvements in domestic grates :
en
- FR751054A - Oil-fired heater :
en
fr
- GB397255A - Improvements in or relating to the dobby mechanism of looms for weaving :
en
- DE582730C - Device for scanning or building up television images with parallel line rasterization :
de
en
- DE582749C - Device for testing different types of radio tubes :
de
en
- DE582871C - Firing machine :
de
en
- FR750873A - Artificial material and process for its manufacture :
en
fr
- US1923820A - Sliding-barrel rotary-cutter-spindle cutter head :
en
- US1923966A - Method of constructing acoustic diaphragms :
en
- US1923857A - Gravity feed oiler :
en
- AT134507B - Collapsible serving trolley. :
de
en
- CA335082A - Silent gear :
en
fr
- US1923588A - Water gun :
en
- FR42585E - Improvements to hard metal compositions and their manufacturing processes :
en
fr
- DE582696C - Insertion and ejection device for presses :
de
en
- FR42633E - Manufacturing process for slippers, espadrilles, etc. :
en
fr
- GB397303A - Apparatus for electrometric determination of hydrogen ion concentration :
en
- US1923989A - Piping and the like :
en
- GB397381A - Sparking plug for internal combustion engines and method for producing same :
en
- US1923557A - Pressure feed system for liquid fuel :
en
- US1923970A - Automobile headlight protector :
en
- DE582932C - Mastic asphalt cooking machine :
de
en
- US1923127A - Relief valve :
en
- US1924047A - Constructional material :
en
- DE573012C - Mouthpiece for cigarettes :
de
en
- US1923616A - Match package and method of :
en
- GB397307A - Improvements in or relating to game devices :
en
- CA335123A - Boiler feed water de-aerating apparatus :
en
fr
- AT134565B - Multi-conductor cable. :
de
en
- AU970132A - Dust removal apparatus :
en
- DE582770C - Device for picking up and dropping off cargo from aircraft in flight :
de
en
- FR750899A - Typewriter and calculator, combined :
en
fr
- CA335117A - Liquid fractionating apparatus :
en
fr
- US1923468A - Auxiliary temperature regulator for thermostatically controlled gas-fired refrigerators :
en
- CA335113A - Mineral oil refining process :
en
fr
- US1923962A - Flash light :
en
- CA335035A - Dustless ash shovel :
en
fr
- US1923460A - Distributing device for pneumatic elevators :
en
- US1923672A - Kecovery of furfural from filter :
en
- US1923231A - Control and safety device for railways and tramways :
en
- US1923702A - Nongelling lacquer :
en
- CA335042A - Packaging means :
en
fr
- CA335078A - Rubber preserving medium :
en
fr
- US1924053A - Method of packing fruit :
en
- GB397201A - Improvements in smoothing arrangements for rectified electric current :
en
- US1923428A - Electric switch :
en
- FR42624E - Container made by gluing a cut piece of paper and its manufacturing process :
en
fr
- FR750969A - Soil-less cultivation process on clods of humus and in tufts :
en
fr
- GB397197A - Improvements in or relating to automatic sheet feeders for use on printing machines :
en
- GB397354A - Improvements in trap nests for poultry :
en
- AT134536B - Method and device for applying paper stock to the wire of paper machines. :
de
en
- CA335139A - Seating arrangement for motor vehicles :
en
fr
- DE582954C - Process for the preparation of condensation products from ketone dicarboxylic acids :
de
en
- US1923955A - Alloy :
en
- USD90525S - Design for a window curtain tie :
en
- DE582713C - Electrical safety device to protect against overloading of an engine with an endless conveyor chain :
de
en
- FR42577E - Process for the separation of materials of different specific gravities :
en
fr
- GB397213A - Improvements in metal labels for horticultural and other uses :
en
- GB397329A - A method of and carburettor for forming a combustible charge for internal combustionengines :
en
- GB397445A - Improvements in the manufacture of high molecular organic thiosulphates :
en
- US1923244A - Toy circus :
en
- GB397174A - Improvements in or relating to electro-magnetic relays :
en
- GB397410A - Improvements in or relating to method of manufacturing basic alum :
en
- DE582737C - Arrangement for the operation of alternating current machines :
de
en
- DE582789C - Hydro power machine to exploit the overpressure of urban lines :
de
en
- GB397485A - Paper reel control apparatus :
en
- GB397522A - Improvements in and connected with weighting machines :
en
- GB397264A - Improvements connected with the combustion of fuels in furnaces :
en
- GB397475A - Improvements in or connected with electrical primary cells :
en
- US1923361A - Shock absorbing spring :
en
- US1923929A - Holder for tubes :
en
- FR42647E - Method and safety device for automatic die-casting machines :
en
fr
- US1923753A - Article distributing device :
en
- IE12598L - Discharge tubes :
en
- FR42631E - Oblique view microscope :
en
fr
- US1923495A - Process for obtaining lusterless artificial silks :
en
- US1923894A - Cushioning device :
en
- US1923940A - Heating means :
en
- DE582704C - Process for machining the pistons of internal combustion engines on a machine :
de
en
- US1923890A - Valve structure for footballs, basket balls, and the like :
en
- US1923092A - Electric switch :
en
- US1923305A - Signaling system :
en
- US1923649A - Power transmitting mechanism :
en
- US1923696A - Electric valve converting apparatus :
en
- AU828332A - Improvements in or relating to radio receivers forthe purpose of operating ona low voltage direct current :
en
- FR751091A - Automatic token dispenser :
en
fr
- US1923083A - Heating apparatus :
en
- FR751025A - wheat garlic remover :
en
fr
- US1923561A - Rotary combustion engine :
en
- FR42569E - Refinements to Endless Soft Band Advertising Devices :
en
fr
- US1923379A - Double inertia check for synchronizing clutches :
en
- US1923545A - Full fashioned knitting machine :
en
- US1923677A - Plant package and method of making and transplanting the same :
en
- DE583011C - Automatic voltage regulator for alternating current :
de
en
- FR751010A - Machine for grinding, sharpening, ironing and polishing cutting tools and method of using this machine :
en
fr
- US1923241A - Table construction :
en
- US1923630A - Treatment of hydrocarbons :
en
- FR42644E - Device for the production of ornamental fabrics :
en
fr
- FR750949A - Device for the treatment of corns on the feet :
en
fr
- FR751064A - Improvements made to fuel systems to ensure cold starting and running of internal combustion engines :
en
fr
- GB397345A - Improvements in or relating to the manufacture of cans, canisters and like containers :
en
- GB397248A - Improvements relating to flushing cisterns :
en
- GB397371A - Improvements in moulds for use in the construction of floor slabs, wall panels, pavement lights, windows and the like of glass framed in ferroconcrete :
en
- CA335034A - Motor-vehicle heating apparatus :
en
fr
- FR42643E - Process for reducing chromium oxide and for using the chromium thus obtained for the preparation of carbon-free alloys :
en
fr
- FR750936A - Device for preparing and filtering any infusion: coffee, tea, chamomile, lime, etc. :
en
fr
- FR750865A - Device for manufacturing a liquid-tight winding for the stator of submersible electric motors :
en
fr
- GB397495A - Improvements in or relating to looms having stationary weft supplies :
en
- FR750950A - :
fr
- FR750886A - High-grade sodium azotite manufacturing process :
en
fr
- US1923165A - Triple gas control valve :
en
- FR750965A - Reservoir pen holder :
en
fr
- GB397196A - Improved process and apparatus for the production of inspissated sugar fruits and vegetables :
en
- GB397301A - Improvements in or relating to trousers :
en
- US1923397A - Vehicle :
en
- DE582726C - Process for converting poorly soluble or insoluble cellulose ether into a readily soluble form :
de
en
- GB397220A - Improvements in or relating to brake apparatus for railway vehicles :
en
- US1923283A - Slip :
en
- AT134504B - Insulated electric wire in the style of incandescent light cords. :
de
en
- AU871232A - An extensible screw-cutting die-head :
en
- US1923713A - Fruit and vegetable assorting apparatus :
en
- CA335088A - Gas cleaning method :
en
fr
- FR751095A - Sealing core for dykes and earth piers, especially for dams :
en
fr
- GB397292A - Improvements in fire-bridges for boiler furnaces :
en
- FR750974A - Folding hygienic seat for children :
en
fr
- GB397280A - Arrangement on motor cars for lifting same :
en
- FR750934A - Sand pit for cars and especially motor trucks :
en
fr
- GB397178A - Improvements in and relating to suction cleaners :
en
- GB397841A - Improvements in means or apparatus for supplying air or gas in a more or less finely divided state to liquids :
en
- US1924077A - Boiler :
en
- US1923891A - Apparatus for refracting light rays :
en
- US1923945A - Vending machine :
en
- US1923088A - Vibration detector :
en
- US1923109A - Inkwell :
en
- US1923185A - Hydraulic brake system for automotive vehicles :
en
- US1924079A - Means for supporting resistor coils in electric furnaces :
en
- US1923313A - Illuminant burning with alpha multicolored flame :
en
- US1923344A - Milk bottle crate :
en
- DE582865C - Footwear sewing machine with hook needle, thread holder and thread deflector :
de
en
- FR750874A - Device for fixing the rails to the sleepers :
en
fr
- US1923147A - Electric cable and method of operating the same :
en
- US1923155A - Radio receiving system :
en
- US1923256A - Process of making contact sulphuric acid :
en
- US1923773A - Furnace conveyer shaft :
en
- US1924039A - Electrical measuring instrument :
en
- USD90561S - Design for a floor lamp base holder :
en
- GB397352A - Improvements in or relating to rotary internal combustion or explosion engines :
en
- US1923184A - Magneto-electric ignition apparatus :
en
- US1923712A - Tomato coring and peeling machine :
en
- US1924071A - Apparatus for determining the deviation of well holes and casings :
en
- DE582991C - Single cover or cover for a wheel spoke :
de
en
- FR750935A - Portable electric lamp :
en
fr
- GB397864A - Improvements relating to mastic asphalts and agglomerates :
en
- US1923731A - Liquid pressure measuring apparatus :
en
- FR750871A - Process for preparing addition compounds of formyl halides :
en
fr
- DE582835C - Theft protection for motor vehicles :
de
en
- GB397263A - An improved insulating compound particularly for use in connection with electric cables :
en
- GB397361A - Improvements in pile elevators more especially for use with sheet-feeding machines :
en
- GB397408A - Improvements in the method of manufacture of basic alum :
en
- GB397442A - Improvements in or relating to loom shuttles adapted for automatically stopping the loom on substantial depletion of the weft :
en
- US1923234A - Brake :
en
- US1923670A - Paper machine :
en
- US1923126A - Rotary macuine-peime mover power unit and method of assembling and dismantling the same :
en
- US1924035A - Concrete floor construction :
en
- GB397409A - Improvements in method of manufacturing alumina :
en
- FR751011A - Improvements in processes and apparatus for the treatment of distillation of materials containing hydrocarbons :
en
fr
- GB397366A - Improvements relating to the construction of polyphase meters :
en
- US1923181A - Vehicle headlight :
en
- US1923553A - Mold pouring apparatus :
en
- US1923979A - Liquid projecting device :
en
- US1923745A - Electrically operated weighing scale :
en
- GB397432A - Improvements in crystallizers :
en
- US1923138A - Method and apparatus for continuous filtering :
en
- GB397273A - Rack for draining and drying kitchen utensils :
en
- US1923259A - Grain drill :
en
- US1923556A - Attachment for sewing machines :
en
- US1923220A - Vent pipe joint guard :
en
- US1923554A - Machine for feeding molten glass :
en
- CA335046A - Camera exposure indicator :
en
fr
- CA335092A - Fastener applying machine :
en
fr
- GB397508A - An improved method of preparing rubber vehicle tires for vulcanization :
en
- FR750958A - Dosing funnel with tap, with air outlet :
en
fr
- GB397843A - Improvements relating to the supply of feed water to boilers :
en
- FR750926A - Assembly of rail brake magnets with the car chassis :
en
fr
- GB397418A - Improvements in or relating to the mounting of objectives for use with cinematograph and like projectors :
en
- US1923543A - Modulation system :
en
- US1923667A - Twisting device :
en
- US1923708A - Circuit interrupter :
en
- US1923626A - Watch cleaning machine :
en
- US1924020A - Tight joint for pipings :
en
- FR750889A - Heating for living room :
en
fr
- GB397254A - Improvements in and relating to amplifying thermionic tubes or valves :
en
- US1923455A - Mill-starch treatment and method :
en
- GB397360A - Gilled pipes and a method for their manufacture :
en
- GB397425A - Improvements in and relating to glass working machines :
en
- FR750980A - Improvements to suction boxes :
en
fr
- FR751066A - Improvements to heeled shoes :
en
fr
- US1923295A - Plug valve :
en
- US1923641A - Low viscosity cellulose fiber and process of producing the same :
en
- US1923833A - Window frame :
en
- DE582748C - Rod-shaped capacitor with metal caps, which accommodate the electrodes of the capacitor, which can be organically connected to the coatings, and which are made directly on the capacitor :
de
en
- DE582889C - Mixing machine with several runners :
de
en
- FR42634E - New cup with removable metal handle :
en
fr
- FR750940A - Process for preparing calcium compounds :
en
fr
- FR42576E - Wallet and its seamless assembly :
en
fr
- GB397320A - Improvements in radio interference preventive devices :
en
- FR42636E - Combined motor and manual control of shut-off valves for gaseous substances :
en
fr
- DK47660C - Bathtub with Radiator device. :
da
en
- US1923146A - Combination antirattle and fastening device for window sash :
en
- US1923299A - Discardable dust bag for cleaners :
en
- US1923792A - Burial vault :
en
- CA335142A - Sanding device :
en
fr
- GB397385A - Improvements in coke oven doors :
en
- US1923314A - Trolley tender :
en
- US1924076A - Flow meter :
en
- GB397326A - Improved dish washing machine :
en
- GB397454A - Process for proofing substances for the manufacture of containes for foodstuffs and similar products, and new articles of manufacture resulting therefrom :
en
- GB397221A - Improvements relating to apparatus for measuring or indicating phase relation of alternating current circuits :
en
- CA335106A - Automobile transmission :
en
fr
- US1923523A - Automatic sign :
en
- GB397309A - A process for dehydrating or wetting aqueous substances with organic liquids :
en
- DE582842C - Brass alloy for the manufacture of bearings by pressing :
de
en
- DE582933C - Arm support rail with shoulder joint to be attached to the body :
de
en
- GB397839A - Potato harvesting machine with shovel wheel and elevator arranged behind the share :
en
- GB397862A - Improvements in processes and apparatus for washing gas :
en
- DE582813C - Method for displaying, measuring or making the change over time of an electrical variable or any variable convertible into an electrical variable effective :
de
en
- FR750930A - Ankle for reduction of bone fractures :
en
fr
- GB397288A - Process for the separation of iron and aluminium oxides :
en
- FR750860A - Wire mesh trellis :
en
fr
- GB397333A - Improvements in and relating to dielectric materials :
en
- US1923877A - Method of producing salts in globular form :
en
- GB397524A - Improvements in or relating to wireless direction finding, bearing finding, and similar systems :
en
- AU877932A - Improvements in and relating to rams operated by internal combustion :
en
- AU936632A - Improvements relating tothe regulation of hydraulic shock absorbers :
en
- DE582785C - Process for removing dust from tobacco portions intended for the formation of cigar wraps :
de
en
- US1923830A - Shoe :
en
- USD90544S - Design for a shoe :
en
- US1923632A - Highway marker :
en
- FR751100A - Wet dust and gas scrubbing devices :
en
fr
- DE582941C - Device for recording, in particular rapidly running processes :
de
en
- US1923141A - Fluid pressure brake :
en
- US1923861A - Light :
en
- US1923864A - Brush plate assembly :
en
- US1923881A - Sheet material article and method of making the same :
en
- US1924008A - Roof-flashing :
en
- US1924014A - Fuse for electric circuits :
en
- GB397253A - Improvements relating to the production of artificial silk :
en
- GB397291A - Improvements in and relating to electric discharge devices :
en
- US1923768A - Combined rear vision mirror and instrument :
en
- FR42568E - Sweatshirt product :
en
fr
- US1923992A - Automatic starting mechanism :
en
- USD90535S - Design for a shoe :
en
- US1923921A - Mower :
en
- US1924050A - Correcting mechanism for synchronous apparatus :
en
- DE582902C - Nail nippers :
de
en
- US1923404A - Airplane radiator :
en
- US1923871A - Cake cutting machine :
en
- US1923633A - Fountain pen :
en
- DE582906C - Net mattress with net support rollers rotatably mounted on the frame ends :
de
en
- US1923933A - Door stop and catch :
en
- US1924066A - Corridor trap nest :
en
- DE582452C - Rail fastening on iron sleepers using hook washers :
de
en
- AT134551B - Piston with piston ring. :
de
en
- US1923347A - Electric meter :
en
- US1923505A - Electric machine for recording stenographically the spoken word :
en
- FR751007A - Transfer accounting device :
en
fr
- DE575750C - Process for the production of polyglycides :
de
en
- US1923293A - Gauge for cutting machines :
en
- US1923932A - Vulcanization of rubber and rubberlike substances :
en
- CA335036A - Tennis racquet stringing apparatus :
en
fr
- CA335059A - Rubber latex adhesive :
en
fr
- US1923868A - Fuel enriching means :
en
- FR750903A - Process for hydrogenating primary aromatic amines :
en
fr
- CA335030A - Pipe connection :
en
fr
- DE582947C - Device for the production of sharply delimited paint, varnish u. Similar applications :
de
en
- US1923338A - Radiator cap :
en
- US1923551A - Braided or plaited material :
en
- US1923735A - Antioxidant or age-retarder for rubber compounds :
en
- US1923789A - Reenforcement for hand baskets :
en
- US1923986A - Combination ice pick :
en
- US1923740A - Pump diaphragm :
en
- USD90555S - Design for a lamp shade :
en
- USRE18924E - Absorption method and apparatus :
en
- US1923832A - Window frame :
en
- US1923163A - Bumper construction :
en
- US1924032A - Height indicator :
en
- DE582702C - Process for the production of pest repellants :
de
en
- AT134581B - Device for adjusting the brake magnet of electricity meters. :
de
en
- US1923559A - Talking machine :
en
- US1923956A - Grave vault :
en
- AU870032A - Heat transmission device :
en
- US1924000A - Coin insertion saving device in clocks, counters, and like motion works :
en
- US1924038A - Mixing device :
en
- GB397496A - Improvements in and relating to the assembling of constructional metal work :
en
- US1923062A - Multiple bead positioning ring :
en
- FR42582E - Umbrella and parasol refinements :
en
fr
- US1923683A - Safety device for elevators :
en
- US1923934A - Radio beacon course shifting method :
en
- FR751065A - :
fr
- GB397270A - Improvements in or relating to the provision of articles with a smooth matt finish :
en
- CA335062A - Railway car brake system :
en
fr
- DE582669C - Incandescent lamp holder made of insulating material :
de
en
- DE583010C - Device for voltage regulation of electricity consumers connected to an alternating current network via a transformer with the interposition of a rotary transformer :
de
en
- CA335100A - Plywood container :
en
fr
- DE582916C - Movement device for the bottom valve body of a sink, bathtub and. like :
de
en
- FR42605E - Fire extinguisher :
en
fr
- US1923896A - Mining soluble salt :
en
- FR751052A - Headlight for bicycles and motorcycles :
en
fr
- CA335098A - Hair waving apparatus :
en
fr
- FR750884A - Rivet and its manufacturing process :
en
fr
- FR751068A - Process for the dehydration of phenols and mixtures containing phenols :
en
fr
- CA335068A - Rubber insulated electrical conductor :
en
fr
- CA335103A - Cereal product improving composition :
en
fr
- GB397203A - Improvements in or relating to blasting cartridges :
en
- FR751012A - Device for putting on the elements of quick-release closures :
en
fr
- GB397222A - Improvements in excavators :
en
- FR750885A - Pump for all fluids :
en
fr
- FR751016A - Stencil for obtaining multicolored pieces :
en
fr
- US1923680A - Temperature actuated electric circuit control :
en
- US1923873A - Closure latch :
en
- DE582845C - Process for the separation of organic bases from creosotides :
de
en
- DE583013C - Method and device for sterilizing medical, in particular surgical, instruments :
de
en
- CA335148A - Suspension hanger :
en
fr
- US1923114A - Ink pad :
en
- GB397202A - Improvements in or relating to motion picture projection and sound reproducing apparatus :
en
- US1923446A - Filing device :
en
- US1923720A - Game apparatus :
en
- FR751001A - Optical device for lighting devices :
en
fr
- US1923110A - Supporting means for aircraft sustaining rotors :
en
- GB397856A - Improvements in and connected with transformers of the static type :
en
- FR42565E - Low beam headlamps for motor vehicles :
en
fr
- GB397165A - Apparatus for playing a race game :
en
- US1923317A - Massage device :
en
- US1923640A - Cream remover :
en
- US1923355A - Car heater :
en
- FR751083A - New water insoluble azo dyes :
en
fr
- GB397379A - Coffee filter :
en
- DE583035C - Method and device for operating metal halide lamps with dampening of metals which evaporate more difficultly than mercury :
de
en
- GB397181A - Improvements in or relating to reciprocating-crosshead engines :
en
- GB397258A - Improved ash pail :
en
- FR42596E - New lock closed by handles or buttons and application of this closure to all locks :
en
fr
- US1923270A - Current conducting molding for ornamental lighting :
en
- FR42628E - Elastic fixing method of the bodywork on the chassis of a vehicle such as an automobile, wagon, etc. :
en
fr
- FR750893A - Transmission for self-propelled bogies :
en
fr
- USD90537S - Design for a shoe :
en
- DE582859C - Self-locking turnbuckle :
de
en
- US1923730A - Production of arylglycines :
en
- US1923595A - Control mechanism :
en
- US1923284A - Spiral pipe welding machine :
en
- FR751004A - Machine for testing the hardness of metals, especially hard metals or thin blades :
en
fr
- GB397164A - Improvements in and relating to printing cylinders :
en
- GB397252A - Improvements in or relating to golf clubs :
en
- US1923669A - Dental X-ray focusing instrument :
en
- FR750973A - Panel system for the construction of partitions :
en
fr
- US1923533A - Window sash meeting rail :
en
- US1923273A - Printing telegraph :
en
- FR751033A - Improvements to processes for color photography and cinematography :
en
fr
- GB397189A - Improvements in apparatus for plotting maps from photographs taken from aircraft :
en
- US1923192A - Syringe thermohydrometer :
en
- FR750937A - Process for obtaining a coating material, starting from aqueous dispersions of rubber :
en
fr
- FR751089A - Mobile boom with passes through the body, for the evacuation of ice and floating bodies :
en
fr
- US1923688A - Doorlatch :
en
- US1923928A - Collapsible paper box :
en
- US1924028A - Manufacture of foundry molds :
en
- US1923341A - Cooking utensil :
en
- US1923925A - Printing press :
en
- DE583012C - Device for carrying out the electrolytic regeneration of the potassium ferrocyanide produced during the purification of gases by the oxidation of hydrogen sulfide with potassium ferricyanide to sulfur :
de
en
- GB397349A - Improvements in and relating to ceramic liquid resistances :
en
- DE582686C - Device for generating alternating current of variable frequency :
de
en
- GB397187A - Improvements in the hydration of olefines :
en
- GB397394A - Improvements in and relating to condensers for refrigerating machines :
en
- FR750868A - Guide rails for sliding windows :
en
fr
- GB397296A - Highly ohmic resistance :
en
- US1923372A - Device for the manufacture of pipe fittings :
en
- US1923394A - Gas burner :
en
- US1923747A - Apparatus for mounting alpha rim upon alpha wheel :
en
- GB397261A - Zonal spherical aberration correction of photographic lenses :
en
- DE582680C - Machine for drilling tunnels :
de
en
- US1923647A - Lock bolt, nut, or screw :
en
- US1923682A - Golf tee :
en
- GB397428A - Improvements in or relating to bobbin tubes for use in the textile industry :
en
- GB397348A - Improvements in automatic weighing mechanisms particularly for filling and closing machines :
en
- FR750947A - High strength white alloy :
en
fr
- FR750975A - Seat cane :
en
fr
- GB397387A - Improvements in or relating to reciprocating engines :
en
- GB397369A - Improvements in and relating to the production of catalysts :
en
- FR750964A - Bottle crate or the like :
en
fr
- GB397276A - Process for the production of driers of improved stability and solubility :
en
- US1923417A - Folding furniture leg :
en
- DE582901C - Hair clip with hinged lower locking bracket :
de
en
- DE582752C - Process for the production of fine-grained magnetizable powder :
de
en
- FR750912A - Hysteresis clock motor :
en
fr
- FR750920A - Intake and exhaust system by rotary slide valve for internal combustion engines and the like :
en
fr
- FR750907A - Automatic sorting device for coins and tokens :
en
fr
- US1923413A - Pressure indicator :
en
- US1923883A - Pump :
en
- GB397504A - Improvements in and relating to boxes or crates for fish and like perishable goods :
en
- US1923149A - Doorlock :
en
- US1923706A - Age retarders :
en
- US1924023A - Adjustable wrench :
en
- US1923359A - Playground and other balls and method of making same :
en
- GB397433A - Device for the feeding of cartridges in automatic fire-arms :
en
- GB397537A - Improvements in or relating to the removal of ammonia from fuel gas :
en
- DE582779C - Gear for the mechanical determination of the position of an organ adjustable in a field in polar coordinates :
de
en
- FR750986A - New foundry sand and molds and cores with application :
en
fr
- DE582836C - Machine for oblique grinding of the edges of oval glass plates :
de
en
- DE583009C - Oil switch :
de
en
- AT134530B - Washing machine. :
de
en
- US1923288A - Means for applying push or pull of motor vehicle to increase traction :
en
- US1923315A - Hand brake :
en
- US1923777A - Bearing mounting :
en
- FR42559E - Improvements to billiards :
en
fr
- DE582722C - Carburetor :
de
en
- US1923378A - Synchronizing clutch mechanism :
en
- US1923077A - Vehicle body :
en
- US1924073A - Stable ammonium salt of primula saponine :
en
- DK47672C - Clockwork Coin Contact Mechanism. :
da
en
- US1923872A - Brake mechanism :
en
- FR750933A - Colander for flour or other similar pulverulent material :
en
fr
- GB397209A - Improvements in or relating to permanently sealed inflated permeable objects particularly tennis and the like playing balls :
en
- GB397372A - Improvements in the winning of highly refractory carbides :
en
- GB397350A - Improvements in or relating to thermionic valves and cathode structures therefor :
en
- DE582964C - Abraumfoerderbruecke :
de
en
- US1923437A - Brake :
en
- US1923742A - Sheet metal receptacle :
en
- DE582853C - Pour point depressant :
de
en
- DE583034C - Circuit and apparatus arrangement for independent telephone systems with company line traffic :
de
en
- US1923221A - Process of melting glass :
en
- US1923757A - Sound recording system :
en
- US1924074A - Support for curtains and other light articles :
en
- US1923223A - Mothproofing substances :
en
- FR750908A - Unloader for hay, straw, sheaves and similar materials :
en
fr
- DE582828C - Transverse or longitudinal bearings with conical flat head rollers :
de
en
- GB397519A - Improvements relating to the reflectors of optical projection apparatus :
en
- GB397312A - Improvements in or relating to electric transformers :
en
- US1923793A - Activity analysis and recording device :
en
- US1923722A - Fruit cleaning machine :
en
- US1923729A - Tunnel kiln :
en
- US1923494A - Press :
en
- US1923758A - Soap lather dispenser :
en
- GB397464A - Device for the operation of an auxiliary electric switch in conjunction with other apparatus :
en
- GB397842A - Improvements in or relating to internal-combustion engines :
en
- DE582771C - Airplane with a gondola attached to the airframe in a transverse axis, especially for training flight students :
de
en
- US1923308A - Sidereal-civil clock combination and carrying case therefor :
en
- GB397430A - Improvements in or relating to milling machines :
en
- US1923835A - Surfacing material and process of preparing same :
en
- AT134527B - Automatic cutting device for paper, fabric, etc. like :
de
en
- US1923327A - Explosive :
en
- CA335126A - Multi-conductor cable :
en
fr
- US1923128A - Shock absorber :
en
- US1923605A - Window construction :
en
- AT134583B - Locks for doors, in particular for motor vehicles. :
de
en
- DE562572C - Process for producing partial screen negatives for multi-color printing :
de
en
- FR42613E - Method for the regulation of an additional electrical power exchanged between two distribution networks :
en
fr
- FR751071A - Toggle :
en
fr
- US1923567A - Ophthalmic mounting :
en
- US1923732A - Nongelling lacquer :
en
- DE582931C - Electromagnetic transmission :
de
en
- US1923958A - Hydroplane :
en
- CA335025A - Screwed pipe joint :
en
fr
- US1923463A - Brake operating device :
en
- US1923129A - Slicing machine :
en
- US1923382A - Vehicle shipping device :
en
- US1923836A - Loading machine :
en
- US1924012A - Bobbin spinning machine for the manufacturie of artificial silk :
en
- AT134590B - Process for the production of welded parallel flanged single and double T-bars. :
de
en
- CA335016A - Braid treating composition :
en
fr
- AT134600B - Process for the production of welding rods provided with a coating layer. :
de
en
- DE582840C - Water bell closure for pouring stones, spouts, etc. like :
de
en
- AT134552B - Fluid change transmission. :
de
en
- US1923230A - Apparatus for adjusting beater engine rolls :
en
- US1923781A - Waste conveyer :
en
- US1924081A - Method and apparatus for making molds :
en
- DE582826C - Electrical signaling device on punch card evaluation machines :
de
en
- GB397185A - Improvements in or relating to electrically driven hand tools :
en
- AT134514B - Device for driving cinema machines. :
de
en
- US1923073A - Electrical connection device :
en
- US1923579A - Delinter :
en
- DE582824C - Gas stove with hinged hob :
de
en
- DE582997C - Process for the production of an emulsion for pavement :
de
en
- US1923065A - Foldable container and blank therefor :
en
- DE583537C - Steam power plant with pre-heating of liquids, especially feed water :
de
en
- GB397378A - Improvements in and relating to verdol papers :
en
- US1923239A - Barbituric acid derivative :
en
- US1923363A - Container :
en
- US1924013A - Powder sprayer :
en
- US1923291A - Rotary pump :
en
- DE582801C - Device for the even distribution of sludge in a sludge digester :
de
en
- DE582814C - Umbrella holder for electric multi-umbrella lights with at least one resilient retaining bracket :
de
en
- CA335058A - Fur skin tanning method :
en
fr
- GB397449A - Improvements in or relating to pneumatic tyres :
en
- CA335127A - Sound translating device :
en
fr
- FR750948A - Installation for the production by molding of ceramic parts of high weight :
en
fr
- GB397487A - Improvements relating to combustion-chambers of internal combustion engines and the arrangement of valves and sparking-plugs therein :
en
- US1923339A - Web pasting device :
en
- US1923511A - Process for eliminating arsenic and antimony from iron ores and manganese ores :
en
- AU1093833A - Improvements in or relating to cathode ray apparatus :
en
- FR751028A - Dispensing device applicable in particular to compressible tubes or containers :
en
fr
- FR751075A - Manufacturing process for light tubes and light tubes resulting from the application of this process :
en
fr
- FR751080A - Optical device against glare, particularly applicable to automobile headlights :
en
fr
- DE582799C - Device for the electrical remote display of movements by means of the Wheatstone bridge :
de
en
- DE582957C - Procedure for remuneration of railway tracks :
de
en
- DE582694C - Thread or tape monitor for core spinning and similar machines :
de
en
- DK47676C - Device for the production of stress-free, with relatively small pitch beaten steel ropes. :
da
en
- US1923469A - Tile measuring and sorting mechanism :
en
- US1923801A - Wood sawing toy :
en
- US1923655A - Flow control apparatus :
en
- US1924062A - Turbine driven locomotive :
en
- US1923490A - Manufacture of alpha new crystallized product from digitalis :
en
- US1923681A - Solenoid operated valve :
en
- US1923263A - Line guide :
en
- GB397434A - Improvements in the preparation of chromates and dichromates :
en
- US1923608A - Process for the preparation of aliphatic sulphoacids :
en
- US1923646A - Cover for books, binders, or similar articles :
en
- US1923769A - Refractory material for use in metal casting :
en
- AT134593B - Device for storing and unwinding twine and cord in ball and cross coil winding. :
de
en
- FR42637E - Device for preparing flat blanks of paper or cardboard intended for the manufacture of hollow bodies, such as cups and other receptacles provided with a base :
en
fr
- DE582896C - Soda processes with by-production of ammonia or ammonium sulphate :
de
en
- GB397465A - Improvements in or relating to moulds and patterns for moulds :
en
- US1923882A - Generator device for liquid fuel stoves :
en
- US1923179A - Treatment of textiles and agents therefor :
en
- DE583005C - Switching arrangement for train control devices :
de
en
- DE581316C - Sheet metal roll film reel :
de
en
- US1923493A - Lathe :
en
- CA335115A - Lubricating oil :
en
fr
- FR750942A - Spray radiator for high speed vehicles :
en
fr
- FR751079A - Improvements to mechanical transmission systems and speed reducers :
en
fr
- DE582832C - Centrifugal pump with several stages in one wheel :
de
en
- FR750945A - Process for manufacturing nitrates by the action of nitrous vapors on alsace potash salts and sodium chloride :
en
fr
- FR750919A - Shelf enhancements :
en
fr
- CA335130A - Contact member manufacture :
en
fr
- CA335128A - Vacuum device manufacture :
en
fr
- US1923477A - Machine for serrating tubes and the like :
en
- US1923508A - Serving tray :
en
- AU971832A - Improvements in or relating to methods of and apparatus for use in producing stiff double collars for personal wear :
en
- DK47671C - Procedure and Device for Attaching Bottle Capsules of Aluminum Sheet or equivalent Soft Material. :
da
en
- GB397414A - Improvements in or relating to submersible pumps :
en
- US1923387A - Internal combustion engine :
en
- US1923786A - Feed mechanism for machine tools :
en
- US1924065A - Process of making zinc meta arsenite :
en
- CA335084A - Chronometric frequency control installation :
en
fr
- CA335033A - Door stop tool :
en
fr
- GB397217A - Improvements in and relating to window regulators :
en
- US1923787A - Hinge :
en
- US1923897A - Treating gases :
en
- US1923202A - Water-insoluble azo-dyestuffs and fiber dyed therewith :
en
- US1923443A - Lock construction :
en
- US1923733A - Apparatus for manufacturing thin rubber articles :
en
- US1923628A - Galley mechanism for monotype machines :
en
- DE582701C - Electric cigar lighter designed as a handheld or tabletop device with heating wire and built-in timer :
de
en
- DE582960C - Condensation or diffusion pump with an annular jet :
de
en
- GB397327A - Improvements in blind stitch mechanism for sewing machines :
en
- US1923480A - Internal combustion engine :
en
- US1923272A - Method and means for forming pipe elbows :
en
- US1923563A - Thread treating apparatus for sewing machines :
en
- US1923386A - Clutch lock for synchronizers :
en
- US1923303A - Combination concrete mixer and placer :
en
- US1923369A - Apparatus for manufacturing welded wire mattings :
en
- US1923656A - Heat recovery system :
en
- US1924022A - Cushion construction :
en
- AU871532A - Improvements in destructive hydrogenation :
en
- DE582818C - Draft regulator with a thermostat to be built into the boiler in a vertical and horizontal position :
de
en
- FR751013A - Filter paper and process for obtaining it :
en
fr
- GB397532A - An improved process for making ammonium sulphate niturate :
en
- GB397259A - Improvements in electrical water heaters :
en
- DE582753C - Device for electric arc welding of multiple curved weld seams, in particular axle bridges o. :
de
en
- DE582949C - Glazing machine :
de
en
- FR42646E - Improvements to control systems of an electrical quantity by means of electric discharge tubes :
en
fr
- FR751059A - Improvements to electronic adjustable cathode lamps :
en
fr
- CA335132A - Contact member manufacture :
en
fr
- US1923591A - Process for improving the mechanical properties of magnesium and its alloys :
en
- DE583391C - Process for the production of beryllium-aluminum alloys :
de
en
- DK47678C - Screen with Side Light Effect for Bicycle Lights, Projectors or similar. :
da
en
- GB397440A - Improvements in and relating to welded joints for hollow metal bodies, particularly pipe joints :
en
- FR750951A - Device for the production and use of ozone :
en
fr
- GB397411A - Improvements in method of manufacturing alumina :
en
- DE583018C - Sound recording and reproducing device :
de
en
- FR751051A - "Halftone" layers with silver images or the like :
en
fr
- GB397393A - Improvements relating to vibrators for mould boxes and like apparatus :
en
- US1923987A - Cinematographic apparatus :
en
- AT134515B - Layered materials, press mixes or injection molding mixes and products made from such materials or mixes and processes for their manufacture. :
de
en
- USD90540S - Design fob a shoe :
en
- GB397403A - Improvements in or relating to matrix-setting and type-line-casting machines :
en
- DE582666C - Protective flap for the fixed isolating switch pieces of extendable or lowerable switch units :
de
en
- FR42594E - Improvements to mowers :
en
fr
- GB397214A - Improvements in loud speaker installations :
en
- FR750864A - Spark plug :
en
fr
- DE582878C - Excavator with a bucket chain that can be raised and lowered in a vertical plane and guided around two pulleys :
de
en
- FR750938A - Improvements in the manufacture of plantation gum products :
en
fr
- GB397251A - Improvements in or relating to loading coil containers :
en
- US1923526A - Treating hydrocarbon oils :
en
- FR750985A - Cooler :
en
fr
- US1923167A - Shoe treating apparatus :
en
- US1923942A - Glass furnace :
en
- US1923666A - Method and apparatus for feeding liquid fuel to internal combustion engines :
en
- USD90551S - Design for a textile fabric or :
en
- DE582866C - Support arm sewing machine with differential material feed :
de
en
- DE582920C - Gas combustion device with luminous flame burner :
de
en
- DE582655C - Magazine device for optional playback of tape-shaped sound carriers :
de
en
- DE582782C - Device for removing the stock from boreholes in mining operations :
de
en
- FR751063A - Improvements to concrete or similar piles :
en
fr
- GB397175A - Improved coupling networks and circuits particularly applicable to thermionic amplifiers :
en
- DE582727C - Process for the preparation of ketocholanic acids :
de
en
- AU870232A - Improvements in or relating to shortwave radio communication systems :
en
- GB397867A - Improvements relating to filters :
en
- FR42558E - High efficiency gas train for heating bathtubs and all elongated containers or conduits :
en
fr
- FR751072A - Automatic collection device for stamping items sent by post and their equivalent :
en
fr
- AT134538B - Double fountain pen. :
de
en
- AT134524B - Shuttle drive for circular looms. :
de
en
- FR42593E - Method and device for damping the handle of compressed air hammers :
en
fr
- FR42575E - Capping of bottles with plastic metal caps :
en
fr
- FR42649E - Improvements made to the fixing of the opening levers of shoe polish boxes or others :
en
fr
- USD90553S - Design fob a game board :
en
- AT134511B - Process for the production of highly stressable, welded pressure vessels (boilers, pipes and the like, in particular also drums for steam boiler systems). :
de
en
- USD90527S - Design for a flash light :
en
- DE562282C - Process and device for the production of sodium sulfate by the Hargreaves process :
de
en
- US1923848A - Process of making absorbent materials and compounds mande therefrom :
en
- USD90542S - Design for a shoe :
en
- DE576761C - Muzzle lock for rifles :
de
en
- DE582860C - Sealing, filling and pressure reducing valve for steel bottles or other high-pressure containers, consisting of a check valve controlled by a spring-loaded membrane :
de
en
- US1923946A - Printing and slitting device :
en
- US1923838A - Cotton gin :
en
- CA335096A - Spare tire cover :
en
fr
- US1923624A - Control of alternating current motors and their supply circuits :
en
- US1923821A - Brassiere :
en
- DE582784C - Device for attaching the knife of tobacco cutting machines :
de
en
- US1923201A - Manufacture of links for chain cables :
en
- US1923662A - Telephone system :
en
- US1923354A - Selective circuits :
en
- US1924021A - Friction element :
en
- DE583001C - Arsenic-free sheet and hollow glass with good ultraviolet transmission :
de
en
- AT134535B - Shoulder bench for carrying loads. :
de
en
- US1923282A - Automatic telephone switch :
en
- CA335120A - Hydrocarbon oil processing :
en
fr
- DE582709C - Machine for punching cinema films with slow emulsion :
de
en
- GB397215A - Improvements in optical projection apparatus :
en
- DE582739C - Adjustable gear for subtraction counters and other tariff devices with a timer motor :
de
en
- US1923154A - Machine for use in the manufacture of shoes :
en
- US1923235A - Steering and other damping device for automobiles :
en
- US1923991A - Engine starter :
en
- US1924069A - Lock and latch :
en
- AU878132A - Improvements in or relating to high frequency electrical oscillation generators and amplifiers :
en
- US1923462A - Method and apparatus for lining brake shoes :
en
- US1923788A - Valve :
en
- US1923238A - Process of making purified extracts from drugs containing digitalis glycosides :
en
- US1923529A - Ash receiver :
en
- US1923893A - Wiring :
en
- US1923251A - Gas or steam turbine casing :
en
- US1923451A - Refrigerating apparatus :
en
- US1923825A - Molding for ground wires and the like :
en
- USD90528S - Design for a clasp :
en
- US1923119A - Apparatus for pouring steel ingots :
en
- US1923414A - Ball and socket connection :
en
- US1923638A - Ash tray :
en
- US1923698A - Shade safety device :
en
- US1923762A - Grinding machine :
en
- DE582851C - Combustion air preheater :
de
en
- US1923373A - Auto brake testing device :
en
- US1924026A - Institutional bed :
en
- AT134549B - Hydraulically driven vane or piston pump with fluid linkage. :
de
en
- AT134586B - Self-reducing range or altimeter with a measuring stick at the target. :
de
en
- CA335124A - Metal-rolling tool :
en
fr
- US1924019A - Ear corn crusher :
en
- CA335074A - Electric accumulator :
en
fr
- FR751045A - New product for emulsifying oils with water and resulting emulsions :
en
fr
- CA335081A - Silent gear :
en
fr
- US1923191A - Combined automatic refrigerator and milk box :
en
- US1923117A - Surgical bandage forming machine :
en
- US1923500A - Rotary internal combustion engine :
en
- US1923615A - Battery ignition device :
en
- US1923453A - Clutch :
en
- US1923590A - Bread toaster :
en
- US1923785A - Motor vehicle :
en
- US1923474A - Fruit pitting machine :
en
- FR750988A - Improvements in processes and devices used for the transport of bituminous materials and similar materials :
en
fr
- CA335111A - Gaseous discharge device :
en
fr
- FR750876A - Device for printing sound films :
en
fr
- GB397429A - Three way switches for portable or light railways :
en
- GB397859A - Improvements in or relating to electrically operated indicator systems :
en
- US1923391A - Harvester :
en
- GB397316A - Improvements in methods of packing medical dressings and similar materials :
en
- GB397521A - Improvements in or relating to devices for locking the wheels of vehicles :
en
- DE582886C - Fluid coupling or fluid change gear according to the Foettinger type :
de
en
- FR750976A - Automatic pressure adjustment device at the inlet of a supercharged engine :
en
fr
- GB397527A - Method of and apparatus for the production of yarns from two or more threads :
en
- GB397322A - Improvements in and connected with bearing housings or brackets :
en
- DE582935C - Device for cleaning vacuum cleaner bags :
de
en
- DE582733C - Device for displaying or monitoring the temperature of a part of an electrical system :
de
en
- DE582891C - Valve arrangement for door closer with escapement :
de
en
- GB397382A - Improvements in or relating to free-wheel devices for motor-vehicles :
en
- US1923884A - Method of making shaving brushes :
en
- US1923797A - Lubricator for percussive tools :
en
- FR42618E - Oxylite regenerator for protection devices against all asphyxiating gases :
en
fr
- GB397363A - A new or improved device for capsuling or sealing bottles and the like containers :
en
- CA335112A - Mineral oil refining process :
en
fr
- US1923913A - Apparatus for constructing levees and the like :
en
- US1924083A - Method of manufacturing belts :
en
- DE582792C - Electrolytic capacitor :
de
en
- GB397335A - Improvements in and relating to liquid-break electric switches :
en
- US1923215A - Method of joining leather, etc. :
en
- IE13065L - Fertilisers; globular nitrate of lime :
en
- GB397476A - Method of and apparatus for recording body currents and body sounds :
en
- US1923826A - Candle stick :
en
- US1923831A - Sound reproducing device :
en
- GB397472A - Improvements in or relating to the manufacture of aliphatic anhydrides :
en
- AT134592B - Method and device for achieving a specific reduction in cross section of metal bodies passing through a stretching device. :
de
en
- GB397873A - Improvements in or relating to electrical coupling plugs :
en
- FR750991A - Improvements to electro-mechanical stops or wire breakers for gimping trades :
en
fr
- GB397505A - Improvements in or relating to condensation reactions :
en
- FR750987A - Improvements to the excitation devices of piezoelectric capacitors generating elastic vibrations :
en
fr
- GB397451A - Improvements in devices for delaying the arming of fuse mechanisms of projectiles :
en
- DE582732C - Device for parallel connection of generators or networks :
de
en
- US1923172A - Evaporator :
en
- US1923867A - Kitchen appliance :
en
- US1923967A - Combined vise and chuck holding block :
en
- FR751094A - Additional device for optical observation instruments :
en
fr
- GB397190A - Manufacture of aminoanthraquinonesulphochlorides :
en
- FR751029A - Anti-interference method and system applicable in particular to radio electric devices :
en
fr
- FR751086A - Soldering iron :
en
fr
- US1923711A - Induction water heater :
en
- DE583031C - Device for making a mixture of cement and water :
de
en
- FR751044A - Landing method for airplanes in which curves of different field strengths are cut to obtain a determined landing curve :
en
fr
- FR751090A - Mode of attachment and maintenance of the two branches locking automatically :
en
fr
- GB397344A - Improvements in valves for controlling liquid flow :
en
- DE583017C - Transportable and collapsible container made of waterproof and flexible material, especially for bathing and swimming purposes :
de
en
- CA335020A - Slipper manufacture :
en
fr
- FR750894A - Two-station shift control :
en
fr
- GB397365A - Lithographic processes and materials :
en
- GB397194A - Improvements relating to printed waxed paper :
en
- DE582993C - Door control for double-leaf doors :
de
en
- DE582888C - Three-thread overlock sewing machine :
de
en
- FR750961A - Improvements to explosive cartridges :
en
fr
- DE582804C - Base for setting down and smoothing iron :
de
en
- FR42560E - Siphon for sanitary ware :
en
fr
- GB397281A - Improvements in and relating to apparatus for playing games :
en
- US1923346A - Screen :
en
- DE576442C - Filling and filling body for reaction rooms :
de
en
- DE582747C - Discharge bracket for wire winding machines, in which a spring acts on a brake disk connected to the supply roll with variable braking force corresponding to the diameter of the wire filling on the supply reel :
de
en
- CA335101A - Paper wadding :
en
fr
- FR750921A - Hand-operated mechanical mower :
en
fr
- US1923485A - Antihalation layer and halationproof photographic material :
en
- US1923629A - Wrench :
en
- US1923658A - Tool :
en
- US1924049A - Aeroplane :
en
- US1923808A - Crank-shaft lubrication :
en
- US1924084A - Cover for spare tires :
en
- USD90532S - Design for a cornice curtain pole :
en
- US1923637A - Machinery for packing cigarettes :
en
- GB397531A - Improvements in or relating to electric supply systems :
en
- USD90533S - Design for a hand bag :
en
- GB397459A - New or improved method of and apparatus for dressing the hair :
en
- FR751032A - Improvements to electric capacitors :
en
fr
- US1923750A - Pneumatic truck tire remover :
en
- IE12717L - Sliding clasp fasteners :
en
- US1923515A - Whirlpool cleaner :
en
- FR751008A - Rustic art subject :
en
fr
- DE582952C - Device for the optional extraction of unsorted and unwashed or sorted and washed goods by means of inclined gutter systems :
de
en
- US1923503A - Tank valve :
en
- US1923902A - Automatic switching mechanism :
en
- US1923186A - Brake system for automotive vehicles :
en
- US1923580A - Method and apparatus for washing clothes :
en
- US1923911A - Process of treating rubber and the improved age resisting rubber produced thereby :
en
- US1923103A - Radiant heat superheater :
en
- US1923461A - Windshield heater :
en
- DE582981C - Vulcanizing machine :
de
en
- FR750900A - Improvements in the manufacture of coils :
en
fr
- FR42579E - Control mechanism for motor vehicles :
en
fr
- FR751060A - Device for making hats and similar articles :
en
fr
- FR751058A - Improvements to mains powered <<push-pull>> amplifiers :
en
fr
- GB397446A - Improvements in furnace grates :
en
- US1923356A - Meter :
en
- US1924009A - Roof flashing :
en
- USD90520S - Design for a goblet :
en
- GB397208A - Improvements in electric incandescent lamp holders :
en
- DE582908C - Device for regulating the air supply to internal combustion engines :
de
en
- GB397424A - Improvements in windows and window-operating devices :
en
- US1923435A - Upper buffer mechanism for railway cars :
en
- US1923701A - Refrigerator door :
en
- US1923232A - Ball joint for gauge rods and steering rods on motor vehicles :
en
- US1924017A - Hydraulic transmission mechanism :
en
- USD90526S - Design for a decorative illuminat :
en
- GB397232A - Improvements relating to rear (or dickey) seating accommodation of two-seater (and other) motor cars :
en
- DE542464C - Seal :
de
en
- DE582884C - Self-closing flush valve with counter-pressure chamber and floating main valve, auxiliary valve on the ceiling of the counter-pressure chamber and rod-shaped stop for regulating the main valve lift :
de
en
- FR751055A - Hot water bottle for gas appliances :
en
fr
- GB397290A - Improved manufacture of sodium nitrate and ammonium chloride :
en
- GB397380A - Method of preventing or extinguishing fires in confined or semiconfined spaces :
en
- FR42632E - Machine for polishing marble and similar materials :
en
fr
- DE583027C - Parachute with one or more ventilation openings that absorb the shock and regulate the fall and sink rate :
de
en
- US1923194A - Automatic bucket tally :
en
- US1923250A - Ornamenting tool :
en
- US1923472A - Refrigerating apparatus :
en
- US1923650A - Inhaler :
en
- US1923072A - Sound reproducing device :
en
- DE523698C - Typewriter with needles that can be moved to form the letters :
de
en
- DE582970C - Device and circuit for measuring and monitoring the conductor temperature of power cables :
de
en
- FR751076A - Device for starting mobile or stationary motors :
en
fr
- DE583000C - ampoule :
de
en
- FR750902A - Instrument for reproducing photographic views taken from an airplane :
en
fr
- DE582863C - Rotary mixer for dissolving, mixing and emulsifying liquid, viscous or powdery masses :
de
en
- DE582940C - Buttonhole sewing machine :
de
en
- DE582720C - Process for the production of exchange masses for breathing cartridges :
de
en
- FR750901A - Cardboard box or similar material :
en
fr
- US1923467A - George c :
en
- US1923892A - Steering column bearing :
en
- US1923132A - Safety driving connection for drill strings :
en
- US1924036A - Electrical connecter :
en
- FR751043A - Electric calculating machine :
en
fr
- GB397423A - Photographic film pack :
en
- US1923975A - Wheel for vehicles and airplanes :
en
- US1923348A - Shaving and slicing mechanism :
en
- US1923755A - Container construction for cosmetics :
en
- US1923938A - Octyl alcohol esters :
en
- US1924024A - Illuminating device for hydrometers and the like :
en
- US1923521A - Electrical discharge tube :
en
- AT134541B - Fluid transmission. :
de
en
- US1923548A - Article handling system :
en
- US1923716A - Paper keg :
en
- US1923539A - Production of anticorrosive protective coatings on light metals :
en
- DE582656C - Clutch that can be engaged and disengaged with spring-loaded metallic shock absorber :
de
en
- FR751077A - Improvements made to the establishment of molded steering wheels for the steering of motor vehicles :
en
fr
- GB397392A - Improvements in or relating to fine edged blades and methods of making the same :
en
- GB397538A - Improvements in and relating to the preparation of aluminium or aluminium alloy anodes for electrolytic condensers and rectifiers :
en
- DE582505C - Process for the production of durable aqueous solutions of nitrogenous organic compounds :
de
en
- CA335094A - Telegraph exchange system :
en
fr
- US1923694A - Control system for rotary drilling :
en
- GB397323A - A process for decaffeinising coffee and detheinishing tea extracts :
en
- USRE18922E - troyk :
en
- US1923064A - Record-keeping device :
en
- US1923396A - Vending machine :
en
- US1923586A - Sewing machine :
en
- DE582711C - Friction gear with longitudinally displaceable friction wheel and with approximately perpendicular wheel axles for centrifugal machines or the like. :
de
en
- DE582998C - Device for regulating the discharge of dredged material in the drainage channels of a washing and separating system arranged on a dredger :
de
en
- US1923090A - Deep sea fishing :
en
- US1923795A - Drive mechanism for motor vehicles :
en
- US1923384A - Airplane fuel tank :
en
- US1923457A - Test weight case :
en
- US1923840A - Fish lure :
en
- FR750967A - Process for recording and reproducing vibrations and in particular sounds, and device for carrying out this process :
en
fr
- DE582994C - Target control device :
de
en
- CA335061A - Composite friction block :
en
fr
- CA335091A - Refrigerator :
en
fr
- US1923297A - Means for indicating the force with which alpha baseball strikes alpha target :
en
- DE582643C - Completely made of metal spring tension roller for electric pendant lights :
de
en
- US1923325A - Airplane propeller :
en
- US1923895A - Centrifugal machine :
en
- US1923709A - System of electrical distribution :
en
- DK47674C - Device for Volume Control for Radio Receivers and High Frequency Amplifiers. :
da
en
- FR42625E - Electric traction line anti-sway fastener :
en
fr
- US1923392A - Olefin-polysulphide plastic :
en
- US1923983A - Bull board for railway stock cars :
en
- US1923296A - Method of and machine for testing materials :
en
- US1923424A - Fireplace guard screen :
en
- US1923471A - Manufacture of steel :
en
- US1923778A - Pipe cutting machine :
en
- US1923960A - Oscillator mounting :
en
- US1923866A - Sulphur bearing ore furnace :
en
- GB397265A - Improvements relating to taps or cocks :
en
- DE534766C - Process for the production of radioactive, sugary food and luxury goods :
de
en
- DE556897C - Cleaning device for smooth surfaces :
de
en
- DE582787C - Roller winder :
de
en
- FR42607E - Improvements in the treatment of cellulose derivatives :
en
fr
- GB397299A - Improvements in electrical prepayment meters :
en
- DE582966C - Process for the production of azo dyes on the fiber :
de
en
- DE582700C - Button with wire hanger and counter button :
de
en
- DE582754C - Process for the production of medicines and vaccines :
de
en
- DE582905C - Reversible seat for day beds :
de
en
- DE582750C - Vacuum-tight and mercury-resistant electrode insertion in mercury-vapor glass rectifiers :
de
en
- US1923094A - Process and products pertaining to treatment of metallic oxy-compounds :
en
- US1923161A - Process of and apparatus for the treatment of materials such as coal, lignite, asphalt, etc. :
en
- US1923568A - Clutch device :
en
- US1924078A - Apparatus for handling fresh fruits :
en
- FR42597E - Device preventing and avoiding the theft of objects placed in the pockets of a garment :
en
fr
- GB397183A - Apparatus for the animated display of objects :
en
- US1923654A - Spraying mechanism :
en
- US1923738A - Method of and machine for straightening or leveling strip metal :
en
- US1923121A - Box folding machine :
en
- GB397427A - Improvements in or relating to magnesium base alloys :
en
- GB397460A - Improved process of refining hydrocarbons :
en
- US1923479A - Pulp screening apparatus :
en
- US1923364A - Auto oiling device :
en
- US1923227A - Dyestuffs of the anthraquinone series :
en
- US1923402A - Warp feeding mechanism for wire weaving machines :
en
- US1923607A - Footrall game :
en
- US1923917A - Process and mechanism for separating intermixed divided materials :
en
- US1923614A - Burner control system :
en
- US1923982A - Card and ticket holder :
en
- FR750928A - Machine parts and tools in special alloys :
en
fr
- AU867132A - An improved salve-like or pasty coating material for protecting articles against corrosion and like purposes :
en
- DE566818C - Device for demonstrating advertising on a universal light and color flap structure :
de
en
- DE582690C - Process for the preparation of asymmetric indigoid dyes :
de
en
- AU869832A - Improvements in and connected with harvesting machines :
en
- US1923910A - Printing press :
en
- USD90552S - Design fob a combined cigarette :
en
- US1923320A - Generator hook-up :
en
- US1923547A - Apparatus for cooling passenger cars :
en
- US1923571A - Conversion of hydrocarbons of high boiling point into those of low boiling point :
en
- US1923290A - Airplane control :
en
- US1923920A - Course shift-indicator for the double-modulation type radiobeacons :
en
- DE582715C - Process for the preparation of 4-butylaminobenzoic acid ª ‰ -dimethylaminoaethyl ester :
de
en
- AT134578B - Electrical resistance element. :
de
en
- AT134553B - Slide control for internal combustion engines. :
de
en
- US1923368A - Shaft coupling with power storage :
en
- US1923532A - Throttle valve operating mechanism :
en
- US1924085A - Cover for spare tires of automobiles :
en
- CA335015A - Golf tee :
en
fr
- US1923593A - Drawing frame draft roll spring tension adjustment :
en
- GB397236A - Improvements in laundering machines :
en
- US1923188A - Means for intermittently delivering jam, custard or other material in predetermined quantities :
en
- US1923815A - Furnace :
en
- AT134588B - Deck chair. :
de
en
- US1923357A - Manifold attachment for internal combustion engines :
en
- US1923976A - Portable direction finder :
en
- CA335118A - Furnace tube shield :
en
fr
- US1924075A - Covering device for planters :
en
- AU866832A - Improvements in or relating to means for regulating the output of prime movers of electric generating plant :
en
- DE582846C - Process for the production of condensation products from phenols and natural resins :
de
en
- DE582904C - pillow :
de
en
- AT134509B - Shock generator. :
de
en
- AU877232A - Bowl classifiers :
en
- US1923411A - Lock device :
en
- US1923454A - Method and apparatus for centrifugal separation :
en
- US1923741A - Lighting apparatus for moving picture stages :
en
- CA335097A - Refrigerator unit :
en
fr
- AT134573B - Device for regulating the volume for electrical speech apparatus. :
de
en
- AT134596B - Seating furniture made of resilient material. :
de
en
- US1923652A - Recovery of molybdenum :
en
- US1923664A - Tobacco lathe holder :
en
- US1923824A - Tie form :
en
- AT134505B - Device for the production of zinc white. :
de
en
- US1923298A - Glove :
en
- US1923144A - Illuminated ornamental device for decorative purposes :
en
- US1923450A - Push button switch construction :
en
- US1923331A - Calorimeter and fluid regulating device :
en
- US1923644A - Electric heating furnace :
en
- US1923846A - Blood transfusion apparatus :
en
- GB397337A - Improvements in foam producing apparatus :
en
- GB397486A - Screw propellers :
en
- GB397339A - An improvement in connection with the firing of ceramic ware :
en
- US1924045A - Packing machinery :
en
- FR750855A - Board game :
en
fr
- FR751017A - Notebook, specially intended for the use of travelers :
en
fr
- GB397526A - Improvements relating to concrete and like piles :
en
- DE582849C - End connection for high-pressure heat exchangers, in particular reheaters, with pipes plugging into one another :
de
en
- GB397315A - Improvements in or relating to transparent signs and the like :
en
- GB397539A - Improvements in or relating to electric cable systems :
en
- GB397384A - Improvements in friction clutches :
en
- GB397844A - Process for the reduction of alkaline earth metals and the production of alloys of aluminium :
en
- FR42566E - Improvements to the control of the driving axles of cars on railways :
en
fr
- GB397249A - Improvements relating to the production of organic salts of bismuth :
en
- IE13049L - Submarine telephone cables :
en
- US1923171A - Evaporator :
en
- US1923345A - Telegraphic keying system for electron tube circuits :
en
- CA335070A - Battery terminal post :
en
fr
- US1923964A - Tool :
en
- AT134546B - Flexible metal hose and method for its manufacture. :
de
en
- AT134555B - Two-stroke machine with one-sided reverse flush. :
de
en
- US1923922A - Process of gluing :
en
- US1923841A - Safety brake-beam support for car trucks :
en
- US1923865A - Temperature control of chemical reactions :
en
- DE582951C - Automatically opening and closing trash can with hinged lid and foot actuation for opening the lid :
de
en
- CA335006A - Fountain brush :
en
fr
- DE582719C - Process for the production of oxygen preparations suitable for use in breathing apparatus from alkali peroxide hydrate :
de
en
- CA335014A - Packing for razor blades :
en
fr
- US1923264A - Means for separating adhering rolled metal sheets :
en
- US1923648A - Container for ink :
en
- US1923336A - Closure cap :
en
- US1923482A - Bathroom fixture :
en
- US1923497A - Purifying of natural heavy spar :
en
- CA335151A - Rubber vulcanization accelerator :
en
fr
- US1923434A - Cushioning and centering device for railway car couplers :
en
- US1923912A - Expansion chamber :
en
- DE582830C - Machine for cutting soft caramel candies :
de
en
- US1923849A - Propellent powder and process of manufacture :
en
- US1923106A - Apparatus for production of nonwarping fiber board :
en
- DE553165C - Fluid transmission :
de
en
- FR42557E - New method of packing compresses or the like :
en
fr
- US1923625A - Typewriting and multiple-copying process :
en
- AT134562B - Device for pulling coupling sleeves for pipelines. :
de
en
- DE582810C - Typewriter or similar machine :
de
en
- DE582834C - Joint compensating gears, in particular for motor vehicles :
de
en
- FR750887A - Improvements made to reflectors for cinema projector lamps :
en
fr
- GB397447A - Improvements in closures of vacuum-jacketed flasks :
en
- US1923439A - Razor :
en
- US1923488A - Well bit :
en
- US1923491A - Process for the preparation of new crystallized glucosides from digitalis :
en
- US1923937A - Blank cutting machine :
en
- US1923158A - Plaiting machine :
en
- US1923407A - Process of recovering glaserite :
en
- US1924048A - Manifolding device for typewriters :
en
- US1923258A - Centrifuge :
en
- US1923645A - Concrete slab structure :
en
- US1923974A - Dispensing device :
en
- US1923142A - Device for drying motion picture film :
en
- US1923219A - Duplicator :
en
- US1923908A - Engine starter :
en
- AT134561B - Process for the preparation of 6-monoalkyl- or -aralkylamino-2-methylheptene- (2). :
de
en
- DE582695C - Electromagnetic reel brake for textile machines, especially for spinning machines :
de
en
- FR42555E - Method for doubling the number of telegraphic or telephone communications, with or without wire, and devices carrying it out :
en
fr
- US1923582A - Power transmitting mechanism :
en
- US1923423A - Machine for cutting screw threads :
en
- US1923686A - Electron discharge device :
en
- US1923257A - Ice-cream dipper :
en
- US1923643A - Wood wool covering :
en
- GB397450A - Improvements in and relating to adjustable propellers :
en
- DE582963C - Tap lock for self-loading pistols :
de
en
- US1923525A - Berry box :
en
- US1923874A - Electric heater :
en
- DE582820C - Fruit washer for table use :
de
en
- DE582927C - Device for spraying the printed sheet with liquid paraffin or the like. :
de
en
- DE582689C - Process for the preparation of o-oxynitroso dyes and their metallic lacquers :
de
en
- DE582706C - Device for cleaning the rollers of roller frames :
de
en
- FR42612E - Flexible contact switch :
en
fr
- DE583015C - Onion cutter :
de
en
- GB397338A - Improvements in and relating to an electrically driven roller :
en
- AU1012732A - Methods for disposal of municipal refuse and furnace therefor :
en
- US1923328A - Antifriction coupling for drill stems :
en
- US1923395A - Apparatus for maintaining vacuum in oil wells or the like :
en
- DE582870C - Automatic firearm :
de
en
- DE582775C - Fountain pen :
de
en
- FR42567E - Device or telescope allowing the vision in relief of stereoscopic couples projected on a screen :
en
fr
- DE582961C - Can be dismantled and adjusted for sheds, barns, halls etc. like :
de
en
- US1923168A - Method of making woven fabrics :
en
- US1923418A - Hydraulic lift :
en
- AT134542B - Internal combustion engine with a disc-shaped combustion chamber. :
de
en
- AT134580B - Double cage armature motor. :
de
en
- DE582899C - Process for the production of azo dyes :
de
en
- US1923936A - Gummed tape moistener :
en
- US1923744A - Internal combustion engine :
en
- US1923779A - Can puncturing and sealing device :
en
- DE583022C - Thermal protection for bearings :
de
en
- DE582924C - Manufacture of soda and potassium sodium nitrate :
de
en
- FR42611E - Method and device for delivering and gauging liquids, in particular fuel fuels and lubricating oils :
en
fr
- GB397317A - Process for producing a permanent suspension of oil in waters :
en
- GB397321A - Improvements in or relating to spur wheel variable speed gears :
en
- GB397506A - Improvements in the manufacture of rubberised and like textile articles :
en
- US1923120A - Safety support for brake beams :
en
- US1923610A - Process for oxidizing gasseous hydrocarbons :
en
- US1923775A - Valve stem construction :
en
- US1923903A - Latching mechanism :
en
- FR750981A - Mechanism for varying the angular speed of two shafts :
en
fr
- US1923226A - Process for the purification of blue vat dyestuffs :
en
- US1923814A - Nitriding :
en
- US1924006A - Shopping bag :
en
- US1923385A - Springless clutch synchronizer :
en
- US1923984A - K k lieberknecht :
en
- US1924054A - Elevating grader :
en
- CA335051A - Rotary printing machine :
en
fr
- AU877832A - Improvements in collapsible storm curtains :
en
- US1923810A - Expansion valve :
en
- US1923504A - Pipe joint :
en
- US1923555A - Lamp shade :
en
- US1923603A - Elevator :
en
- US1923183A - Filament spinning apparatus :
en
- US1923204A - Indexing device :
en
- US1923481A - Meter box cover :
en
- US1923190A - Antiskid device for automobiles :
en
- FR42610E - Process for the production of prussic acid and its salts :
en
fr
- GB397241A - A freely swinging shaking mechanism for sifting and conveying apparatus and the like :
en
- FR42602E - Press tool for making tobacco rolls for cigar interior fittings :
en
fr
- FR751038A - Pre-paid liquid dispenser system :
en
fr
- GB397469A - Improvements in or relating to stuffing boxes :
en
- US1923791A - Freight car door :
en
- US1923828A - Method of deenameling :
en
- CA335077A - Burner igniter :
en
fr
- AT134520B - Cash register with amount signal box and several counters for different types of taxes, types of goods, seller or the like. :
de
en
- US1923388A - Nut lock for vehicle wheels :
en
- US1924070A - Ophthalmic pad and method of manufacturing same :
en
- FR750897A - Hair dryer enhancements :
en
fr
- US1923063A - Receptacle cover and mounting structure :
en
- US1923187A - Power actuator :
en
- US1923599A - Separator :
en
- US1923323A - Repeater circuit breaker :
en
- US1923536A - Shuttle :
en
- US1923301A - Awning structure :
en
- US1924005A - Washing machine :
en
- US1923765A - Automobile heater :
en
- CA335065A - Steel material testing method and apparatus :
en
fr
- AT134564B - Ignition adjustment device operated by hand, in particular by a Bowden cable. :
de
en
- DE582945C - Process for coloring graphite and carbon coatings on paper :
de
en
- FR750993A - Rifle and hand grenade :
en
fr
- FR42598E - Automatic weight removal device on the scales of the wire wrapper :
en
fr
- DE582761C - Drive device for tape-shaped phonetic carriers, especially sound films :
de
en
- DE582922C - Device for separating connected tobacco leaves :
de
en
- GB397838A - Improved production of improvement effects on silk :
en
- AU876632A - Improved beer engine :
en
- CA335150A - Sponge iron manufacture :
en
fr
- AT134532B - Shop window furnishings. :
de
en
- AU824832A - Improvements in seed distributors :
en
- AT134539B - Pencil. :
de
en
- DE582821C - Collapsible travel table :
de
en
- GB397184A - Improvements in or relating to spring overlay mattresses and like supportin surfaces :
en
- US1923723A - Method of manufacturing insoluble sulphur :
en
- FR750952A - Improvement of weaving machines to obtain new effects :
en
fr
- AT134557B - Self-exciting electromagnetic induction gear for changing loads. :
de
en
- DE582811C - Carrying device for lifting and backing tracks :
de
en
- AT134575B - Protection circuit with impedance relay for transformers and busbars. :
de
en
- US1923074A - Self opening die head :
en
- US1923985A - Knocking over device for flat hosiery frames :
en
- US1923113A - Aeroplane map device :
en
- US1923854A - Slicing machine :
en
- US1923923A - Hydraulic stroke regulator for pumps :
en
- FR751006A - Device for handles or fasteners taken in the mass for cases and cases of wristwatches :
en
fr
- FR751053A - Method for the remote measurement of the quotient of two quantities by the pulse method :
en
fr
- CA335017A - Fish lure :
en
fr
- US1923070A - Safety glass :
en
- US1923707A - Antioxidant :
en
- US1923489A - Synthesis of urea :
en
- CA335012A - Seat bottom :
en
fr
- GB397422A - Improved sink basket or strainer :
en
- GB397346A - Improvements in and relating to safety razors :
en
- AT134517B - Rectifier system which contains a gas-filled hot cathode rectifier with one or more anodes. :
de
en
- US1923131A - Camp stove :
en
- US1923390A - Lapping machine :
en
- US1923546A - Fuel vaporizer and method of making same :
en
- GB397219A - A new or improved packing material for use in making pipe and other joints and method of making same :
en
- GB397439A - Improvements in fluid pressure regulators :
en
- GB397499A - Improvements in or relating to electric motor control systems :
en
- GB397436A - Hair cutting, combing and shaving device :
en
- US1923436A - Foldable grease gun :
en
- DE582822C - Gas heater :
de
en
- GB397226A - Improvements connected with the pile cutting mechanism of looms for weaving royal axminster or moquette carpets and other tufted pile fabrics :
en
- US1923776A - Pressure gauge :
en
- US1923093A - Waterless gas-holder :
en
- GB397332A - Improvements in or relating to sewing machines :
en
- GB397182A - Improvements in or relating to slub-catchers and cleaning devices for yarn or the like :
en
- GB397206A - Improvements in sterilizing tanks :
en
- GB397461A - Improvements in device for ventilating electric machines :
en
- CA335013A - Bottle cap :
en
fr
- FR751062A - Driving agent composed of air and flue gases at high pressure and high temperature, replacing steam in prime movers :
en
fr
- US1923534A - Device for clarifying and purifying liquids :
en
- GB397191A - Improvements in or relating to the manufacture of products containing cellulose derivatives :
en
- FR751009A - Advanced automatic pistol :
en
fr
- GB397837A - Improvements in machines for and methods of spraying plants :
en
- GB397516A - A process for the production of therapeutic preparations :
en
- US1923427A - Process of preparing whey concentrate :
en
- US1923886A - Discharge door for furnaces :
en
- FR42640E - Improvements in processes and machines for soldering the ends of conductors to the bases of incandescent electric lamps and the like :
en
fr
- GB397240A - Improvements in signs, advertisements, or the like :
en
- GB397525A - Improvements in easy-chairs, settees and the like convertible into beds :
en
- GB397456A - Improvements in or relating to a device for instantaneously effecting a connection in automatic telephone installations :
en
- GB397204A - Improvements in or relating to the manufacture of hollow metal columns, beams, poles, masts, jibs or the like :
en
- FR750995A - A method of transmitting electrical energy at a distance :
en
fr
- FR751070A - Improvements in manufacturing processes for yarns covered with fibrous coatings :
en
fr
- GB397523A - Improvements in fluid pressure braking arrangements for motors vehicles employing fluid taken from a combustion chamber of the motor :
en
- FR750898A - Thermionic cathodes, oxide coated :
en
fr
- GB397239A - Improvements in automatic devices for operating valves, dampers and such like :
en
- FR42586E - Armchair or sofa bed :
en
fr
- GB397198A - Improvements in or relating to insulated and refrigerating vans or other vehicle bodies, and containers or the like :
en
- CA335099A - Telephone system :
en
fr
- DE582909C - Straight-way valve :
de
en
- DE582980C - Frame construction from standardized components :
de
en
- FR750891A - Process for manufacturing a run-on knit, devices allowing the production and resulting products :
en
fr
- GB397463A - Method for the manufacture of boron :
en
- FR42620E - Process for concentrating liquids containing aromas, in particular fruit juices :
en
fr
- DE583004C - Device for checking the actuating current contacts on turnout and signal drives :
de
en
- FR750878A - Device for inserting rubber threads into circular two-cylinder knitting machines for the manufacture of socks, sports stockings, gaiters and the like :
en
fr
- FR750916A - Lid for kitchen stove :
en
fr
- GB397341A - Improvements in and relating to means for rendering dressed yarns more pliable in warp-treating machines :
en
- US1923195A - Heat insulating structure :
en
- US1923997A - Photographic apparatus :
en
- GB397228A - Improvements in or relating to means for opening and closing sash windows :
en
- GB397230A - Improvements in or relating to telephone sets :
en
- GB397530A - Improvements in and relating to door locks of the cylinder type :
en
- GB397507A - Improved means for maintaining a supply of lubricating oil to internal combustion and other engines :
en
- DE582939C - Rotating drum mill :
de
en
- USD90560S - Design for a wooden desk :
en
- US1923278A - Process and apparatus for treating hydrocarbons :
en
- US1923294A - Ventilator for vehicle bodies :
en
- GB397342A - Safety coupling for rolling mill drive :
en
- CA335055A - Check strap assembly :
en
fr
- CA335060A - Thermionic valve circuit :
en
fr
- GB397444A - Improved apparatus for drawing glass tubes and the like containing a stripe of contrasting glass :
en
- US1923210A - Process for producing highly storageproof bleaching powder :
en
- US1923577A - Collar stay :
en
- US1923772A - Conveyer for furnaces :
en
- US1923806A - Peeling machine :
en
- DE579768C - Device to facilitate sitting in bed :
de
en
- FR750944A - Drive belt :
en
fr
- DE582650C - Chimney top :
de
en
- FR750896A - Method and device for the protection against the erasure of registration numbers of various machines and apparatus :
en
fr
- FR750909A - Improvements to viscose pumps :
en
fr
- US1923541A - Gas generating apparatus :
en
- US1923823A - Matrix stick :
en
- US1923858A - Guy wire guard :
en
- GB397416A - Improvements in and relating to receptacles :
en
- US1923097A - Radiant heat superheater :
en
- US1923148A - Method and means of fabricating tubing of vitreous material :
en
- DK47665C - Method of Making Sound Plates with Metallic Core. :
da
en
- DE582415C - Registration machine controlled by punch cards for the control of business transactions :
de
en
- FR42564E - Carburetor jet :
en
fr
- US1923104A - Pick-up :
en
- US1923444A - Snowplow :
en
- US1923850A - Trap nest for hens :
en
- CA335019A - File tray :
en
fr
- GB397207A - Improved battery terminal :
en
- GB397869A - Improvements in apparatus for washing gases or vapours :
en
- DE570002C - Device for stacking work pieces made of paper :
de
en
- DE582850C - Office printing machine for printing on sheets with a fixed text and with changing texts or addresses :
de
en
- CA335079A - Lacquer, film, coating material, adhesive, etc. :
en
fr
- GB397282A - Improvements in collapsible and other boxes, cartons and like containers :
en
- CA335026A - Sash or door holder :
en
fr
- FR750853A - Freewheel hub and brake, including an auxiliary brake :
en
fr
- GB397298A - Improvements in or relating to devices for gauging the spacing of the work supports or guides in inclined roller type machines for the straightening and true rounding ofbars :
en
- GB397368A - Improvements relating to draught and rain-water excluders for doors :
en
- IE12573L - Pulverulent hydraulic binding media :
en
- DE582819C - Tee comb for flat weft knitting machines :
de
en
- DE582969C - Braking device for vehicles, especially for the armature or countershaft of electric rail motors :
de
en
- GB397886A - Improvements in or relating to pneumatic paint and like sprayers :
en
- US1923621A - Cushioned relief and check valve :
en
- USRE18920E - Macfflne fob shaping the backs of :
en
- US1923340A - Transparent, adjustable shampoo mask :
en
- US1923876A - Means and method of producing an X-ray focus varying with the x-ray tube load :
en
- DE582844C - Process for the preparation of p-aminodiaryls :
de
en
- DE582903C - Wall hook :
de
en
- GB397304A - Improvements in or relating to vehicle lifting or jacking devices :
en
- US1923972A - Dental appliance :
en
- FR751022A - Method and apparatus for ventilation and aeration of embroidery buckling chambers :
en
fr
- FR42650E - Tamper-proof ticket with notches or slits :
en
fr
- CA335041A - Embroidery kit :
en
fr
- US1924001A - Spectacle temple fastening device :
en
- US1923160A - Fire extinguishing system :
en
- DE582879C - Overhung roller table roller with individual electric drive :
de
en
- GB397193A - Improvements in machines for decorticating and cleaning fibres :
en
- GB397243A - Improvements in and relating to moulded composite sheets :
en
- GB397260A - An improved resilient sports net :
en
- GB397357A - Improvements in condensers for cooling refrigerants :
en
- IE12502L - Fuel pump. :
en
- FR750892A - Elastic wheel device for rail vehicles :
en
fr
- GB397347A - Improvements in captive balloons :
en
- GB397514A - Improvements in and relating to photographic sound records and systems for recording sounds on a light sensitive film :
en
- FR750955A - New decoration process making objects glow in the dark :
en
fr
- FR751005A - Improvements to signaling systems and more particularly to trunked telephone systems :
en
fr
- GB397474A - Improvements in or relating to step-ladders :
en
- GB397520A - Improvements in or relating to temperature indicators :
en
- FR750911A - Refrigerated cabinet :
en
fr
- AT134513B - Electron tubes and processes for their manufacture. :
de
en
- GB397287A - A new or improved receptacle for containing or burning refuse :
en
- GB397840A - Improvements relating to the combustion spaces of direct injection oil engines :
en
- FR42581E - Improvements in transmission and reception of images :
en
fr
- FR750866A - Improvements to pillows or cushions :
en
fr
- FR750890A - Device for the formation of drainage channels :
en
fr
- GB397343A - Improvements in or relating to the formation of ribbed tubing of aluminium or other ductile metal :
en
- GB397227A - Improvements in or relating to sheet delivery mechanism for printing machines :
en
- DE582772C - Swivel device for vehicle headlights :
de
en
- GB397295A - Improvements in and relating to catalysts :
en
- FR750977A - Method and device for obtaining magnesium-metal :
en
fr
- FR750963A - Coupling device effected by means of spiral steps :
en
fr
- GB397275A - Improvements relating to the cooling of heat-delivering elements of refrigerating systems or like elements :
en
- DE582867C - Removable curling device for sewing machines :
de
en
- DE582688C - Process for the preparation of o-oxyazo dyes :
de
en
- DE582955C - Radially loaded turbine :
de
en
- FR750984A - Removable false base for electric lamps :
en
fr
- US1923222A - Means for the elimination of ripples in cascade coupled thermionic valves :
en
- US1923415A - Machine for plucking and stubbing birds :
en
- US1924025A - Stupefying gas distributor :
en
- GB397274A - Improvements in or relating to rivetting and light metal working presses :
en
- DE583032C - Arrangement for the transmission of characters to the intercom of an absent subscriber in self-connecting telephone systems :
de
en
- FR751020A - Process for folding uninterrupted arriving sheets of paper :
en
fr
- FR750895A - Protection device for perishables :
en
fr
- FR751069A - Arrangement of several exhaust gas turbochargers in multi-cylinder internal combustion engines :
en
fr
- DE582755C - Process for the manufacture of a lead-removing detergent :
de
en
- FR751000A - New pulp manufacturing process :
en
fr
- US1923143A - Manufacture of sugar :
en
- US1923583A - Production of liquid unsaturated hydrocarbons of high molecular weight :
en
- US1923845A - Photo-electric device :
en
- US1923173A - Automotive brake :
en
- US1923180A - Carburetor for internal combustion engines :
en
- GB397186A - Apparatus for changing treasury and like notes :
en
- GB397310A - Improvements in tooth brushes :
en
- DE582936C - Method for producing a plastic mass :
de
en
- US1923447A - Conveyer mechanism :
en
- US1923426A - Container structure :
en
- US1923587A - Confection and method of making the same :
en
- USD90558S - Design for a perfume bottle :
en
- US1924018A - Mold treating apparatus :
en
- US1923751A - Automatic cut-off machine :
en
- DE583020C - Pest repellants :
de
en
- FR751024A - :
fr
- GB397390A - Improvements in or relating to the manufacture of artificial sausage casings :
en
- FR750998A - Yeast manufacturing process :
en
fr
- FR751018A - Anti-theft device for automobiles and similar vehicles :
en
fr
- GB397300A - Improvements in or relating to electrolysers for the manufacture of chlorine and alkaline hydrates :
en
- AT134510B - Device for displaying the transition from one state to another by means of two contact devices. :
de
en
- FR42619E - Improvements to internal combustion engines :
en
fr
- USD90530S - Design for a textile fabric :
en
- US1923140A - Production of acetylene and carbon black :
en
- US1923954A - Feeding means for weaving machines :
en
- US1923233A - Window sash operating device :
en
- US1923760A - Grinding machine :
en
- DE582714C - Electric drive for jiggers :
de
en
- DE582992C - Device for pivoting the rear axle for bicycles carrying one set of a sprocket change gear :
de
en
- DK47662C - Sound amplifier. :
da
en
- GB397340A - Improvements in or relating to refrigerators :
en
- FR750925A - Food preservation process :
en
fr
- AU464131A - Improvements in and relating to machines forthe recovery of gold or other minerals :
en
- CA335125A - Sound translating device :
en
fr
- DE582721C - Method for drying tapes :
de
en
- DE582794C - Process for the production of aqueous dispersions :
de
en
- US1923135A - Method of cleaning and cooling gas scrubbing water and apparatus therefor :
en
- US1923267A - Spool :
en
- US1923968A - Control device :
en
- USD90541S - Design fob a shoe :
en
- FR750913A - Calendar timepiece :
en
fr
- GB397256A - Improvements in and relating to motor goggles :
en
- GB397497A - Improvements in or relating to aircraft wheel brakes :
en
- FR42587E - Signaling system for sheets and new industrial product resulting from its application :
en
fr
- GB397448A - Improvements in or relating to beaters for food stuffs and the like :
en
- US1923262A - Fastening device :
en
- US1923754A - Excitation control system :
en
- DE582797C - Internal combustion engine with charge compressor and a friction clutch between the motor and compressor shaft :
de
en
- DE582911C - Drying felt for cardboard and paper machines :
de
en
- CA335018A - Eyelash brush device :
en
fr
- US1923862A - Hair waving heater :
en
- AT134544B - Multi-cylinder diesel or semi-diesel engine. :
de
en
- US1923124A - Flexible connection :
en
- US1924046A - Vehicle brake :
en
- US1923150A - Art of refining hydrocarbons :
en
- US1923175A - Electric power mechanism for operating awnings :
en
- US1923254A - Direct coupled amplifier :
en
- US1923879A - Transmission :
en
- AT134548B - Fuel pump with constant pump stroke, especially for injection diesel engines. :
de
en
- CA335141A - Foot arch support :
en
fr
- CA335069A - Adhesive composition :
en
fr
- CA335038A - Fresh flower door badge :
en
fr
- CA335076A - Steel ingot casting method :
en
fr
- US1923133A - Card index system :
en
- US1923540A - Gas making process :
en
- US1924086A - Tire cover with contractible clamping bands :
en
- US1923268A - Pump :
en
- US1923322A - Method for forming composite cords and braids :
en
- US1923574A - Automatic shut-off for filling spouts :
en
- US1923618A - Preparation of amino derivatives of the anthraquinone series :
en
- US1923764A - Photographic gelatin relief :
en
- DE569828C - Ski binding :
de
en
- US1923811A - Wheel for motor vehicles :
en
- AU1000432A - A method and tool for closing and sealing an opening ina metal container :
en
- US1923438A - Friction clutch :
en
- US1923809A - Device for keeping an infant under crib covers :
en
- US1923807A - Illuminating device and method of manufacturing same :
en
- US1923631A - Manufacture of shoe stiffeners :
en
- USD90536S - Design fob a shoe :
en
- USRE18919E - Roofing :
en
- US1923208A - Pantographic scanning :
en
- USD90534S - Combined s licer and shredder :
en
- DE582728C - Process for the preparation of resinous condensation products from phenols :
de
en
- DE582854C - Suspended ceilings for fireplaces :
de
en
- DE582926C - Device for cleaning steam, in particular for removing gasified oil from exhaust steam :
de
en
- DE582979C - Dismountable metal house made of individual profiled sheet metal strips forming the walls :
de
en
- US1923211A - Bearing :
en
- US1923431A - Mold for fiber pulp and the like :
en
- FR42583E - Typewriter :
en
fr
- AU995032A - Improvements in elevator guide :
en
- CA335010A - Internal combustion engine :
en
fr
- AT134576B - Electricity generating installation, in particular for vehicles. :
de
en
- US1923108A - Means for heating photographic films or plates :
en
- CA335146A - Sanitary napkin :
en
fr
- CA335040A - Sulphur volatilizing apparatus :
en
fr
- FR750956A - Electric vibrator :
en
fr
- GB397250A - Improvements in machines for rolling circular metal blanks or discs :
en
- US1923352A - Telephone system :
en
- DE582778C - Device for limiting a number of revolutions :
de
en
- US1923116A - Slug-form binding :
en
- US1923265A - Circular chaser die head :
en
- US1923335A - Thermionic vapor discharge device :
en
- US1923353A - Core oven :
en
- US1923389A - Method of hot rolling radially tapered disks :
en
- US1923600A - Gas producing apparatus :
en
- US1923767A - Lubricator :
en
- FR42630E - Dumpster for household services :
en
fr
- FR750927A - removable elements and their assembly system :
en
fr
- FR750946A - Further training in washing machines :
en
fr
- DE582815C - Method for generating electric spark light :
de
en
- US1923520A - Picture assembling apparatus for television receivers :
en
- US1923852A - Slicing machine :
en
- US1924059A - Preparation of coffee :
en
- CA335011A - High pressure container :
en
fr
- AT134506B - Arrangement for receiving high-frequency waves less than 10 m in length. :
de
en
- USD90524S - Design for a merchant s trading :
en
- US1923885A - Gyroscopic compass :
en
- US1923408A - Lubricating apparatus :
en
- DE582965C - Process for the purification of wastewater through gradual biological treatment :
de
en
- US1923581A - Leer :
en
- US1924052A - Soluble fatty acid condensation products :
en
- US1923393A - Gas burner :
en
- US1923425A - Adjustable nozzle :
en
- US1923719A - Stropping material :
en
- US1923725A - Display in aircraft :
en
- US1923699A - Bead building machine :
en
- US1923860A - Slicing machine :
en
- US1923550A - Method and means for protecting hats from perspiration :
en
- US1923817A - Atmospheric pressure operated locking mechanism :
en
- DE582738C - Voltage drive system for induction counters composed of several parts :
de
en
- GB397177A - Improvements in automatic and semi-automatic telephone plants :
en
- US1923512A - Ornamental sheet fabric and method of producing same :
en
- FR750982A - Curtain rod and its manufacturing process :
en
fr
- US1923639A - Liquid heating apparatus :
en
- US1924034A - Process for the continuous conversion of ferruginous materials into spongy metallic agglomerates :
en
- USD90539S - Design for a shoe :
en
- FR42645E - Process for obtaining photographs or cinematographic films in two or more colors :
en
fr
- DE582893C - Process for the manufacture of refractory products from magnesium silicates :
de
en
- US1923528A - Combustion apparatus :
en
- AU991532A - Improvements relating tothe control of direct current for motors :
en
- DE582693C - Knocking machine with drive plates that are only rotated as required and lockable in the rest position :
de
en
- FR750941A - Automatic and continuous molding machine :
en
fr
- US1923349A - Vacuum breaker :
en
- US1923542A - Upsilon-shaped belt :
en
- US1923560A - Hinged container :
en
- DE583002C - Drive for rotating tubular or drum-like shredding devices generally usable for commercial purposes with a large overall length of the tube or drum body :
de
en
- FR42589E - Process for the production of acidic and soluble ethersalts of sulfuric acid from leucon compounds of tank dyes :
en
fr
- DE582895C - Machine for the production of workpieces from cardboard, in particular letter folder cover o. :
de
en
- DE582872C - Snap tennis game play area layout :
de
en
- GB397234A - Improvements in or relating to electric fusible cutouts :
en
- CA335093A - Separable fastener manufacture :
en
fr
- USRE18925E - Manufacture of housings and the :
en
- FR751088A - Process for recovering volatile solvents contained in animal skins :
en
fr
- FR750872A - Lighter with auxiliary ignition device for pipes or others :
en
fr
- GB397412A - Improvement in method of eliminating iron from sulphate solutions :
en
- DK47667C - Procedure for the Preparation of Aminomethylheptene Derivatives. :
da
en
- US1923199A - Battery cable terminal tongs :
en
- DE582917C - Process for separating terpene alcohols from mixtures containing them :
de
en
- FR750996A - Lighting fixture :
en
fr
- FR751067A - Air distributor for continuous compressed air brakes :
en
fr
- US1923351A - Adjustable book support and reading stand :
en
- US1923516A - Garment press :
en
- US1923362A - Production of iron oxide pigments :
en
- US1923659A - Desiccating apparatus :
en
- AT134585B - Protective bell for food. :
de
en
- DE582968C - Process for the production of nuclear iodized carvacrol :
de
en
- CA335029A - Box paper liner :
en
fr
- FR42616E - :
fr
- GB397865A - Improvements in or relating to electrical remote control indicator installations :
en
- US1923653A - Headlight :
en
- FR42635E - Improvements made to safety installations against suffocation in premises by lighting gas or other harmful gases lighter than air :
en
fr
- US1923458A - Sheet piler :
en
- US1923790A - Chromium plated article and method of making the same :
en
- US1923247A - Quilting frame :
en
- US1923915A - Shaft seal :
en
- DE582869C - Ink eraser for eraser paper :
de
en
- FR751040A - Protective cap for springs of beds and seats in general :
en
fr
- FR750906A - Safety for automatic pistol acting by movable rear pusher :
en
fr
- US1923459A - Window operator :
en
- GB397455A - Improvements in or relating to powder boxes :
en
- DE582833C - Closure, especially for containers with pressurized extinguishing agent :
de
en
- DE582928C - Process for the production of writing, image u. like characters :
de
en
- US1923069A - Coring machine :
en
- US1923240A - Pressure gauge :
en
- CA335039A - Wire fence :
en
fr
- CA335116A - Heat exchanger :
en
fr
- DE582956C - Metal printing plate for picture printing on high-pressure rotary machines :
de
en
- DE575095C - Vaporizer for alcohol with a catalytically active heating element :
de
en
- GB397415A - Improvements in or relating to lamps :
en
- US1923123A - Plug- and socket-connection :
en
- US1923635A - Abrasive blasting nozzle :
en
- US1923834A - Cloth cutting machine :
en
- DE582716C - Process for the representation of green sulfur dyes :
de
en
- US1923060A - Counting-relay switch :
en
- US1924043A - Metal container :
en
- CA335049A - Engine fuel injection pump :
en
fr
- FR42641E - Method for controlling vacuum devices :
en
fr
- DE582898C - Electrode feed device for automatic arc welding machines :
de
en
- GB397268A - Improvements in or relating to animal traps :
en
- US1924004A - Sample cards :
en
- US1923410A - Tool for turning and undercutting armatures :
en
- US1923419A - Preparation of trichlorobenzene :
en
- US1923575A - Changeable display device :
en
- US1924010A - Machine for casting films or the like :
en
- GB397512A - Improvements in fluid-pressure servomotors for controlling internal combustion engines and other purposes :
en
- US1923565A - Testing apparatus and method :
en
- US1923252A - Phasing device :
en
- US1923601A - Nonmetallic connection :
en
- US1923487A - Well drilling bit :
en
- US1924002A - Puller :
en
- GB397374A - Improvements in or relating to air-tight tins and like containers for tobacco, foodstuffs, and the like :
en
- DE556962C - Device to increase the leakage voltage drop in the secondary windings of transformers for feeding parallel working anodes of rectifiers :
de
en
- FR750883A - Accessory holder for use in combination with vacuum cleaning devices and the like :
en
fr
- FR750931A - Improvements to the manufacturing processes of upholstery parts :
en
fr
- GB397406A - Improvements in and relating to cycle or like saddles :
en
- FR751026A - Electric travel device :
en
fr
- FR751034A - Electrically heated radiator :
en
fr
- GB397294A - Improvements in or relating to bobbin skewers and like bobbin carriers or supports :
en
- US1923420A - Heat insulation material :
en
- US1923440A - Worktable for drill presses :
en
- US1923704A - Viscosity reduced coating composition :
en
- CA335054A - Boiler feed water regulating apparatus :
en
fr
- FR750962A - Improvements to electrical controls for explosive cartridges :
en
fr
- US1923085A - Portable equipment for coursing parks :
en
- FR42622E - Protector against asphyxiating gases :
en
fr
- US1923111A - Laminated glass and method of making the same :
en
- US1923406A - Method of making metallic films upon bodies of nonconducting oxides, especially for oxide filaments in discharge tubes :
en
- GB397395A - Improvements in the process of tempering glass by jets of air directed at right angles to the surface :
en
- FR751023A - Rocking element jewel-brooch :
en
fr
- US1923763A - Gear tooth rounder :
en
- FR751099A - Device for dust removal and wet gas cleaning :
en
fr
- FR42648E - :
fr
- DE582930C - Electric arc discharge lamp with a light body that serves as a series resistor and is housed in the lamp vessel :
de
en
- FR751092A - Large capacity electric oven for high temperatures :
en
fr
- US1923224A - Liquid level gauge :
en
- US1923400A - Tractor lister cultivator :
en
- DE560514C - Swimsuit with an inflatable bag attached only to the back :
de
en
- US1923678A - Bucket :
en
- GB397400A - Method of and apparatus for pouring molten glass for feeding sheet-forming apparatus :
en
- GB397331A - Method of and means for ornamenting bricks or building blocks :
en
- IE13078L - Boot making :
en
- DE582883C - Fuse :
de
en
- DK47655C - High frequency Signaling system. :
da
en
- GB397289A - Improvements relating to illuminated signs :
en
- GB397355A - Improvements relating to the assemblage of the operative parts with the frame of electricity measuring apparatus :
en
- US1923878A - Lift grading machine :
en
- AU879232A - An improved automatic safety device for motion picture projectors :
en
- USRE18918E - Process of making curved composite glass plates :
en
- AT134545B - Device for preventing corrosion on the water pipes of surface condensers and the like. like :
de
en
- GB397396A - Improvements in rotary fluid pumps :
en
- GB397419A - Improvements in or relating to the production of rubber thread :
en
- CA335031A - Tool :
en
fr
- US1923620A - Bench block :
en
- US1923134A - Buffer :
en
- US1923261A - Cut-off mechanism :
en
- DE582943C - Motor vehicle trailer with tubular, at the same time the vehicle frame forming container :
de
en
- AT134587B - Image holding chamber designed as a single chamber for image measuring devices. :
de
en
- AU877332A - Improvement in automatic means for setting type andthe like :
en
- US1923527A - Permanent waving apparatus :
en
- US1923609A - Mechanism for feeding paper and like webs :
en
- US1923930A - Tractor spring tooth harrow :
en
- USD90545S - Design for a shoe :
en
- US1923724A - Telegraph system :
en
- AT134529B - Method and device for mechanical polishing and crimping of fiber material. :
de
en
- US1923759A - Combined current value and totalizing dial :
en
- DK47677C - Apparatus for spreading cake bases and the like. :
da
en
- CA335134A - Picture transmission and reception system :
en
fr
- CA335027A - Pipe coupling :
en
fr
- CA335037A - Hot-water storage vessel :
en
fr
- CA335044A - Central heating system :
en
fr
- US1923594A - Process for producing anhydrous nonvolatile metal chlorides :
en
- AT134547B - Power machine with rotating piston and radially displaceable abutment. :
de
en
- US1923514A - Low limit bearing and method of making same :
en
- US1923441A - Buffing device fokbaitway cab :
en
- AU708732A - Improvements in and relating to centrifugally moulded pipes andthe like of concrete or similar material :
en
- US1923794A - Christmas tree stand :
en
- GB397283A - Improvements in or relating to footwear or the like and methods and apparatus for making the same :
en
- US1923329A - Sand mixer for sand blast machines :
en
- FR750858A - Improvements to the joints formed between parts movable with respect to one another and capable of withstanding the pressure of a metal in the plastic state :
en
fr
- US1923304A - Headlight testing device :
en
- GB397498A - Improvements in or relating to rib knitting machines, rib fabrics and a method of knitting such fabrics :
en
- GB397878A - Improvements in or relating to the treatment of silk :
en
- DE582746C - Firedamp and explosion-proof underground luminaire with cable connection :
de
en
- US1923475A - Fruit pitter :
en
- DE582760C - Device for displaying the layer height in closed containers (bunkers) with liquid, dusty or fine-grained material, consisting of a vibrating structure, the vibration of which is dampened at a certain layer height :
de
en
- DE582919C - Process for the detanning of undyed chrome leather :
de
en
- US1923597A - Bearing lubricator :
en
- US1923710A - Apparatus for producing alpha composite reenforced sheet :
en
- FR751096A - Improvements to alternative machine tools for metalworking :
en
fr
- FR42562E - Method of receiving echoes and aerial or underwater sounding apparatus for its application :
en
fr
- DE582858C - Process for preventing hot cracking of alloys containing copper and tin :
de
en
- US1923953A - Hub cap puller :
en
- US1923880A - Pressure fermentation of dough for bread and similar bakery products :
en
- FR750914A - Improvements to umbrellas, parasols, parasols and similar articles, with variable orientation :
en
fr
- GB397179A - Improvements relating to the application of protective coatings to metals :
en
- AT134569B - Multiple channels for electrical cable systems. :
de
en
- CA335144A - Animal trap :
en
fr
- FR42626E - Portable threading machine with arm or motor control :
en
fr
- CA335080A - Solid fuel burning apparatus :
en
fr
- DE582743C - Writing or display device controlled by an automatic potentiometer, especially for measuring small electromotive forces :
de
en
- DE582831C - Process for the production of natural-looking patterns on leather, artificial leather, oilcloth and similar fiber materials :
de
en
- US1923433A - Cushioning and centering device for railway car couplers :
en
- US1923919A - Throttle valve :
en
- DE582717C - Process for the extraction of oils :
de
en
- DE582823C - Burner for gas stoves :
de
en
- FR751082A - Box that can be used to hold powder, jewelry, etc. :
en
fr
- GB397336A - A fitting for tightening, holding and releasing a tennis net, or other cord or wire under strain :
en
- GB397405A - Improvements in and relating to moulded insulating materials :
en
- CA335048A - Fabric duster :
en
fr
- CA335089A - Solid material dispersing apparatus in gas :
en
fr
- DE582405C - Roentgen device designed like a table or wall, in particular with a folding support wall :
de
en
- FR751073A - Coating for brush frames and brushes provided with said coating :
en
fr
- GB397318A - Improvements in or relating to sleeve valve internal combustion engines :
en
- GB397306A - Process of packing salted herings :
en
- GB397302A - Improvements in flat wick oil lamp burners :
en
- GB397457A - Devices for instantaneously effecting a connection to automatic telephone installations :
en
- US1923333A - Compressor :
en
- US1923799A - Bearing construction :
en
- US1923843A - Method of producing composite slabs :
en
- US1923863A - Slow-to-release relay :
en
- US1924060A - Method of and means for cooling brakes :
en
- DK47658C - Pole for electric accumulators and the like. :
da
en
- GB397359A - Improvements in ropeways :
en
- FR751031A - :
fr
- US1923959A - Means for producing sound :
en
- GB397887A - Improvements in and relating to electric lamps :
en
- US1923535A - Coin selecting apparatus :
en
- FR42606E - Device for controlling a moving machine component :
en
fr
- DK47670C - Procedure for saturating mineral acids Raw phosphate digestion products with ammonia. :
da
en
- DE537941C - Soap cooling machine for making soap bars :
de
en
- FR751093A - Process for protecting rubber-based compositions :
en
fr
- FR42563E - Multipurpose armchair :
en
fr
- GB397278A - Improvements relating to lawn mowers :
en
- FR751046A - Improvements to the establishment of fan blades and similar devices :
en
fr
- USRE18923E - Cooking utensil :
en
- FR751047A - Pick-up refinements :
en
fr
- GB397477A - Diathermy electrodes :
en
- US1923564A - Condenser lightning protection device :
en
- US1923102A - Self-propelled vehicle :
en
- US1923737A - Water gauge :
en
- FR750971A - Improvements in fuel, fuel and gasification devices for explosion engines :
en
fr
- GB397501A - Improvements in and relating to fabric ironing appliances :
en
- US1923990A - Engine starter :
en
- US1924064A - Arrangement in relay-combination groups :
en
- DE582685C - Heat trigger or relay for high currents :
de
en
- US1923200A - Separating device :
en
- US1923099A - Track for track-laying vehicles :
en
- US1924037A - Gyroscopic navigational instrument :
en
- US1923076A - Arc furnace for reducing oxides with carbon under pressure :
en
- US1923518A - Liquid distributor :
en
- US1924016A - Spinal appliance :
en
- CA335050A - Engine fuel injection pump :
en
fr
- US1923813A - Window cleaning device :
en
- AT134521B - Makeshift for the independent conclusion of horse racing bets or the like at any location. :
de
en
- US1923307A - Flexible coupling :
en
- DE564062C - Eraser stencil for typewriters :
de
en
- AT134512B - Process for the production of a soft mild steel with a reduced tendency for blue breakage and aging brittleness in ongoing production. :
de
en
- US1923700A - Cross rolling :
en
- DE582918C - Turbine system with counter-rotating and upstream turbines :
de
en
- DE582946C - Process for the production of rustproof coatings on tinned objects :
de
en
- DE582913C - Process for the production of font templates :
de
en
- DE582983C - Method for growing fruit trees :
de
en
- US1923442A - Decoy :
en
- US1923749A - Means for preventing unbalance in rectifier compounding systems :
en
- US1923570A - Production of sodium cyanide :
en
- US1923612A - Torpedo for launching from alpha flying machine :
en
- DE582780C - Device for resolving a numerical value representing a quantity into a sum of the powers of two, preferably for remote measurement :
de
en
- DE582679C - Process for the production of a starch which is swellable in cold water :
de
en
- US1923285A - Beet puller share :
en
- US1923602A - Tag and attaching means therefor :
en
- AT134554B - Two-stroke diesel engine with an annular working space. :
de
en
- US1923115A - Hydraulic brake :
en
- US1923596A - Imprinting machine :
en
- US1923642A - Creamer sot ajsijclss of bjeegl :
en
- US1923598A - Separator :
en
- US1923401A - Dishwashing machine :
en
- US1923802A - Racket press :
en
- US1923927A - Calking and centering means :
en
- US1923743A - Bottle washing machine :
en
- US1923819A - Transmission system :
en
- CA335071A - Storage battery plate :
en
fr
- US1923370A - Gypsum concrete mixture :
en
- US1923507A - Method of producing resin esters :
en
- USD90554S - Design for a lamp shade :
en
- US1923292A - Purification of cellulose material :
en
- US1923549A - Article handling system :
en
- US1923606A - Hay rake :
en
- US1923756A - Molding composition and alpha resinous condensation product resulting from its conversion by heat and pressure :
en
- AT134558B - Injection carburetor. :
de
en
- AU652932A - An improved vulcanizer :
en
- GB397402A - Improvements in bakers' ovens :
en
- US1923613A - Switch :
en
- GB397199A - Improvements in and relating to machines for dividing dough or like plastic material :
en
- GB397200A - Improvements in or relating to mechanical vibration damping devices :
en
- US1923197A - Card structure :
en
- US1923302A - Vacuum producing means for fuel devices :
en
- DE582974C - Soaked dielectric for electrical capacitors :
de
en
- GB397536A - Improvements in or relating to electrical transformers, particularly for use as intervalve transformers in radio apparatus :
en
- AT134577B - Process for electrical gas cleaning. :
de
en
- AT134595B - Spring mattress or the like. :
de
en
- DE582293C - Automatic remote booking facility with electrical impulse sensors :
de
en
- US1923189A - Method fob loading artificial silk :
en
- US1923130A - Vending machine :
en
- US1923998A - Thermostatic and like temperature responsive apparatus :
en
- AU876932A - Improvements inthe wooden heels of womens shoes :
en
- US1923237A - Mold and core making :
en
- US1923277A - Stroboscopic device :
en
- US1923375A - Welding :
en
- DE582246C - Pressure-resistant disc loaded by axial thrust and exposed to torque :
de
en
- DE582791C - Arrangement for strain relief for electric hand lamps :
de
en
- US1923687A - Receptacle frame :
en
- FR750978A - Improvements in the preparation methods for spinning continuous ribbons of any continuous fiber textiles :
en
fr
- US1923253A - Agricultural implement :
en
- US1923502A - Process and product for protecting aluminium, magnesium, zing and their alloys against corrosion :
en
- USD90523S - Design for a display reel for strip :
en
- US1923209A - Plant for the carbonization of coal and like material :
en
- US1923705A - Pneumatic tire building chuck :
en
- AT134589B - Method for lining metal bodies, e.g. B. brake drums, with a metal lining. :
de
en
- AT134550B - Gear change transmission. :
de
en
- US1923430A - System and apparatus for assisting navigation :
en
- US1923506A - Shade roller mounting :
en
- US1923636A - Face brick :
en
- US1923078A - Adding machine ribbon mechanism :
en
- US1923174A - Remote control apparatus :
en
- US1923316A - Self feeding applicator :
en
- DE582817C - Underfeed firing system :
de
en
- US1923061A - Counter for cup machines :
en
- US1923377A - Rivet feeding machine :
en
- US1923782A - Retaining means for rolling mill bearings :
en
- US1923856A - Display device :
en
- US1923399A - Automatic take-up for shaft bearings :
en
- US1924042A - Oven burner :
en
- DE582776C - Overtaking machine with several grippers :
de
en
- FR751019A - Process for combating the spread of fire in rubber mats and delaying their combustion and kindling :
en
fr
- DE582857C - Floor corner molding :
de
en
- DE582912C - Process for the production of lettering, images, trademarks and similar signs on clear or opaque, colorless or colored surfaces :
de
en
- DE582914C - Process for the production of mosaic tiles from cement or the like :
de
en
- AU875832A - Improvements in or relating tothe surface treatment of plasters and cement :
en
- US1923213A - Process and apparatus for carbonizing coal :
en
- US1923977A - Combine recleaner :
en
- US1923870A - Electric amplification of sounds :
en
- US1923918A - Process of and apparatus for making activated carbon :
en
- US1923466A - Vehicle body :
en
- DE582598C - Circuit arrangement for telephone systems with several switching centers connected in series and semi-automatic operation :
de
en
- DE582839C - Light fluid separator with a closing body for the inlet that is forcibly coupled to the collecting container :
de
en
- FR750992A - Folding support, which can constitute a seat, a table or other :
en
fr
- FR751085A - Process and apparatus for the industrial production of pure magnesium or its alloys :
en
fr
- US1923416A - Armature turning and undercutting lathe :
en
- US1923671A - Composer printing machine :
en
- US1923888A - Method of producing emulsions :
en
- US1923176A - Chimney structure :
en
- US1923592A - Process for improving the mechanical properties of magnesium and its alloys :
en
- US1923829A - Autographic register :
en
- US1923988A - Shoe and binding and stay for the same :
en
- US1923319A - Ice bunker for refrigerator cars :
en
- US1923695A - Electric circuit breaker :
en
- GB397479A - Improvements in the processes for the dehydration of electrolysable salts of easily oxidisable metals :
en
- FR750953A - Improvement in methods and instruments of propulsion of self-propelled vehicles :
en
fr
- GB397458A - Improvements relating to the manufacture of hollow spindles :
en
- DE582808C - AEtzgrund for the production of printing forms :
de
en
- FR42603E - Pressurized and silent flushing device for water closets :
en
fr
- US1923572A - Ophthalmic lens :
en
- DE582786C - Device for carrying and conveying the top sheet tip on top sheet turning devices in cigar machines :
de
en
- FR42552E - Welding head improvements for arc welding :
en
fr
- DE583026C - Fuel feed system for internal combustion engines :
de
en
- FR751097A - Perfected press :
en
fr
- AT134563B - Process for the production of pliable seals and sealing plate produced by this process. :
de
en
- FR750954A - Grouping of parts of a propulsion machine :
en
fr
- US1923248A - Process for making 6-bromo-2-hydroxy-naphthalene-3-carboxylic acid :
en
- US1923584A - Thermostatic wax pot :
en
- FR751021A - Process for the manufacture of letter envelopes with a device for opening them :
en
fr
- GB397223A - Improvements in or relating to advertising and display devices :
en
- US1923668A - Telephone system :
en
- US1923449A - Lubricator :
en
- DE582882C - Control device for arbitrarily variable voltages with an automatically acting addition to keep any arbitrarily set voltage constant :
de
en
- GB397421A - Improvements in toothed gear wheel driving gear for inclined rolling mills :
en
- GB397861A - Improvements in controlling systems :
en
- US1923851A - Record binder :
en
- US1923470A - Centralized lubricating system :
en
- GB397443A - Improvements in matrix composing and line casting machines :
en
- US1923484A - Automobile heater :
en
- US1923562A - Shoe sewing machine :
en
- US1923300A - Mechanical pencil :
en
- US1923350A - Electromagnetic device :
en
- CA335145A - Facial pad :
en
fr
- US1923634A - Fountain pen holder :
en
- US1923812A - Tensioning device for wires, cords, or metal rods :
en
- FR750924A - Light diffusers :
en
fr
- GB397229A - Improvements in apparatus for the measurement and control of power factor :
en
- GB397297A - Improvements in and relating to drying apparatus :
en
- DK47669C - Procedure for Manufacturing Bricks. :
da
en
- FR750881A - Capsule phone :
en
fr
- US1923081A - Closure for books and similar articles :
en
- US1923177A - Reamer :
en
- US1923537A - Carburetor :
en
- DE582975C - Heat exchanger :
de
en
- FR750870A - Process for improving the quality of plants containing alkaloids, especially tobacco :
en
fr
- US1923332A - Tractor :
en
- US1923805A - Double disconnect switch :
en
- USD90547S - Design for an automobile truck :
en
- DK47673C - Device for sealing strips of metal. :
da
en
- GB397389A - Rotary pump :
en
- DE581610C - Arrangement for the propulsion of helicopters :
de
en
- DE582944C - Flexible valve :
de
en
- US1923569A - Production of diolefines :
en
- US1923692A - Electrical inclosure :
en
- CA335108A - Typewriter :
en
fr
- US1923214A - Die-casting apparatus :
en
- US1923619A - Process for electrooptical reg :
en
- US1923952A - Tractor mower :
en
- US1923961A - Apparatus for reenforcing doors :
en
- CA335121A - Control system :
en
fr
- FR750968A - Winding device for cards or other similar documents :
en
fr
- GB397176A - Improvements in sliding clasp fasteners :
en
- US1923082A - Fire control apparatus :
en
- US1923311A - Circuit controller for lifting magnets :
en
- US1923492A - Printing machine :
en
- US1923318A - Adjustable rack :
en
- US1923822A - Mine storing means in submarines of the single hull type :
en
- US1923931A - Grinding machine :
en
- US1923978A - Dental rack and timer :
en
- FR751042A - Assembly process for bed backs or other furnishings :
en
fr
- CA335045A - Foot arch support :
en
fr
- US1923170A - Evaporator :
en
- US1923611A - Turning machine :
en
- USRE18921E - Anticavitation plate por outboard motors :
en
- US1923429A - Carburetor :
en
- US1923627A - Flexible post file binder :
en
- US1924072A - Adjustable shaft mounting and method of assembly :
en
- US1923289A - Conversion of hydrocarbons :
en
- US1923898A - Combined coil winding and stretching machine :
en
- AT134579B - Electric machine with axial cooling air flow at the inlet and outlet. :
de
en
- US1923412A - Bulldozer :
en
- CA335064A - Dictation machine :
en
fr
- GB397356A - Improvements in advertising and displaying apparatus :
en
- FR42642E - Device for reversing two-wheeled trailers :
en
fr
- US1923145A - Method and apparatus for heat treating :
en
- DE582741C - Counter for triple tariff with only two rows of numbers :
de
en
- GB397404A - Production of plastic masses, foils, varnish coatings and the like :
en
- DE582703C - Wedge rope with a trapezoidal cross-section :
de
en
- AT134508B - Aperture arrangement for vehicle headlights or their light sources, e.g. B. Incandescent lamps. :
de
en
- FR42638E - Azo dyes and their manufacturing process :
en
fr
- FR750932A - Improvement in elastic devices for the suspension of pneumatic vehicles and wheels, including application :
en
fr
- GB397330A - Improvements in independent steering wheel assemblies for vehicles, more particularly for automobile vehicles :
en
- GB397269A - Improvements in or relating to thermometers and heat controllers for use in cooking ovens and the like :
en
- FR750922A - New intermediates and new azo colourants derived from them :
en
fr
- US1923366A - Visible card index :
en
- DE582783C - Chemical timer :
de
en
- GB397373A - Improvements in corrosion-resisting iron alloys :
en
- US1923112A - Corset :
en
- GB397435A - Process for the preparation of monochromates and dichromates :
en
- FR42639E - Device for controlling motors operating the ringing of bells or other pendular movements :
en
fr
- US1923663A - Machinery for handling chassis frames :
en
- US1924011A - Holder :
en
- CA335024A - Fruit expressing machine :
en
fr
- US1923236A - Game ball :
en
- US1923260A - Flow meter :
en
- US1924015A - Compound tool :
en
- DE582723C - Process for separating the fiber carbon from the other structural components of the carbon by the floating process :
de
en
- AT134582B - Cooling device for the winding heads of high-voltage machines. :
de
en
- US1923766A - Typewriting machine :
en
- DE582751C - Process for the production of X-ray tube anodes, the anticathode material of which is embedded in a metal with good thermal conductivity :
de
en
- GB397503A - Apparatus for use in coating or covering seed grain with fungicide :
en
- CA335075A - Heating element :
en
fr
- FR751081A - Improvements to steam generators and their accessories :
en
fr
- GB397515A - A process for removing albuminous substances from therapeutic sear and other liquids :
en
- US1923947A - Operating means for automatic telephones :
en
- DE583016C - Safety valve for heat storage with thermophore material :
de
en
- US1923721A - Hinge :
en
- US1923726A - Impregnation process :
en
- US1923859A - Electric cord and cable :
en
- AT134560B - Safety device for compressed air lines, in particular for reversible internal combustion engines. :
de
en
- CA335083A - Pulverized fuel burner :
en
fr
- CA335129A - Telephone exchange system :
en
fr
- CA335086A - Grain separating disc :
en
fr
- DE582959C - Arrangement on screens that are used to diffuse the light of electric light bulbs :
de
en
- GB397870A - Improvements in apparatus for washing gas or vapours :
en
- FR751002A - Method of metallic coating of poor conductors of electricity :
en
fr
- FR751039A - Supercharging system for steam engines :
en
fr
- CA335073A - Storage battery plate :
en
fr
- AT134591B - Torch head for blowtorches or the like. :
de
en
- GB397262A - An improved electric cable :
en
- AT134559B - Injection carburetor. :
de
en
- US1923818A - Radiocabinet :
en
- US1923098A - Treatment apparatus :
en
- US1923101A - Can end seamer :
en
- US1923271A - Process and apparatus for fractionating petroleum :
en
- DE582798C - Process for the production of toothed wheels for noiseless gears or a material for such :
de
en
- GB397247A - Improvements in centralised traffic controlling installations for railways :
en
- US1923452A - Package :
en
- US1924007A - Fitting :
en
- US1923309A - Illuminated display :
en
- DE582976C - Device for polishing, cleaning, etc., especially for manicure purposes :
de
en
- DE582736C - Automatic short-circuit and brush lifting device :
de
en
- DE583007C - Circuit arrangement for additional noise-free subscriber stations in telephone systems with dialer operation, the speech transformers of which have several windings :
de
en
- CA335057A - Vehicle body top :
en
fr
- CA335143A - Welting manufacture :
en
fr
- US1923774A - Carton for eggs and the like :
en
- US1923084A - Method and apparatus for burning limestone and the recovery of carbon dioxide :
en
- US1924057A - Faucet construction :
en
- DE582897C - Electric lamp with glow wire and a metal vapor filling developed at your company, which is made to glow by a discharge that takes place in a shunt with the glow wire :
de
en
- DE582967C - Brush with tufts of hair fastened by a ferrule in a cavity in the handle :
de
en
- US1923445A - Filing device :
en
- DE582984C - Saw blade for metal hacksaws :
de
en
- GB397438A - Improvements in and relating to means for producing electric peak voltages :
en
- DK47657C - Automatic volume control device for Radio Receivers and High Frequency Amplifiers. :
da
en
- DE582856C - Folding shutter :
de
en
- US1923899A - Refrigeration :
en
- US1923509A - Electrothermally actuated electrical switch :
en
- GB397257A - Improvements in or relating to drawing off liquids from containers :
en
- US1923137A - Uncoupling mechanism for car couplers :
en
- GB397482A - Improvements in refined vegetable products and process of making same :
en
- FR42617E - Marine boiler comprising a tubular firebox fitted with superheaters :
en
fr
- FR750910A - Double interlocking metal roof tile :
en
fr
- GB397210A - Strainer and filter to fit in tea pots, coffee pots, water kettles, urns and the like :
en
- DE582843C - Device for pulling threads into doubled lengths of fabric :
de
en
- DK47675C - Steel plate element boiler for heating systems. :
da
en
- GB397224A - Improvements in or relating to wearing apparel :
en
- GB397353A - An improved electro-mechanical acoustical direction finder :
en
- DE582861C - Self-closing flush valve with a counter-pressure chamber formed from a metal bellows, which is arranged in a special space connected to the inflow line through openings :
de
en
- GB397325A - Improvements in blind stitch mechanism for sewing machines :
en
- DE582948C - Board game :
de
en
- GB397305A - Improvements in and relating to sockets for thermionic tubes :
en
- GB397364A - Improvements in or relating to processes of polymerizing vinyl compounds :
en
- DK47661C - Sound reproducing apparatus. :
da
en
- US1924082A - Motor actuated circuit controlling means :
en
- US1923324A - Method of producing hydrochloric acid gas :
en
- US1923906A - Building construction :
en
- DE582958C - Circuit arrangement for telephone relays, in which various delay effects are achieved through several mutually supporting windings and their own switching means :
de
en
- DE583030C - Process for the production of raised metal decorations on metallic substrates :
de
en
- FR42573E - Method and apparatus for the flow of sweat steam baths :
en
fr
- GB397231A - Improvements in or relating to separable sliding clasp fastenings :
en
- US1923243A - Production of coloring preparations and their application :
en
- US1923499A - Automatic train control :
en
- US1923717A - Oiling device :
en
- US1923837A - Gummed tape and method of making the same :
en
- US1924061A - Automatic variable pitch propeller :
en
- US1923941A - Leer for annealing glassware :
en
- FR42561E - Heating shut-off valve for cars and railroad cars :
en
fr
- US1923994A - Knitting machine :
en
- US1923225A - Motor vehicle :
en
- US1923358A - Cheese processing machine :
en
- US1923685A - Checkwriter :
en
- US1923139A - Shoe sewing machine :
en
- DK47659C - Electric Discharge Pipe. :
da
en
- FR42595E - Improvements to automatic unloading platforms :
en
fr
- US1923522A - Refrigerator device :
en
- US1923660A - Fire alarm and fire extinguisher device :
en
- US1923939A - Junction box :
en
- US1923949A - High speed circular knitting machine :
en
- AT134518B - Process for gasifying liquid fuels and gasifiers for performing this process. :
de
en
- AT134568B - Electrical cable system. :
de
en
- US1923889A - Circuit breaker :
en
- US1923971A - Wind harness for electric energy :
en
- DE582742C - Device for monitoring the insulation status of alternators, transformers, etc. like :
de
en
- US1923246A - Mechanical grate-charging device :
en
- US1923622A - Artificial leather manufacture :
en
- USD90521S - Design fob a combined automobile :
en
- US1923661A - Punctureproof tire :
en
- USD90548S - Design for a shoe rack or similar :
en
- CA335105A - Radio automatic volume control :
en
fr
- CA335110A - Cathode ray tube :
en
fr
- US1923456A - Package for strip or like materials :
en
- DE582658C - Film guiding device :
de
en
- GB397420A - Driving gear for skew rolling mills :
en
- US1923216A - Metal compound of omicron-hydroxyazo dyestuffs :
en
- FR750989A - Gas turbine feed device :
en
fr
- AT134516B - Switchboard. :
de
en
- US1923079A - Blower unit :
en
- US1923519A - Compressor :
en
- US1923544A - Adjustable gusset structure :
en
- FR751036A - Coin operated mechanism for gas meters or the like :
en
fr
- US1924058A - Exciter lamp for photo-electric cells :
en
- AT134598B - Hook. :
de
en
- DE582744C - Process for the manufacture of centreless electric dwarf incandescent lamps :
de
en
- DE582972C - Pendulum tube with sleeve attached to one end for fastening in particular electrical lights :
de
en
- GB397431A - Improvements in and connected with travelling clocks and the like :
en
- US1923993A - Process and apparatus for the uninterrupted production of alkaline azids :
en
- US1923156A - Reversible double ended fuse plug :
en
- FR751050A - Method of fixing the power unit to the chassis of motor vehicles :
en
fr
- FR751084A - Protective agents against freezing :
en
fr
- IS71B6 - Method of storing barrels with salted herring :
en
is
- US1924031A - Knee rest :
en
- CA335056A - Vehicle body front end :
en
fr
- CA335008A - Cigarette extinguisher :
en
fr
- CA335138A - Street and traffic sign :
en
fr
- US1923152A - Golf practice apparatus :
en
- US1923875A - Boiler :
en
- US1924030A - Convertible automobile body :
en
- US1923381A - Rake :
en
- DE582848C - Process for the production of resinous condensation products :
de
en
- DE582942C - Flexible connection of the car body to the vehicle frame, especially for motor vehicles :
de
en
- AT134570B - Vapor discharge tube. :
de
en
- AT134540B - Magnetic electric ignition apparatus, in particular for internal combustion engines. :
de
en
- AT134594B - Lock with two-part tumblers. :
de
en
- DE582552C - Process for the production of a double salt which can be used for fertilization purposes :
de
en
- US1923380A - Synchronizing clutch mechanism for automobile transmissions :
en
- US1923796A - Rock drill :
en
- CA335133A - Battery charge control system :
en
fr
- DE582986C - Two-story car body, especially for buses and coaches :
de
en
- DE582988C - Dimming device for headlights of motor vehicles :
de
en
- DE582900C - Process for improving the properties of rayon, films and other products made from viscose :
de
en
- FR751078A - Tank for melting impregnation materials :
en
fr
- GB397238A - Improvements in and relating to disinfection with free iodine :
en
- AT134501B - Device for triggering switching processes depending on changing room lighting. :
de
en
- AT134566B - Electrical network. :
de
en
- US1923405A - Pick-up feeder :
en
- US1923887A - Power mechanism :
en
- CA335131A - Contact member manufacture :
en
fr
- US1924056A - Strain insulator chain :
en
- US1923383A - Process of grinding materials :
en
- DE582890C - Vehicle for moving airplane wings :
de
en
- GB397319A - Improvements in and relating to methods of and apparatus for separating minerals of high specific gravity in particular noble metals from finely ground rocks or ores :
en
- AT134584B - Electric welding method. :
de
en
- CA335140A - Tractor plow :
en
fr
- CA335102A - Paper making apparatus :
en
fr
- US1923465A - Swinging scaffold :
en
- US1923999A - Necktie holder :
en
- AU697332A - An improved machine forthe manufacture of box blanks :
en
- US1923679A - Doorlatch :
en
- AU829132A - Water-absorbent pulverized iron and process for producing same :
en
- AT134534B - Elastic profile strips made of rubber, especially for window seals and the like. like :
de
en
- CA335063A - Bearing brass manufacture :
en
fr
- US1923869A - Means for oiling loose pulleys or the like :
en
- US1923951A - Process and mechanism for separating intermixed divided materials :
en
- US1923674A - Coupler mechanism :
en
- US1923784A - Side door construction for railway cars :
en
- US1923343A - Controlling apparatus for automobile signal systems :
en
- US1923585A - Dispensing faucet :
en
- US1923950A - Machine for packing matches :
en
- DE494372C - Process for producing partial screen negatives for multi-color printing :
de
en
- DK47656C - Cryptographer. :
da
en
- AT134537B - Headbox for Fourdrinier paper or board machines. :
de
en
- AT134567B - Device for converting high-voltage direct current into alternating current or vice versa by means of several discharge vessels connected directly in series. :
de
en
- US1923080A - Presser-foot for sewing machines :
en
- US1923281A - Collapsible table :
en
- AT134528B - Device for transferring printable originals onto neutral sheets. :
de
en
- DE582921C - Loading device for ovens, especially for crematoria :
de
en
- GB397513A - Methods of and means for consolidating wood :
en
- FR42578E - Conveyor conveyor for concrete, mortars or similar materials :
en
fr
- FR750877A - Indicator and warning device for cable tanks :
en
fr
- GB397453A - Electrolytic process for protecting metals :
en
- CA335095A - Spare tire cover :
en
fr
- CA335137A - Paper making machine :
en
fr
- DE582718C - Motor fuel :
de
en
- DE582841C - Shower head :
de
en
- DE582862C - Device for the continuous passage of objects through galvanized or other molten metal baths :
de
en
- DE582707C - Collapsible pedal device for musical drums :
de
en
- AU1017632A - Condenser vent :
en
- CA335087A - Pipe coupling :
en
fr
- US1923752A - Combined forming and finishing mechanism :
en
- AT134502B - Device for reproducing acoustic vibrations. :
de
en
- DE582934C - Method of drying the hair packs for water waves :
de
en
- US1923274A - Condenser apparatus :
en
- US1923217A - Method and apparatus for pollinating plants grown under glass :
en
- US1923739A - Heavy duty seat construction :
en
- US1923800A - Ironing and pressing machine :
en
- US1923847A - Valve seat cutting device :
en
- US1923365A - Athletic shoe :
en
- AT134526B - Process for the manufacture of the outer part of matchboxes and the like Like. And outer part of the same. :
de
en
- DE582982C - Sound recording and reproducing device :
de
en
- CA335052A - Food press :
en
fr
- GB397511A - Improved means for attaching running wheels to the legs of wringing and mangling and washing machines, dumbaiters, toys, portable furniture, and other movable objects :
en
- US1923105A - Process for production of nonwarping fiber boards :
en
- US1923530A - Pressing machine control lock :
en
- AT134523B - Process for the production of reinforced concrete bodies. :
de
en
- US1923198A - Record blank :
en
- US1923524A - Manufacture of goods of or containing rubber :
en
- US1923228A - Storing box :
en
- US1923718A - Signal system :
en
- CA335047A - Internal combustion engine :
en
fr
- US1923736A - Vulcanizing device :
en
- US1923334A - Die :
en
- US1923748A - Electrical discharge device :
en
- DE583019C - Self-collecting locking machine for typewriters :
de
en
- US1923827A - Method of forming sinkers for knitting machines :
en
- AU874732A - Improvements in or relating to coverings for floors, walls andthe like :
en
- US1923068A - Heel machine :
en
- US1923473A - Downdraft carburetor :
en
- AU878032A - Improvements in or relating to radio andother high frequency circuit arrangements :
en
- AU1000132A - Improvements in or relating to methods of and apparatus for dividing petroleum bottoms :
en
- US1923193A - Frame for transits and similar instruments :
en
- CA335085A - Electric clock movement :
en
fr
- DE582441C - Circular knitting machine for the production of binding thread lining goods :
de
en
- DE582875C - Ramming tool with two pistons guided in a cylinder :
de
en
- CA335007A - Roofing and partition element :
en
fr
- US1923969A - Combination table :
en
- US1923326A - Fire extinguisher :
en
- US1923617A - Invalid's chair :
en
- US1923996A - Adjustable book end holder :
en
- US1923421A - Process of heat treating substances :
en
- AU870432A - Improved inking roller for printing presses andthe manufacture thereof :
en
- CA335009A - Coffee filter :
en
fr
- US1923330A - Apparatus for burning fuels :
en
- US1923980A - Hen nest :
en
- CA335053A - Container :
en
fr
- US1923816A - Adjustable holder for grain and the like bags or sacks :
en
- USD90529S - Design fob a combination radio :
en
- FR42600E - Process for manufacturing hydrogen peroxide :
en
fr
- US1923203A - Brake shoe :
en
- DE582907C - Automatic needle changing device :
de
en
- US1923578A - Circuit closer for motor vehicles :
en
- FR751030A - Improvements in processes and reproduction devices by cutting, engraving, profiling, photosculpture, etc., of graphic representations and plastic objects :
en
fr
- GB397437A - Improvements in or relating to ladies' apparel belts :
en
- CA335022A - Blotting appliance :
en
fr
- CA335147A - Bottle carrier :
en
fr
- DE582740C - Device for suppressing transverse vibrations of light axes, especially of electrical measuring devices :
de
en
- FR42621E - Artificial incubator :
en
fr
- US1923096A - Book cabinet :
en
- US1923513A - Bandage :
en
- US1923067A - Table :
en
- US1923803A - Briquette and method of producing same :
en
- DE583037C - Process for the production of shoe insoles as footrests from layered cardboard :
de
en
- DE582864C - Sewing machine :
de
en
- FR750979A - Projection device :
en
fr
- AT134599B - Process for the reduction of metal oxides, in particular iron ores. :
de
en
- US1923783A - Railway car side door construction :
en
- DE582837C - Device for expressing tubes :
de
en
- FR42553E - Improvements in the gasification of heavy oils by partial combustion :
en
fr
- FR750856A - Improvements to assemblies, for example for assembled crankshafts and similar components :
en
fr
- USD90546S - Design for a combined advertising :
en
- GB397233A - Improvements in or relating to calendering, and cutting sheet material on the bias :
en
- GB397383A - Improvements in earth excavating apparatus :
en
- USD90531S - Design for an ash tray :
en
- FR42571E - Improvement in lag bolts for railway tracks :
en
fr
- GB397242A - Variable speed gearing :
en
- GB397205A - Improvements in and relating to the production of sound records :
en
- FR751014A - Automatic lighter :
en
fr
- GB397358A - Improvements in or relating to gilled pipes for heat-exchange apparatus for fluids :
en
- CA335149A - Line reading device :
en
fr
- DE582671C - X-ray device with alternating switchover for fluoroscopy and recording and, in addition to the switch, multi-stage voltage regulating devices :
de
en
- GB397866A - An improved method of and means for cement grouting in the segmental elements of tunnels and like structures :
en
- US1923552A - Vacuum tube :
en
- US1923337A - Closure cap :
en
- US1923371A - Wear loop and box loop :
en
- US1923432A - Brake drum and apron :
en
- DE582923C - Filter for pipe wells without gravel packing, consisting of individual overlapping rings :
de
en
- GB397351A - Improvements in table game apparatus :
en
- US1923916A - Field strength measurement for ultra-short waves :
en
- US1924040A - Hair waving device :
en
- US1924044A - Concrete safety mining unit :
en
- DE582978C - Sliding window with horizontally movable leaves :
de
en
- DK47664C - Device for Fuel Pumps for Internal Combustion Engines. :
da
en
- US1923071A - Pouch for toilet articles :
en
- US1923690A - Article of furniture :
en
- US1923576A - Conversion of solid fuels and products derived therefrom or other materials into valuable liquids :
en
- US1923853A - Slicing machine guide :
en
- AT134556B - Control valve for gases and liquids. :
de
en
- AU1032432A - Improvements in devices for distributing air or other gases :
en
- DE582868C - Locking device for shutters u. Like. In the open position :
de
en
- DE582929C - Method for the television reception of continuously moving film images by means of cathode ray tubes :
de
en
- US1923166A - Equalizing mechanism for belt presses or the like :
en
- US1923566A - Ophthalmic mounting :
en
- US1923981A - Gas range :
en
- FR42615E - Domestic laundry washing process :
en
fr
- FR751003A - Device for obtaining mechanical movements controlled by an electric discharge tube :
en
fr
- FR750994A - Recording and playing back sounds :
en
fr
- GB397441A - Improvements to domestic washing boiler :
en
- US1923398A - Display device :
en
- US1924029A - Piston closure for waterless gas holders :
en
- USD90522S - Design for a sign :
en
- FR751015A - Universal adjustable post base :
en
fr
- FR751056A - Potato bagging machine :
en
fr
- GB397375A - Improvements in explosion gas turbines :
en
- US1923693A - Flexible tube :
en
- FR751035A - :
fr
- FR750943A - Progressive clutch :
en
fr
- GB397518A - Ribbon mechanism for calculating machines, typewriters and the like machines :
en
- CA335119A - Stabilized floating deck :
en
fr
- US1923245A - Nonshatterable glass and method of making same :
en
- US1923374A - Locomotive boiler :
en
- US1923464A - Process of making dry sodium aluminate :
en
- AU875232A - Process of treating cereal foods :
en
- CA335021A - Receptacle perforator and closure :
en
fr
- FR750966A - Photographic foot :
en
fr
- US1923714A - Nitrocellulose coating composition containing low boiling solvent vehicles :
en
- GB397284A - Improvements relating to friction pivots for casement and other pivoted windows :
en
- FR750882A - Protective differential coupling for parallel lines :
en
fr
- GB397370A - Improvements in or relating to clutch operating devices for motor vehicles :
en
- FR751049A - Ventilation system for railcars :
en
fr
- GB397480A - Improvements in drawing frames for use in spinning :
en
- GB397367A - Improvements in and relating to vehicle wheels :
en
- US1923746A - Modification of sound records :
en
- US1923089A - Toddy mixer package :
en
- US1923206A - Internal combustion engine :
en
- US1923855A - Film control device :
en
- FR750869A - Process for thermally treating carbon compounds and particularly hydrocarbons :
en
fr
- FR750999A - Improvements to metal stanchions used for support :
en
fr
- DE582745C - Adjustable lamp holder for work tables :
de
en
- FR42629E - New dyes for dyeing cellulose esters and ethers :
en
fr
- GB397271A - Improvements relating to the production of ammonium sulphate :
en
- GB397462A - Improvements in or relating to cables for use on high (radio) frequencies :
en
- US1923409A - Ointment applying syringe :
en
- FR42572E - Advertising device for public buses :
en
fr
- FR750983A - Additional brake for automobiles and other vehicles :
en
fr
- AU819832A - Improvements relating tothe friction drive ofthe overhead gear of sheepshearing machines :
en
- US1923178A - Hydroxy alkyl ethers of tertiary amines and process of preparing same :
en
- US1923266A - Plant spraying apparatus :
en
- US1923909A - Apparatus for surfacing sheet material with pigments, varnishes, lacquers, or the like :
en
- US1923159A - Wall-crack cutting router :
en
- DE495761C - Process for producing partial screen negatives for multi-color printing :
de
en
- US1923684A - Process of making food products :
en
- US1923905A - Gear shift for automobiles :
en
- US1923798A - Condensation product and process of making same :
en
- US1923901A - Separable electric connecter :
en
- USD90543S - Design fob a shoe :
en
- GB397413A - Improvements in and connected with containers for packing cut flowers, plants and for like purposes :
en
- US1923651A - Control mechanism for electrically operated liquid fuel burners :
en
- US1923734A - Pen desk set :
en
- US1923066A - Sound amplifying and conducting mechanism :
en
- US1923321A - Resinous product and process of making same :
en
- US1923943A - Lightning arrester :
en
- FR42592E - Process for the preparation of nitrogen containing compounds :
en
fr
- FR42627E - Improvements to turbine driven water meters :
en
fr
- FR750859A - Improvements to accounting machines and more particularly to punching machines comprising a counter mechanism and a punching device controlled by the counter for punching the totals :
en
fr
- US1923623A - Fish lure :
en
- FR751041A - Low combustibility rubber mat :
en
fr
- GB397386A - Improvements in or relating to thermostatic gas control devices :
en
- US1923376A - Interchangeable lens mount structure :
en
- US1923486A - Core drill :
en
- US1923287A - Coin controlled amusement apparatus :
en
- US1923448A - Whipstock :
en
- AT134571B - Device for the central regulation of technical conditions. :
de
en
- FR750905A - Lift pump for all liquids :
en
fr
- FR751057A - Automatic cutting device on machines producing sheets of fibrous material :
en
fr
- FR751061A - Production of new chromiferous coloring materials :
en
fr
- GB397244A - Improved suspension and operating devices for sliding sash windows :
en
- GB397473A - Improvement in attaching wrist straps to watches, personal ornaments and the like :
en
- GB397293A - Process for the manufacture of complex double compounds of thio-substituted carbohydrates :
en
- GB397311A - Improvements in or relating to electric incandescent lamps :
en
- US1923182A - Brake operating mechanism :
en
- US1924003A - Cam cutting machine compensating means :
en
- US1923965A - Acoustic diaphragm :
en
- US1923087A - Printing machine for making film strip slides from positive or negative motion picture films :
en
- US1923558A - Talking machine :
en
- US1923151A - Automatic central mixing plant :
en
- USD90549S - Design fob a shoe rack or similar :
en
- US1923125A - Safety razor :
en
- US1923275A - Candy support :
en
- US1923403A - High speed tape recorder :
en
- FR751087A - Process for the preparation of azo dyes :
en
fr
- GB397401A - A sheet separator for paper feeding machines :
en
- US1923310A - Device for preventing theft of automobiles :
en
- DE582712C - Foerdergeraet (bucket chain excavator, stacker) with a boom, which is secured against twisting in the lateral direction by a tension member acting on it from the side :
de
en
- US1923995A - Reversing and stopping propeller mechanism :
en
- CA335032A - Curling stone sharpener :
en
fr
- US1923689A - Suction machine :
en
- CA335072A - Battery terminal post seal :
en
fr
- GB397166A - Improvements relating to means for indicating the height of aircraft particularly for use when the aircraft is landing :
en
- GB397484A - Process of consolidating tars and pitches :
en
- SE78165C1 - :
sv
- US1923242A - Combined holder and ash receiver for cigars and cigarettes :
en
- FR750915A - New water insoluble azo dyes :
en
fr
- FR751027A - Mechanical base with movable valves on balances for pipe organ :
en
fr
- FR42623E - Dyeing of paper and pulp in water-soluble shades :
en
fr
- AU875632A - Combination compound tube :
en
- FR750957A - Trim for fashion and its manufacturing process :
en
fr
- US1923279A - Laundry sprayer :
en
- US1923286A - Method of purifying iron from sulphur :
en