• US2246790A - Automobile door locking structure : en
  • US2246886A - Manganese-base alloy and method of making and using the same : en
  • USD127911S - Design fok a coin holder : en
  • US2246587A - Dynamoelectric machine : en
  • DE707637C - Manufacture of carbon disulfide : de en
  • US2247074A - Sealing arrangement : en
  • US2247273A - Framing : en
  • AU113292B2 - Means for connecting a door-controlling mechanism to a door : en
  • CA397500A - Leather finishing process : en fr
  • AU231040A - Container and distributor of lip staining material : en
  • US2246616A - Truck for fighting forest fires : en
  • CA397446A - Pump double vane impeller : en fr
  • US2246562A - Bowling equipment : en
  • US2247068A - Anastigmatic photographic objective : en
  • GB537528A - Improvements in or relating to scarifiers : en
  • US2247114A - Cushion insole : en
  • US2246740A - Windscreen wiper : en
  • US2246760A - Stable fuel oil : en
  • US2246803A - Motor switch protective means : en
  • US2247100A - Tap : en
  • US2246706A - Airplane propeller : en
  • US2247318A - Method of casting refractory blocks : en
  • US2247287A - Device for the suction of foul air from water-closet basins : en
  • US2247202A - Replaceable tooth for excavating implements and the like : en
  • US2247163A - Coupling : en
  • FR866157A - Device for removing rows of mine stanchions by means of a traction device : en fr
  • GB537455A - Improvements in or relating to turbine blading : en
  • US2247052A - Vibrating dry shaver : en
  • AT160484B - Process for the preparation of androstanol- (3) -one- (17) or its stereoisomers. : de en
  • CA397394A - Stone working tool : en fr
  • CA397364A - Wringer release mechanism : en fr
  • GB537499A - Improvements in or relating to yarns and the manufacture thereof : en
  • GB537574A - A new or improved yarn tensioning device for textile machinery : en
  • DE707630C - Device for holding the loading strip in multi-loading small caliber rifles : de en
  • US2246682A - Catalyst : en
  • USD127912S - Design fob a bottle : en
  • US2246856A - Process for resolving petroleum emulsions : en
  • US2247168A - Brick grab : en
  • US2247293A - Beet harvester : en
  • US2247329A - Talking doll and action driven circuit therefor : en
  • USD127943S - Design for a suit : en
  • FR866189A - Device intended to increase the power range of automatic compressed carbon regulators : en fr
  • CA397513A - Joint or connection : en fr
  • CA397449A - Permanent magnet device : en fr
  • US2247001A - Liquid fuel burner : en
  • US2247051A - Method and apparatus for television : en
  • DE707607C - Circular knitting machine : de en
  • DE707526C - Buffer device for machine weapons : de en
  • DE707391C - Method and circular knitting machine for working in an elastic thread : de en
  • DE707585C - Pointer aiming device : de en
  • FR866180A - Process for treating viscose : en fr
  • DE707578C - Safety plug device with a switch built into the socket, the base of which carries the socket : de en
  • SE101883C1 - Methods for making photocopies and light-sensitive layers suitable for this purpose. : en sv
  • US2247190A - Fruit juicing machine : en
  • US2246784A - Automobile door locking structure : en
  • US2246923A - Brake for hoists : en
  • USD127897S - Design for a textile fabric : en
  • GB537433A - Improvements in, and connected with, alternating current synchronous motors : en
  • US2246613A - Illuminated switch device : en
  • DE707463C - Brushless plane : de en
  • DK58792C - Beet opening knife. : da en
  • US2246939A - Television receiver : en
  • US2247189A - Carburetor : en
  • AU439940A - Cone clutch : en
  • DE707519C - X-ray device with switching devices located on the low-voltage and high-voltage side for producing X-ray recordings : de en
  • DE707557C - Thermocouple for measuring combustion chamber and exhaust gas temperatures : de en
  • DE707452C - Storage unit with several rubber bodies : de en
  • DE707506C - Device for sterilizing filling pipes : de en
  • GB537441A - Improvements in or relating to carpet sweepers : en
  • GB537456A - Improvements in electric transformers : en
  • CA397411A - Furnace control : en fr
  • US2246739A - Relay : en
  • US2247215A - Cutting apparatus : en
  • GB537535A - Improvements relating to a method of stabilizing the color of vegetables during canning and storage : en
  • GB537553A - Extended metal netting, particularly applicable to the production of fencing, reinforcing and like structures and method of making the same : en
  • US2246503A - Method of relieving cutters : en
  • DE707635C - Diaphragm arrangement on low pressure fuses : de en
  • US2246491A - Ruling instument : en
  • US2246640A - Cleaning or sweeping device : en
  • US2247124A - Cuproammonium cellulose spinning solution and method of preparing the same : en
  • US2247181A - Carburetor for hydrocarbon fuels : en
  • US2247229A - Electrical cooking apparatus : en
  • GB537566A - An improved curtain rail : en
  • DE707568C - Method of filling boreholes : de en
  • DE707576C - Circuit arrangement for sensing alternating currents generated by tube generators : de en
  • GB537558A - Linear thermionic amplifying systems : en
  • US2246816A - Current responsive protective relay system : en
  • US2246932A - Combination single and two stage vacuum pump : en
  • US2247004A - Driving mechanism for flexible shafts : en
  • US2246952A - Signaling system : en
  • US2246830A - Motor vehicle construction : en
  • US2246631A - Scanning method for television image analyzers : en
  • GB537522A - Improvements in or relating to contacts for electric circuit breakers, switches, connectors and the like : en
  • GB537534A - Improvements in and relating to spectacle and like cases : en
  • US2246845A - Fluid lift pumping attachment for fluid circulating systems : en
  • US2247133A - Current supply means : en
  • USRE21838E - Aeronautical device : en
  • FR866188A - Improvements to oscillating generators controlled by piezoelectric crystal : en fr
  • US2246725A - Treatment of oil wells : en
  • GB537481A - Improvements in or relating to machines adapted to perform a trimming operation on the marginal portions of shoe soles : en
  • DE707485C - Process for removing the burr on the weld seam of electrically welded pipes formed from steel band into a pipe : de en
  • FR866192A - Simplified device, image transceiver : en fr
  • DE707595C - Device arranged on a sheet-fed printing machine for spraying freshly printed sheets with liquid substances : de en
  • US2246983A - Coating composition and method of making the same : en
  • US2246707A - Transfer ring support and trimming knife : en
  • US2246934A - Fractional distillation : en
  • US2247099A - Faucet : en
  • DE707573C - Wood saccharification process : de en
  • GB537471A - Improvements in or relating to mountings for electric fittings : en
  • US2246505A - Control system : en
  • US2246788A - Hinged bumper guard : en
  • US2246839A - Means for cutting fish : en
  • US2247015A - Dead end clamp : en
  • US2246896A - Apparatus for sectionizing citrus fruits : en
  • DE707468C - Photoelectric door control : de en
  • US2246525A - Automatic wrapping machine : en
  • US2247076A - Tuning instrument : en
  • US2246918A - Unidirectional scanning : en
  • US2247154A - Resin : en
  • GB537479A - Dehydrogenation : en
  • US2247082A - Electronic voltage regulator : en
  • US2247344A - Crankshaft grinder : en
  • US2246638A - Strap connecting ring : en
  • US2246941A - Refrigeration apparatus and method : en
  • US2247159A - Electric brake : en
  • FR866161A - Improvements to hydraulic control systems : en fr
  • US2247297A - Machine for testing and matching colors : en
  • AT160500B - Method for determining heights above the ground, in particular of flight heights when landing an aircraft, with the aid of penetrating rays according to the reflection principle. : de en
  • DE707491C - Purification device for large furnaces : de en
  • US2246749A - Blanket : en
  • US2247309A - Oil supply indicating mechanism for internal combustion engines : en
  • GB537426A - An improved apparatus for treating cleansing fluids and applying same to surfaces to be cleaned : en
  • GB537511A - Improvements in electric cables : en
  • DE702996C - Device for exposing the fibers from pre-broken, non-corrugated bast fiber stalks : de en
  • DE707479C - Process for the production of a mass for magnetic cores, pressed from individually isolated particles of magnetic material : de en
  • US2247096A - Mover's dolly : en
  • USD127884S - Design for a medal : en
  • US2246819A - Apparatus for producing printing plates : en
  • GB537584A - Improvements in or relating to thread winding machines having a plurality of windingspindles : en
  • CA397399A - Wrench : en fr
  • CA397531A - Engine control apparatus : en fr
  • US2246561A - Method and apparatus of photography : en
  • US2246824A - Vehicle frame : en
  • DE707503C - Device for starting motor vehicles, whose starting acceleration represents a maximum value : de en
  • US2246965A - Plaything : en
  • US2246911A - Siftproof bag : en
  • US2247098A - Tong : en
  • US2247104A - Photographic roll film camera : en
  • US2246549A - Combination coolant and lubricant for cold rolling mills : en
  • US2246901A - Distributor cable connector : en
  • US2247047A - Apparatus for inspecting glass sheets or the like : en
  • US2247174A - Combined cigarette case and lighter : en
  • CA397493A - Impedance coupled amplifier : en fr
  • US2246575A - Electric bridge circuit : en
  • US2246742A - Telephone system : en
  • AU324740A - Improvements in servo-control apparatus : en
  • DE707518C - Changeover switch for shunt motors : de en
  • DE707544C - Temperature measuring device for electrical cables laid in the ground : de en
  • US2246748A - Boot and shoe lasting machine : en
  • US2246994A - Filter for gaseous media : en
  • US2247191A - Cut flower holder : en
  • USD127959S - Combination street dress and evening zress : en
  • US2246815A - Automobile lock structure : en
  • US2246967A - Follow block : en
  • US2247094A - Air cooling means for internal combustion engines : en
  • US2247117A - Lamp holder : en
  • GB537465A - An improved vegetable fabric and method of producing the same : en
  • US2247145A - Vessel for the transport of vehicles : en
  • DE707650C - Frequency division method using a cathode ray tube : de en
  • US2246794A - Automobile hood latching structure : en
  • CA397438A - Loom resetter : en fr
  • US2246799A - Cutting tip for hammer mills : en
  • GB537567A - A process for manufacturing compositions particularly suitable for road construction purposes : en
  • US2247025A - Inserting and removing device : en
  • USRE21844E - vetter : en
  • GB537525A - Improvements in motor and pump sets : en
  • US2246961A - Lamp switch mechanism : en
  • US2246564A - Hair waving apparatus : en
  • US2246838A - Fluid fountain device : en
  • US2246696A - Oscillator system : en
  • US2246883A - Date indicator for timepieces : en
  • DE707482C - Potentiometer circuit for an electrical recorder of volume : de en
  • DE707315C - Circuit arrangement for the optional transmission of various types of messages by electrical signals : de en
  • DE707532C - Process for the preparation of dibromofluoranthene : de en
  • GB537598A - Improvements in weaving looms : en
  • DE707629C - Dust extraction device, in particular for grinding machines : de en
  • US2246982A - Process for fractionating hydrocarbon oils : en
  • USD127940S - Design fob a dress : en
  • US2246796A - Apparatus adapted for scoring and rerecording sound : en
  • GB537467A - Improved process of matting textiles : en
  • DE707577C - Multiple connector : de en
  • DK58800C - The rinsing cisterns. : da en
  • US2246806A - Welder : en
  • DE707524C - Compass arrangement with rotating winding : de en
  • AU414240A - High frequency apparatus : en
  • US2246892A - Tobacco feeding apparatus : en
  • DK58785C - Process for the Preparation of Substituted Amides of the Homologues of Isoxazole Carboxylic Acids. : da en
  • GB537447A - Improved circuit arrangements for operating electric discharge lamps : en
  • US2246733A - Transmission gear for changing rotating movements into reciprocating movements : en
  • US2247131A - Bracket for flashlights : en
  • US2246681A - Practicing device for golfers : en
  • GB537588A - Method of and apparatus for testing hermetically sealed containers and other closed,hollow bodies : en
  • US2246789A - Automobile hood latch : en
  • US2247053A - Rotative winged aircraft : en
  • US2246844A - Apparatus for separating products from mineral wool blow chambers : en
  • US2246772A - Pump : en
  • DK58781C - Blackout screen with Reflector. : da en
  • US2246495A - Safety pin : en
  • US2246884A - Potentiometer : en
  • US2247003A - Dental cleaning compact : en
  • USD127950S - Design for a casing foe sound apparatus : en
  • US2246517A - Beater : en
  • GB537580A - Improvements in and relating to section insulators, insulated approaches and the like, for electric vehicles : en
  • US2247006A - Electrical plug and base : en
  • GB537452A - Improvements in cooking ranges fired with solid fuel : en
  • FR866164A - Improvements in devices for distributing a liquid on the surface of the blades of a propeller and, in particular, of the blades of an airplane propeller : en fr
  • US2246811A - Well flowing device : en
  • US2246852A - Snap fastener : en
  • US2246942A - Piston : en
  • US2247340A - Auxiliary building structure : en
  • CA397385A - Autographic register : en fr
  • CA397424A - Thermionic valve circuit arrangement : en fr
  • US2246755A - Paper bottle : en
  • DE707592C - Process for the production of pure lignosulfonic acids : de en
  • US2246543A - Railroad car for transporting vehicles : en
  • US2246595A - Method of obtaining pregnandione compounds : en
  • US2246752A - Vertical guard and supplemental protecting means : en
  • USD127951S - Design for a casing for sound apparatus : en
  • FR866140A - Development of fire control devices : en fr
  • GB537459A - Barrel or drum stand embodying a device to facilitate positioning heavy barrels or drums : en
  • FR866176A - Friction clutches improvements : en fr
  • DE707502C - Shaft coupling with rubber blocks as power transmission means : de en
  • DE707581C - Insertion device for threshing machines : de en
  • DE707626C - Arrangement of a razor blade band in a device for grinding or polishing the same : de en
  • US2246798A - Precooler for refrigerator cars : en
  • US2246858A - Box covering machine : en
  • US2246509A - Connecting device : en
  • US2247085A - Amplifier : en
  • DE707648C - Procedure for degassing liquids : de en
  • DE707450C - Switching device for carrying out the method according to patent 688697 for the automatic display of combustible gas additions : de en
  • DE707639C - Process for hardening gears with hardened surface and tough core : de en
  • GB537476A - Improvements relating to fluid-pressure systems and valves therein : en
  • GB537483A - Improvements in or relating to internal combustion engines operating with supercharging : en
  • DE707462C - Piston pump with parallel pistons arranged in a circle in a cylinder drum : de en
  • US2247218A - Neutralizing circuits employing resonant lines : en
  • DE707556C - Dust knocker : de en
  • GB537443A - Improvements in scaffold clamps : en
  • US2246592A - Conversion of hydrocarbon oils : en
  • US2246906A - Marking device for hole detectors : en
  • CA397435A - Gas pumping method : en fr
  • US2246940A - Pump control : en
  • US2247317A - Protective relay : en
  • US2246689A - Mechanical movement : en
  • US2246516A - Governing and synchronizing system : en
  • US2246962A - Galley lock : en
  • GB537489A - Improvements relating to furnaces : en
  • DE707587C - Device for securing iron pit punches in floezen with a strong angle of incidence by connecting the punches to a continuous, movable safety device : de en
  • DE707588C - Loose leaf clip : de en
  • US2246868A - Compressor : en
  • FR866156A - Advanced heater : en fr
  • FR866185A - Closure of packaging boxes for shells and grenades : en fr
  • GB537449A - Improvements in or relating to control apparatus for sluice and like valves : en
  • GB537437A - Improvements in or relating to the reproduction of recorded sound : en
  • DE707596C - Cart made of light metal for quick pressing : de en
  • FR866191A - Fuel injection device for internal combustion engines and other engines : en fr
  • CA397395A - Stone-working tool : en fr
  • DE707583C - Vessel sealing machine : de en
  • US2247308A - Pile fabric : en
  • US2247250A - Game : en
  • US2247255A - Process for improving the stability of nitroparaffins : en
  • DE707500C - Slide version of two frames that fit together like a lid : de en
  • CA397467A - Recording lock : en fr
  • GB537488A - An improved thermal maximum demand indicator : en
  • CA397407A - Fibre can body making machine : en fr
  • CA397477A - Resilient car wheel : en fr
  • CA397497A - Luminescent material : en fr
  • US2247081A - Inking roller for recorders : en
  • GB537472A - Improvements in or relating to means for attaching lids, covers, doors or like panels to boxes or other compartments : en
  • DE707535C - Safety device for locomotives and traction vehicles : de en
  • DE707642C - Multi-walled cross-bottom valve bag made of paper : de en
  • CA397456A - Multimotored vehicle : en fr
  • DE705636C - Device for automatic release of the boat buoyancy block in the event of gravity davits : de en
  • GB537462A - Improvements in or relating to valves for controlling the flow of fluids : en
  • FR866152A - Composite material : en fr
  • US2246504A - Woven elastic fabric : en
  • AU113290B2 - New crystallised glucoside and a process for its isolation from red squill : en
  • US2247332A - Control of electric power systems : en
  • US2246938A - Slide needle for taking up loops : en
  • US2246692A - Bag rack : en
  • US2246975A - Sanitary waste can : en
  • US2247314A - Portable power driven saw : en
  • US2246915A - Polyvinyl alcohol composition : en
  • DE707658C - Device for fastening the anode body in Braun tubes with magnetic beam influence : de en
  • US2246502A - Automatic spraying machine : en
  • US2246930A - Voting machine : en
  • CA397398A - Train control system : en fr
  • CA397447A - Container structure : en fr
  • US2246532A - Coal cleaning apparatus : en
  • DE707534C - Process for the production of monovinylacetylene : de en
  • GB537586A - Improvements in or relating to the illumination of dials of instruments and other surfaces : en
  • CA397444A - Tire mounting method : en fr
  • US2246508A - Feeding and registering apparatus : en
  • AU189941A - Improvements in or relating to footwear : en
  • US2246916A - Hold-down and chip collecting attachment for drills : en
  • US2247055A - Telephone system : en
  • US2247270A - Siliceous body : en
  • AT160510B - Arrangement for the interference-free reception of wireless broadcasts. : de en
  • US2247156A - Newspaper intaglio perfecting press : en
  • CA397437A - Lamp mantel holder : en fr
  • US2246578A - Trussed structural member and method of and means for its manufacture : en
  • US2247110A - Glue applicator : en
  • AT160488B - Process for the preparation of compounds in the 3-position of the estradiol type. : de en
  • CA397534A - Engine control apparatus : en fr
  • DE707632C - Process for treating musical instruments, in particular violins, with lacquers : de en
  • AT160504B - Process for working up cellulose benzylation mixtures. : de en
  • GB537590A - Improvements in apparatus for supplying gas at a controlled rate : en
  • US2246775A - Pneumatic tire valve : en
  • US2247305A - Apparatus for cutting and/or marking buttonholes and effecting similar operations : en
  • AT160513B - Process for the production of electric heating elements from refractory metals. : de en
  • US2246548A - Protective relay : en
  • US2246898A - Nonslip wear-resistant tread : en
  • USD127933S - Design for a handbag : en
  • GB537425A - Improved dielectric for insulating couplings : en
  • CA397439A - Justifying compression quad : en fr
  • GB537562A - Improvements in or connected with inflator nozzles : en
  • CA397470A - Hat making apparatus : en fr
  • AU235040A - Improvements in fastening or jointing means : en
  • CA397371A - Washing machine : en fr
  • US2246572A - Protection tag seal : en
  • US2247162A - Start-stop code transmitter : en
  • US2247249A - Telephone instrument casing lock : en
  • US2247325A - Casing pump assembly : en
  • USD127958S - Design for a coat : en
  • US2247240A - Hair curler : en
  • US2247275A - Automatic motorized typewriter : en
  • US2246677A - Liquid conductor heater : en
  • US2246717A - Sanitary smoking pipe and structure : en
  • AU113325B2 - Cone clutch : en
  • US2247122A - Visible name ledger : en
  • CA397460A - Time controlled system : en fr
  • AT160507B - Protective device for three-phase systems with an alternating current relay. : de en
  • US2247093A - Cigar lighter : en
  • DE707486C - Suction blower, especially for high-speed railway vehicles : de en
  • AT160509B - Motor vehicle with the load-bearing wheels or runners and caterpillar drive. : de en
  • CA13103S - Frozen confection : en
  • AT160498B - Construction part made of profile strips or sheet metal, especially for air and other vehicles and. like : de en
  • GB537560A - Improvements in and relating to reinforced concrete piled piers : en
  • CA397379A - Loose leaf binder : en fr
  • US2246966A - Reinforced end for containers : en
  • US2247283A - Boring tool : en
  • US2246851A - Separating device : en
  • GB537480A - Process for the production of ketene, acetic anhydride, acetic acid and homologues thereof : en
  • AT160485B - Process for bleaching cotton goods. : de en
  • AT160515B - High temperature electric radiator. : de en
  • DE707580C - Process for the preparation of emulsions containing therapeutically active substances for injection purposes : de en
  • US2246695A - Container : en
  • CA397396A - Wire insulation stripper : en fr
  • DK58793C - Process for the production of poultry feed in the form of a powdered mass. : da en
  • USD127888S - Design for a chair : en
  • DE707460C - Hand sewing device : de en
  • US2246678A - Deep well and cistern automatic pumping plant : en
  • US2247338A - High frequency apparatus : en
  • US2246679A - Measuring instrument : en
  • US2247230A - Cooking utensil : en
  • US2246728A - Material-handling device : en
  • US2247125A - Casing joint structure : en
  • CA397369A - Double wall : en fr
  • US2246754A - Magneto : en
  • US2247147A - Process of preparing cyclopentanehydrophenanthrene ketones : en
  • USD127914S - Design for a fluorescent lamp fixture : en
  • US2246709A - Blowout preventer : en
  • USD127945S - Design for a dress ensemble : en
  • US2246955A - Receptacle : en
  • US2247022A - Lamp : en
  • US2246891A - Joint for step-down pipe piling : en
  • US2246792A - Combination hinging and latching assembly for automobile hoods : en
  • US2246960A - Brace means : en
  • US2246604A - Photogrammetic stereoscope : en
  • US2246669A - Pulp screening apparatus : en
  • US2246675A - Quenching apparatus : en
  • US2246512A - Safety fastener : en
  • US2246645A - Recovery of halogens : en
  • DK58795C - Method of Making a Mass Suitable for Making White Paper. : da en
  • US2246630A - Line implement : en
  • US2246860A - Tire patch mold : en
  • CA397408A - Fibre container : en fr
  • US2247013A - Dental impression tray : en
  • US2247177A - Attachment for ironing boards : en
  • DE707594C - Device for applying the staff to transfer printing plates : de en
  • GB537554A - Improvements in and relating to electrostatic vibratory devices : en
  • US2246980A - Synthesis of olefin derivatives : en
  • USRE21843E - Flexible coupling : en
  • USD127891S - Design for an electric lighting fixture : en
  • US2246880A - Leaf pickup device for lawn mowers : en
  • USD127954S - Design for a dress : en
  • USD127941S - Design fob a dress : en
  • US2246865A - Method of forming taps : en
  • US2247310A - Shampoo apparatus : en
  • US2247271A - Screen and means for preventing blinding thereof : en
  • GB537563A - A process for the production of bituminous materials : en
  • FR866155A - Device for ensuring the seal between an intermittently rotating shaft and the wall of a pressure vessel : en fr
  • US2246809A - Oil burner : en
  • US2247341A - Container : en
  • US2246993A - Shoe lasting machine : en
  • GB537496A - Improved lubricating system for internal combustion engines : en
  • DK58798C - Procedure for the production of cast objects, in particular of concrete. : da en
  • GB537559A - Improvements in and relating to backing devices for use in electric welding operations : en
  • DE707553C - Flat weft knitting machine with hook knock off comb : de en
  • US2246519A - Drift recorder : en
  • US2246913A - Compressor regulator : en
  • US2246921A - Elevator position indicator : en
  • DE707646C - Screw-on binding with toe cheeks : de en
  • US2247127A - Trimming mechanism for sewing machines : en
  • US2247267A - Measuring and conteol apparatus : en
  • US2247036A - Electrically conductive bonded oxide composition : en
  • US2247306A - Screen retainer : en
  • US2246907A - Continuous molding machine : en
  • GB537421A - Improvements in or relating to heat exchange devices and method of making the same : en
  • US2246764A - Valve : en
  • US2247086A - Elastic fluid turbine arrangement : en
  • US2247023A - Universal flow device for wells : en
  • DE707536C - Method for the transmission of characters that are resolved into pixels and applied to a transmission roller : de en
  • FR866187A - Automatic regulator of the fuel inlet opening in an internal combustion engine : en fr
  • US2246870A - Motor vehicle sweep rake attachment : en
  • US2247119A - Air conditioning apparatus : en
  • US2247311A - Spray fixture and its novel parts : en
  • USD127942S - Design for a dress ensemble : en
  • USRE21839E - Frequency converter : en
  • US2246804A - Method of smoking food and apparatus for use in connection therewith : en
  • GB537492A - Improvements in or relating to electron discharge apparatus : en
  • US2247148A - Treating cracked petroleum distillates for color : en
  • GB537419A - Improvement in electrically heated electrode steam boilers provided with power consumption and salt concentration controllers : en
  • FR866154A - Absorption mass for air filtration and in particular for arsenic derivatives : en fr
  • DE707657C - Control device for phase adjustment for drive magnets of induction measuring devices : de en
  • DE707508C - Bridging tank : de en
  • US2246853A - Mending kit : en
  • US2247059A - Remote control switching apparatus : en
  • FR866182A - Door lock particularly applicable to motor vehicles : en fr
  • GB537478A - Improvements relating to aircraft sustaining rotors : en
  • US2246908A - Continuous molding machine : en
  • DE707622C - Drive for the drum of a drum heater heated on both sides : de en
  • US2246624A - Conveyer : en
  • US2246712A - Lubricant : en
  • USD127885S - Design for a badge or the like : en
  • CA397428A - Tensiometer control system : en fr
  • DE707488C - Dynamic control circuit for a receiver or amplifier : de en
  • FR866200A - Improvements to wire winding machines or similar machines : en fr
  • AT160493B - Process for the production of radioactive tissues. : de en
  • AU113320B2 - Improved compacting and surfacing machine : en
  • CA397436A - Lamp mantle : en fr
  • US2247264A - Revolving car seat : en
  • AU113303B2 - Improvements in broadcast distributors for fertilizers andother powdered and granular materials : en
  • US2247029A - Navigation instrument : en
  • CA397526A - Meter connecting device : en fr
  • DE707649C - Device for the continuous sulphiding of alkali cellulose : de en
  • US2246612A - Power hammer : en
  • US2246601A - Electromagnetically operated shaver : en
  • US2246943A - Mower sickle bar : en
  • US2247016A - Egg opener : en
  • US2247043A - Extreme pressure lubricant : en
  • USD127922S - Design fob a wheeled fire : en
  • US2246736A - Ear stopper : en
  • DE707533C - Process for the production of butadiene : de en
  • CA397361A - Sulphur dioxide production : en fr
  • CA397532A - Engine control apparatus : en fr
  • DE707567C - Rear reflector according to patent 692562 combined with a rear light : de en
  • DE707640C - Vibration-free brush holder for electrical machines : de en
  • US2247103A - Dust receptacle for suction cleaners : en
  • GB537602A - Method of and apparatus for the production of artificial fibres such as glass fibres : en
  • US2246998A - Low pressure fuel air injection and ignition system : en
  • AU113317B2 - Improvements in or relating to methods of preparing compounds of phenolphthalein and the improved compounds produced thereby : en
  • US2246925A - Typewriter erasing key : en
  • CA397459A - Rubber tire : en fr
  • DE707651C - Pendulum frequency receiver : de en
  • GB537509A - Manicuring tool holders : en
  • US2247090A - Valve : en
  • US2246774A - High speed clutch : en
  • US2247126A - Clean circuit powdered catalyst cracking : en
  • US2246820A - Infant incubator : en
  • US2246855A - Apparatus for the production of music : en
  • US2246944A - Foot gripper for shoes : en
  • DE707625C - Device to compensate for the periodic feed fluctuations of machine slides, especially in thread grinding machines : de en
  • CA397521A - Wiping solder : en fr
  • GB537595A - Improved pole-piece assemblies for telegraphones : en
  • CA397401A - Clutch mechanism for change speed and reversing gearing : en fr
  • CA397475A - Abrasive article and backing : en fr
  • AU236240A - Improvements in or relating to methods of preparing compounds of phenolphthalein and the improved compounds produced thereby : en
  • CA397468A - Expansion bit : en fr
  • US2246623A - Knockdown cribbing for graves : en
  • USD127927S - Design for a foot-operated switch : en
  • AT160499B - Single axle drive for rail vehicles. : de en
  • AU113291B2 - Ignition means : en
  • AU234340A - Improvements relating to handpieces for sheepshearing machines : en
  • US2246875A - Method and apparatus for loading receptacles with volatile liquids : en
  • DE707654C - Insulating molded housing for electrical devices with flange for mounting on busbar boxes : de en
  • US2247102A - Pressure responsive gauge : en
  • DE707543C - Locking device for adjusting devices of high frequency technology : de en
  • FR866186A - Device for blocking shells in packaging boxes and closing : en fr
  • US2246538A - Driving device for the transmission of power by rolling elements, especially for driving timing mechanisms of tachometers : en
  • US2247285A - Gas cleaner : en
  • US2246541A - Safety paper : en
  • US2246768A - Method of dehydrating a hydroxtl : en
  • US2247322A - Cord lock for venetian blinds : en
  • US2246614A - Method and apparatus for closing and sealing cartons : en
  • US2247021A - Electrical fitting : en
  • GB537469A - Improvements in or relating to apparatus for the flocculation of matter suspended inliquid : en
  • AT160505B - Tube furnace for distilling oils. : de en
  • USD127937S - Design for a speaker casing : en
  • US2246793A - Automobile hood latching means : en
  • CA397483A - Course deviation indicating device : en fr
  • GB537450A - Improvements in electro-magnetic relays : en
  • CA397455A - Liquid fuel : en fr
  • US2247153A - Continuously variable speed changing means : en
  • DE707471C - Brick cleaning machine : de en
  • CA397373A - Insect destroyer : en fr
  • US2246822A - Method of controlling the physical dimensions of molded hydrocolloid bodies : en
  • US2246989A - Cord controlling device : en
  • CA397457A - Multimotored vehicle driving unit : en fr
  • US2246958A - Rectifying arrangement for ultra short waves : en
  • US2247072A - Tennis stroke practice device : en
  • US2246888A - Rivet : en
  • US2246991A - Mulling apparatus : en
  • US2247157A - Ruler : en
  • US2247009A - Safety axle snubber : en
  • US2247067A - Autographic register : en
  • DE707558C - Adjustable fluid vortex brake : de en
  • AU113313B2 - Improved two-cycle internal combustion engine : en
  • US2246555A - Relative wind indicating means for aircraft : en
  • US2247320A - Article of limp sheet material : en
  • DE707509C - Device for the automatic interruption of the row fire of machine weapons, in particular aircraft weapons : de en
  • GB537464A - Improvements in automatic locking devices for aircraft undercarriages : en
  • US2246634A - Beverage cooler and dispenser : en
  • US2246756A - Control apparatus : en
  • US2246951A - Pump unit for liquid dispensing apparatus : en
  • USD127925S - Design for a bench : en
  • DE707484C - Keyboard instrument such as piano, piano, grand piano or the like. : de en
  • US2246785A - Automobile door locking structure : en
  • US2246879A - Vehicle spring : en
  • US2247027A - Dialing tool : en
  • DE699621C - Method for determining the sense of change of the synchronous transmission system : de en
  • GB537429A - Improvements in glass melting tanks : en
  • DE707600C - Automatic decoupling device for mine transport vehicles with ejectors : de en
  • US2246607A - Conversion of hydrocarbon oils : en
  • US2246627A - Tractor construction : en
  • US2246823A - Radiator protector : en
  • US2247263A - Process and product for the production of low-carbon chromium alloys : en
  • US2246759A - Extrusion device and method of making formations of plastic material : en
  • US2246606A - Clothespin : en
  • AT160516B - Carrier frequency system. : de en
  • CA397381A - Weeding machine : en fr
  • DE707436C - Terminal block used to connect lighting bodies : de en
  • AT160497B - Oven. : de en
  • CA397367A - Reinforced concrete floor and ceiling : en fr
  • CA397427A - Insulated cabinet : en fr
  • DK58799C - Method and Apparatus for Treating Grain, Piece and Powdered Materials with Gases. : da en
  • US2247071A - Interlocking control apparatus : en
  • AU188240A - Improvements relating to apparatus forthe clay treatment of oils : en
  • US2246690A - Thermostatic material : en
  • US2246703A - Alkylation : en
  • USD127899S - Design for a novelty doll : en
  • USD127917S - Design for a crdjbage board : en
  • US2247248A - Wire drawing block : en
  • CA397377A - Pot support : en fr
  • US2247294A - Radio directional control for aircraft : en
  • CA397368A - Building element mould : en fr
  • CA397429A - Copper base alloy : en fr
  • USD127952S - Cabinet for sound reproducing apparatus : en
  • AU113296B2 - Improvements in servo-control apparatus : en
  • GB537538A - Improvements in machines for use in the froth flotation of minerals : en
  • GB537568A - Improvements in or relating to electromagnetic bells : en
  • CA397519A - Electron discharge device : en fr
  • US2247210A - Method of preparing lignin and product thereof : en
  • DK58796C - Seat for Bicycle Saddles of the Coil Spring Type. : da en
  • US2246680A - Measuring apparatus : en
  • US2246848A - Motor vehicle : en
  • USD127901S - Brooch or similar article : en
  • USD127957S - Design for a handbag : en
  • US2246894A - Brake hanger bracket : en
  • CA397374A - Fish hook : en fr
  • CA397445A - Fibrous textile material stabilizer : en fr
  • AT160490B - Switch-on dynamometer. : de en
  • DE707512C - Spinning spindle with removable attachment : de en
  • USD127880S - Design for a face plate for article of jewelry : en
  • US2246498A - Pneumatically controllable cowling : en
  • US2246535A - Pneumatic device : en
  • CA397522A - Pipe wrench : en fr
  • US2247205A - Molded lignocellulosic product : en
  • US2247261A - Unloading valve for reciprocating ram pumps : en
  • US2247284A - Boring tool : en
  • US2246995A - Safety detention screen : en
  • CA397366A - Floor and panel making method : en fr
  • USD127918S - Design for a bottle : en
  • CA397515A - Knob and handle fastening device : en fr
  • USD127907S - Design for a game board : en
  • USD127909S - Design for a brooch or similar article : en
  • AU335040A - Improvement in signal receiver with automatic frequency control : en
  • US2246655A - Tape splicer : en
  • US2246821A - Wheel suspension : en
  • US2247049A - Wagon loader : en
  • US2246540A - Enolic ethers of keto-cyclopentanopolyhydro-phenanthrene compounds and method of preparing same : en
  • US2246608A - Skein-forming machine : en
  • DE707507C - Frame support for shoe sole adhesive presses : de en
  • US2247227A - Valve for automotive vehicle heaters : en
  • US2246618A - Cleaning device : en
  • USD127953S - Design for a dress : en
  • US2246670A - Connecting device : en
  • DE707633C - Device for the heat treatment of all kinds of goods : de en
  • USD127947S - Design for a casing for sound apparatus : en
  • GB537556A - Improvements in or relating to voltage regulating systems employing on-load tap-changing switchgear : en
  • US2246554A - Buffing compound : en
  • US2247343A - Knitted fabric and method : en
  • US2246882A - Vehicle wheel supporting truck : en
  • CA397434A - Paper coating method : en fr
  • AT160481B - Process for the preparation of quaternary ammonium compounds. : de en
  • AT160483B - Method and apparatus for making picture-tone films. : de en
  • GB537516A - A beam controlling device for lamps : en
  • US2247061A - Push button switch : en
  • US2246506A - Air conditioner : en
  • US2246510A - Retractable pitot static tube : en
  • US2246672A - Pant curtain : en
  • US2246926A - Surge protection for electrical apparatus : en
  • US2246583A - Heat shield for motion picture projectors : en
  • DE707574C - Process for the pre-hydrolysis of plant substances : de en
  • FR866194A - Cutting chain for mining machines or the like : en fr
  • GB537600A - Improvements in or relating to cosmetic holders : en
  • US2246957A - Continuous rotary shearing mechanism : en
  • DE707602C - Switching device with a rotating container for periodic switching operations, containing contact fluid and tumbling : de en
  • AU231740A - Improvements in or relating to telecommunication exchange systems : en
  • GB537451A - Improvements in or relating to spinners for airscrews : en
  • GB537603A - Improvements in liquid blast electric circuit breakers : en
  • GB537436A - Improvements in and relating to roll winding machines : en
  • DE707514C - Trolley for conveying stacks of bricks : de en
  • DK58790C - Needle holder for electric tone sensors. : da en
  • US2246628A - Mechanic's creeper : en
  • US2246715A - Furnace grate : en
  • US2247313A - Alternating current series motor : en
  • US2246933A - Electrical capacitor : en
  • US2247280A - Stabilizing fatty compositions : en
  • US2246929A - Cigarette : en
  • US2246976A - Print roll : en
  • US2247026A - Method of making fuel briquettes : en
  • US2247095A - Ball rolling game : en
  • US2247107A - Refrigerant evaporator : en
  • US2247194A - Circuit breaker : en
  • GB537550A - Improvements in connection with roof-coverings : en
  • US2246753A - Vertical guard and supplemental guardrail securing means : en
  • US2246795A - Method of mounting printing plates : en
  • AT160495B - Device to be attached to the body with vestibules. : de en
  • AU113298B2 - Improvement in signal receiver with automatic frequency control : en
  • US2246611A - Method of treating oil and gas wells : en
  • US2247083A - Wheelbarrow chassis and body construction : en
  • GB537498A - Improvements in or relating to the filtration of liquids : en
  • GB537551A - Improvements in systems for the automatic control of variable characteristics : en
  • US2246526A - Resinous product having anion exchange properties and process of producing same : en
  • US2246557A - Bus connector : en
  • US2246531A - Apparatus for saturating fibrous stock : en
  • US2247040A - Hot oil strainer : en
  • USD127934S - Design for a handbag : en
  • GB537530A - Short wave transmitters : en
  • US2247065A - Method of purifying and concentrating caoutchouc dispersions or the like : en
  • US2247178A - Gas range : en
  • US2246663A - Window screen : en
  • US2246619A - Draft regulator : en
  • GB537524A - Improvements in or relating to microphones : en
  • US2246903A - Expansion joint : en
  • US2247132A - Method of and means for controlling the effective depth of immersion baths : en
  • GB537444A - Improvements in thread spools and the method of constructing the same : en
  • CA397461A - Metal compound reduction : en fr
  • US2247315A - Tethered aerial top or spinner : en
  • GB537432A - Improvements in, and connected with, self-starting synchronous electric motors : en
  • GB537571A - Improvements in bearings for colliery tubs and like light railway vehicles for use in mines and like places : en
  • US2246890A - Transformer construction : en
  • US2247277A - Fire alarm apparatus : en
  • DE707599C - Removable ring-shaped wheel flange for attachment to the hub of resilient wheels : de en
  • DE707472C - Process for the production of starch from corn : de en
  • GB537446A - Improvements relating to heat interchange apparatus of the gilled-tube type : en
  • DE707565C - Device to compensate for shrinkage during optical copying : de en
  • US2246513A - Mold for making cellular cores for radiators : en
  • US2247200A - Shift mechanism for accordions : en
  • US2247307A - Weft fork for circular weaving looms : en
  • DE707554C - Protective cover for injection molds : de en
  • DE707636C - Gas tap : de en
  • DK58786C - Procedure for the Preparation of d, l-Tocopherols. : da en
  • DE707606C - Converter in which the current is transmitted by periodically changing rays of conductive fluid : de en
  • AU213340A - Improved two-cycle internal combustion engine : en
  • US2246797A - Breaching nozzle for fire hose : en
  • US2247139A - Predetermining dispenser : en
  • US2247233A - Manifolding book : en
  • DE707570C - Process for the production of sintered magnesia : de en
  • US2246566A - Heating system : en
  • US2247066A - Trap : en
  • US2246710A - Wheel mounting : en
  • USD127946S - Design for a casing for sound apparatus : en
  • US2247321A - Venetian blind : en
  • US2247328A - Receiving circuit for signaling systems : en
  • US2246629A - Draft control apparatus : en
  • DE707495C - Process for making make-up, especially for eyebrows and eyelashes : de en
  • US2247302A - Hydraulic remote control device : en
  • GB537466A - Improvements in intermediates for use in photographic processes and their application : en
  • DE707545C - OElgestaenge for switch drives, especially for multi-phase high-voltage switches, e.g. B. Expansion switch : de en
  • US2247084A - Sealing closure for fuses or the like : en
  • US2247018A - Ice freezing mold : en
  • US2247135A - Control switch for vehicle direction signals : en
  • DE707493C - Device for direct endoscopy or endophotography : de en
  • US2246953A - Candle holder for candlesticks : en
  • US2247079A - Variable ratio transformer : en
  • US2247330A - Joint for combination wood and metal structures : en
  • USD127906S - Design for a sandwich grill : en
  • DE707498C - Photographic exposure meter with comparative light : de en
  • US2246560A - Flotation machine : en
  • US2246805A - Self-cleaning bearing : en
  • US2246533A - Container reclosure : en
  • DE707504C - Steering device in motor vehicles equipped with swing axles which are provided with several axles with steering wheels at one or both ends : de en
  • DE707617C - Locking device operated by a pressure medium for articulated connections, e.g. B. Joint supports and other applications : de en
  • GB537547A - Method of and apparatus for coating sheet material : en
  • US2247149A - Ironing machine control : en
  • US2247324A - Noise-limiting circuits for carrier wave communication systems : en
  • US2246841A - Refill fuse plug : en
  • DE707487C - Amplifier circuit with variable bandwidth : de en
  • GB537543A - Machine for milling ships screws, propellers and the like on the pressure and suction sides : en
  • US2247116A - Inlet fitting for swimming pools : en
  • US2246708A - Flush door handle and lock : en
  • GB537504A - Improvement in process and apparatus for coating supports : en
  • GB537541A - Improvements relating to aircraft landing gear : en
  • GB537486A - An electrical method and apparatus for analysing gaseous mixtures : en
  • DE707563C - Clamping device for workpieces : de en
  • US2246625A - Television scanning and synchronizing system : en
  • CA397544A - Pocket memorandum case : en fr
  • US2246700A - Self-corrective detachable sheet for school textbooks : en
  • US2246497A - Vibrating apparatus : en
  • GB537561A - An improved method of making an article of footwear having a rubber sole and a mouldfor carrying out the method : en
  • US2246808A - Vehicle lamp : en
  • CA397440A - Centrifugal separator liquid supplying means : en fr
  • CA397520A - Multistage amplifying system : en fr
  • CA397490A - Diode rectifier : en fr
  • DE707490C - Pair of dowel discs, the disc surfaces of which lie against one another, for connecting wooden components, especially in antenna support towers : de en
  • US2246546A - Isoprene butyrate and process for : en
  • US2247244A - Strand feed-controlling mechanism for textile or other machines : en
  • CA397529A - Electrical conductor : en fr
  • US2246866A - Spraying apparatus for tractors : en
  • US2246591A - Machinery packing : en
  • US2246846A - Mulling mill : en
  • US2246922A - Rotary frequency reducer for electromagnetic hammers : en
  • US2246946A - Planting, gardening, and landscaping apparatus : en
  • US2247188A - Screen and liner puller : en
  • CA397537A - Free-cutting aluminium alloy : en fr
  • DE707601C - Transmission mechanism for selecting a character : de en
  • USD127920S - Design for a drawing table : en
  • US2246676A - Refrigerator : en
  • AU236140A - Improved ventilator for use in walls, floors or ceilings of buildings : en
  • CA397400A - Shaft sinking and excavating device : en fr
  • US2246747A - Fruit clipper : en
  • US2246779A - Prolamin containing compositions and solutions : en
  • US2246807A - Fuse switch : en
  • CA397540A - Bicycle free-wheel brake hub : en fr
  • AU113304B2 - Container and distributor of lip staining material : en
  • CA397382A - Stereoscopic cinematographic apparatus : en fr
  • CA397496A - Wave sideband modulation : en fr
  • AU113306B2 - Improvements in or relating to gyroscopic apparatus : en
  • US2247186A - Building : en
  • CA397469A - Condensate syphon : en fr
  • GB537470A - Lathe : en
  • CA13102S - Bracelet : en
  • CA397503A - Liquid fuel vaporizing apparatus : en fr
  • US2246550A - Control for conditioning systems : en
  • US2247069A - Severing mechanism for bag making machines : en
  • US2247206A - Method for making moldable lignocellulosic material and product thereof : en
  • DE707615C - Interchangeable magazine for individual images to be displayed in a cycle : de en
  • AT160506B - Goniometer for determining the direction of electromagnetic waves. : de en
  • US2246984A - Adhesive display : en
  • US2246586A - Dry shaving cutter mount : en
  • US2247175A - Device for assembling articles : en
  • DE707390C - Dial for circular knitting machines : de en
  • GB537468A - An improved process for the separation of olefines from mixtures of hydro-carbons : en
  • GB537575A - Improvements in knife-sharpening devices and the like : en
  • GB537501A - Process for replenishing and correcting the electrolyte in the refining of aluminium by igneous electrolysis : en
  • FR866153A - Device for using radiations that are hardly or not visible, with a view to their application to signaling and driving, in particular of vehicles : en fr
  • US2246523A - Power razor : en
  • US2247017A - Ice freezing mold and tray therefor : en
  • US2247258A - Surgical instrument : en
  • US2246897A - Game device : en
  • US2247007A - Road grader : en
  • AU192040A - Improvements in telephone systems : en
  • US2246781A - Automobile door locking structure : en
  • US2246859A - Fan casing : en
  • US2246660A - Cornerpiece and the method of forming the same : en
  • US2247042A - Extreme pressure lubricant : en
  • US2246518A - Container : en
  • US2246959A - Catalytic cracking of hydrocarbon oil : en
  • US2247247A - Electric switch : en
  • USD127902S - Design fob a monogram plate for jewelry : en
  • US2246621A - Hydraulic brake safety appliance : en
  • US2247143A - Dialysis method and apparatus : en
  • US2246653A - Refrigeration : en
  • AT160511B - Process for the production of zip fasteners in any length by cutting from fastener straps continuously in the running piece and means for its execution. : de en
  • US2247219A - Device for reefing sails : en
  • US2247144A - Vessel loading and unloading mechanism : en
  • US2246569A - Process for oxidizing ethers : en
  • US2247224A - Bookbinding : en
  • US2247319A - Illuminating mirror : en
  • DE707550C - Combined electrical switching element : de en
  • GB537549A - Improvements in or relating to automatic pilot apparatus : en
  • US2246603A - Bearing tool : en
  • US2246878A - Audible signal for fire alarms : en
  • USD127928S - Design for a portable adjustable screen : en
  • CA397452A - Pinion and gear teeth alignment device : en fr
  • CA397458A - Colour coupling compound : en fr
  • US2246563A - Liquid level indication and control : en
  • CA397378A - Fireplace damper : en fr
  • CA397479A - Anhydrous sodium sulphate recovering apparatus : en fr
  • US2246545A - Isoprene pbopionate and method fob : en
  • US2247141A - Multiple valve bank : en
  • US2247296A - Tap, valve, and the like : en
  • US2247044A - Extreme pressure lubricant : en
  • GB537442A - Improvements in or relating to sets of toy-building units : en
  • CA397414A - Store front : en fr
  • US2246997A - Color photography : en
  • US2246720A - Fastener member and fastener installation : en
  • US2247113A - Optical alignment device : en
  • US2247221A - Gypsum plaster and method of manufacture : en
  • DK58789C - Paslære with Seeker. : da en
  • US2246978A - Friction device : en
  • US2247242A - Nipple with coupling head for high pressure lubricant devices : en
  • USD127882S - Design for an elevated tank : en
  • US2246701A - Internal combustion engine : en
  • US2246767A - Hair drier : en
  • US2247073A - Apparatus for starting electric motors : en
  • US2247290A - Package opener : en
  • US2246854A - Portable utility fryer : en
  • US2246864A - Suction cleaner : en
  • DE707645C - High heel nailing machine : de en
  • US2246654A - Hydrocarbon conversion system : en
  • US2247323A - Photographic exposure apparatus : en
  • US2246574A - Flexible and submersible decoy rack : en
  • US2246719A - Iron : en
  • US2247121A - Vacuum cleaner : en
  • US2247295A - Cinematographic apparatus : en
  • US2247274A - Refrigerated display case : en
  • US2246511A - Textile material : en
  • US2246617A - Soil basin tiller : en
  • US2246874A - Greasing device for threaded articles : en
  • DE707480C - Permanent hair waving device : de en
  • GB537545A - Alloys : en
  • US2246661A - Motor vehicle : en
  • US2246598A - Case : en
  • US2246735A - Method of processing thread : en
  • US2247281A - Stabilizing fatty composition : en
  • USD127883S - Weather surfacing strip or similar article : en
  • CA397388A - Carbon disulphide producing apparatus : en fr
  • US2246758A - Extrusion device : en
  • US2246520A - Machine for manufacturing prewelt shoes : en
  • USD127932S - Design for a handbag : en
  • US2247165A - Indexing apparatus : en
  • US2247303A - Needle bar for flat hosiery machines : en
  • US2246954A - Extractor for hose couplings : en
  • US2246704A - Resilient mounting : en
  • US2246905A - Constant speed series wound motor : en
  • US2246644A - Distributing machine for binding material : en
  • US2247259A - Method and composition for marking articles : en
  • US2246968A - Typewriting machine : en
  • USD127893S - Bowl for electric lighting fixtures : en
  • US2246936A - Brick package : en
  • US2247134A - Method of and means for forwarding sheets : en
  • US2247225A - Flame arrester : en
  • US2246570A - Flexible indexing strip : en
  • US2246602A - Cabinet heater damper control : en
  • US2246702A - Binder : en
  • US2247138A - System for television transmission : en
  • USD127949S - Design for a casing for sound apparatus : en
  • US2246862A - Suction cleaner : en
  • US2247326A - Air filter : en
  • CA397380A - Wheel handling carriage : en fr
  • CA397518A - High frequency oscillator : en fr
  • CA397421A - Electric incandescent lamp : en fr
  • US2246620A - Water paint : en
  • AT160514B - Process for the production of artificial structures such as rayon, synthetic staple fibers, horsehair, ribbons, films and the like. Like. From casein or from plant casein. : de en
  • US2247245A - Strand feed-controlling mechanism for textile and other machines : en
  • FR866179A - Improvements in car management : en fr
  • DE707634C - Device for drum dryer : de en
  • DE707566C - Device for automatic exposure control when second exposure or copying of films : de en
  • CA397541A - Hollow brick moulding apparatus : en fr
  • GB537422A - Improvements in life-saving apparel : en
  • US2246536A - Thermostat and other thermomotive means : en
  • US2246596A - Bag closure : en
  • US2247222A - Financial instrument : en
  • CA397466A - Container manufacture : en fr
  • CA397442A - Welding flux and electrode : en fr
  • DE707476C - Circuit arrangement for separating pulses of longer duration from those of shorter duration : de en
  • US2247342A - Method of forming axminster loom needles : en
  • US2246972A - Framing mechanism and shutter compensator : en
  • DE701264C - Doors for vehicles, especially motor vehicles : de en
  • CA397420A - Electric incandescent lamp : en fr
  • AU113312B2 - Improvements in or relating to combination radio receivers and talking machines : en
  • CA397471A - Electric generating plant : en fr
  • US2247211A - Fur inspection device : en
  • US2246750A - Coupling and coupling installation : en
  • US2247064A - Electrically insulating composition : en
  • DK58794C - Green fodder preservative. : da en
  • FR866159A - Universal rubber seal : en fr
  • GB537529A - Improvements in or relating to hose reels : en
  • GB537537A - Improvements in or relating to sanitary towels : en
  • US2246589A - Slicing mechanism : en
  • US2246780A - Sponge rubber process : en
  • USD127894S - Bowl for electric lighting fixtures : en
  • DE668741C - Process for the preparation of iodine and 2-phenylquinoline-4-carboxylic acids containing free or etherified oxy groups : de en
  • FR866183A - Elastic suspension for vehicle axles : en fr
  • US2247204A - Method of producing moldable lignocellulose and product thereof : en
  • US2247251A - Burglar alarm : en
  • US2246979A - Frictional torque transmitting device : en
  • USD127889S - Design for a brooch : en
  • AU121595B2 - Improvements in or relating to footwear : en
  • AU397540A - Improvements in games : en
  • FR866118A - Lubricant : en fr
  • DE707478C - Counting system : de en
  • AU407740A - Improved compacting and surfacing machine : en
  • CA397463A - Display carton flap clip : en fr
  • GB537597A - Improved bed-warmer : en
  • GB537490A - Improvements in or relating to electron discharge apparatus : en
  • CA397390A - Shoe insole : en fr
  • GB537542A - Improvements in and relating to ventilators : en
  • DE707564C - Stitch adjusting device for zigzag sewing machines : de en
  • GB537587A - Improvements in glazed rooflights or toplights for houses, greenhouses, garden frames and the like : en
  • US2246544A - Wrench : en
  • US2246791A - Automobile hood latching mechanism : en
  • US2247269A - Seat back : en
  • DE706929C - Process for simultaneous dephosphorization and desulfurization of steel : de en
  • FR866199A - Articles of armed celluloid and method of manufacturing reinforced celluloid plates usable in particular for spectacle frames : en fr
  • DE707609C - Method of making amber colored glass : de en
  • USD127900S - Design fob a serving bab : en
  • CA397498A - Photoelectric cell reproducer : en fr
  • GB537526A - An improved rotating cylinder in internal combustion engines : en
  • US2247045A - Extreme pressure lubricant : en
  • GB537420A - Power transmitting apparatus : en
  • FR866190A - Apparatus facilitating the removal of excess moisture from a web of material : en fr
  • US2246787A - Latch structure : en
  • US2247207A - Method for treating lignocellulosic material and product thereof : en
  • USD127929S - Design for a textile fabric : en
  • US2246637A - Signal : en
  • US2246664A - Trimming machine : en
  • DE707538C - Amplifier with downstream electrodynamic loudspeaker : de en
  • CA397375A - Tire casing treading method : en fr
  • CA397422A - Demand meter : en fr
  • FR866167A - Improvements in the treatment of metal objects in order to modify one dimension : en fr
  • DE707614C - Mirror body : de en
  • USPP476P - Apricot : en
  • US2246699A - Baton : en
  • US2247028A - Telephone booth cooling apparatus : en
  • US2247070A - Clean-out block assembly : en
  • US2246691A - Heating and cleaning fluid system : en
  • DE707537C - Circuit for phase correct correction of the photocell capacitance and the screen afterglow of a Braun tube used as a scanning light source on television transmitters : de en
  • CA397387A - Bulk cargo unloading boom : en fr
  • GB537517A - Improvements in appliances for facilitating the joining of the ends of conveyor and driving belts : en
  • GB537439A - A band-pass filter for electrical communication systems : en
  • GB537460A - Improvements in or relating to fluid pressure remote control systems : en
  • US2246489A - Spiral binder : en
  • US2247217A - Resonant line coupling circuit : en
  • US2247109A - Var meter : en
  • DE707481C - Process for modifying aluminum and practically silicon-free aluminum alloys : de en
  • CA397365A - Link cable drive : en fr
  • CA397426A - Registration control system : en fr
  • US2247176A - Gaseous electric discharge device : en
  • AT160494B - Process for the preparation of thiazolium compounds. : de en
  • CA397474A - Iron roll casting method : en fr
  • DE707631C - Floating tow rope : de en
  • US2246889A - Structural isomer of progesterone : en
  • US2246900A - Catalytic material : en
  • US2247209A - Method of making moldable lignocellulosic material and product thereof : en
  • US2247333A - Power lawn mower : en
  • US2247289A - Process for suspending glass plates : en
  • US2247298A - Multiple disk brake, coupling, and the like : en
  • US2246494A - Means for assembling elements by riveting : en
  • US2246893A - Chair seat : en
  • US2247169A - Blasting shell for surface blasting : en
  • GB537508A - The process of producing liver derivatives and the liver derivatives resulting therefrom : en
  • US2247097A - Catalytic cracking of hydrocarbon oil : en
  • CA397528A - Food handling apparatus : en fr
  • GB537445A - Improvements in or relating to the construction of metal skin covered wings for aircraft : en
  • AU230640A - Improvements in broadcast distributors for fertilizers andother powdered and granular materials : en
  • GB537581A - Improvements in and relating to electric power transmission systems : en
  • US2246770A - Animal food : en
  • US2246974A - Aryloxy alkyl esters of cinnamic acid : en
  • US2247286A - Shuttle tension : en
  • CA397372A - Magnesium alloy : en fr
  • GB537565A - Improvements in or relating to the glazing of buildings : en
  • GB537454A - Improved means for preventing ice-formation in water-borne gasholders : en
  • GB537532A - An improved manufacture of catalyst for the treatment of hydrocarbons, and the conversion of open chain hydrocarbons into closed chain hydrocarbons by means of such catalyst : en
  • GB537458A - Improvements in liquid pressure engines and liquid meters of like construction : en
  • DE707598C - Device for the heat treatment of metals : de en
  • US2246992A - Bending machine : en
  • DE707597C - Line compensation device for typewriters : de en
  • GB537507A - Improvements in absorption-refrigerating systems : en
  • US2246778A - Safety handle for confections : en
  • US2246963A - Manufacture of styphnic acid : en
  • FR866165A - Air refueling device for airplanes and airships : en fr
  • GB537546A - Crystal controlled oscillator particularly for ultra-high frequencies : en
  • US2247166A - Dynamo regulator system : en
  • DE707469C - Means for camouflaging military installations and equipment : de en
  • GB537601A - Improvements in or relating to photographic shutters : en
  • GB537536A - Improvements in absorption refrigerating systems : en
  • FR866162A - Sliding vane pump : en fr
  • DE707575C - Rolling mill plant : de en
  • USD127913S - Textile fabric or similar article : en
  • DE707647C - Process for the production of multi-layer high-pressure containers of particularly large dimensions : de en
  • GB537485A - Improvements in or relating to mine timbering : en
  • USD127930S - Design for a ring : en
  • DE707510C - Track with electric parking device : de en
  • DE707641C - Traveling grate firing with secondary air supply above the grate : de en
  • CA397464A - Stocking : en fr
  • DE707551C - Circuit arrangement for battery-powered tube devices : de en
  • GB537599A - Video-frequency signal-translating system : en
  • FR866169A - Advanced process for preserving food products : en fr
  • FR866196A - Method of automatic feeding of steam boilers and alarm water level for these boilers : en fr
  • GB537500A - Improvements in ball-and-socket couplings : en
  • DE707520C - Device for measuring the amount of wind in regenerative furnace systems : de en
  • GB537473A - Improvements in or relating to gaseous fluid jet reaction devices or like prime movers : en
  • US2247327A - Combination tool : en
  • US2246571A - Flexible pocket receptacle : en
  • FR866163A - Improvements to molten cutting tools and high speed steel bits or drills as well as their manufacturing processes : en fr
  • US2247184A - Necktie : en
  • US2246597A - Egg grading mechanism : en
  • US2247300A - Driving unit for automobiles : en
  • USD127896S - Diffuser for a fluorescent tube fixture : en
  • US2246633A - Advertising device : en
  • US2246971A - Aperture plate : en
  • GB537573A - Improvements in or relating to lighting apparatus embodying high pressure metal vapour electric discharge lamps : en
  • USPP477P - ragin : en
  • DE707656C - Circuit breaker that can be inserted by means of a push button : de en
  • US2247172A - Reel drive for combines : en
  • CA397441A - Cast iron welding rod : en fr
  • US2246800A - Liquid level control apparatus : en
  • AU103440A - Improvements in or relating to combination radio receivers and talking machines : en
  • CA397462A - Display carton flap holder : en fr
  • US2247011A - Receiver and trigger-plate assembly for firearms : en
  • US2247041A - Wire connector : en
  • FR866166A - Improvements to aluminum-based alloys : en fr
  • GB537527A - Improvements relating to steam superheaters for economic and like return smoke tube boilers : en
  • DK58791C - Vending machine with two or more Magazines for stacked Goods. : da en
  • USD127916S - Design for a housemaid s dolly : en
  • AT160503B - Method and device for the magnetic separation of loose body mixtures. : de en
  • US2246673A - Driving mechanism : en
  • US2246729A - Inker for plate printing presses : en
  • US2247299A - Two-cylinder two-stroke engine : en
  • US2246530A - Dental engine : en
  • US2246683A - Maintenance machine : en
  • US2246782A - Automobile door locking structure : en
  • US2246817A - Photometer : en
  • US2247196A - Enamel : en
  • US2247234A - Electron beam tube circuits : en
  • US2247160A - Gaseous electric lamp or sign : en
  • US2247212A - Short wave system : en
  • US2246920A - Variable photographic mask for maintaining constant proportions of a visible area : en
  • CA397370A - Direction indicator : en fr
  • US2246605A - Hair-waving spacer : en
  • CA397384A - Footwear : en fr
  • CA397386A - Caponizing table : en fr
  • US2247031A - Pipe coupling : en
  • US2247223A - Telephone system : en
  • US2247142A - Gyroscope caging and erecting means : en
  • DE707397C - Process for open die forging of crankshafts with multiple cranks : de en
  • CA397410A - Brake hanger bracket : en fr
  • CA397476A - Plasticized polyvinyl acetal resin : en fr
  • US2246904A - Insulator including clamping means for supporting high potential conductors : en
  • USPP475P - Rose flan-t : en
  • AT160491B - Process for the production of multicolor image-tone films on halogen-silver emulsion layers containing dye coupling components for color development. : de en
  • AU113302B2 - Improvements relating to apparatus forthe clay treatment of oils : en
  • CA397430A - Copper base alloy : en fr
  • DE707542C - Crystal detector for very short electrical waves : de en
  • GB537453A - Improvements in or relating to road marking blocks : en
  • GB537518A - Improvements in or relating to electron discharge apparatus of the velocity modulated type : en
  • US2246814A - Hydraulic brake control system : en
  • US2246902A - Disintegrator of impact cage type : en
  • US2246527A - Resinous product having anion exchange properties and method of producing same : en
  • US2246757A - Fish lure : en
  • US2246977A - Pipe joint and gasket therefor : en
  • US2247254A - Automatic telephone system : en
  • US2247262A - Composition and method for treating molten metals : en
  • DE707477C - Arrangement for reversing the direction of rotation of three-phase asynchronous motors : de en
  • DE707371C - Rotary bits : de en
  • AT160487B - Cathode ray tube for television image scanning. : de en
  • CA397389A - Electrical tubing seam welding apparatus : en fr
  • DK58784C - Process for the Preparation of 17-Aldehydo-Androstanes Saturated or Unsaturated in the Ring System. : da en
  • US2247291A - Covering pad : en
  • CA397419A - Electric incandescent lamp : en fr
  • AU239140A - New crystallised glucoside and a process for its isolation from red squill : en
  • US2246716A - Art of landing airplanes : en
  • GB537461A - Improvements in the acid conversion of starch and the recovery of crystalline dextrose : en
  • US2247062A - Phase balance condition responsive device : en
  • CA397448A - Automatic gramophone control mechanism : en fr
  • CA397451A - Dyestuff : en fr
  • US2247087A - Process for the production of hydrocarbons : en
  • US2246648A - Rotary impact tool : en
  • CA397403A - Printing plate attaching device to drums : en fr
  • CA397489A - Radio receiving system for microwaves : en fr
  • DE707497C - Device for evaluating a continuous series of light impressions on the light-sensitive layer of a film strip : de en
  • US2246641A - Tomato juicing device : en
  • US2246658A - Whip roll stand bracket : en
  • US2247266A - Capillary-active salt of pyridine bases : en
  • US2247046A - Extreme pressure lubricant : en
  • USD127944S - Design for a dress ensemble : en
  • USRE21840E - Motor vehicle : en
  • DE707455C - Adjustment device for belt pulley change gear with two axially adjustable pairs of conical pulleys : de en
  • CA397473A - Iron roll casting method : en fr
  • GB537579A - Improvements in or relating to high explosives : en
  • US2247108A - Demand meter : en
  • US2247334A - Electrothermic reduction of volatile metals : en
  • DK58788C - Method for the preparation of viscous acidic rodanide solutions. : da en
  • US2247123A - Art of rayon manufacture : en
  • USD127919S - Design fok an airplane : en
  • CA397517A - Refrigerating apparatus : en fr
  • DE707457C - Process for the production of corner pieces with sharp edges from profile rails : de en
  • AT160508B - Maximum tariff meter for charging electrical energy according to the basic tariff. : de en
  • DE707652C - Circuit arrangement, especially for ultra-short waves, for coupling two amplifier tubes : de en
  • USD127923S - Harman phonograph tone arm : en
  • US2246632A - Sight correcting device for weapons : en
  • US2246650A - Rounding machine : en
  • US2246802A - Heating system : en
  • US2246610A - Fuel pump : en
  • DE707539C - Circuit arrangement for telephone systems with followers arranged in sub-offices : de en
  • US2246931A - Method of fabricating connecting leads : en
  • US2246935A - Band-pass filter : en
  • US2247024A - Portable support : en
  • US2247039A - Stove burner : en
  • DE707451C - Pipe slide drive for internal combustion engines : de en
  • US2246887A - Electrically operated device for transmitting angular movement : en
  • US2246909A - Skate : en
  • US2247054A - Decorative display article of manufacture : en
  • DE707513C - Tennis ball racket : de en
  • US2246524A - Germicide : en
  • US2246568A - Coupling means : en
  • US2246765A - Radiator vent valve : en
  • US2247228A - Grinding machine : en
  • US2246579A - Butt strap for welded joints : en
  • US2246515A - Compressor : en
  • US2247208A - Moldable lignocellulosic material and method for making the same : en
  • CA397432A - Automobile battery charging system : en fr
  • GB537540A - Improved method of preparing cloth for fulling : en
  • GB537583A - Improvements in composite materials made from vinyl resins : en
  • CA397431A - High frequency coupling condenser : en fr
  • US2246985A - Foldable step : en
  • USD127924S - Cabinet for sound reproducing apparatus : en
  • USD127960S - Design for a coat : en
  • DE707465C - Motorcycle with a swing frame that guides the rear wheel : de en
  • DE707529C - Method and device for cleaning or soaking tissues using volatile solvents : de en
  • DE707528C - Cooling device for polarization devices especially attached to headlights : de en
  • CA397512A - Joining, connecting and assembling device for hardened plastic parts : en fr
  • DE707494C - Hot water bottle or ice pack made of thin-walled soft rubber with a conical rubber oven : de en
  • US2246786A - Automobile door locking structure : en
  • DE707560C - Device for speed registration and its re-erasure : de en
  • CA397484A - Antenna circuit modulation : en fr
  • CA397530A - Engine control apparatus : en fr
  • US2246685A - Piston packing : en
  • US2246731A - Prevention of insect damage : en
  • US2247252A - Manufacture of seals and the like : en
  • US2246832A - Suction cleaner : en
  • US2246996A - Change-speed gearing : en
  • US2247232A - Container and support therefor : en
  • US2246581A - Electric switch : en
  • US2246490A - Flowerpot holder : en
  • US2246646A - Recovery of halogens : en
  • US2246711A - Cutting tool : en
  • US2246762A - Method for condensation : en
  • US2246751A - Submersible motor for deep well turbine pumps : en
  • US2247256A - Cyclic acetals and production thereof : en
  • DE707511C - Nadelwalzenstereckwerk for spinning machines and similar textile machines with a device for cleaning the needle roller : de en
  • AU113289B2 - Improvements in telephone systems : en
  • DE707572C - Weft cutting device : de en
  • GB537521A - Apparatus for balancing rotating parts of machines : en
  • US2247080A - Switch operating mechanism : en
  • USD127948S - Design for a casing for sound apparatus : en
  • CA397491A - Oscillator stabilizing circuit : en fr
  • DE707473C - Process for the treatment of artificial structures made from cellulose solutions in a continuous operation : de en
  • US2247214A - Oscillograph apparatus : en
  • GB537577A - Improvements in or relating to percussion ignition devices for use in springing landmines and for similar military purposes : en
  • US2247182A - Snow scooter : en
  • US2247316A - Variable gain amplifier : en
  • USD127955S - Design for a dress : en
  • DE704260C - Starting device for internal combustion engines : de en
  • US2246737A - Ear stopper : en
  • US2246840A - Apparatus for handling metal strip : en
  • CA397376A - Shoe heel repairing device : en fr
  • CA397524A - Fishing net preservative : en fr
  • DE707522C - Circular knitting machine for the production of openwork goods : de en
  • US2247265A - Furniture joint washer : en
  • CA397393A - Stone cutting apparatus : en fr
  • GB537523A - Process for preparing substituted phthalic anhydrides : en
  • GB537596A - Improvements in stationary electric induction apparatus : en
  • FR866151A - Construction process for removable buildings, and standardized light elements, for its implementation : en fr
  • DE668742C - Process for the preparation of 2-phenylquinoline-4-carboxylic acids containing iodine and oxy groups : de en
  • DE707618C - Rubber V-belts : de en
  • DE707605C - Rotatable pipe connection for electric lights : de en
  • DE707467C - Folded plank connection for wooden shipbuilding : de en
  • DE707496C - Hair curlers : de en
  • GB537448A - Improvements relating to cleaners for producer gas supplied to internal combustion engines : en
  • US2246827A - Liquid fertilizer applicator : en
  • US2247238A - Hydropneumatic pumping system : en
  • CA397536A - Tar for roads : en fr
  • US2246919A - Latching device : en
  • US2246964A - Inhalation therapy applicator : en
  • US2247056A - Condenser control apparatus : en
  • CA397443A - Rubber processing : en fr
  • US2247257A - Cut film holder : en
  • US2247183A - Clay products saw : en
  • US2247128A - Boat and luggage carrier : en
  • US2246582A - Control apparatus : en
  • CA397542A - Automatic gun : en fr
  • US2247005A - Injector using exhaust steam : en
  • CA397485A - Ultra high frequency radio system : en fr
  • US2247278A - Valve tappet : en
  • CA397402A - Printing machine : en fr
  • AT160501B - A bearing made of rubber and a metal plate connected to it by adhesion. : de en
  • US2246642A - Cigarette extinguisher : en
  • US2247112A - Image reproducer : en
  • DE707549C - Electric drive device, especially for kitchen machines : de en
  • CA397505A - Metallic plate forming method : en fr
  • FR866184A - Process for the manufacture of brominated phthalic acid and analogous compounds : en fr
  • GB537552A - Improvements in and relating to reinforced partitions, walls, roofs and like structures : en
  • US2247115A - Glass cleaner : en
  • AU113323B2 - Improvements relating to grass or hay lifters : en
  • CA397501A - Gas range oven burner : en fr
  • FR866198A - Distribution device for the hydraulic control of the variation of the propeller pitch, mainly for aircraft propellers : en fr
  • DE707489C - Circuit arrangement for call seekers on connection lines without line relays with a starting relay common to several connection lines : de en
  • FR866178A - Improvements to metal constructions in thin metal particularly applicable to airplanes : en fr
  • US2246684A - Catalytic converter : en
  • US2246565A - Plastic packing stuffing box : en
  • US2247185A - Distillation process : en
  • US2246969A - Typewriting machine : en
  • US2246573A - Pipe construction : en
  • US2246999A - Air cooling and circulating device : en
  • GB537434A - Improvements in and connected with alternating current synchronous motors : en
  • US2247057A - Electric valve converting system : en
  • US2246726A - Treatment of oil wells : en
  • US2247235A - Lavatory leg coupling : en
  • US2246773A - Paint brush structure : en
  • CA397404A - Planographic printing machine ink applicator : en fr
  • GB537494A - Improvements in or relating to roofs : en
  • US2247033A - Sled : en
  • DE707653C - Clamp for tensioning or connecting electrical overhead lines : de en
  • GB537513A - Earth inductor compass : en
  • FR866158A - Synchronization method, in particular for television : en fr
  • US2247020A - Counter cash receptacle : en
  • USD127895S - Dippuser for a fluorescent tube fixture : en
  • GB537564A - Improvements in or connected with devices for killing weeds and the like : en
  • DE707466C - Protective mesh for vessels with bulging wall parts : de en
  • US2247152A - Heat exchange device : en
  • FR866193A - Improvement in devices for introducing synchronization signals into television modulation : en fr
  • USD127935S - Design fob a muff : en
  • GB537520A - Improvements relating to electrical ignition systems of internal combustion engines : en
  • US2246501A - Glossmeter : en
  • US2246812A - Welded on blade bit : en
  • US2247101A - Shoe press and shoe press pad : en
  • GB537487A - Improvements in or relating to shades or screens for lighting devices : en
  • US2246833A - Vehicle steering mechanism : en
  • USD127903S - Design for a brooch or similar article : en
  • AU113318B2 - Improvements in internal combustion engines : en
  • DE707475C - TV equipment using mirror screws : de en
  • US2246831A - Mattress handle : en
  • CA397465A - Container manufacture : en fr
  • US2247091A - Storage battery : en
  • DE707548C - Device for exciting a self-excited direct current generator : de en
  • GB537515A - Improvements in or relating to heating and cooling apparatus : en
  • AU325240A - Fuel supply system : en
  • US2246599A - Process of making higher fatty acid anhydrides : en
  • US2247008A - Optical testing apparatus for liquids : en
  • US2247170A - Ciphering machine : en
  • CA397514A - Fastening device : en fr
  • CA397516A - Paper making apparatus : en fr
  • DE707464C - Propeller airplane with swinging wing parts : de en
  • US2246659A - Separating circuit : en
  • CA397527A - Food handling apparatus : en fr
  • SE101843C1 - : en
  • US2246826A - Brassiere : en
  • CA397418A - Circuit interrupter : en fr
  • CA397533A - Engine control apparatus : en fr
  • DE707458C - Device for extracting the gases produced during welding from round containers : de en
  • US2246899A - Manufacture of synthetic fibers : en
  • DE707449C - Arrangement for carrying out the method for the electrometric measurement of the oxygen content of a solution : de en
  • CA397392A - Building unit : en fr
  • AT160489B - Process for the sensitization of halogen silver emulsion layers of high sensitivity to red and low sensitivity to cyan for subtractive multicolor processes. : de en
  • US2247179A - Powder compact : en
  • US2246876A - Fuel feeding attachment for carburetors : en
  • US2246656A - Let-off mechanism : en
  • USD127910S - Mcgann etau : en
  • US2246776A - Apparatus for the manufacture of decorative material : en
  • US2247237A - Ski attaching device : en
  • US2247030A - Television system and scanning apparatus : en
  • GB537440A - Fluid meters : en
  • US2246949A - Dough-piece shaping machine : en
  • US2247236A - Folding chair adjusting means : en
  • US2246722A - Fastener member and fastener secured installation : en
  • US2246697A - Telephone call transmitter : en
  • US2246766A - Grating : en
  • US2247195A - Circuit breaker : en
  • AU279740A - Step-by-step positioning device : en
  • AT160512B - Socket self-switch. : de en
  • CA397362A - Reinforced fabric : en fr
  • US2246705A - Hairpin container : en
  • US2247140A - Multiple valve unit : en
  • US2246580A - End adjustable grille : en
  • US2247282A - Ground clamp for electrical welding machines : en
  • US2246584A - Visible record system : en
  • US2246694A - Whip roll cam arm : en
  • US2247216A - Resonant line control oscillation generator : en
  • DE707521C - Electrically heated deep furnace : de en
  • US2246552A - Method for making a fuel consisting predominantly of normally fluid hydrocarbons in solidified form : en
  • US2247213A - Ultra short wave receiver : en
  • US2246577A - Pump : en
  • US2246668A - Temperature control system : en
  • US2247231A - Electric switch : en
  • US2247339A - Process of rendering fabric resistant to fungal and bacterial attack : en
  • USD127892S - Design for an electric lighting fixture : en
  • CA397383A - Colour photographic and cinematographic apparatus : en fr
  • CA397405A - Heat insulating panel : en fr
  • US2246843A - Automatic olive pitting machine : en
  • US2247034A - Aircraft sustaining rotor : en
  • US2247120A - Ceramic body : en
  • US2246947A - Automatic gain control : en
  • CA397486A - Magnetron apparatus : en fr
  • US2247035A - Catalytic heating apparatus : en
  • GB537428A - Improvements relating to pumps for pumping relatively small quantities of non-lubricating liquids such, for example, as liquid fuels : en
  • US2246721A - Phasing arrangement for telefacsimile machines : en
  • US2247243A - Heat exchange element and method of making the same : en
  • US2247239A - Stock tank heater : en
  • US2247260A - Shade structure for windows and the like : en
  • US2247337A - Process of making rubber articles : en
  • US2246990A - Apparatus for spinning rayon : en
  • US2246651A - Resilient wheel : en
  • US2246867A - Toothbrush : en
  • US2247161A - Storage battery : en
  • USRE21837E - Refrigerating apparatus : en
  • DE707459C - Device for producing metal shot, in particular lead shot : de en
  • GB537493A - Improvements in or relating to boats such as ships' lifeboats : en
  • GB537585A - Process of and apparatus for the production of coke, gas and by-products in vertical retorts : en
  • US2247105A - Closure for pressure vessels : en
  • US2247246A - Micro-wave radio alarm system : en
  • AU231540A - Improvements in or relating to gyroscopic apparatus : en
  • GB537512A - Improvements relating to the heat treatment of aluminium base alloys : en
  • US2246810A - Conveyer chain : en
  • USRE21845E - Swatch : en
  • GB537463A - Improvements in or relating to resilient couplings : en
  • GB537477A - Improvements in or relating to plate heat exchangers : en
  • USD127936S - Design for a muff : en
  • DE707638C - Process for the production of furfural : de en
  • US2246842A - Process for breaking petroleum emulsions : en
  • US2247014A - Tabulating and margin setting mechanism : en
  • US2246594A - Supplying liquids at constant rates : en
  • US2246837A - Suction cleaner : en
  • GB537438A - Improvements in or relating to fluid-operated motors : en
  • USD127926S - Design fok a fabric patch mending device : en
  • AU113314B2 - Improvements relating to handpieces for sheepshearing machines : en
  • US2246537A - Method of making asbestos-cement pipe : en
  • USD127887S - Design for a bag back : en
  • GB537491A - Improvements in or relating to high frequency electron discharge apparatus : en
  • US2247129A - Highway crossing gate : en
  • US2247241A - Thermally controlled valve : en
  • US2246834A - Locking hitch bolt : en
  • US2246723A - Combined elevator and pneumatic grain cleaner : en
  • DE707591C - Production of olefins from gaseous hydrocarbons : de en
  • DE707571C - Loading machine pulling itself forward by means of a rope or chain with a front shovel : de en
  • US2246973A - Treatment of wood tar distillate : en
  • US2246914A - Method and apparatus for drying and cooling tobacco : en
  • US2247187A - Extension device : en
  • GB537457A - Improvements in or relating to sound recording motion picture cameras : en
  • US2246698A - Call transmitter device : en
  • US2247060A - Gas furnace control : en
  • US2247092A - Knitting machine : en
  • US2247193A - Circuit breaker : en
  • US2246873A - Double-acting slack adjuster for brakes : en
  • US2246877A - Rotary filter : en
  • US2247063A - Refrigerator : en
  • DE707628C - Device for supplying cooling, lubricating and flushing fluids to machine tools with rotating tools : de en
  • US2246863A - Suction cleaner : en
  • CA397363A - Fish lure : en fr
  • AU102140A - Apparatus for the production and preparation of charcoal gas for internal combustion engines : en
  • CA397504A - Ore concentration : en fr
  • GB537589A - An improved catalytic alkylation process for the manufacture of saturated hydrocarbons : en
  • GB537593A - Improvements in or relating to recording blanks for electric recording in facsimile telegraphy : en
  • DE707517C - Brake circuit, especially brake circuit, for electric vehicles with two travel switches and with two or more motors : de en
  • AU113300B2 - Electrical connector : en
  • US2246986A - Folding step for trucks : en
  • US2247268A - Miniature incandescent lamp : en
  • US2246615A - Wall coping : en
  • US2246666A - Process for storing sulphur : en
  • US2246746A - Barber's comb : en
  • US2247130A - Noise and wave muffling conduit for fluid under pressure : en
  • DE707461C - Process for the generation of images by means of local exposure of a layer made photosensitive with a diazonium compound : de en
  • GB537544A - Variable speed transmission : en
  • US2246927A - Blade stropping device : en
  • AU113297B2 - Fuel supply system : en
  • DK58783C - Foldable Washbasin. : da en
  • GB537482A - Improvements in or relating to electric circuit-breakers of the gas-blast type : en
  • CA397453A - Fish and food ice glazing method : en fr
  • DE707621C - Device for mixing powdery substances : de en
  • GB537594A - Improvements in and relating to apparatus for covering rollers for textile machinery : en
  • CA397507A - Water heating apparatus : en fr
  • US2246556A - Adjustable metal wall base : en
  • US2247164A - Transmission control mechanism : en
  • CA397488A - Radio receiver indicator : en fr
  • US2246777A - Electric motor : en
  • US2246639A - Traffic signal : en
  • US2246828A - Door latch : en
  • US2247253A - Tieback for curtains : en
  • CA397406A - Filled can weighing and sorting machine : en fr
  • CA397499A - Loudspeaker apparatus for motor vehicles : en fr
  • AU113319B2 - Improvements in games : en
  • USD127956S - Design for an embroidered fabric : en
  • AU279840A - Step-by-step positioning device : en
  • CA397506A - Railway car : en fr
  • US2246910A - Overbalanced governor : en
  • AT160519B - Process for the preparation of gas mixtures containing acetylene and olefins. : de en
  • CA397412A - Travelling grate stoker : en fr
  • DE699741C - nd of gluing in a single operation : de en
  • DE707546C - Switching or control device operated by rotary movement : de en
  • AT160518B - Method and device for the automatic dusting and unrolling of several thin-walled rubber objects located on fixed molds or the like. : de en
  • CA397397A - Knock-down cabinet : en fr
  • DE707515C - Arrangement for the protection of an indirectly heated steam generator with a steam circulation pump with adjustable speed : de en
  • AU369240A - Improvements in hydraulic epicyclic transmission devices : en
  • DE707540C - Circuit arrangement for telephone systems with main and sub-offices : de en
  • DE707586C - Device for the preparatory folding of square bag necks : de en
  • CA397494A - High frequency amplifier : en fr
  • AU274340A - Means for connecting a door-controlling mechanism to a door : en
  • US2246551A - Refrigerating apparatus : en
  • US2246622A - Display device : en
  • GB537514A - Earth inductor compass : en
  • AU371640A - Electrical connector : en
  • FR866177A - Improvements to cast hollow mushroom valves, and methods and molds for obtaining such valves : en fr
  • US2246499A - Car construction : en
  • US2246588A - Bearing structure : en
  • US2246687A - Eye exercising machine : en
  • US2246818A - Package for food products : en
  • US2246849A - Indicating instrument : en
  • US2247075A - Electric ignition system : en
  • DE707613C - Counter for electricity or the like, in which at least one armature bearing is driven to reduce friction : de en
  • AU113316B2 - Improved ventilator for use in walls, floors or ceilings of buildings : en
  • GB537576A - An improvement in mending or darning appliances : en
  • GB537519A - A process for the nitration of structures of regenerated cellulose and for the production of patterned etching effects using yarns thereof : en
  • GB537510A - Improvements in and relating to boxes or containers : en
  • US2246895A - Spindle mounting : en
  • CA397511A - Door dovetail construction : en fr
  • DE707589C - Letter folder with flaps folded on at least three edges to accommodate loose sheets : de en
  • DE707620C - Method of drop forging of mining shoes : de en
  • FR866173A - Lubricating oil enhancements : en fr
  • US2246626A - Fly case : en
  • US2246667A - Hydraulic power brake : en
  • DE707611C - Pouring device : de en
  • FR866195A - Device for the protection of electrical devices against voltage surges : en fr
  • US2246542A - Means and method of locating levels in wells : en
  • US2246885A - Pipe joint tester : en
  • US2247032A - Pipe joint : en
  • DE707612C - Method for producing hollow pellets on a tablet press : de en
  • DE707453C - Elastic joint : de en
  • US2246635A - Process for preparing irreversible starch derivatives : en
  • US2246727A - Inseam joint forming machine : en
  • US2246671A - Machine for shaping spur gears : en
  • US2246732A - Elevator cab isolation : en
  • DE707454C - Flexibly elastic wheel hub : de en
  • GB537591A - Improvements in low reflectance glass : en
  • US2247331A - Glassmaking batch : en
  • FR866175A - Process for the preparation of heterocyclic compounds belonging to the thiodiazol series : en fr
  • US2246981A - Apparatus and method for electrochemical analysis : en
  • US2247272A - Fur muffler : en
  • US2247167A - Electric valve circuits : en
  • US2246738A - Means fob mounting gyros : en
  • DE707616C - Detachable button. the upper part of which is connected to the lower part by a U-shaped bracket : de en
  • US2247292A - Plierlike stapling machine : en
  • US2246585A - Soldering copper stand : en
  • US2246850A - Fish lure and method of making the same : en
  • CA397509A - Railway car cushioning unit : en fr
  • USD127938S - Design for a belt or similar article : en
  • GB537474A - Improvements in and relating to the anodic treatment of aluminium and its alloys : en
  • US2246559A - Aerating apparatus : en
  • US2247312A - Meat packing process : en
  • US2246734A - Apparatus for charging a current of air with a volatile substance : en
  • US2247192A - Method of preparing fluorescent material : en
  • CA397480A - Coiled wire coupling : en fr
  • AU113307B2 - Improvements in or relating to telecommunication exchange systems : en
  • CA397450A - Corrosion resistant apparatus : en fr
  • US2247336A - Gas set and method : en
  • USD127881S - Design for an elevated tank : en
  • DE707561C - Self-collecting device for issuing release elements (keys or the like) for loan items : de en
  • DE707559C - Device for generating a time-proportional deflection voltage on electrical devices for measuring and registering mechanical forces or moments : de en
  • GB537570A - Improvements in or relating to tool-lifting mechanism for agricultural tractors, andlike purposes : en
  • US2247155A - Selectivity control circuits : en
  • US2246857A - Engine frame construction : en
  • US2247088A - Insulated electrical connection : en
  • US2247106A - Fatty acid salts of polyhydroxy amines : en
  • USD127905S - Design for a building : en
  • DE707623C - Motion picture recording device : de en
  • US2246744A - Tailor's measuring apparatus : en
  • AU113310B2 - Apparatus for the production and preparation of charcoal gas for internal combustion engines : en
  • US2246522A - Abrading apparatus : en
  • US2246714A - Lady's undergarment : en
  • US2246730A - Pruning implement : en
  • US2247089A - Bellows-type gauge : en
  • AU113299B2 - Improvements in hydraulic epicyclic transmission devices : en
  • US2246761A - Portable cutting tool : en
  • US2247000A - Spraying process and apparatus : en
  • US2247220A - Combination mechanism for keyless locks, bolts, and locking devices : en
  • US2247279A - Seat slide structure : en
  • CA397539A - Cellulose substance disintegrating process : en fr
  • US2246507A - Ophthalmic mounting : en
  • US2247010A - Filming feeder : en
  • AT160496B - Electromagnetically operated multi-plate clutch. : de en
  • AU113321B2 - High frequency apparatus : en
  • DE707499C - Device for stereoscopic viewing of images : de en
  • DE707584C - Cartridge or cartridge : de en
  • AT160520B - Process for the preparation of unsaturated ketones. : de en
  • US2247198A - Electric mixed light lamp with mercury pressure discharge for alternating current circuits : en
  • US2246743A - Telephone system : en
  • US2246813A - Vehicle bed construction : en
  • USD127904S - De reamer : en
  • US2246652A - Butcher's tool rack : en
  • US2247180A - Air conditioned garment : en
  • CA397472A - Fire extinguishing foam producing apparatus : en fr
  • AU113294B2 - Step-by-step positioning device : en
  • CA397478A - Glass handling apparatus : en fr
  • US2246514A - Method for forming building surfaces : en
  • USD127921S - Design for a combined switch casing and handle : en
  • US2246718A - Pull ring : en
  • US2246970A - Film presser pad assembly : en
  • US2247019A - Individual ice mold : en
  • GB537582A - Improvements in or relating to means for driving spindles of twisting, doubling and like apparatus : en
  • CA397535A - Tar for roads : en fr
  • FR866174A - Improvements to furnace walls and their construction processes : en fr
  • GB537495A - Improvements in type-printing telegraphy : en
  • DE707456C - Feed device on rotary bars processing round bars : de en
  • CA397391A - Chair and observing mirror : en fr
  • US2246950A - Catalyst regeneration : en
  • US2247203A - Amplifier circuit : en
  • FR866197A - Electrical insulating substances : en fr
  • CA397492A - Audio frequency amplifier : en fr
  • CA397413A - Radio loop antenna : en fr
  • CA397481A - Railway track lubricator : en fr
  • AU113293B2 - Step-by-step positioning device : en
  • US2247058A - Reflector : en
  • US2247050A - Rolling mill guide and shoe : en
  • USD127908S - Design fok a souvenir tea bell : en
  • AT160482B - Process for the preparation of pregnen- (5) -ol- (3) -one- (20) or its stereoisomers or their derivatives. : de en
  • US2246741A - Luminous indicator : en
  • US2247197A - Manufacture of helically wound tubing with impervious lining : en
  • US2247301A - Means for controlling pressure fluid : en
  • USRE21846E - Suction cleaner : en
  • US2247199A - Method of making heat exchangers : en
  • CA397502A - Pipe coupling : en fr
  • US2246769A - Clutch : en
  • US2247137A - Front wheel drive assembly : en
  • USD127898S - Design for a barrette : en
  • US2247335A - Pump : en
  • CA397417A - Manifolding device : en fr
  • DE1504273U - : de en
  • AU263540A - Ignition means : en
  • DE704303C - Device for duplicating a constant and a changing text using templates : de en
  • DE707474C - Steam reversing device : de en
  • CA397409A - Mechanical razor : en fr
  • CA397416A - Airfoil front gunnery means : en fr
  • USRE21842E - Platen roll fok writing machines : en
  • US2247077A - High frequency electronic apparatus : en
  • CA397482A - Race starting gate : en fr
  • US2246521A - Manufacture of prewelt shoes : en
  • US2246643A - Concentration and conversion of hydrocarbons : en
  • US2246590A - Telephone coin collector : en
  • CA397423A - Electric incandescent lamp : en fr
  • CA397523A - Chemical substance : en fr
  • US2247002A - Method of making dished articles : en
  • DE707527C - Round trousers : de en
  • DE707552C - Glue putty, spatula : de en
  • US2246636A - Transmission gearing : en
  • CA397487A - Magnetron amplifier : en fr
  • US2246609A - Vehicle truck assembly : en
  • US2246724A - Electric switch : en
  • US2246869A - Grinding machine : en
  • US2246493A - Aerial navigation machine of the airplane type : en
  • AU431340A - Improvements relating to grass or hay lifters : en
  • CA397425A - Food container : en fr
  • GB537557A - Improvements in the manufacture of chlorine dioxide : en
  • CA397543A - Shaping machine : en fr
  • US2246835A - Feeding device for shaker conveyers : en
  • CA397415A - Piezo-electric device : en fr
  • US2246801A - Valve : en
  • US2246829A - Safety wringer feed device : en
  • AU239540A - Improvements in internal combustion engines : en
  • AT160486B - Process for the preparation of androstene (4) or - (5) -diol- (3.17) or its stereoisomers. : de en
  • AT160502B - Device for treating threads, tapes or the like made of cellulose or its derivatives. : de en
  • CA397510A - Vehicle roller construction : en fr
  • US2246496A - Direction-finding arrangement : en
  • US2246745A - Propeller pitch control valve : en
  • USD127915S - Design for a velocipede : en
  • CA397454A - Frozen material : en fr
  • CA397508A - Foundation garment : en fr
  • CA397495A - Periodic event timing device : en fr
  • GB537431A - Improvements relating to cleaners for producer gas supplied to internal combustion engines : en
  • CA397525A - Printing and lithographing plate processing : en fr
  • US2246539A - Variable pitch propeller : en
  • US2246558A - Earth inductor compass : en
  • US2246987A - Continuous molding apparatus : en
  • US2246649A - Cap and jar wrench : en
  • US2246836A - Illuminated stick of umbrella : en
  • CA397433A - Carbon dioxide handling apparatus : en fr
  • US2246872A - Method and apparatus for manufacturing thin gelatinous coatings : en
  • US2246492A - Hub for bicycle and other wheels : en
  • US2247078A - Electric valve translating apparatus : en
  • US2247136A - Electric switch : en
  • US2247012A - Meat grinder : en
  • US2246534A - Alternating current wave production : en
  • DE707541C - Circuit arrangement for telephone systems : de en
  • US2247173A - Drilling collar : en
  • DE707530C - Inclined chamber furnace battery for the distillation, especially carbonization of coal briquettes : de en
  • DE707579C - Test terminal for electrical switchgear : de en
  • US2246693A - Dispenser : en
  • USD127886S - Design for a brooch or similar article : en
  • CA397538A - Free cutting aluminium alloy : en fr
  • US2246988A - Cyclohexyl unsymmetrical diphenyl ethanes : en
  • DE707569C - Device for pressing balls or ball-like moldings made of adhesive ceramic materials : de en
  • GB537548A - Method of producing molded concrete or like products and apparatus therefor : en
  • US2246547A - Isoprene valerates and process fob : en
  • US2246847A - Suspension mechanism : en
  • US2246881A - Well packer : en
  • US2247158A - Boom bucket : en
  • GB537475A - Improvements in and relating to bearings : en
  • GB537430A - Improvements in yarn winding and like machines : en
  • GB537435A - Improvements in and relating to means for raising or lifting sunken or partially sunken vessels : en
  • GB537592A - Manufacture of ester salts of leuco-vat-dyestuffs : en
  • AT160517B - Masking device for television broadcasting of films. : de en
  • DE707627C - Grinding device for processing curved workpieces, especially for the maintenance of collectors : de en
  • GB537423A - Improvements relating to alimentary preparations : en
  • USRE21841E - Anchor : en
  • US2247048A - Radio navigation equipment : en
  • US2246956A - Refrigeration apparatus : en
  • US2246688A - Automatic frequency control : en
  • US2246783A - Automobile door locking structure : en
  • USD127890S - Design fob an electric lighting fixture : en
  • USD127939S - Design for a belt ok similar article : en
  • FR866168A - Shaping or grinding machine : en fr
  • DK58782C - Procedure for dyeing metal foil strips, of which bottle caps are to be punched out. : da en
  • DE707525C - Vortex mill : de en
  • US2246912A - Gland seal for rotating shafts : en
  • US2246924A - Aryl-amino alkenyl phenols : en
  • US2246553A - Apparatus for processing thread : en
  • US2246665A - Refrigeration : en
  • DE707547C - Control device for determining the angular position of a rotating shaft : de en
  • DE707531C - Process for the pressure hydrogenation of carbonaceous substances : de en
  • US2246937A - Polymerization of diolefins : en
  • DK58797C - Door holder, especially for Doors with Self-closing. : da en
  • US2246662A - Cushion seat and method of making the same : en
  • US2246713A - Knitting reel : en
  • US2247276A - Awning fan : en
  • US2246500A - Differential stage lift flow device, bellows type : en
  • US2246674A - Quenching device : en
  • US2246928A - Tuned circuit : en
  • DE707555C - Method and electrode for heating baths, especially made of molten glass : de en
  • GB537572A - Improvements in photographic cameras : en
  • GB537531A - Improvements in carburettors for internal combustion engines : en
  • DE707562C - Multi-layer metal mirror and method for its manufacture : de en
  • US2247151A - Governing mechanism : en
  • US2246825A - Carburetor : en
  • US2246948A - Spark plug and method of making same : en
  • US2246945A - Protective device for electric lamp assemblies : en
  • DE707492C - Warp knitting machine with weft insertion device : de en
  • GB537506A - Improvements in football boots : en
  • DE707483C - Movable slide carrier for pipe bending machines : de en
  • GB537505A - An improved type-drum counting and printing mechanism : en
  • GB537555A - Improvements in and relating to electric torches : en
  • US2246763A - Loose-leaf binder : en
  • US2247037A - Pressure regulator : en
  • US2247304A - Storage furnace : en
  • US2246600A - Pressure seal for flange connection : en
  • US2246647A - Stapling device : en
  • US2247118A - Apparatus for tempering glass : en
  • GB537484A - Improvements in pipe joints : en
  • GB537539A - Improvements in or relating to lime burning and kilns therefor : en
  • US2246593A - Electroacoustic system and method : en
  • US2246871A - Method of and means for introducing edible semisolids to ice cream : en
  • US2247111A - Acoustical projectile : en
  • USD127931S - Design fob a handbag : en
  • US2246861A - Body construction : en
  • US2246686A - Control system : en
  • GB537424A - Improvements in and relating to internal combustion engines : en
  • FR866181A - Combustion device : en fr
  • US2246917A - Method of and apparatus for separating a rubber ribbon into its individual threads : en
  • US2247038A - Time delay switch : en
  • US2247150A - Picture mount : en
  • US2247171A - Radio-phonograph combination : en
  • GB537427A - Improvements in or relating to the manufacture and production of electrical resistance heating elements : en
  • GB537604A - Improvements in and relating to electric power transmission systems : en
  • US2247288A - Gyromagnetic compass : en
  • US2246529A - Xylyl methyl carbinamine : en
  • US2246576A - Machine ringing system : en
  • US2246771A - Antistatic receiving system : en
  • FR866160A - Improvements to gyroscopes and gyroscopic devices : en fr
  • US2246657A - Warp tensioning device : en
  • US2247146A - Vessel for the transport of vehicles : en
  • US2246567A - Grinding apparatus : en
  • AU113315B2 - Improvements in fastening or jointing means : en
  • US2247226A - Hot water reservoir in coffee urn : en
  • DE707501C - Self-seller with goods compartments in a row one above the other : de en
  • DK58787C - Procedure for Placing Straws in Bottles. : da en
  • US2247201A - Circuit breaker operating means : en
  • DE707523C - Lattice mast, e.g. B. catenary, high voltage, light mast o. The like. : de en
  • US2246528A - Spice : en
  • AT160492B - Photographic product, in particular for the production of colored pictures. : de en