• DE719035C - Optical system for devices in which a catcher for an ultrared radiation is used : de en
  • US2277263A - Stabilizing mechanism for railway trucks and the like : en
  • GB544075A - Anti blast window protector : en
  • US2277641A - Fluid motor for lubricant pumps : en
  • US2277332A - Collapsible costumer : en
  • US2277289A - Rotatable packaging machine and method : en
  • DE719001C - Production of alkali phosphates from calcium-containing rock phosphates : de en
  • CA403669A - Typewriter : en fr
  • CA403710A - Railway control apparatus : en fr
  • US2277654A - Metallic bonding process : en
  • US2277527A - Process of producing fast dyeings on vulcanized fiber and the dyed fiber obtained thereby : en
  • US2277397A - Hose and hose connector construction : en
  • US2277141A - Composite color photography : en
  • USD131747S - Design fob an earring : en
  • FR870726A - Reaction tandem brush holder : en fr
  • FR870897A - Process for preparing water soluble dyes : en fr
  • AU114885B2 - Improvements in cathode ray tubes' and circuits therefor : en
  • US2277290A - Toolholder : en
  • US2277073A - Method and apparatus for treating granular materials : en
  • US2277155A - Stacking device for storage files : en
  • US2277565A - Electric guide control system for elevator cars : en
  • CA403616A - Chemical product : en fr
  • US2277343A - Wire bending, clinching, and cutting tool : en
  • DE718806C - Amplifier arrangement for transmission systems with a wide transmission range, in particular multiple carrier frequency transmission systems : de en
  • CA403576A - Dye vat cap : en fr
  • CA403718A - Vat dyestuff : en fr
  • GB544035A - Improvements in or relating to half-tone screens for photomechanical printing processes : en
  • FR870827A - Life-saving device against noxious gases : en fr
  • CA403588A - Furniture glide : en fr
  • CA403569A - Rail fastener : en fr
  • CA403592A - Piezo electric crystal apparatus : en fr
  • DE719067C - Loop antenna for portable radios : de en
  • CA403719A - Vat dyestuff : en fr
  • CA403571A - Detector cable : en fr
  • CA403655A - Electric power cable : en fr
  • US2277265A - Leaf assembly and method of making the same : en
  • US2277377A - Absorbing agent : en
  • US2277640A - Power transmission : en
  • US2277548A - Knee joint for artificial legs : en
  • DE718895C - Circuit arrangement for telephone systems with dialer operation : de en
  • FR870823A - Method and device for forming cast objects : en fr
  • US2277103A - Bill folder : en
  • USD131769S - Design for a beooch or similar article : en
  • US2277107A - Clutch facing : en
  • US2277336A - Fluid pressure producing device : en
  • US2277420A - Automatic ratio poultry and stock feeder : en
  • US2277561A - Trigger mechanism for firearms : en
  • US2277616A - Structural beam : en
  • US2277322A - Track support for crawler tractors : en
  • US2277353A - Train order delivery means : en
  • US2277317A - Tobacco harvesting device : en
  • DE718676C - Connection of a typewriter, typewriter or the like with a card punching machine : de en
  • DE718899C - Bridge for the tensile connection of sheathed tubular wires for aerial cables : de en
  • FR870812A - Rolling process for wide-flats made of steel with a weld core start : en fr
  • FR870868A - Packaging for liquids and pastes and process for the manufacture thereof : en fr
  • GB544101A - Improvements relating to dynamo regulators : en
  • USD131703S - Design for a dress : en
  • AU114889B2 - Improved process of treating wool to prevent shrinking, felting or hardening : en
  • DE718958C - Circuit for amplifying modulated high-frequency oscillations : de en
  • US2277419A - Lubricating boot for universal joints and the like : en
  • US2277454A - Fluid operated control apparatus for clutches : en
  • CA403594A - Phonograph recorder : en fr
  • US2277121A - Electric discharge device : en
  • GB544108A - Improvements in or relating to ventilators for use under light screening conditions : en
  • FR870880A - Improvements in the manufacture of shoes, boots and similar articles as well as in the elements used for this manufacture : en fr
  • US2277124A - Brake cylinder device : en
  • US2277347A - Riser structure for stapling machines : en
  • USD131725S - Bowes vulcanizer : en
  • US2277507A - Hollow tile : en
  • DE719055C - Device for deforming thin-walled workpieces : de en
  • GB544053A - Improvements in automatic double acting slack adjusters for brakes : en
  • GB544070A - Improvements in or relating to portable buildings : en
  • USD131693S - Combined water closet bowl and foot rest : en
  • US2277558A - Torsional vibration dampener : en
  • FR870844A - Drive mode for straw balers, especially individually operated ones : en fr
  • GB544092A - Improvements in automatically reclosing circuit breaker systems : en
  • FR870706A - Process for manufacturing artificial threads using albuminous solutions : en fr
  • FR870743A - Construction method of central heating boilers : en fr
  • GB544011A - Improvements in or relating to electric soldering irons : en
  • DE718841C - Method for producing plaque patterns : de en
  • DE719015C - Device for damping vibrations in electrical overhead lines : de en
  • DE718894C - Device for automatic level control in a long-distance telephone system, in particular a carrier current system : de en
  • FR870704A - Process to make aluminum-zinc-magnesium alloys more corrosion resistant by plating : en fr
  • FR870711A - Improvements to railway cars : en fr
  • DE718996C - Multipart extendable fire ladder : de en
  • GB544091A - Feeding mechanism for sewing machines : en
  • DE718912C - Closing cap for soil container : de en
  • DE718840C - Centrifugal distillation, especially for rectifying alcohol : de en
  • US2277235A - Tie handling apparatus : en
  • GB544100A - Color photography : en
  • FR870883A - Automatic fabric piece alignment device : en fr
  • FR870890A - Pump, compressor or motor operating with liquid or gaseous fluid : en fr
  • DE718891C - Lid shifting device for deep furnaces u. Like. With mobile lids : de en
  • US2277601A - Tool : en
  • US2277585A - Coaster brake : en
  • US2277048A - Thixotropic composition of matter : en
  • US2277110A - Method of determining where pipe is stuck in a well : en
  • US2277134A - Brake : en
  • USD131731S - Design for a brooch or similar article : en
  • CA403685A - Heat transfer unit : en fr
  • DE718836C - Weight or spring drive with two escapement controls driven at the same time : de en
  • CA403603A - Horticultural spray composition : en fr
  • DK59592C - Garden and field irrigation apparatus. : da en
  • USD131766S - Design for a brooch or similar article : en
  • DE719093C - Gate valve with rectified sealing surfaces : de en
  • GB544032A - Improvements in and relating to pasteurization apparatus for liquids in bottles, tins and similar containers : en
  • DE718885C - Device for ironing and pressing for accessories with rounded corners of men's and women's clothing : de en
  • US2277388A - Quick detachable flush valve seat : en
  • US2277631A - Assembly jig for plate welding and other operations : en
  • US2277535A - Spring driven type-printing telegraph apparatus : en
  • GB544057A - Improvements in the production of artificial resins : en
  • US2277280A - Hand telephone mounting : en
  • FR870789A - Junction device, with helical clamping, for electrical conductors in soft metal : en fr
  • DE718944C - Joint plate for sealing expansion joints in engineering structures : de en
  • DE718921C - Methods of making tanning images, e.g. for collotype printing, gelatine paper transfer by dusting writings using tanning powder and squeezing onto moist gelatine layers : de en
  • US2277612A - Parking meter system : en
  • US2277348A - Lamp receptacle : en
  • GB544084A - Improvements in photoelectric register control systems : en
  • FR870845A - Sausage filling machines : en fr
  • US2277633A - Electric lamp and mounting : en
  • US2277300A - Ring traveler : en
  • DE719057C - Washing device : de en
  • US2277380A - Apparatus for producing wells : en
  • US2277537A - Packing material : en
  • FR870759A - Magnetic amplifier : en fr
  • US2277592A - Method and apparatus for heating metal objects : en
  • GB543975A - Improvements in or relating to control systems for hydro-controllable propellers : en
  • GB544122A - Improvements in or relating to electric fuses : en
  • DE718795C - Process for the production of acid-resistant cement : de en
  • DE718997C - Carriage with pivotable, parallelogram-like articulated linkage for machine weapons built into aircraft : de en
  • GB543990A - Improvements in or relating to airscrews : en
  • CA403701A - Pumping device : en fr
  • CA403609A - Liquid nitrogen tetroxide : en fr
  • DK59584C - Handheld microphone with dial. : da en
  • FR870775A - Fusion bonding process and devices, more especially for high pressure discharge vessels : en fr
  • FR870760A - Connection terminal for electric line wires, especially for thin aluminum wires : en fr
  • GB543972A - Improvements in paper manufacture : en
  • US2277129A - Machine for making paper containers : en
  • US2277257A - Overfill-preventing device for storage batteries : en
  • US2277236A - Surfacing machine : en
  • US2277216A - Electrical outlet : en
  • US2277536A - Internal combustion engine : en
  • US2277490A - Valve structure : en
  • GB544064A - Improvements in photographic elements and methods of producing the same : en
  • US2277164A - Method of crinkling staple fibers : en
  • US2277563A - Vehicle headlamp : en
  • DE718849C - Device for carburizing the heating gas for furnaces : de en
  • DK59591C - Hanging flowerpot. : da en
  • US2277351A - Process for stabilizing rosin and pine oleoresin : en
  • DE718979C - Electric shot counter for machine guns : de en
  • US2277100A - High pressure steam generator : en
  • US2277220A - Ore treatment : en
  • US2277463A - Rendering drum : en
  • US2277540A - Brush holder : en
  • US2277637A - Grommet : en
  • SE104086C1 - Connection between two tubular frame parts for agricultural machinery and agricultural implements, in particular potato and beet harvesting machinery. : en sv
  • US2277500A - Casing or drill pipe spinning rope : en
  • US2277480A - Urea-formaldehyde-chlorinated acetaldehyde condensation products : en
  • US2277576A - Combined clamp and drill jack : en
  • US2277406A - Bassinet and foot well : en
  • FR870894A - Device for covering without handling objects, stones, fruits, pills, pharmaceutical tablets, etc., with a layer of material : en fr
  • US2277594A - Bleacher assembly : en
  • US2277526A - Vat : en
  • USD131777S - Design for a bracelet : en
  • DE718822C - Use of alloys containing titanium : de en
  • US2277128A - Machine for making paper containers : en
  • DE718970C - Eddy current valve for the working cylinder for internal combustion engines : de en
  • FR870749A - Test track sound reproduction method and apparatus : en fr
  • FR870753A - Improvements to motor cars and their manufacture : en fr
  • US2277029A - Cannon clamp : en
  • US2277488A - Automobile wheel cover : en
  • US2277195A - Window wiper : en
  • FR870756A - Improvements to joints on tubular pipelines : en fr
  • US2277430A - Multiorifice anode : en
  • US2277521A - Timing device : en
  • DE718936C - Device for displaying physical reflective objects moving in the radiation field of a short-wave transmitter : de en
  • DE719090C - Rotary piston internal combustion engine : de en
  • US2277468A - Lamp-holder assembly : en
  • US2277632A - Adjustable motion transmission : en
  • DE719044C - Process for the production of a material protecting against ª ‰ -ª ‰ -Dichlordiaethylsulfid for clothing, tents and the like. like : de en
  • FR870834A - Method and device for regulating control by means of low electrical powers, and more especially for resetting indicators to zero : en fr
  • DK59590C - Spring lock for insulating handle. : da en
  • US2277125A - Preparation of polyamides : en
  • FR870837A - Device for indicating or counting current pulses passing through a conductor : en fr
  • US2277514A - Mechanism for feeding strip stock : en
  • FR870794A - Device for maintaining good visibility in motor vehicles, in particular in airplanes : en fr
  • FR870769A - Chassis for motor cars divided into several longitudinal sections : en fr
  • DE719029C - Preparations for decolorizing or lightening living hair : de en
  • DE719063C - Device for stroke transmission between signal levers, signal cranks or the like and block locks, electrical lever locks or similar locking devices : de en
  • US2277197A - Dirigible dual wheel vehicle : en
  • US2277218A - Semiautomatic wire stitcher : en
  • US2277578A - System of motor control : en
  • FR870765A - Pipelines made up of heterogeneous elements with special accessories adapted to their methods of manufacture and use : en fr
  • FR870735A - Card holder for power card and receipt sheets : en fr
  • US2277143A - Microphone holder : en
  • US2277333A - Pump and motor assembly : en
  • DE719080C - Tablet press for the production of hollow tablets, in particular ring tablets, from synthetic resin molding compounds containing fibers and chips : de en
  • GB543987A - Improvements in or relating to steam generating and superheating installations : en
  • CA403641A - Carton accumulator : en fr
  • US2277491A - Valve structure : en
  • AU114866B2 - Improvements in trailer vehicles : en
  • US2277059A - Blasting cartridge : en
  • US2277482A - Photoflash lamp : en
  • US2277559A - Fulcrum for grinding machines : en
  • US2277590A - Method of making mica rings : en
  • FR870779A - Electric heating resistance : en fr
  • US2277617A - Railway vehicle : en
  • GB544038A - Improvements in lighting devices comprising an incandescent lamp mounted in a screw-fitting : en
  • DE719016C - Switch arrangement, consisting of a circuit breaker and a disconnector in series : de en
  • FR870763A - Process for eliminating noise produced by film loops in cameras and reproducers, in particular for recording and reproducing sound films : en fr
  • GB544090A - Improvements in and relating to strand feed-controlling mechanism for machines dealing with textiles : en
  • US2277528A - Windshield ice scraper : en
  • US2277650A - Process of producing n-butylene : en
  • GB543994A - Improvements in means for securing glass or similar lights : en
  • CA403700A - Yarn winding machinery : en fr
  • FR870825A - fuel saver : en fr
  • FR870818A - Oil sprayer : en fr
  • DE718930C - Cable car with a branch that is arranged transversely to the main route and can be moved along it : de en
  • DE718982C - Blade ring attachment for radially loaded turbines : de en
  • DE719020C - Electric discharge vessel with gas filling and at least two control electrodes : de en
  • US2277295A - Vacuum breaker : en
  • GB544018A - Bobbin-cleaning apparatus for use on automatic weft-replenishing bobbin-changing looms : en
  • DE719098C - Device for making visible an instrument display on aircraft that is outside the field of vision of the observer and requires occasional observation : de en
  • DE719017C - Switchgear simulation with built-in control switches for double busbar systems : de en
  • US2277258A - Window attachment : en
  • US2277379A - Latch-on cover for boxes : en
  • US2277057A - Magnetic device : en
  • US2277131A - Automatic control apparatus : en
  • US2277636A - Secondary or storage battery : en
  • DE718871C - Process for producing a welded round seam for sheet metal containers, especially food cans : de en
  • US2277325A - Sulphonyl halides : en
  • AU114875B2 - Improvements in or relating to filters : en
  • DE718953C - Monitoring device for steam trap : de en
  • FR870795A - Method for producing color photographic images : en fr
  • FR870747A - Trim stone for heat accumulators : en fr
  • FR870842A - Method and device for adjusting gasifiers which can be used in particular for supplying motor vehicles : en fr
  • GB544061A - Improvements in or relating to seals for floating roofs for tanks : en
  • FR870778A - Drum crusher for grinding wet and dry materials, and method of grinding by means of this crusher : en fr
  • DK59581C - Procedure for Separation of Pituitary Hormones. : da en
  • DE719101C - Detachable connection of building game parts : de en
  • DE718867C - Pistons for internal combustion engines : de en
  • DE719085C - Machine for marking payment cards through point-like carbonization of the card material : de en
  • DE718971C - Safety device for internal combustion engines : de en
  • GB543986A - Improvement relating to calendars : en
  • USD131730S - Design for a dress : en
  • US2277361A - Method and apparatus for directsteam treatment of extracted solid materials : en
  • GB543978A - Improvements in filtering apparatus : en
  • CA403617A - Chemical product : en fr
  • US2277356A - Valve seat and method of making same : en
  • USD131677S - Design foe a textile fabric : en
  • AU377140A - Improved process of treating wool to prevent shrinking, felting or hardening : en
  • GB544068A - Improvements in or relating to lamps for vehicles : en
  • GB544014A - Improvements in or relating to braking mechanism for power driven machines : en
  • GB544102A - Improvements in method of and apparatus for preparing stiffened fabrics : en
  • USD131687S - Design for a shoe or similar article : en
  • GB543988A - Improvements relating to folded maps, plans and charts : en
  • DE718875C - Closure, in particular for fuel containers in motor vehicles : de en
  • US2277199A - Hardness testing machine : en
  • USD131672S - Display stand or similar article : en
  • AU168541A - Improvements in or relating to glass compositions : en
  • DE719052C - Process for shaping lean ceramic bodies : de en
  • US2277140A - Door holder : en
  • AU430142A - Modulation : en
  • US2277259A - Plastic polyvinyl alcohol compositions : en
  • US2277457A - Electric control for warning signals : en
  • US2277077A - Piano action : en
  • US2277310A - Bottle beverage mixing machine : en
  • US2277614A - Change speed gear : en
  • US2277518A - Door structure for mixers : en
  • US2277530A - Spraying device : en
  • USD131727S - Greenberg dress ensemble : en
  • GB544055A - Improvements relating to multi-cylinder internal-combustion engines for aircraft : en
  • FR870710A - Exhaust gas turbine for controlling a charge compressor in combination with an aircraft engine for altitude flight : en fr
  • GB544034A - Improvements in or relating to photomechanical printing processes employing half-tone screens : en
  • US2277362A - Method of treating shaped carbon articles : en
  • USD131767S - Design for a pin clip : en
  • USD131712S - Design foe a spool stand : en
  • GB544024A - Trimmer mechanism for sewing machines : en
  • DE719046C - Full tracked motor vehicle for military purposes, in particular tank : de en
  • AU215541A - An improved internal combustion engine : en
  • FR870740A - Weighing indicating device for automatic scales or scales : en fr
  • US2277036A - Antiskid device : en
  • CA403703A - Electric heater : en fr
  • DE718765C - Process for the production of substances with a tanning effect : de en
  • DE718883C - Box for the individual issue of elongated or cylindrical objects etc. : de en
  • DK59587C - Apparatus for feeding an AC power supply from a DC power source. : da en
  • CA403597A - Insulated siding material : en fr
  • DE1515618U - : de en
  • DE718918C - Process for the pretreatment of material to be separated electrostatically : de en
  • US2277520A - Method of making coated abrasives : en
  • DE718938C - Self-seller for electricity or the like. : de en
  • US2277206A - Key sender : en
  • CA403646A - Viscosimeter : en fr
  • USD131682S - Design for a garment hanger : en
  • US2277222A - Gap link : en
  • DE719061C - Insertion device for typewriters, typewriters, calculators and similar machines : de en
  • CA403585A - Candy product : en fr
  • CA403714A - Preserving material : en fr
  • US2277646A - Oil separator : en
  • CA403709A - Oil filled high tension cable : en fr
  • US2277421A - Photometer : en
  • DE718911C - Electrically heated bandages or pillows for treating the human body : de en
  • GB543979A - Improvements in or relating to the packaging and preservation of dried materials : en
  • CA403680A - Film treatment : en fr
  • US2277095A - Electric rotary hand tool : en
  • US2277256A - Hydraulic apparatus : en
  • US2277330A - Plate changer : en
  • FR870888A - Liquid or gaseous fluid pump, compressor or motor : en fr
  • CA403606A - Ammonium chlorosulphonate production : en fr
  • GB544012A - Improvements in pumps, compressors or motors for liquid or gaseous working fluid : en
  • DE718920C - Process for the production of multi-walled paper bags provided with a reinforced filling hole : de en
  • DE718858C - Collapsible child seat : de en
  • DE718994C - Insulating shell with longitudinal slits for high pressure steam lines : de en
  • US2277187A - Corona discharge protective device : en
  • US2277372A - Apparatus for heat-treating tandem bearings : en
  • DE718868C - Control device for the fuel supply in internal combustion engines with external mixture formation : de en
  • FR870702A - Method for driving rotary tube furnaces : en fr
  • GB543977A - Improvements in or relating to cathode ray apparatus : en
  • US2277080A - Hedge trimmer : en
  • US2277264A - Electric motor : en
  • DE718998C - Device for automatic feeding of the individual metal links used to manufacture cartridge belts to a machine connecting the links to the belt : de en
  • DE718945C - Device for cutting darts and any other incisions : de en
  • DE718992C - Device for cutting car tires : de en
  • USD131783S - Brooch or similar article : en
  • DE719071C - Power supply to the rotating electrode of arc lamps : de en
  • DE718980C - Writing device for timers, especially for registering sea depth using the echo sounder method : de en
  • US2277478A - Railway traffic controlling apparatus : en
  • US2277634A - Square root scale : en
  • GB543968A - An improved catalytic treatment of hydrocarbon oils and the manufacture of motor fuels by such treatment : en
  • GB543997A - Improvements in or relating to electric switches for selectively operating luminous signs : en
  • USD131706S - Twin cylinder v-type engine : en
  • USD131735S - Design for a pin clip : en
  • DE719079C - Dismountable seating and reclining furniture : de en
  • USD131762S - Brooch or similar article : en
  • US2277120A - Mixing, dispersing, and emulsifying machine : en
  • US2277301A - Naval battle game : en
  • US2277159A - Car truck : en
  • US2277328A - Electric razor : en
  • US2277084A - Burnishing tool for gear blanks : en
  • DE719007C - Bogie arrangement for rail vehicles : de en
  • DE719075C - Device for subjectively determining the position of the main sections of an astigmatic eye : de en
  • US2277174A - Process for producing water-repellent textile materials and product therefrom : en
  • GB544114A - Improvements in and relating to the production of metal articles by extrusion : en
  • US2277494A - Holder for articles of printed : en
  • USD131701S - Design for a dress : en
  • CA403715A - Chromable dyestuff : en fr
  • US2277327A - Egg box and the like : en
  • USD131708S - Design fob a dress : en
  • US2277233A - Camera : en
  • DE718844C - Process for the production of tubular wires : de en
  • FR870792A - Spacers for fins of steam or gas turbines where the motive force is at high temperature : en fr
  • GB544063A - An improved process for the catalytic treatment of hydrocarbons : en
  • DE719019C - Laminated core for stands of AC machines : de en
  • GB544078A - Improvements relating to trolleys or the like, particularly for transporting bombs to aircraft : en
  • FR870727A - Special steel with high resilience at low temperatures : en fr
  • FR870814A - Method and device for determining the values of the tensions in matter : en fr
  • US2277401A - Solvent recovery : en
  • FR870786A - Process for preparing camphoric acids and products obtained by this process : en fr
  • FR870766A - Eccentric pedal : en fr
  • US2277079A - Staple fiber cutter : en
  • GB543981A - Clutch and change speed transmission operating mechanism : en
  • FR870877A - Improvements to compressed gas tanks for motor vehicles : en fr
  • US2277090A - Face protector : en
  • US2277108A - Method of attaching opener keys to end closures of tear strip cans : en
  • US2277359A - Process of performing organic chemical reactions with alkali metal compounds : en
  • US2277442A - Cast shears : en
  • DE718866C - Machine part in internal combustion engines covered with a graphite-containing sliding layer : de en
  • DE718967C - Process for the briquetting of inorganic substances, in particular ores, Huettenprodukte u. like : de en
  • DE719095C - Arrangement for metallizing solid bodies : de en
  • GB544001A - Improvements in valve for multi-chambered tubes : en
  • GB544052A - Improvements in condensation products of the phenol-aldehyde type : en
  • FR870777A - Process for increasing the corrosion resistance of parts made of magnesium and magnesium alloy : en fr
  • GB544019A - Improvements in and connected with electrical switch sockets : en
  • USD131685S - Design fob a clockface or similar article : en
  • US2277503A - Automatic lock slider for slide fasteners : en
  • USD131779S - Design foe a necklace : en
  • CA403583A - Toy : en fr
  • CA403600A - Glass flare feeding apparatus : en fr
  • GB544083A - Improvements in optical gun-sights : en
  • US2277533A - Fusible blowout plug : en
  • US2277543A - Process of molding : en
  • US2277117A - Method of treating cutting tools : en
  • US2277266A - Machine for treating leaves for binding : en
  • US2277603A - Clutch plate : en
  • CA403622A - Vulcanization of rubber : en fr
  • DE718932C - Process for distilling off hydrogen chloride from wood sugar solutions containing hydrochloric acid : de en
  • GB544054A - Improvements in and relating to gravity feed forced-draught solid fuel burners for furnaces and the like : en
  • US2277170A - Valve mechanism : en
  • US2277465A - Hydraulic device : en
  • USD131741S - Design for a necklace : en
  • DK59583C - Method for reinforcing bituminous road surfaces on carpet coverings consisting of emulsion concrete and powder asphalt. : da en
  • FR870725A - Wheel suspension : en fr
  • DE718906C - Street lighting : de en
  • DE718978C - Friction wheel drive for motorcycles : de en
  • DE718902C - Device for igniting and adjusting the coals of an arc lamp, in particular for irradiation purposes : de en
  • DE719012C - Circuit arrangement for telephone extension systems with dialer operation : de en
  • DE719062C - Paper guiding device for writing, writing arithmetic, adding or similar machines, especially for machines with a plug-in device : de en
  • US2277069A - Vacuum cleaner : en
  • DE718984C - Branch clamp equipped with aluminum clamping jaws for electrical aluminum cables : de en
  • FR870886A - Method of manufacturing compression molds to make a network on an optic : en fr
  • DE718977C - Reflector arranged pendulum on the axis of a bicycle pedal : de en
  • FR870750A - Manufacturing process for hollow bodies by windings : en fr
  • US2277156A - Feeding means for recording machines : en
  • DE719050C - Ski binding : de en
  • USD131697S - Dress ensemble : en
  • US2277056A - Box : en
  • DE719088C - Device for adjusting the knife stroke change on mounted vehicles : de en
  • US2277118A - Eyeglass frame : en
  • USD131728S - Design fob a dress : en
  • US2277203A - Method of constructing concrete flooring and like surfaces : en
  • US2277597A - Machine for printing on cylindrical glassware : en
  • CA403589A - Guide vane leakage control : en fr
  • CA403674A - Air conditioning system : en fr
  • US2277106A - Brake mechanism : en
  • US2277450A - Potato harvester : en
  • AU114887B2 - Improvements in padlocks : en
  • CA403635A - Transparent film composition : en fr
  • US2277626A - Light deflector : en
  • AU224241A - Improvements in or relating to foot and like game-balls : en
  • US2277647A - Refrigeration : en
  • CA403642A - Fine grain photographic developer : en fr
  • US2277345A - Refrigeration control system : en
  • US2277408A - Wrapping, parceling, or boxing machine : en
  • CA403634A - Lubricating oil : en fr
  • CA403601A - Conveyer control apparatus : en fr
  • GB544043A - Improvements in or relating to methods of and apparatus for treating hydrogel : en
  • US2277224A - Spinning spool for winding up fresh spun artificial silk : en
  • US2277292A - Fluid pressure device : en
  • CA403630A - Rubber reclaiming process : en fr
  • CA403688A - Light valve ribbon mount : en fr
  • CA403695A - Loose leaf binder : en fr
  • FR870771A - Improvements to color-producing developers and color development processes : en fr
  • FR870893A - Electric line or cable : en fr
  • US2277169A - Press process of making reproduction impresses and product thereof : en
  • US2277276A - Thermostat : en
  • FR870768A - Interchangeable shoe crampon : en fr
  • DE718973C - Device for pressing rings on : de en
  • DE719053C - Forming device for dough pieces : de en
  • DE719076C - Device for determining muscle tone : de en
  • GB543991A - Improvements in or relating to variable-pitch airscrews : en
  • CA403721A - Water insoluble azo-dyestuff : en fr
  • GB543992A - Improvements in wound packages of yarn and in methods and mechanism for producing the same : en
  • US2277039A - Conveyer : en
  • US2277550A - Circular saw : en
  • US2277160A - Pump construction : en
  • US2277302A - Portable hand truck : en
  • US2277360A - Hand press attachment : en
  • DE718857C - Device for sealing joints on divided forms : de en
  • US2277040A - Noise limiting circuit : en
  • US2277112A - Method of manufacturing integrated crossover assemblies for suspenders : en
  • DE719102C - Alarm clock : de en
  • FR870892A - Valve controlled whistle, particularly applicable to echo soundings : en fr
  • US2277373A - Grinding machine : en
  • GB544031A - Improvements in and connected with the construction of motor road vehicles : en
  • DK59600C - Procedure for Disguising Hollow Bodies as Barrels and Dishes with Art Resin. : da en
  • US2277247A - Apparatus for multiple room heating and air conditioning : en
  • FR870848A - Method and device for automatic adjustment of the start of injection in internal combustion engines : en fr
  • DE718874C - Spiral housing : de en
  • GB544085A - Improvements in or relating to straight-bar knitting machines : en
  • USD131744S - Design for a necklace : en
  • FR870882A - Acoustic device : en fr
  • GB544103A - Improvements in resistance-capacity coupled thermionic valve low frequency amplifiers : en
  • USD131694S - Design for a coin bank : en
  • CA403598A - Armoured cable : en fr
  • DE719066C - Method to reduce the harmfulness of interference in wireless character transmission : de en
  • US2277485A - Process for treating nuts : en
  • FR870762A - Alarm clock movement : en fr
  • CA403660A - Incandescent screen tube : en fr
  • US2277119A - Manually operated weaving apparatus : en
  • DE719073C - Device for supporting fire chamber walls, which are located in front of water pipes : de en
  • DE718919C - Envelope : de en
  • CA403698A - Therapeutic compound : en fr
  • DE719058C - Flexible take-over roller for the filter cake of rotary filters, which consists of individual rigid rings arranged next to one another, works together with a take-off device and is permanently covered with a cake take-off layer : de en
  • DE718966C - Collapsible boot jack : de en
  • US2277529A - Tailboard : en
  • US2277050A - Infuser : en
  • FR870785A - Azo dyes and process for preparing these dyes : en fr
  • CA403573A - Bicycle shock absorber : en fr
  • CA403591A - Carbureter : en fr
  • US2277211A - Method of producing low carbon chromium-containing iron alloys : en
  • DE719003C - Process for the production of lump-shaped bodies suitable for deacidification, alkalization or neutralization of drinking water, industrial water or boiler feed water, which do not disintegrate in water : de en
  • CA403666A - Motor fuel composition : en fr
  • DE718922C - Anti-theft device for bicycles acting on the steering device with removable bolt safety lock : de en
  • GB544112A - Improvements in the method of melting copper : en
  • FR870829A - Power card holders and the like : en fr
  • FR870707A - Gear pump : en fr
  • GB544000A - Improvements in or relating to venturi tubes or equivalent devices : en
  • US2277418A - Hydraulic valve operating system : en
  • US2277615A - Method of making structural beams : en
  • US2277453A - Bait casting plug : en
  • DE718995C - Device for one-sided tinning of metal strips, sheets or the like. : de en
  • FR870796A - Removable connection, in particular of two conical metal and rubber sleeves : en fr
  • US2277579A - Electronic counting device : en
  • CA403668A - Typewriter : en fr
  • CA403664A - Corn treatment packet : en fr
  • CA403682A - Heat insulating tape : en fr
  • DE718941C - Impact mill : de en
  • USD131739S - Design for a necklace : en
  • USD131749S - Design for a bracelet or similar article : en
  • FR870713A - Continuous carbonization furnace : en fr
  • FR870804A - Improvements made to dyname-electric machines : en fr
  • GB543971A - Improvements in or relating to dental units : en
  • FR870761A - Gyroscope suspended from the gimbal : en fr
  • US2277363A - Ornamenting machine : en
  • CA403608A - Modified polysulphone preparation : en fr
  • US2277560A - Control apparatus : en
  • US2277191A - Combined line and cutoff relay for telephone systems : en
  • US2277308A - Relay device : en
  • US2277051A - Towel dispenser : en
  • US2277189A - Heading forming machine : en
  • US2277352A - Oscillatory power control switch : en
  • USD131780S - Design for a beacelet : en
  • US2277152A - Preparation of polyamides : en
  • USD131695S - Design for a lace fabric : en
  • GB544107A - Improvements in electric lighting fittings : en
  • CA403627A - Zein precipitation : en fr
  • US2277158A - Insecticidal composition : en
  • US2277412A - Nonresealable bottle and closure means : en
  • AU110341A - An improved tyre for gas producers : en
  • US2277393A - Nonreactive pigment : en
  • US2277358A - Marine flagpole light and socket : en
  • US2277413A - Game apparatus : en
  • US2277638A - Ultra high frequency system : en
  • DE719087C - Hand tool for picking up potatoes or stones : de en
  • CA403667A - Typewriter : en fr
  • US2277341A - Combination box, picnic table, and canopy : en
  • US2277357A - Adjustable seat support : en
  • US2277085A - Solenoid operated feed stop mechanism : en
  • AU114873B2 - Improvements in or relating to foot and like game-balls : en
  • US2277279A - Slicing machine : en
  • US2277628A - Coloring matters of the phthalocyanine series : en
  • USD131700S - Material distributing device : en
  • US2277193A - Radiant energy directive device : en
  • DK59596C - Chassis for Bicycle Side Trolleys. : da en
  • US2277062A - Lead aluminate pigment and paint and method of making same : en
  • US2277434A - Airplane brake construction and the like : en
  • US2277620A - Skimming craft : en
  • US2277144A - Grinder : en
  • US2277047A - Lapping arm : en
  • US2277149A - Switching mechanism for multiple frequency band receivers : en
  • US2277547A - Gas conditioning apparatus : en
  • CA403566A - Engine fuel injection system : en fr
  • USD131788S - Design fob an earring : en
  • USD131755S - Design for a pin clip : en
  • US2277151A - Hot air circulating heater : en
  • US2277252A - Polymers from oil and extract of the genus coffea : en
  • US2277026A - Wrench : en
  • US2277038A - Anesthetic preparation : en
  • US2277608A - Window seat : en
  • US2277501A - Slush pump piston : en
  • DE718865C - Device for determining and regulating the specific gravity of liquid mixtures : de en
  • FR870860A - Elastic saddle for cycles and motorcycles : en fr
  • FR870808A - Improvements to television image sensor tubes : en fr
  • GB544117A - Improvements relating to yarn packages, such as cones, pirns and cops : en
  • DE718745C - Process for the preparation of dialkyldi (oxyphenyl) ethylene compounds : de en
  • DE718853C - Process for generating fuel gas from oils : de en
  • US2277513A - Electric apparatus for treating emulsions : en
  • USD131787S - Design for a brooch or similar article : en
  • FR870875A - heat saver usable in particular for cooking food : en fr
  • DE718886C - Process for the production of highly elastic corrugated tubes from profiled metal strip wound onto a mandrel serving as an inner electrode : de en
  • US2277192A - Multiplex signal-translating system : en
  • FR870734A - Varnishing process for cold-formed parts : en fr
  • US2277221A - Friction clutch : en
  • DE718863C - Process for applying polyvinyl chloride to metallic surfaces : de en
  • GB544030A - New or improved method of and means for winding yarns to facilitate processing of the same : en
  • US2277424A - Cable clamp : en
  • AU118096B2 - Modulation : en
  • DE718851C - Method for producing a stocking with a French foot on the flat weft knitting machine : de en
  • DE719096C - Speed display device for machine tools, in particular rotating benches : de en
  • FR870737A - Piston for engines and receiving machines : en fr
  • FR870873A - Battery indicator device : en fr
  • FR870887A - Box cover : en fr
  • DK59585C - Bearing system with remote controlled Bearing antenna and automatic Error display correction. : da en
  • FR870754A - Rontgen tubes with reel for focus : en fr
  • GB544006A - Improvements in sensitive photographic elements : en
  • GB544115A - Improvements relating to visible record card holders and sheets therefor : en
  • US2277335A - Brake : en
  • DE718931C - Switch arrangement for pneumatic tube systems : de en
  • FR870819A - Device for receiving ultra-high frequency waves : en fr
  • GB544004A - Protecting metal surfaces against corrosion : en
  • DE718877C - Lubricating device for the bolts of roller conveyor chains : de en
  • FR870788A - Improvements made to cases for keys or similar objects : en fr
  • USD131774S - Design for a brooch or similar article : en
  • DE718909C - Device for regulating systems for electrical resistance welding : de en
  • US2277046A - Oxidation of mercurous sulphate : en
  • US2277467A - Aiming or shooting device : en
  • US2277473A - Method of making welded tubes : en
  • GB544073A - Improvements in and relating to internal combustion engines using either liquid fuelor gas : en
  • US2277137A - Brake mechanism : en
  • GB543999A - Improvements relating to valve mechanisms : en
  • FR870787A - Cathode ray tube with complementary electron acceleration : en fr
  • DE718817C - Process for obtaining spinnable bast fibers in the form of a ribbon : de en
  • US2277329A - Educational device : en
  • US2277495A - Traffic control system : en
  • AU96641A - Improvements inthe manufacture, recovery and/or concentration of organic aliphatic acids : en
  • FR870784A - Sulfonic acids derived from aryl hydrazides of fatty acids and process for their preparation : en fr
  • US2277627A - Lead alloy for cable sheaths : en
  • US2277045A - Combined refrigerative cooling and pressure ventilation system : en
  • DE718878C - Device for switching the stop light and the direction indicator lighting on and off : de en
  • US2277552A - Air conditioner : en
  • FR870854A - System and construction elements of walls parma? As the construction of demountable houses for all uses by means of parts manufactured in very large series : en fr
  • DE718764C - Vulcanizable rubber compounds with elastic glycerine esters : de en
  • US2277294A - Self-contained flame arrester bank or unit : en
  • US2277293A - Separable electrical attachment plug : en
  • FR870828A - Device for internal combustion engines, compressors, etc ... : en fr
  • FR870900A - Process for obtaining organic compounds : en fr
  • FR870724A - Pressure resistant articulated chain group for valve winches, riser gates, spigot lock gates and other applications : en fr
  • US2277225A - Internal combustion engine : en
  • USD131771S - Design fok. a brooch ok similar article : en
  • USRE22055E - Synchronization system fob : en
  • US2277652A - Voltage regulator : en
  • US2277624A - Dental tray : en
  • DE716391C - The use of lignite for building structures in pit construction : de en
  • DE718861C - Device for preparing rope or material travel for vessel conveyor systems : de en
  • US2277296A - Hand telephone mounting : en
  • FR870850A - Grinding device for fuel injection pump nozzles : en fr
  • DE718993C - Dial Test indicator : de en
  • GB544110A - Improvements in permanent magnet structures : en
  • FR870752A - Agrarian adhesion device : en fr
  • US2277109A - Mechanical pencil and method for making the same : en
  • AU74541A - Improvements in padlocks : en
  • CA403631A - Microporous article manufacture : en fr
  • CA403672A - Air conditioning system : en fr
  • US2277316A - Door holder : en
  • US2277154A - Conveyer feeder : en
  • US2277489A - Radiator bending machine : en
  • US2277447A - Shield for blast furnaces : en
  • US2277538A - Swimming device : en
  • DE718963C - Loading device for the tower cleaners placed on a turntable : de en
  • FR870705A - Process for preparing and using catalysts : en fr
  • CA403649A - Detergent and disinfecting composition : en fr
  • US2277041A - Apparatus for crowning internal gears : en
  • DE719097C - Hydraulic press : de en
  • FR870821A - Polyamide-based sheet manufacturing process : en fr
  • US2277246A - Electron discharge device : en
  • US2277492A - Reversible skirt : en
  • US2277588A - Manufacture of phthalocyanine dyestuffs : en
  • US2277088A - Advertising straphanger : en
  • US2277570A - Power transmission : en
  • CA403722A - Wool dyestuff : en fr
  • US2277569A - Pumping system : en
  • US2277136A - Tape-controlling arrangement : en
  • US2277178A - Electrical insulation : en
  • US2277575A - Bus door operator : en
  • US2277324A - Curtain rod attaching link : en
  • USD131773S - Katz beooch or similar article : en
  • US2277524A - Double lock pipe wrench : en
  • US2277209A - Muller-agitator : en
  • USD131681S - Design for a bracelet : en
  • US2277215A - Relay contact device : en
  • US2277277A - Typewriter : en
  • US2277338A - Drawing die : en
  • US2277487A - Noncondensing turbine regulating system : en
  • USRE22050E - Method of forming basic linings of furnaces : en
  • DE719081C - Shock and vibration-absorbing element for hanging measuring instruments and the like like : de en
  • CA403706A - Liquid clarifying apparatus : en fr
  • FR870748A - Elastic suspension for motor vehicles with wheels suspended from oscillating half-axles modifying the wheel spacing : en fr
  • US2277446A - Broiler : en
  • US2277044A - Clasp : en
  • US2277403A - Collapsible cardboard basket : en
  • FR870859A - Universal correcting mixing device for internal combustion engines : en fr
  • GB543995A - An improved device for mixing materials : en
  • USD131723S - Design for a dress : en
  • CA403689A - Grid bias modulating system : en fr
  • US2277204A - Conduit bender : en
  • US2277230A - Azo dyestuffs : en
  • US2277539A - Toy : en
  • US2277599A - Manufacture of plastic articles : en
  • US2277606A - Railway truck : en
  • US2277607A - Broaching tool : en
  • USD131753S - Design for, a brooch or similar article : en
  • CA403620A - Polymeric material : en fr
  • US2277649A - Taxicab call system : en
  • USD131716S - Be sign for a mitt : en
  • CA403707A - Dispensing container : en fr
  • US2277625A - Aircraft instrument : en
  • US2277130A - Differential convertible gasolinediesel engine : en
  • US2277623A - Telephone system : en
  • US2277375A - Continuous casting of metal tubes : en
  • US2277167A - Bearing : en
  • USD131673S - Design for a textile fabric : en
  • DE718855C - Stethoscope associated with a clock : de en
  • AU88541A - Electric signalling system : en
  • DE718956C - Regulation of absorption refrigeration systems : de en
  • CA403658A - Power supply transformer : en fr
  • CA403705A - Electrical heating element : en fr
  • US2277582A - Safetypin : en
  • US2277213A - Thread grinding machine : en
  • FR870715A - Mandrel guide device for tube drawing machines : en fr
  • DE718924C - Device for producing a knotless hanger for sausage sleeves : de en
  • GB544022A - Improvements relating to linear-dimension gauges : en
  • FR870774A - Device for inserting cartridges into the barrel of automatic portable firearms with magazine containing the cartridges normally placed on the barrel : en fr
  • US2277466A - Railway signaling system : en
  • US2277251A - Packing washer : en
  • US2277138A - Air conditioning system : en
  • US2277484A - Turbine blade construction : en
  • USRE22052E - Light-sensitive device : en
  • AU72941A - Improvements relating to sheepshearing machine cutters : en
  • CA403717A - Vat dyestuff : en fr
  • US2277243A - Azo dyestuffs : en
  • USD131776S - Design for a brooch or similar article : en
  • CA403572A - Weed killer : en fr
  • US2277105A - Common wave transmitter system : en
  • US2277297A - Reaper attachment : en
  • US2277443A - Switch-stack assembly : en
  • CA403647A - Display carton : en fr
  • AU122841A - Improvements in trailer vehicles : en
  • US2277429A - Refrigerating system : en
  • US2277542A - Valve keeper inserting tool : en
  • US2277444A - Cleaning implement for venetian blinds and the like : en
  • US2277272A - Stowage of fuel tanks : en
  • US2277415A - Lawn edger : en
  • USD131770S - Similar article : en
  • DE718818C - Process for obtaining spinnable bast fibers in the form of a ribbon : de en
  • US2277653A - Electromagnetic relay : en
  • USD131688S - Design for a pin or similar article : en
  • DE719045C - Wooden single wing for propellers : de en
  • GB543980A - New or improved process and apparatus for moulding concrete slabs and the like : en
  • US2277407A - Closed vapor system for tanks containing volatile liquids : en
  • US2277534A - Steam pressure gauge protector : en
  • AU114884B2 - Improvements relating to sheepshearing machine cutters : en
  • US2277611A - Illuminated and ornamental device : en
  • USD131680S - Textile fabric or similar article : en
  • CA403654A - Refractory investment : en fr
  • AU164641A - Improved process and carroting solution for preparing fur andthe like for felting : en
  • USD131742S - Design for a bracelet : en
  • US2277383A - Dustpan : en
  • CA403648A - Dry stable salt mixture : en fr
  • US2277052A - Brake apparatus : en
  • US2277074A - Guide for shears : en
  • US2277425A - Switch : en
  • DE719054C - Device for beading pipes : de en
  • FR870751A - Rolling mill for tube reduction : en fr
  • FR870898A - Buoy allowing a submerged crew to signal their position, obtain fresh air and receive food : en fr
  • US2277428A - Diamond abrasive tool : en
  • DE718968C - Magnesium alloy and master alloy for their manufacture : de en
  • FR870745A - Fastening system : en fr
  • US2277472A - Scarfing torch : en
  • US2277546A - Straw agitator : en
  • CA403614A - Organic acid : en fr
  • US2277464A - Radio locating and following system : en
  • GB544056A - Improvements in or relating to step-by-step mechanism : en
  • GB544099A - Improvements in and relating to magnesia cements : en
  • DE719028C - Process for the preparation of stable solutions containing ascorbic acid : de en
  • US2277605A - Electrically heated bottle warmer : en
  • US2277384A - Electric cable connector means : en
  • AU114860B2 - Feedback amplifiers : en
  • DE718913C - Pressure regulator : de en
  • US2277551A - Process of producing fast dyeings and the dyed fiber obtained thereby : en
  • US2277556A - Pinboard used for supporting tubes and cones : en
  • USD131734S - Design for a brooch or similar article : en
  • DE718751C - Process for the production of azo dyes : de en
  • FR870731A - Tin can : en fr
  • US2277460A - Gas filled cable installation : en
  • CA403604A - Aliphatic organic acid : en fr
  • US2277115A - Process for producing pure benzene hydrocarbons : en
  • US2277319A - Strip processing apparatus : en
  • US2277037A - Fruit ripeness tester : en
  • CA403640A - Dyestuff intermediate product : en fr
  • CA403632A - Battery separator : en fr
  • AU114881B2 - Improvements in or relating to glass compositions : en
  • CA403596A - Railway car stainless steel truck : en fr
  • US2277146A - System of electric welding : en
  • US2277596A - Blotter and return post card : en
  • USD131760S - Design fori a pin clip : en
  • FR870816A - Improvements to fluorescent coatings and their manufacturing processes : en fr
  • FR870764A - Development-fixing process : en fr
  • US2277214A - Transmission : en
  • USD131692S - Design fob a bottle : en
  • US2277459A - Railway signaling system : en
  • US2277477A - Paper manufacture : en
  • USD131711S - Design for a dress : en
  • USD131713S - Design foe, a dsess : en
  • US2277519A - Can body forming apparatus : en
  • US2277179A - Tractor-trailer vehicle : en
  • US2277449A - Retractable anchorage device : en
  • US2277354A - Toolholder : en
  • US2277219A - Loading device : en
  • USD131705S - Design for a single cylinder engine : en
  • CA403699A - Film and foil impermeable to ultra-violet radiations : en fr
  • CA403574A - Article packing method : en fr
  • US2277427A - Multiple sequence recorder : en
  • US2277589A - Internal grinding and honing machine : en
  • CA403602A - Lamp stem making machine : en fr
  • USD131740S - Design for a bracelet : en
  • CA403638A - Aircraft refuelling apparatus : en fr
  • DE718904C - Operating equipment for electrical light tubes fed by a high voltage transformer : de en
  • GB544089A - Improvements in or relating to electrical insulating materials : en
  • DE718976C - Process for the production of oxide coatings on magnesium alloys : de en
  • FR870861A - Cart : en fr
  • CA403670A - Pear bobbing device : en fr
  • CA403683A - Flexible printing plate : en fr
  • DE719022C - Electromagnetic operated reciprocating compressor : de en
  • DE718943C - Movable weir for large openings : de en
  • FR870884A - Automatic device for folding and tucking or folding back edges of pieces of fabric, in particular for the manufacture of collars : en fr
  • US2277025A - Coffee maker : en
  • DE719068C - Process for manufacturing the permanent magnet system of small electrical machines : de en
  • US2277260A - Collet : en
  • US2277651A - Air eliminator for surface condensers : en
  • CA403564A - Decoy device : en fr
  • DE719104C - Rat barrier with a clamping device that is supported against the inner wall of the pipeline : de en
  • CA403626A - Grain sampler : en fr
  • AU292241A - Improvements in or relating to filters : en
  • GB544098A - Improvements in or relating to radio-receivers with band-spread tuning : en
  • US2277268A - Metal treatment process and apparatus : en
  • US2277600A - Telephone system : en
  • CA403653A - Cash register : en fr
  • US2277349A - Hydraulic apparatus for opening and closing doors and the like : en
  • USD131675S - Design for a textile fabric : en
  • DE718914C - Debarking drum : de en
  • DE718988C - Device for monitoring the anode voltage and the lens currents of magnetic electron microscopes : de en
  • DE719065C - Neutralized transmitter amplifier circuit for short waves : de en
  • US2277054A - Rail cropping machine : en
  • US2277381A - Heating system : en
  • USD131709S - Design for a dress : en
  • DE718969C - Process for the production of openings as well as hole sensitometers and light testers using openings produced in this way : de en
  • GB544041A - Improvements in or relating to two-way ploughs or the like agricultural implements : en
  • GB543966A - Improvements in joints for articles of furniture : en
  • FR870841A - Low freezing point liquids : en fr
  • CA403643A - Knitting method : en fr
  • DK59593C - Apparatus for thawing frozen beets. : da en
  • DE718948C - Method and device for separating mixtures of steam and liquid : de en
  • US2277602A - Method of making an endless wound clutch facing : en
  • GB544026A - Improvements in or relating to optical projection apparatus : en
  • DE718819C - Process for the production of artificial fibers, threads and ribbons : de en
  • US2277194A - Color lakes and method of producing same : en
  • GB544045A - Improvements in or relating to fluid pressure operated devices employing a resilientdiaphragm : en
  • CA403659A - Amplifying system distortion reducer : en fr
  • GB544037A - Improvements in space frameworks, chiefly for aircraft structures : en
  • CA403624A - Film magazine with sound drum : en fr
  • US2277281A - Ski : en
  • FR870741A - Centrifugal separator for separating heavy impurities from liquids : en fr
  • FR870767A - Gelatinization of resinate-based cleaning products : en fr
  • FR870855A - Fuel mixture, method and apparatus for fueling internal combustion engines : en fr
  • FR870722A - Removable device transforming an ordinary bicycle into a two-seater side-by-side vehicle : en fr
  • FR870864A - Wood gasifier using any gasoline and whatever the humidity : en fr
  • US2277102A - Tension control apparatus : en
  • GB544072A - Improvements in or relating to carburettors : en
  • DE718880C - Landmine clearer with clearing equipment trained as an all-terrain armored vehicle : de en
  • US2277083A - Composition : en
  • US2277229A - Connector for milking machines : en
  • DE718869C - Evaporative cooling system with vapor separator for internal combustion engines of aircraft : de en
  • FR870813A - Temperature-insensitive device to determine absolute variations in length : en fr
  • DE719018C - Control circuit for an electric motor driven paper machine : de en
  • GB544036A - Improved resin-forming compositions : en
  • GB544058A - An improved air-raid shelter or building : en
  • GB544095A - Improvements in or relating to radio-receiving apparatus comprising at least two adjustable members having a common driving device : en
  • DE718884C - Shear and tree machine : de en
  • DE719094C - Stepless transmission : de en
  • US2277081A - Tongs : en
  • DE718860C - Guide mast, especially for construction hoists : de en
  • FR870879A - Improvement in the manufacture of articles obtained by dipping a form such as hot water bottles, gloves, boots, pacifiers, etc. : en fr
  • US2277392A - Ladder lock : en
  • DE718905C - Closed electric arc lamp operated with mercury vapor with controlled electrodes : de en
  • DK59595C - Procedure for the manufacture of wheels with spokes for vehicles. : da en
  • GB544059A - Improvements in hydraulic weighing scales : en
  • GB544111A - Improvements relating to the assembly of cores for electric induction apparatus : en
  • US2277182A - Heel holder for heel-attaching machines : en
  • US2277391A - Bicycle driving mechanism : en
  • US2277364A - X-ray dental film packet : en
  • DE718897C - Facility for coin operated telephone : de en
  • CA403633A - Protein product : en fr
  • GB544015A - Improvements in and relating to electrical sockets for thermionic valves, plugs or the like : en
  • US2277267A - Resin-forming thioammeline ether : en
  • US2277544A - Process of producing fast dyeings : en
  • FR870807A - New shoe system : en fr
  • FR870856A - Advanced bicycle carrier : en fr
  • US2277584A - Brake control mechanism : en
  • CA403586A - Sewing machine : en fr
  • GB543989A - Improvement in brake mechanism : en
  • DE718991C - Process for the production of durable solutions of ascorbic acid salts of histidine : de en
  • FR870815A - Advanced lighter : en fr
  • US2277188A - Portable pipe straightener : en
  • US2277254A - Grease trap : en
  • USD131686S - Design for a military vehicle headlamp unit : en
  • USD131729S - Design foe a projection apparatus : en
  • GB544050A - Improvement in pencil and india rubber holders : en
  • CA403565A - Rail anchor : en fr
  • DE718862C - Drive cylinder of a conveyor carriage shifting device : de en
  • GB544082A - Improvements in, or relating to, salt baths for the heat treatment of metals : en
  • DK59594C - Procedure for Making Additive Color Films Using Narrow Film Attachments. : da en
  • US2277580A - Combination wash-over and cutting tool : en
  • US2277342A - Process for the preparation of tung oil : en
  • FR870835A - Contact converter with coupling reactors for high powers : en fr
  • DE719030C - Spill for towing vehicles of all kinds : de en
  • US2277417A - Grinding or abrading machine : en
  • FR870712A - Multi-part mold for die casting : en fr
  • FR870797A - Improvement in ink systems : en fr
  • GB544096A - Improvements in or relating to radio-receivers with remote switching control : en
  • DE718937C - Valve actuating device for short-term switching of electrical high-voltage switches with a flowing pressure medium to drive and to blow the contacts : de en
  • US2277291A - Dishwashing device : en
  • US2277541A - Railway traffic controlling apparatus : en
  • US2277508A - Agitator : en
  • DE718892C - Light signal : de en
  • US2277398A - Expansion roof for fluid storage tanks : en
  • US2277288A - Method of sealing containers : en
  • US2277493A - Draft producing and regulating means : en
  • US2277438A - Motion picture system : en
  • US2277486A - Method for producing cellulosic structures : en
  • US2277082A - Heat treating apparatus : en
  • USD131721S - Dress ensemble : en
  • DE718986C - Transformer adjustable under load by means of a voltage divider : de en
  • USD131689S - Casing for a furnace or the like : en
  • FR870809A - Enhancements to transit time generators : en fr
  • GB544080A - Improvements in and relating to units for electrical connection and means of securing them to supports : en
  • FR870800A - Device applicable to indicating devices, in particular on board instruments on aircraft : en fr
  • GB544109A - Sliding-clasp fastener : en
  • FR870881A - Improvements to gasifiers and gas cleaning devices : en fr
  • US2277202A - Process and auxiliary for improving textile fabrics : en
  • US2277595A - Furnace : en
  • GB544020A - Improvements in and relating to the governing of engines with fuel injection : en
  • DE718929C - Bag closure : de en
  • GB544081A - Improvements in the construction of cooking ovens : en
  • US2277323A - Drive mechanism and sign actuated thereby : en
  • GB543967A - Improvements in or relating to lighting fixtures : en
  • GB544105A - Improvements in drums for vapour-generating boilers : en
  • FR870717A - Process for heating materials and electric heating device for carrying out this process : en fr
  • FR870817A - Improvements in the manufacture of fluorescent materials : en fr
  • US2277205A - System for handling and processing steel : en
  • FR870831A - Treatment of crude acid fractions of tar : en fr
  • GB543964A - Improvements in and relating to dynamic balancing devices : en
  • US2277437A - Pressure grease gun filler : en
  • US2277070A - Method of separating liquids and gases : en
  • US2277270A - Gear pump : en
  • US2277512A - Catalyst : en
  • DE718957C - Telegraph transmitter : de en
  • DE719070C - Tube voltmeter in bridge circuit for measuring DC voltages : de en
  • DE719011C - High performance electrodynamic loudspeaker with cooled voice coil : de en
  • FR870773A - Containers with coated or veneered surface : en fr
  • FR870836A - Transmission circuits with rectifiers : en fr
  • GB544087A - Improvements in or relating to mountings for conveyor rollers : en
  • DE718893C - Signaling device for railways : de en
  • US2277127A - Improvement in saw gauging means : en
  • US2277386A - Masthead : en
  • USD131732S - Design for a brooch or similar article : en
  • DE718825C - Piston valve, especially for directly acting water level regulators : de en
  • GB543998A - Manufacture of alkylenimines : en
  • US2277395A - Diaphragm valve : en
  • FR870799A - Course indicator instrument : en fr
  • US2277283A - Door check : en
  • GB544093A - Improvements relating to the starting and stopping of free piston internal combustion operated air or gas compressors and gas generators : en
  • FR870701A - Rotating tube furnace comprising several burners distributed over its length and on its periphery : en fr
  • DE718876C - Safety circuit for electric windshield wipers : de en
  • DE718983C - Light signal lantern, especially for railways : de en
  • DE718873C - Process for the production of swellable, shaped nutrients : de en
  • GB544028A - Improved double acting two stroke internal combustion engine : en
  • US2277099A - Broken flange detector for rail cars : en
  • US2277096A - Fluid brake : en
  • US2277242A - Airplane : en
  • DE718987C - Electrical discharge vessel filled with mercury vapor, especially an inverter, the anodes of which receive high negative potentials in the blocking phase : de en
  • DE718949C - Centrifugal wet separator for removing dust from air and other gases : de en
  • FR870803A - Spherical sleeve for internal matting of pipe joints : en fr
  • FR870755A - Reed switch and more specifically for fuses : en fr
  • FR870790A - Mixer for gaseous fuels : en fr
  • US2277564A - Adapter : en
  • USD131757S - Brooch or similar article : en
  • US2277186A - Torsional vibration damper : en
  • DE718900C - Residual current switching device : de en
  • US2277240A - Awning hood : en
  • US2277231A - Lock mechanism : en
  • CA403693A - Asymmetrical conductor : en fr
  • US2277304A - Cleaner for potato digging blades : en
  • US2277502A - Line tracker : en
  • CA403625A - Electron discharge device : en fr
  • US2277369A - Front wheel drive mechanism : en
  • AU114868B2 - Improved process and carroting solution for preparing fur andthe like for felting : en
  • AU114882B2 - Improved means for determining shoe fittings : en
  • AU146841A - Improved construction of waterways and like passageways for radiator panels : en
  • CA403593A - Machine operation timing and sequence device : en fr
  • DE718974C - Process for the production of silver-containing metal coatings on conductive surfaces : de en
  • US2277089A - Car heater and defroster : en
  • USD131715S - Elmo dress ensemble : en
  • US2277097A - Carton : en
  • USD131758S - Design for a brooch ok similar : en
  • DE719091C - Elastic mounting of an internal combustion engine that executes torsional vibrations about an axis : de en
  • AU114879B2 - An improved tyre for gas producers : en
  • DE718854C - Process for removing carbon oxide from gases or gas mixtures containing organic sulfur compounds by means of steam catalysis : de en
  • US2277476A - Strip feeding apparatus : en
  • CA403684A - Reinforced vessel lining : en fr
  • US2277027A - Telemetric system : en
  • US2277416A - Charging device for storage bunkers : en
  • GB544060A - Concentrated aqueous solutions of the ammonium salts of disubstituted dithiophosphoric acids : en
  • CA403651A - Combustion apparatus : en fr
  • US2277212A - Joint for electrical conductors : en
  • US2277286A - Method and means for impeding the seepage or flow of water : en
  • CA403692A - Radio system : en fr
  • FR870810A - Device for heating, ventilating and cooling apartments or other spaces : en fr
  • CA403716A - Vat dyestuff : en fr
  • US2277311A - Sun water heater : en
  • US2277497A - Dry placer mining apparatus : en
  • USD131775S - Brooch or similar article : en
  • DE718946C - Multi-tray malt kiln : de en
  • FR870857A - Improvements to braeelet-watch attachment systems : en fr
  • CA403656A - Pigment paste grinding method : en fr
  • DK59599C - Ink sucker. : da en
  • US2277331A - Key and keyway construction : en
  • USD131699S - Funk air circulating propeller : en
  • USD131754S - Design for a brooch or similar article : en
  • US2277557A - Friction clutch : en
  • US2277307A - Piston ring : en
  • US2277517A - Transmission : en
  • US2277035A - Brake control means : en
  • US2277092A - Apparatus for spraying crown caps and the like : en
  • US2277183A - Snap hook : en
  • GB544048A - Improvements in charge forming devices for internal combustion engines : en
  • US2277394A - Wire tying device for hay balers : en
  • US2277622A - Planter : en
  • US2277249A - Production of single tops for stockings : en
  • US2277365A - Measuring apparatus : en
  • US2277655A - Large capacity safety valve : en
  • FR870730A - Tin can : en fr
  • GB544025A - Improvements in couplings for the tubular sections of cattle stalls or other structures wherein the tubes are used to convey water or other fluid : en
  • GB544106A - Improvements in or relating to glass and concrete structures : en
  • USD131733S - Design for a brooch or similar article : en
  • US2277098A - Electrical circuit : en
  • US2277376A - Battery post protector : en
  • DE719972C - Multi-toothed dog clutch on turning devices for internal combustion engines : de en
  • GB544119A - Improvements relating to portable watchman's tell-tales : en
  • USD131782S - Design for a brooch or similar article : en
  • US2277033A - Alkyl ester of 9-cyano-nonanoic acid : en
  • US2277532A - Christmas tree lighting outfit : en
  • US2277598A - Automobile heater control system : en
  • DE718955C - Link control for piston steam engines : de en
  • DE719013C - Externally controlled amplifier circuit for ultra-short waves : de en
  • DE718934C - Equipment for electrical signal boxes of railway signal systems : de en
  • DE718939C - Gas or steam turbine : de en
  • US2277423A - Electron discharge device : en
  • US2277474A - High frequency iron core : en
  • FR870801A - Measuring instrument for representing measured quantities on a surface graduation : en fr
  • GB544123A - Improvements in speed governors for engines : en
  • DE719037C - Consumption-independent coin payment device for consumption systems : de en
  • FR870876A - Substitute for toilet soap : en fr
  • FR870791A - Ultra-short wave generator : en fr
  • US2277471A - Gas turbine system : en
  • CA403661A - Cathode ray control apparatus : en fr
  • DE719010C - Television broadcasting facility : de en
  • DE718852C - Method and flat weft knitting machine for the production of socks, whereby a coherent length and foot piece are worked and the heel parts are subsequently knitted : de en
  • US2277078A - Athletic shoe : en
  • DE718927C - Method and device for increasing the bearing accuracy when searching for sound sources by directional hearers with parabolic sound receiving reflectors : de en
  • GB544051A - Improvements in the preparation of 3-acyloxy-bisnor-cholanic acids : en
  • GB544088A - Improved nut assembly for wall or anchorage bolts : en
  • GB544027A - Process for the manufacture of carboxylic acid esters of dl-tocols : en
  • DE719014C - Transceiver arrangement for wireless two-way communication with separate transmitter and receiver parts and a common antenna : de en
  • US2277161A - Electrical plug : en
  • DE718777C - Process for brazing hollow bodies in a protective gas furnace : de en
  • DE719042C - Head piece and table for presses : de en
  • DE719086C - Device for processing soil, in particular for plowing arable soil : de en
  • CA403618A - Polymeric material : en fr
  • DE718925C - Lock nut arrangement : de en
  • GB544076A - Improvements in apparatus for weighing and packing materials : en
  • US2277126A - Two-way signal transmission system : en
  • US2277318A - Bookbinding : en
  • DE718767C - Method for the detection of ammonia by means of copper salt solutions : de en
  • US2277462A - Heat transfer surface : en
  • CA403581A - Engine fuel production from wood liquefaction : en fr
  • US2277350A - Fishing lure : en
  • USD131746S - Design for a brooch or similar article : en
  • US2277483A - Door construction : en
  • DE719043C - Device for dewatering air foam in risers : de en
  • GB544009A - Improvements in a process and apparatus for coating paper : en
  • GB544042A - Improvements in and relating to reinforcement of lightweight building slabs and like materials : en
  • FR870802A - Process for the preparation of products which contain magnesium phosphide and products obtained by this process : en fr
  • US2277162A - Pressure regulator : en
  • USD131691S - Design for an electric switch : en
  • USD131704S - Design for a dress : en
  • DE718950C - Mounting of a shaft of a mixing screw arranged vertically in a mixing vessel : de en
  • US2277142A - Cabinet locking mechanism : en
  • US2277657A - Porcupine cleaning brush : en
  • US2277157A - Transmission : en
  • US2277274A - Bumper contact switch : en
  • US2277385A - Method of production of valve handles : en
  • US2277455A - Dump car for toy railroads : en
  • DE719047C - Connection of the wishbones or transverse springs with the steering wheel carrier : de en
  • US2277400A - Wrench : en
  • US2277451A - Apparatus for dispensing and lighting cigarettes : en
  • US2277566A - Air washer : en
  • GB544016A - Improvements in sewing machines : en
  • FR870822A - Hygiene instrument, with oscillating organ more particularly intended for oral hygiene : en fr
  • FR870874A - Apparatus for regulating mechanical parts, such as bearings, and the like : en fr
  • DE718935C - Circuit arrangement for telephone systems with memories : de en
  • DK59597C - Collapsible Handlebar for Bicycles. : da en
  • GB544007A - Improvements in control valves for fluid pressure mechanism : en
  • GB544044A - Improvements in variable inductances : en
  • GB543970A - Improvements in or relating to the catalytic reforming of hydrocarbon motor fuels : en
  • DE719025C - Process for increasing the light resistance of artificially formed structures made of cellulose esters or ethers : de en
  • CA403708A - Ore flotation process : en fr
  • CA403681A - Steering drive axle : en fr
  • US2277034A - Sadiron : en
  • US2277411A - Step-up switch : en
  • CA403587A - Bottle cap : en fr
  • US2277177A - Shield for electrical conductors : en
  • US2277571A - Method and apparatus for aplying protective metal : en
  • US2277244A - Gearshift mechanism : en
  • CA403694A - Radio speed and drift indicator for aircraft : en fr
  • US2277510A - Cementing head : en
  • USD131679S - Greenbaum baby s high chair : en
  • US2277305A - Recording and reproducing device : en
  • US2277461A - Railway signaling system : en
  • US2277574A - Winding : en
  • USRE22054E - Slush pump mston : en
  • DE718850C - Soot blower for recuperative heat exchangers : de en
  • US2277068A - Garment : en
  • US2277241A - Portable mirror device : en
  • US2277481A - Flash lamp : en
  • US2277515A - Thermostatic draft control : en
  • USD131724S - Zahn dress ensemble : en
  • US2277133A - Sewing machine guard : en
  • US2277238A - Collar holder : en
  • US2277111A - Low-bounce contact device and the like : en
  • US2277339A - Drawing die : en
  • US2277404A - Hide tanning apparatus : en
  • USD131738S - Design for a bracelet : en
  • FR870891A - Firearms and projectiles intended for use therein : en fr
  • FR870793A - Process for drying so2-laden gases in the contact process : en fr
  • US2277313A - Change-roll calender : en
  • US2277147A - Enlarger : en
  • US2277287A - Manufacture of coated materials and product : en
  • US2277639A - Filing tool : en
  • US2277525A - Sound amplifier : en
  • US2277184A - Automatic train pipe connector : en
  • USD131678S - Davis inside micrometer : en
  • US2277063A - Lead aluminate pigment and paint and method of making same : en
  • US2277232A - Egg box and the like : en
  • USD131768S - Design for a brooch ok similar : en
  • USRE22051E - Directive antenna system : en
  • CA403644A - Knitting machine yarn guide tube production : en fr
  • DE719048C - Cam drum gear for fire control computers : de en
  • GB544049A - Improvements in and relating to the preservation of wood and like organic substances by impregnation : en
  • DK59586C - Automatic Voltage regulator. : da en
  • FR870833A - Process for producing pasty masses containing high activity cellulose, peptized by means of plant colloids : en fr
  • GB543996A - Improvements in or relating to fuel tanks and other containers for liquids : en
  • CA403580A - Coking oven : en fr
  • US2277553A - Weedless bait : en
  • US2277091A - Apparatus for purification of liquids by electro-osmosis : en
  • DE718942C - Device to avoid vibrations in attack weirs : de en
  • FR870703A - Centrifugal compensated regulator insensitive to its position, for motors : en fr
  • DE719074C - Process for the production of artificially shaped structures from animal elastin and / or collagen fibers or substances containing such fibers : de en
  • FR870863A - Manufacturing process for beauty cream and shaving paste : en fr
  • GB544005A - Marking stamp : en
  • FR870847A - Device for dressing grinding wheels : en fr
  • DE711111C - Frame holder for shoes to be processed in glue presses : de en
  • GB543974A - Improvements relating to the manufacture of ropes : en
  • US2277284A - Electrical governor : en
  • US2277613A - Method of processing automobile propeller shafts : en
  • US2277173A - Airplane mechanism : en
  • US2277604A - Rubber tired wheel construction : en
  • FR870862A - Improvements to the handles for cycles or similar devices : en fr
  • FR870729A - Continuous rolling mill for metal wires and fine irons : en fr
  • DE707053C - Machine for the extraction of upholstery and tannin : de en
  • FR870852A - Improvements to cooking appliances : en fr
  • GB544113A - Improvements in or relating to garment display stands : en
  • DE718789C - Process for the production of coarse-grained sodium-aluminum double fluorides : de en
  • FR870758A - Improvements to machining processes, particularly for planing : en fr
  • US2277448A - Titling device : en
  • US2277629A - Coloring matters of the phthalocyanine series : en
  • CA403657A - Oscillator for multiple wave band receivers : en fr
  • US2277390A - Nasal inhaler : en
  • US2277573A - Multiple distributor valve : en
  • US2277171A - Apparatus for suspending selfleveling platforms : en
  • GB543976A - Improvements in or relating to spinning cots or the like and the manufacture thereof : en
  • US2277250A - Bookkeeping machine : en
  • US2277402A - Belt conveyer : en
  • USD131726S - Design fob a dress : en
  • USD131702S - Horn dress ensemble : en
  • US2277346A - Valve guide puller : en
  • US2277498A - Adding machine : en
  • US2277586A - Telephone system : en
  • USD131698S - Design fob a dress : en
  • USD131756S - Design for a bkooch ok similar article : en
  • US2277504A - Purification of vinylidene chloride polymers : en
  • US2277644A - Grinding and polishing machine : en
  • US2277248A - Grater : en
  • USD131751S - Design for a desk board : en
  • DE719026C - Process for the production of preparations containing the circulatory hormone kallikrein : de en
  • DE718872C - Sewing machine with a blower driven by the drive motor of the same : de en
  • CA403611A - Chemical composition : en fr
  • US2277180A - Alkylene diamine alkyl mercury compounds : en
  • US2277075A - Apparatus for the control of hydrocarbons : en
  • US2277237A - Control mechanism for liquid fuel burners : en
  • US2277285A - Measuring device : en
  • US2277378A - Power means for operating aircraft control surfaces : en
  • US2277278A - Indicator for frozen canned goods : en
  • US2277314A - Fluid mixing apparatus : en
  • CA403704A - Electrical heating element : en fr
  • CA403696A - Intermittent fluid flow controlling apparatus : en fr
  • USRE22053E - Magnesium primary cell : en
  • US2277207A - Dictating machine : en
  • US2277104A - Folder for bills, papers, or the like : en
  • USD131674S - Design for a textile fabric : en
  • USD131781S - Design fob a work suit : en
  • CA403584A - Rail aligning device : en fr
  • DE718923C - Device for filling liquids into canisters, transport vessels, etc. like : de en
  • DE719105C - Plant for the extraction and conveyance of overburden in opencast mines : de en
  • US2277123A - Closure for meat grinder : en
  • US2277555A - Operating mechanisms for electric switches : en
  • US2277201A - Combined manifold and draft diverter : en
  • US2277061A - Lead aluminate pigment and paint and method of making same : en
  • US2277656A - Large capacity safety valve : en
  • US2277196A - Packing gland construction : en
  • USD131759S - Design foe a pin clip : en
  • US2277619A - Circuit interrupter : en
  • FR870709A - Control of charge compressors, in particular for aircraft engines : en fr
  • CA403671A - Window and blind arrangement : en fr
  • DK59588C - Gas generator with downward combustion. : da en
  • US2277058A - Packaging : en
  • US2277223A - Electric induction furnace : en
  • US2277581A - Arrangement for controlling two or more electric vapor or gas discharge tubes : en
  • USD131719S - Flexible ear cushion for attachment to telephone receivers : en
  • US2277234A - Casting and trimming machine : en
  • US2277113A - Internal combustion engine : en
  • US2277410A - Flaring tool : en
  • US2277433A - Plastic diffuser : en
  • US2277440A - Glass-metal casing : en
  • US2277200A - Spindle : en
  • US2277549A - Door hinge : en
  • US2277176A - Hinge : en
  • US2277275A - Ram moving and locking means : en
  • CA403595A - Wheel sound-deadening means : en fr
  • DE718965C - Drawer runners : de en
  • FR870870A - Process for obtaining carbonization products free of tar : en fr
  • DE718890C - Process for the production of a fertilizer containing phosphate : de en
  • DE718933C - Laundry rammer : de en
  • US2277309A - Shuffle conveyer : en
  • FR870885A - Installation for the remote transmission of angular movements by alternating currents : en fr
  • US2277043A - Infant's diaper substitute : en
  • US2277334A - Centrifugal casting apparatus : en
  • CA403582A - Sewage treatment : en fr
  • GB544062A - Improvements in or relating to containers for storing liquids : en
  • USD131752S - Design fos. a brooch or similar article : en
  • FR870770A - Method for reinforcing centrally drilled discs subjected to lateral loads : en fr
  • FR870806A - Elastic suspension for rigid axles, especially for motor vehicles : en fr
  • US2277163A - Treatment of artificial textile materials : en
  • DE718981C - Process for rendering the hardeners in water harmless : de en
  • FR870824A - Switching device : en fr
  • US2277049A - Textile fabric and method of making same : en
  • USD131761S - Design for a brooch or similar article : en
  • US2277032A - Hair curler : en
  • DE718960C - Rotary switches, especially multiple rotary switches for high-frequency devices : de en
  • GB543969A - Improvements in operating apparatus for grabs : en
  • GB544046A - Improvements relating to engine-driven pumps : en
  • GB544033A - Improvements in or relating to half-tone screens for photomechanical printing processes : en
  • US2277172A - Separable fastener : en
  • US2277337A - Adjustable bath trap : en
  • US2277621A - Control system for forced draft stokers : en
  • DE719069C - Lubricating device for the armature shaft bearing of small magneto-electric machines with bell magnets, especially bicycle alternators : de en
  • FR870858A - Connection device between the engine block and the driving wheels of a vehicle : en fr
  • DE718972C - Multi-toothed dog clutch on turning devices for internal combustion engines : de en
  • US2277165A - Toilet venting device : en
  • US2277475A - Sewing machine : en
  • US2277426A - Apparatus for processing sheet material : en
  • USD131736S - Design for a pin clip : en
  • GB544071A - Improvements in or relating to composite surfacing materials : en
  • US2277135A - Compressor apparatus : en
  • US2277271A - Ventilator for dust creating operations : en
  • DE718881C - Process for the production of internally protected iron pipes : de en
  • FR870782A - Rotary mounting of a disc, a lever or the like on a plate in a clockwork movement : en fr
  • CA403629A - Blowpipe : en fr
  • US2277139A - Surgical instrument : en
  • GB544008A - Method and apparatus for finishing fabric garments : en
  • US2277114A - Registering mechanism : en
  • US2277374A - Form for deposited rubber articles : en
  • US2277505A - Carrying device for geophysical instruments : en
  • FR870895A - Coke oven : en fr
  • DE718964C - Process for opening up plant fiber material : de en
  • US2277645A - Coupling for electric switch handles : en
  • FR870846A - Contactor bearing for heating resistance bars usable in permanent hair waving : en fr
  • DE718859C - Pointed filter with ribs on the inner wall that run from top to bottom, especially for the production of brewing drinks : de en
  • DE718962C - Device for external heating of elongated furnace walls by means of heating trains : de en
  • FR870723A - Process for improving artificial fibers, films, films and the like : en fr
  • US2277609A - Method and means for treating yarn : en
  • DE719056C - Process for rendering fibrous materials water repellent : de en
  • US2277499A - Transformer : en
  • USD131748S - Design for an earring : en
  • USD131710S - Design for a louver lamp shade : en
  • CA403578A - Cooling device : en fr
  • US2277198A - Shifting mechanism for change gearing : en
  • US2277031A - Refrigerator : en
  • US2277368A - Deaerating apparatus : en
  • FR870865A - Simultaneous dyeing and embellishment or finishing process for textile products : en fr
  • GB544066A - Improvements in or relating to a method of and apparatus for surfacing coated strip metal : en
  • US2277053A - Apparatus for recovery of liquids from solids : en
  • DE718975C - Process for the electrolytic production of metallic or non-metallic protective layers on wires and strips made of any metal using conventional galvanic baths : de en
  • GB544120A - Improvements in or relating to colour formers for use in colour photography : en
  • DE718463C - Emergency call system : de en
  • FR870889A - Process for improving color fastness : en fr
  • US2277321A - Electric mechanical packer : en
  • DE718917C - Sieve bottom made of trapezoidal wires or rods : de en
  • FR870744A - Method and device for optical measurement of the thickness of transparent layers : en fr
  • DE719009C - Equipment for the operation of electrical rail feeders : de en
  • DE719077C - Device for the physical treatment of the respiratory tract : de en
  • CA403645A - Pole line hardware device : en fr
  • USD131717S - Design for a butt : en
  • US2277409A - Chemical composition : en
  • GB544104A - Improvements in and relating to clutch and brake control devices : en
  • US2277094A - Cabinet radiator and heating unit : en
  • USD131696S - Design for a dress ensemble : en
  • FR870718A - Seat unit convertible into a footrest for cleaning and lacing shoes : en fr
  • CA403579A - Automobile ignition switch : en fr
  • GB544013A - An improved diaphragm pump : en
  • FR870849A - Injection nozzle for internal combustion engines : en fr
  • GB544086A - Improvements in removal of silica and other impurities from water : en
  • DE718928C - Device for trimming flat bricks : de en
  • USD131743S - Design for a bracelet : en
  • AU84841A - Feedback amplifiers : en
  • FR870798A - Device for producing a circular motion with an oscillating mill : en fr
  • US2277567A - Chain link and method of making the same : en
  • US2277382A - Apparatus for quick freezing food products : en
  • CA403568A - Faucet : en fr
  • CA403575A - Spraying machine for weeds and brushes : en fr
  • CA403590A - Engine distributor in oil : en fr
  • USD131745S - Design for a bracelet : en
  • USD131772S - Katz brooch or similar article : en
  • DE718926C - Door closers, in particular floor door closers : de en
  • DE719033C - Device in spherical shape for astronomical positioning : de en
  • AU114862B2 - Production of artificail speech : en
  • CA403650A - Rug cleaning process : en fr
  • DE718889C - Process for the preparation of clusters of dihydropyridone : de en
  • US2277150A - Method of manufacturing vacuum tube devices : en
  • DE717816C - Conveyor belt support : de en
  • US2277306A - Deep well pump : en
  • CA403663A - Silver and mercury colloidal compound : en fr
  • DE718999C - Process for swimming and sink processing of hard coal or the like. : de en
  • FR870708A - Gear pump : en fr
  • FR870781A - Manufacturing process of non-deformable dielectric flat windings in plastic material : en fr
  • DE699044C - Furniture similar to a bank : de en
  • DE719002C - Process for the decomposition of alkali and alkaline earth amalgams : de en
  • FR870830A - Group of axle bodies suspended from the frame in a flexible manner : en fr
  • DE717891C - Device for the simultaneous separation of hop resin and for mixing the beer while hosing : de en
  • US2277469A - Receiving apparatus for train communication systems : en
  • FR870716A - Further development of gas turbine rotors : en fr
  • DE718940C - Vertical spindle valve with an oval housing outer wall : de en
  • GB543984A - Treatment of massecuite : en
  • DE718961C - Magnetic field tube arrangement for ultra-short waves : de en
  • DE719082C - Optical sound reproduction device : de en
  • DE719100C - Method and device for grinding surfaces on diamonds : de en
  • DE719092C - Lube oil pump : de en
  • GB544094A - Improvements in and relating to gyroscopic compasses : en
  • DE718870C - Process for the production of phosphate coatings on metals : de en
  • FR870746A - Episcopic projection lamp with a frame-shaped hollow glass body : en fr
  • US2277042A - Hat forming system : en
  • FR870867A - Coal Agglomeration Process : en fr
  • US2277435A - Folding table : en
  • FR870719A - Anti-slip and anti-slip claw device for vehicle wheels with rubber tires : en fr
  • DE719103C - Bucket wheel excavator : de en
  • US2277086A - Production of artificial materials : en
  • US2277132A - Silencer : en
  • FR870739A - Improvements in the manufacture of porcelain objects : en fr
  • CA403665A - Electric fuse : en fr
  • DE719024C - Process for the post-treatment of rayon made from regenerated cellulose in the form of a wound : de en
  • GB544040A - Improved method of and machine for curling the ends of sheet metal containers : en
  • US2277282A - Pretzel heater and display device : en
  • FR870871A - Further development in the manufacture of inner tube valves and their accessories : en fr
  • US2277185A - Torsional vibration damper : en
  • USD131714S - Design foe a dksess : en
  • USD131778S - Design for a bracelet : en
  • USD131676S - Design for a textile fabric : en
  • US2277593A - Resilient chain, such as pull chain : en
  • GB544029A - Improvements in or relating to the erection of shuttering for concrete walls : en
  • FR870811A - Rolling process of large t-section profile irons. : en fr
  • FR870826A - Improvements in the treatment of metal and other surfaces and in the attachment of rubber or similar substances to these surfaces : en fr
  • FR870840A - Improvements to gear change mechanisms : en fr
  • AU426640A - Improvements in or relating to blasting cartridges : en
  • FR870776A - Magnesium alloys : en fr
  • GB544097A - Improvements in or relating to wireless receivers comprising band-spread tuning means : en
  • FR870805A - Process to obtain during the drying of the fruits, the operation of turning and the operation of the tape (flattening) automatically without any exit from the apparatus and with an indefinite repetition of these operations : en fr
  • US2277208A - Dictating machine : en
  • US2277431A - Magnetic inspection apparatus : en
  • USD131720S - Design for a dress : en
  • US2277072A - Oxygen tent : en
  • US2277523A - Protective arrangement for electric systems : en
  • US2277414A - Electron lens : en
  • USD131763S - Brooch or similar article : en
  • US2277153A - Injector for diesel engines : en
  • US2277470A - Automatic toll ticketing system : en
  • US2277071A - Slope level : en
  • US2277522A - Phase-sequence apparatus : en
  • DE719064C - Arrangement for television channels : de en
  • FR870878A - Device indicating the level or position of mobile units : en fr
  • US2277093A - Treatment of artificial textile materials : en
  • GB544003A - Improvements in and relating to joint-making packing devices : en
  • FR870783A - Manufacturing process of compressed glass feet, the current inlets being sealed during compression : en fr
  • US2277166A - Vacuum cleaner fan : en
  • US2277531A - Manufacture of short soled footwear : en
  • US2277028A - Grinding machine table positioning mechanism : en
  • US2277303A - Brake beam safety support : en
  • USD131684S - Box for paper tissues or similar accessories : en
  • GB544074A - Improvements in shaft seals : en
  • US2277065A - Prism-monocular : en
  • AU114886B2 - Method of and means for reducing the effects of multipath phenomenon in radio communication systems : en
  • US2277145A - Reinforcing cable : en
  • USD131764S - Design for a brooch or similar article : en
  • FR870869A - Fixed or mobile kiln and process for carbonizing wood or other woody material : en fr
  • US2277610A - Friction clutch : en
  • US2277261A - System for transmission and reception of frequency modulated signals : en
  • US2277298A - Electrode holder : en
  • US2277340A - Heater : en
  • US2277456A - Aircraft wing construction : en
  • CA403691A - Piezoelectric controlled oscillator : en fr
  • CA403570A - Curtain fixture : en fr
  • US2277253A - Shoe display stand : en
  • US2277371A - Sunglass case : en
  • USD131718S - Design foe a playsuit : en
  • CA403613A - Polymeric material : en fr
  • CA403637A - Tire : en fr
  • FR870843A - Machine for collecting and handling hay, straw, etc. with tractor drive : en fr
  • DE718460C - Method and device for the production of a hollow anode from carbon or graphite for electrical discharge vessels : de en
  • DE718985C - Device for voltage regulation in alternating current circuits : de en
  • FR870720A - Junction terminal for electrical conductors : en fr
  • FR870732A - Tin can : en fr
  • US2277148A - Electrode for electron discharge devices : en
  • US2277366A - Necktie sewing machine : en
  • US2277516A - Method and apparatus for frequency changing : en
  • US2277239A - Battery filling well : en
  • US2277255A - Guide blade brake : en
  • US2277405A - Register method and apparatus : en
  • US2277227A - Garment band : en
  • US2277587A - Device for removing hands and small parts from watches and other mechanisms : en
  • GB544047A - An improved method of, and machine for, welding : en
  • AU73741A - Method of and means for reducing the effects of multipath phenomenon in radio communication systems : en
  • US2277066A - Tin or sheet metal container : en
  • USD131707S - Design fob a dress : en
  • DE719049C - Signal system, especially for fire alarm purposes : de en
  • GB544017A - Improvements in fluid blast electric circuit breakers : en
  • US2277320A - Evaporative condenser : en
  • US2277422A - Electric circuit breaker : en
  • US2277452A - Ruler : en
  • US2277245A - Piezoelectric crystal apparatus : en
  • US2277436A - Vent or chimney construction : en
  • US2277642A - Clothespin package : en
  • US2277370A - Bisectional lower denture : en
  • AU73641A - Improvements in cathode ray tubes' and circuits therefor : en
  • CA403712A - Chromable dyestuff : en fr
  • US2277458A - Differential driving mechanism : en
  • CA403711A - Railway remote control system : en fr
  • CA403612A - N-substituted alkylol amine preparation : en fr
  • DE718915C - Process for the production of resinous condensation products : de en
  • CA403615A - Quaternary ammonium salt : en fr
  • CA403675A - Air conditioning system : en fr
  • CA403662A - Radio frame : en fr
  • AU114864B2 - Electric signalling system : en
  • CA403686A - Electron discharge device : en fr
  • DE719038C - Device for starting multi-cylinder gas engines : de en
  • CA403720A - Colouring matter from azo dyestuffs : en fr
  • USD131750S - Design for a bracelet or similar article : en
  • US2277122A - Eye testing apparatus : en
  • US2277168A - Door holder : en
  • USD131683S - Knife or other article op flatware : en
  • US2277562A - Shower attachment : en
  • CA403610A - Polymeric material : en fr
  • FR870721A - Method for producing photographic images : en fr
  • US2277572A - Adjustable brush tension device for electric motors, generators, etc. : en
  • GB544039A - Improvements in or relating to remote-control wireless receivers : en
  • GB543963A - Balls for games and method for manufacturing same : en
  • CA403605A - Ester production : en fr
  • DE718947C - Device for quick replacement of pilgrim thorns : de en
  • GB544065A - Improvements in or relating to hand barrows : en
  • CA403702A - Electric heater : en fr
  • CA403607A - Carboxylic acid : en fr
  • CA403619A - Nitration of organic compounds : en fr
  • CA403639A - Clamping device : en fr
  • CA403652A - Fabric decoration : en fr
  • US2277399A - Pipe coupling : en
  • US2277269A - Filling and venting plug for storage battery cells : en
  • DE719005C - Process for regulating the output of thermal power plants in which a gaseous working medium, preferably air, continuously describes a closed circuit under excess pressure, and a system for carrying out this process : de en
  • DK59589C - Apparatus For Use In Inserting A Medicinal Preparation Into An Internal Cavity In The Body. : da en
  • US2277226A - Engine : en
  • US2277479A - Acetoacetic ester-formaldehyde resins : en
  • US2277554A - Overload releasing mechanism : en
  • CA403563A - Harvesting machine : en fr
  • CA403628A - Duplicating machine : en fr
  • CA403673A - Passenger car air conditioning system : en fr
  • DE718856C - Device for the production of doubled workpieces : de en
  • GB543983A - Improvements in or relating to failure indicating systems for voltage conversion apparatus : en
  • DK59598C - Impeller propeller. : da en
  • CA403713A - Synthetic resin : en fr
  • US2277496A - Slipper pad for crankless mechanisms : en
  • USD131765S - Design for a bkooch or similar article : en
  • CA403567A - Valve : en fr
  • CA403676A - Ventilating apparatus : en fr
  • DE718959C - Round conductor : de en
  • AU114872B2 - An improved internal combustion engine : en
  • DE719099C - Rubber tires with spring coils : de en
  • CA403687A - Electro-responsive light valve : en fr
  • FR870757A - Improvements to devices such as bonnet fasteners, in particular for air navigation devices : en fr
  • US2277315A - Recovery of carboxylic acids : en
  • US2277396A - Automatic self-loading conveyer : en
  • US2277643A - Speed controlling mechanism : en
  • CA403599A - Lamp sealing machine : en fr
  • US2277577A - Brake shoe anchoring means : en
  • CA403636A - Moistureproof material : en fr
  • US2277441A - Telephone system : en
  • US2277367A - Reverse gearing : en
  • DE718954C - Disc exposed to lateral overpressure, in particular radially loaded blade or labyrinth carrier, for centrifugal machines, preferably steam or gas turbines : de en
  • DE718908C - Device for electrical spot and spot weld welding with controllable discharge paths that are connected to the circuit and serve as switches : de en
  • GB543985A - Improvements in or relating to rotors for turbines : en
  • US2277509A - Gravity meter : en
  • AU85141A - Production of artificail speech : en
  • GB543993A - Improvements in or relating to photographic materials : en
  • GB544010A - Improvements in or relating to machines adapted for folding margins of leather or like material : en
  • CA403679A - Motion picture resetting apparatus : en fr
  • DE719084C - Process for determining the need for potash of a soil by chemical means and extraction solution that can be used for this : de en
  • US2277181A - Apparatus for pumping deep driven wells : en
  • US2277635A - Bearing mounting : en
  • US2277312A - Foot trip : en
  • US2277568A - Combined heater and vacuum cleaner for motor vehicles : en
  • US2277273A - Friction clutch : en
  • US2277344A - Phonograph pickup : en
  • FR870839A - Method and device for limiting the pressure of the gas delivered by an adjustable pressure regulator : en fr
  • GB544023A - Improvements relating to silencers for exhaust and other gaseous currents : en
  • GB544118A - Improvements relating to magnet structures : en
  • GB543540A - Improvements in and relating to rotary spirit duplicating machines : en
  • USD131785S - Design fob a brooch or similar article : en
  • US2277326A - Electrical connector : en
  • AU114865B2 - Improvements inthe manufacture, recovery and/or concentration of organic aliphatic acids : en
  • US2277299A - Drafting instrument : en
  • US2277432A - Speed changing mechanism : en
  • US2277506A - Reversible automatic lock slider for slide fasteners : en
  • FR870832A - Reinforced cement collector channel : en fr
  • CA403690A - Wave translating system : en fr
  • US2277030A - Method of manufacturing refrigerating systems : en
  • USD131786S - Brooch or similar article : en
  • GB543973A - Duplicating machine : en
  • DE719032C - Brass pipes for surface condensers, evaporators, coolers, preheaters, etc. like : de en
  • US2277389A - Cement troweling apparatus : en
  • GB544002A - Improvements relating to fabrics : en
  • US2277387A - Method for separating vapors and liquids : en
  • DE718280C - Process for the production of a reinforced concrete ceiling or a reinforced concrete beam with prestressed reinforcement and shaped bodies for the process : de en
  • GB544067A - Improvements in internal combustion rotary engines : en
  • US2277445A - Tank gauge : en
  • US2277545A - Body drag : en
  • US2277101A - Cathode ray scanning device : en
  • FR870780A - Enclosure terminal for electrical lines : en fr
  • US2277439A - Sadiron : en
  • DE718910C - Drill file or rasp with hand cord for expanding and cleaning tooth root canals before filling : de en
  • FR870896A - Process for collecting higher oxygenated organic compounds obtained during the catalytic hydrogenation of carbon oxides : en fr
  • GB544116A - Improvements relating to electrically insulating varnished fabric : en
  • CA403677A - Anesthetic administering apparatus : en fr
  • US2277648A - Lamp fixture and socket therefor : en
  • USD131690S - Design for a fountain toothbrush : en
  • GB544077A - Improvements relating to trolleys or the like, particularly for transporting bombs to aircraft : en
  • US2277055A - Treatment of oil cake : en
  • DE718887C - Brush or broom with an independent trimming of bristles formed from individual fine, bundled strips of wood : de en
  • DE718989C - Process for obtaining low-boiling hydrocarbon oils from high-boiling oils by cleavage : de en
  • GB543982A - Improvements in or relating to multiple-strand chains : en
  • FR870899A - Process for obtaining dilated food substances, and products resulting from the implementation of this process : en fr
  • GB544079A - Improvements in or relating to the construction of silos : en
  • US2277217A - Building construction : en
  • DE717742C - Transmitting device in a method for determining the altitude of aircraft : de en
  • DE719078C - Handheld vacuum cleaner : de en
  • FR870838A - Method and device for limiting the upward force of a submerged float containing a liquid mass communicating with the outside : en fr
  • US2277190A - Wheel-balancing machine : en
  • USD131784S - Brooch or similar article : en
  • FR870872A - Advanced ammeter : en fr
  • DE719083C - Lighting device with a rearview mirror : de en
  • US2277064A - Flux : en
  • US2277511A - Jogging machine : en
  • GB544069A - Improvements in hand atomizers or sprayers : en
  • AU114880B2 - Improved construction of waterways and like passageways for radiator panels : en
  • AU323141A - Improved means for determining shoe fittings : en
  • US2277228A - Telephone system : en
  • US2277583A - Baby carriage : en
  • US2277618A - Enclosure : en
  • FR870820A - Method for sensitizing photographic silver halide emulsions : en fr
  • DK59582C - Procedure for Manufacturing Fertilizers. : da en
  • CA403577A - Truck car : en fr
  • US2277076A - Heel-seat fitting machine : en
  • US2277067A - Manufacture of metal products : en
  • US2277591A - Corn harvester : en
  • SE104081C1 - Methods for preparing solutions of superpolyamides : en sv
  • DE718882C - From a single blank bent, U-shaped bent retaining clips for inserting plate-shaped bodies having corner connections, especially for building games : de en
  • CA403697A - Bottle : en fr
  • US2277116A - Envelope sealing closure and method of making it : en
  • US2277355A - Chemical reaction furnace : en
  • USD131737S - Brooch or similar article : en
  • US2277630A - Apparatus for burning fuel : en
  • US2277175A - Means for equalizing the air flow from or into the skin layer : en
  • US2277210A - Peripheral pump : en
  • FR870733A - Tin can : en fr
  • DE718952C - Process for the preparation of nucleosides : de en
  • DE719072C - Permanent fire grate with cover slide : de en
  • DE719089C - Drying rack for agricultural products : de en
  • US2277087A - Washing machine agitator : en
  • US2277262A - Azo dyestuffs : en
  • USD131722S - Dress ensemble : en
  • CA403623A - Sound camera : en fr
  • DE719006C - Removable protective cover, especially for rail tank cars : de en
  • FR870736A - Process for preparing solutions and plastic masses based on polyamides : en fr
  • CA403621A - Fishing tackle : en fr
  • FR870728A - Process for arming and marrying cast iron : en fr
  • FR870853A - Axial lowering transmission suspension device, allowing rotation of the body along a longitudinal axis : en fr
  • FR870738A - Electrode support member : en fr
  • AU114883B2 - Improvements in or relating to blasting cartridges : en
  • CA403678A - Anesthetic administering apparatus : en fr