• US2283438A - X m method of producing the same : en
  • US2283236A - Sulphonated derivatives of polymerized methylstyrene : en
  • US2283231A - Electrical distribution system : en
  • US2283798A - Apparatus for annealing wire : en
  • CA404896A - Triple cushion mattress : en fr
  • US2283742A - Hysteresoscope : en
  • US2283890A - Display rack : en
  • AU115115B2 - Improvements in electron discharge devices : en
  • AU132641A - Improvements in sparkplugs : en
  • US2283588A - Vehicle jack structure : en
  • DE720872C - Stereo roll film camera : de en
  • DK59778C - Clamp locking device for automatic brake regulators. : da en
  • FR871895A - Cast iron resistant to scale formation and containing aluminum : en fr
  • GB545357A - Improvements in and relating to the transmission of communications : en
  • US2283473A - Slide rule : en
  • US2283181A - Can closing machine : en
  • US2283239A - Finishing machine : en
  • US2283723A - Porous electrode electrolytic condenser : en
  • AT160856B - Process for increasing the crease resistance of textiles. : de en
  • US2283193A - Sole edge inking machine : en
  • US2283465A - Treatment of phenols : en
  • FR871868A - Composite material and its application to the manufacture of transportable coolers or other similar devices : en fr
  • FR871923A - Air pressure relief device for gasifiers to supply engines : en fr
  • US2283544A - Electric plug : en
  • US2283575A - High frequency transmission system : en
  • US2283720A - Gyboscope : en
  • US2283860A - Wheel structure : en
  • US2283502A - Means for dumping fuel from aircraft : en
  • US2283624A - Cover : en
  • DE721041C - Arrangement of streamlined balancing rudders on ships : de en
  • FR871834A - Machine for spray coating the inner wall of cans : en fr
  • US2283404A - Gain controlled telegraph receiver : en
  • US2283854A - Conversion of hydrocarbon oils : en
  • USD132473S - Design for a toy animal : en
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  • DE721067C - Elastic connection of a disc loaded on one side, in particular a blade carrier for steam or gas turbines, with a supporting body : de en
  • US2283190A - Flight indicator : en
  • US2283822A - Window construction : en
  • CA404891A - Disc harrow : en fr
  • DE720976C - Amplifier : de en
  • DE721070C - Contact wire crossing for electric railways : de en
  • DK59783C - Procedure for the manufacture of press articles of fine alloys. : da en
  • DE721027C - Coverable hair dryer hood : de en
  • GB545257A - Improvements in and relating to abrading machines : en
  • AT160849B - Soaking and cleaning device for vessels. : de en
  • CA404923A - Radio receiver dial : en fr
  • US2283309A - Cargo stowing apparatus : en
  • US2283374A - Switching mechanism : en
  • USD132436S - Design for a pin or similar article : en
  • US2283594A - Internal combustion engine : en
  • USD132501S - Design fob a dress : en
  • CA404867A - Magnesium base alloy : en fr
  • US2283435A - Variable ratio transmission mechanism : en
  • US2283453A - Torsion pendulum damping apparatus : en
  • CA404915A - Ultra short wave system : en fr
  • US2283279A - Support : en
  • US2283356A - Method of drawing : en
  • US2283832A - Control of endothermic and exothermic catalytic reactions : en
  • DE720984C - For transferring the weight display of a scale to a display, recording, printing or similar device : de en
  • US2283182A - Electric cooker : en
  • US2283557A - Suction cleaner outlet construction : en
  • US2283784A - Tag-line reel : en
  • US2283793A - High frequency modulated radio signal transmitter : en
  • GB545265A - Improvements in device for lifting the warp threads on looms : en
  • DE720865C - Device for the automatic control of power generators : de en
  • GB545395A - Improvements in pipe joints particularly for lubricating systems : en
  • US2283259A - Valve : en
  • CA404908A - Positioning device for radio receivers : en fr
  • US2283169A - Spinning fibers : en
  • FR871972A - Improvements to radiotherapy devices : en fr
  • US2283243A - Fastening device : en
  • US2283537A - Controlling device for fire doors : en
  • US2283836A - Suction cleaner : en
  • DE721030C - Swiveling roller with thread protection, especially for hair treatment devices : de en
  • DE720946C - Drying agents : de en
  • FR871878A - Internally cooled rotating cylindrical drawer : en fr
  • DE720893C - Device for avoiding measurement errors caused by the inclined position of the vehicle carrying the measurement apparatus during wireless navigation measurements : de en
  • US2283310A - Sheet and plate metal forming machine : en
  • US2283775A - Fire extinguishing method and apparatus : en
  • US2283630A - Dimmer switch : en
  • US2283333A - Fountain pen : en
  • US2283703A - Fingernail stencil : en
  • DE721097C - Centrifugal oil cleaning for internal combustion engines, in particular for motor vehicles : de en
  • DE720892C - Device for the management of vehicles grouped together : de en
  • GB545248A - Improvements in or relating to the manufacture of granule coated webs : en
  • IE16331L - Liquid discharge appliance : en
  • DK59775C - Process for the Preparation of α-Oxy-β, β-dimethyl-γ-butyrolactone. : da en
  • US2283273A - Sandal : en
  • US2283285A - Massage : en
  • US2283421A - Method and composition for degreasing skins : en
  • CA404795A - Chick feeder : en fr
  • US2283876A - Nut cracking machine : en
  • FR871899A - Use of fabrics, felts or sheets of the kind of paper, of highly polymerized hydrogen carbides, as a dialysis membrane for alkaline liquids : en fr
  • GB545270A - Improvements in and relating to towing attachments for agricultural implements : en
  • GB545380A - Improvements in or relating to blocking-layer cells : en
  • DE721014C - Cable laying device for makeshift installation in watercraft, in particular river barges : de en
  • US2283542A - Antiholdup cashier's cage : en
  • US2283716A - Hitch mechanism : en
  • DE721096C - Installation of a houseless self-seller in a shop window : de en
  • US2283194A - Display device : en
  • US2283536A - Mechanical clearance regulator : en
  • US2283684A - Athletic protector : en
  • US2283700A - Protective system : en
  • US2283708A - Apparatus for installing collapsible tubular rivets : en
  • US2283240A - Contouring machine and method : en
  • DE720978C - Station setting device : de en
  • GB545305A - Improvements relating to the de-icing of rotatable parts of aircraft : en
  • FR871952A - Rotary printing device : en fr
  • US2283262A - Diagnostic composition and method : en
  • US2283365A - Water level control roof drain : en
  • DE720981C - Dropper bottle : de en
  • US2283246A - Cast valve : en
  • US2283834A - Hair-cutting device : en
  • USD132506S - Design for a dress : en
  • FR871922A - Manufacturing process for shoes with wooden soles : en fr
  • US2283417A - Sofa bed : en
  • US2283638A - Injector : en
  • DE720880C - Sheet metal shearing and pre-bending machine : de en
  • DK59771C - Device for hand lamps, bicycle lamps or similar lamps. : da en
  • US2283305A - Hydrocarbon gas conversion process : en
  • US2283553A - Foot operated press : en
  • US2283577A - Apparatus for operating doors : en
  • US2283586A - Light shutter : en
  • GB545332A - Improvements in or relating to electrical precipitating apparatus : en
  • USD132477S - Design for a finger ring : en
  • US2283270A - Electrical relay : en
  • US2283878A - Method for making screen cloth : en
  • GB545359A - Improvements in or relating to trousers, breeches, skirts, and like wearing apparel : en
  • GB545293A - Improvements in or relating to the catalytic isomerization of normal heptane : en
  • DE720898C - Kruecken-like support device : de en
  • DE720825C - Process for the pressure hydrogenation of solid fuels : de en
  • US2283535A - Sewing machine : en
  • DE720923C - Gravity folding davit : de en
  • US2283184A - Oscillatory starter and rotary breech mechanism therefor : en
  • US2283428A - Nozzle for vacuum cleaners : en
  • US2283809A - Method of coagulating cellulosic solutions : en
  • US2283862A - Window operator : en
  • GB545329A - Improvements in or relating to the method of forming tyre rims : en
  • FR871823A - Optical system comprising a spherical aberration correcting element : en fr
  • FR871882A - Acetylene generator for automotive propulsion : en fr
  • FR871898A - Method of manufacturing centrifugal cast steel bodies : en fr
  • FR871885A - New methods of attaching added elements to plastic objects : en fr
  • FR871927A - Sophisticated device for plumbing a swivel frame : en fr
  • DE721063C - Magnetic body for magnetic drum separator : de en
  • FR871804A - One-piece axle : en fr
  • DE720989C - Pressure device for thin perforated discs on meat chopping machines : de en
  • CA404815A - Welding electrode : en fr
  • GB545309A - A folding jack for use in removing boots : en
  • US2283170A - Method of coloring etched stainless steel : en
  • DE721028C - Seating furniture with retractable seat part and backrest upholstery that can be tilted : de en
  • GB545292A - Improvements in and relating to printing machines : en
  • US2283765A - Brush : en
  • US2283795A - Electric switch construction : en
  • US2283895A - Ultra high frequency oscillator : en
  • CA404911A - Sheet metal piston ring : en fr
  • CA404782A - Game apparatus : en fr
  • DE721057C - High-voltage converter for high-voltage currents with stationary contact pieces and with moving counter-contacts made of solid material, which are arranged in an insulating fluid that is permanently artificially offset in the current : de en
  • US2283467A - Stoker alarm system : en
  • USD132464S - Design fob a portable structure : en
  • CA404778A - Building frame : en fr
  • US2283631A - Apparatus for burning fuel : en
  • DE720849C - Current bridge for switching drums, electric rotary switch : de en
  • GB545379A - Improvements in overalls and like garments : en
  • USD132449S - Design for a pin or similar article : en
  • DE720940C - Repetition of a single-letter casting and setting machine controlled by tabs : de en
  • DE720943C - Process for the production of an electric heater in endless lengths : de en
  • DE721015C - Process for the production of partitions on cable fittings of electrical multi-conductor OE cables : de en
  • US2283223A - Aircraft : en
  • US2283406A - Collapsible display receptacle : en
  • AT160821B - Printing or display device for scales. : de en
  • US2283377A - Tractor-attached implement : en
  • US2283712A - Transformer : en
  • DE720919C - Device for the electrical welding of metal films : de en
  • CA404812A - Gear shifting mechanism : en fr
  • GB545404A - Improvements in fluid-cooled electric discharge devices : en
  • US2283297A - Railway signaling system : en
  • US2283747A - Vulcanization of rubber : en
  • DE720863C - Process for the production of milk sugar : de en
  • DE720918C - Arrangement for drying damp film strips : de en
  • DE721069C - Brake force regulator for air brakes : de en
  • US2283522A - Abrasive device for cleaning still tubes and the like : en
  • FR871926A - Sliding ladders improvements : en fr
  • GB545347A - Improvements in traffic control signals : en
  • US2283757A - Dispenser : en
  • USD132461S - Klose xairplane : en
  • US2283303A - Oil level regulator : en
  • GB545294A - Electric circuits for improving the power factor in the case of intermittent alternating current loads : en
  • GB545377A - Improvements in calorimeters : en
  • GB545394A - Improvements relating to the production of dyestuffs on textile fibres : en
  • US2283615A - Feeding apparatus : en
  • US2283893A - Water closet seat : en
  • US2283498A - Multiple plug connector : en
  • US2283808A - Commutator : en
  • US2283552A - Vibratory electric motor apparatus : en
  • US2283292A - Percussive tool : en
  • US2283591A - Telephone answering system : en
  • US2283202A - Reinforced motion picture film : en
  • USD132480S - Design for a dress : en
  • USD132495S - Design for a lace tablecloth : en
  • US2283776A - Process of making soap : en
  • GB545400A - Improvements in air or gas purifiers : en
  • GB545271A - Improvements relating to devices for clearing obstructions from wells or bore holes : en
  • US2283380A - Packaged cake : en
  • US2283699A - Textile and paper machine drive : en
  • USD132431S - Molded fiber combination plate : en
  • DE721013C - Manufacture of lead superoxide anodes with light metal carriers covered by a lead layer : de en
  • FR871853A - Anti-condenser dryer for gasifier filter : en fr
  • DK59785C - Water heater. : da en
  • US2283773A - Fishing rod and reel : en
  • US2283782A - Lighting fixture : en
  • US2283611A - Composition : en
  • FR871870A - Method of transmitting messages by a typewriter : en fr
  • GB545279A - Improvements in and relating to thread control mechanism for sewing machines : en
  • US2283818A - System for cooling beverages : en
  • US2283172A - Zeolites and their treatment : en
  • US2283344A - Electric timing system : en
  • DE720874C - Steering device for caterpillar vehicles with at least three caterpillar tracks : de en
  • FR871857A - Sliding bearing for shafts and the like : en fr
  • US2283569A - Slicer : en
  • FR871887A - Device for controlling an automatic lathe, more especially a spar lathe : en fr
  • DE720862C - Process for the removal of hydrogen halide from the solid products of the hydrolysis of cellulose : de en
  • US2283717A - Electric circuit breaker : en
  • CA404798A - Hair clipper blade lubricating device : en fr
  • US2283457A - Centrifugal separator : en
  • US2283676A - Phase measuring arrangement : en
  • DE720995C - Automatic execution of assembly and similar work : de en
  • FR871845A - Improvements to contact heat exchangers : en fr
  • US2283338A - Drilling machine : en
  • US2283412A - Golf bag support : en
  • USD132467S - Design foe a confection : en
  • US2283212A - Mining machine : en
  • US2283529A - Dispenser for liquid soap and the like : en
  • USD132491S - Design for a lace tablecloth : en
  • FR871977A - Process for manufacturing light polarizing bodies : en fr
  • GB545289A - Improvements in or relating to rosin size emulsions : en
  • AT160843B - Roof weir. : de en
  • DE720897C - Locking device for the height-adjustable wheels of a chassis for stretchers : de en
  • FR871929A - Improvement of mixers for supplying engines with combustible gases : en fr
  • US2283160A - Roof drain : en
  • GB545302A - Improvements in or relating to the production of gas expanded rubber : en
  • DE720932C - Tool for the production of ring-rim seals on holes in sheet metal : de en
  • FR871990A - Connection of a pipe and a sleeve with a rubber sealing ring : en fr
  • US2283719A - Electric valve circuits : en
  • DK59782C - Electric Filter. : da en
  • GB545325A - Improvements in or relating to controlling means for variable speed power transmission apparatus : en
  • US2283426A - Hair curler : en
  • US2283683A - Chemical process : en
  • US2283868A - Hot-galvanized carbon-steel alternating-current conductor : en
  • USD132498S - Design for a dress : en
  • DE721022C - Shine-giving surface care products : de en
  • FR871888A - tubular elements assembled by fittings allowing their mutual orientation : en fr
  • AT160809B - Steel for the manufacture of high pressure gas cylinders. : de en
  • DE721088C - Process for the production of solder connections on metal ducts through glass : de en
  • US2283329A - Reversible window shade : en
  • USD132482S - Design for a dress : en
  • CA404776A - Hot water heater : en fr
  • DE720983C - Process for making used corks reusable : de en
  • US2283560A - Inspection tool : en
  • FR871979A - Mechanism for rotating the cutter head of a gear milling machine : en fr
  • US2283429A - Method of and apparatus for determining the location of water strata in wells : en
  • GB545307A - Apparatus for sorting screws, studs and such like according to dimension : en
  • US2283853A - Broiler : en
  • GB545354A - Improvements in electric cables : en
  • FR871997A - Process for manufacturing soles in fibrous material and soles obtained by this process : en fr
  • GB545389A - Improvements in electron discharge devices : en
  • FR871950A - Process for the manufacture of easily soluble compounds or aqueous solutions of theophylline or caffeine : en fr
  • US2283343A - Electrically heated implement : en
  • USD132444S - Design for a pin or similar article : en
  • GB545345A - Improvements in the construction and assembly of centrifugal pumps and like apparatus : en
  • CA404868A - Magnesium base alloy : en fr
  • CA404833A - Ignition device for safety fuses : en fr
  • US2283348A - Pump : en
  • US2283603A - Manufacture of motor fuel : en
  • US2283744A - Automatic land leveler : en
  • GB545297A - Improvements in and relating to electrical apparatus with compressed air insulation : en
  • GB545320A - Improvements in or relating to means adapted for operating on shoe bottoms : en
  • FR871864A - Device for moving, independently of its motor drive, the milling chuck of a gear milling machine : en fr
  • DK59780C - Device with receivers that can be tuned within several frequency ranges. : da en
  • US2283207A - Rotary well drilling system : en
  • US2283718A - Chemotherapeutical substances : en
  • USD132507S - Design fob a lace : en
  • FR871978A - Balancing device for the milling carriage and the spindle head of a gear milling machine : en fr
  • FR871841A - Electrical outlet plug : en fr
  • DK59772C - Device for washing machines and similar machines. : da en
  • FR871881A - Device for lighting equipment, such as for example tachometers built into the headlight casing : en fr
  • US2283844A - Pump : en
  • US2283215A - Claw bar : en
  • CA404899A - Grinding ring : en fr
  • CA404794A - Material handling apparatus : en fr
  • CA404793A - Outer garment : en fr
  • US2283174A - Method of preparing composite materials for contacting operations : en
  • USD132450S - Design for a pin or similar article : en
  • AT160846B - Arrangement for extinguishing an arc burning in a vacuum discharge vessel. : de en
  • FR871912A - Combined three armature electro-magnetic regulator switch device for generator installations, particularly on vehicles : en fr
  • USD132468S - Design for a bomb shield : en
  • US2283519A - Pigmented fatty acid glyceride gel and method of making : en
  • USD132419S - Design for a brush knife : en
  • DE720985C - Illuminated scale for displaying tare, gross and net weights : de en
  • US2283312A - Rock bit : en
  • US2283869A - Oil regulating means for sewing machines : en
  • SE104537C1 - : sv
  • GB545376A - Improvements in calorimeters : en
  • FR871855A - Method for recognizing that an internal combustion engine is ready to operate at full load : en fr
  • GB545333A - Improvements in or relating to gas burners : en
  • FR871932A - Regulated pad with protective shell : en fr
  • CA404919A - Nitrogenous condensation product : en fr
  • DE720928C - Process for the production of knock-proof petrol : de en
  • DE721095C - Summation device for automatic decimal place-wise blank writing of counters : de en
  • CA404821A - Luminescent material : en fr
  • US2283447A - Press brake : en
  • US2283651A - Piston for internal combustion engines : en
  • US2283288A - Governor : en
  • US2283408A - Bearing for water meters : en
  • CA404813A - Stamped or punched article rust-proofing apparatus : en fr
  • US2283634A - Beam locking device : en
  • DE720612C - Alarm clock with device for shortening the time between triggering and re-locking of the alarm clock : de en
  • US2283409A - Preparation of felt : en
  • US2283419A - Thread guide for thread winding machines : en
  • CA404863A - Double-walled insulated container for tank car : en fr
  • US2283760A - Duplex signaling system : en
  • USD132427S - Design for an over-bed table : en
  • CA404816A - Metal tube making apparatus : en fr
  • DE720956C - Device for guiding sheets through Saeurebaeder u. Like. Using pairs of rollers : de en
  • US2283179A - Soil pipe hub clamp : en
  • US2283567A - Welding torch : en
  • US2283564A - Drilling mud : en
  • US2283332A - Four-wheel truck : en
  • US2283225A - Beach locker : en
  • US2283875A - Soap holder : en
  • US2283759A - Transmission : en
  • USD132463S - Design fob a compound tool : en
  • US2283164A - Spark plug : en
  • US2283490A - Cap or closure member for valve stems : en
  • CA404920A - Pork loin wrapping method : en fr
  • GB545246A - Improvements in or relating to workshop trestles and the like : en
  • CA404803A - Vacuum cleaner : en fr
  • US2283701A - Circuit interrupting element : en
  • AU115102B2 - Improvements in permeability tuned loop antennae : en
  • DE721007C - Process for improving cultivated soils : de en
  • FR871969A - Device for cutting endless artificial fibers : en fr
  • GB545284A - Improvements relating to gyroscopic apparatus : en
  • CA404770A - Latching device : en fr
  • US2283454A - Socket for tube lamps : en
  • US2283470A - Hydraulically self-operated earth moving scraper : en
  • US2283512A - Flotation fruit separator : en
  • US2283195A - Adjustable motor pump : en
  • FR871947A - Process for the purification of gas, particularly gas from the distillation of coke ovens : en fr
  • CA404894A - Stencilling machine : en fr
  • US2283281A - Valve : en
  • GB545291A - Improvements in or relating to bearings, particularly a combined radial and thrust bearing unit : en
  • CA404924A - Radio receiver : en fr
  • US2283565A - Typewriting machine : en
  • FR871843A - Hydrodynamic torque transformer : en fr
  • FR871930A - Method and means of joining metal parts using non-ferrous metal fittings : en fr
  • GB545369A - Improvements relating to oil retaining and dirt-excluding seals for use in machinery : en
  • FR871982A - Method for synchronizing the image and sound of cinematographic apparatus and needle-operated sound recorders-reproducers arranged independently of one another : en fr
  • US2283644A - Control system : en
  • US2283242A - Injection fuel system : en
  • US2283295A - Process of purifying glass sands : en
  • FR871830A - Process for making small lined tubes : en fr
  • US2283325A - Centrifugal clutch : en
  • DE720864C - Device for separating mixed fluids of different specific gravity : de en
  • DE720916C - Switching device for roll films : de en
  • US2283280A - Collapsible tap : en
  • US2283358A - Electrically controlled hydraulic press : en
  • US2283528A - Pickup divider attachment for grain binders : en
  • US2283730A - Method of testing pipes : en
  • DE720894C - Winding arrangement for high frequency purposes : de en
  • FR871806A - Method and device for welding chain links by the resistance method : en fr
  • US2283481A - Adjusting cutter assembly : en
  • US2283492A - Cell case machine : en
  • SE104543C1 - : sv
  • US2283778A - Electric tool : en
  • US2283393A - Reeling or spooling device and method of reeling wire and other materials : en
  • US2283724A - Keying circuit : en
  • FR871936A - Improvements to the processes and means for cutting, grouping, gluing, if necessary, counting or totaling tickets or vouchers, in particular for rationed products : en fr
  • US2283383A - Signaling system : en
  • US2283865A - Shaving machine : en
  • USD132455S - Design for a pin or similar article : en
  • GB545260A - Improvements in or relating to electrical signalling systems : en
  • US2283485A - Reclining seat mechanism : en
  • DE721074C - Converters with valve sections and these upstream switching contacts : de en
  • USD132478S - Design for a leather or similar article : en
  • GB545321A - Improvements in amplifying hearing aids : en
  • GB545268A - Improvements in or relating to machines for pressure casting of metals : en
  • US2283787A - Pavement joint : en
  • GB545266A - Improvements in and relating to dynamo-electric machines : en
  • US2283514A - Tool and holder structure : en
  • US2283632A - Automatic step motor switch locked heat regulator : en
  • DE720952C - Housings for internal combustion engines : de en
  • GB545288A - Improvements in or relating to the sterilisation of suture materials of animal origin, particularly catgut : en
  • GB545323A - Improvements in pumps : en
  • FR871866A - Bifurcated or branched tube : en fr
  • FR871994A - Zinc buckets manufacturing process : en fr
  • US2283872A - Varnish manufacture : en
  • FR871949A - Process for the preparation of quinine phenolsulfonates : en fr
  • US2283359A - Overhead conveyer trolley : en
  • US2283264A - Nonskid device : en
  • US2283568A - Ultra high frequency system : en
  • US2283237A - Halogenation of saturated aliphatic nitriles : en
  • US2283573A - Method of waterproofing and preventing efflorescence of mortar in masonry : en
  • US2283739A - Goggle frame : en
  • US2283499A - Catalytic process : en
  • US2283660A - Hat forming and preserving device : en
  • US2283411A - Process for preparing sterol degradation products : en
  • DE720937C - Process for the production of therapeutically valuable gold compounds from keratin breakdown products : de en
  • US2283668A - Syringe appliance : en
  • US2283884A - Purification of metal halide fluxes : en
  • US2283662A - Excitation control system : en
  • USD132442S - Design for an eye shield : en
  • USD132445S - Design for a pin or similar article : en
  • FR871974A - Testing machine for compact and corrugated board and woody or crumbly texture materials : en fr
  • FR871873A - Improvements to direction indicating devices of an electromagnetic wave transmitter : en fr
  • US2283226A - Method and means for defining contours from stereoscopic photographs : en
  • US2283386A - Air conditioning system : en
  • US2283442A - Periodic switch : en
  • USD132485S - Cashin dress ensemble : en
  • US2283572A - Pipe cutter : en
  • AU115108B2 - Improvements in and relating to heating systems for aircraft andthe like : en
  • US2283199A - Detergent : en
  • GB545337A - A long handled fork designed to effect a better cultivation of the soil and to eliminate clogging between the prongs : en
  • GB545276A - Improvements in or relating to high-voltage overhead powertransmission lines : en
  • US2283658A - Combustion means : en
  • US2283741A - Control system : en
  • DE720945C - Powdered detergent containing sodium metasilicate : de en
  • DE720908C - Two-stroke internal combustion engine with several cylinders arranged next to one another on a scavenging air receiver : de en
  • GB545372A - An improved table or trolley for surgical appliances : en
  • US2283592A - Printing machine : en
  • USD132434S - Design for a pin or similar article : en
  • FR871957A - Reversing mechanism of the direction of travel, particularly applicable to gear machining machines : en fr
  • DE720993C - Toy convertible or similar toy vehicle with front axle drive and sheet metal cap : de en
  • DE720861C - Spool or spindle holder : de en
  • DE720975C - Discharger for the trouble-free discharge of electrostatic charges from aircraft : de en
  • DK59787C - Air supply device for carburetors for air-cooled internal combustion engines. : da en
  • DE720963C - Paint scraper with exchangeable three-bladed blade : de en
  • DE720895C - Arrangement for displaying the power absorbed by the transmitting antenna within a large measuring range and independent of the frequency : de en
  • DE721031C - Belt grinding machine for tool handles : de en
  • FR871889A - Pin for electrical outlet : en fr
  • US2283754A - Automatic banking means for airplane gyro pilots : en
  • DE720973C - Conversation counter : de en
  • DE720982C - Cooking or baking vessel : de en
  • DE720997C - Process for cleaning magnesite rocks : de en
  • DE721055C - Arrangement for generating mutually shifted pulse trains : de en
  • DK59789C - Particulate matter filter. : da en
  • US2283210A - Container key : en
  • AT160815B - Process for the production of copolymers. : de en
  • AT160836B - Method and device for processing magnesium and its alloys in press casting machines. : de en
  • US2283677A - Localizer beacon : en
  • CA404767A - Basic refractory : en fr
  • US2283785A - Wiring system for motor vehicles : en
  • US2283845A - Method of making variegated balls : en
  • US2283368A - Automatically reclosing circuit breaker : en
  • US2283251A - Apparatus for use in the cutting of laminated safety glass : en
  • US2283455A - Spreader for asphalt and the like : en
  • US2283788A - Bombing camera : en
  • USD132474S - Bausch etal binocular or the like : en
  • CA404797A - Medicinal compound : en fr
  • US2283790A - Fireplace construction : en
  • CA404887A - Dried egg material reconstitution : en fr
  • CA404818A - Electric incandescent lamp : en fr
  • CA404807A - Spherical cable fitting : en fr
  • CA404817A - Draft gear : en fr
  • AT160810B - Vertical annealing furnace for tempering objects made of alloys of copper or aluminum. : de en
  • US2283186A - Thiazane-j : en
  • US2283222A - Rifling tool : en
  • US2283547A - Salt dispenser : en
  • US2283610A - Telephone system : en
  • US2283801A - Self-sealing pneumatic inner tube : en
  • US2283810A - Control valve : en
  • US2283885A - Automatic testing gauge : en
  • CA404895A - Metal netting : en fr
  • CA404822A - Short wave radio transmitter : en fr
  • GB545300A - Improvements in or relating to vacuum-flasks and the like : en
  • CA404832A - Temperature responsive variable reactance : en fr
  • DE720947C - Process for the production of sterol solutions : de en
  • US2283589A - Agent for accentuating perfumes and food flavors and process for producing the same : en
  • AT160835B - Magnesium alloy. : de en
  • AT160834B - Process for the preparation of polyunsaturated compounds of the cyclopentanopolyhydrophenanthrene series. : de en
  • DE720930C - Process for hardening proteins : de en
  • DE720868C - Method for rewriting optical sound recordings : de en
  • USD132438S - Design for a pin or similar article : en
  • US2283478A - Robot for motor vehicles : en
  • US2283550A - Apparatus for beveling the heel portions of shoe insoles : en
  • US2283826A - Electric welding mechanism : en
  • DE720961C - Saddle for bicycles, motorcycles and similar vehicles : de en
  • FR871802A - Process for manufacturing organic combinations containing sulfur : en fr
  • CA404810A - Road machine screed : en fr
  • US2283391A - Cooling and dehumidifying apparatus : en
  • US2283763A - Refrigeration : en
  • CA404801A - Faucet valve : en fr
  • US2283501A - Printing machine : en
  • CA404855A - Air conditioning device : en fr
  • DE720936C - Process for the production of nitrogen-containing condensation products : de en
  • CA404835A - Ignition device for safety fuses : en fr
  • US2283530A - Garment hanger : en
  • US2283883A - Method of preparing oligodynamic filters : en
  • GB545366A - Improvements in windscreen wipers : en
  • FR871917A - Gas cylinder : en fr
  • CA404859A - Rubber valve stem : en fr
  • CA404928A - Power driven shampooing device : en fr
  • FR871839A - Accelerator for automatic firearm breech blocks : en fr
  • GB545264A - Improvements in electric lighting fittings : en
  • US2283434A - Variable ratio transmission mechanism : en
  • DE721075C - Circuit arrangement for the periodic control of the ignition of tubes filled with ionized gas : de en
  • US2283590A - Multiple operated fastener : en
  • CA404773A - Extension splint : en fr
  • US2283551A - Vibratory electric motor apparatus : en
  • DE720887C - Optical voting indicator for receiver : de en
  • US2283791A - Extrusion machine cylinder or container : en
  • US2283508A - Refrigeration car construction : en
  • CA404825A - Thiazinocyanine dye : en fr
  • DE720303C - Arrangement for generating short electrical waves : de en
  • GB545280A - Improvements in absorption refrigerating machines : en
  • DE720959C - Process for making copies with the aid of light-sensitive iron salts : de en
  • DE721082C - Control device for setting the input voltage of a condenser oxygen device : de en
  • GB545386A - Improvements in or relating to stoppers for bottles and like containers : en
  • GB545339A - Improvements in and relating to gas combustion heat radiating devices : en
  • GB545313A - Improvements in electric signal transmission systems : en
  • GB545334A - Improvements in and relating to arched concrete constructions : en
  • FR871871A - Regulator and mixer device for acetylene gas operation of internal combustion engines : en fr
  • FR871995A - Method and apparatus for channeling fluids : en fr
  • US2283418A - Display device : en
  • US2283772A - Retaining disk holder : en
  • US2283833A - Suction cleaner : en
  • US2283843A - Pneumatic tire : en
  • USD132500S - Design fob a dress : en
  • AU107041A - Improvements in and relating to producer gas generators : en
  • CA404913A - Transmission line system : en fr
  • DE721032C - Method and device for vulcanizing rubber works : de en
  • DE721071C - Circuit arrangement for amplitude modulation in television : de en
  • CA404840A - Elevator control system : en fr
  • US2283558A - Electrically conductive paper and method of producing the same : en
  • FR871999A - Method and device for dressing animal hair : en fr
  • GB545290A - Improvements in dry cells and method of making the same : en
  • AU115106B2 - Apparatus for dispensing liquid : en
  • DE720866C - Small electric alternator : de en
  • US2283394A - Cigarette machine : en
  • GB545403A - Improvements in needled fabrics and the method of manufacturing such fabrics : en
  • GB545382A - An improved process for the nuclear methylation of phenols : en
  • AU115101B2 - Process forthe conversion of refuse into a humus fertilizer material : en
  • DE720957C - Process for the production of cranked components, in particular crankshafts, from metals which become plastic when heated : de en
  • US2283407A - Heater : en
  • US2283439A - Accumulator diaphragm : en
  • US2283443A - Wrecking crane : en
  • US2283690A - Base attachment for telephones : en
  • CA404902A - Inserted tooth abrasive wheel : en fr
  • CA404806A - Sanitary container : en fr
  • CA404823A - Heat insulating material : en fr
  • CA404792A - Burnishing tool : en fr
  • US2283448A - Refrigerator lid : en
  • US2283625A - Drill bit wrench : en
  • CA404877A - Polyvinyl halide composition : en fr
  • CA404884A - Railway truck hydraulic shock absorber : en fr
  • USD132457S - Design for a pin or similar article : en
  • US2283257A - Wall insulation : en
  • US2283664A - Graphitic steel : en
  • US2283298A - Biscuit machine : en
  • US2283517A - Hair curler : en
  • USD132465S - Grip for hammer handles and like articles : en
  • AU115122B2 - Improvement in amplitude-limiting signal-translating channel : en
  • US2283171A - Colored steel : en
  • US2283871A - Bearing : en
  • DE721045C - Method and device for the production of a warpable sliver from synthetic threads : de en
  • GB545310A - Improvements in and relating to sachets for use in hair-waving : en
  • CA404768A - Glue drying process : en fr
  • US2283192A - Method of utilizing emulsions : en
  • US2283276A - Photographic composition containing arylides of n-heterocyclic acylacetic acids and process of developing photographic images therewith : en
  • CA404845A - Copper base alloy : en fr
  • CA404890A - Tampon applicator : en fr
  • US2283247A - Hog restraining device : en
  • US2283543A - Hair dresser's pin support : en
  • DE720921C - Spring strut for aircraft : de en
  • US2283296A - Valve mechanism : en
  • USD132489S - Design for a dress : en
  • GB545383A - Temperature regulator : en
  • CA404780A - Putty applicator : en fr
  • CA404875A - Paper holding and tensioning device : en fr
  • CA404882A - Fender shield : en fr
  • CA404889A - Statistical machine : en fr
  • US2283278A - Sock : en
  • US2283480A - Decalcomania : en
  • US2283189A - Electric discharge lamp : en
  • US2283381A - Locking circuit : en
  • CA404787A - Combined plow and harrow : en fr
  • CA404901A - Grinding wheel : en fr
  • US2283265A - Yarn winding machinery : en
  • US2283449A - Garlic separator : en
  • US2283384A - Battery retainer for electric hand lanterns : en
  • AU115118B2 - Variable angle junction for pipes : en
  • US2283863A - Rocket engine : en
  • US2283375A - Calculator : en
  • US2283452A - Gyratory valve disk : en
  • US2283462A - Golf ring cup : en
  • US2283601A - Indicator mechanism for tires : en
  • USD132423S - Heat exchange unit : en
  • US2283805A - Dusting machine : en
  • US2283840A - Automatic phonograph : en
  • GB545391A - Improvements in and relating to electric measuring instruments : en
  • US2283360A - Inclined thermometer : en
  • US2283507A - Flash removing machine : en
  • US2283574A - Panel securing means : en
  • US2283525A - Salinity indicator and alarm : en
  • FR871942A - Process for the preparation of ketones of the cyclopentano-polyhydrophenanthrene series : en fr
  • GB545402A - Improvements in or relating to electrical energy transference systems : en
  • FR871985A - light metal riveting nut with flanges for aircraft construction : en fr
  • GB545312A - A method of and apparatus for the production of magnesium : en
  • DE720944C - Holder for quartz or other piezoelectric crystals with a variable air gap between the crystal and the electrodes : de en
  • US2283727A - Method and means for safely servicing thermionic apparatus : en
  • US2283583A - Amusement device : en
  • GB545346A - Ink distribution systems for letter-press printing machines : en
  • DK59791C - Flashing Taillight for Bicycles. : da en
  • FR871869A - Tube socket : en fr
  • FR871863A - Cyclotronic device : en fr
  • FR871900A - Automatic acetylene generator : en fr
  • GB545316A - Improvements in and relating to an electric vacuum cleaner : en
  • US2283331A - Bung forming apparatus : en
  • DE721005C - Process for the application of symbols and characters on relief models : de en
  • DE720926C - Paper guiding device on typewriters and similar machines : de en
  • US2283385A - Dental articulator : en
  • US2283811A - Ash relief door : en
  • FR871894A - Vault and other parts subject to great fatigue, in siemens-martin furnaces and other metallurgical furnaces : en fr
  • DE720992C - Vehicle toys as toy armored cars etc. with a metal caterpillar : de en
  • GB545286A - Process for the manufacture of condensation products from alkylated 1,4-napthohydroquinones : en
  • FR871938A - Alternating current rectifier with vibrator for accumulator charging : en fr
  • GB545407A - Improvements in and relating to gasket for refrigerator cabinets or the like : en
  • FR871915A - Call transmission in multiple carrier frequency installations : en fr
  • US2283881A - Apparatus for making screen cloth : en
  • US2283896A - Cathode structure : en
  • USD132433S - Design for a knob fob stoves or the like : en
  • DE720851C - Machine set consisting of a water turbine and an electric generator : de en
  • GB545335A - Improved cutting attachment for use in conjunction with extrusion machines : en
  • DE720970C - Arrangement for regulating the operation of a high-pressure flow tube steam generator : de en
  • DE720990C - Corkscrew pocket knife : de en
  • FR871826A - Cooling device : en fr
  • GB545267A - Improvements in and relating to apparatus for separating dust and other suspended matter from air and other gases or vapours : en
  • DE721003C - Process for the production of humic alkali compounds from alkaline lignite extracts and sulphite waste liquor : de en
  • GB545353A - Improvements in or relating to hydraulic gun-firing mechanism : en
  • FR871958A - Device for controlling the milling chuck in the swivel head of gear wheel milling machines : en fr
  • GB545358A - Improvements in or relating to semi-indirect lighting fittings : en
  • US2283336A - Vulcanization of rubber : en
  • US2283892A - Water closet seat : en
  • FR871918A - Method of manufacturing thick-walled steel hollow bodies by means of centrifugation shells subdivided in the transverse direction : en fr
  • US2283802A - Fabric making machine : en
  • US2283227A - Feeding device : en
  • US2283674A - Escutcheon for auto doors : en
  • US2283413A - Phototube and method of manufacture : en
  • US2283523A - Scanning radio receiver : en
  • US2283587A - Method and apparatus for registering superimposed printings : en
  • US2283695A - Hydraulic control mechanism : en
  • US2283255A - Device for cutting and stacking thin sheet material : en
  • FR871907A - Method of mounting shoes with wooden soles and shoes obtained by this method : en fr
  • US2283496A - Apparatus for controlling fuel supply to furnaces and the like : en
  • FR871862A - two-lip peeler : en fr
  • GB545285A - Improvements in and relating to epicyclic gearing : en
  • FR871858A - New rubberized product and inner tube made with this product : en fr
  • FR871854A - Annular valve : en fr
  • US2283159A - Paper board folding machine and method : en
  • GB545341A - Machinery packing and methods of making same : en
  • US2283258A - Method of and means for producing sheet metal joint locks and the like : en
  • US2283403A - Electric scissors : en
  • US2283799A - favalora : en
  • DE721099C - Process for enamelling metal objects : de en
  • US2283510A - Method of drilling wells : en
  • US2283299A - Manufacture of steel : en
  • USD132453S - Design fob a pin ob similar article : en
  • FR871808A - Rope or chain hoist : en fr
  • DE720854C - Device for setting a number of different usage temperatures for gas-heated baking and roasting ovens : de en
  • DE721066C - Disc exposed to lateral overpressure, in particular radially loaded blade or labyrinth carrier, for centrifugal machines, preferably steam or gas turbines : de en
  • DK59779C - Banknote Issuing Machine for the Registration of Data relating to Connections in Telephone Systems or Similar Remote Signaling Systems. : da en
  • FR871820A - Process for producing adherent coatings, compositions intended for its implementation and products obtained according to this process : en fr
  • DE721020C - Process for the preparation of polymethine dyes : de en
  • DE720942C - Carbon pressure regulating resistor, especially for sewing machine drives : de en
  • DE721089C - Seat and deck chair : de en
  • US2283300A - Air shotgun : en
  • US2283405A - Electric socket : en
  • US2283402A - Thresher : en
  • US2283539A - Method for the manufacture of solid polymers of vinyl aromatic compounds : en
  • DE720904C - Device for adjusting telescopes using optical wedges : de en
  • GB545296A - Improvements in and relating to servo-motor controlling systems for vehicles, such as aircraft : en
  • USD132430S - Design fob a spuing clip : en
  • DE720913C - Method and device for emptying chocolate molds : de en
  • FR871913A - Process for the production of a product similar to linoleum using substances extracted from the peels of tomatoes : en fr
  • GB545273A - Improvements relating to gas cookers : en
  • AT160806B - Electric melting furnace movable around its axis. : de en
  • USD132448S - Design fob a pin ob similar abticle : en
  • CA404851A - Hair waving method : en fr
  • CA404864A - Double-walled insulated tank car : en fr
  • US2283513A - Hot water storage system and pilotoperated relief device therefor : en
  • US2283607A - Muffler device : en
  • US2283509A - Electric switch : en
  • US2283254A - Well tool : en
  • US2283346A - Blowpipe machine : en
  • US2283729A - Means for safely servicing thermionic apparatus : en
  • USD132429S - Design for a necktie : en
  • US2283263A - Pump : en
  • US2283476A - Electrically operated retractable and extensible telescopic strut : en
  • US2283614A - Pin setter unit : en
  • US2283637A - Brake head lug and socket wear element : en
  • US2283451A - Method of reconditioning boilers : en
  • US2283570A - Drop-side crib : en
  • US2283774A - Feathering-blade propeller : en
  • DE721029C - Sofa bed or armchair with pull-out seat part and backrest that can be folded forward : de en
  • USD132458S - Design fob a cosmetic case : en
  • US2283437A - x c chacl : en
  • US2283604A - Method of making sponge rubber : en
  • USD132439S - Design fob a pest or similar article : en
  • US2283197A - Self-oiling pump jack : en
  • US2283608A - Brake control means : en
  • US2283673A - Friction coupling : en
  • US2283768A - Shower pipe cleaning device : en
  • DK59795C - Procedure for the production of hollow bodies with continuous cavities. : da en
  • DE720980C - Tooth root post for synthetic resin teeth : de en
  • AT160824B - Process for the preparation of unsaturated oxyketones of the cyclopentanopolyhydrophenanthrene series. : de en
  • US2283852A - Production of isoparaffins : en
  • US2283353A - Varnish composition : en
  • US2283361A - Color-photographic material : en
  • US2283581A - Lubricant : en
  • FR871908A - Improvements to toothed wheel and worm gear transmissions : en fr
  • US2283707A - Torque wrench : en
  • US2283737A - Paint mixing device : en
  • USD132488S - Design for a skirt and jacket ensemble : en
  • US2283230A - Filling device for shells : en
  • US2283656A - Circuit interrupter : en
  • DE720950C - Process and furnace for melting and luting glass and other refractory materials by means of an electric current : de en
  • FR871828A - Receiver whose low frequency part is used for amplifying sound discs : en fr
  • DE720996C - Loom picker : de en
  • US2283731A - Coupler operating mechanism for dump cars : en
  • CA404850A - Switch operating mechanism : en fr
  • FR871833A - Progressive Firearm Feeder : en fr
  • DE720878C - Borehole inclinometer : de en
  • DE720958C - Drive for the gripper of overlock sewing machines : de en
  • GB545258A - Improvements in or relating to apparatus for sintering ores and the like : en
  • US2283578A - Baseball game : en
  • US2283803A - Self-attaching patch for wire cloth or screens : en
  • USD132469S - Design for a knapsack bunting : en
  • CA404779A - Spectacles : en fr
  • US2283825A - Shaker conveyer trough and connecting means therefor : en
  • DE720999C - Gas self-igniter : de en
  • US2283459A - Girdle supporting means : en
  • USD132502S - Design fok a dress : en
  • AT160855B - Process to convert metals, metal alloys and metal compounds such as oxides, sulfides, etc. via the vapor form into technically usable solids e.g. B. transferring metal oxides. : de en
  • US2283636A - Wear elements for brake hanger brackets : en
  • US2283436A - Combined guard and towing device : en
  • US2283488A - Bean washer : en
  • US2283886A - Reciprocating electric motor : en
  • US2283458A - Process for making resinous condensation products : en
  • US2283732A - Lock switch coil : en
  • CA404934A - Signalling circuit : en fr
  • FR871981A - Artificial casing for sausages, sausages and similar products : en fr
  • GB545304A - Improvements relating to telephone systems : en
  • DE720927C - Magnetic electron lens : de en
  • DK59790C - Automatic acting Stop light for Bicycles. : da en
  • DE721052C - Oven head seal for coke stoves : de en
  • US2283188A - Electric furnace : en
  • US2283728A - Transformer means permitting safe : en
  • USD132497S - Design for a dress ensemble : en
  • USD132421S - Combination support and standard for chick fount base and receptacle : en
  • USRE22098E - Flanged wall coping : en
  • US2283185A - Diesel engine starter : en
  • AU148641A - Improvement in amplitude-limiting signal-translating channel : en
  • AU115127B2 - Means for discharging air from and drawing air into a sunken submarine : en
  • US2283819A - Oil burner : en
  • CA404785A - Roof construction : en fr
  • CA404791A - Valve or cock : en fr
  • US2283464A - Automobile bumper guard : en
  • US2283466A - Process for stereoscopic motion pictures in colors : en
  • DK59793C - Device for hydraulic glass grinders for regulating the grinding pressure. : da en
  • US2283672A - Pipe connection for plugs and the like : en
  • US2283857A - Dumping truck lift : en
  • CA404858A - Chloride removal from amino acids : en fr
  • DE720875C - Braking device for vehicles with a continuously changing transmission ratio in the brake rods which causes a substantially constant braking force : de en
  • FR871809A - Door closer with additional pushing device : en fr
  • US2283378A - Temperature indicator : en
  • US2283424A - Cylinder liner sleeve : en
  • US2283484A - Armor : en
  • US2283796A - Fire extinguisher : en
  • US2283839A - Rubber insulated bearing unit : en
  • US2283874A - Circuit breaker : en
  • DE721093C - Device for recording the knocking behavior of internal combustion engines : de en
  • DE720965C - Electric toy train : de en
  • DE720988C - Device for pressing, embossing, drawing, forming, etc. Like. Of items made of cardboard, especially fruit or meat bowls made of fiber material : de en
  • US2283483A - Separator : en
  • FR871963A - Electro-magnetic dynamo, in particular for lighting bicycles and similar vehicles : en fr
  • GB545283A - Manufacture of new azo-dyestuffs and intermediate products : en
  • CA404909A - Positioning device for radio receivers : en fr
  • US2283373A - Spool holder : en
  • US2283352A - Lighting device : en
  • US2283347A - Portable tool carriage : en
  • CA404811A - Slicing machine : en fr
  • DE720883C - Chain pulling device for conveyor wagons : de en
  • AU115119B2 - An improved electrically operated shaving device : en
  • AU132841A - An improved electrically operated shaving device : en
  • US2283848A - Douche apparatus : en
  • USPP516P - howard : en
  • CA404879A - Piston ring : en fr
  • CA404800A - Punch for metals : en fr
  • US2283531A - Vitamin food product and process of producing the same : en
  • US2283390A - Egg holding device : en
  • US2283714A - Cup assembly for pitting machines : en
  • US2283830A - Inking mechanism : en
  • US2283781A - Toothbrush assembly for liquid dentifrices : en
  • FR871989A - Darkening device for vehicle headlights : en fr
  • US2283593A - Hydraulic bumper jack : en
  • US2283652A - Liquid dispensing apparatus : en
  • US2283306A - Shoe-treating apparatus : en
  • US2283882A - Apparatus for making screen cloth : en
  • FR871892A - Method and apparatus for peeling crustaceans : en fr
  • US2283327A - Azo dyestuffs : en
  • US2283579A - Apparatus for planing coated strip : en
  • US2283562A - Vaporizing apparatus : en
  • US2283626A - Holder for tape sections : en
  • US2283647A - Electric valve control system : en
  • AT160852B - Method and device for the evaporation and incineration of waste liquor. : de en
  • FR871920A - Subjugation of a mobile to follow a previously determined route : en fr
  • FR871998A - Wheel cowl usable as landing flap : en fr
  • CA404781A - Wrench : en fr
  • US2283335A - Vulcanization of rubber : en
  • US2283605A - Valve : en
  • US2283767A - Yarn tension device : en
  • AU130841A - Improvements in electron discharge devices : en
  • DE721021C - Process for the production of dyes : de en
  • GB545371A - Improvements relating to convertible furniture : en
  • GB545375A - Improvements in or relating to means for charging grass or the like on to a platform : en
  • US2283518A - Pigmented oil gel and method of making : en
  • USD132475S - Design fob a self-service display case : en
  • CA404932A - Angular tab guide : en fr
  • US2283204A - Finishing machine : en
  • US2283762A - Paint spray nozzle : en
  • US2283866A - Drilling rig : en
  • US2283842A - Hydraulic coupling : en
  • FR871844A - Support frame for acetylene generators, or others, on motor vehicles : en fr
  • US2283688A - Process for molding colloidal matters : en
  • DE720879C - Roller drill : de en
  • US2283387A - Railway draft rigging : en
  • US2283289A - Grinding apparatus : en
  • US2283308A - Shipping apparatus : en
  • USD132494S - Design for a cap : en
  • AU171141A - Apparatus for dispensing liquid : en
  • CA404772A - Bust and figure constructing means : en fr
  • US2283532A - Thermally adjustable meter : en
  • FR871812A - Device for television cameras : en fr
  • DE720900C - Optical device for microscopes : de en
  • US2283398A - Electric circuit molding : en
  • US2283751A - Method and apparatus for forming hollow articles from organic plastic material : en
  • US2283323A - Apparatus for cutting valve seats : en
  • US2283761A - Seat adjuster : en
  • US2283820A - Method for making molded lignocellulosic products : en
  • US2283606A - Twin bank engine : en
  • US2283315A - Spray nozzle : en
  • DE720938C - Radial centrifugal machine, preferably steam or gas turbine : de en
  • GB545274A - Improvements in or relating to packing or piston rings : en
  • GB545344A - Improved window assembly for motor vehicles : en
  • GB545362A - Improvements relating to die or relief stamping presses : en
  • US2283191A - Percentage calculator : en
  • US2283370A - Internal combustion engine : en
  • US2283420A - Method of finishing articles : en
  • USD132470S - Design fob a badge or the like : en
  • CA404783A - Spring clip : en fr
  • US2283750A - Apparatus for measuring the density of gases : en
  • AU131941A - Variable angle junction for pipes : en
  • DE720954C - Device for adjusting the ignition time : de en
  • US2283216A - Cathode for discharge tubes : en
  • US2283354A - Safety alarm : en
  • CA404862A - Double-walled insulated tank car : en fr
  • US2283617A - Antenna : en
  • US2283229A - Mechanized cleaning device : en
  • US2283369A - Diaphragm valve : en
  • US2283313A - Hydraulic motor : en
  • US2283770A - Soap and water mixer : en
  • US2283214A - Washing, wetting, and emulsifying agent : en
  • US2283689A - Pilot socket for radios : en
  • US2283269A - Power lawn mower equipment for direct connection to tractors : en
  • FR871877A - Anti-aircraft gun vehicle : en fr
  • USD132460S - Design foe a rosary decade ring : en
  • AU115114B2 - Improvements inthe gauging of internal screw threads : en
  • US2283618A - Radio antenna system : en
  • AT160847B - Circuit arrangement for telephone systems with dialer operation and several exchanges. : de en
  • CA404852A - Hair waving method : en fr
  • US2283861A - Vibration damping device : en
  • CA404846A - Copper base alloy : en fr
  • AU115103B2 - Improved method and means for mixing liquid fuels for use in internal combustion engines : en
  • DE721017C - Rotary switch with roller jump mechanism : de en
  • DE721058C - Arrangement for periodic switching of the current of electrical resistance welding machines by means of grid-controlled discharge paths : de en
  • CA404904A - Loud speaker manufacture : en fr
  • FR871991A - Joining the tubular drill rods : en fr
  • FR871993A - Provision for amplification adjustment : en fr
  • GB545398A - Safeguarding means for machines for breaking-up, opening, feeding or working cotton waste or other fibrous materials : en
  • DE721043C - Zierstuecke with decorative inserts lying under a transparent cover layer in depressions : de en
  • US2283261A - Yellow azo dyestuffs : en
  • US2283559A - Hand lamp : en
  • FR871953A - Switching system for alternating current switching devices : en fr
  • FR871905A - Spar for aerial exercise bombs or the like of cement, etc. : en fr
  • GB545406A - Improvements in suction rolls for paper-making and like machines : en
  • CA404935A - Ferro-magnetic device : en fr
  • AT160842B - Process for the manufacture of rubber articles. : de en
  • CA404828A - Lens mount : en fr
  • GB545281A - Improvements in or relating to high-voltage overhead powertransmission : en
  • GB545355A - An improved manufacture of lubricants : en
  • US2283597A - Associating mechanism for printing machines : en
  • FR871903A - Method and device for destroying pests in articles of clothing or furniture : en fr
  • US2283738A - Electrical regulating system : en
  • AT160828B - Device for the optional use of a vehicle for wheel or caterpillar operation. : de en
  • US2283283A - Pneumatic stop motion for spinning and twisting machines : en
  • US2283745A - Regulating device for furnaces or the like : en
  • AU133541A - Means for discharging air from and drawing air into a sunken submarine : en
  • US2283504A - Means for severing disks from webs : en
  • US2283563A - Treatment of wells : en
  • US2283748A - Switch : en
  • FR871973A - Device for checking the earthing conductor, in particular in machines, equipment and mobile electrical devices : en fr
  • FR871987A - Lighting installation by luminescent tubes : en fr
  • GB545259A - Improvements in or relating to the cutting of sheet material : en
  • AU292741A - Improvements relating to catalytic heaters : en
  • CA404933A - Harrow lift : en fr
  • FR871814A - Wire tie : en fr
  • FR871943A - Process for the preparation of therapeutically active sulfanilic acid amides : en fr
  • AT160807B - Method of making multicolor images. : de en
  • GB545308A - Improvements in and relating to fastening devices such as buckles and the like : en
  • US2283769A - Eye reaction testing : en
  • GB545315A - Improvements in means for impregnating and coating sheet material : en
  • US2283183A - Method of producing self-sealing tubes : en
  • US2283287A - Electric lamp and terminal device : en
  • US2283339A - Clamping ring : en
  • CA404921A - Sound record reproducing, repeating and charting mechanism : en fr
  • AT160831B - Method and device for producing loose, fine-fiber masses. : de en
  • FR871811A - Piston compression die casting machine for metalworking : en fr
  • FR871852A - Two-part button : en fr
  • FR871986A - Improvements to cathode ray tubes : en fr
  • GR9870B - ALUMINUM MEN'S AND WOMEN'S SHOES AND HEELS. : el en
  • US2283302A - Food composition : en
  • CA404906A - Noise-limiting circuit for communication systems : en fr
  • CA404930A - Textile material : en fr
  • GB545314A - Improved mechanism for acting on dial pointers of wireless sets : en
  • DE721087C - Pyrometer inlet opening in metal furnaces : de en
  • DE720914C - Stacking device at the exit end of a wafer coater : de en
  • GB545385A - Improvements in or connected with thermal electric switches : en
  • FR871818A - Percussion fuze for rifled artillery projectiles : en fr
  • FR871902A - Device for changing the speed of parachutes in the descent : en fr
  • US2283505A - Metalworking press : en
  • CA404871A - Cloth printing apparatus : en fr
  • US2283627A - High molecular weight halogen-and sulphur-containing derivatives of hydrocarbon polymers : en
  • US2283894A - Ultra-high frequency tube : en
  • GR9869B - METHOD OF CONVERSION OF SORGOS IN FULL STARCH. : el en
  • DE720922C - Retraction device for landing gear legs of aircraft : de en
  • US2283233A - Fishing appliance : en
  • DE721042C - Straight pull lock for machine guns : de en
  • US2283256A - Cooking machine : en
  • FR871964A - Device for the production of metal coatings : en fr
  • DE720882C - Device for centrifuging turbine rotors : de en
  • CA404866A - Bottle washing machine : en fr
  • US2283379A - Dry battery : en
  • US2283600A - Footrest : en
  • US2283311A - Compensating means for pressure responsive devices : en
  • US2283253A - Apparatus for producing multiply glass sheet glazing units : en
  • US2283274A - Safety tire : en
  • CA404826A - Photographic dye : en fr
  • GB545390A - Improvements in or relating to gas producers : en
  • DE721059C - Radiant heating system with heating pipe coils embedded in the ceiling or floor : de en
  • US2283675A - Method for preventing intergranular oxidation in ternary beryllium alloys : en
  • GB545255A - Improvements in or relating to salt baths for the heat treatment of metals : en
  • GB545350A - Improvements in or relating to a roll film photographic camera : en
  • GB545367A - Improvements relating to the mounting of screw-threaded nuts and other members on a support : en
  • US2283220A - Azo compounds and material colored therewith : en
  • US2283576A - Clothesline support : en
  • US2283616A - Oscillographic method of frequency setting or measurement : en
  • US2283446A - Foot arch support : en
  • DE721049C - Pneumatic tool with shock absorption : de en
  • US2283691A - Tie stitching machine : en
  • US2283211A - Quinoline-azo compounds : en
  • US2283740A - Adhesive composition : en
  • DE720964C - Surface patterning device, especially for multi-colored patterning of surfaces : de en
  • US2283396A - Telephone coin collector : en
  • DE721062C - Method and devices for overcoming the resistance when pulling out components, in particular jacking pipes, piles and the like. like : de en
  • US2283314A - Hydrodental brush : en
  • US2283679A - Washing device : en
  • US2283203A - Semiautomatic control system : en
  • US2283217A - Bearing : en
  • US2283696A - Kerf-cutting mining machine : en
  • US2283526A - Latching device : en
  • US2283235A - Typewriting machine : en
  • US2283838A - Apparatus for cutting pastry strips : en
  • US2283771A - Hethod of kntting on straight-bar knitting machines : en
  • US2283800A - Electrode arrangement for glass furnaces or the like : en
  • GB545277A - Improvements in apparatus for the treatment of fabrics for preventing shrinkage thereof and/or for stretching same : en
  • GB545384A - Lens attachment for sewing machine lighting devices : en
  • FR871817A - Safety device for percussion rocket capsule : en fr
  • FR871933A - Improvements to amplifiers : en fr
  • US2283538A - Translating and recording device : en
  • US2283797A - Phonograph disk : en
  • DE720920C - Ski suspension on aircraft : de en
  • DE721068C - Low-pressure steam heaters, which are regulated by an expansion body and can be switched on and off by hand, especially for railroad cars : de en
  • US2283650A - Earth sampling equipment : en
  • US2283828A - Cover for sewing machines : en
  • DE720856C - Sealing plate, especially for internal combustion engines : de en
  • DE720871C - Horizontal fine boring machine with boring bar magazine : de en
  • DE720881C - Process for the separation of heavy metals such as zinc, cadmium and nickel from iron and sulphate-rich, metallurgical lyes : de en
  • FR871884A - New method of attaching add-ons to plastic objects : en fr
  • FR871874A - Improvements to radiation removal devices behind shortwave reflectors : en fr
  • GB545331A - Improvements in oil filters : en
  • US2283622A - Manufacture of iron and steel by the open hearth process : en
  • US2283706A - Protective system and device : en
  • US2283855A - Car spring snubber : en
  • FR871891A - Process for manufacturing a combination of sheets or layers of different types and products thus obtained : en fr
  • US2283666A - Warning agent : en
  • US2283682A - Dash pot : en
  • DE720889C - Direction finder : de en
  • GB545326A - Manufacture of polymeric materials : en
  • US2283598A - Illuminating apparatus : en
  • USD132454S - Design for a pin oe similar article : en
  • DE720850C - Mercury wiper relay operating through electrical heating or cooling of gases : de en
  • DE720977C - Device for setting the frequency response of a variable self-induction in high-frequency devices : de en
  • GB545322A - Improvements in or relating to pipe tongs and tong levers : en
  • USD132446S - Design for a pin or similar article : en
  • FR871880A - Rubber sole for sports shoes : en fr
  • GB545295A - Improvements in or relating to superchargers for internal combustion engines : en
  • FR871847A - Transmission mechanism, preferably multi-stage planetary gear drive : en fr
  • GB545303A - Improvements in and relating to cooking ranges : en
  • IE17452L - Stoppers for bottles, etc. : en
  • FR871996A - New treatment process for marine plants, simultaneous extraction of iodine, algin and vitamins contained : en fr
  • GB545319A - An improved remote control receiving apparatus operating according to the frequency of impulses method : en
  • FR871819A - Automatic weigher : en fr
  • FR871916A - Cooling site for rolled products : en fr
  • DE720910C - Roller bearings for high loads and high speeds, especially for motor vehicles : de en
  • CA404893A - Locomotive valve gear : en fr
  • GB545365A - Improvements in friction clutches : en
  • GB545401A - Amplitude range control in a signal transmission system : en
  • GB545318A - Improvements in pressure-reducing valve units : en
  • FR871848A - Small household electric stove : en fr
  • DE720885C - Compressed air brake for rail carriages that can be operated either by hand or by means of a pressure medium : de en
  • DE720939C - Intermediate channel of a line casting machine for inserting and forwarding manual composition : de en
  • GB545388A - Improvements relating to the operation of high pressure mercury vapour electric discharge lamps : en
  • US2283749A - Fine texture casting : en
  • DE721079C - Device for converting very high voltages and high powers with the help of arcs burning between electrodes : de en
  • GB545374A - Improvements relating to ignition apparatus for internal combustion engines : en
  • US2283827A - Strapping device : en
  • DE720884C - Six and multi-speed gear change gear for forward and reverse rotation : de en
  • DE720867C - Brake for crane drives : de en
  • USD132441S - Design for a spoon or similar article : en
  • US2283224A - Projectile : en
  • US2283642A - Slide fastened closure construction for sheer garments : en
  • DE721065C - Cloth laying machine with built-in measuring drum : de en
  • US2283649A - Cable connector : en
  • FR871849A - Independent wheel suspension for light vehicles : en fr
  • FR871939A - Use of certain vegetable by-products for the manufacture of a nitrogenous food having the same flavor as concentrated meat juice : en fr
  • FR871967A - Hollow conductor for electro-magnetic waves : en fr
  • US2283382A - Ratchet mechanism : en
  • US2283441A - Telephone stand : en
  • US2283494A - Method of making screw and washer assemblies : en
  • USD132435S - Design foe a pin ob similar article : en
  • US2283814A - Staple and method of stapling : en
  • USD132471S - Design fos a truck type concrete mixer : en
  • US2283250A - Manufacture of refractory materials : en
  • FR871919A - Process for the continuous manufacture of poly-condensation products for molding : en fr
  • US2283201A - Steam generator : en
  • US2283620A - High frequency energy distribution system : en
  • US2283755A - Article of furniture : en
  • GR9871B - FLOWING SYSTEM FLOWING WATER FOR IRRIGATION. : el en
  • FR871801A - Process for the continuous manufacture of rayon from viscose : en fr
  • CA404918A - Typewriter : en fr
  • FR872000A - Detonating device, used to imitate machine gun fire : en fr
  • CA404922A - Rotary pump shaft sleeve assembly : en fr
  • DE720858C - Vibrating mill for grinding all kinds of goods : de en
  • DK59784C - Pressure mechanism for scales with engagement of additional scales. : da en
  • FR871897A - Cast construction parts, high stretch limit, high strength and high toughness : en fr
  • US2283440A - Resilient joint construction : en
  • DE720909C - Thrust bearing segment for thrust bearings : de en
  • DE720953C - Crankshaft seal for internal combustion engines : de en
  • CA404777A - Building frame : en fr
  • AT160854B - Method for the representation of saturated and unsaturated descendants of the Pregnandion (3.20). : de en
  • US2283218A - Process of manufacturing bearings : en
  • US2283471A - Organic contact insecticide and its use : en
  • CA404775A - Tree branch holder : en fr
  • US2283571A - Method of making flour : en
  • US2283792A - Grinding and lapping machine : en
  • US2283357A - Self-oiling pump jack : en
  • US2283176A - Elastic fluid mechanism : en
  • US2283609A - Fan : en
  • US2283461A - Kerf-cutting machine : en
  • US2283643A - Making gas from oil : en
  • US2283806A - Centering tool : en
  • CA404769A - Railway track lubricating apparatus : en fr
  • AT160822B - Printing or display device for scales. : de en
  • CA404843A - Variable voltage motor control : en fr
  • US2283445A - Liquid fuel burner : en
  • US2283711A - Electrical winding : en
  • CA404927A - Road grading machine : en fr
  • US2283318A - Insole : en
  • US2283663A - Connector : en
  • US2283780A - Dispenser of solution and application thereof : en
  • US2283746A - Rack drive : en
  • AT160832B - Process for the preparation of polyhydric alcohols of the Aetiocholan series. : de en
  • US2283870A - Weaving machine : en
  • US2283399A - Means and method of testing spark coils : en
  • US2283506A - Motion transforming mechanism : en
  • US2283582A - Wall panel : en
  • US2283821A - Molded lignocellulosic material and method of making same : en
  • US2283758A - Process for calcining precipitated calcium carbonate and recovering co gas therefrom : en
  • US2283698A - Launderable multiply fabric : en
  • AT160813B - Device for the automatic setting of the transmission ratio, which results in the best efficiency in each case, of a transmission gear coupled with an internal combustion engine. : de en
  • CA404860A - Metal deseaming and desurfacing apparatus : en fr
  • CA404907A - Radio receiver remote control system : en fr
  • US2283355A - Reducing valve and flow regulator : en
  • US2283330A - Movement for wrist watches : en
  • US2283166A - Method of treating sewage material : en
  • AT160826B - Process for the preparation of derivatives of androstenediol. : de en
  • GB545393A - Liquid level gauge : en
  • US2283580A - Method of surfacing the bearing metal layer of composite bearing stock : en
  • AT160848B - Process for purifying coal tar oil. : de en
  • US2283841A - Clutch control mechanism : en
  • US2283345A - Blowpipe machine : en
  • US2283779A - Weighted casting float : en
  • USD132426S - Design fok a dustpan : en
  • DE720917C - Process for the production of light-sensitive layers for the diazotype : de en
  • AT160833B - Device for casting metals. : de en
  • GB545336A - Improvements in or relating to rotary printing presses : en
  • CA404865A - Double-walled insulated container : en fr
  • DE720949C - Process for the production of cell suspensions such as blood, tissue swabs and bacteria for examination in the electron microscope : de en
  • DE720991C - Electromagnetically controlled compressed air valve for remote control of firearms : de en
  • FR871925A - Frame with special profile for bicycles or sinilaires, its construction method and its auxiliary parts : en fr
  • CA404831A - Colour correction in printing multi-layer films : en fr
  • US2283654A - Brake : en
  • US2283813A - Can clamp or similar device : en
  • US2283178A - Diaper construction : en
  • CA404830A - Iodide sound track : en fr
  • US2283290A - Process for treating citrus fruits : en
  • US2283401A - Power driven carriage return mechanism : en
  • US2283752A - Eye shield : en
  • US2283891A - Prevention of interference in telephone circuits : en
  • DE720924C - Method and device for firing ceramic pipes, rods, or the like. : de en
  • US2283500A - Anchor davit : en
  • GB545378A - Improvements in or relating to blocking layer rectifiers : en
  • US2283534A - Electrical switch : en
  • US2283704A - Display holder for bakery goods : en
  • DE721008C - Circuit arrangement for the stabilization of low frequency amplifiers for television purposes : de en
  • FR871822A - Improvements made to heat exchangers : en fr
  • GB545245A - Television receiving system : en
  • US2283275A - Insecticidal composition including walnut shell flour : en
  • US2283252A - Coin-operated vending machine and control mechanism therefor : en
  • USD132422S - Design for a font of type : en
  • SE104542C1 - : en
  • US2283293A - Brush assembly : en
  • US2283889A - Electrical connector : en
  • CA404788A - Shingle : en fr
  • CA404898A - Nickel recovery : en fr
  • US2283653A - Oscillation generator circuit : en
  • FR871983A - Pressure resistant articulated chain group : en fr
  • CA404870A - Fire extinguishing composition : en fr
  • FR871961A - Closed circuit mixer-screen : en fr
  • GB545275A - Improvements relating to spraying apparatus : en
  • DE720969C - Process for working up pyridine sulfuric acid : de en
  • US2283487A - Ice cream freezer : en
  • US2283238A - Method of manufacturing thin rubber articles : en
  • US2283267A - Clutch and mechanism for effecting axial movement of a driven member : en
  • USD132432S - Combined lathe anj stock support : en
  • GB545363A - An improved device for spreading farm yard manure and like materials over agricultural land : en
  • CA404799A - Fluid motor : en fr
  • DE720869C - Locking device to prevent the writing of a zero in the ten schilling position, especially for typewriters equipped with a totalizer : de en
  • FR871803A - Axle in several parts joined together by welding and its manufacturing process : en fr
  • AT160819B - Process for converting molten metals, metal alloys, metallurgical intermediate products or mixtures of such with non-metallic substances into divided form. : de en
  • DE721036C - Contact device for electromagnetically operated fuel delivery pumps : de en
  • DE720971C - Cooler for freezers : de en
  • FR871824A - Mode of protection of high-voltage converters against interference : en fr
  • FR871832A - Improvements to metal or other containers : en fr
  • FR871883A - Grinding device for paper and other substances : en fr
  • FR871906A - Improvements to bypass shut-off valves : en fr
  • FR871842A - Pneumatic lubricator : en fr
  • FR871838A - heating element for high pressure, indirectly heated steam generators or similar apparatus : en fr
  • US2283414A - Liquid dispensing device : en
  • US2283322A - Weed cutter : en
  • US2283324A - Stand for microphones and the like : en
  • AU168441A - Improvement in fuel control systems for Diesel engines : en
  • USD132486S - Design fob a dress : en
  • FR871980A - A method of recording and reproducing stereophonic sound oscillations : en fr
  • US2283173A - Synthetic contact masses and their preparation : en
  • US2283789A - Distributor adjusting tool : en
  • USD132472S - Design for a glove : en
  • DE721056C - Circuit arrangement for telecommunications systems with differential relays : de en
  • FR871909A - Process for synthetically preparing paraifine from mixtures of carbon monoxide and hydrogen : en fr
  • US2283753A - Antihunting automatic pilot : en
  • US2283187A - Adapter for centrifugal casting molds : en
  • US2283561A - Mitten : en
  • US2283655A - Tens transfer device : en
  • US2283734A - Electrically heated receptacle : en
  • FR871924A - Ultra-shortwave device : en fr
  • US2283433A - Rotary internal combustion engine : en
  • US2283766A - Tack : en
  • US2283209A - Apparatus for the manufacture of organic acid anhydrides : en
  • USD132479S - Design for a dress : en
  • DE720891C - Antenna arrangement for generating radiation for the implementation of aircraft blind landings : de en
  • GB545356A - Compositions of matter suitable for use as dielectrics and other purposes : en
  • USD132492S - Design for a textile fabric : en
  • GB545243A - Improvements in and relating to pistons for internal combustion engines : en
  • USD132499S - Design for a dress : en
  • AU115117B2 - An improved vacuum pump : en
  • US2283516A - Hydraulic transmission : en
  • US2283162A - Electrode holder : en
  • FR871821A - Electrical insulator : en fr
  • USD132481S - Design fob a dress : en
  • FR871921A - System for the connection, by terminal boxes, of electric cables to one or more conductors with various conductors : en fr
  • GB545343A - Amplification of electric waves by space discharge devices : en
  • GB545330A - Improvements in or relating to sealing caps for containers : en
  • FR871940A - Alcohol heater : en fr
  • DE720859C - Automatic filling and encapsulation machine : de en
  • GB545253A - Improvements in or relating to steam superheating installations : en
  • FR871954A - Capacitor impregnation process : en fr
  • DE721091C - Device for the production of cigar shapes : de en
  • US2283702A - Calendar : en
  • USD132484S - Textile fabric or similar article : en
  • DE721077C - Arrangement for protecting a series capacitor : de en
  • DE720960C - Machine set consisting of a compressed air motor and pump : de en
  • CA404839A - Enclosed circuit breaker : en fr
  • CA404814A - Log cabin : en fr
  • US2283241A - Limiting amplifier : en
  • US2283743A - Testing resilient materials : en
  • CA404910A - Radio - phonograph control system : en fr
  • US2283341A - Atomizer : en
  • US2283463A - Combined tubular container and applicator : en
  • AU115107B2 - Improvements relating to catalytic heaters : en
  • AU139741A - Improvements in or relating to record-strip-controlled singletypecasting and composing machines : en
  • US2283349A - Stay tape : en
  • USD132496S - Design for a lace tablecloth : en
  • CA404771A - Tennis racket moulding machine : en fr
  • CA404790A - Automobile speed regulator : en fr
  • AU115123B2 - Improvements in circuit arrangements for feeding cathode-ray tubes, more particularly iconoscopes : en
  • DE721085C - Protection device for the inside of the cheeks and the corner of the mouth during dental treatment : de en
  • FR871956A - Mold for die casting or injection molding : en fr
  • DE720933C - Device for smoldering coals : de en
  • DE720907C - Feeding trough arrangement for baskets for transporting carrier pigeons : de en
  • US2283219A - Bearing : en
  • DE721038C - Longitudinal teeth of two nested machine parts : de en
  • DE720852C - Watt-hour counter : de en
  • US2283198A - Bromine process for gold ores : en
  • US2283640A - Venetian blind : en
  • GB545324A - Interpolymers of styrene with heat-blended oil varnishes : en
  • DE721061C - Tip and heel pinching machine with nailing device : de en
  • FR871992A - Steel for structural steelwork : en fr
  • US2283783A - Automobile body trimming device : en
  • CA404903A - Sound reproducing device : en fr
  • US2283350A - Composition for bleaching hair : en
  • FR871827A - Process for preparing a fiber with high felting and fulling ability, and high heat retention : en fr
  • AT160825B - Process for the manufacture of detergents. : de en
  • DK59781C - Electric discharge tube with one or more preferably band-shaped electron beams. : da en
  • FR871856A - Sliding bearing mounting method for rotating shafts : en fr
  • DE720934C - Process for the production of brown coal briquettes : de en
  • FR871896A - Austenitic steel for objects with a very high limited flow limit : en fr
  • GB545351A - Improvements in or relating to spark plugs : en
  • FR871904A - Internal combustion engine rotary spool seal : en fr
  • GB545360A - Improvements in or relating to the preparation of tetraacylated ribonyl derivatives : en
  • GB545405A - A shampoo powder made from the bark of the quillaia tree : en
  • USRE22099E - Power transmission : en
  • US2283612A - Apparatus for washing, extracting, and drying : en
  • FR871951A - Improvements made to assembly devices according to their transverse joints of panels or concrete pavement covering slabs : en fr
  • CA404900A - Grinding wheel : en fr
  • FR871901A - Process for preparing a concentrated extract of coffee or a substitute for coffee and mixed products : en fr
  • GB545269A - Improvements in the manufacture of hardenable steels : en
  • FR871928A - Apparatus for controlling the consumption of gas, electricity, or other expenses : en fr
  • DE721035C - Image changing device with a chute and an image storage container connected to it : de en
  • GB545262A - Device for determining tangents and cotangents of curves : en
  • DE721004C - Process for the production of tetrahydrofuran : de en
  • DK59792C - Two-Wheel Transport Bicycle. : da en
  • DE720911C - Sheet metal cage for radial ball bearings : de en
  • GB545282A - Manufacture of monomeric unsaturated polymerisable organic amides or imides : en
  • DE720870C - Process for the manufacture of mirrors : de en
  • DK59777C - Permanent Magnet and Procedure for its Manufacture. : da en
  • GB545252A - Improvements in and relating to control systems for controlling the operation of vibrating electromagnetic motors : en
  • FR871893A - Mixed resins and their preparation process : en fr
  • FR871946A - Method and apparatus for preparing fatty acid-free and unalterable concentrates of fat-soluble vitamins and sterins : en fr
  • US2283319A - Vertical grain drier : en
  • US2283645A - Switch stand : en
  • FR871840A - Gearbox, especially for automobiles : en fr
  • GB545327A - Improvements in or relating to suction cleaners : en
  • US2283423A - Clutch control device : en
  • US2283880A - Apparatus for making screen cloth : en
  • US2283847A - Railway brake gear support : en
  • DE721078C - Magnetic motor counter with a bell armature carrying the coils : de en
  • USD132428S - Design for a device for brewing beverages : en
  • US2283376A - Kerf-cutting mining machine : en
  • US2283489A - Pin and cylinder lock : en
  • US2283272A - Blackboard construction : en
  • US2283602A - Grease and lubricant : en
  • US2283549A - Cot : en
  • AU131541A - An improved vacuum pump : en
  • USD132490S - Design for a dress : en
  • US2283475A - Therapeutic apparatus : en
  • US2283584A - Salesman's presentation kit : en
  • USD132503S - Design for. a lace : en
  • FR871890A - Process for the manufacture of foundry molds : en fr
  • DE720828C - Process for the production of conversion products from peat and lignite : de en
  • DE720855C - Ear shaper : de en
  • GB545392A - Improvements in and relating to control systems for electric motors : en
  • CA404789A - Aircraft machine gun blast tube : en fr
  • CA404854A - Bottle filling apparatus : en fr
  • US2283721A - Self-sharpening safety razor : en
  • US2283735A - Centrifugal concrete pipe molding machine : en
  • DE720935C - Process for the production of organic cellulose esters with retention of structure : de en
  • US2283678A - Combination lift and flushing device for toilets : en
  • US2283301A - Merchandise display cabinet : en
  • US2283503A - Means for making receptacle closure caps : en
  • CA404853A - Plastic material recovery : en fr
  • US2283228A - Process and apparatus for burning sulphur : en
  • AT160830B - Electrical computing device. : de en
  • US2283540A - Composition for treating leather and process for preparing the same : en
  • USD132459S - Le roy wottring : en
  • CA404873A - Steam treating apparatus : en fr
  • CA404784A - Nut lock : en fr
  • US2283364A - Process for agglomerating carbon black : en
  • US2283397A - Valve : en
  • USD132456S - Design for a pin ob similar article : en
  • CA404842A - Circuit breaker control system : en fr
  • FR871810A - illuminated case for switch buttons and other applications : en fr
  • AU328041A - Improvements in and relating tothe production of cloth : en
  • AT160817B - Process for making three-color copies. : de en
  • DE721023C - adhesive : de en
  • US2283271A - Fluid pressure control system : en
  • CA404905A - Loud speaker manufacture : en fr
  • US2283556A - Valve : en
  • US2283635A - Quick-convertible screen and storm window : en
  • US2283351A - Metal table : en
  • CA404829A - Photographic sound track : en fr
  • US2283849A - Method of producing alumina : en
  • CA404886A - Foaming agent : en fr
  • DE720905C - Strain gauge : de en
  • DE720951C - Iron molds for making glass objects : de en
  • DE720979C - Electric table lamp with box-shaped base : de en
  • GB545317A - Printing telegraph apparatus : en
  • US2283456A - Process for separating unsaponifiable substances from their mixtures or compounds with saponifiable substances : en
  • CA404802A - Cone winding machine : en fr
  • US2283867A - Packaging and preserving dried biologicals, pharmaceuticals, and the like : en
  • US2283554A - Knitting method and machine : en
  • US2283629A - Die set for making metal-edge filters : en
  • US2283342A - Vulcanization of rubber : en
  • CA404897A - Hatch cover fastener : en fr
  • USD132483S - Design fob a dress : en
  • US2283815A - String clasp or button for envelopes : en
  • US2283756A - Convertible bulkhead for refrigerator cars : en
  • US2283817A - Detoxicant : en
  • US2283851A - Hydrocarbon conversion process : en
  • US2283661A - Differential driving gearing : en
  • AT160839B - Aircraft component. : de en
  • US2283733A - Ignition coil : en
  • USD132420S - Design for a draftsman s eraser : en
  • USD132462S - Combined butter knife and butter pick or similar article : en
  • AT160840B - Mortar consisting of sand and bitumen for the construction of masonry. : de en
  • DE720994C - Process for the production of a pulp consisting of chloromagnesium liquor and pulp from paper for the production of pulp-Sorel cement mixtures : de en
  • US2283877A - Screen : en
  • US2283856A - Cigarette package : en
  • USD132440S - Design foe a pest or similar article : en
  • US2283316A - One-stage process for the manufacture of rubber : en
  • US2283432A - Piston and piston ring : en
  • US2283713A - Vehicle braking system : en
  • DE720929C - Pre-chamber for hard-to-burn fuels : de en
  • GB545299A - Improvements in cycle saddles : en
  • US2283282A - Coke oven door cleaning means : en
  • US2283392A - Variable speed pulley : en
  • US2283694A - Carbureting apparatus : en
  • FR871865A - Process for preparing ice-cream colors when printing fabrics : en fr
  • FR871965A - Arrangement for circuit-breakers with magnetic blowing field near choke coils : en fr
  • GB545306A - Improvements relating to fastening devices incorporating nuts : en
  • FR871941A - Control device placed under the dependence of variation in the levels of two liquid layers : en fr
  • GB545381A - Improvements in hydroextractors : en
  • DE720912C - Ball joint made of housing, ball pin and multiple subdivided ball shell : de en
  • US2283710A - Measured-section rope package : en
  • US2283415A - Signaling system : en
  • US2283888A - Torque measuring wrench : en
  • FR871968A - Quenching process for hollow mandrels : en fr
  • US2283389A - Window structure : en
  • FR871970A - Device for cutting endless artificial fibers by means of rising and falling needles : en fr
  • GB545328A - Improvements in knitted fabrics and in the method of producing the same : en
  • GB545368A - An improved fire extinguisher : en
  • DE720678C - Adjustment device for a direction indicator : de en
  • US2283260A - Method of and apparatus for making shoes : en
  • USD132504S - Design for a lace tablecloth : en
  • CA404819A - Lamp bulb manufacture : en fr
  • US2283648A - Boat trailing equipment : en
  • US2283831A - Bag pressure indicator for suction cleaners : en
  • US2283468A - Periodical holder : en
  • US2283816A - Grip handle for fishing rods : en
  • USD132443S - Design for a pin or similar article : en
  • FR871875A - illuminated screen with triple mirrors : en fr
  • IT395127B - : it
  • US2283326A - Yellow azo dyestuffs : en
  • AT160818B - Process for performing chemical reactions. : de en
  • US2283595A - Stilt : en
  • AU171941A - Improvements in circuit arrangements for feeding cathode-ray tubes, more particularly iconoscopes : en
  • DE720888C - Receiver with delayed shrinkage control : de en
  • US2283416A - Apparatus for forming metal articles : en
  • US2283807A - Electrical plug and contactor therefor : en
  • GB545301A - Improvements in and relating to folding beds : en
  • US2283524A - Adjustable antenna device : en
  • DE720987C - Prime mover : de en
  • FR871948A - Process for extracting trans-estradiol from mixtures which contain it : en fr
  • DE720974C - Device for displaying the amount to be paid for the extended conversation time on coin-operated telephones : de en
  • GB545399A - Devices for operating or transmitting code signals : en
  • AU115124B2 - Improvements in sparkplugs : en
  • DE721080C - Arrangement to facilitate the ignition of two-anode discharge vessels with glow cathode and vapor or gas filling in full-wave rectifier circuit : de en
  • US2283460A - Piston : en
  • US2283657A - Electric circuit breaker : en
  • US2283328A - Clasp : en
  • US2283621A - Enamel applicator : en
  • US2283304A - Latch mechanism : en
  • AT160808B - Device with an amplifier tube with a straight short-circuit characteristic. : de en
  • AT160850B - Flight engine controller. : de en
  • US2283495A - Continuous filter : en
  • US2283659A - Horn control system : en
  • USD132424S - Design for a heat exchange unit : en
  • US2283249A - Molding and cutting device : en
  • US2283431A - Hydraulic clutch control system : en
  • AT160853B - Process for the preparation of unsaturated and saturated 21-substituted derivatives of pregnanol- (3) -one- (20). : de en
  • DE721090C - Circuit for hoists driven by asynchronous motors : de en
  • USD132425S - Design foe a food tray or similar article : en
  • CA404925A - Non-spill vent plug : en fr
  • FR871816A - Process and devices for the manufacture of membranes : en fr
  • AT160823B - Switching arrangement for regulating the bandwidth of band filters u. Like., In particular of heterodyne receivers. : de en
  • AT160851B - Method for producing a photosensitive layer. : de en
  • AT160814B - Process for the serial production of sound films with mechanical sound writing. : de en
  • US2283486A - Hydromechanical transmission drive : en
  • US2283515A - Traffic marker rod : en
  • USD132452S - Design fob a pin ob similae abticle : en
  • AU546242A - Improvements in electrical oscillation generators and time bases : en
  • CA404774A - Phonograph record playing machine : en fr
  • US2283628A - Sleep inducer : en
  • US2283619A - Radio antenna system : en
  • SE104521C1 - Procedure for separating liquid mixtures from gases : en sv
  • US2283477A - Method of determining location of liquid level in wells : en
  • US2283555A - Bottle holder and carrier : en
  • GB545298A - Improvements relating to the prevention of ice formation on aircraft : en
  • US2283196A - Recovery of gold from telluride ores : en
  • DE721019C - System for three-phase power transmission via high-voltage cables : de en
  • CA404912A - Sheet metal piston ring : en fr
  • DE720962C - Method for decorating glass-like surfaces by decorating surfaces, in particular by means of sandblasting : de en
  • GB545342A - Improvements relating to self-locking nuts : en
  • GB545249A - Improvements in or relating to the manufacture of granule coated webs : en
  • GR9867B - JOINS MOVING MOVING PLAGONS. : el en
  • DK59794C - Trigger mechanism for automatic firearms. : da en
  • AT160844B - Process for the production of a compound containing chlorinated rubber and cellulose esters, in particular nitrocellulose. : de en
  • US2283337A - Vulcanization of rubber : en
  • CA404914A - Electrode system : en fr
  • US2283427A - Fireplace : en
  • US2283681A - Turnstile : en
  • AT160827B - Process for the preparation of mixed-substituted organic mercury compounds. : de en
  • CA404849A - Circuit breaker protective device : en fr
  • US2283493A - Line indicator : en
  • US2283829A - Diazotizable azodyestuffs : en
  • DE721010C - Method for generating ultra-short waves with a magnetic field tube : de en
  • AU115105B2 - Improvement in fuel control systems for Diesel engines : en
  • DE721006C - Hand press for photographs or the like equipped with an elastic abutment. : de en
  • CA404827A - Photographic emulsion : en fr
  • DE720901C - Optical device for two-eye viewing of a real optical image, in particular the viewfinder or film image in cinematographic cameras : de en
  • AT160812B - Process for the production of light-sensitive, development-resistant, halogen-silver-containing layers from colloidal substances which contain free hydroxyl groups. : de en
  • US2283671A - Spring suspension device for cycles and motorcycles : en
  • AU68741A - Improvements inthe gauging of internal screw threads : en
  • FR871813A - Manufacturing process, tools and detergents obtained : en fr
  • DE720906C - Device for putting out of operation cattle pond : de en
  • US2283613A - Bowling pin lifting mechanism : en
  • DE720826C - Process for the pressure hydrogenation of solid fuels such as coal or peat : de en
  • GB545352A - Improvements in or relating to mowing machines and mowing attachments : en
  • AT160816B - Suspension, in particular for motor vehicles with independent wheels. : de en
  • DE720968C - Process and device for the completely relieved conveyance of fabric webs during wet treatment : de en
  • DK59786C - Metal plate core and kneading barrel. : da en
  • CA404872A - Knitted wire article : en fr
  • DE721016C - End cover for junction boxes laid under plaster : de en
  • GB545272A - Improvements in liquid fuel tanks for aircraft : en
  • FR871886A - Process for extracting cellulose from flax, hemp and other vegetable raw materials : en fr
  • FR871935A - Improvements made to tools for screwing a threaded part with a central opening in a threaded tubular part, in particular those for screwing a cup, forming a stop, in a crank body : en fr
  • US2283425A - Weighing scale : en
  • FR871850A - Battery for flashlight : en fr
  • DE721047C - Device for aligning swing top bottles : de en
  • FR871861A - Device for triggering automatic scales by inserting light coins : en fr
  • GB545349A - Improvements in and relating to electric immersion heaters : en
  • US2283206A - Method of controlling well fluids : en
  • GB545244A - Television synchronizing and control system : en
  • US2283686A - Conditioning appliance for oral and dental use : en
  • CA404786A - Airplane engine piston : en fr
  • CA404876A - Sheet metal cabinet : en fr
  • FR871829A - Process for doubling pipes : en fr
  • FR871835A - Construction process for residential walls : en fr
  • US2283548A - Foot operated press : en
  • US2283687A - Braking arrangement for the wheels of aircraft : en
  • US2283692A - Gun sight : en
  • US2283859A - Magnetic contact structure : en
  • US2283395A - Telephone system : en
  • US2283685A - High resistance conducting coating for electric insulators : en
  • US2283474A - Advertising string holder : en
  • DK59773C - Press iron for ironing machines. : da en
  • GR9868B - COFFEE REPLACEMENT DRINK. : el en
  • GB545254A - Improvement in toxoids : en
  • USPP517P - Unlted stes ptent ffige : en
  • US2283410A - Teletypewriter exchange system : en
  • DE720813C - Process for the mercerization of mixed webs or mixed fabrics made of cotton and ply cellulose : de en
  • US2283167A - Clip assembly for wall structures : en
  • US2283286A - Method of making phonograph blanks : en
  • US2283367A - Tablecloth stretcher : en
  • US2283736A - Circuit breaker : en
  • USD132505S - Design for a dress : en
  • GB545340A - Improvements relating to gas cookers : en
  • US2283200A - Method and apparatus for subsurface mining : en
  • US2283846A - Brake gear safety support : en
  • US2283366A - Relay : en
  • US2283533A - Light shutter : en
  • AT160811B - Time switch for resistance welding systems. : de en
  • AT160841B - Vehicle diesel engine with jet injection of fuel. : de en
  • AU22741A - Improvements in permeability tuned loop antennae : en
  • US2283268A - Apparatus for projecting images of transparent or opaque objects and script on a screen : en
  • US2283764A - Esterlike condensation products and a process of preparing them : en
  • GB545348A - Improvements in and relating to photographic plate changers : en
  • US2283234A - Hypodermic syringe construction : en
  • US2283850A - Tension lock nut : en
  • DE720925C - Storage of the swiveling upper part on the mobile lower part of an excavator, crane or the like. : de en
  • CA404841A - Electric discharge apparatus : en fr
  • DE720967C - Mixing tap for gas heating in economy stoves and other firing systems : de en
  • US2283497A - Boring bar : en
  • DE721011C - Radio receiver : de en
  • FR871807A - Shock absorber : en fr
  • DE720972C - Blast furnace for refining zinc-containing iron ores : de en
  • US2283161A - Lawn mower and the like : en
  • US2283472A - Apparatus for establishing fish habitats : en
  • DE720948C - Process for the production of a therapeutically effective preparation containing pectin, tanning and protein substances : de en
  • US2283291A - Afterbody of vessels : en
  • US2283372A - Apparatus for treating fruit : en
  • US2283422A - Tripod : en
  • US2283705A - Manufacture of tile : en
  • FR871876A - illuminated screen with triple mirrors : en fr
  • AT160838B - Circuit for changing the tuning of electrical oscillating circuits as a function of a DC voltage. : de en
  • CA404856A - Container sealing apparatus : en fr
  • CA404880A - Television receiving system automatic control : en fr
  • CA404916A - Illumination device : en fr
  • AU221340A - Process forthe conversion of refuse into a humus fertilizer material : en
  • US2283545A - Light modulating method and apparatus : en
  • GB545387A - Improvements in the construction of hollow and solid walls : en
  • US2283527A - Laundry machine : en
  • US2283585A - Knitted fabric and method : en
  • AT160837B - Long-range sprinkler with a nozzle that rotates under the influence of the jet reaction force. : de en
  • US2283858A - Dust collector : en
  • SE104556C1 - : en
  • US2283639A - Electric discharge device : en
  • US2283248A - Thermometer holder : en
  • CA404888A - Card controlled machine : en fr
  • CA404809A - Road machine cut-off shoe : en fr
  • DE721086C - Shaft melting furnace with forehearth : de en
  • US2283837A - Filing device for photographic negatives and the like : en
  • CA404796A - Non-skid tire : en fr
  • CA404805A - Rolling mill pressure release mechanism : en fr
  • DE720896C - Lightning protection fuse and earthing switch : de en
  • CA404834A - Blasting system with safety fuses : en fr
  • US2283599A - Case for clinical thermometers : en
  • US2283709A - Match box : en
  • US2283168A - High speed press control : en
  • US2283665A - Apparatus for installing rivets : en
  • US2283321A - Power transmission : en
  • US2283362A - Ski trousers : en
  • US2283786A - Jacket crown : en
  • AU292841A - Improvements in and relating to heating systems for aircraft andthe like : en
  • CA404926A - Tractor wheel lug : en fr
  • US2283165A - Device for milling oil slots in piston rings : en
  • DE721025C - Process for the production of rigid bodies to be applied to the human skin : de en
  • US2283491A - Boring apparatus : en
  • US2283521A - Abrasive device for cleaning still tubes and the like : en
  • USD132447S - Design fob a pin or similar article : en
  • US2283221A - Logging strip printing apparatus : en
  • US2283693A - Electric circuit breaker : en
  • US2283697A - Electroresponsive device : en
  • US2283722A - Portable powee drill : en
  • GB545278A - Improvements in and relating to thread control mechanism for sewing machines : en
  • GB545370A - Improvements in or relating to collapsible boxes or baskets made of cardboard or like materials : en
  • US2283388A - Antioxidant : en
  • US2283541A - Servomotor : en
  • DE720998C - V-shaped stiffening insert for cuffs : de en
  • CA404857A - Edge-thread shuttle for needle looms : en fr
  • CA404804A - Fluoborate compound : en fr
  • DE720931C - Hiking pillar : de en
  • US2283667A - Manufacture of new azo dyestuffs : en
  • US2283715A - Method and product of tone-and-color synthesis in color reproduction : en
  • US2283669A - Cleaning tool and dipper for oil burners : en
  • DK59774C - Evaporator. : da en
  • AU128041A - Improved method and means for mixing liquid fuels for use in internal combustion engines : en
  • CA404881A - Ultra-high frequency signal translating stage : en fr
  • FR871966A - Device for the treatment, more particularly the straightening of individual threads of endless bundles of dried artificial threads : en fr
  • AU115121B2 - Improvements in or relating to record-strip-controlled singletypecasting and composing machines : en
  • AT160820B - Arrangement for changing the self-induction of a coil. : de en
  • CA404874A - Vapour generator : en fr
  • DE720966C - Garbage trolley with a non-rotating container and a screw that is used to transport garbage into the interior of the trolley : de en
  • US2283205A - Clothes drier : en
  • US2283777A - Greeting card : en
  • AU115110B2 - Improvements in and relating tothe production of cloth : en
  • US2283633A - Automatic uniform step temperature regulator : en
  • US2283546A - Card holder : en
  • CA404869A - Calcium and magnesium alloying method : en fr
  • CA404824A - Building stud : en fr
  • US2283430A - Flashlight : en
  • US2283887A - Tobacco forming machine and guard therefor : en
  • DE720877C - Device for breaking flat baked goods according to pre-drawn lines of weakness : de en
  • US2283450A - Ingot mold : en
  • US2283520A - Pigmented resin gel and method of making : en
  • US2283175A - Power regulator for supercharged engines : en
  • US2283725A - Fuel-injection nozzle valve : en
  • USD132476S - Design for a combination kitchen and bathroom utility unit : en
  • CA404808A - Rubber and fatty acid composition : en fr
  • US2283277A - Golf swing indicator : en
  • US2283479A - Parachute : en
  • DE721048C - Tool for feeding and driving nails : de en
  • GB545263A - Improvements in or relating to spreaders for aerial wires : en
  • AT160845B - Amplifier for ultra-short waves with at least two oscillating circuits connected in cascade and coupled by means of an amplifier tube, tuned to the same frequency. : de en
  • US2283232A - Cooling of gaseous mixtures : en
  • US2283794A - Bracket construction for plumbing fixtures : en
  • US2283334A - Vulcanization of rubber : en
  • US2283317A - Cylinder liner : en
  • US2283596A - Door locking mechanism : en
  • US2283824A - Shearing machine : en
  • USD132466S - Design for a badge : en
  • DE721012C - Waveband switch for high-frequency devices, especially shortwave devices : de en
  • DK59788C - Foam extinguisher. : da en
  • FR871836A - Device for converting variations of a mechanical quantity into variations of an electrical voltage : en fr
  • CA404836A - Voltage regulator : en fr
  • CA404847A - Copper base alloy : en fr
  • CA404929A - Textile material : en fr
  • FR871959A - Machine for hardening or drying short Italian pasta : en fr
  • CA404892A - Age hardened nickel alloy : en fr
  • CA404861A - Fluid pressure regulator : en fr
  • GB545247A - Improvements in or relating to fire places of the open fire type : en
  • US2283180A - Accelerometer : en
  • US2283812A - Insect brushing device : en
  • US2283804A - Card printing machine : en
  • CA404838A - Circuit regulator : en fr
  • CA404917A - Conveyer : en fr
  • US2283266A - Distribution of fluids : en
  • FR871879A - Gas generator nozzle valve : en fr
  • US2283371A - Latch for handhole covers : en
  • US2283444A - Keyhole light : en
  • GB545373A - Improvements in or relating to display devices : en
  • US2283511A - Invalid lifting device : en
  • DE720903C - Projection device, preferably for index cards : de en
  • USD132487S - Scarp or analogous article : en
  • US2283163A - Shaft furnace and method of operating same : en
  • US2283294A - Azo dyestuffs and process of preparing same : en
  • USD132451S - Design for a pin or similar article : en
  • GB545256A - Improvements in or relating to apparatus for surface hardening metal articles in succession : en
  • FR871914A - Elastic wheel : en fr
  • FR871934A - License plate for cycles, motorcycles, etc., which can be used for signaling and rear lighting : en fr
  • DE720890C - Arrangement for generating a straight glide path for aircraft landing purposes : de en
  • DE721073C - Potentiometer housing made of synthetic resin compound : de en
  • AU119110B2 - Improvements in electrical oscillation generators and time bases : en
  • CA404837A - Welding timer : en fr
  • US2283340A - Electric switch : en
  • US2283363A - Slow speed self-starting synchronous motor : en
  • CA404885A - Sausage linking method : en fr
  • FR871846A - Hinge for wood soles or other leather substitute : en fr
  • US2283482A - Plow construction : en
  • USD132508S - Design for a lace : en
  • DE720941C - Receiving device for a method for remote control of chemical processes : de en
  • DE721037C - Screw locking : de en
  • GB545287A - Improving the adhesivity of asphalts : en
  • US2283469A - Boring mechanism : en
  • US2283726A - Heat insulating structure : en
  • US2283879A - Apparatus for making screen cloth : en
  • DE720986C - Circular slide rule : de en
  • FR871944A - Device designed to reduce speed oscillations, vibrations and jolts : en fr
  • US2283623A - Overdrive control system : en
  • USD132437S - Design for a pest or similar article : en
  • FR871867A - Improvements to furniture glides : en fr
  • FR871815A - Process for the manufacture of threads, films, strips, etc., from rennet casein : en fr
  • FR871971A - Method for dynamic adjustment using automatic control devices, and arrangement for producing a control voltage for such devices : en fr
  • US2283245A - Container : en
  • US2283823A - Monoazo dyestuffs soluble in water : en
  • US2283177A - Electrical plug connection : en
  • FR871976A - Fuel pump for combustion or explosion engines : en fr
  • FR871960A - Lifting beam for agricultural instruments : en fr
  • CA404931A - Brake actuating mechanism : en fr
  • CA404878A - Winch : en fr
  • AT160829B - Process for the preparation of unsaturated 3-oxo compounds of steroids or their enol derivatives. : de en
  • FR871911A - Gate dam with a current flowing over and under : en fr
  • US2283307A - Grating : en
  • US2283680A - Justifying mechanism : en
  • US2283835A - Inlet valve for suction cleaner dirt bags : en
  • FR871910A - Installation of electrical instruments on an airplane : en fr
  • FR871860A - Device with filter adjustment for printing or projecting polychrome films : en fr
  • FR871837A - Process for obtaining ceramic enamels opacified by zirconium compounds : en fr
  • DK59776C - Apparatus for Spraying a Freshly Printed Sheet Coming from a Printing Machine to Prevent the Pulling of the Fresh Pressure. : da en
  • US2283646A - Telephone apparatus and circuit therefor : en
  • DE720857C - Block shears drive by three-phase motor : de en
  • DE720915C - Device for pulling out an endless strand of sugar paste : de en
  • FR871872A - Ultra High Frequency Oscillation Magnetron Generator or Receiver : en fr
  • US2283400A - Record making machine : en
  • GB545338A - Improvements in extension couches : en
  • CA404883A - Fender shield : en fr
  • FR871859A - Full chamber for pneumatic : en fr
  • DE721009C - Process for generating ultrashort-wave vibrations : de en
  • US2283566A - Thermal converter circuit : en
  • US2283320A - Diamond-holding tool : en
  • GB545361A - Improvements relating to electric ignition apparatus for internal combustion engines : en
  • US2283864A - Brake arrangement : en
  • DE721064C - Drying device for laundry or the like. : de en
  • FR871825A - Process for gluing wooden planks or other substances : en fr
  • US2283641A - Incineration : en
  • GB545251A - Manufacture of new anthraquinone derivatives : en
  • US2283284A - Change-speed gearing : en
  • US2283873A - Stapling device : en
  • DE720873C - Auxiliary device for adjusting the auxiliary rudders of aircraft : de en
  • DE720876C - Chain conveyor with swiveling conveyor carriers : de en
  • DE720886C - Braun tubes, especially for television purposes : de en
  • FR871851A - Rigid insulators with elongated barrel protected against contamination : en fr
  • FR871988A - Device for determining cutting depth and advancement on lathes : en fr
  • FR871945A - Process for preparing active substances containing vitamins e and d and endowed with anti-oxidant and anti-hydrolysing power : en fr
  • GB545261A - Improvements relating to hollow bodies made from cellulose products and other plastic substances : en
  • GB545311A - improvements in and relating to electric discharge devices for producing ultra-violet radiation : en
  • US2283213A - Refrigerating system : en
  • US2283244A - Means for the extraction of air from the circulating water of hydraulic brakes or dynamometers : en
  • CA404820A - Wire enamelling apparatus : en fr
  • US2283208A - Catalytic converter : en
  • CA404848A - Vapour electric converter : en fr
  • GB545250A - Improvements in or relating to a method of and apparatus for drying wet thread : en
  • CA404844A - Welding system : en fr
  • US2283670A - Transformer : en
  • AU115126B2 - Improvements in and relating to producer gas generators : en