• US2248557A - Cathode-ray tube system : en
  • AU246140A - Improvements in spring sash balances for window sashes : en
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  • US2248849A - Collar support : en
  • US2248878A - Measuring instrument : en
  • US2248419A - Blocking machine : en
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  • USD128171S - Design for a magnifying unit : en
  • US2248554A - Production of an interlaced line screen with mechanical scanning means : en
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  • GB537840A - Improvements in or relating to clutches : en
  • US2248189A - Power transmission chain : en
  • US2248236A - Antenna grille guard : en
  • US2248568A - Additional lubricating device for aircraft engines : en
  • US2248739A - Tire : en
  • US2248262A - Grinding valve stems and tappets : en
  • USD128175S - Design for a wall bracket : en
  • DK58826C - Remote switch, especially for stair lighting. : da en
  • CA397772A - Copper base alloy : en fr
  • US2248735A - Method of producing sponge iron and reducing agent therefor : en
  • DE707897C - Process for the production of molded bodies containing elemental silicon : de en
  • CA397786A - Electric discharge apparatus : en fr
  • US2248635A - Treatment of halogenated polyhydric alcohols : en
  • DE708004C - Set up on bottle handling machines : de en
  • US2248396A - Shaper for tabulating machine cards : en
  • US2248458A - Parasiticide : en
  • US2248816A - Eyeglass pad construction : en
  • DE705642C - Device for regulating the tension of the contact wire in contact lines for electric railways : de en
  • US2248064A - Coating, particularly for manufacture of abrasives : en
  • AU115558B2 - Improvements in or relating to piezoelectric crystal controlled oscillation generators : en
  • AU244040A - An improved lathe : en
  • CA397754A - Corn harvester attachment : en fr
  • DE708123C - Treatment agent for light metals : de en
  • US2248344A - Bumper : en
  • US2248551A - Synchronization of disk scanning means : en
  • US2248589A - Interoffice telephone : en
  • USD128124S - Design for a paper cup container : en
  • US2248438A - Enol derivatives of cyclopentano phenanthrene compounds and process of making same : en
  • US2248600A - Electric valve circuits : en
  • US2248611A - Control apparatus for vapor electric discharge devices : en
  • US2248749A - Composition of matter : en
  • US2248258A - Releasable casting weight : en
  • US2248907A - Fabric seam : en
  • US2248404A - Metal insert for card stencils : en
  • CA397871A - Relasting machine : en fr
  • USD128176S - Design for a key rack : en
  • GB537857A - Pest control compositions : en
  • GB537903A - Improvements relating to rotary tipplers for discharging coal and other wagons : en
  • GB537907A - Improvements in and relating to heat exchange apparatus : en
  • US2248363A - Water feed device : en
  • US2248889A - Voltage divider : en
  • DE708018C - Process for the production of azo dyes on the fiber : de en
  • AT160523B - Process for producing items of laundry, in particular collars. : de en
  • CA397768A - Foot relaxer : en fr
  • US2248347A - Locking thread case for sewing machines : en
  • US2248455A - Coat and knapsack combination : en
  • USD128160S - Design for a knife sharpener : en
  • US2248783A - Radio receiver overload control circuit : en
  • US2248839A - Brick finishing machine : en
  • US2248069A - Implement construction : en
  • CA397753A - Wheel structure and assembly : en fr
  • US2248155A - Process for the production of indole acids : en
  • US2248654A - Equipment for air conditioning vehicles : en
  • DE662135C - Process for producing colorful pictorial representations : de en
  • GB537865A - Improvements in electric contacts : en
  • US2248701A - Coupling : en
  • GB537833A - Improvements in or relating to dynamo electric instruments : en
  • DE708053C - Process for the production of combined building panels : de en
  • GB537780A - Improvements in or relating to charging devices for internal combustion engines : en
  • US2248567A - Sheet registering mechanism : en
  • DE708094C - Artificial stone with the addition of barite : de en
  • DK58836C - Device for Streamlined vehicles, in particular with Rear engine. : da en
  • US2248754A - Band-filter device : en
  • US2248702A - Laminated wood-glass product : en
  • US2248875A - Knitting machine : en
  • CA397717A - Wheel flange oiler : en fr
  • DE707952C - Process for operating internal combustion engines with steam generation and adding this steam to the cylinder charge : de en
  • US2248254A - Ornamental finish and method of making the same : en
  • DE708023C - Link cage for ball bearings : de en
  • US2248743A - Apparatus for manufacturing floor mats : en
  • US2248050A - Electric arc lamp : en
  • US2248857A - Automatic bias corrector : en
  • US2248257A - Register actuating device : en
  • USD128173S - Design fok an aikplane jleo : en
  • US2248571A - Typewriting machine : en
  • DK58833C - Piston machine. : da en
  • US2248190A - Combined typewriter and computing : en
  • CA397800A - Aerial and feeder system : en fr
  • US2248799A - Trunking system : en
  • DE707935C - Web shuttle with rotatable reel spindle : de en
  • DE708032C - Flexible underlay plate for copy purposes with side fold : de en
  • US2248534A - Method of making paper containers : en
  • DE708096C - Wind power machine with counter-rotating wind wheels arranged one behind the other on the same axis : de en
  • US2248859A - Game apparatus : en
  • DK58827C - Device for Apparatus for Automatic Arc Welding with Coated Electrodes. : da en
  • DE708040C - Method and device for the post-treatment of artificial threads cut or torn in stacks : de en
  • US2248670A - Flashlight lamp : en
  • US2248273A - Bird cage and smoking stand : en
  • US2248641A - Loom for weaving : en
  • DE707910C - Receiving relay with resonance element for overlay remote control systems : de en
  • GB537866A - Improvements in electric contacts : en
  • US2248477A - Method and apparatus for administering oxygen : en
  • US2248619A - Process for extraction : en
  • GB537818A - Improvements in or relating to enclosed electric heating plates : en
  • US2248183A - Apparatus for assembling nuts and bolts : en
  • US2248074A - Trisazo dyestuffs : en
  • US2248512A - Depolymerization of polystyrene : en
  • DE708103C - Process for the production of synthetic fiber structures with a high titer, such as horsehair, artificial straw, ribbons and the like. like : de en
  • US2248893A - Device for separating beeswax from honey : en
  • US2248222A - Liquid gas converter and regulator : en
  • US2248795A - Electron tube : en
  • US2248081A - Electromechanical phonographic announcer : en
  • USD128228S - Design for a deess : en
  • CA397857A - Asphalt transporting method and apparatus : en fr
  • GB537909A - Improvements in or relating to sheet delivery mechanism applicable for use in connection with printing and other machines : en
  • DE707913C - Dry rectifier with a semiconductor made of copper or silver selenide and equipment for its operation : de en
  • US2248403A - Statement printing machine : en
  • CA397798A - Electrometallurgy : en fr
  • DE707882C - Current transformer with two iron cores of practically the same iron path length, whose primary windings and whose secondary windings are each connected in series : de en
  • US2248086A - Button-positioning mechanism : en
  • US2248304A - Thekmostatic control means : en
  • US2248649A - Method and machine for folding sanitary napkins : en
  • GB537829A - Process of treating gelatine : en
  • CA397720A - Hydraulic shock absorber : en fr
  • US2248367A - Method of shelling nuts : en
  • DE707661C - Process for producing a circular or frustoconical knitted fabric : de en
  • DE707934C - Method and device for defibrating liquid substances by means of a blowing pressure medium, such as in particular for producing slag wool, mineral wool or glass wool : de en
  • GB537835A - Improvements in lighting fittings : en
  • DE707973C - Oxygen breathing apparatus with breathing air circulation : de en
  • USD128180S - Simkins wall bracket : en
  • US2248079A - Sheet feeding mechanism : en
  • CA397782A - Vehicle roof connection : en fr
  • US2248487A - Chair : en
  • US2248843A - Lifting strip bag : en
  • DE707963C - crash helmet : de en
  • DE708125C - Extraction of soaps : de en
  • US2248314A - Vehicle speed controller : en
  • USD128204S - Design foe a coat : en
  • CA397744A - Hair waving device : en fr
  • AU113361B2 - An improved means of controlling vacuum operated machines and vacuum operated means for conveying and elevating liquids : en
  • CA397741A - Hair brushing and curling device : en fr
  • DE707916C - Device for exposing the teeth by lifting and holding back the lip and cheek parts : de en
  • DE707971C - Method and device for cleaning paper pulp, cellulose or wood pulp suspensions : de en
  • US2248699A - Floor scrubbing machine : en
  • US2248143A - Flat glass beveling and edging apparatus : en
  • US2248597A - Automatic container washing machinery : en
  • AT160525B - Handgun stock and butt and method for their manufacture. : de en
  • CA397791A - Brake rigging : en fr
  • US2248729A - Quaternary allsylol poly-ammonium compounds and process for producing them : en
  • DE707942C - Method for measuring capacities by determining the frequency of a multivibrator consisting of the capacitance to be measured and a resistance : de en
  • US2248902A - Knitting machine : en
  • DE708084C - Clamp for connecting butted or cut roof battens : de en
  • DE707982C - Device for controlling steep screws : de en
  • US2248713A - Means for air conditioning : en
  • USD128112S - Design for an electric clock : en
  • CA397718A - Sound reproducing device : en fr
  • DE708106C - Rear shoe cap : de en
  • SE101973C1 - Materials for electrical contacts : en sv
  • US2248540A - Window ventilator : en
  • DE708142C - Toy train tracks made of elastic tape-like building material : de en
  • USD128231S - Design fok a dsess : en
  • US2248283A - Para-amino-para'-hydroxy diphenyl sulphone and derivatives : en
  • US2248807A - Pressure relief valve : en
  • US2248657A - Box dumping machine : en
  • US2248357A - Hydrocarbon conversion : en
  • US2248569A - Magnetic micrometer : en
  • US2248824A - Rock drill rotation mechanism : en
  • USD128164S - Design for a combined burner bowl and utensil support for ranges : en
  • GB537904A - Improvements relating to gas producers for use with internal combustion engines : en
  • US2248479A - Cup dispensing apparatus : en
  • USD128166S - Design for a clock ok similar article : en
  • US2248322A - Apparatus for indicating, controlling, and recording the level of liquids in vessels : en
  • US2248428A - Coupling : en
  • GB537805A - Improvements relating to universal joints : en
  • US2248186A - Pressing apparatus : en
  • US2248814A - Fluid dispenser : en
  • US2248752A - Radio transmitter for obtaining course lines : en
  • US2248491A - Chs-chs : en
  • CA397728A - Helmet insulator pad : en fr
  • US2248391A - Ornamental pin : en
  • US2248470A - Device for varying the damping of a tuned oscillatory circuit without affecting the tuning : en
  • US2248038A - Package : en
  • GB537850A - Improvements in or relating to the control of automatic voltage regulators : en
  • GB537888A - Improved means for rendering kerbs and other objects on the highway more visible : en
  • DE708021C - Process for the production of bodies from quartz glass or similar difficult-to-melt glasses : de en
  • US2248516A - Means for converting l-type engine to valve-in-the-head type : en
  • DE707888C - Adding machine : de en
  • DE708119C - Wireless direction finder with rotating or periodically swiveled directional receiving system : de en
  • DE707988C - Process for the production of heat exchangers : de en
  • GB537823A - Means for resiliently mounting radiophonic, phonographic and like apparatus in cabinets or the like : en
  • CA397774A - Ophthalmic mounting : en fr
  • US2248519A - Pickup hay baler : en
  • US2248835A - Stuffing apparatus : en
  • DK58838C - Filling pencil with indented tip device. : da en
  • DE708020C - Process for the production of easily scalable, dried, mineral-rich leather : de en
  • GB537803A - Electric wave filters : en
  • US2248182A - Vibratory motion producing apparatus : en
  • DE707990C - Method for transmitting the line and line train pulses in the interlaced method for television purposes : de en
  • GB537844A - Improvements in and relating to the coking of coal : en
  • GB537802A - Improvements in cinematographic apparatus : en
  • US2248785A - Automatic volume control circuits : en
  • DE708082C - Device for connecting wooden parts, in particular building elements of barracks : de en
  • GB537778A - Wringers and the like : en
  • GB537852A - Improvements in or relating to the bulk wrapping or packing of cigarette packets or other articles of similar shape and to such articles so wrapped or packed : en
  • US2248374A - Windrowing gate : en
  • US2248422A - Road guard assembly : en
  • US2248453A - Engine governor : en
  • US2248286A - Refrigerated display case : en
  • US2248373A - Process for solvent extraction of mineral oil : en
  • US2248673A - Traffic controlling system for railroads : en
  • US2248870A - Piezoelectric signaling apparatus : en
  • US2248915A - Apparatus for controlling railway switches : en
  • DE707939C - Steam power plant for the constant volume process with a back pressure turbine : de en
  • GB537826A - Improvements in cathodes of electric discharge devices : en
  • US2248880A - Circular knitting machine and method of operating same : en
  • US2248176A - Planter : en
  • US2248386A - Fountain : en
  • USD128230S - Design fok a dress : en
  • US2248076A - Constant pressure regulator : en
  • US2248225A - Dehumidifier : en
  • US2248744A - Taping machine : en
  • US2248780A - Manifold pressure regulator : en
  • US2248882A - Fastener : en
  • USD128143S - Design for a combined bathtub : en
  • US2248234A - Individual milk bottle carrier : en
  • CA397821A - Molybdenite separation : en fr
  • DE707932C - Upper leather edge slitting device on lasting machines : de en
  • GB537870A - Method and apparatus for making bodies of compacted powdered material : en
  • US2248690A - Wooden sheathing : en
  • DE708109C - Machine for the independent production of bicycle fender struts : de en
  • DE707936C - Control device for driving the winding device from the drying chamber of textile webs running out, especially in sizing machines : de en
  • DE708093C - Siren for generating two different sound frequencies : de en
  • AU76740A - Improvements in power transmission couplings : en
  • US2248468A - Milling machine : en
  • US2248669A - Electromagnetic horn : en
  • US2248472A - Process for removing silica from argillaceous alumino-silicates : en
  • US2248048A - Thickener for decorating textiles of organic derivatives of cellulose : en
  • US2248113A - Medicinal composition : en
  • US2248474A - Salt bath furnace : en
  • USD128111S - Design for an electric clock : en
  • US2248280A - Machine for heating metal bars and tubes : en
  • DE707906C - Circuit arrangement for telephone systems with dialer operation and several exchanges : de en
  • DE707945C - Process for the extraction of hard asphalt from petroleum distillation residues : de en
  • CA397868A - Shoe upper smoothing apparatus : en fr
  • US2248751A - Transmission modifying network : en
  • USD128192S - Design for a water heater : en
  • CA397726A - Speed reducer : en fr
  • GB537874A - Improvements in and relating to mercury switch devices for controlling two or more relay circuits : en
  • US2248122A - Packing means for label cutting and folding machines : en
  • US2248323A - Internal combustion engine : en
  • US2248643A - Apparatus for enrobing frozen confectionery products with chopped nuts and similar substances : en
  • US2248822A - Signaling system : en
  • GB537902A - Improvements relating to electric fuses of the cartridge type : en
  • US2248409A - Cigar lighter : en
  • GB537910A - Apparatus projecting luminous rays for optical entertainment or advertising : en
  • GB537855A - Improvements in glasses containing lead : en
  • GB537785A - Improvements in or relating to film-winding means for cinematograph and sound-reproducing apparatus : en
  • DE707892C - Mill drying plant for pulverized coal furnaces : de en
  • DE707895C - Device for the production of blueprints or reflex copies : de en
  • DE707984C - Rear suspension for bicycles, especially motorcycles : de en
  • GB537899A - Improvements in means for suspending the overhead wires of electric traction systems : en
  • GB537892A - Improvements in or relating to hydrocarbon vapour burners : en
  • AT160542B - Device for determining aircraft altitudes using sound waves. : de en
  • DK58830C - Piston ring for syringes. : da en
  • DE708000C - Adjustable liquid contact thermometer : de en
  • DE708024C - Process for the preservation of green fodder : de en
  • US2248097A - Printing telegraph apparatus : en
  • USD128201S - Design for a dress : en
  • CA397859A - Towel dispensing mechanism : en fr
  • CA397805A - Lacquer composition : en fr
  • CA397761A - Cigarette case and extinguisher : en fr
  • US2248637A - Cooling system for draft beverages : en
  • US2248300A - Brassiere : en
  • US2248548A - Television transmitter : en
  • US2248202A - Combined typewriting and computing : en
  • DE708141C - Process for the production of bicycle saddles with an artificial leather cover : de en
  • DE707978C - Protective space ventilator with manually operated bellows : de en
  • DE707996C - Centrifugal fan : de en
  • DK58835C - Hammer crusher with Inlet grille, Output grille and Intermediate grille. : da en
  • US2248661A - Alternator : en
  • USD128115S - Design for a textile fabric : en
  • US2248131A - Filtering and packing material apparatus and method for making : en
  • US2248296A - Ice cuber : en
  • CA397757A - Display matter transfer : en fr
  • CA397775A - Sheet material die : en fr
  • US2248727A - Signaling system : en
  • US2248866A - Monument : en
  • US2248916A - Shelf, holder, and the like : en
  • US2248167A - Method of making rotors : en
  • US2248573A - Regenerative furnace : en
  • USD128212S - Design foe a deess : en
  • US2248423A - Exhaust gas turbo-blower means for horizontal internal combustion engines : en
  • US2248579A - Container : en
  • US2248738A - Hydraulic pump or motor : en
  • CA397729A - Helmet anti-concussion pad : en fr
  • CA397878A - Two-stroke cycle engine : en fr
  • US2248099A - Production of hydrocarbons from mixtures of carbon monoxide and hydrogen : en
  • US2248671A - Wall construction : en
  • US2248398A - Factory truck : en
  • US2248608A - Protective device : en
  • DE708105C - Device for connecting badly fitting sheets : de en
  • DK58840C - Portable Wind Direction Indicator. : da en
  • CA397763A - Reciprocating screen : en fr
  • AU247440A - Improvements in electrical musical instruments : en
  • DE708128C - Catch and recoil device for rail vehicles, especially conveyor wagons in mining : de en
  • GB537817A - Improved process and plant for manufacturing fuming sulphuric acid : en
  • US2248075A - Multiple combined stack and individual waste and group venting assembly : en
  • US2248371A - Valve for pneumatic tires : en
  • US2248460A - Bicycle headlight : en
  • USD128107S - Design for a textile fabric : en
  • US2248828A - 2,4,6-tri-tertiary-butyl phenol : en
  • US2248066A - Stripping harvester : en
  • US2248753A - Frequency control system : en
  • US2248251A - Automobile steering apparatus : en
  • US2248332A - Power transmitting device : en
  • US2248524A - Heating apparatus : en
  • US2248655A - Automobile cover : en
  • US2248434A - Mud gun : en
  • US2248837A - Custom-made hearing aid receiver tip : en
  • US2248680A - Ice tray : en
  • US2248718A - Connector clip : en
  • US2248781A - Type composing machine : en
  • US2248533A - Mouth beautifier : en
  • USD128208S - Design foe a coat : en
  • DK58829C - Sauna stove. : da en
  • CA397834A - Noise reduction system for radio receivers : en fr
  • CA397887A - Composite panel : en fr
  • SE102024C1 - Corrugated cardboard packaging : en sv
  • US2248502A - Lapping machine : en
  • CA397832A - Multi-range tunable oscillator : en fr
  • DE707884C - Electrically heated hob : de en
  • US2248469A - Syringe device : en
  • US2248561A - Intermediate frequency amplifier for television purposes : en
  • US2248615A - Bearing means : en
  • US2248558A - Television tube : en
  • US2248658A - Process for stabilizing organic heavy metal salts : en
  • CA397847A - Fish lure : en fr
  • US2248580A - Method of die casting different articles : en
  • GB537821A - Improvements in or relating to means for assisting the expulsion of the exhaust gases from the cylinders of internal combustion engines : en
  • CA397846A - Translucent petroleum plastic : en fr
  • US2248299A - Clamping device for paperhangers' outfits : en
  • US2248659A - Frying apparatus : en
  • US2248063A - Method of treating electrolytic coatings on magnesium and its alloys : en
  • US2248092A - Method for treating electroplating baths : en
  • DE708042C - Press casting machine with horizontally lying pressure cylinder : de en
  • CA397872A - Moccasin : en fr
  • DE708097C - Retort for the distillation of coal, especially for low temperature coking : de en
  • GB537774A - Process for the manufacture of tocols from nuclear alkylated hydroquinones : en
  • GB537794A - Improvements relating to the production of organic gelling compounds from plant tissues : en
  • GB537876A - Improvements in or relating to liquid pressure remote control systems : en
  • US2248260A - Refrigeration apparatus : en
  • US2248511A - Automatic emergency safety control : en
  • USD128224S - Design for a dress : en
  • DE707940C - Process for the production of objects with a smooth surface with coarse grain formation from magnetic steel sheets or strips : de en
  • US2248508A - Lubricating device for sewing machines : en
  • US2248271A - Circuit controlling device : en
  • US2248627A - Photographic apparatus : en
  • US2248408A - Method of making cadmium red pigments : en
  • DE707997C - One-piece, metal permanent mold, open on both sides, for casting streets : de en
  • US2248402A - Cigar lighter : en
  • US2248885A - Container : en
  • USD128178S - Design for a book gabbier : en
  • US2248209A - Leveling device : en
  • US2248855A - Cutting device for heel breasts : en
  • USD128138S - Design for a tray or similar article : en
  • GB537820A - Improvements in safety control devices for combing machines : en
  • US2248248A - Bag sealing machine : en
  • USD128222S - Design for a dress ensemble : en
  • DE707914C - Process for removing hydrogen sulphide from gases with simultaneous production of sulfur : de en
  • US2248836A - Shock absorbing strut : en
  • GB537790A - Process for the production of methyl alcohol : en
  • US2248256A - Flexible drive : en
  • US2248527A - Electric curler for permanently giving a marcel waving to the hair : en
  • USD128182S - Design for a doll : en
  • GB537822A - Improvements in and relating to electric cables and electric cable installations : en
  • US2248577A - Electric braking system : en
  • US2248239A - Phase shifting network : en
  • US2248586A - Frequency meter : en
  • US2248856A - Bridge indicator : en
  • GB537828A - Improvements in or relating to method of and apparatus for heating and drying : en
  • DE708029C - Device for adding a specific and adjustable amount of a fine-grained or powdery substance to a liquid for the production of a solution or suspension, especially for water purification systems : de en
  • GB537886A - Improvements in and relating to supports for electric lamps : en
  • US2248136A - Portable duplex perforator : en
  • US2248675A - Multiple finger electrical contact and method of making the same : en
  • US2248715A - Aligner : en
  • US2248820A - Electrical indicating means : en
  • US2248877A - Method of and apparatus for filling portable receptacles : en
  • DE708044C - Safety circuit for electric hoists and. like : de en
  • DE707926C - Vibrating screen : de en
  • US2248200A - Glove : en
  • USD128206S - Design for a battery charger : en
  • USD128233S - Kaufman dinner dress ensemble : en
  • GB537859A - Improvements in or relating to bombs : en
  • AU117340A - Electrodifferentiator : en
  • CA397813A - Hydraulic truck dump : en fr
  • US2248602A - Control equipment for prime mover electric generating plants : en
  • US2248731A - Gas mixer : en
  • CA397862A - Fastening device : en fr
  • US2248745A - Phase modulation : en
  • IE16376L - Chemically treating fatty material : en
  • US2248170A - Adjustable carrying bracket for automobiles : en
  • US2248522A - Automatic telegraphy : en
  • CA397815A - Watering device for laying cages : en fr
  • US2248231A - Sipper : en
  • US2248412A - Terrazzo floor and pattern and guide strips therefor : en
  • US2248432A - Method of making veneered vitrified products : en
  • US2248723A - Strip for roofing : en
  • US2248128A - Production of pattern effects on textile materials : en
  • US2248884A - Sanding block : en
  • DE708080C - Hook for roller hanger : de en
  • DE708060C - Fertilizer : de en
  • US2248157A - Automatic gun trap : en
  • GB537781A - Improvements in and relating to snap fasteners : en
  • USD128214S - Design for a dress ensemble : en
  • GB537914A - Improvements in or relating to photographic shutters : en
  • US2248808A - Folding or sliding clothes pole : en
  • AT160537B - Tilting device for self-unloaders. : de en
  • CA397797A - Cellulose derivative composition : en fr
  • US2248241A - Method of preparing alkaloids from koto-tsuzurafuji : en
  • US2248141A - Directional gyroscope : en
  • US2248355A - Angular tab guide : en
  • AT160536B - Hollow stone ceiling. : de en
  • US2248664A - Cylinder head : en
  • US2248149A - Winding device : en
  • US2248152A - Line space mechanism for record making machines : en
  • US2248529A - Fuel injection apparatus for internal combustion engines : en
  • US2248801A - Method of making refrigerating apparatus : en
  • USD128145S - Display stand for toothbrushes : en
  • US2248545A - Contact testing device : en
  • USD128162S - Design for a card trick device : en
  • US2248247A - Screeding and floating machine for cement floors : en
  • US2248496A - Refining lubricating oil stock : en
  • DE705476C - Perforated disc for image splitter : de en
  • CA397751A - Vehicle wheel : en fr
  • DE698778C - Process for the preparation of organic monochloro or monobromo compounds : de en
  • US2248333A - Web treating apparatus : en
  • US2248358A - Necktie holder and hanger : en
  • AU113360B2 - Improvements in spring sash balances for window sashes : en
  • CA397880A - Textile material colouring process : en fr
  • AT160530B - Process for the reverse development of photosensitive halide silver emulsion layers without intermediate exposure. : de en
  • AU113366B2 - Improvements in electrical musical instruments : en
  • CA397836A - Secondary electron discharge device : en fr
  • US2248201A - Mounting strap for interchangeable wiring devices : en
  • DE708002C - Iris diaphragm : de en
  • CA397716A - Waterproof abrasive block : en fr
  • GB537831A - Manufacture of azo-dyestuffs : en
  • DE708051C - Process for the recovery of silver from waste photographic material containing silver or silver compounds : de en
  • DE708075C - Process for the production of an effective extract from the wax moth caterpillars : de en
  • DE708030C - Drivable concrete ceiling for cesspools : de en
  • DE707879C - Two-axle bogie for rail vehicles : de en
  • CA397727A - Fastening means for flexible members : en fr
  • US2248312A - Double casing pump : en
  • US2248174A - Self-priming centrifugal pump : en
  • CA397864A - Refractory : en fr
  • US2248660A - Interlocking system for railroads : en
  • US2248687A - Means for wrapping articles : en
  • US2248711A - Sending unit for electric speedometers : en
  • US2248806A - Method and apparatus for forming staple fiber : en
  • DE708045C - Method and device for determining the average moisture content of wood by measuring the electrical resistance : de en
  • DE708064C - Circuit arrangement for telecommunication systems with dialer operation, in particular telephone systems, for controlling a dialer via identification lines : de en
  • US2248813A - Art of refrigeration : en
  • US2248305A - Producing apparatus for oil wells : en
  • GB537795A - Improvements in or relating to the manufacture of glassware : en
  • CA397826A - Oil well drill : en fr
  • US2248324A - Container capping and tying machine : en
  • US2248166A - Can opener : en
  • US2248492A - Vehicle transmission gearing : en
  • US2248572A - Apparatus for making ornamental articles : en
  • DE707957C - Container for accumulators : de en
  • US2248591A - jin sow : en
  • CA397790A - Refrigerator cabinet : en fr
  • US2248647A - Method and apparatus for sealing envelopes : en
  • US2248196A - Catalytic cracking and reforming : en
  • US2248073A - Pulsator for fluids : en
  • USD128191S - Design for a domestic water heater : en
  • US2248791A - Dynamic damper for in-line engines : en
  • GB537862A - An improvement for greasing, effected through a pistol-type grease gun : en
  • USD128139S - Design fok a tike : en
  • DE708118C - Bulletproof container : de en
  • US2248639A - Rotary piston machine : en
  • US2248775A - Venetian blind : en
  • US2248168A - Cutter for chamfering gears : en
  • US2248180A - Method of reclaiming finely divided metallic particles : en
  • US2248191A - Abrading machine : en
  • US2248389A - Article drying device : en
  • US2248510A - Electric switch : en
  • US2248886A - Mixing device for preparing mixtures such as mayonnaise and salad dressing : en
  • USD128210S - Joel dress : en
  • US2248124A - Well casing attachment : en
  • US2248390A - Toy vacuum sweeper : en
  • USD128131S - Design for a tire casing : en
  • CA397891A - Butter manufacture : en fr
  • DE707875C - Hurricane lantern : de en
  • US2248473A - Sound producing track and wheeled toy : en
  • GB537846A - Improvements in or relating to electro-plating barrels : en
  • US2248650A - Process for producing nitrogen trichloride : en
  • GB537915A - Improvements in or relating to bobbins : en
  • GB537883A - Improvements in and relating to re-inforced block work girders or beams : en
  • DE708144C - Box with a single issue for cigarettes and other stick-shaped items : de en
  • GB537814A - Adjustable apparatus for casting walls in situ : en
  • DE707907C - Magnetic coin checking device : de en
  • DE707970C - Pre-cooler for fish on board ships : de en
  • GB537807A - Improvements in and relating to electric motor control : en
  • DE707979C - Connection piece for gas protection masks : de en
  • GB537896A - Improvements in or relating to lamps : en
  • US2248211A - Well tool : en
  • US2248768A - Pocket form comforter : en
  • US2248606A - Electromagnetic induction apparatus : en
  • USD128158S - Dispenser for tooth powder and the like : en
  • CA397870A - Sole edge trimming machine : en fr
  • US2248523A - Hammer : en
  • DK58839C - Automatic firearm. : da en
  • US2248437A - Brake mechanism : en
  • US2248696A - Method of coloring textile fabrics : en
  • CA397854A - Oil well logging method : en fr
  • DE708079C - Door sealing for dishwasher machines : de en
  • US2248294A - Hopper for stokers : en
  • DE707965C - Valve for high-speed internal combustion engines : de en
  • GB537841A - Manufacture of surface active compounds : en
  • US2248471A - Packaging method and machine : en
  • US2248482A - Spool holder : en
  • DE708043C - Connection device for suction and blower lines on vacuum cleaners : de en
  • CA397792A - Vehicle wheel manufacture : en fr
  • US2248528A - Tappet operating arrangemnt for internal combustion engines : en
  • US2248802A - Costume jewelry : en
  • US2248372A - Hinge : en
  • US2248535A - Process and apparatus for manufacturing paper containers : en
  • US2248706A - Gearing device : en
  • USD128104S - Design for a pin or similar article : en
  • CA397879A - Gas heating apparatus : en fr
  • US2248318A - Method of making sticker packets : en
  • US2248575A - Telephone system : en
  • US2248827A - Dialkyl-cyclohexyl-phenols : en
  • CA397865A - Selenium rectifier manufacture : en fr
  • DE707689C - Evaporator for compression refrigeration machines : de en
  • USD128198S - Weiss printing-press : en
  • CA397804A - Knitting machine : en fr
  • CA397843A - Change speed transmission control mechanism : en fr
  • US2248313A - Vehicle drive : en
  • SE101954C1 - : en
  • CA397888A - Refrigeration apparatus : en fr
  • US2248138A - Speed change axle : en
  • USD128133S - Design fob, a figuse toy : en
  • DE707901C - Process for the dephenolation of waste water : de en
  • US2248233A - Surfaced wallboard and the like : en
  • US2248284A - Derivatives of pregnane and pregnene : en
  • USD128219S - Design for a knitted fabric : en
  • US2248679A - Injector : en
  • US2248490A - Method and apparatus for drying and truing up ceramic pipe : en
  • US2248499A - Belt splice vulcanizer : en
  • CA397756A - Multitubular boiler : en fr
  • US2248631A - Clock regulator : en
  • US2248850A - Valve for air brakes and the like : en
  • DE708114C - Process for the preparation of an oxotetrahydronaphthalene : de en
  • CA397722A - Branding device : en fr
  • CA397785A - Electric discharge apparatus : en fr
  • CA397894A - Braiding machine stop motion : en fr
  • US2248625A - Electric valve control circuit : en
  • USD128169S - Design for a lace : en
  • US2248150A - Air-cooled engine cowling : en
  • US2248290A - Fruit wrapping machine : en
  • CA397752A - Wheel disc structure : en fr
  • CA397749A - Wheel disc : en fr
  • CA397830A - High frequency coil mounting system : en fr
  • US2248500A - Removable roof structure : en
  • USD128123S - Electric range : en
  • US2248244A - Engine cranking system : en
  • US2248894A - Sucker rod guide : en
  • US2248769A - Fluid power transmission system : en
  • US2248135A - Method for the production of pile fabrics : en
  • USD128225S - Design for a coat : en
  • US2248056A - Film processing system : en
  • US2248121A - Window regulator : en
  • US2248226A - Nut locking device : en
  • US2248457A - Treatment of oil wells : en
  • US2248909A - Heat transfer device : en
  • US2248585A - Vacuum cleaner apparatus : en
  • USD128113S - Candlestick or similar article : en
  • CA397730A - Highway joint : en fr
  • US2248681A - Welded frame and bedplate for vertical piston machines : en
  • US2248084A - Lighting control system : en
  • US2248104A - Welding rod : en
  • US2248109A - Regeneration of sulphur solvents : en
  • US2248217A - Track sander : en
  • US2248707A - Vehicle wheel : en
  • DE707933C - Process for accelerating the trickling of clinker containing dicalcium silicate : de en
  • GB537798A - Improvements in or relating to oscillatory circuits for short electromagnetic waves : en
  • DE708100C - Large transformer with reinforcing brackets : de en
  • GB537789A - Process for the sizing and finishing of textiles by treatment with drying oils : en
  • US2248279A - Welding rod : en
  • DE708131C - Process for the preparation of polymerization products : de en
  • GB537893A - Automatic gain control arrangements for electric wave signalling systems : en
  • US2248712A - Magnetic control vacuum tube : en
  • USD128181S - Design for a brooch or similar article : en
  • GB537913A - Improvements in or relating to photographic shutters : en
  • DE707886C - Process for marking films made from regenerated cellulose : de en
  • DE708008C - Double porous shaped body, especially for filter purposes : de en
  • DE708087C - Bearing insert bushing (guide bush) for spindles, shaft ends, etc. like : de en
  • GB537877A - Improvements in means for locking electric lamps in lamps holders : en
  • US2248259A - Smoker's pipe : en
  • DE659448C - Process for wastewater treatment : de en
  • DE708088C - Vibratory colloid mill : de en
  • GB537804A - Improvements in or relating to friction clutches : en
  • US2248110A - Electric hammer : en
  • US2248604A - Indicating device for lecher systems : en
  • GB537881A - Improvements in machines for use in froth flotation : en
  • US2248556A - Interlaced line method : en
  • DE707949C - Method and device for hardening glass bodies of any shape, preferably glass panes : de en
  • IE16158L - Signalling over multi-channel carrier systems : en
  • DK58823C - Fertilizer. : da en
  • GB537806A - Improvements in and relating to steam heating systems : en
  • GB537867A - A new or improved method of preparing meat for transport : en
  • DE707929C - Photographic reproduction facility : de en
  • DE707946C - Safety and control device for gas-heated devices : de en
  • DE707964C - Button with sewn hat made of fabric : de en
  • DE708065C - Circuit arrangement for determining the traffic authorization of calling subscribers in a sub-center in telephone systems with dialer operation : de en
  • DE707956C - Process for the preparation of compounds having the action of vitamin E. : de en
  • DE707958C - Auto switch : de en
  • US2248198A - Removable oven splatter tray : en
  • US2248281A - Circular weaving loom : en
  • GB537839A - Improvements in and relating to the control of synchronous electric motors : en
  • DE708145C - Low-vibration suspension for the agitator of bowl classifiers : de en
  • DE708091C - Adjustment device for changing the blade pitch angle of adjustment propellers : de en
  • DE708085C - Process for improving the properties of polymers of crotylidenecyanoacetic acid and their derivatives : de en
  • DE707903C - Lid for the ribbon reels on typewriters : de en
  • US2248676A - Electric circuit and control for ironer shoes : en
  • US2248819A - Signal transmitting means : en
  • AU113359B2 - Improved collapsible box or crate orthe like : en
  • US2248383A - Braking arrangement : en
  • US2248070A - Welding transformer : en
  • US2248394A - Axle contact : en
  • US2248881A - Boat : en
  • US2248415A - Spark plug electrode seal : en
  • US2248530A - Metal article having antifriction surface : en
  • GB537779A - Improvements relating to the formation and supply of air-fuel mixtures to internal combustion engines : en
  • AT160543B - Thermal, electromagnetic and hand-releasable push-button self-switch with trip-free release. : de en
  • CA397873A - Steel manufacture : en fr
  • US2248488A - Nonflammable organic heat transfer agent : en
  • AT160522B - Process for producing colorations on the fiber. : de en
  • AU113355B2 - An improved lathe : en
  • US2248747A - Interlocking mechanism : en
  • AT160528B - Process for the production of a pressable synthetic material. : de en
  • DE707874C - Arrangement for the simultaneous remote control of several guns or searchlights : de en
  • DE707931C - Crank drive : de en
  • GB537885A - Improvements in or relating to electrical measuring instruments : en
  • GB537889A - Improved device comprising one or more blocking-layer electrode systems : en
  • US2248480A - Method of thickening latex and composition produced : en
  • US2248728A - Oil burner : en
  • US2248087A - Selective orienting button positioning machine : en
  • US2248195A - Clock : en
  • US2248427A - Tool for dressing grinding wheels : en
  • US2248306A - Fuel control system : en
  • DE708101C - Process for the production of permanent magnets : de en
  • DE708049C - Lot : de en
  • US2248158A - Curved tooth gear and pinion wheels : en
  • US2248253A - Method for manufacturing cellulose dipped articles : en
  • DE707881C - Device for speed or frequency control of electrical machines : de en
  • DE708072C - Multi-phase high voltage converter with surrounding segment contacts : de en
  • US2248817A - Electrical housing box : en
  • GB537908A - Actuating means for a change-speed mechanism : en
  • GB537784A - An amplifier for direct current and alternating voltages of low frequency : en
  • US2248410A - Mounting bracket : en
  • US2248503A - Metal polishing apparatus : en
  • US2248621A - Method of fabricating welded assemblies : en
  • USD128211S - Design for a redingote : en
  • US2248269A - Coupling : en
  • US2248861A - Article of wearing apparel : en
  • US2248890A - Boiler : en
  • GB537816A - Hydrocarbon lubricating oil compositions : en
  • US2248161A - Scoreboard for games : en
  • US2248431A - Gear shifting mechanism : en
  • US2248742A - Pipe cleaning apparatus : en
  • US2248590A - Aeronautical propeller blade mounting : en
  • USD128116S - Design for a textile fabric : en
  • DE707889C - Locking device on booking machines : de en
  • US2248153A - Method for emulsifying the essential principles of hops : en
  • GB537878A - Improvements in television synchronizing-signal separators : en
  • USD128170S - Design fok a lace : en
  • GB537868A - Improvements in or relating to thermionic valve holders : en
  • DE707891C - Device for mounting ball bearings in pairs : de en
  • GB537916A - Improvements in rotors of centrifugal compressors, turbines and the like : en
  • DE708025C - Machine gun mounts for aircraft : de en
  • CA397856A - Detergent aid : en fr
  • US2248550A - Low-frequency correction of image amplifiers : en
  • US2248688A - Candy making machine : en
  • US2248846A - Vacuum electric switch and plate : en
  • CA397777A - Lubricating device : en fr
  • CA397831A - Noise reduction system for radio receivers : en fr
  • US2248147A - Dimpling machine : en
  • US2248588A - Gas filled cable installation : en
  • USD128234S - Design for a dsess ensemble : en
  • US2248346A - Method for the recovery of phytosterol : en
  • US2248616A - Telemetering system : en
  • US2248613A - Device and method of making ornamental designs : en
  • US2248466A - Band pass coupling network : en
  • USD128128S - Design fok a guitar playing bar : en
  • USD128226S - Ijnitfd statfs patfnt offipf : en
  • US2248594A - Electric ignition device : en
  • US2248172A - Race grinder : en
  • CA397750A - Vehicle wheel : en fr
  • US2248319A - Metal body for motor vehicles : en
  • DE707885C - Rotating grate gas generator with a rotating ash pan : de en
  • DE707899C - Decorative and economic apron for women and girls : de en
  • DE707921C - Lubricating press with a pump that is arranged horizontally under a lubricant container and operated by a step lever : de en
  • DE708117C - Process for the production of protein breakdown products of the lysalbic and protalbic acid type : de en
  • CA397780A - Electric lamp : en fr
  • US2248216A - Splash guard : en
  • GB537887A - Improvements relating to grilling apparatus : en
  • US2248726A - Address plate : en
  • US2248272A - Magnetizing of annular magnets : en
  • US2248901A - Tire cord : en
  • DE708012C - Small quick switch with UEbestromausloeser for electrical house and commercial systems : de en
  • DE708071C - Arrangement for cooling the side of the metal vessel wall of a metal vapor rectifier, inclined against the same, large number of closely adjacent anode arms with the aid of cooling ribs : de en
  • US2248416A - Copyholder : en
  • US2248765A - Method and apparatus for analyzing water and other solutions : en
  • US2248369A - Leg rest : en
  • US2248736A - Garment bag holder : en
  • DE707922C - tube : de en
  • DE707943C - Incandescent cathode discharge tubes, especially X-ray tubes, with a cylindrical central part : de en
  • DE708112C - Arrangement for dispersing substances by ultrasonic waves : de en
  • CA397853A - Geophysical prospecting apparatus : en fr
  • US2248689A - Compact : en
  • US2248841A - Apparatus for handling materials : en
  • SE101993C1 - : pt
  • US2248760A - Directional signal for automobiles : en
  • US2248264A - Filling and venting structure : en
  • US2248873A - Cigarette and cigar quencher : en
  • GB537837A - Improvements in or relating to containers for inhalants : en
  • US2248448A - Ice cream sundae cone : en
  • US2248481A - Oscillating system : en
  • US2248617A - Article made of cellophane : en
  • US2248462A - Modulation system : en
  • US2248716A - Arbor for spools or the like : en
  • DE708121C - Facility for operating Roentgen pipes : de en
  • DE707920C - Air-compressing internal combustion engine for dust-like fuels with a controlled antechamber-like chamber : de en
  • DE708134C - Roller speaking machine, in particular dictation machine : de en
  • CA397719A - Liquid pressure control fitting : en fr
  • US2248825A - Electric mine shaft signal system : en
  • US2248221A - Propeller blade : en
  • USD128157S - Unitfd statfs patfnt offipf : en
  • CA397770A - Aluminium coating process : en fr
  • US2248622A - Reversible feed mechanism for recorders : en
  • US2248311A - Can filling machine : en
  • DE707880C - Single pole pantograph : de en
  • DE708039C - Device for processing used lubricating oils : de en
  • US2248156A - Mixing machine for bottled carbonated beverages : en
  • AU248240A - Improvements in vibrators : en
  • AU248340A - Improvements in and connected with glass tanks and receptacles for molten glass : en
  • AU113363B2 - Improved means forthe control and, operation ofthe transmission clutch and hold-down of guillotines, bar shears andthe like : en
  • CA397783A - Sleeping car arrangement : en fr
  • USD128184S - Design for a muffler : en
  • US2248061A - Liquid treating apparatus : en
  • GB537810A - Improvements in or relating to detachable buttons, collar-studs, cuff-links and the like : en
  • US2248298A - Feeding device for metalized material or gold leaf : en
  • US2248349A - Inhalation device for use in aviation at high altitudes : en
  • US2248059A - Truck mounting for pneumatic tired railway cars : en
  • US2248377A - Clutch control : en
  • AT160524B - Process for the preparation of new oxyketones or their esters or ethers. : de en
  • US2248316A - Bowling game : en
  • US2248188A - Manifolding device : en
  • US2248420A - Tire lug chain : en
  • CA397809A - Broad coke oven : en fr
  • US2248418A - Cigarette holder : en
  • US2248582A - Mounting means for sheets and the like : en
  • US2248303A - Art of treating foot ailments : en
  • AT160544B - Process for the production of rings and hollow cylinders made of graphite carbon with jackets made of steel. : de en
  • DE708143C - Screw press for making stones : de en
  • DE707967C - Chip breaker : de en
  • US2248865A - Shock absorbing strut : en
  • USD128161S - Design for shoe shiner s chair : en
  • DE708057C - Process for the production of bolt or external threads : de en
  • DE708136C - Storage of rotating conveyor trays on machines for spreading artificial fertilizer : de en
  • AU113385B2 - Improvements in hosiery : en
  • DE707900C - Ring tube heating system for evaporators and cookers, especially in sugar factories : de en
  • DE707871C - Cushioning, especially for swing axles of motor vehicles : de en
  • GB537792A - Attachment for milling machines to facilitate precision reproduction or duplication of articles or templates : en
  • US2248449A - Hydraulic pump : en
  • US2248821A - Rectifier and control means therefor : en
  • CA397820A - Calculating machine : en fr
  • US2248330A - Supporting bracket for conduit outlet boxes and fixtures : en
  • CA397767A - Direction indicator : en fr
  • CA397869A - Wax thread sewing machine : en fr
  • US2248175A - Piston : en
  • AT160521B - Altimeter with an electric display device, in particular for aircraft. : de en
  • US2248790A - Sound recording device : en
  • US2248546A - Rock drill : en
  • US2248900A - Knitted fabric : en
  • DE708108C - Wash basin with an exhaust valve that can be closed and opened by turning the basin : de en
  • US2248214A - Toy : en
  • US2248559A - Scanning disk for television transmission : en
  • DE707911C - Circulating magnet system for small magnet-electric machines : de en
  • DE707968C - Device for continuous grinding of dry and wet material : de en
  • DE707987C - Drying device, especially for agricultural products : de en
  • US2248871A - Folding table : en
  • USD128195S - Design for a bottle or similar article : en
  • US2248085A - Lighting control system : en
  • CA397733A - Machine tool clamping device : en fr
  • CA397734A - Buoyant decoy : en fr
  • CA397737A - Truck cement carrier : en fr
  • CA397807A - Suction cleaner : en fr
  • AT160538B - Full storey, especially infantry storey. : de en
  • US2248148A - Apparatus for comparing, matching, or detecting colors : en
  • US2248526A - Apparatus for disintegrating cereals and other granular materials : en
  • US2248560A - Television amplifier system : en
  • US2248703A - Index digest : en
  • US2248838A - Machine for twisting together threads or the like : en
  • US2248065A - Closure : en
  • US2248653A - Apparatus for measuring the amplitude of oscillations : en
  • US2248045A - Frequency modulation : en
  • US2248134A - Synchronizing mechanism : en
  • US2248648A - Portable stick handling carrier : en
  • DE707908C - Method for actuating several different sensitive electrical display devices for radio navigation signals : de en
  • US2248204A - Frame for women's strapless garments : en
  • US2248672A - Control device : en
  • US2248789A - Controllable pitch propeller : en
  • USD128199S - Design foe a coat : en
  • US2248644A - Method of sealing evacuated envelopes : en
  • US2248077A - Egg filtering and treating apparatus : en
  • CA397740A - Barbed entanglement : en fr
  • US2248732A - Process for the hardening of steel : en
  • CA397840A - Television receiver : en fr
  • AU113370B2 - Improvements in and connected with glass melting tanks, furnaces andthe like : en
  • GB537912A - Improvements in or relating to multi-ply glass sheet glazing units : en
  • US2248564A - Marine electric gear shift : en
  • US2248289A - Process of producing pies : en
  • USD128144S - Design for a parking meter casing : en
  • USD128203S - Design foe a coat : en
  • US2248261A - Aspirator and method of making the same : en
  • US2248456A - Muffling and cooling device for internal combustion engines : en
  • US2248786A - Apparatus for forming and cutting sheet metal : en
  • US2248700A - Powder dispenser : en
  • DE707930C - Impact protection for fire ladders : de en
  • DE707950C - Scaffolding ties : de en
  • DE708026C - Spring strut for aircraft : de en
  • USD128142S - Design for an electric fan : en
  • US2248773A - Garment hanger : en
  • USD128183S - Design for a toy horse : en
  • US2248326A - Excavating shovel : en
  • US2248100A - Jewel made from golden colored alloys : en
  • US2248181A - Dust collector : en
  • DE708120C - Time relay with manually adjustable to the switching time and returned from the movement to its neutral position that causes the disengagement : de en
  • DE707995C - Method and knitting machine for the production of clad interlock goods : de en
  • US2248543A - Reflector unit : en
  • US2248917A - Seat cushion : en
  • US2248199A - Method and means for preventing cross infection : en
  • US2248293A - Sound record film : en
  • US2248337A - Out-swinging window construction : en
  • USD128140S - Design for a display stand : en
  • US2248178A - Refrigeration : en
  • DE707938C - Device for transferring the heat of pressurized gases, in particular from radiation or deflagration chambers of steam generators or internal combustion engines, to other substances : de en
  • US2248090A - Self-controlled carburetor : en
  • DE708092C - Firearm with cartridge magazine : de en
  • US2248243A - Submarine apparatus : en
  • US2248525A - Massaging device : en
  • US2248583A - Code translating mechanism : en
  • US2248116A - Automatic tuning system for radio sets : en
  • US2248547A - Display box : en
  • CA397845A - Hair clipping or shaving device : en fr
  • US2248360A - Button making machine : en
  • US2248879A - Milk bottle spout : en
  • US2248888A - Repair and testing device for ply materials : en
  • US2248730A - Support device : en
  • US2248852A - Phase inverter for push-pull amplifiers : en
  • CA397848A - Cement burning process : en fr
  • US2248078A - Process of prepaking vitamin bx : en
  • US2248379A - Hydraulic window regulator : en
  • US2248663A - Wire coating device : en
  • US2248710A - Laundry pressing member : en
  • US2248538A - Collapsible automobile roof : en
  • US2248832A - Traverse mechanism for textile machines : en
  • USD128146S - Design for a display stand for combs : en
  • US2248163A - Tobacco ash receptacle : en
  • CA397779A - Ophthalmic mounting : en fr
  • US2248777A - Metal covered door : en
  • USD128227S - Design for a dress : en
  • US2248047A - Tire signal and system : en
  • US2248392A - Electric lamp : en
  • US2248106A - Driving mechanism : en
  • US2248107A - Polymerization of butadienes : en
  • US2248570A - Typewriting machine : en
  • DE708054C - Clamping device for wire strapping machines : de en
  • DE708083C - Gutter : de en
  • DK58821C - Method of Making a Coked Material. : da en
  • USD128135S - Design for a shuttle for game of badminton : en
  • US2248630A - X-ray screen : en
  • US2248862A - Manufacture and production of artificial filaments and apparatus therefor : en
  • AU116483B2 - Improvements in or relating to facsimile telegraph systems : en
  • CA397732A - Shaft packing : en fr
  • CA397742A - Cigarette maker : en fr
  • US2248497A - Mortarboard cap : en
  • US2248484A - Heat energized apparatus : en
  • US2248532A - Dental matrix band : en
  • US2248652A - Starting device : en
  • US2248115A - Cutoff machine : en
  • US2248276A - Drafting table : en
  • USD128213S - Design fok a textile fabkic : en
  • CA397829A - Spark plug : en fr
  • CA397806A - Absorption refrigerating apparatus : en fr
  • AU113358B2 - Electrodifferentiator : en
  • DE693161C - Milk transport jug made of light metal : de en
  • US2248741A - Resistance unit : en
  • US2248227A - Tuned circuit : en
  • US2248797A - Regenerative circuits : en
  • DE708122C - Process for the production of leuco-sulfuric acid esters of Kuepen dyes of the anthanthrone series : de en
  • US2248629A - Machine and supporting arrangement therefor : en
  • US2248740A - Manufacture of hydrogen chloride and alkali sulphate : en
  • US2248782A - Tuning arrangement for electric oscillations : en
  • AU202141A - An improved clothes line : en
  • US2248854A - Shoulder rest for violins : en
  • US2248697A - Harness : en
  • CA397788A - Dynamo-electric machine : en fr
  • CA397819A - Loading and unloading apparatus : en fr
  • AT160545B - Device for the regulated distribution of a gas or liquid flow. : de en
  • US2248848A - Mineral oil composition : en
  • CA397828A - Windshield wiper : en fr
  • US2248465A - Process for the reduction of fatty acids to alcohols : en
  • US2248517A - Reinforced concrete floor structure : en
  • GB537884A - Improvements in or relating to compressor regulators : en
  • US2248340A - Rock bit : en
  • GB537815A - Thiocyano esters : en
  • US2248206A - Ash removal equipment for stokers : en
  • GB537843A - Improvements in or relating to the making of boxes : en
  • US2248091A - Process of producing fast dyeings and the dyed fiber obtained thereby : en
  • US2248501A - Method and machine for knitting : en
  • GB537864A - Improvements in and relating to colour correction in colour photography : en
  • GB537825A - Improvements in or relating to fuel injectors or atomisers for internal combustion engines : en
  • DE708066C - Circuit arrangement for people searching devices in telephone systems, in particular private branch exchanges, with a dialer used to identify the subscriber to be searched for : de en
  • DK58822C - Process for the Preparation of 4-Aryl-Pentamethylene Oxide and 4-Aryl-Pentamethylene Sulfide-4-Carboxylic Acids and Their Derivatives. : da en
  • US2248246A - Overhead spring sash balance : en
  • GB537836A - Improvements in electromagnetic oscillating devices for wireless transmission : en
  • US2248620A - Extraction apparatus : en
  • GB537894A - Improved process for producing alkylated aromatic compounds : en
  • DE707953C - Slipping clutch drive of the take-up shaft for sizing machines or similar machines : de en
  • DE707955C - Process for the preparation of fluorinated benzene carboxylic acid derivatives : de en
  • US2248129A - Novelty advertising match book : en
  • US2248853A - Abrasive article and method of making same : en
  • CA397861A - Fastening device : en fr
  • GB537890A - Improvements in detachable grips for use more especially on tractor wheels : en
  • US2248072A - Motor control : en
  • USD128229S - Design foe a bsesj : en
  • US2248478A - Roller vibrator : en
  • US2248224A - Fastener : en
  • DE708048C - Method of manufacturing composite bearing shells : de en
  • DE708135C - Fertilizer spreader : de en
  • DE707925C - Process for comminuting, in particular pulverizing, coal and other commodities : de en
  • US2248146A - Telephone system : en
  • US2248461A - Multiple die for composite articles : en
  • US2248520A - Wing beam : en
  • US2248623A - Protective device : en
  • US2248414A - Awning center support : en
  • US2248514A - Granular superphosphate with low fluorine content : en
  • DE707890C - Drive device for the lubricating oil pump of an internal combustion engine located at the bottom of the crankcase : de en
  • DE708031C - Process for the production of sulfur from used gas cleaning mass : de en
  • GB537860A - Improvements in or relating to stokers : en
  • CA397881A - Dark coloured textile material : en fr
  • US2248509A - Method for producing carbon bisulphide : en
  • US2248750A - Remote control fender shield latch : en
  • USD128114S - Design for a golf club head : en
  • USD128186S - Design fob a cake knife or analogous article : en
  • US2248513A - Milk bottle holder : en
  • US2248792A - Right-angled gear drive : en
  • USD128172S - Design foe a reading stand : en
  • CA397893A - Flue tube : en fr
  • GB537775A - Improvements connected with hinges : en
  • US2248320A - Earth anchor : en
  • DE708076C - Disinfection method : de en
  • US2248321A - Railway traffic controlling apparatus : en
  • US2248698A - Knot tier : en
  • US2248566A - Telephone system : en
  • US2248127A - Dispensing and packaging device for fluids : en
  • GB537827A - Improvements in or relating to the production of synthetic resinous compositions : en
  • US2248632A - Lithopone and process of producing same : en
  • USD128122S - Design foe, a beach kit : en
  • USD128236S - Design fob a dress : en
  • AU113369B2 - Improvements in and connected with glass tanks and receptacles for molten glass : en
  • CA397755A - Clock : en fr
  • US2248171A - Braking mechanism : en
  • US2248793A - Method of regulating the amplitude of electric waves : en
  • US2248388A - Towel cabinet : en
  • USD128163S - Design fok a table top : en
  • DE707904C - Automatic vehicle coupling, preferably for conveyor wagons : de en
  • US2248210A - Microscope projector : en
  • AU168940A - Improvements in or relating to electric switches for alternating current circuits : en
  • AU244440A - An improved hairpin or hair clasp : en
  • US2248505A - Agricultural implement : en
  • GB537848A - Improvements in modulating systems for high frequency electric signalling : en
  • US2248844A - Receptacle and receptacle head : en
  • US2248055A - Apparatus and method for carrying out chemical reactions : en
  • US2248071A - Plastic polymer compositions : en
  • US2248764A - Spring lever clutch : en
  • DE707896C - Photoelectric effective device for day and night operation : de en
  • US2248605A - Electric plug connection : en
  • US2248101A - Method and apparatus for investigating subterranean strata : en
  • DE696669C - : de en
  • US2248049A - Desk construction : en
  • US2248169A - Oil well tool : en
  • US2248830A - Alkylated phenol : en
  • US2248098A - Protection of pipes and like hollow bodies : en
  • US2248668A - Dewaxing hydrocarbon oil : en
  • US2248274A - Cosmetic powder box : en
  • US2248788A - Wire fence tool : en
  • US2248908A - Self-expanding well plug : en
  • US2248366A - Safety hat : en
  • GB537847A - Improvements in or relating to electro-plating barrels : en
  • DE707807C - Circuit arrangement for signaling systems with a main loop and lower loops that can be optionally connected to this : de en
  • DK58834C - Method for Plating Iron Plates. : da en
  • GB537879A - Improvements in or relating to electric sockets : en
  • GB537819A - Improved process and apparatus for the electrostatic separation of particles having different electrical susceptibility : en
  • GB537853A - Improvements in and relating to the cleaning of sacks, bags or like containers : en
  • CA397778A - Multi-ply roofing : en fr
  • US2248758A - Optical system for reducing the viewing angle of certain devices such as photoelectric cells : en
  • US2248772A - Television system : en
  • DE707872C - Rotatable front frame, especially for motor vehicle trailers, with spring-loaded swing axles : de en
  • USD128132S - Design fok, a fishing rod handle : en
  • DE708129C - United driving and safety brake for conveyor machines : de en
  • GB537871A - Improvements in safety razors : en
  • CA397863A - Fastening device : en fr
  • US2248361A - Electric switch : en
  • GB537786A - Improvements in or relating to rotating gun turrets for aircraft : en
  • US2248265A - Wheel balancing weight : en
  • GB537787A - Improvements in or relating to the attachment of handles to mattresses : en
  • US2248633A - Peanut heater : en
  • DE707919C - Method for the rapid killing of marine mammals shot with a garnet harpoon : de en
  • US2248779A - Piston : en
  • US2248212A - Telephone system : en
  • US2248288A - Outer garment : en
  • US2248755A - Rivet : en
  • DE707944C - Production of zinc white : de en
  • US2248339A - Roller cutter : en
  • USD128177S - Design for a vase or similar article : en
  • DE708058C - Spin washer : de en
  • US2248737A - Pilot control : en
  • US2248046A - Manifolding machine : en
  • US2248847A - Shuttle ejector : en
  • USD128174S - Design for a combination desk unit : en
  • US2248352A - Mute for trumpets or like instruments : en
  • US2248384A - Speed-change mechanism : en
  • DE707779C - Sound absorbing and shock-reducing pad : de en
  • US2248043A - Protective device for web register control mechanism : en
  • DE707876C - Process for processing carbonized waste into briquettes : de en
  • DE708034C - Device for braking the railcars driving in electric trains as sidecars with direct current motors : de en
  • US2248194A - Pasting apparatus : en
  • USD128202S - Design for an automobile : en
  • DE707974C - Filter breathing apparatus, especially for protection against dust : de en
  • CA397810A - Broad coke oven : en fr
  • US2248126A - Water closet lift arm assembly : en
  • DE708090C - Process for the uniform coating of cylinders, in particular printing form cylinders, with light-sensitive materials : de en
  • GB537851A - Improvements in or relating to pyrophoric lighters : en
  • US2248451A - Tire valve steam assembly : en
  • US2248555A - Method of insuring the synchronization in television transmitters : en
  • DE708138C - Device for generating compressed combustion gases for extinguishing purposes : de en
  • DE707663C - Surgical closure material : de en
  • DE707842C - Procedure for carrying out blind landings of aircraft : de en
  • GB537861A - Gas blast circuit breaker : en
  • US2248766A - Self-closing container : en
  • US2248062A - Method of treating electrolytic coatings on magnesium and its alloys : en
  • US2248255A - Machine for applying and drying adhesive : en
  • US2248542A - Fingering steel for guitars : en
  • CA397816A - Flat knitting machine : en fr
  • DE708069C - Airspace-insulated electric wire or cable for high frequency purposes : de en
  • DE708133C - Process for the electrolytic decomposition of metal compounds : de en
  • US2248759A - Revolvable electric plug : en
  • USD128137S - Design for a funeral service chapel : en
  • US2248088A - Universal cold roll forming machine : en
  • US2248413A - Seat construction : en
  • AU113353B2 - Improvements in power transmission couplings : en
  • US2248232A - Apparatus for removing plaster from plate glass surfacing tables : en
  • US2248595A - Coffee maker : en
  • CA397849A - Diamond drill bit : en fr
  • US2248108A - Bottle breaking machine : en
  • US2248507A - Knitting machine : en
  • DE707999C - Process to achieve the work-hardened state while maintaining the ordered atomic distribution or the special properties caused by it in alloys with a superstructure : de en
  • US2248052A - Projection apparatus : en
  • US2248083A - Modulation system : en
  • AU208340A - Means for automatically starting the discharge in electric discharge lamps : en
  • US2248876A - Link motion retracting blade switch : en
  • DE707928C - Process for the recovery of carbonic acid from fruit juices when bottling from a storage tank under carbonic acid pressure : de en
  • US2248435A - Compressed air actuated hydraulic brake : en
  • US2248464A - Die spotting and tryout press : en
  • DE708074C - Pipe-like chimney top with a roof : de en
  • DE707912C - Adjustable electrical capacitor in the form of a glow tube : de en
  • DE708050C - Lighting device for recording and playing back video films : de en
  • US2248151A - Production of substantive azo dyestuffs : en
  • CA397803A - Knitting machine and fabric : en fr
  • CA397759A - Copper and lead alloy : en fr
  • CA397883A - Dark coloured textile material : en fr
  • US2248774A - Mechanical impulse repeater : en
  • US2248867A - Device for liquefying honey : en
  • US2248576A - Hose coupling : en
  • US2248587A - Explosive : en
  • US2248395A - Fuel oil burner : en
  • AU113356B2 - Means for automatically starting the discharge in electric discharge lamps : en
  • CA397793A - Food product curing system : en fr
  • USD128134S - Design for a figure toy : en
  • CA397781A - Knife grinding or sharpening machine : en fr
  • US2248039A - Method of operating a rotary kiln : en
  • AT160527B - Process for the distillation of fatty acids from a boiling fatty acid mass under high vacuum. : de en
  • US2248203A - Washing machine attachment : en
  • US2248433A - Float valve : en
  • US2248905A - Concentrated photographic fixing and hardening sirup : en
  • US2248348A - Wall construction : en
  • US2248459A - High frequency sound generator : en
  • USD128147S - Holding and dispensing bracket for tooth paste tubes and the like : en
  • AU80940A - Improvements in or relating to electric switches : en
  • CA397760A - Toy-rifle : en fr
  • CA397839A - Switching device : en fr
  • DE708139C - Device for collecting and extinguishing burning liquids in large tank systems : de en
  • CA397808A - Zinc refining method : en fr
  • US2248173A - Stock ticker : en
  • US2248376A - Conveyer system : en
  • CA397764A - Propeller de-icer : en fr
  • CA397795A - Straphanthus glucoside : en fr
  • CA397892A - Solid material separating apparatus : en fr
  • DE707877C - Process for the production of foam-resistant alkylpyridinium and alkylquinolinium compounds : de en
  • DK58832C - Multi-stage motor compressor with free-running pistons. : da en
  • US2248125A - Wash-down and cementing attachment for well casings : en
  • USD128148S - Design for a brooch or similar article : en
  • US2248400A - Stimulation of fruit growth : en
  • US2248761A - Oil seal : en
  • US2248242A - Radio tuning system : en
  • US2248562A - Repeater compass for submarine boats : en
  • US2248067A - Solvent extraction process : en
  • US2248914A - Spinning ring and traveler therefor : en
  • US2248213A - Decalcomania transfer and method : en
  • US2248463A - Grinding wheel dressing mechanism : en
  • AU214740A - Improvements in gas-tight seals whereby electric conductors pass into a vitreous envelope : en
  • CA397876A - Condenser dielectric : en fr
  • DE707991C - Low-loss oscillating circuit arrangement for ultra-short waves : de en
  • AT160533B - Process for the production of large-area components such as building panels, doors, walls and the like. like : de en
  • US2248193A - Towel dispensing apparatus : en
  • US2248429A - Meter : en
  • US2248757A - Compression-expansion system : en
  • CA397882A - Dark coloured textile material : en fr
  • US2248117A - Electric lighted ornamental device : en
  • US2248425A - Rectifier tube : en
  • US2248717A - Preparation of sheet glass : en
  • DE708036C - Device for regulating the frequency or power of generators driven by turbines : de en
  • US2248114A - Dog leash : en
  • USD128119S - Design for a knob for an electric switch : en
  • GB537911A - Improvements in and relating to apparatus for circulating and heating water, and to methods and plant involving the use of said apparatus : en
  • US2248714A - Method of treating colored glass sheets : en
  • US2248771A - Television receiver : en
  • US2248612A - Means for positioning and holding printing plates : en
  • US2248624A - Electric valve control circuits : en
  • USD128151S - Design for a magnetoelectric generator : en
  • GB537824A - Improvements in or relating to four-stroke cycle rotary internal combustion engines : en
  • CA397784A - Discharge lamp system : en fr
  • CA397724A - Rock crusher : en fr
  • DE708113C - Electrolytic water decomposer : de en
  • DE707893C - Dust collector : de en
  • DE708081C - Movable wall used to change space : de en
  • DK58837C - Chain box for Bicycles. : da en
  • US2248164A - Means for transmitting time signals : en
  • US2248351A - Checking system for aircraft : en
  • US2248598A - Tubular lamp base and socket : en
  • US2248636A - Bentonite product : en
  • USD128109S - Design fob a register : en
  • GB537898A - Improvements in or relating to lighting fittings : en
  • GB537800A - Improvements in or relating to cinematograph projection : en
  • USD128141S - Design for a display stand : en
  • DE708017C - Process for the preparation of monoazo dyes : de en
  • GB537905A - Improvements in insulated electrical conductors : en
  • US2248359A - Illuminated punch : en
  • USD128238S - Similar article : en
  • DE708077C - Process for the production of hollow glass bricks : de en
  • DE707898C - Process for the production of molded bodies containing elemental silicon : de en
  • US2248179A - Photographic developing apparatus : en
  • DE708019C - Half-gas firing with a steep grate arranged on the fuel feed side and water-saturated under-wind feed : de en
  • DE708006C - Bulkhead for excavators : de en
  • USD128205S - Design for a dbess : en
  • DE708124C - Process for the production of organic acids : de en
  • US2248341A - Knitting needle : en
  • US2248618A - Bactericidal apparatus : en
  • US2248796A - Shears : en
  • DE708127C - Pulling and hanging device for window curtains, curtains or the like. : de en
  • GB537813A - Preparation of urea-formaldehyde polymer for papermaking : en
  • GB537863A - Improvements in or relating to the lubrication of rotary valves : en
  • US2248375A - Brake : en
  • DE708055C - Overpressure nozzle for the oxygen jet in cutting torches : de en
  • DK58828C - Vertical Retort for Distillation of Carbonaceous Materials. : da en
  • DE707941C - Chromium-molybdenum-iron alloy for corrosion-resistant objects, the production of which requires a high level of deep-drawing ability : de en
  • DE708003C - Carbon dioxide absorption cartridge for respiratory protection devices : de en
  • US2248051A - Offshore drilling rig : en
  • US2248139A - Riveting machine : en
  • US2248220A - Method of separating constituents of mineral oils : en
  • US2248662A - Apparatus for treating solid materials with volatile organic solvents : en
  • US2248684A - Wheel for airplane undercarriages or other heavy vehicles : en
  • US2248826A - Recovery of alumina : en
  • DE708099C - Cascade current transformers with ring capsule-shaped, iron cores and a winding containing insulating bodies : de en
  • US2248080A - Trailer : en
  • US2248317A - Sticker packet : en
  • US2248245A - Engine torque regulating device : en
  • US2248892A - Picker motion for looms : en
  • US2248531A - Thermostat : en
  • US2248628A - Method of casting metal bodies : en
  • USD128150S - Peter j- swoffoftd : en
  • GB537891A - Method and machine for finishing gears and the like by shaving : en
  • GB537845A - Improvements in and relating to the production of periodicals, more particularly of such which deal with specific subjects : en
  • GB537880A - Improvements in taximeters : en
  • US2248197A - Frequency variation response circuit : en
  • US2248378A - Friction clutch : en
  • US2248144A - Automatic radio tuner : en
  • US2248297A - Window sash construction : en
  • US2248096A - Testing circuit : en
  • US2248634A - Method of concentration : en
  • US2248811A - Method of manufacturing floor coverings : en
  • AU113362B2 - Improvements in or relating to electric switches : en
  • US2248446A - Optical profile grinding machine : en
  • USD128218S - Design fob, a bottle os similar asticls : en
  • US2248911A - Benzene sulphonic acid derivatives and manufacture thereof : en
  • US2248805A - Prison building : en
  • DE708037C - Equipment for protecting surge arresters against overloads : de en
  • GB537875A - Improvements relating to electric junctions : en
  • USD128209S - Design for a coat : en
  • US2248385A - Seal : en
  • GB537801A - Improvements in or relating to control arrangements comprising a saturable inductance for thermionic valves and other circuits : en
  • AU523539A - An improved means of controlling vacuum operated machines and vacuum operated means for conveying and elevating liquids : en
  • DE707905C - Overhead warning system : de en
  • DE707917C - Method and device for casting liquid metal by means of gas pressure for dental technology purposes and goldsmith's work : de en
  • GB537838A - Multi-combustion rotary engine : en
  • GB537882A - Improvements in or relating to power belts : en
  • US2248763A - Receiver with control of selectivity through variation of the coupling : en
  • US2248068A - Stand for electric fans : en
  • AT160535B - Circuit for matching an asymmetrical high-frequency arrangement to a symmetrical one. : de en
  • CA397776A - Fish filleting machine : en fr
  • US2248208A - Fruit branding machine : en
  • US2248578A - Container : en
  • US2248748A - Magnetic compass : en
  • USD128136S - Design for an electric switch : en
  • AU243340A - Improvements inthe manufacture of glass hollowware : en
  • AU248540A - Improvements in and connected with glass melting tanks, furnaces andthe like : en
  • US2248489A - Pneumatic valve : en
  • US2248421A - Weed cutting implement : en
  • US2248132A - Frequency modulation : en
  • US2248842A - Motor fuel production : en
  • US2248105A - Plastic composition : en
  • US2248812A - Corn popping apparatus : en
  • SE102005C1 - : en
  • AU245440A - Improved collapsible box or crate orthe like : en
  • US2248447A - Spring device : en
  • US2248645A - Inking device of printing machines : en
  • US2248708A - Rim : en
  • US2248720A - Method of and apparatus for forming beaded tubular elements : en
  • AT160526B - Computing device for self-displaying fan scales. : de en
  • AU116484B2 - An improved clothes line : en
  • US2248041A - Toy material handling and display device : en
  • CA397769A - Sulphur nitride manufacture : en fr
  • US2248906A - Paper-making apparatus : en
  • US2248103A - Road vibrator : en
  • US2248159A - Compound for destroying water hyacinths, and method : en
  • USD128108S - Design for a support head for a vehicle jack : en
  • USD128117S - Design foe a textile fabric : en
  • US2248282A - Device for guiding the shuttles in circular weaving looms : en
  • US2248593A - Electric circuit breaker : en
  • US2248719A - Sealing means for the edges of swinging doors : en
  • DE707923C - Self-tightening clamping chuck with clamping rollers : de en
  • DE708022C - Pipe connection at towers : de en
  • US2248187A - Actuating mechanism for coke oven door locking screws : en
  • US2248800A - Directional antenna array : en
  • DE708110C - Device for heating solid fuels : de en
  • CA397739A - Autographic register : en fr
  • US2248307A - Combination bog shoe and duck boat : en
  • US2248834A - Sand trap and filter for oil wells : en
  • GB537793A - Process for the manufacture of a condensation product derived from trimethylhydroquinone : en
  • US2248667A - Method and machine for folding sanitary napkins : en
  • US2248119A - Method and apparatus for assembling and shipping rods : en
  • US2248268A - Friction speed-change gearing : en
  • US2248295A - Game : en
  • US2248430A - Glass working machine : en
  • GB537834A - Improvements in or relating to high tension insulators : en
  • US2248581A - Deflecting circuits : en
  • USD128155S - Design for a beverage dispenser : en
  • CA397852A - Accelerometer : en fr
  • CA397787A - Dynamo-electric machine : en fr
  • DE707981C - Device for the common change of all blade angles of two coaxial counter-rotating steep screws : de en
  • DE708098C - Device for circulation cooling for electrical machines or devices : de en
  • USD128149S - Design fob a license plate holder : en
  • US2248537A - Antiskid device : en
  • US2248445A - Automatic pistol : en
  • US2248177A - Apparatus for purifying water : en
  • US2248328A - Flexible mattress handle : en
  • AT160531B - Process for improving aqueous emulsions of natural or synthetic rubber and the articles and coatings made therefrom. : de en
  • CA397886A - Cellulosic particle drying apparatus : en fr
  • CA397858A - Towel dispensing mechanism : en fr
  • US2248275A - Printing plate : en
  • US2248601A - Control equipment for prime mover electric generating plants : en
  • AU569239A - Improved means forthe control and, operation ofthe transmission clutch and hold-down of guillotines, bar shears andthe like : en
  • AU113354B2 - Improvements inthe manufacture of glass hollowware : en
  • US2248329A - Ventilating attachment for vehicles : en
  • DE708027C - Device for determining the altitude of aircraft : de en
  • US2248184A - Apparatus for carbonating liquids : en
  • US2248444A - Variable ratio mechanical drive mechanism : en
  • USD128179S - Design for a bottle : en
  • US2248405A - Slinger ring : en
  • US2248277A - Int office : en
  • US2248426A - Fluid pressure producing device : en
  • USD128237S - Host dress : en
  • DE708041C - Molding and core sand additives : de en
  • CA397723A - Foldable sleigh : en fr
  • CA397818A - Measuring and delivering apparatus : en fr
  • US2248498A - Dewaxing hydrocarbon oil : en
  • USD128118S - Design for a guide tab : en
  • US2248665A - Sludge separator : en
  • USD128106S - Design for a textile fabric : en
  • US2248485A - Lubricating device for machine tools : en
  • USD128207S - Design fok a coat : en
  • CA397850A - Salt electrolysis in liquid ammonia : en fr
  • US2248553A - Modulation system : en
  • US2248387A - Circuit controlling mechanism : en
  • GB537812A - Improvements in and relating to process for the working of the front part of coats, in the case of patterned, particularly of striped clothing materials : en
  • CA397890A - Electric discharge device : en fr
  • DE708015C - Device for supplying power to an electrical welding system : de en
  • US2248249A - Injector : en
  • DE708001C - Line setting device for cash registers and accounting machines : de en
  • US2248215A - Radio direction and distance indicating system : en
  • US2248840A - Apparatus for and method of treating strand material : en
  • DE701928C - Protective cap made of pliable, waterproof fabric for the part of firearms between the butt neck and the visor : de en
  • US2248452A - Rotary pump : en
  • US2248695A - Screw head : en
  • US2248818A - Pinless display and clothesline : en
  • US2248240A - Variable ratio gear : en
  • US2248292A - Process for making cereal food : en
  • USD128129S - Design for a plaque : en
  • US2248154A - Electric switch : en
  • US2248674A - Electric switch mechanism : en
  • CA397884A - Ice shaver : en fr
  • DE707977C - Oxygen breathing apparatus with purely lung-controlled oxygen supply : de en
  • US2248397A - Railway traffic controlling apparatus : en
  • CA397841A - Motor vehicle transmission control mechanism : en fr
  • CA397867A - Shoe sewing machine : en fr
  • US2248860A - Fence wicket : en
  • US2248082A - Contact plug assembly : en
  • US2248112A - Acylation of organic compounds : en
  • US2248887A - Submarine cable picture transmission system : en
  • CA397844A - Hair cutting or clipping machine : en fr
  • US2248364A - Emergency brake : en
  • US2248334A - Internal combustion engine : en
  • DE707972C - Jumping camera : de en
  • US2248722A - Jetty setting : en
  • CA397794A - Heating apparatus : en fr
  • US2248263A - Edge grinding machine : en
  • DE708095C - Plate conveyor : de en
  • US2248207A - Fruit branding device or tool : en
  • US2248442A - Frequency generator : en
  • US2248584A - Multicontact relay : en
  • US2248705A - Pilot wire neutralization : en
  • CA397825A - Grinding wheel truing apparatus : en fr
  • GB537869A - Improvements in the production of cuprene : en
  • GB537872A - Improvements in dental chairs and the like : en
  • DE707994C - Cathode ray tube : de en
  • DE707962C - Machine for peeling off the fish meat from the Graetengeruest : de en
  • GB537842A - Improvements in or relating to automatically-reclosing electrical switch-gear : en
  • US2248536A - Card sorting device : en
  • USD128167S - Design fok, a bottle stoppee : en
  • USD128189S - Textile fabric or similar article : en
  • GB537854A - Improvements in fillings for heat regenerators : en
  • DE708035C - Reception method for ultrashort waves : de en
  • US2248903A - Removing coke from coke stills : en
  • US2248133A - Transmission : en
  • US2248913A - Upholstery springing : en
  • GB537783A - Improvements in or relating to shaft couplings and to knitting and other machines embodying the same : en
  • US2248278A - Method of forming conical shells : en
  • US2248521A - Radio receiving circuit : en
  • US2248883A - Decorative device : en
  • US2248596A - Game apparatus : en
  • DE708059C - Process for cleaning and saturation of the electrolyte in chlor-alkali electrolysis : de en
  • GB537895A - An improved instrument for indicating the attitude of flight of an aircraft : en
  • US2248406A - Apparatus for drying threadlike articles : en
  • US2248515A - Method of producing granular superphosphate of low fluorine content : en
  • US2248692A - Screw-thread chasing mechanism for lathes and like machine tools : en
  • US2248756A - Refrigerating apparatus : en
  • US2248325A - Speedometer : en
  • US2248815A - Television receiver : en
  • DE708115C - Process for the preparation of 3-epiacetoxyaetioallocholanic acid : de en
  • US2248626A - Electric valve circuit : en
  • GB537796A - Improvements in or relating to the manufacture of glassware : en
  • US2248291A - Method of cutting pretzel sticks : en
  • DE708137C - Light metal pistons for internal combustion engines : de en
  • AU312340A - Improvements in hosiery : en
  • DE707918C - Method for introducing log wagons or the like into conveyor frames : de en
  • USD128154S - Design fok an electkic kange : en
  • US2248787A - High frequency apparatus : en
  • CA397835A - Frequency oscillation amplifier : en fr
  • DE708010C - Embossing die for office machines : de en
  • CA397877A - Local anaesthetic : en fr
  • US2248205A - Sanitary device for cleansing the hands and arms : en
  • US2248102A - Dress form and method of making same : en
  • DE708073C - Circuit arrangement for neutralizing the parallel capacitance of an oscillating crystal connected lengthwise between two oscillating circuits : de en
  • US2248308A - Method and apparatus for valving inflammable fluids : en
  • US2248335A - Radio beam antenna and control means therefor : en
  • US2248504A - Means for indicating speed rations and potential rations : en
  • US2248218A - Governed windmill wheel : en
  • US2248345A - Loose-leaf binder : en
  • US2248382A - Grinding wheel and mounting therefor : en
  • US2248475A - Cylinder lock : en
  • US2248165A - Sustained power electric clock : en
  • US2248607A - Refrigerating system : en
  • US2248094A - Shutter mechanism and thermostatic control therefor : en
  • US2248270A - Fire extinguishing method : en
  • US2248331A - Visor : en
  • US2248483A - Method of and apparatus for reducing oxide ore : en
  • AT160532B - Circuit arrangement for demodulating amplitude-modulated oscillations. : de en
  • DE707951C - Locking device for a top suspended in indifferent equilibrium : de en
  • US2248380A - Roof truss : en
  • US2248721A - Jetty : en
  • US2248891A - Boiler and other heat exchangers : en
  • AU113364B2 - Improvements in or relating to electric switches for alternating current circuits : en
  • CA397765A - Vernier : en fr
  • US2248767A - Valve mechanism : en
  • USD128221S - Design fos an envelops : en
  • DE707883C - Luminaire for rooms at risk of explosion : de en
  • US2248219A - Gear stabilizer : en
  • USD128239S - Design for a dkess : en
  • AT160539B - Automatic firearm. : de en
  • GB537776A - Gas fires and like heat radiating appliances : en
  • GB537856A - Automatic gain control system for modulated carrier wave signalling systems : en
  • US2248343A - Carrier wave system : en
  • US2248563A - Circuit arrangement for current or potential distortion : en
  • US2248778A - Antenna network : en
  • GB537897A - Improvements relating to the mounting of heat radiating elements or filaments : en
  • DE708033C - Control valve : de en
  • US2248833A - Rear vision mirrob : en
  • US2248899A - Telephone system : en
  • US2248851A - Fluid pressure operated contactor : en
  • US2248238A - Connector : en
  • US2248896A - Incubator : en
  • DE707959C - Method and device for the production of patterned goods on knitting, warp knitting and similar machines : de en
  • US2248393A - Controlling means for hoisting mechanisms : en
  • CA397817A - Synthesis gas manufacture : en fr
  • US2248486A - Soldering iron temperature control stand : en
  • AU262240A - Improvements in or relating to piezoelectric crystal controlled oscillation generators : en
  • CA397746A - Wheel assembly : en fr
  • US2248809A - Reproducing machine : en
  • USD128200S - Design for a dress : en
  • AU201141A - Improvements in or relating to facsimile telegraph systems : en
  • US2248237A - Electric clock system : en
  • USD128193S - Design fok a bottle : en
  • CA397725A - Motor vehicle steering mechanism : en fr
  • DE707961C - Dismountable frame furniture, such as a table, chair, bench, stool or the like. : de en
  • DK58831C - Apparatus for cleaning surfaces. : da en
  • CA397823A - Air conditioner for automobiles : en fr
  • CA397822A - Waterproof abrasive block : en fr
  • CA397814A - Oil burning stove : en fr
  • DE707948C - Device for the execution of the process for the production of rayon in a continuous operation : de en
  • DE708140C - Foam collecting device on containers for flammable liquids : de en
  • US2248704A - Railway signal and/or points control system : en
  • GB537830A - Improvements in or relating to water separators for tubular steam generators : en
  • CA397747A - Wheel disc and wheel assembly : en fr
  • DE707873C - Automatic distribution and control device for pressure medium brakes for vehicles : de en
  • DE708104C - Extrusion press for the production of pipes : de en
  • CA397789A - Ice tray and grid : en fr
  • DE708038C - Stand or rotor excited synchronous large machine with high speed : de en
  • AU113357B2 - An improved hairpin or hair clasp : en
  • USD128152S - Arens battery case : en
  • DE707937C - Process for desizing textiles of all kinds using pancreatic amylase : de en
  • DE707947C - Pulverized coal burners : de en
  • DE707985C - Can with tilting lid : de en
  • USD128127S - Design for a dental profile recorder : en
  • DE708047C - Automatic clamping device for piston rings : de en
  • DE707969C - Method and device for blind linking for chain stitch sewing machines : de en
  • DE708005C - Paddle propeller : de en
  • GB537797A - Ultra wide-band low-loss band-pass filter constructed from piezo-electric crystal or crystals and stabilized negative impedance element or elements, for radio and television systems : en
  • CA397745A - Parting tool : en fr
  • US2248810A - Telephone booth : en
  • DE707915C - Arrangement for measuring the change in volume of organic tissue : de en
  • US2248803A - Oil retaining plate : en
  • US2248685A - Kitchen fork : en
  • CA397895A - Knitting machine : en fr
  • US2248044A - Transposition insulator : en
  • US2248874A - Lock strip for connecting sheet metal parts : en
  • US2248895A - Bag making machine and method : en
  • USD128232S - Design fok a dress : en
  • US2248912A - Concentration of ores : en
  • US2248863A - Card stripping apparatus : en
  • DE708102C - Electrode holder for electrical resistance seam welding machines : de en
  • DE1504937U - Device to prevent skirt flying in female cyclists : de en
  • AT160534B - Arrangement for connecting two symmetrical high-frequency arrangements to an asymmetrical cable. : de en
  • DE707993C - Process for the production of an electrical capacitor composed of several winding packages : de en
  • DE708062C - Normal sound source for testing electroacoustic devices : de en
  • US2248565A - Windshield wiper : en
  • US2248798A - Apparatus for controlling fluid flow : en
  • US2248192A - Abrading machine : en
  • AU113365B2 - Improvements in gas-tight seals whereby electric conductors pass into a vitreous envelope : en
  • CA397721A - Denture brush : en fr
  • US2248656A - Metal-washing composition : en
  • USD128105S - Design for a pastry brush : en
  • US2248411A - Clock and associated timekeeping mechanism : en
  • US2248603A - Combined chair and bed : en
  • US2248776A - Wave filter : en
  • US2248301A - Device for measuring pressure : en
  • US2248746A - Signal wave transmission system : en
  • US2248770A - Modulation meter : en
  • GB537808A - Improvements in or relating to a process for producing perforated films or sheets : en
  • US2248089A - Derivatives of polymerized alkylol : en
  • US2248441A - Boring head : en
  • GB537873A - Improvements in shuttering for concrete : en
  • US2248683A - Hair stretching indicator : en
  • US2248365A - Method of shelling nuts : en
  • US2248831A - Alkylated phenol : en
  • US2248120A - Seat back cushion mounting : en
  • US2248694A - Plug cutting implement : en
  • US2248040A - Telephone system : en
  • US2248353A - Cylindrical grinding and lapping machine : en
  • US2248235A - Airplane construction : en
  • CA397802A - Knitting machine selecting device : en fr
  • DE707966C - Process for applying a corrosion-proof metal coating to the inside of a steel pipe : de en
  • US2248354A - Pressure regulating valve : en
  • US2248476A - Amplifier circuit for frequency band expansion : en
  • US2248693A - Method for producing hollow bodies in centrifugal casting molds rotatable about the vertical axis : en
  • US2248638A - Sheet material with prismatic surfaces : en
  • CA397766A - Game device : en fr
  • US2248356A - Method of preparing aminated esters : en
  • US2248725A - Tobacco feed regulating device : en
  • DE1505187U - Poster with easily exchangeable middle section : de en
  • DE707878C - Magnetically stressed objects with high permeability : de en
  • DE708056C - Stretch forming press : de en
  • US2248454A - Trouser and leg protector : en
  • US2248678A - Tuning device for radio receivers or the like : en
  • US2248686A - Internal siphon for pressure gauges : en
  • US2248869A - Resilient mounting device : en
  • US2248229A - Frequency controlling system : en
  • US2248252A - Press machine : en
  • CA397758A - Reversible radiator : en fr
  • AT160540B - Method for measuring the current speed of an aircraft. : de en
  • US2248368A - Apparatus for cracking nuts : en
  • DE708067C - Device for automatic sharpening of a receiver : de en
  • GB537849A - Driving device for a speedometer : en
  • US2248864A - Safety goggles : en
  • US2248336A - Metallic roofing shingle : en
  • DE707924C - Lining for the outer shell of plate breakers : de en
  • DE708013C - Instrument for measuring the electrical field strength : de en
  • US2248424A - Toy gun : en
  • USD128130S - Design fok a casket display canopy : en
  • DE708063C - Circuit arrangement for test circuits of dialers in telecommunications, especially telephone systems : de en
  • US2248130A - Fly holder : en
  • US2248267A - Voltage limiter : en
  • US2248552A - Interlaced line scanning of films running asynchronously with the scanning means : en
  • US2248858A - Single-trigger device : en
  • AU113368B2 - Improvements in vibrators : en
  • US2248897A - Printing press and the like : en
  • US2248574A - Electric ignition system : en
  • USD128120S - Design for, a textile fabric : en
  • US2248495A - Regulator : en
  • US2248642A - Device for cutting cables and the like : en
  • US2248762A - Directional antennae : en
  • US2248682A - Container : en
  • US2248784A - Electrical signaling system : en
  • CA397838A - Automobile radio receiver control system : en fr
  • US2248362A - Electric switch : en
  • CA397889A - Battery paste retainer : en fr
  • GB537809A - Improvements in and relating to internal combustion engines : en
  • USD128121S - Leonard photographic enlarger : en
  • US2248095A - Electromagnetic signal actuator : en
  • US2248370A - Rectifier system : en
  • US2248733A - Detachable bit for coal augers and the like : en
  • US2248440A - Process and apparatus for making helical tension springs having particularly great preliminary tension : en
  • USD128196S - Design for a lady s handbag : en
  • CA397833A - Noise reduction system for radio receivers : en fr
  • DE708014C - Manufacture of coils for electrotechnical purposes : de en
  • US2248640A - Pulverizer : en
  • CA397748A - Wheel hub cap structure : en fr
  • CA397874A - Electron discharge apparatus : en fr
  • CA397896A - Monomeric compound polymerizing process : en fr
  • AT160541B - Device for automatic equalization and gain control. : de en
  • US2248407A - Cigar lighter : en
  • US2248443A - Warming shelf for ranges : en
  • US2248677A - Apparatus for coking petroleum : en
  • CA397738A - Tire anti-skid device : en fr
  • US2248342A - Process for breaking petroleum emulsions : en
  • CA397762A - Reciprocating mechanism : en fr
  • US2248162A - Collection of index cards for homeopathic repertorial research : en
  • DE708126C - Pulling and hanging device for window curtains, curtains or the like. : de en
  • CA397837A - Page and line synchronizing apparatus : en fr
  • USD128190S - Design fok a combined bow and side combs : en
  • US2248142A - Bearing : en
  • US2248646A - Photographic film tensioning mechanism : en
  • USD128197S - Va va va : en
  • USD128125S - Design fok a floodlight : en
  • US2248042A - Vibrating screen : en
  • CA397735A - Portable drill pressure feed : en fr
  • CA397827A - Mould charging mechanism : en fr
  • CA397860A - Fastening device : en fr
  • CA397796A - Dustless starch grit : en fr
  • DE708061C - Method for scanning television images for transmission and reception purposes : de en
  • DE708089C - Flute chromatic tone hole arrangement : de en
  • US2248610A - Method of manufacturing deodorizing attachments for vacuum cleaners : en
  • CA397743A - Collapsible box : en fr
  • US2248060A - Tire vulcanizing press : en
  • US2248302A - Oil well pump : en
  • US2248539A - Production of cellulose formates : en
  • US2248910A - Pressure retaining core barrel : en
  • USD128216S - Design fob, a female electeic plug : en
  • DE707983C - Adjustment gear for changing the blade pitch of two or more winged adjusting screws : de en
  • DE708111C - Device for removing the dust separated from gases or fumes by centrifugal action on the drum wall of inclined, rotating and intermittently operated drums : de en
  • US2248123A - Upholstery cord : en
  • US2248140A - Letter opener : en
  • US2248439A - Blind stitching and pique machine : en
  • US2248285A - Synchronous electric motor : en
  • US2248691A - Type bar mechanism for typewriters : en
  • US2248829A - 2,4,6-tri-tertiary-amyl phenol : en
  • CA397812A - Corrosion resistant bearing : en fr
  • US2248381A - Irrigation valve : en
  • US2248053A - Golf practice device : en
  • US2248228A - Clutch plate : en
  • US2248350A - Control system : en
  • USD128110S - Design for an electric clock : en
  • USD128185S - Design for a combined stand and electric fan : en
  • CA397866A - Splitting machine : en fr
  • CA397811A - Ensilage cutter : en fr
  • US2248118A - Process of cracking mineral oil : en
  • USD128220S - Design for a spray head : en
  • CA397801A - Corrosion resistant steel : en fr
  • AT160529B - Process for the manufacture of dry preparations for cosmetic purposes. : de en
  • CA397885A - Air heating system : en fr
  • DE707960C - Method and device for the production of tubes made of glass or similar masses that are melted or plasticized in the heat : de en
  • DE707980C - Windows for gas masks : de en
  • US2248541A - Melting and casting of metals : en
  • US2248544A - Air supply means for diesel engines : en
  • US2248399A - Electric lamp socket : en
  • CA397824A - Floating candle : en fr
  • US2248506A - Knitting machine : en
  • US2248338A - Combination reel, chain, and key : en
  • US2248734A - Manufacture of hydrocarbon products by hydrogenation of oxides of carbon : en
  • US2248609A - Protective device : en
  • AU248140A - Improvements in reflectors for radio relay stations : en
  • DE708009C - Process for the production of copper hydroxide : de en
  • CA397736A - Boot and shoe scraper : en fr
  • USD128187S - Design fok a portable cooking stove : en
  • US2248137A - Electrolysis of alkali metal brines : en
  • CA397731A - Airplane de-icing apparatus : en fr
  • CA397842A - Change speed transmission control mechanism : en fr
  • US2248057A - Electrical cutting device : en
  • CA397799A - Alkali metal production : en fr
  • DE707975C - High altitude breathing apparatus : de en
  • USD128159S - Design for a hat box : en
  • US2248309A - Film spool hub : en
  • US2248724A - Wrapping of cigarettes or other articles : en
  • AU113367B2 - Improvements in reflectors for radio relay stations : en
  • GB537858A - Improvements in or relating to calculating machines : en
  • US2248185A - Heat treatment of aluminum base alloys : en
  • DE707976C - Method for closing overpressure or underpressure doses used in particular to control high-altitude breathing apparatus : de en
  • DE708130C - Throttle device for the flue gas duct of kitchen stoves : de en
  • US2248794A - Ladder utility vehicle : en
  • US2248250A - Single side-band modulation : en
  • DE707887C - Solutions containing chlorinated rubber : de en
  • US2248093A - Spring seat structure for automobiles : en
  • US2248592A - Pressure regulator : en
  • US2248327A - Apparatus for shelling nuts : en
  • US2248904A - Process of copying lenticular films : en
  • USD128165S - Design for a refreshment booth : en
  • USD128188S - Design for a cosmetic case : en
  • DE665663C - Straightening machine for guns with fine and fast drive : de en
  • US2248614A - Vacuum measuring device : en
  • US2248651A - Frozen confection making apparatus : en
  • CA397875A - Vacuum tube circuit : en fr
  • USD128215S - Design for a dress : en
  • US2248160A - Well apparatus : en
  • US2248315A - Stop motion for knitting machines : en
  • US2248872A - Lock for loom shuttles : en
  • CA397773A - Welding apparatus : en fr
  • US2248417A - Method of making bungs : en
  • US2248898A - Method of making rubber articles : en
  • DE708046C - In the axle box of vehicles built-in counter for counting the axis revolutions : de en
  • US2248436A - Key container : en
  • USD128153S - Design for a daiky bottle : en
  • US2248401A - Branched-chain alkyl-phenylphenols : en
  • US2248493A - Hinge : en
  • US2248518A - Manufacture of ethers of phenylmethylcarbinol and its homologues : en
  • GB537799A - Sound recording and reproducing device for instruction purposes : en
  • GB537901A - Improvements relating to electric discharge lamps : en
  • US2248549A - Television transmitter : en
  • DE707989C - Process for image point recording in television receivers using a continuous gas discharge : de en
  • US2248868A - Method and apparatus for preparing metal castings : en
  • US2248287A - Cowtail holder : en
  • DE708070C - Procedure to prevent interference with the overlay remote control in long lines : de en
  • US2248494A - Nonflammable heat transfer agent : en
  • USD128235S - Design for a dress : en
  • CA397851A - Nitrogen peroxide absorption process : en fr
  • DE708132C - Drive device for rotary furnaces : de en
  • US2248804A - Circuit arrangement and thermionic valve for amplifying electrical oscillations : en
  • US2248823A - Method for extracting drotvg oils : en
  • DE707992C - Protection circuit : de en
  • US2248223A - Bicycle : en
  • US2248266A - Package : en
  • US2248310A - Combination lock : en
  • USD128194S - Design foe a statuette : en
  • GB537900A - Improvements in or relating to amplifying circuits comprising a secondary-emission discharge tube : en
  • US2248111A - Belt splicing device : en
  • CA397855A - Geophysical prospecting method : en fr
  • DE707954C - Procedure for selecting cards and voting cards : de en
  • DE707870C - Device for motor vehicles, which allows both the separate and the joint actuation of the clutch foot lever and the brake foot lever arranged adjacent to it : de en
  • GB537791A - Improvements in and relating to runners for curtains and the like : en
  • CA397771A - Fish-hook : en fr
  • US2248450A - Valve stem cap : en
  • DE708007C - Coolant : de en
  • DE708016C - Process for the preparation of monoazo dyes : de en
  • DK58824C - Procedure for the manufacture of permanent magnets and their alloys. : da en
  • USD128126S - Design for a floodlight : en
  • DE708011C - Multiple carrier-frequency message transmission system : de en
  • US2248666A - Thermostatic switch : en
  • GB537811A - Improvements in power transmissions : en
  • US2248054A - Screw driver : en
  • DK58825C - Coupling for Remote Control of a Telegraph Machine's Motor. : da en
  • SE101977C1 - Ways to treat hydrocarbon oils : en sv
  • US2248058A - Indenting machine : en
  • US2248230A - Aspirator assembly : en
  • USD128168S - Design foe a necklace : en
  • US2248845A - Rail bond : en
  • USD128156S - Design for an inside footpad sock : en
  • DE707894C - Process for the production of wood pulp, in particular from wood rich in resin : de en
  • US2248599A - Radio distance meter : en
  • US2248467A - Refrigerated display fixture for food or the like : en
  • USD128223S - Cutler dress : en
  • GB537788A - Improvements in feed water regulators for boilers and evaporators : en